[ 33.918958][ T279] 8021q: 802.1Q VLAN Support v1.8 [ 35.527202][ T291] ip (291) used greatest stack depth: 24224 bytes left [ 38.376046][ T312] br0: port 1(veth1) entered blocking state [ 38.376691][ T312] br0: port 1(veth1) entered disabled state [ 38.377093][ T312] veth1: entered allmulticast mode [ 38.379237][ T312] veth1: entered promiscuous mode [ 38.527023][ T50] br0: port 1(veth1) entered blocking state [ 38.527452][ T50] br0: port 1(veth1) entered forwarding state [ 38.861216][ T315] br0: port 2(veth2) entered blocking state [ 38.861486][ T315] br0: port 2(veth2) entered disabled state [ 38.861755][ T315] veth2: entered allmulticast mode [ 38.864603][ T315] veth2: entered promiscuous mode [ 39.028915][ T49] br0: port 2(veth2) entered blocking state [ 39.029317][ T49] br0: port 2(veth2) entered forwarding state [ 138.739950][ T2082] br0: port 2(veth2) entered disabled state [ 138.890757][ T2083] veth2: left allmulticast mode [ 138.891959][ T2083] veth2: left promiscuous mode [ 138.892378][ T2083] br0: port 2(veth2) entered disabled state [ 139.040773][ T2084] br0: port 1(veth1) entered disabled state [ 139.206284][ T2085] veth1: left allmulticast mode [ 139.206507][ T2085] veth1: left promiscuous mode [ 139.206805][ T2085] br0: port 1(veth1) entered disabled state [ 140.275579][ T2095] br0: port 1(veth1) entered blocking state [ 140.275875][ T2095] br0: port 1(veth1) entered disabled state [ 140.276141][ T2095] veth1: entered allmulticast mode [ 140.278111][ T2095] veth1: entered promiscuous mode [ 140.423843][ T50] br0: port 1(veth1) entered blocking state [ 140.424153][ T50] br0: port 1(veth1) entered forwarding state [ 141.050104][ T2100] br0: port 2(veth2) entered blocking state [ 141.050373][ T2100] br0: port 2(veth2) entered disabled state [ 141.050635][ T2100] veth2: entered allmulticast mode [ 141.052465][ T2100] veth2: entered promiscuous mode [ 141.213868][ T51] br0: port 2(veth2) entered blocking state [ 141.214144][ T51] br0: port 2(veth2) entered forwarding state [ 239.049997][ T3875] br0: port 2(veth2) entered disabled state [ 239.208864][ T3876] veth2: left allmulticast mode [ 239.209086][ T3876] veth2: left promiscuous mode [ 239.209347][ T3876] br0: port 2(veth2) entered disabled state [ 239.353197][ T3877] br0: port 1(veth1) entered disabled state [ 239.491056][ T3878] veth1: left allmulticast mode [ 239.491276][ T3878] veth1: left promiscuous mode [ 239.491587][ T3878] br0: port 1(veth1) entered disabled state [ 240.604321][ T3888] br0: port 1(veth1) entered blocking state [ 240.604572][ T3888] br0: port 1(veth1) entered disabled state [ 240.604846][ T3888] veth1: entered allmulticast mode [ 240.607451][ T3888] veth1: entered promiscuous mode [ 240.756881][ T50] br0: port 1(veth1) entered blocking state [ 240.757148][ T50] br0: port 1(veth1) entered forwarding state [ 241.349348][ T3893] br0: port 2(veth2) entered blocking state [ 241.349598][ T3893] br0: port 2(veth2) entered disabled state [ 241.349861][ T3893] veth2: entered allmulticast mode [ 241.351616][ T3893] veth2: entered promiscuous mode [ 241.496886][ T50] br0: port 2(veth2) entered blocking state [ 241.497144][ T50] br0: port 2(veth2) entered forwarding state [ 447.046162][ T7679] br0: port 2(veth2) entered disabled state [ 447.192367][ T7680] veth2: left allmulticast mode [ 447.192589][ T7680] veth2: left promiscuous mode [ 447.192901][ T7680] br0: port 2(veth2) entered disabled state [ 447.346969][ T7681] br0: port 1(veth1) entered disabled state [ 447.487819][ T7682] veth1: left allmulticast mode [ 447.488057][ T7682] veth1: left promiscuous mode [ 447.488338][ T7682] br0: port 1(veth1) entered disabled state [ 460.550916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 460.551422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 460.551422][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.551422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.551422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.551422][ T7704] ip6_route_add+0x1c/0x140 [ 460.551422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 460.551422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 460.551422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.551422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.551422][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.551422][ T7704] netlink_unicast+0x449/0x710 [ 460.551422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.551422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.551422][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.551422][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.551422][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.551422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.551422][ T7704] [ 460.554119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 460.554119][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.554119][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.554119][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.554119][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 460.554119][ T7704] ipv6_add_addr+0x411/0x2000 [ 460.554119][ T7704] inet6_addr_add+0x30e/0xa40 [ 460.554119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.554119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.554119][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.554119][ T7704] netlink_unicast+0x449/0x710 [ 460.554119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.554119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.554119][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.554119][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.554119][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.554119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.554119][ T7704] [ 460.556461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 460.556461][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.556461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.556461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.556461][ T7704] ip6_route_add+0x1c/0x140 [ 460.556461][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 460.556461][ T7704] addrconf_add_dev+0xe2/0x170 [ 460.556461][ T7704] inet6_addr_add+0x12f/0xa40 [ 460.556461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.556461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.556461][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.556461][ T7704] netlink_unicast+0x449/0x710 [ 460.556461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.556461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.556461][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.556461][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.556461][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.556461][ T7704] [ 460.558779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 460.558779][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 460.558779][ T7704] ipv6_find_idev+0x102/0x170 [ 460.558779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.558779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.558779][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.558779][ T7704] netlink_unicast+0x449/0x710 [ 460.558779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.558779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.558779][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.558779][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.558779][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.558779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.558779][ T7704] [ 460.560602][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 460.560602][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 460.560602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 460.560602][ T7704] ipv6_find_idev+0x102/0x170 [ 460.560602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.560602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.560602][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.560602][ T7704] netlink_unicast+0x449/0x710 [ 460.560602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.560602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.560602][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.560602][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.560602][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.560602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.560602][ T7704] [ 470.806930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 470.807364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 470.807364][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.807364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.807364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.807364][ T7704] ip6_route_add+0x1c/0x140 [ 470.807364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 470.807364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 470.807364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.807364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.807364][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.807364][ T7704] netlink_unicast+0x449/0x710 [ 470.807364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.807364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.807364][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.807364][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.807364][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.807364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.807364][ T7704] [ 470.809666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 470.809666][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.809666][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.809666][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.809666][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 470.809666][ T7704] ipv6_add_addr+0x411/0x2000 [ 470.809666][ T7704] inet6_addr_add+0x30e/0xa40 [ 470.809666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.809666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.809666][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.809666][ T7704] netlink_unicast+0x449/0x710 [ 470.809666][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.809666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.809666][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.809666][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.809666][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.809666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.809666][ T7704] [ 470.811907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 470.811907][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.811907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.811907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.811907][ T7704] ip6_route_add+0x1c/0x140 [ 470.811907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 470.811907][ T7704] addrconf_add_dev+0xe2/0x170 [ 470.811907][ T7704] inet6_addr_add+0x12f/0xa40 [ 470.811907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.811907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.811907][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.811907][ T7704] netlink_unicast+0x449/0x710 [ 470.811907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.811907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.811907][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.811907][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.811907][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.811907][ T7704] [ 470.814120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 470.814120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 470.814120][ T7704] ipv6_find_idev+0x102/0x170 [ 470.814120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.814120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.814120][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.814120][ T7704] netlink_unicast+0x449/0x710 [ 470.814120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.814120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.814120][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.814120][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.814120][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.814120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.814120][ T7704] [ 470.815857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 470.815857][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 470.815857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 470.815857][ T7704] ipv6_find_idev+0x102/0x170 [ 470.815857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.815857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.815857][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.815857][ T7704] netlink_unicast+0x449/0x710 [ 470.815857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.815857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.815857][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.815857][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.815857][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.815857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.815857][ T7704] [ 480.886924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 480.887358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 480.887358][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.887358][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.887358][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.887358][ T7704] ip6_route_add+0x1c/0x140 [ 480.887358][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 480.887358][ T7704] inet6_addr_add+0x4f8/0xa40 [ 480.887358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.887358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.887358][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.887358][ T7704] netlink_unicast+0x449/0x710 [ 480.887358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.887358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.887358][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.887358][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.887358][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.887358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.887358][ T7704] [ 480.889643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 480.889643][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.889643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.889643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.889643][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 480.889643][ T7704] ipv6_add_addr+0x411/0x2000 [ 480.889643][ T7704] inet6_addr_add+0x30e/0xa40 [ 480.889643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.889643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.889643][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.889643][ T7704] netlink_unicast+0x449/0x710 [ 480.889643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.889643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.889643][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.889643][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.889643][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.889643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.889643][ T7704] [ 480.891887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 480.891887][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.891887][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.891887][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.891887][ T7704] ip6_route_add+0x1c/0x140 [ 480.891887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 480.891887][ T7704] addrconf_add_dev+0xe2/0x170 [ 480.891887][ T7704] inet6_addr_add+0x12f/0xa40 [ 480.891887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.891887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.891887][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.891887][ T7704] netlink_unicast+0x449/0x710 [ 480.891887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.891887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.891887][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.891887][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.891887][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.891887][ T7704] [ 480.894109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 480.894109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 480.894109][ T7704] ipv6_find_idev+0x102/0x170 [ 480.894109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.894109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.894109][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.894109][ T7704] netlink_unicast+0x449/0x710 [ 480.894109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.894109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.894109][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.894109][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.894109][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.894109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.894109][ T7704] [ 480.895819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 480.895819][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 480.895819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 480.895819][ T7704] ipv6_find_idev+0x102/0x170 [ 480.895819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.895819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.895819][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.895819][ T7704] netlink_unicast+0x449/0x710 [ 480.895819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.895819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.895819][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.895819][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.895819][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.895819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.895819][ T7704] [ 491.094941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 491.095471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 491.095471][ T7704] netdev_get_by_index+0x5e/0x80 [ 491.095471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 491.095471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 491.095471][ T7704] ip6_route_add+0x1c/0x140 [ 491.095471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 491.095471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 491.095471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 491.095471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.095471][ T7704] netlink_rcv_skb+0x130/0x360 [ 491.095471][ T7704] netlink_unicast+0x449/0x710 [ 491.095471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 491.095471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 491.095471][ T7704] ___sys_sendmsg+0xee/0x170 [ 491.095471][ T7704] __sys_sendmsg+0xcd/0x170 [ 491.095471][ T7704] do_syscall_64+0xc6/0x1e0 [ 491.095471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.095471][ T7704] [ 491.097761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 491.097761][ T7704] netdev_get_by_index+0x5e/0x80 [ 491.097761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 491.097761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 491.097761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 491.097761][ T7704] ipv6_add_addr+0x411/0x2000 [ 491.097761][ T7704] inet6_addr_add+0x30e/0xa40 [ 491.097761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 491.097761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.097761][ T7704] netlink_rcv_skb+0x130/0x360 [ 491.097761][ T7704] netlink_unicast+0x449/0x710 [ 491.097761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 491.097761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 491.097761][ T7704] ___sys_sendmsg+0xee/0x170 [ 491.097761][ T7704] __sys_sendmsg+0xcd/0x170 [ 491.097761][ T7704] do_syscall_64+0xc6/0x1e0 [ 491.097761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.097761][ T7704] [ 491.100129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 491.100129][ T7704] netdev_get_by_index+0x5e/0x80 [ 491.100129][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 491.100129][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 491.100129][ T7704] ip6_route_add+0x1c/0x140 [ 491.100129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 491.100129][ T7704] addrconf_add_dev+0xe2/0x170 [ 491.100129][ T7704] inet6_addr_add+0x12f/0xa40 [ 491.100129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 491.100129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.100129][ T7704] netlink_rcv_skb+0x130/0x360 [ 491.100129][ T7704] netlink_unicast+0x449/0x710 [ 491.100129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 491.100129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 491.100129][ T7704] ___sys_sendmsg+0xee/0x170 [ 491.100129][ T7704] __sys_sendmsg+0xcd/0x170 [ 491.100129][ T7704] do_syscall_64+0xc6/0x1e0 [ 491.100129][ T7704] [ 491.102473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 491.102473][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 491.102473][ T7704] ipv6_find_idev+0x102/0x170 [ 491.102473][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.102473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.102473][ T7704] netlink_rcv_skb+0x130/0x360 [ 491.102473][ T7704] netlink_unicast+0x449/0x710 [ 491.102473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 491.102473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 491.102473][ T7704] ___sys_sendmsg+0xee/0x170 [ 491.102473][ T7704] __sys_sendmsg+0xcd/0x170 [ 491.102473][ T7704] do_syscall_64+0xc6/0x1e0 [ 491.102473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.102473][ T7704] [ 491.104203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 491.104203][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 491.104203][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 491.104203][ T7704] ipv6_find_idev+0x102/0x170 [ 491.104203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.104203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.104203][ T7704] netlink_rcv_skb+0x130/0x360 [ 491.104203][ T7704] netlink_unicast+0x449/0x710 [ 491.104203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 491.104203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 491.104203][ T7704] ___sys_sendmsg+0xee/0x170 [ 491.104203][ T7704] __sys_sendmsg+0xcd/0x170 [ 491.104203][ T7704] do_syscall_64+0xc6/0x1e0 [ 491.104203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.104203][ T7704] [ 501.278926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 501.279374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 501.279374][ T7704] netdev_get_by_index+0x5e/0x80 [ 501.279374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 501.279374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 501.279374][ T7704] ip6_route_add+0x1c/0x140 [ 501.279374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 501.279374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 501.279374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 501.279374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.279374][ T7704] netlink_rcv_skb+0x130/0x360 [ 501.279374][ T7704] netlink_unicast+0x449/0x710 [ 501.279374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 501.279374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 501.279374][ T7704] ___sys_sendmsg+0xee/0x170 [ 501.279374][ T7704] __sys_sendmsg+0xcd/0x170 [ 501.279374][ T7704] do_syscall_64+0xc6/0x1e0 [ 501.279374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.279374][ T7704] [ 501.281706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 501.281706][ T7704] netdev_get_by_index+0x5e/0x80 [ 501.281706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 501.281706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 501.281706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 501.281706][ T7704] ipv6_add_addr+0x411/0x2000 [ 501.281706][ T7704] inet6_addr_add+0x30e/0xa40 [ 501.281706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 501.281706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.281706][ T7704] netlink_rcv_skb+0x130/0x360 [ 501.281706][ T7704] netlink_unicast+0x449/0x710 [ 501.281706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 501.281706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 501.281706][ T7704] ___sys_sendmsg+0xee/0x170 [ 501.281706][ T7704] __sys_sendmsg+0xcd/0x170 [ 501.281706][ T7704] do_syscall_64+0xc6/0x1e0 [ 501.281706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.281706][ T7704] [ 501.283976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 501.283976][ T7704] netdev_get_by_index+0x5e/0x80 [ 501.283976][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 501.283976][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 501.283976][ T7704] ip6_route_add+0x1c/0x140 [ 501.283976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 501.283976][ T7704] addrconf_add_dev+0xe2/0x170 [ 501.283976][ T7704] inet6_addr_add+0x12f/0xa40 [ 501.283976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 501.283976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.283976][ T7704] netlink_rcv_skb+0x130/0x360 [ 501.283976][ T7704] netlink_unicast+0x449/0x710 [ 501.283976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 501.283976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 501.283976][ T7704] ___sys_sendmsg+0xee/0x170 [ 501.283976][ T7704] __sys_sendmsg+0xcd/0x170 [ 501.283976][ T7704] do_syscall_64+0xc6/0x1e0 [ 501.283976][ T7704] [ 501.286207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 501.286207][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 501.286207][ T7704] ipv6_find_idev+0x102/0x170 [ 501.286207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.286207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.286207][ T7704] netlink_rcv_skb+0x130/0x360 [ 501.286207][ T7704] netlink_unicast+0x449/0x710 [ 501.286207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 501.286207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 501.286207][ T7704] ___sys_sendmsg+0xee/0x170 [ 501.286207][ T7704] __sys_sendmsg+0xcd/0x170 [ 501.286207][ T7704] do_syscall_64+0xc6/0x1e0 [ 501.286207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.286207][ T7704] [ 501.287981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 501.287981][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 501.287981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 501.287981][ T7704] ipv6_find_idev+0x102/0x170 [ 501.287981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.287981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.287981][ T7704] netlink_rcv_skb+0x130/0x360 [ 501.287981][ T7704] netlink_unicast+0x449/0x710 [ 501.287981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 501.287981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 501.287981][ T7704] ___sys_sendmsg+0xee/0x170 [ 501.287981][ T7704] __sys_sendmsg+0xcd/0x170 [ 501.287981][ T7704] do_syscall_64+0xc6/0x1e0 [ 501.287981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.287981][ T7704] [ 511.326926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 511.327364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 511.327364][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.327364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.327364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.327364][ T7704] ip6_route_add+0x1c/0x140 [ 511.327364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 511.327364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 511.327364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.327364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.327364][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.327364][ T7704] netlink_unicast+0x449/0x710 [ 511.327364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.327364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.327364][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.327364][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.327364][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.327364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.327364][ T7704] [ 511.329658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 511.329658][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.329658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.329658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.329658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 511.329658][ T7704] ipv6_add_addr+0x411/0x2000 [ 511.329658][ T7704] inet6_addr_add+0x30e/0xa40 [ 511.329658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.329658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.329658][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.329658][ T7704] netlink_unicast+0x449/0x710 [ 511.329658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.329658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.329658][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.329658][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.329658][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.329658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.329658][ T7704] [ 511.331970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 511.331970][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.331970][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.331970][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.331970][ T7704] ip6_route_add+0x1c/0x140 [ 511.331970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 511.331970][ T7704] addrconf_add_dev+0xe2/0x170 [ 511.331970][ T7704] inet6_addr_add+0x12f/0xa40 [ 511.331970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.331970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.331970][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.331970][ T7704] netlink_unicast+0x449/0x710 [ 511.331970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.331970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.331970][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.331970][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.331970][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.331970][ T7704] [ 511.334226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 511.334226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 511.334226][ T7704] ipv6_find_idev+0x102/0x170 [ 511.334226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.334226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.334226][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.334226][ T7704] netlink_unicast+0x449/0x710 [ 511.334226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.334226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.334226][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.334226][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.334226][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.334226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.334226][ T7704] [ 511.336047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 511.336047][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 511.336047][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 511.336047][ T7704] ipv6_find_idev+0x102/0x170 [ 511.336047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.336047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.336047][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.336047][ T7704] netlink_unicast+0x449/0x710 [ 511.336047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.336047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.336047][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.336047][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.336047][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.336047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.336047][ T7704] [ 521.494903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 521.495337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 521.495337][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.495337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.495337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.495337][ T7704] ip6_route_add+0x1c/0x140 [ 521.495337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 521.495337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 521.495337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.495337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.495337][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.495337][ T7704] netlink_unicast+0x449/0x710 [ 521.495337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.495337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.495337][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.495337][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.495337][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.495337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.495337][ T7704] [ 521.497682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 521.497682][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.497682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.497682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.497682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 521.497682][ T7704] ipv6_add_addr+0x411/0x2000 [ 521.497682][ T7704] inet6_addr_add+0x30e/0xa40 [ 521.497682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.497682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.497682][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.497682][ T7704] netlink_unicast+0x449/0x710 [ 521.497682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.497682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.497682][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.497682][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.497682][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.497682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.497682][ T7704] [ 521.499965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 521.499965][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.499965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.499965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.499965][ T7704] ip6_route_add+0x1c/0x140 [ 521.499965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 521.499965][ T7704] addrconf_add_dev+0xe2/0x170 [ 521.499965][ T7704] inet6_addr_add+0x12f/0xa40 [ 521.499965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.499965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.499965][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.499965][ T7704] netlink_unicast+0x449/0x710 [ 521.499965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.499965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.499965][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.499965][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.499965][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.499965][ T7704] [ 521.502186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 521.502186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 521.502186][ T7704] ipv6_find_idev+0x102/0x170 [ 521.502186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.502186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.502186][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.502186][ T7704] netlink_unicast+0x449/0x710 [ 521.502186][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.502186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.502186][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.502186][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.502186][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.502186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.502186][ T7704] [ 521.503928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 521.503928][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 521.503928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 521.503928][ T7704] ipv6_find_idev+0x102/0x170 [ 521.503928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.503928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.503928][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.503928][ T7704] netlink_unicast+0x449/0x710 [ 521.503928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.503928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.503928][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.503928][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.503928][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.503928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.503928][ T7704] [ 531.710909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 531.711364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 531.711364][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.711364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.711364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.711364][ T7704] ip6_route_add+0x1c/0x140 [ 531.711364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 531.711364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 531.711364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.711364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.711364][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.711364][ T7704] netlink_unicast+0x449/0x710 [ 531.711364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.711364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.711364][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.711364][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.711364][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.711364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.711364][ T7704] [ 531.713628][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 531.713628][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.713628][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.713628][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.713628][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 531.713628][ T7704] ipv6_add_addr+0x411/0x2000 [ 531.713628][ T7704] inet6_addr_add+0x30e/0xa40 [ 531.713628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.713628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.713628][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.713628][ T7704] netlink_unicast+0x449/0x710 [ 531.713628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.713628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.713628][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.713628][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.713628][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.713628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.713628][ T7704] [ 531.715866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 531.715866][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.715866][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.715866][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.715866][ T7704] ip6_route_add+0x1c/0x140 [ 531.715866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 531.715866][ T7704] addrconf_add_dev+0xe2/0x170 [ 531.715866][ T7704] inet6_addr_add+0x12f/0xa40 [ 531.715866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.715866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.715866][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.715866][ T7704] netlink_unicast+0x449/0x710 [ 531.715866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.715866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.715866][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.715866][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.715866][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.715866][ T7704] [ 531.718116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 531.718116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 531.718116][ T7704] ipv6_find_idev+0x102/0x170 [ 531.718116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.718116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.718116][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.718116][ T7704] netlink_unicast+0x449/0x710 [ 531.718116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.718116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.718116][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.718116][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.718116][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.718116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.718116][ T7704] [ 531.719893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 531.719893][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 531.719893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 531.719893][ T7704] ipv6_find_idev+0x102/0x170 [ 531.719893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.719893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.719893][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.719893][ T7704] netlink_unicast+0x449/0x710 [ 531.719893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.719893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.719893][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.719893][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.719893][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.719893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.719893][ T7704] [ 541.974958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 541.975407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 541.975407][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.975407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.975407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.975407][ T7704] ip6_route_add+0x1c/0x140 [ 541.975407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 541.975407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 541.975407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.975407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.975407][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.975407][ T7704] netlink_unicast+0x449/0x710 [ 541.975407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.975407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.975407][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.975407][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.975407][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.975407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.975407][ T7704] [ 541.977698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 541.977698][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.977698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.977698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.977698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 541.977698][ T7704] ipv6_add_addr+0x411/0x2000 [ 541.977698][ T7704] inet6_addr_add+0x30e/0xa40 [ 541.977698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.977698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.977698][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.977698][ T7704] netlink_unicast+0x449/0x710 [ 541.977698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.977698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.977698][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.977698][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.977698][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.977698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.977698][ T7704] [ 541.979946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 541.979946][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.979946][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.979946][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.979946][ T7704] ip6_route_add+0x1c/0x140 [ 541.979946][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 541.979946][ T7704] addrconf_add_dev+0xe2/0x170 [ 541.979946][ T7704] inet6_addr_add+0x12f/0xa40 [ 541.979946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.979946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.979946][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.979946][ T7704] netlink_unicast+0x449/0x710 [ 541.979946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.979946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.979946][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.979946][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.979946][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.979946][ T7704] [ 541.982184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 541.982184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 541.982184][ T7704] ipv6_find_idev+0x102/0x170 [ 541.982184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.982184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.982184][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.982184][ T7704] netlink_unicast+0x449/0x710 [ 541.982184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.982184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.982184][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.982184][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.982184][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.982184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.982184][ T7704] [ 541.984253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 541.984253][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 541.984253][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 541.984253][ T7704] ipv6_find_idev+0x102/0x170 [ 541.984253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.984253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.984253][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.984253][ T7704] netlink_unicast+0x449/0x710 [ 541.984253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.984253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.984253][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.984253][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.984253][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.984253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.984253][ T7704] [ 552.214928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 552.215356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 552.215356][ T7704] netdev_get_by_index+0x5e/0x80 [ 552.215356][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 552.215356][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 552.215356][ T7704] ip6_route_add+0x1c/0x140 [ 552.215356][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 552.215356][ T7704] inet6_addr_add+0x4f8/0xa40 [ 552.215356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 552.215356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.215356][ T7704] netlink_rcv_skb+0x130/0x360 [ 552.215356][ T7704] netlink_unicast+0x449/0x710 [ 552.215356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 552.215356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 552.215356][ T7704] ___sys_sendmsg+0xee/0x170 [ 552.215356][ T7704] __sys_sendmsg+0xcd/0x170 [ 552.215356][ T7704] do_syscall_64+0xc6/0x1e0 [ 552.215356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.215356][ T7704] [ 552.217745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 552.217745][ T7704] netdev_get_by_index+0x5e/0x80 [ 552.217745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 552.217745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 552.217745][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 552.217745][ T7704] ipv6_add_addr+0x411/0x2000 [ 552.217745][ T7704] inet6_addr_add+0x30e/0xa40 [ 552.217745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 552.217745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.217745][ T7704] netlink_rcv_skb+0x130/0x360 [ 552.217745][ T7704] netlink_unicast+0x449/0x710 [ 552.217745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 552.217745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 552.217745][ T7704] ___sys_sendmsg+0xee/0x170 [ 552.217745][ T7704] __sys_sendmsg+0xcd/0x170 [ 552.217745][ T7704] do_syscall_64+0xc6/0x1e0 [ 552.217745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.217745][ T7704] [ 552.220139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 552.220139][ T7704] netdev_get_by_index+0x5e/0x80 [ 552.220139][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 552.220139][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 552.220139][ T7704] ip6_route_add+0x1c/0x140 [ 552.220139][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 552.220139][ T7704] addrconf_add_dev+0xe2/0x170 [ 552.220139][ T7704] inet6_addr_add+0x12f/0xa40 [ 552.220139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 552.220139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.220139][ T7704] netlink_rcv_skb+0x130/0x360 [ 552.220139][ T7704] netlink_unicast+0x449/0x710 [ 552.220139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 552.220139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 552.220139][ T7704] ___sys_sendmsg+0xee/0x170 [ 552.220139][ T7704] __sys_sendmsg+0xcd/0x170 [ 552.220139][ T7704] do_syscall_64+0xc6/0x1e0 [ 552.220139][ T7704] [ 552.222571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 552.222571][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 552.222571][ T7704] ipv6_find_idev+0x102/0x170 [ 552.222571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.222571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.222571][ T7704] netlink_rcv_skb+0x130/0x360 [ 552.222571][ T7704] netlink_unicast+0x449/0x710 [ 552.222571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 552.222571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 552.222571][ T7704] ___sys_sendmsg+0xee/0x170 [ 552.222571][ T7704] __sys_sendmsg+0xcd/0x170 [ 552.222571][ T7704] do_syscall_64+0xc6/0x1e0 [ 552.222571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.222571][ T7704] [ 552.224452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 552.224452][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 552.224452][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 552.224452][ T7704] ipv6_find_idev+0x102/0x170 [ 552.224452][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.224452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.224452][ T7704] netlink_rcv_skb+0x130/0x360 [ 552.224452][ T7704] netlink_unicast+0x449/0x710 [ 552.224452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 552.224452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 552.224452][ T7704] ___sys_sendmsg+0xee/0x170 [ 552.224452][ T7704] __sys_sendmsg+0xcd/0x170 [ 552.224452][ T7704] do_syscall_64+0xc6/0x1e0 [ 552.224452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.224452][ T7704] [ 562.838966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 562.839397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 562.839397][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.839397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.839397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.839397][ T7704] ip6_route_add+0x1c/0x140 [ 562.839397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 562.839397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 562.839397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.839397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.839397][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.839397][ T7704] netlink_unicast+0x449/0x710 [ 562.839397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.839397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.839397][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.839397][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.839397][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.839397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.839397][ T7704] [ 562.841799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 562.841799][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.841799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.841799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.841799][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 562.841799][ T7704] ipv6_add_addr+0x411/0x2000 [ 562.841799][ T7704] inet6_addr_add+0x30e/0xa40 [ 562.841799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.841799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.841799][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.841799][ T7704] netlink_unicast+0x449/0x710 [ 562.841799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.841799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.841799][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.841799][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.841799][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.841799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.841799][ T7704] [ 562.844142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 562.844142][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.844142][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.844142][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.844142][ T7704] ip6_route_add+0x1c/0x140 [ 562.844142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 562.844142][ T7704] addrconf_add_dev+0xe2/0x170 [ 562.844142][ T7704] inet6_addr_add+0x12f/0xa40 [ 562.844142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.844142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.844142][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.844142][ T7704] netlink_unicast+0x449/0x710 [ 562.844142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.844142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.844142][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.844142][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.844142][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.844142][ T7704] [ 562.846490][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 562.846490][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 562.846490][ T7704] ipv6_find_idev+0x102/0x170 [ 562.846490][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.846490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.846490][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.846490][ T7704] netlink_unicast+0x449/0x710 [ 562.846490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.846490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.846490][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.846490][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.846490][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.846490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.846490][ T7704] [ 562.848445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 562.848445][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 562.848445][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 562.848445][ T7704] ipv6_find_idev+0x102/0x170 [ 562.848445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.848445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.848445][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.848445][ T7704] netlink_unicast+0x449/0x710 [ 562.848445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.848445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.848445][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.848445][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.848445][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.848445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.848445][ T7704] [ 573.102960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 573.103430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 573.103430][ T7704] netdev_get_by_index+0x5e/0x80 [ 573.103430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 573.103430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 573.103430][ T7704] ip6_route_add+0x1c/0x140 [ 573.103430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 573.103430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 573.103430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 573.103430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.103430][ T7704] netlink_rcv_skb+0x130/0x360 [ 573.103430][ T7704] netlink_unicast+0x449/0x710 [ 573.103430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 573.103430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 573.103430][ T7704] ___sys_sendmsg+0xee/0x170 [ 573.103430][ T7704] __sys_sendmsg+0xcd/0x170 [ 573.103430][ T7704] do_syscall_64+0xc6/0x1e0 [ 573.103430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.103430][ T7704] [ 573.105769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 573.105769][ T7704] netdev_get_by_index+0x5e/0x80 [ 573.105769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 573.105769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 573.105769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 573.105769][ T7704] ipv6_add_addr+0x411/0x2000 [ 573.105769][ T7704] inet6_addr_add+0x30e/0xa40 [ 573.105769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 573.105769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.105769][ T7704] netlink_rcv_skb+0x130/0x360 [ 573.105769][ T7704] netlink_unicast+0x449/0x710 [ 573.105769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 573.105769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 573.105769][ T7704] ___sys_sendmsg+0xee/0x170 [ 573.105769][ T7704] __sys_sendmsg+0xcd/0x170 [ 573.105769][ T7704] do_syscall_64+0xc6/0x1e0 [ 573.105769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.105769][ T7704] [ 573.108094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 573.108094][ T7704] netdev_get_by_index+0x5e/0x80 [ 573.108094][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 573.108094][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 573.108094][ T7704] ip6_route_add+0x1c/0x140 [ 573.108094][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 573.108094][ T7704] addrconf_add_dev+0xe2/0x170 [ 573.108094][ T7704] inet6_addr_add+0x12f/0xa40 [ 573.108094][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 573.108094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.108094][ T7704] netlink_rcv_skb+0x130/0x360 [ 573.108094][ T7704] netlink_unicast+0x449/0x710 [ 573.108094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 573.108094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 573.108094][ T7704] ___sys_sendmsg+0xee/0x170 [ 573.108094][ T7704] __sys_sendmsg+0xcd/0x170 [ 573.108094][ T7704] do_syscall_64+0xc6/0x1e0 [ 573.108094][ T7704] [ 573.110449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 573.110449][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 573.110449][ T7704] ipv6_find_idev+0x102/0x170 [ 573.110449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.110449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.110449][ T7704] netlink_rcv_skb+0x130/0x360 [ 573.110449][ T7704] netlink_unicast+0x449/0x710 [ 573.110449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 573.110449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 573.110449][ T7704] ___sys_sendmsg+0xee/0x170 [ 573.110449][ T7704] __sys_sendmsg+0xcd/0x170 [ 573.110449][ T7704] do_syscall_64+0xc6/0x1e0 [ 573.110449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.110449][ T7704] [ 573.112410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 573.112410][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 573.112410][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 573.112410][ T7704] ipv6_find_idev+0x102/0x170 [ 573.112410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.112410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.112410][ T7704] netlink_rcv_skb+0x130/0x360 [ 573.112410][ T7704] netlink_unicast+0x449/0x710 [ 573.112410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 573.112410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 573.112410][ T7704] ___sys_sendmsg+0xee/0x170 [ 573.112410][ T7704] __sys_sendmsg+0xcd/0x170 [ 573.112410][ T7704] do_syscall_64+0xc6/0x1e0 [ 573.112410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.112410][ T7704] [ 583.366951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 583.367576][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 583.367576][ T7704] netdev_get_by_index+0x5e/0x80 [ 583.367576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 583.367576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 583.367576][ T7704] ip6_route_add+0x1c/0x140 [ 583.367576][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 583.367576][ T7704] inet6_addr_add+0x4f8/0xa40 [ 583.367576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 583.367576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.367576][ T7704] netlink_rcv_skb+0x130/0x360 [ 583.367576][ T7704] netlink_unicast+0x449/0x710 [ 583.367576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 583.367576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 583.367576][ T7704] ___sys_sendmsg+0xee/0x170 [ 583.367576][ T7704] __sys_sendmsg+0xcd/0x170 [ 583.367576][ T7704] do_syscall_64+0xc6/0x1e0 [ 583.367576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.367576][ T7704] [ 583.371204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 583.371204][ T7704] netdev_get_by_index+0x5e/0x80 [ 583.371204][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 583.371204][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 583.371204][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 583.371204][ T7704] ipv6_add_addr+0x411/0x2000 [ 583.371204][ T7704] inet6_addr_add+0x30e/0xa40 [ 583.371204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 583.371204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.371204][ T7704] netlink_rcv_skb+0x130/0x360 [ 583.371204][ T7704] netlink_unicast+0x449/0x710 [ 583.371204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 583.371204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 583.371204][ T7704] ___sys_sendmsg+0xee/0x170 [ 583.371204][ T7704] __sys_sendmsg+0xcd/0x170 [ 583.371204][ T7704] do_syscall_64+0xc6/0x1e0 [ 583.371204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.371204][ T7704] [ 583.374810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 583.374810][ T7704] netdev_get_by_index+0x5e/0x80 [ 583.374810][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 583.374810][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 583.374810][ T7704] ip6_route_add+0x1c/0x140 [ 583.374810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 583.374810][ T7704] addrconf_add_dev+0xe2/0x170 [ 583.374810][ T7704] inet6_addr_add+0x12f/0xa40 [ 583.374810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 583.374810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.374810][ T7704] netlink_rcv_skb+0x130/0x360 [ 583.374810][ T7704] netlink_unicast+0x449/0x710 [ 583.374810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 583.374810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 583.374810][ T7704] ___sys_sendmsg+0xee/0x170 [ 583.374810][ T7704] __sys_sendmsg+0xcd/0x170 [ 583.374810][ T7704] do_syscall_64+0xc6/0x1e0 [ 583.374810][ T7704] [ 583.378387][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 583.378387][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 583.378387][ T7704] ipv6_find_idev+0x102/0x170 [ 583.378387][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.378387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.378387][ T7704] netlink_rcv_skb+0x130/0x360 [ 583.378387][ T7704] netlink_unicast+0x449/0x710 [ 583.378387][ T7704] netlink_sendmsg+0x723/0xbe0 [ 583.378387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 583.378387][ T7704] ___sys_sendmsg+0xee/0x170 [ 583.378387][ T7704] __sys_sendmsg+0xcd/0x170 [ 583.378387][ T7704] do_syscall_64+0xc6/0x1e0 [ 583.378387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.378387][ T7704] [ 583.381191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 583.381191][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 583.381191][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 583.381191][ T7704] ipv6_find_idev+0x102/0x170 [ 583.381191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.381191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.381191][ T7704] netlink_rcv_skb+0x130/0x360 [ 583.381191][ T7704] netlink_unicast+0x449/0x710 [ 583.381191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 583.381191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 583.381191][ T7704] ___sys_sendmsg+0xee/0x170 [ 583.381191][ T7704] __sys_sendmsg+0xcd/0x170 [ 583.381191][ T7704] do_syscall_64+0xc6/0x1e0 [ 583.381191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.381191][ T7704] [ 593.630915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 593.631374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 593.631374][ T7704] netdev_get_by_index+0x5e/0x80 [ 593.631374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 593.631374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 593.631374][ T7704] ip6_route_add+0x1c/0x140 [ 593.631374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 593.631374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 593.631374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 593.631374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.631374][ T7704] netlink_rcv_skb+0x130/0x360 [ 593.631374][ T7704] netlink_unicast+0x449/0x710 [ 593.631374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 593.631374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 593.631374][ T7704] ___sys_sendmsg+0xee/0x170 [ 593.631374][ T7704] __sys_sendmsg+0xcd/0x170 [ 593.631374][ T7704] do_syscall_64+0xc6/0x1e0 [ 593.631374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.631374][ T7704] [ 593.633815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 593.633815][ T7704] netdev_get_by_index+0x5e/0x80 [ 593.633815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 593.633815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 593.633815][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 593.633815][ T7704] ipv6_add_addr+0x411/0x2000 [ 593.633815][ T7704] inet6_addr_add+0x30e/0xa40 [ 593.633815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 593.633815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.633815][ T7704] netlink_rcv_skb+0x130/0x360 [ 593.633815][ T7704] netlink_unicast+0x449/0x710 [ 593.633815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 593.633815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 593.633815][ T7704] ___sys_sendmsg+0xee/0x170 [ 593.633815][ T7704] __sys_sendmsg+0xcd/0x170 [ 593.633815][ T7704] do_syscall_64+0xc6/0x1e0 [ 593.633815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.633815][ T7704] [ 593.636248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 593.636248][ T7704] netdev_get_by_index+0x5e/0x80 [ 593.636248][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 593.636248][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 593.636248][ T7704] ip6_route_add+0x1c/0x140 [ 593.636248][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 593.636248][ T7704] addrconf_add_dev+0xe2/0x170 [ 593.636248][ T7704] inet6_addr_add+0x12f/0xa40 [ 593.636248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 593.636248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.636248][ T7704] netlink_rcv_skb+0x130/0x360 [ 593.636248][ T7704] netlink_unicast+0x449/0x710 [ 593.636248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 593.636248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 593.636248][ T7704] ___sys_sendmsg+0xee/0x170 [ 593.636248][ T7704] __sys_sendmsg+0xcd/0x170 [ 593.636248][ T7704] do_syscall_64+0xc6/0x1e0 [ 593.636248][ T7704] [ 593.638605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 593.638605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 593.638605][ T7704] ipv6_find_idev+0x102/0x170 [ 593.638605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.638605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.638605][ T7704] netlink_rcv_skb+0x130/0x360 [ 593.638605][ T7704] netlink_unicast+0x449/0x710 [ 593.638605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 593.638605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 593.638605][ T7704] ___sys_sendmsg+0xee/0x170 [ 593.638605][ T7704] __sys_sendmsg+0xcd/0x170 [ 593.638605][ T7704] do_syscall_64+0xc6/0x1e0 [ 593.638605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.638605][ T7704] [ 593.640328][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 593.640328][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 593.640328][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 593.640328][ T7704] ipv6_find_idev+0x102/0x170 [ 593.640328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.640328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.640328][ T7704] netlink_rcv_skb+0x130/0x360 [ 593.640328][ T7704] netlink_unicast+0x449/0x710 [ 593.640328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 593.640328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 593.640328][ T7704] ___sys_sendmsg+0xee/0x170 [ 593.640328][ T7704] __sys_sendmsg+0xcd/0x170 [ 593.640328][ T7704] do_syscall_64+0xc6/0x1e0 [ 593.640328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.640328][ T7704] [ 603.894960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 603.895525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 603.895525][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.895525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.895525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.895525][ T7704] ip6_route_add+0x1c/0x140 [ 603.895525][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 603.895525][ T7704] inet6_addr_add+0x4f8/0xa40 [ 603.895525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.895525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.895525][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.895525][ T7704] netlink_unicast+0x449/0x710 [ 603.895525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.895525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.895525][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.895525][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.895525][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.895525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.895525][ T7704] [ 603.898082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 603.898082][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.898082][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.898082][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.898082][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 603.898082][ T7704] ipv6_add_addr+0x411/0x2000 [ 603.898082][ T7704] inet6_addr_add+0x30e/0xa40 [ 603.898082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.898082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.898082][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.898082][ T7704] netlink_unicast+0x449/0x710 [ 603.898082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.898082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.898082][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.898082][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.898082][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.898082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.898082][ T7704] [ 603.900612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 603.900612][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.900612][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.900612][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.900612][ T7704] ip6_route_add+0x1c/0x140 [ 603.900612][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 603.900612][ T7704] addrconf_add_dev+0xe2/0x170 [ 603.900612][ T7704] inet6_addr_add+0x12f/0xa40 [ 603.900612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.900612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.900612][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.900612][ T7704] netlink_unicast+0x449/0x710 [ 603.900612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.900612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.900612][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.900612][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.900612][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.900612][ T7704] [ 603.903092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 603.903092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 603.903092][ T7704] ipv6_find_idev+0x102/0x170 [ 603.903092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.903092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.903092][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.903092][ T7704] netlink_unicast+0x449/0x710 [ 603.903092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.903092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.903092][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.903092][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.903092][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.903092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.903092][ T7704] [ 603.905376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 603.905376][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 603.905376][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 603.905376][ T7704] ipv6_find_idev+0x102/0x170 [ 603.905376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.905376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.905376][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.905376][ T7704] netlink_unicast+0x449/0x710 [ 603.905376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.905376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.905376][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.905376][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.905376][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.905376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.905376][ T7704] [ 614.158919][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 614.159374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 614.159374][ T7704] netdev_get_by_index+0x5e/0x80 [ 614.159374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 614.159374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 614.159374][ T7704] ip6_route_add+0x1c/0x140 [ 614.159374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 614.159374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 614.159374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 614.159374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.159374][ T7704] netlink_rcv_skb+0x130/0x360 [ 614.159374][ T7704] netlink_unicast+0x449/0x710 [ 614.159374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 614.159374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 614.159374][ T7704] ___sys_sendmsg+0xee/0x170 [ 614.159374][ T7704] __sys_sendmsg+0xcd/0x170 [ 614.159374][ T7704] do_syscall_64+0xc6/0x1e0 [ 614.159374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.159374][ T7704] [ 614.161714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 614.161714][ T7704] netdev_get_by_index+0x5e/0x80 [ 614.161714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 614.161714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 614.161714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 614.161714][ T7704] ipv6_add_addr+0x411/0x2000 [ 614.161714][ T7704] inet6_addr_add+0x30e/0xa40 [ 614.161714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 614.161714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.161714][ T7704] netlink_rcv_skb+0x130/0x360 [ 614.161714][ T7704] netlink_unicast+0x449/0x710 [ 614.161714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 614.161714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 614.161714][ T7704] ___sys_sendmsg+0xee/0x170 [ 614.161714][ T7704] __sys_sendmsg+0xcd/0x170 [ 614.161714][ T7704] do_syscall_64+0xc6/0x1e0 [ 614.161714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.161714][ T7704] [ 614.163990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 614.163990][ T7704] netdev_get_by_index+0x5e/0x80 [ 614.163990][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 614.163990][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 614.163990][ T7704] ip6_route_add+0x1c/0x140 [ 614.163990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 614.163990][ T7704] addrconf_add_dev+0xe2/0x170 [ 614.163990][ T7704] inet6_addr_add+0x12f/0xa40 [ 614.163990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 614.163990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.163990][ T7704] netlink_rcv_skb+0x130/0x360 [ 614.163990][ T7704] netlink_unicast+0x449/0x710 [ 614.163990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 614.163990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 614.163990][ T7704] ___sys_sendmsg+0xee/0x170 [ 614.163990][ T7704] __sys_sendmsg+0xcd/0x170 [ 614.163990][ T7704] do_syscall_64+0xc6/0x1e0 [ 614.163990][ T7704] [ 614.166310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 614.166310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 614.166310][ T7704] ipv6_find_idev+0x102/0x170 [ 614.166310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.166310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.166310][ T7704] netlink_rcv_skb+0x130/0x360 [ 614.166310][ T7704] netlink_unicast+0x449/0x710 [ 614.166310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 614.166310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 614.166310][ T7704] ___sys_sendmsg+0xee/0x170 [ 614.166310][ T7704] __sys_sendmsg+0xcd/0x170 [ 614.166310][ T7704] do_syscall_64+0xc6/0x1e0 [ 614.166310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.166310][ T7704] [ 614.168162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 614.168162][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 614.168162][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 614.168162][ T7704] ipv6_find_idev+0x102/0x170 [ 614.168162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.168162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.168162][ T7704] netlink_rcv_skb+0x130/0x360 [ 614.168162][ T7704] netlink_unicast+0x449/0x710 [ 614.168162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 614.168162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 614.168162][ T7704] ___sys_sendmsg+0xee/0x170 [ 614.168162][ T7704] __sys_sendmsg+0xcd/0x170 [ 614.168162][ T7704] do_syscall_64+0xc6/0x1e0 [ 614.168162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.168162][ T7704] [ 624.422946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 624.423397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 624.423397][ T7704] netdev_get_by_index+0x5e/0x80 [ 624.423397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 624.423397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 624.423397][ T7704] ip6_route_add+0x1c/0x140 [ 624.423397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 624.423397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 624.423397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 624.423397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.423397][ T7704] netlink_rcv_skb+0x130/0x360 [ 624.423397][ T7704] netlink_unicast+0x449/0x710 [ 624.423397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 624.423397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 624.423397][ T7704] ___sys_sendmsg+0xee/0x170 [ 624.423397][ T7704] __sys_sendmsg+0xcd/0x170 [ 624.423397][ T7704] do_syscall_64+0xc6/0x1e0 [ 624.423397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.423397][ T7704] [ 624.425691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 624.425691][ T7704] netdev_get_by_index+0x5e/0x80 [ 624.425691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 624.425691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 624.425691][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 624.425691][ T7704] ipv6_add_addr+0x411/0x2000 [ 624.425691][ T7704] inet6_addr_add+0x30e/0xa40 [ 624.425691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 624.425691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.425691][ T7704] netlink_rcv_skb+0x130/0x360 [ 624.425691][ T7704] netlink_unicast+0x449/0x710 [ 624.425691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 624.425691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 624.425691][ T7704] ___sys_sendmsg+0xee/0x170 [ 624.425691][ T7704] __sys_sendmsg+0xcd/0x170 [ 624.425691][ T7704] do_syscall_64+0xc6/0x1e0 [ 624.425691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.425691][ T7704] [ 624.428033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 624.428033][ T7704] netdev_get_by_index+0x5e/0x80 [ 624.428033][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 624.428033][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 624.428033][ T7704] ip6_route_add+0x1c/0x140 [ 624.428033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 624.428033][ T7704] addrconf_add_dev+0xe2/0x170 [ 624.428033][ T7704] inet6_addr_add+0x12f/0xa40 [ 624.428033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 624.428033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.428033][ T7704] netlink_rcv_skb+0x130/0x360 [ 624.428033][ T7704] netlink_unicast+0x449/0x710 [ 624.428033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 624.428033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 624.428033][ T7704] ___sys_sendmsg+0xee/0x170 [ 624.428033][ T7704] __sys_sendmsg+0xcd/0x170 [ 624.428033][ T7704] do_syscall_64+0xc6/0x1e0 [ 624.428033][ T7704] [ 624.430268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 624.430268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 624.430268][ T7704] ipv6_find_idev+0x102/0x170 [ 624.430268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.430268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.430268][ T7704] netlink_rcv_skb+0x130/0x360 [ 624.430268][ T7704] netlink_unicast+0x449/0x710 [ 624.430268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 624.430268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 624.430268][ T7704] ___sys_sendmsg+0xee/0x170 [ 624.430268][ T7704] __sys_sendmsg+0xcd/0x170 [ 624.430268][ T7704] do_syscall_64+0xc6/0x1e0 [ 624.430268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.430268][ T7704] [ 624.431994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 624.431994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 624.431994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 624.431994][ T7704] ipv6_find_idev+0x102/0x170 [ 624.431994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.431994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.431994][ T7704] netlink_rcv_skb+0x130/0x360 [ 624.431994][ T7704] netlink_unicast+0x449/0x710 [ 624.431994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 624.431994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 624.431994][ T7704] ___sys_sendmsg+0xee/0x170 [ 624.431994][ T7704] __sys_sendmsg+0xcd/0x170 [ 624.431994][ T7704] do_syscall_64+0xc6/0x1e0 [ 624.431994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.431994][ T7704] [ 634.614942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 634.615362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 634.615362][ T7704] netdev_get_by_index+0x5e/0x80 [ 634.615362][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 634.615362][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 634.615362][ T7704] ip6_route_add+0x1c/0x140 [ 634.615362][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 634.615362][ T7704] inet6_addr_add+0x4f8/0xa40 [ 634.615362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 634.615362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.615362][ T7704] netlink_rcv_skb+0x130/0x360 [ 634.615362][ T7704] netlink_unicast+0x449/0x710 [ 634.615362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 634.615362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 634.615362][ T7704] ___sys_sendmsg+0xee/0x170 [ 634.615362][ T7704] __sys_sendmsg+0xcd/0x170 [ 634.615362][ T7704] do_syscall_64+0xc6/0x1e0 [ 634.615362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.615362][ T7704] [ 634.617616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 634.617616][ T7704] netdev_get_by_index+0x5e/0x80 [ 634.617616][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 634.617616][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 634.617616][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 634.617616][ T7704] ipv6_add_addr+0x411/0x2000 [ 634.617616][ T7704] inet6_addr_add+0x30e/0xa40 [ 634.617616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 634.617616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.617616][ T7704] netlink_rcv_skb+0x130/0x360 [ 634.617616][ T7704] netlink_unicast+0x449/0x710 [ 634.617616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 634.617616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 634.617616][ T7704] ___sys_sendmsg+0xee/0x170 [ 634.617616][ T7704] __sys_sendmsg+0xcd/0x170 [ 634.617616][ T7704] do_syscall_64+0xc6/0x1e0 [ 634.617616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.617616][ T7704] [ 634.619855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 634.619855][ T7704] netdev_get_by_index+0x5e/0x80 [ 634.619855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 634.619855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 634.619855][ T7704] ip6_route_add+0x1c/0x140 [ 634.619855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 634.619855][ T7704] addrconf_add_dev+0xe2/0x170 [ 634.619855][ T7704] inet6_addr_add+0x12f/0xa40 [ 634.619855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 634.619855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.619855][ T7704] netlink_rcv_skb+0x130/0x360 [ 634.619855][ T7704] netlink_unicast+0x449/0x710 [ 634.619855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 634.619855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 634.619855][ T7704] ___sys_sendmsg+0xee/0x170 [ 634.619855][ T7704] __sys_sendmsg+0xcd/0x170 [ 634.619855][ T7704] do_syscall_64+0xc6/0x1e0 [ 634.619855][ T7704] [ 634.622088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 634.622088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 634.622088][ T7704] ipv6_find_idev+0x102/0x170 [ 634.622088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.622088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.622088][ T7704] netlink_rcv_skb+0x130/0x360 [ 634.622088][ T7704] netlink_unicast+0x449/0x710 [ 634.622088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 634.622088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 634.622088][ T7704] ___sys_sendmsg+0xee/0x170 [ 634.622088][ T7704] __sys_sendmsg+0xcd/0x170 [ 634.622088][ T7704] do_syscall_64+0xc6/0x1e0 [ 634.622088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.622088][ T7704] [ 634.623849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 634.623849][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 634.623849][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 634.623849][ T7704] ipv6_find_idev+0x102/0x170 [ 634.623849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.623849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.623849][ T7704] netlink_rcv_skb+0x130/0x360 [ 634.623849][ T7704] netlink_unicast+0x449/0x710 [ 634.623849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 634.623849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 634.623849][ T7704] ___sys_sendmsg+0xee/0x170 [ 634.623849][ T7704] __sys_sendmsg+0xcd/0x170 [ 634.623849][ T7704] do_syscall_64+0xc6/0x1e0 [ 634.623849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.623849][ T7704] [ 644.862907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 644.863375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 644.863375][ T7704] netdev_get_by_index+0x5e/0x80 [ 644.863375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 644.863375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 644.863375][ T7704] ip6_route_add+0x1c/0x140 [ 644.863375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 644.863375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 644.863375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 644.863375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.863375][ T7704] netlink_rcv_skb+0x130/0x360 [ 644.863375][ T7704] netlink_unicast+0x449/0x710 [ 644.863375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 644.863375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 644.863375][ T7704] ___sys_sendmsg+0xee/0x170 [ 644.863375][ T7704] __sys_sendmsg+0xcd/0x170 [ 644.863375][ T7704] do_syscall_64+0xc6/0x1e0 [ 644.863375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.863375][ T7704] [ 644.865905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 644.865905][ T7704] netdev_get_by_index+0x5e/0x80 [ 644.865905][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 644.865905][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 644.865905][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 644.865905][ T7704] ipv6_add_addr+0x411/0x2000 [ 644.865905][ T7704] inet6_addr_add+0x30e/0xa40 [ 644.865905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 644.865905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.865905][ T7704] netlink_rcv_skb+0x130/0x360 [ 644.865905][ T7704] netlink_unicast+0x449/0x710 [ 644.865905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 644.865905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 644.865905][ T7704] ___sys_sendmsg+0xee/0x170 [ 644.865905][ T7704] __sys_sendmsg+0xcd/0x170 [ 644.865905][ T7704] do_syscall_64+0xc6/0x1e0 [ 644.865905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.865905][ T7704] [ 644.868419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 644.868419][ T7704] netdev_get_by_index+0x5e/0x80 [ 644.868419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 644.868419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 644.868419][ T7704] ip6_route_add+0x1c/0x140 [ 644.868419][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 644.868419][ T7704] addrconf_add_dev+0xe2/0x170 [ 644.868419][ T7704] inet6_addr_add+0x12f/0xa40 [ 644.868419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 644.868419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.868419][ T7704] netlink_rcv_skb+0x130/0x360 [ 644.868419][ T7704] netlink_unicast+0x449/0x710 [ 644.868419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 644.868419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 644.868419][ T7704] ___sys_sendmsg+0xee/0x170 [ 644.868419][ T7704] __sys_sendmsg+0xcd/0x170 [ 644.868419][ T7704] do_syscall_64+0xc6/0x1e0 [ 644.868419][ T7704] [ 644.870913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 644.870913][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 644.870913][ T7704] ipv6_find_idev+0x102/0x170 [ 644.870913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.870913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.870913][ T7704] netlink_rcv_skb+0x130/0x360 [ 644.870913][ T7704] netlink_unicast+0x449/0x710 [ 644.870913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 644.870913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 644.870913][ T7704] ___sys_sendmsg+0xee/0x170 [ 644.870913][ T7704] __sys_sendmsg+0xcd/0x170 [ 644.870913][ T7704] do_syscall_64+0xc6/0x1e0 [ 644.870913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.870913][ T7704] [ 644.872757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 644.872757][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 644.872757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 644.872757][ T7704] ipv6_find_idev+0x102/0x170 [ 644.872757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.872757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.872757][ T7704] netlink_rcv_skb+0x130/0x360 [ 644.872757][ T7704] netlink_unicast+0x449/0x710 [ 644.872757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 644.872757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 644.872757][ T7704] ___sys_sendmsg+0xee/0x170 [ 644.872757][ T7704] __sys_sendmsg+0xcd/0x170 [ 644.872757][ T7704] do_syscall_64+0xc6/0x1e0 [ 644.872757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.872757][ T7704] [ 655.078893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 655.079390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 655.079390][ T7704] netdev_get_by_index+0x5e/0x80 [ 655.079390][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 655.079390][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 655.079390][ T7704] ip6_route_add+0x1c/0x140 [ 655.079390][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 655.079390][ T7704] inet6_addr_add+0x4f8/0xa40 [ 655.079390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 655.079390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.079390][ T7704] netlink_rcv_skb+0x130/0x360 [ 655.079390][ T7704] netlink_unicast+0x449/0x710 [ 655.079390][ T7704] netlink_sendmsg+0x723/0xbe0 [ 655.079390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 655.079390][ T7704] ___sys_sendmsg+0xee/0x170 [ 655.079390][ T7704] __sys_sendmsg+0xcd/0x170 [ 655.079390][ T7704] do_syscall_64+0xc6/0x1e0 [ 655.079390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.079390][ T7704] [ 655.081708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 655.081708][ T7704] netdev_get_by_index+0x5e/0x80 [ 655.081708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 655.081708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 655.081708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 655.081708][ T7704] ipv6_add_addr+0x411/0x2000 [ 655.081708][ T7704] inet6_addr_add+0x30e/0xa40 [ 655.081708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 655.081708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.081708][ T7704] netlink_rcv_skb+0x130/0x360 [ 655.081708][ T7704] netlink_unicast+0x449/0x710 [ 655.081708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 655.081708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 655.081708][ T7704] ___sys_sendmsg+0xee/0x170 [ 655.081708][ T7704] __sys_sendmsg+0xcd/0x170 [ 655.081708][ T7704] do_syscall_64+0xc6/0x1e0 [ 655.081708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.081708][ T7704] [ 655.084065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 655.084065][ T7704] netdev_get_by_index+0x5e/0x80 [ 655.084065][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 655.084065][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 655.084065][ T7704] ip6_route_add+0x1c/0x140 [ 655.084065][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 655.084065][ T7704] addrconf_add_dev+0xe2/0x170 [ 655.084065][ T7704] inet6_addr_add+0x12f/0xa40 [ 655.084065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 655.084065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.084065][ T7704] netlink_rcv_skb+0x130/0x360 [ 655.084065][ T7704] netlink_unicast+0x449/0x710 [ 655.084065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 655.084065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 655.084065][ T7704] ___sys_sendmsg+0xee/0x170 [ 655.084065][ T7704] __sys_sendmsg+0xcd/0x170 [ 655.084065][ T7704] do_syscall_64+0xc6/0x1e0 [ 655.084065][ T7704] [ 655.086396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 655.086396][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 655.086396][ T7704] ipv6_find_idev+0x102/0x170 [ 655.086396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.086396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.086396][ T7704] netlink_rcv_skb+0x130/0x360 [ 655.086396][ T7704] netlink_unicast+0x449/0x710 [ 655.086396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 655.086396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 655.086396][ T7704] ___sys_sendmsg+0xee/0x170 [ 655.086396][ T7704] __sys_sendmsg+0xcd/0x170 [ 655.086396][ T7704] do_syscall_64+0xc6/0x1e0 [ 655.086396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.086396][ T7704] [ 655.088217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 655.088217][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 655.088217][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 655.088217][ T7704] ipv6_find_idev+0x102/0x170 [ 655.088217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.088217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.088217][ T7704] netlink_rcv_skb+0x130/0x360 [ 655.088217][ T7704] netlink_unicast+0x449/0x710 [ 655.088217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 655.088217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 655.088217][ T7704] ___sys_sendmsg+0xee/0x170 [ 655.088217][ T7704] __sys_sendmsg+0xcd/0x170 [ 655.088217][ T7704] do_syscall_64+0xc6/0x1e0 [ 655.088217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.088217][ T7704] [ 665.326907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 665.327384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 665.327384][ T7704] netdev_get_by_index+0x5e/0x80 [ 665.327384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 665.327384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 665.327384][ T7704] ip6_route_add+0x1c/0x140 [ 665.327384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 665.327384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 665.327384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 665.327384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.327384][ T7704] netlink_rcv_skb+0x130/0x360 [ 665.327384][ T7704] netlink_unicast+0x449/0x710 [ 665.327384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 665.327384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 665.327384][ T7704] ___sys_sendmsg+0xee/0x170 [ 665.327384][ T7704] __sys_sendmsg+0xcd/0x170 [ 665.327384][ T7704] do_syscall_64+0xc6/0x1e0 [ 665.327384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.327384][ T7704] [ 665.329985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 665.329985][ T7704] netdev_get_by_index+0x5e/0x80 [ 665.329985][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 665.329985][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 665.329985][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 665.329985][ T7704] ipv6_add_addr+0x411/0x2000 [ 665.329985][ T7704] inet6_addr_add+0x30e/0xa40 [ 665.329985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 665.329985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.329985][ T7704] netlink_rcv_skb+0x130/0x360 [ 665.329985][ T7704] netlink_unicast+0x449/0x710 [ 665.329985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 665.329985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 665.329985][ T7704] ___sys_sendmsg+0xee/0x170 [ 665.329985][ T7704] __sys_sendmsg+0xcd/0x170 [ 665.329985][ T7704] do_syscall_64+0xc6/0x1e0 [ 665.329985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.329985][ T7704] [ 665.332513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 665.332513][ T7704] netdev_get_by_index+0x5e/0x80 [ 665.332513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 665.332513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 665.332513][ T7704] ip6_route_add+0x1c/0x140 [ 665.332513][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 665.332513][ T7704] addrconf_add_dev+0xe2/0x170 [ 665.332513][ T7704] inet6_addr_add+0x12f/0xa40 [ 665.332513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 665.332513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.332513][ T7704] netlink_rcv_skb+0x130/0x360 [ 665.332513][ T7704] netlink_unicast+0x449/0x710 [ 665.332513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 665.332513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 665.332513][ T7704] ___sys_sendmsg+0xee/0x170 [ 665.332513][ T7704] __sys_sendmsg+0xcd/0x170 [ 665.332513][ T7704] do_syscall_64+0xc6/0x1e0 [ 665.332513][ T7704] [ 665.334923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 665.334923][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 665.334923][ T7704] ipv6_find_idev+0x102/0x170 [ 665.334923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.334923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.334923][ T7704] netlink_rcv_skb+0x130/0x360 [ 665.334923][ T7704] netlink_unicast+0x449/0x710 [ 665.334923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 665.334923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 665.334923][ T7704] ___sys_sendmsg+0xee/0x170 [ 665.334923][ T7704] __sys_sendmsg+0xcd/0x170 [ 665.334923][ T7704] do_syscall_64+0xc6/0x1e0 [ 665.334923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.334923][ T7704] [ 665.336817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 665.336817][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 665.336817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 665.336817][ T7704] ipv6_find_idev+0x102/0x170 [ 665.336817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.336817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.336817][ T7704] netlink_rcv_skb+0x130/0x360 [ 665.336817][ T7704] netlink_unicast+0x449/0x710 [ 665.336817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 665.336817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 665.336817][ T7704] ___sys_sendmsg+0xee/0x170 [ 665.336817][ T7704] __sys_sendmsg+0xcd/0x170 [ 665.336817][ T7704] do_syscall_64+0xc6/0x1e0 [ 665.336817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.336817][ T7704] [ 675.574919][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 675.575346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 675.575346][ T7704] netdev_get_by_index+0x5e/0x80 [ 675.575346][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 675.575346][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 675.575346][ T7704] ip6_route_add+0x1c/0x140 [ 675.575346][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 675.575346][ T7704] inet6_addr_add+0x4f8/0xa40 [ 675.575346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 675.575346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.575346][ T7704] netlink_rcv_skb+0x130/0x360 [ 675.575346][ T7704] netlink_unicast+0x449/0x710 [ 675.575346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 675.575346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 675.575346][ T7704] ___sys_sendmsg+0xee/0x170 [ 675.575346][ T7704] __sys_sendmsg+0xcd/0x170 [ 675.575346][ T7704] do_syscall_64+0xc6/0x1e0 [ 675.575346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.575346][ T7704] [ 675.577655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 675.577655][ T7704] netdev_get_by_index+0x5e/0x80 [ 675.577655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 675.577655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 675.577655][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 675.577655][ T7704] ipv6_add_addr+0x411/0x2000 [ 675.577655][ T7704] inet6_addr_add+0x30e/0xa40 [ 675.577655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 675.577655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.577655][ T7704] netlink_rcv_skb+0x130/0x360 [ 675.577655][ T7704] netlink_unicast+0x449/0x710 [ 675.577655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 675.577655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 675.577655][ T7704] ___sys_sendmsg+0xee/0x170 [ 675.577655][ T7704] __sys_sendmsg+0xcd/0x170 [ 675.577655][ T7704] do_syscall_64+0xc6/0x1e0 [ 675.577655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.577655][ T7704] [ 675.579919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 675.579919][ T7704] netdev_get_by_index+0x5e/0x80 [ 675.579919][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 675.579919][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 675.579919][ T7704] ip6_route_add+0x1c/0x140 [ 675.579919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 675.579919][ T7704] addrconf_add_dev+0xe2/0x170 [ 675.579919][ T7704] inet6_addr_add+0x12f/0xa40 [ 675.579919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 675.579919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.579919][ T7704] netlink_rcv_skb+0x130/0x360 [ 675.579919][ T7704] netlink_unicast+0x449/0x710 [ 675.579919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 675.579919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 675.579919][ T7704] ___sys_sendmsg+0xee/0x170 [ 675.579919][ T7704] __sys_sendmsg+0xcd/0x170 [ 675.579919][ T7704] do_syscall_64+0xc6/0x1e0 [ 675.579919][ T7704] [ 675.582116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 675.582116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 675.582116][ T7704] ipv6_find_idev+0x102/0x170 [ 675.582116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.582116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.582116][ T7704] netlink_rcv_skb+0x130/0x360 [ 675.582116][ T7704] netlink_unicast+0x449/0x710 [ 675.582116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 675.582116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 675.582116][ T7704] ___sys_sendmsg+0xee/0x170 [ 675.582116][ T7704] __sys_sendmsg+0xcd/0x170 [ 675.582116][ T7704] do_syscall_64+0xc6/0x1e0 [ 675.582116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.582116][ T7704] [ 675.583850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 675.583850][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 675.583850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 675.583850][ T7704] ipv6_find_idev+0x102/0x170 [ 675.583850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.583850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.583850][ T7704] netlink_rcv_skb+0x130/0x360 [ 675.583850][ T7704] netlink_unicast+0x449/0x710 [ 675.583850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 675.583850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 675.583850][ T7704] ___sys_sendmsg+0xee/0x170 [ 675.583850][ T7704] __sys_sendmsg+0xcd/0x170 [ 675.583850][ T7704] do_syscall_64+0xc6/0x1e0 [ 675.583850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.583850][ T7704] [ 685.822886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 685.823715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 685.823715][ T7704] netdev_get_by_index+0x5e/0x80 [ 685.823715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 685.823715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 685.823715][ T7704] ip6_route_add+0x1c/0x140 [ 685.823715][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 685.823715][ T7704] inet6_addr_add+0x4f8/0xa40 [ 685.823715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 685.823715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.823715][ T7704] netlink_rcv_skb+0x130/0x360 [ 685.823715][ T7704] netlink_unicast+0x449/0x710 [ 685.823715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 685.823715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 685.823715][ T7704] ___sys_sendmsg+0xee/0x170 [ 685.823715][ T7704] __sys_sendmsg+0xcd/0x170 [ 685.823715][ T7704] do_syscall_64+0xc6/0x1e0 [ 685.823715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.823715][ T7704] [ 685.826031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 685.826031][ T7704] netdev_get_by_index+0x5e/0x80 [ 685.826031][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 685.826031][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 685.826031][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 685.826031][ T7704] ipv6_add_addr+0x411/0x2000 [ 685.826031][ T7704] inet6_addr_add+0x30e/0xa40 [ 685.826031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 685.826031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.826031][ T7704] netlink_rcv_skb+0x130/0x360 [ 685.826031][ T7704] netlink_unicast+0x449/0x710 [ 685.826031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 685.826031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 685.826031][ T7704] ___sys_sendmsg+0xee/0x170 [ 685.826031][ T7704] __sys_sendmsg+0xcd/0x170 [ 685.826031][ T7704] do_syscall_64+0xc6/0x1e0 [ 685.826031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.826031][ T7704] [ 685.828369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 685.828369][ T7704] netdev_get_by_index+0x5e/0x80 [ 685.828369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 685.828369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 685.828369][ T7704] ip6_route_add+0x1c/0x140 [ 685.828369][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 685.828369][ T7704] addrconf_add_dev+0xe2/0x170 [ 685.828369][ T7704] inet6_addr_add+0x12f/0xa40 [ 685.828369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 685.828369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.828369][ T7704] netlink_rcv_skb+0x130/0x360 [ 685.828369][ T7704] netlink_unicast+0x449/0x710 [ 685.828369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 685.828369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 685.828369][ T7704] ___sys_sendmsg+0xee/0x170 [ 685.828369][ T7704] __sys_sendmsg+0xcd/0x170 [ 685.828369][ T7704] do_syscall_64+0xc6/0x1e0 [ 685.828369][ T7704] [ 685.830597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 685.830597][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 685.830597][ T7704] ipv6_find_idev+0x102/0x170 [ 685.830597][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.830597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.830597][ T7704] netlink_rcv_skb+0x130/0x360 [ 685.830597][ T7704] netlink_unicast+0x449/0x710 [ 685.830597][ T7704] netlink_sendmsg+0x723/0xbe0 [ 685.830597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 685.830597][ T7704] ___sys_sendmsg+0xee/0x170 [ 685.830597][ T7704] __sys_sendmsg+0xcd/0x170 [ 685.830597][ T7704] do_syscall_64+0xc6/0x1e0 [ 685.830597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.830597][ T7704] [ 685.832358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 685.832358][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 685.832358][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 685.832358][ T7704] ipv6_find_idev+0x102/0x170 [ 685.832358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.832358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.832358][ T7704] netlink_rcv_skb+0x130/0x360 [ 685.832358][ T7704] netlink_unicast+0x449/0x710 [ 685.832358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 685.832358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 685.832358][ T7704] ___sys_sendmsg+0xee/0x170 [ 685.832358][ T7704] __sys_sendmsg+0xcd/0x170 [ 685.832358][ T7704] do_syscall_64+0xc6/0x1e0 [ 685.832358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.832358][ T7704] [ 696.070922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 696.071379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 696.071379][ T7704] netdev_get_by_index+0x5e/0x80 [ 696.071379][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 696.071379][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 696.071379][ T7704] ip6_route_add+0x1c/0x140 [ 696.071379][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 696.071379][ T7704] inet6_addr_add+0x4f8/0xa40 [ 696.071379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 696.071379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.071379][ T7704] netlink_rcv_skb+0x130/0x360 [ 696.071379][ T7704] netlink_unicast+0x449/0x710 [ 696.071379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 696.071379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 696.071379][ T7704] ___sys_sendmsg+0xee/0x170 [ 696.071379][ T7704] __sys_sendmsg+0xcd/0x170 [ 696.071379][ T7704] do_syscall_64+0xc6/0x1e0 [ 696.071379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.071379][ T7704] [ 696.073714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 696.073714][ T7704] netdev_get_by_index+0x5e/0x80 [ 696.073714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 696.073714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 696.073714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 696.073714][ T7704] ipv6_add_addr+0x411/0x2000 [ 696.073714][ T7704] inet6_addr_add+0x30e/0xa40 [ 696.073714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 696.073714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.073714][ T7704] netlink_rcv_skb+0x130/0x360 [ 696.073714][ T7704] netlink_unicast+0x449/0x710 [ 696.073714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 696.073714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 696.073714][ T7704] ___sys_sendmsg+0xee/0x170 [ 696.073714][ T7704] __sys_sendmsg+0xcd/0x170 [ 696.073714][ T7704] do_syscall_64+0xc6/0x1e0 [ 696.073714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.073714][ T7704] [ 696.076217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 696.076217][ T7704] netdev_get_by_index+0x5e/0x80 [ 696.076217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 696.076217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 696.076217][ T7704] ip6_route_add+0x1c/0x140 [ 696.076217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 696.076217][ T7704] addrconf_add_dev+0xe2/0x170 [ 696.076217][ T7704] inet6_addr_add+0x12f/0xa40 [ 696.076217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 696.076217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.076217][ T7704] netlink_rcv_skb+0x130/0x360 [ 696.076217][ T7704] netlink_unicast+0x449/0x710 [ 696.076217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 696.076217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 696.076217][ T7704] ___sys_sendmsg+0xee/0x170 [ 696.076217][ T7704] __sys_sendmsg+0xcd/0x170 [ 696.076217][ T7704] do_syscall_64+0xc6/0x1e0 [ 696.076217][ T7704] [ 696.078696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 696.078696][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 696.078696][ T7704] ipv6_find_idev+0x102/0x170 [ 696.078696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.078696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.078696][ T7704] netlink_rcv_skb+0x130/0x360 [ 696.078696][ T7704] netlink_unicast+0x449/0x710 [ 696.078696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 696.078696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 696.078696][ T7704] ___sys_sendmsg+0xee/0x170 [ 696.078696][ T7704] __sys_sendmsg+0xcd/0x170 [ 696.078696][ T7704] do_syscall_64+0xc6/0x1e0 [ 696.078696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.078696][ T7704] [ 696.080616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 696.080616][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 696.080616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 696.080616][ T7704] ipv6_find_idev+0x102/0x170 [ 696.080616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.080616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.080616][ T7704] netlink_rcv_skb+0x130/0x360 [ 696.080616][ T7704] netlink_unicast+0x449/0x710 [ 696.080616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 696.080616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 696.080616][ T7704] ___sys_sendmsg+0xee/0x170 [ 696.080616][ T7704] __sys_sendmsg+0xcd/0x170 [ 696.080616][ T7704] do_syscall_64+0xc6/0x1e0 [ 696.080616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.080616][ T7704] [ 706.318939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 706.319615][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 706.319615][ T7704] netdev_get_by_index+0x5e/0x80 [ 706.319615][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 706.319615][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 706.319615][ T7704] ip6_route_add+0x1c/0x140 [ 706.319615][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 706.319615][ T7704] inet6_addr_add+0x4f8/0xa40 [ 706.319615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 706.319615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.319615][ T7704] netlink_rcv_skb+0x130/0x360 [ 706.319615][ T7704] netlink_unicast+0x449/0x710 [ 706.319615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 706.319615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 706.319615][ T7704] ___sys_sendmsg+0xee/0x170 [ 706.319615][ T7704] __sys_sendmsg+0xcd/0x170 [ 706.319615][ T7704] do_syscall_64+0xc6/0x1e0 [ 706.319615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.319615][ T7704] [ 706.323130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 706.323130][ T7704] netdev_get_by_index+0x5e/0x80 [ 706.323130][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 706.323130][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 706.323130][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 706.323130][ T7704] ipv6_add_addr+0x411/0x2000 [ 706.323130][ T7704] inet6_addr_add+0x30e/0xa40 [ 706.323130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 706.323130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.323130][ T7704] netlink_rcv_skb+0x130/0x360 [ 706.323130][ T7704] netlink_unicast+0x449/0x710 [ 706.323130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 706.323130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 706.323130][ T7704] ___sys_sendmsg+0xee/0x170 [ 706.323130][ T7704] __sys_sendmsg+0xcd/0x170 [ 706.323130][ T7704] do_syscall_64+0xc6/0x1e0 [ 706.323130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.323130][ T7704] [ 706.326704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 706.326704][ T7704] netdev_get_by_index+0x5e/0x80 [ 706.326704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 706.326704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 706.326704][ T7704] ip6_route_add+0x1c/0x140 [ 706.326704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 706.326704][ T7704] addrconf_add_dev+0xe2/0x170 [ 706.326704][ T7704] inet6_addr_add+0x12f/0xa40 [ 706.326704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 706.326704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.326704][ T7704] netlink_rcv_skb+0x130/0x360 [ 706.326704][ T7704] netlink_unicast+0x449/0x710 [ 706.326704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 706.326704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 706.326704][ T7704] ___sys_sendmsg+0xee/0x170 [ 706.326704][ T7704] __sys_sendmsg+0xcd/0x170 [ 706.326704][ T7704] do_syscall_64+0xc6/0x1e0 [ 706.326704][ T7704] [ 706.330248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 706.330248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 706.330248][ T7704] ipv6_find_idev+0x102/0x170 [ 706.330248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.330248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.330248][ T7704] netlink_rcv_skb+0x130/0x360 [ 706.330248][ T7704] netlink_unicast+0x449/0x710 [ 706.330248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 706.330248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 706.330248][ T7704] ___sys_sendmsg+0xee/0x170 [ 706.330248][ T7704] __sys_sendmsg+0xcd/0x170 [ 706.330248][ T7704] do_syscall_64+0xc6/0x1e0 [ 706.330248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.330248][ T7704] [ 706.333009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 706.333009][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 706.333009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 706.333009][ T7704] ipv6_find_idev+0x102/0x170 [ 706.333009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.333009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.333009][ T7704] netlink_rcv_skb+0x130/0x360 [ 706.333009][ T7704] netlink_unicast+0x449/0x710 [ 706.333009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 706.333009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 706.333009][ T7704] ___sys_sendmsg+0xee/0x170 [ 706.333009][ T7704] __sys_sendmsg+0xcd/0x170 [ 706.333009][ T7704] do_syscall_64+0xc6/0x1e0 [ 706.333009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.333009][ T7704] [ 716.574878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 716.575418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 716.575418][ T7704] netdev_get_by_index+0x5e/0x80 [ 716.575418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 716.575418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 716.575418][ T7704] ip6_route_add+0x1c/0x140 [ 716.575418][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 716.575418][ T7704] inet6_addr_add+0x4f8/0xa40 [ 716.575418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 716.575418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.575418][ T7704] netlink_rcv_skb+0x130/0x360 [ 716.575418][ T7704] netlink_unicast+0x449/0x710 [ 716.575418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 716.575418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 716.575418][ T7704] ___sys_sendmsg+0xee/0x170 [ 716.575418][ T7704] __sys_sendmsg+0xcd/0x170 [ 716.575418][ T7704] do_syscall_64+0xc6/0x1e0 [ 716.575418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.575418][ T7704] [ 716.577723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 716.577723][ T7704] netdev_get_by_index+0x5e/0x80 [ 716.577723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 716.577723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 716.577723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 716.577723][ T7704] ipv6_add_addr+0x411/0x2000 [ 716.577723][ T7704] inet6_addr_add+0x30e/0xa40 [ 716.577723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 716.577723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.577723][ T7704] netlink_rcv_skb+0x130/0x360 [ 716.577723][ T7704] netlink_unicast+0x449/0x710 [ 716.577723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 716.577723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 716.577723][ T7704] ___sys_sendmsg+0xee/0x170 [ 716.577723][ T7704] __sys_sendmsg+0xcd/0x170 [ 716.577723][ T7704] do_syscall_64+0xc6/0x1e0 [ 716.577723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.577723][ T7704] [ 716.579996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 716.579996][ T7704] netdev_get_by_index+0x5e/0x80 [ 716.579996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 716.579996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 716.579996][ T7704] ip6_route_add+0x1c/0x140 [ 716.579996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 716.579996][ T7704] addrconf_add_dev+0xe2/0x170 [ 716.579996][ T7704] inet6_addr_add+0x12f/0xa40 [ 716.579996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 716.579996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.579996][ T7704] netlink_rcv_skb+0x130/0x360 [ 716.579996][ T7704] netlink_unicast+0x449/0x710 [ 716.579996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 716.579996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 716.579996][ T7704] ___sys_sendmsg+0xee/0x170 [ 716.579996][ T7704] __sys_sendmsg+0xcd/0x170 [ 716.579996][ T7704] do_syscall_64+0xc6/0x1e0 [ 716.579996][ T7704] [ 716.582218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 716.582218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 716.582218][ T7704] ipv6_find_idev+0x102/0x170 [ 716.582218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.582218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.582218][ T7704] netlink_rcv_skb+0x130/0x360 [ 716.582218][ T7704] netlink_unicast+0x449/0x710 [ 716.582218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 716.582218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 716.582218][ T7704] ___sys_sendmsg+0xee/0x170 [ 716.582218][ T7704] __sys_sendmsg+0xcd/0x170 [ 716.582218][ T7704] do_syscall_64+0xc6/0x1e0 [ 716.582218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.582218][ T7704] [ 716.583970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 716.583970][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 716.583970][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 716.583970][ T7704] ipv6_find_idev+0x102/0x170 [ 716.583970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.583970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.583970][ T7704] netlink_rcv_skb+0x130/0x360 [ 716.583970][ T7704] netlink_unicast+0x449/0x710 [ 716.583970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 716.583970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 716.583970][ T7704] ___sys_sendmsg+0xee/0x170 [ 716.583970][ T7704] __sys_sendmsg+0xcd/0x170 [ 716.583970][ T7704] do_syscall_64+0xc6/0x1e0 [ 716.583970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.583970][ T7704] [ 726.702928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 726.703440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 726.703440][ T7704] netdev_get_by_index+0x5e/0x80 [ 726.703440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 726.703440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 726.703440][ T7704] ip6_route_add+0x1c/0x140 [ 726.703440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 726.703440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 726.703440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 726.703440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.703440][ T7704] netlink_rcv_skb+0x130/0x360 [ 726.703440][ T7704] netlink_unicast+0x449/0x710 [ 726.703440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 726.703440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 726.703440][ T7704] ___sys_sendmsg+0xee/0x170 [ 726.703440][ T7704] __sys_sendmsg+0xcd/0x170 [ 726.703440][ T7704] do_syscall_64+0xc6/0x1e0 [ 726.703440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.703440][ T7704] [ 726.705723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 726.705723][ T7704] netdev_get_by_index+0x5e/0x80 [ 726.705723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 726.705723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 726.705723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 726.705723][ T7704] ipv6_add_addr+0x411/0x2000 [ 726.705723][ T7704] inet6_addr_add+0x30e/0xa40 [ 726.705723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 726.705723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.705723][ T7704] netlink_rcv_skb+0x130/0x360 [ 726.705723][ T7704] netlink_unicast+0x449/0x710 [ 726.705723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 726.705723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 726.705723][ T7704] ___sys_sendmsg+0xee/0x170 [ 726.705723][ T7704] __sys_sendmsg+0xcd/0x170 [ 726.705723][ T7704] do_syscall_64+0xc6/0x1e0 [ 726.705723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.705723][ T7704] [ 726.707975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 726.707975][ T7704] netdev_get_by_index+0x5e/0x80 [ 726.707975][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 726.707975][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 726.707975][ T7704] ip6_route_add+0x1c/0x140 [ 726.707975][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 726.707975][ T7704] addrconf_add_dev+0xe2/0x170 [ 726.707975][ T7704] inet6_addr_add+0x12f/0xa40 [ 726.707975][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 726.707975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.707975][ T7704] netlink_rcv_skb+0x130/0x360 [ 726.707975][ T7704] netlink_unicast+0x449/0x710 [ 726.707975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 726.707975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 726.707975][ T7704] ___sys_sendmsg+0xee/0x170 [ 726.707975][ T7704] __sys_sendmsg+0xcd/0x170 [ 726.707975][ T7704] do_syscall_64+0xc6/0x1e0 [ 726.707975][ T7704] [ 726.710189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 726.710189][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 726.710189][ T7704] ipv6_find_idev+0x102/0x170 [ 726.710189][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.710189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.710189][ T7704] netlink_rcv_skb+0x130/0x360 [ 726.710189][ T7704] netlink_unicast+0x449/0x710 [ 726.710189][ T7704] netlink_sendmsg+0x723/0xbe0 [ 726.710189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 726.710189][ T7704] ___sys_sendmsg+0xee/0x170 [ 726.710189][ T7704] __sys_sendmsg+0xcd/0x170 [ 726.710189][ T7704] do_syscall_64+0xc6/0x1e0 [ 726.710189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.710189][ T7704] [ 726.711918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 726.711918][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 726.711918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 726.711918][ T7704] ipv6_find_idev+0x102/0x170 [ 726.711918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.711918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.711918][ T7704] netlink_rcv_skb+0x130/0x360 [ 726.711918][ T7704] netlink_unicast+0x449/0x710 [ 726.711918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 726.711918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 726.711918][ T7704] ___sys_sendmsg+0xee/0x170 [ 726.711918][ T7704] __sys_sendmsg+0xcd/0x170 [ 726.711918][ T7704] do_syscall_64+0xc6/0x1e0 [ 726.711918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.711918][ T7704] [ 736.750894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 736.751386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 736.751386][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.751386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.751386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.751386][ T7704] ip6_route_add+0x1c/0x140 [ 736.751386][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 736.751386][ T7704] inet6_addr_add+0x4f8/0xa40 [ 736.751386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.751386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.751386][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.751386][ T7704] netlink_unicast+0x449/0x710 [ 736.751386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.751386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.751386][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.751386][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.751386][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.751386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.751386][ T7704] [ 736.753660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 736.753660][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.753660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.753660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.753660][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 736.753660][ T7704] ipv6_add_addr+0x411/0x2000 [ 736.753660][ T7704] inet6_addr_add+0x30e/0xa40 [ 736.753660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.753660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.753660][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.753660][ T7704] netlink_unicast+0x449/0x710 [ 736.753660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.753660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.753660][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.753660][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.753660][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.753660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.753660][ T7704] [ 736.755894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 736.755894][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.755894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.755894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.755894][ T7704] ip6_route_add+0x1c/0x140 [ 736.755894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 736.755894][ T7704] addrconf_add_dev+0xe2/0x170 [ 736.755894][ T7704] inet6_addr_add+0x12f/0xa40 [ 736.755894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.755894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.755894][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.755894][ T7704] netlink_unicast+0x449/0x710 [ 736.755894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.755894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.755894][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.755894][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.755894][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.755894][ T7704] [ 736.758138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 736.758138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 736.758138][ T7704] ipv6_find_idev+0x102/0x170 [ 736.758138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.758138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.758138][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.758138][ T7704] netlink_unicast+0x449/0x710 [ 736.758138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.758138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.758138][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.758138][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.758138][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.758138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.758138][ T7704] [ 736.759864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 736.759864][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 736.759864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 736.759864][ T7704] ipv6_find_idev+0x102/0x170 [ 736.759864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.759864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.759864][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.759864][ T7704] netlink_unicast+0x449/0x710 [ 736.759864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.759864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.759864][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.759864][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.759864][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.759864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.759864][ T7704] [ 746.862886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 746.863389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 746.863389][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.863389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.863389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.863389][ T7704] ip6_route_add+0x1c/0x140 [ 746.863389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 746.863389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 746.863389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.863389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.863389][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.863389][ T7704] netlink_unicast+0x449/0x710 [ 746.863389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.863389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.863389][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.863389][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.863389][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.863389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.863389][ T7704] [ 746.865651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 746.865651][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.865651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.865651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.865651][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 746.865651][ T7704] ipv6_add_addr+0x411/0x2000 [ 746.865651][ T7704] inet6_addr_add+0x30e/0xa40 [ 746.865651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.865651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.865651][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.865651][ T7704] netlink_unicast+0x449/0x710 [ 746.865651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.865651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.865651][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.865651][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.865651][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.865651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.865651][ T7704] [ 746.867948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 746.867948][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.867948][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.867948][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.867948][ T7704] ip6_route_add+0x1c/0x140 [ 746.867948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 746.867948][ T7704] addrconf_add_dev+0xe2/0x170 [ 746.867948][ T7704] inet6_addr_add+0x12f/0xa40 [ 746.867948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.867948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.867948][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.867948][ T7704] netlink_unicast+0x449/0x710 [ 746.867948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.867948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.867948][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.867948][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.867948][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.867948][ T7704] [ 746.870314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 746.870314][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 746.870314][ T7704] ipv6_find_idev+0x102/0x170 [ 746.870314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.870314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.870314][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.870314][ T7704] netlink_unicast+0x449/0x710 [ 746.870314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.870314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.870314][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.870314][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.870314][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.870314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.870314][ T7704] [ 746.872133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 746.872133][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 746.872133][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 746.872133][ T7704] ipv6_find_idev+0x102/0x170 [ 746.872133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.872133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.872133][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.872133][ T7704] netlink_unicast+0x449/0x710 [ 746.872133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.872133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.872133][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.872133][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.872133][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.872133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.872133][ T7704] [ 757.110908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 757.111402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 757.111402][ T7704] netdev_get_by_index+0x5e/0x80 [ 757.111402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 757.111402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 757.111402][ T7704] ip6_route_add+0x1c/0x140 [ 757.111402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 757.111402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 757.111402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 757.111402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.111402][ T7704] netlink_rcv_skb+0x130/0x360 [ 757.111402][ T7704] netlink_unicast+0x449/0x710 [ 757.111402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 757.111402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 757.111402][ T7704] ___sys_sendmsg+0xee/0x170 [ 757.111402][ T7704] __sys_sendmsg+0xcd/0x170 [ 757.111402][ T7704] do_syscall_64+0xc6/0x1e0 [ 757.111402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.111402][ T7704] [ 757.113945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 757.113945][ T7704] netdev_get_by_index+0x5e/0x80 [ 757.113945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 757.113945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 757.113945][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 757.113945][ T7704] ipv6_add_addr+0x411/0x2000 [ 757.113945][ T7704] inet6_addr_add+0x30e/0xa40 [ 757.113945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 757.113945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.113945][ T7704] netlink_rcv_skb+0x130/0x360 [ 757.113945][ T7704] netlink_unicast+0x449/0x710 [ 757.113945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 757.113945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 757.113945][ T7704] ___sys_sendmsg+0xee/0x170 [ 757.113945][ T7704] __sys_sendmsg+0xcd/0x170 [ 757.113945][ T7704] do_syscall_64+0xc6/0x1e0 [ 757.113945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.113945][ T7704] [ 757.116461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 757.116461][ T7704] netdev_get_by_index+0x5e/0x80 [ 757.116461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 757.116461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 757.116461][ T7704] ip6_route_add+0x1c/0x140 [ 757.116461][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 757.116461][ T7704] addrconf_add_dev+0xe2/0x170 [ 757.116461][ T7704] inet6_addr_add+0x12f/0xa40 [ 757.116461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 757.116461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.116461][ T7704] netlink_rcv_skb+0x130/0x360 [ 757.116461][ T7704] netlink_unicast+0x449/0x710 [ 757.116461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 757.116461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 757.116461][ T7704] ___sys_sendmsg+0xee/0x170 [ 757.116461][ T7704] __sys_sendmsg+0xcd/0x170 [ 757.116461][ T7704] do_syscall_64+0xc6/0x1e0 [ 757.116461][ T7704] [ 757.118983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 757.118983][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 757.118983][ T7704] ipv6_find_idev+0x102/0x170 [ 757.118983][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.118983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.118983][ T7704] netlink_rcv_skb+0x130/0x360 [ 757.118983][ T7704] netlink_unicast+0x449/0x710 [ 757.118983][ T7704] netlink_sendmsg+0x723/0xbe0 [ 757.118983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 757.118983][ T7704] ___sys_sendmsg+0xee/0x170 [ 757.118983][ T7704] __sys_sendmsg+0xcd/0x170 [ 757.118983][ T7704] do_syscall_64+0xc6/0x1e0 [ 757.118983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.118983][ T7704] [ 757.120905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 757.120905][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 757.120905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 757.120905][ T7704] ipv6_find_idev+0x102/0x170 [ 757.120905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.120905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.120905][ T7704] netlink_rcv_skb+0x130/0x360 [ 757.120905][ T7704] netlink_unicast+0x449/0x710 [ 757.120905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 757.120905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 757.120905][ T7704] ___sys_sendmsg+0xee/0x170 [ 757.120905][ T7704] __sys_sendmsg+0xcd/0x170 [ 757.120905][ T7704] do_syscall_64+0xc6/0x1e0 [ 757.120905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.120905][ T7704] [ 767.238923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 767.239375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 767.239375][ T7704] netdev_get_by_index+0x5e/0x80 [ 767.239375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 767.239375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 767.239375][ T7704] ip6_route_add+0x1c/0x140 [ 767.239375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 767.239375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 767.239375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 767.239375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.239375][ T7704] netlink_rcv_skb+0x130/0x360 [ 767.239375][ T7704] netlink_unicast+0x449/0x710 [ 767.239375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 767.239375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 767.239375][ T7704] ___sys_sendmsg+0xee/0x170 [ 767.239375][ T7704] __sys_sendmsg+0xcd/0x170 [ 767.239375][ T7704] do_syscall_64+0xc6/0x1e0 [ 767.239375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.239375][ T7704] [ 767.242117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 767.242117][ T7704] netdev_get_by_index+0x5e/0x80 [ 767.242117][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 767.242117][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 767.242117][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 767.242117][ T7704] ipv6_add_addr+0x411/0x2000 [ 767.242117][ T7704] inet6_addr_add+0x30e/0xa40 [ 767.242117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 767.242117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.242117][ T7704] netlink_rcv_skb+0x130/0x360 [ 767.242117][ T7704] netlink_unicast+0x449/0x710 [ 767.242117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 767.242117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 767.242117][ T7704] ___sys_sendmsg+0xee/0x170 [ 767.242117][ T7704] __sys_sendmsg+0xcd/0x170 [ 767.242117][ T7704] do_syscall_64+0xc6/0x1e0 [ 767.242117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.242117][ T7704] [ 767.244851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 767.244851][ T7704] netdev_get_by_index+0x5e/0x80 [ 767.244851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 767.244851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 767.244851][ T7704] ip6_route_add+0x1c/0x140 [ 767.244851][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 767.244851][ T7704] addrconf_add_dev+0xe2/0x170 [ 767.244851][ T7704] inet6_addr_add+0x12f/0xa40 [ 767.244851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 767.244851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.244851][ T7704] netlink_rcv_skb+0x130/0x360 [ 767.244851][ T7704] netlink_unicast+0x449/0x710 [ 767.244851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 767.244851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 767.244851][ T7704] ___sys_sendmsg+0xee/0x170 [ 767.244851][ T7704] __sys_sendmsg+0xcd/0x170 [ 767.244851][ T7704] do_syscall_64+0xc6/0x1e0 [ 767.244851][ T7704] [ 767.247549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 767.247549][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 767.247549][ T7704] ipv6_find_idev+0x102/0x170 [ 767.247549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.247549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.247549][ T7704] netlink_rcv_skb+0x130/0x360 [ 767.247549][ T7704] netlink_unicast+0x449/0x710 [ 767.247549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 767.247549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 767.247549][ T7704] ___sys_sendmsg+0xee/0x170 [ 767.247549][ T7704] __sys_sendmsg+0xcd/0x170 [ 767.247549][ T7704] do_syscall_64+0xc6/0x1e0 [ 767.247549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.247549][ T7704] [ 767.249644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 767.249644][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 767.249644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 767.249644][ T7704] ipv6_find_idev+0x102/0x170 [ 767.249644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.249644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.249644][ T7704] netlink_rcv_skb+0x130/0x360 [ 767.249644][ T7704] netlink_unicast+0x449/0x710 [ 767.249644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 767.249644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 767.249644][ T7704] ___sys_sendmsg+0xee/0x170 [ 767.249644][ T7704] __sys_sendmsg+0xcd/0x170 [ 767.249644][ T7704] do_syscall_64+0xc6/0x1e0 [ 767.249644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.249644][ T7704] [ 777.454949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 777.455561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 777.455561][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.455561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.455561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.455561][ T7704] ip6_route_add+0x1c/0x140 [ 777.455561][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 777.455561][ T7704] inet6_addr_add+0x4f8/0xa40 [ 777.455561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.455561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.455561][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.455561][ T7704] netlink_unicast+0x449/0x710 [ 777.455561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.455561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.455561][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.455561][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.455561][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.455561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.455561][ T7704] [ 777.459155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 777.459155][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.459155][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.459155][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.459155][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 777.459155][ T7704] ipv6_add_addr+0x411/0x2000 [ 777.459155][ T7704] inet6_addr_add+0x30e/0xa40 [ 777.459155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.459155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.459155][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.459155][ T7704] netlink_unicast+0x449/0x710 [ 777.459155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.459155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.459155][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.459155][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.459155][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.459155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.459155][ T7704] [ 777.462489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 777.462489][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.462489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.462489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.462489][ T7704] ip6_route_add+0x1c/0x140 [ 777.462489][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 777.462489][ T7704] addrconf_add_dev+0xe2/0x170 [ 777.462489][ T7704] inet6_addr_add+0x12f/0xa40 [ 777.462489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.462489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.462489][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.462489][ T7704] netlink_unicast+0x449/0x710 [ 777.462489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.462489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.462489][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.462489][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.462489][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.462489][ T7704] [ 777.466016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 777.466016][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 777.466016][ T7704] ipv6_find_idev+0x102/0x170 [ 777.466016][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.466016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.466016][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.466016][ T7704] netlink_unicast+0x449/0x710 [ 777.466016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.466016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.466016][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.466016][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.466016][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.466016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.466016][ T7704] [ 777.468782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 777.468782][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 777.468782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 777.468782][ T7704] ipv6_find_idev+0x102/0x170 [ 777.468782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.468782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.468782][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.468782][ T7704] netlink_unicast+0x449/0x710 [ 777.468782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.468782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.468782][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.468782][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.468782][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.468782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.468782][ T7704] [ 787.718973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 787.719472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 787.719472][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.719472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.719472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.719472][ T7704] ip6_route_add+0x1c/0x140 [ 787.719472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 787.719472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 787.719472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.719472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.719472][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.719472][ T7704] netlink_unicast+0x449/0x710 [ 787.719472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.719472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.719472][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.719472][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.719472][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.719472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.719472][ T7704] [ 787.721728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 787.721728][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.721728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.721728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.721728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 787.721728][ T7704] ipv6_add_addr+0x411/0x2000 [ 787.721728][ T7704] inet6_addr_add+0x30e/0xa40 [ 787.721728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.721728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.721728][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.721728][ T7704] netlink_unicast+0x449/0x710 [ 787.721728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.721728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.721728][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.721728][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.721728][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.721728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.721728][ T7704] [ 787.723961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 787.723961][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.723961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.723961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.723961][ T7704] ip6_route_add+0x1c/0x140 [ 787.723961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 787.723961][ T7704] addrconf_add_dev+0xe2/0x170 [ 787.723961][ T7704] inet6_addr_add+0x12f/0xa40 [ 787.723961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.723961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.723961][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.723961][ T7704] netlink_unicast+0x449/0x710 [ 787.723961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.723961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.723961][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.723961][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.723961][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.723961][ T7704] [ 787.726164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 787.726164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 787.726164][ T7704] ipv6_find_idev+0x102/0x170 [ 787.726164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.726164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.726164][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.726164][ T7704] netlink_unicast+0x449/0x710 [ 787.726164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.726164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.726164][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.726164][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.726164][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.726164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.726164][ T7704] [ 787.728314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 787.728314][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 787.728314][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 787.728314][ T7704] ipv6_find_idev+0x102/0x170 [ 787.728314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.728314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.728314][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.728314][ T7704] netlink_unicast+0x449/0x710 [ 787.728314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.728314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.728314][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.728314][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.728314][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.728314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.728314][ T7704] [ 797.758897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 797.759395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 797.759395][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.759395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.759395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.759395][ T7704] ip6_route_add+0x1c/0x140 [ 797.759395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 797.759395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 797.759395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.759395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.759395][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.759395][ T7704] netlink_unicast+0x449/0x710 [ 797.759395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.759395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.759395][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.759395][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.759395][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.759395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.759395][ T7704] [ 797.762134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 797.762134][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.762134][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.762134][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.762134][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 797.762134][ T7704] ipv6_add_addr+0x411/0x2000 [ 797.762134][ T7704] inet6_addr_add+0x30e/0xa40 [ 797.762134][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.762134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.762134][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.762134][ T7704] netlink_unicast+0x449/0x710 [ 797.762134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.762134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.762134][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.762134][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.762134][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.762134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.762134][ T7704] [ 797.764856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 797.764856][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.764856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.764856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.764856][ T7704] ip6_route_add+0x1c/0x140 [ 797.764856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 797.764856][ T7704] addrconf_add_dev+0xe2/0x170 [ 797.764856][ T7704] inet6_addr_add+0x12f/0xa40 [ 797.764856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.764856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.764856][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.764856][ T7704] netlink_unicast+0x449/0x710 [ 797.764856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.764856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.764856][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.764856][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.764856][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.764856][ T7704] [ 797.767549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 797.767549][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 797.767549][ T7704] ipv6_find_idev+0x102/0x170 [ 797.767549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 797.767549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.767549][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.767549][ T7704] netlink_unicast+0x449/0x710 [ 797.767549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.767549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.767549][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.767549][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.767549][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.767549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.767549][ T7704] [ 797.769638][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 797.769638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 797.769638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 797.769638][ T7704] ipv6_find_idev+0x102/0x170 [ 797.769638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 797.769638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.769638][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.769638][ T7704] netlink_unicast+0x449/0x710 [ 797.769638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.769638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.769638][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.769638][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.769638][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.769638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.769638][ T7704] [ 808.014988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 808.015559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 808.015559][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.015559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.015559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.015559][ T7704] ip6_route_add+0x1c/0x140 [ 808.015559][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 808.015559][ T7704] inet6_addr_add+0x4f8/0xa40 [ 808.015559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.015559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.015559][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.015559][ T7704] netlink_unicast+0x449/0x710 [ 808.015559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.015559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.015559][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.015559][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.015559][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.015559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.015559][ T7704] [ 808.018308][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 808.018308][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.018308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.018308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.018308][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 808.018308][ T7704] ipv6_add_addr+0x411/0x2000 [ 808.018308][ T7704] inet6_addr_add+0x30e/0xa40 [ 808.018308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.018308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.018308][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.018308][ T7704] netlink_unicast+0x449/0x710 [ 808.018308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.018308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.018308][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.018308][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.018308][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.018308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.018308][ T7704] [ 808.020930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 808.020930][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.020930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.020930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.020930][ T7704] ip6_route_add+0x1c/0x140 [ 808.020930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 808.020930][ T7704] addrconf_add_dev+0xe2/0x170 [ 808.020930][ T7704] inet6_addr_add+0x12f/0xa40 [ 808.020930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.020930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.020930][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.020930][ T7704] netlink_unicast+0x449/0x710 [ 808.020930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.020930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.020930][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.020930][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.020930][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.020930][ T7704] [ 808.023374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 808.023374][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 808.023374][ T7704] ipv6_find_idev+0x102/0x170 [ 808.023374][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.023374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.023374][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.023374][ T7704] netlink_unicast+0x449/0x710 [ 808.023374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.023374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.023374][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.023374][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.023374][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.023374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.023374][ T7704] [ 808.025305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 808.025305][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 808.025305][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 808.025305][ T7704] ipv6_find_idev+0x102/0x170 [ 808.025305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.025305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.025305][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.025305][ T7704] netlink_unicast+0x449/0x710 [ 808.025305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.025305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.025305][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.025305][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.025305][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.025305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.025305][ T7704] [ 818.263041][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 818.263543][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 818.263543][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.263543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.263543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.263543][ T7704] ip6_route_add+0x1c/0x140 [ 818.263543][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 818.263543][ T7704] inet6_addr_add+0x4f8/0xa40 [ 818.263543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.263543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.263543][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.263543][ T7704] netlink_unicast+0x449/0x710 [ 818.263543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.263543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.263543][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.263543][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.263543][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.263543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.263543][ T7704] [ 818.266311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 818.266311][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.266311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.266311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.266311][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 818.266311][ T7704] ipv6_add_addr+0x411/0x2000 [ 818.266311][ T7704] inet6_addr_add+0x30e/0xa40 [ 818.266311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.266311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.266311][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.266311][ T7704] netlink_unicast+0x449/0x710 [ 818.266311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.266311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.266311][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.266311][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.266311][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.266311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.266311][ T7704] [ 818.269045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 818.269045][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.269045][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.269045][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.269045][ T7704] ip6_route_add+0x1c/0x140 [ 818.269045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 818.269045][ T7704] addrconf_add_dev+0xe2/0x170 [ 818.269045][ T7704] inet6_addr_add+0x12f/0xa40 [ 818.269045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.269045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.269045][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.269045][ T7704] netlink_unicast+0x449/0x710 [ 818.269045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.269045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.269045][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.269045][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.269045][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.269045][ T7704] [ 818.271719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 818.271719][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 818.271719][ T7704] ipv6_find_idev+0x102/0x170 [ 818.271719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.271719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.271719][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.271719][ T7704] netlink_unicast+0x449/0x710 [ 818.271719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.271719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.271719][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.271719][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.271719][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.271719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.271719][ T7704] [ 818.273813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 818.273813][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 818.273813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 818.273813][ T7704] ipv6_find_idev+0x102/0x170 [ 818.273813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.273813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.273813][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.273813][ T7704] netlink_unicast+0x449/0x710 [ 818.273813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.273813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.273813][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.273813][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.273813][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.273813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.273813][ T7704] [ 828.446901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 828.447366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 828.447366][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.447366][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.447366][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.447366][ T7704] ip6_route_add+0x1c/0x140 [ 828.447366][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 828.447366][ T7704] inet6_addr_add+0x4f8/0xa40 [ 828.447366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.447366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.447366][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.447366][ T7704] netlink_unicast+0x449/0x710 [ 828.447366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.447366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.447366][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.447366][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.447366][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.447366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.447366][ T7704] [ 828.450079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 828.450079][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.450079][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.450079][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.450079][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 828.450079][ T7704] ipv6_add_addr+0x411/0x2000 [ 828.450079][ T7704] inet6_addr_add+0x30e/0xa40 [ 828.450079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.450079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.450079][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.450079][ T7704] netlink_unicast+0x449/0x710 [ 828.450079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.450079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.450079][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.450079][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.450079][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.450079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.450079][ T7704] [ 828.452809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 828.452809][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.452809][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.452809][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.452809][ T7704] ip6_route_add+0x1c/0x140 [ 828.452809][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 828.452809][ T7704] addrconf_add_dev+0xe2/0x170 [ 828.452809][ T7704] inet6_addr_add+0x12f/0xa40 [ 828.452809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.452809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.452809][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.452809][ T7704] netlink_unicast+0x449/0x710 [ 828.452809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.452809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.452809][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.452809][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.452809][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.452809][ T7704] [ 828.455482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 828.455482][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 828.455482][ T7704] ipv6_find_idev+0x102/0x170 [ 828.455482][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.455482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.455482][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.455482][ T7704] netlink_unicast+0x449/0x710 [ 828.455482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.455482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.455482][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.455482][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.455482][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.455482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.455482][ T7704] [ 828.457574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 828.457574][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 828.457574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 828.457574][ T7704] ipv6_find_idev+0x102/0x170 [ 828.457574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.457574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.457574][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.457574][ T7704] netlink_unicast+0x449/0x710 [ 828.457574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.457574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.457574][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.457574][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.457574][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.457574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.457574][ T7704] [ 838.703007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 838.703528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 838.703528][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.703528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.703528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.703528][ T7704] ip6_route_add+0x1c/0x140 [ 838.703528][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 838.703528][ T7704] inet6_addr_add+0x4f8/0xa40 [ 838.703528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.703528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.703528][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.703528][ T7704] netlink_unicast+0x449/0x710 [ 838.703528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.703528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.703528][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.703528][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.703528][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.703528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.703528][ T7704] [ 838.705794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 838.705794][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.705794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.705794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.705794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 838.705794][ T7704] ipv6_add_addr+0x411/0x2000 [ 838.705794][ T7704] inet6_addr_add+0x30e/0xa40 [ 838.705794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.705794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.705794][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.705794][ T7704] netlink_unicast+0x449/0x710 [ 838.705794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.705794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.705794][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.705794][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.705794][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.705794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.705794][ T7704] [ 838.708125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 838.708125][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.708125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.708125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.708125][ T7704] ip6_route_add+0x1c/0x140 [ 838.708125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 838.708125][ T7704] addrconf_add_dev+0xe2/0x170 [ 838.708125][ T7704] inet6_addr_add+0x12f/0xa40 [ 838.708125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.708125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.708125][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.708125][ T7704] netlink_unicast+0x449/0x710 [ 838.708125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.708125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.708125][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.708125][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.708125][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.708125][ T7704] [ 838.710318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 838.710318][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 838.710318][ T7704] ipv6_find_idev+0x102/0x170 [ 838.710318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 838.710318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.710318][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.710318][ T7704] netlink_unicast+0x449/0x710 [ 838.710318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.710318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.710318][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.710318][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.710318][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.710318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.710318][ T7704] [ 838.712029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 838.712029][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 838.712029][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 838.712029][ T7704] ipv6_find_idev+0x102/0x170 [ 838.712029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 838.712029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.712029][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.712029][ T7704] netlink_unicast+0x449/0x710 [ 838.712029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.712029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.712029][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.712029][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.712029][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.712029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.712029][ T7704] [ 848.950923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 848.951397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 848.951397][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.951397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.951397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.951397][ T7704] ip6_route_add+0x1c/0x140 [ 848.951397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 848.951397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 848.951397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.951397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.951397][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.951397][ T7704] netlink_unicast+0x449/0x710 [ 848.951397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.951397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.951397][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.951397][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.951397][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.951397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.951397][ T7704] [ 848.954109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 848.954109][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.954109][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.954109][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.954109][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 848.954109][ T7704] ipv6_add_addr+0x411/0x2000 [ 848.954109][ T7704] inet6_addr_add+0x30e/0xa40 [ 848.954109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.954109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.954109][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.954109][ T7704] netlink_unicast+0x449/0x710 [ 848.954109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.954109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.954109][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.954109][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.954109][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.954109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.954109][ T7704] [ 848.956429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 848.956429][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.956429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.956429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.956429][ T7704] ip6_route_add+0x1c/0x140 [ 848.956429][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 848.956429][ T7704] addrconf_add_dev+0xe2/0x170 [ 848.956429][ T7704] inet6_addr_add+0x12f/0xa40 [ 848.956429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.956429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.956429][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.956429][ T7704] netlink_unicast+0x449/0x710 [ 848.956429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.956429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.956429][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.956429][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.956429][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.956429][ T7704] [ 848.958787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 848.958787][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 848.958787][ T7704] ipv6_find_idev+0x102/0x170 [ 848.958787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 848.958787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.958787][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.958787][ T7704] netlink_unicast+0x449/0x710 [ 848.958787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.958787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.958787][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.958787][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.958787][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.958787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.958787][ T7704] [ 848.960716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 848.960716][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 848.960716][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 848.960716][ T7704] ipv6_find_idev+0x102/0x170 [ 848.960716][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 848.960716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.960716][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.960716][ T7704] netlink_unicast+0x449/0x710 [ 848.960716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.960716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.960716][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.960716][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.960716][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.960716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.960716][ T7704] [ 859.198898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 859.199371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 859.199371][ T7704] netdev_get_by_index+0x5e/0x80 [ 859.199371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 859.199371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 859.199371][ T7704] ip6_route_add+0x1c/0x140 [ 859.199371][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 859.199371][ T7704] inet6_addr_add+0x4f8/0xa40 [ 859.199371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 859.199371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.199371][ T7704] netlink_rcv_skb+0x130/0x360 [ 859.199371][ T7704] netlink_unicast+0x449/0x710 [ 859.199371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 859.199371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 859.199371][ T7704] ___sys_sendmsg+0xee/0x170 [ 859.199371][ T7704] __sys_sendmsg+0xcd/0x170 [ 859.199371][ T7704] do_syscall_64+0xc6/0x1e0 [ 859.199371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.199371][ T7704] [ 859.201872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 859.201872][ T7704] netdev_get_by_index+0x5e/0x80 [ 859.201872][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 859.201872][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 859.201872][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 859.201872][ T7704] ipv6_add_addr+0x411/0x2000 [ 859.201872][ T7704] inet6_addr_add+0x30e/0xa40 [ 859.201872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 859.201872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.201872][ T7704] netlink_rcv_skb+0x130/0x360 [ 859.201872][ T7704] netlink_unicast+0x449/0x710 [ 859.201872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 859.201872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 859.201872][ T7704] ___sys_sendmsg+0xee/0x170 [ 859.201872][ T7704] __sys_sendmsg+0xcd/0x170 [ 859.201872][ T7704] do_syscall_64+0xc6/0x1e0 [ 859.201872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.201872][ T7704] [ 859.204339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 859.204339][ T7704] netdev_get_by_index+0x5e/0x80 [ 859.204339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 859.204339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 859.204339][ T7704] ip6_route_add+0x1c/0x140 [ 859.204339][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 859.204339][ T7704] addrconf_add_dev+0xe2/0x170 [ 859.204339][ T7704] inet6_addr_add+0x12f/0xa40 [ 859.204339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 859.204339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.204339][ T7704] netlink_rcv_skb+0x130/0x360 [ 859.204339][ T7704] netlink_unicast+0x449/0x710 [ 859.204339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 859.204339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 859.204339][ T7704] ___sys_sendmsg+0xee/0x170 [ 859.204339][ T7704] __sys_sendmsg+0xcd/0x170 [ 859.204339][ T7704] do_syscall_64+0xc6/0x1e0 [ 859.204339][ T7704] [ 859.206776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 859.206776][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 859.206776][ T7704] ipv6_find_idev+0x102/0x170 [ 859.206776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.206776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.206776][ T7704] netlink_rcv_skb+0x130/0x360 [ 859.206776][ T7704] netlink_unicast+0x449/0x710 [ 859.206776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 859.206776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 859.206776][ T7704] ___sys_sendmsg+0xee/0x170 [ 859.206776][ T7704] __sys_sendmsg+0xcd/0x170 [ 859.206776][ T7704] do_syscall_64+0xc6/0x1e0 [ 859.206776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.206776][ T7704] [ 859.208676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 859.208676][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 859.208676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 859.208676][ T7704] ipv6_find_idev+0x102/0x170 [ 859.208676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.208676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.208676][ T7704] netlink_rcv_skb+0x130/0x360 [ 859.208676][ T7704] netlink_unicast+0x449/0x710 [ 859.208676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 859.208676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 859.208676][ T7704] ___sys_sendmsg+0xee/0x170 [ 859.208676][ T7704] __sys_sendmsg+0xcd/0x170 [ 859.208676][ T7704] do_syscall_64+0xc6/0x1e0 [ 859.208676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.208676][ T7704] [ 869.262895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 869.263342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 869.263342][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.263342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.263342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.263342][ T7704] ip6_route_add+0x1c/0x140 [ 869.263342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 869.263342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 869.263342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.263342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.263342][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.263342][ T7704] netlink_unicast+0x449/0x710 [ 869.263342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.263342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.263342][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.263342][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.263342][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.263342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.263342][ T7704] [ 869.265613][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 869.265613][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.265613][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.265613][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.265613][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 869.265613][ T7704] ipv6_add_addr+0x411/0x2000 [ 869.265613][ T7704] inet6_addr_add+0x30e/0xa40 [ 869.265613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.265613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.265613][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.265613][ T7704] netlink_unicast+0x449/0x710 [ 869.265613][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.265613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.265613][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.265613][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.265613][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.265613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.265613][ T7704] [ 869.267884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 869.267884][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.267884][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.267884][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.267884][ T7704] ip6_route_add+0x1c/0x140 [ 869.267884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 869.267884][ T7704] addrconf_add_dev+0xe2/0x170 [ 869.267884][ T7704] inet6_addr_add+0x12f/0xa40 [ 869.267884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.267884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.267884][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.267884][ T7704] netlink_unicast+0x449/0x710 [ 869.267884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.267884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.267884][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.267884][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.267884][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.267884][ T7704] [ 869.270077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 869.270077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 869.270077][ T7704] ipv6_find_idev+0x102/0x170 [ 869.270077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.270077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.270077][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.270077][ T7704] netlink_unicast+0x449/0x710 [ 869.270077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.270077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.270077][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.270077][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.270077][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.270077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.270077][ T7704] [ 869.271792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 869.271792][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 869.271792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 869.271792][ T7704] ipv6_find_idev+0x102/0x170 [ 869.271792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.271792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.271792][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.271792][ T7704] netlink_unicast+0x449/0x710 [ 869.271792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.271792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.271792][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.271792][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.271792][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.271792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.271792][ T7704] [ 879.310933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 879.311369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 879.311369][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.311369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.311369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.311369][ T7704] ip6_route_add+0x1c/0x140 [ 879.311369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 879.311369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 879.311369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.311369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.311369][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.311369][ T7704] netlink_unicast+0x449/0x710 [ 879.311369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.311369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.311369][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.311369][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.311369][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.311369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.311369][ T7704] [ 879.313722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 879.313722][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.313722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.313722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.313722][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 879.313722][ T7704] ipv6_add_addr+0x411/0x2000 [ 879.313722][ T7704] inet6_addr_add+0x30e/0xa40 [ 879.313722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.313722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.313722][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.313722][ T7704] netlink_unicast+0x449/0x710 [ 879.313722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.313722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.313722][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.313722][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.313722][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.313722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.313722][ T7704] [ 879.316009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 879.316009][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.316009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.316009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.316009][ T7704] ip6_route_add+0x1c/0x140 [ 879.316009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 879.316009][ T7704] addrconf_add_dev+0xe2/0x170 [ 879.316009][ T7704] inet6_addr_add+0x12f/0xa40 [ 879.316009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.316009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.316009][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.316009][ T7704] netlink_unicast+0x449/0x710 [ 879.316009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.316009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.316009][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.316009][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.316009][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.316009][ T7704] [ 879.318237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 879.318237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 879.318237][ T7704] ipv6_find_idev+0x102/0x170 [ 879.318237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.318237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.318237][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.318237][ T7704] netlink_unicast+0x449/0x710 [ 879.318237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.318237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.318237][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.318237][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.318237][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.318237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.318237][ T7704] [ 879.319988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 879.319988][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 879.319988][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 879.319988][ T7704] ipv6_find_idev+0x102/0x170 [ 879.319988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.319988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.319988][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.319988][ T7704] netlink_unicast+0x449/0x710 [ 879.319988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.319988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.319988][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.319988][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.319988][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.319988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.319988][ T7704] [ 889.574913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 889.575361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 889.575361][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.575361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.575361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.575361][ T7704] ip6_route_add+0x1c/0x140 [ 889.575361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 889.575361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 889.575361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.575361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.575361][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.575361][ T7704] netlink_unicast+0x449/0x710 [ 889.575361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.575361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.575361][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.575361][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.575361][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.575361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.575361][ T7704] [ 889.577617][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 889.577617][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.577617][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.577617][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.577617][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 889.577617][ T7704] ipv6_add_addr+0x411/0x2000 [ 889.577617][ T7704] inet6_addr_add+0x30e/0xa40 [ 889.577617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.577617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.577617][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.577617][ T7704] netlink_unicast+0x449/0x710 [ 889.577617][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.577617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.577617][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.577617][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.577617][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.577617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.577617][ T7704] [ 889.579856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 889.579856][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.579856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.579856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.579856][ T7704] ip6_route_add+0x1c/0x140 [ 889.579856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 889.579856][ T7704] addrconf_add_dev+0xe2/0x170 [ 889.579856][ T7704] inet6_addr_add+0x12f/0xa40 [ 889.579856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.579856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.579856][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.579856][ T7704] netlink_unicast+0x449/0x710 [ 889.579856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.579856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.579856][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.579856][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.579856][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.579856][ T7704] [ 889.582758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 889.582758][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 889.582758][ T7704] ipv6_find_idev+0x102/0x170 [ 889.582758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.582758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.582758][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.582758][ T7704] netlink_unicast+0x449/0x710 [ 889.582758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.582758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.582758][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.582758][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.582758][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.582758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.582758][ T7704] [ 889.585505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 889.585505][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 889.585505][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 889.585505][ T7704] ipv6_find_idev+0x102/0x170 [ 889.585505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.585505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.585505][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.585505][ T7704] netlink_unicast+0x449/0x710 [ 889.585505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.585505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.585505][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.585505][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.585505][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.585505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.585505][ T7704] [ 899.838935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 899.839371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 899.839371][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.839371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.839371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.839371][ T7704] ip6_route_add+0x1c/0x140 [ 899.839371][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 899.839371][ T7704] inet6_addr_add+0x4f8/0xa40 [ 899.839371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.839371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.839371][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.839371][ T7704] netlink_unicast+0x449/0x710 [ 899.839371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.839371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.839371][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.839371][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.839371][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.839371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.839371][ T7704] [ 899.841889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 899.841889][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.841889][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.841889][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.841889][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 899.841889][ T7704] ipv6_add_addr+0x411/0x2000 [ 899.841889][ T7704] inet6_addr_add+0x30e/0xa40 [ 899.841889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.841889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.841889][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.841889][ T7704] netlink_unicast+0x449/0x710 [ 899.841889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.841889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.841889][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.841889][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.841889][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.841889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.841889][ T7704] [ 899.845477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 899.845477][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.845477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.845477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.845477][ T7704] ip6_route_add+0x1c/0x140 [ 899.845477][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 899.845477][ T7704] addrconf_add_dev+0xe2/0x170 [ 899.845477][ T7704] inet6_addr_add+0x12f/0xa40 [ 899.845477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.845477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.845477][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.845477][ T7704] netlink_unicast+0x449/0x710 [ 899.845477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.845477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.845477][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.845477][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.845477][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.845477][ T7704] [ 899.848489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 899.848489][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 899.848489][ T7704] ipv6_find_idev+0x102/0x170 [ 899.848489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.848489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.848489][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.848489][ T7704] netlink_unicast+0x449/0x710 [ 899.848489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.848489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.848489][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.848489][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.848489][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.848489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.848489][ T7704] [ 899.850410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 899.850410][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 899.850410][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 899.850410][ T7704] ipv6_find_idev+0x102/0x170 [ 899.850410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.850410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.850410][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.850410][ T7704] netlink_unicast+0x449/0x710 [ 899.850410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.850410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.850410][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.850410][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.850410][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.850410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.850410][ T7704] [ 909.942951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 909.943644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 909.943644][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.943644][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.943644][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.943644][ T7704] ip6_route_add+0x1c/0x140 [ 909.943644][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 909.943644][ T7704] inet6_addr_add+0x4f8/0xa40 [ 909.943644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.943644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.943644][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.943644][ T7704] netlink_unicast+0x449/0x710 [ 909.943644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.943644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.943644][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.943644][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.943644][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.943644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.943644][ T7704] [ 909.946938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 909.946938][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.946938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.946938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.946938][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 909.946938][ T7704] ipv6_add_addr+0x411/0x2000 [ 909.946938][ T7704] inet6_addr_add+0x30e/0xa40 [ 909.946938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.946938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.946938][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.946938][ T7704] netlink_unicast+0x449/0x710 [ 909.946938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.946938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.946938][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.946938][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.946938][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.946938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.946938][ T7704] [ 909.949605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 909.949605][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.949605][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.949605][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.949605][ T7704] ip6_route_add+0x1c/0x140 [ 909.949605][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 909.949605][ T7704] addrconf_add_dev+0xe2/0x170 [ 909.949605][ T7704] inet6_addr_add+0x12f/0xa40 [ 909.949605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.949605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.949605][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.949605][ T7704] netlink_unicast+0x449/0x710 [ 909.949605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.949605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.949605][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.949605][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.949605][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.949605][ T7704] [ 909.952253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 909.952253][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 909.952253][ T7704] ipv6_find_idev+0x102/0x170 [ 909.952253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.952253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.952253][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.952253][ T7704] netlink_unicast+0x449/0x710 [ 909.952253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.952253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.952253][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.952253][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.952253][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.952253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.952253][ T7704] [ 909.954399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 909.954399][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 909.954399][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 909.954399][ T7704] ipv6_find_idev+0x102/0x170 [ 909.954399][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.954399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.954399][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.954399][ T7704] netlink_unicast+0x449/0x710 [ 909.954399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.954399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.954399][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.954399][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.954399][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.954399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.954399][ T7704] [ 920.198922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 920.199542][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 920.199542][ T7704] netdev_get_by_index+0x5e/0x80 [ 920.199542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 920.199542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 920.199542][ T7704] ip6_route_add+0x1c/0x140 [ 920.199542][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 920.199542][ T7704] inet6_addr_add+0x4f8/0xa40 [ 920.199542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 920.199542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.199542][ T7704] netlink_rcv_skb+0x130/0x360 [ 920.199542][ T7704] netlink_unicast+0x449/0x710 [ 920.199542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 920.199542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 920.199542][ T7704] ___sys_sendmsg+0xee/0x170 [ 920.199542][ T7704] __sys_sendmsg+0xcd/0x170 [ 920.199542][ T7704] do_syscall_64+0xc6/0x1e0 [ 920.199542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.199542][ T7704] [ 920.203088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 920.203088][ T7704] netdev_get_by_index+0x5e/0x80 [ 920.203088][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 920.203088][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 920.203088][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 920.203088][ T7704] ipv6_add_addr+0x411/0x2000 [ 920.203088][ T7704] inet6_addr_add+0x30e/0xa40 [ 920.203088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 920.203088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.203088][ T7704] netlink_rcv_skb+0x130/0x360 [ 920.203088][ T7704] netlink_unicast+0x449/0x710 [ 920.203088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 920.203088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 920.203088][ T7704] ___sys_sendmsg+0xee/0x170 [ 920.203088][ T7704] __sys_sendmsg+0xcd/0x170 [ 920.203088][ T7704] do_syscall_64+0xc6/0x1e0 [ 920.203088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.203088][ T7704] [ 920.206511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 920.206511][ T7704] netdev_get_by_index+0x5e/0x80 [ 920.206511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 920.206511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 920.206511][ T7704] ip6_route_add+0x1c/0x140 [ 920.206511][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 920.206511][ T7704] addrconf_add_dev+0xe2/0x170 [ 920.206511][ T7704] inet6_addr_add+0x12f/0xa40 [ 920.206511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 920.206511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.206511][ T7704] netlink_rcv_skb+0x130/0x360 [ 920.206511][ T7704] netlink_unicast+0x449/0x710 [ 920.206511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 920.206511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 920.206511][ T7704] ___sys_sendmsg+0xee/0x170 [ 920.206511][ T7704] __sys_sendmsg+0xcd/0x170 [ 920.206511][ T7704] do_syscall_64+0xc6/0x1e0 [ 920.206511][ T7704] [ 920.209600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 920.209600][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 920.209600][ T7704] ipv6_find_idev+0x102/0x170 [ 920.209600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.209600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.209600][ T7704] netlink_rcv_skb+0x130/0x360 [ 920.209600][ T7704] netlink_unicast+0x449/0x710 [ 920.209600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 920.209600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 920.209600][ T7704] ___sys_sendmsg+0xee/0x170 [ 920.209600][ T7704] __sys_sendmsg+0xcd/0x170 [ 920.209600][ T7704] do_syscall_64+0xc6/0x1e0 [ 920.209600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.209600][ T7704] [ 920.211995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 920.211995][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 920.211995][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 920.211995][ T7704] ipv6_find_idev+0x102/0x170 [ 920.211995][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.211995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.211995][ T7704] netlink_rcv_skb+0x130/0x360 [ 920.211995][ T7704] netlink_unicast+0x449/0x710 [ 920.211995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 920.211995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 920.211995][ T7704] ___sys_sendmsg+0xee/0x170 [ 920.211995][ T7704] __sys_sendmsg+0xcd/0x170 [ 920.211995][ T7704] do_syscall_64+0xc6/0x1e0 [ 920.211995][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.211995][ T7704] [ 930.454953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 930.455574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 930.455574][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.455574][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.455574][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.455574][ T7704] ip6_route_add+0x1c/0x140 [ 930.455574][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 930.455574][ T7704] inet6_addr_add+0x4f8/0xa40 [ 930.455574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.455574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.455574][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.455574][ T7704] netlink_unicast+0x449/0x710 [ 930.455574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.455574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.455574][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.455574][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.455574][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.455574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.455574][ T7704] [ 930.459035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 930.459035][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.459035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.459035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.459035][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 930.459035][ T7704] ipv6_add_addr+0x411/0x2000 [ 930.459035][ T7704] inet6_addr_add+0x30e/0xa40 [ 930.459035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.459035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.459035][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.459035][ T7704] netlink_unicast+0x449/0x710 [ 930.459035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.459035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.459035][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.459035][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.459035][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.459035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.459035][ T7704] [ 930.462586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 930.462586][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.462586][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.462586][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.462586][ T7704] ip6_route_add+0x1c/0x140 [ 930.462586][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 930.462586][ T7704] addrconf_add_dev+0xe2/0x170 [ 930.462586][ T7704] inet6_addr_add+0x12f/0xa40 [ 930.462586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.462586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.462586][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.462586][ T7704] netlink_unicast+0x449/0x710 [ 930.462586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.462586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.462586][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.462586][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.462586][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.462586][ T7704] [ 930.466082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 930.466082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 930.466082][ T7704] ipv6_find_idev+0x102/0x170 [ 930.466082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.466082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.466082][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.466082][ T7704] netlink_unicast+0x449/0x710 [ 930.466082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.466082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.466082][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.466082][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.466082][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.466082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.466082][ T7704] [ 930.468774][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 930.468774][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 930.468774][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 930.468774][ T7704] ipv6_find_idev+0x102/0x170 [ 930.468774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.468774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.468774][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.468774][ T7704] netlink_unicast+0x449/0x710 [ 930.468774][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.468774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.468774][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.468774][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.468774][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.468774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.468774][ T7704] [ 940.710956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 940.711576][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 940.711576][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.711576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.711576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.711576][ T7704] ip6_route_add+0x1c/0x140 [ 940.711576][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 940.711576][ T7704] inet6_addr_add+0x4f8/0xa40 [ 940.711576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.711576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.711576][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.711576][ T7704] netlink_unicast+0x449/0x710 [ 940.711576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.711576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.711576][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.711576][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.711576][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.711576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.711576][ T7704] [ 940.715150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 940.715150][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.715150][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.715150][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.715150][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 940.715150][ T7704] ipv6_add_addr+0x411/0x2000 [ 940.715150][ T7704] inet6_addr_add+0x30e/0xa40 [ 940.715150][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.715150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.715150][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.715150][ T7704] netlink_unicast+0x449/0x710 [ 940.715150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.715150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.715150][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.715150][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.715150][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.715150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.715150][ T7704] [ 940.718700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 940.718700][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.718700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.718700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.718700][ T7704] ip6_route_add+0x1c/0x140 [ 940.718700][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 940.718700][ T7704] addrconf_add_dev+0xe2/0x170 [ 940.718700][ T7704] inet6_addr_add+0x12f/0xa40 [ 940.718700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.718700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.718700][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.718700][ T7704] netlink_unicast+0x449/0x710 [ 940.718700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.718700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.718700][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.718700][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.718700][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.718700][ T7704] [ 940.722195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 940.722195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 940.722195][ T7704] ipv6_find_idev+0x102/0x170 [ 940.722195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.722195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.722195][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.722195][ T7704] netlink_unicast+0x449/0x710 [ 940.722195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.722195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.722195][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.722195][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.722195][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.722195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.722195][ T7704] [ 940.724676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 940.724676][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 940.724676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 940.724676][ T7704] ipv6_find_idev+0x102/0x170 [ 940.724676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.724676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.724676][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.724676][ T7704] netlink_unicast+0x449/0x710 [ 940.724676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.724676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.724676][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.724676][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.724676][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.724676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.724676][ T7704] [ 950.910923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 950.911432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 950.911432][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.911432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.911432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.911432][ T7704] ip6_route_add+0x1c/0x140 [ 950.911432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 950.911432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 950.911432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.911432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.911432][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.911432][ T7704] netlink_unicast+0x449/0x710 [ 950.911432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.911432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.911432][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.911432][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.911432][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.911432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.911432][ T7704] [ 950.913721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 950.913721][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.913721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.913721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.913721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 950.913721][ T7704] ipv6_add_addr+0x411/0x2000 [ 950.913721][ T7704] inet6_addr_add+0x30e/0xa40 [ 950.913721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.913721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.913721][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.913721][ T7704] netlink_unicast+0x449/0x710 [ 950.913721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.913721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.913721][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.913721][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.913721][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.913721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.913721][ T7704] [ 950.916017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 950.916017][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.916017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.916017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.916017][ T7704] ip6_route_add+0x1c/0x140 [ 950.916017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 950.916017][ T7704] addrconf_add_dev+0xe2/0x170 [ 950.916017][ T7704] inet6_addr_add+0x12f/0xa40 [ 950.916017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.916017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.916017][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.916017][ T7704] netlink_unicast+0x449/0x710 [ 950.916017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.916017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.916017][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.916017][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.916017][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.916017][ T7704] [ 950.918260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 950.918260][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 950.918260][ T7704] ipv6_find_idev+0x102/0x170 [ 950.918260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.918260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.918260][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.918260][ T7704] netlink_unicast+0x449/0x710 [ 950.918260][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.918260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.918260][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.918260][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.918260][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.918260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.918260][ T7704] [ 950.920002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 950.920002][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 950.920002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 950.920002][ T7704] ipv6_find_idev+0x102/0x170 [ 950.920002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.920002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.920002][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.920002][ T7704] netlink_unicast+0x449/0x710 [ 950.920002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.920002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.920002][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.920002][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.920002][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.920002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.920002][ T7704] [ 961.158937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 961.159447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 961.159447][ T7704] netdev_get_by_index+0x5e/0x80 [ 961.159447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 961.159447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 961.159447][ T7704] ip6_route_add+0x1c/0x140 [ 961.159447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 961.159447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 961.159447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 961.159447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.159447][ T7704] netlink_rcv_skb+0x130/0x360 [ 961.159447][ T7704] netlink_unicast+0x449/0x710 [ 961.159447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 961.159447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 961.159447][ T7704] ___sys_sendmsg+0xee/0x170 [ 961.159447][ T7704] __sys_sendmsg+0xcd/0x170 [ 961.159447][ T7704] do_syscall_64+0xc6/0x1e0 [ 961.159447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.159447][ T7704] [ 961.161765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 961.161765][ T7704] netdev_get_by_index+0x5e/0x80 [ 961.161765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 961.161765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 961.161765][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 961.161765][ T7704] ipv6_add_addr+0x411/0x2000 [ 961.161765][ T7704] inet6_addr_add+0x30e/0xa40 [ 961.161765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 961.161765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.161765][ T7704] netlink_rcv_skb+0x130/0x360 [ 961.161765][ T7704] netlink_unicast+0x449/0x710 [ 961.161765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 961.161765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 961.161765][ T7704] ___sys_sendmsg+0xee/0x170 [ 961.161765][ T7704] __sys_sendmsg+0xcd/0x170 [ 961.161765][ T7704] do_syscall_64+0xc6/0x1e0 [ 961.161765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.161765][ T7704] [ 961.164060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 961.164060][ T7704] netdev_get_by_index+0x5e/0x80 [ 961.164060][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 961.164060][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 961.164060][ T7704] ip6_route_add+0x1c/0x140 [ 961.164060][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 961.164060][ T7704] addrconf_add_dev+0xe2/0x170 [ 961.164060][ T7704] inet6_addr_add+0x12f/0xa40 [ 961.164060][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 961.164060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.164060][ T7704] netlink_rcv_skb+0x130/0x360 [ 961.164060][ T7704] netlink_unicast+0x449/0x710 [ 961.164060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 961.164060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 961.164060][ T7704] ___sys_sendmsg+0xee/0x170 [ 961.164060][ T7704] __sys_sendmsg+0xcd/0x170 [ 961.164060][ T7704] do_syscall_64+0xc6/0x1e0 [ 961.164060][ T7704] [ 961.166329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 961.166329][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 961.166329][ T7704] ipv6_find_idev+0x102/0x170 [ 961.166329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.166329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.166329][ T7704] netlink_rcv_skb+0x130/0x360 [ 961.166329][ T7704] netlink_unicast+0x449/0x710 [ 961.166329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 961.166329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 961.166329][ T7704] ___sys_sendmsg+0xee/0x170 [ 961.166329][ T7704] __sys_sendmsg+0xcd/0x170 [ 961.166329][ T7704] do_syscall_64+0xc6/0x1e0 [ 961.166329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.166329][ T7704] [ 961.168090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 961.168090][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 961.168090][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 961.168090][ T7704] ipv6_find_idev+0x102/0x170 [ 961.168090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.168090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.168090][ T7704] netlink_rcv_skb+0x130/0x360 [ 961.168090][ T7704] netlink_unicast+0x449/0x710 [ 961.168090][ T7704] netlink_sendmsg+0x723/0xbe0 [ 961.168090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 961.168090][ T7704] ___sys_sendmsg+0xee/0x170 [ 961.168090][ T7704] __sys_sendmsg+0xcd/0x170 [ 961.168090][ T7704] do_syscall_64+0xc6/0x1e0 [ 961.168090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.168090][ T7704] [ 971.407005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 971.407535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 971.407535][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.407535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.407535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.407535][ T7704] ip6_route_add+0x1c/0x140 [ 971.407535][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 971.407535][ T7704] inet6_addr_add+0x4f8/0xa40 [ 971.407535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.407535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.407535][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.407535][ T7704] netlink_unicast+0x449/0x710 [ 971.407535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.407535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.407535][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.407535][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.407535][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.407535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.407535][ T7704] [ 971.410288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 971.410288][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.410288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.410288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.410288][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 971.410288][ T7704] ipv6_add_addr+0x411/0x2000 [ 971.410288][ T7704] inet6_addr_add+0x30e/0xa40 [ 971.410288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.410288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.410288][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.410288][ T7704] netlink_unicast+0x449/0x710 [ 971.410288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.410288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.410288][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.410288][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.410288][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.410288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.410288][ T7704] [ 971.413030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 971.413030][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.413030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.413030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.413030][ T7704] ip6_route_add+0x1c/0x140 [ 971.413030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 971.413030][ T7704] addrconf_add_dev+0xe2/0x170 [ 971.413030][ T7704] inet6_addr_add+0x12f/0xa40 [ 971.413030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.413030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.413030][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.413030][ T7704] netlink_unicast+0x449/0x710 [ 971.413030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.413030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.413030][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.413030][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.413030][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.413030][ T7704] [ 971.415742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 971.415742][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 971.415742][ T7704] ipv6_find_idev+0x102/0x170 [ 971.415742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.415742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.415742][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.415742][ T7704] netlink_unicast+0x449/0x710 [ 971.415742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.415742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.415742][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.415742][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.415742][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.415742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.415742][ T7704] [ 971.417846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 971.417846][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 971.417846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 971.417846][ T7704] ipv6_find_idev+0x102/0x170 [ 971.417846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.417846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.417846][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.417846][ T7704] netlink_unicast+0x449/0x710 [ 971.417846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.417846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.417846][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.417846][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.417846][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.417846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.417846][ T7704] [ 981.662994][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 981.663528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 981.663528][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.663528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.663528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.663528][ T7704] ip6_route_add+0x1c/0x140 [ 981.663528][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 981.663528][ T7704] inet6_addr_add+0x4f8/0xa40 [ 981.663528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.663528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.663528][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.663528][ T7704] netlink_unicast+0x449/0x710 [ 981.663528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.663528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.663528][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.663528][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.663528][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.663528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.663528][ T7704] [ 981.666296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 981.666296][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.666296][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.666296][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.666296][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 981.666296][ T7704] ipv6_add_addr+0x411/0x2000 [ 981.666296][ T7704] inet6_addr_add+0x30e/0xa40 [ 981.666296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.666296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.666296][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.666296][ T7704] netlink_unicast+0x449/0x710 [ 981.666296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.666296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.666296][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.666296][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.666296][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.666296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.666296][ T7704] [ 981.669032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 981.669032][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.669032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.669032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.669032][ T7704] ip6_route_add+0x1c/0x140 [ 981.669032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 981.669032][ T7704] addrconf_add_dev+0xe2/0x170 [ 981.669032][ T7704] inet6_addr_add+0x12f/0xa40 [ 981.669032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.669032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.669032][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.669032][ T7704] netlink_unicast+0x449/0x710 [ 981.669032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.669032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.669032][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.669032][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.669032][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.669032][ T7704] [ 981.671714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 981.671714][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 981.671714][ T7704] ipv6_find_idev+0x102/0x170 [ 981.671714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.671714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.671714][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.671714][ T7704] netlink_unicast+0x449/0x710 [ 981.671714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.671714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.671714][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.671714][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.671714][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.671714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.671714][ T7704] [ 981.673817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 981.673817][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 981.673817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 981.673817][ T7704] ipv6_find_idev+0x102/0x170 [ 981.673817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.673817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.673817][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.673817][ T7704] netlink_unicast+0x449/0x710 [ 981.673817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.673817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.673817][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.673817][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.673817][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.673817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.673817][ T7704] [ 991.734993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 991.735523][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 991.735523][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.735523][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.735523][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.735523][ T7704] ip6_route_add+0x1c/0x140 [ 991.735523][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 991.735523][ T7704] inet6_addr_add+0x4f8/0xa40 [ 991.735523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.735523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.735523][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.735523][ T7704] netlink_unicast+0x449/0x710 [ 991.735523][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.735523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.735523][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.735523][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.735523][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.735523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.735523][ T7704] [ 991.737848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 991.737848][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.737848][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.737848][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.737848][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 991.737848][ T7704] ipv6_add_addr+0x411/0x2000 [ 991.737848][ T7704] inet6_addr_add+0x30e/0xa40 [ 991.737848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.737848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.737848][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.737848][ T7704] netlink_unicast+0x449/0x710 [ 991.737848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.737848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.737848][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.737848][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.737848][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.737848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.737848][ T7704] [ 991.740109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 991.740109][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.740109][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.740109][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.740109][ T7704] ip6_route_add+0x1c/0x140 [ 991.740109][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 991.740109][ T7704] addrconf_add_dev+0xe2/0x170 [ 991.740109][ T7704] inet6_addr_add+0x12f/0xa40 [ 991.740109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.740109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.740109][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.740109][ T7704] netlink_unicast+0x449/0x710 [ 991.740109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.740109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.740109][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.740109][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.740109][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.740109][ T7704] [ 991.742337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 991.742337][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 991.742337][ T7704] ipv6_find_idev+0x102/0x170 [ 991.742337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.742337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.742337][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.742337][ T7704] netlink_unicast+0x449/0x710 [ 991.742337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.742337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.742337][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.742337][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.742337][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.742337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.742337][ T7704] [ 991.744073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 991.744073][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 991.744073][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 991.744073][ T7704] ipv6_find_idev+0x102/0x170 [ 991.744073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.744073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.744073][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.744073][ T7704] netlink_unicast+0x449/0x710 [ 991.744073][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.744073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.744073][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.744073][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.744073][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.744073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.744073][ T7704] [ 1001.999079][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1001.999609][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1001.999609][ T7704] netdev_get_by_index+0x5e/0x80 [ 1001.999609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1001.999609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1001.999609][ T7704] ip6_route_add+0x1c/0x140 [ 1001.999609][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1001.999609][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1001.999609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.999609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.999609][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.999609][ T7704] netlink_unicast+0x449/0x710 [ 1001.999609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.999609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.999609][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.999609][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.999609][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.999609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.999609][ T7704] [ 1002.001887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1002.001887][ T7704] netdev_get_by_index+0x5e/0x80 [ 1002.001887][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1002.001887][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1002.001887][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1002.001887][ T7704] ipv6_add_addr+0x411/0x2000 [ 1002.001887][ T7704] inet6_addr_add+0x30e/0xa40 [ 1002.001887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.001887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.001887][ T7704] netlink_rcv_skb+0x130/0x360 [ 1002.001887][ T7704] netlink_unicast+0x449/0x710 [ 1002.001887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1002.001887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1002.001887][ T7704] ___sys_sendmsg+0xee/0x170 [ 1002.001887][ T7704] __sys_sendmsg+0xcd/0x170 [ 1002.001887][ T7704] do_syscall_64+0xc6/0x1e0 [ 1002.001887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.001887][ T7704] [ 1002.004154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1002.004154][ T7704] netdev_get_by_index+0x5e/0x80 [ 1002.004154][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1002.004154][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1002.004154][ T7704] ip6_route_add+0x1c/0x140 [ 1002.004154][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1002.004154][ T7704] addrconf_add_dev+0xe2/0x170 [ 1002.004154][ T7704] inet6_addr_add+0x12f/0xa40 [ 1002.004154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.004154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.004154][ T7704] netlink_rcv_skb+0x130/0x360 [ 1002.004154][ T7704] netlink_unicast+0x449/0x710 [ 1002.004154][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1002.004154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1002.004154][ T7704] ___sys_sendmsg+0xee/0x170 [ 1002.004154][ T7704] __sys_sendmsg+0xcd/0x170 [ 1002.004154][ T7704] do_syscall_64+0xc6/0x1e0 [ 1002.004154][ T7704] [ 1002.006384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1002.006384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1002.006384][ T7704] ipv6_find_idev+0x102/0x170 [ 1002.006384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.006384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.006384][ T7704] netlink_rcv_skb+0x130/0x360 [ 1002.006384][ T7704] netlink_unicast+0x449/0x710 [ 1002.006384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1002.006384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1002.006384][ T7704] ___sys_sendmsg+0xee/0x170 [ 1002.006384][ T7704] __sys_sendmsg+0xcd/0x170 [ 1002.006384][ T7704] do_syscall_64+0xc6/0x1e0 [ 1002.006384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.006384][ T7704] [ 1002.008201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1002.008201][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1002.008201][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1002.008201][ T7704] ipv6_find_idev+0x102/0x170 [ 1002.008201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.008201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.008201][ T7704] netlink_rcv_skb+0x130/0x360 [ 1002.008201][ T7704] netlink_unicast+0x449/0x710 [ 1002.008201][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1002.008201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1002.008201][ T7704] ___sys_sendmsg+0xee/0x170 [ 1002.008201][ T7704] __sys_sendmsg+0xcd/0x170 [ 1002.008201][ T7704] do_syscall_64+0xc6/0x1e0 [ 1002.008201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.008201][ T7704] [ 1012.262913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1012.263406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1012.263406][ T7704] netdev_get_by_index+0x5e/0x80 [ 1012.263406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1012.263406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1012.263406][ T7704] ip6_route_add+0x1c/0x140 [ 1012.263406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1012.263406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1012.263406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.263406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.263406][ T7704] netlink_rcv_skb+0x130/0x360 [ 1012.263406][ T7704] netlink_unicast+0x449/0x710 [ 1012.263406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1012.263406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1012.263406][ T7704] ___sys_sendmsg+0xee/0x170 [ 1012.263406][ T7704] __sys_sendmsg+0xcd/0x170 [ 1012.263406][ T7704] do_syscall_64+0xc6/0x1e0 [ 1012.263406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.263406][ T7704] [ 1012.265892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1012.265892][ T7704] netdev_get_by_index+0x5e/0x80 [ 1012.265892][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1012.265892][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1012.265892][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1012.265892][ T7704] ipv6_add_addr+0x411/0x2000 [ 1012.265892][ T7704] inet6_addr_add+0x30e/0xa40 [ 1012.265892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.265892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.265892][ T7704] netlink_rcv_skb+0x130/0x360 [ 1012.265892][ T7704] netlink_unicast+0x449/0x710 [ 1012.265892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1012.265892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1012.265892][ T7704] ___sys_sendmsg+0xee/0x170 [ 1012.265892][ T7704] __sys_sendmsg+0xcd/0x170 [ 1012.265892][ T7704] do_syscall_64+0xc6/0x1e0 [ 1012.265892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.265892][ T7704] [ 1012.268349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1012.268349][ T7704] netdev_get_by_index+0x5e/0x80 [ 1012.268349][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1012.268349][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1012.268349][ T7704] ip6_route_add+0x1c/0x140 [ 1012.268349][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1012.268349][ T7704] addrconf_add_dev+0xe2/0x170 [ 1012.268349][ T7704] inet6_addr_add+0x12f/0xa40 [ 1012.268349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.268349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.268349][ T7704] netlink_rcv_skb+0x130/0x360 [ 1012.268349][ T7704] netlink_unicast+0x449/0x710 [ 1012.268349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1012.268349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1012.268349][ T7704] ___sys_sendmsg+0xee/0x170 [ 1012.268349][ T7704] __sys_sendmsg+0xcd/0x170 [ 1012.268349][ T7704] do_syscall_64+0xc6/0x1e0 [ 1012.268349][ T7704] [ 1012.270779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1012.270779][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1012.270779][ T7704] ipv6_find_idev+0x102/0x170 [ 1012.270779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.270779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.270779][ T7704] netlink_rcv_skb+0x130/0x360 [ 1012.270779][ T7704] netlink_unicast+0x449/0x710 [ 1012.270779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1012.270779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1012.270779][ T7704] ___sys_sendmsg+0xee/0x170 [ 1012.270779][ T7704] __sys_sendmsg+0xcd/0x170 [ 1012.270779][ T7704] do_syscall_64+0xc6/0x1e0 [ 1012.270779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.270779][ T7704] [ 1012.272673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1012.272673][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1012.272673][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1012.272673][ T7704] ipv6_find_idev+0x102/0x170 [ 1012.272673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.272673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.272673][ T7704] netlink_rcv_skb+0x130/0x360 [ 1012.272673][ T7704] netlink_unicast+0x449/0x710 [ 1012.272673][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1012.272673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1012.272673][ T7704] ___sys_sendmsg+0xee/0x170 [ 1012.272673][ T7704] __sys_sendmsg+0xcd/0x170 [ 1012.272673][ T7704] do_syscall_64+0xc6/0x1e0 [ 1012.272673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.272673][ T7704] [ 1022.502918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1022.503529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1022.503529][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.503529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.503529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.503529][ T7704] ip6_route_add+0x1c/0x140 [ 1022.503529][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1022.503529][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1022.503529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.503529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.503529][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.503529][ T7704] netlink_unicast+0x449/0x710 [ 1022.503529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.503529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.503529][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.503529][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.503529][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.503529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.503529][ T7704] [ 1022.507375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1022.507375][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.507375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.507375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.507375][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1022.507375][ T7704] ipv6_add_addr+0x411/0x2000 [ 1022.507375][ T7704] inet6_addr_add+0x30e/0xa40 [ 1022.507375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.507375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.507375][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.507375][ T7704] netlink_unicast+0x449/0x710 [ 1022.507375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.507375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.507375][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.507375][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.507375][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.507375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.507375][ T7704] [ 1022.511112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1022.511112][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.511112][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.511112][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.511112][ T7704] ip6_route_add+0x1c/0x140 [ 1022.511112][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1022.511112][ T7704] addrconf_add_dev+0xe2/0x170 [ 1022.511112][ T7704] inet6_addr_add+0x12f/0xa40 [ 1022.511112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.511112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.511112][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.511112][ T7704] netlink_unicast+0x449/0x710 [ 1022.511112][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.511112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.511112][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.511112][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.511112][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.511112][ T7704] [ 1022.514660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1022.514660][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1022.514660][ T7704] ipv6_find_idev+0x102/0x170 [ 1022.514660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.514660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.514660][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.514660][ T7704] netlink_unicast+0x449/0x710 [ 1022.514660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.514660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.514660][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.514660][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.514660][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.514660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.514660][ T7704] [ 1022.517505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1022.517505][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1022.517505][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1022.517505][ T7704] ipv6_find_idev+0x102/0x170 [ 1022.517505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.517505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.517505][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.517505][ T7704] netlink_unicast+0x449/0x710 [ 1022.517505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.517505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.517505][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.517505][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.517505][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.517505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.517505][ T7704] [ 1032.758912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1032.759441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1032.759441][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.759441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.759441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.759441][ T7704] ip6_route_add+0x1c/0x140 [ 1032.759441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1032.759441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1032.759441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.759441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.759441][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.759441][ T7704] netlink_unicast+0x449/0x710 [ 1032.759441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.759441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.759441][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.759441][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.759441][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.759441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.759441][ T7704] [ 1032.761788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1032.761788][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.761788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.761788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.761788][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1032.761788][ T7704] ipv6_add_addr+0x411/0x2000 [ 1032.761788][ T7704] inet6_addr_add+0x30e/0xa40 [ 1032.761788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.761788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.761788][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.761788][ T7704] netlink_unicast+0x449/0x710 [ 1032.761788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.761788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.761788][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.761788][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.761788][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.761788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.761788][ T7704] [ 1032.764032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1032.764032][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.764032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.764032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.764032][ T7704] ip6_route_add+0x1c/0x140 [ 1032.764032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1032.764032][ T7704] addrconf_add_dev+0xe2/0x170 [ 1032.764032][ T7704] inet6_addr_add+0x12f/0xa40 [ 1032.764032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.764032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.764032][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.764032][ T7704] netlink_unicast+0x449/0x710 [ 1032.764032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.764032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.764032][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.764032][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.764032][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.764032][ T7704] [ 1032.766447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1032.766447][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1032.766447][ T7704] ipv6_find_idev+0x102/0x170 [ 1032.766447][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.766447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.766447][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.766447][ T7704] netlink_unicast+0x449/0x710 [ 1032.766447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.766447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.766447][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.766447][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.766447][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.766447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.766447][ T7704] [ 1032.768285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1032.768285][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1032.768285][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1032.768285][ T7704] ipv6_find_idev+0x102/0x170 [ 1032.768285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.768285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.768285][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.768285][ T7704] netlink_unicast+0x449/0x710 [ 1032.768285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.768285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.768285][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.768285][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.768285][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.768285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.768285][ T7704] [ 1043.006888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1043.007393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1043.007393][ T7704] netdev_get_by_index+0x5e/0x80 [ 1043.007393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1043.007393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1043.007393][ T7704] ip6_route_add+0x1c/0x140 [ 1043.007393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1043.007393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1043.007393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.007393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.007393][ T7704] netlink_rcv_skb+0x130/0x360 [ 1043.007393][ T7704] netlink_unicast+0x449/0x710 [ 1043.007393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1043.007393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1043.007393][ T7704] ___sys_sendmsg+0xee/0x170 [ 1043.007393][ T7704] __sys_sendmsg+0xcd/0x170 [ 1043.007393][ T7704] do_syscall_64+0xc6/0x1e0 [ 1043.007393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.007393][ T7704] [ 1043.009666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1043.009666][ T7704] netdev_get_by_index+0x5e/0x80 [ 1043.009666][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1043.009666][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1043.009666][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1043.009666][ T7704] ipv6_add_addr+0x411/0x2000 [ 1043.009666][ T7704] inet6_addr_add+0x30e/0xa40 [ 1043.009666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.009666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.009666][ T7704] netlink_rcv_skb+0x130/0x360 [ 1043.009666][ T7704] netlink_unicast+0x449/0x710 [ 1043.009666][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1043.009666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1043.009666][ T7704] ___sys_sendmsg+0xee/0x170 [ 1043.009666][ T7704] __sys_sendmsg+0xcd/0x170 [ 1043.009666][ T7704] do_syscall_64+0xc6/0x1e0 [ 1043.009666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.009666][ T7704] [ 1043.012047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1043.012047][ T7704] netdev_get_by_index+0x5e/0x80 [ 1043.012047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1043.012047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1043.012047][ T7704] ip6_route_add+0x1c/0x140 [ 1043.012047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1043.012047][ T7704] addrconf_add_dev+0xe2/0x170 [ 1043.012047][ T7704] inet6_addr_add+0x12f/0xa40 [ 1043.012047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.012047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.012047][ T7704] netlink_rcv_skb+0x130/0x360 [ 1043.012047][ T7704] netlink_unicast+0x449/0x710 [ 1043.012047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1043.012047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1043.012047][ T7704] ___sys_sendmsg+0xee/0x170 [ 1043.012047][ T7704] __sys_sendmsg+0xcd/0x170 [ 1043.012047][ T7704] do_syscall_64+0xc6/0x1e0 [ 1043.012047][ T7704] [ 1043.014279][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1043.014279][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1043.014279][ T7704] ipv6_find_idev+0x102/0x170 [ 1043.014279][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.014279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.014279][ T7704] netlink_rcv_skb+0x130/0x360 [ 1043.014279][ T7704] netlink_unicast+0x449/0x710 [ 1043.014279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1043.014279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1043.014279][ T7704] ___sys_sendmsg+0xee/0x170 [ 1043.014279][ T7704] __sys_sendmsg+0xcd/0x170 [ 1043.014279][ T7704] do_syscall_64+0xc6/0x1e0 [ 1043.014279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.014279][ T7704] [ 1043.016027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1043.016027][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1043.016027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1043.016027][ T7704] ipv6_find_idev+0x102/0x170 [ 1043.016027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.016027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.016027][ T7704] netlink_rcv_skb+0x130/0x360 [ 1043.016027][ T7704] netlink_unicast+0x449/0x710 [ 1043.016027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1043.016027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1043.016027][ T7704] ___sys_sendmsg+0xee/0x170 [ 1043.016027][ T7704] __sys_sendmsg+0xcd/0x170 [ 1043.016027][ T7704] do_syscall_64+0xc6/0x1e0 [ 1043.016027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.016027][ T7704] [ 1053.254905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1053.255380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1053.255380][ T7704] netdev_get_by_index+0x5e/0x80 [ 1053.255380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1053.255380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1053.255380][ T7704] ip6_route_add+0x1c/0x140 [ 1053.255380][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1053.255380][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1053.255380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.255380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.255380][ T7704] netlink_rcv_skb+0x130/0x360 [ 1053.255380][ T7704] netlink_unicast+0x449/0x710 [ 1053.255380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1053.255380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1053.255380][ T7704] ___sys_sendmsg+0xee/0x170 [ 1053.255380][ T7704] __sys_sendmsg+0xcd/0x170 [ 1053.255380][ T7704] do_syscall_64+0xc6/0x1e0 [ 1053.255380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.255380][ T7704] [ 1053.257614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1053.257614][ T7704] netdev_get_by_index+0x5e/0x80 [ 1053.257614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1053.257614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1053.257614][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1053.257614][ T7704] ipv6_add_addr+0x411/0x2000 [ 1053.257614][ T7704] inet6_addr_add+0x30e/0xa40 [ 1053.257614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.257614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.257614][ T7704] netlink_rcv_skb+0x130/0x360 [ 1053.257614][ T7704] netlink_unicast+0x449/0x710 [ 1053.257614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1053.257614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1053.257614][ T7704] ___sys_sendmsg+0xee/0x170 [ 1053.257614][ T7704] __sys_sendmsg+0xcd/0x170 [ 1053.257614][ T7704] do_syscall_64+0xc6/0x1e0 [ 1053.257614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.257614][ T7704] [ 1053.259839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1053.259839][ T7704] netdev_get_by_index+0x5e/0x80 [ 1053.259839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1053.259839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1053.259839][ T7704] ip6_route_add+0x1c/0x140 [ 1053.259839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1053.259839][ T7704] addrconf_add_dev+0xe2/0x170 [ 1053.259839][ T7704] inet6_addr_add+0x12f/0xa40 [ 1053.259839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.259839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.259839][ T7704] netlink_rcv_skb+0x130/0x360 [ 1053.259839][ T7704] netlink_unicast+0x449/0x710 [ 1053.259839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1053.259839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1053.259839][ T7704] ___sys_sendmsg+0xee/0x170 [ 1053.259839][ T7704] __sys_sendmsg+0xcd/0x170 [ 1053.259839][ T7704] do_syscall_64+0xc6/0x1e0 [ 1053.259839][ T7704] [ 1053.262074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1053.262074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1053.262074][ T7704] ipv6_find_idev+0x102/0x170 [ 1053.262074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.262074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.262074][ T7704] netlink_rcv_skb+0x130/0x360 [ 1053.262074][ T7704] netlink_unicast+0x449/0x710 [ 1053.262074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1053.262074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1053.262074][ T7704] ___sys_sendmsg+0xee/0x170 [ 1053.262074][ T7704] __sys_sendmsg+0xcd/0x170 [ 1053.262074][ T7704] do_syscall_64+0xc6/0x1e0 [ 1053.262074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.262074][ T7704] [ 1053.263779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1053.263779][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1053.263779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1053.263779][ T7704] ipv6_find_idev+0x102/0x170 [ 1053.263779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.263779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.263779][ T7704] netlink_rcv_skb+0x130/0x360 [ 1053.263779][ T7704] netlink_unicast+0x449/0x710 [ 1053.263779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1053.263779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1053.263779][ T7704] ___sys_sendmsg+0xee/0x170 [ 1053.263779][ T7704] __sys_sendmsg+0xcd/0x170 [ 1053.263779][ T7704] do_syscall_64+0xc6/0x1e0 [ 1053.263779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.263779][ T7704] [ 1063.502986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1063.503485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1063.503485][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.503485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.503485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.503485][ T7704] ip6_route_add+0x1c/0x140 [ 1063.503485][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1063.503485][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1063.503485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.503485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.503485][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.503485][ T7704] netlink_unicast+0x449/0x710 [ 1063.503485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.503485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.503485][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.503485][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.503485][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.503485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.503485][ T7704] [ 1063.505766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1063.505766][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.505766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.505766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.505766][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1063.505766][ T7704] ipv6_add_addr+0x411/0x2000 [ 1063.505766][ T7704] inet6_addr_add+0x30e/0xa40 [ 1063.505766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.505766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.505766][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.505766][ T7704] netlink_unicast+0x449/0x710 [ 1063.505766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.505766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.505766][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.505766][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.505766][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.505766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.505766][ T7704] [ 1063.508115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1063.508115][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.508115][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.508115][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.508115][ T7704] ip6_route_add+0x1c/0x140 [ 1063.508115][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1063.508115][ T7704] addrconf_add_dev+0xe2/0x170 [ 1063.508115][ T7704] inet6_addr_add+0x12f/0xa40 [ 1063.508115][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.508115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.508115][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.508115][ T7704] netlink_unicast+0x449/0x710 [ 1063.508115][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.508115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.508115][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.508115][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.508115][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.508115][ T7704] [ 1063.510301][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1063.510301][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1063.510301][ T7704] ipv6_find_idev+0x102/0x170 [ 1063.510301][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.510301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.510301][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.510301][ T7704] netlink_unicast+0x449/0x710 [ 1063.510301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.510301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.510301][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.510301][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.510301][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.510301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.510301][ T7704] [ 1063.512008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1063.512008][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1063.512008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1063.512008][ T7704] ipv6_find_idev+0x102/0x170 [ 1063.512008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.512008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.512008][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.512008][ T7704] netlink_unicast+0x449/0x710 [ 1063.512008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.512008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.512008][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.512008][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.512008][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.512008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.512008][ T7704] [ 1073.750925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1073.751594][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1073.751594][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.751594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.751594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.751594][ T7704] ip6_route_add+0x1c/0x140 [ 1073.751594][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1073.751594][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1073.751594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.751594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.751594][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.751594][ T7704] netlink_unicast+0x449/0x710 [ 1073.751594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.751594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.751594][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.751594][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.751594][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.751594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.751594][ T7704] [ 1073.755160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1073.755160][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.755160][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.755160][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.755160][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1073.755160][ T7704] ipv6_add_addr+0x411/0x2000 [ 1073.755160][ T7704] inet6_addr_add+0x30e/0xa40 [ 1073.755160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.755160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.755160][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.755160][ T7704] netlink_unicast+0x449/0x710 [ 1073.755160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.755160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.755160][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.755160][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.755160][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.755160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.755160][ T7704] [ 1073.758575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1073.758575][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.758575][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.758575][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.758575][ T7704] ip6_route_add+0x1c/0x140 [ 1073.758575][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1073.758575][ T7704] addrconf_add_dev+0xe2/0x170 [ 1073.758575][ T7704] inet6_addr_add+0x12f/0xa40 [ 1073.758575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.758575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.758575][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.758575][ T7704] netlink_unicast+0x449/0x710 [ 1073.758575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.758575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.758575][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.758575][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.758575][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.758575][ T7704] [ 1073.761957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1073.761957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1073.761957][ T7704] ipv6_find_idev+0x102/0x170 [ 1073.761957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.761957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.761957][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.761957][ T7704] netlink_unicast+0x449/0x710 [ 1073.761957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.761957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.761957][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.761957][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.761957][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.761957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.761957][ T7704] [ 1073.764621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1073.764621][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1073.764621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1073.764621][ T7704] ipv6_find_idev+0x102/0x170 [ 1073.764621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.764621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.764621][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.764621][ T7704] netlink_unicast+0x449/0x710 [ 1073.764621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.764621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.764621][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.764621][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.764621][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.764621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.764621][ T7704] [ 1084.006913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1084.007397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1084.007397][ T7704] netdev_get_by_index+0x5e/0x80 [ 1084.007397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1084.007397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1084.007397][ T7704] ip6_route_add+0x1c/0x140 [ 1084.007397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1084.007397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1084.007397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.007397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.007397][ T7704] netlink_rcv_skb+0x130/0x360 [ 1084.007397][ T7704] netlink_unicast+0x449/0x710 [ 1084.007397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1084.007397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1084.007397][ T7704] ___sys_sendmsg+0xee/0x170 [ 1084.007397][ T7704] __sys_sendmsg+0xcd/0x170 [ 1084.007397][ T7704] do_syscall_64+0xc6/0x1e0 [ 1084.007397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.007397][ T7704] [ 1084.009669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1084.009669][ T7704] netdev_get_by_index+0x5e/0x80 [ 1084.009669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1084.009669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1084.009669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1084.009669][ T7704] ipv6_add_addr+0x411/0x2000 [ 1084.009669][ T7704] inet6_addr_add+0x30e/0xa40 [ 1084.009669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.009669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.009669][ T7704] netlink_rcv_skb+0x130/0x360 [ 1084.009669][ T7704] netlink_unicast+0x449/0x710 [ 1084.009669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1084.009669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1084.009669][ T7704] ___sys_sendmsg+0xee/0x170 [ 1084.009669][ T7704] __sys_sendmsg+0xcd/0x170 [ 1084.009669][ T7704] do_syscall_64+0xc6/0x1e0 [ 1084.009669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.009669][ T7704] [ 1084.011905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1084.011905][ T7704] netdev_get_by_index+0x5e/0x80 [ 1084.011905][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1084.011905][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1084.011905][ T7704] ip6_route_add+0x1c/0x140 [ 1084.011905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1084.011905][ T7704] addrconf_add_dev+0xe2/0x170 [ 1084.011905][ T7704] inet6_addr_add+0x12f/0xa40 [ 1084.011905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.011905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.011905][ T7704] netlink_rcv_skb+0x130/0x360 [ 1084.011905][ T7704] netlink_unicast+0x449/0x710 [ 1084.011905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1084.011905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1084.011905][ T7704] ___sys_sendmsg+0xee/0x170 [ 1084.011905][ T7704] __sys_sendmsg+0xcd/0x170 [ 1084.011905][ T7704] do_syscall_64+0xc6/0x1e0 [ 1084.011905][ T7704] [ 1084.014095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1084.014095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1084.014095][ T7704] ipv6_find_idev+0x102/0x170 [ 1084.014095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.014095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.014095][ T7704] netlink_rcv_skb+0x130/0x360 [ 1084.014095][ T7704] netlink_unicast+0x449/0x710 [ 1084.014095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1084.014095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1084.014095][ T7704] ___sys_sendmsg+0xee/0x170 [ 1084.014095][ T7704] __sys_sendmsg+0xcd/0x170 [ 1084.014095][ T7704] do_syscall_64+0xc6/0x1e0 [ 1084.014095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.014095][ T7704] [ 1084.015874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1084.015874][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1084.015874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1084.015874][ T7704] ipv6_find_idev+0x102/0x170 [ 1084.015874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.015874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.015874][ T7704] netlink_rcv_skb+0x130/0x360 [ 1084.015874][ T7704] netlink_unicast+0x449/0x710 [ 1084.015874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1084.015874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1084.015874][ T7704] ___sys_sendmsg+0xee/0x170 [ 1084.015874][ T7704] __sys_sendmsg+0xcd/0x170 [ 1084.015874][ T7704] do_syscall_64+0xc6/0x1e0 [ 1084.015874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.015874][ T7704] [ 1094.254922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1094.255371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1094.255371][ T7704] netdev_get_by_index+0x5e/0x80 [ 1094.255371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1094.255371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1094.255371][ T7704] ip6_route_add+0x1c/0x140 [ 1094.255371][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1094.255371][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1094.255371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.255371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.255371][ T7704] netlink_rcv_skb+0x130/0x360 [ 1094.255371][ T7704] netlink_unicast+0x449/0x710 [ 1094.255371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1094.255371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1094.255371][ T7704] ___sys_sendmsg+0xee/0x170 [ 1094.255371][ T7704] __sys_sendmsg+0xcd/0x170 [ 1094.255371][ T7704] do_syscall_64+0xc6/0x1e0 [ 1094.255371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.255371][ T7704] [ 1094.257621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1094.257621][ T7704] netdev_get_by_index+0x5e/0x80 [ 1094.257621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1094.257621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1094.257621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1094.257621][ T7704] ipv6_add_addr+0x411/0x2000 [ 1094.257621][ T7704] inet6_addr_add+0x30e/0xa40 [ 1094.257621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.257621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.257621][ T7704] netlink_rcv_skb+0x130/0x360 [ 1094.257621][ T7704] netlink_unicast+0x449/0x710 [ 1094.257621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1094.257621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1094.257621][ T7704] ___sys_sendmsg+0xee/0x170 [ 1094.257621][ T7704] __sys_sendmsg+0xcd/0x170 [ 1094.257621][ T7704] do_syscall_64+0xc6/0x1e0 [ 1094.257621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.257621][ T7704] [ 1094.259890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1094.259890][ T7704] netdev_get_by_index+0x5e/0x80 [ 1094.259890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1094.259890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1094.259890][ T7704] ip6_route_add+0x1c/0x140 [ 1094.259890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1094.259890][ T7704] addrconf_add_dev+0xe2/0x170 [ 1094.259890][ T7704] inet6_addr_add+0x12f/0xa40 [ 1094.259890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.259890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.259890][ T7704] netlink_rcv_skb+0x130/0x360 [ 1094.259890][ T7704] netlink_unicast+0x449/0x710 [ 1094.259890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1094.259890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1094.259890][ T7704] ___sys_sendmsg+0xee/0x170 [ 1094.259890][ T7704] __sys_sendmsg+0xcd/0x170 [ 1094.259890][ T7704] do_syscall_64+0xc6/0x1e0 [ 1094.259890][ T7704] [ 1094.262118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1094.262118][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1094.262118][ T7704] ipv6_find_idev+0x102/0x170 [ 1094.262118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.262118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.262118][ T7704] netlink_rcv_skb+0x130/0x360 [ 1094.262118][ T7704] netlink_unicast+0x449/0x710 [ 1094.262118][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1094.262118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1094.262118][ T7704] ___sys_sendmsg+0xee/0x170 [ 1094.262118][ T7704] __sys_sendmsg+0xcd/0x170 [ 1094.262118][ T7704] do_syscall_64+0xc6/0x1e0 [ 1094.262118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.262118][ T7704] [ 1094.263857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1094.263857][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1094.263857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1094.263857][ T7704] ipv6_find_idev+0x102/0x170 [ 1094.263857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.263857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.263857][ T7704] netlink_rcv_skb+0x130/0x360 [ 1094.263857][ T7704] netlink_unicast+0x449/0x710 [ 1094.263857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1094.263857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1094.263857][ T7704] ___sys_sendmsg+0xee/0x170 [ 1094.263857][ T7704] __sys_sendmsg+0xcd/0x170 [ 1094.263857][ T7704] do_syscall_64+0xc6/0x1e0 [ 1094.263857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.263857][ T7704] [ 1104.374910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1104.375332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1104.375332][ T7704] netdev_get_by_index+0x5e/0x80 [ 1104.375332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1104.375332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1104.375332][ T7704] ip6_route_add+0x1c/0x140 [ 1104.375332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1104.375332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1104.375332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.375332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.375332][ T7704] netlink_rcv_skb+0x130/0x360 [ 1104.375332][ T7704] netlink_unicast+0x449/0x710 [ 1104.375332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1104.375332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1104.375332][ T7704] ___sys_sendmsg+0xee/0x170 [ 1104.375332][ T7704] __sys_sendmsg+0xcd/0x170 [ 1104.375332][ T7704] do_syscall_64+0xc6/0x1e0 [ 1104.375332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.375332][ T7704] [ 1104.377586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1104.377586][ T7704] netdev_get_by_index+0x5e/0x80 [ 1104.377586][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1104.377586][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1104.377586][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1104.377586][ T7704] ipv6_add_addr+0x411/0x2000 [ 1104.377586][ T7704] inet6_addr_add+0x30e/0xa40 [ 1104.377586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.377586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.377586][ T7704] netlink_rcv_skb+0x130/0x360 [ 1104.377586][ T7704] netlink_unicast+0x449/0x710 [ 1104.377586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1104.377586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1104.377586][ T7704] ___sys_sendmsg+0xee/0x170 [ 1104.377586][ T7704] __sys_sendmsg+0xcd/0x170 [ 1104.377586][ T7704] do_syscall_64+0xc6/0x1e0 [ 1104.377586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.377586][ T7704] [ 1104.379824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1104.379824][ T7704] netdev_get_by_index+0x5e/0x80 [ 1104.379824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1104.379824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1104.379824][ T7704] ip6_route_add+0x1c/0x140 [ 1104.379824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1104.379824][ T7704] addrconf_add_dev+0xe2/0x170 [ 1104.379824][ T7704] inet6_addr_add+0x12f/0xa40 [ 1104.379824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.379824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.379824][ T7704] netlink_rcv_skb+0x130/0x360 [ 1104.379824][ T7704] netlink_unicast+0x449/0x710 [ 1104.379824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1104.379824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1104.379824][ T7704] ___sys_sendmsg+0xee/0x170 [ 1104.379824][ T7704] __sys_sendmsg+0xcd/0x170 [ 1104.379824][ T7704] do_syscall_64+0xc6/0x1e0 [ 1104.379824][ T7704] [ 1104.382015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1104.382015][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1104.382015][ T7704] ipv6_find_idev+0x102/0x170 [ 1104.382015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.382015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.382015][ T7704] netlink_rcv_skb+0x130/0x360 [ 1104.382015][ T7704] netlink_unicast+0x449/0x710 [ 1104.382015][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1104.382015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1104.382015][ T7704] ___sys_sendmsg+0xee/0x170 [ 1104.382015][ T7704] __sys_sendmsg+0xcd/0x170 [ 1104.382015][ T7704] do_syscall_64+0xc6/0x1e0 [ 1104.382015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.382015][ T7704] [ 1104.383731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1104.383731][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1104.383731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1104.383731][ T7704] ipv6_find_idev+0x102/0x170 [ 1104.383731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.383731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.383731][ T7704] netlink_rcv_skb+0x130/0x360 [ 1104.383731][ T7704] netlink_unicast+0x449/0x710 [ 1104.383731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1104.383731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1104.383731][ T7704] ___sys_sendmsg+0xee/0x170 [ 1104.383731][ T7704] __sys_sendmsg+0xcd/0x170 [ 1104.383731][ T7704] do_syscall_64+0xc6/0x1e0 [ 1104.383731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.383731][ T7704] [ 1114.622916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1114.623395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1114.623395][ T7704] netdev_get_by_index+0x5e/0x80 [ 1114.623395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1114.623395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1114.623395][ T7704] ip6_route_add+0x1c/0x140 [ 1114.623395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1114.623395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1114.623395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.623395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.623395][ T7704] netlink_rcv_skb+0x130/0x360 [ 1114.623395][ T7704] netlink_unicast+0x449/0x710 [ 1114.623395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1114.623395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1114.623395][ T7704] ___sys_sendmsg+0xee/0x170 [ 1114.623395][ T7704] __sys_sendmsg+0xcd/0x170 [ 1114.623395][ T7704] do_syscall_64+0xc6/0x1e0 [ 1114.623395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.623395][ T7704] [ 1114.625906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1114.625906][ T7704] netdev_get_by_index+0x5e/0x80 [ 1114.625906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1114.625906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1114.625906][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1114.625906][ T7704] ipv6_add_addr+0x411/0x2000 [ 1114.625906][ T7704] inet6_addr_add+0x30e/0xa40 [ 1114.625906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.625906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.625906][ T7704] netlink_rcv_skb+0x130/0x360 [ 1114.625906][ T7704] netlink_unicast+0x449/0x710 [ 1114.625906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1114.625906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1114.625906][ T7704] ___sys_sendmsg+0xee/0x170 [ 1114.625906][ T7704] __sys_sendmsg+0xcd/0x170 [ 1114.625906][ T7704] do_syscall_64+0xc6/0x1e0 [ 1114.625906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.625906][ T7704] [ 1114.628388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1114.628388][ T7704] netdev_get_by_index+0x5e/0x80 [ 1114.628388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1114.628388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1114.628388][ T7704] ip6_route_add+0x1c/0x140 [ 1114.628388][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1114.628388][ T7704] addrconf_add_dev+0xe2/0x170 [ 1114.628388][ T7704] inet6_addr_add+0x12f/0xa40 [ 1114.628388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.628388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.628388][ T7704] netlink_rcv_skb+0x130/0x360 [ 1114.628388][ T7704] netlink_unicast+0x449/0x710 [ 1114.628388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1114.628388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1114.628388][ T7704] ___sys_sendmsg+0xee/0x170 [ 1114.628388][ T7704] __sys_sendmsg+0xcd/0x170 [ 1114.628388][ T7704] do_syscall_64+0xc6/0x1e0 [ 1114.628388][ T7704] [ 1114.630825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1114.630825][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1114.630825][ T7704] ipv6_find_idev+0x102/0x170 [ 1114.630825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.630825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.630825][ T7704] netlink_rcv_skb+0x130/0x360 [ 1114.630825][ T7704] netlink_unicast+0x449/0x710 [ 1114.630825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1114.630825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1114.630825][ T7704] ___sys_sendmsg+0xee/0x170 [ 1114.630825][ T7704] __sys_sendmsg+0xcd/0x170 [ 1114.630825][ T7704] do_syscall_64+0xc6/0x1e0 [ 1114.630825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.630825][ T7704] [ 1114.632725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1114.632725][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1114.632725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1114.632725][ T7704] ipv6_find_idev+0x102/0x170 [ 1114.632725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.632725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.632725][ T7704] netlink_rcv_skb+0x130/0x360 [ 1114.632725][ T7704] netlink_unicast+0x449/0x710 [ 1114.632725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1114.632725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1114.632725][ T7704] ___sys_sendmsg+0xee/0x170 [ 1114.632725][ T7704] __sys_sendmsg+0xcd/0x170 [ 1114.632725][ T7704] do_syscall_64+0xc6/0x1e0 [ 1114.632725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.632725][ T7704] [ 1124.870917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1124.871417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1124.871417][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.871417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.871417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.871417][ T7704] ip6_route_add+0x1c/0x140 [ 1124.871417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1124.871417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1124.871417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.871417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.871417][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.871417][ T7704] netlink_unicast+0x449/0x710 [ 1124.871417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.871417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.871417][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.871417][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.871417][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.871417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.871417][ T7704] [ 1124.873675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1124.873675][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.873675][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.873675][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.873675][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1124.873675][ T7704] ipv6_add_addr+0x411/0x2000 [ 1124.873675][ T7704] inet6_addr_add+0x30e/0xa40 [ 1124.873675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.873675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.873675][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.873675][ T7704] netlink_unicast+0x449/0x710 [ 1124.873675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.873675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.873675][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.873675][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.873675][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.873675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.873675][ T7704] [ 1124.875918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1124.875918][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.875918][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.875918][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.875918][ T7704] ip6_route_add+0x1c/0x140 [ 1124.875918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1124.875918][ T7704] addrconf_add_dev+0xe2/0x170 [ 1124.875918][ T7704] inet6_addr_add+0x12f/0xa40 [ 1124.875918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.875918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.875918][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.875918][ T7704] netlink_unicast+0x449/0x710 [ 1124.875918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.875918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.875918][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.875918][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.875918][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.875918][ T7704] [ 1124.878129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1124.878129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1124.878129][ T7704] ipv6_find_idev+0x102/0x170 [ 1124.878129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.878129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.878129][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.878129][ T7704] netlink_unicast+0x449/0x710 [ 1124.878129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.878129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.878129][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.878129][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.878129][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.878129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.878129][ T7704] [ 1124.879846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1124.879846][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1124.879846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1124.879846][ T7704] ipv6_find_idev+0x102/0x170 [ 1124.879846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.879846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.879846][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.879846][ T7704] netlink_unicast+0x449/0x710 [ 1124.879846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.879846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.879846][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.879846][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.879846][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.879846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.879846][ T7704] [ 1135.014949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1135.015381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1135.015381][ T7704] netdev_get_by_index+0x5e/0x80 [ 1135.015381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1135.015381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1135.015381][ T7704] ip6_route_add+0x1c/0x140 [ 1135.015381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1135.015381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1135.015381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.015381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.015381][ T7704] netlink_rcv_skb+0x130/0x360 [ 1135.015381][ T7704] netlink_unicast+0x449/0x710 [ 1135.015381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1135.015381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1135.015381][ T7704] ___sys_sendmsg+0xee/0x170 [ 1135.015381][ T7704] __sys_sendmsg+0xcd/0x170 [ 1135.015381][ T7704] do_syscall_64+0xc6/0x1e0 [ 1135.015381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.015381][ T7704] [ 1135.017659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1135.017659][ T7704] netdev_get_by_index+0x5e/0x80 [ 1135.017659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1135.017659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1135.017659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1135.017659][ T7704] ipv6_add_addr+0x411/0x2000 [ 1135.017659][ T7704] inet6_addr_add+0x30e/0xa40 [ 1135.017659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.017659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.017659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1135.017659][ T7704] netlink_unicast+0x449/0x710 [ 1135.017659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1135.017659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1135.017659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1135.017659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1135.017659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1135.017659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.017659][ T7704] [ 1135.019909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1135.019909][ T7704] netdev_get_by_index+0x5e/0x80 [ 1135.019909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1135.019909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1135.019909][ T7704] ip6_route_add+0x1c/0x140 [ 1135.019909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1135.019909][ T7704] addrconf_add_dev+0xe2/0x170 [ 1135.019909][ T7704] inet6_addr_add+0x12f/0xa40 [ 1135.019909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.019909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.019909][ T7704] netlink_rcv_skb+0x130/0x360 [ 1135.019909][ T7704] netlink_unicast+0x449/0x710 [ 1135.019909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1135.019909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1135.019909][ T7704] ___sys_sendmsg+0xee/0x170 [ 1135.019909][ T7704] __sys_sendmsg+0xcd/0x170 [ 1135.019909][ T7704] do_syscall_64+0xc6/0x1e0 [ 1135.019909][ T7704] [ 1135.022101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1135.022101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1135.022101][ T7704] ipv6_find_idev+0x102/0x170 [ 1135.022101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.022101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.022101][ T7704] netlink_rcv_skb+0x130/0x360 [ 1135.022101][ T7704] netlink_unicast+0x449/0x710 [ 1135.022101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1135.022101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1135.022101][ T7704] ___sys_sendmsg+0xee/0x170 [ 1135.022101][ T7704] __sys_sendmsg+0xcd/0x170 [ 1135.022101][ T7704] do_syscall_64+0xc6/0x1e0 [ 1135.022101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.022101][ T7704] [ 1135.023835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1135.023835][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1135.023835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1135.023835][ T7704] ipv6_find_idev+0x102/0x170 [ 1135.023835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.023835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.023835][ T7704] netlink_rcv_skb+0x130/0x360 [ 1135.023835][ T7704] netlink_unicast+0x449/0x710 [ 1135.023835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1135.023835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1135.023835][ T7704] ___sys_sendmsg+0xee/0x170 [ 1135.023835][ T7704] __sys_sendmsg+0xcd/0x170 [ 1135.023835][ T7704] do_syscall_64+0xc6/0x1e0 [ 1135.023835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.023835][ T7704] [ 1145.279011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1145.279510][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1145.279510][ T7704] netdev_get_by_index+0x5e/0x80 [ 1145.279510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1145.279510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1145.279510][ T7704] ip6_route_add+0x1c/0x140 [ 1145.279510][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1145.279510][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1145.279510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.279510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.279510][ T7704] netlink_rcv_skb+0x130/0x360 [ 1145.279510][ T7704] netlink_unicast+0x449/0x710 [ 1145.279510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1145.279510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1145.279510][ T7704] ___sys_sendmsg+0xee/0x170 [ 1145.279510][ T7704] __sys_sendmsg+0xcd/0x170 [ 1145.279510][ T7704] do_syscall_64+0xc6/0x1e0 [ 1145.279510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.279510][ T7704] [ 1145.281782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1145.281782][ T7704] netdev_get_by_index+0x5e/0x80 [ 1145.281782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1145.281782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1145.281782][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1145.281782][ T7704] ipv6_add_addr+0x411/0x2000 [ 1145.281782][ T7704] inet6_addr_add+0x30e/0xa40 [ 1145.281782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.281782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.281782][ T7704] netlink_rcv_skb+0x130/0x360 [ 1145.281782][ T7704] netlink_unicast+0x449/0x710 [ 1145.281782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1145.281782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1145.281782][ T7704] ___sys_sendmsg+0xee/0x170 [ 1145.281782][ T7704] __sys_sendmsg+0xcd/0x170 [ 1145.281782][ T7704] do_syscall_64+0xc6/0x1e0 [ 1145.281782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.281782][ T7704] [ 1145.284019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1145.284019][ T7704] netdev_get_by_index+0x5e/0x80 [ 1145.284019][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1145.284019][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1145.284019][ T7704] ip6_route_add+0x1c/0x140 [ 1145.284019][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1145.284019][ T7704] addrconf_add_dev+0xe2/0x170 [ 1145.284019][ T7704] inet6_addr_add+0x12f/0xa40 [ 1145.284019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.284019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.284019][ T7704] netlink_rcv_skb+0x130/0x360 [ 1145.284019][ T7704] netlink_unicast+0x449/0x710 [ 1145.284019][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1145.284019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1145.284019][ T7704] ___sys_sendmsg+0xee/0x170 [ 1145.284019][ T7704] __sys_sendmsg+0xcd/0x170 [ 1145.284019][ T7704] do_syscall_64+0xc6/0x1e0 [ 1145.284019][ T7704] [ 1145.286226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1145.286226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1145.286226][ T7704] ipv6_find_idev+0x102/0x170 [ 1145.286226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.286226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.286226][ T7704] netlink_rcv_skb+0x130/0x360 [ 1145.286226][ T7704] netlink_unicast+0x449/0x710 [ 1145.286226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1145.286226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1145.286226][ T7704] ___sys_sendmsg+0xee/0x170 [ 1145.286226][ T7704] __sys_sendmsg+0xcd/0x170 [ 1145.286226][ T7704] do_syscall_64+0xc6/0x1e0 [ 1145.286226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.286226][ T7704] [ 1145.287947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1145.287947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1145.287947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1145.287947][ T7704] ipv6_find_idev+0x102/0x170 [ 1145.287947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.287947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.287947][ T7704] netlink_rcv_skb+0x130/0x360 [ 1145.287947][ T7704] netlink_unicast+0x449/0x710 [ 1145.287947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1145.287947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1145.287947][ T7704] ___sys_sendmsg+0xee/0x170 [ 1145.287947][ T7704] __sys_sendmsg+0xcd/0x170 [ 1145.287947][ T7704] do_syscall_64+0xc6/0x1e0 [ 1145.287947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.287947][ T7704] [ 1155.470951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1155.471496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1155.471496][ T7704] netdev_get_by_index+0x5e/0x80 [ 1155.471496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1155.471496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1155.471496][ T7704] ip6_route_add+0x1c/0x140 [ 1155.471496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1155.471496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1155.471496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.471496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.471496][ T7704] netlink_rcv_skb+0x130/0x360 [ 1155.471496][ T7704] netlink_unicast+0x449/0x710 [ 1155.471496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1155.471496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1155.471496][ T7704] ___sys_sendmsg+0xee/0x170 [ 1155.471496][ T7704] __sys_sendmsg+0xcd/0x170 [ 1155.471496][ T7704] do_syscall_64+0xc6/0x1e0 [ 1155.471496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.471496][ T7704] [ 1155.473956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1155.473956][ T7704] netdev_get_by_index+0x5e/0x80 [ 1155.473956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1155.473956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1155.473956][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1155.473956][ T7704] ipv6_add_addr+0x411/0x2000 [ 1155.473956][ T7704] inet6_addr_add+0x30e/0xa40 [ 1155.473956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.473956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.473956][ T7704] netlink_rcv_skb+0x130/0x360 [ 1155.473956][ T7704] netlink_unicast+0x449/0x710 [ 1155.473956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1155.473956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1155.473956][ T7704] ___sys_sendmsg+0xee/0x170 [ 1155.473956][ T7704] __sys_sendmsg+0xcd/0x170 [ 1155.473956][ T7704] do_syscall_64+0xc6/0x1e0 [ 1155.473956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.473956][ T7704] [ 1155.476338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1155.476338][ T7704] netdev_get_by_index+0x5e/0x80 [ 1155.476338][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1155.476338][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1155.476338][ T7704] ip6_route_add+0x1c/0x140 [ 1155.476338][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1155.476338][ T7704] addrconf_add_dev+0xe2/0x170 [ 1155.476338][ T7704] inet6_addr_add+0x12f/0xa40 [ 1155.476338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.476338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.476338][ T7704] netlink_rcv_skb+0x130/0x360 [ 1155.476338][ T7704] netlink_unicast+0x449/0x710 [ 1155.476338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1155.476338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1155.476338][ T7704] ___sys_sendmsg+0xee/0x170 [ 1155.476338][ T7704] __sys_sendmsg+0xcd/0x170 [ 1155.476338][ T7704] do_syscall_64+0xc6/0x1e0 [ 1155.476338][ T7704] [ 1155.478656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1155.478656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1155.478656][ T7704] ipv6_find_idev+0x102/0x170 [ 1155.478656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.478656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.478656][ T7704] netlink_rcv_skb+0x130/0x360 [ 1155.478656][ T7704] netlink_unicast+0x449/0x710 [ 1155.478656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1155.478656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1155.478656][ T7704] ___sys_sendmsg+0xee/0x170 [ 1155.478656][ T7704] __sys_sendmsg+0xcd/0x170 [ 1155.478656][ T7704] do_syscall_64+0xc6/0x1e0 [ 1155.478656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.478656][ T7704] [ 1155.480526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1155.480526][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1155.480526][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1155.480526][ T7704] ipv6_find_idev+0x102/0x170 [ 1155.480526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.480526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.480526][ T7704] netlink_rcv_skb+0x130/0x360 [ 1155.480526][ T7704] netlink_unicast+0x449/0x710 [ 1155.480526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1155.480526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1155.480526][ T7704] ___sys_sendmsg+0xee/0x170 [ 1155.480526][ T7704] __sys_sendmsg+0xcd/0x170 [ 1155.480526][ T7704] do_syscall_64+0xc6/0x1e0 [ 1155.480526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.480526][ T7704] [ 1165.839018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1165.839527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1165.839527][ T7704] netdev_get_by_index+0x5e/0x80 [ 1165.839527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1165.839527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1165.839527][ T7704] ip6_route_add+0x1c/0x140 [ 1165.839527][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1165.839527][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1165.839527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.839527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.839527][ T7704] netlink_rcv_skb+0x130/0x360 [ 1165.839527][ T7704] netlink_unicast+0x449/0x710 [ 1165.839527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1165.839527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1165.839527][ T7704] ___sys_sendmsg+0xee/0x170 [ 1165.839527][ T7704] __sys_sendmsg+0xcd/0x170 [ 1165.839527][ T7704] do_syscall_64+0xc6/0x1e0 [ 1165.839527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.839527][ T7704] [ 1165.841888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1165.841888][ T7704] netdev_get_by_index+0x5e/0x80 [ 1165.841888][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1165.841888][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1165.841888][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1165.841888][ T7704] ipv6_add_addr+0x411/0x2000 [ 1165.841888][ T7704] inet6_addr_add+0x30e/0xa40 [ 1165.841888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.841888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.841888][ T7704] netlink_rcv_skb+0x130/0x360 [ 1165.841888][ T7704] netlink_unicast+0x449/0x710 [ 1165.841888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1165.841888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1165.841888][ T7704] ___sys_sendmsg+0xee/0x170 [ 1165.841888][ T7704] __sys_sendmsg+0xcd/0x170 [ 1165.841888][ T7704] do_syscall_64+0xc6/0x1e0 [ 1165.841888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.841888][ T7704] [ 1165.844272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1165.844272][ T7704] netdev_get_by_index+0x5e/0x80 [ 1165.844272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1165.844272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1165.844272][ T7704] ip6_route_add+0x1c/0x140 [ 1165.844272][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1165.844272][ T7704] addrconf_add_dev+0xe2/0x170 [ 1165.844272][ T7704] inet6_addr_add+0x12f/0xa40 [ 1165.844272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.844272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.844272][ T7704] netlink_rcv_skb+0x130/0x360 [ 1165.844272][ T7704] netlink_unicast+0x449/0x710 [ 1165.844272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1165.844272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1165.844272][ T7704] ___sys_sendmsg+0xee/0x170 [ 1165.844272][ T7704] __sys_sendmsg+0xcd/0x170 [ 1165.844272][ T7704] do_syscall_64+0xc6/0x1e0 [ 1165.844272][ T7704] [ 1165.846603][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1165.846603][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1165.846603][ T7704] ipv6_find_idev+0x102/0x170 [ 1165.846603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.846603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.846603][ T7704] netlink_rcv_skb+0x130/0x360 [ 1165.846603][ T7704] netlink_unicast+0x449/0x710 [ 1165.846603][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1165.846603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1165.846603][ T7704] ___sys_sendmsg+0xee/0x170 [ 1165.846603][ T7704] __sys_sendmsg+0xcd/0x170 [ 1165.846603][ T7704] do_syscall_64+0xc6/0x1e0 [ 1165.846603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.846603][ T7704] [ 1165.848389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1165.848389][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1165.848389][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1165.848389][ T7704] ipv6_find_idev+0x102/0x170 [ 1165.848389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.848389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.848389][ T7704] netlink_rcv_skb+0x130/0x360 [ 1165.848389][ T7704] netlink_unicast+0x449/0x710 [ 1165.848389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1165.848389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1165.848389][ T7704] ___sys_sendmsg+0xee/0x170 [ 1165.848389][ T7704] __sys_sendmsg+0xcd/0x170 [ 1165.848389][ T7704] do_syscall_64+0xc6/0x1e0 [ 1165.848389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.848389][ T7704] [ 1176.086916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1176.087438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1176.087438][ T7704] netdev_get_by_index+0x5e/0x80 [ 1176.087438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1176.087438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1176.087438][ T7704] ip6_route_add+0x1c/0x140 [ 1176.087438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1176.087438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1176.087438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.087438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.087438][ T7704] netlink_rcv_skb+0x130/0x360 [ 1176.087438][ T7704] netlink_unicast+0x449/0x710 [ 1176.087438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1176.087438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1176.087438][ T7704] ___sys_sendmsg+0xee/0x170 [ 1176.087438][ T7704] __sys_sendmsg+0xcd/0x170 [ 1176.087438][ T7704] do_syscall_64+0xc6/0x1e0 [ 1176.087438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.087438][ T7704] [ 1176.089793][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1176.089793][ T7704] netdev_get_by_index+0x5e/0x80 [ 1176.089793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1176.089793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1176.089793][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1176.089793][ T7704] ipv6_add_addr+0x411/0x2000 [ 1176.089793][ T7704] inet6_addr_add+0x30e/0xa40 [ 1176.089793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.089793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.089793][ T7704] netlink_rcv_skb+0x130/0x360 [ 1176.089793][ T7704] netlink_unicast+0x449/0x710 [ 1176.089793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1176.089793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1176.089793][ T7704] ___sys_sendmsg+0xee/0x170 [ 1176.089793][ T7704] __sys_sendmsg+0xcd/0x170 [ 1176.089793][ T7704] do_syscall_64+0xc6/0x1e0 [ 1176.089793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.089793][ T7704] [ 1176.092123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1176.092123][ T7704] netdev_get_by_index+0x5e/0x80 [ 1176.092123][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1176.092123][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1176.092123][ T7704] ip6_route_add+0x1c/0x140 [ 1176.092123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1176.092123][ T7704] addrconf_add_dev+0xe2/0x170 [ 1176.092123][ T7704] inet6_addr_add+0x12f/0xa40 [ 1176.092123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.092123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.092123][ T7704] netlink_rcv_skb+0x130/0x360 [ 1176.092123][ T7704] netlink_unicast+0x449/0x710 [ 1176.092123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1176.092123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1176.092123][ T7704] ___sys_sendmsg+0xee/0x170 [ 1176.092123][ T7704] __sys_sendmsg+0xcd/0x170 [ 1176.092123][ T7704] do_syscall_64+0xc6/0x1e0 [ 1176.092123][ T7704] [ 1176.094433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1176.094433][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1176.094433][ T7704] ipv6_find_idev+0x102/0x170 [ 1176.094433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.094433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.094433][ T7704] netlink_rcv_skb+0x130/0x360 [ 1176.094433][ T7704] netlink_unicast+0x449/0x710 [ 1176.094433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1176.094433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1176.094433][ T7704] ___sys_sendmsg+0xee/0x170 [ 1176.094433][ T7704] __sys_sendmsg+0xcd/0x170 [ 1176.094433][ T7704] do_syscall_64+0xc6/0x1e0 [ 1176.094433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.094433][ T7704] [ 1176.096169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1176.096169][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1176.096169][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1176.096169][ T7704] ipv6_find_idev+0x102/0x170 [ 1176.096169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.096169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.096169][ T7704] netlink_rcv_skb+0x130/0x360 [ 1176.096169][ T7704] netlink_unicast+0x449/0x710 [ 1176.096169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1176.096169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1176.096169][ T7704] ___sys_sendmsg+0xee/0x170 [ 1176.096169][ T7704] __sys_sendmsg+0xcd/0x170 [ 1176.096169][ T7704] do_syscall_64+0xc6/0x1e0 [ 1176.096169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.096169][ T7704] [ 1186.334911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1186.335340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1186.335340][ T7704] netdev_get_by_index+0x5e/0x80 [ 1186.335340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1186.335340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1186.335340][ T7704] ip6_route_add+0x1c/0x140 [ 1186.335340][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1186.335340][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1186.335340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.335340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.335340][ T7704] netlink_rcv_skb+0x130/0x360 [ 1186.335340][ T7704] netlink_unicast+0x449/0x710 [ 1186.335340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1186.335340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1186.335340][ T7704] ___sys_sendmsg+0xee/0x170 [ 1186.335340][ T7704] __sys_sendmsg+0xcd/0x170 [ 1186.335340][ T7704] do_syscall_64+0xc6/0x1e0 [ 1186.335340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.335340][ T7704] [ 1186.337651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1186.337651][ T7704] netdev_get_by_index+0x5e/0x80 [ 1186.337651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1186.337651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1186.337651][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1186.337651][ T7704] ipv6_add_addr+0x411/0x2000 [ 1186.337651][ T7704] inet6_addr_add+0x30e/0xa40 [ 1186.337651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.337651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.337651][ T7704] netlink_rcv_skb+0x130/0x360 [ 1186.337651][ T7704] netlink_unicast+0x449/0x710 [ 1186.337651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1186.337651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1186.337651][ T7704] ___sys_sendmsg+0xee/0x170 [ 1186.337651][ T7704] __sys_sendmsg+0xcd/0x170 [ 1186.337651][ T7704] do_syscall_64+0xc6/0x1e0 [ 1186.337651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.337651][ T7704] [ 1186.339892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1186.339892][ T7704] netdev_get_by_index+0x5e/0x80 [ 1186.339892][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1186.339892][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1186.339892][ T7704] ip6_route_add+0x1c/0x140 [ 1186.339892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1186.339892][ T7704] addrconf_add_dev+0xe2/0x170 [ 1186.339892][ T7704] inet6_addr_add+0x12f/0xa40 [ 1186.339892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.339892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.339892][ T7704] netlink_rcv_skb+0x130/0x360 [ 1186.339892][ T7704] netlink_unicast+0x449/0x710 [ 1186.339892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1186.339892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1186.339892][ T7704] ___sys_sendmsg+0xee/0x170 [ 1186.339892][ T7704] __sys_sendmsg+0xcd/0x170 [ 1186.339892][ T7704] do_syscall_64+0xc6/0x1e0 [ 1186.339892][ T7704] [ 1186.342222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1186.342222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1186.342222][ T7704] ipv6_find_idev+0x102/0x170 [ 1186.342222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.342222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.342222][ T7704] netlink_rcv_skb+0x130/0x360 [ 1186.342222][ T7704] netlink_unicast+0x449/0x710 [ 1186.342222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1186.342222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1186.342222][ T7704] ___sys_sendmsg+0xee/0x170 [ 1186.342222][ T7704] __sys_sendmsg+0xcd/0x170 [ 1186.342222][ T7704] do_syscall_64+0xc6/0x1e0 [ 1186.342222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.342222][ T7704] [ 1186.344003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1186.344003][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1186.344003][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1186.344003][ T7704] ipv6_find_idev+0x102/0x170 [ 1186.344003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.344003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.344003][ T7704] netlink_rcv_skb+0x130/0x360 [ 1186.344003][ T7704] netlink_unicast+0x449/0x710 [ 1186.344003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1186.344003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1186.344003][ T7704] ___sys_sendmsg+0xee/0x170 [ 1186.344003][ T7704] __sys_sendmsg+0xcd/0x170 [ 1186.344003][ T7704] do_syscall_64+0xc6/0x1e0 [ 1186.344003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.344003][ T7704] [ 1196.582911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1196.583427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1196.583427][ T7704] netdev_get_by_index+0x5e/0x80 [ 1196.583427][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1196.583427][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1196.583427][ T7704] ip6_route_add+0x1c/0x140 [ 1196.583427][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1196.583427][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1196.583427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.583427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.583427][ T7704] netlink_rcv_skb+0x130/0x360 [ 1196.583427][ T7704] netlink_unicast+0x449/0x710 [ 1196.583427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1196.583427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1196.583427][ T7704] ___sys_sendmsg+0xee/0x170 [ 1196.583427][ T7704] __sys_sendmsg+0xcd/0x170 [ 1196.583427][ T7704] do_syscall_64+0xc6/0x1e0 [ 1196.583427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.583427][ T7704] [ 1196.585708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1196.585708][ T7704] netdev_get_by_index+0x5e/0x80 [ 1196.585708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1196.585708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1196.585708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1196.585708][ T7704] ipv6_add_addr+0x411/0x2000 [ 1196.585708][ T7704] inet6_addr_add+0x30e/0xa40 [ 1196.585708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.585708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.585708][ T7704] netlink_rcv_skb+0x130/0x360 [ 1196.585708][ T7704] netlink_unicast+0x449/0x710 [ 1196.585708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1196.585708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1196.585708][ T7704] ___sys_sendmsg+0xee/0x170 [ 1196.585708][ T7704] __sys_sendmsg+0xcd/0x170 [ 1196.585708][ T7704] do_syscall_64+0xc6/0x1e0 [ 1196.585708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.585708][ T7704] [ 1196.588921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1196.588921][ T7704] netdev_get_by_index+0x5e/0x80 [ 1196.588921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1196.588921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1196.588921][ T7704] ip6_route_add+0x1c/0x140 [ 1196.588921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1196.588921][ T7704] addrconf_add_dev+0xe2/0x170 [ 1196.588921][ T7704] inet6_addr_add+0x12f/0xa40 [ 1196.588921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.588921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.588921][ T7704] netlink_rcv_skb+0x130/0x360 [ 1196.588921][ T7704] netlink_unicast+0x449/0x710 [ 1196.588921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1196.588921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1196.588921][ T7704] ___sys_sendmsg+0xee/0x170 [ 1196.588921][ T7704] __sys_sendmsg+0xcd/0x170 [ 1196.588921][ T7704] do_syscall_64+0xc6/0x1e0 [ 1196.588921][ T7704] [ 1196.592363][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1196.592363][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1196.592363][ T7704] ipv6_find_idev+0x102/0x170 [ 1196.592363][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.592363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.592363][ T7704] netlink_rcv_skb+0x130/0x360 [ 1196.592363][ T7704] netlink_unicast+0x449/0x710 [ 1196.592363][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1196.592363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1196.592363][ T7704] ___sys_sendmsg+0xee/0x170 [ 1196.592363][ T7704] __sys_sendmsg+0xcd/0x170 [ 1196.592363][ T7704] do_syscall_64+0xc6/0x1e0 [ 1196.592363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.592363][ T7704] [ 1196.595101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1196.595101][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1196.595101][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1196.595101][ T7704] ipv6_find_idev+0x102/0x170 [ 1196.595101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.595101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.595101][ T7704] netlink_rcv_skb+0x130/0x360 [ 1196.595101][ T7704] netlink_unicast+0x449/0x710 [ 1196.595101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1196.595101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1196.595101][ T7704] ___sys_sendmsg+0xee/0x170 [ 1196.595101][ T7704] __sys_sendmsg+0xcd/0x170 [ 1196.595101][ T7704] do_syscall_64+0xc6/0x1e0 [ 1196.595101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.595101][ T7704] [ 1206.726925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1206.727349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1206.727349][ T7704] netdev_get_by_index+0x5e/0x80 [ 1206.727349][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1206.727349][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1206.727349][ T7704] ip6_route_add+0x1c/0x140 [ 1206.727349][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1206.727349][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1206.727349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.727349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.727349][ T7704] netlink_rcv_skb+0x130/0x360 [ 1206.727349][ T7704] netlink_unicast+0x449/0x710 [ 1206.727349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1206.727349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1206.727349][ T7704] ___sys_sendmsg+0xee/0x170 [ 1206.727349][ T7704] __sys_sendmsg+0xcd/0x170 [ 1206.727349][ T7704] do_syscall_64+0xc6/0x1e0 [ 1206.727349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.727349][ T7704] [ 1206.729623][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1206.729623][ T7704] netdev_get_by_index+0x5e/0x80 [ 1206.729623][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1206.729623][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1206.729623][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1206.729623][ T7704] ipv6_add_addr+0x411/0x2000 [ 1206.729623][ T7704] inet6_addr_add+0x30e/0xa40 [ 1206.729623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.729623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.729623][ T7704] netlink_rcv_skb+0x130/0x360 [ 1206.729623][ T7704] netlink_unicast+0x449/0x710 [ 1206.729623][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1206.729623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1206.729623][ T7704] ___sys_sendmsg+0xee/0x170 [ 1206.729623][ T7704] __sys_sendmsg+0xcd/0x170 [ 1206.729623][ T7704] do_syscall_64+0xc6/0x1e0 [ 1206.729623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.729623][ T7704] [ 1206.731834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1206.731834][ T7704] netdev_get_by_index+0x5e/0x80 [ 1206.731834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1206.731834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1206.731834][ T7704] ip6_route_add+0x1c/0x140 [ 1206.731834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1206.731834][ T7704] addrconf_add_dev+0xe2/0x170 [ 1206.731834][ T7704] inet6_addr_add+0x12f/0xa40 [ 1206.731834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.731834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.731834][ T7704] netlink_rcv_skb+0x130/0x360 [ 1206.731834][ T7704] netlink_unicast+0x449/0x710 [ 1206.731834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1206.731834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1206.731834][ T7704] ___sys_sendmsg+0xee/0x170 [ 1206.731834][ T7704] __sys_sendmsg+0xcd/0x170 [ 1206.731834][ T7704] do_syscall_64+0xc6/0x1e0 [ 1206.731834][ T7704] [ 1206.734014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1206.734014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1206.734014][ T7704] ipv6_find_idev+0x102/0x170 [ 1206.734014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.734014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.734014][ T7704] netlink_rcv_skb+0x130/0x360 [ 1206.734014][ T7704] netlink_unicast+0x449/0x710 [ 1206.734014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1206.734014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1206.734014][ T7704] ___sys_sendmsg+0xee/0x170 [ 1206.734014][ T7704] __sys_sendmsg+0xcd/0x170 [ 1206.734014][ T7704] do_syscall_64+0xc6/0x1e0 [ 1206.734014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.734014][ T7704] [ 1206.735725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1206.735725][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1206.735725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1206.735725][ T7704] ipv6_find_idev+0x102/0x170 [ 1206.735725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.735725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.735725][ T7704] netlink_rcv_skb+0x130/0x360 [ 1206.735725][ T7704] netlink_unicast+0x449/0x710 [ 1206.735725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1206.735725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1206.735725][ T7704] ___sys_sendmsg+0xee/0x170 [ 1206.735725][ T7704] __sys_sendmsg+0xcd/0x170 [ 1206.735725][ T7704] do_syscall_64+0xc6/0x1e0 [ 1206.735725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.735725][ T7704] [ 1216.894940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1216.895406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1216.895406][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.895406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.895406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.895406][ T7704] ip6_route_add+0x1c/0x140 [ 1216.895406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1216.895406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1216.895406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.895406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.895406][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.895406][ T7704] netlink_unicast+0x449/0x710 [ 1216.895406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.895406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.895406][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.895406][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.895406][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.895406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.895406][ T7704] [ 1216.897816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1216.897816][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.897816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.897816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.897816][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1216.897816][ T7704] ipv6_add_addr+0x411/0x2000 [ 1216.897816][ T7704] inet6_addr_add+0x30e/0xa40 [ 1216.897816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.897816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.897816][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.897816][ T7704] netlink_unicast+0x449/0x710 [ 1216.897816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.897816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.897816][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.897816][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.897816][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.897816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.897816][ T7704] [ 1216.900273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1216.900273][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.900273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.900273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.900273][ T7704] ip6_route_add+0x1c/0x140 [ 1216.900273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1216.900273][ T7704] addrconf_add_dev+0xe2/0x170 [ 1216.900273][ T7704] inet6_addr_add+0x12f/0xa40 [ 1216.900273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.900273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.900273][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.900273][ T7704] netlink_unicast+0x449/0x710 [ 1216.900273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.900273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.900273][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.900273][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.900273][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.900273][ T7704] [ 1216.902661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1216.902661][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1216.902661][ T7704] ipv6_find_idev+0x102/0x170 [ 1216.902661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.902661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.902661][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.902661][ T7704] netlink_unicast+0x449/0x710 [ 1216.902661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.902661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.902661][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.902661][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.902661][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.902661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.902661][ T7704] [ 1216.904537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1216.904537][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1216.904537][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1216.904537][ T7704] ipv6_find_idev+0x102/0x170 [ 1216.904537][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.904537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.904537][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.904537][ T7704] netlink_unicast+0x449/0x710 [ 1216.904537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.904537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.904537][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.904537][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.904537][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.904537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.904537][ T7704] [ 1227.158946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1227.159377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1227.159377][ T7704] netdev_get_by_index+0x5e/0x80 [ 1227.159377][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1227.159377][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1227.159377][ T7704] ip6_route_add+0x1c/0x140 [ 1227.159377][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1227.159377][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1227.159377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.159377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.159377][ T7704] netlink_rcv_skb+0x130/0x360 [ 1227.159377][ T7704] netlink_unicast+0x449/0x710 [ 1227.159377][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1227.159377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1227.159377][ T7704] ___sys_sendmsg+0xee/0x170 [ 1227.159377][ T7704] __sys_sendmsg+0xcd/0x170 [ 1227.159377][ T7704] do_syscall_64+0xc6/0x1e0 [ 1227.159377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.159377][ T7704] [ 1227.161601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1227.161601][ T7704] netdev_get_by_index+0x5e/0x80 [ 1227.161601][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1227.161601][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1227.161601][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1227.161601][ T7704] ipv6_add_addr+0x411/0x2000 [ 1227.161601][ T7704] inet6_addr_add+0x30e/0xa40 [ 1227.161601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.161601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.161601][ T7704] netlink_rcv_skb+0x130/0x360 [ 1227.161601][ T7704] netlink_unicast+0x449/0x710 [ 1227.161601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1227.161601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1227.161601][ T7704] ___sys_sendmsg+0xee/0x170 [ 1227.161601][ T7704] __sys_sendmsg+0xcd/0x170 [ 1227.161601][ T7704] do_syscall_64+0xc6/0x1e0 [ 1227.161601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.161601][ T7704] [ 1227.163814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1227.163814][ T7704] netdev_get_by_index+0x5e/0x80 [ 1227.163814][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1227.163814][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1227.163814][ T7704] ip6_route_add+0x1c/0x140 [ 1227.163814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1227.163814][ T7704] addrconf_add_dev+0xe2/0x170 [ 1227.163814][ T7704] inet6_addr_add+0x12f/0xa40 [ 1227.163814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.163814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.163814][ T7704] netlink_rcv_skb+0x130/0x360 [ 1227.163814][ T7704] netlink_unicast+0x449/0x710 [ 1227.163814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1227.163814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1227.163814][ T7704] ___sys_sendmsg+0xee/0x170 [ 1227.163814][ T7704] __sys_sendmsg+0xcd/0x170 [ 1227.163814][ T7704] do_syscall_64+0xc6/0x1e0 [ 1227.163814][ T7704] [ 1227.166271][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1227.166271][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1227.166271][ T7704] ipv6_find_idev+0x102/0x170 [ 1227.166271][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.166271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.166271][ T7704] netlink_rcv_skb+0x130/0x360 [ 1227.166271][ T7704] netlink_unicast+0x449/0x710 [ 1227.166271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1227.166271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1227.166271][ T7704] ___sys_sendmsg+0xee/0x170 [ 1227.166271][ T7704] __sys_sendmsg+0xcd/0x170 [ 1227.166271][ T7704] do_syscall_64+0xc6/0x1e0 [ 1227.166271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.166271][ T7704] [ 1227.167966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1227.167966][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1227.167966][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1227.167966][ T7704] ipv6_find_idev+0x102/0x170 [ 1227.167966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.167966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.167966][ T7704] netlink_rcv_skb+0x130/0x360 [ 1227.167966][ T7704] netlink_unicast+0x449/0x710 [ 1227.167966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1227.167966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1227.167966][ T7704] ___sys_sendmsg+0xee/0x170 [ 1227.167966][ T7704] __sys_sendmsg+0xcd/0x170 [ 1227.167966][ T7704] do_syscall_64+0xc6/0x1e0 [ 1227.167966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.167966][ T7704] [ 1237.422945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1237.423472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1237.423472][ T7704] netdev_get_by_index+0x5e/0x80 [ 1237.423472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1237.423472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1237.423472][ T7704] ip6_route_add+0x1c/0x140 [ 1237.423472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1237.423472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1237.423472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.423472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.423472][ T7704] netlink_rcv_skb+0x130/0x360 [ 1237.423472][ T7704] netlink_unicast+0x449/0x710 [ 1237.423472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1237.423472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1237.423472][ T7704] ___sys_sendmsg+0xee/0x170 [ 1237.423472][ T7704] __sys_sendmsg+0xcd/0x170 [ 1237.423472][ T7704] do_syscall_64+0xc6/0x1e0 [ 1237.423472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.423472][ T7704] [ 1237.425792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1237.425792][ T7704] netdev_get_by_index+0x5e/0x80 [ 1237.425792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1237.425792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1237.425792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1237.425792][ T7704] ipv6_add_addr+0x411/0x2000 [ 1237.425792][ T7704] inet6_addr_add+0x30e/0xa40 [ 1237.425792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.425792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.425792][ T7704] netlink_rcv_skb+0x130/0x360 [ 1237.425792][ T7704] netlink_unicast+0x449/0x710 [ 1237.425792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1237.425792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1237.425792][ T7704] ___sys_sendmsg+0xee/0x170 [ 1237.425792][ T7704] __sys_sendmsg+0xcd/0x170 [ 1237.425792][ T7704] do_syscall_64+0xc6/0x1e0 [ 1237.425792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.425792][ T7704] [ 1237.428117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1237.428117][ T7704] netdev_get_by_index+0x5e/0x80 [ 1237.428117][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1237.428117][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1237.428117][ T7704] ip6_route_add+0x1c/0x140 [ 1237.428117][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1237.428117][ T7704] addrconf_add_dev+0xe2/0x170 [ 1237.428117][ T7704] inet6_addr_add+0x12f/0xa40 [ 1237.428117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.428117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.428117][ T7704] netlink_rcv_skb+0x130/0x360 [ 1237.428117][ T7704] netlink_unicast+0x449/0x710 [ 1237.428117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1237.428117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1237.428117][ T7704] ___sys_sendmsg+0xee/0x170 [ 1237.428117][ T7704] __sys_sendmsg+0xcd/0x170 [ 1237.428117][ T7704] do_syscall_64+0xc6/0x1e0 [ 1237.428117][ T7704] [ 1237.430444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1237.430444][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1237.430444][ T7704] ipv6_find_idev+0x102/0x170 [ 1237.430444][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.430444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.430444][ T7704] netlink_rcv_skb+0x130/0x360 [ 1237.430444][ T7704] netlink_unicast+0x449/0x710 [ 1237.430444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1237.430444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1237.430444][ T7704] ___sys_sendmsg+0xee/0x170 [ 1237.430444][ T7704] __sys_sendmsg+0xcd/0x170 [ 1237.430444][ T7704] do_syscall_64+0xc6/0x1e0 [ 1237.430444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.430444][ T7704] [ 1237.432278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1237.432278][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1237.432278][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1237.432278][ T7704] ipv6_find_idev+0x102/0x170 [ 1237.432278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.432278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.432278][ T7704] netlink_rcv_skb+0x130/0x360 [ 1237.432278][ T7704] netlink_unicast+0x449/0x710 [ 1237.432278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1237.432278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1237.432278][ T7704] ___sys_sendmsg+0xee/0x170 [ 1237.432278][ T7704] __sys_sendmsg+0xcd/0x170 [ 1237.432278][ T7704] do_syscall_64+0xc6/0x1e0 [ 1237.432278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.432278][ T7704] [ 1247.630932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1247.631437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1247.631437][ T7704] netdev_get_by_index+0x5e/0x80 [ 1247.631437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1247.631437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1247.631437][ T7704] ip6_route_add+0x1c/0x140 [ 1247.631437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1247.631437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1247.631437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.631437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.631437][ T7704] netlink_rcv_skb+0x130/0x360 [ 1247.631437][ T7704] netlink_unicast+0x449/0x710 [ 1247.631437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1247.631437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1247.631437][ T7704] ___sys_sendmsg+0xee/0x170 [ 1247.631437][ T7704] __sys_sendmsg+0xcd/0x170 [ 1247.631437][ T7704] do_syscall_64+0xc6/0x1e0 [ 1247.631437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.631437][ T7704] [ 1247.633727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1247.633727][ T7704] netdev_get_by_index+0x5e/0x80 [ 1247.633727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1247.633727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1247.633727][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1247.633727][ T7704] ipv6_add_addr+0x411/0x2000 [ 1247.633727][ T7704] inet6_addr_add+0x30e/0xa40 [ 1247.633727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.633727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.633727][ T7704] netlink_rcv_skb+0x130/0x360 [ 1247.633727][ T7704] netlink_unicast+0x449/0x710 [ 1247.633727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1247.633727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1247.633727][ T7704] ___sys_sendmsg+0xee/0x170 [ 1247.633727][ T7704] __sys_sendmsg+0xcd/0x170 [ 1247.633727][ T7704] do_syscall_64+0xc6/0x1e0 [ 1247.633727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.633727][ T7704] [ 1247.635990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1247.635990][ T7704] netdev_get_by_index+0x5e/0x80 [ 1247.635990][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1247.635990][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1247.635990][ T7704] ip6_route_add+0x1c/0x140 [ 1247.635990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1247.635990][ T7704] addrconf_add_dev+0xe2/0x170 [ 1247.635990][ T7704] inet6_addr_add+0x12f/0xa40 [ 1247.635990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.635990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.635990][ T7704] netlink_rcv_skb+0x130/0x360 [ 1247.635990][ T7704] netlink_unicast+0x449/0x710 [ 1247.635990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1247.635990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1247.635990][ T7704] ___sys_sendmsg+0xee/0x170 [ 1247.635990][ T7704] __sys_sendmsg+0xcd/0x170 [ 1247.635990][ T7704] do_syscall_64+0xc6/0x1e0 [ 1247.635990][ T7704] [ 1247.638205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1247.638205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1247.638205][ T7704] ipv6_find_idev+0x102/0x170 [ 1247.638205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.638205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.638205][ T7704] netlink_rcv_skb+0x130/0x360 [ 1247.638205][ T7704] netlink_unicast+0x449/0x710 [ 1247.638205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1247.638205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1247.638205][ T7704] ___sys_sendmsg+0xee/0x170 [ 1247.638205][ T7704] __sys_sendmsg+0xcd/0x170 [ 1247.638205][ T7704] do_syscall_64+0xc6/0x1e0 [ 1247.638205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.638205][ T7704] [ 1247.639984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1247.639984][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1247.639984][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1247.639984][ T7704] ipv6_find_idev+0x102/0x170 [ 1247.639984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.639984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.639984][ T7704] netlink_rcv_skb+0x130/0x360 [ 1247.639984][ T7704] netlink_unicast+0x449/0x710 [ 1247.639984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1247.639984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1247.639984][ T7704] ___sys_sendmsg+0xee/0x170 [ 1247.639984][ T7704] __sys_sendmsg+0xcd/0x170 [ 1247.639984][ T7704] do_syscall_64+0xc6/0x1e0 [ 1247.639984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.639984][ T7704] [ 1257.878913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1257.879407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1257.879407][ T7704] netdev_get_by_index+0x5e/0x80 [ 1257.879407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1257.879407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1257.879407][ T7704] ip6_route_add+0x1c/0x140 [ 1257.879407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1257.879407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1257.879407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.879407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.879407][ T7704] netlink_rcv_skb+0x130/0x360 [ 1257.879407][ T7704] netlink_unicast+0x449/0x710 [ 1257.879407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1257.879407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1257.879407][ T7704] ___sys_sendmsg+0xee/0x170 [ 1257.879407][ T7704] __sys_sendmsg+0xcd/0x170 [ 1257.879407][ T7704] do_syscall_64+0xc6/0x1e0 [ 1257.879407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.879407][ T7704] [ 1257.881659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1257.881659][ T7704] netdev_get_by_index+0x5e/0x80 [ 1257.881659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1257.881659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1257.881659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1257.881659][ T7704] ipv6_add_addr+0x411/0x2000 [ 1257.881659][ T7704] inet6_addr_add+0x30e/0xa40 [ 1257.881659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.881659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.881659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1257.881659][ T7704] netlink_unicast+0x449/0x710 [ 1257.881659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1257.881659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1257.881659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1257.881659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1257.881659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1257.881659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.881659][ T7704] [ 1257.884151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1257.884151][ T7704] netdev_get_by_index+0x5e/0x80 [ 1257.884151][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1257.884151][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1257.884151][ T7704] ip6_route_add+0x1c/0x140 [ 1257.884151][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1257.884151][ T7704] addrconf_add_dev+0xe2/0x170 [ 1257.884151][ T7704] inet6_addr_add+0x12f/0xa40 [ 1257.884151][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.884151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.884151][ T7704] netlink_rcv_skb+0x130/0x360 [ 1257.884151][ T7704] netlink_unicast+0x449/0x710 [ 1257.884151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1257.884151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1257.884151][ T7704] ___sys_sendmsg+0xee/0x170 [ 1257.884151][ T7704] __sys_sendmsg+0xcd/0x170 [ 1257.884151][ T7704] do_syscall_64+0xc6/0x1e0 [ 1257.884151][ T7704] [ 1257.886515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1257.886515][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1257.886515][ T7704] ipv6_find_idev+0x102/0x170 [ 1257.886515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.886515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.886515][ T7704] netlink_rcv_skb+0x130/0x360 [ 1257.886515][ T7704] netlink_unicast+0x449/0x710 [ 1257.886515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1257.886515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1257.886515][ T7704] ___sys_sendmsg+0xee/0x170 [ 1257.886515][ T7704] __sys_sendmsg+0xcd/0x170 [ 1257.886515][ T7704] do_syscall_64+0xc6/0x1e0 [ 1257.886515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.886515][ T7704] [ 1257.888229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1257.888229][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1257.888229][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1257.888229][ T7704] ipv6_find_idev+0x102/0x170 [ 1257.888229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.888229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.888229][ T7704] netlink_rcv_skb+0x130/0x360 [ 1257.888229][ T7704] netlink_unicast+0x449/0x710 [ 1257.888229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1257.888229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1257.888229][ T7704] ___sys_sendmsg+0xee/0x170 [ 1257.888229][ T7704] __sys_sendmsg+0xcd/0x170 [ 1257.888229][ T7704] do_syscall_64+0xc6/0x1e0 [ 1257.888229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.888229][ T7704] [ 1268.126921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1268.127361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1268.127361][ T7704] netdev_get_by_index+0x5e/0x80 [ 1268.127361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1268.127361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1268.127361][ T7704] ip6_route_add+0x1c/0x140 [ 1268.127361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1268.127361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1268.127361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.127361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.127361][ T7704] netlink_rcv_skb+0x130/0x360 [ 1268.127361][ T7704] netlink_unicast+0x449/0x710 [ 1268.127361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1268.127361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1268.127361][ T7704] ___sys_sendmsg+0xee/0x170 [ 1268.127361][ T7704] __sys_sendmsg+0xcd/0x170 [ 1268.127361][ T7704] do_syscall_64+0xc6/0x1e0 [ 1268.127361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.127361][ T7704] [ 1268.129598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1268.129598][ T7704] netdev_get_by_index+0x5e/0x80 [ 1268.129598][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1268.129598][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1268.129598][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1268.129598][ T7704] ipv6_add_addr+0x411/0x2000 [ 1268.129598][ T7704] inet6_addr_add+0x30e/0xa40 [ 1268.129598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.129598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.129598][ T7704] netlink_rcv_skb+0x130/0x360 [ 1268.129598][ T7704] netlink_unicast+0x449/0x710 [ 1268.129598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1268.129598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1268.129598][ T7704] ___sys_sendmsg+0xee/0x170 [ 1268.129598][ T7704] __sys_sendmsg+0xcd/0x170 [ 1268.129598][ T7704] do_syscall_64+0xc6/0x1e0 [ 1268.129598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.129598][ T7704] [ 1268.131825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1268.131825][ T7704] netdev_get_by_index+0x5e/0x80 [ 1268.131825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1268.131825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1268.131825][ T7704] ip6_route_add+0x1c/0x140 [ 1268.131825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1268.131825][ T7704] addrconf_add_dev+0xe2/0x170 [ 1268.131825][ T7704] inet6_addr_add+0x12f/0xa40 [ 1268.131825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.131825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.131825][ T7704] netlink_rcv_skb+0x130/0x360 [ 1268.131825][ T7704] netlink_unicast+0x449/0x710 [ 1268.131825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1268.131825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1268.131825][ T7704] ___sys_sendmsg+0xee/0x170 [ 1268.131825][ T7704] __sys_sendmsg+0xcd/0x170 [ 1268.131825][ T7704] do_syscall_64+0xc6/0x1e0 [ 1268.131825][ T7704] [ 1268.134019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1268.134019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1268.134019][ T7704] ipv6_find_idev+0x102/0x170 [ 1268.134019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.134019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.134019][ T7704] netlink_rcv_skb+0x130/0x360 [ 1268.134019][ T7704] netlink_unicast+0x449/0x710 [ 1268.134019][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1268.134019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1268.134019][ T7704] ___sys_sendmsg+0xee/0x170 [ 1268.134019][ T7704] __sys_sendmsg+0xcd/0x170 [ 1268.134019][ T7704] do_syscall_64+0xc6/0x1e0 [ 1268.134019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.134019][ T7704] [ 1268.135735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1268.135735][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1268.135735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1268.135735][ T7704] ipv6_find_idev+0x102/0x170 [ 1268.135735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.135735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.135735][ T7704] netlink_rcv_skb+0x130/0x360 [ 1268.135735][ T7704] netlink_unicast+0x449/0x710 [ 1268.135735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1268.135735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1268.135735][ T7704] ___sys_sendmsg+0xee/0x170 [ 1268.135735][ T7704] __sys_sendmsg+0xcd/0x170 [ 1268.135735][ T7704] do_syscall_64+0xc6/0x1e0 [ 1268.135735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.135735][ T7704] [ 1278.374911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1278.375408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1278.375408][ T7704] netdev_get_by_index+0x5e/0x80 [ 1278.375408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1278.375408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1278.375408][ T7704] ip6_route_add+0x1c/0x140 [ 1278.375408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1278.375408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1278.375408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.375408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.375408][ T7704] netlink_rcv_skb+0x130/0x360 [ 1278.375408][ T7704] netlink_unicast+0x449/0x710 [ 1278.375408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1278.375408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1278.375408][ T7704] ___sys_sendmsg+0xee/0x170 [ 1278.375408][ T7704] __sys_sendmsg+0xcd/0x170 [ 1278.375408][ T7704] do_syscall_64+0xc6/0x1e0 [ 1278.375408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.375408][ T7704] [ 1278.378669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1278.378669][ T7704] netdev_get_by_index+0x5e/0x80 [ 1278.378669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1278.378669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1278.378669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1278.378669][ T7704] ipv6_add_addr+0x411/0x2000 [ 1278.378669][ T7704] inet6_addr_add+0x30e/0xa40 [ 1278.378669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.378669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.378669][ T7704] netlink_rcv_skb+0x130/0x360 [ 1278.378669][ T7704] netlink_unicast+0x449/0x710 [ 1278.378669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1278.378669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1278.378669][ T7704] ___sys_sendmsg+0xee/0x170 [ 1278.378669][ T7704] __sys_sendmsg+0xcd/0x170 [ 1278.378669][ T7704] do_syscall_64+0xc6/0x1e0 [ 1278.378669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.378669][ T7704] [ 1278.382290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1278.382290][ T7704] netdev_get_by_index+0x5e/0x80 [ 1278.382290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1278.382290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1278.382290][ T7704] ip6_route_add+0x1c/0x140 [ 1278.382290][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1278.382290][ T7704] addrconf_add_dev+0xe2/0x170 [ 1278.382290][ T7704] inet6_addr_add+0x12f/0xa40 [ 1278.382290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.382290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.382290][ T7704] netlink_rcv_skb+0x130/0x360 [ 1278.382290][ T7704] netlink_unicast+0x449/0x710 [ 1278.382290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1278.382290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1278.382290][ T7704] ___sys_sendmsg+0xee/0x170 [ 1278.382290][ T7704] __sys_sendmsg+0xcd/0x170 [ 1278.382290][ T7704] do_syscall_64+0xc6/0x1e0 [ 1278.382290][ T7704] [ 1278.384746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1278.384746][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1278.384746][ T7704] ipv6_find_idev+0x102/0x170 [ 1278.384746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.384746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.384746][ T7704] netlink_rcv_skb+0x130/0x360 [ 1278.384746][ T7704] netlink_unicast+0x449/0x710 [ 1278.384746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1278.384746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1278.384746][ T7704] ___sys_sendmsg+0xee/0x170 [ 1278.384746][ T7704] __sys_sendmsg+0xcd/0x170 [ 1278.384746][ T7704] do_syscall_64+0xc6/0x1e0 [ 1278.384746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.384746][ T7704] [ 1278.387108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1278.387108][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1278.387108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1278.387108][ T7704] ipv6_find_idev+0x102/0x170 [ 1278.387108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.387108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.387108][ T7704] netlink_rcv_skb+0x130/0x360 [ 1278.387108][ T7704] netlink_unicast+0x449/0x710 [ 1278.387108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1278.387108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1278.387108][ T7704] ___sys_sendmsg+0xee/0x170 [ 1278.387108][ T7704] __sys_sendmsg+0xcd/0x170 [ 1278.387108][ T7704] do_syscall_64+0xc6/0x1e0 [ 1278.387108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.387108][ T7704] [ 1288.542932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1288.543370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1288.543370][ T7704] netdev_get_by_index+0x5e/0x80 [ 1288.543370][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1288.543370][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1288.543370][ T7704] ip6_route_add+0x1c/0x140 [ 1288.543370][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1288.543370][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1288.543370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.543370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.543370][ T7704] netlink_rcv_skb+0x130/0x360 [ 1288.543370][ T7704] netlink_unicast+0x449/0x710 [ 1288.543370][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1288.543370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1288.543370][ T7704] ___sys_sendmsg+0xee/0x170 [ 1288.543370][ T7704] __sys_sendmsg+0xcd/0x170 [ 1288.543370][ T7704] do_syscall_64+0xc6/0x1e0 [ 1288.543370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.543370][ T7704] [ 1288.545693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1288.545693][ T7704] netdev_get_by_index+0x5e/0x80 [ 1288.545693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1288.545693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1288.545693][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1288.545693][ T7704] ipv6_add_addr+0x411/0x2000 [ 1288.545693][ T7704] inet6_addr_add+0x30e/0xa40 [ 1288.545693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.545693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.545693][ T7704] netlink_rcv_skb+0x130/0x360 [ 1288.545693][ T7704] netlink_unicast+0x449/0x710 [ 1288.545693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1288.545693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1288.545693][ T7704] ___sys_sendmsg+0xee/0x170 [ 1288.545693][ T7704] __sys_sendmsg+0xcd/0x170 [ 1288.545693][ T7704] do_syscall_64+0xc6/0x1e0 [ 1288.545693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.545693][ T7704] [ 1288.547973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1288.547973][ T7704] netdev_get_by_index+0x5e/0x80 [ 1288.547973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1288.547973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1288.547973][ T7704] ip6_route_add+0x1c/0x140 [ 1288.547973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1288.547973][ T7704] addrconf_add_dev+0xe2/0x170 [ 1288.547973][ T7704] inet6_addr_add+0x12f/0xa40 [ 1288.547973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.547973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.547973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1288.547973][ T7704] netlink_unicast+0x449/0x710 [ 1288.547973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1288.547973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1288.547973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1288.547973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1288.547973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1288.547973][ T7704] [ 1288.550143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1288.550143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1288.550143][ T7704] ipv6_find_idev+0x102/0x170 [ 1288.550143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.550143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.550143][ T7704] netlink_rcv_skb+0x130/0x360 [ 1288.550143][ T7704] netlink_unicast+0x449/0x710 [ 1288.550143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1288.550143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1288.550143][ T7704] ___sys_sendmsg+0xee/0x170 [ 1288.550143][ T7704] __sys_sendmsg+0xcd/0x170 [ 1288.550143][ T7704] do_syscall_64+0xc6/0x1e0 [ 1288.550143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.550143][ T7704] [ 1288.551839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1288.551839][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1288.551839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1288.551839][ T7704] ipv6_find_idev+0x102/0x170 [ 1288.551839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.551839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.551839][ T7704] netlink_rcv_skb+0x130/0x360 [ 1288.551839][ T7704] netlink_unicast+0x449/0x710 [ 1288.551839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1288.551839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1288.551839][ T7704] ___sys_sendmsg+0xee/0x170 [ 1288.551839][ T7704] __sys_sendmsg+0xcd/0x170 [ 1288.551839][ T7704] do_syscall_64+0xc6/0x1e0 [ 1288.551839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.551839][ T7704] [ 1298.790921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1298.791422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1298.791422][ T7704] netdev_get_by_index+0x5e/0x80 [ 1298.791422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1298.791422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1298.791422][ T7704] ip6_route_add+0x1c/0x140 [ 1298.791422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1298.791422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1298.791422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.791422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.791422][ T7704] netlink_rcv_skb+0x130/0x360 [ 1298.791422][ T7704] netlink_unicast+0x449/0x710 [ 1298.791422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1298.791422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1298.791422][ T7704] ___sys_sendmsg+0xee/0x170 [ 1298.791422][ T7704] __sys_sendmsg+0xcd/0x170 [ 1298.791422][ T7704] do_syscall_64+0xc6/0x1e0 [ 1298.791422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.791422][ T7704] [ 1298.793669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1298.793669][ T7704] netdev_get_by_index+0x5e/0x80 [ 1298.793669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1298.793669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1298.793669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1298.793669][ T7704] ipv6_add_addr+0x411/0x2000 [ 1298.793669][ T7704] inet6_addr_add+0x30e/0xa40 [ 1298.793669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.793669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.793669][ T7704] netlink_rcv_skb+0x130/0x360 [ 1298.793669][ T7704] netlink_unicast+0x449/0x710 [ 1298.793669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1298.793669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1298.793669][ T7704] ___sys_sendmsg+0xee/0x170 [ 1298.793669][ T7704] __sys_sendmsg+0xcd/0x170 [ 1298.793669][ T7704] do_syscall_64+0xc6/0x1e0 [ 1298.793669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.793669][ T7704] [ 1298.795911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1298.795911][ T7704] netdev_get_by_index+0x5e/0x80 [ 1298.795911][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1298.795911][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1298.795911][ T7704] ip6_route_add+0x1c/0x140 [ 1298.795911][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1298.795911][ T7704] addrconf_add_dev+0xe2/0x170 [ 1298.795911][ T7704] inet6_addr_add+0x12f/0xa40 [ 1298.795911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.795911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.795911][ T7704] netlink_rcv_skb+0x130/0x360 [ 1298.795911][ T7704] netlink_unicast+0x449/0x710 [ 1298.795911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1298.795911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1298.795911][ T7704] ___sys_sendmsg+0xee/0x170 [ 1298.795911][ T7704] __sys_sendmsg+0xcd/0x170 [ 1298.795911][ T7704] do_syscall_64+0xc6/0x1e0 [ 1298.795911][ T7704] [ 1298.798095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1298.798095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1298.798095][ T7704] ipv6_find_idev+0x102/0x170 [ 1298.798095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.798095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.798095][ T7704] netlink_rcv_skb+0x130/0x360 [ 1298.798095][ T7704] netlink_unicast+0x449/0x710 [ 1298.798095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1298.798095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1298.798095][ T7704] ___sys_sendmsg+0xee/0x170 [ 1298.798095][ T7704] __sys_sendmsg+0xcd/0x170 [ 1298.798095][ T7704] do_syscall_64+0xc6/0x1e0 [ 1298.798095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.798095][ T7704] [ 1298.799805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1298.799805][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1298.799805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1298.799805][ T7704] ipv6_find_idev+0x102/0x170 [ 1298.799805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.799805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.799805][ T7704] netlink_rcv_skb+0x130/0x360 [ 1298.799805][ T7704] netlink_unicast+0x449/0x710 [ 1298.799805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1298.799805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1298.799805][ T7704] ___sys_sendmsg+0xee/0x170 [ 1298.799805][ T7704] __sys_sendmsg+0xcd/0x170 [ 1298.799805][ T7704] do_syscall_64+0xc6/0x1e0 [ 1298.799805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.799805][ T7704] [ 1308.934899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1308.935327][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1308.935327][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.935327][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.935327][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.935327][ T7704] ip6_route_add+0x1c/0x140 [ 1308.935327][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1308.935327][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1308.935327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.935327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.935327][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.935327][ T7704] netlink_unicast+0x449/0x710 [ 1308.935327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.935327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.935327][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.935327][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.935327][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.935327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.935327][ T7704] [ 1308.937562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1308.937562][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.937562][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.937562][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.937562][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1308.937562][ T7704] ipv6_add_addr+0x411/0x2000 [ 1308.937562][ T7704] inet6_addr_add+0x30e/0xa40 [ 1308.937562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.937562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.937562][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.937562][ T7704] netlink_unicast+0x449/0x710 [ 1308.937562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.937562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.937562][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.937562][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.937562][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.937562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.937562][ T7704] [ 1308.939778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1308.939778][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.939778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.939778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.939778][ T7704] ip6_route_add+0x1c/0x140 [ 1308.939778][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1308.939778][ T7704] addrconf_add_dev+0xe2/0x170 [ 1308.939778][ T7704] inet6_addr_add+0x12f/0xa40 [ 1308.939778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.939778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.939778][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.939778][ T7704] netlink_unicast+0x449/0x710 [ 1308.939778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.939778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.939778][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.939778][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.939778][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.939778][ T7704] [ 1308.942003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1308.942003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1308.942003][ T7704] ipv6_find_idev+0x102/0x170 [ 1308.942003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.942003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.942003][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.942003][ T7704] netlink_unicast+0x449/0x710 [ 1308.942003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.942003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.942003][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.942003][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.942003][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.942003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.942003][ T7704] [ 1308.943755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1308.943755][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1308.943755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1308.943755][ T7704] ipv6_find_idev+0x102/0x170 [ 1308.943755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.943755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.943755][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.943755][ T7704] netlink_unicast+0x449/0x710 [ 1308.943755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.943755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.943755][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.943755][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.943755][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.943755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.943755][ T7704] [ 1318.958894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1318.959333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1318.959333][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.959333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.959333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.959333][ T7704] ip6_route_add+0x1c/0x140 [ 1318.959333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1318.959333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1318.959333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.959333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.959333][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.959333][ T7704] netlink_unicast+0x449/0x710 [ 1318.959333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.959333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.959333][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.959333][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.959333][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.959333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.959333][ T7704] [ 1318.961583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1318.961583][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.961583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.961583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.961583][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1318.961583][ T7704] ipv6_add_addr+0x411/0x2000 [ 1318.961583][ T7704] inet6_addr_add+0x30e/0xa40 [ 1318.961583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.961583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.961583][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.961583][ T7704] netlink_unicast+0x449/0x710 [ 1318.961583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.961583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.961583][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.961583][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.961583][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.961583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.961583][ T7704] [ 1318.963874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1318.963874][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.963874][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.963874][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.963874][ T7704] ip6_route_add+0x1c/0x140 [ 1318.963874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1318.963874][ T7704] addrconf_add_dev+0xe2/0x170 [ 1318.963874][ T7704] inet6_addr_add+0x12f/0xa40 [ 1318.963874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.963874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.963874][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.963874][ T7704] netlink_unicast+0x449/0x710 [ 1318.963874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.963874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.963874][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.963874][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.963874][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.963874][ T7704] [ 1318.966096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1318.966096][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1318.966096][ T7704] ipv6_find_idev+0x102/0x170 [ 1318.966096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.966096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.966096][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.966096][ T7704] netlink_unicast+0x449/0x710 [ 1318.966096][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.966096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.966096][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.966096][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.966096][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.966096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.966096][ T7704] [ 1318.967808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1318.967808][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1318.967808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1318.967808][ T7704] ipv6_find_idev+0x102/0x170 [ 1318.967808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.967808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.967808][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.967808][ T7704] netlink_unicast+0x449/0x710 [ 1318.967808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.967808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.967808][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.967808][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.967808][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.967808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.967808][ T7704] [ 1329.214960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1329.215396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1329.215396][ T7704] netdev_get_by_index+0x5e/0x80 [ 1329.215396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1329.215396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1329.215396][ T7704] ip6_route_add+0x1c/0x140 [ 1329.215396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1329.215396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1329.215396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.215396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.215396][ T7704] netlink_rcv_skb+0x130/0x360 [ 1329.215396][ T7704] netlink_unicast+0x449/0x710 [ 1329.215396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1329.215396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1329.215396][ T7704] ___sys_sendmsg+0xee/0x170 [ 1329.215396][ T7704] __sys_sendmsg+0xcd/0x170 [ 1329.215396][ T7704] do_syscall_64+0xc6/0x1e0 [ 1329.215396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.215396][ T7704] [ 1329.217854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1329.217854][ T7704] netdev_get_by_index+0x5e/0x80 [ 1329.217854][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1329.217854][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1329.217854][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1329.217854][ T7704] ipv6_add_addr+0x411/0x2000 [ 1329.217854][ T7704] inet6_addr_add+0x30e/0xa40 [ 1329.217854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.217854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.217854][ T7704] netlink_rcv_skb+0x130/0x360 [ 1329.217854][ T7704] netlink_unicast+0x449/0x710 [ 1329.217854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1329.217854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1329.217854][ T7704] ___sys_sendmsg+0xee/0x170 [ 1329.217854][ T7704] __sys_sendmsg+0xcd/0x170 [ 1329.217854][ T7704] do_syscall_64+0xc6/0x1e0 [ 1329.217854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.217854][ T7704] [ 1329.220266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1329.220266][ T7704] netdev_get_by_index+0x5e/0x80 [ 1329.220266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1329.220266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1329.220266][ T7704] ip6_route_add+0x1c/0x140 [ 1329.220266][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1329.220266][ T7704] addrconf_add_dev+0xe2/0x170 [ 1329.220266][ T7704] inet6_addr_add+0x12f/0xa40 [ 1329.220266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.220266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.220266][ T7704] netlink_rcv_skb+0x130/0x360 [ 1329.220266][ T7704] netlink_unicast+0x449/0x710 [ 1329.220266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1329.220266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1329.220266][ T7704] ___sys_sendmsg+0xee/0x170 [ 1329.220266][ T7704] __sys_sendmsg+0xcd/0x170 [ 1329.220266][ T7704] do_syscall_64+0xc6/0x1e0 [ 1329.220266][ T7704] [ 1329.222492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1329.222492][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1329.222492][ T7704] ipv6_find_idev+0x102/0x170 [ 1329.222492][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.222492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.222492][ T7704] netlink_rcv_skb+0x130/0x360 [ 1329.222492][ T7704] netlink_unicast+0x449/0x710 [ 1329.222492][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1329.222492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1329.222492][ T7704] ___sys_sendmsg+0xee/0x170 [ 1329.222492][ T7704] __sys_sendmsg+0xcd/0x170 [ 1329.222492][ T7704] do_syscall_64+0xc6/0x1e0 [ 1329.222492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.222492][ T7704] [ 1329.224418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1329.224418][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1329.224418][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1329.224418][ T7704] ipv6_find_idev+0x102/0x170 [ 1329.224418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.224418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.224418][ T7704] netlink_rcv_skb+0x130/0x360 [ 1329.224418][ T7704] netlink_unicast+0x449/0x710 [ 1329.224418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1329.224418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1329.224418][ T7704] ___sys_sendmsg+0xee/0x170 [ 1329.224418][ T7704] __sys_sendmsg+0xcd/0x170 [ 1329.224418][ T7704] do_syscall_64+0xc6/0x1e0 [ 1329.224418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.224418][ T7704] [ 1339.478985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1339.479443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1339.479443][ T7704] netdev_get_by_index+0x5e/0x80 [ 1339.479443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1339.479443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1339.479443][ T7704] ip6_route_add+0x1c/0x140 [ 1339.479443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1339.479443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1339.479443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.479443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.479443][ T7704] netlink_rcv_skb+0x130/0x360 [ 1339.479443][ T7704] netlink_unicast+0x449/0x710 [ 1339.479443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1339.479443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1339.479443][ T7704] ___sys_sendmsg+0xee/0x170 [ 1339.479443][ T7704] __sys_sendmsg+0xcd/0x170 [ 1339.479443][ T7704] do_syscall_64+0xc6/0x1e0 [ 1339.479443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.479443][ T7704] [ 1339.481686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1339.481686][ T7704] netdev_get_by_index+0x5e/0x80 [ 1339.481686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1339.481686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1339.481686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1339.481686][ T7704] ipv6_add_addr+0x411/0x2000 [ 1339.481686][ T7704] inet6_addr_add+0x30e/0xa40 [ 1339.481686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.481686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.481686][ T7704] netlink_rcv_skb+0x130/0x360 [ 1339.481686][ T7704] netlink_unicast+0x449/0x710 [ 1339.481686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1339.481686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1339.481686][ T7704] ___sys_sendmsg+0xee/0x170 [ 1339.481686][ T7704] __sys_sendmsg+0xcd/0x170 [ 1339.481686][ T7704] do_syscall_64+0xc6/0x1e0 [ 1339.481686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.481686][ T7704] [ 1339.483932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1339.483932][ T7704] netdev_get_by_index+0x5e/0x80 [ 1339.483932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1339.483932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1339.483932][ T7704] ip6_route_add+0x1c/0x140 [ 1339.483932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1339.483932][ T7704] addrconf_add_dev+0xe2/0x170 [ 1339.483932][ T7704] inet6_addr_add+0x12f/0xa40 [ 1339.483932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.483932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.483932][ T7704] netlink_rcv_skb+0x130/0x360 [ 1339.483932][ T7704] netlink_unicast+0x449/0x710 [ 1339.483932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1339.483932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1339.483932][ T7704] ___sys_sendmsg+0xee/0x170 [ 1339.483932][ T7704] __sys_sendmsg+0xcd/0x170 [ 1339.483932][ T7704] do_syscall_64+0xc6/0x1e0 [ 1339.483932][ T7704] [ 1339.486121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1339.486121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1339.486121][ T7704] ipv6_find_idev+0x102/0x170 [ 1339.486121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.486121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.486121][ T7704] netlink_rcv_skb+0x130/0x360 [ 1339.486121][ T7704] netlink_unicast+0x449/0x710 [ 1339.486121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1339.486121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1339.486121][ T7704] ___sys_sendmsg+0xee/0x170 [ 1339.486121][ T7704] __sys_sendmsg+0xcd/0x170 [ 1339.486121][ T7704] do_syscall_64+0xc6/0x1e0 [ 1339.486121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.486121][ T7704] [ 1339.487851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1339.487851][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1339.487851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1339.487851][ T7704] ipv6_find_idev+0x102/0x170 [ 1339.487851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.487851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.487851][ T7704] netlink_rcv_skb+0x130/0x360 [ 1339.487851][ T7704] netlink_unicast+0x449/0x710 [ 1339.487851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1339.487851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1339.487851][ T7704] ___sys_sendmsg+0xee/0x170 [ 1339.487851][ T7704] __sys_sendmsg+0xcd/0x170 [ 1339.487851][ T7704] do_syscall_64+0xc6/0x1e0 [ 1339.487851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.487851][ T7704] [ 1349.742906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1349.743349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1349.743349][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.743349][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.743349][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.743349][ T7704] ip6_route_add+0x1c/0x140 [ 1349.743349][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1349.743349][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1349.743349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.743349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.743349][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.743349][ T7704] netlink_unicast+0x449/0x710 [ 1349.743349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.743349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.743349][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.743349][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.743349][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.743349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.743349][ T7704] [ 1349.745614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1349.745614][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.745614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.745614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.745614][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1349.745614][ T7704] ipv6_add_addr+0x411/0x2000 [ 1349.745614][ T7704] inet6_addr_add+0x30e/0xa40 [ 1349.745614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.745614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.745614][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.745614][ T7704] netlink_unicast+0x449/0x710 [ 1349.745614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.745614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.745614][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.745614][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.745614][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.745614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.745614][ T7704] [ 1349.747853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1349.747853][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.747853][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.747853][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.747853][ T7704] ip6_route_add+0x1c/0x140 [ 1349.747853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1349.747853][ T7704] addrconf_add_dev+0xe2/0x170 [ 1349.747853][ T7704] inet6_addr_add+0x12f/0xa40 [ 1349.747853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.747853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.747853][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.747853][ T7704] netlink_unicast+0x449/0x710 [ 1349.747853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.747853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.747853][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.747853][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.747853][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.747853][ T7704] [ 1349.750139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1349.750139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1349.750139][ T7704] ipv6_find_idev+0x102/0x170 [ 1349.750139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.750139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.750139][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.750139][ T7704] netlink_unicast+0x449/0x710 [ 1349.750139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.750139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.750139][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.750139][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.750139][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.750139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.750139][ T7704] [ 1349.752018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1349.752018][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1349.752018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1349.752018][ T7704] ipv6_find_idev+0x102/0x170 [ 1349.752018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.752018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.752018][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.752018][ T7704] netlink_unicast+0x449/0x710 [ 1349.752018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.752018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.752018][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.752018][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.752018][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.752018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.752018][ T7704] [ 1359.758876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1359.759395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1359.759395][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.759395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.759395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.759395][ T7704] ip6_route_add+0x1c/0x140 [ 1359.759395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1359.759395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1359.759395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.759395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.759395][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.759395][ T7704] netlink_unicast+0x449/0x710 [ 1359.759395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.759395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.759395][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.759395][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.759395][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.759395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.759395][ T7704] [ 1359.761838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1359.761838][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.761838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.761838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.761838][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1359.761838][ T7704] ipv6_add_addr+0x411/0x2000 [ 1359.761838][ T7704] inet6_addr_add+0x30e/0xa40 [ 1359.761838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.761838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.761838][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.761838][ T7704] netlink_unicast+0x449/0x710 [ 1359.761838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.761838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.761838][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.761838][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.761838][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.761838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.761838][ T7704] [ 1359.764159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1359.764159][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.764159][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.764159][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.764159][ T7704] ip6_route_add+0x1c/0x140 [ 1359.764159][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1359.764159][ T7704] addrconf_add_dev+0xe2/0x170 [ 1359.764159][ T7704] inet6_addr_add+0x12f/0xa40 [ 1359.764159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.764159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.764159][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.764159][ T7704] netlink_unicast+0x449/0x710 [ 1359.764159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.764159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.764159][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.764159][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.764159][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.764159][ T7704] [ 1359.766403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1359.766403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1359.766403][ T7704] ipv6_find_idev+0x102/0x170 [ 1359.766403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.766403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.766403][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.766403][ T7704] netlink_unicast+0x449/0x710 [ 1359.766403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.766403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.766403][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.766403][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.766403][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.766403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.766403][ T7704] [ 1359.768209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1359.768209][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1359.768209][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1359.768209][ T7704] ipv6_find_idev+0x102/0x170 [ 1359.768209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.768209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.768209][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.768209][ T7704] netlink_unicast+0x449/0x710 [ 1359.768209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.768209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.768209][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.768209][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.768209][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.768209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.768209][ T7704] [ 1370.006916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1370.007343][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1370.007343][ T7704] netdev_get_by_index+0x5e/0x80 [ 1370.007343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1370.007343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1370.007343][ T7704] ip6_route_add+0x1c/0x140 [ 1370.007343][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1370.007343][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1370.007343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.007343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.007343][ T7704] netlink_rcv_skb+0x130/0x360 [ 1370.007343][ T7704] netlink_unicast+0x449/0x710 [ 1370.007343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1370.007343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1370.007343][ T7704] ___sys_sendmsg+0xee/0x170 [ 1370.007343][ T7704] __sys_sendmsg+0xcd/0x170 [ 1370.007343][ T7704] do_syscall_64+0xc6/0x1e0 [ 1370.007343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.007343][ T7704] [ 1370.009741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1370.009741][ T7704] netdev_get_by_index+0x5e/0x80 [ 1370.009741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1370.009741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1370.009741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1370.009741][ T7704] ipv6_add_addr+0x411/0x2000 [ 1370.009741][ T7704] inet6_addr_add+0x30e/0xa40 [ 1370.009741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.009741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.009741][ T7704] netlink_rcv_skb+0x130/0x360 [ 1370.009741][ T7704] netlink_unicast+0x449/0x710 [ 1370.009741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1370.009741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1370.009741][ T7704] ___sys_sendmsg+0xee/0x170 [ 1370.009741][ T7704] __sys_sendmsg+0xcd/0x170 [ 1370.009741][ T7704] do_syscall_64+0xc6/0x1e0 [ 1370.009741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.009741][ T7704] [ 1370.011984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1370.011984][ T7704] netdev_get_by_index+0x5e/0x80 [ 1370.011984][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1370.011984][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1370.011984][ T7704] ip6_route_add+0x1c/0x140 [ 1370.011984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1370.011984][ T7704] addrconf_add_dev+0xe2/0x170 [ 1370.011984][ T7704] inet6_addr_add+0x12f/0xa40 [ 1370.011984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.011984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.011984][ T7704] netlink_rcv_skb+0x130/0x360 [ 1370.011984][ T7704] netlink_unicast+0x449/0x710 [ 1370.011984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1370.011984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1370.011984][ T7704] ___sys_sendmsg+0xee/0x170 [ 1370.011984][ T7704] __sys_sendmsg+0xcd/0x170 [ 1370.011984][ T7704] do_syscall_64+0xc6/0x1e0 [ 1370.011984][ T7704] [ 1370.014212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1370.014212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1370.014212][ T7704] ipv6_find_idev+0x102/0x170 [ 1370.014212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1370.014212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.014212][ T7704] netlink_rcv_skb+0x130/0x360 [ 1370.014212][ T7704] netlink_unicast+0x449/0x710 [ 1370.014212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1370.014212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1370.014212][ T7704] ___sys_sendmsg+0xee/0x170 [ 1370.014212][ T7704] __sys_sendmsg+0xcd/0x170 [ 1370.014212][ T7704] do_syscall_64+0xc6/0x1e0 [ 1370.014212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.014212][ T7704] [ 1370.015926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1370.015926][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1370.015926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1370.015926][ T7704] ipv6_find_idev+0x102/0x170 [ 1370.015926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1370.015926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.015926][ T7704] netlink_rcv_skb+0x130/0x360 [ 1370.015926][ T7704] netlink_unicast+0x449/0x710 [ 1370.015926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1370.015926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1370.015926][ T7704] ___sys_sendmsg+0xee/0x170 [ 1370.015926][ T7704] __sys_sendmsg+0xcd/0x170 [ 1370.015926][ T7704] do_syscall_64+0xc6/0x1e0 [ 1370.015926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.015926][ T7704] [ 1380.254933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1380.255470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1380.255470][ T7704] netdev_get_by_index+0x5e/0x80 [ 1380.255470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1380.255470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1380.255470][ T7704] ip6_route_add+0x1c/0x140 [ 1380.255470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1380.255470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1380.255470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.255470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.255470][ T7704] netlink_rcv_skb+0x130/0x360 [ 1380.255470][ T7704] netlink_unicast+0x449/0x710 [ 1380.255470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1380.255470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1380.255470][ T7704] ___sys_sendmsg+0xee/0x170 [ 1380.255470][ T7704] __sys_sendmsg+0xcd/0x170 [ 1380.255470][ T7704] do_syscall_64+0xc6/0x1e0 [ 1380.255470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.255470][ T7704] [ 1380.257852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1380.257852][ T7704] netdev_get_by_index+0x5e/0x80 [ 1380.257852][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1380.257852][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1380.257852][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1380.257852][ T7704] ipv6_add_addr+0x411/0x2000 [ 1380.257852][ T7704] inet6_addr_add+0x30e/0xa40 [ 1380.257852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.257852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.257852][ T7704] netlink_rcv_skb+0x130/0x360 [ 1380.257852][ T7704] netlink_unicast+0x449/0x710 [ 1380.257852][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1380.257852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1380.257852][ T7704] ___sys_sendmsg+0xee/0x170 [ 1380.257852][ T7704] __sys_sendmsg+0xcd/0x170 [ 1380.257852][ T7704] do_syscall_64+0xc6/0x1e0 [ 1380.257852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.257852][ T7704] [ 1380.260231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1380.260231][ T7704] netdev_get_by_index+0x5e/0x80 [ 1380.260231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1380.260231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1380.260231][ T7704] ip6_route_add+0x1c/0x140 [ 1380.260231][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1380.260231][ T7704] addrconf_add_dev+0xe2/0x170 [ 1380.260231][ T7704] inet6_addr_add+0x12f/0xa40 [ 1380.260231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.260231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.260231][ T7704] netlink_rcv_skb+0x130/0x360 [ 1380.260231][ T7704] netlink_unicast+0x449/0x710 [ 1380.260231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1380.260231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1380.260231][ T7704] ___sys_sendmsg+0xee/0x170 [ 1380.260231][ T7704] __sys_sendmsg+0xcd/0x170 [ 1380.260231][ T7704] do_syscall_64+0xc6/0x1e0 [ 1380.260231][ T7704] [ 1380.262601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1380.262601][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1380.262601][ T7704] ipv6_find_idev+0x102/0x170 [ 1380.262601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.262601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.262601][ T7704] netlink_rcv_skb+0x130/0x360 [ 1380.262601][ T7704] netlink_unicast+0x449/0x710 [ 1380.262601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1380.262601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1380.262601][ T7704] ___sys_sendmsg+0xee/0x170 [ 1380.262601][ T7704] __sys_sendmsg+0xcd/0x170 [ 1380.262601][ T7704] do_syscall_64+0xc6/0x1e0 [ 1380.262601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.262601][ T7704] [ 1380.264445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1380.264445][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1380.264445][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1380.264445][ T7704] ipv6_find_idev+0x102/0x170 [ 1380.264445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.264445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.264445][ T7704] netlink_rcv_skb+0x130/0x360 [ 1380.264445][ T7704] netlink_unicast+0x449/0x710 [ 1380.264445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1380.264445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1380.264445][ T7704] ___sys_sendmsg+0xee/0x170 [ 1380.264445][ T7704] __sys_sendmsg+0xcd/0x170 [ 1380.264445][ T7704] do_syscall_64+0xc6/0x1e0 [ 1380.264445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.264445][ T7704] [ 1390.502878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1390.503342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1390.503342][ T7704] netdev_get_by_index+0x5e/0x80 [ 1390.503342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1390.503342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1390.503342][ T7704] ip6_route_add+0x1c/0x140 [ 1390.503342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1390.503342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1390.503342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.503342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.503342][ T7704] netlink_rcv_skb+0x130/0x360 [ 1390.503342][ T7704] netlink_unicast+0x449/0x710 [ 1390.503342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1390.503342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1390.503342][ T7704] ___sys_sendmsg+0xee/0x170 [ 1390.503342][ T7704] __sys_sendmsg+0xcd/0x170 [ 1390.503342][ T7704] do_syscall_64+0xc6/0x1e0 [ 1390.503342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.503342][ T7704] [ 1390.505744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1390.505744][ T7704] netdev_get_by_index+0x5e/0x80 [ 1390.505744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1390.505744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1390.505744][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1390.505744][ T7704] ipv6_add_addr+0x411/0x2000 [ 1390.505744][ T7704] inet6_addr_add+0x30e/0xa40 [ 1390.505744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.505744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.505744][ T7704] netlink_rcv_skb+0x130/0x360 [ 1390.505744][ T7704] netlink_unicast+0x449/0x710 [ 1390.505744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1390.505744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1390.505744][ T7704] ___sys_sendmsg+0xee/0x170 [ 1390.505744][ T7704] __sys_sendmsg+0xcd/0x170 [ 1390.505744][ T7704] do_syscall_64+0xc6/0x1e0 [ 1390.505744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.505744][ T7704] [ 1390.508008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1390.508008][ T7704] netdev_get_by_index+0x5e/0x80 [ 1390.508008][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1390.508008][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1390.508008][ T7704] ip6_route_add+0x1c/0x140 [ 1390.508008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1390.508008][ T7704] addrconf_add_dev+0xe2/0x170 [ 1390.508008][ T7704] inet6_addr_add+0x12f/0xa40 [ 1390.508008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.508008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.508008][ T7704] netlink_rcv_skb+0x130/0x360 [ 1390.508008][ T7704] netlink_unicast+0x449/0x710 [ 1390.508008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1390.508008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1390.508008][ T7704] ___sys_sendmsg+0xee/0x170 [ 1390.508008][ T7704] __sys_sendmsg+0xcd/0x170 [ 1390.508008][ T7704] do_syscall_64+0xc6/0x1e0 [ 1390.508008][ T7704] [ 1390.510240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1390.510240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1390.510240][ T7704] ipv6_find_idev+0x102/0x170 [ 1390.510240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.510240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.510240][ T7704] netlink_rcv_skb+0x130/0x360 [ 1390.510240][ T7704] netlink_unicast+0x449/0x710 [ 1390.510240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1390.510240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1390.510240][ T7704] ___sys_sendmsg+0xee/0x170 [ 1390.510240][ T7704] __sys_sendmsg+0xcd/0x170 [ 1390.510240][ T7704] do_syscall_64+0xc6/0x1e0 [ 1390.510240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.510240][ T7704] [ 1390.511973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1390.511973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1390.511973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1390.511973][ T7704] ipv6_find_idev+0x102/0x170 [ 1390.511973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.511973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.511973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1390.511973][ T7704] netlink_unicast+0x449/0x710 [ 1390.511973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1390.511973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1390.511973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1390.511973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1390.511973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1390.511973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.511973][ T7704] [ 1400.750969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1400.751446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1400.751446][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.751446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.751446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.751446][ T7704] ip6_route_add+0x1c/0x140 [ 1400.751446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1400.751446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1400.751446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.751446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.751446][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.751446][ T7704] netlink_unicast+0x449/0x710 [ 1400.751446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.751446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.751446][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.751446][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.751446][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.751446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.751446][ T7704] [ 1400.753856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1400.753856][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.753856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.753856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.753856][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1400.753856][ T7704] ipv6_add_addr+0x411/0x2000 [ 1400.753856][ T7704] inet6_addr_add+0x30e/0xa40 [ 1400.753856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.753856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.753856][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.753856][ T7704] netlink_unicast+0x449/0x710 [ 1400.753856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.753856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.753856][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.753856][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.753856][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.753856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.753856][ T7704] [ 1400.756288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1400.756288][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.756288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.756288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.756288][ T7704] ip6_route_add+0x1c/0x140 [ 1400.756288][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1400.756288][ T7704] addrconf_add_dev+0xe2/0x170 [ 1400.756288][ T7704] inet6_addr_add+0x12f/0xa40 [ 1400.756288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.756288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.756288][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.756288][ T7704] netlink_unicast+0x449/0x710 [ 1400.756288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.756288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.756288][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.756288][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.756288][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.756288][ T7704] [ 1400.758586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1400.758586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1400.758586][ T7704] ipv6_find_idev+0x102/0x170 [ 1400.758586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.758586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.758586][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.758586][ T7704] netlink_unicast+0x449/0x710 [ 1400.758586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.758586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.758586][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.758586][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.758586][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.758586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.758586][ T7704] [ 1400.760355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1400.760355][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1400.760355][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1400.760355][ T7704] ipv6_find_idev+0x102/0x170 [ 1400.760355][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.760355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.760355][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.760355][ T7704] netlink_unicast+0x449/0x710 [ 1400.760355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.760355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.760355][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.760355][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.760355][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.760355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.760355][ T7704] [ 1410.998911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1410.999361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1410.999361][ T7704] netdev_get_by_index+0x5e/0x80 [ 1410.999361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1410.999361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1410.999361][ T7704] ip6_route_add+0x1c/0x140 [ 1410.999361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1410.999361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1410.999361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.999361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.999361][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.999361][ T7704] netlink_unicast+0x449/0x710 [ 1410.999361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.999361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.999361][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.999361][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.999361][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.999361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.999361][ T7704] [ 1411.001624][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1411.001624][ T7704] netdev_get_by_index+0x5e/0x80 [ 1411.001624][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1411.001624][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1411.001624][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1411.001624][ T7704] ipv6_add_addr+0x411/0x2000 [ 1411.001624][ T7704] inet6_addr_add+0x30e/0xa40 [ 1411.001624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.001624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.001624][ T7704] netlink_rcv_skb+0x130/0x360 [ 1411.001624][ T7704] netlink_unicast+0x449/0x710 [ 1411.001624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1411.001624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1411.001624][ T7704] ___sys_sendmsg+0xee/0x170 [ 1411.001624][ T7704] __sys_sendmsg+0xcd/0x170 [ 1411.001624][ T7704] do_syscall_64+0xc6/0x1e0 [ 1411.001624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.001624][ T7704] [ 1411.004504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1411.004504][ T7704] netdev_get_by_index+0x5e/0x80 [ 1411.004504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1411.004504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1411.004504][ T7704] ip6_route_add+0x1c/0x140 [ 1411.004504][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1411.004504][ T7704] addrconf_add_dev+0xe2/0x170 [ 1411.004504][ T7704] inet6_addr_add+0x12f/0xa40 [ 1411.004504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.004504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.004504][ T7704] netlink_rcv_skb+0x130/0x360 [ 1411.004504][ T7704] netlink_unicast+0x449/0x710 [ 1411.004504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1411.004504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1411.004504][ T7704] ___sys_sendmsg+0xee/0x170 [ 1411.004504][ T7704] __sys_sendmsg+0xcd/0x170 [ 1411.004504][ T7704] do_syscall_64+0xc6/0x1e0 [ 1411.004504][ T7704] [ 1411.006713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1411.006713][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1411.006713][ T7704] ipv6_find_idev+0x102/0x170 [ 1411.006713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.006713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.006713][ T7704] netlink_rcv_skb+0x130/0x360 [ 1411.006713][ T7704] netlink_unicast+0x449/0x710 [ 1411.006713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1411.006713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1411.006713][ T7704] ___sys_sendmsg+0xee/0x170 [ 1411.006713][ T7704] __sys_sendmsg+0xcd/0x170 [ 1411.006713][ T7704] do_syscall_64+0xc6/0x1e0 [ 1411.006713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.006713][ T7704] [ 1411.008435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1411.008435][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1411.008435][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1411.008435][ T7704] ipv6_find_idev+0x102/0x170 [ 1411.008435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.008435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.008435][ T7704] netlink_rcv_skb+0x130/0x360 [ 1411.008435][ T7704] netlink_unicast+0x449/0x710 [ 1411.008435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1411.008435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1411.008435][ T7704] ___sys_sendmsg+0xee/0x170 [ 1411.008435][ T7704] __sys_sendmsg+0xcd/0x170 [ 1411.008435][ T7704] do_syscall_64+0xc6/0x1e0 [ 1411.008435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.008435][ T7704] [ 1421.246946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1421.247518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1421.247518][ T7704] netdev_get_by_index+0x5e/0x80 [ 1421.247518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1421.247518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1421.247518][ T7704] ip6_route_add+0x1c/0x140 [ 1421.247518][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1421.247518][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1421.247518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.247518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.247518][ T7704] netlink_rcv_skb+0x130/0x360 [ 1421.247518][ T7704] netlink_unicast+0x449/0x710 [ 1421.247518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1421.247518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1421.247518][ T7704] ___sys_sendmsg+0xee/0x170 [ 1421.247518][ T7704] __sys_sendmsg+0xcd/0x170 [ 1421.247518][ T7704] do_syscall_64+0xc6/0x1e0 [ 1421.247518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.247518][ T7704] [ 1421.249818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1421.249818][ T7704] netdev_get_by_index+0x5e/0x80 [ 1421.249818][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1421.249818][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1421.249818][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1421.249818][ T7704] ipv6_add_addr+0x411/0x2000 [ 1421.249818][ T7704] inet6_addr_add+0x30e/0xa40 [ 1421.249818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.249818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.249818][ T7704] netlink_rcv_skb+0x130/0x360 [ 1421.249818][ T7704] netlink_unicast+0x449/0x710 [ 1421.249818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1421.249818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1421.249818][ T7704] ___sys_sendmsg+0xee/0x170 [ 1421.249818][ T7704] __sys_sendmsg+0xcd/0x170 [ 1421.249818][ T7704] do_syscall_64+0xc6/0x1e0 [ 1421.249818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.249818][ T7704] [ 1421.252069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1421.252069][ T7704] netdev_get_by_index+0x5e/0x80 [ 1421.252069][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1421.252069][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1421.252069][ T7704] ip6_route_add+0x1c/0x140 [ 1421.252069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1421.252069][ T7704] addrconf_add_dev+0xe2/0x170 [ 1421.252069][ T7704] inet6_addr_add+0x12f/0xa40 [ 1421.252069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.252069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.252069][ T7704] netlink_rcv_skb+0x130/0x360 [ 1421.252069][ T7704] netlink_unicast+0x449/0x710 [ 1421.252069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1421.252069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1421.252069][ T7704] ___sys_sendmsg+0xee/0x170 [ 1421.252069][ T7704] __sys_sendmsg+0xcd/0x170 [ 1421.252069][ T7704] do_syscall_64+0xc6/0x1e0 [ 1421.252069][ T7704] [ 1421.254294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1421.254294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1421.254294][ T7704] ipv6_find_idev+0x102/0x170 [ 1421.254294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.254294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.254294][ T7704] netlink_rcv_skb+0x130/0x360 [ 1421.254294][ T7704] netlink_unicast+0x449/0x710 [ 1421.254294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1421.254294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1421.254294][ T7704] ___sys_sendmsg+0xee/0x170 [ 1421.254294][ T7704] __sys_sendmsg+0xcd/0x170 [ 1421.254294][ T7704] do_syscall_64+0xc6/0x1e0 [ 1421.254294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.254294][ T7704] [ 1421.256026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1421.256026][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1421.256026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1421.256026][ T7704] ipv6_find_idev+0x102/0x170 [ 1421.256026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.256026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.256026][ T7704] netlink_rcv_skb+0x130/0x360 [ 1421.256026][ T7704] netlink_unicast+0x449/0x710 [ 1421.256026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1421.256026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1421.256026][ T7704] ___sys_sendmsg+0xee/0x170 [ 1421.256026][ T7704] __sys_sendmsg+0xcd/0x170 [ 1421.256026][ T7704] do_syscall_64+0xc6/0x1e0 [ 1421.256026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.256026][ T7704] [ 1431.494952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1431.495430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1431.495430][ T7704] netdev_get_by_index+0x5e/0x80 [ 1431.495430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1431.495430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1431.495430][ T7704] ip6_route_add+0x1c/0x140 [ 1431.495430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1431.495430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1431.495430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.495430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.495430][ T7704] netlink_rcv_skb+0x130/0x360 [ 1431.495430][ T7704] netlink_unicast+0x449/0x710 [ 1431.495430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1431.495430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1431.495430][ T7704] ___sys_sendmsg+0xee/0x170 [ 1431.495430][ T7704] __sys_sendmsg+0xcd/0x170 [ 1431.495430][ T7704] do_syscall_64+0xc6/0x1e0 [ 1431.495430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.495430][ T7704] [ 1431.497744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1431.497744][ T7704] netdev_get_by_index+0x5e/0x80 [ 1431.497744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1431.497744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1431.497744][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1431.497744][ T7704] ipv6_add_addr+0x411/0x2000 [ 1431.497744][ T7704] inet6_addr_add+0x30e/0xa40 [ 1431.497744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.497744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.497744][ T7704] netlink_rcv_skb+0x130/0x360 [ 1431.497744][ T7704] netlink_unicast+0x449/0x710 [ 1431.497744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1431.497744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1431.497744][ T7704] ___sys_sendmsg+0xee/0x170 [ 1431.497744][ T7704] __sys_sendmsg+0xcd/0x170 [ 1431.497744][ T7704] do_syscall_64+0xc6/0x1e0 [ 1431.497744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.497744][ T7704] [ 1431.499957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1431.499957][ T7704] netdev_get_by_index+0x5e/0x80 [ 1431.499957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1431.499957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1431.499957][ T7704] ip6_route_add+0x1c/0x140 [ 1431.499957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1431.499957][ T7704] addrconf_add_dev+0xe2/0x170 [ 1431.499957][ T7704] inet6_addr_add+0x12f/0xa40 [ 1431.499957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.499957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.499957][ T7704] netlink_rcv_skb+0x130/0x360 [ 1431.499957][ T7704] netlink_unicast+0x449/0x710 [ 1431.499957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1431.499957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1431.499957][ T7704] ___sys_sendmsg+0xee/0x170 [ 1431.499957][ T7704] __sys_sendmsg+0xcd/0x170 [ 1431.499957][ T7704] do_syscall_64+0xc6/0x1e0 [ 1431.499957][ T7704] [ 1431.502131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1431.502131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1431.502131][ T7704] ipv6_find_idev+0x102/0x170 [ 1431.502131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.502131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.502131][ T7704] netlink_rcv_skb+0x130/0x360 [ 1431.502131][ T7704] netlink_unicast+0x449/0x710 [ 1431.502131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1431.502131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1431.502131][ T7704] ___sys_sendmsg+0xee/0x170 [ 1431.502131][ T7704] __sys_sendmsg+0xcd/0x170 [ 1431.502131][ T7704] do_syscall_64+0xc6/0x1e0 [ 1431.502131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.502131][ T7704] [ 1431.503872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1431.503872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1431.503872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1431.503872][ T7704] ipv6_find_idev+0x102/0x170 [ 1431.503872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.503872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.503872][ T7704] netlink_rcv_skb+0x130/0x360 [ 1431.503872][ T7704] netlink_unicast+0x449/0x710 [ 1431.503872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1431.503872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1431.503872][ T7704] ___sys_sendmsg+0xee/0x170 [ 1431.503872][ T7704] __sys_sendmsg+0xcd/0x170 [ 1431.503872][ T7704] do_syscall_64+0xc6/0x1e0 [ 1431.503872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.503872][ T7704] [ 1441.726988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1441.727501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1441.727501][ T7704] netdev_get_by_index+0x5e/0x80 [ 1441.727501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1441.727501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1441.727501][ T7704] ip6_route_add+0x1c/0x140 [ 1441.727501][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1441.727501][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1441.727501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.727501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.727501][ T7704] netlink_rcv_skb+0x130/0x360 [ 1441.727501][ T7704] netlink_unicast+0x449/0x710 [ 1441.727501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1441.727501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1441.727501][ T7704] ___sys_sendmsg+0xee/0x170 [ 1441.727501][ T7704] __sys_sendmsg+0xcd/0x170 [ 1441.727501][ T7704] do_syscall_64+0xc6/0x1e0 [ 1441.727501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.727501][ T7704] [ 1441.729754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1441.729754][ T7704] netdev_get_by_index+0x5e/0x80 [ 1441.729754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1441.729754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1441.729754][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1441.729754][ T7704] ipv6_add_addr+0x411/0x2000 [ 1441.729754][ T7704] inet6_addr_add+0x30e/0xa40 [ 1441.729754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.729754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.729754][ T7704] netlink_rcv_skb+0x130/0x360 [ 1441.729754][ T7704] netlink_unicast+0x449/0x710 [ 1441.729754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1441.729754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1441.729754][ T7704] ___sys_sendmsg+0xee/0x170 [ 1441.729754][ T7704] __sys_sendmsg+0xcd/0x170 [ 1441.729754][ T7704] do_syscall_64+0xc6/0x1e0 [ 1441.729754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.729754][ T7704] [ 1441.731978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1441.731978][ T7704] netdev_get_by_index+0x5e/0x80 [ 1441.731978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1441.731978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1441.731978][ T7704] ip6_route_add+0x1c/0x140 [ 1441.731978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1441.731978][ T7704] addrconf_add_dev+0xe2/0x170 [ 1441.731978][ T7704] inet6_addr_add+0x12f/0xa40 [ 1441.731978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.731978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.731978][ T7704] netlink_rcv_skb+0x130/0x360 [ 1441.731978][ T7704] netlink_unicast+0x449/0x710 [ 1441.731978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1441.731978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1441.731978][ T7704] ___sys_sendmsg+0xee/0x170 [ 1441.731978][ T7704] __sys_sendmsg+0xcd/0x170 [ 1441.731978][ T7704] do_syscall_64+0xc6/0x1e0 [ 1441.731978][ T7704] [ 1441.734182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1441.734182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1441.734182][ T7704] ipv6_find_idev+0x102/0x170 [ 1441.734182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.734182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.734182][ T7704] netlink_rcv_skb+0x130/0x360 [ 1441.734182][ T7704] netlink_unicast+0x449/0x710 [ 1441.734182][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1441.734182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1441.734182][ T7704] ___sys_sendmsg+0xee/0x170 [ 1441.734182][ T7704] __sys_sendmsg+0xcd/0x170 [ 1441.734182][ T7704] do_syscall_64+0xc6/0x1e0 [ 1441.734182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.734182][ T7704] [ 1441.735887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1441.735887][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1441.735887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1441.735887][ T7704] ipv6_find_idev+0x102/0x170 [ 1441.735887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.735887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.735887][ T7704] netlink_rcv_skb+0x130/0x360 [ 1441.735887][ T7704] netlink_unicast+0x449/0x710 [ 1441.735887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1441.735887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1441.735887][ T7704] ___sys_sendmsg+0xee/0x170 [ 1441.735887][ T7704] __sys_sendmsg+0xcd/0x170 [ 1441.735887][ T7704] do_syscall_64+0xc6/0x1e0 [ 1441.735887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.735887][ T7704] [ 1451.974933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1451.975428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1451.975428][ T7704] netdev_get_by_index+0x5e/0x80 [ 1451.975428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1451.975428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1451.975428][ T7704] ip6_route_add+0x1c/0x140 [ 1451.975428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1451.975428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1451.975428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.975428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.975428][ T7704] netlink_rcv_skb+0x130/0x360 [ 1451.975428][ T7704] netlink_unicast+0x449/0x710 [ 1451.975428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1451.975428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1451.975428][ T7704] ___sys_sendmsg+0xee/0x170 [ 1451.975428][ T7704] __sys_sendmsg+0xcd/0x170 [ 1451.975428][ T7704] do_syscall_64+0xc6/0x1e0 [ 1451.975428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.975428][ T7704] [ 1451.977660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1451.977660][ T7704] netdev_get_by_index+0x5e/0x80 [ 1451.977660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1451.977660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1451.977660][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1451.977660][ T7704] ipv6_add_addr+0x411/0x2000 [ 1451.977660][ T7704] inet6_addr_add+0x30e/0xa40 [ 1451.977660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.977660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.977660][ T7704] netlink_rcv_skb+0x130/0x360 [ 1451.977660][ T7704] netlink_unicast+0x449/0x710 [ 1451.977660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1451.977660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1451.977660][ T7704] ___sys_sendmsg+0xee/0x170 [ 1451.977660][ T7704] __sys_sendmsg+0xcd/0x170 [ 1451.977660][ T7704] do_syscall_64+0xc6/0x1e0 [ 1451.977660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.977660][ T7704] [ 1451.979881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1451.979881][ T7704] netdev_get_by_index+0x5e/0x80 [ 1451.979881][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1451.979881][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1451.979881][ T7704] ip6_route_add+0x1c/0x140 [ 1451.979881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1451.979881][ T7704] addrconf_add_dev+0xe2/0x170 [ 1451.979881][ T7704] inet6_addr_add+0x12f/0xa40 [ 1451.979881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.979881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.979881][ T7704] netlink_rcv_skb+0x130/0x360 [ 1451.979881][ T7704] netlink_unicast+0x449/0x710 [ 1451.979881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1451.979881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1451.979881][ T7704] ___sys_sendmsg+0xee/0x170 [ 1451.979881][ T7704] __sys_sendmsg+0xcd/0x170 [ 1451.979881][ T7704] do_syscall_64+0xc6/0x1e0 [ 1451.979881][ T7704] [ 1451.982132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1451.982132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1451.982132][ T7704] ipv6_find_idev+0x102/0x170 [ 1451.982132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1451.982132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.982132][ T7704] netlink_rcv_skb+0x130/0x360 [ 1451.982132][ T7704] netlink_unicast+0x449/0x710 [ 1451.982132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1451.982132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1451.982132][ T7704] ___sys_sendmsg+0xee/0x170 [ 1451.982132][ T7704] __sys_sendmsg+0xcd/0x170 [ 1451.982132][ T7704] do_syscall_64+0xc6/0x1e0 [ 1451.982132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.982132][ T7704] [ 1451.983853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1451.983853][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1451.983853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1451.983853][ T7704] ipv6_find_idev+0x102/0x170 [ 1451.983853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1451.983853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.983853][ T7704] netlink_rcv_skb+0x130/0x360 [ 1451.983853][ T7704] netlink_unicast+0x449/0x710 [ 1451.983853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1451.983853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1451.983853][ T7704] ___sys_sendmsg+0xee/0x170 [ 1451.983853][ T7704] __sys_sendmsg+0xcd/0x170 [ 1451.983853][ T7704] do_syscall_64+0xc6/0x1e0 [ 1451.983853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.983853][ T7704] [ 1462.222920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1462.223450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1462.223450][ T7704] netdev_get_by_index+0x5e/0x80 [ 1462.223450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1462.223450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1462.223450][ T7704] ip6_route_add+0x1c/0x140 [ 1462.223450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1462.223450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1462.223450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.223450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.223450][ T7704] netlink_rcv_skb+0x130/0x360 [ 1462.223450][ T7704] netlink_unicast+0x449/0x710 [ 1462.223450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1462.223450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1462.223450][ T7704] ___sys_sendmsg+0xee/0x170 [ 1462.223450][ T7704] __sys_sendmsg+0xcd/0x170 [ 1462.223450][ T7704] do_syscall_64+0xc6/0x1e0 [ 1462.223450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.223450][ T7704] [ 1462.225724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1462.225724][ T7704] netdev_get_by_index+0x5e/0x80 [ 1462.225724][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1462.225724][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1462.225724][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1462.225724][ T7704] ipv6_add_addr+0x411/0x2000 [ 1462.225724][ T7704] inet6_addr_add+0x30e/0xa40 [ 1462.225724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.225724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.225724][ T7704] netlink_rcv_skb+0x130/0x360 [ 1462.225724][ T7704] netlink_unicast+0x449/0x710 [ 1462.225724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1462.225724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1462.225724][ T7704] ___sys_sendmsg+0xee/0x170 [ 1462.225724][ T7704] __sys_sendmsg+0xcd/0x170 [ 1462.225724][ T7704] do_syscall_64+0xc6/0x1e0 [ 1462.225724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.225724][ T7704] [ 1462.227970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1462.227970][ T7704] netdev_get_by_index+0x5e/0x80 [ 1462.227970][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1462.227970][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1462.227970][ T7704] ip6_route_add+0x1c/0x140 [ 1462.227970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1462.227970][ T7704] addrconf_add_dev+0xe2/0x170 [ 1462.227970][ T7704] inet6_addr_add+0x12f/0xa40 [ 1462.227970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.227970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.227970][ T7704] netlink_rcv_skb+0x130/0x360 [ 1462.227970][ T7704] netlink_unicast+0x449/0x710 [ 1462.227970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1462.227970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1462.227970][ T7704] ___sys_sendmsg+0xee/0x170 [ 1462.227970][ T7704] __sys_sendmsg+0xcd/0x170 [ 1462.227970][ T7704] do_syscall_64+0xc6/0x1e0 [ 1462.227970][ T7704] [ 1462.230192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1462.230192][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1462.230192][ T7704] ipv6_find_idev+0x102/0x170 [ 1462.230192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.230192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.230192][ T7704] netlink_rcv_skb+0x130/0x360 [ 1462.230192][ T7704] netlink_unicast+0x449/0x710 [ 1462.230192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1462.230192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1462.230192][ T7704] ___sys_sendmsg+0xee/0x170 [ 1462.230192][ T7704] __sys_sendmsg+0xcd/0x170 [ 1462.230192][ T7704] do_syscall_64+0xc6/0x1e0 [ 1462.230192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.230192][ T7704] [ 1462.231933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1462.231933][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1462.231933][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1462.231933][ T7704] ipv6_find_idev+0x102/0x170 [ 1462.231933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.231933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.231933][ T7704] netlink_rcv_skb+0x130/0x360 [ 1462.231933][ T7704] netlink_unicast+0x449/0x710 [ 1462.231933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1462.231933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1462.231933][ T7704] ___sys_sendmsg+0xee/0x170 [ 1462.231933][ T7704] __sys_sendmsg+0xcd/0x170 [ 1462.231933][ T7704] do_syscall_64+0xc6/0x1e0 [ 1462.231933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.231933][ T7704] [ 1472.470880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1472.471367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1472.471367][ T7704] netdev_get_by_index+0x5e/0x80 [ 1472.471367][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1472.471367][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1472.471367][ T7704] ip6_route_add+0x1c/0x140 [ 1472.471367][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1472.471367][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1472.471367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.471367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.471367][ T7704] netlink_rcv_skb+0x130/0x360 [ 1472.471367][ T7704] netlink_unicast+0x449/0x710 [ 1472.471367][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1472.471367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1472.471367][ T7704] ___sys_sendmsg+0xee/0x170 [ 1472.471367][ T7704] __sys_sendmsg+0xcd/0x170 [ 1472.471367][ T7704] do_syscall_64+0xc6/0x1e0 [ 1472.471367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.471367][ T7704] [ 1472.473815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1472.473815][ T7704] netdev_get_by_index+0x5e/0x80 [ 1472.473815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1472.473815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1472.473815][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1472.473815][ T7704] ipv6_add_addr+0x411/0x2000 [ 1472.473815][ T7704] inet6_addr_add+0x30e/0xa40 [ 1472.473815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.473815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.473815][ T7704] netlink_rcv_skb+0x130/0x360 [ 1472.473815][ T7704] netlink_unicast+0x449/0x710 [ 1472.473815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1472.473815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1472.473815][ T7704] ___sys_sendmsg+0xee/0x170 [ 1472.473815][ T7704] __sys_sendmsg+0xcd/0x170 [ 1472.473815][ T7704] do_syscall_64+0xc6/0x1e0 [ 1472.473815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.473815][ T7704] [ 1472.476184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1472.476184][ T7704] netdev_get_by_index+0x5e/0x80 [ 1472.476184][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1472.476184][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1472.476184][ T7704] ip6_route_add+0x1c/0x140 [ 1472.476184][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1472.476184][ T7704] addrconf_add_dev+0xe2/0x170 [ 1472.476184][ T7704] inet6_addr_add+0x12f/0xa40 [ 1472.476184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.476184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.476184][ T7704] netlink_rcv_skb+0x130/0x360 [ 1472.476184][ T7704] netlink_unicast+0x449/0x710 [ 1472.476184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1472.476184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1472.476184][ T7704] ___sys_sendmsg+0xee/0x170 [ 1472.476184][ T7704] __sys_sendmsg+0xcd/0x170 [ 1472.476184][ T7704] do_syscall_64+0xc6/0x1e0 [ 1472.476184][ T7704] [ 1472.478566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1472.478566][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1472.478566][ T7704] ipv6_find_idev+0x102/0x170 [ 1472.478566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.478566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.478566][ T7704] netlink_rcv_skb+0x130/0x360 [ 1472.478566][ T7704] netlink_unicast+0x449/0x710 [ 1472.478566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1472.478566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1472.478566][ T7704] ___sys_sendmsg+0xee/0x170 [ 1472.478566][ T7704] __sys_sendmsg+0xcd/0x170 [ 1472.478566][ T7704] do_syscall_64+0xc6/0x1e0 [ 1472.478566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.478566][ T7704] [ 1472.480392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1472.480392][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1472.480392][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1472.480392][ T7704] ipv6_find_idev+0x102/0x170 [ 1472.480392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.480392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.480392][ T7704] netlink_rcv_skb+0x130/0x360 [ 1472.480392][ T7704] netlink_unicast+0x449/0x710 [ 1472.480392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1472.480392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1472.480392][ T7704] ___sys_sendmsg+0xee/0x170 [ 1472.480392][ T7704] __sys_sendmsg+0xcd/0x170 [ 1472.480392][ T7704] do_syscall_64+0xc6/0x1e0 [ 1472.480392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.480392][ T7704] [ 1482.702986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1482.703489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1482.703489][ T7704] netdev_get_by_index+0x5e/0x80 [ 1482.703489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1482.703489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1482.703489][ T7704] ip6_route_add+0x1c/0x140 [ 1482.703489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1482.703489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1482.703489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.703489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.703489][ T7704] netlink_rcv_skb+0x130/0x360 [ 1482.703489][ T7704] netlink_unicast+0x449/0x710 [ 1482.703489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1482.703489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1482.703489][ T7704] ___sys_sendmsg+0xee/0x170 [ 1482.703489][ T7704] __sys_sendmsg+0xcd/0x170 [ 1482.703489][ T7704] do_syscall_64+0xc6/0x1e0 [ 1482.703489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.703489][ T7704] [ 1482.705724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1482.705724][ T7704] netdev_get_by_index+0x5e/0x80 [ 1482.705724][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1482.705724][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1482.705724][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1482.705724][ T7704] ipv6_add_addr+0x411/0x2000 [ 1482.705724][ T7704] inet6_addr_add+0x30e/0xa40 [ 1482.705724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.705724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.705724][ T7704] netlink_rcv_skb+0x130/0x360 [ 1482.705724][ T7704] netlink_unicast+0x449/0x710 [ 1482.705724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1482.705724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1482.705724][ T7704] ___sys_sendmsg+0xee/0x170 [ 1482.705724][ T7704] __sys_sendmsg+0xcd/0x170 [ 1482.705724][ T7704] do_syscall_64+0xc6/0x1e0 [ 1482.705724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.705724][ T7704] [ 1482.707945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1482.707945][ T7704] netdev_get_by_index+0x5e/0x80 [ 1482.707945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1482.707945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1482.707945][ T7704] ip6_route_add+0x1c/0x140 [ 1482.707945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1482.707945][ T7704] addrconf_add_dev+0xe2/0x170 [ 1482.707945][ T7704] inet6_addr_add+0x12f/0xa40 [ 1482.707945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.707945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.707945][ T7704] netlink_rcv_skb+0x130/0x360 [ 1482.707945][ T7704] netlink_unicast+0x449/0x710 [ 1482.707945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1482.707945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1482.707945][ T7704] ___sys_sendmsg+0xee/0x170 [ 1482.707945][ T7704] __sys_sendmsg+0xcd/0x170 [ 1482.707945][ T7704] do_syscall_64+0xc6/0x1e0 [ 1482.707945][ T7704] [ 1482.710128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1482.710128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1482.710128][ T7704] ipv6_find_idev+0x102/0x170 [ 1482.710128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.710128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.710128][ T7704] netlink_rcv_skb+0x130/0x360 [ 1482.710128][ T7704] netlink_unicast+0x449/0x710 [ 1482.710128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1482.710128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1482.710128][ T7704] ___sys_sendmsg+0xee/0x170 [ 1482.710128][ T7704] __sys_sendmsg+0xcd/0x170 [ 1482.710128][ T7704] do_syscall_64+0xc6/0x1e0 [ 1482.710128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.710128][ T7704] [ 1482.711840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1482.711840][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1482.711840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1482.711840][ T7704] ipv6_find_idev+0x102/0x170 [ 1482.711840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.711840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.711840][ T7704] netlink_rcv_skb+0x130/0x360 [ 1482.711840][ T7704] netlink_unicast+0x449/0x710 [ 1482.711840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1482.711840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1482.711840][ T7704] ___sys_sendmsg+0xee/0x170 [ 1482.711840][ T7704] __sys_sendmsg+0xcd/0x170 [ 1482.711840][ T7704] do_syscall_64+0xc6/0x1e0 [ 1482.711840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.711840][ T7704] [ 1492.950954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1492.951452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1492.951452][ T7704] netdev_get_by_index+0x5e/0x80 [ 1492.951452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1492.951452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1492.951452][ T7704] ip6_route_add+0x1c/0x140 [ 1492.951452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1492.951452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1492.951452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.951452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.951452][ T7704] netlink_rcv_skb+0x130/0x360 [ 1492.951452][ T7704] netlink_unicast+0x449/0x710 [ 1492.951452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1492.951452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1492.951452][ T7704] ___sys_sendmsg+0xee/0x170 [ 1492.951452][ T7704] __sys_sendmsg+0xcd/0x170 [ 1492.951452][ T7704] do_syscall_64+0xc6/0x1e0 [ 1492.951452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.951452][ T7704] [ 1492.953723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1492.953723][ T7704] netdev_get_by_index+0x5e/0x80 [ 1492.953723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1492.953723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1492.953723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1492.953723][ T7704] ipv6_add_addr+0x411/0x2000 [ 1492.953723][ T7704] inet6_addr_add+0x30e/0xa40 [ 1492.953723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.953723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.953723][ T7704] netlink_rcv_skb+0x130/0x360 [ 1492.953723][ T7704] netlink_unicast+0x449/0x710 [ 1492.953723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1492.953723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1492.953723][ T7704] ___sys_sendmsg+0xee/0x170 [ 1492.953723][ T7704] __sys_sendmsg+0xcd/0x170 [ 1492.953723][ T7704] do_syscall_64+0xc6/0x1e0 [ 1492.953723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.953723][ T7704] [ 1492.955944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1492.955944][ T7704] netdev_get_by_index+0x5e/0x80 [ 1492.955944][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1492.955944][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1492.955944][ T7704] ip6_route_add+0x1c/0x140 [ 1492.955944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1492.955944][ T7704] addrconf_add_dev+0xe2/0x170 [ 1492.955944][ T7704] inet6_addr_add+0x12f/0xa40 [ 1492.955944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.955944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.955944][ T7704] netlink_rcv_skb+0x130/0x360 [ 1492.955944][ T7704] netlink_unicast+0x449/0x710 [ 1492.955944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1492.955944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1492.955944][ T7704] ___sys_sendmsg+0xee/0x170 [ 1492.955944][ T7704] __sys_sendmsg+0xcd/0x170 [ 1492.955944][ T7704] do_syscall_64+0xc6/0x1e0 [ 1492.955944][ T7704] [ 1492.958116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1492.958116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1492.958116][ T7704] ipv6_find_idev+0x102/0x170 [ 1492.958116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.958116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.958116][ T7704] netlink_rcv_skb+0x130/0x360 [ 1492.958116][ T7704] netlink_unicast+0x449/0x710 [ 1492.958116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1492.958116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1492.958116][ T7704] ___sys_sendmsg+0xee/0x170 [ 1492.958116][ T7704] __sys_sendmsg+0xcd/0x170 [ 1492.958116][ T7704] do_syscall_64+0xc6/0x1e0 [ 1492.958116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.958116][ T7704] [ 1492.959816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1492.959816][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1492.959816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1492.959816][ T7704] ipv6_find_idev+0x102/0x170 [ 1492.959816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.959816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.959816][ T7704] netlink_rcv_skb+0x130/0x360 [ 1492.959816][ T7704] netlink_unicast+0x449/0x710 [ 1492.959816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1492.959816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1492.959816][ T7704] ___sys_sendmsg+0xee/0x170 [ 1492.959816][ T7704] __sys_sendmsg+0xcd/0x170 [ 1492.959816][ T7704] do_syscall_64+0xc6/0x1e0 [ 1492.959816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.959816][ T7704] [ 1503.182939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1503.183428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1503.183428][ T7704] netdev_get_by_index+0x5e/0x80 [ 1503.183428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1503.183428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1503.183428][ T7704] ip6_route_add+0x1c/0x140 [ 1503.183428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1503.183428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1503.183428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.183428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.183428][ T7704] netlink_rcv_skb+0x130/0x360 [ 1503.183428][ T7704] netlink_unicast+0x449/0x710 [ 1503.183428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1503.183428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1503.183428][ T7704] ___sys_sendmsg+0xee/0x170 [ 1503.183428][ T7704] __sys_sendmsg+0xcd/0x170 [ 1503.183428][ T7704] do_syscall_64+0xc6/0x1e0 [ 1503.183428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.183428][ T7704] [ 1503.185680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1503.185680][ T7704] netdev_get_by_index+0x5e/0x80 [ 1503.185680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1503.185680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1503.185680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1503.185680][ T7704] ipv6_add_addr+0x411/0x2000 [ 1503.185680][ T7704] inet6_addr_add+0x30e/0xa40 [ 1503.185680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.185680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.185680][ T7704] netlink_rcv_skb+0x130/0x360 [ 1503.185680][ T7704] netlink_unicast+0x449/0x710 [ 1503.185680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1503.185680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1503.185680][ T7704] ___sys_sendmsg+0xee/0x170 [ 1503.185680][ T7704] __sys_sendmsg+0xcd/0x170 [ 1503.185680][ T7704] do_syscall_64+0xc6/0x1e0 [ 1503.185680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.185680][ T7704] [ 1503.187910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1503.187910][ T7704] netdev_get_by_index+0x5e/0x80 [ 1503.187910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1503.187910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1503.187910][ T7704] ip6_route_add+0x1c/0x140 [ 1503.187910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1503.187910][ T7704] addrconf_add_dev+0xe2/0x170 [ 1503.187910][ T7704] inet6_addr_add+0x12f/0xa40 [ 1503.187910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.187910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.187910][ T7704] netlink_rcv_skb+0x130/0x360 [ 1503.187910][ T7704] netlink_unicast+0x449/0x710 [ 1503.187910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1503.187910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1503.187910][ T7704] ___sys_sendmsg+0xee/0x170 [ 1503.187910][ T7704] __sys_sendmsg+0xcd/0x170 [ 1503.187910][ T7704] do_syscall_64+0xc6/0x1e0 [ 1503.187910][ T7704] [ 1503.190100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1503.190100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1503.190100][ T7704] ipv6_find_idev+0x102/0x170 [ 1503.190100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.190100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.190100][ T7704] netlink_rcv_skb+0x130/0x360 [ 1503.190100][ T7704] netlink_unicast+0x449/0x710 [ 1503.190100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1503.190100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1503.190100][ T7704] ___sys_sendmsg+0xee/0x170 [ 1503.190100][ T7704] __sys_sendmsg+0xcd/0x170 [ 1503.190100][ T7704] do_syscall_64+0xc6/0x1e0 [ 1503.190100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.190100][ T7704] [ 1503.191813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1503.191813][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1503.191813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1503.191813][ T7704] ipv6_find_idev+0x102/0x170 [ 1503.191813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.191813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.191813][ T7704] netlink_rcv_skb+0x130/0x360 [ 1503.191813][ T7704] netlink_unicast+0x449/0x710 [ 1503.191813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1503.191813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1503.191813][ T7704] ___sys_sendmsg+0xee/0x170 [ 1503.191813][ T7704] __sys_sendmsg+0xcd/0x170 [ 1503.191813][ T7704] do_syscall_64+0xc6/0x1e0 [ 1503.191813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.191813][ T7704] [ 1513.678973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1513.679400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1513.679400][ T7704] netdev_get_by_index+0x5e/0x80 [ 1513.679400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1513.679400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1513.679400][ T7704] ip6_route_add+0x1c/0x140 [ 1513.679400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1513.679400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1513.679400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.679400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.679400][ T7704] netlink_rcv_skb+0x130/0x360 [ 1513.679400][ T7704] netlink_unicast+0x449/0x710 [ 1513.679400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1513.679400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1513.679400][ T7704] ___sys_sendmsg+0xee/0x170 [ 1513.679400][ T7704] __sys_sendmsg+0xcd/0x170 [ 1513.679400][ T7704] do_syscall_64+0xc6/0x1e0 [ 1513.679400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.679400][ T7704] [ 1513.681686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1513.681686][ T7704] netdev_get_by_index+0x5e/0x80 [ 1513.681686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1513.681686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1513.681686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1513.681686][ T7704] ipv6_add_addr+0x411/0x2000 [ 1513.681686][ T7704] inet6_addr_add+0x30e/0xa40 [ 1513.681686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.681686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.681686][ T7704] netlink_rcv_skb+0x130/0x360 [ 1513.681686][ T7704] netlink_unicast+0x449/0x710 [ 1513.681686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1513.681686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1513.681686][ T7704] ___sys_sendmsg+0xee/0x170 [ 1513.681686][ T7704] __sys_sendmsg+0xcd/0x170 [ 1513.681686][ T7704] do_syscall_64+0xc6/0x1e0 [ 1513.681686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.681686][ T7704] [ 1513.683924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1513.683924][ T7704] netdev_get_by_index+0x5e/0x80 [ 1513.683924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1513.683924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1513.683924][ T7704] ip6_route_add+0x1c/0x140 [ 1513.683924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1513.683924][ T7704] addrconf_add_dev+0xe2/0x170 [ 1513.683924][ T7704] inet6_addr_add+0x12f/0xa40 [ 1513.683924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.683924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.683924][ T7704] netlink_rcv_skb+0x130/0x360 [ 1513.683924][ T7704] netlink_unicast+0x449/0x710 [ 1513.683924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1513.683924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1513.683924][ T7704] ___sys_sendmsg+0xee/0x170 [ 1513.683924][ T7704] __sys_sendmsg+0xcd/0x170 [ 1513.683924][ T7704] do_syscall_64+0xc6/0x1e0 [ 1513.683924][ T7704] [ 1513.686099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1513.686099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1513.686099][ T7704] ipv6_find_idev+0x102/0x170 [ 1513.686099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.686099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.686099][ T7704] netlink_rcv_skb+0x130/0x360 [ 1513.686099][ T7704] netlink_unicast+0x449/0x710 [ 1513.686099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1513.686099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1513.686099][ T7704] ___sys_sendmsg+0xee/0x170 [ 1513.686099][ T7704] __sys_sendmsg+0xcd/0x170 [ 1513.686099][ T7704] do_syscall_64+0xc6/0x1e0 [ 1513.686099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.686099][ T7704] [ 1513.687811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1513.687811][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1513.687811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1513.687811][ T7704] ipv6_find_idev+0x102/0x170 [ 1513.687811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.687811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.687811][ T7704] netlink_rcv_skb+0x130/0x360 [ 1513.687811][ T7704] netlink_unicast+0x449/0x710 [ 1513.687811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1513.687811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1513.687811][ T7704] ___sys_sendmsg+0xee/0x170 [ 1513.687811][ T7704] __sys_sendmsg+0xcd/0x170 [ 1513.687811][ T7704] do_syscall_64+0xc6/0x1e0 [ 1513.687811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.687811][ T7704] [ 1523.702923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1523.703364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1523.703364][ T7704] netdev_get_by_index+0x5e/0x80 [ 1523.703364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1523.703364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1523.703364][ T7704] ip6_route_add+0x1c/0x140 [ 1523.703364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1523.703364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1523.703364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.703364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.703364][ T7704] netlink_rcv_skb+0x130/0x360 [ 1523.703364][ T7704] netlink_unicast+0x449/0x710 [ 1523.703364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1523.703364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1523.703364][ T7704] ___sys_sendmsg+0xee/0x170 [ 1523.703364][ T7704] __sys_sendmsg+0xcd/0x170 [ 1523.703364][ T7704] do_syscall_64+0xc6/0x1e0 [ 1523.703364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.703364][ T7704] [ 1523.705646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1523.705646][ T7704] netdev_get_by_index+0x5e/0x80 [ 1523.705646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1523.705646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1523.705646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1523.705646][ T7704] ipv6_add_addr+0x411/0x2000 [ 1523.705646][ T7704] inet6_addr_add+0x30e/0xa40 [ 1523.705646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.705646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.705646][ T7704] netlink_rcv_skb+0x130/0x360 [ 1523.705646][ T7704] netlink_unicast+0x449/0x710 [ 1523.705646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1523.705646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1523.705646][ T7704] ___sys_sendmsg+0xee/0x170 [ 1523.705646][ T7704] __sys_sendmsg+0xcd/0x170 [ 1523.705646][ T7704] do_syscall_64+0xc6/0x1e0 [ 1523.705646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.705646][ T7704] [ 1523.707962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1523.707962][ T7704] netdev_get_by_index+0x5e/0x80 [ 1523.707962][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1523.707962][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1523.707962][ T7704] ip6_route_add+0x1c/0x140 [ 1523.707962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1523.707962][ T7704] addrconf_add_dev+0xe2/0x170 [ 1523.707962][ T7704] inet6_addr_add+0x12f/0xa40 [ 1523.707962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.707962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.707962][ T7704] netlink_rcv_skb+0x130/0x360 [ 1523.707962][ T7704] netlink_unicast+0x449/0x710 [ 1523.707962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1523.707962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1523.707962][ T7704] ___sys_sendmsg+0xee/0x170 [ 1523.707962][ T7704] __sys_sendmsg+0xcd/0x170 [ 1523.707962][ T7704] do_syscall_64+0xc6/0x1e0 [ 1523.707962][ T7704] [ 1523.710149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1523.710149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1523.710149][ T7704] ipv6_find_idev+0x102/0x170 [ 1523.710149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.710149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.710149][ T7704] netlink_rcv_skb+0x130/0x360 [ 1523.710149][ T7704] netlink_unicast+0x449/0x710 [ 1523.710149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1523.710149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1523.710149][ T7704] ___sys_sendmsg+0xee/0x170 [ 1523.710149][ T7704] __sys_sendmsg+0xcd/0x170 [ 1523.710149][ T7704] do_syscall_64+0xc6/0x1e0 [ 1523.710149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.710149][ T7704] [ 1523.711882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1523.711882][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1523.711882][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1523.711882][ T7704] ipv6_find_idev+0x102/0x170 [ 1523.711882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.711882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.711882][ T7704] netlink_rcv_skb+0x130/0x360 [ 1523.711882][ T7704] netlink_unicast+0x449/0x710 [ 1523.711882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1523.711882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1523.711882][ T7704] ___sys_sendmsg+0xee/0x170 [ 1523.711882][ T7704] __sys_sendmsg+0xcd/0x170 [ 1523.711882][ T7704] do_syscall_64+0xc6/0x1e0 [ 1523.711882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.711882][ T7704] [ 1533.750944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1533.751417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1533.751417][ T7704] netdev_get_by_index+0x5e/0x80 [ 1533.751417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1533.751417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1533.751417][ T7704] ip6_route_add+0x1c/0x140 [ 1533.751417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1533.751417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1533.751417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1533.751417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.751417][ T7704] netlink_rcv_skb+0x130/0x360 [ 1533.751417][ T7704] netlink_unicast+0x449/0x710 [ 1533.751417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1533.751417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1533.751417][ T7704] ___sys_sendmsg+0xee/0x170 [ 1533.751417][ T7704] __sys_sendmsg+0xcd/0x170 [ 1533.751417][ T7704] do_syscall_64+0xc6/0x1e0 [ 1533.751417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.751417][ T7704] [ 1533.753691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1533.753691][ T7704] netdev_get_by_index+0x5e/0x80 [ 1533.753691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1533.753691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1533.753691][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1533.753691][ T7704] ipv6_add_addr+0x411/0x2000 [ 1533.753691][ T7704] inet6_addr_add+0x30e/0xa40 [ 1533.753691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1533.753691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.753691][ T7704] netlink_rcv_skb+0x130/0x360 [ 1533.753691][ T7704] netlink_unicast+0x449/0x710 [ 1533.753691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1533.753691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1533.753691][ T7704] ___sys_sendmsg+0xee/0x170 [ 1533.753691][ T7704] __sys_sendmsg+0xcd/0x170 [ 1533.753691][ T7704] do_syscall_64+0xc6/0x1e0 [ 1533.753691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.753691][ T7704] [ 1533.755915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1533.755915][ T7704] netdev_get_by_index+0x5e/0x80 [ 1533.755915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1533.755915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1533.755915][ T7704] ip6_route_add+0x1c/0x140 [ 1533.755915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1533.755915][ T7704] addrconf_add_dev+0xe2/0x170 [ 1533.755915][ T7704] inet6_addr_add+0x12f/0xa40 [ 1533.755915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1533.755915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.755915][ T7704] netlink_rcv_skb+0x130/0x360 [ 1533.755915][ T7704] netlink_unicast+0x449/0x710 [ 1533.755915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1533.755915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1533.755915][ T7704] ___sys_sendmsg+0xee/0x170 [ 1533.755915][ T7704] __sys_sendmsg+0xcd/0x170 [ 1533.755915][ T7704] do_syscall_64+0xc6/0x1e0 [ 1533.755915][ T7704] [ 1533.758113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1533.758113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1533.758113][ T7704] ipv6_find_idev+0x102/0x170 [ 1533.758113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1533.758113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.758113][ T7704] netlink_rcv_skb+0x130/0x360 [ 1533.758113][ T7704] netlink_unicast+0x449/0x710 [ 1533.758113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1533.758113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1533.758113][ T7704] ___sys_sendmsg+0xee/0x170 [ 1533.758113][ T7704] __sys_sendmsg+0xcd/0x170 [ 1533.758113][ T7704] do_syscall_64+0xc6/0x1e0 [ 1533.758113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.758113][ T7704] [ 1533.759826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1533.759826][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1533.759826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1533.759826][ T7704] ipv6_find_idev+0x102/0x170 [ 1533.759826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1533.759826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.759826][ T7704] netlink_rcv_skb+0x130/0x360 [ 1533.759826][ T7704] netlink_unicast+0x449/0x710 [ 1533.759826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1533.759826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1533.759826][ T7704] ___sys_sendmsg+0xee/0x170 [ 1533.759826][ T7704] __sys_sendmsg+0xcd/0x170 [ 1533.759826][ T7704] do_syscall_64+0xc6/0x1e0 [ 1533.759826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.759826][ T7704] [ 1543.998921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1543.999341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1543.999341][ T7704] netdev_get_by_index+0x5e/0x80 [ 1543.999341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1543.999341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1543.999341][ T7704] ip6_route_add+0x1c/0x140 [ 1543.999341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1543.999341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1543.999341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1543.999341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1543.999341][ T7704] netlink_rcv_skb+0x130/0x360 [ 1543.999341][ T7704] netlink_unicast+0x449/0x710 [ 1543.999341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1543.999341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1543.999341][ T7704] ___sys_sendmsg+0xee/0x170 [ 1543.999341][ T7704] __sys_sendmsg+0xcd/0x170 [ 1543.999341][ T7704] do_syscall_64+0xc6/0x1e0 [ 1543.999341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1543.999341][ T7704] [ 1544.001610][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1544.001610][ T7704] netdev_get_by_index+0x5e/0x80 [ 1544.001610][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1544.001610][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1544.001610][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1544.001610][ T7704] ipv6_add_addr+0x411/0x2000 [ 1544.001610][ T7704] inet6_addr_add+0x30e/0xa40 [ 1544.001610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.001610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.001610][ T7704] netlink_rcv_skb+0x130/0x360 [ 1544.001610][ T7704] netlink_unicast+0x449/0x710 [ 1544.001610][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1544.001610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1544.001610][ T7704] ___sys_sendmsg+0xee/0x170 [ 1544.001610][ T7704] __sys_sendmsg+0xcd/0x170 [ 1544.001610][ T7704] do_syscall_64+0xc6/0x1e0 [ 1544.001610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.001610][ T7704] [ 1544.003882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1544.003882][ T7704] netdev_get_by_index+0x5e/0x80 [ 1544.003882][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1544.003882][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1544.003882][ T7704] ip6_route_add+0x1c/0x140 [ 1544.003882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1544.003882][ T7704] addrconf_add_dev+0xe2/0x170 [ 1544.003882][ T7704] inet6_addr_add+0x12f/0xa40 [ 1544.003882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.003882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.003882][ T7704] netlink_rcv_skb+0x130/0x360 [ 1544.003882][ T7704] netlink_unicast+0x449/0x710 [ 1544.003882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1544.003882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1544.003882][ T7704] ___sys_sendmsg+0xee/0x170 [ 1544.003882][ T7704] __sys_sendmsg+0xcd/0x170 [ 1544.003882][ T7704] do_syscall_64+0xc6/0x1e0 [ 1544.003882][ T7704] [ 1544.006119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1544.006119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1544.006119][ T7704] ipv6_find_idev+0x102/0x170 [ 1544.006119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.006119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.006119][ T7704] netlink_rcv_skb+0x130/0x360 [ 1544.006119][ T7704] netlink_unicast+0x449/0x710 [ 1544.006119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1544.006119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1544.006119][ T7704] ___sys_sendmsg+0xee/0x170 [ 1544.006119][ T7704] __sys_sendmsg+0xcd/0x170 [ 1544.006119][ T7704] do_syscall_64+0xc6/0x1e0 [ 1544.006119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.006119][ T7704] [ 1544.007856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1544.007856][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1544.007856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1544.007856][ T7704] ipv6_find_idev+0x102/0x170 [ 1544.007856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.007856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.007856][ T7704] netlink_rcv_skb+0x130/0x360 [ 1544.007856][ T7704] netlink_unicast+0x449/0x710 [ 1544.007856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1544.007856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1544.007856][ T7704] ___sys_sendmsg+0xee/0x170 [ 1544.007856][ T7704] __sys_sendmsg+0xcd/0x170 [ 1544.007856][ T7704] do_syscall_64+0xc6/0x1e0 [ 1544.007856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.007856][ T7704] [ 1554.246961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1554.247393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1554.247393][ T7704] netdev_get_by_index+0x5e/0x80 [ 1554.247393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1554.247393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1554.247393][ T7704] ip6_route_add+0x1c/0x140 [ 1554.247393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1554.247393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1554.247393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.247393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.247393][ T7704] netlink_rcv_skb+0x130/0x360 [ 1554.247393][ T7704] netlink_unicast+0x449/0x710 [ 1554.247393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1554.247393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1554.247393][ T7704] ___sys_sendmsg+0xee/0x170 [ 1554.247393][ T7704] __sys_sendmsg+0xcd/0x170 [ 1554.247393][ T7704] do_syscall_64+0xc6/0x1e0 [ 1554.247393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.247393][ T7704] [ 1554.249657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1554.249657][ T7704] netdev_get_by_index+0x5e/0x80 [ 1554.249657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1554.249657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1554.249657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1554.249657][ T7704] ipv6_add_addr+0x411/0x2000 [ 1554.249657][ T7704] inet6_addr_add+0x30e/0xa40 [ 1554.249657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.249657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.249657][ T7704] netlink_rcv_skb+0x130/0x360 [ 1554.249657][ T7704] netlink_unicast+0x449/0x710 [ 1554.249657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1554.249657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1554.249657][ T7704] ___sys_sendmsg+0xee/0x170 [ 1554.249657][ T7704] __sys_sendmsg+0xcd/0x170 [ 1554.249657][ T7704] do_syscall_64+0xc6/0x1e0 [ 1554.249657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.249657][ T7704] [ 1554.251891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1554.251891][ T7704] netdev_get_by_index+0x5e/0x80 [ 1554.251891][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1554.251891][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1554.251891][ T7704] ip6_route_add+0x1c/0x140 [ 1554.251891][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1554.251891][ T7704] addrconf_add_dev+0xe2/0x170 [ 1554.251891][ T7704] inet6_addr_add+0x12f/0xa40 [ 1554.251891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.251891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.251891][ T7704] netlink_rcv_skb+0x130/0x360 [ 1554.251891][ T7704] netlink_unicast+0x449/0x710 [ 1554.251891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1554.251891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1554.251891][ T7704] ___sys_sendmsg+0xee/0x170 [ 1554.251891][ T7704] __sys_sendmsg+0xcd/0x170 [ 1554.251891][ T7704] do_syscall_64+0xc6/0x1e0 [ 1554.251891][ T7704] [ 1554.254108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1554.254108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1554.254108][ T7704] ipv6_find_idev+0x102/0x170 [ 1554.254108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.254108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.254108][ T7704] netlink_rcv_skb+0x130/0x360 [ 1554.254108][ T7704] netlink_unicast+0x449/0x710 [ 1554.254108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1554.254108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1554.254108][ T7704] ___sys_sendmsg+0xee/0x170 [ 1554.254108][ T7704] __sys_sendmsg+0xcd/0x170 [ 1554.254108][ T7704] do_syscall_64+0xc6/0x1e0 [ 1554.254108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.254108][ T7704] [ 1554.255819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1554.255819][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1554.255819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1554.255819][ T7704] ipv6_find_idev+0x102/0x170 [ 1554.255819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.255819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.255819][ T7704] netlink_rcv_skb+0x130/0x360 [ 1554.255819][ T7704] netlink_unicast+0x449/0x710 [ 1554.255819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1554.255819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1554.255819][ T7704] ___sys_sendmsg+0xee/0x170 [ 1554.255819][ T7704] __sys_sendmsg+0xcd/0x170 [ 1554.255819][ T7704] do_syscall_64+0xc6/0x1e0 [ 1554.255819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.255819][ T7704] [ 1564.454886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1564.455311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1564.455311][ T7704] netdev_get_by_index+0x5e/0x80 [ 1564.455311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1564.455311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1564.455311][ T7704] ip6_route_add+0x1c/0x140 [ 1564.455311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1564.455311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1564.455311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.455311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.455311][ T7704] netlink_rcv_skb+0x130/0x360 [ 1564.455311][ T7704] netlink_unicast+0x449/0x710 [ 1564.455311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1564.455311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1564.455311][ T7704] ___sys_sendmsg+0xee/0x170 [ 1564.455311][ T7704] __sys_sendmsg+0xcd/0x170 [ 1564.455311][ T7704] do_syscall_64+0xc6/0x1e0 [ 1564.455311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.455311][ T7704] [ 1564.457546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1564.457546][ T7704] netdev_get_by_index+0x5e/0x80 [ 1564.457546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1564.457546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1564.457546][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1564.457546][ T7704] ipv6_add_addr+0x411/0x2000 [ 1564.457546][ T7704] inet6_addr_add+0x30e/0xa40 [ 1564.457546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.457546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.457546][ T7704] netlink_rcv_skb+0x130/0x360 [ 1564.457546][ T7704] netlink_unicast+0x449/0x710 [ 1564.457546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1564.457546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1564.457546][ T7704] ___sys_sendmsg+0xee/0x170 [ 1564.457546][ T7704] __sys_sendmsg+0xcd/0x170 [ 1564.457546][ T7704] do_syscall_64+0xc6/0x1e0 [ 1564.457546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.457546][ T7704] [ 1564.459775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1564.459775][ T7704] netdev_get_by_index+0x5e/0x80 [ 1564.459775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1564.459775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1564.459775][ T7704] ip6_route_add+0x1c/0x140 [ 1564.459775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1564.459775][ T7704] addrconf_add_dev+0xe2/0x170 [ 1564.459775][ T7704] inet6_addr_add+0x12f/0xa40 [ 1564.459775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.459775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.459775][ T7704] netlink_rcv_skb+0x130/0x360 [ 1564.459775][ T7704] netlink_unicast+0x449/0x710 [ 1564.459775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1564.459775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1564.459775][ T7704] ___sys_sendmsg+0xee/0x170 [ 1564.459775][ T7704] __sys_sendmsg+0xcd/0x170 [ 1564.459775][ T7704] do_syscall_64+0xc6/0x1e0 [ 1564.459775][ T7704] [ 1564.461964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1564.461964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1564.461964][ T7704] ipv6_find_idev+0x102/0x170 [ 1564.461964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.461964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.461964][ T7704] netlink_rcv_skb+0x130/0x360 [ 1564.461964][ T7704] netlink_unicast+0x449/0x710 [ 1564.461964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1564.461964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1564.461964][ T7704] ___sys_sendmsg+0xee/0x170 [ 1564.461964][ T7704] __sys_sendmsg+0xcd/0x170 [ 1564.461964][ T7704] do_syscall_64+0xc6/0x1e0 [ 1564.461964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.461964][ T7704] [ 1564.463689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1564.463689][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1564.463689][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1564.463689][ T7704] ipv6_find_idev+0x102/0x170 [ 1564.463689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.463689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.463689][ T7704] netlink_rcv_skb+0x130/0x360 [ 1564.463689][ T7704] netlink_unicast+0x449/0x710 [ 1564.463689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1564.463689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1564.463689][ T7704] ___sys_sendmsg+0xee/0x170 [ 1564.463689][ T7704] __sys_sendmsg+0xcd/0x170 [ 1564.463689][ T7704] do_syscall_64+0xc6/0x1e0 [ 1564.463689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.463689][ T7704] [ 1574.710924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1574.711420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1574.711420][ T7704] netdev_get_by_index+0x5e/0x80 [ 1574.711420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1574.711420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1574.711420][ T7704] ip6_route_add+0x1c/0x140 [ 1574.711420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1574.711420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1574.711420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.711420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.711420][ T7704] netlink_rcv_skb+0x130/0x360 [ 1574.711420][ T7704] netlink_unicast+0x449/0x710 [ 1574.711420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1574.711420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1574.711420][ T7704] ___sys_sendmsg+0xee/0x170 [ 1574.711420][ T7704] __sys_sendmsg+0xcd/0x170 [ 1574.711420][ T7704] do_syscall_64+0xc6/0x1e0 [ 1574.711420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.711420][ T7704] [ 1574.713698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1574.713698][ T7704] netdev_get_by_index+0x5e/0x80 [ 1574.713698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1574.713698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1574.713698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1574.713698][ T7704] ipv6_add_addr+0x411/0x2000 [ 1574.713698][ T7704] inet6_addr_add+0x30e/0xa40 [ 1574.713698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.713698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.713698][ T7704] netlink_rcv_skb+0x130/0x360 [ 1574.713698][ T7704] netlink_unicast+0x449/0x710 [ 1574.713698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1574.713698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1574.713698][ T7704] ___sys_sendmsg+0xee/0x170 [ 1574.713698][ T7704] __sys_sendmsg+0xcd/0x170 [ 1574.713698][ T7704] do_syscall_64+0xc6/0x1e0 [ 1574.713698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.713698][ T7704] [ 1574.715947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1574.715947][ T7704] netdev_get_by_index+0x5e/0x80 [ 1574.715947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1574.715947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1574.715947][ T7704] ip6_route_add+0x1c/0x140 [ 1574.715947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1574.715947][ T7704] addrconf_add_dev+0xe2/0x170 [ 1574.715947][ T7704] inet6_addr_add+0x12f/0xa40 [ 1574.715947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.715947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.715947][ T7704] netlink_rcv_skb+0x130/0x360 [ 1574.715947][ T7704] netlink_unicast+0x449/0x710 [ 1574.715947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1574.715947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1574.715947][ T7704] ___sys_sendmsg+0xee/0x170 [ 1574.715947][ T7704] __sys_sendmsg+0xcd/0x170 [ 1574.715947][ T7704] do_syscall_64+0xc6/0x1e0 [ 1574.715947][ T7704] [ 1574.718165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1574.718165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1574.718165][ T7704] ipv6_find_idev+0x102/0x170 [ 1574.718165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.718165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.718165][ T7704] netlink_rcv_skb+0x130/0x360 [ 1574.718165][ T7704] netlink_unicast+0x449/0x710 [ 1574.718165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1574.718165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1574.718165][ T7704] ___sys_sendmsg+0xee/0x170 [ 1574.718165][ T7704] __sys_sendmsg+0xcd/0x170 [ 1574.718165][ T7704] do_syscall_64+0xc6/0x1e0 [ 1574.718165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.718165][ T7704] [ 1574.719886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1574.719886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1574.719886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1574.719886][ T7704] ipv6_find_idev+0x102/0x170 [ 1574.719886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.719886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.719886][ T7704] netlink_rcv_skb+0x130/0x360 [ 1574.719886][ T7704] netlink_unicast+0x449/0x710 [ 1574.719886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1574.719886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1574.719886][ T7704] ___sys_sendmsg+0xee/0x170 [ 1574.719886][ T7704] __sys_sendmsg+0xcd/0x170 [ 1574.719886][ T7704] do_syscall_64+0xc6/0x1e0 [ 1574.719886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.719886][ T7704] [ 1584.734997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1584.735433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1584.735433][ T7704] netdev_get_by_index+0x5e/0x80 [ 1584.735433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1584.735433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1584.735433][ T7704] ip6_route_add+0x1c/0x140 [ 1584.735433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1584.735433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1584.735433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1584.735433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.735433][ T7704] netlink_rcv_skb+0x130/0x360 [ 1584.735433][ T7704] netlink_unicast+0x449/0x710 [ 1584.735433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1584.735433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1584.735433][ T7704] ___sys_sendmsg+0xee/0x170 [ 1584.735433][ T7704] __sys_sendmsg+0xcd/0x170 [ 1584.735433][ T7704] do_syscall_64+0xc6/0x1e0 [ 1584.735433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.735433][ T7704] [ 1584.737735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1584.737735][ T7704] netdev_get_by_index+0x5e/0x80 [ 1584.737735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1584.737735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1584.737735][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1584.737735][ T7704] ipv6_add_addr+0x411/0x2000 [ 1584.737735][ T7704] inet6_addr_add+0x30e/0xa40 [ 1584.737735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1584.737735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.737735][ T7704] netlink_rcv_skb+0x130/0x360 [ 1584.737735][ T7704] netlink_unicast+0x449/0x710 [ 1584.737735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1584.737735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1584.737735][ T7704] ___sys_sendmsg+0xee/0x170 [ 1584.737735][ T7704] __sys_sendmsg+0xcd/0x170 [ 1584.737735][ T7704] do_syscall_64+0xc6/0x1e0 [ 1584.737735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.737735][ T7704] [ 1584.739997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1584.739997][ T7704] netdev_get_by_index+0x5e/0x80 [ 1584.739997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1584.739997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1584.739997][ T7704] ip6_route_add+0x1c/0x140 [ 1584.739997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1584.739997][ T7704] addrconf_add_dev+0xe2/0x170 [ 1584.739997][ T7704] inet6_addr_add+0x12f/0xa40 [ 1584.739997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1584.739997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.739997][ T7704] netlink_rcv_skb+0x130/0x360 [ 1584.739997][ T7704] netlink_unicast+0x449/0x710 [ 1584.739997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1584.739997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1584.739997][ T7704] ___sys_sendmsg+0xee/0x170 [ 1584.739997][ T7704] __sys_sendmsg+0xcd/0x170 [ 1584.739997][ T7704] do_syscall_64+0xc6/0x1e0 [ 1584.739997][ T7704] [ 1584.742213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1584.742213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1584.742213][ T7704] ipv6_find_idev+0x102/0x170 [ 1584.742213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1584.742213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.742213][ T7704] netlink_rcv_skb+0x130/0x360 [ 1584.742213][ T7704] netlink_unicast+0x449/0x710 [ 1584.742213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1584.742213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1584.742213][ T7704] ___sys_sendmsg+0xee/0x170 [ 1584.742213][ T7704] __sys_sendmsg+0xcd/0x170 [ 1584.742213][ T7704] do_syscall_64+0xc6/0x1e0 [ 1584.742213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.742213][ T7704] [ 1584.743926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1584.743926][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1584.743926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1584.743926][ T7704] ipv6_find_idev+0x102/0x170 [ 1584.743926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1584.743926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.743926][ T7704] netlink_rcv_skb+0x130/0x360 [ 1584.743926][ T7704] netlink_unicast+0x449/0x710 [ 1584.743926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1584.743926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1584.743926][ T7704] ___sys_sendmsg+0xee/0x170 [ 1584.743926][ T7704] __sys_sendmsg+0xcd/0x170 [ 1584.743926][ T7704] do_syscall_64+0xc6/0x1e0 [ 1584.743926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.743926][ T7704] [ 1595.118961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1595.119576][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1595.119576][ T7704] netdev_get_by_index+0x5e/0x80 [ 1595.119576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1595.119576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1595.119576][ T7704] ip6_route_add+0x1c/0x140 [ 1595.119576][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1595.119576][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1595.119576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.119576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.119576][ T7704] netlink_rcv_skb+0x130/0x360 [ 1595.119576][ T7704] netlink_unicast+0x449/0x710 [ 1595.119576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1595.119576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1595.119576][ T7704] ___sys_sendmsg+0xee/0x170 [ 1595.119576][ T7704] __sys_sendmsg+0xcd/0x170 [ 1595.119576][ T7704] do_syscall_64+0xc6/0x1e0 [ 1595.119576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.119576][ T7704] [ 1595.123183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1595.123183][ T7704] netdev_get_by_index+0x5e/0x80 [ 1595.123183][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1595.123183][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1595.123183][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1595.123183][ T7704] ipv6_add_addr+0x411/0x2000 [ 1595.123183][ T7704] inet6_addr_add+0x30e/0xa40 [ 1595.123183][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.123183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.123183][ T7704] netlink_rcv_skb+0x130/0x360 [ 1595.123183][ T7704] netlink_unicast+0x449/0x710 [ 1595.123183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1595.123183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1595.123183][ T7704] ___sys_sendmsg+0xee/0x170 [ 1595.123183][ T7704] __sys_sendmsg+0xcd/0x170 [ 1595.123183][ T7704] do_syscall_64+0xc6/0x1e0 [ 1595.123183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.123183][ T7704] [ 1595.126808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1595.126808][ T7704] netdev_get_by_index+0x5e/0x80 [ 1595.126808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1595.126808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1595.126808][ T7704] ip6_route_add+0x1c/0x140 [ 1595.126808][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1595.126808][ T7704] addrconf_add_dev+0xe2/0x170 [ 1595.126808][ T7704] inet6_addr_add+0x12f/0xa40 [ 1595.126808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.126808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.126808][ T7704] netlink_rcv_skb+0x130/0x360 [ 1595.126808][ T7704] netlink_unicast+0x449/0x710 [ 1595.126808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1595.126808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1595.126808][ T7704] ___sys_sendmsg+0xee/0x170 [ 1595.126808][ T7704] __sys_sendmsg+0xcd/0x170 [ 1595.126808][ T7704] do_syscall_64+0xc6/0x1e0 [ 1595.126808][ T7704] [ 1595.130292][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1595.130292][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1595.130292][ T7704] ipv6_find_idev+0x102/0x170 [ 1595.130292][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.130292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.130292][ T7704] netlink_rcv_skb+0x130/0x360 [ 1595.130292][ T7704] netlink_unicast+0x449/0x710 [ 1595.130292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1595.130292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1595.130292][ T7704] ___sys_sendmsg+0xee/0x170 [ 1595.130292][ T7704] __sys_sendmsg+0xcd/0x170 [ 1595.130292][ T7704] do_syscall_64+0xc6/0x1e0 [ 1595.130292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.130292][ T7704] [ 1595.133087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1595.133087][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1595.133087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1595.133087][ T7704] ipv6_find_idev+0x102/0x170 [ 1595.133087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.133087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.133087][ T7704] netlink_rcv_skb+0x130/0x360 [ 1595.133087][ T7704] netlink_unicast+0x449/0x710 [ 1595.133087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1595.133087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1595.133087][ T7704] ___sys_sendmsg+0xee/0x170 [ 1595.133087][ T7704] __sys_sendmsg+0xcd/0x170 [ 1595.133087][ T7704] do_syscall_64+0xc6/0x1e0 [ 1595.133087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.133087][ T7704] [ 1605.198990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1605.199422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1605.199422][ T7704] netdev_get_by_index+0x5e/0x80 [ 1605.199422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1605.199422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1605.199422][ T7704] ip6_route_add+0x1c/0x140 [ 1605.199422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1605.199422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1605.199422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.199422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.199422][ T7704] netlink_rcv_skb+0x130/0x360 [ 1605.199422][ T7704] netlink_unicast+0x449/0x710 [ 1605.199422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1605.199422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1605.199422][ T7704] ___sys_sendmsg+0xee/0x170 [ 1605.199422][ T7704] __sys_sendmsg+0xcd/0x170 [ 1605.199422][ T7704] do_syscall_64+0xc6/0x1e0 [ 1605.199422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.199422][ T7704] [ 1605.201705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1605.201705][ T7704] netdev_get_by_index+0x5e/0x80 [ 1605.201705][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1605.201705][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1605.201705][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1605.201705][ T7704] ipv6_add_addr+0x411/0x2000 [ 1605.201705][ T7704] inet6_addr_add+0x30e/0xa40 [ 1605.201705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.201705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.201705][ T7704] netlink_rcv_skb+0x130/0x360 [ 1605.201705][ T7704] netlink_unicast+0x449/0x710 [ 1605.201705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1605.201705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1605.201705][ T7704] ___sys_sendmsg+0xee/0x170 [ 1605.201705][ T7704] __sys_sendmsg+0xcd/0x170 [ 1605.201705][ T7704] do_syscall_64+0xc6/0x1e0 [ 1605.201705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.201705][ T7704] [ 1605.203950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1605.203950][ T7704] netdev_get_by_index+0x5e/0x80 [ 1605.203950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1605.203950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1605.203950][ T7704] ip6_route_add+0x1c/0x140 [ 1605.203950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1605.203950][ T7704] addrconf_add_dev+0xe2/0x170 [ 1605.203950][ T7704] inet6_addr_add+0x12f/0xa40 [ 1605.203950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.203950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.203950][ T7704] netlink_rcv_skb+0x130/0x360 [ 1605.203950][ T7704] netlink_unicast+0x449/0x710 [ 1605.203950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1605.203950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1605.203950][ T7704] ___sys_sendmsg+0xee/0x170 [ 1605.203950][ T7704] __sys_sendmsg+0xcd/0x170 [ 1605.203950][ T7704] do_syscall_64+0xc6/0x1e0 [ 1605.203950][ T7704] [ 1605.206148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1605.206148][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1605.206148][ T7704] ipv6_find_idev+0x102/0x170 [ 1605.206148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.206148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.206148][ T7704] netlink_rcv_skb+0x130/0x360 [ 1605.206148][ T7704] netlink_unicast+0x449/0x710 [ 1605.206148][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1605.206148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1605.206148][ T7704] ___sys_sendmsg+0xee/0x170 [ 1605.206148][ T7704] __sys_sendmsg+0xcd/0x170 [ 1605.206148][ T7704] do_syscall_64+0xc6/0x1e0 [ 1605.206148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.206148][ T7704] [ 1605.207902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1605.207902][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1605.207902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1605.207902][ T7704] ipv6_find_idev+0x102/0x170 [ 1605.207902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.207902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.207902][ T7704] netlink_rcv_skb+0x130/0x360 [ 1605.207902][ T7704] netlink_unicast+0x449/0x710 [ 1605.207902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1605.207902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1605.207902][ T7704] ___sys_sendmsg+0xee/0x170 [ 1605.207902][ T7704] __sys_sendmsg+0xcd/0x170 [ 1605.207902][ T7704] do_syscall_64+0xc6/0x1e0 [ 1605.207902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.207902][ T7704] [ 1615.382887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1615.383338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1615.383338][ T7704] netdev_get_by_index+0x5e/0x80 [ 1615.383338][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1615.383338][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1615.383338][ T7704] ip6_route_add+0x1c/0x140 [ 1615.383338][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1615.383338][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1615.383338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.383338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.383338][ T7704] netlink_rcv_skb+0x130/0x360 [ 1615.383338][ T7704] netlink_unicast+0x449/0x710 [ 1615.383338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1615.383338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1615.383338][ T7704] ___sys_sendmsg+0xee/0x170 [ 1615.383338][ T7704] __sys_sendmsg+0xcd/0x170 [ 1615.383338][ T7704] do_syscall_64+0xc6/0x1e0 [ 1615.383338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.383338][ T7704] [ 1615.385751][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1615.385751][ T7704] netdev_get_by_index+0x5e/0x80 [ 1615.385751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1615.385751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1615.385751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1615.385751][ T7704] ipv6_add_addr+0x411/0x2000 [ 1615.385751][ T7704] inet6_addr_add+0x30e/0xa40 [ 1615.385751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.385751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.385751][ T7704] netlink_rcv_skb+0x130/0x360 [ 1615.385751][ T7704] netlink_unicast+0x449/0x710 [ 1615.385751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1615.385751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1615.385751][ T7704] ___sys_sendmsg+0xee/0x170 [ 1615.385751][ T7704] __sys_sendmsg+0xcd/0x170 [ 1615.385751][ T7704] do_syscall_64+0xc6/0x1e0 [ 1615.385751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.385751][ T7704] [ 1615.388163][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1615.388163][ T7704] netdev_get_by_index+0x5e/0x80 [ 1615.388163][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1615.388163][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1615.388163][ T7704] ip6_route_add+0x1c/0x140 [ 1615.388163][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1615.388163][ T7704] addrconf_add_dev+0xe2/0x170 [ 1615.388163][ T7704] inet6_addr_add+0x12f/0xa40 [ 1615.388163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.388163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.388163][ T7704] netlink_rcv_skb+0x130/0x360 [ 1615.388163][ T7704] netlink_unicast+0x449/0x710 [ 1615.388163][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1615.388163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1615.388163][ T7704] ___sys_sendmsg+0xee/0x170 [ 1615.388163][ T7704] __sys_sendmsg+0xcd/0x170 [ 1615.388163][ T7704] do_syscall_64+0xc6/0x1e0 [ 1615.388163][ T7704] [ 1615.390552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1615.390552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1615.390552][ T7704] ipv6_find_idev+0x102/0x170 [ 1615.390552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.390552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.390552][ T7704] netlink_rcv_skb+0x130/0x360 [ 1615.390552][ T7704] netlink_unicast+0x449/0x710 [ 1615.390552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1615.390552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1615.390552][ T7704] ___sys_sendmsg+0xee/0x170 [ 1615.390552][ T7704] __sys_sendmsg+0xcd/0x170 [ 1615.390552][ T7704] do_syscall_64+0xc6/0x1e0 [ 1615.390552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.390552][ T7704] [ 1615.392462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1615.392462][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1615.392462][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1615.392462][ T7704] ipv6_find_idev+0x102/0x170 [ 1615.392462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.392462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.392462][ T7704] netlink_rcv_skb+0x130/0x360 [ 1615.392462][ T7704] netlink_unicast+0x449/0x710 [ 1615.392462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1615.392462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1615.392462][ T7704] ___sys_sendmsg+0xee/0x170 [ 1615.392462][ T7704] __sys_sendmsg+0xcd/0x170 [ 1615.392462][ T7704] do_syscall_64+0xc6/0x1e0 [ 1615.392462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.392462][ T7704] [ 1625.590943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1625.591452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1625.591452][ T7704] netdev_get_by_index+0x5e/0x80 [ 1625.591452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1625.591452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1625.591452][ T7704] ip6_route_add+0x1c/0x140 [ 1625.591452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1625.591452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1625.591452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1625.591452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1625.591452][ T7704] netlink_rcv_skb+0x130/0x360 [ 1625.591452][ T7704] netlink_unicast+0x449/0x710 [ 1625.591452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1625.591452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1625.591452][ T7704] ___sys_sendmsg+0xee/0x170 [ 1625.591452][ T7704] __sys_sendmsg+0xcd/0x170 [ 1625.591452][ T7704] do_syscall_64+0xc6/0x1e0 [ 1625.591452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1625.591452][ T7704] [ 1625.593828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1625.593828][ T7704] netdev_get_by_index+0x5e/0x80 [ 1625.593828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1625.593828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1625.593828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1625.593828][ T7704] ipv6_add_addr+0x411/0x2000 [ 1625.593828][ T7704] inet6_addr_add+0x30e/0xa40 [ 1625.593828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1625.593828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1625.593828][ T7704] netlink_rcv_skb+0x130/0x360 [ 1625.593828][ T7704] netlink_unicast+0x449/0x710 [ 1625.593828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1625.593828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1625.593828][ T7704] ___sys_sendmsg+0xee/0x170 [ 1625.593828][ T7704] __sys_sendmsg+0xcd/0x170 [ 1625.593828][ T7704] do_syscall_64+0xc6/0x1e0 [ 1625.593828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1625.593828][ T7704] [ 1625.596079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1625.596079][ T7704] netdev_get_by_index+0x5e/0x80 [ 1625.596079][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1625.596079][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1625.596079][ T7704] ip6_route_add+0x1c/0x140 [ 1625.596079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1625.596079][ T7704] addrconf_add_dev+0xe2/0x170 [ 1625.596079][ T7704] inet6_addr_add+0x12f/0xa40 [ 1625.596079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1625.596079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1625.596079][ T7704] netlink_rcv_skb+0x130/0x360 [ 1625.596079][ T7704] netlink_unicast+0x449/0x710 [ 1625.596079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1625.596079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1625.596079][ T7704] ___sys_sendmsg+0xee/0x170 [ 1625.596079][ T7704] __sys_sendmsg+0xcd/0x170 [ 1625.596079][ T7704] do_syscall_64+0xc6/0x1e0 [ 1625.596079][ T7704] [ 1625.598362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1625.598362][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1625.598362][ T7704] ipv6_find_idev+0x102/0x170 [ 1625.598362][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1625.598362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1625.598362][ T7704] netlink_rcv_skb+0x130/0x360 [ 1625.598362][ T7704] netlink_unicast+0x449/0x710 [ 1625.598362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1625.598362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1625.598362][ T7704] ___sys_sendmsg+0xee/0x170 [ 1625.598362][ T7704] __sys_sendmsg+0xcd/0x170 [ 1625.598362][ T7704] do_syscall_64+0xc6/0x1e0 [ 1625.598362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1625.598362][ T7704] [ 1625.600185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1625.600185][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1625.600185][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1625.600185][ T7704] ipv6_find_idev+0x102/0x170 [ 1625.600185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1625.600185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1625.600185][ T7704] netlink_rcv_skb+0x130/0x360 [ 1625.600185][ T7704] netlink_unicast+0x449/0x710 [ 1625.600185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1625.600185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1625.600185][ T7704] ___sys_sendmsg+0xee/0x170 [ 1625.600185][ T7704] __sys_sendmsg+0xcd/0x170 [ 1625.600185][ T7704] do_syscall_64+0xc6/0x1e0 [ 1625.600185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1625.600185][ T7704] [ 1635.838916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1635.839384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1635.839384][ T7704] netdev_get_by_index+0x5e/0x80 [ 1635.839384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1635.839384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1635.839384][ T7704] ip6_route_add+0x1c/0x140 [ 1635.839384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1635.839384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1635.839384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1635.839384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.839384][ T7704] netlink_rcv_skb+0x130/0x360 [ 1635.839384][ T7704] netlink_unicast+0x449/0x710 [ 1635.839384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1635.839384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1635.839384][ T7704] ___sys_sendmsg+0xee/0x170 [ 1635.839384][ T7704] __sys_sendmsg+0xcd/0x170 [ 1635.839384][ T7704] do_syscall_64+0xc6/0x1e0 [ 1635.839384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.839384][ T7704] [ 1635.841785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1635.841785][ T7704] netdev_get_by_index+0x5e/0x80 [ 1635.841785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1635.841785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1635.841785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1635.841785][ T7704] ipv6_add_addr+0x411/0x2000 [ 1635.841785][ T7704] inet6_addr_add+0x30e/0xa40 [ 1635.841785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1635.841785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.841785][ T7704] netlink_rcv_skb+0x130/0x360 [ 1635.841785][ T7704] netlink_unicast+0x449/0x710 [ 1635.841785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1635.841785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1635.841785][ T7704] ___sys_sendmsg+0xee/0x170 [ 1635.841785][ T7704] __sys_sendmsg+0xcd/0x170 [ 1635.841785][ T7704] do_syscall_64+0xc6/0x1e0 [ 1635.841785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.841785][ T7704] [ 1635.844231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1635.844231][ T7704] netdev_get_by_index+0x5e/0x80 [ 1635.844231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1635.844231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1635.844231][ T7704] ip6_route_add+0x1c/0x140 [ 1635.844231][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1635.844231][ T7704] addrconf_add_dev+0xe2/0x170 [ 1635.844231][ T7704] inet6_addr_add+0x12f/0xa40 [ 1635.844231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1635.844231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.844231][ T7704] netlink_rcv_skb+0x130/0x360 [ 1635.844231][ T7704] netlink_unicast+0x449/0x710 [ 1635.844231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1635.844231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1635.844231][ T7704] ___sys_sendmsg+0xee/0x170 [ 1635.844231][ T7704] __sys_sendmsg+0xcd/0x170 [ 1635.844231][ T7704] do_syscall_64+0xc6/0x1e0 [ 1635.844231][ T7704] [ 1635.846562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1635.846562][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1635.846562][ T7704] ipv6_find_idev+0x102/0x170 [ 1635.846562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1635.846562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.846562][ T7704] netlink_rcv_skb+0x130/0x360 [ 1635.846562][ T7704] netlink_unicast+0x449/0x710 [ 1635.846562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1635.846562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1635.846562][ T7704] ___sys_sendmsg+0xee/0x170 [ 1635.846562][ T7704] __sys_sendmsg+0xcd/0x170 [ 1635.846562][ T7704] do_syscall_64+0xc6/0x1e0 [ 1635.846562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.846562][ T7704] [ 1635.848419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1635.848419][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1635.848419][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1635.848419][ T7704] ipv6_find_idev+0x102/0x170 [ 1635.848419][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1635.848419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.848419][ T7704] netlink_rcv_skb+0x130/0x360 [ 1635.848419][ T7704] netlink_unicast+0x449/0x710 [ 1635.848419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1635.848419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1635.848419][ T7704] ___sys_sendmsg+0xee/0x170 [ 1635.848419][ T7704] __sys_sendmsg+0xcd/0x170 [ 1635.848419][ T7704] do_syscall_64+0xc6/0x1e0 [ 1635.848419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.848419][ T7704] [ 1646.086916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1646.087413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1646.087413][ T7704] netdev_get_by_index+0x5e/0x80 [ 1646.087413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1646.087413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1646.087413][ T7704] ip6_route_add+0x1c/0x140 [ 1646.087413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1646.087413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1646.087413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.087413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.087413][ T7704] netlink_rcv_skb+0x130/0x360 [ 1646.087413][ T7704] netlink_unicast+0x449/0x710 [ 1646.087413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1646.087413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1646.087413][ T7704] ___sys_sendmsg+0xee/0x170 [ 1646.087413][ T7704] __sys_sendmsg+0xcd/0x170 [ 1646.087413][ T7704] do_syscall_64+0xc6/0x1e0 [ 1646.087413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.087413][ T7704] [ 1646.089652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1646.089652][ T7704] netdev_get_by_index+0x5e/0x80 [ 1646.089652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1646.089652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1646.089652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1646.089652][ T7704] ipv6_add_addr+0x411/0x2000 [ 1646.089652][ T7704] inet6_addr_add+0x30e/0xa40 [ 1646.089652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.089652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.089652][ T7704] netlink_rcv_skb+0x130/0x360 [ 1646.089652][ T7704] netlink_unicast+0x449/0x710 [ 1646.089652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1646.089652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1646.089652][ T7704] ___sys_sendmsg+0xee/0x170 [ 1646.089652][ T7704] __sys_sendmsg+0xcd/0x170 [ 1646.089652][ T7704] do_syscall_64+0xc6/0x1e0 [ 1646.089652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.089652][ T7704] [ 1646.091875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1646.091875][ T7704] netdev_get_by_index+0x5e/0x80 [ 1646.091875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1646.091875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1646.091875][ T7704] ip6_route_add+0x1c/0x140 [ 1646.091875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1646.091875][ T7704] addrconf_add_dev+0xe2/0x170 [ 1646.091875][ T7704] inet6_addr_add+0x12f/0xa40 [ 1646.091875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.091875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.091875][ T7704] netlink_rcv_skb+0x130/0x360 [ 1646.091875][ T7704] netlink_unicast+0x449/0x710 [ 1646.091875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1646.091875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1646.091875][ T7704] ___sys_sendmsg+0xee/0x170 [ 1646.091875][ T7704] __sys_sendmsg+0xcd/0x170 [ 1646.091875][ T7704] do_syscall_64+0xc6/0x1e0 [ 1646.091875][ T7704] [ 1646.094068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1646.094068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1646.094068][ T7704] ipv6_find_idev+0x102/0x170 [ 1646.094068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.094068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.094068][ T7704] netlink_rcv_skb+0x130/0x360 [ 1646.094068][ T7704] netlink_unicast+0x449/0x710 [ 1646.094068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1646.094068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1646.094068][ T7704] ___sys_sendmsg+0xee/0x170 [ 1646.094068][ T7704] __sys_sendmsg+0xcd/0x170 [ 1646.094068][ T7704] do_syscall_64+0xc6/0x1e0 [ 1646.094068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.094068][ T7704] [ 1646.095776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1646.095776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1646.095776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1646.095776][ T7704] ipv6_find_idev+0x102/0x170 [ 1646.095776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.095776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.095776][ T7704] netlink_rcv_skb+0x130/0x360 [ 1646.095776][ T7704] netlink_unicast+0x449/0x710 [ 1646.095776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1646.095776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1646.095776][ T7704] ___sys_sendmsg+0xee/0x170 [ 1646.095776][ T7704] __sys_sendmsg+0xcd/0x170 [ 1646.095776][ T7704] do_syscall_64+0xc6/0x1e0 [ 1646.095776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.095776][ T7704] [ 1656.222907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1656.223325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1656.223325][ T7704] netdev_get_by_index+0x5e/0x80 [ 1656.223325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1656.223325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1656.223325][ T7704] ip6_route_add+0x1c/0x140 [ 1656.223325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1656.223325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1656.223325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.223325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.223325][ T7704] netlink_rcv_skb+0x130/0x360 [ 1656.223325][ T7704] netlink_unicast+0x449/0x710 [ 1656.223325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1656.223325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1656.223325][ T7704] ___sys_sendmsg+0xee/0x170 [ 1656.223325][ T7704] __sys_sendmsg+0xcd/0x170 [ 1656.223325][ T7704] do_syscall_64+0xc6/0x1e0 [ 1656.223325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.223325][ T7704] [ 1656.225660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1656.225660][ T7704] netdev_get_by_index+0x5e/0x80 [ 1656.225660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1656.225660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1656.225660][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1656.225660][ T7704] ipv6_add_addr+0x411/0x2000 [ 1656.225660][ T7704] inet6_addr_add+0x30e/0xa40 [ 1656.225660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.225660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.225660][ T7704] netlink_rcv_skb+0x130/0x360 [ 1656.225660][ T7704] netlink_unicast+0x449/0x710 [ 1656.225660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1656.225660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1656.225660][ T7704] ___sys_sendmsg+0xee/0x170 [ 1656.225660][ T7704] __sys_sendmsg+0xcd/0x170 [ 1656.225660][ T7704] do_syscall_64+0xc6/0x1e0 [ 1656.225660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.225660][ T7704] [ 1656.227959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1656.227959][ T7704] netdev_get_by_index+0x5e/0x80 [ 1656.227959][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1656.227959][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1656.227959][ T7704] ip6_route_add+0x1c/0x140 [ 1656.227959][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1656.227959][ T7704] addrconf_add_dev+0xe2/0x170 [ 1656.227959][ T7704] inet6_addr_add+0x12f/0xa40 [ 1656.227959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.227959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.227959][ T7704] netlink_rcv_skb+0x130/0x360 [ 1656.227959][ T7704] netlink_unicast+0x449/0x710 [ 1656.227959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1656.227959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1656.227959][ T7704] ___sys_sendmsg+0xee/0x170 [ 1656.227959][ T7704] __sys_sendmsg+0xcd/0x170 [ 1656.227959][ T7704] do_syscall_64+0xc6/0x1e0 [ 1656.227959][ T7704] [ 1656.230196][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1656.230196][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1656.230196][ T7704] ipv6_find_idev+0x102/0x170 [ 1656.230196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.230196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.230196][ T7704] netlink_rcv_skb+0x130/0x360 [ 1656.230196][ T7704] netlink_unicast+0x449/0x710 [ 1656.230196][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1656.230196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1656.230196][ T7704] ___sys_sendmsg+0xee/0x170 [ 1656.230196][ T7704] __sys_sendmsg+0xcd/0x170 [ 1656.230196][ T7704] do_syscall_64+0xc6/0x1e0 [ 1656.230196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.230196][ T7704] [ 1656.231973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1656.231973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1656.231973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1656.231973][ T7704] ipv6_find_idev+0x102/0x170 [ 1656.231973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.231973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.231973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1656.231973][ T7704] netlink_unicast+0x449/0x710 [ 1656.231973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1656.231973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1656.231973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1656.231973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1656.231973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1656.231973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.231973][ T7704] [ 1666.430920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1666.431586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1666.431586][ T7704] netdev_get_by_index+0x5e/0x80 [ 1666.431586][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1666.431586][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1666.431586][ T7704] ip6_route_add+0x1c/0x140 [ 1666.431586][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1666.431586][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1666.431586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.431586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.431586][ T7704] netlink_rcv_skb+0x130/0x360 [ 1666.431586][ T7704] netlink_unicast+0x449/0x710 [ 1666.431586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1666.431586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1666.431586][ T7704] ___sys_sendmsg+0xee/0x170 [ 1666.431586][ T7704] __sys_sendmsg+0xcd/0x170 [ 1666.431586][ T7704] do_syscall_64+0xc6/0x1e0 [ 1666.431586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.431586][ T7704] [ 1666.435183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1666.435183][ T7704] netdev_get_by_index+0x5e/0x80 [ 1666.435183][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1666.435183][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1666.435183][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1666.435183][ T7704] ipv6_add_addr+0x411/0x2000 [ 1666.435183][ T7704] inet6_addr_add+0x30e/0xa40 [ 1666.435183][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.435183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.435183][ T7704] netlink_rcv_skb+0x130/0x360 [ 1666.435183][ T7704] netlink_unicast+0x449/0x710 [ 1666.435183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1666.435183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1666.435183][ T7704] ___sys_sendmsg+0xee/0x170 [ 1666.435183][ T7704] __sys_sendmsg+0xcd/0x170 [ 1666.435183][ T7704] do_syscall_64+0xc6/0x1e0 [ 1666.435183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.435183][ T7704] [ 1666.438718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1666.438718][ T7704] netdev_get_by_index+0x5e/0x80 [ 1666.438718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1666.438718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1666.438718][ T7704] ip6_route_add+0x1c/0x140 [ 1666.438718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1666.438718][ T7704] addrconf_add_dev+0xe2/0x170 [ 1666.438718][ T7704] inet6_addr_add+0x12f/0xa40 [ 1666.438718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.438718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.438718][ T7704] netlink_rcv_skb+0x130/0x360 [ 1666.438718][ T7704] netlink_unicast+0x449/0x710 [ 1666.438718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1666.438718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1666.438718][ T7704] ___sys_sendmsg+0xee/0x170 [ 1666.438718][ T7704] __sys_sendmsg+0xcd/0x170 [ 1666.438718][ T7704] do_syscall_64+0xc6/0x1e0 [ 1666.438718][ T7704] [ 1666.442095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1666.442095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1666.442095][ T7704] ipv6_find_idev+0x102/0x170 [ 1666.442095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1666.442095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.442095][ T7704] netlink_rcv_skb+0x130/0x360 [ 1666.442095][ T7704] netlink_unicast+0x449/0x710 [ 1666.442095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1666.442095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1666.442095][ T7704] ___sys_sendmsg+0xee/0x170 [ 1666.442095][ T7704] __sys_sendmsg+0xcd/0x170 [ 1666.442095][ T7704] do_syscall_64+0xc6/0x1e0 [ 1666.442095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.442095][ T7704] [ 1666.444692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1666.444692][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1666.444692][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1666.444692][ T7704] ipv6_find_idev+0x102/0x170 [ 1666.444692][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1666.444692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.444692][ T7704] netlink_rcv_skb+0x130/0x360 [ 1666.444692][ T7704] netlink_unicast+0x449/0x710 [ 1666.444692][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1666.444692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1666.444692][ T7704] ___sys_sendmsg+0xee/0x170 [ 1666.444692][ T7704] __sys_sendmsg+0xcd/0x170 [ 1666.444692][ T7704] do_syscall_64+0xc6/0x1e0 [ 1666.444692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.444692][ T7704] [ 1676.686925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1676.687411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1676.687411][ T7704] netdev_get_by_index+0x5e/0x80 [ 1676.687411][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1676.687411][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1676.687411][ T7704] ip6_route_add+0x1c/0x140 [ 1676.687411][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1676.687411][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1676.687411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1676.687411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.687411][ T7704] netlink_rcv_skb+0x130/0x360 [ 1676.687411][ T7704] netlink_unicast+0x449/0x710 [ 1676.687411][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1676.687411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1676.687411][ T7704] ___sys_sendmsg+0xee/0x170 [ 1676.687411][ T7704] __sys_sendmsg+0xcd/0x170 [ 1676.687411][ T7704] do_syscall_64+0xc6/0x1e0 [ 1676.687411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.687411][ T7704] [ 1676.689677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1676.689677][ T7704] netdev_get_by_index+0x5e/0x80 [ 1676.689677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1676.689677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1676.689677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1676.689677][ T7704] ipv6_add_addr+0x411/0x2000 [ 1676.689677][ T7704] inet6_addr_add+0x30e/0xa40 [ 1676.689677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1676.689677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.689677][ T7704] netlink_rcv_skb+0x130/0x360 [ 1676.689677][ T7704] netlink_unicast+0x449/0x710 [ 1676.689677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1676.689677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1676.689677][ T7704] ___sys_sendmsg+0xee/0x170 [ 1676.689677][ T7704] __sys_sendmsg+0xcd/0x170 [ 1676.689677][ T7704] do_syscall_64+0xc6/0x1e0 [ 1676.689677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.689677][ T7704] [ 1676.691928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1676.691928][ T7704] netdev_get_by_index+0x5e/0x80 [ 1676.691928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1676.691928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1676.691928][ T7704] ip6_route_add+0x1c/0x140 [ 1676.691928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1676.691928][ T7704] addrconf_add_dev+0xe2/0x170 [ 1676.691928][ T7704] inet6_addr_add+0x12f/0xa40 [ 1676.691928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1676.691928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.691928][ T7704] netlink_rcv_skb+0x130/0x360 [ 1676.691928][ T7704] netlink_unicast+0x449/0x710 [ 1676.691928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1676.691928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1676.691928][ T7704] ___sys_sendmsg+0xee/0x170 [ 1676.691928][ T7704] __sys_sendmsg+0xcd/0x170 [ 1676.691928][ T7704] do_syscall_64+0xc6/0x1e0 [ 1676.691928][ T7704] [ 1676.694128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1676.694128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1676.694128][ T7704] ipv6_find_idev+0x102/0x170 [ 1676.694128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1676.694128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.694128][ T7704] netlink_rcv_skb+0x130/0x360 [ 1676.694128][ T7704] netlink_unicast+0x449/0x710 [ 1676.694128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1676.694128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1676.694128][ T7704] ___sys_sendmsg+0xee/0x170 [ 1676.694128][ T7704] __sys_sendmsg+0xcd/0x170 [ 1676.694128][ T7704] do_syscall_64+0xc6/0x1e0 [ 1676.694128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.694128][ T7704] [ 1676.695853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1676.695853][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1676.695853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1676.695853][ T7704] ipv6_find_idev+0x102/0x170 [ 1676.695853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1676.695853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.695853][ T7704] netlink_rcv_skb+0x130/0x360 [ 1676.695853][ T7704] netlink_unicast+0x449/0x710 [ 1676.695853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1676.695853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1676.695853][ T7704] ___sys_sendmsg+0xee/0x170 [ 1676.695853][ T7704] __sys_sendmsg+0xcd/0x170 [ 1676.695853][ T7704] do_syscall_64+0xc6/0x1e0 [ 1676.695853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.695853][ T7704] [ 1686.910893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1686.911335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1686.911335][ T7704] netdev_get_by_index+0x5e/0x80 [ 1686.911335][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1686.911335][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1686.911335][ T7704] ip6_route_add+0x1c/0x140 [ 1686.911335][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1686.911335][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1686.911335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1686.911335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.911335][ T7704] netlink_rcv_skb+0x130/0x360 [ 1686.911335][ T7704] netlink_unicast+0x449/0x710 [ 1686.911335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1686.911335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1686.911335][ T7704] ___sys_sendmsg+0xee/0x170 [ 1686.911335][ T7704] __sys_sendmsg+0xcd/0x170 [ 1686.911335][ T7704] do_syscall_64+0xc6/0x1e0 [ 1686.911335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.911335][ T7704] [ 1686.913695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1686.913695][ T7704] netdev_get_by_index+0x5e/0x80 [ 1686.913695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1686.913695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1686.913695][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1686.913695][ T7704] ipv6_add_addr+0x411/0x2000 [ 1686.913695][ T7704] inet6_addr_add+0x30e/0xa40 [ 1686.913695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1686.913695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.913695][ T7704] netlink_rcv_skb+0x130/0x360 [ 1686.913695][ T7704] netlink_unicast+0x449/0x710 [ 1686.913695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1686.913695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1686.913695][ T7704] ___sys_sendmsg+0xee/0x170 [ 1686.913695][ T7704] __sys_sendmsg+0xcd/0x170 [ 1686.913695][ T7704] do_syscall_64+0xc6/0x1e0 [ 1686.913695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.913695][ T7704] [ 1686.916123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1686.916123][ T7704] netdev_get_by_index+0x5e/0x80 [ 1686.916123][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1686.916123][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1686.916123][ T7704] ip6_route_add+0x1c/0x140 [ 1686.916123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1686.916123][ T7704] addrconf_add_dev+0xe2/0x170 [ 1686.916123][ T7704] inet6_addr_add+0x12f/0xa40 [ 1686.916123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1686.916123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.916123][ T7704] netlink_rcv_skb+0x130/0x360 [ 1686.916123][ T7704] netlink_unicast+0x449/0x710 [ 1686.916123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1686.916123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1686.916123][ T7704] ___sys_sendmsg+0xee/0x170 [ 1686.916123][ T7704] __sys_sendmsg+0xcd/0x170 [ 1686.916123][ T7704] do_syscall_64+0xc6/0x1e0 [ 1686.916123][ T7704] [ 1686.918401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1686.918401][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1686.918401][ T7704] ipv6_find_idev+0x102/0x170 [ 1686.918401][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1686.918401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.918401][ T7704] netlink_rcv_skb+0x130/0x360 [ 1686.918401][ T7704] netlink_unicast+0x449/0x710 [ 1686.918401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1686.918401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1686.918401][ T7704] ___sys_sendmsg+0xee/0x170 [ 1686.918401][ T7704] __sys_sendmsg+0xcd/0x170 [ 1686.918401][ T7704] do_syscall_64+0xc6/0x1e0 [ 1686.918401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.918401][ T7704] [ 1686.920123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1686.920123][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1686.920123][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1686.920123][ T7704] ipv6_find_idev+0x102/0x170 [ 1686.920123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1686.920123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.920123][ T7704] netlink_rcv_skb+0x130/0x360 [ 1686.920123][ T7704] netlink_unicast+0x449/0x710 [ 1686.920123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1686.920123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1686.920123][ T7704] ___sys_sendmsg+0xee/0x170 [ 1686.920123][ T7704] __sys_sendmsg+0xcd/0x170 [ 1686.920123][ T7704] do_syscall_64+0xc6/0x1e0 [ 1686.920123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.920123][ T7704] [ 1696.982918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1696.983548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1696.983548][ T7704] netdev_get_by_index+0x5e/0x80 [ 1696.983548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1696.983548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1696.983548][ T7704] ip6_route_add+0x1c/0x140 [ 1696.983548][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1696.983548][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1696.983548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1696.983548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.983548][ T7704] netlink_rcv_skb+0x130/0x360 [ 1696.983548][ T7704] netlink_unicast+0x449/0x710 [ 1696.983548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1696.983548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1696.983548][ T7704] ___sys_sendmsg+0xee/0x170 [ 1696.983548][ T7704] __sys_sendmsg+0xcd/0x170 [ 1696.983548][ T7704] do_syscall_64+0xc6/0x1e0 [ 1696.983548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.983548][ T7704] [ 1696.986929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1696.986929][ T7704] netdev_get_by_index+0x5e/0x80 [ 1696.986929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1696.986929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1696.986929][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1696.986929][ T7704] ipv6_add_addr+0x411/0x2000 [ 1696.986929][ T7704] inet6_addr_add+0x30e/0xa40 [ 1696.986929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1696.986929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.986929][ T7704] netlink_rcv_skb+0x130/0x360 [ 1696.986929][ T7704] netlink_unicast+0x449/0x710 [ 1696.986929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1696.986929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1696.986929][ T7704] ___sys_sendmsg+0xee/0x170 [ 1696.986929][ T7704] __sys_sendmsg+0xcd/0x170 [ 1696.986929][ T7704] do_syscall_64+0xc6/0x1e0 [ 1696.986929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.986929][ T7704] [ 1696.990333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1696.990333][ T7704] netdev_get_by_index+0x5e/0x80 [ 1696.990333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1696.990333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1696.990333][ T7704] ip6_route_add+0x1c/0x140 [ 1696.990333][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1696.990333][ T7704] addrconf_add_dev+0xe2/0x170 [ 1696.990333][ T7704] inet6_addr_add+0x12f/0xa40 [ 1696.990333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1696.990333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.990333][ T7704] netlink_rcv_skb+0x130/0x360 [ 1696.990333][ T7704] netlink_unicast+0x449/0x710 [ 1696.990333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1696.990333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1696.990333][ T7704] ___sys_sendmsg+0xee/0x170 [ 1696.990333][ T7704] __sys_sendmsg+0xcd/0x170 [ 1696.990333][ T7704] do_syscall_64+0xc6/0x1e0 [ 1696.990333][ T7704] [ 1696.993754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1696.993754][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1696.993754][ T7704] ipv6_find_idev+0x102/0x170 [ 1696.993754][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1696.993754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.993754][ T7704] netlink_rcv_skb+0x130/0x360 [ 1696.993754][ T7704] netlink_unicast+0x449/0x710 [ 1696.993754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1696.993754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1696.993754][ T7704] ___sys_sendmsg+0xee/0x170 [ 1696.993754][ T7704] __sys_sendmsg+0xcd/0x170 [ 1696.993754][ T7704] do_syscall_64+0xc6/0x1e0 [ 1696.993754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.993754][ T7704] [ 1696.996502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1696.996502][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1696.996502][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1696.996502][ T7704] ipv6_find_idev+0x102/0x170 [ 1696.996502][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1696.996502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.996502][ T7704] netlink_rcv_skb+0x130/0x360 [ 1696.996502][ T7704] netlink_unicast+0x449/0x710 [ 1696.996502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1696.996502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1696.996502][ T7704] ___sys_sendmsg+0xee/0x170 [ 1696.996502][ T7704] __sys_sendmsg+0xcd/0x170 [ 1696.996502][ T7704] do_syscall_64+0xc6/0x1e0 [ 1696.996502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.996502][ T7704] [ 1707.046890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1707.047350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1707.047350][ T7704] netdev_get_by_index+0x5e/0x80 [ 1707.047350][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1707.047350][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1707.047350][ T7704] ip6_route_add+0x1c/0x140 [ 1707.047350][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1707.047350][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1707.047350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.047350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.047350][ T7704] netlink_rcv_skb+0x130/0x360 [ 1707.047350][ T7704] netlink_unicast+0x449/0x710 [ 1707.047350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1707.047350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1707.047350][ T7704] ___sys_sendmsg+0xee/0x170 [ 1707.047350][ T7704] __sys_sendmsg+0xcd/0x170 [ 1707.047350][ T7704] do_syscall_64+0xc6/0x1e0 [ 1707.047350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.047350][ T7704] [ 1707.049622][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1707.049622][ T7704] netdev_get_by_index+0x5e/0x80 [ 1707.049622][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1707.049622][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1707.049622][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1707.049622][ T7704] ipv6_add_addr+0x411/0x2000 [ 1707.049622][ T7704] inet6_addr_add+0x30e/0xa40 [ 1707.049622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.049622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.049622][ T7704] netlink_rcv_skb+0x130/0x360 [ 1707.049622][ T7704] netlink_unicast+0x449/0x710 [ 1707.049622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1707.049622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1707.049622][ T7704] ___sys_sendmsg+0xee/0x170 [ 1707.049622][ T7704] __sys_sendmsg+0xcd/0x170 [ 1707.049622][ T7704] do_syscall_64+0xc6/0x1e0 [ 1707.049622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.049622][ T7704] [ 1707.051864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1707.051864][ T7704] netdev_get_by_index+0x5e/0x80 [ 1707.051864][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1707.051864][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1707.051864][ T7704] ip6_route_add+0x1c/0x140 [ 1707.051864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1707.051864][ T7704] addrconf_add_dev+0xe2/0x170 [ 1707.051864][ T7704] inet6_addr_add+0x12f/0xa40 [ 1707.051864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.051864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.051864][ T7704] netlink_rcv_skb+0x130/0x360 [ 1707.051864][ T7704] netlink_unicast+0x449/0x710 [ 1707.051864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1707.051864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1707.051864][ T7704] ___sys_sendmsg+0xee/0x170 [ 1707.051864][ T7704] __sys_sendmsg+0xcd/0x170 [ 1707.051864][ T7704] do_syscall_64+0xc6/0x1e0 [ 1707.051864][ T7704] [ 1707.054046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1707.054046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1707.054046][ T7704] ipv6_find_idev+0x102/0x170 [ 1707.054046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.054046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.054046][ T7704] netlink_rcv_skb+0x130/0x360 [ 1707.054046][ T7704] netlink_unicast+0x449/0x710 [ 1707.054046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1707.054046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1707.054046][ T7704] ___sys_sendmsg+0xee/0x170 [ 1707.054046][ T7704] __sys_sendmsg+0xcd/0x170 [ 1707.054046][ T7704] do_syscall_64+0xc6/0x1e0 [ 1707.054046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.054046][ T7704] [ 1707.055761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1707.055761][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1707.055761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1707.055761][ T7704] ipv6_find_idev+0x102/0x170 [ 1707.055761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.055761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.055761][ T7704] netlink_rcv_skb+0x130/0x360 [ 1707.055761][ T7704] netlink_unicast+0x449/0x710 [ 1707.055761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1707.055761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1707.055761][ T7704] ___sys_sendmsg+0xee/0x170 [ 1707.055761][ T7704] __sys_sendmsg+0xcd/0x170 [ 1707.055761][ T7704] do_syscall_64+0xc6/0x1e0 [ 1707.055761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.055761][ T7704] [ 1717.294924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1717.295524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1717.295524][ T7704] netdev_get_by_index+0x5e/0x80 [ 1717.295524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1717.295524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1717.295524][ T7704] ip6_route_add+0x1c/0x140 [ 1717.295524][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1717.295524][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1717.295524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.295524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.295524][ T7704] netlink_rcv_skb+0x130/0x360 [ 1717.295524][ T7704] netlink_unicast+0x449/0x710 [ 1717.295524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1717.295524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1717.295524][ T7704] ___sys_sendmsg+0xee/0x170 [ 1717.295524][ T7704] __sys_sendmsg+0xcd/0x170 [ 1717.295524][ T7704] do_syscall_64+0xc6/0x1e0 [ 1717.295524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.295524][ T7704] [ 1717.299153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1717.299153][ T7704] netdev_get_by_index+0x5e/0x80 [ 1717.299153][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1717.299153][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1717.299153][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1717.299153][ T7704] ipv6_add_addr+0x411/0x2000 [ 1717.299153][ T7704] inet6_addr_add+0x30e/0xa40 [ 1717.299153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.299153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.299153][ T7704] netlink_rcv_skb+0x130/0x360 [ 1717.299153][ T7704] netlink_unicast+0x449/0x710 [ 1717.299153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1717.299153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1717.299153][ T7704] ___sys_sendmsg+0xee/0x170 [ 1717.299153][ T7704] __sys_sendmsg+0xcd/0x170 [ 1717.299153][ T7704] do_syscall_64+0xc6/0x1e0 [ 1717.299153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.299153][ T7704] [ 1717.302040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1717.302040][ T7704] netdev_get_by_index+0x5e/0x80 [ 1717.302040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1717.302040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1717.302040][ T7704] ip6_route_add+0x1c/0x140 [ 1717.302040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1717.302040][ T7704] addrconf_add_dev+0xe2/0x170 [ 1717.302040][ T7704] inet6_addr_add+0x12f/0xa40 [ 1717.302040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.302040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.302040][ T7704] netlink_rcv_skb+0x130/0x360 [ 1717.302040][ T7704] netlink_unicast+0x449/0x710 [ 1717.302040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1717.302040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1717.302040][ T7704] ___sys_sendmsg+0xee/0x170 [ 1717.302040][ T7704] __sys_sendmsg+0xcd/0x170 [ 1717.302040][ T7704] do_syscall_64+0xc6/0x1e0 [ 1717.302040][ T7704] [ 1717.304378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1717.304378][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1717.304378][ T7704] ipv6_find_idev+0x102/0x170 [ 1717.304378][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1717.304378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.304378][ T7704] netlink_rcv_skb+0x130/0x360 [ 1717.304378][ T7704] netlink_unicast+0x449/0x710 [ 1717.304378][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1717.304378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1717.304378][ T7704] ___sys_sendmsg+0xee/0x170 [ 1717.304378][ T7704] __sys_sendmsg+0xcd/0x170 [ 1717.304378][ T7704] do_syscall_64+0xc6/0x1e0 [ 1717.304378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.304378][ T7704] [ 1717.306110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1717.306110][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1717.306110][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1717.306110][ T7704] ipv6_find_idev+0x102/0x170 [ 1717.306110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1717.306110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.306110][ T7704] netlink_rcv_skb+0x130/0x360 [ 1717.306110][ T7704] netlink_unicast+0x449/0x710 [ 1717.306110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1717.306110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1717.306110][ T7704] ___sys_sendmsg+0xee/0x170 [ 1717.306110][ T7704] __sys_sendmsg+0xcd/0x170 [ 1717.306110][ T7704] do_syscall_64+0xc6/0x1e0 [ 1717.306110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.306110][ T7704] [ 1727.310922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1727.311616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1727.311616][ T7704] netdev_get_by_index+0x5e/0x80 [ 1727.311616][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1727.311616][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1727.311616][ T7704] ip6_route_add+0x1c/0x140 [ 1727.311616][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1727.311616][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1727.311616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1727.311616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1727.311616][ T7704] netlink_rcv_skb+0x130/0x360 [ 1727.311616][ T7704] netlink_unicast+0x449/0x710 [ 1727.311616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1727.311616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1727.311616][ T7704] ___sys_sendmsg+0xee/0x170 [ 1727.311616][ T7704] __sys_sendmsg+0xcd/0x170 [ 1727.311616][ T7704] do_syscall_64+0xc6/0x1e0 [ 1727.311616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1727.311616][ T7704] [ 1727.313965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1727.313965][ T7704] netdev_get_by_index+0x5e/0x80 [ 1727.313965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1727.313965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1727.313965][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1727.313965][ T7704] ipv6_add_addr+0x411/0x2000 [ 1727.313965][ T7704] inet6_addr_add+0x30e/0xa40 [ 1727.313965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1727.313965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1727.313965][ T7704] netlink_rcv_skb+0x130/0x360 [ 1727.313965][ T7704] netlink_unicast+0x449/0x710 [ 1727.313965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1727.313965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1727.313965][ T7704] ___sys_sendmsg+0xee/0x170 [ 1727.313965][ T7704] __sys_sendmsg+0xcd/0x170 [ 1727.313965][ T7704] do_syscall_64+0xc6/0x1e0 [ 1727.313965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1727.313965][ T7704] [ 1727.316600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1727.316600][ T7704] netdev_get_by_index+0x5e/0x80 [ 1727.316600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1727.316600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1727.316600][ T7704] ip6_route_add+0x1c/0x140 [ 1727.316600][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1727.316600][ T7704] addrconf_add_dev+0xe2/0x170 [ 1727.316600][ T7704] inet6_addr_add+0x12f/0xa40 [ 1727.316600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1727.316600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1727.316600][ T7704] netlink_rcv_skb+0x130/0x360 [ 1727.316600][ T7704] netlink_unicast+0x449/0x710 [ 1727.316600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1727.316600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1727.316600][ T7704] ___sys_sendmsg+0xee/0x170 [ 1727.316600][ T7704] __sys_sendmsg+0xcd/0x170 [ 1727.316600][ T7704] do_syscall_64+0xc6/0x1e0 [ 1727.316600][ T7704] [ 1727.318814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1727.318814][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1727.318814][ T7704] ipv6_find_idev+0x102/0x170 [ 1727.318814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1727.318814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1727.318814][ T7704] netlink_rcv_skb+0x130/0x360 [ 1727.318814][ T7704] netlink_unicast+0x449/0x710 [ 1727.318814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1727.318814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1727.318814][ T7704] ___sys_sendmsg+0xee/0x170 [ 1727.318814][ T7704] __sys_sendmsg+0xcd/0x170 [ 1727.318814][ T7704] do_syscall_64+0xc6/0x1e0 [ 1727.318814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1727.318814][ T7704] [ 1727.320942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1727.320942][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1727.320942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1727.320942][ T7704] ipv6_find_idev+0x102/0x170 [ 1727.320942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1727.320942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1727.320942][ T7704] netlink_rcv_skb+0x130/0x360 [ 1727.320942][ T7704] netlink_unicast+0x449/0x710 [ 1727.320942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1727.320942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1727.320942][ T7704] ___sys_sendmsg+0xee/0x170 [ 1727.320942][ T7704] __sys_sendmsg+0xcd/0x170 [ 1727.320942][ T7704] do_syscall_64+0xc6/0x1e0 [ 1727.320942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1727.320942][ T7704] [ 1737.574929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1737.575536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1737.575536][ T7704] netdev_get_by_index+0x5e/0x80 [ 1737.575536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1737.575536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1737.575536][ T7704] ip6_route_add+0x1c/0x140 [ 1737.575536][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1737.575536][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1737.575536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1737.575536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.575536][ T7704] netlink_rcv_skb+0x130/0x360 [ 1737.575536][ T7704] netlink_unicast+0x449/0x710 [ 1737.575536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1737.575536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1737.575536][ T7704] ___sys_sendmsg+0xee/0x170 [ 1737.575536][ T7704] __sys_sendmsg+0xcd/0x170 [ 1737.575536][ T7704] do_syscall_64+0xc6/0x1e0 [ 1737.575536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.575536][ T7704] [ 1737.579225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1737.579225][ T7704] netdev_get_by_index+0x5e/0x80 [ 1737.579225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1737.579225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1737.579225][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1737.579225][ T7704] ipv6_add_addr+0x411/0x2000 [ 1737.579225][ T7704] inet6_addr_add+0x30e/0xa40 [ 1737.579225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1737.579225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.579225][ T7704] netlink_rcv_skb+0x130/0x360 [ 1737.579225][ T7704] netlink_unicast+0x449/0x710 [ 1737.579225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1737.579225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1737.579225][ T7704] ___sys_sendmsg+0xee/0x170 [ 1737.579225][ T7704] __sys_sendmsg+0xcd/0x170 [ 1737.579225][ T7704] do_syscall_64+0xc6/0x1e0 [ 1737.579225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.579225][ T7704] [ 1737.582867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1737.582867][ T7704] netdev_get_by_index+0x5e/0x80 [ 1737.582867][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1737.582867][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1737.582867][ T7704] ip6_route_add+0x1c/0x140 [ 1737.582867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1737.582867][ T7704] addrconf_add_dev+0xe2/0x170 [ 1737.582867][ T7704] inet6_addr_add+0x12f/0xa40 [ 1737.582867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1737.582867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.582867][ T7704] netlink_rcv_skb+0x130/0x360 [ 1737.582867][ T7704] netlink_unicast+0x449/0x710 [ 1737.582867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1737.582867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1737.582867][ T7704] ___sys_sendmsg+0xee/0x170 [ 1737.582867][ T7704] __sys_sendmsg+0xcd/0x170 [ 1737.582867][ T7704] do_syscall_64+0xc6/0x1e0 [ 1737.582867][ T7704] [ 1737.586397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1737.586397][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1737.586397][ T7704] ipv6_find_idev+0x102/0x170 [ 1737.586397][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1737.586397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.586397][ T7704] netlink_rcv_skb+0x130/0x360 [ 1737.586397][ T7704] netlink_unicast+0x449/0x710 [ 1737.586397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1737.586397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1737.586397][ T7704] ___sys_sendmsg+0xee/0x170 [ 1737.586397][ T7704] __sys_sendmsg+0xcd/0x170 [ 1737.586397][ T7704] do_syscall_64+0xc6/0x1e0 [ 1737.586397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.586397][ T7704] [ 1737.589092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1737.589092][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1737.589092][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1737.589092][ T7704] ipv6_find_idev+0x102/0x170 [ 1737.589092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1737.589092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.589092][ T7704] netlink_rcv_skb+0x130/0x360 [ 1737.589092][ T7704] netlink_unicast+0x449/0x710 [ 1737.589092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1737.589092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1737.589092][ T7704] ___sys_sendmsg+0xee/0x170 [ 1737.589092][ T7704] __sys_sendmsg+0xcd/0x170 [ 1737.589092][ T7704] do_syscall_64+0xc6/0x1e0 [ 1737.589092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.589092][ T7704] [ 1747.838951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1747.839378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1747.839378][ T7704] netdev_get_by_index+0x5e/0x80 [ 1747.839378][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1747.839378][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1747.839378][ T7704] ip6_route_add+0x1c/0x140 [ 1747.839378][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1747.839378][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1747.839378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1747.839378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.839378][ T7704] netlink_rcv_skb+0x130/0x360 [ 1747.839378][ T7704] netlink_unicast+0x449/0x710 [ 1747.839378][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1747.839378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1747.839378][ T7704] ___sys_sendmsg+0xee/0x170 [ 1747.839378][ T7704] __sys_sendmsg+0xcd/0x170 [ 1747.839378][ T7704] do_syscall_64+0xc6/0x1e0 [ 1747.839378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.839378][ T7704] [ 1747.841696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1747.841696][ T7704] netdev_get_by_index+0x5e/0x80 [ 1747.841696][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1747.841696][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1747.841696][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1747.841696][ T7704] ipv6_add_addr+0x411/0x2000 [ 1747.841696][ T7704] inet6_addr_add+0x30e/0xa40 [ 1747.841696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1747.841696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.841696][ T7704] netlink_rcv_skb+0x130/0x360 [ 1747.841696][ T7704] netlink_unicast+0x449/0x710 [ 1747.841696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1747.841696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1747.841696][ T7704] ___sys_sendmsg+0xee/0x170 [ 1747.841696][ T7704] __sys_sendmsg+0xcd/0x170 [ 1747.841696][ T7704] do_syscall_64+0xc6/0x1e0 [ 1747.841696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.841696][ T7704] [ 1747.843920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1747.843920][ T7704] netdev_get_by_index+0x5e/0x80 [ 1747.843920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1747.843920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1747.843920][ T7704] ip6_route_add+0x1c/0x140 [ 1747.843920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1747.843920][ T7704] addrconf_add_dev+0xe2/0x170 [ 1747.843920][ T7704] inet6_addr_add+0x12f/0xa40 [ 1747.843920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1747.843920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.843920][ T7704] netlink_rcv_skb+0x130/0x360 [ 1747.843920][ T7704] netlink_unicast+0x449/0x710 [ 1747.843920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1747.843920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1747.843920][ T7704] ___sys_sendmsg+0xee/0x170 [ 1747.843920][ T7704] __sys_sendmsg+0xcd/0x170 [ 1747.843920][ T7704] do_syscall_64+0xc6/0x1e0 [ 1747.843920][ T7704] [ 1747.846151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1747.846151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1747.846151][ T7704] ipv6_find_idev+0x102/0x170 [ 1747.846151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1747.846151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.846151][ T7704] netlink_rcv_skb+0x130/0x360 [ 1747.846151][ T7704] netlink_unicast+0x449/0x710 [ 1747.846151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1747.846151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1747.846151][ T7704] ___sys_sendmsg+0xee/0x170 [ 1747.846151][ T7704] __sys_sendmsg+0xcd/0x170 [ 1747.846151][ T7704] do_syscall_64+0xc6/0x1e0 [ 1747.846151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.846151][ T7704] [ 1747.847870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1747.847870][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1747.847870][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1747.847870][ T7704] ipv6_find_idev+0x102/0x170 [ 1747.847870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1747.847870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.847870][ T7704] netlink_rcv_skb+0x130/0x360 [ 1747.847870][ T7704] netlink_unicast+0x449/0x710 [ 1747.847870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1747.847870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1747.847870][ T7704] ___sys_sendmsg+0xee/0x170 [ 1747.847870][ T7704] __sys_sendmsg+0xcd/0x170 [ 1747.847870][ T7704] do_syscall_64+0xc6/0x1e0 [ 1747.847870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.847870][ T7704] [ 1758.102908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1758.103329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1758.103329][ T7704] netdev_get_by_index+0x5e/0x80 [ 1758.103329][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1758.103329][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1758.103329][ T7704] ip6_route_add+0x1c/0x140 [ 1758.103329][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1758.103329][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1758.103329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.103329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.103329][ T7704] netlink_rcv_skb+0x130/0x360 [ 1758.103329][ T7704] netlink_unicast+0x449/0x710 [ 1758.103329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1758.103329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1758.103329][ T7704] ___sys_sendmsg+0xee/0x170 [ 1758.103329][ T7704] __sys_sendmsg+0xcd/0x170 [ 1758.103329][ T7704] do_syscall_64+0xc6/0x1e0 [ 1758.103329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.103329][ T7704] [ 1758.105575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1758.105575][ T7704] netdev_get_by_index+0x5e/0x80 [ 1758.105575][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1758.105575][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1758.105575][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1758.105575][ T7704] ipv6_add_addr+0x411/0x2000 [ 1758.105575][ T7704] inet6_addr_add+0x30e/0xa40 [ 1758.105575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.105575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.105575][ T7704] netlink_rcv_skb+0x130/0x360 [ 1758.105575][ T7704] netlink_unicast+0x449/0x710 [ 1758.105575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1758.105575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1758.105575][ T7704] ___sys_sendmsg+0xee/0x170 [ 1758.105575][ T7704] __sys_sendmsg+0xcd/0x170 [ 1758.105575][ T7704] do_syscall_64+0xc6/0x1e0 [ 1758.105575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.105575][ T7704] [ 1758.107795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1758.107795][ T7704] netdev_get_by_index+0x5e/0x80 [ 1758.107795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1758.107795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1758.107795][ T7704] ip6_route_add+0x1c/0x140 [ 1758.107795][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1758.107795][ T7704] addrconf_add_dev+0xe2/0x170 [ 1758.107795][ T7704] inet6_addr_add+0x12f/0xa40 [ 1758.107795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.107795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.107795][ T7704] netlink_rcv_skb+0x130/0x360 [ 1758.107795][ T7704] netlink_unicast+0x449/0x710 [ 1758.107795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1758.107795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1758.107795][ T7704] ___sys_sendmsg+0xee/0x170 [ 1758.107795][ T7704] __sys_sendmsg+0xcd/0x170 [ 1758.107795][ T7704] do_syscall_64+0xc6/0x1e0 [ 1758.107795][ T7704] [ 1758.109977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1758.109977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1758.109977][ T7704] ipv6_find_idev+0x102/0x170 [ 1758.109977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1758.109977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.109977][ T7704] netlink_rcv_skb+0x130/0x360 [ 1758.109977][ T7704] netlink_unicast+0x449/0x710 [ 1758.109977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1758.109977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1758.109977][ T7704] ___sys_sendmsg+0xee/0x170 [ 1758.109977][ T7704] __sys_sendmsg+0xcd/0x170 [ 1758.109977][ T7704] do_syscall_64+0xc6/0x1e0 [ 1758.109977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.109977][ T7704] [ 1758.111694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1758.111694][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1758.111694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1758.111694][ T7704] ipv6_find_idev+0x102/0x170 [ 1758.111694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1758.111694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.111694][ T7704] netlink_rcv_skb+0x130/0x360 [ 1758.111694][ T7704] netlink_unicast+0x449/0x710 [ 1758.111694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1758.111694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1758.111694][ T7704] ___sys_sendmsg+0xee/0x170 [ 1758.111694][ T7704] __sys_sendmsg+0xcd/0x170 [ 1758.111694][ T7704] do_syscall_64+0xc6/0x1e0 [ 1758.111694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.111694][ T7704] [ 1768.126911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1768.127357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1768.127357][ T7704] netdev_get_by_index+0x5e/0x80 [ 1768.127357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1768.127357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1768.127357][ T7704] ip6_route_add+0x1c/0x140 [ 1768.127357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1768.127357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1768.127357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.127357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.127357][ T7704] netlink_rcv_skb+0x130/0x360 [ 1768.127357][ T7704] netlink_unicast+0x449/0x710 [ 1768.127357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1768.127357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1768.127357][ T7704] ___sys_sendmsg+0xee/0x170 [ 1768.127357][ T7704] __sys_sendmsg+0xcd/0x170 [ 1768.127357][ T7704] do_syscall_64+0xc6/0x1e0 [ 1768.127357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.127357][ T7704] [ 1768.129828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1768.129828][ T7704] netdev_get_by_index+0x5e/0x80 [ 1768.129828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1768.129828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1768.129828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1768.129828][ T7704] ipv6_add_addr+0x411/0x2000 [ 1768.129828][ T7704] inet6_addr_add+0x30e/0xa40 [ 1768.129828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.129828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.129828][ T7704] netlink_rcv_skb+0x130/0x360 [ 1768.129828][ T7704] netlink_unicast+0x449/0x710 [ 1768.129828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1768.129828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1768.129828][ T7704] ___sys_sendmsg+0xee/0x170 [ 1768.129828][ T7704] __sys_sendmsg+0xcd/0x170 [ 1768.129828][ T7704] do_syscall_64+0xc6/0x1e0 [ 1768.129828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.129828][ T7704] [ 1768.132156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1768.132156][ T7704] netdev_get_by_index+0x5e/0x80 [ 1768.132156][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1768.132156][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1768.132156][ T7704] ip6_route_add+0x1c/0x140 [ 1768.132156][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1768.132156][ T7704] addrconf_add_dev+0xe2/0x170 [ 1768.132156][ T7704] inet6_addr_add+0x12f/0xa40 [ 1768.132156][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.132156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.132156][ T7704] netlink_rcv_skb+0x130/0x360 [ 1768.132156][ T7704] netlink_unicast+0x449/0x710 [ 1768.132156][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1768.132156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1768.132156][ T7704] ___sys_sendmsg+0xee/0x170 [ 1768.132156][ T7704] __sys_sendmsg+0xcd/0x170 [ 1768.132156][ T7704] do_syscall_64+0xc6/0x1e0 [ 1768.132156][ T7704] [ 1768.134343][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1768.134343][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1768.134343][ T7704] ipv6_find_idev+0x102/0x170 [ 1768.134343][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1768.134343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.134343][ T7704] netlink_rcv_skb+0x130/0x360 [ 1768.134343][ T7704] netlink_unicast+0x449/0x710 [ 1768.134343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1768.134343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1768.134343][ T7704] ___sys_sendmsg+0xee/0x170 [ 1768.134343][ T7704] __sys_sendmsg+0xcd/0x170 [ 1768.134343][ T7704] do_syscall_64+0xc6/0x1e0 [ 1768.134343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.134343][ T7704] [ 1768.136053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1768.136053][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1768.136053][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1768.136053][ T7704] ipv6_find_idev+0x102/0x170 [ 1768.136053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1768.136053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.136053][ T7704] netlink_rcv_skb+0x130/0x360 [ 1768.136053][ T7704] netlink_unicast+0x449/0x710 [ 1768.136053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1768.136053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1768.136053][ T7704] ___sys_sendmsg+0xee/0x170 [ 1768.136053][ T7704] __sys_sendmsg+0xcd/0x170 [ 1768.136053][ T7704] do_syscall_64+0xc6/0x1e0 [ 1768.136053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.136053][ T7704] [ 1778.262908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1778.263341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1778.263341][ T7704] netdev_get_by_index+0x5e/0x80 [ 1778.263341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1778.263341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1778.263341][ T7704] ip6_route_add+0x1c/0x140 [ 1778.263341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1778.263341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1778.263341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1778.263341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.263341][ T7704] netlink_rcv_skb+0x130/0x360 [ 1778.263341][ T7704] netlink_unicast+0x449/0x710 [ 1778.263341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1778.263341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1778.263341][ T7704] ___sys_sendmsg+0xee/0x170 [ 1778.263341][ T7704] __sys_sendmsg+0xcd/0x170 [ 1778.263341][ T7704] do_syscall_64+0xc6/0x1e0 [ 1778.263341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.263341][ T7704] [ 1778.265580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1778.265580][ T7704] netdev_get_by_index+0x5e/0x80 [ 1778.265580][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1778.265580][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1778.265580][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1778.265580][ T7704] ipv6_add_addr+0x411/0x2000 [ 1778.265580][ T7704] inet6_addr_add+0x30e/0xa40 [ 1778.265580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1778.265580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.265580][ T7704] netlink_rcv_skb+0x130/0x360 [ 1778.265580][ T7704] netlink_unicast+0x449/0x710 [ 1778.265580][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1778.265580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1778.265580][ T7704] ___sys_sendmsg+0xee/0x170 [ 1778.265580][ T7704] __sys_sendmsg+0xcd/0x170 [ 1778.265580][ T7704] do_syscall_64+0xc6/0x1e0 [ 1778.265580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.265580][ T7704] [ 1778.267938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1778.267938][ T7704] netdev_get_by_index+0x5e/0x80 [ 1778.267938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1778.267938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1778.267938][ T7704] ip6_route_add+0x1c/0x140 [ 1778.267938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1778.267938][ T7704] addrconf_add_dev+0xe2/0x170 [ 1778.267938][ T7704] inet6_addr_add+0x12f/0xa40 [ 1778.267938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1778.267938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.267938][ T7704] netlink_rcv_skb+0x130/0x360 [ 1778.267938][ T7704] netlink_unicast+0x449/0x710 [ 1778.267938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1778.267938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1778.267938][ T7704] ___sys_sendmsg+0xee/0x170 [ 1778.267938][ T7704] __sys_sendmsg+0xcd/0x170 [ 1778.267938][ T7704] do_syscall_64+0xc6/0x1e0 [ 1778.267938][ T7704] [ 1778.270439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1778.270439][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1778.270439][ T7704] ipv6_find_idev+0x102/0x170 [ 1778.270439][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1778.270439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.270439][ T7704] netlink_rcv_skb+0x130/0x360 [ 1778.270439][ T7704] netlink_unicast+0x449/0x710 [ 1778.270439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1778.270439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1778.270439][ T7704] ___sys_sendmsg+0xee/0x170 [ 1778.270439][ T7704] __sys_sendmsg+0xcd/0x170 [ 1778.270439][ T7704] do_syscall_64+0xc6/0x1e0 [ 1778.270439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.270439][ T7704] [ 1778.272444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1778.272444][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1778.272444][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1778.272444][ T7704] ipv6_find_idev+0x102/0x170 [ 1778.272444][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1778.272444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.272444][ T7704] netlink_rcv_skb+0x130/0x360 [ 1778.272444][ T7704] netlink_unicast+0x449/0x710 [ 1778.272444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1778.272444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1778.272444][ T7704] ___sys_sendmsg+0xee/0x170 [ 1778.272444][ T7704] __sys_sendmsg+0xcd/0x170 [ 1778.272444][ T7704] do_syscall_64+0xc6/0x1e0 [ 1778.272444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.272444][ T7704] [ 1788.414896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1788.415379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1788.415379][ T7704] netdev_get_by_index+0x5e/0x80 [ 1788.415379][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1788.415379][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1788.415379][ T7704] ip6_route_add+0x1c/0x140 [ 1788.415379][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1788.415379][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1788.415379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1788.415379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.415379][ T7704] netlink_rcv_skb+0x130/0x360 [ 1788.415379][ T7704] netlink_unicast+0x449/0x710 [ 1788.415379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1788.415379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1788.415379][ T7704] ___sys_sendmsg+0xee/0x170 [ 1788.415379][ T7704] __sys_sendmsg+0xcd/0x170 [ 1788.415379][ T7704] do_syscall_64+0xc6/0x1e0 [ 1788.415379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.415379][ T7704] [ 1788.417661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1788.417661][ T7704] netdev_get_by_index+0x5e/0x80 [ 1788.417661][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1788.417661][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1788.417661][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1788.417661][ T7704] ipv6_add_addr+0x411/0x2000 [ 1788.417661][ T7704] inet6_addr_add+0x30e/0xa40 [ 1788.417661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1788.417661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.417661][ T7704] netlink_rcv_skb+0x130/0x360 [ 1788.417661][ T7704] netlink_unicast+0x449/0x710 [ 1788.417661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1788.417661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1788.417661][ T7704] ___sys_sendmsg+0xee/0x170 [ 1788.417661][ T7704] __sys_sendmsg+0xcd/0x170 [ 1788.417661][ T7704] do_syscall_64+0xc6/0x1e0 [ 1788.417661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.417661][ T7704] [ 1788.419914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1788.419914][ T7704] netdev_get_by_index+0x5e/0x80 [ 1788.419914][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1788.419914][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1788.419914][ T7704] ip6_route_add+0x1c/0x140 [ 1788.419914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1788.419914][ T7704] addrconf_add_dev+0xe2/0x170 [ 1788.419914][ T7704] inet6_addr_add+0x12f/0xa40 [ 1788.419914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1788.419914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.419914][ T7704] netlink_rcv_skb+0x130/0x360 [ 1788.419914][ T7704] netlink_unicast+0x449/0x710 [ 1788.419914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1788.419914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1788.419914][ T7704] ___sys_sendmsg+0xee/0x170 [ 1788.419914][ T7704] __sys_sendmsg+0xcd/0x170 [ 1788.419914][ T7704] do_syscall_64+0xc6/0x1e0 [ 1788.419914][ T7704] [ 1788.422139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1788.422139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1788.422139][ T7704] ipv6_find_idev+0x102/0x170 [ 1788.422139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1788.422139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.422139][ T7704] netlink_rcv_skb+0x130/0x360 [ 1788.422139][ T7704] netlink_unicast+0x449/0x710 [ 1788.422139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1788.422139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1788.422139][ T7704] ___sys_sendmsg+0xee/0x170 [ 1788.422139][ T7704] __sys_sendmsg+0xcd/0x170 [ 1788.422139][ T7704] do_syscall_64+0xc6/0x1e0 [ 1788.422139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.422139][ T7704] [ 1788.423880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1788.423880][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1788.423880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1788.423880][ T7704] ipv6_find_idev+0x102/0x170 [ 1788.423880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1788.423880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.423880][ T7704] netlink_rcv_skb+0x130/0x360 [ 1788.423880][ T7704] netlink_unicast+0x449/0x710 [ 1788.423880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1788.423880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1788.423880][ T7704] ___sys_sendmsg+0xee/0x170 [ 1788.423880][ T7704] __sys_sendmsg+0xcd/0x170 [ 1788.423880][ T7704] do_syscall_64+0xc6/0x1e0 [ 1788.423880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.423880][ T7704] [ 1798.678920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1798.679441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1798.679441][ T7704] netdev_get_by_index+0x5e/0x80 [ 1798.679441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1798.679441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1798.679441][ T7704] ip6_route_add+0x1c/0x140 [ 1798.679441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1798.679441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1798.679441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.679441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.679441][ T7704] netlink_rcv_skb+0x130/0x360 [ 1798.679441][ T7704] netlink_unicast+0x449/0x710 [ 1798.679441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1798.679441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1798.679441][ T7704] ___sys_sendmsg+0xee/0x170 [ 1798.679441][ T7704] __sys_sendmsg+0xcd/0x170 [ 1798.679441][ T7704] do_syscall_64+0xc6/0x1e0 [ 1798.679441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.679441][ T7704] [ 1798.681748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1798.681748][ T7704] netdev_get_by_index+0x5e/0x80 [ 1798.681748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1798.681748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1798.681748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1798.681748][ T7704] ipv6_add_addr+0x411/0x2000 [ 1798.681748][ T7704] inet6_addr_add+0x30e/0xa40 [ 1798.681748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.681748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.681748][ T7704] netlink_rcv_skb+0x130/0x360 [ 1798.681748][ T7704] netlink_unicast+0x449/0x710 [ 1798.681748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1798.681748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1798.681748][ T7704] ___sys_sendmsg+0xee/0x170 [ 1798.681748][ T7704] __sys_sendmsg+0xcd/0x170 [ 1798.681748][ T7704] do_syscall_64+0xc6/0x1e0 [ 1798.681748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.681748][ T7704] [ 1798.685096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1798.685096][ T7704] netdev_get_by_index+0x5e/0x80 [ 1798.685096][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1798.685096][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1798.685096][ T7704] ip6_route_add+0x1c/0x140 [ 1798.685096][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1798.685096][ T7704] addrconf_add_dev+0xe2/0x170 [ 1798.685096][ T7704] inet6_addr_add+0x12f/0xa40 [ 1798.685096][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.685096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.685096][ T7704] netlink_rcv_skb+0x130/0x360 [ 1798.685096][ T7704] netlink_unicast+0x449/0x710 [ 1798.685096][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1798.685096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1798.685096][ T7704] ___sys_sendmsg+0xee/0x170 [ 1798.685096][ T7704] __sys_sendmsg+0xcd/0x170 [ 1798.685096][ T7704] do_syscall_64+0xc6/0x1e0 [ 1798.685096][ T7704] [ 1798.688605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1798.688605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1798.688605][ T7704] ipv6_find_idev+0x102/0x170 [ 1798.688605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.688605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.688605][ T7704] netlink_rcv_skb+0x130/0x360 [ 1798.688605][ T7704] netlink_unicast+0x449/0x710 [ 1798.688605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1798.688605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1798.688605][ T7704] ___sys_sendmsg+0xee/0x170 [ 1798.688605][ T7704] __sys_sendmsg+0xcd/0x170 [ 1798.688605][ T7704] do_syscall_64+0xc6/0x1e0 [ 1798.688605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.688605][ T7704] [ 1798.691350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1798.691350][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1798.691350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1798.691350][ T7704] ipv6_find_idev+0x102/0x170 [ 1798.691350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.691350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.691350][ T7704] netlink_rcv_skb+0x130/0x360 [ 1798.691350][ T7704] netlink_unicast+0x449/0x710 [ 1798.691350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1798.691350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1798.691350][ T7704] ___sys_sendmsg+0xee/0x170 [ 1798.691350][ T7704] __sys_sendmsg+0xcd/0x170 [ 1798.691350][ T7704] do_syscall_64+0xc6/0x1e0 [ 1798.691350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.691350][ T7704] [ 1808.758913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1808.759431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1808.759431][ T7704] netdev_get_by_index+0x5e/0x80 [ 1808.759431][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1808.759431][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1808.759431][ T7704] ip6_route_add+0x1c/0x140 [ 1808.759431][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1808.759431][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1808.759431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.759431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.759431][ T7704] netlink_rcv_skb+0x130/0x360 [ 1808.759431][ T7704] netlink_unicast+0x449/0x710 [ 1808.759431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1808.759431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1808.759431][ T7704] ___sys_sendmsg+0xee/0x170 [ 1808.759431][ T7704] __sys_sendmsg+0xcd/0x170 [ 1808.759431][ T7704] do_syscall_64+0xc6/0x1e0 [ 1808.759431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.759431][ T7704] [ 1808.761761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1808.761761][ T7704] netdev_get_by_index+0x5e/0x80 [ 1808.761761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1808.761761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1808.761761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1808.761761][ T7704] ipv6_add_addr+0x411/0x2000 [ 1808.761761][ T7704] inet6_addr_add+0x30e/0xa40 [ 1808.761761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.761761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.761761][ T7704] netlink_rcv_skb+0x130/0x360 [ 1808.761761][ T7704] netlink_unicast+0x449/0x710 [ 1808.761761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1808.761761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1808.761761][ T7704] ___sys_sendmsg+0xee/0x170 [ 1808.761761][ T7704] __sys_sendmsg+0xcd/0x170 [ 1808.761761][ T7704] do_syscall_64+0xc6/0x1e0 [ 1808.761761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.761761][ T7704] [ 1808.764059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1808.764059][ T7704] netdev_get_by_index+0x5e/0x80 [ 1808.764059][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1808.764059][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1808.764059][ T7704] ip6_route_add+0x1c/0x140 [ 1808.764059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1808.764059][ T7704] addrconf_add_dev+0xe2/0x170 [ 1808.764059][ T7704] inet6_addr_add+0x12f/0xa40 [ 1808.764059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.764059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.764059][ T7704] netlink_rcv_skb+0x130/0x360 [ 1808.764059][ T7704] netlink_unicast+0x449/0x710 [ 1808.764059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1808.764059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1808.764059][ T7704] ___sys_sendmsg+0xee/0x170 [ 1808.764059][ T7704] __sys_sendmsg+0xcd/0x170 [ 1808.764059][ T7704] do_syscall_64+0xc6/0x1e0 [ 1808.764059][ T7704] [ 1808.766310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1808.766310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1808.766310][ T7704] ipv6_find_idev+0x102/0x170 [ 1808.766310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.766310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.766310][ T7704] netlink_rcv_skb+0x130/0x360 [ 1808.766310][ T7704] netlink_unicast+0x449/0x710 [ 1808.766310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1808.766310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1808.766310][ T7704] ___sys_sendmsg+0xee/0x170 [ 1808.766310][ T7704] __sys_sendmsg+0xcd/0x170 [ 1808.766310][ T7704] do_syscall_64+0xc6/0x1e0 [ 1808.766310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.766310][ T7704] [ 1808.768040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1808.768040][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1808.768040][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1808.768040][ T7704] ipv6_find_idev+0x102/0x170 [ 1808.768040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.768040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.768040][ T7704] netlink_rcv_skb+0x130/0x360 [ 1808.768040][ T7704] netlink_unicast+0x449/0x710 [ 1808.768040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1808.768040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1808.768040][ T7704] ___sys_sendmsg+0xee/0x170 [ 1808.768040][ T7704] __sys_sendmsg+0xcd/0x170 [ 1808.768040][ T7704] do_syscall_64+0xc6/0x1e0 [ 1808.768040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.768040][ T7704] [ 1819.006914][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1819.007377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1819.007377][ T7704] netdev_get_by_index+0x5e/0x80 [ 1819.007377][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1819.007377][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1819.007377][ T7704] ip6_route_add+0x1c/0x140 [ 1819.007377][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1819.007377][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1819.007377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.007377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.007377][ T7704] netlink_rcv_skb+0x130/0x360 [ 1819.007377][ T7704] netlink_unicast+0x449/0x710 [ 1819.007377][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1819.007377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1819.007377][ T7704] ___sys_sendmsg+0xee/0x170 [ 1819.007377][ T7704] __sys_sendmsg+0xcd/0x170 [ 1819.007377][ T7704] do_syscall_64+0xc6/0x1e0 [ 1819.007377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.007377][ T7704] [ 1819.009697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1819.009697][ T7704] netdev_get_by_index+0x5e/0x80 [ 1819.009697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1819.009697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1819.009697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1819.009697][ T7704] ipv6_add_addr+0x411/0x2000 [ 1819.009697][ T7704] inet6_addr_add+0x30e/0xa40 [ 1819.009697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.009697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.009697][ T7704] netlink_rcv_skb+0x130/0x360 [ 1819.009697][ T7704] netlink_unicast+0x449/0x710 [ 1819.009697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1819.009697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1819.009697][ T7704] ___sys_sendmsg+0xee/0x170 [ 1819.009697][ T7704] __sys_sendmsg+0xcd/0x170 [ 1819.009697][ T7704] do_syscall_64+0xc6/0x1e0 [ 1819.009697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.009697][ T7704] [ 1819.011973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1819.011973][ T7704] netdev_get_by_index+0x5e/0x80 [ 1819.011973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1819.011973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1819.011973][ T7704] ip6_route_add+0x1c/0x140 [ 1819.011973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1819.011973][ T7704] addrconf_add_dev+0xe2/0x170 [ 1819.011973][ T7704] inet6_addr_add+0x12f/0xa40 [ 1819.011973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.011973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.011973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1819.011973][ T7704] netlink_unicast+0x449/0x710 [ 1819.011973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1819.011973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1819.011973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1819.011973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1819.011973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1819.011973][ T7704] [ 1819.014182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1819.014182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1819.014182][ T7704] ipv6_find_idev+0x102/0x170 [ 1819.014182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1819.014182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.014182][ T7704] netlink_rcv_skb+0x130/0x360 [ 1819.014182][ T7704] netlink_unicast+0x449/0x710 [ 1819.014182][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1819.014182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1819.014182][ T7704] ___sys_sendmsg+0xee/0x170 [ 1819.014182][ T7704] __sys_sendmsg+0xcd/0x170 [ 1819.014182][ T7704] do_syscall_64+0xc6/0x1e0 [ 1819.014182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.014182][ T7704] [ 1819.015910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1819.015910][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1819.015910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1819.015910][ T7704] ipv6_find_idev+0x102/0x170 [ 1819.015910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1819.015910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.015910][ T7704] netlink_rcv_skb+0x130/0x360 [ 1819.015910][ T7704] netlink_unicast+0x449/0x710 [ 1819.015910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1819.015910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1819.015910][ T7704] ___sys_sendmsg+0xee/0x170 [ 1819.015910][ T7704] __sys_sendmsg+0xcd/0x170 [ 1819.015910][ T7704] do_syscall_64+0xc6/0x1e0 [ 1819.015910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.015910][ T7704] [ 1829.086932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1829.087381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1829.087381][ T7704] netdev_get_by_index+0x5e/0x80 [ 1829.087381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1829.087381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1829.087381][ T7704] ip6_route_add+0x1c/0x140 [ 1829.087381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1829.087381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1829.087381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1829.087381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.087381][ T7704] netlink_rcv_skb+0x130/0x360 [ 1829.087381][ T7704] netlink_unicast+0x449/0x710 [ 1829.087381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1829.087381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1829.087381][ T7704] ___sys_sendmsg+0xee/0x170 [ 1829.087381][ T7704] __sys_sendmsg+0xcd/0x170 [ 1829.087381][ T7704] do_syscall_64+0xc6/0x1e0 [ 1829.087381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.087381][ T7704] [ 1829.089714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1829.089714][ T7704] netdev_get_by_index+0x5e/0x80 [ 1829.089714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1829.089714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1829.089714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1829.089714][ T7704] ipv6_add_addr+0x411/0x2000 [ 1829.089714][ T7704] inet6_addr_add+0x30e/0xa40 [ 1829.089714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1829.089714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.089714][ T7704] netlink_rcv_skb+0x130/0x360 [ 1829.089714][ T7704] netlink_unicast+0x449/0x710 [ 1829.089714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1829.089714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1829.089714][ T7704] ___sys_sendmsg+0xee/0x170 [ 1829.089714][ T7704] __sys_sendmsg+0xcd/0x170 [ 1829.089714][ T7704] do_syscall_64+0xc6/0x1e0 [ 1829.089714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.089714][ T7704] [ 1829.091974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1829.091974][ T7704] netdev_get_by_index+0x5e/0x80 [ 1829.091974][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1829.091974][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1829.091974][ T7704] ip6_route_add+0x1c/0x140 [ 1829.091974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1829.091974][ T7704] addrconf_add_dev+0xe2/0x170 [ 1829.091974][ T7704] inet6_addr_add+0x12f/0xa40 [ 1829.091974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1829.091974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.091974][ T7704] netlink_rcv_skb+0x130/0x360 [ 1829.091974][ T7704] netlink_unicast+0x449/0x710 [ 1829.091974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1829.091974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1829.091974][ T7704] ___sys_sendmsg+0xee/0x170 [ 1829.091974][ T7704] __sys_sendmsg+0xcd/0x170 [ 1829.091974][ T7704] do_syscall_64+0xc6/0x1e0 [ 1829.091974][ T7704] [ 1829.094209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1829.094209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1829.094209][ T7704] ipv6_find_idev+0x102/0x170 [ 1829.094209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1829.094209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.094209][ T7704] netlink_rcv_skb+0x130/0x360 [ 1829.094209][ T7704] netlink_unicast+0x449/0x710 [ 1829.094209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1829.094209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1829.094209][ T7704] ___sys_sendmsg+0xee/0x170 [ 1829.094209][ T7704] __sys_sendmsg+0xcd/0x170 [ 1829.094209][ T7704] do_syscall_64+0xc6/0x1e0 [ 1829.094209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.094209][ T7704] [ 1829.095945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1829.095945][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1829.095945][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1829.095945][ T7704] ipv6_find_idev+0x102/0x170 [ 1829.095945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1829.095945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.095945][ T7704] netlink_rcv_skb+0x130/0x360 [ 1829.095945][ T7704] netlink_unicast+0x449/0x710 [ 1829.095945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1829.095945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1829.095945][ T7704] ___sys_sendmsg+0xee/0x170 [ 1829.095945][ T7704] __sys_sendmsg+0xcd/0x170 [ 1829.095945][ T7704] do_syscall_64+0xc6/0x1e0 [ 1829.095945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.095945][ T7704] [ 1839.262960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1839.263610][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1839.263610][ T7704] netdev_get_by_index+0x5e/0x80 [ 1839.263610][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1839.263610][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1839.263610][ T7704] ip6_route_add+0x1c/0x140 [ 1839.263610][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1839.263610][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1839.263610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.263610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.263610][ T7704] netlink_rcv_skb+0x130/0x360 [ 1839.263610][ T7704] netlink_unicast+0x449/0x710 [ 1839.263610][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1839.263610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1839.263610][ T7704] ___sys_sendmsg+0xee/0x170 [ 1839.263610][ T7704] __sys_sendmsg+0xcd/0x170 [ 1839.263610][ T7704] do_syscall_64+0xc6/0x1e0 [ 1839.263610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.263610][ T7704] [ 1839.267343][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1839.267343][ T7704] netdev_get_by_index+0x5e/0x80 [ 1839.267343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1839.267343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1839.267343][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1839.267343][ T7704] ipv6_add_addr+0x411/0x2000 [ 1839.267343][ T7704] inet6_addr_add+0x30e/0xa40 [ 1839.267343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.267343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.267343][ T7704] netlink_rcv_skb+0x130/0x360 [ 1839.267343][ T7704] netlink_unicast+0x449/0x710 [ 1839.267343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1839.267343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1839.267343][ T7704] ___sys_sendmsg+0xee/0x170 [ 1839.267343][ T7704] __sys_sendmsg+0xcd/0x170 [ 1839.267343][ T7704] do_syscall_64+0xc6/0x1e0 [ 1839.267343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.267343][ T7704] [ 1839.271075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1839.271075][ T7704] netdev_get_by_index+0x5e/0x80 [ 1839.271075][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1839.271075][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1839.271075][ T7704] ip6_route_add+0x1c/0x140 [ 1839.271075][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1839.271075][ T7704] addrconf_add_dev+0xe2/0x170 [ 1839.271075][ T7704] inet6_addr_add+0x12f/0xa40 [ 1839.271075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.271075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.271075][ T7704] netlink_rcv_skb+0x130/0x360 [ 1839.271075][ T7704] netlink_unicast+0x449/0x710 [ 1839.271075][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1839.271075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1839.271075][ T7704] ___sys_sendmsg+0xee/0x170 [ 1839.271075][ T7704] __sys_sendmsg+0xcd/0x170 [ 1839.271075][ T7704] do_syscall_64+0xc6/0x1e0 [ 1839.271075][ T7704] [ 1839.274614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1839.274614][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1839.274614][ T7704] ipv6_find_idev+0x102/0x170 [ 1839.274614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.274614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.274614][ T7704] netlink_rcv_skb+0x130/0x360 [ 1839.274614][ T7704] netlink_unicast+0x449/0x710 [ 1839.274614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1839.274614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1839.274614][ T7704] ___sys_sendmsg+0xee/0x170 [ 1839.274614][ T7704] __sys_sendmsg+0xcd/0x170 [ 1839.274614][ T7704] do_syscall_64+0xc6/0x1e0 [ 1839.274614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.274614][ T7704] [ 1839.277411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1839.277411][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1839.277411][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1839.277411][ T7704] ipv6_find_idev+0x102/0x170 [ 1839.277411][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.277411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.277411][ T7704] netlink_rcv_skb+0x130/0x360 [ 1839.277411][ T7704] netlink_unicast+0x449/0x710 [ 1839.277411][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1839.277411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1839.277411][ T7704] ___sys_sendmsg+0xee/0x170 [ 1839.277411][ T7704] __sys_sendmsg+0xcd/0x170 [ 1839.277411][ T7704] do_syscall_64+0xc6/0x1e0 [ 1839.277411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.277411][ T7704] [ 1849.518892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1849.519402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1849.519402][ T7704] netdev_get_by_index+0x5e/0x80 [ 1849.519402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1849.519402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1849.519402][ T7704] ip6_route_add+0x1c/0x140 [ 1849.519402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1849.519402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1849.519402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.519402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.519402][ T7704] netlink_rcv_skb+0x130/0x360 [ 1849.519402][ T7704] netlink_unicast+0x449/0x710 [ 1849.519402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1849.519402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1849.519402][ T7704] ___sys_sendmsg+0xee/0x170 [ 1849.519402][ T7704] __sys_sendmsg+0xcd/0x170 [ 1849.519402][ T7704] do_syscall_64+0xc6/0x1e0 [ 1849.519402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.519402][ T7704] [ 1849.521760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1849.521760][ T7704] netdev_get_by_index+0x5e/0x80 [ 1849.521760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1849.521760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1849.521760][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1849.521760][ T7704] ipv6_add_addr+0x411/0x2000 [ 1849.521760][ T7704] inet6_addr_add+0x30e/0xa40 [ 1849.521760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.521760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.521760][ T7704] netlink_rcv_skb+0x130/0x360 [ 1849.521760][ T7704] netlink_unicast+0x449/0x710 [ 1849.521760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1849.521760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1849.521760][ T7704] ___sys_sendmsg+0xee/0x170 [ 1849.521760][ T7704] __sys_sendmsg+0xcd/0x170 [ 1849.521760][ T7704] do_syscall_64+0xc6/0x1e0 [ 1849.521760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.521760][ T7704] [ 1849.524157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1849.524157][ T7704] netdev_get_by_index+0x5e/0x80 [ 1849.524157][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1849.524157][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1849.524157][ T7704] ip6_route_add+0x1c/0x140 [ 1849.524157][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1849.524157][ T7704] addrconf_add_dev+0xe2/0x170 [ 1849.524157][ T7704] inet6_addr_add+0x12f/0xa40 [ 1849.524157][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.524157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.524157][ T7704] netlink_rcv_skb+0x130/0x360 [ 1849.524157][ T7704] netlink_unicast+0x449/0x710 [ 1849.524157][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1849.524157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1849.524157][ T7704] ___sys_sendmsg+0xee/0x170 [ 1849.524157][ T7704] __sys_sendmsg+0xcd/0x170 [ 1849.524157][ T7704] do_syscall_64+0xc6/0x1e0 [ 1849.524157][ T7704] [ 1849.526517][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1849.526517][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1849.526517][ T7704] ipv6_find_idev+0x102/0x170 [ 1849.526517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.526517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.526517][ T7704] netlink_rcv_skb+0x130/0x360 [ 1849.526517][ T7704] netlink_unicast+0x449/0x710 [ 1849.526517][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1849.526517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1849.526517][ T7704] ___sys_sendmsg+0xee/0x170 [ 1849.526517][ T7704] __sys_sendmsg+0xcd/0x170 [ 1849.526517][ T7704] do_syscall_64+0xc6/0x1e0 [ 1849.526517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.526517][ T7704] [ 1849.528360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1849.528360][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1849.528360][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1849.528360][ T7704] ipv6_find_idev+0x102/0x170 [ 1849.528360][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.528360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.528360][ T7704] netlink_rcv_skb+0x130/0x360 [ 1849.528360][ T7704] netlink_unicast+0x449/0x710 [ 1849.528360][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1849.528360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1849.528360][ T7704] ___sys_sendmsg+0xee/0x170 [ 1849.528360][ T7704] __sys_sendmsg+0xcd/0x170 [ 1849.528360][ T7704] do_syscall_64+0xc6/0x1e0 [ 1849.528360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.528360][ T7704] [ 1859.582873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1859.583353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1859.583353][ T7704] netdev_get_by_index+0x5e/0x80 [ 1859.583353][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1859.583353][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1859.583353][ T7704] ip6_route_add+0x1c/0x140 [ 1859.583353][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1859.583353][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1859.583353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.583353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.583353][ T7704] netlink_rcv_skb+0x130/0x360 [ 1859.583353][ T7704] netlink_unicast+0x449/0x710 [ 1859.583353][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1859.583353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1859.583353][ T7704] ___sys_sendmsg+0xee/0x170 [ 1859.583353][ T7704] __sys_sendmsg+0xcd/0x170 [ 1859.583353][ T7704] do_syscall_64+0xc6/0x1e0 [ 1859.583353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.583353][ T7704] [ 1859.585621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1859.585621][ T7704] netdev_get_by_index+0x5e/0x80 [ 1859.585621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1859.585621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1859.585621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1859.585621][ T7704] ipv6_add_addr+0x411/0x2000 [ 1859.585621][ T7704] inet6_addr_add+0x30e/0xa40 [ 1859.585621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.585621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.585621][ T7704] netlink_rcv_skb+0x130/0x360 [ 1859.585621][ T7704] netlink_unicast+0x449/0x710 [ 1859.585621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1859.585621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1859.585621][ T7704] ___sys_sendmsg+0xee/0x170 [ 1859.585621][ T7704] __sys_sendmsg+0xcd/0x170 [ 1859.585621][ T7704] do_syscall_64+0xc6/0x1e0 [ 1859.585621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.585621][ T7704] [ 1859.587874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1859.587874][ T7704] netdev_get_by_index+0x5e/0x80 [ 1859.587874][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1859.587874][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1859.587874][ T7704] ip6_route_add+0x1c/0x140 [ 1859.587874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1859.587874][ T7704] addrconf_add_dev+0xe2/0x170 [ 1859.587874][ T7704] inet6_addr_add+0x12f/0xa40 [ 1859.587874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.587874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.587874][ T7704] netlink_rcv_skb+0x130/0x360 [ 1859.587874][ T7704] netlink_unicast+0x449/0x710 [ 1859.587874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1859.587874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1859.587874][ T7704] ___sys_sendmsg+0xee/0x170 [ 1859.587874][ T7704] __sys_sendmsg+0xcd/0x170 [ 1859.587874][ T7704] do_syscall_64+0xc6/0x1e0 [ 1859.587874][ T7704] [ 1859.590099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1859.590099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1859.590099][ T7704] ipv6_find_idev+0x102/0x170 [ 1859.590099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.590099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.590099][ T7704] netlink_rcv_skb+0x130/0x360 [ 1859.590099][ T7704] netlink_unicast+0x449/0x710 [ 1859.590099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1859.590099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1859.590099][ T7704] ___sys_sendmsg+0xee/0x170 [ 1859.590099][ T7704] __sys_sendmsg+0xcd/0x170 [ 1859.590099][ T7704] do_syscall_64+0xc6/0x1e0 [ 1859.590099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.590099][ T7704] [ 1859.591844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1859.591844][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1859.591844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1859.591844][ T7704] ipv6_find_idev+0x102/0x170 [ 1859.591844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.591844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.591844][ T7704] netlink_rcv_skb+0x130/0x360 [ 1859.591844][ T7704] netlink_unicast+0x449/0x710 [ 1859.591844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1859.591844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1859.591844][ T7704] ___sys_sendmsg+0xee/0x170 [ 1859.591844][ T7704] __sys_sendmsg+0xcd/0x170 [ 1859.591844][ T7704] do_syscall_64+0xc6/0x1e0 [ 1859.591844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.591844][ T7704] [ 1869.830927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1869.831375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1869.831375][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.831375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.831375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.831375][ T7704] ip6_route_add+0x1c/0x140 [ 1869.831375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1869.831375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1869.831375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.831375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.831375][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.831375][ T7704] netlink_unicast+0x449/0x710 [ 1869.831375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.831375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.831375][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.831375][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.831375][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.831375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.831375][ T7704] [ 1869.833718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1869.833718][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.833718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.833718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.833718][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1869.833718][ T7704] ipv6_add_addr+0x411/0x2000 [ 1869.833718][ T7704] inet6_addr_add+0x30e/0xa40 [ 1869.833718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.833718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.833718][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.833718][ T7704] netlink_unicast+0x449/0x710 [ 1869.833718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.833718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.833718][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.833718][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.833718][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.833718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.833718][ T7704] [ 1869.835976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1869.835976][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.835976][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.835976][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.835976][ T7704] ip6_route_add+0x1c/0x140 [ 1869.835976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.835976][ T7704] addrconf_add_dev+0xe2/0x170 [ 1869.835976][ T7704] inet6_addr_add+0x12f/0xa40 [ 1869.835976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.835976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.835976][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.835976][ T7704] netlink_unicast+0x449/0x710 [ 1869.835976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.835976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.835976][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.835976][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.835976][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.835976][ T7704] [ 1869.838350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1869.838350][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1869.838350][ T7704] ipv6_find_idev+0x102/0x170 [ 1869.838350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.838350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.838350][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.838350][ T7704] netlink_unicast+0x449/0x710 [ 1869.838350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.838350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.838350][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.838350][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.838350][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.838350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.838350][ T7704] [ 1869.840169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1869.840169][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1869.840169][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1869.840169][ T7704] ipv6_find_idev+0x102/0x170 [ 1869.840169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.840169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.840169][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.840169][ T7704] netlink_unicast+0x449/0x710 [ 1869.840169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.840169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.840169][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.840169][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.840169][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.840169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.840169][ T7704] [ 1880.078927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1880.079402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1880.079402][ T7704] netdev_get_by_index+0x5e/0x80 [ 1880.079402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1880.079402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1880.079402][ T7704] ip6_route_add+0x1c/0x140 [ 1880.079402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1880.079402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1880.079402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.079402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.079402][ T7704] netlink_rcv_skb+0x130/0x360 [ 1880.079402][ T7704] netlink_unicast+0x449/0x710 [ 1880.079402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1880.079402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1880.079402][ T7704] ___sys_sendmsg+0xee/0x170 [ 1880.079402][ T7704] __sys_sendmsg+0xcd/0x170 [ 1880.079402][ T7704] do_syscall_64+0xc6/0x1e0 [ 1880.079402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.079402][ T7704] [ 1880.081739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1880.081739][ T7704] netdev_get_by_index+0x5e/0x80 [ 1880.081739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1880.081739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1880.081739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1880.081739][ T7704] ipv6_add_addr+0x411/0x2000 [ 1880.081739][ T7704] inet6_addr_add+0x30e/0xa40 [ 1880.081739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.081739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.081739][ T7704] netlink_rcv_skb+0x130/0x360 [ 1880.081739][ T7704] netlink_unicast+0x449/0x710 [ 1880.081739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1880.081739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1880.081739][ T7704] ___sys_sendmsg+0xee/0x170 [ 1880.081739][ T7704] __sys_sendmsg+0xcd/0x170 [ 1880.081739][ T7704] do_syscall_64+0xc6/0x1e0 [ 1880.081739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.081739][ T7704] [ 1880.084021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1880.084021][ T7704] netdev_get_by_index+0x5e/0x80 [ 1880.084021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1880.084021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1880.084021][ T7704] ip6_route_add+0x1c/0x140 [ 1880.084021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.084021][ T7704] addrconf_add_dev+0xe2/0x170 [ 1880.084021][ T7704] inet6_addr_add+0x12f/0xa40 [ 1880.084021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.084021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.084021][ T7704] netlink_rcv_skb+0x130/0x360 [ 1880.084021][ T7704] netlink_unicast+0x449/0x710 [ 1880.084021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1880.084021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1880.084021][ T7704] ___sys_sendmsg+0xee/0x170 [ 1880.084021][ T7704] __sys_sendmsg+0xcd/0x170 [ 1880.084021][ T7704] do_syscall_64+0xc6/0x1e0 [ 1880.084021][ T7704] [ 1880.086324][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1880.086324][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1880.086324][ T7704] ipv6_find_idev+0x102/0x170 [ 1880.086324][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.086324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.086324][ T7704] netlink_rcv_skb+0x130/0x360 [ 1880.086324][ T7704] netlink_unicast+0x449/0x710 [ 1880.086324][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1880.086324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1880.086324][ T7704] ___sys_sendmsg+0xee/0x170 [ 1880.086324][ T7704] __sys_sendmsg+0xcd/0x170 [ 1880.086324][ T7704] do_syscall_64+0xc6/0x1e0 [ 1880.086324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.086324][ T7704] [ 1880.088076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1880.088076][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1880.088076][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1880.088076][ T7704] ipv6_find_idev+0x102/0x170 [ 1880.088076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.088076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.088076][ T7704] netlink_rcv_skb+0x130/0x360 [ 1880.088076][ T7704] netlink_unicast+0x449/0x710 [ 1880.088076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1880.088076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1880.088076][ T7704] ___sys_sendmsg+0xee/0x170 [ 1880.088076][ T7704] __sys_sendmsg+0xcd/0x170 [ 1880.088076][ T7704] do_syscall_64+0xc6/0x1e0 [ 1880.088076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.088076][ T7704] [ 1890.326882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1890.327396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1890.327396][ T7704] netdev_get_by_index+0x5e/0x80 [ 1890.327396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1890.327396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1890.327396][ T7704] ip6_route_add+0x1c/0x140 [ 1890.327396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1890.327396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1890.327396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.327396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.327396][ T7704] netlink_rcv_skb+0x130/0x360 [ 1890.327396][ T7704] netlink_unicast+0x449/0x710 [ 1890.327396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1890.327396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1890.327396][ T7704] ___sys_sendmsg+0xee/0x170 [ 1890.327396][ T7704] __sys_sendmsg+0xcd/0x170 [ 1890.327396][ T7704] do_syscall_64+0xc6/0x1e0 [ 1890.327396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.327396][ T7704] [ 1890.329677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1890.329677][ T7704] netdev_get_by_index+0x5e/0x80 [ 1890.329677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1890.329677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1890.329677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1890.329677][ T7704] ipv6_add_addr+0x411/0x2000 [ 1890.329677][ T7704] inet6_addr_add+0x30e/0xa40 [ 1890.329677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.329677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.329677][ T7704] netlink_rcv_skb+0x130/0x360 [ 1890.329677][ T7704] netlink_unicast+0x449/0x710 [ 1890.329677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1890.329677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1890.329677][ T7704] ___sys_sendmsg+0xee/0x170 [ 1890.329677][ T7704] __sys_sendmsg+0xcd/0x170 [ 1890.329677][ T7704] do_syscall_64+0xc6/0x1e0 [ 1890.329677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.329677][ T7704] [ 1890.331977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1890.331977][ T7704] netdev_get_by_index+0x5e/0x80 [ 1890.331977][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1890.331977][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1890.331977][ T7704] ip6_route_add+0x1c/0x140 [ 1890.331977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1890.331977][ T7704] addrconf_add_dev+0xe2/0x170 [ 1890.331977][ T7704] inet6_addr_add+0x12f/0xa40 [ 1890.331977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.331977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.331977][ T7704] netlink_rcv_skb+0x130/0x360 [ 1890.331977][ T7704] netlink_unicast+0x449/0x710 [ 1890.331977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1890.331977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1890.331977][ T7704] ___sys_sendmsg+0xee/0x170 [ 1890.331977][ T7704] __sys_sendmsg+0xcd/0x170 [ 1890.331977][ T7704] do_syscall_64+0xc6/0x1e0 [ 1890.331977][ T7704] [ 1890.334199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1890.334199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1890.334199][ T7704] ipv6_find_idev+0x102/0x170 [ 1890.334199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.334199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.334199][ T7704] netlink_rcv_skb+0x130/0x360 [ 1890.334199][ T7704] netlink_unicast+0x449/0x710 [ 1890.334199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1890.334199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1890.334199][ T7704] ___sys_sendmsg+0xee/0x170 [ 1890.334199][ T7704] __sys_sendmsg+0xcd/0x170 [ 1890.334199][ T7704] do_syscall_64+0xc6/0x1e0 [ 1890.334199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.334199][ T7704] [ 1890.336078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1890.336078][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1890.336078][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1890.336078][ T7704] ipv6_find_idev+0x102/0x170 [ 1890.336078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.336078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.336078][ T7704] netlink_rcv_skb+0x130/0x360 [ 1890.336078][ T7704] netlink_unicast+0x449/0x710 [ 1890.336078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1890.336078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1890.336078][ T7704] ___sys_sendmsg+0xee/0x170 [ 1890.336078][ T7704] __sys_sendmsg+0xcd/0x170 [ 1890.336078][ T7704] do_syscall_64+0xc6/0x1e0 [ 1890.336078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.336078][ T7704] [ 1900.414909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1900.415506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1900.415506][ T7704] netdev_get_by_index+0x5e/0x80 [ 1900.415506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1900.415506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1900.415506][ T7704] ip6_route_add+0x1c/0x140 [ 1900.415506][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1900.415506][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1900.415506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.415506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.415506][ T7704] netlink_rcv_skb+0x130/0x360 [ 1900.415506][ T7704] netlink_unicast+0x449/0x710 [ 1900.415506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1900.415506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1900.415506][ T7704] ___sys_sendmsg+0xee/0x170 [ 1900.415506][ T7704] __sys_sendmsg+0xcd/0x170 [ 1900.415506][ T7704] do_syscall_64+0xc6/0x1e0 [ 1900.415506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.415506][ T7704] [ 1900.419021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1900.419021][ T7704] netdev_get_by_index+0x5e/0x80 [ 1900.419021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1900.419021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1900.419021][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1900.419021][ T7704] ipv6_add_addr+0x411/0x2000 [ 1900.419021][ T7704] inet6_addr_add+0x30e/0xa40 [ 1900.419021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.419021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.419021][ T7704] netlink_rcv_skb+0x130/0x360 [ 1900.419021][ T7704] netlink_unicast+0x449/0x710 [ 1900.419021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1900.419021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1900.419021][ T7704] ___sys_sendmsg+0xee/0x170 [ 1900.419021][ T7704] __sys_sendmsg+0xcd/0x170 [ 1900.419021][ T7704] do_syscall_64+0xc6/0x1e0 [ 1900.419021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.419021][ T7704] [ 1900.422411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1900.422411][ T7704] netdev_get_by_index+0x5e/0x80 [ 1900.422411][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1900.422411][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1900.422411][ T7704] ip6_route_add+0x1c/0x140 [ 1900.422411][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.422411][ T7704] addrconf_add_dev+0xe2/0x170 [ 1900.422411][ T7704] inet6_addr_add+0x12f/0xa40 [ 1900.422411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.422411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.422411][ T7704] netlink_rcv_skb+0x130/0x360 [ 1900.422411][ T7704] netlink_unicast+0x449/0x710 [ 1900.422411][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1900.422411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1900.422411][ T7704] ___sys_sendmsg+0xee/0x170 [ 1900.422411][ T7704] __sys_sendmsg+0xcd/0x170 [ 1900.422411][ T7704] do_syscall_64+0xc6/0x1e0 [ 1900.422411][ T7704] [ 1900.425801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1900.425801][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1900.425801][ T7704] ipv6_find_idev+0x102/0x170 [ 1900.425801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.425801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.425801][ T7704] netlink_rcv_skb+0x130/0x360 [ 1900.425801][ T7704] netlink_unicast+0x449/0x710 [ 1900.425801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1900.425801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1900.425801][ T7704] ___sys_sendmsg+0xee/0x170 [ 1900.425801][ T7704] __sys_sendmsg+0xcd/0x170 [ 1900.425801][ T7704] do_syscall_64+0xc6/0x1e0 [ 1900.425801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.425801][ T7704] [ 1900.428533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1900.428533][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1900.428533][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1900.428533][ T7704] ipv6_find_idev+0x102/0x170 [ 1900.428533][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.428533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.428533][ T7704] netlink_rcv_skb+0x130/0x360 [ 1900.428533][ T7704] netlink_unicast+0x449/0x710 [ 1900.428533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1900.428533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1900.428533][ T7704] ___sys_sendmsg+0xee/0x170 [ 1900.428533][ T7704] __sys_sendmsg+0xcd/0x170 [ 1900.428533][ T7704] do_syscall_64+0xc6/0x1e0 [ 1900.428533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.428533][ T7704] [ 1910.678998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1910.679460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1910.679460][ T7704] netdev_get_by_index+0x5e/0x80 [ 1910.679460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1910.679460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1910.679460][ T7704] ip6_route_add+0x1c/0x140 [ 1910.679460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1910.679460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1910.679460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.679460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.679460][ T7704] netlink_rcv_skb+0x130/0x360 [ 1910.679460][ T7704] netlink_unicast+0x449/0x710 [ 1910.679460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1910.679460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1910.679460][ T7704] ___sys_sendmsg+0xee/0x170 [ 1910.679460][ T7704] __sys_sendmsg+0xcd/0x170 [ 1910.679460][ T7704] do_syscall_64+0xc6/0x1e0 [ 1910.679460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.679460][ T7704] [ 1910.681770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1910.681770][ T7704] netdev_get_by_index+0x5e/0x80 [ 1910.681770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1910.681770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1910.681770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1910.681770][ T7704] ipv6_add_addr+0x411/0x2000 [ 1910.681770][ T7704] inet6_addr_add+0x30e/0xa40 [ 1910.681770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.681770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.681770][ T7704] netlink_rcv_skb+0x130/0x360 [ 1910.681770][ T7704] netlink_unicast+0x449/0x710 [ 1910.681770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1910.681770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1910.681770][ T7704] ___sys_sendmsg+0xee/0x170 [ 1910.681770][ T7704] __sys_sendmsg+0xcd/0x170 [ 1910.681770][ T7704] do_syscall_64+0xc6/0x1e0 [ 1910.681770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.681770][ T7704] [ 1910.684014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1910.684014][ T7704] netdev_get_by_index+0x5e/0x80 [ 1910.684014][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1910.684014][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1910.684014][ T7704] ip6_route_add+0x1c/0x140 [ 1910.684014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.684014][ T7704] addrconf_add_dev+0xe2/0x170 [ 1910.684014][ T7704] inet6_addr_add+0x12f/0xa40 [ 1910.684014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.684014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.684014][ T7704] netlink_rcv_skb+0x130/0x360 [ 1910.684014][ T7704] netlink_unicast+0x449/0x710 [ 1910.684014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1910.684014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1910.684014][ T7704] ___sys_sendmsg+0xee/0x170 [ 1910.684014][ T7704] __sys_sendmsg+0xcd/0x170 [ 1910.684014][ T7704] do_syscall_64+0xc6/0x1e0 [ 1910.684014][ T7704] [ 1910.686581][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1910.686581][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1910.686581][ T7704] ipv6_find_idev+0x102/0x170 [ 1910.686581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.686581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.686581][ T7704] netlink_rcv_skb+0x130/0x360 [ 1910.686581][ T7704] netlink_unicast+0x449/0x710 [ 1910.686581][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1910.686581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1910.686581][ T7704] ___sys_sendmsg+0xee/0x170 [ 1910.686581][ T7704] __sys_sendmsg+0xcd/0x170 [ 1910.686581][ T7704] do_syscall_64+0xc6/0x1e0 [ 1910.686581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.686581][ T7704] [ 1910.689302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1910.689302][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1910.689302][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1910.689302][ T7704] ipv6_find_idev+0x102/0x170 [ 1910.689302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.689302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.689302][ T7704] netlink_rcv_skb+0x130/0x360 [ 1910.689302][ T7704] netlink_unicast+0x449/0x710 [ 1910.689302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1910.689302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1910.689302][ T7704] ___sys_sendmsg+0xee/0x170 [ 1910.689302][ T7704] __sys_sendmsg+0xcd/0x170 [ 1910.689302][ T7704] do_syscall_64+0xc6/0x1e0 [ 1910.689302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.689302][ T7704] [ 1920.942989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1920.943444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1920.943444][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.943444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.943444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.943444][ T7704] ip6_route_add+0x1c/0x140 [ 1920.943444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1920.943444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1920.943444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.943444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.943444][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.943444][ T7704] netlink_unicast+0x449/0x710 [ 1920.943444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.943444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.943444][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.943444][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.943444][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.943444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.943444][ T7704] [ 1920.945813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1920.945813][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.945813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.945813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.945813][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1920.945813][ T7704] ipv6_add_addr+0x411/0x2000 [ 1920.945813][ T7704] inet6_addr_add+0x30e/0xa40 [ 1920.945813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.945813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.945813][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.945813][ T7704] netlink_unicast+0x449/0x710 [ 1920.945813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.945813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.945813][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.945813][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.945813][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.945813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.945813][ T7704] [ 1920.948782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1920.948782][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.948782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.948782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.948782][ T7704] ip6_route_add+0x1c/0x140 [ 1920.948782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.948782][ T7704] addrconf_add_dev+0xe2/0x170 [ 1920.948782][ T7704] inet6_addr_add+0x12f/0xa40 [ 1920.948782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.948782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.948782][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.948782][ T7704] netlink_unicast+0x449/0x710 [ 1920.948782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.948782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.948782][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.948782][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.948782][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.948782][ T7704] [ 1920.951058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1920.951058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1920.951058][ T7704] ipv6_find_idev+0x102/0x170 [ 1920.951058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.951058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.951058][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.951058][ T7704] netlink_unicast+0x449/0x710 [ 1920.951058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.951058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.951058][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.951058][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.951058][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.951058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.951058][ T7704] [ 1920.952819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1920.952819][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1920.952819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1920.952819][ T7704] ipv6_find_idev+0x102/0x170 [ 1920.952819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.952819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.952819][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.952819][ T7704] netlink_unicast+0x449/0x710 [ 1920.952819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.952819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.952819][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.952819][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.952819][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.952819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.952819][ T7704] [ 1931.206938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1931.207580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1931.207580][ T7704] netdev_get_by_index+0x5e/0x80 [ 1931.207580][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1931.207580][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1931.207580][ T7704] ip6_route_add+0x1c/0x140 [ 1931.207580][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1931.207580][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1931.207580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.207580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.207580][ T7704] netlink_rcv_skb+0x130/0x360 [ 1931.207580][ T7704] netlink_unicast+0x449/0x710 [ 1931.207580][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1931.207580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1931.207580][ T7704] ___sys_sendmsg+0xee/0x170 [ 1931.207580][ T7704] __sys_sendmsg+0xcd/0x170 [ 1931.207580][ T7704] do_syscall_64+0xc6/0x1e0 [ 1931.207580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.207580][ T7704] [ 1931.211167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1931.211167][ T7704] netdev_get_by_index+0x5e/0x80 [ 1931.211167][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1931.211167][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1931.211167][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1931.211167][ T7704] ipv6_add_addr+0x411/0x2000 [ 1931.211167][ T7704] inet6_addr_add+0x30e/0xa40 [ 1931.211167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.211167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.211167][ T7704] netlink_rcv_skb+0x130/0x360 [ 1931.211167][ T7704] netlink_unicast+0x449/0x710 [ 1931.211167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1931.211167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1931.211167][ T7704] ___sys_sendmsg+0xee/0x170 [ 1931.211167][ T7704] __sys_sendmsg+0xcd/0x170 [ 1931.211167][ T7704] do_syscall_64+0xc6/0x1e0 [ 1931.211167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.211167][ T7704] [ 1931.214807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1931.214807][ T7704] netdev_get_by_index+0x5e/0x80 [ 1931.214807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1931.214807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1931.214807][ T7704] ip6_route_add+0x1c/0x140 [ 1931.214807][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1931.214807][ T7704] addrconf_add_dev+0xe2/0x170 [ 1931.214807][ T7704] inet6_addr_add+0x12f/0xa40 [ 1931.214807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.214807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.214807][ T7704] netlink_rcv_skb+0x130/0x360 [ 1931.214807][ T7704] netlink_unicast+0x449/0x710 [ 1931.214807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1931.214807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1931.214807][ T7704] ___sys_sendmsg+0xee/0x170 [ 1931.214807][ T7704] __sys_sendmsg+0xcd/0x170 [ 1931.214807][ T7704] do_syscall_64+0xc6/0x1e0 [ 1931.214807][ T7704] [ 1931.218431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1931.218431][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1931.218431][ T7704] ipv6_find_idev+0x102/0x170 [ 1931.218431][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.218431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.218431][ T7704] netlink_rcv_skb+0x130/0x360 [ 1931.218431][ T7704] netlink_unicast+0x449/0x710 [ 1931.218431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1931.218431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1931.218431][ T7704] ___sys_sendmsg+0xee/0x170 [ 1931.218431][ T7704] __sys_sendmsg+0xcd/0x170 [ 1931.218431][ T7704] do_syscall_64+0xc6/0x1e0 [ 1931.218431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.218431][ T7704] [ 1931.221246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1931.221246][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1931.221246][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1931.221246][ T7704] ipv6_find_idev+0x102/0x170 [ 1931.221246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.221246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.221246][ T7704] netlink_rcv_skb+0x130/0x360 [ 1931.221246][ T7704] netlink_unicast+0x449/0x710 [ 1931.221246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1931.221246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1931.221246][ T7704] ___sys_sendmsg+0xee/0x170 [ 1931.221246][ T7704] __sys_sendmsg+0xcd/0x170 [ 1931.221246][ T7704] do_syscall_64+0xc6/0x1e0 [ 1931.221246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.221246][ T7704] [ 1941.470908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1941.471397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1941.471397][ T7704] netdev_get_by_index+0x5e/0x80 [ 1941.471397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1941.471397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1941.471397][ T7704] ip6_route_add+0x1c/0x140 [ 1941.471397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1941.471397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1941.471397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.471397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.471397][ T7704] netlink_rcv_skb+0x130/0x360 [ 1941.471397][ T7704] netlink_unicast+0x449/0x710 [ 1941.471397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1941.471397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1941.471397][ T7704] ___sys_sendmsg+0xee/0x170 [ 1941.471397][ T7704] __sys_sendmsg+0xcd/0x170 [ 1941.471397][ T7704] do_syscall_64+0xc6/0x1e0 [ 1941.471397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.471397][ T7704] [ 1941.473960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1941.473960][ T7704] netdev_get_by_index+0x5e/0x80 [ 1941.473960][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1941.473960][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1941.473960][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1941.473960][ T7704] ipv6_add_addr+0x411/0x2000 [ 1941.473960][ T7704] inet6_addr_add+0x30e/0xa40 [ 1941.473960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.473960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.473960][ T7704] netlink_rcv_skb+0x130/0x360 [ 1941.473960][ T7704] netlink_unicast+0x449/0x710 [ 1941.473960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1941.473960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1941.473960][ T7704] ___sys_sendmsg+0xee/0x170 [ 1941.473960][ T7704] __sys_sendmsg+0xcd/0x170 [ 1941.473960][ T7704] do_syscall_64+0xc6/0x1e0 [ 1941.473960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.473960][ T7704] [ 1941.476483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1941.476483][ T7704] netdev_get_by_index+0x5e/0x80 [ 1941.476483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1941.476483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1941.476483][ T7704] ip6_route_add+0x1c/0x140 [ 1941.476483][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1941.476483][ T7704] addrconf_add_dev+0xe2/0x170 [ 1941.476483][ T7704] inet6_addr_add+0x12f/0xa40 [ 1941.476483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.476483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.476483][ T7704] netlink_rcv_skb+0x130/0x360 [ 1941.476483][ T7704] netlink_unicast+0x449/0x710 [ 1941.476483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1941.476483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1941.476483][ T7704] ___sys_sendmsg+0xee/0x170 [ 1941.476483][ T7704] __sys_sendmsg+0xcd/0x170 [ 1941.476483][ T7704] do_syscall_64+0xc6/0x1e0 [ 1941.476483][ T7704] [ 1941.478957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1941.478957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1941.478957][ T7704] ipv6_find_idev+0x102/0x170 [ 1941.478957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.478957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.478957][ T7704] netlink_rcv_skb+0x130/0x360 [ 1941.478957][ T7704] netlink_unicast+0x449/0x710 [ 1941.478957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1941.478957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1941.478957][ T7704] ___sys_sendmsg+0xee/0x170 [ 1941.478957][ T7704] __sys_sendmsg+0xcd/0x170 [ 1941.478957][ T7704] do_syscall_64+0xc6/0x1e0 [ 1941.478957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.478957][ T7704] [ 1941.480910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1941.480910][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1941.480910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1941.480910][ T7704] ipv6_find_idev+0x102/0x170 [ 1941.480910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.480910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.480910][ T7704] netlink_rcv_skb+0x130/0x360 [ 1941.480910][ T7704] netlink_unicast+0x449/0x710 [ 1941.480910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1941.480910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1941.480910][ T7704] ___sys_sendmsg+0xee/0x170 [ 1941.480910][ T7704] __sys_sendmsg+0xcd/0x170 [ 1941.480910][ T7704] do_syscall_64+0xc6/0x1e0 [ 1941.480910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.480910][ T7704] [ 1951.606913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1951.607399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1951.607399][ T7704] netdev_get_by_index+0x5e/0x80 [ 1951.607399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1951.607399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1951.607399][ T7704] ip6_route_add+0x1c/0x140 [ 1951.607399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1951.607399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1951.607399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.607399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.607399][ T7704] netlink_rcv_skb+0x130/0x360 [ 1951.607399][ T7704] netlink_unicast+0x449/0x710 [ 1951.607399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1951.607399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1951.607399][ T7704] ___sys_sendmsg+0xee/0x170 [ 1951.607399][ T7704] __sys_sendmsg+0xcd/0x170 [ 1951.607399][ T7704] do_syscall_64+0xc6/0x1e0 [ 1951.607399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.607399][ T7704] [ 1951.609938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1951.609938][ T7704] netdev_get_by_index+0x5e/0x80 [ 1951.609938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1951.609938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1951.609938][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1951.609938][ T7704] ipv6_add_addr+0x411/0x2000 [ 1951.609938][ T7704] inet6_addr_add+0x30e/0xa40 [ 1951.609938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.609938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.609938][ T7704] netlink_rcv_skb+0x130/0x360 [ 1951.609938][ T7704] netlink_unicast+0x449/0x710 [ 1951.609938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1951.609938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1951.609938][ T7704] ___sys_sendmsg+0xee/0x170 [ 1951.609938][ T7704] __sys_sendmsg+0xcd/0x170 [ 1951.609938][ T7704] do_syscall_64+0xc6/0x1e0 [ 1951.609938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.609938][ T7704] [ 1951.612437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1951.612437][ T7704] netdev_get_by_index+0x5e/0x80 [ 1951.612437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1951.612437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1951.612437][ T7704] ip6_route_add+0x1c/0x140 [ 1951.612437][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.612437][ T7704] addrconf_add_dev+0xe2/0x170 [ 1951.612437][ T7704] inet6_addr_add+0x12f/0xa40 [ 1951.612437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.612437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.612437][ T7704] netlink_rcv_skb+0x130/0x360 [ 1951.612437][ T7704] netlink_unicast+0x449/0x710 [ 1951.612437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1951.612437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1951.612437][ T7704] ___sys_sendmsg+0xee/0x170 [ 1951.612437][ T7704] __sys_sendmsg+0xcd/0x170 [ 1951.612437][ T7704] do_syscall_64+0xc6/0x1e0 [ 1951.612437][ T7704] [ 1951.614889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1951.614889][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1951.614889][ T7704] ipv6_find_idev+0x102/0x170 [ 1951.614889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.614889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.614889][ T7704] netlink_rcv_skb+0x130/0x360 [ 1951.614889][ T7704] netlink_unicast+0x449/0x710 [ 1951.614889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1951.614889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1951.614889][ T7704] ___sys_sendmsg+0xee/0x170 [ 1951.614889][ T7704] __sys_sendmsg+0xcd/0x170 [ 1951.614889][ T7704] do_syscall_64+0xc6/0x1e0 [ 1951.614889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.614889][ T7704] [ 1951.616808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1951.616808][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1951.616808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1951.616808][ T7704] ipv6_find_idev+0x102/0x170 [ 1951.616808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.616808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.616808][ T7704] netlink_rcv_skb+0x130/0x360 [ 1951.616808][ T7704] netlink_unicast+0x449/0x710 [ 1951.616808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1951.616808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1951.616808][ T7704] ___sys_sendmsg+0xee/0x170 [ 1951.616808][ T7704] __sys_sendmsg+0xcd/0x170 [ 1951.616808][ T7704] do_syscall_64+0xc6/0x1e0 [ 1951.616808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.616808][ T7704] [ 1961.647011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1961.647606][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1961.647606][ T7704] netdev_get_by_index+0x5e/0x80 [ 1961.647606][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1961.647606][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1961.647606][ T7704] ip6_route_add+0x1c/0x140 [ 1961.647606][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1961.647606][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1961.647606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.647606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.647606][ T7704] netlink_rcv_skb+0x130/0x360 [ 1961.647606][ T7704] netlink_unicast+0x449/0x710 [ 1961.647606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1961.647606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1961.647606][ T7704] ___sys_sendmsg+0xee/0x170 [ 1961.647606][ T7704] __sys_sendmsg+0xcd/0x170 [ 1961.647606][ T7704] do_syscall_64+0xc6/0x1e0 [ 1961.647606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.647606][ T7704] [ 1961.649958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1961.649958][ T7704] netdev_get_by_index+0x5e/0x80 [ 1961.649958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1961.649958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1961.649958][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1961.649958][ T7704] ipv6_add_addr+0x411/0x2000 [ 1961.649958][ T7704] inet6_addr_add+0x30e/0xa40 [ 1961.649958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.649958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.649958][ T7704] netlink_rcv_skb+0x130/0x360 [ 1961.649958][ T7704] netlink_unicast+0x449/0x710 [ 1961.649958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1961.649958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1961.649958][ T7704] ___sys_sendmsg+0xee/0x170 [ 1961.649958][ T7704] __sys_sendmsg+0xcd/0x170 [ 1961.649958][ T7704] do_syscall_64+0xc6/0x1e0 [ 1961.649958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.649958][ T7704] [ 1961.652310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1961.652310][ T7704] netdev_get_by_index+0x5e/0x80 [ 1961.652310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1961.652310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1961.652310][ T7704] ip6_route_add+0x1c/0x140 [ 1961.652310][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.652310][ T7704] addrconf_add_dev+0xe2/0x170 [ 1961.652310][ T7704] inet6_addr_add+0x12f/0xa40 [ 1961.652310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.652310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.652310][ T7704] netlink_rcv_skb+0x130/0x360 [ 1961.652310][ T7704] netlink_unicast+0x449/0x710 [ 1961.652310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1961.652310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1961.652310][ T7704] ___sys_sendmsg+0xee/0x170 [ 1961.652310][ T7704] __sys_sendmsg+0xcd/0x170 [ 1961.652310][ T7704] do_syscall_64+0xc6/0x1e0 [ 1961.652310][ T7704] [ 1961.654611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1961.654611][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1961.654611][ T7704] ipv6_find_idev+0x102/0x170 [ 1961.654611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.654611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.654611][ T7704] netlink_rcv_skb+0x130/0x360 [ 1961.654611][ T7704] netlink_unicast+0x449/0x710 [ 1961.654611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1961.654611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1961.654611][ T7704] ___sys_sendmsg+0xee/0x170 [ 1961.654611][ T7704] __sys_sendmsg+0xcd/0x170 [ 1961.654611][ T7704] do_syscall_64+0xc6/0x1e0 [ 1961.654611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.654611][ T7704] [ 1961.656428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1961.656428][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1961.656428][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1961.656428][ T7704] ipv6_find_idev+0x102/0x170 [ 1961.656428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.656428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.656428][ T7704] netlink_rcv_skb+0x130/0x360 [ 1961.656428][ T7704] netlink_unicast+0x449/0x710 [ 1961.656428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1961.656428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1961.656428][ T7704] ___sys_sendmsg+0xee/0x170 [ 1961.656428][ T7704] __sys_sendmsg+0xcd/0x170 [ 1961.656428][ T7704] do_syscall_64+0xc6/0x1e0 [ 1961.656428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.656428][ T7704] [ 1971.662987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1971.663445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1971.663445][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.663445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.663445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.663445][ T7704] ip6_route_add+0x1c/0x140 [ 1971.663445][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1971.663445][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1971.663445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.663445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.663445][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.663445][ T7704] netlink_unicast+0x449/0x710 [ 1971.663445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.663445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.663445][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.663445][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.663445][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.663445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.663445][ T7704] [ 1971.665768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1971.665768][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.665768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.665768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.665768][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1971.665768][ T7704] ipv6_add_addr+0x411/0x2000 [ 1971.665768][ T7704] inet6_addr_add+0x30e/0xa40 [ 1971.665768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.665768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.665768][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.665768][ T7704] netlink_unicast+0x449/0x710 [ 1971.665768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.665768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.665768][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.665768][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.665768][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.665768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.665768][ T7704] [ 1971.668058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1971.668058][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.668058][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.668058][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.668058][ T7704] ip6_route_add+0x1c/0x140 [ 1971.668058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.668058][ T7704] addrconf_add_dev+0xe2/0x170 [ 1971.668058][ T7704] inet6_addr_add+0x12f/0xa40 [ 1971.668058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.668058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.668058][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.668058][ T7704] netlink_unicast+0x449/0x710 [ 1971.668058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.668058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.668058][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.668058][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.668058][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.668058][ T7704] [ 1971.670318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1971.670318][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1971.670318][ T7704] ipv6_find_idev+0x102/0x170 [ 1971.670318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.670318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.670318][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.670318][ T7704] netlink_unicast+0x449/0x710 [ 1971.670318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.670318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.670318][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.670318][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.670318][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.670318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.670318][ T7704] [ 1971.672103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1971.672103][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1971.672103][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1971.672103][ T7704] ipv6_find_idev+0x102/0x170 [ 1971.672103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.672103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.672103][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.672103][ T7704] netlink_unicast+0x449/0x710 [ 1971.672103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.672103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.672103][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.672103][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.672103][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.672103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.672103][ T7704] [ 1981.910910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1981.911434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1981.911434][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.911434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.911434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.911434][ T7704] ip6_route_add+0x1c/0x140 [ 1981.911434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1981.911434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1981.911434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.911434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.911434][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.911434][ T7704] netlink_unicast+0x449/0x710 [ 1981.911434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.911434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.911434][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.911434][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.911434][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.911434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.911434][ T7704] [ 1981.913904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1981.913904][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.913904][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.913904][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.913904][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1981.913904][ T7704] ipv6_add_addr+0x411/0x2000 [ 1981.913904][ T7704] inet6_addr_add+0x30e/0xa40 [ 1981.913904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.913904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.913904][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.913904][ T7704] netlink_unicast+0x449/0x710 [ 1981.913904][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.913904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.913904][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.913904][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.913904][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.913904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.913904][ T7704] [ 1981.916336][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1981.916336][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.916336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.916336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.916336][ T7704] ip6_route_add+0x1c/0x140 [ 1981.916336][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.916336][ T7704] addrconf_add_dev+0xe2/0x170 [ 1981.916336][ T7704] inet6_addr_add+0x12f/0xa40 [ 1981.916336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.916336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.916336][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.916336][ T7704] netlink_unicast+0x449/0x710 [ 1981.916336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.916336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.916336][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.916336][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.916336][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.916336][ T7704] [ 1981.918741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1981.918741][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1981.918741][ T7704] ipv6_find_idev+0x102/0x170 [ 1981.918741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.918741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.918741][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.918741][ T7704] netlink_unicast+0x449/0x710 [ 1981.918741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.918741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.918741][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.918741][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.918741][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.918741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.918741][ T7704] [ 1981.920575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1981.920575][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1981.920575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1981.920575][ T7704] ipv6_find_idev+0x102/0x170 [ 1981.920575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.920575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.920575][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.920575][ T7704] netlink_unicast+0x449/0x710 [ 1981.920575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.920575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.920575][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.920575][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.920575][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.920575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.920575][ T7704] [ 1992.118929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1992.119549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1992.119549][ T7704] netdev_get_by_index+0x5e/0x80 [ 1992.119549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1992.119549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1992.119549][ T7704] ip6_route_add+0x1c/0x140 [ 1992.119549][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1992.119549][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1992.119549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.119549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.119549][ T7704] netlink_rcv_skb+0x130/0x360 [ 1992.119549][ T7704] netlink_unicast+0x449/0x710 [ 1992.119549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1992.119549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1992.119549][ T7704] ___sys_sendmsg+0xee/0x170 [ 1992.119549][ T7704] __sys_sendmsg+0xcd/0x170 [ 1992.119549][ T7704] do_syscall_64+0xc6/0x1e0 [ 1992.119549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.119549][ T7704] [ 1992.123174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1992.123174][ T7704] netdev_get_by_index+0x5e/0x80 [ 1992.123174][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1992.123174][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1992.123174][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1992.123174][ T7704] ipv6_add_addr+0x411/0x2000 [ 1992.123174][ T7704] inet6_addr_add+0x30e/0xa40 [ 1992.123174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.123174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.123174][ T7704] netlink_rcv_skb+0x130/0x360 [ 1992.123174][ T7704] netlink_unicast+0x449/0x710 [ 1992.123174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1992.123174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1992.123174][ T7704] ___sys_sendmsg+0xee/0x170 [ 1992.123174][ T7704] __sys_sendmsg+0xcd/0x170 [ 1992.123174][ T7704] do_syscall_64+0xc6/0x1e0 [ 1992.123174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.123174][ T7704] [ 1992.126792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1992.126792][ T7704] netdev_get_by_index+0x5e/0x80 [ 1992.126792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1992.126792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1992.126792][ T7704] ip6_route_add+0x1c/0x140 [ 1992.126792][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.126792][ T7704] addrconf_add_dev+0xe2/0x170 [ 1992.126792][ T7704] inet6_addr_add+0x12f/0xa40 [ 1992.126792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.126792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.126792][ T7704] netlink_rcv_skb+0x130/0x360 [ 1992.126792][ T7704] netlink_unicast+0x449/0x710 [ 1992.126792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1992.126792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1992.126792][ T7704] ___sys_sendmsg+0xee/0x170 [ 1992.126792][ T7704] __sys_sendmsg+0xcd/0x170 [ 1992.126792][ T7704] do_syscall_64+0xc6/0x1e0 [ 1992.126792][ T7704] [ 1992.130388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1992.130388][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1992.130388][ T7704] ipv6_find_idev+0x102/0x170 [ 1992.130388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.130388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.130388][ T7704] netlink_rcv_skb+0x130/0x360 [ 1992.130388][ T7704] netlink_unicast+0x449/0x710 [ 1992.130388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1992.130388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1992.130388][ T7704] ___sys_sendmsg+0xee/0x170 [ 1992.130388][ T7704] __sys_sendmsg+0xcd/0x170 [ 1992.130388][ T7704] do_syscall_64+0xc6/0x1e0 [ 1992.130388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.130388][ T7704] [ 1992.133204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 1992.133204][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1992.133204][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1992.133204][ T7704] ipv6_find_idev+0x102/0x170 [ 1992.133204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.133204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.133204][ T7704] netlink_rcv_skb+0x130/0x360 [ 1992.133204][ T7704] netlink_unicast+0x449/0x710 [ 1992.133204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1992.133204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1992.133204][ T7704] ___sys_sendmsg+0xee/0x170 [ 1992.133204][ T7704] __sys_sendmsg+0xcd/0x170 [ 1992.133204][ T7704] do_syscall_64+0xc6/0x1e0 [ 1992.133204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.133204][ T7704] [ 2002.374951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2002.375453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2002.375453][ T7704] netdev_get_by_index+0x5e/0x80 [ 2002.375453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2002.375453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2002.375453][ T7704] ip6_route_add+0x1c/0x140 [ 2002.375453][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2002.375453][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2002.375453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.375453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.375453][ T7704] netlink_rcv_skb+0x130/0x360 [ 2002.375453][ T7704] netlink_unicast+0x449/0x710 [ 2002.375453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2002.375453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2002.375453][ T7704] ___sys_sendmsg+0xee/0x170 [ 2002.375453][ T7704] __sys_sendmsg+0xcd/0x170 [ 2002.375453][ T7704] do_syscall_64+0xc6/0x1e0 [ 2002.375453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.375453][ T7704] [ 2002.377743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2002.377743][ T7704] netdev_get_by_index+0x5e/0x80 [ 2002.377743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2002.377743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2002.377743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2002.377743][ T7704] ipv6_add_addr+0x411/0x2000 [ 2002.377743][ T7704] inet6_addr_add+0x30e/0xa40 [ 2002.377743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.377743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.377743][ T7704] netlink_rcv_skb+0x130/0x360 [ 2002.377743][ T7704] netlink_unicast+0x449/0x710 [ 2002.377743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2002.377743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2002.377743][ T7704] ___sys_sendmsg+0xee/0x170 [ 2002.377743][ T7704] __sys_sendmsg+0xcd/0x170 [ 2002.377743][ T7704] do_syscall_64+0xc6/0x1e0 [ 2002.377743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.377743][ T7704] [ 2002.380049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2002.380049][ T7704] netdev_get_by_index+0x5e/0x80 [ 2002.380049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2002.380049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2002.380049][ T7704] ip6_route_add+0x1c/0x140 [ 2002.380049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.380049][ T7704] addrconf_add_dev+0xe2/0x170 [ 2002.380049][ T7704] inet6_addr_add+0x12f/0xa40 [ 2002.380049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.380049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.380049][ T7704] netlink_rcv_skb+0x130/0x360 [ 2002.380049][ T7704] netlink_unicast+0x449/0x710 [ 2002.380049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2002.380049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2002.380049][ T7704] ___sys_sendmsg+0xee/0x170 [ 2002.380049][ T7704] __sys_sendmsg+0xcd/0x170 [ 2002.380049][ T7704] do_syscall_64+0xc6/0x1e0 [ 2002.380049][ T7704] [ 2002.382300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2002.382300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2002.382300][ T7704] ipv6_find_idev+0x102/0x170 [ 2002.382300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.382300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.382300][ T7704] netlink_rcv_skb+0x130/0x360 [ 2002.382300][ T7704] netlink_unicast+0x449/0x710 [ 2002.382300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2002.382300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2002.382300][ T7704] ___sys_sendmsg+0xee/0x170 [ 2002.382300][ T7704] __sys_sendmsg+0xcd/0x170 [ 2002.382300][ T7704] do_syscall_64+0xc6/0x1e0 [ 2002.382300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.382300][ T7704] [ 2002.384050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2002.384050][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2002.384050][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2002.384050][ T7704] ipv6_find_idev+0x102/0x170 [ 2002.384050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.384050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.384050][ T7704] netlink_rcv_skb+0x130/0x360 [ 2002.384050][ T7704] netlink_unicast+0x449/0x710 [ 2002.384050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2002.384050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2002.384050][ T7704] ___sys_sendmsg+0xee/0x170 [ 2002.384050][ T7704] __sys_sendmsg+0xcd/0x170 [ 2002.384050][ T7704] do_syscall_64+0xc6/0x1e0 [ 2002.384050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.384050][ T7704] [ 2012.622924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2012.623601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2012.623601][ T7704] netdev_get_by_index+0x5e/0x80 [ 2012.623601][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2012.623601][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2012.623601][ T7704] ip6_route_add+0x1c/0x140 [ 2012.623601][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2012.623601][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2012.623601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.623601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.623601][ T7704] netlink_rcv_skb+0x130/0x360 [ 2012.623601][ T7704] netlink_unicast+0x449/0x710 [ 2012.623601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2012.623601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2012.623601][ T7704] ___sys_sendmsg+0xee/0x170 [ 2012.623601][ T7704] __sys_sendmsg+0xcd/0x170 [ 2012.623601][ T7704] do_syscall_64+0xc6/0x1e0 [ 2012.623601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.623601][ T7704] [ 2012.627210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2012.627210][ T7704] netdev_get_by_index+0x5e/0x80 [ 2012.627210][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2012.627210][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2012.627210][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2012.627210][ T7704] ipv6_add_addr+0x411/0x2000 [ 2012.627210][ T7704] inet6_addr_add+0x30e/0xa40 [ 2012.627210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.627210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.627210][ T7704] netlink_rcv_skb+0x130/0x360 [ 2012.627210][ T7704] netlink_unicast+0x449/0x710 [ 2012.627210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2012.627210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2012.627210][ T7704] ___sys_sendmsg+0xee/0x170 [ 2012.627210][ T7704] __sys_sendmsg+0xcd/0x170 [ 2012.627210][ T7704] do_syscall_64+0xc6/0x1e0 [ 2012.627210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.627210][ T7704] [ 2012.631854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2012.631854][ T7704] netdev_get_by_index+0x5e/0x80 [ 2012.631854][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2012.631854][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2012.631854][ T7704] ip6_route_add+0x1c/0x140 [ 2012.631854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.631854][ T7704] addrconf_add_dev+0xe2/0x170 [ 2012.631854][ T7704] inet6_addr_add+0x12f/0xa40 [ 2012.631854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.631854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.631854][ T7704] netlink_rcv_skb+0x130/0x360 [ 2012.631854][ T7704] netlink_unicast+0x449/0x710 [ 2012.631854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2012.631854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2012.631854][ T7704] ___sys_sendmsg+0xee/0x170 [ 2012.631854][ T7704] __sys_sendmsg+0xcd/0x170 [ 2012.631854][ T7704] do_syscall_64+0xc6/0x1e0 [ 2012.631854][ T7704] [ 2012.635209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2012.635209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2012.635209][ T7704] ipv6_find_idev+0x102/0x170 [ 2012.635209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.635209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.635209][ T7704] netlink_rcv_skb+0x130/0x360 [ 2012.635209][ T7704] netlink_unicast+0x449/0x710 [ 2012.635209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2012.635209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2012.635209][ T7704] ___sys_sendmsg+0xee/0x170 [ 2012.635209][ T7704] __sys_sendmsg+0xcd/0x170 [ 2012.635209][ T7704] do_syscall_64+0xc6/0x1e0 [ 2012.635209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.635209][ T7704] [ 2012.637894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2012.637894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2012.637894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2012.637894][ T7704] ipv6_find_idev+0x102/0x170 [ 2012.637894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.637894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.637894][ T7704] netlink_rcv_skb+0x130/0x360 [ 2012.637894][ T7704] netlink_unicast+0x449/0x710 [ 2012.637894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2012.637894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2012.637894][ T7704] ___sys_sendmsg+0xee/0x170 [ 2012.637894][ T7704] __sys_sendmsg+0xcd/0x170 [ 2012.637894][ T7704] do_syscall_64+0xc6/0x1e0 [ 2012.637894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.637894][ T7704] [ 2022.878973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2022.879420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2022.879420][ T7704] netdev_get_by_index+0x5e/0x80 [ 2022.879420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2022.879420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2022.879420][ T7704] ip6_route_add+0x1c/0x140 [ 2022.879420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2022.879420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2022.879420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.879420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.879420][ T7704] netlink_rcv_skb+0x130/0x360 [ 2022.879420][ T7704] netlink_unicast+0x449/0x710 [ 2022.879420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2022.879420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2022.879420][ T7704] ___sys_sendmsg+0xee/0x170 [ 2022.879420][ T7704] __sys_sendmsg+0xcd/0x170 [ 2022.879420][ T7704] do_syscall_64+0xc6/0x1e0 [ 2022.879420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.879420][ T7704] [ 2022.881778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2022.881778][ T7704] netdev_get_by_index+0x5e/0x80 [ 2022.881778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2022.881778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2022.881778][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2022.881778][ T7704] ipv6_add_addr+0x411/0x2000 [ 2022.881778][ T7704] inet6_addr_add+0x30e/0xa40 [ 2022.881778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.881778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.881778][ T7704] netlink_rcv_skb+0x130/0x360 [ 2022.881778][ T7704] netlink_unicast+0x449/0x710 [ 2022.881778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2022.881778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2022.881778][ T7704] ___sys_sendmsg+0xee/0x170 [ 2022.881778][ T7704] __sys_sendmsg+0xcd/0x170 [ 2022.881778][ T7704] do_syscall_64+0xc6/0x1e0 [ 2022.881778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.881778][ T7704] [ 2022.884062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2022.884062][ T7704] netdev_get_by_index+0x5e/0x80 [ 2022.884062][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2022.884062][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2022.884062][ T7704] ip6_route_add+0x1c/0x140 [ 2022.884062][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.884062][ T7704] addrconf_add_dev+0xe2/0x170 [ 2022.884062][ T7704] inet6_addr_add+0x12f/0xa40 [ 2022.884062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.884062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.884062][ T7704] netlink_rcv_skb+0x130/0x360 [ 2022.884062][ T7704] netlink_unicast+0x449/0x710 [ 2022.884062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2022.884062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2022.884062][ T7704] ___sys_sendmsg+0xee/0x170 [ 2022.884062][ T7704] __sys_sendmsg+0xcd/0x170 [ 2022.884062][ T7704] do_syscall_64+0xc6/0x1e0 [ 2022.884062][ T7704] [ 2022.886303][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2022.886303][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2022.886303][ T7704] ipv6_find_idev+0x102/0x170 [ 2022.886303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.886303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.886303][ T7704] netlink_rcv_skb+0x130/0x360 [ 2022.886303][ T7704] netlink_unicast+0x449/0x710 [ 2022.886303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2022.886303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2022.886303][ T7704] ___sys_sendmsg+0xee/0x170 [ 2022.886303][ T7704] __sys_sendmsg+0xcd/0x170 [ 2022.886303][ T7704] do_syscall_64+0xc6/0x1e0 [ 2022.886303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.886303][ T7704] [ 2022.888053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2022.888053][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2022.888053][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2022.888053][ T7704] ipv6_find_idev+0x102/0x170 [ 2022.888053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.888053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.888053][ T7704] netlink_rcv_skb+0x130/0x360 [ 2022.888053][ T7704] netlink_unicast+0x449/0x710 [ 2022.888053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2022.888053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2022.888053][ T7704] ___sys_sendmsg+0xee/0x170 [ 2022.888053][ T7704] __sys_sendmsg+0xcd/0x170 [ 2022.888053][ T7704] do_syscall_64+0xc6/0x1e0 [ 2022.888053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.888053][ T7704] [ 2032.983067][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2032.984086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2032.984086][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.984086][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.984086][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.984086][ T7704] ip6_route_add+0x1c/0x140 [ 2032.984086][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2032.984086][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2032.984086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.984086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.984086][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.984086][ T7704] netlink_unicast+0x449/0x710 [ 2032.984086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.984086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.984086][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.984086][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.984086][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.984086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.984086][ T7704] [ 2032.988188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2032.988188][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.988188][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.988188][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.988188][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2032.988188][ T7704] ipv6_add_addr+0x411/0x2000 [ 2032.988188][ T7704] inet6_addr_add+0x30e/0xa40 [ 2032.988188][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.988188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.988188][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.988188][ T7704] netlink_unicast+0x449/0x710 [ 2032.988188][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.988188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.988188][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.988188][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.988188][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.988188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.988188][ T7704] [ 2032.992322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2032.992322][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.992322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.992322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.992322][ T7704] ip6_route_add+0x1c/0x140 [ 2032.992322][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.992322][ T7704] addrconf_add_dev+0xe2/0x170 [ 2032.992322][ T7704] inet6_addr_add+0x12f/0xa40 [ 2032.992322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.992322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.992322][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.992322][ T7704] netlink_unicast+0x449/0x710 [ 2032.992322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.992322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.992322][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.992322][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.992322][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.992322][ T7704] [ 2032.996407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2032.996407][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2032.996407][ T7704] ipv6_find_idev+0x102/0x170 [ 2032.996407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.996407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.996407][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.996407][ T7704] netlink_unicast+0x449/0x710 [ 2032.996407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.996407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.996407][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.996407][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.996407][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.996407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.996407][ T7704] [ 2032.999598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2032.999598][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2032.999598][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2032.999598][ T7704] ipv6_find_idev+0x102/0x170 [ 2032.999598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.999598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.999598][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.999598][ T7704] netlink_unicast+0x449/0x710 [ 2032.999598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.999598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.999598][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.999598][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.999598][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.999598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.999598][ T7704] [ 2043.246982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2043.247616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2043.247616][ T7704] netdev_get_by_index+0x5e/0x80 [ 2043.247616][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2043.247616][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2043.247616][ T7704] ip6_route_add+0x1c/0x140 [ 2043.247616][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2043.247616][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2043.247616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.247616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.247616][ T7704] netlink_rcv_skb+0x130/0x360 [ 2043.247616][ T7704] netlink_unicast+0x449/0x710 [ 2043.247616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2043.247616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2043.247616][ T7704] ___sys_sendmsg+0xee/0x170 [ 2043.247616][ T7704] __sys_sendmsg+0xcd/0x170 [ 2043.247616][ T7704] do_syscall_64+0xc6/0x1e0 [ 2043.247616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.247616][ T7704] [ 2043.250297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2043.250297][ T7704] netdev_get_by_index+0x5e/0x80 [ 2043.250297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2043.250297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2043.250297][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2043.250297][ T7704] ipv6_add_addr+0x411/0x2000 [ 2043.250297][ T7704] inet6_addr_add+0x30e/0xa40 [ 2043.250297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.250297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.250297][ T7704] netlink_rcv_skb+0x130/0x360 [ 2043.250297][ T7704] netlink_unicast+0x449/0x710 [ 2043.250297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2043.250297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2043.250297][ T7704] ___sys_sendmsg+0xee/0x170 [ 2043.250297][ T7704] __sys_sendmsg+0xcd/0x170 [ 2043.250297][ T7704] do_syscall_64+0xc6/0x1e0 [ 2043.250297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.250297][ T7704] [ 2043.252916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2043.252916][ T7704] netdev_get_by_index+0x5e/0x80 [ 2043.252916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2043.252916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2043.252916][ T7704] ip6_route_add+0x1c/0x140 [ 2043.252916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.252916][ T7704] addrconf_add_dev+0xe2/0x170 [ 2043.252916][ T7704] inet6_addr_add+0x12f/0xa40 [ 2043.252916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.252916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.252916][ T7704] netlink_rcv_skb+0x130/0x360 [ 2043.252916][ T7704] netlink_unicast+0x449/0x710 [ 2043.252916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2043.252916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2043.252916][ T7704] ___sys_sendmsg+0xee/0x170 [ 2043.252916][ T7704] __sys_sendmsg+0xcd/0x170 [ 2043.252916][ T7704] do_syscall_64+0xc6/0x1e0 [ 2043.252916][ T7704] [ 2043.255497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2043.255497][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2043.255497][ T7704] ipv6_find_idev+0x102/0x170 [ 2043.255497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.255497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.255497][ T7704] netlink_rcv_skb+0x130/0x360 [ 2043.255497][ T7704] netlink_unicast+0x449/0x710 [ 2043.255497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2043.255497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2043.255497][ T7704] ___sys_sendmsg+0xee/0x170 [ 2043.255497][ T7704] __sys_sendmsg+0xcd/0x170 [ 2043.255497][ T7704] do_syscall_64+0xc6/0x1e0 [ 2043.255497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.255497][ T7704] [ 2043.257543][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2043.257543][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2043.257543][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2043.257543][ T7704] ipv6_find_idev+0x102/0x170 [ 2043.257543][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.257543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.257543][ T7704] netlink_rcv_skb+0x130/0x360 [ 2043.257543][ T7704] netlink_unicast+0x449/0x710 [ 2043.257543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2043.257543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2043.257543][ T7704] ___sys_sendmsg+0xee/0x170 [ 2043.257543][ T7704] __sys_sendmsg+0xcd/0x170 [ 2043.257543][ T7704] do_syscall_64+0xc6/0x1e0 [ 2043.257543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.257543][ T7704] [ 2053.502967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2053.503491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2053.503491][ T7704] netdev_get_by_index+0x5e/0x80 [ 2053.503491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2053.503491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2053.503491][ T7704] ip6_route_add+0x1c/0x140 [ 2053.503491][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2053.503491][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2053.503491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.503491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.503491][ T7704] netlink_rcv_skb+0x130/0x360 [ 2053.503491][ T7704] netlink_unicast+0x449/0x710 [ 2053.503491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2053.503491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2053.503491][ T7704] ___sys_sendmsg+0xee/0x170 [ 2053.503491][ T7704] __sys_sendmsg+0xcd/0x170 [ 2053.503491][ T7704] do_syscall_64+0xc6/0x1e0 [ 2053.503491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.503491][ T7704] [ 2053.506129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2053.506129][ T7704] netdev_get_by_index+0x5e/0x80 [ 2053.506129][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2053.506129][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2053.506129][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2053.506129][ T7704] ipv6_add_addr+0x411/0x2000 [ 2053.506129][ T7704] inet6_addr_add+0x30e/0xa40 [ 2053.506129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.506129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.506129][ T7704] netlink_rcv_skb+0x130/0x360 [ 2053.506129][ T7704] netlink_unicast+0x449/0x710 [ 2053.506129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2053.506129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2053.506129][ T7704] ___sys_sendmsg+0xee/0x170 [ 2053.506129][ T7704] __sys_sendmsg+0xcd/0x170 [ 2053.506129][ T7704] do_syscall_64+0xc6/0x1e0 [ 2053.506129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.506129][ T7704] [ 2053.508715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2053.508715][ T7704] netdev_get_by_index+0x5e/0x80 [ 2053.508715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2053.508715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2053.508715][ T7704] ip6_route_add+0x1c/0x140 [ 2053.508715][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.508715][ T7704] addrconf_add_dev+0xe2/0x170 [ 2053.508715][ T7704] inet6_addr_add+0x12f/0xa40 [ 2053.508715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.508715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.508715][ T7704] netlink_rcv_skb+0x130/0x360 [ 2053.508715][ T7704] netlink_unicast+0x449/0x710 [ 2053.508715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2053.508715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2053.508715][ T7704] ___sys_sendmsg+0xee/0x170 [ 2053.508715][ T7704] __sys_sendmsg+0xcd/0x170 [ 2053.508715][ T7704] do_syscall_64+0xc6/0x1e0 [ 2053.508715][ T7704] [ 2053.511275][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2053.511275][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2053.511275][ T7704] ipv6_find_idev+0x102/0x170 [ 2053.511275][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.511275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.511275][ T7704] netlink_rcv_skb+0x130/0x360 [ 2053.511275][ T7704] netlink_unicast+0x449/0x710 [ 2053.511275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2053.511275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2053.511275][ T7704] ___sys_sendmsg+0xee/0x170 [ 2053.511275][ T7704] __sys_sendmsg+0xcd/0x170 [ 2053.511275][ T7704] do_syscall_64+0xc6/0x1e0 [ 2053.511275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.511275][ T7704] [ 2053.513356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2053.513356][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2053.513356][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2053.513356][ T7704] ipv6_find_idev+0x102/0x170 [ 2053.513356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.513356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.513356][ T7704] netlink_rcv_skb+0x130/0x360 [ 2053.513356][ T7704] netlink_unicast+0x449/0x710 [ 2053.513356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2053.513356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2053.513356][ T7704] ___sys_sendmsg+0xee/0x170 [ 2053.513356][ T7704] __sys_sendmsg+0xcd/0x170 [ 2053.513356][ T7704] do_syscall_64+0xc6/0x1e0 [ 2053.513356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.513356][ T7704] [ 2063.750913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2063.751449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2063.751449][ T7704] netdev_get_by_index+0x5e/0x80 [ 2063.751449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2063.751449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2063.751449][ T7704] ip6_route_add+0x1c/0x140 [ 2063.751449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2063.751449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2063.751449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.751449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.751449][ T7704] netlink_rcv_skb+0x130/0x360 [ 2063.751449][ T7704] netlink_unicast+0x449/0x710 [ 2063.751449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2063.751449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2063.751449][ T7704] ___sys_sendmsg+0xee/0x170 [ 2063.751449][ T7704] __sys_sendmsg+0xcd/0x170 [ 2063.751449][ T7704] do_syscall_64+0xc6/0x1e0 [ 2063.751449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.751449][ T7704] [ 2063.754371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2063.754371][ T7704] netdev_get_by_index+0x5e/0x80 [ 2063.754371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2063.754371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2063.754371][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2063.754371][ T7704] ipv6_add_addr+0x411/0x2000 [ 2063.754371][ T7704] inet6_addr_add+0x30e/0xa40 [ 2063.754371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.754371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.754371][ T7704] netlink_rcv_skb+0x130/0x360 [ 2063.754371][ T7704] netlink_unicast+0x449/0x710 [ 2063.754371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2063.754371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2063.754371][ T7704] ___sys_sendmsg+0xee/0x170 [ 2063.754371][ T7704] __sys_sendmsg+0xcd/0x170 [ 2063.754371][ T7704] do_syscall_64+0xc6/0x1e0 [ 2063.754371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.754371][ T7704] [ 2063.756863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2063.756863][ T7704] netdev_get_by_index+0x5e/0x80 [ 2063.756863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2063.756863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2063.756863][ T7704] ip6_route_add+0x1c/0x140 [ 2063.756863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2063.756863][ T7704] addrconf_add_dev+0xe2/0x170 [ 2063.756863][ T7704] inet6_addr_add+0x12f/0xa40 [ 2063.756863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.756863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.756863][ T7704] netlink_rcv_skb+0x130/0x360 [ 2063.756863][ T7704] netlink_unicast+0x449/0x710 [ 2063.756863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2063.756863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2063.756863][ T7704] ___sys_sendmsg+0xee/0x170 [ 2063.756863][ T7704] __sys_sendmsg+0xcd/0x170 [ 2063.756863][ T7704] do_syscall_64+0xc6/0x1e0 [ 2063.756863][ T7704] [ 2063.759115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2063.759115][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2063.759115][ T7704] ipv6_find_idev+0x102/0x170 [ 2063.759115][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.759115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.759115][ T7704] netlink_rcv_skb+0x130/0x360 [ 2063.759115][ T7704] netlink_unicast+0x449/0x710 [ 2063.759115][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2063.759115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2063.759115][ T7704] ___sys_sendmsg+0xee/0x170 [ 2063.759115][ T7704] __sys_sendmsg+0xcd/0x170 [ 2063.759115][ T7704] do_syscall_64+0xc6/0x1e0 [ 2063.759115][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.759115][ T7704] [ 2063.760952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2063.760952][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2063.760952][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2063.760952][ T7704] ipv6_find_idev+0x102/0x170 [ 2063.760952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.760952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.760952][ T7704] netlink_rcv_skb+0x130/0x360 [ 2063.760952][ T7704] netlink_unicast+0x449/0x710 [ 2063.760952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2063.760952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2063.760952][ T7704] ___sys_sendmsg+0xee/0x170 [ 2063.760952][ T7704] __sys_sendmsg+0xcd/0x170 [ 2063.760952][ T7704] do_syscall_64+0xc6/0x1e0 [ 2063.760952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.760952][ T7704] [ 2073.999002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2073.999565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2073.999565][ T7704] netdev_get_by_index+0x5e/0x80 [ 2073.999565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2073.999565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2073.999565][ T7704] ip6_route_add+0x1c/0x140 [ 2073.999565][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2073.999565][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2073.999565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.999565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.999565][ T7704] netlink_rcv_skb+0x130/0x360 [ 2073.999565][ T7704] netlink_unicast+0x449/0x710 [ 2073.999565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2073.999565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2073.999565][ T7704] ___sys_sendmsg+0xee/0x170 [ 2073.999565][ T7704] __sys_sendmsg+0xcd/0x170 [ 2073.999565][ T7704] do_syscall_64+0xc6/0x1e0 [ 2073.999565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.999565][ T7704] [ 2074.002064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2074.002064][ T7704] netdev_get_by_index+0x5e/0x80 [ 2074.002064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2074.002064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2074.002064][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2074.002064][ T7704] ipv6_add_addr+0x411/0x2000 [ 2074.002064][ T7704] inet6_addr_add+0x30e/0xa40 [ 2074.002064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.002064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.002064][ T7704] netlink_rcv_skb+0x130/0x360 [ 2074.002064][ T7704] netlink_unicast+0x449/0x710 [ 2074.002064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2074.002064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2074.002064][ T7704] ___sys_sendmsg+0xee/0x170 [ 2074.002064][ T7704] __sys_sendmsg+0xcd/0x170 [ 2074.002064][ T7704] do_syscall_64+0xc6/0x1e0 [ 2074.002064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.002064][ T7704] [ 2074.004533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2074.004533][ T7704] netdev_get_by_index+0x5e/0x80 [ 2074.004533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2074.004533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2074.004533][ T7704] ip6_route_add+0x1c/0x140 [ 2074.004533][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.004533][ T7704] addrconf_add_dev+0xe2/0x170 [ 2074.004533][ T7704] inet6_addr_add+0x12f/0xa40 [ 2074.004533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.004533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.004533][ T7704] netlink_rcv_skb+0x130/0x360 [ 2074.004533][ T7704] netlink_unicast+0x449/0x710 [ 2074.004533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2074.004533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2074.004533][ T7704] ___sys_sendmsg+0xee/0x170 [ 2074.004533][ T7704] __sys_sendmsg+0xcd/0x170 [ 2074.004533][ T7704] do_syscall_64+0xc6/0x1e0 [ 2074.004533][ T7704] [ 2074.006949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2074.006949][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2074.006949][ T7704] ipv6_find_idev+0x102/0x170 [ 2074.006949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.006949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.006949][ T7704] netlink_rcv_skb+0x130/0x360 [ 2074.006949][ T7704] netlink_unicast+0x449/0x710 [ 2074.006949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2074.006949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2074.006949][ T7704] ___sys_sendmsg+0xee/0x170 [ 2074.006949][ T7704] __sys_sendmsg+0xcd/0x170 [ 2074.006949][ T7704] do_syscall_64+0xc6/0x1e0 [ 2074.006949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.006949][ T7704] [ 2074.008860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2074.008860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2074.008860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2074.008860][ T7704] ipv6_find_idev+0x102/0x170 [ 2074.008860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.008860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.008860][ T7704] netlink_rcv_skb+0x130/0x360 [ 2074.008860][ T7704] netlink_unicast+0x449/0x710 [ 2074.008860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2074.008860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2074.008860][ T7704] ___sys_sendmsg+0xee/0x170 [ 2074.008860][ T7704] __sys_sendmsg+0xcd/0x170 [ 2074.008860][ T7704] do_syscall_64+0xc6/0x1e0 [ 2074.008860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.008860][ T7704] [ 2084.118962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2084.119571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2084.119571][ T7704] netdev_get_by_index+0x5e/0x80 [ 2084.119571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2084.119571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2084.119571][ T7704] ip6_route_add+0x1c/0x140 [ 2084.119571][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2084.119571][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2084.119571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.119571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.119571][ T7704] netlink_rcv_skb+0x130/0x360 [ 2084.119571][ T7704] netlink_unicast+0x449/0x710 [ 2084.119571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2084.119571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2084.119571][ T7704] ___sys_sendmsg+0xee/0x170 [ 2084.119571][ T7704] __sys_sendmsg+0xcd/0x170 [ 2084.119571][ T7704] do_syscall_64+0xc6/0x1e0 [ 2084.119571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.119571][ T7704] [ 2084.122075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2084.122075][ T7704] netdev_get_by_index+0x5e/0x80 [ 2084.122075][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2084.122075][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2084.122075][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2084.122075][ T7704] ipv6_add_addr+0x411/0x2000 [ 2084.122075][ T7704] inet6_addr_add+0x30e/0xa40 [ 2084.122075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.122075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.122075][ T7704] netlink_rcv_skb+0x130/0x360 [ 2084.122075][ T7704] netlink_unicast+0x449/0x710 [ 2084.122075][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2084.122075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2084.122075][ T7704] ___sys_sendmsg+0xee/0x170 [ 2084.122075][ T7704] __sys_sendmsg+0xcd/0x170 [ 2084.122075][ T7704] do_syscall_64+0xc6/0x1e0 [ 2084.122075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.122075][ T7704] [ 2084.124520][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2084.124520][ T7704] netdev_get_by_index+0x5e/0x80 [ 2084.124520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2084.124520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2084.124520][ T7704] ip6_route_add+0x1c/0x140 [ 2084.124520][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.124520][ T7704] addrconf_add_dev+0xe2/0x170 [ 2084.124520][ T7704] inet6_addr_add+0x12f/0xa40 [ 2084.124520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.124520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.124520][ T7704] netlink_rcv_skb+0x130/0x360 [ 2084.124520][ T7704] netlink_unicast+0x449/0x710 [ 2084.124520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2084.124520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2084.124520][ T7704] ___sys_sendmsg+0xee/0x170 [ 2084.124520][ T7704] __sys_sendmsg+0xcd/0x170 [ 2084.124520][ T7704] do_syscall_64+0xc6/0x1e0 [ 2084.124520][ T7704] [ 2084.126930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2084.126930][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2084.126930][ T7704] ipv6_find_idev+0x102/0x170 [ 2084.126930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.126930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.126930][ T7704] netlink_rcv_skb+0x130/0x360 [ 2084.126930][ T7704] netlink_unicast+0x449/0x710 [ 2084.126930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2084.126930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2084.126930][ T7704] ___sys_sendmsg+0xee/0x170 [ 2084.126930][ T7704] __sys_sendmsg+0xcd/0x170 [ 2084.126930][ T7704] do_syscall_64+0xc6/0x1e0 [ 2084.126930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.126930][ T7704] [ 2084.128819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2084.128819][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2084.128819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2084.128819][ T7704] ipv6_find_idev+0x102/0x170 [ 2084.128819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.128819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.128819][ T7704] netlink_rcv_skb+0x130/0x360 [ 2084.128819][ T7704] netlink_unicast+0x449/0x710 [ 2084.128819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2084.128819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2084.128819][ T7704] ___sys_sendmsg+0xee/0x170 [ 2084.128819][ T7704] __sys_sendmsg+0xcd/0x170 [ 2084.128819][ T7704] do_syscall_64+0xc6/0x1e0 [ 2084.128819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.128819][ T7704] [ 2094.383041][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2094.383618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2094.383618][ T7704] netdev_get_by_index+0x5e/0x80 [ 2094.383618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2094.383618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2094.383618][ T7704] ip6_route_add+0x1c/0x140 [ 2094.383618][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2094.383618][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2094.383618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.383618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.383618][ T7704] netlink_rcv_skb+0x130/0x360 [ 2094.383618][ T7704] netlink_unicast+0x449/0x710 [ 2094.383618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2094.383618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2094.383618][ T7704] ___sys_sendmsg+0xee/0x170 [ 2094.383618][ T7704] __sys_sendmsg+0xcd/0x170 [ 2094.383618][ T7704] do_syscall_64+0xc6/0x1e0 [ 2094.383618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.383618][ T7704] [ 2094.386215][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2094.386215][ T7704] netdev_get_by_index+0x5e/0x80 [ 2094.386215][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2094.386215][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2094.386215][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2094.386215][ T7704] ipv6_add_addr+0x411/0x2000 [ 2094.386215][ T7704] inet6_addr_add+0x30e/0xa40 [ 2094.386215][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.386215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.386215][ T7704] netlink_rcv_skb+0x130/0x360 [ 2094.386215][ T7704] netlink_unicast+0x449/0x710 [ 2094.386215][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2094.386215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2094.386215][ T7704] ___sys_sendmsg+0xee/0x170 [ 2094.386215][ T7704] __sys_sendmsg+0xcd/0x170 [ 2094.386215][ T7704] do_syscall_64+0xc6/0x1e0 [ 2094.386215][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.386215][ T7704] [ 2094.388745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2094.388745][ T7704] netdev_get_by_index+0x5e/0x80 [ 2094.388745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2094.388745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2094.388745][ T7704] ip6_route_add+0x1c/0x140 [ 2094.388745][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.388745][ T7704] addrconf_add_dev+0xe2/0x170 [ 2094.388745][ T7704] inet6_addr_add+0x12f/0xa40 [ 2094.388745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.388745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.388745][ T7704] netlink_rcv_skb+0x130/0x360 [ 2094.388745][ T7704] netlink_unicast+0x449/0x710 [ 2094.388745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2094.388745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2094.388745][ T7704] ___sys_sendmsg+0xee/0x170 [ 2094.388745][ T7704] __sys_sendmsg+0xcd/0x170 [ 2094.388745][ T7704] do_syscall_64+0xc6/0x1e0 [ 2094.388745][ T7704] [ 2094.391240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2094.391240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2094.391240][ T7704] ipv6_find_idev+0x102/0x170 [ 2094.391240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.391240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.391240][ T7704] netlink_rcv_skb+0x130/0x360 [ 2094.391240][ T7704] netlink_unicast+0x449/0x710 [ 2094.391240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2094.391240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2094.391240][ T7704] ___sys_sendmsg+0xee/0x170 [ 2094.391240][ T7704] __sys_sendmsg+0xcd/0x170 [ 2094.391240][ T7704] do_syscall_64+0xc6/0x1e0 [ 2094.391240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.391240][ T7704] [ 2094.393194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2094.393194][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2094.393194][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2094.393194][ T7704] ipv6_find_idev+0x102/0x170 [ 2094.393194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.393194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.393194][ T7704] netlink_rcv_skb+0x130/0x360 [ 2094.393194][ T7704] netlink_unicast+0x449/0x710 [ 2094.393194][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2094.393194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2094.393194][ T7704] ___sys_sendmsg+0xee/0x170 [ 2094.393194][ T7704] __sys_sendmsg+0xcd/0x170 [ 2094.393194][ T7704] do_syscall_64+0xc6/0x1e0 [ 2094.393194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.393194][ T7704] [ 2104.647026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2104.647627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2104.647627][ T7704] netdev_get_by_index+0x5e/0x80 [ 2104.647627][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2104.647627][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2104.647627][ T7704] ip6_route_add+0x1c/0x140 [ 2104.647627][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2104.647627][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2104.647627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.647627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.647627][ T7704] netlink_rcv_skb+0x130/0x360 [ 2104.647627][ T7704] netlink_unicast+0x449/0x710 [ 2104.647627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2104.647627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2104.647627][ T7704] ___sys_sendmsg+0xee/0x170 [ 2104.647627][ T7704] __sys_sendmsg+0xcd/0x170 [ 2104.647627][ T7704] do_syscall_64+0xc6/0x1e0 [ 2104.647627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.647627][ T7704] [ 2104.650231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2104.650231][ T7704] netdev_get_by_index+0x5e/0x80 [ 2104.650231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2104.650231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2104.650231][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2104.650231][ T7704] ipv6_add_addr+0x411/0x2000 [ 2104.650231][ T7704] inet6_addr_add+0x30e/0xa40 [ 2104.650231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.650231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.650231][ T7704] netlink_rcv_skb+0x130/0x360 [ 2104.650231][ T7704] netlink_unicast+0x449/0x710 [ 2104.650231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2104.650231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2104.650231][ T7704] ___sys_sendmsg+0xee/0x170 [ 2104.650231][ T7704] __sys_sendmsg+0xcd/0x170 [ 2104.650231][ T7704] do_syscall_64+0xc6/0x1e0 [ 2104.650231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.650231][ T7704] [ 2104.652983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2104.652983][ T7704] netdev_get_by_index+0x5e/0x80 [ 2104.652983][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2104.652983][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2104.652983][ T7704] ip6_route_add+0x1c/0x140 [ 2104.652983][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2104.652983][ T7704] addrconf_add_dev+0xe2/0x170 [ 2104.652983][ T7704] inet6_addr_add+0x12f/0xa40 [ 2104.652983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.652983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.652983][ T7704] netlink_rcv_skb+0x130/0x360 [ 2104.652983][ T7704] netlink_unicast+0x449/0x710 [ 2104.652983][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2104.652983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2104.652983][ T7704] ___sys_sendmsg+0xee/0x170 [ 2104.652983][ T7704] __sys_sendmsg+0xcd/0x170 [ 2104.652983][ T7704] do_syscall_64+0xc6/0x1e0 [ 2104.652983][ T7704] [ 2104.655598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2104.655598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2104.655598][ T7704] ipv6_find_idev+0x102/0x170 [ 2104.655598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.655598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.655598][ T7704] netlink_rcv_skb+0x130/0x360 [ 2104.655598][ T7704] netlink_unicast+0x449/0x710 [ 2104.655598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2104.655598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2104.655598][ T7704] ___sys_sendmsg+0xee/0x170 [ 2104.655598][ T7704] __sys_sendmsg+0xcd/0x170 [ 2104.655598][ T7704] do_syscall_64+0xc6/0x1e0 [ 2104.655598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.655598][ T7704] [ 2104.657635][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2104.657635][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2104.657635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2104.657635][ T7704] ipv6_find_idev+0x102/0x170 [ 2104.657635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.657635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.657635][ T7704] netlink_rcv_skb+0x130/0x360 [ 2104.657635][ T7704] netlink_unicast+0x449/0x710 [ 2104.657635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2104.657635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2104.657635][ T7704] ___sys_sendmsg+0xee/0x170 [ 2104.657635][ T7704] __sys_sendmsg+0xcd/0x170 [ 2104.657635][ T7704] do_syscall_64+0xc6/0x1e0 [ 2104.657635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.657635][ T7704] [ 2114.838973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2114.839453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2114.839453][ T7704] netdev_get_by_index+0x5e/0x80 [ 2114.839453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2114.839453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2114.839453][ T7704] ip6_route_add+0x1c/0x140 [ 2114.839453][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2114.839453][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2114.839453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.839453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.839453][ T7704] netlink_rcv_skb+0x130/0x360 [ 2114.839453][ T7704] netlink_unicast+0x449/0x710 [ 2114.839453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2114.839453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2114.839453][ T7704] ___sys_sendmsg+0xee/0x170 [ 2114.839453][ T7704] __sys_sendmsg+0xcd/0x170 [ 2114.839453][ T7704] do_syscall_64+0xc6/0x1e0 [ 2114.839453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.839453][ T7704] [ 2114.841749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2114.841749][ T7704] netdev_get_by_index+0x5e/0x80 [ 2114.841749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2114.841749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2114.841749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2114.841749][ T7704] ipv6_add_addr+0x411/0x2000 [ 2114.841749][ T7704] inet6_addr_add+0x30e/0xa40 [ 2114.841749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.841749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.841749][ T7704] netlink_rcv_skb+0x130/0x360 [ 2114.841749][ T7704] netlink_unicast+0x449/0x710 [ 2114.841749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2114.841749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2114.841749][ T7704] ___sys_sendmsg+0xee/0x170 [ 2114.841749][ T7704] __sys_sendmsg+0xcd/0x170 [ 2114.841749][ T7704] do_syscall_64+0xc6/0x1e0 [ 2114.841749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.841749][ T7704] [ 2114.844027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2114.844027][ T7704] netdev_get_by_index+0x5e/0x80 [ 2114.844027][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2114.844027][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2114.844027][ T7704] ip6_route_add+0x1c/0x140 [ 2114.844027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.844027][ T7704] addrconf_add_dev+0xe2/0x170 [ 2114.844027][ T7704] inet6_addr_add+0x12f/0xa40 [ 2114.844027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.844027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.844027][ T7704] netlink_rcv_skb+0x130/0x360 [ 2114.844027][ T7704] netlink_unicast+0x449/0x710 [ 2114.844027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2114.844027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2114.844027][ T7704] ___sys_sendmsg+0xee/0x170 [ 2114.844027][ T7704] __sys_sendmsg+0xcd/0x170 [ 2114.844027][ T7704] do_syscall_64+0xc6/0x1e0 [ 2114.844027][ T7704] [ 2114.846264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2114.846264][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2114.846264][ T7704] ipv6_find_idev+0x102/0x170 [ 2114.846264][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.846264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.846264][ T7704] netlink_rcv_skb+0x130/0x360 [ 2114.846264][ T7704] netlink_unicast+0x449/0x710 [ 2114.846264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2114.846264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2114.846264][ T7704] ___sys_sendmsg+0xee/0x170 [ 2114.846264][ T7704] __sys_sendmsg+0xcd/0x170 [ 2114.846264][ T7704] do_syscall_64+0xc6/0x1e0 [ 2114.846264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.846264][ T7704] [ 2114.848021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2114.848021][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2114.848021][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2114.848021][ T7704] ipv6_find_idev+0x102/0x170 [ 2114.848021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.848021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.848021][ T7704] netlink_rcv_skb+0x130/0x360 [ 2114.848021][ T7704] netlink_unicast+0x449/0x710 [ 2114.848021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2114.848021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2114.848021][ T7704] ___sys_sendmsg+0xee/0x170 [ 2114.848021][ T7704] __sys_sendmsg+0xcd/0x170 [ 2114.848021][ T7704] do_syscall_64+0xc6/0x1e0 [ 2114.848021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.848021][ T7704] [ 2125.055008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2125.055602][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2125.055602][ T7704] netdev_get_by_index+0x5e/0x80 [ 2125.055602][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2125.055602][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2125.055602][ T7704] ip6_route_add+0x1c/0x140 [ 2125.055602][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2125.055602][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2125.055602][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.055602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.055602][ T7704] netlink_rcv_skb+0x130/0x360 [ 2125.055602][ T7704] netlink_unicast+0x449/0x710 [ 2125.055602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2125.055602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2125.055602][ T7704] ___sys_sendmsg+0xee/0x170 [ 2125.055602][ T7704] __sys_sendmsg+0xcd/0x170 [ 2125.055602][ T7704] do_syscall_64+0xc6/0x1e0 [ 2125.055602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.055602][ T7704] [ 2125.057941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2125.057941][ T7704] netdev_get_by_index+0x5e/0x80 [ 2125.057941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2125.057941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2125.057941][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2125.057941][ T7704] ipv6_add_addr+0x411/0x2000 [ 2125.057941][ T7704] inet6_addr_add+0x30e/0xa40 [ 2125.057941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.057941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.057941][ T7704] netlink_rcv_skb+0x130/0x360 [ 2125.057941][ T7704] netlink_unicast+0x449/0x710 [ 2125.057941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2125.057941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2125.057941][ T7704] ___sys_sendmsg+0xee/0x170 [ 2125.057941][ T7704] __sys_sendmsg+0xcd/0x170 [ 2125.057941][ T7704] do_syscall_64+0xc6/0x1e0 [ 2125.057941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.057941][ T7704] [ 2125.060234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2125.060234][ T7704] netdev_get_by_index+0x5e/0x80 [ 2125.060234][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2125.060234][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2125.060234][ T7704] ip6_route_add+0x1c/0x140 [ 2125.060234][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.060234][ T7704] addrconf_add_dev+0xe2/0x170 [ 2125.060234][ T7704] inet6_addr_add+0x12f/0xa40 [ 2125.060234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.060234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.060234][ T7704] netlink_rcv_skb+0x130/0x360 [ 2125.060234][ T7704] netlink_unicast+0x449/0x710 [ 2125.060234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2125.060234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2125.060234][ T7704] ___sys_sendmsg+0xee/0x170 [ 2125.060234][ T7704] __sys_sendmsg+0xcd/0x170 [ 2125.060234][ T7704] do_syscall_64+0xc6/0x1e0 [ 2125.060234][ T7704] [ 2125.062456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2125.062456][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2125.062456][ T7704] ipv6_find_idev+0x102/0x170 [ 2125.062456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.062456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.062456][ T7704] netlink_rcv_skb+0x130/0x360 [ 2125.062456][ T7704] netlink_unicast+0x449/0x710 [ 2125.062456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2125.062456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2125.062456][ T7704] ___sys_sendmsg+0xee/0x170 [ 2125.062456][ T7704] __sys_sendmsg+0xcd/0x170 [ 2125.062456][ T7704] do_syscall_64+0xc6/0x1e0 [ 2125.062456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.062456][ T7704] [ 2125.064200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2125.064200][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2125.064200][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2125.064200][ T7704] ipv6_find_idev+0x102/0x170 [ 2125.064200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.064200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.064200][ T7704] netlink_rcv_skb+0x130/0x360 [ 2125.064200][ T7704] netlink_unicast+0x449/0x710 [ 2125.064200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2125.064200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2125.064200][ T7704] ___sys_sendmsg+0xee/0x170 [ 2125.064200][ T7704] __sys_sendmsg+0xcd/0x170 [ 2125.064200][ T7704] do_syscall_64+0xc6/0x1e0 [ 2125.064200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.064200][ T7704] [ 2135.150963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2135.151526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2135.151526][ T7704] netdev_get_by_index+0x5e/0x80 [ 2135.151526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2135.151526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2135.151526][ T7704] ip6_route_add+0x1c/0x140 [ 2135.151526][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2135.151526][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2135.151526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.151526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.151526][ T7704] netlink_rcv_skb+0x130/0x360 [ 2135.151526][ T7704] netlink_unicast+0x449/0x710 [ 2135.151526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2135.151526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2135.151526][ T7704] ___sys_sendmsg+0xee/0x170 [ 2135.151526][ T7704] __sys_sendmsg+0xcd/0x170 [ 2135.151526][ T7704] do_syscall_64+0xc6/0x1e0 [ 2135.151526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.151526][ T7704] [ 2135.153819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2135.153819][ T7704] netdev_get_by_index+0x5e/0x80 [ 2135.153819][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2135.153819][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2135.153819][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2135.153819][ T7704] ipv6_add_addr+0x411/0x2000 [ 2135.153819][ T7704] inet6_addr_add+0x30e/0xa40 [ 2135.153819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.153819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.153819][ T7704] netlink_rcv_skb+0x130/0x360 [ 2135.153819][ T7704] netlink_unicast+0x449/0x710 [ 2135.153819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2135.153819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2135.153819][ T7704] ___sys_sendmsg+0xee/0x170 [ 2135.153819][ T7704] __sys_sendmsg+0xcd/0x170 [ 2135.153819][ T7704] do_syscall_64+0xc6/0x1e0 [ 2135.153819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.153819][ T7704] [ 2135.156996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2135.156996][ T7704] netdev_get_by_index+0x5e/0x80 [ 2135.156996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2135.156996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2135.156996][ T7704] ip6_route_add+0x1c/0x140 [ 2135.156996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.156996][ T7704] addrconf_add_dev+0xe2/0x170 [ 2135.156996][ T7704] inet6_addr_add+0x12f/0xa40 [ 2135.156996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.156996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.156996][ T7704] netlink_rcv_skb+0x130/0x360 [ 2135.156996][ T7704] netlink_unicast+0x449/0x710 [ 2135.156996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2135.156996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2135.156996][ T7704] ___sys_sendmsg+0xee/0x170 [ 2135.156996][ T7704] __sys_sendmsg+0xcd/0x170 [ 2135.156996][ T7704] do_syscall_64+0xc6/0x1e0 [ 2135.156996][ T7704] [ 2135.159204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2135.159204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2135.159204][ T7704] ipv6_find_idev+0x102/0x170 [ 2135.159204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.159204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.159204][ T7704] netlink_rcv_skb+0x130/0x360 [ 2135.159204][ T7704] netlink_unicast+0x449/0x710 [ 2135.159204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2135.159204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2135.159204][ T7704] ___sys_sendmsg+0xee/0x170 [ 2135.159204][ T7704] __sys_sendmsg+0xcd/0x170 [ 2135.159204][ T7704] do_syscall_64+0xc6/0x1e0 [ 2135.159204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.159204][ T7704] [ 2135.160941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2135.160941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2135.160941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2135.160941][ T7704] ipv6_find_idev+0x102/0x170 [ 2135.160941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.160941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.160941][ T7704] netlink_rcv_skb+0x130/0x360 [ 2135.160941][ T7704] netlink_unicast+0x449/0x710 [ 2135.160941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2135.160941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2135.160941][ T7704] ___sys_sendmsg+0xee/0x170 [ 2135.160941][ T7704] __sys_sendmsg+0xcd/0x170 [ 2135.160941][ T7704] do_syscall_64+0xc6/0x1e0 [ 2135.160941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.160941][ T7704] [ 2145.263005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2145.263487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2145.263487][ T7704] netdev_get_by_index+0x5e/0x80 [ 2145.263487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2145.263487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2145.263487][ T7704] ip6_route_add+0x1c/0x140 [ 2145.263487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2145.263487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2145.263487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.263487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.263487][ T7704] netlink_rcv_skb+0x130/0x360 [ 2145.263487][ T7704] netlink_unicast+0x449/0x710 [ 2145.263487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2145.263487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2145.263487][ T7704] ___sys_sendmsg+0xee/0x170 [ 2145.263487][ T7704] __sys_sendmsg+0xcd/0x170 [ 2145.263487][ T7704] do_syscall_64+0xc6/0x1e0 [ 2145.263487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.263487][ T7704] [ 2145.265762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2145.265762][ T7704] netdev_get_by_index+0x5e/0x80 [ 2145.265762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2145.265762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2145.265762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2145.265762][ T7704] ipv6_add_addr+0x411/0x2000 [ 2145.265762][ T7704] inet6_addr_add+0x30e/0xa40 [ 2145.265762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.265762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.265762][ T7704] netlink_rcv_skb+0x130/0x360 [ 2145.265762][ T7704] netlink_unicast+0x449/0x710 [ 2145.265762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2145.265762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2145.265762][ T7704] ___sys_sendmsg+0xee/0x170 [ 2145.265762][ T7704] __sys_sendmsg+0xcd/0x170 [ 2145.265762][ T7704] do_syscall_64+0xc6/0x1e0 [ 2145.265762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.265762][ T7704] [ 2145.268009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2145.268009][ T7704] netdev_get_by_index+0x5e/0x80 [ 2145.268009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2145.268009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2145.268009][ T7704] ip6_route_add+0x1c/0x140 [ 2145.268009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.268009][ T7704] addrconf_add_dev+0xe2/0x170 [ 2145.268009][ T7704] inet6_addr_add+0x12f/0xa40 [ 2145.268009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.268009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.268009][ T7704] netlink_rcv_skb+0x130/0x360 [ 2145.268009][ T7704] netlink_unicast+0x449/0x710 [ 2145.268009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2145.268009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2145.268009][ T7704] ___sys_sendmsg+0xee/0x170 [ 2145.268009][ T7704] __sys_sendmsg+0xcd/0x170 [ 2145.268009][ T7704] do_syscall_64+0xc6/0x1e0 [ 2145.268009][ T7704] [ 2145.270232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2145.270232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2145.270232][ T7704] ipv6_find_idev+0x102/0x170 [ 2145.270232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.270232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.270232][ T7704] netlink_rcv_skb+0x130/0x360 [ 2145.270232][ T7704] netlink_unicast+0x449/0x710 [ 2145.270232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2145.270232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2145.270232][ T7704] ___sys_sendmsg+0xee/0x170 [ 2145.270232][ T7704] __sys_sendmsg+0xcd/0x170 [ 2145.270232][ T7704] do_syscall_64+0xc6/0x1e0 [ 2145.270232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.270232][ T7704] [ 2145.271948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2145.271948][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2145.271948][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2145.271948][ T7704] ipv6_find_idev+0x102/0x170 [ 2145.271948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.271948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.271948][ T7704] netlink_rcv_skb+0x130/0x360 [ 2145.271948][ T7704] netlink_unicast+0x449/0x710 [ 2145.271948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2145.271948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2145.271948][ T7704] ___sys_sendmsg+0xee/0x170 [ 2145.271948][ T7704] __sys_sendmsg+0xcd/0x170 [ 2145.271948][ T7704] do_syscall_64+0xc6/0x1e0 [ 2145.271948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.271948][ T7704] [ 2155.406942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2155.407474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2155.407474][ T7704] netdev_get_by_index+0x5e/0x80 [ 2155.407474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2155.407474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2155.407474][ T7704] ip6_route_add+0x1c/0x140 [ 2155.407474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2155.407474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2155.407474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.407474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.407474][ T7704] netlink_rcv_skb+0x130/0x360 [ 2155.407474][ T7704] netlink_unicast+0x449/0x710 [ 2155.407474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2155.407474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2155.407474][ T7704] ___sys_sendmsg+0xee/0x170 [ 2155.407474][ T7704] __sys_sendmsg+0xcd/0x170 [ 2155.407474][ T7704] do_syscall_64+0xc6/0x1e0 [ 2155.407474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.407474][ T7704] [ 2155.410522][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2155.410522][ T7704] netdev_get_by_index+0x5e/0x80 [ 2155.410522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2155.410522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2155.410522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2155.410522][ T7704] ipv6_add_addr+0x411/0x2000 [ 2155.410522][ T7704] inet6_addr_add+0x30e/0xa40 [ 2155.410522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.410522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.410522][ T7704] netlink_rcv_skb+0x130/0x360 [ 2155.410522][ T7704] netlink_unicast+0x449/0x710 [ 2155.410522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2155.410522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2155.410522][ T7704] ___sys_sendmsg+0xee/0x170 [ 2155.410522][ T7704] __sys_sendmsg+0xcd/0x170 [ 2155.410522][ T7704] do_syscall_64+0xc6/0x1e0 [ 2155.410522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.410522][ T7704] [ 2155.414712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2155.414712][ T7704] netdev_get_by_index+0x5e/0x80 [ 2155.414712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2155.414712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2155.414712][ T7704] ip6_route_add+0x1c/0x140 [ 2155.414712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.414712][ T7704] addrconf_add_dev+0xe2/0x170 [ 2155.414712][ T7704] inet6_addr_add+0x12f/0xa40 [ 2155.414712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.414712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.414712][ T7704] netlink_rcv_skb+0x130/0x360 [ 2155.414712][ T7704] netlink_unicast+0x449/0x710 [ 2155.414712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2155.414712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2155.414712][ T7704] ___sys_sendmsg+0xee/0x170 [ 2155.414712][ T7704] __sys_sendmsg+0xcd/0x170 [ 2155.414712][ T7704] do_syscall_64+0xc6/0x1e0 [ 2155.414712][ T7704] [ 2155.418885][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2155.418885][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2155.418885][ T7704] ipv6_find_idev+0x102/0x170 [ 2155.418885][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.418885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.418885][ T7704] netlink_rcv_skb+0x130/0x360 [ 2155.418885][ T7704] netlink_unicast+0x449/0x710 [ 2155.418885][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2155.418885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2155.418885][ T7704] ___sys_sendmsg+0xee/0x170 [ 2155.418885][ T7704] __sys_sendmsg+0xcd/0x170 [ 2155.418885][ T7704] do_syscall_64+0xc6/0x1e0 [ 2155.418885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.418885][ T7704] [ 2155.422192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2155.422192][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2155.422192][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2155.422192][ T7704] ipv6_find_idev+0x102/0x170 [ 2155.422192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.422192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.422192][ T7704] netlink_rcv_skb+0x130/0x360 [ 2155.422192][ T7704] netlink_unicast+0x449/0x710 [ 2155.422192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2155.422192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2155.422192][ T7704] ___sys_sendmsg+0xee/0x170 [ 2155.422192][ T7704] __sys_sendmsg+0xcd/0x170 [ 2155.422192][ T7704] do_syscall_64+0xc6/0x1e0 [ 2155.422192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.422192][ T7704] [ 2165.654975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2165.655496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2165.655496][ T7704] netdev_get_by_index+0x5e/0x80 [ 2165.655496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2165.655496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2165.655496][ T7704] ip6_route_add+0x1c/0x140 [ 2165.655496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2165.655496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2165.655496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.655496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.655496][ T7704] netlink_rcv_skb+0x130/0x360 [ 2165.655496][ T7704] netlink_unicast+0x449/0x710 [ 2165.655496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2165.655496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2165.655496][ T7704] ___sys_sendmsg+0xee/0x170 [ 2165.655496][ T7704] __sys_sendmsg+0xcd/0x170 [ 2165.655496][ T7704] do_syscall_64+0xc6/0x1e0 [ 2165.655496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.655496][ T7704] [ 2165.657767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2165.657767][ T7704] netdev_get_by_index+0x5e/0x80 [ 2165.657767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2165.657767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2165.657767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2165.657767][ T7704] ipv6_add_addr+0x411/0x2000 [ 2165.657767][ T7704] inet6_addr_add+0x30e/0xa40 [ 2165.657767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.657767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.657767][ T7704] netlink_rcv_skb+0x130/0x360 [ 2165.657767][ T7704] netlink_unicast+0x449/0x710 [ 2165.657767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2165.657767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2165.657767][ T7704] ___sys_sendmsg+0xee/0x170 [ 2165.657767][ T7704] __sys_sendmsg+0xcd/0x170 [ 2165.657767][ T7704] do_syscall_64+0xc6/0x1e0 [ 2165.657767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.657767][ T7704] [ 2165.660000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2165.660000][ T7704] netdev_get_by_index+0x5e/0x80 [ 2165.660000][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2165.660000][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2165.660000][ T7704] ip6_route_add+0x1c/0x140 [ 2165.660000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.660000][ T7704] addrconf_add_dev+0xe2/0x170 [ 2165.660000][ T7704] inet6_addr_add+0x12f/0xa40 [ 2165.660000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.660000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.660000][ T7704] netlink_rcv_skb+0x130/0x360 [ 2165.660000][ T7704] netlink_unicast+0x449/0x710 [ 2165.660000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2165.660000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2165.660000][ T7704] ___sys_sendmsg+0xee/0x170 [ 2165.660000][ T7704] __sys_sendmsg+0xcd/0x170 [ 2165.660000][ T7704] do_syscall_64+0xc6/0x1e0 [ 2165.660000][ T7704] [ 2165.662186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2165.662186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2165.662186][ T7704] ipv6_find_idev+0x102/0x170 [ 2165.662186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.662186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.662186][ T7704] netlink_rcv_skb+0x130/0x360 [ 2165.662186][ T7704] netlink_unicast+0x449/0x710 [ 2165.662186][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2165.662186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2165.662186][ T7704] ___sys_sendmsg+0xee/0x170 [ 2165.662186][ T7704] __sys_sendmsg+0xcd/0x170 [ 2165.662186][ T7704] do_syscall_64+0xc6/0x1e0 [ 2165.662186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.662186][ T7704] [ 2165.663897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2165.663897][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2165.663897][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2165.663897][ T7704] ipv6_find_idev+0x102/0x170 [ 2165.663897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.663897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.663897][ T7704] netlink_rcv_skb+0x130/0x360 [ 2165.663897][ T7704] netlink_unicast+0x449/0x710 [ 2165.663897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2165.663897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2165.663897][ T7704] ___sys_sendmsg+0xee/0x170 [ 2165.663897][ T7704] __sys_sendmsg+0xcd/0x170 [ 2165.663897][ T7704] do_syscall_64+0xc6/0x1e0 [ 2165.663897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.663897][ T7704] [ 2175.902968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2175.903482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2175.903482][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.903482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.903482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.903482][ T7704] ip6_route_add+0x1c/0x140 [ 2175.903482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2175.903482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2175.903482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.903482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.903482][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.903482][ T7704] netlink_unicast+0x449/0x710 [ 2175.903482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.903482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.903482][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.903482][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.903482][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.903482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.903482][ T7704] [ 2175.905785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2175.905785][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.905785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.905785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.905785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2175.905785][ T7704] ipv6_add_addr+0x411/0x2000 [ 2175.905785][ T7704] inet6_addr_add+0x30e/0xa40 [ 2175.905785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.905785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.905785][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.905785][ T7704] netlink_unicast+0x449/0x710 [ 2175.905785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.905785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.905785][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.905785][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.905785][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.905785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.905785][ T7704] [ 2175.908012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2175.908012][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.908012][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.908012][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.908012][ T7704] ip6_route_add+0x1c/0x140 [ 2175.908012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.908012][ T7704] addrconf_add_dev+0xe2/0x170 [ 2175.908012][ T7704] inet6_addr_add+0x12f/0xa40 [ 2175.908012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.908012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.908012][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.908012][ T7704] netlink_unicast+0x449/0x710 [ 2175.908012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.908012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.908012][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.908012][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.908012][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.908012][ T7704] [ 2175.910203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2175.910203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2175.910203][ T7704] ipv6_find_idev+0x102/0x170 [ 2175.910203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.910203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.910203][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.910203][ T7704] netlink_unicast+0x449/0x710 [ 2175.910203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.910203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.910203][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.910203][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.910203][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.910203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.910203][ T7704] [ 2175.911918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2175.911918][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2175.911918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2175.911918][ T7704] ipv6_find_idev+0x102/0x170 [ 2175.911918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.911918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.911918][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.911918][ T7704] netlink_unicast+0x449/0x710 [ 2175.911918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.911918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.911918][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.911918][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.911918][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.911918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.911918][ T7704] [ 2186.150945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2186.151389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2186.151389][ T7704] netdev_get_by_index+0x5e/0x80 [ 2186.151389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2186.151389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2186.151389][ T7704] ip6_route_add+0x1c/0x140 [ 2186.151389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2186.151389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2186.151389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.151389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.151389][ T7704] netlink_rcv_skb+0x130/0x360 [ 2186.151389][ T7704] netlink_unicast+0x449/0x710 [ 2186.151389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2186.151389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2186.151389][ T7704] ___sys_sendmsg+0xee/0x170 [ 2186.151389][ T7704] __sys_sendmsg+0xcd/0x170 [ 2186.151389][ T7704] do_syscall_64+0xc6/0x1e0 [ 2186.151389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.151389][ T7704] [ 2186.153637][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2186.153637][ T7704] netdev_get_by_index+0x5e/0x80 [ 2186.153637][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2186.153637][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2186.153637][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2186.153637][ T7704] ipv6_add_addr+0x411/0x2000 [ 2186.153637][ T7704] inet6_addr_add+0x30e/0xa40 [ 2186.153637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.153637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.153637][ T7704] netlink_rcv_skb+0x130/0x360 [ 2186.153637][ T7704] netlink_unicast+0x449/0x710 [ 2186.153637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2186.153637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2186.153637][ T7704] ___sys_sendmsg+0xee/0x170 [ 2186.153637][ T7704] __sys_sendmsg+0xcd/0x170 [ 2186.153637][ T7704] do_syscall_64+0xc6/0x1e0 [ 2186.153637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.153637][ T7704] [ 2186.155909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2186.155909][ T7704] netdev_get_by_index+0x5e/0x80 [ 2186.155909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2186.155909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2186.155909][ T7704] ip6_route_add+0x1c/0x140 [ 2186.155909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.155909][ T7704] addrconf_add_dev+0xe2/0x170 [ 2186.155909][ T7704] inet6_addr_add+0x12f/0xa40 [ 2186.155909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.155909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.155909][ T7704] netlink_rcv_skb+0x130/0x360 [ 2186.155909][ T7704] netlink_unicast+0x449/0x710 [ 2186.155909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2186.155909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2186.155909][ T7704] ___sys_sendmsg+0xee/0x170 [ 2186.155909][ T7704] __sys_sendmsg+0xcd/0x170 [ 2186.155909][ T7704] do_syscall_64+0xc6/0x1e0 [ 2186.155909][ T7704] [ 2186.158110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2186.158110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2186.158110][ T7704] ipv6_find_idev+0x102/0x170 [ 2186.158110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.158110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.158110][ T7704] netlink_rcv_skb+0x130/0x360 [ 2186.158110][ T7704] netlink_unicast+0x449/0x710 [ 2186.158110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2186.158110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2186.158110][ T7704] ___sys_sendmsg+0xee/0x170 [ 2186.158110][ T7704] __sys_sendmsg+0xcd/0x170 [ 2186.158110][ T7704] do_syscall_64+0xc6/0x1e0 [ 2186.158110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.158110][ T7704] [ 2186.159836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2186.159836][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2186.159836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2186.159836][ T7704] ipv6_find_idev+0x102/0x170 [ 2186.159836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.159836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.159836][ T7704] netlink_rcv_skb+0x130/0x360 [ 2186.159836][ T7704] netlink_unicast+0x449/0x710 [ 2186.159836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2186.159836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2186.159836][ T7704] ___sys_sendmsg+0xee/0x170 [ 2186.159836][ T7704] __sys_sendmsg+0xcd/0x170 [ 2186.159836][ T7704] do_syscall_64+0xc6/0x1e0 [ 2186.159836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.159836][ T7704] [ 2196.399028][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2196.399639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2196.399639][ T7704] netdev_get_by_index+0x5e/0x80 [ 2196.399639][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2196.399639][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2196.399639][ T7704] ip6_route_add+0x1c/0x140 [ 2196.399639][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2196.399639][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2196.399639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.399639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.399639][ T7704] netlink_rcv_skb+0x130/0x360 [ 2196.399639][ T7704] netlink_unicast+0x449/0x710 [ 2196.399639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2196.399639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2196.399639][ T7704] ___sys_sendmsg+0xee/0x170 [ 2196.399639][ T7704] __sys_sendmsg+0xcd/0x170 [ 2196.399639][ T7704] do_syscall_64+0xc6/0x1e0 [ 2196.399639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.399639][ T7704] [ 2196.401959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2196.401959][ T7704] netdev_get_by_index+0x5e/0x80 [ 2196.401959][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2196.401959][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2196.401959][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2196.401959][ T7704] ipv6_add_addr+0x411/0x2000 [ 2196.401959][ T7704] inet6_addr_add+0x30e/0xa40 [ 2196.401959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.401959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.401959][ T7704] netlink_rcv_skb+0x130/0x360 [ 2196.401959][ T7704] netlink_unicast+0x449/0x710 [ 2196.401959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2196.401959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2196.401959][ T7704] ___sys_sendmsg+0xee/0x170 [ 2196.401959][ T7704] __sys_sendmsg+0xcd/0x170 [ 2196.401959][ T7704] do_syscall_64+0xc6/0x1e0 [ 2196.401959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.401959][ T7704] [ 2196.404297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2196.404297][ T7704] netdev_get_by_index+0x5e/0x80 [ 2196.404297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2196.404297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2196.404297][ T7704] ip6_route_add+0x1c/0x140 [ 2196.404297][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.404297][ T7704] addrconf_add_dev+0xe2/0x170 [ 2196.404297][ T7704] inet6_addr_add+0x12f/0xa40 [ 2196.404297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.404297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.404297][ T7704] netlink_rcv_skb+0x130/0x360 [ 2196.404297][ T7704] netlink_unicast+0x449/0x710 [ 2196.404297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2196.404297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2196.404297][ T7704] ___sys_sendmsg+0xee/0x170 [ 2196.404297][ T7704] __sys_sendmsg+0xcd/0x170 [ 2196.404297][ T7704] do_syscall_64+0xc6/0x1e0 [ 2196.404297][ T7704] [ 2196.406517][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2196.406517][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2196.406517][ T7704] ipv6_find_idev+0x102/0x170 [ 2196.406517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.406517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.406517][ T7704] netlink_rcv_skb+0x130/0x360 [ 2196.406517][ T7704] netlink_unicast+0x449/0x710 [ 2196.406517][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2196.406517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2196.406517][ T7704] ___sys_sendmsg+0xee/0x170 [ 2196.406517][ T7704] __sys_sendmsg+0xcd/0x170 [ 2196.406517][ T7704] do_syscall_64+0xc6/0x1e0 [ 2196.406517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.406517][ T7704] [ 2196.408268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2196.408268][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2196.408268][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2196.408268][ T7704] ipv6_find_idev+0x102/0x170 [ 2196.408268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.408268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.408268][ T7704] netlink_rcv_skb+0x130/0x360 [ 2196.408268][ T7704] netlink_unicast+0x449/0x710 [ 2196.408268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2196.408268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2196.408268][ T7704] ___sys_sendmsg+0xee/0x170 [ 2196.408268][ T7704] __sys_sendmsg+0xcd/0x170 [ 2196.408268][ T7704] do_syscall_64+0xc6/0x1e0 [ 2196.408268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.408268][ T7704] [ 2206.686972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2206.687535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2206.687535][ T7704] netdev_get_by_index+0x5e/0x80 [ 2206.687535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2206.687535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2206.687535][ T7704] ip6_route_add+0x1c/0x140 [ 2206.687535][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2206.687535][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2206.687535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.687535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.687535][ T7704] netlink_rcv_skb+0x130/0x360 [ 2206.687535][ T7704] netlink_unicast+0x449/0x710 [ 2206.687535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2206.687535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2206.687535][ T7704] ___sys_sendmsg+0xee/0x170 [ 2206.687535][ T7704] __sys_sendmsg+0xcd/0x170 [ 2206.687535][ T7704] do_syscall_64+0xc6/0x1e0 [ 2206.687535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.687535][ T7704] [ 2206.689905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2206.689905][ T7704] netdev_get_by_index+0x5e/0x80 [ 2206.689905][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2206.689905][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2206.689905][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2206.689905][ T7704] ipv6_add_addr+0x411/0x2000 [ 2206.689905][ T7704] inet6_addr_add+0x30e/0xa40 [ 2206.689905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.689905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.689905][ T7704] netlink_rcv_skb+0x130/0x360 [ 2206.689905][ T7704] netlink_unicast+0x449/0x710 [ 2206.689905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2206.689905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2206.689905][ T7704] ___sys_sendmsg+0xee/0x170 [ 2206.689905][ T7704] __sys_sendmsg+0xcd/0x170 [ 2206.689905][ T7704] do_syscall_64+0xc6/0x1e0 [ 2206.689905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.689905][ T7704] [ 2206.692207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2206.692207][ T7704] netdev_get_by_index+0x5e/0x80 [ 2206.692207][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2206.692207][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2206.692207][ T7704] ip6_route_add+0x1c/0x140 [ 2206.692207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.692207][ T7704] addrconf_add_dev+0xe2/0x170 [ 2206.692207][ T7704] inet6_addr_add+0x12f/0xa40 [ 2206.692207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.692207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.692207][ T7704] netlink_rcv_skb+0x130/0x360 [ 2206.692207][ T7704] netlink_unicast+0x449/0x710 [ 2206.692207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2206.692207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2206.692207][ T7704] ___sys_sendmsg+0xee/0x170 [ 2206.692207][ T7704] __sys_sendmsg+0xcd/0x170 [ 2206.692207][ T7704] do_syscall_64+0xc6/0x1e0 [ 2206.692207][ T7704] [ 2206.694441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2206.694441][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2206.694441][ T7704] ipv6_find_idev+0x102/0x170 [ 2206.694441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.694441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.694441][ T7704] netlink_rcv_skb+0x130/0x360 [ 2206.694441][ T7704] netlink_unicast+0x449/0x710 [ 2206.694441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2206.694441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2206.694441][ T7704] ___sys_sendmsg+0xee/0x170 [ 2206.694441][ T7704] __sys_sendmsg+0xcd/0x170 [ 2206.694441][ T7704] do_syscall_64+0xc6/0x1e0 [ 2206.694441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.694441][ T7704] [ 2206.696186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2206.696186][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2206.696186][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2206.696186][ T7704] ipv6_find_idev+0x102/0x170 [ 2206.696186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.696186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.696186][ T7704] netlink_rcv_skb+0x130/0x360 [ 2206.696186][ T7704] netlink_unicast+0x449/0x710 [ 2206.696186][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2206.696186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2206.696186][ T7704] ___sys_sendmsg+0xee/0x170 [ 2206.696186][ T7704] __sys_sendmsg+0xcd/0x170 [ 2206.696186][ T7704] do_syscall_64+0xc6/0x1e0 [ 2206.696186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.696186][ T7704] [ 2216.934932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2216.935480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2216.935480][ T7704] netdev_get_by_index+0x5e/0x80 [ 2216.935480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2216.935480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2216.935480][ T7704] ip6_route_add+0x1c/0x140 [ 2216.935480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2216.935480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2216.935480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.935480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.935480][ T7704] netlink_rcv_skb+0x130/0x360 [ 2216.935480][ T7704] netlink_unicast+0x449/0x710 [ 2216.935480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2216.935480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2216.935480][ T7704] ___sys_sendmsg+0xee/0x170 [ 2216.935480][ T7704] __sys_sendmsg+0xcd/0x170 [ 2216.935480][ T7704] do_syscall_64+0xc6/0x1e0 [ 2216.935480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.935480][ T7704] [ 2216.937772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2216.937772][ T7704] netdev_get_by_index+0x5e/0x80 [ 2216.937772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2216.937772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2216.937772][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2216.937772][ T7704] ipv6_add_addr+0x411/0x2000 [ 2216.937772][ T7704] inet6_addr_add+0x30e/0xa40 [ 2216.937772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.937772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.937772][ T7704] netlink_rcv_skb+0x130/0x360 [ 2216.937772][ T7704] netlink_unicast+0x449/0x710 [ 2216.937772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2216.937772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2216.937772][ T7704] ___sys_sendmsg+0xee/0x170 [ 2216.937772][ T7704] __sys_sendmsg+0xcd/0x170 [ 2216.937772][ T7704] do_syscall_64+0xc6/0x1e0 [ 2216.937772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.937772][ T7704] [ 2216.940172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2216.940172][ T7704] netdev_get_by_index+0x5e/0x80 [ 2216.940172][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2216.940172][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2216.940172][ T7704] ip6_route_add+0x1c/0x140 [ 2216.940172][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.940172][ T7704] addrconf_add_dev+0xe2/0x170 [ 2216.940172][ T7704] inet6_addr_add+0x12f/0xa40 [ 2216.940172][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.940172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.940172][ T7704] netlink_rcv_skb+0x130/0x360 [ 2216.940172][ T7704] netlink_unicast+0x449/0x710 [ 2216.940172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2216.940172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2216.940172][ T7704] ___sys_sendmsg+0xee/0x170 [ 2216.940172][ T7704] __sys_sendmsg+0xcd/0x170 [ 2216.940172][ T7704] do_syscall_64+0xc6/0x1e0 [ 2216.940172][ T7704] [ 2216.942380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2216.942380][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2216.942380][ T7704] ipv6_find_idev+0x102/0x170 [ 2216.942380][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.942380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.942380][ T7704] netlink_rcv_skb+0x130/0x360 [ 2216.942380][ T7704] netlink_unicast+0x449/0x710 [ 2216.942380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2216.942380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2216.942380][ T7704] ___sys_sendmsg+0xee/0x170 [ 2216.942380][ T7704] __sys_sendmsg+0xcd/0x170 [ 2216.942380][ T7704] do_syscall_64+0xc6/0x1e0 [ 2216.942380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.942380][ T7704] [ 2216.944109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2216.944109][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2216.944109][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2216.944109][ T7704] ipv6_find_idev+0x102/0x170 [ 2216.944109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.944109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.944109][ T7704] netlink_rcv_skb+0x130/0x360 [ 2216.944109][ T7704] netlink_unicast+0x449/0x710 [ 2216.944109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2216.944109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2216.944109][ T7704] ___sys_sendmsg+0xee/0x170 [ 2216.944109][ T7704] __sys_sendmsg+0xcd/0x170 [ 2216.944109][ T7704] do_syscall_64+0xc6/0x1e0 [ 2216.944109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.944109][ T7704] [ 2227.094947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2227.095396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2227.095396][ T7704] netdev_get_by_index+0x5e/0x80 [ 2227.095396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2227.095396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2227.095396][ T7704] ip6_route_add+0x1c/0x140 [ 2227.095396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2227.095396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2227.095396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.095396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.095396][ T7704] netlink_rcv_skb+0x130/0x360 [ 2227.095396][ T7704] netlink_unicast+0x449/0x710 [ 2227.095396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2227.095396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2227.095396][ T7704] ___sys_sendmsg+0xee/0x170 [ 2227.095396][ T7704] __sys_sendmsg+0xcd/0x170 [ 2227.095396][ T7704] do_syscall_64+0xc6/0x1e0 [ 2227.095396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.095396][ T7704] [ 2227.097655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2227.097655][ T7704] netdev_get_by_index+0x5e/0x80 [ 2227.097655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2227.097655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2227.097655][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2227.097655][ T7704] ipv6_add_addr+0x411/0x2000 [ 2227.097655][ T7704] inet6_addr_add+0x30e/0xa40 [ 2227.097655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.097655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.097655][ T7704] netlink_rcv_skb+0x130/0x360 [ 2227.097655][ T7704] netlink_unicast+0x449/0x710 [ 2227.097655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2227.097655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2227.097655][ T7704] ___sys_sendmsg+0xee/0x170 [ 2227.097655][ T7704] __sys_sendmsg+0xcd/0x170 [ 2227.097655][ T7704] do_syscall_64+0xc6/0x1e0 [ 2227.097655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.097655][ T7704] [ 2227.099894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2227.099894][ T7704] netdev_get_by_index+0x5e/0x80 [ 2227.099894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2227.099894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2227.099894][ T7704] ip6_route_add+0x1c/0x140 [ 2227.099894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.099894][ T7704] addrconf_add_dev+0xe2/0x170 [ 2227.099894][ T7704] inet6_addr_add+0x12f/0xa40 [ 2227.099894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.099894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.099894][ T7704] netlink_rcv_skb+0x130/0x360 [ 2227.099894][ T7704] netlink_unicast+0x449/0x710 [ 2227.099894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2227.099894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2227.099894][ T7704] ___sys_sendmsg+0xee/0x170 [ 2227.099894][ T7704] __sys_sendmsg+0xcd/0x170 [ 2227.099894][ T7704] do_syscall_64+0xc6/0x1e0 [ 2227.099894][ T7704] [ 2227.102077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2227.102077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2227.102077][ T7704] ipv6_find_idev+0x102/0x170 [ 2227.102077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.102077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.102077][ T7704] netlink_rcv_skb+0x130/0x360 [ 2227.102077][ T7704] netlink_unicast+0x449/0x710 [ 2227.102077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2227.102077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2227.102077][ T7704] ___sys_sendmsg+0xee/0x170 [ 2227.102077][ T7704] __sys_sendmsg+0xcd/0x170 [ 2227.102077][ T7704] do_syscall_64+0xc6/0x1e0 [ 2227.102077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.102077][ T7704] [ 2227.103779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2227.103779][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2227.103779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2227.103779][ T7704] ipv6_find_idev+0x102/0x170 [ 2227.103779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.103779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.103779][ T7704] netlink_rcv_skb+0x130/0x360 [ 2227.103779][ T7704] netlink_unicast+0x449/0x710 [ 2227.103779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2227.103779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2227.103779][ T7704] ___sys_sendmsg+0xee/0x170 [ 2227.103779][ T7704] __sys_sendmsg+0xcd/0x170 [ 2227.103779][ T7704] do_syscall_64+0xc6/0x1e0 [ 2227.103779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.103779][ T7704] [ 2237.342884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2237.343658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2237.343658][ T7704] netdev_get_by_index+0x5e/0x80 [ 2237.343658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2237.343658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2237.343658][ T7704] ip6_route_add+0x1c/0x140 [ 2237.343658][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2237.343658][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2237.343658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.343658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.343658][ T7704] netlink_rcv_skb+0x130/0x360 [ 2237.343658][ T7704] netlink_unicast+0x449/0x710 [ 2237.343658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2237.343658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2237.343658][ T7704] ___sys_sendmsg+0xee/0x170 [ 2237.343658][ T7704] __sys_sendmsg+0xcd/0x170 [ 2237.343658][ T7704] do_syscall_64+0xc6/0x1e0 [ 2237.343658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.343658][ T7704] [ 2237.345932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2237.345932][ T7704] netdev_get_by_index+0x5e/0x80 [ 2237.345932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2237.345932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2237.345932][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2237.345932][ T7704] ipv6_add_addr+0x411/0x2000 [ 2237.345932][ T7704] inet6_addr_add+0x30e/0xa40 [ 2237.345932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.345932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.345932][ T7704] netlink_rcv_skb+0x130/0x360 [ 2237.345932][ T7704] netlink_unicast+0x449/0x710 [ 2237.345932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2237.345932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2237.345932][ T7704] ___sys_sendmsg+0xee/0x170 [ 2237.345932][ T7704] __sys_sendmsg+0xcd/0x170 [ 2237.345932][ T7704] do_syscall_64+0xc6/0x1e0 [ 2237.345932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.345932][ T7704] [ 2237.348201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2237.348201][ T7704] netdev_get_by_index+0x5e/0x80 [ 2237.348201][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2237.348201][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2237.348201][ T7704] ip6_route_add+0x1c/0x140 [ 2237.348201][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.348201][ T7704] addrconf_add_dev+0xe2/0x170 [ 2237.348201][ T7704] inet6_addr_add+0x12f/0xa40 [ 2237.348201][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.348201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.348201][ T7704] netlink_rcv_skb+0x130/0x360 [ 2237.348201][ T7704] netlink_unicast+0x449/0x710 [ 2237.348201][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2237.348201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2237.348201][ T7704] ___sys_sendmsg+0xee/0x170 [ 2237.348201][ T7704] __sys_sendmsg+0xcd/0x170 [ 2237.348201][ T7704] do_syscall_64+0xc6/0x1e0 [ 2237.348201][ T7704] [ 2237.350405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2237.350405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2237.350405][ T7704] ipv6_find_idev+0x102/0x170 [ 2237.350405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.350405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.350405][ T7704] netlink_rcv_skb+0x130/0x360 [ 2237.350405][ T7704] netlink_unicast+0x449/0x710 [ 2237.350405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2237.350405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2237.350405][ T7704] ___sys_sendmsg+0xee/0x170 [ 2237.350405][ T7704] __sys_sendmsg+0xcd/0x170 [ 2237.350405][ T7704] do_syscall_64+0xc6/0x1e0 [ 2237.350405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.350405][ T7704] [ 2237.352166][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2237.352166][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2237.352166][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2237.352166][ T7704] ipv6_find_idev+0x102/0x170 [ 2237.352166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.352166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.352166][ T7704] netlink_rcv_skb+0x130/0x360 [ 2237.352166][ T7704] netlink_unicast+0x449/0x710 [ 2237.352166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2237.352166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2237.352166][ T7704] ___sys_sendmsg+0xee/0x170 [ 2237.352166][ T7704] __sys_sendmsg+0xcd/0x170 [ 2237.352166][ T7704] do_syscall_64+0xc6/0x1e0 [ 2237.352166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.352166][ T7704] [ 2247.590984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2247.591444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2247.591444][ T7704] netdev_get_by_index+0x5e/0x80 [ 2247.591444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2247.591444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2247.591444][ T7704] ip6_route_add+0x1c/0x140 [ 2247.591444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2247.591444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2247.591444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.591444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.591444][ T7704] netlink_rcv_skb+0x130/0x360 [ 2247.591444][ T7704] netlink_unicast+0x449/0x710 [ 2247.591444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2247.591444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2247.591444][ T7704] ___sys_sendmsg+0xee/0x170 [ 2247.591444][ T7704] __sys_sendmsg+0xcd/0x170 [ 2247.591444][ T7704] do_syscall_64+0xc6/0x1e0 [ 2247.591444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.591444][ T7704] [ 2247.594241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2247.594241][ T7704] netdev_get_by_index+0x5e/0x80 [ 2247.594241][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2247.594241][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2247.594241][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2247.594241][ T7704] ipv6_add_addr+0x411/0x2000 [ 2247.594241][ T7704] inet6_addr_add+0x30e/0xa40 [ 2247.594241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.594241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.594241][ T7704] netlink_rcv_skb+0x130/0x360 [ 2247.594241][ T7704] netlink_unicast+0x449/0x710 [ 2247.594241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2247.594241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2247.594241][ T7704] ___sys_sendmsg+0xee/0x170 [ 2247.594241][ T7704] __sys_sendmsg+0xcd/0x170 [ 2247.594241][ T7704] do_syscall_64+0xc6/0x1e0 [ 2247.594241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.594241][ T7704] [ 2247.596479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2247.596479][ T7704] netdev_get_by_index+0x5e/0x80 [ 2247.596479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2247.596479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2247.596479][ T7704] ip6_route_add+0x1c/0x140 [ 2247.596479][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.596479][ T7704] addrconf_add_dev+0xe2/0x170 [ 2247.596479][ T7704] inet6_addr_add+0x12f/0xa40 [ 2247.596479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.596479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.596479][ T7704] netlink_rcv_skb+0x130/0x360 [ 2247.596479][ T7704] netlink_unicast+0x449/0x710 [ 2247.596479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2247.596479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2247.596479][ T7704] ___sys_sendmsg+0xee/0x170 [ 2247.596479][ T7704] __sys_sendmsg+0xcd/0x170 [ 2247.596479][ T7704] do_syscall_64+0xc6/0x1e0 [ 2247.596479][ T7704] [ 2247.598705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2247.598705][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2247.598705][ T7704] ipv6_find_idev+0x102/0x170 [ 2247.598705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.598705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.598705][ T7704] netlink_rcv_skb+0x130/0x360 [ 2247.598705][ T7704] netlink_unicast+0x449/0x710 [ 2247.598705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2247.598705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2247.598705][ T7704] ___sys_sendmsg+0xee/0x170 [ 2247.598705][ T7704] __sys_sendmsg+0xcd/0x170 [ 2247.598705][ T7704] do_syscall_64+0xc6/0x1e0 [ 2247.598705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.598705][ T7704] [ 2247.600437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2247.600437][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2247.600437][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2247.600437][ T7704] ipv6_find_idev+0x102/0x170 [ 2247.600437][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.600437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.600437][ T7704] netlink_rcv_skb+0x130/0x360 [ 2247.600437][ T7704] netlink_unicast+0x449/0x710 [ 2247.600437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2247.600437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2247.600437][ T7704] ___sys_sendmsg+0xee/0x170 [ 2247.600437][ T7704] __sys_sendmsg+0xcd/0x170 [ 2247.600437][ T7704] do_syscall_64+0xc6/0x1e0 [ 2247.600437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.600437][ T7704] [ 2257.838988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2257.839451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2257.839451][ T7704] netdev_get_by_index+0x5e/0x80 [ 2257.839451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2257.839451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2257.839451][ T7704] ip6_route_add+0x1c/0x140 [ 2257.839451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2257.839451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2257.839451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.839451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.839451][ T7704] netlink_rcv_skb+0x130/0x360 [ 2257.839451][ T7704] netlink_unicast+0x449/0x710 [ 2257.839451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2257.839451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2257.839451][ T7704] ___sys_sendmsg+0xee/0x170 [ 2257.839451][ T7704] __sys_sendmsg+0xcd/0x170 [ 2257.839451][ T7704] do_syscall_64+0xc6/0x1e0 [ 2257.839451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.839451][ T7704] [ 2257.841701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2257.841701][ T7704] netdev_get_by_index+0x5e/0x80 [ 2257.841701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2257.841701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2257.841701][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2257.841701][ T7704] ipv6_add_addr+0x411/0x2000 [ 2257.841701][ T7704] inet6_addr_add+0x30e/0xa40 [ 2257.841701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.841701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.841701][ T7704] netlink_rcv_skb+0x130/0x360 [ 2257.841701][ T7704] netlink_unicast+0x449/0x710 [ 2257.841701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2257.841701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2257.841701][ T7704] ___sys_sendmsg+0xee/0x170 [ 2257.841701][ T7704] __sys_sendmsg+0xcd/0x170 [ 2257.841701][ T7704] do_syscall_64+0xc6/0x1e0 [ 2257.841701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.841701][ T7704] [ 2257.844344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2257.844344][ T7704] netdev_get_by_index+0x5e/0x80 [ 2257.844344][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2257.844344][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2257.844344][ T7704] ip6_route_add+0x1c/0x140 [ 2257.844344][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.844344][ T7704] addrconf_add_dev+0xe2/0x170 [ 2257.844344][ T7704] inet6_addr_add+0x12f/0xa40 [ 2257.844344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.844344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.844344][ T7704] netlink_rcv_skb+0x130/0x360 [ 2257.844344][ T7704] netlink_unicast+0x449/0x710 [ 2257.844344][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2257.844344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2257.844344][ T7704] ___sys_sendmsg+0xee/0x170 [ 2257.844344][ T7704] __sys_sendmsg+0xcd/0x170 [ 2257.844344][ T7704] do_syscall_64+0xc6/0x1e0 [ 2257.844344][ T7704] [ 2257.846547][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2257.846547][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2257.846547][ T7704] ipv6_find_idev+0x102/0x170 [ 2257.846547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.846547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.846547][ T7704] netlink_rcv_skb+0x130/0x360 [ 2257.846547][ T7704] netlink_unicast+0x449/0x710 [ 2257.846547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2257.846547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2257.846547][ T7704] ___sys_sendmsg+0xee/0x170 [ 2257.846547][ T7704] __sys_sendmsg+0xcd/0x170 [ 2257.846547][ T7704] do_syscall_64+0xc6/0x1e0 [ 2257.846547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.846547][ T7704] [ 2257.848305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2257.848305][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2257.848305][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2257.848305][ T7704] ipv6_find_idev+0x102/0x170 [ 2257.848305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.848305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.848305][ T7704] netlink_rcv_skb+0x130/0x360 [ 2257.848305][ T7704] netlink_unicast+0x449/0x710 [ 2257.848305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2257.848305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2257.848305][ T7704] ___sys_sendmsg+0xee/0x170 [ 2257.848305][ T7704] __sys_sendmsg+0xcd/0x170 [ 2257.848305][ T7704] do_syscall_64+0xc6/0x1e0 [ 2257.848305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.848305][ T7704] [ 2267.862948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2267.863483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2267.863483][ T7704] netdev_get_by_index+0x5e/0x80 [ 2267.863483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2267.863483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2267.863483][ T7704] ip6_route_add+0x1c/0x140 [ 2267.863483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2267.863483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2267.863483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.863483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.863483][ T7704] netlink_rcv_skb+0x130/0x360 [ 2267.863483][ T7704] netlink_unicast+0x449/0x710 [ 2267.863483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2267.863483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2267.863483][ T7704] ___sys_sendmsg+0xee/0x170 [ 2267.863483][ T7704] __sys_sendmsg+0xcd/0x170 [ 2267.863483][ T7704] do_syscall_64+0xc6/0x1e0 [ 2267.863483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.863483][ T7704] [ 2267.865760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2267.865760][ T7704] netdev_get_by_index+0x5e/0x80 [ 2267.865760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2267.865760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2267.865760][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2267.865760][ T7704] ipv6_add_addr+0x411/0x2000 [ 2267.865760][ T7704] inet6_addr_add+0x30e/0xa40 [ 2267.865760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.865760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.865760][ T7704] netlink_rcv_skb+0x130/0x360 [ 2267.865760][ T7704] netlink_unicast+0x449/0x710 [ 2267.865760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2267.865760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2267.865760][ T7704] ___sys_sendmsg+0xee/0x170 [ 2267.865760][ T7704] __sys_sendmsg+0xcd/0x170 [ 2267.865760][ T7704] do_syscall_64+0xc6/0x1e0 [ 2267.865760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.865760][ T7704] [ 2267.868017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2267.868017][ T7704] netdev_get_by_index+0x5e/0x80 [ 2267.868017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2267.868017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2267.868017][ T7704] ip6_route_add+0x1c/0x140 [ 2267.868017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.868017][ T7704] addrconf_add_dev+0xe2/0x170 [ 2267.868017][ T7704] inet6_addr_add+0x12f/0xa40 [ 2267.868017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.868017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.868017][ T7704] netlink_rcv_skb+0x130/0x360 [ 2267.868017][ T7704] netlink_unicast+0x449/0x710 [ 2267.868017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2267.868017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2267.868017][ T7704] ___sys_sendmsg+0xee/0x170 [ 2267.868017][ T7704] __sys_sendmsg+0xcd/0x170 [ 2267.868017][ T7704] do_syscall_64+0xc6/0x1e0 [ 2267.868017][ T7704] [ 2267.870224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2267.870224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2267.870224][ T7704] ipv6_find_idev+0x102/0x170 [ 2267.870224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.870224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.870224][ T7704] netlink_rcv_skb+0x130/0x360 [ 2267.870224][ T7704] netlink_unicast+0x449/0x710 [ 2267.870224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2267.870224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2267.870224][ T7704] ___sys_sendmsg+0xee/0x170 [ 2267.870224][ T7704] __sys_sendmsg+0xcd/0x170 [ 2267.870224][ T7704] do_syscall_64+0xc6/0x1e0 [ 2267.870224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.870224][ T7704] [ 2267.871939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2267.871939][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2267.871939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2267.871939][ T7704] ipv6_find_idev+0x102/0x170 [ 2267.871939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.871939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.871939][ T7704] netlink_rcv_skb+0x130/0x360 [ 2267.871939][ T7704] netlink_unicast+0x449/0x710 [ 2267.871939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2267.871939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2267.871939][ T7704] ___sys_sendmsg+0xee/0x170 [ 2267.871939][ T7704] __sys_sendmsg+0xcd/0x170 [ 2267.871939][ T7704] do_syscall_64+0xc6/0x1e0 [ 2267.871939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.871939][ T7704] [ 2278.110925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2278.111386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2278.111386][ T7704] netdev_get_by_index+0x5e/0x80 [ 2278.111386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2278.111386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2278.111386][ T7704] ip6_route_add+0x1c/0x140 [ 2278.111386][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2278.111386][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2278.111386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.111386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.111386][ T7704] netlink_rcv_skb+0x130/0x360 [ 2278.111386][ T7704] netlink_unicast+0x449/0x710 [ 2278.111386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2278.111386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2278.111386][ T7704] ___sys_sendmsg+0xee/0x170 [ 2278.111386][ T7704] __sys_sendmsg+0xcd/0x170 [ 2278.111386][ T7704] do_syscall_64+0xc6/0x1e0 [ 2278.111386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.111386][ T7704] [ 2278.113683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2278.113683][ T7704] netdev_get_by_index+0x5e/0x80 [ 2278.113683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2278.113683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2278.113683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2278.113683][ T7704] ipv6_add_addr+0x411/0x2000 [ 2278.113683][ T7704] inet6_addr_add+0x30e/0xa40 [ 2278.113683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.113683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.113683][ T7704] netlink_rcv_skb+0x130/0x360 [ 2278.113683][ T7704] netlink_unicast+0x449/0x710 [ 2278.113683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2278.113683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2278.113683][ T7704] ___sys_sendmsg+0xee/0x170 [ 2278.113683][ T7704] __sys_sendmsg+0xcd/0x170 [ 2278.113683][ T7704] do_syscall_64+0xc6/0x1e0 [ 2278.113683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.113683][ T7704] [ 2278.115949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2278.115949][ T7704] netdev_get_by_index+0x5e/0x80 [ 2278.115949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2278.115949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2278.115949][ T7704] ip6_route_add+0x1c/0x140 [ 2278.115949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.115949][ T7704] addrconf_add_dev+0xe2/0x170 [ 2278.115949][ T7704] inet6_addr_add+0x12f/0xa40 [ 2278.115949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.115949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.115949][ T7704] netlink_rcv_skb+0x130/0x360 [ 2278.115949][ T7704] netlink_unicast+0x449/0x710 [ 2278.115949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2278.115949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2278.115949][ T7704] ___sys_sendmsg+0xee/0x170 [ 2278.115949][ T7704] __sys_sendmsg+0xcd/0x170 [ 2278.115949][ T7704] do_syscall_64+0xc6/0x1e0 [ 2278.115949][ T7704] [ 2278.118165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2278.118165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2278.118165][ T7704] ipv6_find_idev+0x102/0x170 [ 2278.118165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.118165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.118165][ T7704] netlink_rcv_skb+0x130/0x360 [ 2278.118165][ T7704] netlink_unicast+0x449/0x710 [ 2278.118165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2278.118165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2278.118165][ T7704] ___sys_sendmsg+0xee/0x170 [ 2278.118165][ T7704] __sys_sendmsg+0xcd/0x170 [ 2278.118165][ T7704] do_syscall_64+0xc6/0x1e0 [ 2278.118165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.118165][ T7704] [ 2278.119913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2278.119913][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2278.119913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2278.119913][ T7704] ipv6_find_idev+0x102/0x170 [ 2278.119913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.119913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.119913][ T7704] netlink_rcv_skb+0x130/0x360 [ 2278.119913][ T7704] netlink_unicast+0x449/0x710 [ 2278.119913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2278.119913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2278.119913][ T7704] ___sys_sendmsg+0xee/0x170 [ 2278.119913][ T7704] __sys_sendmsg+0xcd/0x170 [ 2278.119913][ T7704] do_syscall_64+0xc6/0x1e0 [ 2278.119913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.119913][ T7704] [ 2288.358903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2288.359383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2288.359383][ T7704] netdev_get_by_index+0x5e/0x80 [ 2288.359383][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2288.359383][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2288.359383][ T7704] ip6_route_add+0x1c/0x140 [ 2288.359383][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2288.359383][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2288.359383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.359383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.359383][ T7704] netlink_rcv_skb+0x130/0x360 [ 2288.359383][ T7704] netlink_unicast+0x449/0x710 [ 2288.359383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2288.359383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2288.359383][ T7704] ___sys_sendmsg+0xee/0x170 [ 2288.359383][ T7704] __sys_sendmsg+0xcd/0x170 [ 2288.359383][ T7704] do_syscall_64+0xc6/0x1e0 [ 2288.359383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.359383][ T7704] [ 2288.361672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2288.361672][ T7704] netdev_get_by_index+0x5e/0x80 [ 2288.361672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2288.361672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2288.361672][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2288.361672][ T7704] ipv6_add_addr+0x411/0x2000 [ 2288.361672][ T7704] inet6_addr_add+0x30e/0xa40 [ 2288.361672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.361672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.361672][ T7704] netlink_rcv_skb+0x130/0x360 [ 2288.361672][ T7704] netlink_unicast+0x449/0x710 [ 2288.361672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2288.361672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2288.361672][ T7704] ___sys_sendmsg+0xee/0x170 [ 2288.361672][ T7704] __sys_sendmsg+0xcd/0x170 [ 2288.361672][ T7704] do_syscall_64+0xc6/0x1e0 [ 2288.361672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.361672][ T7704] [ 2288.363989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2288.363989][ T7704] netdev_get_by_index+0x5e/0x80 [ 2288.363989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2288.363989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2288.363989][ T7704] ip6_route_add+0x1c/0x140 [ 2288.363989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.363989][ T7704] addrconf_add_dev+0xe2/0x170 [ 2288.363989][ T7704] inet6_addr_add+0x12f/0xa40 [ 2288.363989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.363989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.363989][ T7704] netlink_rcv_skb+0x130/0x360 [ 2288.363989][ T7704] netlink_unicast+0x449/0x710 [ 2288.363989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2288.363989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2288.363989][ T7704] ___sys_sendmsg+0xee/0x170 [ 2288.363989][ T7704] __sys_sendmsg+0xcd/0x170 [ 2288.363989][ T7704] do_syscall_64+0xc6/0x1e0 [ 2288.363989][ T7704] [ 2288.366287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2288.366287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2288.366287][ T7704] ipv6_find_idev+0x102/0x170 [ 2288.366287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.366287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.366287][ T7704] netlink_rcv_skb+0x130/0x360 [ 2288.366287][ T7704] netlink_unicast+0x449/0x710 [ 2288.366287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2288.366287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2288.366287][ T7704] ___sys_sendmsg+0xee/0x170 [ 2288.366287][ T7704] __sys_sendmsg+0xcd/0x170 [ 2288.366287][ T7704] do_syscall_64+0xc6/0x1e0 [ 2288.366287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.366287][ T7704] [ 2288.368067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2288.368067][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2288.368067][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2288.368067][ T7704] ipv6_find_idev+0x102/0x170 [ 2288.368067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.368067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.368067][ T7704] netlink_rcv_skb+0x130/0x360 [ 2288.368067][ T7704] netlink_unicast+0x449/0x710 [ 2288.368067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2288.368067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2288.368067][ T7704] ___sys_sendmsg+0xee/0x170 [ 2288.368067][ T7704] __sys_sendmsg+0xcd/0x170 [ 2288.368067][ T7704] do_syscall_64+0xc6/0x1e0 [ 2288.368067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.368067][ T7704] [ 2298.494921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2298.495382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2298.495382][ T7704] netdev_get_by_index+0x5e/0x80 [ 2298.495382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2298.495382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2298.495382][ T7704] ip6_route_add+0x1c/0x140 [ 2298.495382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2298.495382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2298.495382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.495382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.495382][ T7704] netlink_rcv_skb+0x130/0x360 [ 2298.495382][ T7704] netlink_unicast+0x449/0x710 [ 2298.495382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2298.495382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2298.495382][ T7704] ___sys_sendmsg+0xee/0x170 [ 2298.495382][ T7704] __sys_sendmsg+0xcd/0x170 [ 2298.495382][ T7704] do_syscall_64+0xc6/0x1e0 [ 2298.495382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.495382][ T7704] [ 2298.497675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2298.497675][ T7704] netdev_get_by_index+0x5e/0x80 [ 2298.497675][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2298.497675][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2298.497675][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2298.497675][ T7704] ipv6_add_addr+0x411/0x2000 [ 2298.497675][ T7704] inet6_addr_add+0x30e/0xa40 [ 2298.497675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.497675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.497675][ T7704] netlink_rcv_skb+0x130/0x360 [ 2298.497675][ T7704] netlink_unicast+0x449/0x710 [ 2298.497675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2298.497675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2298.497675][ T7704] ___sys_sendmsg+0xee/0x170 [ 2298.497675][ T7704] __sys_sendmsg+0xcd/0x170 [ 2298.497675][ T7704] do_syscall_64+0xc6/0x1e0 [ 2298.497675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.497675][ T7704] [ 2298.499921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2298.499921][ T7704] netdev_get_by_index+0x5e/0x80 [ 2298.499921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2298.499921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2298.499921][ T7704] ip6_route_add+0x1c/0x140 [ 2298.499921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.499921][ T7704] addrconf_add_dev+0xe2/0x170 [ 2298.499921][ T7704] inet6_addr_add+0x12f/0xa40 [ 2298.499921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.499921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.499921][ T7704] netlink_rcv_skb+0x130/0x360 [ 2298.499921][ T7704] netlink_unicast+0x449/0x710 [ 2298.499921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2298.499921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2298.499921][ T7704] ___sys_sendmsg+0xee/0x170 [ 2298.499921][ T7704] __sys_sendmsg+0xcd/0x170 [ 2298.499921][ T7704] do_syscall_64+0xc6/0x1e0 [ 2298.499921][ T7704] [ 2298.502133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2298.502133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2298.502133][ T7704] ipv6_find_idev+0x102/0x170 [ 2298.502133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.502133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.502133][ T7704] netlink_rcv_skb+0x130/0x360 [ 2298.502133][ T7704] netlink_unicast+0x449/0x710 [ 2298.502133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2298.502133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2298.502133][ T7704] ___sys_sendmsg+0xee/0x170 [ 2298.502133][ T7704] __sys_sendmsg+0xcd/0x170 [ 2298.502133][ T7704] do_syscall_64+0xc6/0x1e0 [ 2298.502133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.502133][ T7704] [ 2298.504707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2298.504707][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2298.504707][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2298.504707][ T7704] ipv6_find_idev+0x102/0x170 [ 2298.504707][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.504707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.504707][ T7704] netlink_rcv_skb+0x130/0x360 [ 2298.504707][ T7704] netlink_unicast+0x449/0x710 [ 2298.504707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2298.504707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2298.504707][ T7704] ___sys_sendmsg+0xee/0x170 [ 2298.504707][ T7704] __sys_sendmsg+0xcd/0x170 [ 2298.504707][ T7704] do_syscall_64+0xc6/0x1e0 [ 2298.504707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.504707][ T7704] [ 2308.590993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2308.591452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2308.591452][ T7704] netdev_get_by_index+0x5e/0x80 [ 2308.591452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2308.591452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2308.591452][ T7704] ip6_route_add+0x1c/0x140 [ 2308.591452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2308.591452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2308.591452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.591452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.591452][ T7704] netlink_rcv_skb+0x130/0x360 [ 2308.591452][ T7704] netlink_unicast+0x449/0x710 [ 2308.591452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2308.591452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2308.591452][ T7704] ___sys_sendmsg+0xee/0x170 [ 2308.591452][ T7704] __sys_sendmsg+0xcd/0x170 [ 2308.591452][ T7704] do_syscall_64+0xc6/0x1e0 [ 2308.591452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.591452][ T7704] [ 2308.593697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2308.593697][ T7704] netdev_get_by_index+0x5e/0x80 [ 2308.593697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2308.593697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2308.593697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2308.593697][ T7704] ipv6_add_addr+0x411/0x2000 [ 2308.593697][ T7704] inet6_addr_add+0x30e/0xa40 [ 2308.593697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.593697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.593697][ T7704] netlink_rcv_skb+0x130/0x360 [ 2308.593697][ T7704] netlink_unicast+0x449/0x710 [ 2308.593697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2308.593697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2308.593697][ T7704] ___sys_sendmsg+0xee/0x170 [ 2308.593697][ T7704] __sys_sendmsg+0xcd/0x170 [ 2308.593697][ T7704] do_syscall_64+0xc6/0x1e0 [ 2308.593697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.593697][ T7704] [ 2308.595972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2308.595972][ T7704] netdev_get_by_index+0x5e/0x80 [ 2308.595972][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2308.595972][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2308.595972][ T7704] ip6_route_add+0x1c/0x140 [ 2308.595972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2308.595972][ T7704] addrconf_add_dev+0xe2/0x170 [ 2308.595972][ T7704] inet6_addr_add+0x12f/0xa40 [ 2308.595972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.595972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.595972][ T7704] netlink_rcv_skb+0x130/0x360 [ 2308.595972][ T7704] netlink_unicast+0x449/0x710 [ 2308.595972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2308.595972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2308.595972][ T7704] ___sys_sendmsg+0xee/0x170 [ 2308.595972][ T7704] __sys_sendmsg+0xcd/0x170 [ 2308.595972][ T7704] do_syscall_64+0xc6/0x1e0 [ 2308.595972][ T7704] [ 2308.598172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2308.598172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2308.598172][ T7704] ipv6_find_idev+0x102/0x170 [ 2308.598172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.598172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.598172][ T7704] netlink_rcv_skb+0x130/0x360 [ 2308.598172][ T7704] netlink_unicast+0x449/0x710 [ 2308.598172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2308.598172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2308.598172][ T7704] ___sys_sendmsg+0xee/0x170 [ 2308.598172][ T7704] __sys_sendmsg+0xcd/0x170 [ 2308.598172][ T7704] do_syscall_64+0xc6/0x1e0 [ 2308.598172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.598172][ T7704] [ 2308.599981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2308.599981][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2308.599981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2308.599981][ T7704] ipv6_find_idev+0x102/0x170 [ 2308.599981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.599981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.599981][ T7704] netlink_rcv_skb+0x130/0x360 [ 2308.599981][ T7704] netlink_unicast+0x449/0x710 [ 2308.599981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2308.599981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2308.599981][ T7704] ___sys_sendmsg+0xee/0x170 [ 2308.599981][ T7704] __sys_sendmsg+0xcd/0x170 [ 2308.599981][ T7704] do_syscall_64+0xc6/0x1e0 [ 2308.599981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.599981][ T7704] [ 2318.703014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2318.703522][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2318.703522][ T7704] netdev_get_by_index+0x5e/0x80 [ 2318.703522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2318.703522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2318.703522][ T7704] ip6_route_add+0x1c/0x140 [ 2318.703522][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2318.703522][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2318.703522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.703522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.703522][ T7704] netlink_rcv_skb+0x130/0x360 [ 2318.703522][ T7704] netlink_unicast+0x449/0x710 [ 2318.703522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2318.703522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2318.703522][ T7704] ___sys_sendmsg+0xee/0x170 [ 2318.703522][ T7704] __sys_sendmsg+0xcd/0x170 [ 2318.703522][ T7704] do_syscall_64+0xc6/0x1e0 [ 2318.703522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.703522][ T7704] [ 2318.705832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2318.705832][ T7704] netdev_get_by_index+0x5e/0x80 [ 2318.705832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2318.705832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2318.705832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2318.705832][ T7704] ipv6_add_addr+0x411/0x2000 [ 2318.705832][ T7704] inet6_addr_add+0x30e/0xa40 [ 2318.705832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.705832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.705832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2318.705832][ T7704] netlink_unicast+0x449/0x710 [ 2318.705832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2318.705832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2318.705832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2318.705832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2318.705832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2318.705832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.705832][ T7704] [ 2318.708153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2318.708153][ T7704] netdev_get_by_index+0x5e/0x80 [ 2318.708153][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2318.708153][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2318.708153][ T7704] ip6_route_add+0x1c/0x140 [ 2318.708153][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2318.708153][ T7704] addrconf_add_dev+0xe2/0x170 [ 2318.708153][ T7704] inet6_addr_add+0x12f/0xa40 [ 2318.708153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.708153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.708153][ T7704] netlink_rcv_skb+0x130/0x360 [ 2318.708153][ T7704] netlink_unicast+0x449/0x710 [ 2318.708153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2318.708153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2318.708153][ T7704] ___sys_sendmsg+0xee/0x170 [ 2318.708153][ T7704] __sys_sendmsg+0xcd/0x170 [ 2318.708153][ T7704] do_syscall_64+0xc6/0x1e0 [ 2318.708153][ T7704] [ 2318.710424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2318.710424][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2318.710424][ T7704] ipv6_find_idev+0x102/0x170 [ 2318.710424][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.710424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.710424][ T7704] netlink_rcv_skb+0x130/0x360 [ 2318.710424][ T7704] netlink_unicast+0x449/0x710 [ 2318.710424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2318.710424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2318.710424][ T7704] ___sys_sendmsg+0xee/0x170 [ 2318.710424][ T7704] __sys_sendmsg+0xcd/0x170 [ 2318.710424][ T7704] do_syscall_64+0xc6/0x1e0 [ 2318.710424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.710424][ T7704] [ 2318.712187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2318.712187][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2318.712187][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2318.712187][ T7704] ipv6_find_idev+0x102/0x170 [ 2318.712187][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.712187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.712187][ T7704] netlink_rcv_skb+0x130/0x360 [ 2318.712187][ T7704] netlink_unicast+0x449/0x710 [ 2318.712187][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2318.712187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2318.712187][ T7704] ___sys_sendmsg+0xee/0x170 [ 2318.712187][ T7704] __sys_sendmsg+0xcd/0x170 [ 2318.712187][ T7704] do_syscall_64+0xc6/0x1e0 [ 2318.712187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.712187][ T7704] [ 2328.950921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2328.951407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2328.951407][ T7704] netdev_get_by_index+0x5e/0x80 [ 2328.951407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2328.951407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2328.951407][ T7704] ip6_route_add+0x1c/0x140 [ 2328.951407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2328.951407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2328.951407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.951407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.951407][ T7704] netlink_rcv_skb+0x130/0x360 [ 2328.951407][ T7704] netlink_unicast+0x449/0x710 [ 2328.951407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2328.951407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2328.951407][ T7704] ___sys_sendmsg+0xee/0x170 [ 2328.951407][ T7704] __sys_sendmsg+0xcd/0x170 [ 2328.951407][ T7704] do_syscall_64+0xc6/0x1e0 [ 2328.951407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.951407][ T7704] [ 2328.953678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2328.953678][ T7704] netdev_get_by_index+0x5e/0x80 [ 2328.953678][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2328.953678][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2328.953678][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2328.953678][ T7704] ipv6_add_addr+0x411/0x2000 [ 2328.953678][ T7704] inet6_addr_add+0x30e/0xa40 [ 2328.953678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.953678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.953678][ T7704] netlink_rcv_skb+0x130/0x360 [ 2328.953678][ T7704] netlink_unicast+0x449/0x710 [ 2328.953678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2328.953678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2328.953678][ T7704] ___sys_sendmsg+0xee/0x170 [ 2328.953678][ T7704] __sys_sendmsg+0xcd/0x170 [ 2328.953678][ T7704] do_syscall_64+0xc6/0x1e0 [ 2328.953678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.953678][ T7704] [ 2328.955935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2328.955935][ T7704] netdev_get_by_index+0x5e/0x80 [ 2328.955935][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2328.955935][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2328.955935][ T7704] ip6_route_add+0x1c/0x140 [ 2328.955935][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.955935][ T7704] addrconf_add_dev+0xe2/0x170 [ 2328.955935][ T7704] inet6_addr_add+0x12f/0xa40 [ 2328.955935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.955935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.955935][ T7704] netlink_rcv_skb+0x130/0x360 [ 2328.955935][ T7704] netlink_unicast+0x449/0x710 [ 2328.955935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2328.955935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2328.955935][ T7704] ___sys_sendmsg+0xee/0x170 [ 2328.955935][ T7704] __sys_sendmsg+0xcd/0x170 [ 2328.955935][ T7704] do_syscall_64+0xc6/0x1e0 [ 2328.955935][ T7704] [ 2328.958149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2328.958149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2328.958149][ T7704] ipv6_find_idev+0x102/0x170 [ 2328.958149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.958149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.958149][ T7704] netlink_rcv_skb+0x130/0x360 [ 2328.958149][ T7704] netlink_unicast+0x449/0x710 [ 2328.958149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2328.958149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2328.958149][ T7704] ___sys_sendmsg+0xee/0x170 [ 2328.958149][ T7704] __sys_sendmsg+0xcd/0x170 [ 2328.958149][ T7704] do_syscall_64+0xc6/0x1e0 [ 2328.958149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.958149][ T7704] [ 2328.959894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2328.959894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2328.959894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2328.959894][ T7704] ipv6_find_idev+0x102/0x170 [ 2328.959894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.959894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.959894][ T7704] netlink_rcv_skb+0x130/0x360 [ 2328.959894][ T7704] netlink_unicast+0x449/0x710 [ 2328.959894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2328.959894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2328.959894][ T7704] ___sys_sendmsg+0xee/0x170 [ 2328.959894][ T7704] __sys_sendmsg+0xcd/0x170 [ 2328.959894][ T7704] do_syscall_64+0xc6/0x1e0 [ 2328.959894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.959894][ T7704] [ 2339.198935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2339.199422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2339.199422][ T7704] netdev_get_by_index+0x5e/0x80 [ 2339.199422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2339.199422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2339.199422][ T7704] ip6_route_add+0x1c/0x140 [ 2339.199422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2339.199422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2339.199422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.199422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.199422][ T7704] netlink_rcv_skb+0x130/0x360 [ 2339.199422][ T7704] netlink_unicast+0x449/0x710 [ 2339.199422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2339.199422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2339.199422][ T7704] ___sys_sendmsg+0xee/0x170 [ 2339.199422][ T7704] __sys_sendmsg+0xcd/0x170 [ 2339.199422][ T7704] do_syscall_64+0xc6/0x1e0 [ 2339.199422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.199422][ T7704] [ 2339.201706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2339.201706][ T7704] netdev_get_by_index+0x5e/0x80 [ 2339.201706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2339.201706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2339.201706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2339.201706][ T7704] ipv6_add_addr+0x411/0x2000 [ 2339.201706][ T7704] inet6_addr_add+0x30e/0xa40 [ 2339.201706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.201706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.201706][ T7704] netlink_rcv_skb+0x130/0x360 [ 2339.201706][ T7704] netlink_unicast+0x449/0x710 [ 2339.201706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2339.201706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2339.201706][ T7704] ___sys_sendmsg+0xee/0x170 [ 2339.201706][ T7704] __sys_sendmsg+0xcd/0x170 [ 2339.201706][ T7704] do_syscall_64+0xc6/0x1e0 [ 2339.201706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.201706][ T7704] [ 2339.203978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2339.203978][ T7704] netdev_get_by_index+0x5e/0x80 [ 2339.203978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2339.203978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2339.203978][ T7704] ip6_route_add+0x1c/0x140 [ 2339.203978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.203978][ T7704] addrconf_add_dev+0xe2/0x170 [ 2339.203978][ T7704] inet6_addr_add+0x12f/0xa40 [ 2339.203978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.203978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.203978][ T7704] netlink_rcv_skb+0x130/0x360 [ 2339.203978][ T7704] netlink_unicast+0x449/0x710 [ 2339.203978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2339.203978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2339.203978][ T7704] ___sys_sendmsg+0xee/0x170 [ 2339.203978][ T7704] __sys_sendmsg+0xcd/0x170 [ 2339.203978][ T7704] do_syscall_64+0xc6/0x1e0 [ 2339.203978][ T7704] [ 2339.206199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2339.206199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2339.206199][ T7704] ipv6_find_idev+0x102/0x170 [ 2339.206199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.206199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.206199][ T7704] netlink_rcv_skb+0x130/0x360 [ 2339.206199][ T7704] netlink_unicast+0x449/0x710 [ 2339.206199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2339.206199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2339.206199][ T7704] ___sys_sendmsg+0xee/0x170 [ 2339.206199][ T7704] __sys_sendmsg+0xcd/0x170 [ 2339.206199][ T7704] do_syscall_64+0xc6/0x1e0 [ 2339.206199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.206199][ T7704] [ 2339.207940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2339.207940][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2339.207940][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2339.207940][ T7704] ipv6_find_idev+0x102/0x170 [ 2339.207940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.207940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.207940][ T7704] netlink_rcv_skb+0x130/0x360 [ 2339.207940][ T7704] netlink_unicast+0x449/0x710 [ 2339.207940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2339.207940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2339.207940][ T7704] ___sys_sendmsg+0xee/0x170 [ 2339.207940][ T7704] __sys_sendmsg+0xcd/0x170 [ 2339.207940][ T7704] do_syscall_64+0xc6/0x1e0 [ 2339.207940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.207940][ T7704] [ 2349.238953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2349.239434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2349.239434][ T7704] netdev_get_by_index+0x5e/0x80 [ 2349.239434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2349.239434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2349.239434][ T7704] ip6_route_add+0x1c/0x140 [ 2349.239434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2349.239434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2349.239434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.239434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.239434][ T7704] netlink_rcv_skb+0x130/0x360 [ 2349.239434][ T7704] netlink_unicast+0x449/0x710 [ 2349.239434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2349.239434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2349.239434][ T7704] ___sys_sendmsg+0xee/0x170 [ 2349.239434][ T7704] __sys_sendmsg+0xcd/0x170 [ 2349.239434][ T7704] do_syscall_64+0xc6/0x1e0 [ 2349.239434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.239434][ T7704] [ 2349.241719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2349.241719][ T7704] netdev_get_by_index+0x5e/0x80 [ 2349.241719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2349.241719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2349.241719][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2349.241719][ T7704] ipv6_add_addr+0x411/0x2000 [ 2349.241719][ T7704] inet6_addr_add+0x30e/0xa40 [ 2349.241719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.241719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.241719][ T7704] netlink_rcv_skb+0x130/0x360 [ 2349.241719][ T7704] netlink_unicast+0x449/0x710 [ 2349.241719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2349.241719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2349.241719][ T7704] ___sys_sendmsg+0xee/0x170 [ 2349.241719][ T7704] __sys_sendmsg+0xcd/0x170 [ 2349.241719][ T7704] do_syscall_64+0xc6/0x1e0 [ 2349.241719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.241719][ T7704] [ 2349.243994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2349.243994][ T7704] netdev_get_by_index+0x5e/0x80 [ 2349.243994][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2349.243994][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2349.243994][ T7704] ip6_route_add+0x1c/0x140 [ 2349.243994][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2349.243994][ T7704] addrconf_add_dev+0xe2/0x170 [ 2349.243994][ T7704] inet6_addr_add+0x12f/0xa40 [ 2349.243994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.243994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.243994][ T7704] netlink_rcv_skb+0x130/0x360 [ 2349.243994][ T7704] netlink_unicast+0x449/0x710 [ 2349.243994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2349.243994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2349.243994][ T7704] ___sys_sendmsg+0xee/0x170 [ 2349.243994][ T7704] __sys_sendmsg+0xcd/0x170 [ 2349.243994][ T7704] do_syscall_64+0xc6/0x1e0 [ 2349.243994][ T7704] [ 2349.246212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2349.246212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2349.246212][ T7704] ipv6_find_idev+0x102/0x170 [ 2349.246212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.246212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.246212][ T7704] netlink_rcv_skb+0x130/0x360 [ 2349.246212][ T7704] netlink_unicast+0x449/0x710 [ 2349.246212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2349.246212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2349.246212][ T7704] ___sys_sendmsg+0xee/0x170 [ 2349.246212][ T7704] __sys_sendmsg+0xcd/0x170 [ 2349.246212][ T7704] do_syscall_64+0xc6/0x1e0 [ 2349.246212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.246212][ T7704] [ 2349.247945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2349.247945][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2349.247945][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2349.247945][ T7704] ipv6_find_idev+0x102/0x170 [ 2349.247945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.247945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.247945][ T7704] netlink_rcv_skb+0x130/0x360 [ 2349.247945][ T7704] netlink_unicast+0x449/0x710 [ 2349.247945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2349.247945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2349.247945][ T7704] ___sys_sendmsg+0xee/0x170 [ 2349.247945][ T7704] __sys_sendmsg+0xcd/0x170 [ 2349.247945][ T7704] do_syscall_64+0xc6/0x1e0 [ 2349.247945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.247945][ T7704] [ 2359.502991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2359.503484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2359.503484][ T7704] netdev_get_by_index+0x5e/0x80 [ 2359.503484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2359.503484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2359.503484][ T7704] ip6_route_add+0x1c/0x140 [ 2359.503484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2359.503484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2359.503484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.503484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.503484][ T7704] netlink_rcv_skb+0x130/0x360 [ 2359.503484][ T7704] netlink_unicast+0x449/0x710 [ 2359.503484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2359.503484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2359.503484][ T7704] ___sys_sendmsg+0xee/0x170 [ 2359.503484][ T7704] __sys_sendmsg+0xcd/0x170 [ 2359.503484][ T7704] do_syscall_64+0xc6/0x1e0 [ 2359.503484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.503484][ T7704] [ 2359.505763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2359.505763][ T7704] netdev_get_by_index+0x5e/0x80 [ 2359.505763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2359.505763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2359.505763][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2359.505763][ T7704] ipv6_add_addr+0x411/0x2000 [ 2359.505763][ T7704] inet6_addr_add+0x30e/0xa40 [ 2359.505763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.505763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.505763][ T7704] netlink_rcv_skb+0x130/0x360 [ 2359.505763][ T7704] netlink_unicast+0x449/0x710 [ 2359.505763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2359.505763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2359.505763][ T7704] ___sys_sendmsg+0xee/0x170 [ 2359.505763][ T7704] __sys_sendmsg+0xcd/0x170 [ 2359.505763][ T7704] do_syscall_64+0xc6/0x1e0 [ 2359.505763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.505763][ T7704] [ 2359.508197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2359.508197][ T7704] netdev_get_by_index+0x5e/0x80 [ 2359.508197][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2359.508197][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2359.508197][ T7704] ip6_route_add+0x1c/0x140 [ 2359.508197][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2359.508197][ T7704] addrconf_add_dev+0xe2/0x170 [ 2359.508197][ T7704] inet6_addr_add+0x12f/0xa40 [ 2359.508197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.508197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.508197][ T7704] netlink_rcv_skb+0x130/0x360 [ 2359.508197][ T7704] netlink_unicast+0x449/0x710 [ 2359.508197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2359.508197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2359.508197][ T7704] ___sys_sendmsg+0xee/0x170 [ 2359.508197][ T7704] __sys_sendmsg+0xcd/0x170 [ 2359.508197][ T7704] do_syscall_64+0xc6/0x1e0 [ 2359.508197][ T7704] [ 2359.510624][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2359.510624][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2359.510624][ T7704] ipv6_find_idev+0x102/0x170 [ 2359.510624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.510624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.510624][ T7704] netlink_rcv_skb+0x130/0x360 [ 2359.510624][ T7704] netlink_unicast+0x449/0x710 [ 2359.510624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2359.510624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2359.510624][ T7704] ___sys_sendmsg+0xee/0x170 [ 2359.510624][ T7704] __sys_sendmsg+0xcd/0x170 [ 2359.510624][ T7704] do_syscall_64+0xc6/0x1e0 [ 2359.510624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.510624][ T7704] [ 2359.512390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2359.512390][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2359.512390][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2359.512390][ T7704] ipv6_find_idev+0x102/0x170 [ 2359.512390][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.512390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.512390][ T7704] netlink_rcv_skb+0x130/0x360 [ 2359.512390][ T7704] netlink_unicast+0x449/0x710 [ 2359.512390][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2359.512390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2359.512390][ T7704] ___sys_sendmsg+0xee/0x170 [ 2359.512390][ T7704] __sys_sendmsg+0xcd/0x170 [ 2359.512390][ T7704] do_syscall_64+0xc6/0x1e0 [ 2359.512390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.512390][ T7704] [ 2369.750951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2369.751484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2369.751484][ T7704] netdev_get_by_index+0x5e/0x80 [ 2369.751484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2369.751484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2369.751484][ T7704] ip6_route_add+0x1c/0x140 [ 2369.751484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2369.751484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2369.751484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.751484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.751484][ T7704] netlink_rcv_skb+0x130/0x360 [ 2369.751484][ T7704] netlink_unicast+0x449/0x710 [ 2369.751484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2369.751484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2369.751484][ T7704] ___sys_sendmsg+0xee/0x170 [ 2369.751484][ T7704] __sys_sendmsg+0xcd/0x170 [ 2369.751484][ T7704] do_syscall_64+0xc6/0x1e0 [ 2369.751484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.751484][ T7704] [ 2369.753750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2369.753750][ T7704] netdev_get_by_index+0x5e/0x80 [ 2369.753750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2369.753750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2369.753750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2369.753750][ T7704] ipv6_add_addr+0x411/0x2000 [ 2369.753750][ T7704] inet6_addr_add+0x30e/0xa40 [ 2369.753750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.753750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.753750][ T7704] netlink_rcv_skb+0x130/0x360 [ 2369.753750][ T7704] netlink_unicast+0x449/0x710 [ 2369.753750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2369.753750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2369.753750][ T7704] ___sys_sendmsg+0xee/0x170 [ 2369.753750][ T7704] __sys_sendmsg+0xcd/0x170 [ 2369.753750][ T7704] do_syscall_64+0xc6/0x1e0 [ 2369.753750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.753750][ T7704] [ 2369.756001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2369.756001][ T7704] netdev_get_by_index+0x5e/0x80 [ 2369.756001][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2369.756001][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2369.756001][ T7704] ip6_route_add+0x1c/0x140 [ 2369.756001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.756001][ T7704] addrconf_add_dev+0xe2/0x170 [ 2369.756001][ T7704] inet6_addr_add+0x12f/0xa40 [ 2369.756001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.756001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.756001][ T7704] netlink_rcv_skb+0x130/0x360 [ 2369.756001][ T7704] netlink_unicast+0x449/0x710 [ 2369.756001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2369.756001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2369.756001][ T7704] ___sys_sendmsg+0xee/0x170 [ 2369.756001][ T7704] __sys_sendmsg+0xcd/0x170 [ 2369.756001][ T7704] do_syscall_64+0xc6/0x1e0 [ 2369.756001][ T7704] [ 2369.758199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2369.758199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2369.758199][ T7704] ipv6_find_idev+0x102/0x170 [ 2369.758199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.758199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.758199][ T7704] netlink_rcv_skb+0x130/0x360 [ 2369.758199][ T7704] netlink_unicast+0x449/0x710 [ 2369.758199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2369.758199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2369.758199][ T7704] ___sys_sendmsg+0xee/0x170 [ 2369.758199][ T7704] __sys_sendmsg+0xcd/0x170 [ 2369.758199][ T7704] do_syscall_64+0xc6/0x1e0 [ 2369.758199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.758199][ T7704] [ 2369.759919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2369.759919][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2369.759919][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2369.759919][ T7704] ipv6_find_idev+0x102/0x170 [ 2369.759919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.759919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.759919][ T7704] netlink_rcv_skb+0x130/0x360 [ 2369.759919][ T7704] netlink_unicast+0x449/0x710 [ 2369.759919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2369.759919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2369.759919][ T7704] ___sys_sendmsg+0xee/0x170 [ 2369.759919][ T7704] __sys_sendmsg+0xcd/0x170 [ 2369.759919][ T7704] do_syscall_64+0xc6/0x1e0 [ 2369.759919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.759919][ T7704] [ 2379.998947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2379.999466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2379.999466][ T7704] netdev_get_by_index+0x5e/0x80 [ 2379.999466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2379.999466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2379.999466][ T7704] ip6_route_add+0x1c/0x140 [ 2379.999466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2379.999466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2379.999466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.999466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.999466][ T7704] netlink_rcv_skb+0x130/0x360 [ 2379.999466][ T7704] netlink_unicast+0x449/0x710 [ 2379.999466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2379.999466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2379.999466][ T7704] ___sys_sendmsg+0xee/0x170 [ 2379.999466][ T7704] __sys_sendmsg+0xcd/0x170 [ 2379.999466][ T7704] do_syscall_64+0xc6/0x1e0 [ 2379.999466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.999466][ T7704] [ 2380.001720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2380.001720][ T7704] netdev_get_by_index+0x5e/0x80 [ 2380.001720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2380.001720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2380.001720][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2380.001720][ T7704] ipv6_add_addr+0x411/0x2000 [ 2380.001720][ T7704] inet6_addr_add+0x30e/0xa40 [ 2380.001720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.001720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.001720][ T7704] netlink_rcv_skb+0x130/0x360 [ 2380.001720][ T7704] netlink_unicast+0x449/0x710 [ 2380.001720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2380.001720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2380.001720][ T7704] ___sys_sendmsg+0xee/0x170 [ 2380.001720][ T7704] __sys_sendmsg+0xcd/0x170 [ 2380.001720][ T7704] do_syscall_64+0xc6/0x1e0 [ 2380.001720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.001720][ T7704] [ 2380.003940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2380.003940][ T7704] netdev_get_by_index+0x5e/0x80 [ 2380.003940][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2380.003940][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2380.003940][ T7704] ip6_route_add+0x1c/0x140 [ 2380.003940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.003940][ T7704] addrconf_add_dev+0xe2/0x170 [ 2380.003940][ T7704] inet6_addr_add+0x12f/0xa40 [ 2380.003940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.003940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.003940][ T7704] netlink_rcv_skb+0x130/0x360 [ 2380.003940][ T7704] netlink_unicast+0x449/0x710 [ 2380.003940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2380.003940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2380.003940][ T7704] ___sys_sendmsg+0xee/0x170 [ 2380.003940][ T7704] __sys_sendmsg+0xcd/0x170 [ 2380.003940][ T7704] do_syscall_64+0xc6/0x1e0 [ 2380.003940][ T7704] [ 2380.006132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2380.006132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2380.006132][ T7704] ipv6_find_idev+0x102/0x170 [ 2380.006132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.006132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.006132][ T7704] netlink_rcv_skb+0x130/0x360 [ 2380.006132][ T7704] netlink_unicast+0x449/0x710 [ 2380.006132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2380.006132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2380.006132][ T7704] ___sys_sendmsg+0xee/0x170 [ 2380.006132][ T7704] __sys_sendmsg+0xcd/0x170 [ 2380.006132][ T7704] do_syscall_64+0xc6/0x1e0 [ 2380.006132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.006132][ T7704] [ 2380.007840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2380.007840][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2380.007840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2380.007840][ T7704] ipv6_find_idev+0x102/0x170 [ 2380.007840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.007840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.007840][ T7704] netlink_rcv_skb+0x130/0x360 [ 2380.007840][ T7704] netlink_unicast+0x449/0x710 [ 2380.007840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2380.007840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2380.007840][ T7704] ___sys_sendmsg+0xee/0x170 [ 2380.007840][ T7704] __sys_sendmsg+0xcd/0x170 [ 2380.007840][ T7704] do_syscall_64+0xc6/0x1e0 [ 2380.007840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.007840][ T7704] [ 2390.246932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2390.247383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2390.247383][ T7704] netdev_get_by_index+0x5e/0x80 [ 2390.247383][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2390.247383][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2390.247383][ T7704] ip6_route_add+0x1c/0x140 [ 2390.247383][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2390.247383][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2390.247383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.247383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.247383][ T7704] netlink_rcv_skb+0x130/0x360 [ 2390.247383][ T7704] netlink_unicast+0x449/0x710 [ 2390.247383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2390.247383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2390.247383][ T7704] ___sys_sendmsg+0xee/0x170 [ 2390.247383][ T7704] __sys_sendmsg+0xcd/0x170 [ 2390.247383][ T7704] do_syscall_64+0xc6/0x1e0 [ 2390.247383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.247383][ T7704] [ 2390.249681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2390.249681][ T7704] netdev_get_by_index+0x5e/0x80 [ 2390.249681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2390.249681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2390.249681][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2390.249681][ T7704] ipv6_add_addr+0x411/0x2000 [ 2390.249681][ T7704] inet6_addr_add+0x30e/0xa40 [ 2390.249681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.249681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.249681][ T7704] netlink_rcv_skb+0x130/0x360 [ 2390.249681][ T7704] netlink_unicast+0x449/0x710 [ 2390.249681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2390.249681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2390.249681][ T7704] ___sys_sendmsg+0xee/0x170 [ 2390.249681][ T7704] __sys_sendmsg+0xcd/0x170 [ 2390.249681][ T7704] do_syscall_64+0xc6/0x1e0 [ 2390.249681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.249681][ T7704] [ 2390.251907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2390.251907][ T7704] netdev_get_by_index+0x5e/0x80 [ 2390.251907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2390.251907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2390.251907][ T7704] ip6_route_add+0x1c/0x140 [ 2390.251907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.251907][ T7704] addrconf_add_dev+0xe2/0x170 [ 2390.251907][ T7704] inet6_addr_add+0x12f/0xa40 [ 2390.251907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.251907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.251907][ T7704] netlink_rcv_skb+0x130/0x360 [ 2390.251907][ T7704] netlink_unicast+0x449/0x710 [ 2390.251907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2390.251907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2390.251907][ T7704] ___sys_sendmsg+0xee/0x170 [ 2390.251907][ T7704] __sys_sendmsg+0xcd/0x170 [ 2390.251907][ T7704] do_syscall_64+0xc6/0x1e0 [ 2390.251907][ T7704] [ 2390.254083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2390.254083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2390.254083][ T7704] ipv6_find_idev+0x102/0x170 [ 2390.254083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.254083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.254083][ T7704] netlink_rcv_skb+0x130/0x360 [ 2390.254083][ T7704] netlink_unicast+0x449/0x710 [ 2390.254083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2390.254083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2390.254083][ T7704] ___sys_sendmsg+0xee/0x170 [ 2390.254083][ T7704] __sys_sendmsg+0xcd/0x170 [ 2390.254083][ T7704] do_syscall_64+0xc6/0x1e0 [ 2390.254083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.254083][ T7704] [ 2390.255786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2390.255786][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2390.255786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2390.255786][ T7704] ipv6_find_idev+0x102/0x170 [ 2390.255786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.255786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.255786][ T7704] netlink_rcv_skb+0x130/0x360 [ 2390.255786][ T7704] netlink_unicast+0x449/0x710 [ 2390.255786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2390.255786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2390.255786][ T7704] ___sys_sendmsg+0xee/0x170 [ 2390.255786][ T7704] __sys_sendmsg+0xcd/0x170 [ 2390.255786][ T7704] do_syscall_64+0xc6/0x1e0 [ 2390.255786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.255786][ T7704] [ 2400.262959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2400.263418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2400.263418][ T7704] netdev_get_by_index+0x5e/0x80 [ 2400.263418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2400.263418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2400.263418][ T7704] ip6_route_add+0x1c/0x140 [ 2400.263418][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2400.263418][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2400.263418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.263418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.263418][ T7704] netlink_rcv_skb+0x130/0x360 [ 2400.263418][ T7704] netlink_unicast+0x449/0x710 [ 2400.263418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2400.263418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2400.263418][ T7704] ___sys_sendmsg+0xee/0x170 [ 2400.263418][ T7704] __sys_sendmsg+0xcd/0x170 [ 2400.263418][ T7704] do_syscall_64+0xc6/0x1e0 [ 2400.263418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.263418][ T7704] [ 2400.265792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2400.265792][ T7704] netdev_get_by_index+0x5e/0x80 [ 2400.265792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2400.265792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2400.265792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2400.265792][ T7704] ipv6_add_addr+0x411/0x2000 [ 2400.265792][ T7704] inet6_addr_add+0x30e/0xa40 [ 2400.265792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.265792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.265792][ T7704] netlink_rcv_skb+0x130/0x360 [ 2400.265792][ T7704] netlink_unicast+0x449/0x710 [ 2400.265792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2400.265792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2400.265792][ T7704] ___sys_sendmsg+0xee/0x170 [ 2400.265792][ T7704] __sys_sendmsg+0xcd/0x170 [ 2400.265792][ T7704] do_syscall_64+0xc6/0x1e0 [ 2400.265792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.265792][ T7704] [ 2400.268016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2400.268016][ T7704] netdev_get_by_index+0x5e/0x80 [ 2400.268016][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2400.268016][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2400.268016][ T7704] ip6_route_add+0x1c/0x140 [ 2400.268016][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.268016][ T7704] addrconf_add_dev+0xe2/0x170 [ 2400.268016][ T7704] inet6_addr_add+0x12f/0xa40 [ 2400.268016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.268016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.268016][ T7704] netlink_rcv_skb+0x130/0x360 [ 2400.268016][ T7704] netlink_unicast+0x449/0x710 [ 2400.268016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2400.268016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2400.268016][ T7704] ___sys_sendmsg+0xee/0x170 [ 2400.268016][ T7704] __sys_sendmsg+0xcd/0x170 [ 2400.268016][ T7704] do_syscall_64+0xc6/0x1e0 [ 2400.268016][ T7704] [ 2400.270212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2400.270212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2400.270212][ T7704] ipv6_find_idev+0x102/0x170 [ 2400.270212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.270212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.270212][ T7704] netlink_rcv_skb+0x130/0x360 [ 2400.270212][ T7704] netlink_unicast+0x449/0x710 [ 2400.270212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2400.270212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2400.270212][ T7704] ___sys_sendmsg+0xee/0x170 [ 2400.270212][ T7704] __sys_sendmsg+0xcd/0x170 [ 2400.270212][ T7704] do_syscall_64+0xc6/0x1e0 [ 2400.270212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.270212][ T7704] [ 2400.271920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2400.271920][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2400.271920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2400.271920][ T7704] ipv6_find_idev+0x102/0x170 [ 2400.271920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.271920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.271920][ T7704] netlink_rcv_skb+0x130/0x360 [ 2400.271920][ T7704] netlink_unicast+0x449/0x710 [ 2400.271920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2400.271920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2400.271920][ T7704] ___sys_sendmsg+0xee/0x170 [ 2400.271920][ T7704] __sys_sendmsg+0xcd/0x170 [ 2400.271920][ T7704] do_syscall_64+0xc6/0x1e0 [ 2400.271920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.271920][ T7704] [ 2410.510946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2410.511420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2410.511420][ T7704] netdev_get_by_index+0x5e/0x80 [ 2410.511420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2410.511420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2410.511420][ T7704] ip6_route_add+0x1c/0x140 [ 2410.511420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2410.511420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2410.511420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.511420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.511420][ T7704] netlink_rcv_skb+0x130/0x360 [ 2410.511420][ T7704] netlink_unicast+0x449/0x710 [ 2410.511420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2410.511420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2410.511420][ T7704] ___sys_sendmsg+0xee/0x170 [ 2410.511420][ T7704] __sys_sendmsg+0xcd/0x170 [ 2410.511420][ T7704] do_syscall_64+0xc6/0x1e0 [ 2410.511420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.511420][ T7704] [ 2410.513715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2410.513715][ T7704] netdev_get_by_index+0x5e/0x80 [ 2410.513715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2410.513715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2410.513715][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2410.513715][ T7704] ipv6_add_addr+0x411/0x2000 [ 2410.513715][ T7704] inet6_addr_add+0x30e/0xa40 [ 2410.513715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.513715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.513715][ T7704] netlink_rcv_skb+0x130/0x360 [ 2410.513715][ T7704] netlink_unicast+0x449/0x710 [ 2410.513715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2410.513715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2410.513715][ T7704] ___sys_sendmsg+0xee/0x170 [ 2410.513715][ T7704] __sys_sendmsg+0xcd/0x170 [ 2410.513715][ T7704] do_syscall_64+0xc6/0x1e0 [ 2410.513715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.513715][ T7704] [ 2410.516057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2410.516057][ T7704] netdev_get_by_index+0x5e/0x80 [ 2410.516057][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2410.516057][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2410.516057][ T7704] ip6_route_add+0x1c/0x140 [ 2410.516057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.516057][ T7704] addrconf_add_dev+0xe2/0x170 [ 2410.516057][ T7704] inet6_addr_add+0x12f/0xa40 [ 2410.516057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.516057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.516057][ T7704] netlink_rcv_skb+0x130/0x360 [ 2410.516057][ T7704] netlink_unicast+0x449/0x710 [ 2410.516057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2410.516057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2410.516057][ T7704] ___sys_sendmsg+0xee/0x170 [ 2410.516057][ T7704] __sys_sendmsg+0xcd/0x170 [ 2410.516057][ T7704] do_syscall_64+0xc6/0x1e0 [ 2410.516057][ T7704] [ 2410.518369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2410.518369][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2410.518369][ T7704] ipv6_find_idev+0x102/0x170 [ 2410.518369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.518369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.518369][ T7704] netlink_rcv_skb+0x130/0x360 [ 2410.518369][ T7704] netlink_unicast+0x449/0x710 [ 2410.518369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2410.518369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2410.518369][ T7704] ___sys_sendmsg+0xee/0x170 [ 2410.518369][ T7704] __sys_sendmsg+0xcd/0x170 [ 2410.518369][ T7704] do_syscall_64+0xc6/0x1e0 [ 2410.518369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.518369][ T7704] [ 2410.520185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2410.520185][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2410.520185][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2410.520185][ T7704] ipv6_find_idev+0x102/0x170 [ 2410.520185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.520185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.520185][ T7704] netlink_rcv_skb+0x130/0x360 [ 2410.520185][ T7704] netlink_unicast+0x449/0x710 [ 2410.520185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2410.520185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2410.520185][ T7704] ___sys_sendmsg+0xee/0x170 [ 2410.520185][ T7704] __sys_sendmsg+0xcd/0x170 [ 2410.520185][ T7704] do_syscall_64+0xc6/0x1e0 [ 2410.520185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.520185][ T7704] [ 2420.590979][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2420.591427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2420.591427][ T7704] netdev_get_by_index+0x5e/0x80 [ 2420.591427][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2420.591427][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2420.591427][ T7704] ip6_route_add+0x1c/0x140 [ 2420.591427][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2420.591427][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2420.591427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.591427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.591427][ T7704] netlink_rcv_skb+0x130/0x360 [ 2420.591427][ T7704] netlink_unicast+0x449/0x710 [ 2420.591427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2420.591427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2420.591427][ T7704] ___sys_sendmsg+0xee/0x170 [ 2420.591427][ T7704] __sys_sendmsg+0xcd/0x170 [ 2420.591427][ T7704] do_syscall_64+0xc6/0x1e0 [ 2420.591427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.591427][ T7704] [ 2420.593721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2420.593721][ T7704] netdev_get_by_index+0x5e/0x80 [ 2420.593721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2420.593721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2420.593721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2420.593721][ T7704] ipv6_add_addr+0x411/0x2000 [ 2420.593721][ T7704] inet6_addr_add+0x30e/0xa40 [ 2420.593721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.593721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.593721][ T7704] netlink_rcv_skb+0x130/0x360 [ 2420.593721][ T7704] netlink_unicast+0x449/0x710 [ 2420.593721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2420.593721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2420.593721][ T7704] ___sys_sendmsg+0xee/0x170 [ 2420.593721][ T7704] __sys_sendmsg+0xcd/0x170 [ 2420.593721][ T7704] do_syscall_64+0xc6/0x1e0 [ 2420.593721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.593721][ T7704] [ 2420.595949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2420.595949][ T7704] netdev_get_by_index+0x5e/0x80 [ 2420.595949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2420.595949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2420.595949][ T7704] ip6_route_add+0x1c/0x140 [ 2420.595949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.595949][ T7704] addrconf_add_dev+0xe2/0x170 [ 2420.595949][ T7704] inet6_addr_add+0x12f/0xa40 [ 2420.595949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.595949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.595949][ T7704] netlink_rcv_skb+0x130/0x360 [ 2420.595949][ T7704] netlink_unicast+0x449/0x710 [ 2420.595949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2420.595949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2420.595949][ T7704] ___sys_sendmsg+0xee/0x170 [ 2420.595949][ T7704] __sys_sendmsg+0xcd/0x170 [ 2420.595949][ T7704] do_syscall_64+0xc6/0x1e0 [ 2420.595949][ T7704] [ 2420.598706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2420.598706][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2420.598706][ T7704] ipv6_find_idev+0x102/0x170 [ 2420.598706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.598706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.598706][ T7704] netlink_rcv_skb+0x130/0x360 [ 2420.598706][ T7704] netlink_unicast+0x449/0x710 [ 2420.598706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2420.598706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2420.598706][ T7704] ___sys_sendmsg+0xee/0x170 [ 2420.598706][ T7704] __sys_sendmsg+0xcd/0x170 [ 2420.598706][ T7704] do_syscall_64+0xc6/0x1e0 [ 2420.598706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.598706][ T7704] [ 2420.600447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2420.600447][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2420.600447][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2420.600447][ T7704] ipv6_find_idev+0x102/0x170 [ 2420.600447][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.600447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.600447][ T7704] netlink_rcv_skb+0x130/0x360 [ 2420.600447][ T7704] netlink_unicast+0x449/0x710 [ 2420.600447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2420.600447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2420.600447][ T7704] ___sys_sendmsg+0xee/0x170 [ 2420.600447][ T7704] __sys_sendmsg+0xcd/0x170 [ 2420.600447][ T7704] do_syscall_64+0xc6/0x1e0 [ 2420.600447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.600447][ T7704] [ 2430.854896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2430.855357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2430.855357][ T7704] netdev_get_by_index+0x5e/0x80 [ 2430.855357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2430.855357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2430.855357][ T7704] ip6_route_add+0x1c/0x140 [ 2430.855357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2430.855357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2430.855357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.855357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.855357][ T7704] netlink_rcv_skb+0x130/0x360 [ 2430.855357][ T7704] netlink_unicast+0x449/0x710 [ 2430.855357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2430.855357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2430.855357][ T7704] ___sys_sendmsg+0xee/0x170 [ 2430.855357][ T7704] __sys_sendmsg+0xcd/0x170 [ 2430.855357][ T7704] do_syscall_64+0xc6/0x1e0 [ 2430.855357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.855357][ T7704] [ 2430.857627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2430.857627][ T7704] netdev_get_by_index+0x5e/0x80 [ 2430.857627][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2430.857627][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2430.857627][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2430.857627][ T7704] ipv6_add_addr+0x411/0x2000 [ 2430.857627][ T7704] inet6_addr_add+0x30e/0xa40 [ 2430.857627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.857627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.857627][ T7704] netlink_rcv_skb+0x130/0x360 [ 2430.857627][ T7704] netlink_unicast+0x449/0x710 [ 2430.857627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2430.857627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2430.857627][ T7704] ___sys_sendmsg+0xee/0x170 [ 2430.857627][ T7704] __sys_sendmsg+0xcd/0x170 [ 2430.857627][ T7704] do_syscall_64+0xc6/0x1e0 [ 2430.857627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.857627][ T7704] [ 2430.859890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2430.859890][ T7704] netdev_get_by_index+0x5e/0x80 [ 2430.859890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2430.859890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2430.859890][ T7704] ip6_route_add+0x1c/0x140 [ 2430.859890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2430.859890][ T7704] addrconf_add_dev+0xe2/0x170 [ 2430.859890][ T7704] inet6_addr_add+0x12f/0xa40 [ 2430.859890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.859890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.859890][ T7704] netlink_rcv_skb+0x130/0x360 [ 2430.859890][ T7704] netlink_unicast+0x449/0x710 [ 2430.859890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2430.859890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2430.859890][ T7704] ___sys_sendmsg+0xee/0x170 [ 2430.859890][ T7704] __sys_sendmsg+0xcd/0x170 [ 2430.859890][ T7704] do_syscall_64+0xc6/0x1e0 [ 2430.859890][ T7704] [ 2430.862586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2430.862586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2430.862586][ T7704] ipv6_find_idev+0x102/0x170 [ 2430.862586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.862586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.862586][ T7704] netlink_rcv_skb+0x130/0x360 [ 2430.862586][ T7704] netlink_unicast+0x449/0x710 [ 2430.862586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2430.862586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2430.862586][ T7704] ___sys_sendmsg+0xee/0x170 [ 2430.862586][ T7704] __sys_sendmsg+0xcd/0x170 [ 2430.862586][ T7704] do_syscall_64+0xc6/0x1e0 [ 2430.862586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.862586][ T7704] [ 2430.864335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2430.864335][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2430.864335][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2430.864335][ T7704] ipv6_find_idev+0x102/0x170 [ 2430.864335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.864335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.864335][ T7704] netlink_rcv_skb+0x130/0x360 [ 2430.864335][ T7704] netlink_unicast+0x449/0x710 [ 2430.864335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2430.864335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2430.864335][ T7704] ___sys_sendmsg+0xee/0x170 [ 2430.864335][ T7704] __sys_sendmsg+0xcd/0x170 [ 2430.864335][ T7704] do_syscall_64+0xc6/0x1e0 [ 2430.864335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.864335][ T7704] [ 2440.958917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2440.959460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2440.959460][ T7704] netdev_get_by_index+0x5e/0x80 [ 2440.959460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2440.959460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2440.959460][ T7704] ip6_route_add+0x1c/0x140 [ 2440.959460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2440.959460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2440.959460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.959460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.959460][ T7704] netlink_rcv_skb+0x130/0x360 [ 2440.959460][ T7704] netlink_unicast+0x449/0x710 [ 2440.959460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2440.959460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2440.959460][ T7704] ___sys_sendmsg+0xee/0x170 [ 2440.959460][ T7704] __sys_sendmsg+0xcd/0x170 [ 2440.959460][ T7704] do_syscall_64+0xc6/0x1e0 [ 2440.959460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.959460][ T7704] [ 2440.961845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2440.961845][ T7704] netdev_get_by_index+0x5e/0x80 [ 2440.961845][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2440.961845][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2440.961845][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2440.961845][ T7704] ipv6_add_addr+0x411/0x2000 [ 2440.961845][ T7704] inet6_addr_add+0x30e/0xa40 [ 2440.961845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.961845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.961845][ T7704] netlink_rcv_skb+0x130/0x360 [ 2440.961845][ T7704] netlink_unicast+0x449/0x710 [ 2440.961845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2440.961845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2440.961845][ T7704] ___sys_sendmsg+0xee/0x170 [ 2440.961845][ T7704] __sys_sendmsg+0xcd/0x170 [ 2440.961845][ T7704] do_syscall_64+0xc6/0x1e0 [ 2440.961845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.961845][ T7704] [ 2440.964267][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2440.964267][ T7704] netdev_get_by_index+0x5e/0x80 [ 2440.964267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2440.964267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2440.964267][ T7704] ip6_route_add+0x1c/0x140 [ 2440.964267][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2440.964267][ T7704] addrconf_add_dev+0xe2/0x170 [ 2440.964267][ T7704] inet6_addr_add+0x12f/0xa40 [ 2440.964267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.964267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.964267][ T7704] netlink_rcv_skb+0x130/0x360 [ 2440.964267][ T7704] netlink_unicast+0x449/0x710 [ 2440.964267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2440.964267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2440.964267][ T7704] ___sys_sendmsg+0xee/0x170 [ 2440.964267][ T7704] __sys_sendmsg+0xcd/0x170 [ 2440.964267][ T7704] do_syscall_64+0xc6/0x1e0 [ 2440.964267][ T7704] [ 2440.967228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2440.967228][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2440.967228][ T7704] ipv6_find_idev+0x102/0x170 [ 2440.967228][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.967228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.967228][ T7704] netlink_rcv_skb+0x130/0x360 [ 2440.967228][ T7704] netlink_unicast+0x449/0x710 [ 2440.967228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2440.967228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2440.967228][ T7704] ___sys_sendmsg+0xee/0x170 [ 2440.967228][ T7704] __sys_sendmsg+0xcd/0x170 [ 2440.967228][ T7704] do_syscall_64+0xc6/0x1e0 [ 2440.967228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.967228][ T7704] [ 2440.969131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2440.969131][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2440.969131][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2440.969131][ T7704] ipv6_find_idev+0x102/0x170 [ 2440.969131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.969131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.969131][ T7704] netlink_rcv_skb+0x130/0x360 [ 2440.969131][ T7704] netlink_unicast+0x449/0x710 [ 2440.969131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2440.969131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2440.969131][ T7704] ___sys_sendmsg+0xee/0x170 [ 2440.969131][ T7704] __sys_sendmsg+0xcd/0x170 [ 2440.969131][ T7704] do_syscall_64+0xc6/0x1e0 [ 2440.969131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.969131][ T7704] [ 2451.118948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2451.119422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2451.119422][ T7704] netdev_get_by_index+0x5e/0x80 [ 2451.119422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2451.119422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2451.119422][ T7704] ip6_route_add+0x1c/0x140 [ 2451.119422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2451.119422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2451.119422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.119422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.119422][ T7704] netlink_rcv_skb+0x130/0x360 [ 2451.119422][ T7704] netlink_unicast+0x449/0x710 [ 2451.119422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2451.119422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2451.119422][ T7704] ___sys_sendmsg+0xee/0x170 [ 2451.119422][ T7704] __sys_sendmsg+0xcd/0x170 [ 2451.119422][ T7704] do_syscall_64+0xc6/0x1e0 [ 2451.119422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.119422][ T7704] [ 2451.121700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2451.121700][ T7704] netdev_get_by_index+0x5e/0x80 [ 2451.121700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2451.121700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2451.121700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2451.121700][ T7704] ipv6_add_addr+0x411/0x2000 [ 2451.121700][ T7704] inet6_addr_add+0x30e/0xa40 [ 2451.121700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.121700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.121700][ T7704] netlink_rcv_skb+0x130/0x360 [ 2451.121700][ T7704] netlink_unicast+0x449/0x710 [ 2451.121700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2451.121700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2451.121700][ T7704] ___sys_sendmsg+0xee/0x170 [ 2451.121700][ T7704] __sys_sendmsg+0xcd/0x170 [ 2451.121700][ T7704] do_syscall_64+0xc6/0x1e0 [ 2451.121700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.121700][ T7704] [ 2451.123962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2451.123962][ T7704] netdev_get_by_index+0x5e/0x80 [ 2451.123962][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2451.123962][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2451.123962][ T7704] ip6_route_add+0x1c/0x140 [ 2451.123962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2451.123962][ T7704] addrconf_add_dev+0xe2/0x170 [ 2451.123962][ T7704] inet6_addr_add+0x12f/0xa40 [ 2451.123962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.123962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.123962][ T7704] netlink_rcv_skb+0x130/0x360 [ 2451.123962][ T7704] netlink_unicast+0x449/0x710 [ 2451.123962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2451.123962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2451.123962][ T7704] ___sys_sendmsg+0xee/0x170 [ 2451.123962][ T7704] __sys_sendmsg+0xcd/0x170 [ 2451.123962][ T7704] do_syscall_64+0xc6/0x1e0 [ 2451.123962][ T7704] [ 2451.126176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2451.126176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2451.126176][ T7704] ipv6_find_idev+0x102/0x170 [ 2451.126176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.126176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.126176][ T7704] netlink_rcv_skb+0x130/0x360 [ 2451.126176][ T7704] netlink_unicast+0x449/0x710 [ 2451.126176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2451.126176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2451.126176][ T7704] ___sys_sendmsg+0xee/0x170 [ 2451.126176][ T7704] __sys_sendmsg+0xcd/0x170 [ 2451.126176][ T7704] do_syscall_64+0xc6/0x1e0 [ 2451.126176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.126176][ T7704] [ 2451.127908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2451.127908][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2451.127908][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2451.127908][ T7704] ipv6_find_idev+0x102/0x170 [ 2451.127908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.127908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.127908][ T7704] netlink_rcv_skb+0x130/0x360 [ 2451.127908][ T7704] netlink_unicast+0x449/0x710 [ 2451.127908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2451.127908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2451.127908][ T7704] ___sys_sendmsg+0xee/0x170 [ 2451.127908][ T7704] __sys_sendmsg+0xcd/0x170 [ 2451.127908][ T7704] do_syscall_64+0xc6/0x1e0 [ 2451.127908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.127908][ T7704] [ 2461.374889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2461.375364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2461.375364][ T7704] netdev_get_by_index+0x5e/0x80 [ 2461.375364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2461.375364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2461.375364][ T7704] ip6_route_add+0x1c/0x140 [ 2461.375364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2461.375364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2461.375364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.375364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.375364][ T7704] netlink_rcv_skb+0x130/0x360 [ 2461.375364][ T7704] netlink_unicast+0x449/0x710 [ 2461.375364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2461.375364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2461.375364][ T7704] ___sys_sendmsg+0xee/0x170 [ 2461.375364][ T7704] __sys_sendmsg+0xcd/0x170 [ 2461.375364][ T7704] do_syscall_64+0xc6/0x1e0 [ 2461.375364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.375364][ T7704] [ 2461.377617][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2461.377617][ T7704] netdev_get_by_index+0x5e/0x80 [ 2461.377617][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2461.377617][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2461.377617][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2461.377617][ T7704] ipv6_add_addr+0x411/0x2000 [ 2461.377617][ T7704] inet6_addr_add+0x30e/0xa40 [ 2461.377617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.377617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.377617][ T7704] netlink_rcv_skb+0x130/0x360 [ 2461.377617][ T7704] netlink_unicast+0x449/0x710 [ 2461.377617][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2461.377617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2461.377617][ T7704] ___sys_sendmsg+0xee/0x170 [ 2461.377617][ T7704] __sys_sendmsg+0xcd/0x170 [ 2461.377617][ T7704] do_syscall_64+0xc6/0x1e0 [ 2461.377617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.377617][ T7704] [ 2461.379849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2461.379849][ T7704] netdev_get_by_index+0x5e/0x80 [ 2461.379849][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2461.379849][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2461.379849][ T7704] ip6_route_add+0x1c/0x140 [ 2461.379849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.379849][ T7704] addrconf_add_dev+0xe2/0x170 [ 2461.379849][ T7704] inet6_addr_add+0x12f/0xa40 [ 2461.379849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.379849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.379849][ T7704] netlink_rcv_skb+0x130/0x360 [ 2461.379849][ T7704] netlink_unicast+0x449/0x710 [ 2461.379849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2461.379849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2461.379849][ T7704] ___sys_sendmsg+0xee/0x170 [ 2461.379849][ T7704] __sys_sendmsg+0xcd/0x170 [ 2461.379849][ T7704] do_syscall_64+0xc6/0x1e0 [ 2461.379849][ T7704] [ 2461.382037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2461.382037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2461.382037][ T7704] ipv6_find_idev+0x102/0x170 [ 2461.382037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.382037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.382037][ T7704] netlink_rcv_skb+0x130/0x360 [ 2461.382037][ T7704] netlink_unicast+0x449/0x710 [ 2461.382037][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2461.382037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2461.382037][ T7704] ___sys_sendmsg+0xee/0x170 [ 2461.382037][ T7704] __sys_sendmsg+0xcd/0x170 [ 2461.382037][ T7704] do_syscall_64+0xc6/0x1e0 [ 2461.382037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.382037][ T7704] [ 2461.384144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2461.384144][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2461.384144][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2461.384144][ T7704] ipv6_find_idev+0x102/0x170 [ 2461.384144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.384144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.384144][ T7704] netlink_rcv_skb+0x130/0x360 [ 2461.384144][ T7704] netlink_unicast+0x449/0x710 [ 2461.384144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2461.384144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2461.384144][ T7704] ___sys_sendmsg+0xee/0x170 [ 2461.384144][ T7704] __sys_sendmsg+0xcd/0x170 [ 2461.384144][ T7704] do_syscall_64+0xc6/0x1e0 [ 2461.384144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.384144][ T7704] [ 2471.622988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2471.623559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2471.623559][ T7704] netdev_get_by_index+0x5e/0x80 [ 2471.623559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2471.623559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2471.623559][ T7704] ip6_route_add+0x1c/0x140 [ 2471.623559][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2471.623559][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2471.623559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.623559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.623559][ T7704] netlink_rcv_skb+0x130/0x360 [ 2471.623559][ T7704] netlink_unicast+0x449/0x710 [ 2471.623559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2471.623559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2471.623559][ T7704] ___sys_sendmsg+0xee/0x170 [ 2471.623559][ T7704] __sys_sendmsg+0xcd/0x170 [ 2471.623559][ T7704] do_syscall_64+0xc6/0x1e0 [ 2471.623559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.623559][ T7704] [ 2471.625811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2471.625811][ T7704] netdev_get_by_index+0x5e/0x80 [ 2471.625811][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2471.625811][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2471.625811][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2471.625811][ T7704] ipv6_add_addr+0x411/0x2000 [ 2471.625811][ T7704] inet6_addr_add+0x30e/0xa40 [ 2471.625811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.625811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.625811][ T7704] netlink_rcv_skb+0x130/0x360 [ 2471.625811][ T7704] netlink_unicast+0x449/0x710 [ 2471.625811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2471.625811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2471.625811][ T7704] ___sys_sendmsg+0xee/0x170 [ 2471.625811][ T7704] __sys_sendmsg+0xcd/0x170 [ 2471.625811][ T7704] do_syscall_64+0xc6/0x1e0 [ 2471.625811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.625811][ T7704] [ 2471.628087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2471.628087][ T7704] netdev_get_by_index+0x5e/0x80 [ 2471.628087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2471.628087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2471.628087][ T7704] ip6_route_add+0x1c/0x140 [ 2471.628087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.628087][ T7704] addrconf_add_dev+0xe2/0x170 [ 2471.628087][ T7704] inet6_addr_add+0x12f/0xa40 [ 2471.628087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.628087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.628087][ T7704] netlink_rcv_skb+0x130/0x360 [ 2471.628087][ T7704] netlink_unicast+0x449/0x710 [ 2471.628087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2471.628087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2471.628087][ T7704] ___sys_sendmsg+0xee/0x170 [ 2471.628087][ T7704] __sys_sendmsg+0xcd/0x170 [ 2471.628087][ T7704] do_syscall_64+0xc6/0x1e0 [ 2471.628087][ T7704] [ 2471.630283][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2471.630283][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2471.630283][ T7704] ipv6_find_idev+0x102/0x170 [ 2471.630283][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.630283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.630283][ T7704] netlink_rcv_skb+0x130/0x360 [ 2471.630283][ T7704] netlink_unicast+0x449/0x710 [ 2471.630283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2471.630283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2471.630283][ T7704] ___sys_sendmsg+0xee/0x170 [ 2471.630283][ T7704] __sys_sendmsg+0xcd/0x170 [ 2471.630283][ T7704] do_syscall_64+0xc6/0x1e0 [ 2471.630283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.630283][ T7704] [ 2471.632008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2471.632008][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2471.632008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2471.632008][ T7704] ipv6_find_idev+0x102/0x170 [ 2471.632008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.632008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.632008][ T7704] netlink_rcv_skb+0x130/0x360 [ 2471.632008][ T7704] netlink_unicast+0x449/0x710 [ 2471.632008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2471.632008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2471.632008][ T7704] ___sys_sendmsg+0xee/0x170 [ 2471.632008][ T7704] __sys_sendmsg+0xcd/0x170 [ 2471.632008][ T7704] do_syscall_64+0xc6/0x1e0 [ 2471.632008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.632008][ T7704] [ 2481.870933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2481.871418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2481.871418][ T7704] netdev_get_by_index+0x5e/0x80 [ 2481.871418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2481.871418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2481.871418][ T7704] ip6_route_add+0x1c/0x140 [ 2481.871418][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2481.871418][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2481.871418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.871418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.871418][ T7704] netlink_rcv_skb+0x130/0x360 [ 2481.871418][ T7704] netlink_unicast+0x449/0x710 [ 2481.871418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2481.871418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2481.871418][ T7704] ___sys_sendmsg+0xee/0x170 [ 2481.871418][ T7704] __sys_sendmsg+0xcd/0x170 [ 2481.871418][ T7704] do_syscall_64+0xc6/0x1e0 [ 2481.871418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.871418][ T7704] [ 2481.873725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2481.873725][ T7704] netdev_get_by_index+0x5e/0x80 [ 2481.873725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2481.873725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2481.873725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2481.873725][ T7704] ipv6_add_addr+0x411/0x2000 [ 2481.873725][ T7704] inet6_addr_add+0x30e/0xa40 [ 2481.873725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.873725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.873725][ T7704] netlink_rcv_skb+0x130/0x360 [ 2481.873725][ T7704] netlink_unicast+0x449/0x710 [ 2481.873725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2481.873725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2481.873725][ T7704] ___sys_sendmsg+0xee/0x170 [ 2481.873725][ T7704] __sys_sendmsg+0xcd/0x170 [ 2481.873725][ T7704] do_syscall_64+0xc6/0x1e0 [ 2481.873725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.873725][ T7704] [ 2481.875999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2481.875999][ T7704] netdev_get_by_index+0x5e/0x80 [ 2481.875999][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2481.875999][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2481.875999][ T7704] ip6_route_add+0x1c/0x140 [ 2481.875999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.875999][ T7704] addrconf_add_dev+0xe2/0x170 [ 2481.875999][ T7704] inet6_addr_add+0x12f/0xa40 [ 2481.875999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.875999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.875999][ T7704] netlink_rcv_skb+0x130/0x360 [ 2481.875999][ T7704] netlink_unicast+0x449/0x710 [ 2481.875999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2481.875999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2481.875999][ T7704] ___sys_sendmsg+0xee/0x170 [ 2481.875999][ T7704] __sys_sendmsg+0xcd/0x170 [ 2481.875999][ T7704] do_syscall_64+0xc6/0x1e0 [ 2481.875999][ T7704] [ 2481.878227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2481.878227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2481.878227][ T7704] ipv6_find_idev+0x102/0x170 [ 2481.878227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.878227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.878227][ T7704] netlink_rcv_skb+0x130/0x360 [ 2481.878227][ T7704] netlink_unicast+0x449/0x710 [ 2481.878227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2481.878227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2481.878227][ T7704] ___sys_sendmsg+0xee/0x170 [ 2481.878227][ T7704] __sys_sendmsg+0xcd/0x170 [ 2481.878227][ T7704] do_syscall_64+0xc6/0x1e0 [ 2481.878227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.878227][ T7704] [ 2481.879955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2481.879955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2481.879955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2481.879955][ T7704] ipv6_find_idev+0x102/0x170 [ 2481.879955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.879955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.879955][ T7704] netlink_rcv_skb+0x130/0x360 [ 2481.879955][ T7704] netlink_unicast+0x449/0x710 [ 2481.879955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2481.879955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2481.879955][ T7704] ___sys_sendmsg+0xee/0x170 [ 2481.879955][ T7704] __sys_sendmsg+0xcd/0x170 [ 2481.879955][ T7704] do_syscall_64+0xc6/0x1e0 [ 2481.879955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.879955][ T7704] [ 2492.118893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2492.119392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2492.119392][ T7704] netdev_get_by_index+0x5e/0x80 [ 2492.119392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2492.119392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2492.119392][ T7704] ip6_route_add+0x1c/0x140 [ 2492.119392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2492.119392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2492.119392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.119392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.119392][ T7704] netlink_rcv_skb+0x130/0x360 [ 2492.119392][ T7704] netlink_unicast+0x449/0x710 [ 2492.119392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2492.119392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2492.119392][ T7704] ___sys_sendmsg+0xee/0x170 [ 2492.119392][ T7704] __sys_sendmsg+0xcd/0x170 [ 2492.119392][ T7704] do_syscall_64+0xc6/0x1e0 [ 2492.119392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.119392][ T7704] [ 2492.121832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2492.121832][ T7704] netdev_get_by_index+0x5e/0x80 [ 2492.121832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2492.121832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2492.121832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2492.121832][ T7704] ipv6_add_addr+0x411/0x2000 [ 2492.121832][ T7704] inet6_addr_add+0x30e/0xa40 [ 2492.121832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.121832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.121832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2492.121832][ T7704] netlink_unicast+0x449/0x710 [ 2492.121832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2492.121832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2492.121832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2492.121832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2492.121832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2492.121832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.121832][ T7704] [ 2492.124125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2492.124125][ T7704] netdev_get_by_index+0x5e/0x80 [ 2492.124125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2492.124125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2492.124125][ T7704] ip6_route_add+0x1c/0x140 [ 2492.124125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.124125][ T7704] addrconf_add_dev+0xe2/0x170 [ 2492.124125][ T7704] inet6_addr_add+0x12f/0xa40 [ 2492.124125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.124125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.124125][ T7704] netlink_rcv_skb+0x130/0x360 [ 2492.124125][ T7704] netlink_unicast+0x449/0x710 [ 2492.124125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2492.124125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2492.124125][ T7704] ___sys_sendmsg+0xee/0x170 [ 2492.124125][ T7704] __sys_sendmsg+0xcd/0x170 [ 2492.124125][ T7704] do_syscall_64+0xc6/0x1e0 [ 2492.124125][ T7704] [ 2492.126384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2492.126384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2492.126384][ T7704] ipv6_find_idev+0x102/0x170 [ 2492.126384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.126384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.126384][ T7704] netlink_rcv_skb+0x130/0x360 [ 2492.126384][ T7704] netlink_unicast+0x449/0x710 [ 2492.126384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2492.126384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2492.126384][ T7704] ___sys_sendmsg+0xee/0x170 [ 2492.126384][ T7704] __sys_sendmsg+0xcd/0x170 [ 2492.126384][ T7704] do_syscall_64+0xc6/0x1e0 [ 2492.126384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.126384][ T7704] [ 2492.128212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2492.128212][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2492.128212][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2492.128212][ T7704] ipv6_find_idev+0x102/0x170 [ 2492.128212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.128212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.128212][ T7704] netlink_rcv_skb+0x130/0x360 [ 2492.128212][ T7704] netlink_unicast+0x449/0x710 [ 2492.128212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2492.128212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2492.128212][ T7704] ___sys_sendmsg+0xee/0x170 [ 2492.128212][ T7704] __sys_sendmsg+0xcd/0x170 [ 2492.128212][ T7704] do_syscall_64+0xc6/0x1e0 [ 2492.128212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.128212][ T7704] [ 2502.366973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2502.367428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2502.367428][ T7704] netdev_get_by_index+0x5e/0x80 [ 2502.367428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2502.367428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2502.367428][ T7704] ip6_route_add+0x1c/0x140 [ 2502.367428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2502.367428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2502.367428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.367428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.367428][ T7704] netlink_rcv_skb+0x130/0x360 [ 2502.367428][ T7704] netlink_unicast+0x449/0x710 [ 2502.367428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2502.367428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2502.367428][ T7704] ___sys_sendmsg+0xee/0x170 [ 2502.367428][ T7704] __sys_sendmsg+0xcd/0x170 [ 2502.367428][ T7704] do_syscall_64+0xc6/0x1e0 [ 2502.367428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.367428][ T7704] [ 2502.369689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2502.369689][ T7704] netdev_get_by_index+0x5e/0x80 [ 2502.369689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2502.369689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2502.369689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2502.369689][ T7704] ipv6_add_addr+0x411/0x2000 [ 2502.369689][ T7704] inet6_addr_add+0x30e/0xa40 [ 2502.369689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.369689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.369689][ T7704] netlink_rcv_skb+0x130/0x360 [ 2502.369689][ T7704] netlink_unicast+0x449/0x710 [ 2502.369689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2502.369689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2502.369689][ T7704] ___sys_sendmsg+0xee/0x170 [ 2502.369689][ T7704] __sys_sendmsg+0xcd/0x170 [ 2502.369689][ T7704] do_syscall_64+0xc6/0x1e0 [ 2502.369689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.369689][ T7704] [ 2502.371941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2502.371941][ T7704] netdev_get_by_index+0x5e/0x80 [ 2502.371941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2502.371941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2502.371941][ T7704] ip6_route_add+0x1c/0x140 [ 2502.371941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2502.371941][ T7704] addrconf_add_dev+0xe2/0x170 [ 2502.371941][ T7704] inet6_addr_add+0x12f/0xa40 [ 2502.371941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.371941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.371941][ T7704] netlink_rcv_skb+0x130/0x360 [ 2502.371941][ T7704] netlink_unicast+0x449/0x710 [ 2502.371941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2502.371941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2502.371941][ T7704] ___sys_sendmsg+0xee/0x170 [ 2502.371941][ T7704] __sys_sendmsg+0xcd/0x170 [ 2502.371941][ T7704] do_syscall_64+0xc6/0x1e0 [ 2502.371941][ T7704] [ 2502.374169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2502.374169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2502.374169][ T7704] ipv6_find_idev+0x102/0x170 [ 2502.374169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.374169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.374169][ T7704] netlink_rcv_skb+0x130/0x360 [ 2502.374169][ T7704] netlink_unicast+0x449/0x710 [ 2502.374169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2502.374169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2502.374169][ T7704] ___sys_sendmsg+0xee/0x170 [ 2502.374169][ T7704] __sys_sendmsg+0xcd/0x170 [ 2502.374169][ T7704] do_syscall_64+0xc6/0x1e0 [ 2502.374169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.374169][ T7704] [ 2502.375891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2502.375891][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2502.375891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2502.375891][ T7704] ipv6_find_idev+0x102/0x170 [ 2502.375891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.375891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.375891][ T7704] netlink_rcv_skb+0x130/0x360 [ 2502.375891][ T7704] netlink_unicast+0x449/0x710 [ 2502.375891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2502.375891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2502.375891][ T7704] ___sys_sendmsg+0xee/0x170 [ 2502.375891][ T7704] __sys_sendmsg+0xcd/0x170 [ 2502.375891][ T7704] do_syscall_64+0xc6/0x1e0 [ 2502.375891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.375891][ T7704] [ 2512.622963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2512.623424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2512.623424][ T7704] netdev_get_by_index+0x5e/0x80 [ 2512.623424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2512.623424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2512.623424][ T7704] ip6_route_add+0x1c/0x140 [ 2512.623424][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2512.623424][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2512.623424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.623424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.623424][ T7704] netlink_rcv_skb+0x130/0x360 [ 2512.623424][ T7704] netlink_unicast+0x449/0x710 [ 2512.623424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2512.623424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2512.623424][ T7704] ___sys_sendmsg+0xee/0x170 [ 2512.623424][ T7704] __sys_sendmsg+0xcd/0x170 [ 2512.623424][ T7704] do_syscall_64+0xc6/0x1e0 [ 2512.623424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.623424][ T7704] [ 2512.625677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2512.625677][ T7704] netdev_get_by_index+0x5e/0x80 [ 2512.625677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2512.625677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2512.625677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2512.625677][ T7704] ipv6_add_addr+0x411/0x2000 [ 2512.625677][ T7704] inet6_addr_add+0x30e/0xa40 [ 2512.625677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.625677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.625677][ T7704] netlink_rcv_skb+0x130/0x360 [ 2512.625677][ T7704] netlink_unicast+0x449/0x710 [ 2512.625677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2512.625677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2512.625677][ T7704] ___sys_sendmsg+0xee/0x170 [ 2512.625677][ T7704] __sys_sendmsg+0xcd/0x170 [ 2512.625677][ T7704] do_syscall_64+0xc6/0x1e0 [ 2512.625677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.625677][ T7704] [ 2512.627949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2512.627949][ T7704] netdev_get_by_index+0x5e/0x80 [ 2512.627949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2512.627949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2512.627949][ T7704] ip6_route_add+0x1c/0x140 [ 2512.627949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.627949][ T7704] addrconf_add_dev+0xe2/0x170 [ 2512.627949][ T7704] inet6_addr_add+0x12f/0xa40 [ 2512.627949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.627949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.627949][ T7704] netlink_rcv_skb+0x130/0x360 [ 2512.627949][ T7704] netlink_unicast+0x449/0x710 [ 2512.627949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2512.627949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2512.627949][ T7704] ___sys_sendmsg+0xee/0x170 [ 2512.627949][ T7704] __sys_sendmsg+0xcd/0x170 [ 2512.627949][ T7704] do_syscall_64+0xc6/0x1e0 [ 2512.627949][ T7704] [ 2512.630150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2512.630150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2512.630150][ T7704] ipv6_find_idev+0x102/0x170 [ 2512.630150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.630150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.630150][ T7704] netlink_rcv_skb+0x130/0x360 [ 2512.630150][ T7704] netlink_unicast+0x449/0x710 [ 2512.630150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2512.630150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2512.630150][ T7704] ___sys_sendmsg+0xee/0x170 [ 2512.630150][ T7704] __sys_sendmsg+0xcd/0x170 [ 2512.630150][ T7704] do_syscall_64+0xc6/0x1e0 [ 2512.630150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.630150][ T7704] [ 2512.631876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2512.631876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2512.631876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2512.631876][ T7704] ipv6_find_idev+0x102/0x170 [ 2512.631876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.631876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.631876][ T7704] netlink_rcv_skb+0x130/0x360 [ 2512.631876][ T7704] netlink_unicast+0x449/0x710 [ 2512.631876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2512.631876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2512.631876][ T7704] ___sys_sendmsg+0xee/0x170 [ 2512.631876][ T7704] __sys_sendmsg+0xcd/0x170 [ 2512.631876][ T7704] do_syscall_64+0xc6/0x1e0 [ 2512.631876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.631876][ T7704] [ 2522.638950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2522.639413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2522.639413][ T7704] netdev_get_by_index+0x5e/0x80 [ 2522.639413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2522.639413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2522.639413][ T7704] ip6_route_add+0x1c/0x140 [ 2522.639413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2522.639413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2522.639413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.639413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.639413][ T7704] netlink_rcv_skb+0x130/0x360 [ 2522.639413][ T7704] netlink_unicast+0x449/0x710 [ 2522.639413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2522.639413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2522.639413][ T7704] ___sys_sendmsg+0xee/0x170 [ 2522.639413][ T7704] __sys_sendmsg+0xcd/0x170 [ 2522.639413][ T7704] do_syscall_64+0xc6/0x1e0 [ 2522.639413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.639413][ T7704] [ 2522.641674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2522.641674][ T7704] netdev_get_by_index+0x5e/0x80 [ 2522.641674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2522.641674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2522.641674][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2522.641674][ T7704] ipv6_add_addr+0x411/0x2000 [ 2522.641674][ T7704] inet6_addr_add+0x30e/0xa40 [ 2522.641674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.641674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.641674][ T7704] netlink_rcv_skb+0x130/0x360 [ 2522.641674][ T7704] netlink_unicast+0x449/0x710 [ 2522.641674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2522.641674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2522.641674][ T7704] ___sys_sendmsg+0xee/0x170 [ 2522.641674][ T7704] __sys_sendmsg+0xcd/0x170 [ 2522.641674][ T7704] do_syscall_64+0xc6/0x1e0 [ 2522.641674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.641674][ T7704] [ 2522.643909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2522.643909][ T7704] netdev_get_by_index+0x5e/0x80 [ 2522.643909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2522.643909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2522.643909][ T7704] ip6_route_add+0x1c/0x140 [ 2522.643909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.643909][ T7704] addrconf_add_dev+0xe2/0x170 [ 2522.643909][ T7704] inet6_addr_add+0x12f/0xa40 [ 2522.643909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.643909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.643909][ T7704] netlink_rcv_skb+0x130/0x360 [ 2522.643909][ T7704] netlink_unicast+0x449/0x710 [ 2522.643909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2522.643909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2522.643909][ T7704] ___sys_sendmsg+0xee/0x170 [ 2522.643909][ T7704] __sys_sendmsg+0xcd/0x170 [ 2522.643909][ T7704] do_syscall_64+0xc6/0x1e0 [ 2522.643909][ T7704] [ 2522.646095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2522.646095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2522.646095][ T7704] ipv6_find_idev+0x102/0x170 [ 2522.646095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.646095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.646095][ T7704] netlink_rcv_skb+0x130/0x360 [ 2522.646095][ T7704] netlink_unicast+0x449/0x710 [ 2522.646095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2522.646095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2522.646095][ T7704] ___sys_sendmsg+0xee/0x170 [ 2522.646095][ T7704] __sys_sendmsg+0xcd/0x170 [ 2522.646095][ T7704] do_syscall_64+0xc6/0x1e0 [ 2522.646095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.646095][ T7704] [ 2522.647831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2522.647831][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2522.647831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2522.647831][ T7704] ipv6_find_idev+0x102/0x170 [ 2522.647831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.647831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.647831][ T7704] netlink_rcv_skb+0x130/0x360 [ 2522.647831][ T7704] netlink_unicast+0x449/0x710 [ 2522.647831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2522.647831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2522.647831][ T7704] ___sys_sendmsg+0xee/0x170 [ 2522.647831][ T7704] __sys_sendmsg+0xcd/0x170 [ 2522.647831][ T7704] do_syscall_64+0xc6/0x1e0 [ 2522.647831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.647831][ T7704] [ 2532.918945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2532.919395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2532.919395][ T7704] netdev_get_by_index+0x5e/0x80 [ 2532.919395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2532.919395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2532.919395][ T7704] ip6_route_add+0x1c/0x140 [ 2532.919395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2532.919395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2532.919395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.919395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.919395][ T7704] netlink_rcv_skb+0x130/0x360 [ 2532.919395][ T7704] netlink_unicast+0x449/0x710 [ 2532.919395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2532.919395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2532.919395][ T7704] ___sys_sendmsg+0xee/0x170 [ 2532.919395][ T7704] __sys_sendmsg+0xcd/0x170 [ 2532.919395][ T7704] do_syscall_64+0xc6/0x1e0 [ 2532.919395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.919395][ T7704] [ 2532.921750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2532.921750][ T7704] netdev_get_by_index+0x5e/0x80 [ 2532.921750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2532.921750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2532.921750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2532.921750][ T7704] ipv6_add_addr+0x411/0x2000 [ 2532.921750][ T7704] inet6_addr_add+0x30e/0xa40 [ 2532.921750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.921750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.921750][ T7704] netlink_rcv_skb+0x130/0x360 [ 2532.921750][ T7704] netlink_unicast+0x449/0x710 [ 2532.921750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2532.921750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2532.921750][ T7704] ___sys_sendmsg+0xee/0x170 [ 2532.921750][ T7704] __sys_sendmsg+0xcd/0x170 [ 2532.921750][ T7704] do_syscall_64+0xc6/0x1e0 [ 2532.921750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.921750][ T7704] [ 2532.924261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2532.924261][ T7704] netdev_get_by_index+0x5e/0x80 [ 2532.924261][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2532.924261][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2532.924261][ T7704] ip6_route_add+0x1c/0x140 [ 2532.924261][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2532.924261][ T7704] addrconf_add_dev+0xe2/0x170 [ 2532.924261][ T7704] inet6_addr_add+0x12f/0xa40 [ 2532.924261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.924261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.924261][ T7704] netlink_rcv_skb+0x130/0x360 [ 2532.924261][ T7704] netlink_unicast+0x449/0x710 [ 2532.924261][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2532.924261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2532.924261][ T7704] ___sys_sendmsg+0xee/0x170 [ 2532.924261][ T7704] __sys_sendmsg+0xcd/0x170 [ 2532.924261][ T7704] do_syscall_64+0xc6/0x1e0 [ 2532.924261][ T7704] [ 2532.926574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2532.926574][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2532.926574][ T7704] ipv6_find_idev+0x102/0x170 [ 2532.926574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.926574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.926574][ T7704] netlink_rcv_skb+0x130/0x360 [ 2532.926574][ T7704] netlink_unicast+0x449/0x710 [ 2532.926574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2532.926574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2532.926574][ T7704] ___sys_sendmsg+0xee/0x170 [ 2532.926574][ T7704] __sys_sendmsg+0xcd/0x170 [ 2532.926574][ T7704] do_syscall_64+0xc6/0x1e0 [ 2532.926574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.926574][ T7704] [ 2532.928426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2532.928426][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2532.928426][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2532.928426][ T7704] ipv6_find_idev+0x102/0x170 [ 2532.928426][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.928426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.928426][ T7704] netlink_rcv_skb+0x130/0x360 [ 2532.928426][ T7704] netlink_unicast+0x449/0x710 [ 2532.928426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2532.928426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2532.928426][ T7704] ___sys_sendmsg+0xee/0x170 [ 2532.928426][ T7704] __sys_sendmsg+0xcd/0x170 [ 2532.928426][ T7704] do_syscall_64+0xc6/0x1e0 [ 2532.928426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.928426][ T7704] [ 2542.998966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2542.999436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2542.999436][ T7704] netdev_get_by_index+0x5e/0x80 [ 2542.999436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2542.999436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2542.999436][ T7704] ip6_route_add+0x1c/0x140 [ 2542.999436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2542.999436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2542.999436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.999436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.999436][ T7704] netlink_rcv_skb+0x130/0x360 [ 2542.999436][ T7704] netlink_unicast+0x449/0x710 [ 2542.999436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2542.999436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2542.999436][ T7704] ___sys_sendmsg+0xee/0x170 [ 2542.999436][ T7704] __sys_sendmsg+0xcd/0x170 [ 2542.999436][ T7704] do_syscall_64+0xc6/0x1e0 [ 2542.999436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.999436][ T7704] [ 2543.001697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2543.001697][ T7704] netdev_get_by_index+0x5e/0x80 [ 2543.001697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2543.001697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2543.001697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2543.001697][ T7704] ipv6_add_addr+0x411/0x2000 [ 2543.001697][ T7704] inet6_addr_add+0x30e/0xa40 [ 2543.001697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.001697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.001697][ T7704] netlink_rcv_skb+0x130/0x360 [ 2543.001697][ T7704] netlink_unicast+0x449/0x710 [ 2543.001697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2543.001697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2543.001697][ T7704] ___sys_sendmsg+0xee/0x170 [ 2543.001697][ T7704] __sys_sendmsg+0xcd/0x170 [ 2543.001697][ T7704] do_syscall_64+0xc6/0x1e0 [ 2543.001697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.001697][ T7704] [ 2543.003938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2543.003938][ T7704] netdev_get_by_index+0x5e/0x80 [ 2543.003938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2543.003938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2543.003938][ T7704] ip6_route_add+0x1c/0x140 [ 2543.003938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.003938][ T7704] addrconf_add_dev+0xe2/0x170 [ 2543.003938][ T7704] inet6_addr_add+0x12f/0xa40 [ 2543.003938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.003938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.003938][ T7704] netlink_rcv_skb+0x130/0x360 [ 2543.003938][ T7704] netlink_unicast+0x449/0x710 [ 2543.003938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2543.003938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2543.003938][ T7704] ___sys_sendmsg+0xee/0x170 [ 2543.003938][ T7704] __sys_sendmsg+0xcd/0x170 [ 2543.003938][ T7704] do_syscall_64+0xc6/0x1e0 [ 2543.003938][ T7704] [ 2543.006172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2543.006172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2543.006172][ T7704] ipv6_find_idev+0x102/0x170 [ 2543.006172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.006172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.006172][ T7704] netlink_rcv_skb+0x130/0x360 [ 2543.006172][ T7704] netlink_unicast+0x449/0x710 [ 2543.006172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2543.006172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2543.006172][ T7704] ___sys_sendmsg+0xee/0x170 [ 2543.006172][ T7704] __sys_sendmsg+0xcd/0x170 [ 2543.006172][ T7704] do_syscall_64+0xc6/0x1e0 [ 2543.006172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.006172][ T7704] [ 2543.007910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2543.007910][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2543.007910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2543.007910][ T7704] ipv6_find_idev+0x102/0x170 [ 2543.007910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.007910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.007910][ T7704] netlink_rcv_skb+0x130/0x360 [ 2543.007910][ T7704] netlink_unicast+0x449/0x710 [ 2543.007910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2543.007910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2543.007910][ T7704] ___sys_sendmsg+0xee/0x170 [ 2543.007910][ T7704] __sys_sendmsg+0xcd/0x170 [ 2543.007910][ T7704] do_syscall_64+0xc6/0x1e0 [ 2543.007910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.007910][ T7704] [ 2553.023006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2553.023544][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2553.023544][ T7704] netdev_get_by_index+0x5e/0x80 [ 2553.023544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2553.023544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2553.023544][ T7704] ip6_route_add+0x1c/0x140 [ 2553.023544][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2553.023544][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2553.023544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.023544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.023544][ T7704] netlink_rcv_skb+0x130/0x360 [ 2553.023544][ T7704] netlink_unicast+0x449/0x710 [ 2553.023544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2553.023544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2553.023544][ T7704] ___sys_sendmsg+0xee/0x170 [ 2553.023544][ T7704] __sys_sendmsg+0xcd/0x170 [ 2553.023544][ T7704] do_syscall_64+0xc6/0x1e0 [ 2553.023544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.023544][ T7704] [ 2553.025859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2553.025859][ T7704] netdev_get_by_index+0x5e/0x80 [ 2553.025859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2553.025859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2553.025859][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2553.025859][ T7704] ipv6_add_addr+0x411/0x2000 [ 2553.025859][ T7704] inet6_addr_add+0x30e/0xa40 [ 2553.025859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.025859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.025859][ T7704] netlink_rcv_skb+0x130/0x360 [ 2553.025859][ T7704] netlink_unicast+0x449/0x710 [ 2553.025859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2553.025859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2553.025859][ T7704] ___sys_sendmsg+0xee/0x170 [ 2553.025859][ T7704] __sys_sendmsg+0xcd/0x170 [ 2553.025859][ T7704] do_syscall_64+0xc6/0x1e0 [ 2553.025859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.025859][ T7704] [ 2553.028132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2553.028132][ T7704] netdev_get_by_index+0x5e/0x80 [ 2553.028132][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2553.028132][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2553.028132][ T7704] ip6_route_add+0x1c/0x140 [ 2553.028132][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.028132][ T7704] addrconf_add_dev+0xe2/0x170 [ 2553.028132][ T7704] inet6_addr_add+0x12f/0xa40 [ 2553.028132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.028132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.028132][ T7704] netlink_rcv_skb+0x130/0x360 [ 2553.028132][ T7704] netlink_unicast+0x449/0x710 [ 2553.028132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2553.028132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2553.028132][ T7704] ___sys_sendmsg+0xee/0x170 [ 2553.028132][ T7704] __sys_sendmsg+0xcd/0x170 [ 2553.028132][ T7704] do_syscall_64+0xc6/0x1e0 [ 2553.028132][ T7704] [ 2553.030347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2553.030347][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2553.030347][ T7704] ipv6_find_idev+0x102/0x170 [ 2553.030347][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.030347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.030347][ T7704] netlink_rcv_skb+0x130/0x360 [ 2553.030347][ T7704] netlink_unicast+0x449/0x710 [ 2553.030347][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2553.030347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2553.030347][ T7704] ___sys_sendmsg+0xee/0x170 [ 2553.030347][ T7704] __sys_sendmsg+0xcd/0x170 [ 2553.030347][ T7704] do_syscall_64+0xc6/0x1e0 [ 2553.030347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.030347][ T7704] [ 2553.032098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2553.032098][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2553.032098][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2553.032098][ T7704] ipv6_find_idev+0x102/0x170 [ 2553.032098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.032098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.032098][ T7704] netlink_rcv_skb+0x130/0x360 [ 2553.032098][ T7704] netlink_unicast+0x449/0x710 [ 2553.032098][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2553.032098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2553.032098][ T7704] ___sys_sendmsg+0xee/0x170 [ 2553.032098][ T7704] __sys_sendmsg+0xcd/0x170 [ 2553.032098][ T7704] do_syscall_64+0xc6/0x1e0 [ 2553.032098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.032098][ T7704] [ 2563.270954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2563.271522][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2563.271522][ T7704] netdev_get_by_index+0x5e/0x80 [ 2563.271522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2563.271522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2563.271522][ T7704] ip6_route_add+0x1c/0x140 [ 2563.271522][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2563.271522][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2563.271522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.271522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.271522][ T7704] netlink_rcv_skb+0x130/0x360 [ 2563.271522][ T7704] netlink_unicast+0x449/0x710 [ 2563.271522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2563.271522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2563.271522][ T7704] ___sys_sendmsg+0xee/0x170 [ 2563.271522][ T7704] __sys_sendmsg+0xcd/0x170 [ 2563.271522][ T7704] do_syscall_64+0xc6/0x1e0 [ 2563.271522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.271522][ T7704] [ 2563.273828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2563.273828][ T7704] netdev_get_by_index+0x5e/0x80 [ 2563.273828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2563.273828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2563.273828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2563.273828][ T7704] ipv6_add_addr+0x411/0x2000 [ 2563.273828][ T7704] inet6_addr_add+0x30e/0xa40 [ 2563.273828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.273828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.273828][ T7704] netlink_rcv_skb+0x130/0x360 [ 2563.273828][ T7704] netlink_unicast+0x449/0x710 [ 2563.273828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2563.273828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2563.273828][ T7704] ___sys_sendmsg+0xee/0x170 [ 2563.273828][ T7704] __sys_sendmsg+0xcd/0x170 [ 2563.273828][ T7704] do_syscall_64+0xc6/0x1e0 [ 2563.273828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.273828][ T7704] [ 2563.276078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2563.276078][ T7704] netdev_get_by_index+0x5e/0x80 [ 2563.276078][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2563.276078][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2563.276078][ T7704] ip6_route_add+0x1c/0x140 [ 2563.276078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.276078][ T7704] addrconf_add_dev+0xe2/0x170 [ 2563.276078][ T7704] inet6_addr_add+0x12f/0xa40 [ 2563.276078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.276078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.276078][ T7704] netlink_rcv_skb+0x130/0x360 [ 2563.276078][ T7704] netlink_unicast+0x449/0x710 [ 2563.276078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2563.276078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2563.276078][ T7704] ___sys_sendmsg+0xee/0x170 [ 2563.276078][ T7704] __sys_sendmsg+0xcd/0x170 [ 2563.276078][ T7704] do_syscall_64+0xc6/0x1e0 [ 2563.276078][ T7704] [ 2563.278385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2563.278385][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2563.278385][ T7704] ipv6_find_idev+0x102/0x170 [ 2563.278385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.278385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.278385][ T7704] netlink_rcv_skb+0x130/0x360 [ 2563.278385][ T7704] netlink_unicast+0x449/0x710 [ 2563.278385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2563.278385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2563.278385][ T7704] ___sys_sendmsg+0xee/0x170 [ 2563.278385][ T7704] __sys_sendmsg+0xcd/0x170 [ 2563.278385][ T7704] do_syscall_64+0xc6/0x1e0 [ 2563.278385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.278385][ T7704] [ 2563.280140][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2563.280140][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2563.280140][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2563.280140][ T7704] ipv6_find_idev+0x102/0x170 [ 2563.280140][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.280140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.280140][ T7704] netlink_rcv_skb+0x130/0x360 [ 2563.280140][ T7704] netlink_unicast+0x449/0x710 [ 2563.280140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2563.280140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2563.280140][ T7704] ___sys_sendmsg+0xee/0x170 [ 2563.280140][ T7704] __sys_sendmsg+0xcd/0x170 [ 2563.280140][ T7704] do_syscall_64+0xc6/0x1e0 [ 2563.280140][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.280140][ T7704] [ 2573.398949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2573.399441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2573.399441][ T7704] netdev_get_by_index+0x5e/0x80 [ 2573.399441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2573.399441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2573.399441][ T7704] ip6_route_add+0x1c/0x140 [ 2573.399441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2573.399441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2573.399441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.399441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.399441][ T7704] netlink_rcv_skb+0x130/0x360 [ 2573.399441][ T7704] netlink_unicast+0x449/0x710 [ 2573.399441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2573.399441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2573.399441][ T7704] ___sys_sendmsg+0xee/0x170 [ 2573.399441][ T7704] __sys_sendmsg+0xcd/0x170 [ 2573.399441][ T7704] do_syscall_64+0xc6/0x1e0 [ 2573.399441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.399441][ T7704] [ 2573.401713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2573.401713][ T7704] netdev_get_by_index+0x5e/0x80 [ 2573.401713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2573.401713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2573.401713][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2573.401713][ T7704] ipv6_add_addr+0x411/0x2000 [ 2573.401713][ T7704] inet6_addr_add+0x30e/0xa40 [ 2573.401713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.401713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.401713][ T7704] netlink_rcv_skb+0x130/0x360 [ 2573.401713][ T7704] netlink_unicast+0x449/0x710 [ 2573.401713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2573.401713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2573.401713][ T7704] ___sys_sendmsg+0xee/0x170 [ 2573.401713][ T7704] __sys_sendmsg+0xcd/0x170 [ 2573.401713][ T7704] do_syscall_64+0xc6/0x1e0 [ 2573.401713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.401713][ T7704] [ 2573.403993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2573.403993][ T7704] netdev_get_by_index+0x5e/0x80 [ 2573.403993][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2573.403993][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2573.403993][ T7704] ip6_route_add+0x1c/0x140 [ 2573.403993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2573.403993][ T7704] addrconf_add_dev+0xe2/0x170 [ 2573.403993][ T7704] inet6_addr_add+0x12f/0xa40 [ 2573.403993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.403993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.403993][ T7704] netlink_rcv_skb+0x130/0x360 [ 2573.403993][ T7704] netlink_unicast+0x449/0x710 [ 2573.403993][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2573.403993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2573.403993][ T7704] ___sys_sendmsg+0xee/0x170 [ 2573.403993][ T7704] __sys_sendmsg+0xcd/0x170 [ 2573.403993][ T7704] do_syscall_64+0xc6/0x1e0 [ 2573.403993][ T7704] [ 2573.406203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2573.406203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2573.406203][ T7704] ipv6_find_idev+0x102/0x170 [ 2573.406203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.406203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.406203][ T7704] netlink_rcv_skb+0x130/0x360 [ 2573.406203][ T7704] netlink_unicast+0x449/0x710 [ 2573.406203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2573.406203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2573.406203][ T7704] ___sys_sendmsg+0xee/0x170 [ 2573.406203][ T7704] __sys_sendmsg+0xcd/0x170 [ 2573.406203][ T7704] do_syscall_64+0xc6/0x1e0 [ 2573.406203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.406203][ T7704] [ 2573.407956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2573.407956][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2573.407956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2573.407956][ T7704] ipv6_find_idev+0x102/0x170 [ 2573.407956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.407956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.407956][ T7704] netlink_rcv_skb+0x130/0x360 [ 2573.407956][ T7704] netlink_unicast+0x449/0x710 [ 2573.407956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2573.407956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2573.407956][ T7704] ___sys_sendmsg+0xee/0x170 [ 2573.407956][ T7704] __sys_sendmsg+0xcd/0x170 [ 2573.407956][ T7704] do_syscall_64+0xc6/0x1e0 [ 2573.407956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.407956][ T7704] [ 2583.598903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2583.599408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2583.599408][ T7704] netdev_get_by_index+0x5e/0x80 [ 2583.599408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2583.599408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2583.599408][ T7704] ip6_route_add+0x1c/0x140 [ 2583.599408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2583.599408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2583.599408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.599408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.599408][ T7704] netlink_rcv_skb+0x130/0x360 [ 2583.599408][ T7704] netlink_unicast+0x449/0x710 [ 2583.599408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2583.599408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2583.599408][ T7704] ___sys_sendmsg+0xee/0x170 [ 2583.599408][ T7704] __sys_sendmsg+0xcd/0x170 [ 2583.599408][ T7704] do_syscall_64+0xc6/0x1e0 [ 2583.599408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.599408][ T7704] [ 2583.601714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2583.601714][ T7704] netdev_get_by_index+0x5e/0x80 [ 2583.601714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2583.601714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2583.601714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2583.601714][ T7704] ipv6_add_addr+0x411/0x2000 [ 2583.601714][ T7704] inet6_addr_add+0x30e/0xa40 [ 2583.601714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.601714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.601714][ T7704] netlink_rcv_skb+0x130/0x360 [ 2583.601714][ T7704] netlink_unicast+0x449/0x710 [ 2583.601714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2583.601714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2583.601714][ T7704] ___sys_sendmsg+0xee/0x170 [ 2583.601714][ T7704] __sys_sendmsg+0xcd/0x170 [ 2583.601714][ T7704] do_syscall_64+0xc6/0x1e0 [ 2583.601714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.601714][ T7704] [ 2583.603971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2583.603971][ T7704] netdev_get_by_index+0x5e/0x80 [ 2583.603971][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2583.603971][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2583.603971][ T7704] ip6_route_add+0x1c/0x140 [ 2583.603971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2583.603971][ T7704] addrconf_add_dev+0xe2/0x170 [ 2583.603971][ T7704] inet6_addr_add+0x12f/0xa40 [ 2583.603971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.603971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.603971][ T7704] netlink_rcv_skb+0x130/0x360 [ 2583.603971][ T7704] netlink_unicast+0x449/0x710 [ 2583.603971][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2583.603971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2583.603971][ T7704] ___sys_sendmsg+0xee/0x170 [ 2583.603971][ T7704] __sys_sendmsg+0xcd/0x170 [ 2583.603971][ T7704] do_syscall_64+0xc6/0x1e0 [ 2583.603971][ T7704] [ 2583.606359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2583.606359][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2583.606359][ T7704] ipv6_find_idev+0x102/0x170 [ 2583.606359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.606359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.606359][ T7704] netlink_rcv_skb+0x130/0x360 [ 2583.606359][ T7704] netlink_unicast+0x449/0x710 [ 2583.606359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2583.606359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2583.606359][ T7704] ___sys_sendmsg+0xee/0x170 [ 2583.606359][ T7704] __sys_sendmsg+0xcd/0x170 [ 2583.606359][ T7704] do_syscall_64+0xc6/0x1e0 [ 2583.606359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.606359][ T7704] [ 2583.608256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2583.608256][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2583.608256][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2583.608256][ T7704] ipv6_find_idev+0x102/0x170 [ 2583.608256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.608256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.608256][ T7704] netlink_rcv_skb+0x130/0x360 [ 2583.608256][ T7704] netlink_unicast+0x449/0x710 [ 2583.608256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2583.608256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2583.608256][ T7704] ___sys_sendmsg+0xee/0x170 [ 2583.608256][ T7704] __sys_sendmsg+0xcd/0x170 [ 2583.608256][ T7704] do_syscall_64+0xc6/0x1e0 [ 2583.608256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.608256][ T7704] [ 2593.846986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2593.847563][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2593.847563][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.847563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.847563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.847563][ T7704] ip6_route_add+0x1c/0x140 [ 2593.847563][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2593.847563][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2593.847563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.847563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.847563][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.847563][ T7704] netlink_unicast+0x449/0x710 [ 2593.847563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.847563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.847563][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.847563][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.847563][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.847563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.847563][ T7704] [ 2593.849894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2593.849894][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.849894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.849894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.849894][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2593.849894][ T7704] ipv6_add_addr+0x411/0x2000 [ 2593.849894][ T7704] inet6_addr_add+0x30e/0xa40 [ 2593.849894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.849894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.849894][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.849894][ T7704] netlink_unicast+0x449/0x710 [ 2593.849894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.849894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.849894][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.849894][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.849894][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.849894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.849894][ T7704] [ 2593.852175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2593.852175][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.852175][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.852175][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.852175][ T7704] ip6_route_add+0x1c/0x140 [ 2593.852175][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2593.852175][ T7704] addrconf_add_dev+0xe2/0x170 [ 2593.852175][ T7704] inet6_addr_add+0x12f/0xa40 [ 2593.852175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.852175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.852175][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.852175][ T7704] netlink_unicast+0x449/0x710 [ 2593.852175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.852175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.852175][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.852175][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.852175][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.852175][ T7704] [ 2593.854396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2593.854396][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2593.854396][ T7704] ipv6_find_idev+0x102/0x170 [ 2593.854396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.854396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.854396][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.854396][ T7704] netlink_unicast+0x449/0x710 [ 2593.854396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.854396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.854396][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.854396][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.854396][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.854396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.854396][ T7704] [ 2593.856129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2593.856129][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2593.856129][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2593.856129][ T7704] ipv6_find_idev+0x102/0x170 [ 2593.856129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.856129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.856129][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.856129][ T7704] netlink_unicast+0x449/0x710 [ 2593.856129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.856129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.856129][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.856129][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.856129][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.856129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.856129][ T7704] [ 2604.094976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2604.095487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2604.095487][ T7704] netdev_get_by_index+0x5e/0x80 [ 2604.095487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2604.095487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2604.095487][ T7704] ip6_route_add+0x1c/0x140 [ 2604.095487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2604.095487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2604.095487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.095487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.095487][ T7704] netlink_rcv_skb+0x130/0x360 [ 2604.095487][ T7704] netlink_unicast+0x449/0x710 [ 2604.095487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2604.095487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2604.095487][ T7704] ___sys_sendmsg+0xee/0x170 [ 2604.095487][ T7704] __sys_sendmsg+0xcd/0x170 [ 2604.095487][ T7704] do_syscall_64+0xc6/0x1e0 [ 2604.095487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.095487][ T7704] [ 2604.097903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2604.097903][ T7704] netdev_get_by_index+0x5e/0x80 [ 2604.097903][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2604.097903][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2604.097903][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2604.097903][ T7704] ipv6_add_addr+0x411/0x2000 [ 2604.097903][ T7704] inet6_addr_add+0x30e/0xa40 [ 2604.097903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.097903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.097903][ T7704] netlink_rcv_skb+0x130/0x360 [ 2604.097903][ T7704] netlink_unicast+0x449/0x710 [ 2604.097903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2604.097903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2604.097903][ T7704] ___sys_sendmsg+0xee/0x170 [ 2604.097903][ T7704] __sys_sendmsg+0xcd/0x170 [ 2604.097903][ T7704] do_syscall_64+0xc6/0x1e0 [ 2604.097903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.097903][ T7704] [ 2604.100184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2604.100184][ T7704] netdev_get_by_index+0x5e/0x80 [ 2604.100184][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2604.100184][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2604.100184][ T7704] ip6_route_add+0x1c/0x140 [ 2604.100184][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.100184][ T7704] addrconf_add_dev+0xe2/0x170 [ 2604.100184][ T7704] inet6_addr_add+0x12f/0xa40 [ 2604.100184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.100184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.100184][ T7704] netlink_rcv_skb+0x130/0x360 [ 2604.100184][ T7704] netlink_unicast+0x449/0x710 [ 2604.100184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2604.100184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2604.100184][ T7704] ___sys_sendmsg+0xee/0x170 [ 2604.100184][ T7704] __sys_sendmsg+0xcd/0x170 [ 2604.100184][ T7704] do_syscall_64+0xc6/0x1e0 [ 2604.100184][ T7704] [ 2604.102417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2604.102417][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2604.102417][ T7704] ipv6_find_idev+0x102/0x170 [ 2604.102417][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.102417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.102417][ T7704] netlink_rcv_skb+0x130/0x360 [ 2604.102417][ T7704] netlink_unicast+0x449/0x710 [ 2604.102417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2604.102417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2604.102417][ T7704] ___sys_sendmsg+0xee/0x170 [ 2604.102417][ T7704] __sys_sendmsg+0xcd/0x170 [ 2604.102417][ T7704] do_syscall_64+0xc6/0x1e0 [ 2604.102417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.102417][ T7704] [ 2604.104158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2604.104158][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2604.104158][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2604.104158][ T7704] ipv6_find_idev+0x102/0x170 [ 2604.104158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.104158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.104158][ T7704] netlink_rcv_skb+0x130/0x360 [ 2604.104158][ T7704] netlink_unicast+0x449/0x710 [ 2604.104158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2604.104158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2604.104158][ T7704] ___sys_sendmsg+0xee/0x170 [ 2604.104158][ T7704] __sys_sendmsg+0xcd/0x170 [ 2604.104158][ T7704] do_syscall_64+0xc6/0x1e0 [ 2604.104158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.104158][ T7704] [ 2614.342907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2614.343472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2614.343472][ T7704] netdev_get_by_index+0x5e/0x80 [ 2614.343472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2614.343472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2614.343472][ T7704] ip6_route_add+0x1c/0x140 [ 2614.343472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2614.343472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2614.343472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.343472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.343472][ T7704] netlink_rcv_skb+0x130/0x360 [ 2614.343472][ T7704] netlink_unicast+0x449/0x710 [ 2614.343472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2614.343472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2614.343472][ T7704] ___sys_sendmsg+0xee/0x170 [ 2614.343472][ T7704] __sys_sendmsg+0xcd/0x170 [ 2614.343472][ T7704] do_syscall_64+0xc6/0x1e0 [ 2614.343472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.343472][ T7704] [ 2614.346481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2614.346481][ T7704] netdev_get_by_index+0x5e/0x80 [ 2614.346481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2614.346481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2614.346481][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2614.346481][ T7704] ipv6_add_addr+0x411/0x2000 [ 2614.346481][ T7704] inet6_addr_add+0x30e/0xa40 [ 2614.346481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.346481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.346481][ T7704] netlink_rcv_skb+0x130/0x360 [ 2614.346481][ T7704] netlink_unicast+0x449/0x710 [ 2614.346481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2614.346481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2614.346481][ T7704] ___sys_sendmsg+0xee/0x170 [ 2614.346481][ T7704] __sys_sendmsg+0xcd/0x170 [ 2614.346481][ T7704] do_syscall_64+0xc6/0x1e0 [ 2614.346481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.346481][ T7704] [ 2614.349509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2614.349509][ T7704] netdev_get_by_index+0x5e/0x80 [ 2614.349509][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2614.349509][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2614.349509][ T7704] ip6_route_add+0x1c/0x140 [ 2614.349509][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2614.349509][ T7704] addrconf_add_dev+0xe2/0x170 [ 2614.349509][ T7704] inet6_addr_add+0x12f/0xa40 [ 2614.349509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.349509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.349509][ T7704] netlink_rcv_skb+0x130/0x360 [ 2614.349509][ T7704] netlink_unicast+0x449/0x710 [ 2614.349509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2614.349509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2614.349509][ T7704] ___sys_sendmsg+0xee/0x170 [ 2614.349509][ T7704] __sys_sendmsg+0xcd/0x170 [ 2614.349509][ T7704] do_syscall_64+0xc6/0x1e0 [ 2614.349509][ T7704] [ 2614.352487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2614.352487][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2614.352487][ T7704] ipv6_find_idev+0x102/0x170 [ 2614.352487][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.352487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.352487][ T7704] netlink_rcv_skb+0x130/0x360 [ 2614.352487][ T7704] netlink_unicast+0x449/0x710 [ 2614.352487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2614.352487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2614.352487][ T7704] ___sys_sendmsg+0xee/0x170 [ 2614.352487][ T7704] __sys_sendmsg+0xcd/0x170 [ 2614.352487][ T7704] do_syscall_64+0xc6/0x1e0 [ 2614.352487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.352487][ T7704] [ 2614.354825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2614.354825][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2614.354825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2614.354825][ T7704] ipv6_find_idev+0x102/0x170 [ 2614.354825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.354825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.354825][ T7704] netlink_rcv_skb+0x130/0x360 [ 2614.354825][ T7704] netlink_unicast+0x449/0x710 [ 2614.354825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2614.354825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2614.354825][ T7704] ___sys_sendmsg+0xee/0x170 [ 2614.354825][ T7704] __sys_sendmsg+0xcd/0x170 [ 2614.354825][ T7704] do_syscall_64+0xc6/0x1e0 [ 2614.354825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.354825][ T7704] [ 2624.599101][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2624.599560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2624.599560][ T7704] netdev_get_by_index+0x5e/0x80 [ 2624.599560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2624.599560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2624.599560][ T7704] ip6_route_add+0x1c/0x140 [ 2624.599560][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2624.599560][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2624.599560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.599560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.599560][ T7704] netlink_rcv_skb+0x130/0x360 [ 2624.599560][ T7704] netlink_unicast+0x449/0x710 [ 2624.599560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2624.599560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2624.599560][ T7704] ___sys_sendmsg+0xee/0x170 [ 2624.599560][ T7704] __sys_sendmsg+0xcd/0x170 [ 2624.599560][ T7704] do_syscall_64+0xc6/0x1e0 [ 2624.599560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.599560][ T7704] [ 2624.601846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2624.601846][ T7704] netdev_get_by_index+0x5e/0x80 [ 2624.601846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2624.601846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2624.601846][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2624.601846][ T7704] ipv6_add_addr+0x411/0x2000 [ 2624.601846][ T7704] inet6_addr_add+0x30e/0xa40 [ 2624.601846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.601846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.601846][ T7704] netlink_rcv_skb+0x130/0x360 [ 2624.601846][ T7704] netlink_unicast+0x449/0x710 [ 2624.601846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2624.601846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2624.601846][ T7704] ___sys_sendmsg+0xee/0x170 [ 2624.601846][ T7704] __sys_sendmsg+0xcd/0x170 [ 2624.601846][ T7704] do_syscall_64+0xc6/0x1e0 [ 2624.601846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.601846][ T7704] [ 2624.604087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2624.604087][ T7704] netdev_get_by_index+0x5e/0x80 [ 2624.604087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2624.604087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2624.604087][ T7704] ip6_route_add+0x1c/0x140 [ 2624.604087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2624.604087][ T7704] addrconf_add_dev+0xe2/0x170 [ 2624.604087][ T7704] inet6_addr_add+0x12f/0xa40 [ 2624.604087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.604087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.604087][ T7704] netlink_rcv_skb+0x130/0x360 [ 2624.604087][ T7704] netlink_unicast+0x449/0x710 [ 2624.604087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2624.604087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2624.604087][ T7704] ___sys_sendmsg+0xee/0x170 [ 2624.604087][ T7704] __sys_sendmsg+0xcd/0x170 [ 2624.604087][ T7704] do_syscall_64+0xc6/0x1e0 [ 2624.604087][ T7704] [ 2624.606270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2624.606270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2624.606270][ T7704] ipv6_find_idev+0x102/0x170 [ 2624.606270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2624.606270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.606270][ T7704] netlink_rcv_skb+0x130/0x360 [ 2624.606270][ T7704] netlink_unicast+0x449/0x710 [ 2624.606270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2624.606270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2624.606270][ T7704] ___sys_sendmsg+0xee/0x170 [ 2624.606270][ T7704] __sys_sendmsg+0xcd/0x170 [ 2624.606270][ T7704] do_syscall_64+0xc6/0x1e0 [ 2624.606270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.606270][ T7704] [ 2624.608002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2624.608002][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2624.608002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2624.608002][ T7704] ipv6_find_idev+0x102/0x170 [ 2624.608002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2624.608002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.608002][ T7704] netlink_rcv_skb+0x130/0x360 [ 2624.608002][ T7704] netlink_unicast+0x449/0x710 [ 2624.608002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2624.608002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2624.608002][ T7704] ___sys_sendmsg+0xee/0x170 [ 2624.608002][ T7704] __sys_sendmsg+0xcd/0x170 [ 2624.608002][ T7704] do_syscall_64+0xc6/0x1e0 [ 2624.608002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.608002][ T7704] [ 2634.846969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2634.847427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2634.847427][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.847427][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.847427][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.847427][ T7704] ip6_route_add+0x1c/0x140 [ 2634.847427][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2634.847427][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2634.847427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.847427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.847427][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.847427][ T7704] netlink_unicast+0x449/0x710 [ 2634.847427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.847427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.847427][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.847427][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.847427][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.847427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.847427][ T7704] [ 2634.849685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2634.849685][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.849685][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.849685][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.849685][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2634.849685][ T7704] ipv6_add_addr+0x411/0x2000 [ 2634.849685][ T7704] inet6_addr_add+0x30e/0xa40 [ 2634.849685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.849685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.849685][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.849685][ T7704] netlink_unicast+0x449/0x710 [ 2634.849685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.849685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.849685][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.849685][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.849685][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.849685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.849685][ T7704] [ 2634.851903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2634.851903][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.851903][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.851903][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.851903][ T7704] ip6_route_add+0x1c/0x140 [ 2634.851903][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2634.851903][ T7704] addrconf_add_dev+0xe2/0x170 [ 2634.851903][ T7704] inet6_addr_add+0x12f/0xa40 [ 2634.851903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.851903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.851903][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.851903][ T7704] netlink_unicast+0x449/0x710 [ 2634.851903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.851903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.851903][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.851903][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.851903][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.851903][ T7704] [ 2634.854087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2634.854087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2634.854087][ T7704] ipv6_find_idev+0x102/0x170 [ 2634.854087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.854087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.854087][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.854087][ T7704] netlink_unicast+0x449/0x710 [ 2634.854087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.854087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.854087][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.854087][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.854087][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.854087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.854087][ T7704] [ 2634.855793][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2634.855793][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2634.855793][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2634.855793][ T7704] ipv6_find_idev+0x102/0x170 [ 2634.855793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.855793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.855793][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.855793][ T7704] netlink_unicast+0x449/0x710 [ 2634.855793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.855793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.855793][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.855793][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.855793][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.855793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.855793][ T7704] [ 2645.094936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2645.095458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2645.095458][ T7704] netdev_get_by_index+0x5e/0x80 [ 2645.095458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2645.095458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2645.095458][ T7704] ip6_route_add+0x1c/0x140 [ 2645.095458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2645.095458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2645.095458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.095458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.095458][ T7704] netlink_rcv_skb+0x130/0x360 [ 2645.095458][ T7704] netlink_unicast+0x449/0x710 [ 2645.095458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2645.095458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2645.095458][ T7704] ___sys_sendmsg+0xee/0x170 [ 2645.095458][ T7704] __sys_sendmsg+0xcd/0x170 [ 2645.095458][ T7704] do_syscall_64+0xc6/0x1e0 [ 2645.095458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.095458][ T7704] [ 2645.097732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2645.097732][ T7704] netdev_get_by_index+0x5e/0x80 [ 2645.097732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2645.097732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2645.097732][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2645.097732][ T7704] ipv6_add_addr+0x411/0x2000 [ 2645.097732][ T7704] inet6_addr_add+0x30e/0xa40 [ 2645.097732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.097732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.097732][ T7704] netlink_rcv_skb+0x130/0x360 [ 2645.097732][ T7704] netlink_unicast+0x449/0x710 [ 2645.097732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2645.097732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2645.097732][ T7704] ___sys_sendmsg+0xee/0x170 [ 2645.097732][ T7704] __sys_sendmsg+0xcd/0x170 [ 2645.097732][ T7704] do_syscall_64+0xc6/0x1e0 [ 2645.097732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.097732][ T7704] [ 2645.100497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2645.100497][ T7704] netdev_get_by_index+0x5e/0x80 [ 2645.100497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2645.100497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2645.100497][ T7704] ip6_route_add+0x1c/0x140 [ 2645.100497][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.100497][ T7704] addrconf_add_dev+0xe2/0x170 [ 2645.100497][ T7704] inet6_addr_add+0x12f/0xa40 [ 2645.100497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.100497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.100497][ T7704] netlink_rcv_skb+0x130/0x360 [ 2645.100497][ T7704] netlink_unicast+0x449/0x710 [ 2645.100497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2645.100497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2645.100497][ T7704] ___sys_sendmsg+0xee/0x170 [ 2645.100497][ T7704] __sys_sendmsg+0xcd/0x170 [ 2645.100497][ T7704] do_syscall_64+0xc6/0x1e0 [ 2645.100497][ T7704] [ 2645.102700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2645.102700][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2645.102700][ T7704] ipv6_find_idev+0x102/0x170 [ 2645.102700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.102700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.102700][ T7704] netlink_rcv_skb+0x130/0x360 [ 2645.102700][ T7704] netlink_unicast+0x449/0x710 [ 2645.102700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2645.102700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2645.102700][ T7704] ___sys_sendmsg+0xee/0x170 [ 2645.102700][ T7704] __sys_sendmsg+0xcd/0x170 [ 2645.102700][ T7704] do_syscall_64+0xc6/0x1e0 [ 2645.102700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.102700][ T7704] [ 2645.104423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2645.104423][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2645.104423][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2645.104423][ T7704] ipv6_find_idev+0x102/0x170 [ 2645.104423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.104423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.104423][ T7704] netlink_rcv_skb+0x130/0x360 [ 2645.104423][ T7704] netlink_unicast+0x449/0x710 [ 2645.104423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2645.104423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2645.104423][ T7704] ___sys_sendmsg+0xee/0x170 [ 2645.104423][ T7704] __sys_sendmsg+0xcd/0x170 [ 2645.104423][ T7704] do_syscall_64+0xc6/0x1e0 [ 2645.104423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.104423][ T7704] [ 2655.342891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2655.343357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2655.343357][ T7704] netdev_get_by_index+0x5e/0x80 [ 2655.343357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2655.343357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2655.343357][ T7704] ip6_route_add+0x1c/0x140 [ 2655.343357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2655.343357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2655.343357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.343357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.343357][ T7704] netlink_rcv_skb+0x130/0x360 [ 2655.343357][ T7704] netlink_unicast+0x449/0x710 [ 2655.343357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2655.343357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2655.343357][ T7704] ___sys_sendmsg+0xee/0x170 [ 2655.343357][ T7704] __sys_sendmsg+0xcd/0x170 [ 2655.343357][ T7704] do_syscall_64+0xc6/0x1e0 [ 2655.343357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.343357][ T7704] [ 2655.345643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2655.345643][ T7704] netdev_get_by_index+0x5e/0x80 [ 2655.345643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2655.345643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2655.345643][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2655.345643][ T7704] ipv6_add_addr+0x411/0x2000 [ 2655.345643][ T7704] inet6_addr_add+0x30e/0xa40 [ 2655.345643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.345643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.345643][ T7704] netlink_rcv_skb+0x130/0x360 [ 2655.345643][ T7704] netlink_unicast+0x449/0x710 [ 2655.345643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2655.345643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2655.345643][ T7704] ___sys_sendmsg+0xee/0x170 [ 2655.345643][ T7704] __sys_sendmsg+0xcd/0x170 [ 2655.345643][ T7704] do_syscall_64+0xc6/0x1e0 [ 2655.345643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.345643][ T7704] [ 2655.347908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2655.347908][ T7704] netdev_get_by_index+0x5e/0x80 [ 2655.347908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2655.347908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2655.347908][ T7704] ip6_route_add+0x1c/0x140 [ 2655.347908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2655.347908][ T7704] addrconf_add_dev+0xe2/0x170 [ 2655.347908][ T7704] inet6_addr_add+0x12f/0xa40 [ 2655.347908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.347908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.347908][ T7704] netlink_rcv_skb+0x130/0x360 [ 2655.347908][ T7704] netlink_unicast+0x449/0x710 [ 2655.347908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2655.347908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2655.347908][ T7704] ___sys_sendmsg+0xee/0x170 [ 2655.347908][ T7704] __sys_sendmsg+0xcd/0x170 [ 2655.347908][ T7704] do_syscall_64+0xc6/0x1e0 [ 2655.347908][ T7704] [ 2655.350544][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2655.350544][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2655.350544][ T7704] ipv6_find_idev+0x102/0x170 [ 2655.350544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.350544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.350544][ T7704] netlink_rcv_skb+0x130/0x360 [ 2655.350544][ T7704] netlink_unicast+0x449/0x710 [ 2655.350544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2655.350544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2655.350544][ T7704] ___sys_sendmsg+0xee/0x170 [ 2655.350544][ T7704] __sys_sendmsg+0xcd/0x170 [ 2655.350544][ T7704] do_syscall_64+0xc6/0x1e0 [ 2655.350544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.350544][ T7704] [ 2655.352250][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2655.352250][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2655.352250][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2655.352250][ T7704] ipv6_find_idev+0x102/0x170 [ 2655.352250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.352250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.352250][ T7704] netlink_rcv_skb+0x130/0x360 [ 2655.352250][ T7704] netlink_unicast+0x449/0x710 [ 2655.352250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2655.352250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2655.352250][ T7704] ___sys_sendmsg+0xee/0x170 [ 2655.352250][ T7704] __sys_sendmsg+0xcd/0x170 [ 2655.352250][ T7704] do_syscall_64+0xc6/0x1e0 [ 2655.352250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.352250][ T7704] [ 2665.398891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2665.399340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2665.399340][ T7704] netdev_get_by_index+0x5e/0x80 [ 2665.399340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2665.399340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2665.399340][ T7704] ip6_route_add+0x1c/0x140 [ 2665.399340][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2665.399340][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2665.399340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.399340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.399340][ T7704] netlink_rcv_skb+0x130/0x360 [ 2665.399340][ T7704] netlink_unicast+0x449/0x710 [ 2665.399340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2665.399340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2665.399340][ T7704] ___sys_sendmsg+0xee/0x170 [ 2665.399340][ T7704] __sys_sendmsg+0xcd/0x170 [ 2665.399340][ T7704] do_syscall_64+0xc6/0x1e0 [ 2665.399340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.399340][ T7704] [ 2665.401649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2665.401649][ T7704] netdev_get_by_index+0x5e/0x80 [ 2665.401649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2665.401649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2665.401649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2665.401649][ T7704] ipv6_add_addr+0x411/0x2000 [ 2665.401649][ T7704] inet6_addr_add+0x30e/0xa40 [ 2665.401649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.401649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.401649][ T7704] netlink_rcv_skb+0x130/0x360 [ 2665.401649][ T7704] netlink_unicast+0x449/0x710 [ 2665.401649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2665.401649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2665.401649][ T7704] ___sys_sendmsg+0xee/0x170 [ 2665.401649][ T7704] __sys_sendmsg+0xcd/0x170 [ 2665.401649][ T7704] do_syscall_64+0xc6/0x1e0 [ 2665.401649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.401649][ T7704] [ 2665.403890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2665.403890][ T7704] netdev_get_by_index+0x5e/0x80 [ 2665.403890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2665.403890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2665.403890][ T7704] ip6_route_add+0x1c/0x140 [ 2665.403890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2665.403890][ T7704] addrconf_add_dev+0xe2/0x170 [ 2665.403890][ T7704] inet6_addr_add+0x12f/0xa40 [ 2665.403890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.403890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.403890][ T7704] netlink_rcv_skb+0x130/0x360 [ 2665.403890][ T7704] netlink_unicast+0x449/0x710 [ 2665.403890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2665.403890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2665.403890][ T7704] ___sys_sendmsg+0xee/0x170 [ 2665.403890][ T7704] __sys_sendmsg+0xcd/0x170 [ 2665.403890][ T7704] do_syscall_64+0xc6/0x1e0 [ 2665.403890][ T7704] [ 2665.406108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2665.406108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2665.406108][ T7704] ipv6_find_idev+0x102/0x170 [ 2665.406108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.406108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.406108][ T7704] netlink_rcv_skb+0x130/0x360 [ 2665.406108][ T7704] netlink_unicast+0x449/0x710 [ 2665.406108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2665.406108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2665.406108][ T7704] ___sys_sendmsg+0xee/0x170 [ 2665.406108][ T7704] __sys_sendmsg+0xcd/0x170 [ 2665.406108][ T7704] do_syscall_64+0xc6/0x1e0 [ 2665.406108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.406108][ T7704] [ 2665.407884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2665.407884][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2665.407884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2665.407884][ T7704] ipv6_find_idev+0x102/0x170 [ 2665.407884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.407884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.407884][ T7704] netlink_rcv_skb+0x130/0x360 [ 2665.407884][ T7704] netlink_unicast+0x449/0x710 [ 2665.407884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2665.407884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2665.407884][ T7704] ___sys_sendmsg+0xee/0x170 [ 2665.407884][ T7704] __sys_sendmsg+0xcd/0x170 [ 2665.407884][ T7704] do_syscall_64+0xc6/0x1e0 [ 2665.407884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.407884][ T7704] [ 2675.662938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2675.663382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2675.663382][ T7704] netdev_get_by_index+0x5e/0x80 [ 2675.663382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2675.663382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2675.663382][ T7704] ip6_route_add+0x1c/0x140 [ 2675.663382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2675.663382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2675.663382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.663382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.663382][ T7704] netlink_rcv_skb+0x130/0x360 [ 2675.663382][ T7704] netlink_unicast+0x449/0x710 [ 2675.663382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2675.663382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2675.663382][ T7704] ___sys_sendmsg+0xee/0x170 [ 2675.663382][ T7704] __sys_sendmsg+0xcd/0x170 [ 2675.663382][ T7704] do_syscall_64+0xc6/0x1e0 [ 2675.663382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.663382][ T7704] [ 2675.665637][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2675.665637][ T7704] netdev_get_by_index+0x5e/0x80 [ 2675.665637][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2675.665637][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2675.665637][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2675.665637][ T7704] ipv6_add_addr+0x411/0x2000 [ 2675.665637][ T7704] inet6_addr_add+0x30e/0xa40 [ 2675.665637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.665637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.665637][ T7704] netlink_rcv_skb+0x130/0x360 [ 2675.665637][ T7704] netlink_unicast+0x449/0x710 [ 2675.665637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2675.665637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2675.665637][ T7704] ___sys_sendmsg+0xee/0x170 [ 2675.665637][ T7704] __sys_sendmsg+0xcd/0x170 [ 2675.665637][ T7704] do_syscall_64+0xc6/0x1e0 [ 2675.665637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.665637][ T7704] [ 2675.667859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2675.667859][ T7704] netdev_get_by_index+0x5e/0x80 [ 2675.667859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2675.667859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2675.667859][ T7704] ip6_route_add+0x1c/0x140 [ 2675.667859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2675.667859][ T7704] addrconf_add_dev+0xe2/0x170 [ 2675.667859][ T7704] inet6_addr_add+0x12f/0xa40 [ 2675.667859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.667859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.667859][ T7704] netlink_rcv_skb+0x130/0x360 [ 2675.667859][ T7704] netlink_unicast+0x449/0x710 [ 2675.667859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2675.667859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2675.667859][ T7704] ___sys_sendmsg+0xee/0x170 [ 2675.667859][ T7704] __sys_sendmsg+0xcd/0x170 [ 2675.667859][ T7704] do_syscall_64+0xc6/0x1e0 [ 2675.667859][ T7704] [ 2675.670045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2675.670045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2675.670045][ T7704] ipv6_find_idev+0x102/0x170 [ 2675.670045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2675.670045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.670045][ T7704] netlink_rcv_skb+0x130/0x360 [ 2675.670045][ T7704] netlink_unicast+0x449/0x710 [ 2675.670045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2675.670045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2675.670045][ T7704] ___sys_sendmsg+0xee/0x170 [ 2675.670045][ T7704] __sys_sendmsg+0xcd/0x170 [ 2675.670045][ T7704] do_syscall_64+0xc6/0x1e0 [ 2675.670045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.670045][ T7704] [ 2675.671753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2675.671753][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2675.671753][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2675.671753][ T7704] ipv6_find_idev+0x102/0x170 [ 2675.671753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2675.671753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.671753][ T7704] netlink_rcv_skb+0x130/0x360 [ 2675.671753][ T7704] netlink_unicast+0x449/0x710 [ 2675.671753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2675.671753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2675.671753][ T7704] ___sys_sendmsg+0xee/0x170 [ 2675.671753][ T7704] __sys_sendmsg+0xcd/0x170 [ 2675.671753][ T7704] do_syscall_64+0xc6/0x1e0 [ 2675.671753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.671753][ T7704] [ 2685.919032][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2685.919572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2685.919572][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.919572][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.919572][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.919572][ T7704] ip6_route_add+0x1c/0x140 [ 2685.919572][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2685.919572][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2685.919572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.919572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.919572][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.919572][ T7704] netlink_unicast+0x449/0x710 [ 2685.919572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.919572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.919572][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.919572][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.919572][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.919572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.919572][ T7704] [ 2685.921835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2685.921835][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.921835][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.921835][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.921835][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2685.921835][ T7704] ipv6_add_addr+0x411/0x2000 [ 2685.921835][ T7704] inet6_addr_add+0x30e/0xa40 [ 2685.921835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.921835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.921835][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.921835][ T7704] netlink_unicast+0x449/0x710 [ 2685.921835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.921835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.921835][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.921835][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.921835][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.921835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.921835][ T7704] [ 2685.924093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2685.924093][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.924093][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.924093][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.924093][ T7704] ip6_route_add+0x1c/0x140 [ 2685.924093][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2685.924093][ T7704] addrconf_add_dev+0xe2/0x170 [ 2685.924093][ T7704] inet6_addr_add+0x12f/0xa40 [ 2685.924093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.924093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.924093][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.924093][ T7704] netlink_unicast+0x449/0x710 [ 2685.924093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.924093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.924093][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.924093][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.924093][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.924093][ T7704] [ 2685.926280][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2685.926280][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2685.926280][ T7704] ipv6_find_idev+0x102/0x170 [ 2685.926280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.926280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.926280][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.926280][ T7704] netlink_unicast+0x449/0x710 [ 2685.926280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.926280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.926280][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.926280][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.926280][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.926280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.926280][ T7704] [ 2685.928025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2685.928025][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2685.928025][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2685.928025][ T7704] ipv6_find_idev+0x102/0x170 [ 2685.928025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.928025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.928025][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.928025][ T7704] netlink_unicast+0x449/0x710 [ 2685.928025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.928025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.928025][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.928025][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.928025][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.928025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.928025][ T7704] [ 2696.182925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2696.183437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2696.183437][ T7704] netdev_get_by_index+0x5e/0x80 [ 2696.183437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2696.183437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2696.183437][ T7704] ip6_route_add+0x1c/0x140 [ 2696.183437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2696.183437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2696.183437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.183437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.183437][ T7704] netlink_rcv_skb+0x130/0x360 [ 2696.183437][ T7704] netlink_unicast+0x449/0x710 [ 2696.183437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2696.183437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2696.183437][ T7704] ___sys_sendmsg+0xee/0x170 [ 2696.183437][ T7704] __sys_sendmsg+0xcd/0x170 [ 2696.183437][ T7704] do_syscall_64+0xc6/0x1e0 [ 2696.183437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.183437][ T7704] [ 2696.185990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2696.185990][ T7704] netdev_get_by_index+0x5e/0x80 [ 2696.185990][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2696.185990][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2696.185990][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2696.185990][ T7704] ipv6_add_addr+0x411/0x2000 [ 2696.185990][ T7704] inet6_addr_add+0x30e/0xa40 [ 2696.185990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.185990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.185990][ T7704] netlink_rcv_skb+0x130/0x360 [ 2696.185990][ T7704] netlink_unicast+0x449/0x710 [ 2696.185990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2696.185990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2696.185990][ T7704] ___sys_sendmsg+0xee/0x170 [ 2696.185990][ T7704] __sys_sendmsg+0xcd/0x170 [ 2696.185990][ T7704] do_syscall_64+0xc6/0x1e0 [ 2696.185990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.185990][ T7704] [ 2696.188262][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2696.188262][ T7704] netdev_get_by_index+0x5e/0x80 [ 2696.188262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2696.188262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2696.188262][ T7704] ip6_route_add+0x1c/0x140 [ 2696.188262][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2696.188262][ T7704] addrconf_add_dev+0xe2/0x170 [ 2696.188262][ T7704] inet6_addr_add+0x12f/0xa40 [ 2696.188262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.188262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.188262][ T7704] netlink_rcv_skb+0x130/0x360 [ 2696.188262][ T7704] netlink_unicast+0x449/0x710 [ 2696.188262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2696.188262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2696.188262][ T7704] ___sys_sendmsg+0xee/0x170 [ 2696.188262][ T7704] __sys_sendmsg+0xcd/0x170 [ 2696.188262][ T7704] do_syscall_64+0xc6/0x1e0 [ 2696.188262][ T7704] [ 2696.190481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2696.190481][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2696.190481][ T7704] ipv6_find_idev+0x102/0x170 [ 2696.190481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.190481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.190481][ T7704] netlink_rcv_skb+0x130/0x360 [ 2696.190481][ T7704] netlink_unicast+0x449/0x710 [ 2696.190481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2696.190481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2696.190481][ T7704] ___sys_sendmsg+0xee/0x170 [ 2696.190481][ T7704] __sys_sendmsg+0xcd/0x170 [ 2696.190481][ T7704] do_syscall_64+0xc6/0x1e0 [ 2696.190481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.190481][ T7704] [ 2696.192219][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2696.192219][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2696.192219][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2696.192219][ T7704] ipv6_find_idev+0x102/0x170 [ 2696.192219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.192219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.192219][ T7704] netlink_rcv_skb+0x130/0x360 [ 2696.192219][ T7704] netlink_unicast+0x449/0x710 [ 2696.192219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2696.192219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2696.192219][ T7704] ___sys_sendmsg+0xee/0x170 [ 2696.192219][ T7704] __sys_sendmsg+0xcd/0x170 [ 2696.192219][ T7704] do_syscall_64+0xc6/0x1e0 [ 2696.192219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.192219][ T7704] [ 2706.446989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2706.447457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2706.447457][ T7704] netdev_get_by_index+0x5e/0x80 [ 2706.447457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2706.447457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2706.447457][ T7704] ip6_route_add+0x1c/0x140 [ 2706.447457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2706.447457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2706.447457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.447457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.447457][ T7704] netlink_rcv_skb+0x130/0x360 [ 2706.447457][ T7704] netlink_unicast+0x449/0x710 [ 2706.447457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2706.447457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2706.447457][ T7704] ___sys_sendmsg+0xee/0x170 [ 2706.447457][ T7704] __sys_sendmsg+0xcd/0x170 [ 2706.447457][ T7704] do_syscall_64+0xc6/0x1e0 [ 2706.447457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.447457][ T7704] [ 2706.450269][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2706.450269][ T7704] netdev_get_by_index+0x5e/0x80 [ 2706.450269][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2706.450269][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2706.450269][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2706.450269][ T7704] ipv6_add_addr+0x411/0x2000 [ 2706.450269][ T7704] inet6_addr_add+0x30e/0xa40 [ 2706.450269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.450269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.450269][ T7704] netlink_rcv_skb+0x130/0x360 [ 2706.450269][ T7704] netlink_unicast+0x449/0x710 [ 2706.450269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2706.450269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2706.450269][ T7704] ___sys_sendmsg+0xee/0x170 [ 2706.450269][ T7704] __sys_sendmsg+0xcd/0x170 [ 2706.450269][ T7704] do_syscall_64+0xc6/0x1e0 [ 2706.450269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.450269][ T7704] [ 2706.452495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2706.452495][ T7704] netdev_get_by_index+0x5e/0x80 [ 2706.452495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2706.452495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2706.452495][ T7704] ip6_route_add+0x1c/0x140 [ 2706.452495][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2706.452495][ T7704] addrconf_add_dev+0xe2/0x170 [ 2706.452495][ T7704] inet6_addr_add+0x12f/0xa40 [ 2706.452495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.452495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.452495][ T7704] netlink_rcv_skb+0x130/0x360 [ 2706.452495][ T7704] netlink_unicast+0x449/0x710 [ 2706.452495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2706.452495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2706.452495][ T7704] ___sys_sendmsg+0xee/0x170 [ 2706.452495][ T7704] __sys_sendmsg+0xcd/0x170 [ 2706.452495][ T7704] do_syscall_64+0xc6/0x1e0 [ 2706.452495][ T7704] [ 2706.455097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2706.455097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2706.455097][ T7704] ipv6_find_idev+0x102/0x170 [ 2706.455097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.455097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.455097][ T7704] netlink_rcv_skb+0x130/0x360 [ 2706.455097][ T7704] netlink_unicast+0x449/0x710 [ 2706.455097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2706.455097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2706.455097][ T7704] ___sys_sendmsg+0xee/0x170 [ 2706.455097][ T7704] __sys_sendmsg+0xcd/0x170 [ 2706.455097][ T7704] do_syscall_64+0xc6/0x1e0 [ 2706.455097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.455097][ T7704] [ 2706.456823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2706.456823][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2706.456823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2706.456823][ T7704] ipv6_find_idev+0x102/0x170 [ 2706.456823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.456823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.456823][ T7704] netlink_rcv_skb+0x130/0x360 [ 2706.456823][ T7704] netlink_unicast+0x449/0x710 [ 2706.456823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2706.456823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2706.456823][ T7704] ___sys_sendmsg+0xee/0x170 [ 2706.456823][ T7704] __sys_sendmsg+0xcd/0x170 [ 2706.456823][ T7704] do_syscall_64+0xc6/0x1e0 [ 2706.456823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.456823][ T7704] [ 2716.654958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2716.655497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2716.655497][ T7704] netdev_get_by_index+0x5e/0x80 [ 2716.655497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2716.655497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2716.655497][ T7704] ip6_route_add+0x1c/0x140 [ 2716.655497][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2716.655497][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2716.655497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.655497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.655497][ T7704] netlink_rcv_skb+0x130/0x360 [ 2716.655497][ T7704] netlink_unicast+0x449/0x710 [ 2716.655497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2716.655497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2716.655497][ T7704] ___sys_sendmsg+0xee/0x170 [ 2716.655497][ T7704] __sys_sendmsg+0xcd/0x170 [ 2716.655497][ T7704] do_syscall_64+0xc6/0x1e0 [ 2716.655497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.655497][ T7704] [ 2716.657780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2716.657780][ T7704] netdev_get_by_index+0x5e/0x80 [ 2716.657780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2716.657780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2716.657780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2716.657780][ T7704] ipv6_add_addr+0x411/0x2000 [ 2716.657780][ T7704] inet6_addr_add+0x30e/0xa40 [ 2716.657780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.657780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.657780][ T7704] netlink_rcv_skb+0x130/0x360 [ 2716.657780][ T7704] netlink_unicast+0x449/0x710 [ 2716.657780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2716.657780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2716.657780][ T7704] ___sys_sendmsg+0xee/0x170 [ 2716.657780][ T7704] __sys_sendmsg+0xcd/0x170 [ 2716.657780][ T7704] do_syscall_64+0xc6/0x1e0 [ 2716.657780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.657780][ T7704] [ 2716.660024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2716.660024][ T7704] netdev_get_by_index+0x5e/0x80 [ 2716.660024][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2716.660024][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2716.660024][ T7704] ip6_route_add+0x1c/0x140 [ 2716.660024][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2716.660024][ T7704] addrconf_add_dev+0xe2/0x170 [ 2716.660024][ T7704] inet6_addr_add+0x12f/0xa40 [ 2716.660024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.660024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.660024][ T7704] netlink_rcv_skb+0x130/0x360 [ 2716.660024][ T7704] netlink_unicast+0x449/0x710 [ 2716.660024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2716.660024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2716.660024][ T7704] ___sys_sendmsg+0xee/0x170 [ 2716.660024][ T7704] __sys_sendmsg+0xcd/0x170 [ 2716.660024][ T7704] do_syscall_64+0xc6/0x1e0 [ 2716.660024][ T7704] [ 2716.662240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2716.662240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2716.662240][ T7704] ipv6_find_idev+0x102/0x170 [ 2716.662240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2716.662240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.662240][ T7704] netlink_rcv_skb+0x130/0x360 [ 2716.662240][ T7704] netlink_unicast+0x449/0x710 [ 2716.662240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2716.662240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2716.662240][ T7704] ___sys_sendmsg+0xee/0x170 [ 2716.662240][ T7704] __sys_sendmsg+0xcd/0x170 [ 2716.662240][ T7704] do_syscall_64+0xc6/0x1e0 [ 2716.662240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.662240][ T7704] [ 2716.663968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2716.663968][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2716.663968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2716.663968][ T7704] ipv6_find_idev+0x102/0x170 [ 2716.663968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2716.663968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.663968][ T7704] netlink_rcv_skb+0x130/0x360 [ 2716.663968][ T7704] netlink_unicast+0x449/0x710 [ 2716.663968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2716.663968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2716.663968][ T7704] ___sys_sendmsg+0xee/0x170 [ 2716.663968][ T7704] __sys_sendmsg+0xcd/0x170 [ 2716.663968][ T7704] do_syscall_64+0xc6/0x1e0 [ 2716.663968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.663968][ T7704] [ 2726.703006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2726.703464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2726.703464][ T7704] netdev_get_by_index+0x5e/0x80 [ 2726.703464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2726.703464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2726.703464][ T7704] ip6_route_add+0x1c/0x140 [ 2726.703464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2726.703464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2726.703464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.703464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.703464][ T7704] netlink_rcv_skb+0x130/0x360 [ 2726.703464][ T7704] netlink_unicast+0x449/0x710 [ 2726.703464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2726.703464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2726.703464][ T7704] ___sys_sendmsg+0xee/0x170 [ 2726.703464][ T7704] __sys_sendmsg+0xcd/0x170 [ 2726.703464][ T7704] do_syscall_64+0xc6/0x1e0 [ 2726.703464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.703464][ T7704] [ 2726.705766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2726.705766][ T7704] netdev_get_by_index+0x5e/0x80 [ 2726.705766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2726.705766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2726.705766][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2726.705766][ T7704] ipv6_add_addr+0x411/0x2000 [ 2726.705766][ T7704] inet6_addr_add+0x30e/0xa40 [ 2726.705766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.705766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.705766][ T7704] netlink_rcv_skb+0x130/0x360 [ 2726.705766][ T7704] netlink_unicast+0x449/0x710 [ 2726.705766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2726.705766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2726.705766][ T7704] ___sys_sendmsg+0xee/0x170 [ 2726.705766][ T7704] __sys_sendmsg+0xcd/0x170 [ 2726.705766][ T7704] do_syscall_64+0xc6/0x1e0 [ 2726.705766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.705766][ T7704] [ 2726.708045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2726.708045][ T7704] netdev_get_by_index+0x5e/0x80 [ 2726.708045][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2726.708045][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2726.708045][ T7704] ip6_route_add+0x1c/0x140 [ 2726.708045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2726.708045][ T7704] addrconf_add_dev+0xe2/0x170 [ 2726.708045][ T7704] inet6_addr_add+0x12f/0xa40 [ 2726.708045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.708045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.708045][ T7704] netlink_rcv_skb+0x130/0x360 [ 2726.708045][ T7704] netlink_unicast+0x449/0x710 [ 2726.708045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2726.708045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2726.708045][ T7704] ___sys_sendmsg+0xee/0x170 [ 2726.708045][ T7704] __sys_sendmsg+0xcd/0x170 [ 2726.708045][ T7704] do_syscall_64+0xc6/0x1e0 [ 2726.708045][ T7704] [ 2726.710284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2726.710284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2726.710284][ T7704] ipv6_find_idev+0x102/0x170 [ 2726.710284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2726.710284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.710284][ T7704] netlink_rcv_skb+0x130/0x360 [ 2726.710284][ T7704] netlink_unicast+0x449/0x710 [ 2726.710284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2726.710284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2726.710284][ T7704] ___sys_sendmsg+0xee/0x170 [ 2726.710284][ T7704] __sys_sendmsg+0xcd/0x170 [ 2726.710284][ T7704] do_syscall_64+0xc6/0x1e0 [ 2726.710284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.710284][ T7704] [ 2726.712035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2726.712035][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2726.712035][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2726.712035][ T7704] ipv6_find_idev+0x102/0x170 [ 2726.712035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2726.712035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.712035][ T7704] netlink_rcv_skb+0x130/0x360 [ 2726.712035][ T7704] netlink_unicast+0x449/0x710 [ 2726.712035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2726.712035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2726.712035][ T7704] ___sys_sendmsg+0xee/0x170 [ 2726.712035][ T7704] __sys_sendmsg+0xcd/0x170 [ 2726.712035][ T7704] do_syscall_64+0xc6/0x1e0 [ 2726.712035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.712035][ T7704] [ 2736.950995][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2736.951515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2736.951515][ T7704] netdev_get_by_index+0x5e/0x80 [ 2736.951515][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2736.951515][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2736.951515][ T7704] ip6_route_add+0x1c/0x140 [ 2736.951515][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2736.951515][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2736.951515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.951515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.951515][ T7704] netlink_rcv_skb+0x130/0x360 [ 2736.951515][ T7704] netlink_unicast+0x449/0x710 [ 2736.951515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2736.951515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2736.951515][ T7704] ___sys_sendmsg+0xee/0x170 [ 2736.951515][ T7704] __sys_sendmsg+0xcd/0x170 [ 2736.951515][ T7704] do_syscall_64+0xc6/0x1e0 [ 2736.951515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.951515][ T7704] [ 2736.953779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2736.953779][ T7704] netdev_get_by_index+0x5e/0x80 [ 2736.953779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2736.953779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2736.953779][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2736.953779][ T7704] ipv6_add_addr+0x411/0x2000 [ 2736.953779][ T7704] inet6_addr_add+0x30e/0xa40 [ 2736.953779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.953779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.953779][ T7704] netlink_rcv_skb+0x130/0x360 [ 2736.953779][ T7704] netlink_unicast+0x449/0x710 [ 2736.953779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2736.953779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2736.953779][ T7704] ___sys_sendmsg+0xee/0x170 [ 2736.953779][ T7704] __sys_sendmsg+0xcd/0x170 [ 2736.953779][ T7704] do_syscall_64+0xc6/0x1e0 [ 2736.953779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.953779][ T7704] [ 2736.956035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2736.956035][ T7704] netdev_get_by_index+0x5e/0x80 [ 2736.956035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2736.956035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2736.956035][ T7704] ip6_route_add+0x1c/0x140 [ 2736.956035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2736.956035][ T7704] addrconf_add_dev+0xe2/0x170 [ 2736.956035][ T7704] inet6_addr_add+0x12f/0xa40 [ 2736.956035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.956035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.956035][ T7704] netlink_rcv_skb+0x130/0x360 [ 2736.956035][ T7704] netlink_unicast+0x449/0x710 [ 2736.956035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2736.956035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2736.956035][ T7704] ___sys_sendmsg+0xee/0x170 [ 2736.956035][ T7704] __sys_sendmsg+0xcd/0x170 [ 2736.956035][ T7704] do_syscall_64+0xc6/0x1e0 [ 2736.956035][ T7704] [ 2736.958234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2736.958234][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2736.958234][ T7704] ipv6_find_idev+0x102/0x170 [ 2736.958234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.958234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.958234][ T7704] netlink_rcv_skb+0x130/0x360 [ 2736.958234][ T7704] netlink_unicast+0x449/0x710 [ 2736.958234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2736.958234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2736.958234][ T7704] ___sys_sendmsg+0xee/0x170 [ 2736.958234][ T7704] __sys_sendmsg+0xcd/0x170 [ 2736.958234][ T7704] do_syscall_64+0xc6/0x1e0 [ 2736.958234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.958234][ T7704] [ 2736.960062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2736.960062][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2736.960062][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2736.960062][ T7704] ipv6_find_idev+0x102/0x170 [ 2736.960062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.960062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.960062][ T7704] netlink_rcv_skb+0x130/0x360 [ 2736.960062][ T7704] netlink_unicast+0x449/0x710 [ 2736.960062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2736.960062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2736.960062][ T7704] ___sys_sendmsg+0xee/0x170 [ 2736.960062][ T7704] __sys_sendmsg+0xcd/0x170 [ 2736.960062][ T7704] do_syscall_64+0xc6/0x1e0 [ 2736.960062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.960062][ T7704] [ 2747.198968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2747.199463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2747.199463][ T7704] netdev_get_by_index+0x5e/0x80 [ 2747.199463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2747.199463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2747.199463][ T7704] ip6_route_add+0x1c/0x140 [ 2747.199463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2747.199463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2747.199463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.199463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.199463][ T7704] netlink_rcv_skb+0x130/0x360 [ 2747.199463][ T7704] netlink_unicast+0x449/0x710 [ 2747.199463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2747.199463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2747.199463][ T7704] ___sys_sendmsg+0xee/0x170 [ 2747.199463][ T7704] __sys_sendmsg+0xcd/0x170 [ 2747.199463][ T7704] do_syscall_64+0xc6/0x1e0 [ 2747.199463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.199463][ T7704] [ 2747.201926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2747.201926][ T7704] netdev_get_by_index+0x5e/0x80 [ 2747.201926][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2747.201926][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2747.201926][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2747.201926][ T7704] ipv6_add_addr+0x411/0x2000 [ 2747.201926][ T7704] inet6_addr_add+0x30e/0xa40 [ 2747.201926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.201926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.201926][ T7704] netlink_rcv_skb+0x130/0x360 [ 2747.201926][ T7704] netlink_unicast+0x449/0x710 [ 2747.201926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2747.201926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2747.201926][ T7704] ___sys_sendmsg+0xee/0x170 [ 2747.201926][ T7704] __sys_sendmsg+0xcd/0x170 [ 2747.201926][ T7704] do_syscall_64+0xc6/0x1e0 [ 2747.201926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.201926][ T7704] [ 2747.204345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2747.204345][ T7704] netdev_get_by_index+0x5e/0x80 [ 2747.204345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2747.204345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2747.204345][ T7704] ip6_route_add+0x1c/0x140 [ 2747.204345][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2747.204345][ T7704] addrconf_add_dev+0xe2/0x170 [ 2747.204345][ T7704] inet6_addr_add+0x12f/0xa40 [ 2747.204345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.204345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.204345][ T7704] netlink_rcv_skb+0x130/0x360 [ 2747.204345][ T7704] netlink_unicast+0x449/0x710 [ 2747.204345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2747.204345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2747.204345][ T7704] ___sys_sendmsg+0xee/0x170 [ 2747.204345][ T7704] __sys_sendmsg+0xcd/0x170 [ 2747.204345][ T7704] do_syscall_64+0xc6/0x1e0 [ 2747.204345][ T7704] [ 2747.206750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2747.206750][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2747.206750][ T7704] ipv6_find_idev+0x102/0x170 [ 2747.206750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.206750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.206750][ T7704] netlink_rcv_skb+0x130/0x360 [ 2747.206750][ T7704] netlink_unicast+0x449/0x710 [ 2747.206750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2747.206750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2747.206750][ T7704] ___sys_sendmsg+0xee/0x170 [ 2747.206750][ T7704] __sys_sendmsg+0xcd/0x170 [ 2747.206750][ T7704] do_syscall_64+0xc6/0x1e0 [ 2747.206750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.206750][ T7704] [ 2747.208611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2747.208611][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2747.208611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2747.208611][ T7704] ipv6_find_idev+0x102/0x170 [ 2747.208611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.208611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.208611][ T7704] netlink_rcv_skb+0x130/0x360 [ 2747.208611][ T7704] netlink_unicast+0x449/0x710 [ 2747.208611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2747.208611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2747.208611][ T7704] ___sys_sendmsg+0xee/0x170 [ 2747.208611][ T7704] __sys_sendmsg+0xcd/0x170 [ 2747.208611][ T7704] do_syscall_64+0xc6/0x1e0 [ 2747.208611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.208611][ T7704] [ 2757.446960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2757.447484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2757.447484][ T7704] netdev_get_by_index+0x5e/0x80 [ 2757.447484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2757.447484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2757.447484][ T7704] ip6_route_add+0x1c/0x140 [ 2757.447484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2757.447484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2757.447484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2757.447484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.447484][ T7704] netlink_rcv_skb+0x130/0x360 [ 2757.447484][ T7704] netlink_unicast+0x449/0x710 [ 2757.447484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2757.447484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2757.447484][ T7704] ___sys_sendmsg+0xee/0x170 [ 2757.447484][ T7704] __sys_sendmsg+0xcd/0x170 [ 2757.447484][ T7704] do_syscall_64+0xc6/0x1e0 [ 2757.447484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.447484][ T7704] [ 2757.449729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2757.449729][ T7704] netdev_get_by_index+0x5e/0x80 [ 2757.449729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2757.449729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2757.449729][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2757.449729][ T7704] ipv6_add_addr+0x411/0x2000 [ 2757.449729][ T7704] inet6_addr_add+0x30e/0xa40 [ 2757.449729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2757.449729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.449729][ T7704] netlink_rcv_skb+0x130/0x360 [ 2757.449729][ T7704] netlink_unicast+0x449/0x710 [ 2757.449729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2757.449729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2757.449729][ T7704] ___sys_sendmsg+0xee/0x170 [ 2757.449729][ T7704] __sys_sendmsg+0xcd/0x170 [ 2757.449729][ T7704] do_syscall_64+0xc6/0x1e0 [ 2757.449729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.449729][ T7704] [ 2757.451955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2757.451955][ T7704] netdev_get_by_index+0x5e/0x80 [ 2757.451955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2757.451955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2757.451955][ T7704] ip6_route_add+0x1c/0x140 [ 2757.451955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2757.451955][ T7704] addrconf_add_dev+0xe2/0x170 [ 2757.451955][ T7704] inet6_addr_add+0x12f/0xa40 [ 2757.451955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2757.451955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.451955][ T7704] netlink_rcv_skb+0x130/0x360 [ 2757.451955][ T7704] netlink_unicast+0x449/0x710 [ 2757.451955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2757.451955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2757.451955][ T7704] ___sys_sendmsg+0xee/0x170 [ 2757.451955][ T7704] __sys_sendmsg+0xcd/0x170 [ 2757.451955][ T7704] do_syscall_64+0xc6/0x1e0 [ 2757.451955][ T7704] [ 2757.454140][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2757.454140][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2757.454140][ T7704] ipv6_find_idev+0x102/0x170 [ 2757.454140][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2757.454140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.454140][ T7704] netlink_rcv_skb+0x130/0x360 [ 2757.454140][ T7704] netlink_unicast+0x449/0x710 [ 2757.454140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2757.454140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2757.454140][ T7704] ___sys_sendmsg+0xee/0x170 [ 2757.454140][ T7704] __sys_sendmsg+0xcd/0x170 [ 2757.454140][ T7704] do_syscall_64+0xc6/0x1e0 [ 2757.454140][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.454140][ T7704] [ 2757.455860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2757.455860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2757.455860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2757.455860][ T7704] ipv6_find_idev+0x102/0x170 [ 2757.455860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2757.455860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.455860][ T7704] netlink_rcv_skb+0x130/0x360 [ 2757.455860][ T7704] netlink_unicast+0x449/0x710 [ 2757.455860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2757.455860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2757.455860][ T7704] ___sys_sendmsg+0xee/0x170 [ 2757.455860][ T7704] __sys_sendmsg+0xcd/0x170 [ 2757.455860][ T7704] do_syscall_64+0xc6/0x1e0 [ 2757.455860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.455860][ T7704] [ 2767.518999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2767.519465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2767.519465][ T7704] netdev_get_by_index+0x5e/0x80 [ 2767.519465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2767.519465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2767.519465][ T7704] ip6_route_add+0x1c/0x140 [ 2767.519465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2767.519465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2767.519465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.519465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.519465][ T7704] netlink_rcv_skb+0x130/0x360 [ 2767.519465][ T7704] netlink_unicast+0x449/0x710 [ 2767.519465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2767.519465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2767.519465][ T7704] ___sys_sendmsg+0xee/0x170 [ 2767.519465][ T7704] __sys_sendmsg+0xcd/0x170 [ 2767.519465][ T7704] do_syscall_64+0xc6/0x1e0 [ 2767.519465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.519465][ T7704] [ 2767.521704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2767.521704][ T7704] netdev_get_by_index+0x5e/0x80 [ 2767.521704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2767.521704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2767.521704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2767.521704][ T7704] ipv6_add_addr+0x411/0x2000 [ 2767.521704][ T7704] inet6_addr_add+0x30e/0xa40 [ 2767.521704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.521704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.521704][ T7704] netlink_rcv_skb+0x130/0x360 [ 2767.521704][ T7704] netlink_unicast+0x449/0x710 [ 2767.521704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2767.521704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2767.521704][ T7704] ___sys_sendmsg+0xee/0x170 [ 2767.521704][ T7704] __sys_sendmsg+0xcd/0x170 [ 2767.521704][ T7704] do_syscall_64+0xc6/0x1e0 [ 2767.521704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.521704][ T7704] [ 2767.523928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2767.523928][ T7704] netdev_get_by_index+0x5e/0x80 [ 2767.523928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2767.523928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2767.523928][ T7704] ip6_route_add+0x1c/0x140 [ 2767.523928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2767.523928][ T7704] addrconf_add_dev+0xe2/0x170 [ 2767.523928][ T7704] inet6_addr_add+0x12f/0xa40 [ 2767.523928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.523928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.523928][ T7704] netlink_rcv_skb+0x130/0x360 [ 2767.523928][ T7704] netlink_unicast+0x449/0x710 [ 2767.523928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2767.523928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2767.523928][ T7704] ___sys_sendmsg+0xee/0x170 [ 2767.523928][ T7704] __sys_sendmsg+0xcd/0x170 [ 2767.523928][ T7704] do_syscall_64+0xc6/0x1e0 [ 2767.523928][ T7704] [ 2767.526130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2767.526130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2767.526130][ T7704] ipv6_find_idev+0x102/0x170 [ 2767.526130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2767.526130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.526130][ T7704] netlink_rcv_skb+0x130/0x360 [ 2767.526130][ T7704] netlink_unicast+0x449/0x710 [ 2767.526130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2767.526130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2767.526130][ T7704] ___sys_sendmsg+0xee/0x170 [ 2767.526130][ T7704] __sys_sendmsg+0xcd/0x170 [ 2767.526130][ T7704] do_syscall_64+0xc6/0x1e0 [ 2767.526130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.526130][ T7704] [ 2767.527858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2767.527858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2767.527858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2767.527858][ T7704] ipv6_find_idev+0x102/0x170 [ 2767.527858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2767.527858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.527858][ T7704] netlink_rcv_skb+0x130/0x360 [ 2767.527858][ T7704] netlink_unicast+0x449/0x710 [ 2767.527858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2767.527858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2767.527858][ T7704] ___sys_sendmsg+0xee/0x170 [ 2767.527858][ T7704] __sys_sendmsg+0xcd/0x170 [ 2767.527858][ T7704] do_syscall_64+0xc6/0x1e0 [ 2767.527858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.527858][ T7704] [ 2777.766948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2777.767398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2777.767398][ T7704] netdev_get_by_index+0x5e/0x80 [ 2777.767398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2777.767398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2777.767398][ T7704] ip6_route_add+0x1c/0x140 [ 2777.767398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2777.767398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2777.767398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.767398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.767398][ T7704] netlink_rcv_skb+0x130/0x360 [ 2777.767398][ T7704] netlink_unicast+0x449/0x710 [ 2777.767398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2777.767398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2777.767398][ T7704] ___sys_sendmsg+0xee/0x170 [ 2777.767398][ T7704] __sys_sendmsg+0xcd/0x170 [ 2777.767398][ T7704] do_syscall_64+0xc6/0x1e0 [ 2777.767398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.767398][ T7704] [ 2777.769644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2777.769644][ T7704] netdev_get_by_index+0x5e/0x80 [ 2777.769644][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2777.769644][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2777.769644][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2777.769644][ T7704] ipv6_add_addr+0x411/0x2000 [ 2777.769644][ T7704] inet6_addr_add+0x30e/0xa40 [ 2777.769644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.769644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.769644][ T7704] netlink_rcv_skb+0x130/0x360 [ 2777.769644][ T7704] netlink_unicast+0x449/0x710 [ 2777.769644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2777.769644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2777.769644][ T7704] ___sys_sendmsg+0xee/0x170 [ 2777.769644][ T7704] __sys_sendmsg+0xcd/0x170 [ 2777.769644][ T7704] do_syscall_64+0xc6/0x1e0 [ 2777.769644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.769644][ T7704] [ 2777.771865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2777.771865][ T7704] netdev_get_by_index+0x5e/0x80 [ 2777.771865][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2777.771865][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2777.771865][ T7704] ip6_route_add+0x1c/0x140 [ 2777.771865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2777.771865][ T7704] addrconf_add_dev+0xe2/0x170 [ 2777.771865][ T7704] inet6_addr_add+0x12f/0xa40 [ 2777.771865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.771865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.771865][ T7704] netlink_rcv_skb+0x130/0x360 [ 2777.771865][ T7704] netlink_unicast+0x449/0x710 [ 2777.771865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2777.771865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2777.771865][ T7704] ___sys_sendmsg+0xee/0x170 [ 2777.771865][ T7704] __sys_sendmsg+0xcd/0x170 [ 2777.771865][ T7704] do_syscall_64+0xc6/0x1e0 [ 2777.771865][ T7704] [ 2777.774051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2777.774051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2777.774051][ T7704] ipv6_find_idev+0x102/0x170 [ 2777.774051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.774051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.774051][ T7704] netlink_rcv_skb+0x130/0x360 [ 2777.774051][ T7704] netlink_unicast+0x449/0x710 [ 2777.774051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2777.774051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2777.774051][ T7704] ___sys_sendmsg+0xee/0x170 [ 2777.774051][ T7704] __sys_sendmsg+0xcd/0x170 [ 2777.774051][ T7704] do_syscall_64+0xc6/0x1e0 [ 2777.774051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.774051][ T7704] [ 2777.775775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2777.775775][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2777.775775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2777.775775][ T7704] ipv6_find_idev+0x102/0x170 [ 2777.775775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.775775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.775775][ T7704] netlink_rcv_skb+0x130/0x360 [ 2777.775775][ T7704] netlink_unicast+0x449/0x710 [ 2777.775775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2777.775775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2777.775775][ T7704] ___sys_sendmsg+0xee/0x170 [ 2777.775775][ T7704] __sys_sendmsg+0xcd/0x170 [ 2777.775775][ T7704] do_syscall_64+0xc6/0x1e0 [ 2777.775775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.775775][ T7704] [ 2788.014962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2788.015420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2788.015420][ T7704] netdev_get_by_index+0x5e/0x80 [ 2788.015420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2788.015420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2788.015420][ T7704] ip6_route_add+0x1c/0x140 [ 2788.015420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2788.015420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2788.015420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2788.015420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2788.015420][ T7704] netlink_rcv_skb+0x130/0x360 [ 2788.015420][ T7704] netlink_unicast+0x449/0x710 [ 2788.015420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2788.015420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2788.015420][ T7704] ___sys_sendmsg+0xee/0x170 [ 2788.015420][ T7704] __sys_sendmsg+0xcd/0x170 [ 2788.015420][ T7704] do_syscall_64+0xc6/0x1e0 [ 2788.015420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2788.015420][ T7704] [ 2788.017680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2788.017680][ T7704] netdev_get_by_index+0x5e/0x80 [ 2788.017680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2788.017680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2788.017680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2788.017680][ T7704] ipv6_add_addr+0x411/0x2000 [ 2788.017680][ T7704] inet6_addr_add+0x30e/0xa40 [ 2788.017680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2788.017680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2788.017680][ T7704] netlink_rcv_skb+0x130/0x360 [ 2788.017680][ T7704] netlink_unicast+0x449/0x710 [ 2788.017680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2788.017680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2788.017680][ T7704] ___sys_sendmsg+0xee/0x170 [ 2788.017680][ T7704] __sys_sendmsg+0xcd/0x170 [ 2788.017680][ T7704] do_syscall_64+0xc6/0x1e0 [ 2788.017680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2788.017680][ T7704] [ 2788.019900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2788.019900][ T7704] netdev_get_by_index+0x5e/0x80 [ 2788.019900][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2788.019900][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2788.019900][ T7704] ip6_route_add+0x1c/0x140 [ 2788.019900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2788.019900][ T7704] addrconf_add_dev+0xe2/0x170 [ 2788.019900][ T7704] inet6_addr_add+0x12f/0xa40 [ 2788.019900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2788.019900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2788.019900][ T7704] netlink_rcv_skb+0x130/0x360 [ 2788.019900][ T7704] netlink_unicast+0x449/0x710 [ 2788.019900][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2788.019900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2788.019900][ T7704] ___sys_sendmsg+0xee/0x170 [ 2788.019900][ T7704] __sys_sendmsg+0xcd/0x170 [ 2788.019900][ T7704] do_syscall_64+0xc6/0x1e0 [ 2788.019900][ T7704] [ 2788.022095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2788.022095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2788.022095][ T7704] ipv6_find_idev+0x102/0x170 [ 2788.022095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2788.022095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2788.022095][ T7704] netlink_rcv_skb+0x130/0x360 [ 2788.022095][ T7704] netlink_unicast+0x449/0x710 [ 2788.022095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2788.022095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2788.022095][ T7704] ___sys_sendmsg+0xee/0x170 [ 2788.022095][ T7704] __sys_sendmsg+0xcd/0x170 [ 2788.022095][ T7704] do_syscall_64+0xc6/0x1e0 [ 2788.022095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2788.022095][ T7704] [ 2788.023803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2788.023803][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2788.023803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2788.023803][ T7704] ipv6_find_idev+0x102/0x170 [ 2788.023803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2788.023803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2788.023803][ T7704] netlink_rcv_skb+0x130/0x360 [ 2788.023803][ T7704] netlink_unicast+0x449/0x710 [ 2788.023803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2788.023803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2788.023803][ T7704] ___sys_sendmsg+0xee/0x170 [ 2788.023803][ T7704] __sys_sendmsg+0xcd/0x170 [ 2788.023803][ T7704] do_syscall_64+0xc6/0x1e0 [ 2788.023803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2788.023803][ T7704] [ 2798.262912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2798.263451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2798.263451][ T7704] netdev_get_by_index+0x5e/0x80 [ 2798.263451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2798.263451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2798.263451][ T7704] ip6_route_add+0x1c/0x140 [ 2798.263451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2798.263451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2798.263451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2798.263451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2798.263451][ T7704] netlink_rcv_skb+0x130/0x360 [ 2798.263451][ T7704] netlink_unicast+0x449/0x710 [ 2798.263451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2798.263451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2798.263451][ T7704] ___sys_sendmsg+0xee/0x170 [ 2798.263451][ T7704] __sys_sendmsg+0xcd/0x170 [ 2798.263451][ T7704] do_syscall_64+0xc6/0x1e0 [ 2798.263451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2798.263451][ T7704] [ 2798.265706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2798.265706][ T7704] netdev_get_by_index+0x5e/0x80 [ 2798.265706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2798.265706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2798.265706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2798.265706][ T7704] ipv6_add_addr+0x411/0x2000 [ 2798.265706][ T7704] inet6_addr_add+0x30e/0xa40 [ 2798.265706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2798.265706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2798.265706][ T7704] netlink_rcv_skb+0x130/0x360 [ 2798.265706][ T7704] netlink_unicast+0x449/0x710 [ 2798.265706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2798.265706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2798.265706][ T7704] ___sys_sendmsg+0xee/0x170 [ 2798.265706][ T7704] __sys_sendmsg+0xcd/0x170 [ 2798.265706][ T7704] do_syscall_64+0xc6/0x1e0 [ 2798.265706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2798.265706][ T7704] [ 2798.268479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2798.268479][ T7704] netdev_get_by_index+0x5e/0x80 [ 2798.268479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2798.268479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2798.268479][ T7704] ip6_route_add+0x1c/0x140 [ 2798.268479][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2798.268479][ T7704] addrconf_add_dev+0xe2/0x170 [ 2798.268479][ T7704] inet6_addr_add+0x12f/0xa40 [ 2798.268479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2798.268479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2798.268479][ T7704] netlink_rcv_skb+0x130/0x360 [ 2798.268479][ T7704] netlink_unicast+0x449/0x710 [ 2798.268479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2798.268479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2798.268479][ T7704] ___sys_sendmsg+0xee/0x170 [ 2798.268479][ T7704] __sys_sendmsg+0xcd/0x170 [ 2798.268479][ T7704] do_syscall_64+0xc6/0x1e0 [ 2798.268479][ T7704] [ 2798.270663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2798.270663][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2798.270663][ T7704] ipv6_find_idev+0x102/0x170 [ 2798.270663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2798.270663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2798.270663][ T7704] netlink_rcv_skb+0x130/0x360 [ 2798.270663][ T7704] netlink_unicast+0x449/0x710 [ 2798.270663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2798.270663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2798.270663][ T7704] ___sys_sendmsg+0xee/0x170 [ 2798.270663][ T7704] __sys_sendmsg+0xcd/0x170 [ 2798.270663][ T7704] do_syscall_64+0xc6/0x1e0 [ 2798.270663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2798.270663][ T7704] [ 2798.272370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2798.272370][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2798.272370][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2798.272370][ T7704] ipv6_find_idev+0x102/0x170 [ 2798.272370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2798.272370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2798.272370][ T7704] netlink_rcv_skb+0x130/0x360 [ 2798.272370][ T7704] netlink_unicast+0x449/0x710 [ 2798.272370][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2798.272370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2798.272370][ T7704] ___sys_sendmsg+0xee/0x170 [ 2798.272370][ T7704] __sys_sendmsg+0xcd/0x170 [ 2798.272370][ T7704] do_syscall_64+0xc6/0x1e0 [ 2798.272370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2798.272370][ T7704] [ 2808.519022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2808.519474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2808.519474][ T7704] netdev_get_by_index+0x5e/0x80 [ 2808.519474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2808.519474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2808.519474][ T7704] ip6_route_add+0x1c/0x140 [ 2808.519474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2808.519474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2808.519474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2808.519474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2808.519474][ T7704] netlink_rcv_skb+0x130/0x360 [ 2808.519474][ T7704] netlink_unicast+0x449/0x710 [ 2808.519474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2808.519474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2808.519474][ T7704] ___sys_sendmsg+0xee/0x170 [ 2808.519474][ T7704] __sys_sendmsg+0xcd/0x170 [ 2808.519474][ T7704] do_syscall_64+0xc6/0x1e0 [ 2808.519474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2808.519474][ T7704] [ 2808.521723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2808.521723][ T7704] netdev_get_by_index+0x5e/0x80 [ 2808.521723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2808.521723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2808.521723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2808.521723][ T7704] ipv6_add_addr+0x411/0x2000 [ 2808.521723][ T7704] inet6_addr_add+0x30e/0xa40 [ 2808.521723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2808.521723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2808.521723][ T7704] netlink_rcv_skb+0x130/0x360 [ 2808.521723][ T7704] netlink_unicast+0x449/0x710 [ 2808.521723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2808.521723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2808.521723][ T7704] ___sys_sendmsg+0xee/0x170 [ 2808.521723][ T7704] __sys_sendmsg+0xcd/0x170 [ 2808.521723][ T7704] do_syscall_64+0xc6/0x1e0 [ 2808.521723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2808.521723][ T7704] [ 2808.523945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2808.523945][ T7704] netdev_get_by_index+0x5e/0x80 [ 2808.523945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2808.523945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2808.523945][ T7704] ip6_route_add+0x1c/0x140 [ 2808.523945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2808.523945][ T7704] addrconf_add_dev+0xe2/0x170 [ 2808.523945][ T7704] inet6_addr_add+0x12f/0xa40 [ 2808.523945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2808.523945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2808.523945][ T7704] netlink_rcv_skb+0x130/0x360 [ 2808.523945][ T7704] netlink_unicast+0x449/0x710 [ 2808.523945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2808.523945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2808.523945][ T7704] ___sys_sendmsg+0xee/0x170 [ 2808.523945][ T7704] __sys_sendmsg+0xcd/0x170 [ 2808.523945][ T7704] do_syscall_64+0xc6/0x1e0 [ 2808.523945][ T7704] [ 2808.526126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2808.526126][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2808.526126][ T7704] ipv6_find_idev+0x102/0x170 [ 2808.526126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2808.526126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2808.526126][ T7704] netlink_rcv_skb+0x130/0x360 [ 2808.526126][ T7704] netlink_unicast+0x449/0x710 [ 2808.526126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2808.526126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2808.526126][ T7704] ___sys_sendmsg+0xee/0x170 [ 2808.526126][ T7704] __sys_sendmsg+0xcd/0x170 [ 2808.526126][ T7704] do_syscall_64+0xc6/0x1e0 [ 2808.526126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2808.526126][ T7704] [ 2808.527851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2808.527851][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2808.527851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2808.527851][ T7704] ipv6_find_idev+0x102/0x170 [ 2808.527851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2808.527851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2808.527851][ T7704] netlink_rcv_skb+0x130/0x360 [ 2808.527851][ T7704] netlink_unicast+0x449/0x710 [ 2808.527851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2808.527851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2808.527851][ T7704] ___sys_sendmsg+0xee/0x170 [ 2808.527851][ T7704] __sys_sendmsg+0xcd/0x170 [ 2808.527851][ T7704] do_syscall_64+0xc6/0x1e0 [ 2808.527851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2808.527851][ T7704] [ 2818.766952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2818.767403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2818.767403][ T7704] netdev_get_by_index+0x5e/0x80 [ 2818.767403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2818.767403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2818.767403][ T7704] ip6_route_add+0x1c/0x140 [ 2818.767403][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2818.767403][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2818.767403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.767403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.767403][ T7704] netlink_rcv_skb+0x130/0x360 [ 2818.767403][ T7704] netlink_unicast+0x449/0x710 [ 2818.767403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2818.767403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2818.767403][ T7704] ___sys_sendmsg+0xee/0x170 [ 2818.767403][ T7704] __sys_sendmsg+0xcd/0x170 [ 2818.767403][ T7704] do_syscall_64+0xc6/0x1e0 [ 2818.767403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.767403][ T7704] [ 2818.769704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2818.769704][ T7704] netdev_get_by_index+0x5e/0x80 [ 2818.769704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2818.769704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2818.769704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2818.769704][ T7704] ipv6_add_addr+0x411/0x2000 [ 2818.769704][ T7704] inet6_addr_add+0x30e/0xa40 [ 2818.769704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.769704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.769704][ T7704] netlink_rcv_skb+0x130/0x360 [ 2818.769704][ T7704] netlink_unicast+0x449/0x710 [ 2818.769704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2818.769704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2818.769704][ T7704] ___sys_sendmsg+0xee/0x170 [ 2818.769704][ T7704] __sys_sendmsg+0xcd/0x170 [ 2818.769704][ T7704] do_syscall_64+0xc6/0x1e0 [ 2818.769704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.769704][ T7704] [ 2818.771965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2818.771965][ T7704] netdev_get_by_index+0x5e/0x80 [ 2818.771965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2818.771965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2818.771965][ T7704] ip6_route_add+0x1c/0x140 [ 2818.771965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2818.771965][ T7704] addrconf_add_dev+0xe2/0x170 [ 2818.771965][ T7704] inet6_addr_add+0x12f/0xa40 [ 2818.771965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.771965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.771965][ T7704] netlink_rcv_skb+0x130/0x360 [ 2818.771965][ T7704] netlink_unicast+0x449/0x710 [ 2818.771965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2818.771965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2818.771965][ T7704] ___sys_sendmsg+0xee/0x170 [ 2818.771965][ T7704] __sys_sendmsg+0xcd/0x170 [ 2818.771965][ T7704] do_syscall_64+0xc6/0x1e0 [ 2818.771965][ T7704] [ 2818.774185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2818.774185][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2818.774185][ T7704] ipv6_find_idev+0x102/0x170 [ 2818.774185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2818.774185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.774185][ T7704] netlink_rcv_skb+0x130/0x360 [ 2818.774185][ T7704] netlink_unicast+0x449/0x710 [ 2818.774185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2818.774185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2818.774185][ T7704] ___sys_sendmsg+0xee/0x170 [ 2818.774185][ T7704] __sys_sendmsg+0xcd/0x170 [ 2818.774185][ T7704] do_syscall_64+0xc6/0x1e0 [ 2818.774185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.774185][ T7704] [ 2818.775888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2818.775888][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2818.775888][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2818.775888][ T7704] ipv6_find_idev+0x102/0x170 [ 2818.775888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2818.775888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.775888][ T7704] netlink_rcv_skb+0x130/0x360 [ 2818.775888][ T7704] netlink_unicast+0x449/0x710 [ 2818.775888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2818.775888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2818.775888][ T7704] ___sys_sendmsg+0xee/0x170 [ 2818.775888][ T7704] __sys_sendmsg+0xcd/0x170 [ 2818.775888][ T7704] do_syscall_64+0xc6/0x1e0 [ 2818.775888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.775888][ T7704] [ 2828.958956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2828.959535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2828.959535][ T7704] netdev_get_by_index+0x5e/0x80 [ 2828.959535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2828.959535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2828.959535][ T7704] ip6_route_add+0x1c/0x140 [ 2828.959535][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2828.959535][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2828.959535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.959535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.959535][ T7704] netlink_rcv_skb+0x130/0x360 [ 2828.959535][ T7704] netlink_unicast+0x449/0x710 [ 2828.959535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2828.959535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2828.959535][ T7704] ___sys_sendmsg+0xee/0x170 [ 2828.959535][ T7704] __sys_sendmsg+0xcd/0x170 [ 2828.959535][ T7704] do_syscall_64+0xc6/0x1e0 [ 2828.959535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.959535][ T7704] [ 2828.961881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2828.961881][ T7704] netdev_get_by_index+0x5e/0x80 [ 2828.961881][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2828.961881][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2828.961881][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2828.961881][ T7704] ipv6_add_addr+0x411/0x2000 [ 2828.961881][ T7704] inet6_addr_add+0x30e/0xa40 [ 2828.961881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.961881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.961881][ T7704] netlink_rcv_skb+0x130/0x360 [ 2828.961881][ T7704] netlink_unicast+0x449/0x710 [ 2828.961881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2828.961881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2828.961881][ T7704] ___sys_sendmsg+0xee/0x170 [ 2828.961881][ T7704] __sys_sendmsg+0xcd/0x170 [ 2828.961881][ T7704] do_syscall_64+0xc6/0x1e0 [ 2828.961881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.961881][ T7704] [ 2828.964107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2828.964107][ T7704] netdev_get_by_index+0x5e/0x80 [ 2828.964107][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2828.964107][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2828.964107][ T7704] ip6_route_add+0x1c/0x140 [ 2828.964107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2828.964107][ T7704] addrconf_add_dev+0xe2/0x170 [ 2828.964107][ T7704] inet6_addr_add+0x12f/0xa40 [ 2828.964107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.964107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.964107][ T7704] netlink_rcv_skb+0x130/0x360 [ 2828.964107][ T7704] netlink_unicast+0x449/0x710 [ 2828.964107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2828.964107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2828.964107][ T7704] ___sys_sendmsg+0xee/0x170 [ 2828.964107][ T7704] __sys_sendmsg+0xcd/0x170 [ 2828.964107][ T7704] do_syscall_64+0xc6/0x1e0 [ 2828.964107][ T7704] [ 2828.966316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2828.966316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2828.966316][ T7704] ipv6_find_idev+0x102/0x170 [ 2828.966316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.966316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.966316][ T7704] netlink_rcv_skb+0x130/0x360 [ 2828.966316][ T7704] netlink_unicast+0x449/0x710 [ 2828.966316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2828.966316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2828.966316][ T7704] ___sys_sendmsg+0xee/0x170 [ 2828.966316][ T7704] __sys_sendmsg+0xcd/0x170 [ 2828.966316][ T7704] do_syscall_64+0xc6/0x1e0 [ 2828.966316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.966316][ T7704] [ 2828.968022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2828.968022][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2828.968022][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2828.968022][ T7704] ipv6_find_idev+0x102/0x170 [ 2828.968022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.968022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.968022][ T7704] netlink_rcv_skb+0x130/0x360 [ 2828.968022][ T7704] netlink_unicast+0x449/0x710 [ 2828.968022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2828.968022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2828.968022][ T7704] ___sys_sendmsg+0xee/0x170 [ 2828.968022][ T7704] __sys_sendmsg+0xcd/0x170 [ 2828.968022][ T7704] do_syscall_64+0xc6/0x1e0 [ 2828.968022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.968022][ T7704] [ 2839.118979][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2839.119634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2839.119634][ T7704] netdev_get_by_index+0x5e/0x80 [ 2839.119634][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2839.119634][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2839.119634][ T7704] ip6_route_add+0x1c/0x140 [ 2839.119634][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2839.119634][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2839.119634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2839.119634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2839.119634][ T7704] netlink_rcv_skb+0x130/0x360 [ 2839.119634][ T7704] netlink_unicast+0x449/0x710 [ 2839.119634][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2839.119634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2839.119634][ T7704] ___sys_sendmsg+0xee/0x170 [ 2839.119634][ T7704] __sys_sendmsg+0xcd/0x170 [ 2839.119634][ T7704] do_syscall_64+0xc6/0x1e0 [ 2839.119634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2839.119634][ T7704] [ 2839.123293][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2839.123293][ T7704] netdev_get_by_index+0x5e/0x80 [ 2839.123293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2839.123293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2839.123293][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2839.123293][ T7704] ipv6_add_addr+0x411/0x2000 [ 2839.123293][ T7704] inet6_addr_add+0x30e/0xa40 [ 2839.123293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2839.123293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2839.123293][ T7704] netlink_rcv_skb+0x130/0x360 [ 2839.123293][ T7704] netlink_unicast+0x449/0x710 [ 2839.123293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2839.123293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2839.123293][ T7704] ___sys_sendmsg+0xee/0x170 [ 2839.123293][ T7704] __sys_sendmsg+0xcd/0x170 [ 2839.123293][ T7704] do_syscall_64+0xc6/0x1e0 [ 2839.123293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2839.123293][ T7704] [ 2839.126958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2839.126958][ T7704] netdev_get_by_index+0x5e/0x80 [ 2839.126958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2839.126958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2839.126958][ T7704] ip6_route_add+0x1c/0x140 [ 2839.126958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2839.126958][ T7704] addrconf_add_dev+0xe2/0x170 [ 2839.126958][ T7704] inet6_addr_add+0x12f/0xa40 [ 2839.126958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2839.126958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2839.126958][ T7704] netlink_rcv_skb+0x130/0x360 [ 2839.126958][ T7704] netlink_unicast+0x449/0x710 [ 2839.126958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2839.126958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2839.126958][ T7704] ___sys_sendmsg+0xee/0x170 [ 2839.126958][ T7704] __sys_sendmsg+0xcd/0x170 [ 2839.126958][ T7704] do_syscall_64+0xc6/0x1e0 [ 2839.126958][ T7704] [ 2839.130521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2839.130521][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2839.130521][ T7704] ipv6_find_idev+0x102/0x170 [ 2839.130521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2839.130521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2839.130521][ T7704] netlink_rcv_skb+0x130/0x360 [ 2839.130521][ T7704] netlink_unicast+0x449/0x710 [ 2839.130521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2839.130521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2839.130521][ T7704] ___sys_sendmsg+0xee/0x170 [ 2839.130521][ T7704] __sys_sendmsg+0xcd/0x170 [ 2839.130521][ T7704] do_syscall_64+0xc6/0x1e0 [ 2839.130521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2839.130521][ T7704] [ 2839.133304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2839.133304][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2839.133304][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2839.133304][ T7704] ipv6_find_idev+0x102/0x170 [ 2839.133304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2839.133304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2839.133304][ T7704] netlink_rcv_skb+0x130/0x360 [ 2839.133304][ T7704] netlink_unicast+0x449/0x710 [ 2839.133304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2839.133304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2839.133304][ T7704] ___sys_sendmsg+0xee/0x170 [ 2839.133304][ T7704] __sys_sendmsg+0xcd/0x170 [ 2839.133304][ T7704] do_syscall_64+0xc6/0x1e0 [ 2839.133304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2839.133304][ T7704] [ 2849.374885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2849.375355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2849.375355][ T7704] netdev_get_by_index+0x5e/0x80 [ 2849.375355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2849.375355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2849.375355][ T7704] ip6_route_add+0x1c/0x140 [ 2849.375355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2849.375355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2849.375355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2849.375355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2849.375355][ T7704] netlink_rcv_skb+0x130/0x360 [ 2849.375355][ T7704] netlink_unicast+0x449/0x710 [ 2849.375355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2849.375355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2849.375355][ T7704] ___sys_sendmsg+0xee/0x170 [ 2849.375355][ T7704] __sys_sendmsg+0xcd/0x170 [ 2849.375355][ T7704] do_syscall_64+0xc6/0x1e0 [ 2849.375355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2849.375355][ T7704] [ 2849.377629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2849.377629][ T7704] netdev_get_by_index+0x5e/0x80 [ 2849.377629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2849.377629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2849.377629][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2849.377629][ T7704] ipv6_add_addr+0x411/0x2000 [ 2849.377629][ T7704] inet6_addr_add+0x30e/0xa40 [ 2849.377629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2849.377629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2849.377629][ T7704] netlink_rcv_skb+0x130/0x360 [ 2849.377629][ T7704] netlink_unicast+0x449/0x710 [ 2849.377629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2849.377629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2849.377629][ T7704] ___sys_sendmsg+0xee/0x170 [ 2849.377629][ T7704] __sys_sendmsg+0xcd/0x170 [ 2849.377629][ T7704] do_syscall_64+0xc6/0x1e0 [ 2849.377629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2849.377629][ T7704] [ 2849.379855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2849.379855][ T7704] netdev_get_by_index+0x5e/0x80 [ 2849.379855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2849.379855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2849.379855][ T7704] ip6_route_add+0x1c/0x140 [ 2849.379855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2849.379855][ T7704] addrconf_add_dev+0xe2/0x170 [ 2849.379855][ T7704] inet6_addr_add+0x12f/0xa40 [ 2849.379855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2849.379855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2849.379855][ T7704] netlink_rcv_skb+0x130/0x360 [ 2849.379855][ T7704] netlink_unicast+0x449/0x710 [ 2849.379855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2849.379855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2849.379855][ T7704] ___sys_sendmsg+0xee/0x170 [ 2849.379855][ T7704] __sys_sendmsg+0xcd/0x170 [ 2849.379855][ T7704] do_syscall_64+0xc6/0x1e0 [ 2849.379855][ T7704] [ 2849.382095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2849.382095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2849.382095][ T7704] ipv6_find_idev+0x102/0x170 [ 2849.382095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2849.382095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2849.382095][ T7704] netlink_rcv_skb+0x130/0x360 [ 2849.382095][ T7704] netlink_unicast+0x449/0x710 [ 2849.382095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2849.382095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2849.382095][ T7704] ___sys_sendmsg+0xee/0x170 [ 2849.382095][ T7704] __sys_sendmsg+0xcd/0x170 [ 2849.382095][ T7704] do_syscall_64+0xc6/0x1e0 [ 2849.382095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2849.382095][ T7704] [ 2849.383813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2849.383813][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2849.383813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2849.383813][ T7704] ipv6_find_idev+0x102/0x170 [ 2849.383813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2849.383813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2849.383813][ T7704] netlink_rcv_skb+0x130/0x360 [ 2849.383813][ T7704] netlink_unicast+0x449/0x710 [ 2849.383813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2849.383813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2849.383813][ T7704] ___sys_sendmsg+0xee/0x170 [ 2849.383813][ T7704] __sys_sendmsg+0xcd/0x170 [ 2849.383813][ T7704] do_syscall_64+0xc6/0x1e0 [ 2849.383813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2849.383813][ T7704] [ 2859.839021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2859.839650][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2859.839650][ T7704] netdev_get_by_index+0x5e/0x80 [ 2859.839650][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2859.839650][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2859.839650][ T7704] ip6_route_add+0x1c/0x140 [ 2859.839650][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2859.839650][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2859.839650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.839650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.839650][ T7704] netlink_rcv_skb+0x130/0x360 [ 2859.839650][ T7704] netlink_unicast+0x449/0x710 [ 2859.839650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2859.839650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2859.839650][ T7704] ___sys_sendmsg+0xee/0x170 [ 2859.839650][ T7704] __sys_sendmsg+0xcd/0x170 [ 2859.839650][ T7704] do_syscall_64+0xc6/0x1e0 [ 2859.839650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.839650][ T7704] [ 2859.843276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2859.843276][ T7704] netdev_get_by_index+0x5e/0x80 [ 2859.843276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2859.843276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2859.843276][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2859.843276][ T7704] ipv6_add_addr+0x411/0x2000 [ 2859.843276][ T7704] inet6_addr_add+0x30e/0xa40 [ 2859.843276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.843276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.843276][ T7704] netlink_rcv_skb+0x130/0x360 [ 2859.843276][ T7704] netlink_unicast+0x449/0x710 [ 2859.843276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2859.843276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2859.843276][ T7704] ___sys_sendmsg+0xee/0x170 [ 2859.843276][ T7704] __sys_sendmsg+0xcd/0x170 [ 2859.843276][ T7704] do_syscall_64+0xc6/0x1e0 [ 2859.843276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.843276][ T7704] [ 2859.846709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2859.846709][ T7704] netdev_get_by_index+0x5e/0x80 [ 2859.846709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2859.846709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2859.846709][ T7704] ip6_route_add+0x1c/0x140 [ 2859.846709][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2859.846709][ T7704] addrconf_add_dev+0xe2/0x170 [ 2859.846709][ T7704] inet6_addr_add+0x12f/0xa40 [ 2859.846709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.846709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.846709][ T7704] netlink_rcv_skb+0x130/0x360 [ 2859.846709][ T7704] netlink_unicast+0x449/0x710 [ 2859.846709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2859.846709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2859.846709][ T7704] ___sys_sendmsg+0xee/0x170 [ 2859.846709][ T7704] __sys_sendmsg+0xcd/0x170 [ 2859.846709][ T7704] do_syscall_64+0xc6/0x1e0 [ 2859.846709][ T7704] [ 2859.850043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2859.850043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2859.850043][ T7704] ipv6_find_idev+0x102/0x170 [ 2859.850043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2859.850043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.850043][ T7704] netlink_rcv_skb+0x130/0x360 [ 2859.850043][ T7704] netlink_unicast+0x449/0x710 [ 2859.850043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2859.850043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2859.850043][ T7704] ___sys_sendmsg+0xee/0x170 [ 2859.850043][ T7704] __sys_sendmsg+0xcd/0x170 [ 2859.850043][ T7704] do_syscall_64+0xc6/0x1e0 [ 2859.850043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.850043][ T7704] [ 2859.852832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2859.852832][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2859.852832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2859.852832][ T7704] ipv6_find_idev+0x102/0x170 [ 2859.852832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2859.852832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.852832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2859.852832][ T7704] netlink_unicast+0x449/0x710 [ 2859.852832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2859.852832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2859.852832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2859.852832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2859.852832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2859.852832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.852832][ T7704] [ 2870.094946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2870.095406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2870.095406][ T7704] netdev_get_by_index+0x5e/0x80 [ 2870.095406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2870.095406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2870.095406][ T7704] ip6_route_add+0x1c/0x140 [ 2870.095406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2870.095406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2870.095406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.095406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.095406][ T7704] netlink_rcv_skb+0x130/0x360 [ 2870.095406][ T7704] netlink_unicast+0x449/0x710 [ 2870.095406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2870.095406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2870.095406][ T7704] ___sys_sendmsg+0xee/0x170 [ 2870.095406][ T7704] __sys_sendmsg+0xcd/0x170 [ 2870.095406][ T7704] do_syscall_64+0xc6/0x1e0 [ 2870.095406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.095406][ T7704] [ 2870.097668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2870.097668][ T7704] netdev_get_by_index+0x5e/0x80 [ 2870.097668][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2870.097668][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2870.097668][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2870.097668][ T7704] ipv6_add_addr+0x411/0x2000 [ 2870.097668][ T7704] inet6_addr_add+0x30e/0xa40 [ 2870.097668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.097668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.097668][ T7704] netlink_rcv_skb+0x130/0x360 [ 2870.097668][ T7704] netlink_unicast+0x449/0x710 [ 2870.097668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2870.097668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2870.097668][ T7704] ___sys_sendmsg+0xee/0x170 [ 2870.097668][ T7704] __sys_sendmsg+0xcd/0x170 [ 2870.097668][ T7704] do_syscall_64+0xc6/0x1e0 [ 2870.097668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.097668][ T7704] [ 2870.099905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2870.099905][ T7704] netdev_get_by_index+0x5e/0x80 [ 2870.099905][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2870.099905][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2870.099905][ T7704] ip6_route_add+0x1c/0x140 [ 2870.099905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.099905][ T7704] addrconf_add_dev+0xe2/0x170 [ 2870.099905][ T7704] inet6_addr_add+0x12f/0xa40 [ 2870.099905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.099905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.099905][ T7704] netlink_rcv_skb+0x130/0x360 [ 2870.099905][ T7704] netlink_unicast+0x449/0x710 [ 2870.099905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2870.099905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2870.099905][ T7704] ___sys_sendmsg+0xee/0x170 [ 2870.099905][ T7704] __sys_sendmsg+0xcd/0x170 [ 2870.099905][ T7704] do_syscall_64+0xc6/0x1e0 [ 2870.099905][ T7704] [ 2870.102193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2870.102193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2870.102193][ T7704] ipv6_find_idev+0x102/0x170 [ 2870.102193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.102193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.102193][ T7704] netlink_rcv_skb+0x130/0x360 [ 2870.102193][ T7704] netlink_unicast+0x449/0x710 [ 2870.102193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2870.102193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2870.102193][ T7704] ___sys_sendmsg+0xee/0x170 [ 2870.102193][ T7704] __sys_sendmsg+0xcd/0x170 [ 2870.102193][ T7704] do_syscall_64+0xc6/0x1e0 [ 2870.102193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.102193][ T7704] [ 2870.103920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2870.103920][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2870.103920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2870.103920][ T7704] ipv6_find_idev+0x102/0x170 [ 2870.103920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.103920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.103920][ T7704] netlink_rcv_skb+0x130/0x360 [ 2870.103920][ T7704] netlink_unicast+0x449/0x710 [ 2870.103920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2870.103920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2870.103920][ T7704] ___sys_sendmsg+0xee/0x170 [ 2870.103920][ T7704] __sys_sendmsg+0xcd/0x170 [ 2870.103920][ T7704] do_syscall_64+0xc6/0x1e0 [ 2870.103920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.103920][ T7704] [ 2880.190940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2880.191402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2880.191402][ T7704] netdev_get_by_index+0x5e/0x80 [ 2880.191402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2880.191402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2880.191402][ T7704] ip6_route_add+0x1c/0x140 [ 2880.191402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2880.191402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2880.191402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2880.191402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2880.191402][ T7704] netlink_rcv_skb+0x130/0x360 [ 2880.191402][ T7704] netlink_unicast+0x449/0x710 [ 2880.191402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2880.191402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2880.191402][ T7704] ___sys_sendmsg+0xee/0x170 [ 2880.191402][ T7704] __sys_sendmsg+0xcd/0x170 [ 2880.191402][ T7704] do_syscall_64+0xc6/0x1e0 [ 2880.191402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2880.191402][ T7704] [ 2880.193696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2880.193696][ T7704] netdev_get_by_index+0x5e/0x80 [ 2880.193696][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2880.193696][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2880.193696][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2880.193696][ T7704] ipv6_add_addr+0x411/0x2000 [ 2880.193696][ T7704] inet6_addr_add+0x30e/0xa40 [ 2880.193696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2880.193696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2880.193696][ T7704] netlink_rcv_skb+0x130/0x360 [ 2880.193696][ T7704] netlink_unicast+0x449/0x710 [ 2880.193696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2880.193696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2880.193696][ T7704] ___sys_sendmsg+0xee/0x170 [ 2880.193696][ T7704] __sys_sendmsg+0xcd/0x170 [ 2880.193696][ T7704] do_syscall_64+0xc6/0x1e0 [ 2880.193696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2880.193696][ T7704] [ 2880.195931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2880.195931][ T7704] netdev_get_by_index+0x5e/0x80 [ 2880.195931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2880.195931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2880.195931][ T7704] ip6_route_add+0x1c/0x140 [ 2880.195931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2880.195931][ T7704] addrconf_add_dev+0xe2/0x170 [ 2880.195931][ T7704] inet6_addr_add+0x12f/0xa40 [ 2880.195931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2880.195931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2880.195931][ T7704] netlink_rcv_skb+0x130/0x360 [ 2880.195931][ T7704] netlink_unicast+0x449/0x710 [ 2880.195931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2880.195931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2880.195931][ T7704] ___sys_sendmsg+0xee/0x170 [ 2880.195931][ T7704] __sys_sendmsg+0xcd/0x170 [ 2880.195931][ T7704] do_syscall_64+0xc6/0x1e0 [ 2880.195931][ T7704] [ 2880.198155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2880.198155][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2880.198155][ T7704] ipv6_find_idev+0x102/0x170 [ 2880.198155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2880.198155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2880.198155][ T7704] netlink_rcv_skb+0x130/0x360 [ 2880.198155][ T7704] netlink_unicast+0x449/0x710 [ 2880.198155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2880.198155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2880.198155][ T7704] ___sys_sendmsg+0xee/0x170 [ 2880.198155][ T7704] __sys_sendmsg+0xcd/0x170 [ 2880.198155][ T7704] do_syscall_64+0xc6/0x1e0 [ 2880.198155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2880.198155][ T7704] [ 2880.199875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2880.199875][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2880.199875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2880.199875][ T7704] ipv6_find_idev+0x102/0x170 [ 2880.199875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2880.199875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2880.199875][ T7704] netlink_rcv_skb+0x130/0x360 [ 2880.199875][ T7704] netlink_unicast+0x449/0x710 [ 2880.199875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2880.199875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2880.199875][ T7704] ___sys_sendmsg+0xee/0x170 [ 2880.199875][ T7704] __sys_sendmsg+0xcd/0x170 [ 2880.199875][ T7704] do_syscall_64+0xc6/0x1e0 [ 2880.199875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2880.199875][ T7704] [ 2890.438939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2890.439397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2890.439397][ T7704] netdev_get_by_index+0x5e/0x80 [ 2890.439397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2890.439397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2890.439397][ T7704] ip6_route_add+0x1c/0x140 [ 2890.439397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2890.439397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2890.439397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2890.439397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2890.439397][ T7704] netlink_rcv_skb+0x130/0x360 [ 2890.439397][ T7704] netlink_unicast+0x449/0x710 [ 2890.439397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2890.439397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2890.439397][ T7704] ___sys_sendmsg+0xee/0x170 [ 2890.439397][ T7704] __sys_sendmsg+0xcd/0x170 [ 2890.439397][ T7704] do_syscall_64+0xc6/0x1e0 [ 2890.439397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2890.439397][ T7704] [ 2890.441665][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2890.441665][ T7704] netdev_get_by_index+0x5e/0x80 [ 2890.441665][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2890.441665][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2890.441665][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2890.441665][ T7704] ipv6_add_addr+0x411/0x2000 [ 2890.441665][ T7704] inet6_addr_add+0x30e/0xa40 [ 2890.441665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2890.441665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2890.441665][ T7704] netlink_rcv_skb+0x130/0x360 [ 2890.441665][ T7704] netlink_unicast+0x449/0x710 [ 2890.441665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2890.441665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2890.441665][ T7704] ___sys_sendmsg+0xee/0x170 [ 2890.441665][ T7704] __sys_sendmsg+0xcd/0x170 [ 2890.441665][ T7704] do_syscall_64+0xc6/0x1e0 [ 2890.441665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2890.441665][ T7704] [ 2890.443916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2890.443916][ T7704] netdev_get_by_index+0x5e/0x80 [ 2890.443916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2890.443916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2890.443916][ T7704] ip6_route_add+0x1c/0x140 [ 2890.443916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2890.443916][ T7704] addrconf_add_dev+0xe2/0x170 [ 2890.443916][ T7704] inet6_addr_add+0x12f/0xa40 [ 2890.443916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2890.443916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2890.443916][ T7704] netlink_rcv_skb+0x130/0x360 [ 2890.443916][ T7704] netlink_unicast+0x449/0x710 [ 2890.443916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2890.443916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2890.443916][ T7704] ___sys_sendmsg+0xee/0x170 [ 2890.443916][ T7704] __sys_sendmsg+0xcd/0x170 [ 2890.443916][ T7704] do_syscall_64+0xc6/0x1e0 [ 2890.443916][ T7704] [ 2890.446134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2890.446134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2890.446134][ T7704] ipv6_find_idev+0x102/0x170 [ 2890.446134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2890.446134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2890.446134][ T7704] netlink_rcv_skb+0x130/0x360 [ 2890.446134][ T7704] netlink_unicast+0x449/0x710 [ 2890.446134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2890.446134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2890.446134][ T7704] ___sys_sendmsg+0xee/0x170 [ 2890.446134][ T7704] __sys_sendmsg+0xcd/0x170 [ 2890.446134][ T7704] do_syscall_64+0xc6/0x1e0 [ 2890.446134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2890.446134][ T7704] [ 2890.447858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2890.447858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2890.447858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2890.447858][ T7704] ipv6_find_idev+0x102/0x170 [ 2890.447858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2890.447858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2890.447858][ T7704] netlink_rcv_skb+0x130/0x360 [ 2890.447858][ T7704] netlink_unicast+0x449/0x710 [ 2890.447858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2890.447858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2890.447858][ T7704] ___sys_sendmsg+0xee/0x170 [ 2890.447858][ T7704] __sys_sendmsg+0xcd/0x170 [ 2890.447858][ T7704] do_syscall_64+0xc6/0x1e0 [ 2890.447858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2890.447858][ T7704] [ 2900.543098][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2900.543559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2900.543559][ T7704] netdev_get_by_index+0x5e/0x80 [ 2900.543559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2900.543559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2900.543559][ T7704] ip6_route_add+0x1c/0x140 [ 2900.543559][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2900.543559][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2900.543559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.543559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.543559][ T7704] netlink_rcv_skb+0x130/0x360 [ 2900.543559][ T7704] netlink_unicast+0x449/0x710 [ 2900.543559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2900.543559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2900.543559][ T7704] ___sys_sendmsg+0xee/0x170 [ 2900.543559][ T7704] __sys_sendmsg+0xcd/0x170 [ 2900.543559][ T7704] do_syscall_64+0xc6/0x1e0 [ 2900.543559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.543559][ T7704] [ 2900.545813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2900.545813][ T7704] netdev_get_by_index+0x5e/0x80 [ 2900.545813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2900.545813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2900.545813][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2900.545813][ T7704] ipv6_add_addr+0x411/0x2000 [ 2900.545813][ T7704] inet6_addr_add+0x30e/0xa40 [ 2900.545813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.545813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.545813][ T7704] netlink_rcv_skb+0x130/0x360 [ 2900.545813][ T7704] netlink_unicast+0x449/0x710 [ 2900.545813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2900.545813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2900.545813][ T7704] ___sys_sendmsg+0xee/0x170 [ 2900.545813][ T7704] __sys_sendmsg+0xcd/0x170 [ 2900.545813][ T7704] do_syscall_64+0xc6/0x1e0 [ 2900.545813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.545813][ T7704] [ 2900.548047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2900.548047][ T7704] netdev_get_by_index+0x5e/0x80 [ 2900.548047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2900.548047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2900.548047][ T7704] ip6_route_add+0x1c/0x140 [ 2900.548047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2900.548047][ T7704] addrconf_add_dev+0xe2/0x170 [ 2900.548047][ T7704] inet6_addr_add+0x12f/0xa40 [ 2900.548047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.548047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.548047][ T7704] netlink_rcv_skb+0x130/0x360 [ 2900.548047][ T7704] netlink_unicast+0x449/0x710 [ 2900.548047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2900.548047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2900.548047][ T7704] ___sys_sendmsg+0xee/0x170 [ 2900.548047][ T7704] __sys_sendmsg+0xcd/0x170 [ 2900.548047][ T7704] do_syscall_64+0xc6/0x1e0 [ 2900.548047][ T7704] [ 2900.550223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2900.550223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2900.550223][ T7704] ipv6_find_idev+0x102/0x170 [ 2900.550223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2900.550223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.550223][ T7704] netlink_rcv_skb+0x130/0x360 [ 2900.550223][ T7704] netlink_unicast+0x449/0x710 [ 2900.550223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2900.550223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2900.550223][ T7704] ___sys_sendmsg+0xee/0x170 [ 2900.550223][ T7704] __sys_sendmsg+0xcd/0x170 [ 2900.550223][ T7704] do_syscall_64+0xc6/0x1e0 [ 2900.550223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.550223][ T7704] [ 2900.551930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2900.551930][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2900.551930][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2900.551930][ T7704] ipv6_find_idev+0x102/0x170 [ 2900.551930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2900.551930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.551930][ T7704] netlink_rcv_skb+0x130/0x360 [ 2900.551930][ T7704] netlink_unicast+0x449/0x710 [ 2900.551930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2900.551930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2900.551930][ T7704] ___sys_sendmsg+0xee/0x170 [ 2900.551930][ T7704] __sys_sendmsg+0xcd/0x170 [ 2900.551930][ T7704] do_syscall_64+0xc6/0x1e0 [ 2900.551930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.551930][ T7704] [ 2910.655002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2910.655473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2910.655473][ T7704] netdev_get_by_index+0x5e/0x80 [ 2910.655473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2910.655473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2910.655473][ T7704] ip6_route_add+0x1c/0x140 [ 2910.655473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2910.655473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2910.655473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.655473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.655473][ T7704] netlink_rcv_skb+0x130/0x360 [ 2910.655473][ T7704] netlink_unicast+0x449/0x710 [ 2910.655473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2910.655473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2910.655473][ T7704] ___sys_sendmsg+0xee/0x170 [ 2910.655473][ T7704] __sys_sendmsg+0xcd/0x170 [ 2910.655473][ T7704] do_syscall_64+0xc6/0x1e0 [ 2910.655473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.655473][ T7704] [ 2910.657775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2910.657775][ T7704] netdev_get_by_index+0x5e/0x80 [ 2910.657775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2910.657775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2910.657775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2910.657775][ T7704] ipv6_add_addr+0x411/0x2000 [ 2910.657775][ T7704] inet6_addr_add+0x30e/0xa40 [ 2910.657775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.657775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.657775][ T7704] netlink_rcv_skb+0x130/0x360 [ 2910.657775][ T7704] netlink_unicast+0x449/0x710 [ 2910.657775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2910.657775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2910.657775][ T7704] ___sys_sendmsg+0xee/0x170 [ 2910.657775][ T7704] __sys_sendmsg+0xcd/0x170 [ 2910.657775][ T7704] do_syscall_64+0xc6/0x1e0 [ 2910.657775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.657775][ T7704] [ 2910.660290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2910.660290][ T7704] netdev_get_by_index+0x5e/0x80 [ 2910.660290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2910.660290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2910.660290][ T7704] ip6_route_add+0x1c/0x140 [ 2910.660290][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2910.660290][ T7704] addrconf_add_dev+0xe2/0x170 [ 2910.660290][ T7704] inet6_addr_add+0x12f/0xa40 [ 2910.660290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.660290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.660290][ T7704] netlink_rcv_skb+0x130/0x360 [ 2910.660290][ T7704] netlink_unicast+0x449/0x710 [ 2910.660290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2910.660290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2910.660290][ T7704] ___sys_sendmsg+0xee/0x170 [ 2910.660290][ T7704] __sys_sendmsg+0xcd/0x170 [ 2910.660290][ T7704] do_syscall_64+0xc6/0x1e0 [ 2910.660290][ T7704] [ 2910.662499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2910.662499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2910.662499][ T7704] ipv6_find_idev+0x102/0x170 [ 2910.662499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.662499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.662499][ T7704] netlink_rcv_skb+0x130/0x360 [ 2910.662499][ T7704] netlink_unicast+0x449/0x710 [ 2910.662499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2910.662499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2910.662499][ T7704] ___sys_sendmsg+0xee/0x170 [ 2910.662499][ T7704] __sys_sendmsg+0xcd/0x170 [ 2910.662499][ T7704] do_syscall_64+0xc6/0x1e0 [ 2910.662499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.662499][ T7704] [ 2910.664209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2910.664209][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2910.664209][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2910.664209][ T7704] ipv6_find_idev+0x102/0x170 [ 2910.664209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.664209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.664209][ T7704] netlink_rcv_skb+0x130/0x360 [ 2910.664209][ T7704] netlink_unicast+0x449/0x710 [ 2910.664209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2910.664209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2910.664209][ T7704] ___sys_sendmsg+0xee/0x170 [ 2910.664209][ T7704] __sys_sendmsg+0xcd/0x170 [ 2910.664209][ T7704] do_syscall_64+0xc6/0x1e0 [ 2910.664209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.664209][ T7704] [ 2920.910968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2920.911513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2920.911513][ T7704] netdev_get_by_index+0x5e/0x80 [ 2920.911513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2920.911513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2920.911513][ T7704] ip6_route_add+0x1c/0x140 [ 2920.911513][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2920.911513][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2920.911513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.911513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.911513][ T7704] netlink_rcv_skb+0x130/0x360 [ 2920.911513][ T7704] netlink_unicast+0x449/0x710 [ 2920.911513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2920.911513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2920.911513][ T7704] ___sys_sendmsg+0xee/0x170 [ 2920.911513][ T7704] __sys_sendmsg+0xcd/0x170 [ 2920.911513][ T7704] do_syscall_64+0xc6/0x1e0 [ 2920.911513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.911513][ T7704] [ 2920.913806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2920.913806][ T7704] netdev_get_by_index+0x5e/0x80 [ 2920.913806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2920.913806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2920.913806][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2920.913806][ T7704] ipv6_add_addr+0x411/0x2000 [ 2920.913806][ T7704] inet6_addr_add+0x30e/0xa40 [ 2920.913806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.913806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.913806][ T7704] netlink_rcv_skb+0x130/0x360 [ 2920.913806][ T7704] netlink_unicast+0x449/0x710 [ 2920.913806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2920.913806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2920.913806][ T7704] ___sys_sendmsg+0xee/0x170 [ 2920.913806][ T7704] __sys_sendmsg+0xcd/0x170 [ 2920.913806][ T7704] do_syscall_64+0xc6/0x1e0 [ 2920.913806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.913806][ T7704] [ 2920.916083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2920.916083][ T7704] netdev_get_by_index+0x5e/0x80 [ 2920.916083][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2920.916083][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2920.916083][ T7704] ip6_route_add+0x1c/0x140 [ 2920.916083][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2920.916083][ T7704] addrconf_add_dev+0xe2/0x170 [ 2920.916083][ T7704] inet6_addr_add+0x12f/0xa40 [ 2920.916083][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.916083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.916083][ T7704] netlink_rcv_skb+0x130/0x360 [ 2920.916083][ T7704] netlink_unicast+0x449/0x710 [ 2920.916083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2920.916083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2920.916083][ T7704] ___sys_sendmsg+0xee/0x170 [ 2920.916083][ T7704] __sys_sendmsg+0xcd/0x170 [ 2920.916083][ T7704] do_syscall_64+0xc6/0x1e0 [ 2920.916083][ T7704] [ 2920.918711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2920.918711][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2920.918711][ T7704] ipv6_find_idev+0x102/0x170 [ 2920.918711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.918711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.918711][ T7704] netlink_rcv_skb+0x130/0x360 [ 2920.918711][ T7704] netlink_unicast+0x449/0x710 [ 2920.918711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2920.918711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2920.918711][ T7704] ___sys_sendmsg+0xee/0x170 [ 2920.918711][ T7704] __sys_sendmsg+0xcd/0x170 [ 2920.918711][ T7704] do_syscall_64+0xc6/0x1e0 [ 2920.918711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.918711][ T7704] [ 2920.920452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2920.920452][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2920.920452][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2920.920452][ T7704] ipv6_find_idev+0x102/0x170 [ 2920.920452][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.920452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.920452][ T7704] netlink_rcv_skb+0x130/0x360 [ 2920.920452][ T7704] netlink_unicast+0x449/0x710 [ 2920.920452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2920.920452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2920.920452][ T7704] ___sys_sendmsg+0xee/0x170 [ 2920.920452][ T7704] __sys_sendmsg+0xcd/0x170 [ 2920.920452][ T7704] do_syscall_64+0xc6/0x1e0 [ 2920.920452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.920452][ T7704] [ 2931.158974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2931.159524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2931.159524][ T7704] netdev_get_by_index+0x5e/0x80 [ 2931.159524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2931.159524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2931.159524][ T7704] ip6_route_add+0x1c/0x140 [ 2931.159524][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2931.159524][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2931.159524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2931.159524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2931.159524][ T7704] netlink_rcv_skb+0x130/0x360 [ 2931.159524][ T7704] netlink_unicast+0x449/0x710 [ 2931.159524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2931.159524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2931.159524][ T7704] ___sys_sendmsg+0xee/0x170 [ 2931.159524][ T7704] __sys_sendmsg+0xcd/0x170 [ 2931.159524][ T7704] do_syscall_64+0xc6/0x1e0 [ 2931.159524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2931.159524][ T7704] [ 2931.161820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2931.161820][ T7704] netdev_get_by_index+0x5e/0x80 [ 2931.161820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2931.161820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2931.161820][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2931.161820][ T7704] ipv6_add_addr+0x411/0x2000 [ 2931.161820][ T7704] inet6_addr_add+0x30e/0xa40 [ 2931.161820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2931.161820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2931.161820][ T7704] netlink_rcv_skb+0x130/0x360 [ 2931.161820][ T7704] netlink_unicast+0x449/0x710 [ 2931.161820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2931.161820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2931.161820][ T7704] ___sys_sendmsg+0xee/0x170 [ 2931.161820][ T7704] __sys_sendmsg+0xcd/0x170 [ 2931.161820][ T7704] do_syscall_64+0xc6/0x1e0 [ 2931.161820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2931.161820][ T7704] [ 2931.164085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2931.164085][ T7704] netdev_get_by_index+0x5e/0x80 [ 2931.164085][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2931.164085][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2931.164085][ T7704] ip6_route_add+0x1c/0x140 [ 2931.164085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2931.164085][ T7704] addrconf_add_dev+0xe2/0x170 [ 2931.164085][ T7704] inet6_addr_add+0x12f/0xa40 [ 2931.164085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2931.164085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2931.164085][ T7704] netlink_rcv_skb+0x130/0x360 [ 2931.164085][ T7704] netlink_unicast+0x449/0x710 [ 2931.164085][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2931.164085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2931.164085][ T7704] ___sys_sendmsg+0xee/0x170 [ 2931.164085][ T7704] __sys_sendmsg+0xcd/0x170 [ 2931.164085][ T7704] do_syscall_64+0xc6/0x1e0 [ 2931.164085][ T7704] [ 2931.166317][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2931.166317][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2931.166317][ T7704] ipv6_find_idev+0x102/0x170 [ 2931.166317][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2931.166317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2931.166317][ T7704] netlink_rcv_skb+0x130/0x360 [ 2931.166317][ T7704] netlink_unicast+0x449/0x710 [ 2931.166317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2931.166317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2931.166317][ T7704] ___sys_sendmsg+0xee/0x170 [ 2931.166317][ T7704] __sys_sendmsg+0xcd/0x170 [ 2931.166317][ T7704] do_syscall_64+0xc6/0x1e0 [ 2931.166317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2931.166317][ T7704] [ 2931.168055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2931.168055][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2931.168055][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2931.168055][ T7704] ipv6_find_idev+0x102/0x170 [ 2931.168055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2931.168055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2931.168055][ T7704] netlink_rcv_skb+0x130/0x360 [ 2931.168055][ T7704] netlink_unicast+0x449/0x710 [ 2931.168055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2931.168055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2931.168055][ T7704] ___sys_sendmsg+0xee/0x170 [ 2931.168055][ T7704] __sys_sendmsg+0xcd/0x170 [ 2931.168055][ T7704] do_syscall_64+0xc6/0x1e0 [ 2931.168055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2931.168055][ T7704] [ 2941.175012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2941.175561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2941.175561][ T7704] netdev_get_by_index+0x5e/0x80 [ 2941.175561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2941.175561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2941.175561][ T7704] ip6_route_add+0x1c/0x140 [ 2941.175561][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2941.175561][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2941.175561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2941.175561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2941.175561][ T7704] netlink_rcv_skb+0x130/0x360 [ 2941.175561][ T7704] netlink_unicast+0x449/0x710 [ 2941.175561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2941.175561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2941.175561][ T7704] ___sys_sendmsg+0xee/0x170 [ 2941.175561][ T7704] __sys_sendmsg+0xcd/0x170 [ 2941.175561][ T7704] do_syscall_64+0xc6/0x1e0 [ 2941.175561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2941.175561][ T7704] [ 2941.177858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2941.177858][ T7704] netdev_get_by_index+0x5e/0x80 [ 2941.177858][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2941.177858][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2941.177858][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2941.177858][ T7704] ipv6_add_addr+0x411/0x2000 [ 2941.177858][ T7704] inet6_addr_add+0x30e/0xa40 [ 2941.177858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2941.177858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2941.177858][ T7704] netlink_rcv_skb+0x130/0x360 [ 2941.177858][ T7704] netlink_unicast+0x449/0x710 [ 2941.177858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2941.177858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2941.177858][ T7704] ___sys_sendmsg+0xee/0x170 [ 2941.177858][ T7704] __sys_sendmsg+0xcd/0x170 [ 2941.177858][ T7704] do_syscall_64+0xc6/0x1e0 [ 2941.177858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2941.177858][ T7704] [ 2941.180116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2941.180116][ T7704] netdev_get_by_index+0x5e/0x80 [ 2941.180116][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2941.180116][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2941.180116][ T7704] ip6_route_add+0x1c/0x140 [ 2941.180116][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2941.180116][ T7704] addrconf_add_dev+0xe2/0x170 [ 2941.180116][ T7704] inet6_addr_add+0x12f/0xa40 [ 2941.180116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2941.180116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2941.180116][ T7704] netlink_rcv_skb+0x130/0x360 [ 2941.180116][ T7704] netlink_unicast+0x449/0x710 [ 2941.180116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2941.180116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2941.180116][ T7704] ___sys_sendmsg+0xee/0x170 [ 2941.180116][ T7704] __sys_sendmsg+0xcd/0x170 [ 2941.180116][ T7704] do_syscall_64+0xc6/0x1e0 [ 2941.180116][ T7704] [ 2941.182564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2941.182564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2941.182564][ T7704] ipv6_find_idev+0x102/0x170 [ 2941.182564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2941.182564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2941.182564][ T7704] netlink_rcv_skb+0x130/0x360 [ 2941.182564][ T7704] netlink_unicast+0x449/0x710 [ 2941.182564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2941.182564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2941.182564][ T7704] ___sys_sendmsg+0xee/0x170 [ 2941.182564][ T7704] __sys_sendmsg+0xcd/0x170 [ 2941.182564][ T7704] do_syscall_64+0xc6/0x1e0 [ 2941.182564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2941.182564][ T7704] [ 2941.184453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2941.184453][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2941.184453][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2941.184453][ T7704] ipv6_find_idev+0x102/0x170 [ 2941.184453][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2941.184453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2941.184453][ T7704] netlink_rcv_skb+0x130/0x360 [ 2941.184453][ T7704] netlink_unicast+0x449/0x710 [ 2941.184453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2941.184453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2941.184453][ T7704] ___sys_sendmsg+0xee/0x170 [ 2941.184453][ T7704] __sys_sendmsg+0xcd/0x170 [ 2941.184453][ T7704] do_syscall_64+0xc6/0x1e0 [ 2941.184453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2941.184453][ T7704] [ 2951.422977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2951.423525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2951.423525][ T7704] netdev_get_by_index+0x5e/0x80 [ 2951.423525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2951.423525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2951.423525][ T7704] ip6_route_add+0x1c/0x140 [ 2951.423525][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2951.423525][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2951.423525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.423525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.423525][ T7704] netlink_rcv_skb+0x130/0x360 [ 2951.423525][ T7704] netlink_unicast+0x449/0x710 [ 2951.423525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2951.423525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2951.423525][ T7704] ___sys_sendmsg+0xee/0x170 [ 2951.423525][ T7704] __sys_sendmsg+0xcd/0x170 [ 2951.423525][ T7704] do_syscall_64+0xc6/0x1e0 [ 2951.423525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.423525][ T7704] [ 2951.425862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2951.425862][ T7704] netdev_get_by_index+0x5e/0x80 [ 2951.425862][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2951.425862][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2951.425862][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2951.425862][ T7704] ipv6_add_addr+0x411/0x2000 [ 2951.425862][ T7704] inet6_addr_add+0x30e/0xa40 [ 2951.425862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.425862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.425862][ T7704] netlink_rcv_skb+0x130/0x360 [ 2951.425862][ T7704] netlink_unicast+0x449/0x710 [ 2951.425862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2951.425862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2951.425862][ T7704] ___sys_sendmsg+0xee/0x170 [ 2951.425862][ T7704] __sys_sendmsg+0xcd/0x170 [ 2951.425862][ T7704] do_syscall_64+0xc6/0x1e0 [ 2951.425862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.425862][ T7704] [ 2951.428131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2951.428131][ T7704] netdev_get_by_index+0x5e/0x80 [ 2951.428131][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2951.428131][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2951.428131][ T7704] ip6_route_add+0x1c/0x140 [ 2951.428131][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2951.428131][ T7704] addrconf_add_dev+0xe2/0x170 [ 2951.428131][ T7704] inet6_addr_add+0x12f/0xa40 [ 2951.428131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.428131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.428131][ T7704] netlink_rcv_skb+0x130/0x360 [ 2951.428131][ T7704] netlink_unicast+0x449/0x710 [ 2951.428131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2951.428131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2951.428131][ T7704] ___sys_sendmsg+0xee/0x170 [ 2951.428131][ T7704] __sys_sendmsg+0xcd/0x170 [ 2951.428131][ T7704] do_syscall_64+0xc6/0x1e0 [ 2951.428131][ T7704] [ 2951.430359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2951.430359][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2951.430359][ T7704] ipv6_find_idev+0x102/0x170 [ 2951.430359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.430359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.430359][ T7704] netlink_rcv_skb+0x130/0x360 [ 2951.430359][ T7704] netlink_unicast+0x449/0x710 [ 2951.430359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2951.430359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2951.430359][ T7704] ___sys_sendmsg+0xee/0x170 [ 2951.430359][ T7704] __sys_sendmsg+0xcd/0x170 [ 2951.430359][ T7704] do_syscall_64+0xc6/0x1e0 [ 2951.430359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.430359][ T7704] [ 2951.432096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2951.432096][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2951.432096][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2951.432096][ T7704] ipv6_find_idev+0x102/0x170 [ 2951.432096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.432096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.432096][ T7704] netlink_rcv_skb+0x130/0x360 [ 2951.432096][ T7704] netlink_unicast+0x449/0x710 [ 2951.432096][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2951.432096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2951.432096][ T7704] ___sys_sendmsg+0xee/0x170 [ 2951.432096][ T7704] __sys_sendmsg+0xcd/0x170 [ 2951.432096][ T7704] do_syscall_64+0xc6/0x1e0 [ 2951.432096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.432096][ T7704] [ 2961.671017][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2961.671576][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2961.671576][ T7704] netdev_get_by_index+0x5e/0x80 [ 2961.671576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2961.671576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2961.671576][ T7704] ip6_route_add+0x1c/0x140 [ 2961.671576][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2961.671576][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2961.671576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.671576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.671576][ T7704] netlink_rcv_skb+0x130/0x360 [ 2961.671576][ T7704] netlink_unicast+0x449/0x710 [ 2961.671576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2961.671576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2961.671576][ T7704] ___sys_sendmsg+0xee/0x170 [ 2961.671576][ T7704] __sys_sendmsg+0xcd/0x170 [ 2961.671576][ T7704] do_syscall_64+0xc6/0x1e0 [ 2961.671576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.671576][ T7704] [ 2961.673895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2961.673895][ T7704] netdev_get_by_index+0x5e/0x80 [ 2961.673895][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2961.673895][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2961.673895][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2961.673895][ T7704] ipv6_add_addr+0x411/0x2000 [ 2961.673895][ T7704] inet6_addr_add+0x30e/0xa40 [ 2961.673895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.673895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.673895][ T7704] netlink_rcv_skb+0x130/0x360 [ 2961.673895][ T7704] netlink_unicast+0x449/0x710 [ 2961.673895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2961.673895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2961.673895][ T7704] ___sys_sendmsg+0xee/0x170 [ 2961.673895][ T7704] __sys_sendmsg+0xcd/0x170 [ 2961.673895][ T7704] do_syscall_64+0xc6/0x1e0 [ 2961.673895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.673895][ T7704] [ 2961.676688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2961.676688][ T7704] netdev_get_by_index+0x5e/0x80 [ 2961.676688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2961.676688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2961.676688][ T7704] ip6_route_add+0x1c/0x140 [ 2961.676688][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2961.676688][ T7704] addrconf_add_dev+0xe2/0x170 [ 2961.676688][ T7704] inet6_addr_add+0x12f/0xa40 [ 2961.676688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.676688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.676688][ T7704] netlink_rcv_skb+0x130/0x360 [ 2961.676688][ T7704] netlink_unicast+0x449/0x710 [ 2961.676688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2961.676688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2961.676688][ T7704] ___sys_sendmsg+0xee/0x170 [ 2961.676688][ T7704] __sys_sendmsg+0xcd/0x170 [ 2961.676688][ T7704] do_syscall_64+0xc6/0x1e0 [ 2961.676688][ T7704] [ 2961.678907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2961.678907][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2961.678907][ T7704] ipv6_find_idev+0x102/0x170 [ 2961.678907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.678907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.678907][ T7704] netlink_rcv_skb+0x130/0x360 [ 2961.678907][ T7704] netlink_unicast+0x449/0x710 [ 2961.678907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2961.678907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2961.678907][ T7704] ___sys_sendmsg+0xee/0x170 [ 2961.678907][ T7704] __sys_sendmsg+0xcd/0x170 [ 2961.678907][ T7704] do_syscall_64+0xc6/0x1e0 [ 2961.678907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.678907][ T7704] [ 2961.680637][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2961.680637][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2961.680637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2961.680637][ T7704] ipv6_find_idev+0x102/0x170 [ 2961.680637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.680637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.680637][ T7704] netlink_rcv_skb+0x130/0x360 [ 2961.680637][ T7704] netlink_unicast+0x449/0x710 [ 2961.680637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2961.680637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2961.680637][ T7704] ___sys_sendmsg+0xee/0x170 [ 2961.680637][ T7704] __sys_sendmsg+0xcd/0x170 [ 2961.680637][ T7704] do_syscall_64+0xc6/0x1e0 [ 2961.680637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.680637][ T7704] [ 2971.918990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2971.919529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2971.919529][ T7704] netdev_get_by_index+0x5e/0x80 [ 2971.919529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2971.919529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2971.919529][ T7704] ip6_route_add+0x1c/0x140 [ 2971.919529][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2971.919529][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2971.919529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.919529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.919529][ T7704] netlink_rcv_skb+0x130/0x360 [ 2971.919529][ T7704] netlink_unicast+0x449/0x710 [ 2971.919529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2971.919529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2971.919529][ T7704] ___sys_sendmsg+0xee/0x170 [ 2971.919529][ T7704] __sys_sendmsg+0xcd/0x170 [ 2971.919529][ T7704] do_syscall_64+0xc6/0x1e0 [ 2971.919529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.919529][ T7704] [ 2971.921818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2971.921818][ T7704] netdev_get_by_index+0x5e/0x80 [ 2971.921818][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2971.921818][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2971.921818][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2971.921818][ T7704] ipv6_add_addr+0x411/0x2000 [ 2971.921818][ T7704] inet6_addr_add+0x30e/0xa40 [ 2971.921818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.921818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.921818][ T7704] netlink_rcv_skb+0x130/0x360 [ 2971.921818][ T7704] netlink_unicast+0x449/0x710 [ 2971.921818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2971.921818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2971.921818][ T7704] ___sys_sendmsg+0xee/0x170 [ 2971.921818][ T7704] __sys_sendmsg+0xcd/0x170 [ 2971.921818][ T7704] do_syscall_64+0xc6/0x1e0 [ 2971.921818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.921818][ T7704] [ 2971.924078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2971.924078][ T7704] netdev_get_by_index+0x5e/0x80 [ 2971.924078][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2971.924078][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2971.924078][ T7704] ip6_route_add+0x1c/0x140 [ 2971.924078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2971.924078][ T7704] addrconf_add_dev+0xe2/0x170 [ 2971.924078][ T7704] inet6_addr_add+0x12f/0xa40 [ 2971.924078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.924078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.924078][ T7704] netlink_rcv_skb+0x130/0x360 [ 2971.924078][ T7704] netlink_unicast+0x449/0x710 [ 2971.924078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2971.924078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2971.924078][ T7704] ___sys_sendmsg+0xee/0x170 [ 2971.924078][ T7704] __sys_sendmsg+0xcd/0x170 [ 2971.924078][ T7704] do_syscall_64+0xc6/0x1e0 [ 2971.924078][ T7704] [ 2971.926704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2971.926704][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2971.926704][ T7704] ipv6_find_idev+0x102/0x170 [ 2971.926704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.926704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.926704][ T7704] netlink_rcv_skb+0x130/0x360 [ 2971.926704][ T7704] netlink_unicast+0x449/0x710 [ 2971.926704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2971.926704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2971.926704][ T7704] ___sys_sendmsg+0xee/0x170 [ 2971.926704][ T7704] __sys_sendmsg+0xcd/0x170 [ 2971.926704][ T7704] do_syscall_64+0xc6/0x1e0 [ 2971.926704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.926704][ T7704] [ 2971.928441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2971.928441][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2971.928441][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2971.928441][ T7704] ipv6_find_idev+0x102/0x170 [ 2971.928441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.928441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.928441][ T7704] netlink_rcv_skb+0x130/0x360 [ 2971.928441][ T7704] netlink_unicast+0x449/0x710 [ 2971.928441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2971.928441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2971.928441][ T7704] ___sys_sendmsg+0xee/0x170 [ 2971.928441][ T7704] __sys_sendmsg+0xcd/0x170 [ 2971.928441][ T7704] do_syscall_64+0xc6/0x1e0 [ 2971.928441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.928441][ T7704] [ 2982.335037][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2982.335545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2982.335545][ T7704] netdev_get_by_index+0x5e/0x80 [ 2982.335545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2982.335545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2982.335545][ T7704] ip6_route_add+0x1c/0x140 [ 2982.335545][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2982.335545][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2982.335545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2982.335545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2982.335545][ T7704] netlink_rcv_skb+0x130/0x360 [ 2982.335545][ T7704] netlink_unicast+0x449/0x710 [ 2982.335545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2982.335545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2982.335545][ T7704] ___sys_sendmsg+0xee/0x170 [ 2982.335545][ T7704] __sys_sendmsg+0xcd/0x170 [ 2982.335545][ T7704] do_syscall_64+0xc6/0x1e0 [ 2982.335545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2982.335545][ T7704] [ 2982.338011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2982.338011][ T7704] netdev_get_by_index+0x5e/0x80 [ 2982.338011][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2982.338011][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2982.338011][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2982.338011][ T7704] ipv6_add_addr+0x411/0x2000 [ 2982.338011][ T7704] inet6_addr_add+0x30e/0xa40 [ 2982.338011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2982.338011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2982.338011][ T7704] netlink_rcv_skb+0x130/0x360 [ 2982.338011][ T7704] netlink_unicast+0x449/0x710 [ 2982.338011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2982.338011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2982.338011][ T7704] ___sys_sendmsg+0xee/0x170 [ 2982.338011][ T7704] __sys_sendmsg+0xcd/0x170 [ 2982.338011][ T7704] do_syscall_64+0xc6/0x1e0 [ 2982.338011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2982.338011][ T7704] [ 2982.340443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2982.340443][ T7704] netdev_get_by_index+0x5e/0x80 [ 2982.340443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2982.340443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2982.340443][ T7704] ip6_route_add+0x1c/0x140 [ 2982.340443][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2982.340443][ T7704] addrconf_add_dev+0xe2/0x170 [ 2982.340443][ T7704] inet6_addr_add+0x12f/0xa40 [ 2982.340443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2982.340443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2982.340443][ T7704] netlink_rcv_skb+0x130/0x360 [ 2982.340443][ T7704] netlink_unicast+0x449/0x710 [ 2982.340443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2982.340443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2982.340443][ T7704] ___sys_sendmsg+0xee/0x170 [ 2982.340443][ T7704] __sys_sendmsg+0xcd/0x170 [ 2982.340443][ T7704] do_syscall_64+0xc6/0x1e0 [ 2982.340443][ T7704] [ 2982.342832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2982.342832][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2982.342832][ T7704] ipv6_find_idev+0x102/0x170 [ 2982.342832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2982.342832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2982.342832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2982.342832][ T7704] netlink_unicast+0x449/0x710 [ 2982.342832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2982.342832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2982.342832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2982.342832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2982.342832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2982.342832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2982.342832][ T7704] [ 2982.344682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2982.344682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2982.344682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2982.344682][ T7704] ipv6_find_idev+0x102/0x170 [ 2982.344682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2982.344682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2982.344682][ T7704] netlink_rcv_skb+0x130/0x360 [ 2982.344682][ T7704] netlink_unicast+0x449/0x710 [ 2982.344682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2982.344682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2982.344682][ T7704] ___sys_sendmsg+0xee/0x170 [ 2982.344682][ T7704] __sys_sendmsg+0xcd/0x170 [ 2982.344682][ T7704] do_syscall_64+0xc6/0x1e0 [ 2982.344682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2982.344682][ T7704] [ 2992.470891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2992.471345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2992.471345][ T7704] netdev_get_by_index+0x5e/0x80 [ 2992.471345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2992.471345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2992.471345][ T7704] ip6_route_add+0x1c/0x140 [ 2992.471345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2992.471345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2992.471345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2992.471345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.471345][ T7704] netlink_rcv_skb+0x130/0x360 [ 2992.471345][ T7704] netlink_unicast+0x449/0x710 [ 2992.471345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2992.471345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2992.471345][ T7704] ___sys_sendmsg+0xee/0x170 [ 2992.471345][ T7704] __sys_sendmsg+0xcd/0x170 [ 2992.471345][ T7704] do_syscall_64+0xc6/0x1e0 [ 2992.471345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.471345][ T7704] [ 2992.473600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2992.473600][ T7704] netdev_get_by_index+0x5e/0x80 [ 2992.473600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2992.473600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2992.473600][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2992.473600][ T7704] ipv6_add_addr+0x411/0x2000 [ 2992.473600][ T7704] inet6_addr_add+0x30e/0xa40 [ 2992.473600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2992.473600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.473600][ T7704] netlink_rcv_skb+0x130/0x360 [ 2992.473600][ T7704] netlink_unicast+0x449/0x710 [ 2992.473600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2992.473600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2992.473600][ T7704] ___sys_sendmsg+0xee/0x170 [ 2992.473600][ T7704] __sys_sendmsg+0xcd/0x170 [ 2992.473600][ T7704] do_syscall_64+0xc6/0x1e0 [ 2992.473600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.473600][ T7704] [ 2992.475836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2992.475836][ T7704] netdev_get_by_index+0x5e/0x80 [ 2992.475836][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2992.475836][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2992.475836][ T7704] ip6_route_add+0x1c/0x140 [ 2992.475836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2992.475836][ T7704] addrconf_add_dev+0xe2/0x170 [ 2992.475836][ T7704] inet6_addr_add+0x12f/0xa40 [ 2992.475836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2992.475836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.475836][ T7704] netlink_rcv_skb+0x130/0x360 [ 2992.475836][ T7704] netlink_unicast+0x449/0x710 [ 2992.475836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2992.475836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2992.475836][ T7704] ___sys_sendmsg+0xee/0x170 [ 2992.475836][ T7704] __sys_sendmsg+0xcd/0x170 [ 2992.475836][ T7704] do_syscall_64+0xc6/0x1e0 [ 2992.475836][ T7704] [ 2992.478029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2992.478029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2992.478029][ T7704] ipv6_find_idev+0x102/0x170 [ 2992.478029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2992.478029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.478029][ T7704] netlink_rcv_skb+0x130/0x360 [ 2992.478029][ T7704] netlink_unicast+0x449/0x710 [ 2992.478029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2992.478029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2992.478029][ T7704] ___sys_sendmsg+0xee/0x170 [ 2992.478029][ T7704] __sys_sendmsg+0xcd/0x170 [ 2992.478029][ T7704] do_syscall_64+0xc6/0x1e0 [ 2992.478029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.478029][ T7704] [ 2992.479755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 2992.479755][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2992.479755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2992.479755][ T7704] ipv6_find_idev+0x102/0x170 [ 2992.479755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2992.479755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.479755][ T7704] netlink_rcv_skb+0x130/0x360 [ 2992.479755][ T7704] netlink_unicast+0x449/0x710 [ 2992.479755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2992.479755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2992.479755][ T7704] ___sys_sendmsg+0xee/0x170 [ 2992.479755][ T7704] __sys_sendmsg+0xcd/0x170 [ 2992.479755][ T7704] do_syscall_64+0xc6/0x1e0 [ 2992.479755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.479755][ T7704] [ 3002.838978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3002.839468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3002.839468][ T7704] netdev_get_by_index+0x5e/0x80 [ 3002.839468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3002.839468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3002.839468][ T7704] ip6_route_add+0x1c/0x140 [ 3002.839468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3002.839468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3002.839468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.839468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.839468][ T7704] netlink_rcv_skb+0x130/0x360 [ 3002.839468][ T7704] netlink_unicast+0x449/0x710 [ 3002.839468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3002.839468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3002.839468][ T7704] ___sys_sendmsg+0xee/0x170 [ 3002.839468][ T7704] __sys_sendmsg+0xcd/0x170 [ 3002.839468][ T7704] do_syscall_64+0xc6/0x1e0 [ 3002.839468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.839468][ T7704] [ 3002.841800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3002.841800][ T7704] netdev_get_by_index+0x5e/0x80 [ 3002.841800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3002.841800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3002.841800][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3002.841800][ T7704] ipv6_add_addr+0x411/0x2000 [ 3002.841800][ T7704] inet6_addr_add+0x30e/0xa40 [ 3002.841800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.841800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.841800][ T7704] netlink_rcv_skb+0x130/0x360 [ 3002.841800][ T7704] netlink_unicast+0x449/0x710 [ 3002.841800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3002.841800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3002.841800][ T7704] ___sys_sendmsg+0xee/0x170 [ 3002.841800][ T7704] __sys_sendmsg+0xcd/0x170 [ 3002.841800][ T7704] do_syscall_64+0xc6/0x1e0 [ 3002.841800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.841800][ T7704] [ 3002.844022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3002.844022][ T7704] netdev_get_by_index+0x5e/0x80 [ 3002.844022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3002.844022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3002.844022][ T7704] ip6_route_add+0x1c/0x140 [ 3002.844022][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3002.844022][ T7704] addrconf_add_dev+0xe2/0x170 [ 3002.844022][ T7704] inet6_addr_add+0x12f/0xa40 [ 3002.844022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.844022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.844022][ T7704] netlink_rcv_skb+0x130/0x360 [ 3002.844022][ T7704] netlink_unicast+0x449/0x710 [ 3002.844022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3002.844022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3002.844022][ T7704] ___sys_sendmsg+0xee/0x170 [ 3002.844022][ T7704] __sys_sendmsg+0xcd/0x170 [ 3002.844022][ T7704] do_syscall_64+0xc6/0x1e0 [ 3002.844022][ T7704] [ 3002.846222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3002.846222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3002.846222][ T7704] ipv6_find_idev+0x102/0x170 [ 3002.846222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.846222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.846222][ T7704] netlink_rcv_skb+0x130/0x360 [ 3002.846222][ T7704] netlink_unicast+0x449/0x710 [ 3002.846222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3002.846222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3002.846222][ T7704] ___sys_sendmsg+0xee/0x170 [ 3002.846222][ T7704] __sys_sendmsg+0xcd/0x170 [ 3002.846222][ T7704] do_syscall_64+0xc6/0x1e0 [ 3002.846222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.846222][ T7704] [ 3002.848013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3002.848013][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3002.848013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3002.848013][ T7704] ipv6_find_idev+0x102/0x170 [ 3002.848013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.848013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.848013][ T7704] netlink_rcv_skb+0x130/0x360 [ 3002.848013][ T7704] netlink_unicast+0x449/0x710 [ 3002.848013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3002.848013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3002.848013][ T7704] ___sys_sendmsg+0xee/0x170 [ 3002.848013][ T7704] __sys_sendmsg+0xcd/0x170 [ 3002.848013][ T7704] do_syscall_64+0xc6/0x1e0 [ 3002.848013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.848013][ T7704] [ 3013.086909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3013.087448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3013.087448][ T7704] netdev_get_by_index+0x5e/0x80 [ 3013.087448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3013.087448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3013.087448][ T7704] ip6_route_add+0x1c/0x140 [ 3013.087448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3013.087448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3013.087448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.087448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.087448][ T7704] netlink_rcv_skb+0x130/0x360 [ 3013.087448][ T7704] netlink_unicast+0x449/0x710 [ 3013.087448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3013.087448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3013.087448][ T7704] ___sys_sendmsg+0xee/0x170 [ 3013.087448][ T7704] __sys_sendmsg+0xcd/0x170 [ 3013.087448][ T7704] do_syscall_64+0xc6/0x1e0 [ 3013.087448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.087448][ T7704] [ 3013.089704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3013.089704][ T7704] netdev_get_by_index+0x5e/0x80 [ 3013.089704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3013.089704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3013.089704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3013.089704][ T7704] ipv6_add_addr+0x411/0x2000 [ 3013.089704][ T7704] inet6_addr_add+0x30e/0xa40 [ 3013.089704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.089704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.089704][ T7704] netlink_rcv_skb+0x130/0x360 [ 3013.089704][ T7704] netlink_unicast+0x449/0x710 [ 3013.089704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3013.089704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3013.089704][ T7704] ___sys_sendmsg+0xee/0x170 [ 3013.089704][ T7704] __sys_sendmsg+0xcd/0x170 [ 3013.089704][ T7704] do_syscall_64+0xc6/0x1e0 [ 3013.089704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.089704][ T7704] [ 3013.092043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3013.092043][ T7704] netdev_get_by_index+0x5e/0x80 [ 3013.092043][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3013.092043][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3013.092043][ T7704] ip6_route_add+0x1c/0x140 [ 3013.092043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3013.092043][ T7704] addrconf_add_dev+0xe2/0x170 [ 3013.092043][ T7704] inet6_addr_add+0x12f/0xa40 [ 3013.092043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.092043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.092043][ T7704] netlink_rcv_skb+0x130/0x360 [ 3013.092043][ T7704] netlink_unicast+0x449/0x710 [ 3013.092043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3013.092043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3013.092043][ T7704] ___sys_sendmsg+0xee/0x170 [ 3013.092043][ T7704] __sys_sendmsg+0xcd/0x170 [ 3013.092043][ T7704] do_syscall_64+0xc6/0x1e0 [ 3013.092043][ T7704] [ 3013.094233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3013.094233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3013.094233][ T7704] ipv6_find_idev+0x102/0x170 [ 3013.094233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.094233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.094233][ T7704] netlink_rcv_skb+0x130/0x360 [ 3013.094233][ T7704] netlink_unicast+0x449/0x710 [ 3013.094233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3013.094233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3013.094233][ T7704] ___sys_sendmsg+0xee/0x170 [ 3013.094233][ T7704] __sys_sendmsg+0xcd/0x170 [ 3013.094233][ T7704] do_syscall_64+0xc6/0x1e0 [ 3013.094233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.094233][ T7704] [ 3013.095959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3013.095959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3013.095959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3013.095959][ T7704] ipv6_find_idev+0x102/0x170 [ 3013.095959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.095959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.095959][ T7704] netlink_rcv_skb+0x130/0x360 [ 3013.095959][ T7704] netlink_unicast+0x449/0x710 [ 3013.095959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3013.095959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3013.095959][ T7704] ___sys_sendmsg+0xee/0x170 [ 3013.095959][ T7704] __sys_sendmsg+0xcd/0x170 [ 3013.095959][ T7704] do_syscall_64+0xc6/0x1e0 [ 3013.095959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.095959][ T7704] [ 3023.335006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3023.335589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3023.335589][ T7704] netdev_get_by_index+0x5e/0x80 [ 3023.335589][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3023.335589][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3023.335589][ T7704] ip6_route_add+0x1c/0x140 [ 3023.335589][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3023.335589][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3023.335589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3023.335589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3023.335589][ T7704] netlink_rcv_skb+0x130/0x360 [ 3023.335589][ T7704] netlink_unicast+0x449/0x710 [ 3023.335589][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3023.335589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3023.335589][ T7704] ___sys_sendmsg+0xee/0x170 [ 3023.335589][ T7704] __sys_sendmsg+0xcd/0x170 [ 3023.335589][ T7704] do_syscall_64+0xc6/0x1e0 [ 3023.335589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3023.335589][ T7704] [ 3023.337886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3023.337886][ T7704] netdev_get_by_index+0x5e/0x80 [ 3023.337886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3023.337886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3023.337886][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3023.337886][ T7704] ipv6_add_addr+0x411/0x2000 [ 3023.337886][ T7704] inet6_addr_add+0x30e/0xa40 [ 3023.337886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3023.337886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3023.337886][ T7704] netlink_rcv_skb+0x130/0x360 [ 3023.337886][ T7704] netlink_unicast+0x449/0x710 [ 3023.337886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3023.337886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3023.337886][ T7704] ___sys_sendmsg+0xee/0x170 [ 3023.337886][ T7704] __sys_sendmsg+0xcd/0x170 [ 3023.337886][ T7704] do_syscall_64+0xc6/0x1e0 [ 3023.337886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3023.337886][ T7704] [ 3023.340150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3023.340150][ T7704] netdev_get_by_index+0x5e/0x80 [ 3023.340150][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3023.340150][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3023.340150][ T7704] ip6_route_add+0x1c/0x140 [ 3023.340150][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3023.340150][ T7704] addrconf_add_dev+0xe2/0x170 [ 3023.340150][ T7704] inet6_addr_add+0x12f/0xa40 [ 3023.340150][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3023.340150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3023.340150][ T7704] netlink_rcv_skb+0x130/0x360 [ 3023.340150][ T7704] netlink_unicast+0x449/0x710 [ 3023.340150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3023.340150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3023.340150][ T7704] ___sys_sendmsg+0xee/0x170 [ 3023.340150][ T7704] __sys_sendmsg+0xcd/0x170 [ 3023.340150][ T7704] do_syscall_64+0xc6/0x1e0 [ 3023.340150][ T7704] [ 3023.342409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3023.342409][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3023.342409][ T7704] ipv6_find_idev+0x102/0x170 [ 3023.342409][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3023.342409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3023.342409][ T7704] netlink_rcv_skb+0x130/0x360 [ 3023.342409][ T7704] netlink_unicast+0x449/0x710 [ 3023.342409][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3023.342409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3023.342409][ T7704] ___sys_sendmsg+0xee/0x170 [ 3023.342409][ T7704] __sys_sendmsg+0xcd/0x170 [ 3023.342409][ T7704] do_syscall_64+0xc6/0x1e0 [ 3023.342409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3023.342409][ T7704] [ 3023.344146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3023.344146][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3023.344146][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3023.344146][ T7704] ipv6_find_idev+0x102/0x170 [ 3023.344146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3023.344146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3023.344146][ T7704] netlink_rcv_skb+0x130/0x360 [ 3023.344146][ T7704] netlink_unicast+0x449/0x710 [ 3023.344146][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3023.344146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3023.344146][ T7704] ___sys_sendmsg+0xee/0x170 [ 3023.344146][ T7704] __sys_sendmsg+0xcd/0x170 [ 3023.344146][ T7704] do_syscall_64+0xc6/0x1e0 [ 3023.344146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3023.344146][ T7704] [ 3033.479012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3033.479483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3033.479483][ T7704] netdev_get_by_index+0x5e/0x80 [ 3033.479483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3033.479483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3033.479483][ T7704] ip6_route_add+0x1c/0x140 [ 3033.479483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3033.479483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3033.479483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.479483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.479483][ T7704] netlink_rcv_skb+0x130/0x360 [ 3033.479483][ T7704] netlink_unicast+0x449/0x710 [ 3033.479483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3033.479483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3033.479483][ T7704] ___sys_sendmsg+0xee/0x170 [ 3033.479483][ T7704] __sys_sendmsg+0xcd/0x170 [ 3033.479483][ T7704] do_syscall_64+0xc6/0x1e0 [ 3033.479483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.479483][ T7704] [ 3033.481771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3033.481771][ T7704] netdev_get_by_index+0x5e/0x80 [ 3033.481771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3033.481771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3033.481771][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3033.481771][ T7704] ipv6_add_addr+0x411/0x2000 [ 3033.481771][ T7704] inet6_addr_add+0x30e/0xa40 [ 3033.481771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.481771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.481771][ T7704] netlink_rcv_skb+0x130/0x360 [ 3033.481771][ T7704] netlink_unicast+0x449/0x710 [ 3033.481771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3033.481771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3033.481771][ T7704] ___sys_sendmsg+0xee/0x170 [ 3033.481771][ T7704] __sys_sendmsg+0xcd/0x170 [ 3033.481771][ T7704] do_syscall_64+0xc6/0x1e0 [ 3033.481771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.481771][ T7704] [ 3033.484022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3033.484022][ T7704] netdev_get_by_index+0x5e/0x80 [ 3033.484022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3033.484022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3033.484022][ T7704] ip6_route_add+0x1c/0x140 [ 3033.484022][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3033.484022][ T7704] addrconf_add_dev+0xe2/0x170 [ 3033.484022][ T7704] inet6_addr_add+0x12f/0xa40 [ 3033.484022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.484022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.484022][ T7704] netlink_rcv_skb+0x130/0x360 [ 3033.484022][ T7704] netlink_unicast+0x449/0x710 [ 3033.484022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3033.484022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3033.484022][ T7704] ___sys_sendmsg+0xee/0x170 [ 3033.484022][ T7704] __sys_sendmsg+0xcd/0x170 [ 3033.484022][ T7704] do_syscall_64+0xc6/0x1e0 [ 3033.484022][ T7704] [ 3033.486254][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3033.486254][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3033.486254][ T7704] ipv6_find_idev+0x102/0x170 [ 3033.486254][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.486254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.486254][ T7704] netlink_rcv_skb+0x130/0x360 [ 3033.486254][ T7704] netlink_unicast+0x449/0x710 [ 3033.486254][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3033.486254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3033.486254][ T7704] ___sys_sendmsg+0xee/0x170 [ 3033.486254][ T7704] __sys_sendmsg+0xcd/0x170 [ 3033.486254][ T7704] do_syscall_64+0xc6/0x1e0 [ 3033.486254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.486254][ T7704] [ 3033.487996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3033.487996][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3033.487996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3033.487996][ T7704] ipv6_find_idev+0x102/0x170 [ 3033.487996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.487996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.487996][ T7704] netlink_rcv_skb+0x130/0x360 [ 3033.487996][ T7704] netlink_unicast+0x449/0x710 [ 3033.487996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3033.487996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3033.487996][ T7704] ___sys_sendmsg+0xee/0x170 [ 3033.487996][ T7704] __sys_sendmsg+0xcd/0x170 [ 3033.487996][ T7704] do_syscall_64+0xc6/0x1e0 [ 3033.487996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.487996][ T7704] [ 3043.743011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3043.743552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3043.743552][ T7704] netdev_get_by_index+0x5e/0x80 [ 3043.743552][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3043.743552][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3043.743552][ T7704] ip6_route_add+0x1c/0x140 [ 3043.743552][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3043.743552][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3043.743552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.743552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.743552][ T7704] netlink_rcv_skb+0x130/0x360 [ 3043.743552][ T7704] netlink_unicast+0x449/0x710 [ 3043.743552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3043.743552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3043.743552][ T7704] ___sys_sendmsg+0xee/0x170 [ 3043.743552][ T7704] __sys_sendmsg+0xcd/0x170 [ 3043.743552][ T7704] do_syscall_64+0xc6/0x1e0 [ 3043.743552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.743552][ T7704] [ 3043.745872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3043.745872][ T7704] netdev_get_by_index+0x5e/0x80 [ 3043.745872][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3043.745872][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3043.745872][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3043.745872][ T7704] ipv6_add_addr+0x411/0x2000 [ 3043.745872][ T7704] inet6_addr_add+0x30e/0xa40 [ 3043.745872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.745872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.745872][ T7704] netlink_rcv_skb+0x130/0x360 [ 3043.745872][ T7704] netlink_unicast+0x449/0x710 [ 3043.745872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3043.745872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3043.745872][ T7704] ___sys_sendmsg+0xee/0x170 [ 3043.745872][ T7704] __sys_sendmsg+0xcd/0x170 [ 3043.745872][ T7704] do_syscall_64+0xc6/0x1e0 [ 3043.745872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.745872][ T7704] [ 3043.748135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3043.748135][ T7704] netdev_get_by_index+0x5e/0x80 [ 3043.748135][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3043.748135][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3043.748135][ T7704] ip6_route_add+0x1c/0x140 [ 3043.748135][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3043.748135][ T7704] addrconf_add_dev+0xe2/0x170 [ 3043.748135][ T7704] inet6_addr_add+0x12f/0xa40 [ 3043.748135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.748135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.748135][ T7704] netlink_rcv_skb+0x130/0x360 [ 3043.748135][ T7704] netlink_unicast+0x449/0x710 [ 3043.748135][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3043.748135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3043.748135][ T7704] ___sys_sendmsg+0xee/0x170 [ 3043.748135][ T7704] __sys_sendmsg+0xcd/0x170 [ 3043.748135][ T7704] do_syscall_64+0xc6/0x1e0 [ 3043.748135][ T7704] [ 3043.750358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3043.750358][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3043.750358][ T7704] ipv6_find_idev+0x102/0x170 [ 3043.750358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.750358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.750358][ T7704] netlink_rcv_skb+0x130/0x360 [ 3043.750358][ T7704] netlink_unicast+0x449/0x710 [ 3043.750358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3043.750358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3043.750358][ T7704] ___sys_sendmsg+0xee/0x170 [ 3043.750358][ T7704] __sys_sendmsg+0xcd/0x170 [ 3043.750358][ T7704] do_syscall_64+0xc6/0x1e0 [ 3043.750358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.750358][ T7704] [ 3043.752093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3043.752093][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3043.752093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3043.752093][ T7704] ipv6_find_idev+0x102/0x170 [ 3043.752093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.752093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.752093][ T7704] netlink_rcv_skb+0x130/0x360 [ 3043.752093][ T7704] netlink_unicast+0x449/0x710 [ 3043.752093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3043.752093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3043.752093][ T7704] ___sys_sendmsg+0xee/0x170 [ 3043.752093][ T7704] __sys_sendmsg+0xcd/0x170 [ 3043.752093][ T7704] do_syscall_64+0xc6/0x1e0 [ 3043.752093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.752093][ T7704] [ 3054.006990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3054.007544][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3054.007544][ T7704] netdev_get_by_index+0x5e/0x80 [ 3054.007544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3054.007544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3054.007544][ T7704] ip6_route_add+0x1c/0x140 [ 3054.007544][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3054.007544][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3054.007544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3054.007544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3054.007544][ T7704] netlink_rcv_skb+0x130/0x360 [ 3054.007544][ T7704] netlink_unicast+0x449/0x710 [ 3054.007544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3054.007544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3054.007544][ T7704] ___sys_sendmsg+0xee/0x170 [ 3054.007544][ T7704] __sys_sendmsg+0xcd/0x170 [ 3054.007544][ T7704] do_syscall_64+0xc6/0x1e0 [ 3054.007544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3054.007544][ T7704] [ 3054.009824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3054.009824][ T7704] netdev_get_by_index+0x5e/0x80 [ 3054.009824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3054.009824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3054.009824][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3054.009824][ T7704] ipv6_add_addr+0x411/0x2000 [ 3054.009824][ T7704] inet6_addr_add+0x30e/0xa40 [ 3054.009824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3054.009824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3054.009824][ T7704] netlink_rcv_skb+0x130/0x360 [ 3054.009824][ T7704] netlink_unicast+0x449/0x710 [ 3054.009824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3054.009824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3054.009824][ T7704] ___sys_sendmsg+0xee/0x170 [ 3054.009824][ T7704] __sys_sendmsg+0xcd/0x170 [ 3054.009824][ T7704] do_syscall_64+0xc6/0x1e0 [ 3054.009824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3054.009824][ T7704] [ 3054.012101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3054.012101][ T7704] netdev_get_by_index+0x5e/0x80 [ 3054.012101][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3054.012101][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3054.012101][ T7704] ip6_route_add+0x1c/0x140 [ 3054.012101][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3054.012101][ T7704] addrconf_add_dev+0xe2/0x170 [ 3054.012101][ T7704] inet6_addr_add+0x12f/0xa40 [ 3054.012101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3054.012101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3054.012101][ T7704] netlink_rcv_skb+0x130/0x360 [ 3054.012101][ T7704] netlink_unicast+0x449/0x710 [ 3054.012101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3054.012101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3054.012101][ T7704] ___sys_sendmsg+0xee/0x170 [ 3054.012101][ T7704] __sys_sendmsg+0xcd/0x170 [ 3054.012101][ T7704] do_syscall_64+0xc6/0x1e0 [ 3054.012101][ T7704] [ 3054.014333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3054.014333][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3054.014333][ T7704] ipv6_find_idev+0x102/0x170 [ 3054.014333][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3054.014333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3054.014333][ T7704] netlink_rcv_skb+0x130/0x360 [ 3054.014333][ T7704] netlink_unicast+0x449/0x710 [ 3054.014333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3054.014333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3054.014333][ T7704] ___sys_sendmsg+0xee/0x170 [ 3054.014333][ T7704] __sys_sendmsg+0xcd/0x170 [ 3054.014333][ T7704] do_syscall_64+0xc6/0x1e0 [ 3054.014333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3054.014333][ T7704] [ 3054.016092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3054.016092][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3054.016092][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3054.016092][ T7704] ipv6_find_idev+0x102/0x170 [ 3054.016092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3054.016092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3054.016092][ T7704] netlink_rcv_skb+0x130/0x360 [ 3054.016092][ T7704] netlink_unicast+0x449/0x710 [ 3054.016092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3054.016092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3054.016092][ T7704] ___sys_sendmsg+0xee/0x170 [ 3054.016092][ T7704] __sys_sendmsg+0xcd/0x170 [ 3054.016092][ T7704] do_syscall_64+0xc6/0x1e0 [ 3054.016092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3054.016092][ T7704] [ 3064.199014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3064.199528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3064.199528][ T7704] netdev_get_by_index+0x5e/0x80 [ 3064.199528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3064.199528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3064.199528][ T7704] ip6_route_add+0x1c/0x140 [ 3064.199528][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3064.199528][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3064.199528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3064.199528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3064.199528][ T7704] netlink_rcv_skb+0x130/0x360 [ 3064.199528][ T7704] netlink_unicast+0x449/0x710 [ 3064.199528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3064.199528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3064.199528][ T7704] ___sys_sendmsg+0xee/0x170 [ 3064.199528][ T7704] __sys_sendmsg+0xcd/0x170 [ 3064.199528][ T7704] do_syscall_64+0xc6/0x1e0 [ 3064.199528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3064.199528][ T7704] [ 3064.202014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3064.202014][ T7704] netdev_get_by_index+0x5e/0x80 [ 3064.202014][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3064.202014][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3064.202014][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3064.202014][ T7704] ipv6_add_addr+0x411/0x2000 [ 3064.202014][ T7704] inet6_addr_add+0x30e/0xa40 [ 3064.202014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3064.202014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3064.202014][ T7704] netlink_rcv_skb+0x130/0x360 [ 3064.202014][ T7704] netlink_unicast+0x449/0x710 [ 3064.202014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3064.202014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3064.202014][ T7704] ___sys_sendmsg+0xee/0x170 [ 3064.202014][ T7704] __sys_sendmsg+0xcd/0x170 [ 3064.202014][ T7704] do_syscall_64+0xc6/0x1e0 [ 3064.202014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3064.202014][ T7704] [ 3064.205002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3064.205002][ T7704] netdev_get_by_index+0x5e/0x80 [ 3064.205002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3064.205002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3064.205002][ T7704] ip6_route_add+0x1c/0x140 [ 3064.205002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3064.205002][ T7704] addrconf_add_dev+0xe2/0x170 [ 3064.205002][ T7704] inet6_addr_add+0x12f/0xa40 [ 3064.205002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3064.205002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3064.205002][ T7704] netlink_rcv_skb+0x130/0x360 [ 3064.205002][ T7704] netlink_unicast+0x449/0x710 [ 3064.205002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3064.205002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3064.205002][ T7704] ___sys_sendmsg+0xee/0x170 [ 3064.205002][ T7704] __sys_sendmsg+0xcd/0x170 [ 3064.205002][ T7704] do_syscall_64+0xc6/0x1e0 [ 3064.205002][ T7704] [ 3064.207827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3064.207827][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3064.207827][ T7704] ipv6_find_idev+0x102/0x170 [ 3064.207827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3064.207827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3064.207827][ T7704] netlink_rcv_skb+0x130/0x360 [ 3064.207827][ T7704] netlink_unicast+0x449/0x710 [ 3064.207827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3064.207827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3064.207827][ T7704] ___sys_sendmsg+0xee/0x170 [ 3064.207827][ T7704] __sys_sendmsg+0xcd/0x170 [ 3064.207827][ T7704] do_syscall_64+0xc6/0x1e0 [ 3064.207827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3064.207827][ T7704] [ 3064.209712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3064.209712][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3064.209712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3064.209712][ T7704] ipv6_find_idev+0x102/0x170 [ 3064.209712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3064.209712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3064.209712][ T7704] netlink_rcv_skb+0x130/0x360 [ 3064.209712][ T7704] netlink_unicast+0x449/0x710 [ 3064.209712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3064.209712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3064.209712][ T7704] ___sys_sendmsg+0xee/0x170 [ 3064.209712][ T7704] __sys_sendmsg+0xcd/0x170 [ 3064.209712][ T7704] do_syscall_64+0xc6/0x1e0 [ 3064.209712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3064.209712][ T7704] [ 3074.455045][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3074.455607][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3074.455607][ T7704] netdev_get_by_index+0x5e/0x80 [ 3074.455607][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3074.455607][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3074.455607][ T7704] ip6_route_add+0x1c/0x140 [ 3074.455607][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3074.455607][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3074.455607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.455607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.455607][ T7704] netlink_rcv_skb+0x130/0x360 [ 3074.455607][ T7704] netlink_unicast+0x449/0x710 [ 3074.455607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3074.455607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3074.455607][ T7704] ___sys_sendmsg+0xee/0x170 [ 3074.455607][ T7704] __sys_sendmsg+0xcd/0x170 [ 3074.455607][ T7704] do_syscall_64+0xc6/0x1e0 [ 3074.455607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.455607][ T7704] [ 3074.457886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3074.457886][ T7704] netdev_get_by_index+0x5e/0x80 [ 3074.457886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3074.457886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3074.457886][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3074.457886][ T7704] ipv6_add_addr+0x411/0x2000 [ 3074.457886][ T7704] inet6_addr_add+0x30e/0xa40 [ 3074.457886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.457886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.457886][ T7704] netlink_rcv_skb+0x130/0x360 [ 3074.457886][ T7704] netlink_unicast+0x449/0x710 [ 3074.457886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3074.457886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3074.457886][ T7704] ___sys_sendmsg+0xee/0x170 [ 3074.457886][ T7704] __sys_sendmsg+0xcd/0x170 [ 3074.457886][ T7704] do_syscall_64+0xc6/0x1e0 [ 3074.457886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.457886][ T7704] [ 3074.460134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3074.460134][ T7704] netdev_get_by_index+0x5e/0x80 [ 3074.460134][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3074.460134][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3074.460134][ T7704] ip6_route_add+0x1c/0x140 [ 3074.460134][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3074.460134][ T7704] addrconf_add_dev+0xe2/0x170 [ 3074.460134][ T7704] inet6_addr_add+0x12f/0xa40 [ 3074.460134][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.460134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.460134][ T7704] netlink_rcv_skb+0x130/0x360 [ 3074.460134][ T7704] netlink_unicast+0x449/0x710 [ 3074.460134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3074.460134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3074.460134][ T7704] ___sys_sendmsg+0xee/0x170 [ 3074.460134][ T7704] __sys_sendmsg+0xcd/0x170 [ 3074.460134][ T7704] do_syscall_64+0xc6/0x1e0 [ 3074.460134][ T7704] [ 3074.462354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3074.462354][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3074.462354][ T7704] ipv6_find_idev+0x102/0x170 [ 3074.462354][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.462354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.462354][ T7704] netlink_rcv_skb+0x130/0x360 [ 3074.462354][ T7704] netlink_unicast+0x449/0x710 [ 3074.462354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3074.462354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3074.462354][ T7704] ___sys_sendmsg+0xee/0x170 [ 3074.462354][ T7704] __sys_sendmsg+0xcd/0x170 [ 3074.462354][ T7704] do_syscall_64+0xc6/0x1e0 [ 3074.462354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.462354][ T7704] [ 3074.464089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3074.464089][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3074.464089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3074.464089][ T7704] ipv6_find_idev+0x102/0x170 [ 3074.464089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.464089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.464089][ T7704] netlink_rcv_skb+0x130/0x360 [ 3074.464089][ T7704] netlink_unicast+0x449/0x710 [ 3074.464089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3074.464089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3074.464089][ T7704] ___sys_sendmsg+0xee/0x170 [ 3074.464089][ T7704] __sys_sendmsg+0xcd/0x170 [ 3074.464089][ T7704] do_syscall_64+0xc6/0x1e0 [ 3074.464089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.464089][ T7704] [ 3084.702960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3084.703471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3084.703471][ T7704] netdev_get_by_index+0x5e/0x80 [ 3084.703471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3084.703471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3084.703471][ T7704] ip6_route_add+0x1c/0x140 [ 3084.703471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3084.703471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3084.703471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.703471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.703471][ T7704] netlink_rcv_skb+0x130/0x360 [ 3084.703471][ T7704] netlink_unicast+0x449/0x710 [ 3084.703471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3084.703471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3084.703471][ T7704] ___sys_sendmsg+0xee/0x170 [ 3084.703471][ T7704] __sys_sendmsg+0xcd/0x170 [ 3084.703471][ T7704] do_syscall_64+0xc6/0x1e0 [ 3084.703471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.703471][ T7704] [ 3084.705961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3084.705961][ T7704] netdev_get_by_index+0x5e/0x80 [ 3084.705961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3084.705961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3084.705961][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3084.705961][ T7704] ipv6_add_addr+0x411/0x2000 [ 3084.705961][ T7704] inet6_addr_add+0x30e/0xa40 [ 3084.705961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.705961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.705961][ T7704] netlink_rcv_skb+0x130/0x360 [ 3084.705961][ T7704] netlink_unicast+0x449/0x710 [ 3084.705961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3084.705961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3084.705961][ T7704] ___sys_sendmsg+0xee/0x170 [ 3084.705961][ T7704] __sys_sendmsg+0xcd/0x170 [ 3084.705961][ T7704] do_syscall_64+0xc6/0x1e0 [ 3084.705961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.705961][ T7704] [ 3084.708396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3084.708396][ T7704] netdev_get_by_index+0x5e/0x80 [ 3084.708396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3084.708396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3084.708396][ T7704] ip6_route_add+0x1c/0x140 [ 3084.708396][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3084.708396][ T7704] addrconf_add_dev+0xe2/0x170 [ 3084.708396][ T7704] inet6_addr_add+0x12f/0xa40 [ 3084.708396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.708396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.708396][ T7704] netlink_rcv_skb+0x130/0x360 [ 3084.708396][ T7704] netlink_unicast+0x449/0x710 [ 3084.708396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3084.708396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3084.708396][ T7704] ___sys_sendmsg+0xee/0x170 [ 3084.708396][ T7704] __sys_sendmsg+0xcd/0x170 [ 3084.708396][ T7704] do_syscall_64+0xc6/0x1e0 [ 3084.708396][ T7704] [ 3084.710771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3084.710771][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3084.710771][ T7704] ipv6_find_idev+0x102/0x170 [ 3084.710771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.710771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.710771][ T7704] netlink_rcv_skb+0x130/0x360 [ 3084.710771][ T7704] netlink_unicast+0x449/0x710 [ 3084.710771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3084.710771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3084.710771][ T7704] ___sys_sendmsg+0xee/0x170 [ 3084.710771][ T7704] __sys_sendmsg+0xcd/0x170 [ 3084.710771][ T7704] do_syscall_64+0xc6/0x1e0 [ 3084.710771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.710771][ T7704] [ 3084.712632][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3084.712632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3084.712632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3084.712632][ T7704] ipv6_find_idev+0x102/0x170 [ 3084.712632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.712632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.712632][ T7704] netlink_rcv_skb+0x130/0x360 [ 3084.712632][ T7704] netlink_unicast+0x449/0x710 [ 3084.712632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3084.712632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3084.712632][ T7704] ___sys_sendmsg+0xee/0x170 [ 3084.712632][ T7704] __sys_sendmsg+0xcd/0x170 [ 3084.712632][ T7704] do_syscall_64+0xc6/0x1e0 [ 3084.712632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.712632][ T7704] [ 3094.726957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3094.727500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3094.727500][ T7704] netdev_get_by_index+0x5e/0x80 [ 3094.727500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3094.727500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3094.727500][ T7704] ip6_route_add+0x1c/0x140 [ 3094.727500][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3094.727500][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3094.727500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.727500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.727500][ T7704] netlink_rcv_skb+0x130/0x360 [ 3094.727500][ T7704] netlink_unicast+0x449/0x710 [ 3094.727500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3094.727500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3094.727500][ T7704] ___sys_sendmsg+0xee/0x170 [ 3094.727500][ T7704] __sys_sendmsg+0xcd/0x170 [ 3094.727500][ T7704] do_syscall_64+0xc6/0x1e0 [ 3094.727500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.727500][ T7704] [ 3094.729798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3094.729798][ T7704] netdev_get_by_index+0x5e/0x80 [ 3094.729798][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3094.729798][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3094.729798][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3094.729798][ T7704] ipv6_add_addr+0x411/0x2000 [ 3094.729798][ T7704] inet6_addr_add+0x30e/0xa40 [ 3094.729798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.729798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.729798][ T7704] netlink_rcv_skb+0x130/0x360 [ 3094.729798][ T7704] netlink_unicast+0x449/0x710 [ 3094.729798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3094.729798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3094.729798][ T7704] ___sys_sendmsg+0xee/0x170 [ 3094.729798][ T7704] __sys_sendmsg+0xcd/0x170 [ 3094.729798][ T7704] do_syscall_64+0xc6/0x1e0 [ 3094.729798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.729798][ T7704] [ 3094.732056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3094.732056][ T7704] netdev_get_by_index+0x5e/0x80 [ 3094.732056][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3094.732056][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3094.732056][ T7704] ip6_route_add+0x1c/0x140 [ 3094.732056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3094.732056][ T7704] addrconf_add_dev+0xe2/0x170 [ 3094.732056][ T7704] inet6_addr_add+0x12f/0xa40 [ 3094.732056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.732056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.732056][ T7704] netlink_rcv_skb+0x130/0x360 [ 3094.732056][ T7704] netlink_unicast+0x449/0x710 [ 3094.732056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3094.732056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3094.732056][ T7704] ___sys_sendmsg+0xee/0x170 [ 3094.732056][ T7704] __sys_sendmsg+0xcd/0x170 [ 3094.732056][ T7704] do_syscall_64+0xc6/0x1e0 [ 3094.732056][ T7704] [ 3094.734272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3094.734272][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3094.734272][ T7704] ipv6_find_idev+0x102/0x170 [ 3094.734272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.734272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.734272][ T7704] netlink_rcv_skb+0x130/0x360 [ 3094.734272][ T7704] netlink_unicast+0x449/0x710 [ 3094.734272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3094.734272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3094.734272][ T7704] ___sys_sendmsg+0xee/0x170 [ 3094.734272][ T7704] __sys_sendmsg+0xcd/0x170 [ 3094.734272][ T7704] do_syscall_64+0xc6/0x1e0 [ 3094.734272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.734272][ T7704] [ 3094.736150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3094.736150][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3094.736150][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3094.736150][ T7704] ipv6_find_idev+0x102/0x170 [ 3094.736150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.736150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.736150][ T7704] netlink_rcv_skb+0x130/0x360 [ 3094.736150][ T7704] netlink_unicast+0x449/0x710 [ 3094.736150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3094.736150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3094.736150][ T7704] ___sys_sendmsg+0xee/0x170 [ 3094.736150][ T7704] __sys_sendmsg+0xcd/0x170 [ 3094.736150][ T7704] do_syscall_64+0xc6/0x1e0 [ 3094.736150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.736150][ T7704] [ 3104.974907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3104.975455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3104.975455][ T7704] netdev_get_by_index+0x5e/0x80 [ 3104.975455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3104.975455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3104.975455][ T7704] ip6_route_add+0x1c/0x140 [ 3104.975455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3104.975455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3104.975455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.975455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.975455][ T7704] netlink_rcv_skb+0x130/0x360 [ 3104.975455][ T7704] netlink_unicast+0x449/0x710 [ 3104.975455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3104.975455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3104.975455][ T7704] ___sys_sendmsg+0xee/0x170 [ 3104.975455][ T7704] __sys_sendmsg+0xcd/0x170 [ 3104.975455][ T7704] do_syscall_64+0xc6/0x1e0 [ 3104.975455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.975455][ T7704] [ 3104.977770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3104.977770][ T7704] netdev_get_by_index+0x5e/0x80 [ 3104.977770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3104.977770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3104.977770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3104.977770][ T7704] ipv6_add_addr+0x411/0x2000 [ 3104.977770][ T7704] inet6_addr_add+0x30e/0xa40 [ 3104.977770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.977770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.977770][ T7704] netlink_rcv_skb+0x130/0x360 [ 3104.977770][ T7704] netlink_unicast+0x449/0x710 [ 3104.977770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3104.977770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3104.977770][ T7704] ___sys_sendmsg+0xee/0x170 [ 3104.977770][ T7704] __sys_sendmsg+0xcd/0x170 [ 3104.977770][ T7704] do_syscall_64+0xc6/0x1e0 [ 3104.977770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.977770][ T7704] [ 3104.980127][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3104.980127][ T7704] netdev_get_by_index+0x5e/0x80 [ 3104.980127][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3104.980127][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3104.980127][ T7704] ip6_route_add+0x1c/0x140 [ 3104.980127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3104.980127][ T7704] addrconf_add_dev+0xe2/0x170 [ 3104.980127][ T7704] inet6_addr_add+0x12f/0xa40 [ 3104.980127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.980127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.980127][ T7704] netlink_rcv_skb+0x130/0x360 [ 3104.980127][ T7704] netlink_unicast+0x449/0x710 [ 3104.980127][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3104.980127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3104.980127][ T7704] ___sys_sendmsg+0xee/0x170 [ 3104.980127][ T7704] __sys_sendmsg+0xcd/0x170 [ 3104.980127][ T7704] do_syscall_64+0xc6/0x1e0 [ 3104.980127][ T7704] [ 3104.982355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3104.982355][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3104.982355][ T7704] ipv6_find_idev+0x102/0x170 [ 3104.982355][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.982355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.982355][ T7704] netlink_rcv_skb+0x130/0x360 [ 3104.982355][ T7704] netlink_unicast+0x449/0x710 [ 3104.982355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3104.982355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3104.982355][ T7704] ___sys_sendmsg+0xee/0x170 [ 3104.982355][ T7704] __sys_sendmsg+0xcd/0x170 [ 3104.982355][ T7704] do_syscall_64+0xc6/0x1e0 [ 3104.982355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.982355][ T7704] [ 3104.984083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3104.984083][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3104.984083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3104.984083][ T7704] ipv6_find_idev+0x102/0x170 [ 3104.984083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.984083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.984083][ T7704] netlink_rcv_skb+0x130/0x360 [ 3104.984083][ T7704] netlink_unicast+0x449/0x710 [ 3104.984083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3104.984083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3104.984083][ T7704] ___sys_sendmsg+0xee/0x170 [ 3104.984083][ T7704] __sys_sendmsg+0xcd/0x170 [ 3104.984083][ T7704] do_syscall_64+0xc6/0x1e0 [ 3104.984083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.984083][ T7704] [ 3115.015004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3115.015483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3115.015483][ T7704] netdev_get_by_index+0x5e/0x80 [ 3115.015483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3115.015483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3115.015483][ T7704] ip6_route_add+0x1c/0x140 [ 3115.015483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3115.015483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3115.015483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.015483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.015483][ T7704] netlink_rcv_skb+0x130/0x360 [ 3115.015483][ T7704] netlink_unicast+0x449/0x710 [ 3115.015483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3115.015483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3115.015483][ T7704] ___sys_sendmsg+0xee/0x170 [ 3115.015483][ T7704] __sys_sendmsg+0xcd/0x170 [ 3115.015483][ T7704] do_syscall_64+0xc6/0x1e0 [ 3115.015483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.015483][ T7704] [ 3115.017767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3115.017767][ T7704] netdev_get_by_index+0x5e/0x80 [ 3115.017767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3115.017767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3115.017767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3115.017767][ T7704] ipv6_add_addr+0x411/0x2000 [ 3115.017767][ T7704] inet6_addr_add+0x30e/0xa40 [ 3115.017767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.017767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.017767][ T7704] netlink_rcv_skb+0x130/0x360 [ 3115.017767][ T7704] netlink_unicast+0x449/0x710 [ 3115.017767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3115.017767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3115.017767][ T7704] ___sys_sendmsg+0xee/0x170 [ 3115.017767][ T7704] __sys_sendmsg+0xcd/0x170 [ 3115.017767][ T7704] do_syscall_64+0xc6/0x1e0 [ 3115.017767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.017767][ T7704] [ 3115.020031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3115.020031][ T7704] netdev_get_by_index+0x5e/0x80 [ 3115.020031][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3115.020031][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3115.020031][ T7704] ip6_route_add+0x1c/0x140 [ 3115.020031][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3115.020031][ T7704] addrconf_add_dev+0xe2/0x170 [ 3115.020031][ T7704] inet6_addr_add+0x12f/0xa40 [ 3115.020031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.020031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.020031][ T7704] netlink_rcv_skb+0x130/0x360 [ 3115.020031][ T7704] netlink_unicast+0x449/0x710 [ 3115.020031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3115.020031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3115.020031][ T7704] ___sys_sendmsg+0xee/0x170 [ 3115.020031][ T7704] __sys_sendmsg+0xcd/0x170 [ 3115.020031][ T7704] do_syscall_64+0xc6/0x1e0 [ 3115.020031][ T7704] [ 3115.022261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3115.022261][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3115.022261][ T7704] ipv6_find_idev+0x102/0x170 [ 3115.022261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.022261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.022261][ T7704] netlink_rcv_skb+0x130/0x360 [ 3115.022261][ T7704] netlink_unicast+0x449/0x710 [ 3115.022261][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3115.022261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3115.022261][ T7704] ___sys_sendmsg+0xee/0x170 [ 3115.022261][ T7704] __sys_sendmsg+0xcd/0x170 [ 3115.022261][ T7704] do_syscall_64+0xc6/0x1e0 [ 3115.022261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.022261][ T7704] [ 3115.024014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3115.024014][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3115.024014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3115.024014][ T7704] ipv6_find_idev+0x102/0x170 [ 3115.024014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.024014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.024014][ T7704] netlink_rcv_skb+0x130/0x360 [ 3115.024014][ T7704] netlink_unicast+0x449/0x710 [ 3115.024014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3115.024014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3115.024014][ T7704] ___sys_sendmsg+0xee/0x170 [ 3115.024014][ T7704] __sys_sendmsg+0xcd/0x170 [ 3115.024014][ T7704] do_syscall_64+0xc6/0x1e0 [ 3115.024014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.024014][ T7704] [ 3125.278967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3125.279531][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3125.279531][ T7704] netdev_get_by_index+0x5e/0x80 [ 3125.279531][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3125.279531][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3125.279531][ T7704] ip6_route_add+0x1c/0x140 [ 3125.279531][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3125.279531][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3125.279531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.279531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.279531][ T7704] netlink_rcv_skb+0x130/0x360 [ 3125.279531][ T7704] netlink_unicast+0x449/0x710 [ 3125.279531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3125.279531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3125.279531][ T7704] ___sys_sendmsg+0xee/0x170 [ 3125.279531][ T7704] __sys_sendmsg+0xcd/0x170 [ 3125.279531][ T7704] do_syscall_64+0xc6/0x1e0 [ 3125.279531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.279531][ T7704] [ 3125.281823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3125.281823][ T7704] netdev_get_by_index+0x5e/0x80 [ 3125.281823][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3125.281823][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3125.281823][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3125.281823][ T7704] ipv6_add_addr+0x411/0x2000 [ 3125.281823][ T7704] inet6_addr_add+0x30e/0xa40 [ 3125.281823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.281823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.281823][ T7704] netlink_rcv_skb+0x130/0x360 [ 3125.281823][ T7704] netlink_unicast+0x449/0x710 [ 3125.281823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3125.281823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3125.281823][ T7704] ___sys_sendmsg+0xee/0x170 [ 3125.281823][ T7704] __sys_sendmsg+0xcd/0x170 [ 3125.281823][ T7704] do_syscall_64+0xc6/0x1e0 [ 3125.281823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.281823][ T7704] [ 3125.284085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3125.284085][ T7704] netdev_get_by_index+0x5e/0x80 [ 3125.284085][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3125.284085][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3125.284085][ T7704] ip6_route_add+0x1c/0x140 [ 3125.284085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3125.284085][ T7704] addrconf_add_dev+0xe2/0x170 [ 3125.284085][ T7704] inet6_addr_add+0x12f/0xa40 [ 3125.284085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.284085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.284085][ T7704] netlink_rcv_skb+0x130/0x360 [ 3125.284085][ T7704] netlink_unicast+0x449/0x710 [ 3125.284085][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3125.284085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3125.284085][ T7704] ___sys_sendmsg+0xee/0x170 [ 3125.284085][ T7704] __sys_sendmsg+0xcd/0x170 [ 3125.284085][ T7704] do_syscall_64+0xc6/0x1e0 [ 3125.284085][ T7704] [ 3125.286325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3125.286325][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3125.286325][ T7704] ipv6_find_idev+0x102/0x170 [ 3125.286325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.286325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.286325][ T7704] netlink_rcv_skb+0x130/0x360 [ 3125.286325][ T7704] netlink_unicast+0x449/0x710 [ 3125.286325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3125.286325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3125.286325][ T7704] ___sys_sendmsg+0xee/0x170 [ 3125.286325][ T7704] __sys_sendmsg+0xcd/0x170 [ 3125.286325][ T7704] do_syscall_64+0xc6/0x1e0 [ 3125.286325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.286325][ T7704] [ 3125.288061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3125.288061][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3125.288061][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3125.288061][ T7704] ipv6_find_idev+0x102/0x170 [ 3125.288061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.288061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.288061][ T7704] netlink_rcv_skb+0x130/0x360 [ 3125.288061][ T7704] netlink_unicast+0x449/0x710 [ 3125.288061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3125.288061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3125.288061][ T7704] ___sys_sendmsg+0xee/0x170 [ 3125.288061][ T7704] __sys_sendmsg+0xcd/0x170 [ 3125.288061][ T7704] do_syscall_64+0xc6/0x1e0 [ 3125.288061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.288061][ T7704] [ 3135.326957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3135.327405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3135.327405][ T7704] netdev_get_by_index+0x5e/0x80 [ 3135.327405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3135.327405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3135.327405][ T7704] ip6_route_add+0x1c/0x140 [ 3135.327405][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3135.327405][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3135.327405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.327405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.327405][ T7704] netlink_rcv_skb+0x130/0x360 [ 3135.327405][ T7704] netlink_unicast+0x449/0x710 [ 3135.327405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3135.327405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3135.327405][ T7704] ___sys_sendmsg+0xee/0x170 [ 3135.327405][ T7704] __sys_sendmsg+0xcd/0x170 [ 3135.327405][ T7704] do_syscall_64+0xc6/0x1e0 [ 3135.327405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.327405][ T7704] [ 3135.329674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3135.329674][ T7704] netdev_get_by_index+0x5e/0x80 [ 3135.329674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3135.329674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3135.329674][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3135.329674][ T7704] ipv6_add_addr+0x411/0x2000 [ 3135.329674][ T7704] inet6_addr_add+0x30e/0xa40 [ 3135.329674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.329674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.329674][ T7704] netlink_rcv_skb+0x130/0x360 [ 3135.329674][ T7704] netlink_unicast+0x449/0x710 [ 3135.329674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3135.329674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3135.329674][ T7704] ___sys_sendmsg+0xee/0x170 [ 3135.329674][ T7704] __sys_sendmsg+0xcd/0x170 [ 3135.329674][ T7704] do_syscall_64+0xc6/0x1e0 [ 3135.329674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.329674][ T7704] [ 3135.331888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3135.331888][ T7704] netdev_get_by_index+0x5e/0x80 [ 3135.331888][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3135.331888][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3135.331888][ T7704] ip6_route_add+0x1c/0x140 [ 3135.331888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3135.331888][ T7704] addrconf_add_dev+0xe2/0x170 [ 3135.331888][ T7704] inet6_addr_add+0x12f/0xa40 [ 3135.331888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.331888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.331888][ T7704] netlink_rcv_skb+0x130/0x360 [ 3135.331888][ T7704] netlink_unicast+0x449/0x710 [ 3135.331888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3135.331888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3135.331888][ T7704] ___sys_sendmsg+0xee/0x170 [ 3135.331888][ T7704] __sys_sendmsg+0xcd/0x170 [ 3135.331888][ T7704] do_syscall_64+0xc6/0x1e0 [ 3135.331888][ T7704] [ 3135.334088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3135.334088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3135.334088][ T7704] ipv6_find_idev+0x102/0x170 [ 3135.334088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.334088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.334088][ T7704] netlink_rcv_skb+0x130/0x360 [ 3135.334088][ T7704] netlink_unicast+0x449/0x710 [ 3135.334088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3135.334088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3135.334088][ T7704] ___sys_sendmsg+0xee/0x170 [ 3135.334088][ T7704] __sys_sendmsg+0xcd/0x170 [ 3135.334088][ T7704] do_syscall_64+0xc6/0x1e0 [ 3135.334088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.334088][ T7704] [ 3135.335821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3135.335821][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3135.335821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3135.335821][ T7704] ipv6_find_idev+0x102/0x170 [ 3135.335821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.335821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.335821][ T7704] netlink_rcv_skb+0x130/0x360 [ 3135.335821][ T7704] netlink_unicast+0x449/0x710 [ 3135.335821][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3135.335821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3135.335821][ T7704] ___sys_sendmsg+0xee/0x170 [ 3135.335821][ T7704] __sys_sendmsg+0xcd/0x170 [ 3135.335821][ T7704] do_syscall_64+0xc6/0x1e0 [ 3135.335821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.335821][ T7704] [ 3145.839058][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3145.839531][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3145.839531][ T7704] netdev_get_by_index+0x5e/0x80 [ 3145.839531][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3145.839531][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3145.839531][ T7704] ip6_route_add+0x1c/0x140 [ 3145.839531][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3145.839531][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3145.839531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.839531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.839531][ T7704] netlink_rcv_skb+0x130/0x360 [ 3145.839531][ T7704] netlink_unicast+0x449/0x710 [ 3145.839531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3145.839531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3145.839531][ T7704] ___sys_sendmsg+0xee/0x170 [ 3145.839531][ T7704] __sys_sendmsg+0xcd/0x170 [ 3145.839531][ T7704] do_syscall_64+0xc6/0x1e0 [ 3145.839531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.839531][ T7704] [ 3145.841806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3145.841806][ T7704] netdev_get_by_index+0x5e/0x80 [ 3145.841806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3145.841806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3145.841806][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3145.841806][ T7704] ipv6_add_addr+0x411/0x2000 [ 3145.841806][ T7704] inet6_addr_add+0x30e/0xa40 [ 3145.841806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.841806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.841806][ T7704] netlink_rcv_skb+0x130/0x360 [ 3145.841806][ T7704] netlink_unicast+0x449/0x710 [ 3145.841806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3145.841806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3145.841806][ T7704] ___sys_sendmsg+0xee/0x170 [ 3145.841806][ T7704] __sys_sendmsg+0xcd/0x170 [ 3145.841806][ T7704] do_syscall_64+0xc6/0x1e0 [ 3145.841806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.841806][ T7704] [ 3145.844020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3145.844020][ T7704] netdev_get_by_index+0x5e/0x80 [ 3145.844020][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3145.844020][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3145.844020][ T7704] ip6_route_add+0x1c/0x140 [ 3145.844020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3145.844020][ T7704] addrconf_add_dev+0xe2/0x170 [ 3145.844020][ T7704] inet6_addr_add+0x12f/0xa40 [ 3145.844020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.844020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.844020][ T7704] netlink_rcv_skb+0x130/0x360 [ 3145.844020][ T7704] netlink_unicast+0x449/0x710 [ 3145.844020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3145.844020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3145.844020][ T7704] ___sys_sendmsg+0xee/0x170 [ 3145.844020][ T7704] __sys_sendmsg+0xcd/0x170 [ 3145.844020][ T7704] do_syscall_64+0xc6/0x1e0 [ 3145.844020][ T7704] [ 3145.846262][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3145.846262][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3145.846262][ T7704] ipv6_find_idev+0x102/0x170 [ 3145.846262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.846262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.846262][ T7704] netlink_rcv_skb+0x130/0x360 [ 3145.846262][ T7704] netlink_unicast+0x449/0x710 [ 3145.846262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3145.846262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3145.846262][ T7704] ___sys_sendmsg+0xee/0x170 [ 3145.846262][ T7704] __sys_sendmsg+0xcd/0x170 [ 3145.846262][ T7704] do_syscall_64+0xc6/0x1e0 [ 3145.846262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.846262][ T7704] [ 3145.847969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3145.847969][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3145.847969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3145.847969][ T7704] ipv6_find_idev+0x102/0x170 [ 3145.847969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.847969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.847969][ T7704] netlink_rcv_skb+0x130/0x360 [ 3145.847969][ T7704] netlink_unicast+0x449/0x710 [ 3145.847969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3145.847969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3145.847969][ T7704] ___sys_sendmsg+0xee/0x170 [ 3145.847969][ T7704] __sys_sendmsg+0xcd/0x170 [ 3145.847969][ T7704] do_syscall_64+0xc6/0x1e0 [ 3145.847969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.847969][ T7704] [ 3156.095006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3156.095496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3156.095496][ T7704] netdev_get_by_index+0x5e/0x80 [ 3156.095496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3156.095496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3156.095496][ T7704] ip6_route_add+0x1c/0x140 [ 3156.095496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3156.095496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3156.095496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3156.095496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3156.095496][ T7704] netlink_rcv_skb+0x130/0x360 [ 3156.095496][ T7704] netlink_unicast+0x449/0x710 [ 3156.095496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3156.095496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3156.095496][ T7704] ___sys_sendmsg+0xee/0x170 [ 3156.095496][ T7704] __sys_sendmsg+0xcd/0x170 [ 3156.095496][ T7704] do_syscall_64+0xc6/0x1e0 [ 3156.095496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3156.095496][ T7704] [ 3156.097739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3156.097739][ T7704] netdev_get_by_index+0x5e/0x80 [ 3156.097739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3156.097739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3156.097739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3156.097739][ T7704] ipv6_add_addr+0x411/0x2000 [ 3156.097739][ T7704] inet6_addr_add+0x30e/0xa40 [ 3156.097739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3156.097739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3156.097739][ T7704] netlink_rcv_skb+0x130/0x360 [ 3156.097739][ T7704] netlink_unicast+0x449/0x710 [ 3156.097739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3156.097739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3156.097739][ T7704] ___sys_sendmsg+0xee/0x170 [ 3156.097739][ T7704] __sys_sendmsg+0xcd/0x170 [ 3156.097739][ T7704] do_syscall_64+0xc6/0x1e0 [ 3156.097739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3156.097739][ T7704] [ 3156.099957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3156.099957][ T7704] netdev_get_by_index+0x5e/0x80 [ 3156.099957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3156.099957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3156.099957][ T7704] ip6_route_add+0x1c/0x140 [ 3156.099957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3156.099957][ T7704] addrconf_add_dev+0xe2/0x170 [ 3156.099957][ T7704] inet6_addr_add+0x12f/0xa40 [ 3156.099957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3156.099957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3156.099957][ T7704] netlink_rcv_skb+0x130/0x360 [ 3156.099957][ T7704] netlink_unicast+0x449/0x710 [ 3156.099957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3156.099957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3156.099957][ T7704] ___sys_sendmsg+0xee/0x170 [ 3156.099957][ T7704] __sys_sendmsg+0xcd/0x170 [ 3156.099957][ T7704] do_syscall_64+0xc6/0x1e0 [ 3156.099957][ T7704] [ 3156.102126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3156.102126][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3156.102126][ T7704] ipv6_find_idev+0x102/0x170 [ 3156.102126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3156.102126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3156.102126][ T7704] netlink_rcv_skb+0x130/0x360 [ 3156.102126][ T7704] netlink_unicast+0x449/0x710 [ 3156.102126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3156.102126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3156.102126][ T7704] ___sys_sendmsg+0xee/0x170 [ 3156.102126][ T7704] __sys_sendmsg+0xcd/0x170 [ 3156.102126][ T7704] do_syscall_64+0xc6/0x1e0 [ 3156.102126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3156.102126][ T7704] [ 3156.103833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3156.103833][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3156.103833][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3156.103833][ T7704] ipv6_find_idev+0x102/0x170 [ 3156.103833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3156.103833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3156.103833][ T7704] netlink_rcv_skb+0x130/0x360 [ 3156.103833][ T7704] netlink_unicast+0x449/0x710 [ 3156.103833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3156.103833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3156.103833][ T7704] ___sys_sendmsg+0xee/0x170 [ 3156.103833][ T7704] __sys_sendmsg+0xcd/0x170 [ 3156.103833][ T7704] do_syscall_64+0xc6/0x1e0 [ 3156.103833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3156.103833][ T7704] [ 3166.351048][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3166.351533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3166.351533][ T7704] netdev_get_by_index+0x5e/0x80 [ 3166.351533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3166.351533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3166.351533][ T7704] ip6_route_add+0x1c/0x140 [ 3166.351533][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3166.351533][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3166.351533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.351533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.351533][ T7704] netlink_rcv_skb+0x130/0x360 [ 3166.351533][ T7704] netlink_unicast+0x449/0x710 [ 3166.351533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3166.351533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3166.351533][ T7704] ___sys_sendmsg+0xee/0x170 [ 3166.351533][ T7704] __sys_sendmsg+0xcd/0x170 [ 3166.351533][ T7704] do_syscall_64+0xc6/0x1e0 [ 3166.351533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.351533][ T7704] [ 3166.353810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3166.353810][ T7704] netdev_get_by_index+0x5e/0x80 [ 3166.353810][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3166.353810][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3166.353810][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3166.353810][ T7704] ipv6_add_addr+0x411/0x2000 [ 3166.353810][ T7704] inet6_addr_add+0x30e/0xa40 [ 3166.353810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.353810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.353810][ T7704] netlink_rcv_skb+0x130/0x360 [ 3166.353810][ T7704] netlink_unicast+0x449/0x710 [ 3166.353810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3166.353810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3166.353810][ T7704] ___sys_sendmsg+0xee/0x170 [ 3166.353810][ T7704] __sys_sendmsg+0xcd/0x170 [ 3166.353810][ T7704] do_syscall_64+0xc6/0x1e0 [ 3166.353810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.353810][ T7704] [ 3166.356081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3166.356081][ T7704] netdev_get_by_index+0x5e/0x80 [ 3166.356081][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3166.356081][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3166.356081][ T7704] ip6_route_add+0x1c/0x140 [ 3166.356081][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3166.356081][ T7704] addrconf_add_dev+0xe2/0x170 [ 3166.356081][ T7704] inet6_addr_add+0x12f/0xa40 [ 3166.356081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.356081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.356081][ T7704] netlink_rcv_skb+0x130/0x360 [ 3166.356081][ T7704] netlink_unicast+0x449/0x710 [ 3166.356081][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3166.356081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3166.356081][ T7704] ___sys_sendmsg+0xee/0x170 [ 3166.356081][ T7704] __sys_sendmsg+0xcd/0x170 [ 3166.356081][ T7704] do_syscall_64+0xc6/0x1e0 [ 3166.356081][ T7704] [ 3166.358310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3166.358310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3166.358310][ T7704] ipv6_find_idev+0x102/0x170 [ 3166.358310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.358310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.358310][ T7704] netlink_rcv_skb+0x130/0x360 [ 3166.358310][ T7704] netlink_unicast+0x449/0x710 [ 3166.358310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3166.358310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3166.358310][ T7704] ___sys_sendmsg+0xee/0x170 [ 3166.358310][ T7704] __sys_sendmsg+0xcd/0x170 [ 3166.358310][ T7704] do_syscall_64+0xc6/0x1e0 [ 3166.358310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.358310][ T7704] [ 3166.360042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3166.360042][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3166.360042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3166.360042][ T7704] ipv6_find_idev+0x102/0x170 [ 3166.360042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.360042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.360042][ T7704] netlink_rcv_skb+0x130/0x360 [ 3166.360042][ T7704] netlink_unicast+0x449/0x710 [ 3166.360042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3166.360042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3166.360042][ T7704] ___sys_sendmsg+0xee/0x170 [ 3166.360042][ T7704] __sys_sendmsg+0xcd/0x170 [ 3166.360042][ T7704] do_syscall_64+0xc6/0x1e0 [ 3166.360042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.360042][ T7704] [ 3176.598951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3176.599488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3176.599488][ T7704] netdev_get_by_index+0x5e/0x80 [ 3176.599488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3176.599488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3176.599488][ T7704] ip6_route_add+0x1c/0x140 [ 3176.599488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3176.599488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3176.599488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.599488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.599488][ T7704] netlink_rcv_skb+0x130/0x360 [ 3176.599488][ T7704] netlink_unicast+0x449/0x710 [ 3176.599488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3176.599488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3176.599488][ T7704] ___sys_sendmsg+0xee/0x170 [ 3176.599488][ T7704] __sys_sendmsg+0xcd/0x170 [ 3176.599488][ T7704] do_syscall_64+0xc6/0x1e0 [ 3176.599488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.599488][ T7704] [ 3176.601795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3176.601795][ T7704] netdev_get_by_index+0x5e/0x80 [ 3176.601795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3176.601795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3176.601795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3176.601795][ T7704] ipv6_add_addr+0x411/0x2000 [ 3176.601795][ T7704] inet6_addr_add+0x30e/0xa40 [ 3176.601795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.601795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.601795][ T7704] netlink_rcv_skb+0x130/0x360 [ 3176.601795][ T7704] netlink_unicast+0x449/0x710 [ 3176.601795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3176.601795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3176.601795][ T7704] ___sys_sendmsg+0xee/0x170 [ 3176.601795][ T7704] __sys_sendmsg+0xcd/0x170 [ 3176.601795][ T7704] do_syscall_64+0xc6/0x1e0 [ 3176.601795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.601795][ T7704] [ 3176.604051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3176.604051][ T7704] netdev_get_by_index+0x5e/0x80 [ 3176.604051][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3176.604051][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3176.604051][ T7704] ip6_route_add+0x1c/0x140 [ 3176.604051][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3176.604051][ T7704] addrconf_add_dev+0xe2/0x170 [ 3176.604051][ T7704] inet6_addr_add+0x12f/0xa40 [ 3176.604051][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.604051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.604051][ T7704] netlink_rcv_skb+0x130/0x360 [ 3176.604051][ T7704] netlink_unicast+0x449/0x710 [ 3176.604051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3176.604051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3176.604051][ T7704] ___sys_sendmsg+0xee/0x170 [ 3176.604051][ T7704] __sys_sendmsg+0xcd/0x170 [ 3176.604051][ T7704] do_syscall_64+0xc6/0x1e0 [ 3176.604051][ T7704] [ 3176.606279][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3176.606279][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3176.606279][ T7704] ipv6_find_idev+0x102/0x170 [ 3176.606279][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.606279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.606279][ T7704] netlink_rcv_skb+0x130/0x360 [ 3176.606279][ T7704] netlink_unicast+0x449/0x710 [ 3176.606279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3176.606279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3176.606279][ T7704] ___sys_sendmsg+0xee/0x170 [ 3176.606279][ T7704] __sys_sendmsg+0xcd/0x170 [ 3176.606279][ T7704] do_syscall_64+0xc6/0x1e0 [ 3176.606279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.606279][ T7704] [ 3176.608018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3176.608018][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3176.608018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3176.608018][ T7704] ipv6_find_idev+0x102/0x170 [ 3176.608018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.608018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.608018][ T7704] netlink_rcv_skb+0x130/0x360 [ 3176.608018][ T7704] netlink_unicast+0x449/0x710 [ 3176.608018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3176.608018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3176.608018][ T7704] ___sys_sendmsg+0xee/0x170 [ 3176.608018][ T7704] __sys_sendmsg+0xcd/0x170 [ 3176.608018][ T7704] do_syscall_64+0xc6/0x1e0 [ 3176.608018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.608018][ T7704] [ 3186.846955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3186.847428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3186.847428][ T7704] netdev_get_by_index+0x5e/0x80 [ 3186.847428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3186.847428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3186.847428][ T7704] ip6_route_add+0x1c/0x140 [ 3186.847428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3186.847428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3186.847428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.847428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.847428][ T7704] netlink_rcv_skb+0x130/0x360 [ 3186.847428][ T7704] netlink_unicast+0x449/0x710 [ 3186.847428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3186.847428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3186.847428][ T7704] ___sys_sendmsg+0xee/0x170 [ 3186.847428][ T7704] __sys_sendmsg+0xcd/0x170 [ 3186.847428][ T7704] do_syscall_64+0xc6/0x1e0 [ 3186.847428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.847428][ T7704] [ 3186.850264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3186.850264][ T7704] netdev_get_by_index+0x5e/0x80 [ 3186.850264][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3186.850264][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3186.850264][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3186.850264][ T7704] ipv6_add_addr+0x411/0x2000 [ 3186.850264][ T7704] inet6_addr_add+0x30e/0xa40 [ 3186.850264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.850264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.850264][ T7704] netlink_rcv_skb+0x130/0x360 [ 3186.850264][ T7704] netlink_unicast+0x449/0x710 [ 3186.850264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3186.850264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3186.850264][ T7704] ___sys_sendmsg+0xee/0x170 [ 3186.850264][ T7704] __sys_sendmsg+0xcd/0x170 [ 3186.850264][ T7704] do_syscall_64+0xc6/0x1e0 [ 3186.850264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.850264][ T7704] [ 3186.852523][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3186.852523][ T7704] netdev_get_by_index+0x5e/0x80 [ 3186.852523][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3186.852523][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3186.852523][ T7704] ip6_route_add+0x1c/0x140 [ 3186.852523][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3186.852523][ T7704] addrconf_add_dev+0xe2/0x170 [ 3186.852523][ T7704] inet6_addr_add+0x12f/0xa40 [ 3186.852523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.852523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.852523][ T7704] netlink_rcv_skb+0x130/0x360 [ 3186.852523][ T7704] netlink_unicast+0x449/0x710 [ 3186.852523][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3186.852523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3186.852523][ T7704] ___sys_sendmsg+0xee/0x170 [ 3186.852523][ T7704] __sys_sendmsg+0xcd/0x170 [ 3186.852523][ T7704] do_syscall_64+0xc6/0x1e0 [ 3186.852523][ T7704] [ 3186.854753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3186.854753][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3186.854753][ T7704] ipv6_find_idev+0x102/0x170 [ 3186.854753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.854753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.854753][ T7704] netlink_rcv_skb+0x130/0x360 [ 3186.854753][ T7704] netlink_unicast+0x449/0x710 [ 3186.854753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3186.854753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3186.854753][ T7704] ___sys_sendmsg+0xee/0x170 [ 3186.854753][ T7704] __sys_sendmsg+0xcd/0x170 [ 3186.854753][ T7704] do_syscall_64+0xc6/0x1e0 [ 3186.854753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.854753][ T7704] [ 3186.856495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3186.856495][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3186.856495][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3186.856495][ T7704] ipv6_find_idev+0x102/0x170 [ 3186.856495][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.856495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.856495][ T7704] netlink_rcv_skb+0x130/0x360 [ 3186.856495][ T7704] netlink_unicast+0x449/0x710 [ 3186.856495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3186.856495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3186.856495][ T7704] ___sys_sendmsg+0xee/0x170 [ 3186.856495][ T7704] __sys_sendmsg+0xcd/0x170 [ 3186.856495][ T7704] do_syscall_64+0xc6/0x1e0 [ 3186.856495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.856495][ T7704] [ 3197.094963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3197.095431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3197.095431][ T7704] netdev_get_by_index+0x5e/0x80 [ 3197.095431][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3197.095431][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3197.095431][ T7704] ip6_route_add+0x1c/0x140 [ 3197.095431][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3197.095431][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3197.095431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.095431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.095431][ T7704] netlink_rcv_skb+0x130/0x360 [ 3197.095431][ T7704] netlink_unicast+0x449/0x710 [ 3197.095431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3197.095431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3197.095431][ T7704] ___sys_sendmsg+0xee/0x170 [ 3197.095431][ T7704] __sys_sendmsg+0xcd/0x170 [ 3197.095431][ T7704] do_syscall_64+0xc6/0x1e0 [ 3197.095431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.095431][ T7704] [ 3197.097697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3197.097697][ T7704] netdev_get_by_index+0x5e/0x80 [ 3197.097697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3197.097697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3197.097697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3197.097697][ T7704] ipv6_add_addr+0x411/0x2000 [ 3197.097697][ T7704] inet6_addr_add+0x30e/0xa40 [ 3197.097697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.097697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.097697][ T7704] netlink_rcv_skb+0x130/0x360 [ 3197.097697][ T7704] netlink_unicast+0x449/0x710 [ 3197.097697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3197.097697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3197.097697][ T7704] ___sys_sendmsg+0xee/0x170 [ 3197.097697][ T7704] __sys_sendmsg+0xcd/0x170 [ 3197.097697][ T7704] do_syscall_64+0xc6/0x1e0 [ 3197.097697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.097697][ T7704] [ 3197.099943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3197.099943][ T7704] netdev_get_by_index+0x5e/0x80 [ 3197.099943][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3197.099943][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3197.099943][ T7704] ip6_route_add+0x1c/0x140 [ 3197.099943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3197.099943][ T7704] addrconf_add_dev+0xe2/0x170 [ 3197.099943][ T7704] inet6_addr_add+0x12f/0xa40 [ 3197.099943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.099943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.099943][ T7704] netlink_rcv_skb+0x130/0x360 [ 3197.099943][ T7704] netlink_unicast+0x449/0x710 [ 3197.099943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3197.099943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3197.099943][ T7704] ___sys_sendmsg+0xee/0x170 [ 3197.099943][ T7704] __sys_sendmsg+0xcd/0x170 [ 3197.099943][ T7704] do_syscall_64+0xc6/0x1e0 [ 3197.099943][ T7704] [ 3197.102144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3197.102144][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3197.102144][ T7704] ipv6_find_idev+0x102/0x170 [ 3197.102144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.102144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.102144][ T7704] netlink_rcv_skb+0x130/0x360 [ 3197.102144][ T7704] netlink_unicast+0x449/0x710 [ 3197.102144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3197.102144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3197.102144][ T7704] ___sys_sendmsg+0xee/0x170 [ 3197.102144][ T7704] __sys_sendmsg+0xcd/0x170 [ 3197.102144][ T7704] do_syscall_64+0xc6/0x1e0 [ 3197.102144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.102144][ T7704] [ 3197.103872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3197.103872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3197.103872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3197.103872][ T7704] ipv6_find_idev+0x102/0x170 [ 3197.103872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.103872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.103872][ T7704] netlink_rcv_skb+0x130/0x360 [ 3197.103872][ T7704] netlink_unicast+0x449/0x710 [ 3197.103872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3197.103872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3197.103872][ T7704] ___sys_sendmsg+0xee/0x170 [ 3197.103872][ T7704] __sys_sendmsg+0xcd/0x170 [ 3197.103872][ T7704] do_syscall_64+0xc6/0x1e0 [ 3197.103872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.103872][ T7704] [ 3207.222948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3207.223398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3207.223398][ T7704] netdev_get_by_index+0x5e/0x80 [ 3207.223398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3207.223398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3207.223398][ T7704] ip6_route_add+0x1c/0x140 [ 3207.223398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3207.223398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3207.223398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.223398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.223398][ T7704] netlink_rcv_skb+0x130/0x360 [ 3207.223398][ T7704] netlink_unicast+0x449/0x710 [ 3207.223398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3207.223398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3207.223398][ T7704] ___sys_sendmsg+0xee/0x170 [ 3207.223398][ T7704] __sys_sendmsg+0xcd/0x170 [ 3207.223398][ T7704] do_syscall_64+0xc6/0x1e0 [ 3207.223398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.223398][ T7704] [ 3207.225658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3207.225658][ T7704] netdev_get_by_index+0x5e/0x80 [ 3207.225658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3207.225658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3207.225658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3207.225658][ T7704] ipv6_add_addr+0x411/0x2000 [ 3207.225658][ T7704] inet6_addr_add+0x30e/0xa40 [ 3207.225658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.225658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.225658][ T7704] netlink_rcv_skb+0x130/0x360 [ 3207.225658][ T7704] netlink_unicast+0x449/0x710 [ 3207.225658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3207.225658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3207.225658][ T7704] ___sys_sendmsg+0xee/0x170 [ 3207.225658][ T7704] __sys_sendmsg+0xcd/0x170 [ 3207.225658][ T7704] do_syscall_64+0xc6/0x1e0 [ 3207.225658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.225658][ T7704] [ 3207.227884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3207.227884][ T7704] netdev_get_by_index+0x5e/0x80 [ 3207.227884][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3207.227884][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3207.227884][ T7704] ip6_route_add+0x1c/0x140 [ 3207.227884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3207.227884][ T7704] addrconf_add_dev+0xe2/0x170 [ 3207.227884][ T7704] inet6_addr_add+0x12f/0xa40 [ 3207.227884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.227884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.227884][ T7704] netlink_rcv_skb+0x130/0x360 [ 3207.227884][ T7704] netlink_unicast+0x449/0x710 [ 3207.227884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3207.227884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3207.227884][ T7704] ___sys_sendmsg+0xee/0x170 [ 3207.227884][ T7704] __sys_sendmsg+0xcd/0x170 [ 3207.227884][ T7704] do_syscall_64+0xc6/0x1e0 [ 3207.227884][ T7704] [ 3207.230067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3207.230067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3207.230067][ T7704] ipv6_find_idev+0x102/0x170 [ 3207.230067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.230067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.230067][ T7704] netlink_rcv_skb+0x130/0x360 [ 3207.230067][ T7704] netlink_unicast+0x449/0x710 [ 3207.230067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3207.230067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3207.230067][ T7704] ___sys_sendmsg+0xee/0x170 [ 3207.230067][ T7704] __sys_sendmsg+0xcd/0x170 [ 3207.230067][ T7704] do_syscall_64+0xc6/0x1e0 [ 3207.230067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.230067][ T7704] [ 3207.231782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3207.231782][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3207.231782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3207.231782][ T7704] ipv6_find_idev+0x102/0x170 [ 3207.231782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.231782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.231782][ T7704] netlink_rcv_skb+0x130/0x360 [ 3207.231782][ T7704] netlink_unicast+0x449/0x710 [ 3207.231782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3207.231782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3207.231782][ T7704] ___sys_sendmsg+0xee/0x170 [ 3207.231782][ T7704] __sys_sendmsg+0xcd/0x170 [ 3207.231782][ T7704] do_syscall_64+0xc6/0x1e0 [ 3207.231782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.231782][ T7704] [ 3217.334993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3217.335509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3217.335509][ T7704] netdev_get_by_index+0x5e/0x80 [ 3217.335509][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3217.335509][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3217.335509][ T7704] ip6_route_add+0x1c/0x140 [ 3217.335509][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3217.335509][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3217.335509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.335509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.335509][ T7704] netlink_rcv_skb+0x130/0x360 [ 3217.335509][ T7704] netlink_unicast+0x449/0x710 [ 3217.335509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3217.335509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3217.335509][ T7704] ___sys_sendmsg+0xee/0x170 [ 3217.335509][ T7704] __sys_sendmsg+0xcd/0x170 [ 3217.335509][ T7704] do_syscall_64+0xc6/0x1e0 [ 3217.335509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.335509][ T7704] [ 3217.337760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3217.337760][ T7704] netdev_get_by_index+0x5e/0x80 [ 3217.337760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3217.337760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3217.337760][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3217.337760][ T7704] ipv6_add_addr+0x411/0x2000 [ 3217.337760][ T7704] inet6_addr_add+0x30e/0xa40 [ 3217.337760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.337760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.337760][ T7704] netlink_rcv_skb+0x130/0x360 [ 3217.337760][ T7704] netlink_unicast+0x449/0x710 [ 3217.337760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3217.337760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3217.337760][ T7704] ___sys_sendmsg+0xee/0x170 [ 3217.337760][ T7704] __sys_sendmsg+0xcd/0x170 [ 3217.337760][ T7704] do_syscall_64+0xc6/0x1e0 [ 3217.337760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.337760][ T7704] [ 3217.339988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3217.339988][ T7704] netdev_get_by_index+0x5e/0x80 [ 3217.339988][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3217.339988][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3217.339988][ T7704] ip6_route_add+0x1c/0x140 [ 3217.339988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3217.339988][ T7704] addrconf_add_dev+0xe2/0x170 [ 3217.339988][ T7704] inet6_addr_add+0x12f/0xa40 [ 3217.339988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.339988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.339988][ T7704] netlink_rcv_skb+0x130/0x360 [ 3217.339988][ T7704] netlink_unicast+0x449/0x710 [ 3217.339988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3217.339988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3217.339988][ T7704] ___sys_sendmsg+0xee/0x170 [ 3217.339988][ T7704] __sys_sendmsg+0xcd/0x170 [ 3217.339988][ T7704] do_syscall_64+0xc6/0x1e0 [ 3217.339988][ T7704] [ 3217.342179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3217.342179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3217.342179][ T7704] ipv6_find_idev+0x102/0x170 [ 3217.342179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.342179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.342179][ T7704] netlink_rcv_skb+0x130/0x360 [ 3217.342179][ T7704] netlink_unicast+0x449/0x710 [ 3217.342179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3217.342179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3217.342179][ T7704] ___sys_sendmsg+0xee/0x170 [ 3217.342179][ T7704] __sys_sendmsg+0xcd/0x170 [ 3217.342179][ T7704] do_syscall_64+0xc6/0x1e0 [ 3217.342179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.342179][ T7704] [ 3217.348407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3217.348407][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3217.348407][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3217.348407][ T7704] ipv6_find_idev+0x102/0x170 [ 3217.348407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.348407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.348407][ T7704] netlink_rcv_skb+0x130/0x360 [ 3217.348407][ T7704] netlink_unicast+0x449/0x710 [ 3217.348407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3217.348407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3217.348407][ T7704] ___sys_sendmsg+0xee/0x170 [ 3217.348407][ T7704] __sys_sendmsg+0xcd/0x170 [ 3217.348407][ T7704] do_syscall_64+0xc6/0x1e0 [ 3217.348407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.348407][ T7704] [ 3227.838994][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3227.839484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3227.839484][ T7704] netdev_get_by_index+0x5e/0x80 [ 3227.839484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3227.839484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3227.839484][ T7704] ip6_route_add+0x1c/0x140 [ 3227.839484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3227.839484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3227.839484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.839484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.839484][ T7704] netlink_rcv_skb+0x130/0x360 [ 3227.839484][ T7704] netlink_unicast+0x449/0x710 [ 3227.839484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3227.839484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3227.839484][ T7704] ___sys_sendmsg+0xee/0x170 [ 3227.839484][ T7704] __sys_sendmsg+0xcd/0x170 [ 3227.839484][ T7704] do_syscall_64+0xc6/0x1e0 [ 3227.839484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.839484][ T7704] [ 3227.841844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3227.841844][ T7704] netdev_get_by_index+0x5e/0x80 [ 3227.841844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3227.841844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3227.841844][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3227.841844][ T7704] ipv6_add_addr+0x411/0x2000 [ 3227.841844][ T7704] inet6_addr_add+0x30e/0xa40 [ 3227.841844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.841844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.841844][ T7704] netlink_rcv_skb+0x130/0x360 [ 3227.841844][ T7704] netlink_unicast+0x449/0x710 [ 3227.841844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3227.841844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3227.841844][ T7704] ___sys_sendmsg+0xee/0x170 [ 3227.841844][ T7704] __sys_sendmsg+0xcd/0x170 [ 3227.841844][ T7704] do_syscall_64+0xc6/0x1e0 [ 3227.841844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.841844][ T7704] [ 3227.844198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3227.844198][ T7704] netdev_get_by_index+0x5e/0x80 [ 3227.844198][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3227.844198][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3227.844198][ T7704] ip6_route_add+0x1c/0x140 [ 3227.844198][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3227.844198][ T7704] addrconf_add_dev+0xe2/0x170 [ 3227.844198][ T7704] inet6_addr_add+0x12f/0xa40 [ 3227.844198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.844198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.844198][ T7704] netlink_rcv_skb+0x130/0x360 [ 3227.844198][ T7704] netlink_unicast+0x449/0x710 [ 3227.844198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3227.844198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3227.844198][ T7704] ___sys_sendmsg+0xee/0x170 [ 3227.844198][ T7704] __sys_sendmsg+0xcd/0x170 [ 3227.844198][ T7704] do_syscall_64+0xc6/0x1e0 [ 3227.844198][ T7704] [ 3227.846536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3227.846536][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3227.846536][ T7704] ipv6_find_idev+0x102/0x170 [ 3227.846536][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.846536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.846536][ T7704] netlink_rcv_skb+0x130/0x360 [ 3227.846536][ T7704] netlink_unicast+0x449/0x710 [ 3227.846536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3227.846536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3227.846536][ T7704] ___sys_sendmsg+0xee/0x170 [ 3227.846536][ T7704] __sys_sendmsg+0xcd/0x170 [ 3227.846536][ T7704] do_syscall_64+0xc6/0x1e0 [ 3227.846536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.846536][ T7704] [ 3227.848383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3227.848383][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3227.848383][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3227.848383][ T7704] ipv6_find_idev+0x102/0x170 [ 3227.848383][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.848383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.848383][ T7704] netlink_rcv_skb+0x130/0x360 [ 3227.848383][ T7704] netlink_unicast+0x449/0x710 [ 3227.848383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3227.848383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3227.848383][ T7704] ___sys_sendmsg+0xee/0x170 [ 3227.848383][ T7704] __sys_sendmsg+0xcd/0x170 [ 3227.848383][ T7704] do_syscall_64+0xc6/0x1e0 [ 3227.848383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.848383][ T7704] [ 3238.094926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3238.095394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3238.095394][ T7704] netdev_get_by_index+0x5e/0x80 [ 3238.095394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3238.095394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3238.095394][ T7704] ip6_route_add+0x1c/0x140 [ 3238.095394][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3238.095394][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3238.095394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.095394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.095394][ T7704] netlink_rcv_skb+0x130/0x360 [ 3238.095394][ T7704] netlink_unicast+0x449/0x710 [ 3238.095394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3238.095394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3238.095394][ T7704] ___sys_sendmsg+0xee/0x170 [ 3238.095394][ T7704] __sys_sendmsg+0xcd/0x170 [ 3238.095394][ T7704] do_syscall_64+0xc6/0x1e0 [ 3238.095394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.095394][ T7704] [ 3238.097720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3238.097720][ T7704] netdev_get_by_index+0x5e/0x80 [ 3238.097720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3238.097720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3238.097720][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3238.097720][ T7704] ipv6_add_addr+0x411/0x2000 [ 3238.097720][ T7704] inet6_addr_add+0x30e/0xa40 [ 3238.097720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.097720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.097720][ T7704] netlink_rcv_skb+0x130/0x360 [ 3238.097720][ T7704] netlink_unicast+0x449/0x710 [ 3238.097720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3238.097720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3238.097720][ T7704] ___sys_sendmsg+0xee/0x170 [ 3238.097720][ T7704] __sys_sendmsg+0xcd/0x170 [ 3238.097720][ T7704] do_syscall_64+0xc6/0x1e0 [ 3238.097720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.097720][ T7704] [ 3238.099989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3238.099989][ T7704] netdev_get_by_index+0x5e/0x80 [ 3238.099989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3238.099989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3238.099989][ T7704] ip6_route_add+0x1c/0x140 [ 3238.099989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3238.099989][ T7704] addrconf_add_dev+0xe2/0x170 [ 3238.099989][ T7704] inet6_addr_add+0x12f/0xa40 [ 3238.099989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.099989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.099989][ T7704] netlink_rcv_skb+0x130/0x360 [ 3238.099989][ T7704] netlink_unicast+0x449/0x710 [ 3238.099989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3238.099989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3238.099989][ T7704] ___sys_sendmsg+0xee/0x170 [ 3238.099989][ T7704] __sys_sendmsg+0xcd/0x170 [ 3238.099989][ T7704] do_syscall_64+0xc6/0x1e0 [ 3238.099989][ T7704] [ 3238.102997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3238.102997][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3238.102997][ T7704] ipv6_find_idev+0x102/0x170 [ 3238.102997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.102997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.102997][ T7704] netlink_rcv_skb+0x130/0x360 [ 3238.102997][ T7704] netlink_unicast+0x449/0x710 [ 3238.102997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3238.102997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3238.102997][ T7704] ___sys_sendmsg+0xee/0x170 [ 3238.102997][ T7704] __sys_sendmsg+0xcd/0x170 [ 3238.102997][ T7704] do_syscall_64+0xc6/0x1e0 [ 3238.102997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.102997][ T7704] [ 3238.105614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3238.105614][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3238.105614][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3238.105614][ T7704] ipv6_find_idev+0x102/0x170 [ 3238.105614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.105614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.105614][ T7704] netlink_rcv_skb+0x130/0x360 [ 3238.105614][ T7704] netlink_unicast+0x449/0x710 [ 3238.105614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3238.105614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3238.105614][ T7704] ___sys_sendmsg+0xee/0x170 [ 3238.105614][ T7704] __sys_sendmsg+0xcd/0x170 [ 3238.105614][ T7704] do_syscall_64+0xc6/0x1e0 [ 3238.105614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.105614][ T7704] [ 3248.206953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3248.207465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3248.207465][ T7704] netdev_get_by_index+0x5e/0x80 [ 3248.207465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3248.207465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3248.207465][ T7704] ip6_route_add+0x1c/0x140 [ 3248.207465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3248.207465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3248.207465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.207465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.207465][ T7704] netlink_rcv_skb+0x130/0x360 [ 3248.207465][ T7704] netlink_unicast+0x449/0x710 [ 3248.207465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3248.207465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3248.207465][ T7704] ___sys_sendmsg+0xee/0x170 [ 3248.207465][ T7704] __sys_sendmsg+0xcd/0x170 [ 3248.207465][ T7704] do_syscall_64+0xc6/0x1e0 [ 3248.207465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.207465][ T7704] [ 3248.209767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3248.209767][ T7704] netdev_get_by_index+0x5e/0x80 [ 3248.209767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3248.209767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3248.209767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3248.209767][ T7704] ipv6_add_addr+0x411/0x2000 [ 3248.209767][ T7704] inet6_addr_add+0x30e/0xa40 [ 3248.209767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.209767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.209767][ T7704] netlink_rcv_skb+0x130/0x360 [ 3248.209767][ T7704] netlink_unicast+0x449/0x710 [ 3248.209767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3248.209767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3248.209767][ T7704] ___sys_sendmsg+0xee/0x170 [ 3248.209767][ T7704] __sys_sendmsg+0xcd/0x170 [ 3248.209767][ T7704] do_syscall_64+0xc6/0x1e0 [ 3248.209767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.209767][ T7704] [ 3248.212061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3248.212061][ T7704] netdev_get_by_index+0x5e/0x80 [ 3248.212061][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3248.212061][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3248.212061][ T7704] ip6_route_add+0x1c/0x140 [ 3248.212061][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3248.212061][ T7704] addrconf_add_dev+0xe2/0x170 [ 3248.212061][ T7704] inet6_addr_add+0x12f/0xa40 [ 3248.212061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.212061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.212061][ T7704] netlink_rcv_skb+0x130/0x360 [ 3248.212061][ T7704] netlink_unicast+0x449/0x710 [ 3248.212061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3248.212061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3248.212061][ T7704] ___sys_sendmsg+0xee/0x170 [ 3248.212061][ T7704] __sys_sendmsg+0xcd/0x170 [ 3248.212061][ T7704] do_syscall_64+0xc6/0x1e0 [ 3248.212061][ T7704] [ 3248.214286][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3248.214286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3248.214286][ T7704] ipv6_find_idev+0x102/0x170 [ 3248.214286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.214286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.214286][ T7704] netlink_rcv_skb+0x130/0x360 [ 3248.214286][ T7704] netlink_unicast+0x449/0x710 [ 3248.214286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3248.214286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3248.214286][ T7704] ___sys_sendmsg+0xee/0x170 [ 3248.214286][ T7704] __sys_sendmsg+0xcd/0x170 [ 3248.214286][ T7704] do_syscall_64+0xc6/0x1e0 [ 3248.214286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.214286][ T7704] [ 3248.216013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3248.216013][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3248.216013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3248.216013][ T7704] ipv6_find_idev+0x102/0x170 [ 3248.216013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.216013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.216013][ T7704] netlink_rcv_skb+0x130/0x360 [ 3248.216013][ T7704] netlink_unicast+0x449/0x710 [ 3248.216013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3248.216013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3248.216013][ T7704] ___sys_sendmsg+0xee/0x170 [ 3248.216013][ T7704] __sys_sendmsg+0xcd/0x170 [ 3248.216013][ T7704] do_syscall_64+0xc6/0x1e0 [ 3248.216013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.216013][ T7704] [ 3258.287012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3258.287481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3258.287481][ T7704] netdev_get_by_index+0x5e/0x80 [ 3258.287481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3258.287481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3258.287481][ T7704] ip6_route_add+0x1c/0x140 [ 3258.287481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3258.287481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3258.287481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.287481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.287481][ T7704] netlink_rcv_skb+0x130/0x360 [ 3258.287481][ T7704] netlink_unicast+0x449/0x710 [ 3258.287481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3258.287481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3258.287481][ T7704] ___sys_sendmsg+0xee/0x170 [ 3258.287481][ T7704] __sys_sendmsg+0xcd/0x170 [ 3258.287481][ T7704] do_syscall_64+0xc6/0x1e0 [ 3258.287481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.287481][ T7704] [ 3258.289786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3258.289786][ T7704] netdev_get_by_index+0x5e/0x80 [ 3258.289786][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3258.289786][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3258.289786][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3258.289786][ T7704] ipv6_add_addr+0x411/0x2000 [ 3258.289786][ T7704] inet6_addr_add+0x30e/0xa40 [ 3258.289786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.289786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.289786][ T7704] netlink_rcv_skb+0x130/0x360 [ 3258.289786][ T7704] netlink_unicast+0x449/0x710 [ 3258.289786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3258.289786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3258.289786][ T7704] ___sys_sendmsg+0xee/0x170 [ 3258.289786][ T7704] __sys_sendmsg+0xcd/0x170 [ 3258.289786][ T7704] do_syscall_64+0xc6/0x1e0 [ 3258.289786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.289786][ T7704] [ 3258.292044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3258.292044][ T7704] netdev_get_by_index+0x5e/0x80 [ 3258.292044][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3258.292044][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3258.292044][ T7704] ip6_route_add+0x1c/0x140 [ 3258.292044][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3258.292044][ T7704] addrconf_add_dev+0xe2/0x170 [ 3258.292044][ T7704] inet6_addr_add+0x12f/0xa40 [ 3258.292044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.292044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.292044][ T7704] netlink_rcv_skb+0x130/0x360 [ 3258.292044][ T7704] netlink_unicast+0x449/0x710 [ 3258.292044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3258.292044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3258.292044][ T7704] ___sys_sendmsg+0xee/0x170 [ 3258.292044][ T7704] __sys_sendmsg+0xcd/0x170 [ 3258.292044][ T7704] do_syscall_64+0xc6/0x1e0 [ 3258.292044][ T7704] [ 3258.294310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3258.294310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3258.294310][ T7704] ipv6_find_idev+0x102/0x170 [ 3258.294310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.294310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.294310][ T7704] netlink_rcv_skb+0x130/0x360 [ 3258.294310][ T7704] netlink_unicast+0x449/0x710 [ 3258.294310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3258.294310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3258.294310][ T7704] ___sys_sendmsg+0xee/0x170 [ 3258.294310][ T7704] __sys_sendmsg+0xcd/0x170 [ 3258.294310][ T7704] do_syscall_64+0xc6/0x1e0 [ 3258.294310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.294310][ T7704] [ 3258.296038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3258.296038][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3258.296038][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3258.296038][ T7704] ipv6_find_idev+0x102/0x170 [ 3258.296038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.296038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.296038][ T7704] netlink_rcv_skb+0x130/0x360 [ 3258.296038][ T7704] netlink_unicast+0x449/0x710 [ 3258.296038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3258.296038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3258.296038][ T7704] ___sys_sendmsg+0xee/0x170 [ 3258.296038][ T7704] __sys_sendmsg+0xcd/0x170 [ 3258.296038][ T7704] do_syscall_64+0xc6/0x1e0 [ 3258.296038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.296038][ T7704] [ 3268.494895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3268.495359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3268.495359][ T7704] netdev_get_by_index+0x5e/0x80 [ 3268.495359][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3268.495359][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3268.495359][ T7704] ip6_route_add+0x1c/0x140 [ 3268.495359][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3268.495359][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3268.495359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.495359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.495359][ T7704] netlink_rcv_skb+0x130/0x360 [ 3268.495359][ T7704] netlink_unicast+0x449/0x710 [ 3268.495359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3268.495359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3268.495359][ T7704] ___sys_sendmsg+0xee/0x170 [ 3268.495359][ T7704] __sys_sendmsg+0xcd/0x170 [ 3268.495359][ T7704] do_syscall_64+0xc6/0x1e0 [ 3268.495359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.495359][ T7704] [ 3268.497609][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3268.497609][ T7704] netdev_get_by_index+0x5e/0x80 [ 3268.497609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3268.497609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3268.497609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3268.497609][ T7704] ipv6_add_addr+0x411/0x2000 [ 3268.497609][ T7704] inet6_addr_add+0x30e/0xa40 [ 3268.497609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.497609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.497609][ T7704] netlink_rcv_skb+0x130/0x360 [ 3268.497609][ T7704] netlink_unicast+0x449/0x710 [ 3268.497609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3268.497609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3268.497609][ T7704] ___sys_sendmsg+0xee/0x170 [ 3268.497609][ T7704] __sys_sendmsg+0xcd/0x170 [ 3268.497609][ T7704] do_syscall_64+0xc6/0x1e0 [ 3268.497609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.497609][ T7704] [ 3268.499856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3268.499856][ T7704] netdev_get_by_index+0x5e/0x80 [ 3268.499856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3268.499856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3268.499856][ T7704] ip6_route_add+0x1c/0x140 [ 3268.499856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3268.499856][ T7704] addrconf_add_dev+0xe2/0x170 [ 3268.499856][ T7704] inet6_addr_add+0x12f/0xa40 [ 3268.499856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.499856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.499856][ T7704] netlink_rcv_skb+0x130/0x360 [ 3268.499856][ T7704] netlink_unicast+0x449/0x710 [ 3268.499856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3268.499856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3268.499856][ T7704] ___sys_sendmsg+0xee/0x170 [ 3268.499856][ T7704] __sys_sendmsg+0xcd/0x170 [ 3268.499856][ T7704] do_syscall_64+0xc6/0x1e0 [ 3268.499856][ T7704] [ 3268.502058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3268.502058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3268.502058][ T7704] ipv6_find_idev+0x102/0x170 [ 3268.502058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.502058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.502058][ T7704] netlink_rcv_skb+0x130/0x360 [ 3268.502058][ T7704] netlink_unicast+0x449/0x710 [ 3268.502058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3268.502058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3268.502058][ T7704] ___sys_sendmsg+0xee/0x170 [ 3268.502058][ T7704] __sys_sendmsg+0xcd/0x170 [ 3268.502058][ T7704] do_syscall_64+0xc6/0x1e0 [ 3268.502058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.502058][ T7704] [ 3268.503789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3268.503789][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3268.503789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3268.503789][ T7704] ipv6_find_idev+0x102/0x170 [ 3268.503789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.503789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.503789][ T7704] netlink_rcv_skb+0x130/0x360 [ 3268.503789][ T7704] netlink_unicast+0x449/0x710 [ 3268.503789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3268.503789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3268.503789][ T7704] ___sys_sendmsg+0xee/0x170 [ 3268.503789][ T7704] __sys_sendmsg+0xcd/0x170 [ 3268.503789][ T7704] do_syscall_64+0xc6/0x1e0 [ 3268.503789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.503789][ T7704] [ 3278.558998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3278.559552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3278.559552][ T7704] netdev_get_by_index+0x5e/0x80 [ 3278.559552][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3278.559552][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3278.559552][ T7704] ip6_route_add+0x1c/0x140 [ 3278.559552][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3278.559552][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3278.559552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.559552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.559552][ T7704] netlink_rcv_skb+0x130/0x360 [ 3278.559552][ T7704] netlink_unicast+0x449/0x710 [ 3278.559552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3278.559552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3278.559552][ T7704] ___sys_sendmsg+0xee/0x170 [ 3278.559552][ T7704] __sys_sendmsg+0xcd/0x170 [ 3278.559552][ T7704] do_syscall_64+0xc6/0x1e0 [ 3278.559552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.559552][ T7704] [ 3278.561866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3278.561866][ T7704] netdev_get_by_index+0x5e/0x80 [ 3278.561866][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3278.561866][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3278.561866][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3278.561866][ T7704] ipv6_add_addr+0x411/0x2000 [ 3278.561866][ T7704] inet6_addr_add+0x30e/0xa40 [ 3278.561866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.561866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.561866][ T7704] netlink_rcv_skb+0x130/0x360 [ 3278.561866][ T7704] netlink_unicast+0x449/0x710 [ 3278.561866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3278.561866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3278.561866][ T7704] ___sys_sendmsg+0xee/0x170 [ 3278.561866][ T7704] __sys_sendmsg+0xcd/0x170 [ 3278.561866][ T7704] do_syscall_64+0xc6/0x1e0 [ 3278.561866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.561866][ T7704] [ 3278.564144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3278.564144][ T7704] netdev_get_by_index+0x5e/0x80 [ 3278.564144][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3278.564144][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3278.564144][ T7704] ip6_route_add+0x1c/0x140 [ 3278.564144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3278.564144][ T7704] addrconf_add_dev+0xe2/0x170 [ 3278.564144][ T7704] inet6_addr_add+0x12f/0xa40 [ 3278.564144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.564144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.564144][ T7704] netlink_rcv_skb+0x130/0x360 [ 3278.564144][ T7704] netlink_unicast+0x449/0x710 [ 3278.564144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3278.564144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3278.564144][ T7704] ___sys_sendmsg+0xee/0x170 [ 3278.564144][ T7704] __sys_sendmsg+0xcd/0x170 [ 3278.564144][ T7704] do_syscall_64+0xc6/0x1e0 [ 3278.564144][ T7704] [ 3278.566394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3278.566394][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3278.566394][ T7704] ipv6_find_idev+0x102/0x170 [ 3278.566394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3278.566394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.566394][ T7704] netlink_rcv_skb+0x130/0x360 [ 3278.566394][ T7704] netlink_unicast+0x449/0x710 [ 3278.566394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3278.566394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3278.566394][ T7704] ___sys_sendmsg+0xee/0x170 [ 3278.566394][ T7704] __sys_sendmsg+0xcd/0x170 [ 3278.566394][ T7704] do_syscall_64+0xc6/0x1e0 [ 3278.566394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.566394][ T7704] [ 3278.568214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3278.568214][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3278.568214][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3278.568214][ T7704] ipv6_find_idev+0x102/0x170 [ 3278.568214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3278.568214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.568214][ T7704] netlink_rcv_skb+0x130/0x360 [ 3278.568214][ T7704] netlink_unicast+0x449/0x710 [ 3278.568214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3278.568214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3278.568214][ T7704] ___sys_sendmsg+0xee/0x170 [ 3278.568214][ T7704] __sys_sendmsg+0xcd/0x170 [ 3278.568214][ T7704] do_syscall_64+0xc6/0x1e0 [ 3278.568214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.568214][ T7704] [ 3288.630977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3288.631463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3288.631463][ T7704] netdev_get_by_index+0x5e/0x80 [ 3288.631463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3288.631463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3288.631463][ T7704] ip6_route_add+0x1c/0x140 [ 3288.631463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3288.631463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3288.631463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.631463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.631463][ T7704] netlink_rcv_skb+0x130/0x360 [ 3288.631463][ T7704] netlink_unicast+0x449/0x710 [ 3288.631463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3288.631463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3288.631463][ T7704] ___sys_sendmsg+0xee/0x170 [ 3288.631463][ T7704] __sys_sendmsg+0xcd/0x170 [ 3288.631463][ T7704] do_syscall_64+0xc6/0x1e0 [ 3288.631463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.631463][ T7704] [ 3288.633747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3288.633747][ T7704] netdev_get_by_index+0x5e/0x80 [ 3288.633747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3288.633747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3288.633747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3288.633747][ T7704] ipv6_add_addr+0x411/0x2000 [ 3288.633747][ T7704] inet6_addr_add+0x30e/0xa40 [ 3288.633747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.633747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.633747][ T7704] netlink_rcv_skb+0x130/0x360 [ 3288.633747][ T7704] netlink_unicast+0x449/0x710 [ 3288.633747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3288.633747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3288.633747][ T7704] ___sys_sendmsg+0xee/0x170 [ 3288.633747][ T7704] __sys_sendmsg+0xcd/0x170 [ 3288.633747][ T7704] do_syscall_64+0xc6/0x1e0 [ 3288.633747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.633747][ T7704] [ 3288.636032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3288.636032][ T7704] netdev_get_by_index+0x5e/0x80 [ 3288.636032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3288.636032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3288.636032][ T7704] ip6_route_add+0x1c/0x140 [ 3288.636032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3288.636032][ T7704] addrconf_add_dev+0xe2/0x170 [ 3288.636032][ T7704] inet6_addr_add+0x12f/0xa40 [ 3288.636032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.636032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.636032][ T7704] netlink_rcv_skb+0x130/0x360 [ 3288.636032][ T7704] netlink_unicast+0x449/0x710 [ 3288.636032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3288.636032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3288.636032][ T7704] ___sys_sendmsg+0xee/0x170 [ 3288.636032][ T7704] __sys_sendmsg+0xcd/0x170 [ 3288.636032][ T7704] do_syscall_64+0xc6/0x1e0 [ 3288.636032][ T7704] [ 3288.638256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3288.638256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3288.638256][ T7704] ipv6_find_idev+0x102/0x170 [ 3288.638256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3288.638256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.638256][ T7704] netlink_rcv_skb+0x130/0x360 [ 3288.638256][ T7704] netlink_unicast+0x449/0x710 [ 3288.638256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3288.638256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3288.638256][ T7704] ___sys_sendmsg+0xee/0x170 [ 3288.638256][ T7704] __sys_sendmsg+0xcd/0x170 [ 3288.638256][ T7704] do_syscall_64+0xc6/0x1e0 [ 3288.638256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.638256][ T7704] [ 3288.639996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3288.639996][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3288.639996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3288.639996][ T7704] ipv6_find_idev+0x102/0x170 [ 3288.639996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3288.639996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.639996][ T7704] netlink_rcv_skb+0x130/0x360 [ 3288.639996][ T7704] netlink_unicast+0x449/0x710 [ 3288.639996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3288.639996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3288.639996][ T7704] ___sys_sendmsg+0xee/0x170 [ 3288.639996][ T7704] __sys_sendmsg+0xcd/0x170 [ 3288.639996][ T7704] do_syscall_64+0xc6/0x1e0 [ 3288.639996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.639996][ T7704] [ 3298.654954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3298.655434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3298.655434][ T7704] netdev_get_by_index+0x5e/0x80 [ 3298.655434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3298.655434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3298.655434][ T7704] ip6_route_add+0x1c/0x140 [ 3298.655434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3298.655434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3298.655434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.655434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.655434][ T7704] netlink_rcv_skb+0x130/0x360 [ 3298.655434][ T7704] netlink_unicast+0x449/0x710 [ 3298.655434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3298.655434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3298.655434][ T7704] ___sys_sendmsg+0xee/0x170 [ 3298.655434][ T7704] __sys_sendmsg+0xcd/0x170 [ 3298.655434][ T7704] do_syscall_64+0xc6/0x1e0 [ 3298.655434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.655434][ T7704] [ 3298.657730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3298.657730][ T7704] netdev_get_by_index+0x5e/0x80 [ 3298.657730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3298.657730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3298.657730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3298.657730][ T7704] ipv6_add_addr+0x411/0x2000 [ 3298.657730][ T7704] inet6_addr_add+0x30e/0xa40 [ 3298.657730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.657730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.657730][ T7704] netlink_rcv_skb+0x130/0x360 [ 3298.657730][ T7704] netlink_unicast+0x449/0x710 [ 3298.657730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3298.657730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3298.657730][ T7704] ___sys_sendmsg+0xee/0x170 [ 3298.657730][ T7704] __sys_sendmsg+0xcd/0x170 [ 3298.657730][ T7704] do_syscall_64+0xc6/0x1e0 [ 3298.657730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.657730][ T7704] [ 3298.659987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3298.659987][ T7704] netdev_get_by_index+0x5e/0x80 [ 3298.659987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3298.659987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3298.659987][ T7704] ip6_route_add+0x1c/0x140 [ 3298.659987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3298.659987][ T7704] addrconf_add_dev+0xe2/0x170 [ 3298.659987][ T7704] inet6_addr_add+0x12f/0xa40 [ 3298.659987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.659987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.659987][ T7704] netlink_rcv_skb+0x130/0x360 [ 3298.659987][ T7704] netlink_unicast+0x449/0x710 [ 3298.659987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3298.659987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3298.659987][ T7704] ___sys_sendmsg+0xee/0x170 [ 3298.659987][ T7704] __sys_sendmsg+0xcd/0x170 [ 3298.659987][ T7704] do_syscall_64+0xc6/0x1e0 [ 3298.659987][ T7704] [ 3298.662204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3298.662204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3298.662204][ T7704] ipv6_find_idev+0x102/0x170 [ 3298.662204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3298.662204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.662204][ T7704] netlink_rcv_skb+0x130/0x360 [ 3298.662204][ T7704] netlink_unicast+0x449/0x710 [ 3298.662204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3298.662204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3298.662204][ T7704] ___sys_sendmsg+0xee/0x170 [ 3298.662204][ T7704] __sys_sendmsg+0xcd/0x170 [ 3298.662204][ T7704] do_syscall_64+0xc6/0x1e0 [ 3298.662204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.662204][ T7704] [ 3298.663943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3298.663943][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3298.663943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3298.663943][ T7704] ipv6_find_idev+0x102/0x170 [ 3298.663943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3298.663943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.663943][ T7704] netlink_rcv_skb+0x130/0x360 [ 3298.663943][ T7704] netlink_unicast+0x449/0x710 [ 3298.663943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3298.663943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3298.663943][ T7704] ___sys_sendmsg+0xee/0x170 [ 3298.663943][ T7704] __sys_sendmsg+0xcd/0x170 [ 3298.663943][ T7704] do_syscall_64+0xc6/0x1e0 [ 3298.663943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.663943][ T7704] [ 3308.902954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3308.903432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3308.903432][ T7704] netdev_get_by_index+0x5e/0x80 [ 3308.903432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3308.903432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3308.903432][ T7704] ip6_route_add+0x1c/0x140 [ 3308.903432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3308.903432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3308.903432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.903432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.903432][ T7704] netlink_rcv_skb+0x130/0x360 [ 3308.903432][ T7704] netlink_unicast+0x449/0x710 [ 3308.903432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3308.903432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3308.903432][ T7704] ___sys_sendmsg+0xee/0x170 [ 3308.903432][ T7704] __sys_sendmsg+0xcd/0x170 [ 3308.903432][ T7704] do_syscall_64+0xc6/0x1e0 [ 3308.903432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.903432][ T7704] [ 3308.905739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3308.905739][ T7704] netdev_get_by_index+0x5e/0x80 [ 3308.905739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3308.905739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3308.905739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3308.905739][ T7704] ipv6_add_addr+0x411/0x2000 [ 3308.905739][ T7704] inet6_addr_add+0x30e/0xa40 [ 3308.905739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.905739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.905739][ T7704] netlink_rcv_skb+0x130/0x360 [ 3308.905739][ T7704] netlink_unicast+0x449/0x710 [ 3308.905739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3308.905739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3308.905739][ T7704] ___sys_sendmsg+0xee/0x170 [ 3308.905739][ T7704] __sys_sendmsg+0xcd/0x170 [ 3308.905739][ T7704] do_syscall_64+0xc6/0x1e0 [ 3308.905739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.905739][ T7704] [ 3308.908004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3308.908004][ T7704] netdev_get_by_index+0x5e/0x80 [ 3308.908004][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3308.908004][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3308.908004][ T7704] ip6_route_add+0x1c/0x140 [ 3308.908004][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3308.908004][ T7704] addrconf_add_dev+0xe2/0x170 [ 3308.908004][ T7704] inet6_addr_add+0x12f/0xa40 [ 3308.908004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.908004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.908004][ T7704] netlink_rcv_skb+0x130/0x360 [ 3308.908004][ T7704] netlink_unicast+0x449/0x710 [ 3308.908004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3308.908004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3308.908004][ T7704] ___sys_sendmsg+0xee/0x170 [ 3308.908004][ T7704] __sys_sendmsg+0xcd/0x170 [ 3308.908004][ T7704] do_syscall_64+0xc6/0x1e0 [ 3308.908004][ T7704] [ 3308.910256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3308.910256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3308.910256][ T7704] ipv6_find_idev+0x102/0x170 [ 3308.910256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3308.910256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.910256][ T7704] netlink_rcv_skb+0x130/0x360 [ 3308.910256][ T7704] netlink_unicast+0x449/0x710 [ 3308.910256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3308.910256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3308.910256][ T7704] ___sys_sendmsg+0xee/0x170 [ 3308.910256][ T7704] __sys_sendmsg+0xcd/0x170 [ 3308.910256][ T7704] do_syscall_64+0xc6/0x1e0 [ 3308.910256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.910256][ T7704] [ 3308.911988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3308.911988][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3308.911988][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3308.911988][ T7704] ipv6_find_idev+0x102/0x170 [ 3308.911988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3308.911988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.911988][ T7704] netlink_rcv_skb+0x130/0x360 [ 3308.911988][ T7704] netlink_unicast+0x449/0x710 [ 3308.911988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3308.911988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3308.911988][ T7704] ___sys_sendmsg+0xee/0x170 [ 3308.911988][ T7704] __sys_sendmsg+0xcd/0x170 [ 3308.911988][ T7704] do_syscall_64+0xc6/0x1e0 [ 3308.911988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.911988][ T7704] [ 3319.150943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3319.151470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3319.151470][ T7704] netdev_get_by_index+0x5e/0x80 [ 3319.151470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3319.151470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3319.151470][ T7704] ip6_route_add+0x1c/0x140 [ 3319.151470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3319.151470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3319.151470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.151470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.151470][ T7704] netlink_rcv_skb+0x130/0x360 [ 3319.151470][ T7704] netlink_unicast+0x449/0x710 [ 3319.151470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3319.151470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3319.151470][ T7704] ___sys_sendmsg+0xee/0x170 [ 3319.151470][ T7704] __sys_sendmsg+0xcd/0x170 [ 3319.151470][ T7704] do_syscall_64+0xc6/0x1e0 [ 3319.151470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.151470][ T7704] [ 3319.153793][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3319.153793][ T7704] netdev_get_by_index+0x5e/0x80 [ 3319.153793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3319.153793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3319.153793][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3319.153793][ T7704] ipv6_add_addr+0x411/0x2000 [ 3319.153793][ T7704] inet6_addr_add+0x30e/0xa40 [ 3319.153793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.153793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.153793][ T7704] netlink_rcv_skb+0x130/0x360 [ 3319.153793][ T7704] netlink_unicast+0x449/0x710 [ 3319.153793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3319.153793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3319.153793][ T7704] ___sys_sendmsg+0xee/0x170 [ 3319.153793][ T7704] __sys_sendmsg+0xcd/0x170 [ 3319.153793][ T7704] do_syscall_64+0xc6/0x1e0 [ 3319.153793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.153793][ T7704] [ 3319.156048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3319.156048][ T7704] netdev_get_by_index+0x5e/0x80 [ 3319.156048][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3319.156048][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3319.156048][ T7704] ip6_route_add+0x1c/0x140 [ 3319.156048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3319.156048][ T7704] addrconf_add_dev+0xe2/0x170 [ 3319.156048][ T7704] inet6_addr_add+0x12f/0xa40 [ 3319.156048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.156048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.156048][ T7704] netlink_rcv_skb+0x130/0x360 [ 3319.156048][ T7704] netlink_unicast+0x449/0x710 [ 3319.156048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3319.156048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3319.156048][ T7704] ___sys_sendmsg+0xee/0x170 [ 3319.156048][ T7704] __sys_sendmsg+0xcd/0x170 [ 3319.156048][ T7704] do_syscall_64+0xc6/0x1e0 [ 3319.156048][ T7704] [ 3319.158259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3319.158259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3319.158259][ T7704] ipv6_find_idev+0x102/0x170 [ 3319.158259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3319.158259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.158259][ T7704] netlink_rcv_skb+0x130/0x360 [ 3319.158259][ T7704] netlink_unicast+0x449/0x710 [ 3319.158259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3319.158259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3319.158259][ T7704] ___sys_sendmsg+0xee/0x170 [ 3319.158259][ T7704] __sys_sendmsg+0xcd/0x170 [ 3319.158259][ T7704] do_syscall_64+0xc6/0x1e0 [ 3319.158259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.158259][ T7704] [ 3319.159989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3319.159989][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3319.159989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3319.159989][ T7704] ipv6_find_idev+0x102/0x170 [ 3319.159989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3319.159989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.159989][ T7704] netlink_rcv_skb+0x130/0x360 [ 3319.159989][ T7704] netlink_unicast+0x449/0x710 [ 3319.159989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3319.159989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3319.159989][ T7704] ___sys_sendmsg+0xee/0x170 [ 3319.159989][ T7704] __sys_sendmsg+0xcd/0x170 [ 3319.159989][ T7704] do_syscall_64+0xc6/0x1e0 [ 3319.159989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.159989][ T7704] [ 3329.398958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3329.399503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3329.399503][ T7704] netdev_get_by_index+0x5e/0x80 [ 3329.399503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3329.399503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3329.399503][ T7704] ip6_route_add+0x1c/0x140 [ 3329.399503][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3329.399503][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3329.399503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.399503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.399503][ T7704] netlink_rcv_skb+0x130/0x360 [ 3329.399503][ T7704] netlink_unicast+0x449/0x710 [ 3329.399503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3329.399503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3329.399503][ T7704] ___sys_sendmsg+0xee/0x170 [ 3329.399503][ T7704] __sys_sendmsg+0xcd/0x170 [ 3329.399503][ T7704] do_syscall_64+0xc6/0x1e0 [ 3329.399503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.399503][ T7704] [ 3329.401788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3329.401788][ T7704] netdev_get_by_index+0x5e/0x80 [ 3329.401788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3329.401788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3329.401788][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3329.401788][ T7704] ipv6_add_addr+0x411/0x2000 [ 3329.401788][ T7704] inet6_addr_add+0x30e/0xa40 [ 3329.401788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.401788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.401788][ T7704] netlink_rcv_skb+0x130/0x360 [ 3329.401788][ T7704] netlink_unicast+0x449/0x710 [ 3329.401788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3329.401788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3329.401788][ T7704] ___sys_sendmsg+0xee/0x170 [ 3329.401788][ T7704] __sys_sendmsg+0xcd/0x170 [ 3329.401788][ T7704] do_syscall_64+0xc6/0x1e0 [ 3329.401788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.401788][ T7704] [ 3329.404055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3329.404055][ T7704] netdev_get_by_index+0x5e/0x80 [ 3329.404055][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3329.404055][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3329.404055][ T7704] ip6_route_add+0x1c/0x140 [ 3329.404055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3329.404055][ T7704] addrconf_add_dev+0xe2/0x170 [ 3329.404055][ T7704] inet6_addr_add+0x12f/0xa40 [ 3329.404055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.404055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.404055][ T7704] netlink_rcv_skb+0x130/0x360 [ 3329.404055][ T7704] netlink_unicast+0x449/0x710 [ 3329.404055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3329.404055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3329.404055][ T7704] ___sys_sendmsg+0xee/0x170 [ 3329.404055][ T7704] __sys_sendmsg+0xcd/0x170 [ 3329.404055][ T7704] do_syscall_64+0xc6/0x1e0 [ 3329.404055][ T7704] [ 3329.406268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3329.406268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3329.406268][ T7704] ipv6_find_idev+0x102/0x170 [ 3329.406268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3329.406268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.406268][ T7704] netlink_rcv_skb+0x130/0x360 [ 3329.406268][ T7704] netlink_unicast+0x449/0x710 [ 3329.406268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3329.406268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3329.406268][ T7704] ___sys_sendmsg+0xee/0x170 [ 3329.406268][ T7704] __sys_sendmsg+0xcd/0x170 [ 3329.406268][ T7704] do_syscall_64+0xc6/0x1e0 [ 3329.406268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.406268][ T7704] [ 3329.408013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3329.408013][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3329.408013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3329.408013][ T7704] ipv6_find_idev+0x102/0x170 [ 3329.408013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3329.408013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.408013][ T7704] netlink_rcv_skb+0x130/0x360 [ 3329.408013][ T7704] netlink_unicast+0x449/0x710 [ 3329.408013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3329.408013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3329.408013][ T7704] ___sys_sendmsg+0xee/0x170 [ 3329.408013][ T7704] __sys_sendmsg+0xcd/0x170 [ 3329.408013][ T7704] do_syscall_64+0xc6/0x1e0 [ 3329.408013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.408013][ T7704] [ 3339.518963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3339.520022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3339.520022][ T7704] netdev_get_by_index+0x5e/0x80 [ 3339.520022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3339.520022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3339.520022][ T7704] ip6_route_add+0x1c/0x140 [ 3339.520022][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3339.520022][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3339.520022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.520022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.520022][ T7704] netlink_rcv_skb+0x130/0x360 [ 3339.520022][ T7704] netlink_unicast+0x449/0x710 [ 3339.520022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3339.520022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3339.520022][ T7704] ___sys_sendmsg+0xee/0x170 [ 3339.520022][ T7704] __sys_sendmsg+0xcd/0x170 [ 3339.520022][ T7704] do_syscall_64+0xc6/0x1e0 [ 3339.520022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.520022][ T7704] [ 3339.522299][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3339.522299][ T7704] netdev_get_by_index+0x5e/0x80 [ 3339.522299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3339.522299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3339.522299][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3339.522299][ T7704] ipv6_add_addr+0x411/0x2000 [ 3339.522299][ T7704] inet6_addr_add+0x30e/0xa40 [ 3339.522299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.522299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.522299][ T7704] netlink_rcv_skb+0x130/0x360 [ 3339.522299][ T7704] netlink_unicast+0x449/0x710 [ 3339.522299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3339.522299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3339.522299][ T7704] ___sys_sendmsg+0xee/0x170 [ 3339.522299][ T7704] __sys_sendmsg+0xcd/0x170 [ 3339.522299][ T7704] do_syscall_64+0xc6/0x1e0 [ 3339.522299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.522299][ T7704] [ 3339.524566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3339.524566][ T7704] netdev_get_by_index+0x5e/0x80 [ 3339.524566][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3339.524566][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3339.524566][ T7704] ip6_route_add+0x1c/0x140 [ 3339.524566][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3339.524566][ T7704] addrconf_add_dev+0xe2/0x170 [ 3339.524566][ T7704] inet6_addr_add+0x12f/0xa40 [ 3339.524566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.524566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.524566][ T7704] netlink_rcv_skb+0x130/0x360 [ 3339.524566][ T7704] netlink_unicast+0x449/0x710 [ 3339.524566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3339.524566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3339.524566][ T7704] ___sys_sendmsg+0xee/0x170 [ 3339.524566][ T7704] __sys_sendmsg+0xcd/0x170 [ 3339.524566][ T7704] do_syscall_64+0xc6/0x1e0 [ 3339.524566][ T7704] [ 3339.526784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3339.526784][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3339.526784][ T7704] ipv6_find_idev+0x102/0x170 [ 3339.526784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3339.526784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.526784][ T7704] netlink_rcv_skb+0x130/0x360 [ 3339.526784][ T7704] netlink_unicast+0x449/0x710 [ 3339.526784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3339.526784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3339.526784][ T7704] ___sys_sendmsg+0xee/0x170 [ 3339.526784][ T7704] __sys_sendmsg+0xcd/0x170 [ 3339.526784][ T7704] do_syscall_64+0xc6/0x1e0 [ 3339.526784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.526784][ T7704] [ 3339.528520][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3339.528520][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3339.528520][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3339.528520][ T7704] ipv6_find_idev+0x102/0x170 [ 3339.528520][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3339.528520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.528520][ T7704] netlink_rcv_skb+0x130/0x360 [ 3339.528520][ T7704] netlink_unicast+0x449/0x710 [ 3339.528520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3339.528520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3339.528520][ T7704] ___sys_sendmsg+0xee/0x170 [ 3339.528520][ T7704] __sys_sendmsg+0xcd/0x170 [ 3339.528520][ T7704] do_syscall_64+0xc6/0x1e0 [ 3339.528520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.528520][ T7704] [ 3349.631034][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3349.631536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3349.631536][ T7704] netdev_get_by_index+0x5e/0x80 [ 3349.631536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3349.631536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3349.631536][ T7704] ip6_route_add+0x1c/0x140 [ 3349.631536][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3349.631536][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3349.631536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.631536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.631536][ T7704] netlink_rcv_skb+0x130/0x360 [ 3349.631536][ T7704] netlink_unicast+0x449/0x710 [ 3349.631536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3349.631536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3349.631536][ T7704] ___sys_sendmsg+0xee/0x170 [ 3349.631536][ T7704] __sys_sendmsg+0xcd/0x170 [ 3349.631536][ T7704] do_syscall_64+0xc6/0x1e0 [ 3349.631536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.631536][ T7704] [ 3349.633850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3349.633850][ T7704] netdev_get_by_index+0x5e/0x80 [ 3349.633850][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3349.633850][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3349.633850][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3349.633850][ T7704] ipv6_add_addr+0x411/0x2000 [ 3349.633850][ T7704] inet6_addr_add+0x30e/0xa40 [ 3349.633850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.633850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.633850][ T7704] netlink_rcv_skb+0x130/0x360 [ 3349.633850][ T7704] netlink_unicast+0x449/0x710 [ 3349.633850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3349.633850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3349.633850][ T7704] ___sys_sendmsg+0xee/0x170 [ 3349.633850][ T7704] __sys_sendmsg+0xcd/0x170 [ 3349.633850][ T7704] do_syscall_64+0xc6/0x1e0 [ 3349.633850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.633850][ T7704] [ 3349.636102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3349.636102][ T7704] netdev_get_by_index+0x5e/0x80 [ 3349.636102][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3349.636102][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3349.636102][ T7704] ip6_route_add+0x1c/0x140 [ 3349.636102][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3349.636102][ T7704] addrconf_add_dev+0xe2/0x170 [ 3349.636102][ T7704] inet6_addr_add+0x12f/0xa40 [ 3349.636102][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.636102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.636102][ T7704] netlink_rcv_skb+0x130/0x360 [ 3349.636102][ T7704] netlink_unicast+0x449/0x710 [ 3349.636102][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3349.636102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3349.636102][ T7704] ___sys_sendmsg+0xee/0x170 [ 3349.636102][ T7704] __sys_sendmsg+0xcd/0x170 [ 3349.636102][ T7704] do_syscall_64+0xc6/0x1e0 [ 3349.636102][ T7704] [ 3349.638306][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3349.638306][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3349.638306][ T7704] ipv6_find_idev+0x102/0x170 [ 3349.638306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3349.638306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.638306][ T7704] netlink_rcv_skb+0x130/0x360 [ 3349.638306][ T7704] netlink_unicast+0x449/0x710 [ 3349.638306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3349.638306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3349.638306][ T7704] ___sys_sendmsg+0xee/0x170 [ 3349.638306][ T7704] __sys_sendmsg+0xcd/0x170 [ 3349.638306][ T7704] do_syscall_64+0xc6/0x1e0 [ 3349.638306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.638306][ T7704] [ 3349.640134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3349.640134][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3349.640134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3349.640134][ T7704] ipv6_find_idev+0x102/0x170 [ 3349.640134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3349.640134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.640134][ T7704] netlink_rcv_skb+0x130/0x360 [ 3349.640134][ T7704] netlink_unicast+0x449/0x710 [ 3349.640134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3349.640134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3349.640134][ T7704] ___sys_sendmsg+0xee/0x170 [ 3349.640134][ T7704] __sys_sendmsg+0xcd/0x170 [ 3349.640134][ T7704] do_syscall_64+0xc6/0x1e0 [ 3349.640134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.640134][ T7704] [ 3359.879039][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3359.879571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3359.879571][ T7704] netdev_get_by_index+0x5e/0x80 [ 3359.879571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3359.879571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3359.879571][ T7704] ip6_route_add+0x1c/0x140 [ 3359.879571][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3359.879571][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3359.879571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.879571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.879571][ T7704] netlink_rcv_skb+0x130/0x360 [ 3359.879571][ T7704] netlink_unicast+0x449/0x710 [ 3359.879571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3359.879571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3359.879571][ T7704] ___sys_sendmsg+0xee/0x170 [ 3359.879571][ T7704] __sys_sendmsg+0xcd/0x170 [ 3359.879571][ T7704] do_syscall_64+0xc6/0x1e0 [ 3359.879571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.879571][ T7704] [ 3359.881865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3359.881865][ T7704] netdev_get_by_index+0x5e/0x80 [ 3359.881865][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3359.881865][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3359.881865][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3359.881865][ T7704] ipv6_add_addr+0x411/0x2000 [ 3359.881865][ T7704] inet6_addr_add+0x30e/0xa40 [ 3359.881865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.881865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.881865][ T7704] netlink_rcv_skb+0x130/0x360 [ 3359.881865][ T7704] netlink_unicast+0x449/0x710 [ 3359.881865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3359.881865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3359.881865][ T7704] ___sys_sendmsg+0xee/0x170 [ 3359.881865][ T7704] __sys_sendmsg+0xcd/0x170 [ 3359.881865][ T7704] do_syscall_64+0xc6/0x1e0 [ 3359.881865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.881865][ T7704] [ 3359.884110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3359.884110][ T7704] netdev_get_by_index+0x5e/0x80 [ 3359.884110][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3359.884110][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3359.884110][ T7704] ip6_route_add+0x1c/0x140 [ 3359.884110][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3359.884110][ T7704] addrconf_add_dev+0xe2/0x170 [ 3359.884110][ T7704] inet6_addr_add+0x12f/0xa40 [ 3359.884110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.884110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.884110][ T7704] netlink_rcv_skb+0x130/0x360 [ 3359.884110][ T7704] netlink_unicast+0x449/0x710 [ 3359.884110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3359.884110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3359.884110][ T7704] ___sys_sendmsg+0xee/0x170 [ 3359.884110][ T7704] __sys_sendmsg+0xcd/0x170 [ 3359.884110][ T7704] do_syscall_64+0xc6/0x1e0 [ 3359.884110][ T7704] [ 3359.886321][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3359.886321][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3359.886321][ T7704] ipv6_find_idev+0x102/0x170 [ 3359.886321][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3359.886321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.886321][ T7704] netlink_rcv_skb+0x130/0x360 [ 3359.886321][ T7704] netlink_unicast+0x449/0x710 [ 3359.886321][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3359.886321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3359.886321][ T7704] ___sys_sendmsg+0xee/0x170 [ 3359.886321][ T7704] __sys_sendmsg+0xcd/0x170 [ 3359.886321][ T7704] do_syscall_64+0xc6/0x1e0 [ 3359.886321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.886321][ T7704] [ 3359.888044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3359.888044][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3359.888044][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3359.888044][ T7704] ipv6_find_idev+0x102/0x170 [ 3359.888044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3359.888044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.888044][ T7704] netlink_rcv_skb+0x130/0x360 [ 3359.888044][ T7704] netlink_unicast+0x449/0x710 [ 3359.888044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3359.888044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3359.888044][ T7704] ___sys_sendmsg+0xee/0x170 [ 3359.888044][ T7704] __sys_sendmsg+0xcd/0x170 [ 3359.888044][ T7704] do_syscall_64+0xc6/0x1e0 [ 3359.888044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.888044][ T7704] [ 3370.127008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3370.127472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3370.127472][ T7704] netdev_get_by_index+0x5e/0x80 [ 3370.127472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3370.127472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3370.127472][ T7704] ip6_route_add+0x1c/0x140 [ 3370.127472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3370.127472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3370.127472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3370.127472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3370.127472][ T7704] netlink_rcv_skb+0x130/0x360 [ 3370.127472][ T7704] netlink_unicast+0x449/0x710 [ 3370.127472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3370.127472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3370.127472][ T7704] ___sys_sendmsg+0xee/0x170 [ 3370.127472][ T7704] __sys_sendmsg+0xcd/0x170 [ 3370.127472][ T7704] do_syscall_64+0xc6/0x1e0 [ 3370.127472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3370.127472][ T7704] [ 3370.129761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3370.129761][ T7704] netdev_get_by_index+0x5e/0x80 [ 3370.129761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3370.129761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3370.129761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3370.129761][ T7704] ipv6_add_addr+0x411/0x2000 [ 3370.129761][ T7704] inet6_addr_add+0x30e/0xa40 [ 3370.129761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3370.129761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3370.129761][ T7704] netlink_rcv_skb+0x130/0x360 [ 3370.129761][ T7704] netlink_unicast+0x449/0x710 [ 3370.129761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3370.129761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3370.129761][ T7704] ___sys_sendmsg+0xee/0x170 [ 3370.129761][ T7704] __sys_sendmsg+0xcd/0x170 [ 3370.129761][ T7704] do_syscall_64+0xc6/0x1e0 [ 3370.129761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3370.129761][ T7704] [ 3370.132006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3370.132006][ T7704] netdev_get_by_index+0x5e/0x80 [ 3370.132006][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3370.132006][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3370.132006][ T7704] ip6_route_add+0x1c/0x140 [ 3370.132006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3370.132006][ T7704] addrconf_add_dev+0xe2/0x170 [ 3370.132006][ T7704] inet6_addr_add+0x12f/0xa40 [ 3370.132006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3370.132006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3370.132006][ T7704] netlink_rcv_skb+0x130/0x360 [ 3370.132006][ T7704] netlink_unicast+0x449/0x710 [ 3370.132006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3370.132006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3370.132006][ T7704] ___sys_sendmsg+0xee/0x170 [ 3370.132006][ T7704] __sys_sendmsg+0xcd/0x170 [ 3370.132006][ T7704] do_syscall_64+0xc6/0x1e0 [ 3370.132006][ T7704] [ 3370.134227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3370.134227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3370.134227][ T7704] ipv6_find_idev+0x102/0x170 [ 3370.134227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3370.134227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3370.134227][ T7704] netlink_rcv_skb+0x130/0x360 [ 3370.134227][ T7704] netlink_unicast+0x449/0x710 [ 3370.134227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3370.134227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3370.134227][ T7704] ___sys_sendmsg+0xee/0x170 [ 3370.134227][ T7704] __sys_sendmsg+0xcd/0x170 [ 3370.134227][ T7704] do_syscall_64+0xc6/0x1e0 [ 3370.134227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3370.134227][ T7704] [ 3370.135947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3370.135947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3370.135947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3370.135947][ T7704] ipv6_find_idev+0x102/0x170 [ 3370.135947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3370.135947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3370.135947][ T7704] netlink_rcv_skb+0x130/0x360 [ 3370.135947][ T7704] netlink_unicast+0x449/0x710 [ 3370.135947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3370.135947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3370.135947][ T7704] ___sys_sendmsg+0xee/0x170 [ 3370.135947][ T7704] __sys_sendmsg+0xcd/0x170 [ 3370.135947][ T7704] do_syscall_64+0xc6/0x1e0 [ 3370.135947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3370.135947][ T7704] [ 3380.374903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3380.375387][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3380.375387][ T7704] netdev_get_by_index+0x5e/0x80 [ 3380.375387][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3380.375387][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3380.375387][ T7704] ip6_route_add+0x1c/0x140 [ 3380.375387][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3380.375387][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3380.375387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.375387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.375387][ T7704] netlink_rcv_skb+0x130/0x360 [ 3380.375387][ T7704] netlink_unicast+0x449/0x710 [ 3380.375387][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3380.375387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3380.375387][ T7704] ___sys_sendmsg+0xee/0x170 [ 3380.375387][ T7704] __sys_sendmsg+0xcd/0x170 [ 3380.375387][ T7704] do_syscall_64+0xc6/0x1e0 [ 3380.375387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.375387][ T7704] [ 3380.377739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3380.377739][ T7704] netdev_get_by_index+0x5e/0x80 [ 3380.377739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3380.377739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3380.377739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3380.377739][ T7704] ipv6_add_addr+0x411/0x2000 [ 3380.377739][ T7704] inet6_addr_add+0x30e/0xa40 [ 3380.377739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.377739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.377739][ T7704] netlink_rcv_skb+0x130/0x360 [ 3380.377739][ T7704] netlink_unicast+0x449/0x710 [ 3380.377739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3380.377739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3380.377739][ T7704] ___sys_sendmsg+0xee/0x170 [ 3380.377739][ T7704] __sys_sendmsg+0xcd/0x170 [ 3380.377739][ T7704] do_syscall_64+0xc6/0x1e0 [ 3380.377739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.377739][ T7704] [ 3380.379999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3380.379999][ T7704] netdev_get_by_index+0x5e/0x80 [ 3380.379999][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3380.379999][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3380.379999][ T7704] ip6_route_add+0x1c/0x140 [ 3380.379999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3380.379999][ T7704] addrconf_add_dev+0xe2/0x170 [ 3380.379999][ T7704] inet6_addr_add+0x12f/0xa40 [ 3380.379999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.379999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.379999][ T7704] netlink_rcv_skb+0x130/0x360 [ 3380.379999][ T7704] netlink_unicast+0x449/0x710 [ 3380.379999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3380.379999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3380.379999][ T7704] ___sys_sendmsg+0xee/0x170 [ 3380.379999][ T7704] __sys_sendmsg+0xcd/0x170 [ 3380.379999][ T7704] do_syscall_64+0xc6/0x1e0 [ 3380.379999][ T7704] [ 3380.382210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3380.382210][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3380.382210][ T7704] ipv6_find_idev+0x102/0x170 [ 3380.382210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3380.382210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.382210][ T7704] netlink_rcv_skb+0x130/0x360 [ 3380.382210][ T7704] netlink_unicast+0x449/0x710 [ 3380.382210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3380.382210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3380.382210][ T7704] ___sys_sendmsg+0xee/0x170 [ 3380.382210][ T7704] __sys_sendmsg+0xcd/0x170 [ 3380.382210][ T7704] do_syscall_64+0xc6/0x1e0 [ 3380.382210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.382210][ T7704] [ 3380.383954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3380.383954][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3380.383954][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3380.383954][ T7704] ipv6_find_idev+0x102/0x170 [ 3380.383954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3380.383954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.383954][ T7704] netlink_rcv_skb+0x130/0x360 [ 3380.383954][ T7704] netlink_unicast+0x449/0x710 [ 3380.383954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3380.383954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3380.383954][ T7704] ___sys_sendmsg+0xee/0x170 [ 3380.383954][ T7704] __sys_sendmsg+0xcd/0x170 [ 3380.383954][ T7704] do_syscall_64+0xc6/0x1e0 [ 3380.383954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.383954][ T7704] [ 3390.623005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3390.623524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3390.623524][ T7704] netdev_get_by_index+0x5e/0x80 [ 3390.623524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3390.623524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3390.623524][ T7704] ip6_route_add+0x1c/0x140 [ 3390.623524][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3390.623524][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3390.623524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.623524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.623524][ T7704] netlink_rcv_skb+0x130/0x360 [ 3390.623524][ T7704] netlink_unicast+0x449/0x710 [ 3390.623524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3390.623524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3390.623524][ T7704] ___sys_sendmsg+0xee/0x170 [ 3390.623524][ T7704] __sys_sendmsg+0xcd/0x170 [ 3390.623524][ T7704] do_syscall_64+0xc6/0x1e0 [ 3390.623524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.623524][ T7704] [ 3390.625848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3390.625848][ T7704] netdev_get_by_index+0x5e/0x80 [ 3390.625848][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3390.625848][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3390.625848][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3390.625848][ T7704] ipv6_add_addr+0x411/0x2000 [ 3390.625848][ T7704] inet6_addr_add+0x30e/0xa40 [ 3390.625848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.625848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.625848][ T7704] netlink_rcv_skb+0x130/0x360 [ 3390.625848][ T7704] netlink_unicast+0x449/0x710 [ 3390.625848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3390.625848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3390.625848][ T7704] ___sys_sendmsg+0xee/0x170 [ 3390.625848][ T7704] __sys_sendmsg+0xcd/0x170 [ 3390.625848][ T7704] do_syscall_64+0xc6/0x1e0 [ 3390.625848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.625848][ T7704] [ 3390.628101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3390.628101][ T7704] netdev_get_by_index+0x5e/0x80 [ 3390.628101][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3390.628101][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3390.628101][ T7704] ip6_route_add+0x1c/0x140 [ 3390.628101][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3390.628101][ T7704] addrconf_add_dev+0xe2/0x170 [ 3390.628101][ T7704] inet6_addr_add+0x12f/0xa40 [ 3390.628101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.628101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.628101][ T7704] netlink_rcv_skb+0x130/0x360 [ 3390.628101][ T7704] netlink_unicast+0x449/0x710 [ 3390.628101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3390.628101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3390.628101][ T7704] ___sys_sendmsg+0xee/0x170 [ 3390.628101][ T7704] __sys_sendmsg+0xcd/0x170 [ 3390.628101][ T7704] do_syscall_64+0xc6/0x1e0 [ 3390.628101][ T7704] [ 3390.630326][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3390.630326][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3390.630326][ T7704] ipv6_find_idev+0x102/0x170 [ 3390.630326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3390.630326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.630326][ T7704] netlink_rcv_skb+0x130/0x360 [ 3390.630326][ T7704] netlink_unicast+0x449/0x710 [ 3390.630326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3390.630326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3390.630326][ T7704] ___sys_sendmsg+0xee/0x170 [ 3390.630326][ T7704] __sys_sendmsg+0xcd/0x170 [ 3390.630326][ T7704] do_syscall_64+0xc6/0x1e0 [ 3390.630326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.630326][ T7704] [ 3390.632059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3390.632059][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3390.632059][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3390.632059][ T7704] ipv6_find_idev+0x102/0x170 [ 3390.632059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3390.632059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.632059][ T7704] netlink_rcv_skb+0x130/0x360 [ 3390.632059][ T7704] netlink_unicast+0x449/0x710 [ 3390.632059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3390.632059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3390.632059][ T7704] ___sys_sendmsg+0xee/0x170 [ 3390.632059][ T7704] __sys_sendmsg+0xcd/0x170 [ 3390.632059][ T7704] do_syscall_64+0xc6/0x1e0 [ 3390.632059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.632059][ T7704] [ 3400.870989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3400.871507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3400.871507][ T7704] netdev_get_by_index+0x5e/0x80 [ 3400.871507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3400.871507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3400.871507][ T7704] ip6_route_add+0x1c/0x140 [ 3400.871507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3400.871507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3400.871507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.871507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.871507][ T7704] netlink_rcv_skb+0x130/0x360 [ 3400.871507][ T7704] netlink_unicast+0x449/0x710 [ 3400.871507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3400.871507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3400.871507][ T7704] ___sys_sendmsg+0xee/0x170 [ 3400.871507][ T7704] __sys_sendmsg+0xcd/0x170 [ 3400.871507][ T7704] do_syscall_64+0xc6/0x1e0 [ 3400.871507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.871507][ T7704] [ 3400.873822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3400.873822][ T7704] netdev_get_by_index+0x5e/0x80 [ 3400.873822][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3400.873822][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3400.873822][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3400.873822][ T7704] ipv6_add_addr+0x411/0x2000 [ 3400.873822][ T7704] inet6_addr_add+0x30e/0xa40 [ 3400.873822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.873822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.873822][ T7704] netlink_rcv_skb+0x130/0x360 [ 3400.873822][ T7704] netlink_unicast+0x449/0x710 [ 3400.873822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3400.873822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3400.873822][ T7704] ___sys_sendmsg+0xee/0x170 [ 3400.873822][ T7704] __sys_sendmsg+0xcd/0x170 [ 3400.873822][ T7704] do_syscall_64+0xc6/0x1e0 [ 3400.873822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.873822][ T7704] [ 3400.876600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3400.876600][ T7704] netdev_get_by_index+0x5e/0x80 [ 3400.876600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3400.876600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3400.876600][ T7704] ip6_route_add+0x1c/0x140 [ 3400.876600][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3400.876600][ T7704] addrconf_add_dev+0xe2/0x170 [ 3400.876600][ T7704] inet6_addr_add+0x12f/0xa40 [ 3400.876600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.876600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.876600][ T7704] netlink_rcv_skb+0x130/0x360 [ 3400.876600][ T7704] netlink_unicast+0x449/0x710 [ 3400.876600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3400.876600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3400.876600][ T7704] ___sys_sendmsg+0xee/0x170 [ 3400.876600][ T7704] __sys_sendmsg+0xcd/0x170 [ 3400.876600][ T7704] do_syscall_64+0xc6/0x1e0 [ 3400.876600][ T7704] [ 3400.878822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3400.878822][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3400.878822][ T7704] ipv6_find_idev+0x102/0x170 [ 3400.878822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3400.878822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.878822][ T7704] netlink_rcv_skb+0x130/0x360 [ 3400.878822][ T7704] netlink_unicast+0x449/0x710 [ 3400.878822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3400.878822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3400.878822][ T7704] ___sys_sendmsg+0xee/0x170 [ 3400.878822][ T7704] __sys_sendmsg+0xcd/0x170 [ 3400.878822][ T7704] do_syscall_64+0xc6/0x1e0 [ 3400.878822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.878822][ T7704] [ 3400.880554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3400.880554][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3400.880554][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3400.880554][ T7704] ipv6_find_idev+0x102/0x170 [ 3400.880554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3400.880554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.880554][ T7704] netlink_rcv_skb+0x130/0x360 [ 3400.880554][ T7704] netlink_unicast+0x449/0x710 [ 3400.880554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3400.880554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3400.880554][ T7704] ___sys_sendmsg+0xee/0x170 [ 3400.880554][ T7704] __sys_sendmsg+0xcd/0x170 [ 3400.880554][ T7704] do_syscall_64+0xc6/0x1e0 [ 3400.880554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.880554][ T7704] [ 3411.126985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3411.127497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3411.127497][ T7704] netdev_get_by_index+0x5e/0x80 [ 3411.127497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3411.127497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3411.127497][ T7704] ip6_route_add+0x1c/0x140 [ 3411.127497][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3411.127497][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3411.127497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3411.127497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3411.127497][ T7704] netlink_rcv_skb+0x130/0x360 [ 3411.127497][ T7704] netlink_unicast+0x449/0x710 [ 3411.127497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3411.127497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3411.127497][ T7704] ___sys_sendmsg+0xee/0x170 [ 3411.127497][ T7704] __sys_sendmsg+0xcd/0x170 [ 3411.127497][ T7704] do_syscall_64+0xc6/0x1e0 [ 3411.127497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3411.127497][ T7704] [ 3411.129773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3411.129773][ T7704] netdev_get_by_index+0x5e/0x80 [ 3411.129773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3411.129773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3411.129773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3411.129773][ T7704] ipv6_add_addr+0x411/0x2000 [ 3411.129773][ T7704] inet6_addr_add+0x30e/0xa40 [ 3411.129773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3411.129773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3411.129773][ T7704] netlink_rcv_skb+0x130/0x360 [ 3411.129773][ T7704] netlink_unicast+0x449/0x710 [ 3411.129773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3411.129773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3411.129773][ T7704] ___sys_sendmsg+0xee/0x170 [ 3411.129773][ T7704] __sys_sendmsg+0xcd/0x170 [ 3411.129773][ T7704] do_syscall_64+0xc6/0x1e0 [ 3411.129773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3411.129773][ T7704] [ 3411.132013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3411.132013][ T7704] netdev_get_by_index+0x5e/0x80 [ 3411.132013][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3411.132013][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3411.132013][ T7704] ip6_route_add+0x1c/0x140 [ 3411.132013][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3411.132013][ T7704] addrconf_add_dev+0xe2/0x170 [ 3411.132013][ T7704] inet6_addr_add+0x12f/0xa40 [ 3411.132013][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3411.132013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3411.132013][ T7704] netlink_rcv_skb+0x130/0x360 [ 3411.132013][ T7704] netlink_unicast+0x449/0x710 [ 3411.132013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3411.132013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3411.132013][ T7704] ___sys_sendmsg+0xee/0x170 [ 3411.132013][ T7704] __sys_sendmsg+0xcd/0x170 [ 3411.132013][ T7704] do_syscall_64+0xc6/0x1e0 [ 3411.132013][ T7704] [ 3411.134223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3411.134223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3411.134223][ T7704] ipv6_find_idev+0x102/0x170 [ 3411.134223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3411.134223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3411.134223][ T7704] netlink_rcv_skb+0x130/0x360 [ 3411.134223][ T7704] netlink_unicast+0x449/0x710 [ 3411.134223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3411.134223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3411.134223][ T7704] ___sys_sendmsg+0xee/0x170 [ 3411.134223][ T7704] __sys_sendmsg+0xcd/0x170 [ 3411.134223][ T7704] do_syscall_64+0xc6/0x1e0 [ 3411.134223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3411.134223][ T7704] [ 3411.138115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3411.138115][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3411.138115][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3411.138115][ T7704] ipv6_find_idev+0x102/0x170 [ 3411.138115][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3411.138115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3411.138115][ T7704] netlink_rcv_skb+0x130/0x360 [ 3411.138115][ T7704] netlink_unicast+0x449/0x710 [ 3411.138115][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3411.138115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3411.138115][ T7704] ___sys_sendmsg+0xee/0x170 [ 3411.138115][ T7704] __sys_sendmsg+0xcd/0x170 [ 3411.138115][ T7704] do_syscall_64+0xc6/0x1e0 [ 3411.138115][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3411.138115][ T7704] [ 3421.183015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3421.183494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3421.183494][ T7704] netdev_get_by_index+0x5e/0x80 [ 3421.183494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3421.183494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3421.183494][ T7704] ip6_route_add+0x1c/0x140 [ 3421.183494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3421.183494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3421.183494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.183494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.183494][ T7704] netlink_rcv_skb+0x130/0x360 [ 3421.183494][ T7704] netlink_unicast+0x449/0x710 [ 3421.183494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3421.183494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3421.183494][ T7704] ___sys_sendmsg+0xee/0x170 [ 3421.183494][ T7704] __sys_sendmsg+0xcd/0x170 [ 3421.183494][ T7704] do_syscall_64+0xc6/0x1e0 [ 3421.183494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.183494][ T7704] [ 3421.185748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3421.185748][ T7704] netdev_get_by_index+0x5e/0x80 [ 3421.185748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3421.185748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3421.185748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3421.185748][ T7704] ipv6_add_addr+0x411/0x2000 [ 3421.185748][ T7704] inet6_addr_add+0x30e/0xa40 [ 3421.185748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.185748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.185748][ T7704] netlink_rcv_skb+0x130/0x360 [ 3421.185748][ T7704] netlink_unicast+0x449/0x710 [ 3421.185748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3421.185748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3421.185748][ T7704] ___sys_sendmsg+0xee/0x170 [ 3421.185748][ T7704] __sys_sendmsg+0xcd/0x170 [ 3421.185748][ T7704] do_syscall_64+0xc6/0x1e0 [ 3421.185748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.185748][ T7704] [ 3421.187976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3421.187976][ T7704] netdev_get_by_index+0x5e/0x80 [ 3421.187976][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3421.187976][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3421.187976][ T7704] ip6_route_add+0x1c/0x140 [ 3421.187976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3421.187976][ T7704] addrconf_add_dev+0xe2/0x170 [ 3421.187976][ T7704] inet6_addr_add+0x12f/0xa40 [ 3421.187976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.187976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.187976][ T7704] netlink_rcv_skb+0x130/0x360 [ 3421.187976][ T7704] netlink_unicast+0x449/0x710 [ 3421.187976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3421.187976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3421.187976][ T7704] ___sys_sendmsg+0xee/0x170 [ 3421.187976][ T7704] __sys_sendmsg+0xcd/0x170 [ 3421.187976][ T7704] do_syscall_64+0xc6/0x1e0 [ 3421.187976][ T7704] [ 3421.190164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3421.190164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3421.190164][ T7704] ipv6_find_idev+0x102/0x170 [ 3421.190164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3421.190164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.190164][ T7704] netlink_rcv_skb+0x130/0x360 [ 3421.190164][ T7704] netlink_unicast+0x449/0x710 [ 3421.190164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3421.190164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3421.190164][ T7704] ___sys_sendmsg+0xee/0x170 [ 3421.190164][ T7704] __sys_sendmsg+0xcd/0x170 [ 3421.190164][ T7704] do_syscall_64+0xc6/0x1e0 [ 3421.190164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.190164][ T7704] [ 3421.191873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3421.191873][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3421.191873][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3421.191873][ T7704] ipv6_find_idev+0x102/0x170 [ 3421.191873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3421.191873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.191873][ T7704] netlink_rcv_skb+0x130/0x360 [ 3421.191873][ T7704] netlink_unicast+0x449/0x710 [ 3421.191873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3421.191873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3421.191873][ T7704] ___sys_sendmsg+0xee/0x170 [ 3421.191873][ T7704] __sys_sendmsg+0xcd/0x170 [ 3421.191873][ T7704] do_syscall_64+0xc6/0x1e0 [ 3421.191873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.191873][ T7704] [ 3431.263015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3431.263571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3431.263571][ T7704] netdev_get_by_index+0x5e/0x80 [ 3431.263571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3431.263571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3431.263571][ T7704] ip6_route_add+0x1c/0x140 [ 3431.263571][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3431.263571][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3431.263571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.263571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.263571][ T7704] netlink_rcv_skb+0x130/0x360 [ 3431.263571][ T7704] netlink_unicast+0x449/0x710 [ 3431.263571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3431.263571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3431.263571][ T7704] ___sys_sendmsg+0xee/0x170 [ 3431.263571][ T7704] __sys_sendmsg+0xcd/0x170 [ 3431.263571][ T7704] do_syscall_64+0xc6/0x1e0 [ 3431.263571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.263571][ T7704] [ 3431.265883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3431.265883][ T7704] netdev_get_by_index+0x5e/0x80 [ 3431.265883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3431.265883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3431.265883][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3431.265883][ T7704] ipv6_add_addr+0x411/0x2000 [ 3431.265883][ T7704] inet6_addr_add+0x30e/0xa40 [ 3431.265883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.265883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.265883][ T7704] netlink_rcv_skb+0x130/0x360 [ 3431.265883][ T7704] netlink_unicast+0x449/0x710 [ 3431.265883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3431.265883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3431.265883][ T7704] ___sys_sendmsg+0xee/0x170 [ 3431.265883][ T7704] __sys_sendmsg+0xcd/0x170 [ 3431.265883][ T7704] do_syscall_64+0xc6/0x1e0 [ 3431.265883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.265883][ T7704] [ 3431.268255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3431.268255][ T7704] netdev_get_by_index+0x5e/0x80 [ 3431.268255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3431.268255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3431.268255][ T7704] ip6_route_add+0x1c/0x140 [ 3431.268255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3431.268255][ T7704] addrconf_add_dev+0xe2/0x170 [ 3431.268255][ T7704] inet6_addr_add+0x12f/0xa40 [ 3431.268255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.268255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.268255][ T7704] netlink_rcv_skb+0x130/0x360 [ 3431.268255][ T7704] netlink_unicast+0x449/0x710 [ 3431.268255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3431.268255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3431.268255][ T7704] ___sys_sendmsg+0xee/0x170 [ 3431.268255][ T7704] __sys_sendmsg+0xcd/0x170 [ 3431.268255][ T7704] do_syscall_64+0xc6/0x1e0 [ 3431.268255][ T7704] [ 3431.270472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3431.270472][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3431.270472][ T7704] ipv6_find_idev+0x102/0x170 [ 3431.270472][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3431.270472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.270472][ T7704] netlink_rcv_skb+0x130/0x360 [ 3431.270472][ T7704] netlink_unicast+0x449/0x710 [ 3431.270472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3431.270472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3431.270472][ T7704] ___sys_sendmsg+0xee/0x170 [ 3431.270472][ T7704] __sys_sendmsg+0xcd/0x170 [ 3431.270472][ T7704] do_syscall_64+0xc6/0x1e0 [ 3431.270472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.270472][ T7704] [ 3431.272207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3431.272207][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3431.272207][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3431.272207][ T7704] ipv6_find_idev+0x102/0x170 [ 3431.272207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3431.272207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.272207][ T7704] netlink_rcv_skb+0x130/0x360 [ 3431.272207][ T7704] netlink_unicast+0x449/0x710 [ 3431.272207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3431.272207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3431.272207][ T7704] ___sys_sendmsg+0xee/0x170 [ 3431.272207][ T7704] __sys_sendmsg+0xcd/0x170 [ 3431.272207][ T7704] do_syscall_64+0xc6/0x1e0 [ 3431.272207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.272207][ T7704] [ 3441.526960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3441.527435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3441.527435][ T7704] netdev_get_by_index+0x5e/0x80 [ 3441.527435][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3441.527435][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3441.527435][ T7704] ip6_route_add+0x1c/0x140 [ 3441.527435][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3441.527435][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3441.527435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.527435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.527435][ T7704] netlink_rcv_skb+0x130/0x360 [ 3441.527435][ T7704] netlink_unicast+0x449/0x710 [ 3441.527435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3441.527435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3441.527435][ T7704] ___sys_sendmsg+0xee/0x170 [ 3441.527435][ T7704] __sys_sendmsg+0xcd/0x170 [ 3441.527435][ T7704] do_syscall_64+0xc6/0x1e0 [ 3441.527435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.527435][ T7704] [ 3441.529710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3441.529710][ T7704] netdev_get_by_index+0x5e/0x80 [ 3441.529710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3441.529710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3441.529710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3441.529710][ T7704] ipv6_add_addr+0x411/0x2000 [ 3441.529710][ T7704] inet6_addr_add+0x30e/0xa40 [ 3441.529710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.529710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.529710][ T7704] netlink_rcv_skb+0x130/0x360 [ 3441.529710][ T7704] netlink_unicast+0x449/0x710 [ 3441.529710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3441.529710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3441.529710][ T7704] ___sys_sendmsg+0xee/0x170 [ 3441.529710][ T7704] __sys_sendmsg+0xcd/0x170 [ 3441.529710][ T7704] do_syscall_64+0xc6/0x1e0 [ 3441.529710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.529710][ T7704] [ 3441.531982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3441.531982][ T7704] netdev_get_by_index+0x5e/0x80 [ 3441.531982][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3441.531982][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3441.531982][ T7704] ip6_route_add+0x1c/0x140 [ 3441.531982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3441.531982][ T7704] addrconf_add_dev+0xe2/0x170 [ 3441.531982][ T7704] inet6_addr_add+0x12f/0xa40 [ 3441.531982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.531982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.531982][ T7704] netlink_rcv_skb+0x130/0x360 [ 3441.531982][ T7704] netlink_unicast+0x449/0x710 [ 3441.531982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3441.531982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3441.531982][ T7704] ___sys_sendmsg+0xee/0x170 [ 3441.531982][ T7704] __sys_sendmsg+0xcd/0x170 [ 3441.531982][ T7704] do_syscall_64+0xc6/0x1e0 [ 3441.531982][ T7704] [ 3441.534217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3441.534217][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3441.534217][ T7704] ipv6_find_idev+0x102/0x170 [ 3441.534217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3441.534217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.534217][ T7704] netlink_rcv_skb+0x130/0x360 [ 3441.534217][ T7704] netlink_unicast+0x449/0x710 [ 3441.534217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3441.534217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3441.534217][ T7704] ___sys_sendmsg+0xee/0x170 [ 3441.534217][ T7704] __sys_sendmsg+0xcd/0x170 [ 3441.534217][ T7704] do_syscall_64+0xc6/0x1e0 [ 3441.534217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.534217][ T7704] [ 3441.535984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3441.535984][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3441.535984][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3441.535984][ T7704] ipv6_find_idev+0x102/0x170 [ 3441.535984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3441.535984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.535984][ T7704] netlink_rcv_skb+0x130/0x360 [ 3441.535984][ T7704] netlink_unicast+0x449/0x710 [ 3441.535984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3441.535984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3441.535984][ T7704] ___sys_sendmsg+0xee/0x170 [ 3441.535984][ T7704] __sys_sendmsg+0xcd/0x170 [ 3441.535984][ T7704] do_syscall_64+0xc6/0x1e0 [ 3441.535984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.535984][ T7704] [ 3451.790968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3451.791468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3451.791468][ T7704] netdev_get_by_index+0x5e/0x80 [ 3451.791468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3451.791468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3451.791468][ T7704] ip6_route_add+0x1c/0x140 [ 3451.791468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3451.791468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3451.791468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.791468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.791468][ T7704] netlink_rcv_skb+0x130/0x360 [ 3451.791468][ T7704] netlink_unicast+0x449/0x710 [ 3451.791468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3451.791468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3451.791468][ T7704] ___sys_sendmsg+0xee/0x170 [ 3451.791468][ T7704] __sys_sendmsg+0xcd/0x170 [ 3451.791468][ T7704] do_syscall_64+0xc6/0x1e0 [ 3451.791468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.791468][ T7704] [ 3451.793769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3451.793769][ T7704] netdev_get_by_index+0x5e/0x80 [ 3451.793769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3451.793769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3451.793769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3451.793769][ T7704] ipv6_add_addr+0x411/0x2000 [ 3451.793769][ T7704] inet6_addr_add+0x30e/0xa40 [ 3451.793769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.793769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.793769][ T7704] netlink_rcv_skb+0x130/0x360 [ 3451.793769][ T7704] netlink_unicast+0x449/0x710 [ 3451.793769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3451.793769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3451.793769][ T7704] ___sys_sendmsg+0xee/0x170 [ 3451.793769][ T7704] __sys_sendmsg+0xcd/0x170 [ 3451.793769][ T7704] do_syscall_64+0xc6/0x1e0 [ 3451.793769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.793769][ T7704] [ 3451.796162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3451.796162][ T7704] netdev_get_by_index+0x5e/0x80 [ 3451.796162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3451.796162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3451.796162][ T7704] ip6_route_add+0x1c/0x140 [ 3451.796162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3451.796162][ T7704] addrconf_add_dev+0xe2/0x170 [ 3451.796162][ T7704] inet6_addr_add+0x12f/0xa40 [ 3451.796162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.796162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.796162][ T7704] netlink_rcv_skb+0x130/0x360 [ 3451.796162][ T7704] netlink_unicast+0x449/0x710 [ 3451.796162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3451.796162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3451.796162][ T7704] ___sys_sendmsg+0xee/0x170 [ 3451.796162][ T7704] __sys_sendmsg+0xcd/0x170 [ 3451.796162][ T7704] do_syscall_64+0xc6/0x1e0 [ 3451.796162][ T7704] [ 3451.798471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3451.798471][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3451.798471][ T7704] ipv6_find_idev+0x102/0x170 [ 3451.798471][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3451.798471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.798471][ T7704] netlink_rcv_skb+0x130/0x360 [ 3451.798471][ T7704] netlink_unicast+0x449/0x710 [ 3451.798471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3451.798471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3451.798471][ T7704] ___sys_sendmsg+0xee/0x170 [ 3451.798471][ T7704] __sys_sendmsg+0xcd/0x170 [ 3451.798471][ T7704] do_syscall_64+0xc6/0x1e0 [ 3451.798471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.798471][ T7704] [ 3451.800249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3451.800249][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3451.800249][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3451.800249][ T7704] ipv6_find_idev+0x102/0x170 [ 3451.800249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3451.800249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.800249][ T7704] netlink_rcv_skb+0x130/0x360 [ 3451.800249][ T7704] netlink_unicast+0x449/0x710 [ 3451.800249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3451.800249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3451.800249][ T7704] ___sys_sendmsg+0xee/0x170 [ 3451.800249][ T7704] __sys_sendmsg+0xcd/0x170 [ 3451.800249][ T7704] do_syscall_64+0xc6/0x1e0 [ 3451.800249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.800249][ T7704] [ 3461.839055][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3461.839588][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3461.839588][ T7704] netdev_get_by_index+0x5e/0x80 [ 3461.839588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3461.839588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3461.839588][ T7704] ip6_route_add+0x1c/0x140 [ 3461.839588][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3461.839588][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3461.839588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.839588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.839588][ T7704] netlink_rcv_skb+0x130/0x360 [ 3461.839588][ T7704] netlink_unicast+0x449/0x710 [ 3461.839588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3461.839588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3461.839588][ T7704] ___sys_sendmsg+0xee/0x170 [ 3461.839588][ T7704] __sys_sendmsg+0xcd/0x170 [ 3461.839588][ T7704] do_syscall_64+0xc6/0x1e0 [ 3461.839588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.839588][ T7704] [ 3461.841839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3461.841839][ T7704] netdev_get_by_index+0x5e/0x80 [ 3461.841839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3461.841839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3461.841839][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3461.841839][ T7704] ipv6_add_addr+0x411/0x2000 [ 3461.841839][ T7704] inet6_addr_add+0x30e/0xa40 [ 3461.841839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.841839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.841839][ T7704] netlink_rcv_skb+0x130/0x360 [ 3461.841839][ T7704] netlink_unicast+0x449/0x710 [ 3461.841839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3461.841839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3461.841839][ T7704] ___sys_sendmsg+0xee/0x170 [ 3461.841839][ T7704] __sys_sendmsg+0xcd/0x170 [ 3461.841839][ T7704] do_syscall_64+0xc6/0x1e0 [ 3461.841839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.841839][ T7704] [ 3461.844095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3461.844095][ T7704] netdev_get_by_index+0x5e/0x80 [ 3461.844095][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3461.844095][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3461.844095][ T7704] ip6_route_add+0x1c/0x140 [ 3461.844095][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3461.844095][ T7704] addrconf_add_dev+0xe2/0x170 [ 3461.844095][ T7704] inet6_addr_add+0x12f/0xa40 [ 3461.844095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.844095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.844095][ T7704] netlink_rcv_skb+0x130/0x360 [ 3461.844095][ T7704] netlink_unicast+0x449/0x710 [ 3461.844095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3461.844095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3461.844095][ T7704] ___sys_sendmsg+0xee/0x170 [ 3461.844095][ T7704] __sys_sendmsg+0xcd/0x170 [ 3461.844095][ T7704] do_syscall_64+0xc6/0x1e0 [ 3461.844095][ T7704] [ 3461.846286][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3461.846286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3461.846286][ T7704] ipv6_find_idev+0x102/0x170 [ 3461.846286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3461.846286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.846286][ T7704] netlink_rcv_skb+0x130/0x360 [ 3461.846286][ T7704] netlink_unicast+0x449/0x710 [ 3461.846286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3461.846286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3461.846286][ T7704] ___sys_sendmsg+0xee/0x170 [ 3461.846286][ T7704] __sys_sendmsg+0xcd/0x170 [ 3461.846286][ T7704] do_syscall_64+0xc6/0x1e0 [ 3461.846286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.846286][ T7704] [ 3461.848000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3461.848000][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3461.848000][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3461.848000][ T7704] ipv6_find_idev+0x102/0x170 [ 3461.848000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3461.848000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.848000][ T7704] netlink_rcv_skb+0x130/0x360 [ 3461.848000][ T7704] netlink_unicast+0x449/0x710 [ 3461.848000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3461.848000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3461.848000][ T7704] ___sys_sendmsg+0xee/0x170 [ 3461.848000][ T7704] __sys_sendmsg+0xcd/0x170 [ 3461.848000][ T7704] do_syscall_64+0xc6/0x1e0 [ 3461.848000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.848000][ T7704] [ 3472.103075][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3472.103541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3472.103541][ T7704] netdev_get_by_index+0x5e/0x80 [ 3472.103541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3472.103541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3472.103541][ T7704] ip6_route_add+0x1c/0x140 [ 3472.103541][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3472.103541][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3472.103541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.103541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.103541][ T7704] netlink_rcv_skb+0x130/0x360 [ 3472.103541][ T7704] netlink_unicast+0x449/0x710 [ 3472.103541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3472.103541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3472.103541][ T7704] ___sys_sendmsg+0xee/0x170 [ 3472.103541][ T7704] __sys_sendmsg+0xcd/0x170 [ 3472.103541][ T7704] do_syscall_64+0xc6/0x1e0 [ 3472.103541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.103541][ T7704] [ 3472.105794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3472.105794][ T7704] netdev_get_by_index+0x5e/0x80 [ 3472.105794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3472.105794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3472.105794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3472.105794][ T7704] ipv6_add_addr+0x411/0x2000 [ 3472.105794][ T7704] inet6_addr_add+0x30e/0xa40 [ 3472.105794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.105794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.105794][ T7704] netlink_rcv_skb+0x130/0x360 [ 3472.105794][ T7704] netlink_unicast+0x449/0x710 [ 3472.105794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3472.105794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3472.105794][ T7704] ___sys_sendmsg+0xee/0x170 [ 3472.105794][ T7704] __sys_sendmsg+0xcd/0x170 [ 3472.105794][ T7704] do_syscall_64+0xc6/0x1e0 [ 3472.105794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.105794][ T7704] [ 3472.108052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3472.108052][ T7704] netdev_get_by_index+0x5e/0x80 [ 3472.108052][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3472.108052][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3472.108052][ T7704] ip6_route_add+0x1c/0x140 [ 3472.108052][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3472.108052][ T7704] addrconf_add_dev+0xe2/0x170 [ 3472.108052][ T7704] inet6_addr_add+0x12f/0xa40 [ 3472.108052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.108052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.108052][ T7704] netlink_rcv_skb+0x130/0x360 [ 3472.108052][ T7704] netlink_unicast+0x449/0x710 [ 3472.108052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3472.108052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3472.108052][ T7704] ___sys_sendmsg+0xee/0x170 [ 3472.108052][ T7704] __sys_sendmsg+0xcd/0x170 [ 3472.108052][ T7704] do_syscall_64+0xc6/0x1e0 [ 3472.108052][ T7704] [ 3472.110232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3472.110232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3472.110232][ T7704] ipv6_find_idev+0x102/0x170 [ 3472.110232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3472.110232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.110232][ T7704] netlink_rcv_skb+0x130/0x360 [ 3472.110232][ T7704] netlink_unicast+0x449/0x710 [ 3472.110232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3472.110232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3472.110232][ T7704] ___sys_sendmsg+0xee/0x170 [ 3472.110232][ T7704] __sys_sendmsg+0xcd/0x170 [ 3472.110232][ T7704] do_syscall_64+0xc6/0x1e0 [ 3472.110232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.110232][ T7704] [ 3472.111938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3472.111938][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3472.111938][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3472.111938][ T7704] ipv6_find_idev+0x102/0x170 [ 3472.111938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3472.111938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.111938][ T7704] netlink_rcv_skb+0x130/0x360 [ 3472.111938][ T7704] netlink_unicast+0x449/0x710 [ 3472.111938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3472.111938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3472.111938][ T7704] ___sys_sendmsg+0xee/0x170 [ 3472.111938][ T7704] __sys_sendmsg+0xcd/0x170 [ 3472.111938][ T7704] do_syscall_64+0xc6/0x1e0 [ 3472.111938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.111938][ T7704] [ 3482.350962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3482.351467][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3482.351467][ T7704] netdev_get_by_index+0x5e/0x80 [ 3482.351467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3482.351467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3482.351467][ T7704] ip6_route_add+0x1c/0x140 [ 3482.351467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3482.351467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3482.351467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.351467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.351467][ T7704] netlink_rcv_skb+0x130/0x360 [ 3482.351467][ T7704] netlink_unicast+0x449/0x710 [ 3482.351467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3482.351467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3482.351467][ T7704] ___sys_sendmsg+0xee/0x170 [ 3482.351467][ T7704] __sys_sendmsg+0xcd/0x170 [ 3482.351467][ T7704] do_syscall_64+0xc6/0x1e0 [ 3482.351467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.351467][ T7704] [ 3482.353735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3482.353735][ T7704] netdev_get_by_index+0x5e/0x80 [ 3482.353735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3482.353735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3482.353735][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3482.353735][ T7704] ipv6_add_addr+0x411/0x2000 [ 3482.353735][ T7704] inet6_addr_add+0x30e/0xa40 [ 3482.353735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.353735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.353735][ T7704] netlink_rcv_skb+0x130/0x360 [ 3482.353735][ T7704] netlink_unicast+0x449/0x710 [ 3482.353735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3482.353735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3482.353735][ T7704] ___sys_sendmsg+0xee/0x170 [ 3482.353735][ T7704] __sys_sendmsg+0xcd/0x170 [ 3482.353735][ T7704] do_syscall_64+0xc6/0x1e0 [ 3482.353735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.353735][ T7704] [ 3482.355969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3482.355969][ T7704] netdev_get_by_index+0x5e/0x80 [ 3482.355969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3482.355969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3482.355969][ T7704] ip6_route_add+0x1c/0x140 [ 3482.355969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3482.355969][ T7704] addrconf_add_dev+0xe2/0x170 [ 3482.355969][ T7704] inet6_addr_add+0x12f/0xa40 [ 3482.355969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.355969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.355969][ T7704] netlink_rcv_skb+0x130/0x360 [ 3482.355969][ T7704] netlink_unicast+0x449/0x710 [ 3482.355969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3482.355969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3482.355969][ T7704] ___sys_sendmsg+0xee/0x170 [ 3482.355969][ T7704] __sys_sendmsg+0xcd/0x170 [ 3482.355969][ T7704] do_syscall_64+0xc6/0x1e0 [ 3482.355969][ T7704] [ 3482.358150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3482.358150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3482.358150][ T7704] ipv6_find_idev+0x102/0x170 [ 3482.358150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3482.358150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.358150][ T7704] netlink_rcv_skb+0x130/0x360 [ 3482.358150][ T7704] netlink_unicast+0x449/0x710 [ 3482.358150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3482.358150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3482.358150][ T7704] ___sys_sendmsg+0xee/0x170 [ 3482.358150][ T7704] __sys_sendmsg+0xcd/0x170 [ 3482.358150][ T7704] do_syscall_64+0xc6/0x1e0 [ 3482.358150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.358150][ T7704] [ 3482.359949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3482.359949][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3482.359949][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3482.359949][ T7704] ipv6_find_idev+0x102/0x170 [ 3482.359949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3482.359949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.359949][ T7704] netlink_rcv_skb+0x130/0x360 [ 3482.359949][ T7704] netlink_unicast+0x449/0x710 [ 3482.359949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3482.359949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3482.359949][ T7704] ___sys_sendmsg+0xee/0x170 [ 3482.359949][ T7704] __sys_sendmsg+0xcd/0x170 [ 3482.359949][ T7704] do_syscall_64+0xc6/0x1e0 [ 3482.359949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.359949][ T7704] [ 3492.598906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3492.599423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3492.599423][ T7704] netdev_get_by_index+0x5e/0x80 [ 3492.599423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3492.599423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3492.599423][ T7704] ip6_route_add+0x1c/0x140 [ 3492.599423][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3492.599423][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3492.599423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.599423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.599423][ T7704] netlink_rcv_skb+0x130/0x360 [ 3492.599423][ T7704] netlink_unicast+0x449/0x710 [ 3492.599423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3492.599423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3492.599423][ T7704] ___sys_sendmsg+0xee/0x170 [ 3492.599423][ T7704] __sys_sendmsg+0xcd/0x170 [ 3492.599423][ T7704] do_syscall_64+0xc6/0x1e0 [ 3492.599423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.599423][ T7704] [ 3492.601687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3492.601687][ T7704] netdev_get_by_index+0x5e/0x80 [ 3492.601687][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3492.601687][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3492.601687][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3492.601687][ T7704] ipv6_add_addr+0x411/0x2000 [ 3492.601687][ T7704] inet6_addr_add+0x30e/0xa40 [ 3492.601687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.601687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.601687][ T7704] netlink_rcv_skb+0x130/0x360 [ 3492.601687][ T7704] netlink_unicast+0x449/0x710 [ 3492.601687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3492.601687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3492.601687][ T7704] ___sys_sendmsg+0xee/0x170 [ 3492.601687][ T7704] __sys_sendmsg+0xcd/0x170 [ 3492.601687][ T7704] do_syscall_64+0xc6/0x1e0 [ 3492.601687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.601687][ T7704] [ 3492.603945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3492.603945][ T7704] netdev_get_by_index+0x5e/0x80 [ 3492.603945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3492.603945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3492.603945][ T7704] ip6_route_add+0x1c/0x140 [ 3492.603945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3492.603945][ T7704] addrconf_add_dev+0xe2/0x170 [ 3492.603945][ T7704] inet6_addr_add+0x12f/0xa40 [ 3492.603945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.603945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.603945][ T7704] netlink_rcv_skb+0x130/0x360 [ 3492.603945][ T7704] netlink_unicast+0x449/0x710 [ 3492.603945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3492.603945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3492.603945][ T7704] ___sys_sendmsg+0xee/0x170 [ 3492.603945][ T7704] __sys_sendmsg+0xcd/0x170 [ 3492.603945][ T7704] do_syscall_64+0xc6/0x1e0 [ 3492.603945][ T7704] [ 3492.606179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3492.606179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3492.606179][ T7704] ipv6_find_idev+0x102/0x170 [ 3492.606179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3492.606179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.606179][ T7704] netlink_rcv_skb+0x130/0x360 [ 3492.606179][ T7704] netlink_unicast+0x449/0x710 [ 3492.606179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3492.606179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3492.606179][ T7704] ___sys_sendmsg+0xee/0x170 [ 3492.606179][ T7704] __sys_sendmsg+0xcd/0x170 [ 3492.606179][ T7704] do_syscall_64+0xc6/0x1e0 [ 3492.606179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.606179][ T7704] [ 3492.607899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3492.607899][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3492.607899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3492.607899][ T7704] ipv6_find_idev+0x102/0x170 [ 3492.607899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3492.607899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.607899][ T7704] netlink_rcv_skb+0x130/0x360 [ 3492.607899][ T7704] netlink_unicast+0x449/0x710 [ 3492.607899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3492.607899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3492.607899][ T7704] ___sys_sendmsg+0xee/0x170 [ 3492.607899][ T7704] __sys_sendmsg+0xcd/0x170 [ 3492.607899][ T7704] do_syscall_64+0xc6/0x1e0 [ 3492.607899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.607899][ T7704] [ 3502.846960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3502.847482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3502.847482][ T7704] netdev_get_by_index+0x5e/0x80 [ 3502.847482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3502.847482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3502.847482][ T7704] ip6_route_add+0x1c/0x140 [ 3502.847482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3502.847482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3502.847482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.847482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.847482][ T7704] netlink_rcv_skb+0x130/0x360 [ 3502.847482][ T7704] netlink_unicast+0x449/0x710 [ 3502.847482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3502.847482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3502.847482][ T7704] ___sys_sendmsg+0xee/0x170 [ 3502.847482][ T7704] __sys_sendmsg+0xcd/0x170 [ 3502.847482][ T7704] do_syscall_64+0xc6/0x1e0 [ 3502.847482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.847482][ T7704] [ 3502.849749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3502.849749][ T7704] netdev_get_by_index+0x5e/0x80 [ 3502.849749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3502.849749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3502.849749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3502.849749][ T7704] ipv6_add_addr+0x411/0x2000 [ 3502.849749][ T7704] inet6_addr_add+0x30e/0xa40 [ 3502.849749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.849749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.849749][ T7704] netlink_rcv_skb+0x130/0x360 [ 3502.849749][ T7704] netlink_unicast+0x449/0x710 [ 3502.849749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3502.849749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3502.849749][ T7704] ___sys_sendmsg+0xee/0x170 [ 3502.849749][ T7704] __sys_sendmsg+0xcd/0x170 [ 3502.849749][ T7704] do_syscall_64+0xc6/0x1e0 [ 3502.849749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.849749][ T7704] [ 3502.851986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3502.851986][ T7704] netdev_get_by_index+0x5e/0x80 [ 3502.851986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3502.851986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3502.851986][ T7704] ip6_route_add+0x1c/0x140 [ 3502.851986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3502.851986][ T7704] addrconf_add_dev+0xe2/0x170 [ 3502.851986][ T7704] inet6_addr_add+0x12f/0xa40 [ 3502.851986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.851986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.851986][ T7704] netlink_rcv_skb+0x130/0x360 [ 3502.851986][ T7704] netlink_unicast+0x449/0x710 [ 3502.851986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3502.851986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3502.851986][ T7704] ___sys_sendmsg+0xee/0x170 [ 3502.851986][ T7704] __sys_sendmsg+0xcd/0x170 [ 3502.851986][ T7704] do_syscall_64+0xc6/0x1e0 [ 3502.851986][ T7704] [ 3502.854222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3502.854222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3502.854222][ T7704] ipv6_find_idev+0x102/0x170 [ 3502.854222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3502.854222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.854222][ T7704] netlink_rcv_skb+0x130/0x360 [ 3502.854222][ T7704] netlink_unicast+0x449/0x710 [ 3502.854222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3502.854222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3502.854222][ T7704] ___sys_sendmsg+0xee/0x170 [ 3502.854222][ T7704] __sys_sendmsg+0xcd/0x170 [ 3502.854222][ T7704] do_syscall_64+0xc6/0x1e0 [ 3502.854222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.854222][ T7704] [ 3502.856083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3502.856083][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3502.856083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3502.856083][ T7704] ipv6_find_idev+0x102/0x170 [ 3502.856083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3502.856083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.856083][ T7704] netlink_rcv_skb+0x130/0x360 [ 3502.856083][ T7704] netlink_unicast+0x449/0x710 [ 3502.856083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3502.856083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3502.856083][ T7704] ___sys_sendmsg+0xee/0x170 [ 3502.856083][ T7704] __sys_sendmsg+0xcd/0x170 [ 3502.856083][ T7704] do_syscall_64+0xc6/0x1e0 [ 3502.856083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.856083][ T7704] [ 3513.095005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3513.095536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3513.095536][ T7704] netdev_get_by_index+0x5e/0x80 [ 3513.095536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3513.095536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3513.095536][ T7704] ip6_route_add+0x1c/0x140 [ 3513.095536][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3513.095536][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3513.095536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3513.095536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3513.095536][ T7704] netlink_rcv_skb+0x130/0x360 [ 3513.095536][ T7704] netlink_unicast+0x449/0x710 [ 3513.095536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3513.095536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3513.095536][ T7704] ___sys_sendmsg+0xee/0x170 [ 3513.095536][ T7704] __sys_sendmsg+0xcd/0x170 [ 3513.095536][ T7704] do_syscall_64+0xc6/0x1e0 [ 3513.095536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3513.095536][ T7704] [ 3513.098287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3513.098287][ T7704] netdev_get_by_index+0x5e/0x80 [ 3513.098287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3513.098287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3513.098287][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3513.098287][ T7704] ipv6_add_addr+0x411/0x2000 [ 3513.098287][ T7704] inet6_addr_add+0x30e/0xa40 [ 3513.098287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3513.098287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3513.098287][ T7704] netlink_rcv_skb+0x130/0x360 [ 3513.098287][ T7704] netlink_unicast+0x449/0x710 [ 3513.098287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3513.098287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3513.098287][ T7704] ___sys_sendmsg+0xee/0x170 [ 3513.098287][ T7704] __sys_sendmsg+0xcd/0x170 [ 3513.098287][ T7704] do_syscall_64+0xc6/0x1e0 [ 3513.098287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3513.098287][ T7704] [ 3513.101127][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3513.101127][ T7704] netdev_get_by_index+0x5e/0x80 [ 3513.101127][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3513.101127][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3513.101127][ T7704] ip6_route_add+0x1c/0x140 [ 3513.101127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3513.101127][ T7704] addrconf_add_dev+0xe2/0x170 [ 3513.101127][ T7704] inet6_addr_add+0x12f/0xa40 [ 3513.101127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3513.101127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3513.101127][ T7704] netlink_rcv_skb+0x130/0x360 [ 3513.101127][ T7704] netlink_unicast+0x449/0x710 [ 3513.101127][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3513.101127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3513.101127][ T7704] ___sys_sendmsg+0xee/0x170 [ 3513.101127][ T7704] __sys_sendmsg+0xcd/0x170 [ 3513.101127][ T7704] do_syscall_64+0xc6/0x1e0 [ 3513.101127][ T7704] [ 3513.103945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3513.103945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3513.103945][ T7704] ipv6_find_idev+0x102/0x170 [ 3513.103945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3513.103945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3513.103945][ T7704] netlink_rcv_skb+0x130/0x360 [ 3513.103945][ T7704] netlink_unicast+0x449/0x710 [ 3513.103945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3513.103945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3513.103945][ T7704] ___sys_sendmsg+0xee/0x170 [ 3513.103945][ T7704] __sys_sendmsg+0xcd/0x170 [ 3513.103945][ T7704] do_syscall_64+0xc6/0x1e0 [ 3513.103945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3513.103945][ T7704] [ 3513.106125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3513.106125][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3513.106125][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3513.106125][ T7704] ipv6_find_idev+0x102/0x170 [ 3513.106125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3513.106125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3513.106125][ T7704] netlink_rcv_skb+0x130/0x360 [ 3513.106125][ T7704] netlink_unicast+0x449/0x710 [ 3513.106125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3513.106125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3513.106125][ T7704] ___sys_sendmsg+0xee/0x170 [ 3513.106125][ T7704] __sys_sendmsg+0xcd/0x170 [ 3513.106125][ T7704] do_syscall_64+0xc6/0x1e0 [ 3513.106125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3513.106125][ T7704] [ 3523.350970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3523.351545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3523.351545][ T7704] netdev_get_by_index+0x5e/0x80 [ 3523.351545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3523.351545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3523.351545][ T7704] ip6_route_add+0x1c/0x140 [ 3523.351545][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3523.351545][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3523.351545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3523.351545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3523.351545][ T7704] netlink_rcv_skb+0x130/0x360 [ 3523.351545][ T7704] netlink_unicast+0x449/0x710 [ 3523.351545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3523.351545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3523.351545][ T7704] ___sys_sendmsg+0xee/0x170 [ 3523.351545][ T7704] __sys_sendmsg+0xcd/0x170 [ 3523.351545][ T7704] do_syscall_64+0xc6/0x1e0 [ 3523.351545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3523.351545][ T7704] [ 3523.353870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3523.353870][ T7704] netdev_get_by_index+0x5e/0x80 [ 3523.353870][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3523.353870][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3523.353870][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3523.353870][ T7704] ipv6_add_addr+0x411/0x2000 [ 3523.353870][ T7704] inet6_addr_add+0x30e/0xa40 [ 3523.353870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3523.353870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3523.353870][ T7704] netlink_rcv_skb+0x130/0x360 [ 3523.353870][ T7704] netlink_unicast+0x449/0x710 [ 3523.353870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3523.353870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3523.353870][ T7704] ___sys_sendmsg+0xee/0x170 [ 3523.353870][ T7704] __sys_sendmsg+0xcd/0x170 [ 3523.353870][ T7704] do_syscall_64+0xc6/0x1e0 [ 3523.353870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3523.353870][ T7704] [ 3523.356162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3523.356162][ T7704] netdev_get_by_index+0x5e/0x80 [ 3523.356162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3523.356162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3523.356162][ T7704] ip6_route_add+0x1c/0x140 [ 3523.356162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3523.356162][ T7704] addrconf_add_dev+0xe2/0x170 [ 3523.356162][ T7704] inet6_addr_add+0x12f/0xa40 [ 3523.356162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3523.356162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3523.356162][ T7704] netlink_rcv_skb+0x130/0x360 [ 3523.356162][ T7704] netlink_unicast+0x449/0x710 [ 3523.356162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3523.356162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3523.356162][ T7704] ___sys_sendmsg+0xee/0x170 [ 3523.356162][ T7704] __sys_sendmsg+0xcd/0x170 [ 3523.356162][ T7704] do_syscall_64+0xc6/0x1e0 [ 3523.356162][ T7704] [ 3523.358785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3523.358785][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3523.358785][ T7704] ipv6_find_idev+0x102/0x170 [ 3523.358785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3523.358785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3523.358785][ T7704] netlink_rcv_skb+0x130/0x360 [ 3523.358785][ T7704] netlink_unicast+0x449/0x710 [ 3523.358785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3523.358785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3523.358785][ T7704] ___sys_sendmsg+0xee/0x170 [ 3523.358785][ T7704] __sys_sendmsg+0xcd/0x170 [ 3523.358785][ T7704] do_syscall_64+0xc6/0x1e0 [ 3523.358785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3523.358785][ T7704] [ 3523.360985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3523.360985][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3523.360985][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3523.360985][ T7704] ipv6_find_idev+0x102/0x170 [ 3523.360985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3523.360985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3523.360985][ T7704] netlink_rcv_skb+0x130/0x360 [ 3523.360985][ T7704] netlink_unicast+0x449/0x710 [ 3523.360985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3523.360985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3523.360985][ T7704] ___sys_sendmsg+0xee/0x170 [ 3523.360985][ T7704] __sys_sendmsg+0xcd/0x170 [ 3523.360985][ T7704] do_syscall_64+0xc6/0x1e0 [ 3523.360985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3523.360985][ T7704] [ 3533.382977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3533.383525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3533.383525][ T7704] netdev_get_by_index+0x5e/0x80 [ 3533.383525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3533.383525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3533.383525][ T7704] ip6_route_add+0x1c/0x140 [ 3533.383525][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3533.383525][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3533.383525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.383525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.383525][ T7704] netlink_rcv_skb+0x130/0x360 [ 3533.383525][ T7704] netlink_unicast+0x449/0x710 [ 3533.383525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3533.383525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3533.383525][ T7704] ___sys_sendmsg+0xee/0x170 [ 3533.383525][ T7704] __sys_sendmsg+0xcd/0x170 [ 3533.383525][ T7704] do_syscall_64+0xc6/0x1e0 [ 3533.383525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.383525][ T7704] [ 3533.385857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3533.385857][ T7704] netdev_get_by_index+0x5e/0x80 [ 3533.385857][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3533.385857][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3533.385857][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3533.385857][ T7704] ipv6_add_addr+0x411/0x2000 [ 3533.385857][ T7704] inet6_addr_add+0x30e/0xa40 [ 3533.385857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.385857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.385857][ T7704] netlink_rcv_skb+0x130/0x360 [ 3533.385857][ T7704] netlink_unicast+0x449/0x710 [ 3533.385857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3533.385857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3533.385857][ T7704] ___sys_sendmsg+0xee/0x170 [ 3533.385857][ T7704] __sys_sendmsg+0xcd/0x170 [ 3533.385857][ T7704] do_syscall_64+0xc6/0x1e0 [ 3533.385857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.385857][ T7704] [ 3533.388138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3533.388138][ T7704] netdev_get_by_index+0x5e/0x80 [ 3533.388138][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3533.388138][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3533.388138][ T7704] ip6_route_add+0x1c/0x140 [ 3533.388138][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3533.388138][ T7704] addrconf_add_dev+0xe2/0x170 [ 3533.388138][ T7704] inet6_addr_add+0x12f/0xa40 [ 3533.388138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.388138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.388138][ T7704] netlink_rcv_skb+0x130/0x360 [ 3533.388138][ T7704] netlink_unicast+0x449/0x710 [ 3533.388138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3533.388138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3533.388138][ T7704] ___sys_sendmsg+0xee/0x170 [ 3533.388138][ T7704] __sys_sendmsg+0xcd/0x170 [ 3533.388138][ T7704] do_syscall_64+0xc6/0x1e0 [ 3533.388138][ T7704] [ 3533.390376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3533.390376][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3533.390376][ T7704] ipv6_find_idev+0x102/0x170 [ 3533.390376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3533.390376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.390376][ T7704] netlink_rcv_skb+0x130/0x360 [ 3533.390376][ T7704] netlink_unicast+0x449/0x710 [ 3533.390376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3533.390376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3533.390376][ T7704] ___sys_sendmsg+0xee/0x170 [ 3533.390376][ T7704] __sys_sendmsg+0xcd/0x170 [ 3533.390376][ T7704] do_syscall_64+0xc6/0x1e0 [ 3533.390376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.390376][ T7704] [ 3533.392125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3533.392125][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3533.392125][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3533.392125][ T7704] ipv6_find_idev+0x102/0x170 [ 3533.392125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3533.392125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.392125][ T7704] netlink_rcv_skb+0x130/0x360 [ 3533.392125][ T7704] netlink_unicast+0x449/0x710 [ 3533.392125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3533.392125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3533.392125][ T7704] ___sys_sendmsg+0xee/0x170 [ 3533.392125][ T7704] __sys_sendmsg+0xcd/0x170 [ 3533.392125][ T7704] do_syscall_64+0xc6/0x1e0 [ 3533.392125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.392125][ T7704] [ 3543.638951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3543.639488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3543.639488][ T7704] netdev_get_by_index+0x5e/0x80 [ 3543.639488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3543.639488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3543.639488][ T7704] ip6_route_add+0x1c/0x140 [ 3543.639488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3543.639488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3543.639488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.639488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.639488][ T7704] netlink_rcv_skb+0x130/0x360 [ 3543.639488][ T7704] netlink_unicast+0x449/0x710 [ 3543.639488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3543.639488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3543.639488][ T7704] ___sys_sendmsg+0xee/0x170 [ 3543.639488][ T7704] __sys_sendmsg+0xcd/0x170 [ 3543.639488][ T7704] do_syscall_64+0xc6/0x1e0 [ 3543.639488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.639488][ T7704] [ 3543.641850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3543.641850][ T7704] netdev_get_by_index+0x5e/0x80 [ 3543.641850][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3543.641850][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3543.641850][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3543.641850][ T7704] ipv6_add_addr+0x411/0x2000 [ 3543.641850][ T7704] inet6_addr_add+0x30e/0xa40 [ 3543.641850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.641850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.641850][ T7704] netlink_rcv_skb+0x130/0x360 [ 3543.641850][ T7704] netlink_unicast+0x449/0x710 [ 3543.641850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3543.641850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3543.641850][ T7704] ___sys_sendmsg+0xee/0x170 [ 3543.641850][ T7704] __sys_sendmsg+0xcd/0x170 [ 3543.641850][ T7704] do_syscall_64+0xc6/0x1e0 [ 3543.641850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.641850][ T7704] [ 3543.644156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3543.644156][ T7704] netdev_get_by_index+0x5e/0x80 [ 3543.644156][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3543.644156][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3543.644156][ T7704] ip6_route_add+0x1c/0x140 [ 3543.644156][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3543.644156][ T7704] addrconf_add_dev+0xe2/0x170 [ 3543.644156][ T7704] inet6_addr_add+0x12f/0xa40 [ 3543.644156][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.644156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.644156][ T7704] netlink_rcv_skb+0x130/0x360 [ 3543.644156][ T7704] netlink_unicast+0x449/0x710 [ 3543.644156][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3543.644156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3543.644156][ T7704] ___sys_sendmsg+0xee/0x170 [ 3543.644156][ T7704] __sys_sendmsg+0xcd/0x170 [ 3543.644156][ T7704] do_syscall_64+0xc6/0x1e0 [ 3543.644156][ T7704] [ 3543.646405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3543.646405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3543.646405][ T7704] ipv6_find_idev+0x102/0x170 [ 3543.646405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3543.646405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.646405][ T7704] netlink_rcv_skb+0x130/0x360 [ 3543.646405][ T7704] netlink_unicast+0x449/0x710 [ 3543.646405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3543.646405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3543.646405][ T7704] ___sys_sendmsg+0xee/0x170 [ 3543.646405][ T7704] __sys_sendmsg+0xcd/0x170 [ 3543.646405][ T7704] do_syscall_64+0xc6/0x1e0 [ 3543.646405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.646405][ T7704] [ 3543.648164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3543.648164][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3543.648164][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3543.648164][ T7704] ipv6_find_idev+0x102/0x170 [ 3543.648164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3543.648164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.648164][ T7704] netlink_rcv_skb+0x130/0x360 [ 3543.648164][ T7704] netlink_unicast+0x449/0x710 [ 3543.648164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3543.648164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3543.648164][ T7704] ___sys_sendmsg+0xee/0x170 [ 3543.648164][ T7704] __sys_sendmsg+0xcd/0x170 [ 3543.648164][ T7704] do_syscall_64+0xc6/0x1e0 [ 3543.648164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.648164][ T7704] [ 3553.902989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3553.903583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3553.903583][ T7704] netdev_get_by_index+0x5e/0x80 [ 3553.903583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3553.903583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3553.903583][ T7704] ip6_route_add+0x1c/0x140 [ 3553.903583][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3553.903583][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3553.903583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.903583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.903583][ T7704] netlink_rcv_skb+0x130/0x360 [ 3553.903583][ T7704] netlink_unicast+0x449/0x710 [ 3553.903583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3553.903583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3553.903583][ T7704] ___sys_sendmsg+0xee/0x170 [ 3553.903583][ T7704] __sys_sendmsg+0xcd/0x170 [ 3553.903583][ T7704] do_syscall_64+0xc6/0x1e0 [ 3553.903583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.903583][ T7704] [ 3553.905941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3553.905941][ T7704] netdev_get_by_index+0x5e/0x80 [ 3553.905941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3553.905941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3553.905941][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3553.905941][ T7704] ipv6_add_addr+0x411/0x2000 [ 3553.905941][ T7704] inet6_addr_add+0x30e/0xa40 [ 3553.905941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.905941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.905941][ T7704] netlink_rcv_skb+0x130/0x360 [ 3553.905941][ T7704] netlink_unicast+0x449/0x710 [ 3553.905941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3553.905941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3553.905941][ T7704] ___sys_sendmsg+0xee/0x170 [ 3553.905941][ T7704] __sys_sendmsg+0xcd/0x170 [ 3553.905941][ T7704] do_syscall_64+0xc6/0x1e0 [ 3553.905941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.905941][ T7704] [ 3553.908242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3553.908242][ T7704] netdev_get_by_index+0x5e/0x80 [ 3553.908242][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3553.908242][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3553.908242][ T7704] ip6_route_add+0x1c/0x140 [ 3553.908242][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3553.908242][ T7704] addrconf_add_dev+0xe2/0x170 [ 3553.908242][ T7704] inet6_addr_add+0x12f/0xa40 [ 3553.908242][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.908242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.908242][ T7704] netlink_rcv_skb+0x130/0x360 [ 3553.908242][ T7704] netlink_unicast+0x449/0x710 [ 3553.908242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3553.908242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3553.908242][ T7704] ___sys_sendmsg+0xee/0x170 [ 3553.908242][ T7704] __sys_sendmsg+0xcd/0x170 [ 3553.908242][ T7704] do_syscall_64+0xc6/0x1e0 [ 3553.908242][ T7704] [ 3553.910491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3553.910491][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3553.910491][ T7704] ipv6_find_idev+0x102/0x170 [ 3553.910491][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.910491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.910491][ T7704] netlink_rcv_skb+0x130/0x360 [ 3553.910491][ T7704] netlink_unicast+0x449/0x710 [ 3553.910491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3553.910491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3553.910491][ T7704] ___sys_sendmsg+0xee/0x170 [ 3553.910491][ T7704] __sys_sendmsg+0xcd/0x170 [ 3553.910491][ T7704] do_syscall_64+0xc6/0x1e0 [ 3553.910491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.910491][ T7704] [ 3553.912245][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3553.912245][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3553.912245][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3553.912245][ T7704] ipv6_find_idev+0x102/0x170 [ 3553.912245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.912245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.912245][ T7704] netlink_rcv_skb+0x130/0x360 [ 3553.912245][ T7704] netlink_unicast+0x449/0x710 [ 3553.912245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3553.912245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3553.912245][ T7704] ___sys_sendmsg+0xee/0x170 [ 3553.912245][ T7704] __sys_sendmsg+0xcd/0x170 [ 3553.912245][ T7704] do_syscall_64+0xc6/0x1e0 [ 3553.912245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.912245][ T7704] [ 3564.167053][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3564.167616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3564.167616][ T7704] netdev_get_by_index+0x5e/0x80 [ 3564.167616][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3564.167616][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3564.167616][ T7704] ip6_route_add+0x1c/0x140 [ 3564.167616][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3564.167616][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3564.167616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3564.167616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3564.167616][ T7704] netlink_rcv_skb+0x130/0x360 [ 3564.167616][ T7704] netlink_unicast+0x449/0x710 [ 3564.167616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3564.167616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3564.167616][ T7704] ___sys_sendmsg+0xee/0x170 [ 3564.167616][ T7704] __sys_sendmsg+0xcd/0x170 [ 3564.167616][ T7704] do_syscall_64+0xc6/0x1e0 [ 3564.167616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3564.167616][ T7704] [ 3564.169867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3564.169867][ T7704] netdev_get_by_index+0x5e/0x80 [ 3564.169867][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3564.169867][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3564.169867][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3564.169867][ T7704] ipv6_add_addr+0x411/0x2000 [ 3564.169867][ T7704] inet6_addr_add+0x30e/0xa40 [ 3564.169867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3564.169867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3564.169867][ T7704] netlink_rcv_skb+0x130/0x360 [ 3564.169867][ T7704] netlink_unicast+0x449/0x710 [ 3564.169867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3564.169867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3564.169867][ T7704] ___sys_sendmsg+0xee/0x170 [ 3564.169867][ T7704] __sys_sendmsg+0xcd/0x170 [ 3564.169867][ T7704] do_syscall_64+0xc6/0x1e0 [ 3564.169867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3564.169867][ T7704] [ 3564.172131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3564.172131][ T7704] netdev_get_by_index+0x5e/0x80 [ 3564.172131][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3564.172131][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3564.172131][ T7704] ip6_route_add+0x1c/0x140 [ 3564.172131][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3564.172131][ T7704] addrconf_add_dev+0xe2/0x170 [ 3564.172131][ T7704] inet6_addr_add+0x12f/0xa40 [ 3564.172131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3564.172131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3564.172131][ T7704] netlink_rcv_skb+0x130/0x360 [ 3564.172131][ T7704] netlink_unicast+0x449/0x710 [ 3564.172131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3564.172131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3564.172131][ T7704] ___sys_sendmsg+0xee/0x170 [ 3564.172131][ T7704] __sys_sendmsg+0xcd/0x170 [ 3564.172131][ T7704] do_syscall_64+0xc6/0x1e0 [ 3564.172131][ T7704] [ 3564.174346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3564.174346][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3564.174346][ T7704] ipv6_find_idev+0x102/0x170 [ 3564.174346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3564.174346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3564.174346][ T7704] netlink_rcv_skb+0x130/0x360 [ 3564.174346][ T7704] netlink_unicast+0x449/0x710 [ 3564.174346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3564.174346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3564.174346][ T7704] ___sys_sendmsg+0xee/0x170 [ 3564.174346][ T7704] __sys_sendmsg+0xcd/0x170 [ 3564.174346][ T7704] do_syscall_64+0xc6/0x1e0 [ 3564.174346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3564.174346][ T7704] [ 3564.176067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3564.176067][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3564.176067][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3564.176067][ T7704] ipv6_find_idev+0x102/0x170 [ 3564.176067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3564.176067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3564.176067][ T7704] netlink_rcv_skb+0x130/0x360 [ 3564.176067][ T7704] netlink_unicast+0x449/0x710 [ 3564.176067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3564.176067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3564.176067][ T7704] ___sys_sendmsg+0xee/0x170 [ 3564.176067][ T7704] __sys_sendmsg+0xcd/0x170 [ 3564.176067][ T7704] do_syscall_64+0xc6/0x1e0 [ 3564.176067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3564.176067][ T7704] [ 3574.422957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3574.423493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3574.423493][ T7704] netdev_get_by_index+0x5e/0x80 [ 3574.423493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3574.423493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3574.423493][ T7704] ip6_route_add+0x1c/0x140 [ 3574.423493][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3574.423493][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3574.423493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.423493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.423493][ T7704] netlink_rcv_skb+0x130/0x360 [ 3574.423493][ T7704] netlink_unicast+0x449/0x710 [ 3574.423493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3574.423493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3574.423493][ T7704] ___sys_sendmsg+0xee/0x170 [ 3574.423493][ T7704] __sys_sendmsg+0xcd/0x170 [ 3574.423493][ T7704] do_syscall_64+0xc6/0x1e0 [ 3574.423493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.423493][ T7704] [ 3574.425773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3574.425773][ T7704] netdev_get_by_index+0x5e/0x80 [ 3574.425773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3574.425773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3574.425773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3574.425773][ T7704] ipv6_add_addr+0x411/0x2000 [ 3574.425773][ T7704] inet6_addr_add+0x30e/0xa40 [ 3574.425773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.425773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.425773][ T7704] netlink_rcv_skb+0x130/0x360 [ 3574.425773][ T7704] netlink_unicast+0x449/0x710 [ 3574.425773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3574.425773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3574.425773][ T7704] ___sys_sendmsg+0xee/0x170 [ 3574.425773][ T7704] __sys_sendmsg+0xcd/0x170 [ 3574.425773][ T7704] do_syscall_64+0xc6/0x1e0 [ 3574.425773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.425773][ T7704] [ 3574.428017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3574.428017][ T7704] netdev_get_by_index+0x5e/0x80 [ 3574.428017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3574.428017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3574.428017][ T7704] ip6_route_add+0x1c/0x140 [ 3574.428017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3574.428017][ T7704] addrconf_add_dev+0xe2/0x170 [ 3574.428017][ T7704] inet6_addr_add+0x12f/0xa40 [ 3574.428017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.428017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.428017][ T7704] netlink_rcv_skb+0x130/0x360 [ 3574.428017][ T7704] netlink_unicast+0x449/0x710 [ 3574.428017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3574.428017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3574.428017][ T7704] ___sys_sendmsg+0xee/0x170 [ 3574.428017][ T7704] __sys_sendmsg+0xcd/0x170 [ 3574.428017][ T7704] do_syscall_64+0xc6/0x1e0 [ 3574.428017][ T7704] [ 3574.430222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3574.430222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3574.430222][ T7704] ipv6_find_idev+0x102/0x170 [ 3574.430222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3574.430222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.430222][ T7704] netlink_rcv_skb+0x130/0x360 [ 3574.430222][ T7704] netlink_unicast+0x449/0x710 [ 3574.430222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3574.430222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3574.430222][ T7704] ___sys_sendmsg+0xee/0x170 [ 3574.430222][ T7704] __sys_sendmsg+0xcd/0x170 [ 3574.430222][ T7704] do_syscall_64+0xc6/0x1e0 [ 3574.430222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.430222][ T7704] [ 3574.431946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3574.431946][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3574.431946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3574.431946][ T7704] ipv6_find_idev+0x102/0x170 [ 3574.431946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3574.431946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.431946][ T7704] netlink_rcv_skb+0x130/0x360 [ 3574.431946][ T7704] netlink_unicast+0x449/0x710 [ 3574.431946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3574.431946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3574.431946][ T7704] ___sys_sendmsg+0xee/0x170 [ 3574.431946][ T7704] __sys_sendmsg+0xcd/0x170 [ 3574.431946][ T7704] do_syscall_64+0xc6/0x1e0 [ 3574.431946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.431946][ T7704] [ 3584.679037][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3584.679551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3584.679551][ T7704] netdev_get_by_index+0x5e/0x80 [ 3584.679551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3584.679551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3584.679551][ T7704] ip6_route_add+0x1c/0x140 [ 3584.679551][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3584.679551][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3584.679551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.679551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.679551][ T7704] netlink_rcv_skb+0x130/0x360 [ 3584.679551][ T7704] netlink_unicast+0x449/0x710 [ 3584.679551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3584.679551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3584.679551][ T7704] ___sys_sendmsg+0xee/0x170 [ 3584.679551][ T7704] __sys_sendmsg+0xcd/0x170 [ 3584.679551][ T7704] do_syscall_64+0xc6/0x1e0 [ 3584.679551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.679551][ T7704] [ 3584.681839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3584.681839][ T7704] netdev_get_by_index+0x5e/0x80 [ 3584.681839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3584.681839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3584.681839][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3584.681839][ T7704] ipv6_add_addr+0x411/0x2000 [ 3584.681839][ T7704] inet6_addr_add+0x30e/0xa40 [ 3584.681839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.681839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.681839][ T7704] netlink_rcv_skb+0x130/0x360 [ 3584.681839][ T7704] netlink_unicast+0x449/0x710 [ 3584.681839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3584.681839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3584.681839][ T7704] ___sys_sendmsg+0xee/0x170 [ 3584.681839][ T7704] __sys_sendmsg+0xcd/0x170 [ 3584.681839][ T7704] do_syscall_64+0xc6/0x1e0 [ 3584.681839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.681839][ T7704] [ 3584.684092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3584.684092][ T7704] netdev_get_by_index+0x5e/0x80 [ 3584.684092][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3584.684092][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3584.684092][ T7704] ip6_route_add+0x1c/0x140 [ 3584.684092][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3584.684092][ T7704] addrconf_add_dev+0xe2/0x170 [ 3584.684092][ T7704] inet6_addr_add+0x12f/0xa40 [ 3584.684092][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.684092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.684092][ T7704] netlink_rcv_skb+0x130/0x360 [ 3584.684092][ T7704] netlink_unicast+0x449/0x710 [ 3584.684092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3584.684092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3584.684092][ T7704] ___sys_sendmsg+0xee/0x170 [ 3584.684092][ T7704] __sys_sendmsg+0xcd/0x170 [ 3584.684092][ T7704] do_syscall_64+0xc6/0x1e0 [ 3584.684092][ T7704] [ 3584.686314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3584.686314][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3584.686314][ T7704] ipv6_find_idev+0x102/0x170 [ 3584.686314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3584.686314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.686314][ T7704] netlink_rcv_skb+0x130/0x360 [ 3584.686314][ T7704] netlink_unicast+0x449/0x710 [ 3584.686314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3584.686314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3584.686314][ T7704] ___sys_sendmsg+0xee/0x170 [ 3584.686314][ T7704] __sys_sendmsg+0xcd/0x170 [ 3584.686314][ T7704] do_syscall_64+0xc6/0x1e0 [ 3584.686314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.686314][ T7704] [ 3584.688052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3584.688052][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3584.688052][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3584.688052][ T7704] ipv6_find_idev+0x102/0x170 [ 3584.688052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3584.688052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.688052][ T7704] netlink_rcv_skb+0x130/0x360 [ 3584.688052][ T7704] netlink_unicast+0x449/0x710 [ 3584.688052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3584.688052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3584.688052][ T7704] ___sys_sendmsg+0xee/0x170 [ 3584.688052][ T7704] __sys_sendmsg+0xcd/0x170 [ 3584.688052][ T7704] do_syscall_64+0xc6/0x1e0 [ 3584.688052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.688052][ T7704] [ 3594.815039][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3594.815618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3594.815618][ T7704] netdev_get_by_index+0x5e/0x80 [ 3594.815618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3594.815618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3594.815618][ T7704] ip6_route_add+0x1c/0x140 [ 3594.815618][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3594.815618][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3594.815618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.815618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.815618][ T7704] netlink_rcv_skb+0x130/0x360 [ 3594.815618][ T7704] netlink_unicast+0x449/0x710 [ 3594.815618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3594.815618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3594.815618][ T7704] ___sys_sendmsg+0xee/0x170 [ 3594.815618][ T7704] __sys_sendmsg+0xcd/0x170 [ 3594.815618][ T7704] do_syscall_64+0xc6/0x1e0 [ 3594.815618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.815618][ T7704] [ 3594.817899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3594.817899][ T7704] netdev_get_by_index+0x5e/0x80 [ 3594.817899][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3594.817899][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3594.817899][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3594.817899][ T7704] ipv6_add_addr+0x411/0x2000 [ 3594.817899][ T7704] inet6_addr_add+0x30e/0xa40 [ 3594.817899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.817899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.817899][ T7704] netlink_rcv_skb+0x130/0x360 [ 3594.817899][ T7704] netlink_unicast+0x449/0x710 [ 3594.817899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3594.817899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3594.817899][ T7704] ___sys_sendmsg+0xee/0x170 [ 3594.817899][ T7704] __sys_sendmsg+0xcd/0x170 [ 3594.817899][ T7704] do_syscall_64+0xc6/0x1e0 [ 3594.817899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.817899][ T7704] [ 3594.820170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3594.820170][ T7704] netdev_get_by_index+0x5e/0x80 [ 3594.820170][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3594.820170][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3594.820170][ T7704] ip6_route_add+0x1c/0x140 [ 3594.820170][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3594.820170][ T7704] addrconf_add_dev+0xe2/0x170 [ 3594.820170][ T7704] inet6_addr_add+0x12f/0xa40 [ 3594.820170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.820170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.820170][ T7704] netlink_rcv_skb+0x130/0x360 [ 3594.820170][ T7704] netlink_unicast+0x449/0x710 [ 3594.820170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3594.820170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3594.820170][ T7704] ___sys_sendmsg+0xee/0x170 [ 3594.820170][ T7704] __sys_sendmsg+0xcd/0x170 [ 3594.820170][ T7704] do_syscall_64+0xc6/0x1e0 [ 3594.820170][ T7704] [ 3594.822392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3594.822392][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3594.822392][ T7704] ipv6_find_idev+0x102/0x170 [ 3594.822392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.822392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.822392][ T7704] netlink_rcv_skb+0x130/0x360 [ 3594.822392][ T7704] netlink_unicast+0x449/0x710 [ 3594.822392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3594.822392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3594.822392][ T7704] ___sys_sendmsg+0xee/0x170 [ 3594.822392][ T7704] __sys_sendmsg+0xcd/0x170 [ 3594.822392][ T7704] do_syscall_64+0xc6/0x1e0 [ 3594.822392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.822392][ T7704] [ 3594.824158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3594.824158][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3594.824158][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3594.824158][ T7704] ipv6_find_idev+0x102/0x170 [ 3594.824158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.824158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.824158][ T7704] netlink_rcv_skb+0x130/0x360 [ 3594.824158][ T7704] netlink_unicast+0x449/0x710 [ 3594.824158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3594.824158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3594.824158][ T7704] ___sys_sendmsg+0xee/0x170 [ 3594.824158][ T7704] __sys_sendmsg+0xcd/0x170 [ 3594.824158][ T7704] do_syscall_64+0xc6/0x1e0 [ 3594.824158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.824158][ T7704] [ 3605.062958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3605.063496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3605.063496][ T7704] netdev_get_by_index+0x5e/0x80 [ 3605.063496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3605.063496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3605.063496][ T7704] ip6_route_add+0x1c/0x140 [ 3605.063496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3605.063496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3605.063496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3605.063496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3605.063496][ T7704] netlink_rcv_skb+0x130/0x360 [ 3605.063496][ T7704] netlink_unicast+0x449/0x710 [ 3605.063496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3605.063496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3605.063496][ T7704] ___sys_sendmsg+0xee/0x170 [ 3605.063496][ T7704] __sys_sendmsg+0xcd/0x170 [ 3605.063496][ T7704] do_syscall_64+0xc6/0x1e0 [ 3605.063496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3605.063496][ T7704] [ 3605.065762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3605.065762][ T7704] netdev_get_by_index+0x5e/0x80 [ 3605.065762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3605.065762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3605.065762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3605.065762][ T7704] ipv6_add_addr+0x411/0x2000 [ 3605.065762][ T7704] inet6_addr_add+0x30e/0xa40 [ 3605.065762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3605.065762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3605.065762][ T7704] netlink_rcv_skb+0x130/0x360 [ 3605.065762][ T7704] netlink_unicast+0x449/0x710 [ 3605.065762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3605.065762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3605.065762][ T7704] ___sys_sendmsg+0xee/0x170 [ 3605.065762][ T7704] __sys_sendmsg+0xcd/0x170 [ 3605.065762][ T7704] do_syscall_64+0xc6/0x1e0 [ 3605.065762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3605.065762][ T7704] [ 3605.068021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3605.068021][ T7704] netdev_get_by_index+0x5e/0x80 [ 3605.068021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3605.068021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3605.068021][ T7704] ip6_route_add+0x1c/0x140 [ 3605.068021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3605.068021][ T7704] addrconf_add_dev+0xe2/0x170 [ 3605.068021][ T7704] inet6_addr_add+0x12f/0xa40 [ 3605.068021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3605.068021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3605.068021][ T7704] netlink_rcv_skb+0x130/0x360 [ 3605.068021][ T7704] netlink_unicast+0x449/0x710 [ 3605.068021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3605.068021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3605.068021][ T7704] ___sys_sendmsg+0xee/0x170 [ 3605.068021][ T7704] __sys_sendmsg+0xcd/0x170 [ 3605.068021][ T7704] do_syscall_64+0xc6/0x1e0 [ 3605.068021][ T7704] [ 3605.070244][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3605.070244][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3605.070244][ T7704] ipv6_find_idev+0x102/0x170 [ 3605.070244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3605.070244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3605.070244][ T7704] netlink_rcv_skb+0x130/0x360 [ 3605.070244][ T7704] netlink_unicast+0x449/0x710 [ 3605.070244][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3605.070244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3605.070244][ T7704] ___sys_sendmsg+0xee/0x170 [ 3605.070244][ T7704] __sys_sendmsg+0xcd/0x170 [ 3605.070244][ T7704] do_syscall_64+0xc6/0x1e0 [ 3605.070244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3605.070244][ T7704] [ 3605.072507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3605.072507][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3605.072507][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3605.072507][ T7704] ipv6_find_idev+0x102/0x170 [ 3605.072507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3605.072507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3605.072507][ T7704] netlink_rcv_skb+0x130/0x360 [ 3605.072507][ T7704] netlink_unicast+0x449/0x710 [ 3605.072507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3605.072507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3605.072507][ T7704] ___sys_sendmsg+0xee/0x170 [ 3605.072507][ T7704] __sys_sendmsg+0xcd/0x170 [ 3605.072507][ T7704] do_syscall_64+0xc6/0x1e0 [ 3605.072507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3605.072507][ T7704] [ 3615.319011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3615.319563][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3615.319563][ T7704] netdev_get_by_index+0x5e/0x80 [ 3615.319563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3615.319563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3615.319563][ T7704] ip6_route_add+0x1c/0x140 [ 3615.319563][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3615.319563][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3615.319563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.319563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.319563][ T7704] netlink_rcv_skb+0x130/0x360 [ 3615.319563][ T7704] netlink_unicast+0x449/0x710 [ 3615.319563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3615.319563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3615.319563][ T7704] ___sys_sendmsg+0xee/0x170 [ 3615.319563][ T7704] __sys_sendmsg+0xcd/0x170 [ 3615.319563][ T7704] do_syscall_64+0xc6/0x1e0 [ 3615.319563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.319563][ T7704] [ 3615.321812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3615.321812][ T7704] netdev_get_by_index+0x5e/0x80 [ 3615.321812][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3615.321812][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3615.321812][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3615.321812][ T7704] ipv6_add_addr+0x411/0x2000 [ 3615.321812][ T7704] inet6_addr_add+0x30e/0xa40 [ 3615.321812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.321812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.321812][ T7704] netlink_rcv_skb+0x130/0x360 [ 3615.321812][ T7704] netlink_unicast+0x449/0x710 [ 3615.321812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3615.321812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3615.321812][ T7704] ___sys_sendmsg+0xee/0x170 [ 3615.321812][ T7704] __sys_sendmsg+0xcd/0x170 [ 3615.321812][ T7704] do_syscall_64+0xc6/0x1e0 [ 3615.321812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.321812][ T7704] [ 3615.324056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3615.324056][ T7704] netdev_get_by_index+0x5e/0x80 [ 3615.324056][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3615.324056][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3615.324056][ T7704] ip6_route_add+0x1c/0x140 [ 3615.324056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3615.324056][ T7704] addrconf_add_dev+0xe2/0x170 [ 3615.324056][ T7704] inet6_addr_add+0x12f/0xa40 [ 3615.324056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.324056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.324056][ T7704] netlink_rcv_skb+0x130/0x360 [ 3615.324056][ T7704] netlink_unicast+0x449/0x710 [ 3615.324056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3615.324056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3615.324056][ T7704] ___sys_sendmsg+0xee/0x170 [ 3615.324056][ T7704] __sys_sendmsg+0xcd/0x170 [ 3615.324056][ T7704] do_syscall_64+0xc6/0x1e0 [ 3615.324056][ T7704] [ 3615.326241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3615.326241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3615.326241][ T7704] ipv6_find_idev+0x102/0x170 [ 3615.326241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3615.326241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.326241][ T7704] netlink_rcv_skb+0x130/0x360 [ 3615.326241][ T7704] netlink_unicast+0x449/0x710 [ 3615.326241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3615.326241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3615.326241][ T7704] ___sys_sendmsg+0xee/0x170 [ 3615.326241][ T7704] __sys_sendmsg+0xcd/0x170 [ 3615.326241][ T7704] do_syscall_64+0xc6/0x1e0 [ 3615.326241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.326241][ T7704] [ 3615.327946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3615.327946][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3615.327946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3615.327946][ T7704] ipv6_find_idev+0x102/0x170 [ 3615.327946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3615.327946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.327946][ T7704] netlink_rcv_skb+0x130/0x360 [ 3615.327946][ T7704] netlink_unicast+0x449/0x710 [ 3615.327946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3615.327946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3615.327946][ T7704] ___sys_sendmsg+0xee/0x170 [ 3615.327946][ T7704] __sys_sendmsg+0xcd/0x170 [ 3615.327946][ T7704] do_syscall_64+0xc6/0x1e0 [ 3615.327946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.327946][ T7704] [ 3625.839029][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3625.839583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3625.839583][ T7704] netdev_get_by_index+0x5e/0x80 [ 3625.839583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3625.839583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3625.839583][ T7704] ip6_route_add+0x1c/0x140 [ 3625.839583][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3625.839583][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3625.839583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.839583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.839583][ T7704] netlink_rcv_skb+0x130/0x360 [ 3625.839583][ T7704] netlink_unicast+0x449/0x710 [ 3625.839583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3625.839583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3625.839583][ T7704] ___sys_sendmsg+0xee/0x170 [ 3625.839583][ T7704] __sys_sendmsg+0xcd/0x170 [ 3625.839583][ T7704] do_syscall_64+0xc6/0x1e0 [ 3625.839583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.839583][ T7704] [ 3625.841828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3625.841828][ T7704] netdev_get_by_index+0x5e/0x80 [ 3625.841828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3625.841828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3625.841828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3625.841828][ T7704] ipv6_add_addr+0x411/0x2000 [ 3625.841828][ T7704] inet6_addr_add+0x30e/0xa40 [ 3625.841828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.841828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.841828][ T7704] netlink_rcv_skb+0x130/0x360 [ 3625.841828][ T7704] netlink_unicast+0x449/0x710 [ 3625.841828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3625.841828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3625.841828][ T7704] ___sys_sendmsg+0xee/0x170 [ 3625.841828][ T7704] __sys_sendmsg+0xcd/0x170 [ 3625.841828][ T7704] do_syscall_64+0xc6/0x1e0 [ 3625.841828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.841828][ T7704] [ 3625.844063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3625.844063][ T7704] netdev_get_by_index+0x5e/0x80 [ 3625.844063][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3625.844063][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3625.844063][ T7704] ip6_route_add+0x1c/0x140 [ 3625.844063][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3625.844063][ T7704] addrconf_add_dev+0xe2/0x170 [ 3625.844063][ T7704] inet6_addr_add+0x12f/0xa40 [ 3625.844063][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.844063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.844063][ T7704] netlink_rcv_skb+0x130/0x360 [ 3625.844063][ T7704] netlink_unicast+0x449/0x710 [ 3625.844063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3625.844063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3625.844063][ T7704] ___sys_sendmsg+0xee/0x170 [ 3625.844063][ T7704] __sys_sendmsg+0xcd/0x170 [ 3625.844063][ T7704] do_syscall_64+0xc6/0x1e0 [ 3625.844063][ T7704] [ 3625.846244][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3625.846244][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3625.846244][ T7704] ipv6_find_idev+0x102/0x170 [ 3625.846244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.846244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.846244][ T7704] netlink_rcv_skb+0x130/0x360 [ 3625.846244][ T7704] netlink_unicast+0x449/0x710 [ 3625.846244][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3625.846244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3625.846244][ T7704] ___sys_sendmsg+0xee/0x170 [ 3625.846244][ T7704] __sys_sendmsg+0xcd/0x170 [ 3625.846244][ T7704] do_syscall_64+0xc6/0x1e0 [ 3625.846244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.846244][ T7704] [ 3625.847960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3625.847960][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3625.847960][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3625.847960][ T7704] ipv6_find_idev+0x102/0x170 [ 3625.847960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.847960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.847960][ T7704] netlink_rcv_skb+0x130/0x360 [ 3625.847960][ T7704] netlink_unicast+0x449/0x710 [ 3625.847960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3625.847960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3625.847960][ T7704] ___sys_sendmsg+0xee/0x170 [ 3625.847960][ T7704] __sys_sendmsg+0xcd/0x170 [ 3625.847960][ T7704] do_syscall_64+0xc6/0x1e0 [ 3625.847960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.847960][ T7704] [ 3636.094925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3636.095455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3636.095455][ T7704] netdev_get_by_index+0x5e/0x80 [ 3636.095455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3636.095455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3636.095455][ T7704] ip6_route_add+0x1c/0x140 [ 3636.095455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3636.095455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3636.095455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3636.095455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3636.095455][ T7704] netlink_rcv_skb+0x130/0x360 [ 3636.095455][ T7704] netlink_unicast+0x449/0x710 [ 3636.095455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3636.095455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3636.095455][ T7704] ___sys_sendmsg+0xee/0x170 [ 3636.095455][ T7704] __sys_sendmsg+0xcd/0x170 [ 3636.095455][ T7704] do_syscall_64+0xc6/0x1e0 [ 3636.095455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3636.095455][ T7704] [ 3636.097743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3636.097743][ T7704] netdev_get_by_index+0x5e/0x80 [ 3636.097743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3636.097743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3636.097743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3636.097743][ T7704] ipv6_add_addr+0x411/0x2000 [ 3636.097743][ T7704] inet6_addr_add+0x30e/0xa40 [ 3636.097743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3636.097743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3636.097743][ T7704] netlink_rcv_skb+0x130/0x360 [ 3636.097743][ T7704] netlink_unicast+0x449/0x710 [ 3636.097743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3636.097743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3636.097743][ T7704] ___sys_sendmsg+0xee/0x170 [ 3636.097743][ T7704] __sys_sendmsg+0xcd/0x170 [ 3636.097743][ T7704] do_syscall_64+0xc6/0x1e0 [ 3636.097743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3636.097743][ T7704] [ 3636.099978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3636.099978][ T7704] netdev_get_by_index+0x5e/0x80 [ 3636.099978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3636.099978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3636.099978][ T7704] ip6_route_add+0x1c/0x140 [ 3636.099978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3636.099978][ T7704] addrconf_add_dev+0xe2/0x170 [ 3636.099978][ T7704] inet6_addr_add+0x12f/0xa40 [ 3636.099978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3636.099978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3636.099978][ T7704] netlink_rcv_skb+0x130/0x360 [ 3636.099978][ T7704] netlink_unicast+0x449/0x710 [ 3636.099978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3636.099978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3636.099978][ T7704] ___sys_sendmsg+0xee/0x170 [ 3636.099978][ T7704] __sys_sendmsg+0xcd/0x170 [ 3636.099978][ T7704] do_syscall_64+0xc6/0x1e0 [ 3636.099978][ T7704] [ 3636.102170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3636.102170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3636.102170][ T7704] ipv6_find_idev+0x102/0x170 [ 3636.102170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3636.102170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3636.102170][ T7704] netlink_rcv_skb+0x130/0x360 [ 3636.102170][ T7704] netlink_unicast+0x449/0x710 [ 3636.102170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3636.102170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3636.102170][ T7704] ___sys_sendmsg+0xee/0x170 [ 3636.102170][ T7704] __sys_sendmsg+0xcd/0x170 [ 3636.102170][ T7704] do_syscall_64+0xc6/0x1e0 [ 3636.102170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3636.102170][ T7704] [ 3636.103903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3636.103903][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3636.103903][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3636.103903][ T7704] ipv6_find_idev+0x102/0x170 [ 3636.103903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3636.103903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3636.103903][ T7704] netlink_rcv_skb+0x130/0x360 [ 3636.103903][ T7704] netlink_unicast+0x449/0x710 [ 3636.103903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3636.103903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3636.103903][ T7704] ___sys_sendmsg+0xee/0x170 [ 3636.103903][ T7704] __sys_sendmsg+0xcd/0x170 [ 3636.103903][ T7704] do_syscall_64+0xc6/0x1e0 [ 3636.103903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3636.103903][ T7704] [ 3646.342952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3646.343413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3646.343413][ T7704] netdev_get_by_index+0x5e/0x80 [ 3646.343413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3646.343413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3646.343413][ T7704] ip6_route_add+0x1c/0x140 [ 3646.343413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3646.343413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3646.343413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3646.343413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3646.343413][ T7704] netlink_rcv_skb+0x130/0x360 [ 3646.343413][ T7704] netlink_unicast+0x449/0x710 [ 3646.343413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3646.343413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3646.343413][ T7704] ___sys_sendmsg+0xee/0x170 [ 3646.343413][ T7704] __sys_sendmsg+0xcd/0x170 [ 3646.343413][ T7704] do_syscall_64+0xc6/0x1e0 [ 3646.343413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3646.343413][ T7704] [ 3646.345733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3646.345733][ T7704] netdev_get_by_index+0x5e/0x80 [ 3646.345733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3646.345733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3646.345733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3646.345733][ T7704] ipv6_add_addr+0x411/0x2000 [ 3646.345733][ T7704] inet6_addr_add+0x30e/0xa40 [ 3646.345733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3646.345733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3646.345733][ T7704] netlink_rcv_skb+0x130/0x360 [ 3646.345733][ T7704] netlink_unicast+0x449/0x710 [ 3646.345733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3646.345733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3646.345733][ T7704] ___sys_sendmsg+0xee/0x170 [ 3646.345733][ T7704] __sys_sendmsg+0xcd/0x170 [ 3646.345733][ T7704] do_syscall_64+0xc6/0x1e0 [ 3646.345733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3646.345733][ T7704] [ 3646.347984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3646.347984][ T7704] netdev_get_by_index+0x5e/0x80 [ 3646.347984][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3646.347984][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3646.347984][ T7704] ip6_route_add+0x1c/0x140 [ 3646.347984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3646.347984][ T7704] addrconf_add_dev+0xe2/0x170 [ 3646.347984][ T7704] inet6_addr_add+0x12f/0xa40 [ 3646.347984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3646.347984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3646.347984][ T7704] netlink_rcv_skb+0x130/0x360 [ 3646.347984][ T7704] netlink_unicast+0x449/0x710 [ 3646.347984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3646.347984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3646.347984][ T7704] ___sys_sendmsg+0xee/0x170 [ 3646.347984][ T7704] __sys_sendmsg+0xcd/0x170 [ 3646.347984][ T7704] do_syscall_64+0xc6/0x1e0 [ 3646.347984][ T7704] [ 3646.350223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3646.350223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3646.350223][ T7704] ipv6_find_idev+0x102/0x170 [ 3646.350223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3646.350223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3646.350223][ T7704] netlink_rcv_skb+0x130/0x360 [ 3646.350223][ T7704] netlink_unicast+0x449/0x710 [ 3646.350223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3646.350223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3646.350223][ T7704] ___sys_sendmsg+0xee/0x170 [ 3646.350223][ T7704] __sys_sendmsg+0xcd/0x170 [ 3646.350223][ T7704] do_syscall_64+0xc6/0x1e0 [ 3646.350223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3646.350223][ T7704] [ 3646.351972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3646.351972][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3646.351972][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3646.351972][ T7704] ipv6_find_idev+0x102/0x170 [ 3646.351972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3646.351972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3646.351972][ T7704] netlink_rcv_skb+0x130/0x360 [ 3646.351972][ T7704] netlink_unicast+0x449/0x710 [ 3646.351972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3646.351972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3646.351972][ T7704] ___sys_sendmsg+0xee/0x170 [ 3646.351972][ T7704] __sys_sendmsg+0xcd/0x170 [ 3646.351972][ T7704] do_syscall_64+0xc6/0x1e0 [ 3646.351972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3646.351972][ T7704] [ 3656.590959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3656.591420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3656.591420][ T7704] netdev_get_by_index+0x5e/0x80 [ 3656.591420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3656.591420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3656.591420][ T7704] ip6_route_add+0x1c/0x140 [ 3656.591420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3656.591420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3656.591420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.591420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.591420][ T7704] netlink_rcv_skb+0x130/0x360 [ 3656.591420][ T7704] netlink_unicast+0x449/0x710 [ 3656.591420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3656.591420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3656.591420][ T7704] ___sys_sendmsg+0xee/0x170 [ 3656.591420][ T7704] __sys_sendmsg+0xcd/0x170 [ 3656.591420][ T7704] do_syscall_64+0xc6/0x1e0 [ 3656.591420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.591420][ T7704] [ 3656.593931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3656.593931][ T7704] netdev_get_by_index+0x5e/0x80 [ 3656.593931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3656.593931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3656.593931][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3656.593931][ T7704] ipv6_add_addr+0x411/0x2000 [ 3656.593931][ T7704] inet6_addr_add+0x30e/0xa40 [ 3656.593931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.593931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.593931][ T7704] netlink_rcv_skb+0x130/0x360 [ 3656.593931][ T7704] netlink_unicast+0x449/0x710 [ 3656.593931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3656.593931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3656.593931][ T7704] ___sys_sendmsg+0xee/0x170 [ 3656.593931][ T7704] __sys_sendmsg+0xcd/0x170 [ 3656.593931][ T7704] do_syscall_64+0xc6/0x1e0 [ 3656.593931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.593931][ T7704] [ 3656.596394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3656.596394][ T7704] netdev_get_by_index+0x5e/0x80 [ 3656.596394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3656.596394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3656.596394][ T7704] ip6_route_add+0x1c/0x140 [ 3656.596394][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3656.596394][ T7704] addrconf_add_dev+0xe2/0x170 [ 3656.596394][ T7704] inet6_addr_add+0x12f/0xa40 [ 3656.596394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.596394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.596394][ T7704] netlink_rcv_skb+0x130/0x360 [ 3656.596394][ T7704] netlink_unicast+0x449/0x710 [ 3656.596394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3656.596394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3656.596394][ T7704] ___sys_sendmsg+0xee/0x170 [ 3656.596394][ T7704] __sys_sendmsg+0xcd/0x170 [ 3656.596394][ T7704] do_syscall_64+0xc6/0x1e0 [ 3656.596394][ T7704] [ 3656.598816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3656.598816][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3656.598816][ T7704] ipv6_find_idev+0x102/0x170 [ 3656.598816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3656.598816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.598816][ T7704] netlink_rcv_skb+0x130/0x360 [ 3656.598816][ T7704] netlink_unicast+0x449/0x710 [ 3656.598816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3656.598816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3656.598816][ T7704] ___sys_sendmsg+0xee/0x170 [ 3656.598816][ T7704] __sys_sendmsg+0xcd/0x170 [ 3656.598816][ T7704] do_syscall_64+0xc6/0x1e0 [ 3656.598816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.598816][ T7704] [ 3656.600706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3656.600706][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3656.600706][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3656.600706][ T7704] ipv6_find_idev+0x102/0x170 [ 3656.600706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3656.600706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.600706][ T7704] netlink_rcv_skb+0x130/0x360 [ 3656.600706][ T7704] netlink_unicast+0x449/0x710 [ 3656.600706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3656.600706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3656.600706][ T7704] ___sys_sendmsg+0xee/0x170 [ 3656.600706][ T7704] __sys_sendmsg+0xcd/0x170 [ 3656.600706][ T7704] do_syscall_64+0xc6/0x1e0 [ 3656.600706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.600706][ T7704] [ 3666.838928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3666.839449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3666.839449][ T7704] netdev_get_by_index+0x5e/0x80 [ 3666.839449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3666.839449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3666.839449][ T7704] ip6_route_add+0x1c/0x140 [ 3666.839449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3666.839449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3666.839449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.839449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.839449][ T7704] netlink_rcv_skb+0x130/0x360 [ 3666.839449][ T7704] netlink_unicast+0x449/0x710 [ 3666.839449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3666.839449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3666.839449][ T7704] ___sys_sendmsg+0xee/0x170 [ 3666.839449][ T7704] __sys_sendmsg+0xcd/0x170 [ 3666.839449][ T7704] do_syscall_64+0xc6/0x1e0 [ 3666.839449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.839449][ T7704] [ 3666.841749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3666.841749][ T7704] netdev_get_by_index+0x5e/0x80 [ 3666.841749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3666.841749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3666.841749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3666.841749][ T7704] ipv6_add_addr+0x411/0x2000 [ 3666.841749][ T7704] inet6_addr_add+0x30e/0xa40 [ 3666.841749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.841749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.841749][ T7704] netlink_rcv_skb+0x130/0x360 [ 3666.841749][ T7704] netlink_unicast+0x449/0x710 [ 3666.841749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3666.841749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3666.841749][ T7704] ___sys_sendmsg+0xee/0x170 [ 3666.841749][ T7704] __sys_sendmsg+0xcd/0x170 [ 3666.841749][ T7704] do_syscall_64+0xc6/0x1e0 [ 3666.841749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.841749][ T7704] [ 3666.844023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3666.844023][ T7704] netdev_get_by_index+0x5e/0x80 [ 3666.844023][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3666.844023][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3666.844023][ T7704] ip6_route_add+0x1c/0x140 [ 3666.844023][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3666.844023][ T7704] addrconf_add_dev+0xe2/0x170 [ 3666.844023][ T7704] inet6_addr_add+0x12f/0xa40 [ 3666.844023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.844023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.844023][ T7704] netlink_rcv_skb+0x130/0x360 [ 3666.844023][ T7704] netlink_unicast+0x449/0x710 [ 3666.844023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3666.844023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3666.844023][ T7704] ___sys_sendmsg+0xee/0x170 [ 3666.844023][ T7704] __sys_sendmsg+0xcd/0x170 [ 3666.844023][ T7704] do_syscall_64+0xc6/0x1e0 [ 3666.844023][ T7704] [ 3666.846229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3666.846229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3666.846229][ T7704] ipv6_find_idev+0x102/0x170 [ 3666.846229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3666.846229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.846229][ T7704] netlink_rcv_skb+0x130/0x360 [ 3666.846229][ T7704] netlink_unicast+0x449/0x710 [ 3666.846229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3666.846229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3666.846229][ T7704] ___sys_sendmsg+0xee/0x170 [ 3666.846229][ T7704] __sys_sendmsg+0xcd/0x170 [ 3666.846229][ T7704] do_syscall_64+0xc6/0x1e0 [ 3666.846229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.846229][ T7704] [ 3666.847947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3666.847947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3666.847947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3666.847947][ T7704] ipv6_find_idev+0x102/0x170 [ 3666.847947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3666.847947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.847947][ T7704] netlink_rcv_skb+0x130/0x360 [ 3666.847947][ T7704] netlink_unicast+0x449/0x710 [ 3666.847947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3666.847947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3666.847947][ T7704] ___sys_sendmsg+0xee/0x170 [ 3666.847947][ T7704] __sys_sendmsg+0xcd/0x170 [ 3666.847947][ T7704] do_syscall_64+0xc6/0x1e0 [ 3666.847947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.847947][ T7704] [ 3677.086953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3677.087503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3677.087503][ T7704] netdev_get_by_index+0x5e/0x80 [ 3677.087503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3677.087503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3677.087503][ T7704] ip6_route_add+0x1c/0x140 [ 3677.087503][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3677.087503][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3677.087503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.087503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.087503][ T7704] netlink_rcv_skb+0x130/0x360 [ 3677.087503][ T7704] netlink_unicast+0x449/0x710 [ 3677.087503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3677.087503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3677.087503][ T7704] ___sys_sendmsg+0xee/0x170 [ 3677.087503][ T7704] __sys_sendmsg+0xcd/0x170 [ 3677.087503][ T7704] do_syscall_64+0xc6/0x1e0 [ 3677.087503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.087503][ T7704] [ 3677.089789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3677.089789][ T7704] netdev_get_by_index+0x5e/0x80 [ 3677.089789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3677.089789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3677.089789][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3677.089789][ T7704] ipv6_add_addr+0x411/0x2000 [ 3677.089789][ T7704] inet6_addr_add+0x30e/0xa40 [ 3677.089789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.089789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.089789][ T7704] netlink_rcv_skb+0x130/0x360 [ 3677.089789][ T7704] netlink_unicast+0x449/0x710 [ 3677.089789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3677.089789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3677.089789][ T7704] ___sys_sendmsg+0xee/0x170 [ 3677.089789][ T7704] __sys_sendmsg+0xcd/0x170 [ 3677.089789][ T7704] do_syscall_64+0xc6/0x1e0 [ 3677.089789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.089789][ T7704] [ 3677.092030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3677.092030][ T7704] netdev_get_by_index+0x5e/0x80 [ 3677.092030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3677.092030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3677.092030][ T7704] ip6_route_add+0x1c/0x140 [ 3677.092030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3677.092030][ T7704] addrconf_add_dev+0xe2/0x170 [ 3677.092030][ T7704] inet6_addr_add+0x12f/0xa40 [ 3677.092030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.092030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.092030][ T7704] netlink_rcv_skb+0x130/0x360 [ 3677.092030][ T7704] netlink_unicast+0x449/0x710 [ 3677.092030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3677.092030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3677.092030][ T7704] ___sys_sendmsg+0xee/0x170 [ 3677.092030][ T7704] __sys_sendmsg+0xcd/0x170 [ 3677.092030][ T7704] do_syscall_64+0xc6/0x1e0 [ 3677.092030][ T7704] [ 3677.094245][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3677.094245][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3677.094245][ T7704] ipv6_find_idev+0x102/0x170 [ 3677.094245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3677.094245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.094245][ T7704] netlink_rcv_skb+0x130/0x360 [ 3677.094245][ T7704] netlink_unicast+0x449/0x710 [ 3677.094245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3677.094245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3677.094245][ T7704] ___sys_sendmsg+0xee/0x170 [ 3677.094245][ T7704] __sys_sendmsg+0xcd/0x170 [ 3677.094245][ T7704] do_syscall_64+0xc6/0x1e0 [ 3677.094245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.094245][ T7704] [ 3677.095961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3677.095961][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3677.095961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3677.095961][ T7704] ipv6_find_idev+0x102/0x170 [ 3677.095961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3677.095961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.095961][ T7704] netlink_rcv_skb+0x130/0x360 [ 3677.095961][ T7704] netlink_unicast+0x449/0x710 [ 3677.095961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3677.095961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3677.095961][ T7704] ___sys_sendmsg+0xee/0x170 [ 3677.095961][ T7704] __sys_sendmsg+0xcd/0x170 [ 3677.095961][ T7704] do_syscall_64+0xc6/0x1e0 [ 3677.095961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.095961][ T7704] [ 3687.334990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3687.335449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3687.335449][ T7704] netdev_get_by_index+0x5e/0x80 [ 3687.335449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3687.335449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3687.335449][ T7704] ip6_route_add+0x1c/0x140 [ 3687.335449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3687.335449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3687.335449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3687.335449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3687.335449][ T7704] netlink_rcv_skb+0x130/0x360 [ 3687.335449][ T7704] netlink_unicast+0x449/0x710 [ 3687.335449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3687.335449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3687.335449][ T7704] ___sys_sendmsg+0xee/0x170 [ 3687.335449][ T7704] __sys_sendmsg+0xcd/0x170 [ 3687.335449][ T7704] do_syscall_64+0xc6/0x1e0 [ 3687.335449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3687.335449][ T7704] [ 3687.337731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3687.337731][ T7704] netdev_get_by_index+0x5e/0x80 [ 3687.337731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3687.337731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3687.337731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3687.337731][ T7704] ipv6_add_addr+0x411/0x2000 [ 3687.337731][ T7704] inet6_addr_add+0x30e/0xa40 [ 3687.337731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3687.337731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3687.337731][ T7704] netlink_rcv_skb+0x130/0x360 [ 3687.337731][ T7704] netlink_unicast+0x449/0x710 [ 3687.337731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3687.337731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3687.337731][ T7704] ___sys_sendmsg+0xee/0x170 [ 3687.337731][ T7704] __sys_sendmsg+0xcd/0x170 [ 3687.337731][ T7704] do_syscall_64+0xc6/0x1e0 [ 3687.337731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3687.337731][ T7704] [ 3687.339961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3687.339961][ T7704] netdev_get_by_index+0x5e/0x80 [ 3687.339961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3687.339961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3687.339961][ T7704] ip6_route_add+0x1c/0x140 [ 3687.339961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3687.339961][ T7704] addrconf_add_dev+0xe2/0x170 [ 3687.339961][ T7704] inet6_addr_add+0x12f/0xa40 [ 3687.339961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3687.339961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3687.339961][ T7704] netlink_rcv_skb+0x130/0x360 [ 3687.339961][ T7704] netlink_unicast+0x449/0x710 [ 3687.339961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3687.339961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3687.339961][ T7704] ___sys_sendmsg+0xee/0x170 [ 3687.339961][ T7704] __sys_sendmsg+0xcd/0x170 [ 3687.339961][ T7704] do_syscall_64+0xc6/0x1e0 [ 3687.339961][ T7704] [ 3687.342173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3687.342173][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3687.342173][ T7704] ipv6_find_idev+0x102/0x170 [ 3687.342173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3687.342173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3687.342173][ T7704] netlink_rcv_skb+0x130/0x360 [ 3687.342173][ T7704] netlink_unicast+0x449/0x710 [ 3687.342173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3687.342173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3687.342173][ T7704] ___sys_sendmsg+0xee/0x170 [ 3687.342173][ T7704] __sys_sendmsg+0xcd/0x170 [ 3687.342173][ T7704] do_syscall_64+0xc6/0x1e0 [ 3687.342173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3687.342173][ T7704] [ 3687.343901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3687.343901][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3687.343901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3687.343901][ T7704] ipv6_find_idev+0x102/0x170 [ 3687.343901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3687.343901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3687.343901][ T7704] netlink_rcv_skb+0x130/0x360 [ 3687.343901][ T7704] netlink_unicast+0x449/0x710 [ 3687.343901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3687.343901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3687.343901][ T7704] ___sys_sendmsg+0xee/0x170 [ 3687.343901][ T7704] __sys_sendmsg+0xcd/0x170 [ 3687.343901][ T7704] do_syscall_64+0xc6/0x1e0 [ 3687.343901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3687.343901][ T7704] [ 3697.582964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3697.583478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3697.583478][ T7704] netdev_get_by_index+0x5e/0x80 [ 3697.583478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3697.583478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3697.583478][ T7704] ip6_route_add+0x1c/0x140 [ 3697.583478][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3697.583478][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3697.583478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3697.583478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3697.583478][ T7704] netlink_rcv_skb+0x130/0x360 [ 3697.583478][ T7704] netlink_unicast+0x449/0x710 [ 3697.583478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3697.583478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3697.583478][ T7704] ___sys_sendmsg+0xee/0x170 [ 3697.583478][ T7704] __sys_sendmsg+0xcd/0x170 [ 3697.583478][ T7704] do_syscall_64+0xc6/0x1e0 [ 3697.583478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3697.583478][ T7704] [ 3697.585764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3697.585764][ T7704] netdev_get_by_index+0x5e/0x80 [ 3697.585764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3697.585764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3697.585764][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3697.585764][ T7704] ipv6_add_addr+0x411/0x2000 [ 3697.585764][ T7704] inet6_addr_add+0x30e/0xa40 [ 3697.585764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3697.585764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3697.585764][ T7704] netlink_rcv_skb+0x130/0x360 [ 3697.585764][ T7704] netlink_unicast+0x449/0x710 [ 3697.585764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3697.585764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3697.585764][ T7704] ___sys_sendmsg+0xee/0x170 [ 3697.585764][ T7704] __sys_sendmsg+0xcd/0x170 [ 3697.585764][ T7704] do_syscall_64+0xc6/0x1e0 [ 3697.585764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3697.585764][ T7704] [ 3697.588010][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3697.588010][ T7704] netdev_get_by_index+0x5e/0x80 [ 3697.588010][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3697.588010][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3697.588010][ T7704] ip6_route_add+0x1c/0x140 [ 3697.588010][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3697.588010][ T7704] addrconf_add_dev+0xe2/0x170 [ 3697.588010][ T7704] inet6_addr_add+0x12f/0xa40 [ 3697.588010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3697.588010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3697.588010][ T7704] netlink_rcv_skb+0x130/0x360 [ 3697.588010][ T7704] netlink_unicast+0x449/0x710 [ 3697.588010][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3697.588010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3697.588010][ T7704] ___sys_sendmsg+0xee/0x170 [ 3697.588010][ T7704] __sys_sendmsg+0xcd/0x170 [ 3697.588010][ T7704] do_syscall_64+0xc6/0x1e0 [ 3697.588010][ T7704] [ 3697.590195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3697.590195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3697.590195][ T7704] ipv6_find_idev+0x102/0x170 [ 3697.590195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3697.590195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3697.590195][ T7704] netlink_rcv_skb+0x130/0x360 [ 3697.590195][ T7704] netlink_unicast+0x449/0x710 [ 3697.590195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3697.590195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3697.590195][ T7704] ___sys_sendmsg+0xee/0x170 [ 3697.590195][ T7704] __sys_sendmsg+0xcd/0x170 [ 3697.590195][ T7704] do_syscall_64+0xc6/0x1e0 [ 3697.590195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3697.590195][ T7704] [ 3697.591902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3697.591902][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3697.591902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3697.591902][ T7704] ipv6_find_idev+0x102/0x170 [ 3697.591902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3697.591902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3697.591902][ T7704] netlink_rcv_skb+0x130/0x360 [ 3697.591902][ T7704] netlink_unicast+0x449/0x710 [ 3697.591902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3697.591902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3697.591902][ T7704] ___sys_sendmsg+0xee/0x170 [ 3697.591902][ T7704] __sys_sendmsg+0xcd/0x170 [ 3697.591902][ T7704] do_syscall_64+0xc6/0x1e0 [ 3697.591902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3697.591902][ T7704] [ 3707.831006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3707.831536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3707.831536][ T7704] netdev_get_by_index+0x5e/0x80 [ 3707.831536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3707.831536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3707.831536][ T7704] ip6_route_add+0x1c/0x140 [ 3707.831536][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3707.831536][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3707.831536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3707.831536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.831536][ T7704] netlink_rcv_skb+0x130/0x360 [ 3707.831536][ T7704] netlink_unicast+0x449/0x710 [ 3707.831536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3707.831536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3707.831536][ T7704] ___sys_sendmsg+0xee/0x170 [ 3707.831536][ T7704] __sys_sendmsg+0xcd/0x170 [ 3707.831536][ T7704] do_syscall_64+0xc6/0x1e0 [ 3707.831536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.831536][ T7704] [ 3707.833819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3707.833819][ T7704] netdev_get_by_index+0x5e/0x80 [ 3707.833819][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3707.833819][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3707.833819][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3707.833819][ T7704] ipv6_add_addr+0x411/0x2000 [ 3707.833819][ T7704] inet6_addr_add+0x30e/0xa40 [ 3707.833819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3707.833819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.833819][ T7704] netlink_rcv_skb+0x130/0x360 [ 3707.833819][ T7704] netlink_unicast+0x449/0x710 [ 3707.833819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3707.833819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3707.833819][ T7704] ___sys_sendmsg+0xee/0x170 [ 3707.833819][ T7704] __sys_sendmsg+0xcd/0x170 [ 3707.833819][ T7704] do_syscall_64+0xc6/0x1e0 [ 3707.833819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.833819][ T7704] [ 3707.836040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3707.836040][ T7704] netdev_get_by_index+0x5e/0x80 [ 3707.836040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3707.836040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3707.836040][ T7704] ip6_route_add+0x1c/0x140 [ 3707.836040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3707.836040][ T7704] addrconf_add_dev+0xe2/0x170 [ 3707.836040][ T7704] inet6_addr_add+0x12f/0xa40 [ 3707.836040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3707.836040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.836040][ T7704] netlink_rcv_skb+0x130/0x360 [ 3707.836040][ T7704] netlink_unicast+0x449/0x710 [ 3707.836040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3707.836040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3707.836040][ T7704] ___sys_sendmsg+0xee/0x170 [ 3707.836040][ T7704] __sys_sendmsg+0xcd/0x170 [ 3707.836040][ T7704] do_syscall_64+0xc6/0x1e0 [ 3707.836040][ T7704] [ 3707.838222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3707.838222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3707.838222][ T7704] ipv6_find_idev+0x102/0x170 [ 3707.838222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3707.838222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.838222][ T7704] netlink_rcv_skb+0x130/0x360 [ 3707.838222][ T7704] netlink_unicast+0x449/0x710 [ 3707.838222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3707.838222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3707.838222][ T7704] ___sys_sendmsg+0xee/0x170 [ 3707.838222][ T7704] __sys_sendmsg+0xcd/0x170 [ 3707.838222][ T7704] do_syscall_64+0xc6/0x1e0 [ 3707.838222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.838222][ T7704] [ 3707.839941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3707.839941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3707.839941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3707.839941][ T7704] ipv6_find_idev+0x102/0x170 [ 3707.839941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3707.839941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.839941][ T7704] netlink_rcv_skb+0x130/0x360 [ 3707.839941][ T7704] netlink_unicast+0x449/0x710 [ 3707.839941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3707.839941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3707.839941][ T7704] ___sys_sendmsg+0xee/0x170 [ 3707.839941][ T7704] __sys_sendmsg+0xcd/0x170 [ 3707.839941][ T7704] do_syscall_64+0xc6/0x1e0 [ 3707.839941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.839941][ T7704] [ 3718.078900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3718.079417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3718.079417][ T7704] netdev_get_by_index+0x5e/0x80 [ 3718.079417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3718.079417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3718.079417][ T7704] ip6_route_add+0x1c/0x140 [ 3718.079417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3718.079417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3718.079417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.079417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.079417][ T7704] netlink_rcv_skb+0x130/0x360 [ 3718.079417][ T7704] netlink_unicast+0x449/0x710 [ 3718.079417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3718.079417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3718.079417][ T7704] ___sys_sendmsg+0xee/0x170 [ 3718.079417][ T7704] __sys_sendmsg+0xcd/0x170 [ 3718.079417][ T7704] do_syscall_64+0xc6/0x1e0 [ 3718.079417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.079417][ T7704] [ 3718.081669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3718.081669][ T7704] netdev_get_by_index+0x5e/0x80 [ 3718.081669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3718.081669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3718.081669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3718.081669][ T7704] ipv6_add_addr+0x411/0x2000 [ 3718.081669][ T7704] inet6_addr_add+0x30e/0xa40 [ 3718.081669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.081669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.081669][ T7704] netlink_rcv_skb+0x130/0x360 [ 3718.081669][ T7704] netlink_unicast+0x449/0x710 [ 3718.081669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3718.081669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3718.081669][ T7704] ___sys_sendmsg+0xee/0x170 [ 3718.081669][ T7704] __sys_sendmsg+0xcd/0x170 [ 3718.081669][ T7704] do_syscall_64+0xc6/0x1e0 [ 3718.081669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.081669][ T7704] [ 3718.083927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3718.083927][ T7704] netdev_get_by_index+0x5e/0x80 [ 3718.083927][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3718.083927][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3718.083927][ T7704] ip6_route_add+0x1c/0x140 [ 3718.083927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3718.083927][ T7704] addrconf_add_dev+0xe2/0x170 [ 3718.083927][ T7704] inet6_addr_add+0x12f/0xa40 [ 3718.083927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.083927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.083927][ T7704] netlink_rcv_skb+0x130/0x360 [ 3718.083927][ T7704] netlink_unicast+0x449/0x710 [ 3718.083927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3718.083927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3718.083927][ T7704] ___sys_sendmsg+0xee/0x170 [ 3718.083927][ T7704] __sys_sendmsg+0xcd/0x170 [ 3718.083927][ T7704] do_syscall_64+0xc6/0x1e0 [ 3718.083927][ T7704] [ 3718.086109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3718.086109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3718.086109][ T7704] ipv6_find_idev+0x102/0x170 [ 3718.086109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3718.086109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.086109][ T7704] netlink_rcv_skb+0x130/0x360 [ 3718.086109][ T7704] netlink_unicast+0x449/0x710 [ 3718.086109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3718.086109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3718.086109][ T7704] ___sys_sendmsg+0xee/0x170 [ 3718.086109][ T7704] __sys_sendmsg+0xcd/0x170 [ 3718.086109][ T7704] do_syscall_64+0xc6/0x1e0 [ 3718.086109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.086109][ T7704] [ 3718.087815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3718.087815][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3718.087815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3718.087815][ T7704] ipv6_find_idev+0x102/0x170 [ 3718.087815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3718.087815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.087815][ T7704] netlink_rcv_skb+0x130/0x360 [ 3718.087815][ T7704] netlink_unicast+0x449/0x710 [ 3718.087815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3718.087815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3718.087815][ T7704] ___sys_sendmsg+0xee/0x170 [ 3718.087815][ T7704] __sys_sendmsg+0xcd/0x170 [ 3718.087815][ T7704] do_syscall_64+0xc6/0x1e0 [ 3718.087815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.087815][ T7704] [ 3728.326962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3728.327481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3728.327481][ T7704] netdev_get_by_index+0x5e/0x80 [ 3728.327481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3728.327481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3728.327481][ T7704] ip6_route_add+0x1c/0x140 [ 3728.327481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3728.327481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3728.327481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.327481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.327481][ T7704] netlink_rcv_skb+0x130/0x360 [ 3728.327481][ T7704] netlink_unicast+0x449/0x710 [ 3728.327481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3728.327481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3728.327481][ T7704] ___sys_sendmsg+0xee/0x170 [ 3728.327481][ T7704] __sys_sendmsg+0xcd/0x170 [ 3728.327481][ T7704] do_syscall_64+0xc6/0x1e0 [ 3728.327481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.327481][ T7704] [ 3728.329740][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3728.329740][ T7704] netdev_get_by_index+0x5e/0x80 [ 3728.329740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3728.329740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3728.329740][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3728.329740][ T7704] ipv6_add_addr+0x411/0x2000 [ 3728.329740][ T7704] inet6_addr_add+0x30e/0xa40 [ 3728.329740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.329740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.329740][ T7704] netlink_rcv_skb+0x130/0x360 [ 3728.329740][ T7704] netlink_unicast+0x449/0x710 [ 3728.329740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3728.329740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3728.329740][ T7704] ___sys_sendmsg+0xee/0x170 [ 3728.329740][ T7704] __sys_sendmsg+0xcd/0x170 [ 3728.329740][ T7704] do_syscall_64+0xc6/0x1e0 [ 3728.329740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.329740][ T7704] [ 3728.331965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3728.331965][ T7704] netdev_get_by_index+0x5e/0x80 [ 3728.331965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3728.331965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3728.331965][ T7704] ip6_route_add+0x1c/0x140 [ 3728.331965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3728.331965][ T7704] addrconf_add_dev+0xe2/0x170 [ 3728.331965][ T7704] inet6_addr_add+0x12f/0xa40 [ 3728.331965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.331965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.331965][ T7704] netlink_rcv_skb+0x130/0x360 [ 3728.331965][ T7704] netlink_unicast+0x449/0x710 [ 3728.331965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3728.331965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3728.331965][ T7704] ___sys_sendmsg+0xee/0x170 [ 3728.331965][ T7704] __sys_sendmsg+0xcd/0x170 [ 3728.331965][ T7704] do_syscall_64+0xc6/0x1e0 [ 3728.331965][ T7704] [ 3728.334164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3728.334164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3728.334164][ T7704] ipv6_find_idev+0x102/0x170 [ 3728.334164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3728.334164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.334164][ T7704] netlink_rcv_skb+0x130/0x360 [ 3728.334164][ T7704] netlink_unicast+0x449/0x710 [ 3728.334164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3728.334164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3728.334164][ T7704] ___sys_sendmsg+0xee/0x170 [ 3728.334164][ T7704] __sys_sendmsg+0xcd/0x170 [ 3728.334164][ T7704] do_syscall_64+0xc6/0x1e0 [ 3728.334164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.334164][ T7704] [ 3728.335882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3728.335882][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3728.335882][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3728.335882][ T7704] ipv6_find_idev+0x102/0x170 [ 3728.335882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3728.335882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.335882][ T7704] netlink_rcv_skb+0x130/0x360 [ 3728.335882][ T7704] netlink_unicast+0x449/0x710 [ 3728.335882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3728.335882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3728.335882][ T7704] ___sys_sendmsg+0xee/0x170 [ 3728.335882][ T7704] __sys_sendmsg+0xcd/0x170 [ 3728.335882][ T7704] do_syscall_64+0xc6/0x1e0 [ 3728.335882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.335882][ T7704] [ 3738.574936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3738.575447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3738.575447][ T7704] netdev_get_by_index+0x5e/0x80 [ 3738.575447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3738.575447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3738.575447][ T7704] ip6_route_add+0x1c/0x140 [ 3738.575447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3738.575447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3738.575447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3738.575447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3738.575447][ T7704] netlink_rcv_skb+0x130/0x360 [ 3738.575447][ T7704] netlink_unicast+0x449/0x710 [ 3738.575447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3738.575447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3738.575447][ T7704] ___sys_sendmsg+0xee/0x170 [ 3738.575447][ T7704] __sys_sendmsg+0xcd/0x170 [ 3738.575447][ T7704] do_syscall_64+0xc6/0x1e0 [ 3738.575447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3738.575447][ T7704] [ 3738.577726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3738.577726][ T7704] netdev_get_by_index+0x5e/0x80 [ 3738.577726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3738.577726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3738.577726][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3738.577726][ T7704] ipv6_add_addr+0x411/0x2000 [ 3738.577726][ T7704] inet6_addr_add+0x30e/0xa40 [ 3738.577726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3738.577726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3738.577726][ T7704] netlink_rcv_skb+0x130/0x360 [ 3738.577726][ T7704] netlink_unicast+0x449/0x710 [ 3738.577726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3738.577726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3738.577726][ T7704] ___sys_sendmsg+0xee/0x170 [ 3738.577726][ T7704] __sys_sendmsg+0xcd/0x170 [ 3738.577726][ T7704] do_syscall_64+0xc6/0x1e0 [ 3738.577726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3738.577726][ T7704] [ 3738.580079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3738.580079][ T7704] netdev_get_by_index+0x5e/0x80 [ 3738.580079][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3738.580079][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3738.580079][ T7704] ip6_route_add+0x1c/0x140 [ 3738.580079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3738.580079][ T7704] addrconf_add_dev+0xe2/0x170 [ 3738.580079][ T7704] inet6_addr_add+0x12f/0xa40 [ 3738.580079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3738.580079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3738.580079][ T7704] netlink_rcv_skb+0x130/0x360 [ 3738.580079][ T7704] netlink_unicast+0x449/0x710 [ 3738.580079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3738.580079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3738.580079][ T7704] ___sys_sendmsg+0xee/0x170 [ 3738.580079][ T7704] __sys_sendmsg+0xcd/0x170 [ 3738.580079][ T7704] do_syscall_64+0xc6/0x1e0 [ 3738.580079][ T7704] [ 3738.584366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3738.584366][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3738.584366][ T7704] ipv6_find_idev+0x102/0x170 [ 3738.584366][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3738.584366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3738.584366][ T7704] netlink_rcv_skb+0x130/0x360 [ 3738.584366][ T7704] netlink_unicast+0x449/0x710 [ 3738.584366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3738.584366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3738.584366][ T7704] ___sys_sendmsg+0xee/0x170 [ 3738.584366][ T7704] __sys_sendmsg+0xcd/0x170 [ 3738.584366][ T7704] do_syscall_64+0xc6/0x1e0 [ 3738.584366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3738.584366][ T7704] [ 3738.587039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3738.587039][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3738.587039][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3738.587039][ T7704] ipv6_find_idev+0x102/0x170 [ 3738.587039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3738.587039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3738.587039][ T7704] netlink_rcv_skb+0x130/0x360 [ 3738.587039][ T7704] netlink_unicast+0x449/0x710 [ 3738.587039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3738.587039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3738.587039][ T7704] ___sys_sendmsg+0xee/0x170 [ 3738.587039][ T7704] __sys_sendmsg+0xcd/0x170 [ 3738.587039][ T7704] do_syscall_64+0xc6/0x1e0 [ 3738.587039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3738.587039][ T7704] [ 3748.830879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3748.831433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3748.831433][ T7704] netdev_get_by_index+0x5e/0x80 [ 3748.831433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3748.831433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3748.831433][ T7704] ip6_route_add+0x1c/0x140 [ 3748.831433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3748.831433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3748.831433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3748.831433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3748.831433][ T7704] netlink_rcv_skb+0x130/0x360 [ 3748.831433][ T7704] netlink_unicast+0x449/0x710 [ 3748.831433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3748.831433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3748.831433][ T7704] ___sys_sendmsg+0xee/0x170 [ 3748.831433][ T7704] __sys_sendmsg+0xcd/0x170 [ 3748.831433][ T7704] do_syscall_64+0xc6/0x1e0 [ 3748.831433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3748.831433][ T7704] [ 3748.833733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3748.833733][ T7704] netdev_get_by_index+0x5e/0x80 [ 3748.833733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3748.833733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3748.833733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3748.833733][ T7704] ipv6_add_addr+0x411/0x2000 [ 3748.833733][ T7704] inet6_addr_add+0x30e/0xa40 [ 3748.833733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3748.833733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3748.833733][ T7704] netlink_rcv_skb+0x130/0x360 [ 3748.833733][ T7704] netlink_unicast+0x449/0x710 [ 3748.833733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3748.833733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3748.833733][ T7704] ___sys_sendmsg+0xee/0x170 [ 3748.833733][ T7704] __sys_sendmsg+0xcd/0x170 [ 3748.833733][ T7704] do_syscall_64+0xc6/0x1e0 [ 3748.833733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3748.833733][ T7704] [ 3748.835995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3748.835995][ T7704] netdev_get_by_index+0x5e/0x80 [ 3748.835995][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3748.835995][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3748.835995][ T7704] ip6_route_add+0x1c/0x140 [ 3748.835995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3748.835995][ T7704] addrconf_add_dev+0xe2/0x170 [ 3748.835995][ T7704] inet6_addr_add+0x12f/0xa40 [ 3748.835995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3748.835995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3748.835995][ T7704] netlink_rcv_skb+0x130/0x360 [ 3748.835995][ T7704] netlink_unicast+0x449/0x710 [ 3748.835995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3748.835995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3748.835995][ T7704] ___sys_sendmsg+0xee/0x170 [ 3748.835995][ T7704] __sys_sendmsg+0xcd/0x170 [ 3748.835995][ T7704] do_syscall_64+0xc6/0x1e0 [ 3748.835995][ T7704] [ 3748.838213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3748.838213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3748.838213][ T7704] ipv6_find_idev+0x102/0x170 [ 3748.838213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3748.838213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3748.838213][ T7704] netlink_rcv_skb+0x130/0x360 [ 3748.838213][ T7704] netlink_unicast+0x449/0x710 [ 3748.838213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3748.838213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3748.838213][ T7704] ___sys_sendmsg+0xee/0x170 [ 3748.838213][ T7704] __sys_sendmsg+0xcd/0x170 [ 3748.838213][ T7704] do_syscall_64+0xc6/0x1e0 [ 3748.838213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3748.838213][ T7704] [ 3748.839954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3748.839954][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3748.839954][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3748.839954][ T7704] ipv6_find_idev+0x102/0x170 [ 3748.839954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3748.839954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3748.839954][ T7704] netlink_rcv_skb+0x130/0x360 [ 3748.839954][ T7704] netlink_unicast+0x449/0x710 [ 3748.839954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3748.839954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3748.839954][ T7704] ___sys_sendmsg+0xee/0x170 [ 3748.839954][ T7704] __sys_sendmsg+0xcd/0x170 [ 3748.839954][ T7704] do_syscall_64+0xc6/0x1e0 [ 3748.839954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3748.839954][ T7704] [ 3759.006905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3759.007447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3759.007447][ T7704] netdev_get_by_index+0x5e/0x80 [ 3759.007447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3759.007447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3759.007447][ T7704] ip6_route_add+0x1c/0x140 [ 3759.007447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3759.007447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3759.007447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.007447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.007447][ T7704] netlink_rcv_skb+0x130/0x360 [ 3759.007447][ T7704] netlink_unicast+0x449/0x710 [ 3759.007447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3759.007447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3759.007447][ T7704] ___sys_sendmsg+0xee/0x170 [ 3759.007447][ T7704] __sys_sendmsg+0xcd/0x170 [ 3759.007447][ T7704] do_syscall_64+0xc6/0x1e0 [ 3759.007447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.007447][ T7704] [ 3759.009767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3759.009767][ T7704] netdev_get_by_index+0x5e/0x80 [ 3759.009767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3759.009767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3759.009767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3759.009767][ T7704] ipv6_add_addr+0x411/0x2000 [ 3759.009767][ T7704] inet6_addr_add+0x30e/0xa40 [ 3759.009767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.009767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.009767][ T7704] netlink_rcv_skb+0x130/0x360 [ 3759.009767][ T7704] netlink_unicast+0x449/0x710 [ 3759.009767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3759.009767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3759.009767][ T7704] ___sys_sendmsg+0xee/0x170 [ 3759.009767][ T7704] __sys_sendmsg+0xcd/0x170 [ 3759.009767][ T7704] do_syscall_64+0xc6/0x1e0 [ 3759.009767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.009767][ T7704] [ 3759.012067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3759.012067][ T7704] netdev_get_by_index+0x5e/0x80 [ 3759.012067][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3759.012067][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3759.012067][ T7704] ip6_route_add+0x1c/0x140 [ 3759.012067][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3759.012067][ T7704] addrconf_add_dev+0xe2/0x170 [ 3759.012067][ T7704] inet6_addr_add+0x12f/0xa40 [ 3759.012067][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.012067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.012067][ T7704] netlink_rcv_skb+0x130/0x360 [ 3759.012067][ T7704] netlink_unicast+0x449/0x710 [ 3759.012067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3759.012067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3759.012067][ T7704] ___sys_sendmsg+0xee/0x170 [ 3759.012067][ T7704] __sys_sendmsg+0xcd/0x170 [ 3759.012067][ T7704] do_syscall_64+0xc6/0x1e0 [ 3759.012067][ T7704] [ 3759.014318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3759.014318][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3759.014318][ T7704] ipv6_find_idev+0x102/0x170 [ 3759.014318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3759.014318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.014318][ T7704] netlink_rcv_skb+0x130/0x360 [ 3759.014318][ T7704] netlink_unicast+0x449/0x710 [ 3759.014318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3759.014318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3759.014318][ T7704] ___sys_sendmsg+0xee/0x170 [ 3759.014318][ T7704] __sys_sendmsg+0xcd/0x170 [ 3759.014318][ T7704] do_syscall_64+0xc6/0x1e0 [ 3759.014318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.014318][ T7704] [ 3759.016113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3759.016113][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3759.016113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3759.016113][ T7704] ipv6_find_idev+0x102/0x170 [ 3759.016113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3759.016113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.016113][ T7704] netlink_rcv_skb+0x130/0x360 [ 3759.016113][ T7704] netlink_unicast+0x449/0x710 [ 3759.016113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3759.016113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3759.016113][ T7704] ___sys_sendmsg+0xee/0x170 [ 3759.016113][ T7704] __sys_sendmsg+0xcd/0x170 [ 3759.016113][ T7704] do_syscall_64+0xc6/0x1e0 [ 3759.016113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.016113][ T7704] [ 3769.255045][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3769.255592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3769.255592][ T7704] netdev_get_by_index+0x5e/0x80 [ 3769.255592][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3769.255592][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3769.255592][ T7704] ip6_route_add+0x1c/0x140 [ 3769.255592][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3769.255592][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3769.255592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.255592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.255592][ T7704] netlink_rcv_skb+0x130/0x360 [ 3769.255592][ T7704] netlink_unicast+0x449/0x710 [ 3769.255592][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3769.255592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3769.255592][ T7704] ___sys_sendmsg+0xee/0x170 [ 3769.255592][ T7704] __sys_sendmsg+0xcd/0x170 [ 3769.255592][ T7704] do_syscall_64+0xc6/0x1e0 [ 3769.255592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.255592][ T7704] [ 3769.257932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3769.257932][ T7704] netdev_get_by_index+0x5e/0x80 [ 3769.257932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3769.257932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3769.257932][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3769.257932][ T7704] ipv6_add_addr+0x411/0x2000 [ 3769.257932][ T7704] inet6_addr_add+0x30e/0xa40 [ 3769.257932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.257932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.257932][ T7704] netlink_rcv_skb+0x130/0x360 [ 3769.257932][ T7704] netlink_unicast+0x449/0x710 [ 3769.257932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3769.257932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3769.257932][ T7704] ___sys_sendmsg+0xee/0x170 [ 3769.257932][ T7704] __sys_sendmsg+0xcd/0x170 [ 3769.257932][ T7704] do_syscall_64+0xc6/0x1e0 [ 3769.257932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.257932][ T7704] [ 3769.260231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3769.260231][ T7704] netdev_get_by_index+0x5e/0x80 [ 3769.260231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3769.260231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3769.260231][ T7704] ip6_route_add+0x1c/0x140 [ 3769.260231][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3769.260231][ T7704] addrconf_add_dev+0xe2/0x170 [ 3769.260231][ T7704] inet6_addr_add+0x12f/0xa40 [ 3769.260231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.260231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.260231][ T7704] netlink_rcv_skb+0x130/0x360 [ 3769.260231][ T7704] netlink_unicast+0x449/0x710 [ 3769.260231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3769.260231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3769.260231][ T7704] ___sys_sendmsg+0xee/0x170 [ 3769.260231][ T7704] __sys_sendmsg+0xcd/0x170 [ 3769.260231][ T7704] do_syscall_64+0xc6/0x1e0 [ 3769.260231][ T7704] [ 3769.262501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3769.262501][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3769.262501][ T7704] ipv6_find_idev+0x102/0x170 [ 3769.262501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3769.262501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.262501][ T7704] netlink_rcv_skb+0x130/0x360 [ 3769.262501][ T7704] netlink_unicast+0x449/0x710 [ 3769.262501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3769.262501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3769.262501][ T7704] ___sys_sendmsg+0xee/0x170 [ 3769.262501][ T7704] __sys_sendmsg+0xcd/0x170 [ 3769.262501][ T7704] do_syscall_64+0xc6/0x1e0 [ 3769.262501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.262501][ T7704] [ 3769.264263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3769.264263][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3769.264263][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3769.264263][ T7704] ipv6_find_idev+0x102/0x170 [ 3769.264263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3769.264263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.264263][ T7704] netlink_rcv_skb+0x130/0x360 [ 3769.264263][ T7704] netlink_unicast+0x449/0x710 [ 3769.264263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3769.264263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3769.264263][ T7704] ___sys_sendmsg+0xee/0x170 [ 3769.264263][ T7704] __sys_sendmsg+0xcd/0x170 [ 3769.264263][ T7704] do_syscall_64+0xc6/0x1e0 [ 3769.264263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.264263][ T7704] [ 3779.471000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3779.471554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3779.471554][ T7704] netdev_get_by_index+0x5e/0x80 [ 3779.471554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3779.471554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3779.471554][ T7704] ip6_route_add+0x1c/0x140 [ 3779.471554][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3779.471554][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3779.471554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.471554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.471554][ T7704] netlink_rcv_skb+0x130/0x360 [ 3779.471554][ T7704] netlink_unicast+0x449/0x710 [ 3779.471554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3779.471554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3779.471554][ T7704] ___sys_sendmsg+0xee/0x170 [ 3779.471554][ T7704] __sys_sendmsg+0xcd/0x170 [ 3779.471554][ T7704] do_syscall_64+0xc6/0x1e0 [ 3779.471554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.471554][ T7704] [ 3779.473842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3779.473842][ T7704] netdev_get_by_index+0x5e/0x80 [ 3779.473842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3779.473842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3779.473842][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3779.473842][ T7704] ipv6_add_addr+0x411/0x2000 [ 3779.473842][ T7704] inet6_addr_add+0x30e/0xa40 [ 3779.473842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.473842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.473842][ T7704] netlink_rcv_skb+0x130/0x360 [ 3779.473842][ T7704] netlink_unicast+0x449/0x710 [ 3779.473842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3779.473842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3779.473842][ T7704] ___sys_sendmsg+0xee/0x170 [ 3779.473842][ T7704] __sys_sendmsg+0xcd/0x170 [ 3779.473842][ T7704] do_syscall_64+0xc6/0x1e0 [ 3779.473842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.473842][ T7704] [ 3779.476111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3779.476111][ T7704] netdev_get_by_index+0x5e/0x80 [ 3779.476111][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3779.476111][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3779.476111][ T7704] ip6_route_add+0x1c/0x140 [ 3779.476111][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3779.476111][ T7704] addrconf_add_dev+0xe2/0x170 [ 3779.476111][ T7704] inet6_addr_add+0x12f/0xa40 [ 3779.476111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.476111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.476111][ T7704] netlink_rcv_skb+0x130/0x360 [ 3779.476111][ T7704] netlink_unicast+0x449/0x710 [ 3779.476111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3779.476111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3779.476111][ T7704] ___sys_sendmsg+0xee/0x170 [ 3779.476111][ T7704] __sys_sendmsg+0xcd/0x170 [ 3779.476111][ T7704] do_syscall_64+0xc6/0x1e0 [ 3779.476111][ T7704] [ 3779.478322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3779.478322][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3779.478322][ T7704] ipv6_find_idev+0x102/0x170 [ 3779.478322][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3779.478322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.478322][ T7704] netlink_rcv_skb+0x130/0x360 [ 3779.478322][ T7704] netlink_unicast+0x449/0x710 [ 3779.478322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3779.478322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3779.478322][ T7704] ___sys_sendmsg+0xee/0x170 [ 3779.478322][ T7704] __sys_sendmsg+0xcd/0x170 [ 3779.478322][ T7704] do_syscall_64+0xc6/0x1e0 [ 3779.478322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.478322][ T7704] [ 3779.480067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3779.480067][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3779.480067][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3779.480067][ T7704] ipv6_find_idev+0x102/0x170 [ 3779.480067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3779.480067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.480067][ T7704] netlink_rcv_skb+0x130/0x360 [ 3779.480067][ T7704] netlink_unicast+0x449/0x710 [ 3779.480067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3779.480067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3779.480067][ T7704] ___sys_sendmsg+0xee/0x170 [ 3779.480067][ T7704] __sys_sendmsg+0xcd/0x170 [ 3779.480067][ T7704] do_syscall_64+0xc6/0x1e0 [ 3779.480067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.480067][ T7704] [ 3789.718906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3789.719421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3789.719421][ T7704] netdev_get_by_index+0x5e/0x80 [ 3789.719421][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3789.719421][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3789.719421][ T7704] ip6_route_add+0x1c/0x140 [ 3789.719421][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3789.719421][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3789.719421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.719421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.719421][ T7704] netlink_rcv_skb+0x130/0x360 [ 3789.719421][ T7704] netlink_unicast+0x449/0x710 [ 3789.719421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3789.719421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3789.719421][ T7704] ___sys_sendmsg+0xee/0x170 [ 3789.719421][ T7704] __sys_sendmsg+0xcd/0x170 [ 3789.719421][ T7704] do_syscall_64+0xc6/0x1e0 [ 3789.719421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.719421][ T7704] [ 3789.721924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3789.721924][ T7704] netdev_get_by_index+0x5e/0x80 [ 3789.721924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3789.721924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3789.721924][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3789.721924][ T7704] ipv6_add_addr+0x411/0x2000 [ 3789.721924][ T7704] inet6_addr_add+0x30e/0xa40 [ 3789.721924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.721924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.721924][ T7704] netlink_rcv_skb+0x130/0x360 [ 3789.721924][ T7704] netlink_unicast+0x449/0x710 [ 3789.721924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3789.721924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3789.721924][ T7704] ___sys_sendmsg+0xee/0x170 [ 3789.721924][ T7704] __sys_sendmsg+0xcd/0x170 [ 3789.721924][ T7704] do_syscall_64+0xc6/0x1e0 [ 3789.721924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.721924][ T7704] [ 3789.724388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3789.724388][ T7704] netdev_get_by_index+0x5e/0x80 [ 3789.724388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3789.724388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3789.724388][ T7704] ip6_route_add+0x1c/0x140 [ 3789.724388][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3789.724388][ T7704] addrconf_add_dev+0xe2/0x170 [ 3789.724388][ T7704] inet6_addr_add+0x12f/0xa40 [ 3789.724388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.724388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.724388][ T7704] netlink_rcv_skb+0x130/0x360 [ 3789.724388][ T7704] netlink_unicast+0x449/0x710 [ 3789.724388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3789.724388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3789.724388][ T7704] ___sys_sendmsg+0xee/0x170 [ 3789.724388][ T7704] __sys_sendmsg+0xcd/0x170 [ 3789.724388][ T7704] do_syscall_64+0xc6/0x1e0 [ 3789.724388][ T7704] [ 3789.726804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3789.726804][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3789.726804][ T7704] ipv6_find_idev+0x102/0x170 [ 3789.726804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.726804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.726804][ T7704] netlink_rcv_skb+0x130/0x360 [ 3789.726804][ T7704] netlink_unicast+0x449/0x710 [ 3789.726804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3789.726804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3789.726804][ T7704] ___sys_sendmsg+0xee/0x170 [ 3789.726804][ T7704] __sys_sendmsg+0xcd/0x170 [ 3789.726804][ T7704] do_syscall_64+0xc6/0x1e0 [ 3789.726804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.726804][ T7704] [ 3789.728714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3789.728714][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3789.728714][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3789.728714][ T7704] ipv6_find_idev+0x102/0x170 [ 3789.728714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.728714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.728714][ T7704] netlink_rcv_skb+0x130/0x360 [ 3789.728714][ T7704] netlink_unicast+0x449/0x710 [ 3789.728714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3789.728714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3789.728714][ T7704] ___sys_sendmsg+0xee/0x170 [ 3789.728714][ T7704] __sys_sendmsg+0xcd/0x170 [ 3789.728714][ T7704] do_syscall_64+0xc6/0x1e0 [ 3789.728714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.728714][ T7704] [ 3799.966998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3799.967537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3799.967537][ T7704] netdev_get_by_index+0x5e/0x80 [ 3799.967537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3799.967537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3799.967537][ T7704] ip6_route_add+0x1c/0x140 [ 3799.967537][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3799.967537][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3799.967537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.967537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.967537][ T7704] netlink_rcv_skb+0x130/0x360 [ 3799.967537][ T7704] netlink_unicast+0x449/0x710 [ 3799.967537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3799.967537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3799.967537][ T7704] ___sys_sendmsg+0xee/0x170 [ 3799.967537][ T7704] __sys_sendmsg+0xcd/0x170 [ 3799.967537][ T7704] do_syscall_64+0xc6/0x1e0 [ 3799.967537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.967537][ T7704] [ 3799.969831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3799.969831][ T7704] netdev_get_by_index+0x5e/0x80 [ 3799.969831][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3799.969831][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3799.969831][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3799.969831][ T7704] ipv6_add_addr+0x411/0x2000 [ 3799.969831][ T7704] inet6_addr_add+0x30e/0xa40 [ 3799.969831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.969831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.969831][ T7704] netlink_rcv_skb+0x130/0x360 [ 3799.969831][ T7704] netlink_unicast+0x449/0x710 [ 3799.969831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3799.969831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3799.969831][ T7704] ___sys_sendmsg+0xee/0x170 [ 3799.969831][ T7704] __sys_sendmsg+0xcd/0x170 [ 3799.969831][ T7704] do_syscall_64+0xc6/0x1e0 [ 3799.969831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.969831][ T7704] [ 3799.972144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3799.972144][ T7704] netdev_get_by_index+0x5e/0x80 [ 3799.972144][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3799.972144][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3799.972144][ T7704] ip6_route_add+0x1c/0x140 [ 3799.972144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3799.972144][ T7704] addrconf_add_dev+0xe2/0x170 [ 3799.972144][ T7704] inet6_addr_add+0x12f/0xa40 [ 3799.972144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.972144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.972144][ T7704] netlink_rcv_skb+0x130/0x360 [ 3799.972144][ T7704] netlink_unicast+0x449/0x710 [ 3799.972144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3799.972144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3799.972144][ T7704] ___sys_sendmsg+0xee/0x170 [ 3799.972144][ T7704] __sys_sendmsg+0xcd/0x170 [ 3799.972144][ T7704] do_syscall_64+0xc6/0x1e0 [ 3799.972144][ T7704] [ 3799.974369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3799.974369][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3799.974369][ T7704] ipv6_find_idev+0x102/0x170 [ 3799.974369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3799.974369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.974369][ T7704] netlink_rcv_skb+0x130/0x360 [ 3799.974369][ T7704] netlink_unicast+0x449/0x710 [ 3799.974369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3799.974369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3799.974369][ T7704] ___sys_sendmsg+0xee/0x170 [ 3799.974369][ T7704] __sys_sendmsg+0xcd/0x170 [ 3799.974369][ T7704] do_syscall_64+0xc6/0x1e0 [ 3799.974369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.974369][ T7704] [ 3799.976109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3799.976109][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3799.976109][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3799.976109][ T7704] ipv6_find_idev+0x102/0x170 [ 3799.976109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3799.976109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.976109][ T7704] netlink_rcv_skb+0x130/0x360 [ 3799.976109][ T7704] netlink_unicast+0x449/0x710 [ 3799.976109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3799.976109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3799.976109][ T7704] ___sys_sendmsg+0xee/0x170 [ 3799.976109][ T7704] __sys_sendmsg+0xcd/0x170 [ 3799.976109][ T7704] do_syscall_64+0xc6/0x1e0 [ 3799.976109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.976109][ T7704] [ 3810.142983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3810.143680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3810.143680][ T7704] netdev_get_by_index+0x5e/0x80 [ 3810.143680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3810.143680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3810.143680][ T7704] ip6_route_add+0x1c/0x140 [ 3810.143680][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3810.143680][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3810.143680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.143680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.143680][ T7704] netlink_rcv_skb+0x130/0x360 [ 3810.143680][ T7704] netlink_unicast+0x449/0x710 [ 3810.143680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3810.143680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3810.143680][ T7704] ___sys_sendmsg+0xee/0x170 [ 3810.143680][ T7704] __sys_sendmsg+0xcd/0x170 [ 3810.143680][ T7704] do_syscall_64+0xc6/0x1e0 [ 3810.143680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.143680][ T7704] [ 3810.147402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3810.147402][ T7704] netdev_get_by_index+0x5e/0x80 [ 3810.147402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3810.147402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3810.147402][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3810.147402][ T7704] ipv6_add_addr+0x411/0x2000 [ 3810.147402][ T7704] inet6_addr_add+0x30e/0xa40 [ 3810.147402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.147402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.147402][ T7704] netlink_rcv_skb+0x130/0x360 [ 3810.147402][ T7704] netlink_unicast+0x449/0x710 [ 3810.147402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3810.147402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3810.147402][ T7704] ___sys_sendmsg+0xee/0x170 [ 3810.147402][ T7704] __sys_sendmsg+0xcd/0x170 [ 3810.147402][ T7704] do_syscall_64+0xc6/0x1e0 [ 3810.147402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.147402][ T7704] [ 3810.151073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3810.151073][ T7704] netdev_get_by_index+0x5e/0x80 [ 3810.151073][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3810.151073][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3810.151073][ T7704] ip6_route_add+0x1c/0x140 [ 3810.151073][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3810.151073][ T7704] addrconf_add_dev+0xe2/0x170 [ 3810.151073][ T7704] inet6_addr_add+0x12f/0xa40 [ 3810.151073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.151073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.151073][ T7704] netlink_rcv_skb+0x130/0x360 [ 3810.151073][ T7704] netlink_unicast+0x449/0x710 [ 3810.151073][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3810.151073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3810.151073][ T7704] ___sys_sendmsg+0xee/0x170 [ 3810.151073][ T7704] __sys_sendmsg+0xcd/0x170 [ 3810.151073][ T7704] do_syscall_64+0xc6/0x1e0 [ 3810.151073][ T7704] [ 3810.154658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3810.154658][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3810.154658][ T7704] ipv6_find_idev+0x102/0x170 [ 3810.154658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3810.154658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.154658][ T7704] netlink_rcv_skb+0x130/0x360 [ 3810.154658][ T7704] netlink_unicast+0x449/0x710 [ 3810.154658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3810.154658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3810.154658][ T7704] ___sys_sendmsg+0xee/0x170 [ 3810.154658][ T7704] __sys_sendmsg+0xcd/0x170 [ 3810.154658][ T7704] do_syscall_64+0xc6/0x1e0 [ 3810.154658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.154658][ T7704] [ 3810.157468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3810.157468][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3810.157468][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3810.157468][ T7704] ipv6_find_idev+0x102/0x170 [ 3810.157468][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3810.157468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.157468][ T7704] netlink_rcv_skb+0x130/0x360 [ 3810.157468][ T7704] netlink_unicast+0x449/0x710 [ 3810.157468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3810.157468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3810.157468][ T7704] ___sys_sendmsg+0xee/0x170 [ 3810.157468][ T7704] __sys_sendmsg+0xcd/0x170 [ 3810.157468][ T7704] do_syscall_64+0xc6/0x1e0 [ 3810.157468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.157468][ T7704] [ 3820.398957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3820.399462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3820.399462][ T7704] netdev_get_by_index+0x5e/0x80 [ 3820.399462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3820.399462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3820.399462][ T7704] ip6_route_add+0x1c/0x140 [ 3820.399462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3820.399462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3820.399462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.399462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.399462][ T7704] netlink_rcv_skb+0x130/0x360 [ 3820.399462][ T7704] netlink_unicast+0x449/0x710 [ 3820.399462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3820.399462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3820.399462][ T7704] ___sys_sendmsg+0xee/0x170 [ 3820.399462][ T7704] __sys_sendmsg+0xcd/0x170 [ 3820.399462][ T7704] do_syscall_64+0xc6/0x1e0 [ 3820.399462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.399462][ T7704] [ 3820.402087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3820.402087][ T7704] netdev_get_by_index+0x5e/0x80 [ 3820.402087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3820.402087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3820.402087][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3820.402087][ T7704] ipv6_add_addr+0x411/0x2000 [ 3820.402087][ T7704] inet6_addr_add+0x30e/0xa40 [ 3820.402087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.402087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.402087][ T7704] netlink_rcv_skb+0x130/0x360 [ 3820.402087][ T7704] netlink_unicast+0x449/0x710 [ 3820.402087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3820.402087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3820.402087][ T7704] ___sys_sendmsg+0xee/0x170 [ 3820.402087][ T7704] __sys_sendmsg+0xcd/0x170 [ 3820.402087][ T7704] do_syscall_64+0xc6/0x1e0 [ 3820.402087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.402087][ T7704] [ 3820.404384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3820.404384][ T7704] netdev_get_by_index+0x5e/0x80 [ 3820.404384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3820.404384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3820.404384][ T7704] ip6_route_add+0x1c/0x140 [ 3820.404384][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3820.404384][ T7704] addrconf_add_dev+0xe2/0x170 [ 3820.404384][ T7704] inet6_addr_add+0x12f/0xa40 [ 3820.404384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.404384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.404384][ T7704] netlink_rcv_skb+0x130/0x360 [ 3820.404384][ T7704] netlink_unicast+0x449/0x710 [ 3820.404384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3820.404384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3820.404384][ T7704] ___sys_sendmsg+0xee/0x170 [ 3820.404384][ T7704] __sys_sendmsg+0xcd/0x170 [ 3820.404384][ T7704] do_syscall_64+0xc6/0x1e0 [ 3820.404384][ T7704] [ 3820.406588][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3820.406588][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3820.406588][ T7704] ipv6_find_idev+0x102/0x170 [ 3820.406588][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3820.406588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.406588][ T7704] netlink_rcv_skb+0x130/0x360 [ 3820.406588][ T7704] netlink_unicast+0x449/0x710 [ 3820.406588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3820.406588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3820.406588][ T7704] ___sys_sendmsg+0xee/0x170 [ 3820.406588][ T7704] __sys_sendmsg+0xcd/0x170 [ 3820.406588][ T7704] do_syscall_64+0xc6/0x1e0 [ 3820.406588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.406588][ T7704] [ 3820.408327][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3820.408327][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3820.408327][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3820.408327][ T7704] ipv6_find_idev+0x102/0x170 [ 3820.408327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3820.408327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.408327][ T7704] netlink_rcv_skb+0x130/0x360 [ 3820.408327][ T7704] netlink_unicast+0x449/0x710 [ 3820.408327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3820.408327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3820.408327][ T7704] ___sys_sendmsg+0xee/0x170 [ 3820.408327][ T7704] __sys_sendmsg+0xcd/0x170 [ 3820.408327][ T7704] do_syscall_64+0xc6/0x1e0 [ 3820.408327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.408327][ T7704] [ 3830.662879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3830.663389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3830.663389][ T7704] netdev_get_by_index+0x5e/0x80 [ 3830.663389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3830.663389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3830.663389][ T7704] ip6_route_add+0x1c/0x140 [ 3830.663389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3830.663389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3830.663389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.663389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.663389][ T7704] netlink_rcv_skb+0x130/0x360 [ 3830.663389][ T7704] netlink_unicast+0x449/0x710 [ 3830.663389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3830.663389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3830.663389][ T7704] ___sys_sendmsg+0xee/0x170 [ 3830.663389][ T7704] __sys_sendmsg+0xcd/0x170 [ 3830.663389][ T7704] do_syscall_64+0xc6/0x1e0 [ 3830.663389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.663389][ T7704] [ 3830.665680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3830.665680][ T7704] netdev_get_by_index+0x5e/0x80 [ 3830.665680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3830.665680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3830.665680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3830.665680][ T7704] ipv6_add_addr+0x411/0x2000 [ 3830.665680][ T7704] inet6_addr_add+0x30e/0xa40 [ 3830.665680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.665680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.665680][ T7704] netlink_rcv_skb+0x130/0x360 [ 3830.665680][ T7704] netlink_unicast+0x449/0x710 [ 3830.665680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3830.665680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3830.665680][ T7704] ___sys_sendmsg+0xee/0x170 [ 3830.665680][ T7704] __sys_sendmsg+0xcd/0x170 [ 3830.665680][ T7704] do_syscall_64+0xc6/0x1e0 [ 3830.665680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.665680][ T7704] [ 3830.667917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3830.667917][ T7704] netdev_get_by_index+0x5e/0x80 [ 3830.667917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3830.667917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3830.667917][ T7704] ip6_route_add+0x1c/0x140 [ 3830.667917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3830.667917][ T7704] addrconf_add_dev+0xe2/0x170 [ 3830.667917][ T7704] inet6_addr_add+0x12f/0xa40 [ 3830.667917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.667917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.667917][ T7704] netlink_rcv_skb+0x130/0x360 [ 3830.667917][ T7704] netlink_unicast+0x449/0x710 [ 3830.667917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3830.667917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3830.667917][ T7704] ___sys_sendmsg+0xee/0x170 [ 3830.667917][ T7704] __sys_sendmsg+0xcd/0x170 [ 3830.667917][ T7704] do_syscall_64+0xc6/0x1e0 [ 3830.667917][ T7704] [ 3830.670131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3830.670131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3830.670131][ T7704] ipv6_find_idev+0x102/0x170 [ 3830.670131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3830.670131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.670131][ T7704] netlink_rcv_skb+0x130/0x360 [ 3830.670131][ T7704] netlink_unicast+0x449/0x710 [ 3830.670131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3830.670131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3830.670131][ T7704] ___sys_sendmsg+0xee/0x170 [ 3830.670131][ T7704] __sys_sendmsg+0xcd/0x170 [ 3830.670131][ T7704] do_syscall_64+0xc6/0x1e0 [ 3830.670131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.670131][ T7704] [ 3830.671891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3830.671891][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3830.671891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3830.671891][ T7704] ipv6_find_idev+0x102/0x170 [ 3830.671891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3830.671891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.671891][ T7704] netlink_rcv_skb+0x130/0x360 [ 3830.671891][ T7704] netlink_unicast+0x449/0x710 [ 3830.671891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3830.671891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3830.671891][ T7704] ___sys_sendmsg+0xee/0x170 [ 3830.671891][ T7704] __sys_sendmsg+0xcd/0x170 [ 3830.671891][ T7704] do_syscall_64+0xc6/0x1e0 [ 3830.671891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.671891][ T7704] [ 3840.910929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3840.911640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3840.911640][ T7704] netdev_get_by_index+0x5e/0x80 [ 3840.911640][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3840.911640][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3840.911640][ T7704] ip6_route_add+0x1c/0x140 [ 3840.911640][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3840.911640][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3840.911640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.911640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.911640][ T7704] netlink_rcv_skb+0x130/0x360 [ 3840.911640][ T7704] netlink_unicast+0x449/0x710 [ 3840.911640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3840.911640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3840.911640][ T7704] ___sys_sendmsg+0xee/0x170 [ 3840.911640][ T7704] __sys_sendmsg+0xcd/0x170 [ 3840.911640][ T7704] do_syscall_64+0xc6/0x1e0 [ 3840.911640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.911640][ T7704] [ 3840.915401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3840.915401][ T7704] netdev_get_by_index+0x5e/0x80 [ 3840.915401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3840.915401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3840.915401][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3840.915401][ T7704] ipv6_add_addr+0x411/0x2000 [ 3840.915401][ T7704] inet6_addr_add+0x30e/0xa40 [ 3840.915401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.915401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.915401][ T7704] netlink_rcv_skb+0x130/0x360 [ 3840.915401][ T7704] netlink_unicast+0x449/0x710 [ 3840.915401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3840.915401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3840.915401][ T7704] ___sys_sendmsg+0xee/0x170 [ 3840.915401][ T7704] __sys_sendmsg+0xcd/0x170 [ 3840.915401][ T7704] do_syscall_64+0xc6/0x1e0 [ 3840.915401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.915401][ T7704] [ 3840.919142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3840.919142][ T7704] netdev_get_by_index+0x5e/0x80 [ 3840.919142][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3840.919142][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3840.919142][ T7704] ip6_route_add+0x1c/0x140 [ 3840.919142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3840.919142][ T7704] addrconf_add_dev+0xe2/0x170 [ 3840.919142][ T7704] inet6_addr_add+0x12f/0xa40 [ 3840.919142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.919142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.919142][ T7704] netlink_rcv_skb+0x130/0x360 [ 3840.919142][ T7704] netlink_unicast+0x449/0x710 [ 3840.919142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3840.919142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3840.919142][ T7704] ___sys_sendmsg+0xee/0x170 [ 3840.919142][ T7704] __sys_sendmsg+0xcd/0x170 [ 3840.919142][ T7704] do_syscall_64+0xc6/0x1e0 [ 3840.919142][ T7704] [ 3840.922780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3840.922780][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3840.922780][ T7704] ipv6_find_idev+0x102/0x170 [ 3840.922780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3840.922780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.922780][ T7704] netlink_rcv_skb+0x130/0x360 [ 3840.922780][ T7704] netlink_unicast+0x449/0x710 [ 3840.922780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3840.922780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3840.922780][ T7704] ___sys_sendmsg+0xee/0x170 [ 3840.922780][ T7704] __sys_sendmsg+0xcd/0x170 [ 3840.922780][ T7704] do_syscall_64+0xc6/0x1e0 [ 3840.922780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.922780][ T7704] [ 3840.925633][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3840.925633][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3840.925633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3840.925633][ T7704] ipv6_find_idev+0x102/0x170 [ 3840.925633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3840.925633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.925633][ T7704] netlink_rcv_skb+0x130/0x360 [ 3840.925633][ T7704] netlink_unicast+0x449/0x710 [ 3840.925633][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3840.925633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3840.925633][ T7704] ___sys_sendmsg+0xee/0x170 [ 3840.925633][ T7704] __sys_sendmsg+0xcd/0x170 [ 3840.925633][ T7704] do_syscall_64+0xc6/0x1e0 [ 3840.925633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.925633][ T7704] [ 3851.183004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3851.183480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3851.183480][ T7704] netdev_get_by_index+0x5e/0x80 [ 3851.183480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3851.183480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3851.183480][ T7704] ip6_route_add+0x1c/0x140 [ 3851.183480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3851.183480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3851.183480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.183480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.183480][ T7704] netlink_rcv_skb+0x130/0x360 [ 3851.183480][ T7704] netlink_unicast+0x449/0x710 [ 3851.183480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3851.183480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3851.183480][ T7704] ___sys_sendmsg+0xee/0x170 [ 3851.183480][ T7704] __sys_sendmsg+0xcd/0x170 [ 3851.183480][ T7704] do_syscall_64+0xc6/0x1e0 [ 3851.183480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.183480][ T7704] [ 3851.185794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3851.185794][ T7704] netdev_get_by_index+0x5e/0x80 [ 3851.185794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3851.185794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3851.185794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3851.185794][ T7704] ipv6_add_addr+0x411/0x2000 [ 3851.185794][ T7704] inet6_addr_add+0x30e/0xa40 [ 3851.185794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.185794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.185794][ T7704] netlink_rcv_skb+0x130/0x360 [ 3851.185794][ T7704] netlink_unicast+0x449/0x710 [ 3851.185794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3851.185794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3851.185794][ T7704] ___sys_sendmsg+0xee/0x170 [ 3851.185794][ T7704] __sys_sendmsg+0xcd/0x170 [ 3851.185794][ T7704] do_syscall_64+0xc6/0x1e0 [ 3851.185794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.185794][ T7704] [ 3851.188106][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3851.188106][ T7704] netdev_get_by_index+0x5e/0x80 [ 3851.188106][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3851.188106][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3851.188106][ T7704] ip6_route_add+0x1c/0x140 [ 3851.188106][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3851.188106][ T7704] addrconf_add_dev+0xe2/0x170 [ 3851.188106][ T7704] inet6_addr_add+0x12f/0xa40 [ 3851.188106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.188106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.188106][ T7704] netlink_rcv_skb+0x130/0x360 [ 3851.188106][ T7704] netlink_unicast+0x449/0x710 [ 3851.188106][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3851.188106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3851.188106][ T7704] ___sys_sendmsg+0xee/0x170 [ 3851.188106][ T7704] __sys_sendmsg+0xcd/0x170 [ 3851.188106][ T7704] do_syscall_64+0xc6/0x1e0 [ 3851.188106][ T7704] [ 3851.190334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3851.190334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3851.190334][ T7704] ipv6_find_idev+0x102/0x170 [ 3851.190334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3851.190334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.190334][ T7704] netlink_rcv_skb+0x130/0x360 [ 3851.190334][ T7704] netlink_unicast+0x449/0x710 [ 3851.190334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3851.190334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3851.190334][ T7704] ___sys_sendmsg+0xee/0x170 [ 3851.190334][ T7704] __sys_sendmsg+0xcd/0x170 [ 3851.190334][ T7704] do_syscall_64+0xc6/0x1e0 [ 3851.190334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.190334][ T7704] [ 3851.192082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3851.192082][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3851.192082][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3851.192082][ T7704] ipv6_find_idev+0x102/0x170 [ 3851.192082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3851.192082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.192082][ T7704] netlink_rcv_skb+0x130/0x360 [ 3851.192082][ T7704] netlink_unicast+0x449/0x710 [ 3851.192082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3851.192082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3851.192082][ T7704] ___sys_sendmsg+0xee/0x170 [ 3851.192082][ T7704] __sys_sendmsg+0xcd/0x170 [ 3851.192082][ T7704] do_syscall_64+0xc6/0x1e0 [ 3851.192082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.192082][ T7704] [ 3861.430941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3861.431493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3861.431493][ T7704] netdev_get_by_index+0x5e/0x80 [ 3861.431493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3861.431493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3861.431493][ T7704] ip6_route_add+0x1c/0x140 [ 3861.431493][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3861.431493][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3861.431493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.431493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.431493][ T7704] netlink_rcv_skb+0x130/0x360 [ 3861.431493][ T7704] netlink_unicast+0x449/0x710 [ 3861.431493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3861.431493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3861.431493][ T7704] ___sys_sendmsg+0xee/0x170 [ 3861.431493][ T7704] __sys_sendmsg+0xcd/0x170 [ 3861.431493][ T7704] do_syscall_64+0xc6/0x1e0 [ 3861.431493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.431493][ T7704] [ 3861.433772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3861.433772][ T7704] netdev_get_by_index+0x5e/0x80 [ 3861.433772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3861.433772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3861.433772][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3861.433772][ T7704] ipv6_add_addr+0x411/0x2000 [ 3861.433772][ T7704] inet6_addr_add+0x30e/0xa40 [ 3861.433772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.433772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.433772][ T7704] netlink_rcv_skb+0x130/0x360 [ 3861.433772][ T7704] netlink_unicast+0x449/0x710 [ 3861.433772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3861.433772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3861.433772][ T7704] ___sys_sendmsg+0xee/0x170 [ 3861.433772][ T7704] __sys_sendmsg+0xcd/0x170 [ 3861.433772][ T7704] do_syscall_64+0xc6/0x1e0 [ 3861.433772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.433772][ T7704] [ 3861.436078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3861.436078][ T7704] netdev_get_by_index+0x5e/0x80 [ 3861.436078][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3861.436078][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3861.436078][ T7704] ip6_route_add+0x1c/0x140 [ 3861.436078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3861.436078][ T7704] addrconf_add_dev+0xe2/0x170 [ 3861.436078][ T7704] inet6_addr_add+0x12f/0xa40 [ 3861.436078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.436078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.436078][ T7704] netlink_rcv_skb+0x130/0x360 [ 3861.436078][ T7704] netlink_unicast+0x449/0x710 [ 3861.436078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3861.436078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3861.436078][ T7704] ___sys_sendmsg+0xee/0x170 [ 3861.436078][ T7704] __sys_sendmsg+0xcd/0x170 [ 3861.436078][ T7704] do_syscall_64+0xc6/0x1e0 [ 3861.436078][ T7704] [ 3861.438298][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3861.438298][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3861.438298][ T7704] ipv6_find_idev+0x102/0x170 [ 3861.438298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3861.438298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.438298][ T7704] netlink_rcv_skb+0x130/0x360 [ 3861.438298][ T7704] netlink_unicast+0x449/0x710 [ 3861.438298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3861.438298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3861.438298][ T7704] ___sys_sendmsg+0xee/0x170 [ 3861.438298][ T7704] __sys_sendmsg+0xcd/0x170 [ 3861.438298][ T7704] do_syscall_64+0xc6/0x1e0 [ 3861.438298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.438298][ T7704] [ 3861.440024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3861.440024][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3861.440024][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3861.440024][ T7704] ipv6_find_idev+0x102/0x170 [ 3861.440024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3861.440024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.440024][ T7704] netlink_rcv_skb+0x130/0x360 [ 3861.440024][ T7704] netlink_unicast+0x449/0x710 [ 3861.440024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3861.440024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3861.440024][ T7704] ___sys_sendmsg+0xee/0x170 [ 3861.440024][ T7704] __sys_sendmsg+0xcd/0x170 [ 3861.440024][ T7704] do_syscall_64+0xc6/0x1e0 [ 3861.440024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.440024][ T7704] [ 3871.679000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3871.679487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3871.679487][ T7704] netdev_get_by_index+0x5e/0x80 [ 3871.679487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3871.679487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3871.679487][ T7704] ip6_route_add+0x1c/0x140 [ 3871.679487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3871.679487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3871.679487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.679487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.679487][ T7704] netlink_rcv_skb+0x130/0x360 [ 3871.679487][ T7704] netlink_unicast+0x449/0x710 [ 3871.679487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3871.679487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3871.679487][ T7704] ___sys_sendmsg+0xee/0x170 [ 3871.679487][ T7704] __sys_sendmsg+0xcd/0x170 [ 3871.679487][ T7704] do_syscall_64+0xc6/0x1e0 [ 3871.679487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.679487][ T7704] [ 3871.681801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3871.681801][ T7704] netdev_get_by_index+0x5e/0x80 [ 3871.681801][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3871.681801][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3871.681801][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3871.681801][ T7704] ipv6_add_addr+0x411/0x2000 [ 3871.681801][ T7704] inet6_addr_add+0x30e/0xa40 [ 3871.681801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.681801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.681801][ T7704] netlink_rcv_skb+0x130/0x360 [ 3871.681801][ T7704] netlink_unicast+0x449/0x710 [ 3871.681801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3871.681801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3871.681801][ T7704] ___sys_sendmsg+0xee/0x170 [ 3871.681801][ T7704] __sys_sendmsg+0xcd/0x170 [ 3871.681801][ T7704] do_syscall_64+0xc6/0x1e0 [ 3871.681801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.681801][ T7704] [ 3871.684038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3871.684038][ T7704] netdev_get_by_index+0x5e/0x80 [ 3871.684038][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3871.684038][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3871.684038][ T7704] ip6_route_add+0x1c/0x140 [ 3871.684038][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3871.684038][ T7704] addrconf_add_dev+0xe2/0x170 [ 3871.684038][ T7704] inet6_addr_add+0x12f/0xa40 [ 3871.684038][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.684038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.684038][ T7704] netlink_rcv_skb+0x130/0x360 [ 3871.684038][ T7704] netlink_unicast+0x449/0x710 [ 3871.684038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3871.684038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3871.684038][ T7704] ___sys_sendmsg+0xee/0x170 [ 3871.684038][ T7704] __sys_sendmsg+0xcd/0x170 [ 3871.684038][ T7704] do_syscall_64+0xc6/0x1e0 [ 3871.684038][ T7704] [ 3871.686253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3871.686253][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3871.686253][ T7704] ipv6_find_idev+0x102/0x170 [ 3871.686253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3871.686253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.686253][ T7704] netlink_rcv_skb+0x130/0x360 [ 3871.686253][ T7704] netlink_unicast+0x449/0x710 [ 3871.686253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3871.686253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3871.686253][ T7704] ___sys_sendmsg+0xee/0x170 [ 3871.686253][ T7704] __sys_sendmsg+0xcd/0x170 [ 3871.686253][ T7704] do_syscall_64+0xc6/0x1e0 [ 3871.686253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.686253][ T7704] [ 3871.687979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3871.687979][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3871.687979][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3871.687979][ T7704] ipv6_find_idev+0x102/0x170 [ 3871.687979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3871.687979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.687979][ T7704] netlink_rcv_skb+0x130/0x360 [ 3871.687979][ T7704] netlink_unicast+0x449/0x710 [ 3871.687979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3871.687979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3871.687979][ T7704] ___sys_sendmsg+0xee/0x170 [ 3871.687979][ T7704] __sys_sendmsg+0xcd/0x170 [ 3871.687979][ T7704] do_syscall_64+0xc6/0x1e0 [ 3871.687979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.687979][ T7704] [ 3881.926965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3881.927415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3881.927415][ T7704] netdev_get_by_index+0x5e/0x80 [ 3881.927415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3881.927415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3881.927415][ T7704] ip6_route_add+0x1c/0x140 [ 3881.927415][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3881.927415][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3881.927415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.927415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.927415][ T7704] netlink_rcv_skb+0x130/0x360 [ 3881.927415][ T7704] netlink_unicast+0x449/0x710 [ 3881.927415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3881.927415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3881.927415][ T7704] ___sys_sendmsg+0xee/0x170 [ 3881.927415][ T7704] __sys_sendmsg+0xcd/0x170 [ 3881.927415][ T7704] do_syscall_64+0xc6/0x1e0 [ 3881.927415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.927415][ T7704] [ 3881.929728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3881.929728][ T7704] netdev_get_by_index+0x5e/0x80 [ 3881.929728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3881.929728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3881.929728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3881.929728][ T7704] ipv6_add_addr+0x411/0x2000 [ 3881.929728][ T7704] inet6_addr_add+0x30e/0xa40 [ 3881.929728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.929728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.929728][ T7704] netlink_rcv_skb+0x130/0x360 [ 3881.929728][ T7704] netlink_unicast+0x449/0x710 [ 3881.929728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3881.929728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3881.929728][ T7704] ___sys_sendmsg+0xee/0x170 [ 3881.929728][ T7704] __sys_sendmsg+0xcd/0x170 [ 3881.929728][ T7704] do_syscall_64+0xc6/0x1e0 [ 3881.929728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.929728][ T7704] [ 3881.932050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3881.932050][ T7704] netdev_get_by_index+0x5e/0x80 [ 3881.932050][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3881.932050][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3881.932050][ T7704] ip6_route_add+0x1c/0x140 [ 3881.932050][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3881.932050][ T7704] addrconf_add_dev+0xe2/0x170 [ 3881.932050][ T7704] inet6_addr_add+0x12f/0xa40 [ 3881.932050][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.932050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.932050][ T7704] netlink_rcv_skb+0x130/0x360 [ 3881.932050][ T7704] netlink_unicast+0x449/0x710 [ 3881.932050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3881.932050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3881.932050][ T7704] ___sys_sendmsg+0xee/0x170 [ 3881.932050][ T7704] __sys_sendmsg+0xcd/0x170 [ 3881.932050][ T7704] do_syscall_64+0xc6/0x1e0 [ 3881.932050][ T7704] [ 3881.934281][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3881.934281][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3881.934281][ T7704] ipv6_find_idev+0x102/0x170 [ 3881.934281][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3881.934281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.934281][ T7704] netlink_rcv_skb+0x130/0x360 [ 3881.934281][ T7704] netlink_unicast+0x449/0x710 [ 3881.934281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3881.934281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3881.934281][ T7704] ___sys_sendmsg+0xee/0x170 [ 3881.934281][ T7704] __sys_sendmsg+0xcd/0x170 [ 3881.934281][ T7704] do_syscall_64+0xc6/0x1e0 [ 3881.934281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.934281][ T7704] [ 3881.936033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3881.936033][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3881.936033][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3881.936033][ T7704] ipv6_find_idev+0x102/0x170 [ 3881.936033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3881.936033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.936033][ T7704] netlink_rcv_skb+0x130/0x360 [ 3881.936033][ T7704] netlink_unicast+0x449/0x710 [ 3881.936033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3881.936033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3881.936033][ T7704] ___sys_sendmsg+0xee/0x170 [ 3881.936033][ T7704] __sys_sendmsg+0xcd/0x170 [ 3881.936033][ T7704] do_syscall_64+0xc6/0x1e0 [ 3881.936033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.936033][ T7704] [ 3892.174962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3892.175429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3892.175429][ T7704] netdev_get_by_index+0x5e/0x80 [ 3892.175429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3892.175429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3892.175429][ T7704] ip6_route_add+0x1c/0x140 [ 3892.175429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3892.175429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3892.175429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.175429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.175429][ T7704] netlink_rcv_skb+0x130/0x360 [ 3892.175429][ T7704] netlink_unicast+0x449/0x710 [ 3892.175429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3892.175429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3892.175429][ T7704] ___sys_sendmsg+0xee/0x170 [ 3892.175429][ T7704] __sys_sendmsg+0xcd/0x170 [ 3892.175429][ T7704] do_syscall_64+0xc6/0x1e0 [ 3892.175429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.175429][ T7704] [ 3892.177720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3892.177720][ T7704] netdev_get_by_index+0x5e/0x80 [ 3892.177720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3892.177720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3892.177720][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3892.177720][ T7704] ipv6_add_addr+0x411/0x2000 [ 3892.177720][ T7704] inet6_addr_add+0x30e/0xa40 [ 3892.177720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.177720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.177720][ T7704] netlink_rcv_skb+0x130/0x360 [ 3892.177720][ T7704] netlink_unicast+0x449/0x710 [ 3892.177720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3892.177720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3892.177720][ T7704] ___sys_sendmsg+0xee/0x170 [ 3892.177720][ T7704] __sys_sendmsg+0xcd/0x170 [ 3892.177720][ T7704] do_syscall_64+0xc6/0x1e0 [ 3892.177720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.177720][ T7704] [ 3892.179998][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3892.179998][ T7704] netdev_get_by_index+0x5e/0x80 [ 3892.179998][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3892.179998][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3892.179998][ T7704] ip6_route_add+0x1c/0x140 [ 3892.179998][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3892.179998][ T7704] addrconf_add_dev+0xe2/0x170 [ 3892.179998][ T7704] inet6_addr_add+0x12f/0xa40 [ 3892.179998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.179998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.179998][ T7704] netlink_rcv_skb+0x130/0x360 [ 3892.179998][ T7704] netlink_unicast+0x449/0x710 [ 3892.179998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3892.179998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3892.179998][ T7704] ___sys_sendmsg+0xee/0x170 [ 3892.179998][ T7704] __sys_sendmsg+0xcd/0x170 [ 3892.179998][ T7704] do_syscall_64+0xc6/0x1e0 [ 3892.179998][ T7704] [ 3892.182212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3892.182212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3892.182212][ T7704] ipv6_find_idev+0x102/0x170 [ 3892.182212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3892.182212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.182212][ T7704] netlink_rcv_skb+0x130/0x360 [ 3892.182212][ T7704] netlink_unicast+0x449/0x710 [ 3892.182212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3892.182212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3892.182212][ T7704] ___sys_sendmsg+0xee/0x170 [ 3892.182212][ T7704] __sys_sendmsg+0xcd/0x170 [ 3892.182212][ T7704] do_syscall_64+0xc6/0x1e0 [ 3892.182212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.182212][ T7704] [ 3892.183944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3892.183944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3892.183944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3892.183944][ T7704] ipv6_find_idev+0x102/0x170 [ 3892.183944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3892.183944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.183944][ T7704] netlink_rcv_skb+0x130/0x360 [ 3892.183944][ T7704] netlink_unicast+0x449/0x710 [ 3892.183944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3892.183944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3892.183944][ T7704] ___sys_sendmsg+0xee/0x170 [ 3892.183944][ T7704] __sys_sendmsg+0xcd/0x170 [ 3892.183944][ T7704] do_syscall_64+0xc6/0x1e0 [ 3892.183944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.183944][ T7704] [ 3902.422964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3902.423468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3902.423468][ T7704] netdev_get_by_index+0x5e/0x80 [ 3902.423468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3902.423468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3902.423468][ T7704] ip6_route_add+0x1c/0x140 [ 3902.423468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3902.423468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3902.423468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.423468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.423468][ T7704] netlink_rcv_skb+0x130/0x360 [ 3902.423468][ T7704] netlink_unicast+0x449/0x710 [ 3902.423468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3902.423468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3902.423468][ T7704] ___sys_sendmsg+0xee/0x170 [ 3902.423468][ T7704] __sys_sendmsg+0xcd/0x170 [ 3902.423468][ T7704] do_syscall_64+0xc6/0x1e0 [ 3902.423468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.423468][ T7704] [ 3902.425802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3902.425802][ T7704] netdev_get_by_index+0x5e/0x80 [ 3902.425802][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3902.425802][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3902.425802][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3902.425802][ T7704] ipv6_add_addr+0x411/0x2000 [ 3902.425802][ T7704] inet6_addr_add+0x30e/0xa40 [ 3902.425802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.425802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.425802][ T7704] netlink_rcv_skb+0x130/0x360 [ 3902.425802][ T7704] netlink_unicast+0x449/0x710 [ 3902.425802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3902.425802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3902.425802][ T7704] ___sys_sendmsg+0xee/0x170 [ 3902.425802][ T7704] __sys_sendmsg+0xcd/0x170 [ 3902.425802][ T7704] do_syscall_64+0xc6/0x1e0 [ 3902.425802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.425802][ T7704] [ 3902.428158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3902.428158][ T7704] netdev_get_by_index+0x5e/0x80 [ 3902.428158][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3902.428158][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3902.428158][ T7704] ip6_route_add+0x1c/0x140 [ 3902.428158][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3902.428158][ T7704] addrconf_add_dev+0xe2/0x170 [ 3902.428158][ T7704] inet6_addr_add+0x12f/0xa40 [ 3902.428158][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.428158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.428158][ T7704] netlink_rcv_skb+0x130/0x360 [ 3902.428158][ T7704] netlink_unicast+0x449/0x710 [ 3902.428158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3902.428158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3902.428158][ T7704] ___sys_sendmsg+0xee/0x170 [ 3902.428158][ T7704] __sys_sendmsg+0xcd/0x170 [ 3902.428158][ T7704] do_syscall_64+0xc6/0x1e0 [ 3902.428158][ T7704] [ 3902.430376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3902.430376][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3902.430376][ T7704] ipv6_find_idev+0x102/0x170 [ 3902.430376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3902.430376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.430376][ T7704] netlink_rcv_skb+0x130/0x360 [ 3902.430376][ T7704] netlink_unicast+0x449/0x710 [ 3902.430376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3902.430376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3902.430376][ T7704] ___sys_sendmsg+0xee/0x170 [ 3902.430376][ T7704] __sys_sendmsg+0xcd/0x170 [ 3902.430376][ T7704] do_syscall_64+0xc6/0x1e0 [ 3902.430376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.430376][ T7704] [ 3902.432119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3902.432119][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3902.432119][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3902.432119][ T7704] ipv6_find_idev+0x102/0x170 [ 3902.432119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3902.432119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.432119][ T7704] netlink_rcv_skb+0x130/0x360 [ 3902.432119][ T7704] netlink_unicast+0x449/0x710 [ 3902.432119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3902.432119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3902.432119][ T7704] ___sys_sendmsg+0xee/0x170 [ 3902.432119][ T7704] __sys_sendmsg+0xcd/0x170 [ 3902.432119][ T7704] do_syscall_64+0xc6/0x1e0 [ 3902.432119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.432119][ T7704] [ 3912.671021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3912.671503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3912.671503][ T7704] netdev_get_by_index+0x5e/0x80 [ 3912.671503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3912.671503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3912.671503][ T7704] ip6_route_add+0x1c/0x140 [ 3912.671503][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3912.671503][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3912.671503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.671503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.671503][ T7704] netlink_rcv_skb+0x130/0x360 [ 3912.671503][ T7704] netlink_unicast+0x449/0x710 [ 3912.671503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3912.671503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3912.671503][ T7704] ___sys_sendmsg+0xee/0x170 [ 3912.671503][ T7704] __sys_sendmsg+0xcd/0x170 [ 3912.671503][ T7704] do_syscall_64+0xc6/0x1e0 [ 3912.671503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.671503][ T7704] [ 3912.673778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3912.673778][ T7704] netdev_get_by_index+0x5e/0x80 [ 3912.673778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3912.673778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3912.673778][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3912.673778][ T7704] ipv6_add_addr+0x411/0x2000 [ 3912.673778][ T7704] inet6_addr_add+0x30e/0xa40 [ 3912.673778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.673778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.673778][ T7704] netlink_rcv_skb+0x130/0x360 [ 3912.673778][ T7704] netlink_unicast+0x449/0x710 [ 3912.673778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3912.673778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3912.673778][ T7704] ___sys_sendmsg+0xee/0x170 [ 3912.673778][ T7704] __sys_sendmsg+0xcd/0x170 [ 3912.673778][ T7704] do_syscall_64+0xc6/0x1e0 [ 3912.673778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.673778][ T7704] [ 3912.676026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3912.676026][ T7704] netdev_get_by_index+0x5e/0x80 [ 3912.676026][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3912.676026][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3912.676026][ T7704] ip6_route_add+0x1c/0x140 [ 3912.676026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3912.676026][ T7704] addrconf_add_dev+0xe2/0x170 [ 3912.676026][ T7704] inet6_addr_add+0x12f/0xa40 [ 3912.676026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.676026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.676026][ T7704] netlink_rcv_skb+0x130/0x360 [ 3912.676026][ T7704] netlink_unicast+0x449/0x710 [ 3912.676026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3912.676026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3912.676026][ T7704] ___sys_sendmsg+0xee/0x170 [ 3912.676026][ T7704] __sys_sendmsg+0xcd/0x170 [ 3912.676026][ T7704] do_syscall_64+0xc6/0x1e0 [ 3912.676026][ T7704] [ 3912.678253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3912.678253][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3912.678253][ T7704] ipv6_find_idev+0x102/0x170 [ 3912.678253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3912.678253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.678253][ T7704] netlink_rcv_skb+0x130/0x360 [ 3912.678253][ T7704] netlink_unicast+0x449/0x710 [ 3912.678253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3912.678253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3912.678253][ T7704] ___sys_sendmsg+0xee/0x170 [ 3912.678253][ T7704] __sys_sendmsg+0xcd/0x170 [ 3912.678253][ T7704] do_syscall_64+0xc6/0x1e0 [ 3912.678253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.678253][ T7704] [ 3912.679975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3912.679975][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3912.679975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3912.679975][ T7704] ipv6_find_idev+0x102/0x170 [ 3912.679975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3912.679975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.679975][ T7704] netlink_rcv_skb+0x130/0x360 [ 3912.679975][ T7704] netlink_unicast+0x449/0x710 [ 3912.679975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3912.679975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3912.679975][ T7704] ___sys_sendmsg+0xee/0x170 [ 3912.679975][ T7704] __sys_sendmsg+0xcd/0x170 [ 3912.679975][ T7704] do_syscall_64+0xc6/0x1e0 [ 3912.679975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.679975][ T7704] [ 3922.918954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3922.919399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3922.919399][ T7704] netdev_get_by_index+0x5e/0x80 [ 3922.919399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3922.919399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3922.919399][ T7704] ip6_route_add+0x1c/0x140 [ 3922.919399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3922.919399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3922.919399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.919399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.919399][ T7704] netlink_rcv_skb+0x130/0x360 [ 3922.919399][ T7704] netlink_unicast+0x449/0x710 [ 3922.919399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3922.919399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3922.919399][ T7704] ___sys_sendmsg+0xee/0x170 [ 3922.919399][ T7704] __sys_sendmsg+0xcd/0x170 [ 3922.919399][ T7704] do_syscall_64+0xc6/0x1e0 [ 3922.919399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.919399][ T7704] [ 3922.921723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3922.921723][ T7704] netdev_get_by_index+0x5e/0x80 [ 3922.921723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3922.921723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3922.921723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3922.921723][ T7704] ipv6_add_addr+0x411/0x2000 [ 3922.921723][ T7704] inet6_addr_add+0x30e/0xa40 [ 3922.921723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.921723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.921723][ T7704] netlink_rcv_skb+0x130/0x360 [ 3922.921723][ T7704] netlink_unicast+0x449/0x710 [ 3922.921723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3922.921723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3922.921723][ T7704] ___sys_sendmsg+0xee/0x170 [ 3922.921723][ T7704] __sys_sendmsg+0xcd/0x170 [ 3922.921723][ T7704] do_syscall_64+0xc6/0x1e0 [ 3922.921723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.921723][ T7704] [ 3922.923969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3922.923969][ T7704] netdev_get_by_index+0x5e/0x80 [ 3922.923969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3922.923969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3922.923969][ T7704] ip6_route_add+0x1c/0x140 [ 3922.923969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3922.923969][ T7704] addrconf_add_dev+0xe2/0x170 [ 3922.923969][ T7704] inet6_addr_add+0x12f/0xa40 [ 3922.923969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.923969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.923969][ T7704] netlink_rcv_skb+0x130/0x360 [ 3922.923969][ T7704] netlink_unicast+0x449/0x710 [ 3922.923969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3922.923969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3922.923969][ T7704] ___sys_sendmsg+0xee/0x170 [ 3922.923969][ T7704] __sys_sendmsg+0xcd/0x170 [ 3922.923969][ T7704] do_syscall_64+0xc6/0x1e0 [ 3922.923969][ T7704] [ 3922.926167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3922.926167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3922.926167][ T7704] ipv6_find_idev+0x102/0x170 [ 3922.926167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3922.926167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.926167][ T7704] netlink_rcv_skb+0x130/0x360 [ 3922.926167][ T7704] netlink_unicast+0x449/0x710 [ 3922.926167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3922.926167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3922.926167][ T7704] ___sys_sendmsg+0xee/0x170 [ 3922.926167][ T7704] __sys_sendmsg+0xcd/0x170 [ 3922.926167][ T7704] do_syscall_64+0xc6/0x1e0 [ 3922.926167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.926167][ T7704] [ 3922.927897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3922.927897][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3922.927897][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3922.927897][ T7704] ipv6_find_idev+0x102/0x170 [ 3922.927897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3922.927897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.927897][ T7704] netlink_rcv_skb+0x130/0x360 [ 3922.927897][ T7704] netlink_unicast+0x449/0x710 [ 3922.927897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3922.927897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3922.927897][ T7704] ___sys_sendmsg+0xee/0x170 [ 3922.927897][ T7704] __sys_sendmsg+0xcd/0x170 [ 3922.927897][ T7704] do_syscall_64+0xc6/0x1e0 [ 3922.927897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.927897][ T7704] [ 3933.166954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3933.167495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3933.167495][ T7704] netdev_get_by_index+0x5e/0x80 [ 3933.167495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3933.167495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3933.167495][ T7704] ip6_route_add+0x1c/0x140 [ 3933.167495][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3933.167495][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3933.167495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.167495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.167495][ T7704] netlink_rcv_skb+0x130/0x360 [ 3933.167495][ T7704] netlink_unicast+0x449/0x710 [ 3933.167495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3933.167495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3933.167495][ T7704] ___sys_sendmsg+0xee/0x170 [ 3933.167495][ T7704] __sys_sendmsg+0xcd/0x170 [ 3933.167495][ T7704] do_syscall_64+0xc6/0x1e0 [ 3933.167495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.167495][ T7704] [ 3933.169780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3933.169780][ T7704] netdev_get_by_index+0x5e/0x80 [ 3933.169780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3933.169780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3933.169780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3933.169780][ T7704] ipv6_add_addr+0x411/0x2000 [ 3933.169780][ T7704] inet6_addr_add+0x30e/0xa40 [ 3933.169780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.169780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.169780][ T7704] netlink_rcv_skb+0x130/0x360 [ 3933.169780][ T7704] netlink_unicast+0x449/0x710 [ 3933.169780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3933.169780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3933.169780][ T7704] ___sys_sendmsg+0xee/0x170 [ 3933.169780][ T7704] __sys_sendmsg+0xcd/0x170 [ 3933.169780][ T7704] do_syscall_64+0xc6/0x1e0 [ 3933.169780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.169780][ T7704] [ 3933.172058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3933.172058][ T7704] netdev_get_by_index+0x5e/0x80 [ 3933.172058][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3933.172058][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3933.172058][ T7704] ip6_route_add+0x1c/0x140 [ 3933.172058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3933.172058][ T7704] addrconf_add_dev+0xe2/0x170 [ 3933.172058][ T7704] inet6_addr_add+0x12f/0xa40 [ 3933.172058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.172058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.172058][ T7704] netlink_rcv_skb+0x130/0x360 [ 3933.172058][ T7704] netlink_unicast+0x449/0x710 [ 3933.172058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3933.172058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3933.172058][ T7704] ___sys_sendmsg+0xee/0x170 [ 3933.172058][ T7704] __sys_sendmsg+0xcd/0x170 [ 3933.172058][ T7704] do_syscall_64+0xc6/0x1e0 [ 3933.172058][ T7704] [ 3933.174263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3933.174263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3933.174263][ T7704] ipv6_find_idev+0x102/0x170 [ 3933.174263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3933.174263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.174263][ T7704] netlink_rcv_skb+0x130/0x360 [ 3933.174263][ T7704] netlink_unicast+0x449/0x710 [ 3933.174263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3933.174263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3933.174263][ T7704] ___sys_sendmsg+0xee/0x170 [ 3933.174263][ T7704] __sys_sendmsg+0xcd/0x170 [ 3933.174263][ T7704] do_syscall_64+0xc6/0x1e0 [ 3933.174263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.174263][ T7704] [ 3933.175978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3933.175978][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3933.175978][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3933.175978][ T7704] ipv6_find_idev+0x102/0x170 [ 3933.175978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3933.175978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.175978][ T7704] netlink_rcv_skb+0x130/0x360 [ 3933.175978][ T7704] netlink_unicast+0x449/0x710 [ 3933.175978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3933.175978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3933.175978][ T7704] ___sys_sendmsg+0xee/0x170 [ 3933.175978][ T7704] __sys_sendmsg+0xcd/0x170 [ 3933.175978][ T7704] do_syscall_64+0xc6/0x1e0 [ 3933.175978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.175978][ T7704] [ 3943.414929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3943.415472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3943.415472][ T7704] netdev_get_by_index+0x5e/0x80 [ 3943.415472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3943.415472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3943.415472][ T7704] ip6_route_add+0x1c/0x140 [ 3943.415472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3943.415472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3943.415472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.415472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.415472][ T7704] netlink_rcv_skb+0x130/0x360 [ 3943.415472][ T7704] netlink_unicast+0x449/0x710 [ 3943.415472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3943.415472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3943.415472][ T7704] ___sys_sendmsg+0xee/0x170 [ 3943.415472][ T7704] __sys_sendmsg+0xcd/0x170 [ 3943.415472][ T7704] do_syscall_64+0xc6/0x1e0 [ 3943.415472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.415472][ T7704] [ 3943.417886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3943.417886][ T7704] netdev_get_by_index+0x5e/0x80 [ 3943.417886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3943.417886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3943.417886][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3943.417886][ T7704] ipv6_add_addr+0x411/0x2000 [ 3943.417886][ T7704] inet6_addr_add+0x30e/0xa40 [ 3943.417886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.417886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.417886][ T7704] netlink_rcv_skb+0x130/0x360 [ 3943.417886][ T7704] netlink_unicast+0x449/0x710 [ 3943.417886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3943.417886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3943.417886][ T7704] ___sys_sendmsg+0xee/0x170 [ 3943.417886][ T7704] __sys_sendmsg+0xcd/0x170 [ 3943.417886][ T7704] do_syscall_64+0xc6/0x1e0 [ 3943.417886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.417886][ T7704] [ 3943.420202][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3943.420202][ T7704] netdev_get_by_index+0x5e/0x80 [ 3943.420202][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3943.420202][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3943.420202][ T7704] ip6_route_add+0x1c/0x140 [ 3943.420202][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3943.420202][ T7704] addrconf_add_dev+0xe2/0x170 [ 3943.420202][ T7704] inet6_addr_add+0x12f/0xa40 [ 3943.420202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.420202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.420202][ T7704] netlink_rcv_skb+0x130/0x360 [ 3943.420202][ T7704] netlink_unicast+0x449/0x710 [ 3943.420202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3943.420202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3943.420202][ T7704] ___sys_sendmsg+0xee/0x170 [ 3943.420202][ T7704] __sys_sendmsg+0xcd/0x170 [ 3943.420202][ T7704] do_syscall_64+0xc6/0x1e0 [ 3943.420202][ T7704] [ 3943.422450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3943.422450][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3943.422450][ T7704] ipv6_find_idev+0x102/0x170 [ 3943.422450][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3943.422450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.422450][ T7704] netlink_rcv_skb+0x130/0x360 [ 3943.422450][ T7704] netlink_unicast+0x449/0x710 [ 3943.422450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3943.422450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3943.422450][ T7704] ___sys_sendmsg+0xee/0x170 [ 3943.422450][ T7704] __sys_sendmsg+0xcd/0x170 [ 3943.422450][ T7704] do_syscall_64+0xc6/0x1e0 [ 3943.422450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.422450][ T7704] [ 3943.424200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3943.424200][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3943.424200][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3943.424200][ T7704] ipv6_find_idev+0x102/0x170 [ 3943.424200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3943.424200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.424200][ T7704] netlink_rcv_skb+0x130/0x360 [ 3943.424200][ T7704] netlink_unicast+0x449/0x710 [ 3943.424200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3943.424200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3943.424200][ T7704] ___sys_sendmsg+0xee/0x170 [ 3943.424200][ T7704] __sys_sendmsg+0xcd/0x170 [ 3943.424200][ T7704] do_syscall_64+0xc6/0x1e0 [ 3943.424200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.424200][ T7704] [ 3953.662889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3953.663356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3953.663356][ T7704] netdev_get_by_index+0x5e/0x80 [ 3953.663356][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3953.663356][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3953.663356][ T7704] ip6_route_add+0x1c/0x140 [ 3953.663356][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3953.663356][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3953.663356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.663356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.663356][ T7704] netlink_rcv_skb+0x130/0x360 [ 3953.663356][ T7704] netlink_unicast+0x449/0x710 [ 3953.663356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3953.663356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3953.663356][ T7704] ___sys_sendmsg+0xee/0x170 [ 3953.663356][ T7704] __sys_sendmsg+0xcd/0x170 [ 3953.663356][ T7704] do_syscall_64+0xc6/0x1e0 [ 3953.663356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.663356][ T7704] [ 3953.665677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3953.665677][ T7704] netdev_get_by_index+0x5e/0x80 [ 3953.665677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3953.665677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3953.665677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3953.665677][ T7704] ipv6_add_addr+0x411/0x2000 [ 3953.665677][ T7704] inet6_addr_add+0x30e/0xa40 [ 3953.665677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.665677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.665677][ T7704] netlink_rcv_skb+0x130/0x360 [ 3953.665677][ T7704] netlink_unicast+0x449/0x710 [ 3953.665677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3953.665677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3953.665677][ T7704] ___sys_sendmsg+0xee/0x170 [ 3953.665677][ T7704] __sys_sendmsg+0xcd/0x170 [ 3953.665677][ T7704] do_syscall_64+0xc6/0x1e0 [ 3953.665677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.665677][ T7704] [ 3953.667958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3953.667958][ T7704] netdev_get_by_index+0x5e/0x80 [ 3953.667958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3953.667958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3953.667958][ T7704] ip6_route_add+0x1c/0x140 [ 3953.667958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3953.667958][ T7704] addrconf_add_dev+0xe2/0x170 [ 3953.667958][ T7704] inet6_addr_add+0x12f/0xa40 [ 3953.667958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.667958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.667958][ T7704] netlink_rcv_skb+0x130/0x360 [ 3953.667958][ T7704] netlink_unicast+0x449/0x710 [ 3953.667958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3953.667958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3953.667958][ T7704] ___sys_sendmsg+0xee/0x170 [ 3953.667958][ T7704] __sys_sendmsg+0xcd/0x170 [ 3953.667958][ T7704] do_syscall_64+0xc6/0x1e0 [ 3953.667958][ T7704] [ 3953.670176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3953.670176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3953.670176][ T7704] ipv6_find_idev+0x102/0x170 [ 3953.670176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3953.670176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.670176][ T7704] netlink_rcv_skb+0x130/0x360 [ 3953.670176][ T7704] netlink_unicast+0x449/0x710 [ 3953.670176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3953.670176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3953.670176][ T7704] ___sys_sendmsg+0xee/0x170 [ 3953.670176][ T7704] __sys_sendmsg+0xcd/0x170 [ 3953.670176][ T7704] do_syscall_64+0xc6/0x1e0 [ 3953.670176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.670176][ T7704] [ 3953.671934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3953.671934][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3953.671934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3953.671934][ T7704] ipv6_find_idev+0x102/0x170 [ 3953.671934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3953.671934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.671934][ T7704] netlink_rcv_skb+0x130/0x360 [ 3953.671934][ T7704] netlink_unicast+0x449/0x710 [ 3953.671934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3953.671934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3953.671934][ T7704] ___sys_sendmsg+0xee/0x170 [ 3953.671934][ T7704] __sys_sendmsg+0xcd/0x170 [ 3953.671934][ T7704] do_syscall_64+0xc6/0x1e0 [ 3953.671934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.671934][ T7704] [ 3963.911002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3963.911473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3963.911473][ T7704] netdev_get_by_index+0x5e/0x80 [ 3963.911473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3963.911473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3963.911473][ T7704] ip6_route_add+0x1c/0x140 [ 3963.911473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3963.911473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3963.911473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.911473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.911473][ T7704] netlink_rcv_skb+0x130/0x360 [ 3963.911473][ T7704] netlink_unicast+0x449/0x710 [ 3963.911473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3963.911473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3963.911473][ T7704] ___sys_sendmsg+0xee/0x170 [ 3963.911473][ T7704] __sys_sendmsg+0xcd/0x170 [ 3963.911473][ T7704] do_syscall_64+0xc6/0x1e0 [ 3963.911473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.911473][ T7704] [ 3963.913825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3963.913825][ T7704] netdev_get_by_index+0x5e/0x80 [ 3963.913825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3963.913825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3963.913825][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3963.913825][ T7704] ipv6_add_addr+0x411/0x2000 [ 3963.913825][ T7704] inet6_addr_add+0x30e/0xa40 [ 3963.913825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.913825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.913825][ T7704] netlink_rcv_skb+0x130/0x360 [ 3963.913825][ T7704] netlink_unicast+0x449/0x710 [ 3963.913825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3963.913825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3963.913825][ T7704] ___sys_sendmsg+0xee/0x170 [ 3963.913825][ T7704] __sys_sendmsg+0xcd/0x170 [ 3963.913825][ T7704] do_syscall_64+0xc6/0x1e0 [ 3963.913825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.913825][ T7704] [ 3963.916088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3963.916088][ T7704] netdev_get_by_index+0x5e/0x80 [ 3963.916088][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3963.916088][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3963.916088][ T7704] ip6_route_add+0x1c/0x140 [ 3963.916088][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3963.916088][ T7704] addrconf_add_dev+0xe2/0x170 [ 3963.916088][ T7704] inet6_addr_add+0x12f/0xa40 [ 3963.916088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.916088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.916088][ T7704] netlink_rcv_skb+0x130/0x360 [ 3963.916088][ T7704] netlink_unicast+0x449/0x710 [ 3963.916088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3963.916088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3963.916088][ T7704] ___sys_sendmsg+0xee/0x170 [ 3963.916088][ T7704] __sys_sendmsg+0xcd/0x170 [ 3963.916088][ T7704] do_syscall_64+0xc6/0x1e0 [ 3963.916088][ T7704] [ 3963.918848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3963.918848][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3963.918848][ T7704] ipv6_find_idev+0x102/0x170 [ 3963.918848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3963.918848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.918848][ T7704] netlink_rcv_skb+0x130/0x360 [ 3963.918848][ T7704] netlink_unicast+0x449/0x710 [ 3963.918848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3963.918848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3963.918848][ T7704] ___sys_sendmsg+0xee/0x170 [ 3963.918848][ T7704] __sys_sendmsg+0xcd/0x170 [ 3963.918848][ T7704] do_syscall_64+0xc6/0x1e0 [ 3963.918848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.918848][ T7704] [ 3963.920584][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3963.920584][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3963.920584][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3963.920584][ T7704] ipv6_find_idev+0x102/0x170 [ 3963.920584][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3963.920584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.920584][ T7704] netlink_rcv_skb+0x130/0x360 [ 3963.920584][ T7704] netlink_unicast+0x449/0x710 [ 3963.920584][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3963.920584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3963.920584][ T7704] ___sys_sendmsg+0xee/0x170 [ 3963.920584][ T7704] __sys_sendmsg+0xcd/0x170 [ 3963.920584][ T7704] do_syscall_64+0xc6/0x1e0 [ 3963.920584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.920584][ T7704] [ 3974.159047][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3974.159625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3974.159625][ T7704] netdev_get_by_index+0x5e/0x80 [ 3974.159625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3974.159625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3974.159625][ T7704] ip6_route_add+0x1c/0x140 [ 3974.159625][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3974.159625][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3974.159625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.159625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.159625][ T7704] netlink_rcv_skb+0x130/0x360 [ 3974.159625][ T7704] netlink_unicast+0x449/0x710 [ 3974.159625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3974.159625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3974.159625][ T7704] ___sys_sendmsg+0xee/0x170 [ 3974.159625][ T7704] __sys_sendmsg+0xcd/0x170 [ 3974.159625][ T7704] do_syscall_64+0xc6/0x1e0 [ 3974.159625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.159625][ T7704] [ 3974.161916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3974.161916][ T7704] netdev_get_by_index+0x5e/0x80 [ 3974.161916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3974.161916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3974.161916][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3974.161916][ T7704] ipv6_add_addr+0x411/0x2000 [ 3974.161916][ T7704] inet6_addr_add+0x30e/0xa40 [ 3974.161916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.161916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.161916][ T7704] netlink_rcv_skb+0x130/0x360 [ 3974.161916][ T7704] netlink_unicast+0x449/0x710 [ 3974.161916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3974.161916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3974.161916][ T7704] ___sys_sendmsg+0xee/0x170 [ 3974.161916][ T7704] __sys_sendmsg+0xcd/0x170 [ 3974.161916][ T7704] do_syscall_64+0xc6/0x1e0 [ 3974.161916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.161916][ T7704] [ 3974.164155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3974.164155][ T7704] netdev_get_by_index+0x5e/0x80 [ 3974.164155][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3974.164155][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3974.164155][ T7704] ip6_route_add+0x1c/0x140 [ 3974.164155][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3974.164155][ T7704] addrconf_add_dev+0xe2/0x170 [ 3974.164155][ T7704] inet6_addr_add+0x12f/0xa40 [ 3974.164155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.164155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.164155][ T7704] netlink_rcv_skb+0x130/0x360 [ 3974.164155][ T7704] netlink_unicast+0x449/0x710 [ 3974.164155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3974.164155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3974.164155][ T7704] ___sys_sendmsg+0xee/0x170 [ 3974.164155][ T7704] __sys_sendmsg+0xcd/0x170 [ 3974.164155][ T7704] do_syscall_64+0xc6/0x1e0 [ 3974.164155][ T7704] [ 3974.170679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3974.170679][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3974.170679][ T7704] ipv6_find_idev+0x102/0x170 [ 3974.170679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3974.170679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.170679][ T7704] netlink_rcv_skb+0x130/0x360 [ 3974.170679][ T7704] netlink_unicast+0x449/0x710 [ 3974.170679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3974.170679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3974.170679][ T7704] ___sys_sendmsg+0xee/0x170 [ 3974.170679][ T7704] __sys_sendmsg+0xcd/0x170 [ 3974.170679][ T7704] do_syscall_64+0xc6/0x1e0 [ 3974.170679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.170679][ T7704] [ 3974.172405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3974.172405][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3974.172405][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3974.172405][ T7704] ipv6_find_idev+0x102/0x170 [ 3974.172405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3974.172405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.172405][ T7704] netlink_rcv_skb+0x130/0x360 [ 3974.172405][ T7704] netlink_unicast+0x449/0x710 [ 3974.172405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3974.172405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3974.172405][ T7704] ___sys_sendmsg+0xee/0x170 [ 3974.172405][ T7704] __sys_sendmsg+0xcd/0x170 [ 3974.172405][ T7704] do_syscall_64+0xc6/0x1e0 [ 3974.172405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.172405][ T7704] [ 3984.238922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3984.239430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3984.239430][ T7704] netdev_get_by_index+0x5e/0x80 [ 3984.239430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3984.239430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3984.239430][ T7704] ip6_route_add+0x1c/0x140 [ 3984.239430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3984.239430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3984.239430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.239430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.239430][ T7704] netlink_rcv_skb+0x130/0x360 [ 3984.239430][ T7704] netlink_unicast+0x449/0x710 [ 3984.239430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3984.239430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3984.239430][ T7704] ___sys_sendmsg+0xee/0x170 [ 3984.239430][ T7704] __sys_sendmsg+0xcd/0x170 [ 3984.239430][ T7704] do_syscall_64+0xc6/0x1e0 [ 3984.239430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.239430][ T7704] [ 3984.241749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3984.241749][ T7704] netdev_get_by_index+0x5e/0x80 [ 3984.241749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3984.241749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3984.241749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3984.241749][ T7704] ipv6_add_addr+0x411/0x2000 [ 3984.241749][ T7704] inet6_addr_add+0x30e/0xa40 [ 3984.241749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.241749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.241749][ T7704] netlink_rcv_skb+0x130/0x360 [ 3984.241749][ T7704] netlink_unicast+0x449/0x710 [ 3984.241749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3984.241749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3984.241749][ T7704] ___sys_sendmsg+0xee/0x170 [ 3984.241749][ T7704] __sys_sendmsg+0xcd/0x170 [ 3984.241749][ T7704] do_syscall_64+0xc6/0x1e0 [ 3984.241749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.241749][ T7704] [ 3984.243994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3984.243994][ T7704] netdev_get_by_index+0x5e/0x80 [ 3984.243994][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3984.243994][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3984.243994][ T7704] ip6_route_add+0x1c/0x140 [ 3984.243994][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3984.243994][ T7704] addrconf_add_dev+0xe2/0x170 [ 3984.243994][ T7704] inet6_addr_add+0x12f/0xa40 [ 3984.243994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.243994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.243994][ T7704] netlink_rcv_skb+0x130/0x360 [ 3984.243994][ T7704] netlink_unicast+0x449/0x710 [ 3984.243994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3984.243994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3984.243994][ T7704] ___sys_sendmsg+0xee/0x170 [ 3984.243994][ T7704] __sys_sendmsg+0xcd/0x170 [ 3984.243994][ T7704] do_syscall_64+0xc6/0x1e0 [ 3984.243994][ T7704] [ 3984.246192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3984.246192][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3984.246192][ T7704] ipv6_find_idev+0x102/0x170 [ 3984.246192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3984.246192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.246192][ T7704] netlink_rcv_skb+0x130/0x360 [ 3984.246192][ T7704] netlink_unicast+0x449/0x710 [ 3984.246192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3984.246192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3984.246192][ T7704] ___sys_sendmsg+0xee/0x170 [ 3984.246192][ T7704] __sys_sendmsg+0xcd/0x170 [ 3984.246192][ T7704] do_syscall_64+0xc6/0x1e0 [ 3984.246192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.246192][ T7704] [ 3984.247918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3984.247918][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3984.247918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3984.247918][ T7704] ipv6_find_idev+0x102/0x170 [ 3984.247918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3984.247918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.247918][ T7704] netlink_rcv_skb+0x130/0x360 [ 3984.247918][ T7704] netlink_unicast+0x449/0x710 [ 3984.247918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3984.247918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3984.247918][ T7704] ___sys_sendmsg+0xee/0x170 [ 3984.247918][ T7704] __sys_sendmsg+0xcd/0x170 [ 3984.247918][ T7704] do_syscall_64+0xc6/0x1e0 [ 3984.247918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.247918][ T7704] [ 3994.502874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3994.503415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3994.503415][ T7704] netdev_get_by_index+0x5e/0x80 [ 3994.503415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3994.503415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3994.503415][ T7704] ip6_route_add+0x1c/0x140 [ 3994.503415][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3994.503415][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3994.503415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.503415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.503415][ T7704] netlink_rcv_skb+0x130/0x360 [ 3994.503415][ T7704] netlink_unicast+0x449/0x710 [ 3994.503415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3994.503415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3994.503415][ T7704] ___sys_sendmsg+0xee/0x170 [ 3994.503415][ T7704] __sys_sendmsg+0xcd/0x170 [ 3994.503415][ T7704] do_syscall_64+0xc6/0x1e0 [ 3994.503415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.503415][ T7704] [ 3994.505700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3994.505700][ T7704] netdev_get_by_index+0x5e/0x80 [ 3994.505700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3994.505700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3994.505700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3994.505700][ T7704] ipv6_add_addr+0x411/0x2000 [ 3994.505700][ T7704] inet6_addr_add+0x30e/0xa40 [ 3994.505700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.505700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.505700][ T7704] netlink_rcv_skb+0x130/0x360 [ 3994.505700][ T7704] netlink_unicast+0x449/0x710 [ 3994.505700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3994.505700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3994.505700][ T7704] ___sys_sendmsg+0xee/0x170 [ 3994.505700][ T7704] __sys_sendmsg+0xcd/0x170 [ 3994.505700][ T7704] do_syscall_64+0xc6/0x1e0 [ 3994.505700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.505700][ T7704] [ 3994.507966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3994.507966][ T7704] netdev_get_by_index+0x5e/0x80 [ 3994.507966][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3994.507966][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3994.507966][ T7704] ip6_route_add+0x1c/0x140 [ 3994.507966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3994.507966][ T7704] addrconf_add_dev+0xe2/0x170 [ 3994.507966][ T7704] inet6_addr_add+0x12f/0xa40 [ 3994.507966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.507966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.507966][ T7704] netlink_rcv_skb+0x130/0x360 [ 3994.507966][ T7704] netlink_unicast+0x449/0x710 [ 3994.507966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3994.507966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3994.507966][ T7704] ___sys_sendmsg+0xee/0x170 [ 3994.507966][ T7704] __sys_sendmsg+0xcd/0x170 [ 3994.507966][ T7704] do_syscall_64+0xc6/0x1e0 [ 3994.507966][ T7704] [ 3994.510175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3994.510175][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3994.510175][ T7704] ipv6_find_idev+0x102/0x170 [ 3994.510175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3994.510175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.510175][ T7704] netlink_rcv_skb+0x130/0x360 [ 3994.510175][ T7704] netlink_unicast+0x449/0x710 [ 3994.510175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3994.510175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3994.510175][ T7704] ___sys_sendmsg+0xee/0x170 [ 3994.510175][ T7704] __sys_sendmsg+0xcd/0x170 [ 3994.510175][ T7704] do_syscall_64+0xc6/0x1e0 [ 3994.510175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.510175][ T7704] [ 3994.511941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 3994.511941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3994.511941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3994.511941][ T7704] ipv6_find_idev+0x102/0x170 [ 3994.511941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3994.511941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.511941][ T7704] netlink_rcv_skb+0x130/0x360 [ 3994.511941][ T7704] netlink_unicast+0x449/0x710 [ 3994.511941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3994.511941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3994.511941][ T7704] ___sys_sendmsg+0xee/0x170 [ 3994.511941][ T7704] __sys_sendmsg+0xcd/0x170 [ 3994.511941][ T7704] do_syscall_64+0xc6/0x1e0 [ 3994.511941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.511941][ T7704] [ 4004.550894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4004.551457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4004.551457][ T7704] netdev_get_by_index+0x5e/0x80 [ 4004.551457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4004.551457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4004.551457][ T7704] ip6_route_add+0x1c/0x140 [ 4004.551457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4004.551457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4004.551457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.551457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.551457][ T7704] netlink_rcv_skb+0x130/0x360 [ 4004.551457][ T7704] netlink_unicast+0x449/0x710 [ 4004.551457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4004.551457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4004.551457][ T7704] ___sys_sendmsg+0xee/0x170 [ 4004.551457][ T7704] __sys_sendmsg+0xcd/0x170 [ 4004.551457][ T7704] do_syscall_64+0xc6/0x1e0 [ 4004.551457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.551457][ T7704] [ 4004.553841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4004.553841][ T7704] netdev_get_by_index+0x5e/0x80 [ 4004.553841][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4004.553841][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4004.553841][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4004.553841][ T7704] ipv6_add_addr+0x411/0x2000 [ 4004.553841][ T7704] inet6_addr_add+0x30e/0xa40 [ 4004.553841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.553841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.553841][ T7704] netlink_rcv_skb+0x130/0x360 [ 4004.553841][ T7704] netlink_unicast+0x449/0x710 [ 4004.553841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4004.553841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4004.553841][ T7704] ___sys_sendmsg+0xee/0x170 [ 4004.553841][ T7704] __sys_sendmsg+0xcd/0x170 [ 4004.553841][ T7704] do_syscall_64+0xc6/0x1e0 [ 4004.553841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.553841][ T7704] [ 4004.556099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4004.556099][ T7704] netdev_get_by_index+0x5e/0x80 [ 4004.556099][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4004.556099][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4004.556099][ T7704] ip6_route_add+0x1c/0x140 [ 4004.556099][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4004.556099][ T7704] addrconf_add_dev+0xe2/0x170 [ 4004.556099][ T7704] inet6_addr_add+0x12f/0xa40 [ 4004.556099][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.556099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.556099][ T7704] netlink_rcv_skb+0x130/0x360 [ 4004.556099][ T7704] netlink_unicast+0x449/0x710 [ 4004.556099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4004.556099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4004.556099][ T7704] ___sys_sendmsg+0xee/0x170 [ 4004.556099][ T7704] __sys_sendmsg+0xcd/0x170 [ 4004.556099][ T7704] do_syscall_64+0xc6/0x1e0 [ 4004.556099][ T7704] [ 4004.558300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4004.558300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4004.558300][ T7704] ipv6_find_idev+0x102/0x170 [ 4004.558300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4004.558300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.558300][ T7704] netlink_rcv_skb+0x130/0x360 [ 4004.558300][ T7704] netlink_unicast+0x449/0x710 [ 4004.558300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4004.558300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4004.558300][ T7704] ___sys_sendmsg+0xee/0x170 [ 4004.558300][ T7704] __sys_sendmsg+0xcd/0x170 [ 4004.558300][ T7704] do_syscall_64+0xc6/0x1e0 [ 4004.558300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.558300][ T7704] [ 4004.560053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4004.560053][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4004.560053][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4004.560053][ T7704] ipv6_find_idev+0x102/0x170 [ 4004.560053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4004.560053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.560053][ T7704] netlink_rcv_skb+0x130/0x360 [ 4004.560053][ T7704] netlink_unicast+0x449/0x710 [ 4004.560053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4004.560053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4004.560053][ T7704] ___sys_sendmsg+0xee/0x170 [ 4004.560053][ T7704] __sys_sendmsg+0xcd/0x170 [ 4004.560053][ T7704] do_syscall_64+0xc6/0x1e0 [ 4004.560053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.560053][ T7704] [ 4014.798973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4014.799478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4014.799478][ T7704] netdev_get_by_index+0x5e/0x80 [ 4014.799478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4014.799478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4014.799478][ T7704] ip6_route_add+0x1c/0x140 [ 4014.799478][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4014.799478][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4014.799478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.799478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.799478][ T7704] netlink_rcv_skb+0x130/0x360 [ 4014.799478][ T7704] netlink_unicast+0x449/0x710 [ 4014.799478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4014.799478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4014.799478][ T7704] ___sys_sendmsg+0xee/0x170 [ 4014.799478][ T7704] __sys_sendmsg+0xcd/0x170 [ 4014.799478][ T7704] do_syscall_64+0xc6/0x1e0 [ 4014.799478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.799478][ T7704] [ 4014.801787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4014.801787][ T7704] netdev_get_by_index+0x5e/0x80 [ 4014.801787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4014.801787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4014.801787][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4014.801787][ T7704] ipv6_add_addr+0x411/0x2000 [ 4014.801787][ T7704] inet6_addr_add+0x30e/0xa40 [ 4014.801787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.801787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.801787][ T7704] netlink_rcv_skb+0x130/0x360 [ 4014.801787][ T7704] netlink_unicast+0x449/0x710 [ 4014.801787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4014.801787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4014.801787][ T7704] ___sys_sendmsg+0xee/0x170 [ 4014.801787][ T7704] __sys_sendmsg+0xcd/0x170 [ 4014.801787][ T7704] do_syscall_64+0xc6/0x1e0 [ 4014.801787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.801787][ T7704] [ 4014.804042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4014.804042][ T7704] netdev_get_by_index+0x5e/0x80 [ 4014.804042][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4014.804042][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4014.804042][ T7704] ip6_route_add+0x1c/0x140 [ 4014.804042][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4014.804042][ T7704] addrconf_add_dev+0xe2/0x170 [ 4014.804042][ T7704] inet6_addr_add+0x12f/0xa40 [ 4014.804042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.804042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.804042][ T7704] netlink_rcv_skb+0x130/0x360 [ 4014.804042][ T7704] netlink_unicast+0x449/0x710 [ 4014.804042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4014.804042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4014.804042][ T7704] ___sys_sendmsg+0xee/0x170 [ 4014.804042][ T7704] __sys_sendmsg+0xcd/0x170 [ 4014.804042][ T7704] do_syscall_64+0xc6/0x1e0 [ 4014.804042][ T7704] [ 4014.806236][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4014.806236][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4014.806236][ T7704] ipv6_find_idev+0x102/0x170 [ 4014.806236][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4014.806236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.806236][ T7704] netlink_rcv_skb+0x130/0x360 [ 4014.806236][ T7704] netlink_unicast+0x449/0x710 [ 4014.806236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4014.806236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4014.806236][ T7704] ___sys_sendmsg+0xee/0x170 [ 4014.806236][ T7704] __sys_sendmsg+0xcd/0x170 [ 4014.806236][ T7704] do_syscall_64+0xc6/0x1e0 [ 4014.806236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.806236][ T7704] [ 4014.807956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4014.807956][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4014.807956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4014.807956][ T7704] ipv6_find_idev+0x102/0x170 [ 4014.807956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4014.807956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.807956][ T7704] netlink_rcv_skb+0x130/0x360 [ 4014.807956][ T7704] netlink_unicast+0x449/0x710 [ 4014.807956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4014.807956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4014.807956][ T7704] ___sys_sendmsg+0xee/0x170 [ 4014.807956][ T7704] __sys_sendmsg+0xcd/0x170 [ 4014.807956][ T7704] do_syscall_64+0xc6/0x1e0 [ 4014.807956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.807956][ T7704] [ 4025.046935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4025.047488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4025.047488][ T7704] netdev_get_by_index+0x5e/0x80 [ 4025.047488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4025.047488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4025.047488][ T7704] ip6_route_add+0x1c/0x140 [ 4025.047488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4025.047488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4025.047488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.047488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.047488][ T7704] netlink_rcv_skb+0x130/0x360 [ 4025.047488][ T7704] netlink_unicast+0x449/0x710 [ 4025.047488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4025.047488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4025.047488][ T7704] ___sys_sendmsg+0xee/0x170 [ 4025.047488][ T7704] __sys_sendmsg+0xcd/0x170 [ 4025.047488][ T7704] do_syscall_64+0xc6/0x1e0 [ 4025.047488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.047488][ T7704] [ 4025.049928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4025.049928][ T7704] netdev_get_by_index+0x5e/0x80 [ 4025.049928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4025.049928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4025.049928][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4025.049928][ T7704] ipv6_add_addr+0x411/0x2000 [ 4025.049928][ T7704] inet6_addr_add+0x30e/0xa40 [ 4025.049928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.049928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.049928][ T7704] netlink_rcv_skb+0x130/0x360 [ 4025.049928][ T7704] netlink_unicast+0x449/0x710 [ 4025.049928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4025.049928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4025.049928][ T7704] ___sys_sendmsg+0xee/0x170 [ 4025.049928][ T7704] __sys_sendmsg+0xcd/0x170 [ 4025.049928][ T7704] do_syscall_64+0xc6/0x1e0 [ 4025.049928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.049928][ T7704] [ 4025.052342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4025.052342][ T7704] netdev_get_by_index+0x5e/0x80 [ 4025.052342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4025.052342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4025.052342][ T7704] ip6_route_add+0x1c/0x140 [ 4025.052342][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4025.052342][ T7704] addrconf_add_dev+0xe2/0x170 [ 4025.052342][ T7704] inet6_addr_add+0x12f/0xa40 [ 4025.052342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.052342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.052342][ T7704] netlink_rcv_skb+0x130/0x360 [ 4025.052342][ T7704] netlink_unicast+0x449/0x710 [ 4025.052342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4025.052342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4025.052342][ T7704] ___sys_sendmsg+0xee/0x170 [ 4025.052342][ T7704] __sys_sendmsg+0xcd/0x170 [ 4025.052342][ T7704] do_syscall_64+0xc6/0x1e0 [ 4025.052342][ T7704] [ 4025.054645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4025.054645][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4025.054645][ T7704] ipv6_find_idev+0x102/0x170 [ 4025.054645][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4025.054645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.054645][ T7704] netlink_rcv_skb+0x130/0x360 [ 4025.054645][ T7704] netlink_unicast+0x449/0x710 [ 4025.054645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4025.054645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4025.054645][ T7704] ___sys_sendmsg+0xee/0x170 [ 4025.054645][ T7704] __sys_sendmsg+0xcd/0x170 [ 4025.054645][ T7704] do_syscall_64+0xc6/0x1e0 [ 4025.054645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.054645][ T7704] [ 4025.056396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4025.056396][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4025.056396][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4025.056396][ T7704] ipv6_find_idev+0x102/0x170 [ 4025.056396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4025.056396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.056396][ T7704] netlink_rcv_skb+0x130/0x360 [ 4025.056396][ T7704] netlink_unicast+0x449/0x710 [ 4025.056396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4025.056396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4025.056396][ T7704] ___sys_sendmsg+0xee/0x170 [ 4025.056396][ T7704] __sys_sendmsg+0xcd/0x170 [ 4025.056396][ T7704] do_syscall_64+0xc6/0x1e0 [ 4025.056396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.056396][ T7704] [ 4035.078968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4035.079534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4035.079534][ T7704] netdev_get_by_index+0x5e/0x80 [ 4035.079534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4035.079534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4035.079534][ T7704] ip6_route_add+0x1c/0x140 [ 4035.079534][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4035.079534][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4035.079534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.079534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.079534][ T7704] netlink_rcv_skb+0x130/0x360 [ 4035.079534][ T7704] netlink_unicast+0x449/0x710 [ 4035.079534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4035.079534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4035.079534][ T7704] ___sys_sendmsg+0xee/0x170 [ 4035.079534][ T7704] __sys_sendmsg+0xcd/0x170 [ 4035.079534][ T7704] do_syscall_64+0xc6/0x1e0 [ 4035.079534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.079534][ T7704] [ 4035.081837][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4035.081837][ T7704] netdev_get_by_index+0x5e/0x80 [ 4035.081837][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4035.081837][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4035.081837][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4035.081837][ T7704] ipv6_add_addr+0x411/0x2000 [ 4035.081837][ T7704] inet6_addr_add+0x30e/0xa40 [ 4035.081837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.081837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.081837][ T7704] netlink_rcv_skb+0x130/0x360 [ 4035.081837][ T7704] netlink_unicast+0x449/0x710 [ 4035.081837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4035.081837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4035.081837][ T7704] ___sys_sendmsg+0xee/0x170 [ 4035.081837][ T7704] __sys_sendmsg+0xcd/0x170 [ 4035.081837][ T7704] do_syscall_64+0xc6/0x1e0 [ 4035.081837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.081837][ T7704] [ 4035.084114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4035.084114][ T7704] netdev_get_by_index+0x5e/0x80 [ 4035.084114][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4035.084114][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4035.084114][ T7704] ip6_route_add+0x1c/0x140 [ 4035.084114][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4035.084114][ T7704] addrconf_add_dev+0xe2/0x170 [ 4035.084114][ T7704] inet6_addr_add+0x12f/0xa40 [ 4035.084114][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.084114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.084114][ T7704] netlink_rcv_skb+0x130/0x360 [ 4035.084114][ T7704] netlink_unicast+0x449/0x710 [ 4035.084114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4035.084114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4035.084114][ T7704] ___sys_sendmsg+0xee/0x170 [ 4035.084114][ T7704] __sys_sendmsg+0xcd/0x170 [ 4035.084114][ T7704] do_syscall_64+0xc6/0x1e0 [ 4035.084114][ T7704] [ 4035.086334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4035.086334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4035.086334][ T7704] ipv6_find_idev+0x102/0x170 [ 4035.086334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4035.086334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.086334][ T7704] netlink_rcv_skb+0x130/0x360 [ 4035.086334][ T7704] netlink_unicast+0x449/0x710 [ 4035.086334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4035.086334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4035.086334][ T7704] ___sys_sendmsg+0xee/0x170 [ 4035.086334][ T7704] __sys_sendmsg+0xcd/0x170 [ 4035.086334][ T7704] do_syscall_64+0xc6/0x1e0 [ 4035.086334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.086334][ T7704] [ 4035.088066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4035.088066][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4035.088066][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4035.088066][ T7704] ipv6_find_idev+0x102/0x170 [ 4035.088066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4035.088066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.088066][ T7704] netlink_rcv_skb+0x130/0x360 [ 4035.088066][ T7704] netlink_unicast+0x449/0x710 [ 4035.088066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4035.088066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4035.088066][ T7704] ___sys_sendmsg+0xee/0x170 [ 4035.088066][ T7704] __sys_sendmsg+0xcd/0x170 [ 4035.088066][ T7704] do_syscall_64+0xc6/0x1e0 [ 4035.088066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.088066][ T7704] [ 4045.142946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4045.143488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4045.143488][ T7704] netdev_get_by_index+0x5e/0x80 [ 4045.143488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4045.143488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4045.143488][ T7704] ip6_route_add+0x1c/0x140 [ 4045.143488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4045.143488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4045.143488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.143488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.143488][ T7704] netlink_rcv_skb+0x130/0x360 [ 4045.143488][ T7704] netlink_unicast+0x449/0x710 [ 4045.143488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4045.143488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4045.143488][ T7704] ___sys_sendmsg+0xee/0x170 [ 4045.143488][ T7704] __sys_sendmsg+0xcd/0x170 [ 4045.143488][ T7704] do_syscall_64+0xc6/0x1e0 [ 4045.143488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.143488][ T7704] [ 4045.145765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4045.145765][ T7704] netdev_get_by_index+0x5e/0x80 [ 4045.145765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4045.145765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4045.145765][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4045.145765][ T7704] ipv6_add_addr+0x411/0x2000 [ 4045.145765][ T7704] inet6_addr_add+0x30e/0xa40 [ 4045.145765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.145765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.145765][ T7704] netlink_rcv_skb+0x130/0x360 [ 4045.145765][ T7704] netlink_unicast+0x449/0x710 [ 4045.145765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4045.145765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4045.145765][ T7704] ___sys_sendmsg+0xee/0x170 [ 4045.145765][ T7704] __sys_sendmsg+0xcd/0x170 [ 4045.145765][ T7704] do_syscall_64+0xc6/0x1e0 [ 4045.145765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.145765][ T7704] [ 4045.148084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4045.148084][ T7704] netdev_get_by_index+0x5e/0x80 [ 4045.148084][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4045.148084][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4045.148084][ T7704] ip6_route_add+0x1c/0x140 [ 4045.148084][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4045.148084][ T7704] addrconf_add_dev+0xe2/0x170 [ 4045.148084][ T7704] inet6_addr_add+0x12f/0xa40 [ 4045.148084][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.148084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.148084][ T7704] netlink_rcv_skb+0x130/0x360 [ 4045.148084][ T7704] netlink_unicast+0x449/0x710 [ 4045.148084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4045.148084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4045.148084][ T7704] ___sys_sendmsg+0xee/0x170 [ 4045.148084][ T7704] __sys_sendmsg+0xcd/0x170 [ 4045.148084][ T7704] do_syscall_64+0xc6/0x1e0 [ 4045.148084][ T7704] [ 4045.150356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4045.150356][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4045.150356][ T7704] ipv6_find_idev+0x102/0x170 [ 4045.150356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.150356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.150356][ T7704] netlink_rcv_skb+0x130/0x360 [ 4045.150356][ T7704] netlink_unicast+0x449/0x710 [ 4045.150356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4045.150356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4045.150356][ T7704] ___sys_sendmsg+0xee/0x170 [ 4045.150356][ T7704] __sys_sendmsg+0xcd/0x170 [ 4045.150356][ T7704] do_syscall_64+0xc6/0x1e0 [ 4045.150356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.150356][ T7704] [ 4045.152137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4045.152137][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4045.152137][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4045.152137][ T7704] ipv6_find_idev+0x102/0x170 [ 4045.152137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.152137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.152137][ T7704] netlink_rcv_skb+0x130/0x360 [ 4045.152137][ T7704] netlink_unicast+0x449/0x710 [ 4045.152137][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4045.152137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4045.152137][ T7704] ___sys_sendmsg+0xee/0x170 [ 4045.152137][ T7704] __sys_sendmsg+0xcd/0x170 [ 4045.152137][ T7704] do_syscall_64+0xc6/0x1e0 [ 4045.152137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.152137][ T7704] [ 4055.839071][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4055.839594][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4055.839594][ T7704] netdev_get_by_index+0x5e/0x80 [ 4055.839594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4055.839594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4055.839594][ T7704] ip6_route_add+0x1c/0x140 [ 4055.839594][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4055.839594][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4055.839594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.839594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.839594][ T7704] netlink_rcv_skb+0x130/0x360 [ 4055.839594][ T7704] netlink_unicast+0x449/0x710 [ 4055.839594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4055.839594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4055.839594][ T7704] ___sys_sendmsg+0xee/0x170 [ 4055.839594][ T7704] __sys_sendmsg+0xcd/0x170 [ 4055.839594][ T7704] do_syscall_64+0xc6/0x1e0 [ 4055.839594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.839594][ T7704] [ 4055.841919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4055.841919][ T7704] netdev_get_by_index+0x5e/0x80 [ 4055.841919][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4055.841919][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4055.841919][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4055.841919][ T7704] ipv6_add_addr+0x411/0x2000 [ 4055.841919][ T7704] inet6_addr_add+0x30e/0xa40 [ 4055.841919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.841919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.841919][ T7704] netlink_rcv_skb+0x130/0x360 [ 4055.841919][ T7704] netlink_unicast+0x449/0x710 [ 4055.841919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4055.841919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4055.841919][ T7704] ___sys_sendmsg+0xee/0x170 [ 4055.841919][ T7704] __sys_sendmsg+0xcd/0x170 [ 4055.841919][ T7704] do_syscall_64+0xc6/0x1e0 [ 4055.841919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.841919][ T7704] [ 4055.844162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4055.844162][ T7704] netdev_get_by_index+0x5e/0x80 [ 4055.844162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4055.844162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4055.844162][ T7704] ip6_route_add+0x1c/0x140 [ 4055.844162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4055.844162][ T7704] addrconf_add_dev+0xe2/0x170 [ 4055.844162][ T7704] inet6_addr_add+0x12f/0xa40 [ 4055.844162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.844162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.844162][ T7704] netlink_rcv_skb+0x130/0x360 [ 4055.844162][ T7704] netlink_unicast+0x449/0x710 [ 4055.844162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4055.844162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4055.844162][ T7704] ___sys_sendmsg+0xee/0x170 [ 4055.844162][ T7704] __sys_sendmsg+0xcd/0x170 [ 4055.844162][ T7704] do_syscall_64+0xc6/0x1e0 [ 4055.844162][ T7704] [ 4055.846373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4055.846373][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4055.846373][ T7704] ipv6_find_idev+0x102/0x170 [ 4055.846373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4055.846373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.846373][ T7704] netlink_rcv_skb+0x130/0x360 [ 4055.846373][ T7704] netlink_unicast+0x449/0x710 [ 4055.846373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4055.846373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4055.846373][ T7704] ___sys_sendmsg+0xee/0x170 [ 4055.846373][ T7704] __sys_sendmsg+0xcd/0x170 [ 4055.846373][ T7704] do_syscall_64+0xc6/0x1e0 [ 4055.846373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.846373][ T7704] [ 4055.848113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4055.848113][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4055.848113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4055.848113][ T7704] ipv6_find_idev+0x102/0x170 [ 4055.848113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4055.848113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.848113][ T7704] netlink_rcv_skb+0x130/0x360 [ 4055.848113][ T7704] netlink_unicast+0x449/0x710 [ 4055.848113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4055.848113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4055.848113][ T7704] ___sys_sendmsg+0xee/0x170 [ 4055.848113][ T7704] __sys_sendmsg+0xcd/0x170 [ 4055.848113][ T7704] do_syscall_64+0xc6/0x1e0 [ 4055.848113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.848113][ T7704] [ 4066.030908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4066.031437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4066.031437][ T7704] netdev_get_by_index+0x5e/0x80 [ 4066.031437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4066.031437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4066.031437][ T7704] ip6_route_add+0x1c/0x140 [ 4066.031437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4066.031437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4066.031437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.031437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.031437][ T7704] netlink_rcv_skb+0x130/0x360 [ 4066.031437][ T7704] netlink_unicast+0x449/0x710 [ 4066.031437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4066.031437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4066.031437][ T7704] ___sys_sendmsg+0xee/0x170 [ 4066.031437][ T7704] __sys_sendmsg+0xcd/0x170 [ 4066.031437][ T7704] do_syscall_64+0xc6/0x1e0 [ 4066.031437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.031437][ T7704] [ 4066.033723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4066.033723][ T7704] netdev_get_by_index+0x5e/0x80 [ 4066.033723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4066.033723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4066.033723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4066.033723][ T7704] ipv6_add_addr+0x411/0x2000 [ 4066.033723][ T7704] inet6_addr_add+0x30e/0xa40 [ 4066.033723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.033723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.033723][ T7704] netlink_rcv_skb+0x130/0x360 [ 4066.033723][ T7704] netlink_unicast+0x449/0x710 [ 4066.033723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4066.033723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4066.033723][ T7704] ___sys_sendmsg+0xee/0x170 [ 4066.033723][ T7704] __sys_sendmsg+0xcd/0x170 [ 4066.033723][ T7704] do_syscall_64+0xc6/0x1e0 [ 4066.033723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.033723][ T7704] [ 4066.035953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4066.035953][ T7704] netdev_get_by_index+0x5e/0x80 [ 4066.035953][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4066.035953][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4066.035953][ T7704] ip6_route_add+0x1c/0x140 [ 4066.035953][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4066.035953][ T7704] addrconf_add_dev+0xe2/0x170 [ 4066.035953][ T7704] inet6_addr_add+0x12f/0xa40 [ 4066.035953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.035953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.035953][ T7704] netlink_rcv_skb+0x130/0x360 [ 4066.035953][ T7704] netlink_unicast+0x449/0x710 [ 4066.035953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4066.035953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4066.035953][ T7704] ___sys_sendmsg+0xee/0x170 [ 4066.035953][ T7704] __sys_sendmsg+0xcd/0x170 [ 4066.035953][ T7704] do_syscall_64+0xc6/0x1e0 [ 4066.035953][ T7704] [ 4066.038136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4066.038136][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4066.038136][ T7704] ipv6_find_idev+0x102/0x170 [ 4066.038136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4066.038136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.038136][ T7704] netlink_rcv_skb+0x130/0x360 [ 4066.038136][ T7704] netlink_unicast+0x449/0x710 [ 4066.038136][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4066.038136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4066.038136][ T7704] ___sys_sendmsg+0xee/0x170 [ 4066.038136][ T7704] __sys_sendmsg+0xcd/0x170 [ 4066.038136][ T7704] do_syscall_64+0xc6/0x1e0 [ 4066.038136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.038136][ T7704] [ 4066.039859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4066.039859][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4066.039859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4066.039859][ T7704] ipv6_find_idev+0x102/0x170 [ 4066.039859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4066.039859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.039859][ T7704] netlink_rcv_skb+0x130/0x360 [ 4066.039859][ T7704] netlink_unicast+0x449/0x710 [ 4066.039859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4066.039859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4066.039859][ T7704] ___sys_sendmsg+0xee/0x170 [ 4066.039859][ T7704] __sys_sendmsg+0xcd/0x170 [ 4066.039859][ T7704] do_syscall_64+0xc6/0x1e0 [ 4066.039859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.039859][ T7704] [ 4076.190929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4076.191463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4076.191463][ T7704] netdev_get_by_index+0x5e/0x80 [ 4076.191463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4076.191463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4076.191463][ T7704] ip6_route_add+0x1c/0x140 [ 4076.191463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4076.191463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4076.191463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.191463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.191463][ T7704] netlink_rcv_skb+0x130/0x360 [ 4076.191463][ T7704] netlink_unicast+0x449/0x710 [ 4076.191463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4076.191463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4076.191463][ T7704] ___sys_sendmsg+0xee/0x170 [ 4076.191463][ T7704] __sys_sendmsg+0xcd/0x170 [ 4076.191463][ T7704] do_syscall_64+0xc6/0x1e0 [ 4076.191463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.191463][ T7704] [ 4076.193709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4076.193709][ T7704] netdev_get_by_index+0x5e/0x80 [ 4076.193709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4076.193709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4076.193709][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4076.193709][ T7704] ipv6_add_addr+0x411/0x2000 [ 4076.193709][ T7704] inet6_addr_add+0x30e/0xa40 [ 4076.193709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.193709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.193709][ T7704] netlink_rcv_skb+0x130/0x360 [ 4076.193709][ T7704] netlink_unicast+0x449/0x710 [ 4076.193709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4076.193709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4076.193709][ T7704] ___sys_sendmsg+0xee/0x170 [ 4076.193709][ T7704] __sys_sendmsg+0xcd/0x170 [ 4076.193709][ T7704] do_syscall_64+0xc6/0x1e0 [ 4076.193709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.193709][ T7704] [ 4076.195952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4076.195952][ T7704] netdev_get_by_index+0x5e/0x80 [ 4076.195952][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4076.195952][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4076.195952][ T7704] ip6_route_add+0x1c/0x140 [ 4076.195952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4076.195952][ T7704] addrconf_add_dev+0xe2/0x170 [ 4076.195952][ T7704] inet6_addr_add+0x12f/0xa40 [ 4076.195952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.195952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.195952][ T7704] netlink_rcv_skb+0x130/0x360 [ 4076.195952][ T7704] netlink_unicast+0x449/0x710 [ 4076.195952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4076.195952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4076.195952][ T7704] ___sys_sendmsg+0xee/0x170 [ 4076.195952][ T7704] __sys_sendmsg+0xcd/0x170 [ 4076.195952][ T7704] do_syscall_64+0xc6/0x1e0 [ 4076.195952][ T7704] [ 4076.198141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4076.198141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4076.198141][ T7704] ipv6_find_idev+0x102/0x170 [ 4076.198141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4076.198141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.198141][ T7704] netlink_rcv_skb+0x130/0x360 [ 4076.198141][ T7704] netlink_unicast+0x449/0x710 [ 4076.198141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4076.198141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4076.198141][ T7704] ___sys_sendmsg+0xee/0x170 [ 4076.198141][ T7704] __sys_sendmsg+0xcd/0x170 [ 4076.198141][ T7704] do_syscall_64+0xc6/0x1e0 [ 4076.198141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.198141][ T7704] [ 4076.199854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4076.199854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4076.199854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4076.199854][ T7704] ipv6_find_idev+0x102/0x170 [ 4076.199854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4076.199854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.199854][ T7704] netlink_rcv_skb+0x130/0x360 [ 4076.199854][ T7704] netlink_unicast+0x449/0x710 [ 4076.199854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4076.199854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4076.199854][ T7704] ___sys_sendmsg+0xee/0x170 [ 4076.199854][ T7704] __sys_sendmsg+0xcd/0x170 [ 4076.199854][ T7704] do_syscall_64+0xc6/0x1e0 [ 4076.199854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.199854][ T7704] [ 4086.438937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4086.439454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4086.439454][ T7704] netdev_get_by_index+0x5e/0x80 [ 4086.439454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4086.439454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4086.439454][ T7704] ip6_route_add+0x1c/0x140 [ 4086.439454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4086.439454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4086.439454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.439454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.439454][ T7704] netlink_rcv_skb+0x130/0x360 [ 4086.439454][ T7704] netlink_unicast+0x449/0x710 [ 4086.439454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4086.439454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4086.439454][ T7704] ___sys_sendmsg+0xee/0x170 [ 4086.439454][ T7704] __sys_sendmsg+0xcd/0x170 [ 4086.439454][ T7704] do_syscall_64+0xc6/0x1e0 [ 4086.439454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.439454][ T7704] [ 4086.441750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4086.441750][ T7704] netdev_get_by_index+0x5e/0x80 [ 4086.441750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4086.441750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4086.441750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4086.441750][ T7704] ipv6_add_addr+0x411/0x2000 [ 4086.441750][ T7704] inet6_addr_add+0x30e/0xa40 [ 4086.441750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.441750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.441750][ T7704] netlink_rcv_skb+0x130/0x360 [ 4086.441750][ T7704] netlink_unicast+0x449/0x710 [ 4086.441750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4086.441750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4086.441750][ T7704] ___sys_sendmsg+0xee/0x170 [ 4086.441750][ T7704] __sys_sendmsg+0xcd/0x170 [ 4086.441750][ T7704] do_syscall_64+0xc6/0x1e0 [ 4086.441750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.441750][ T7704] [ 4086.443993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4086.443993][ T7704] netdev_get_by_index+0x5e/0x80 [ 4086.443993][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4086.443993][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4086.443993][ T7704] ip6_route_add+0x1c/0x140 [ 4086.443993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4086.443993][ T7704] addrconf_add_dev+0xe2/0x170 [ 4086.443993][ T7704] inet6_addr_add+0x12f/0xa40 [ 4086.443993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.443993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.443993][ T7704] netlink_rcv_skb+0x130/0x360 [ 4086.443993][ T7704] netlink_unicast+0x449/0x710 [ 4086.443993][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4086.443993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4086.443993][ T7704] ___sys_sendmsg+0xee/0x170 [ 4086.443993][ T7704] __sys_sendmsg+0xcd/0x170 [ 4086.443993][ T7704] do_syscall_64+0xc6/0x1e0 [ 4086.443993][ T7704] [ 4086.446199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4086.446199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4086.446199][ T7704] ipv6_find_idev+0x102/0x170 [ 4086.446199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4086.446199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.446199][ T7704] netlink_rcv_skb+0x130/0x360 [ 4086.446199][ T7704] netlink_unicast+0x449/0x710 [ 4086.446199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4086.446199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4086.446199][ T7704] ___sys_sendmsg+0xee/0x170 [ 4086.446199][ T7704] __sys_sendmsg+0xcd/0x170 [ 4086.446199][ T7704] do_syscall_64+0xc6/0x1e0 [ 4086.446199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.446199][ T7704] [ 4086.447919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4086.447919][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4086.447919][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4086.447919][ T7704] ipv6_find_idev+0x102/0x170 [ 4086.447919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4086.447919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.447919][ T7704] netlink_rcv_skb+0x130/0x360 [ 4086.447919][ T7704] netlink_unicast+0x449/0x710 [ 4086.447919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4086.447919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4086.447919][ T7704] ___sys_sendmsg+0xee/0x170 [ 4086.447919][ T7704] __sys_sendmsg+0xcd/0x170 [ 4086.447919][ T7704] do_syscall_64+0xc6/0x1e0 [ 4086.447919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.447919][ T7704] [ 4096.686951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4096.687463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4096.687463][ T7704] netdev_get_by_index+0x5e/0x80 [ 4096.687463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4096.687463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4096.687463][ T7704] ip6_route_add+0x1c/0x140 [ 4096.687463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4096.687463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4096.687463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.687463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.687463][ T7704] netlink_rcv_skb+0x130/0x360 [ 4096.687463][ T7704] netlink_unicast+0x449/0x710 [ 4096.687463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4096.687463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4096.687463][ T7704] ___sys_sendmsg+0xee/0x170 [ 4096.687463][ T7704] __sys_sendmsg+0xcd/0x170 [ 4096.687463][ T7704] do_syscall_64+0xc6/0x1e0 [ 4096.687463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.687463][ T7704] [ 4096.689728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4096.689728][ T7704] netdev_get_by_index+0x5e/0x80 [ 4096.689728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4096.689728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4096.689728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4096.689728][ T7704] ipv6_add_addr+0x411/0x2000 [ 4096.689728][ T7704] inet6_addr_add+0x30e/0xa40 [ 4096.689728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.689728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.689728][ T7704] netlink_rcv_skb+0x130/0x360 [ 4096.689728][ T7704] netlink_unicast+0x449/0x710 [ 4096.689728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4096.689728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4096.689728][ T7704] ___sys_sendmsg+0xee/0x170 [ 4096.689728][ T7704] __sys_sendmsg+0xcd/0x170 [ 4096.689728][ T7704] do_syscall_64+0xc6/0x1e0 [ 4096.689728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.689728][ T7704] [ 4096.691979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4096.691979][ T7704] netdev_get_by_index+0x5e/0x80 [ 4096.691979][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4096.691979][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4096.691979][ T7704] ip6_route_add+0x1c/0x140 [ 4096.691979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4096.691979][ T7704] addrconf_add_dev+0xe2/0x170 [ 4096.691979][ T7704] inet6_addr_add+0x12f/0xa40 [ 4096.691979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.691979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.691979][ T7704] netlink_rcv_skb+0x130/0x360 [ 4096.691979][ T7704] netlink_unicast+0x449/0x710 [ 4096.691979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4096.691979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4096.691979][ T7704] ___sys_sendmsg+0xee/0x170 [ 4096.691979][ T7704] __sys_sendmsg+0xcd/0x170 [ 4096.691979][ T7704] do_syscall_64+0xc6/0x1e0 [ 4096.691979][ T7704] [ 4096.694164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4096.694164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4096.694164][ T7704] ipv6_find_idev+0x102/0x170 [ 4096.694164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4096.694164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.694164][ T7704] netlink_rcv_skb+0x130/0x360 [ 4096.694164][ T7704] netlink_unicast+0x449/0x710 [ 4096.694164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4096.694164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4096.694164][ T7704] ___sys_sendmsg+0xee/0x170 [ 4096.694164][ T7704] __sys_sendmsg+0xcd/0x170 [ 4096.694164][ T7704] do_syscall_64+0xc6/0x1e0 [ 4096.694164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.694164][ T7704] [ 4096.695877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4096.695877][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4096.695877][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4096.695877][ T7704] ipv6_find_idev+0x102/0x170 [ 4096.695877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4096.695877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.695877][ T7704] netlink_rcv_skb+0x130/0x360 [ 4096.695877][ T7704] netlink_unicast+0x449/0x710 [ 4096.695877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4096.695877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4096.695877][ T7704] ___sys_sendmsg+0xee/0x170 [ 4096.695877][ T7704] __sys_sendmsg+0xcd/0x170 [ 4096.695877][ T7704] do_syscall_64+0xc6/0x1e0 [ 4096.695877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.695877][ T7704] [ 4106.702986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4106.703505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4106.703505][ T7704] netdev_get_by_index+0x5e/0x80 [ 4106.703505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4106.703505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4106.703505][ T7704] ip6_route_add+0x1c/0x140 [ 4106.703505][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4106.703505][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4106.703505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.703505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.703505][ T7704] netlink_rcv_skb+0x130/0x360 [ 4106.703505][ T7704] netlink_unicast+0x449/0x710 [ 4106.703505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4106.703505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4106.703505][ T7704] ___sys_sendmsg+0xee/0x170 [ 4106.703505][ T7704] __sys_sendmsg+0xcd/0x170 [ 4106.703505][ T7704] do_syscall_64+0xc6/0x1e0 [ 4106.703505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.703505][ T7704] [ 4106.705760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4106.705760][ T7704] netdev_get_by_index+0x5e/0x80 [ 4106.705760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4106.705760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4106.705760][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4106.705760][ T7704] ipv6_add_addr+0x411/0x2000 [ 4106.705760][ T7704] inet6_addr_add+0x30e/0xa40 [ 4106.705760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.705760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.705760][ T7704] netlink_rcv_skb+0x130/0x360 [ 4106.705760][ T7704] netlink_unicast+0x449/0x710 [ 4106.705760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4106.705760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4106.705760][ T7704] ___sys_sendmsg+0xee/0x170 [ 4106.705760][ T7704] __sys_sendmsg+0xcd/0x170 [ 4106.705760][ T7704] do_syscall_64+0xc6/0x1e0 [ 4106.705760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.705760][ T7704] [ 4106.708002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4106.708002][ T7704] netdev_get_by_index+0x5e/0x80 [ 4106.708002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4106.708002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4106.708002][ T7704] ip6_route_add+0x1c/0x140 [ 4106.708002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4106.708002][ T7704] addrconf_add_dev+0xe2/0x170 [ 4106.708002][ T7704] inet6_addr_add+0x12f/0xa40 [ 4106.708002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.708002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.708002][ T7704] netlink_rcv_skb+0x130/0x360 [ 4106.708002][ T7704] netlink_unicast+0x449/0x710 [ 4106.708002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4106.708002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4106.708002][ T7704] ___sys_sendmsg+0xee/0x170 [ 4106.708002][ T7704] __sys_sendmsg+0xcd/0x170 [ 4106.708002][ T7704] do_syscall_64+0xc6/0x1e0 [ 4106.708002][ T7704] [ 4106.710185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4106.710185][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4106.710185][ T7704] ipv6_find_idev+0x102/0x170 [ 4106.710185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.710185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.710185][ T7704] netlink_rcv_skb+0x130/0x360 [ 4106.710185][ T7704] netlink_unicast+0x449/0x710 [ 4106.710185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4106.710185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4106.710185][ T7704] ___sys_sendmsg+0xee/0x170 [ 4106.710185][ T7704] __sys_sendmsg+0xcd/0x170 [ 4106.710185][ T7704] do_syscall_64+0xc6/0x1e0 [ 4106.710185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.710185][ T7704] [ 4106.711907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4106.711907][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4106.711907][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4106.711907][ T7704] ipv6_find_idev+0x102/0x170 [ 4106.711907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.711907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.711907][ T7704] netlink_rcv_skb+0x130/0x360 [ 4106.711907][ T7704] netlink_unicast+0x449/0x710 [ 4106.711907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4106.711907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4106.711907][ T7704] ___sys_sendmsg+0xee/0x170 [ 4106.711907][ T7704] __sys_sendmsg+0xcd/0x170 [ 4106.711907][ T7704] do_syscall_64+0xc6/0x1e0 [ 4106.711907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.711907][ T7704] [ 4116.758983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4116.759436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4116.759436][ T7704] netdev_get_by_index+0x5e/0x80 [ 4116.759436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4116.759436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4116.759436][ T7704] ip6_route_add+0x1c/0x140 [ 4116.759436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4116.759436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4116.759436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.759436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.759436][ T7704] netlink_rcv_skb+0x130/0x360 [ 4116.759436][ T7704] netlink_unicast+0x449/0x710 [ 4116.759436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4116.759436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4116.759436][ T7704] ___sys_sendmsg+0xee/0x170 [ 4116.759436][ T7704] __sys_sendmsg+0xcd/0x170 [ 4116.759436][ T7704] do_syscall_64+0xc6/0x1e0 [ 4116.759436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.759436][ T7704] [ 4116.761693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4116.761693][ T7704] netdev_get_by_index+0x5e/0x80 [ 4116.761693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4116.761693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4116.761693][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4116.761693][ T7704] ipv6_add_addr+0x411/0x2000 [ 4116.761693][ T7704] inet6_addr_add+0x30e/0xa40 [ 4116.761693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.761693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.761693][ T7704] netlink_rcv_skb+0x130/0x360 [ 4116.761693][ T7704] netlink_unicast+0x449/0x710 [ 4116.761693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4116.761693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4116.761693][ T7704] ___sys_sendmsg+0xee/0x170 [ 4116.761693][ T7704] __sys_sendmsg+0xcd/0x170 [ 4116.761693][ T7704] do_syscall_64+0xc6/0x1e0 [ 4116.761693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.761693][ T7704] [ 4116.763927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4116.763927][ T7704] netdev_get_by_index+0x5e/0x80 [ 4116.763927][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4116.763927][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4116.763927][ T7704] ip6_route_add+0x1c/0x140 [ 4116.763927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4116.763927][ T7704] addrconf_add_dev+0xe2/0x170 [ 4116.763927][ T7704] inet6_addr_add+0x12f/0xa40 [ 4116.763927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.763927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.763927][ T7704] netlink_rcv_skb+0x130/0x360 [ 4116.763927][ T7704] netlink_unicast+0x449/0x710 [ 4116.763927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4116.763927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4116.763927][ T7704] ___sys_sendmsg+0xee/0x170 [ 4116.763927][ T7704] __sys_sendmsg+0xcd/0x170 [ 4116.763927][ T7704] do_syscall_64+0xc6/0x1e0 [ 4116.763927][ T7704] [ 4116.766113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4116.766113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4116.766113][ T7704] ipv6_find_idev+0x102/0x170 [ 4116.766113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.766113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.766113][ T7704] netlink_rcv_skb+0x130/0x360 [ 4116.766113][ T7704] netlink_unicast+0x449/0x710 [ 4116.766113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4116.766113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4116.766113][ T7704] ___sys_sendmsg+0xee/0x170 [ 4116.766113][ T7704] __sys_sendmsg+0xcd/0x170 [ 4116.766113][ T7704] do_syscall_64+0xc6/0x1e0 [ 4116.766113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.766113][ T7704] [ 4116.767830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4116.767830][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4116.767830][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4116.767830][ T7704] ipv6_find_idev+0x102/0x170 [ 4116.767830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.767830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.767830][ T7704] netlink_rcv_skb+0x130/0x360 [ 4116.767830][ T7704] netlink_unicast+0x449/0x710 [ 4116.767830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4116.767830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4116.767830][ T7704] ___sys_sendmsg+0xee/0x170 [ 4116.767830][ T7704] __sys_sendmsg+0xcd/0x170 [ 4116.767830][ T7704] do_syscall_64+0xc6/0x1e0 [ 4116.767830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.767830][ T7704] [ 4127.006986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4127.007537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4127.007537][ T7704] netdev_get_by_index+0x5e/0x80 [ 4127.007537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4127.007537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4127.007537][ T7704] ip6_route_add+0x1c/0x140 [ 4127.007537][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4127.007537][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4127.007537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4127.007537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4127.007537][ T7704] netlink_rcv_skb+0x130/0x360 [ 4127.007537][ T7704] netlink_unicast+0x449/0x710 [ 4127.007537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4127.007537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4127.007537][ T7704] ___sys_sendmsg+0xee/0x170 [ 4127.007537][ T7704] __sys_sendmsg+0xcd/0x170 [ 4127.007537][ T7704] do_syscall_64+0xc6/0x1e0 [ 4127.007537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4127.007537][ T7704] [ 4127.009825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4127.009825][ T7704] netdev_get_by_index+0x5e/0x80 [ 4127.009825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4127.009825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4127.009825][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4127.009825][ T7704] ipv6_add_addr+0x411/0x2000 [ 4127.009825][ T7704] inet6_addr_add+0x30e/0xa40 [ 4127.009825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4127.009825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4127.009825][ T7704] netlink_rcv_skb+0x130/0x360 [ 4127.009825][ T7704] netlink_unicast+0x449/0x710 [ 4127.009825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4127.009825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4127.009825][ T7704] ___sys_sendmsg+0xee/0x170 [ 4127.009825][ T7704] __sys_sendmsg+0xcd/0x170 [ 4127.009825][ T7704] do_syscall_64+0xc6/0x1e0 [ 4127.009825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4127.009825][ T7704] [ 4127.012107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4127.012107][ T7704] netdev_get_by_index+0x5e/0x80 [ 4127.012107][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4127.012107][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4127.012107][ T7704] ip6_route_add+0x1c/0x140 [ 4127.012107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4127.012107][ T7704] addrconf_add_dev+0xe2/0x170 [ 4127.012107][ T7704] inet6_addr_add+0x12f/0xa40 [ 4127.012107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4127.012107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4127.012107][ T7704] netlink_rcv_skb+0x130/0x360 [ 4127.012107][ T7704] netlink_unicast+0x449/0x710 [ 4127.012107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4127.012107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4127.012107][ T7704] ___sys_sendmsg+0xee/0x170 [ 4127.012107][ T7704] __sys_sendmsg+0xcd/0x170 [ 4127.012107][ T7704] do_syscall_64+0xc6/0x1e0 [ 4127.012107][ T7704] [ 4127.014326][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4127.014326][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4127.014326][ T7704] ipv6_find_idev+0x102/0x170 [ 4127.014326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4127.014326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4127.014326][ T7704] netlink_rcv_skb+0x130/0x360 [ 4127.014326][ T7704] netlink_unicast+0x449/0x710 [ 4127.014326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4127.014326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4127.014326][ T7704] ___sys_sendmsg+0xee/0x170 [ 4127.014326][ T7704] __sys_sendmsg+0xcd/0x170 [ 4127.014326][ T7704] do_syscall_64+0xc6/0x1e0 [ 4127.014326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4127.014326][ T7704] [ 4127.016059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4127.016059][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4127.016059][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4127.016059][ T7704] ipv6_find_idev+0x102/0x170 [ 4127.016059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4127.016059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4127.016059][ T7704] netlink_rcv_skb+0x130/0x360 [ 4127.016059][ T7704] netlink_unicast+0x449/0x710 [ 4127.016059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4127.016059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4127.016059][ T7704] ___sys_sendmsg+0xee/0x170 [ 4127.016059][ T7704] __sys_sendmsg+0xcd/0x170 [ 4127.016059][ T7704] do_syscall_64+0xc6/0x1e0 [ 4127.016059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4127.016059][ T7704] [ 4137.254981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4137.255507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4137.255507][ T7704] netdev_get_by_index+0x5e/0x80 [ 4137.255507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4137.255507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4137.255507][ T7704] ip6_route_add+0x1c/0x140 [ 4137.255507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4137.255507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4137.255507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4137.255507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4137.255507][ T7704] netlink_rcv_skb+0x130/0x360 [ 4137.255507][ T7704] netlink_unicast+0x449/0x710 [ 4137.255507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4137.255507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4137.255507][ T7704] ___sys_sendmsg+0xee/0x170 [ 4137.255507][ T7704] __sys_sendmsg+0xcd/0x170 [ 4137.255507][ T7704] do_syscall_64+0xc6/0x1e0 [ 4137.255507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4137.255507][ T7704] [ 4137.257832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4137.257832][ T7704] netdev_get_by_index+0x5e/0x80 [ 4137.257832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4137.257832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4137.257832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4137.257832][ T7704] ipv6_add_addr+0x411/0x2000 [ 4137.257832][ T7704] inet6_addr_add+0x30e/0xa40 [ 4137.257832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4137.257832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4137.257832][ T7704] netlink_rcv_skb+0x130/0x360 [ 4137.257832][ T7704] netlink_unicast+0x449/0x710 [ 4137.257832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4137.257832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4137.257832][ T7704] ___sys_sendmsg+0xee/0x170 [ 4137.257832][ T7704] __sys_sendmsg+0xcd/0x170 [ 4137.257832][ T7704] do_syscall_64+0xc6/0x1e0 [ 4137.257832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4137.257832][ T7704] [ 4137.260090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4137.260090][ T7704] netdev_get_by_index+0x5e/0x80 [ 4137.260090][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4137.260090][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4137.260090][ T7704] ip6_route_add+0x1c/0x140 [ 4137.260090][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4137.260090][ T7704] addrconf_add_dev+0xe2/0x170 [ 4137.260090][ T7704] inet6_addr_add+0x12f/0xa40 [ 4137.260090][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4137.260090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4137.260090][ T7704] netlink_rcv_skb+0x130/0x360 [ 4137.260090][ T7704] netlink_unicast+0x449/0x710 [ 4137.260090][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4137.260090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4137.260090][ T7704] ___sys_sendmsg+0xee/0x170 [ 4137.260090][ T7704] __sys_sendmsg+0xcd/0x170 [ 4137.260090][ T7704] do_syscall_64+0xc6/0x1e0 [ 4137.260090][ T7704] [ 4137.262305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4137.262305][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4137.262305][ T7704] ipv6_find_idev+0x102/0x170 [ 4137.262305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4137.262305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4137.262305][ T7704] netlink_rcv_skb+0x130/0x360 [ 4137.262305][ T7704] netlink_unicast+0x449/0x710 [ 4137.262305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4137.262305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4137.262305][ T7704] ___sys_sendmsg+0xee/0x170 [ 4137.262305][ T7704] __sys_sendmsg+0xcd/0x170 [ 4137.262305][ T7704] do_syscall_64+0xc6/0x1e0 [ 4137.262305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4137.262305][ T7704] [ 4137.264034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4137.264034][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4137.264034][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4137.264034][ T7704] ipv6_find_idev+0x102/0x170 [ 4137.264034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4137.264034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4137.264034][ T7704] netlink_rcv_skb+0x130/0x360 [ 4137.264034][ T7704] netlink_unicast+0x449/0x710 [ 4137.264034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4137.264034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4137.264034][ T7704] ___sys_sendmsg+0xee/0x170 [ 4137.264034][ T7704] __sys_sendmsg+0xcd/0x170 [ 4137.264034][ T7704] do_syscall_64+0xc6/0x1e0 [ 4137.264034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4137.264034][ T7704] [ 4147.502910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4147.503393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4147.503393][ T7704] netdev_get_by_index+0x5e/0x80 [ 4147.503393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4147.503393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4147.503393][ T7704] ip6_route_add+0x1c/0x140 [ 4147.503393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4147.503393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4147.503393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.503393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.503393][ T7704] netlink_rcv_skb+0x130/0x360 [ 4147.503393][ T7704] netlink_unicast+0x449/0x710 [ 4147.503393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4147.503393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4147.503393][ T7704] ___sys_sendmsg+0xee/0x170 [ 4147.503393][ T7704] __sys_sendmsg+0xcd/0x170 [ 4147.503393][ T7704] do_syscall_64+0xc6/0x1e0 [ 4147.503393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.503393][ T7704] [ 4147.505670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4147.505670][ T7704] netdev_get_by_index+0x5e/0x80 [ 4147.505670][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4147.505670][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4147.505670][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4147.505670][ T7704] ipv6_add_addr+0x411/0x2000 [ 4147.505670][ T7704] inet6_addr_add+0x30e/0xa40 [ 4147.505670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.505670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.505670][ T7704] netlink_rcv_skb+0x130/0x360 [ 4147.505670][ T7704] netlink_unicast+0x449/0x710 [ 4147.505670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4147.505670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4147.505670][ T7704] ___sys_sendmsg+0xee/0x170 [ 4147.505670][ T7704] __sys_sendmsg+0xcd/0x170 [ 4147.505670][ T7704] do_syscall_64+0xc6/0x1e0 [ 4147.505670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.505670][ T7704] [ 4147.507949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4147.507949][ T7704] netdev_get_by_index+0x5e/0x80 [ 4147.507949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4147.507949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4147.507949][ T7704] ip6_route_add+0x1c/0x140 [ 4147.507949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4147.507949][ T7704] addrconf_add_dev+0xe2/0x170 [ 4147.507949][ T7704] inet6_addr_add+0x12f/0xa40 [ 4147.507949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.507949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.507949][ T7704] netlink_rcv_skb+0x130/0x360 [ 4147.507949][ T7704] netlink_unicast+0x449/0x710 [ 4147.507949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4147.507949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4147.507949][ T7704] ___sys_sendmsg+0xee/0x170 [ 4147.507949][ T7704] __sys_sendmsg+0xcd/0x170 [ 4147.507949][ T7704] do_syscall_64+0xc6/0x1e0 [ 4147.507949][ T7704] [ 4147.510191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4147.510191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4147.510191][ T7704] ipv6_find_idev+0x102/0x170 [ 4147.510191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4147.510191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.510191][ T7704] netlink_rcv_skb+0x130/0x360 [ 4147.510191][ T7704] netlink_unicast+0x449/0x710 [ 4147.510191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4147.510191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4147.510191][ T7704] ___sys_sendmsg+0xee/0x170 [ 4147.510191][ T7704] __sys_sendmsg+0xcd/0x170 [ 4147.510191][ T7704] do_syscall_64+0xc6/0x1e0 [ 4147.510191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.510191][ T7704] [ 4147.511926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4147.511926][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4147.511926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4147.511926][ T7704] ipv6_find_idev+0x102/0x170 [ 4147.511926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4147.511926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.511926][ T7704] netlink_rcv_skb+0x130/0x360 [ 4147.511926][ T7704] netlink_unicast+0x449/0x710 [ 4147.511926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4147.511926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4147.511926][ T7704] ___sys_sendmsg+0xee/0x170 [ 4147.511926][ T7704] __sys_sendmsg+0xcd/0x170 [ 4147.511926][ T7704] do_syscall_64+0xc6/0x1e0 [ 4147.511926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.511926][ T7704] [ 4157.750964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4157.751438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4157.751438][ T7704] netdev_get_by_index+0x5e/0x80 [ 4157.751438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4157.751438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4157.751438][ T7704] ip6_route_add+0x1c/0x140 [ 4157.751438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4157.751438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4157.751438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.751438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.751438][ T7704] netlink_rcv_skb+0x130/0x360 [ 4157.751438][ T7704] netlink_unicast+0x449/0x710 [ 4157.751438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4157.751438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4157.751438][ T7704] ___sys_sendmsg+0xee/0x170 [ 4157.751438][ T7704] __sys_sendmsg+0xcd/0x170 [ 4157.751438][ T7704] do_syscall_64+0xc6/0x1e0 [ 4157.751438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.751438][ T7704] [ 4157.753739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4157.753739][ T7704] netdev_get_by_index+0x5e/0x80 [ 4157.753739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4157.753739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4157.753739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4157.753739][ T7704] ipv6_add_addr+0x411/0x2000 [ 4157.753739][ T7704] inet6_addr_add+0x30e/0xa40 [ 4157.753739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.753739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.753739][ T7704] netlink_rcv_skb+0x130/0x360 [ 4157.753739][ T7704] netlink_unicast+0x449/0x710 [ 4157.753739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4157.753739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4157.753739][ T7704] ___sys_sendmsg+0xee/0x170 [ 4157.753739][ T7704] __sys_sendmsg+0xcd/0x170 [ 4157.753739][ T7704] do_syscall_64+0xc6/0x1e0 [ 4157.753739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.753739][ T7704] [ 4157.755989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4157.755989][ T7704] netdev_get_by_index+0x5e/0x80 [ 4157.755989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4157.755989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4157.755989][ T7704] ip6_route_add+0x1c/0x140 [ 4157.755989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4157.755989][ T7704] addrconf_add_dev+0xe2/0x170 [ 4157.755989][ T7704] inet6_addr_add+0x12f/0xa40 [ 4157.755989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.755989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.755989][ T7704] netlink_rcv_skb+0x130/0x360 [ 4157.755989][ T7704] netlink_unicast+0x449/0x710 [ 4157.755989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4157.755989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4157.755989][ T7704] ___sys_sendmsg+0xee/0x170 [ 4157.755989][ T7704] __sys_sendmsg+0xcd/0x170 [ 4157.755989][ T7704] do_syscall_64+0xc6/0x1e0 [ 4157.755989][ T7704] [ 4157.758202][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4157.758202][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4157.758202][ T7704] ipv6_find_idev+0x102/0x170 [ 4157.758202][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4157.758202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.758202][ T7704] netlink_rcv_skb+0x130/0x360 [ 4157.758202][ T7704] netlink_unicast+0x449/0x710 [ 4157.758202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4157.758202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4157.758202][ T7704] ___sys_sendmsg+0xee/0x170 [ 4157.758202][ T7704] __sys_sendmsg+0xcd/0x170 [ 4157.758202][ T7704] do_syscall_64+0xc6/0x1e0 [ 4157.758202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.758202][ T7704] [ 4157.759984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4157.759984][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4157.759984][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4157.759984][ T7704] ipv6_find_idev+0x102/0x170 [ 4157.759984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4157.759984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.759984][ T7704] netlink_rcv_skb+0x130/0x360 [ 4157.759984][ T7704] netlink_unicast+0x449/0x710 [ 4157.759984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4157.759984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4157.759984][ T7704] ___sys_sendmsg+0xee/0x170 [ 4157.759984][ T7704] __sys_sendmsg+0xcd/0x170 [ 4157.759984][ T7704] do_syscall_64+0xc6/0x1e0 [ 4157.759984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.759984][ T7704] [ 4167.998958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4167.999480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4167.999480][ T7704] netdev_get_by_index+0x5e/0x80 [ 4167.999480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4167.999480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4167.999480][ T7704] ip6_route_add+0x1c/0x140 [ 4167.999480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4167.999480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4167.999480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.999480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.999480][ T7704] netlink_rcv_skb+0x130/0x360 [ 4167.999480][ T7704] netlink_unicast+0x449/0x710 [ 4167.999480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4167.999480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4167.999480][ T7704] ___sys_sendmsg+0xee/0x170 [ 4167.999480][ T7704] __sys_sendmsg+0xcd/0x170 [ 4167.999480][ T7704] do_syscall_64+0xc6/0x1e0 [ 4167.999480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.999480][ T7704] [ 4168.001851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4168.001851][ T7704] netdev_get_by_index+0x5e/0x80 [ 4168.001851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4168.001851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4168.001851][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4168.001851][ T7704] ipv6_add_addr+0x411/0x2000 [ 4168.001851][ T7704] inet6_addr_add+0x30e/0xa40 [ 4168.001851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4168.001851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4168.001851][ T7704] netlink_rcv_skb+0x130/0x360 [ 4168.001851][ T7704] netlink_unicast+0x449/0x710 [ 4168.001851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4168.001851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4168.001851][ T7704] ___sys_sendmsg+0xee/0x170 [ 4168.001851][ T7704] __sys_sendmsg+0xcd/0x170 [ 4168.001851][ T7704] do_syscall_64+0xc6/0x1e0 [ 4168.001851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4168.001851][ T7704] [ 4168.004125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4168.004125][ T7704] netdev_get_by_index+0x5e/0x80 [ 4168.004125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4168.004125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4168.004125][ T7704] ip6_route_add+0x1c/0x140 [ 4168.004125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4168.004125][ T7704] addrconf_add_dev+0xe2/0x170 [ 4168.004125][ T7704] inet6_addr_add+0x12f/0xa40 [ 4168.004125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4168.004125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4168.004125][ T7704] netlink_rcv_skb+0x130/0x360 [ 4168.004125][ T7704] netlink_unicast+0x449/0x710 [ 4168.004125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4168.004125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4168.004125][ T7704] ___sys_sendmsg+0xee/0x170 [ 4168.004125][ T7704] __sys_sendmsg+0xcd/0x170 [ 4168.004125][ T7704] do_syscall_64+0xc6/0x1e0 [ 4168.004125][ T7704] [ 4168.006383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4168.006383][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4168.006383][ T7704] ipv6_find_idev+0x102/0x170 [ 4168.006383][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4168.006383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4168.006383][ T7704] netlink_rcv_skb+0x130/0x360 [ 4168.006383][ T7704] netlink_unicast+0x449/0x710 [ 4168.006383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4168.006383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4168.006383][ T7704] ___sys_sendmsg+0xee/0x170 [ 4168.006383][ T7704] __sys_sendmsg+0xcd/0x170 [ 4168.006383][ T7704] do_syscall_64+0xc6/0x1e0 [ 4168.006383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4168.006383][ T7704] [ 4168.008125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4168.008125][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4168.008125][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4168.008125][ T7704] ipv6_find_idev+0x102/0x170 [ 4168.008125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4168.008125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4168.008125][ T7704] netlink_rcv_skb+0x130/0x360 [ 4168.008125][ T7704] netlink_unicast+0x449/0x710 [ 4168.008125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4168.008125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4168.008125][ T7704] ___sys_sendmsg+0xee/0x170 [ 4168.008125][ T7704] __sys_sendmsg+0xcd/0x170 [ 4168.008125][ T7704] do_syscall_64+0xc6/0x1e0 [ 4168.008125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4168.008125][ T7704] [ 4178.246997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4178.247456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4178.247456][ T7704] netdev_get_by_index+0x5e/0x80 [ 4178.247456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4178.247456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4178.247456][ T7704] ip6_route_add+0x1c/0x140 [ 4178.247456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4178.247456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4178.247456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4178.247456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4178.247456][ T7704] netlink_rcv_skb+0x130/0x360 [ 4178.247456][ T7704] netlink_unicast+0x449/0x710 [ 4178.247456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4178.247456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4178.247456][ T7704] ___sys_sendmsg+0xee/0x170 [ 4178.247456][ T7704] __sys_sendmsg+0xcd/0x170 [ 4178.247456][ T7704] do_syscall_64+0xc6/0x1e0 [ 4178.247456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4178.247456][ T7704] [ 4178.249728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4178.249728][ T7704] netdev_get_by_index+0x5e/0x80 [ 4178.249728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4178.249728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4178.249728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4178.249728][ T7704] ipv6_add_addr+0x411/0x2000 [ 4178.249728][ T7704] inet6_addr_add+0x30e/0xa40 [ 4178.249728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4178.249728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4178.249728][ T7704] netlink_rcv_skb+0x130/0x360 [ 4178.249728][ T7704] netlink_unicast+0x449/0x710 [ 4178.249728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4178.249728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4178.249728][ T7704] ___sys_sendmsg+0xee/0x170 [ 4178.249728][ T7704] __sys_sendmsg+0xcd/0x170 [ 4178.249728][ T7704] do_syscall_64+0xc6/0x1e0 [ 4178.249728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4178.249728][ T7704] [ 4178.252107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4178.252107][ T7704] netdev_get_by_index+0x5e/0x80 [ 4178.252107][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4178.252107][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4178.252107][ T7704] ip6_route_add+0x1c/0x140 [ 4178.252107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4178.252107][ T7704] addrconf_add_dev+0xe2/0x170 [ 4178.252107][ T7704] inet6_addr_add+0x12f/0xa40 [ 4178.252107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4178.252107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4178.252107][ T7704] netlink_rcv_skb+0x130/0x360 [ 4178.252107][ T7704] netlink_unicast+0x449/0x710 [ 4178.252107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4178.252107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4178.252107][ T7704] ___sys_sendmsg+0xee/0x170 [ 4178.252107][ T7704] __sys_sendmsg+0xcd/0x170 [ 4178.252107][ T7704] do_syscall_64+0xc6/0x1e0 [ 4178.252107][ T7704] [ 4178.254327][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4178.254327][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4178.254327][ T7704] ipv6_find_idev+0x102/0x170 [ 4178.254327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4178.254327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4178.254327][ T7704] netlink_rcv_skb+0x130/0x360 [ 4178.254327][ T7704] netlink_unicast+0x449/0x710 [ 4178.254327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4178.254327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4178.254327][ T7704] ___sys_sendmsg+0xee/0x170 [ 4178.254327][ T7704] __sys_sendmsg+0xcd/0x170 [ 4178.254327][ T7704] do_syscall_64+0xc6/0x1e0 [ 4178.254327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4178.254327][ T7704] [ 4178.256057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4178.256057][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4178.256057][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4178.256057][ T7704] ipv6_find_idev+0x102/0x170 [ 4178.256057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4178.256057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4178.256057][ T7704] netlink_rcv_skb+0x130/0x360 [ 4178.256057][ T7704] netlink_unicast+0x449/0x710 [ 4178.256057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4178.256057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4178.256057][ T7704] ___sys_sendmsg+0xee/0x170 [ 4178.256057][ T7704] __sys_sendmsg+0xcd/0x170 [ 4178.256057][ T7704] do_syscall_64+0xc6/0x1e0 [ 4178.256057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4178.256057][ T7704] [ 4188.262953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4188.263507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4188.263507][ T7704] netdev_get_by_index+0x5e/0x80 [ 4188.263507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4188.263507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4188.263507][ T7704] ip6_route_add+0x1c/0x140 [ 4188.263507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4188.263507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4188.263507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.263507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.263507][ T7704] netlink_rcv_skb+0x130/0x360 [ 4188.263507][ T7704] netlink_unicast+0x449/0x710 [ 4188.263507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4188.263507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4188.263507][ T7704] ___sys_sendmsg+0xee/0x170 [ 4188.263507][ T7704] __sys_sendmsg+0xcd/0x170 [ 4188.263507][ T7704] do_syscall_64+0xc6/0x1e0 [ 4188.263507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.263507][ T7704] [ 4188.265792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4188.265792][ T7704] netdev_get_by_index+0x5e/0x80 [ 4188.265792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4188.265792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4188.265792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4188.265792][ T7704] ipv6_add_addr+0x411/0x2000 [ 4188.265792][ T7704] inet6_addr_add+0x30e/0xa40 [ 4188.265792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.265792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.265792][ T7704] netlink_rcv_skb+0x130/0x360 [ 4188.265792][ T7704] netlink_unicast+0x449/0x710 [ 4188.265792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4188.265792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4188.265792][ T7704] ___sys_sendmsg+0xee/0x170 [ 4188.265792][ T7704] __sys_sendmsg+0xcd/0x170 [ 4188.265792][ T7704] do_syscall_64+0xc6/0x1e0 [ 4188.265792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.265792][ T7704] [ 4188.268020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4188.268020][ T7704] netdev_get_by_index+0x5e/0x80 [ 4188.268020][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4188.268020][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4188.268020][ T7704] ip6_route_add+0x1c/0x140 [ 4188.268020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4188.268020][ T7704] addrconf_add_dev+0xe2/0x170 [ 4188.268020][ T7704] inet6_addr_add+0x12f/0xa40 [ 4188.268020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.268020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.268020][ T7704] netlink_rcv_skb+0x130/0x360 [ 4188.268020][ T7704] netlink_unicast+0x449/0x710 [ 4188.268020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4188.268020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4188.268020][ T7704] ___sys_sendmsg+0xee/0x170 [ 4188.268020][ T7704] __sys_sendmsg+0xcd/0x170 [ 4188.268020][ T7704] do_syscall_64+0xc6/0x1e0 [ 4188.268020][ T7704] [ 4188.270223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4188.270223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4188.270223][ T7704] ipv6_find_idev+0x102/0x170 [ 4188.270223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4188.270223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.270223][ T7704] netlink_rcv_skb+0x130/0x360 [ 4188.270223][ T7704] netlink_unicast+0x449/0x710 [ 4188.270223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4188.270223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4188.270223][ T7704] ___sys_sendmsg+0xee/0x170 [ 4188.270223][ T7704] __sys_sendmsg+0xcd/0x170 [ 4188.270223][ T7704] do_syscall_64+0xc6/0x1e0 [ 4188.270223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.270223][ T7704] [ 4188.271935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4188.271935][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4188.271935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4188.271935][ T7704] ipv6_find_idev+0x102/0x170 [ 4188.271935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4188.271935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.271935][ T7704] netlink_rcv_skb+0x130/0x360 [ 4188.271935][ T7704] netlink_unicast+0x449/0x710 [ 4188.271935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4188.271935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4188.271935][ T7704] ___sys_sendmsg+0xee/0x170 [ 4188.271935][ T7704] __sys_sendmsg+0xcd/0x170 [ 4188.271935][ T7704] do_syscall_64+0xc6/0x1e0 [ 4188.271935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.271935][ T7704] [ 4198.527017][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4198.527496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4198.527496][ T7704] netdev_get_by_index+0x5e/0x80 [ 4198.527496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4198.527496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4198.527496][ T7704] ip6_route_add+0x1c/0x140 [ 4198.527496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4198.527496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4198.527496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.527496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.527496][ T7704] netlink_rcv_skb+0x130/0x360 [ 4198.527496][ T7704] netlink_unicast+0x449/0x710 [ 4198.527496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4198.527496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4198.527496][ T7704] ___sys_sendmsg+0xee/0x170 [ 4198.527496][ T7704] __sys_sendmsg+0xcd/0x170 [ 4198.527496][ T7704] do_syscall_64+0xc6/0x1e0 [ 4198.527496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.527496][ T7704] [ 4198.530386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4198.530386][ T7704] netdev_get_by_index+0x5e/0x80 [ 4198.530386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4198.530386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4198.530386][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4198.530386][ T7704] ipv6_add_addr+0x411/0x2000 [ 4198.530386][ T7704] inet6_addr_add+0x30e/0xa40 [ 4198.530386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.530386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.530386][ T7704] netlink_rcv_skb+0x130/0x360 [ 4198.530386][ T7704] netlink_unicast+0x449/0x710 [ 4198.530386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4198.530386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4198.530386][ T7704] ___sys_sendmsg+0xee/0x170 [ 4198.530386][ T7704] __sys_sendmsg+0xcd/0x170 [ 4198.530386][ T7704] do_syscall_64+0xc6/0x1e0 [ 4198.530386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.530386][ T7704] [ 4198.532655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4198.532655][ T7704] netdev_get_by_index+0x5e/0x80 [ 4198.532655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4198.532655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4198.532655][ T7704] ip6_route_add+0x1c/0x140 [ 4198.532655][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4198.532655][ T7704] addrconf_add_dev+0xe2/0x170 [ 4198.532655][ T7704] inet6_addr_add+0x12f/0xa40 [ 4198.532655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.532655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.532655][ T7704] netlink_rcv_skb+0x130/0x360 [ 4198.532655][ T7704] netlink_unicast+0x449/0x710 [ 4198.532655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4198.532655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4198.532655][ T7704] ___sys_sendmsg+0xee/0x170 [ 4198.532655][ T7704] __sys_sendmsg+0xcd/0x170 [ 4198.532655][ T7704] do_syscall_64+0xc6/0x1e0 [ 4198.532655][ T7704] [ 4198.534897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4198.534897][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4198.534897][ T7704] ipv6_find_idev+0x102/0x170 [ 4198.534897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4198.534897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.534897][ T7704] netlink_rcv_skb+0x130/0x360 [ 4198.534897][ T7704] netlink_unicast+0x449/0x710 [ 4198.534897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4198.534897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4198.534897][ T7704] ___sys_sendmsg+0xee/0x170 [ 4198.534897][ T7704] __sys_sendmsg+0xcd/0x170 [ 4198.534897][ T7704] do_syscall_64+0xc6/0x1e0 [ 4198.534897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.534897][ T7704] [ 4198.536641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4198.536641][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4198.536641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4198.536641][ T7704] ipv6_find_idev+0x102/0x170 [ 4198.536641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4198.536641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.536641][ T7704] netlink_rcv_skb+0x130/0x360 [ 4198.536641][ T7704] netlink_unicast+0x449/0x710 [ 4198.536641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4198.536641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4198.536641][ T7704] ___sys_sendmsg+0xee/0x170 [ 4198.536641][ T7704] __sys_sendmsg+0xcd/0x170 [ 4198.536641][ T7704] do_syscall_64+0xc6/0x1e0 [ 4198.536641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.536641][ T7704] [ 4208.622915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4208.623417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4208.623417][ T7704] netdev_get_by_index+0x5e/0x80 [ 4208.623417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4208.623417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4208.623417][ T7704] ip6_route_add+0x1c/0x140 [ 4208.623417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4208.623417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4208.623417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.623417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.623417][ T7704] netlink_rcv_skb+0x130/0x360 [ 4208.623417][ T7704] netlink_unicast+0x449/0x710 [ 4208.623417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4208.623417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4208.623417][ T7704] ___sys_sendmsg+0xee/0x170 [ 4208.623417][ T7704] __sys_sendmsg+0xcd/0x170 [ 4208.623417][ T7704] do_syscall_64+0xc6/0x1e0 [ 4208.623417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.623417][ T7704] [ 4208.625701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4208.625701][ T7704] netdev_get_by_index+0x5e/0x80 [ 4208.625701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4208.625701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4208.625701][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4208.625701][ T7704] ipv6_add_addr+0x411/0x2000 [ 4208.625701][ T7704] inet6_addr_add+0x30e/0xa40 [ 4208.625701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.625701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.625701][ T7704] netlink_rcv_skb+0x130/0x360 [ 4208.625701][ T7704] netlink_unicast+0x449/0x710 [ 4208.625701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4208.625701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4208.625701][ T7704] ___sys_sendmsg+0xee/0x170 [ 4208.625701][ T7704] __sys_sendmsg+0xcd/0x170 [ 4208.625701][ T7704] do_syscall_64+0xc6/0x1e0 [ 4208.625701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.625701][ T7704] [ 4208.627955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4208.627955][ T7704] netdev_get_by_index+0x5e/0x80 [ 4208.627955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4208.627955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4208.627955][ T7704] ip6_route_add+0x1c/0x140 [ 4208.627955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4208.627955][ T7704] addrconf_add_dev+0xe2/0x170 [ 4208.627955][ T7704] inet6_addr_add+0x12f/0xa40 [ 4208.627955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.627955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.627955][ T7704] netlink_rcv_skb+0x130/0x360 [ 4208.627955][ T7704] netlink_unicast+0x449/0x710 [ 4208.627955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4208.627955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4208.627955][ T7704] ___sys_sendmsg+0xee/0x170 [ 4208.627955][ T7704] __sys_sendmsg+0xcd/0x170 [ 4208.627955][ T7704] do_syscall_64+0xc6/0x1e0 [ 4208.627955][ T7704] [ 4208.630167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4208.630167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4208.630167][ T7704] ipv6_find_idev+0x102/0x170 [ 4208.630167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4208.630167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.630167][ T7704] netlink_rcv_skb+0x130/0x360 [ 4208.630167][ T7704] netlink_unicast+0x449/0x710 [ 4208.630167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4208.630167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4208.630167][ T7704] ___sys_sendmsg+0xee/0x170 [ 4208.630167][ T7704] __sys_sendmsg+0xcd/0x170 [ 4208.630167][ T7704] do_syscall_64+0xc6/0x1e0 [ 4208.630167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.630167][ T7704] [ 4208.631885][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4208.631885][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4208.631885][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4208.631885][ T7704] ipv6_find_idev+0x102/0x170 [ 4208.631885][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4208.631885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.631885][ T7704] netlink_rcv_skb+0x130/0x360 [ 4208.631885][ T7704] netlink_unicast+0x449/0x710 [ 4208.631885][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4208.631885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4208.631885][ T7704] ___sys_sendmsg+0xee/0x170 [ 4208.631885][ T7704] __sys_sendmsg+0xcd/0x170 [ 4208.631885][ T7704] do_syscall_64+0xc6/0x1e0 [ 4208.631885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.631885][ T7704] [ 4218.870873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4218.871360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4218.871360][ T7704] netdev_get_by_index+0x5e/0x80 [ 4218.871360][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4218.871360][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4218.871360][ T7704] ip6_route_add+0x1c/0x140 [ 4218.871360][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4218.871360][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4218.871360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.871360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.871360][ T7704] netlink_rcv_skb+0x130/0x360 [ 4218.871360][ T7704] netlink_unicast+0x449/0x710 [ 4218.871360][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4218.871360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4218.871360][ T7704] ___sys_sendmsg+0xee/0x170 [ 4218.871360][ T7704] __sys_sendmsg+0xcd/0x170 [ 4218.871360][ T7704] do_syscall_64+0xc6/0x1e0 [ 4218.871360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.871360][ T7704] [ 4218.873625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4218.873625][ T7704] netdev_get_by_index+0x5e/0x80 [ 4218.873625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4218.873625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4218.873625][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4218.873625][ T7704] ipv6_add_addr+0x411/0x2000 [ 4218.873625][ T7704] inet6_addr_add+0x30e/0xa40 [ 4218.873625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.873625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.873625][ T7704] netlink_rcv_skb+0x130/0x360 [ 4218.873625][ T7704] netlink_unicast+0x449/0x710 [ 4218.873625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4218.873625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4218.873625][ T7704] ___sys_sendmsg+0xee/0x170 [ 4218.873625][ T7704] __sys_sendmsg+0xcd/0x170 [ 4218.873625][ T7704] do_syscall_64+0xc6/0x1e0 [ 4218.873625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.873625][ T7704] [ 4218.875860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4218.875860][ T7704] netdev_get_by_index+0x5e/0x80 [ 4218.875860][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4218.875860][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4218.875860][ T7704] ip6_route_add+0x1c/0x140 [ 4218.875860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4218.875860][ T7704] addrconf_add_dev+0xe2/0x170 [ 4218.875860][ T7704] inet6_addr_add+0x12f/0xa40 [ 4218.875860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.875860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.875860][ T7704] netlink_rcv_skb+0x130/0x360 [ 4218.875860][ T7704] netlink_unicast+0x449/0x710 [ 4218.875860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4218.875860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4218.875860][ T7704] ___sys_sendmsg+0xee/0x170 [ 4218.875860][ T7704] __sys_sendmsg+0xcd/0x170 [ 4218.875860][ T7704] do_syscall_64+0xc6/0x1e0 [ 4218.875860][ T7704] [ 4218.878056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4218.878056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4218.878056][ T7704] ipv6_find_idev+0x102/0x170 [ 4218.878056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4218.878056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.878056][ T7704] netlink_rcv_skb+0x130/0x360 [ 4218.878056][ T7704] netlink_unicast+0x449/0x710 [ 4218.878056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4218.878056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4218.878056][ T7704] ___sys_sendmsg+0xee/0x170 [ 4218.878056][ T7704] __sys_sendmsg+0xcd/0x170 [ 4218.878056][ T7704] do_syscall_64+0xc6/0x1e0 [ 4218.878056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.878056][ T7704] [ 4218.879785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4218.879785][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4218.879785][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4218.879785][ T7704] ipv6_find_idev+0x102/0x170 [ 4218.879785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4218.879785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.879785][ T7704] netlink_rcv_skb+0x130/0x360 [ 4218.879785][ T7704] netlink_unicast+0x449/0x710 [ 4218.879785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4218.879785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4218.879785][ T7704] ___sys_sendmsg+0xee/0x170 [ 4218.879785][ T7704] __sys_sendmsg+0xcd/0x170 [ 4218.879785][ T7704] do_syscall_64+0xc6/0x1e0 [ 4218.879785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.879785][ T7704] [ 4229.118885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4229.119411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4229.119411][ T7704] netdev_get_by_index+0x5e/0x80 [ 4229.119411][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4229.119411][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4229.119411][ T7704] ip6_route_add+0x1c/0x140 [ 4229.119411][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4229.119411][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4229.119411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.119411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.119411][ T7704] netlink_rcv_skb+0x130/0x360 [ 4229.119411][ T7704] netlink_unicast+0x449/0x710 [ 4229.119411][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4229.119411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4229.119411][ T7704] ___sys_sendmsg+0xee/0x170 [ 4229.119411][ T7704] __sys_sendmsg+0xcd/0x170 [ 4229.119411][ T7704] do_syscall_64+0xc6/0x1e0 [ 4229.119411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.119411][ T7704] [ 4229.121721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4229.121721][ T7704] netdev_get_by_index+0x5e/0x80 [ 4229.121721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4229.121721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4229.121721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4229.121721][ T7704] ipv6_add_addr+0x411/0x2000 [ 4229.121721][ T7704] inet6_addr_add+0x30e/0xa40 [ 4229.121721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.121721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.121721][ T7704] netlink_rcv_skb+0x130/0x360 [ 4229.121721][ T7704] netlink_unicast+0x449/0x710 [ 4229.121721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4229.121721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4229.121721][ T7704] ___sys_sendmsg+0xee/0x170 [ 4229.121721][ T7704] __sys_sendmsg+0xcd/0x170 [ 4229.121721][ T7704] do_syscall_64+0xc6/0x1e0 [ 4229.121721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.121721][ T7704] [ 4229.123981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4229.123981][ T7704] netdev_get_by_index+0x5e/0x80 [ 4229.123981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4229.123981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4229.123981][ T7704] ip6_route_add+0x1c/0x140 [ 4229.123981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4229.123981][ T7704] addrconf_add_dev+0xe2/0x170 [ 4229.123981][ T7704] inet6_addr_add+0x12f/0xa40 [ 4229.123981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.123981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.123981][ T7704] netlink_rcv_skb+0x130/0x360 [ 4229.123981][ T7704] netlink_unicast+0x449/0x710 [ 4229.123981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4229.123981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4229.123981][ T7704] ___sys_sendmsg+0xee/0x170 [ 4229.123981][ T7704] __sys_sendmsg+0xcd/0x170 [ 4229.123981][ T7704] do_syscall_64+0xc6/0x1e0 [ 4229.123981][ T7704] [ 4229.126180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4229.126180][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4229.126180][ T7704] ipv6_find_idev+0x102/0x170 [ 4229.126180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4229.126180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.126180][ T7704] netlink_rcv_skb+0x130/0x360 [ 4229.126180][ T7704] netlink_unicast+0x449/0x710 [ 4229.126180][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4229.126180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4229.126180][ T7704] ___sys_sendmsg+0xee/0x170 [ 4229.126180][ T7704] __sys_sendmsg+0xcd/0x170 [ 4229.126180][ T7704] do_syscall_64+0xc6/0x1e0 [ 4229.126180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.126180][ T7704] [ 4229.127905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4229.127905][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4229.127905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4229.127905][ T7704] ipv6_find_idev+0x102/0x170 [ 4229.127905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4229.127905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.127905][ T7704] netlink_rcv_skb+0x130/0x360 [ 4229.127905][ T7704] netlink_unicast+0x449/0x710 [ 4229.127905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4229.127905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4229.127905][ T7704] ___sys_sendmsg+0xee/0x170 [ 4229.127905][ T7704] __sys_sendmsg+0xcd/0x170 [ 4229.127905][ T7704] do_syscall_64+0xc6/0x1e0 [ 4229.127905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.127905][ T7704] [ 4239.382945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4239.383449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4239.383449][ T7704] netdev_get_by_index+0x5e/0x80 [ 4239.383449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4239.383449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4239.383449][ T7704] ip6_route_add+0x1c/0x140 [ 4239.383449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4239.383449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4239.383449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.383449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.383449][ T7704] netlink_rcv_skb+0x130/0x360 [ 4239.383449][ T7704] netlink_unicast+0x449/0x710 [ 4239.383449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4239.383449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4239.383449][ T7704] ___sys_sendmsg+0xee/0x170 [ 4239.383449][ T7704] __sys_sendmsg+0xcd/0x170 [ 4239.383449][ T7704] do_syscall_64+0xc6/0x1e0 [ 4239.383449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.383449][ T7704] [ 4239.385765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4239.385765][ T7704] netdev_get_by_index+0x5e/0x80 [ 4239.385765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4239.385765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4239.385765][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4239.385765][ T7704] ipv6_add_addr+0x411/0x2000 [ 4239.385765][ T7704] inet6_addr_add+0x30e/0xa40 [ 4239.385765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.385765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.385765][ T7704] netlink_rcv_skb+0x130/0x360 [ 4239.385765][ T7704] netlink_unicast+0x449/0x710 [ 4239.385765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4239.385765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4239.385765][ T7704] ___sys_sendmsg+0xee/0x170 [ 4239.385765][ T7704] __sys_sendmsg+0xcd/0x170 [ 4239.385765][ T7704] do_syscall_64+0xc6/0x1e0 [ 4239.385765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.385765][ T7704] [ 4239.388021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4239.388021][ T7704] netdev_get_by_index+0x5e/0x80 [ 4239.388021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4239.388021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4239.388021][ T7704] ip6_route_add+0x1c/0x140 [ 4239.388021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4239.388021][ T7704] addrconf_add_dev+0xe2/0x170 [ 4239.388021][ T7704] inet6_addr_add+0x12f/0xa40 [ 4239.388021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.388021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.388021][ T7704] netlink_rcv_skb+0x130/0x360 [ 4239.388021][ T7704] netlink_unicast+0x449/0x710 [ 4239.388021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4239.388021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4239.388021][ T7704] ___sys_sendmsg+0xee/0x170 [ 4239.388021][ T7704] __sys_sendmsg+0xcd/0x170 [ 4239.388021][ T7704] do_syscall_64+0xc6/0x1e0 [ 4239.388021][ T7704] [ 4239.390401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4239.390401][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4239.390401][ T7704] ipv6_find_idev+0x102/0x170 [ 4239.390401][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4239.390401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.390401][ T7704] netlink_rcv_skb+0x130/0x360 [ 4239.390401][ T7704] netlink_unicast+0x449/0x710 [ 4239.390401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4239.390401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4239.390401][ T7704] ___sys_sendmsg+0xee/0x170 [ 4239.390401][ T7704] __sys_sendmsg+0xcd/0x170 [ 4239.390401][ T7704] do_syscall_64+0xc6/0x1e0 [ 4239.390401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.390401][ T7704] [ 4239.392116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4239.392116][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4239.392116][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4239.392116][ T7704] ipv6_find_idev+0x102/0x170 [ 4239.392116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4239.392116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.392116][ T7704] netlink_rcv_skb+0x130/0x360 [ 4239.392116][ T7704] netlink_unicast+0x449/0x710 [ 4239.392116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4239.392116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4239.392116][ T7704] ___sys_sendmsg+0xee/0x170 [ 4239.392116][ T7704] __sys_sendmsg+0xcd/0x170 [ 4239.392116][ T7704] do_syscall_64+0xc6/0x1e0 [ 4239.392116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.392116][ T7704] [ 4249.630970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4249.631497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4249.631497][ T7704] netdev_get_by_index+0x5e/0x80 [ 4249.631497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4249.631497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4249.631497][ T7704] ip6_route_add+0x1c/0x140 [ 4249.631497][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4249.631497][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4249.631497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.631497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.631497][ T7704] netlink_rcv_skb+0x130/0x360 [ 4249.631497][ T7704] netlink_unicast+0x449/0x710 [ 4249.631497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4249.631497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4249.631497][ T7704] ___sys_sendmsg+0xee/0x170 [ 4249.631497][ T7704] __sys_sendmsg+0xcd/0x170 [ 4249.631497][ T7704] do_syscall_64+0xc6/0x1e0 [ 4249.631497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.631497][ T7704] [ 4249.633747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4249.633747][ T7704] netdev_get_by_index+0x5e/0x80 [ 4249.633747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4249.633747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4249.633747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4249.633747][ T7704] ipv6_add_addr+0x411/0x2000 [ 4249.633747][ T7704] inet6_addr_add+0x30e/0xa40 [ 4249.633747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.633747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.633747][ T7704] netlink_rcv_skb+0x130/0x360 [ 4249.633747][ T7704] netlink_unicast+0x449/0x710 [ 4249.633747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4249.633747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4249.633747][ T7704] ___sys_sendmsg+0xee/0x170 [ 4249.633747][ T7704] __sys_sendmsg+0xcd/0x170 [ 4249.633747][ T7704] do_syscall_64+0xc6/0x1e0 [ 4249.633747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.633747][ T7704] [ 4249.635973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4249.635973][ T7704] netdev_get_by_index+0x5e/0x80 [ 4249.635973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4249.635973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4249.635973][ T7704] ip6_route_add+0x1c/0x140 [ 4249.635973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4249.635973][ T7704] addrconf_add_dev+0xe2/0x170 [ 4249.635973][ T7704] inet6_addr_add+0x12f/0xa40 [ 4249.635973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.635973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.635973][ T7704] netlink_rcv_skb+0x130/0x360 [ 4249.635973][ T7704] netlink_unicast+0x449/0x710 [ 4249.635973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4249.635973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4249.635973][ T7704] ___sys_sendmsg+0xee/0x170 [ 4249.635973][ T7704] __sys_sendmsg+0xcd/0x170 [ 4249.635973][ T7704] do_syscall_64+0xc6/0x1e0 [ 4249.635973][ T7704] [ 4249.638151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4249.638151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4249.638151][ T7704] ipv6_find_idev+0x102/0x170 [ 4249.638151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4249.638151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.638151][ T7704] netlink_rcv_skb+0x130/0x360 [ 4249.638151][ T7704] netlink_unicast+0x449/0x710 [ 4249.638151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4249.638151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4249.638151][ T7704] ___sys_sendmsg+0xee/0x170 [ 4249.638151][ T7704] __sys_sendmsg+0xcd/0x170 [ 4249.638151][ T7704] do_syscall_64+0xc6/0x1e0 [ 4249.638151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.638151][ T7704] [ 4249.639860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4249.639860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4249.639860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4249.639860][ T7704] ipv6_find_idev+0x102/0x170 [ 4249.639860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4249.639860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.639860][ T7704] netlink_rcv_skb+0x130/0x360 [ 4249.639860][ T7704] netlink_unicast+0x449/0x710 [ 4249.639860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4249.639860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4249.639860][ T7704] ___sys_sendmsg+0xee/0x170 [ 4249.639860][ T7704] __sys_sendmsg+0xcd/0x170 [ 4249.639860][ T7704] do_syscall_64+0xc6/0x1e0 [ 4249.639860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.639860][ T7704] [ 4259.878891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4259.879410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4259.879410][ T7704] netdev_get_by_index+0x5e/0x80 [ 4259.879410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4259.879410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4259.879410][ T7704] ip6_route_add+0x1c/0x140 [ 4259.879410][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4259.879410][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4259.879410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.879410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.879410][ T7704] netlink_rcv_skb+0x130/0x360 [ 4259.879410][ T7704] netlink_unicast+0x449/0x710 [ 4259.879410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4259.879410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4259.879410][ T7704] ___sys_sendmsg+0xee/0x170 [ 4259.879410][ T7704] __sys_sendmsg+0xcd/0x170 [ 4259.879410][ T7704] do_syscall_64+0xc6/0x1e0 [ 4259.879410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.879410][ T7704] [ 4259.881649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4259.881649][ T7704] netdev_get_by_index+0x5e/0x80 [ 4259.881649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4259.881649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4259.881649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4259.881649][ T7704] ipv6_add_addr+0x411/0x2000 [ 4259.881649][ T7704] inet6_addr_add+0x30e/0xa40 [ 4259.881649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.881649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.881649][ T7704] netlink_rcv_skb+0x130/0x360 [ 4259.881649][ T7704] netlink_unicast+0x449/0x710 [ 4259.881649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4259.881649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4259.881649][ T7704] ___sys_sendmsg+0xee/0x170 [ 4259.881649][ T7704] __sys_sendmsg+0xcd/0x170 [ 4259.881649][ T7704] do_syscall_64+0xc6/0x1e0 [ 4259.881649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.881649][ T7704] [ 4259.883864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4259.883864][ T7704] netdev_get_by_index+0x5e/0x80 [ 4259.883864][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4259.883864][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4259.883864][ T7704] ip6_route_add+0x1c/0x140 [ 4259.883864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4259.883864][ T7704] addrconf_add_dev+0xe2/0x170 [ 4259.883864][ T7704] inet6_addr_add+0x12f/0xa40 [ 4259.883864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.883864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.883864][ T7704] netlink_rcv_skb+0x130/0x360 [ 4259.883864][ T7704] netlink_unicast+0x449/0x710 [ 4259.883864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4259.883864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4259.883864][ T7704] ___sys_sendmsg+0xee/0x170 [ 4259.883864][ T7704] __sys_sendmsg+0xcd/0x170 [ 4259.883864][ T7704] do_syscall_64+0xc6/0x1e0 [ 4259.883864][ T7704] [ 4259.886035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4259.886035][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4259.886035][ T7704] ipv6_find_idev+0x102/0x170 [ 4259.886035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4259.886035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.886035][ T7704] netlink_rcv_skb+0x130/0x360 [ 4259.886035][ T7704] netlink_unicast+0x449/0x710 [ 4259.886035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4259.886035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4259.886035][ T7704] ___sys_sendmsg+0xee/0x170 [ 4259.886035][ T7704] __sys_sendmsg+0xcd/0x170 [ 4259.886035][ T7704] do_syscall_64+0xc6/0x1e0 [ 4259.886035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.886035][ T7704] [ 4259.887744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4259.887744][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4259.887744][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4259.887744][ T7704] ipv6_find_idev+0x102/0x170 [ 4259.887744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4259.887744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.887744][ T7704] netlink_rcv_skb+0x130/0x360 [ 4259.887744][ T7704] netlink_unicast+0x449/0x710 [ 4259.887744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4259.887744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4259.887744][ T7704] ___sys_sendmsg+0xee/0x170 [ 4259.887744][ T7704] __sys_sendmsg+0xcd/0x170 [ 4259.887744][ T7704] do_syscall_64+0xc6/0x1e0 [ 4259.887744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.887744][ T7704] [ 4270.127031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4270.127537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4270.127537][ T7704] netdev_get_by_index+0x5e/0x80 [ 4270.127537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4270.127537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4270.127537][ T7704] ip6_route_add+0x1c/0x140 [ 4270.127537][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4270.127537][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4270.127537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.127537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.127537][ T7704] netlink_rcv_skb+0x130/0x360 [ 4270.127537][ T7704] netlink_unicast+0x449/0x710 [ 4270.127537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4270.127537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4270.127537][ T7704] ___sys_sendmsg+0xee/0x170 [ 4270.127537][ T7704] __sys_sendmsg+0xcd/0x170 [ 4270.127537][ T7704] do_syscall_64+0xc6/0x1e0 [ 4270.127537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.127537][ T7704] [ 4270.129807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4270.129807][ T7704] netdev_get_by_index+0x5e/0x80 [ 4270.129807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4270.129807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4270.129807][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4270.129807][ T7704] ipv6_add_addr+0x411/0x2000 [ 4270.129807][ T7704] inet6_addr_add+0x30e/0xa40 [ 4270.129807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.129807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.129807][ T7704] netlink_rcv_skb+0x130/0x360 [ 4270.129807][ T7704] netlink_unicast+0x449/0x710 [ 4270.129807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4270.129807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4270.129807][ T7704] ___sys_sendmsg+0xee/0x170 [ 4270.129807][ T7704] __sys_sendmsg+0xcd/0x170 [ 4270.129807][ T7704] do_syscall_64+0xc6/0x1e0 [ 4270.129807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.129807][ T7704] [ 4270.132058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4270.132058][ T7704] netdev_get_by_index+0x5e/0x80 [ 4270.132058][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4270.132058][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4270.132058][ T7704] ip6_route_add+0x1c/0x140 [ 4270.132058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4270.132058][ T7704] addrconf_add_dev+0xe2/0x170 [ 4270.132058][ T7704] inet6_addr_add+0x12f/0xa40 [ 4270.132058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.132058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.132058][ T7704] netlink_rcv_skb+0x130/0x360 [ 4270.132058][ T7704] netlink_unicast+0x449/0x710 [ 4270.132058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4270.132058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4270.132058][ T7704] ___sys_sendmsg+0xee/0x170 [ 4270.132058][ T7704] __sys_sendmsg+0xcd/0x170 [ 4270.132058][ T7704] do_syscall_64+0xc6/0x1e0 [ 4270.132058][ T7704] [ 4270.134238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4270.134238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4270.134238][ T7704] ipv6_find_idev+0x102/0x170 [ 4270.134238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4270.134238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.134238][ T7704] netlink_rcv_skb+0x130/0x360 [ 4270.134238][ T7704] netlink_unicast+0x449/0x710 [ 4270.134238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4270.134238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4270.134238][ T7704] ___sys_sendmsg+0xee/0x170 [ 4270.134238][ T7704] __sys_sendmsg+0xcd/0x170 [ 4270.134238][ T7704] do_syscall_64+0xc6/0x1e0 [ 4270.134238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.134238][ T7704] [ 4270.135941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4270.135941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4270.135941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4270.135941][ T7704] ipv6_find_idev+0x102/0x170 [ 4270.135941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4270.135941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.135941][ T7704] netlink_rcv_skb+0x130/0x360 [ 4270.135941][ T7704] netlink_unicast+0x449/0x710 [ 4270.135941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4270.135941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4270.135941][ T7704] ___sys_sendmsg+0xee/0x170 [ 4270.135941][ T7704] __sys_sendmsg+0xcd/0x170 [ 4270.135941][ T7704] do_syscall_64+0xc6/0x1e0 [ 4270.135941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.135941][ T7704] [ 4280.374941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4280.375446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4280.375446][ T7704] netdev_get_by_index+0x5e/0x80 [ 4280.375446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4280.375446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4280.375446][ T7704] ip6_route_add+0x1c/0x140 [ 4280.375446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4280.375446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4280.375446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.375446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.375446][ T7704] netlink_rcv_skb+0x130/0x360 [ 4280.375446][ T7704] netlink_unicast+0x449/0x710 [ 4280.375446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4280.375446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4280.375446][ T7704] ___sys_sendmsg+0xee/0x170 [ 4280.375446][ T7704] __sys_sendmsg+0xcd/0x170 [ 4280.375446][ T7704] do_syscall_64+0xc6/0x1e0 [ 4280.375446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.375446][ T7704] [ 4280.377710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4280.377710][ T7704] netdev_get_by_index+0x5e/0x80 [ 4280.377710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4280.377710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4280.377710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4280.377710][ T7704] ipv6_add_addr+0x411/0x2000 [ 4280.377710][ T7704] inet6_addr_add+0x30e/0xa40 [ 4280.377710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.377710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.377710][ T7704] netlink_rcv_skb+0x130/0x360 [ 4280.377710][ T7704] netlink_unicast+0x449/0x710 [ 4280.377710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4280.377710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4280.377710][ T7704] ___sys_sendmsg+0xee/0x170 [ 4280.377710][ T7704] __sys_sendmsg+0xcd/0x170 [ 4280.377710][ T7704] do_syscall_64+0xc6/0x1e0 [ 4280.377710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.377710][ T7704] [ 4280.380045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4280.380045][ T7704] netdev_get_by_index+0x5e/0x80 [ 4280.380045][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4280.380045][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4280.380045][ T7704] ip6_route_add+0x1c/0x140 [ 4280.380045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4280.380045][ T7704] addrconf_add_dev+0xe2/0x170 [ 4280.380045][ T7704] inet6_addr_add+0x12f/0xa40 [ 4280.380045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.380045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.380045][ T7704] netlink_rcv_skb+0x130/0x360 [ 4280.380045][ T7704] netlink_unicast+0x449/0x710 [ 4280.380045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4280.380045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4280.380045][ T7704] ___sys_sendmsg+0xee/0x170 [ 4280.380045][ T7704] __sys_sendmsg+0xcd/0x170 [ 4280.380045][ T7704] do_syscall_64+0xc6/0x1e0 [ 4280.380045][ T7704] [ 4280.382235][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4280.382235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4280.382235][ T7704] ipv6_find_idev+0x102/0x170 [ 4280.382235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4280.382235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.382235][ T7704] netlink_rcv_skb+0x130/0x360 [ 4280.382235][ T7704] netlink_unicast+0x449/0x710 [ 4280.382235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4280.382235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4280.382235][ T7704] ___sys_sendmsg+0xee/0x170 [ 4280.382235][ T7704] __sys_sendmsg+0xcd/0x170 [ 4280.382235][ T7704] do_syscall_64+0xc6/0x1e0 [ 4280.382235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.382235][ T7704] [ 4280.383943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4280.383943][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4280.383943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4280.383943][ T7704] ipv6_find_idev+0x102/0x170 [ 4280.383943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4280.383943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.383943][ T7704] netlink_rcv_skb+0x130/0x360 [ 4280.383943][ T7704] netlink_unicast+0x449/0x710 [ 4280.383943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4280.383943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4280.383943][ T7704] ___sys_sendmsg+0xee/0x170 [ 4280.383943][ T7704] __sys_sendmsg+0xcd/0x170 [ 4280.383943][ T7704] do_syscall_64+0xc6/0x1e0 [ 4280.383943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.383943][ T7704] [ 4290.623007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4290.623534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4290.623534][ T7704] netdev_get_by_index+0x5e/0x80 [ 4290.623534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4290.623534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4290.623534][ T7704] ip6_route_add+0x1c/0x140 [ 4290.623534][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4290.623534][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4290.623534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.623534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.623534][ T7704] netlink_rcv_skb+0x130/0x360 [ 4290.623534][ T7704] netlink_unicast+0x449/0x710 [ 4290.623534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4290.623534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4290.623534][ T7704] ___sys_sendmsg+0xee/0x170 [ 4290.623534][ T7704] __sys_sendmsg+0xcd/0x170 [ 4290.623534][ T7704] do_syscall_64+0xc6/0x1e0 [ 4290.623534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.623534][ T7704] [ 4290.625788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4290.625788][ T7704] netdev_get_by_index+0x5e/0x80 [ 4290.625788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4290.625788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4290.625788][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4290.625788][ T7704] ipv6_add_addr+0x411/0x2000 [ 4290.625788][ T7704] inet6_addr_add+0x30e/0xa40 [ 4290.625788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.625788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.625788][ T7704] netlink_rcv_skb+0x130/0x360 [ 4290.625788][ T7704] netlink_unicast+0x449/0x710 [ 4290.625788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4290.625788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4290.625788][ T7704] ___sys_sendmsg+0xee/0x170 [ 4290.625788][ T7704] __sys_sendmsg+0xcd/0x170 [ 4290.625788][ T7704] do_syscall_64+0xc6/0x1e0 [ 4290.625788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.625788][ T7704] [ 4290.628149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4290.628149][ T7704] netdev_get_by_index+0x5e/0x80 [ 4290.628149][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4290.628149][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4290.628149][ T7704] ip6_route_add+0x1c/0x140 [ 4290.628149][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4290.628149][ T7704] addrconf_add_dev+0xe2/0x170 [ 4290.628149][ T7704] inet6_addr_add+0x12f/0xa40 [ 4290.628149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.628149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.628149][ T7704] netlink_rcv_skb+0x130/0x360 [ 4290.628149][ T7704] netlink_unicast+0x449/0x710 [ 4290.628149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4290.628149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4290.628149][ T7704] ___sys_sendmsg+0xee/0x170 [ 4290.628149][ T7704] __sys_sendmsg+0xcd/0x170 [ 4290.628149][ T7704] do_syscall_64+0xc6/0x1e0 [ 4290.628149][ T7704] [ 4290.630340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4290.630340][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4290.630340][ T7704] ipv6_find_idev+0x102/0x170 [ 4290.630340][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4290.630340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.630340][ T7704] netlink_rcv_skb+0x130/0x360 [ 4290.630340][ T7704] netlink_unicast+0x449/0x710 [ 4290.630340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4290.630340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4290.630340][ T7704] ___sys_sendmsg+0xee/0x170 [ 4290.630340][ T7704] __sys_sendmsg+0xcd/0x170 [ 4290.630340][ T7704] do_syscall_64+0xc6/0x1e0 [ 4290.630340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.630340][ T7704] [ 4290.632046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4290.632046][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4290.632046][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4290.632046][ T7704] ipv6_find_idev+0x102/0x170 [ 4290.632046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4290.632046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.632046][ T7704] netlink_rcv_skb+0x130/0x360 [ 4290.632046][ T7704] netlink_unicast+0x449/0x710 [ 4290.632046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4290.632046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4290.632046][ T7704] ___sys_sendmsg+0xee/0x170 [ 4290.632046][ T7704] __sys_sendmsg+0xcd/0x170 [ 4290.632046][ T7704] do_syscall_64+0xc6/0x1e0 [ 4290.632046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.632046][ T7704] [ 4300.670967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4300.671518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4300.671518][ T7704] netdev_get_by_index+0x5e/0x80 [ 4300.671518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4300.671518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4300.671518][ T7704] ip6_route_add+0x1c/0x140 [ 4300.671518][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4300.671518][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4300.671518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4300.671518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4300.671518][ T7704] netlink_rcv_skb+0x130/0x360 [ 4300.671518][ T7704] netlink_unicast+0x449/0x710 [ 4300.671518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4300.671518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4300.671518][ T7704] ___sys_sendmsg+0xee/0x170 [ 4300.671518][ T7704] __sys_sendmsg+0xcd/0x170 [ 4300.671518][ T7704] do_syscall_64+0xc6/0x1e0 [ 4300.671518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4300.671518][ T7704] [ 4300.673821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4300.673821][ T7704] netdev_get_by_index+0x5e/0x80 [ 4300.673821][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4300.673821][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4300.673821][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4300.673821][ T7704] ipv6_add_addr+0x411/0x2000 [ 4300.673821][ T7704] inet6_addr_add+0x30e/0xa40 [ 4300.673821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4300.673821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4300.673821][ T7704] netlink_rcv_skb+0x130/0x360 [ 4300.673821][ T7704] netlink_unicast+0x449/0x710 [ 4300.673821][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4300.673821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4300.673821][ T7704] ___sys_sendmsg+0xee/0x170 [ 4300.673821][ T7704] __sys_sendmsg+0xcd/0x170 [ 4300.673821][ T7704] do_syscall_64+0xc6/0x1e0 [ 4300.673821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4300.673821][ T7704] [ 4300.676116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4300.676116][ T7704] netdev_get_by_index+0x5e/0x80 [ 4300.676116][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4300.676116][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4300.676116][ T7704] ip6_route_add+0x1c/0x140 [ 4300.676116][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4300.676116][ T7704] addrconf_add_dev+0xe2/0x170 [ 4300.676116][ T7704] inet6_addr_add+0x12f/0xa40 [ 4300.676116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4300.676116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4300.676116][ T7704] netlink_rcv_skb+0x130/0x360 [ 4300.676116][ T7704] netlink_unicast+0x449/0x710 [ 4300.676116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4300.676116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4300.676116][ T7704] ___sys_sendmsg+0xee/0x170 [ 4300.676116][ T7704] __sys_sendmsg+0xcd/0x170 [ 4300.676116][ T7704] do_syscall_64+0xc6/0x1e0 [ 4300.676116][ T7704] [ 4300.678359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4300.678359][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4300.678359][ T7704] ipv6_find_idev+0x102/0x170 [ 4300.678359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4300.678359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4300.678359][ T7704] netlink_rcv_skb+0x130/0x360 [ 4300.678359][ T7704] netlink_unicast+0x449/0x710 [ 4300.678359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4300.678359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4300.678359][ T7704] ___sys_sendmsg+0xee/0x170 [ 4300.678359][ T7704] __sys_sendmsg+0xcd/0x170 [ 4300.678359][ T7704] do_syscall_64+0xc6/0x1e0 [ 4300.678359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4300.678359][ T7704] [ 4300.680115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4300.680115][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4300.680115][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4300.680115][ T7704] ipv6_find_idev+0x102/0x170 [ 4300.680115][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4300.680115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4300.680115][ T7704] netlink_rcv_skb+0x130/0x360 [ 4300.680115][ T7704] netlink_unicast+0x449/0x710 [ 4300.680115][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4300.680115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4300.680115][ T7704] ___sys_sendmsg+0xee/0x170 [ 4300.680115][ T7704] __sys_sendmsg+0xcd/0x170 [ 4300.680115][ T7704] do_syscall_64+0xc6/0x1e0 [ 4300.680115][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4300.680115][ T7704] [ 4310.918969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4310.919457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4310.919457][ T7704] netdev_get_by_index+0x5e/0x80 [ 4310.919457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4310.919457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4310.919457][ T7704] ip6_route_add+0x1c/0x140 [ 4310.919457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4310.919457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4310.919457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.919457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.919457][ T7704] netlink_rcv_skb+0x130/0x360 [ 4310.919457][ T7704] netlink_unicast+0x449/0x710 [ 4310.919457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4310.919457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4310.919457][ T7704] ___sys_sendmsg+0xee/0x170 [ 4310.919457][ T7704] __sys_sendmsg+0xcd/0x170 [ 4310.919457][ T7704] do_syscall_64+0xc6/0x1e0 [ 4310.919457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.919457][ T7704] [ 4310.921789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4310.921789][ T7704] netdev_get_by_index+0x5e/0x80 [ 4310.921789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4310.921789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4310.921789][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4310.921789][ T7704] ipv6_add_addr+0x411/0x2000 [ 4310.921789][ T7704] inet6_addr_add+0x30e/0xa40 [ 4310.921789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.921789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.921789][ T7704] netlink_rcv_skb+0x130/0x360 [ 4310.921789][ T7704] netlink_unicast+0x449/0x710 [ 4310.921789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4310.921789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4310.921789][ T7704] ___sys_sendmsg+0xee/0x170 [ 4310.921789][ T7704] __sys_sendmsg+0xcd/0x170 [ 4310.921789][ T7704] do_syscall_64+0xc6/0x1e0 [ 4310.921789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.921789][ T7704] [ 4310.924058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4310.924058][ T7704] netdev_get_by_index+0x5e/0x80 [ 4310.924058][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4310.924058][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4310.924058][ T7704] ip6_route_add+0x1c/0x140 [ 4310.924058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4310.924058][ T7704] addrconf_add_dev+0xe2/0x170 [ 4310.924058][ T7704] inet6_addr_add+0x12f/0xa40 [ 4310.924058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.924058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.924058][ T7704] netlink_rcv_skb+0x130/0x360 [ 4310.924058][ T7704] netlink_unicast+0x449/0x710 [ 4310.924058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4310.924058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4310.924058][ T7704] ___sys_sendmsg+0xee/0x170 [ 4310.924058][ T7704] __sys_sendmsg+0xcd/0x170 [ 4310.924058][ T7704] do_syscall_64+0xc6/0x1e0 [ 4310.924058][ T7704] [ 4310.926310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4310.926310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4310.926310][ T7704] ipv6_find_idev+0x102/0x170 [ 4310.926310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4310.926310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.926310][ T7704] netlink_rcv_skb+0x130/0x360 [ 4310.926310][ T7704] netlink_unicast+0x449/0x710 [ 4310.926310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4310.926310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4310.926310][ T7704] ___sys_sendmsg+0xee/0x170 [ 4310.926310][ T7704] __sys_sendmsg+0xcd/0x170 [ 4310.926310][ T7704] do_syscall_64+0xc6/0x1e0 [ 4310.926310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.926310][ T7704] [ 4310.928079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4310.928079][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4310.928079][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4310.928079][ T7704] ipv6_find_idev+0x102/0x170 [ 4310.928079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4310.928079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.928079][ T7704] netlink_rcv_skb+0x130/0x360 [ 4310.928079][ T7704] netlink_unicast+0x449/0x710 [ 4310.928079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4310.928079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4310.928079][ T7704] ___sys_sendmsg+0xee/0x170 [ 4310.928079][ T7704] __sys_sendmsg+0xcd/0x170 [ 4310.928079][ T7704] do_syscall_64+0xc6/0x1e0 [ 4310.928079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.928079][ T7704] [ 4321.014958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4321.015434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4321.015434][ T7704] netdev_get_by_index+0x5e/0x80 [ 4321.015434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4321.015434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4321.015434][ T7704] ip6_route_add+0x1c/0x140 [ 4321.015434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4321.015434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4321.015434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.015434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.015434][ T7704] netlink_rcv_skb+0x130/0x360 [ 4321.015434][ T7704] netlink_unicast+0x449/0x710 [ 4321.015434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4321.015434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4321.015434][ T7704] ___sys_sendmsg+0xee/0x170 [ 4321.015434][ T7704] __sys_sendmsg+0xcd/0x170 [ 4321.015434][ T7704] do_syscall_64+0xc6/0x1e0 [ 4321.015434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.015434][ T7704] [ 4321.017755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4321.017755][ T7704] netdev_get_by_index+0x5e/0x80 [ 4321.017755][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4321.017755][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4321.017755][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4321.017755][ T7704] ipv6_add_addr+0x411/0x2000 [ 4321.017755][ T7704] inet6_addr_add+0x30e/0xa40 [ 4321.017755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.017755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.017755][ T7704] netlink_rcv_skb+0x130/0x360 [ 4321.017755][ T7704] netlink_unicast+0x449/0x710 [ 4321.017755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4321.017755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4321.017755][ T7704] ___sys_sendmsg+0xee/0x170 [ 4321.017755][ T7704] __sys_sendmsg+0xcd/0x170 [ 4321.017755][ T7704] do_syscall_64+0xc6/0x1e0 [ 4321.017755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.017755][ T7704] [ 4321.020046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4321.020046][ T7704] netdev_get_by_index+0x5e/0x80 [ 4321.020046][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4321.020046][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4321.020046][ T7704] ip6_route_add+0x1c/0x140 [ 4321.020046][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4321.020046][ T7704] addrconf_add_dev+0xe2/0x170 [ 4321.020046][ T7704] inet6_addr_add+0x12f/0xa40 [ 4321.020046][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.020046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.020046][ T7704] netlink_rcv_skb+0x130/0x360 [ 4321.020046][ T7704] netlink_unicast+0x449/0x710 [ 4321.020046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4321.020046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4321.020046][ T7704] ___sys_sendmsg+0xee/0x170 [ 4321.020046][ T7704] __sys_sendmsg+0xcd/0x170 [ 4321.020046][ T7704] do_syscall_64+0xc6/0x1e0 [ 4321.020046][ T7704] [ 4321.022294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4321.022294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4321.022294][ T7704] ipv6_find_idev+0x102/0x170 [ 4321.022294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4321.022294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.022294][ T7704] netlink_rcv_skb+0x130/0x360 [ 4321.022294][ T7704] netlink_unicast+0x449/0x710 [ 4321.022294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4321.022294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4321.022294][ T7704] ___sys_sendmsg+0xee/0x170 [ 4321.022294][ T7704] __sys_sendmsg+0xcd/0x170 [ 4321.022294][ T7704] do_syscall_64+0xc6/0x1e0 [ 4321.022294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.022294][ T7704] [ 4321.024051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4321.024051][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4321.024051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4321.024051][ T7704] ipv6_find_idev+0x102/0x170 [ 4321.024051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4321.024051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.024051][ T7704] netlink_rcv_skb+0x130/0x360 [ 4321.024051][ T7704] netlink_unicast+0x449/0x710 [ 4321.024051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4321.024051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4321.024051][ T7704] ___sys_sendmsg+0xee/0x170 [ 4321.024051][ T7704] __sys_sendmsg+0xcd/0x170 [ 4321.024051][ T7704] do_syscall_64+0xc6/0x1e0 [ 4321.024051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.024051][ T7704] [ 4331.094993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4331.095551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4331.095551][ T7704] netdev_get_by_index+0x5e/0x80 [ 4331.095551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4331.095551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4331.095551][ T7704] ip6_route_add+0x1c/0x140 [ 4331.095551][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4331.095551][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4331.095551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.095551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.095551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4331.095551][ T7704] netlink_unicast+0x449/0x710 [ 4331.095551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4331.095551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4331.095551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4331.095551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4331.095551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4331.095551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.095551][ T7704] [ 4331.097853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4331.097853][ T7704] netdev_get_by_index+0x5e/0x80 [ 4331.097853][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4331.097853][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4331.097853][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4331.097853][ T7704] ipv6_add_addr+0x411/0x2000 [ 4331.097853][ T7704] inet6_addr_add+0x30e/0xa40 [ 4331.097853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.097853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.097853][ T7704] netlink_rcv_skb+0x130/0x360 [ 4331.097853][ T7704] netlink_unicast+0x449/0x710 [ 4331.097853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4331.097853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4331.097853][ T7704] ___sys_sendmsg+0xee/0x170 [ 4331.097853][ T7704] __sys_sendmsg+0xcd/0x170 [ 4331.097853][ T7704] do_syscall_64+0xc6/0x1e0 [ 4331.097853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.097853][ T7704] [ 4331.100142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4331.100142][ T7704] netdev_get_by_index+0x5e/0x80 [ 4331.100142][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4331.100142][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4331.100142][ T7704] ip6_route_add+0x1c/0x140 [ 4331.100142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4331.100142][ T7704] addrconf_add_dev+0xe2/0x170 [ 4331.100142][ T7704] inet6_addr_add+0x12f/0xa40 [ 4331.100142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.100142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.100142][ T7704] netlink_rcv_skb+0x130/0x360 [ 4331.100142][ T7704] netlink_unicast+0x449/0x710 [ 4331.100142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4331.100142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4331.100142][ T7704] ___sys_sendmsg+0xee/0x170 [ 4331.100142][ T7704] __sys_sendmsg+0xcd/0x170 [ 4331.100142][ T7704] do_syscall_64+0xc6/0x1e0 [ 4331.100142][ T7704] [ 4331.102384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4331.102384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4331.102384][ T7704] ipv6_find_idev+0x102/0x170 [ 4331.102384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4331.102384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.102384][ T7704] netlink_rcv_skb+0x130/0x360 [ 4331.102384][ T7704] netlink_unicast+0x449/0x710 [ 4331.102384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4331.102384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4331.102384][ T7704] ___sys_sendmsg+0xee/0x170 [ 4331.102384][ T7704] __sys_sendmsg+0xcd/0x170 [ 4331.102384][ T7704] do_syscall_64+0xc6/0x1e0 [ 4331.102384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.102384][ T7704] [ 4331.104133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4331.104133][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4331.104133][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4331.104133][ T7704] ipv6_find_idev+0x102/0x170 [ 4331.104133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4331.104133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.104133][ T7704] netlink_rcv_skb+0x130/0x360 [ 4331.104133][ T7704] netlink_unicast+0x449/0x710 [ 4331.104133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4331.104133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4331.104133][ T7704] ___sys_sendmsg+0xee/0x170 [ 4331.104133][ T7704] __sys_sendmsg+0xcd/0x170 [ 4331.104133][ T7704] do_syscall_64+0xc6/0x1e0 [ 4331.104133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.104133][ T7704] [ 4341.238976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4341.239511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4341.239511][ T7704] netdev_get_by_index+0x5e/0x80 [ 4341.239511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4341.239511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4341.239511][ T7704] ip6_route_add+0x1c/0x140 [ 4341.239511][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4341.239511][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4341.239511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.239511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.239511][ T7704] netlink_rcv_skb+0x130/0x360 [ 4341.239511][ T7704] netlink_unicast+0x449/0x710 [ 4341.239511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4341.239511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4341.239511][ T7704] ___sys_sendmsg+0xee/0x170 [ 4341.239511][ T7704] __sys_sendmsg+0xcd/0x170 [ 4341.239511][ T7704] do_syscall_64+0xc6/0x1e0 [ 4341.239511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.239511][ T7704] [ 4341.241869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4341.241869][ T7704] netdev_get_by_index+0x5e/0x80 [ 4341.241869][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4341.241869][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4341.241869][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4341.241869][ T7704] ipv6_add_addr+0x411/0x2000 [ 4341.241869][ T7704] inet6_addr_add+0x30e/0xa40 [ 4341.241869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.241869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.241869][ T7704] netlink_rcv_skb+0x130/0x360 [ 4341.241869][ T7704] netlink_unicast+0x449/0x710 [ 4341.241869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4341.241869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4341.241869][ T7704] ___sys_sendmsg+0xee/0x170 [ 4341.241869][ T7704] __sys_sendmsg+0xcd/0x170 [ 4341.241869][ T7704] do_syscall_64+0xc6/0x1e0 [ 4341.241869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.241869][ T7704] [ 4341.244167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4341.244167][ T7704] netdev_get_by_index+0x5e/0x80 [ 4341.244167][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4341.244167][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4341.244167][ T7704] ip6_route_add+0x1c/0x140 [ 4341.244167][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4341.244167][ T7704] addrconf_add_dev+0xe2/0x170 [ 4341.244167][ T7704] inet6_addr_add+0x12f/0xa40 [ 4341.244167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.244167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.244167][ T7704] netlink_rcv_skb+0x130/0x360 [ 4341.244167][ T7704] netlink_unicast+0x449/0x710 [ 4341.244167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4341.244167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4341.244167][ T7704] ___sys_sendmsg+0xee/0x170 [ 4341.244167][ T7704] __sys_sendmsg+0xcd/0x170 [ 4341.244167][ T7704] do_syscall_64+0xc6/0x1e0 [ 4341.244167][ T7704] [ 4341.246412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4341.246412][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4341.246412][ T7704] ipv6_find_idev+0x102/0x170 [ 4341.246412][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4341.246412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.246412][ T7704] netlink_rcv_skb+0x130/0x360 [ 4341.246412][ T7704] netlink_unicast+0x449/0x710 [ 4341.246412][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4341.246412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4341.246412][ T7704] ___sys_sendmsg+0xee/0x170 [ 4341.246412][ T7704] __sys_sendmsg+0xcd/0x170 [ 4341.246412][ T7704] do_syscall_64+0xc6/0x1e0 [ 4341.246412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.246412][ T7704] [ 4341.248165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4341.248165][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4341.248165][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4341.248165][ T7704] ipv6_find_idev+0x102/0x170 [ 4341.248165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4341.248165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.248165][ T7704] netlink_rcv_skb+0x130/0x360 [ 4341.248165][ T7704] netlink_unicast+0x449/0x710 [ 4341.248165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4341.248165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4341.248165][ T7704] ___sys_sendmsg+0xee/0x170 [ 4341.248165][ T7704] __sys_sendmsg+0xcd/0x170 [ 4341.248165][ T7704] do_syscall_64+0xc6/0x1e0 [ 4341.248165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.248165][ T7704] [ 4351.486934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4351.487430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4351.487430][ T7704] netdev_get_by_index+0x5e/0x80 [ 4351.487430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4351.487430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4351.487430][ T7704] ip6_route_add+0x1c/0x140 [ 4351.487430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4351.487430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4351.487430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.487430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.487430][ T7704] netlink_rcv_skb+0x130/0x360 [ 4351.487430][ T7704] netlink_unicast+0x449/0x710 [ 4351.487430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4351.487430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4351.487430][ T7704] ___sys_sendmsg+0xee/0x170 [ 4351.487430][ T7704] __sys_sendmsg+0xcd/0x170 [ 4351.487430][ T7704] do_syscall_64+0xc6/0x1e0 [ 4351.487430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.487430][ T7704] [ 4351.489698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4351.489698][ T7704] netdev_get_by_index+0x5e/0x80 [ 4351.489698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4351.489698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4351.489698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4351.489698][ T7704] ipv6_add_addr+0x411/0x2000 [ 4351.489698][ T7704] inet6_addr_add+0x30e/0xa40 [ 4351.489698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.489698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.489698][ T7704] netlink_rcv_skb+0x130/0x360 [ 4351.489698][ T7704] netlink_unicast+0x449/0x710 [ 4351.489698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4351.489698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4351.489698][ T7704] ___sys_sendmsg+0xee/0x170 [ 4351.489698][ T7704] __sys_sendmsg+0xcd/0x170 [ 4351.489698][ T7704] do_syscall_64+0xc6/0x1e0 [ 4351.489698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.489698][ T7704] [ 4351.491933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4351.491933][ T7704] netdev_get_by_index+0x5e/0x80 [ 4351.491933][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4351.491933][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4351.491933][ T7704] ip6_route_add+0x1c/0x140 [ 4351.491933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4351.491933][ T7704] addrconf_add_dev+0xe2/0x170 [ 4351.491933][ T7704] inet6_addr_add+0x12f/0xa40 [ 4351.491933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.491933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.491933][ T7704] netlink_rcv_skb+0x130/0x360 [ 4351.491933][ T7704] netlink_unicast+0x449/0x710 [ 4351.491933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4351.491933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4351.491933][ T7704] ___sys_sendmsg+0xee/0x170 [ 4351.491933][ T7704] __sys_sendmsg+0xcd/0x170 [ 4351.491933][ T7704] do_syscall_64+0xc6/0x1e0 [ 4351.491933][ T7704] [ 4351.494128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4351.494128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4351.494128][ T7704] ipv6_find_idev+0x102/0x170 [ 4351.494128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4351.494128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.494128][ T7704] netlink_rcv_skb+0x130/0x360 [ 4351.494128][ T7704] netlink_unicast+0x449/0x710 [ 4351.494128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4351.494128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4351.494128][ T7704] ___sys_sendmsg+0xee/0x170 [ 4351.494128][ T7704] __sys_sendmsg+0xcd/0x170 [ 4351.494128][ T7704] do_syscall_64+0xc6/0x1e0 [ 4351.494128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.494128][ T7704] [ 4351.495835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4351.495835][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4351.495835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4351.495835][ T7704] ipv6_find_idev+0x102/0x170 [ 4351.495835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4351.495835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.495835][ T7704] netlink_rcv_skb+0x130/0x360 [ 4351.495835][ T7704] netlink_unicast+0x449/0x710 [ 4351.495835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4351.495835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4351.495835][ T7704] ___sys_sendmsg+0xee/0x170 [ 4351.495835][ T7704] __sys_sendmsg+0xcd/0x170 [ 4351.495835][ T7704] do_syscall_64+0xc6/0x1e0 [ 4351.495835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.495835][ T7704] [ 4361.734898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4361.735409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4361.735409][ T7704] netdev_get_by_index+0x5e/0x80 [ 4361.735409][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4361.735409][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4361.735409][ T7704] ip6_route_add+0x1c/0x140 [ 4361.735409][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4361.735409][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4361.735409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.735409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.735409][ T7704] netlink_rcv_skb+0x130/0x360 [ 4361.735409][ T7704] netlink_unicast+0x449/0x710 [ 4361.735409][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4361.735409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4361.735409][ T7704] ___sys_sendmsg+0xee/0x170 [ 4361.735409][ T7704] __sys_sendmsg+0xcd/0x170 [ 4361.735409][ T7704] do_syscall_64+0xc6/0x1e0 [ 4361.735409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.735409][ T7704] [ 4361.737684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4361.737684][ T7704] netdev_get_by_index+0x5e/0x80 [ 4361.737684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4361.737684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4361.737684][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4361.737684][ T7704] ipv6_add_addr+0x411/0x2000 [ 4361.737684][ T7704] inet6_addr_add+0x30e/0xa40 [ 4361.737684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.737684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.737684][ T7704] netlink_rcv_skb+0x130/0x360 [ 4361.737684][ T7704] netlink_unicast+0x449/0x710 [ 4361.737684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4361.737684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4361.737684][ T7704] ___sys_sendmsg+0xee/0x170 [ 4361.737684][ T7704] __sys_sendmsg+0xcd/0x170 [ 4361.737684][ T7704] do_syscall_64+0xc6/0x1e0 [ 4361.737684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.737684][ T7704] [ 4361.739940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4361.739940][ T7704] netdev_get_by_index+0x5e/0x80 [ 4361.739940][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4361.739940][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4361.739940][ T7704] ip6_route_add+0x1c/0x140 [ 4361.739940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4361.739940][ T7704] addrconf_add_dev+0xe2/0x170 [ 4361.739940][ T7704] inet6_addr_add+0x12f/0xa40 [ 4361.739940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.739940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.739940][ T7704] netlink_rcv_skb+0x130/0x360 [ 4361.739940][ T7704] netlink_unicast+0x449/0x710 [ 4361.739940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4361.739940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4361.739940][ T7704] ___sys_sendmsg+0xee/0x170 [ 4361.739940][ T7704] __sys_sendmsg+0xcd/0x170 [ 4361.739940][ T7704] do_syscall_64+0xc6/0x1e0 [ 4361.739940][ T7704] [ 4361.742125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4361.742125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4361.742125][ T7704] ipv6_find_idev+0x102/0x170 [ 4361.742125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4361.742125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.742125][ T7704] netlink_rcv_skb+0x130/0x360 [ 4361.742125][ T7704] netlink_unicast+0x449/0x710 [ 4361.742125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4361.742125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4361.742125][ T7704] ___sys_sendmsg+0xee/0x170 [ 4361.742125][ T7704] __sys_sendmsg+0xcd/0x170 [ 4361.742125][ T7704] do_syscall_64+0xc6/0x1e0 [ 4361.742125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.742125][ T7704] [ 4361.743867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4361.743867][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4361.743867][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4361.743867][ T7704] ipv6_find_idev+0x102/0x170 [ 4361.743867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4361.743867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.743867][ T7704] netlink_rcv_skb+0x130/0x360 [ 4361.743867][ T7704] netlink_unicast+0x449/0x710 [ 4361.743867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4361.743867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4361.743867][ T7704] ___sys_sendmsg+0xee/0x170 [ 4361.743867][ T7704] __sys_sendmsg+0xcd/0x170 [ 4361.743867][ T7704] do_syscall_64+0xc6/0x1e0 [ 4361.743867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.743867][ T7704] [ 4371.750961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4371.751511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4371.751511][ T7704] netdev_get_by_index+0x5e/0x80 [ 4371.751511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4371.751511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4371.751511][ T7704] ip6_route_add+0x1c/0x140 [ 4371.751511][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4371.751511][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4371.751511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.751511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.751511][ T7704] netlink_rcv_skb+0x130/0x360 [ 4371.751511][ T7704] netlink_unicast+0x449/0x710 [ 4371.751511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4371.751511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4371.751511][ T7704] ___sys_sendmsg+0xee/0x170 [ 4371.751511][ T7704] __sys_sendmsg+0xcd/0x170 [ 4371.751511][ T7704] do_syscall_64+0xc6/0x1e0 [ 4371.751511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.751511][ T7704] [ 4371.753769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4371.753769][ T7704] netdev_get_by_index+0x5e/0x80 [ 4371.753769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4371.753769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4371.753769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4371.753769][ T7704] ipv6_add_addr+0x411/0x2000 [ 4371.753769][ T7704] inet6_addr_add+0x30e/0xa40 [ 4371.753769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.753769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.753769][ T7704] netlink_rcv_skb+0x130/0x360 [ 4371.753769][ T7704] netlink_unicast+0x449/0x710 [ 4371.753769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4371.753769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4371.753769][ T7704] ___sys_sendmsg+0xee/0x170 [ 4371.753769][ T7704] __sys_sendmsg+0xcd/0x170 [ 4371.753769][ T7704] do_syscall_64+0xc6/0x1e0 [ 4371.753769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.753769][ T7704] [ 4371.756011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4371.756011][ T7704] netdev_get_by_index+0x5e/0x80 [ 4371.756011][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4371.756011][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4371.756011][ T7704] ip6_route_add+0x1c/0x140 [ 4371.756011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4371.756011][ T7704] addrconf_add_dev+0xe2/0x170 [ 4371.756011][ T7704] inet6_addr_add+0x12f/0xa40 [ 4371.756011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.756011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.756011][ T7704] netlink_rcv_skb+0x130/0x360 [ 4371.756011][ T7704] netlink_unicast+0x449/0x710 [ 4371.756011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4371.756011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4371.756011][ T7704] ___sys_sendmsg+0xee/0x170 [ 4371.756011][ T7704] __sys_sendmsg+0xcd/0x170 [ 4371.756011][ T7704] do_syscall_64+0xc6/0x1e0 [ 4371.756011][ T7704] [ 4371.758227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4371.758227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4371.758227][ T7704] ipv6_find_idev+0x102/0x170 [ 4371.758227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4371.758227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.758227][ T7704] netlink_rcv_skb+0x130/0x360 [ 4371.758227][ T7704] netlink_unicast+0x449/0x710 [ 4371.758227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4371.758227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4371.758227][ T7704] ___sys_sendmsg+0xee/0x170 [ 4371.758227][ T7704] __sys_sendmsg+0xcd/0x170 [ 4371.758227][ T7704] do_syscall_64+0xc6/0x1e0 [ 4371.758227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.758227][ T7704] [ 4371.759953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4371.759953][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4371.759953][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4371.759953][ T7704] ipv6_find_idev+0x102/0x170 [ 4371.759953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4371.759953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.759953][ T7704] netlink_rcv_skb+0x130/0x360 [ 4371.759953][ T7704] netlink_unicast+0x449/0x710 [ 4371.759953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4371.759953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4371.759953][ T7704] ___sys_sendmsg+0xee/0x170 [ 4371.759953][ T7704] __sys_sendmsg+0xcd/0x170 [ 4371.759953][ T7704] do_syscall_64+0xc6/0x1e0 [ 4371.759953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.759953][ T7704] [ 4381.862950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4381.863404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4381.863404][ T7704] netdev_get_by_index+0x5e/0x80 [ 4381.863404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4381.863404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4381.863404][ T7704] ip6_route_add+0x1c/0x140 [ 4381.863404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4381.863404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4381.863404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.863404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.863404][ T7704] netlink_rcv_skb+0x130/0x360 [ 4381.863404][ T7704] netlink_unicast+0x449/0x710 [ 4381.863404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4381.863404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4381.863404][ T7704] ___sys_sendmsg+0xee/0x170 [ 4381.863404][ T7704] __sys_sendmsg+0xcd/0x170 [ 4381.863404][ T7704] do_syscall_64+0xc6/0x1e0 [ 4381.863404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.863404][ T7704] [ 4381.865703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4381.865703][ T7704] netdev_get_by_index+0x5e/0x80 [ 4381.865703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4381.865703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4381.865703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4381.865703][ T7704] ipv6_add_addr+0x411/0x2000 [ 4381.865703][ T7704] inet6_addr_add+0x30e/0xa40 [ 4381.865703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.865703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.865703][ T7704] netlink_rcv_skb+0x130/0x360 [ 4381.865703][ T7704] netlink_unicast+0x449/0x710 [ 4381.865703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4381.865703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4381.865703][ T7704] ___sys_sendmsg+0xee/0x170 [ 4381.865703][ T7704] __sys_sendmsg+0xcd/0x170 [ 4381.865703][ T7704] do_syscall_64+0xc6/0x1e0 [ 4381.865703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.865703][ T7704] [ 4381.867946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4381.867946][ T7704] netdev_get_by_index+0x5e/0x80 [ 4381.867946][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4381.867946][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4381.867946][ T7704] ip6_route_add+0x1c/0x140 [ 4381.867946][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4381.867946][ T7704] addrconf_add_dev+0xe2/0x170 [ 4381.867946][ T7704] inet6_addr_add+0x12f/0xa40 [ 4381.867946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.867946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.867946][ T7704] netlink_rcv_skb+0x130/0x360 [ 4381.867946][ T7704] netlink_unicast+0x449/0x710 [ 4381.867946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4381.867946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4381.867946][ T7704] ___sys_sendmsg+0xee/0x170 [ 4381.867946][ T7704] __sys_sendmsg+0xcd/0x170 [ 4381.867946][ T7704] do_syscall_64+0xc6/0x1e0 [ 4381.867946][ T7704] [ 4381.870162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4381.870162][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4381.870162][ T7704] ipv6_find_idev+0x102/0x170 [ 4381.870162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4381.870162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.870162][ T7704] netlink_rcv_skb+0x130/0x360 [ 4381.870162][ T7704] netlink_unicast+0x449/0x710 [ 4381.870162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4381.870162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4381.870162][ T7704] ___sys_sendmsg+0xee/0x170 [ 4381.870162][ T7704] __sys_sendmsg+0xcd/0x170 [ 4381.870162][ T7704] do_syscall_64+0xc6/0x1e0 [ 4381.870162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.870162][ T7704] [ 4381.871893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4381.871893][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4381.871893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4381.871893][ T7704] ipv6_find_idev+0x102/0x170 [ 4381.871893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4381.871893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.871893][ T7704] netlink_rcv_skb+0x130/0x360 [ 4381.871893][ T7704] netlink_unicast+0x449/0x710 [ 4381.871893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4381.871893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4381.871893][ T7704] ___sys_sendmsg+0xee/0x170 [ 4381.871893][ T7704] __sys_sendmsg+0xcd/0x170 [ 4381.871893][ T7704] do_syscall_64+0xc6/0x1e0 [ 4381.871893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.871893][ T7704] [ 4392.110972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4392.111481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4392.111481][ T7704] netdev_get_by_index+0x5e/0x80 [ 4392.111481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4392.111481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4392.111481][ T7704] ip6_route_add+0x1c/0x140 [ 4392.111481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4392.111481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4392.111481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4392.111481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4392.111481][ T7704] netlink_rcv_skb+0x130/0x360 [ 4392.111481][ T7704] netlink_unicast+0x449/0x710 [ 4392.111481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4392.111481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4392.111481][ T7704] ___sys_sendmsg+0xee/0x170 [ 4392.111481][ T7704] __sys_sendmsg+0xcd/0x170 [ 4392.111481][ T7704] do_syscall_64+0xc6/0x1e0 [ 4392.111481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4392.111481][ T7704] [ 4392.113797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4392.113797][ T7704] netdev_get_by_index+0x5e/0x80 [ 4392.113797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4392.113797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4392.113797][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4392.113797][ T7704] ipv6_add_addr+0x411/0x2000 [ 4392.113797][ T7704] inet6_addr_add+0x30e/0xa40 [ 4392.113797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4392.113797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4392.113797][ T7704] netlink_rcv_skb+0x130/0x360 [ 4392.113797][ T7704] netlink_unicast+0x449/0x710 [ 4392.113797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4392.113797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4392.113797][ T7704] ___sys_sendmsg+0xee/0x170 [ 4392.113797][ T7704] __sys_sendmsg+0xcd/0x170 [ 4392.113797][ T7704] do_syscall_64+0xc6/0x1e0 [ 4392.113797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4392.113797][ T7704] [ 4392.116068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4392.116068][ T7704] netdev_get_by_index+0x5e/0x80 [ 4392.116068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4392.116068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4392.116068][ T7704] ip6_route_add+0x1c/0x140 [ 4392.116068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4392.116068][ T7704] addrconf_add_dev+0xe2/0x170 [ 4392.116068][ T7704] inet6_addr_add+0x12f/0xa40 [ 4392.116068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4392.116068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4392.116068][ T7704] netlink_rcv_skb+0x130/0x360 [ 4392.116068][ T7704] netlink_unicast+0x449/0x710 [ 4392.116068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4392.116068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4392.116068][ T7704] ___sys_sendmsg+0xee/0x170 [ 4392.116068][ T7704] __sys_sendmsg+0xcd/0x170 [ 4392.116068][ T7704] do_syscall_64+0xc6/0x1e0 [ 4392.116068][ T7704] [ 4392.118272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4392.118272][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4392.118272][ T7704] ipv6_find_idev+0x102/0x170 [ 4392.118272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4392.118272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4392.118272][ T7704] netlink_rcv_skb+0x130/0x360 [ 4392.118272][ T7704] netlink_unicast+0x449/0x710 [ 4392.118272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4392.118272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4392.118272][ T7704] ___sys_sendmsg+0xee/0x170 [ 4392.118272][ T7704] __sys_sendmsg+0xcd/0x170 [ 4392.118272][ T7704] do_syscall_64+0xc6/0x1e0 [ 4392.118272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4392.118272][ T7704] [ 4392.120276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4392.120276][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4392.120276][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4392.120276][ T7704] ipv6_find_idev+0x102/0x170 [ 4392.120276][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4392.120276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4392.120276][ T7704] netlink_rcv_skb+0x130/0x360 [ 4392.120276][ T7704] netlink_unicast+0x449/0x710 [ 4392.120276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4392.120276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4392.120276][ T7704] ___sys_sendmsg+0xee/0x170 [ 4392.120276][ T7704] __sys_sendmsg+0xcd/0x170 [ 4392.120276][ T7704] do_syscall_64+0xc6/0x1e0 [ 4392.120276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4392.120276][ T7704] [ 4402.359035][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4402.359506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4402.359506][ T7704] netdev_get_by_index+0x5e/0x80 [ 4402.359506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4402.359506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4402.359506][ T7704] ip6_route_add+0x1c/0x140 [ 4402.359506][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4402.359506][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4402.359506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.359506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.359506][ T7704] netlink_rcv_skb+0x130/0x360 [ 4402.359506][ T7704] netlink_unicast+0x449/0x710 [ 4402.359506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4402.359506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4402.359506][ T7704] ___sys_sendmsg+0xee/0x170 [ 4402.359506][ T7704] __sys_sendmsg+0xcd/0x170 [ 4402.359506][ T7704] do_syscall_64+0xc6/0x1e0 [ 4402.359506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.359506][ T7704] [ 4402.361764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4402.361764][ T7704] netdev_get_by_index+0x5e/0x80 [ 4402.361764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4402.361764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4402.361764][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4402.361764][ T7704] ipv6_add_addr+0x411/0x2000 [ 4402.361764][ T7704] inet6_addr_add+0x30e/0xa40 [ 4402.361764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.361764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.361764][ T7704] netlink_rcv_skb+0x130/0x360 [ 4402.361764][ T7704] netlink_unicast+0x449/0x710 [ 4402.361764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4402.361764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4402.361764][ T7704] ___sys_sendmsg+0xee/0x170 [ 4402.361764][ T7704] __sys_sendmsg+0xcd/0x170 [ 4402.361764][ T7704] do_syscall_64+0xc6/0x1e0 [ 4402.361764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.361764][ T7704] [ 4402.364012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4402.364012][ T7704] netdev_get_by_index+0x5e/0x80 [ 4402.364012][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4402.364012][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4402.364012][ T7704] ip6_route_add+0x1c/0x140 [ 4402.364012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4402.364012][ T7704] addrconf_add_dev+0xe2/0x170 [ 4402.364012][ T7704] inet6_addr_add+0x12f/0xa40 [ 4402.364012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.364012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.364012][ T7704] netlink_rcv_skb+0x130/0x360 [ 4402.364012][ T7704] netlink_unicast+0x449/0x710 [ 4402.364012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4402.364012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4402.364012][ T7704] ___sys_sendmsg+0xee/0x170 [ 4402.364012][ T7704] __sys_sendmsg+0xcd/0x170 [ 4402.364012][ T7704] do_syscall_64+0xc6/0x1e0 [ 4402.364012][ T7704] [ 4402.366205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4402.366205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4402.366205][ T7704] ipv6_find_idev+0x102/0x170 [ 4402.366205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4402.366205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.366205][ T7704] netlink_rcv_skb+0x130/0x360 [ 4402.366205][ T7704] netlink_unicast+0x449/0x710 [ 4402.366205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4402.366205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4402.366205][ T7704] ___sys_sendmsg+0xee/0x170 [ 4402.366205][ T7704] __sys_sendmsg+0xcd/0x170 [ 4402.366205][ T7704] do_syscall_64+0xc6/0x1e0 [ 4402.366205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.366205][ T7704] [ 4402.367920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4402.367920][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4402.367920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4402.367920][ T7704] ipv6_find_idev+0x102/0x170 [ 4402.367920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4402.367920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.367920][ T7704] netlink_rcv_skb+0x130/0x360 [ 4402.367920][ T7704] netlink_unicast+0x449/0x710 [ 4402.367920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4402.367920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4402.367920][ T7704] ___sys_sendmsg+0xee/0x170 [ 4402.367920][ T7704] __sys_sendmsg+0xcd/0x170 [ 4402.367920][ T7704] do_syscall_64+0xc6/0x1e0 [ 4402.367920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.367920][ T7704] [ 4412.606955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4412.607457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4412.607457][ T7704] netdev_get_by_index+0x5e/0x80 [ 4412.607457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4412.607457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4412.607457][ T7704] ip6_route_add+0x1c/0x140 [ 4412.607457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4412.607457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4412.607457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.607457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.607457][ T7704] netlink_rcv_skb+0x130/0x360 [ 4412.607457][ T7704] netlink_unicast+0x449/0x710 [ 4412.607457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4412.607457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4412.607457][ T7704] ___sys_sendmsg+0xee/0x170 [ 4412.607457][ T7704] __sys_sendmsg+0xcd/0x170 [ 4412.607457][ T7704] do_syscall_64+0xc6/0x1e0 [ 4412.607457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.607457][ T7704] [ 4412.609775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4412.609775][ T7704] netdev_get_by_index+0x5e/0x80 [ 4412.609775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4412.609775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4412.609775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4412.609775][ T7704] ipv6_add_addr+0x411/0x2000 [ 4412.609775][ T7704] inet6_addr_add+0x30e/0xa40 [ 4412.609775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.609775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.609775][ T7704] netlink_rcv_skb+0x130/0x360 [ 4412.609775][ T7704] netlink_unicast+0x449/0x710 [ 4412.609775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4412.609775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4412.609775][ T7704] ___sys_sendmsg+0xee/0x170 [ 4412.609775][ T7704] __sys_sendmsg+0xcd/0x170 [ 4412.609775][ T7704] do_syscall_64+0xc6/0x1e0 [ 4412.609775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.609775][ T7704] [ 4412.612029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4412.612029][ T7704] netdev_get_by_index+0x5e/0x80 [ 4412.612029][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4412.612029][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4412.612029][ T7704] ip6_route_add+0x1c/0x140 [ 4412.612029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4412.612029][ T7704] addrconf_add_dev+0xe2/0x170 [ 4412.612029][ T7704] inet6_addr_add+0x12f/0xa40 [ 4412.612029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.612029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.612029][ T7704] netlink_rcv_skb+0x130/0x360 [ 4412.612029][ T7704] netlink_unicast+0x449/0x710 [ 4412.612029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4412.612029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4412.612029][ T7704] ___sys_sendmsg+0xee/0x170 [ 4412.612029][ T7704] __sys_sendmsg+0xcd/0x170 [ 4412.612029][ T7704] do_syscall_64+0xc6/0x1e0 [ 4412.612029][ T7704] [ 4412.614215][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4412.614215][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4412.614215][ T7704] ipv6_find_idev+0x102/0x170 [ 4412.614215][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4412.614215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.614215][ T7704] netlink_rcv_skb+0x130/0x360 [ 4412.614215][ T7704] netlink_unicast+0x449/0x710 [ 4412.614215][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4412.614215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4412.614215][ T7704] ___sys_sendmsg+0xee/0x170 [ 4412.614215][ T7704] __sys_sendmsg+0xcd/0x170 [ 4412.614215][ T7704] do_syscall_64+0xc6/0x1e0 [ 4412.614215][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.614215][ T7704] [ 4412.615942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4412.615942][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4412.615942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4412.615942][ T7704] ipv6_find_idev+0x102/0x170 [ 4412.615942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4412.615942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.615942][ T7704] netlink_rcv_skb+0x130/0x360 [ 4412.615942][ T7704] netlink_unicast+0x449/0x710 [ 4412.615942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4412.615942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4412.615942][ T7704] ___sys_sendmsg+0xee/0x170 [ 4412.615942][ T7704] __sys_sendmsg+0xcd/0x170 [ 4412.615942][ T7704] do_syscall_64+0xc6/0x1e0 [ 4412.615942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.615942][ T7704] [ 4422.854948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4422.855394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4422.855394][ T7704] netdev_get_by_index+0x5e/0x80 [ 4422.855394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4422.855394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4422.855394][ T7704] ip6_route_add+0x1c/0x140 [ 4422.855394][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4422.855394][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4422.855394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.855394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.855394][ T7704] netlink_rcv_skb+0x130/0x360 [ 4422.855394][ T7704] netlink_unicast+0x449/0x710 [ 4422.855394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4422.855394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4422.855394][ T7704] ___sys_sendmsg+0xee/0x170 [ 4422.855394][ T7704] __sys_sendmsg+0xcd/0x170 [ 4422.855394][ T7704] do_syscall_64+0xc6/0x1e0 [ 4422.855394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.855394][ T7704] [ 4422.857686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4422.857686][ T7704] netdev_get_by_index+0x5e/0x80 [ 4422.857686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4422.857686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4422.857686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4422.857686][ T7704] ipv6_add_addr+0x411/0x2000 [ 4422.857686][ T7704] inet6_addr_add+0x30e/0xa40 [ 4422.857686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.857686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.857686][ T7704] netlink_rcv_skb+0x130/0x360 [ 4422.857686][ T7704] netlink_unicast+0x449/0x710 [ 4422.857686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4422.857686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4422.857686][ T7704] ___sys_sendmsg+0xee/0x170 [ 4422.857686][ T7704] __sys_sendmsg+0xcd/0x170 [ 4422.857686][ T7704] do_syscall_64+0xc6/0x1e0 [ 4422.857686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.857686][ T7704] [ 4422.859926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4422.859926][ T7704] netdev_get_by_index+0x5e/0x80 [ 4422.859926][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4422.859926][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4422.859926][ T7704] ip6_route_add+0x1c/0x140 [ 4422.859926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4422.859926][ T7704] addrconf_add_dev+0xe2/0x170 [ 4422.859926][ T7704] inet6_addr_add+0x12f/0xa40 [ 4422.859926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.859926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.859926][ T7704] netlink_rcv_skb+0x130/0x360 [ 4422.859926][ T7704] netlink_unicast+0x449/0x710 [ 4422.859926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4422.859926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4422.859926][ T7704] ___sys_sendmsg+0xee/0x170 [ 4422.859926][ T7704] __sys_sendmsg+0xcd/0x170 [ 4422.859926][ T7704] do_syscall_64+0xc6/0x1e0 [ 4422.859926][ T7704] [ 4422.862146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4422.862146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4422.862146][ T7704] ipv6_find_idev+0x102/0x170 [ 4422.862146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4422.862146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.862146][ T7704] netlink_rcv_skb+0x130/0x360 [ 4422.862146][ T7704] netlink_unicast+0x449/0x710 [ 4422.862146][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4422.862146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4422.862146][ T7704] ___sys_sendmsg+0xee/0x170 [ 4422.862146][ T7704] __sys_sendmsg+0xcd/0x170 [ 4422.862146][ T7704] do_syscall_64+0xc6/0x1e0 [ 4422.862146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.862146][ T7704] [ 4422.863858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4422.863858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4422.863858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4422.863858][ T7704] ipv6_find_idev+0x102/0x170 [ 4422.863858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4422.863858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.863858][ T7704] netlink_rcv_skb+0x130/0x360 [ 4422.863858][ T7704] netlink_unicast+0x449/0x710 [ 4422.863858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4422.863858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4422.863858][ T7704] ___sys_sendmsg+0xee/0x170 [ 4422.863858][ T7704] __sys_sendmsg+0xcd/0x170 [ 4422.863858][ T7704] do_syscall_64+0xc6/0x1e0 [ 4422.863858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.863858][ T7704] [ 4433.102956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4433.103598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4433.103598][ T7704] netdev_get_by_index+0x5e/0x80 [ 4433.103598][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4433.103598][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4433.103598][ T7704] ip6_route_add+0x1c/0x140 [ 4433.103598][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4433.103598][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4433.103598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4433.103598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4433.103598][ T7704] netlink_rcv_skb+0x130/0x360 [ 4433.103598][ T7704] netlink_unicast+0x449/0x710 [ 4433.103598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4433.103598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4433.103598][ T7704] ___sys_sendmsg+0xee/0x170 [ 4433.103598][ T7704] __sys_sendmsg+0xcd/0x170 [ 4433.103598][ T7704] do_syscall_64+0xc6/0x1e0 [ 4433.103598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4433.103598][ T7704] [ 4433.107138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4433.107138][ T7704] netdev_get_by_index+0x5e/0x80 [ 4433.107138][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4433.107138][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4433.107138][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4433.107138][ T7704] ipv6_add_addr+0x411/0x2000 [ 4433.107138][ T7704] inet6_addr_add+0x30e/0xa40 [ 4433.107138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4433.107138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4433.107138][ T7704] netlink_rcv_skb+0x130/0x360 [ 4433.107138][ T7704] netlink_unicast+0x449/0x710 [ 4433.107138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4433.107138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4433.107138][ T7704] ___sys_sendmsg+0xee/0x170 [ 4433.107138][ T7704] __sys_sendmsg+0xcd/0x170 [ 4433.107138][ T7704] do_syscall_64+0xc6/0x1e0 [ 4433.107138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4433.107138][ T7704] [ 4433.110671][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4433.110671][ T7704] netdev_get_by_index+0x5e/0x80 [ 4433.110671][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4433.110671][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4433.110671][ T7704] ip6_route_add+0x1c/0x140 [ 4433.110671][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4433.110671][ T7704] addrconf_add_dev+0xe2/0x170 [ 4433.110671][ T7704] inet6_addr_add+0x12f/0xa40 [ 4433.110671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4433.110671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4433.110671][ T7704] netlink_rcv_skb+0x130/0x360 [ 4433.110671][ T7704] netlink_unicast+0x449/0x710 [ 4433.110671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4433.110671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4433.110671][ T7704] ___sys_sendmsg+0xee/0x170 [ 4433.110671][ T7704] __sys_sendmsg+0xcd/0x170 [ 4433.110671][ T7704] do_syscall_64+0xc6/0x1e0 [ 4433.110671][ T7704] [ 4433.113980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4433.113980][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4433.113980][ T7704] ipv6_find_idev+0x102/0x170 [ 4433.113980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4433.113980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4433.113980][ T7704] netlink_rcv_skb+0x130/0x360 [ 4433.113980][ T7704] netlink_unicast+0x449/0x710 [ 4433.113980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4433.113980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4433.113980][ T7704] ___sys_sendmsg+0xee/0x170 [ 4433.113980][ T7704] __sys_sendmsg+0xcd/0x170 [ 4433.113980][ T7704] do_syscall_64+0xc6/0x1e0 [ 4433.113980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4433.113980][ T7704] [ 4433.116717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4433.116717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4433.116717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4433.116717][ T7704] ipv6_find_idev+0x102/0x170 [ 4433.116717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4433.116717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4433.116717][ T7704] netlink_rcv_skb+0x130/0x360 [ 4433.116717][ T7704] netlink_unicast+0x449/0x710 [ 4433.116717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4433.116717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4433.116717][ T7704] ___sys_sendmsg+0xee/0x170 [ 4433.116717][ T7704] __sys_sendmsg+0xcd/0x170 [ 4433.116717][ T7704] do_syscall_64+0xc6/0x1e0 [ 4433.116717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4433.116717][ T7704] [ 4443.150907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4443.151376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4443.151376][ T7704] netdev_get_by_index+0x5e/0x80 [ 4443.151376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4443.151376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4443.151376][ T7704] ip6_route_add+0x1c/0x140 [ 4443.151376][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4443.151376][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4443.151376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.151376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.151376][ T7704] netlink_rcv_skb+0x130/0x360 [ 4443.151376][ T7704] netlink_unicast+0x449/0x710 [ 4443.151376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4443.151376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4443.151376][ T7704] ___sys_sendmsg+0xee/0x170 [ 4443.151376][ T7704] __sys_sendmsg+0xcd/0x170 [ 4443.151376][ T7704] do_syscall_64+0xc6/0x1e0 [ 4443.151376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.151376][ T7704] [ 4443.153715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4443.153715][ T7704] netdev_get_by_index+0x5e/0x80 [ 4443.153715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4443.153715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4443.153715][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4443.153715][ T7704] ipv6_add_addr+0x411/0x2000 [ 4443.153715][ T7704] inet6_addr_add+0x30e/0xa40 [ 4443.153715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.153715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.153715][ T7704] netlink_rcv_skb+0x130/0x360 [ 4443.153715][ T7704] netlink_unicast+0x449/0x710 [ 4443.153715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4443.153715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4443.153715][ T7704] ___sys_sendmsg+0xee/0x170 [ 4443.153715][ T7704] __sys_sendmsg+0xcd/0x170 [ 4443.153715][ T7704] do_syscall_64+0xc6/0x1e0 [ 4443.153715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.153715][ T7704] [ 4443.155931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4443.155931][ T7704] netdev_get_by_index+0x5e/0x80 [ 4443.155931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4443.155931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4443.155931][ T7704] ip6_route_add+0x1c/0x140 [ 4443.155931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4443.155931][ T7704] addrconf_add_dev+0xe2/0x170 [ 4443.155931][ T7704] inet6_addr_add+0x12f/0xa40 [ 4443.155931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.155931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.155931][ T7704] netlink_rcv_skb+0x130/0x360 [ 4443.155931][ T7704] netlink_unicast+0x449/0x710 [ 4443.155931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4443.155931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4443.155931][ T7704] ___sys_sendmsg+0xee/0x170 [ 4443.155931][ T7704] __sys_sendmsg+0xcd/0x170 [ 4443.155931][ T7704] do_syscall_64+0xc6/0x1e0 [ 4443.155931][ T7704] [ 4443.158108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4443.158108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4443.158108][ T7704] ipv6_find_idev+0x102/0x170 [ 4443.158108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4443.158108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.158108][ T7704] netlink_rcv_skb+0x130/0x360 [ 4443.158108][ T7704] netlink_unicast+0x449/0x710 [ 4443.158108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4443.158108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4443.158108][ T7704] ___sys_sendmsg+0xee/0x170 [ 4443.158108][ T7704] __sys_sendmsg+0xcd/0x170 [ 4443.158108][ T7704] do_syscall_64+0xc6/0x1e0 [ 4443.158108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.158108][ T7704] [ 4443.160361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4443.160361][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4443.160361][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4443.160361][ T7704] ipv6_find_idev+0x102/0x170 [ 4443.160361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4443.160361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.160361][ T7704] netlink_rcv_skb+0x130/0x360 [ 4443.160361][ T7704] netlink_unicast+0x449/0x710 [ 4443.160361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4443.160361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4443.160361][ T7704] ___sys_sendmsg+0xee/0x170 [ 4443.160361][ T7704] __sys_sendmsg+0xcd/0x170 [ 4443.160361][ T7704] do_syscall_64+0xc6/0x1e0 [ 4443.160361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.160361][ T7704] [ 4453.214939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4453.215444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4453.215444][ T7704] netdev_get_by_index+0x5e/0x80 [ 4453.215444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4453.215444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4453.215444][ T7704] ip6_route_add+0x1c/0x140 [ 4453.215444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4453.215444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4453.215444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.215444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.215444][ T7704] netlink_rcv_skb+0x130/0x360 [ 4453.215444][ T7704] netlink_unicast+0x449/0x710 [ 4453.215444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4453.215444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4453.215444][ T7704] ___sys_sendmsg+0xee/0x170 [ 4453.215444][ T7704] __sys_sendmsg+0xcd/0x170 [ 4453.215444][ T7704] do_syscall_64+0xc6/0x1e0 [ 4453.215444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.215444][ T7704] [ 4453.217703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4453.217703][ T7704] netdev_get_by_index+0x5e/0x80 [ 4453.217703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4453.217703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4453.217703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4453.217703][ T7704] ipv6_add_addr+0x411/0x2000 [ 4453.217703][ T7704] inet6_addr_add+0x30e/0xa40 [ 4453.217703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.217703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.217703][ T7704] netlink_rcv_skb+0x130/0x360 [ 4453.217703][ T7704] netlink_unicast+0x449/0x710 [ 4453.217703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4453.217703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4453.217703][ T7704] ___sys_sendmsg+0xee/0x170 [ 4453.217703][ T7704] __sys_sendmsg+0xcd/0x170 [ 4453.217703][ T7704] do_syscall_64+0xc6/0x1e0 [ 4453.217703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.217703][ T7704] [ 4453.222239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4453.222239][ T7704] netdev_get_by_index+0x5e/0x80 [ 4453.222239][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4453.222239][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4453.222239][ T7704] ip6_route_add+0x1c/0x140 [ 4453.222239][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4453.222239][ T7704] addrconf_add_dev+0xe2/0x170 [ 4453.222239][ T7704] inet6_addr_add+0x12f/0xa40 [ 4453.222239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.222239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.222239][ T7704] netlink_rcv_skb+0x130/0x360 [ 4453.222239][ T7704] netlink_unicast+0x449/0x710 [ 4453.222239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4453.222239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4453.222239][ T7704] ___sys_sendmsg+0xee/0x170 [ 4453.222239][ T7704] __sys_sendmsg+0xcd/0x170 [ 4453.222239][ T7704] do_syscall_64+0xc6/0x1e0 [ 4453.222239][ T7704] [ 4453.224438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4453.224438][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4453.224438][ T7704] ipv6_find_idev+0x102/0x170 [ 4453.224438][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4453.224438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.224438][ T7704] netlink_rcv_skb+0x130/0x360 [ 4453.224438][ T7704] netlink_unicast+0x449/0x710 [ 4453.224438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4453.224438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4453.224438][ T7704] ___sys_sendmsg+0xee/0x170 [ 4453.224438][ T7704] __sys_sendmsg+0xcd/0x170 [ 4453.224438][ T7704] do_syscall_64+0xc6/0x1e0 [ 4453.224438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.224438][ T7704] [ 4453.226169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4453.226169][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4453.226169][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4453.226169][ T7704] ipv6_find_idev+0x102/0x170 [ 4453.226169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4453.226169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.226169][ T7704] netlink_rcv_skb+0x130/0x360 [ 4453.226169][ T7704] netlink_unicast+0x449/0x710 [ 4453.226169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4453.226169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4453.226169][ T7704] ___sys_sendmsg+0xee/0x170 [ 4453.226169][ T7704] __sys_sendmsg+0xcd/0x170 [ 4453.226169][ T7704] do_syscall_64+0xc6/0x1e0 [ 4453.226169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.226169][ T7704] [ 4463.390954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4463.391457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4463.391457][ T7704] netdev_get_by_index+0x5e/0x80 [ 4463.391457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4463.391457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4463.391457][ T7704] ip6_route_add+0x1c/0x140 [ 4463.391457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4463.391457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4463.391457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.391457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.391457][ T7704] netlink_rcv_skb+0x130/0x360 [ 4463.391457][ T7704] netlink_unicast+0x449/0x710 [ 4463.391457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4463.391457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4463.391457][ T7704] ___sys_sendmsg+0xee/0x170 [ 4463.391457][ T7704] __sys_sendmsg+0xcd/0x170 [ 4463.391457][ T7704] do_syscall_64+0xc6/0x1e0 [ 4463.391457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.391457][ T7704] [ 4463.393712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4463.393712][ T7704] netdev_get_by_index+0x5e/0x80 [ 4463.393712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4463.393712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4463.393712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4463.393712][ T7704] ipv6_add_addr+0x411/0x2000 [ 4463.393712][ T7704] inet6_addr_add+0x30e/0xa40 [ 4463.393712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.393712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.393712][ T7704] netlink_rcv_skb+0x130/0x360 [ 4463.393712][ T7704] netlink_unicast+0x449/0x710 [ 4463.393712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4463.393712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4463.393712][ T7704] ___sys_sendmsg+0xee/0x170 [ 4463.393712][ T7704] __sys_sendmsg+0xcd/0x170 [ 4463.393712][ T7704] do_syscall_64+0xc6/0x1e0 [ 4463.393712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.393712][ T7704] [ 4463.395961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4463.395961][ T7704] netdev_get_by_index+0x5e/0x80 [ 4463.395961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4463.395961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4463.395961][ T7704] ip6_route_add+0x1c/0x140 [ 4463.395961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4463.395961][ T7704] addrconf_add_dev+0xe2/0x170 [ 4463.395961][ T7704] inet6_addr_add+0x12f/0xa40 [ 4463.395961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.395961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.395961][ T7704] netlink_rcv_skb+0x130/0x360 [ 4463.395961][ T7704] netlink_unicast+0x449/0x710 [ 4463.395961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4463.395961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4463.395961][ T7704] ___sys_sendmsg+0xee/0x170 [ 4463.395961][ T7704] __sys_sendmsg+0xcd/0x170 [ 4463.395961][ T7704] do_syscall_64+0xc6/0x1e0 [ 4463.395961][ T7704] [ 4463.398153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4463.398153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4463.398153][ T7704] ipv6_find_idev+0x102/0x170 [ 4463.398153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4463.398153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.398153][ T7704] netlink_rcv_skb+0x130/0x360 [ 4463.398153][ T7704] netlink_unicast+0x449/0x710 [ 4463.398153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4463.398153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4463.398153][ T7704] ___sys_sendmsg+0xee/0x170 [ 4463.398153][ T7704] __sys_sendmsg+0xcd/0x170 [ 4463.398153][ T7704] do_syscall_64+0xc6/0x1e0 [ 4463.398153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.398153][ T7704] [ 4463.399883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4463.399883][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4463.399883][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4463.399883][ T7704] ipv6_find_idev+0x102/0x170 [ 4463.399883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4463.399883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.399883][ T7704] netlink_rcv_skb+0x130/0x360 [ 4463.399883][ T7704] netlink_unicast+0x449/0x710 [ 4463.399883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4463.399883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4463.399883][ T7704] ___sys_sendmsg+0xee/0x170 [ 4463.399883][ T7704] __sys_sendmsg+0xcd/0x170 [ 4463.399883][ T7704] do_syscall_64+0xc6/0x1e0 [ 4463.399883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.399883][ T7704] [ 4473.470949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4473.471455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4473.471455][ T7704] netdev_get_by_index+0x5e/0x80 [ 4473.471455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4473.471455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4473.471455][ T7704] ip6_route_add+0x1c/0x140 [ 4473.471455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4473.471455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4473.471455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.471455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.471455][ T7704] netlink_rcv_skb+0x130/0x360 [ 4473.471455][ T7704] netlink_unicast+0x449/0x710 [ 4473.471455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4473.471455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4473.471455][ T7704] ___sys_sendmsg+0xee/0x170 [ 4473.471455][ T7704] __sys_sendmsg+0xcd/0x170 [ 4473.471455][ T7704] do_syscall_64+0xc6/0x1e0 [ 4473.471455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.471455][ T7704] [ 4473.473723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4473.473723][ T7704] netdev_get_by_index+0x5e/0x80 [ 4473.473723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4473.473723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4473.473723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4473.473723][ T7704] ipv6_add_addr+0x411/0x2000 [ 4473.473723][ T7704] inet6_addr_add+0x30e/0xa40 [ 4473.473723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.473723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.473723][ T7704] netlink_rcv_skb+0x130/0x360 [ 4473.473723][ T7704] netlink_unicast+0x449/0x710 [ 4473.473723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4473.473723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4473.473723][ T7704] ___sys_sendmsg+0xee/0x170 [ 4473.473723][ T7704] __sys_sendmsg+0xcd/0x170 [ 4473.473723][ T7704] do_syscall_64+0xc6/0x1e0 [ 4473.473723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.473723][ T7704] [ 4473.475954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4473.475954][ T7704] netdev_get_by_index+0x5e/0x80 [ 4473.475954][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4473.475954][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4473.475954][ T7704] ip6_route_add+0x1c/0x140 [ 4473.475954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4473.475954][ T7704] addrconf_add_dev+0xe2/0x170 [ 4473.475954][ T7704] inet6_addr_add+0x12f/0xa40 [ 4473.475954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.475954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.475954][ T7704] netlink_rcv_skb+0x130/0x360 [ 4473.475954][ T7704] netlink_unicast+0x449/0x710 [ 4473.475954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4473.475954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4473.475954][ T7704] ___sys_sendmsg+0xee/0x170 [ 4473.475954][ T7704] __sys_sendmsg+0xcd/0x170 [ 4473.475954][ T7704] do_syscall_64+0xc6/0x1e0 [ 4473.475954][ T7704] [ 4473.478166][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4473.478166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4473.478166][ T7704] ipv6_find_idev+0x102/0x170 [ 4473.478166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4473.478166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.478166][ T7704] netlink_rcv_skb+0x130/0x360 [ 4473.478166][ T7704] netlink_unicast+0x449/0x710 [ 4473.478166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4473.478166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4473.478166][ T7704] ___sys_sendmsg+0xee/0x170 [ 4473.478166][ T7704] __sys_sendmsg+0xcd/0x170 [ 4473.478166][ T7704] do_syscall_64+0xc6/0x1e0 [ 4473.478166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.478166][ T7704] [ 4473.482321][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4473.482321][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4473.482321][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4473.482321][ T7704] ipv6_find_idev+0x102/0x170 [ 4473.482321][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4473.482321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.482321][ T7704] netlink_rcv_skb+0x130/0x360 [ 4473.482321][ T7704] netlink_unicast+0x449/0x710 [ 4473.482321][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4473.482321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4473.482321][ T7704] ___sys_sendmsg+0xee/0x170 [ 4473.482321][ T7704] __sys_sendmsg+0xcd/0x170 [ 4473.482321][ T7704] do_syscall_64+0xc6/0x1e0 [ 4473.482321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.482321][ T7704] [ 4483.550935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4483.551461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4483.551461][ T7704] netdev_get_by_index+0x5e/0x80 [ 4483.551461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4483.551461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4483.551461][ T7704] ip6_route_add+0x1c/0x140 [ 4483.551461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4483.551461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4483.551461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4483.551461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4483.551461][ T7704] netlink_rcv_skb+0x130/0x360 [ 4483.551461][ T7704] netlink_unicast+0x449/0x710 [ 4483.551461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4483.551461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4483.551461][ T7704] ___sys_sendmsg+0xee/0x170 [ 4483.551461][ T7704] __sys_sendmsg+0xcd/0x170 [ 4483.551461][ T7704] do_syscall_64+0xc6/0x1e0 [ 4483.551461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4483.551461][ T7704] [ 4483.553738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4483.553738][ T7704] netdev_get_by_index+0x5e/0x80 [ 4483.553738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4483.553738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4483.553738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4483.553738][ T7704] ipv6_add_addr+0x411/0x2000 [ 4483.553738][ T7704] inet6_addr_add+0x30e/0xa40 [ 4483.553738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4483.553738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4483.553738][ T7704] netlink_rcv_skb+0x130/0x360 [ 4483.553738][ T7704] netlink_unicast+0x449/0x710 [ 4483.553738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4483.553738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4483.553738][ T7704] ___sys_sendmsg+0xee/0x170 [ 4483.553738][ T7704] __sys_sendmsg+0xcd/0x170 [ 4483.553738][ T7704] do_syscall_64+0xc6/0x1e0 [ 4483.553738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4483.553738][ T7704] [ 4483.555981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4483.555981][ T7704] netdev_get_by_index+0x5e/0x80 [ 4483.555981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4483.555981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4483.555981][ T7704] ip6_route_add+0x1c/0x140 [ 4483.555981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4483.555981][ T7704] addrconf_add_dev+0xe2/0x170 [ 4483.555981][ T7704] inet6_addr_add+0x12f/0xa40 [ 4483.555981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4483.555981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4483.555981][ T7704] netlink_rcv_skb+0x130/0x360 [ 4483.555981][ T7704] netlink_unicast+0x449/0x710 [ 4483.555981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4483.555981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4483.555981][ T7704] ___sys_sendmsg+0xee/0x170 [ 4483.555981][ T7704] __sys_sendmsg+0xcd/0x170 [ 4483.555981][ T7704] do_syscall_64+0xc6/0x1e0 [ 4483.555981][ T7704] [ 4483.558170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4483.558170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4483.558170][ T7704] ipv6_find_idev+0x102/0x170 [ 4483.558170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4483.558170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4483.558170][ T7704] netlink_rcv_skb+0x130/0x360 [ 4483.558170][ T7704] netlink_unicast+0x449/0x710 [ 4483.558170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4483.558170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4483.558170][ T7704] ___sys_sendmsg+0xee/0x170 [ 4483.558170][ T7704] __sys_sendmsg+0xcd/0x170 [ 4483.558170][ T7704] do_syscall_64+0xc6/0x1e0 [ 4483.558170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4483.558170][ T7704] [ 4483.559886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4483.559886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4483.559886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4483.559886][ T7704] ipv6_find_idev+0x102/0x170 [ 4483.559886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4483.559886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4483.559886][ T7704] netlink_rcv_skb+0x130/0x360 [ 4483.559886][ T7704] netlink_unicast+0x449/0x710 [ 4483.559886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4483.559886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4483.559886][ T7704] ___sys_sendmsg+0xee/0x170 [ 4483.559886][ T7704] __sys_sendmsg+0xcd/0x170 [ 4483.559886][ T7704] do_syscall_64+0xc6/0x1e0 [ 4483.559886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4483.559886][ T7704] [ 4493.798898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4493.799397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4493.799397][ T7704] netdev_get_by_index+0x5e/0x80 [ 4493.799397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4493.799397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4493.799397][ T7704] ip6_route_add+0x1c/0x140 [ 4493.799397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4493.799397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4493.799397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4493.799397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4493.799397][ T7704] netlink_rcv_skb+0x130/0x360 [ 4493.799397][ T7704] netlink_unicast+0x449/0x710 [ 4493.799397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4493.799397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4493.799397][ T7704] ___sys_sendmsg+0xee/0x170 [ 4493.799397][ T7704] __sys_sendmsg+0xcd/0x170 [ 4493.799397][ T7704] do_syscall_64+0xc6/0x1e0 [ 4493.799397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4493.799397][ T7704] [ 4493.801646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4493.801646][ T7704] netdev_get_by_index+0x5e/0x80 [ 4493.801646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4493.801646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4493.801646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4493.801646][ T7704] ipv6_add_addr+0x411/0x2000 [ 4493.801646][ T7704] inet6_addr_add+0x30e/0xa40 [ 4493.801646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4493.801646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4493.801646][ T7704] netlink_rcv_skb+0x130/0x360 [ 4493.801646][ T7704] netlink_unicast+0x449/0x710 [ 4493.801646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4493.801646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4493.801646][ T7704] ___sys_sendmsg+0xee/0x170 [ 4493.801646][ T7704] __sys_sendmsg+0xcd/0x170 [ 4493.801646][ T7704] do_syscall_64+0xc6/0x1e0 [ 4493.801646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4493.801646][ T7704] [ 4493.803865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4493.803865][ T7704] netdev_get_by_index+0x5e/0x80 [ 4493.803865][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4493.803865][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4493.803865][ T7704] ip6_route_add+0x1c/0x140 [ 4493.803865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4493.803865][ T7704] addrconf_add_dev+0xe2/0x170 [ 4493.803865][ T7704] inet6_addr_add+0x12f/0xa40 [ 4493.803865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4493.803865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4493.803865][ T7704] netlink_rcv_skb+0x130/0x360 [ 4493.803865][ T7704] netlink_unicast+0x449/0x710 [ 4493.803865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4493.803865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4493.803865][ T7704] ___sys_sendmsg+0xee/0x170 [ 4493.803865][ T7704] __sys_sendmsg+0xcd/0x170 [ 4493.803865][ T7704] do_syscall_64+0xc6/0x1e0 [ 4493.803865][ T7704] [ 4493.806050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4493.806050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4493.806050][ T7704] ipv6_find_idev+0x102/0x170 [ 4493.806050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4493.806050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4493.806050][ T7704] netlink_rcv_skb+0x130/0x360 [ 4493.806050][ T7704] netlink_unicast+0x449/0x710 [ 4493.806050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4493.806050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4493.806050][ T7704] ___sys_sendmsg+0xee/0x170 [ 4493.806050][ T7704] __sys_sendmsg+0xcd/0x170 [ 4493.806050][ T7704] do_syscall_64+0xc6/0x1e0 [ 4493.806050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4493.806050][ T7704] [ 4493.807755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4493.807755][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4493.807755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4493.807755][ T7704] ipv6_find_idev+0x102/0x170 [ 4493.807755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4493.807755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4493.807755][ T7704] netlink_rcv_skb+0x130/0x360 [ 4493.807755][ T7704] netlink_unicast+0x449/0x710 [ 4493.807755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4493.807755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4493.807755][ T7704] ___sys_sendmsg+0xee/0x170 [ 4493.807755][ T7704] __sys_sendmsg+0xcd/0x170 [ 4493.807755][ T7704] do_syscall_64+0xc6/0x1e0 [ 4493.807755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4493.807755][ T7704] [ 4503.958963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4503.959498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4503.959498][ T7704] netdev_get_by_index+0x5e/0x80 [ 4503.959498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4503.959498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4503.959498][ T7704] ip6_route_add+0x1c/0x140 [ 4503.959498][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4503.959498][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4503.959498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4503.959498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4503.959498][ T7704] netlink_rcv_skb+0x130/0x360 [ 4503.959498][ T7704] netlink_unicast+0x449/0x710 [ 4503.959498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4503.959498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4503.959498][ T7704] ___sys_sendmsg+0xee/0x170 [ 4503.959498][ T7704] __sys_sendmsg+0xcd/0x170 [ 4503.959498][ T7704] do_syscall_64+0xc6/0x1e0 [ 4503.959498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4503.959498][ T7704] [ 4503.961832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4503.961832][ T7704] netdev_get_by_index+0x5e/0x80 [ 4503.961832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4503.961832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4503.961832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4503.961832][ T7704] ipv6_add_addr+0x411/0x2000 [ 4503.961832][ T7704] inet6_addr_add+0x30e/0xa40 [ 4503.961832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4503.961832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4503.961832][ T7704] netlink_rcv_skb+0x130/0x360 [ 4503.961832][ T7704] netlink_unicast+0x449/0x710 [ 4503.961832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4503.961832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4503.961832][ T7704] ___sys_sendmsg+0xee/0x170 [ 4503.961832][ T7704] __sys_sendmsg+0xcd/0x170 [ 4503.961832][ T7704] do_syscall_64+0xc6/0x1e0 [ 4503.961832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4503.961832][ T7704] [ 4503.964117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4503.964117][ T7704] netdev_get_by_index+0x5e/0x80 [ 4503.964117][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4503.964117][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4503.964117][ T7704] ip6_route_add+0x1c/0x140 [ 4503.964117][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4503.964117][ T7704] addrconf_add_dev+0xe2/0x170 [ 4503.964117][ T7704] inet6_addr_add+0x12f/0xa40 [ 4503.964117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4503.964117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4503.964117][ T7704] netlink_rcv_skb+0x130/0x360 [ 4503.964117][ T7704] netlink_unicast+0x449/0x710 [ 4503.964117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4503.964117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4503.964117][ T7704] ___sys_sendmsg+0xee/0x170 [ 4503.964117][ T7704] __sys_sendmsg+0xcd/0x170 [ 4503.964117][ T7704] do_syscall_64+0xc6/0x1e0 [ 4503.964117][ T7704] [ 4503.966356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4503.966356][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4503.966356][ T7704] ipv6_find_idev+0x102/0x170 [ 4503.966356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4503.966356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4503.966356][ T7704] netlink_rcv_skb+0x130/0x360 [ 4503.966356][ T7704] netlink_unicast+0x449/0x710 [ 4503.966356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4503.966356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4503.966356][ T7704] ___sys_sendmsg+0xee/0x170 [ 4503.966356][ T7704] __sys_sendmsg+0xcd/0x170 [ 4503.966356][ T7704] do_syscall_64+0xc6/0x1e0 [ 4503.966356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4503.966356][ T7704] [ 4503.968107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4503.968107][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4503.968107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4503.968107][ T7704] ipv6_find_idev+0x102/0x170 [ 4503.968107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4503.968107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4503.968107][ T7704] netlink_rcv_skb+0x130/0x360 [ 4503.968107][ T7704] netlink_unicast+0x449/0x710 [ 4503.968107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4503.968107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4503.968107][ T7704] ___sys_sendmsg+0xee/0x170 [ 4503.968107][ T7704] __sys_sendmsg+0xcd/0x170 [ 4503.968107][ T7704] do_syscall_64+0xc6/0x1e0 [ 4503.968107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4503.968107][ T7704] [ 4514.206978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4514.207541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4514.207541][ T7704] netdev_get_by_index+0x5e/0x80 [ 4514.207541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4514.207541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4514.207541][ T7704] ip6_route_add+0x1c/0x140 [ 4514.207541][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4514.207541][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4514.207541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.207541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.207541][ T7704] netlink_rcv_skb+0x130/0x360 [ 4514.207541][ T7704] netlink_unicast+0x449/0x710 [ 4514.207541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4514.207541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4514.207541][ T7704] ___sys_sendmsg+0xee/0x170 [ 4514.207541][ T7704] __sys_sendmsg+0xcd/0x170 [ 4514.207541][ T7704] do_syscall_64+0xc6/0x1e0 [ 4514.207541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.207541][ T7704] [ 4514.209851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4514.209851][ T7704] netdev_get_by_index+0x5e/0x80 [ 4514.209851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4514.209851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4514.209851][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4514.209851][ T7704] ipv6_add_addr+0x411/0x2000 [ 4514.209851][ T7704] inet6_addr_add+0x30e/0xa40 [ 4514.209851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.209851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.209851][ T7704] netlink_rcv_skb+0x130/0x360 [ 4514.209851][ T7704] netlink_unicast+0x449/0x710 [ 4514.209851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4514.209851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4514.209851][ T7704] ___sys_sendmsg+0xee/0x170 [ 4514.209851][ T7704] __sys_sendmsg+0xcd/0x170 [ 4514.209851][ T7704] do_syscall_64+0xc6/0x1e0 [ 4514.209851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.209851][ T7704] [ 4514.212129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4514.212129][ T7704] netdev_get_by_index+0x5e/0x80 [ 4514.212129][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4514.212129][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4514.212129][ T7704] ip6_route_add+0x1c/0x140 [ 4514.212129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4514.212129][ T7704] addrconf_add_dev+0xe2/0x170 [ 4514.212129][ T7704] inet6_addr_add+0x12f/0xa40 [ 4514.212129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.212129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.212129][ T7704] netlink_rcv_skb+0x130/0x360 [ 4514.212129][ T7704] netlink_unicast+0x449/0x710 [ 4514.212129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4514.212129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4514.212129][ T7704] ___sys_sendmsg+0xee/0x170 [ 4514.212129][ T7704] __sys_sendmsg+0xcd/0x170 [ 4514.212129][ T7704] do_syscall_64+0xc6/0x1e0 [ 4514.212129][ T7704] [ 4514.214384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4514.214384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4514.214384][ T7704] ipv6_find_idev+0x102/0x170 [ 4514.214384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4514.214384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.214384][ T7704] netlink_rcv_skb+0x130/0x360 [ 4514.214384][ T7704] netlink_unicast+0x449/0x710 [ 4514.214384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4514.214384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4514.214384][ T7704] ___sys_sendmsg+0xee/0x170 [ 4514.214384][ T7704] __sys_sendmsg+0xcd/0x170 [ 4514.214384][ T7704] do_syscall_64+0xc6/0x1e0 [ 4514.214384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.214384][ T7704] [ 4514.216137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4514.216137][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4514.216137][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4514.216137][ T7704] ipv6_find_idev+0x102/0x170 [ 4514.216137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4514.216137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.216137][ T7704] netlink_rcv_skb+0x130/0x360 [ 4514.216137][ T7704] netlink_unicast+0x449/0x710 [ 4514.216137][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4514.216137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4514.216137][ T7704] ___sys_sendmsg+0xee/0x170 [ 4514.216137][ T7704] __sys_sendmsg+0xcd/0x170 [ 4514.216137][ T7704] do_syscall_64+0xc6/0x1e0 [ 4514.216137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.216137][ T7704] [ 4524.454944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4524.455389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4524.455389][ T7704] netdev_get_by_index+0x5e/0x80 [ 4524.455389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4524.455389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4524.455389][ T7704] ip6_route_add+0x1c/0x140 [ 4524.455389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4524.455389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4524.455389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4524.455389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4524.455389][ T7704] netlink_rcv_skb+0x130/0x360 [ 4524.455389][ T7704] netlink_unicast+0x449/0x710 [ 4524.455389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4524.455389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4524.455389][ T7704] ___sys_sendmsg+0xee/0x170 [ 4524.455389][ T7704] __sys_sendmsg+0xcd/0x170 [ 4524.455389][ T7704] do_syscall_64+0xc6/0x1e0 [ 4524.455389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4524.455389][ T7704] [ 4524.457648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4524.457648][ T7704] netdev_get_by_index+0x5e/0x80 [ 4524.457648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4524.457648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4524.457648][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4524.457648][ T7704] ipv6_add_addr+0x411/0x2000 [ 4524.457648][ T7704] inet6_addr_add+0x30e/0xa40 [ 4524.457648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4524.457648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4524.457648][ T7704] netlink_rcv_skb+0x130/0x360 [ 4524.457648][ T7704] netlink_unicast+0x449/0x710 [ 4524.457648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4524.457648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4524.457648][ T7704] ___sys_sendmsg+0xee/0x170 [ 4524.457648][ T7704] __sys_sendmsg+0xcd/0x170 [ 4524.457648][ T7704] do_syscall_64+0xc6/0x1e0 [ 4524.457648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4524.457648][ T7704] [ 4524.459887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4524.459887][ T7704] netdev_get_by_index+0x5e/0x80 [ 4524.459887][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4524.459887][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4524.459887][ T7704] ip6_route_add+0x1c/0x140 [ 4524.459887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4524.459887][ T7704] addrconf_add_dev+0xe2/0x170 [ 4524.459887][ T7704] inet6_addr_add+0x12f/0xa40 [ 4524.459887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4524.459887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4524.459887][ T7704] netlink_rcv_skb+0x130/0x360 [ 4524.459887][ T7704] netlink_unicast+0x449/0x710 [ 4524.459887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4524.459887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4524.459887][ T7704] ___sys_sendmsg+0xee/0x170 [ 4524.459887][ T7704] __sys_sendmsg+0xcd/0x170 [ 4524.459887][ T7704] do_syscall_64+0xc6/0x1e0 [ 4524.459887][ T7704] [ 4524.462079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4524.462079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4524.462079][ T7704] ipv6_find_idev+0x102/0x170 [ 4524.462079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4524.462079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4524.462079][ T7704] netlink_rcv_skb+0x130/0x360 [ 4524.462079][ T7704] netlink_unicast+0x449/0x710 [ 4524.462079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4524.462079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4524.462079][ T7704] ___sys_sendmsg+0xee/0x170 [ 4524.462079][ T7704] __sys_sendmsg+0xcd/0x170 [ 4524.462079][ T7704] do_syscall_64+0xc6/0x1e0 [ 4524.462079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4524.462079][ T7704] [ 4524.463796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4524.463796][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4524.463796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4524.463796][ T7704] ipv6_find_idev+0x102/0x170 [ 4524.463796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4524.463796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4524.463796][ T7704] netlink_rcv_skb+0x130/0x360 [ 4524.463796][ T7704] netlink_unicast+0x449/0x710 [ 4524.463796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4524.463796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4524.463796][ T7704] ___sys_sendmsg+0xee/0x170 [ 4524.463796][ T7704] __sys_sendmsg+0xcd/0x170 [ 4524.463796][ T7704] do_syscall_64+0xc6/0x1e0 [ 4524.463796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4524.463796][ T7704] [ 4534.703031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4534.703480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4534.703480][ T7704] netdev_get_by_index+0x5e/0x80 [ 4534.703480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4534.703480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4534.703480][ T7704] ip6_route_add+0x1c/0x140 [ 4534.703480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4534.703480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4534.703480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4534.703480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4534.703480][ T7704] netlink_rcv_skb+0x130/0x360 [ 4534.703480][ T7704] netlink_unicast+0x449/0x710 [ 4534.703480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4534.703480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4534.703480][ T7704] ___sys_sendmsg+0xee/0x170 [ 4534.703480][ T7704] __sys_sendmsg+0xcd/0x170 [ 4534.703480][ T7704] do_syscall_64+0xc6/0x1e0 [ 4534.703480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4534.703480][ T7704] [ 4534.705730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4534.705730][ T7704] netdev_get_by_index+0x5e/0x80 [ 4534.705730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4534.705730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4534.705730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4534.705730][ T7704] ipv6_add_addr+0x411/0x2000 [ 4534.705730][ T7704] inet6_addr_add+0x30e/0xa40 [ 4534.705730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4534.705730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4534.705730][ T7704] netlink_rcv_skb+0x130/0x360 [ 4534.705730][ T7704] netlink_unicast+0x449/0x710 [ 4534.705730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4534.705730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4534.705730][ T7704] ___sys_sendmsg+0xee/0x170 [ 4534.705730][ T7704] __sys_sendmsg+0xcd/0x170 [ 4534.705730][ T7704] do_syscall_64+0xc6/0x1e0 [ 4534.705730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4534.705730][ T7704] [ 4534.707952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4534.707952][ T7704] netdev_get_by_index+0x5e/0x80 [ 4534.707952][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4534.707952][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4534.707952][ T7704] ip6_route_add+0x1c/0x140 [ 4534.707952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4534.707952][ T7704] addrconf_add_dev+0xe2/0x170 [ 4534.707952][ T7704] inet6_addr_add+0x12f/0xa40 [ 4534.707952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4534.707952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4534.707952][ T7704] netlink_rcv_skb+0x130/0x360 [ 4534.707952][ T7704] netlink_unicast+0x449/0x710 [ 4534.707952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4534.707952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4534.707952][ T7704] ___sys_sendmsg+0xee/0x170 [ 4534.707952][ T7704] __sys_sendmsg+0xcd/0x170 [ 4534.707952][ T7704] do_syscall_64+0xc6/0x1e0 [ 4534.707952][ T7704] [ 4534.710150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4534.710150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4534.710150][ T7704] ipv6_find_idev+0x102/0x170 [ 4534.710150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4534.710150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4534.710150][ T7704] netlink_rcv_skb+0x130/0x360 [ 4534.710150][ T7704] netlink_unicast+0x449/0x710 [ 4534.710150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4534.710150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4534.710150][ T7704] ___sys_sendmsg+0xee/0x170 [ 4534.710150][ T7704] __sys_sendmsg+0xcd/0x170 [ 4534.710150][ T7704] do_syscall_64+0xc6/0x1e0 [ 4534.710150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4534.710150][ T7704] [ 4534.711867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4534.711867][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4534.711867][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4534.711867][ T7704] ipv6_find_idev+0x102/0x170 [ 4534.711867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4534.711867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4534.711867][ T7704] netlink_rcv_skb+0x130/0x360 [ 4534.711867][ T7704] netlink_unicast+0x449/0x710 [ 4534.711867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4534.711867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4534.711867][ T7704] ___sys_sendmsg+0xee/0x170 [ 4534.711867][ T7704] __sys_sendmsg+0xcd/0x170 [ 4534.711867][ T7704] do_syscall_64+0xc6/0x1e0 [ 4534.711867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4534.711867][ T7704] [ 4544.950903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4544.951373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4544.951373][ T7704] netdev_get_by_index+0x5e/0x80 [ 4544.951373][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4544.951373][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4544.951373][ T7704] ip6_route_add+0x1c/0x140 [ 4544.951373][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4544.951373][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4544.951373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4544.951373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4544.951373][ T7704] netlink_rcv_skb+0x130/0x360 [ 4544.951373][ T7704] netlink_unicast+0x449/0x710 [ 4544.951373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4544.951373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4544.951373][ T7704] ___sys_sendmsg+0xee/0x170 [ 4544.951373][ T7704] __sys_sendmsg+0xcd/0x170 [ 4544.951373][ T7704] do_syscall_64+0xc6/0x1e0 [ 4544.951373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4544.951373][ T7704] [ 4544.953645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4544.953645][ T7704] netdev_get_by_index+0x5e/0x80 [ 4544.953645][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4544.953645][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4544.953645][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4544.953645][ T7704] ipv6_add_addr+0x411/0x2000 [ 4544.953645][ T7704] inet6_addr_add+0x30e/0xa40 [ 4544.953645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4544.953645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4544.953645][ T7704] netlink_rcv_skb+0x130/0x360 [ 4544.953645][ T7704] netlink_unicast+0x449/0x710 [ 4544.953645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4544.953645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4544.953645][ T7704] ___sys_sendmsg+0xee/0x170 [ 4544.953645][ T7704] __sys_sendmsg+0xcd/0x170 [ 4544.953645][ T7704] do_syscall_64+0xc6/0x1e0 [ 4544.953645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4544.953645][ T7704] [ 4544.955910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4544.955910][ T7704] netdev_get_by_index+0x5e/0x80 [ 4544.955910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4544.955910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4544.955910][ T7704] ip6_route_add+0x1c/0x140 [ 4544.955910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4544.955910][ T7704] addrconf_add_dev+0xe2/0x170 [ 4544.955910][ T7704] inet6_addr_add+0x12f/0xa40 [ 4544.955910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4544.955910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4544.955910][ T7704] netlink_rcv_skb+0x130/0x360 [ 4544.955910][ T7704] netlink_unicast+0x449/0x710 [ 4544.955910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4544.955910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4544.955910][ T7704] ___sys_sendmsg+0xee/0x170 [ 4544.955910][ T7704] __sys_sendmsg+0xcd/0x170 [ 4544.955910][ T7704] do_syscall_64+0xc6/0x1e0 [ 4544.955910][ T7704] [ 4544.958101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4544.958101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4544.958101][ T7704] ipv6_find_idev+0x102/0x170 [ 4544.958101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4544.958101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4544.958101][ T7704] netlink_rcv_skb+0x130/0x360 [ 4544.958101][ T7704] netlink_unicast+0x449/0x710 [ 4544.958101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4544.958101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4544.958101][ T7704] ___sys_sendmsg+0xee/0x170 [ 4544.958101][ T7704] __sys_sendmsg+0xcd/0x170 [ 4544.958101][ T7704] do_syscall_64+0xc6/0x1e0 [ 4544.958101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4544.958101][ T7704] [ 4544.959839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4544.959839][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4544.959839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4544.959839][ T7704] ipv6_find_idev+0x102/0x170 [ 4544.959839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4544.959839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4544.959839][ T7704] netlink_rcv_skb+0x130/0x360 [ 4544.959839][ T7704] netlink_unicast+0x449/0x710 [ 4544.959839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4544.959839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4544.959839][ T7704] ___sys_sendmsg+0xee/0x170 [ 4544.959839][ T7704] __sys_sendmsg+0xcd/0x170 [ 4544.959839][ T7704] do_syscall_64+0xc6/0x1e0 [ 4544.959839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4544.959839][ T7704] [ 4555.198873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4555.199318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4555.199318][ T7704] netdev_get_by_index+0x5e/0x80 [ 4555.199318][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4555.199318][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4555.199318][ T7704] ip6_route_add+0x1c/0x140 [ 4555.199318][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4555.199318][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4555.199318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.199318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.199318][ T7704] netlink_rcv_skb+0x130/0x360 [ 4555.199318][ T7704] netlink_unicast+0x449/0x710 [ 4555.199318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4555.199318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4555.199318][ T7704] ___sys_sendmsg+0xee/0x170 [ 4555.199318][ T7704] __sys_sendmsg+0xcd/0x170 [ 4555.199318][ T7704] do_syscall_64+0xc6/0x1e0 [ 4555.199318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.199318][ T7704] [ 4555.201559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4555.201559][ T7704] netdev_get_by_index+0x5e/0x80 [ 4555.201559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4555.201559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4555.201559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4555.201559][ T7704] ipv6_add_addr+0x411/0x2000 [ 4555.201559][ T7704] inet6_addr_add+0x30e/0xa40 [ 4555.201559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.201559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.201559][ T7704] netlink_rcv_skb+0x130/0x360 [ 4555.201559][ T7704] netlink_unicast+0x449/0x710 [ 4555.201559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4555.201559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4555.201559][ T7704] ___sys_sendmsg+0xee/0x170 [ 4555.201559][ T7704] __sys_sendmsg+0xcd/0x170 [ 4555.201559][ T7704] do_syscall_64+0xc6/0x1e0 [ 4555.201559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.201559][ T7704] [ 4555.203780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4555.203780][ T7704] netdev_get_by_index+0x5e/0x80 [ 4555.203780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4555.203780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4555.203780][ T7704] ip6_route_add+0x1c/0x140 [ 4555.203780][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4555.203780][ T7704] addrconf_add_dev+0xe2/0x170 [ 4555.203780][ T7704] inet6_addr_add+0x12f/0xa40 [ 4555.203780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.203780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.203780][ T7704] netlink_rcv_skb+0x130/0x360 [ 4555.203780][ T7704] netlink_unicast+0x449/0x710 [ 4555.203780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4555.203780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4555.203780][ T7704] ___sys_sendmsg+0xee/0x170 [ 4555.203780][ T7704] __sys_sendmsg+0xcd/0x170 [ 4555.203780][ T7704] do_syscall_64+0xc6/0x1e0 [ 4555.203780][ T7704] [ 4555.205958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4555.205958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4555.205958][ T7704] ipv6_find_idev+0x102/0x170 [ 4555.205958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4555.205958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.205958][ T7704] netlink_rcv_skb+0x130/0x360 [ 4555.205958][ T7704] netlink_unicast+0x449/0x710 [ 4555.205958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4555.205958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4555.205958][ T7704] ___sys_sendmsg+0xee/0x170 [ 4555.205958][ T7704] __sys_sendmsg+0xcd/0x170 [ 4555.205958][ T7704] do_syscall_64+0xc6/0x1e0 [ 4555.205958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.205958][ T7704] [ 4555.207667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4555.207667][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4555.207667][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4555.207667][ T7704] ipv6_find_idev+0x102/0x170 [ 4555.207667][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4555.207667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.207667][ T7704] netlink_rcv_skb+0x130/0x360 [ 4555.207667][ T7704] netlink_unicast+0x449/0x710 [ 4555.207667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4555.207667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4555.207667][ T7704] ___sys_sendmsg+0xee/0x170 [ 4555.207667][ T7704] __sys_sendmsg+0xcd/0x170 [ 4555.207667][ T7704] do_syscall_64+0xc6/0x1e0 [ 4555.207667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.207667][ T7704] [ 4565.422943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4565.423383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4565.423383][ T7704] netdev_get_by_index+0x5e/0x80 [ 4565.423383][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4565.423383][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4565.423383][ T7704] ip6_route_add+0x1c/0x140 [ 4565.423383][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4565.423383][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4565.423383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4565.423383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4565.423383][ T7704] netlink_rcv_skb+0x130/0x360 [ 4565.423383][ T7704] netlink_unicast+0x449/0x710 [ 4565.423383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4565.423383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4565.423383][ T7704] ___sys_sendmsg+0xee/0x170 [ 4565.423383][ T7704] __sys_sendmsg+0xcd/0x170 [ 4565.423383][ T7704] do_syscall_64+0xc6/0x1e0 [ 4565.423383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4565.423383][ T7704] [ 4565.425652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4565.425652][ T7704] netdev_get_by_index+0x5e/0x80 [ 4565.425652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4565.425652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4565.425652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4565.425652][ T7704] ipv6_add_addr+0x411/0x2000 [ 4565.425652][ T7704] inet6_addr_add+0x30e/0xa40 [ 4565.425652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4565.425652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4565.425652][ T7704] netlink_rcv_skb+0x130/0x360 [ 4565.425652][ T7704] netlink_unicast+0x449/0x710 [ 4565.425652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4565.425652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4565.425652][ T7704] ___sys_sendmsg+0xee/0x170 [ 4565.425652][ T7704] __sys_sendmsg+0xcd/0x170 [ 4565.425652][ T7704] do_syscall_64+0xc6/0x1e0 [ 4565.425652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4565.425652][ T7704] [ 4565.427873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4565.427873][ T7704] netdev_get_by_index+0x5e/0x80 [ 4565.427873][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4565.427873][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4565.427873][ T7704] ip6_route_add+0x1c/0x140 [ 4565.427873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4565.427873][ T7704] addrconf_add_dev+0xe2/0x170 [ 4565.427873][ T7704] inet6_addr_add+0x12f/0xa40 [ 4565.427873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4565.427873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4565.427873][ T7704] netlink_rcv_skb+0x130/0x360 [ 4565.427873][ T7704] netlink_unicast+0x449/0x710 [ 4565.427873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4565.427873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4565.427873][ T7704] ___sys_sendmsg+0xee/0x170 [ 4565.427873][ T7704] __sys_sendmsg+0xcd/0x170 [ 4565.427873][ T7704] do_syscall_64+0xc6/0x1e0 [ 4565.427873][ T7704] [ 4565.430080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4565.430080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4565.430080][ T7704] ipv6_find_idev+0x102/0x170 [ 4565.430080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4565.430080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4565.430080][ T7704] netlink_rcv_skb+0x130/0x360 [ 4565.430080][ T7704] netlink_unicast+0x449/0x710 [ 4565.430080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4565.430080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4565.430080][ T7704] ___sys_sendmsg+0xee/0x170 [ 4565.430080][ T7704] __sys_sendmsg+0xcd/0x170 [ 4565.430080][ T7704] do_syscall_64+0xc6/0x1e0 [ 4565.430080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4565.430080][ T7704] [ 4565.431789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4565.431789][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4565.431789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4565.431789][ T7704] ipv6_find_idev+0x102/0x170 [ 4565.431789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4565.431789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4565.431789][ T7704] netlink_rcv_skb+0x130/0x360 [ 4565.431789][ T7704] netlink_unicast+0x449/0x710 [ 4565.431789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4565.431789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4565.431789][ T7704] ___sys_sendmsg+0xee/0x170 [ 4565.431789][ T7704] __sys_sendmsg+0xcd/0x170 [ 4565.431789][ T7704] do_syscall_64+0xc6/0x1e0 [ 4565.431789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4565.431789][ T7704] [ 4575.670959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4575.671454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4575.671454][ T7704] netdev_get_by_index+0x5e/0x80 [ 4575.671454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4575.671454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4575.671454][ T7704] ip6_route_add+0x1c/0x140 [ 4575.671454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4575.671454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4575.671454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4575.671454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4575.671454][ T7704] netlink_rcv_skb+0x130/0x360 [ 4575.671454][ T7704] netlink_unicast+0x449/0x710 [ 4575.671454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4575.671454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4575.671454][ T7704] ___sys_sendmsg+0xee/0x170 [ 4575.671454][ T7704] __sys_sendmsg+0xcd/0x170 [ 4575.671454][ T7704] do_syscall_64+0xc6/0x1e0 [ 4575.671454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4575.671454][ T7704] [ 4575.673699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4575.673699][ T7704] netdev_get_by_index+0x5e/0x80 [ 4575.673699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4575.673699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4575.673699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4575.673699][ T7704] ipv6_add_addr+0x411/0x2000 [ 4575.673699][ T7704] inet6_addr_add+0x30e/0xa40 [ 4575.673699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4575.673699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4575.673699][ T7704] netlink_rcv_skb+0x130/0x360 [ 4575.673699][ T7704] netlink_unicast+0x449/0x710 [ 4575.673699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4575.673699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4575.673699][ T7704] ___sys_sendmsg+0xee/0x170 [ 4575.673699][ T7704] __sys_sendmsg+0xcd/0x170 [ 4575.673699][ T7704] do_syscall_64+0xc6/0x1e0 [ 4575.673699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4575.673699][ T7704] [ 4575.675924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4575.675924][ T7704] netdev_get_by_index+0x5e/0x80 [ 4575.675924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4575.675924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4575.675924][ T7704] ip6_route_add+0x1c/0x140 [ 4575.675924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4575.675924][ T7704] addrconf_add_dev+0xe2/0x170 [ 4575.675924][ T7704] inet6_addr_add+0x12f/0xa40 [ 4575.675924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4575.675924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4575.675924][ T7704] netlink_rcv_skb+0x130/0x360 [ 4575.675924][ T7704] netlink_unicast+0x449/0x710 [ 4575.675924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4575.675924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4575.675924][ T7704] ___sys_sendmsg+0xee/0x170 [ 4575.675924][ T7704] __sys_sendmsg+0xcd/0x170 [ 4575.675924][ T7704] do_syscall_64+0xc6/0x1e0 [ 4575.675924][ T7704] [ 4575.678121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4575.678121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4575.678121][ T7704] ipv6_find_idev+0x102/0x170 [ 4575.678121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4575.678121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4575.678121][ T7704] netlink_rcv_skb+0x130/0x360 [ 4575.678121][ T7704] netlink_unicast+0x449/0x710 [ 4575.678121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4575.678121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4575.678121][ T7704] ___sys_sendmsg+0xee/0x170 [ 4575.678121][ T7704] __sys_sendmsg+0xcd/0x170 [ 4575.678121][ T7704] do_syscall_64+0xc6/0x1e0 [ 4575.678121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4575.678121][ T7704] [ 4575.679825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4575.679825][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4575.679825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4575.679825][ T7704] ipv6_find_idev+0x102/0x170 [ 4575.679825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4575.679825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4575.679825][ T7704] netlink_rcv_skb+0x130/0x360 [ 4575.679825][ T7704] netlink_unicast+0x449/0x710 [ 4575.679825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4575.679825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4575.679825][ T7704] ___sys_sendmsg+0xee/0x170 [ 4575.679825][ T7704] __sys_sendmsg+0xcd/0x170 [ 4575.679825][ T7704] do_syscall_64+0xc6/0x1e0 [ 4575.679825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4575.679825][ T7704] [ 4585.918932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4585.919381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4585.919381][ T7704] netdev_get_by_index+0x5e/0x80 [ 4585.919381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4585.919381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4585.919381][ T7704] ip6_route_add+0x1c/0x140 [ 4585.919381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4585.919381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4585.919381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4585.919381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4585.919381][ T7704] netlink_rcv_skb+0x130/0x360 [ 4585.919381][ T7704] netlink_unicast+0x449/0x710 [ 4585.919381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4585.919381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4585.919381][ T7704] ___sys_sendmsg+0xee/0x170 [ 4585.919381][ T7704] __sys_sendmsg+0xcd/0x170 [ 4585.919381][ T7704] do_syscall_64+0xc6/0x1e0 [ 4585.919381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4585.919381][ T7704] [ 4585.921629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4585.921629][ T7704] netdev_get_by_index+0x5e/0x80 [ 4585.921629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4585.921629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4585.921629][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4585.921629][ T7704] ipv6_add_addr+0x411/0x2000 [ 4585.921629][ T7704] inet6_addr_add+0x30e/0xa40 [ 4585.921629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4585.921629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4585.921629][ T7704] netlink_rcv_skb+0x130/0x360 [ 4585.921629][ T7704] netlink_unicast+0x449/0x710 [ 4585.921629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4585.921629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4585.921629][ T7704] ___sys_sendmsg+0xee/0x170 [ 4585.921629][ T7704] __sys_sendmsg+0xcd/0x170 [ 4585.921629][ T7704] do_syscall_64+0xc6/0x1e0 [ 4585.921629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4585.921629][ T7704] [ 4585.923854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4585.923854][ T7704] netdev_get_by_index+0x5e/0x80 [ 4585.923854][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4585.923854][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4585.923854][ T7704] ip6_route_add+0x1c/0x140 [ 4585.923854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4585.923854][ T7704] addrconf_add_dev+0xe2/0x170 [ 4585.923854][ T7704] inet6_addr_add+0x12f/0xa40 [ 4585.923854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4585.923854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4585.923854][ T7704] netlink_rcv_skb+0x130/0x360 [ 4585.923854][ T7704] netlink_unicast+0x449/0x710 [ 4585.923854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4585.923854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4585.923854][ T7704] ___sys_sendmsg+0xee/0x170 [ 4585.923854][ T7704] __sys_sendmsg+0xcd/0x170 [ 4585.923854][ T7704] do_syscall_64+0xc6/0x1e0 [ 4585.923854][ T7704] [ 4585.926045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4585.926045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4585.926045][ T7704] ipv6_find_idev+0x102/0x170 [ 4585.926045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4585.926045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4585.926045][ T7704] netlink_rcv_skb+0x130/0x360 [ 4585.926045][ T7704] netlink_unicast+0x449/0x710 [ 4585.926045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4585.926045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4585.926045][ T7704] ___sys_sendmsg+0xee/0x170 [ 4585.926045][ T7704] __sys_sendmsg+0xcd/0x170 [ 4585.926045][ T7704] do_syscall_64+0xc6/0x1e0 [ 4585.926045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4585.926045][ T7704] [ 4585.927872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4585.927872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4585.927872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4585.927872][ T7704] ipv6_find_idev+0x102/0x170 [ 4585.927872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4585.927872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4585.927872][ T7704] netlink_rcv_skb+0x130/0x360 [ 4585.927872][ T7704] netlink_unicast+0x449/0x710 [ 4585.927872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4585.927872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4585.927872][ T7704] ___sys_sendmsg+0xee/0x170 [ 4585.927872][ T7704] __sys_sendmsg+0xcd/0x170 [ 4585.927872][ T7704] do_syscall_64+0xc6/0x1e0 [ 4585.927872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4585.927872][ T7704] [ 4596.118881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4596.119401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4596.119401][ T7704] netdev_get_by_index+0x5e/0x80 [ 4596.119401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4596.119401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4596.119401][ T7704] ip6_route_add+0x1c/0x140 [ 4596.119401][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4596.119401][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4596.119401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.119401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.119401][ T7704] netlink_rcv_skb+0x130/0x360 [ 4596.119401][ T7704] netlink_unicast+0x449/0x710 [ 4596.119401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4596.119401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4596.119401][ T7704] ___sys_sendmsg+0xee/0x170 [ 4596.119401][ T7704] __sys_sendmsg+0xcd/0x170 [ 4596.119401][ T7704] do_syscall_64+0xc6/0x1e0 [ 4596.119401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.119401][ T7704] [ 4596.121642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4596.121642][ T7704] netdev_get_by_index+0x5e/0x80 [ 4596.121642][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4596.121642][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4596.121642][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4596.121642][ T7704] ipv6_add_addr+0x411/0x2000 [ 4596.121642][ T7704] inet6_addr_add+0x30e/0xa40 [ 4596.121642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.121642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.121642][ T7704] netlink_rcv_skb+0x130/0x360 [ 4596.121642][ T7704] netlink_unicast+0x449/0x710 [ 4596.121642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4596.121642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4596.121642][ T7704] ___sys_sendmsg+0xee/0x170 [ 4596.121642][ T7704] __sys_sendmsg+0xcd/0x170 [ 4596.121642][ T7704] do_syscall_64+0xc6/0x1e0 [ 4596.121642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.121642][ T7704] [ 4596.123877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4596.123877][ T7704] netdev_get_by_index+0x5e/0x80 [ 4596.123877][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4596.123877][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4596.123877][ T7704] ip6_route_add+0x1c/0x140 [ 4596.123877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4596.123877][ T7704] addrconf_add_dev+0xe2/0x170 [ 4596.123877][ T7704] inet6_addr_add+0x12f/0xa40 [ 4596.123877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.123877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.123877][ T7704] netlink_rcv_skb+0x130/0x360 [ 4596.123877][ T7704] netlink_unicast+0x449/0x710 [ 4596.123877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4596.123877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4596.123877][ T7704] ___sys_sendmsg+0xee/0x170 [ 4596.123877][ T7704] __sys_sendmsg+0xcd/0x170 [ 4596.123877][ T7704] do_syscall_64+0xc6/0x1e0 [ 4596.123877][ T7704] [ 4596.126063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4596.126063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4596.126063][ T7704] ipv6_find_idev+0x102/0x170 [ 4596.126063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4596.126063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.126063][ T7704] netlink_rcv_skb+0x130/0x360 [ 4596.126063][ T7704] netlink_unicast+0x449/0x710 [ 4596.126063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4596.126063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4596.126063][ T7704] ___sys_sendmsg+0xee/0x170 [ 4596.126063][ T7704] __sys_sendmsg+0xcd/0x170 [ 4596.126063][ T7704] do_syscall_64+0xc6/0x1e0 [ 4596.126063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.126063][ T7704] [ 4596.127822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4596.127822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4596.127822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4596.127822][ T7704] ipv6_find_idev+0x102/0x170 [ 4596.127822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4596.127822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.127822][ T7704] netlink_rcv_skb+0x130/0x360 [ 4596.127822][ T7704] netlink_unicast+0x449/0x710 [ 4596.127822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4596.127822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4596.127822][ T7704] ___sys_sendmsg+0xee/0x170 [ 4596.127822][ T7704] __sys_sendmsg+0xcd/0x170 [ 4596.127822][ T7704] do_syscall_64+0xc6/0x1e0 [ 4596.127822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.127822][ T7704] [ 4606.382948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4606.383393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4606.383393][ T7704] netdev_get_by_index+0x5e/0x80 [ 4606.383393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4606.383393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4606.383393][ T7704] ip6_route_add+0x1c/0x140 [ 4606.383393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4606.383393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4606.383393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.383393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.383393][ T7704] netlink_rcv_skb+0x130/0x360 [ 4606.383393][ T7704] netlink_unicast+0x449/0x710 [ 4606.383393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4606.383393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4606.383393][ T7704] ___sys_sendmsg+0xee/0x170 [ 4606.383393][ T7704] __sys_sendmsg+0xcd/0x170 [ 4606.383393][ T7704] do_syscall_64+0xc6/0x1e0 [ 4606.383393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.383393][ T7704] [ 4606.385679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4606.385679][ T7704] netdev_get_by_index+0x5e/0x80 [ 4606.385679][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4606.385679][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4606.385679][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4606.385679][ T7704] ipv6_add_addr+0x411/0x2000 [ 4606.385679][ T7704] inet6_addr_add+0x30e/0xa40 [ 4606.385679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.385679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.385679][ T7704] netlink_rcv_skb+0x130/0x360 [ 4606.385679][ T7704] netlink_unicast+0x449/0x710 [ 4606.385679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4606.385679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4606.385679][ T7704] ___sys_sendmsg+0xee/0x170 [ 4606.385679][ T7704] __sys_sendmsg+0xcd/0x170 [ 4606.385679][ T7704] do_syscall_64+0xc6/0x1e0 [ 4606.385679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.385679][ T7704] [ 4606.387928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4606.387928][ T7704] netdev_get_by_index+0x5e/0x80 [ 4606.387928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4606.387928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4606.387928][ T7704] ip6_route_add+0x1c/0x140 [ 4606.387928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4606.387928][ T7704] addrconf_add_dev+0xe2/0x170 [ 4606.387928][ T7704] inet6_addr_add+0x12f/0xa40 [ 4606.387928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.387928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.387928][ T7704] netlink_rcv_skb+0x130/0x360 [ 4606.387928][ T7704] netlink_unicast+0x449/0x710 [ 4606.387928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4606.387928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4606.387928][ T7704] ___sys_sendmsg+0xee/0x170 [ 4606.387928][ T7704] __sys_sendmsg+0xcd/0x170 [ 4606.387928][ T7704] do_syscall_64+0xc6/0x1e0 [ 4606.387928][ T7704] [ 4606.390131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4606.390131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4606.390131][ T7704] ipv6_find_idev+0x102/0x170 [ 4606.390131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4606.390131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.390131][ T7704] netlink_rcv_skb+0x130/0x360 [ 4606.390131][ T7704] netlink_unicast+0x449/0x710 [ 4606.390131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4606.390131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4606.390131][ T7704] ___sys_sendmsg+0xee/0x170 [ 4606.390131][ T7704] __sys_sendmsg+0xcd/0x170 [ 4606.390131][ T7704] do_syscall_64+0xc6/0x1e0 [ 4606.390131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.390131][ T7704] [ 4606.391858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4606.391858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4606.391858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4606.391858][ T7704] ipv6_find_idev+0x102/0x170 [ 4606.391858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4606.391858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.391858][ T7704] netlink_rcv_skb+0x130/0x360 [ 4606.391858][ T7704] netlink_unicast+0x449/0x710 [ 4606.391858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4606.391858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4606.391858][ T7704] ___sys_sendmsg+0xee/0x170 [ 4606.391858][ T7704] __sys_sendmsg+0xcd/0x170 [ 4606.391858][ T7704] do_syscall_64+0xc6/0x1e0 [ 4606.391858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.391858][ T7704] [ 4616.647007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4616.647532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4616.647532][ T7704] netdev_get_by_index+0x5e/0x80 [ 4616.647532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4616.647532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4616.647532][ T7704] ip6_route_add+0x1c/0x140 [ 4616.647532][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4616.647532][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4616.647532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4616.647532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4616.647532][ T7704] netlink_rcv_skb+0x130/0x360 [ 4616.647532][ T7704] netlink_unicast+0x449/0x710 [ 4616.647532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4616.647532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4616.647532][ T7704] ___sys_sendmsg+0xee/0x170 [ 4616.647532][ T7704] __sys_sendmsg+0xcd/0x170 [ 4616.647532][ T7704] do_syscall_64+0xc6/0x1e0 [ 4616.647532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4616.647532][ T7704] [ 4616.649812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4616.649812][ T7704] netdev_get_by_index+0x5e/0x80 [ 4616.649812][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4616.649812][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4616.649812][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4616.649812][ T7704] ipv6_add_addr+0x411/0x2000 [ 4616.649812][ T7704] inet6_addr_add+0x30e/0xa40 [ 4616.649812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4616.649812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4616.649812][ T7704] netlink_rcv_skb+0x130/0x360 [ 4616.649812][ T7704] netlink_unicast+0x449/0x710 [ 4616.649812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4616.649812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4616.649812][ T7704] ___sys_sendmsg+0xee/0x170 [ 4616.649812][ T7704] __sys_sendmsg+0xcd/0x170 [ 4616.649812][ T7704] do_syscall_64+0xc6/0x1e0 [ 4616.649812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4616.649812][ T7704] [ 4616.652591][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4616.652591][ T7704] netdev_get_by_index+0x5e/0x80 [ 4616.652591][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4616.652591][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4616.652591][ T7704] ip6_route_add+0x1c/0x140 [ 4616.652591][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4616.652591][ T7704] addrconf_add_dev+0xe2/0x170 [ 4616.652591][ T7704] inet6_addr_add+0x12f/0xa40 [ 4616.652591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4616.652591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4616.652591][ T7704] netlink_rcv_skb+0x130/0x360 [ 4616.652591][ T7704] netlink_unicast+0x449/0x710 [ 4616.652591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4616.652591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4616.652591][ T7704] ___sys_sendmsg+0xee/0x170 [ 4616.652591][ T7704] __sys_sendmsg+0xcd/0x170 [ 4616.652591][ T7704] do_syscall_64+0xc6/0x1e0 [ 4616.652591][ T7704] [ 4616.654799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4616.654799][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4616.654799][ T7704] ipv6_find_idev+0x102/0x170 [ 4616.654799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4616.654799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4616.654799][ T7704] netlink_rcv_skb+0x130/0x360 [ 4616.654799][ T7704] netlink_unicast+0x449/0x710 [ 4616.654799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4616.654799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4616.654799][ T7704] ___sys_sendmsg+0xee/0x170 [ 4616.654799][ T7704] __sys_sendmsg+0xcd/0x170 [ 4616.654799][ T7704] do_syscall_64+0xc6/0x1e0 [ 4616.654799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4616.654799][ T7704] [ 4616.656525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4616.656525][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4616.656525][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4616.656525][ T7704] ipv6_find_idev+0x102/0x170 [ 4616.656525][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4616.656525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4616.656525][ T7704] netlink_rcv_skb+0x130/0x360 [ 4616.656525][ T7704] netlink_unicast+0x449/0x710 [ 4616.656525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4616.656525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4616.656525][ T7704] ___sys_sendmsg+0xee/0x170 [ 4616.656525][ T7704] __sys_sendmsg+0xcd/0x170 [ 4616.656525][ T7704] do_syscall_64+0xc6/0x1e0 [ 4616.656525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4616.656525][ T7704] [ 4626.910968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4626.911520][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4626.911520][ T7704] netdev_get_by_index+0x5e/0x80 [ 4626.911520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4626.911520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4626.911520][ T7704] ip6_route_add+0x1c/0x140 [ 4626.911520][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4626.911520][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4626.911520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4626.911520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4626.911520][ T7704] netlink_rcv_skb+0x130/0x360 [ 4626.911520][ T7704] netlink_unicast+0x449/0x710 [ 4626.911520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4626.911520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4626.911520][ T7704] ___sys_sendmsg+0xee/0x170 [ 4626.911520][ T7704] __sys_sendmsg+0xcd/0x170 [ 4626.911520][ T7704] do_syscall_64+0xc6/0x1e0 [ 4626.911520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4626.911520][ T7704] [ 4626.914325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4626.914325][ T7704] netdev_get_by_index+0x5e/0x80 [ 4626.914325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4626.914325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4626.914325][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4626.914325][ T7704] ipv6_add_addr+0x411/0x2000 [ 4626.914325][ T7704] inet6_addr_add+0x30e/0xa40 [ 4626.914325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4626.914325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4626.914325][ T7704] netlink_rcv_skb+0x130/0x360 [ 4626.914325][ T7704] netlink_unicast+0x449/0x710 [ 4626.914325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4626.914325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4626.914325][ T7704] ___sys_sendmsg+0xee/0x170 [ 4626.914325][ T7704] __sys_sendmsg+0xcd/0x170 [ 4626.914325][ T7704] do_syscall_64+0xc6/0x1e0 [ 4626.914325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4626.914325][ T7704] [ 4626.916593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4626.916593][ T7704] netdev_get_by_index+0x5e/0x80 [ 4626.916593][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4626.916593][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4626.916593][ T7704] ip6_route_add+0x1c/0x140 [ 4626.916593][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4626.916593][ T7704] addrconf_add_dev+0xe2/0x170 [ 4626.916593][ T7704] inet6_addr_add+0x12f/0xa40 [ 4626.916593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4626.916593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4626.916593][ T7704] netlink_rcv_skb+0x130/0x360 [ 4626.916593][ T7704] netlink_unicast+0x449/0x710 [ 4626.916593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4626.916593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4626.916593][ T7704] ___sys_sendmsg+0xee/0x170 [ 4626.916593][ T7704] __sys_sendmsg+0xcd/0x170 [ 4626.916593][ T7704] do_syscall_64+0xc6/0x1e0 [ 4626.916593][ T7704] [ 4626.918846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4626.918846][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4626.918846][ T7704] ipv6_find_idev+0x102/0x170 [ 4626.918846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4626.918846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4626.918846][ T7704] netlink_rcv_skb+0x130/0x360 [ 4626.918846][ T7704] netlink_unicast+0x449/0x710 [ 4626.918846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4626.918846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4626.918846][ T7704] ___sys_sendmsg+0xee/0x170 [ 4626.918846][ T7704] __sys_sendmsg+0xcd/0x170 [ 4626.918846][ T7704] do_syscall_64+0xc6/0x1e0 [ 4626.918846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4626.918846][ T7704] [ 4626.920600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4626.920600][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4626.920600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4626.920600][ T7704] ipv6_find_idev+0x102/0x170 [ 4626.920600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4626.920600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4626.920600][ T7704] netlink_rcv_skb+0x130/0x360 [ 4626.920600][ T7704] netlink_unicast+0x449/0x710 [ 4626.920600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4626.920600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4626.920600][ T7704] ___sys_sendmsg+0xee/0x170 [ 4626.920600][ T7704] __sys_sendmsg+0xcd/0x170 [ 4626.920600][ T7704] do_syscall_64+0xc6/0x1e0 [ 4626.920600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4626.920600][ T7704] [ 4636.934938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4636.935462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4636.935462][ T7704] netdev_get_by_index+0x5e/0x80 [ 4636.935462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4636.935462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4636.935462][ T7704] ip6_route_add+0x1c/0x140 [ 4636.935462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4636.935462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4636.935462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4636.935462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4636.935462][ T7704] netlink_rcv_skb+0x130/0x360 [ 4636.935462][ T7704] netlink_unicast+0x449/0x710 [ 4636.935462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4636.935462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4636.935462][ T7704] ___sys_sendmsg+0xee/0x170 [ 4636.935462][ T7704] __sys_sendmsg+0xcd/0x170 [ 4636.935462][ T7704] do_syscall_64+0xc6/0x1e0 [ 4636.935462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4636.935462][ T7704] [ 4636.937839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4636.937839][ T7704] netdev_get_by_index+0x5e/0x80 [ 4636.937839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4636.937839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4636.937839][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4636.937839][ T7704] ipv6_add_addr+0x411/0x2000 [ 4636.937839][ T7704] inet6_addr_add+0x30e/0xa40 [ 4636.937839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4636.937839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4636.937839][ T7704] netlink_rcv_skb+0x130/0x360 [ 4636.937839][ T7704] netlink_unicast+0x449/0x710 [ 4636.937839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4636.937839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4636.937839][ T7704] ___sys_sendmsg+0xee/0x170 [ 4636.937839][ T7704] __sys_sendmsg+0xcd/0x170 [ 4636.937839][ T7704] do_syscall_64+0xc6/0x1e0 [ 4636.937839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4636.937839][ T7704] [ 4636.940125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4636.940125][ T7704] netdev_get_by_index+0x5e/0x80 [ 4636.940125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4636.940125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4636.940125][ T7704] ip6_route_add+0x1c/0x140 [ 4636.940125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4636.940125][ T7704] addrconf_add_dev+0xe2/0x170 [ 4636.940125][ T7704] inet6_addr_add+0x12f/0xa40 [ 4636.940125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4636.940125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4636.940125][ T7704] netlink_rcv_skb+0x130/0x360 [ 4636.940125][ T7704] netlink_unicast+0x449/0x710 [ 4636.940125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4636.940125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4636.940125][ T7704] ___sys_sendmsg+0xee/0x170 [ 4636.940125][ T7704] __sys_sendmsg+0xcd/0x170 [ 4636.940125][ T7704] do_syscall_64+0xc6/0x1e0 [ 4636.940125][ T7704] [ 4636.942405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4636.942405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4636.942405][ T7704] ipv6_find_idev+0x102/0x170 [ 4636.942405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4636.942405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4636.942405][ T7704] netlink_rcv_skb+0x130/0x360 [ 4636.942405][ T7704] netlink_unicast+0x449/0x710 [ 4636.942405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4636.942405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4636.942405][ T7704] ___sys_sendmsg+0xee/0x170 [ 4636.942405][ T7704] __sys_sendmsg+0xcd/0x170 [ 4636.942405][ T7704] do_syscall_64+0xc6/0x1e0 [ 4636.942405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4636.942405][ T7704] [ 4636.944158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4636.944158][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4636.944158][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4636.944158][ T7704] ipv6_find_idev+0x102/0x170 [ 4636.944158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4636.944158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4636.944158][ T7704] netlink_rcv_skb+0x130/0x360 [ 4636.944158][ T7704] netlink_unicast+0x449/0x710 [ 4636.944158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4636.944158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4636.944158][ T7704] ___sys_sendmsg+0xee/0x170 [ 4636.944158][ T7704] __sys_sendmsg+0xcd/0x170 [ 4636.944158][ T7704] do_syscall_64+0xc6/0x1e0 [ 4636.944158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4636.944158][ T7704] [ 4647.190938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4647.191465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4647.191465][ T7704] netdev_get_by_index+0x5e/0x80 [ 4647.191465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4647.191465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4647.191465][ T7704] ip6_route_add+0x1c/0x140 [ 4647.191465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4647.191465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4647.191465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.191465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.191465][ T7704] netlink_rcv_skb+0x130/0x360 [ 4647.191465][ T7704] netlink_unicast+0x449/0x710 [ 4647.191465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4647.191465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4647.191465][ T7704] ___sys_sendmsg+0xee/0x170 [ 4647.191465][ T7704] __sys_sendmsg+0xcd/0x170 [ 4647.191465][ T7704] do_syscall_64+0xc6/0x1e0 [ 4647.191465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.191465][ T7704] [ 4647.193796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4647.193796][ T7704] netdev_get_by_index+0x5e/0x80 [ 4647.193796][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4647.193796][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4647.193796][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4647.193796][ T7704] ipv6_add_addr+0x411/0x2000 [ 4647.193796][ T7704] inet6_addr_add+0x30e/0xa40 [ 4647.193796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.193796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.193796][ T7704] netlink_rcv_skb+0x130/0x360 [ 4647.193796][ T7704] netlink_unicast+0x449/0x710 [ 4647.193796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4647.193796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4647.193796][ T7704] ___sys_sendmsg+0xee/0x170 [ 4647.193796][ T7704] __sys_sendmsg+0xcd/0x170 [ 4647.193796][ T7704] do_syscall_64+0xc6/0x1e0 [ 4647.193796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.193796][ T7704] [ 4647.196064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4647.196064][ T7704] netdev_get_by_index+0x5e/0x80 [ 4647.196064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4647.196064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4647.196064][ T7704] ip6_route_add+0x1c/0x140 [ 4647.196064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4647.196064][ T7704] addrconf_add_dev+0xe2/0x170 [ 4647.196064][ T7704] inet6_addr_add+0x12f/0xa40 [ 4647.196064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.196064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.196064][ T7704] netlink_rcv_skb+0x130/0x360 [ 4647.196064][ T7704] netlink_unicast+0x449/0x710 [ 4647.196064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4647.196064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4647.196064][ T7704] ___sys_sendmsg+0xee/0x170 [ 4647.196064][ T7704] __sys_sendmsg+0xcd/0x170 [ 4647.196064][ T7704] do_syscall_64+0xc6/0x1e0 [ 4647.196064][ T7704] [ 4647.198313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4647.198313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4647.198313][ T7704] ipv6_find_idev+0x102/0x170 [ 4647.198313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4647.198313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.198313][ T7704] netlink_rcv_skb+0x130/0x360 [ 4647.198313][ T7704] netlink_unicast+0x449/0x710 [ 4647.198313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4647.198313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4647.198313][ T7704] ___sys_sendmsg+0xee/0x170 [ 4647.198313][ T7704] __sys_sendmsg+0xcd/0x170 [ 4647.198313][ T7704] do_syscall_64+0xc6/0x1e0 [ 4647.198313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.198313][ T7704] [ 4647.200070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4647.200070][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4647.200070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4647.200070][ T7704] ipv6_find_idev+0x102/0x170 [ 4647.200070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4647.200070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.200070][ T7704] netlink_rcv_skb+0x130/0x360 [ 4647.200070][ T7704] netlink_unicast+0x449/0x710 [ 4647.200070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4647.200070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4647.200070][ T7704] ___sys_sendmsg+0xee/0x170 [ 4647.200070][ T7704] __sys_sendmsg+0xcd/0x170 [ 4647.200070][ T7704] do_syscall_64+0xc6/0x1e0 [ 4647.200070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.200070][ T7704] [ 4657.382941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4657.383492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4657.383492][ T7704] netdev_get_by_index+0x5e/0x80 [ 4657.383492][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4657.383492][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4657.383492][ T7704] ip6_route_add+0x1c/0x140 [ 4657.383492][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4657.383492][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4657.383492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4657.383492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4657.383492][ T7704] netlink_rcv_skb+0x130/0x360 [ 4657.383492][ T7704] netlink_unicast+0x449/0x710 [ 4657.383492][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4657.383492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4657.383492][ T7704] ___sys_sendmsg+0xee/0x170 [ 4657.383492][ T7704] __sys_sendmsg+0xcd/0x170 [ 4657.383492][ T7704] do_syscall_64+0xc6/0x1e0 [ 4657.383492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4657.383492][ T7704] [ 4657.385788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4657.385788][ T7704] netdev_get_by_index+0x5e/0x80 [ 4657.385788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4657.385788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4657.385788][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4657.385788][ T7704] ipv6_add_addr+0x411/0x2000 [ 4657.385788][ T7704] inet6_addr_add+0x30e/0xa40 [ 4657.385788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4657.385788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4657.385788][ T7704] netlink_rcv_skb+0x130/0x360 [ 4657.385788][ T7704] netlink_unicast+0x449/0x710 [ 4657.385788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4657.385788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4657.385788][ T7704] ___sys_sendmsg+0xee/0x170 [ 4657.385788][ T7704] __sys_sendmsg+0xcd/0x170 [ 4657.385788][ T7704] do_syscall_64+0xc6/0x1e0 [ 4657.385788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4657.385788][ T7704] [ 4657.388086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4657.388086][ T7704] netdev_get_by_index+0x5e/0x80 [ 4657.388086][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4657.388086][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4657.388086][ T7704] ip6_route_add+0x1c/0x140 [ 4657.388086][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4657.388086][ T7704] addrconf_add_dev+0xe2/0x170 [ 4657.388086][ T7704] inet6_addr_add+0x12f/0xa40 [ 4657.388086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4657.388086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4657.388086][ T7704] netlink_rcv_skb+0x130/0x360 [ 4657.388086][ T7704] netlink_unicast+0x449/0x710 [ 4657.388086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4657.388086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4657.388086][ T7704] ___sys_sendmsg+0xee/0x170 [ 4657.388086][ T7704] __sys_sendmsg+0xcd/0x170 [ 4657.388086][ T7704] do_syscall_64+0xc6/0x1e0 [ 4657.388086][ T7704] [ 4657.390323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4657.390323][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4657.390323][ T7704] ipv6_find_idev+0x102/0x170 [ 4657.390323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4657.390323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4657.390323][ T7704] netlink_rcv_skb+0x130/0x360 [ 4657.390323][ T7704] netlink_unicast+0x449/0x710 [ 4657.390323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4657.390323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4657.390323][ T7704] ___sys_sendmsg+0xee/0x170 [ 4657.390323][ T7704] __sys_sendmsg+0xcd/0x170 [ 4657.390323][ T7704] do_syscall_64+0xc6/0x1e0 [ 4657.390323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4657.390323][ T7704] [ 4657.392069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4657.392069][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4657.392069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4657.392069][ T7704] ipv6_find_idev+0x102/0x170 [ 4657.392069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4657.392069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4657.392069][ T7704] netlink_rcv_skb+0x130/0x360 [ 4657.392069][ T7704] netlink_unicast+0x449/0x710 [ 4657.392069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4657.392069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4657.392069][ T7704] ___sys_sendmsg+0xee/0x170 [ 4657.392069][ T7704] __sys_sendmsg+0xcd/0x170 [ 4657.392069][ T7704] do_syscall_64+0xc6/0x1e0 [ 4657.392069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4657.392069][ T7704] [ 4667.630891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4667.631416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4667.631416][ T7704] netdev_get_by_index+0x5e/0x80 [ 4667.631416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4667.631416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4667.631416][ T7704] ip6_route_add+0x1c/0x140 [ 4667.631416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4667.631416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4667.631416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4667.631416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4667.631416][ T7704] netlink_rcv_skb+0x130/0x360 [ 4667.631416][ T7704] netlink_unicast+0x449/0x710 [ 4667.631416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4667.631416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4667.631416][ T7704] ___sys_sendmsg+0xee/0x170 [ 4667.631416][ T7704] __sys_sendmsg+0xcd/0x170 [ 4667.631416][ T7704] do_syscall_64+0xc6/0x1e0 [ 4667.631416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4667.631416][ T7704] [ 4667.633795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4667.633795][ T7704] netdev_get_by_index+0x5e/0x80 [ 4667.633795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4667.633795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4667.633795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4667.633795][ T7704] ipv6_add_addr+0x411/0x2000 [ 4667.633795][ T7704] inet6_addr_add+0x30e/0xa40 [ 4667.633795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4667.633795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4667.633795][ T7704] netlink_rcv_skb+0x130/0x360 [ 4667.633795][ T7704] netlink_unicast+0x449/0x710 [ 4667.633795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4667.633795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4667.633795][ T7704] ___sys_sendmsg+0xee/0x170 [ 4667.633795][ T7704] __sys_sendmsg+0xcd/0x170 [ 4667.633795][ T7704] do_syscall_64+0xc6/0x1e0 [ 4667.633795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4667.633795][ T7704] [ 4667.636082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4667.636082][ T7704] netdev_get_by_index+0x5e/0x80 [ 4667.636082][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4667.636082][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4667.636082][ T7704] ip6_route_add+0x1c/0x140 [ 4667.636082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4667.636082][ T7704] addrconf_add_dev+0xe2/0x170 [ 4667.636082][ T7704] inet6_addr_add+0x12f/0xa40 [ 4667.636082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4667.636082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4667.636082][ T7704] netlink_rcv_skb+0x130/0x360 [ 4667.636082][ T7704] netlink_unicast+0x449/0x710 [ 4667.636082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4667.636082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4667.636082][ T7704] ___sys_sendmsg+0xee/0x170 [ 4667.636082][ T7704] __sys_sendmsg+0xcd/0x170 [ 4667.636082][ T7704] do_syscall_64+0xc6/0x1e0 [ 4667.636082][ T7704] [ 4667.638362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4667.638362][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4667.638362][ T7704] ipv6_find_idev+0x102/0x170 [ 4667.638362][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4667.638362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4667.638362][ T7704] netlink_rcv_skb+0x130/0x360 [ 4667.638362][ T7704] netlink_unicast+0x449/0x710 [ 4667.638362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4667.638362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4667.638362][ T7704] ___sys_sendmsg+0xee/0x170 [ 4667.638362][ T7704] __sys_sendmsg+0xcd/0x170 [ 4667.638362][ T7704] do_syscall_64+0xc6/0x1e0 [ 4667.638362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4667.638362][ T7704] [ 4667.640111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4667.640111][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4667.640111][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4667.640111][ T7704] ipv6_find_idev+0x102/0x170 [ 4667.640111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4667.640111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4667.640111][ T7704] netlink_rcv_skb+0x130/0x360 [ 4667.640111][ T7704] netlink_unicast+0x449/0x710 [ 4667.640111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4667.640111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4667.640111][ T7704] ___sys_sendmsg+0xee/0x170 [ 4667.640111][ T7704] __sys_sendmsg+0xcd/0x170 [ 4667.640111][ T7704] do_syscall_64+0xc6/0x1e0 [ 4667.640111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4667.640111][ T7704] [ 4677.734892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4677.735415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4677.735415][ T7704] netdev_get_by_index+0x5e/0x80 [ 4677.735415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4677.735415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4677.735415][ T7704] ip6_route_add+0x1c/0x140 [ 4677.735415][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4677.735415][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4677.735415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4677.735415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4677.735415][ T7704] netlink_rcv_skb+0x130/0x360 [ 4677.735415][ T7704] netlink_unicast+0x449/0x710 [ 4677.735415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4677.735415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4677.735415][ T7704] ___sys_sendmsg+0xee/0x170 [ 4677.735415][ T7704] __sys_sendmsg+0xcd/0x170 [ 4677.735415][ T7704] do_syscall_64+0xc6/0x1e0 [ 4677.735415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4677.735415][ T7704] [ 4677.737782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4677.737782][ T7704] netdev_get_by_index+0x5e/0x80 [ 4677.737782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4677.737782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4677.737782][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4677.737782][ T7704] ipv6_add_addr+0x411/0x2000 [ 4677.737782][ T7704] inet6_addr_add+0x30e/0xa40 [ 4677.737782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4677.737782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4677.737782][ T7704] netlink_rcv_skb+0x130/0x360 [ 4677.737782][ T7704] netlink_unicast+0x449/0x710 [ 4677.737782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4677.737782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4677.737782][ T7704] ___sys_sendmsg+0xee/0x170 [ 4677.737782][ T7704] __sys_sendmsg+0xcd/0x170 [ 4677.737782][ T7704] do_syscall_64+0xc6/0x1e0 [ 4677.737782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4677.737782][ T7704] [ 4677.740081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4677.740081][ T7704] netdev_get_by_index+0x5e/0x80 [ 4677.740081][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4677.740081][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4677.740081][ T7704] ip6_route_add+0x1c/0x140 [ 4677.740081][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4677.740081][ T7704] addrconf_add_dev+0xe2/0x170 [ 4677.740081][ T7704] inet6_addr_add+0x12f/0xa40 [ 4677.740081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4677.740081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4677.740081][ T7704] netlink_rcv_skb+0x130/0x360 [ 4677.740081][ T7704] netlink_unicast+0x449/0x710 [ 4677.740081][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4677.740081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4677.740081][ T7704] ___sys_sendmsg+0xee/0x170 [ 4677.740081][ T7704] __sys_sendmsg+0xcd/0x170 [ 4677.740081][ T7704] do_syscall_64+0xc6/0x1e0 [ 4677.740081][ T7704] [ 4677.742354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4677.742354][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4677.742354][ T7704] ipv6_find_idev+0x102/0x170 [ 4677.742354][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4677.742354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4677.742354][ T7704] netlink_rcv_skb+0x130/0x360 [ 4677.742354][ T7704] netlink_unicast+0x449/0x710 [ 4677.742354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4677.742354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4677.742354][ T7704] ___sys_sendmsg+0xee/0x170 [ 4677.742354][ T7704] __sys_sendmsg+0xcd/0x170 [ 4677.742354][ T7704] do_syscall_64+0xc6/0x1e0 [ 4677.742354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4677.742354][ T7704] [ 4677.744108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4677.744108][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4677.744108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4677.744108][ T7704] ipv6_find_idev+0x102/0x170 [ 4677.744108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4677.744108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4677.744108][ T7704] netlink_rcv_skb+0x130/0x360 [ 4677.744108][ T7704] netlink_unicast+0x449/0x710 [ 4677.744108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4677.744108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4677.744108][ T7704] ___sys_sendmsg+0xee/0x170 [ 4677.744108][ T7704] __sys_sendmsg+0xcd/0x170 [ 4677.744108][ T7704] do_syscall_64+0xc6/0x1e0 [ 4677.744108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4677.744108][ T7704] [ 4687.982962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4687.983472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4687.983472][ T7704] netdev_get_by_index+0x5e/0x80 [ 4687.983472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4687.983472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4687.983472][ T7704] ip6_route_add+0x1c/0x140 [ 4687.983472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4687.983472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4687.983472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4687.983472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4687.983472][ T7704] netlink_rcv_skb+0x130/0x360 [ 4687.983472][ T7704] netlink_unicast+0x449/0x710 [ 4687.983472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4687.983472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4687.983472][ T7704] ___sys_sendmsg+0xee/0x170 [ 4687.983472][ T7704] __sys_sendmsg+0xcd/0x170 [ 4687.983472][ T7704] do_syscall_64+0xc6/0x1e0 [ 4687.983472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4687.983472][ T7704] [ 4687.985733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4687.985733][ T7704] netdev_get_by_index+0x5e/0x80 [ 4687.985733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4687.985733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4687.985733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4687.985733][ T7704] ipv6_add_addr+0x411/0x2000 [ 4687.985733][ T7704] inet6_addr_add+0x30e/0xa40 [ 4687.985733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4687.985733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4687.985733][ T7704] netlink_rcv_skb+0x130/0x360 [ 4687.985733][ T7704] netlink_unicast+0x449/0x710 [ 4687.985733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4687.985733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4687.985733][ T7704] ___sys_sendmsg+0xee/0x170 [ 4687.985733][ T7704] __sys_sendmsg+0xcd/0x170 [ 4687.985733][ T7704] do_syscall_64+0xc6/0x1e0 [ 4687.985733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4687.985733][ T7704] [ 4687.988008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4687.988008][ T7704] netdev_get_by_index+0x5e/0x80 [ 4687.988008][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4687.988008][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4687.988008][ T7704] ip6_route_add+0x1c/0x140 [ 4687.988008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4687.988008][ T7704] addrconf_add_dev+0xe2/0x170 [ 4687.988008][ T7704] inet6_addr_add+0x12f/0xa40 [ 4687.988008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4687.988008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4687.988008][ T7704] netlink_rcv_skb+0x130/0x360 [ 4687.988008][ T7704] netlink_unicast+0x449/0x710 [ 4687.988008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4687.988008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4687.988008][ T7704] ___sys_sendmsg+0xee/0x170 [ 4687.988008][ T7704] __sys_sendmsg+0xcd/0x170 [ 4687.988008][ T7704] do_syscall_64+0xc6/0x1e0 [ 4687.988008][ T7704] [ 4687.990198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4687.990198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4687.990198][ T7704] ipv6_find_idev+0x102/0x170 [ 4687.990198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4687.990198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4687.990198][ T7704] netlink_rcv_skb+0x130/0x360 [ 4687.990198][ T7704] netlink_unicast+0x449/0x710 [ 4687.990198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4687.990198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4687.990198][ T7704] ___sys_sendmsg+0xee/0x170 [ 4687.990198][ T7704] __sys_sendmsg+0xcd/0x170 [ 4687.990198][ T7704] do_syscall_64+0xc6/0x1e0 [ 4687.990198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4687.990198][ T7704] [ 4687.991917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4687.991917][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4687.991917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4687.991917][ T7704] ipv6_find_idev+0x102/0x170 [ 4687.991917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4687.991917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4687.991917][ T7704] netlink_rcv_skb+0x130/0x360 [ 4687.991917][ T7704] netlink_unicast+0x449/0x710 [ 4687.991917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4687.991917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4687.991917][ T7704] ___sys_sendmsg+0xee/0x170 [ 4687.991917][ T7704] __sys_sendmsg+0xcd/0x170 [ 4687.991917][ T7704] do_syscall_64+0xc6/0x1e0 [ 4687.991917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4687.991917][ T7704] [ 4698.142945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4698.143474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4698.143474][ T7704] netdev_get_by_index+0x5e/0x80 [ 4698.143474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4698.143474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4698.143474][ T7704] ip6_route_add+0x1c/0x140 [ 4698.143474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4698.143474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4698.143474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.143474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.143474][ T7704] netlink_rcv_skb+0x130/0x360 [ 4698.143474][ T7704] netlink_unicast+0x449/0x710 [ 4698.143474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4698.143474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4698.143474][ T7704] ___sys_sendmsg+0xee/0x170 [ 4698.143474][ T7704] __sys_sendmsg+0xcd/0x170 [ 4698.143474][ T7704] do_syscall_64+0xc6/0x1e0 [ 4698.143474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.143474][ T7704] [ 4698.145731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4698.145731][ T7704] netdev_get_by_index+0x5e/0x80 [ 4698.145731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4698.145731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4698.145731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4698.145731][ T7704] ipv6_add_addr+0x411/0x2000 [ 4698.145731][ T7704] inet6_addr_add+0x30e/0xa40 [ 4698.145731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.145731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.145731][ T7704] netlink_rcv_skb+0x130/0x360 [ 4698.145731][ T7704] netlink_unicast+0x449/0x710 [ 4698.145731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4698.145731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4698.145731][ T7704] ___sys_sendmsg+0xee/0x170 [ 4698.145731][ T7704] __sys_sendmsg+0xcd/0x170 [ 4698.145731][ T7704] do_syscall_64+0xc6/0x1e0 [ 4698.145731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.145731][ T7704] [ 4698.147991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4698.147991][ T7704] netdev_get_by_index+0x5e/0x80 [ 4698.147991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4698.147991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4698.147991][ T7704] ip6_route_add+0x1c/0x140 [ 4698.147991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4698.147991][ T7704] addrconf_add_dev+0xe2/0x170 [ 4698.147991][ T7704] inet6_addr_add+0x12f/0xa40 [ 4698.147991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.147991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.147991][ T7704] netlink_rcv_skb+0x130/0x360 [ 4698.147991][ T7704] netlink_unicast+0x449/0x710 [ 4698.147991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4698.147991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4698.147991][ T7704] ___sys_sendmsg+0xee/0x170 [ 4698.147991][ T7704] __sys_sendmsg+0xcd/0x170 [ 4698.147991][ T7704] do_syscall_64+0xc6/0x1e0 [ 4698.147991][ T7704] [ 4698.150193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4698.150193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4698.150193][ T7704] ipv6_find_idev+0x102/0x170 [ 4698.150193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4698.150193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.150193][ T7704] netlink_rcv_skb+0x130/0x360 [ 4698.150193][ T7704] netlink_unicast+0x449/0x710 [ 4698.150193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4698.150193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4698.150193][ T7704] ___sys_sendmsg+0xee/0x170 [ 4698.150193][ T7704] __sys_sendmsg+0xcd/0x170 [ 4698.150193][ T7704] do_syscall_64+0xc6/0x1e0 [ 4698.150193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.150193][ T7704] [ 4698.151924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4698.151924][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4698.151924][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4698.151924][ T7704] ipv6_find_idev+0x102/0x170 [ 4698.151924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4698.151924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.151924][ T7704] netlink_rcv_skb+0x130/0x360 [ 4698.151924][ T7704] netlink_unicast+0x449/0x710 [ 4698.151924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4698.151924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4698.151924][ T7704] ___sys_sendmsg+0xee/0x170 [ 4698.151924][ T7704] __sys_sendmsg+0xcd/0x170 [ 4698.151924][ T7704] do_syscall_64+0xc6/0x1e0 [ 4698.151924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.151924][ T7704] [ 4708.398945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4708.399470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4708.399470][ T7704] netdev_get_by_index+0x5e/0x80 [ 4708.399470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4708.399470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4708.399470][ T7704] ip6_route_add+0x1c/0x140 [ 4708.399470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4708.399470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4708.399470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4708.399470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4708.399470][ T7704] netlink_rcv_skb+0x130/0x360 [ 4708.399470][ T7704] netlink_unicast+0x449/0x710 [ 4708.399470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4708.399470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4708.399470][ T7704] ___sys_sendmsg+0xee/0x170 [ 4708.399470][ T7704] __sys_sendmsg+0xcd/0x170 [ 4708.399470][ T7704] do_syscall_64+0xc6/0x1e0 [ 4708.399470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4708.399470][ T7704] [ 4708.401765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4708.401765][ T7704] netdev_get_by_index+0x5e/0x80 [ 4708.401765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4708.401765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4708.401765][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4708.401765][ T7704] ipv6_add_addr+0x411/0x2000 [ 4708.401765][ T7704] inet6_addr_add+0x30e/0xa40 [ 4708.401765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4708.401765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4708.401765][ T7704] netlink_rcv_skb+0x130/0x360 [ 4708.401765][ T7704] netlink_unicast+0x449/0x710 [ 4708.401765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4708.401765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4708.401765][ T7704] ___sys_sendmsg+0xee/0x170 [ 4708.401765][ T7704] __sys_sendmsg+0xcd/0x170 [ 4708.401765][ T7704] do_syscall_64+0xc6/0x1e0 [ 4708.401765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4708.401765][ T7704] [ 4708.403997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4708.403997][ T7704] netdev_get_by_index+0x5e/0x80 [ 4708.403997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4708.403997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4708.403997][ T7704] ip6_route_add+0x1c/0x140 [ 4708.403997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4708.403997][ T7704] addrconf_add_dev+0xe2/0x170 [ 4708.403997][ T7704] inet6_addr_add+0x12f/0xa40 [ 4708.403997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4708.403997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4708.403997][ T7704] netlink_rcv_skb+0x130/0x360 [ 4708.403997][ T7704] netlink_unicast+0x449/0x710 [ 4708.403997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4708.403997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4708.403997][ T7704] ___sys_sendmsg+0xee/0x170 [ 4708.403997][ T7704] __sys_sendmsg+0xcd/0x170 [ 4708.403997][ T7704] do_syscall_64+0xc6/0x1e0 [ 4708.403997][ T7704] [ 4708.406199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4708.406199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4708.406199][ T7704] ipv6_find_idev+0x102/0x170 [ 4708.406199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4708.406199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4708.406199][ T7704] netlink_rcv_skb+0x130/0x360 [ 4708.406199][ T7704] netlink_unicast+0x449/0x710 [ 4708.406199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4708.406199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4708.406199][ T7704] ___sys_sendmsg+0xee/0x170 [ 4708.406199][ T7704] __sys_sendmsg+0xcd/0x170 [ 4708.406199][ T7704] do_syscall_64+0xc6/0x1e0 [ 4708.406199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4708.406199][ T7704] [ 4708.407933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4708.407933][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4708.407933][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4708.407933][ T7704] ipv6_find_idev+0x102/0x170 [ 4708.407933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4708.407933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4708.407933][ T7704] netlink_rcv_skb+0x130/0x360 [ 4708.407933][ T7704] netlink_unicast+0x449/0x710 [ 4708.407933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4708.407933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4708.407933][ T7704] ___sys_sendmsg+0xee/0x170 [ 4708.407933][ T7704] __sys_sendmsg+0xcd/0x170 [ 4708.407933][ T7704] do_syscall_64+0xc6/0x1e0 [ 4708.407933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4708.407933][ T7704] [ 4718.526942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4718.527457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4718.527457][ T7704] netdev_get_by_index+0x5e/0x80 [ 4718.527457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4718.527457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4718.527457][ T7704] ip6_route_add+0x1c/0x140 [ 4718.527457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4718.527457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4718.527457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4718.527457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4718.527457][ T7704] netlink_rcv_skb+0x130/0x360 [ 4718.527457][ T7704] netlink_unicast+0x449/0x710 [ 4718.527457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4718.527457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4718.527457][ T7704] ___sys_sendmsg+0xee/0x170 [ 4718.527457][ T7704] __sys_sendmsg+0xcd/0x170 [ 4718.527457][ T7704] do_syscall_64+0xc6/0x1e0 [ 4718.527457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4718.527457][ T7704] [ 4718.529730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4718.529730][ T7704] netdev_get_by_index+0x5e/0x80 [ 4718.529730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4718.529730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4718.529730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4718.529730][ T7704] ipv6_add_addr+0x411/0x2000 [ 4718.529730][ T7704] inet6_addr_add+0x30e/0xa40 [ 4718.529730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4718.529730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4718.529730][ T7704] netlink_rcv_skb+0x130/0x360 [ 4718.529730][ T7704] netlink_unicast+0x449/0x710 [ 4718.529730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4718.529730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4718.529730][ T7704] ___sys_sendmsg+0xee/0x170 [ 4718.529730][ T7704] __sys_sendmsg+0xcd/0x170 [ 4718.529730][ T7704] do_syscall_64+0xc6/0x1e0 [ 4718.529730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4718.529730][ T7704] [ 4718.531976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4718.531976][ T7704] netdev_get_by_index+0x5e/0x80 [ 4718.531976][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4718.531976][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4718.531976][ T7704] ip6_route_add+0x1c/0x140 [ 4718.531976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4718.531976][ T7704] addrconf_add_dev+0xe2/0x170 [ 4718.531976][ T7704] inet6_addr_add+0x12f/0xa40 [ 4718.531976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4718.531976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4718.531976][ T7704] netlink_rcv_skb+0x130/0x360 [ 4718.531976][ T7704] netlink_unicast+0x449/0x710 [ 4718.531976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4718.531976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4718.531976][ T7704] ___sys_sendmsg+0xee/0x170 [ 4718.531976][ T7704] __sys_sendmsg+0xcd/0x170 [ 4718.531976][ T7704] do_syscall_64+0xc6/0x1e0 [ 4718.531976][ T7704] [ 4718.534168][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4718.534168][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4718.534168][ T7704] ipv6_find_idev+0x102/0x170 [ 4718.534168][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4718.534168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4718.534168][ T7704] netlink_rcv_skb+0x130/0x360 [ 4718.534168][ T7704] netlink_unicast+0x449/0x710 [ 4718.534168][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4718.534168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4718.534168][ T7704] ___sys_sendmsg+0xee/0x170 [ 4718.534168][ T7704] __sys_sendmsg+0xcd/0x170 [ 4718.534168][ T7704] do_syscall_64+0xc6/0x1e0 [ 4718.534168][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4718.534168][ T7704] [ 4718.535888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4718.535888][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4718.535888][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4718.535888][ T7704] ipv6_find_idev+0x102/0x170 [ 4718.535888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4718.535888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4718.535888][ T7704] netlink_rcv_skb+0x130/0x360 [ 4718.535888][ T7704] netlink_unicast+0x449/0x710 [ 4718.535888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4718.535888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4718.535888][ T7704] ___sys_sendmsg+0xee/0x170 [ 4718.535888][ T7704] __sys_sendmsg+0xcd/0x170 [ 4718.535888][ T7704] do_syscall_64+0xc6/0x1e0 [ 4718.535888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4718.535888][ T7704] [ 4728.774932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4728.775485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4728.775485][ T7704] netdev_get_by_index+0x5e/0x80 [ 4728.775485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4728.775485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4728.775485][ T7704] ip6_route_add+0x1c/0x140 [ 4728.775485][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4728.775485][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4728.775485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4728.775485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4728.775485][ T7704] netlink_rcv_skb+0x130/0x360 [ 4728.775485][ T7704] netlink_unicast+0x449/0x710 [ 4728.775485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4728.775485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4728.775485][ T7704] ___sys_sendmsg+0xee/0x170 [ 4728.775485][ T7704] __sys_sendmsg+0xcd/0x170 [ 4728.775485][ T7704] do_syscall_64+0xc6/0x1e0 [ 4728.775485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4728.775485][ T7704] [ 4728.777770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4728.777770][ T7704] netdev_get_by_index+0x5e/0x80 [ 4728.777770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4728.777770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4728.777770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4728.777770][ T7704] ipv6_add_addr+0x411/0x2000 [ 4728.777770][ T7704] inet6_addr_add+0x30e/0xa40 [ 4728.777770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4728.777770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4728.777770][ T7704] netlink_rcv_skb+0x130/0x360 [ 4728.777770][ T7704] netlink_unicast+0x449/0x710 [ 4728.777770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4728.777770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4728.777770][ T7704] ___sys_sendmsg+0xee/0x170 [ 4728.777770][ T7704] __sys_sendmsg+0xcd/0x170 [ 4728.777770][ T7704] do_syscall_64+0xc6/0x1e0 [ 4728.777770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4728.777770][ T7704] [ 4728.780017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4728.780017][ T7704] netdev_get_by_index+0x5e/0x80 [ 4728.780017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4728.780017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4728.780017][ T7704] ip6_route_add+0x1c/0x140 [ 4728.780017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4728.780017][ T7704] addrconf_add_dev+0xe2/0x170 [ 4728.780017][ T7704] inet6_addr_add+0x12f/0xa40 [ 4728.780017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4728.780017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4728.780017][ T7704] netlink_rcv_skb+0x130/0x360 [ 4728.780017][ T7704] netlink_unicast+0x449/0x710 [ 4728.780017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4728.780017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4728.780017][ T7704] ___sys_sendmsg+0xee/0x170 [ 4728.780017][ T7704] __sys_sendmsg+0xcd/0x170 [ 4728.780017][ T7704] do_syscall_64+0xc6/0x1e0 [ 4728.780017][ T7704] [ 4728.782211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4728.782211][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4728.782211][ T7704] ipv6_find_idev+0x102/0x170 [ 4728.782211][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4728.782211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4728.782211][ T7704] netlink_rcv_skb+0x130/0x360 [ 4728.782211][ T7704] netlink_unicast+0x449/0x710 [ 4728.782211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4728.782211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4728.782211][ T7704] ___sys_sendmsg+0xee/0x170 [ 4728.782211][ T7704] __sys_sendmsg+0xcd/0x170 [ 4728.782211][ T7704] do_syscall_64+0xc6/0x1e0 [ 4728.782211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4728.782211][ T7704] [ 4728.783954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4728.783954][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4728.783954][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4728.783954][ T7704] ipv6_find_idev+0x102/0x170 [ 4728.783954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4728.783954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4728.783954][ T7704] netlink_rcv_skb+0x130/0x360 [ 4728.783954][ T7704] netlink_unicast+0x449/0x710 [ 4728.783954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4728.783954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4728.783954][ T7704] ___sys_sendmsg+0xee/0x170 [ 4728.783954][ T7704] __sys_sendmsg+0xcd/0x170 [ 4728.783954][ T7704] do_syscall_64+0xc6/0x1e0 [ 4728.783954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4728.783954][ T7704] [ 4739.022947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4739.023467][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4739.023467][ T7704] netdev_get_by_index+0x5e/0x80 [ 4739.023467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4739.023467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4739.023467][ T7704] ip6_route_add+0x1c/0x140 [ 4739.023467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4739.023467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4739.023467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.023467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.023467][ T7704] netlink_rcv_skb+0x130/0x360 [ 4739.023467][ T7704] netlink_unicast+0x449/0x710 [ 4739.023467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4739.023467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4739.023467][ T7704] ___sys_sendmsg+0xee/0x170 [ 4739.023467][ T7704] __sys_sendmsg+0xcd/0x170 [ 4739.023467][ T7704] do_syscall_64+0xc6/0x1e0 [ 4739.023467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.023467][ T7704] [ 4739.025773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4739.025773][ T7704] netdev_get_by_index+0x5e/0x80 [ 4739.025773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4739.025773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4739.025773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4739.025773][ T7704] ipv6_add_addr+0x411/0x2000 [ 4739.025773][ T7704] inet6_addr_add+0x30e/0xa40 [ 4739.025773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.025773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.025773][ T7704] netlink_rcv_skb+0x130/0x360 [ 4739.025773][ T7704] netlink_unicast+0x449/0x710 [ 4739.025773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4739.025773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4739.025773][ T7704] ___sys_sendmsg+0xee/0x170 [ 4739.025773][ T7704] __sys_sendmsg+0xcd/0x170 [ 4739.025773][ T7704] do_syscall_64+0xc6/0x1e0 [ 4739.025773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.025773][ T7704] [ 4739.028032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4739.028032][ T7704] netdev_get_by_index+0x5e/0x80 [ 4739.028032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4739.028032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4739.028032][ T7704] ip6_route_add+0x1c/0x140 [ 4739.028032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4739.028032][ T7704] addrconf_add_dev+0xe2/0x170 [ 4739.028032][ T7704] inet6_addr_add+0x12f/0xa40 [ 4739.028032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.028032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.028032][ T7704] netlink_rcv_skb+0x130/0x360 [ 4739.028032][ T7704] netlink_unicast+0x449/0x710 [ 4739.028032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4739.028032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4739.028032][ T7704] ___sys_sendmsg+0xee/0x170 [ 4739.028032][ T7704] __sys_sendmsg+0xcd/0x170 [ 4739.028032][ T7704] do_syscall_64+0xc6/0x1e0 [ 4739.028032][ T7704] [ 4739.030240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4739.030240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4739.030240][ T7704] ipv6_find_idev+0x102/0x170 [ 4739.030240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4739.030240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.030240][ T7704] netlink_rcv_skb+0x130/0x360 [ 4739.030240][ T7704] netlink_unicast+0x449/0x710 [ 4739.030240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4739.030240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4739.030240][ T7704] ___sys_sendmsg+0xee/0x170 [ 4739.030240][ T7704] __sys_sendmsg+0xcd/0x170 [ 4739.030240][ T7704] do_syscall_64+0xc6/0x1e0 [ 4739.030240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.030240][ T7704] [ 4739.032037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4739.032037][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4739.032037][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4739.032037][ T7704] ipv6_find_idev+0x102/0x170 [ 4739.032037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4739.032037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.032037][ T7704] netlink_rcv_skb+0x130/0x360 [ 4739.032037][ T7704] netlink_unicast+0x449/0x710 [ 4739.032037][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4739.032037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4739.032037][ T7704] ___sys_sendmsg+0xee/0x170 [ 4739.032037][ T7704] __sys_sendmsg+0xcd/0x170 [ 4739.032037][ T7704] do_syscall_64+0xc6/0x1e0 [ 4739.032037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.032037][ T7704] [ 4749.110943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4749.111381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4749.111381][ T7704] netdev_get_by_index+0x5e/0x80 [ 4749.111381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4749.111381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4749.111381][ T7704] ip6_route_add+0x1c/0x140 [ 4749.111381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4749.111381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4749.111381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.111381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.111381][ T7704] netlink_rcv_skb+0x130/0x360 [ 4749.111381][ T7704] netlink_unicast+0x449/0x710 [ 4749.111381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4749.111381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4749.111381][ T7704] ___sys_sendmsg+0xee/0x170 [ 4749.111381][ T7704] __sys_sendmsg+0xcd/0x170 [ 4749.111381][ T7704] do_syscall_64+0xc6/0x1e0 [ 4749.111381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.111381][ T7704] [ 4749.113747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4749.113747][ T7704] netdev_get_by_index+0x5e/0x80 [ 4749.113747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4749.113747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4749.113747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4749.113747][ T7704] ipv6_add_addr+0x411/0x2000 [ 4749.113747][ T7704] inet6_addr_add+0x30e/0xa40 [ 4749.113747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.113747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.113747][ T7704] netlink_rcv_skb+0x130/0x360 [ 4749.113747][ T7704] netlink_unicast+0x449/0x710 [ 4749.113747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4749.113747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4749.113747][ T7704] ___sys_sendmsg+0xee/0x170 [ 4749.113747][ T7704] __sys_sendmsg+0xcd/0x170 [ 4749.113747][ T7704] do_syscall_64+0xc6/0x1e0 [ 4749.113747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.113747][ T7704] [ 4749.116009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4749.116009][ T7704] netdev_get_by_index+0x5e/0x80 [ 4749.116009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4749.116009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4749.116009][ T7704] ip6_route_add+0x1c/0x140 [ 4749.116009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4749.116009][ T7704] addrconf_add_dev+0xe2/0x170 [ 4749.116009][ T7704] inet6_addr_add+0x12f/0xa40 [ 4749.116009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.116009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.116009][ T7704] netlink_rcv_skb+0x130/0x360 [ 4749.116009][ T7704] netlink_unicast+0x449/0x710 [ 4749.116009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4749.116009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4749.116009][ T7704] ___sys_sendmsg+0xee/0x170 [ 4749.116009][ T7704] __sys_sendmsg+0xcd/0x170 [ 4749.116009][ T7704] do_syscall_64+0xc6/0x1e0 [ 4749.116009][ T7704] [ 4749.118226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4749.118226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4749.118226][ T7704] ipv6_find_idev+0x102/0x170 [ 4749.118226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4749.118226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.118226][ T7704] netlink_rcv_skb+0x130/0x360 [ 4749.118226][ T7704] netlink_unicast+0x449/0x710 [ 4749.118226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4749.118226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4749.118226][ T7704] ___sys_sendmsg+0xee/0x170 [ 4749.118226][ T7704] __sys_sendmsg+0xcd/0x170 [ 4749.118226][ T7704] do_syscall_64+0xc6/0x1e0 [ 4749.118226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.118226][ T7704] [ 4749.119955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4749.119955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4749.119955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4749.119955][ T7704] ipv6_find_idev+0x102/0x170 [ 4749.119955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4749.119955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.119955][ T7704] netlink_rcv_skb+0x130/0x360 [ 4749.119955][ T7704] netlink_unicast+0x449/0x710 [ 4749.119955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4749.119955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4749.119955][ T7704] ___sys_sendmsg+0xee/0x170 [ 4749.119955][ T7704] __sys_sendmsg+0xcd/0x170 [ 4749.119955][ T7704] do_syscall_64+0xc6/0x1e0 [ 4749.119955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.119955][ T7704] [ 4759.358937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4759.359441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4759.359441][ T7704] netdev_get_by_index+0x5e/0x80 [ 4759.359441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4759.359441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4759.359441][ T7704] ip6_route_add+0x1c/0x140 [ 4759.359441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4759.359441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4759.359441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.359441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.359441][ T7704] netlink_rcv_skb+0x130/0x360 [ 4759.359441][ T7704] netlink_unicast+0x449/0x710 [ 4759.359441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4759.359441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4759.359441][ T7704] ___sys_sendmsg+0xee/0x170 [ 4759.359441][ T7704] __sys_sendmsg+0xcd/0x170 [ 4759.359441][ T7704] do_syscall_64+0xc6/0x1e0 [ 4759.359441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.359441][ T7704] [ 4759.361750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4759.361750][ T7704] netdev_get_by_index+0x5e/0x80 [ 4759.361750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4759.361750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4759.361750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4759.361750][ T7704] ipv6_add_addr+0x411/0x2000 [ 4759.361750][ T7704] inet6_addr_add+0x30e/0xa40 [ 4759.361750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.361750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.361750][ T7704] netlink_rcv_skb+0x130/0x360 [ 4759.361750][ T7704] netlink_unicast+0x449/0x710 [ 4759.361750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4759.361750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4759.361750][ T7704] ___sys_sendmsg+0xee/0x170 [ 4759.361750][ T7704] __sys_sendmsg+0xcd/0x170 [ 4759.361750][ T7704] do_syscall_64+0xc6/0x1e0 [ 4759.361750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.361750][ T7704] [ 4759.364009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4759.364009][ T7704] netdev_get_by_index+0x5e/0x80 [ 4759.364009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4759.364009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4759.364009][ T7704] ip6_route_add+0x1c/0x140 [ 4759.364009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4759.364009][ T7704] addrconf_add_dev+0xe2/0x170 [ 4759.364009][ T7704] inet6_addr_add+0x12f/0xa40 [ 4759.364009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.364009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.364009][ T7704] netlink_rcv_skb+0x130/0x360 [ 4759.364009][ T7704] netlink_unicast+0x449/0x710 [ 4759.364009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4759.364009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4759.364009][ T7704] ___sys_sendmsg+0xee/0x170 [ 4759.364009][ T7704] __sys_sendmsg+0xcd/0x170 [ 4759.364009][ T7704] do_syscall_64+0xc6/0x1e0 [ 4759.364009][ T7704] [ 4759.366231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4759.366231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4759.366231][ T7704] ipv6_find_idev+0x102/0x170 [ 4759.366231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4759.366231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.366231][ T7704] netlink_rcv_skb+0x130/0x360 [ 4759.366231][ T7704] netlink_unicast+0x449/0x710 [ 4759.366231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4759.366231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4759.366231][ T7704] ___sys_sendmsg+0xee/0x170 [ 4759.366231][ T7704] __sys_sendmsg+0xcd/0x170 [ 4759.366231][ T7704] do_syscall_64+0xc6/0x1e0 [ 4759.366231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.366231][ T7704] [ 4759.367994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4759.367994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4759.367994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4759.367994][ T7704] ipv6_find_idev+0x102/0x170 [ 4759.367994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4759.367994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.367994][ T7704] netlink_rcv_skb+0x130/0x360 [ 4759.367994][ T7704] netlink_unicast+0x449/0x710 [ 4759.367994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4759.367994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4759.367994][ T7704] ___sys_sendmsg+0xee/0x170 [ 4759.367994][ T7704] __sys_sendmsg+0xcd/0x170 [ 4759.367994][ T7704] do_syscall_64+0xc6/0x1e0 [ 4759.367994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.367994][ T7704] [ 4769.606938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4769.607489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4769.607489][ T7704] netdev_get_by_index+0x5e/0x80 [ 4769.607489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4769.607489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4769.607489][ T7704] ip6_route_add+0x1c/0x140 [ 4769.607489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4769.607489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4769.607489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4769.607489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4769.607489][ T7704] netlink_rcv_skb+0x130/0x360 [ 4769.607489][ T7704] netlink_unicast+0x449/0x710 [ 4769.607489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4769.607489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4769.607489][ T7704] ___sys_sendmsg+0xee/0x170 [ 4769.607489][ T7704] __sys_sendmsg+0xcd/0x170 [ 4769.607489][ T7704] do_syscall_64+0xc6/0x1e0 [ 4769.607489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4769.607489][ T7704] [ 4769.609746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4769.609746][ T7704] netdev_get_by_index+0x5e/0x80 [ 4769.609746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4769.609746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4769.609746][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4769.609746][ T7704] ipv6_add_addr+0x411/0x2000 [ 4769.609746][ T7704] inet6_addr_add+0x30e/0xa40 [ 4769.609746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4769.609746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4769.609746][ T7704] netlink_rcv_skb+0x130/0x360 [ 4769.609746][ T7704] netlink_unicast+0x449/0x710 [ 4769.609746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4769.609746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4769.609746][ T7704] ___sys_sendmsg+0xee/0x170 [ 4769.609746][ T7704] __sys_sendmsg+0xcd/0x170 [ 4769.609746][ T7704] do_syscall_64+0xc6/0x1e0 [ 4769.609746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4769.609746][ T7704] [ 4769.611991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4769.611991][ T7704] netdev_get_by_index+0x5e/0x80 [ 4769.611991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4769.611991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4769.611991][ T7704] ip6_route_add+0x1c/0x140 [ 4769.611991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4769.611991][ T7704] addrconf_add_dev+0xe2/0x170 [ 4769.611991][ T7704] inet6_addr_add+0x12f/0xa40 [ 4769.611991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4769.611991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4769.611991][ T7704] netlink_rcv_skb+0x130/0x360 [ 4769.611991][ T7704] netlink_unicast+0x449/0x710 [ 4769.611991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4769.611991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4769.611991][ T7704] ___sys_sendmsg+0xee/0x170 [ 4769.611991][ T7704] __sys_sendmsg+0xcd/0x170 [ 4769.611991][ T7704] do_syscall_64+0xc6/0x1e0 [ 4769.611991][ T7704] [ 4769.614199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4769.614199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4769.614199][ T7704] ipv6_find_idev+0x102/0x170 [ 4769.614199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4769.614199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4769.614199][ T7704] netlink_rcv_skb+0x130/0x360 [ 4769.614199][ T7704] netlink_unicast+0x449/0x710 [ 4769.614199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4769.614199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4769.614199][ T7704] ___sys_sendmsg+0xee/0x170 [ 4769.614199][ T7704] __sys_sendmsg+0xcd/0x170 [ 4769.614199][ T7704] do_syscall_64+0xc6/0x1e0 [ 4769.614199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4769.614199][ T7704] [ 4769.615916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4769.615916][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4769.615916][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4769.615916][ T7704] ipv6_find_idev+0x102/0x170 [ 4769.615916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4769.615916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4769.615916][ T7704] netlink_rcv_skb+0x130/0x360 [ 4769.615916][ T7704] netlink_unicast+0x449/0x710 [ 4769.615916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4769.615916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4769.615916][ T7704] ___sys_sendmsg+0xee/0x170 [ 4769.615916][ T7704] __sys_sendmsg+0xcd/0x170 [ 4769.615916][ T7704] do_syscall_64+0xc6/0x1e0 [ 4769.615916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4769.615916][ T7704] [ 4779.854954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4779.855451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4779.855451][ T7704] netdev_get_by_index+0x5e/0x80 [ 4779.855451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4779.855451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4779.855451][ T7704] ip6_route_add+0x1c/0x140 [ 4779.855451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4779.855451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4779.855451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4779.855451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4779.855451][ T7704] netlink_rcv_skb+0x130/0x360 [ 4779.855451][ T7704] netlink_unicast+0x449/0x710 [ 4779.855451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4779.855451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4779.855451][ T7704] ___sys_sendmsg+0xee/0x170 [ 4779.855451][ T7704] __sys_sendmsg+0xcd/0x170 [ 4779.855451][ T7704] do_syscall_64+0xc6/0x1e0 [ 4779.855451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4779.855451][ T7704] [ 4779.858424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4779.858424][ T7704] netdev_get_by_index+0x5e/0x80 [ 4779.858424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4779.858424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4779.858424][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4779.858424][ T7704] ipv6_add_addr+0x411/0x2000 [ 4779.858424][ T7704] inet6_addr_add+0x30e/0xa40 [ 4779.858424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4779.858424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4779.858424][ T7704] netlink_rcv_skb+0x130/0x360 [ 4779.858424][ T7704] netlink_unicast+0x449/0x710 [ 4779.858424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4779.858424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4779.858424][ T7704] ___sys_sendmsg+0xee/0x170 [ 4779.858424][ T7704] __sys_sendmsg+0xcd/0x170 [ 4779.858424][ T7704] do_syscall_64+0xc6/0x1e0 [ 4779.858424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4779.858424][ T7704] [ 4779.860672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4779.860672][ T7704] netdev_get_by_index+0x5e/0x80 [ 4779.860672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4779.860672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4779.860672][ T7704] ip6_route_add+0x1c/0x140 [ 4779.860672][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4779.860672][ T7704] addrconf_add_dev+0xe2/0x170 [ 4779.860672][ T7704] inet6_addr_add+0x12f/0xa40 [ 4779.860672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4779.860672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4779.860672][ T7704] netlink_rcv_skb+0x130/0x360 [ 4779.860672][ T7704] netlink_unicast+0x449/0x710 [ 4779.860672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4779.860672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4779.860672][ T7704] ___sys_sendmsg+0xee/0x170 [ 4779.860672][ T7704] __sys_sendmsg+0xcd/0x170 [ 4779.860672][ T7704] do_syscall_64+0xc6/0x1e0 [ 4779.860672][ T7704] [ 4779.862881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4779.862881][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4779.862881][ T7704] ipv6_find_idev+0x102/0x170 [ 4779.862881][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4779.862881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4779.862881][ T7704] netlink_rcv_skb+0x130/0x360 [ 4779.862881][ T7704] netlink_unicast+0x449/0x710 [ 4779.862881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4779.862881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4779.862881][ T7704] ___sys_sendmsg+0xee/0x170 [ 4779.862881][ T7704] __sys_sendmsg+0xcd/0x170 [ 4779.862881][ T7704] do_syscall_64+0xc6/0x1e0 [ 4779.862881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4779.862881][ T7704] [ 4779.864614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4779.864614][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4779.864614][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4779.864614][ T7704] ipv6_find_idev+0x102/0x170 [ 4779.864614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4779.864614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4779.864614][ T7704] netlink_rcv_skb+0x130/0x360 [ 4779.864614][ T7704] netlink_unicast+0x449/0x710 [ 4779.864614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4779.864614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4779.864614][ T7704] ___sys_sendmsg+0xee/0x170 [ 4779.864614][ T7704] __sys_sendmsg+0xcd/0x170 [ 4779.864614][ T7704] do_syscall_64+0xc6/0x1e0 [ 4779.864614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4779.864614][ T7704] [ 4790.102952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4790.103463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4790.103463][ T7704] netdev_get_by_index+0x5e/0x80 [ 4790.103463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4790.103463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4790.103463][ T7704] ip6_route_add+0x1c/0x140 [ 4790.103463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4790.103463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4790.103463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.103463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.103463][ T7704] netlink_rcv_skb+0x130/0x360 [ 4790.103463][ T7704] netlink_unicast+0x449/0x710 [ 4790.103463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4790.103463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4790.103463][ T7704] ___sys_sendmsg+0xee/0x170 [ 4790.103463][ T7704] __sys_sendmsg+0xcd/0x170 [ 4790.103463][ T7704] do_syscall_64+0xc6/0x1e0 [ 4790.103463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.103463][ T7704] [ 4790.105757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4790.105757][ T7704] netdev_get_by_index+0x5e/0x80 [ 4790.105757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4790.105757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4790.105757][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4790.105757][ T7704] ipv6_add_addr+0x411/0x2000 [ 4790.105757][ T7704] inet6_addr_add+0x30e/0xa40 [ 4790.105757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.105757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.105757][ T7704] netlink_rcv_skb+0x130/0x360 [ 4790.105757][ T7704] netlink_unicast+0x449/0x710 [ 4790.105757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4790.105757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4790.105757][ T7704] ___sys_sendmsg+0xee/0x170 [ 4790.105757][ T7704] __sys_sendmsg+0xcd/0x170 [ 4790.105757][ T7704] do_syscall_64+0xc6/0x1e0 [ 4790.105757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.105757][ T7704] [ 4790.108021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4790.108021][ T7704] netdev_get_by_index+0x5e/0x80 [ 4790.108021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4790.108021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4790.108021][ T7704] ip6_route_add+0x1c/0x140 [ 4790.108021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4790.108021][ T7704] addrconf_add_dev+0xe2/0x170 [ 4790.108021][ T7704] inet6_addr_add+0x12f/0xa40 [ 4790.108021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.108021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.108021][ T7704] netlink_rcv_skb+0x130/0x360 [ 4790.108021][ T7704] netlink_unicast+0x449/0x710 [ 4790.108021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4790.108021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4790.108021][ T7704] ___sys_sendmsg+0xee/0x170 [ 4790.108021][ T7704] __sys_sendmsg+0xcd/0x170 [ 4790.108021][ T7704] do_syscall_64+0xc6/0x1e0 [ 4790.108021][ T7704] [ 4790.110239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4790.110239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4790.110239][ T7704] ipv6_find_idev+0x102/0x170 [ 4790.110239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4790.110239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.110239][ T7704] netlink_rcv_skb+0x130/0x360 [ 4790.110239][ T7704] netlink_unicast+0x449/0x710 [ 4790.110239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4790.110239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4790.110239][ T7704] ___sys_sendmsg+0xee/0x170 [ 4790.110239][ T7704] __sys_sendmsg+0xcd/0x170 [ 4790.110239][ T7704] do_syscall_64+0xc6/0x1e0 [ 4790.110239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.110239][ T7704] [ 4790.111979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4790.111979][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4790.111979][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4790.111979][ T7704] ipv6_find_idev+0x102/0x170 [ 4790.111979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4790.111979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.111979][ T7704] netlink_rcv_skb+0x130/0x360 [ 4790.111979][ T7704] netlink_unicast+0x449/0x710 [ 4790.111979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4790.111979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4790.111979][ T7704] ___sys_sendmsg+0xee/0x170 [ 4790.111979][ T7704] __sys_sendmsg+0xcd/0x170 [ 4790.111979][ T7704] do_syscall_64+0xc6/0x1e0 [ 4790.111979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.111979][ T7704] [ 4800.350951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4800.351477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4800.351477][ T7704] netdev_get_by_index+0x5e/0x80 [ 4800.351477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4800.351477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4800.351477][ T7704] ip6_route_add+0x1c/0x140 [ 4800.351477][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4800.351477][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4800.351477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.351477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.351477][ T7704] netlink_rcv_skb+0x130/0x360 [ 4800.351477][ T7704] netlink_unicast+0x449/0x710 [ 4800.351477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4800.351477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4800.351477][ T7704] ___sys_sendmsg+0xee/0x170 [ 4800.351477][ T7704] __sys_sendmsg+0xcd/0x170 [ 4800.351477][ T7704] do_syscall_64+0xc6/0x1e0 [ 4800.351477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.351477][ T7704] [ 4800.353773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4800.353773][ T7704] netdev_get_by_index+0x5e/0x80 [ 4800.353773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4800.353773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4800.353773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4800.353773][ T7704] ipv6_add_addr+0x411/0x2000 [ 4800.353773][ T7704] inet6_addr_add+0x30e/0xa40 [ 4800.353773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.353773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.353773][ T7704] netlink_rcv_skb+0x130/0x360 [ 4800.353773][ T7704] netlink_unicast+0x449/0x710 [ 4800.353773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4800.353773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4800.353773][ T7704] ___sys_sendmsg+0xee/0x170 [ 4800.353773][ T7704] __sys_sendmsg+0xcd/0x170 [ 4800.353773][ T7704] do_syscall_64+0xc6/0x1e0 [ 4800.353773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.353773][ T7704] [ 4800.356066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4800.356066][ T7704] netdev_get_by_index+0x5e/0x80 [ 4800.356066][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4800.356066][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4800.356066][ T7704] ip6_route_add+0x1c/0x140 [ 4800.356066][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4800.356066][ T7704] addrconf_add_dev+0xe2/0x170 [ 4800.356066][ T7704] inet6_addr_add+0x12f/0xa40 [ 4800.356066][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.356066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.356066][ T7704] netlink_rcv_skb+0x130/0x360 [ 4800.356066][ T7704] netlink_unicast+0x449/0x710 [ 4800.356066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4800.356066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4800.356066][ T7704] ___sys_sendmsg+0xee/0x170 [ 4800.356066][ T7704] __sys_sendmsg+0xcd/0x170 [ 4800.356066][ T7704] do_syscall_64+0xc6/0x1e0 [ 4800.356066][ T7704] [ 4800.358297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4800.358297][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4800.358297][ T7704] ipv6_find_idev+0x102/0x170 [ 4800.358297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4800.358297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.358297][ T7704] netlink_rcv_skb+0x130/0x360 [ 4800.358297][ T7704] netlink_unicast+0x449/0x710 [ 4800.358297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4800.358297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4800.358297][ T7704] ___sys_sendmsg+0xee/0x170 [ 4800.358297][ T7704] __sys_sendmsg+0xcd/0x170 [ 4800.358297][ T7704] do_syscall_64+0xc6/0x1e0 [ 4800.358297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.358297][ T7704] [ 4800.360043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4800.360043][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4800.360043][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4800.360043][ T7704] ipv6_find_idev+0x102/0x170 [ 4800.360043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4800.360043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.360043][ T7704] netlink_rcv_skb+0x130/0x360 [ 4800.360043][ T7704] netlink_unicast+0x449/0x710 [ 4800.360043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4800.360043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4800.360043][ T7704] ___sys_sendmsg+0xee/0x170 [ 4800.360043][ T7704] __sys_sendmsg+0xcd/0x170 [ 4800.360043][ T7704] do_syscall_64+0xc6/0x1e0 [ 4800.360043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.360043][ T7704] [ 4810.598955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4810.599551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4810.599551][ T7704] netdev_get_by_index+0x5e/0x80 [ 4810.599551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4810.599551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4810.599551][ T7704] ip6_route_add+0x1c/0x140 [ 4810.599551][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4810.599551][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4810.599551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4810.599551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4810.599551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4810.599551][ T7704] netlink_unicast+0x449/0x710 [ 4810.599551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4810.599551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4810.599551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4810.599551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4810.599551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4810.599551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4810.599551][ T7704] [ 4810.601854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4810.601854][ T7704] netdev_get_by_index+0x5e/0x80 [ 4810.601854][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4810.601854][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4810.601854][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4810.601854][ T7704] ipv6_add_addr+0x411/0x2000 [ 4810.601854][ T7704] inet6_addr_add+0x30e/0xa40 [ 4810.601854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4810.601854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4810.601854][ T7704] netlink_rcv_skb+0x130/0x360 [ 4810.601854][ T7704] netlink_unicast+0x449/0x710 [ 4810.601854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4810.601854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4810.601854][ T7704] ___sys_sendmsg+0xee/0x170 [ 4810.601854][ T7704] __sys_sendmsg+0xcd/0x170 [ 4810.601854][ T7704] do_syscall_64+0xc6/0x1e0 [ 4810.601854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4810.601854][ T7704] [ 4810.604142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4810.604142][ T7704] netdev_get_by_index+0x5e/0x80 [ 4810.604142][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4810.604142][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4810.604142][ T7704] ip6_route_add+0x1c/0x140 [ 4810.604142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4810.604142][ T7704] addrconf_add_dev+0xe2/0x170 [ 4810.604142][ T7704] inet6_addr_add+0x12f/0xa40 [ 4810.604142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4810.604142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4810.604142][ T7704] netlink_rcv_skb+0x130/0x360 [ 4810.604142][ T7704] netlink_unicast+0x449/0x710 [ 4810.604142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4810.604142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4810.604142][ T7704] ___sys_sendmsg+0xee/0x170 [ 4810.604142][ T7704] __sys_sendmsg+0xcd/0x170 [ 4810.604142][ T7704] do_syscall_64+0xc6/0x1e0 [ 4810.604142][ T7704] [ 4810.606384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4810.606384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4810.606384][ T7704] ipv6_find_idev+0x102/0x170 [ 4810.606384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4810.606384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4810.606384][ T7704] netlink_rcv_skb+0x130/0x360 [ 4810.606384][ T7704] netlink_unicast+0x449/0x710 [ 4810.606384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4810.606384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4810.606384][ T7704] ___sys_sendmsg+0xee/0x170 [ 4810.606384][ T7704] __sys_sendmsg+0xcd/0x170 [ 4810.606384][ T7704] do_syscall_64+0xc6/0x1e0 [ 4810.606384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4810.606384][ T7704] [ 4810.608147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4810.608147][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4810.608147][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4810.608147][ T7704] ipv6_find_idev+0x102/0x170 [ 4810.608147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4810.608147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4810.608147][ T7704] netlink_rcv_skb+0x130/0x360 [ 4810.608147][ T7704] netlink_unicast+0x449/0x710 [ 4810.608147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4810.608147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4810.608147][ T7704] ___sys_sendmsg+0xee/0x170 [ 4810.608147][ T7704] __sys_sendmsg+0xcd/0x170 [ 4810.608147][ T7704] do_syscall_64+0xc6/0x1e0 [ 4810.608147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4810.608147][ T7704] [ 4820.862948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4820.863451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4820.863451][ T7704] netdev_get_by_index+0x5e/0x80 [ 4820.863451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4820.863451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4820.863451][ T7704] ip6_route_add+0x1c/0x140 [ 4820.863451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4820.863451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4820.863451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4820.863451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4820.863451][ T7704] netlink_rcv_skb+0x130/0x360 [ 4820.863451][ T7704] netlink_unicast+0x449/0x710 [ 4820.863451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4820.863451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4820.863451][ T7704] ___sys_sendmsg+0xee/0x170 [ 4820.863451][ T7704] __sys_sendmsg+0xcd/0x170 [ 4820.863451][ T7704] do_syscall_64+0xc6/0x1e0 [ 4820.863451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4820.863451][ T7704] [ 4820.865758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4820.865758][ T7704] netdev_get_by_index+0x5e/0x80 [ 4820.865758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4820.865758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4820.865758][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4820.865758][ T7704] ipv6_add_addr+0x411/0x2000 [ 4820.865758][ T7704] inet6_addr_add+0x30e/0xa40 [ 4820.865758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4820.865758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4820.865758][ T7704] netlink_rcv_skb+0x130/0x360 [ 4820.865758][ T7704] netlink_unicast+0x449/0x710 [ 4820.865758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4820.865758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4820.865758][ T7704] ___sys_sendmsg+0xee/0x170 [ 4820.865758][ T7704] __sys_sendmsg+0xcd/0x170 [ 4820.865758][ T7704] do_syscall_64+0xc6/0x1e0 [ 4820.865758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4820.865758][ T7704] [ 4820.868024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4820.868024][ T7704] netdev_get_by_index+0x5e/0x80 [ 4820.868024][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4820.868024][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4820.868024][ T7704] ip6_route_add+0x1c/0x140 [ 4820.868024][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4820.868024][ T7704] addrconf_add_dev+0xe2/0x170 [ 4820.868024][ T7704] inet6_addr_add+0x12f/0xa40 [ 4820.868024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4820.868024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4820.868024][ T7704] netlink_rcv_skb+0x130/0x360 [ 4820.868024][ T7704] netlink_unicast+0x449/0x710 [ 4820.868024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4820.868024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4820.868024][ T7704] ___sys_sendmsg+0xee/0x170 [ 4820.868024][ T7704] __sys_sendmsg+0xcd/0x170 [ 4820.868024][ T7704] do_syscall_64+0xc6/0x1e0 [ 4820.868024][ T7704] [ 4820.870242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4820.870242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4820.870242][ T7704] ipv6_find_idev+0x102/0x170 [ 4820.870242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4820.870242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4820.870242][ T7704] netlink_rcv_skb+0x130/0x360 [ 4820.870242][ T7704] netlink_unicast+0x449/0x710 [ 4820.870242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4820.870242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4820.870242][ T7704] ___sys_sendmsg+0xee/0x170 [ 4820.870242][ T7704] __sys_sendmsg+0xcd/0x170 [ 4820.870242][ T7704] do_syscall_64+0xc6/0x1e0 [ 4820.870242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4820.870242][ T7704] [ 4820.871955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4820.871955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4820.871955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4820.871955][ T7704] ipv6_find_idev+0x102/0x170 [ 4820.871955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4820.871955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4820.871955][ T7704] netlink_rcv_skb+0x130/0x360 [ 4820.871955][ T7704] netlink_unicast+0x449/0x710 [ 4820.871955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4820.871955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4820.871955][ T7704] ___sys_sendmsg+0xee/0x170 [ 4820.871955][ T7704] __sys_sendmsg+0xcd/0x170 [ 4820.871955][ T7704] do_syscall_64+0xc6/0x1e0 [ 4820.871955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4820.871955][ T7704] [ 4831.110950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4831.111479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4831.111479][ T7704] netdev_get_by_index+0x5e/0x80 [ 4831.111479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4831.111479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4831.111479][ T7704] ip6_route_add+0x1c/0x140 [ 4831.111479][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4831.111479][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4831.111479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.111479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.111479][ T7704] netlink_rcv_skb+0x130/0x360 [ 4831.111479][ T7704] netlink_unicast+0x449/0x710 [ 4831.111479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4831.111479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4831.111479][ T7704] ___sys_sendmsg+0xee/0x170 [ 4831.111479][ T7704] __sys_sendmsg+0xcd/0x170 [ 4831.111479][ T7704] do_syscall_64+0xc6/0x1e0 [ 4831.111479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.111479][ T7704] [ 4831.113757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4831.113757][ T7704] netdev_get_by_index+0x5e/0x80 [ 4831.113757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4831.113757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4831.113757][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4831.113757][ T7704] ipv6_add_addr+0x411/0x2000 [ 4831.113757][ T7704] inet6_addr_add+0x30e/0xa40 [ 4831.113757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.113757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.113757][ T7704] netlink_rcv_skb+0x130/0x360 [ 4831.113757][ T7704] netlink_unicast+0x449/0x710 [ 4831.113757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4831.113757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4831.113757][ T7704] ___sys_sendmsg+0xee/0x170 [ 4831.113757][ T7704] __sys_sendmsg+0xcd/0x170 [ 4831.113757][ T7704] do_syscall_64+0xc6/0x1e0 [ 4831.113757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.113757][ T7704] [ 4831.116028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4831.116028][ T7704] netdev_get_by_index+0x5e/0x80 [ 4831.116028][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4831.116028][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4831.116028][ T7704] ip6_route_add+0x1c/0x140 [ 4831.116028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4831.116028][ T7704] addrconf_add_dev+0xe2/0x170 [ 4831.116028][ T7704] inet6_addr_add+0x12f/0xa40 [ 4831.116028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.116028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.116028][ T7704] netlink_rcv_skb+0x130/0x360 [ 4831.116028][ T7704] netlink_unicast+0x449/0x710 [ 4831.116028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4831.116028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4831.116028][ T7704] ___sys_sendmsg+0xee/0x170 [ 4831.116028][ T7704] __sys_sendmsg+0xcd/0x170 [ 4831.116028][ T7704] do_syscall_64+0xc6/0x1e0 [ 4831.116028][ T7704] [ 4831.118231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4831.118231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4831.118231][ T7704] ipv6_find_idev+0x102/0x170 [ 4831.118231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4831.118231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.118231][ T7704] netlink_rcv_skb+0x130/0x360 [ 4831.118231][ T7704] netlink_unicast+0x449/0x710 [ 4831.118231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4831.118231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4831.118231][ T7704] ___sys_sendmsg+0xee/0x170 [ 4831.118231][ T7704] __sys_sendmsg+0xcd/0x170 [ 4831.118231][ T7704] do_syscall_64+0xc6/0x1e0 [ 4831.118231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.118231][ T7704] [ 4831.119941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4831.119941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4831.119941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4831.119941][ T7704] ipv6_find_idev+0x102/0x170 [ 4831.119941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4831.119941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.119941][ T7704] netlink_rcv_skb+0x130/0x360 [ 4831.119941][ T7704] netlink_unicast+0x449/0x710 [ 4831.119941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4831.119941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4831.119941][ T7704] ___sys_sendmsg+0xee/0x170 [ 4831.119941][ T7704] __sys_sendmsg+0xcd/0x170 [ 4831.119941][ T7704] do_syscall_64+0xc6/0x1e0 [ 4831.119941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.119941][ T7704] [ 4841.495032][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4841.495541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4841.495541][ T7704] netdev_get_by_index+0x5e/0x80 [ 4841.495541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4841.495541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4841.495541][ T7704] ip6_route_add+0x1c/0x140 [ 4841.495541][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4841.495541][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4841.495541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.495541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.495541][ T7704] netlink_rcv_skb+0x130/0x360 [ 4841.495541][ T7704] netlink_unicast+0x449/0x710 [ 4841.495541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4841.495541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4841.495541][ T7704] ___sys_sendmsg+0xee/0x170 [ 4841.495541][ T7704] __sys_sendmsg+0xcd/0x170 [ 4841.495541][ T7704] do_syscall_64+0xc6/0x1e0 [ 4841.495541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.495541][ T7704] [ 4841.497833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4841.497833][ T7704] netdev_get_by_index+0x5e/0x80 [ 4841.497833][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4841.497833][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4841.497833][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4841.497833][ T7704] ipv6_add_addr+0x411/0x2000 [ 4841.497833][ T7704] inet6_addr_add+0x30e/0xa40 [ 4841.497833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.497833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.497833][ T7704] netlink_rcv_skb+0x130/0x360 [ 4841.497833][ T7704] netlink_unicast+0x449/0x710 [ 4841.497833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4841.497833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4841.497833][ T7704] ___sys_sendmsg+0xee/0x170 [ 4841.497833][ T7704] __sys_sendmsg+0xcd/0x170 [ 4841.497833][ T7704] do_syscall_64+0xc6/0x1e0 [ 4841.497833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.497833][ T7704] [ 4841.500089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4841.500089][ T7704] netdev_get_by_index+0x5e/0x80 [ 4841.500089][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4841.500089][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4841.500089][ T7704] ip6_route_add+0x1c/0x140 [ 4841.500089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4841.500089][ T7704] addrconf_add_dev+0xe2/0x170 [ 4841.500089][ T7704] inet6_addr_add+0x12f/0xa40 [ 4841.500089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.500089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.500089][ T7704] netlink_rcv_skb+0x130/0x360 [ 4841.500089][ T7704] netlink_unicast+0x449/0x710 [ 4841.500089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4841.500089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4841.500089][ T7704] ___sys_sendmsg+0xee/0x170 [ 4841.500089][ T7704] __sys_sendmsg+0xcd/0x170 [ 4841.500089][ T7704] do_syscall_64+0xc6/0x1e0 [ 4841.500089][ T7704] [ 4841.502277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4841.502277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4841.502277][ T7704] ipv6_find_idev+0x102/0x170 [ 4841.502277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4841.502277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.502277][ T7704] netlink_rcv_skb+0x130/0x360 [ 4841.502277][ T7704] netlink_unicast+0x449/0x710 [ 4841.502277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4841.502277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4841.502277][ T7704] ___sys_sendmsg+0xee/0x170 [ 4841.502277][ T7704] __sys_sendmsg+0xcd/0x170 [ 4841.502277][ T7704] do_syscall_64+0xc6/0x1e0 [ 4841.502277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.502277][ T7704] [ 4841.503991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4841.503991][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4841.503991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4841.503991][ T7704] ipv6_find_idev+0x102/0x170 [ 4841.503991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4841.503991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.503991][ T7704] netlink_rcv_skb+0x130/0x360 [ 4841.503991][ T7704] netlink_unicast+0x449/0x710 [ 4841.503991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4841.503991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4841.503991][ T7704] ___sys_sendmsg+0xee/0x170 [ 4841.503991][ T7704] __sys_sendmsg+0xcd/0x170 [ 4841.503991][ T7704] do_syscall_64+0xc6/0x1e0 [ 4841.503991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.503991][ T7704] [ 4851.606962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4851.607466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4851.607466][ T7704] netdev_get_by_index+0x5e/0x80 [ 4851.607466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4851.607466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4851.607466][ T7704] ip6_route_add+0x1c/0x140 [ 4851.607466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4851.607466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4851.607466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4851.607466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4851.607466][ T7704] netlink_rcv_skb+0x130/0x360 [ 4851.607466][ T7704] netlink_unicast+0x449/0x710 [ 4851.607466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4851.607466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4851.607466][ T7704] ___sys_sendmsg+0xee/0x170 [ 4851.607466][ T7704] __sys_sendmsg+0xcd/0x170 [ 4851.607466][ T7704] do_syscall_64+0xc6/0x1e0 [ 4851.607466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4851.607466][ T7704] [ 4851.609768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4851.609768][ T7704] netdev_get_by_index+0x5e/0x80 [ 4851.609768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4851.609768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4851.609768][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4851.609768][ T7704] ipv6_add_addr+0x411/0x2000 [ 4851.609768][ T7704] inet6_addr_add+0x30e/0xa40 [ 4851.609768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4851.609768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4851.609768][ T7704] netlink_rcv_skb+0x130/0x360 [ 4851.609768][ T7704] netlink_unicast+0x449/0x710 [ 4851.609768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4851.609768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4851.609768][ T7704] ___sys_sendmsg+0xee/0x170 [ 4851.609768][ T7704] __sys_sendmsg+0xcd/0x170 [ 4851.609768][ T7704] do_syscall_64+0xc6/0x1e0 [ 4851.609768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4851.609768][ T7704] [ 4851.612009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4851.612009][ T7704] netdev_get_by_index+0x5e/0x80 [ 4851.612009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4851.612009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4851.612009][ T7704] ip6_route_add+0x1c/0x140 [ 4851.612009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4851.612009][ T7704] addrconf_add_dev+0xe2/0x170 [ 4851.612009][ T7704] inet6_addr_add+0x12f/0xa40 [ 4851.612009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4851.612009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4851.612009][ T7704] netlink_rcv_skb+0x130/0x360 [ 4851.612009][ T7704] netlink_unicast+0x449/0x710 [ 4851.612009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4851.612009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4851.612009][ T7704] ___sys_sendmsg+0xee/0x170 [ 4851.612009][ T7704] __sys_sendmsg+0xcd/0x170 [ 4851.612009][ T7704] do_syscall_64+0xc6/0x1e0 [ 4851.612009][ T7704] [ 4851.614224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4851.614224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4851.614224][ T7704] ipv6_find_idev+0x102/0x170 [ 4851.614224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4851.614224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4851.614224][ T7704] netlink_rcv_skb+0x130/0x360 [ 4851.614224][ T7704] netlink_unicast+0x449/0x710 [ 4851.614224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4851.614224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4851.614224][ T7704] ___sys_sendmsg+0xee/0x170 [ 4851.614224][ T7704] __sys_sendmsg+0xcd/0x170 [ 4851.614224][ T7704] do_syscall_64+0xc6/0x1e0 [ 4851.614224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4851.614224][ T7704] [ 4851.615948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4851.615948][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4851.615948][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4851.615948][ T7704] ipv6_find_idev+0x102/0x170 [ 4851.615948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4851.615948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4851.615948][ T7704] netlink_rcv_skb+0x130/0x360 [ 4851.615948][ T7704] netlink_unicast+0x449/0x710 [ 4851.615948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4851.615948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4851.615948][ T7704] ___sys_sendmsg+0xee/0x170 [ 4851.615948][ T7704] __sys_sendmsg+0xcd/0x170 [ 4851.615948][ T7704] do_syscall_64+0xc6/0x1e0 [ 4851.615948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4851.615948][ T7704] [ 4861.662947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4861.663456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4861.663456][ T7704] netdev_get_by_index+0x5e/0x80 [ 4861.663456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4861.663456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4861.663456][ T7704] ip6_route_add+0x1c/0x140 [ 4861.663456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4861.663456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4861.663456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4861.663456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4861.663456][ T7704] netlink_rcv_skb+0x130/0x360 [ 4861.663456][ T7704] netlink_unicast+0x449/0x710 [ 4861.663456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4861.663456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4861.663456][ T7704] ___sys_sendmsg+0xee/0x170 [ 4861.663456][ T7704] __sys_sendmsg+0xcd/0x170 [ 4861.663456][ T7704] do_syscall_64+0xc6/0x1e0 [ 4861.663456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4861.663456][ T7704] [ 4861.665732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4861.665732][ T7704] netdev_get_by_index+0x5e/0x80 [ 4861.665732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4861.665732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4861.665732][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4861.665732][ T7704] ipv6_add_addr+0x411/0x2000 [ 4861.665732][ T7704] inet6_addr_add+0x30e/0xa40 [ 4861.665732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4861.665732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4861.665732][ T7704] netlink_rcv_skb+0x130/0x360 [ 4861.665732][ T7704] netlink_unicast+0x449/0x710 [ 4861.665732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4861.665732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4861.665732][ T7704] ___sys_sendmsg+0xee/0x170 [ 4861.665732][ T7704] __sys_sendmsg+0xcd/0x170 [ 4861.665732][ T7704] do_syscall_64+0xc6/0x1e0 [ 4861.665732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4861.665732][ T7704] [ 4861.667978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4861.667978][ T7704] netdev_get_by_index+0x5e/0x80 [ 4861.667978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4861.667978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4861.667978][ T7704] ip6_route_add+0x1c/0x140 [ 4861.667978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4861.667978][ T7704] addrconf_add_dev+0xe2/0x170 [ 4861.667978][ T7704] inet6_addr_add+0x12f/0xa40 [ 4861.667978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4861.667978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4861.667978][ T7704] netlink_rcv_skb+0x130/0x360 [ 4861.667978][ T7704] netlink_unicast+0x449/0x710 [ 4861.667978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4861.667978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4861.667978][ T7704] ___sys_sendmsg+0xee/0x170 [ 4861.667978][ T7704] __sys_sendmsg+0xcd/0x170 [ 4861.667978][ T7704] do_syscall_64+0xc6/0x1e0 [ 4861.667978][ T7704] [ 4861.670183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4861.670183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4861.670183][ T7704] ipv6_find_idev+0x102/0x170 [ 4861.670183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4861.670183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4861.670183][ T7704] netlink_rcv_skb+0x130/0x360 [ 4861.670183][ T7704] netlink_unicast+0x449/0x710 [ 4861.670183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4861.670183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4861.670183][ T7704] ___sys_sendmsg+0xee/0x170 [ 4861.670183][ T7704] __sys_sendmsg+0xcd/0x170 [ 4861.670183][ T7704] do_syscall_64+0xc6/0x1e0 [ 4861.670183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4861.670183][ T7704] [ 4861.671940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4861.671940][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4861.671940][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4861.671940][ T7704] ipv6_find_idev+0x102/0x170 [ 4861.671940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4861.671940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4861.671940][ T7704] netlink_rcv_skb+0x130/0x360 [ 4861.671940][ T7704] netlink_unicast+0x449/0x710 [ 4861.671940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4861.671940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4861.671940][ T7704] ___sys_sendmsg+0xee/0x170 [ 4861.671940][ T7704] __sys_sendmsg+0xcd/0x170 [ 4861.671940][ T7704] do_syscall_64+0xc6/0x1e0 [ 4861.671940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4861.671940][ T7704] [ 4871.918944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4871.919487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4871.919487][ T7704] netdev_get_by_index+0x5e/0x80 [ 4871.919487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4871.919487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4871.919487][ T7704] ip6_route_add+0x1c/0x140 [ 4871.919487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4871.919487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4871.919487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4871.919487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4871.919487][ T7704] netlink_rcv_skb+0x130/0x360 [ 4871.919487][ T7704] netlink_unicast+0x449/0x710 [ 4871.919487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4871.919487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4871.919487][ T7704] ___sys_sendmsg+0xee/0x170 [ 4871.919487][ T7704] __sys_sendmsg+0xcd/0x170 [ 4871.919487][ T7704] do_syscall_64+0xc6/0x1e0 [ 4871.919487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4871.919487][ T7704] [ 4871.921763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4871.921763][ T7704] netdev_get_by_index+0x5e/0x80 [ 4871.921763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4871.921763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4871.921763][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4871.921763][ T7704] ipv6_add_addr+0x411/0x2000 [ 4871.921763][ T7704] inet6_addr_add+0x30e/0xa40 [ 4871.921763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4871.921763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4871.921763][ T7704] netlink_rcv_skb+0x130/0x360 [ 4871.921763][ T7704] netlink_unicast+0x449/0x710 [ 4871.921763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4871.921763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4871.921763][ T7704] ___sys_sendmsg+0xee/0x170 [ 4871.921763][ T7704] __sys_sendmsg+0xcd/0x170 [ 4871.921763][ T7704] do_syscall_64+0xc6/0x1e0 [ 4871.921763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4871.921763][ T7704] [ 4871.924582][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4871.924582][ T7704] netdev_get_by_index+0x5e/0x80 [ 4871.924582][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4871.924582][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4871.924582][ T7704] ip6_route_add+0x1c/0x140 [ 4871.924582][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4871.924582][ T7704] addrconf_add_dev+0xe2/0x170 [ 4871.924582][ T7704] inet6_addr_add+0x12f/0xa40 [ 4871.924582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4871.924582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4871.924582][ T7704] netlink_rcv_skb+0x130/0x360 [ 4871.924582][ T7704] netlink_unicast+0x449/0x710 [ 4871.924582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4871.924582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4871.924582][ T7704] ___sys_sendmsg+0xee/0x170 [ 4871.924582][ T7704] __sys_sendmsg+0xcd/0x170 [ 4871.924582][ T7704] do_syscall_64+0xc6/0x1e0 [ 4871.924582][ T7704] [ 4871.926789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4871.926789][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4871.926789][ T7704] ipv6_find_idev+0x102/0x170 [ 4871.926789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4871.926789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4871.926789][ T7704] netlink_rcv_skb+0x130/0x360 [ 4871.926789][ T7704] netlink_unicast+0x449/0x710 [ 4871.926789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4871.926789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4871.926789][ T7704] ___sys_sendmsg+0xee/0x170 [ 4871.926789][ T7704] __sys_sendmsg+0xcd/0x170 [ 4871.926789][ T7704] do_syscall_64+0xc6/0x1e0 [ 4871.926789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4871.926789][ T7704] [ 4871.928515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4871.928515][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4871.928515][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4871.928515][ T7704] ipv6_find_idev+0x102/0x170 [ 4871.928515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4871.928515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4871.928515][ T7704] netlink_rcv_skb+0x130/0x360 [ 4871.928515][ T7704] netlink_unicast+0x449/0x710 [ 4871.928515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4871.928515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4871.928515][ T7704] ___sys_sendmsg+0xee/0x170 [ 4871.928515][ T7704] __sys_sendmsg+0xcd/0x170 [ 4871.928515][ T7704] do_syscall_64+0xc6/0x1e0 [ 4871.928515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4871.928515][ T7704] [ 4882.166969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4882.167536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4882.167536][ T7704] netdev_get_by_index+0x5e/0x80 [ 4882.167536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4882.167536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4882.167536][ T7704] ip6_route_add+0x1c/0x140 [ 4882.167536][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4882.167536][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4882.167536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.167536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.167536][ T7704] netlink_rcv_skb+0x130/0x360 [ 4882.167536][ T7704] netlink_unicast+0x449/0x710 [ 4882.167536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4882.167536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4882.167536][ T7704] ___sys_sendmsg+0xee/0x170 [ 4882.167536][ T7704] __sys_sendmsg+0xcd/0x170 [ 4882.167536][ T7704] do_syscall_64+0xc6/0x1e0 [ 4882.167536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.167536][ T7704] [ 4882.169830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4882.169830][ T7704] netdev_get_by_index+0x5e/0x80 [ 4882.169830][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4882.169830][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4882.169830][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4882.169830][ T7704] ipv6_add_addr+0x411/0x2000 [ 4882.169830][ T7704] inet6_addr_add+0x30e/0xa40 [ 4882.169830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.169830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.169830][ T7704] netlink_rcv_skb+0x130/0x360 [ 4882.169830][ T7704] netlink_unicast+0x449/0x710 [ 4882.169830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4882.169830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4882.169830][ T7704] ___sys_sendmsg+0xee/0x170 [ 4882.169830][ T7704] __sys_sendmsg+0xcd/0x170 [ 4882.169830][ T7704] do_syscall_64+0xc6/0x1e0 [ 4882.169830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.169830][ T7704] [ 4882.172105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4882.172105][ T7704] netdev_get_by_index+0x5e/0x80 [ 4882.172105][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4882.172105][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4882.172105][ T7704] ip6_route_add+0x1c/0x140 [ 4882.172105][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4882.172105][ T7704] addrconf_add_dev+0xe2/0x170 [ 4882.172105][ T7704] inet6_addr_add+0x12f/0xa40 [ 4882.172105][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.172105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.172105][ T7704] netlink_rcv_skb+0x130/0x360 [ 4882.172105][ T7704] netlink_unicast+0x449/0x710 [ 4882.172105][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4882.172105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4882.172105][ T7704] ___sys_sendmsg+0xee/0x170 [ 4882.172105][ T7704] __sys_sendmsg+0xcd/0x170 [ 4882.172105][ T7704] do_syscall_64+0xc6/0x1e0 [ 4882.172105][ T7704] [ 4882.174348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4882.174348][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4882.174348][ T7704] ipv6_find_idev+0x102/0x170 [ 4882.174348][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4882.174348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.174348][ T7704] netlink_rcv_skb+0x130/0x360 [ 4882.174348][ T7704] netlink_unicast+0x449/0x710 [ 4882.174348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4882.174348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4882.174348][ T7704] ___sys_sendmsg+0xee/0x170 [ 4882.174348][ T7704] __sys_sendmsg+0xcd/0x170 [ 4882.174348][ T7704] do_syscall_64+0xc6/0x1e0 [ 4882.174348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.174348][ T7704] [ 4882.176093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4882.176093][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4882.176093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4882.176093][ T7704] ipv6_find_idev+0x102/0x170 [ 4882.176093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4882.176093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.176093][ T7704] netlink_rcv_skb+0x130/0x360 [ 4882.176093][ T7704] netlink_unicast+0x449/0x710 [ 4882.176093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4882.176093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4882.176093][ T7704] ___sys_sendmsg+0xee/0x170 [ 4882.176093][ T7704] __sys_sendmsg+0xcd/0x170 [ 4882.176093][ T7704] do_syscall_64+0xc6/0x1e0 [ 4882.176093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.176093][ T7704] [ 4892.214946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4892.215509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4892.215509][ T7704] netdev_get_by_index+0x5e/0x80 [ 4892.215509][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4892.215509][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4892.215509][ T7704] ip6_route_add+0x1c/0x140 [ 4892.215509][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4892.215509][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4892.215509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4892.215509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4892.215509][ T7704] netlink_rcv_skb+0x130/0x360 [ 4892.215509][ T7704] netlink_unicast+0x449/0x710 [ 4892.215509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4892.215509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4892.215509][ T7704] ___sys_sendmsg+0xee/0x170 [ 4892.215509][ T7704] __sys_sendmsg+0xcd/0x170 [ 4892.215509][ T7704] do_syscall_64+0xc6/0x1e0 [ 4892.215509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4892.215509][ T7704] [ 4892.217827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4892.217827][ T7704] netdev_get_by_index+0x5e/0x80 [ 4892.217827][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4892.217827][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4892.217827][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4892.217827][ T7704] ipv6_add_addr+0x411/0x2000 [ 4892.217827][ T7704] inet6_addr_add+0x30e/0xa40 [ 4892.217827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4892.217827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4892.217827][ T7704] netlink_rcv_skb+0x130/0x360 [ 4892.217827][ T7704] netlink_unicast+0x449/0x710 [ 4892.217827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4892.217827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4892.217827][ T7704] ___sys_sendmsg+0xee/0x170 [ 4892.217827][ T7704] __sys_sendmsg+0xcd/0x170 [ 4892.217827][ T7704] do_syscall_64+0xc6/0x1e0 [ 4892.217827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4892.217827][ T7704] [ 4892.220132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4892.220132][ T7704] netdev_get_by_index+0x5e/0x80 [ 4892.220132][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4892.220132][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4892.220132][ T7704] ip6_route_add+0x1c/0x140 [ 4892.220132][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4892.220132][ T7704] addrconf_add_dev+0xe2/0x170 [ 4892.220132][ T7704] inet6_addr_add+0x12f/0xa40 [ 4892.220132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4892.220132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4892.220132][ T7704] netlink_rcv_skb+0x130/0x360 [ 4892.220132][ T7704] netlink_unicast+0x449/0x710 [ 4892.220132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4892.220132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4892.220132][ T7704] ___sys_sendmsg+0xee/0x170 [ 4892.220132][ T7704] __sys_sendmsg+0xcd/0x170 [ 4892.220132][ T7704] do_syscall_64+0xc6/0x1e0 [ 4892.220132][ T7704] [ 4892.222395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4892.222395][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4892.222395][ T7704] ipv6_find_idev+0x102/0x170 [ 4892.222395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4892.222395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4892.222395][ T7704] netlink_rcv_skb+0x130/0x360 [ 4892.222395][ T7704] netlink_unicast+0x449/0x710 [ 4892.222395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4892.222395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4892.222395][ T7704] ___sys_sendmsg+0xee/0x170 [ 4892.222395][ T7704] __sys_sendmsg+0xcd/0x170 [ 4892.222395][ T7704] do_syscall_64+0xc6/0x1e0 [ 4892.222395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4892.222395][ T7704] [ 4892.224152][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4892.224152][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4892.224152][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4892.224152][ T7704] ipv6_find_idev+0x102/0x170 [ 4892.224152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4892.224152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4892.224152][ T7704] netlink_rcv_skb+0x130/0x360 [ 4892.224152][ T7704] netlink_unicast+0x449/0x710 [ 4892.224152][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4892.224152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4892.224152][ T7704] ___sys_sendmsg+0xee/0x170 [ 4892.224152][ T7704] __sys_sendmsg+0xcd/0x170 [ 4892.224152][ T7704] do_syscall_64+0xc6/0x1e0 [ 4892.224152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4892.224152][ T7704] [ 4902.262939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4902.263466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4902.263466][ T7704] netdev_get_by_index+0x5e/0x80 [ 4902.263466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4902.263466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4902.263466][ T7704] ip6_route_add+0x1c/0x140 [ 4902.263466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4902.263466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4902.263466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4902.263466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4902.263466][ T7704] netlink_rcv_skb+0x130/0x360 [ 4902.263466][ T7704] netlink_unicast+0x449/0x710 [ 4902.263466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4902.263466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4902.263466][ T7704] ___sys_sendmsg+0xee/0x170 [ 4902.263466][ T7704] __sys_sendmsg+0xcd/0x170 [ 4902.263466][ T7704] do_syscall_64+0xc6/0x1e0 [ 4902.263466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4902.263466][ T7704] [ 4902.265792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4902.265792][ T7704] netdev_get_by_index+0x5e/0x80 [ 4902.265792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4902.265792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4902.265792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4902.265792][ T7704] ipv6_add_addr+0x411/0x2000 [ 4902.265792][ T7704] inet6_addr_add+0x30e/0xa40 [ 4902.265792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4902.265792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4902.265792][ T7704] netlink_rcv_skb+0x130/0x360 [ 4902.265792][ T7704] netlink_unicast+0x449/0x710 [ 4902.265792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4902.265792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4902.265792][ T7704] ___sys_sendmsg+0xee/0x170 [ 4902.265792][ T7704] __sys_sendmsg+0xcd/0x170 [ 4902.265792][ T7704] do_syscall_64+0xc6/0x1e0 [ 4902.265792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4902.265792][ T7704] [ 4902.268080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4902.268080][ T7704] netdev_get_by_index+0x5e/0x80 [ 4902.268080][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4902.268080][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4902.268080][ T7704] ip6_route_add+0x1c/0x140 [ 4902.268080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4902.268080][ T7704] addrconf_add_dev+0xe2/0x170 [ 4902.268080][ T7704] inet6_addr_add+0x12f/0xa40 [ 4902.268080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4902.268080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4902.268080][ T7704] netlink_rcv_skb+0x130/0x360 [ 4902.268080][ T7704] netlink_unicast+0x449/0x710 [ 4902.268080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4902.268080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4902.268080][ T7704] ___sys_sendmsg+0xee/0x170 [ 4902.268080][ T7704] __sys_sendmsg+0xcd/0x170 [ 4902.268080][ T7704] do_syscall_64+0xc6/0x1e0 [ 4902.268080][ T7704] [ 4902.270304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4902.270304][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4902.270304][ T7704] ipv6_find_idev+0x102/0x170 [ 4902.270304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4902.270304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4902.270304][ T7704] netlink_rcv_skb+0x130/0x360 [ 4902.270304][ T7704] netlink_unicast+0x449/0x710 [ 4902.270304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4902.270304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4902.270304][ T7704] ___sys_sendmsg+0xee/0x170 [ 4902.270304][ T7704] __sys_sendmsg+0xcd/0x170 [ 4902.270304][ T7704] do_syscall_64+0xc6/0x1e0 [ 4902.270304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4902.270304][ T7704] [ 4902.272046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4902.272046][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4902.272046][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4902.272046][ T7704] ipv6_find_idev+0x102/0x170 [ 4902.272046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4902.272046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4902.272046][ T7704] netlink_rcv_skb+0x130/0x360 [ 4902.272046][ T7704] netlink_unicast+0x449/0x710 [ 4902.272046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4902.272046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4902.272046][ T7704] ___sys_sendmsg+0xee/0x170 [ 4902.272046][ T7704] __sys_sendmsg+0xcd/0x170 [ 4902.272046][ T7704] do_syscall_64+0xc6/0x1e0 [ 4902.272046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4902.272046][ T7704] [ 4912.470933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4912.471482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4912.471482][ T7704] netdev_get_by_index+0x5e/0x80 [ 4912.471482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4912.471482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4912.471482][ T7704] ip6_route_add+0x1c/0x140 [ 4912.471482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4912.471482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4912.471482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4912.471482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4912.471482][ T7704] netlink_rcv_skb+0x130/0x360 [ 4912.471482][ T7704] netlink_unicast+0x449/0x710 [ 4912.471482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4912.471482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4912.471482][ T7704] ___sys_sendmsg+0xee/0x170 [ 4912.471482][ T7704] __sys_sendmsg+0xcd/0x170 [ 4912.471482][ T7704] do_syscall_64+0xc6/0x1e0 [ 4912.471482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4912.471482][ T7704] [ 4912.473750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4912.473750][ T7704] netdev_get_by_index+0x5e/0x80 [ 4912.473750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4912.473750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4912.473750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4912.473750][ T7704] ipv6_add_addr+0x411/0x2000 [ 4912.473750][ T7704] inet6_addr_add+0x30e/0xa40 [ 4912.473750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4912.473750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4912.473750][ T7704] netlink_rcv_skb+0x130/0x360 [ 4912.473750][ T7704] netlink_unicast+0x449/0x710 [ 4912.473750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4912.473750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4912.473750][ T7704] ___sys_sendmsg+0xee/0x170 [ 4912.473750][ T7704] __sys_sendmsg+0xcd/0x170 [ 4912.473750][ T7704] do_syscall_64+0xc6/0x1e0 [ 4912.473750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4912.473750][ T7704] [ 4912.476009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4912.476009][ T7704] netdev_get_by_index+0x5e/0x80 [ 4912.476009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4912.476009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4912.476009][ T7704] ip6_route_add+0x1c/0x140 [ 4912.476009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4912.476009][ T7704] addrconf_add_dev+0xe2/0x170 [ 4912.476009][ T7704] inet6_addr_add+0x12f/0xa40 [ 4912.476009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4912.476009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4912.476009][ T7704] netlink_rcv_skb+0x130/0x360 [ 4912.476009][ T7704] netlink_unicast+0x449/0x710 [ 4912.476009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4912.476009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4912.476009][ T7704] ___sys_sendmsg+0xee/0x170 [ 4912.476009][ T7704] __sys_sendmsg+0xcd/0x170 [ 4912.476009][ T7704] do_syscall_64+0xc6/0x1e0 [ 4912.476009][ T7704] [ 4912.478225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4912.478225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4912.478225][ T7704] ipv6_find_idev+0x102/0x170 [ 4912.478225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4912.478225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4912.478225][ T7704] netlink_rcv_skb+0x130/0x360 [ 4912.478225][ T7704] netlink_unicast+0x449/0x710 [ 4912.478225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4912.478225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4912.478225][ T7704] ___sys_sendmsg+0xee/0x170 [ 4912.478225][ T7704] __sys_sendmsg+0xcd/0x170 [ 4912.478225][ T7704] do_syscall_64+0xc6/0x1e0 [ 4912.478225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4912.478225][ T7704] [ 4912.479976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4912.479976][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4912.479976][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4912.479976][ T7704] ipv6_find_idev+0x102/0x170 [ 4912.479976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4912.479976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4912.479976][ T7704] netlink_rcv_skb+0x130/0x360 [ 4912.479976][ T7704] netlink_unicast+0x449/0x710 [ 4912.479976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4912.479976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4912.479976][ T7704] ___sys_sendmsg+0xee/0x170 [ 4912.479976][ T7704] __sys_sendmsg+0xcd/0x170 [ 4912.479976][ T7704] do_syscall_64+0xc6/0x1e0 [ 4912.479976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4912.479976][ T7704] [ 4922.734972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4922.735485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4922.735485][ T7704] netdev_get_by_index+0x5e/0x80 [ 4922.735485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4922.735485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4922.735485][ T7704] ip6_route_add+0x1c/0x140 [ 4922.735485][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4922.735485][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4922.735485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4922.735485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4922.735485][ T7704] netlink_rcv_skb+0x130/0x360 [ 4922.735485][ T7704] netlink_unicast+0x449/0x710 [ 4922.735485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4922.735485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4922.735485][ T7704] ___sys_sendmsg+0xee/0x170 [ 4922.735485][ T7704] __sys_sendmsg+0xcd/0x170 [ 4922.735485][ T7704] do_syscall_64+0xc6/0x1e0 [ 4922.735485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4922.735485][ T7704] [ 4922.737932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4922.737932][ T7704] netdev_get_by_index+0x5e/0x80 [ 4922.737932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4922.737932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4922.737932][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4922.737932][ T7704] ipv6_add_addr+0x411/0x2000 [ 4922.737932][ T7704] inet6_addr_add+0x30e/0xa40 [ 4922.737932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4922.737932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4922.737932][ T7704] netlink_rcv_skb+0x130/0x360 [ 4922.737932][ T7704] netlink_unicast+0x449/0x710 [ 4922.737932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4922.737932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4922.737932][ T7704] ___sys_sendmsg+0xee/0x170 [ 4922.737932][ T7704] __sys_sendmsg+0xcd/0x170 [ 4922.737932][ T7704] do_syscall_64+0xc6/0x1e0 [ 4922.737932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4922.737932][ T7704] [ 4922.740206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4922.740206][ T7704] netdev_get_by_index+0x5e/0x80 [ 4922.740206][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4922.740206][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4922.740206][ T7704] ip6_route_add+0x1c/0x140 [ 4922.740206][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4922.740206][ T7704] addrconf_add_dev+0xe2/0x170 [ 4922.740206][ T7704] inet6_addr_add+0x12f/0xa40 [ 4922.740206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4922.740206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4922.740206][ T7704] netlink_rcv_skb+0x130/0x360 [ 4922.740206][ T7704] netlink_unicast+0x449/0x710 [ 4922.740206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4922.740206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4922.740206][ T7704] ___sys_sendmsg+0xee/0x170 [ 4922.740206][ T7704] __sys_sendmsg+0xcd/0x170 [ 4922.740206][ T7704] do_syscall_64+0xc6/0x1e0 [ 4922.740206][ T7704] [ 4922.742421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4922.742421][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4922.742421][ T7704] ipv6_find_idev+0x102/0x170 [ 4922.742421][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4922.742421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4922.742421][ T7704] netlink_rcv_skb+0x130/0x360 [ 4922.742421][ T7704] netlink_unicast+0x449/0x710 [ 4922.742421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4922.742421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4922.742421][ T7704] ___sys_sendmsg+0xee/0x170 [ 4922.742421][ T7704] __sys_sendmsg+0xcd/0x170 [ 4922.742421][ T7704] do_syscall_64+0xc6/0x1e0 [ 4922.742421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4922.742421][ T7704] [ 4922.744149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4922.744149][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4922.744149][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4922.744149][ T7704] ipv6_find_idev+0x102/0x170 [ 4922.744149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4922.744149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4922.744149][ T7704] netlink_rcv_skb+0x130/0x360 [ 4922.744149][ T7704] netlink_unicast+0x449/0x710 [ 4922.744149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4922.744149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4922.744149][ T7704] ___sys_sendmsg+0xee/0x170 [ 4922.744149][ T7704] __sys_sendmsg+0xcd/0x170 [ 4922.744149][ T7704] do_syscall_64+0xc6/0x1e0 [ 4922.744149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4922.744149][ T7704] [ 4932.982986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4932.983612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4932.983612][ T7704] netdev_get_by_index+0x5e/0x80 [ 4932.983612][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4932.983612][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4932.983612][ T7704] ip6_route_add+0x1c/0x140 [ 4932.983612][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4932.983612][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4932.983612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4932.983612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4932.983612][ T7704] netlink_rcv_skb+0x130/0x360 [ 4932.983612][ T7704] netlink_unicast+0x449/0x710 [ 4932.983612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4932.983612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4932.983612][ T7704] ___sys_sendmsg+0xee/0x170 [ 4932.983612][ T7704] __sys_sendmsg+0xcd/0x170 [ 4932.983612][ T7704] do_syscall_64+0xc6/0x1e0 [ 4932.983612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4932.983612][ T7704] [ 4932.985895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4932.985895][ T7704] netdev_get_by_index+0x5e/0x80 [ 4932.985895][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4932.985895][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4932.985895][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4932.985895][ T7704] ipv6_add_addr+0x411/0x2000 [ 4932.985895][ T7704] inet6_addr_add+0x30e/0xa40 [ 4932.985895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4932.985895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4932.985895][ T7704] netlink_rcv_skb+0x130/0x360 [ 4932.985895][ T7704] netlink_unicast+0x449/0x710 [ 4932.985895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4932.985895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4932.985895][ T7704] ___sys_sendmsg+0xee/0x170 [ 4932.985895][ T7704] __sys_sendmsg+0xcd/0x170 [ 4932.985895][ T7704] do_syscall_64+0xc6/0x1e0 [ 4932.985895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4932.985895][ T7704] [ 4932.988146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4932.988146][ T7704] netdev_get_by_index+0x5e/0x80 [ 4932.988146][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4932.988146][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4932.988146][ T7704] ip6_route_add+0x1c/0x140 [ 4932.988146][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4932.988146][ T7704] addrconf_add_dev+0xe2/0x170 [ 4932.988146][ T7704] inet6_addr_add+0x12f/0xa40 [ 4932.988146][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4932.988146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4932.988146][ T7704] netlink_rcv_skb+0x130/0x360 [ 4932.988146][ T7704] netlink_unicast+0x449/0x710 [ 4932.988146][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4932.988146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4932.988146][ T7704] ___sys_sendmsg+0xee/0x170 [ 4932.988146][ T7704] __sys_sendmsg+0xcd/0x170 [ 4932.988146][ T7704] do_syscall_64+0xc6/0x1e0 [ 4932.988146][ T7704] [ 4932.990345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4932.990345][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4932.990345][ T7704] ipv6_find_idev+0x102/0x170 [ 4932.990345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4932.990345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4932.990345][ T7704] netlink_rcv_skb+0x130/0x360 [ 4932.990345][ T7704] netlink_unicast+0x449/0x710 [ 4932.990345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4932.990345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4932.990345][ T7704] ___sys_sendmsg+0xee/0x170 [ 4932.990345][ T7704] __sys_sendmsg+0xcd/0x170 [ 4932.990345][ T7704] do_syscall_64+0xc6/0x1e0 [ 4932.990345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4932.990345][ T7704] [ 4932.992045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4932.992045][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4932.992045][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4932.992045][ T7704] ipv6_find_idev+0x102/0x170 [ 4932.992045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4932.992045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4932.992045][ T7704] netlink_rcv_skb+0x130/0x360 [ 4932.992045][ T7704] netlink_unicast+0x449/0x710 [ 4932.992045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4932.992045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4932.992045][ T7704] ___sys_sendmsg+0xee/0x170 [ 4932.992045][ T7704] __sys_sendmsg+0xcd/0x170 [ 4932.992045][ T7704] do_syscall_64+0xc6/0x1e0 [ 4932.992045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4932.992045][ T7704] [ 4943.246935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4943.247440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4943.247440][ T7704] netdev_get_by_index+0x5e/0x80 [ 4943.247440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4943.247440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4943.247440][ T7704] ip6_route_add+0x1c/0x140 [ 4943.247440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4943.247440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4943.247440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.247440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.247440][ T7704] netlink_rcv_skb+0x130/0x360 [ 4943.247440][ T7704] netlink_unicast+0x449/0x710 [ 4943.247440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4943.247440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4943.247440][ T7704] ___sys_sendmsg+0xee/0x170 [ 4943.247440][ T7704] __sys_sendmsg+0xcd/0x170 [ 4943.247440][ T7704] do_syscall_64+0xc6/0x1e0 [ 4943.247440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.247440][ T7704] [ 4943.249676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4943.249676][ T7704] netdev_get_by_index+0x5e/0x80 [ 4943.249676][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4943.249676][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4943.249676][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4943.249676][ T7704] ipv6_add_addr+0x411/0x2000 [ 4943.249676][ T7704] inet6_addr_add+0x30e/0xa40 [ 4943.249676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.249676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.249676][ T7704] netlink_rcv_skb+0x130/0x360 [ 4943.249676][ T7704] netlink_unicast+0x449/0x710 [ 4943.249676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4943.249676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4943.249676][ T7704] ___sys_sendmsg+0xee/0x170 [ 4943.249676][ T7704] __sys_sendmsg+0xcd/0x170 [ 4943.249676][ T7704] do_syscall_64+0xc6/0x1e0 [ 4943.249676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.249676][ T7704] [ 4943.251890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4943.251890][ T7704] netdev_get_by_index+0x5e/0x80 [ 4943.251890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4943.251890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4943.251890][ T7704] ip6_route_add+0x1c/0x140 [ 4943.251890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4943.251890][ T7704] addrconf_add_dev+0xe2/0x170 [ 4943.251890][ T7704] inet6_addr_add+0x12f/0xa40 [ 4943.251890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.251890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.251890][ T7704] netlink_rcv_skb+0x130/0x360 [ 4943.251890][ T7704] netlink_unicast+0x449/0x710 [ 4943.251890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4943.251890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4943.251890][ T7704] ___sys_sendmsg+0xee/0x170 [ 4943.251890][ T7704] __sys_sendmsg+0xcd/0x170 [ 4943.251890][ T7704] do_syscall_64+0xc6/0x1e0 [ 4943.251890][ T7704] [ 4943.254099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4943.254099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4943.254099][ T7704] ipv6_find_idev+0x102/0x170 [ 4943.254099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4943.254099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.254099][ T7704] netlink_rcv_skb+0x130/0x360 [ 4943.254099][ T7704] netlink_unicast+0x449/0x710 [ 4943.254099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4943.254099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4943.254099][ T7704] ___sys_sendmsg+0xee/0x170 [ 4943.254099][ T7704] __sys_sendmsg+0xcd/0x170 [ 4943.254099][ T7704] do_syscall_64+0xc6/0x1e0 [ 4943.254099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.254099][ T7704] [ 4943.255906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4943.255906][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4943.255906][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4943.255906][ T7704] ipv6_find_idev+0x102/0x170 [ 4943.255906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4943.255906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.255906][ T7704] netlink_rcv_skb+0x130/0x360 [ 4943.255906][ T7704] netlink_unicast+0x449/0x710 [ 4943.255906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4943.255906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4943.255906][ T7704] ___sys_sendmsg+0xee/0x170 [ 4943.255906][ T7704] __sys_sendmsg+0xcd/0x170 [ 4943.255906][ T7704] do_syscall_64+0xc6/0x1e0 [ 4943.255906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.255906][ T7704] [ 4953.350938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4953.351400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4953.351400][ T7704] netdev_get_by_index+0x5e/0x80 [ 4953.351400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4953.351400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4953.351400][ T7704] ip6_route_add+0x1c/0x140 [ 4953.351400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4953.351400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4953.351400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4953.351400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4953.351400][ T7704] netlink_rcv_skb+0x130/0x360 [ 4953.351400][ T7704] netlink_unicast+0x449/0x710 [ 4953.351400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4953.351400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4953.351400][ T7704] ___sys_sendmsg+0xee/0x170 [ 4953.351400][ T7704] __sys_sendmsg+0xcd/0x170 [ 4953.351400][ T7704] do_syscall_64+0xc6/0x1e0 [ 4953.351400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4953.351400][ T7704] [ 4953.353657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4953.353657][ T7704] netdev_get_by_index+0x5e/0x80 [ 4953.353657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4953.353657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4953.353657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4953.353657][ T7704] ipv6_add_addr+0x411/0x2000 [ 4953.353657][ T7704] inet6_addr_add+0x30e/0xa40 [ 4953.353657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4953.353657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4953.353657][ T7704] netlink_rcv_skb+0x130/0x360 [ 4953.353657][ T7704] netlink_unicast+0x449/0x710 [ 4953.353657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4953.353657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4953.353657][ T7704] ___sys_sendmsg+0xee/0x170 [ 4953.353657][ T7704] __sys_sendmsg+0xcd/0x170 [ 4953.353657][ T7704] do_syscall_64+0xc6/0x1e0 [ 4953.353657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4953.353657][ T7704] [ 4953.355894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4953.355894][ T7704] netdev_get_by_index+0x5e/0x80 [ 4953.355894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4953.355894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4953.355894][ T7704] ip6_route_add+0x1c/0x140 [ 4953.355894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4953.355894][ T7704] addrconf_add_dev+0xe2/0x170 [ 4953.355894][ T7704] inet6_addr_add+0x12f/0xa40 [ 4953.355894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4953.355894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4953.355894][ T7704] netlink_rcv_skb+0x130/0x360 [ 4953.355894][ T7704] netlink_unicast+0x449/0x710 [ 4953.355894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4953.355894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4953.355894][ T7704] ___sys_sendmsg+0xee/0x170 [ 4953.355894][ T7704] __sys_sendmsg+0xcd/0x170 [ 4953.355894][ T7704] do_syscall_64+0xc6/0x1e0 [ 4953.355894][ T7704] [ 4953.358105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4953.358105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4953.358105][ T7704] ipv6_find_idev+0x102/0x170 [ 4953.358105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4953.358105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4953.358105][ T7704] netlink_rcv_skb+0x130/0x360 [ 4953.358105][ T7704] netlink_unicast+0x449/0x710 [ 4953.358105][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4953.358105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4953.358105][ T7704] ___sys_sendmsg+0xee/0x170 [ 4953.358105][ T7704] __sys_sendmsg+0xcd/0x170 [ 4953.358105][ T7704] do_syscall_64+0xc6/0x1e0 [ 4953.358105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4953.358105][ T7704] [ 4953.359936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4953.359936][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4953.359936][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4953.359936][ T7704] ipv6_find_idev+0x102/0x170 [ 4953.359936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4953.359936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4953.359936][ T7704] netlink_rcv_skb+0x130/0x360 [ 4953.359936][ T7704] netlink_unicast+0x449/0x710 [ 4953.359936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4953.359936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4953.359936][ T7704] ___sys_sendmsg+0xee/0x170 [ 4953.359936][ T7704] __sys_sendmsg+0xcd/0x170 [ 4953.359936][ T7704] do_syscall_64+0xc6/0x1e0 [ 4953.359936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4953.359936][ T7704] [ 4963.599001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4963.599504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4963.599504][ T7704] netdev_get_by_index+0x5e/0x80 [ 4963.599504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4963.599504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4963.599504][ T7704] ip6_route_add+0x1c/0x140 [ 4963.599504][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4963.599504][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4963.599504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4963.599504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4963.599504][ T7704] netlink_rcv_skb+0x130/0x360 [ 4963.599504][ T7704] netlink_unicast+0x449/0x710 [ 4963.599504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4963.599504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4963.599504][ T7704] ___sys_sendmsg+0xee/0x170 [ 4963.599504][ T7704] __sys_sendmsg+0xcd/0x170 [ 4963.599504][ T7704] do_syscall_64+0xc6/0x1e0 [ 4963.599504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4963.599504][ T7704] [ 4963.601810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4963.601810][ T7704] netdev_get_by_index+0x5e/0x80 [ 4963.601810][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4963.601810][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4963.601810][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4963.601810][ T7704] ipv6_add_addr+0x411/0x2000 [ 4963.601810][ T7704] inet6_addr_add+0x30e/0xa40 [ 4963.601810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4963.601810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4963.601810][ T7704] netlink_rcv_skb+0x130/0x360 [ 4963.601810][ T7704] netlink_unicast+0x449/0x710 [ 4963.601810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4963.601810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4963.601810][ T7704] ___sys_sendmsg+0xee/0x170 [ 4963.601810][ T7704] __sys_sendmsg+0xcd/0x170 [ 4963.601810][ T7704] do_syscall_64+0xc6/0x1e0 [ 4963.601810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4963.601810][ T7704] [ 4963.604052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4963.604052][ T7704] netdev_get_by_index+0x5e/0x80 [ 4963.604052][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4963.604052][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4963.604052][ T7704] ip6_route_add+0x1c/0x140 [ 4963.604052][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4963.604052][ T7704] addrconf_add_dev+0xe2/0x170 [ 4963.604052][ T7704] inet6_addr_add+0x12f/0xa40 [ 4963.604052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4963.604052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4963.604052][ T7704] netlink_rcv_skb+0x130/0x360 [ 4963.604052][ T7704] netlink_unicast+0x449/0x710 [ 4963.604052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4963.604052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4963.604052][ T7704] ___sys_sendmsg+0xee/0x170 [ 4963.604052][ T7704] __sys_sendmsg+0xcd/0x170 [ 4963.604052][ T7704] do_syscall_64+0xc6/0x1e0 [ 4963.604052][ T7704] [ 4963.606263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4963.606263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4963.606263][ T7704] ipv6_find_idev+0x102/0x170 [ 4963.606263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4963.606263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4963.606263][ T7704] netlink_rcv_skb+0x130/0x360 [ 4963.606263][ T7704] netlink_unicast+0x449/0x710 [ 4963.606263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4963.606263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4963.606263][ T7704] ___sys_sendmsg+0xee/0x170 [ 4963.606263][ T7704] __sys_sendmsg+0xcd/0x170 [ 4963.606263][ T7704] do_syscall_64+0xc6/0x1e0 [ 4963.606263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4963.606263][ T7704] [ 4963.607980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4963.607980][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4963.607980][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4963.607980][ T7704] ipv6_find_idev+0x102/0x170 [ 4963.607980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4963.607980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4963.607980][ T7704] netlink_rcv_skb+0x130/0x360 [ 4963.607980][ T7704] netlink_unicast+0x449/0x710 [ 4963.607980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4963.607980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4963.607980][ T7704] ___sys_sendmsg+0xee/0x170 [ 4963.607980][ T7704] __sys_sendmsg+0xcd/0x170 [ 4963.607980][ T7704] do_syscall_64+0xc6/0x1e0 [ 4963.607980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4963.607980][ T7704] [ 4973.846859][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4973.847364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4973.847364][ T7704] netdev_get_by_index+0x5e/0x80 [ 4973.847364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4973.847364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4973.847364][ T7704] ip6_route_add+0x1c/0x140 [ 4973.847364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4973.847364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4973.847364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4973.847364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4973.847364][ T7704] netlink_rcv_skb+0x130/0x360 [ 4973.847364][ T7704] netlink_unicast+0x449/0x710 [ 4973.847364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4973.847364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4973.847364][ T7704] ___sys_sendmsg+0xee/0x170 [ 4973.847364][ T7704] __sys_sendmsg+0xcd/0x170 [ 4973.847364][ T7704] do_syscall_64+0xc6/0x1e0 [ 4973.847364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4973.847364][ T7704] [ 4973.849656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4973.849656][ T7704] netdev_get_by_index+0x5e/0x80 [ 4973.849656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4973.849656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4973.849656][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4973.849656][ T7704] ipv6_add_addr+0x411/0x2000 [ 4973.849656][ T7704] inet6_addr_add+0x30e/0xa40 [ 4973.849656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4973.849656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4973.849656][ T7704] netlink_rcv_skb+0x130/0x360 [ 4973.849656][ T7704] netlink_unicast+0x449/0x710 [ 4973.849656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4973.849656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4973.849656][ T7704] ___sys_sendmsg+0xee/0x170 [ 4973.849656][ T7704] __sys_sendmsg+0xcd/0x170 [ 4973.849656][ T7704] do_syscall_64+0xc6/0x1e0 [ 4973.849656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4973.849656][ T7704] [ 4973.851894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4973.851894][ T7704] netdev_get_by_index+0x5e/0x80 [ 4973.851894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4973.851894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4973.851894][ T7704] ip6_route_add+0x1c/0x140 [ 4973.851894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4973.851894][ T7704] addrconf_add_dev+0xe2/0x170 [ 4973.851894][ T7704] inet6_addr_add+0x12f/0xa40 [ 4973.851894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4973.851894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4973.851894][ T7704] netlink_rcv_skb+0x130/0x360 [ 4973.851894][ T7704] netlink_unicast+0x449/0x710 [ 4973.851894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4973.851894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4973.851894][ T7704] ___sys_sendmsg+0xee/0x170 [ 4973.851894][ T7704] __sys_sendmsg+0xcd/0x170 [ 4973.851894][ T7704] do_syscall_64+0xc6/0x1e0 [ 4973.851894][ T7704] [ 4973.854085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4973.854085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4973.854085][ T7704] ipv6_find_idev+0x102/0x170 [ 4973.854085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4973.854085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4973.854085][ T7704] netlink_rcv_skb+0x130/0x360 [ 4973.854085][ T7704] netlink_unicast+0x449/0x710 [ 4973.854085][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4973.854085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4973.854085][ T7704] ___sys_sendmsg+0xee/0x170 [ 4973.854085][ T7704] __sys_sendmsg+0xcd/0x170 [ 4973.854085][ T7704] do_syscall_64+0xc6/0x1e0 [ 4973.854085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4973.854085][ T7704] [ 4973.855807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4973.855807][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4973.855807][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4973.855807][ T7704] ipv6_find_idev+0x102/0x170 [ 4973.855807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4973.855807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4973.855807][ T7704] netlink_rcv_skb+0x130/0x360 [ 4973.855807][ T7704] netlink_unicast+0x449/0x710 [ 4973.855807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4973.855807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4973.855807][ T7704] ___sys_sendmsg+0xee/0x170 [ 4973.855807][ T7704] __sys_sendmsg+0xcd/0x170 [ 4973.855807][ T7704] do_syscall_64+0xc6/0x1e0 [ 4973.855807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4973.855807][ T7704] [ 4984.094947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4984.095482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4984.095482][ T7704] netdev_get_by_index+0x5e/0x80 [ 4984.095482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4984.095482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4984.095482][ T7704] ip6_route_add+0x1c/0x140 [ 4984.095482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4984.095482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4984.095482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.095482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.095482][ T7704] netlink_rcv_skb+0x130/0x360 [ 4984.095482][ T7704] netlink_unicast+0x449/0x710 [ 4984.095482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4984.095482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4984.095482][ T7704] ___sys_sendmsg+0xee/0x170 [ 4984.095482][ T7704] __sys_sendmsg+0xcd/0x170 [ 4984.095482][ T7704] do_syscall_64+0xc6/0x1e0 [ 4984.095482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.095482][ T7704] [ 4984.097748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4984.097748][ T7704] netdev_get_by_index+0x5e/0x80 [ 4984.097748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4984.097748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4984.097748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4984.097748][ T7704] ipv6_add_addr+0x411/0x2000 [ 4984.097748][ T7704] inet6_addr_add+0x30e/0xa40 [ 4984.097748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.097748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.097748][ T7704] netlink_rcv_skb+0x130/0x360 [ 4984.097748][ T7704] netlink_unicast+0x449/0x710 [ 4984.097748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4984.097748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4984.097748][ T7704] ___sys_sendmsg+0xee/0x170 [ 4984.097748][ T7704] __sys_sendmsg+0xcd/0x170 [ 4984.097748][ T7704] do_syscall_64+0xc6/0x1e0 [ 4984.097748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.097748][ T7704] [ 4984.100000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4984.100000][ T7704] netdev_get_by_index+0x5e/0x80 [ 4984.100000][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4984.100000][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4984.100000][ T7704] ip6_route_add+0x1c/0x140 [ 4984.100000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4984.100000][ T7704] addrconf_add_dev+0xe2/0x170 [ 4984.100000][ T7704] inet6_addr_add+0x12f/0xa40 [ 4984.100000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.100000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.100000][ T7704] netlink_rcv_skb+0x130/0x360 [ 4984.100000][ T7704] netlink_unicast+0x449/0x710 [ 4984.100000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4984.100000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4984.100000][ T7704] ___sys_sendmsg+0xee/0x170 [ 4984.100000][ T7704] __sys_sendmsg+0xcd/0x170 [ 4984.100000][ T7704] do_syscall_64+0xc6/0x1e0 [ 4984.100000][ T7704] [ 4984.102223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4984.102223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4984.102223][ T7704] ipv6_find_idev+0x102/0x170 [ 4984.102223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4984.102223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.102223][ T7704] netlink_rcv_skb+0x130/0x360 [ 4984.102223][ T7704] netlink_unicast+0x449/0x710 [ 4984.102223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4984.102223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4984.102223][ T7704] ___sys_sendmsg+0xee/0x170 [ 4984.102223][ T7704] __sys_sendmsg+0xcd/0x170 [ 4984.102223][ T7704] do_syscall_64+0xc6/0x1e0 [ 4984.102223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.102223][ T7704] [ 4984.103944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4984.103944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4984.103944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4984.103944][ T7704] ipv6_find_idev+0x102/0x170 [ 4984.103944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4984.103944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.103944][ T7704] netlink_rcv_skb+0x130/0x360 [ 4984.103944][ T7704] netlink_unicast+0x449/0x710 [ 4984.103944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4984.103944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4984.103944][ T7704] ___sys_sendmsg+0xee/0x170 [ 4984.103944][ T7704] __sys_sendmsg+0xcd/0x170 [ 4984.103944][ T7704] do_syscall_64+0xc6/0x1e0 [ 4984.103944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.103944][ T7704] [ 4994.342883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4994.343419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4994.343419][ T7704] netdev_get_by_index+0x5e/0x80 [ 4994.343419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4994.343419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4994.343419][ T7704] ip6_route_add+0x1c/0x140 [ 4994.343419][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4994.343419][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4994.343419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4994.343419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4994.343419][ T7704] netlink_rcv_skb+0x130/0x360 [ 4994.343419][ T7704] netlink_unicast+0x449/0x710 [ 4994.343419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4994.343419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4994.343419][ T7704] ___sys_sendmsg+0xee/0x170 [ 4994.343419][ T7704] __sys_sendmsg+0xcd/0x170 [ 4994.343419][ T7704] do_syscall_64+0xc6/0x1e0 [ 4994.343419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4994.343419][ T7704] [ 4994.345717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4994.345717][ T7704] netdev_get_by_index+0x5e/0x80 [ 4994.345717][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4994.345717][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4994.345717][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4994.345717][ T7704] ipv6_add_addr+0x411/0x2000 [ 4994.345717][ T7704] inet6_addr_add+0x30e/0xa40 [ 4994.345717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4994.345717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4994.345717][ T7704] netlink_rcv_skb+0x130/0x360 [ 4994.345717][ T7704] netlink_unicast+0x449/0x710 [ 4994.345717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4994.345717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4994.345717][ T7704] ___sys_sendmsg+0xee/0x170 [ 4994.345717][ T7704] __sys_sendmsg+0xcd/0x170 [ 4994.345717][ T7704] do_syscall_64+0xc6/0x1e0 [ 4994.345717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4994.345717][ T7704] [ 4994.347999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4994.347999][ T7704] netdev_get_by_index+0x5e/0x80 [ 4994.347999][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4994.347999][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4994.347999][ T7704] ip6_route_add+0x1c/0x140 [ 4994.347999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4994.347999][ T7704] addrconf_add_dev+0xe2/0x170 [ 4994.347999][ T7704] inet6_addr_add+0x12f/0xa40 [ 4994.347999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4994.347999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4994.347999][ T7704] netlink_rcv_skb+0x130/0x360 [ 4994.347999][ T7704] netlink_unicast+0x449/0x710 [ 4994.347999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4994.347999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4994.347999][ T7704] ___sys_sendmsg+0xee/0x170 [ 4994.347999][ T7704] __sys_sendmsg+0xcd/0x170 [ 4994.347999][ T7704] do_syscall_64+0xc6/0x1e0 [ 4994.347999][ T7704] [ 4994.350235][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4994.350235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4994.350235][ T7704] ipv6_find_idev+0x102/0x170 [ 4994.350235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4994.350235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4994.350235][ T7704] netlink_rcv_skb+0x130/0x360 [ 4994.350235][ T7704] netlink_unicast+0x449/0x710 [ 4994.350235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4994.350235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4994.350235][ T7704] ___sys_sendmsg+0xee/0x170 [ 4994.350235][ T7704] __sys_sendmsg+0xcd/0x170 [ 4994.350235][ T7704] do_syscall_64+0xc6/0x1e0 [ 4994.350235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4994.350235][ T7704] [ 4994.351975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 4994.351975][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4994.351975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4994.351975][ T7704] ipv6_find_idev+0x102/0x170 [ 4994.351975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4994.351975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4994.351975][ T7704] netlink_rcv_skb+0x130/0x360 [ 4994.351975][ T7704] netlink_unicast+0x449/0x710 [ 4994.351975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4994.351975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4994.351975][ T7704] ___sys_sendmsg+0xee/0x170 [ 4994.351975][ T7704] __sys_sendmsg+0xcd/0x170 [ 4994.351975][ T7704] do_syscall_64+0xc6/0x1e0 [ 4994.351975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4994.351975][ T7704] [ 5004.510953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5004.511489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5004.511489][ T7704] netdev_get_by_index+0x5e/0x80 [ 5004.511489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5004.511489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5004.511489][ T7704] ip6_route_add+0x1c/0x140 [ 5004.511489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5004.511489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5004.511489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5004.511489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5004.511489][ T7704] netlink_rcv_skb+0x130/0x360 [ 5004.511489][ T7704] netlink_unicast+0x449/0x710 [ 5004.511489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5004.511489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5004.511489][ T7704] ___sys_sendmsg+0xee/0x170 [ 5004.511489][ T7704] __sys_sendmsg+0xcd/0x170 [ 5004.511489][ T7704] do_syscall_64+0xc6/0x1e0 [ 5004.511489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5004.511489][ T7704] [ 5004.513947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5004.513947][ T7704] netdev_get_by_index+0x5e/0x80 [ 5004.513947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5004.513947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5004.513947][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5004.513947][ T7704] ipv6_add_addr+0x411/0x2000 [ 5004.513947][ T7704] inet6_addr_add+0x30e/0xa40 [ 5004.513947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5004.513947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5004.513947][ T7704] netlink_rcv_skb+0x130/0x360 [ 5004.513947][ T7704] netlink_unicast+0x449/0x710 [ 5004.513947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5004.513947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5004.513947][ T7704] ___sys_sendmsg+0xee/0x170 [ 5004.513947][ T7704] __sys_sendmsg+0xcd/0x170 [ 5004.513947][ T7704] do_syscall_64+0xc6/0x1e0 [ 5004.513947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5004.513947][ T7704] [ 5004.516224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5004.516224][ T7704] netdev_get_by_index+0x5e/0x80 [ 5004.516224][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5004.516224][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5004.516224][ T7704] ip6_route_add+0x1c/0x140 [ 5004.516224][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5004.516224][ T7704] addrconf_add_dev+0xe2/0x170 [ 5004.516224][ T7704] inet6_addr_add+0x12f/0xa40 [ 5004.516224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5004.516224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5004.516224][ T7704] netlink_rcv_skb+0x130/0x360 [ 5004.516224][ T7704] netlink_unicast+0x449/0x710 [ 5004.516224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5004.516224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5004.516224][ T7704] ___sys_sendmsg+0xee/0x170 [ 5004.516224][ T7704] __sys_sendmsg+0xcd/0x170 [ 5004.516224][ T7704] do_syscall_64+0xc6/0x1e0 [ 5004.516224][ T7704] [ 5004.518485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5004.518485][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5004.518485][ T7704] ipv6_find_idev+0x102/0x170 [ 5004.518485][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5004.518485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5004.518485][ T7704] netlink_rcv_skb+0x130/0x360 [ 5004.518485][ T7704] netlink_unicast+0x449/0x710 [ 5004.518485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5004.518485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5004.518485][ T7704] ___sys_sendmsg+0xee/0x170 [ 5004.518485][ T7704] __sys_sendmsg+0xcd/0x170 [ 5004.518485][ T7704] do_syscall_64+0xc6/0x1e0 [ 5004.518485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5004.518485][ T7704] [ 5004.520230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5004.520230][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5004.520230][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5004.520230][ T7704] ipv6_find_idev+0x102/0x170 [ 5004.520230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5004.520230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5004.520230][ T7704] netlink_rcv_skb+0x130/0x360 [ 5004.520230][ T7704] netlink_unicast+0x449/0x710 [ 5004.520230][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5004.520230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5004.520230][ T7704] ___sys_sendmsg+0xee/0x170 [ 5004.520230][ T7704] __sys_sendmsg+0xcd/0x170 [ 5004.520230][ T7704] do_syscall_64+0xc6/0x1e0 [ 5004.520230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5004.520230][ T7704] [ 5014.839000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5014.839539][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5014.839539][ T7704] netdev_get_by_index+0x5e/0x80 [ 5014.839539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5014.839539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5014.839539][ T7704] ip6_route_add+0x1c/0x140 [ 5014.839539][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5014.839539][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5014.839539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5014.839539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5014.839539][ T7704] netlink_rcv_skb+0x130/0x360 [ 5014.839539][ T7704] netlink_unicast+0x449/0x710 [ 5014.839539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5014.839539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5014.839539][ T7704] ___sys_sendmsg+0xee/0x170 [ 5014.839539][ T7704] __sys_sendmsg+0xcd/0x170 [ 5014.839539][ T7704] do_syscall_64+0xc6/0x1e0 [ 5014.839539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5014.839539][ T7704] [ 5014.841997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5014.841997][ T7704] netdev_get_by_index+0x5e/0x80 [ 5014.841997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5014.841997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5014.841997][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5014.841997][ T7704] ipv6_add_addr+0x411/0x2000 [ 5014.841997][ T7704] inet6_addr_add+0x30e/0xa40 [ 5014.841997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5014.841997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5014.841997][ T7704] netlink_rcv_skb+0x130/0x360 [ 5014.841997][ T7704] netlink_unicast+0x449/0x710 [ 5014.841997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5014.841997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5014.841997][ T7704] ___sys_sendmsg+0xee/0x170 [ 5014.841997][ T7704] __sys_sendmsg+0xcd/0x170 [ 5014.841997][ T7704] do_syscall_64+0xc6/0x1e0 [ 5014.841997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5014.841997][ T7704] [ 5014.844281][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5014.844281][ T7704] netdev_get_by_index+0x5e/0x80 [ 5014.844281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5014.844281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5014.844281][ T7704] ip6_route_add+0x1c/0x140 [ 5014.844281][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5014.844281][ T7704] addrconf_add_dev+0xe2/0x170 [ 5014.844281][ T7704] inet6_addr_add+0x12f/0xa40 [ 5014.844281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5014.844281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5014.844281][ T7704] netlink_rcv_skb+0x130/0x360 [ 5014.844281][ T7704] netlink_unicast+0x449/0x710 [ 5014.844281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5014.844281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5014.844281][ T7704] ___sys_sendmsg+0xee/0x170 [ 5014.844281][ T7704] __sys_sendmsg+0xcd/0x170 [ 5014.844281][ T7704] do_syscall_64+0xc6/0x1e0 [ 5014.844281][ T7704] [ 5014.846526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5014.846526][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5014.846526][ T7704] ipv6_find_idev+0x102/0x170 [ 5014.846526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5014.846526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5014.846526][ T7704] netlink_rcv_skb+0x130/0x360 [ 5014.846526][ T7704] netlink_unicast+0x449/0x710 [ 5014.846526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5014.846526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5014.846526][ T7704] ___sys_sendmsg+0xee/0x170 [ 5014.846526][ T7704] __sys_sendmsg+0xcd/0x170 [ 5014.846526][ T7704] do_syscall_64+0xc6/0x1e0 [ 5014.846526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5014.846526][ T7704] [ 5014.848272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5014.848272][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5014.848272][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5014.848272][ T7704] ipv6_find_idev+0x102/0x170 [ 5014.848272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5014.848272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5014.848272][ T7704] netlink_rcv_skb+0x130/0x360 [ 5014.848272][ T7704] netlink_unicast+0x449/0x710 [ 5014.848272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5014.848272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5014.848272][ T7704] ___sys_sendmsg+0xee/0x170 [ 5014.848272][ T7704] __sys_sendmsg+0xcd/0x170 [ 5014.848272][ T7704] do_syscall_64+0xc6/0x1e0 [ 5014.848272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5014.848272][ T7704] [ 5024.966927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5024.967419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5024.967419][ T7704] netdev_get_by_index+0x5e/0x80 [ 5024.967419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5024.967419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5024.967419][ T7704] ip6_route_add+0x1c/0x140 [ 5024.967419][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5024.967419][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5024.967419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5024.967419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5024.967419][ T7704] netlink_rcv_skb+0x130/0x360 [ 5024.967419][ T7704] netlink_unicast+0x449/0x710 [ 5024.967419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5024.967419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5024.967419][ T7704] ___sys_sendmsg+0xee/0x170 [ 5024.967419][ T7704] __sys_sendmsg+0xcd/0x170 [ 5024.967419][ T7704] do_syscall_64+0xc6/0x1e0 [ 5024.967419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5024.967419][ T7704] [ 5024.969814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5024.969814][ T7704] netdev_get_by_index+0x5e/0x80 [ 5024.969814][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5024.969814][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5024.969814][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5024.969814][ T7704] ipv6_add_addr+0x411/0x2000 [ 5024.969814][ T7704] inet6_addr_add+0x30e/0xa40 [ 5024.969814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5024.969814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5024.969814][ T7704] netlink_rcv_skb+0x130/0x360 [ 5024.969814][ T7704] netlink_unicast+0x449/0x710 [ 5024.969814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5024.969814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5024.969814][ T7704] ___sys_sendmsg+0xee/0x170 [ 5024.969814][ T7704] __sys_sendmsg+0xcd/0x170 [ 5024.969814][ T7704] do_syscall_64+0xc6/0x1e0 [ 5024.969814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5024.969814][ T7704] [ 5024.972087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5024.972087][ T7704] netdev_get_by_index+0x5e/0x80 [ 5024.972087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5024.972087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5024.972087][ T7704] ip6_route_add+0x1c/0x140 [ 5024.972087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5024.972087][ T7704] addrconf_add_dev+0xe2/0x170 [ 5024.972087][ T7704] inet6_addr_add+0x12f/0xa40 [ 5024.972087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5024.972087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5024.972087][ T7704] netlink_rcv_skb+0x130/0x360 [ 5024.972087][ T7704] netlink_unicast+0x449/0x710 [ 5024.972087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5024.972087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5024.972087][ T7704] ___sys_sendmsg+0xee/0x170 [ 5024.972087][ T7704] __sys_sendmsg+0xcd/0x170 [ 5024.972087][ T7704] do_syscall_64+0xc6/0x1e0 [ 5024.972087][ T7704] [ 5024.974324][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5024.974324][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5024.974324][ T7704] ipv6_find_idev+0x102/0x170 [ 5024.974324][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5024.974324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5024.974324][ T7704] netlink_rcv_skb+0x130/0x360 [ 5024.974324][ T7704] netlink_unicast+0x449/0x710 [ 5024.974324][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5024.974324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5024.974324][ T7704] ___sys_sendmsg+0xee/0x170 [ 5024.974324][ T7704] __sys_sendmsg+0xcd/0x170 [ 5024.974324][ T7704] do_syscall_64+0xc6/0x1e0 [ 5024.974324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5024.974324][ T7704] [ 5024.976084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5024.976084][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5024.976084][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5024.976084][ T7704] ipv6_find_idev+0x102/0x170 [ 5024.976084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5024.976084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5024.976084][ T7704] netlink_rcv_skb+0x130/0x360 [ 5024.976084][ T7704] netlink_unicast+0x449/0x710 [ 5024.976084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5024.976084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5024.976084][ T7704] ___sys_sendmsg+0xee/0x170 [ 5024.976084][ T7704] __sys_sendmsg+0xcd/0x170 [ 5024.976084][ T7704] do_syscall_64+0xc6/0x1e0 [ 5024.976084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5024.976084][ T7704] [ 5035.214941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5035.215486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5035.215486][ T7704] netdev_get_by_index+0x5e/0x80 [ 5035.215486][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5035.215486][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5035.215486][ T7704] ip6_route_add+0x1c/0x140 [ 5035.215486][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5035.215486][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5035.215486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5035.215486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5035.215486][ T7704] netlink_rcv_skb+0x130/0x360 [ 5035.215486][ T7704] netlink_unicast+0x449/0x710 [ 5035.215486][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5035.215486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5035.215486][ T7704] ___sys_sendmsg+0xee/0x170 [ 5035.215486][ T7704] __sys_sendmsg+0xcd/0x170 [ 5035.215486][ T7704] do_syscall_64+0xc6/0x1e0 [ 5035.215486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5035.215486][ T7704] [ 5035.217835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5035.217835][ T7704] netdev_get_by_index+0x5e/0x80 [ 5035.217835][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5035.217835][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5035.217835][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5035.217835][ T7704] ipv6_add_addr+0x411/0x2000 [ 5035.217835][ T7704] inet6_addr_add+0x30e/0xa40 [ 5035.217835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5035.217835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5035.217835][ T7704] netlink_rcv_skb+0x130/0x360 [ 5035.217835][ T7704] netlink_unicast+0x449/0x710 [ 5035.217835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5035.217835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5035.217835][ T7704] ___sys_sendmsg+0xee/0x170 [ 5035.217835][ T7704] __sys_sendmsg+0xcd/0x170 [ 5035.217835][ T7704] do_syscall_64+0xc6/0x1e0 [ 5035.217835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5035.217835][ T7704] [ 5035.220690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5035.220690][ T7704] netdev_get_by_index+0x5e/0x80 [ 5035.220690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5035.220690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5035.220690][ T7704] ip6_route_add+0x1c/0x140 [ 5035.220690][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5035.220690][ T7704] addrconf_add_dev+0xe2/0x170 [ 5035.220690][ T7704] inet6_addr_add+0x12f/0xa40 [ 5035.220690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5035.220690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5035.220690][ T7704] netlink_rcv_skb+0x130/0x360 [ 5035.220690][ T7704] netlink_unicast+0x449/0x710 [ 5035.220690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5035.220690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5035.220690][ T7704] ___sys_sendmsg+0xee/0x170 [ 5035.220690][ T7704] __sys_sendmsg+0xcd/0x170 [ 5035.220690][ T7704] do_syscall_64+0xc6/0x1e0 [ 5035.220690][ T7704] [ 5035.222930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5035.222930][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5035.222930][ T7704] ipv6_find_idev+0x102/0x170 [ 5035.222930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5035.222930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5035.222930][ T7704] netlink_rcv_skb+0x130/0x360 [ 5035.222930][ T7704] netlink_unicast+0x449/0x710 [ 5035.222930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5035.222930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5035.222930][ T7704] ___sys_sendmsg+0xee/0x170 [ 5035.222930][ T7704] __sys_sendmsg+0xcd/0x170 [ 5035.222930][ T7704] do_syscall_64+0xc6/0x1e0 [ 5035.222930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5035.222930][ T7704] [ 5035.224678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5035.224678][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5035.224678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5035.224678][ T7704] ipv6_find_idev+0x102/0x170 [ 5035.224678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5035.224678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5035.224678][ T7704] netlink_rcv_skb+0x130/0x360 [ 5035.224678][ T7704] netlink_unicast+0x449/0x710 [ 5035.224678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5035.224678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5035.224678][ T7704] ___sys_sendmsg+0xee/0x170 [ 5035.224678][ T7704] __sys_sendmsg+0xcd/0x170 [ 5035.224678][ T7704] do_syscall_64+0xc6/0x1e0 [ 5035.224678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5035.224678][ T7704] [ 5045.462936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5045.463462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5045.463462][ T7704] netdev_get_by_index+0x5e/0x80 [ 5045.463462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5045.463462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5045.463462][ T7704] ip6_route_add+0x1c/0x140 [ 5045.463462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5045.463462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5045.463462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5045.463462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5045.463462][ T7704] netlink_rcv_skb+0x130/0x360 [ 5045.463462][ T7704] netlink_unicast+0x449/0x710 [ 5045.463462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5045.463462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5045.463462][ T7704] ___sys_sendmsg+0xee/0x170 [ 5045.463462][ T7704] __sys_sendmsg+0xcd/0x170 [ 5045.463462][ T7704] do_syscall_64+0xc6/0x1e0 [ 5045.463462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5045.463462][ T7704] [ 5045.465805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5045.465805][ T7704] netdev_get_by_index+0x5e/0x80 [ 5045.465805][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5045.465805][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5045.465805][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5045.465805][ T7704] ipv6_add_addr+0x411/0x2000 [ 5045.465805][ T7704] inet6_addr_add+0x30e/0xa40 [ 5045.465805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5045.465805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5045.465805][ T7704] netlink_rcv_skb+0x130/0x360 [ 5045.465805][ T7704] netlink_unicast+0x449/0x710 [ 5045.465805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5045.465805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5045.465805][ T7704] ___sys_sendmsg+0xee/0x170 [ 5045.465805][ T7704] __sys_sendmsg+0xcd/0x170 [ 5045.465805][ T7704] do_syscall_64+0xc6/0x1e0 [ 5045.465805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5045.465805][ T7704] [ 5045.468091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5045.468091][ T7704] netdev_get_by_index+0x5e/0x80 [ 5045.468091][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5045.468091][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5045.468091][ T7704] ip6_route_add+0x1c/0x140 [ 5045.468091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5045.468091][ T7704] addrconf_add_dev+0xe2/0x170 [ 5045.468091][ T7704] inet6_addr_add+0x12f/0xa40 [ 5045.468091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5045.468091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5045.468091][ T7704] netlink_rcv_skb+0x130/0x360 [ 5045.468091][ T7704] netlink_unicast+0x449/0x710 [ 5045.468091][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5045.468091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5045.468091][ T7704] ___sys_sendmsg+0xee/0x170 [ 5045.468091][ T7704] __sys_sendmsg+0xcd/0x170 [ 5045.468091][ T7704] do_syscall_64+0xc6/0x1e0 [ 5045.468091][ T7704] [ 5045.470346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5045.470346][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5045.470346][ T7704] ipv6_find_idev+0x102/0x170 [ 5045.470346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5045.470346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5045.470346][ T7704] netlink_rcv_skb+0x130/0x360 [ 5045.470346][ T7704] netlink_unicast+0x449/0x710 [ 5045.470346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5045.470346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5045.470346][ T7704] ___sys_sendmsg+0xee/0x170 [ 5045.470346][ T7704] __sys_sendmsg+0xcd/0x170 [ 5045.470346][ T7704] do_syscall_64+0xc6/0x1e0 [ 5045.470346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5045.470346][ T7704] [ 5045.472101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5045.472101][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5045.472101][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5045.472101][ T7704] ipv6_find_idev+0x102/0x170 [ 5045.472101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5045.472101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5045.472101][ T7704] netlink_rcv_skb+0x130/0x360 [ 5045.472101][ T7704] netlink_unicast+0x449/0x710 [ 5045.472101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5045.472101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5045.472101][ T7704] ___sys_sendmsg+0xee/0x170 [ 5045.472101][ T7704] __sys_sendmsg+0xcd/0x170 [ 5045.472101][ T7704] do_syscall_64+0xc6/0x1e0 [ 5045.472101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5045.472101][ T7704] [ 5055.486932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5055.487442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5055.487442][ T7704] netdev_get_by_index+0x5e/0x80 [ 5055.487442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5055.487442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5055.487442][ T7704] ip6_route_add+0x1c/0x140 [ 5055.487442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5055.487442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5055.487442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5055.487442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5055.487442][ T7704] netlink_rcv_skb+0x130/0x360 [ 5055.487442][ T7704] netlink_unicast+0x449/0x710 [ 5055.487442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5055.487442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5055.487442][ T7704] ___sys_sendmsg+0xee/0x170 [ 5055.487442][ T7704] __sys_sendmsg+0xcd/0x170 [ 5055.487442][ T7704] do_syscall_64+0xc6/0x1e0 [ 5055.487442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5055.487442][ T7704] [ 5055.489741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5055.489741][ T7704] netdev_get_by_index+0x5e/0x80 [ 5055.489741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5055.489741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5055.489741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5055.489741][ T7704] ipv6_add_addr+0x411/0x2000 [ 5055.489741][ T7704] inet6_addr_add+0x30e/0xa40 [ 5055.489741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5055.489741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5055.489741][ T7704] netlink_rcv_skb+0x130/0x360 [ 5055.489741][ T7704] netlink_unicast+0x449/0x710 [ 5055.489741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5055.489741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5055.489741][ T7704] ___sys_sendmsg+0xee/0x170 [ 5055.489741][ T7704] __sys_sendmsg+0xcd/0x170 [ 5055.489741][ T7704] do_syscall_64+0xc6/0x1e0 [ 5055.489741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5055.489741][ T7704] [ 5055.492021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5055.492021][ T7704] netdev_get_by_index+0x5e/0x80 [ 5055.492021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5055.492021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5055.492021][ T7704] ip6_route_add+0x1c/0x140 [ 5055.492021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5055.492021][ T7704] addrconf_add_dev+0xe2/0x170 [ 5055.492021][ T7704] inet6_addr_add+0x12f/0xa40 [ 5055.492021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5055.492021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5055.492021][ T7704] netlink_rcv_skb+0x130/0x360 [ 5055.492021][ T7704] netlink_unicast+0x449/0x710 [ 5055.492021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5055.492021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5055.492021][ T7704] ___sys_sendmsg+0xee/0x170 [ 5055.492021][ T7704] __sys_sendmsg+0xcd/0x170 [ 5055.492021][ T7704] do_syscall_64+0xc6/0x1e0 [ 5055.492021][ T7704] [ 5055.494256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5055.494256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5055.494256][ T7704] ipv6_find_idev+0x102/0x170 [ 5055.494256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5055.494256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5055.494256][ T7704] netlink_rcv_skb+0x130/0x360 [ 5055.494256][ T7704] netlink_unicast+0x449/0x710 [ 5055.494256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5055.494256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5055.494256][ T7704] ___sys_sendmsg+0xee/0x170 [ 5055.494256][ T7704] __sys_sendmsg+0xcd/0x170 [ 5055.494256][ T7704] do_syscall_64+0xc6/0x1e0 [ 5055.494256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5055.494256][ T7704] [ 5055.496011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5055.496011][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5055.496011][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5055.496011][ T7704] ipv6_find_idev+0x102/0x170 [ 5055.496011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5055.496011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5055.496011][ T7704] netlink_rcv_skb+0x130/0x360 [ 5055.496011][ T7704] netlink_unicast+0x449/0x710 [ 5055.496011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5055.496011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5055.496011][ T7704] ___sys_sendmsg+0xee/0x170 [ 5055.496011][ T7704] __sys_sendmsg+0xcd/0x170 [ 5055.496011][ T7704] do_syscall_64+0xc6/0x1e0 [ 5055.496011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5055.496011][ T7704] [ 5065.750936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5065.751463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5065.751463][ T7704] netdev_get_by_index+0x5e/0x80 [ 5065.751463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5065.751463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5065.751463][ T7704] ip6_route_add+0x1c/0x140 [ 5065.751463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5065.751463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5065.751463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5065.751463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5065.751463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5065.751463][ T7704] netlink_unicast+0x449/0x710 [ 5065.751463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5065.751463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5065.751463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5065.751463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5065.751463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5065.751463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5065.751463][ T7704] [ 5065.753739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5065.753739][ T7704] netdev_get_by_index+0x5e/0x80 [ 5065.753739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5065.753739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5065.753739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5065.753739][ T7704] ipv6_add_addr+0x411/0x2000 [ 5065.753739][ T7704] inet6_addr_add+0x30e/0xa40 [ 5065.753739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5065.753739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5065.753739][ T7704] netlink_rcv_skb+0x130/0x360 [ 5065.753739][ T7704] netlink_unicast+0x449/0x710 [ 5065.753739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5065.753739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5065.753739][ T7704] ___sys_sendmsg+0xee/0x170 [ 5065.753739][ T7704] __sys_sendmsg+0xcd/0x170 [ 5065.753739][ T7704] do_syscall_64+0xc6/0x1e0 [ 5065.753739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5065.753739][ T7704] [ 5065.756003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5065.756003][ T7704] netdev_get_by_index+0x5e/0x80 [ 5065.756003][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5065.756003][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5065.756003][ T7704] ip6_route_add+0x1c/0x140 [ 5065.756003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5065.756003][ T7704] addrconf_add_dev+0xe2/0x170 [ 5065.756003][ T7704] inet6_addr_add+0x12f/0xa40 [ 5065.756003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5065.756003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5065.756003][ T7704] netlink_rcv_skb+0x130/0x360 [ 5065.756003][ T7704] netlink_unicast+0x449/0x710 [ 5065.756003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5065.756003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5065.756003][ T7704] ___sys_sendmsg+0xee/0x170 [ 5065.756003][ T7704] __sys_sendmsg+0xcd/0x170 [ 5065.756003][ T7704] do_syscall_64+0xc6/0x1e0 [ 5065.756003][ T7704] [ 5065.758229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5065.758229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5065.758229][ T7704] ipv6_find_idev+0x102/0x170 [ 5065.758229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5065.758229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5065.758229][ T7704] netlink_rcv_skb+0x130/0x360 [ 5065.758229][ T7704] netlink_unicast+0x449/0x710 [ 5065.758229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5065.758229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5065.758229][ T7704] ___sys_sendmsg+0xee/0x170 [ 5065.758229][ T7704] __sys_sendmsg+0xcd/0x170 [ 5065.758229][ T7704] do_syscall_64+0xc6/0x1e0 [ 5065.758229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5065.758229][ T7704] [ 5065.759974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5065.759974][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5065.759974][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5065.759974][ T7704] ipv6_find_idev+0x102/0x170 [ 5065.759974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5065.759974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5065.759974][ T7704] netlink_rcv_skb+0x130/0x360 [ 5065.759974][ T7704] netlink_unicast+0x449/0x710 [ 5065.759974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5065.759974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5065.759974][ T7704] ___sys_sendmsg+0xee/0x170 [ 5065.759974][ T7704] __sys_sendmsg+0xcd/0x170 [ 5065.759974][ T7704] do_syscall_64+0xc6/0x1e0 [ 5065.759974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5065.759974][ T7704] [ 5076.014950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5076.015476][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5076.015476][ T7704] netdev_get_by_index+0x5e/0x80 [ 5076.015476][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5076.015476][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5076.015476][ T7704] ip6_route_add+0x1c/0x140 [ 5076.015476][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5076.015476][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5076.015476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5076.015476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5076.015476][ T7704] netlink_rcv_skb+0x130/0x360 [ 5076.015476][ T7704] netlink_unicast+0x449/0x710 [ 5076.015476][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5076.015476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5076.015476][ T7704] ___sys_sendmsg+0xee/0x170 [ 5076.015476][ T7704] __sys_sendmsg+0xcd/0x170 [ 5076.015476][ T7704] do_syscall_64+0xc6/0x1e0 [ 5076.015476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5076.015476][ T7704] [ 5076.017769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5076.017769][ T7704] netdev_get_by_index+0x5e/0x80 [ 5076.017769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5076.017769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5076.017769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5076.017769][ T7704] ipv6_add_addr+0x411/0x2000 [ 5076.017769][ T7704] inet6_addr_add+0x30e/0xa40 [ 5076.017769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5076.017769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5076.017769][ T7704] netlink_rcv_skb+0x130/0x360 [ 5076.017769][ T7704] netlink_unicast+0x449/0x710 [ 5076.017769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5076.017769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5076.017769][ T7704] ___sys_sendmsg+0xee/0x170 [ 5076.017769][ T7704] __sys_sendmsg+0xcd/0x170 [ 5076.017769][ T7704] do_syscall_64+0xc6/0x1e0 [ 5076.017769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5076.017769][ T7704] [ 5076.020028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5076.020028][ T7704] netdev_get_by_index+0x5e/0x80 [ 5076.020028][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5076.020028][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5076.020028][ T7704] ip6_route_add+0x1c/0x140 [ 5076.020028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5076.020028][ T7704] addrconf_add_dev+0xe2/0x170 [ 5076.020028][ T7704] inet6_addr_add+0x12f/0xa40 [ 5076.020028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5076.020028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5076.020028][ T7704] netlink_rcv_skb+0x130/0x360 [ 5076.020028][ T7704] netlink_unicast+0x449/0x710 [ 5076.020028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5076.020028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5076.020028][ T7704] ___sys_sendmsg+0xee/0x170 [ 5076.020028][ T7704] __sys_sendmsg+0xcd/0x170 [ 5076.020028][ T7704] do_syscall_64+0xc6/0x1e0 [ 5076.020028][ T7704] [ 5076.022266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5076.022266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5076.022266][ T7704] ipv6_find_idev+0x102/0x170 [ 5076.022266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5076.022266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5076.022266][ T7704] netlink_rcv_skb+0x130/0x360 [ 5076.022266][ T7704] netlink_unicast+0x449/0x710 [ 5076.022266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5076.022266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5076.022266][ T7704] ___sys_sendmsg+0xee/0x170 [ 5076.022266][ T7704] __sys_sendmsg+0xcd/0x170 [ 5076.022266][ T7704] do_syscall_64+0xc6/0x1e0 [ 5076.022266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5076.022266][ T7704] [ 5076.024116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5076.024116][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5076.024116][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5076.024116][ T7704] ipv6_find_idev+0x102/0x170 [ 5076.024116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5076.024116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5076.024116][ T7704] netlink_rcv_skb+0x130/0x360 [ 5076.024116][ T7704] netlink_unicast+0x449/0x710 [ 5076.024116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5076.024116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5076.024116][ T7704] ___sys_sendmsg+0xee/0x170 [ 5076.024116][ T7704] __sys_sendmsg+0xcd/0x170 [ 5076.024116][ T7704] do_syscall_64+0xc6/0x1e0 [ 5076.024116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5076.024116][ T7704] [ 5086.270938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5086.271439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5086.271439][ T7704] netdev_get_by_index+0x5e/0x80 [ 5086.271439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5086.271439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5086.271439][ T7704] ip6_route_add+0x1c/0x140 [ 5086.271439][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5086.271439][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5086.271439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5086.271439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5086.271439][ T7704] netlink_rcv_skb+0x130/0x360 [ 5086.271439][ T7704] netlink_unicast+0x449/0x710 [ 5086.271439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5086.271439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5086.271439][ T7704] ___sys_sendmsg+0xee/0x170 [ 5086.271439][ T7704] __sys_sendmsg+0xcd/0x170 [ 5086.271439][ T7704] do_syscall_64+0xc6/0x1e0 [ 5086.271439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5086.271439][ T7704] [ 5086.273739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5086.273739][ T7704] netdev_get_by_index+0x5e/0x80 [ 5086.273739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5086.273739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5086.273739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5086.273739][ T7704] ipv6_add_addr+0x411/0x2000 [ 5086.273739][ T7704] inet6_addr_add+0x30e/0xa40 [ 5086.273739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5086.273739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5086.273739][ T7704] netlink_rcv_skb+0x130/0x360 [ 5086.273739][ T7704] netlink_unicast+0x449/0x710 [ 5086.273739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5086.273739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5086.273739][ T7704] ___sys_sendmsg+0xee/0x170 [ 5086.273739][ T7704] __sys_sendmsg+0xcd/0x170 [ 5086.273739][ T7704] do_syscall_64+0xc6/0x1e0 [ 5086.273739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5086.273739][ T7704] [ 5086.276000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5086.276000][ T7704] netdev_get_by_index+0x5e/0x80 [ 5086.276000][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5086.276000][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5086.276000][ T7704] ip6_route_add+0x1c/0x140 [ 5086.276000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5086.276000][ T7704] addrconf_add_dev+0xe2/0x170 [ 5086.276000][ T7704] inet6_addr_add+0x12f/0xa40 [ 5086.276000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5086.276000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5086.276000][ T7704] netlink_rcv_skb+0x130/0x360 [ 5086.276000][ T7704] netlink_unicast+0x449/0x710 [ 5086.276000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5086.276000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5086.276000][ T7704] ___sys_sendmsg+0xee/0x170 [ 5086.276000][ T7704] __sys_sendmsg+0xcd/0x170 [ 5086.276000][ T7704] do_syscall_64+0xc6/0x1e0 [ 5086.276000][ T7704] [ 5086.278212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5086.278212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5086.278212][ T7704] ipv6_find_idev+0x102/0x170 [ 5086.278212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5086.278212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5086.278212][ T7704] netlink_rcv_skb+0x130/0x360 [ 5086.278212][ T7704] netlink_unicast+0x449/0x710 [ 5086.278212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5086.278212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5086.278212][ T7704] ___sys_sendmsg+0xee/0x170 [ 5086.278212][ T7704] __sys_sendmsg+0xcd/0x170 [ 5086.278212][ T7704] do_syscall_64+0xc6/0x1e0 [ 5086.278212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5086.278212][ T7704] [ 5086.279936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5086.279936][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5086.279936][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5086.279936][ T7704] ipv6_find_idev+0x102/0x170 [ 5086.279936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5086.279936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5086.279936][ T7704] netlink_rcv_skb+0x130/0x360 [ 5086.279936][ T7704] netlink_unicast+0x449/0x710 [ 5086.279936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5086.279936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5086.279936][ T7704] ___sys_sendmsg+0xee/0x170 [ 5086.279936][ T7704] __sys_sendmsg+0xcd/0x170 [ 5086.279936][ T7704] do_syscall_64+0xc6/0x1e0 [ 5086.279936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5086.279936][ T7704] [ 5096.535075][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5096.535623][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5096.535623][ T7704] netdev_get_by_index+0x5e/0x80 [ 5096.535623][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5096.535623][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5096.535623][ T7704] ip6_route_add+0x1c/0x140 [ 5096.535623][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5096.535623][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5096.535623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5096.535623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5096.535623][ T7704] netlink_rcv_skb+0x130/0x360 [ 5096.535623][ T7704] netlink_unicast+0x449/0x710 [ 5096.535623][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5096.535623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5096.535623][ T7704] ___sys_sendmsg+0xee/0x170 [ 5096.535623][ T7704] __sys_sendmsg+0xcd/0x170 [ 5096.535623][ T7704] do_syscall_64+0xc6/0x1e0 [ 5096.535623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5096.535623][ T7704] [ 5096.537897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5096.537897][ T7704] netdev_get_by_index+0x5e/0x80 [ 5096.537897][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5096.537897][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5096.537897][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5096.537897][ T7704] ipv6_add_addr+0x411/0x2000 [ 5096.537897][ T7704] inet6_addr_add+0x30e/0xa40 [ 5096.537897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5096.537897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5096.537897][ T7704] netlink_rcv_skb+0x130/0x360 [ 5096.537897][ T7704] netlink_unicast+0x449/0x710 [ 5096.537897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5096.537897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5096.537897][ T7704] ___sys_sendmsg+0xee/0x170 [ 5096.537897][ T7704] __sys_sendmsg+0xcd/0x170 [ 5096.537897][ T7704] do_syscall_64+0xc6/0x1e0 [ 5096.537897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5096.537897][ T7704] [ 5096.540153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5096.540153][ T7704] netdev_get_by_index+0x5e/0x80 [ 5096.540153][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5096.540153][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5096.540153][ T7704] ip6_route_add+0x1c/0x140 [ 5096.540153][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5096.540153][ T7704] addrconf_add_dev+0xe2/0x170 [ 5096.540153][ T7704] inet6_addr_add+0x12f/0xa40 [ 5096.540153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5096.540153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5096.540153][ T7704] netlink_rcv_skb+0x130/0x360 [ 5096.540153][ T7704] netlink_unicast+0x449/0x710 [ 5096.540153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5096.540153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5096.540153][ T7704] ___sys_sendmsg+0xee/0x170 [ 5096.540153][ T7704] __sys_sendmsg+0xcd/0x170 [ 5096.540153][ T7704] do_syscall_64+0xc6/0x1e0 [ 5096.540153][ T7704] [ 5096.542352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5096.542352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5096.542352][ T7704] ipv6_find_idev+0x102/0x170 [ 5096.542352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5096.542352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5096.542352][ T7704] netlink_rcv_skb+0x130/0x360 [ 5096.542352][ T7704] netlink_unicast+0x449/0x710 [ 5096.542352][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5096.542352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5096.542352][ T7704] ___sys_sendmsg+0xee/0x170 [ 5096.542352][ T7704] __sys_sendmsg+0xcd/0x170 [ 5096.542352][ T7704] do_syscall_64+0xc6/0x1e0 [ 5096.542352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5096.542352][ T7704] [ 5096.544079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5096.544079][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5096.544079][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5096.544079][ T7704] ipv6_find_idev+0x102/0x170 [ 5096.544079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5096.544079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5096.544079][ T7704] netlink_rcv_skb+0x130/0x360 [ 5096.544079][ T7704] netlink_unicast+0x449/0x710 [ 5096.544079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5096.544079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5096.544079][ T7704] ___sys_sendmsg+0xee/0x170 [ 5096.544079][ T7704] __sys_sendmsg+0xcd/0x170 [ 5096.544079][ T7704] do_syscall_64+0xc6/0x1e0 [ 5096.544079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5096.544079][ T7704] [ 5106.798949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5106.799470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5106.799470][ T7704] netdev_get_by_index+0x5e/0x80 [ 5106.799470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5106.799470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5106.799470][ T7704] ip6_route_add+0x1c/0x140 [ 5106.799470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5106.799470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5106.799470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5106.799470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5106.799470][ T7704] netlink_rcv_skb+0x130/0x360 [ 5106.799470][ T7704] netlink_unicast+0x449/0x710 [ 5106.799470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5106.799470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5106.799470][ T7704] ___sys_sendmsg+0xee/0x170 [ 5106.799470][ T7704] __sys_sendmsg+0xcd/0x170 [ 5106.799470][ T7704] do_syscall_64+0xc6/0x1e0 [ 5106.799470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5106.799470][ T7704] [ 5106.801788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5106.801788][ T7704] netdev_get_by_index+0x5e/0x80 [ 5106.801788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5106.801788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5106.801788][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5106.801788][ T7704] ipv6_add_addr+0x411/0x2000 [ 5106.801788][ T7704] inet6_addr_add+0x30e/0xa40 [ 5106.801788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5106.801788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5106.801788][ T7704] netlink_rcv_skb+0x130/0x360 [ 5106.801788][ T7704] netlink_unicast+0x449/0x710 [ 5106.801788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5106.801788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5106.801788][ T7704] ___sys_sendmsg+0xee/0x170 [ 5106.801788][ T7704] __sys_sendmsg+0xcd/0x170 [ 5106.801788][ T7704] do_syscall_64+0xc6/0x1e0 [ 5106.801788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5106.801788][ T7704] [ 5106.804059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5106.804059][ T7704] netdev_get_by_index+0x5e/0x80 [ 5106.804059][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5106.804059][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5106.804059][ T7704] ip6_route_add+0x1c/0x140 [ 5106.804059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5106.804059][ T7704] addrconf_add_dev+0xe2/0x170 [ 5106.804059][ T7704] inet6_addr_add+0x12f/0xa40 [ 5106.804059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5106.804059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5106.804059][ T7704] netlink_rcv_skb+0x130/0x360 [ 5106.804059][ T7704] netlink_unicast+0x449/0x710 [ 5106.804059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5106.804059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5106.804059][ T7704] ___sys_sendmsg+0xee/0x170 [ 5106.804059][ T7704] __sys_sendmsg+0xcd/0x170 [ 5106.804059][ T7704] do_syscall_64+0xc6/0x1e0 [ 5106.804059][ T7704] [ 5106.806310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5106.806310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5106.806310][ T7704] ipv6_find_idev+0x102/0x170 [ 5106.806310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5106.806310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5106.806310][ T7704] netlink_rcv_skb+0x130/0x360 [ 5106.806310][ T7704] netlink_unicast+0x449/0x710 [ 5106.806310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5106.806310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5106.806310][ T7704] ___sys_sendmsg+0xee/0x170 [ 5106.806310][ T7704] __sys_sendmsg+0xcd/0x170 [ 5106.806310][ T7704] do_syscall_64+0xc6/0x1e0 [ 5106.806310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5106.806310][ T7704] [ 5106.808060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5106.808060][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5106.808060][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5106.808060][ T7704] ipv6_find_idev+0x102/0x170 [ 5106.808060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5106.808060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5106.808060][ T7704] netlink_rcv_skb+0x130/0x360 [ 5106.808060][ T7704] netlink_unicast+0x449/0x710 [ 5106.808060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5106.808060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5106.808060][ T7704] ___sys_sendmsg+0xee/0x170 [ 5106.808060][ T7704] __sys_sendmsg+0xcd/0x170 [ 5106.808060][ T7704] do_syscall_64+0xc6/0x1e0 [ 5106.808060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5106.808060][ T7704] [ 5117.062934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5117.063429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5117.063429][ T7704] netdev_get_by_index+0x5e/0x80 [ 5117.063429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5117.063429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5117.063429][ T7704] ip6_route_add+0x1c/0x140 [ 5117.063429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5117.063429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5117.063429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.063429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.063429][ T7704] netlink_rcv_skb+0x130/0x360 [ 5117.063429][ T7704] netlink_unicast+0x449/0x710 [ 5117.063429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5117.063429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5117.063429][ T7704] ___sys_sendmsg+0xee/0x170 [ 5117.063429][ T7704] __sys_sendmsg+0xcd/0x170 [ 5117.063429][ T7704] do_syscall_64+0xc6/0x1e0 [ 5117.063429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.063429][ T7704] [ 5117.065761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5117.065761][ T7704] netdev_get_by_index+0x5e/0x80 [ 5117.065761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5117.065761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5117.065761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5117.065761][ T7704] ipv6_add_addr+0x411/0x2000 [ 5117.065761][ T7704] inet6_addr_add+0x30e/0xa40 [ 5117.065761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.065761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.065761][ T7704] netlink_rcv_skb+0x130/0x360 [ 5117.065761][ T7704] netlink_unicast+0x449/0x710 [ 5117.065761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5117.065761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5117.065761][ T7704] ___sys_sendmsg+0xee/0x170 [ 5117.065761][ T7704] __sys_sendmsg+0xcd/0x170 [ 5117.065761][ T7704] do_syscall_64+0xc6/0x1e0 [ 5117.065761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.065761][ T7704] [ 5117.068030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5117.068030][ T7704] netdev_get_by_index+0x5e/0x80 [ 5117.068030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5117.068030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5117.068030][ T7704] ip6_route_add+0x1c/0x140 [ 5117.068030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5117.068030][ T7704] addrconf_add_dev+0xe2/0x170 [ 5117.068030][ T7704] inet6_addr_add+0x12f/0xa40 [ 5117.068030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.068030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.068030][ T7704] netlink_rcv_skb+0x130/0x360 [ 5117.068030][ T7704] netlink_unicast+0x449/0x710 [ 5117.068030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5117.068030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5117.068030][ T7704] ___sys_sendmsg+0xee/0x170 [ 5117.068030][ T7704] __sys_sendmsg+0xcd/0x170 [ 5117.068030][ T7704] do_syscall_64+0xc6/0x1e0 [ 5117.068030][ T7704] [ 5117.070282][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5117.070282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5117.070282][ T7704] ipv6_find_idev+0x102/0x170 [ 5117.070282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5117.070282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.070282][ T7704] netlink_rcv_skb+0x130/0x360 [ 5117.070282][ T7704] netlink_unicast+0x449/0x710 [ 5117.070282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5117.070282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5117.070282][ T7704] ___sys_sendmsg+0xee/0x170 [ 5117.070282][ T7704] __sys_sendmsg+0xcd/0x170 [ 5117.070282][ T7704] do_syscall_64+0xc6/0x1e0 [ 5117.070282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.070282][ T7704] [ 5117.072049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5117.072049][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5117.072049][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5117.072049][ T7704] ipv6_find_idev+0x102/0x170 [ 5117.072049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5117.072049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.072049][ T7704] netlink_rcv_skb+0x130/0x360 [ 5117.072049][ T7704] netlink_unicast+0x449/0x710 [ 5117.072049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5117.072049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5117.072049][ T7704] ___sys_sendmsg+0xee/0x170 [ 5117.072049][ T7704] __sys_sendmsg+0xcd/0x170 [ 5117.072049][ T7704] do_syscall_64+0xc6/0x1e0 [ 5117.072049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.072049][ T7704] [ 5127.310936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5127.311457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5127.311457][ T7704] netdev_get_by_index+0x5e/0x80 [ 5127.311457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5127.311457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5127.311457][ T7704] ip6_route_add+0x1c/0x140 [ 5127.311457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5127.311457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5127.311457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5127.311457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5127.311457][ T7704] netlink_rcv_skb+0x130/0x360 [ 5127.311457][ T7704] netlink_unicast+0x449/0x710 [ 5127.311457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5127.311457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5127.311457][ T7704] ___sys_sendmsg+0xee/0x170 [ 5127.311457][ T7704] __sys_sendmsg+0xcd/0x170 [ 5127.311457][ T7704] do_syscall_64+0xc6/0x1e0 [ 5127.311457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5127.311457][ T7704] [ 5127.313731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5127.313731][ T7704] netdev_get_by_index+0x5e/0x80 [ 5127.313731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5127.313731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5127.313731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5127.313731][ T7704] ipv6_add_addr+0x411/0x2000 [ 5127.313731][ T7704] inet6_addr_add+0x30e/0xa40 [ 5127.313731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5127.313731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5127.313731][ T7704] netlink_rcv_skb+0x130/0x360 [ 5127.313731][ T7704] netlink_unicast+0x449/0x710 [ 5127.313731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5127.313731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5127.313731][ T7704] ___sys_sendmsg+0xee/0x170 [ 5127.313731][ T7704] __sys_sendmsg+0xcd/0x170 [ 5127.313731][ T7704] do_syscall_64+0xc6/0x1e0 [ 5127.313731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5127.313731][ T7704] [ 5127.316007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5127.316007][ T7704] netdev_get_by_index+0x5e/0x80 [ 5127.316007][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5127.316007][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5127.316007][ T7704] ip6_route_add+0x1c/0x140 [ 5127.316007][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5127.316007][ T7704] addrconf_add_dev+0xe2/0x170 [ 5127.316007][ T7704] inet6_addr_add+0x12f/0xa40 [ 5127.316007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5127.316007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5127.316007][ T7704] netlink_rcv_skb+0x130/0x360 [ 5127.316007][ T7704] netlink_unicast+0x449/0x710 [ 5127.316007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5127.316007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5127.316007][ T7704] ___sys_sendmsg+0xee/0x170 [ 5127.316007][ T7704] __sys_sendmsg+0xcd/0x170 [ 5127.316007][ T7704] do_syscall_64+0xc6/0x1e0 [ 5127.316007][ T7704] [ 5127.318205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5127.318205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5127.318205][ T7704] ipv6_find_idev+0x102/0x170 [ 5127.318205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5127.318205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5127.318205][ T7704] netlink_rcv_skb+0x130/0x360 [ 5127.318205][ T7704] netlink_unicast+0x449/0x710 [ 5127.318205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5127.318205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5127.318205][ T7704] ___sys_sendmsg+0xee/0x170 [ 5127.318205][ T7704] __sys_sendmsg+0xcd/0x170 [ 5127.318205][ T7704] do_syscall_64+0xc6/0x1e0 [ 5127.318205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5127.318205][ T7704] [ 5127.319934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5127.319934][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5127.319934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5127.319934][ T7704] ipv6_find_idev+0x102/0x170 [ 5127.319934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5127.319934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5127.319934][ T7704] netlink_rcv_skb+0x130/0x360 [ 5127.319934][ T7704] netlink_unicast+0x449/0x710 [ 5127.319934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5127.319934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5127.319934][ T7704] ___sys_sendmsg+0xee/0x170 [ 5127.319934][ T7704] __sys_sendmsg+0xcd/0x170 [ 5127.319934][ T7704] do_syscall_64+0xc6/0x1e0 [ 5127.319934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5127.319934][ T7704] [ 5137.446870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5137.447389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5137.447389][ T7704] netdev_get_by_index+0x5e/0x80 [ 5137.447389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5137.447389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5137.447389][ T7704] ip6_route_add+0x1c/0x140 [ 5137.447389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5137.447389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5137.447389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5137.447389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5137.447389][ T7704] netlink_rcv_skb+0x130/0x360 [ 5137.447389][ T7704] netlink_unicast+0x449/0x710 [ 5137.447389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5137.447389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5137.447389][ T7704] ___sys_sendmsg+0xee/0x170 [ 5137.447389][ T7704] __sys_sendmsg+0xcd/0x170 [ 5137.447389][ T7704] do_syscall_64+0xc6/0x1e0 [ 5137.447389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5137.447389][ T7704] [ 5137.449654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5137.449654][ T7704] netdev_get_by_index+0x5e/0x80 [ 5137.449654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5137.449654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5137.449654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5137.449654][ T7704] ipv6_add_addr+0x411/0x2000 [ 5137.449654][ T7704] inet6_addr_add+0x30e/0xa40 [ 5137.449654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5137.449654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5137.449654][ T7704] netlink_rcv_skb+0x130/0x360 [ 5137.449654][ T7704] netlink_unicast+0x449/0x710 [ 5137.449654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5137.449654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5137.449654][ T7704] ___sys_sendmsg+0xee/0x170 [ 5137.449654][ T7704] __sys_sendmsg+0xcd/0x170 [ 5137.449654][ T7704] do_syscall_64+0xc6/0x1e0 [ 5137.449654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5137.449654][ T7704] [ 5137.451910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5137.451910][ T7704] netdev_get_by_index+0x5e/0x80 [ 5137.451910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5137.451910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5137.451910][ T7704] ip6_route_add+0x1c/0x140 [ 5137.451910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5137.451910][ T7704] addrconf_add_dev+0xe2/0x170 [ 5137.451910][ T7704] inet6_addr_add+0x12f/0xa40 [ 5137.451910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5137.451910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5137.451910][ T7704] netlink_rcv_skb+0x130/0x360 [ 5137.451910][ T7704] netlink_unicast+0x449/0x710 [ 5137.451910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5137.451910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5137.451910][ T7704] ___sys_sendmsg+0xee/0x170 [ 5137.451910][ T7704] __sys_sendmsg+0xcd/0x170 [ 5137.451910][ T7704] do_syscall_64+0xc6/0x1e0 [ 5137.451910][ T7704] [ 5137.454121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5137.454121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5137.454121][ T7704] ipv6_find_idev+0x102/0x170 [ 5137.454121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5137.454121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5137.454121][ T7704] netlink_rcv_skb+0x130/0x360 [ 5137.454121][ T7704] netlink_unicast+0x449/0x710 [ 5137.454121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5137.454121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5137.454121][ T7704] ___sys_sendmsg+0xee/0x170 [ 5137.454121][ T7704] __sys_sendmsg+0xcd/0x170 [ 5137.454121][ T7704] do_syscall_64+0xc6/0x1e0 [ 5137.454121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5137.454121][ T7704] [ 5137.455862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5137.455862][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5137.455862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5137.455862][ T7704] ipv6_find_idev+0x102/0x170 [ 5137.455862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5137.455862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5137.455862][ T7704] netlink_rcv_skb+0x130/0x360 [ 5137.455862][ T7704] netlink_unicast+0x449/0x710 [ 5137.455862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5137.455862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5137.455862][ T7704] ___sys_sendmsg+0xee/0x170 [ 5137.455862][ T7704] __sys_sendmsg+0xcd/0x170 [ 5137.455862][ T7704] do_syscall_64+0xc6/0x1e0 [ 5137.455862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5137.455862][ T7704] [ 5147.694934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5147.695437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5147.695437][ T7704] netdev_get_by_index+0x5e/0x80 [ 5147.695437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5147.695437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5147.695437][ T7704] ip6_route_add+0x1c/0x140 [ 5147.695437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5147.695437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5147.695437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5147.695437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5147.695437][ T7704] netlink_rcv_skb+0x130/0x360 [ 5147.695437][ T7704] netlink_unicast+0x449/0x710 [ 5147.695437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5147.695437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5147.695437][ T7704] ___sys_sendmsg+0xee/0x170 [ 5147.695437][ T7704] __sys_sendmsg+0xcd/0x170 [ 5147.695437][ T7704] do_syscall_64+0xc6/0x1e0 [ 5147.695437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5147.695437][ T7704] [ 5147.699554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5147.699554][ T7704] netdev_get_by_index+0x5e/0x80 [ 5147.699554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5147.699554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5147.699554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5147.699554][ T7704] ipv6_add_addr+0x411/0x2000 [ 5147.699554][ T7704] inet6_addr_add+0x30e/0xa40 [ 5147.699554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5147.699554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5147.699554][ T7704] netlink_rcv_skb+0x130/0x360 [ 5147.699554][ T7704] netlink_unicast+0x449/0x710 [ 5147.699554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5147.699554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5147.699554][ T7704] ___sys_sendmsg+0xee/0x170 [ 5147.699554][ T7704] __sys_sendmsg+0xcd/0x170 [ 5147.699554][ T7704] do_syscall_64+0xc6/0x1e0 [ 5147.699554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5147.699554][ T7704] [ 5147.701808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5147.701808][ T7704] netdev_get_by_index+0x5e/0x80 [ 5147.701808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5147.701808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5147.701808][ T7704] ip6_route_add+0x1c/0x140 [ 5147.701808][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5147.701808][ T7704] addrconf_add_dev+0xe2/0x170 [ 5147.701808][ T7704] inet6_addr_add+0x12f/0xa40 [ 5147.701808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5147.701808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5147.701808][ T7704] netlink_rcv_skb+0x130/0x360 [ 5147.701808][ T7704] netlink_unicast+0x449/0x710 [ 5147.701808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5147.701808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5147.701808][ T7704] ___sys_sendmsg+0xee/0x170 [ 5147.701808][ T7704] __sys_sendmsg+0xcd/0x170 [ 5147.701808][ T7704] do_syscall_64+0xc6/0x1e0 [ 5147.701808][ T7704] [ 5147.704018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5147.704018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5147.704018][ T7704] ipv6_find_idev+0x102/0x170 [ 5147.704018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5147.704018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5147.704018][ T7704] netlink_rcv_skb+0x130/0x360 [ 5147.704018][ T7704] netlink_unicast+0x449/0x710 [ 5147.704018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5147.704018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5147.704018][ T7704] ___sys_sendmsg+0xee/0x170 [ 5147.704018][ T7704] __sys_sendmsg+0xcd/0x170 [ 5147.704018][ T7704] do_syscall_64+0xc6/0x1e0 [ 5147.704018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5147.704018][ T7704] [ 5147.705751][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5147.705751][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5147.705751][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5147.705751][ T7704] ipv6_find_idev+0x102/0x170 [ 5147.705751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5147.705751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5147.705751][ T7704] netlink_rcv_skb+0x130/0x360 [ 5147.705751][ T7704] netlink_unicast+0x449/0x710 [ 5147.705751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5147.705751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5147.705751][ T7704] ___sys_sendmsg+0xee/0x170 [ 5147.705751][ T7704] __sys_sendmsg+0xcd/0x170 [ 5147.705751][ T7704] do_syscall_64+0xc6/0x1e0 [ 5147.705751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5147.705751][ T7704] [ 5157.942940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5157.943455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5157.943455][ T7704] netdev_get_by_index+0x5e/0x80 [ 5157.943455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5157.943455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5157.943455][ T7704] ip6_route_add+0x1c/0x140 [ 5157.943455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5157.943455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5157.943455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.943455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.943455][ T7704] netlink_rcv_skb+0x130/0x360 [ 5157.943455][ T7704] netlink_unicast+0x449/0x710 [ 5157.943455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5157.943455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5157.943455][ T7704] ___sys_sendmsg+0xee/0x170 [ 5157.943455][ T7704] __sys_sendmsg+0xcd/0x170 [ 5157.943455][ T7704] do_syscall_64+0xc6/0x1e0 [ 5157.943455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.943455][ T7704] [ 5157.945792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5157.945792][ T7704] netdev_get_by_index+0x5e/0x80 [ 5157.945792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5157.945792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5157.945792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5157.945792][ T7704] ipv6_add_addr+0x411/0x2000 [ 5157.945792][ T7704] inet6_addr_add+0x30e/0xa40 [ 5157.945792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.945792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.945792][ T7704] netlink_rcv_skb+0x130/0x360 [ 5157.945792][ T7704] netlink_unicast+0x449/0x710 [ 5157.945792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5157.945792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5157.945792][ T7704] ___sys_sendmsg+0xee/0x170 [ 5157.945792][ T7704] __sys_sendmsg+0xcd/0x170 [ 5157.945792][ T7704] do_syscall_64+0xc6/0x1e0 [ 5157.945792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.945792][ T7704] [ 5157.948093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5157.948093][ T7704] netdev_get_by_index+0x5e/0x80 [ 5157.948093][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5157.948093][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5157.948093][ T7704] ip6_route_add+0x1c/0x140 [ 5157.948093][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5157.948093][ T7704] addrconf_add_dev+0xe2/0x170 [ 5157.948093][ T7704] inet6_addr_add+0x12f/0xa40 [ 5157.948093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.948093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.948093][ T7704] netlink_rcv_skb+0x130/0x360 [ 5157.948093][ T7704] netlink_unicast+0x449/0x710 [ 5157.948093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5157.948093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5157.948093][ T7704] ___sys_sendmsg+0xee/0x170 [ 5157.948093][ T7704] __sys_sendmsg+0xcd/0x170 [ 5157.948093][ T7704] do_syscall_64+0xc6/0x1e0 [ 5157.948093][ T7704] [ 5157.950332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5157.950332][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5157.950332][ T7704] ipv6_find_idev+0x102/0x170 [ 5157.950332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.950332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.950332][ T7704] netlink_rcv_skb+0x130/0x360 [ 5157.950332][ T7704] netlink_unicast+0x449/0x710 [ 5157.950332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5157.950332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5157.950332][ T7704] ___sys_sendmsg+0xee/0x170 [ 5157.950332][ T7704] __sys_sendmsg+0xcd/0x170 [ 5157.950332][ T7704] do_syscall_64+0xc6/0x1e0 [ 5157.950332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.950332][ T7704] [ 5157.952088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5157.952088][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5157.952088][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5157.952088][ T7704] ipv6_find_idev+0x102/0x170 [ 5157.952088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.952088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.952088][ T7704] netlink_rcv_skb+0x130/0x360 [ 5157.952088][ T7704] netlink_unicast+0x449/0x710 [ 5157.952088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5157.952088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5157.952088][ T7704] ___sys_sendmsg+0xee/0x170 [ 5157.952088][ T7704] __sys_sendmsg+0xcd/0x170 [ 5157.952088][ T7704] do_syscall_64+0xc6/0x1e0 [ 5157.952088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.952088][ T7704] [ 5167.958936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5167.959488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5167.959488][ T7704] netdev_get_by_index+0x5e/0x80 [ 5167.959488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5167.959488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5167.959488][ T7704] ip6_route_add+0x1c/0x140 [ 5167.959488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5167.959488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5167.959488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.959488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.959488][ T7704] netlink_rcv_skb+0x130/0x360 [ 5167.959488][ T7704] netlink_unicast+0x449/0x710 [ 5167.959488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5167.959488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5167.959488][ T7704] ___sys_sendmsg+0xee/0x170 [ 5167.959488][ T7704] __sys_sendmsg+0xcd/0x170 [ 5167.959488][ T7704] do_syscall_64+0xc6/0x1e0 [ 5167.959488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.959488][ T7704] [ 5167.961785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5167.961785][ T7704] netdev_get_by_index+0x5e/0x80 [ 5167.961785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5167.961785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5167.961785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5167.961785][ T7704] ipv6_add_addr+0x411/0x2000 [ 5167.961785][ T7704] inet6_addr_add+0x30e/0xa40 [ 5167.961785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.961785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.961785][ T7704] netlink_rcv_skb+0x130/0x360 [ 5167.961785][ T7704] netlink_unicast+0x449/0x710 [ 5167.961785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5167.961785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5167.961785][ T7704] ___sys_sendmsg+0xee/0x170 [ 5167.961785][ T7704] __sys_sendmsg+0xcd/0x170 [ 5167.961785][ T7704] do_syscall_64+0xc6/0x1e0 [ 5167.961785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.961785][ T7704] [ 5167.964064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5167.964064][ T7704] netdev_get_by_index+0x5e/0x80 [ 5167.964064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5167.964064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5167.964064][ T7704] ip6_route_add+0x1c/0x140 [ 5167.964064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5167.964064][ T7704] addrconf_add_dev+0xe2/0x170 [ 5167.964064][ T7704] inet6_addr_add+0x12f/0xa40 [ 5167.964064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.964064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.964064][ T7704] netlink_rcv_skb+0x130/0x360 [ 5167.964064][ T7704] netlink_unicast+0x449/0x710 [ 5167.964064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5167.964064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5167.964064][ T7704] ___sys_sendmsg+0xee/0x170 [ 5167.964064][ T7704] __sys_sendmsg+0xcd/0x170 [ 5167.964064][ T7704] do_syscall_64+0xc6/0x1e0 [ 5167.964064][ T7704] [ 5167.966319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5167.966319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5167.966319][ T7704] ipv6_find_idev+0x102/0x170 [ 5167.966319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.966319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.966319][ T7704] netlink_rcv_skb+0x130/0x360 [ 5167.966319][ T7704] netlink_unicast+0x449/0x710 [ 5167.966319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5167.966319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5167.966319][ T7704] ___sys_sendmsg+0xee/0x170 [ 5167.966319][ T7704] __sys_sendmsg+0xcd/0x170 [ 5167.966319][ T7704] do_syscall_64+0xc6/0x1e0 [ 5167.966319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.966319][ T7704] [ 5167.968061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5167.968061][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5167.968061][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5167.968061][ T7704] ipv6_find_idev+0x102/0x170 [ 5167.968061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.968061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.968061][ T7704] netlink_rcv_skb+0x130/0x360 [ 5167.968061][ T7704] netlink_unicast+0x449/0x710 [ 5167.968061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5167.968061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5167.968061][ T7704] ___sys_sendmsg+0xee/0x170 [ 5167.968061][ T7704] __sys_sendmsg+0xcd/0x170 [ 5167.968061][ T7704] do_syscall_64+0xc6/0x1e0 [ 5167.968061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.968061][ T7704] [ 5178.166937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5178.167577][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5178.167577][ T7704] netdev_get_by_index+0x5e/0x80 [ 5178.167577][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5178.167577][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5178.167577][ T7704] ip6_route_add+0x1c/0x140 [ 5178.167577][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5178.167577][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5178.167577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5178.167577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5178.167577][ T7704] netlink_rcv_skb+0x130/0x360 [ 5178.167577][ T7704] netlink_unicast+0x449/0x710 [ 5178.167577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5178.167577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5178.167577][ T7704] ___sys_sendmsg+0xee/0x170 [ 5178.167577][ T7704] __sys_sendmsg+0xcd/0x170 [ 5178.167577][ T7704] do_syscall_64+0xc6/0x1e0 [ 5178.167577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5178.167577][ T7704] [ 5178.169892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5178.169892][ T7704] netdev_get_by_index+0x5e/0x80 [ 5178.169892][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5178.169892][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5178.169892][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5178.169892][ T7704] ipv6_add_addr+0x411/0x2000 [ 5178.169892][ T7704] inet6_addr_add+0x30e/0xa40 [ 5178.169892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5178.169892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5178.169892][ T7704] netlink_rcv_skb+0x130/0x360 [ 5178.169892][ T7704] netlink_unicast+0x449/0x710 [ 5178.169892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5178.169892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5178.169892][ T7704] ___sys_sendmsg+0xee/0x170 [ 5178.169892][ T7704] __sys_sendmsg+0xcd/0x170 [ 5178.169892][ T7704] do_syscall_64+0xc6/0x1e0 [ 5178.169892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5178.169892][ T7704] [ 5178.172227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5178.172227][ T7704] netdev_get_by_index+0x5e/0x80 [ 5178.172227][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5178.172227][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5178.172227][ T7704] ip6_route_add+0x1c/0x140 [ 5178.172227][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5178.172227][ T7704] addrconf_add_dev+0xe2/0x170 [ 5178.172227][ T7704] inet6_addr_add+0x12f/0xa40 [ 5178.172227][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5178.172227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5178.172227][ T7704] netlink_rcv_skb+0x130/0x360 [ 5178.172227][ T7704] netlink_unicast+0x449/0x710 [ 5178.172227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5178.172227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5178.172227][ T7704] ___sys_sendmsg+0xee/0x170 [ 5178.172227][ T7704] __sys_sendmsg+0xcd/0x170 [ 5178.172227][ T7704] do_syscall_64+0xc6/0x1e0 [ 5178.172227][ T7704] [ 5178.174463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5178.174463][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5178.174463][ T7704] ipv6_find_idev+0x102/0x170 [ 5178.174463][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5178.174463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5178.174463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5178.174463][ T7704] netlink_unicast+0x449/0x710 [ 5178.174463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5178.174463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5178.174463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5178.174463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5178.174463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5178.174463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5178.174463][ T7704] [ 5178.176216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5178.176216][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5178.176216][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5178.176216][ T7704] ipv6_find_idev+0x102/0x170 [ 5178.176216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5178.176216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5178.176216][ T7704] netlink_rcv_skb+0x130/0x360 [ 5178.176216][ T7704] netlink_unicast+0x449/0x710 [ 5178.176216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5178.176216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5178.176216][ T7704] ___sys_sendmsg+0xee/0x170 [ 5178.176216][ T7704] __sys_sendmsg+0xcd/0x170 [ 5178.176216][ T7704] do_syscall_64+0xc6/0x1e0 [ 5178.176216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5178.176216][ T7704] [ 5188.374928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5188.375457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5188.375457][ T7704] netdev_get_by_index+0x5e/0x80 [ 5188.375457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5188.375457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5188.375457][ T7704] ip6_route_add+0x1c/0x140 [ 5188.375457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5188.375457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5188.375457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5188.375457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5188.375457][ T7704] netlink_rcv_skb+0x130/0x360 [ 5188.375457][ T7704] netlink_unicast+0x449/0x710 [ 5188.375457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5188.375457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5188.375457][ T7704] ___sys_sendmsg+0xee/0x170 [ 5188.375457][ T7704] __sys_sendmsg+0xcd/0x170 [ 5188.375457][ T7704] do_syscall_64+0xc6/0x1e0 [ 5188.375457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5188.375457][ T7704] [ 5188.377785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5188.377785][ T7704] netdev_get_by_index+0x5e/0x80 [ 5188.377785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5188.377785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5188.377785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5188.377785][ T7704] ipv6_add_addr+0x411/0x2000 [ 5188.377785][ T7704] inet6_addr_add+0x30e/0xa40 [ 5188.377785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5188.377785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5188.377785][ T7704] netlink_rcv_skb+0x130/0x360 [ 5188.377785][ T7704] netlink_unicast+0x449/0x710 [ 5188.377785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5188.377785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5188.377785][ T7704] ___sys_sendmsg+0xee/0x170 [ 5188.377785][ T7704] __sys_sendmsg+0xcd/0x170 [ 5188.377785][ T7704] do_syscall_64+0xc6/0x1e0 [ 5188.377785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5188.377785][ T7704] [ 5188.380059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5188.380059][ T7704] netdev_get_by_index+0x5e/0x80 [ 5188.380059][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5188.380059][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5188.380059][ T7704] ip6_route_add+0x1c/0x140 [ 5188.380059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5188.380059][ T7704] addrconf_add_dev+0xe2/0x170 [ 5188.380059][ T7704] inet6_addr_add+0x12f/0xa40 [ 5188.380059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5188.380059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5188.380059][ T7704] netlink_rcv_skb+0x130/0x360 [ 5188.380059][ T7704] netlink_unicast+0x449/0x710 [ 5188.380059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5188.380059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5188.380059][ T7704] ___sys_sendmsg+0xee/0x170 [ 5188.380059][ T7704] __sys_sendmsg+0xcd/0x170 [ 5188.380059][ T7704] do_syscall_64+0xc6/0x1e0 [ 5188.380059][ T7704] [ 5188.382299][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5188.382299][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5188.382299][ T7704] ipv6_find_idev+0x102/0x170 [ 5188.382299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5188.382299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5188.382299][ T7704] netlink_rcv_skb+0x130/0x360 [ 5188.382299][ T7704] netlink_unicast+0x449/0x710 [ 5188.382299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5188.382299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5188.382299][ T7704] ___sys_sendmsg+0xee/0x170 [ 5188.382299][ T7704] __sys_sendmsg+0xcd/0x170 [ 5188.382299][ T7704] do_syscall_64+0xc6/0x1e0 [ 5188.382299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5188.382299][ T7704] [ 5188.384055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5188.384055][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5188.384055][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5188.384055][ T7704] ipv6_find_idev+0x102/0x170 [ 5188.384055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5188.384055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5188.384055][ T7704] netlink_rcv_skb+0x130/0x360 [ 5188.384055][ T7704] netlink_unicast+0x449/0x710 [ 5188.384055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5188.384055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5188.384055][ T7704] ___sys_sendmsg+0xee/0x170 [ 5188.384055][ T7704] __sys_sendmsg+0xcd/0x170 [ 5188.384055][ T7704] do_syscall_64+0xc6/0x1e0 [ 5188.384055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5188.384055][ T7704] [ 5198.422933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5198.423462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5198.423462][ T7704] netdev_get_by_index+0x5e/0x80 [ 5198.423462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5198.423462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5198.423462][ T7704] ip6_route_add+0x1c/0x140 [ 5198.423462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5198.423462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5198.423462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.423462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.423462][ T7704] netlink_rcv_skb+0x130/0x360 [ 5198.423462][ T7704] netlink_unicast+0x449/0x710 [ 5198.423462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5198.423462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5198.423462][ T7704] ___sys_sendmsg+0xee/0x170 [ 5198.423462][ T7704] __sys_sendmsg+0xcd/0x170 [ 5198.423462][ T7704] do_syscall_64+0xc6/0x1e0 [ 5198.423462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.423462][ T7704] [ 5198.425800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5198.425800][ T7704] netdev_get_by_index+0x5e/0x80 [ 5198.425800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5198.425800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5198.425800][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5198.425800][ T7704] ipv6_add_addr+0x411/0x2000 [ 5198.425800][ T7704] inet6_addr_add+0x30e/0xa40 [ 5198.425800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.425800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.425800][ T7704] netlink_rcv_skb+0x130/0x360 [ 5198.425800][ T7704] netlink_unicast+0x449/0x710 [ 5198.425800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5198.425800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5198.425800][ T7704] ___sys_sendmsg+0xee/0x170 [ 5198.425800][ T7704] __sys_sendmsg+0xcd/0x170 [ 5198.425800][ T7704] do_syscall_64+0xc6/0x1e0 [ 5198.425800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.425800][ T7704] [ 5198.428085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5198.428085][ T7704] netdev_get_by_index+0x5e/0x80 [ 5198.428085][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5198.428085][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5198.428085][ T7704] ip6_route_add+0x1c/0x140 [ 5198.428085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5198.428085][ T7704] addrconf_add_dev+0xe2/0x170 [ 5198.428085][ T7704] inet6_addr_add+0x12f/0xa40 [ 5198.428085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.428085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.428085][ T7704] netlink_rcv_skb+0x130/0x360 [ 5198.428085][ T7704] netlink_unicast+0x449/0x710 [ 5198.428085][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5198.428085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5198.428085][ T7704] ___sys_sendmsg+0xee/0x170 [ 5198.428085][ T7704] __sys_sendmsg+0xcd/0x170 [ 5198.428085][ T7704] do_syscall_64+0xc6/0x1e0 [ 5198.428085][ T7704] [ 5198.430405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5198.430405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5198.430405][ T7704] ipv6_find_idev+0x102/0x170 [ 5198.430405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.430405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.430405][ T7704] netlink_rcv_skb+0x130/0x360 [ 5198.430405][ T7704] netlink_unicast+0x449/0x710 [ 5198.430405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5198.430405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5198.430405][ T7704] ___sys_sendmsg+0xee/0x170 [ 5198.430405][ T7704] __sys_sendmsg+0xcd/0x170 [ 5198.430405][ T7704] do_syscall_64+0xc6/0x1e0 [ 5198.430405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.430405][ T7704] [ 5198.432175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5198.432175][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5198.432175][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5198.432175][ T7704] ipv6_find_idev+0x102/0x170 [ 5198.432175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.432175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.432175][ T7704] netlink_rcv_skb+0x130/0x360 [ 5198.432175][ T7704] netlink_unicast+0x449/0x710 [ 5198.432175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5198.432175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5198.432175][ T7704] ___sys_sendmsg+0xee/0x170 [ 5198.432175][ T7704] __sys_sendmsg+0xcd/0x170 [ 5198.432175][ T7704] do_syscall_64+0xc6/0x1e0 [ 5198.432175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.432175][ T7704] [ 5208.470942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5208.471483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5208.471483][ T7704] netdev_get_by_index+0x5e/0x80 [ 5208.471483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5208.471483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5208.471483][ T7704] ip6_route_add+0x1c/0x140 [ 5208.471483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5208.471483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5208.471483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.471483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.471483][ T7704] netlink_rcv_skb+0x130/0x360 [ 5208.471483][ T7704] netlink_unicast+0x449/0x710 [ 5208.471483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5208.471483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5208.471483][ T7704] ___sys_sendmsg+0xee/0x170 [ 5208.471483][ T7704] __sys_sendmsg+0xcd/0x170 [ 5208.471483][ T7704] do_syscall_64+0xc6/0x1e0 [ 5208.471483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.471483][ T7704] [ 5208.473787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5208.473787][ T7704] netdev_get_by_index+0x5e/0x80 [ 5208.473787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5208.473787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5208.473787][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5208.473787][ T7704] ipv6_add_addr+0x411/0x2000 [ 5208.473787][ T7704] inet6_addr_add+0x30e/0xa40 [ 5208.473787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.473787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.473787][ T7704] netlink_rcv_skb+0x130/0x360 [ 5208.473787][ T7704] netlink_unicast+0x449/0x710 [ 5208.473787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5208.473787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5208.473787][ T7704] ___sys_sendmsg+0xee/0x170 [ 5208.473787][ T7704] __sys_sendmsg+0xcd/0x170 [ 5208.473787][ T7704] do_syscall_64+0xc6/0x1e0 [ 5208.473787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.473787][ T7704] [ 5208.476089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5208.476089][ T7704] netdev_get_by_index+0x5e/0x80 [ 5208.476089][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5208.476089][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5208.476089][ T7704] ip6_route_add+0x1c/0x140 [ 5208.476089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5208.476089][ T7704] addrconf_add_dev+0xe2/0x170 [ 5208.476089][ T7704] inet6_addr_add+0x12f/0xa40 [ 5208.476089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.476089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.476089][ T7704] netlink_rcv_skb+0x130/0x360 [ 5208.476089][ T7704] netlink_unicast+0x449/0x710 [ 5208.476089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5208.476089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5208.476089][ T7704] ___sys_sendmsg+0xee/0x170 [ 5208.476089][ T7704] __sys_sendmsg+0xcd/0x170 [ 5208.476089][ T7704] do_syscall_64+0xc6/0x1e0 [ 5208.476089][ T7704] [ 5208.478329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5208.478329][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5208.478329][ T7704] ipv6_find_idev+0x102/0x170 [ 5208.478329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.478329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.478329][ T7704] netlink_rcv_skb+0x130/0x360 [ 5208.478329][ T7704] netlink_unicast+0x449/0x710 [ 5208.478329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5208.478329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5208.478329][ T7704] ___sys_sendmsg+0xee/0x170 [ 5208.478329][ T7704] __sys_sendmsg+0xcd/0x170 [ 5208.478329][ T7704] do_syscall_64+0xc6/0x1e0 [ 5208.478329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.478329][ T7704] [ 5208.480082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5208.480082][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5208.480082][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5208.480082][ T7704] ipv6_find_idev+0x102/0x170 [ 5208.480082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.480082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.480082][ T7704] netlink_rcv_skb+0x130/0x360 [ 5208.480082][ T7704] netlink_unicast+0x449/0x710 [ 5208.480082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5208.480082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5208.480082][ T7704] ___sys_sendmsg+0xee/0x170 [ 5208.480082][ T7704] __sys_sendmsg+0xcd/0x170 [ 5208.480082][ T7704] do_syscall_64+0xc6/0x1e0 [ 5208.480082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.480082][ T7704] [ 5218.838923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5218.839413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5218.839413][ T7704] netdev_get_by_index+0x5e/0x80 [ 5218.839413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5218.839413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5218.839413][ T7704] ip6_route_add+0x1c/0x140 [ 5218.839413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5218.839413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5218.839413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.839413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.839413][ T7704] netlink_rcv_skb+0x130/0x360 [ 5218.839413][ T7704] netlink_unicast+0x449/0x710 [ 5218.839413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5218.839413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5218.839413][ T7704] ___sys_sendmsg+0xee/0x170 [ 5218.839413][ T7704] __sys_sendmsg+0xcd/0x170 [ 5218.839413][ T7704] do_syscall_64+0xc6/0x1e0 [ 5218.839413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.839413][ T7704] [ 5218.841710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5218.841710][ T7704] netdev_get_by_index+0x5e/0x80 [ 5218.841710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5218.841710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5218.841710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5218.841710][ T7704] ipv6_add_addr+0x411/0x2000 [ 5218.841710][ T7704] inet6_addr_add+0x30e/0xa40 [ 5218.841710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.841710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.841710][ T7704] netlink_rcv_skb+0x130/0x360 [ 5218.841710][ T7704] netlink_unicast+0x449/0x710 [ 5218.841710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5218.841710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5218.841710][ T7704] ___sys_sendmsg+0xee/0x170 [ 5218.841710][ T7704] __sys_sendmsg+0xcd/0x170 [ 5218.841710][ T7704] do_syscall_64+0xc6/0x1e0 [ 5218.841710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.841710][ T7704] [ 5218.844515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5218.844515][ T7704] netdev_get_by_index+0x5e/0x80 [ 5218.844515][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5218.844515][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5218.844515][ T7704] ip6_route_add+0x1c/0x140 [ 5218.844515][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5218.844515][ T7704] addrconf_add_dev+0xe2/0x170 [ 5218.844515][ T7704] inet6_addr_add+0x12f/0xa40 [ 5218.844515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.844515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.844515][ T7704] netlink_rcv_skb+0x130/0x360 [ 5218.844515][ T7704] netlink_unicast+0x449/0x710 [ 5218.844515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5218.844515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5218.844515][ T7704] ___sys_sendmsg+0xee/0x170 [ 5218.844515][ T7704] __sys_sendmsg+0xcd/0x170 [ 5218.844515][ T7704] do_syscall_64+0xc6/0x1e0 [ 5218.844515][ T7704] [ 5218.846933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5218.846933][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5218.846933][ T7704] ipv6_find_idev+0x102/0x170 [ 5218.846933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.846933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.846933][ T7704] netlink_rcv_skb+0x130/0x360 [ 5218.846933][ T7704] netlink_unicast+0x449/0x710 [ 5218.846933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5218.846933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5218.846933][ T7704] ___sys_sendmsg+0xee/0x170 [ 5218.846933][ T7704] __sys_sendmsg+0xcd/0x170 [ 5218.846933][ T7704] do_syscall_64+0xc6/0x1e0 [ 5218.846933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.846933][ T7704] [ 5218.848693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5218.848693][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5218.848693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5218.848693][ T7704] ipv6_find_idev+0x102/0x170 [ 5218.848693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.848693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.848693][ T7704] netlink_rcv_skb+0x130/0x360 [ 5218.848693][ T7704] netlink_unicast+0x449/0x710 [ 5218.848693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5218.848693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5218.848693][ T7704] ___sys_sendmsg+0xee/0x170 [ 5218.848693][ T7704] __sys_sendmsg+0xcd/0x170 [ 5218.848693][ T7704] do_syscall_64+0xc6/0x1e0 [ 5218.848693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.848693][ T7704] [ 5229.102965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5229.103495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5229.103495][ T7704] netdev_get_by_index+0x5e/0x80 [ 5229.103495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5229.103495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5229.103495][ T7704] ip6_route_add+0x1c/0x140 [ 5229.103495][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5229.103495][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5229.103495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5229.103495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5229.103495][ T7704] netlink_rcv_skb+0x130/0x360 [ 5229.103495][ T7704] netlink_unicast+0x449/0x710 [ 5229.103495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5229.103495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5229.103495][ T7704] ___sys_sendmsg+0xee/0x170 [ 5229.103495][ T7704] __sys_sendmsg+0xcd/0x170 [ 5229.103495][ T7704] do_syscall_64+0xc6/0x1e0 [ 5229.103495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5229.103495][ T7704] [ 5229.105825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5229.105825][ T7704] netdev_get_by_index+0x5e/0x80 [ 5229.105825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5229.105825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5229.105825][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5229.105825][ T7704] ipv6_add_addr+0x411/0x2000 [ 5229.105825][ T7704] inet6_addr_add+0x30e/0xa40 [ 5229.105825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5229.105825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5229.105825][ T7704] netlink_rcv_skb+0x130/0x360 [ 5229.105825][ T7704] netlink_unicast+0x449/0x710 [ 5229.105825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5229.105825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5229.105825][ T7704] ___sys_sendmsg+0xee/0x170 [ 5229.105825][ T7704] __sys_sendmsg+0xcd/0x170 [ 5229.105825][ T7704] do_syscall_64+0xc6/0x1e0 [ 5229.105825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5229.105825][ T7704] [ 5229.108084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5229.108084][ T7704] netdev_get_by_index+0x5e/0x80 [ 5229.108084][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5229.108084][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5229.108084][ T7704] ip6_route_add+0x1c/0x140 [ 5229.108084][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5229.108084][ T7704] addrconf_add_dev+0xe2/0x170 [ 5229.108084][ T7704] inet6_addr_add+0x12f/0xa40 [ 5229.108084][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5229.108084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5229.108084][ T7704] netlink_rcv_skb+0x130/0x360 [ 5229.108084][ T7704] netlink_unicast+0x449/0x710 [ 5229.108084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5229.108084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5229.108084][ T7704] ___sys_sendmsg+0xee/0x170 [ 5229.108084][ T7704] __sys_sendmsg+0xcd/0x170 [ 5229.108084][ T7704] do_syscall_64+0xc6/0x1e0 [ 5229.108084][ T7704] [ 5229.110294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5229.110294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5229.110294][ T7704] ipv6_find_idev+0x102/0x170 [ 5229.110294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5229.110294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5229.110294][ T7704] netlink_rcv_skb+0x130/0x360 [ 5229.110294][ T7704] netlink_unicast+0x449/0x710 [ 5229.110294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5229.110294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5229.110294][ T7704] ___sys_sendmsg+0xee/0x170 [ 5229.110294][ T7704] __sys_sendmsg+0xcd/0x170 [ 5229.110294][ T7704] do_syscall_64+0xc6/0x1e0 [ 5229.110294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5229.110294][ T7704] [ 5229.112022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5229.112022][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5229.112022][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5229.112022][ T7704] ipv6_find_idev+0x102/0x170 [ 5229.112022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5229.112022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5229.112022][ T7704] netlink_rcv_skb+0x130/0x360 [ 5229.112022][ T7704] netlink_unicast+0x449/0x710 [ 5229.112022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5229.112022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5229.112022][ T7704] ___sys_sendmsg+0xee/0x170 [ 5229.112022][ T7704] __sys_sendmsg+0xcd/0x170 [ 5229.112022][ T7704] do_syscall_64+0xc6/0x1e0 [ 5229.112022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5229.112022][ T7704] [ 5239.366937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5239.367467][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5239.367467][ T7704] netdev_get_by_index+0x5e/0x80 [ 5239.367467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5239.367467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5239.367467][ T7704] ip6_route_add+0x1c/0x140 [ 5239.367467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5239.367467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5239.367467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.367467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.367467][ T7704] netlink_rcv_skb+0x130/0x360 [ 5239.367467][ T7704] netlink_unicast+0x449/0x710 [ 5239.367467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5239.367467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5239.367467][ T7704] ___sys_sendmsg+0xee/0x170 [ 5239.367467][ T7704] __sys_sendmsg+0xcd/0x170 [ 5239.367467][ T7704] do_syscall_64+0xc6/0x1e0 [ 5239.367467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.367467][ T7704] [ 5239.369743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5239.369743][ T7704] netdev_get_by_index+0x5e/0x80 [ 5239.369743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5239.369743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5239.369743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5239.369743][ T7704] ipv6_add_addr+0x411/0x2000 [ 5239.369743][ T7704] inet6_addr_add+0x30e/0xa40 [ 5239.369743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.369743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.369743][ T7704] netlink_rcv_skb+0x130/0x360 [ 5239.369743][ T7704] netlink_unicast+0x449/0x710 [ 5239.369743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5239.369743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5239.369743][ T7704] ___sys_sendmsg+0xee/0x170 [ 5239.369743][ T7704] __sys_sendmsg+0xcd/0x170 [ 5239.369743][ T7704] do_syscall_64+0xc6/0x1e0 [ 5239.369743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.369743][ T7704] [ 5239.372007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5239.372007][ T7704] netdev_get_by_index+0x5e/0x80 [ 5239.372007][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5239.372007][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5239.372007][ T7704] ip6_route_add+0x1c/0x140 [ 5239.372007][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5239.372007][ T7704] addrconf_add_dev+0xe2/0x170 [ 5239.372007][ T7704] inet6_addr_add+0x12f/0xa40 [ 5239.372007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.372007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.372007][ T7704] netlink_rcv_skb+0x130/0x360 [ 5239.372007][ T7704] netlink_unicast+0x449/0x710 [ 5239.372007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5239.372007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5239.372007][ T7704] ___sys_sendmsg+0xee/0x170 [ 5239.372007][ T7704] __sys_sendmsg+0xcd/0x170 [ 5239.372007][ T7704] do_syscall_64+0xc6/0x1e0 [ 5239.372007][ T7704] [ 5239.374223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5239.374223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5239.374223][ T7704] ipv6_find_idev+0x102/0x170 [ 5239.374223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.374223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.374223][ T7704] netlink_rcv_skb+0x130/0x360 [ 5239.374223][ T7704] netlink_unicast+0x449/0x710 [ 5239.374223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5239.374223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5239.374223][ T7704] ___sys_sendmsg+0xee/0x170 [ 5239.374223][ T7704] __sys_sendmsg+0xcd/0x170 [ 5239.374223][ T7704] do_syscall_64+0xc6/0x1e0 [ 5239.374223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.374223][ T7704] [ 5239.375987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5239.375987][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5239.375987][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5239.375987][ T7704] ipv6_find_idev+0x102/0x170 [ 5239.375987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.375987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.375987][ T7704] netlink_rcv_skb+0x130/0x360 [ 5239.375987][ T7704] netlink_unicast+0x449/0x710 [ 5239.375987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5239.375987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5239.375987][ T7704] ___sys_sendmsg+0xee/0x170 [ 5239.375987][ T7704] __sys_sendmsg+0xcd/0x170 [ 5239.375987][ T7704] do_syscall_64+0xc6/0x1e0 [ 5239.375987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.375987][ T7704] [ 5249.630936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5249.631430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5249.631430][ T7704] netdev_get_by_index+0x5e/0x80 [ 5249.631430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5249.631430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5249.631430][ T7704] ip6_route_add+0x1c/0x140 [ 5249.631430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5249.631430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5249.631430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.631430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.631430][ T7704] netlink_rcv_skb+0x130/0x360 [ 5249.631430][ T7704] netlink_unicast+0x449/0x710 [ 5249.631430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5249.631430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5249.631430][ T7704] ___sys_sendmsg+0xee/0x170 [ 5249.631430][ T7704] __sys_sendmsg+0xcd/0x170 [ 5249.631430][ T7704] do_syscall_64+0xc6/0x1e0 [ 5249.631430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.631430][ T7704] [ 5249.633731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5249.633731][ T7704] netdev_get_by_index+0x5e/0x80 [ 5249.633731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5249.633731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5249.633731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5249.633731][ T7704] ipv6_add_addr+0x411/0x2000 [ 5249.633731][ T7704] inet6_addr_add+0x30e/0xa40 [ 5249.633731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.633731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.633731][ T7704] netlink_rcv_skb+0x130/0x360 [ 5249.633731][ T7704] netlink_unicast+0x449/0x710 [ 5249.633731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5249.633731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5249.633731][ T7704] ___sys_sendmsg+0xee/0x170 [ 5249.633731][ T7704] __sys_sendmsg+0xcd/0x170 [ 5249.633731][ T7704] do_syscall_64+0xc6/0x1e0 [ 5249.633731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.633731][ T7704] [ 5249.635991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5249.635991][ T7704] netdev_get_by_index+0x5e/0x80 [ 5249.635991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5249.635991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5249.635991][ T7704] ip6_route_add+0x1c/0x140 [ 5249.635991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5249.635991][ T7704] addrconf_add_dev+0xe2/0x170 [ 5249.635991][ T7704] inet6_addr_add+0x12f/0xa40 [ 5249.635991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.635991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.635991][ T7704] netlink_rcv_skb+0x130/0x360 [ 5249.635991][ T7704] netlink_unicast+0x449/0x710 [ 5249.635991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5249.635991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5249.635991][ T7704] ___sys_sendmsg+0xee/0x170 [ 5249.635991][ T7704] __sys_sendmsg+0xcd/0x170 [ 5249.635991][ T7704] do_syscall_64+0xc6/0x1e0 [ 5249.635991][ T7704] [ 5249.638218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5249.638218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5249.638218][ T7704] ipv6_find_idev+0x102/0x170 [ 5249.638218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.638218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.638218][ T7704] netlink_rcv_skb+0x130/0x360 [ 5249.638218][ T7704] netlink_unicast+0x449/0x710 [ 5249.638218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5249.638218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5249.638218][ T7704] ___sys_sendmsg+0xee/0x170 [ 5249.638218][ T7704] __sys_sendmsg+0xcd/0x170 [ 5249.638218][ T7704] do_syscall_64+0xc6/0x1e0 [ 5249.638218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.638218][ T7704] [ 5249.639949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5249.639949][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5249.639949][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5249.639949][ T7704] ipv6_find_idev+0x102/0x170 [ 5249.639949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.639949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.639949][ T7704] netlink_rcv_skb+0x130/0x360 [ 5249.639949][ T7704] netlink_unicast+0x449/0x710 [ 5249.639949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5249.639949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5249.639949][ T7704] ___sys_sendmsg+0xee/0x170 [ 5249.639949][ T7704] __sys_sendmsg+0xcd/0x170 [ 5249.639949][ T7704] do_syscall_64+0xc6/0x1e0 [ 5249.639949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.639949][ T7704] [ 5259.894958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5259.895464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5259.895464][ T7704] netdev_get_by_index+0x5e/0x80 [ 5259.895464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5259.895464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5259.895464][ T7704] ip6_route_add+0x1c/0x140 [ 5259.895464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5259.895464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5259.895464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.895464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.895464][ T7704] netlink_rcv_skb+0x130/0x360 [ 5259.895464][ T7704] netlink_unicast+0x449/0x710 [ 5259.895464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5259.895464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5259.895464][ T7704] ___sys_sendmsg+0xee/0x170 [ 5259.895464][ T7704] __sys_sendmsg+0xcd/0x170 [ 5259.895464][ T7704] do_syscall_64+0xc6/0x1e0 [ 5259.895464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.895464][ T7704] [ 5259.897775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5259.897775][ T7704] netdev_get_by_index+0x5e/0x80 [ 5259.897775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5259.897775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5259.897775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5259.897775][ T7704] ipv6_add_addr+0x411/0x2000 [ 5259.897775][ T7704] inet6_addr_add+0x30e/0xa40 [ 5259.897775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.897775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.897775][ T7704] netlink_rcv_skb+0x130/0x360 [ 5259.897775][ T7704] netlink_unicast+0x449/0x710 [ 5259.897775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5259.897775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5259.897775][ T7704] ___sys_sendmsg+0xee/0x170 [ 5259.897775][ T7704] __sys_sendmsg+0xcd/0x170 [ 5259.897775][ T7704] do_syscall_64+0xc6/0x1e0 [ 5259.897775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.897775][ T7704] [ 5259.900035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5259.900035][ T7704] netdev_get_by_index+0x5e/0x80 [ 5259.900035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5259.900035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5259.900035][ T7704] ip6_route_add+0x1c/0x140 [ 5259.900035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5259.900035][ T7704] addrconf_add_dev+0xe2/0x170 [ 5259.900035][ T7704] inet6_addr_add+0x12f/0xa40 [ 5259.900035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.900035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.900035][ T7704] netlink_rcv_skb+0x130/0x360 [ 5259.900035][ T7704] netlink_unicast+0x449/0x710 [ 5259.900035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5259.900035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5259.900035][ T7704] ___sys_sendmsg+0xee/0x170 [ 5259.900035][ T7704] __sys_sendmsg+0xcd/0x170 [ 5259.900035][ T7704] do_syscall_64+0xc6/0x1e0 [ 5259.900035][ T7704] [ 5259.902247][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5259.902247][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5259.902247][ T7704] ipv6_find_idev+0x102/0x170 [ 5259.902247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.902247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.902247][ T7704] netlink_rcv_skb+0x130/0x360 [ 5259.902247][ T7704] netlink_unicast+0x449/0x710 [ 5259.902247][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5259.902247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5259.902247][ T7704] ___sys_sendmsg+0xee/0x170 [ 5259.902247][ T7704] __sys_sendmsg+0xcd/0x170 [ 5259.902247][ T7704] do_syscall_64+0xc6/0x1e0 [ 5259.902247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.902247][ T7704] [ 5259.903973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5259.903973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5259.903973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5259.903973][ T7704] ipv6_find_idev+0x102/0x170 [ 5259.903973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.903973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.903973][ T7704] netlink_rcv_skb+0x130/0x360 [ 5259.903973][ T7704] netlink_unicast+0x449/0x710 [ 5259.903973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5259.903973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5259.903973][ T7704] ___sys_sendmsg+0xee/0x170 [ 5259.903973][ T7704] __sys_sendmsg+0xcd/0x170 [ 5259.903973][ T7704] do_syscall_64+0xc6/0x1e0 [ 5259.903973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.903973][ T7704] [ 5270.158948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5270.159444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5270.159444][ T7704] netdev_get_by_index+0x5e/0x80 [ 5270.159444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5270.159444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5270.159444][ T7704] ip6_route_add+0x1c/0x140 [ 5270.159444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5270.159444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5270.159444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.159444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.159444][ T7704] netlink_rcv_skb+0x130/0x360 [ 5270.159444][ T7704] netlink_unicast+0x449/0x710 [ 5270.159444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5270.159444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5270.159444][ T7704] ___sys_sendmsg+0xee/0x170 [ 5270.159444][ T7704] __sys_sendmsg+0xcd/0x170 [ 5270.159444][ T7704] do_syscall_64+0xc6/0x1e0 [ 5270.159444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.159444][ T7704] [ 5270.161737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5270.161737][ T7704] netdev_get_by_index+0x5e/0x80 [ 5270.161737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5270.161737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5270.161737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5270.161737][ T7704] ipv6_add_addr+0x411/0x2000 [ 5270.161737][ T7704] inet6_addr_add+0x30e/0xa40 [ 5270.161737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.161737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.161737][ T7704] netlink_rcv_skb+0x130/0x360 [ 5270.161737][ T7704] netlink_unicast+0x449/0x710 [ 5270.161737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5270.161737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5270.161737][ T7704] ___sys_sendmsg+0xee/0x170 [ 5270.161737][ T7704] __sys_sendmsg+0xcd/0x170 [ 5270.161737][ T7704] do_syscall_64+0xc6/0x1e0 [ 5270.161737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.161737][ T7704] [ 5270.163996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5270.163996][ T7704] netdev_get_by_index+0x5e/0x80 [ 5270.163996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5270.163996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5270.163996][ T7704] ip6_route_add+0x1c/0x140 [ 5270.163996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5270.163996][ T7704] addrconf_add_dev+0xe2/0x170 [ 5270.163996][ T7704] inet6_addr_add+0x12f/0xa40 [ 5270.163996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.163996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.163996][ T7704] netlink_rcv_skb+0x130/0x360 [ 5270.163996][ T7704] netlink_unicast+0x449/0x710 [ 5270.163996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5270.163996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5270.163996][ T7704] ___sys_sendmsg+0xee/0x170 [ 5270.163996][ T7704] __sys_sendmsg+0xcd/0x170 [ 5270.163996][ T7704] do_syscall_64+0xc6/0x1e0 [ 5270.163996][ T7704] [ 5270.166229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5270.166229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5270.166229][ T7704] ipv6_find_idev+0x102/0x170 [ 5270.166229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.166229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.166229][ T7704] netlink_rcv_skb+0x130/0x360 [ 5270.166229][ T7704] netlink_unicast+0x449/0x710 [ 5270.166229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5270.166229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5270.166229][ T7704] ___sys_sendmsg+0xee/0x170 [ 5270.166229][ T7704] __sys_sendmsg+0xcd/0x170 [ 5270.166229][ T7704] do_syscall_64+0xc6/0x1e0 [ 5270.166229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.166229][ T7704] [ 5270.168050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5270.168050][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5270.168050][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5270.168050][ T7704] ipv6_find_idev+0x102/0x170 [ 5270.168050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.168050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.168050][ T7704] netlink_rcv_skb+0x130/0x360 [ 5270.168050][ T7704] netlink_unicast+0x449/0x710 [ 5270.168050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5270.168050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5270.168050][ T7704] ___sys_sendmsg+0xee/0x170 [ 5270.168050][ T7704] __sys_sendmsg+0xcd/0x170 [ 5270.168050][ T7704] do_syscall_64+0xc6/0x1e0 [ 5270.168050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.168050][ T7704] [ 5280.422936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5280.423463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5280.423463][ T7704] netdev_get_by_index+0x5e/0x80 [ 5280.423463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5280.423463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5280.423463][ T7704] ip6_route_add+0x1c/0x140 [ 5280.423463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5280.423463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5280.423463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.423463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.423463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5280.423463][ T7704] netlink_unicast+0x449/0x710 [ 5280.423463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5280.423463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5280.423463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5280.423463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5280.423463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5280.423463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.423463][ T7704] [ 5280.425741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5280.425741][ T7704] netdev_get_by_index+0x5e/0x80 [ 5280.425741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5280.425741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5280.425741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5280.425741][ T7704] ipv6_add_addr+0x411/0x2000 [ 5280.425741][ T7704] inet6_addr_add+0x30e/0xa40 [ 5280.425741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.425741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.425741][ T7704] netlink_rcv_skb+0x130/0x360 [ 5280.425741][ T7704] netlink_unicast+0x449/0x710 [ 5280.425741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5280.425741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5280.425741][ T7704] ___sys_sendmsg+0xee/0x170 [ 5280.425741][ T7704] __sys_sendmsg+0xcd/0x170 [ 5280.425741][ T7704] do_syscall_64+0xc6/0x1e0 [ 5280.425741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.425741][ T7704] [ 5280.427987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5280.427987][ T7704] netdev_get_by_index+0x5e/0x80 [ 5280.427987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5280.427987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5280.427987][ T7704] ip6_route_add+0x1c/0x140 [ 5280.427987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5280.427987][ T7704] addrconf_add_dev+0xe2/0x170 [ 5280.427987][ T7704] inet6_addr_add+0x12f/0xa40 [ 5280.427987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.427987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.427987][ T7704] netlink_rcv_skb+0x130/0x360 [ 5280.427987][ T7704] netlink_unicast+0x449/0x710 [ 5280.427987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5280.427987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5280.427987][ T7704] ___sys_sendmsg+0xee/0x170 [ 5280.427987][ T7704] __sys_sendmsg+0xcd/0x170 [ 5280.427987][ T7704] do_syscall_64+0xc6/0x1e0 [ 5280.427987][ T7704] [ 5280.430198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5280.430198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5280.430198][ T7704] ipv6_find_idev+0x102/0x170 [ 5280.430198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.430198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.430198][ T7704] netlink_rcv_skb+0x130/0x360 [ 5280.430198][ T7704] netlink_unicast+0x449/0x710 [ 5280.430198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5280.430198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5280.430198][ T7704] ___sys_sendmsg+0xee/0x170 [ 5280.430198][ T7704] __sys_sendmsg+0xcd/0x170 [ 5280.430198][ T7704] do_syscall_64+0xc6/0x1e0 [ 5280.430198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.430198][ T7704] [ 5280.432075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5280.432075][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5280.432075][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5280.432075][ T7704] ipv6_find_idev+0x102/0x170 [ 5280.432075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.432075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.432075][ T7704] netlink_rcv_skb+0x130/0x360 [ 5280.432075][ T7704] netlink_unicast+0x449/0x710 [ 5280.432075][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5280.432075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5280.432075][ T7704] ___sys_sendmsg+0xee/0x170 [ 5280.432075][ T7704] __sys_sendmsg+0xcd/0x170 [ 5280.432075][ T7704] do_syscall_64+0xc6/0x1e0 [ 5280.432075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.432075][ T7704] [ 5290.686932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5290.687459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5290.687459][ T7704] netdev_get_by_index+0x5e/0x80 [ 5290.687459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5290.687459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5290.687459][ T7704] ip6_route_add+0x1c/0x140 [ 5290.687459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5290.687459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5290.687459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.687459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.687459][ T7704] netlink_rcv_skb+0x130/0x360 [ 5290.687459][ T7704] netlink_unicast+0x449/0x710 [ 5290.687459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5290.687459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5290.687459][ T7704] ___sys_sendmsg+0xee/0x170 [ 5290.687459][ T7704] __sys_sendmsg+0xcd/0x170 [ 5290.687459][ T7704] do_syscall_64+0xc6/0x1e0 [ 5290.687459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.687459][ T7704] [ 5290.689748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5290.689748][ T7704] netdev_get_by_index+0x5e/0x80 [ 5290.689748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5290.689748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5290.689748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5290.689748][ T7704] ipv6_add_addr+0x411/0x2000 [ 5290.689748][ T7704] inet6_addr_add+0x30e/0xa40 [ 5290.689748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.689748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.689748][ T7704] netlink_rcv_skb+0x130/0x360 [ 5290.689748][ T7704] netlink_unicast+0x449/0x710 [ 5290.689748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5290.689748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5290.689748][ T7704] ___sys_sendmsg+0xee/0x170 [ 5290.689748][ T7704] __sys_sendmsg+0xcd/0x170 [ 5290.689748][ T7704] do_syscall_64+0xc6/0x1e0 [ 5290.689748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.689748][ T7704] [ 5290.692003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5290.692003][ T7704] netdev_get_by_index+0x5e/0x80 [ 5290.692003][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5290.692003][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5290.692003][ T7704] ip6_route_add+0x1c/0x140 [ 5290.692003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5290.692003][ T7704] addrconf_add_dev+0xe2/0x170 [ 5290.692003][ T7704] inet6_addr_add+0x12f/0xa40 [ 5290.692003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.692003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.692003][ T7704] netlink_rcv_skb+0x130/0x360 [ 5290.692003][ T7704] netlink_unicast+0x449/0x710 [ 5290.692003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5290.692003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5290.692003][ T7704] ___sys_sendmsg+0xee/0x170 [ 5290.692003][ T7704] __sys_sendmsg+0xcd/0x170 [ 5290.692003][ T7704] do_syscall_64+0xc6/0x1e0 [ 5290.692003][ T7704] [ 5290.694237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5290.694237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5290.694237][ T7704] ipv6_find_idev+0x102/0x170 [ 5290.694237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.694237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.694237][ T7704] netlink_rcv_skb+0x130/0x360 [ 5290.694237][ T7704] netlink_unicast+0x449/0x710 [ 5290.694237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5290.694237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5290.694237][ T7704] ___sys_sendmsg+0xee/0x170 [ 5290.694237][ T7704] __sys_sendmsg+0xcd/0x170 [ 5290.694237][ T7704] do_syscall_64+0xc6/0x1e0 [ 5290.694237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.694237][ T7704] [ 5290.700792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5290.700792][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5290.700792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5290.700792][ T7704] ipv6_find_idev+0x102/0x170 [ 5290.700792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.700792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.700792][ T7704] netlink_rcv_skb+0x130/0x360 [ 5290.700792][ T7704] netlink_unicast+0x449/0x710 [ 5290.700792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5290.700792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5290.700792][ T7704] ___sys_sendmsg+0xee/0x170 [ 5290.700792][ T7704] __sys_sendmsg+0xcd/0x170 [ 5290.700792][ T7704] do_syscall_64+0xc6/0x1e0 [ 5290.700792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.700792][ T7704] [ 5300.950937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5300.951465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5300.951465][ T7704] netdev_get_by_index+0x5e/0x80 [ 5300.951465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5300.951465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5300.951465][ T7704] ip6_route_add+0x1c/0x140 [ 5300.951465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5300.951465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5300.951465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.951465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.951465][ T7704] netlink_rcv_skb+0x130/0x360 [ 5300.951465][ T7704] netlink_unicast+0x449/0x710 [ 5300.951465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5300.951465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5300.951465][ T7704] ___sys_sendmsg+0xee/0x170 [ 5300.951465][ T7704] __sys_sendmsg+0xcd/0x170 [ 5300.951465][ T7704] do_syscall_64+0xc6/0x1e0 [ 5300.951465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.951465][ T7704] [ 5300.953806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5300.953806][ T7704] netdev_get_by_index+0x5e/0x80 [ 5300.953806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5300.953806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5300.953806][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5300.953806][ T7704] ipv6_add_addr+0x411/0x2000 [ 5300.953806][ T7704] inet6_addr_add+0x30e/0xa40 [ 5300.953806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.953806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.953806][ T7704] netlink_rcv_skb+0x130/0x360 [ 5300.953806][ T7704] netlink_unicast+0x449/0x710 [ 5300.953806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5300.953806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5300.953806][ T7704] ___sys_sendmsg+0xee/0x170 [ 5300.953806][ T7704] __sys_sendmsg+0xcd/0x170 [ 5300.953806][ T7704] do_syscall_64+0xc6/0x1e0 [ 5300.953806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.953806][ T7704] [ 5300.956082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5300.956082][ T7704] netdev_get_by_index+0x5e/0x80 [ 5300.956082][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5300.956082][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5300.956082][ T7704] ip6_route_add+0x1c/0x140 [ 5300.956082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5300.956082][ T7704] addrconf_add_dev+0xe2/0x170 [ 5300.956082][ T7704] inet6_addr_add+0x12f/0xa40 [ 5300.956082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.956082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.956082][ T7704] netlink_rcv_skb+0x130/0x360 [ 5300.956082][ T7704] netlink_unicast+0x449/0x710 [ 5300.956082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5300.956082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5300.956082][ T7704] ___sys_sendmsg+0xee/0x170 [ 5300.956082][ T7704] __sys_sendmsg+0xcd/0x170 [ 5300.956082][ T7704] do_syscall_64+0xc6/0x1e0 [ 5300.956082][ T7704] [ 5300.958300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5300.958300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5300.958300][ T7704] ipv6_find_idev+0x102/0x170 [ 5300.958300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.958300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.958300][ T7704] netlink_rcv_skb+0x130/0x360 [ 5300.958300][ T7704] netlink_unicast+0x449/0x710 [ 5300.958300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5300.958300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5300.958300][ T7704] ___sys_sendmsg+0xee/0x170 [ 5300.958300][ T7704] __sys_sendmsg+0xcd/0x170 [ 5300.958300][ T7704] do_syscall_64+0xc6/0x1e0 [ 5300.958300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.958300][ T7704] [ 5300.960042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5300.960042][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5300.960042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5300.960042][ T7704] ipv6_find_idev+0x102/0x170 [ 5300.960042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.960042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.960042][ T7704] netlink_rcv_skb+0x130/0x360 [ 5300.960042][ T7704] netlink_unicast+0x449/0x710 [ 5300.960042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5300.960042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5300.960042][ T7704] ___sys_sendmsg+0xee/0x170 [ 5300.960042][ T7704] __sys_sendmsg+0xcd/0x170 [ 5300.960042][ T7704] do_syscall_64+0xc6/0x1e0 [ 5300.960042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.960042][ T7704] [ 5311.214879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5311.215401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5311.215401][ T7704] netdev_get_by_index+0x5e/0x80 [ 5311.215401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5311.215401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5311.215401][ T7704] ip6_route_add+0x1c/0x140 [ 5311.215401][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5311.215401][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5311.215401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5311.215401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5311.215401][ T7704] netlink_rcv_skb+0x130/0x360 [ 5311.215401][ T7704] netlink_unicast+0x449/0x710 [ 5311.215401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5311.215401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5311.215401][ T7704] ___sys_sendmsg+0xee/0x170 [ 5311.215401][ T7704] __sys_sendmsg+0xcd/0x170 [ 5311.215401][ T7704] do_syscall_64+0xc6/0x1e0 [ 5311.215401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5311.215401][ T7704] [ 5311.217702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5311.217702][ T7704] netdev_get_by_index+0x5e/0x80 [ 5311.217702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5311.217702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5311.217702][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5311.217702][ T7704] ipv6_add_addr+0x411/0x2000 [ 5311.217702][ T7704] inet6_addr_add+0x30e/0xa40 [ 5311.217702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5311.217702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5311.217702][ T7704] netlink_rcv_skb+0x130/0x360 [ 5311.217702][ T7704] netlink_unicast+0x449/0x710 [ 5311.217702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5311.217702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5311.217702][ T7704] ___sys_sendmsg+0xee/0x170 [ 5311.217702][ T7704] __sys_sendmsg+0xcd/0x170 [ 5311.217702][ T7704] do_syscall_64+0xc6/0x1e0 [ 5311.217702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5311.217702][ T7704] [ 5311.219960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5311.219960][ T7704] netdev_get_by_index+0x5e/0x80 [ 5311.219960][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5311.219960][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5311.219960][ T7704] ip6_route_add+0x1c/0x140 [ 5311.219960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5311.219960][ T7704] addrconf_add_dev+0xe2/0x170 [ 5311.219960][ T7704] inet6_addr_add+0x12f/0xa40 [ 5311.219960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5311.219960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5311.219960][ T7704] netlink_rcv_skb+0x130/0x360 [ 5311.219960][ T7704] netlink_unicast+0x449/0x710 [ 5311.219960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5311.219960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5311.219960][ T7704] ___sys_sendmsg+0xee/0x170 [ 5311.219960][ T7704] __sys_sendmsg+0xcd/0x170 [ 5311.219960][ T7704] do_syscall_64+0xc6/0x1e0 [ 5311.219960][ T7704] [ 5311.222177][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5311.222177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5311.222177][ T7704] ipv6_find_idev+0x102/0x170 [ 5311.222177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5311.222177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5311.222177][ T7704] netlink_rcv_skb+0x130/0x360 [ 5311.222177][ T7704] netlink_unicast+0x449/0x710 [ 5311.222177][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5311.222177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5311.222177][ T7704] ___sys_sendmsg+0xee/0x170 [ 5311.222177][ T7704] __sys_sendmsg+0xcd/0x170 [ 5311.222177][ T7704] do_syscall_64+0xc6/0x1e0 [ 5311.222177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5311.222177][ T7704] [ 5311.223919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5311.223919][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5311.223919][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5311.223919][ T7704] ipv6_find_idev+0x102/0x170 [ 5311.223919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5311.223919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5311.223919][ T7704] netlink_rcv_skb+0x130/0x360 [ 5311.223919][ T7704] netlink_unicast+0x449/0x710 [ 5311.223919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5311.223919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5311.223919][ T7704] ___sys_sendmsg+0xee/0x170 [ 5311.223919][ T7704] __sys_sendmsg+0xcd/0x170 [ 5311.223919][ T7704] do_syscall_64+0xc6/0x1e0 [ 5311.223919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5311.223919][ T7704] [ 5321.478957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5321.479426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5321.479426][ T7704] netdev_get_by_index+0x5e/0x80 [ 5321.479426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5321.479426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5321.479426][ T7704] ip6_route_add+0x1c/0x140 [ 5321.479426][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5321.479426][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5321.479426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.479426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.479426][ T7704] netlink_rcv_skb+0x130/0x360 [ 5321.479426][ T7704] netlink_unicast+0x449/0x710 [ 5321.479426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5321.479426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5321.479426][ T7704] ___sys_sendmsg+0xee/0x170 [ 5321.479426][ T7704] __sys_sendmsg+0xcd/0x170 [ 5321.479426][ T7704] do_syscall_64+0xc6/0x1e0 [ 5321.479426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.479426][ T7704] [ 5321.481681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5321.481681][ T7704] netdev_get_by_index+0x5e/0x80 [ 5321.481681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5321.481681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5321.481681][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5321.481681][ T7704] ipv6_add_addr+0x411/0x2000 [ 5321.481681][ T7704] inet6_addr_add+0x30e/0xa40 [ 5321.481681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.481681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.481681][ T7704] netlink_rcv_skb+0x130/0x360 [ 5321.481681][ T7704] netlink_unicast+0x449/0x710 [ 5321.481681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5321.481681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5321.481681][ T7704] ___sys_sendmsg+0xee/0x170 [ 5321.481681][ T7704] __sys_sendmsg+0xcd/0x170 [ 5321.481681][ T7704] do_syscall_64+0xc6/0x1e0 [ 5321.481681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.481681][ T7704] [ 5321.483922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5321.483922][ T7704] netdev_get_by_index+0x5e/0x80 [ 5321.483922][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5321.483922][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5321.483922][ T7704] ip6_route_add+0x1c/0x140 [ 5321.483922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5321.483922][ T7704] addrconf_add_dev+0xe2/0x170 [ 5321.483922][ T7704] inet6_addr_add+0x12f/0xa40 [ 5321.483922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.483922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.483922][ T7704] netlink_rcv_skb+0x130/0x360 [ 5321.483922][ T7704] netlink_unicast+0x449/0x710 [ 5321.483922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5321.483922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5321.483922][ T7704] ___sys_sendmsg+0xee/0x170 [ 5321.483922][ T7704] __sys_sendmsg+0xcd/0x170 [ 5321.483922][ T7704] do_syscall_64+0xc6/0x1e0 [ 5321.483922][ T7704] [ 5321.486221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5321.486221][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5321.486221][ T7704] ipv6_find_idev+0x102/0x170 [ 5321.486221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.486221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.486221][ T7704] netlink_rcv_skb+0x130/0x360 [ 5321.486221][ T7704] netlink_unicast+0x449/0x710 [ 5321.486221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5321.486221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5321.486221][ T7704] ___sys_sendmsg+0xee/0x170 [ 5321.486221][ T7704] __sys_sendmsg+0xcd/0x170 [ 5321.486221][ T7704] do_syscall_64+0xc6/0x1e0 [ 5321.486221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.486221][ T7704] [ 5321.487951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5321.487951][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5321.487951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5321.487951][ T7704] ipv6_find_idev+0x102/0x170 [ 5321.487951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.487951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.487951][ T7704] netlink_rcv_skb+0x130/0x360 [ 5321.487951][ T7704] netlink_unicast+0x449/0x710 [ 5321.487951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5321.487951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5321.487951][ T7704] ___sys_sendmsg+0xee/0x170 [ 5321.487951][ T7704] __sys_sendmsg+0xcd/0x170 [ 5321.487951][ T7704] do_syscall_64+0xc6/0x1e0 [ 5321.487951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.487951][ T7704] [ 5331.742937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5331.743448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5331.743448][ T7704] netdev_get_by_index+0x5e/0x80 [ 5331.743448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5331.743448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5331.743448][ T7704] ip6_route_add+0x1c/0x140 [ 5331.743448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5331.743448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5331.743448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.743448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.743448][ T7704] netlink_rcv_skb+0x130/0x360 [ 5331.743448][ T7704] netlink_unicast+0x449/0x710 [ 5331.743448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5331.743448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5331.743448][ T7704] ___sys_sendmsg+0xee/0x170 [ 5331.743448][ T7704] __sys_sendmsg+0xcd/0x170 [ 5331.743448][ T7704] do_syscall_64+0xc6/0x1e0 [ 5331.743448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.743448][ T7704] [ 5331.745707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5331.745707][ T7704] netdev_get_by_index+0x5e/0x80 [ 5331.745707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5331.745707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5331.745707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5331.745707][ T7704] ipv6_add_addr+0x411/0x2000 [ 5331.745707][ T7704] inet6_addr_add+0x30e/0xa40 [ 5331.745707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.745707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.745707][ T7704] netlink_rcv_skb+0x130/0x360 [ 5331.745707][ T7704] netlink_unicast+0x449/0x710 [ 5331.745707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5331.745707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5331.745707][ T7704] ___sys_sendmsg+0xee/0x170 [ 5331.745707][ T7704] __sys_sendmsg+0xcd/0x170 [ 5331.745707][ T7704] do_syscall_64+0xc6/0x1e0 [ 5331.745707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.745707][ T7704] [ 5331.747928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5331.747928][ T7704] netdev_get_by_index+0x5e/0x80 [ 5331.747928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5331.747928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5331.747928][ T7704] ip6_route_add+0x1c/0x140 [ 5331.747928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5331.747928][ T7704] addrconf_add_dev+0xe2/0x170 [ 5331.747928][ T7704] inet6_addr_add+0x12f/0xa40 [ 5331.747928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.747928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.747928][ T7704] netlink_rcv_skb+0x130/0x360 [ 5331.747928][ T7704] netlink_unicast+0x449/0x710 [ 5331.747928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5331.747928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5331.747928][ T7704] ___sys_sendmsg+0xee/0x170 [ 5331.747928][ T7704] __sys_sendmsg+0xcd/0x170 [ 5331.747928][ T7704] do_syscall_64+0xc6/0x1e0 [ 5331.747928][ T7704] [ 5331.750116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5331.750116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5331.750116][ T7704] ipv6_find_idev+0x102/0x170 [ 5331.750116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.750116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.750116][ T7704] netlink_rcv_skb+0x130/0x360 [ 5331.750116][ T7704] netlink_unicast+0x449/0x710 [ 5331.750116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5331.750116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5331.750116][ T7704] ___sys_sendmsg+0xee/0x170 [ 5331.750116][ T7704] __sys_sendmsg+0xcd/0x170 [ 5331.750116][ T7704] do_syscall_64+0xc6/0x1e0 [ 5331.750116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.750116][ T7704] [ 5331.751823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5331.751823][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5331.751823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5331.751823][ T7704] ipv6_find_idev+0x102/0x170 [ 5331.751823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.751823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.751823][ T7704] netlink_rcv_skb+0x130/0x360 [ 5331.751823][ T7704] netlink_unicast+0x449/0x710 [ 5331.751823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5331.751823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5331.751823][ T7704] ___sys_sendmsg+0xee/0x170 [ 5331.751823][ T7704] __sys_sendmsg+0xcd/0x170 [ 5331.751823][ T7704] do_syscall_64+0xc6/0x1e0 [ 5331.751823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.751823][ T7704] [ 5341.999012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5341.999555][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5341.999555][ T7704] netdev_get_by_index+0x5e/0x80 [ 5341.999555][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5341.999555][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5341.999555][ T7704] ip6_route_add+0x1c/0x140 [ 5341.999555][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5341.999555][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5341.999555][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.999555][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.999555][ T7704] netlink_rcv_skb+0x130/0x360 [ 5341.999555][ T7704] netlink_unicast+0x449/0x710 [ 5341.999555][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5341.999555][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5341.999555][ T7704] ___sys_sendmsg+0xee/0x170 [ 5341.999555][ T7704] __sys_sendmsg+0xcd/0x170 [ 5341.999555][ T7704] do_syscall_64+0xc6/0x1e0 [ 5341.999555][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.999555][ T7704] [ 5342.001840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5342.001840][ T7704] netdev_get_by_index+0x5e/0x80 [ 5342.001840][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5342.001840][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5342.001840][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5342.001840][ T7704] ipv6_add_addr+0x411/0x2000 [ 5342.001840][ T7704] inet6_addr_add+0x30e/0xa40 [ 5342.001840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5342.001840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.001840][ T7704] netlink_rcv_skb+0x130/0x360 [ 5342.001840][ T7704] netlink_unicast+0x449/0x710 [ 5342.001840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5342.001840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5342.001840][ T7704] ___sys_sendmsg+0xee/0x170 [ 5342.001840][ T7704] __sys_sendmsg+0xcd/0x170 [ 5342.001840][ T7704] do_syscall_64+0xc6/0x1e0 [ 5342.001840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.001840][ T7704] [ 5342.004103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5342.004103][ T7704] netdev_get_by_index+0x5e/0x80 [ 5342.004103][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5342.004103][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5342.004103][ T7704] ip6_route_add+0x1c/0x140 [ 5342.004103][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5342.004103][ T7704] addrconf_add_dev+0xe2/0x170 [ 5342.004103][ T7704] inet6_addr_add+0x12f/0xa40 [ 5342.004103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5342.004103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.004103][ T7704] netlink_rcv_skb+0x130/0x360 [ 5342.004103][ T7704] netlink_unicast+0x449/0x710 [ 5342.004103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5342.004103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5342.004103][ T7704] ___sys_sendmsg+0xee/0x170 [ 5342.004103][ T7704] __sys_sendmsg+0xcd/0x170 [ 5342.004103][ T7704] do_syscall_64+0xc6/0x1e0 [ 5342.004103][ T7704] [ 5342.006338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5342.006338][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5342.006338][ T7704] ipv6_find_idev+0x102/0x170 [ 5342.006338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5342.006338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.006338][ T7704] netlink_rcv_skb+0x130/0x360 [ 5342.006338][ T7704] netlink_unicast+0x449/0x710 [ 5342.006338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5342.006338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5342.006338][ T7704] ___sys_sendmsg+0xee/0x170 [ 5342.006338][ T7704] __sys_sendmsg+0xcd/0x170 [ 5342.006338][ T7704] do_syscall_64+0xc6/0x1e0 [ 5342.006338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.006338][ T7704] [ 5342.008074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5342.008074][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5342.008074][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5342.008074][ T7704] ipv6_find_idev+0x102/0x170 [ 5342.008074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5342.008074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.008074][ T7704] netlink_rcv_skb+0x130/0x360 [ 5342.008074][ T7704] netlink_unicast+0x449/0x710 [ 5342.008074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5342.008074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5342.008074][ T7704] ___sys_sendmsg+0xee/0x170 [ 5342.008074][ T7704] __sys_sendmsg+0xcd/0x170 [ 5342.008074][ T7704] do_syscall_64+0xc6/0x1e0 [ 5342.008074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.008074][ T7704] [ 5352.262953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5352.263484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5352.263484][ T7704] netdev_get_by_index+0x5e/0x80 [ 5352.263484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5352.263484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5352.263484][ T7704] ip6_route_add+0x1c/0x140 [ 5352.263484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5352.263484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5352.263484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5352.263484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5352.263484][ T7704] netlink_rcv_skb+0x130/0x360 [ 5352.263484][ T7704] netlink_unicast+0x449/0x710 [ 5352.263484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5352.263484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5352.263484][ T7704] ___sys_sendmsg+0xee/0x170 [ 5352.263484][ T7704] __sys_sendmsg+0xcd/0x170 [ 5352.263484][ T7704] do_syscall_64+0xc6/0x1e0 [ 5352.263484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5352.263484][ T7704] [ 5352.265794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5352.265794][ T7704] netdev_get_by_index+0x5e/0x80 [ 5352.265794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5352.265794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5352.265794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5352.265794][ T7704] ipv6_add_addr+0x411/0x2000 [ 5352.265794][ T7704] inet6_addr_add+0x30e/0xa40 [ 5352.265794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5352.265794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5352.265794][ T7704] netlink_rcv_skb+0x130/0x360 [ 5352.265794][ T7704] netlink_unicast+0x449/0x710 [ 5352.265794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5352.265794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5352.265794][ T7704] ___sys_sendmsg+0xee/0x170 [ 5352.265794][ T7704] __sys_sendmsg+0xcd/0x170 [ 5352.265794][ T7704] do_syscall_64+0xc6/0x1e0 [ 5352.265794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5352.265794][ T7704] [ 5352.268065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5352.268065][ T7704] netdev_get_by_index+0x5e/0x80 [ 5352.268065][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5352.268065][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5352.268065][ T7704] ip6_route_add+0x1c/0x140 [ 5352.268065][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5352.268065][ T7704] addrconf_add_dev+0xe2/0x170 [ 5352.268065][ T7704] inet6_addr_add+0x12f/0xa40 [ 5352.268065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5352.268065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5352.268065][ T7704] netlink_rcv_skb+0x130/0x360 [ 5352.268065][ T7704] netlink_unicast+0x449/0x710 [ 5352.268065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5352.268065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5352.268065][ T7704] ___sys_sendmsg+0xee/0x170 [ 5352.268065][ T7704] __sys_sendmsg+0xcd/0x170 [ 5352.268065][ T7704] do_syscall_64+0xc6/0x1e0 [ 5352.268065][ T7704] [ 5352.270285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5352.270285][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5352.270285][ T7704] ipv6_find_idev+0x102/0x170 [ 5352.270285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5352.270285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5352.270285][ T7704] netlink_rcv_skb+0x130/0x360 [ 5352.270285][ T7704] netlink_unicast+0x449/0x710 [ 5352.270285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5352.270285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5352.270285][ T7704] ___sys_sendmsg+0xee/0x170 [ 5352.270285][ T7704] __sys_sendmsg+0xcd/0x170 [ 5352.270285][ T7704] do_syscall_64+0xc6/0x1e0 [ 5352.270285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5352.270285][ T7704] [ 5352.272026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5352.272026][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5352.272026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5352.272026][ T7704] ipv6_find_idev+0x102/0x170 [ 5352.272026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5352.272026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5352.272026][ T7704] netlink_rcv_skb+0x130/0x360 [ 5352.272026][ T7704] netlink_unicast+0x449/0x710 [ 5352.272026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5352.272026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5352.272026][ T7704] ___sys_sendmsg+0xee/0x170 [ 5352.272026][ T7704] __sys_sendmsg+0xcd/0x170 [ 5352.272026][ T7704] do_syscall_64+0xc6/0x1e0 [ 5352.272026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5352.272026][ T7704] [ 5362.430963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5362.431436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5362.431436][ T7704] netdev_get_by_index+0x5e/0x80 [ 5362.431436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5362.431436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5362.431436][ T7704] ip6_route_add+0x1c/0x140 [ 5362.431436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5362.431436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5362.431436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.431436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.431436][ T7704] netlink_rcv_skb+0x130/0x360 [ 5362.431436][ T7704] netlink_unicast+0x449/0x710 [ 5362.431436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5362.431436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5362.431436][ T7704] ___sys_sendmsg+0xee/0x170 [ 5362.431436][ T7704] __sys_sendmsg+0xcd/0x170 [ 5362.431436][ T7704] do_syscall_64+0xc6/0x1e0 [ 5362.431436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.431436][ T7704] [ 5362.433719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5362.433719][ T7704] netdev_get_by_index+0x5e/0x80 [ 5362.433719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5362.433719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5362.433719][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5362.433719][ T7704] ipv6_add_addr+0x411/0x2000 [ 5362.433719][ T7704] inet6_addr_add+0x30e/0xa40 [ 5362.433719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.433719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.433719][ T7704] netlink_rcv_skb+0x130/0x360 [ 5362.433719][ T7704] netlink_unicast+0x449/0x710 [ 5362.433719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5362.433719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5362.433719][ T7704] ___sys_sendmsg+0xee/0x170 [ 5362.433719][ T7704] __sys_sendmsg+0xcd/0x170 [ 5362.433719][ T7704] do_syscall_64+0xc6/0x1e0 [ 5362.433719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.433719][ T7704] [ 5362.435965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5362.435965][ T7704] netdev_get_by_index+0x5e/0x80 [ 5362.435965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5362.435965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5362.435965][ T7704] ip6_route_add+0x1c/0x140 [ 5362.435965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5362.435965][ T7704] addrconf_add_dev+0xe2/0x170 [ 5362.435965][ T7704] inet6_addr_add+0x12f/0xa40 [ 5362.435965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.435965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.435965][ T7704] netlink_rcv_skb+0x130/0x360 [ 5362.435965][ T7704] netlink_unicast+0x449/0x710 [ 5362.435965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5362.435965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5362.435965][ T7704] ___sys_sendmsg+0xee/0x170 [ 5362.435965][ T7704] __sys_sendmsg+0xcd/0x170 [ 5362.435965][ T7704] do_syscall_64+0xc6/0x1e0 [ 5362.435965][ T7704] [ 5362.438172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5362.438172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5362.438172][ T7704] ipv6_find_idev+0x102/0x170 [ 5362.438172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.438172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.438172][ T7704] netlink_rcv_skb+0x130/0x360 [ 5362.438172][ T7704] netlink_unicast+0x449/0x710 [ 5362.438172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5362.438172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5362.438172][ T7704] ___sys_sendmsg+0xee/0x170 [ 5362.438172][ T7704] __sys_sendmsg+0xcd/0x170 [ 5362.438172][ T7704] do_syscall_64+0xc6/0x1e0 [ 5362.438172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.438172][ T7704] [ 5362.439901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5362.439901][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5362.439901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5362.439901][ T7704] ipv6_find_idev+0x102/0x170 [ 5362.439901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.439901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.439901][ T7704] netlink_rcv_skb+0x130/0x360 [ 5362.439901][ T7704] netlink_unicast+0x449/0x710 [ 5362.439901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5362.439901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5362.439901][ T7704] ___sys_sendmsg+0xee/0x170 [ 5362.439901][ T7704] __sys_sendmsg+0xcd/0x170 [ 5362.439901][ T7704] do_syscall_64+0xc6/0x1e0 [ 5362.439901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.439901][ T7704] [ 5372.678870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5372.679381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5372.679381][ T7704] netdev_get_by_index+0x5e/0x80 [ 5372.679381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5372.679381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5372.679381][ T7704] ip6_route_add+0x1c/0x140 [ 5372.679381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5372.679381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5372.679381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.679381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.679381][ T7704] netlink_rcv_skb+0x130/0x360 [ 5372.679381][ T7704] netlink_unicast+0x449/0x710 [ 5372.679381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5372.679381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5372.679381][ T7704] ___sys_sendmsg+0xee/0x170 [ 5372.679381][ T7704] __sys_sendmsg+0xcd/0x170 [ 5372.679381][ T7704] do_syscall_64+0xc6/0x1e0 [ 5372.679381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.679381][ T7704] [ 5372.681661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5372.681661][ T7704] netdev_get_by_index+0x5e/0x80 [ 5372.681661][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5372.681661][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5372.681661][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5372.681661][ T7704] ipv6_add_addr+0x411/0x2000 [ 5372.681661][ T7704] inet6_addr_add+0x30e/0xa40 [ 5372.681661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.681661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.681661][ T7704] netlink_rcv_skb+0x130/0x360 [ 5372.681661][ T7704] netlink_unicast+0x449/0x710 [ 5372.681661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5372.681661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5372.681661][ T7704] ___sys_sendmsg+0xee/0x170 [ 5372.681661][ T7704] __sys_sendmsg+0xcd/0x170 [ 5372.681661][ T7704] do_syscall_64+0xc6/0x1e0 [ 5372.681661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.681661][ T7704] [ 5372.683902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5372.683902][ T7704] netdev_get_by_index+0x5e/0x80 [ 5372.683902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5372.683902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5372.683902][ T7704] ip6_route_add+0x1c/0x140 [ 5372.683902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5372.683902][ T7704] addrconf_add_dev+0xe2/0x170 [ 5372.683902][ T7704] inet6_addr_add+0x12f/0xa40 [ 5372.683902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.683902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.683902][ T7704] netlink_rcv_skb+0x130/0x360 [ 5372.683902][ T7704] netlink_unicast+0x449/0x710 [ 5372.683902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5372.683902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5372.683902][ T7704] ___sys_sendmsg+0xee/0x170 [ 5372.683902][ T7704] __sys_sendmsg+0xcd/0x170 [ 5372.683902][ T7704] do_syscall_64+0xc6/0x1e0 [ 5372.683902][ T7704] [ 5372.686639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5372.686639][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5372.686639][ T7704] ipv6_find_idev+0x102/0x170 [ 5372.686639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.686639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.686639][ T7704] netlink_rcv_skb+0x130/0x360 [ 5372.686639][ T7704] netlink_unicast+0x449/0x710 [ 5372.686639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5372.686639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5372.686639][ T7704] ___sys_sendmsg+0xee/0x170 [ 5372.686639][ T7704] __sys_sendmsg+0xcd/0x170 [ 5372.686639][ T7704] do_syscall_64+0xc6/0x1e0 [ 5372.686639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.686639][ T7704] [ 5372.690802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5372.690802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5372.690802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5372.690802][ T7704] ipv6_find_idev+0x102/0x170 [ 5372.690802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.690802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.690802][ T7704] netlink_rcv_skb+0x130/0x360 [ 5372.690802][ T7704] netlink_unicast+0x449/0x710 [ 5372.690802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5372.690802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5372.690802][ T7704] ___sys_sendmsg+0xee/0x170 [ 5372.690802][ T7704] __sys_sendmsg+0xcd/0x170 [ 5372.690802][ T7704] do_syscall_64+0xc6/0x1e0 [ 5372.690802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.690802][ T7704] [ 5382.934875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5382.935407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5382.935407][ T7704] netdev_get_by_index+0x5e/0x80 [ 5382.935407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5382.935407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5382.935407][ T7704] ip6_route_add+0x1c/0x140 [ 5382.935407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5382.935407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5382.935407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.935407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.935407][ T7704] netlink_rcv_skb+0x130/0x360 [ 5382.935407][ T7704] netlink_unicast+0x449/0x710 [ 5382.935407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5382.935407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5382.935407][ T7704] ___sys_sendmsg+0xee/0x170 [ 5382.935407][ T7704] __sys_sendmsg+0xcd/0x170 [ 5382.935407][ T7704] do_syscall_64+0xc6/0x1e0 [ 5382.935407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.935407][ T7704] [ 5382.937668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5382.937668][ T7704] netdev_get_by_index+0x5e/0x80 [ 5382.937668][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5382.937668][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5382.937668][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5382.937668][ T7704] ipv6_add_addr+0x411/0x2000 [ 5382.937668][ T7704] inet6_addr_add+0x30e/0xa40 [ 5382.937668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.937668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.937668][ T7704] netlink_rcv_skb+0x130/0x360 [ 5382.937668][ T7704] netlink_unicast+0x449/0x710 [ 5382.937668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5382.937668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5382.937668][ T7704] ___sys_sendmsg+0xee/0x170 [ 5382.937668][ T7704] __sys_sendmsg+0xcd/0x170 [ 5382.937668][ T7704] do_syscall_64+0xc6/0x1e0 [ 5382.937668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.937668][ T7704] [ 5382.939924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5382.939924][ T7704] netdev_get_by_index+0x5e/0x80 [ 5382.939924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5382.939924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5382.939924][ T7704] ip6_route_add+0x1c/0x140 [ 5382.939924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5382.939924][ T7704] addrconf_add_dev+0xe2/0x170 [ 5382.939924][ T7704] inet6_addr_add+0x12f/0xa40 [ 5382.939924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.939924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.939924][ T7704] netlink_rcv_skb+0x130/0x360 [ 5382.939924][ T7704] netlink_unicast+0x449/0x710 [ 5382.939924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5382.939924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5382.939924][ T7704] ___sys_sendmsg+0xee/0x170 [ 5382.939924][ T7704] __sys_sendmsg+0xcd/0x170 [ 5382.939924][ T7704] do_syscall_64+0xc6/0x1e0 [ 5382.939924][ T7704] [ 5382.942131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5382.942131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5382.942131][ T7704] ipv6_find_idev+0x102/0x170 [ 5382.942131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.942131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.942131][ T7704] netlink_rcv_skb+0x130/0x360 [ 5382.942131][ T7704] netlink_unicast+0x449/0x710 [ 5382.942131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5382.942131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5382.942131][ T7704] ___sys_sendmsg+0xee/0x170 [ 5382.942131][ T7704] __sys_sendmsg+0xcd/0x170 [ 5382.942131][ T7704] do_syscall_64+0xc6/0x1e0 [ 5382.942131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.942131][ T7704] [ 5382.943867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5382.943867][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5382.943867][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5382.943867][ T7704] ipv6_find_idev+0x102/0x170 [ 5382.943867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.943867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.943867][ T7704] netlink_rcv_skb+0x130/0x360 [ 5382.943867][ T7704] netlink_unicast+0x449/0x710 [ 5382.943867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5382.943867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5382.943867][ T7704] ___sys_sendmsg+0xee/0x170 [ 5382.943867][ T7704] __sys_sendmsg+0xcd/0x170 [ 5382.943867][ T7704] do_syscall_64+0xc6/0x1e0 [ 5382.943867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.943867][ T7704] [ 5393.182950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5393.183484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5393.183484][ T7704] netdev_get_by_index+0x5e/0x80 [ 5393.183484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5393.183484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5393.183484][ T7704] ip6_route_add+0x1c/0x140 [ 5393.183484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5393.183484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5393.183484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5393.183484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5393.183484][ T7704] netlink_rcv_skb+0x130/0x360 [ 5393.183484][ T7704] netlink_unicast+0x449/0x710 [ 5393.183484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5393.183484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5393.183484][ T7704] ___sys_sendmsg+0xee/0x170 [ 5393.183484][ T7704] __sys_sendmsg+0xcd/0x170 [ 5393.183484][ T7704] do_syscall_64+0xc6/0x1e0 [ 5393.183484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5393.183484][ T7704] [ 5393.185753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5393.185753][ T7704] netdev_get_by_index+0x5e/0x80 [ 5393.185753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5393.185753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5393.185753][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5393.185753][ T7704] ipv6_add_addr+0x411/0x2000 [ 5393.185753][ T7704] inet6_addr_add+0x30e/0xa40 [ 5393.185753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5393.185753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5393.185753][ T7704] netlink_rcv_skb+0x130/0x360 [ 5393.185753][ T7704] netlink_unicast+0x449/0x710 [ 5393.185753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5393.185753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5393.185753][ T7704] ___sys_sendmsg+0xee/0x170 [ 5393.185753][ T7704] __sys_sendmsg+0xcd/0x170 [ 5393.185753][ T7704] do_syscall_64+0xc6/0x1e0 [ 5393.185753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5393.185753][ T7704] [ 5393.188009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5393.188009][ T7704] netdev_get_by_index+0x5e/0x80 [ 5393.188009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5393.188009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5393.188009][ T7704] ip6_route_add+0x1c/0x140 [ 5393.188009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5393.188009][ T7704] addrconf_add_dev+0xe2/0x170 [ 5393.188009][ T7704] inet6_addr_add+0x12f/0xa40 [ 5393.188009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5393.188009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5393.188009][ T7704] netlink_rcv_skb+0x130/0x360 [ 5393.188009][ T7704] netlink_unicast+0x449/0x710 [ 5393.188009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5393.188009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5393.188009][ T7704] ___sys_sendmsg+0xee/0x170 [ 5393.188009][ T7704] __sys_sendmsg+0xcd/0x170 [ 5393.188009][ T7704] do_syscall_64+0xc6/0x1e0 [ 5393.188009][ T7704] [ 5393.190229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5393.190229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5393.190229][ T7704] ipv6_find_idev+0x102/0x170 [ 5393.190229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5393.190229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5393.190229][ T7704] netlink_rcv_skb+0x130/0x360 [ 5393.190229][ T7704] netlink_unicast+0x449/0x710 [ 5393.190229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5393.190229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5393.190229][ T7704] ___sys_sendmsg+0xee/0x170 [ 5393.190229][ T7704] __sys_sendmsg+0xcd/0x170 [ 5393.190229][ T7704] do_syscall_64+0xc6/0x1e0 [ 5393.190229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5393.190229][ T7704] [ 5393.191946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5393.191946][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5393.191946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5393.191946][ T7704] ipv6_find_idev+0x102/0x170 [ 5393.191946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5393.191946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5393.191946][ T7704] netlink_rcv_skb+0x130/0x360 [ 5393.191946][ T7704] netlink_unicast+0x449/0x710 [ 5393.191946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5393.191946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5393.191946][ T7704] ___sys_sendmsg+0xee/0x170 [ 5393.191946][ T7704] __sys_sendmsg+0xcd/0x170 [ 5393.191946][ T7704] do_syscall_64+0xc6/0x1e0 [ 5393.191946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5393.191946][ T7704] [ 5403.430933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5403.431415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5403.431415][ T7704] netdev_get_by_index+0x5e/0x80 [ 5403.431415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5403.431415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5403.431415][ T7704] ip6_route_add+0x1c/0x140 [ 5403.431415][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5403.431415][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5403.431415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.431415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.431415][ T7704] netlink_rcv_skb+0x130/0x360 [ 5403.431415][ T7704] netlink_unicast+0x449/0x710 [ 5403.431415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5403.431415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5403.431415][ T7704] ___sys_sendmsg+0xee/0x170 [ 5403.431415][ T7704] __sys_sendmsg+0xcd/0x170 [ 5403.431415][ T7704] do_syscall_64+0xc6/0x1e0 [ 5403.431415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.431415][ T7704] [ 5403.433672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5403.433672][ T7704] netdev_get_by_index+0x5e/0x80 [ 5403.433672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5403.433672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5403.433672][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5403.433672][ T7704] ipv6_add_addr+0x411/0x2000 [ 5403.433672][ T7704] inet6_addr_add+0x30e/0xa40 [ 5403.433672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.433672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.433672][ T7704] netlink_rcv_skb+0x130/0x360 [ 5403.433672][ T7704] netlink_unicast+0x449/0x710 [ 5403.433672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5403.433672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5403.433672][ T7704] ___sys_sendmsg+0xee/0x170 [ 5403.433672][ T7704] __sys_sendmsg+0xcd/0x170 [ 5403.433672][ T7704] do_syscall_64+0xc6/0x1e0 [ 5403.433672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.433672][ T7704] [ 5403.435906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5403.435906][ T7704] netdev_get_by_index+0x5e/0x80 [ 5403.435906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5403.435906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5403.435906][ T7704] ip6_route_add+0x1c/0x140 [ 5403.435906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5403.435906][ T7704] addrconf_add_dev+0xe2/0x170 [ 5403.435906][ T7704] inet6_addr_add+0x12f/0xa40 [ 5403.435906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.435906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.435906][ T7704] netlink_rcv_skb+0x130/0x360 [ 5403.435906][ T7704] netlink_unicast+0x449/0x710 [ 5403.435906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5403.435906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5403.435906][ T7704] ___sys_sendmsg+0xee/0x170 [ 5403.435906][ T7704] __sys_sendmsg+0xcd/0x170 [ 5403.435906][ T7704] do_syscall_64+0xc6/0x1e0 [ 5403.435906][ T7704] [ 5403.438099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5403.438099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5403.438099][ T7704] ipv6_find_idev+0x102/0x170 [ 5403.438099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.438099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.438099][ T7704] netlink_rcv_skb+0x130/0x360 [ 5403.438099][ T7704] netlink_unicast+0x449/0x710 [ 5403.438099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5403.438099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5403.438099][ T7704] ___sys_sendmsg+0xee/0x170 [ 5403.438099][ T7704] __sys_sendmsg+0xcd/0x170 [ 5403.438099][ T7704] do_syscall_64+0xc6/0x1e0 [ 5403.438099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.438099][ T7704] [ 5403.439809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5403.439809][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5403.439809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5403.439809][ T7704] ipv6_find_idev+0x102/0x170 [ 5403.439809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.439809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.439809][ T7704] netlink_rcv_skb+0x130/0x360 [ 5403.439809][ T7704] netlink_unicast+0x449/0x710 [ 5403.439809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5403.439809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5403.439809][ T7704] ___sys_sendmsg+0xee/0x170 [ 5403.439809][ T7704] __sys_sendmsg+0xcd/0x170 [ 5403.439809][ T7704] do_syscall_64+0xc6/0x1e0 [ 5403.439809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.439809][ T7704] [ 5413.678946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5413.679464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5413.679464][ T7704] netdev_get_by_index+0x5e/0x80 [ 5413.679464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5413.679464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5413.679464][ T7704] ip6_route_add+0x1c/0x140 [ 5413.679464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5413.679464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5413.679464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.679464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.679464][ T7704] netlink_rcv_skb+0x130/0x360 [ 5413.679464][ T7704] netlink_unicast+0x449/0x710 [ 5413.679464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5413.679464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5413.679464][ T7704] ___sys_sendmsg+0xee/0x170 [ 5413.679464][ T7704] __sys_sendmsg+0xcd/0x170 [ 5413.679464][ T7704] do_syscall_64+0xc6/0x1e0 [ 5413.679464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.679464][ T7704] [ 5413.681750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5413.681750][ T7704] netdev_get_by_index+0x5e/0x80 [ 5413.681750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5413.681750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5413.681750][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5413.681750][ T7704] ipv6_add_addr+0x411/0x2000 [ 5413.681750][ T7704] inet6_addr_add+0x30e/0xa40 [ 5413.681750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.681750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.681750][ T7704] netlink_rcv_skb+0x130/0x360 [ 5413.681750][ T7704] netlink_unicast+0x449/0x710 [ 5413.681750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5413.681750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5413.681750][ T7704] ___sys_sendmsg+0xee/0x170 [ 5413.681750][ T7704] __sys_sendmsg+0xcd/0x170 [ 5413.681750][ T7704] do_syscall_64+0xc6/0x1e0 [ 5413.681750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.681750][ T7704] [ 5413.683985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5413.683985][ T7704] netdev_get_by_index+0x5e/0x80 [ 5413.683985][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5413.683985][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5413.683985][ T7704] ip6_route_add+0x1c/0x140 [ 5413.683985][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5413.683985][ T7704] addrconf_add_dev+0xe2/0x170 [ 5413.683985][ T7704] inet6_addr_add+0x12f/0xa40 [ 5413.683985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.683985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.683985][ T7704] netlink_rcv_skb+0x130/0x360 [ 5413.683985][ T7704] netlink_unicast+0x449/0x710 [ 5413.683985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5413.683985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5413.683985][ T7704] ___sys_sendmsg+0xee/0x170 [ 5413.683985][ T7704] __sys_sendmsg+0xcd/0x170 [ 5413.683985][ T7704] do_syscall_64+0xc6/0x1e0 [ 5413.683985][ T7704] [ 5413.686191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5413.686191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5413.686191][ T7704] ipv6_find_idev+0x102/0x170 [ 5413.686191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.686191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.686191][ T7704] netlink_rcv_skb+0x130/0x360 [ 5413.686191][ T7704] netlink_unicast+0x449/0x710 [ 5413.686191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5413.686191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5413.686191][ T7704] ___sys_sendmsg+0xee/0x170 [ 5413.686191][ T7704] __sys_sendmsg+0xcd/0x170 [ 5413.686191][ T7704] do_syscall_64+0xc6/0x1e0 [ 5413.686191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.686191][ T7704] [ 5413.687908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5413.687908][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5413.687908][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5413.687908][ T7704] ipv6_find_idev+0x102/0x170 [ 5413.687908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.687908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.687908][ T7704] netlink_rcv_skb+0x130/0x360 [ 5413.687908][ T7704] netlink_unicast+0x449/0x710 [ 5413.687908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5413.687908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5413.687908][ T7704] ___sys_sendmsg+0xee/0x170 [ 5413.687908][ T7704] __sys_sendmsg+0xcd/0x170 [ 5413.687908][ T7704] do_syscall_64+0xc6/0x1e0 [ 5413.687908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.687908][ T7704] [ 5423.926945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5423.927471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5423.927471][ T7704] netdev_get_by_index+0x5e/0x80 [ 5423.927471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5423.927471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5423.927471][ T7704] ip6_route_add+0x1c/0x140 [ 5423.927471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5423.927471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5423.927471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.927471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.927471][ T7704] netlink_rcv_skb+0x130/0x360 [ 5423.927471][ T7704] netlink_unicast+0x449/0x710 [ 5423.927471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5423.927471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5423.927471][ T7704] ___sys_sendmsg+0xee/0x170 [ 5423.927471][ T7704] __sys_sendmsg+0xcd/0x170 [ 5423.927471][ T7704] do_syscall_64+0xc6/0x1e0 [ 5423.927471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.927471][ T7704] [ 5423.929762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5423.929762][ T7704] netdev_get_by_index+0x5e/0x80 [ 5423.929762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5423.929762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5423.929762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5423.929762][ T7704] ipv6_add_addr+0x411/0x2000 [ 5423.929762][ T7704] inet6_addr_add+0x30e/0xa40 [ 5423.929762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.929762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.929762][ T7704] netlink_rcv_skb+0x130/0x360 [ 5423.929762][ T7704] netlink_unicast+0x449/0x710 [ 5423.929762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5423.929762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5423.929762][ T7704] ___sys_sendmsg+0xee/0x170 [ 5423.929762][ T7704] __sys_sendmsg+0xcd/0x170 [ 5423.929762][ T7704] do_syscall_64+0xc6/0x1e0 [ 5423.929762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.929762][ T7704] [ 5423.932009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5423.932009][ T7704] netdev_get_by_index+0x5e/0x80 [ 5423.932009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5423.932009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5423.932009][ T7704] ip6_route_add+0x1c/0x140 [ 5423.932009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5423.932009][ T7704] addrconf_add_dev+0xe2/0x170 [ 5423.932009][ T7704] inet6_addr_add+0x12f/0xa40 [ 5423.932009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.932009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.932009][ T7704] netlink_rcv_skb+0x130/0x360 [ 5423.932009][ T7704] netlink_unicast+0x449/0x710 [ 5423.932009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5423.932009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5423.932009][ T7704] ___sys_sendmsg+0xee/0x170 [ 5423.932009][ T7704] __sys_sendmsg+0xcd/0x170 [ 5423.932009][ T7704] do_syscall_64+0xc6/0x1e0 [ 5423.932009][ T7704] [ 5423.934210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5423.934210][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5423.934210][ T7704] ipv6_find_idev+0x102/0x170 [ 5423.934210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.934210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.934210][ T7704] netlink_rcv_skb+0x130/0x360 [ 5423.934210][ T7704] netlink_unicast+0x449/0x710 [ 5423.934210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5423.934210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5423.934210][ T7704] ___sys_sendmsg+0xee/0x170 [ 5423.934210][ T7704] __sys_sendmsg+0xcd/0x170 [ 5423.934210][ T7704] do_syscall_64+0xc6/0x1e0 [ 5423.934210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.934210][ T7704] [ 5423.935925][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5423.935925][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5423.935925][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5423.935925][ T7704] ipv6_find_idev+0x102/0x170 [ 5423.935925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.935925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.935925][ T7704] netlink_rcv_skb+0x130/0x360 [ 5423.935925][ T7704] netlink_unicast+0x449/0x710 [ 5423.935925][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5423.935925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5423.935925][ T7704] ___sys_sendmsg+0xee/0x170 [ 5423.935925][ T7704] __sys_sendmsg+0xcd/0x170 [ 5423.935925][ T7704] do_syscall_64+0xc6/0x1e0 [ 5423.935925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.935925][ T7704] [ 5433.958946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5433.959444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5433.959444][ T7704] netdev_get_by_index+0x5e/0x80 [ 5433.959444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5433.959444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5433.959444][ T7704] ip6_route_add+0x1c/0x140 [ 5433.959444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5433.959444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5433.959444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.959444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.959444][ T7704] netlink_rcv_skb+0x130/0x360 [ 5433.959444][ T7704] netlink_unicast+0x449/0x710 [ 5433.959444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5433.959444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5433.959444][ T7704] ___sys_sendmsg+0xee/0x170 [ 5433.959444][ T7704] __sys_sendmsg+0xcd/0x170 [ 5433.959444][ T7704] do_syscall_64+0xc6/0x1e0 [ 5433.959444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.959444][ T7704] [ 5433.961712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5433.961712][ T7704] netdev_get_by_index+0x5e/0x80 [ 5433.961712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5433.961712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5433.961712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5433.961712][ T7704] ipv6_add_addr+0x411/0x2000 [ 5433.961712][ T7704] inet6_addr_add+0x30e/0xa40 [ 5433.961712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.961712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.961712][ T7704] netlink_rcv_skb+0x130/0x360 [ 5433.961712][ T7704] netlink_unicast+0x449/0x710 [ 5433.961712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5433.961712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5433.961712][ T7704] ___sys_sendmsg+0xee/0x170 [ 5433.961712][ T7704] __sys_sendmsg+0xcd/0x170 [ 5433.961712][ T7704] do_syscall_64+0xc6/0x1e0 [ 5433.961712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.961712][ T7704] [ 5433.963947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5433.963947][ T7704] netdev_get_by_index+0x5e/0x80 [ 5433.963947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5433.963947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5433.963947][ T7704] ip6_route_add+0x1c/0x140 [ 5433.963947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.963947][ T7704] addrconf_add_dev+0xe2/0x170 [ 5433.963947][ T7704] inet6_addr_add+0x12f/0xa40 [ 5433.963947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.963947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.963947][ T7704] netlink_rcv_skb+0x130/0x360 [ 5433.963947][ T7704] netlink_unicast+0x449/0x710 [ 5433.963947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5433.963947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5433.963947][ T7704] ___sys_sendmsg+0xee/0x170 [ 5433.963947][ T7704] __sys_sendmsg+0xcd/0x170 [ 5433.963947][ T7704] do_syscall_64+0xc6/0x1e0 [ 5433.963947][ T7704] [ 5433.966158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5433.966158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5433.966158][ T7704] ipv6_find_idev+0x102/0x170 [ 5433.966158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.966158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.966158][ T7704] netlink_rcv_skb+0x130/0x360 [ 5433.966158][ T7704] netlink_unicast+0x449/0x710 [ 5433.966158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5433.966158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5433.966158][ T7704] ___sys_sendmsg+0xee/0x170 [ 5433.966158][ T7704] __sys_sendmsg+0xcd/0x170 [ 5433.966158][ T7704] do_syscall_64+0xc6/0x1e0 [ 5433.966158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.966158][ T7704] [ 5433.967876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5433.967876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5433.967876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5433.967876][ T7704] ipv6_find_idev+0x102/0x170 [ 5433.967876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.967876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.967876][ T7704] netlink_rcv_skb+0x130/0x360 [ 5433.967876][ T7704] netlink_unicast+0x449/0x710 [ 5433.967876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5433.967876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5433.967876][ T7704] ___sys_sendmsg+0xee/0x170 [ 5433.967876][ T7704] __sys_sendmsg+0xcd/0x170 [ 5433.967876][ T7704] do_syscall_64+0xc6/0x1e0 [ 5433.967876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.967876][ T7704] [ 5444.206930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5444.207430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5444.207430][ T7704] netdev_get_by_index+0x5e/0x80 [ 5444.207430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5444.207430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5444.207430][ T7704] ip6_route_add+0x1c/0x140 [ 5444.207430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5444.207430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5444.207430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.207430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.207430][ T7704] netlink_rcv_skb+0x130/0x360 [ 5444.207430][ T7704] netlink_unicast+0x449/0x710 [ 5444.207430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5444.207430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5444.207430][ T7704] ___sys_sendmsg+0xee/0x170 [ 5444.207430][ T7704] __sys_sendmsg+0xcd/0x170 [ 5444.207430][ T7704] do_syscall_64+0xc6/0x1e0 [ 5444.207430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.207430][ T7704] [ 5444.209706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5444.209706][ T7704] netdev_get_by_index+0x5e/0x80 [ 5444.209706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5444.209706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5444.209706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5444.209706][ T7704] ipv6_add_addr+0x411/0x2000 [ 5444.209706][ T7704] inet6_addr_add+0x30e/0xa40 [ 5444.209706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.209706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.209706][ T7704] netlink_rcv_skb+0x130/0x360 [ 5444.209706][ T7704] netlink_unicast+0x449/0x710 [ 5444.209706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5444.209706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5444.209706][ T7704] ___sys_sendmsg+0xee/0x170 [ 5444.209706][ T7704] __sys_sendmsg+0xcd/0x170 [ 5444.209706][ T7704] do_syscall_64+0xc6/0x1e0 [ 5444.209706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.209706][ T7704] [ 5444.211936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5444.211936][ T7704] netdev_get_by_index+0x5e/0x80 [ 5444.211936][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5444.211936][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5444.211936][ T7704] ip6_route_add+0x1c/0x140 [ 5444.211936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5444.211936][ T7704] addrconf_add_dev+0xe2/0x170 [ 5444.211936][ T7704] inet6_addr_add+0x12f/0xa40 [ 5444.211936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.211936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.211936][ T7704] netlink_rcv_skb+0x130/0x360 [ 5444.211936][ T7704] netlink_unicast+0x449/0x710 [ 5444.211936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5444.211936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5444.211936][ T7704] ___sys_sendmsg+0xee/0x170 [ 5444.211936][ T7704] __sys_sendmsg+0xcd/0x170 [ 5444.211936][ T7704] do_syscall_64+0xc6/0x1e0 [ 5444.211936][ T7704] [ 5444.214149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5444.214149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5444.214149][ T7704] ipv6_find_idev+0x102/0x170 [ 5444.214149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.214149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.214149][ T7704] netlink_rcv_skb+0x130/0x360 [ 5444.214149][ T7704] netlink_unicast+0x449/0x710 [ 5444.214149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5444.214149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5444.214149][ T7704] ___sys_sendmsg+0xee/0x170 [ 5444.214149][ T7704] __sys_sendmsg+0xcd/0x170 [ 5444.214149][ T7704] do_syscall_64+0xc6/0x1e0 [ 5444.214149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.214149][ T7704] [ 5444.215861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5444.215861][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5444.215861][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5444.215861][ T7704] ipv6_find_idev+0x102/0x170 [ 5444.215861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.215861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.215861][ T7704] netlink_rcv_skb+0x130/0x360 [ 5444.215861][ T7704] netlink_unicast+0x449/0x710 [ 5444.215861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5444.215861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5444.215861][ T7704] ___sys_sendmsg+0xee/0x170 [ 5444.215861][ T7704] __sys_sendmsg+0xcd/0x170 [ 5444.215861][ T7704] do_syscall_64+0xc6/0x1e0 [ 5444.215861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.215861][ T7704] [ 5454.454925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5454.455459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5454.455459][ T7704] netdev_get_by_index+0x5e/0x80 [ 5454.455459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5454.455459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5454.455459][ T7704] ip6_route_add+0x1c/0x140 [ 5454.455459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5454.455459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5454.455459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.455459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.455459][ T7704] netlink_rcv_skb+0x130/0x360 [ 5454.455459][ T7704] netlink_unicast+0x449/0x710 [ 5454.455459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5454.455459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5454.455459][ T7704] ___sys_sendmsg+0xee/0x170 [ 5454.455459][ T7704] __sys_sendmsg+0xcd/0x170 [ 5454.455459][ T7704] do_syscall_64+0xc6/0x1e0 [ 5454.455459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.455459][ T7704] [ 5454.457714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5454.457714][ T7704] netdev_get_by_index+0x5e/0x80 [ 5454.457714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5454.457714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5454.457714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5454.457714][ T7704] ipv6_add_addr+0x411/0x2000 [ 5454.457714][ T7704] inet6_addr_add+0x30e/0xa40 [ 5454.457714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.457714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.457714][ T7704] netlink_rcv_skb+0x130/0x360 [ 5454.457714][ T7704] netlink_unicast+0x449/0x710 [ 5454.457714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5454.457714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5454.457714][ T7704] ___sys_sendmsg+0xee/0x170 [ 5454.457714][ T7704] __sys_sendmsg+0xcd/0x170 [ 5454.457714][ T7704] do_syscall_64+0xc6/0x1e0 [ 5454.457714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.457714][ T7704] [ 5454.459940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5454.459940][ T7704] netdev_get_by_index+0x5e/0x80 [ 5454.459940][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5454.459940][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5454.459940][ T7704] ip6_route_add+0x1c/0x140 [ 5454.459940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5454.459940][ T7704] addrconf_add_dev+0xe2/0x170 [ 5454.459940][ T7704] inet6_addr_add+0x12f/0xa40 [ 5454.459940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.459940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.459940][ T7704] netlink_rcv_skb+0x130/0x360 [ 5454.459940][ T7704] netlink_unicast+0x449/0x710 [ 5454.459940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5454.459940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5454.459940][ T7704] ___sys_sendmsg+0xee/0x170 [ 5454.459940][ T7704] __sys_sendmsg+0xcd/0x170 [ 5454.459940][ T7704] do_syscall_64+0xc6/0x1e0 [ 5454.459940][ T7704] [ 5454.462158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5454.462158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5454.462158][ T7704] ipv6_find_idev+0x102/0x170 [ 5454.462158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.462158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.462158][ T7704] netlink_rcv_skb+0x130/0x360 [ 5454.462158][ T7704] netlink_unicast+0x449/0x710 [ 5454.462158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5454.462158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5454.462158][ T7704] ___sys_sendmsg+0xee/0x170 [ 5454.462158][ T7704] __sys_sendmsg+0xcd/0x170 [ 5454.462158][ T7704] do_syscall_64+0xc6/0x1e0 [ 5454.462158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.462158][ T7704] [ 5454.463868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5454.463868][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5454.463868][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5454.463868][ T7704] ipv6_find_idev+0x102/0x170 [ 5454.463868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.463868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.463868][ T7704] netlink_rcv_skb+0x130/0x360 [ 5454.463868][ T7704] netlink_unicast+0x449/0x710 [ 5454.463868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5454.463868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5454.463868][ T7704] ___sys_sendmsg+0xee/0x170 [ 5454.463868][ T7704] __sys_sendmsg+0xcd/0x170 [ 5454.463868][ T7704] do_syscall_64+0xc6/0x1e0 [ 5454.463868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.463868][ T7704] [ 5464.703040][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5464.703571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5464.703571][ T7704] netdev_get_by_index+0x5e/0x80 [ 5464.703571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5464.703571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5464.703571][ T7704] ip6_route_add+0x1c/0x140 [ 5464.703571][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5464.703571][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5464.703571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.703571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.703571][ T7704] netlink_rcv_skb+0x130/0x360 [ 5464.703571][ T7704] netlink_unicast+0x449/0x710 [ 5464.703571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5464.703571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5464.703571][ T7704] ___sys_sendmsg+0xee/0x170 [ 5464.703571][ T7704] __sys_sendmsg+0xcd/0x170 [ 5464.703571][ T7704] do_syscall_64+0xc6/0x1e0 [ 5464.703571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.703571][ T7704] [ 5464.705839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5464.705839][ T7704] netdev_get_by_index+0x5e/0x80 [ 5464.705839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5464.705839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5464.705839][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5464.705839][ T7704] ipv6_add_addr+0x411/0x2000 [ 5464.705839][ T7704] inet6_addr_add+0x30e/0xa40 [ 5464.705839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.705839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.705839][ T7704] netlink_rcv_skb+0x130/0x360 [ 5464.705839][ T7704] netlink_unicast+0x449/0x710 [ 5464.705839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5464.705839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5464.705839][ T7704] ___sys_sendmsg+0xee/0x170 [ 5464.705839][ T7704] __sys_sendmsg+0xcd/0x170 [ 5464.705839][ T7704] do_syscall_64+0xc6/0x1e0 [ 5464.705839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.705839][ T7704] [ 5464.708162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5464.708162][ T7704] netdev_get_by_index+0x5e/0x80 [ 5464.708162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5464.708162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5464.708162][ T7704] ip6_route_add+0x1c/0x140 [ 5464.708162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5464.708162][ T7704] addrconf_add_dev+0xe2/0x170 [ 5464.708162][ T7704] inet6_addr_add+0x12f/0xa40 [ 5464.708162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.708162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.708162][ T7704] netlink_rcv_skb+0x130/0x360 [ 5464.708162][ T7704] netlink_unicast+0x449/0x710 [ 5464.708162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5464.708162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5464.708162][ T7704] ___sys_sendmsg+0xee/0x170 [ 5464.708162][ T7704] __sys_sendmsg+0xcd/0x170 [ 5464.708162][ T7704] do_syscall_64+0xc6/0x1e0 [ 5464.708162][ T7704] [ 5464.710365][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5464.710365][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5464.710365][ T7704] ipv6_find_idev+0x102/0x170 [ 5464.710365][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.710365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.710365][ T7704] netlink_rcv_skb+0x130/0x360 [ 5464.710365][ T7704] netlink_unicast+0x449/0x710 [ 5464.710365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5464.710365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5464.710365][ T7704] ___sys_sendmsg+0xee/0x170 [ 5464.710365][ T7704] __sys_sendmsg+0xcd/0x170 [ 5464.710365][ T7704] do_syscall_64+0xc6/0x1e0 [ 5464.710365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.710365][ T7704] [ 5464.712081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5464.712081][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5464.712081][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5464.712081][ T7704] ipv6_find_idev+0x102/0x170 [ 5464.712081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.712081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.712081][ T7704] netlink_rcv_skb+0x130/0x360 [ 5464.712081][ T7704] netlink_unicast+0x449/0x710 [ 5464.712081][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5464.712081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5464.712081][ T7704] ___sys_sendmsg+0xee/0x170 [ 5464.712081][ T7704] __sys_sendmsg+0xcd/0x170 [ 5464.712081][ T7704] do_syscall_64+0xc6/0x1e0 [ 5464.712081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.712081][ T7704] [ 5474.830963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5474.831478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5474.831478][ T7704] netdev_get_by_index+0x5e/0x80 [ 5474.831478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5474.831478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5474.831478][ T7704] ip6_route_add+0x1c/0x140 [ 5474.831478][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5474.831478][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5474.831478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.831478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.831478][ T7704] netlink_rcv_skb+0x130/0x360 [ 5474.831478][ T7704] netlink_unicast+0x449/0x710 [ 5474.831478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5474.831478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5474.831478][ T7704] ___sys_sendmsg+0xee/0x170 [ 5474.831478][ T7704] __sys_sendmsg+0xcd/0x170 [ 5474.831478][ T7704] do_syscall_64+0xc6/0x1e0 [ 5474.831478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.831478][ T7704] [ 5474.833813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5474.833813][ T7704] netdev_get_by_index+0x5e/0x80 [ 5474.833813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5474.833813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5474.833813][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5474.833813][ T7704] ipv6_add_addr+0x411/0x2000 [ 5474.833813][ T7704] inet6_addr_add+0x30e/0xa40 [ 5474.833813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.833813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.833813][ T7704] netlink_rcv_skb+0x130/0x360 [ 5474.833813][ T7704] netlink_unicast+0x449/0x710 [ 5474.833813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5474.833813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5474.833813][ T7704] ___sys_sendmsg+0xee/0x170 [ 5474.833813][ T7704] __sys_sendmsg+0xcd/0x170 [ 5474.833813][ T7704] do_syscall_64+0xc6/0x1e0 [ 5474.833813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.833813][ T7704] [ 5474.836035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5474.836035][ T7704] netdev_get_by_index+0x5e/0x80 [ 5474.836035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5474.836035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5474.836035][ T7704] ip6_route_add+0x1c/0x140 [ 5474.836035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.836035][ T7704] addrconf_add_dev+0xe2/0x170 [ 5474.836035][ T7704] inet6_addr_add+0x12f/0xa40 [ 5474.836035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.836035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.836035][ T7704] netlink_rcv_skb+0x130/0x360 [ 5474.836035][ T7704] netlink_unicast+0x449/0x710 [ 5474.836035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5474.836035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5474.836035][ T7704] ___sys_sendmsg+0xee/0x170 [ 5474.836035][ T7704] __sys_sendmsg+0xcd/0x170 [ 5474.836035][ T7704] do_syscall_64+0xc6/0x1e0 [ 5474.836035][ T7704] [ 5474.838228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5474.838228][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5474.838228][ T7704] ipv6_find_idev+0x102/0x170 [ 5474.838228][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.838228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.838228][ T7704] netlink_rcv_skb+0x130/0x360 [ 5474.838228][ T7704] netlink_unicast+0x449/0x710 [ 5474.838228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5474.838228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5474.838228][ T7704] ___sys_sendmsg+0xee/0x170 [ 5474.838228][ T7704] __sys_sendmsg+0xcd/0x170 [ 5474.838228][ T7704] do_syscall_64+0xc6/0x1e0 [ 5474.838228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.838228][ T7704] [ 5474.839937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5474.839937][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5474.839937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5474.839937][ T7704] ipv6_find_idev+0x102/0x170 [ 5474.839937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.839937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.839937][ T7704] netlink_rcv_skb+0x130/0x360 [ 5474.839937][ T7704] netlink_unicast+0x449/0x710 [ 5474.839937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5474.839937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5474.839937][ T7704] ___sys_sendmsg+0xee/0x170 [ 5474.839937][ T7704] __sys_sendmsg+0xcd/0x170 [ 5474.839937][ T7704] do_syscall_64+0xc6/0x1e0 [ 5474.839937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.839937][ T7704] [ 5485.054958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5485.055456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5485.055456][ T7704] netdev_get_by_index+0x5e/0x80 [ 5485.055456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5485.055456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5485.055456][ T7704] ip6_route_add+0x1c/0x140 [ 5485.055456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5485.055456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5485.055456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5485.055456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5485.055456][ T7704] netlink_rcv_skb+0x130/0x360 [ 5485.055456][ T7704] netlink_unicast+0x449/0x710 [ 5485.055456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5485.055456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5485.055456][ T7704] ___sys_sendmsg+0xee/0x170 [ 5485.055456][ T7704] __sys_sendmsg+0xcd/0x170 [ 5485.055456][ T7704] do_syscall_64+0xc6/0x1e0 [ 5485.055456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5485.055456][ T7704] [ 5485.057730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5485.057730][ T7704] netdev_get_by_index+0x5e/0x80 [ 5485.057730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5485.057730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5485.057730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5485.057730][ T7704] ipv6_add_addr+0x411/0x2000 [ 5485.057730][ T7704] inet6_addr_add+0x30e/0xa40 [ 5485.057730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5485.057730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5485.057730][ T7704] netlink_rcv_skb+0x130/0x360 [ 5485.057730][ T7704] netlink_unicast+0x449/0x710 [ 5485.057730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5485.057730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5485.057730][ T7704] ___sys_sendmsg+0xee/0x170 [ 5485.057730][ T7704] __sys_sendmsg+0xcd/0x170 [ 5485.057730][ T7704] do_syscall_64+0xc6/0x1e0 [ 5485.057730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5485.057730][ T7704] [ 5485.060071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5485.060071][ T7704] netdev_get_by_index+0x5e/0x80 [ 5485.060071][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5485.060071][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5485.060071][ T7704] ip6_route_add+0x1c/0x140 [ 5485.060071][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5485.060071][ T7704] addrconf_add_dev+0xe2/0x170 [ 5485.060071][ T7704] inet6_addr_add+0x12f/0xa40 [ 5485.060071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5485.060071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5485.060071][ T7704] netlink_rcv_skb+0x130/0x360 [ 5485.060071][ T7704] netlink_unicast+0x449/0x710 [ 5485.060071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5485.060071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5485.060071][ T7704] ___sys_sendmsg+0xee/0x170 [ 5485.060071][ T7704] __sys_sendmsg+0xcd/0x170 [ 5485.060071][ T7704] do_syscall_64+0xc6/0x1e0 [ 5485.060071][ T7704] [ 5485.062260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5485.062260][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5485.062260][ T7704] ipv6_find_idev+0x102/0x170 [ 5485.062260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5485.062260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5485.062260][ T7704] netlink_rcv_skb+0x130/0x360 [ 5485.062260][ T7704] netlink_unicast+0x449/0x710 [ 5485.062260][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5485.062260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5485.062260][ T7704] ___sys_sendmsg+0xee/0x170 [ 5485.062260][ T7704] __sys_sendmsg+0xcd/0x170 [ 5485.062260][ T7704] do_syscall_64+0xc6/0x1e0 [ 5485.062260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5485.062260][ T7704] [ 5485.063982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5485.063982][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5485.063982][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5485.063982][ T7704] ipv6_find_idev+0x102/0x170 [ 5485.063982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5485.063982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5485.063982][ T7704] netlink_rcv_skb+0x130/0x360 [ 5485.063982][ T7704] netlink_unicast+0x449/0x710 [ 5485.063982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5485.063982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5485.063982][ T7704] ___sys_sendmsg+0xee/0x170 [ 5485.063982][ T7704] __sys_sendmsg+0xcd/0x170 [ 5485.063982][ T7704] do_syscall_64+0xc6/0x1e0 [ 5485.063982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5485.063982][ T7704] [ 5495.310930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5495.311433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5495.311433][ T7704] netdev_get_by_index+0x5e/0x80 [ 5495.311433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5495.311433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5495.311433][ T7704] ip6_route_add+0x1c/0x140 [ 5495.311433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5495.311433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5495.311433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.311433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.311433][ T7704] netlink_rcv_skb+0x130/0x360 [ 5495.311433][ T7704] netlink_unicast+0x449/0x710 [ 5495.311433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5495.311433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5495.311433][ T7704] ___sys_sendmsg+0xee/0x170 [ 5495.311433][ T7704] __sys_sendmsg+0xcd/0x170 [ 5495.311433][ T7704] do_syscall_64+0xc6/0x1e0 [ 5495.311433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.311433][ T7704] [ 5495.313744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5495.313744][ T7704] netdev_get_by_index+0x5e/0x80 [ 5495.313744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5495.313744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5495.313744][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5495.313744][ T7704] ipv6_add_addr+0x411/0x2000 [ 5495.313744][ T7704] inet6_addr_add+0x30e/0xa40 [ 5495.313744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.313744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.313744][ T7704] netlink_rcv_skb+0x130/0x360 [ 5495.313744][ T7704] netlink_unicast+0x449/0x710 [ 5495.313744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5495.313744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5495.313744][ T7704] ___sys_sendmsg+0xee/0x170 [ 5495.313744][ T7704] __sys_sendmsg+0xcd/0x170 [ 5495.313744][ T7704] do_syscall_64+0xc6/0x1e0 [ 5495.313744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.313744][ T7704] [ 5495.315987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5495.315987][ T7704] netdev_get_by_index+0x5e/0x80 [ 5495.315987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5495.315987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5495.315987][ T7704] ip6_route_add+0x1c/0x140 [ 5495.315987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5495.315987][ T7704] addrconf_add_dev+0xe2/0x170 [ 5495.315987][ T7704] inet6_addr_add+0x12f/0xa40 [ 5495.315987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.315987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.315987][ T7704] netlink_rcv_skb+0x130/0x360 [ 5495.315987][ T7704] netlink_unicast+0x449/0x710 [ 5495.315987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5495.315987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5495.315987][ T7704] ___sys_sendmsg+0xee/0x170 [ 5495.315987][ T7704] __sys_sendmsg+0xcd/0x170 [ 5495.315987][ T7704] do_syscall_64+0xc6/0x1e0 [ 5495.315987][ T7704] [ 5495.318191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5495.318191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5495.318191][ T7704] ipv6_find_idev+0x102/0x170 [ 5495.318191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.318191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.318191][ T7704] netlink_rcv_skb+0x130/0x360 [ 5495.318191][ T7704] netlink_unicast+0x449/0x710 [ 5495.318191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5495.318191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5495.318191][ T7704] ___sys_sendmsg+0xee/0x170 [ 5495.318191][ T7704] __sys_sendmsg+0xcd/0x170 [ 5495.318191][ T7704] do_syscall_64+0xc6/0x1e0 [ 5495.318191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.318191][ T7704] [ 5495.319918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5495.319918][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5495.319918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5495.319918][ T7704] ipv6_find_idev+0x102/0x170 [ 5495.319918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.319918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.319918][ T7704] netlink_rcv_skb+0x130/0x360 [ 5495.319918][ T7704] netlink_unicast+0x449/0x710 [ 5495.319918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5495.319918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5495.319918][ T7704] ___sys_sendmsg+0xee/0x170 [ 5495.319918][ T7704] __sys_sendmsg+0xcd/0x170 [ 5495.319918][ T7704] do_syscall_64+0xc6/0x1e0 [ 5495.319918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.319918][ T7704] [ 5505.566930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5505.567461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5505.567461][ T7704] netdev_get_by_index+0x5e/0x80 [ 5505.567461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5505.567461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5505.567461][ T7704] ip6_route_add+0x1c/0x140 [ 5505.567461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5505.567461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5505.567461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.567461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.567461][ T7704] netlink_rcv_skb+0x130/0x360 [ 5505.567461][ T7704] netlink_unicast+0x449/0x710 [ 5505.567461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5505.567461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5505.567461][ T7704] ___sys_sendmsg+0xee/0x170 [ 5505.567461][ T7704] __sys_sendmsg+0xcd/0x170 [ 5505.567461][ T7704] do_syscall_64+0xc6/0x1e0 [ 5505.567461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.567461][ T7704] [ 5505.569725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5505.569725][ T7704] netdev_get_by_index+0x5e/0x80 [ 5505.569725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5505.569725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5505.569725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5505.569725][ T7704] ipv6_add_addr+0x411/0x2000 [ 5505.569725][ T7704] inet6_addr_add+0x30e/0xa40 [ 5505.569725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.569725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.569725][ T7704] netlink_rcv_skb+0x130/0x360 [ 5505.569725][ T7704] netlink_unicast+0x449/0x710 [ 5505.569725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5505.569725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5505.569725][ T7704] ___sys_sendmsg+0xee/0x170 [ 5505.569725][ T7704] __sys_sendmsg+0xcd/0x170 [ 5505.569725][ T7704] do_syscall_64+0xc6/0x1e0 [ 5505.569725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.569725][ T7704] [ 5505.571962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5505.571962][ T7704] netdev_get_by_index+0x5e/0x80 [ 5505.571962][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5505.571962][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5505.571962][ T7704] ip6_route_add+0x1c/0x140 [ 5505.571962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5505.571962][ T7704] addrconf_add_dev+0xe2/0x170 [ 5505.571962][ T7704] inet6_addr_add+0x12f/0xa40 [ 5505.571962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.571962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.571962][ T7704] netlink_rcv_skb+0x130/0x360 [ 5505.571962][ T7704] netlink_unicast+0x449/0x710 [ 5505.571962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5505.571962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5505.571962][ T7704] ___sys_sendmsg+0xee/0x170 [ 5505.571962][ T7704] __sys_sendmsg+0xcd/0x170 [ 5505.571962][ T7704] do_syscall_64+0xc6/0x1e0 [ 5505.571962][ T7704] [ 5505.574165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5505.574165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5505.574165][ T7704] ipv6_find_idev+0x102/0x170 [ 5505.574165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.574165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.574165][ T7704] netlink_rcv_skb+0x130/0x360 [ 5505.574165][ T7704] netlink_unicast+0x449/0x710 [ 5505.574165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5505.574165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5505.574165][ T7704] ___sys_sendmsg+0xee/0x170 [ 5505.574165][ T7704] __sys_sendmsg+0xcd/0x170 [ 5505.574165][ T7704] do_syscall_64+0xc6/0x1e0 [ 5505.574165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.574165][ T7704] [ 5505.575884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5505.575884][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5505.575884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5505.575884][ T7704] ipv6_find_idev+0x102/0x170 [ 5505.575884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.575884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.575884][ T7704] netlink_rcv_skb+0x130/0x360 [ 5505.575884][ T7704] netlink_unicast+0x449/0x710 [ 5505.575884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5505.575884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5505.575884][ T7704] ___sys_sendmsg+0xee/0x170 [ 5505.575884][ T7704] __sys_sendmsg+0xcd/0x170 [ 5505.575884][ T7704] do_syscall_64+0xc6/0x1e0 [ 5505.575884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.575884][ T7704] [ 5515.822968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5515.823487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5515.823487][ T7704] netdev_get_by_index+0x5e/0x80 [ 5515.823487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5515.823487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5515.823487][ T7704] ip6_route_add+0x1c/0x140 [ 5515.823487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5515.823487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5515.823487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.823487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.823487][ T7704] netlink_rcv_skb+0x130/0x360 [ 5515.823487][ T7704] netlink_unicast+0x449/0x710 [ 5515.823487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5515.823487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5515.823487][ T7704] ___sys_sendmsg+0xee/0x170 [ 5515.823487][ T7704] __sys_sendmsg+0xcd/0x170 [ 5515.823487][ T7704] do_syscall_64+0xc6/0x1e0 [ 5515.823487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.823487][ T7704] [ 5515.825747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5515.825747][ T7704] netdev_get_by_index+0x5e/0x80 [ 5515.825747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5515.825747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5515.825747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5515.825747][ T7704] ipv6_add_addr+0x411/0x2000 [ 5515.825747][ T7704] inet6_addr_add+0x30e/0xa40 [ 5515.825747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.825747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.825747][ T7704] netlink_rcv_skb+0x130/0x360 [ 5515.825747][ T7704] netlink_unicast+0x449/0x710 [ 5515.825747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5515.825747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5515.825747][ T7704] ___sys_sendmsg+0xee/0x170 [ 5515.825747][ T7704] __sys_sendmsg+0xcd/0x170 [ 5515.825747][ T7704] do_syscall_64+0xc6/0x1e0 [ 5515.825747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.825747][ T7704] [ 5515.827966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5515.827966][ T7704] netdev_get_by_index+0x5e/0x80 [ 5515.827966][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5515.827966][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5515.827966][ T7704] ip6_route_add+0x1c/0x140 [ 5515.827966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.827966][ T7704] addrconf_add_dev+0xe2/0x170 [ 5515.827966][ T7704] inet6_addr_add+0x12f/0xa40 [ 5515.827966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.827966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.827966][ T7704] netlink_rcv_skb+0x130/0x360 [ 5515.827966][ T7704] netlink_unicast+0x449/0x710 [ 5515.827966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5515.827966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5515.827966][ T7704] ___sys_sendmsg+0xee/0x170 [ 5515.827966][ T7704] __sys_sendmsg+0xcd/0x170 [ 5515.827966][ T7704] do_syscall_64+0xc6/0x1e0 [ 5515.827966][ T7704] [ 5515.830157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5515.830157][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5515.830157][ T7704] ipv6_find_idev+0x102/0x170 [ 5515.830157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.830157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.830157][ T7704] netlink_rcv_skb+0x130/0x360 [ 5515.830157][ T7704] netlink_unicast+0x449/0x710 [ 5515.830157][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5515.830157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5515.830157][ T7704] ___sys_sendmsg+0xee/0x170 [ 5515.830157][ T7704] __sys_sendmsg+0xcd/0x170 [ 5515.830157][ T7704] do_syscall_64+0xc6/0x1e0 [ 5515.830157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.830157][ T7704] [ 5515.831870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5515.831870][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5515.831870][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5515.831870][ T7704] ipv6_find_idev+0x102/0x170 [ 5515.831870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.831870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.831870][ T7704] netlink_rcv_skb+0x130/0x360 [ 5515.831870][ T7704] netlink_unicast+0x449/0x710 [ 5515.831870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5515.831870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5515.831870][ T7704] ___sys_sendmsg+0xee/0x170 [ 5515.831870][ T7704] __sys_sendmsg+0xcd/0x170 [ 5515.831870][ T7704] do_syscall_64+0xc6/0x1e0 [ 5515.831870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.831870][ T7704] [ 5525.846928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5525.847434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5525.847434][ T7704] netdev_get_by_index+0x5e/0x80 [ 5525.847434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5525.847434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5525.847434][ T7704] ip6_route_add+0x1c/0x140 [ 5525.847434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5525.847434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5525.847434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.847434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.847434][ T7704] netlink_rcv_skb+0x130/0x360 [ 5525.847434][ T7704] netlink_unicast+0x449/0x710 [ 5525.847434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5525.847434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5525.847434][ T7704] ___sys_sendmsg+0xee/0x170 [ 5525.847434][ T7704] __sys_sendmsg+0xcd/0x170 [ 5525.847434][ T7704] do_syscall_64+0xc6/0x1e0 [ 5525.847434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.847434][ T7704] [ 5525.849738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5525.849738][ T7704] netdev_get_by_index+0x5e/0x80 [ 5525.849738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5525.849738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5525.849738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5525.849738][ T7704] ipv6_add_addr+0x411/0x2000 [ 5525.849738][ T7704] inet6_addr_add+0x30e/0xa40 [ 5525.849738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.849738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.849738][ T7704] netlink_rcv_skb+0x130/0x360 [ 5525.849738][ T7704] netlink_unicast+0x449/0x710 [ 5525.849738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5525.849738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5525.849738][ T7704] ___sys_sendmsg+0xee/0x170 [ 5525.849738][ T7704] __sys_sendmsg+0xcd/0x170 [ 5525.849738][ T7704] do_syscall_64+0xc6/0x1e0 [ 5525.849738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.849738][ T7704] [ 5525.851973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5525.851973][ T7704] netdev_get_by_index+0x5e/0x80 [ 5525.851973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5525.851973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5525.851973][ T7704] ip6_route_add+0x1c/0x140 [ 5525.851973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.851973][ T7704] addrconf_add_dev+0xe2/0x170 [ 5525.851973][ T7704] inet6_addr_add+0x12f/0xa40 [ 5525.851973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.851973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.851973][ T7704] netlink_rcv_skb+0x130/0x360 [ 5525.851973][ T7704] netlink_unicast+0x449/0x710 [ 5525.851973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5525.851973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5525.851973][ T7704] ___sys_sendmsg+0xee/0x170 [ 5525.851973][ T7704] __sys_sendmsg+0xcd/0x170 [ 5525.851973][ T7704] do_syscall_64+0xc6/0x1e0 [ 5525.851973][ T7704] [ 5525.854170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5525.854170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5525.854170][ T7704] ipv6_find_idev+0x102/0x170 [ 5525.854170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.854170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.854170][ T7704] netlink_rcv_skb+0x130/0x360 [ 5525.854170][ T7704] netlink_unicast+0x449/0x710 [ 5525.854170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5525.854170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5525.854170][ T7704] ___sys_sendmsg+0xee/0x170 [ 5525.854170][ T7704] __sys_sendmsg+0xcd/0x170 [ 5525.854170][ T7704] do_syscall_64+0xc6/0x1e0 [ 5525.854170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.854170][ T7704] [ 5525.855882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5525.855882][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5525.855882][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5525.855882][ T7704] ipv6_find_idev+0x102/0x170 [ 5525.855882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.855882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.855882][ T7704] netlink_rcv_skb+0x130/0x360 [ 5525.855882][ T7704] netlink_unicast+0x449/0x710 [ 5525.855882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5525.855882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5525.855882][ T7704] ___sys_sendmsg+0xee/0x170 [ 5525.855882][ T7704] __sys_sendmsg+0xcd/0x170 [ 5525.855882][ T7704] do_syscall_64+0xc6/0x1e0 [ 5525.855882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.855882][ T7704] [ 5535.862938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5535.863459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5535.863459][ T7704] netdev_get_by_index+0x5e/0x80 [ 5535.863459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5535.863459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5535.863459][ T7704] ip6_route_add+0x1c/0x140 [ 5535.863459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5535.863459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5535.863459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.863459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.863459][ T7704] netlink_rcv_skb+0x130/0x360 [ 5535.863459][ T7704] netlink_unicast+0x449/0x710 [ 5535.863459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5535.863459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5535.863459][ T7704] ___sys_sendmsg+0xee/0x170 [ 5535.863459][ T7704] __sys_sendmsg+0xcd/0x170 [ 5535.863459][ T7704] do_syscall_64+0xc6/0x1e0 [ 5535.863459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.863459][ T7704] [ 5535.865743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5535.865743][ T7704] netdev_get_by_index+0x5e/0x80 [ 5535.865743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5535.865743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5535.865743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5535.865743][ T7704] ipv6_add_addr+0x411/0x2000 [ 5535.865743][ T7704] inet6_addr_add+0x30e/0xa40 [ 5535.865743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.865743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.865743][ T7704] netlink_rcv_skb+0x130/0x360 [ 5535.865743][ T7704] netlink_unicast+0x449/0x710 [ 5535.865743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5535.865743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5535.865743][ T7704] ___sys_sendmsg+0xee/0x170 [ 5535.865743][ T7704] __sys_sendmsg+0xcd/0x170 [ 5535.865743][ T7704] do_syscall_64+0xc6/0x1e0 [ 5535.865743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.865743][ T7704] [ 5535.868494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5535.868494][ T7704] netdev_get_by_index+0x5e/0x80 [ 5535.868494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5535.868494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5535.868494][ T7704] ip6_route_add+0x1c/0x140 [ 5535.868494][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.868494][ T7704] addrconf_add_dev+0xe2/0x170 [ 5535.868494][ T7704] inet6_addr_add+0x12f/0xa40 [ 5535.868494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.868494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.868494][ T7704] netlink_rcv_skb+0x130/0x360 [ 5535.868494][ T7704] netlink_unicast+0x449/0x710 [ 5535.868494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5535.868494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5535.868494][ T7704] ___sys_sendmsg+0xee/0x170 [ 5535.868494][ T7704] __sys_sendmsg+0xcd/0x170 [ 5535.868494][ T7704] do_syscall_64+0xc6/0x1e0 [ 5535.868494][ T7704] [ 5535.870670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5535.870670][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5535.870670][ T7704] ipv6_find_idev+0x102/0x170 [ 5535.870670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.870670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.870670][ T7704] netlink_rcv_skb+0x130/0x360 [ 5535.870670][ T7704] netlink_unicast+0x449/0x710 [ 5535.870670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5535.870670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5535.870670][ T7704] ___sys_sendmsg+0xee/0x170 [ 5535.870670][ T7704] __sys_sendmsg+0xcd/0x170 [ 5535.870670][ T7704] do_syscall_64+0xc6/0x1e0 [ 5535.870670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.870670][ T7704] [ 5535.872374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5535.872374][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5535.872374][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5535.872374][ T7704] ipv6_find_idev+0x102/0x170 [ 5535.872374][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.872374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.872374][ T7704] netlink_rcv_skb+0x130/0x360 [ 5535.872374][ T7704] netlink_unicast+0x449/0x710 [ 5535.872374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5535.872374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5535.872374][ T7704] ___sys_sendmsg+0xee/0x170 [ 5535.872374][ T7704] __sys_sendmsg+0xcd/0x170 [ 5535.872374][ T7704] do_syscall_64+0xc6/0x1e0 [ 5535.872374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.872374][ T7704] [ 5546.110968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5546.111459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5546.111459][ T7704] netdev_get_by_index+0x5e/0x80 [ 5546.111459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5546.111459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5546.111459][ T7704] ip6_route_add+0x1c/0x140 [ 5546.111459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5546.111459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5546.111459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.111459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.111459][ T7704] netlink_rcv_skb+0x130/0x360 [ 5546.111459][ T7704] netlink_unicast+0x449/0x710 [ 5546.111459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5546.111459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5546.111459][ T7704] ___sys_sendmsg+0xee/0x170 [ 5546.111459][ T7704] __sys_sendmsg+0xcd/0x170 [ 5546.111459][ T7704] do_syscall_64+0xc6/0x1e0 [ 5546.111459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.111459][ T7704] [ 5546.113728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5546.113728][ T7704] netdev_get_by_index+0x5e/0x80 [ 5546.113728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5546.113728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5546.113728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5546.113728][ T7704] ipv6_add_addr+0x411/0x2000 [ 5546.113728][ T7704] inet6_addr_add+0x30e/0xa40 [ 5546.113728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.113728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.113728][ T7704] netlink_rcv_skb+0x130/0x360 [ 5546.113728][ T7704] netlink_unicast+0x449/0x710 [ 5546.113728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5546.113728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5546.113728][ T7704] ___sys_sendmsg+0xee/0x170 [ 5546.113728][ T7704] __sys_sendmsg+0xcd/0x170 [ 5546.113728][ T7704] do_syscall_64+0xc6/0x1e0 [ 5546.113728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.113728][ T7704] [ 5546.115954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5546.115954][ T7704] netdev_get_by_index+0x5e/0x80 [ 5546.115954][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5546.115954][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5546.115954][ T7704] ip6_route_add+0x1c/0x140 [ 5546.115954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.115954][ T7704] addrconf_add_dev+0xe2/0x170 [ 5546.115954][ T7704] inet6_addr_add+0x12f/0xa40 [ 5546.115954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.115954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.115954][ T7704] netlink_rcv_skb+0x130/0x360 [ 5546.115954][ T7704] netlink_unicast+0x449/0x710 [ 5546.115954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5546.115954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5546.115954][ T7704] ___sys_sendmsg+0xee/0x170 [ 5546.115954][ T7704] __sys_sendmsg+0xcd/0x170 [ 5546.115954][ T7704] do_syscall_64+0xc6/0x1e0 [ 5546.115954][ T7704] [ 5546.118169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5546.118169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5546.118169][ T7704] ipv6_find_idev+0x102/0x170 [ 5546.118169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.118169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.118169][ T7704] netlink_rcv_skb+0x130/0x360 [ 5546.118169][ T7704] netlink_unicast+0x449/0x710 [ 5546.118169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5546.118169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5546.118169][ T7704] ___sys_sendmsg+0xee/0x170 [ 5546.118169][ T7704] __sys_sendmsg+0xcd/0x170 [ 5546.118169][ T7704] do_syscall_64+0xc6/0x1e0 [ 5546.118169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.118169][ T7704] [ 5546.119892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5546.119892][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5546.119892][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5546.119892][ T7704] ipv6_find_idev+0x102/0x170 [ 5546.119892][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.119892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.119892][ T7704] netlink_rcv_skb+0x130/0x360 [ 5546.119892][ T7704] netlink_unicast+0x449/0x710 [ 5546.119892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5546.119892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5546.119892][ T7704] ___sys_sendmsg+0xee/0x170 [ 5546.119892][ T7704] __sys_sendmsg+0xcd/0x170 [ 5546.119892][ T7704] do_syscall_64+0xc6/0x1e0 [ 5546.119892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.119892][ T7704] [ 5556.358948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5556.359447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5556.359447][ T7704] netdev_get_by_index+0x5e/0x80 [ 5556.359447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5556.359447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5556.359447][ T7704] ip6_route_add+0x1c/0x140 [ 5556.359447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5556.359447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5556.359447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.359447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.359447][ T7704] netlink_rcv_skb+0x130/0x360 [ 5556.359447][ T7704] netlink_unicast+0x449/0x710 [ 5556.359447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5556.359447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5556.359447][ T7704] ___sys_sendmsg+0xee/0x170 [ 5556.359447][ T7704] __sys_sendmsg+0xcd/0x170 [ 5556.359447][ T7704] do_syscall_64+0xc6/0x1e0 [ 5556.359447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.359447][ T7704] [ 5556.361753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5556.361753][ T7704] netdev_get_by_index+0x5e/0x80 [ 5556.361753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5556.361753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5556.361753][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5556.361753][ T7704] ipv6_add_addr+0x411/0x2000 [ 5556.361753][ T7704] inet6_addr_add+0x30e/0xa40 [ 5556.361753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.361753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.361753][ T7704] netlink_rcv_skb+0x130/0x360 [ 5556.361753][ T7704] netlink_unicast+0x449/0x710 [ 5556.361753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5556.361753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5556.361753][ T7704] ___sys_sendmsg+0xee/0x170 [ 5556.361753][ T7704] __sys_sendmsg+0xcd/0x170 [ 5556.361753][ T7704] do_syscall_64+0xc6/0x1e0 [ 5556.361753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.361753][ T7704] [ 5556.363988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5556.363988][ T7704] netdev_get_by_index+0x5e/0x80 [ 5556.363988][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5556.363988][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5556.363988][ T7704] ip6_route_add+0x1c/0x140 [ 5556.363988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.363988][ T7704] addrconf_add_dev+0xe2/0x170 [ 5556.363988][ T7704] inet6_addr_add+0x12f/0xa40 [ 5556.363988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.363988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.363988][ T7704] netlink_rcv_skb+0x130/0x360 [ 5556.363988][ T7704] netlink_unicast+0x449/0x710 [ 5556.363988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5556.363988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5556.363988][ T7704] ___sys_sendmsg+0xee/0x170 [ 5556.363988][ T7704] __sys_sendmsg+0xcd/0x170 [ 5556.363988][ T7704] do_syscall_64+0xc6/0x1e0 [ 5556.363988][ T7704] [ 5556.366172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5556.366172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5556.366172][ T7704] ipv6_find_idev+0x102/0x170 [ 5556.366172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.366172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.366172][ T7704] netlink_rcv_skb+0x130/0x360 [ 5556.366172][ T7704] netlink_unicast+0x449/0x710 [ 5556.366172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5556.366172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5556.366172][ T7704] ___sys_sendmsg+0xee/0x170 [ 5556.366172][ T7704] __sys_sendmsg+0xcd/0x170 [ 5556.366172][ T7704] do_syscall_64+0xc6/0x1e0 [ 5556.366172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.366172][ T7704] [ 5556.367882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5556.367882][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5556.367882][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5556.367882][ T7704] ipv6_find_idev+0x102/0x170 [ 5556.367882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.367882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.367882][ T7704] netlink_rcv_skb+0x130/0x360 [ 5556.367882][ T7704] netlink_unicast+0x449/0x710 [ 5556.367882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5556.367882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5556.367882][ T7704] ___sys_sendmsg+0xee/0x170 [ 5556.367882][ T7704] __sys_sendmsg+0xcd/0x170 [ 5556.367882][ T7704] do_syscall_64+0xc6/0x1e0 [ 5556.367882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.367882][ T7704] [ 5566.606954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5566.607459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5566.607459][ T7704] netdev_get_by_index+0x5e/0x80 [ 5566.607459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5566.607459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5566.607459][ T7704] ip6_route_add+0x1c/0x140 [ 5566.607459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5566.607459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5566.607459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.607459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.607459][ T7704] netlink_rcv_skb+0x130/0x360 [ 5566.607459][ T7704] netlink_unicast+0x449/0x710 [ 5566.607459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5566.607459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5566.607459][ T7704] ___sys_sendmsg+0xee/0x170 [ 5566.607459][ T7704] __sys_sendmsg+0xcd/0x170 [ 5566.607459][ T7704] do_syscall_64+0xc6/0x1e0 [ 5566.607459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.607459][ T7704] [ 5566.609710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5566.609710][ T7704] netdev_get_by_index+0x5e/0x80 [ 5566.609710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5566.609710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5566.609710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5566.609710][ T7704] ipv6_add_addr+0x411/0x2000 [ 5566.609710][ T7704] inet6_addr_add+0x30e/0xa40 [ 5566.609710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.609710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.609710][ T7704] netlink_rcv_skb+0x130/0x360 [ 5566.609710][ T7704] netlink_unicast+0x449/0x710 [ 5566.609710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5566.609710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5566.609710][ T7704] ___sys_sendmsg+0xee/0x170 [ 5566.609710][ T7704] __sys_sendmsg+0xcd/0x170 [ 5566.609710][ T7704] do_syscall_64+0xc6/0x1e0 [ 5566.609710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.609710][ T7704] [ 5566.612045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5566.612045][ T7704] netdev_get_by_index+0x5e/0x80 [ 5566.612045][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5566.612045][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5566.612045][ T7704] ip6_route_add+0x1c/0x140 [ 5566.612045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.612045][ T7704] addrconf_add_dev+0xe2/0x170 [ 5566.612045][ T7704] inet6_addr_add+0x12f/0xa40 [ 5566.612045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.612045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.612045][ T7704] netlink_rcv_skb+0x130/0x360 [ 5566.612045][ T7704] netlink_unicast+0x449/0x710 [ 5566.612045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5566.612045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5566.612045][ T7704] ___sys_sendmsg+0xee/0x170 [ 5566.612045][ T7704] __sys_sendmsg+0xcd/0x170 [ 5566.612045][ T7704] do_syscall_64+0xc6/0x1e0 [ 5566.612045][ T7704] [ 5566.614273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5566.614273][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5566.614273][ T7704] ipv6_find_idev+0x102/0x170 [ 5566.614273][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.614273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.614273][ T7704] netlink_rcv_skb+0x130/0x360 [ 5566.614273][ T7704] netlink_unicast+0x449/0x710 [ 5566.614273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5566.614273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5566.614273][ T7704] ___sys_sendmsg+0xee/0x170 [ 5566.614273][ T7704] __sys_sendmsg+0xcd/0x170 [ 5566.614273][ T7704] do_syscall_64+0xc6/0x1e0 [ 5566.614273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.614273][ T7704] [ 5566.615981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5566.615981][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5566.615981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5566.615981][ T7704] ipv6_find_idev+0x102/0x170 [ 5566.615981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.615981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.615981][ T7704] netlink_rcv_skb+0x130/0x360 [ 5566.615981][ T7704] netlink_unicast+0x449/0x710 [ 5566.615981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5566.615981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5566.615981][ T7704] ___sys_sendmsg+0xee/0x170 [ 5566.615981][ T7704] __sys_sendmsg+0xcd/0x170 [ 5566.615981][ T7704] do_syscall_64+0xc6/0x1e0 [ 5566.615981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.615981][ T7704] [ 5576.862934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5576.863463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5576.863463][ T7704] netdev_get_by_index+0x5e/0x80 [ 5576.863463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5576.863463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5576.863463][ T7704] ip6_route_add+0x1c/0x140 [ 5576.863463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5576.863463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5576.863463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.863463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.863463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5576.863463][ T7704] netlink_unicast+0x449/0x710 [ 5576.863463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5576.863463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5576.863463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5576.863463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5576.863463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5576.863463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.863463][ T7704] [ 5576.865741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5576.865741][ T7704] netdev_get_by_index+0x5e/0x80 [ 5576.865741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5576.865741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5576.865741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5576.865741][ T7704] ipv6_add_addr+0x411/0x2000 [ 5576.865741][ T7704] inet6_addr_add+0x30e/0xa40 [ 5576.865741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.865741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.865741][ T7704] netlink_rcv_skb+0x130/0x360 [ 5576.865741][ T7704] netlink_unicast+0x449/0x710 [ 5576.865741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5576.865741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5576.865741][ T7704] ___sys_sendmsg+0xee/0x170 [ 5576.865741][ T7704] __sys_sendmsg+0xcd/0x170 [ 5576.865741][ T7704] do_syscall_64+0xc6/0x1e0 [ 5576.865741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.865741][ T7704] [ 5576.867996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5576.867996][ T7704] netdev_get_by_index+0x5e/0x80 [ 5576.867996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5576.867996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5576.867996][ T7704] ip6_route_add+0x1c/0x140 [ 5576.867996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5576.867996][ T7704] addrconf_add_dev+0xe2/0x170 [ 5576.867996][ T7704] inet6_addr_add+0x12f/0xa40 [ 5576.867996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.867996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.867996][ T7704] netlink_rcv_skb+0x130/0x360 [ 5576.867996][ T7704] netlink_unicast+0x449/0x710 [ 5576.867996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5576.867996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5576.867996][ T7704] ___sys_sendmsg+0xee/0x170 [ 5576.867996][ T7704] __sys_sendmsg+0xcd/0x170 [ 5576.867996][ T7704] do_syscall_64+0xc6/0x1e0 [ 5576.867996][ T7704] [ 5576.870216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5576.870216][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5576.870216][ T7704] ipv6_find_idev+0x102/0x170 [ 5576.870216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.870216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.870216][ T7704] netlink_rcv_skb+0x130/0x360 [ 5576.870216][ T7704] netlink_unicast+0x449/0x710 [ 5576.870216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5576.870216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5576.870216][ T7704] ___sys_sendmsg+0xee/0x170 [ 5576.870216][ T7704] __sys_sendmsg+0xcd/0x170 [ 5576.870216][ T7704] do_syscall_64+0xc6/0x1e0 [ 5576.870216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.870216][ T7704] [ 5576.871951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5576.871951][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5576.871951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5576.871951][ T7704] ipv6_find_idev+0x102/0x170 [ 5576.871951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.871951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.871951][ T7704] netlink_rcv_skb+0x130/0x360 [ 5576.871951][ T7704] netlink_unicast+0x449/0x710 [ 5576.871951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5576.871951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5576.871951][ T7704] ___sys_sendmsg+0xee/0x170 [ 5576.871951][ T7704] __sys_sendmsg+0xcd/0x170 [ 5576.871951][ T7704] do_syscall_64+0xc6/0x1e0 [ 5576.871951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.871951][ T7704] [ 5586.886930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5586.887449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5586.887449][ T7704] netdev_get_by_index+0x5e/0x80 [ 5586.887449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5586.887449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5586.887449][ T7704] ip6_route_add+0x1c/0x140 [ 5586.887449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5586.887449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5586.887449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.887449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.887449][ T7704] netlink_rcv_skb+0x130/0x360 [ 5586.887449][ T7704] netlink_unicast+0x449/0x710 [ 5586.887449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5586.887449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5586.887449][ T7704] ___sys_sendmsg+0xee/0x170 [ 5586.887449][ T7704] __sys_sendmsg+0xcd/0x170 [ 5586.887449][ T7704] do_syscall_64+0xc6/0x1e0 [ 5586.887449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.887449][ T7704] [ 5586.889772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5586.889772][ T7704] netdev_get_by_index+0x5e/0x80 [ 5586.889772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5586.889772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5586.889772][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5586.889772][ T7704] ipv6_add_addr+0x411/0x2000 [ 5586.889772][ T7704] inet6_addr_add+0x30e/0xa40 [ 5586.889772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.889772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.889772][ T7704] netlink_rcv_skb+0x130/0x360 [ 5586.889772][ T7704] netlink_unicast+0x449/0x710 [ 5586.889772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5586.889772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5586.889772][ T7704] ___sys_sendmsg+0xee/0x170 [ 5586.889772][ T7704] __sys_sendmsg+0xcd/0x170 [ 5586.889772][ T7704] do_syscall_64+0xc6/0x1e0 [ 5586.889772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.889772][ T7704] [ 5586.892029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5586.892029][ T7704] netdev_get_by_index+0x5e/0x80 [ 5586.892029][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5586.892029][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5586.892029][ T7704] ip6_route_add+0x1c/0x140 [ 5586.892029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5586.892029][ T7704] addrconf_add_dev+0xe2/0x170 [ 5586.892029][ T7704] inet6_addr_add+0x12f/0xa40 [ 5586.892029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.892029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.892029][ T7704] netlink_rcv_skb+0x130/0x360 [ 5586.892029][ T7704] netlink_unicast+0x449/0x710 [ 5586.892029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5586.892029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5586.892029][ T7704] ___sys_sendmsg+0xee/0x170 [ 5586.892029][ T7704] __sys_sendmsg+0xcd/0x170 [ 5586.892029][ T7704] do_syscall_64+0xc6/0x1e0 [ 5586.892029][ T7704] [ 5586.894284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5586.894284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5586.894284][ T7704] ipv6_find_idev+0x102/0x170 [ 5586.894284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5586.894284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.894284][ T7704] netlink_rcv_skb+0x130/0x360 [ 5586.894284][ T7704] netlink_unicast+0x449/0x710 [ 5586.894284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5586.894284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5586.894284][ T7704] ___sys_sendmsg+0xee/0x170 [ 5586.894284][ T7704] __sys_sendmsg+0xcd/0x170 [ 5586.894284][ T7704] do_syscall_64+0xc6/0x1e0 [ 5586.894284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.894284][ T7704] [ 5586.896034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5586.896034][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5586.896034][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5586.896034][ T7704] ipv6_find_idev+0x102/0x170 [ 5586.896034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5586.896034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.896034][ T7704] netlink_rcv_skb+0x130/0x360 [ 5586.896034][ T7704] netlink_unicast+0x449/0x710 [ 5586.896034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5586.896034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5586.896034][ T7704] ___sys_sendmsg+0xee/0x170 [ 5586.896034][ T7704] __sys_sendmsg+0xcd/0x170 [ 5586.896034][ T7704] do_syscall_64+0xc6/0x1e0 [ 5586.896034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.896034][ T7704] [ 5597.134876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5597.135435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5597.135435][ T7704] netdev_get_by_index+0x5e/0x80 [ 5597.135435][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5597.135435][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5597.135435][ T7704] ip6_route_add+0x1c/0x140 [ 5597.135435][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5597.135435][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5597.135435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.135435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.135435][ T7704] netlink_rcv_skb+0x130/0x360 [ 5597.135435][ T7704] netlink_unicast+0x449/0x710 [ 5597.135435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5597.135435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5597.135435][ T7704] ___sys_sendmsg+0xee/0x170 [ 5597.135435][ T7704] __sys_sendmsg+0xcd/0x170 [ 5597.135435][ T7704] do_syscall_64+0xc6/0x1e0 [ 5597.135435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.135435][ T7704] [ 5597.137769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5597.137769][ T7704] netdev_get_by_index+0x5e/0x80 [ 5597.137769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5597.137769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5597.137769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5597.137769][ T7704] ipv6_add_addr+0x411/0x2000 [ 5597.137769][ T7704] inet6_addr_add+0x30e/0xa40 [ 5597.137769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.137769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.137769][ T7704] netlink_rcv_skb+0x130/0x360 [ 5597.137769][ T7704] netlink_unicast+0x449/0x710 [ 5597.137769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5597.137769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5597.137769][ T7704] ___sys_sendmsg+0xee/0x170 [ 5597.137769][ T7704] __sys_sendmsg+0xcd/0x170 [ 5597.137769][ T7704] do_syscall_64+0xc6/0x1e0 [ 5597.137769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.137769][ T7704] [ 5597.140057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5597.140057][ T7704] netdev_get_by_index+0x5e/0x80 [ 5597.140057][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5597.140057][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5597.140057][ T7704] ip6_route_add+0x1c/0x140 [ 5597.140057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.140057][ T7704] addrconf_add_dev+0xe2/0x170 [ 5597.140057][ T7704] inet6_addr_add+0x12f/0xa40 [ 5597.140057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.140057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.140057][ T7704] netlink_rcv_skb+0x130/0x360 [ 5597.140057][ T7704] netlink_unicast+0x449/0x710 [ 5597.140057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5597.140057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5597.140057][ T7704] ___sys_sendmsg+0xee/0x170 [ 5597.140057][ T7704] __sys_sendmsg+0xcd/0x170 [ 5597.140057][ T7704] do_syscall_64+0xc6/0x1e0 [ 5597.140057][ T7704] [ 5597.142277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5597.142277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5597.142277][ T7704] ipv6_find_idev+0x102/0x170 [ 5597.142277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.142277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.142277][ T7704] netlink_rcv_skb+0x130/0x360 [ 5597.142277][ T7704] netlink_unicast+0x449/0x710 [ 5597.142277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5597.142277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5597.142277][ T7704] ___sys_sendmsg+0xee/0x170 [ 5597.142277][ T7704] __sys_sendmsg+0xcd/0x170 [ 5597.142277][ T7704] do_syscall_64+0xc6/0x1e0 [ 5597.142277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.142277][ T7704] [ 5597.144040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5597.144040][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5597.144040][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5597.144040][ T7704] ipv6_find_idev+0x102/0x170 [ 5597.144040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.144040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.144040][ T7704] netlink_rcv_skb+0x130/0x360 [ 5597.144040][ T7704] netlink_unicast+0x449/0x710 [ 5597.144040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5597.144040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5597.144040][ T7704] ___sys_sendmsg+0xee/0x170 [ 5597.144040][ T7704] __sys_sendmsg+0xcd/0x170 [ 5597.144040][ T7704] do_syscall_64+0xc6/0x1e0 [ 5597.144040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.144040][ T7704] [ 5607.382965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5607.383494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5607.383494][ T7704] netdev_get_by_index+0x5e/0x80 [ 5607.383494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5607.383494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5607.383494][ T7704] ip6_route_add+0x1c/0x140 [ 5607.383494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5607.383494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5607.383494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.383494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.383494][ T7704] netlink_rcv_skb+0x130/0x360 [ 5607.383494][ T7704] netlink_unicast+0x449/0x710 [ 5607.383494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5607.383494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5607.383494][ T7704] ___sys_sendmsg+0xee/0x170 [ 5607.383494][ T7704] __sys_sendmsg+0xcd/0x170 [ 5607.383494][ T7704] do_syscall_64+0xc6/0x1e0 [ 5607.383494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.383494][ T7704] [ 5607.385736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5607.385736][ T7704] netdev_get_by_index+0x5e/0x80 [ 5607.385736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5607.385736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5607.385736][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5607.385736][ T7704] ipv6_add_addr+0x411/0x2000 [ 5607.385736][ T7704] inet6_addr_add+0x30e/0xa40 [ 5607.385736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.385736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.385736][ T7704] netlink_rcv_skb+0x130/0x360 [ 5607.385736][ T7704] netlink_unicast+0x449/0x710 [ 5607.385736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5607.385736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5607.385736][ T7704] ___sys_sendmsg+0xee/0x170 [ 5607.385736][ T7704] __sys_sendmsg+0xcd/0x170 [ 5607.385736][ T7704] do_syscall_64+0xc6/0x1e0 [ 5607.385736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.385736][ T7704] [ 5607.387957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5607.387957][ T7704] netdev_get_by_index+0x5e/0x80 [ 5607.387957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5607.387957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5607.387957][ T7704] ip6_route_add+0x1c/0x140 [ 5607.387957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.387957][ T7704] addrconf_add_dev+0xe2/0x170 [ 5607.387957][ T7704] inet6_addr_add+0x12f/0xa40 [ 5607.387957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.387957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.387957][ T7704] netlink_rcv_skb+0x130/0x360 [ 5607.387957][ T7704] netlink_unicast+0x449/0x710 [ 5607.387957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5607.387957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5607.387957][ T7704] ___sys_sendmsg+0xee/0x170 [ 5607.387957][ T7704] __sys_sendmsg+0xcd/0x170 [ 5607.387957][ T7704] do_syscall_64+0xc6/0x1e0 [ 5607.387957][ T7704] [ 5607.390141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5607.390141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5607.390141][ T7704] ipv6_find_idev+0x102/0x170 [ 5607.390141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.390141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.390141][ T7704] netlink_rcv_skb+0x130/0x360 [ 5607.390141][ T7704] netlink_unicast+0x449/0x710 [ 5607.390141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5607.390141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5607.390141][ T7704] ___sys_sendmsg+0xee/0x170 [ 5607.390141][ T7704] __sys_sendmsg+0xcd/0x170 [ 5607.390141][ T7704] do_syscall_64+0xc6/0x1e0 [ 5607.390141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.390141][ T7704] [ 5607.391962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5607.391962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5607.391962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5607.391962][ T7704] ipv6_find_idev+0x102/0x170 [ 5607.391962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.391962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.391962][ T7704] netlink_rcv_skb+0x130/0x360 [ 5607.391962][ T7704] netlink_unicast+0x449/0x710 [ 5607.391962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5607.391962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5607.391962][ T7704] ___sys_sendmsg+0xee/0x170 [ 5607.391962][ T7704] __sys_sendmsg+0xcd/0x170 [ 5607.391962][ T7704] do_syscall_64+0xc6/0x1e0 [ 5607.391962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.391962][ T7704] [ 5617.630963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5617.631466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5617.631466][ T7704] netdev_get_by_index+0x5e/0x80 [ 5617.631466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5617.631466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5617.631466][ T7704] ip6_route_add+0x1c/0x140 [ 5617.631466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5617.631466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5617.631466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.631466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.631466][ T7704] netlink_rcv_skb+0x130/0x360 [ 5617.631466][ T7704] netlink_unicast+0x449/0x710 [ 5617.631466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5617.631466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5617.631466][ T7704] ___sys_sendmsg+0xee/0x170 [ 5617.631466][ T7704] __sys_sendmsg+0xcd/0x170 [ 5617.631466][ T7704] do_syscall_64+0xc6/0x1e0 [ 5617.631466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.631466][ T7704] [ 5617.633795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5617.633795][ T7704] netdev_get_by_index+0x5e/0x80 [ 5617.633795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5617.633795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5617.633795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5617.633795][ T7704] ipv6_add_addr+0x411/0x2000 [ 5617.633795][ T7704] inet6_addr_add+0x30e/0xa40 [ 5617.633795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.633795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.633795][ T7704] netlink_rcv_skb+0x130/0x360 [ 5617.633795][ T7704] netlink_unicast+0x449/0x710 [ 5617.633795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5617.633795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5617.633795][ T7704] ___sys_sendmsg+0xee/0x170 [ 5617.633795][ T7704] __sys_sendmsg+0xcd/0x170 [ 5617.633795][ T7704] do_syscall_64+0xc6/0x1e0 [ 5617.633795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.633795][ T7704] [ 5617.636040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5617.636040][ T7704] netdev_get_by_index+0x5e/0x80 [ 5617.636040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5617.636040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5617.636040][ T7704] ip6_route_add+0x1c/0x140 [ 5617.636040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5617.636040][ T7704] addrconf_add_dev+0xe2/0x170 [ 5617.636040][ T7704] inet6_addr_add+0x12f/0xa40 [ 5617.636040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.636040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.636040][ T7704] netlink_rcv_skb+0x130/0x360 [ 5617.636040][ T7704] netlink_unicast+0x449/0x710 [ 5617.636040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5617.636040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5617.636040][ T7704] ___sys_sendmsg+0xee/0x170 [ 5617.636040][ T7704] __sys_sendmsg+0xcd/0x170 [ 5617.636040][ T7704] do_syscall_64+0xc6/0x1e0 [ 5617.636040][ T7704] [ 5617.638266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5617.638266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5617.638266][ T7704] ipv6_find_idev+0x102/0x170 [ 5617.638266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.638266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.638266][ T7704] netlink_rcv_skb+0x130/0x360 [ 5617.638266][ T7704] netlink_unicast+0x449/0x710 [ 5617.638266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5617.638266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5617.638266][ T7704] ___sys_sendmsg+0xee/0x170 [ 5617.638266][ T7704] __sys_sendmsg+0xcd/0x170 [ 5617.638266][ T7704] do_syscall_64+0xc6/0x1e0 [ 5617.638266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.638266][ T7704] [ 5617.639996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5617.639996][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5617.639996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5617.639996][ T7704] ipv6_find_idev+0x102/0x170 [ 5617.639996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.639996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.639996][ T7704] netlink_rcv_skb+0x130/0x360 [ 5617.639996][ T7704] netlink_unicast+0x449/0x710 [ 5617.639996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5617.639996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5617.639996][ T7704] ___sys_sendmsg+0xee/0x170 [ 5617.639996][ T7704] __sys_sendmsg+0xcd/0x170 [ 5617.639996][ T7704] do_syscall_64+0xc6/0x1e0 [ 5617.639996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.639996][ T7704] [ 5627.734935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5627.735440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5627.735440][ T7704] netdev_get_by_index+0x5e/0x80 [ 5627.735440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5627.735440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5627.735440][ T7704] ip6_route_add+0x1c/0x140 [ 5627.735440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5627.735440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5627.735440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5627.735440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5627.735440][ T7704] netlink_rcv_skb+0x130/0x360 [ 5627.735440][ T7704] netlink_unicast+0x449/0x710 [ 5627.735440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5627.735440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5627.735440][ T7704] ___sys_sendmsg+0xee/0x170 [ 5627.735440][ T7704] __sys_sendmsg+0xcd/0x170 [ 5627.735440][ T7704] do_syscall_64+0xc6/0x1e0 [ 5627.735440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5627.735440][ T7704] [ 5627.737691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5627.737691][ T7704] netdev_get_by_index+0x5e/0x80 [ 5627.737691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5627.737691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5627.737691][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5627.737691][ T7704] ipv6_add_addr+0x411/0x2000 [ 5627.737691][ T7704] inet6_addr_add+0x30e/0xa40 [ 5627.737691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5627.737691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5627.737691][ T7704] netlink_rcv_skb+0x130/0x360 [ 5627.737691][ T7704] netlink_unicast+0x449/0x710 [ 5627.737691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5627.737691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5627.737691][ T7704] ___sys_sendmsg+0xee/0x170 [ 5627.737691][ T7704] __sys_sendmsg+0xcd/0x170 [ 5627.737691][ T7704] do_syscall_64+0xc6/0x1e0 [ 5627.737691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5627.737691][ T7704] [ 5627.739914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5627.739914][ T7704] netdev_get_by_index+0x5e/0x80 [ 5627.739914][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5627.739914][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5627.739914][ T7704] ip6_route_add+0x1c/0x140 [ 5627.739914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5627.739914][ T7704] addrconf_add_dev+0xe2/0x170 [ 5627.739914][ T7704] inet6_addr_add+0x12f/0xa40 [ 5627.739914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5627.739914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5627.739914][ T7704] netlink_rcv_skb+0x130/0x360 [ 5627.739914][ T7704] netlink_unicast+0x449/0x710 [ 5627.739914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5627.739914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5627.739914][ T7704] ___sys_sendmsg+0xee/0x170 [ 5627.739914][ T7704] __sys_sendmsg+0xcd/0x170 [ 5627.739914][ T7704] do_syscall_64+0xc6/0x1e0 [ 5627.739914][ T7704] [ 5627.742104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5627.742104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5627.742104][ T7704] ipv6_find_idev+0x102/0x170 [ 5627.742104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5627.742104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5627.742104][ T7704] netlink_rcv_skb+0x130/0x360 [ 5627.742104][ T7704] netlink_unicast+0x449/0x710 [ 5627.742104][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5627.742104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5627.742104][ T7704] ___sys_sendmsg+0xee/0x170 [ 5627.742104][ T7704] __sys_sendmsg+0xcd/0x170 [ 5627.742104][ T7704] do_syscall_64+0xc6/0x1e0 [ 5627.742104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5627.742104][ T7704] [ 5627.743866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5627.743866][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5627.743866][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5627.743866][ T7704] ipv6_find_idev+0x102/0x170 [ 5627.743866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5627.743866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5627.743866][ T7704] netlink_rcv_skb+0x130/0x360 [ 5627.743866][ T7704] netlink_unicast+0x449/0x710 [ 5627.743866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5627.743866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5627.743866][ T7704] ___sys_sendmsg+0xee/0x170 [ 5627.743866][ T7704] __sys_sendmsg+0xcd/0x170 [ 5627.743866][ T7704] do_syscall_64+0xc6/0x1e0 [ 5627.743866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5627.743866][ T7704] [ 5637.774930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5637.775481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5637.775481][ T7704] netdev_get_by_index+0x5e/0x80 [ 5637.775481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5637.775481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5637.775481][ T7704] ip6_route_add+0x1c/0x140 [ 5637.775481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5637.775481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5637.775481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.775481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.775481][ T7704] netlink_rcv_skb+0x130/0x360 [ 5637.775481][ T7704] netlink_unicast+0x449/0x710 [ 5637.775481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5637.775481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5637.775481][ T7704] ___sys_sendmsg+0xee/0x170 [ 5637.775481][ T7704] __sys_sendmsg+0xcd/0x170 [ 5637.775481][ T7704] do_syscall_64+0xc6/0x1e0 [ 5637.775481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.775481][ T7704] [ 5637.777897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5637.777897][ T7704] netdev_get_by_index+0x5e/0x80 [ 5637.777897][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5637.777897][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5637.777897][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5637.777897][ T7704] ipv6_add_addr+0x411/0x2000 [ 5637.777897][ T7704] inet6_addr_add+0x30e/0xa40 [ 5637.777897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.777897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.777897][ T7704] netlink_rcv_skb+0x130/0x360 [ 5637.777897][ T7704] netlink_unicast+0x449/0x710 [ 5637.777897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5637.777897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5637.777897][ T7704] ___sys_sendmsg+0xee/0x170 [ 5637.777897][ T7704] __sys_sendmsg+0xcd/0x170 [ 5637.777897][ T7704] do_syscall_64+0xc6/0x1e0 [ 5637.777897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.777897][ T7704] [ 5637.780185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5637.780185][ T7704] netdev_get_by_index+0x5e/0x80 [ 5637.780185][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5637.780185][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5637.780185][ T7704] ip6_route_add+0x1c/0x140 [ 5637.780185][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5637.780185][ T7704] addrconf_add_dev+0xe2/0x170 [ 5637.780185][ T7704] inet6_addr_add+0x12f/0xa40 [ 5637.780185][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.780185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.780185][ T7704] netlink_rcv_skb+0x130/0x360 [ 5637.780185][ T7704] netlink_unicast+0x449/0x710 [ 5637.780185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5637.780185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5637.780185][ T7704] ___sys_sendmsg+0xee/0x170 [ 5637.780185][ T7704] __sys_sendmsg+0xcd/0x170 [ 5637.780185][ T7704] do_syscall_64+0xc6/0x1e0 [ 5637.780185][ T7704] [ 5637.782424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5637.782424][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5637.782424][ T7704] ipv6_find_idev+0x102/0x170 [ 5637.782424][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5637.782424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.782424][ T7704] netlink_rcv_skb+0x130/0x360 [ 5637.782424][ T7704] netlink_unicast+0x449/0x710 [ 5637.782424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5637.782424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5637.782424][ T7704] ___sys_sendmsg+0xee/0x170 [ 5637.782424][ T7704] __sys_sendmsg+0xcd/0x170 [ 5637.782424][ T7704] do_syscall_64+0xc6/0x1e0 [ 5637.782424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.782424][ T7704] [ 5637.784193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5637.784193][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5637.784193][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5637.784193][ T7704] ipv6_find_idev+0x102/0x170 [ 5637.784193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5637.784193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.784193][ T7704] netlink_rcv_skb+0x130/0x360 [ 5637.784193][ T7704] netlink_unicast+0x449/0x710 [ 5637.784193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5637.784193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5637.784193][ T7704] ___sys_sendmsg+0xee/0x170 [ 5637.784193][ T7704] __sys_sendmsg+0xcd/0x170 [ 5637.784193][ T7704] do_syscall_64+0xc6/0x1e0 [ 5637.784193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.784193][ T7704] [ 5648.022943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5648.023545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5648.023545][ T7704] netdev_get_by_index+0x5e/0x80 [ 5648.023545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5648.023545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5648.023545][ T7704] ip6_route_add+0x1c/0x140 [ 5648.023545][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5648.023545][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5648.023545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.023545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.023545][ T7704] netlink_rcv_skb+0x130/0x360 [ 5648.023545][ T7704] netlink_unicast+0x449/0x710 [ 5648.023545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5648.023545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5648.023545][ T7704] ___sys_sendmsg+0xee/0x170 [ 5648.023545][ T7704] __sys_sendmsg+0xcd/0x170 [ 5648.023545][ T7704] do_syscall_64+0xc6/0x1e0 [ 5648.023545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.023545][ T7704] [ 5648.025957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5648.025957][ T7704] netdev_get_by_index+0x5e/0x80 [ 5648.025957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5648.025957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5648.025957][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5648.025957][ T7704] ipv6_add_addr+0x411/0x2000 [ 5648.025957][ T7704] inet6_addr_add+0x30e/0xa40 [ 5648.025957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.025957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.025957][ T7704] netlink_rcv_skb+0x130/0x360 [ 5648.025957][ T7704] netlink_unicast+0x449/0x710 [ 5648.025957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5648.025957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5648.025957][ T7704] ___sys_sendmsg+0xee/0x170 [ 5648.025957][ T7704] __sys_sendmsg+0xcd/0x170 [ 5648.025957][ T7704] do_syscall_64+0xc6/0x1e0 [ 5648.025957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.025957][ T7704] [ 5648.028239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5648.028239][ T7704] netdev_get_by_index+0x5e/0x80 [ 5648.028239][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5648.028239][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5648.028239][ T7704] ip6_route_add+0x1c/0x140 [ 5648.028239][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.028239][ T7704] addrconf_add_dev+0xe2/0x170 [ 5648.028239][ T7704] inet6_addr_add+0x12f/0xa40 [ 5648.028239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.028239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.028239][ T7704] netlink_rcv_skb+0x130/0x360 [ 5648.028239][ T7704] netlink_unicast+0x449/0x710 [ 5648.028239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5648.028239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5648.028239][ T7704] ___sys_sendmsg+0xee/0x170 [ 5648.028239][ T7704] __sys_sendmsg+0xcd/0x170 [ 5648.028239][ T7704] do_syscall_64+0xc6/0x1e0 [ 5648.028239][ T7704] [ 5648.030481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5648.030481][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5648.030481][ T7704] ipv6_find_idev+0x102/0x170 [ 5648.030481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.030481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.030481][ T7704] netlink_rcv_skb+0x130/0x360 [ 5648.030481][ T7704] netlink_unicast+0x449/0x710 [ 5648.030481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5648.030481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5648.030481][ T7704] ___sys_sendmsg+0xee/0x170 [ 5648.030481][ T7704] __sys_sendmsg+0xcd/0x170 [ 5648.030481][ T7704] do_syscall_64+0xc6/0x1e0 [ 5648.030481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.030481][ T7704] [ 5648.032241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5648.032241][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5648.032241][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5648.032241][ T7704] ipv6_find_idev+0x102/0x170 [ 5648.032241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.032241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.032241][ T7704] netlink_rcv_skb+0x130/0x360 [ 5648.032241][ T7704] netlink_unicast+0x449/0x710 [ 5648.032241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5648.032241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5648.032241][ T7704] ___sys_sendmsg+0xee/0x170 [ 5648.032241][ T7704] __sys_sendmsg+0xcd/0x170 [ 5648.032241][ T7704] do_syscall_64+0xc6/0x1e0 [ 5648.032241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.032241][ T7704] [ 5658.270937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5658.271466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5658.271466][ T7704] netdev_get_by_index+0x5e/0x80 [ 5658.271466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5658.271466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5658.271466][ T7704] ip6_route_add+0x1c/0x140 [ 5658.271466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5658.271466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5658.271466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.271466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.271466][ T7704] netlink_rcv_skb+0x130/0x360 [ 5658.271466][ T7704] netlink_unicast+0x449/0x710 [ 5658.271466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5658.271466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5658.271466][ T7704] ___sys_sendmsg+0xee/0x170 [ 5658.271466][ T7704] __sys_sendmsg+0xcd/0x170 [ 5658.271466][ T7704] do_syscall_64+0xc6/0x1e0 [ 5658.271466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.271466][ T7704] [ 5658.273789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5658.273789][ T7704] netdev_get_by_index+0x5e/0x80 [ 5658.273789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5658.273789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5658.273789][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5658.273789][ T7704] ipv6_add_addr+0x411/0x2000 [ 5658.273789][ T7704] inet6_addr_add+0x30e/0xa40 [ 5658.273789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.273789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.273789][ T7704] netlink_rcv_skb+0x130/0x360 [ 5658.273789][ T7704] netlink_unicast+0x449/0x710 [ 5658.273789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5658.273789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5658.273789][ T7704] ___sys_sendmsg+0xee/0x170 [ 5658.273789][ T7704] __sys_sendmsg+0xcd/0x170 [ 5658.273789][ T7704] do_syscall_64+0xc6/0x1e0 [ 5658.273789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.273789][ T7704] [ 5658.276071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5658.276071][ T7704] netdev_get_by_index+0x5e/0x80 [ 5658.276071][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5658.276071][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5658.276071][ T7704] ip6_route_add+0x1c/0x140 [ 5658.276071][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5658.276071][ T7704] addrconf_add_dev+0xe2/0x170 [ 5658.276071][ T7704] inet6_addr_add+0x12f/0xa40 [ 5658.276071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.276071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.276071][ T7704] netlink_rcv_skb+0x130/0x360 [ 5658.276071][ T7704] netlink_unicast+0x449/0x710 [ 5658.276071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5658.276071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5658.276071][ T7704] ___sys_sendmsg+0xee/0x170 [ 5658.276071][ T7704] __sys_sendmsg+0xcd/0x170 [ 5658.276071][ T7704] do_syscall_64+0xc6/0x1e0 [ 5658.276071][ T7704] [ 5658.278313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5658.278313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5658.278313][ T7704] ipv6_find_idev+0x102/0x170 [ 5658.278313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.278313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.278313][ T7704] netlink_rcv_skb+0x130/0x360 [ 5658.278313][ T7704] netlink_unicast+0x449/0x710 [ 5658.278313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5658.278313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5658.278313][ T7704] ___sys_sendmsg+0xee/0x170 [ 5658.278313][ T7704] __sys_sendmsg+0xcd/0x170 [ 5658.278313][ T7704] do_syscall_64+0xc6/0x1e0 [ 5658.278313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.278313][ T7704] [ 5658.280053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5658.280053][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5658.280053][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5658.280053][ T7704] ipv6_find_idev+0x102/0x170 [ 5658.280053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.280053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.280053][ T7704] netlink_rcv_skb+0x130/0x360 [ 5658.280053][ T7704] netlink_unicast+0x449/0x710 [ 5658.280053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5658.280053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5658.280053][ T7704] ___sys_sendmsg+0xee/0x170 [ 5658.280053][ T7704] __sys_sendmsg+0xcd/0x170 [ 5658.280053][ T7704] do_syscall_64+0xc6/0x1e0 [ 5658.280053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.280053][ T7704] [ 5668.502944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5668.503463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5668.503463][ T7704] netdev_get_by_index+0x5e/0x80 [ 5668.503463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5668.503463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5668.503463][ T7704] ip6_route_add+0x1c/0x140 [ 5668.503463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5668.503463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5668.503463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5668.503463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5668.503463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5668.503463][ T7704] netlink_unicast+0x449/0x710 [ 5668.503463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5668.503463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5668.503463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5668.503463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5668.503463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5668.503463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5668.503463][ T7704] [ 5668.505769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5668.505769][ T7704] netdev_get_by_index+0x5e/0x80 [ 5668.505769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5668.505769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5668.505769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5668.505769][ T7704] ipv6_add_addr+0x411/0x2000 [ 5668.505769][ T7704] inet6_addr_add+0x30e/0xa40 [ 5668.505769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5668.505769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5668.505769][ T7704] netlink_rcv_skb+0x130/0x360 [ 5668.505769][ T7704] netlink_unicast+0x449/0x710 [ 5668.505769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5668.505769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5668.505769][ T7704] ___sys_sendmsg+0xee/0x170 [ 5668.505769][ T7704] __sys_sendmsg+0xcd/0x170 [ 5668.505769][ T7704] do_syscall_64+0xc6/0x1e0 [ 5668.505769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5668.505769][ T7704] [ 5668.508070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5668.508070][ T7704] netdev_get_by_index+0x5e/0x80 [ 5668.508070][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5668.508070][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5668.508070][ T7704] ip6_route_add+0x1c/0x140 [ 5668.508070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5668.508070][ T7704] addrconf_add_dev+0xe2/0x170 [ 5668.508070][ T7704] inet6_addr_add+0x12f/0xa40 [ 5668.508070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5668.508070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5668.508070][ T7704] netlink_rcv_skb+0x130/0x360 [ 5668.508070][ T7704] netlink_unicast+0x449/0x710 [ 5668.508070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5668.508070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5668.508070][ T7704] ___sys_sendmsg+0xee/0x170 [ 5668.508070][ T7704] __sys_sendmsg+0xcd/0x170 [ 5668.508070][ T7704] do_syscall_64+0xc6/0x1e0 [ 5668.508070][ T7704] [ 5668.510304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5668.510304][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5668.510304][ T7704] ipv6_find_idev+0x102/0x170 [ 5668.510304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5668.510304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5668.510304][ T7704] netlink_rcv_skb+0x130/0x360 [ 5668.510304][ T7704] netlink_unicast+0x449/0x710 [ 5668.510304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5668.510304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5668.510304][ T7704] ___sys_sendmsg+0xee/0x170 [ 5668.510304][ T7704] __sys_sendmsg+0xcd/0x170 [ 5668.510304][ T7704] do_syscall_64+0xc6/0x1e0 [ 5668.510304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5668.510304][ T7704] [ 5668.512057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5668.512057][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5668.512057][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5668.512057][ T7704] ipv6_find_idev+0x102/0x170 [ 5668.512057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5668.512057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5668.512057][ T7704] netlink_rcv_skb+0x130/0x360 [ 5668.512057][ T7704] netlink_unicast+0x449/0x710 [ 5668.512057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5668.512057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5668.512057][ T7704] ___sys_sendmsg+0xee/0x170 [ 5668.512057][ T7704] __sys_sendmsg+0xcd/0x170 [ 5668.512057][ T7704] do_syscall_64+0xc6/0x1e0 [ 5668.512057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5668.512057][ T7704] [ 5678.750974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5678.751530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5678.751530][ T7704] netdev_get_by_index+0x5e/0x80 [ 5678.751530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5678.751530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5678.751530][ T7704] ip6_route_add+0x1c/0x140 [ 5678.751530][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5678.751530][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5678.751530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.751530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.751530][ T7704] netlink_rcv_skb+0x130/0x360 [ 5678.751530][ T7704] netlink_unicast+0x449/0x710 [ 5678.751530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5678.751530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5678.751530][ T7704] ___sys_sendmsg+0xee/0x170 [ 5678.751530][ T7704] __sys_sendmsg+0xcd/0x170 [ 5678.751530][ T7704] do_syscall_64+0xc6/0x1e0 [ 5678.751530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.751530][ T7704] [ 5678.754374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5678.754374][ T7704] netdev_get_by_index+0x5e/0x80 [ 5678.754374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5678.754374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5678.754374][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5678.754374][ T7704] ipv6_add_addr+0x411/0x2000 [ 5678.754374][ T7704] inet6_addr_add+0x30e/0xa40 [ 5678.754374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.754374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.754374][ T7704] netlink_rcv_skb+0x130/0x360 [ 5678.754374][ T7704] netlink_unicast+0x449/0x710 [ 5678.754374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5678.754374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5678.754374][ T7704] ___sys_sendmsg+0xee/0x170 [ 5678.754374][ T7704] __sys_sendmsg+0xcd/0x170 [ 5678.754374][ T7704] do_syscall_64+0xc6/0x1e0 [ 5678.754374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.754374][ T7704] [ 5678.759462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5678.759462][ T7704] netdev_get_by_index+0x5e/0x80 [ 5678.759462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5678.759462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5678.759462][ T7704] ip6_route_add+0x1c/0x140 [ 5678.759462][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5678.759462][ T7704] addrconf_add_dev+0xe2/0x170 [ 5678.759462][ T7704] inet6_addr_add+0x12f/0xa40 [ 5678.759462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.759462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.759462][ T7704] netlink_rcv_skb+0x130/0x360 [ 5678.759462][ T7704] netlink_unicast+0x449/0x710 [ 5678.759462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5678.759462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5678.759462][ T7704] ___sys_sendmsg+0xee/0x170 [ 5678.759462][ T7704] __sys_sendmsg+0xcd/0x170 [ 5678.759462][ T7704] do_syscall_64+0xc6/0x1e0 [ 5678.759462][ T7704] [ 5678.761699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5678.761699][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5678.761699][ T7704] ipv6_find_idev+0x102/0x170 [ 5678.761699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5678.761699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.761699][ T7704] netlink_rcv_skb+0x130/0x360 [ 5678.761699][ T7704] netlink_unicast+0x449/0x710 [ 5678.761699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5678.761699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5678.761699][ T7704] ___sys_sendmsg+0xee/0x170 [ 5678.761699][ T7704] __sys_sendmsg+0xcd/0x170 [ 5678.761699][ T7704] do_syscall_64+0xc6/0x1e0 [ 5678.761699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.761699][ T7704] [ 5678.763435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5678.763435][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5678.763435][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5678.763435][ T7704] ipv6_find_idev+0x102/0x170 [ 5678.763435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5678.763435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.763435][ T7704] netlink_rcv_skb+0x130/0x360 [ 5678.763435][ T7704] netlink_unicast+0x449/0x710 [ 5678.763435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5678.763435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5678.763435][ T7704] ___sys_sendmsg+0xee/0x170 [ 5678.763435][ T7704] __sys_sendmsg+0xcd/0x170 [ 5678.763435][ T7704] do_syscall_64+0xc6/0x1e0 [ 5678.763435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.763435][ T7704] [ 5688.862884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5688.863392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5688.863392][ T7704] netdev_get_by_index+0x5e/0x80 [ 5688.863392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5688.863392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5688.863392][ T7704] ip6_route_add+0x1c/0x140 [ 5688.863392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5688.863392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5688.863392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.863392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.863392][ T7704] netlink_rcv_skb+0x130/0x360 [ 5688.863392][ T7704] netlink_unicast+0x449/0x710 [ 5688.863392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5688.863392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5688.863392][ T7704] ___sys_sendmsg+0xee/0x170 [ 5688.863392][ T7704] __sys_sendmsg+0xcd/0x170 [ 5688.863392][ T7704] do_syscall_64+0xc6/0x1e0 [ 5688.863392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.863392][ T7704] [ 5688.865683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5688.865683][ T7704] netdev_get_by_index+0x5e/0x80 [ 5688.865683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5688.865683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5688.865683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5688.865683][ T7704] ipv6_add_addr+0x411/0x2000 [ 5688.865683][ T7704] inet6_addr_add+0x30e/0xa40 [ 5688.865683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.865683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.865683][ T7704] netlink_rcv_skb+0x130/0x360 [ 5688.865683][ T7704] netlink_unicast+0x449/0x710 [ 5688.865683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5688.865683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5688.865683][ T7704] ___sys_sendmsg+0xee/0x170 [ 5688.865683][ T7704] __sys_sendmsg+0xcd/0x170 [ 5688.865683][ T7704] do_syscall_64+0xc6/0x1e0 [ 5688.865683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.865683][ T7704] [ 5688.867920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5688.867920][ T7704] netdev_get_by_index+0x5e/0x80 [ 5688.867920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5688.867920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5688.867920][ T7704] ip6_route_add+0x1c/0x140 [ 5688.867920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5688.867920][ T7704] addrconf_add_dev+0xe2/0x170 [ 5688.867920][ T7704] inet6_addr_add+0x12f/0xa40 [ 5688.867920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.867920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.867920][ T7704] netlink_rcv_skb+0x130/0x360 [ 5688.867920][ T7704] netlink_unicast+0x449/0x710 [ 5688.867920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5688.867920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5688.867920][ T7704] ___sys_sendmsg+0xee/0x170 [ 5688.867920][ T7704] __sys_sendmsg+0xcd/0x170 [ 5688.867920][ T7704] do_syscall_64+0xc6/0x1e0 [ 5688.867920][ T7704] [ 5688.870132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5688.870132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5688.870132][ T7704] ipv6_find_idev+0x102/0x170 [ 5688.870132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5688.870132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.870132][ T7704] netlink_rcv_skb+0x130/0x360 [ 5688.870132][ T7704] netlink_unicast+0x449/0x710 [ 5688.870132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5688.870132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5688.870132][ T7704] ___sys_sendmsg+0xee/0x170 [ 5688.870132][ T7704] __sys_sendmsg+0xcd/0x170 [ 5688.870132][ T7704] do_syscall_64+0xc6/0x1e0 [ 5688.870132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.870132][ T7704] [ 5688.871854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5688.871854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5688.871854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5688.871854][ T7704] ipv6_find_idev+0x102/0x170 [ 5688.871854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5688.871854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.871854][ T7704] netlink_rcv_skb+0x130/0x360 [ 5688.871854][ T7704] netlink_unicast+0x449/0x710 [ 5688.871854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5688.871854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5688.871854][ T7704] ___sys_sendmsg+0xee/0x170 [ 5688.871854][ T7704] __sys_sendmsg+0xcd/0x170 [ 5688.871854][ T7704] do_syscall_64+0xc6/0x1e0 [ 5688.871854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.871854][ T7704] [ 5699.110935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5699.111434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5699.111434][ T7704] netdev_get_by_index+0x5e/0x80 [ 5699.111434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5699.111434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5699.111434][ T7704] ip6_route_add+0x1c/0x140 [ 5699.111434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5699.111434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5699.111434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5699.111434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5699.111434][ T7704] netlink_rcv_skb+0x130/0x360 [ 5699.111434][ T7704] netlink_unicast+0x449/0x710 [ 5699.111434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5699.111434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5699.111434][ T7704] ___sys_sendmsg+0xee/0x170 [ 5699.111434][ T7704] __sys_sendmsg+0xcd/0x170 [ 5699.111434][ T7704] do_syscall_64+0xc6/0x1e0 [ 5699.111434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5699.111434][ T7704] [ 5699.113734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5699.113734][ T7704] netdev_get_by_index+0x5e/0x80 [ 5699.113734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5699.113734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5699.113734][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5699.113734][ T7704] ipv6_add_addr+0x411/0x2000 [ 5699.113734][ T7704] inet6_addr_add+0x30e/0xa40 [ 5699.113734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5699.113734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5699.113734][ T7704] netlink_rcv_skb+0x130/0x360 [ 5699.113734][ T7704] netlink_unicast+0x449/0x710 [ 5699.113734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5699.113734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5699.113734][ T7704] ___sys_sendmsg+0xee/0x170 [ 5699.113734][ T7704] __sys_sendmsg+0xcd/0x170 [ 5699.113734][ T7704] do_syscall_64+0xc6/0x1e0 [ 5699.113734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5699.113734][ T7704] [ 5699.115966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5699.115966][ T7704] netdev_get_by_index+0x5e/0x80 [ 5699.115966][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5699.115966][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5699.115966][ T7704] ip6_route_add+0x1c/0x140 [ 5699.115966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5699.115966][ T7704] addrconf_add_dev+0xe2/0x170 [ 5699.115966][ T7704] inet6_addr_add+0x12f/0xa40 [ 5699.115966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5699.115966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5699.115966][ T7704] netlink_rcv_skb+0x130/0x360 [ 5699.115966][ T7704] netlink_unicast+0x449/0x710 [ 5699.115966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5699.115966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5699.115966][ T7704] ___sys_sendmsg+0xee/0x170 [ 5699.115966][ T7704] __sys_sendmsg+0xcd/0x170 [ 5699.115966][ T7704] do_syscall_64+0xc6/0x1e0 [ 5699.115966][ T7704] [ 5699.118166][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5699.118166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5699.118166][ T7704] ipv6_find_idev+0x102/0x170 [ 5699.118166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5699.118166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5699.118166][ T7704] netlink_rcv_skb+0x130/0x360 [ 5699.118166][ T7704] netlink_unicast+0x449/0x710 [ 5699.118166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5699.118166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5699.118166][ T7704] ___sys_sendmsg+0xee/0x170 [ 5699.118166][ T7704] __sys_sendmsg+0xcd/0x170 [ 5699.118166][ T7704] do_syscall_64+0xc6/0x1e0 [ 5699.118166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5699.118166][ T7704] [ 5699.119886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5699.119886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5699.119886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5699.119886][ T7704] ipv6_find_idev+0x102/0x170 [ 5699.119886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5699.119886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5699.119886][ T7704] netlink_rcv_skb+0x130/0x360 [ 5699.119886][ T7704] netlink_unicast+0x449/0x710 [ 5699.119886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5699.119886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5699.119886][ T7704] ___sys_sendmsg+0xee/0x170 [ 5699.119886][ T7704] __sys_sendmsg+0xcd/0x170 [ 5699.119886][ T7704] do_syscall_64+0xc6/0x1e0 [ 5699.119886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5699.119886][ T7704] [ 5709.222956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5709.223462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5709.223462][ T7704] netdev_get_by_index+0x5e/0x80 [ 5709.223462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5709.223462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5709.223462][ T7704] ip6_route_add+0x1c/0x140 [ 5709.223462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5709.223462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5709.223462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5709.223462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5709.223462][ T7704] netlink_rcv_skb+0x130/0x360 [ 5709.223462][ T7704] netlink_unicast+0x449/0x710 [ 5709.223462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5709.223462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5709.223462][ T7704] ___sys_sendmsg+0xee/0x170 [ 5709.223462][ T7704] __sys_sendmsg+0xcd/0x170 [ 5709.223462][ T7704] do_syscall_64+0xc6/0x1e0 [ 5709.223462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5709.223462][ T7704] [ 5709.225711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5709.225711][ T7704] netdev_get_by_index+0x5e/0x80 [ 5709.225711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5709.225711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5709.225711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5709.225711][ T7704] ipv6_add_addr+0x411/0x2000 [ 5709.225711][ T7704] inet6_addr_add+0x30e/0xa40 [ 5709.225711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5709.225711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5709.225711][ T7704] netlink_rcv_skb+0x130/0x360 [ 5709.225711][ T7704] netlink_unicast+0x449/0x710 [ 5709.225711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5709.225711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5709.225711][ T7704] ___sys_sendmsg+0xee/0x170 [ 5709.225711][ T7704] __sys_sendmsg+0xcd/0x170 [ 5709.225711][ T7704] do_syscall_64+0xc6/0x1e0 [ 5709.225711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5709.225711][ T7704] [ 5709.227938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5709.227938][ T7704] netdev_get_by_index+0x5e/0x80 [ 5709.227938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5709.227938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5709.227938][ T7704] ip6_route_add+0x1c/0x140 [ 5709.227938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5709.227938][ T7704] addrconf_add_dev+0xe2/0x170 [ 5709.227938][ T7704] inet6_addr_add+0x12f/0xa40 [ 5709.227938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5709.227938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5709.227938][ T7704] netlink_rcv_skb+0x130/0x360 [ 5709.227938][ T7704] netlink_unicast+0x449/0x710 [ 5709.227938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5709.227938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5709.227938][ T7704] ___sys_sendmsg+0xee/0x170 [ 5709.227938][ T7704] __sys_sendmsg+0xcd/0x170 [ 5709.227938][ T7704] do_syscall_64+0xc6/0x1e0 [ 5709.227938][ T7704] [ 5709.230128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5709.230128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5709.230128][ T7704] ipv6_find_idev+0x102/0x170 [ 5709.230128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5709.230128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5709.230128][ T7704] netlink_rcv_skb+0x130/0x360 [ 5709.230128][ T7704] netlink_unicast+0x449/0x710 [ 5709.230128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5709.230128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5709.230128][ T7704] ___sys_sendmsg+0xee/0x170 [ 5709.230128][ T7704] __sys_sendmsg+0xcd/0x170 [ 5709.230128][ T7704] do_syscall_64+0xc6/0x1e0 [ 5709.230128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5709.230128][ T7704] [ 5709.231835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5709.231835][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5709.231835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5709.231835][ T7704] ipv6_find_idev+0x102/0x170 [ 5709.231835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5709.231835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5709.231835][ T7704] netlink_rcv_skb+0x130/0x360 [ 5709.231835][ T7704] netlink_unicast+0x449/0x710 [ 5709.231835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5709.231835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5709.231835][ T7704] ___sys_sendmsg+0xee/0x170 [ 5709.231835][ T7704] __sys_sendmsg+0xcd/0x170 [ 5709.231835][ T7704] do_syscall_64+0xc6/0x1e0 [ 5709.231835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5709.231835][ T7704] [ 5719.470934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5719.471438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5719.471438][ T7704] netdev_get_by_index+0x5e/0x80 [ 5719.471438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5719.471438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5719.471438][ T7704] ip6_route_add+0x1c/0x140 [ 5719.471438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5719.471438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5719.471438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.471438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.471438][ T7704] netlink_rcv_skb+0x130/0x360 [ 5719.471438][ T7704] netlink_unicast+0x449/0x710 [ 5719.471438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5719.471438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5719.471438][ T7704] ___sys_sendmsg+0xee/0x170 [ 5719.471438][ T7704] __sys_sendmsg+0xcd/0x170 [ 5719.471438][ T7704] do_syscall_64+0xc6/0x1e0 [ 5719.471438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.471438][ T7704] [ 5719.473708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5719.473708][ T7704] netdev_get_by_index+0x5e/0x80 [ 5719.473708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5719.473708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5719.473708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5719.473708][ T7704] ipv6_add_addr+0x411/0x2000 [ 5719.473708][ T7704] inet6_addr_add+0x30e/0xa40 [ 5719.473708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.473708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.473708][ T7704] netlink_rcv_skb+0x130/0x360 [ 5719.473708][ T7704] netlink_unicast+0x449/0x710 [ 5719.473708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5719.473708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5719.473708][ T7704] ___sys_sendmsg+0xee/0x170 [ 5719.473708][ T7704] __sys_sendmsg+0xcd/0x170 [ 5719.473708][ T7704] do_syscall_64+0xc6/0x1e0 [ 5719.473708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.473708][ T7704] [ 5719.475962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5719.475962][ T7704] netdev_get_by_index+0x5e/0x80 [ 5719.475962][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5719.475962][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5719.475962][ T7704] ip6_route_add+0x1c/0x140 [ 5719.475962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5719.475962][ T7704] addrconf_add_dev+0xe2/0x170 [ 5719.475962][ T7704] inet6_addr_add+0x12f/0xa40 [ 5719.475962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.475962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.475962][ T7704] netlink_rcv_skb+0x130/0x360 [ 5719.475962][ T7704] netlink_unicast+0x449/0x710 [ 5719.475962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5719.475962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5719.475962][ T7704] ___sys_sendmsg+0xee/0x170 [ 5719.475962][ T7704] __sys_sendmsg+0xcd/0x170 [ 5719.475962][ T7704] do_syscall_64+0xc6/0x1e0 [ 5719.475962][ T7704] [ 5719.478145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5719.478145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5719.478145][ T7704] ipv6_find_idev+0x102/0x170 [ 5719.478145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5719.478145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.478145][ T7704] netlink_rcv_skb+0x130/0x360 [ 5719.478145][ T7704] netlink_unicast+0x449/0x710 [ 5719.478145][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5719.478145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5719.478145][ T7704] ___sys_sendmsg+0xee/0x170 [ 5719.478145][ T7704] __sys_sendmsg+0xcd/0x170 [ 5719.478145][ T7704] do_syscall_64+0xc6/0x1e0 [ 5719.478145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.478145][ T7704] [ 5719.479847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5719.479847][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5719.479847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5719.479847][ T7704] ipv6_find_idev+0x102/0x170 [ 5719.479847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5719.479847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.479847][ T7704] netlink_rcv_skb+0x130/0x360 [ 5719.479847][ T7704] netlink_unicast+0x449/0x710 [ 5719.479847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5719.479847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5719.479847][ T7704] ___sys_sendmsg+0xee/0x170 [ 5719.479847][ T7704] __sys_sendmsg+0xcd/0x170 [ 5719.479847][ T7704] do_syscall_64+0xc6/0x1e0 [ 5719.479847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.479847][ T7704] [ 5729.718935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5729.719455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5729.719455][ T7704] netdev_get_by_index+0x5e/0x80 [ 5729.719455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5729.719455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5729.719455][ T7704] ip6_route_add+0x1c/0x140 [ 5729.719455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5729.719455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5729.719455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.719455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.719455][ T7704] netlink_rcv_skb+0x130/0x360 [ 5729.719455][ T7704] netlink_unicast+0x449/0x710 [ 5729.719455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5729.719455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5729.719455][ T7704] ___sys_sendmsg+0xee/0x170 [ 5729.719455][ T7704] __sys_sendmsg+0xcd/0x170 [ 5729.719455][ T7704] do_syscall_64+0xc6/0x1e0 [ 5729.719455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.719455][ T7704] [ 5729.721779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5729.721779][ T7704] netdev_get_by_index+0x5e/0x80 [ 5729.721779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5729.721779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5729.721779][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5729.721779][ T7704] ipv6_add_addr+0x411/0x2000 [ 5729.721779][ T7704] inet6_addr_add+0x30e/0xa40 [ 5729.721779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.721779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.721779][ T7704] netlink_rcv_skb+0x130/0x360 [ 5729.721779][ T7704] netlink_unicast+0x449/0x710 [ 5729.721779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5729.721779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5729.721779][ T7704] ___sys_sendmsg+0xee/0x170 [ 5729.721779][ T7704] __sys_sendmsg+0xcd/0x170 [ 5729.721779][ T7704] do_syscall_64+0xc6/0x1e0 [ 5729.721779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.721779][ T7704] [ 5729.724062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5729.724062][ T7704] netdev_get_by_index+0x5e/0x80 [ 5729.724062][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5729.724062][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5729.724062][ T7704] ip6_route_add+0x1c/0x140 [ 5729.724062][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5729.724062][ T7704] addrconf_add_dev+0xe2/0x170 [ 5729.724062][ T7704] inet6_addr_add+0x12f/0xa40 [ 5729.724062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.724062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.724062][ T7704] netlink_rcv_skb+0x130/0x360 [ 5729.724062][ T7704] netlink_unicast+0x449/0x710 [ 5729.724062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5729.724062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5729.724062][ T7704] ___sys_sendmsg+0xee/0x170 [ 5729.724062][ T7704] __sys_sendmsg+0xcd/0x170 [ 5729.724062][ T7704] do_syscall_64+0xc6/0x1e0 [ 5729.724062][ T7704] [ 5729.726307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5729.726307][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5729.726307][ T7704] ipv6_find_idev+0x102/0x170 [ 5729.726307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.726307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.726307][ T7704] netlink_rcv_skb+0x130/0x360 [ 5729.726307][ T7704] netlink_unicast+0x449/0x710 [ 5729.726307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5729.726307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5729.726307][ T7704] ___sys_sendmsg+0xee/0x170 [ 5729.726307][ T7704] __sys_sendmsg+0xcd/0x170 [ 5729.726307][ T7704] do_syscall_64+0xc6/0x1e0 [ 5729.726307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.726307][ T7704] [ 5729.728050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5729.728050][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5729.728050][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5729.728050][ T7704] ipv6_find_idev+0x102/0x170 [ 5729.728050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.728050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.728050][ T7704] netlink_rcv_skb+0x130/0x360 [ 5729.728050][ T7704] netlink_unicast+0x449/0x710 [ 5729.728050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5729.728050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5729.728050][ T7704] ___sys_sendmsg+0xee/0x170 [ 5729.728050][ T7704] __sys_sendmsg+0xcd/0x170 [ 5729.728050][ T7704] do_syscall_64+0xc6/0x1e0 [ 5729.728050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.728050][ T7704] [ 5739.766871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5739.767419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5739.767419][ T7704] netdev_get_by_index+0x5e/0x80 [ 5739.767419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5739.767419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5739.767419][ T7704] ip6_route_add+0x1c/0x140 [ 5739.767419][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5739.767419][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5739.767419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.767419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.767419][ T7704] netlink_rcv_skb+0x130/0x360 [ 5739.767419][ T7704] netlink_unicast+0x449/0x710 [ 5739.767419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5739.767419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5739.767419][ T7704] ___sys_sendmsg+0xee/0x170 [ 5739.767419][ T7704] __sys_sendmsg+0xcd/0x170 [ 5739.767419][ T7704] do_syscall_64+0xc6/0x1e0 [ 5739.767419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.767419][ T7704] [ 5739.769710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5739.769710][ T7704] netdev_get_by_index+0x5e/0x80 [ 5739.769710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5739.769710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5739.769710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5739.769710][ T7704] ipv6_add_addr+0x411/0x2000 [ 5739.769710][ T7704] inet6_addr_add+0x30e/0xa40 [ 5739.769710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.769710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.769710][ T7704] netlink_rcv_skb+0x130/0x360 [ 5739.769710][ T7704] netlink_unicast+0x449/0x710 [ 5739.769710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5739.769710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5739.769710][ T7704] ___sys_sendmsg+0xee/0x170 [ 5739.769710][ T7704] __sys_sendmsg+0xcd/0x170 [ 5739.769710][ T7704] do_syscall_64+0xc6/0x1e0 [ 5739.769710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.769710][ T7704] [ 5739.771973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5739.771973][ T7704] netdev_get_by_index+0x5e/0x80 [ 5739.771973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5739.771973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5739.771973][ T7704] ip6_route_add+0x1c/0x140 [ 5739.771973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5739.771973][ T7704] addrconf_add_dev+0xe2/0x170 [ 5739.771973][ T7704] inet6_addr_add+0x12f/0xa40 [ 5739.771973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.771973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.771973][ T7704] netlink_rcv_skb+0x130/0x360 [ 5739.771973][ T7704] netlink_unicast+0x449/0x710 [ 5739.771973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5739.771973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5739.771973][ T7704] ___sys_sendmsg+0xee/0x170 [ 5739.771973][ T7704] __sys_sendmsg+0xcd/0x170 [ 5739.771973][ T7704] do_syscall_64+0xc6/0x1e0 [ 5739.771973][ T7704] [ 5739.774211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5739.774211][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5739.774211][ T7704] ipv6_find_idev+0x102/0x170 [ 5739.774211][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.774211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.774211][ T7704] netlink_rcv_skb+0x130/0x360 [ 5739.774211][ T7704] netlink_unicast+0x449/0x710 [ 5739.774211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5739.774211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5739.774211][ T7704] ___sys_sendmsg+0xee/0x170 [ 5739.774211][ T7704] __sys_sendmsg+0xcd/0x170 [ 5739.774211][ T7704] do_syscall_64+0xc6/0x1e0 [ 5739.774211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.774211][ T7704] [ 5739.775944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5739.775944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5739.775944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5739.775944][ T7704] ipv6_find_idev+0x102/0x170 [ 5739.775944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.775944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.775944][ T7704] netlink_rcv_skb+0x130/0x360 [ 5739.775944][ T7704] netlink_unicast+0x449/0x710 [ 5739.775944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5739.775944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5739.775944][ T7704] ___sys_sendmsg+0xee/0x170 [ 5739.775944][ T7704] __sys_sendmsg+0xcd/0x170 [ 5739.775944][ T7704] do_syscall_64+0xc6/0x1e0 [ 5739.775944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.775944][ T7704] [ 5749.886868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5749.887454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5749.887454][ T7704] netdev_get_by_index+0x5e/0x80 [ 5749.887454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5749.887454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5749.887454][ T7704] ip6_route_add+0x1c/0x140 [ 5749.887454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5749.887454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5749.887454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.887454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.887454][ T7704] netlink_rcv_skb+0x130/0x360 [ 5749.887454][ T7704] netlink_unicast+0x449/0x710 [ 5749.887454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5749.887454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5749.887454][ T7704] ___sys_sendmsg+0xee/0x170 [ 5749.887454][ T7704] __sys_sendmsg+0xcd/0x170 [ 5749.887454][ T7704] do_syscall_64+0xc6/0x1e0 [ 5749.887454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.887454][ T7704] [ 5749.889738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5749.889738][ T7704] netdev_get_by_index+0x5e/0x80 [ 5749.889738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5749.889738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5749.889738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5749.889738][ T7704] ipv6_add_addr+0x411/0x2000 [ 5749.889738][ T7704] inet6_addr_add+0x30e/0xa40 [ 5749.889738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.889738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.889738][ T7704] netlink_rcv_skb+0x130/0x360 [ 5749.889738][ T7704] netlink_unicast+0x449/0x710 [ 5749.889738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5749.889738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5749.889738][ T7704] ___sys_sendmsg+0xee/0x170 [ 5749.889738][ T7704] __sys_sendmsg+0xcd/0x170 [ 5749.889738][ T7704] do_syscall_64+0xc6/0x1e0 [ 5749.889738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.889738][ T7704] [ 5749.892002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5749.892002][ T7704] netdev_get_by_index+0x5e/0x80 [ 5749.892002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5749.892002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5749.892002][ T7704] ip6_route_add+0x1c/0x140 [ 5749.892002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5749.892002][ T7704] addrconf_add_dev+0xe2/0x170 [ 5749.892002][ T7704] inet6_addr_add+0x12f/0xa40 [ 5749.892002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.892002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.892002][ T7704] netlink_rcv_skb+0x130/0x360 [ 5749.892002][ T7704] netlink_unicast+0x449/0x710 [ 5749.892002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5749.892002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5749.892002][ T7704] ___sys_sendmsg+0xee/0x170 [ 5749.892002][ T7704] __sys_sendmsg+0xcd/0x170 [ 5749.892002][ T7704] do_syscall_64+0xc6/0x1e0 [ 5749.892002][ T7704] [ 5749.894233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5749.894233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5749.894233][ T7704] ipv6_find_idev+0x102/0x170 [ 5749.894233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.894233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.894233][ T7704] netlink_rcv_skb+0x130/0x360 [ 5749.894233][ T7704] netlink_unicast+0x449/0x710 [ 5749.894233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5749.894233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5749.894233][ T7704] ___sys_sendmsg+0xee/0x170 [ 5749.894233][ T7704] __sys_sendmsg+0xcd/0x170 [ 5749.894233][ T7704] do_syscall_64+0xc6/0x1e0 [ 5749.894233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.894233][ T7704] [ 5749.895975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5749.895975][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5749.895975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5749.895975][ T7704] ipv6_find_idev+0x102/0x170 [ 5749.895975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.895975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.895975][ T7704] netlink_rcv_skb+0x130/0x360 [ 5749.895975][ T7704] netlink_unicast+0x449/0x710 [ 5749.895975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5749.895975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5749.895975][ T7704] ___sys_sendmsg+0xee/0x170 [ 5749.895975][ T7704] __sys_sendmsg+0xcd/0x170 [ 5749.895975][ T7704] do_syscall_64+0xc6/0x1e0 [ 5749.895975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.895975][ T7704] [ 5760.134926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5760.135444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5760.135444][ T7704] netdev_get_by_index+0x5e/0x80 [ 5760.135444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5760.135444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5760.135444][ T7704] ip6_route_add+0x1c/0x140 [ 5760.135444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5760.135444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5760.135444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.135444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.135444][ T7704] netlink_rcv_skb+0x130/0x360 [ 5760.135444][ T7704] netlink_unicast+0x449/0x710 [ 5760.135444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5760.135444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5760.135444][ T7704] ___sys_sendmsg+0xee/0x170 [ 5760.135444][ T7704] __sys_sendmsg+0xcd/0x170 [ 5760.135444][ T7704] do_syscall_64+0xc6/0x1e0 [ 5760.135444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.135444][ T7704] [ 5760.137771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5760.137771][ T7704] netdev_get_by_index+0x5e/0x80 [ 5760.137771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5760.137771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5760.137771][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5760.137771][ T7704] ipv6_add_addr+0x411/0x2000 [ 5760.137771][ T7704] inet6_addr_add+0x30e/0xa40 [ 5760.137771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.137771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.137771][ T7704] netlink_rcv_skb+0x130/0x360 [ 5760.137771][ T7704] netlink_unicast+0x449/0x710 [ 5760.137771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5760.137771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5760.137771][ T7704] ___sys_sendmsg+0xee/0x170 [ 5760.137771][ T7704] __sys_sendmsg+0xcd/0x170 [ 5760.137771][ T7704] do_syscall_64+0xc6/0x1e0 [ 5760.137771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.137771][ T7704] [ 5760.140053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5760.140053][ T7704] netdev_get_by_index+0x5e/0x80 [ 5760.140053][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5760.140053][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5760.140053][ T7704] ip6_route_add+0x1c/0x140 [ 5760.140053][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5760.140053][ T7704] addrconf_add_dev+0xe2/0x170 [ 5760.140053][ T7704] inet6_addr_add+0x12f/0xa40 [ 5760.140053][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.140053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.140053][ T7704] netlink_rcv_skb+0x130/0x360 [ 5760.140053][ T7704] netlink_unicast+0x449/0x710 [ 5760.140053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5760.140053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5760.140053][ T7704] ___sys_sendmsg+0xee/0x170 [ 5760.140053][ T7704] __sys_sendmsg+0xcd/0x170 [ 5760.140053][ T7704] do_syscall_64+0xc6/0x1e0 [ 5760.140053][ T7704] [ 5760.142296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5760.142296][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5760.142296][ T7704] ipv6_find_idev+0x102/0x170 [ 5760.142296][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5760.142296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.142296][ T7704] netlink_rcv_skb+0x130/0x360 [ 5760.142296][ T7704] netlink_unicast+0x449/0x710 [ 5760.142296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5760.142296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5760.142296][ T7704] ___sys_sendmsg+0xee/0x170 [ 5760.142296][ T7704] __sys_sendmsg+0xcd/0x170 [ 5760.142296][ T7704] do_syscall_64+0xc6/0x1e0 [ 5760.142296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.142296][ T7704] [ 5760.144053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5760.144053][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5760.144053][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5760.144053][ T7704] ipv6_find_idev+0x102/0x170 [ 5760.144053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5760.144053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.144053][ T7704] netlink_rcv_skb+0x130/0x360 [ 5760.144053][ T7704] netlink_unicast+0x449/0x710 [ 5760.144053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5760.144053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5760.144053][ T7704] ___sys_sendmsg+0xee/0x170 [ 5760.144053][ T7704] __sys_sendmsg+0xcd/0x170 [ 5760.144053][ T7704] do_syscall_64+0xc6/0x1e0 [ 5760.144053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.144053][ T7704] [ 5770.382942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5770.383458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5770.383458][ T7704] netdev_get_by_index+0x5e/0x80 [ 5770.383458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5770.383458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5770.383458][ T7704] ip6_route_add+0x1c/0x140 [ 5770.383458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5770.383458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5770.383458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.383458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.383458][ T7704] netlink_rcv_skb+0x130/0x360 [ 5770.383458][ T7704] netlink_unicast+0x449/0x710 [ 5770.383458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5770.383458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5770.383458][ T7704] ___sys_sendmsg+0xee/0x170 [ 5770.383458][ T7704] __sys_sendmsg+0xcd/0x170 [ 5770.383458][ T7704] do_syscall_64+0xc6/0x1e0 [ 5770.383458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.383458][ T7704] [ 5770.385781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5770.385781][ T7704] netdev_get_by_index+0x5e/0x80 [ 5770.385781][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5770.385781][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5770.385781][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5770.385781][ T7704] ipv6_add_addr+0x411/0x2000 [ 5770.385781][ T7704] inet6_addr_add+0x30e/0xa40 [ 5770.385781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.385781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.385781][ T7704] netlink_rcv_skb+0x130/0x360 [ 5770.385781][ T7704] netlink_unicast+0x449/0x710 [ 5770.385781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5770.385781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5770.385781][ T7704] ___sys_sendmsg+0xee/0x170 [ 5770.385781][ T7704] __sys_sendmsg+0xcd/0x170 [ 5770.385781][ T7704] do_syscall_64+0xc6/0x1e0 [ 5770.385781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.385781][ T7704] [ 5770.388055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5770.388055][ T7704] netdev_get_by_index+0x5e/0x80 [ 5770.388055][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5770.388055][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5770.388055][ T7704] ip6_route_add+0x1c/0x140 [ 5770.388055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5770.388055][ T7704] addrconf_add_dev+0xe2/0x170 [ 5770.388055][ T7704] inet6_addr_add+0x12f/0xa40 [ 5770.388055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.388055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.388055][ T7704] netlink_rcv_skb+0x130/0x360 [ 5770.388055][ T7704] netlink_unicast+0x449/0x710 [ 5770.388055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5770.388055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5770.388055][ T7704] ___sys_sendmsg+0xee/0x170 [ 5770.388055][ T7704] __sys_sendmsg+0xcd/0x170 [ 5770.388055][ T7704] do_syscall_64+0xc6/0x1e0 [ 5770.388055][ T7704] [ 5770.390417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5770.390417][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5770.390417][ T7704] ipv6_find_idev+0x102/0x170 [ 5770.390417][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.390417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.390417][ T7704] netlink_rcv_skb+0x130/0x360 [ 5770.390417][ T7704] netlink_unicast+0x449/0x710 [ 5770.390417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5770.390417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5770.390417][ T7704] ___sys_sendmsg+0xee/0x170 [ 5770.390417][ T7704] __sys_sendmsg+0xcd/0x170 [ 5770.390417][ T7704] do_syscall_64+0xc6/0x1e0 [ 5770.390417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.390417][ T7704] [ 5770.392173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5770.392173][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5770.392173][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5770.392173][ T7704] ipv6_find_idev+0x102/0x170 [ 5770.392173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.392173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.392173][ T7704] netlink_rcv_skb+0x130/0x360 [ 5770.392173][ T7704] netlink_unicast+0x449/0x710 [ 5770.392173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5770.392173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5770.392173][ T7704] ___sys_sendmsg+0xee/0x170 [ 5770.392173][ T7704] __sys_sendmsg+0xcd/0x170 [ 5770.392173][ T7704] do_syscall_64+0xc6/0x1e0 [ 5770.392173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.392173][ T7704] [ 5780.630963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5780.631498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5780.631498][ T7704] netdev_get_by_index+0x5e/0x80 [ 5780.631498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5780.631498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5780.631498][ T7704] ip6_route_add+0x1c/0x140 [ 5780.631498][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5780.631498][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5780.631498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.631498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.631498][ T7704] netlink_rcv_skb+0x130/0x360 [ 5780.631498][ T7704] netlink_unicast+0x449/0x710 [ 5780.631498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5780.631498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5780.631498][ T7704] ___sys_sendmsg+0xee/0x170 [ 5780.631498][ T7704] __sys_sendmsg+0xcd/0x170 [ 5780.631498][ T7704] do_syscall_64+0xc6/0x1e0 [ 5780.631498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.631498][ T7704] [ 5780.633827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5780.633827][ T7704] netdev_get_by_index+0x5e/0x80 [ 5780.633827][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5780.633827][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5780.633827][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5780.633827][ T7704] ipv6_add_addr+0x411/0x2000 [ 5780.633827][ T7704] inet6_addr_add+0x30e/0xa40 [ 5780.633827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.633827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.633827][ T7704] netlink_rcv_skb+0x130/0x360 [ 5780.633827][ T7704] netlink_unicast+0x449/0x710 [ 5780.633827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5780.633827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5780.633827][ T7704] ___sys_sendmsg+0xee/0x170 [ 5780.633827][ T7704] __sys_sendmsg+0xcd/0x170 [ 5780.633827][ T7704] do_syscall_64+0xc6/0x1e0 [ 5780.633827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.633827][ T7704] [ 5780.636113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5780.636113][ T7704] netdev_get_by_index+0x5e/0x80 [ 5780.636113][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5780.636113][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5780.636113][ T7704] ip6_route_add+0x1c/0x140 [ 5780.636113][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5780.636113][ T7704] addrconf_add_dev+0xe2/0x170 [ 5780.636113][ T7704] inet6_addr_add+0x12f/0xa40 [ 5780.636113][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.636113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.636113][ T7704] netlink_rcv_skb+0x130/0x360 [ 5780.636113][ T7704] netlink_unicast+0x449/0x710 [ 5780.636113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5780.636113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5780.636113][ T7704] ___sys_sendmsg+0xee/0x170 [ 5780.636113][ T7704] __sys_sendmsg+0xcd/0x170 [ 5780.636113][ T7704] do_syscall_64+0xc6/0x1e0 [ 5780.636113][ T7704] [ 5780.638348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5780.638348][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5780.638348][ T7704] ipv6_find_idev+0x102/0x170 [ 5780.638348][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.638348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.638348][ T7704] netlink_rcv_skb+0x130/0x360 [ 5780.638348][ T7704] netlink_unicast+0x449/0x710 [ 5780.638348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5780.638348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5780.638348][ T7704] ___sys_sendmsg+0xee/0x170 [ 5780.638348][ T7704] __sys_sendmsg+0xcd/0x170 [ 5780.638348][ T7704] do_syscall_64+0xc6/0x1e0 [ 5780.638348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.638348][ T7704] [ 5780.640122][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5780.640122][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5780.640122][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5780.640122][ T7704] ipv6_find_idev+0x102/0x170 [ 5780.640122][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.640122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.640122][ T7704] netlink_rcv_skb+0x130/0x360 [ 5780.640122][ T7704] netlink_unicast+0x449/0x710 [ 5780.640122][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5780.640122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5780.640122][ T7704] ___sys_sendmsg+0xee/0x170 [ 5780.640122][ T7704] __sys_sendmsg+0xcd/0x170 [ 5780.640122][ T7704] do_syscall_64+0xc6/0x1e0 [ 5780.640122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.640122][ T7704] [ 5790.838980][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5790.839483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5790.839483][ T7704] netdev_get_by_index+0x5e/0x80 [ 5790.839483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5790.839483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5790.839483][ T7704] ip6_route_add+0x1c/0x140 [ 5790.839483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5790.839483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5790.839483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.839483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.839483][ T7704] netlink_rcv_skb+0x130/0x360 [ 5790.839483][ T7704] netlink_unicast+0x449/0x710 [ 5790.839483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5790.839483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5790.839483][ T7704] ___sys_sendmsg+0xee/0x170 [ 5790.839483][ T7704] __sys_sendmsg+0xcd/0x170 [ 5790.839483][ T7704] do_syscall_64+0xc6/0x1e0 [ 5790.839483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.839483][ T7704] [ 5790.841780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5790.841780][ T7704] netdev_get_by_index+0x5e/0x80 [ 5790.841780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5790.841780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5790.841780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5790.841780][ T7704] ipv6_add_addr+0x411/0x2000 [ 5790.841780][ T7704] inet6_addr_add+0x30e/0xa40 [ 5790.841780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.841780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.841780][ T7704] netlink_rcv_skb+0x130/0x360 [ 5790.841780][ T7704] netlink_unicast+0x449/0x710 [ 5790.841780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5790.841780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5790.841780][ T7704] ___sys_sendmsg+0xee/0x170 [ 5790.841780][ T7704] __sys_sendmsg+0xcd/0x170 [ 5790.841780][ T7704] do_syscall_64+0xc6/0x1e0 [ 5790.841780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.841780][ T7704] [ 5790.844064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5790.844064][ T7704] netdev_get_by_index+0x5e/0x80 [ 5790.844064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5790.844064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5790.844064][ T7704] ip6_route_add+0x1c/0x140 [ 5790.844064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5790.844064][ T7704] addrconf_add_dev+0xe2/0x170 [ 5790.844064][ T7704] inet6_addr_add+0x12f/0xa40 [ 5790.844064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.844064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.844064][ T7704] netlink_rcv_skb+0x130/0x360 [ 5790.844064][ T7704] netlink_unicast+0x449/0x710 [ 5790.844064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5790.844064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5790.844064][ T7704] ___sys_sendmsg+0xee/0x170 [ 5790.844064][ T7704] __sys_sendmsg+0xcd/0x170 [ 5790.844064][ T7704] do_syscall_64+0xc6/0x1e0 [ 5790.844064][ T7704] [ 5790.846298][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5790.846298][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5790.846298][ T7704] ipv6_find_idev+0x102/0x170 [ 5790.846298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.846298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.846298][ T7704] netlink_rcv_skb+0x130/0x360 [ 5790.846298][ T7704] netlink_unicast+0x449/0x710 [ 5790.846298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5790.846298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5790.846298][ T7704] ___sys_sendmsg+0xee/0x170 [ 5790.846298][ T7704] __sys_sendmsg+0xcd/0x170 [ 5790.846298][ T7704] do_syscall_64+0xc6/0x1e0 [ 5790.846298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.846298][ T7704] [ 5790.848049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5790.848049][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5790.848049][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5790.848049][ T7704] ipv6_find_idev+0x102/0x170 [ 5790.848049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.848049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.848049][ T7704] netlink_rcv_skb+0x130/0x360 [ 5790.848049][ T7704] netlink_unicast+0x449/0x710 [ 5790.848049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5790.848049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5790.848049][ T7704] ___sys_sendmsg+0xee/0x170 [ 5790.848049][ T7704] __sys_sendmsg+0xcd/0x170 [ 5790.848049][ T7704] do_syscall_64+0xc6/0x1e0 [ 5790.848049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.848049][ T7704] [ 5801.102928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5801.103418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5801.103418][ T7704] netdev_get_by_index+0x5e/0x80 [ 5801.103418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5801.103418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5801.103418][ T7704] ip6_route_add+0x1c/0x140 [ 5801.103418][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5801.103418][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5801.103418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.103418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.103418][ T7704] netlink_rcv_skb+0x130/0x360 [ 5801.103418][ T7704] netlink_unicast+0x449/0x710 [ 5801.103418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5801.103418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5801.103418][ T7704] ___sys_sendmsg+0xee/0x170 [ 5801.103418][ T7704] __sys_sendmsg+0xcd/0x170 [ 5801.103418][ T7704] do_syscall_64+0xc6/0x1e0 [ 5801.103418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.103418][ T7704] [ 5801.105712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5801.105712][ T7704] netdev_get_by_index+0x5e/0x80 [ 5801.105712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5801.105712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5801.105712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5801.105712][ T7704] ipv6_add_addr+0x411/0x2000 [ 5801.105712][ T7704] inet6_addr_add+0x30e/0xa40 [ 5801.105712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.105712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.105712][ T7704] netlink_rcv_skb+0x130/0x360 [ 5801.105712][ T7704] netlink_unicast+0x449/0x710 [ 5801.105712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5801.105712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5801.105712][ T7704] ___sys_sendmsg+0xee/0x170 [ 5801.105712][ T7704] __sys_sendmsg+0xcd/0x170 [ 5801.105712][ T7704] do_syscall_64+0xc6/0x1e0 [ 5801.105712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.105712][ T7704] [ 5801.107972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5801.107972][ T7704] netdev_get_by_index+0x5e/0x80 [ 5801.107972][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5801.107972][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5801.107972][ T7704] ip6_route_add+0x1c/0x140 [ 5801.107972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5801.107972][ T7704] addrconf_add_dev+0xe2/0x170 [ 5801.107972][ T7704] inet6_addr_add+0x12f/0xa40 [ 5801.107972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.107972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.107972][ T7704] netlink_rcv_skb+0x130/0x360 [ 5801.107972][ T7704] netlink_unicast+0x449/0x710 [ 5801.107972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5801.107972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5801.107972][ T7704] ___sys_sendmsg+0xee/0x170 [ 5801.107972][ T7704] __sys_sendmsg+0xcd/0x170 [ 5801.107972][ T7704] do_syscall_64+0xc6/0x1e0 [ 5801.107972][ T7704] [ 5801.110203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5801.110203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5801.110203][ T7704] ipv6_find_idev+0x102/0x170 [ 5801.110203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5801.110203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.110203][ T7704] netlink_rcv_skb+0x130/0x360 [ 5801.110203][ T7704] netlink_unicast+0x449/0x710 [ 5801.110203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5801.110203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5801.110203][ T7704] ___sys_sendmsg+0xee/0x170 [ 5801.110203][ T7704] __sys_sendmsg+0xcd/0x170 [ 5801.110203][ T7704] do_syscall_64+0xc6/0x1e0 [ 5801.110203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.110203][ T7704] [ 5801.111942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5801.111942][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5801.111942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5801.111942][ T7704] ipv6_find_idev+0x102/0x170 [ 5801.111942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5801.111942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.111942][ T7704] netlink_rcv_skb+0x130/0x360 [ 5801.111942][ T7704] netlink_unicast+0x449/0x710 [ 5801.111942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5801.111942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5801.111942][ T7704] ___sys_sendmsg+0xee/0x170 [ 5801.111942][ T7704] __sys_sendmsg+0xcd/0x170 [ 5801.111942][ T7704] do_syscall_64+0xc6/0x1e0 [ 5801.111942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.111942][ T7704] [ 5811.118938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5811.119455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5811.119455][ T7704] netdev_get_by_index+0x5e/0x80 [ 5811.119455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5811.119455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5811.119455][ T7704] ip6_route_add+0x1c/0x140 [ 5811.119455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5811.119455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5811.119455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.119455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.119455][ T7704] netlink_rcv_skb+0x130/0x360 [ 5811.119455][ T7704] netlink_unicast+0x449/0x710 [ 5811.119455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5811.119455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5811.119455][ T7704] ___sys_sendmsg+0xee/0x170 [ 5811.119455][ T7704] __sys_sendmsg+0xcd/0x170 [ 5811.119455][ T7704] do_syscall_64+0xc6/0x1e0 [ 5811.119455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.119455][ T7704] [ 5811.121754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5811.121754][ T7704] netdev_get_by_index+0x5e/0x80 [ 5811.121754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5811.121754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5811.121754][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5811.121754][ T7704] ipv6_add_addr+0x411/0x2000 [ 5811.121754][ T7704] inet6_addr_add+0x30e/0xa40 [ 5811.121754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.121754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.121754][ T7704] netlink_rcv_skb+0x130/0x360 [ 5811.121754][ T7704] netlink_unicast+0x449/0x710 [ 5811.121754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5811.121754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5811.121754][ T7704] ___sys_sendmsg+0xee/0x170 [ 5811.121754][ T7704] __sys_sendmsg+0xcd/0x170 [ 5811.121754][ T7704] do_syscall_64+0xc6/0x1e0 [ 5811.121754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.121754][ T7704] [ 5811.124002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5811.124002][ T7704] netdev_get_by_index+0x5e/0x80 [ 5811.124002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5811.124002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5811.124002][ T7704] ip6_route_add+0x1c/0x140 [ 5811.124002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5811.124002][ T7704] addrconf_add_dev+0xe2/0x170 [ 5811.124002][ T7704] inet6_addr_add+0x12f/0xa40 [ 5811.124002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.124002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.124002][ T7704] netlink_rcv_skb+0x130/0x360 [ 5811.124002][ T7704] netlink_unicast+0x449/0x710 [ 5811.124002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5811.124002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5811.124002][ T7704] ___sys_sendmsg+0xee/0x170 [ 5811.124002][ T7704] __sys_sendmsg+0xcd/0x170 [ 5811.124002][ T7704] do_syscall_64+0xc6/0x1e0 [ 5811.124002][ T7704] [ 5811.126191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5811.126191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5811.126191][ T7704] ipv6_find_idev+0x102/0x170 [ 5811.126191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.126191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.126191][ T7704] netlink_rcv_skb+0x130/0x360 [ 5811.126191][ T7704] netlink_unicast+0x449/0x710 [ 5811.126191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5811.126191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5811.126191][ T7704] ___sys_sendmsg+0xee/0x170 [ 5811.126191][ T7704] __sys_sendmsg+0xcd/0x170 [ 5811.126191][ T7704] do_syscall_64+0xc6/0x1e0 [ 5811.126191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.126191][ T7704] [ 5811.127899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5811.127899][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5811.127899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5811.127899][ T7704] ipv6_find_idev+0x102/0x170 [ 5811.127899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.127899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.127899][ T7704] netlink_rcv_skb+0x130/0x360 [ 5811.127899][ T7704] netlink_unicast+0x449/0x710 [ 5811.127899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5811.127899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5811.127899][ T7704] ___sys_sendmsg+0xee/0x170 [ 5811.127899][ T7704] __sys_sendmsg+0xcd/0x170 [ 5811.127899][ T7704] do_syscall_64+0xc6/0x1e0 [ 5811.127899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.127899][ T7704] [ 5821.430948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5821.431460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5821.431460][ T7704] netdev_get_by_index+0x5e/0x80 [ 5821.431460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5821.431460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5821.431460][ T7704] ip6_route_add+0x1c/0x140 [ 5821.431460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5821.431460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5821.431460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.431460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.431460][ T7704] netlink_rcv_skb+0x130/0x360 [ 5821.431460][ T7704] netlink_unicast+0x449/0x710 [ 5821.431460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5821.431460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5821.431460][ T7704] ___sys_sendmsg+0xee/0x170 [ 5821.431460][ T7704] __sys_sendmsg+0xcd/0x170 [ 5821.431460][ T7704] do_syscall_64+0xc6/0x1e0 [ 5821.431460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.431460][ T7704] [ 5821.433722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5821.433722][ T7704] netdev_get_by_index+0x5e/0x80 [ 5821.433722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5821.433722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5821.433722][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5821.433722][ T7704] ipv6_add_addr+0x411/0x2000 [ 5821.433722][ T7704] inet6_addr_add+0x30e/0xa40 [ 5821.433722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.433722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.433722][ T7704] netlink_rcv_skb+0x130/0x360 [ 5821.433722][ T7704] netlink_unicast+0x449/0x710 [ 5821.433722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5821.433722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5821.433722][ T7704] ___sys_sendmsg+0xee/0x170 [ 5821.433722][ T7704] __sys_sendmsg+0xcd/0x170 [ 5821.433722][ T7704] do_syscall_64+0xc6/0x1e0 [ 5821.433722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.433722][ T7704] [ 5821.435950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5821.435950][ T7704] netdev_get_by_index+0x5e/0x80 [ 5821.435950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5821.435950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5821.435950][ T7704] ip6_route_add+0x1c/0x140 [ 5821.435950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5821.435950][ T7704] addrconf_add_dev+0xe2/0x170 [ 5821.435950][ T7704] inet6_addr_add+0x12f/0xa40 [ 5821.435950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.435950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.435950][ T7704] netlink_rcv_skb+0x130/0x360 [ 5821.435950][ T7704] netlink_unicast+0x449/0x710 [ 5821.435950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5821.435950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5821.435950][ T7704] ___sys_sendmsg+0xee/0x170 [ 5821.435950][ T7704] __sys_sendmsg+0xcd/0x170 [ 5821.435950][ T7704] do_syscall_64+0xc6/0x1e0 [ 5821.435950][ T7704] [ 5821.438139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5821.438139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5821.438139][ T7704] ipv6_find_idev+0x102/0x170 [ 5821.438139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.438139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.438139][ T7704] netlink_rcv_skb+0x130/0x360 [ 5821.438139][ T7704] netlink_unicast+0x449/0x710 [ 5821.438139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5821.438139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5821.438139][ T7704] ___sys_sendmsg+0xee/0x170 [ 5821.438139][ T7704] __sys_sendmsg+0xcd/0x170 [ 5821.438139][ T7704] do_syscall_64+0xc6/0x1e0 [ 5821.438139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.438139][ T7704] [ 5821.439854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5821.439854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5821.439854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5821.439854][ T7704] ipv6_find_idev+0x102/0x170 [ 5821.439854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.439854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.439854][ T7704] netlink_rcv_skb+0x130/0x360 [ 5821.439854][ T7704] netlink_unicast+0x449/0x710 [ 5821.439854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5821.439854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5821.439854][ T7704] ___sys_sendmsg+0xee/0x170 [ 5821.439854][ T7704] __sys_sendmsg+0xcd/0x170 [ 5821.439854][ T7704] do_syscall_64+0xc6/0x1e0 [ 5821.439854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.439854][ T7704] [ 5831.630941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5831.631443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5831.631443][ T7704] netdev_get_by_index+0x5e/0x80 [ 5831.631443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5831.631443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5831.631443][ T7704] ip6_route_add+0x1c/0x140 [ 5831.631443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5831.631443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5831.631443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.631443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.631443][ T7704] netlink_rcv_skb+0x130/0x360 [ 5831.631443][ T7704] netlink_unicast+0x449/0x710 [ 5831.631443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5831.631443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5831.631443][ T7704] ___sys_sendmsg+0xee/0x170 [ 5831.631443][ T7704] __sys_sendmsg+0xcd/0x170 [ 5831.631443][ T7704] do_syscall_64+0xc6/0x1e0 [ 5831.631443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.631443][ T7704] [ 5831.633697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5831.633697][ T7704] netdev_get_by_index+0x5e/0x80 [ 5831.633697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5831.633697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5831.633697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5831.633697][ T7704] ipv6_add_addr+0x411/0x2000 [ 5831.633697][ T7704] inet6_addr_add+0x30e/0xa40 [ 5831.633697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.633697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.633697][ T7704] netlink_rcv_skb+0x130/0x360 [ 5831.633697][ T7704] netlink_unicast+0x449/0x710 [ 5831.633697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5831.633697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5831.633697][ T7704] ___sys_sendmsg+0xee/0x170 [ 5831.633697][ T7704] __sys_sendmsg+0xcd/0x170 [ 5831.633697][ T7704] do_syscall_64+0xc6/0x1e0 [ 5831.633697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.633697][ T7704] [ 5831.635932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5831.635932][ T7704] netdev_get_by_index+0x5e/0x80 [ 5831.635932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5831.635932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5831.635932][ T7704] ip6_route_add+0x1c/0x140 [ 5831.635932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5831.635932][ T7704] addrconf_add_dev+0xe2/0x170 [ 5831.635932][ T7704] inet6_addr_add+0x12f/0xa40 [ 5831.635932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.635932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.635932][ T7704] netlink_rcv_skb+0x130/0x360 [ 5831.635932][ T7704] netlink_unicast+0x449/0x710 [ 5831.635932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5831.635932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5831.635932][ T7704] ___sys_sendmsg+0xee/0x170 [ 5831.635932][ T7704] __sys_sendmsg+0xcd/0x170 [ 5831.635932][ T7704] do_syscall_64+0xc6/0x1e0 [ 5831.635932][ T7704] [ 5831.638126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5831.638126][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5831.638126][ T7704] ipv6_find_idev+0x102/0x170 [ 5831.638126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.638126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.638126][ T7704] netlink_rcv_skb+0x130/0x360 [ 5831.638126][ T7704] netlink_unicast+0x449/0x710 [ 5831.638126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5831.638126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5831.638126][ T7704] ___sys_sendmsg+0xee/0x170 [ 5831.638126][ T7704] __sys_sendmsg+0xcd/0x170 [ 5831.638126][ T7704] do_syscall_64+0xc6/0x1e0 [ 5831.638126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.638126][ T7704] [ 5831.639846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5831.639846][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5831.639846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5831.639846][ T7704] ipv6_find_idev+0x102/0x170 [ 5831.639846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.639846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.639846][ T7704] netlink_rcv_skb+0x130/0x360 [ 5831.639846][ T7704] netlink_unicast+0x449/0x710 [ 5831.639846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5831.639846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5831.639846][ T7704] ___sys_sendmsg+0xee/0x170 [ 5831.639846][ T7704] __sys_sendmsg+0xcd/0x170 [ 5831.639846][ T7704] do_syscall_64+0xc6/0x1e0 [ 5831.639846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.639846][ T7704] [ 5841.686940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5841.687455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5841.687455][ T7704] netdev_get_by_index+0x5e/0x80 [ 5841.687455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5841.687455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5841.687455][ T7704] ip6_route_add+0x1c/0x140 [ 5841.687455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5841.687455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5841.687455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.687455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.687455][ T7704] netlink_rcv_skb+0x130/0x360 [ 5841.687455][ T7704] netlink_unicast+0x449/0x710 [ 5841.687455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5841.687455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5841.687455][ T7704] ___sys_sendmsg+0xee/0x170 [ 5841.687455][ T7704] __sys_sendmsg+0xcd/0x170 [ 5841.687455][ T7704] do_syscall_64+0xc6/0x1e0 [ 5841.687455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.687455][ T7704] [ 5841.689708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5841.689708][ T7704] netdev_get_by_index+0x5e/0x80 [ 5841.689708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5841.689708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5841.689708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5841.689708][ T7704] ipv6_add_addr+0x411/0x2000 [ 5841.689708][ T7704] inet6_addr_add+0x30e/0xa40 [ 5841.689708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.689708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.689708][ T7704] netlink_rcv_skb+0x130/0x360 [ 5841.689708][ T7704] netlink_unicast+0x449/0x710 [ 5841.689708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5841.689708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5841.689708][ T7704] ___sys_sendmsg+0xee/0x170 [ 5841.689708][ T7704] __sys_sendmsg+0xcd/0x170 [ 5841.689708][ T7704] do_syscall_64+0xc6/0x1e0 [ 5841.689708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.689708][ T7704] [ 5841.691925][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5841.691925][ T7704] netdev_get_by_index+0x5e/0x80 [ 5841.691925][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5841.691925][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5841.691925][ T7704] ip6_route_add+0x1c/0x140 [ 5841.691925][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5841.691925][ T7704] addrconf_add_dev+0xe2/0x170 [ 5841.691925][ T7704] inet6_addr_add+0x12f/0xa40 [ 5841.691925][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.691925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.691925][ T7704] netlink_rcv_skb+0x130/0x360 [ 5841.691925][ T7704] netlink_unicast+0x449/0x710 [ 5841.691925][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5841.691925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5841.691925][ T7704] ___sys_sendmsg+0xee/0x170 [ 5841.691925][ T7704] __sys_sendmsg+0xcd/0x170 [ 5841.691925][ T7704] do_syscall_64+0xc6/0x1e0 [ 5841.691925][ T7704] [ 5841.694123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5841.694123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5841.694123][ T7704] ipv6_find_idev+0x102/0x170 [ 5841.694123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.694123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.694123][ T7704] netlink_rcv_skb+0x130/0x360 [ 5841.694123][ T7704] netlink_unicast+0x449/0x710 [ 5841.694123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5841.694123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5841.694123][ T7704] ___sys_sendmsg+0xee/0x170 [ 5841.694123][ T7704] __sys_sendmsg+0xcd/0x170 [ 5841.694123][ T7704] do_syscall_64+0xc6/0x1e0 [ 5841.694123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.694123][ T7704] [ 5841.695826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5841.695826][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5841.695826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5841.695826][ T7704] ipv6_find_idev+0x102/0x170 [ 5841.695826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.695826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.695826][ T7704] netlink_rcv_skb+0x130/0x360 [ 5841.695826][ T7704] netlink_unicast+0x449/0x710 [ 5841.695826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5841.695826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5841.695826][ T7704] ___sys_sendmsg+0xee/0x170 [ 5841.695826][ T7704] __sys_sendmsg+0xcd/0x170 [ 5841.695826][ T7704] do_syscall_64+0xc6/0x1e0 [ 5841.695826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.695826][ T7704] [ 5851.798956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5851.799456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5851.799456][ T7704] netdev_get_by_index+0x5e/0x80 [ 5851.799456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5851.799456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5851.799456][ T7704] ip6_route_add+0x1c/0x140 [ 5851.799456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5851.799456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5851.799456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.799456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.799456][ T7704] netlink_rcv_skb+0x130/0x360 [ 5851.799456][ T7704] netlink_unicast+0x449/0x710 [ 5851.799456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5851.799456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5851.799456][ T7704] ___sys_sendmsg+0xee/0x170 [ 5851.799456][ T7704] __sys_sendmsg+0xcd/0x170 [ 5851.799456][ T7704] do_syscall_64+0xc6/0x1e0 [ 5851.799456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.799456][ T7704] [ 5851.801706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5851.801706][ T7704] netdev_get_by_index+0x5e/0x80 [ 5851.801706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5851.801706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5851.801706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5851.801706][ T7704] ipv6_add_addr+0x411/0x2000 [ 5851.801706][ T7704] inet6_addr_add+0x30e/0xa40 [ 5851.801706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.801706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.801706][ T7704] netlink_rcv_skb+0x130/0x360 [ 5851.801706][ T7704] netlink_unicast+0x449/0x710 [ 5851.801706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5851.801706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5851.801706][ T7704] ___sys_sendmsg+0xee/0x170 [ 5851.801706][ T7704] __sys_sendmsg+0xcd/0x170 [ 5851.801706][ T7704] do_syscall_64+0xc6/0x1e0 [ 5851.801706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.801706][ T7704] [ 5851.803961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5851.803961][ T7704] netdev_get_by_index+0x5e/0x80 [ 5851.803961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5851.803961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5851.803961][ T7704] ip6_route_add+0x1c/0x140 [ 5851.803961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5851.803961][ T7704] addrconf_add_dev+0xe2/0x170 [ 5851.803961][ T7704] inet6_addr_add+0x12f/0xa40 [ 5851.803961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.803961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.803961][ T7704] netlink_rcv_skb+0x130/0x360 [ 5851.803961][ T7704] netlink_unicast+0x449/0x710 [ 5851.803961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5851.803961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5851.803961][ T7704] ___sys_sendmsg+0xee/0x170 [ 5851.803961][ T7704] __sys_sendmsg+0xcd/0x170 [ 5851.803961][ T7704] do_syscall_64+0xc6/0x1e0 [ 5851.803961][ T7704] [ 5851.806152][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5851.806152][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5851.806152][ T7704] ipv6_find_idev+0x102/0x170 [ 5851.806152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5851.806152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.806152][ T7704] netlink_rcv_skb+0x130/0x360 [ 5851.806152][ T7704] netlink_unicast+0x449/0x710 [ 5851.806152][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5851.806152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5851.806152][ T7704] ___sys_sendmsg+0xee/0x170 [ 5851.806152][ T7704] __sys_sendmsg+0xcd/0x170 [ 5851.806152][ T7704] do_syscall_64+0xc6/0x1e0 [ 5851.806152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.806152][ T7704] [ 5851.807862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5851.807862][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5851.807862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5851.807862][ T7704] ipv6_find_idev+0x102/0x170 [ 5851.807862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5851.807862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.807862][ T7704] netlink_rcv_skb+0x130/0x360 [ 5851.807862][ T7704] netlink_unicast+0x449/0x710 [ 5851.807862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5851.807862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5851.807862][ T7704] ___sys_sendmsg+0xee/0x170 [ 5851.807862][ T7704] __sys_sendmsg+0xcd/0x170 [ 5851.807862][ T7704] do_syscall_64+0xc6/0x1e0 [ 5851.807862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.807862][ T7704] [ 5861.846932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5861.847443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5861.847443][ T7704] netdev_get_by_index+0x5e/0x80 [ 5861.847443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5861.847443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5861.847443][ T7704] ip6_route_add+0x1c/0x140 [ 5861.847443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5861.847443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5861.847443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.847443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.847443][ T7704] netlink_rcv_skb+0x130/0x360 [ 5861.847443][ T7704] netlink_unicast+0x449/0x710 [ 5861.847443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5861.847443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5861.847443][ T7704] ___sys_sendmsg+0xee/0x170 [ 5861.847443][ T7704] __sys_sendmsg+0xcd/0x170 [ 5861.847443][ T7704] do_syscall_64+0xc6/0x1e0 [ 5861.847443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.847443][ T7704] [ 5861.849687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5861.849687][ T7704] netdev_get_by_index+0x5e/0x80 [ 5861.849687][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5861.849687][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5861.849687][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5861.849687][ T7704] ipv6_add_addr+0x411/0x2000 [ 5861.849687][ T7704] inet6_addr_add+0x30e/0xa40 [ 5861.849687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.849687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.849687][ T7704] netlink_rcv_skb+0x130/0x360 [ 5861.849687][ T7704] netlink_unicast+0x449/0x710 [ 5861.849687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5861.849687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5861.849687][ T7704] ___sys_sendmsg+0xee/0x170 [ 5861.849687][ T7704] __sys_sendmsg+0xcd/0x170 [ 5861.849687][ T7704] do_syscall_64+0xc6/0x1e0 [ 5861.849687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.849687][ T7704] [ 5861.851920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5861.851920][ T7704] netdev_get_by_index+0x5e/0x80 [ 5861.851920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5861.851920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5861.851920][ T7704] ip6_route_add+0x1c/0x140 [ 5861.851920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5861.851920][ T7704] addrconf_add_dev+0xe2/0x170 [ 5861.851920][ T7704] inet6_addr_add+0x12f/0xa40 [ 5861.851920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.851920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.851920][ T7704] netlink_rcv_skb+0x130/0x360 [ 5861.851920][ T7704] netlink_unicast+0x449/0x710 [ 5861.851920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5861.851920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5861.851920][ T7704] ___sys_sendmsg+0xee/0x170 [ 5861.851920][ T7704] __sys_sendmsg+0xcd/0x170 [ 5861.851920][ T7704] do_syscall_64+0xc6/0x1e0 [ 5861.851920][ T7704] [ 5861.854117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5861.854117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5861.854117][ T7704] ipv6_find_idev+0x102/0x170 [ 5861.854117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5861.854117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.854117][ T7704] netlink_rcv_skb+0x130/0x360 [ 5861.854117][ T7704] netlink_unicast+0x449/0x710 [ 5861.854117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5861.854117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5861.854117][ T7704] ___sys_sendmsg+0xee/0x170 [ 5861.854117][ T7704] __sys_sendmsg+0xcd/0x170 [ 5861.854117][ T7704] do_syscall_64+0xc6/0x1e0 [ 5861.854117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.854117][ T7704] [ 5861.855825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5861.855825][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5861.855825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5861.855825][ T7704] ipv6_find_idev+0x102/0x170 [ 5861.855825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5861.855825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.855825][ T7704] netlink_rcv_skb+0x130/0x360 [ 5861.855825][ T7704] netlink_unicast+0x449/0x710 [ 5861.855825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5861.855825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5861.855825][ T7704] ___sys_sendmsg+0xee/0x170 [ 5861.855825][ T7704] __sys_sendmsg+0xcd/0x170 [ 5861.855825][ T7704] do_syscall_64+0xc6/0x1e0 [ 5861.855825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.855825][ T7704] [ 5871.990931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5871.991429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5871.991429][ T7704] netdev_get_by_index+0x5e/0x80 [ 5871.991429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5871.991429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5871.991429][ T7704] ip6_route_add+0x1c/0x140 [ 5871.991429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5871.991429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5871.991429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.991429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.991429][ T7704] netlink_rcv_skb+0x130/0x360 [ 5871.991429][ T7704] netlink_unicast+0x449/0x710 [ 5871.991429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5871.991429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5871.991429][ T7704] ___sys_sendmsg+0xee/0x170 [ 5871.991429][ T7704] __sys_sendmsg+0xcd/0x170 [ 5871.991429][ T7704] do_syscall_64+0xc6/0x1e0 [ 5871.991429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.991429][ T7704] [ 5871.993704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5871.993704][ T7704] netdev_get_by_index+0x5e/0x80 [ 5871.993704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5871.993704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5871.993704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5871.993704][ T7704] ipv6_add_addr+0x411/0x2000 [ 5871.993704][ T7704] inet6_addr_add+0x30e/0xa40 [ 5871.993704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.993704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.993704][ T7704] netlink_rcv_skb+0x130/0x360 [ 5871.993704][ T7704] netlink_unicast+0x449/0x710 [ 5871.993704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5871.993704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5871.993704][ T7704] ___sys_sendmsg+0xee/0x170 [ 5871.993704][ T7704] __sys_sendmsg+0xcd/0x170 [ 5871.993704][ T7704] do_syscall_64+0xc6/0x1e0 [ 5871.993704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.993704][ T7704] [ 5871.995934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5871.995934][ T7704] netdev_get_by_index+0x5e/0x80 [ 5871.995934][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5871.995934][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5871.995934][ T7704] ip6_route_add+0x1c/0x140 [ 5871.995934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5871.995934][ T7704] addrconf_add_dev+0xe2/0x170 [ 5871.995934][ T7704] inet6_addr_add+0x12f/0xa40 [ 5871.995934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.995934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.995934][ T7704] netlink_rcv_skb+0x130/0x360 [ 5871.995934][ T7704] netlink_unicast+0x449/0x710 [ 5871.995934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5871.995934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5871.995934][ T7704] ___sys_sendmsg+0xee/0x170 [ 5871.995934][ T7704] __sys_sendmsg+0xcd/0x170 [ 5871.995934][ T7704] do_syscall_64+0xc6/0x1e0 [ 5871.995934][ T7704] [ 5871.998124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5871.998124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5871.998124][ T7704] ipv6_find_idev+0x102/0x170 [ 5871.998124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5871.998124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.998124][ T7704] netlink_rcv_skb+0x130/0x360 [ 5871.998124][ T7704] netlink_unicast+0x449/0x710 [ 5871.998124][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5871.998124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5871.998124][ T7704] ___sys_sendmsg+0xee/0x170 [ 5871.998124][ T7704] __sys_sendmsg+0xcd/0x170 [ 5871.998124][ T7704] do_syscall_64+0xc6/0x1e0 [ 5871.998124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.998124][ T7704] [ 5871.999832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5871.999832][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5871.999832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5871.999832][ T7704] ipv6_find_idev+0x102/0x170 [ 5871.999832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5871.999832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.999832][ T7704] netlink_rcv_skb+0x130/0x360 [ 5871.999832][ T7704] netlink_unicast+0x449/0x710 [ 5871.999832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5871.999832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5871.999832][ T7704] ___sys_sendmsg+0xee/0x170 [ 5871.999832][ T7704] __sys_sendmsg+0xcd/0x170 [ 5871.999832][ T7704] do_syscall_64+0xc6/0x1e0 [ 5871.999832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.999832][ T7704] [ 5882.238939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5882.239438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5882.239438][ T7704] netdev_get_by_index+0x5e/0x80 [ 5882.239438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5882.239438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5882.239438][ T7704] ip6_route_add+0x1c/0x140 [ 5882.239438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5882.239438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5882.239438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.239438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.239438][ T7704] netlink_rcv_skb+0x130/0x360 [ 5882.239438][ T7704] netlink_unicast+0x449/0x710 [ 5882.239438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5882.239438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5882.239438][ T7704] ___sys_sendmsg+0xee/0x170 [ 5882.239438][ T7704] __sys_sendmsg+0xcd/0x170 [ 5882.239438][ T7704] do_syscall_64+0xc6/0x1e0 [ 5882.239438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.239438][ T7704] [ 5882.241692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5882.241692][ T7704] netdev_get_by_index+0x5e/0x80 [ 5882.241692][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5882.241692][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5882.241692][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5882.241692][ T7704] ipv6_add_addr+0x411/0x2000 [ 5882.241692][ T7704] inet6_addr_add+0x30e/0xa40 [ 5882.241692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.241692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.241692][ T7704] netlink_rcv_skb+0x130/0x360 [ 5882.241692][ T7704] netlink_unicast+0x449/0x710 [ 5882.241692][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5882.241692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5882.241692][ T7704] ___sys_sendmsg+0xee/0x170 [ 5882.241692][ T7704] __sys_sendmsg+0xcd/0x170 [ 5882.241692][ T7704] do_syscall_64+0xc6/0x1e0 [ 5882.241692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.241692][ T7704] [ 5882.243913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5882.243913][ T7704] netdev_get_by_index+0x5e/0x80 [ 5882.243913][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5882.243913][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5882.243913][ T7704] ip6_route_add+0x1c/0x140 [ 5882.243913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5882.243913][ T7704] addrconf_add_dev+0xe2/0x170 [ 5882.243913][ T7704] inet6_addr_add+0x12f/0xa40 [ 5882.243913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.243913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.243913][ T7704] netlink_rcv_skb+0x130/0x360 [ 5882.243913][ T7704] netlink_unicast+0x449/0x710 [ 5882.243913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5882.243913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5882.243913][ T7704] ___sys_sendmsg+0xee/0x170 [ 5882.243913][ T7704] __sys_sendmsg+0xcd/0x170 [ 5882.243913][ T7704] do_syscall_64+0xc6/0x1e0 [ 5882.243913][ T7704] [ 5882.246095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5882.246095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5882.246095][ T7704] ipv6_find_idev+0x102/0x170 [ 5882.246095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5882.246095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.246095][ T7704] netlink_rcv_skb+0x130/0x360 [ 5882.246095][ T7704] netlink_unicast+0x449/0x710 [ 5882.246095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5882.246095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5882.246095][ T7704] ___sys_sendmsg+0xee/0x170 [ 5882.246095][ T7704] __sys_sendmsg+0xcd/0x170 [ 5882.246095][ T7704] do_syscall_64+0xc6/0x1e0 [ 5882.246095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.246095][ T7704] [ 5882.247795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5882.247795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5882.247795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5882.247795][ T7704] ipv6_find_idev+0x102/0x170 [ 5882.247795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5882.247795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.247795][ T7704] netlink_rcv_skb+0x130/0x360 [ 5882.247795][ T7704] netlink_unicast+0x449/0x710 [ 5882.247795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5882.247795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5882.247795][ T7704] ___sys_sendmsg+0xee/0x170 [ 5882.247795][ T7704] __sys_sendmsg+0xcd/0x170 [ 5882.247795][ T7704] do_syscall_64+0xc6/0x1e0 [ 5882.247795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.247795][ T7704] [ 5892.271012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5892.271560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5892.271560][ T7704] netdev_get_by_index+0x5e/0x80 [ 5892.271560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5892.271560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5892.271560][ T7704] ip6_route_add+0x1c/0x140 [ 5892.271560][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5892.271560][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5892.271560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.271560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.271560][ T7704] netlink_rcv_skb+0x130/0x360 [ 5892.271560][ T7704] netlink_unicast+0x449/0x710 [ 5892.271560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5892.271560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5892.271560][ T7704] ___sys_sendmsg+0xee/0x170 [ 5892.271560][ T7704] __sys_sendmsg+0xcd/0x170 [ 5892.271560][ T7704] do_syscall_64+0xc6/0x1e0 [ 5892.271560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.271560][ T7704] [ 5892.274069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5892.274069][ T7704] netdev_get_by_index+0x5e/0x80 [ 5892.274069][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5892.274069][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5892.274069][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5892.274069][ T7704] ipv6_add_addr+0x411/0x2000 [ 5892.274069][ T7704] inet6_addr_add+0x30e/0xa40 [ 5892.274069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.274069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.274069][ T7704] netlink_rcv_skb+0x130/0x360 [ 5892.274069][ T7704] netlink_unicast+0x449/0x710 [ 5892.274069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5892.274069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5892.274069][ T7704] ___sys_sendmsg+0xee/0x170 [ 5892.274069][ T7704] __sys_sendmsg+0xcd/0x170 [ 5892.274069][ T7704] do_syscall_64+0xc6/0x1e0 [ 5892.274069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.274069][ T7704] [ 5892.276527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5892.276527][ T7704] netdev_get_by_index+0x5e/0x80 [ 5892.276527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5892.276527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5892.276527][ T7704] ip6_route_add+0x1c/0x140 [ 5892.276527][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5892.276527][ T7704] addrconf_add_dev+0xe2/0x170 [ 5892.276527][ T7704] inet6_addr_add+0x12f/0xa40 [ 5892.276527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.276527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.276527][ T7704] netlink_rcv_skb+0x130/0x360 [ 5892.276527][ T7704] netlink_unicast+0x449/0x710 [ 5892.276527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5892.276527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5892.276527][ T7704] ___sys_sendmsg+0xee/0x170 [ 5892.276527][ T7704] __sys_sendmsg+0xcd/0x170 [ 5892.276527][ T7704] do_syscall_64+0xc6/0x1e0 [ 5892.276527][ T7704] [ 5892.278944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5892.278944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5892.278944][ T7704] ipv6_find_idev+0x102/0x170 [ 5892.278944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5892.278944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.278944][ T7704] netlink_rcv_skb+0x130/0x360 [ 5892.278944][ T7704] netlink_unicast+0x449/0x710 [ 5892.278944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5892.278944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5892.278944][ T7704] ___sys_sendmsg+0xee/0x170 [ 5892.278944][ T7704] __sys_sendmsg+0xcd/0x170 [ 5892.278944][ T7704] do_syscall_64+0xc6/0x1e0 [ 5892.278944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.278944][ T7704] [ 5892.280838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5892.280838][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5892.280838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5892.280838][ T7704] ipv6_find_idev+0x102/0x170 [ 5892.280838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5892.280838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.280838][ T7704] netlink_rcv_skb+0x130/0x360 [ 5892.280838][ T7704] netlink_unicast+0x449/0x710 [ 5892.280838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5892.280838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5892.280838][ T7704] ___sys_sendmsg+0xee/0x170 [ 5892.280838][ T7704] __sys_sendmsg+0xcd/0x170 [ 5892.280838][ T7704] do_syscall_64+0xc6/0x1e0 [ 5892.280838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.280838][ T7704] [ 5902.526874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5902.527355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5902.527355][ T7704] netdev_get_by_index+0x5e/0x80 [ 5902.527355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5902.527355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5902.527355][ T7704] ip6_route_add+0x1c/0x140 [ 5902.527355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5902.527355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5902.527355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.527355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.527355][ T7704] netlink_rcv_skb+0x130/0x360 [ 5902.527355][ T7704] netlink_unicast+0x449/0x710 [ 5902.527355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5902.527355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5902.527355][ T7704] ___sys_sendmsg+0xee/0x170 [ 5902.527355][ T7704] __sys_sendmsg+0xcd/0x170 [ 5902.527355][ T7704] do_syscall_64+0xc6/0x1e0 [ 5902.527355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.527355][ T7704] [ 5902.529611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5902.529611][ T7704] netdev_get_by_index+0x5e/0x80 [ 5902.529611][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5902.529611][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5902.529611][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5902.529611][ T7704] ipv6_add_addr+0x411/0x2000 [ 5902.529611][ T7704] inet6_addr_add+0x30e/0xa40 [ 5902.529611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.529611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.529611][ T7704] netlink_rcv_skb+0x130/0x360 [ 5902.529611][ T7704] netlink_unicast+0x449/0x710 [ 5902.529611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5902.529611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5902.529611][ T7704] ___sys_sendmsg+0xee/0x170 [ 5902.529611][ T7704] __sys_sendmsg+0xcd/0x170 [ 5902.529611][ T7704] do_syscall_64+0xc6/0x1e0 [ 5902.529611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.529611][ T7704] [ 5902.531852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5902.531852][ T7704] netdev_get_by_index+0x5e/0x80 [ 5902.531852][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5902.531852][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5902.531852][ T7704] ip6_route_add+0x1c/0x140 [ 5902.531852][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5902.531852][ T7704] addrconf_add_dev+0xe2/0x170 [ 5902.531852][ T7704] inet6_addr_add+0x12f/0xa40 [ 5902.531852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.531852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.531852][ T7704] netlink_rcv_skb+0x130/0x360 [ 5902.531852][ T7704] netlink_unicast+0x449/0x710 [ 5902.531852][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5902.531852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5902.531852][ T7704] ___sys_sendmsg+0xee/0x170 [ 5902.531852][ T7704] __sys_sendmsg+0xcd/0x170 [ 5902.531852][ T7704] do_syscall_64+0xc6/0x1e0 [ 5902.531852][ T7704] [ 5902.534046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5902.534046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5902.534046][ T7704] ipv6_find_idev+0x102/0x170 [ 5902.534046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5902.534046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.534046][ T7704] netlink_rcv_skb+0x130/0x360 [ 5902.534046][ T7704] netlink_unicast+0x449/0x710 [ 5902.534046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5902.534046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5902.534046][ T7704] ___sys_sendmsg+0xee/0x170 [ 5902.534046][ T7704] __sys_sendmsg+0xcd/0x170 [ 5902.534046][ T7704] do_syscall_64+0xc6/0x1e0 [ 5902.534046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.534046][ T7704] [ 5902.535759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5902.535759][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5902.535759][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5902.535759][ T7704] ipv6_find_idev+0x102/0x170 [ 5902.535759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5902.535759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.535759][ T7704] netlink_rcv_skb+0x130/0x360 [ 5902.535759][ T7704] netlink_unicast+0x449/0x710 [ 5902.535759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5902.535759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5902.535759][ T7704] ___sys_sendmsg+0xee/0x170 [ 5902.535759][ T7704] __sys_sendmsg+0xcd/0x170 [ 5902.535759][ T7704] do_syscall_64+0xc6/0x1e0 [ 5902.535759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.535759][ T7704] [ 5912.774957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5912.775469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5912.775469][ T7704] netdev_get_by_index+0x5e/0x80 [ 5912.775469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5912.775469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5912.775469][ T7704] ip6_route_add+0x1c/0x140 [ 5912.775469][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5912.775469][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5912.775469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.775469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.775469][ T7704] netlink_rcv_skb+0x130/0x360 [ 5912.775469][ T7704] netlink_unicast+0x449/0x710 [ 5912.775469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5912.775469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5912.775469][ T7704] ___sys_sendmsg+0xee/0x170 [ 5912.775469][ T7704] __sys_sendmsg+0xcd/0x170 [ 5912.775469][ T7704] do_syscall_64+0xc6/0x1e0 [ 5912.775469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.775469][ T7704] [ 5912.777713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5912.777713][ T7704] netdev_get_by_index+0x5e/0x80 [ 5912.777713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5912.777713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5912.777713][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5912.777713][ T7704] ipv6_add_addr+0x411/0x2000 [ 5912.777713][ T7704] inet6_addr_add+0x30e/0xa40 [ 5912.777713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.777713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.777713][ T7704] netlink_rcv_skb+0x130/0x360 [ 5912.777713][ T7704] netlink_unicast+0x449/0x710 [ 5912.777713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5912.777713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5912.777713][ T7704] ___sys_sendmsg+0xee/0x170 [ 5912.777713][ T7704] __sys_sendmsg+0xcd/0x170 [ 5912.777713][ T7704] do_syscall_64+0xc6/0x1e0 [ 5912.777713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.777713][ T7704] [ 5912.779941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5912.779941][ T7704] netdev_get_by_index+0x5e/0x80 [ 5912.779941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5912.779941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5912.779941][ T7704] ip6_route_add+0x1c/0x140 [ 5912.779941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5912.779941][ T7704] addrconf_add_dev+0xe2/0x170 [ 5912.779941][ T7704] inet6_addr_add+0x12f/0xa40 [ 5912.779941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.779941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.779941][ T7704] netlink_rcv_skb+0x130/0x360 [ 5912.779941][ T7704] netlink_unicast+0x449/0x710 [ 5912.779941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5912.779941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5912.779941][ T7704] ___sys_sendmsg+0xee/0x170 [ 5912.779941][ T7704] __sys_sendmsg+0xcd/0x170 [ 5912.779941][ T7704] do_syscall_64+0xc6/0x1e0 [ 5912.779941][ T7704] [ 5912.782249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5912.782249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5912.782249][ T7704] ipv6_find_idev+0x102/0x170 [ 5912.782249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5912.782249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.782249][ T7704] netlink_rcv_skb+0x130/0x360 [ 5912.782249][ T7704] netlink_unicast+0x449/0x710 [ 5912.782249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5912.782249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5912.782249][ T7704] ___sys_sendmsg+0xee/0x170 [ 5912.782249][ T7704] __sys_sendmsg+0xcd/0x170 [ 5912.782249][ T7704] do_syscall_64+0xc6/0x1e0 [ 5912.782249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.782249][ T7704] [ 5912.783979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5912.783979][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5912.783979][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5912.783979][ T7704] ipv6_find_idev+0x102/0x170 [ 5912.783979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5912.783979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.783979][ T7704] netlink_rcv_skb+0x130/0x360 [ 5912.783979][ T7704] netlink_unicast+0x449/0x710 [ 5912.783979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5912.783979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5912.783979][ T7704] ___sys_sendmsg+0xee/0x170 [ 5912.783979][ T7704] __sys_sendmsg+0xcd/0x170 [ 5912.783979][ T7704] do_syscall_64+0xc6/0x1e0 [ 5912.783979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.783979][ T7704] [ 5922.870935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5922.871434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5922.871434][ T7704] netdev_get_by_index+0x5e/0x80 [ 5922.871434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5922.871434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5922.871434][ T7704] ip6_route_add+0x1c/0x140 [ 5922.871434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5922.871434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5922.871434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.871434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.871434][ T7704] netlink_rcv_skb+0x130/0x360 [ 5922.871434][ T7704] netlink_unicast+0x449/0x710 [ 5922.871434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5922.871434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5922.871434][ T7704] ___sys_sendmsg+0xee/0x170 [ 5922.871434][ T7704] __sys_sendmsg+0xcd/0x170 [ 5922.871434][ T7704] do_syscall_64+0xc6/0x1e0 [ 5922.871434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.871434][ T7704] [ 5922.873706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5922.873706][ T7704] netdev_get_by_index+0x5e/0x80 [ 5922.873706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5922.873706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5922.873706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5922.873706][ T7704] ipv6_add_addr+0x411/0x2000 [ 5922.873706][ T7704] inet6_addr_add+0x30e/0xa40 [ 5922.873706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.873706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.873706][ T7704] netlink_rcv_skb+0x130/0x360 [ 5922.873706][ T7704] netlink_unicast+0x449/0x710 [ 5922.873706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5922.873706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5922.873706][ T7704] ___sys_sendmsg+0xee/0x170 [ 5922.873706][ T7704] __sys_sendmsg+0xcd/0x170 [ 5922.873706][ T7704] do_syscall_64+0xc6/0x1e0 [ 5922.873706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.873706][ T7704] [ 5922.875965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5922.875965][ T7704] netdev_get_by_index+0x5e/0x80 [ 5922.875965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5922.875965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5922.875965][ T7704] ip6_route_add+0x1c/0x140 [ 5922.875965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5922.875965][ T7704] addrconf_add_dev+0xe2/0x170 [ 5922.875965][ T7704] inet6_addr_add+0x12f/0xa40 [ 5922.875965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.875965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.875965][ T7704] netlink_rcv_skb+0x130/0x360 [ 5922.875965][ T7704] netlink_unicast+0x449/0x710 [ 5922.875965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5922.875965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5922.875965][ T7704] ___sys_sendmsg+0xee/0x170 [ 5922.875965][ T7704] __sys_sendmsg+0xcd/0x170 [ 5922.875965][ T7704] do_syscall_64+0xc6/0x1e0 [ 5922.875965][ T7704] [ 5922.878159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5922.878159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5922.878159][ T7704] ipv6_find_idev+0x102/0x170 [ 5922.878159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5922.878159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.878159][ T7704] netlink_rcv_skb+0x130/0x360 [ 5922.878159][ T7704] netlink_unicast+0x449/0x710 [ 5922.878159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5922.878159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5922.878159][ T7704] ___sys_sendmsg+0xee/0x170 [ 5922.878159][ T7704] __sys_sendmsg+0xcd/0x170 [ 5922.878159][ T7704] do_syscall_64+0xc6/0x1e0 [ 5922.878159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.878159][ T7704] [ 5922.879866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5922.879866][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5922.879866][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5922.879866][ T7704] ipv6_find_idev+0x102/0x170 [ 5922.879866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5922.879866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.879866][ T7704] netlink_rcv_skb+0x130/0x360 [ 5922.879866][ T7704] netlink_unicast+0x449/0x710 [ 5922.879866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5922.879866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5922.879866][ T7704] ___sys_sendmsg+0xee/0x170 [ 5922.879866][ T7704] __sys_sendmsg+0xcd/0x170 [ 5922.879866][ T7704] do_syscall_64+0xc6/0x1e0 [ 5922.879866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.879866][ T7704] [ 5933.054945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5933.055451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5933.055451][ T7704] netdev_get_by_index+0x5e/0x80 [ 5933.055451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5933.055451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5933.055451][ T7704] ip6_route_add+0x1c/0x140 [ 5933.055451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5933.055451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5933.055451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.055451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.055451][ T7704] netlink_rcv_skb+0x130/0x360 [ 5933.055451][ T7704] netlink_unicast+0x449/0x710 [ 5933.055451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5933.055451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5933.055451][ T7704] ___sys_sendmsg+0xee/0x170 [ 5933.055451][ T7704] __sys_sendmsg+0xcd/0x170 [ 5933.055451][ T7704] do_syscall_64+0xc6/0x1e0 [ 5933.055451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.055451][ T7704] [ 5933.057700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5933.057700][ T7704] netdev_get_by_index+0x5e/0x80 [ 5933.057700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5933.057700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5933.057700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5933.057700][ T7704] ipv6_add_addr+0x411/0x2000 [ 5933.057700][ T7704] inet6_addr_add+0x30e/0xa40 [ 5933.057700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.057700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.057700][ T7704] netlink_rcv_skb+0x130/0x360 [ 5933.057700][ T7704] netlink_unicast+0x449/0x710 [ 5933.057700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5933.057700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5933.057700][ T7704] ___sys_sendmsg+0xee/0x170 [ 5933.057700][ T7704] __sys_sendmsg+0xcd/0x170 [ 5933.057700][ T7704] do_syscall_64+0xc6/0x1e0 [ 5933.057700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.057700][ T7704] [ 5933.059923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5933.059923][ T7704] netdev_get_by_index+0x5e/0x80 [ 5933.059923][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5933.059923][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5933.059923][ T7704] ip6_route_add+0x1c/0x140 [ 5933.059923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5933.059923][ T7704] addrconf_add_dev+0xe2/0x170 [ 5933.059923][ T7704] inet6_addr_add+0x12f/0xa40 [ 5933.059923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.059923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.059923][ T7704] netlink_rcv_skb+0x130/0x360 [ 5933.059923][ T7704] netlink_unicast+0x449/0x710 [ 5933.059923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5933.059923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5933.059923][ T7704] ___sys_sendmsg+0xee/0x170 [ 5933.059923][ T7704] __sys_sendmsg+0xcd/0x170 [ 5933.059923][ T7704] do_syscall_64+0xc6/0x1e0 [ 5933.059923][ T7704] [ 5933.062119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5933.062119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5933.062119][ T7704] ipv6_find_idev+0x102/0x170 [ 5933.062119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5933.062119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.062119][ T7704] netlink_rcv_skb+0x130/0x360 [ 5933.062119][ T7704] netlink_unicast+0x449/0x710 [ 5933.062119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5933.062119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5933.062119][ T7704] ___sys_sendmsg+0xee/0x170 [ 5933.062119][ T7704] __sys_sendmsg+0xcd/0x170 [ 5933.062119][ T7704] do_syscall_64+0xc6/0x1e0 [ 5933.062119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.062119][ T7704] [ 5933.063880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5933.063880][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5933.063880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5933.063880][ T7704] ipv6_find_idev+0x102/0x170 [ 5933.063880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5933.063880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.063880][ T7704] netlink_rcv_skb+0x130/0x360 [ 5933.063880][ T7704] netlink_unicast+0x449/0x710 [ 5933.063880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5933.063880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5933.063880][ T7704] ___sys_sendmsg+0xee/0x170 [ 5933.063880][ T7704] __sys_sendmsg+0xcd/0x170 [ 5933.063880][ T7704] do_syscall_64+0xc6/0x1e0 [ 5933.063880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.063880][ T7704] [ 5943.302879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5943.303380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5943.303380][ T7704] netdev_get_by_index+0x5e/0x80 [ 5943.303380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5943.303380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5943.303380][ T7704] ip6_route_add+0x1c/0x140 [ 5943.303380][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5943.303380][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5943.303380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.303380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.303380][ T7704] netlink_rcv_skb+0x130/0x360 [ 5943.303380][ T7704] netlink_unicast+0x449/0x710 [ 5943.303380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5943.303380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5943.303380][ T7704] ___sys_sendmsg+0xee/0x170 [ 5943.303380][ T7704] __sys_sendmsg+0xcd/0x170 [ 5943.303380][ T7704] do_syscall_64+0xc6/0x1e0 [ 5943.303380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.303380][ T7704] [ 5943.305633][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5943.305633][ T7704] netdev_get_by_index+0x5e/0x80 [ 5943.305633][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5943.305633][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5943.305633][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5943.305633][ T7704] ipv6_add_addr+0x411/0x2000 [ 5943.305633][ T7704] inet6_addr_add+0x30e/0xa40 [ 5943.305633][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.305633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.305633][ T7704] netlink_rcv_skb+0x130/0x360 [ 5943.305633][ T7704] netlink_unicast+0x449/0x710 [ 5943.305633][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5943.305633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5943.305633][ T7704] ___sys_sendmsg+0xee/0x170 [ 5943.305633][ T7704] __sys_sendmsg+0xcd/0x170 [ 5943.305633][ T7704] do_syscall_64+0xc6/0x1e0 [ 5943.305633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.305633][ T7704] [ 5943.307865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5943.307865][ T7704] netdev_get_by_index+0x5e/0x80 [ 5943.307865][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5943.307865][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5943.307865][ T7704] ip6_route_add+0x1c/0x140 [ 5943.307865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5943.307865][ T7704] addrconf_add_dev+0xe2/0x170 [ 5943.307865][ T7704] inet6_addr_add+0x12f/0xa40 [ 5943.307865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.307865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.307865][ T7704] netlink_rcv_skb+0x130/0x360 [ 5943.307865][ T7704] netlink_unicast+0x449/0x710 [ 5943.307865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5943.307865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5943.307865][ T7704] ___sys_sendmsg+0xee/0x170 [ 5943.307865][ T7704] __sys_sendmsg+0xcd/0x170 [ 5943.307865][ T7704] do_syscall_64+0xc6/0x1e0 [ 5943.307865][ T7704] [ 5943.310056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5943.310056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5943.310056][ T7704] ipv6_find_idev+0x102/0x170 [ 5943.310056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5943.310056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.310056][ T7704] netlink_rcv_skb+0x130/0x360 [ 5943.310056][ T7704] netlink_unicast+0x449/0x710 [ 5943.310056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5943.310056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5943.310056][ T7704] ___sys_sendmsg+0xee/0x170 [ 5943.310056][ T7704] __sys_sendmsg+0xcd/0x170 [ 5943.310056][ T7704] do_syscall_64+0xc6/0x1e0 [ 5943.310056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.310056][ T7704] [ 5943.311790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5943.311790][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5943.311790][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5943.311790][ T7704] ipv6_find_idev+0x102/0x170 [ 5943.311790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5943.311790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.311790][ T7704] netlink_rcv_skb+0x130/0x360 [ 5943.311790][ T7704] netlink_unicast+0x449/0x710 [ 5943.311790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5943.311790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5943.311790][ T7704] ___sys_sendmsg+0xee/0x170 [ 5943.311790][ T7704] __sys_sendmsg+0xcd/0x170 [ 5943.311790][ T7704] do_syscall_64+0xc6/0x1e0 [ 5943.311790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.311790][ T7704] [ 5953.838969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5953.839473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5953.839473][ T7704] netdev_get_by_index+0x5e/0x80 [ 5953.839473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5953.839473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5953.839473][ T7704] ip6_route_add+0x1c/0x140 [ 5953.839473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5953.839473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5953.839473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.839473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.839473][ T7704] netlink_rcv_skb+0x130/0x360 [ 5953.839473][ T7704] netlink_unicast+0x449/0x710 [ 5953.839473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5953.839473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5953.839473][ T7704] ___sys_sendmsg+0xee/0x170 [ 5953.839473][ T7704] __sys_sendmsg+0xcd/0x170 [ 5953.839473][ T7704] do_syscall_64+0xc6/0x1e0 [ 5953.839473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.839473][ T7704] [ 5953.841736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5953.841736][ T7704] netdev_get_by_index+0x5e/0x80 [ 5953.841736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5953.841736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5953.841736][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5953.841736][ T7704] ipv6_add_addr+0x411/0x2000 [ 5953.841736][ T7704] inet6_addr_add+0x30e/0xa40 [ 5953.841736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.841736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.841736][ T7704] netlink_rcv_skb+0x130/0x360 [ 5953.841736][ T7704] netlink_unicast+0x449/0x710 [ 5953.841736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5953.841736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5953.841736][ T7704] ___sys_sendmsg+0xee/0x170 [ 5953.841736][ T7704] __sys_sendmsg+0xcd/0x170 [ 5953.841736][ T7704] do_syscall_64+0xc6/0x1e0 [ 5953.841736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.841736][ T7704] [ 5953.843970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5953.843970][ T7704] netdev_get_by_index+0x5e/0x80 [ 5953.843970][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5953.843970][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5953.843970][ T7704] ip6_route_add+0x1c/0x140 [ 5953.843970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5953.843970][ T7704] addrconf_add_dev+0xe2/0x170 [ 5953.843970][ T7704] inet6_addr_add+0x12f/0xa40 [ 5953.843970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.843970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.843970][ T7704] netlink_rcv_skb+0x130/0x360 [ 5953.843970][ T7704] netlink_unicast+0x449/0x710 [ 5953.843970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5953.843970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5953.843970][ T7704] ___sys_sendmsg+0xee/0x170 [ 5953.843970][ T7704] __sys_sendmsg+0xcd/0x170 [ 5953.843970][ T7704] do_syscall_64+0xc6/0x1e0 [ 5953.843970][ T7704] [ 5953.846164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5953.846164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5953.846164][ T7704] ipv6_find_idev+0x102/0x170 [ 5953.846164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5953.846164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.846164][ T7704] netlink_rcv_skb+0x130/0x360 [ 5953.846164][ T7704] netlink_unicast+0x449/0x710 [ 5953.846164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5953.846164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5953.846164][ T7704] ___sys_sendmsg+0xee/0x170 [ 5953.846164][ T7704] __sys_sendmsg+0xcd/0x170 [ 5953.846164][ T7704] do_syscall_64+0xc6/0x1e0 [ 5953.846164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.846164][ T7704] [ 5953.847911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5953.847911][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5953.847911][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5953.847911][ T7704] ipv6_find_idev+0x102/0x170 [ 5953.847911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5953.847911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.847911][ T7704] netlink_rcv_skb+0x130/0x360 [ 5953.847911][ T7704] netlink_unicast+0x449/0x710 [ 5953.847911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5953.847911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5953.847911][ T7704] ___sys_sendmsg+0xee/0x170 [ 5953.847911][ T7704] __sys_sendmsg+0xcd/0x170 [ 5953.847911][ T7704] do_syscall_64+0xc6/0x1e0 [ 5953.847911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.847911][ T7704] [ 5964.094943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5964.095444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5964.095444][ T7704] netdev_get_by_index+0x5e/0x80 [ 5964.095444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5964.095444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5964.095444][ T7704] ip6_route_add+0x1c/0x140 [ 5964.095444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5964.095444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5964.095444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.095444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.095444][ T7704] netlink_rcv_skb+0x130/0x360 [ 5964.095444][ T7704] netlink_unicast+0x449/0x710 [ 5964.095444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5964.095444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5964.095444][ T7704] ___sys_sendmsg+0xee/0x170 [ 5964.095444][ T7704] __sys_sendmsg+0xcd/0x170 [ 5964.095444][ T7704] do_syscall_64+0xc6/0x1e0 [ 5964.095444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.095444][ T7704] [ 5964.097700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5964.097700][ T7704] netdev_get_by_index+0x5e/0x80 [ 5964.097700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5964.097700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5964.097700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5964.097700][ T7704] ipv6_add_addr+0x411/0x2000 [ 5964.097700][ T7704] inet6_addr_add+0x30e/0xa40 [ 5964.097700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.097700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.097700][ T7704] netlink_rcv_skb+0x130/0x360 [ 5964.097700][ T7704] netlink_unicast+0x449/0x710 [ 5964.097700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5964.097700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5964.097700][ T7704] ___sys_sendmsg+0xee/0x170 [ 5964.097700][ T7704] __sys_sendmsg+0xcd/0x170 [ 5964.097700][ T7704] do_syscall_64+0xc6/0x1e0 [ 5964.097700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.097700][ T7704] [ 5964.099929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5964.099929][ T7704] netdev_get_by_index+0x5e/0x80 [ 5964.099929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5964.099929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5964.099929][ T7704] ip6_route_add+0x1c/0x140 [ 5964.099929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5964.099929][ T7704] addrconf_add_dev+0xe2/0x170 [ 5964.099929][ T7704] inet6_addr_add+0x12f/0xa40 [ 5964.099929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.099929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.099929][ T7704] netlink_rcv_skb+0x130/0x360 [ 5964.099929][ T7704] netlink_unicast+0x449/0x710 [ 5964.099929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5964.099929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5964.099929][ T7704] ___sys_sendmsg+0xee/0x170 [ 5964.099929][ T7704] __sys_sendmsg+0xcd/0x170 [ 5964.099929][ T7704] do_syscall_64+0xc6/0x1e0 [ 5964.099929][ T7704] [ 5964.102129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5964.102129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5964.102129][ T7704] ipv6_find_idev+0x102/0x170 [ 5964.102129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5964.102129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.102129][ T7704] netlink_rcv_skb+0x130/0x360 [ 5964.102129][ T7704] netlink_unicast+0x449/0x710 [ 5964.102129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5964.102129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5964.102129][ T7704] ___sys_sendmsg+0xee/0x170 [ 5964.102129][ T7704] __sys_sendmsg+0xcd/0x170 [ 5964.102129][ T7704] do_syscall_64+0xc6/0x1e0 [ 5964.102129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.102129][ T7704] [ 5964.103833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5964.103833][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5964.103833][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5964.103833][ T7704] ipv6_find_idev+0x102/0x170 [ 5964.103833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5964.103833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.103833][ T7704] netlink_rcv_skb+0x130/0x360 [ 5964.103833][ T7704] netlink_unicast+0x449/0x710 [ 5964.103833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5964.103833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5964.103833][ T7704] ___sys_sendmsg+0xee/0x170 [ 5964.103833][ T7704] __sys_sendmsg+0xcd/0x170 [ 5964.103833][ T7704] do_syscall_64+0xc6/0x1e0 [ 5964.103833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.103833][ T7704] [ 5974.262875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5974.263392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5974.263392][ T7704] netdev_get_by_index+0x5e/0x80 [ 5974.263392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5974.263392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5974.263392][ T7704] ip6_route_add+0x1c/0x140 [ 5974.263392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5974.263392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5974.263392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.263392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.263392][ T7704] netlink_rcv_skb+0x130/0x360 [ 5974.263392][ T7704] netlink_unicast+0x449/0x710 [ 5974.263392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5974.263392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5974.263392][ T7704] ___sys_sendmsg+0xee/0x170 [ 5974.263392][ T7704] __sys_sendmsg+0xcd/0x170 [ 5974.263392][ T7704] do_syscall_64+0xc6/0x1e0 [ 5974.263392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.263392][ T7704] [ 5974.265635][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5974.265635][ T7704] netdev_get_by_index+0x5e/0x80 [ 5974.265635][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5974.265635][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5974.265635][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5974.265635][ T7704] ipv6_add_addr+0x411/0x2000 [ 5974.265635][ T7704] inet6_addr_add+0x30e/0xa40 [ 5974.265635][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.265635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.265635][ T7704] netlink_rcv_skb+0x130/0x360 [ 5974.265635][ T7704] netlink_unicast+0x449/0x710 [ 5974.265635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5974.265635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5974.265635][ T7704] ___sys_sendmsg+0xee/0x170 [ 5974.265635][ T7704] __sys_sendmsg+0xcd/0x170 [ 5974.265635][ T7704] do_syscall_64+0xc6/0x1e0 [ 5974.265635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.265635][ T7704] [ 5974.267880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5974.267880][ T7704] netdev_get_by_index+0x5e/0x80 [ 5974.267880][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5974.267880][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5974.267880][ T7704] ip6_route_add+0x1c/0x140 [ 5974.267880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5974.267880][ T7704] addrconf_add_dev+0xe2/0x170 [ 5974.267880][ T7704] inet6_addr_add+0x12f/0xa40 [ 5974.267880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.267880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.267880][ T7704] netlink_rcv_skb+0x130/0x360 [ 5974.267880][ T7704] netlink_unicast+0x449/0x710 [ 5974.267880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5974.267880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5974.267880][ T7704] ___sys_sendmsg+0xee/0x170 [ 5974.267880][ T7704] __sys_sendmsg+0xcd/0x170 [ 5974.267880][ T7704] do_syscall_64+0xc6/0x1e0 [ 5974.267880][ T7704] [ 5974.270062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5974.270062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5974.270062][ T7704] ipv6_find_idev+0x102/0x170 [ 5974.270062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5974.270062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.270062][ T7704] netlink_rcv_skb+0x130/0x360 [ 5974.270062][ T7704] netlink_unicast+0x449/0x710 [ 5974.270062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5974.270062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5974.270062][ T7704] ___sys_sendmsg+0xee/0x170 [ 5974.270062][ T7704] __sys_sendmsg+0xcd/0x170 [ 5974.270062][ T7704] do_syscall_64+0xc6/0x1e0 [ 5974.270062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.270062][ T7704] [ 5974.271773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5974.271773][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5974.271773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5974.271773][ T7704] ipv6_find_idev+0x102/0x170 [ 5974.271773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5974.271773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.271773][ T7704] netlink_rcv_skb+0x130/0x360 [ 5974.271773][ T7704] netlink_unicast+0x449/0x710 [ 5974.271773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5974.271773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5974.271773][ T7704] ___sys_sendmsg+0xee/0x170 [ 5974.271773][ T7704] __sys_sendmsg+0xcd/0x170 [ 5974.271773][ T7704] do_syscall_64+0xc6/0x1e0 [ 5974.271773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.271773][ T7704] [ 5984.342868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5984.343367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5984.343367][ T7704] netdev_get_by_index+0x5e/0x80 [ 5984.343367][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5984.343367][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5984.343367][ T7704] ip6_route_add+0x1c/0x140 [ 5984.343367][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5984.343367][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5984.343367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.343367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.343367][ T7704] netlink_rcv_skb+0x130/0x360 [ 5984.343367][ T7704] netlink_unicast+0x449/0x710 [ 5984.343367][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5984.343367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5984.343367][ T7704] ___sys_sendmsg+0xee/0x170 [ 5984.343367][ T7704] __sys_sendmsg+0xcd/0x170 [ 5984.343367][ T7704] do_syscall_64+0xc6/0x1e0 [ 5984.343367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.343367][ T7704] [ 5984.345622][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5984.345622][ T7704] netdev_get_by_index+0x5e/0x80 [ 5984.345622][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5984.345622][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5984.345622][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5984.345622][ T7704] ipv6_add_addr+0x411/0x2000 [ 5984.345622][ T7704] inet6_addr_add+0x30e/0xa40 [ 5984.345622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.345622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.345622][ T7704] netlink_rcv_skb+0x130/0x360 [ 5984.345622][ T7704] netlink_unicast+0x449/0x710 [ 5984.345622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5984.345622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5984.345622][ T7704] ___sys_sendmsg+0xee/0x170 [ 5984.345622][ T7704] __sys_sendmsg+0xcd/0x170 [ 5984.345622][ T7704] do_syscall_64+0xc6/0x1e0 [ 5984.345622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.345622][ T7704] [ 5984.347846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5984.347846][ T7704] netdev_get_by_index+0x5e/0x80 [ 5984.347846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5984.347846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5984.347846][ T7704] ip6_route_add+0x1c/0x140 [ 5984.347846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5984.347846][ T7704] addrconf_add_dev+0xe2/0x170 [ 5984.347846][ T7704] inet6_addr_add+0x12f/0xa40 [ 5984.347846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.347846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.347846][ T7704] netlink_rcv_skb+0x130/0x360 [ 5984.347846][ T7704] netlink_unicast+0x449/0x710 [ 5984.347846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5984.347846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5984.347846][ T7704] ___sys_sendmsg+0xee/0x170 [ 5984.347846][ T7704] __sys_sendmsg+0xcd/0x170 [ 5984.347846][ T7704] do_syscall_64+0xc6/0x1e0 [ 5984.347846][ T7704] [ 5984.350050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5984.350050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5984.350050][ T7704] ipv6_find_idev+0x102/0x170 [ 5984.350050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5984.350050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.350050][ T7704] netlink_rcv_skb+0x130/0x360 [ 5984.350050][ T7704] netlink_unicast+0x449/0x710 [ 5984.350050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5984.350050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5984.350050][ T7704] ___sys_sendmsg+0xee/0x170 [ 5984.350050][ T7704] __sys_sendmsg+0xcd/0x170 [ 5984.350050][ T7704] do_syscall_64+0xc6/0x1e0 [ 5984.350050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.350050][ T7704] [ 5984.351765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5984.351765][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5984.351765][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5984.351765][ T7704] ipv6_find_idev+0x102/0x170 [ 5984.351765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5984.351765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.351765][ T7704] netlink_rcv_skb+0x130/0x360 [ 5984.351765][ T7704] netlink_unicast+0x449/0x710 [ 5984.351765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5984.351765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5984.351765][ T7704] ___sys_sendmsg+0xee/0x170 [ 5984.351765][ T7704] __sys_sendmsg+0xcd/0x170 [ 5984.351765][ T7704] do_syscall_64+0xc6/0x1e0 [ 5984.351765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.351765][ T7704] [ 5994.598882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5994.599385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5994.599385][ T7704] netdev_get_by_index+0x5e/0x80 [ 5994.599385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5994.599385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5994.599385][ T7704] ip6_route_add+0x1c/0x140 [ 5994.599385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5994.599385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5994.599385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.599385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.599385][ T7704] netlink_rcv_skb+0x130/0x360 [ 5994.599385][ T7704] netlink_unicast+0x449/0x710 [ 5994.599385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5994.599385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5994.599385][ T7704] ___sys_sendmsg+0xee/0x170 [ 5994.599385][ T7704] __sys_sendmsg+0xcd/0x170 [ 5994.599385][ T7704] do_syscall_64+0xc6/0x1e0 [ 5994.599385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.599385][ T7704] [ 5994.602187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5994.602187][ T7704] netdev_get_by_index+0x5e/0x80 [ 5994.602187][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5994.602187][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5994.602187][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5994.602187][ T7704] ipv6_add_addr+0x411/0x2000 [ 5994.602187][ T7704] inet6_addr_add+0x30e/0xa40 [ 5994.602187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.602187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.602187][ T7704] netlink_rcv_skb+0x130/0x360 [ 5994.602187][ T7704] netlink_unicast+0x449/0x710 [ 5994.602187][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5994.602187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5994.602187][ T7704] ___sys_sendmsg+0xee/0x170 [ 5994.602187][ T7704] __sys_sendmsg+0xcd/0x170 [ 5994.602187][ T7704] do_syscall_64+0xc6/0x1e0 [ 5994.602187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.602187][ T7704] [ 5994.604420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5994.604420][ T7704] netdev_get_by_index+0x5e/0x80 [ 5994.604420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5994.604420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5994.604420][ T7704] ip6_route_add+0x1c/0x140 [ 5994.604420][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5994.604420][ T7704] addrconf_add_dev+0xe2/0x170 [ 5994.604420][ T7704] inet6_addr_add+0x12f/0xa40 [ 5994.604420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.604420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.604420][ T7704] netlink_rcv_skb+0x130/0x360 [ 5994.604420][ T7704] netlink_unicast+0x449/0x710 [ 5994.604420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5994.604420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5994.604420][ T7704] ___sys_sendmsg+0xee/0x170 [ 5994.604420][ T7704] __sys_sendmsg+0xcd/0x170 [ 5994.604420][ T7704] do_syscall_64+0xc6/0x1e0 [ 5994.604420][ T7704] [ 5994.606598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5994.606598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5994.606598][ T7704] ipv6_find_idev+0x102/0x170 [ 5994.606598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5994.606598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.606598][ T7704] netlink_rcv_skb+0x130/0x360 [ 5994.606598][ T7704] netlink_unicast+0x449/0x710 [ 5994.606598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5994.606598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5994.606598][ T7704] ___sys_sendmsg+0xee/0x170 [ 5994.606598][ T7704] __sys_sendmsg+0xcd/0x170 [ 5994.606598][ T7704] do_syscall_64+0xc6/0x1e0 [ 5994.606598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.606598][ T7704] [ 5994.608304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 5994.608304][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5994.608304][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5994.608304][ T7704] ipv6_find_idev+0x102/0x170 [ 5994.608304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5994.608304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.608304][ T7704] netlink_rcv_skb+0x130/0x360 [ 5994.608304][ T7704] netlink_unicast+0x449/0x710 [ 5994.608304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5994.608304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5994.608304][ T7704] ___sys_sendmsg+0xee/0x170 [ 5994.608304][ T7704] __sys_sendmsg+0xcd/0x170 [ 5994.608304][ T7704] do_syscall_64+0xc6/0x1e0 [ 5994.608304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.608304][ T7704] [ 6004.654936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6004.655443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6004.655443][ T7704] netdev_get_by_index+0x5e/0x80 [ 6004.655443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6004.655443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6004.655443][ T7704] ip6_route_add+0x1c/0x140 [ 6004.655443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6004.655443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6004.655443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.655443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.655443][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.655443][ T7704] netlink_unicast+0x449/0x710 [ 6004.655443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.655443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.655443][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.655443][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.655443][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.655443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.655443][ T7704] [ 6004.657739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6004.657739][ T7704] netdev_get_by_index+0x5e/0x80 [ 6004.657739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6004.657739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6004.657739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6004.657739][ T7704] ipv6_add_addr+0x411/0x2000 [ 6004.657739][ T7704] inet6_addr_add+0x30e/0xa40 [ 6004.657739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.657739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.657739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.657739][ T7704] netlink_unicast+0x449/0x710 [ 6004.657739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.657739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.657739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.657739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.657739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.657739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.657739][ T7704] [ 6004.659979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6004.659979][ T7704] netdev_get_by_index+0x5e/0x80 [ 6004.659979][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6004.659979][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6004.659979][ T7704] ip6_route_add+0x1c/0x140 [ 6004.659979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6004.659979][ T7704] addrconf_add_dev+0xe2/0x170 [ 6004.659979][ T7704] inet6_addr_add+0x12f/0xa40 [ 6004.659979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.659979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.659979][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.659979][ T7704] netlink_unicast+0x449/0x710 [ 6004.659979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.659979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.659979][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.659979][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.659979][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.659979][ T7704] [ 6004.662167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6004.662167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6004.662167][ T7704] ipv6_find_idev+0x102/0x170 [ 6004.662167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.662167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.662167][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.662167][ T7704] netlink_unicast+0x449/0x710 [ 6004.662167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.662167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.662167][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.662167][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.662167][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.662167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.662167][ T7704] [ 6004.663874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6004.663874][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6004.663874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6004.663874][ T7704] ipv6_find_idev+0x102/0x170 [ 6004.663874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.663874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.663874][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.663874][ T7704] netlink_unicast+0x449/0x710 [ 6004.663874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.663874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.663874][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.663874][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.663874][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.663874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.663874][ T7704] [ 6014.702941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6014.703499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6014.703499][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.703499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.703499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.703499][ T7704] ip6_route_add+0x1c/0x140 [ 6014.703499][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6014.703499][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6014.703499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.703499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.703499][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.703499][ T7704] netlink_unicast+0x449/0x710 [ 6014.703499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.703499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.703499][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.703499][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.703499][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.703499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.703499][ T7704] [ 6014.705786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6014.705786][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.705786][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.705786][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.705786][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6014.705786][ T7704] ipv6_add_addr+0x411/0x2000 [ 6014.705786][ T7704] inet6_addr_add+0x30e/0xa40 [ 6014.705786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.705786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.705786][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.705786][ T7704] netlink_unicast+0x449/0x710 [ 6014.705786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.705786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.705786][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.705786][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.705786][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.705786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.705786][ T7704] [ 6014.708055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6014.708055][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.708055][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.708055][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.708055][ T7704] ip6_route_add+0x1c/0x140 [ 6014.708055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6014.708055][ T7704] addrconf_add_dev+0xe2/0x170 [ 6014.708055][ T7704] inet6_addr_add+0x12f/0xa40 [ 6014.708055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.708055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.708055][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.708055][ T7704] netlink_unicast+0x449/0x710 [ 6014.708055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.708055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.708055][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.708055][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.708055][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.708055][ T7704] [ 6014.710280][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6014.710280][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6014.710280][ T7704] ipv6_find_idev+0x102/0x170 [ 6014.710280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6014.710280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.710280][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.710280][ T7704] netlink_unicast+0x449/0x710 [ 6014.710280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.710280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.710280][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.710280][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.710280][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.710280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.710280][ T7704] [ 6014.712036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6014.712036][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6014.712036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6014.712036][ T7704] ipv6_find_idev+0x102/0x170 [ 6014.712036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6014.712036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.712036][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.712036][ T7704] netlink_unicast+0x449/0x710 [ 6014.712036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.712036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.712036][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.712036][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.712036][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.712036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.712036][ T7704] [ 6024.950964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6024.951533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6024.951533][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.951533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.951533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.951533][ T7704] ip6_route_add+0x1c/0x140 [ 6024.951533][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6024.951533][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6024.951533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.951533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.951533][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.951533][ T7704] netlink_unicast+0x449/0x710 [ 6024.951533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.951533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.951533][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.951533][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.951533][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.951533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.951533][ T7704] [ 6024.954357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6024.954357][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.954357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.954357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.954357][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6024.954357][ T7704] ipv6_add_addr+0x411/0x2000 [ 6024.954357][ T7704] inet6_addr_add+0x30e/0xa40 [ 6024.954357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.954357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.954357][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.954357][ T7704] netlink_unicast+0x449/0x710 [ 6024.954357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.954357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.954357][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.954357][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.954357][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.954357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.954357][ T7704] [ 6024.956611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6024.956611][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.956611][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.956611][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.956611][ T7704] ip6_route_add+0x1c/0x140 [ 6024.956611][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6024.956611][ T7704] addrconf_add_dev+0xe2/0x170 [ 6024.956611][ T7704] inet6_addr_add+0x12f/0xa40 [ 6024.956611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.956611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.956611][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.956611][ T7704] netlink_unicast+0x449/0x710 [ 6024.956611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.956611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.956611][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.956611][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.956611][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.956611][ T7704] [ 6024.960400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6024.960400][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6024.960400][ T7704] ipv6_find_idev+0x102/0x170 [ 6024.960400][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6024.960400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.960400][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.960400][ T7704] netlink_unicast+0x449/0x710 [ 6024.960400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.960400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.960400][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.960400][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.960400][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.960400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.960400][ T7704] [ 6024.962160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6024.962160][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6024.962160][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6024.962160][ T7704] ipv6_find_idev+0x102/0x170 [ 6024.962160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6024.962160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.962160][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.962160][ T7704] netlink_unicast+0x449/0x710 [ 6024.962160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.962160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.962160][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.962160][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.962160][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.962160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.962160][ T7704] [ 6035.206957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6035.207465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6035.207465][ T7704] netdev_get_by_index+0x5e/0x80 [ 6035.207465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6035.207465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6035.207465][ T7704] ip6_route_add+0x1c/0x140 [ 6035.207465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6035.207465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6035.207465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.207465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.207465][ T7704] netlink_rcv_skb+0x130/0x360 [ 6035.207465][ T7704] netlink_unicast+0x449/0x710 [ 6035.207465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6035.207465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6035.207465][ T7704] ___sys_sendmsg+0xee/0x170 [ 6035.207465][ T7704] __sys_sendmsg+0xcd/0x170 [ 6035.207465][ T7704] do_syscall_64+0xc6/0x1e0 [ 6035.207465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.207465][ T7704] [ 6035.209785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6035.209785][ T7704] netdev_get_by_index+0x5e/0x80 [ 6035.209785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6035.209785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6035.209785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6035.209785][ T7704] ipv6_add_addr+0x411/0x2000 [ 6035.209785][ T7704] inet6_addr_add+0x30e/0xa40 [ 6035.209785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.209785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.209785][ T7704] netlink_rcv_skb+0x130/0x360 [ 6035.209785][ T7704] netlink_unicast+0x449/0x710 [ 6035.209785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6035.209785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6035.209785][ T7704] ___sys_sendmsg+0xee/0x170 [ 6035.209785][ T7704] __sys_sendmsg+0xcd/0x170 [ 6035.209785][ T7704] do_syscall_64+0xc6/0x1e0 [ 6035.209785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.209785][ T7704] [ 6035.212014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6035.212014][ T7704] netdev_get_by_index+0x5e/0x80 [ 6035.212014][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6035.212014][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6035.212014][ T7704] ip6_route_add+0x1c/0x140 [ 6035.212014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6035.212014][ T7704] addrconf_add_dev+0xe2/0x170 [ 6035.212014][ T7704] inet6_addr_add+0x12f/0xa40 [ 6035.212014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.212014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.212014][ T7704] netlink_rcv_skb+0x130/0x360 [ 6035.212014][ T7704] netlink_unicast+0x449/0x710 [ 6035.212014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6035.212014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6035.212014][ T7704] ___sys_sendmsg+0xee/0x170 [ 6035.212014][ T7704] __sys_sendmsg+0xcd/0x170 [ 6035.212014][ T7704] do_syscall_64+0xc6/0x1e0 [ 6035.212014][ T7704] [ 6035.214197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6035.214197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6035.214197][ T7704] ipv6_find_idev+0x102/0x170 [ 6035.214197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6035.214197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.214197][ T7704] netlink_rcv_skb+0x130/0x360 [ 6035.214197][ T7704] netlink_unicast+0x449/0x710 [ 6035.214197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6035.214197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6035.214197][ T7704] ___sys_sendmsg+0xee/0x170 [ 6035.214197][ T7704] __sys_sendmsg+0xcd/0x170 [ 6035.214197][ T7704] do_syscall_64+0xc6/0x1e0 [ 6035.214197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.214197][ T7704] [ 6035.215902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6035.215902][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6035.215902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6035.215902][ T7704] ipv6_find_idev+0x102/0x170 [ 6035.215902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6035.215902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.215902][ T7704] netlink_rcv_skb+0x130/0x360 [ 6035.215902][ T7704] netlink_unicast+0x449/0x710 [ 6035.215902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6035.215902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6035.215902][ T7704] ___sys_sendmsg+0xee/0x170 [ 6035.215902][ T7704] __sys_sendmsg+0xcd/0x170 [ 6035.215902][ T7704] do_syscall_64+0xc6/0x1e0 [ 6035.215902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.215902][ T7704] [ 6045.454963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6045.455489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6045.455489][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.455489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.455489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.455489][ T7704] ip6_route_add+0x1c/0x140 [ 6045.455489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6045.455489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6045.455489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.455489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.455489][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.455489][ T7704] netlink_unicast+0x449/0x710 [ 6045.455489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.455489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.455489][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.455489][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.455489][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.455489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.455489][ T7704] [ 6045.457753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6045.457753][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.457753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.457753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.457753][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6045.457753][ T7704] ipv6_add_addr+0x411/0x2000 [ 6045.457753][ T7704] inet6_addr_add+0x30e/0xa40 [ 6045.457753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.457753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.457753][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.457753][ T7704] netlink_unicast+0x449/0x710 [ 6045.457753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.457753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.457753][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.457753][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.457753][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.457753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.457753][ T7704] [ 6045.460002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6045.460002][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.460002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.460002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.460002][ T7704] ip6_route_add+0x1c/0x140 [ 6045.460002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6045.460002][ T7704] addrconf_add_dev+0xe2/0x170 [ 6045.460002][ T7704] inet6_addr_add+0x12f/0xa40 [ 6045.460002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.460002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.460002][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.460002][ T7704] netlink_unicast+0x449/0x710 [ 6045.460002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.460002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.460002][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.460002][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.460002][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.460002][ T7704] [ 6045.462197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6045.462197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6045.462197][ T7704] ipv6_find_idev+0x102/0x170 [ 6045.462197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6045.462197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.462197][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.462197][ T7704] netlink_unicast+0x449/0x710 [ 6045.462197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.462197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.462197][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.462197][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.462197][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.462197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.462197][ T7704] [ 6045.463935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6045.463935][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6045.463935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6045.463935][ T7704] ipv6_find_idev+0x102/0x170 [ 6045.463935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6045.463935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.463935][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.463935][ T7704] netlink_unicast+0x449/0x710 [ 6045.463935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.463935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.463935][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.463935][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.463935][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.463935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.463935][ T7704] [ 6055.702968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6055.703473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6055.703473][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.703473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.703473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.703473][ T7704] ip6_route_add+0x1c/0x140 [ 6055.703473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6055.703473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6055.703473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.703473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.703473][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.703473][ T7704] netlink_unicast+0x449/0x710 [ 6055.703473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.703473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.703473][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.703473][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.703473][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.703473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.703473][ T7704] [ 6055.705725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6055.705725][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.705725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.705725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.705725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6055.705725][ T7704] ipv6_add_addr+0x411/0x2000 [ 6055.705725][ T7704] inet6_addr_add+0x30e/0xa40 [ 6055.705725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.705725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.705725][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.705725][ T7704] netlink_unicast+0x449/0x710 [ 6055.705725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.705725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.705725][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.705725][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.705725][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.705725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.705725][ T7704] [ 6055.708501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6055.708501][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.708501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.708501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.708501][ T7704] ip6_route_add+0x1c/0x140 [ 6055.708501][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6055.708501][ T7704] addrconf_add_dev+0xe2/0x170 [ 6055.708501][ T7704] inet6_addr_add+0x12f/0xa40 [ 6055.708501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.708501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.708501][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.708501][ T7704] netlink_unicast+0x449/0x710 [ 6055.708501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.708501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.708501][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.708501][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.708501][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.708501][ T7704] [ 6055.710710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6055.710710][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6055.710710][ T7704] ipv6_find_idev+0x102/0x170 [ 6055.710710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6055.710710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.710710][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.710710][ T7704] netlink_unicast+0x449/0x710 [ 6055.710710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.710710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.710710][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.710710][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.710710][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.710710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.710710][ T7704] [ 6055.712451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6055.712451][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6055.712451][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6055.712451][ T7704] ipv6_find_idev+0x102/0x170 [ 6055.712451][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6055.712451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.712451][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.712451][ T7704] netlink_unicast+0x449/0x710 [ 6055.712451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.712451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.712451][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.712451][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.712451][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.712451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.712451][ T7704] [ 6065.758880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6065.759386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6065.759386][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.759386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.759386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.759386][ T7704] ip6_route_add+0x1c/0x140 [ 6065.759386][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6065.759386][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6065.759386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.759386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.759386][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.759386][ T7704] netlink_unicast+0x449/0x710 [ 6065.759386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.759386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.759386][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.759386][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.759386][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.759386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.759386][ T7704] [ 6065.761672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6065.761672][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.761672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.761672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.761672][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6065.761672][ T7704] ipv6_add_addr+0x411/0x2000 [ 6065.761672][ T7704] inet6_addr_add+0x30e/0xa40 [ 6065.761672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.761672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.761672][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.761672][ T7704] netlink_unicast+0x449/0x710 [ 6065.761672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.761672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.761672][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.761672][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.761672][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.761672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.761672][ T7704] [ 6065.763920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6065.763920][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.763920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.763920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.763920][ T7704] ip6_route_add+0x1c/0x140 [ 6065.763920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6065.763920][ T7704] addrconf_add_dev+0xe2/0x170 [ 6065.763920][ T7704] inet6_addr_add+0x12f/0xa40 [ 6065.763920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.763920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.763920][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.763920][ T7704] netlink_unicast+0x449/0x710 [ 6065.763920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.763920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.763920][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.763920][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.763920][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.763920][ T7704] [ 6065.766141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6065.766141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6065.766141][ T7704] ipv6_find_idev+0x102/0x170 [ 6065.766141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6065.766141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.766141][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.766141][ T7704] netlink_unicast+0x449/0x710 [ 6065.766141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.766141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.766141][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.766141][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.766141][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.766141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.766141][ T7704] [ 6065.767869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6065.767869][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6065.767869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6065.767869][ T7704] ipv6_find_idev+0x102/0x170 [ 6065.767869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6065.767869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.767869][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.767869][ T7704] netlink_unicast+0x449/0x710 [ 6065.767869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.767869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.767869][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.767869][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.767869][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.767869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.767869][ T7704] [ 6076.022874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6076.023412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6076.023412][ T7704] netdev_get_by_index+0x5e/0x80 [ 6076.023412][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6076.023412][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6076.023412][ T7704] ip6_route_add+0x1c/0x140 [ 6076.023412][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6076.023412][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6076.023412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.023412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.023412][ T7704] netlink_rcv_skb+0x130/0x360 [ 6076.023412][ T7704] netlink_unicast+0x449/0x710 [ 6076.023412][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6076.023412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6076.023412][ T7704] ___sys_sendmsg+0xee/0x170 [ 6076.023412][ T7704] __sys_sendmsg+0xcd/0x170 [ 6076.023412][ T7704] do_syscall_64+0xc6/0x1e0 [ 6076.023412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.023412][ T7704] [ 6076.025712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6076.025712][ T7704] netdev_get_by_index+0x5e/0x80 [ 6076.025712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6076.025712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6076.025712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6076.025712][ T7704] ipv6_add_addr+0x411/0x2000 [ 6076.025712][ T7704] inet6_addr_add+0x30e/0xa40 [ 6076.025712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.025712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.025712][ T7704] netlink_rcv_skb+0x130/0x360 [ 6076.025712][ T7704] netlink_unicast+0x449/0x710 [ 6076.025712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6076.025712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6076.025712][ T7704] ___sys_sendmsg+0xee/0x170 [ 6076.025712][ T7704] __sys_sendmsg+0xcd/0x170 [ 6076.025712][ T7704] do_syscall_64+0xc6/0x1e0 [ 6076.025712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.025712][ T7704] [ 6076.027965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6076.027965][ T7704] netdev_get_by_index+0x5e/0x80 [ 6076.027965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6076.027965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6076.027965][ T7704] ip6_route_add+0x1c/0x140 [ 6076.027965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6076.027965][ T7704] addrconf_add_dev+0xe2/0x170 [ 6076.027965][ T7704] inet6_addr_add+0x12f/0xa40 [ 6076.027965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.027965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.027965][ T7704] netlink_rcv_skb+0x130/0x360 [ 6076.027965][ T7704] netlink_unicast+0x449/0x710 [ 6076.027965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6076.027965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6076.027965][ T7704] ___sys_sendmsg+0xee/0x170 [ 6076.027965][ T7704] __sys_sendmsg+0xcd/0x170 [ 6076.027965][ T7704] do_syscall_64+0xc6/0x1e0 [ 6076.027965][ T7704] [ 6076.030169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6076.030169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6076.030169][ T7704] ipv6_find_idev+0x102/0x170 [ 6076.030169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6076.030169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.030169][ T7704] netlink_rcv_skb+0x130/0x360 [ 6076.030169][ T7704] netlink_unicast+0x449/0x710 [ 6076.030169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6076.030169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6076.030169][ T7704] ___sys_sendmsg+0xee/0x170 [ 6076.030169][ T7704] __sys_sendmsg+0xcd/0x170 [ 6076.030169][ T7704] do_syscall_64+0xc6/0x1e0 [ 6076.030169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.030169][ T7704] [ 6076.031894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6076.031894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6076.031894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6076.031894][ T7704] ipv6_find_idev+0x102/0x170 [ 6076.031894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6076.031894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.031894][ T7704] netlink_rcv_skb+0x130/0x360 [ 6076.031894][ T7704] netlink_unicast+0x449/0x710 [ 6076.031894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6076.031894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6076.031894][ T7704] ___sys_sendmsg+0xee/0x170 [ 6076.031894][ T7704] __sys_sendmsg+0xcd/0x170 [ 6076.031894][ T7704] do_syscall_64+0xc6/0x1e0 [ 6076.031894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.031894][ T7704] [ 6086.046864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6086.047395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6086.047395][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.047395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.047395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.047395][ T7704] ip6_route_add+0x1c/0x140 [ 6086.047395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6086.047395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6086.047395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.047395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.047395][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.047395][ T7704] netlink_unicast+0x449/0x710 [ 6086.047395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.047395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.047395][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.047395][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.047395][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.047395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.047395][ T7704] [ 6086.049646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6086.049646][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.049646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.049646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.049646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6086.049646][ T7704] ipv6_add_addr+0x411/0x2000 [ 6086.049646][ T7704] inet6_addr_add+0x30e/0xa40 [ 6086.049646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.049646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.049646][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.049646][ T7704] netlink_unicast+0x449/0x710 [ 6086.049646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.049646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.049646][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.049646][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.049646][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.049646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.049646][ T7704] [ 6086.051907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6086.051907][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.051907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.051907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.051907][ T7704] ip6_route_add+0x1c/0x140 [ 6086.051907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6086.051907][ T7704] addrconf_add_dev+0xe2/0x170 [ 6086.051907][ T7704] inet6_addr_add+0x12f/0xa40 [ 6086.051907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.051907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.051907][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.051907][ T7704] netlink_unicast+0x449/0x710 [ 6086.051907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.051907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.051907][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.051907][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.051907][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.051907][ T7704] [ 6086.054101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6086.054101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6086.054101][ T7704] ipv6_find_idev+0x102/0x170 [ 6086.054101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.054101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.054101][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.054101][ T7704] netlink_unicast+0x449/0x710 [ 6086.054101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.054101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.054101][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.054101][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.054101][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.054101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.054101][ T7704] [ 6086.055803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6086.055803][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6086.055803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6086.055803][ T7704] ipv6_find_idev+0x102/0x170 [ 6086.055803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.055803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.055803][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.055803][ T7704] netlink_unicast+0x449/0x710 [ 6086.055803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.055803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.055803][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.055803][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.055803][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.055803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.055803][ T7704] [ 6096.294864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6096.295366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6096.295366][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.295366][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.295366][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.295366][ T7704] ip6_route_add+0x1c/0x140 [ 6096.295366][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6096.295366][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6096.295366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.295366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.295366][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.295366][ T7704] netlink_unicast+0x449/0x710 [ 6096.295366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.295366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.295366][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.295366][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.295366][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.295366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.295366][ T7704] [ 6096.297646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6096.297646][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.297646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.297646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.297646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6096.297646][ T7704] ipv6_add_addr+0x411/0x2000 [ 6096.297646][ T7704] inet6_addr_add+0x30e/0xa40 [ 6096.297646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.297646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.297646][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.297646][ T7704] netlink_unicast+0x449/0x710 [ 6096.297646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.297646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.297646][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.297646][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.297646][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.297646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.297646][ T7704] [ 6096.299872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6096.299872][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.299872][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.299872][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.299872][ T7704] ip6_route_add+0x1c/0x140 [ 6096.299872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6096.299872][ T7704] addrconf_add_dev+0xe2/0x170 [ 6096.299872][ T7704] inet6_addr_add+0x12f/0xa40 [ 6096.299872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.299872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.299872][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.299872][ T7704] netlink_unicast+0x449/0x710 [ 6096.299872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.299872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.299872][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.299872][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.299872][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.299872][ T7704] [ 6096.302068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6096.302068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6096.302068][ T7704] ipv6_find_idev+0x102/0x170 [ 6096.302068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6096.302068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.302068][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.302068][ T7704] netlink_unicast+0x449/0x710 [ 6096.302068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.302068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.302068][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.302068][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.302068][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.302068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.302068][ T7704] [ 6096.303802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6096.303802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6096.303802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6096.303802][ T7704] ipv6_find_idev+0x102/0x170 [ 6096.303802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6096.303802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.303802][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.303802][ T7704] netlink_unicast+0x449/0x710 [ 6096.303802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.303802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.303802][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.303802][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.303802][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.303802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.303802][ T7704] [ 6106.310957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6106.311402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6106.311402][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.311402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.311402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.311402][ T7704] ip6_route_add+0x1c/0x140 [ 6106.311402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6106.311402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6106.311402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.311402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.311402][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.311402][ T7704] netlink_unicast+0x449/0x710 [ 6106.311402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.311402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.311402][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.311402][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.311402][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.311402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.311402][ T7704] [ 6106.313703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6106.313703][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.313703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.313703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.313703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6106.313703][ T7704] ipv6_add_addr+0x411/0x2000 [ 6106.313703][ T7704] inet6_addr_add+0x30e/0xa40 [ 6106.313703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.313703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.313703][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.313703][ T7704] netlink_unicast+0x449/0x710 [ 6106.313703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.313703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.313703][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.313703][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.313703][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.313703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.313703][ T7704] [ 6106.315951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6106.315951][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.315951][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.315951][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.315951][ T7704] ip6_route_add+0x1c/0x140 [ 6106.315951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6106.315951][ T7704] addrconf_add_dev+0xe2/0x170 [ 6106.315951][ T7704] inet6_addr_add+0x12f/0xa40 [ 6106.315951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.315951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.315951][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.315951][ T7704] netlink_unicast+0x449/0x710 [ 6106.315951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.315951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.315951][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.315951][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.315951][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.315951][ T7704] [ 6106.318152][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6106.318152][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6106.318152][ T7704] ipv6_find_idev+0x102/0x170 [ 6106.318152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6106.318152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.318152][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.318152][ T7704] netlink_unicast+0x449/0x710 [ 6106.318152][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.318152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.318152][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.318152][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.318152][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.318152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.318152][ T7704] [ 6106.319872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6106.319872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6106.319872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6106.319872][ T7704] ipv6_find_idev+0x102/0x170 [ 6106.319872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6106.319872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.319872][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.319872][ T7704] netlink_unicast+0x449/0x710 [ 6106.319872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.319872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.319872][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.319872][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.319872][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.319872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.319872][ T7704] [ 6116.558941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6116.559456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6116.559456][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.559456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.559456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.559456][ T7704] ip6_route_add+0x1c/0x140 [ 6116.559456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6116.559456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6116.559456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.559456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.559456][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.559456][ T7704] netlink_unicast+0x449/0x710 [ 6116.559456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.559456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.559456][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.559456][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.559456][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.559456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.559456][ T7704] [ 6116.561727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6116.561727][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.561727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.561727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.561727][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6116.561727][ T7704] ipv6_add_addr+0x411/0x2000 [ 6116.561727][ T7704] inet6_addr_add+0x30e/0xa40 [ 6116.561727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.561727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.561727][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.561727][ T7704] netlink_unicast+0x449/0x710 [ 6116.561727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.561727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.561727][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.561727][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.561727][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.561727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.561727][ T7704] [ 6116.563963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6116.563963][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.563963][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.563963][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.563963][ T7704] ip6_route_add+0x1c/0x140 [ 6116.563963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6116.563963][ T7704] addrconf_add_dev+0xe2/0x170 [ 6116.563963][ T7704] inet6_addr_add+0x12f/0xa40 [ 6116.563963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.563963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.563963][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.563963][ T7704] netlink_unicast+0x449/0x710 [ 6116.563963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.563963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.563963][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.563963][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.563963][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.563963][ T7704] [ 6116.566161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6116.566161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6116.566161][ T7704] ipv6_find_idev+0x102/0x170 [ 6116.566161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6116.566161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.566161][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.566161][ T7704] netlink_unicast+0x449/0x710 [ 6116.566161][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.566161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.566161][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.566161][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.566161][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.566161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.566161][ T7704] [ 6116.567876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6116.567876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6116.567876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6116.567876][ T7704] ipv6_find_idev+0x102/0x170 [ 6116.567876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6116.567876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.567876][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.567876][ T7704] netlink_unicast+0x449/0x710 [ 6116.567876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.567876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.567876][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.567876][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.567876][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.567876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.567876][ T7704] [ 6126.806889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6126.807394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6126.807394][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.807394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.807394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.807394][ T7704] ip6_route_add+0x1c/0x140 [ 6126.807394][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6126.807394][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6126.807394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.807394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.807394][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.807394][ T7704] netlink_unicast+0x449/0x710 [ 6126.807394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.807394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.807394][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.807394][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.807394][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.807394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.807394][ T7704] [ 6126.809682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6126.809682][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.809682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.809682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.809682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6126.809682][ T7704] ipv6_add_addr+0x411/0x2000 [ 6126.809682][ T7704] inet6_addr_add+0x30e/0xa40 [ 6126.809682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.809682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.809682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.809682][ T7704] netlink_unicast+0x449/0x710 [ 6126.809682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.809682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.809682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.809682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.809682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.809682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.809682][ T7704] [ 6126.811930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6126.811930][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.811930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.811930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.811930][ T7704] ip6_route_add+0x1c/0x140 [ 6126.811930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6126.811930][ T7704] addrconf_add_dev+0xe2/0x170 [ 6126.811930][ T7704] inet6_addr_add+0x12f/0xa40 [ 6126.811930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.811930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.811930][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.811930][ T7704] netlink_unicast+0x449/0x710 [ 6126.811930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.811930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.811930][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.811930][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.811930][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.811930][ T7704] [ 6126.814132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6126.814132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6126.814132][ T7704] ipv6_find_idev+0x102/0x170 [ 6126.814132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6126.814132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.814132][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.814132][ T7704] netlink_unicast+0x449/0x710 [ 6126.814132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.814132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.814132][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.814132][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.814132][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.814132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.814132][ T7704] [ 6126.815850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6126.815850][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6126.815850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6126.815850][ T7704] ipv6_find_idev+0x102/0x170 [ 6126.815850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6126.815850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.815850][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.815850][ T7704] netlink_unicast+0x449/0x710 [ 6126.815850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.815850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.815850][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.815850][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.815850][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.815850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.815850][ T7704] [ 6137.054935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6137.055433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6137.055433][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.055433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.055433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.055433][ T7704] ip6_route_add+0x1c/0x140 [ 6137.055433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6137.055433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6137.055433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.055433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.055433][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.055433][ T7704] netlink_unicast+0x449/0x710 [ 6137.055433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.055433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.055433][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.055433][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.055433][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.055433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.055433][ T7704] [ 6137.057695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6137.057695][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.057695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.057695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.057695][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6137.057695][ T7704] ipv6_add_addr+0x411/0x2000 [ 6137.057695][ T7704] inet6_addr_add+0x30e/0xa40 [ 6137.057695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.057695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.057695][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.057695][ T7704] netlink_unicast+0x449/0x710 [ 6137.057695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.057695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.057695][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.057695][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.057695][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.057695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.057695][ T7704] [ 6137.059924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6137.059924][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.059924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.059924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.059924][ T7704] ip6_route_add+0x1c/0x140 [ 6137.059924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6137.059924][ T7704] addrconf_add_dev+0xe2/0x170 [ 6137.059924][ T7704] inet6_addr_add+0x12f/0xa40 [ 6137.059924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.059924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.059924][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.059924][ T7704] netlink_unicast+0x449/0x710 [ 6137.059924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.059924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.059924][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.059924][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.059924][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.059924][ T7704] [ 6137.062121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6137.062121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6137.062121][ T7704] ipv6_find_idev+0x102/0x170 [ 6137.062121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6137.062121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.062121][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.062121][ T7704] netlink_unicast+0x449/0x710 [ 6137.062121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.062121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.062121][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.062121][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.062121][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.062121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.062121][ T7704] [ 6137.063844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6137.063844][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6137.063844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6137.063844][ T7704] ipv6_find_idev+0x102/0x170 [ 6137.063844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6137.063844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.063844][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.063844][ T7704] netlink_unicast+0x449/0x710 [ 6137.063844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.063844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.063844][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.063844][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.063844][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.063844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.063844][ T7704] [ 6147.302976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6147.303505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6147.303505][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.303505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.303505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.303505][ T7704] ip6_route_add+0x1c/0x140 [ 6147.303505][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6147.303505][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6147.303505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.303505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.303505][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.303505][ T7704] netlink_unicast+0x449/0x710 [ 6147.303505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.303505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.303505][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.303505][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.303505][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.303505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.303505][ T7704] [ 6147.305746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6147.305746][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.305746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.305746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.305746][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6147.305746][ T7704] ipv6_add_addr+0x411/0x2000 [ 6147.305746][ T7704] inet6_addr_add+0x30e/0xa40 [ 6147.305746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.305746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.305746][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.305746][ T7704] netlink_unicast+0x449/0x710 [ 6147.305746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.305746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.305746][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.305746][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.305746][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.305746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.305746][ T7704] [ 6147.307979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6147.307979][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.307979][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.307979][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.307979][ T7704] ip6_route_add+0x1c/0x140 [ 6147.307979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6147.307979][ T7704] addrconf_add_dev+0xe2/0x170 [ 6147.307979][ T7704] inet6_addr_add+0x12f/0xa40 [ 6147.307979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.307979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.307979][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.307979][ T7704] netlink_unicast+0x449/0x710 [ 6147.307979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.307979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.307979][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.307979][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.307979][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.307979][ T7704] [ 6147.310159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6147.310159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6147.310159][ T7704] ipv6_find_idev+0x102/0x170 [ 6147.310159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6147.310159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.310159][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.310159][ T7704] netlink_unicast+0x449/0x710 [ 6147.310159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.310159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.310159][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.310159][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.310159][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.310159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.310159][ T7704] [ 6147.311876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6147.311876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6147.311876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6147.311876][ T7704] ipv6_find_idev+0x102/0x170 [ 6147.311876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6147.311876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.311876][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.311876][ T7704] netlink_unicast+0x449/0x710 [ 6147.311876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.311876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.311876][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.311876][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.311876][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.311876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.311876][ T7704] [ 6157.446940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6157.447450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6157.447450][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.447450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.447450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.447450][ T7704] ip6_route_add+0x1c/0x140 [ 6157.447450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6157.447450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6157.447450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.447450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.447450][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.447450][ T7704] netlink_unicast+0x449/0x710 [ 6157.447450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.447450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.447450][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.447450][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.447450][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.447450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.447450][ T7704] [ 6157.449813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6157.449813][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.449813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.449813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.449813][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6157.449813][ T7704] ipv6_add_addr+0x411/0x2000 [ 6157.449813][ T7704] inet6_addr_add+0x30e/0xa40 [ 6157.449813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.449813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.449813][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.449813][ T7704] netlink_unicast+0x449/0x710 [ 6157.449813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.449813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.449813][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.449813][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.449813][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.449813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.449813][ T7704] [ 6157.452044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6157.452044][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.452044][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.452044][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.452044][ T7704] ip6_route_add+0x1c/0x140 [ 6157.452044][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6157.452044][ T7704] addrconf_add_dev+0xe2/0x170 [ 6157.452044][ T7704] inet6_addr_add+0x12f/0xa40 [ 6157.452044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.452044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.452044][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.452044][ T7704] netlink_unicast+0x449/0x710 [ 6157.452044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.452044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.452044][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.452044][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.452044][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.452044][ T7704] [ 6157.454229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6157.454229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6157.454229][ T7704] ipv6_find_idev+0x102/0x170 [ 6157.454229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6157.454229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.454229][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.454229][ T7704] netlink_unicast+0x449/0x710 [ 6157.454229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.454229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.454229][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.454229][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.454229][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.454229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.454229][ T7704] [ 6157.455940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6157.455940][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6157.455940][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6157.455940][ T7704] ipv6_find_idev+0x102/0x170 [ 6157.455940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6157.455940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.455940][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.455940][ T7704] netlink_unicast+0x449/0x710 [ 6157.455940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.455940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.455940][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.455940][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.455940][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.455940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.455940][ T7704] [ 6167.710954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6167.711458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6167.711458][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.711458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.711458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.711458][ T7704] ip6_route_add+0x1c/0x140 [ 6167.711458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6167.711458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6167.711458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.711458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.711458][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.711458][ T7704] netlink_unicast+0x449/0x710 [ 6167.711458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.711458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.711458][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.711458][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.711458][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.711458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.711458][ T7704] [ 6167.713708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6167.713708][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.713708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.713708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.713708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6167.713708][ T7704] ipv6_add_addr+0x411/0x2000 [ 6167.713708][ T7704] inet6_addr_add+0x30e/0xa40 [ 6167.713708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.713708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.713708][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.713708][ T7704] netlink_unicast+0x449/0x710 [ 6167.713708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.713708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.713708][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.713708][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.713708][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.713708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.713708][ T7704] [ 6167.715948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6167.715948][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.715948][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.715948][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.715948][ T7704] ip6_route_add+0x1c/0x140 [ 6167.715948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6167.715948][ T7704] addrconf_add_dev+0xe2/0x170 [ 6167.715948][ T7704] inet6_addr_add+0x12f/0xa40 [ 6167.715948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.715948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.715948][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.715948][ T7704] netlink_unicast+0x449/0x710 [ 6167.715948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.715948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.715948][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.715948][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.715948][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.715948][ T7704] [ 6167.718132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6167.718132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6167.718132][ T7704] ipv6_find_idev+0x102/0x170 [ 6167.718132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6167.718132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.718132][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.718132][ T7704] netlink_unicast+0x449/0x710 [ 6167.718132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.718132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.718132][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.718132][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.718132][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.718132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.718132][ T7704] [ 6167.719841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6167.719841][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6167.719841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6167.719841][ T7704] ipv6_find_idev+0x102/0x170 [ 6167.719841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6167.719841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.719841][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.719841][ T7704] netlink_unicast+0x449/0x710 [ 6167.719841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.719841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.719841][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.719841][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.719841][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.719841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.719841][ T7704] [ 6177.974962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6177.975468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6177.975468][ T7704] netdev_get_by_index+0x5e/0x80 [ 6177.975468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6177.975468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6177.975468][ T7704] ip6_route_add+0x1c/0x140 [ 6177.975468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6177.975468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6177.975468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6177.975468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6177.975468][ T7704] netlink_rcv_skb+0x130/0x360 [ 6177.975468][ T7704] netlink_unicast+0x449/0x710 [ 6177.975468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6177.975468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6177.975468][ T7704] ___sys_sendmsg+0xee/0x170 [ 6177.975468][ T7704] __sys_sendmsg+0xcd/0x170 [ 6177.975468][ T7704] do_syscall_64+0xc6/0x1e0 [ 6177.975468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6177.975468][ T7704] [ 6177.977721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6177.977721][ T7704] netdev_get_by_index+0x5e/0x80 [ 6177.977721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6177.977721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6177.977721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6177.977721][ T7704] ipv6_add_addr+0x411/0x2000 [ 6177.977721][ T7704] inet6_addr_add+0x30e/0xa40 [ 6177.977721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6177.977721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6177.977721][ T7704] netlink_rcv_skb+0x130/0x360 [ 6177.977721][ T7704] netlink_unicast+0x449/0x710 [ 6177.977721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6177.977721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6177.977721][ T7704] ___sys_sendmsg+0xee/0x170 [ 6177.977721][ T7704] __sys_sendmsg+0xcd/0x170 [ 6177.977721][ T7704] do_syscall_64+0xc6/0x1e0 [ 6177.977721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6177.977721][ T7704] [ 6177.979948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6177.979948][ T7704] netdev_get_by_index+0x5e/0x80 [ 6177.979948][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6177.979948][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6177.979948][ T7704] ip6_route_add+0x1c/0x140 [ 6177.979948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6177.979948][ T7704] addrconf_add_dev+0xe2/0x170 [ 6177.979948][ T7704] inet6_addr_add+0x12f/0xa40 [ 6177.979948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6177.979948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6177.979948][ T7704] netlink_rcv_skb+0x130/0x360 [ 6177.979948][ T7704] netlink_unicast+0x449/0x710 [ 6177.979948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6177.979948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6177.979948][ T7704] ___sys_sendmsg+0xee/0x170 [ 6177.979948][ T7704] __sys_sendmsg+0xcd/0x170 [ 6177.979948][ T7704] do_syscall_64+0xc6/0x1e0 [ 6177.979948][ T7704] [ 6177.982140][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6177.982140][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6177.982140][ T7704] ipv6_find_idev+0x102/0x170 [ 6177.982140][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6177.982140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6177.982140][ T7704] netlink_rcv_skb+0x130/0x360 [ 6177.982140][ T7704] netlink_unicast+0x449/0x710 [ 6177.982140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6177.982140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6177.982140][ T7704] ___sys_sendmsg+0xee/0x170 [ 6177.982140][ T7704] __sys_sendmsg+0xcd/0x170 [ 6177.982140][ T7704] do_syscall_64+0xc6/0x1e0 [ 6177.982140][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6177.982140][ T7704] [ 6177.983858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6177.983858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6177.983858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6177.983858][ T7704] ipv6_find_idev+0x102/0x170 [ 6177.983858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6177.983858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6177.983858][ T7704] netlink_rcv_skb+0x130/0x360 [ 6177.983858][ T7704] netlink_unicast+0x449/0x710 [ 6177.983858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6177.983858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6177.983858][ T7704] ___sys_sendmsg+0xee/0x170 [ 6177.983858][ T7704] __sys_sendmsg+0xcd/0x170 [ 6177.983858][ T7704] do_syscall_64+0xc6/0x1e0 [ 6177.983858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6177.983858][ T7704] [ 6188.230873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6188.231395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6188.231395][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.231395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.231395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.231395][ T7704] ip6_route_add+0x1c/0x140 [ 6188.231395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6188.231395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6188.231395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.231395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.231395][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.231395][ T7704] netlink_unicast+0x449/0x710 [ 6188.231395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.231395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.231395][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.231395][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.231395][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.231395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.231395][ T7704] [ 6188.233644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6188.233644][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.233644][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.233644][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.233644][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6188.233644][ T7704] ipv6_add_addr+0x411/0x2000 [ 6188.233644][ T7704] inet6_addr_add+0x30e/0xa40 [ 6188.233644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.233644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.233644][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.233644][ T7704] netlink_unicast+0x449/0x710 [ 6188.233644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.233644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.233644][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.233644][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.233644][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.233644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.233644][ T7704] [ 6188.235881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6188.235881][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.235881][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.235881][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.235881][ T7704] ip6_route_add+0x1c/0x140 [ 6188.235881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6188.235881][ T7704] addrconf_add_dev+0xe2/0x170 [ 6188.235881][ T7704] inet6_addr_add+0x12f/0xa40 [ 6188.235881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.235881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.235881][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.235881][ T7704] netlink_unicast+0x449/0x710 [ 6188.235881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.235881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.235881][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.235881][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.235881][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.235881][ T7704] [ 6188.238071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6188.238071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6188.238071][ T7704] ipv6_find_idev+0x102/0x170 [ 6188.238071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6188.238071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.238071][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.238071][ T7704] netlink_unicast+0x449/0x710 [ 6188.238071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.238071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.238071][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.238071][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.238071][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.238071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.238071][ T7704] [ 6188.239827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6188.239827][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6188.239827][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6188.239827][ T7704] ipv6_find_idev+0x102/0x170 [ 6188.239827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6188.239827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.239827][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.239827][ T7704] netlink_unicast+0x449/0x710 [ 6188.239827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.239827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.239827][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.239827][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.239827][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.239827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.239827][ T7704] [ 6198.494934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6198.495441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6198.495441][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.495441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.495441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.495441][ T7704] ip6_route_add+0x1c/0x140 [ 6198.495441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6198.495441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6198.495441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.495441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.495441][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.495441][ T7704] netlink_unicast+0x449/0x710 [ 6198.495441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.495441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.495441][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.495441][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.495441][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.495441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.495441][ T7704] [ 6198.497694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6198.497694][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.497694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.497694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.497694][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6198.497694][ T7704] ipv6_add_addr+0x411/0x2000 [ 6198.497694][ T7704] inet6_addr_add+0x30e/0xa40 [ 6198.497694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.497694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.497694][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.497694][ T7704] netlink_unicast+0x449/0x710 [ 6198.497694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.497694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.497694][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.497694][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.497694][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.497694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.497694][ T7704] [ 6198.499973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6198.499973][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.499973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.499973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.499973][ T7704] ip6_route_add+0x1c/0x140 [ 6198.499973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6198.499973][ T7704] addrconf_add_dev+0xe2/0x170 [ 6198.499973][ T7704] inet6_addr_add+0x12f/0xa40 [ 6198.499973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.499973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.499973][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.499973][ T7704] netlink_unicast+0x449/0x710 [ 6198.499973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.499973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.499973][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.499973][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.499973][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.499973][ T7704] [ 6198.502179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6198.502179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6198.502179][ T7704] ipv6_find_idev+0x102/0x170 [ 6198.502179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6198.502179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.502179][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.502179][ T7704] netlink_unicast+0x449/0x710 [ 6198.502179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.502179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.502179][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.502179][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.502179][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.502179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.502179][ T7704] [ 6198.503885][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6198.503885][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6198.503885][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6198.503885][ T7704] ipv6_find_idev+0x102/0x170 [ 6198.503885][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6198.503885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.503885][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.503885][ T7704] netlink_unicast+0x449/0x710 [ 6198.503885][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.503885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.503885][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.503885][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.503885][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.503885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.503885][ T7704] [ 6208.542938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6208.543381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6208.543381][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.543381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.543381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.543381][ T7704] ip6_route_add+0x1c/0x140 [ 6208.543381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6208.543381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6208.543381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.543381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.543381][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.543381][ T7704] netlink_unicast+0x449/0x710 [ 6208.543381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.543381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.543381][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.543381][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.543381][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.543381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.543381][ T7704] [ 6208.545660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6208.545660][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.545660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.545660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.545660][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6208.545660][ T7704] ipv6_add_addr+0x411/0x2000 [ 6208.545660][ T7704] inet6_addr_add+0x30e/0xa40 [ 6208.545660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.545660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.545660][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.545660][ T7704] netlink_unicast+0x449/0x710 [ 6208.545660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.545660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.545660][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.545660][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.545660][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.545660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.545660][ T7704] [ 6208.547886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6208.547886][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.547886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.547886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.547886][ T7704] ip6_route_add+0x1c/0x140 [ 6208.547886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6208.547886][ T7704] addrconf_add_dev+0xe2/0x170 [ 6208.547886][ T7704] inet6_addr_add+0x12f/0xa40 [ 6208.547886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.547886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.547886][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.547886][ T7704] netlink_unicast+0x449/0x710 [ 6208.547886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.547886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.547886][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.547886][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.547886][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.547886][ T7704] [ 6208.550078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6208.550078][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6208.550078][ T7704] ipv6_find_idev+0x102/0x170 [ 6208.550078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6208.550078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.550078][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.550078][ T7704] netlink_unicast+0x449/0x710 [ 6208.550078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.550078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.550078][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.550078][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.550078][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.550078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.550078][ T7704] [ 6208.551800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6208.551800][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6208.551800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6208.551800][ T7704] ipv6_find_idev+0x102/0x170 [ 6208.551800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6208.551800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.551800][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.551800][ T7704] netlink_unicast+0x449/0x710 [ 6208.551800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.551800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.551800][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.551800][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.551800][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.551800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.551800][ T7704] [ 6218.774947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6218.775485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6218.775485][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.775485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.775485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.775485][ T7704] ip6_route_add+0x1c/0x140 [ 6218.775485][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6218.775485][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6218.775485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.775485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.775485][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.775485][ T7704] netlink_unicast+0x449/0x710 [ 6218.775485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.775485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.775485][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.775485][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.775485][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.775485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.775485][ T7704] [ 6218.777895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6218.777895][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.777895][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.777895][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.777895][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6218.777895][ T7704] ipv6_add_addr+0x411/0x2000 [ 6218.777895][ T7704] inet6_addr_add+0x30e/0xa40 [ 6218.777895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.777895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.777895][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.777895][ T7704] netlink_unicast+0x449/0x710 [ 6218.777895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.777895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.777895][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.777895][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.777895][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.777895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.777895][ T7704] [ 6218.780171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6218.780171][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.780171][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.780171][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.780171][ T7704] ip6_route_add+0x1c/0x140 [ 6218.780171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6218.780171][ T7704] addrconf_add_dev+0xe2/0x170 [ 6218.780171][ T7704] inet6_addr_add+0x12f/0xa40 [ 6218.780171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.780171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.780171][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.780171][ T7704] netlink_unicast+0x449/0x710 [ 6218.780171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.780171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.780171][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.780171][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.780171][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.780171][ T7704] [ 6218.782405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6218.782405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6218.782405][ T7704] ipv6_find_idev+0x102/0x170 [ 6218.782405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6218.782405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.782405][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.782405][ T7704] netlink_unicast+0x449/0x710 [ 6218.782405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.782405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.782405][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.782405][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.782405][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.782405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.782405][ T7704] [ 6218.784153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6218.784153][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6218.784153][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6218.784153][ T7704] ipv6_find_idev+0x102/0x170 [ 6218.784153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6218.784153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.784153][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.784153][ T7704] netlink_unicast+0x449/0x710 [ 6218.784153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.784153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.784153][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.784153][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.784153][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.784153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.784153][ T7704] [ 6229.022967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6229.023532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6229.023532][ T7704] netdev_get_by_index+0x5e/0x80 [ 6229.023532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6229.023532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6229.023532][ T7704] ip6_route_add+0x1c/0x140 [ 6229.023532][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6229.023532][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6229.023532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.023532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.023532][ T7704] netlink_rcv_skb+0x130/0x360 [ 6229.023532][ T7704] netlink_unicast+0x449/0x710 [ 6229.023532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6229.023532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6229.023532][ T7704] ___sys_sendmsg+0xee/0x170 [ 6229.023532][ T7704] __sys_sendmsg+0xcd/0x170 [ 6229.023532][ T7704] do_syscall_64+0xc6/0x1e0 [ 6229.023532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.023532][ T7704] [ 6229.025827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6229.025827][ T7704] netdev_get_by_index+0x5e/0x80 [ 6229.025827][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6229.025827][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6229.025827][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6229.025827][ T7704] ipv6_add_addr+0x411/0x2000 [ 6229.025827][ T7704] inet6_addr_add+0x30e/0xa40 [ 6229.025827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.025827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.025827][ T7704] netlink_rcv_skb+0x130/0x360 [ 6229.025827][ T7704] netlink_unicast+0x449/0x710 [ 6229.025827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6229.025827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6229.025827][ T7704] ___sys_sendmsg+0xee/0x170 [ 6229.025827][ T7704] __sys_sendmsg+0xcd/0x170 [ 6229.025827][ T7704] do_syscall_64+0xc6/0x1e0 [ 6229.025827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.025827][ T7704] [ 6229.028102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6229.028102][ T7704] netdev_get_by_index+0x5e/0x80 [ 6229.028102][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6229.028102][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6229.028102][ T7704] ip6_route_add+0x1c/0x140 [ 6229.028102][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6229.028102][ T7704] addrconf_add_dev+0xe2/0x170 [ 6229.028102][ T7704] inet6_addr_add+0x12f/0xa40 [ 6229.028102][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.028102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.028102][ T7704] netlink_rcv_skb+0x130/0x360 [ 6229.028102][ T7704] netlink_unicast+0x449/0x710 [ 6229.028102][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6229.028102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6229.028102][ T7704] ___sys_sendmsg+0xee/0x170 [ 6229.028102][ T7704] __sys_sendmsg+0xcd/0x170 [ 6229.028102][ T7704] do_syscall_64+0xc6/0x1e0 [ 6229.028102][ T7704] [ 6229.030350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6229.030350][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6229.030350][ T7704] ipv6_find_idev+0x102/0x170 [ 6229.030350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6229.030350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.030350][ T7704] netlink_rcv_skb+0x130/0x360 [ 6229.030350][ T7704] netlink_unicast+0x449/0x710 [ 6229.030350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6229.030350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6229.030350][ T7704] ___sys_sendmsg+0xee/0x170 [ 6229.030350][ T7704] __sys_sendmsg+0xcd/0x170 [ 6229.030350][ T7704] do_syscall_64+0xc6/0x1e0 [ 6229.030350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.030350][ T7704] [ 6229.032091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6229.032091][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6229.032091][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6229.032091][ T7704] ipv6_find_idev+0x102/0x170 [ 6229.032091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6229.032091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.032091][ T7704] netlink_rcv_skb+0x130/0x360 [ 6229.032091][ T7704] netlink_unicast+0x449/0x710 [ 6229.032091][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6229.032091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6229.032091][ T7704] ___sys_sendmsg+0xee/0x170 [ 6229.032091][ T7704] __sys_sendmsg+0xcd/0x170 [ 6229.032091][ T7704] do_syscall_64+0xc6/0x1e0 [ 6229.032091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.032091][ T7704] [ 6239.070943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6239.071409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6239.071409][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.071409][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.071409][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.071409][ T7704] ip6_route_add+0x1c/0x140 [ 6239.071409][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6239.071409][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6239.071409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.071409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.071409][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.071409][ T7704] netlink_unicast+0x449/0x710 [ 6239.071409][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.071409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.071409][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.071409][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.071409][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.071409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.071409][ T7704] [ 6239.073711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6239.073711][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.073711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.073711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.073711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6239.073711][ T7704] ipv6_add_addr+0x411/0x2000 [ 6239.073711][ T7704] inet6_addr_add+0x30e/0xa40 [ 6239.073711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.073711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.073711][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.073711][ T7704] netlink_unicast+0x449/0x710 [ 6239.073711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.073711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.073711][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.073711][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.073711][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.073711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.073711][ T7704] [ 6239.075967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6239.075967][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.075967][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.075967][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.075967][ T7704] ip6_route_add+0x1c/0x140 [ 6239.075967][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6239.075967][ T7704] addrconf_add_dev+0xe2/0x170 [ 6239.075967][ T7704] inet6_addr_add+0x12f/0xa40 [ 6239.075967][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.075967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.075967][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.075967][ T7704] netlink_unicast+0x449/0x710 [ 6239.075967][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.075967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.075967][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.075967][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.075967][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.075967][ T7704] [ 6239.078187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6239.078187][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6239.078187][ T7704] ipv6_find_idev+0x102/0x170 [ 6239.078187][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6239.078187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.078187][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.078187][ T7704] netlink_unicast+0x449/0x710 [ 6239.078187][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.078187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.078187][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.078187][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.078187][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.078187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.078187][ T7704] [ 6239.079923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6239.079923][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6239.079923][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6239.079923][ T7704] ipv6_find_idev+0x102/0x170 [ 6239.079923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6239.079923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.079923][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.079923][ T7704] netlink_unicast+0x449/0x710 [ 6239.079923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.079923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.079923][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.079923][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.079923][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.079923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.079923][ T7704] [ 6249.318940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6249.319455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6249.319455][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.319455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.319455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.319455][ T7704] ip6_route_add+0x1c/0x140 [ 6249.319455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6249.319455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6249.319455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.319455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.319455][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.319455][ T7704] netlink_unicast+0x449/0x710 [ 6249.319455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.319455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.319455][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.319455][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.319455][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.319455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.319455][ T7704] [ 6249.321764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6249.321764][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.321764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.321764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.321764][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6249.321764][ T7704] ipv6_add_addr+0x411/0x2000 [ 6249.321764][ T7704] inet6_addr_add+0x30e/0xa40 [ 6249.321764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.321764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.321764][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.321764][ T7704] netlink_unicast+0x449/0x710 [ 6249.321764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.321764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.321764][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.321764][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.321764][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.321764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.321764][ T7704] [ 6249.324026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6249.324026][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.324026][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.324026][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.324026][ T7704] ip6_route_add+0x1c/0x140 [ 6249.324026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6249.324026][ T7704] addrconf_add_dev+0xe2/0x170 [ 6249.324026][ T7704] inet6_addr_add+0x12f/0xa40 [ 6249.324026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.324026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.324026][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.324026][ T7704] netlink_unicast+0x449/0x710 [ 6249.324026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.324026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.324026][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.324026][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.324026][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.324026][ T7704] [ 6249.326245][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6249.326245][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6249.326245][ T7704] ipv6_find_idev+0x102/0x170 [ 6249.326245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6249.326245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.326245][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.326245][ T7704] netlink_unicast+0x449/0x710 [ 6249.326245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.326245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.326245][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.326245][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.326245][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.326245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.326245][ T7704] [ 6249.327973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6249.327973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6249.327973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6249.327973][ T7704] ipv6_find_idev+0x102/0x170 [ 6249.327973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6249.327973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.327973][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.327973][ T7704] netlink_unicast+0x449/0x710 [ 6249.327973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.327973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.327973][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.327973][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.327973][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.327973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.327973][ T7704] [ 6259.350899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6259.351447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6259.351447][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.351447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.351447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.351447][ T7704] ip6_route_add+0x1c/0x140 [ 6259.351447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6259.351447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6259.351447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.351447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.351447][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.351447][ T7704] netlink_unicast+0x449/0x710 [ 6259.351447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.351447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.351447][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.351447][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.351447][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.351447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.351447][ T7704] [ 6259.353757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6259.353757][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.353757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.353757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.353757][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6259.353757][ T7704] ipv6_add_addr+0x411/0x2000 [ 6259.353757][ T7704] inet6_addr_add+0x30e/0xa40 [ 6259.353757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.353757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.353757][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.353757][ T7704] netlink_unicast+0x449/0x710 [ 6259.353757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.353757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.353757][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.353757][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.353757][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.353757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.353757][ T7704] [ 6259.356564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6259.356564][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.356564][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.356564][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.356564][ T7704] ip6_route_add+0x1c/0x140 [ 6259.356564][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6259.356564][ T7704] addrconf_add_dev+0xe2/0x170 [ 6259.356564][ T7704] inet6_addr_add+0x12f/0xa40 [ 6259.356564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.356564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.356564][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.356564][ T7704] netlink_unicast+0x449/0x710 [ 6259.356564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.356564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.356564][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.356564][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.356564][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.356564][ T7704] [ 6259.360680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6259.360680][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6259.360680][ T7704] ipv6_find_idev+0x102/0x170 [ 6259.360680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6259.360680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.360680][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.360680][ T7704] netlink_unicast+0x449/0x710 [ 6259.360680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.360680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.360680][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.360680][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.360680][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.360680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.360680][ T7704] [ 6259.362602][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6259.362602][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6259.362602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6259.362602][ T7704] ipv6_find_idev+0x102/0x170 [ 6259.362602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6259.362602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.362602][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.362602][ T7704] netlink_unicast+0x449/0x710 [ 6259.362602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.362602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.362602][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.362602][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.362602][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.362602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.362602][ T7704] [ 6269.614946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6269.615469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6269.615469][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.615469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.615469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.615469][ T7704] ip6_route_add+0x1c/0x140 [ 6269.615469][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6269.615469][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6269.615469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.615469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.615469][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.615469][ T7704] netlink_unicast+0x449/0x710 [ 6269.615469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.615469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.615469][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.615469][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.615469][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.615469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.615469][ T7704] [ 6269.618216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6269.618216][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.618216][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.618216][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.618216][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6269.618216][ T7704] ipv6_add_addr+0x411/0x2000 [ 6269.618216][ T7704] inet6_addr_add+0x30e/0xa40 [ 6269.618216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.618216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.618216][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.618216][ T7704] netlink_unicast+0x449/0x710 [ 6269.618216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.618216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.618216][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.618216][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.618216][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.618216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.618216][ T7704] [ 6269.620953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6269.620953][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.620953][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.620953][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.620953][ T7704] ip6_route_add+0x1c/0x140 [ 6269.620953][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6269.620953][ T7704] addrconf_add_dev+0xe2/0x170 [ 6269.620953][ T7704] inet6_addr_add+0x12f/0xa40 [ 6269.620953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.620953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.620953][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.620953][ T7704] netlink_unicast+0x449/0x710 [ 6269.620953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.620953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.620953][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.620953][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.620953][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.620953][ T7704] [ 6269.623641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6269.623641][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6269.623641][ T7704] ipv6_find_idev+0x102/0x170 [ 6269.623641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6269.623641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.623641][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.623641][ T7704] netlink_unicast+0x449/0x710 [ 6269.623641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.623641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.623641][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.623641][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.623641][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.623641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.623641][ T7704] [ 6269.625735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6269.625735][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6269.625735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6269.625735][ T7704] ipv6_find_idev+0x102/0x170 [ 6269.625735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6269.625735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.625735][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.625735][ T7704] netlink_unicast+0x449/0x710 [ 6269.625735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.625735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.625735][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.625735][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.625735][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.625735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.625735][ T7704] [ 6279.702962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6279.703467][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6279.703467][ T7704] netdev_get_by_index+0x5e/0x80 [ 6279.703467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6279.703467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6279.703467][ T7704] ip6_route_add+0x1c/0x140 [ 6279.703467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6279.703467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6279.703467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6279.703467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6279.703467][ T7704] netlink_rcv_skb+0x130/0x360 [ 6279.703467][ T7704] netlink_unicast+0x449/0x710 [ 6279.703467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6279.703467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6279.703467][ T7704] ___sys_sendmsg+0xee/0x170 [ 6279.703467][ T7704] __sys_sendmsg+0xcd/0x170 [ 6279.703467][ T7704] do_syscall_64+0xc6/0x1e0 [ 6279.703467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6279.703467][ T7704] [ 6279.705770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6279.705770][ T7704] netdev_get_by_index+0x5e/0x80 [ 6279.705770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6279.705770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6279.705770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6279.705770][ T7704] ipv6_add_addr+0x411/0x2000 [ 6279.705770][ T7704] inet6_addr_add+0x30e/0xa40 [ 6279.705770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6279.705770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6279.705770][ T7704] netlink_rcv_skb+0x130/0x360 [ 6279.705770][ T7704] netlink_unicast+0x449/0x710 [ 6279.705770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6279.705770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6279.705770][ T7704] ___sys_sendmsg+0xee/0x170 [ 6279.705770][ T7704] __sys_sendmsg+0xcd/0x170 [ 6279.705770][ T7704] do_syscall_64+0xc6/0x1e0 [ 6279.705770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6279.705770][ T7704] [ 6279.708002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6279.708002][ T7704] netdev_get_by_index+0x5e/0x80 [ 6279.708002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6279.708002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6279.708002][ T7704] ip6_route_add+0x1c/0x140 [ 6279.708002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6279.708002][ T7704] addrconf_add_dev+0xe2/0x170 [ 6279.708002][ T7704] inet6_addr_add+0x12f/0xa40 [ 6279.708002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6279.708002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6279.708002][ T7704] netlink_rcv_skb+0x130/0x360 [ 6279.708002][ T7704] netlink_unicast+0x449/0x710 [ 6279.708002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6279.708002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6279.708002][ T7704] ___sys_sendmsg+0xee/0x170 [ 6279.708002][ T7704] __sys_sendmsg+0xcd/0x170 [ 6279.708002][ T7704] do_syscall_64+0xc6/0x1e0 [ 6279.708002][ T7704] [ 6279.710333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6279.710333][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6279.710333][ T7704] ipv6_find_idev+0x102/0x170 [ 6279.710333][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6279.710333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6279.710333][ T7704] netlink_rcv_skb+0x130/0x360 [ 6279.710333][ T7704] netlink_unicast+0x449/0x710 [ 6279.710333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6279.710333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6279.710333][ T7704] ___sys_sendmsg+0xee/0x170 [ 6279.710333][ T7704] __sys_sendmsg+0xcd/0x170 [ 6279.710333][ T7704] do_syscall_64+0xc6/0x1e0 [ 6279.710333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6279.710333][ T7704] [ 6279.712061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6279.712061][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6279.712061][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6279.712061][ T7704] ipv6_find_idev+0x102/0x170 [ 6279.712061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6279.712061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6279.712061][ T7704] netlink_rcv_skb+0x130/0x360 [ 6279.712061][ T7704] netlink_unicast+0x449/0x710 [ 6279.712061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6279.712061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6279.712061][ T7704] ___sys_sendmsg+0xee/0x170 [ 6279.712061][ T7704] __sys_sendmsg+0xcd/0x170 [ 6279.712061][ T7704] do_syscall_64+0xc6/0x1e0 [ 6279.712061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6279.712061][ T7704] [ 6289.886934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6289.887463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6289.887463][ T7704] netdev_get_by_index+0x5e/0x80 [ 6289.887463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6289.887463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6289.887463][ T7704] ip6_route_add+0x1c/0x140 [ 6289.887463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6289.887463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6289.887463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6289.887463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6289.887463][ T7704] netlink_rcv_skb+0x130/0x360 [ 6289.887463][ T7704] netlink_unicast+0x449/0x710 [ 6289.887463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6289.887463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6289.887463][ T7704] ___sys_sendmsg+0xee/0x170 [ 6289.887463][ T7704] __sys_sendmsg+0xcd/0x170 [ 6289.887463][ T7704] do_syscall_64+0xc6/0x1e0 [ 6289.887463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6289.887463][ T7704] [ 6289.889907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6289.889907][ T7704] netdev_get_by_index+0x5e/0x80 [ 6289.889907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6289.889907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6289.889907][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6289.889907][ T7704] ipv6_add_addr+0x411/0x2000 [ 6289.889907][ T7704] inet6_addr_add+0x30e/0xa40 [ 6289.889907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6289.889907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6289.889907][ T7704] netlink_rcv_skb+0x130/0x360 [ 6289.889907][ T7704] netlink_unicast+0x449/0x710 [ 6289.889907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6289.889907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6289.889907][ T7704] ___sys_sendmsg+0xee/0x170 [ 6289.889907][ T7704] __sys_sendmsg+0xcd/0x170 [ 6289.889907][ T7704] do_syscall_64+0xc6/0x1e0 [ 6289.889907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6289.889907][ T7704] [ 6289.892211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6289.892211][ T7704] netdev_get_by_index+0x5e/0x80 [ 6289.892211][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6289.892211][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6289.892211][ T7704] ip6_route_add+0x1c/0x140 [ 6289.892211][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6289.892211][ T7704] addrconf_add_dev+0xe2/0x170 [ 6289.892211][ T7704] inet6_addr_add+0x12f/0xa40 [ 6289.892211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6289.892211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6289.892211][ T7704] netlink_rcv_skb+0x130/0x360 [ 6289.892211][ T7704] netlink_unicast+0x449/0x710 [ 6289.892211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6289.892211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6289.892211][ T7704] ___sys_sendmsg+0xee/0x170 [ 6289.892211][ T7704] __sys_sendmsg+0xcd/0x170 [ 6289.892211][ T7704] do_syscall_64+0xc6/0x1e0 [ 6289.892211][ T7704] [ 6289.894446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6289.894446][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6289.894446][ T7704] ipv6_find_idev+0x102/0x170 [ 6289.894446][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6289.894446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6289.894446][ T7704] netlink_rcv_skb+0x130/0x360 [ 6289.894446][ T7704] netlink_unicast+0x449/0x710 [ 6289.894446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6289.894446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6289.894446][ T7704] ___sys_sendmsg+0xee/0x170 [ 6289.894446][ T7704] __sys_sendmsg+0xcd/0x170 [ 6289.894446][ T7704] do_syscall_64+0xc6/0x1e0 [ 6289.894446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6289.894446][ T7704] [ 6289.896199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6289.896199][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6289.896199][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6289.896199][ T7704] ipv6_find_idev+0x102/0x170 [ 6289.896199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6289.896199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6289.896199][ T7704] netlink_rcv_skb+0x130/0x360 [ 6289.896199][ T7704] netlink_unicast+0x449/0x710 [ 6289.896199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6289.896199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6289.896199][ T7704] ___sys_sendmsg+0xee/0x170 [ 6289.896199][ T7704] __sys_sendmsg+0xcd/0x170 [ 6289.896199][ T7704] do_syscall_64+0xc6/0x1e0 [ 6289.896199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6289.896199][ T7704] [ 6300.134952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6300.135501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6300.135501][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.135501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.135501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.135501][ T7704] ip6_route_add+0x1c/0x140 [ 6300.135501][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6300.135501][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6300.135501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.135501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.135501][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.135501][ T7704] netlink_unicast+0x449/0x710 [ 6300.135501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.135501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.135501][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.135501][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.135501][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.135501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.135501][ T7704] [ 6300.137803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6300.137803][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.137803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.137803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.137803][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6300.137803][ T7704] ipv6_add_addr+0x411/0x2000 [ 6300.137803][ T7704] inet6_addr_add+0x30e/0xa40 [ 6300.137803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.137803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.137803][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.137803][ T7704] netlink_unicast+0x449/0x710 [ 6300.137803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.137803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.137803][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.137803][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.137803][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.137803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.137803][ T7704] [ 6300.140112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6300.140112][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.140112][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.140112][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.140112][ T7704] ip6_route_add+0x1c/0x140 [ 6300.140112][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6300.140112][ T7704] addrconf_add_dev+0xe2/0x170 [ 6300.140112][ T7704] inet6_addr_add+0x12f/0xa40 [ 6300.140112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.140112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.140112][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.140112][ T7704] netlink_unicast+0x449/0x710 [ 6300.140112][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.140112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.140112][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.140112][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.140112][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.140112][ T7704] [ 6300.142340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6300.142340][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6300.142340][ T7704] ipv6_find_idev+0x102/0x170 [ 6300.142340][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6300.142340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.142340][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.142340][ T7704] netlink_unicast+0x449/0x710 [ 6300.142340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.142340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.142340][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.142340][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.142340][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.142340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.142340][ T7704] [ 6300.144095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6300.144095][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6300.144095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6300.144095][ T7704] ipv6_find_idev+0x102/0x170 [ 6300.144095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6300.144095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.144095][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.144095][ T7704] netlink_unicast+0x449/0x710 [ 6300.144095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.144095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.144095][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.144095][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.144095][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.144095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.144095][ T7704] [ 6310.382949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6310.383507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6310.383507][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.383507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.383507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.383507][ T7704] ip6_route_add+0x1c/0x140 [ 6310.383507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6310.383507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6310.383507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.383507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.383507][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.383507][ T7704] netlink_unicast+0x449/0x710 [ 6310.383507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.383507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.383507][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.383507][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.383507][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.383507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.383507][ T7704] [ 6310.385835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6310.385835][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.385835][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.385835][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.385835][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6310.385835][ T7704] ipv6_add_addr+0x411/0x2000 [ 6310.385835][ T7704] inet6_addr_add+0x30e/0xa40 [ 6310.385835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.385835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.385835][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.385835][ T7704] netlink_unicast+0x449/0x710 [ 6310.385835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.385835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.385835][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.385835][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.385835][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.385835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.385835][ T7704] [ 6310.388110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6310.388110][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.388110][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.388110][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.388110][ T7704] ip6_route_add+0x1c/0x140 [ 6310.388110][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6310.388110][ T7704] addrconf_add_dev+0xe2/0x170 [ 6310.388110][ T7704] inet6_addr_add+0x12f/0xa40 [ 6310.388110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.388110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.388110][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.388110][ T7704] netlink_unicast+0x449/0x710 [ 6310.388110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.388110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.388110][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.388110][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.388110][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.388110][ T7704] [ 6310.390370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6310.390370][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6310.390370][ T7704] ipv6_find_idev+0x102/0x170 [ 6310.390370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6310.390370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.390370][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.390370][ T7704] netlink_unicast+0x449/0x710 [ 6310.390370][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.390370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.390370][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.390370][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.390370][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.390370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.390370][ T7704] [ 6310.392121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6310.392121][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6310.392121][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6310.392121][ T7704] ipv6_find_idev+0x102/0x170 [ 6310.392121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6310.392121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.392121][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.392121][ T7704] netlink_unicast+0x449/0x710 [ 6310.392121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.392121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.392121][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.392121][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.392121][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.392121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.392121][ T7704] [ 6320.630952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6320.631519][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6320.631519][ T7704] netdev_get_by_index+0x5e/0x80 [ 6320.631519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6320.631519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6320.631519][ T7704] ip6_route_add+0x1c/0x140 [ 6320.631519][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6320.631519][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6320.631519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6320.631519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6320.631519][ T7704] netlink_rcv_skb+0x130/0x360 [ 6320.631519][ T7704] netlink_unicast+0x449/0x710 [ 6320.631519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6320.631519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6320.631519][ T7704] ___sys_sendmsg+0xee/0x170 [ 6320.631519][ T7704] __sys_sendmsg+0xcd/0x170 [ 6320.631519][ T7704] do_syscall_64+0xc6/0x1e0 [ 6320.631519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6320.631519][ T7704] [ 6320.633849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6320.633849][ T7704] netdev_get_by_index+0x5e/0x80 [ 6320.633849][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6320.633849][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6320.633849][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6320.633849][ T7704] ipv6_add_addr+0x411/0x2000 [ 6320.633849][ T7704] inet6_addr_add+0x30e/0xa40 [ 6320.633849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6320.633849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6320.633849][ T7704] netlink_rcv_skb+0x130/0x360 [ 6320.633849][ T7704] netlink_unicast+0x449/0x710 [ 6320.633849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6320.633849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6320.633849][ T7704] ___sys_sendmsg+0xee/0x170 [ 6320.633849][ T7704] __sys_sendmsg+0xcd/0x170 [ 6320.633849][ T7704] do_syscall_64+0xc6/0x1e0 [ 6320.633849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6320.633849][ T7704] [ 6320.636143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6320.636143][ T7704] netdev_get_by_index+0x5e/0x80 [ 6320.636143][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6320.636143][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6320.636143][ T7704] ip6_route_add+0x1c/0x140 [ 6320.636143][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6320.636143][ T7704] addrconf_add_dev+0xe2/0x170 [ 6320.636143][ T7704] inet6_addr_add+0x12f/0xa40 [ 6320.636143][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6320.636143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6320.636143][ T7704] netlink_rcv_skb+0x130/0x360 [ 6320.636143][ T7704] netlink_unicast+0x449/0x710 [ 6320.636143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6320.636143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6320.636143][ T7704] ___sys_sendmsg+0xee/0x170 [ 6320.636143][ T7704] __sys_sendmsg+0xcd/0x170 [ 6320.636143][ T7704] do_syscall_64+0xc6/0x1e0 [ 6320.636143][ T7704] [ 6320.638403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6320.638403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6320.638403][ T7704] ipv6_find_idev+0x102/0x170 [ 6320.638403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6320.638403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6320.638403][ T7704] netlink_rcv_skb+0x130/0x360 [ 6320.638403][ T7704] netlink_unicast+0x449/0x710 [ 6320.638403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6320.638403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6320.638403][ T7704] ___sys_sendmsg+0xee/0x170 [ 6320.638403][ T7704] __sys_sendmsg+0xcd/0x170 [ 6320.638403][ T7704] do_syscall_64+0xc6/0x1e0 [ 6320.638403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6320.638403][ T7704] [ 6320.640179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6320.640179][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6320.640179][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6320.640179][ T7704] ipv6_find_idev+0x102/0x170 [ 6320.640179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6320.640179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6320.640179][ T7704] netlink_rcv_skb+0x130/0x360 [ 6320.640179][ T7704] netlink_unicast+0x449/0x710 [ 6320.640179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6320.640179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6320.640179][ T7704] ___sys_sendmsg+0xee/0x170 [ 6320.640179][ T7704] __sys_sendmsg+0xcd/0x170 [ 6320.640179][ T7704] do_syscall_64+0xc6/0x1e0 [ 6320.640179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6320.640179][ T7704] [ 6330.878939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6330.879494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6330.879494][ T7704] netdev_get_by_index+0x5e/0x80 [ 6330.879494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6330.879494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6330.879494][ T7704] ip6_route_add+0x1c/0x140 [ 6330.879494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6330.879494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6330.879494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6330.879494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6330.879494][ T7704] netlink_rcv_skb+0x130/0x360 [ 6330.879494][ T7704] netlink_unicast+0x449/0x710 [ 6330.879494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6330.879494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6330.879494][ T7704] ___sys_sendmsg+0xee/0x170 [ 6330.879494][ T7704] __sys_sendmsg+0xcd/0x170 [ 6330.879494][ T7704] do_syscall_64+0xc6/0x1e0 [ 6330.879494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6330.879494][ T7704] [ 6330.881826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6330.881826][ T7704] netdev_get_by_index+0x5e/0x80 [ 6330.881826][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6330.881826][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6330.881826][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6330.881826][ T7704] ipv6_add_addr+0x411/0x2000 [ 6330.881826][ T7704] inet6_addr_add+0x30e/0xa40 [ 6330.881826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6330.881826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6330.881826][ T7704] netlink_rcv_skb+0x130/0x360 [ 6330.881826][ T7704] netlink_unicast+0x449/0x710 [ 6330.881826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6330.881826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6330.881826][ T7704] ___sys_sendmsg+0xee/0x170 [ 6330.881826][ T7704] __sys_sendmsg+0xcd/0x170 [ 6330.881826][ T7704] do_syscall_64+0xc6/0x1e0 [ 6330.881826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6330.881826][ T7704] [ 6330.884122][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6330.884122][ T7704] netdev_get_by_index+0x5e/0x80 [ 6330.884122][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6330.884122][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6330.884122][ T7704] ip6_route_add+0x1c/0x140 [ 6330.884122][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6330.884122][ T7704] addrconf_add_dev+0xe2/0x170 [ 6330.884122][ T7704] inet6_addr_add+0x12f/0xa40 [ 6330.884122][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6330.884122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6330.884122][ T7704] netlink_rcv_skb+0x130/0x360 [ 6330.884122][ T7704] netlink_unicast+0x449/0x710 [ 6330.884122][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6330.884122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6330.884122][ T7704] ___sys_sendmsg+0xee/0x170 [ 6330.884122][ T7704] __sys_sendmsg+0xcd/0x170 [ 6330.884122][ T7704] do_syscall_64+0xc6/0x1e0 [ 6330.884122][ T7704] [ 6330.886381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6330.886381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6330.886381][ T7704] ipv6_find_idev+0x102/0x170 [ 6330.886381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6330.886381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6330.886381][ T7704] netlink_rcv_skb+0x130/0x360 [ 6330.886381][ T7704] netlink_unicast+0x449/0x710 [ 6330.886381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6330.886381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6330.886381][ T7704] ___sys_sendmsg+0xee/0x170 [ 6330.886381][ T7704] __sys_sendmsg+0xcd/0x170 [ 6330.886381][ T7704] do_syscall_64+0xc6/0x1e0 [ 6330.886381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6330.886381][ T7704] [ 6330.888142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6330.888142][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6330.888142][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6330.888142][ T7704] ipv6_find_idev+0x102/0x170 [ 6330.888142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6330.888142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6330.888142][ T7704] netlink_rcv_skb+0x130/0x360 [ 6330.888142][ T7704] netlink_unicast+0x449/0x710 [ 6330.888142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6330.888142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6330.888142][ T7704] ___sys_sendmsg+0xee/0x170 [ 6330.888142][ T7704] __sys_sendmsg+0xcd/0x170 [ 6330.888142][ T7704] do_syscall_64+0xc6/0x1e0 [ 6330.888142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6330.888142][ T7704] [ 6341.126963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6341.127489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6341.127489][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.127489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.127489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.127489][ T7704] ip6_route_add+0x1c/0x140 [ 6341.127489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6341.127489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6341.127489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.127489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.127489][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.127489][ T7704] netlink_unicast+0x449/0x710 [ 6341.127489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.127489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.127489][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.127489][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.127489][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.127489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.127489][ T7704] [ 6341.130030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6341.130030][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.130030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.130030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.130030][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6341.130030][ T7704] ipv6_add_addr+0x411/0x2000 [ 6341.130030][ T7704] inet6_addr_add+0x30e/0xa40 [ 6341.130030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.130030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.130030][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.130030][ T7704] netlink_unicast+0x449/0x710 [ 6341.130030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.130030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.130030][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.130030][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.130030][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.130030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.130030][ T7704] [ 6341.133100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6341.133100][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.133100][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.133100][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.133100][ T7704] ip6_route_add+0x1c/0x140 [ 6341.133100][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6341.133100][ T7704] addrconf_add_dev+0xe2/0x170 [ 6341.133100][ T7704] inet6_addr_add+0x12f/0xa40 [ 6341.133100][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.133100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.133100][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.133100][ T7704] netlink_unicast+0x449/0x710 [ 6341.133100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.133100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.133100][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.133100][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.133100][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.133100][ T7704] [ 6341.135567][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6341.135567][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6341.135567][ T7704] ipv6_find_idev+0x102/0x170 [ 6341.135567][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6341.135567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.135567][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.135567][ T7704] netlink_unicast+0x449/0x710 [ 6341.135567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.135567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.135567][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.135567][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.135567][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.135567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.135567][ T7704] [ 6341.137435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6341.137435][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6341.137435][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6341.137435][ T7704] ipv6_find_idev+0x102/0x170 [ 6341.137435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6341.137435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.137435][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.137435][ T7704] netlink_unicast+0x449/0x710 [ 6341.137435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.137435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.137435][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.137435][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.137435][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.137435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.137435][ T7704] [ 6351.374939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6351.375442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6351.375442][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.375442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.375442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.375442][ T7704] ip6_route_add+0x1c/0x140 [ 6351.375442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6351.375442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6351.375442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.375442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.375442][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.375442][ T7704] netlink_unicast+0x449/0x710 [ 6351.375442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.375442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.375442][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.375442][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.375442][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.375442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.375442][ T7704] [ 6351.377731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6351.377731][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.377731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.377731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.377731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6351.377731][ T7704] ipv6_add_addr+0x411/0x2000 [ 6351.377731][ T7704] inet6_addr_add+0x30e/0xa40 [ 6351.377731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.377731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.377731][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.377731][ T7704] netlink_unicast+0x449/0x710 [ 6351.377731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.377731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.377731][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.377731][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.377731][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.377731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.377731][ T7704] [ 6351.379986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6351.379986][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.379986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.379986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.379986][ T7704] ip6_route_add+0x1c/0x140 [ 6351.379986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6351.379986][ T7704] addrconf_add_dev+0xe2/0x170 [ 6351.379986][ T7704] inet6_addr_add+0x12f/0xa40 [ 6351.379986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.379986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.379986][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.379986][ T7704] netlink_unicast+0x449/0x710 [ 6351.379986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.379986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.379986][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.379986][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.379986][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.379986][ T7704] [ 6351.382199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6351.382199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6351.382199][ T7704] ipv6_find_idev+0x102/0x170 [ 6351.382199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6351.382199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.382199][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.382199][ T7704] netlink_unicast+0x449/0x710 [ 6351.382199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.382199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.382199][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.382199][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.382199][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.382199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.382199][ T7704] [ 6351.383920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6351.383920][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6351.383920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6351.383920][ T7704] ipv6_find_idev+0x102/0x170 [ 6351.383920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6351.383920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.383920][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.383920][ T7704] netlink_unicast+0x449/0x710 [ 6351.383920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.383920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.383920][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.383920][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.383920][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.383920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.383920][ T7704] [ 6361.622931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6361.623454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6361.623454][ T7704] netdev_get_by_index+0x5e/0x80 [ 6361.623454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6361.623454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6361.623454][ T7704] ip6_route_add+0x1c/0x140 [ 6361.623454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6361.623454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6361.623454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6361.623454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6361.623454][ T7704] netlink_rcv_skb+0x130/0x360 [ 6361.623454][ T7704] netlink_unicast+0x449/0x710 [ 6361.623454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6361.623454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6361.623454][ T7704] ___sys_sendmsg+0xee/0x170 [ 6361.623454][ T7704] __sys_sendmsg+0xcd/0x170 [ 6361.623454][ T7704] do_syscall_64+0xc6/0x1e0 [ 6361.623454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6361.623454][ T7704] [ 6361.625722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6361.625722][ T7704] netdev_get_by_index+0x5e/0x80 [ 6361.625722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6361.625722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6361.625722][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6361.625722][ T7704] ipv6_add_addr+0x411/0x2000 [ 6361.625722][ T7704] inet6_addr_add+0x30e/0xa40 [ 6361.625722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6361.625722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6361.625722][ T7704] netlink_rcv_skb+0x130/0x360 [ 6361.625722][ T7704] netlink_unicast+0x449/0x710 [ 6361.625722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6361.625722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6361.625722][ T7704] ___sys_sendmsg+0xee/0x170 [ 6361.625722][ T7704] __sys_sendmsg+0xcd/0x170 [ 6361.625722][ T7704] do_syscall_64+0xc6/0x1e0 [ 6361.625722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6361.625722][ T7704] [ 6361.627968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6361.627968][ T7704] netdev_get_by_index+0x5e/0x80 [ 6361.627968][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6361.627968][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6361.627968][ T7704] ip6_route_add+0x1c/0x140 [ 6361.627968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6361.627968][ T7704] addrconf_add_dev+0xe2/0x170 [ 6361.627968][ T7704] inet6_addr_add+0x12f/0xa40 [ 6361.627968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6361.627968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6361.627968][ T7704] netlink_rcv_skb+0x130/0x360 [ 6361.627968][ T7704] netlink_unicast+0x449/0x710 [ 6361.627968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6361.627968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6361.627968][ T7704] ___sys_sendmsg+0xee/0x170 [ 6361.627968][ T7704] __sys_sendmsg+0xcd/0x170 [ 6361.627968][ T7704] do_syscall_64+0xc6/0x1e0 [ 6361.627968][ T7704] [ 6361.630176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6361.630176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6361.630176][ T7704] ipv6_find_idev+0x102/0x170 [ 6361.630176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6361.630176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6361.630176][ T7704] netlink_rcv_skb+0x130/0x360 [ 6361.630176][ T7704] netlink_unicast+0x449/0x710 [ 6361.630176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6361.630176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6361.630176][ T7704] ___sys_sendmsg+0xee/0x170 [ 6361.630176][ T7704] __sys_sendmsg+0xcd/0x170 [ 6361.630176][ T7704] do_syscall_64+0xc6/0x1e0 [ 6361.630176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6361.630176][ T7704] [ 6361.631927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6361.631927][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6361.631927][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6361.631927][ T7704] ipv6_find_idev+0x102/0x170 [ 6361.631927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6361.631927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6361.631927][ T7704] netlink_rcv_skb+0x130/0x360 [ 6361.631927][ T7704] netlink_unicast+0x449/0x710 [ 6361.631927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6361.631927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6361.631927][ T7704] ___sys_sendmsg+0xee/0x170 [ 6361.631927][ T7704] __sys_sendmsg+0xcd/0x170 [ 6361.631927][ T7704] do_syscall_64+0xc6/0x1e0 [ 6361.631927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6361.631927][ T7704] [ 6371.870939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6371.871468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6371.871468][ T7704] netdev_get_by_index+0x5e/0x80 [ 6371.871468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6371.871468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6371.871468][ T7704] ip6_route_add+0x1c/0x140 [ 6371.871468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6371.871468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6371.871468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6371.871468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6371.871468][ T7704] netlink_rcv_skb+0x130/0x360 [ 6371.871468][ T7704] netlink_unicast+0x449/0x710 [ 6371.871468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6371.871468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6371.871468][ T7704] ___sys_sendmsg+0xee/0x170 [ 6371.871468][ T7704] __sys_sendmsg+0xcd/0x170 [ 6371.871468][ T7704] do_syscall_64+0xc6/0x1e0 [ 6371.871468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6371.871468][ T7704] [ 6371.873746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6371.873746][ T7704] netdev_get_by_index+0x5e/0x80 [ 6371.873746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6371.873746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6371.873746][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6371.873746][ T7704] ipv6_add_addr+0x411/0x2000 [ 6371.873746][ T7704] inet6_addr_add+0x30e/0xa40 [ 6371.873746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6371.873746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6371.873746][ T7704] netlink_rcv_skb+0x130/0x360 [ 6371.873746][ T7704] netlink_unicast+0x449/0x710 [ 6371.873746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6371.873746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6371.873746][ T7704] ___sys_sendmsg+0xee/0x170 [ 6371.873746][ T7704] __sys_sendmsg+0xcd/0x170 [ 6371.873746][ T7704] do_syscall_64+0xc6/0x1e0 [ 6371.873746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6371.873746][ T7704] [ 6371.876021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6371.876021][ T7704] netdev_get_by_index+0x5e/0x80 [ 6371.876021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6371.876021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6371.876021][ T7704] ip6_route_add+0x1c/0x140 [ 6371.876021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6371.876021][ T7704] addrconf_add_dev+0xe2/0x170 [ 6371.876021][ T7704] inet6_addr_add+0x12f/0xa40 [ 6371.876021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6371.876021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6371.876021][ T7704] netlink_rcv_skb+0x130/0x360 [ 6371.876021][ T7704] netlink_unicast+0x449/0x710 [ 6371.876021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6371.876021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6371.876021][ T7704] ___sys_sendmsg+0xee/0x170 [ 6371.876021][ T7704] __sys_sendmsg+0xcd/0x170 [ 6371.876021][ T7704] do_syscall_64+0xc6/0x1e0 [ 6371.876021][ T7704] [ 6371.878230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6371.878230][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6371.878230][ T7704] ipv6_find_idev+0x102/0x170 [ 6371.878230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6371.878230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6371.878230][ T7704] netlink_rcv_skb+0x130/0x360 [ 6371.878230][ T7704] netlink_unicast+0x449/0x710 [ 6371.878230][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6371.878230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6371.878230][ T7704] ___sys_sendmsg+0xee/0x170 [ 6371.878230][ T7704] __sys_sendmsg+0xcd/0x170 [ 6371.878230][ T7704] do_syscall_64+0xc6/0x1e0 [ 6371.878230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6371.878230][ T7704] [ 6371.880509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6371.880509][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6371.880509][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6371.880509][ T7704] ipv6_find_idev+0x102/0x170 [ 6371.880509][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6371.880509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6371.880509][ T7704] netlink_rcv_skb+0x130/0x360 [ 6371.880509][ T7704] netlink_unicast+0x449/0x710 [ 6371.880509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6371.880509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6371.880509][ T7704] ___sys_sendmsg+0xee/0x170 [ 6371.880509][ T7704] __sys_sendmsg+0xcd/0x170 [ 6371.880509][ T7704] do_syscall_64+0xc6/0x1e0 [ 6371.880509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6371.880509][ T7704] [ 6382.118959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6382.119481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6382.119481][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.119481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.119481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.119481][ T7704] ip6_route_add+0x1c/0x140 [ 6382.119481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6382.119481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6382.119481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.119481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.119481][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.119481][ T7704] netlink_unicast+0x449/0x710 [ 6382.119481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.119481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.119481][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.119481][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.119481][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.119481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.119481][ T7704] [ 6382.121789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6382.121789][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.121789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.121789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.121789][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6382.121789][ T7704] ipv6_add_addr+0x411/0x2000 [ 6382.121789][ T7704] inet6_addr_add+0x30e/0xa40 [ 6382.121789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.121789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.121789][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.121789][ T7704] netlink_unicast+0x449/0x710 [ 6382.121789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.121789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.121789][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.121789][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.121789][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.121789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.121789][ T7704] [ 6382.124047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6382.124047][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.124047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.124047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.124047][ T7704] ip6_route_add+0x1c/0x140 [ 6382.124047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6382.124047][ T7704] addrconf_add_dev+0xe2/0x170 [ 6382.124047][ T7704] inet6_addr_add+0x12f/0xa40 [ 6382.124047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.124047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.124047][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.124047][ T7704] netlink_unicast+0x449/0x710 [ 6382.124047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.124047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.124047][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.124047][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.124047][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.124047][ T7704] [ 6382.126274][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6382.126274][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6382.126274][ T7704] ipv6_find_idev+0x102/0x170 [ 6382.126274][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6382.126274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.126274][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.126274][ T7704] netlink_unicast+0x449/0x710 [ 6382.126274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.126274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.126274][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.126274][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.126274][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.126274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.126274][ T7704] [ 6382.128014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6382.128014][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6382.128014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6382.128014][ T7704] ipv6_find_idev+0x102/0x170 [ 6382.128014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6382.128014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.128014][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.128014][ T7704] netlink_unicast+0x449/0x710 [ 6382.128014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.128014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.128014][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.128014][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.128014][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.128014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.128014][ T7704] [ 6392.366931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6392.367432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6392.367432][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.367432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.367432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.367432][ T7704] ip6_route_add+0x1c/0x140 [ 6392.367432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6392.367432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6392.367432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.367432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.367432][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.367432][ T7704] netlink_unicast+0x449/0x710 [ 6392.367432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.367432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.367432][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.367432][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.367432][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.367432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.367432][ T7704] [ 6392.369743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6392.369743][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.369743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.369743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.369743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6392.369743][ T7704] ipv6_add_addr+0x411/0x2000 [ 6392.369743][ T7704] inet6_addr_add+0x30e/0xa40 [ 6392.369743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.369743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.369743][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.369743][ T7704] netlink_unicast+0x449/0x710 [ 6392.369743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.369743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.369743][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.369743][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.369743][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.369743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.369743][ T7704] [ 6392.371991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6392.371991][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.371991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.371991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.371991][ T7704] ip6_route_add+0x1c/0x140 [ 6392.371991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6392.371991][ T7704] addrconf_add_dev+0xe2/0x170 [ 6392.371991][ T7704] inet6_addr_add+0x12f/0xa40 [ 6392.371991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.371991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.371991][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.371991][ T7704] netlink_unicast+0x449/0x710 [ 6392.371991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.371991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.371991][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.371991][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.371991][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.371991][ T7704] [ 6392.374210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6392.374210][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6392.374210][ T7704] ipv6_find_idev+0x102/0x170 [ 6392.374210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6392.374210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.374210][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.374210][ T7704] netlink_unicast+0x449/0x710 [ 6392.374210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.374210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.374210][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.374210][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.374210][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.374210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.374210][ T7704] [ 6392.375943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6392.375943][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6392.375943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6392.375943][ T7704] ipv6_find_idev+0x102/0x170 [ 6392.375943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6392.375943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.375943][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.375943][ T7704] netlink_unicast+0x449/0x710 [ 6392.375943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.375943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.375943][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.375943][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.375943][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.375943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.375943][ T7704] [ 6402.614934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6402.615458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6402.615458][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.615458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.615458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.615458][ T7704] ip6_route_add+0x1c/0x140 [ 6402.615458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6402.615458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6402.615458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.615458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.615458][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.615458][ T7704] netlink_unicast+0x449/0x710 [ 6402.615458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.615458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.615458][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.615458][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.615458][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.615458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.615458][ T7704] [ 6402.617725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6402.617725][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.617725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.617725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.617725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6402.617725][ T7704] ipv6_add_addr+0x411/0x2000 [ 6402.617725][ T7704] inet6_addr_add+0x30e/0xa40 [ 6402.617725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.617725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.617725][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.617725][ T7704] netlink_unicast+0x449/0x710 [ 6402.617725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.617725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.617725][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.617725][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.617725][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.617725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.617725][ T7704] [ 6402.620068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6402.620068][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.620068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.620068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.620068][ T7704] ip6_route_add+0x1c/0x140 [ 6402.620068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6402.620068][ T7704] addrconf_add_dev+0xe2/0x170 [ 6402.620068][ T7704] inet6_addr_add+0x12f/0xa40 [ 6402.620068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.620068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.620068][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.620068][ T7704] netlink_unicast+0x449/0x710 [ 6402.620068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.620068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.620068][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.620068][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.620068][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.620068][ T7704] [ 6402.622280][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6402.622280][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6402.622280][ T7704] ipv6_find_idev+0x102/0x170 [ 6402.622280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6402.622280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.622280][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.622280][ T7704] netlink_unicast+0x449/0x710 [ 6402.622280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.622280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.622280][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.622280][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.622280][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.622280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.622280][ T7704] [ 6402.624005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6402.624005][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6402.624005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6402.624005][ T7704] ipv6_find_idev+0x102/0x170 [ 6402.624005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6402.624005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.624005][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.624005][ T7704] netlink_unicast+0x449/0x710 [ 6402.624005][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.624005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.624005][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.624005][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.624005][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.624005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.624005][ T7704] [ 6412.862880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6412.863346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6412.863346][ T7704] netdev_get_by_index+0x5e/0x80 [ 6412.863346][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6412.863346][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6412.863346][ T7704] ip6_route_add+0x1c/0x140 [ 6412.863346][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6412.863346][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6412.863346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6412.863346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.863346][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.863346][ T7704] netlink_unicast+0x449/0x710 [ 6412.863346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.863346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.863346][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.863346][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.863346][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.863346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.863346][ T7704] [ 6412.865589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6412.865589][ T7704] netdev_get_by_index+0x5e/0x80 [ 6412.865589][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6412.865589][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6412.865589][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6412.865589][ T7704] ipv6_add_addr+0x411/0x2000 [ 6412.865589][ T7704] inet6_addr_add+0x30e/0xa40 [ 6412.865589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6412.865589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.865589][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.865589][ T7704] netlink_unicast+0x449/0x710 [ 6412.865589][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.865589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.865589][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.865589][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.865589][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.865589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.865589][ T7704] [ 6412.867945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6412.867945][ T7704] netdev_get_by_index+0x5e/0x80 [ 6412.867945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6412.867945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6412.867945][ T7704] ip6_route_add+0x1c/0x140 [ 6412.867945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6412.867945][ T7704] addrconf_add_dev+0xe2/0x170 [ 6412.867945][ T7704] inet6_addr_add+0x12f/0xa40 [ 6412.867945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6412.867945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.867945][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.867945][ T7704] netlink_unicast+0x449/0x710 [ 6412.867945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.867945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.867945][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.867945][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.867945][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.867945][ T7704] [ 6412.870170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6412.870170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6412.870170][ T7704] ipv6_find_idev+0x102/0x170 [ 6412.870170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6412.870170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.870170][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.870170][ T7704] netlink_unicast+0x449/0x710 [ 6412.870170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.870170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.870170][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.870170][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.870170][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.870170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.870170][ T7704] [ 6412.871901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6412.871901][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6412.871901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6412.871901][ T7704] ipv6_find_idev+0x102/0x170 [ 6412.871901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6412.871901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.871901][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.871901][ T7704] netlink_unicast+0x449/0x710 [ 6412.871901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.871901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.871901][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.871901][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.871901][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.871901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.871901][ T7704] [ 6423.110944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6423.111464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6423.111464][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.111464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.111464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.111464][ T7704] ip6_route_add+0x1c/0x140 [ 6423.111464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6423.111464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6423.111464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.111464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.111464][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.111464][ T7704] netlink_unicast+0x449/0x710 [ 6423.111464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.111464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.111464][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.111464][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.111464][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.111464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.111464][ T7704] [ 6423.113769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6423.113769][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.113769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.113769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.113769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6423.113769][ T7704] ipv6_add_addr+0x411/0x2000 [ 6423.113769][ T7704] inet6_addr_add+0x30e/0xa40 [ 6423.113769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.113769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.113769][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.113769][ T7704] netlink_unicast+0x449/0x710 [ 6423.113769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.113769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.113769][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.113769][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.113769][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.113769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.113769][ T7704] [ 6423.116022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6423.116022][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.116022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.116022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.116022][ T7704] ip6_route_add+0x1c/0x140 [ 6423.116022][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6423.116022][ T7704] addrconf_add_dev+0xe2/0x170 [ 6423.116022][ T7704] inet6_addr_add+0x12f/0xa40 [ 6423.116022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.116022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.116022][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.116022][ T7704] netlink_unicast+0x449/0x710 [ 6423.116022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.116022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.116022][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.116022][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.116022][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.116022][ T7704] [ 6423.118251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6423.118251][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6423.118251][ T7704] ipv6_find_idev+0x102/0x170 [ 6423.118251][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6423.118251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.118251][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.118251][ T7704] netlink_unicast+0x449/0x710 [ 6423.118251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.118251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.118251][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.118251][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.118251][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.118251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.118251][ T7704] [ 6423.119986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6423.119986][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6423.119986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6423.119986][ T7704] ipv6_find_idev+0x102/0x170 [ 6423.119986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6423.119986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.119986][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.119986][ T7704] netlink_unicast+0x449/0x710 [ 6423.119986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.119986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.119986][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.119986][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.119986][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.119986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.119986][ T7704] [ 6433.358871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6433.359404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6433.359404][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.359404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.359404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.359404][ T7704] ip6_route_add+0x1c/0x140 [ 6433.359404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6433.359404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6433.359404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.359404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.359404][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.359404][ T7704] netlink_unicast+0x449/0x710 [ 6433.359404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.359404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.359404][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.359404][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.359404][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.359404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.359404][ T7704] [ 6433.361701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6433.361701][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.361701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.361701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.361701][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6433.361701][ T7704] ipv6_add_addr+0x411/0x2000 [ 6433.361701][ T7704] inet6_addr_add+0x30e/0xa40 [ 6433.361701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.361701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.361701][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.361701][ T7704] netlink_unicast+0x449/0x710 [ 6433.361701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.361701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.361701][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.361701][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.361701][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.361701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.361701][ T7704] [ 6433.363960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6433.363960][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.363960][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.363960][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.363960][ T7704] ip6_route_add+0x1c/0x140 [ 6433.363960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6433.363960][ T7704] addrconf_add_dev+0xe2/0x170 [ 6433.363960][ T7704] inet6_addr_add+0x12f/0xa40 [ 6433.363960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.363960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.363960][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.363960][ T7704] netlink_unicast+0x449/0x710 [ 6433.363960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.363960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.363960][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.363960][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.363960][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.363960][ T7704] [ 6433.366166][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6433.366166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6433.366166][ T7704] ipv6_find_idev+0x102/0x170 [ 6433.366166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6433.366166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.366166][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.366166][ T7704] netlink_unicast+0x449/0x710 [ 6433.366166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.366166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.366166][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.366166][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.366166][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.366166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.366166][ T7704] [ 6433.367894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6433.367894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6433.367894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6433.367894][ T7704] ipv6_find_idev+0x102/0x170 [ 6433.367894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6433.367894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.367894][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.367894][ T7704] netlink_unicast+0x449/0x710 [ 6433.367894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.367894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.367894][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.367894][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.367894][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.367894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.367894][ T7704] [ 6443.606952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6443.607495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6443.607495][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.607495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.607495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.607495][ T7704] ip6_route_add+0x1c/0x140 [ 6443.607495][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6443.607495][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6443.607495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.607495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.607495][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.607495][ T7704] netlink_unicast+0x449/0x710 [ 6443.607495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.607495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.607495][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.607495][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.607495][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.607495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.607495][ T7704] [ 6443.609780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6443.609780][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.609780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.609780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.609780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6443.609780][ T7704] ipv6_add_addr+0x411/0x2000 [ 6443.609780][ T7704] inet6_addr_add+0x30e/0xa40 [ 6443.609780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.609780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.609780][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.609780][ T7704] netlink_unicast+0x449/0x710 [ 6443.609780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.609780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.609780][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.609780][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.609780][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.609780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.609780][ T7704] [ 6443.612051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6443.612051][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.612051][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.612051][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.612051][ T7704] ip6_route_add+0x1c/0x140 [ 6443.612051][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6443.612051][ T7704] addrconf_add_dev+0xe2/0x170 [ 6443.612051][ T7704] inet6_addr_add+0x12f/0xa40 [ 6443.612051][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.612051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.612051][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.612051][ T7704] netlink_unicast+0x449/0x710 [ 6443.612051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.612051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.612051][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.612051][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.612051][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.612051][ T7704] [ 6443.614265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6443.614265][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6443.614265][ T7704] ipv6_find_idev+0x102/0x170 [ 6443.614265][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6443.614265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.614265][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.614265][ T7704] netlink_unicast+0x449/0x710 [ 6443.614265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.614265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.614265][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.614265][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.614265][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.614265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.614265][ T7704] [ 6443.616002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6443.616002][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6443.616002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6443.616002][ T7704] ipv6_find_idev+0x102/0x170 [ 6443.616002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6443.616002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.616002][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.616002][ T7704] netlink_unicast+0x449/0x710 [ 6443.616002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.616002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.616002][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.616002][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.616002][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.616002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.616002][ T7704] [ 6453.654952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6453.655460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6453.655460][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.655460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.655460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.655460][ T7704] ip6_route_add+0x1c/0x140 [ 6453.655460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6453.655460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6453.655460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.655460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.655460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.655460][ T7704] netlink_unicast+0x449/0x710 [ 6453.655460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.655460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.655460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.655460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.655460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.655460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.655460][ T7704] [ 6453.657748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6453.657748][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.657748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.657748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.657748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6453.657748][ T7704] ipv6_add_addr+0x411/0x2000 [ 6453.657748][ T7704] inet6_addr_add+0x30e/0xa40 [ 6453.657748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.657748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.657748][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.657748][ T7704] netlink_unicast+0x449/0x710 [ 6453.657748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.657748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.657748][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.657748][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.657748][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.657748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.657748][ T7704] [ 6453.659993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6453.659993][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.659993][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.659993][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.659993][ T7704] ip6_route_add+0x1c/0x140 [ 6453.659993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6453.659993][ T7704] addrconf_add_dev+0xe2/0x170 [ 6453.659993][ T7704] inet6_addr_add+0x12f/0xa40 [ 6453.659993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.659993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.659993][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.659993][ T7704] netlink_unicast+0x449/0x710 [ 6453.659993][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.659993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.659993][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.659993][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.659993][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.659993][ T7704] [ 6453.662188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6453.662188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6453.662188][ T7704] ipv6_find_idev+0x102/0x170 [ 6453.662188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6453.662188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.662188][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.662188][ T7704] netlink_unicast+0x449/0x710 [ 6453.662188][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.662188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.662188][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.662188][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.662188][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.662188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.662188][ T7704] [ 6453.663944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6453.663944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6453.663944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6453.663944][ T7704] ipv6_find_idev+0x102/0x170 [ 6453.663944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6453.663944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.663944][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.663944][ T7704] netlink_unicast+0x449/0x710 [ 6453.663944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.663944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.663944][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.663944][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.663944][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.663944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.663944][ T7704] [ 6463.902958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6463.903460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6463.903460][ T7704] netdev_get_by_index+0x5e/0x80 [ 6463.903460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6463.903460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6463.903460][ T7704] ip6_route_add+0x1c/0x140 [ 6463.903460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6463.903460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6463.903460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6463.903460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6463.903460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6463.903460][ T7704] netlink_unicast+0x449/0x710 [ 6463.903460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6463.903460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6463.903460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6463.903460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6463.903460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6463.903460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6463.903460][ T7704] [ 6463.905773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6463.905773][ T7704] netdev_get_by_index+0x5e/0x80 [ 6463.905773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6463.905773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6463.905773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6463.905773][ T7704] ipv6_add_addr+0x411/0x2000 [ 6463.905773][ T7704] inet6_addr_add+0x30e/0xa40 [ 6463.905773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6463.905773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6463.905773][ T7704] netlink_rcv_skb+0x130/0x360 [ 6463.905773][ T7704] netlink_unicast+0x449/0x710 [ 6463.905773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6463.905773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6463.905773][ T7704] ___sys_sendmsg+0xee/0x170 [ 6463.905773][ T7704] __sys_sendmsg+0xcd/0x170 [ 6463.905773][ T7704] do_syscall_64+0xc6/0x1e0 [ 6463.905773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6463.905773][ T7704] [ 6463.908054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6463.908054][ T7704] netdev_get_by_index+0x5e/0x80 [ 6463.908054][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6463.908054][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6463.908054][ T7704] ip6_route_add+0x1c/0x140 [ 6463.908054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6463.908054][ T7704] addrconf_add_dev+0xe2/0x170 [ 6463.908054][ T7704] inet6_addr_add+0x12f/0xa40 [ 6463.908054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6463.908054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6463.908054][ T7704] netlink_rcv_skb+0x130/0x360 [ 6463.908054][ T7704] netlink_unicast+0x449/0x710 [ 6463.908054][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6463.908054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6463.908054][ T7704] ___sys_sendmsg+0xee/0x170 [ 6463.908054][ T7704] __sys_sendmsg+0xcd/0x170 [ 6463.908054][ T7704] do_syscall_64+0xc6/0x1e0 [ 6463.908054][ T7704] [ 6463.910288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6463.910288][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6463.910288][ T7704] ipv6_find_idev+0x102/0x170 [ 6463.910288][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6463.910288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6463.910288][ T7704] netlink_rcv_skb+0x130/0x360 [ 6463.910288][ T7704] netlink_unicast+0x449/0x710 [ 6463.910288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6463.910288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6463.910288][ T7704] ___sys_sendmsg+0xee/0x170 [ 6463.910288][ T7704] __sys_sendmsg+0xcd/0x170 [ 6463.910288][ T7704] do_syscall_64+0xc6/0x1e0 [ 6463.910288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6463.910288][ T7704] [ 6463.912023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6463.912023][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6463.912023][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6463.912023][ T7704] ipv6_find_idev+0x102/0x170 [ 6463.912023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6463.912023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6463.912023][ T7704] netlink_rcv_skb+0x130/0x360 [ 6463.912023][ T7704] netlink_unicast+0x449/0x710 [ 6463.912023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6463.912023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6463.912023][ T7704] ___sys_sendmsg+0xee/0x170 [ 6463.912023][ T7704] __sys_sendmsg+0xcd/0x170 [ 6463.912023][ T7704] do_syscall_64+0xc6/0x1e0 [ 6463.912023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6463.912023][ T7704] [ 6473.918943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6473.919451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6473.919451][ T7704] netdev_get_by_index+0x5e/0x80 [ 6473.919451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6473.919451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6473.919451][ T7704] ip6_route_add+0x1c/0x140 [ 6473.919451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6473.919451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6473.919451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6473.919451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6473.919451][ T7704] netlink_rcv_skb+0x130/0x360 [ 6473.919451][ T7704] netlink_unicast+0x449/0x710 [ 6473.919451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6473.919451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6473.919451][ T7704] ___sys_sendmsg+0xee/0x170 [ 6473.919451][ T7704] __sys_sendmsg+0xcd/0x170 [ 6473.919451][ T7704] do_syscall_64+0xc6/0x1e0 [ 6473.919451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6473.919451][ T7704] [ 6473.922091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6473.922091][ T7704] netdev_get_by_index+0x5e/0x80 [ 6473.922091][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6473.922091][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6473.922091][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6473.922091][ T7704] ipv6_add_addr+0x411/0x2000 [ 6473.922091][ T7704] inet6_addr_add+0x30e/0xa40 [ 6473.922091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6473.922091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6473.922091][ T7704] netlink_rcv_skb+0x130/0x360 [ 6473.922091][ T7704] netlink_unicast+0x449/0x710 [ 6473.922091][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6473.922091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6473.922091][ T7704] ___sys_sendmsg+0xee/0x170 [ 6473.922091][ T7704] __sys_sendmsg+0xcd/0x170 [ 6473.922091][ T7704] do_syscall_64+0xc6/0x1e0 [ 6473.922091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6473.922091][ T7704] [ 6473.924439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6473.924439][ T7704] netdev_get_by_index+0x5e/0x80 [ 6473.924439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6473.924439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6473.924439][ T7704] ip6_route_add+0x1c/0x140 [ 6473.924439][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6473.924439][ T7704] addrconf_add_dev+0xe2/0x170 [ 6473.924439][ T7704] inet6_addr_add+0x12f/0xa40 [ 6473.924439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6473.924439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6473.924439][ T7704] netlink_rcv_skb+0x130/0x360 [ 6473.924439][ T7704] netlink_unicast+0x449/0x710 [ 6473.924439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6473.924439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6473.924439][ T7704] ___sys_sendmsg+0xee/0x170 [ 6473.924439][ T7704] __sys_sendmsg+0xcd/0x170 [ 6473.924439][ T7704] do_syscall_64+0xc6/0x1e0 [ 6473.924439][ T7704] [ 6473.926636][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6473.926636][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6473.926636][ T7704] ipv6_find_idev+0x102/0x170 [ 6473.926636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6473.926636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6473.926636][ T7704] netlink_rcv_skb+0x130/0x360 [ 6473.926636][ T7704] netlink_unicast+0x449/0x710 [ 6473.926636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6473.926636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6473.926636][ T7704] ___sys_sendmsg+0xee/0x170 [ 6473.926636][ T7704] __sys_sendmsg+0xcd/0x170 [ 6473.926636][ T7704] do_syscall_64+0xc6/0x1e0 [ 6473.926636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6473.926636][ T7704] [ 6473.928350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6473.928350][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6473.928350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6473.928350][ T7704] ipv6_find_idev+0x102/0x170 [ 6473.928350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6473.928350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6473.928350][ T7704] netlink_rcv_skb+0x130/0x360 [ 6473.928350][ T7704] netlink_unicast+0x449/0x710 [ 6473.928350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6473.928350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6473.928350][ T7704] ___sys_sendmsg+0xee/0x170 [ 6473.928350][ T7704] __sys_sendmsg+0xcd/0x170 [ 6473.928350][ T7704] do_syscall_64+0xc6/0x1e0 [ 6473.928350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6473.928350][ T7704] [ 6484.166936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6484.167399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6484.167399][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.167399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.167399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.167399][ T7704] ip6_route_add+0x1c/0x140 [ 6484.167399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6484.167399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6484.167399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.167399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.167399][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.167399][ T7704] netlink_unicast+0x449/0x710 [ 6484.167399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.167399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.167399][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.167399][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.167399][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.167399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.167399][ T7704] [ 6484.169654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6484.169654][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.169654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.169654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.169654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6484.169654][ T7704] ipv6_add_addr+0x411/0x2000 [ 6484.169654][ T7704] inet6_addr_add+0x30e/0xa40 [ 6484.169654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.169654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.169654][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.169654][ T7704] netlink_unicast+0x449/0x710 [ 6484.169654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.169654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.169654][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.169654][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.169654][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.169654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.169654][ T7704] [ 6484.171882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6484.171882][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.171882][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.171882][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.171882][ T7704] ip6_route_add+0x1c/0x140 [ 6484.171882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6484.171882][ T7704] addrconf_add_dev+0xe2/0x170 [ 6484.171882][ T7704] inet6_addr_add+0x12f/0xa40 [ 6484.171882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.171882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.171882][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.171882][ T7704] netlink_unicast+0x449/0x710 [ 6484.171882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.171882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.171882][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.171882][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.171882][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.171882][ T7704] [ 6484.174076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6484.174076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6484.174076][ T7704] ipv6_find_idev+0x102/0x170 [ 6484.174076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6484.174076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.174076][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.174076][ T7704] netlink_unicast+0x449/0x710 [ 6484.174076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.174076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.174076][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.174076][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.174076][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.174076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.174076][ T7704] [ 6484.175787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6484.175787][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6484.175787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6484.175787][ T7704] ipv6_find_idev+0x102/0x170 [ 6484.175787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6484.175787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.175787][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.175787][ T7704] netlink_unicast+0x449/0x710 [ 6484.175787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.175787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.175787][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.175787][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.175787][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.175787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.175787][ T7704] [ 6494.270943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6494.271444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6494.271444][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.271444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.271444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.271444][ T7704] ip6_route_add+0x1c/0x140 [ 6494.271444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6494.271444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6494.271444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.271444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.271444][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.271444][ T7704] netlink_unicast+0x449/0x710 [ 6494.271444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.271444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.271444][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.271444][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.271444][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.271444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.271444][ T7704] [ 6494.273752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6494.273752][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.273752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.273752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.273752][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6494.273752][ T7704] ipv6_add_addr+0x411/0x2000 [ 6494.273752][ T7704] inet6_addr_add+0x30e/0xa40 [ 6494.273752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.273752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.273752][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.273752][ T7704] netlink_unicast+0x449/0x710 [ 6494.273752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.273752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.273752][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.273752][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.273752][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.273752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.273752][ T7704] [ 6494.275997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6494.275997][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.275997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.275997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.275997][ T7704] ip6_route_add+0x1c/0x140 [ 6494.275997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6494.275997][ T7704] addrconf_add_dev+0xe2/0x170 [ 6494.275997][ T7704] inet6_addr_add+0x12f/0xa40 [ 6494.275997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.275997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.275997][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.275997][ T7704] netlink_unicast+0x449/0x710 [ 6494.275997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.275997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.275997][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.275997][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.275997][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.275997][ T7704] [ 6494.278206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6494.278206][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6494.278206][ T7704] ipv6_find_idev+0x102/0x170 [ 6494.278206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6494.278206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.278206][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.278206][ T7704] netlink_unicast+0x449/0x710 [ 6494.278206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.278206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.278206][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.278206][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.278206][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.278206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.278206][ T7704] [ 6494.279962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6494.279962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6494.279962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6494.279962][ T7704] ipv6_find_idev+0x102/0x170 [ 6494.279962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6494.279962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.279962][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.279962][ T7704] netlink_unicast+0x449/0x710 [ 6494.279962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.279962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.279962][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.279962][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.279962][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.279962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.279962][ T7704] [ 6504.518933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6504.519465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6504.519465][ T7704] netdev_get_by_index+0x5e/0x80 [ 6504.519465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6504.519465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6504.519465][ T7704] ip6_route_add+0x1c/0x140 [ 6504.519465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6504.519465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6504.519465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6504.519465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6504.519465][ T7704] netlink_rcv_skb+0x130/0x360 [ 6504.519465][ T7704] netlink_unicast+0x449/0x710 [ 6504.519465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6504.519465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6504.519465][ T7704] ___sys_sendmsg+0xee/0x170 [ 6504.519465][ T7704] __sys_sendmsg+0xcd/0x170 [ 6504.519465][ T7704] do_syscall_64+0xc6/0x1e0 [ 6504.519465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6504.519465][ T7704] [ 6504.521739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6504.521739][ T7704] netdev_get_by_index+0x5e/0x80 [ 6504.521739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6504.521739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6504.521739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6504.521739][ T7704] ipv6_add_addr+0x411/0x2000 [ 6504.521739][ T7704] inet6_addr_add+0x30e/0xa40 [ 6504.521739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6504.521739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6504.521739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6504.521739][ T7704] netlink_unicast+0x449/0x710 [ 6504.521739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6504.521739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6504.521739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6504.521739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6504.521739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6504.521739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6504.521739][ T7704] [ 6504.523964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6504.523964][ T7704] netdev_get_by_index+0x5e/0x80 [ 6504.523964][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6504.523964][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6504.523964][ T7704] ip6_route_add+0x1c/0x140 [ 6504.523964][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6504.523964][ T7704] addrconf_add_dev+0xe2/0x170 [ 6504.523964][ T7704] inet6_addr_add+0x12f/0xa40 [ 6504.523964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6504.523964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6504.523964][ T7704] netlink_rcv_skb+0x130/0x360 [ 6504.523964][ T7704] netlink_unicast+0x449/0x710 [ 6504.523964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6504.523964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6504.523964][ T7704] ___sys_sendmsg+0xee/0x170 [ 6504.523964][ T7704] __sys_sendmsg+0xcd/0x170 [ 6504.523964][ T7704] do_syscall_64+0xc6/0x1e0 [ 6504.523964][ T7704] [ 6504.526238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6504.526238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6504.526238][ T7704] ipv6_find_idev+0x102/0x170 [ 6504.526238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6504.526238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6504.526238][ T7704] netlink_rcv_skb+0x130/0x360 [ 6504.526238][ T7704] netlink_unicast+0x449/0x710 [ 6504.526238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6504.526238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6504.526238][ T7704] ___sys_sendmsg+0xee/0x170 [ 6504.526238][ T7704] __sys_sendmsg+0xcd/0x170 [ 6504.526238][ T7704] do_syscall_64+0xc6/0x1e0 [ 6504.526238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6504.526238][ T7704] [ 6504.527964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6504.527964][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6504.527964][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6504.527964][ T7704] ipv6_find_idev+0x102/0x170 [ 6504.527964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6504.527964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6504.527964][ T7704] netlink_rcv_skb+0x130/0x360 [ 6504.527964][ T7704] netlink_unicast+0x449/0x710 [ 6504.527964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6504.527964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6504.527964][ T7704] ___sys_sendmsg+0xee/0x170 [ 6504.527964][ T7704] __sys_sendmsg+0xcd/0x170 [ 6504.527964][ T7704] do_syscall_64+0xc6/0x1e0 [ 6504.527964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6504.527964][ T7704] [ 6514.766940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6514.767457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6514.767457][ T7704] netdev_get_by_index+0x5e/0x80 [ 6514.767457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6514.767457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6514.767457][ T7704] ip6_route_add+0x1c/0x140 [ 6514.767457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6514.767457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6514.767457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6514.767457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6514.767457][ T7704] netlink_rcv_skb+0x130/0x360 [ 6514.767457][ T7704] netlink_unicast+0x449/0x710 [ 6514.767457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6514.767457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6514.767457][ T7704] ___sys_sendmsg+0xee/0x170 [ 6514.767457][ T7704] __sys_sendmsg+0xcd/0x170 [ 6514.767457][ T7704] do_syscall_64+0xc6/0x1e0 [ 6514.767457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6514.767457][ T7704] [ 6514.769742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6514.769742][ T7704] netdev_get_by_index+0x5e/0x80 [ 6514.769742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6514.769742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6514.769742][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6514.769742][ T7704] ipv6_add_addr+0x411/0x2000 [ 6514.769742][ T7704] inet6_addr_add+0x30e/0xa40 [ 6514.769742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6514.769742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6514.769742][ T7704] netlink_rcv_skb+0x130/0x360 [ 6514.769742][ T7704] netlink_unicast+0x449/0x710 [ 6514.769742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6514.769742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6514.769742][ T7704] ___sys_sendmsg+0xee/0x170 [ 6514.769742][ T7704] __sys_sendmsg+0xcd/0x170 [ 6514.769742][ T7704] do_syscall_64+0xc6/0x1e0 [ 6514.769742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6514.769742][ T7704] [ 6514.771992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6514.771992][ T7704] netdev_get_by_index+0x5e/0x80 [ 6514.771992][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6514.771992][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6514.771992][ T7704] ip6_route_add+0x1c/0x140 [ 6514.771992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6514.771992][ T7704] addrconf_add_dev+0xe2/0x170 [ 6514.771992][ T7704] inet6_addr_add+0x12f/0xa40 [ 6514.771992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6514.771992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6514.771992][ T7704] netlink_rcv_skb+0x130/0x360 [ 6514.771992][ T7704] netlink_unicast+0x449/0x710 [ 6514.771992][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6514.771992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6514.771992][ T7704] ___sys_sendmsg+0xee/0x170 [ 6514.771992][ T7704] __sys_sendmsg+0xcd/0x170 [ 6514.771992][ T7704] do_syscall_64+0xc6/0x1e0 [ 6514.771992][ T7704] [ 6514.774186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6514.774186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6514.774186][ T7704] ipv6_find_idev+0x102/0x170 [ 6514.774186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6514.774186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6514.774186][ T7704] netlink_rcv_skb+0x130/0x360 [ 6514.774186][ T7704] netlink_unicast+0x449/0x710 [ 6514.774186][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6514.774186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6514.774186][ T7704] ___sys_sendmsg+0xee/0x170 [ 6514.774186][ T7704] __sys_sendmsg+0xcd/0x170 [ 6514.774186][ T7704] do_syscall_64+0xc6/0x1e0 [ 6514.774186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6514.774186][ T7704] [ 6514.775935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6514.775935][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6514.775935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6514.775935][ T7704] ipv6_find_idev+0x102/0x170 [ 6514.775935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6514.775935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6514.775935][ T7704] netlink_rcv_skb+0x130/0x360 [ 6514.775935][ T7704] netlink_unicast+0x449/0x710 [ 6514.775935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6514.775935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6514.775935][ T7704] ___sys_sendmsg+0xee/0x170 [ 6514.775935][ T7704] __sys_sendmsg+0xcd/0x170 [ 6514.775935][ T7704] do_syscall_64+0xc6/0x1e0 [ 6514.775935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6514.775935][ T7704] [ 6525.014933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6525.015448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6525.015448][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.015448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.015448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.015448][ T7704] ip6_route_add+0x1c/0x140 [ 6525.015448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6525.015448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6525.015448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.015448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.015448][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.015448][ T7704] netlink_unicast+0x449/0x710 [ 6525.015448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.015448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.015448][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.015448][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.015448][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.015448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.015448][ T7704] [ 6525.017731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6525.017731][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.017731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.017731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.017731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6525.017731][ T7704] ipv6_add_addr+0x411/0x2000 [ 6525.017731][ T7704] inet6_addr_add+0x30e/0xa40 [ 6525.017731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.017731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.017731][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.017731][ T7704] netlink_unicast+0x449/0x710 [ 6525.017731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.017731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.017731][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.017731][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.017731][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.017731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.017731][ T7704] [ 6525.019996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6525.019996][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.019996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.019996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.019996][ T7704] ip6_route_add+0x1c/0x140 [ 6525.019996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6525.019996][ T7704] addrconf_add_dev+0xe2/0x170 [ 6525.019996][ T7704] inet6_addr_add+0x12f/0xa40 [ 6525.019996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.019996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.019996][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.019996][ T7704] netlink_unicast+0x449/0x710 [ 6525.019996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.019996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.019996][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.019996][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.019996][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.019996][ T7704] [ 6525.022193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6525.022193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6525.022193][ T7704] ipv6_find_idev+0x102/0x170 [ 6525.022193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6525.022193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.022193][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.022193][ T7704] netlink_unicast+0x449/0x710 [ 6525.022193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.022193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.022193][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.022193][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.022193][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.022193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.022193][ T7704] [ 6525.023910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6525.023910][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6525.023910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6525.023910][ T7704] ipv6_find_idev+0x102/0x170 [ 6525.023910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6525.023910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.023910][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.023910][ T7704] netlink_unicast+0x449/0x710 [ 6525.023910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.023910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.023910][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.023910][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.023910][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.023910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.023910][ T7704] [ 6535.246955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6535.247465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6535.247465][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.247465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.247465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.247465][ T7704] ip6_route_add+0x1c/0x140 [ 6535.247465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6535.247465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6535.247465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.247465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.247465][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.247465][ T7704] netlink_unicast+0x449/0x710 [ 6535.247465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.247465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.247465][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.247465][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.247465][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.247465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.247465][ T7704] [ 6535.249777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6535.249777][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.249777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.249777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.249777][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6535.249777][ T7704] ipv6_add_addr+0x411/0x2000 [ 6535.249777][ T7704] inet6_addr_add+0x30e/0xa40 [ 6535.249777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.249777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.249777][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.249777][ T7704] netlink_unicast+0x449/0x710 [ 6535.249777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.249777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.249777][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.249777][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.249777][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.249777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.249777][ T7704] [ 6535.252018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6535.252018][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.252018][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.252018][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.252018][ T7704] ip6_route_add+0x1c/0x140 [ 6535.252018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6535.252018][ T7704] addrconf_add_dev+0xe2/0x170 [ 6535.252018][ T7704] inet6_addr_add+0x12f/0xa40 [ 6535.252018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.252018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.252018][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.252018][ T7704] netlink_unicast+0x449/0x710 [ 6535.252018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.252018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.252018][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.252018][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.252018][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.252018][ T7704] [ 6535.254234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6535.254234][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6535.254234][ T7704] ipv6_find_idev+0x102/0x170 [ 6535.254234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6535.254234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.254234][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.254234][ T7704] netlink_unicast+0x449/0x710 [ 6535.254234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.254234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.254234][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.254234][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.254234][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.254234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.254234][ T7704] [ 6535.255955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6535.255955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6535.255955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6535.255955][ T7704] ipv6_find_idev+0x102/0x170 [ 6535.255955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6535.255955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.255955][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.255955][ T7704] netlink_unicast+0x449/0x710 [ 6535.255955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.255955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.255955][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.255955][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.255955][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.255955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.255955][ T7704] [ 6545.494954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6545.495480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6545.495480][ T7704] netdev_get_by_index+0x5e/0x80 [ 6545.495480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6545.495480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6545.495480][ T7704] ip6_route_add+0x1c/0x140 [ 6545.495480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6545.495480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6545.495480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6545.495480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6545.495480][ T7704] netlink_rcv_skb+0x130/0x360 [ 6545.495480][ T7704] netlink_unicast+0x449/0x710 [ 6545.495480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6545.495480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6545.495480][ T7704] ___sys_sendmsg+0xee/0x170 [ 6545.495480][ T7704] __sys_sendmsg+0xcd/0x170 [ 6545.495480][ T7704] do_syscall_64+0xc6/0x1e0 [ 6545.495480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6545.495480][ T7704] [ 6545.497746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6545.497746][ T7704] netdev_get_by_index+0x5e/0x80 [ 6545.497746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6545.497746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6545.497746][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6545.497746][ T7704] ipv6_add_addr+0x411/0x2000 [ 6545.497746][ T7704] inet6_addr_add+0x30e/0xa40 [ 6545.497746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6545.497746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6545.497746][ T7704] netlink_rcv_skb+0x130/0x360 [ 6545.497746][ T7704] netlink_unicast+0x449/0x710 [ 6545.497746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6545.497746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6545.497746][ T7704] ___sys_sendmsg+0xee/0x170 [ 6545.497746][ T7704] __sys_sendmsg+0xcd/0x170 [ 6545.497746][ T7704] do_syscall_64+0xc6/0x1e0 [ 6545.497746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6545.497746][ T7704] [ 6545.500003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6545.500003][ T7704] netdev_get_by_index+0x5e/0x80 [ 6545.500003][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6545.500003][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6545.500003][ T7704] ip6_route_add+0x1c/0x140 [ 6545.500003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6545.500003][ T7704] addrconf_add_dev+0xe2/0x170 [ 6545.500003][ T7704] inet6_addr_add+0x12f/0xa40 [ 6545.500003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6545.500003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6545.500003][ T7704] netlink_rcv_skb+0x130/0x360 [ 6545.500003][ T7704] netlink_unicast+0x449/0x710 [ 6545.500003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6545.500003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6545.500003][ T7704] ___sys_sendmsg+0xee/0x170 [ 6545.500003][ T7704] __sys_sendmsg+0xcd/0x170 [ 6545.500003][ T7704] do_syscall_64+0xc6/0x1e0 [ 6545.500003][ T7704] [ 6545.502205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6545.502205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6545.502205][ T7704] ipv6_find_idev+0x102/0x170 [ 6545.502205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6545.502205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6545.502205][ T7704] netlink_rcv_skb+0x130/0x360 [ 6545.502205][ T7704] netlink_unicast+0x449/0x710 [ 6545.502205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6545.502205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6545.502205][ T7704] ___sys_sendmsg+0xee/0x170 [ 6545.502205][ T7704] __sys_sendmsg+0xcd/0x170 [ 6545.502205][ T7704] do_syscall_64+0xc6/0x1e0 [ 6545.502205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6545.502205][ T7704] [ 6545.503915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6545.503915][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6545.503915][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6545.503915][ T7704] ipv6_find_idev+0x102/0x170 [ 6545.503915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6545.503915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6545.503915][ T7704] netlink_rcv_skb+0x130/0x360 [ 6545.503915][ T7704] netlink_unicast+0x449/0x710 [ 6545.503915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6545.503915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6545.503915][ T7704] ___sys_sendmsg+0xee/0x170 [ 6545.503915][ T7704] __sys_sendmsg+0xcd/0x170 [ 6545.503915][ T7704] do_syscall_64+0xc6/0x1e0 [ 6545.503915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6545.503915][ T7704] [ 6555.742935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6555.743460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6555.743460][ T7704] netdev_get_by_index+0x5e/0x80 [ 6555.743460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6555.743460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6555.743460][ T7704] ip6_route_add+0x1c/0x140 [ 6555.743460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6555.743460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6555.743460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6555.743460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6555.743460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6555.743460][ T7704] netlink_unicast+0x449/0x710 [ 6555.743460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6555.743460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6555.743460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6555.743460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6555.743460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6555.743460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6555.743460][ T7704] [ 6555.745742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6555.745742][ T7704] netdev_get_by_index+0x5e/0x80 [ 6555.745742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6555.745742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6555.745742][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6555.745742][ T7704] ipv6_add_addr+0x411/0x2000 [ 6555.745742][ T7704] inet6_addr_add+0x30e/0xa40 [ 6555.745742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6555.745742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6555.745742][ T7704] netlink_rcv_skb+0x130/0x360 [ 6555.745742][ T7704] netlink_unicast+0x449/0x710 [ 6555.745742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6555.745742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6555.745742][ T7704] ___sys_sendmsg+0xee/0x170 [ 6555.745742][ T7704] __sys_sendmsg+0xcd/0x170 [ 6555.745742][ T7704] do_syscall_64+0xc6/0x1e0 [ 6555.745742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6555.745742][ T7704] [ 6555.747993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6555.747993][ T7704] netdev_get_by_index+0x5e/0x80 [ 6555.747993][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6555.747993][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6555.747993][ T7704] ip6_route_add+0x1c/0x140 [ 6555.747993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6555.747993][ T7704] addrconf_add_dev+0xe2/0x170 [ 6555.747993][ T7704] inet6_addr_add+0x12f/0xa40 [ 6555.747993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6555.747993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6555.747993][ T7704] netlink_rcv_skb+0x130/0x360 [ 6555.747993][ T7704] netlink_unicast+0x449/0x710 [ 6555.747993][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6555.747993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6555.747993][ T7704] ___sys_sendmsg+0xee/0x170 [ 6555.747993][ T7704] __sys_sendmsg+0xcd/0x170 [ 6555.747993][ T7704] do_syscall_64+0xc6/0x1e0 [ 6555.747993][ T7704] [ 6555.750218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6555.750218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6555.750218][ T7704] ipv6_find_idev+0x102/0x170 [ 6555.750218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6555.750218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6555.750218][ T7704] netlink_rcv_skb+0x130/0x360 [ 6555.750218][ T7704] netlink_unicast+0x449/0x710 [ 6555.750218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6555.750218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6555.750218][ T7704] ___sys_sendmsg+0xee/0x170 [ 6555.750218][ T7704] __sys_sendmsg+0xcd/0x170 [ 6555.750218][ T7704] do_syscall_64+0xc6/0x1e0 [ 6555.750218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6555.750218][ T7704] [ 6555.751940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6555.751940][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6555.751940][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6555.751940][ T7704] ipv6_find_idev+0x102/0x170 [ 6555.751940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6555.751940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6555.751940][ T7704] netlink_rcv_skb+0x130/0x360 [ 6555.751940][ T7704] netlink_unicast+0x449/0x710 [ 6555.751940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6555.751940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6555.751940][ T7704] ___sys_sendmsg+0xee/0x170 [ 6555.751940][ T7704] __sys_sendmsg+0xcd/0x170 [ 6555.751940][ T7704] do_syscall_64+0xc6/0x1e0 [ 6555.751940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6555.751940][ T7704] [ 6565.830950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6565.831472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6565.831472][ T7704] netdev_get_by_index+0x5e/0x80 [ 6565.831472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6565.831472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6565.831472][ T7704] ip6_route_add+0x1c/0x140 [ 6565.831472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6565.831472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6565.831472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6565.831472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6565.831472][ T7704] netlink_rcv_skb+0x130/0x360 [ 6565.831472][ T7704] netlink_unicast+0x449/0x710 [ 6565.831472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6565.831472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6565.831472][ T7704] ___sys_sendmsg+0xee/0x170 [ 6565.831472][ T7704] __sys_sendmsg+0xcd/0x170 [ 6565.831472][ T7704] do_syscall_64+0xc6/0x1e0 [ 6565.831472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6565.831472][ T7704] [ 6565.833743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6565.833743][ T7704] netdev_get_by_index+0x5e/0x80 [ 6565.833743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6565.833743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6565.833743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6565.833743][ T7704] ipv6_add_addr+0x411/0x2000 [ 6565.833743][ T7704] inet6_addr_add+0x30e/0xa40 [ 6565.833743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6565.833743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6565.833743][ T7704] netlink_rcv_skb+0x130/0x360 [ 6565.833743][ T7704] netlink_unicast+0x449/0x710 [ 6565.833743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6565.833743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6565.833743][ T7704] ___sys_sendmsg+0xee/0x170 [ 6565.833743][ T7704] __sys_sendmsg+0xcd/0x170 [ 6565.833743][ T7704] do_syscall_64+0xc6/0x1e0 [ 6565.833743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6565.833743][ T7704] [ 6565.836080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6565.836080][ T7704] netdev_get_by_index+0x5e/0x80 [ 6565.836080][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6565.836080][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6565.836080][ T7704] ip6_route_add+0x1c/0x140 [ 6565.836080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6565.836080][ T7704] addrconf_add_dev+0xe2/0x170 [ 6565.836080][ T7704] inet6_addr_add+0x12f/0xa40 [ 6565.836080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6565.836080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6565.836080][ T7704] netlink_rcv_skb+0x130/0x360 [ 6565.836080][ T7704] netlink_unicast+0x449/0x710 [ 6565.836080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6565.836080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6565.836080][ T7704] ___sys_sendmsg+0xee/0x170 [ 6565.836080][ T7704] __sys_sendmsg+0xcd/0x170 [ 6565.836080][ T7704] do_syscall_64+0xc6/0x1e0 [ 6565.836080][ T7704] [ 6565.838290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6565.838290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6565.838290][ T7704] ipv6_find_idev+0x102/0x170 [ 6565.838290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6565.838290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6565.838290][ T7704] netlink_rcv_skb+0x130/0x360 [ 6565.838290][ T7704] netlink_unicast+0x449/0x710 [ 6565.838290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6565.838290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6565.838290][ T7704] ___sys_sendmsg+0xee/0x170 [ 6565.838290][ T7704] __sys_sendmsg+0xcd/0x170 [ 6565.838290][ T7704] do_syscall_64+0xc6/0x1e0 [ 6565.838290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6565.838290][ T7704] [ 6565.840574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6565.840574][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6565.840574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6565.840574][ T7704] ipv6_find_idev+0x102/0x170 [ 6565.840574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6565.840574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6565.840574][ T7704] netlink_rcv_skb+0x130/0x360 [ 6565.840574][ T7704] netlink_unicast+0x449/0x710 [ 6565.840574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6565.840574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6565.840574][ T7704] ___sys_sendmsg+0xee/0x170 [ 6565.840574][ T7704] __sys_sendmsg+0xcd/0x170 [ 6565.840574][ T7704] do_syscall_64+0xc6/0x1e0 [ 6565.840574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6565.840574][ T7704] [ 6576.086968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6576.087454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6576.087454][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.087454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.087454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.087454][ T7704] ip6_route_add+0x1c/0x140 [ 6576.087454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6576.087454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6576.087454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.087454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.087454][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.087454][ T7704] netlink_unicast+0x449/0x710 [ 6576.087454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.087454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.087454][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.087454][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.087454][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.087454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.087454][ T7704] [ 6576.089804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6576.089804][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.089804][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.089804][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.089804][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6576.089804][ T7704] ipv6_add_addr+0x411/0x2000 [ 6576.089804][ T7704] inet6_addr_add+0x30e/0xa40 [ 6576.089804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.089804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.089804][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.089804][ T7704] netlink_unicast+0x449/0x710 [ 6576.089804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.089804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.089804][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.089804][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.089804][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.089804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.089804][ T7704] [ 6576.092093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6576.092093][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.092093][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.092093][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.092093][ T7704] ip6_route_add+0x1c/0x140 [ 6576.092093][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6576.092093][ T7704] addrconf_add_dev+0xe2/0x170 [ 6576.092093][ T7704] inet6_addr_add+0x12f/0xa40 [ 6576.092093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.092093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.092093][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.092093][ T7704] netlink_unicast+0x449/0x710 [ 6576.092093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.092093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.092093][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.092093][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.092093][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.092093][ T7704] [ 6576.094354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6576.094354][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6576.094354][ T7704] ipv6_find_idev+0x102/0x170 [ 6576.094354][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6576.094354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.094354][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.094354][ T7704] netlink_unicast+0x449/0x710 [ 6576.094354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.094354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.094354][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.094354][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.094354][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.094354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.094354][ T7704] [ 6576.096117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6576.096117][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6576.096117][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6576.096117][ T7704] ipv6_find_idev+0x102/0x170 [ 6576.096117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6576.096117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.096117][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.096117][ T7704] netlink_unicast+0x449/0x710 [ 6576.096117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.096117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.096117][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.096117][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.096117][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.096117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.096117][ T7704] [ 6586.102962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6586.103502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6586.103502][ T7704] netdev_get_by_index+0x5e/0x80 [ 6586.103502][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6586.103502][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6586.103502][ T7704] ip6_route_add+0x1c/0x140 [ 6586.103502][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6586.103502][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6586.103502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6586.103502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6586.103502][ T7704] netlink_rcv_skb+0x130/0x360 [ 6586.103502][ T7704] netlink_unicast+0x449/0x710 [ 6586.103502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6586.103502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6586.103502][ T7704] ___sys_sendmsg+0xee/0x170 [ 6586.103502][ T7704] __sys_sendmsg+0xcd/0x170 [ 6586.103502][ T7704] do_syscall_64+0xc6/0x1e0 [ 6586.103502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6586.103502][ T7704] [ 6586.108172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6586.108172][ T7704] netdev_get_by_index+0x5e/0x80 [ 6586.108172][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6586.108172][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6586.108172][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6586.108172][ T7704] ipv6_add_addr+0x411/0x2000 [ 6586.108172][ T7704] inet6_addr_add+0x30e/0xa40 [ 6586.108172][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6586.108172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6586.108172][ T7704] netlink_rcv_skb+0x130/0x360 [ 6586.108172][ T7704] netlink_unicast+0x449/0x710 [ 6586.108172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6586.108172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6586.108172][ T7704] ___sys_sendmsg+0xee/0x170 [ 6586.108172][ T7704] __sys_sendmsg+0xcd/0x170 [ 6586.108172][ T7704] do_syscall_64+0xc6/0x1e0 [ 6586.108172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6586.108172][ T7704] [ 6586.110458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6586.110458][ T7704] netdev_get_by_index+0x5e/0x80 [ 6586.110458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6586.110458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6586.110458][ T7704] ip6_route_add+0x1c/0x140 [ 6586.110458][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6586.110458][ T7704] addrconf_add_dev+0xe2/0x170 [ 6586.110458][ T7704] inet6_addr_add+0x12f/0xa40 [ 6586.110458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6586.110458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6586.110458][ T7704] netlink_rcv_skb+0x130/0x360 [ 6586.110458][ T7704] netlink_unicast+0x449/0x710 [ 6586.110458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6586.110458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6586.110458][ T7704] ___sys_sendmsg+0xee/0x170 [ 6586.110458][ T7704] __sys_sendmsg+0xcd/0x170 [ 6586.110458][ T7704] do_syscall_64+0xc6/0x1e0 [ 6586.110458][ T7704] [ 6586.112691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6586.112691][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6586.112691][ T7704] ipv6_find_idev+0x102/0x170 [ 6586.112691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6586.112691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6586.112691][ T7704] netlink_rcv_skb+0x130/0x360 [ 6586.112691][ T7704] netlink_unicast+0x449/0x710 [ 6586.112691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6586.112691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6586.112691][ T7704] ___sys_sendmsg+0xee/0x170 [ 6586.112691][ T7704] __sys_sendmsg+0xcd/0x170 [ 6586.112691][ T7704] do_syscall_64+0xc6/0x1e0 [ 6586.112691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6586.112691][ T7704] [ 6586.114435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6586.114435][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6586.114435][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6586.114435][ T7704] ipv6_find_idev+0x102/0x170 [ 6586.114435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6586.114435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6586.114435][ T7704] netlink_rcv_skb+0x130/0x360 [ 6586.114435][ T7704] netlink_unicast+0x449/0x710 [ 6586.114435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6586.114435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6586.114435][ T7704] ___sys_sendmsg+0xee/0x170 [ 6586.114435][ T7704] __sys_sendmsg+0xcd/0x170 [ 6586.114435][ T7704] do_syscall_64+0xc6/0x1e0 [ 6586.114435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6586.114435][ T7704] [ 6596.238937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6596.239489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6596.239489][ T7704] netdev_get_by_index+0x5e/0x80 [ 6596.239489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6596.239489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6596.239489][ T7704] ip6_route_add+0x1c/0x140 [ 6596.239489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6596.239489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6596.239489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6596.239489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6596.239489][ T7704] netlink_rcv_skb+0x130/0x360 [ 6596.239489][ T7704] netlink_unicast+0x449/0x710 [ 6596.239489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6596.239489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6596.239489][ T7704] ___sys_sendmsg+0xee/0x170 [ 6596.239489][ T7704] __sys_sendmsg+0xcd/0x170 [ 6596.239489][ T7704] do_syscall_64+0xc6/0x1e0 [ 6596.239489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6596.239489][ T7704] [ 6596.241779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6596.241779][ T7704] netdev_get_by_index+0x5e/0x80 [ 6596.241779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6596.241779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6596.241779][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6596.241779][ T7704] ipv6_add_addr+0x411/0x2000 [ 6596.241779][ T7704] inet6_addr_add+0x30e/0xa40 [ 6596.241779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6596.241779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6596.241779][ T7704] netlink_rcv_skb+0x130/0x360 [ 6596.241779][ T7704] netlink_unicast+0x449/0x710 [ 6596.241779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6596.241779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6596.241779][ T7704] ___sys_sendmsg+0xee/0x170 [ 6596.241779][ T7704] __sys_sendmsg+0xcd/0x170 [ 6596.241779][ T7704] do_syscall_64+0xc6/0x1e0 [ 6596.241779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6596.241779][ T7704] [ 6596.244048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6596.244048][ T7704] netdev_get_by_index+0x5e/0x80 [ 6596.244048][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6596.244048][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6596.244048][ T7704] ip6_route_add+0x1c/0x140 [ 6596.244048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6596.244048][ T7704] addrconf_add_dev+0xe2/0x170 [ 6596.244048][ T7704] inet6_addr_add+0x12f/0xa40 [ 6596.244048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6596.244048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6596.244048][ T7704] netlink_rcv_skb+0x130/0x360 [ 6596.244048][ T7704] netlink_unicast+0x449/0x710 [ 6596.244048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6596.244048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6596.244048][ T7704] ___sys_sendmsg+0xee/0x170 [ 6596.244048][ T7704] __sys_sendmsg+0xcd/0x170 [ 6596.244048][ T7704] do_syscall_64+0xc6/0x1e0 [ 6596.244048][ T7704] [ 6596.246287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6596.246287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6596.246287][ T7704] ipv6_find_idev+0x102/0x170 [ 6596.246287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6596.246287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6596.246287][ T7704] netlink_rcv_skb+0x130/0x360 [ 6596.246287][ T7704] netlink_unicast+0x449/0x710 [ 6596.246287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6596.246287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6596.246287][ T7704] ___sys_sendmsg+0xee/0x170 [ 6596.246287][ T7704] __sys_sendmsg+0xcd/0x170 [ 6596.246287][ T7704] do_syscall_64+0xc6/0x1e0 [ 6596.246287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6596.246287][ T7704] [ 6596.248025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6596.248025][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6596.248025][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6596.248025][ T7704] ipv6_find_idev+0x102/0x170 [ 6596.248025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6596.248025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6596.248025][ T7704] netlink_rcv_skb+0x130/0x360 [ 6596.248025][ T7704] netlink_unicast+0x449/0x710 [ 6596.248025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6596.248025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6596.248025][ T7704] ___sys_sendmsg+0xee/0x170 [ 6596.248025][ T7704] __sys_sendmsg+0xcd/0x170 [ 6596.248025][ T7704] do_syscall_64+0xc6/0x1e0 [ 6596.248025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6596.248025][ T7704] [ 6606.486943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6606.487471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6606.487471][ T7704] netdev_get_by_index+0x5e/0x80 [ 6606.487471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6606.487471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6606.487471][ T7704] ip6_route_add+0x1c/0x140 [ 6606.487471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6606.487471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6606.487471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6606.487471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6606.487471][ T7704] netlink_rcv_skb+0x130/0x360 [ 6606.487471][ T7704] netlink_unicast+0x449/0x710 [ 6606.487471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6606.487471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6606.487471][ T7704] ___sys_sendmsg+0xee/0x170 [ 6606.487471][ T7704] __sys_sendmsg+0xcd/0x170 [ 6606.487471][ T7704] do_syscall_64+0xc6/0x1e0 [ 6606.487471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6606.487471][ T7704] [ 6606.490249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6606.490249][ T7704] netdev_get_by_index+0x5e/0x80 [ 6606.490249][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6606.490249][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6606.490249][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6606.490249][ T7704] ipv6_add_addr+0x411/0x2000 [ 6606.490249][ T7704] inet6_addr_add+0x30e/0xa40 [ 6606.490249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6606.490249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6606.490249][ T7704] netlink_rcv_skb+0x130/0x360 [ 6606.490249][ T7704] netlink_unicast+0x449/0x710 [ 6606.490249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6606.490249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6606.490249][ T7704] ___sys_sendmsg+0xee/0x170 [ 6606.490249][ T7704] __sys_sendmsg+0xcd/0x170 [ 6606.490249][ T7704] do_syscall_64+0xc6/0x1e0 [ 6606.490249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6606.490249][ T7704] [ 6606.492980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6606.492980][ T7704] netdev_get_by_index+0x5e/0x80 [ 6606.492980][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6606.492980][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6606.492980][ T7704] ip6_route_add+0x1c/0x140 [ 6606.492980][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6606.492980][ T7704] addrconf_add_dev+0xe2/0x170 [ 6606.492980][ T7704] inet6_addr_add+0x12f/0xa40 [ 6606.492980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6606.492980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6606.492980][ T7704] netlink_rcv_skb+0x130/0x360 [ 6606.492980][ T7704] netlink_unicast+0x449/0x710 [ 6606.492980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6606.492980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6606.492980][ T7704] ___sys_sendmsg+0xee/0x170 [ 6606.492980][ T7704] __sys_sendmsg+0xcd/0x170 [ 6606.492980][ T7704] do_syscall_64+0xc6/0x1e0 [ 6606.492980][ T7704] [ 6606.495664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6606.495664][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6606.495664][ T7704] ipv6_find_idev+0x102/0x170 [ 6606.495664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6606.495664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6606.495664][ T7704] netlink_rcv_skb+0x130/0x360 [ 6606.495664][ T7704] netlink_unicast+0x449/0x710 [ 6606.495664][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6606.495664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6606.495664][ T7704] ___sys_sendmsg+0xee/0x170 [ 6606.495664][ T7704] __sys_sendmsg+0xcd/0x170 [ 6606.495664][ T7704] do_syscall_64+0xc6/0x1e0 [ 6606.495664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6606.495664][ T7704] [ 6606.497768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6606.497768][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6606.497768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6606.497768][ T7704] ipv6_find_idev+0x102/0x170 [ 6606.497768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6606.497768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6606.497768][ T7704] netlink_rcv_skb+0x130/0x360 [ 6606.497768][ T7704] netlink_unicast+0x449/0x710 [ 6606.497768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6606.497768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6606.497768][ T7704] ___sys_sendmsg+0xee/0x170 [ 6606.497768][ T7704] __sys_sendmsg+0xcd/0x170 [ 6606.497768][ T7704] do_syscall_64+0xc6/0x1e0 [ 6606.497768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6606.497768][ T7704] [ 6616.526957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6616.527398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6616.527398][ T7704] netdev_get_by_index+0x5e/0x80 [ 6616.527398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6616.527398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6616.527398][ T7704] ip6_route_add+0x1c/0x140 [ 6616.527398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6616.527398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6616.527398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6616.527398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6616.527398][ T7704] netlink_rcv_skb+0x130/0x360 [ 6616.527398][ T7704] netlink_unicast+0x449/0x710 [ 6616.527398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6616.527398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6616.527398][ T7704] ___sys_sendmsg+0xee/0x170 [ 6616.527398][ T7704] __sys_sendmsg+0xcd/0x170 [ 6616.527398][ T7704] do_syscall_64+0xc6/0x1e0 [ 6616.527398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6616.527398][ T7704] [ 6616.529710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6616.529710][ T7704] netdev_get_by_index+0x5e/0x80 [ 6616.529710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6616.529710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6616.529710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6616.529710][ T7704] ipv6_add_addr+0x411/0x2000 [ 6616.529710][ T7704] inet6_addr_add+0x30e/0xa40 [ 6616.529710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6616.529710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6616.529710][ T7704] netlink_rcv_skb+0x130/0x360 [ 6616.529710][ T7704] netlink_unicast+0x449/0x710 [ 6616.529710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6616.529710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6616.529710][ T7704] ___sys_sendmsg+0xee/0x170 [ 6616.529710][ T7704] __sys_sendmsg+0xcd/0x170 [ 6616.529710][ T7704] do_syscall_64+0xc6/0x1e0 [ 6616.529710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6616.529710][ T7704] [ 6616.531951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6616.531951][ T7704] netdev_get_by_index+0x5e/0x80 [ 6616.531951][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6616.531951][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6616.531951][ T7704] ip6_route_add+0x1c/0x140 [ 6616.531951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6616.531951][ T7704] addrconf_add_dev+0xe2/0x170 [ 6616.531951][ T7704] inet6_addr_add+0x12f/0xa40 [ 6616.531951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6616.531951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6616.531951][ T7704] netlink_rcv_skb+0x130/0x360 [ 6616.531951][ T7704] netlink_unicast+0x449/0x710 [ 6616.531951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6616.531951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6616.531951][ T7704] ___sys_sendmsg+0xee/0x170 [ 6616.531951][ T7704] __sys_sendmsg+0xcd/0x170 [ 6616.531951][ T7704] do_syscall_64+0xc6/0x1e0 [ 6616.531951][ T7704] [ 6616.534169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6616.534169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6616.534169][ T7704] ipv6_find_idev+0x102/0x170 [ 6616.534169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6616.534169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6616.534169][ T7704] netlink_rcv_skb+0x130/0x360 [ 6616.534169][ T7704] netlink_unicast+0x449/0x710 [ 6616.534169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6616.534169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6616.534169][ T7704] ___sys_sendmsg+0xee/0x170 [ 6616.534169][ T7704] __sys_sendmsg+0xcd/0x170 [ 6616.534169][ T7704] do_syscall_64+0xc6/0x1e0 [ 6616.534169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6616.534169][ T7704] [ 6616.535892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6616.535892][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6616.535892][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6616.535892][ T7704] ipv6_find_idev+0x102/0x170 [ 6616.535892][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6616.535892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6616.535892][ T7704] netlink_rcv_skb+0x130/0x360 [ 6616.535892][ T7704] netlink_unicast+0x449/0x710 [ 6616.535892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6616.535892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6616.535892][ T7704] ___sys_sendmsg+0xee/0x170 [ 6616.535892][ T7704] __sys_sendmsg+0xcd/0x170 [ 6616.535892][ T7704] do_syscall_64+0xc6/0x1e0 [ 6616.535892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6616.535892][ T7704] [ 6626.782962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6626.783413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6626.783413][ T7704] netdev_get_by_index+0x5e/0x80 [ 6626.783413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6626.783413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6626.783413][ T7704] ip6_route_add+0x1c/0x140 [ 6626.783413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6626.783413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6626.783413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6626.783413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6626.783413][ T7704] netlink_rcv_skb+0x130/0x360 [ 6626.783413][ T7704] netlink_unicast+0x449/0x710 [ 6626.783413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6626.783413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6626.783413][ T7704] ___sys_sendmsg+0xee/0x170 [ 6626.783413][ T7704] __sys_sendmsg+0xcd/0x170 [ 6626.783413][ T7704] do_syscall_64+0xc6/0x1e0 [ 6626.783413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6626.783413][ T7704] [ 6626.785689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6626.785689][ T7704] netdev_get_by_index+0x5e/0x80 [ 6626.785689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6626.785689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6626.785689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6626.785689][ T7704] ipv6_add_addr+0x411/0x2000 [ 6626.785689][ T7704] inet6_addr_add+0x30e/0xa40 [ 6626.785689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6626.785689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6626.785689][ T7704] netlink_rcv_skb+0x130/0x360 [ 6626.785689][ T7704] netlink_unicast+0x449/0x710 [ 6626.785689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6626.785689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6626.785689][ T7704] ___sys_sendmsg+0xee/0x170 [ 6626.785689][ T7704] __sys_sendmsg+0xcd/0x170 [ 6626.785689][ T7704] do_syscall_64+0xc6/0x1e0 [ 6626.785689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6626.785689][ T7704] [ 6626.788055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6626.788055][ T7704] netdev_get_by_index+0x5e/0x80 [ 6626.788055][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6626.788055][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6626.788055][ T7704] ip6_route_add+0x1c/0x140 [ 6626.788055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6626.788055][ T7704] addrconf_add_dev+0xe2/0x170 [ 6626.788055][ T7704] inet6_addr_add+0x12f/0xa40 [ 6626.788055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6626.788055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6626.788055][ T7704] netlink_rcv_skb+0x130/0x360 [ 6626.788055][ T7704] netlink_unicast+0x449/0x710 [ 6626.788055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6626.788055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6626.788055][ T7704] ___sys_sendmsg+0xee/0x170 [ 6626.788055][ T7704] __sys_sendmsg+0xcd/0x170 [ 6626.788055][ T7704] do_syscall_64+0xc6/0x1e0 [ 6626.788055][ T7704] [ 6626.790269][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6626.790269][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6626.790269][ T7704] ipv6_find_idev+0x102/0x170 [ 6626.790269][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6626.790269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6626.790269][ T7704] netlink_rcv_skb+0x130/0x360 [ 6626.790269][ T7704] netlink_unicast+0x449/0x710 [ 6626.790269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6626.790269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6626.790269][ T7704] ___sys_sendmsg+0xee/0x170 [ 6626.790269][ T7704] __sys_sendmsg+0xcd/0x170 [ 6626.790269][ T7704] do_syscall_64+0xc6/0x1e0 [ 6626.790269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6626.790269][ T7704] [ 6626.792083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6626.792083][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6626.792083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6626.792083][ T7704] ipv6_find_idev+0x102/0x170 [ 6626.792083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6626.792083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6626.792083][ T7704] netlink_rcv_skb+0x130/0x360 [ 6626.792083][ T7704] netlink_unicast+0x449/0x710 [ 6626.792083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6626.792083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6626.792083][ T7704] ___sys_sendmsg+0xee/0x170 [ 6626.792083][ T7704] __sys_sendmsg+0xcd/0x170 [ 6626.792083][ T7704] do_syscall_64+0xc6/0x1e0 [ 6626.792083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6626.792083][ T7704] [ 6636.806945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6636.807446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6636.807446][ T7704] netdev_get_by_index+0x5e/0x80 [ 6636.807446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6636.807446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6636.807446][ T7704] ip6_route_add+0x1c/0x140 [ 6636.807446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6636.807446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6636.807446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6636.807446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6636.807446][ T7704] netlink_rcv_skb+0x130/0x360 [ 6636.807446][ T7704] netlink_unicast+0x449/0x710 [ 6636.807446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6636.807446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6636.807446][ T7704] ___sys_sendmsg+0xee/0x170 [ 6636.807446][ T7704] __sys_sendmsg+0xcd/0x170 [ 6636.807446][ T7704] do_syscall_64+0xc6/0x1e0 [ 6636.807446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6636.807446][ T7704] [ 6636.809738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6636.809738][ T7704] netdev_get_by_index+0x5e/0x80 [ 6636.809738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6636.809738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6636.809738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6636.809738][ T7704] ipv6_add_addr+0x411/0x2000 [ 6636.809738][ T7704] inet6_addr_add+0x30e/0xa40 [ 6636.809738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6636.809738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6636.809738][ T7704] netlink_rcv_skb+0x130/0x360 [ 6636.809738][ T7704] netlink_unicast+0x449/0x710 [ 6636.809738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6636.809738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6636.809738][ T7704] ___sys_sendmsg+0xee/0x170 [ 6636.809738][ T7704] __sys_sendmsg+0xcd/0x170 [ 6636.809738][ T7704] do_syscall_64+0xc6/0x1e0 [ 6636.809738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6636.809738][ T7704] [ 6636.812514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6636.812514][ T7704] netdev_get_by_index+0x5e/0x80 [ 6636.812514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6636.812514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6636.812514][ T7704] ip6_route_add+0x1c/0x140 [ 6636.812514][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6636.812514][ T7704] addrconf_add_dev+0xe2/0x170 [ 6636.812514][ T7704] inet6_addr_add+0x12f/0xa40 [ 6636.812514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6636.812514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6636.812514][ T7704] netlink_rcv_skb+0x130/0x360 [ 6636.812514][ T7704] netlink_unicast+0x449/0x710 [ 6636.812514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6636.812514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6636.812514][ T7704] ___sys_sendmsg+0xee/0x170 [ 6636.812514][ T7704] __sys_sendmsg+0xcd/0x170 [ 6636.812514][ T7704] do_syscall_64+0xc6/0x1e0 [ 6636.812514][ T7704] [ 6636.814711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6636.814711][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6636.814711][ T7704] ipv6_find_idev+0x102/0x170 [ 6636.814711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6636.814711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6636.814711][ T7704] netlink_rcv_skb+0x130/0x360 [ 6636.814711][ T7704] netlink_unicast+0x449/0x710 [ 6636.814711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6636.814711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6636.814711][ T7704] ___sys_sendmsg+0xee/0x170 [ 6636.814711][ T7704] __sys_sendmsg+0xcd/0x170 [ 6636.814711][ T7704] do_syscall_64+0xc6/0x1e0 [ 6636.814711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6636.814711][ T7704] [ 6636.816426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6636.816426][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6636.816426][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6636.816426][ T7704] ipv6_find_idev+0x102/0x170 [ 6636.816426][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6636.816426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6636.816426][ T7704] netlink_rcv_skb+0x130/0x360 [ 6636.816426][ T7704] netlink_unicast+0x449/0x710 [ 6636.816426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6636.816426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6636.816426][ T7704] ___sys_sendmsg+0xee/0x170 [ 6636.816426][ T7704] __sys_sendmsg+0xcd/0x170 [ 6636.816426][ T7704] do_syscall_64+0xc6/0x1e0 [ 6636.816426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6636.816426][ T7704] [ 6646.918876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6646.919391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6646.919391][ T7704] netdev_get_by_index+0x5e/0x80 [ 6646.919391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6646.919391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6646.919391][ T7704] ip6_route_add+0x1c/0x140 [ 6646.919391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6646.919391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6646.919391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.919391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.919391][ T7704] netlink_rcv_skb+0x130/0x360 [ 6646.919391][ T7704] netlink_unicast+0x449/0x710 [ 6646.919391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6646.919391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6646.919391][ T7704] ___sys_sendmsg+0xee/0x170 [ 6646.919391][ T7704] __sys_sendmsg+0xcd/0x170 [ 6646.919391][ T7704] do_syscall_64+0xc6/0x1e0 [ 6646.919391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.919391][ T7704] [ 6646.921659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6646.921659][ T7704] netdev_get_by_index+0x5e/0x80 [ 6646.921659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6646.921659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6646.921659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6646.921659][ T7704] ipv6_add_addr+0x411/0x2000 [ 6646.921659][ T7704] inet6_addr_add+0x30e/0xa40 [ 6646.921659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.921659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.921659][ T7704] netlink_rcv_skb+0x130/0x360 [ 6646.921659][ T7704] netlink_unicast+0x449/0x710 [ 6646.921659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6646.921659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6646.921659][ T7704] ___sys_sendmsg+0xee/0x170 [ 6646.921659][ T7704] __sys_sendmsg+0xcd/0x170 [ 6646.921659][ T7704] do_syscall_64+0xc6/0x1e0 [ 6646.921659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.921659][ T7704] [ 6646.923893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6646.923893][ T7704] netdev_get_by_index+0x5e/0x80 [ 6646.923893][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6646.923893][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6646.923893][ T7704] ip6_route_add+0x1c/0x140 [ 6646.923893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6646.923893][ T7704] addrconf_add_dev+0xe2/0x170 [ 6646.923893][ T7704] inet6_addr_add+0x12f/0xa40 [ 6646.923893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.923893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.923893][ T7704] netlink_rcv_skb+0x130/0x360 [ 6646.923893][ T7704] netlink_unicast+0x449/0x710 [ 6646.923893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6646.923893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6646.923893][ T7704] ___sys_sendmsg+0xee/0x170 [ 6646.923893][ T7704] __sys_sendmsg+0xcd/0x170 [ 6646.923893][ T7704] do_syscall_64+0xc6/0x1e0 [ 6646.923893][ T7704] [ 6646.928403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6646.928403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6646.928403][ T7704] ipv6_find_idev+0x102/0x170 [ 6646.928403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.928403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.928403][ T7704] netlink_rcv_skb+0x130/0x360 [ 6646.928403][ T7704] netlink_unicast+0x449/0x710 [ 6646.928403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6646.928403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6646.928403][ T7704] ___sys_sendmsg+0xee/0x170 [ 6646.928403][ T7704] __sys_sendmsg+0xcd/0x170 [ 6646.928403][ T7704] do_syscall_64+0xc6/0x1e0 [ 6646.928403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.928403][ T7704] [ 6646.930130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6646.930130][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6646.930130][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6646.930130][ T7704] ipv6_find_idev+0x102/0x170 [ 6646.930130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.930130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.930130][ T7704] netlink_rcv_skb+0x130/0x360 [ 6646.930130][ T7704] netlink_unicast+0x449/0x710 [ 6646.930130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6646.930130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6646.930130][ T7704] ___sys_sendmsg+0xee/0x170 [ 6646.930130][ T7704] __sys_sendmsg+0xcd/0x170 [ 6646.930130][ T7704] do_syscall_64+0xc6/0x1e0 [ 6646.930130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.930130][ T7704] [ 6657.142939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6657.143455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6657.143455][ T7704] netdev_get_by_index+0x5e/0x80 [ 6657.143455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6657.143455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6657.143455][ T7704] ip6_route_add+0x1c/0x140 [ 6657.143455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6657.143455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6657.143455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6657.143455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6657.143455][ T7704] netlink_rcv_skb+0x130/0x360 [ 6657.143455][ T7704] netlink_unicast+0x449/0x710 [ 6657.143455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6657.143455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6657.143455][ T7704] ___sys_sendmsg+0xee/0x170 [ 6657.143455][ T7704] __sys_sendmsg+0xcd/0x170 [ 6657.143455][ T7704] do_syscall_64+0xc6/0x1e0 [ 6657.143455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6657.143455][ T7704] [ 6657.145749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6657.145749][ T7704] netdev_get_by_index+0x5e/0x80 [ 6657.145749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6657.145749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6657.145749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6657.145749][ T7704] ipv6_add_addr+0x411/0x2000 [ 6657.145749][ T7704] inet6_addr_add+0x30e/0xa40 [ 6657.145749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6657.145749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6657.145749][ T7704] netlink_rcv_skb+0x130/0x360 [ 6657.145749][ T7704] netlink_unicast+0x449/0x710 [ 6657.145749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6657.145749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6657.145749][ T7704] ___sys_sendmsg+0xee/0x170 [ 6657.145749][ T7704] __sys_sendmsg+0xcd/0x170 [ 6657.145749][ T7704] do_syscall_64+0xc6/0x1e0 [ 6657.145749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6657.145749][ T7704] [ 6657.147989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6657.147989][ T7704] netdev_get_by_index+0x5e/0x80 [ 6657.147989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6657.147989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6657.147989][ T7704] ip6_route_add+0x1c/0x140 [ 6657.147989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6657.147989][ T7704] addrconf_add_dev+0xe2/0x170 [ 6657.147989][ T7704] inet6_addr_add+0x12f/0xa40 [ 6657.147989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6657.147989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6657.147989][ T7704] netlink_rcv_skb+0x130/0x360 [ 6657.147989][ T7704] netlink_unicast+0x449/0x710 [ 6657.147989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6657.147989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6657.147989][ T7704] ___sys_sendmsg+0xee/0x170 [ 6657.147989][ T7704] __sys_sendmsg+0xcd/0x170 [ 6657.147989][ T7704] do_syscall_64+0xc6/0x1e0 [ 6657.147989][ T7704] [ 6657.150210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6657.150210][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6657.150210][ T7704] ipv6_find_idev+0x102/0x170 [ 6657.150210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6657.150210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6657.150210][ T7704] netlink_rcv_skb+0x130/0x360 [ 6657.150210][ T7704] netlink_unicast+0x449/0x710 [ 6657.150210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6657.150210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6657.150210][ T7704] ___sys_sendmsg+0xee/0x170 [ 6657.150210][ T7704] __sys_sendmsg+0xcd/0x170 [ 6657.150210][ T7704] do_syscall_64+0xc6/0x1e0 [ 6657.150210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6657.150210][ T7704] [ 6657.151936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6657.151936][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6657.151936][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6657.151936][ T7704] ipv6_find_idev+0x102/0x170 [ 6657.151936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6657.151936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6657.151936][ T7704] netlink_rcv_skb+0x130/0x360 [ 6657.151936][ T7704] netlink_unicast+0x449/0x710 [ 6657.151936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6657.151936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6657.151936][ T7704] ___sys_sendmsg+0xee/0x170 [ 6657.151936][ T7704] __sys_sendmsg+0xcd/0x170 [ 6657.151936][ T7704] do_syscall_64+0xc6/0x1e0 [ 6657.151936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6657.151936][ T7704] [ 6667.310879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6667.311413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6667.311413][ T7704] netdev_get_by_index+0x5e/0x80 [ 6667.311413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6667.311413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6667.311413][ T7704] ip6_route_add+0x1c/0x140 [ 6667.311413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6667.311413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6667.311413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6667.311413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6667.311413][ T7704] netlink_rcv_skb+0x130/0x360 [ 6667.311413][ T7704] netlink_unicast+0x449/0x710 [ 6667.311413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6667.311413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6667.311413][ T7704] ___sys_sendmsg+0xee/0x170 [ 6667.311413][ T7704] __sys_sendmsg+0xcd/0x170 [ 6667.311413][ T7704] do_syscall_64+0xc6/0x1e0 [ 6667.311413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6667.311413][ T7704] [ 6667.313693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6667.313693][ T7704] netdev_get_by_index+0x5e/0x80 [ 6667.313693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6667.313693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6667.313693][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6667.313693][ T7704] ipv6_add_addr+0x411/0x2000 [ 6667.313693][ T7704] inet6_addr_add+0x30e/0xa40 [ 6667.313693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6667.313693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6667.313693][ T7704] netlink_rcv_skb+0x130/0x360 [ 6667.313693][ T7704] netlink_unicast+0x449/0x710 [ 6667.313693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6667.313693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6667.313693][ T7704] ___sys_sendmsg+0xee/0x170 [ 6667.313693][ T7704] __sys_sendmsg+0xcd/0x170 [ 6667.313693][ T7704] do_syscall_64+0xc6/0x1e0 [ 6667.313693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6667.313693][ T7704] [ 6667.315947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6667.315947][ T7704] netdev_get_by_index+0x5e/0x80 [ 6667.315947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6667.315947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6667.315947][ T7704] ip6_route_add+0x1c/0x140 [ 6667.315947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6667.315947][ T7704] addrconf_add_dev+0xe2/0x170 [ 6667.315947][ T7704] inet6_addr_add+0x12f/0xa40 [ 6667.315947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6667.315947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6667.315947][ T7704] netlink_rcv_skb+0x130/0x360 [ 6667.315947][ T7704] netlink_unicast+0x449/0x710 [ 6667.315947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6667.315947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6667.315947][ T7704] ___sys_sendmsg+0xee/0x170 [ 6667.315947][ T7704] __sys_sendmsg+0xcd/0x170 [ 6667.315947][ T7704] do_syscall_64+0xc6/0x1e0 [ 6667.315947][ T7704] [ 6667.318154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6667.318154][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6667.318154][ T7704] ipv6_find_idev+0x102/0x170 [ 6667.318154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6667.318154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6667.318154][ T7704] netlink_rcv_skb+0x130/0x360 [ 6667.318154][ T7704] netlink_unicast+0x449/0x710 [ 6667.318154][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6667.318154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6667.318154][ T7704] ___sys_sendmsg+0xee/0x170 [ 6667.318154][ T7704] __sys_sendmsg+0xcd/0x170 [ 6667.318154][ T7704] do_syscall_64+0xc6/0x1e0 [ 6667.318154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6667.318154][ T7704] [ 6667.319884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6667.319884][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6667.319884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6667.319884][ T7704] ipv6_find_idev+0x102/0x170 [ 6667.319884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6667.319884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6667.319884][ T7704] netlink_rcv_skb+0x130/0x360 [ 6667.319884][ T7704] netlink_unicast+0x449/0x710 [ 6667.319884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6667.319884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6667.319884][ T7704] ___sys_sendmsg+0xee/0x170 [ 6667.319884][ T7704] __sys_sendmsg+0xcd/0x170 [ 6667.319884][ T7704] do_syscall_64+0xc6/0x1e0 [ 6667.319884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6667.319884][ T7704] [ 6677.534937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6677.535449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6677.535449][ T7704] netdev_get_by_index+0x5e/0x80 [ 6677.535449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6677.535449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6677.535449][ T7704] ip6_route_add+0x1c/0x140 [ 6677.535449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6677.535449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6677.535449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.535449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.535449][ T7704] netlink_rcv_skb+0x130/0x360 [ 6677.535449][ T7704] netlink_unicast+0x449/0x710 [ 6677.535449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6677.535449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6677.535449][ T7704] ___sys_sendmsg+0xee/0x170 [ 6677.535449][ T7704] __sys_sendmsg+0xcd/0x170 [ 6677.535449][ T7704] do_syscall_64+0xc6/0x1e0 [ 6677.535449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.535449][ T7704] [ 6677.537776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6677.537776][ T7704] netdev_get_by_index+0x5e/0x80 [ 6677.537776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6677.537776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6677.537776][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6677.537776][ T7704] ipv6_add_addr+0x411/0x2000 [ 6677.537776][ T7704] inet6_addr_add+0x30e/0xa40 [ 6677.537776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.537776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.537776][ T7704] netlink_rcv_skb+0x130/0x360 [ 6677.537776][ T7704] netlink_unicast+0x449/0x710 [ 6677.537776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6677.537776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6677.537776][ T7704] ___sys_sendmsg+0xee/0x170 [ 6677.537776][ T7704] __sys_sendmsg+0xcd/0x170 [ 6677.537776][ T7704] do_syscall_64+0xc6/0x1e0 [ 6677.537776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.537776][ T7704] [ 6677.540065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6677.540065][ T7704] netdev_get_by_index+0x5e/0x80 [ 6677.540065][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6677.540065][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6677.540065][ T7704] ip6_route_add+0x1c/0x140 [ 6677.540065][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6677.540065][ T7704] addrconf_add_dev+0xe2/0x170 [ 6677.540065][ T7704] inet6_addr_add+0x12f/0xa40 [ 6677.540065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.540065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.540065][ T7704] netlink_rcv_skb+0x130/0x360 [ 6677.540065][ T7704] netlink_unicast+0x449/0x710 [ 6677.540065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6677.540065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6677.540065][ T7704] ___sys_sendmsg+0xee/0x170 [ 6677.540065][ T7704] __sys_sendmsg+0xcd/0x170 [ 6677.540065][ T7704] do_syscall_64+0xc6/0x1e0 [ 6677.540065][ T7704] [ 6677.542305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6677.542305][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6677.542305][ T7704] ipv6_find_idev+0x102/0x170 [ 6677.542305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.542305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.542305][ T7704] netlink_rcv_skb+0x130/0x360 [ 6677.542305][ T7704] netlink_unicast+0x449/0x710 [ 6677.542305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6677.542305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6677.542305][ T7704] ___sys_sendmsg+0xee/0x170 [ 6677.542305][ T7704] __sys_sendmsg+0xcd/0x170 [ 6677.542305][ T7704] do_syscall_64+0xc6/0x1e0 [ 6677.542305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.542305][ T7704] [ 6677.544068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6677.544068][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6677.544068][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6677.544068][ T7704] ipv6_find_idev+0x102/0x170 [ 6677.544068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.544068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.544068][ T7704] netlink_rcv_skb+0x130/0x360 [ 6677.544068][ T7704] netlink_unicast+0x449/0x710 [ 6677.544068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6677.544068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6677.544068][ T7704] ___sys_sendmsg+0xee/0x170 [ 6677.544068][ T7704] __sys_sendmsg+0xcd/0x170 [ 6677.544068][ T7704] do_syscall_64+0xc6/0x1e0 [ 6677.544068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.544068][ T7704] [ 6687.790938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6687.791449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6687.791449][ T7704] netdev_get_by_index+0x5e/0x80 [ 6687.791449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6687.791449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6687.791449][ T7704] ip6_route_add+0x1c/0x140 [ 6687.791449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6687.791449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6687.791449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.791449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.791449][ T7704] netlink_rcv_skb+0x130/0x360 [ 6687.791449][ T7704] netlink_unicast+0x449/0x710 [ 6687.791449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6687.791449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6687.791449][ T7704] ___sys_sendmsg+0xee/0x170 [ 6687.791449][ T7704] __sys_sendmsg+0xcd/0x170 [ 6687.791449][ T7704] do_syscall_64+0xc6/0x1e0 [ 6687.791449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.791449][ T7704] [ 6687.793763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6687.793763][ T7704] netdev_get_by_index+0x5e/0x80 [ 6687.793763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6687.793763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6687.793763][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6687.793763][ T7704] ipv6_add_addr+0x411/0x2000 [ 6687.793763][ T7704] inet6_addr_add+0x30e/0xa40 [ 6687.793763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.793763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.793763][ T7704] netlink_rcv_skb+0x130/0x360 [ 6687.793763][ T7704] netlink_unicast+0x449/0x710 [ 6687.793763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6687.793763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6687.793763][ T7704] ___sys_sendmsg+0xee/0x170 [ 6687.793763][ T7704] __sys_sendmsg+0xcd/0x170 [ 6687.793763][ T7704] do_syscall_64+0xc6/0x1e0 [ 6687.793763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.793763][ T7704] [ 6687.796046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6687.796046][ T7704] netdev_get_by_index+0x5e/0x80 [ 6687.796046][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6687.796046][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6687.796046][ T7704] ip6_route_add+0x1c/0x140 [ 6687.796046][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6687.796046][ T7704] addrconf_add_dev+0xe2/0x170 [ 6687.796046][ T7704] inet6_addr_add+0x12f/0xa40 [ 6687.796046][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.796046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.796046][ T7704] netlink_rcv_skb+0x130/0x360 [ 6687.796046][ T7704] netlink_unicast+0x449/0x710 [ 6687.796046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6687.796046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6687.796046][ T7704] ___sys_sendmsg+0xee/0x170 [ 6687.796046][ T7704] __sys_sendmsg+0xcd/0x170 [ 6687.796046][ T7704] do_syscall_64+0xc6/0x1e0 [ 6687.796046][ T7704] [ 6687.798256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6687.798256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6687.798256][ T7704] ipv6_find_idev+0x102/0x170 [ 6687.798256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.798256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.798256][ T7704] netlink_rcv_skb+0x130/0x360 [ 6687.798256][ T7704] netlink_unicast+0x449/0x710 [ 6687.798256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6687.798256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6687.798256][ T7704] ___sys_sendmsg+0xee/0x170 [ 6687.798256][ T7704] __sys_sendmsg+0xcd/0x170 [ 6687.798256][ T7704] do_syscall_64+0xc6/0x1e0 [ 6687.798256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.798256][ T7704] [ 6687.800008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6687.800008][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6687.800008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6687.800008][ T7704] ipv6_find_idev+0x102/0x170 [ 6687.800008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.800008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.800008][ T7704] netlink_rcv_skb+0x130/0x360 [ 6687.800008][ T7704] netlink_unicast+0x449/0x710 [ 6687.800008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6687.800008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6687.800008][ T7704] ___sys_sendmsg+0xee/0x170 [ 6687.800008][ T7704] __sys_sendmsg+0xcd/0x170 [ 6687.800008][ T7704] do_syscall_64+0xc6/0x1e0 [ 6687.800008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.800008][ T7704] [ 6698.046935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6698.047449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6698.047449][ T7704] netdev_get_by_index+0x5e/0x80 [ 6698.047449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6698.047449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6698.047449][ T7704] ip6_route_add+0x1c/0x140 [ 6698.047449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6698.047449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6698.047449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6698.047449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6698.047449][ T7704] netlink_rcv_skb+0x130/0x360 [ 6698.047449][ T7704] netlink_unicast+0x449/0x710 [ 6698.047449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6698.047449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6698.047449][ T7704] ___sys_sendmsg+0xee/0x170 [ 6698.047449][ T7704] __sys_sendmsg+0xcd/0x170 [ 6698.047449][ T7704] do_syscall_64+0xc6/0x1e0 [ 6698.047449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6698.047449][ T7704] [ 6698.049762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6698.049762][ T7704] netdev_get_by_index+0x5e/0x80 [ 6698.049762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6698.049762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6698.049762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6698.049762][ T7704] ipv6_add_addr+0x411/0x2000 [ 6698.049762][ T7704] inet6_addr_add+0x30e/0xa40 [ 6698.049762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6698.049762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6698.049762][ T7704] netlink_rcv_skb+0x130/0x360 [ 6698.049762][ T7704] netlink_unicast+0x449/0x710 [ 6698.049762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6698.049762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6698.049762][ T7704] ___sys_sendmsg+0xee/0x170 [ 6698.049762][ T7704] __sys_sendmsg+0xcd/0x170 [ 6698.049762][ T7704] do_syscall_64+0xc6/0x1e0 [ 6698.049762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6698.049762][ T7704] [ 6698.052037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6698.052037][ T7704] netdev_get_by_index+0x5e/0x80 [ 6698.052037][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6698.052037][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6698.052037][ T7704] ip6_route_add+0x1c/0x140 [ 6698.052037][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6698.052037][ T7704] addrconf_add_dev+0xe2/0x170 [ 6698.052037][ T7704] inet6_addr_add+0x12f/0xa40 [ 6698.052037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6698.052037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6698.052037][ T7704] netlink_rcv_skb+0x130/0x360 [ 6698.052037][ T7704] netlink_unicast+0x449/0x710 [ 6698.052037][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6698.052037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6698.052037][ T7704] ___sys_sendmsg+0xee/0x170 [ 6698.052037][ T7704] __sys_sendmsg+0xcd/0x170 [ 6698.052037][ T7704] do_syscall_64+0xc6/0x1e0 [ 6698.052037][ T7704] [ 6698.054248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6698.054248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6698.054248][ T7704] ipv6_find_idev+0x102/0x170 [ 6698.054248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6698.054248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6698.054248][ T7704] netlink_rcv_skb+0x130/0x360 [ 6698.054248][ T7704] netlink_unicast+0x449/0x710 [ 6698.054248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6698.054248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6698.054248][ T7704] ___sys_sendmsg+0xee/0x170 [ 6698.054248][ T7704] __sys_sendmsg+0xcd/0x170 [ 6698.054248][ T7704] do_syscall_64+0xc6/0x1e0 [ 6698.054248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6698.054248][ T7704] [ 6698.055962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6698.055962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6698.055962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6698.055962][ T7704] ipv6_find_idev+0x102/0x170 [ 6698.055962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6698.055962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6698.055962][ T7704] netlink_rcv_skb+0x130/0x360 [ 6698.055962][ T7704] netlink_unicast+0x449/0x710 [ 6698.055962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6698.055962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6698.055962][ T7704] ___sys_sendmsg+0xee/0x170 [ 6698.055962][ T7704] __sys_sendmsg+0xcd/0x170 [ 6698.055962][ T7704] do_syscall_64+0xc6/0x1e0 [ 6698.055962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6698.055962][ T7704] [ 6708.302972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6708.303497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6708.303497][ T7704] netdev_get_by_index+0x5e/0x80 [ 6708.303497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6708.303497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6708.303497][ T7704] ip6_route_add+0x1c/0x140 [ 6708.303497][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6708.303497][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6708.303497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6708.303497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6708.303497][ T7704] netlink_rcv_skb+0x130/0x360 [ 6708.303497][ T7704] netlink_unicast+0x449/0x710 [ 6708.303497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6708.303497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6708.303497][ T7704] ___sys_sendmsg+0xee/0x170 [ 6708.303497][ T7704] __sys_sendmsg+0xcd/0x170 [ 6708.303497][ T7704] do_syscall_64+0xc6/0x1e0 [ 6708.303497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6708.303497][ T7704] [ 6708.305764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6708.305764][ T7704] netdev_get_by_index+0x5e/0x80 [ 6708.305764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6708.305764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6708.305764][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6708.305764][ T7704] ipv6_add_addr+0x411/0x2000 [ 6708.305764][ T7704] inet6_addr_add+0x30e/0xa40 [ 6708.305764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6708.305764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6708.305764][ T7704] netlink_rcv_skb+0x130/0x360 [ 6708.305764][ T7704] netlink_unicast+0x449/0x710 [ 6708.305764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6708.305764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6708.305764][ T7704] ___sys_sendmsg+0xee/0x170 [ 6708.305764][ T7704] __sys_sendmsg+0xcd/0x170 [ 6708.305764][ T7704] do_syscall_64+0xc6/0x1e0 [ 6708.305764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6708.305764][ T7704] [ 6708.307996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6708.307996][ T7704] netdev_get_by_index+0x5e/0x80 [ 6708.307996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6708.307996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6708.307996][ T7704] ip6_route_add+0x1c/0x140 [ 6708.307996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6708.307996][ T7704] addrconf_add_dev+0xe2/0x170 [ 6708.307996][ T7704] inet6_addr_add+0x12f/0xa40 [ 6708.307996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6708.307996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6708.307996][ T7704] netlink_rcv_skb+0x130/0x360 [ 6708.307996][ T7704] netlink_unicast+0x449/0x710 [ 6708.307996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6708.307996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6708.307996][ T7704] ___sys_sendmsg+0xee/0x170 [ 6708.307996][ T7704] __sys_sendmsg+0xcd/0x170 [ 6708.307996][ T7704] do_syscall_64+0xc6/0x1e0 [ 6708.307996][ T7704] [ 6708.310219][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6708.310219][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6708.310219][ T7704] ipv6_find_idev+0x102/0x170 [ 6708.310219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6708.310219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6708.310219][ T7704] netlink_rcv_skb+0x130/0x360 [ 6708.310219][ T7704] netlink_unicast+0x449/0x710 [ 6708.310219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6708.310219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6708.310219][ T7704] ___sys_sendmsg+0xee/0x170 [ 6708.310219][ T7704] __sys_sendmsg+0xcd/0x170 [ 6708.310219][ T7704] do_syscall_64+0xc6/0x1e0 [ 6708.310219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6708.310219][ T7704] [ 6708.311931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6708.311931][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6708.311931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6708.311931][ T7704] ipv6_find_idev+0x102/0x170 [ 6708.311931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6708.311931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6708.311931][ T7704] netlink_rcv_skb+0x130/0x360 [ 6708.311931][ T7704] netlink_unicast+0x449/0x710 [ 6708.311931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6708.311931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6708.311931][ T7704] ___sys_sendmsg+0xee/0x170 [ 6708.311931][ T7704] __sys_sendmsg+0xcd/0x170 [ 6708.311931][ T7704] do_syscall_64+0xc6/0x1e0 [ 6708.311931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6708.311931][ T7704] [ 6718.558949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6718.559461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6718.559461][ T7704] netdev_get_by_index+0x5e/0x80 [ 6718.559461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6718.559461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6718.559461][ T7704] ip6_route_add+0x1c/0x140 [ 6718.559461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6718.559461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6718.559461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6718.559461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.559461][ T7704] netlink_rcv_skb+0x130/0x360 [ 6718.559461][ T7704] netlink_unicast+0x449/0x710 [ 6718.559461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6718.559461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6718.559461][ T7704] ___sys_sendmsg+0xee/0x170 [ 6718.559461][ T7704] __sys_sendmsg+0xcd/0x170 [ 6718.559461][ T7704] do_syscall_64+0xc6/0x1e0 [ 6718.559461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.559461][ T7704] [ 6718.561737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6718.561737][ T7704] netdev_get_by_index+0x5e/0x80 [ 6718.561737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6718.561737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6718.561737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6718.561737][ T7704] ipv6_add_addr+0x411/0x2000 [ 6718.561737][ T7704] inet6_addr_add+0x30e/0xa40 [ 6718.561737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6718.561737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.561737][ T7704] netlink_rcv_skb+0x130/0x360 [ 6718.561737][ T7704] netlink_unicast+0x449/0x710 [ 6718.561737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6718.561737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6718.561737][ T7704] ___sys_sendmsg+0xee/0x170 [ 6718.561737][ T7704] __sys_sendmsg+0xcd/0x170 [ 6718.561737][ T7704] do_syscall_64+0xc6/0x1e0 [ 6718.561737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.561737][ T7704] [ 6718.564485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6718.564485][ T7704] netdev_get_by_index+0x5e/0x80 [ 6718.564485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6718.564485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6718.564485][ T7704] ip6_route_add+0x1c/0x140 [ 6718.564485][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6718.564485][ T7704] addrconf_add_dev+0xe2/0x170 [ 6718.564485][ T7704] inet6_addr_add+0x12f/0xa40 [ 6718.564485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6718.564485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.564485][ T7704] netlink_rcv_skb+0x130/0x360 [ 6718.564485][ T7704] netlink_unicast+0x449/0x710 [ 6718.564485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6718.564485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6718.564485][ T7704] ___sys_sendmsg+0xee/0x170 [ 6718.564485][ T7704] __sys_sendmsg+0xcd/0x170 [ 6718.564485][ T7704] do_syscall_64+0xc6/0x1e0 [ 6718.564485][ T7704] [ 6718.567167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6718.567167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6718.567167][ T7704] ipv6_find_idev+0x102/0x170 [ 6718.567167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6718.567167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.567167][ T7704] netlink_rcv_skb+0x130/0x360 [ 6718.567167][ T7704] netlink_unicast+0x449/0x710 [ 6718.567167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6718.567167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6718.567167][ T7704] ___sys_sendmsg+0xee/0x170 [ 6718.567167][ T7704] __sys_sendmsg+0xcd/0x170 [ 6718.567167][ T7704] do_syscall_64+0xc6/0x1e0 [ 6718.567167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.567167][ T7704] [ 6718.569278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6718.569278][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6718.569278][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6718.569278][ T7704] ipv6_find_idev+0x102/0x170 [ 6718.569278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6718.569278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.569278][ T7704] netlink_rcv_skb+0x130/0x360 [ 6718.569278][ T7704] netlink_unicast+0x449/0x710 [ 6718.569278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6718.569278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6718.569278][ T7704] ___sys_sendmsg+0xee/0x170 [ 6718.569278][ T7704] __sys_sendmsg+0xcd/0x170 [ 6718.569278][ T7704] do_syscall_64+0xc6/0x1e0 [ 6718.569278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.569278][ T7704] [ 6728.814940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6728.815462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6728.815462][ T7704] netdev_get_by_index+0x5e/0x80 [ 6728.815462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6728.815462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6728.815462][ T7704] ip6_route_add+0x1c/0x140 [ 6728.815462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6728.815462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6728.815462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.815462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.815462][ T7704] netlink_rcv_skb+0x130/0x360 [ 6728.815462][ T7704] netlink_unicast+0x449/0x710 [ 6728.815462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6728.815462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6728.815462][ T7704] ___sys_sendmsg+0xee/0x170 [ 6728.815462][ T7704] __sys_sendmsg+0xcd/0x170 [ 6728.815462][ T7704] do_syscall_64+0xc6/0x1e0 [ 6728.815462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.815462][ T7704] [ 6728.818228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6728.818228][ T7704] netdev_get_by_index+0x5e/0x80 [ 6728.818228][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6728.818228][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6728.818228][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6728.818228][ T7704] ipv6_add_addr+0x411/0x2000 [ 6728.818228][ T7704] inet6_addr_add+0x30e/0xa40 [ 6728.818228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.818228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.818228][ T7704] netlink_rcv_skb+0x130/0x360 [ 6728.818228][ T7704] netlink_unicast+0x449/0x710 [ 6728.818228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6728.818228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6728.818228][ T7704] ___sys_sendmsg+0xee/0x170 [ 6728.818228][ T7704] __sys_sendmsg+0xcd/0x170 [ 6728.818228][ T7704] do_syscall_64+0xc6/0x1e0 [ 6728.818228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.818228][ T7704] [ 6728.820955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6728.820955][ T7704] netdev_get_by_index+0x5e/0x80 [ 6728.820955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6728.820955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6728.820955][ T7704] ip6_route_add+0x1c/0x140 [ 6728.820955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6728.820955][ T7704] addrconf_add_dev+0xe2/0x170 [ 6728.820955][ T7704] inet6_addr_add+0x12f/0xa40 [ 6728.820955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.820955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.820955][ T7704] netlink_rcv_skb+0x130/0x360 [ 6728.820955][ T7704] netlink_unicast+0x449/0x710 [ 6728.820955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6728.820955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6728.820955][ T7704] ___sys_sendmsg+0xee/0x170 [ 6728.820955][ T7704] __sys_sendmsg+0xcd/0x170 [ 6728.820955][ T7704] do_syscall_64+0xc6/0x1e0 [ 6728.820955][ T7704] [ 6728.823631][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6728.823631][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6728.823631][ T7704] ipv6_find_idev+0x102/0x170 [ 6728.823631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.823631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.823631][ T7704] netlink_rcv_skb+0x130/0x360 [ 6728.823631][ T7704] netlink_unicast+0x449/0x710 [ 6728.823631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6728.823631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6728.823631][ T7704] ___sys_sendmsg+0xee/0x170 [ 6728.823631][ T7704] __sys_sendmsg+0xcd/0x170 [ 6728.823631][ T7704] do_syscall_64+0xc6/0x1e0 [ 6728.823631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.823631][ T7704] [ 6728.825729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6728.825729][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6728.825729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6728.825729][ T7704] ipv6_find_idev+0x102/0x170 [ 6728.825729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.825729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.825729][ T7704] netlink_rcv_skb+0x130/0x360 [ 6728.825729][ T7704] netlink_unicast+0x449/0x710 [ 6728.825729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6728.825729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6728.825729][ T7704] ___sys_sendmsg+0xee/0x170 [ 6728.825729][ T7704] __sys_sendmsg+0xcd/0x170 [ 6728.825729][ T7704] do_syscall_64+0xc6/0x1e0 [ 6728.825729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.825729][ T7704] [ 6739.078872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6739.079391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6739.079391][ T7704] netdev_get_by_index+0x5e/0x80 [ 6739.079391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6739.079391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6739.079391][ T7704] ip6_route_add+0x1c/0x140 [ 6739.079391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6739.079391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6739.079391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6739.079391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6739.079391][ T7704] netlink_rcv_skb+0x130/0x360 [ 6739.079391][ T7704] netlink_unicast+0x449/0x710 [ 6739.079391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6739.079391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6739.079391][ T7704] ___sys_sendmsg+0xee/0x170 [ 6739.079391][ T7704] __sys_sendmsg+0xcd/0x170 [ 6739.079391][ T7704] do_syscall_64+0xc6/0x1e0 [ 6739.079391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6739.079391][ T7704] [ 6739.082133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6739.082133][ T7704] netdev_get_by_index+0x5e/0x80 [ 6739.082133][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6739.082133][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6739.082133][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6739.082133][ T7704] ipv6_add_addr+0x411/0x2000 [ 6739.082133][ T7704] inet6_addr_add+0x30e/0xa40 [ 6739.082133][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6739.082133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6739.082133][ T7704] netlink_rcv_skb+0x130/0x360 [ 6739.082133][ T7704] netlink_unicast+0x449/0x710 [ 6739.082133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6739.082133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6739.082133][ T7704] ___sys_sendmsg+0xee/0x170 [ 6739.082133][ T7704] __sys_sendmsg+0xcd/0x170 [ 6739.082133][ T7704] do_syscall_64+0xc6/0x1e0 [ 6739.082133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6739.082133][ T7704] [ 6739.084856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6739.084856][ T7704] netdev_get_by_index+0x5e/0x80 [ 6739.084856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6739.084856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6739.084856][ T7704] ip6_route_add+0x1c/0x140 [ 6739.084856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6739.084856][ T7704] addrconf_add_dev+0xe2/0x170 [ 6739.084856][ T7704] inet6_addr_add+0x12f/0xa40 [ 6739.084856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6739.084856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6739.084856][ T7704] netlink_rcv_skb+0x130/0x360 [ 6739.084856][ T7704] netlink_unicast+0x449/0x710 [ 6739.084856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6739.084856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6739.084856][ T7704] ___sys_sendmsg+0xee/0x170 [ 6739.084856][ T7704] __sys_sendmsg+0xcd/0x170 [ 6739.084856][ T7704] do_syscall_64+0xc6/0x1e0 [ 6739.084856][ T7704] [ 6739.087529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6739.087529][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6739.087529][ T7704] ipv6_find_idev+0x102/0x170 [ 6739.087529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6739.087529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6739.087529][ T7704] netlink_rcv_skb+0x130/0x360 [ 6739.087529][ T7704] netlink_unicast+0x449/0x710 [ 6739.087529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6739.087529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6739.087529][ T7704] ___sys_sendmsg+0xee/0x170 [ 6739.087529][ T7704] __sys_sendmsg+0xcd/0x170 [ 6739.087529][ T7704] do_syscall_64+0xc6/0x1e0 [ 6739.087529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6739.087529][ T7704] [ 6739.089675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6739.089675][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6739.089675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6739.089675][ T7704] ipv6_find_idev+0x102/0x170 [ 6739.089675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6739.089675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6739.089675][ T7704] netlink_rcv_skb+0x130/0x360 [ 6739.089675][ T7704] netlink_unicast+0x449/0x710 [ 6739.089675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6739.089675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6739.089675][ T7704] ___sys_sendmsg+0xee/0x170 [ 6739.089675][ T7704] __sys_sendmsg+0xcd/0x170 [ 6739.089675][ T7704] do_syscall_64+0xc6/0x1e0 [ 6739.089675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6739.089675][ T7704] [ 6749.334877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6749.335396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6749.335396][ T7704] netdev_get_by_index+0x5e/0x80 [ 6749.335396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6749.335396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6749.335396][ T7704] ip6_route_add+0x1c/0x140 [ 6749.335396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6749.335396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6749.335396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6749.335396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6749.335396][ T7704] netlink_rcv_skb+0x130/0x360 [ 6749.335396][ T7704] netlink_unicast+0x449/0x710 [ 6749.335396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6749.335396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6749.335396][ T7704] ___sys_sendmsg+0xee/0x170 [ 6749.335396][ T7704] __sys_sendmsg+0xcd/0x170 [ 6749.335396][ T7704] do_syscall_64+0xc6/0x1e0 [ 6749.335396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6749.335396][ T7704] [ 6749.338188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6749.338188][ T7704] netdev_get_by_index+0x5e/0x80 [ 6749.338188][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6749.338188][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6749.338188][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6749.338188][ T7704] ipv6_add_addr+0x411/0x2000 [ 6749.338188][ T7704] inet6_addr_add+0x30e/0xa40 [ 6749.338188][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6749.338188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6749.338188][ T7704] netlink_rcv_skb+0x130/0x360 [ 6749.338188][ T7704] netlink_unicast+0x449/0x710 [ 6749.338188][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6749.338188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6749.338188][ T7704] ___sys_sendmsg+0xee/0x170 [ 6749.338188][ T7704] __sys_sendmsg+0xcd/0x170 [ 6749.338188][ T7704] do_syscall_64+0xc6/0x1e0 [ 6749.338188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6749.338188][ T7704] [ 6749.340929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6749.340929][ T7704] netdev_get_by_index+0x5e/0x80 [ 6749.340929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6749.340929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6749.340929][ T7704] ip6_route_add+0x1c/0x140 [ 6749.340929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6749.340929][ T7704] addrconf_add_dev+0xe2/0x170 [ 6749.340929][ T7704] inet6_addr_add+0x12f/0xa40 [ 6749.340929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6749.340929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6749.340929][ T7704] netlink_rcv_skb+0x130/0x360 [ 6749.340929][ T7704] netlink_unicast+0x449/0x710 [ 6749.340929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6749.340929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6749.340929][ T7704] ___sys_sendmsg+0xee/0x170 [ 6749.340929][ T7704] __sys_sendmsg+0xcd/0x170 [ 6749.340929][ T7704] do_syscall_64+0xc6/0x1e0 [ 6749.340929][ T7704] [ 6749.343640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6749.343640][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6749.343640][ T7704] ipv6_find_idev+0x102/0x170 [ 6749.343640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6749.343640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6749.343640][ T7704] netlink_rcv_skb+0x130/0x360 [ 6749.343640][ T7704] netlink_unicast+0x449/0x710 [ 6749.343640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6749.343640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6749.343640][ T7704] ___sys_sendmsg+0xee/0x170 [ 6749.343640][ T7704] __sys_sendmsg+0xcd/0x170 [ 6749.343640][ T7704] do_syscall_64+0xc6/0x1e0 [ 6749.343640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6749.343640][ T7704] [ 6749.345761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6749.345761][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6749.345761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6749.345761][ T7704] ipv6_find_idev+0x102/0x170 [ 6749.345761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6749.345761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6749.345761][ T7704] netlink_rcv_skb+0x130/0x360 [ 6749.345761][ T7704] netlink_unicast+0x449/0x710 [ 6749.345761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6749.345761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6749.345761][ T7704] ___sys_sendmsg+0xee/0x170 [ 6749.345761][ T7704] __sys_sendmsg+0xcd/0x170 [ 6749.345761][ T7704] do_syscall_64+0xc6/0x1e0 [ 6749.345761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6749.345761][ T7704] [ 6759.590938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6759.591453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6759.591453][ T7704] netdev_get_by_index+0x5e/0x80 [ 6759.591453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6759.591453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6759.591453][ T7704] ip6_route_add+0x1c/0x140 [ 6759.591453][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6759.591453][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6759.591453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6759.591453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6759.591453][ T7704] netlink_rcv_skb+0x130/0x360 [ 6759.591453][ T7704] netlink_unicast+0x449/0x710 [ 6759.591453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6759.591453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6759.591453][ T7704] ___sys_sendmsg+0xee/0x170 [ 6759.591453][ T7704] __sys_sendmsg+0xcd/0x170 [ 6759.591453][ T7704] do_syscall_64+0xc6/0x1e0 [ 6759.591453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6759.591453][ T7704] [ 6759.593743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6759.593743][ T7704] netdev_get_by_index+0x5e/0x80 [ 6759.593743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6759.593743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6759.593743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6759.593743][ T7704] ipv6_add_addr+0x411/0x2000 [ 6759.593743][ T7704] inet6_addr_add+0x30e/0xa40 [ 6759.593743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6759.593743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6759.593743][ T7704] netlink_rcv_skb+0x130/0x360 [ 6759.593743][ T7704] netlink_unicast+0x449/0x710 [ 6759.593743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6759.593743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6759.593743][ T7704] ___sys_sendmsg+0xee/0x170 [ 6759.593743][ T7704] __sys_sendmsg+0xcd/0x170 [ 6759.593743][ T7704] do_syscall_64+0xc6/0x1e0 [ 6759.593743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6759.593743][ T7704] [ 6759.595986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6759.595986][ T7704] netdev_get_by_index+0x5e/0x80 [ 6759.595986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6759.595986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6759.595986][ T7704] ip6_route_add+0x1c/0x140 [ 6759.595986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6759.595986][ T7704] addrconf_add_dev+0xe2/0x170 [ 6759.595986][ T7704] inet6_addr_add+0x12f/0xa40 [ 6759.595986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6759.595986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6759.595986][ T7704] netlink_rcv_skb+0x130/0x360 [ 6759.595986][ T7704] netlink_unicast+0x449/0x710 [ 6759.595986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6759.595986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6759.595986][ T7704] ___sys_sendmsg+0xee/0x170 [ 6759.595986][ T7704] __sys_sendmsg+0xcd/0x170 [ 6759.595986][ T7704] do_syscall_64+0xc6/0x1e0 [ 6759.595986][ T7704] [ 6759.598208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6759.598208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6759.598208][ T7704] ipv6_find_idev+0x102/0x170 [ 6759.598208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6759.598208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6759.598208][ T7704] netlink_rcv_skb+0x130/0x360 [ 6759.598208][ T7704] netlink_unicast+0x449/0x710 [ 6759.598208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6759.598208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6759.598208][ T7704] ___sys_sendmsg+0xee/0x170 [ 6759.598208][ T7704] __sys_sendmsg+0xcd/0x170 [ 6759.598208][ T7704] do_syscall_64+0xc6/0x1e0 [ 6759.598208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6759.598208][ T7704] [ 6759.599926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6759.599926][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6759.599926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6759.599926][ T7704] ipv6_find_idev+0x102/0x170 [ 6759.599926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6759.599926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6759.599926][ T7704] netlink_rcv_skb+0x130/0x360 [ 6759.599926][ T7704] netlink_unicast+0x449/0x710 [ 6759.599926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6759.599926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6759.599926][ T7704] ___sys_sendmsg+0xee/0x170 [ 6759.599926][ T7704] __sys_sendmsg+0xcd/0x170 [ 6759.599926][ T7704] do_syscall_64+0xc6/0x1e0 [ 6759.599926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6759.599926][ T7704] [ 6769.854932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6769.855460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6769.855460][ T7704] netdev_get_by_index+0x5e/0x80 [ 6769.855460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6769.855460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6769.855460][ T7704] ip6_route_add+0x1c/0x140 [ 6769.855460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6769.855460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6769.855460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6769.855460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6769.855460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6769.855460][ T7704] netlink_unicast+0x449/0x710 [ 6769.855460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6769.855460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6769.855460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6769.855460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6769.855460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6769.855460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6769.855460][ T7704] [ 6769.857731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6769.857731][ T7704] netdev_get_by_index+0x5e/0x80 [ 6769.857731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6769.857731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6769.857731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6769.857731][ T7704] ipv6_add_addr+0x411/0x2000 [ 6769.857731][ T7704] inet6_addr_add+0x30e/0xa40 [ 6769.857731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6769.857731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6769.857731][ T7704] netlink_rcv_skb+0x130/0x360 [ 6769.857731][ T7704] netlink_unicast+0x449/0x710 [ 6769.857731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6769.857731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6769.857731][ T7704] ___sys_sendmsg+0xee/0x170 [ 6769.857731][ T7704] __sys_sendmsg+0xcd/0x170 [ 6769.857731][ T7704] do_syscall_64+0xc6/0x1e0 [ 6769.857731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6769.857731][ T7704] [ 6769.860001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6769.860001][ T7704] netdev_get_by_index+0x5e/0x80 [ 6769.860001][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6769.860001][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6769.860001][ T7704] ip6_route_add+0x1c/0x140 [ 6769.860001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6769.860001][ T7704] addrconf_add_dev+0xe2/0x170 [ 6769.860001][ T7704] inet6_addr_add+0x12f/0xa40 [ 6769.860001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6769.860001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6769.860001][ T7704] netlink_rcv_skb+0x130/0x360 [ 6769.860001][ T7704] netlink_unicast+0x449/0x710 [ 6769.860001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6769.860001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6769.860001][ T7704] ___sys_sendmsg+0xee/0x170 [ 6769.860001][ T7704] __sys_sendmsg+0xcd/0x170 [ 6769.860001][ T7704] do_syscall_64+0xc6/0x1e0 [ 6769.860001][ T7704] [ 6769.862208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6769.862208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6769.862208][ T7704] ipv6_find_idev+0x102/0x170 [ 6769.862208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6769.862208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6769.862208][ T7704] netlink_rcv_skb+0x130/0x360 [ 6769.862208][ T7704] netlink_unicast+0x449/0x710 [ 6769.862208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6769.862208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6769.862208][ T7704] ___sys_sendmsg+0xee/0x170 [ 6769.862208][ T7704] __sys_sendmsg+0xcd/0x170 [ 6769.862208][ T7704] do_syscall_64+0xc6/0x1e0 [ 6769.862208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6769.862208][ T7704] [ 6769.863928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6769.863928][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6769.863928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6769.863928][ T7704] ipv6_find_idev+0x102/0x170 [ 6769.863928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6769.863928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6769.863928][ T7704] netlink_rcv_skb+0x130/0x360 [ 6769.863928][ T7704] netlink_unicast+0x449/0x710 [ 6769.863928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6769.863928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6769.863928][ T7704] ___sys_sendmsg+0xee/0x170 [ 6769.863928][ T7704] __sys_sendmsg+0xcd/0x170 [ 6769.863928][ T7704] do_syscall_64+0xc6/0x1e0 [ 6769.863928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6769.863928][ T7704] [ 6780.118879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6780.119381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6780.119381][ T7704] netdev_get_by_index+0x5e/0x80 [ 6780.119381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6780.119381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6780.119381][ T7704] ip6_route_add+0x1c/0x140 [ 6780.119381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6780.119381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6780.119381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6780.119381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6780.119381][ T7704] netlink_rcv_skb+0x130/0x360 [ 6780.119381][ T7704] netlink_unicast+0x449/0x710 [ 6780.119381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6780.119381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6780.119381][ T7704] ___sys_sendmsg+0xee/0x170 [ 6780.119381][ T7704] __sys_sendmsg+0xcd/0x170 [ 6780.119381][ T7704] do_syscall_64+0xc6/0x1e0 [ 6780.119381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6780.119381][ T7704] [ 6780.121674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6780.121674][ T7704] netdev_get_by_index+0x5e/0x80 [ 6780.121674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6780.121674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6780.121674][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6780.121674][ T7704] ipv6_add_addr+0x411/0x2000 [ 6780.121674][ T7704] inet6_addr_add+0x30e/0xa40 [ 6780.121674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6780.121674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6780.121674][ T7704] netlink_rcv_skb+0x130/0x360 [ 6780.121674][ T7704] netlink_unicast+0x449/0x710 [ 6780.121674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6780.121674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6780.121674][ T7704] ___sys_sendmsg+0xee/0x170 [ 6780.121674][ T7704] __sys_sendmsg+0xcd/0x170 [ 6780.121674][ T7704] do_syscall_64+0xc6/0x1e0 [ 6780.121674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6780.121674][ T7704] [ 6780.123921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6780.123921][ T7704] netdev_get_by_index+0x5e/0x80 [ 6780.123921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6780.123921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6780.123921][ T7704] ip6_route_add+0x1c/0x140 [ 6780.123921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6780.123921][ T7704] addrconf_add_dev+0xe2/0x170 [ 6780.123921][ T7704] inet6_addr_add+0x12f/0xa40 [ 6780.123921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6780.123921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6780.123921][ T7704] netlink_rcv_skb+0x130/0x360 [ 6780.123921][ T7704] netlink_unicast+0x449/0x710 [ 6780.123921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6780.123921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6780.123921][ T7704] ___sys_sendmsg+0xee/0x170 [ 6780.123921][ T7704] __sys_sendmsg+0xcd/0x170 [ 6780.123921][ T7704] do_syscall_64+0xc6/0x1e0 [ 6780.123921][ T7704] [ 6780.126136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6780.126136][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6780.126136][ T7704] ipv6_find_idev+0x102/0x170 [ 6780.126136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6780.126136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6780.126136][ T7704] netlink_rcv_skb+0x130/0x360 [ 6780.126136][ T7704] netlink_unicast+0x449/0x710 [ 6780.126136][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6780.126136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6780.126136][ T7704] ___sys_sendmsg+0xee/0x170 [ 6780.126136][ T7704] __sys_sendmsg+0xcd/0x170 [ 6780.126136][ T7704] do_syscall_64+0xc6/0x1e0 [ 6780.126136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6780.126136][ T7704] [ 6780.127871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6780.127871][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6780.127871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6780.127871][ T7704] ipv6_find_idev+0x102/0x170 [ 6780.127871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6780.127871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6780.127871][ T7704] netlink_rcv_skb+0x130/0x360 [ 6780.127871][ T7704] netlink_unicast+0x449/0x710 [ 6780.127871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6780.127871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6780.127871][ T7704] ___sys_sendmsg+0xee/0x170 [ 6780.127871][ T7704] __sys_sendmsg+0xcd/0x170 [ 6780.127871][ T7704] do_syscall_64+0xc6/0x1e0 [ 6780.127871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6780.127871][ T7704] [ 6790.382941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6790.383470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6790.383470][ T7704] netdev_get_by_index+0x5e/0x80 [ 6790.383470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6790.383470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6790.383470][ T7704] ip6_route_add+0x1c/0x140 [ 6790.383470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6790.383470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6790.383470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6790.383470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6790.383470][ T7704] netlink_rcv_skb+0x130/0x360 [ 6790.383470][ T7704] netlink_unicast+0x449/0x710 [ 6790.383470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6790.383470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6790.383470][ T7704] ___sys_sendmsg+0xee/0x170 [ 6790.383470][ T7704] __sys_sendmsg+0xcd/0x170 [ 6790.383470][ T7704] do_syscall_64+0xc6/0x1e0 [ 6790.383470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6790.383470][ T7704] [ 6790.386257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6790.386257][ T7704] netdev_get_by_index+0x5e/0x80 [ 6790.386257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6790.386257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6790.386257][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6790.386257][ T7704] ipv6_add_addr+0x411/0x2000 [ 6790.386257][ T7704] inet6_addr_add+0x30e/0xa40 [ 6790.386257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6790.386257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6790.386257][ T7704] netlink_rcv_skb+0x130/0x360 [ 6790.386257][ T7704] netlink_unicast+0x449/0x710 [ 6790.386257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6790.386257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6790.386257][ T7704] ___sys_sendmsg+0xee/0x170 [ 6790.386257][ T7704] __sys_sendmsg+0xcd/0x170 [ 6790.386257][ T7704] do_syscall_64+0xc6/0x1e0 [ 6790.386257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6790.386257][ T7704] [ 6790.389020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6790.389020][ T7704] netdev_get_by_index+0x5e/0x80 [ 6790.389020][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6790.389020][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6790.389020][ T7704] ip6_route_add+0x1c/0x140 [ 6790.389020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6790.389020][ T7704] addrconf_add_dev+0xe2/0x170 [ 6790.389020][ T7704] inet6_addr_add+0x12f/0xa40 [ 6790.389020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6790.389020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6790.389020][ T7704] netlink_rcv_skb+0x130/0x360 [ 6790.389020][ T7704] netlink_unicast+0x449/0x710 [ 6790.389020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6790.389020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6790.389020][ T7704] ___sys_sendmsg+0xee/0x170 [ 6790.389020][ T7704] __sys_sendmsg+0xcd/0x170 [ 6790.389020][ T7704] do_syscall_64+0xc6/0x1e0 [ 6790.389020][ T7704] [ 6790.391726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6790.391726][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6790.391726][ T7704] ipv6_find_idev+0x102/0x170 [ 6790.391726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6790.391726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6790.391726][ T7704] netlink_rcv_skb+0x130/0x360 [ 6790.391726][ T7704] netlink_unicast+0x449/0x710 [ 6790.391726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6790.391726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6790.391726][ T7704] ___sys_sendmsg+0xee/0x170 [ 6790.391726][ T7704] __sys_sendmsg+0xcd/0x170 [ 6790.391726][ T7704] do_syscall_64+0xc6/0x1e0 [ 6790.391726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6790.391726][ T7704] [ 6790.393842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6790.393842][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6790.393842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6790.393842][ T7704] ipv6_find_idev+0x102/0x170 [ 6790.393842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6790.393842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6790.393842][ T7704] netlink_rcv_skb+0x130/0x360 [ 6790.393842][ T7704] netlink_unicast+0x449/0x710 [ 6790.393842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6790.393842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6790.393842][ T7704] ___sys_sendmsg+0xee/0x170 [ 6790.393842][ T7704] __sys_sendmsg+0xcd/0x170 [ 6790.393842][ T7704] do_syscall_64+0xc6/0x1e0 [ 6790.393842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6790.393842][ T7704] [ 6800.414938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6800.415463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6800.415463][ T7704] netdev_get_by_index+0x5e/0x80 [ 6800.415463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6800.415463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6800.415463][ T7704] ip6_route_add+0x1c/0x140 [ 6800.415463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6800.415463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6800.415463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6800.415463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6800.415463][ T7704] netlink_rcv_skb+0x130/0x360 [ 6800.415463][ T7704] netlink_unicast+0x449/0x710 [ 6800.415463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6800.415463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6800.415463][ T7704] ___sys_sendmsg+0xee/0x170 [ 6800.415463][ T7704] __sys_sendmsg+0xcd/0x170 [ 6800.415463][ T7704] do_syscall_64+0xc6/0x1e0 [ 6800.415463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6800.415463][ T7704] [ 6800.417924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6800.417924][ T7704] netdev_get_by_index+0x5e/0x80 [ 6800.417924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6800.417924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6800.417924][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6800.417924][ T7704] ipv6_add_addr+0x411/0x2000 [ 6800.417924][ T7704] inet6_addr_add+0x30e/0xa40 [ 6800.417924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6800.417924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6800.417924][ T7704] netlink_rcv_skb+0x130/0x360 [ 6800.417924][ T7704] netlink_unicast+0x449/0x710 [ 6800.417924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6800.417924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6800.417924][ T7704] ___sys_sendmsg+0xee/0x170 [ 6800.417924][ T7704] __sys_sendmsg+0xcd/0x170 [ 6800.417924][ T7704] do_syscall_64+0xc6/0x1e0 [ 6800.417924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6800.417924][ T7704] [ 6800.420207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6800.420207][ T7704] netdev_get_by_index+0x5e/0x80 [ 6800.420207][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6800.420207][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6800.420207][ T7704] ip6_route_add+0x1c/0x140 [ 6800.420207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6800.420207][ T7704] addrconf_add_dev+0xe2/0x170 [ 6800.420207][ T7704] inet6_addr_add+0x12f/0xa40 [ 6800.420207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6800.420207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6800.420207][ T7704] netlink_rcv_skb+0x130/0x360 [ 6800.420207][ T7704] netlink_unicast+0x449/0x710 [ 6800.420207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6800.420207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6800.420207][ T7704] ___sys_sendmsg+0xee/0x170 [ 6800.420207][ T7704] __sys_sendmsg+0xcd/0x170 [ 6800.420207][ T7704] do_syscall_64+0xc6/0x1e0 [ 6800.420207][ T7704] [ 6800.422455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6800.422455][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6800.422455][ T7704] ipv6_find_idev+0x102/0x170 [ 6800.422455][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6800.422455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6800.422455][ T7704] netlink_rcv_skb+0x130/0x360 [ 6800.422455][ T7704] netlink_unicast+0x449/0x710 [ 6800.422455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6800.422455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6800.422455][ T7704] ___sys_sendmsg+0xee/0x170 [ 6800.422455][ T7704] __sys_sendmsg+0xcd/0x170 [ 6800.422455][ T7704] do_syscall_64+0xc6/0x1e0 [ 6800.422455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6800.422455][ T7704] [ 6800.424214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6800.424214][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6800.424214][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6800.424214][ T7704] ipv6_find_idev+0x102/0x170 [ 6800.424214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6800.424214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6800.424214][ T7704] netlink_rcv_skb+0x130/0x360 [ 6800.424214][ T7704] netlink_unicast+0x449/0x710 [ 6800.424214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6800.424214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6800.424214][ T7704] ___sys_sendmsg+0xee/0x170 [ 6800.424214][ T7704] __sys_sendmsg+0xcd/0x170 [ 6800.424214][ T7704] do_syscall_64+0xc6/0x1e0 [ 6800.424214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6800.424214][ T7704] [ 6810.838982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6810.839516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6810.839516][ T7704] netdev_get_by_index+0x5e/0x80 [ 6810.839516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6810.839516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6810.839516][ T7704] ip6_route_add+0x1c/0x140 [ 6810.839516][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6810.839516][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6810.839516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6810.839516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6810.839516][ T7704] netlink_rcv_skb+0x130/0x360 [ 6810.839516][ T7704] netlink_unicast+0x449/0x710 [ 6810.839516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6810.839516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6810.839516][ T7704] ___sys_sendmsg+0xee/0x170 [ 6810.839516][ T7704] __sys_sendmsg+0xcd/0x170 [ 6810.839516][ T7704] do_syscall_64+0xc6/0x1e0 [ 6810.839516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6810.839516][ T7704] [ 6810.841832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6810.841832][ T7704] netdev_get_by_index+0x5e/0x80 [ 6810.841832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6810.841832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6810.841832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6810.841832][ T7704] ipv6_add_addr+0x411/0x2000 [ 6810.841832][ T7704] inet6_addr_add+0x30e/0xa40 [ 6810.841832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6810.841832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6810.841832][ T7704] netlink_rcv_skb+0x130/0x360 [ 6810.841832][ T7704] netlink_unicast+0x449/0x710 [ 6810.841832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6810.841832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6810.841832][ T7704] ___sys_sendmsg+0xee/0x170 [ 6810.841832][ T7704] __sys_sendmsg+0xcd/0x170 [ 6810.841832][ T7704] do_syscall_64+0xc6/0x1e0 [ 6810.841832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6810.841832][ T7704] [ 6810.844114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6810.844114][ T7704] netdev_get_by_index+0x5e/0x80 [ 6810.844114][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6810.844114][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6810.844114][ T7704] ip6_route_add+0x1c/0x140 [ 6810.844114][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6810.844114][ T7704] addrconf_add_dev+0xe2/0x170 [ 6810.844114][ T7704] inet6_addr_add+0x12f/0xa40 [ 6810.844114][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6810.844114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6810.844114][ T7704] netlink_rcv_skb+0x130/0x360 [ 6810.844114][ T7704] netlink_unicast+0x449/0x710 [ 6810.844114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6810.844114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6810.844114][ T7704] ___sys_sendmsg+0xee/0x170 [ 6810.844114][ T7704] __sys_sendmsg+0xcd/0x170 [ 6810.844114][ T7704] do_syscall_64+0xc6/0x1e0 [ 6810.844114][ T7704] [ 6810.846346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6810.846346][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6810.846346][ T7704] ipv6_find_idev+0x102/0x170 [ 6810.846346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6810.846346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6810.846346][ T7704] netlink_rcv_skb+0x130/0x360 [ 6810.846346][ T7704] netlink_unicast+0x449/0x710 [ 6810.846346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6810.846346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6810.846346][ T7704] ___sys_sendmsg+0xee/0x170 [ 6810.846346][ T7704] __sys_sendmsg+0xcd/0x170 [ 6810.846346][ T7704] do_syscall_64+0xc6/0x1e0 [ 6810.846346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6810.846346][ T7704] [ 6810.848113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6810.848113][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6810.848113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6810.848113][ T7704] ipv6_find_idev+0x102/0x170 [ 6810.848113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6810.848113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6810.848113][ T7704] netlink_rcv_skb+0x130/0x360 [ 6810.848113][ T7704] netlink_unicast+0x449/0x710 [ 6810.848113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6810.848113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6810.848113][ T7704] ___sys_sendmsg+0xee/0x170 [ 6810.848113][ T7704] __sys_sendmsg+0xcd/0x170 [ 6810.848113][ T7704] do_syscall_64+0xc6/0x1e0 [ 6810.848113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6810.848113][ T7704] [ 6820.982932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6820.983436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6820.983436][ T7704] netdev_get_by_index+0x5e/0x80 [ 6820.983436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6820.983436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6820.983436][ T7704] ip6_route_add+0x1c/0x140 [ 6820.983436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6820.983436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6820.983436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.983436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.983436][ T7704] netlink_rcv_skb+0x130/0x360 [ 6820.983436][ T7704] netlink_unicast+0x449/0x710 [ 6820.983436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6820.983436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6820.983436][ T7704] ___sys_sendmsg+0xee/0x170 [ 6820.983436][ T7704] __sys_sendmsg+0xcd/0x170 [ 6820.983436][ T7704] do_syscall_64+0xc6/0x1e0 [ 6820.983436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.983436][ T7704] [ 6820.985739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6820.985739][ T7704] netdev_get_by_index+0x5e/0x80 [ 6820.985739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6820.985739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6820.985739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6820.985739][ T7704] ipv6_add_addr+0x411/0x2000 [ 6820.985739][ T7704] inet6_addr_add+0x30e/0xa40 [ 6820.985739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.985739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.985739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6820.985739][ T7704] netlink_unicast+0x449/0x710 [ 6820.985739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6820.985739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6820.985739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6820.985739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6820.985739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6820.985739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.985739][ T7704] [ 6820.987989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6820.987989][ T7704] netdev_get_by_index+0x5e/0x80 [ 6820.987989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6820.987989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6820.987989][ T7704] ip6_route_add+0x1c/0x140 [ 6820.987989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6820.987989][ T7704] addrconf_add_dev+0xe2/0x170 [ 6820.987989][ T7704] inet6_addr_add+0x12f/0xa40 [ 6820.987989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.987989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.987989][ T7704] netlink_rcv_skb+0x130/0x360 [ 6820.987989][ T7704] netlink_unicast+0x449/0x710 [ 6820.987989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6820.987989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6820.987989][ T7704] ___sys_sendmsg+0xee/0x170 [ 6820.987989][ T7704] __sys_sendmsg+0xcd/0x170 [ 6820.987989][ T7704] do_syscall_64+0xc6/0x1e0 [ 6820.987989][ T7704] [ 6820.990200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6820.990200][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6820.990200][ T7704] ipv6_find_idev+0x102/0x170 [ 6820.990200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.990200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.990200][ T7704] netlink_rcv_skb+0x130/0x360 [ 6820.990200][ T7704] netlink_unicast+0x449/0x710 [ 6820.990200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6820.990200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6820.990200][ T7704] ___sys_sendmsg+0xee/0x170 [ 6820.990200][ T7704] __sys_sendmsg+0xcd/0x170 [ 6820.990200][ T7704] do_syscall_64+0xc6/0x1e0 [ 6820.990200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.990200][ T7704] [ 6820.991924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6820.991924][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6820.991924][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6820.991924][ T7704] ipv6_find_idev+0x102/0x170 [ 6820.991924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.991924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.991924][ T7704] netlink_rcv_skb+0x130/0x360 [ 6820.991924][ T7704] netlink_unicast+0x449/0x710 [ 6820.991924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6820.991924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6820.991924][ T7704] ___sys_sendmsg+0xee/0x170 [ 6820.991924][ T7704] __sys_sendmsg+0xcd/0x170 [ 6820.991924][ T7704] do_syscall_64+0xc6/0x1e0 [ 6820.991924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.991924][ T7704] [ 6831.094947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6831.095519][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6831.095519][ T7704] netdev_get_by_index+0x5e/0x80 [ 6831.095519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6831.095519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6831.095519][ T7704] ip6_route_add+0x1c/0x140 [ 6831.095519][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6831.095519][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6831.095519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6831.095519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6831.095519][ T7704] netlink_rcv_skb+0x130/0x360 [ 6831.095519][ T7704] netlink_unicast+0x449/0x710 [ 6831.095519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6831.095519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6831.095519][ T7704] ___sys_sendmsg+0xee/0x170 [ 6831.095519][ T7704] __sys_sendmsg+0xcd/0x170 [ 6831.095519][ T7704] do_syscall_64+0xc6/0x1e0 [ 6831.095519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6831.095519][ T7704] [ 6831.097838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6831.097838][ T7704] netdev_get_by_index+0x5e/0x80 [ 6831.097838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6831.097838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6831.097838][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6831.097838][ T7704] ipv6_add_addr+0x411/0x2000 [ 6831.097838][ T7704] inet6_addr_add+0x30e/0xa40 [ 6831.097838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6831.097838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6831.097838][ T7704] netlink_rcv_skb+0x130/0x360 [ 6831.097838][ T7704] netlink_unicast+0x449/0x710 [ 6831.097838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6831.097838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6831.097838][ T7704] ___sys_sendmsg+0xee/0x170 [ 6831.097838][ T7704] __sys_sendmsg+0xcd/0x170 [ 6831.097838][ T7704] do_syscall_64+0xc6/0x1e0 [ 6831.097838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6831.097838][ T7704] [ 6831.100222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6831.100222][ T7704] netdev_get_by_index+0x5e/0x80 [ 6831.100222][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6831.100222][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6831.100222][ T7704] ip6_route_add+0x1c/0x140 [ 6831.100222][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6831.100222][ T7704] addrconf_add_dev+0xe2/0x170 [ 6831.100222][ T7704] inet6_addr_add+0x12f/0xa40 [ 6831.100222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6831.100222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6831.100222][ T7704] netlink_rcv_skb+0x130/0x360 [ 6831.100222][ T7704] netlink_unicast+0x449/0x710 [ 6831.100222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6831.100222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6831.100222][ T7704] ___sys_sendmsg+0xee/0x170 [ 6831.100222][ T7704] __sys_sendmsg+0xcd/0x170 [ 6831.100222][ T7704] do_syscall_64+0xc6/0x1e0 [ 6831.100222][ T7704] [ 6831.102460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6831.102460][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6831.102460][ T7704] ipv6_find_idev+0x102/0x170 [ 6831.102460][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6831.102460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6831.102460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6831.102460][ T7704] netlink_unicast+0x449/0x710 [ 6831.102460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6831.102460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6831.102460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6831.102460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6831.102460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6831.102460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6831.102460][ T7704] [ 6831.104200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6831.104200][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6831.104200][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6831.104200][ T7704] ipv6_find_idev+0x102/0x170 [ 6831.104200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6831.104200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6831.104200][ T7704] netlink_rcv_skb+0x130/0x360 [ 6831.104200][ T7704] netlink_unicast+0x449/0x710 [ 6831.104200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6831.104200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6831.104200][ T7704] ___sys_sendmsg+0xee/0x170 [ 6831.104200][ T7704] __sys_sendmsg+0xcd/0x170 [ 6831.104200][ T7704] do_syscall_64+0xc6/0x1e0 [ 6831.104200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6831.104200][ T7704] [ 6841.278942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6841.279473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6841.279473][ T7704] netdev_get_by_index+0x5e/0x80 [ 6841.279473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6841.279473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6841.279473][ T7704] ip6_route_add+0x1c/0x140 [ 6841.279473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6841.279473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6841.279473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6841.279473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6841.279473][ T7704] netlink_rcv_skb+0x130/0x360 [ 6841.279473][ T7704] netlink_unicast+0x449/0x710 [ 6841.279473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6841.279473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6841.279473][ T7704] ___sys_sendmsg+0xee/0x170 [ 6841.279473][ T7704] __sys_sendmsg+0xcd/0x170 [ 6841.279473][ T7704] do_syscall_64+0xc6/0x1e0 [ 6841.279473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6841.279473][ T7704] [ 6841.281738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6841.281738][ T7704] netdev_get_by_index+0x5e/0x80 [ 6841.281738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6841.281738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6841.281738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6841.281738][ T7704] ipv6_add_addr+0x411/0x2000 [ 6841.281738][ T7704] inet6_addr_add+0x30e/0xa40 [ 6841.281738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6841.281738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6841.281738][ T7704] netlink_rcv_skb+0x130/0x360 [ 6841.281738][ T7704] netlink_unicast+0x449/0x710 [ 6841.281738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6841.281738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6841.281738][ T7704] ___sys_sendmsg+0xee/0x170 [ 6841.281738][ T7704] __sys_sendmsg+0xcd/0x170 [ 6841.281738][ T7704] do_syscall_64+0xc6/0x1e0 [ 6841.281738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6841.281738][ T7704] [ 6841.283989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6841.283989][ T7704] netdev_get_by_index+0x5e/0x80 [ 6841.283989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6841.283989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6841.283989][ T7704] ip6_route_add+0x1c/0x140 [ 6841.283989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6841.283989][ T7704] addrconf_add_dev+0xe2/0x170 [ 6841.283989][ T7704] inet6_addr_add+0x12f/0xa40 [ 6841.283989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6841.283989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6841.283989][ T7704] netlink_rcv_skb+0x130/0x360 [ 6841.283989][ T7704] netlink_unicast+0x449/0x710 [ 6841.283989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6841.283989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6841.283989][ T7704] ___sys_sendmsg+0xee/0x170 [ 6841.283989][ T7704] __sys_sendmsg+0xcd/0x170 [ 6841.283989][ T7704] do_syscall_64+0xc6/0x1e0 [ 6841.283989][ T7704] [ 6841.286724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6841.286724][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6841.286724][ T7704] ipv6_find_idev+0x102/0x170 [ 6841.286724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6841.286724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6841.286724][ T7704] netlink_rcv_skb+0x130/0x360 [ 6841.286724][ T7704] netlink_unicast+0x449/0x710 [ 6841.286724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6841.286724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6841.286724][ T7704] ___sys_sendmsg+0xee/0x170 [ 6841.286724][ T7704] __sys_sendmsg+0xcd/0x170 [ 6841.286724][ T7704] do_syscall_64+0xc6/0x1e0 [ 6841.286724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6841.286724][ T7704] [ 6841.288457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6841.288457][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6841.288457][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6841.288457][ T7704] ipv6_find_idev+0x102/0x170 [ 6841.288457][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6841.288457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6841.288457][ T7704] netlink_rcv_skb+0x130/0x360 [ 6841.288457][ T7704] netlink_unicast+0x449/0x710 [ 6841.288457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6841.288457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6841.288457][ T7704] ___sys_sendmsg+0xee/0x170 [ 6841.288457][ T7704] __sys_sendmsg+0xcd/0x170 [ 6841.288457][ T7704] do_syscall_64+0xc6/0x1e0 [ 6841.288457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6841.288457][ T7704] [ 6851.526929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6851.527459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6851.527459][ T7704] netdev_get_by_index+0x5e/0x80 [ 6851.527459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6851.527459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6851.527459][ T7704] ip6_route_add+0x1c/0x140 [ 6851.527459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6851.527459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6851.527459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.527459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.527459][ T7704] netlink_rcv_skb+0x130/0x360 [ 6851.527459][ T7704] netlink_unicast+0x449/0x710 [ 6851.527459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6851.527459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6851.527459][ T7704] ___sys_sendmsg+0xee/0x170 [ 6851.527459][ T7704] __sys_sendmsg+0xcd/0x170 [ 6851.527459][ T7704] do_syscall_64+0xc6/0x1e0 [ 6851.527459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.527459][ T7704] [ 6851.529733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6851.529733][ T7704] netdev_get_by_index+0x5e/0x80 [ 6851.529733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6851.529733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6851.529733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6851.529733][ T7704] ipv6_add_addr+0x411/0x2000 [ 6851.529733][ T7704] inet6_addr_add+0x30e/0xa40 [ 6851.529733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.529733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.529733][ T7704] netlink_rcv_skb+0x130/0x360 [ 6851.529733][ T7704] netlink_unicast+0x449/0x710 [ 6851.529733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6851.529733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6851.529733][ T7704] ___sys_sendmsg+0xee/0x170 [ 6851.529733][ T7704] __sys_sendmsg+0xcd/0x170 [ 6851.529733][ T7704] do_syscall_64+0xc6/0x1e0 [ 6851.529733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.529733][ T7704] [ 6851.532334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6851.532334][ T7704] netdev_get_by_index+0x5e/0x80 [ 6851.532334][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6851.532334][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6851.532334][ T7704] ip6_route_add+0x1c/0x140 [ 6851.532334][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6851.532334][ T7704] addrconf_add_dev+0xe2/0x170 [ 6851.532334][ T7704] inet6_addr_add+0x12f/0xa40 [ 6851.532334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.532334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.532334][ T7704] netlink_rcv_skb+0x130/0x360 [ 6851.532334][ T7704] netlink_unicast+0x449/0x710 [ 6851.532334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6851.532334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6851.532334][ T7704] ___sys_sendmsg+0xee/0x170 [ 6851.532334][ T7704] __sys_sendmsg+0xcd/0x170 [ 6851.532334][ T7704] do_syscall_64+0xc6/0x1e0 [ 6851.532334][ T7704] [ 6851.534521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6851.534521][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6851.534521][ T7704] ipv6_find_idev+0x102/0x170 [ 6851.534521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.534521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.534521][ T7704] netlink_rcv_skb+0x130/0x360 [ 6851.534521][ T7704] netlink_unicast+0x449/0x710 [ 6851.534521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6851.534521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6851.534521][ T7704] ___sys_sendmsg+0xee/0x170 [ 6851.534521][ T7704] __sys_sendmsg+0xcd/0x170 [ 6851.534521][ T7704] do_syscall_64+0xc6/0x1e0 [ 6851.534521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.534521][ T7704] [ 6851.536237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6851.536237][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6851.536237][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6851.536237][ T7704] ipv6_find_idev+0x102/0x170 [ 6851.536237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.536237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.536237][ T7704] netlink_rcv_skb+0x130/0x360 [ 6851.536237][ T7704] netlink_unicast+0x449/0x710 [ 6851.536237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6851.536237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6851.536237][ T7704] ___sys_sendmsg+0xee/0x170 [ 6851.536237][ T7704] __sys_sendmsg+0xcd/0x170 [ 6851.536237][ T7704] do_syscall_64+0xc6/0x1e0 [ 6851.536237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.536237][ T7704] [ 6861.630936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6861.631445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6861.631445][ T7704] netdev_get_by_index+0x5e/0x80 [ 6861.631445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6861.631445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6861.631445][ T7704] ip6_route_add+0x1c/0x140 [ 6861.631445][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6861.631445][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6861.631445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.631445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.631445][ T7704] netlink_rcv_skb+0x130/0x360 [ 6861.631445][ T7704] netlink_unicast+0x449/0x710 [ 6861.631445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6861.631445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6861.631445][ T7704] ___sys_sendmsg+0xee/0x170 [ 6861.631445][ T7704] __sys_sendmsg+0xcd/0x170 [ 6861.631445][ T7704] do_syscall_64+0xc6/0x1e0 [ 6861.631445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.631445][ T7704] [ 6861.633703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6861.633703][ T7704] netdev_get_by_index+0x5e/0x80 [ 6861.633703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6861.633703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6861.633703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6861.633703][ T7704] ipv6_add_addr+0x411/0x2000 [ 6861.633703][ T7704] inet6_addr_add+0x30e/0xa40 [ 6861.633703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.633703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.633703][ T7704] netlink_rcv_skb+0x130/0x360 [ 6861.633703][ T7704] netlink_unicast+0x449/0x710 [ 6861.633703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6861.633703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6861.633703][ T7704] ___sys_sendmsg+0xee/0x170 [ 6861.633703][ T7704] __sys_sendmsg+0xcd/0x170 [ 6861.633703][ T7704] do_syscall_64+0xc6/0x1e0 [ 6861.633703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.633703][ T7704] [ 6861.635938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6861.635938][ T7704] netdev_get_by_index+0x5e/0x80 [ 6861.635938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6861.635938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6861.635938][ T7704] ip6_route_add+0x1c/0x140 [ 6861.635938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6861.635938][ T7704] addrconf_add_dev+0xe2/0x170 [ 6861.635938][ T7704] inet6_addr_add+0x12f/0xa40 [ 6861.635938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.635938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.635938][ T7704] netlink_rcv_skb+0x130/0x360 [ 6861.635938][ T7704] netlink_unicast+0x449/0x710 [ 6861.635938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6861.635938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6861.635938][ T7704] ___sys_sendmsg+0xee/0x170 [ 6861.635938][ T7704] __sys_sendmsg+0xcd/0x170 [ 6861.635938][ T7704] do_syscall_64+0xc6/0x1e0 [ 6861.635938][ T7704] [ 6861.638136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6861.638136][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6861.638136][ T7704] ipv6_find_idev+0x102/0x170 [ 6861.638136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.638136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.638136][ T7704] netlink_rcv_skb+0x130/0x360 [ 6861.638136][ T7704] netlink_unicast+0x449/0x710 [ 6861.638136][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6861.638136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6861.638136][ T7704] ___sys_sendmsg+0xee/0x170 [ 6861.638136][ T7704] __sys_sendmsg+0xcd/0x170 [ 6861.638136][ T7704] do_syscall_64+0xc6/0x1e0 [ 6861.638136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.638136][ T7704] [ 6861.639846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6861.639846][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6861.639846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6861.639846][ T7704] ipv6_find_idev+0x102/0x170 [ 6861.639846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.639846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.639846][ T7704] netlink_rcv_skb+0x130/0x360 [ 6861.639846][ T7704] netlink_unicast+0x449/0x710 [ 6861.639846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6861.639846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6861.639846][ T7704] ___sys_sendmsg+0xee/0x170 [ 6861.639846][ T7704] __sys_sendmsg+0xcd/0x170 [ 6861.639846][ T7704] do_syscall_64+0xc6/0x1e0 [ 6861.639846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.639846][ T7704] [ 6871.886943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6871.887448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6871.887448][ T7704] netdev_get_by_index+0x5e/0x80 [ 6871.887448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6871.887448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6871.887448][ T7704] ip6_route_add+0x1c/0x140 [ 6871.887448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6871.887448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6871.887448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.887448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.887448][ T7704] netlink_rcv_skb+0x130/0x360 [ 6871.887448][ T7704] netlink_unicast+0x449/0x710 [ 6871.887448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6871.887448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6871.887448][ T7704] ___sys_sendmsg+0xee/0x170 [ 6871.887448][ T7704] __sys_sendmsg+0xcd/0x170 [ 6871.887448][ T7704] do_syscall_64+0xc6/0x1e0 [ 6871.887448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.887448][ T7704] [ 6871.889714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6871.889714][ T7704] netdev_get_by_index+0x5e/0x80 [ 6871.889714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6871.889714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6871.889714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6871.889714][ T7704] ipv6_add_addr+0x411/0x2000 [ 6871.889714][ T7704] inet6_addr_add+0x30e/0xa40 [ 6871.889714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.889714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.889714][ T7704] netlink_rcv_skb+0x130/0x360 [ 6871.889714][ T7704] netlink_unicast+0x449/0x710 [ 6871.889714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6871.889714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6871.889714][ T7704] ___sys_sendmsg+0xee/0x170 [ 6871.889714][ T7704] __sys_sendmsg+0xcd/0x170 [ 6871.889714][ T7704] do_syscall_64+0xc6/0x1e0 [ 6871.889714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.889714][ T7704] [ 6871.891948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6871.891948][ T7704] netdev_get_by_index+0x5e/0x80 [ 6871.891948][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6871.891948][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6871.891948][ T7704] ip6_route_add+0x1c/0x140 [ 6871.891948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6871.891948][ T7704] addrconf_add_dev+0xe2/0x170 [ 6871.891948][ T7704] inet6_addr_add+0x12f/0xa40 [ 6871.891948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.891948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.891948][ T7704] netlink_rcv_skb+0x130/0x360 [ 6871.891948][ T7704] netlink_unicast+0x449/0x710 [ 6871.891948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6871.891948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6871.891948][ T7704] ___sys_sendmsg+0xee/0x170 [ 6871.891948][ T7704] __sys_sendmsg+0xcd/0x170 [ 6871.891948][ T7704] do_syscall_64+0xc6/0x1e0 [ 6871.891948][ T7704] [ 6871.894139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6871.894139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6871.894139][ T7704] ipv6_find_idev+0x102/0x170 [ 6871.894139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.894139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.894139][ T7704] netlink_rcv_skb+0x130/0x360 [ 6871.894139][ T7704] netlink_unicast+0x449/0x710 [ 6871.894139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6871.894139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6871.894139][ T7704] ___sys_sendmsg+0xee/0x170 [ 6871.894139][ T7704] __sys_sendmsg+0xcd/0x170 [ 6871.894139][ T7704] do_syscall_64+0xc6/0x1e0 [ 6871.894139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.894139][ T7704] [ 6871.895884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6871.895884][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6871.895884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6871.895884][ T7704] ipv6_find_idev+0x102/0x170 [ 6871.895884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.895884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.895884][ T7704] netlink_rcv_skb+0x130/0x360 [ 6871.895884][ T7704] netlink_unicast+0x449/0x710 [ 6871.895884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6871.895884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6871.895884][ T7704] ___sys_sendmsg+0xee/0x170 [ 6871.895884][ T7704] __sys_sendmsg+0xcd/0x170 [ 6871.895884][ T7704] do_syscall_64+0xc6/0x1e0 [ 6871.895884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.895884][ T7704] [ 6882.143022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6882.143581][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6882.143581][ T7704] netdev_get_by_index+0x5e/0x80 [ 6882.143581][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6882.143581][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6882.143581][ T7704] ip6_route_add+0x1c/0x140 [ 6882.143581][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6882.143581][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6882.143581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6882.143581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6882.143581][ T7704] netlink_rcv_skb+0x130/0x360 [ 6882.143581][ T7704] netlink_unicast+0x449/0x710 [ 6882.143581][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6882.143581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6882.143581][ T7704] ___sys_sendmsg+0xee/0x170 [ 6882.143581][ T7704] __sys_sendmsg+0xcd/0x170 [ 6882.143581][ T7704] do_syscall_64+0xc6/0x1e0 [ 6882.143581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6882.143581][ T7704] [ 6882.145823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6882.145823][ T7704] netdev_get_by_index+0x5e/0x80 [ 6882.145823][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6882.145823][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6882.145823][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6882.145823][ T7704] ipv6_add_addr+0x411/0x2000 [ 6882.145823][ T7704] inet6_addr_add+0x30e/0xa40 [ 6882.145823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6882.145823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6882.145823][ T7704] netlink_rcv_skb+0x130/0x360 [ 6882.145823][ T7704] netlink_unicast+0x449/0x710 [ 6882.145823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6882.145823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6882.145823][ T7704] ___sys_sendmsg+0xee/0x170 [ 6882.145823][ T7704] __sys_sendmsg+0xcd/0x170 [ 6882.145823][ T7704] do_syscall_64+0xc6/0x1e0 [ 6882.145823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6882.145823][ T7704] [ 6882.148074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6882.148074][ T7704] netdev_get_by_index+0x5e/0x80 [ 6882.148074][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6882.148074][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6882.148074][ T7704] ip6_route_add+0x1c/0x140 [ 6882.148074][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6882.148074][ T7704] addrconf_add_dev+0xe2/0x170 [ 6882.148074][ T7704] inet6_addr_add+0x12f/0xa40 [ 6882.148074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6882.148074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6882.148074][ T7704] netlink_rcv_skb+0x130/0x360 [ 6882.148074][ T7704] netlink_unicast+0x449/0x710 [ 6882.148074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6882.148074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6882.148074][ T7704] ___sys_sendmsg+0xee/0x170 [ 6882.148074][ T7704] __sys_sendmsg+0xcd/0x170 [ 6882.148074][ T7704] do_syscall_64+0xc6/0x1e0 [ 6882.148074][ T7704] [ 6882.150262][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6882.150262][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6882.150262][ T7704] ipv6_find_idev+0x102/0x170 [ 6882.150262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6882.150262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6882.150262][ T7704] netlink_rcv_skb+0x130/0x360 [ 6882.150262][ T7704] netlink_unicast+0x449/0x710 [ 6882.150262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6882.150262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6882.150262][ T7704] ___sys_sendmsg+0xee/0x170 [ 6882.150262][ T7704] __sys_sendmsg+0xcd/0x170 [ 6882.150262][ T7704] do_syscall_64+0xc6/0x1e0 [ 6882.150262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6882.150262][ T7704] [ 6882.151973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6882.151973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6882.151973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6882.151973][ T7704] ipv6_find_idev+0x102/0x170 [ 6882.151973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6882.151973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6882.151973][ T7704] netlink_rcv_skb+0x130/0x360 [ 6882.151973][ T7704] netlink_unicast+0x449/0x710 [ 6882.151973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6882.151973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6882.151973][ T7704] ___sys_sendmsg+0xee/0x170 [ 6882.151973][ T7704] __sys_sendmsg+0xcd/0x170 [ 6882.151973][ T7704] do_syscall_64+0xc6/0x1e0 [ 6882.151973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6882.151973][ T7704] [ 6892.398944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6892.399440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6892.399440][ T7704] netdev_get_by_index+0x5e/0x80 [ 6892.399440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6892.399440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6892.399440][ T7704] ip6_route_add+0x1c/0x140 [ 6892.399440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6892.399440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6892.399440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6892.399440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6892.399440][ T7704] netlink_rcv_skb+0x130/0x360 [ 6892.399440][ T7704] netlink_unicast+0x449/0x710 [ 6892.399440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6892.399440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6892.399440][ T7704] ___sys_sendmsg+0xee/0x170 [ 6892.399440][ T7704] __sys_sendmsg+0xcd/0x170 [ 6892.399440][ T7704] do_syscall_64+0xc6/0x1e0 [ 6892.399440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6892.399440][ T7704] [ 6892.401707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6892.401707][ T7704] netdev_get_by_index+0x5e/0x80 [ 6892.401707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6892.401707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6892.401707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6892.401707][ T7704] ipv6_add_addr+0x411/0x2000 [ 6892.401707][ T7704] inet6_addr_add+0x30e/0xa40 [ 6892.401707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6892.401707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6892.401707][ T7704] netlink_rcv_skb+0x130/0x360 [ 6892.401707][ T7704] netlink_unicast+0x449/0x710 [ 6892.401707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6892.401707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6892.401707][ T7704] ___sys_sendmsg+0xee/0x170 [ 6892.401707][ T7704] __sys_sendmsg+0xcd/0x170 [ 6892.401707][ T7704] do_syscall_64+0xc6/0x1e0 [ 6892.401707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6892.401707][ T7704] [ 6892.403947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6892.403947][ T7704] netdev_get_by_index+0x5e/0x80 [ 6892.403947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6892.403947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6892.403947][ T7704] ip6_route_add+0x1c/0x140 [ 6892.403947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6892.403947][ T7704] addrconf_add_dev+0xe2/0x170 [ 6892.403947][ T7704] inet6_addr_add+0x12f/0xa40 [ 6892.403947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6892.403947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6892.403947][ T7704] netlink_rcv_skb+0x130/0x360 [ 6892.403947][ T7704] netlink_unicast+0x449/0x710 [ 6892.403947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6892.403947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6892.403947][ T7704] ___sys_sendmsg+0xee/0x170 [ 6892.403947][ T7704] __sys_sendmsg+0xcd/0x170 [ 6892.403947][ T7704] do_syscall_64+0xc6/0x1e0 [ 6892.403947][ T7704] [ 6892.406159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6892.406159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6892.406159][ T7704] ipv6_find_idev+0x102/0x170 [ 6892.406159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6892.406159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6892.406159][ T7704] netlink_rcv_skb+0x130/0x360 [ 6892.406159][ T7704] netlink_unicast+0x449/0x710 [ 6892.406159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6892.406159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6892.406159][ T7704] ___sys_sendmsg+0xee/0x170 [ 6892.406159][ T7704] __sys_sendmsg+0xcd/0x170 [ 6892.406159][ T7704] do_syscall_64+0xc6/0x1e0 [ 6892.406159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6892.406159][ T7704] [ 6892.407934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6892.407934][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6892.407934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6892.407934][ T7704] ipv6_find_idev+0x102/0x170 [ 6892.407934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6892.407934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6892.407934][ T7704] netlink_rcv_skb+0x130/0x360 [ 6892.407934][ T7704] netlink_unicast+0x449/0x710 [ 6892.407934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6892.407934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6892.407934][ T7704] ___sys_sendmsg+0xee/0x170 [ 6892.407934][ T7704] __sys_sendmsg+0xcd/0x170 [ 6892.407934][ T7704] do_syscall_64+0xc6/0x1e0 [ 6892.407934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6892.407934][ T7704] [ 6902.438890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6902.439392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6902.439392][ T7704] netdev_get_by_index+0x5e/0x80 [ 6902.439392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6902.439392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6902.439392][ T7704] ip6_route_add+0x1c/0x140 [ 6902.439392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6902.439392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6902.439392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6902.439392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6902.439392][ T7704] netlink_rcv_skb+0x130/0x360 [ 6902.439392][ T7704] netlink_unicast+0x449/0x710 [ 6902.439392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6902.439392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6902.439392][ T7704] ___sys_sendmsg+0xee/0x170 [ 6902.439392][ T7704] __sys_sendmsg+0xcd/0x170 [ 6902.439392][ T7704] do_syscall_64+0xc6/0x1e0 [ 6902.439392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6902.439392][ T7704] [ 6902.441668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6902.441668][ T7704] netdev_get_by_index+0x5e/0x80 [ 6902.441668][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6902.441668][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6902.441668][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6902.441668][ T7704] ipv6_add_addr+0x411/0x2000 [ 6902.441668][ T7704] inet6_addr_add+0x30e/0xa40 [ 6902.441668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6902.441668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6902.441668][ T7704] netlink_rcv_skb+0x130/0x360 [ 6902.441668][ T7704] netlink_unicast+0x449/0x710 [ 6902.441668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6902.441668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6902.441668][ T7704] ___sys_sendmsg+0xee/0x170 [ 6902.441668][ T7704] __sys_sendmsg+0xcd/0x170 [ 6902.441668][ T7704] do_syscall_64+0xc6/0x1e0 [ 6902.441668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6902.441668][ T7704] [ 6902.443928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6902.443928][ T7704] netdev_get_by_index+0x5e/0x80 [ 6902.443928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6902.443928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6902.443928][ T7704] ip6_route_add+0x1c/0x140 [ 6902.443928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6902.443928][ T7704] addrconf_add_dev+0xe2/0x170 [ 6902.443928][ T7704] inet6_addr_add+0x12f/0xa40 [ 6902.443928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6902.443928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6902.443928][ T7704] netlink_rcv_skb+0x130/0x360 [ 6902.443928][ T7704] netlink_unicast+0x449/0x710 [ 6902.443928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6902.443928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6902.443928][ T7704] ___sys_sendmsg+0xee/0x170 [ 6902.443928][ T7704] __sys_sendmsg+0xcd/0x170 [ 6902.443928][ T7704] do_syscall_64+0xc6/0x1e0 [ 6902.443928][ T7704] [ 6902.446128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6902.446128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6902.446128][ T7704] ipv6_find_idev+0x102/0x170 [ 6902.446128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6902.446128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6902.446128][ T7704] netlink_rcv_skb+0x130/0x360 [ 6902.446128][ T7704] netlink_unicast+0x449/0x710 [ 6902.446128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6902.446128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6902.446128][ T7704] ___sys_sendmsg+0xee/0x170 [ 6902.446128][ T7704] __sys_sendmsg+0xcd/0x170 [ 6902.446128][ T7704] do_syscall_64+0xc6/0x1e0 [ 6902.446128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6902.446128][ T7704] [ 6902.447871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6902.447871][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6902.447871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6902.447871][ T7704] ipv6_find_idev+0x102/0x170 [ 6902.447871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6902.447871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6902.447871][ T7704] netlink_rcv_skb+0x130/0x360 [ 6902.447871][ T7704] netlink_unicast+0x449/0x710 [ 6902.447871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6902.447871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6902.447871][ T7704] ___sys_sendmsg+0xee/0x170 [ 6902.447871][ T7704] __sys_sendmsg+0xcd/0x170 [ 6902.447871][ T7704] do_syscall_64+0xc6/0x1e0 [ 6902.447871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6902.447871][ T7704] [ 6912.686975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6912.687437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6912.687437][ T7704] netdev_get_by_index+0x5e/0x80 [ 6912.687437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6912.687437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6912.687437][ T7704] ip6_route_add+0x1c/0x140 [ 6912.687437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6912.687437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6912.687437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.687437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.687437][ T7704] netlink_rcv_skb+0x130/0x360 [ 6912.687437][ T7704] netlink_unicast+0x449/0x710 [ 6912.687437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6912.687437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6912.687437][ T7704] ___sys_sendmsg+0xee/0x170 [ 6912.687437][ T7704] __sys_sendmsg+0xcd/0x170 [ 6912.687437][ T7704] do_syscall_64+0xc6/0x1e0 [ 6912.687437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.687437][ T7704] [ 6912.689682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6912.689682][ T7704] netdev_get_by_index+0x5e/0x80 [ 6912.689682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6912.689682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6912.689682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6912.689682][ T7704] ipv6_add_addr+0x411/0x2000 [ 6912.689682][ T7704] inet6_addr_add+0x30e/0xa40 [ 6912.689682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.689682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.689682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6912.689682][ T7704] netlink_unicast+0x449/0x710 [ 6912.689682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6912.689682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6912.689682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6912.689682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6912.689682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6912.689682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.689682][ T7704] [ 6912.691941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6912.691941][ T7704] netdev_get_by_index+0x5e/0x80 [ 6912.691941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6912.691941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6912.691941][ T7704] ip6_route_add+0x1c/0x140 [ 6912.691941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6912.691941][ T7704] addrconf_add_dev+0xe2/0x170 [ 6912.691941][ T7704] inet6_addr_add+0x12f/0xa40 [ 6912.691941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.691941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.691941][ T7704] netlink_rcv_skb+0x130/0x360 [ 6912.691941][ T7704] netlink_unicast+0x449/0x710 [ 6912.691941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6912.691941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6912.691941][ T7704] ___sys_sendmsg+0xee/0x170 [ 6912.691941][ T7704] __sys_sendmsg+0xcd/0x170 [ 6912.691941][ T7704] do_syscall_64+0xc6/0x1e0 [ 6912.691941][ T7704] [ 6912.694143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6912.694143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6912.694143][ T7704] ipv6_find_idev+0x102/0x170 [ 6912.694143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.694143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.694143][ T7704] netlink_rcv_skb+0x130/0x360 [ 6912.694143][ T7704] netlink_unicast+0x449/0x710 [ 6912.694143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6912.694143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6912.694143][ T7704] ___sys_sendmsg+0xee/0x170 [ 6912.694143][ T7704] __sys_sendmsg+0xcd/0x170 [ 6912.694143][ T7704] do_syscall_64+0xc6/0x1e0 [ 6912.694143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.694143][ T7704] [ 6912.695870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6912.695870][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6912.695870][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6912.695870][ T7704] ipv6_find_idev+0x102/0x170 [ 6912.695870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.695870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.695870][ T7704] netlink_rcv_skb+0x130/0x360 [ 6912.695870][ T7704] netlink_unicast+0x449/0x710 [ 6912.695870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6912.695870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6912.695870][ T7704] ___sys_sendmsg+0xee/0x170 [ 6912.695870][ T7704] __sys_sendmsg+0xcd/0x170 [ 6912.695870][ T7704] do_syscall_64+0xc6/0x1e0 [ 6912.695870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.695870][ T7704] [ 6922.950937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6922.951474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6922.951474][ T7704] netdev_get_by_index+0x5e/0x80 [ 6922.951474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6922.951474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6922.951474][ T7704] ip6_route_add+0x1c/0x140 [ 6922.951474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6922.951474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6922.951474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.951474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.951474][ T7704] netlink_rcv_skb+0x130/0x360 [ 6922.951474][ T7704] netlink_unicast+0x449/0x710 [ 6922.951474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6922.951474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6922.951474][ T7704] ___sys_sendmsg+0xee/0x170 [ 6922.951474][ T7704] __sys_sendmsg+0xcd/0x170 [ 6922.951474][ T7704] do_syscall_64+0xc6/0x1e0 [ 6922.951474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.951474][ T7704] [ 6922.953739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6922.953739][ T7704] netdev_get_by_index+0x5e/0x80 [ 6922.953739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6922.953739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6922.953739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6922.953739][ T7704] ipv6_add_addr+0x411/0x2000 [ 6922.953739][ T7704] inet6_addr_add+0x30e/0xa40 [ 6922.953739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.953739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.953739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6922.953739][ T7704] netlink_unicast+0x449/0x710 [ 6922.953739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6922.953739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6922.953739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6922.953739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6922.953739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6922.953739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.953739][ T7704] [ 6922.955996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6922.955996][ T7704] netdev_get_by_index+0x5e/0x80 [ 6922.955996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6922.955996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6922.955996][ T7704] ip6_route_add+0x1c/0x140 [ 6922.955996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6922.955996][ T7704] addrconf_add_dev+0xe2/0x170 [ 6922.955996][ T7704] inet6_addr_add+0x12f/0xa40 [ 6922.955996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.955996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.955996][ T7704] netlink_rcv_skb+0x130/0x360 [ 6922.955996][ T7704] netlink_unicast+0x449/0x710 [ 6922.955996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6922.955996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6922.955996][ T7704] ___sys_sendmsg+0xee/0x170 [ 6922.955996][ T7704] __sys_sendmsg+0xcd/0x170 [ 6922.955996][ T7704] do_syscall_64+0xc6/0x1e0 [ 6922.955996][ T7704] [ 6922.958224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6922.958224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6922.958224][ T7704] ipv6_find_idev+0x102/0x170 [ 6922.958224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.958224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.958224][ T7704] netlink_rcv_skb+0x130/0x360 [ 6922.958224][ T7704] netlink_unicast+0x449/0x710 [ 6922.958224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6922.958224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6922.958224][ T7704] ___sys_sendmsg+0xee/0x170 [ 6922.958224][ T7704] __sys_sendmsg+0xcd/0x170 [ 6922.958224][ T7704] do_syscall_64+0xc6/0x1e0 [ 6922.958224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.958224][ T7704] [ 6922.960132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6922.960132][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6922.960132][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6922.960132][ T7704] ipv6_find_idev+0x102/0x170 [ 6922.960132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.960132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.960132][ T7704] netlink_rcv_skb+0x130/0x360 [ 6922.960132][ T7704] netlink_unicast+0x449/0x710 [ 6922.960132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6922.960132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6922.960132][ T7704] ___sys_sendmsg+0xee/0x170 [ 6922.960132][ T7704] __sys_sendmsg+0xcd/0x170 [ 6922.960132][ T7704] do_syscall_64+0xc6/0x1e0 [ 6922.960132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.960132][ T7704] [ 6933.198939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6933.200068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6933.200068][ T7704] netdev_get_by_index+0x5e/0x80 [ 6933.200068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6933.200068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6933.200068][ T7704] ip6_route_add+0x1c/0x140 [ 6933.200068][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6933.200068][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6933.200068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6933.200068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6933.200068][ T7704] netlink_rcv_skb+0x130/0x360 [ 6933.200068][ T7704] netlink_unicast+0x449/0x710 [ 6933.200068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6933.200068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6933.200068][ T7704] ___sys_sendmsg+0xee/0x170 [ 6933.200068][ T7704] __sys_sendmsg+0xcd/0x170 [ 6933.200068][ T7704] do_syscall_64+0xc6/0x1e0 [ 6933.200068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6933.200068][ T7704] [ 6933.202855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6933.202855][ T7704] netdev_get_by_index+0x5e/0x80 [ 6933.202855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6933.202855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6933.202855][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6933.202855][ T7704] ipv6_add_addr+0x411/0x2000 [ 6933.202855][ T7704] inet6_addr_add+0x30e/0xa40 [ 6933.202855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6933.202855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6933.202855][ T7704] netlink_rcv_skb+0x130/0x360 [ 6933.202855][ T7704] netlink_unicast+0x449/0x710 [ 6933.202855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6933.202855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6933.202855][ T7704] ___sys_sendmsg+0xee/0x170 [ 6933.202855][ T7704] __sys_sendmsg+0xcd/0x170 [ 6933.202855][ T7704] do_syscall_64+0xc6/0x1e0 [ 6933.202855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6933.202855][ T7704] [ 6933.205614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6933.205614][ T7704] netdev_get_by_index+0x5e/0x80 [ 6933.205614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6933.205614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6933.205614][ T7704] ip6_route_add+0x1c/0x140 [ 6933.205614][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6933.205614][ T7704] addrconf_add_dev+0xe2/0x170 [ 6933.205614][ T7704] inet6_addr_add+0x12f/0xa40 [ 6933.205614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6933.205614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6933.205614][ T7704] netlink_rcv_skb+0x130/0x360 [ 6933.205614][ T7704] netlink_unicast+0x449/0x710 [ 6933.205614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6933.205614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6933.205614][ T7704] ___sys_sendmsg+0xee/0x170 [ 6933.205614][ T7704] __sys_sendmsg+0xcd/0x170 [ 6933.205614][ T7704] do_syscall_64+0xc6/0x1e0 [ 6933.205614][ T7704] [ 6933.208345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6933.208345][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6933.208345][ T7704] ipv6_find_idev+0x102/0x170 [ 6933.208345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6933.208345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6933.208345][ T7704] netlink_rcv_skb+0x130/0x360 [ 6933.208345][ T7704] netlink_unicast+0x449/0x710 [ 6933.208345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6933.208345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6933.208345][ T7704] ___sys_sendmsg+0xee/0x170 [ 6933.208345][ T7704] __sys_sendmsg+0xcd/0x170 [ 6933.208345][ T7704] do_syscall_64+0xc6/0x1e0 [ 6933.208345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6933.208345][ T7704] [ 6933.210468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6933.210468][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6933.210468][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6933.210468][ T7704] ipv6_find_idev+0x102/0x170 [ 6933.210468][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6933.210468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6933.210468][ T7704] netlink_rcv_skb+0x130/0x360 [ 6933.210468][ T7704] netlink_unicast+0x449/0x710 [ 6933.210468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6933.210468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6933.210468][ T7704] ___sys_sendmsg+0xee/0x170 [ 6933.210468][ T7704] __sys_sendmsg+0xcd/0x170 [ 6933.210468][ T7704] do_syscall_64+0xc6/0x1e0 [ 6933.210468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6933.210468][ T7704] [ 6943.214943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6943.215484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6943.215484][ T7704] netdev_get_by_index+0x5e/0x80 [ 6943.215484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6943.215484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6943.215484][ T7704] ip6_route_add+0x1c/0x140 [ 6943.215484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6943.215484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6943.215484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.215484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.215484][ T7704] netlink_rcv_skb+0x130/0x360 [ 6943.215484][ T7704] netlink_unicast+0x449/0x710 [ 6943.215484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6943.215484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6943.215484][ T7704] ___sys_sendmsg+0xee/0x170 [ 6943.215484][ T7704] __sys_sendmsg+0xcd/0x170 [ 6943.215484][ T7704] do_syscall_64+0xc6/0x1e0 [ 6943.215484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.215484][ T7704] [ 6943.218277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6943.218277][ T7704] netdev_get_by_index+0x5e/0x80 [ 6943.218277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6943.218277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6943.218277][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6943.218277][ T7704] ipv6_add_addr+0x411/0x2000 [ 6943.218277][ T7704] inet6_addr_add+0x30e/0xa40 [ 6943.218277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.218277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.218277][ T7704] netlink_rcv_skb+0x130/0x360 [ 6943.218277][ T7704] netlink_unicast+0x449/0x710 [ 6943.218277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6943.218277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6943.218277][ T7704] ___sys_sendmsg+0xee/0x170 [ 6943.218277][ T7704] __sys_sendmsg+0xcd/0x170 [ 6943.218277][ T7704] do_syscall_64+0xc6/0x1e0 [ 6943.218277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.218277][ T7704] [ 6943.221035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6943.221035][ T7704] netdev_get_by_index+0x5e/0x80 [ 6943.221035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6943.221035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6943.221035][ T7704] ip6_route_add+0x1c/0x140 [ 6943.221035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6943.221035][ T7704] addrconf_add_dev+0xe2/0x170 [ 6943.221035][ T7704] inet6_addr_add+0x12f/0xa40 [ 6943.221035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.221035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.221035][ T7704] netlink_rcv_skb+0x130/0x360 [ 6943.221035][ T7704] netlink_unicast+0x449/0x710 [ 6943.221035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6943.221035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6943.221035][ T7704] ___sys_sendmsg+0xee/0x170 [ 6943.221035][ T7704] __sys_sendmsg+0xcd/0x170 [ 6943.221035][ T7704] do_syscall_64+0xc6/0x1e0 [ 6943.221035][ T7704] [ 6943.223740][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6943.223740][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6943.223740][ T7704] ipv6_find_idev+0x102/0x170 [ 6943.223740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.223740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.223740][ T7704] netlink_rcv_skb+0x130/0x360 [ 6943.223740][ T7704] netlink_unicast+0x449/0x710 [ 6943.223740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6943.223740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6943.223740][ T7704] ___sys_sendmsg+0xee/0x170 [ 6943.223740][ T7704] __sys_sendmsg+0xcd/0x170 [ 6943.223740][ T7704] do_syscall_64+0xc6/0x1e0 [ 6943.223740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.223740][ T7704] [ 6943.225860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6943.225860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6943.225860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6943.225860][ T7704] ipv6_find_idev+0x102/0x170 [ 6943.225860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.225860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.225860][ T7704] netlink_rcv_skb+0x130/0x360 [ 6943.225860][ T7704] netlink_unicast+0x449/0x710 [ 6943.225860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6943.225860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6943.225860][ T7704] ___sys_sendmsg+0xee/0x170 [ 6943.225860][ T7704] __sys_sendmsg+0xcd/0x170 [ 6943.225860][ T7704] do_syscall_64+0xc6/0x1e0 [ 6943.225860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.225860][ T7704] [ 6953.470934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6953.471459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6953.471459][ T7704] netdev_get_by_index+0x5e/0x80 [ 6953.471459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6953.471459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6953.471459][ T7704] ip6_route_add+0x1c/0x140 [ 6953.471459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6953.471459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6953.471459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.471459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.471459][ T7704] netlink_rcv_skb+0x130/0x360 [ 6953.471459][ T7704] netlink_unicast+0x449/0x710 [ 6953.471459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6953.471459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6953.471459][ T7704] ___sys_sendmsg+0xee/0x170 [ 6953.471459][ T7704] __sys_sendmsg+0xcd/0x170 [ 6953.471459][ T7704] do_syscall_64+0xc6/0x1e0 [ 6953.471459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.471459][ T7704] [ 6953.474268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6953.474268][ T7704] netdev_get_by_index+0x5e/0x80 [ 6953.474268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6953.474268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6953.474268][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6953.474268][ T7704] ipv6_add_addr+0x411/0x2000 [ 6953.474268][ T7704] inet6_addr_add+0x30e/0xa40 [ 6953.474268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.474268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.474268][ T7704] netlink_rcv_skb+0x130/0x360 [ 6953.474268][ T7704] netlink_unicast+0x449/0x710 [ 6953.474268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6953.474268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6953.474268][ T7704] ___sys_sendmsg+0xee/0x170 [ 6953.474268][ T7704] __sys_sendmsg+0xcd/0x170 [ 6953.474268][ T7704] do_syscall_64+0xc6/0x1e0 [ 6953.474268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.474268][ T7704] [ 6953.476495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6953.476495][ T7704] netdev_get_by_index+0x5e/0x80 [ 6953.476495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6953.476495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6953.476495][ T7704] ip6_route_add+0x1c/0x140 [ 6953.476495][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6953.476495][ T7704] addrconf_add_dev+0xe2/0x170 [ 6953.476495][ T7704] inet6_addr_add+0x12f/0xa40 [ 6953.476495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.476495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.476495][ T7704] netlink_rcv_skb+0x130/0x360 [ 6953.476495][ T7704] netlink_unicast+0x449/0x710 [ 6953.476495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6953.476495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6953.476495][ T7704] ___sys_sendmsg+0xee/0x170 [ 6953.476495][ T7704] __sys_sendmsg+0xcd/0x170 [ 6953.476495][ T7704] do_syscall_64+0xc6/0x1e0 [ 6953.476495][ T7704] [ 6953.478686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6953.478686][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6953.478686][ T7704] ipv6_find_idev+0x102/0x170 [ 6953.478686][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.478686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.478686][ T7704] netlink_rcv_skb+0x130/0x360 [ 6953.478686][ T7704] netlink_unicast+0x449/0x710 [ 6953.478686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6953.478686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6953.478686][ T7704] ___sys_sendmsg+0xee/0x170 [ 6953.478686][ T7704] __sys_sendmsg+0xcd/0x170 [ 6953.478686][ T7704] do_syscall_64+0xc6/0x1e0 [ 6953.478686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.478686][ T7704] [ 6953.480398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6953.480398][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6953.480398][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6953.480398][ T7704] ipv6_find_idev+0x102/0x170 [ 6953.480398][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.480398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.480398][ T7704] netlink_rcv_skb+0x130/0x360 [ 6953.480398][ T7704] netlink_unicast+0x449/0x710 [ 6953.480398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6953.480398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6953.480398][ T7704] ___sys_sendmsg+0xee/0x170 [ 6953.480398][ T7704] __sys_sendmsg+0xcd/0x170 [ 6953.480398][ T7704] do_syscall_64+0xc6/0x1e0 [ 6953.480398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.480398][ T7704] [ 6963.734936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6963.735426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6963.735426][ T7704] netdev_get_by_index+0x5e/0x80 [ 6963.735426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6963.735426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6963.735426][ T7704] ip6_route_add+0x1c/0x140 [ 6963.735426][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6963.735426][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6963.735426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.735426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.735426][ T7704] netlink_rcv_skb+0x130/0x360 [ 6963.735426][ T7704] netlink_unicast+0x449/0x710 [ 6963.735426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6963.735426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6963.735426][ T7704] ___sys_sendmsg+0xee/0x170 [ 6963.735426][ T7704] __sys_sendmsg+0xcd/0x170 [ 6963.735426][ T7704] do_syscall_64+0xc6/0x1e0 [ 6963.735426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.735426][ T7704] [ 6963.737931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6963.737931][ T7704] netdev_get_by_index+0x5e/0x80 [ 6963.737931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6963.737931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6963.737931][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6963.737931][ T7704] ipv6_add_addr+0x411/0x2000 [ 6963.737931][ T7704] inet6_addr_add+0x30e/0xa40 [ 6963.737931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.737931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.737931][ T7704] netlink_rcv_skb+0x130/0x360 [ 6963.737931][ T7704] netlink_unicast+0x449/0x710 [ 6963.737931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6963.737931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6963.737931][ T7704] ___sys_sendmsg+0xee/0x170 [ 6963.737931][ T7704] __sys_sendmsg+0xcd/0x170 [ 6963.737931][ T7704] do_syscall_64+0xc6/0x1e0 [ 6963.737931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.737931][ T7704] [ 6963.740376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6963.740376][ T7704] netdev_get_by_index+0x5e/0x80 [ 6963.740376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6963.740376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6963.740376][ T7704] ip6_route_add+0x1c/0x140 [ 6963.740376][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6963.740376][ T7704] addrconf_add_dev+0xe2/0x170 [ 6963.740376][ T7704] inet6_addr_add+0x12f/0xa40 [ 6963.740376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.740376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.740376][ T7704] netlink_rcv_skb+0x130/0x360 [ 6963.740376][ T7704] netlink_unicast+0x449/0x710 [ 6963.740376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6963.740376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6963.740376][ T7704] ___sys_sendmsg+0xee/0x170 [ 6963.740376][ T7704] __sys_sendmsg+0xcd/0x170 [ 6963.740376][ T7704] do_syscall_64+0xc6/0x1e0 [ 6963.740376][ T7704] [ 6963.743094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6963.743094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6963.743094][ T7704] ipv6_find_idev+0x102/0x170 [ 6963.743094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.743094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.743094][ T7704] netlink_rcv_skb+0x130/0x360 [ 6963.743094][ T7704] netlink_unicast+0x449/0x710 [ 6963.743094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6963.743094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6963.743094][ T7704] ___sys_sendmsg+0xee/0x170 [ 6963.743094][ T7704] __sys_sendmsg+0xcd/0x170 [ 6963.743094][ T7704] do_syscall_64+0xc6/0x1e0 [ 6963.743094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.743094][ T7704] [ 6963.744804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6963.744804][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6963.744804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6963.744804][ T7704] ipv6_find_idev+0x102/0x170 [ 6963.744804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.744804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.744804][ T7704] netlink_rcv_skb+0x130/0x360 [ 6963.744804][ T7704] netlink_unicast+0x449/0x710 [ 6963.744804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6963.744804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6963.744804][ T7704] ___sys_sendmsg+0xee/0x170 [ 6963.744804][ T7704] __sys_sendmsg+0xcd/0x170 [ 6963.744804][ T7704] do_syscall_64+0xc6/0x1e0 [ 6963.744804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.744804][ T7704] [ 6973.998888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6973.999403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6973.999403][ T7704] netdev_get_by_index+0x5e/0x80 [ 6973.999403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6973.999403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6973.999403][ T7704] ip6_route_add+0x1c/0x140 [ 6973.999403][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6973.999403][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6973.999403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.999403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.999403][ T7704] netlink_rcv_skb+0x130/0x360 [ 6973.999403][ T7704] netlink_unicast+0x449/0x710 [ 6973.999403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6973.999403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6973.999403][ T7704] ___sys_sendmsg+0xee/0x170 [ 6973.999403][ T7704] __sys_sendmsg+0xcd/0x170 [ 6973.999403][ T7704] do_syscall_64+0xc6/0x1e0 [ 6973.999403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.999403][ T7704] [ 6974.001689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6974.001689][ T7704] netdev_get_by_index+0x5e/0x80 [ 6974.001689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6974.001689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6974.001689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6974.001689][ T7704] ipv6_add_addr+0x411/0x2000 [ 6974.001689][ T7704] inet6_addr_add+0x30e/0xa40 [ 6974.001689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6974.001689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6974.001689][ T7704] netlink_rcv_skb+0x130/0x360 [ 6974.001689][ T7704] netlink_unicast+0x449/0x710 [ 6974.001689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6974.001689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6974.001689][ T7704] ___sys_sendmsg+0xee/0x170 [ 6974.001689][ T7704] __sys_sendmsg+0xcd/0x170 [ 6974.001689][ T7704] do_syscall_64+0xc6/0x1e0 [ 6974.001689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6974.001689][ T7704] [ 6974.004042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6974.004042][ T7704] netdev_get_by_index+0x5e/0x80 [ 6974.004042][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6974.004042][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6974.004042][ T7704] ip6_route_add+0x1c/0x140 [ 6974.004042][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6974.004042][ T7704] addrconf_add_dev+0xe2/0x170 [ 6974.004042][ T7704] inet6_addr_add+0x12f/0xa40 [ 6974.004042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6974.004042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6974.004042][ T7704] netlink_rcv_skb+0x130/0x360 [ 6974.004042][ T7704] netlink_unicast+0x449/0x710 [ 6974.004042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6974.004042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6974.004042][ T7704] ___sys_sendmsg+0xee/0x170 [ 6974.004042][ T7704] __sys_sendmsg+0xcd/0x170 [ 6974.004042][ T7704] do_syscall_64+0xc6/0x1e0 [ 6974.004042][ T7704] [ 6974.006235][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6974.006235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6974.006235][ T7704] ipv6_find_idev+0x102/0x170 [ 6974.006235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6974.006235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6974.006235][ T7704] netlink_rcv_skb+0x130/0x360 [ 6974.006235][ T7704] netlink_unicast+0x449/0x710 [ 6974.006235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6974.006235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6974.006235][ T7704] ___sys_sendmsg+0xee/0x170 [ 6974.006235][ T7704] __sys_sendmsg+0xcd/0x170 [ 6974.006235][ T7704] do_syscall_64+0xc6/0x1e0 [ 6974.006235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6974.006235][ T7704] [ 6974.007944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6974.007944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6974.007944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6974.007944][ T7704] ipv6_find_idev+0x102/0x170 [ 6974.007944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6974.007944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6974.007944][ T7704] netlink_rcv_skb+0x130/0x360 [ 6974.007944][ T7704] netlink_unicast+0x449/0x710 [ 6974.007944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6974.007944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6974.007944][ T7704] ___sys_sendmsg+0xee/0x170 [ 6974.007944][ T7704] __sys_sendmsg+0xcd/0x170 [ 6974.007944][ T7704] do_syscall_64+0xc6/0x1e0 [ 6974.007944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6974.007944][ T7704] [ 6984.262853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6984.263359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6984.263359][ T7704] netdev_get_by_index+0x5e/0x80 [ 6984.263359][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6984.263359][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6984.263359][ T7704] ip6_route_add+0x1c/0x140 [ 6984.263359][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6984.263359][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6984.263359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.263359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.263359][ T7704] netlink_rcv_skb+0x130/0x360 [ 6984.263359][ T7704] netlink_unicast+0x449/0x710 [ 6984.263359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6984.263359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6984.263359][ T7704] ___sys_sendmsg+0xee/0x170 [ 6984.263359][ T7704] __sys_sendmsg+0xcd/0x170 [ 6984.263359][ T7704] do_syscall_64+0xc6/0x1e0 [ 6984.263359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.263359][ T7704] [ 6984.265607][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6984.265607][ T7704] netdev_get_by_index+0x5e/0x80 [ 6984.265607][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6984.265607][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6984.265607][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6984.265607][ T7704] ipv6_add_addr+0x411/0x2000 [ 6984.265607][ T7704] inet6_addr_add+0x30e/0xa40 [ 6984.265607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.265607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.265607][ T7704] netlink_rcv_skb+0x130/0x360 [ 6984.265607][ T7704] netlink_unicast+0x449/0x710 [ 6984.265607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6984.265607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6984.265607][ T7704] ___sys_sendmsg+0xee/0x170 [ 6984.265607][ T7704] __sys_sendmsg+0xcd/0x170 [ 6984.265607][ T7704] do_syscall_64+0xc6/0x1e0 [ 6984.265607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.265607][ T7704] [ 6984.267839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6984.267839][ T7704] netdev_get_by_index+0x5e/0x80 [ 6984.267839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6984.267839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6984.267839][ T7704] ip6_route_add+0x1c/0x140 [ 6984.267839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6984.267839][ T7704] addrconf_add_dev+0xe2/0x170 [ 6984.267839][ T7704] inet6_addr_add+0x12f/0xa40 [ 6984.267839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.267839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.267839][ T7704] netlink_rcv_skb+0x130/0x360 [ 6984.267839][ T7704] netlink_unicast+0x449/0x710 [ 6984.267839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6984.267839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6984.267839][ T7704] ___sys_sendmsg+0xee/0x170 [ 6984.267839][ T7704] __sys_sendmsg+0xcd/0x170 [ 6984.267839][ T7704] do_syscall_64+0xc6/0x1e0 [ 6984.267839][ T7704] [ 6984.270023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6984.270023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6984.270023][ T7704] ipv6_find_idev+0x102/0x170 [ 6984.270023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.270023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.270023][ T7704] netlink_rcv_skb+0x130/0x360 [ 6984.270023][ T7704] netlink_unicast+0x449/0x710 [ 6984.270023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6984.270023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6984.270023][ T7704] ___sys_sendmsg+0xee/0x170 [ 6984.270023][ T7704] __sys_sendmsg+0xcd/0x170 [ 6984.270023][ T7704] do_syscall_64+0xc6/0x1e0 [ 6984.270023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.270023][ T7704] [ 6984.271726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6984.271726][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6984.271726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6984.271726][ T7704] ipv6_find_idev+0x102/0x170 [ 6984.271726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.271726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.271726][ T7704] netlink_rcv_skb+0x130/0x360 [ 6984.271726][ T7704] netlink_unicast+0x449/0x710 [ 6984.271726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6984.271726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6984.271726][ T7704] ___sys_sendmsg+0xee/0x170 [ 6984.271726][ T7704] __sys_sendmsg+0xcd/0x170 [ 6984.271726][ T7704] do_syscall_64+0xc6/0x1e0 [ 6984.271726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.271726][ T7704] [ 6994.518862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6994.519376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6994.519376][ T7704] netdev_get_by_index+0x5e/0x80 [ 6994.519376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6994.519376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6994.519376][ T7704] ip6_route_add+0x1c/0x140 [ 6994.519376][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6994.519376][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6994.519376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.519376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.519376][ T7704] netlink_rcv_skb+0x130/0x360 [ 6994.519376][ T7704] netlink_unicast+0x449/0x710 [ 6994.519376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6994.519376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6994.519376][ T7704] ___sys_sendmsg+0xee/0x170 [ 6994.519376][ T7704] __sys_sendmsg+0xcd/0x170 [ 6994.519376][ T7704] do_syscall_64+0xc6/0x1e0 [ 6994.519376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.519376][ T7704] [ 6994.521618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6994.521618][ T7704] netdev_get_by_index+0x5e/0x80 [ 6994.521618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6994.521618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6994.521618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6994.521618][ T7704] ipv6_add_addr+0x411/0x2000 [ 6994.521618][ T7704] inet6_addr_add+0x30e/0xa40 [ 6994.521618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.521618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.521618][ T7704] netlink_rcv_skb+0x130/0x360 [ 6994.521618][ T7704] netlink_unicast+0x449/0x710 [ 6994.521618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6994.521618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6994.521618][ T7704] ___sys_sendmsg+0xee/0x170 [ 6994.521618][ T7704] __sys_sendmsg+0xcd/0x170 [ 6994.521618][ T7704] do_syscall_64+0xc6/0x1e0 [ 6994.521618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.521618][ T7704] [ 6994.523844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6994.523844][ T7704] netdev_get_by_index+0x5e/0x80 [ 6994.523844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6994.523844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6994.523844][ T7704] ip6_route_add+0x1c/0x140 [ 6994.523844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6994.523844][ T7704] addrconf_add_dev+0xe2/0x170 [ 6994.523844][ T7704] inet6_addr_add+0x12f/0xa40 [ 6994.523844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.523844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.523844][ T7704] netlink_rcv_skb+0x130/0x360 [ 6994.523844][ T7704] netlink_unicast+0x449/0x710 [ 6994.523844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6994.523844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6994.523844][ T7704] ___sys_sendmsg+0xee/0x170 [ 6994.523844][ T7704] __sys_sendmsg+0xcd/0x170 [ 6994.523844][ T7704] do_syscall_64+0xc6/0x1e0 [ 6994.523844][ T7704] [ 6994.526033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6994.526033][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6994.526033][ T7704] ipv6_find_idev+0x102/0x170 [ 6994.526033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.526033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.526033][ T7704] netlink_rcv_skb+0x130/0x360 [ 6994.526033][ T7704] netlink_unicast+0x449/0x710 [ 6994.526033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6994.526033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6994.526033][ T7704] ___sys_sendmsg+0xee/0x170 [ 6994.526033][ T7704] __sys_sendmsg+0xcd/0x170 [ 6994.526033][ T7704] do_syscall_64+0xc6/0x1e0 [ 6994.526033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.526033][ T7704] [ 6994.527747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 6994.527747][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6994.527747][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6994.527747][ T7704] ipv6_find_idev+0x102/0x170 [ 6994.527747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.527747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.527747][ T7704] netlink_rcv_skb+0x130/0x360 [ 6994.527747][ T7704] netlink_unicast+0x449/0x710 [ 6994.527747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6994.527747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6994.527747][ T7704] ___sys_sendmsg+0xee/0x170 [ 6994.527747][ T7704] __sys_sendmsg+0xcd/0x170 [ 6994.527747][ T7704] do_syscall_64+0xc6/0x1e0 [ 6994.527747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.527747][ T7704] [ 7004.774860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7004.775384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7004.775384][ T7704] netdev_get_by_index+0x5e/0x80 [ 7004.775384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7004.775384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7004.775384][ T7704] ip6_route_add+0x1c/0x140 [ 7004.775384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7004.775384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7004.775384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.775384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.775384][ T7704] netlink_rcv_skb+0x130/0x360 [ 7004.775384][ T7704] netlink_unicast+0x449/0x710 [ 7004.775384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7004.775384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7004.775384][ T7704] ___sys_sendmsg+0xee/0x170 [ 7004.775384][ T7704] __sys_sendmsg+0xcd/0x170 [ 7004.775384][ T7704] do_syscall_64+0xc6/0x1e0 [ 7004.775384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.775384][ T7704] [ 7004.777652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7004.777652][ T7704] netdev_get_by_index+0x5e/0x80 [ 7004.777652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7004.777652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7004.777652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7004.777652][ T7704] ipv6_add_addr+0x411/0x2000 [ 7004.777652][ T7704] inet6_addr_add+0x30e/0xa40 [ 7004.777652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.777652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.777652][ T7704] netlink_rcv_skb+0x130/0x360 [ 7004.777652][ T7704] netlink_unicast+0x449/0x710 [ 7004.777652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7004.777652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7004.777652][ T7704] ___sys_sendmsg+0xee/0x170 [ 7004.777652][ T7704] __sys_sendmsg+0xcd/0x170 [ 7004.777652][ T7704] do_syscall_64+0xc6/0x1e0 [ 7004.777652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.777652][ T7704] [ 7004.779886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7004.779886][ T7704] netdev_get_by_index+0x5e/0x80 [ 7004.779886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7004.779886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7004.779886][ T7704] ip6_route_add+0x1c/0x140 [ 7004.779886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7004.779886][ T7704] addrconf_add_dev+0xe2/0x170 [ 7004.779886][ T7704] inet6_addr_add+0x12f/0xa40 [ 7004.779886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.779886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.779886][ T7704] netlink_rcv_skb+0x130/0x360 [ 7004.779886][ T7704] netlink_unicast+0x449/0x710 [ 7004.779886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7004.779886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7004.779886][ T7704] ___sys_sendmsg+0xee/0x170 [ 7004.779886][ T7704] __sys_sendmsg+0xcd/0x170 [ 7004.779886][ T7704] do_syscall_64+0xc6/0x1e0 [ 7004.779886][ T7704] [ 7004.782072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7004.782072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7004.782072][ T7704] ipv6_find_idev+0x102/0x170 [ 7004.782072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.782072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.782072][ T7704] netlink_rcv_skb+0x130/0x360 [ 7004.782072][ T7704] netlink_unicast+0x449/0x710 [ 7004.782072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7004.782072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7004.782072][ T7704] ___sys_sendmsg+0xee/0x170 [ 7004.782072][ T7704] __sys_sendmsg+0xcd/0x170 [ 7004.782072][ T7704] do_syscall_64+0xc6/0x1e0 [ 7004.782072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.782072][ T7704] [ 7004.783779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7004.783779][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7004.783779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7004.783779][ T7704] ipv6_find_idev+0x102/0x170 [ 7004.783779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.783779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.783779][ T7704] netlink_rcv_skb+0x130/0x360 [ 7004.783779][ T7704] netlink_unicast+0x449/0x710 [ 7004.783779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7004.783779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7004.783779][ T7704] ___sys_sendmsg+0xee/0x170 [ 7004.783779][ T7704] __sys_sendmsg+0xcd/0x170 [ 7004.783779][ T7704] do_syscall_64+0xc6/0x1e0 [ 7004.783779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.783779][ T7704] [ 7015.030953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7015.031450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7015.031450][ T7704] netdev_get_by_index+0x5e/0x80 [ 7015.031450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7015.031450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7015.031450][ T7704] ip6_route_add+0x1c/0x140 [ 7015.031450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7015.031450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7015.031450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7015.031450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7015.031450][ T7704] netlink_rcv_skb+0x130/0x360 [ 7015.031450][ T7704] netlink_unicast+0x449/0x710 [ 7015.031450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7015.031450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7015.031450][ T7704] ___sys_sendmsg+0xee/0x170 [ 7015.031450][ T7704] __sys_sendmsg+0xcd/0x170 [ 7015.031450][ T7704] do_syscall_64+0xc6/0x1e0 [ 7015.031450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7015.031450][ T7704] [ 7015.033708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7015.033708][ T7704] netdev_get_by_index+0x5e/0x80 [ 7015.033708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7015.033708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7015.033708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7015.033708][ T7704] ipv6_add_addr+0x411/0x2000 [ 7015.033708][ T7704] inet6_addr_add+0x30e/0xa40 [ 7015.033708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7015.033708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7015.033708][ T7704] netlink_rcv_skb+0x130/0x360 [ 7015.033708][ T7704] netlink_unicast+0x449/0x710 [ 7015.033708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7015.033708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7015.033708][ T7704] ___sys_sendmsg+0xee/0x170 [ 7015.033708][ T7704] __sys_sendmsg+0xcd/0x170 [ 7015.033708][ T7704] do_syscall_64+0xc6/0x1e0 [ 7015.033708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7015.033708][ T7704] [ 7015.035935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7015.035935][ T7704] netdev_get_by_index+0x5e/0x80 [ 7015.035935][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7015.035935][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7015.035935][ T7704] ip6_route_add+0x1c/0x140 [ 7015.035935][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7015.035935][ T7704] addrconf_add_dev+0xe2/0x170 [ 7015.035935][ T7704] inet6_addr_add+0x12f/0xa40 [ 7015.035935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7015.035935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7015.035935][ T7704] netlink_rcv_skb+0x130/0x360 [ 7015.035935][ T7704] netlink_unicast+0x449/0x710 [ 7015.035935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7015.035935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7015.035935][ T7704] ___sys_sendmsg+0xee/0x170 [ 7015.035935][ T7704] __sys_sendmsg+0xcd/0x170 [ 7015.035935][ T7704] do_syscall_64+0xc6/0x1e0 [ 7015.035935][ T7704] [ 7015.038140][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7015.038140][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7015.038140][ T7704] ipv6_find_idev+0x102/0x170 [ 7015.038140][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7015.038140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7015.038140][ T7704] netlink_rcv_skb+0x130/0x360 [ 7015.038140][ T7704] netlink_unicast+0x449/0x710 [ 7015.038140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7015.038140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7015.038140][ T7704] ___sys_sendmsg+0xee/0x170 [ 7015.038140][ T7704] __sys_sendmsg+0xcd/0x170 [ 7015.038140][ T7704] do_syscall_64+0xc6/0x1e0 [ 7015.038140][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7015.038140][ T7704] [ 7015.040399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7015.040399][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7015.040399][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7015.040399][ T7704] ipv6_find_idev+0x102/0x170 [ 7015.040399][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7015.040399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7015.040399][ T7704] netlink_rcv_skb+0x130/0x360 [ 7015.040399][ T7704] netlink_unicast+0x449/0x710 [ 7015.040399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7015.040399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7015.040399][ T7704] ___sys_sendmsg+0xee/0x170 [ 7015.040399][ T7704] __sys_sendmsg+0xcd/0x170 [ 7015.040399][ T7704] do_syscall_64+0xc6/0x1e0 [ 7015.040399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7015.040399][ T7704] [ 7025.294935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7025.295478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7025.295478][ T7704] netdev_get_by_index+0x5e/0x80 [ 7025.295478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7025.295478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7025.295478][ T7704] ip6_route_add+0x1c/0x140 [ 7025.295478][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7025.295478][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7025.295478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7025.295478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7025.295478][ T7704] netlink_rcv_skb+0x130/0x360 [ 7025.295478][ T7704] netlink_unicast+0x449/0x710 [ 7025.295478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7025.295478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7025.295478][ T7704] ___sys_sendmsg+0xee/0x170 [ 7025.295478][ T7704] __sys_sendmsg+0xcd/0x170 [ 7025.295478][ T7704] do_syscall_64+0xc6/0x1e0 [ 7025.295478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7025.295478][ T7704] [ 7025.298265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7025.298265][ T7704] netdev_get_by_index+0x5e/0x80 [ 7025.298265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7025.298265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7025.298265][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7025.298265][ T7704] ipv6_add_addr+0x411/0x2000 [ 7025.298265][ T7704] inet6_addr_add+0x30e/0xa40 [ 7025.298265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7025.298265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7025.298265][ T7704] netlink_rcv_skb+0x130/0x360 [ 7025.298265][ T7704] netlink_unicast+0x449/0x710 [ 7025.298265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7025.298265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7025.298265][ T7704] ___sys_sendmsg+0xee/0x170 [ 7025.298265][ T7704] __sys_sendmsg+0xcd/0x170 [ 7025.298265][ T7704] do_syscall_64+0xc6/0x1e0 [ 7025.298265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7025.298265][ T7704] [ 7025.301019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7025.301019][ T7704] netdev_get_by_index+0x5e/0x80 [ 7025.301019][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7025.301019][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7025.301019][ T7704] ip6_route_add+0x1c/0x140 [ 7025.301019][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7025.301019][ T7704] addrconf_add_dev+0xe2/0x170 [ 7025.301019][ T7704] inet6_addr_add+0x12f/0xa40 [ 7025.301019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7025.301019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7025.301019][ T7704] netlink_rcv_skb+0x130/0x360 [ 7025.301019][ T7704] netlink_unicast+0x449/0x710 [ 7025.301019][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7025.301019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7025.301019][ T7704] ___sys_sendmsg+0xee/0x170 [ 7025.301019][ T7704] __sys_sendmsg+0xcd/0x170 [ 7025.301019][ T7704] do_syscall_64+0xc6/0x1e0 [ 7025.301019][ T7704] [ 7025.303701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7025.303701][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7025.303701][ T7704] ipv6_find_idev+0x102/0x170 [ 7025.303701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7025.303701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7025.303701][ T7704] netlink_rcv_skb+0x130/0x360 [ 7025.303701][ T7704] netlink_unicast+0x449/0x710 [ 7025.303701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7025.303701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7025.303701][ T7704] ___sys_sendmsg+0xee/0x170 [ 7025.303701][ T7704] __sys_sendmsg+0xcd/0x170 [ 7025.303701][ T7704] do_syscall_64+0xc6/0x1e0 [ 7025.303701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7025.303701][ T7704] [ 7025.305804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7025.305804][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7025.305804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7025.305804][ T7704] ipv6_find_idev+0x102/0x170 [ 7025.305804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7025.305804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7025.305804][ T7704] netlink_rcv_skb+0x130/0x360 [ 7025.305804][ T7704] netlink_unicast+0x449/0x710 [ 7025.305804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7025.305804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7025.305804][ T7704] ___sys_sendmsg+0xee/0x170 [ 7025.305804][ T7704] __sys_sendmsg+0xcd/0x170 [ 7025.305804][ T7704] do_syscall_64+0xc6/0x1e0 [ 7025.305804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7025.305804][ T7704] [ 7035.550931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7035.551471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7035.551471][ T7704] netdev_get_by_index+0x5e/0x80 [ 7035.551471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7035.551471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7035.551471][ T7704] ip6_route_add+0x1c/0x140 [ 7035.551471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7035.551471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7035.551471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7035.551471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7035.551471][ T7704] netlink_rcv_skb+0x130/0x360 [ 7035.551471][ T7704] netlink_unicast+0x449/0x710 [ 7035.551471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7035.551471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7035.551471][ T7704] ___sys_sendmsg+0xee/0x170 [ 7035.551471][ T7704] __sys_sendmsg+0xcd/0x170 [ 7035.551471][ T7704] do_syscall_64+0xc6/0x1e0 [ 7035.551471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7035.551471][ T7704] [ 7035.554110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7035.554110][ T7704] netdev_get_by_index+0x5e/0x80 [ 7035.554110][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7035.554110][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7035.554110][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7035.554110][ T7704] ipv6_add_addr+0x411/0x2000 [ 7035.554110][ T7704] inet6_addr_add+0x30e/0xa40 [ 7035.554110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7035.554110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7035.554110][ T7704] netlink_rcv_skb+0x130/0x360 [ 7035.554110][ T7704] netlink_unicast+0x449/0x710 [ 7035.554110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7035.554110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7035.554110][ T7704] ___sys_sendmsg+0xee/0x170 [ 7035.554110][ T7704] __sys_sendmsg+0xcd/0x170 [ 7035.554110][ T7704] do_syscall_64+0xc6/0x1e0 [ 7035.554110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7035.554110][ T7704] [ 7035.556351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7035.556351][ T7704] netdev_get_by_index+0x5e/0x80 [ 7035.556351][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7035.556351][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7035.556351][ T7704] ip6_route_add+0x1c/0x140 [ 7035.556351][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7035.556351][ T7704] addrconf_add_dev+0xe2/0x170 [ 7035.556351][ T7704] inet6_addr_add+0x12f/0xa40 [ 7035.556351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7035.556351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7035.556351][ T7704] netlink_rcv_skb+0x130/0x360 [ 7035.556351][ T7704] netlink_unicast+0x449/0x710 [ 7035.556351][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7035.556351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7035.556351][ T7704] ___sys_sendmsg+0xee/0x170 [ 7035.556351][ T7704] __sys_sendmsg+0xcd/0x170 [ 7035.556351][ T7704] do_syscall_64+0xc6/0x1e0 [ 7035.556351][ T7704] [ 7035.558553][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7035.558553][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7035.558553][ T7704] ipv6_find_idev+0x102/0x170 [ 7035.558553][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7035.558553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7035.558553][ T7704] netlink_rcv_skb+0x130/0x360 [ 7035.558553][ T7704] netlink_unicast+0x449/0x710 [ 7035.558553][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7035.558553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7035.558553][ T7704] ___sys_sendmsg+0xee/0x170 [ 7035.558553][ T7704] __sys_sendmsg+0xcd/0x170 [ 7035.558553][ T7704] do_syscall_64+0xc6/0x1e0 [ 7035.558553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7035.558553][ T7704] [ 7035.560290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7035.560290][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7035.560290][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7035.560290][ T7704] ipv6_find_idev+0x102/0x170 [ 7035.560290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7035.560290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7035.560290][ T7704] netlink_rcv_skb+0x130/0x360 [ 7035.560290][ T7704] netlink_unicast+0x449/0x710 [ 7035.560290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7035.560290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7035.560290][ T7704] ___sys_sendmsg+0xee/0x170 [ 7035.560290][ T7704] __sys_sendmsg+0xcd/0x170 [ 7035.560290][ T7704] do_syscall_64+0xc6/0x1e0 [ 7035.560290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7035.560290][ T7704] [ 7045.566968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7045.567480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7045.567480][ T7704] netdev_get_by_index+0x5e/0x80 [ 7045.567480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7045.567480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7045.567480][ T7704] ip6_route_add+0x1c/0x140 [ 7045.567480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7045.567480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7045.567480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.567480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.567480][ T7704] netlink_rcv_skb+0x130/0x360 [ 7045.567480][ T7704] netlink_unicast+0x449/0x710 [ 7045.567480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7045.567480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7045.567480][ T7704] ___sys_sendmsg+0xee/0x170 [ 7045.567480][ T7704] __sys_sendmsg+0xcd/0x170 [ 7045.567480][ T7704] do_syscall_64+0xc6/0x1e0 [ 7045.567480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.567480][ T7704] [ 7045.570255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7045.570255][ T7704] netdev_get_by_index+0x5e/0x80 [ 7045.570255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7045.570255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7045.570255][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7045.570255][ T7704] ipv6_add_addr+0x411/0x2000 [ 7045.570255][ T7704] inet6_addr_add+0x30e/0xa40 [ 7045.570255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.570255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.570255][ T7704] netlink_rcv_skb+0x130/0x360 [ 7045.570255][ T7704] netlink_unicast+0x449/0x710 [ 7045.570255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7045.570255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7045.570255][ T7704] ___sys_sendmsg+0xee/0x170 [ 7045.570255][ T7704] __sys_sendmsg+0xcd/0x170 [ 7045.570255][ T7704] do_syscall_64+0xc6/0x1e0 [ 7045.570255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.570255][ T7704] [ 7045.572999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7045.572999][ T7704] netdev_get_by_index+0x5e/0x80 [ 7045.572999][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7045.572999][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7045.572999][ T7704] ip6_route_add+0x1c/0x140 [ 7045.572999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7045.572999][ T7704] addrconf_add_dev+0xe2/0x170 [ 7045.572999][ T7704] inet6_addr_add+0x12f/0xa40 [ 7045.572999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.572999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.572999][ T7704] netlink_rcv_skb+0x130/0x360 [ 7045.572999][ T7704] netlink_unicast+0x449/0x710 [ 7045.572999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7045.572999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7045.572999][ T7704] ___sys_sendmsg+0xee/0x170 [ 7045.572999][ T7704] __sys_sendmsg+0xcd/0x170 [ 7045.572999][ T7704] do_syscall_64+0xc6/0x1e0 [ 7045.572999][ T7704] [ 7045.575620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7045.575620][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7045.575620][ T7704] ipv6_find_idev+0x102/0x170 [ 7045.575620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.575620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.575620][ T7704] netlink_rcv_skb+0x130/0x360 [ 7045.575620][ T7704] netlink_unicast+0x449/0x710 [ 7045.575620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7045.575620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7045.575620][ T7704] ___sys_sendmsg+0xee/0x170 [ 7045.575620][ T7704] __sys_sendmsg+0xcd/0x170 [ 7045.575620][ T7704] do_syscall_64+0xc6/0x1e0 [ 7045.575620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.575620][ T7704] [ 7045.577366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7045.577366][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7045.577366][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7045.577366][ T7704] ipv6_find_idev+0x102/0x170 [ 7045.577366][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.577366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.577366][ T7704] netlink_rcv_skb+0x130/0x360 [ 7045.577366][ T7704] netlink_unicast+0x449/0x710 [ 7045.577366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7045.577366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7045.577366][ T7704] ___sys_sendmsg+0xee/0x170 [ 7045.577366][ T7704] __sys_sendmsg+0xcd/0x170 [ 7045.577366][ T7704] do_syscall_64+0xc6/0x1e0 [ 7045.577366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.577366][ T7704] [ 7055.814938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7055.815461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7055.815461][ T7704] netdev_get_by_index+0x5e/0x80 [ 7055.815461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7055.815461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7055.815461][ T7704] ip6_route_add+0x1c/0x140 [ 7055.815461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7055.815461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7055.815461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.815461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.815461][ T7704] netlink_rcv_skb+0x130/0x360 [ 7055.815461][ T7704] netlink_unicast+0x449/0x710 [ 7055.815461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7055.815461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7055.815461][ T7704] ___sys_sendmsg+0xee/0x170 [ 7055.815461][ T7704] __sys_sendmsg+0xcd/0x170 [ 7055.815461][ T7704] do_syscall_64+0xc6/0x1e0 [ 7055.815461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.815461][ T7704] [ 7055.817731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7055.817731][ T7704] netdev_get_by_index+0x5e/0x80 [ 7055.817731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7055.817731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7055.817731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7055.817731][ T7704] ipv6_add_addr+0x411/0x2000 [ 7055.817731][ T7704] inet6_addr_add+0x30e/0xa40 [ 7055.817731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.817731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.817731][ T7704] netlink_rcv_skb+0x130/0x360 [ 7055.817731][ T7704] netlink_unicast+0x449/0x710 [ 7055.817731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7055.817731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7055.817731][ T7704] ___sys_sendmsg+0xee/0x170 [ 7055.817731][ T7704] __sys_sendmsg+0xcd/0x170 [ 7055.817731][ T7704] do_syscall_64+0xc6/0x1e0 [ 7055.817731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.817731][ T7704] [ 7055.819959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7055.819959][ T7704] netdev_get_by_index+0x5e/0x80 [ 7055.819959][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7055.819959][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7055.819959][ T7704] ip6_route_add+0x1c/0x140 [ 7055.819959][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7055.819959][ T7704] addrconf_add_dev+0xe2/0x170 [ 7055.819959][ T7704] inet6_addr_add+0x12f/0xa40 [ 7055.819959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.819959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.819959][ T7704] netlink_rcv_skb+0x130/0x360 [ 7055.819959][ T7704] netlink_unicast+0x449/0x710 [ 7055.819959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7055.819959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7055.819959][ T7704] ___sys_sendmsg+0xee/0x170 [ 7055.819959][ T7704] __sys_sendmsg+0xcd/0x170 [ 7055.819959][ T7704] do_syscall_64+0xc6/0x1e0 [ 7055.819959][ T7704] [ 7055.822153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7055.822153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7055.822153][ T7704] ipv6_find_idev+0x102/0x170 [ 7055.822153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.822153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.822153][ T7704] netlink_rcv_skb+0x130/0x360 [ 7055.822153][ T7704] netlink_unicast+0x449/0x710 [ 7055.822153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7055.822153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7055.822153][ T7704] ___sys_sendmsg+0xee/0x170 [ 7055.822153][ T7704] __sys_sendmsg+0xcd/0x170 [ 7055.822153][ T7704] do_syscall_64+0xc6/0x1e0 [ 7055.822153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.822153][ T7704] [ 7055.823861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7055.823861][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7055.823861][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7055.823861][ T7704] ipv6_find_idev+0x102/0x170 [ 7055.823861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.823861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.823861][ T7704] netlink_rcv_skb+0x130/0x360 [ 7055.823861][ T7704] netlink_unicast+0x449/0x710 [ 7055.823861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7055.823861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7055.823861][ T7704] ___sys_sendmsg+0xee/0x170 [ 7055.823861][ T7704] __sys_sendmsg+0xcd/0x170 [ 7055.823861][ T7704] do_syscall_64+0xc6/0x1e0 [ 7055.823861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.823861][ T7704] [ 7065.886926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7065.887451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7065.887451][ T7704] netdev_get_by_index+0x5e/0x80 [ 7065.887451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7065.887451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7065.887451][ T7704] ip6_route_add+0x1c/0x140 [ 7065.887451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7065.887451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7065.887451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.887451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.887451][ T7704] netlink_rcv_skb+0x130/0x360 [ 7065.887451][ T7704] netlink_unicast+0x449/0x710 [ 7065.887451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7065.887451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7065.887451][ T7704] ___sys_sendmsg+0xee/0x170 [ 7065.887451][ T7704] __sys_sendmsg+0xcd/0x170 [ 7065.887451][ T7704] do_syscall_64+0xc6/0x1e0 [ 7065.887451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.887451][ T7704] [ 7065.890226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7065.890226][ T7704] netdev_get_by_index+0x5e/0x80 [ 7065.890226][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7065.890226][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7065.890226][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7065.890226][ T7704] ipv6_add_addr+0x411/0x2000 [ 7065.890226][ T7704] inet6_addr_add+0x30e/0xa40 [ 7065.890226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.890226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.890226][ T7704] netlink_rcv_skb+0x130/0x360 [ 7065.890226][ T7704] netlink_unicast+0x449/0x710 [ 7065.890226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7065.890226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7065.890226][ T7704] ___sys_sendmsg+0xee/0x170 [ 7065.890226][ T7704] __sys_sendmsg+0xcd/0x170 [ 7065.890226][ T7704] do_syscall_64+0xc6/0x1e0 [ 7065.890226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.890226][ T7704] [ 7065.892969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7065.892969][ T7704] netdev_get_by_index+0x5e/0x80 [ 7065.892969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7065.892969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7065.892969][ T7704] ip6_route_add+0x1c/0x140 [ 7065.892969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7065.892969][ T7704] addrconf_add_dev+0xe2/0x170 [ 7065.892969][ T7704] inet6_addr_add+0x12f/0xa40 [ 7065.892969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.892969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.892969][ T7704] netlink_rcv_skb+0x130/0x360 [ 7065.892969][ T7704] netlink_unicast+0x449/0x710 [ 7065.892969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7065.892969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7065.892969][ T7704] ___sys_sendmsg+0xee/0x170 [ 7065.892969][ T7704] __sys_sendmsg+0xcd/0x170 [ 7065.892969][ T7704] do_syscall_64+0xc6/0x1e0 [ 7065.892969][ T7704] [ 7065.895661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7065.895661][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7065.895661][ T7704] ipv6_find_idev+0x102/0x170 [ 7065.895661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.895661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.895661][ T7704] netlink_rcv_skb+0x130/0x360 [ 7065.895661][ T7704] netlink_unicast+0x449/0x710 [ 7065.895661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7065.895661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7065.895661][ T7704] ___sys_sendmsg+0xee/0x170 [ 7065.895661][ T7704] __sys_sendmsg+0xcd/0x170 [ 7065.895661][ T7704] do_syscall_64+0xc6/0x1e0 [ 7065.895661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.895661][ T7704] [ 7065.897775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7065.897775][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7065.897775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7065.897775][ T7704] ipv6_find_idev+0x102/0x170 [ 7065.897775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.897775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.897775][ T7704] netlink_rcv_skb+0x130/0x360 [ 7065.897775][ T7704] netlink_unicast+0x449/0x710 [ 7065.897775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7065.897775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7065.897775][ T7704] ___sys_sendmsg+0xee/0x170 [ 7065.897775][ T7704] __sys_sendmsg+0xcd/0x170 [ 7065.897775][ T7704] do_syscall_64+0xc6/0x1e0 [ 7065.897775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.897775][ T7704] [ 7076.142944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7076.143487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7076.143487][ T7704] netdev_get_by_index+0x5e/0x80 [ 7076.143487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7076.143487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7076.143487][ T7704] ip6_route_add+0x1c/0x140 [ 7076.143487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7076.143487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7076.143487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7076.143487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7076.143487][ T7704] netlink_rcv_skb+0x130/0x360 [ 7076.143487][ T7704] netlink_unicast+0x449/0x710 [ 7076.143487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7076.143487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7076.143487][ T7704] ___sys_sendmsg+0xee/0x170 [ 7076.143487][ T7704] __sys_sendmsg+0xcd/0x170 [ 7076.143487][ T7704] do_syscall_64+0xc6/0x1e0 [ 7076.143487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7076.143487][ T7704] [ 7076.146251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7076.146251][ T7704] netdev_get_by_index+0x5e/0x80 [ 7076.146251][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7076.146251][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7076.146251][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7076.146251][ T7704] ipv6_add_addr+0x411/0x2000 [ 7076.146251][ T7704] inet6_addr_add+0x30e/0xa40 [ 7076.146251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7076.146251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7076.146251][ T7704] netlink_rcv_skb+0x130/0x360 [ 7076.146251][ T7704] netlink_unicast+0x449/0x710 [ 7076.146251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7076.146251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7076.146251][ T7704] ___sys_sendmsg+0xee/0x170 [ 7076.146251][ T7704] __sys_sendmsg+0xcd/0x170 [ 7076.146251][ T7704] do_syscall_64+0xc6/0x1e0 [ 7076.146251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7076.146251][ T7704] [ 7076.149016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7076.149016][ T7704] netdev_get_by_index+0x5e/0x80 [ 7076.149016][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7076.149016][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7076.149016][ T7704] ip6_route_add+0x1c/0x140 [ 7076.149016][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7076.149016][ T7704] addrconf_add_dev+0xe2/0x170 [ 7076.149016][ T7704] inet6_addr_add+0x12f/0xa40 [ 7076.149016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7076.149016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7076.149016][ T7704] netlink_rcv_skb+0x130/0x360 [ 7076.149016][ T7704] netlink_unicast+0x449/0x710 [ 7076.149016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7076.149016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7076.149016][ T7704] ___sys_sendmsg+0xee/0x170 [ 7076.149016][ T7704] __sys_sendmsg+0xcd/0x170 [ 7076.149016][ T7704] do_syscall_64+0xc6/0x1e0 [ 7076.149016][ T7704] [ 7076.151700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7076.151700][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7076.151700][ T7704] ipv6_find_idev+0x102/0x170 [ 7076.151700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7076.151700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7076.151700][ T7704] netlink_rcv_skb+0x130/0x360 [ 7076.151700][ T7704] netlink_unicast+0x449/0x710 [ 7076.151700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7076.151700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7076.151700][ T7704] ___sys_sendmsg+0xee/0x170 [ 7076.151700][ T7704] __sys_sendmsg+0xcd/0x170 [ 7076.151700][ T7704] do_syscall_64+0xc6/0x1e0 [ 7076.151700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7076.151700][ T7704] [ 7076.153811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7076.153811][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7076.153811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7076.153811][ T7704] ipv6_find_idev+0x102/0x170 [ 7076.153811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7076.153811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7076.153811][ T7704] netlink_rcv_skb+0x130/0x360 [ 7076.153811][ T7704] netlink_unicast+0x449/0x710 [ 7076.153811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7076.153811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7076.153811][ T7704] ___sys_sendmsg+0xee/0x170 [ 7076.153811][ T7704] __sys_sendmsg+0xcd/0x170 [ 7076.153811][ T7704] do_syscall_64+0xc6/0x1e0 [ 7076.153811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7076.153811][ T7704] [ 7086.398948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7086.399447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7086.399447][ T7704] netdev_get_by_index+0x5e/0x80 [ 7086.399447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7086.399447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7086.399447][ T7704] ip6_route_add+0x1c/0x140 [ 7086.399447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7086.399447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7086.399447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.399447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.399447][ T7704] netlink_rcv_skb+0x130/0x360 [ 7086.399447][ T7704] netlink_unicast+0x449/0x710 [ 7086.399447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7086.399447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7086.399447][ T7704] ___sys_sendmsg+0xee/0x170 [ 7086.399447][ T7704] __sys_sendmsg+0xcd/0x170 [ 7086.399447][ T7704] do_syscall_64+0xc6/0x1e0 [ 7086.399447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.399447][ T7704] [ 7086.401718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7086.401718][ T7704] netdev_get_by_index+0x5e/0x80 [ 7086.401718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7086.401718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7086.401718][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7086.401718][ T7704] ipv6_add_addr+0x411/0x2000 [ 7086.401718][ T7704] inet6_addr_add+0x30e/0xa40 [ 7086.401718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.401718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.401718][ T7704] netlink_rcv_skb+0x130/0x360 [ 7086.401718][ T7704] netlink_unicast+0x449/0x710 [ 7086.401718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7086.401718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7086.401718][ T7704] ___sys_sendmsg+0xee/0x170 [ 7086.401718][ T7704] __sys_sendmsg+0xcd/0x170 [ 7086.401718][ T7704] do_syscall_64+0xc6/0x1e0 [ 7086.401718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.401718][ T7704] [ 7086.403956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7086.403956][ T7704] netdev_get_by_index+0x5e/0x80 [ 7086.403956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7086.403956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7086.403956][ T7704] ip6_route_add+0x1c/0x140 [ 7086.403956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7086.403956][ T7704] addrconf_add_dev+0xe2/0x170 [ 7086.403956][ T7704] inet6_addr_add+0x12f/0xa40 [ 7086.403956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.403956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.403956][ T7704] netlink_rcv_skb+0x130/0x360 [ 7086.403956][ T7704] netlink_unicast+0x449/0x710 [ 7086.403956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7086.403956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7086.403956][ T7704] ___sys_sendmsg+0xee/0x170 [ 7086.403956][ T7704] __sys_sendmsg+0xcd/0x170 [ 7086.403956][ T7704] do_syscall_64+0xc6/0x1e0 [ 7086.403956][ T7704] [ 7086.406153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7086.406153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7086.406153][ T7704] ipv6_find_idev+0x102/0x170 [ 7086.406153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.406153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.406153][ T7704] netlink_rcv_skb+0x130/0x360 [ 7086.406153][ T7704] netlink_unicast+0x449/0x710 [ 7086.406153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7086.406153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7086.406153][ T7704] ___sys_sendmsg+0xee/0x170 [ 7086.406153][ T7704] __sys_sendmsg+0xcd/0x170 [ 7086.406153][ T7704] do_syscall_64+0xc6/0x1e0 [ 7086.406153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.406153][ T7704] [ 7086.407876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7086.407876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7086.407876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7086.407876][ T7704] ipv6_find_idev+0x102/0x170 [ 7086.407876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.407876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.407876][ T7704] netlink_rcv_skb+0x130/0x360 [ 7086.407876][ T7704] netlink_unicast+0x449/0x710 [ 7086.407876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7086.407876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7086.407876][ T7704] ___sys_sendmsg+0xee/0x170 [ 7086.407876][ T7704] __sys_sendmsg+0xcd/0x170 [ 7086.407876][ T7704] do_syscall_64+0xc6/0x1e0 [ 7086.407876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.407876][ T7704] [ 7096.646876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7096.647395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7096.647395][ T7704] netdev_get_by_index+0x5e/0x80 [ 7096.647395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7096.647395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7096.647395][ T7704] ip6_route_add+0x1c/0x140 [ 7096.647395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7096.647395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7096.647395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.647395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.647395][ T7704] netlink_rcv_skb+0x130/0x360 [ 7096.647395][ T7704] netlink_unicast+0x449/0x710 [ 7096.647395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7096.647395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7096.647395][ T7704] ___sys_sendmsg+0xee/0x170 [ 7096.647395][ T7704] __sys_sendmsg+0xcd/0x170 [ 7096.647395][ T7704] do_syscall_64+0xc6/0x1e0 [ 7096.647395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.647395][ T7704] [ 7096.649672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7096.649672][ T7704] netdev_get_by_index+0x5e/0x80 [ 7096.649672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7096.649672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7096.649672][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7096.649672][ T7704] ipv6_add_addr+0x411/0x2000 [ 7096.649672][ T7704] inet6_addr_add+0x30e/0xa40 [ 7096.649672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.649672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.649672][ T7704] netlink_rcv_skb+0x130/0x360 [ 7096.649672][ T7704] netlink_unicast+0x449/0x710 [ 7096.649672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7096.649672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7096.649672][ T7704] ___sys_sendmsg+0xee/0x170 [ 7096.649672][ T7704] __sys_sendmsg+0xcd/0x170 [ 7096.649672][ T7704] do_syscall_64+0xc6/0x1e0 [ 7096.649672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.649672][ T7704] [ 7096.651905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7096.651905][ T7704] netdev_get_by_index+0x5e/0x80 [ 7096.651905][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7096.651905][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7096.651905][ T7704] ip6_route_add+0x1c/0x140 [ 7096.651905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7096.651905][ T7704] addrconf_add_dev+0xe2/0x170 [ 7096.651905][ T7704] inet6_addr_add+0x12f/0xa40 [ 7096.651905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.651905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.651905][ T7704] netlink_rcv_skb+0x130/0x360 [ 7096.651905][ T7704] netlink_unicast+0x449/0x710 [ 7096.651905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7096.651905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7096.651905][ T7704] ___sys_sendmsg+0xee/0x170 [ 7096.651905][ T7704] __sys_sendmsg+0xcd/0x170 [ 7096.651905][ T7704] do_syscall_64+0xc6/0x1e0 [ 7096.651905][ T7704] [ 7096.654103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7096.654103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7096.654103][ T7704] ipv6_find_idev+0x102/0x170 [ 7096.654103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.654103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.654103][ T7704] netlink_rcv_skb+0x130/0x360 [ 7096.654103][ T7704] netlink_unicast+0x449/0x710 [ 7096.654103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7096.654103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7096.654103][ T7704] ___sys_sendmsg+0xee/0x170 [ 7096.654103][ T7704] __sys_sendmsg+0xcd/0x170 [ 7096.654103][ T7704] do_syscall_64+0xc6/0x1e0 [ 7096.654103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.654103][ T7704] [ 7096.655812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7096.655812][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7096.655812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7096.655812][ T7704] ipv6_find_idev+0x102/0x170 [ 7096.655812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.655812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.655812][ T7704] netlink_rcv_skb+0x130/0x360 [ 7096.655812][ T7704] netlink_unicast+0x449/0x710 [ 7096.655812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7096.655812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7096.655812][ T7704] ___sys_sendmsg+0xee/0x170 [ 7096.655812][ T7704] __sys_sendmsg+0xcd/0x170 [ 7096.655812][ T7704] do_syscall_64+0xc6/0x1e0 [ 7096.655812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.655812][ T7704] [ 7106.894931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7106.895434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7106.895434][ T7704] netdev_get_by_index+0x5e/0x80 [ 7106.895434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7106.895434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7106.895434][ T7704] ip6_route_add+0x1c/0x140 [ 7106.895434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7106.895434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7106.895434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.895434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.895434][ T7704] netlink_rcv_skb+0x130/0x360 [ 7106.895434][ T7704] netlink_unicast+0x449/0x710 [ 7106.895434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7106.895434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7106.895434][ T7704] ___sys_sendmsg+0xee/0x170 [ 7106.895434][ T7704] __sys_sendmsg+0xcd/0x170 [ 7106.895434][ T7704] do_syscall_64+0xc6/0x1e0 [ 7106.895434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.895434][ T7704] [ 7106.897698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7106.897698][ T7704] netdev_get_by_index+0x5e/0x80 [ 7106.897698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7106.897698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7106.897698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7106.897698][ T7704] ipv6_add_addr+0x411/0x2000 [ 7106.897698][ T7704] inet6_addr_add+0x30e/0xa40 [ 7106.897698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.897698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.897698][ T7704] netlink_rcv_skb+0x130/0x360 [ 7106.897698][ T7704] netlink_unicast+0x449/0x710 [ 7106.897698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7106.897698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7106.897698][ T7704] ___sys_sendmsg+0xee/0x170 [ 7106.897698][ T7704] __sys_sendmsg+0xcd/0x170 [ 7106.897698][ T7704] do_syscall_64+0xc6/0x1e0 [ 7106.897698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.897698][ T7704] [ 7106.900034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7106.900034][ T7704] netdev_get_by_index+0x5e/0x80 [ 7106.900034][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7106.900034][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7106.900034][ T7704] ip6_route_add+0x1c/0x140 [ 7106.900034][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7106.900034][ T7704] addrconf_add_dev+0xe2/0x170 [ 7106.900034][ T7704] inet6_addr_add+0x12f/0xa40 [ 7106.900034][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.900034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.900034][ T7704] netlink_rcv_skb+0x130/0x360 [ 7106.900034][ T7704] netlink_unicast+0x449/0x710 [ 7106.900034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7106.900034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7106.900034][ T7704] ___sys_sendmsg+0xee/0x170 [ 7106.900034][ T7704] __sys_sendmsg+0xcd/0x170 [ 7106.900034][ T7704] do_syscall_64+0xc6/0x1e0 [ 7106.900034][ T7704] [ 7106.902226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7106.902226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7106.902226][ T7704] ipv6_find_idev+0x102/0x170 [ 7106.902226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.902226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.902226][ T7704] netlink_rcv_skb+0x130/0x360 [ 7106.902226][ T7704] netlink_unicast+0x449/0x710 [ 7106.902226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7106.902226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7106.902226][ T7704] ___sys_sendmsg+0xee/0x170 [ 7106.902226][ T7704] __sys_sendmsg+0xcd/0x170 [ 7106.902226][ T7704] do_syscall_64+0xc6/0x1e0 [ 7106.902226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.902226][ T7704] [ 7106.903947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7106.903947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7106.903947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7106.903947][ T7704] ipv6_find_idev+0x102/0x170 [ 7106.903947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.903947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.903947][ T7704] netlink_rcv_skb+0x130/0x360 [ 7106.903947][ T7704] netlink_unicast+0x449/0x710 [ 7106.903947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7106.903947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7106.903947][ T7704] ___sys_sendmsg+0xee/0x170 [ 7106.903947][ T7704] __sys_sendmsg+0xcd/0x170 [ 7106.903947][ T7704] do_syscall_64+0xc6/0x1e0 [ 7106.903947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.903947][ T7704] [ 7117.142879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7117.143385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7117.143385][ T7704] netdev_get_by_index+0x5e/0x80 [ 7117.143385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7117.143385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7117.143385][ T7704] ip6_route_add+0x1c/0x140 [ 7117.143385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7117.143385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7117.143385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7117.143385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7117.143385][ T7704] netlink_rcv_skb+0x130/0x360 [ 7117.143385][ T7704] netlink_unicast+0x449/0x710 [ 7117.143385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7117.143385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7117.143385][ T7704] ___sys_sendmsg+0xee/0x170 [ 7117.143385][ T7704] __sys_sendmsg+0xcd/0x170 [ 7117.143385][ T7704] do_syscall_64+0xc6/0x1e0 [ 7117.143385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7117.143385][ T7704] [ 7117.145643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7117.145643][ T7704] netdev_get_by_index+0x5e/0x80 [ 7117.145643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7117.145643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7117.145643][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7117.145643][ T7704] ipv6_add_addr+0x411/0x2000 [ 7117.145643][ T7704] inet6_addr_add+0x30e/0xa40 [ 7117.145643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7117.145643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7117.145643][ T7704] netlink_rcv_skb+0x130/0x360 [ 7117.145643][ T7704] netlink_unicast+0x449/0x710 [ 7117.145643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7117.145643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7117.145643][ T7704] ___sys_sendmsg+0xee/0x170 [ 7117.145643][ T7704] __sys_sendmsg+0xcd/0x170 [ 7117.145643][ T7704] do_syscall_64+0xc6/0x1e0 [ 7117.145643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7117.145643][ T7704] [ 7117.147881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7117.147881][ T7704] netdev_get_by_index+0x5e/0x80 [ 7117.147881][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7117.147881][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7117.147881][ T7704] ip6_route_add+0x1c/0x140 [ 7117.147881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7117.147881][ T7704] addrconf_add_dev+0xe2/0x170 [ 7117.147881][ T7704] inet6_addr_add+0x12f/0xa40 [ 7117.147881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7117.147881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7117.147881][ T7704] netlink_rcv_skb+0x130/0x360 [ 7117.147881][ T7704] netlink_unicast+0x449/0x710 [ 7117.147881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7117.147881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7117.147881][ T7704] ___sys_sendmsg+0xee/0x170 [ 7117.147881][ T7704] __sys_sendmsg+0xcd/0x170 [ 7117.147881][ T7704] do_syscall_64+0xc6/0x1e0 [ 7117.147881][ T7704] [ 7117.150076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7117.150076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7117.150076][ T7704] ipv6_find_idev+0x102/0x170 [ 7117.150076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7117.150076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7117.150076][ T7704] netlink_rcv_skb+0x130/0x360 [ 7117.150076][ T7704] netlink_unicast+0x449/0x710 [ 7117.150076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7117.150076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7117.150076][ T7704] ___sys_sendmsg+0xee/0x170 [ 7117.150076][ T7704] __sys_sendmsg+0xcd/0x170 [ 7117.150076][ T7704] do_syscall_64+0xc6/0x1e0 [ 7117.150076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7117.150076][ T7704] [ 7117.151791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7117.151791][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7117.151791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7117.151791][ T7704] ipv6_find_idev+0x102/0x170 [ 7117.151791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7117.151791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7117.151791][ T7704] netlink_rcv_skb+0x130/0x360 [ 7117.151791][ T7704] netlink_unicast+0x449/0x710 [ 7117.151791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7117.151791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7117.151791][ T7704] ___sys_sendmsg+0xee/0x170 [ 7117.151791][ T7704] __sys_sendmsg+0xcd/0x170 [ 7117.151791][ T7704] do_syscall_64+0xc6/0x1e0 [ 7117.151791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7117.151791][ T7704] [ 7127.390957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7127.391494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7127.391494][ T7704] netdev_get_by_index+0x5e/0x80 [ 7127.391494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7127.391494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7127.391494][ T7704] ip6_route_add+0x1c/0x140 [ 7127.391494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7127.391494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7127.391494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.391494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.391494][ T7704] netlink_rcv_skb+0x130/0x360 [ 7127.391494][ T7704] netlink_unicast+0x449/0x710 [ 7127.391494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7127.391494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7127.391494][ T7704] ___sys_sendmsg+0xee/0x170 [ 7127.391494][ T7704] __sys_sendmsg+0xcd/0x170 [ 7127.391494][ T7704] do_syscall_64+0xc6/0x1e0 [ 7127.391494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.391494][ T7704] [ 7127.393843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7127.393843][ T7704] netdev_get_by_index+0x5e/0x80 [ 7127.393843][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7127.393843][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7127.393843][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7127.393843][ T7704] ipv6_add_addr+0x411/0x2000 [ 7127.393843][ T7704] inet6_addr_add+0x30e/0xa40 [ 7127.393843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.393843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.393843][ T7704] netlink_rcv_skb+0x130/0x360 [ 7127.393843][ T7704] netlink_unicast+0x449/0x710 [ 7127.393843][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7127.393843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7127.393843][ T7704] ___sys_sendmsg+0xee/0x170 [ 7127.393843][ T7704] __sys_sendmsg+0xcd/0x170 [ 7127.393843][ T7704] do_syscall_64+0xc6/0x1e0 [ 7127.393843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.393843][ T7704] [ 7127.396110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7127.396110][ T7704] netdev_get_by_index+0x5e/0x80 [ 7127.396110][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7127.396110][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7127.396110][ T7704] ip6_route_add+0x1c/0x140 [ 7127.396110][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7127.396110][ T7704] addrconf_add_dev+0xe2/0x170 [ 7127.396110][ T7704] inet6_addr_add+0x12f/0xa40 [ 7127.396110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.396110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.396110][ T7704] netlink_rcv_skb+0x130/0x360 [ 7127.396110][ T7704] netlink_unicast+0x449/0x710 [ 7127.396110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7127.396110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7127.396110][ T7704] ___sys_sendmsg+0xee/0x170 [ 7127.396110][ T7704] __sys_sendmsg+0xcd/0x170 [ 7127.396110][ T7704] do_syscall_64+0xc6/0x1e0 [ 7127.396110][ T7704] [ 7127.398345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7127.398345][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7127.398345][ T7704] ipv6_find_idev+0x102/0x170 [ 7127.398345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.398345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.398345][ T7704] netlink_rcv_skb+0x130/0x360 [ 7127.398345][ T7704] netlink_unicast+0x449/0x710 [ 7127.398345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7127.398345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7127.398345][ T7704] ___sys_sendmsg+0xee/0x170 [ 7127.398345][ T7704] __sys_sendmsg+0xcd/0x170 [ 7127.398345][ T7704] do_syscall_64+0xc6/0x1e0 [ 7127.398345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.398345][ T7704] [ 7127.400092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7127.400092][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7127.400092][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7127.400092][ T7704] ipv6_find_idev+0x102/0x170 [ 7127.400092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.400092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.400092][ T7704] netlink_rcv_skb+0x130/0x360 [ 7127.400092][ T7704] netlink_unicast+0x449/0x710 [ 7127.400092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7127.400092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7127.400092][ T7704] ___sys_sendmsg+0xee/0x170 [ 7127.400092][ T7704] __sys_sendmsg+0xcd/0x170 [ 7127.400092][ T7704] do_syscall_64+0xc6/0x1e0 [ 7127.400092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.400092][ T7704] [ 7137.494956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7137.495487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7137.495487][ T7704] netdev_get_by_index+0x5e/0x80 [ 7137.495487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7137.495487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7137.495487][ T7704] ip6_route_add+0x1c/0x140 [ 7137.495487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7137.495487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7137.495487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.495487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.495487][ T7704] netlink_rcv_skb+0x130/0x360 [ 7137.495487][ T7704] netlink_unicast+0x449/0x710 [ 7137.495487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7137.495487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7137.495487][ T7704] ___sys_sendmsg+0xee/0x170 [ 7137.495487][ T7704] __sys_sendmsg+0xcd/0x170 [ 7137.495487][ T7704] do_syscall_64+0xc6/0x1e0 [ 7137.495487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.495487][ T7704] [ 7137.497751][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7137.497751][ T7704] netdev_get_by_index+0x5e/0x80 [ 7137.497751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7137.497751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7137.497751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7137.497751][ T7704] ipv6_add_addr+0x411/0x2000 [ 7137.497751][ T7704] inet6_addr_add+0x30e/0xa40 [ 7137.497751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.497751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.497751][ T7704] netlink_rcv_skb+0x130/0x360 [ 7137.497751][ T7704] netlink_unicast+0x449/0x710 [ 7137.497751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7137.497751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7137.497751][ T7704] ___sys_sendmsg+0xee/0x170 [ 7137.497751][ T7704] __sys_sendmsg+0xcd/0x170 [ 7137.497751][ T7704] do_syscall_64+0xc6/0x1e0 [ 7137.497751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.497751][ T7704] [ 7137.499986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7137.499986][ T7704] netdev_get_by_index+0x5e/0x80 [ 7137.499986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7137.499986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7137.499986][ T7704] ip6_route_add+0x1c/0x140 [ 7137.499986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7137.499986][ T7704] addrconf_add_dev+0xe2/0x170 [ 7137.499986][ T7704] inet6_addr_add+0x12f/0xa40 [ 7137.499986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.499986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.499986][ T7704] netlink_rcv_skb+0x130/0x360 [ 7137.499986][ T7704] netlink_unicast+0x449/0x710 [ 7137.499986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7137.499986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7137.499986][ T7704] ___sys_sendmsg+0xee/0x170 [ 7137.499986][ T7704] __sys_sendmsg+0xcd/0x170 [ 7137.499986][ T7704] do_syscall_64+0xc6/0x1e0 [ 7137.499986][ T7704] [ 7137.502165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7137.502165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7137.502165][ T7704] ipv6_find_idev+0x102/0x170 [ 7137.502165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.502165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.502165][ T7704] netlink_rcv_skb+0x130/0x360 [ 7137.502165][ T7704] netlink_unicast+0x449/0x710 [ 7137.502165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7137.502165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7137.502165][ T7704] ___sys_sendmsg+0xee/0x170 [ 7137.502165][ T7704] __sys_sendmsg+0xcd/0x170 [ 7137.502165][ T7704] do_syscall_64+0xc6/0x1e0 [ 7137.502165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.502165][ T7704] [ 7137.503877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7137.503877][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7137.503877][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7137.503877][ T7704] ipv6_find_idev+0x102/0x170 [ 7137.503877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.503877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.503877][ T7704] netlink_rcv_skb+0x130/0x360 [ 7137.503877][ T7704] netlink_unicast+0x449/0x710 [ 7137.503877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7137.503877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7137.503877][ T7704] ___sys_sendmsg+0xee/0x170 [ 7137.503877][ T7704] __sys_sendmsg+0xcd/0x170 [ 7137.503877][ T7704] do_syscall_64+0xc6/0x1e0 [ 7137.503877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.503877][ T7704] [ 7147.742938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7147.743444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7147.743444][ T7704] netdev_get_by_index+0x5e/0x80 [ 7147.743444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7147.743444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7147.743444][ T7704] ip6_route_add+0x1c/0x140 [ 7147.743444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7147.743444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7147.743444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.743444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.743444][ T7704] netlink_rcv_skb+0x130/0x360 [ 7147.743444][ T7704] netlink_unicast+0x449/0x710 [ 7147.743444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7147.743444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7147.743444][ T7704] ___sys_sendmsg+0xee/0x170 [ 7147.743444][ T7704] __sys_sendmsg+0xcd/0x170 [ 7147.743444][ T7704] do_syscall_64+0xc6/0x1e0 [ 7147.743444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.743444][ T7704] [ 7147.745707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7147.745707][ T7704] netdev_get_by_index+0x5e/0x80 [ 7147.745707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7147.745707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7147.745707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7147.745707][ T7704] ipv6_add_addr+0x411/0x2000 [ 7147.745707][ T7704] inet6_addr_add+0x30e/0xa40 [ 7147.745707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.745707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.745707][ T7704] netlink_rcv_skb+0x130/0x360 [ 7147.745707][ T7704] netlink_unicast+0x449/0x710 [ 7147.745707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7147.745707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7147.745707][ T7704] ___sys_sendmsg+0xee/0x170 [ 7147.745707][ T7704] __sys_sendmsg+0xcd/0x170 [ 7147.745707][ T7704] do_syscall_64+0xc6/0x1e0 [ 7147.745707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.745707][ T7704] [ 7147.747947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7147.747947][ T7704] netdev_get_by_index+0x5e/0x80 [ 7147.747947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7147.747947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7147.747947][ T7704] ip6_route_add+0x1c/0x140 [ 7147.747947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7147.747947][ T7704] addrconf_add_dev+0xe2/0x170 [ 7147.747947][ T7704] inet6_addr_add+0x12f/0xa40 [ 7147.747947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.747947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.747947][ T7704] netlink_rcv_skb+0x130/0x360 [ 7147.747947][ T7704] netlink_unicast+0x449/0x710 [ 7147.747947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7147.747947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7147.747947][ T7704] ___sys_sendmsg+0xee/0x170 [ 7147.747947][ T7704] __sys_sendmsg+0xcd/0x170 [ 7147.747947][ T7704] do_syscall_64+0xc6/0x1e0 [ 7147.747947][ T7704] [ 7147.750144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7147.750144][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7147.750144][ T7704] ipv6_find_idev+0x102/0x170 [ 7147.750144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.750144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.750144][ T7704] netlink_rcv_skb+0x130/0x360 [ 7147.750144][ T7704] netlink_unicast+0x449/0x710 [ 7147.750144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7147.750144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7147.750144][ T7704] ___sys_sendmsg+0xee/0x170 [ 7147.750144][ T7704] __sys_sendmsg+0xcd/0x170 [ 7147.750144][ T7704] do_syscall_64+0xc6/0x1e0 [ 7147.750144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.750144][ T7704] [ 7147.751860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7147.751860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7147.751860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7147.751860][ T7704] ipv6_find_idev+0x102/0x170 [ 7147.751860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.751860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.751860][ T7704] netlink_rcv_skb+0x130/0x360 [ 7147.751860][ T7704] netlink_unicast+0x449/0x710 [ 7147.751860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7147.751860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7147.751860][ T7704] ___sys_sendmsg+0xee/0x170 [ 7147.751860][ T7704] __sys_sendmsg+0xcd/0x170 [ 7147.751860][ T7704] do_syscall_64+0xc6/0x1e0 [ 7147.751860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.751860][ T7704] [ 7157.990936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7157.991464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7157.991464][ T7704] netdev_get_by_index+0x5e/0x80 [ 7157.991464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7157.991464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7157.991464][ T7704] ip6_route_add+0x1c/0x140 [ 7157.991464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7157.991464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7157.991464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7157.991464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7157.991464][ T7704] netlink_rcv_skb+0x130/0x360 [ 7157.991464][ T7704] netlink_unicast+0x449/0x710 [ 7157.991464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7157.991464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7157.991464][ T7704] ___sys_sendmsg+0xee/0x170 [ 7157.991464][ T7704] __sys_sendmsg+0xcd/0x170 [ 7157.991464][ T7704] do_syscall_64+0xc6/0x1e0 [ 7157.991464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7157.991464][ T7704] [ 7157.993725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7157.993725][ T7704] netdev_get_by_index+0x5e/0x80 [ 7157.993725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7157.993725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7157.993725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7157.993725][ T7704] ipv6_add_addr+0x411/0x2000 [ 7157.993725][ T7704] inet6_addr_add+0x30e/0xa40 [ 7157.993725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7157.993725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7157.993725][ T7704] netlink_rcv_skb+0x130/0x360 [ 7157.993725][ T7704] netlink_unicast+0x449/0x710 [ 7157.993725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7157.993725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7157.993725][ T7704] ___sys_sendmsg+0xee/0x170 [ 7157.993725][ T7704] __sys_sendmsg+0xcd/0x170 [ 7157.993725][ T7704] do_syscall_64+0xc6/0x1e0 [ 7157.993725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7157.993725][ T7704] [ 7157.995952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7157.995952][ T7704] netdev_get_by_index+0x5e/0x80 [ 7157.995952][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7157.995952][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7157.995952][ T7704] ip6_route_add+0x1c/0x140 [ 7157.995952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7157.995952][ T7704] addrconf_add_dev+0xe2/0x170 [ 7157.995952][ T7704] inet6_addr_add+0x12f/0xa40 [ 7157.995952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7157.995952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7157.995952][ T7704] netlink_rcv_skb+0x130/0x360 [ 7157.995952][ T7704] netlink_unicast+0x449/0x710 [ 7157.995952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7157.995952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7157.995952][ T7704] ___sys_sendmsg+0xee/0x170 [ 7157.995952][ T7704] __sys_sendmsg+0xcd/0x170 [ 7157.995952][ T7704] do_syscall_64+0xc6/0x1e0 [ 7157.995952][ T7704] [ 7157.998667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7157.998667][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7157.998667][ T7704] ipv6_find_idev+0x102/0x170 [ 7157.998667][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7157.998667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7157.998667][ T7704] netlink_rcv_skb+0x130/0x360 [ 7157.998667][ T7704] netlink_unicast+0x449/0x710 [ 7157.998667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7157.998667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7157.998667][ T7704] ___sys_sendmsg+0xee/0x170 [ 7157.998667][ T7704] __sys_sendmsg+0xcd/0x170 [ 7157.998667][ T7704] do_syscall_64+0xc6/0x1e0 [ 7157.998667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7157.998667][ T7704] [ 7158.000373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7158.000373][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7158.000373][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7158.000373][ T7704] ipv6_find_idev+0x102/0x170 [ 7158.000373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.000373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.000373][ T7704] netlink_rcv_skb+0x130/0x360 [ 7158.000373][ T7704] netlink_unicast+0x449/0x710 [ 7158.000373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7158.000373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7158.000373][ T7704] ___sys_sendmsg+0xee/0x170 [ 7158.000373][ T7704] __sys_sendmsg+0xcd/0x170 [ 7158.000373][ T7704] do_syscall_64+0xc6/0x1e0 [ 7158.000373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.000373][ T7704] [ 7168.126939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7168.127488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7168.127488][ T7704] netdev_get_by_index+0x5e/0x80 [ 7168.127488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7168.127488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7168.127488][ T7704] ip6_route_add+0x1c/0x140 [ 7168.127488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7168.127488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7168.127488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.127488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.127488][ T7704] netlink_rcv_skb+0x130/0x360 [ 7168.127488][ T7704] netlink_unicast+0x449/0x710 [ 7168.127488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7168.127488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7168.127488][ T7704] ___sys_sendmsg+0xee/0x170 [ 7168.127488][ T7704] __sys_sendmsg+0xcd/0x170 [ 7168.127488][ T7704] do_syscall_64+0xc6/0x1e0 [ 7168.127488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.127488][ T7704] [ 7168.130252][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7168.130252][ T7704] netdev_get_by_index+0x5e/0x80 [ 7168.130252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7168.130252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7168.130252][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7168.130252][ T7704] ipv6_add_addr+0x411/0x2000 [ 7168.130252][ T7704] inet6_addr_add+0x30e/0xa40 [ 7168.130252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.130252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.130252][ T7704] netlink_rcv_skb+0x130/0x360 [ 7168.130252][ T7704] netlink_unicast+0x449/0x710 [ 7168.130252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7168.130252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7168.130252][ T7704] ___sys_sendmsg+0xee/0x170 [ 7168.130252][ T7704] __sys_sendmsg+0xcd/0x170 [ 7168.130252][ T7704] do_syscall_64+0xc6/0x1e0 [ 7168.130252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.130252][ T7704] [ 7168.133002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7168.133002][ T7704] netdev_get_by_index+0x5e/0x80 [ 7168.133002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7168.133002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7168.133002][ T7704] ip6_route_add+0x1c/0x140 [ 7168.133002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7168.133002][ T7704] addrconf_add_dev+0xe2/0x170 [ 7168.133002][ T7704] inet6_addr_add+0x12f/0xa40 [ 7168.133002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.133002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.133002][ T7704] netlink_rcv_skb+0x130/0x360 [ 7168.133002][ T7704] netlink_unicast+0x449/0x710 [ 7168.133002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7168.133002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7168.133002][ T7704] ___sys_sendmsg+0xee/0x170 [ 7168.133002][ T7704] __sys_sendmsg+0xcd/0x170 [ 7168.133002][ T7704] do_syscall_64+0xc6/0x1e0 [ 7168.133002][ T7704] [ 7168.135695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7168.135695][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7168.135695][ T7704] ipv6_find_idev+0x102/0x170 [ 7168.135695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.135695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.135695][ T7704] netlink_rcv_skb+0x130/0x360 [ 7168.135695][ T7704] netlink_unicast+0x449/0x710 [ 7168.135695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7168.135695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7168.135695][ T7704] ___sys_sendmsg+0xee/0x170 [ 7168.135695][ T7704] __sys_sendmsg+0xcd/0x170 [ 7168.135695][ T7704] do_syscall_64+0xc6/0x1e0 [ 7168.135695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.135695][ T7704] [ 7168.137807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7168.137807][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7168.137807][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7168.137807][ T7704] ipv6_find_idev+0x102/0x170 [ 7168.137807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.137807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.137807][ T7704] netlink_rcv_skb+0x130/0x360 [ 7168.137807][ T7704] netlink_unicast+0x449/0x710 [ 7168.137807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7168.137807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7168.137807][ T7704] ___sys_sendmsg+0xee/0x170 [ 7168.137807][ T7704] __sys_sendmsg+0xcd/0x170 [ 7168.137807][ T7704] do_syscall_64+0xc6/0x1e0 [ 7168.137807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.137807][ T7704] [ 7178.382949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7178.383483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7178.383483][ T7704] netdev_get_by_index+0x5e/0x80 [ 7178.383483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7178.383483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7178.383483][ T7704] ip6_route_add+0x1c/0x140 [ 7178.383483][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7178.383483][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7178.383483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.383483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.383483][ T7704] netlink_rcv_skb+0x130/0x360 [ 7178.383483][ T7704] netlink_unicast+0x449/0x710 [ 7178.383483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7178.383483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7178.383483][ T7704] ___sys_sendmsg+0xee/0x170 [ 7178.383483][ T7704] __sys_sendmsg+0xcd/0x170 [ 7178.383483][ T7704] do_syscall_64+0xc6/0x1e0 [ 7178.383483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.383483][ T7704] [ 7178.386255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7178.386255][ T7704] netdev_get_by_index+0x5e/0x80 [ 7178.386255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7178.386255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7178.386255][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7178.386255][ T7704] ipv6_add_addr+0x411/0x2000 [ 7178.386255][ T7704] inet6_addr_add+0x30e/0xa40 [ 7178.386255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.386255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.386255][ T7704] netlink_rcv_skb+0x130/0x360 [ 7178.386255][ T7704] netlink_unicast+0x449/0x710 [ 7178.386255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7178.386255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7178.386255][ T7704] ___sys_sendmsg+0xee/0x170 [ 7178.386255][ T7704] __sys_sendmsg+0xcd/0x170 [ 7178.386255][ T7704] do_syscall_64+0xc6/0x1e0 [ 7178.386255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.386255][ T7704] [ 7178.388991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7178.388991][ T7704] netdev_get_by_index+0x5e/0x80 [ 7178.388991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7178.388991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7178.388991][ T7704] ip6_route_add+0x1c/0x140 [ 7178.388991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7178.388991][ T7704] addrconf_add_dev+0xe2/0x170 [ 7178.388991][ T7704] inet6_addr_add+0x12f/0xa40 [ 7178.388991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.388991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.388991][ T7704] netlink_rcv_skb+0x130/0x360 [ 7178.388991][ T7704] netlink_unicast+0x449/0x710 [ 7178.388991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7178.388991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7178.388991][ T7704] ___sys_sendmsg+0xee/0x170 [ 7178.388991][ T7704] __sys_sendmsg+0xcd/0x170 [ 7178.388991][ T7704] do_syscall_64+0xc6/0x1e0 [ 7178.388991][ T7704] [ 7178.391684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7178.391684][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7178.391684][ T7704] ipv6_find_idev+0x102/0x170 [ 7178.391684][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.391684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.391684][ T7704] netlink_rcv_skb+0x130/0x360 [ 7178.391684][ T7704] netlink_unicast+0x449/0x710 [ 7178.391684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7178.391684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7178.391684][ T7704] ___sys_sendmsg+0xee/0x170 [ 7178.391684][ T7704] __sys_sendmsg+0xcd/0x170 [ 7178.391684][ T7704] do_syscall_64+0xc6/0x1e0 [ 7178.391684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.391684][ T7704] [ 7178.393795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7178.393795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7178.393795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7178.393795][ T7704] ipv6_find_idev+0x102/0x170 [ 7178.393795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.393795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.393795][ T7704] netlink_rcv_skb+0x130/0x360 [ 7178.393795][ T7704] netlink_unicast+0x449/0x710 [ 7178.393795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7178.393795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7178.393795][ T7704] ___sys_sendmsg+0xee/0x170 [ 7178.393795][ T7704] __sys_sendmsg+0xcd/0x170 [ 7178.393795][ T7704] do_syscall_64+0xc6/0x1e0 [ 7178.393795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.393795][ T7704] [ 7188.422951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7188.423480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7188.423480][ T7704] netdev_get_by_index+0x5e/0x80 [ 7188.423480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7188.423480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7188.423480][ T7704] ip6_route_add+0x1c/0x140 [ 7188.423480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7188.423480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7188.423480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.423480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.423480][ T7704] netlink_rcv_skb+0x130/0x360 [ 7188.423480][ T7704] netlink_unicast+0x449/0x710 [ 7188.423480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7188.423480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7188.423480][ T7704] ___sys_sendmsg+0xee/0x170 [ 7188.423480][ T7704] __sys_sendmsg+0xcd/0x170 [ 7188.423480][ T7704] do_syscall_64+0xc6/0x1e0 [ 7188.423480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.423480][ T7704] [ 7188.426287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7188.426287][ T7704] netdev_get_by_index+0x5e/0x80 [ 7188.426287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7188.426287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7188.426287][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7188.426287][ T7704] ipv6_add_addr+0x411/0x2000 [ 7188.426287][ T7704] inet6_addr_add+0x30e/0xa40 [ 7188.426287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.426287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.426287][ T7704] netlink_rcv_skb+0x130/0x360 [ 7188.426287][ T7704] netlink_unicast+0x449/0x710 [ 7188.426287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7188.426287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7188.426287][ T7704] ___sys_sendmsg+0xee/0x170 [ 7188.426287][ T7704] __sys_sendmsg+0xcd/0x170 [ 7188.426287][ T7704] do_syscall_64+0xc6/0x1e0 [ 7188.426287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.426287][ T7704] [ 7188.429025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7188.429025][ T7704] netdev_get_by_index+0x5e/0x80 [ 7188.429025][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7188.429025][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7188.429025][ T7704] ip6_route_add+0x1c/0x140 [ 7188.429025][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7188.429025][ T7704] addrconf_add_dev+0xe2/0x170 [ 7188.429025][ T7704] inet6_addr_add+0x12f/0xa40 [ 7188.429025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.429025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.429025][ T7704] netlink_rcv_skb+0x130/0x360 [ 7188.429025][ T7704] netlink_unicast+0x449/0x710 [ 7188.429025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7188.429025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7188.429025][ T7704] ___sys_sendmsg+0xee/0x170 [ 7188.429025][ T7704] __sys_sendmsg+0xcd/0x170 [ 7188.429025][ T7704] do_syscall_64+0xc6/0x1e0 [ 7188.429025][ T7704] [ 7188.431715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7188.431715][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7188.431715][ T7704] ipv6_find_idev+0x102/0x170 [ 7188.431715][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.431715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.431715][ T7704] netlink_rcv_skb+0x130/0x360 [ 7188.431715][ T7704] netlink_unicast+0x449/0x710 [ 7188.431715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7188.431715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7188.431715][ T7704] ___sys_sendmsg+0xee/0x170 [ 7188.431715][ T7704] __sys_sendmsg+0xcd/0x170 [ 7188.431715][ T7704] do_syscall_64+0xc6/0x1e0 [ 7188.431715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.431715][ T7704] [ 7188.433823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7188.433823][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7188.433823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7188.433823][ T7704] ipv6_find_idev+0x102/0x170 [ 7188.433823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.433823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.433823][ T7704] netlink_rcv_skb+0x130/0x360 [ 7188.433823][ T7704] netlink_unicast+0x449/0x710 [ 7188.433823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7188.433823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7188.433823][ T7704] ___sys_sendmsg+0xee/0x170 [ 7188.433823][ T7704] __sys_sendmsg+0xcd/0x170 [ 7188.433823][ T7704] do_syscall_64+0xc6/0x1e0 [ 7188.433823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.433823][ T7704] [ 7198.630943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7198.631397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7198.631397][ T7704] netdev_get_by_index+0x5e/0x80 [ 7198.631397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7198.631397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7198.631397][ T7704] ip6_route_add+0x1c/0x140 [ 7198.631397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7198.631397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7198.631397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.631397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.631397][ T7704] netlink_rcv_skb+0x130/0x360 [ 7198.631397][ T7704] netlink_unicast+0x449/0x710 [ 7198.631397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7198.631397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7198.631397][ T7704] ___sys_sendmsg+0xee/0x170 [ 7198.631397][ T7704] __sys_sendmsg+0xcd/0x170 [ 7198.631397][ T7704] do_syscall_64+0xc6/0x1e0 [ 7198.631397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.631397][ T7704] [ 7198.633646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7198.633646][ T7704] netdev_get_by_index+0x5e/0x80 [ 7198.633646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7198.633646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7198.633646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7198.633646][ T7704] ipv6_add_addr+0x411/0x2000 [ 7198.633646][ T7704] inet6_addr_add+0x30e/0xa40 [ 7198.633646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.633646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.633646][ T7704] netlink_rcv_skb+0x130/0x360 [ 7198.633646][ T7704] netlink_unicast+0x449/0x710 [ 7198.633646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7198.633646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7198.633646][ T7704] ___sys_sendmsg+0xee/0x170 [ 7198.633646][ T7704] __sys_sendmsg+0xcd/0x170 [ 7198.633646][ T7704] do_syscall_64+0xc6/0x1e0 [ 7198.633646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.633646][ T7704] [ 7198.635883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7198.635883][ T7704] netdev_get_by_index+0x5e/0x80 [ 7198.635883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7198.635883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7198.635883][ T7704] ip6_route_add+0x1c/0x140 [ 7198.635883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.635883][ T7704] addrconf_add_dev+0xe2/0x170 [ 7198.635883][ T7704] inet6_addr_add+0x12f/0xa40 [ 7198.635883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.635883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.635883][ T7704] netlink_rcv_skb+0x130/0x360 [ 7198.635883][ T7704] netlink_unicast+0x449/0x710 [ 7198.635883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7198.635883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7198.635883][ T7704] ___sys_sendmsg+0xee/0x170 [ 7198.635883][ T7704] __sys_sendmsg+0xcd/0x170 [ 7198.635883][ T7704] do_syscall_64+0xc6/0x1e0 [ 7198.635883][ T7704] [ 7198.638077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7198.638077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7198.638077][ T7704] ipv6_find_idev+0x102/0x170 [ 7198.638077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.638077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.638077][ T7704] netlink_rcv_skb+0x130/0x360 [ 7198.638077][ T7704] netlink_unicast+0x449/0x710 [ 7198.638077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7198.638077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7198.638077][ T7704] ___sys_sendmsg+0xee/0x170 [ 7198.638077][ T7704] __sys_sendmsg+0xcd/0x170 [ 7198.638077][ T7704] do_syscall_64+0xc6/0x1e0 [ 7198.638077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.638077][ T7704] [ 7198.639787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7198.639787][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7198.639787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7198.639787][ T7704] ipv6_find_idev+0x102/0x170 [ 7198.639787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.639787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.639787][ T7704] netlink_rcv_skb+0x130/0x360 [ 7198.639787][ T7704] netlink_unicast+0x449/0x710 [ 7198.639787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7198.639787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7198.639787][ T7704] ___sys_sendmsg+0xee/0x170 [ 7198.639787][ T7704] __sys_sendmsg+0xcd/0x170 [ 7198.639787][ T7704] do_syscall_64+0xc6/0x1e0 [ 7198.639787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.639787][ T7704] [ 7208.878904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7208.879446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7208.879446][ T7704] netdev_get_by_index+0x5e/0x80 [ 7208.879446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7208.879446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7208.879446][ T7704] ip6_route_add+0x1c/0x140 [ 7208.879446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7208.879446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7208.879446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.879446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.879446][ T7704] netlink_rcv_skb+0x130/0x360 [ 7208.879446][ T7704] netlink_unicast+0x449/0x710 [ 7208.879446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7208.879446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7208.879446][ T7704] ___sys_sendmsg+0xee/0x170 [ 7208.879446][ T7704] __sys_sendmsg+0xcd/0x170 [ 7208.879446][ T7704] do_syscall_64+0xc6/0x1e0 [ 7208.879446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.879446][ T7704] [ 7208.881690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7208.881690][ T7704] netdev_get_by_index+0x5e/0x80 [ 7208.881690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7208.881690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7208.881690][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7208.881690][ T7704] ipv6_add_addr+0x411/0x2000 [ 7208.881690][ T7704] inet6_addr_add+0x30e/0xa40 [ 7208.881690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.881690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.881690][ T7704] netlink_rcv_skb+0x130/0x360 [ 7208.881690][ T7704] netlink_unicast+0x449/0x710 [ 7208.881690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7208.881690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7208.881690][ T7704] ___sys_sendmsg+0xee/0x170 [ 7208.881690][ T7704] __sys_sendmsg+0xcd/0x170 [ 7208.881690][ T7704] do_syscall_64+0xc6/0x1e0 [ 7208.881690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.881690][ T7704] [ 7208.883924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7208.883924][ T7704] netdev_get_by_index+0x5e/0x80 [ 7208.883924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7208.883924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7208.883924][ T7704] ip6_route_add+0x1c/0x140 [ 7208.883924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7208.883924][ T7704] addrconf_add_dev+0xe2/0x170 [ 7208.883924][ T7704] inet6_addr_add+0x12f/0xa40 [ 7208.883924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.883924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.883924][ T7704] netlink_rcv_skb+0x130/0x360 [ 7208.883924][ T7704] netlink_unicast+0x449/0x710 [ 7208.883924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7208.883924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7208.883924][ T7704] ___sys_sendmsg+0xee/0x170 [ 7208.883924][ T7704] __sys_sendmsg+0xcd/0x170 [ 7208.883924][ T7704] do_syscall_64+0xc6/0x1e0 [ 7208.883924][ T7704] [ 7208.886111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7208.886111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7208.886111][ T7704] ipv6_find_idev+0x102/0x170 [ 7208.886111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.886111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.886111][ T7704] netlink_rcv_skb+0x130/0x360 [ 7208.886111][ T7704] netlink_unicast+0x449/0x710 [ 7208.886111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7208.886111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7208.886111][ T7704] ___sys_sendmsg+0xee/0x170 [ 7208.886111][ T7704] __sys_sendmsg+0xcd/0x170 [ 7208.886111][ T7704] do_syscall_64+0xc6/0x1e0 [ 7208.886111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.886111][ T7704] [ 7208.887815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7208.887815][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7208.887815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7208.887815][ T7704] ipv6_find_idev+0x102/0x170 [ 7208.887815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.887815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.887815][ T7704] netlink_rcv_skb+0x130/0x360 [ 7208.887815][ T7704] netlink_unicast+0x449/0x710 [ 7208.887815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7208.887815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7208.887815][ T7704] ___sys_sendmsg+0xee/0x170 [ 7208.887815][ T7704] __sys_sendmsg+0xcd/0x170 [ 7208.887815][ T7704] do_syscall_64+0xc6/0x1e0 [ 7208.887815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.887815][ T7704] [ 7219.126943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7219.127488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7219.127488][ T7704] netdev_get_by_index+0x5e/0x80 [ 7219.127488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7219.127488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7219.127488][ T7704] ip6_route_add+0x1c/0x140 [ 7219.127488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7219.127488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7219.127488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.127488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.127488][ T7704] netlink_rcv_skb+0x130/0x360 [ 7219.127488][ T7704] netlink_unicast+0x449/0x710 [ 7219.127488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7219.127488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7219.127488][ T7704] ___sys_sendmsg+0xee/0x170 [ 7219.127488][ T7704] __sys_sendmsg+0xcd/0x170 [ 7219.127488][ T7704] do_syscall_64+0xc6/0x1e0 [ 7219.127488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.127488][ T7704] [ 7219.129733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7219.129733][ T7704] netdev_get_by_index+0x5e/0x80 [ 7219.129733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7219.129733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7219.129733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7219.129733][ T7704] ipv6_add_addr+0x411/0x2000 [ 7219.129733][ T7704] inet6_addr_add+0x30e/0xa40 [ 7219.129733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.129733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.129733][ T7704] netlink_rcv_skb+0x130/0x360 [ 7219.129733][ T7704] netlink_unicast+0x449/0x710 [ 7219.129733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7219.129733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7219.129733][ T7704] ___sys_sendmsg+0xee/0x170 [ 7219.129733][ T7704] __sys_sendmsg+0xcd/0x170 [ 7219.129733][ T7704] do_syscall_64+0xc6/0x1e0 [ 7219.129733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.129733][ T7704] [ 7219.131969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7219.131969][ T7704] netdev_get_by_index+0x5e/0x80 [ 7219.131969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7219.131969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7219.131969][ T7704] ip6_route_add+0x1c/0x140 [ 7219.131969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7219.131969][ T7704] addrconf_add_dev+0xe2/0x170 [ 7219.131969][ T7704] inet6_addr_add+0x12f/0xa40 [ 7219.131969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.131969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.131969][ T7704] netlink_rcv_skb+0x130/0x360 [ 7219.131969][ T7704] netlink_unicast+0x449/0x710 [ 7219.131969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7219.131969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7219.131969][ T7704] ___sys_sendmsg+0xee/0x170 [ 7219.131969][ T7704] __sys_sendmsg+0xcd/0x170 [ 7219.131969][ T7704] do_syscall_64+0xc6/0x1e0 [ 7219.131969][ T7704] [ 7219.134151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7219.134151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7219.134151][ T7704] ipv6_find_idev+0x102/0x170 [ 7219.134151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.134151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.134151][ T7704] netlink_rcv_skb+0x130/0x360 [ 7219.134151][ T7704] netlink_unicast+0x449/0x710 [ 7219.134151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7219.134151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7219.134151][ T7704] ___sys_sendmsg+0xee/0x170 [ 7219.134151][ T7704] __sys_sendmsg+0xcd/0x170 [ 7219.134151][ T7704] do_syscall_64+0xc6/0x1e0 [ 7219.134151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.134151][ T7704] [ 7219.135859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7219.135859][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7219.135859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7219.135859][ T7704] ipv6_find_idev+0x102/0x170 [ 7219.135859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.135859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.135859][ T7704] netlink_rcv_skb+0x130/0x360 [ 7219.135859][ T7704] netlink_unicast+0x449/0x710 [ 7219.135859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7219.135859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7219.135859][ T7704] ___sys_sendmsg+0xee/0x170 [ 7219.135859][ T7704] __sys_sendmsg+0xcd/0x170 [ 7219.135859][ T7704] do_syscall_64+0xc6/0x1e0 [ 7219.135859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.135859][ T7704] [ 7229.207010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7229.207514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7229.207514][ T7704] netdev_get_by_index+0x5e/0x80 [ 7229.207514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7229.207514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7229.207514][ T7704] ip6_route_add+0x1c/0x140 [ 7229.207514][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7229.207514][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7229.207514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.207514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.207514][ T7704] netlink_rcv_skb+0x130/0x360 [ 7229.207514][ T7704] netlink_unicast+0x449/0x710 [ 7229.207514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7229.207514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7229.207514][ T7704] ___sys_sendmsg+0xee/0x170 [ 7229.207514][ T7704] __sys_sendmsg+0xcd/0x170 [ 7229.207514][ T7704] do_syscall_64+0xc6/0x1e0 [ 7229.207514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.207514][ T7704] [ 7229.209805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7229.209805][ T7704] netdev_get_by_index+0x5e/0x80 [ 7229.209805][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7229.209805][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7229.209805][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7229.209805][ T7704] ipv6_add_addr+0x411/0x2000 [ 7229.209805][ T7704] inet6_addr_add+0x30e/0xa40 [ 7229.209805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.209805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.209805][ T7704] netlink_rcv_skb+0x130/0x360 [ 7229.209805][ T7704] netlink_unicast+0x449/0x710 [ 7229.209805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7229.209805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7229.209805][ T7704] ___sys_sendmsg+0xee/0x170 [ 7229.209805][ T7704] __sys_sendmsg+0xcd/0x170 [ 7229.209805][ T7704] do_syscall_64+0xc6/0x1e0 [ 7229.209805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.209805][ T7704] [ 7229.212068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7229.212068][ T7704] netdev_get_by_index+0x5e/0x80 [ 7229.212068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7229.212068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7229.212068][ T7704] ip6_route_add+0x1c/0x140 [ 7229.212068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7229.212068][ T7704] addrconf_add_dev+0xe2/0x170 [ 7229.212068][ T7704] inet6_addr_add+0x12f/0xa40 [ 7229.212068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.212068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.212068][ T7704] netlink_rcv_skb+0x130/0x360 [ 7229.212068][ T7704] netlink_unicast+0x449/0x710 [ 7229.212068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7229.212068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7229.212068][ T7704] ___sys_sendmsg+0xee/0x170 [ 7229.212068][ T7704] __sys_sendmsg+0xcd/0x170 [ 7229.212068][ T7704] do_syscall_64+0xc6/0x1e0 [ 7229.212068][ T7704] [ 7229.214303][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7229.214303][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7229.214303][ T7704] ipv6_find_idev+0x102/0x170 [ 7229.214303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.214303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.214303][ T7704] netlink_rcv_skb+0x130/0x360 [ 7229.214303][ T7704] netlink_unicast+0x449/0x710 [ 7229.214303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7229.214303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7229.214303][ T7704] ___sys_sendmsg+0xee/0x170 [ 7229.214303][ T7704] __sys_sendmsg+0xcd/0x170 [ 7229.214303][ T7704] do_syscall_64+0xc6/0x1e0 [ 7229.214303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.214303][ T7704] [ 7229.216084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7229.216084][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7229.216084][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7229.216084][ T7704] ipv6_find_idev+0x102/0x170 [ 7229.216084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.216084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.216084][ T7704] netlink_rcv_skb+0x130/0x360 [ 7229.216084][ T7704] netlink_unicast+0x449/0x710 [ 7229.216084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7229.216084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7229.216084][ T7704] ___sys_sendmsg+0xee/0x170 [ 7229.216084][ T7704] __sys_sendmsg+0xcd/0x170 [ 7229.216084][ T7704] do_syscall_64+0xc6/0x1e0 [ 7229.216084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.216084][ T7704] [ 7239.470945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7239.471475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7239.471475][ T7704] netdev_get_by_index+0x5e/0x80 [ 7239.471475][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7239.471475][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7239.471475][ T7704] ip6_route_add+0x1c/0x140 [ 7239.471475][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7239.471475][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7239.471475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.471475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.471475][ T7704] netlink_rcv_skb+0x130/0x360 [ 7239.471475][ T7704] netlink_unicast+0x449/0x710 [ 7239.471475][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7239.471475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7239.471475][ T7704] ___sys_sendmsg+0xee/0x170 [ 7239.471475][ T7704] __sys_sendmsg+0xcd/0x170 [ 7239.471475][ T7704] do_syscall_64+0xc6/0x1e0 [ 7239.471475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.471475][ T7704] [ 7239.474304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7239.474304][ T7704] netdev_get_by_index+0x5e/0x80 [ 7239.474304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7239.474304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7239.474304][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7239.474304][ T7704] ipv6_add_addr+0x411/0x2000 [ 7239.474304][ T7704] inet6_addr_add+0x30e/0xa40 [ 7239.474304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.474304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.474304][ T7704] netlink_rcv_skb+0x130/0x360 [ 7239.474304][ T7704] netlink_unicast+0x449/0x710 [ 7239.474304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7239.474304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7239.474304][ T7704] ___sys_sendmsg+0xee/0x170 [ 7239.474304][ T7704] __sys_sendmsg+0xcd/0x170 [ 7239.474304][ T7704] do_syscall_64+0xc6/0x1e0 [ 7239.474304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.474304][ T7704] [ 7239.476567][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7239.476567][ T7704] netdev_get_by_index+0x5e/0x80 [ 7239.476567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7239.476567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7239.476567][ T7704] ip6_route_add+0x1c/0x140 [ 7239.476567][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7239.476567][ T7704] addrconf_add_dev+0xe2/0x170 [ 7239.476567][ T7704] inet6_addr_add+0x12f/0xa40 [ 7239.476567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.476567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.476567][ T7704] netlink_rcv_skb+0x130/0x360 [ 7239.476567][ T7704] netlink_unicast+0x449/0x710 [ 7239.476567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7239.476567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7239.476567][ T7704] ___sys_sendmsg+0xee/0x170 [ 7239.476567][ T7704] __sys_sendmsg+0xcd/0x170 [ 7239.476567][ T7704] do_syscall_64+0xc6/0x1e0 [ 7239.476567][ T7704] [ 7239.478771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7239.478771][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7239.478771][ T7704] ipv6_find_idev+0x102/0x170 [ 7239.478771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.478771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.478771][ T7704] netlink_rcv_skb+0x130/0x360 [ 7239.478771][ T7704] netlink_unicast+0x449/0x710 [ 7239.478771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7239.478771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7239.478771][ T7704] ___sys_sendmsg+0xee/0x170 [ 7239.478771][ T7704] __sys_sendmsg+0xcd/0x170 [ 7239.478771][ T7704] do_syscall_64+0xc6/0x1e0 [ 7239.478771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.478771][ T7704] [ 7239.480872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7239.480872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7239.480872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7239.480872][ T7704] ipv6_find_idev+0x102/0x170 [ 7239.480872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.480872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.480872][ T7704] netlink_rcv_skb+0x130/0x360 [ 7239.480872][ T7704] netlink_unicast+0x449/0x710 [ 7239.480872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7239.480872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7239.480872][ T7704] ___sys_sendmsg+0xee/0x170 [ 7239.480872][ T7704] __sys_sendmsg+0xcd/0x170 [ 7239.480872][ T7704] do_syscall_64+0xc6/0x1e0 [ 7239.480872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.480872][ T7704] [ 7249.734977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7249.735527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7249.735527][ T7704] netdev_get_by_index+0x5e/0x80 [ 7249.735527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7249.735527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7249.735527][ T7704] ip6_route_add+0x1c/0x140 [ 7249.735527][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7249.735527][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7249.735527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.735527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.735527][ T7704] netlink_rcv_skb+0x130/0x360 [ 7249.735527][ T7704] netlink_unicast+0x449/0x710 [ 7249.735527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7249.735527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7249.735527][ T7704] ___sys_sendmsg+0xee/0x170 [ 7249.735527][ T7704] __sys_sendmsg+0xcd/0x170 [ 7249.735527][ T7704] do_syscall_64+0xc6/0x1e0 [ 7249.735527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.735527][ T7704] [ 7249.737817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7249.737817][ T7704] netdev_get_by_index+0x5e/0x80 [ 7249.737817][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7249.737817][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7249.737817][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7249.737817][ T7704] ipv6_add_addr+0x411/0x2000 [ 7249.737817][ T7704] inet6_addr_add+0x30e/0xa40 [ 7249.737817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.737817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.737817][ T7704] netlink_rcv_skb+0x130/0x360 [ 7249.737817][ T7704] netlink_unicast+0x449/0x710 [ 7249.737817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7249.737817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7249.737817][ T7704] ___sys_sendmsg+0xee/0x170 [ 7249.737817][ T7704] __sys_sendmsg+0xcd/0x170 [ 7249.737817][ T7704] do_syscall_64+0xc6/0x1e0 [ 7249.737817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.737817][ T7704] [ 7249.740046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7249.740046][ T7704] netdev_get_by_index+0x5e/0x80 [ 7249.740046][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7249.740046][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7249.740046][ T7704] ip6_route_add+0x1c/0x140 [ 7249.740046][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7249.740046][ T7704] addrconf_add_dev+0xe2/0x170 [ 7249.740046][ T7704] inet6_addr_add+0x12f/0xa40 [ 7249.740046][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.740046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.740046][ T7704] netlink_rcv_skb+0x130/0x360 [ 7249.740046][ T7704] netlink_unicast+0x449/0x710 [ 7249.740046][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7249.740046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7249.740046][ T7704] ___sys_sendmsg+0xee/0x170 [ 7249.740046][ T7704] __sys_sendmsg+0xcd/0x170 [ 7249.740046][ T7704] do_syscall_64+0xc6/0x1e0 [ 7249.740046][ T7704] [ 7249.742232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7249.742232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7249.742232][ T7704] ipv6_find_idev+0x102/0x170 [ 7249.742232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.742232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.742232][ T7704] netlink_rcv_skb+0x130/0x360 [ 7249.742232][ T7704] netlink_unicast+0x449/0x710 [ 7249.742232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7249.742232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7249.742232][ T7704] ___sys_sendmsg+0xee/0x170 [ 7249.742232][ T7704] __sys_sendmsg+0xcd/0x170 [ 7249.742232][ T7704] do_syscall_64+0xc6/0x1e0 [ 7249.742232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.742232][ T7704] [ 7249.743959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7249.743959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7249.743959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7249.743959][ T7704] ipv6_find_idev+0x102/0x170 [ 7249.743959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.743959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.743959][ T7704] netlink_rcv_skb+0x130/0x360 [ 7249.743959][ T7704] netlink_unicast+0x449/0x710 [ 7249.743959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7249.743959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7249.743959][ T7704] ___sys_sendmsg+0xee/0x170 [ 7249.743959][ T7704] __sys_sendmsg+0xcd/0x170 [ 7249.743959][ T7704] do_syscall_64+0xc6/0x1e0 [ 7249.743959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.743959][ T7704] [ 7259.950981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7259.951516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7259.951516][ T7704] netdev_get_by_index+0x5e/0x80 [ 7259.951516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7259.951516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7259.951516][ T7704] ip6_route_add+0x1c/0x140 [ 7259.951516][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7259.951516][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7259.951516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.951516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.951516][ T7704] netlink_rcv_skb+0x130/0x360 [ 7259.951516][ T7704] netlink_unicast+0x449/0x710 [ 7259.951516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7259.951516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7259.951516][ T7704] ___sys_sendmsg+0xee/0x170 [ 7259.951516][ T7704] __sys_sendmsg+0xcd/0x170 [ 7259.951516][ T7704] do_syscall_64+0xc6/0x1e0 [ 7259.951516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.951516][ T7704] [ 7259.953808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7259.953808][ T7704] netdev_get_by_index+0x5e/0x80 [ 7259.953808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7259.953808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7259.953808][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7259.953808][ T7704] ipv6_add_addr+0x411/0x2000 [ 7259.953808][ T7704] inet6_addr_add+0x30e/0xa40 [ 7259.953808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.953808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.953808][ T7704] netlink_rcv_skb+0x130/0x360 [ 7259.953808][ T7704] netlink_unicast+0x449/0x710 [ 7259.953808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7259.953808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7259.953808][ T7704] ___sys_sendmsg+0xee/0x170 [ 7259.953808][ T7704] __sys_sendmsg+0xcd/0x170 [ 7259.953808][ T7704] do_syscall_64+0xc6/0x1e0 [ 7259.953808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.953808][ T7704] [ 7259.956069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7259.956069][ T7704] netdev_get_by_index+0x5e/0x80 [ 7259.956069][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7259.956069][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7259.956069][ T7704] ip6_route_add+0x1c/0x140 [ 7259.956069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7259.956069][ T7704] addrconf_add_dev+0xe2/0x170 [ 7259.956069][ T7704] inet6_addr_add+0x12f/0xa40 [ 7259.956069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.956069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.956069][ T7704] netlink_rcv_skb+0x130/0x360 [ 7259.956069][ T7704] netlink_unicast+0x449/0x710 [ 7259.956069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7259.956069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7259.956069][ T7704] ___sys_sendmsg+0xee/0x170 [ 7259.956069][ T7704] __sys_sendmsg+0xcd/0x170 [ 7259.956069][ T7704] do_syscall_64+0xc6/0x1e0 [ 7259.956069][ T7704] [ 7259.958284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7259.958284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7259.958284][ T7704] ipv6_find_idev+0x102/0x170 [ 7259.958284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.958284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.958284][ T7704] netlink_rcv_skb+0x130/0x360 [ 7259.958284][ T7704] netlink_unicast+0x449/0x710 [ 7259.958284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7259.958284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7259.958284][ T7704] ___sys_sendmsg+0xee/0x170 [ 7259.958284][ T7704] __sys_sendmsg+0xcd/0x170 [ 7259.958284][ T7704] do_syscall_64+0xc6/0x1e0 [ 7259.958284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.958284][ T7704] [ 7259.960017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7259.960017][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7259.960017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7259.960017][ T7704] ipv6_find_idev+0x102/0x170 [ 7259.960017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.960017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.960017][ T7704] netlink_rcv_skb+0x130/0x360 [ 7259.960017][ T7704] netlink_unicast+0x449/0x710 [ 7259.960017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7259.960017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7259.960017][ T7704] ___sys_sendmsg+0xee/0x170 [ 7259.960017][ T7704] __sys_sendmsg+0xcd/0x170 [ 7259.960017][ T7704] do_syscall_64+0xc6/0x1e0 [ 7259.960017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.960017][ T7704] [ 7270.199011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7270.199494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7270.199494][ T7704] netdev_get_by_index+0x5e/0x80 [ 7270.199494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7270.199494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7270.199494][ T7704] ip6_route_add+0x1c/0x140 [ 7270.199494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7270.199494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7270.199494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.199494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.199494][ T7704] netlink_rcv_skb+0x130/0x360 [ 7270.199494][ T7704] netlink_unicast+0x449/0x710 [ 7270.199494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7270.199494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7270.199494][ T7704] ___sys_sendmsg+0xee/0x170 [ 7270.199494][ T7704] __sys_sendmsg+0xcd/0x170 [ 7270.199494][ T7704] do_syscall_64+0xc6/0x1e0 [ 7270.199494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.199494][ T7704] [ 7270.201783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7270.201783][ T7704] netdev_get_by_index+0x5e/0x80 [ 7270.201783][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7270.201783][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7270.201783][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7270.201783][ T7704] ipv6_add_addr+0x411/0x2000 [ 7270.201783][ T7704] inet6_addr_add+0x30e/0xa40 [ 7270.201783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.201783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.201783][ T7704] netlink_rcv_skb+0x130/0x360 [ 7270.201783][ T7704] netlink_unicast+0x449/0x710 [ 7270.201783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7270.201783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7270.201783][ T7704] ___sys_sendmsg+0xee/0x170 [ 7270.201783][ T7704] __sys_sendmsg+0xcd/0x170 [ 7270.201783][ T7704] do_syscall_64+0xc6/0x1e0 [ 7270.201783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.201783][ T7704] [ 7270.204059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7270.204059][ T7704] netdev_get_by_index+0x5e/0x80 [ 7270.204059][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7270.204059][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7270.204059][ T7704] ip6_route_add+0x1c/0x140 [ 7270.204059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7270.204059][ T7704] addrconf_add_dev+0xe2/0x170 [ 7270.204059][ T7704] inet6_addr_add+0x12f/0xa40 [ 7270.204059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.204059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.204059][ T7704] netlink_rcv_skb+0x130/0x360 [ 7270.204059][ T7704] netlink_unicast+0x449/0x710 [ 7270.204059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7270.204059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7270.204059][ T7704] ___sys_sendmsg+0xee/0x170 [ 7270.204059][ T7704] __sys_sendmsg+0xcd/0x170 [ 7270.204059][ T7704] do_syscall_64+0xc6/0x1e0 [ 7270.204059][ T7704] [ 7270.206268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7270.206268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7270.206268][ T7704] ipv6_find_idev+0x102/0x170 [ 7270.206268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.206268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.206268][ T7704] netlink_rcv_skb+0x130/0x360 [ 7270.206268][ T7704] netlink_unicast+0x449/0x710 [ 7270.206268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7270.206268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7270.206268][ T7704] ___sys_sendmsg+0xee/0x170 [ 7270.206268][ T7704] __sys_sendmsg+0xcd/0x170 [ 7270.206268][ T7704] do_syscall_64+0xc6/0x1e0 [ 7270.206268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.206268][ T7704] [ 7270.207994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7270.207994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7270.207994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7270.207994][ T7704] ipv6_find_idev+0x102/0x170 [ 7270.207994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.207994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.207994][ T7704] netlink_rcv_skb+0x130/0x360 [ 7270.207994][ T7704] netlink_unicast+0x449/0x710 [ 7270.207994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7270.207994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7270.207994][ T7704] ___sys_sendmsg+0xee/0x170 [ 7270.207994][ T7704] __sys_sendmsg+0xcd/0x170 [ 7270.207994][ T7704] do_syscall_64+0xc6/0x1e0 [ 7270.207994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.207994][ T7704] [ 7280.446957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7280.447499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7280.447499][ T7704] netdev_get_by_index+0x5e/0x80 [ 7280.447499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7280.447499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7280.447499][ T7704] ip6_route_add+0x1c/0x140 [ 7280.447499][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7280.447499][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7280.447499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.447499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.447499][ T7704] netlink_rcv_skb+0x130/0x360 [ 7280.447499][ T7704] netlink_unicast+0x449/0x710 [ 7280.447499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7280.447499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7280.447499][ T7704] ___sys_sendmsg+0xee/0x170 [ 7280.447499][ T7704] __sys_sendmsg+0xcd/0x170 [ 7280.447499][ T7704] do_syscall_64+0xc6/0x1e0 [ 7280.447499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.447499][ T7704] [ 7280.449778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7280.449778][ T7704] netdev_get_by_index+0x5e/0x80 [ 7280.449778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7280.449778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7280.449778][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7280.449778][ T7704] ipv6_add_addr+0x411/0x2000 [ 7280.449778][ T7704] inet6_addr_add+0x30e/0xa40 [ 7280.449778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.449778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.449778][ T7704] netlink_rcv_skb+0x130/0x360 [ 7280.449778][ T7704] netlink_unicast+0x449/0x710 [ 7280.449778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7280.449778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7280.449778][ T7704] ___sys_sendmsg+0xee/0x170 [ 7280.449778][ T7704] __sys_sendmsg+0xcd/0x170 [ 7280.449778][ T7704] do_syscall_64+0xc6/0x1e0 [ 7280.449778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.449778][ T7704] [ 7280.452036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7280.452036][ T7704] netdev_get_by_index+0x5e/0x80 [ 7280.452036][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7280.452036][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7280.452036][ T7704] ip6_route_add+0x1c/0x140 [ 7280.452036][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7280.452036][ T7704] addrconf_add_dev+0xe2/0x170 [ 7280.452036][ T7704] inet6_addr_add+0x12f/0xa40 [ 7280.452036][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.452036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.452036][ T7704] netlink_rcv_skb+0x130/0x360 [ 7280.452036][ T7704] netlink_unicast+0x449/0x710 [ 7280.452036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7280.452036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7280.452036][ T7704] ___sys_sendmsg+0xee/0x170 [ 7280.452036][ T7704] __sys_sendmsg+0xcd/0x170 [ 7280.452036][ T7704] do_syscall_64+0xc6/0x1e0 [ 7280.452036][ T7704] [ 7280.454258][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7280.454258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7280.454258][ T7704] ipv6_find_idev+0x102/0x170 [ 7280.454258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.454258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.454258][ T7704] netlink_rcv_skb+0x130/0x360 [ 7280.454258][ T7704] netlink_unicast+0x449/0x710 [ 7280.454258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7280.454258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7280.454258][ T7704] ___sys_sendmsg+0xee/0x170 [ 7280.454258][ T7704] __sys_sendmsg+0xcd/0x170 [ 7280.454258][ T7704] do_syscall_64+0xc6/0x1e0 [ 7280.454258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.454258][ T7704] [ 7280.456007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7280.456007][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7280.456007][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7280.456007][ T7704] ipv6_find_idev+0x102/0x170 [ 7280.456007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.456007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.456007][ T7704] netlink_rcv_skb+0x130/0x360 [ 7280.456007][ T7704] netlink_unicast+0x449/0x710 [ 7280.456007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7280.456007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7280.456007][ T7704] ___sys_sendmsg+0xee/0x170 [ 7280.456007][ T7704] __sys_sendmsg+0xcd/0x170 [ 7280.456007][ T7704] do_syscall_64+0xc6/0x1e0 [ 7280.456007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.456007][ T7704] [ 7290.694998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7290.695552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7290.695552][ T7704] netdev_get_by_index+0x5e/0x80 [ 7290.695552][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7290.695552][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7290.695552][ T7704] ip6_route_add+0x1c/0x140 [ 7290.695552][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7290.695552][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7290.695552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.695552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.695552][ T7704] netlink_rcv_skb+0x130/0x360 [ 7290.695552][ T7704] netlink_unicast+0x449/0x710 [ 7290.695552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7290.695552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7290.695552][ T7704] ___sys_sendmsg+0xee/0x170 [ 7290.695552][ T7704] __sys_sendmsg+0xcd/0x170 [ 7290.695552][ T7704] do_syscall_64+0xc6/0x1e0 [ 7290.695552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.695552][ T7704] [ 7290.697831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7290.697831][ T7704] netdev_get_by_index+0x5e/0x80 [ 7290.697831][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7290.697831][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7290.697831][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7290.697831][ T7704] ipv6_add_addr+0x411/0x2000 [ 7290.697831][ T7704] inet6_addr_add+0x30e/0xa40 [ 7290.697831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.697831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.697831][ T7704] netlink_rcv_skb+0x130/0x360 [ 7290.697831][ T7704] netlink_unicast+0x449/0x710 [ 7290.697831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7290.697831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7290.697831][ T7704] ___sys_sendmsg+0xee/0x170 [ 7290.697831][ T7704] __sys_sendmsg+0xcd/0x170 [ 7290.697831][ T7704] do_syscall_64+0xc6/0x1e0 [ 7290.697831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.697831][ T7704] [ 7290.700087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7290.700087][ T7704] netdev_get_by_index+0x5e/0x80 [ 7290.700087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7290.700087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7290.700087][ T7704] ip6_route_add+0x1c/0x140 [ 7290.700087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7290.700087][ T7704] addrconf_add_dev+0xe2/0x170 [ 7290.700087][ T7704] inet6_addr_add+0x12f/0xa40 [ 7290.700087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.700087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.700087][ T7704] netlink_rcv_skb+0x130/0x360 [ 7290.700087][ T7704] netlink_unicast+0x449/0x710 [ 7290.700087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7290.700087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7290.700087][ T7704] ___sys_sendmsg+0xee/0x170 [ 7290.700087][ T7704] __sys_sendmsg+0xcd/0x170 [ 7290.700087][ T7704] do_syscall_64+0xc6/0x1e0 [ 7290.700087][ T7704] [ 7290.702302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7290.702302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7290.702302][ T7704] ipv6_find_idev+0x102/0x170 [ 7290.702302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.702302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.702302][ T7704] netlink_rcv_skb+0x130/0x360 [ 7290.702302][ T7704] netlink_unicast+0x449/0x710 [ 7290.702302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7290.702302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7290.702302][ T7704] ___sys_sendmsg+0xee/0x170 [ 7290.702302][ T7704] __sys_sendmsg+0xcd/0x170 [ 7290.702302][ T7704] do_syscall_64+0xc6/0x1e0 [ 7290.702302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.702302][ T7704] [ 7290.704049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7290.704049][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7290.704049][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7290.704049][ T7704] ipv6_find_idev+0x102/0x170 [ 7290.704049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.704049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.704049][ T7704] netlink_rcv_skb+0x130/0x360 [ 7290.704049][ T7704] netlink_unicast+0x449/0x710 [ 7290.704049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7290.704049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7290.704049][ T7704] ___sys_sendmsg+0xee/0x170 [ 7290.704049][ T7704] __sys_sendmsg+0xcd/0x170 [ 7290.704049][ T7704] do_syscall_64+0xc6/0x1e0 [ 7290.704049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.704049][ T7704] [ 7300.942981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7300.943524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7300.943524][ T7704] netdev_get_by_index+0x5e/0x80 [ 7300.943524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7300.943524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7300.943524][ T7704] ip6_route_add+0x1c/0x140 [ 7300.943524][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7300.943524][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7300.943524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7300.943524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7300.943524][ T7704] netlink_rcv_skb+0x130/0x360 [ 7300.943524][ T7704] netlink_unicast+0x449/0x710 [ 7300.943524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7300.943524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7300.943524][ T7704] ___sys_sendmsg+0xee/0x170 [ 7300.943524][ T7704] __sys_sendmsg+0xcd/0x170 [ 7300.943524][ T7704] do_syscall_64+0xc6/0x1e0 [ 7300.943524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7300.943524][ T7704] [ 7300.945818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7300.945818][ T7704] netdev_get_by_index+0x5e/0x80 [ 7300.945818][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7300.945818][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7300.945818][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7300.945818][ T7704] ipv6_add_addr+0x411/0x2000 [ 7300.945818][ T7704] inet6_addr_add+0x30e/0xa40 [ 7300.945818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7300.945818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7300.945818][ T7704] netlink_rcv_skb+0x130/0x360 [ 7300.945818][ T7704] netlink_unicast+0x449/0x710 [ 7300.945818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7300.945818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7300.945818][ T7704] ___sys_sendmsg+0xee/0x170 [ 7300.945818][ T7704] __sys_sendmsg+0xcd/0x170 [ 7300.945818][ T7704] do_syscall_64+0xc6/0x1e0 [ 7300.945818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7300.945818][ T7704] [ 7300.948075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7300.948075][ T7704] netdev_get_by_index+0x5e/0x80 [ 7300.948075][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7300.948075][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7300.948075][ T7704] ip6_route_add+0x1c/0x140 [ 7300.948075][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7300.948075][ T7704] addrconf_add_dev+0xe2/0x170 [ 7300.948075][ T7704] inet6_addr_add+0x12f/0xa40 [ 7300.948075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7300.948075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7300.948075][ T7704] netlink_rcv_skb+0x130/0x360 [ 7300.948075][ T7704] netlink_unicast+0x449/0x710 [ 7300.948075][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7300.948075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7300.948075][ T7704] ___sys_sendmsg+0xee/0x170 [ 7300.948075][ T7704] __sys_sendmsg+0xcd/0x170 [ 7300.948075][ T7704] do_syscall_64+0xc6/0x1e0 [ 7300.948075][ T7704] [ 7300.950289][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7300.950289][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7300.950289][ T7704] ipv6_find_idev+0x102/0x170 [ 7300.950289][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7300.950289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7300.950289][ T7704] netlink_rcv_skb+0x130/0x360 [ 7300.950289][ T7704] netlink_unicast+0x449/0x710 [ 7300.950289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7300.950289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7300.950289][ T7704] ___sys_sendmsg+0xee/0x170 [ 7300.950289][ T7704] __sys_sendmsg+0xcd/0x170 [ 7300.950289][ T7704] do_syscall_64+0xc6/0x1e0 [ 7300.950289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7300.950289][ T7704] [ 7300.952037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7300.952037][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7300.952037][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7300.952037][ T7704] ipv6_find_idev+0x102/0x170 [ 7300.952037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7300.952037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7300.952037][ T7704] netlink_rcv_skb+0x130/0x360 [ 7300.952037][ T7704] netlink_unicast+0x449/0x710 [ 7300.952037][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7300.952037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7300.952037][ T7704] ___sys_sendmsg+0xee/0x170 [ 7300.952037][ T7704] __sys_sendmsg+0xcd/0x170 [ 7300.952037][ T7704] do_syscall_64+0xc6/0x1e0 [ 7300.952037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7300.952037][ T7704] [ 7311.119006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7311.119465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7311.119465][ T7704] netdev_get_by_index+0x5e/0x80 [ 7311.119465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7311.119465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7311.119465][ T7704] ip6_route_add+0x1c/0x140 [ 7311.119465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7311.119465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7311.119465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.119465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.119465][ T7704] netlink_rcv_skb+0x130/0x360 [ 7311.119465][ T7704] netlink_unicast+0x449/0x710 [ 7311.119465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7311.119465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7311.119465][ T7704] ___sys_sendmsg+0xee/0x170 [ 7311.119465][ T7704] __sys_sendmsg+0xcd/0x170 [ 7311.119465][ T7704] do_syscall_64+0xc6/0x1e0 [ 7311.119465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.119465][ T7704] [ 7311.121751][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7311.121751][ T7704] netdev_get_by_index+0x5e/0x80 [ 7311.121751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7311.121751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7311.121751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7311.121751][ T7704] ipv6_add_addr+0x411/0x2000 [ 7311.121751][ T7704] inet6_addr_add+0x30e/0xa40 [ 7311.121751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.121751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.121751][ T7704] netlink_rcv_skb+0x130/0x360 [ 7311.121751][ T7704] netlink_unicast+0x449/0x710 [ 7311.121751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7311.121751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7311.121751][ T7704] ___sys_sendmsg+0xee/0x170 [ 7311.121751][ T7704] __sys_sendmsg+0xcd/0x170 [ 7311.121751][ T7704] do_syscall_64+0xc6/0x1e0 [ 7311.121751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.121751][ T7704] [ 7311.123969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7311.123969][ T7704] netdev_get_by_index+0x5e/0x80 [ 7311.123969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7311.123969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7311.123969][ T7704] ip6_route_add+0x1c/0x140 [ 7311.123969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7311.123969][ T7704] addrconf_add_dev+0xe2/0x170 [ 7311.123969][ T7704] inet6_addr_add+0x12f/0xa40 [ 7311.123969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.123969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.123969][ T7704] netlink_rcv_skb+0x130/0x360 [ 7311.123969][ T7704] netlink_unicast+0x449/0x710 [ 7311.123969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7311.123969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7311.123969][ T7704] ___sys_sendmsg+0xee/0x170 [ 7311.123969][ T7704] __sys_sendmsg+0xcd/0x170 [ 7311.123969][ T7704] do_syscall_64+0xc6/0x1e0 [ 7311.123969][ T7704] [ 7311.126160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7311.126160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7311.126160][ T7704] ipv6_find_idev+0x102/0x170 [ 7311.126160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.126160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.126160][ T7704] netlink_rcv_skb+0x130/0x360 [ 7311.126160][ T7704] netlink_unicast+0x449/0x710 [ 7311.126160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7311.126160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7311.126160][ T7704] ___sys_sendmsg+0xee/0x170 [ 7311.126160][ T7704] __sys_sendmsg+0xcd/0x170 [ 7311.126160][ T7704] do_syscall_64+0xc6/0x1e0 [ 7311.126160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.126160][ T7704] [ 7311.127972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7311.127972][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7311.127972][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7311.127972][ T7704] ipv6_find_idev+0x102/0x170 [ 7311.127972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.127972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.127972][ T7704] netlink_rcv_skb+0x130/0x360 [ 7311.127972][ T7704] netlink_unicast+0x449/0x710 [ 7311.127972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7311.127972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7311.127972][ T7704] ___sys_sendmsg+0xee/0x170 [ 7311.127972][ T7704] __sys_sendmsg+0xcd/0x170 [ 7311.127972][ T7704] do_syscall_64+0xc6/0x1e0 [ 7311.127972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.127972][ T7704] [ 7321.262963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7321.263452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7321.263452][ T7704] netdev_get_by_index+0x5e/0x80 [ 7321.263452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7321.263452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7321.263452][ T7704] ip6_route_add+0x1c/0x140 [ 7321.263452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7321.263452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7321.263452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.263452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.263452][ T7704] netlink_rcv_skb+0x130/0x360 [ 7321.263452][ T7704] netlink_unicast+0x449/0x710 [ 7321.263452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7321.263452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7321.263452][ T7704] ___sys_sendmsg+0xee/0x170 [ 7321.263452][ T7704] __sys_sendmsg+0xcd/0x170 [ 7321.263452][ T7704] do_syscall_64+0xc6/0x1e0 [ 7321.263452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.263452][ T7704] [ 7321.265751][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7321.265751][ T7704] netdev_get_by_index+0x5e/0x80 [ 7321.265751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7321.265751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7321.265751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7321.265751][ T7704] ipv6_add_addr+0x411/0x2000 [ 7321.265751][ T7704] inet6_addr_add+0x30e/0xa40 [ 7321.265751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.265751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.265751][ T7704] netlink_rcv_skb+0x130/0x360 [ 7321.265751][ T7704] netlink_unicast+0x449/0x710 [ 7321.265751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7321.265751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7321.265751][ T7704] ___sys_sendmsg+0xee/0x170 [ 7321.265751][ T7704] __sys_sendmsg+0xcd/0x170 [ 7321.265751][ T7704] do_syscall_64+0xc6/0x1e0 [ 7321.265751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.265751][ T7704] [ 7321.268012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7321.268012][ T7704] netdev_get_by_index+0x5e/0x80 [ 7321.268012][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7321.268012][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7321.268012][ T7704] ip6_route_add+0x1c/0x140 [ 7321.268012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7321.268012][ T7704] addrconf_add_dev+0xe2/0x170 [ 7321.268012][ T7704] inet6_addr_add+0x12f/0xa40 [ 7321.268012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.268012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.268012][ T7704] netlink_rcv_skb+0x130/0x360 [ 7321.268012][ T7704] netlink_unicast+0x449/0x710 [ 7321.268012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7321.268012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7321.268012][ T7704] ___sys_sendmsg+0xee/0x170 [ 7321.268012][ T7704] __sys_sendmsg+0xcd/0x170 [ 7321.268012][ T7704] do_syscall_64+0xc6/0x1e0 [ 7321.268012][ T7704] [ 7321.270224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7321.270224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7321.270224][ T7704] ipv6_find_idev+0x102/0x170 [ 7321.270224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.270224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.270224][ T7704] netlink_rcv_skb+0x130/0x360 [ 7321.270224][ T7704] netlink_unicast+0x449/0x710 [ 7321.270224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7321.270224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7321.270224][ T7704] ___sys_sendmsg+0xee/0x170 [ 7321.270224][ T7704] __sys_sendmsg+0xcd/0x170 [ 7321.270224][ T7704] do_syscall_64+0xc6/0x1e0 [ 7321.270224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.270224][ T7704] [ 7321.271986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7321.271986][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7321.271986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7321.271986][ T7704] ipv6_find_idev+0x102/0x170 [ 7321.271986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.271986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.271986][ T7704] netlink_rcv_skb+0x130/0x360 [ 7321.271986][ T7704] netlink_unicast+0x449/0x710 [ 7321.271986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7321.271986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7321.271986][ T7704] ___sys_sendmsg+0xee/0x170 [ 7321.271986][ T7704] __sys_sendmsg+0xcd/0x170 [ 7321.271986][ T7704] do_syscall_64+0xc6/0x1e0 [ 7321.271986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.271986][ T7704] [ 7331.510969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7331.511441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7331.511441][ T7704] netdev_get_by_index+0x5e/0x80 [ 7331.511441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7331.511441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7331.511441][ T7704] ip6_route_add+0x1c/0x140 [ 7331.511441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7331.511441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7331.511441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.511441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.511441][ T7704] netlink_rcv_skb+0x130/0x360 [ 7331.511441][ T7704] netlink_unicast+0x449/0x710 [ 7331.511441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7331.511441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7331.511441][ T7704] ___sys_sendmsg+0xee/0x170 [ 7331.511441][ T7704] __sys_sendmsg+0xcd/0x170 [ 7331.511441][ T7704] do_syscall_64+0xc6/0x1e0 [ 7331.511441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.511441][ T7704] [ 7331.513729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7331.513729][ T7704] netdev_get_by_index+0x5e/0x80 [ 7331.513729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7331.513729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7331.513729][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7331.513729][ T7704] ipv6_add_addr+0x411/0x2000 [ 7331.513729][ T7704] inet6_addr_add+0x30e/0xa40 [ 7331.513729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.513729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.513729][ T7704] netlink_rcv_skb+0x130/0x360 [ 7331.513729][ T7704] netlink_unicast+0x449/0x710 [ 7331.513729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7331.513729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7331.513729][ T7704] ___sys_sendmsg+0xee/0x170 [ 7331.513729][ T7704] __sys_sendmsg+0xcd/0x170 [ 7331.513729][ T7704] do_syscall_64+0xc6/0x1e0 [ 7331.513729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.513729][ T7704] [ 7331.515982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7331.515982][ T7704] netdev_get_by_index+0x5e/0x80 [ 7331.515982][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7331.515982][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7331.515982][ T7704] ip6_route_add+0x1c/0x140 [ 7331.515982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7331.515982][ T7704] addrconf_add_dev+0xe2/0x170 [ 7331.515982][ T7704] inet6_addr_add+0x12f/0xa40 [ 7331.515982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.515982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.515982][ T7704] netlink_rcv_skb+0x130/0x360 [ 7331.515982][ T7704] netlink_unicast+0x449/0x710 [ 7331.515982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7331.515982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7331.515982][ T7704] ___sys_sendmsg+0xee/0x170 [ 7331.515982][ T7704] __sys_sendmsg+0xcd/0x170 [ 7331.515982][ T7704] do_syscall_64+0xc6/0x1e0 [ 7331.515982][ T7704] [ 7331.518198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7331.518198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7331.518198][ T7704] ipv6_find_idev+0x102/0x170 [ 7331.518198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.518198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.518198][ T7704] netlink_rcv_skb+0x130/0x360 [ 7331.518198][ T7704] netlink_unicast+0x449/0x710 [ 7331.518198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7331.518198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7331.518198][ T7704] ___sys_sendmsg+0xee/0x170 [ 7331.518198][ T7704] __sys_sendmsg+0xcd/0x170 [ 7331.518198][ T7704] do_syscall_64+0xc6/0x1e0 [ 7331.518198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.518198][ T7704] [ 7331.519931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7331.519931][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7331.519931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7331.519931][ T7704] ipv6_find_idev+0x102/0x170 [ 7331.519931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.519931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.519931][ T7704] netlink_rcv_skb+0x130/0x360 [ 7331.519931][ T7704] netlink_unicast+0x449/0x710 [ 7331.519931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7331.519931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7331.519931][ T7704] ___sys_sendmsg+0xee/0x170 [ 7331.519931][ T7704] __sys_sendmsg+0xcd/0x170 [ 7331.519931][ T7704] do_syscall_64+0xc6/0x1e0 [ 7331.519931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.519931][ T7704] [ 7341.758958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7341.759506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7341.759506][ T7704] netdev_get_by_index+0x5e/0x80 [ 7341.759506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7341.759506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7341.759506][ T7704] ip6_route_add+0x1c/0x140 [ 7341.759506][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7341.759506][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7341.759506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7341.759506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7341.759506][ T7704] netlink_rcv_skb+0x130/0x360 [ 7341.759506][ T7704] netlink_unicast+0x449/0x710 [ 7341.759506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7341.759506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7341.759506][ T7704] ___sys_sendmsg+0xee/0x170 [ 7341.759506][ T7704] __sys_sendmsg+0xcd/0x170 [ 7341.759506][ T7704] do_syscall_64+0xc6/0x1e0 [ 7341.759506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7341.759506][ T7704] [ 7341.761775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7341.761775][ T7704] netdev_get_by_index+0x5e/0x80 [ 7341.761775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7341.761775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7341.761775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7341.761775][ T7704] ipv6_add_addr+0x411/0x2000 [ 7341.761775][ T7704] inet6_addr_add+0x30e/0xa40 [ 7341.761775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7341.761775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7341.761775][ T7704] netlink_rcv_skb+0x130/0x360 [ 7341.761775][ T7704] netlink_unicast+0x449/0x710 [ 7341.761775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7341.761775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7341.761775][ T7704] ___sys_sendmsg+0xee/0x170 [ 7341.761775][ T7704] __sys_sendmsg+0xcd/0x170 [ 7341.761775][ T7704] do_syscall_64+0xc6/0x1e0 [ 7341.761775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7341.761775][ T7704] [ 7341.764030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7341.764030][ T7704] netdev_get_by_index+0x5e/0x80 [ 7341.764030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7341.764030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7341.764030][ T7704] ip6_route_add+0x1c/0x140 [ 7341.764030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7341.764030][ T7704] addrconf_add_dev+0xe2/0x170 [ 7341.764030][ T7704] inet6_addr_add+0x12f/0xa40 [ 7341.764030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7341.764030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7341.764030][ T7704] netlink_rcv_skb+0x130/0x360 [ 7341.764030][ T7704] netlink_unicast+0x449/0x710 [ 7341.764030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7341.764030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7341.764030][ T7704] ___sys_sendmsg+0xee/0x170 [ 7341.764030][ T7704] __sys_sendmsg+0xcd/0x170 [ 7341.764030][ T7704] do_syscall_64+0xc6/0x1e0 [ 7341.764030][ T7704] [ 7341.766270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7341.766270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7341.766270][ T7704] ipv6_find_idev+0x102/0x170 [ 7341.766270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7341.766270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7341.766270][ T7704] netlink_rcv_skb+0x130/0x360 [ 7341.766270][ T7704] netlink_unicast+0x449/0x710 [ 7341.766270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7341.766270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7341.766270][ T7704] ___sys_sendmsg+0xee/0x170 [ 7341.766270][ T7704] __sys_sendmsg+0xcd/0x170 [ 7341.766270][ T7704] do_syscall_64+0xc6/0x1e0 [ 7341.766270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7341.766270][ T7704] [ 7341.768004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7341.768004][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7341.768004][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7341.768004][ T7704] ipv6_find_idev+0x102/0x170 [ 7341.768004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7341.768004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7341.768004][ T7704] netlink_rcv_skb+0x130/0x360 [ 7341.768004][ T7704] netlink_unicast+0x449/0x710 [ 7341.768004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7341.768004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7341.768004][ T7704] ___sys_sendmsg+0xee/0x170 [ 7341.768004][ T7704] __sys_sendmsg+0xcd/0x170 [ 7341.768004][ T7704] do_syscall_64+0xc6/0x1e0 [ 7341.768004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7341.768004][ T7704] [ 7351.806952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7351.807490][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7351.807490][ T7704] netdev_get_by_index+0x5e/0x80 [ 7351.807490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7351.807490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7351.807490][ T7704] ip6_route_add+0x1c/0x140 [ 7351.807490][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7351.807490][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7351.807490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7351.807490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7351.807490][ T7704] netlink_rcv_skb+0x130/0x360 [ 7351.807490][ T7704] netlink_unicast+0x449/0x710 [ 7351.807490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7351.807490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7351.807490][ T7704] ___sys_sendmsg+0xee/0x170 [ 7351.807490][ T7704] __sys_sendmsg+0xcd/0x170 [ 7351.807490][ T7704] do_syscall_64+0xc6/0x1e0 [ 7351.807490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7351.807490][ T7704] [ 7351.809766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7351.809766][ T7704] netdev_get_by_index+0x5e/0x80 [ 7351.809766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7351.809766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7351.809766][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7351.809766][ T7704] ipv6_add_addr+0x411/0x2000 [ 7351.809766][ T7704] inet6_addr_add+0x30e/0xa40 [ 7351.809766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7351.809766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7351.809766][ T7704] netlink_rcv_skb+0x130/0x360 [ 7351.809766][ T7704] netlink_unicast+0x449/0x710 [ 7351.809766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7351.809766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7351.809766][ T7704] ___sys_sendmsg+0xee/0x170 [ 7351.809766][ T7704] __sys_sendmsg+0xcd/0x170 [ 7351.809766][ T7704] do_syscall_64+0xc6/0x1e0 [ 7351.809766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7351.809766][ T7704] [ 7351.812026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7351.812026][ T7704] netdev_get_by_index+0x5e/0x80 [ 7351.812026][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7351.812026][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7351.812026][ T7704] ip6_route_add+0x1c/0x140 [ 7351.812026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7351.812026][ T7704] addrconf_add_dev+0xe2/0x170 [ 7351.812026][ T7704] inet6_addr_add+0x12f/0xa40 [ 7351.812026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7351.812026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7351.812026][ T7704] netlink_rcv_skb+0x130/0x360 [ 7351.812026][ T7704] netlink_unicast+0x449/0x710 [ 7351.812026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7351.812026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7351.812026][ T7704] ___sys_sendmsg+0xee/0x170 [ 7351.812026][ T7704] __sys_sendmsg+0xcd/0x170 [ 7351.812026][ T7704] do_syscall_64+0xc6/0x1e0 [ 7351.812026][ T7704] [ 7351.814238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7351.814238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7351.814238][ T7704] ipv6_find_idev+0x102/0x170 [ 7351.814238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7351.814238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7351.814238][ T7704] netlink_rcv_skb+0x130/0x360 [ 7351.814238][ T7704] netlink_unicast+0x449/0x710 [ 7351.814238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7351.814238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7351.814238][ T7704] ___sys_sendmsg+0xee/0x170 [ 7351.814238][ T7704] __sys_sendmsg+0xcd/0x170 [ 7351.814238][ T7704] do_syscall_64+0xc6/0x1e0 [ 7351.814238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7351.814238][ T7704] [ 7351.815999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7351.815999][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7351.815999][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7351.815999][ T7704] ipv6_find_idev+0x102/0x170 [ 7351.815999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7351.815999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7351.815999][ T7704] netlink_rcv_skb+0x130/0x360 [ 7351.815999][ T7704] netlink_unicast+0x449/0x710 [ 7351.815999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7351.815999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7351.815999][ T7704] ___sys_sendmsg+0xee/0x170 [ 7351.815999][ T7704] __sys_sendmsg+0xcd/0x170 [ 7351.815999][ T7704] do_syscall_64+0xc6/0x1e0 [ 7351.815999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7351.815999][ T7704] [ 7362.054926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7362.055571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7362.055571][ T7704] netdev_get_by_index+0x5e/0x80 [ 7362.055571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7362.055571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7362.055571][ T7704] ip6_route_add+0x1c/0x140 [ 7362.055571][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7362.055571][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7362.055571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.055571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.055571][ T7704] netlink_rcv_skb+0x130/0x360 [ 7362.055571][ T7704] netlink_unicast+0x449/0x710 [ 7362.055571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7362.055571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7362.055571][ T7704] ___sys_sendmsg+0xee/0x170 [ 7362.055571][ T7704] __sys_sendmsg+0xcd/0x170 [ 7362.055571][ T7704] do_syscall_64+0xc6/0x1e0 [ 7362.055571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.055571][ T7704] [ 7362.059049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7362.059049][ T7704] netdev_get_by_index+0x5e/0x80 [ 7362.059049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7362.059049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7362.059049][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7362.059049][ T7704] ipv6_add_addr+0x411/0x2000 [ 7362.059049][ T7704] inet6_addr_add+0x30e/0xa40 [ 7362.059049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.059049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.059049][ T7704] netlink_rcv_skb+0x130/0x360 [ 7362.059049][ T7704] netlink_unicast+0x449/0x710 [ 7362.059049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7362.059049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7362.059049][ T7704] ___sys_sendmsg+0xee/0x170 [ 7362.059049][ T7704] __sys_sendmsg+0xcd/0x170 [ 7362.059049][ T7704] do_syscall_64+0xc6/0x1e0 [ 7362.059049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.059049][ T7704] [ 7362.063749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7362.063749][ T7704] netdev_get_by_index+0x5e/0x80 [ 7362.063749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7362.063749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7362.063749][ T7704] ip6_route_add+0x1c/0x140 [ 7362.063749][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7362.063749][ T7704] addrconf_add_dev+0xe2/0x170 [ 7362.063749][ T7704] inet6_addr_add+0x12f/0xa40 [ 7362.063749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.063749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.063749][ T7704] netlink_rcv_skb+0x130/0x360 [ 7362.063749][ T7704] netlink_unicast+0x449/0x710 [ 7362.063749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7362.063749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7362.063749][ T7704] ___sys_sendmsg+0xee/0x170 [ 7362.063749][ T7704] __sys_sendmsg+0xcd/0x170 [ 7362.063749][ T7704] do_syscall_64+0xc6/0x1e0 [ 7362.063749][ T7704] [ 7362.067378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7362.067378][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7362.067378][ T7704] ipv6_find_idev+0x102/0x170 [ 7362.067378][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.067378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.067378][ T7704] netlink_rcv_skb+0x130/0x360 [ 7362.067378][ T7704] netlink_unicast+0x449/0x710 [ 7362.067378][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7362.067378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7362.067378][ T7704] ___sys_sendmsg+0xee/0x170 [ 7362.067378][ T7704] __sys_sendmsg+0xcd/0x170 [ 7362.067378][ T7704] do_syscall_64+0xc6/0x1e0 [ 7362.067378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.067378][ T7704] [ 7362.070063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7362.070063][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7362.070063][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7362.070063][ T7704] ipv6_find_idev+0x102/0x170 [ 7362.070063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.070063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.070063][ T7704] netlink_rcv_skb+0x130/0x360 [ 7362.070063][ T7704] netlink_unicast+0x449/0x710 [ 7362.070063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7362.070063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7362.070063][ T7704] ___sys_sendmsg+0xee/0x170 [ 7362.070063][ T7704] __sys_sendmsg+0xcd/0x170 [ 7362.070063][ T7704] do_syscall_64+0xc6/0x1e0 [ 7362.070063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.070063][ T7704] [ 7372.198954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7372.199398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7372.199398][ T7704] netdev_get_by_index+0x5e/0x80 [ 7372.199398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7372.199398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7372.199398][ T7704] ip6_route_add+0x1c/0x140 [ 7372.199398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7372.199398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7372.199398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.199398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.199398][ T7704] netlink_rcv_skb+0x130/0x360 [ 7372.199398][ T7704] netlink_unicast+0x449/0x710 [ 7372.199398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7372.199398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7372.199398][ T7704] ___sys_sendmsg+0xee/0x170 [ 7372.199398][ T7704] __sys_sendmsg+0xcd/0x170 [ 7372.199398][ T7704] do_syscall_64+0xc6/0x1e0 [ 7372.199398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.199398][ T7704] [ 7372.202047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7372.202047][ T7704] netdev_get_by_index+0x5e/0x80 [ 7372.202047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7372.202047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7372.202047][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7372.202047][ T7704] ipv6_add_addr+0x411/0x2000 [ 7372.202047][ T7704] inet6_addr_add+0x30e/0xa40 [ 7372.202047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.202047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.202047][ T7704] netlink_rcv_skb+0x130/0x360 [ 7372.202047][ T7704] netlink_unicast+0x449/0x710 [ 7372.202047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7372.202047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7372.202047][ T7704] ___sys_sendmsg+0xee/0x170 [ 7372.202047][ T7704] __sys_sendmsg+0xcd/0x170 [ 7372.202047][ T7704] do_syscall_64+0xc6/0x1e0 [ 7372.202047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.202047][ T7704] [ 7372.204268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7372.204268][ T7704] netdev_get_by_index+0x5e/0x80 [ 7372.204268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7372.204268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7372.204268][ T7704] ip6_route_add+0x1c/0x140 [ 7372.204268][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7372.204268][ T7704] addrconf_add_dev+0xe2/0x170 [ 7372.204268][ T7704] inet6_addr_add+0x12f/0xa40 [ 7372.204268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.204268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.204268][ T7704] netlink_rcv_skb+0x130/0x360 [ 7372.204268][ T7704] netlink_unicast+0x449/0x710 [ 7372.204268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7372.204268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7372.204268][ T7704] ___sys_sendmsg+0xee/0x170 [ 7372.204268][ T7704] __sys_sendmsg+0xcd/0x170 [ 7372.204268][ T7704] do_syscall_64+0xc6/0x1e0 [ 7372.204268][ T7704] [ 7372.206457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7372.206457][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7372.206457][ T7704] ipv6_find_idev+0x102/0x170 [ 7372.206457][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.206457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.206457][ T7704] netlink_rcv_skb+0x130/0x360 [ 7372.206457][ T7704] netlink_unicast+0x449/0x710 [ 7372.206457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7372.206457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7372.206457][ T7704] ___sys_sendmsg+0xee/0x170 [ 7372.206457][ T7704] __sys_sendmsg+0xcd/0x170 [ 7372.206457][ T7704] do_syscall_64+0xc6/0x1e0 [ 7372.206457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.206457][ T7704] [ 7372.208162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7372.208162][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7372.208162][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7372.208162][ T7704] ipv6_find_idev+0x102/0x170 [ 7372.208162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.208162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.208162][ T7704] netlink_rcv_skb+0x130/0x360 [ 7372.208162][ T7704] netlink_unicast+0x449/0x710 [ 7372.208162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7372.208162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7372.208162][ T7704] ___sys_sendmsg+0xee/0x170 [ 7372.208162][ T7704] __sys_sendmsg+0xcd/0x170 [ 7372.208162][ T7704] do_syscall_64+0xc6/0x1e0 [ 7372.208162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.208162][ T7704] [ 7382.446951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7382.447390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7382.447390][ T7704] netdev_get_by_index+0x5e/0x80 [ 7382.447390][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7382.447390][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7382.447390][ T7704] ip6_route_add+0x1c/0x140 [ 7382.447390][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7382.447390][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7382.447390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.447390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.447390][ T7704] netlink_rcv_skb+0x130/0x360 [ 7382.447390][ T7704] netlink_unicast+0x449/0x710 [ 7382.447390][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7382.447390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7382.447390][ T7704] ___sys_sendmsg+0xee/0x170 [ 7382.447390][ T7704] __sys_sendmsg+0xcd/0x170 [ 7382.447390][ T7704] do_syscall_64+0xc6/0x1e0 [ 7382.447390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.447390][ T7704] [ 7382.449649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7382.449649][ T7704] netdev_get_by_index+0x5e/0x80 [ 7382.449649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7382.449649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7382.449649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7382.449649][ T7704] ipv6_add_addr+0x411/0x2000 [ 7382.449649][ T7704] inet6_addr_add+0x30e/0xa40 [ 7382.449649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.449649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.449649][ T7704] netlink_rcv_skb+0x130/0x360 [ 7382.449649][ T7704] netlink_unicast+0x449/0x710 [ 7382.449649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7382.449649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7382.449649][ T7704] ___sys_sendmsg+0xee/0x170 [ 7382.449649][ T7704] __sys_sendmsg+0xcd/0x170 [ 7382.449649][ T7704] do_syscall_64+0xc6/0x1e0 [ 7382.449649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.449649][ T7704] [ 7382.451871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7382.451871][ T7704] netdev_get_by_index+0x5e/0x80 [ 7382.451871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7382.451871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7382.451871][ T7704] ip6_route_add+0x1c/0x140 [ 7382.451871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7382.451871][ T7704] addrconf_add_dev+0xe2/0x170 [ 7382.451871][ T7704] inet6_addr_add+0x12f/0xa40 [ 7382.451871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.451871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.451871][ T7704] netlink_rcv_skb+0x130/0x360 [ 7382.451871][ T7704] netlink_unicast+0x449/0x710 [ 7382.451871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7382.451871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7382.451871][ T7704] ___sys_sendmsg+0xee/0x170 [ 7382.451871][ T7704] __sys_sendmsg+0xcd/0x170 [ 7382.451871][ T7704] do_syscall_64+0xc6/0x1e0 [ 7382.451871][ T7704] [ 7382.454051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7382.454051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7382.454051][ T7704] ipv6_find_idev+0x102/0x170 [ 7382.454051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7382.454051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.454051][ T7704] netlink_rcv_skb+0x130/0x360 [ 7382.454051][ T7704] netlink_unicast+0x449/0x710 [ 7382.454051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7382.454051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7382.454051][ T7704] ___sys_sendmsg+0xee/0x170 [ 7382.454051][ T7704] __sys_sendmsg+0xcd/0x170 [ 7382.454051][ T7704] do_syscall_64+0xc6/0x1e0 [ 7382.454051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.454051][ T7704] [ 7382.455784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7382.455784][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7382.455784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7382.455784][ T7704] ipv6_find_idev+0x102/0x170 [ 7382.455784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7382.455784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.455784][ T7704] netlink_rcv_skb+0x130/0x360 [ 7382.455784][ T7704] netlink_unicast+0x449/0x710 [ 7382.455784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7382.455784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7382.455784][ T7704] ___sys_sendmsg+0xee/0x170 [ 7382.455784][ T7704] __sys_sendmsg+0xcd/0x170 [ 7382.455784][ T7704] do_syscall_64+0xc6/0x1e0 [ 7382.455784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.455784][ T7704] [ 7392.694955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7392.695410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7392.695410][ T7704] netdev_get_by_index+0x5e/0x80 [ 7392.695410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7392.695410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7392.695410][ T7704] ip6_route_add+0x1c/0x140 [ 7392.695410][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7392.695410][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7392.695410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7392.695410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7392.695410][ T7704] netlink_rcv_skb+0x130/0x360 [ 7392.695410][ T7704] netlink_unicast+0x449/0x710 [ 7392.695410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7392.695410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7392.695410][ T7704] ___sys_sendmsg+0xee/0x170 [ 7392.695410][ T7704] __sys_sendmsg+0xcd/0x170 [ 7392.695410][ T7704] do_syscall_64+0xc6/0x1e0 [ 7392.695410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7392.695410][ T7704] [ 7392.698193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7392.698193][ T7704] netdev_get_by_index+0x5e/0x80 [ 7392.698193][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7392.698193][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7392.698193][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7392.698193][ T7704] ipv6_add_addr+0x411/0x2000 [ 7392.698193][ T7704] inet6_addr_add+0x30e/0xa40 [ 7392.698193][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7392.698193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7392.698193][ T7704] netlink_rcv_skb+0x130/0x360 [ 7392.698193][ T7704] netlink_unicast+0x449/0x710 [ 7392.698193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7392.698193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7392.698193][ T7704] ___sys_sendmsg+0xee/0x170 [ 7392.698193][ T7704] __sys_sendmsg+0xcd/0x170 [ 7392.698193][ T7704] do_syscall_64+0xc6/0x1e0 [ 7392.698193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7392.698193][ T7704] [ 7392.700420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7392.700420][ T7704] netdev_get_by_index+0x5e/0x80 [ 7392.700420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7392.700420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7392.700420][ T7704] ip6_route_add+0x1c/0x140 [ 7392.700420][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7392.700420][ T7704] addrconf_add_dev+0xe2/0x170 [ 7392.700420][ T7704] inet6_addr_add+0x12f/0xa40 [ 7392.700420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7392.700420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7392.700420][ T7704] netlink_rcv_skb+0x130/0x360 [ 7392.700420][ T7704] netlink_unicast+0x449/0x710 [ 7392.700420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7392.700420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7392.700420][ T7704] ___sys_sendmsg+0xee/0x170 [ 7392.700420][ T7704] __sys_sendmsg+0xcd/0x170 [ 7392.700420][ T7704] do_syscall_64+0xc6/0x1e0 [ 7392.700420][ T7704] [ 7392.703014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7392.703014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7392.703014][ T7704] ipv6_find_idev+0x102/0x170 [ 7392.703014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7392.703014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7392.703014][ T7704] netlink_rcv_skb+0x130/0x360 [ 7392.703014][ T7704] netlink_unicast+0x449/0x710 [ 7392.703014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7392.703014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7392.703014][ T7704] ___sys_sendmsg+0xee/0x170 [ 7392.703014][ T7704] __sys_sendmsg+0xcd/0x170 [ 7392.703014][ T7704] do_syscall_64+0xc6/0x1e0 [ 7392.703014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7392.703014][ T7704] [ 7392.704718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7392.704718][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7392.704718][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7392.704718][ T7704] ipv6_find_idev+0x102/0x170 [ 7392.704718][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7392.704718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7392.704718][ T7704] netlink_rcv_skb+0x130/0x360 [ 7392.704718][ T7704] netlink_unicast+0x449/0x710 [ 7392.704718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7392.704718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7392.704718][ T7704] ___sys_sendmsg+0xee/0x170 [ 7392.704718][ T7704] __sys_sendmsg+0xcd/0x170 [ 7392.704718][ T7704] do_syscall_64+0xc6/0x1e0 [ 7392.704718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7392.704718][ T7704] [ 7402.910976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7402.911454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7402.911454][ T7704] netdev_get_by_index+0x5e/0x80 [ 7402.911454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7402.911454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7402.911454][ T7704] ip6_route_add+0x1c/0x140 [ 7402.911454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7402.911454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7402.911454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7402.911454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7402.911454][ T7704] netlink_rcv_skb+0x130/0x360 [ 7402.911454][ T7704] netlink_unicast+0x449/0x710 [ 7402.911454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7402.911454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7402.911454][ T7704] ___sys_sendmsg+0xee/0x170 [ 7402.911454][ T7704] __sys_sendmsg+0xcd/0x170 [ 7402.911454][ T7704] do_syscall_64+0xc6/0x1e0 [ 7402.911454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7402.911454][ T7704] [ 7402.913845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7402.913845][ T7704] netdev_get_by_index+0x5e/0x80 [ 7402.913845][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7402.913845][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7402.913845][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7402.913845][ T7704] ipv6_add_addr+0x411/0x2000 [ 7402.913845][ T7704] inet6_addr_add+0x30e/0xa40 [ 7402.913845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7402.913845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7402.913845][ T7704] netlink_rcv_skb+0x130/0x360 [ 7402.913845][ T7704] netlink_unicast+0x449/0x710 [ 7402.913845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7402.913845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7402.913845][ T7704] ___sys_sendmsg+0xee/0x170 [ 7402.913845][ T7704] __sys_sendmsg+0xcd/0x170 [ 7402.913845][ T7704] do_syscall_64+0xc6/0x1e0 [ 7402.913845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7402.913845][ T7704] [ 7402.916109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7402.916109][ T7704] netdev_get_by_index+0x5e/0x80 [ 7402.916109][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7402.916109][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7402.916109][ T7704] ip6_route_add+0x1c/0x140 [ 7402.916109][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7402.916109][ T7704] addrconf_add_dev+0xe2/0x170 [ 7402.916109][ T7704] inet6_addr_add+0x12f/0xa40 [ 7402.916109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7402.916109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7402.916109][ T7704] netlink_rcv_skb+0x130/0x360 [ 7402.916109][ T7704] netlink_unicast+0x449/0x710 [ 7402.916109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7402.916109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7402.916109][ T7704] ___sys_sendmsg+0xee/0x170 [ 7402.916109][ T7704] __sys_sendmsg+0xcd/0x170 [ 7402.916109][ T7704] do_syscall_64+0xc6/0x1e0 [ 7402.916109][ T7704] [ 7402.918323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7402.918323][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7402.918323][ T7704] ipv6_find_idev+0x102/0x170 [ 7402.918323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7402.918323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7402.918323][ T7704] netlink_rcv_skb+0x130/0x360 [ 7402.918323][ T7704] netlink_unicast+0x449/0x710 [ 7402.918323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7402.918323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7402.918323][ T7704] ___sys_sendmsg+0xee/0x170 [ 7402.918323][ T7704] __sys_sendmsg+0xcd/0x170 [ 7402.918323][ T7704] do_syscall_64+0xc6/0x1e0 [ 7402.918323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7402.918323][ T7704] [ 7402.920052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7402.920052][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7402.920052][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7402.920052][ T7704] ipv6_find_idev+0x102/0x170 [ 7402.920052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7402.920052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7402.920052][ T7704] netlink_rcv_skb+0x130/0x360 [ 7402.920052][ T7704] netlink_unicast+0x449/0x710 [ 7402.920052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7402.920052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7402.920052][ T7704] ___sys_sendmsg+0xee/0x170 [ 7402.920052][ T7704] __sys_sendmsg+0xcd/0x170 [ 7402.920052][ T7704] do_syscall_64+0xc6/0x1e0 [ 7402.920052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7402.920052][ T7704] [ 7413.174985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7413.175508][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7413.175508][ T7704] netdev_get_by_index+0x5e/0x80 [ 7413.175508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7413.175508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7413.175508][ T7704] ip6_route_add+0x1c/0x140 [ 7413.175508][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7413.175508][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7413.175508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.175508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.175508][ T7704] netlink_rcv_skb+0x130/0x360 [ 7413.175508][ T7704] netlink_unicast+0x449/0x710 [ 7413.175508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7413.175508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7413.175508][ T7704] ___sys_sendmsg+0xee/0x170 [ 7413.175508][ T7704] __sys_sendmsg+0xcd/0x170 [ 7413.175508][ T7704] do_syscall_64+0xc6/0x1e0 [ 7413.175508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.175508][ T7704] [ 7413.177798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7413.177798][ T7704] netdev_get_by_index+0x5e/0x80 [ 7413.177798][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7413.177798][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7413.177798][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7413.177798][ T7704] ipv6_add_addr+0x411/0x2000 [ 7413.177798][ T7704] inet6_addr_add+0x30e/0xa40 [ 7413.177798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.177798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.177798][ T7704] netlink_rcv_skb+0x130/0x360 [ 7413.177798][ T7704] netlink_unicast+0x449/0x710 [ 7413.177798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7413.177798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7413.177798][ T7704] ___sys_sendmsg+0xee/0x170 [ 7413.177798][ T7704] __sys_sendmsg+0xcd/0x170 [ 7413.177798][ T7704] do_syscall_64+0xc6/0x1e0 [ 7413.177798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.177798][ T7704] [ 7413.180111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7413.180111][ T7704] netdev_get_by_index+0x5e/0x80 [ 7413.180111][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7413.180111][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7413.180111][ T7704] ip6_route_add+0x1c/0x140 [ 7413.180111][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7413.180111][ T7704] addrconf_add_dev+0xe2/0x170 [ 7413.180111][ T7704] inet6_addr_add+0x12f/0xa40 [ 7413.180111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.180111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.180111][ T7704] netlink_rcv_skb+0x130/0x360 [ 7413.180111][ T7704] netlink_unicast+0x449/0x710 [ 7413.180111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7413.180111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7413.180111][ T7704] ___sys_sendmsg+0xee/0x170 [ 7413.180111][ T7704] __sys_sendmsg+0xcd/0x170 [ 7413.180111][ T7704] do_syscall_64+0xc6/0x1e0 [ 7413.180111][ T7704] [ 7413.182323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7413.182323][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7413.182323][ T7704] ipv6_find_idev+0x102/0x170 [ 7413.182323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.182323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.182323][ T7704] netlink_rcv_skb+0x130/0x360 [ 7413.182323][ T7704] netlink_unicast+0x449/0x710 [ 7413.182323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7413.182323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7413.182323][ T7704] ___sys_sendmsg+0xee/0x170 [ 7413.182323][ T7704] __sys_sendmsg+0xcd/0x170 [ 7413.182323][ T7704] do_syscall_64+0xc6/0x1e0 [ 7413.182323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.182323][ T7704] [ 7413.184055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7413.184055][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7413.184055][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7413.184055][ T7704] ipv6_find_idev+0x102/0x170 [ 7413.184055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.184055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.184055][ T7704] netlink_rcv_skb+0x130/0x360 [ 7413.184055][ T7704] netlink_unicast+0x449/0x710 [ 7413.184055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7413.184055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7413.184055][ T7704] ___sys_sendmsg+0xee/0x170 [ 7413.184055][ T7704] __sys_sendmsg+0xcd/0x170 [ 7413.184055][ T7704] do_syscall_64+0xc6/0x1e0 [ 7413.184055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.184055][ T7704] [ 7423.438970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7423.439453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7423.439453][ T7704] netdev_get_by_index+0x5e/0x80 [ 7423.439453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7423.439453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7423.439453][ T7704] ip6_route_add+0x1c/0x140 [ 7423.439453][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7423.439453][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7423.439453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7423.439453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7423.439453][ T7704] netlink_rcv_skb+0x130/0x360 [ 7423.439453][ T7704] netlink_unicast+0x449/0x710 [ 7423.439453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7423.439453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7423.439453][ T7704] ___sys_sendmsg+0xee/0x170 [ 7423.439453][ T7704] __sys_sendmsg+0xcd/0x170 [ 7423.439453][ T7704] do_syscall_64+0xc6/0x1e0 [ 7423.439453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7423.439453][ T7704] [ 7423.441730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7423.441730][ T7704] netdev_get_by_index+0x5e/0x80 [ 7423.441730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7423.441730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7423.441730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7423.441730][ T7704] ipv6_add_addr+0x411/0x2000 [ 7423.441730][ T7704] inet6_addr_add+0x30e/0xa40 [ 7423.441730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7423.441730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7423.441730][ T7704] netlink_rcv_skb+0x130/0x360 [ 7423.441730][ T7704] netlink_unicast+0x449/0x710 [ 7423.441730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7423.441730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7423.441730][ T7704] ___sys_sendmsg+0xee/0x170 [ 7423.441730][ T7704] __sys_sendmsg+0xcd/0x170 [ 7423.441730][ T7704] do_syscall_64+0xc6/0x1e0 [ 7423.441730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7423.441730][ T7704] [ 7423.443987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7423.443987][ T7704] netdev_get_by_index+0x5e/0x80 [ 7423.443987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7423.443987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7423.443987][ T7704] ip6_route_add+0x1c/0x140 [ 7423.443987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7423.443987][ T7704] addrconf_add_dev+0xe2/0x170 [ 7423.443987][ T7704] inet6_addr_add+0x12f/0xa40 [ 7423.443987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7423.443987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7423.443987][ T7704] netlink_rcv_skb+0x130/0x360 [ 7423.443987][ T7704] netlink_unicast+0x449/0x710 [ 7423.443987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7423.443987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7423.443987][ T7704] ___sys_sendmsg+0xee/0x170 [ 7423.443987][ T7704] __sys_sendmsg+0xcd/0x170 [ 7423.443987][ T7704] do_syscall_64+0xc6/0x1e0 [ 7423.443987][ T7704] [ 7423.446213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7423.446213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7423.446213][ T7704] ipv6_find_idev+0x102/0x170 [ 7423.446213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7423.446213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7423.446213][ T7704] netlink_rcv_skb+0x130/0x360 [ 7423.446213][ T7704] netlink_unicast+0x449/0x710 [ 7423.446213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7423.446213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7423.446213][ T7704] ___sys_sendmsg+0xee/0x170 [ 7423.446213][ T7704] __sys_sendmsg+0xcd/0x170 [ 7423.446213][ T7704] do_syscall_64+0xc6/0x1e0 [ 7423.446213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7423.446213][ T7704] [ 7423.447946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7423.447946][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7423.447946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7423.447946][ T7704] ipv6_find_idev+0x102/0x170 [ 7423.447946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7423.447946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7423.447946][ T7704] netlink_rcv_skb+0x130/0x360 [ 7423.447946][ T7704] netlink_unicast+0x449/0x710 [ 7423.447946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7423.447946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7423.447946][ T7704] ___sys_sendmsg+0xee/0x170 [ 7423.447946][ T7704] __sys_sendmsg+0xcd/0x170 [ 7423.447946][ T7704] do_syscall_64+0xc6/0x1e0 [ 7423.447946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7423.447946][ T7704] [ 7433.694917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7433.695458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7433.695458][ T7704] netdev_get_by_index+0x5e/0x80 [ 7433.695458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7433.695458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7433.695458][ T7704] ip6_route_add+0x1c/0x140 [ 7433.695458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7433.695458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7433.695458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7433.695458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7433.695458][ T7704] netlink_rcv_skb+0x130/0x360 [ 7433.695458][ T7704] netlink_unicast+0x449/0x710 [ 7433.695458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7433.695458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7433.695458][ T7704] ___sys_sendmsg+0xee/0x170 [ 7433.695458][ T7704] __sys_sendmsg+0xcd/0x170 [ 7433.695458][ T7704] do_syscall_64+0xc6/0x1e0 [ 7433.695458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7433.695458][ T7704] [ 7433.697736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7433.697736][ T7704] netdev_get_by_index+0x5e/0x80 [ 7433.697736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7433.697736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7433.697736][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7433.697736][ T7704] ipv6_add_addr+0x411/0x2000 [ 7433.697736][ T7704] inet6_addr_add+0x30e/0xa40 [ 7433.697736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7433.697736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7433.697736][ T7704] netlink_rcv_skb+0x130/0x360 [ 7433.697736][ T7704] netlink_unicast+0x449/0x710 [ 7433.697736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7433.697736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7433.697736][ T7704] ___sys_sendmsg+0xee/0x170 [ 7433.697736][ T7704] __sys_sendmsg+0xcd/0x170 [ 7433.697736][ T7704] do_syscall_64+0xc6/0x1e0 [ 7433.697736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7433.697736][ T7704] [ 7433.699987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7433.699987][ T7704] netdev_get_by_index+0x5e/0x80 [ 7433.699987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7433.699987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7433.699987][ T7704] ip6_route_add+0x1c/0x140 [ 7433.699987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7433.699987][ T7704] addrconf_add_dev+0xe2/0x170 [ 7433.699987][ T7704] inet6_addr_add+0x12f/0xa40 [ 7433.699987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7433.699987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7433.699987][ T7704] netlink_rcv_skb+0x130/0x360 [ 7433.699987][ T7704] netlink_unicast+0x449/0x710 [ 7433.699987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7433.699987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7433.699987][ T7704] ___sys_sendmsg+0xee/0x170 [ 7433.699987][ T7704] __sys_sendmsg+0xcd/0x170 [ 7433.699987][ T7704] do_syscall_64+0xc6/0x1e0 [ 7433.699987][ T7704] [ 7433.702206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7433.702206][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7433.702206][ T7704] ipv6_find_idev+0x102/0x170 [ 7433.702206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7433.702206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7433.702206][ T7704] netlink_rcv_skb+0x130/0x360 [ 7433.702206][ T7704] netlink_unicast+0x449/0x710 [ 7433.702206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7433.702206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7433.702206][ T7704] ___sys_sendmsg+0xee/0x170 [ 7433.702206][ T7704] __sys_sendmsg+0xcd/0x170 [ 7433.702206][ T7704] do_syscall_64+0xc6/0x1e0 [ 7433.702206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7433.702206][ T7704] [ 7433.703955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7433.703955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7433.703955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7433.703955][ T7704] ipv6_find_idev+0x102/0x170 [ 7433.703955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7433.703955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7433.703955][ T7704] netlink_rcv_skb+0x130/0x360 [ 7433.703955][ T7704] netlink_unicast+0x449/0x710 [ 7433.703955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7433.703955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7433.703955][ T7704] ___sys_sendmsg+0xee/0x170 [ 7433.703955][ T7704] __sys_sendmsg+0xcd/0x170 [ 7433.703955][ T7704] do_syscall_64+0xc6/0x1e0 [ 7433.703955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7433.703955][ T7704] [ 7443.742938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7443.743478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7443.743478][ T7704] netdev_get_by_index+0x5e/0x80 [ 7443.743478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7443.743478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7443.743478][ T7704] ip6_route_add+0x1c/0x140 [ 7443.743478][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7443.743478][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7443.743478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7443.743478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7443.743478][ T7704] netlink_rcv_skb+0x130/0x360 [ 7443.743478][ T7704] netlink_unicast+0x449/0x710 [ 7443.743478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7443.743478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7443.743478][ T7704] ___sys_sendmsg+0xee/0x170 [ 7443.743478][ T7704] __sys_sendmsg+0xcd/0x170 [ 7443.743478][ T7704] do_syscall_64+0xc6/0x1e0 [ 7443.743478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7443.743478][ T7704] [ 7443.745782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7443.745782][ T7704] netdev_get_by_index+0x5e/0x80 [ 7443.745782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7443.745782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7443.745782][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7443.745782][ T7704] ipv6_add_addr+0x411/0x2000 [ 7443.745782][ T7704] inet6_addr_add+0x30e/0xa40 [ 7443.745782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7443.745782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7443.745782][ T7704] netlink_rcv_skb+0x130/0x360 [ 7443.745782][ T7704] netlink_unicast+0x449/0x710 [ 7443.745782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7443.745782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7443.745782][ T7704] ___sys_sendmsg+0xee/0x170 [ 7443.745782][ T7704] __sys_sendmsg+0xcd/0x170 [ 7443.745782][ T7704] do_syscall_64+0xc6/0x1e0 [ 7443.745782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7443.745782][ T7704] [ 7443.748049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7443.748049][ T7704] netdev_get_by_index+0x5e/0x80 [ 7443.748049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7443.748049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7443.748049][ T7704] ip6_route_add+0x1c/0x140 [ 7443.748049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7443.748049][ T7704] addrconf_add_dev+0xe2/0x170 [ 7443.748049][ T7704] inet6_addr_add+0x12f/0xa40 [ 7443.748049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7443.748049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7443.748049][ T7704] netlink_rcv_skb+0x130/0x360 [ 7443.748049][ T7704] netlink_unicast+0x449/0x710 [ 7443.748049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7443.748049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7443.748049][ T7704] ___sys_sendmsg+0xee/0x170 [ 7443.748049][ T7704] __sys_sendmsg+0xcd/0x170 [ 7443.748049][ T7704] do_syscall_64+0xc6/0x1e0 [ 7443.748049][ T7704] [ 7443.750264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7443.750264][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7443.750264][ T7704] ipv6_find_idev+0x102/0x170 [ 7443.750264][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7443.750264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7443.750264][ T7704] netlink_rcv_skb+0x130/0x360 [ 7443.750264][ T7704] netlink_unicast+0x449/0x710 [ 7443.750264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7443.750264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7443.750264][ T7704] ___sys_sendmsg+0xee/0x170 [ 7443.750264][ T7704] __sys_sendmsg+0xcd/0x170 [ 7443.750264][ T7704] do_syscall_64+0xc6/0x1e0 [ 7443.750264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7443.750264][ T7704] [ 7443.751994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7443.751994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7443.751994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7443.751994][ T7704] ipv6_find_idev+0x102/0x170 [ 7443.751994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7443.751994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7443.751994][ T7704] netlink_rcv_skb+0x130/0x360 [ 7443.751994][ T7704] netlink_unicast+0x449/0x710 [ 7443.751994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7443.751994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7443.751994][ T7704] ___sys_sendmsg+0xee/0x170 [ 7443.751994][ T7704] __sys_sendmsg+0xcd/0x170 [ 7443.751994][ T7704] do_syscall_64+0xc6/0x1e0 [ 7443.751994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7443.751994][ T7704] [ 7453.839132][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7453.839652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7453.839652][ T7704] netdev_get_by_index+0x5e/0x80 [ 7453.839652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7453.839652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7453.839652][ T7704] ip6_route_add+0x1c/0x140 [ 7453.839652][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7453.839652][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7453.839652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7453.839652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7453.839652][ T7704] netlink_rcv_skb+0x130/0x360 [ 7453.839652][ T7704] netlink_unicast+0x449/0x710 [ 7453.839652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7453.839652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7453.839652][ T7704] ___sys_sendmsg+0xee/0x170 [ 7453.839652][ T7704] __sys_sendmsg+0xcd/0x170 [ 7453.839652][ T7704] do_syscall_64+0xc6/0x1e0 [ 7453.839652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7453.839652][ T7704] [ 7453.841921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7453.841921][ T7704] netdev_get_by_index+0x5e/0x80 [ 7453.841921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7453.841921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7453.841921][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7453.841921][ T7704] ipv6_add_addr+0x411/0x2000 [ 7453.841921][ T7704] inet6_addr_add+0x30e/0xa40 [ 7453.841921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7453.841921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7453.841921][ T7704] netlink_rcv_skb+0x130/0x360 [ 7453.841921][ T7704] netlink_unicast+0x449/0x710 [ 7453.841921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7453.841921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7453.841921][ T7704] ___sys_sendmsg+0xee/0x170 [ 7453.841921][ T7704] __sys_sendmsg+0xcd/0x170 [ 7453.841921][ T7704] do_syscall_64+0xc6/0x1e0 [ 7453.841921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7453.841921][ T7704] [ 7453.844151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7453.844151][ T7704] netdev_get_by_index+0x5e/0x80 [ 7453.844151][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7453.844151][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7453.844151][ T7704] ip6_route_add+0x1c/0x140 [ 7453.844151][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7453.844151][ T7704] addrconf_add_dev+0xe2/0x170 [ 7453.844151][ T7704] inet6_addr_add+0x12f/0xa40 [ 7453.844151][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7453.844151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7453.844151][ T7704] netlink_rcv_skb+0x130/0x360 [ 7453.844151][ T7704] netlink_unicast+0x449/0x710 [ 7453.844151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7453.844151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7453.844151][ T7704] ___sys_sendmsg+0xee/0x170 [ 7453.844151][ T7704] __sys_sendmsg+0xcd/0x170 [ 7453.844151][ T7704] do_syscall_64+0xc6/0x1e0 [ 7453.844151][ T7704] [ 7453.846338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7453.846338][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7453.846338][ T7704] ipv6_find_idev+0x102/0x170 [ 7453.846338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7453.846338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7453.846338][ T7704] netlink_rcv_skb+0x130/0x360 [ 7453.846338][ T7704] netlink_unicast+0x449/0x710 [ 7453.846338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7453.846338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7453.846338][ T7704] ___sys_sendmsg+0xee/0x170 [ 7453.846338][ T7704] __sys_sendmsg+0xcd/0x170 [ 7453.846338][ T7704] do_syscall_64+0xc6/0x1e0 [ 7453.846338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7453.846338][ T7704] [ 7453.848042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7453.848042][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7453.848042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7453.848042][ T7704] ipv6_find_idev+0x102/0x170 [ 7453.848042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7453.848042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7453.848042][ T7704] netlink_rcv_skb+0x130/0x360 [ 7453.848042][ T7704] netlink_unicast+0x449/0x710 [ 7453.848042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7453.848042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7453.848042][ T7704] ___sys_sendmsg+0xee/0x170 [ 7453.848042][ T7704] __sys_sendmsg+0xcd/0x170 [ 7453.848042][ T7704] do_syscall_64+0xc6/0x1e0 [ 7453.848042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7453.848042][ T7704] [ 7464.094948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7464.095410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7464.095410][ T7704] netdev_get_by_index+0x5e/0x80 [ 7464.095410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7464.095410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7464.095410][ T7704] ip6_route_add+0x1c/0x140 [ 7464.095410][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7464.095410][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7464.095410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7464.095410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7464.095410][ T7704] netlink_rcv_skb+0x130/0x360 [ 7464.095410][ T7704] netlink_unicast+0x449/0x710 [ 7464.095410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7464.095410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7464.095410][ T7704] ___sys_sendmsg+0xee/0x170 [ 7464.095410][ T7704] __sys_sendmsg+0xcd/0x170 [ 7464.095410][ T7704] do_syscall_64+0xc6/0x1e0 [ 7464.095410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7464.095410][ T7704] [ 7464.097653][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7464.097653][ T7704] netdev_get_by_index+0x5e/0x80 [ 7464.097653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7464.097653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7464.097653][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7464.097653][ T7704] ipv6_add_addr+0x411/0x2000 [ 7464.097653][ T7704] inet6_addr_add+0x30e/0xa40 [ 7464.097653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7464.097653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7464.097653][ T7704] netlink_rcv_skb+0x130/0x360 [ 7464.097653][ T7704] netlink_unicast+0x449/0x710 [ 7464.097653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7464.097653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7464.097653][ T7704] ___sys_sendmsg+0xee/0x170 [ 7464.097653][ T7704] __sys_sendmsg+0xcd/0x170 [ 7464.097653][ T7704] do_syscall_64+0xc6/0x1e0 [ 7464.097653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7464.097653][ T7704] [ 7464.099881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7464.099881][ T7704] netdev_get_by_index+0x5e/0x80 [ 7464.099881][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7464.099881][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7464.099881][ T7704] ip6_route_add+0x1c/0x140 [ 7464.099881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7464.099881][ T7704] addrconf_add_dev+0xe2/0x170 [ 7464.099881][ T7704] inet6_addr_add+0x12f/0xa40 [ 7464.099881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7464.099881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7464.099881][ T7704] netlink_rcv_skb+0x130/0x360 [ 7464.099881][ T7704] netlink_unicast+0x449/0x710 [ 7464.099881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7464.099881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7464.099881][ T7704] ___sys_sendmsg+0xee/0x170 [ 7464.099881][ T7704] __sys_sendmsg+0xcd/0x170 [ 7464.099881][ T7704] do_syscall_64+0xc6/0x1e0 [ 7464.099881][ T7704] [ 7464.102067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7464.102067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7464.102067][ T7704] ipv6_find_idev+0x102/0x170 [ 7464.102067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7464.102067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7464.102067][ T7704] netlink_rcv_skb+0x130/0x360 [ 7464.102067][ T7704] netlink_unicast+0x449/0x710 [ 7464.102067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7464.102067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7464.102067][ T7704] ___sys_sendmsg+0xee/0x170 [ 7464.102067][ T7704] __sys_sendmsg+0xcd/0x170 [ 7464.102067][ T7704] do_syscall_64+0xc6/0x1e0 [ 7464.102067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7464.102067][ T7704] [ 7464.103893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7464.103893][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7464.103893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7464.103893][ T7704] ipv6_find_idev+0x102/0x170 [ 7464.103893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7464.103893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7464.103893][ T7704] netlink_rcv_skb+0x130/0x360 [ 7464.103893][ T7704] netlink_unicast+0x449/0x710 [ 7464.103893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7464.103893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7464.103893][ T7704] ___sys_sendmsg+0xee/0x170 [ 7464.103893][ T7704] __sys_sendmsg+0xcd/0x170 [ 7464.103893][ T7704] do_syscall_64+0xc6/0x1e0 [ 7464.103893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7464.103893][ T7704] [ 7474.206983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7474.207494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7474.207494][ T7704] netdev_get_by_index+0x5e/0x80 [ 7474.207494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7474.207494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7474.207494][ T7704] ip6_route_add+0x1c/0x140 [ 7474.207494][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7474.207494][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7474.207494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7474.207494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7474.207494][ T7704] netlink_rcv_skb+0x130/0x360 [ 7474.207494][ T7704] netlink_unicast+0x449/0x710 [ 7474.207494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7474.207494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7474.207494][ T7704] ___sys_sendmsg+0xee/0x170 [ 7474.207494][ T7704] __sys_sendmsg+0xcd/0x170 [ 7474.207494][ T7704] do_syscall_64+0xc6/0x1e0 [ 7474.207494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7474.207494][ T7704] [ 7474.209753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7474.209753][ T7704] netdev_get_by_index+0x5e/0x80 [ 7474.209753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7474.209753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7474.209753][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7474.209753][ T7704] ipv6_add_addr+0x411/0x2000 [ 7474.209753][ T7704] inet6_addr_add+0x30e/0xa40 [ 7474.209753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7474.209753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7474.209753][ T7704] netlink_rcv_skb+0x130/0x360 [ 7474.209753][ T7704] netlink_unicast+0x449/0x710 [ 7474.209753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7474.209753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7474.209753][ T7704] ___sys_sendmsg+0xee/0x170 [ 7474.209753][ T7704] __sys_sendmsg+0xcd/0x170 [ 7474.209753][ T7704] do_syscall_64+0xc6/0x1e0 [ 7474.209753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7474.209753][ T7704] [ 7474.211981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7474.211981][ T7704] netdev_get_by_index+0x5e/0x80 [ 7474.211981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7474.211981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7474.211981][ T7704] ip6_route_add+0x1c/0x140 [ 7474.211981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7474.211981][ T7704] addrconf_add_dev+0xe2/0x170 [ 7474.211981][ T7704] inet6_addr_add+0x12f/0xa40 [ 7474.211981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7474.211981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7474.211981][ T7704] netlink_rcv_skb+0x130/0x360 [ 7474.211981][ T7704] netlink_unicast+0x449/0x710 [ 7474.211981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7474.211981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7474.211981][ T7704] ___sys_sendmsg+0xee/0x170 [ 7474.211981][ T7704] __sys_sendmsg+0xcd/0x170 [ 7474.211981][ T7704] do_syscall_64+0xc6/0x1e0 [ 7474.211981][ T7704] [ 7474.214165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7474.214165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7474.214165][ T7704] ipv6_find_idev+0x102/0x170 [ 7474.214165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7474.214165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7474.214165][ T7704] netlink_rcv_skb+0x130/0x360 [ 7474.214165][ T7704] netlink_unicast+0x449/0x710 [ 7474.214165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7474.214165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7474.214165][ T7704] ___sys_sendmsg+0xee/0x170 [ 7474.214165][ T7704] __sys_sendmsg+0xcd/0x170 [ 7474.214165][ T7704] do_syscall_64+0xc6/0x1e0 [ 7474.214165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7474.214165][ T7704] [ 7474.215890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7474.215890][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7474.215890][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7474.215890][ T7704] ipv6_find_idev+0x102/0x170 [ 7474.215890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7474.215890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7474.215890][ T7704] netlink_rcv_skb+0x130/0x360 [ 7474.215890][ T7704] netlink_unicast+0x449/0x710 [ 7474.215890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7474.215890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7474.215890][ T7704] ___sys_sendmsg+0xee/0x170 [ 7474.215890][ T7704] __sys_sendmsg+0xcd/0x170 [ 7474.215890][ T7704] do_syscall_64+0xc6/0x1e0 [ 7474.215890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7474.215890][ T7704] [ 7484.239007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7484.239555][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7484.239555][ T7704] netdev_get_by_index+0x5e/0x80 [ 7484.239555][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7484.239555][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7484.239555][ T7704] ip6_route_add+0x1c/0x140 [ 7484.239555][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7484.239555][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7484.239555][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7484.239555][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7484.239555][ T7704] netlink_rcv_skb+0x130/0x360 [ 7484.239555][ T7704] netlink_unicast+0x449/0x710 [ 7484.239555][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7484.239555][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7484.239555][ T7704] ___sys_sendmsg+0xee/0x170 [ 7484.239555][ T7704] __sys_sendmsg+0xcd/0x170 [ 7484.239555][ T7704] do_syscall_64+0xc6/0x1e0 [ 7484.239555][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7484.239555][ T7704] [ 7484.241844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7484.241844][ T7704] netdev_get_by_index+0x5e/0x80 [ 7484.241844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7484.241844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7484.241844][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7484.241844][ T7704] ipv6_add_addr+0x411/0x2000 [ 7484.241844][ T7704] inet6_addr_add+0x30e/0xa40 [ 7484.241844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7484.241844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7484.241844][ T7704] netlink_rcv_skb+0x130/0x360 [ 7484.241844][ T7704] netlink_unicast+0x449/0x710 [ 7484.241844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7484.241844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7484.241844][ T7704] ___sys_sendmsg+0xee/0x170 [ 7484.241844][ T7704] __sys_sendmsg+0xcd/0x170 [ 7484.241844][ T7704] do_syscall_64+0xc6/0x1e0 [ 7484.241844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7484.241844][ T7704] [ 7484.244115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7484.244115][ T7704] netdev_get_by_index+0x5e/0x80 [ 7484.244115][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7484.244115][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7484.244115][ T7704] ip6_route_add+0x1c/0x140 [ 7484.244115][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7484.244115][ T7704] addrconf_add_dev+0xe2/0x170 [ 7484.244115][ T7704] inet6_addr_add+0x12f/0xa40 [ 7484.244115][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7484.244115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7484.244115][ T7704] netlink_rcv_skb+0x130/0x360 [ 7484.244115][ T7704] netlink_unicast+0x449/0x710 [ 7484.244115][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7484.244115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7484.244115][ T7704] ___sys_sendmsg+0xee/0x170 [ 7484.244115][ T7704] __sys_sendmsg+0xcd/0x170 [ 7484.244115][ T7704] do_syscall_64+0xc6/0x1e0 [ 7484.244115][ T7704] [ 7484.246351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7484.246351][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7484.246351][ T7704] ipv6_find_idev+0x102/0x170 [ 7484.246351][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7484.246351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7484.246351][ T7704] netlink_rcv_skb+0x130/0x360 [ 7484.246351][ T7704] netlink_unicast+0x449/0x710 [ 7484.246351][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7484.246351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7484.246351][ T7704] ___sys_sendmsg+0xee/0x170 [ 7484.246351][ T7704] __sys_sendmsg+0xcd/0x170 [ 7484.246351][ T7704] do_syscall_64+0xc6/0x1e0 [ 7484.246351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7484.246351][ T7704] [ 7484.248094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7484.248094][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7484.248094][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7484.248094][ T7704] ipv6_find_idev+0x102/0x170 [ 7484.248094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7484.248094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7484.248094][ T7704] netlink_rcv_skb+0x130/0x360 [ 7484.248094][ T7704] netlink_unicast+0x449/0x710 [ 7484.248094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7484.248094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7484.248094][ T7704] ___sys_sendmsg+0xee/0x170 [ 7484.248094][ T7704] __sys_sendmsg+0xcd/0x170 [ 7484.248094][ T7704] do_syscall_64+0xc6/0x1e0 [ 7484.248094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7484.248094][ T7704] [ 7494.487077][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7494.487616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7494.487616][ T7704] netdev_get_by_index+0x5e/0x80 [ 7494.487616][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7494.487616][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7494.487616][ T7704] ip6_route_add+0x1c/0x140 [ 7494.487616][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7494.487616][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7494.487616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7494.487616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7494.487616][ T7704] netlink_rcv_skb+0x130/0x360 [ 7494.487616][ T7704] netlink_unicast+0x449/0x710 [ 7494.487616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7494.487616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7494.487616][ T7704] ___sys_sendmsg+0xee/0x170 [ 7494.487616][ T7704] __sys_sendmsg+0xcd/0x170 [ 7494.487616][ T7704] do_syscall_64+0xc6/0x1e0 [ 7494.487616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7494.487616][ T7704] [ 7494.489906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7494.489906][ T7704] netdev_get_by_index+0x5e/0x80 [ 7494.489906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7494.489906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7494.489906][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7494.489906][ T7704] ipv6_add_addr+0x411/0x2000 [ 7494.489906][ T7704] inet6_addr_add+0x30e/0xa40 [ 7494.489906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7494.489906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7494.489906][ T7704] netlink_rcv_skb+0x130/0x360 [ 7494.489906][ T7704] netlink_unicast+0x449/0x710 [ 7494.489906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7494.489906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7494.489906][ T7704] ___sys_sendmsg+0xee/0x170 [ 7494.489906][ T7704] __sys_sendmsg+0xcd/0x170 [ 7494.489906][ T7704] do_syscall_64+0xc6/0x1e0 [ 7494.489906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7494.489906][ T7704] [ 7494.492183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7494.492183][ T7704] netdev_get_by_index+0x5e/0x80 [ 7494.492183][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7494.492183][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7494.492183][ T7704] ip6_route_add+0x1c/0x140 [ 7494.492183][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7494.492183][ T7704] addrconf_add_dev+0xe2/0x170 [ 7494.492183][ T7704] inet6_addr_add+0x12f/0xa40 [ 7494.492183][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7494.492183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7494.492183][ T7704] netlink_rcv_skb+0x130/0x360 [ 7494.492183][ T7704] netlink_unicast+0x449/0x710 [ 7494.492183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7494.492183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7494.492183][ T7704] ___sys_sendmsg+0xee/0x170 [ 7494.492183][ T7704] __sys_sendmsg+0xcd/0x170 [ 7494.492183][ T7704] do_syscall_64+0xc6/0x1e0 [ 7494.492183][ T7704] [ 7494.494403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7494.494403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7494.494403][ T7704] ipv6_find_idev+0x102/0x170 [ 7494.494403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7494.494403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7494.494403][ T7704] netlink_rcv_skb+0x130/0x360 [ 7494.494403][ T7704] netlink_unicast+0x449/0x710 [ 7494.494403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7494.494403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7494.494403][ T7704] ___sys_sendmsg+0xee/0x170 [ 7494.494403][ T7704] __sys_sendmsg+0xcd/0x170 [ 7494.494403][ T7704] do_syscall_64+0xc6/0x1e0 [ 7494.494403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7494.494403][ T7704] [ 7494.496148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7494.496148][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7494.496148][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7494.496148][ T7704] ipv6_find_idev+0x102/0x170 [ 7494.496148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7494.496148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7494.496148][ T7704] netlink_rcv_skb+0x130/0x360 [ 7494.496148][ T7704] netlink_unicast+0x449/0x710 [ 7494.496148][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7494.496148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7494.496148][ T7704] ___sys_sendmsg+0xee/0x170 [ 7494.496148][ T7704] __sys_sendmsg+0xcd/0x170 [ 7494.496148][ T7704] do_syscall_64+0xc6/0x1e0 [ 7494.496148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7494.496148][ T7704] [ 7504.710944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7504.711427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7504.711427][ T7704] netdev_get_by_index+0x5e/0x80 [ 7504.711427][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7504.711427][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7504.711427][ T7704] ip6_route_add+0x1c/0x140 [ 7504.711427][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7504.711427][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7504.711427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7504.711427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7504.711427][ T7704] netlink_rcv_skb+0x130/0x360 [ 7504.711427][ T7704] netlink_unicast+0x449/0x710 [ 7504.711427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7504.711427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7504.711427][ T7704] ___sys_sendmsg+0xee/0x170 [ 7504.711427][ T7704] __sys_sendmsg+0xcd/0x170 [ 7504.711427][ T7704] do_syscall_64+0xc6/0x1e0 [ 7504.711427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7504.711427][ T7704] [ 7504.713707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7504.713707][ T7704] netdev_get_by_index+0x5e/0x80 [ 7504.713707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7504.713707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7504.713707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7504.713707][ T7704] ipv6_add_addr+0x411/0x2000 [ 7504.713707][ T7704] inet6_addr_add+0x30e/0xa40 [ 7504.713707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7504.713707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7504.713707][ T7704] netlink_rcv_skb+0x130/0x360 [ 7504.713707][ T7704] netlink_unicast+0x449/0x710 [ 7504.713707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7504.713707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7504.713707][ T7704] ___sys_sendmsg+0xee/0x170 [ 7504.713707][ T7704] __sys_sendmsg+0xcd/0x170 [ 7504.713707][ T7704] do_syscall_64+0xc6/0x1e0 [ 7504.713707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7504.713707][ T7704] [ 7504.715996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7504.715996][ T7704] netdev_get_by_index+0x5e/0x80 [ 7504.715996][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7504.715996][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7504.715996][ T7704] ip6_route_add+0x1c/0x140 [ 7504.715996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7504.715996][ T7704] addrconf_add_dev+0xe2/0x170 [ 7504.715996][ T7704] inet6_addr_add+0x12f/0xa40 [ 7504.715996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7504.715996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7504.715996][ T7704] netlink_rcv_skb+0x130/0x360 [ 7504.715996][ T7704] netlink_unicast+0x449/0x710 [ 7504.715996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7504.715996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7504.715996][ T7704] ___sys_sendmsg+0xee/0x170 [ 7504.715996][ T7704] __sys_sendmsg+0xcd/0x170 [ 7504.715996][ T7704] do_syscall_64+0xc6/0x1e0 [ 7504.715996][ T7704] [ 7504.718218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7504.718218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7504.718218][ T7704] ipv6_find_idev+0x102/0x170 [ 7504.718218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7504.718218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7504.718218][ T7704] netlink_rcv_skb+0x130/0x360 [ 7504.718218][ T7704] netlink_unicast+0x449/0x710 [ 7504.718218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7504.718218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7504.718218][ T7704] ___sys_sendmsg+0xee/0x170 [ 7504.718218][ T7704] __sys_sendmsg+0xcd/0x170 [ 7504.718218][ T7704] do_syscall_64+0xc6/0x1e0 [ 7504.718218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7504.718218][ T7704] [ 7504.719951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7504.719951][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7504.719951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7504.719951][ T7704] ipv6_find_idev+0x102/0x170 [ 7504.719951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7504.719951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7504.719951][ T7704] netlink_rcv_skb+0x130/0x360 [ 7504.719951][ T7704] netlink_unicast+0x449/0x710 [ 7504.719951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7504.719951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7504.719951][ T7704] ___sys_sendmsg+0xee/0x170 [ 7504.719951][ T7704] __sys_sendmsg+0xcd/0x170 [ 7504.719951][ T7704] do_syscall_64+0xc6/0x1e0 [ 7504.719951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7504.719951][ T7704] [ 7514.839094][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7514.839597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7514.839597][ T7704] netdev_get_by_index+0x5e/0x80 [ 7514.839597][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7514.839597][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7514.839597][ T7704] ip6_route_add+0x1c/0x140 [ 7514.839597][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7514.839597][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7514.839597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7514.839597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7514.839597][ T7704] netlink_rcv_skb+0x130/0x360 [ 7514.839597][ T7704] netlink_unicast+0x449/0x710 [ 7514.839597][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7514.839597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7514.839597][ T7704] ___sys_sendmsg+0xee/0x170 [ 7514.839597][ T7704] __sys_sendmsg+0xcd/0x170 [ 7514.839597][ T7704] do_syscall_64+0xc6/0x1e0 [ 7514.839597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7514.839597][ T7704] [ 7514.841897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7514.841897][ T7704] netdev_get_by_index+0x5e/0x80 [ 7514.841897][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7514.841897][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7514.841897][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7514.841897][ T7704] ipv6_add_addr+0x411/0x2000 [ 7514.841897][ T7704] inet6_addr_add+0x30e/0xa40 [ 7514.841897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7514.841897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7514.841897][ T7704] netlink_rcv_skb+0x130/0x360 [ 7514.841897][ T7704] netlink_unicast+0x449/0x710 [ 7514.841897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7514.841897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7514.841897][ T7704] ___sys_sendmsg+0xee/0x170 [ 7514.841897][ T7704] __sys_sendmsg+0xcd/0x170 [ 7514.841897][ T7704] do_syscall_64+0xc6/0x1e0 [ 7514.841897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7514.841897][ T7704] [ 7514.844173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7514.844173][ T7704] netdev_get_by_index+0x5e/0x80 [ 7514.844173][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7514.844173][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7514.844173][ T7704] ip6_route_add+0x1c/0x140 [ 7514.844173][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7514.844173][ T7704] addrconf_add_dev+0xe2/0x170 [ 7514.844173][ T7704] inet6_addr_add+0x12f/0xa40 [ 7514.844173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7514.844173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7514.844173][ T7704] netlink_rcv_skb+0x130/0x360 [ 7514.844173][ T7704] netlink_unicast+0x449/0x710 [ 7514.844173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7514.844173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7514.844173][ T7704] ___sys_sendmsg+0xee/0x170 [ 7514.844173][ T7704] __sys_sendmsg+0xcd/0x170 [ 7514.844173][ T7704] do_syscall_64+0xc6/0x1e0 [ 7514.844173][ T7704] [ 7514.846430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7514.846430][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7514.846430][ T7704] ipv6_find_idev+0x102/0x170 [ 7514.846430][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7514.846430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7514.846430][ T7704] netlink_rcv_skb+0x130/0x360 [ 7514.846430][ T7704] netlink_unicast+0x449/0x710 [ 7514.846430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7514.846430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7514.846430][ T7704] ___sys_sendmsg+0xee/0x170 [ 7514.846430][ T7704] __sys_sendmsg+0xcd/0x170 [ 7514.846430][ T7704] do_syscall_64+0xc6/0x1e0 [ 7514.846430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7514.846430][ T7704] [ 7514.848167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7514.848167][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7514.848167][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7514.848167][ T7704] ipv6_find_idev+0x102/0x170 [ 7514.848167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7514.848167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7514.848167][ T7704] netlink_rcv_skb+0x130/0x360 [ 7514.848167][ T7704] netlink_unicast+0x449/0x710 [ 7514.848167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7514.848167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7514.848167][ T7704] ___sys_sendmsg+0xee/0x170 [ 7514.848167][ T7704] __sys_sendmsg+0xcd/0x170 [ 7514.848167][ T7704] do_syscall_64+0xc6/0x1e0 [ 7514.848167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7514.848167][ T7704] [ 7525.086868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7525.087428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7525.087428][ T7704] netdev_get_by_index+0x5e/0x80 [ 7525.087428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7525.087428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7525.087428][ T7704] ip6_route_add+0x1c/0x140 [ 7525.087428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7525.087428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7525.087428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7525.087428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7525.087428][ T7704] netlink_rcv_skb+0x130/0x360 [ 7525.087428][ T7704] netlink_unicast+0x449/0x710 [ 7525.087428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7525.087428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7525.087428][ T7704] ___sys_sendmsg+0xee/0x170 [ 7525.087428][ T7704] __sys_sendmsg+0xcd/0x170 [ 7525.087428][ T7704] do_syscall_64+0xc6/0x1e0 [ 7525.087428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7525.087428][ T7704] [ 7525.089741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7525.089741][ T7704] netdev_get_by_index+0x5e/0x80 [ 7525.089741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7525.089741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7525.089741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7525.089741][ T7704] ipv6_add_addr+0x411/0x2000 [ 7525.089741][ T7704] inet6_addr_add+0x30e/0xa40 [ 7525.089741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7525.089741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7525.089741][ T7704] netlink_rcv_skb+0x130/0x360 [ 7525.089741][ T7704] netlink_unicast+0x449/0x710 [ 7525.089741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7525.089741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7525.089741][ T7704] ___sys_sendmsg+0xee/0x170 [ 7525.089741][ T7704] __sys_sendmsg+0xcd/0x170 [ 7525.089741][ T7704] do_syscall_64+0xc6/0x1e0 [ 7525.089741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7525.089741][ T7704] [ 7525.092017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7525.092017][ T7704] netdev_get_by_index+0x5e/0x80 [ 7525.092017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7525.092017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7525.092017][ T7704] ip6_route_add+0x1c/0x140 [ 7525.092017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7525.092017][ T7704] addrconf_add_dev+0xe2/0x170 [ 7525.092017][ T7704] inet6_addr_add+0x12f/0xa40 [ 7525.092017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7525.092017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7525.092017][ T7704] netlink_rcv_skb+0x130/0x360 [ 7525.092017][ T7704] netlink_unicast+0x449/0x710 [ 7525.092017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7525.092017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7525.092017][ T7704] ___sys_sendmsg+0xee/0x170 [ 7525.092017][ T7704] __sys_sendmsg+0xcd/0x170 [ 7525.092017][ T7704] do_syscall_64+0xc6/0x1e0 [ 7525.092017][ T7704] [ 7525.094264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7525.094264][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7525.094264][ T7704] ipv6_find_idev+0x102/0x170 [ 7525.094264][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7525.094264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7525.094264][ T7704] netlink_rcv_skb+0x130/0x360 [ 7525.094264][ T7704] netlink_unicast+0x449/0x710 [ 7525.094264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7525.094264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7525.094264][ T7704] ___sys_sendmsg+0xee/0x170 [ 7525.094264][ T7704] __sys_sendmsg+0xcd/0x170 [ 7525.094264][ T7704] do_syscall_64+0xc6/0x1e0 [ 7525.094264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7525.094264][ T7704] [ 7525.096028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7525.096028][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7525.096028][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7525.096028][ T7704] ipv6_find_idev+0x102/0x170 [ 7525.096028][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7525.096028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7525.096028][ T7704] netlink_rcv_skb+0x130/0x360 [ 7525.096028][ T7704] netlink_unicast+0x449/0x710 [ 7525.096028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7525.096028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7525.096028][ T7704] ___sys_sendmsg+0xee/0x170 [ 7525.096028][ T7704] __sys_sendmsg+0xcd/0x170 [ 7525.096028][ T7704] do_syscall_64+0xc6/0x1e0 [ 7525.096028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7525.096028][ T7704] [ 7535.334954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7535.335704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7535.335704][ T7704] netdev_get_by_index+0x5e/0x80 [ 7535.335704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7535.335704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7535.335704][ T7704] ip6_route_add+0x1c/0x140 [ 7535.335704][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7535.335704][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7535.335704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7535.335704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7535.335704][ T7704] netlink_rcv_skb+0x130/0x360 [ 7535.335704][ T7704] netlink_unicast+0x449/0x710 [ 7535.335704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7535.335704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7535.335704][ T7704] ___sys_sendmsg+0xee/0x170 [ 7535.335704][ T7704] __sys_sendmsg+0xcd/0x170 [ 7535.335704][ T7704] do_syscall_64+0xc6/0x1e0 [ 7535.335704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7535.335704][ T7704] [ 7535.338270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7535.338270][ T7704] netdev_get_by_index+0x5e/0x80 [ 7535.338270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7535.338270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7535.338270][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7535.338270][ T7704] ipv6_add_addr+0x411/0x2000 [ 7535.338270][ T7704] inet6_addr_add+0x30e/0xa40 [ 7535.338270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7535.338270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7535.338270][ T7704] netlink_rcv_skb+0x130/0x360 [ 7535.338270][ T7704] netlink_unicast+0x449/0x710 [ 7535.338270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7535.338270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7535.338270][ T7704] ___sys_sendmsg+0xee/0x170 [ 7535.338270][ T7704] __sys_sendmsg+0xcd/0x170 [ 7535.338270][ T7704] do_syscall_64+0xc6/0x1e0 [ 7535.338270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7535.338270][ T7704] [ 7535.340601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7535.340601][ T7704] netdev_get_by_index+0x5e/0x80 [ 7535.340601][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7535.340601][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7535.340601][ T7704] ip6_route_add+0x1c/0x140 [ 7535.340601][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7535.340601][ T7704] addrconf_add_dev+0xe2/0x170 [ 7535.340601][ T7704] inet6_addr_add+0x12f/0xa40 [ 7535.340601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7535.340601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7535.340601][ T7704] netlink_rcv_skb+0x130/0x360 [ 7535.340601][ T7704] netlink_unicast+0x449/0x710 [ 7535.340601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7535.340601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7535.340601][ T7704] ___sys_sendmsg+0xee/0x170 [ 7535.340601][ T7704] __sys_sendmsg+0xcd/0x170 [ 7535.340601][ T7704] do_syscall_64+0xc6/0x1e0 [ 7535.340601][ T7704] [ 7535.342839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7535.342839][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7535.342839][ T7704] ipv6_find_idev+0x102/0x170 [ 7535.342839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7535.342839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7535.342839][ T7704] netlink_rcv_skb+0x130/0x360 [ 7535.342839][ T7704] netlink_unicast+0x449/0x710 [ 7535.342839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7535.342839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7535.342839][ T7704] ___sys_sendmsg+0xee/0x170 [ 7535.342839][ T7704] __sys_sendmsg+0xcd/0x170 [ 7535.342839][ T7704] do_syscall_64+0xc6/0x1e0 [ 7535.342839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7535.342839][ T7704] [ 7535.344863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7535.344863][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7535.344863][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7535.344863][ T7704] ipv6_find_idev+0x102/0x170 [ 7535.344863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7535.344863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7535.344863][ T7704] netlink_rcv_skb+0x130/0x360 [ 7535.344863][ T7704] netlink_unicast+0x449/0x710 [ 7535.344863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7535.344863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7535.344863][ T7704] ___sys_sendmsg+0xee/0x170 [ 7535.344863][ T7704] __sys_sendmsg+0xcd/0x170 [ 7535.344863][ T7704] do_syscall_64+0xc6/0x1e0 [ 7535.344863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7535.344863][ T7704] [ 7545.382952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7545.383496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7545.383496][ T7704] netdev_get_by_index+0x5e/0x80 [ 7545.383496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7545.383496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7545.383496][ T7704] ip6_route_add+0x1c/0x140 [ 7545.383496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7545.383496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7545.383496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7545.383496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7545.383496][ T7704] netlink_rcv_skb+0x130/0x360 [ 7545.383496][ T7704] netlink_unicast+0x449/0x710 [ 7545.383496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7545.383496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7545.383496][ T7704] ___sys_sendmsg+0xee/0x170 [ 7545.383496][ T7704] __sys_sendmsg+0xcd/0x170 [ 7545.383496][ T7704] do_syscall_64+0xc6/0x1e0 [ 7545.383496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7545.383496][ T7704] [ 7545.385790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7545.385790][ T7704] netdev_get_by_index+0x5e/0x80 [ 7545.385790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7545.385790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7545.385790][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7545.385790][ T7704] ipv6_add_addr+0x411/0x2000 [ 7545.385790][ T7704] inet6_addr_add+0x30e/0xa40 [ 7545.385790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7545.385790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7545.385790][ T7704] netlink_rcv_skb+0x130/0x360 [ 7545.385790][ T7704] netlink_unicast+0x449/0x710 [ 7545.385790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7545.385790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7545.385790][ T7704] ___sys_sendmsg+0xee/0x170 [ 7545.385790][ T7704] __sys_sendmsg+0xcd/0x170 [ 7545.385790][ T7704] do_syscall_64+0xc6/0x1e0 [ 7545.385790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7545.385790][ T7704] [ 7545.388054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7545.388054][ T7704] netdev_get_by_index+0x5e/0x80 [ 7545.388054][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7545.388054][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7545.388054][ T7704] ip6_route_add+0x1c/0x140 [ 7545.388054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7545.388054][ T7704] addrconf_add_dev+0xe2/0x170 [ 7545.388054][ T7704] inet6_addr_add+0x12f/0xa40 [ 7545.388054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7545.388054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7545.388054][ T7704] netlink_rcv_skb+0x130/0x360 [ 7545.388054][ T7704] netlink_unicast+0x449/0x710 [ 7545.388054][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7545.388054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7545.388054][ T7704] ___sys_sendmsg+0xee/0x170 [ 7545.388054][ T7704] __sys_sendmsg+0xcd/0x170 [ 7545.388054][ T7704] do_syscall_64+0xc6/0x1e0 [ 7545.388054][ T7704] [ 7545.390268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7545.390268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7545.390268][ T7704] ipv6_find_idev+0x102/0x170 [ 7545.390268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7545.390268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7545.390268][ T7704] netlink_rcv_skb+0x130/0x360 [ 7545.390268][ T7704] netlink_unicast+0x449/0x710 [ 7545.390268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7545.390268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7545.390268][ T7704] ___sys_sendmsg+0xee/0x170 [ 7545.390268][ T7704] __sys_sendmsg+0xcd/0x170 [ 7545.390268][ T7704] do_syscall_64+0xc6/0x1e0 [ 7545.390268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7545.390268][ T7704] [ 7545.391997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7545.391997][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7545.391997][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7545.391997][ T7704] ipv6_find_idev+0x102/0x170 [ 7545.391997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7545.391997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7545.391997][ T7704] netlink_rcv_skb+0x130/0x360 [ 7545.391997][ T7704] netlink_unicast+0x449/0x710 [ 7545.391997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7545.391997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7545.391997][ T7704] ___sys_sendmsg+0xee/0x170 [ 7545.391997][ T7704] __sys_sendmsg+0xcd/0x170 [ 7545.391997][ T7704] do_syscall_64+0xc6/0x1e0 [ 7545.391997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7545.391997][ T7704] [ 7555.446965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7555.447470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7555.447470][ T7704] netdev_get_by_index+0x5e/0x80 [ 7555.447470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7555.447470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7555.447470][ T7704] ip6_route_add+0x1c/0x140 [ 7555.447470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7555.447470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7555.447470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7555.447470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7555.447470][ T7704] netlink_rcv_skb+0x130/0x360 [ 7555.447470][ T7704] netlink_unicast+0x449/0x710 [ 7555.447470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7555.447470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7555.447470][ T7704] ___sys_sendmsg+0xee/0x170 [ 7555.447470][ T7704] __sys_sendmsg+0xcd/0x170 [ 7555.447470][ T7704] do_syscall_64+0xc6/0x1e0 [ 7555.447470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7555.447470][ T7704] [ 7555.449719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7555.449719][ T7704] netdev_get_by_index+0x5e/0x80 [ 7555.449719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7555.449719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7555.449719][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7555.449719][ T7704] ipv6_add_addr+0x411/0x2000 [ 7555.449719][ T7704] inet6_addr_add+0x30e/0xa40 [ 7555.449719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7555.449719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7555.449719][ T7704] netlink_rcv_skb+0x130/0x360 [ 7555.449719][ T7704] netlink_unicast+0x449/0x710 [ 7555.449719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7555.449719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7555.449719][ T7704] ___sys_sendmsg+0xee/0x170 [ 7555.449719][ T7704] __sys_sendmsg+0xcd/0x170 [ 7555.449719][ T7704] do_syscall_64+0xc6/0x1e0 [ 7555.449719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7555.449719][ T7704] [ 7555.451941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7555.451941][ T7704] netdev_get_by_index+0x5e/0x80 [ 7555.451941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7555.451941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7555.451941][ T7704] ip6_route_add+0x1c/0x140 [ 7555.451941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7555.451941][ T7704] addrconf_add_dev+0xe2/0x170 [ 7555.451941][ T7704] inet6_addr_add+0x12f/0xa40 [ 7555.451941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7555.451941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7555.451941][ T7704] netlink_rcv_skb+0x130/0x360 [ 7555.451941][ T7704] netlink_unicast+0x449/0x710 [ 7555.451941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7555.451941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7555.451941][ T7704] ___sys_sendmsg+0xee/0x170 [ 7555.451941][ T7704] __sys_sendmsg+0xcd/0x170 [ 7555.451941][ T7704] do_syscall_64+0xc6/0x1e0 [ 7555.451941][ T7704] [ 7555.454125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7555.454125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7555.454125][ T7704] ipv6_find_idev+0x102/0x170 [ 7555.454125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7555.454125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7555.454125][ T7704] netlink_rcv_skb+0x130/0x360 [ 7555.454125][ T7704] netlink_unicast+0x449/0x710 [ 7555.454125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7555.454125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7555.454125][ T7704] ___sys_sendmsg+0xee/0x170 [ 7555.454125][ T7704] __sys_sendmsg+0xcd/0x170 [ 7555.454125][ T7704] do_syscall_64+0xc6/0x1e0 [ 7555.454125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7555.454125][ T7704] [ 7555.455842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7555.455842][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7555.455842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7555.455842][ T7704] ipv6_find_idev+0x102/0x170 [ 7555.455842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7555.455842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7555.455842][ T7704] netlink_rcv_skb+0x130/0x360 [ 7555.455842][ T7704] netlink_unicast+0x449/0x710 [ 7555.455842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7555.455842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7555.455842][ T7704] ___sys_sendmsg+0xee/0x170 [ 7555.455842][ T7704] __sys_sendmsg+0xcd/0x170 [ 7555.455842][ T7704] do_syscall_64+0xc6/0x1e0 [ 7555.455842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7555.455842][ T7704] [ 7565.694885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7565.695391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7565.695391][ T7704] netdev_get_by_index+0x5e/0x80 [ 7565.695391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7565.695391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7565.695391][ T7704] ip6_route_add+0x1c/0x140 [ 7565.695391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7565.695391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7565.695391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7565.695391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7565.695391][ T7704] netlink_rcv_skb+0x130/0x360 [ 7565.695391][ T7704] netlink_unicast+0x449/0x710 [ 7565.695391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7565.695391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7565.695391][ T7704] ___sys_sendmsg+0xee/0x170 [ 7565.695391][ T7704] __sys_sendmsg+0xcd/0x170 [ 7565.695391][ T7704] do_syscall_64+0xc6/0x1e0 [ 7565.695391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7565.695391][ T7704] [ 7565.697662][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7565.697662][ T7704] netdev_get_by_index+0x5e/0x80 [ 7565.697662][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7565.697662][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7565.697662][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7565.697662][ T7704] ipv6_add_addr+0x411/0x2000 [ 7565.697662][ T7704] inet6_addr_add+0x30e/0xa40 [ 7565.697662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7565.697662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7565.697662][ T7704] netlink_rcv_skb+0x130/0x360 [ 7565.697662][ T7704] netlink_unicast+0x449/0x710 [ 7565.697662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7565.697662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7565.697662][ T7704] ___sys_sendmsg+0xee/0x170 [ 7565.697662][ T7704] __sys_sendmsg+0xcd/0x170 [ 7565.697662][ T7704] do_syscall_64+0xc6/0x1e0 [ 7565.697662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7565.697662][ T7704] [ 7565.699901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7565.699901][ T7704] netdev_get_by_index+0x5e/0x80 [ 7565.699901][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7565.699901][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7565.699901][ T7704] ip6_route_add+0x1c/0x140 [ 7565.699901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7565.699901][ T7704] addrconf_add_dev+0xe2/0x170 [ 7565.699901][ T7704] inet6_addr_add+0x12f/0xa40 [ 7565.699901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7565.699901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7565.699901][ T7704] netlink_rcv_skb+0x130/0x360 [ 7565.699901][ T7704] netlink_unicast+0x449/0x710 [ 7565.699901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7565.699901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7565.699901][ T7704] ___sys_sendmsg+0xee/0x170 [ 7565.699901][ T7704] __sys_sendmsg+0xcd/0x170 [ 7565.699901][ T7704] do_syscall_64+0xc6/0x1e0 [ 7565.699901][ T7704] [ 7565.702096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7565.702096][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7565.702096][ T7704] ipv6_find_idev+0x102/0x170 [ 7565.702096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7565.702096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7565.702096][ T7704] netlink_rcv_skb+0x130/0x360 [ 7565.702096][ T7704] netlink_unicast+0x449/0x710 [ 7565.702096][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7565.702096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7565.702096][ T7704] ___sys_sendmsg+0xee/0x170 [ 7565.702096][ T7704] __sys_sendmsg+0xcd/0x170 [ 7565.702096][ T7704] do_syscall_64+0xc6/0x1e0 [ 7565.702096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7565.702096][ T7704] [ 7565.703806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7565.703806][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7565.703806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7565.703806][ T7704] ipv6_find_idev+0x102/0x170 [ 7565.703806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7565.703806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7565.703806][ T7704] netlink_rcv_skb+0x130/0x360 [ 7565.703806][ T7704] netlink_unicast+0x449/0x710 [ 7565.703806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7565.703806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7565.703806][ T7704] ___sys_sendmsg+0xee/0x170 [ 7565.703806][ T7704] __sys_sendmsg+0xcd/0x170 [ 7565.703806][ T7704] do_syscall_64+0xc6/0x1e0 [ 7565.703806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7565.703806][ T7704] [ 7575.942966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7575.943484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7575.943484][ T7704] netdev_get_by_index+0x5e/0x80 [ 7575.943484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7575.943484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7575.943484][ T7704] ip6_route_add+0x1c/0x140 [ 7575.943484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7575.943484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7575.943484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7575.943484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7575.943484][ T7704] netlink_rcv_skb+0x130/0x360 [ 7575.943484][ T7704] netlink_unicast+0x449/0x710 [ 7575.943484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7575.943484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7575.943484][ T7704] ___sys_sendmsg+0xee/0x170 [ 7575.943484][ T7704] __sys_sendmsg+0xcd/0x170 [ 7575.943484][ T7704] do_syscall_64+0xc6/0x1e0 [ 7575.943484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7575.943484][ T7704] [ 7575.945753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7575.945753][ T7704] netdev_get_by_index+0x5e/0x80 [ 7575.945753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7575.945753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7575.945753][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7575.945753][ T7704] ipv6_add_addr+0x411/0x2000 [ 7575.945753][ T7704] inet6_addr_add+0x30e/0xa40 [ 7575.945753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7575.945753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7575.945753][ T7704] netlink_rcv_skb+0x130/0x360 [ 7575.945753][ T7704] netlink_unicast+0x449/0x710 [ 7575.945753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7575.945753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7575.945753][ T7704] ___sys_sendmsg+0xee/0x170 [ 7575.945753][ T7704] __sys_sendmsg+0xcd/0x170 [ 7575.945753][ T7704] do_syscall_64+0xc6/0x1e0 [ 7575.945753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7575.945753][ T7704] [ 7575.947982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7575.947982][ T7704] netdev_get_by_index+0x5e/0x80 [ 7575.947982][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7575.947982][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7575.947982][ T7704] ip6_route_add+0x1c/0x140 [ 7575.947982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7575.947982][ T7704] addrconf_add_dev+0xe2/0x170 [ 7575.947982][ T7704] inet6_addr_add+0x12f/0xa40 [ 7575.947982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7575.947982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7575.947982][ T7704] netlink_rcv_skb+0x130/0x360 [ 7575.947982][ T7704] netlink_unicast+0x449/0x710 [ 7575.947982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7575.947982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7575.947982][ T7704] ___sys_sendmsg+0xee/0x170 [ 7575.947982][ T7704] __sys_sendmsg+0xcd/0x170 [ 7575.947982][ T7704] do_syscall_64+0xc6/0x1e0 [ 7575.947982][ T7704] [ 7575.950175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7575.950175][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7575.950175][ T7704] ipv6_find_idev+0x102/0x170 [ 7575.950175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7575.950175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7575.950175][ T7704] netlink_rcv_skb+0x130/0x360 [ 7575.950175][ T7704] netlink_unicast+0x449/0x710 [ 7575.950175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7575.950175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7575.950175][ T7704] ___sys_sendmsg+0xee/0x170 [ 7575.950175][ T7704] __sys_sendmsg+0xcd/0x170 [ 7575.950175][ T7704] do_syscall_64+0xc6/0x1e0 [ 7575.950175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7575.950175][ T7704] [ 7575.951895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7575.951895][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7575.951895][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7575.951895][ T7704] ipv6_find_idev+0x102/0x170 [ 7575.951895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7575.951895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7575.951895][ T7704] netlink_rcv_skb+0x130/0x360 [ 7575.951895][ T7704] netlink_unicast+0x449/0x710 [ 7575.951895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7575.951895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7575.951895][ T7704] ___sys_sendmsg+0xee/0x170 [ 7575.951895][ T7704] __sys_sendmsg+0xcd/0x170 [ 7575.951895][ T7704] do_syscall_64+0xc6/0x1e0 [ 7575.951895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7575.951895][ T7704] [ 7586.190952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7586.191458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7586.191458][ T7704] netdev_get_by_index+0x5e/0x80 [ 7586.191458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7586.191458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7586.191458][ T7704] ip6_route_add+0x1c/0x140 [ 7586.191458][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7586.191458][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7586.191458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7586.191458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7586.191458][ T7704] netlink_rcv_skb+0x130/0x360 [ 7586.191458][ T7704] netlink_unicast+0x449/0x710 [ 7586.191458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7586.191458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7586.191458][ T7704] ___sys_sendmsg+0xee/0x170 [ 7586.191458][ T7704] __sys_sendmsg+0xcd/0x170 [ 7586.191458][ T7704] do_syscall_64+0xc6/0x1e0 [ 7586.191458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7586.191458][ T7704] [ 7586.193712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7586.193712][ T7704] netdev_get_by_index+0x5e/0x80 [ 7586.193712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7586.193712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7586.193712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7586.193712][ T7704] ipv6_add_addr+0x411/0x2000 [ 7586.193712][ T7704] inet6_addr_add+0x30e/0xa40 [ 7586.193712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7586.193712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7586.193712][ T7704] netlink_rcv_skb+0x130/0x360 [ 7586.193712][ T7704] netlink_unicast+0x449/0x710 [ 7586.193712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7586.193712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7586.193712][ T7704] ___sys_sendmsg+0xee/0x170 [ 7586.193712][ T7704] __sys_sendmsg+0xcd/0x170 [ 7586.193712][ T7704] do_syscall_64+0xc6/0x1e0 [ 7586.193712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7586.193712][ T7704] [ 7586.195950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7586.195950][ T7704] netdev_get_by_index+0x5e/0x80 [ 7586.195950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7586.195950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7586.195950][ T7704] ip6_route_add+0x1c/0x140 [ 7586.195950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7586.195950][ T7704] addrconf_add_dev+0xe2/0x170 [ 7586.195950][ T7704] inet6_addr_add+0x12f/0xa40 [ 7586.195950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7586.195950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7586.195950][ T7704] netlink_rcv_skb+0x130/0x360 [ 7586.195950][ T7704] netlink_unicast+0x449/0x710 [ 7586.195950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7586.195950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7586.195950][ T7704] ___sys_sendmsg+0xee/0x170 [ 7586.195950][ T7704] __sys_sendmsg+0xcd/0x170 [ 7586.195950][ T7704] do_syscall_64+0xc6/0x1e0 [ 7586.195950][ T7704] [ 7586.198135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7586.198135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7586.198135][ T7704] ipv6_find_idev+0x102/0x170 [ 7586.198135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7586.198135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7586.198135][ T7704] netlink_rcv_skb+0x130/0x360 [ 7586.198135][ T7704] netlink_unicast+0x449/0x710 [ 7586.198135][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7586.198135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7586.198135][ T7704] ___sys_sendmsg+0xee/0x170 [ 7586.198135][ T7704] __sys_sendmsg+0xcd/0x170 [ 7586.198135][ T7704] do_syscall_64+0xc6/0x1e0 [ 7586.198135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7586.198135][ T7704] [ 7586.199841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7586.199841][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7586.199841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7586.199841][ T7704] ipv6_find_idev+0x102/0x170 [ 7586.199841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7586.199841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7586.199841][ T7704] netlink_rcv_skb+0x130/0x360 [ 7586.199841][ T7704] netlink_unicast+0x449/0x710 [ 7586.199841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7586.199841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7586.199841][ T7704] ___sys_sendmsg+0xee/0x170 [ 7586.199841][ T7704] __sys_sendmsg+0xcd/0x170 [ 7586.199841][ T7704] do_syscall_64+0xc6/0x1e0 [ 7586.199841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7586.199841][ T7704] [ 7596.438950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7596.439447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7596.439447][ T7704] netdev_get_by_index+0x5e/0x80 [ 7596.439447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7596.439447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7596.439447][ T7704] ip6_route_add+0x1c/0x140 [ 7596.439447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7596.439447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7596.439447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7596.439447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7596.439447][ T7704] netlink_rcv_skb+0x130/0x360 [ 7596.439447][ T7704] netlink_unicast+0x449/0x710 [ 7596.439447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7596.439447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7596.439447][ T7704] ___sys_sendmsg+0xee/0x170 [ 7596.439447][ T7704] __sys_sendmsg+0xcd/0x170 [ 7596.439447][ T7704] do_syscall_64+0xc6/0x1e0 [ 7596.439447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7596.439447][ T7704] [ 7596.442242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7596.442242][ T7704] netdev_get_by_index+0x5e/0x80 [ 7596.442242][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7596.442242][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7596.442242][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7596.442242][ T7704] ipv6_add_addr+0x411/0x2000 [ 7596.442242][ T7704] inet6_addr_add+0x30e/0xa40 [ 7596.442242][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7596.442242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7596.442242][ T7704] netlink_rcv_skb+0x130/0x360 [ 7596.442242][ T7704] netlink_unicast+0x449/0x710 [ 7596.442242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7596.442242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7596.442242][ T7704] ___sys_sendmsg+0xee/0x170 [ 7596.442242][ T7704] __sys_sendmsg+0xcd/0x170 [ 7596.442242][ T7704] do_syscall_64+0xc6/0x1e0 [ 7596.442242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7596.442242][ T7704] [ 7596.444488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7596.444488][ T7704] netdev_get_by_index+0x5e/0x80 [ 7596.444488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7596.444488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7596.444488][ T7704] ip6_route_add+0x1c/0x140 [ 7596.444488][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7596.444488][ T7704] addrconf_add_dev+0xe2/0x170 [ 7596.444488][ T7704] inet6_addr_add+0x12f/0xa40 [ 7596.444488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7596.444488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7596.444488][ T7704] netlink_rcv_skb+0x130/0x360 [ 7596.444488][ T7704] netlink_unicast+0x449/0x710 [ 7596.444488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7596.444488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7596.444488][ T7704] ___sys_sendmsg+0xee/0x170 [ 7596.444488][ T7704] __sys_sendmsg+0xcd/0x170 [ 7596.444488][ T7704] do_syscall_64+0xc6/0x1e0 [ 7596.444488][ T7704] [ 7596.447064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7596.447064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7596.447064][ T7704] ipv6_find_idev+0x102/0x170 [ 7596.447064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7596.447064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7596.447064][ T7704] netlink_rcv_skb+0x130/0x360 [ 7596.447064][ T7704] netlink_unicast+0x449/0x710 [ 7596.447064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7596.447064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7596.447064][ T7704] ___sys_sendmsg+0xee/0x170 [ 7596.447064][ T7704] __sys_sendmsg+0xcd/0x170 [ 7596.447064][ T7704] do_syscall_64+0xc6/0x1e0 [ 7596.447064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7596.447064][ T7704] [ 7596.448768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7596.448768][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7596.448768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7596.448768][ T7704] ipv6_find_idev+0x102/0x170 [ 7596.448768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7596.448768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7596.448768][ T7704] netlink_rcv_skb+0x130/0x360 [ 7596.448768][ T7704] netlink_unicast+0x449/0x710 [ 7596.448768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7596.448768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7596.448768][ T7704] ___sys_sendmsg+0xee/0x170 [ 7596.448768][ T7704] __sys_sendmsg+0xcd/0x170 [ 7596.448768][ T7704] do_syscall_64+0xc6/0x1e0 [ 7596.448768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7596.448768][ T7704] [ 7606.687000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7606.687520][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7606.687520][ T7704] netdev_get_by_index+0x5e/0x80 [ 7606.687520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7606.687520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7606.687520][ T7704] ip6_route_add+0x1c/0x140 [ 7606.687520][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7606.687520][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7606.687520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7606.687520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7606.687520][ T7704] netlink_rcv_skb+0x130/0x360 [ 7606.687520][ T7704] netlink_unicast+0x449/0x710 [ 7606.687520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7606.687520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7606.687520][ T7704] ___sys_sendmsg+0xee/0x170 [ 7606.687520][ T7704] __sys_sendmsg+0xcd/0x170 [ 7606.687520][ T7704] do_syscall_64+0xc6/0x1e0 [ 7606.687520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7606.687520][ T7704] [ 7606.689762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7606.689762][ T7704] netdev_get_by_index+0x5e/0x80 [ 7606.689762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7606.689762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7606.689762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7606.689762][ T7704] ipv6_add_addr+0x411/0x2000 [ 7606.689762][ T7704] inet6_addr_add+0x30e/0xa40 [ 7606.689762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7606.689762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7606.689762][ T7704] netlink_rcv_skb+0x130/0x360 [ 7606.689762][ T7704] netlink_unicast+0x449/0x710 [ 7606.689762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7606.689762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7606.689762][ T7704] ___sys_sendmsg+0xee/0x170 [ 7606.689762][ T7704] __sys_sendmsg+0xcd/0x170 [ 7606.689762][ T7704] do_syscall_64+0xc6/0x1e0 [ 7606.689762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7606.689762][ T7704] [ 7606.691985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7606.691985][ T7704] netdev_get_by_index+0x5e/0x80 [ 7606.691985][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7606.691985][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7606.691985][ T7704] ip6_route_add+0x1c/0x140 [ 7606.691985][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7606.691985][ T7704] addrconf_add_dev+0xe2/0x170 [ 7606.691985][ T7704] inet6_addr_add+0x12f/0xa40 [ 7606.691985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7606.691985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7606.691985][ T7704] netlink_rcv_skb+0x130/0x360 [ 7606.691985][ T7704] netlink_unicast+0x449/0x710 [ 7606.691985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7606.691985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7606.691985][ T7704] ___sys_sendmsg+0xee/0x170 [ 7606.691985][ T7704] __sys_sendmsg+0xcd/0x170 [ 7606.691985][ T7704] do_syscall_64+0xc6/0x1e0 [ 7606.691985][ T7704] [ 7606.694191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7606.694191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7606.694191][ T7704] ipv6_find_idev+0x102/0x170 [ 7606.694191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7606.694191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7606.694191][ T7704] netlink_rcv_skb+0x130/0x360 [ 7606.694191][ T7704] netlink_unicast+0x449/0x710 [ 7606.694191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7606.694191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7606.694191][ T7704] ___sys_sendmsg+0xee/0x170 [ 7606.694191][ T7704] __sys_sendmsg+0xcd/0x170 [ 7606.694191][ T7704] do_syscall_64+0xc6/0x1e0 [ 7606.694191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7606.694191][ T7704] [ 7606.695901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7606.695901][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7606.695901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7606.695901][ T7704] ipv6_find_idev+0x102/0x170 [ 7606.695901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7606.695901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7606.695901][ T7704] netlink_rcv_skb+0x130/0x360 [ 7606.695901][ T7704] netlink_unicast+0x449/0x710 [ 7606.695901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7606.695901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7606.695901][ T7704] ___sys_sendmsg+0xee/0x170 [ 7606.695901][ T7704] __sys_sendmsg+0xcd/0x170 [ 7606.695901][ T7704] do_syscall_64+0xc6/0x1e0 [ 7606.695901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7606.695901][ T7704] [ 7616.934874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7616.935396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7616.935396][ T7704] netdev_get_by_index+0x5e/0x80 [ 7616.935396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7616.935396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7616.935396][ T7704] ip6_route_add+0x1c/0x140 [ 7616.935396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7616.935396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7616.935396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7616.935396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7616.935396][ T7704] netlink_rcv_skb+0x130/0x360 [ 7616.935396][ T7704] netlink_unicast+0x449/0x710 [ 7616.935396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7616.935396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7616.935396][ T7704] ___sys_sendmsg+0xee/0x170 [ 7616.935396][ T7704] __sys_sendmsg+0xcd/0x170 [ 7616.935396][ T7704] do_syscall_64+0xc6/0x1e0 [ 7616.935396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7616.935396][ T7704] [ 7616.937651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7616.937651][ T7704] netdev_get_by_index+0x5e/0x80 [ 7616.937651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7616.937651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7616.937651][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7616.937651][ T7704] ipv6_add_addr+0x411/0x2000 [ 7616.937651][ T7704] inet6_addr_add+0x30e/0xa40 [ 7616.937651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7616.937651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7616.937651][ T7704] netlink_rcv_skb+0x130/0x360 [ 7616.937651][ T7704] netlink_unicast+0x449/0x710 [ 7616.937651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7616.937651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7616.937651][ T7704] ___sys_sendmsg+0xee/0x170 [ 7616.937651][ T7704] __sys_sendmsg+0xcd/0x170 [ 7616.937651][ T7704] do_syscall_64+0xc6/0x1e0 [ 7616.937651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7616.937651][ T7704] [ 7616.939882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7616.939882][ T7704] netdev_get_by_index+0x5e/0x80 [ 7616.939882][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7616.939882][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7616.939882][ T7704] ip6_route_add+0x1c/0x140 [ 7616.939882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7616.939882][ T7704] addrconf_add_dev+0xe2/0x170 [ 7616.939882][ T7704] inet6_addr_add+0x12f/0xa40 [ 7616.939882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7616.939882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7616.939882][ T7704] netlink_rcv_skb+0x130/0x360 [ 7616.939882][ T7704] netlink_unicast+0x449/0x710 [ 7616.939882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7616.939882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7616.939882][ T7704] ___sys_sendmsg+0xee/0x170 [ 7616.939882][ T7704] __sys_sendmsg+0xcd/0x170 [ 7616.939882][ T7704] do_syscall_64+0xc6/0x1e0 [ 7616.939882][ T7704] [ 7616.942066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7616.942066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7616.942066][ T7704] ipv6_find_idev+0x102/0x170 [ 7616.942066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7616.942066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7616.942066][ T7704] netlink_rcv_skb+0x130/0x360 [ 7616.942066][ T7704] netlink_unicast+0x449/0x710 [ 7616.942066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7616.942066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7616.942066][ T7704] ___sys_sendmsg+0xee/0x170 [ 7616.942066][ T7704] __sys_sendmsg+0xcd/0x170 [ 7616.942066][ T7704] do_syscall_64+0xc6/0x1e0 [ 7616.942066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7616.942066][ T7704] [ 7616.943767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7616.943767][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7616.943767][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7616.943767][ T7704] ipv6_find_idev+0x102/0x170 [ 7616.943767][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7616.943767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7616.943767][ T7704] netlink_rcv_skb+0x130/0x360 [ 7616.943767][ T7704] netlink_unicast+0x449/0x710 [ 7616.943767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7616.943767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7616.943767][ T7704] ___sys_sendmsg+0xee/0x170 [ 7616.943767][ T7704] __sys_sendmsg+0xcd/0x170 [ 7616.943767][ T7704] do_syscall_64+0xc6/0x1e0 [ 7616.943767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7616.943767][ T7704] [ 7627.183006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7627.183534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7627.183534][ T7704] netdev_get_by_index+0x5e/0x80 [ 7627.183534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7627.183534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7627.183534][ T7704] ip6_route_add+0x1c/0x140 [ 7627.183534][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7627.183534][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7627.183534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7627.183534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7627.183534][ T7704] netlink_rcv_skb+0x130/0x360 [ 7627.183534][ T7704] netlink_unicast+0x449/0x710 [ 7627.183534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7627.183534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7627.183534][ T7704] ___sys_sendmsg+0xee/0x170 [ 7627.183534][ T7704] __sys_sendmsg+0xcd/0x170 [ 7627.183534][ T7704] do_syscall_64+0xc6/0x1e0 [ 7627.183534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7627.183534][ T7704] [ 7627.185851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7627.185851][ T7704] netdev_get_by_index+0x5e/0x80 [ 7627.185851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7627.185851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7627.185851][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7627.185851][ T7704] ipv6_add_addr+0x411/0x2000 [ 7627.185851][ T7704] inet6_addr_add+0x30e/0xa40 [ 7627.185851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7627.185851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7627.185851][ T7704] netlink_rcv_skb+0x130/0x360 [ 7627.185851][ T7704] netlink_unicast+0x449/0x710 [ 7627.185851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7627.185851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7627.185851][ T7704] ___sys_sendmsg+0xee/0x170 [ 7627.185851][ T7704] __sys_sendmsg+0xcd/0x170 [ 7627.185851][ T7704] do_syscall_64+0xc6/0x1e0 [ 7627.185851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7627.185851][ T7704] [ 7627.188104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7627.188104][ T7704] netdev_get_by_index+0x5e/0x80 [ 7627.188104][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7627.188104][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7627.188104][ T7704] ip6_route_add+0x1c/0x140 [ 7627.188104][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7627.188104][ T7704] addrconf_add_dev+0xe2/0x170 [ 7627.188104][ T7704] inet6_addr_add+0x12f/0xa40 [ 7627.188104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7627.188104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7627.188104][ T7704] netlink_rcv_skb+0x130/0x360 [ 7627.188104][ T7704] netlink_unicast+0x449/0x710 [ 7627.188104][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7627.188104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7627.188104][ T7704] ___sys_sendmsg+0xee/0x170 [ 7627.188104][ T7704] __sys_sendmsg+0xcd/0x170 [ 7627.188104][ T7704] do_syscall_64+0xc6/0x1e0 [ 7627.188104][ T7704] [ 7627.190324][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7627.190324][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7627.190324][ T7704] ipv6_find_idev+0x102/0x170 [ 7627.190324][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7627.190324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7627.190324][ T7704] netlink_rcv_skb+0x130/0x360 [ 7627.190324][ T7704] netlink_unicast+0x449/0x710 [ 7627.190324][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7627.190324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7627.190324][ T7704] ___sys_sendmsg+0xee/0x170 [ 7627.190324][ T7704] __sys_sendmsg+0xcd/0x170 [ 7627.190324][ T7704] do_syscall_64+0xc6/0x1e0 [ 7627.190324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7627.190324][ T7704] [ 7627.192051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7627.192051][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7627.192051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7627.192051][ T7704] ipv6_find_idev+0x102/0x170 [ 7627.192051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7627.192051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7627.192051][ T7704] netlink_rcv_skb+0x130/0x360 [ 7627.192051][ T7704] netlink_unicast+0x449/0x710 [ 7627.192051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7627.192051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7627.192051][ T7704] ___sys_sendmsg+0xee/0x170 [ 7627.192051][ T7704] __sys_sendmsg+0xcd/0x170 [ 7627.192051][ T7704] do_syscall_64+0xc6/0x1e0 [ 7627.192051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7627.192051][ T7704] [ 7637.430960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7637.431482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7637.431482][ T7704] netdev_get_by_index+0x5e/0x80 [ 7637.431482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7637.431482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7637.431482][ T7704] ip6_route_add+0x1c/0x140 [ 7637.431482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7637.431482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7637.431482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7637.431482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7637.431482][ T7704] netlink_rcv_skb+0x130/0x360 [ 7637.431482][ T7704] netlink_unicast+0x449/0x710 [ 7637.431482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7637.431482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7637.431482][ T7704] ___sys_sendmsg+0xee/0x170 [ 7637.431482][ T7704] __sys_sendmsg+0xcd/0x170 [ 7637.431482][ T7704] do_syscall_64+0xc6/0x1e0 [ 7637.431482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7637.431482][ T7704] [ 7637.433797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7637.433797][ T7704] netdev_get_by_index+0x5e/0x80 [ 7637.433797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7637.433797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7637.433797][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7637.433797][ T7704] ipv6_add_addr+0x411/0x2000 [ 7637.433797][ T7704] inet6_addr_add+0x30e/0xa40 [ 7637.433797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7637.433797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7637.433797][ T7704] netlink_rcv_skb+0x130/0x360 [ 7637.433797][ T7704] netlink_unicast+0x449/0x710 [ 7637.433797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7637.433797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7637.433797][ T7704] ___sys_sendmsg+0xee/0x170 [ 7637.433797][ T7704] __sys_sendmsg+0xcd/0x170 [ 7637.433797][ T7704] do_syscall_64+0xc6/0x1e0 [ 7637.433797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7637.433797][ T7704] [ 7637.436061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7637.436061][ T7704] netdev_get_by_index+0x5e/0x80 [ 7637.436061][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7637.436061][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7637.436061][ T7704] ip6_route_add+0x1c/0x140 [ 7637.436061][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7637.436061][ T7704] addrconf_add_dev+0xe2/0x170 [ 7637.436061][ T7704] inet6_addr_add+0x12f/0xa40 [ 7637.436061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7637.436061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7637.436061][ T7704] netlink_rcv_skb+0x130/0x360 [ 7637.436061][ T7704] netlink_unicast+0x449/0x710 [ 7637.436061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7637.436061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7637.436061][ T7704] ___sys_sendmsg+0xee/0x170 [ 7637.436061][ T7704] __sys_sendmsg+0xcd/0x170 [ 7637.436061][ T7704] do_syscall_64+0xc6/0x1e0 [ 7637.436061][ T7704] [ 7637.438268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7637.438268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7637.438268][ T7704] ipv6_find_idev+0x102/0x170 [ 7637.438268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7637.438268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7637.438268][ T7704] netlink_rcv_skb+0x130/0x360 [ 7637.438268][ T7704] netlink_unicast+0x449/0x710 [ 7637.438268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7637.438268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7637.438268][ T7704] ___sys_sendmsg+0xee/0x170 [ 7637.438268][ T7704] __sys_sendmsg+0xcd/0x170 [ 7637.438268][ T7704] do_syscall_64+0xc6/0x1e0 [ 7637.438268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7637.438268][ T7704] [ 7637.439997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7637.439997][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7637.439997][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7637.439997][ T7704] ipv6_find_idev+0x102/0x170 [ 7637.439997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7637.439997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7637.439997][ T7704] netlink_rcv_skb+0x130/0x360 [ 7637.439997][ T7704] netlink_unicast+0x449/0x710 [ 7637.439997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7637.439997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7637.439997][ T7704] ___sys_sendmsg+0xee/0x170 [ 7637.439997][ T7704] __sys_sendmsg+0xcd/0x170 [ 7637.439997][ T7704] do_syscall_64+0xc6/0x1e0 [ 7637.439997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7637.439997][ T7704] [ 7647.550955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7647.551414][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7647.551414][ T7704] netdev_get_by_index+0x5e/0x80 [ 7647.551414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7647.551414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7647.551414][ T7704] ip6_route_add+0x1c/0x140 [ 7647.551414][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7647.551414][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7647.551414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7647.551414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7647.551414][ T7704] netlink_rcv_skb+0x130/0x360 [ 7647.551414][ T7704] netlink_unicast+0x449/0x710 [ 7647.551414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7647.551414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7647.551414][ T7704] ___sys_sendmsg+0xee/0x170 [ 7647.551414][ T7704] __sys_sendmsg+0xcd/0x170 [ 7647.551414][ T7704] do_syscall_64+0xc6/0x1e0 [ 7647.551414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7647.551414][ T7704] [ 7647.553679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7647.553679][ T7704] netdev_get_by_index+0x5e/0x80 [ 7647.553679][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7647.553679][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7647.553679][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7647.553679][ T7704] ipv6_add_addr+0x411/0x2000 [ 7647.553679][ T7704] inet6_addr_add+0x30e/0xa40 [ 7647.553679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7647.553679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7647.553679][ T7704] netlink_rcv_skb+0x130/0x360 [ 7647.553679][ T7704] netlink_unicast+0x449/0x710 [ 7647.553679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7647.553679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7647.553679][ T7704] ___sys_sendmsg+0xee/0x170 [ 7647.553679][ T7704] __sys_sendmsg+0xcd/0x170 [ 7647.553679][ T7704] do_syscall_64+0xc6/0x1e0 [ 7647.553679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7647.553679][ T7704] [ 7647.555911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7647.555911][ T7704] netdev_get_by_index+0x5e/0x80 [ 7647.555911][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7647.555911][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7647.555911][ T7704] ip6_route_add+0x1c/0x140 [ 7647.555911][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7647.555911][ T7704] addrconf_add_dev+0xe2/0x170 [ 7647.555911][ T7704] inet6_addr_add+0x12f/0xa40 [ 7647.555911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7647.555911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7647.555911][ T7704] netlink_rcv_skb+0x130/0x360 [ 7647.555911][ T7704] netlink_unicast+0x449/0x710 [ 7647.555911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7647.555911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7647.555911][ T7704] ___sys_sendmsg+0xee/0x170 [ 7647.555911][ T7704] __sys_sendmsg+0xcd/0x170 [ 7647.555911][ T7704] do_syscall_64+0xc6/0x1e0 [ 7647.555911][ T7704] [ 7647.558088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7647.558088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7647.558088][ T7704] ipv6_find_idev+0x102/0x170 [ 7647.558088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7647.558088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7647.558088][ T7704] netlink_rcv_skb+0x130/0x360 [ 7647.558088][ T7704] netlink_unicast+0x449/0x710 [ 7647.558088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7647.558088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7647.558088][ T7704] ___sys_sendmsg+0xee/0x170 [ 7647.558088][ T7704] __sys_sendmsg+0xcd/0x170 [ 7647.558088][ T7704] do_syscall_64+0xc6/0x1e0 [ 7647.558088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7647.558088][ T7704] [ 7647.559795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7647.559795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7647.559795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7647.559795][ T7704] ipv6_find_idev+0x102/0x170 [ 7647.559795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7647.559795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7647.559795][ T7704] netlink_rcv_skb+0x130/0x360 [ 7647.559795][ T7704] netlink_unicast+0x449/0x710 [ 7647.559795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7647.559795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7647.559795][ T7704] ___sys_sendmsg+0xee/0x170 [ 7647.559795][ T7704] __sys_sendmsg+0xcd/0x170 [ 7647.559795][ T7704] do_syscall_64+0xc6/0x1e0 [ 7647.559795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7647.559795][ T7704] [ 7657.662990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7657.663438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7657.663438][ T7704] netdev_get_by_index+0x5e/0x80 [ 7657.663438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7657.663438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7657.663438][ T7704] ip6_route_add+0x1c/0x140 [ 7657.663438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7657.663438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7657.663438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7657.663438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7657.663438][ T7704] netlink_rcv_skb+0x130/0x360 [ 7657.663438][ T7704] netlink_unicast+0x449/0x710 [ 7657.663438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7657.663438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7657.663438][ T7704] ___sys_sendmsg+0xee/0x170 [ 7657.663438][ T7704] __sys_sendmsg+0xcd/0x170 [ 7657.663438][ T7704] do_syscall_64+0xc6/0x1e0 [ 7657.663438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7657.663438][ T7704] [ 7657.665815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7657.665815][ T7704] netdev_get_by_index+0x5e/0x80 [ 7657.665815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7657.665815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7657.665815][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7657.665815][ T7704] ipv6_add_addr+0x411/0x2000 [ 7657.665815][ T7704] inet6_addr_add+0x30e/0xa40 [ 7657.665815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7657.665815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7657.665815][ T7704] netlink_rcv_skb+0x130/0x360 [ 7657.665815][ T7704] netlink_unicast+0x449/0x710 [ 7657.665815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7657.665815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7657.665815][ T7704] ___sys_sendmsg+0xee/0x170 [ 7657.665815][ T7704] __sys_sendmsg+0xcd/0x170 [ 7657.665815][ T7704] do_syscall_64+0xc6/0x1e0 [ 7657.665815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7657.665815][ T7704] [ 7657.668029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7657.668029][ T7704] netdev_get_by_index+0x5e/0x80 [ 7657.668029][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7657.668029][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7657.668029][ T7704] ip6_route_add+0x1c/0x140 [ 7657.668029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7657.668029][ T7704] addrconf_add_dev+0xe2/0x170 [ 7657.668029][ T7704] inet6_addr_add+0x12f/0xa40 [ 7657.668029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7657.668029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7657.668029][ T7704] netlink_rcv_skb+0x130/0x360 [ 7657.668029][ T7704] netlink_unicast+0x449/0x710 [ 7657.668029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7657.668029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7657.668029][ T7704] ___sys_sendmsg+0xee/0x170 [ 7657.668029][ T7704] __sys_sendmsg+0xcd/0x170 [ 7657.668029][ T7704] do_syscall_64+0xc6/0x1e0 [ 7657.668029][ T7704] [ 7657.670204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7657.670204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7657.670204][ T7704] ipv6_find_idev+0x102/0x170 [ 7657.670204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7657.670204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7657.670204][ T7704] netlink_rcv_skb+0x130/0x360 [ 7657.670204][ T7704] netlink_unicast+0x449/0x710 [ 7657.670204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7657.670204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7657.670204][ T7704] ___sys_sendmsg+0xee/0x170 [ 7657.670204][ T7704] __sys_sendmsg+0xcd/0x170 [ 7657.670204][ T7704] do_syscall_64+0xc6/0x1e0 [ 7657.670204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7657.670204][ T7704] [ 7657.671941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7657.671941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7657.671941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7657.671941][ T7704] ipv6_find_idev+0x102/0x170 [ 7657.671941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7657.671941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7657.671941][ T7704] netlink_rcv_skb+0x130/0x360 [ 7657.671941][ T7704] netlink_unicast+0x449/0x710 [ 7657.671941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7657.671941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7657.671941][ T7704] ___sys_sendmsg+0xee/0x170 [ 7657.671941][ T7704] __sys_sendmsg+0xcd/0x170 [ 7657.671941][ T7704] do_syscall_64+0xc6/0x1e0 [ 7657.671941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7657.671941][ T7704] [ 7667.727004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7667.727540][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7667.727540][ T7704] netdev_get_by_index+0x5e/0x80 [ 7667.727540][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7667.727540][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7667.727540][ T7704] ip6_route_add+0x1c/0x140 [ 7667.727540][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7667.727540][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7667.727540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7667.727540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7667.727540][ T7704] netlink_rcv_skb+0x130/0x360 [ 7667.727540][ T7704] netlink_unicast+0x449/0x710 [ 7667.727540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7667.727540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7667.727540][ T7704] ___sys_sendmsg+0xee/0x170 [ 7667.727540][ T7704] __sys_sendmsg+0xcd/0x170 [ 7667.727540][ T7704] do_syscall_64+0xc6/0x1e0 [ 7667.727540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7667.727540][ T7704] [ 7667.729816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7667.729816][ T7704] netdev_get_by_index+0x5e/0x80 [ 7667.729816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7667.729816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7667.729816][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7667.729816][ T7704] ipv6_add_addr+0x411/0x2000 [ 7667.729816][ T7704] inet6_addr_add+0x30e/0xa40 [ 7667.729816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7667.729816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7667.729816][ T7704] netlink_rcv_skb+0x130/0x360 [ 7667.729816][ T7704] netlink_unicast+0x449/0x710 [ 7667.729816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7667.729816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7667.729816][ T7704] ___sys_sendmsg+0xee/0x170 [ 7667.729816][ T7704] __sys_sendmsg+0xcd/0x170 [ 7667.729816][ T7704] do_syscall_64+0xc6/0x1e0 [ 7667.729816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7667.729816][ T7704] [ 7667.732038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7667.732038][ T7704] netdev_get_by_index+0x5e/0x80 [ 7667.732038][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7667.732038][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7667.732038][ T7704] ip6_route_add+0x1c/0x140 [ 7667.732038][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7667.732038][ T7704] addrconf_add_dev+0xe2/0x170 [ 7667.732038][ T7704] inet6_addr_add+0x12f/0xa40 [ 7667.732038][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7667.732038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7667.732038][ T7704] netlink_rcv_skb+0x130/0x360 [ 7667.732038][ T7704] netlink_unicast+0x449/0x710 [ 7667.732038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7667.732038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7667.732038][ T7704] ___sys_sendmsg+0xee/0x170 [ 7667.732038][ T7704] __sys_sendmsg+0xcd/0x170 [ 7667.732038][ T7704] do_syscall_64+0xc6/0x1e0 [ 7667.732038][ T7704] [ 7667.734234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7667.734234][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7667.734234][ T7704] ipv6_find_idev+0x102/0x170 [ 7667.734234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7667.734234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7667.734234][ T7704] netlink_rcv_skb+0x130/0x360 [ 7667.734234][ T7704] netlink_unicast+0x449/0x710 [ 7667.734234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7667.734234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7667.734234][ T7704] ___sys_sendmsg+0xee/0x170 [ 7667.734234][ T7704] __sys_sendmsg+0xcd/0x170 [ 7667.734234][ T7704] do_syscall_64+0xc6/0x1e0 [ 7667.734234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7667.734234][ T7704] [ 7667.735941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7667.735941][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7667.735941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7667.735941][ T7704] ipv6_find_idev+0x102/0x170 [ 7667.735941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7667.735941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7667.735941][ T7704] netlink_rcv_skb+0x130/0x360 [ 7667.735941][ T7704] netlink_unicast+0x449/0x710 [ 7667.735941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7667.735941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7667.735941][ T7704] ___sys_sendmsg+0xee/0x170 [ 7667.735941][ T7704] __sys_sendmsg+0xcd/0x170 [ 7667.735941][ T7704] do_syscall_64+0xc6/0x1e0 [ 7667.735941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7667.735941][ T7704] [ 7677.974882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7677.975426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7677.975426][ T7704] netdev_get_by_index+0x5e/0x80 [ 7677.975426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7677.975426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7677.975426][ T7704] ip6_route_add+0x1c/0x140 [ 7677.975426][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7677.975426][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7677.975426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7677.975426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7677.975426][ T7704] netlink_rcv_skb+0x130/0x360 [ 7677.975426][ T7704] netlink_unicast+0x449/0x710 [ 7677.975426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7677.975426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7677.975426][ T7704] ___sys_sendmsg+0xee/0x170 [ 7677.975426][ T7704] __sys_sendmsg+0xcd/0x170 [ 7677.975426][ T7704] do_syscall_64+0xc6/0x1e0 [ 7677.975426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7677.975426][ T7704] [ 7677.977728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7677.977728][ T7704] netdev_get_by_index+0x5e/0x80 [ 7677.977728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7677.977728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7677.977728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7677.977728][ T7704] ipv6_add_addr+0x411/0x2000 [ 7677.977728][ T7704] inet6_addr_add+0x30e/0xa40 [ 7677.977728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7677.977728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7677.977728][ T7704] netlink_rcv_skb+0x130/0x360 [ 7677.977728][ T7704] netlink_unicast+0x449/0x710 [ 7677.977728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7677.977728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7677.977728][ T7704] ___sys_sendmsg+0xee/0x170 [ 7677.977728][ T7704] __sys_sendmsg+0xcd/0x170 [ 7677.977728][ T7704] do_syscall_64+0xc6/0x1e0 [ 7677.977728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7677.977728][ T7704] [ 7677.979981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7677.979981][ T7704] netdev_get_by_index+0x5e/0x80 [ 7677.979981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7677.979981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7677.979981][ T7704] ip6_route_add+0x1c/0x140 [ 7677.979981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7677.979981][ T7704] addrconf_add_dev+0xe2/0x170 [ 7677.979981][ T7704] inet6_addr_add+0x12f/0xa40 [ 7677.979981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7677.979981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7677.979981][ T7704] netlink_rcv_skb+0x130/0x360 [ 7677.979981][ T7704] netlink_unicast+0x449/0x710 [ 7677.979981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7677.979981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7677.979981][ T7704] ___sys_sendmsg+0xee/0x170 [ 7677.979981][ T7704] __sys_sendmsg+0xcd/0x170 [ 7677.979981][ T7704] do_syscall_64+0xc6/0x1e0 [ 7677.979981][ T7704] [ 7677.982193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7677.982193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7677.982193][ T7704] ipv6_find_idev+0x102/0x170 [ 7677.982193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7677.982193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7677.982193][ T7704] netlink_rcv_skb+0x130/0x360 [ 7677.982193][ T7704] netlink_unicast+0x449/0x710 [ 7677.982193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7677.982193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7677.982193][ T7704] ___sys_sendmsg+0xee/0x170 [ 7677.982193][ T7704] __sys_sendmsg+0xcd/0x170 [ 7677.982193][ T7704] do_syscall_64+0xc6/0x1e0 [ 7677.982193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7677.982193][ T7704] [ 7677.983932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7677.983932][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7677.983932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7677.983932][ T7704] ipv6_find_idev+0x102/0x170 [ 7677.983932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7677.983932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7677.983932][ T7704] netlink_rcv_skb+0x130/0x360 [ 7677.983932][ T7704] netlink_unicast+0x449/0x710 [ 7677.983932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7677.983932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7677.983932][ T7704] ___sys_sendmsg+0xee/0x170 [ 7677.983932][ T7704] __sys_sendmsg+0xcd/0x170 [ 7677.983932][ T7704] do_syscall_64+0xc6/0x1e0 [ 7677.983932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7677.983932][ T7704] [ 7688.222968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7688.223541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7688.223541][ T7704] netdev_get_by_index+0x5e/0x80 [ 7688.223541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7688.223541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7688.223541][ T7704] ip6_route_add+0x1c/0x140 [ 7688.223541][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7688.223541][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7688.223541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7688.223541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7688.223541][ T7704] netlink_rcv_skb+0x130/0x360 [ 7688.223541][ T7704] netlink_unicast+0x449/0x710 [ 7688.223541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7688.223541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7688.223541][ T7704] ___sys_sendmsg+0xee/0x170 [ 7688.223541][ T7704] __sys_sendmsg+0xcd/0x170 [ 7688.223541][ T7704] do_syscall_64+0xc6/0x1e0 [ 7688.223541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7688.223541][ T7704] [ 7688.225820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7688.225820][ T7704] netdev_get_by_index+0x5e/0x80 [ 7688.225820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7688.225820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7688.225820][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7688.225820][ T7704] ipv6_add_addr+0x411/0x2000 [ 7688.225820][ T7704] inet6_addr_add+0x30e/0xa40 [ 7688.225820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7688.225820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7688.225820][ T7704] netlink_rcv_skb+0x130/0x360 [ 7688.225820][ T7704] netlink_unicast+0x449/0x710 [ 7688.225820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7688.225820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7688.225820][ T7704] ___sys_sendmsg+0xee/0x170 [ 7688.225820][ T7704] __sys_sendmsg+0xcd/0x170 [ 7688.225820][ T7704] do_syscall_64+0xc6/0x1e0 [ 7688.225820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7688.225820][ T7704] [ 7688.228070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7688.228070][ T7704] netdev_get_by_index+0x5e/0x80 [ 7688.228070][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7688.228070][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7688.228070][ T7704] ip6_route_add+0x1c/0x140 [ 7688.228070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7688.228070][ T7704] addrconf_add_dev+0xe2/0x170 [ 7688.228070][ T7704] inet6_addr_add+0x12f/0xa40 [ 7688.228070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7688.228070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7688.228070][ T7704] netlink_rcv_skb+0x130/0x360 [ 7688.228070][ T7704] netlink_unicast+0x449/0x710 [ 7688.228070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7688.228070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7688.228070][ T7704] ___sys_sendmsg+0xee/0x170 [ 7688.228070][ T7704] __sys_sendmsg+0xcd/0x170 [ 7688.228070][ T7704] do_syscall_64+0xc6/0x1e0 [ 7688.228070][ T7704] [ 7688.230301][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7688.230301][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7688.230301][ T7704] ipv6_find_idev+0x102/0x170 [ 7688.230301][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7688.230301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7688.230301][ T7704] netlink_rcv_skb+0x130/0x360 [ 7688.230301][ T7704] netlink_unicast+0x449/0x710 [ 7688.230301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7688.230301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7688.230301][ T7704] ___sys_sendmsg+0xee/0x170 [ 7688.230301][ T7704] __sys_sendmsg+0xcd/0x170 [ 7688.230301][ T7704] do_syscall_64+0xc6/0x1e0 [ 7688.230301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7688.230301][ T7704] [ 7688.232029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7688.232029][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7688.232029][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7688.232029][ T7704] ipv6_find_idev+0x102/0x170 [ 7688.232029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7688.232029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7688.232029][ T7704] netlink_rcv_skb+0x130/0x360 [ 7688.232029][ T7704] netlink_unicast+0x449/0x710 [ 7688.232029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7688.232029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7688.232029][ T7704] ___sys_sendmsg+0xee/0x170 [ 7688.232029][ T7704] __sys_sendmsg+0xcd/0x170 [ 7688.232029][ T7704] do_syscall_64+0xc6/0x1e0 [ 7688.232029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7688.232029][ T7704] [ 7698.470980][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7698.471445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7698.471445][ T7704] netdev_get_by_index+0x5e/0x80 [ 7698.471445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7698.471445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7698.471445][ T7704] ip6_route_add+0x1c/0x140 [ 7698.471445][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7698.471445][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7698.471445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7698.471445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7698.471445][ T7704] netlink_rcv_skb+0x130/0x360 [ 7698.471445][ T7704] netlink_unicast+0x449/0x710 [ 7698.471445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7698.471445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7698.471445][ T7704] ___sys_sendmsg+0xee/0x170 [ 7698.471445][ T7704] __sys_sendmsg+0xcd/0x170 [ 7698.471445][ T7704] do_syscall_64+0xc6/0x1e0 [ 7698.471445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7698.471445][ T7704] [ 7698.473795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7698.473795][ T7704] netdev_get_by_index+0x5e/0x80 [ 7698.473795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7698.473795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7698.473795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7698.473795][ T7704] ipv6_add_addr+0x411/0x2000 [ 7698.473795][ T7704] inet6_addr_add+0x30e/0xa40 [ 7698.473795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7698.473795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7698.473795][ T7704] netlink_rcv_skb+0x130/0x360 [ 7698.473795][ T7704] netlink_unicast+0x449/0x710 [ 7698.473795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7698.473795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7698.473795][ T7704] ___sys_sendmsg+0xee/0x170 [ 7698.473795][ T7704] __sys_sendmsg+0xcd/0x170 [ 7698.473795][ T7704] do_syscall_64+0xc6/0x1e0 [ 7698.473795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7698.473795][ T7704] [ 7698.476049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7698.476049][ T7704] netdev_get_by_index+0x5e/0x80 [ 7698.476049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7698.476049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7698.476049][ T7704] ip6_route_add+0x1c/0x140 [ 7698.476049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7698.476049][ T7704] addrconf_add_dev+0xe2/0x170 [ 7698.476049][ T7704] inet6_addr_add+0x12f/0xa40 [ 7698.476049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7698.476049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7698.476049][ T7704] netlink_rcv_skb+0x130/0x360 [ 7698.476049][ T7704] netlink_unicast+0x449/0x710 [ 7698.476049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7698.476049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7698.476049][ T7704] ___sys_sendmsg+0xee/0x170 [ 7698.476049][ T7704] __sys_sendmsg+0xcd/0x170 [ 7698.476049][ T7704] do_syscall_64+0xc6/0x1e0 [ 7698.476049][ T7704] [ 7698.478272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7698.478272][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7698.478272][ T7704] ipv6_find_idev+0x102/0x170 [ 7698.478272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7698.478272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7698.478272][ T7704] netlink_rcv_skb+0x130/0x360 [ 7698.478272][ T7704] netlink_unicast+0x449/0x710 [ 7698.478272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7698.478272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7698.478272][ T7704] ___sys_sendmsg+0xee/0x170 [ 7698.478272][ T7704] __sys_sendmsg+0xcd/0x170 [ 7698.478272][ T7704] do_syscall_64+0xc6/0x1e0 [ 7698.478272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7698.478272][ T7704] [ 7698.480012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7698.480012][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7698.480012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7698.480012][ T7704] ipv6_find_idev+0x102/0x170 [ 7698.480012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7698.480012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7698.480012][ T7704] netlink_rcv_skb+0x130/0x360 [ 7698.480012][ T7704] netlink_unicast+0x449/0x710 [ 7698.480012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7698.480012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7698.480012][ T7704] ___sys_sendmsg+0xee/0x170 [ 7698.480012][ T7704] __sys_sendmsg+0xcd/0x170 [ 7698.480012][ T7704] do_syscall_64+0xc6/0x1e0 [ 7698.480012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7698.480012][ T7704] [ 7708.510994][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7708.511515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7708.511515][ T7704] netdev_get_by_index+0x5e/0x80 [ 7708.511515][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7708.511515][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7708.511515][ T7704] ip6_route_add+0x1c/0x140 [ 7708.511515][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7708.511515][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7708.511515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7708.511515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7708.511515][ T7704] netlink_rcv_skb+0x130/0x360 [ 7708.511515][ T7704] netlink_unicast+0x449/0x710 [ 7708.511515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7708.511515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7708.511515][ T7704] ___sys_sendmsg+0xee/0x170 [ 7708.511515][ T7704] __sys_sendmsg+0xcd/0x170 [ 7708.511515][ T7704] do_syscall_64+0xc6/0x1e0 [ 7708.511515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7708.511515][ T7704] [ 7708.513824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7708.513824][ T7704] netdev_get_by_index+0x5e/0x80 [ 7708.513824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7708.513824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7708.513824][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7708.513824][ T7704] ipv6_add_addr+0x411/0x2000 [ 7708.513824][ T7704] inet6_addr_add+0x30e/0xa40 [ 7708.513824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7708.513824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7708.513824][ T7704] netlink_rcv_skb+0x130/0x360 [ 7708.513824][ T7704] netlink_unicast+0x449/0x710 [ 7708.513824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7708.513824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7708.513824][ T7704] ___sys_sendmsg+0xee/0x170 [ 7708.513824][ T7704] __sys_sendmsg+0xcd/0x170 [ 7708.513824][ T7704] do_syscall_64+0xc6/0x1e0 [ 7708.513824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7708.513824][ T7704] [ 7708.516085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7708.516085][ T7704] netdev_get_by_index+0x5e/0x80 [ 7708.516085][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7708.516085][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7708.516085][ T7704] ip6_route_add+0x1c/0x140 [ 7708.516085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7708.516085][ T7704] addrconf_add_dev+0xe2/0x170 [ 7708.516085][ T7704] inet6_addr_add+0x12f/0xa40 [ 7708.516085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7708.516085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7708.516085][ T7704] netlink_rcv_skb+0x130/0x360 [ 7708.516085][ T7704] netlink_unicast+0x449/0x710 [ 7708.516085][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7708.516085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7708.516085][ T7704] ___sys_sendmsg+0xee/0x170 [ 7708.516085][ T7704] __sys_sendmsg+0xcd/0x170 [ 7708.516085][ T7704] do_syscall_64+0xc6/0x1e0 [ 7708.516085][ T7704] [ 7708.518311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7708.518311][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7708.518311][ T7704] ipv6_find_idev+0x102/0x170 [ 7708.518311][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7708.518311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7708.518311][ T7704] netlink_rcv_skb+0x130/0x360 [ 7708.518311][ T7704] netlink_unicast+0x449/0x710 [ 7708.518311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7708.518311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7708.518311][ T7704] ___sys_sendmsg+0xee/0x170 [ 7708.518311][ T7704] __sys_sendmsg+0xcd/0x170 [ 7708.518311][ T7704] do_syscall_64+0xc6/0x1e0 [ 7708.518311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7708.518311][ T7704] [ 7708.520044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7708.520044][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7708.520044][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7708.520044][ T7704] ipv6_find_idev+0x102/0x170 [ 7708.520044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7708.520044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7708.520044][ T7704] netlink_rcv_skb+0x130/0x360 [ 7708.520044][ T7704] netlink_unicast+0x449/0x710 [ 7708.520044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7708.520044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7708.520044][ T7704] ___sys_sendmsg+0xee/0x170 [ 7708.520044][ T7704] __sys_sendmsg+0xcd/0x170 [ 7708.520044][ T7704] do_syscall_64+0xc6/0x1e0 [ 7708.520044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7708.520044][ T7704] [ 7718.566937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7718.567499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7718.567499][ T7704] netdev_get_by_index+0x5e/0x80 [ 7718.567499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7718.567499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7718.567499][ T7704] ip6_route_add+0x1c/0x140 [ 7718.567499][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7718.567499][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7718.567499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7718.567499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7718.567499][ T7704] netlink_rcv_skb+0x130/0x360 [ 7718.567499][ T7704] netlink_unicast+0x449/0x710 [ 7718.567499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7718.567499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7718.567499][ T7704] ___sys_sendmsg+0xee/0x170 [ 7718.567499][ T7704] __sys_sendmsg+0xcd/0x170 [ 7718.567499][ T7704] do_syscall_64+0xc6/0x1e0 [ 7718.567499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7718.567499][ T7704] [ 7718.569771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7718.569771][ T7704] netdev_get_by_index+0x5e/0x80 [ 7718.569771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7718.569771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7718.569771][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7718.569771][ T7704] ipv6_add_addr+0x411/0x2000 [ 7718.569771][ T7704] inet6_addr_add+0x30e/0xa40 [ 7718.569771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7718.569771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7718.569771][ T7704] netlink_rcv_skb+0x130/0x360 [ 7718.569771][ T7704] netlink_unicast+0x449/0x710 [ 7718.569771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7718.569771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7718.569771][ T7704] ___sys_sendmsg+0xee/0x170 [ 7718.569771][ T7704] __sys_sendmsg+0xcd/0x170 [ 7718.569771][ T7704] do_syscall_64+0xc6/0x1e0 [ 7718.569771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7718.569771][ T7704] [ 7718.572052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7718.572052][ T7704] netdev_get_by_index+0x5e/0x80 [ 7718.572052][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7718.572052][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7718.572052][ T7704] ip6_route_add+0x1c/0x140 [ 7718.572052][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7718.572052][ T7704] addrconf_add_dev+0xe2/0x170 [ 7718.572052][ T7704] inet6_addr_add+0x12f/0xa40 [ 7718.572052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7718.572052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7718.572052][ T7704] netlink_rcv_skb+0x130/0x360 [ 7718.572052][ T7704] netlink_unicast+0x449/0x710 [ 7718.572052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7718.572052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7718.572052][ T7704] ___sys_sendmsg+0xee/0x170 [ 7718.572052][ T7704] __sys_sendmsg+0xcd/0x170 [ 7718.572052][ T7704] do_syscall_64+0xc6/0x1e0 [ 7718.572052][ T7704] [ 7718.574276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7718.574276][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7718.574276][ T7704] ipv6_find_idev+0x102/0x170 [ 7718.574276][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7718.574276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7718.574276][ T7704] netlink_rcv_skb+0x130/0x360 [ 7718.574276][ T7704] netlink_unicast+0x449/0x710 [ 7718.574276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7718.574276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7718.574276][ T7704] ___sys_sendmsg+0xee/0x170 [ 7718.574276][ T7704] __sys_sendmsg+0xcd/0x170 [ 7718.574276][ T7704] do_syscall_64+0xc6/0x1e0 [ 7718.574276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7718.574276][ T7704] [ 7718.576132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7718.576132][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7718.576132][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7718.576132][ T7704] ipv6_find_idev+0x102/0x170 [ 7718.576132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7718.576132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7718.576132][ T7704] netlink_rcv_skb+0x130/0x360 [ 7718.576132][ T7704] netlink_unicast+0x449/0x710 [ 7718.576132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7718.576132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7718.576132][ T7704] ___sys_sendmsg+0xee/0x170 [ 7718.576132][ T7704] __sys_sendmsg+0xcd/0x170 [ 7718.576132][ T7704] do_syscall_64+0xc6/0x1e0 [ 7718.576132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7718.576132][ T7704] [ 7728.710911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7728.711436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7728.711436][ T7704] netdev_get_by_index+0x5e/0x80 [ 7728.711436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7728.711436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7728.711436][ T7704] ip6_route_add+0x1c/0x140 [ 7728.711436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7728.711436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7728.711436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7728.711436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7728.711436][ T7704] netlink_rcv_skb+0x130/0x360 [ 7728.711436][ T7704] netlink_unicast+0x449/0x710 [ 7728.711436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7728.711436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7728.711436][ T7704] ___sys_sendmsg+0xee/0x170 [ 7728.711436][ T7704] __sys_sendmsg+0xcd/0x170 [ 7728.711436][ T7704] do_syscall_64+0xc6/0x1e0 [ 7728.711436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7728.711436][ T7704] [ 7728.713746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7728.713746][ T7704] netdev_get_by_index+0x5e/0x80 [ 7728.713746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7728.713746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7728.713746][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7728.713746][ T7704] ipv6_add_addr+0x411/0x2000 [ 7728.713746][ T7704] inet6_addr_add+0x30e/0xa40 [ 7728.713746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7728.713746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7728.713746][ T7704] netlink_rcv_skb+0x130/0x360 [ 7728.713746][ T7704] netlink_unicast+0x449/0x710 [ 7728.713746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7728.713746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7728.713746][ T7704] ___sys_sendmsg+0xee/0x170 [ 7728.713746][ T7704] __sys_sendmsg+0xcd/0x170 [ 7728.713746][ T7704] do_syscall_64+0xc6/0x1e0 [ 7728.713746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7728.713746][ T7704] [ 7728.716004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7728.716004][ T7704] netdev_get_by_index+0x5e/0x80 [ 7728.716004][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7728.716004][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7728.716004][ T7704] ip6_route_add+0x1c/0x140 [ 7728.716004][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7728.716004][ T7704] addrconf_add_dev+0xe2/0x170 [ 7728.716004][ T7704] inet6_addr_add+0x12f/0xa40 [ 7728.716004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7728.716004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7728.716004][ T7704] netlink_rcv_skb+0x130/0x360 [ 7728.716004][ T7704] netlink_unicast+0x449/0x710 [ 7728.716004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7728.716004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7728.716004][ T7704] ___sys_sendmsg+0xee/0x170 [ 7728.716004][ T7704] __sys_sendmsg+0xcd/0x170 [ 7728.716004][ T7704] do_syscall_64+0xc6/0x1e0 [ 7728.716004][ T7704] [ 7728.718216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7728.718216][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7728.718216][ T7704] ipv6_find_idev+0x102/0x170 [ 7728.718216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7728.718216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7728.718216][ T7704] netlink_rcv_skb+0x130/0x360 [ 7728.718216][ T7704] netlink_unicast+0x449/0x710 [ 7728.718216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7728.718216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7728.718216][ T7704] ___sys_sendmsg+0xee/0x170 [ 7728.718216][ T7704] __sys_sendmsg+0xcd/0x170 [ 7728.718216][ T7704] do_syscall_64+0xc6/0x1e0 [ 7728.718216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7728.718216][ T7704] [ 7728.719944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7728.719944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7728.719944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7728.719944][ T7704] ipv6_find_idev+0x102/0x170 [ 7728.719944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7728.719944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7728.719944][ T7704] netlink_rcv_skb+0x130/0x360 [ 7728.719944][ T7704] netlink_unicast+0x449/0x710 [ 7728.719944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7728.719944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7728.719944][ T7704] ___sys_sendmsg+0xee/0x170 [ 7728.719944][ T7704] __sys_sendmsg+0xcd/0x170 [ 7728.719944][ T7704] do_syscall_64+0xc6/0x1e0 [ 7728.719944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7728.719944][ T7704] [ 7738.958946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7738.959474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7738.959474][ T7704] netdev_get_by_index+0x5e/0x80 [ 7738.959474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7738.959474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7738.959474][ T7704] ip6_route_add+0x1c/0x140 [ 7738.959474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7738.959474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7738.959474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7738.959474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7738.959474][ T7704] netlink_rcv_skb+0x130/0x360 [ 7738.959474][ T7704] netlink_unicast+0x449/0x710 [ 7738.959474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7738.959474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7738.959474][ T7704] ___sys_sendmsg+0xee/0x170 [ 7738.959474][ T7704] __sys_sendmsg+0xcd/0x170 [ 7738.959474][ T7704] do_syscall_64+0xc6/0x1e0 [ 7738.959474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7738.959474][ T7704] [ 7738.961770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7738.961770][ T7704] netdev_get_by_index+0x5e/0x80 [ 7738.961770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7738.961770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7738.961770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7738.961770][ T7704] ipv6_add_addr+0x411/0x2000 [ 7738.961770][ T7704] inet6_addr_add+0x30e/0xa40 [ 7738.961770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7738.961770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7738.961770][ T7704] netlink_rcv_skb+0x130/0x360 [ 7738.961770][ T7704] netlink_unicast+0x449/0x710 [ 7738.961770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7738.961770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7738.961770][ T7704] ___sys_sendmsg+0xee/0x170 [ 7738.961770][ T7704] __sys_sendmsg+0xcd/0x170 [ 7738.961770][ T7704] do_syscall_64+0xc6/0x1e0 [ 7738.961770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7738.961770][ T7704] [ 7738.964043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7738.964043][ T7704] netdev_get_by_index+0x5e/0x80 [ 7738.964043][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7738.964043][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7738.964043][ T7704] ip6_route_add+0x1c/0x140 [ 7738.964043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7738.964043][ T7704] addrconf_add_dev+0xe2/0x170 [ 7738.964043][ T7704] inet6_addr_add+0x12f/0xa40 [ 7738.964043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7738.964043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7738.964043][ T7704] netlink_rcv_skb+0x130/0x360 [ 7738.964043][ T7704] netlink_unicast+0x449/0x710 [ 7738.964043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7738.964043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7738.964043][ T7704] ___sys_sendmsg+0xee/0x170 [ 7738.964043][ T7704] __sys_sendmsg+0xcd/0x170 [ 7738.964043][ T7704] do_syscall_64+0xc6/0x1e0 [ 7738.964043][ T7704] [ 7738.966262][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7738.966262][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7738.966262][ T7704] ipv6_find_idev+0x102/0x170 [ 7738.966262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7738.966262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7738.966262][ T7704] netlink_rcv_skb+0x130/0x360 [ 7738.966262][ T7704] netlink_unicast+0x449/0x710 [ 7738.966262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7738.966262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7738.966262][ T7704] ___sys_sendmsg+0xee/0x170 [ 7738.966262][ T7704] __sys_sendmsg+0xcd/0x170 [ 7738.966262][ T7704] do_syscall_64+0xc6/0x1e0 [ 7738.966262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7738.966262][ T7704] [ 7738.967996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7738.967996][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7738.967996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7738.967996][ T7704] ipv6_find_idev+0x102/0x170 [ 7738.967996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7738.967996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7738.967996][ T7704] netlink_rcv_skb+0x130/0x360 [ 7738.967996][ T7704] netlink_unicast+0x449/0x710 [ 7738.967996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7738.967996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7738.967996][ T7704] ___sys_sendmsg+0xee/0x170 [ 7738.967996][ T7704] __sys_sendmsg+0xcd/0x170 [ 7738.967996][ T7704] do_syscall_64+0xc6/0x1e0 [ 7738.967996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7738.967996][ T7704] [ 7749.206959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7749.207445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7749.207445][ T7704] netdev_get_by_index+0x5e/0x80 [ 7749.207445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7749.207445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7749.207445][ T7704] ip6_route_add+0x1c/0x140 [ 7749.207445][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7749.207445][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7749.207445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7749.207445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7749.207445][ T7704] netlink_rcv_skb+0x130/0x360 [ 7749.207445][ T7704] netlink_unicast+0x449/0x710 [ 7749.207445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7749.207445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7749.207445][ T7704] ___sys_sendmsg+0xee/0x170 [ 7749.207445][ T7704] __sys_sendmsg+0xcd/0x170 [ 7749.207445][ T7704] do_syscall_64+0xc6/0x1e0 [ 7749.207445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7749.207445][ T7704] [ 7749.209718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7749.209718][ T7704] netdev_get_by_index+0x5e/0x80 [ 7749.209718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7749.209718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7749.209718][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7749.209718][ T7704] ipv6_add_addr+0x411/0x2000 [ 7749.209718][ T7704] inet6_addr_add+0x30e/0xa40 [ 7749.209718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7749.209718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7749.209718][ T7704] netlink_rcv_skb+0x130/0x360 [ 7749.209718][ T7704] netlink_unicast+0x449/0x710 [ 7749.209718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7749.209718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7749.209718][ T7704] ___sys_sendmsg+0xee/0x170 [ 7749.209718][ T7704] __sys_sendmsg+0xcd/0x170 [ 7749.209718][ T7704] do_syscall_64+0xc6/0x1e0 [ 7749.209718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7749.209718][ T7704] [ 7749.211963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7749.211963][ T7704] netdev_get_by_index+0x5e/0x80 [ 7749.211963][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7749.211963][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7749.211963][ T7704] ip6_route_add+0x1c/0x140 [ 7749.211963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7749.211963][ T7704] addrconf_add_dev+0xe2/0x170 [ 7749.211963][ T7704] inet6_addr_add+0x12f/0xa40 [ 7749.211963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7749.211963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7749.211963][ T7704] netlink_rcv_skb+0x130/0x360 [ 7749.211963][ T7704] netlink_unicast+0x449/0x710 [ 7749.211963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7749.211963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7749.211963][ T7704] ___sys_sendmsg+0xee/0x170 [ 7749.211963][ T7704] __sys_sendmsg+0xcd/0x170 [ 7749.211963][ T7704] do_syscall_64+0xc6/0x1e0 [ 7749.211963][ T7704] [ 7749.214207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7749.214207][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7749.214207][ T7704] ipv6_find_idev+0x102/0x170 [ 7749.214207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7749.214207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7749.214207][ T7704] netlink_rcv_skb+0x130/0x360 [ 7749.214207][ T7704] netlink_unicast+0x449/0x710 [ 7749.214207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7749.214207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7749.214207][ T7704] ___sys_sendmsg+0xee/0x170 [ 7749.214207][ T7704] __sys_sendmsg+0xcd/0x170 [ 7749.214207][ T7704] do_syscall_64+0xc6/0x1e0 [ 7749.214207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7749.214207][ T7704] [ 7749.215939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7749.215939][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7749.215939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7749.215939][ T7704] ipv6_find_idev+0x102/0x170 [ 7749.215939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7749.215939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7749.215939][ T7704] netlink_rcv_skb+0x130/0x360 [ 7749.215939][ T7704] netlink_unicast+0x449/0x710 [ 7749.215939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7749.215939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7749.215939][ T7704] ___sys_sendmsg+0xee/0x170 [ 7749.215939][ T7704] __sys_sendmsg+0xcd/0x170 [ 7749.215939][ T7704] do_syscall_64+0xc6/0x1e0 [ 7749.215939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7749.215939][ T7704] [ 7759.454945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7759.455474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7759.455474][ T7704] netdev_get_by_index+0x5e/0x80 [ 7759.455474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7759.455474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7759.455474][ T7704] ip6_route_add+0x1c/0x140 [ 7759.455474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7759.455474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7759.455474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7759.455474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7759.455474][ T7704] netlink_rcv_skb+0x130/0x360 [ 7759.455474][ T7704] netlink_unicast+0x449/0x710 [ 7759.455474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7759.455474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7759.455474][ T7704] ___sys_sendmsg+0xee/0x170 [ 7759.455474][ T7704] __sys_sendmsg+0xcd/0x170 [ 7759.455474][ T7704] do_syscall_64+0xc6/0x1e0 [ 7759.455474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7759.455474][ T7704] [ 7759.457749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7759.457749][ T7704] netdev_get_by_index+0x5e/0x80 [ 7759.457749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7759.457749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7759.457749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7759.457749][ T7704] ipv6_add_addr+0x411/0x2000 [ 7759.457749][ T7704] inet6_addr_add+0x30e/0xa40 [ 7759.457749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7759.457749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7759.457749][ T7704] netlink_rcv_skb+0x130/0x360 [ 7759.457749][ T7704] netlink_unicast+0x449/0x710 [ 7759.457749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7759.457749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7759.457749][ T7704] ___sys_sendmsg+0xee/0x170 [ 7759.457749][ T7704] __sys_sendmsg+0xcd/0x170 [ 7759.457749][ T7704] do_syscall_64+0xc6/0x1e0 [ 7759.457749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7759.457749][ T7704] [ 7759.460001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7759.460001][ T7704] netdev_get_by_index+0x5e/0x80 [ 7759.460001][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7759.460001][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7759.460001][ T7704] ip6_route_add+0x1c/0x140 [ 7759.460001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7759.460001][ T7704] addrconf_add_dev+0xe2/0x170 [ 7759.460001][ T7704] inet6_addr_add+0x12f/0xa40 [ 7759.460001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7759.460001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7759.460001][ T7704] netlink_rcv_skb+0x130/0x360 [ 7759.460001][ T7704] netlink_unicast+0x449/0x710 [ 7759.460001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7759.460001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7759.460001][ T7704] ___sys_sendmsg+0xee/0x170 [ 7759.460001][ T7704] __sys_sendmsg+0xcd/0x170 [ 7759.460001][ T7704] do_syscall_64+0xc6/0x1e0 [ 7759.460001][ T7704] [ 7759.462757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7759.462757][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7759.462757][ T7704] ipv6_find_idev+0x102/0x170 [ 7759.462757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7759.462757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7759.462757][ T7704] netlink_rcv_skb+0x130/0x360 [ 7759.462757][ T7704] netlink_unicast+0x449/0x710 [ 7759.462757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7759.462757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7759.462757][ T7704] ___sys_sendmsg+0xee/0x170 [ 7759.462757][ T7704] __sys_sendmsg+0xcd/0x170 [ 7759.462757][ T7704] do_syscall_64+0xc6/0x1e0 [ 7759.462757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7759.462757][ T7704] [ 7759.464502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7759.464502][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7759.464502][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7759.464502][ T7704] ipv6_find_idev+0x102/0x170 [ 7759.464502][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7759.464502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7759.464502][ T7704] netlink_rcv_skb+0x130/0x360 [ 7759.464502][ T7704] netlink_unicast+0x449/0x710 [ 7759.464502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7759.464502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7759.464502][ T7704] ___sys_sendmsg+0xee/0x170 [ 7759.464502][ T7704] __sys_sendmsg+0xcd/0x170 [ 7759.464502][ T7704] do_syscall_64+0xc6/0x1e0 [ 7759.464502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7759.464502][ T7704] [ 7769.702942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7769.703477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7769.703477][ T7704] netdev_get_by_index+0x5e/0x80 [ 7769.703477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7769.703477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7769.703477][ T7704] ip6_route_add+0x1c/0x140 [ 7769.703477][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7769.703477][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7769.703477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7769.703477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7769.703477][ T7704] netlink_rcv_skb+0x130/0x360 [ 7769.703477][ T7704] netlink_unicast+0x449/0x710 [ 7769.703477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7769.703477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7769.703477][ T7704] ___sys_sendmsg+0xee/0x170 [ 7769.703477][ T7704] __sys_sendmsg+0xcd/0x170 [ 7769.703477][ T7704] do_syscall_64+0xc6/0x1e0 [ 7769.703477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7769.703477][ T7704] [ 7769.705747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7769.705747][ T7704] netdev_get_by_index+0x5e/0x80 [ 7769.705747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7769.705747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7769.705747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7769.705747][ T7704] ipv6_add_addr+0x411/0x2000 [ 7769.705747][ T7704] inet6_addr_add+0x30e/0xa40 [ 7769.705747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7769.705747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7769.705747][ T7704] netlink_rcv_skb+0x130/0x360 [ 7769.705747][ T7704] netlink_unicast+0x449/0x710 [ 7769.705747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7769.705747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7769.705747][ T7704] ___sys_sendmsg+0xee/0x170 [ 7769.705747][ T7704] __sys_sendmsg+0xcd/0x170 [ 7769.705747][ T7704] do_syscall_64+0xc6/0x1e0 [ 7769.705747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7769.705747][ T7704] [ 7769.707995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7769.707995][ T7704] netdev_get_by_index+0x5e/0x80 [ 7769.707995][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7769.707995][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7769.707995][ T7704] ip6_route_add+0x1c/0x140 [ 7769.707995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7769.707995][ T7704] addrconf_add_dev+0xe2/0x170 [ 7769.707995][ T7704] inet6_addr_add+0x12f/0xa40 [ 7769.707995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7769.707995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7769.707995][ T7704] netlink_rcv_skb+0x130/0x360 [ 7769.707995][ T7704] netlink_unicast+0x449/0x710 [ 7769.707995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7769.707995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7769.707995][ T7704] ___sys_sendmsg+0xee/0x170 [ 7769.707995][ T7704] __sys_sendmsg+0xcd/0x170 [ 7769.707995][ T7704] do_syscall_64+0xc6/0x1e0 [ 7769.707995][ T7704] [ 7769.710238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7769.710238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7769.710238][ T7704] ipv6_find_idev+0x102/0x170 [ 7769.710238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7769.710238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7769.710238][ T7704] netlink_rcv_skb+0x130/0x360 [ 7769.710238][ T7704] netlink_unicast+0x449/0x710 [ 7769.710238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7769.710238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7769.710238][ T7704] ___sys_sendmsg+0xee/0x170 [ 7769.710238][ T7704] __sys_sendmsg+0xcd/0x170 [ 7769.710238][ T7704] do_syscall_64+0xc6/0x1e0 [ 7769.710238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7769.710238][ T7704] [ 7769.712001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7769.712001][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7769.712001][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7769.712001][ T7704] ipv6_find_idev+0x102/0x170 [ 7769.712001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7769.712001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7769.712001][ T7704] netlink_rcv_skb+0x130/0x360 [ 7769.712001][ T7704] netlink_unicast+0x449/0x710 [ 7769.712001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7769.712001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7769.712001][ T7704] ___sys_sendmsg+0xee/0x170 [ 7769.712001][ T7704] __sys_sendmsg+0xcd/0x170 [ 7769.712001][ T7704] do_syscall_64+0xc6/0x1e0 [ 7769.712001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7769.712001][ T7704] [ 7779.750976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7779.751416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7779.751416][ T7704] netdev_get_by_index+0x5e/0x80 [ 7779.751416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7779.751416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7779.751416][ T7704] ip6_route_add+0x1c/0x140 [ 7779.751416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7779.751416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7779.751416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7779.751416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7779.751416][ T7704] netlink_rcv_skb+0x130/0x360 [ 7779.751416][ T7704] netlink_unicast+0x449/0x710 [ 7779.751416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7779.751416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7779.751416][ T7704] ___sys_sendmsg+0xee/0x170 [ 7779.751416][ T7704] __sys_sendmsg+0xcd/0x170 [ 7779.751416][ T7704] do_syscall_64+0xc6/0x1e0 [ 7779.751416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7779.751416][ T7704] [ 7779.753684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7779.753684][ T7704] netdev_get_by_index+0x5e/0x80 [ 7779.753684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7779.753684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7779.753684][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7779.753684][ T7704] ipv6_add_addr+0x411/0x2000 [ 7779.753684][ T7704] inet6_addr_add+0x30e/0xa40 [ 7779.753684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7779.753684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7779.753684][ T7704] netlink_rcv_skb+0x130/0x360 [ 7779.753684][ T7704] netlink_unicast+0x449/0x710 [ 7779.753684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7779.753684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7779.753684][ T7704] ___sys_sendmsg+0xee/0x170 [ 7779.753684][ T7704] __sys_sendmsg+0xcd/0x170 [ 7779.753684][ T7704] do_syscall_64+0xc6/0x1e0 [ 7779.753684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7779.753684][ T7704] [ 7779.756036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7779.756036][ T7704] netdev_get_by_index+0x5e/0x80 [ 7779.756036][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7779.756036][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7779.756036][ T7704] ip6_route_add+0x1c/0x140 [ 7779.756036][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7779.756036][ T7704] addrconf_add_dev+0xe2/0x170 [ 7779.756036][ T7704] inet6_addr_add+0x12f/0xa40 [ 7779.756036][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7779.756036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7779.756036][ T7704] netlink_rcv_skb+0x130/0x360 [ 7779.756036][ T7704] netlink_unicast+0x449/0x710 [ 7779.756036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7779.756036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7779.756036][ T7704] ___sys_sendmsg+0xee/0x170 [ 7779.756036][ T7704] __sys_sendmsg+0xcd/0x170 [ 7779.756036][ T7704] do_syscall_64+0xc6/0x1e0 [ 7779.756036][ T7704] [ 7779.758233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7779.758233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7779.758233][ T7704] ipv6_find_idev+0x102/0x170 [ 7779.758233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7779.758233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7779.758233][ T7704] netlink_rcv_skb+0x130/0x360 [ 7779.758233][ T7704] netlink_unicast+0x449/0x710 [ 7779.758233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7779.758233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7779.758233][ T7704] ___sys_sendmsg+0xee/0x170 [ 7779.758233][ T7704] __sys_sendmsg+0xcd/0x170 [ 7779.758233][ T7704] do_syscall_64+0xc6/0x1e0 [ 7779.758233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7779.758233][ T7704] [ 7779.759945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7779.759945][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7779.759945][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7779.759945][ T7704] ipv6_find_idev+0x102/0x170 [ 7779.759945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7779.759945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7779.759945][ T7704] netlink_rcv_skb+0x130/0x360 [ 7779.759945][ T7704] netlink_unicast+0x449/0x710 [ 7779.759945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7779.759945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7779.759945][ T7704] ___sys_sendmsg+0xee/0x170 [ 7779.759945][ T7704] __sys_sendmsg+0xcd/0x170 [ 7779.759945][ T7704] do_syscall_64+0xc6/0x1e0 [ 7779.759945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7779.759945][ T7704] [ 7789.998932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7789.999438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7789.999438][ T7704] netdev_get_by_index+0x5e/0x80 [ 7789.999438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7789.999438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7789.999438][ T7704] ip6_route_add+0x1c/0x140 [ 7789.999438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7789.999438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7789.999438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7789.999438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7789.999438][ T7704] netlink_rcv_skb+0x130/0x360 [ 7789.999438][ T7704] netlink_unicast+0x449/0x710 [ 7789.999438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7789.999438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7789.999438][ T7704] ___sys_sendmsg+0xee/0x170 [ 7789.999438][ T7704] __sys_sendmsg+0xcd/0x170 [ 7789.999438][ T7704] do_syscall_64+0xc6/0x1e0 [ 7789.999438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7789.999438][ T7704] [ 7790.001680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7790.001680][ T7704] netdev_get_by_index+0x5e/0x80 [ 7790.001680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7790.001680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7790.001680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7790.001680][ T7704] ipv6_add_addr+0x411/0x2000 [ 7790.001680][ T7704] inet6_addr_add+0x30e/0xa40 [ 7790.001680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7790.001680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7790.001680][ T7704] netlink_rcv_skb+0x130/0x360 [ 7790.001680][ T7704] netlink_unicast+0x449/0x710 [ 7790.001680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7790.001680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7790.001680][ T7704] ___sys_sendmsg+0xee/0x170 [ 7790.001680][ T7704] __sys_sendmsg+0xcd/0x170 [ 7790.001680][ T7704] do_syscall_64+0xc6/0x1e0 [ 7790.001680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7790.001680][ T7704] [ 7790.003914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7790.003914][ T7704] netdev_get_by_index+0x5e/0x80 [ 7790.003914][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7790.003914][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7790.003914][ T7704] ip6_route_add+0x1c/0x140 [ 7790.003914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7790.003914][ T7704] addrconf_add_dev+0xe2/0x170 [ 7790.003914][ T7704] inet6_addr_add+0x12f/0xa40 [ 7790.003914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7790.003914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7790.003914][ T7704] netlink_rcv_skb+0x130/0x360 [ 7790.003914][ T7704] netlink_unicast+0x449/0x710 [ 7790.003914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7790.003914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7790.003914][ T7704] ___sys_sendmsg+0xee/0x170 [ 7790.003914][ T7704] __sys_sendmsg+0xcd/0x170 [ 7790.003914][ T7704] do_syscall_64+0xc6/0x1e0 [ 7790.003914][ T7704] [ 7790.006099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7790.006099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7790.006099][ T7704] ipv6_find_idev+0x102/0x170 [ 7790.006099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7790.006099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7790.006099][ T7704] netlink_rcv_skb+0x130/0x360 [ 7790.006099][ T7704] netlink_unicast+0x449/0x710 [ 7790.006099][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7790.006099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7790.006099][ T7704] ___sys_sendmsg+0xee/0x170 [ 7790.006099][ T7704] __sys_sendmsg+0xcd/0x170 [ 7790.006099][ T7704] do_syscall_64+0xc6/0x1e0 [ 7790.006099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7790.006099][ T7704] [ 7790.007844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7790.007844][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7790.007844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7790.007844][ T7704] ipv6_find_idev+0x102/0x170 [ 7790.007844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7790.007844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7790.007844][ T7704] netlink_rcv_skb+0x130/0x360 [ 7790.007844][ T7704] netlink_unicast+0x449/0x710 [ 7790.007844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7790.007844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7790.007844][ T7704] ___sys_sendmsg+0xee/0x170 [ 7790.007844][ T7704] __sys_sendmsg+0xcd/0x170 [ 7790.007844][ T7704] do_syscall_64+0xc6/0x1e0 [ 7790.007844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7790.007844][ T7704] [ 7800.246984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7800.247492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7800.247492][ T7704] netdev_get_by_index+0x5e/0x80 [ 7800.247492][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7800.247492][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7800.247492][ T7704] ip6_route_add+0x1c/0x140 [ 7800.247492][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7800.247492][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7800.247492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7800.247492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7800.247492][ T7704] netlink_rcv_skb+0x130/0x360 [ 7800.247492][ T7704] netlink_unicast+0x449/0x710 [ 7800.247492][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7800.247492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7800.247492][ T7704] ___sys_sendmsg+0xee/0x170 [ 7800.247492][ T7704] __sys_sendmsg+0xcd/0x170 [ 7800.247492][ T7704] do_syscall_64+0xc6/0x1e0 [ 7800.247492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7800.247492][ T7704] [ 7800.249743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7800.249743][ T7704] netdev_get_by_index+0x5e/0x80 [ 7800.249743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7800.249743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7800.249743][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7800.249743][ T7704] ipv6_add_addr+0x411/0x2000 [ 7800.249743][ T7704] inet6_addr_add+0x30e/0xa40 [ 7800.249743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7800.249743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7800.249743][ T7704] netlink_rcv_skb+0x130/0x360 [ 7800.249743][ T7704] netlink_unicast+0x449/0x710 [ 7800.249743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7800.249743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7800.249743][ T7704] ___sys_sendmsg+0xee/0x170 [ 7800.249743][ T7704] __sys_sendmsg+0xcd/0x170 [ 7800.249743][ T7704] do_syscall_64+0xc6/0x1e0 [ 7800.249743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7800.249743][ T7704] [ 7800.251958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7800.251958][ T7704] netdev_get_by_index+0x5e/0x80 [ 7800.251958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7800.251958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7800.251958][ T7704] ip6_route_add+0x1c/0x140 [ 7800.251958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7800.251958][ T7704] addrconf_add_dev+0xe2/0x170 [ 7800.251958][ T7704] inet6_addr_add+0x12f/0xa40 [ 7800.251958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7800.251958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7800.251958][ T7704] netlink_rcv_skb+0x130/0x360 [ 7800.251958][ T7704] netlink_unicast+0x449/0x710 [ 7800.251958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7800.251958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7800.251958][ T7704] ___sys_sendmsg+0xee/0x170 [ 7800.251958][ T7704] __sys_sendmsg+0xcd/0x170 [ 7800.251958][ T7704] do_syscall_64+0xc6/0x1e0 [ 7800.251958][ T7704] [ 7800.254147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7800.254147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7800.254147][ T7704] ipv6_find_idev+0x102/0x170 [ 7800.254147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7800.254147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7800.254147][ T7704] netlink_rcv_skb+0x130/0x360 [ 7800.254147][ T7704] netlink_unicast+0x449/0x710 [ 7800.254147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7800.254147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7800.254147][ T7704] ___sys_sendmsg+0xee/0x170 [ 7800.254147][ T7704] __sys_sendmsg+0xcd/0x170 [ 7800.254147][ T7704] do_syscall_64+0xc6/0x1e0 [ 7800.254147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7800.254147][ T7704] [ 7800.255847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7800.255847][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7800.255847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7800.255847][ T7704] ipv6_find_idev+0x102/0x170 [ 7800.255847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7800.255847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7800.255847][ T7704] netlink_rcv_skb+0x130/0x360 [ 7800.255847][ T7704] netlink_unicast+0x449/0x710 [ 7800.255847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7800.255847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7800.255847][ T7704] ___sys_sendmsg+0xee/0x170 [ 7800.255847][ T7704] __sys_sendmsg+0xcd/0x170 [ 7800.255847][ T7704] do_syscall_64+0xc6/0x1e0 [ 7800.255847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7800.255847][ T7704] [ 7810.494939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7810.495386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7810.495386][ T7704] netdev_get_by_index+0x5e/0x80 [ 7810.495386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7810.495386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7810.495386][ T7704] ip6_route_add+0x1c/0x140 [ 7810.495386][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7810.495386][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7810.495386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7810.495386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7810.495386][ T7704] netlink_rcv_skb+0x130/0x360 [ 7810.495386][ T7704] netlink_unicast+0x449/0x710 [ 7810.495386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7810.495386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7810.495386][ T7704] ___sys_sendmsg+0xee/0x170 [ 7810.495386][ T7704] __sys_sendmsg+0xcd/0x170 [ 7810.495386][ T7704] do_syscall_64+0xc6/0x1e0 [ 7810.495386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7810.495386][ T7704] [ 7810.497627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7810.497627][ T7704] netdev_get_by_index+0x5e/0x80 [ 7810.497627][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7810.497627][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7810.497627][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7810.497627][ T7704] ipv6_add_addr+0x411/0x2000 [ 7810.497627][ T7704] inet6_addr_add+0x30e/0xa40 [ 7810.497627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7810.497627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7810.497627][ T7704] netlink_rcv_skb+0x130/0x360 [ 7810.497627][ T7704] netlink_unicast+0x449/0x710 [ 7810.497627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7810.497627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7810.497627][ T7704] ___sys_sendmsg+0xee/0x170 [ 7810.497627][ T7704] __sys_sendmsg+0xcd/0x170 [ 7810.497627][ T7704] do_syscall_64+0xc6/0x1e0 [ 7810.497627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7810.497627][ T7704] [ 7810.499961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7810.499961][ T7704] netdev_get_by_index+0x5e/0x80 [ 7810.499961][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7810.499961][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7810.499961][ T7704] ip6_route_add+0x1c/0x140 [ 7810.499961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7810.499961][ T7704] addrconf_add_dev+0xe2/0x170 [ 7810.499961][ T7704] inet6_addr_add+0x12f/0xa40 [ 7810.499961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7810.499961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7810.499961][ T7704] netlink_rcv_skb+0x130/0x360 [ 7810.499961][ T7704] netlink_unicast+0x449/0x710 [ 7810.499961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7810.499961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7810.499961][ T7704] ___sys_sendmsg+0xee/0x170 [ 7810.499961][ T7704] __sys_sendmsg+0xcd/0x170 [ 7810.499961][ T7704] do_syscall_64+0xc6/0x1e0 [ 7810.499961][ T7704] [ 7810.502143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7810.502143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7810.502143][ T7704] ipv6_find_idev+0x102/0x170 [ 7810.502143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7810.502143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7810.502143][ T7704] netlink_rcv_skb+0x130/0x360 [ 7810.502143][ T7704] netlink_unicast+0x449/0x710 [ 7810.502143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7810.502143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7810.502143][ T7704] ___sys_sendmsg+0xee/0x170 [ 7810.502143][ T7704] __sys_sendmsg+0xcd/0x170 [ 7810.502143][ T7704] do_syscall_64+0xc6/0x1e0 [ 7810.502143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7810.502143][ T7704] [ 7810.503855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7810.503855][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7810.503855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7810.503855][ T7704] ipv6_find_idev+0x102/0x170 [ 7810.503855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7810.503855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7810.503855][ T7704] netlink_rcv_skb+0x130/0x360 [ 7810.503855][ T7704] netlink_unicast+0x449/0x710 [ 7810.503855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7810.503855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7810.503855][ T7704] ___sys_sendmsg+0xee/0x170 [ 7810.503855][ T7704] __sys_sendmsg+0xcd/0x170 [ 7810.503855][ T7704] do_syscall_64+0xc6/0x1e0 [ 7810.503855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7810.503855][ T7704] [ 7820.750935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7820.751430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7820.751430][ T7704] netdev_get_by_index+0x5e/0x80 [ 7820.751430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7820.751430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7820.751430][ T7704] ip6_route_add+0x1c/0x140 [ 7820.751430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7820.751430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7820.751430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7820.751430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7820.751430][ T7704] netlink_rcv_skb+0x130/0x360 [ 7820.751430][ T7704] netlink_unicast+0x449/0x710 [ 7820.751430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7820.751430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7820.751430][ T7704] ___sys_sendmsg+0xee/0x170 [ 7820.751430][ T7704] __sys_sendmsg+0xcd/0x170 [ 7820.751430][ T7704] do_syscall_64+0xc6/0x1e0 [ 7820.751430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7820.751430][ T7704] [ 7820.753710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7820.753710][ T7704] netdev_get_by_index+0x5e/0x80 [ 7820.753710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7820.753710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7820.753710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7820.753710][ T7704] ipv6_add_addr+0x411/0x2000 [ 7820.753710][ T7704] inet6_addr_add+0x30e/0xa40 [ 7820.753710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7820.753710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7820.753710][ T7704] netlink_rcv_skb+0x130/0x360 [ 7820.753710][ T7704] netlink_unicast+0x449/0x710 [ 7820.753710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7820.753710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7820.753710][ T7704] ___sys_sendmsg+0xee/0x170 [ 7820.753710][ T7704] __sys_sendmsg+0xcd/0x170 [ 7820.753710][ T7704] do_syscall_64+0xc6/0x1e0 [ 7820.753710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7820.753710][ T7704] [ 7820.755937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7820.755937][ T7704] netdev_get_by_index+0x5e/0x80 [ 7820.755937][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7820.755937][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7820.755937][ T7704] ip6_route_add+0x1c/0x140 [ 7820.755937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7820.755937][ T7704] addrconf_add_dev+0xe2/0x170 [ 7820.755937][ T7704] inet6_addr_add+0x12f/0xa40 [ 7820.755937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7820.755937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7820.755937][ T7704] netlink_rcv_skb+0x130/0x360 [ 7820.755937][ T7704] netlink_unicast+0x449/0x710 [ 7820.755937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7820.755937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7820.755937][ T7704] ___sys_sendmsg+0xee/0x170 [ 7820.755937][ T7704] __sys_sendmsg+0xcd/0x170 [ 7820.755937][ T7704] do_syscall_64+0xc6/0x1e0 [ 7820.755937][ T7704] [ 7820.758131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7820.758131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7820.758131][ T7704] ipv6_find_idev+0x102/0x170 [ 7820.758131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7820.758131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7820.758131][ T7704] netlink_rcv_skb+0x130/0x360 [ 7820.758131][ T7704] netlink_unicast+0x449/0x710 [ 7820.758131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7820.758131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7820.758131][ T7704] ___sys_sendmsg+0xee/0x170 [ 7820.758131][ T7704] __sys_sendmsg+0xcd/0x170 [ 7820.758131][ T7704] do_syscall_64+0xc6/0x1e0 [ 7820.758131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7820.758131][ T7704] [ 7820.759857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7820.759857][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7820.759857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7820.759857][ T7704] ipv6_find_idev+0x102/0x170 [ 7820.759857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7820.759857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7820.759857][ T7704] netlink_rcv_skb+0x130/0x360 [ 7820.759857][ T7704] netlink_unicast+0x449/0x710 [ 7820.759857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7820.759857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7820.759857][ T7704] ___sys_sendmsg+0xee/0x170 [ 7820.759857][ T7704] __sys_sendmsg+0xcd/0x170 [ 7820.759857][ T7704] do_syscall_64+0xc6/0x1e0 [ 7820.759857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7820.759857][ T7704] [ 7830.799013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7830.799542][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7830.799542][ T7704] netdev_get_by_index+0x5e/0x80 [ 7830.799542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7830.799542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7830.799542][ T7704] ip6_route_add+0x1c/0x140 [ 7830.799542][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7830.799542][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7830.799542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7830.799542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7830.799542][ T7704] netlink_rcv_skb+0x130/0x360 [ 7830.799542][ T7704] netlink_unicast+0x449/0x710 [ 7830.799542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7830.799542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7830.799542][ T7704] ___sys_sendmsg+0xee/0x170 [ 7830.799542][ T7704] __sys_sendmsg+0xcd/0x170 [ 7830.799542][ T7704] do_syscall_64+0xc6/0x1e0 [ 7830.799542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7830.799542][ T7704] [ 7830.801890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7830.801890][ T7704] netdev_get_by_index+0x5e/0x80 [ 7830.801890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7830.801890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7830.801890][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7830.801890][ T7704] ipv6_add_addr+0x411/0x2000 [ 7830.801890][ T7704] inet6_addr_add+0x30e/0xa40 [ 7830.801890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7830.801890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7830.801890][ T7704] netlink_rcv_skb+0x130/0x360 [ 7830.801890][ T7704] netlink_unicast+0x449/0x710 [ 7830.801890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7830.801890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7830.801890][ T7704] ___sys_sendmsg+0xee/0x170 [ 7830.801890][ T7704] __sys_sendmsg+0xcd/0x170 [ 7830.801890][ T7704] do_syscall_64+0xc6/0x1e0 [ 7830.801890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7830.801890][ T7704] [ 7830.804211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7830.804211][ T7704] netdev_get_by_index+0x5e/0x80 [ 7830.804211][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7830.804211][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7830.804211][ T7704] ip6_route_add+0x1c/0x140 [ 7830.804211][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7830.804211][ T7704] addrconf_add_dev+0xe2/0x170 [ 7830.804211][ T7704] inet6_addr_add+0x12f/0xa40 [ 7830.804211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7830.804211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7830.804211][ T7704] netlink_rcv_skb+0x130/0x360 [ 7830.804211][ T7704] netlink_unicast+0x449/0x710 [ 7830.804211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7830.804211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7830.804211][ T7704] ___sys_sendmsg+0xee/0x170 [ 7830.804211][ T7704] __sys_sendmsg+0xcd/0x170 [ 7830.804211][ T7704] do_syscall_64+0xc6/0x1e0 [ 7830.804211][ T7704] [ 7830.806479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7830.806479][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7830.806479][ T7704] ipv6_find_idev+0x102/0x170 [ 7830.806479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7830.806479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7830.806479][ T7704] netlink_rcv_skb+0x130/0x360 [ 7830.806479][ T7704] netlink_unicast+0x449/0x710 [ 7830.806479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7830.806479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7830.806479][ T7704] ___sys_sendmsg+0xee/0x170 [ 7830.806479][ T7704] __sys_sendmsg+0xcd/0x170 [ 7830.806479][ T7704] do_syscall_64+0xc6/0x1e0 [ 7830.806479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7830.806479][ T7704] [ 7830.808257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7830.808257][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7830.808257][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7830.808257][ T7704] ipv6_find_idev+0x102/0x170 [ 7830.808257][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7830.808257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7830.808257][ T7704] netlink_rcv_skb+0x130/0x360 [ 7830.808257][ T7704] netlink_unicast+0x449/0x710 [ 7830.808257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7830.808257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7830.808257][ T7704] ___sys_sendmsg+0xee/0x170 [ 7830.808257][ T7704] __sys_sendmsg+0xcd/0x170 [ 7830.808257][ T7704] do_syscall_64+0xc6/0x1e0 [ 7830.808257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7830.808257][ T7704] [ 7841.046877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7841.047388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7841.047388][ T7704] netdev_get_by_index+0x5e/0x80 [ 7841.047388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7841.047388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7841.047388][ T7704] ip6_route_add+0x1c/0x140 [ 7841.047388][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7841.047388][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7841.047388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7841.047388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7841.047388][ T7704] netlink_rcv_skb+0x130/0x360 [ 7841.047388][ T7704] netlink_unicast+0x449/0x710 [ 7841.047388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7841.047388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7841.047388][ T7704] ___sys_sendmsg+0xee/0x170 [ 7841.047388][ T7704] __sys_sendmsg+0xcd/0x170 [ 7841.047388][ T7704] do_syscall_64+0xc6/0x1e0 [ 7841.047388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7841.047388][ T7704] [ 7841.049726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7841.049726][ T7704] netdev_get_by_index+0x5e/0x80 [ 7841.049726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7841.049726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7841.049726][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7841.049726][ T7704] ipv6_add_addr+0x411/0x2000 [ 7841.049726][ T7704] inet6_addr_add+0x30e/0xa40 [ 7841.049726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7841.049726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7841.049726][ T7704] netlink_rcv_skb+0x130/0x360 [ 7841.049726][ T7704] netlink_unicast+0x449/0x710 [ 7841.049726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7841.049726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7841.049726][ T7704] ___sys_sendmsg+0xee/0x170 [ 7841.049726][ T7704] __sys_sendmsg+0xcd/0x170 [ 7841.049726][ T7704] do_syscall_64+0xc6/0x1e0 [ 7841.049726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7841.049726][ T7704] [ 7841.052056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7841.052056][ T7704] netdev_get_by_index+0x5e/0x80 [ 7841.052056][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7841.052056][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7841.052056][ T7704] ip6_route_add+0x1c/0x140 [ 7841.052056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7841.052056][ T7704] addrconf_add_dev+0xe2/0x170 [ 7841.052056][ T7704] inet6_addr_add+0x12f/0xa40 [ 7841.052056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7841.052056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7841.052056][ T7704] netlink_rcv_skb+0x130/0x360 [ 7841.052056][ T7704] netlink_unicast+0x449/0x710 [ 7841.052056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7841.052056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7841.052056][ T7704] ___sys_sendmsg+0xee/0x170 [ 7841.052056][ T7704] __sys_sendmsg+0xcd/0x170 [ 7841.052056][ T7704] do_syscall_64+0xc6/0x1e0 [ 7841.052056][ T7704] [ 7841.054333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7841.054333][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7841.054333][ T7704] ipv6_find_idev+0x102/0x170 [ 7841.054333][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7841.054333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7841.054333][ T7704] netlink_rcv_skb+0x130/0x360 [ 7841.054333][ T7704] netlink_unicast+0x449/0x710 [ 7841.054333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7841.054333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7841.054333][ T7704] ___sys_sendmsg+0xee/0x170 [ 7841.054333][ T7704] __sys_sendmsg+0xcd/0x170 [ 7841.054333][ T7704] do_syscall_64+0xc6/0x1e0 [ 7841.054333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7841.054333][ T7704] [ 7841.056108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7841.056108][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7841.056108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7841.056108][ T7704] ipv6_find_idev+0x102/0x170 [ 7841.056108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7841.056108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7841.056108][ T7704] netlink_rcv_skb+0x130/0x360 [ 7841.056108][ T7704] netlink_unicast+0x449/0x710 [ 7841.056108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7841.056108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7841.056108][ T7704] ___sys_sendmsg+0xee/0x170 [ 7841.056108][ T7704] __sys_sendmsg+0xcd/0x170 [ 7841.056108][ T7704] do_syscall_64+0xc6/0x1e0 [ 7841.056108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7841.056108][ T7704] [ 7851.294950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7851.295473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7851.295473][ T7704] netdev_get_by_index+0x5e/0x80 [ 7851.295473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7851.295473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7851.295473][ T7704] ip6_route_add+0x1c/0x140 [ 7851.295473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7851.295473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7851.295473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7851.295473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7851.295473][ T7704] netlink_rcv_skb+0x130/0x360 [ 7851.295473][ T7704] netlink_unicast+0x449/0x710 [ 7851.295473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7851.295473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7851.295473][ T7704] ___sys_sendmsg+0xee/0x170 [ 7851.295473][ T7704] __sys_sendmsg+0xcd/0x170 [ 7851.295473][ T7704] do_syscall_64+0xc6/0x1e0 [ 7851.295473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7851.295473][ T7704] [ 7851.297829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7851.297829][ T7704] netdev_get_by_index+0x5e/0x80 [ 7851.297829][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7851.297829][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7851.297829][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7851.297829][ T7704] ipv6_add_addr+0x411/0x2000 [ 7851.297829][ T7704] inet6_addr_add+0x30e/0xa40 [ 7851.297829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7851.297829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7851.297829][ T7704] netlink_rcv_skb+0x130/0x360 [ 7851.297829][ T7704] netlink_unicast+0x449/0x710 [ 7851.297829][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7851.297829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7851.297829][ T7704] ___sys_sendmsg+0xee/0x170 [ 7851.297829][ T7704] __sys_sendmsg+0xcd/0x170 [ 7851.297829][ T7704] do_syscall_64+0xc6/0x1e0 [ 7851.297829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7851.297829][ T7704] [ 7851.300173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7851.300173][ T7704] netdev_get_by_index+0x5e/0x80 [ 7851.300173][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7851.300173][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7851.300173][ T7704] ip6_route_add+0x1c/0x140 [ 7851.300173][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7851.300173][ T7704] addrconf_add_dev+0xe2/0x170 [ 7851.300173][ T7704] inet6_addr_add+0x12f/0xa40 [ 7851.300173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7851.300173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7851.300173][ T7704] netlink_rcv_skb+0x130/0x360 [ 7851.300173][ T7704] netlink_unicast+0x449/0x710 [ 7851.300173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7851.300173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7851.300173][ T7704] ___sys_sendmsg+0xee/0x170 [ 7851.300173][ T7704] __sys_sendmsg+0xcd/0x170 [ 7851.300173][ T7704] do_syscall_64+0xc6/0x1e0 [ 7851.300173][ T7704] [ 7851.302586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7851.302586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7851.302586][ T7704] ipv6_find_idev+0x102/0x170 [ 7851.302586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7851.302586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7851.302586][ T7704] netlink_rcv_skb+0x130/0x360 [ 7851.302586][ T7704] netlink_unicast+0x449/0x710 [ 7851.302586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7851.302586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7851.302586][ T7704] ___sys_sendmsg+0xee/0x170 [ 7851.302586][ T7704] __sys_sendmsg+0xcd/0x170 [ 7851.302586][ T7704] do_syscall_64+0xc6/0x1e0 [ 7851.302586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7851.302586][ T7704] [ 7851.304373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7851.304373][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7851.304373][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7851.304373][ T7704] ipv6_find_idev+0x102/0x170 [ 7851.304373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7851.304373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7851.304373][ T7704] netlink_rcv_skb+0x130/0x360 [ 7851.304373][ T7704] netlink_unicast+0x449/0x710 [ 7851.304373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7851.304373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7851.304373][ T7704] ___sys_sendmsg+0xee/0x170 [ 7851.304373][ T7704] __sys_sendmsg+0xcd/0x170 [ 7851.304373][ T7704] do_syscall_64+0xc6/0x1e0 [ 7851.304373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7851.304373][ T7704] [ 7861.542945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7861.543432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7861.543432][ T7704] netdev_get_by_index+0x5e/0x80 [ 7861.543432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7861.543432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7861.543432][ T7704] ip6_route_add+0x1c/0x140 [ 7861.543432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7861.543432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7861.543432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7861.543432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7861.543432][ T7704] netlink_rcv_skb+0x130/0x360 [ 7861.543432][ T7704] netlink_unicast+0x449/0x710 [ 7861.543432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7861.543432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7861.543432][ T7704] ___sys_sendmsg+0xee/0x170 [ 7861.543432][ T7704] __sys_sendmsg+0xcd/0x170 [ 7861.543432][ T7704] do_syscall_64+0xc6/0x1e0 [ 7861.543432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7861.543432][ T7704] [ 7861.545707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7861.545707][ T7704] netdev_get_by_index+0x5e/0x80 [ 7861.545707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7861.545707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7861.545707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7861.545707][ T7704] ipv6_add_addr+0x411/0x2000 [ 7861.545707][ T7704] inet6_addr_add+0x30e/0xa40 [ 7861.545707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7861.545707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7861.545707][ T7704] netlink_rcv_skb+0x130/0x360 [ 7861.545707][ T7704] netlink_unicast+0x449/0x710 [ 7861.545707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7861.545707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7861.545707][ T7704] ___sys_sendmsg+0xee/0x170 [ 7861.545707][ T7704] __sys_sendmsg+0xcd/0x170 [ 7861.545707][ T7704] do_syscall_64+0xc6/0x1e0 [ 7861.545707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7861.545707][ T7704] [ 7861.547974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7861.547974][ T7704] netdev_get_by_index+0x5e/0x80 [ 7861.547974][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7861.547974][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7861.547974][ T7704] ip6_route_add+0x1c/0x140 [ 7861.547974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7861.547974][ T7704] addrconf_add_dev+0xe2/0x170 [ 7861.547974][ T7704] inet6_addr_add+0x12f/0xa40 [ 7861.547974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7861.547974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7861.547974][ T7704] netlink_rcv_skb+0x130/0x360 [ 7861.547974][ T7704] netlink_unicast+0x449/0x710 [ 7861.547974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7861.547974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7861.547974][ T7704] ___sys_sendmsg+0xee/0x170 [ 7861.547974][ T7704] __sys_sendmsg+0xcd/0x170 [ 7861.547974][ T7704] do_syscall_64+0xc6/0x1e0 [ 7861.547974][ T7704] [ 7861.550198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7861.550198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7861.550198][ T7704] ipv6_find_idev+0x102/0x170 [ 7861.550198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7861.550198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7861.550198][ T7704] netlink_rcv_skb+0x130/0x360 [ 7861.550198][ T7704] netlink_unicast+0x449/0x710 [ 7861.550198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7861.550198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7861.550198][ T7704] ___sys_sendmsg+0xee/0x170 [ 7861.550198][ T7704] __sys_sendmsg+0xcd/0x170 [ 7861.550198][ T7704] do_syscall_64+0xc6/0x1e0 [ 7861.550198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7861.550198][ T7704] [ 7861.551939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7861.551939][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7861.551939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7861.551939][ T7704] ipv6_find_idev+0x102/0x170 [ 7861.551939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7861.551939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7861.551939][ T7704] netlink_rcv_skb+0x130/0x360 [ 7861.551939][ T7704] netlink_unicast+0x449/0x710 [ 7861.551939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7861.551939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7861.551939][ T7704] ___sys_sendmsg+0xee/0x170 [ 7861.551939][ T7704] __sys_sendmsg+0xcd/0x170 [ 7861.551939][ T7704] do_syscall_64+0xc6/0x1e0 [ 7861.551939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7861.551939][ T7704] [ 7871.790947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7871.791479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7871.791479][ T7704] netdev_get_by_index+0x5e/0x80 [ 7871.791479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7871.791479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7871.791479][ T7704] ip6_route_add+0x1c/0x140 [ 7871.791479][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7871.791479][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7871.791479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7871.791479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7871.791479][ T7704] netlink_rcv_skb+0x130/0x360 [ 7871.791479][ T7704] netlink_unicast+0x449/0x710 [ 7871.791479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7871.791479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7871.791479][ T7704] ___sys_sendmsg+0xee/0x170 [ 7871.791479][ T7704] __sys_sendmsg+0xcd/0x170 [ 7871.791479][ T7704] do_syscall_64+0xc6/0x1e0 [ 7871.791479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7871.791479][ T7704] [ 7871.793857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7871.793857][ T7704] netdev_get_by_index+0x5e/0x80 [ 7871.793857][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7871.793857][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7871.793857][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7871.793857][ T7704] ipv6_add_addr+0x411/0x2000 [ 7871.793857][ T7704] inet6_addr_add+0x30e/0xa40 [ 7871.793857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7871.793857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7871.793857][ T7704] netlink_rcv_skb+0x130/0x360 [ 7871.793857][ T7704] netlink_unicast+0x449/0x710 [ 7871.793857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7871.793857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7871.793857][ T7704] ___sys_sendmsg+0xee/0x170 [ 7871.793857][ T7704] __sys_sendmsg+0xcd/0x170 [ 7871.793857][ T7704] do_syscall_64+0xc6/0x1e0 [ 7871.793857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7871.793857][ T7704] [ 7871.796110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7871.796110][ T7704] netdev_get_by_index+0x5e/0x80 [ 7871.796110][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7871.796110][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7871.796110][ T7704] ip6_route_add+0x1c/0x140 [ 7871.796110][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7871.796110][ T7704] addrconf_add_dev+0xe2/0x170 [ 7871.796110][ T7704] inet6_addr_add+0x12f/0xa40 [ 7871.796110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7871.796110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7871.796110][ T7704] netlink_rcv_skb+0x130/0x360 [ 7871.796110][ T7704] netlink_unicast+0x449/0x710 [ 7871.796110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7871.796110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7871.796110][ T7704] ___sys_sendmsg+0xee/0x170 [ 7871.796110][ T7704] __sys_sendmsg+0xcd/0x170 [ 7871.796110][ T7704] do_syscall_64+0xc6/0x1e0 [ 7871.796110][ T7704] [ 7871.798335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7871.798335][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7871.798335][ T7704] ipv6_find_idev+0x102/0x170 [ 7871.798335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7871.798335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7871.798335][ T7704] netlink_rcv_skb+0x130/0x360 [ 7871.798335][ T7704] netlink_unicast+0x449/0x710 [ 7871.798335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7871.798335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7871.798335][ T7704] ___sys_sendmsg+0xee/0x170 [ 7871.798335][ T7704] __sys_sendmsg+0xcd/0x170 [ 7871.798335][ T7704] do_syscall_64+0xc6/0x1e0 [ 7871.798335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7871.798335][ T7704] [ 7871.800072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7871.800072][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7871.800072][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7871.800072][ T7704] ipv6_find_idev+0x102/0x170 [ 7871.800072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7871.800072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7871.800072][ T7704] netlink_rcv_skb+0x130/0x360 [ 7871.800072][ T7704] netlink_unicast+0x449/0x710 [ 7871.800072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7871.800072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7871.800072][ T7704] ___sys_sendmsg+0xee/0x170 [ 7871.800072][ T7704] __sys_sendmsg+0xcd/0x170 [ 7871.800072][ T7704] do_syscall_64+0xc6/0x1e0 [ 7871.800072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7871.800072][ T7704] [ 7882.038945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7882.039491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7882.039491][ T7704] netdev_get_by_index+0x5e/0x80 [ 7882.039491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7882.039491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7882.039491][ T7704] ip6_route_add+0x1c/0x140 [ 7882.039491][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7882.039491][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7882.039491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7882.039491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7882.039491][ T7704] netlink_rcv_skb+0x130/0x360 [ 7882.039491][ T7704] netlink_unicast+0x449/0x710 [ 7882.039491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7882.039491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7882.039491][ T7704] ___sys_sendmsg+0xee/0x170 [ 7882.039491][ T7704] __sys_sendmsg+0xcd/0x170 [ 7882.039491][ T7704] do_syscall_64+0xc6/0x1e0 [ 7882.039491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7882.039491][ T7704] [ 7882.041808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7882.041808][ T7704] netdev_get_by_index+0x5e/0x80 [ 7882.041808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7882.041808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7882.041808][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7882.041808][ T7704] ipv6_add_addr+0x411/0x2000 [ 7882.041808][ T7704] inet6_addr_add+0x30e/0xa40 [ 7882.041808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7882.041808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7882.041808][ T7704] netlink_rcv_skb+0x130/0x360 [ 7882.041808][ T7704] netlink_unicast+0x449/0x710 [ 7882.041808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7882.041808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7882.041808][ T7704] ___sys_sendmsg+0xee/0x170 [ 7882.041808][ T7704] __sys_sendmsg+0xcd/0x170 [ 7882.041808][ T7704] do_syscall_64+0xc6/0x1e0 [ 7882.041808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7882.041808][ T7704] [ 7882.044078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7882.044078][ T7704] netdev_get_by_index+0x5e/0x80 [ 7882.044078][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7882.044078][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7882.044078][ T7704] ip6_route_add+0x1c/0x140 [ 7882.044078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7882.044078][ T7704] addrconf_add_dev+0xe2/0x170 [ 7882.044078][ T7704] inet6_addr_add+0x12f/0xa40 [ 7882.044078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7882.044078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7882.044078][ T7704] netlink_rcv_skb+0x130/0x360 [ 7882.044078][ T7704] netlink_unicast+0x449/0x710 [ 7882.044078][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7882.044078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7882.044078][ T7704] ___sys_sendmsg+0xee/0x170 [ 7882.044078][ T7704] __sys_sendmsg+0xcd/0x170 [ 7882.044078][ T7704] do_syscall_64+0xc6/0x1e0 [ 7882.044078][ T7704] [ 7882.046310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7882.046310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7882.046310][ T7704] ipv6_find_idev+0x102/0x170 [ 7882.046310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7882.046310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7882.046310][ T7704] netlink_rcv_skb+0x130/0x360 [ 7882.046310][ T7704] netlink_unicast+0x449/0x710 [ 7882.046310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7882.046310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7882.046310][ T7704] ___sys_sendmsg+0xee/0x170 [ 7882.046310][ T7704] __sys_sendmsg+0xcd/0x170 [ 7882.046310][ T7704] do_syscall_64+0xc6/0x1e0 [ 7882.046310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7882.046310][ T7704] [ 7882.048048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7882.048048][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7882.048048][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7882.048048][ T7704] ipv6_find_idev+0x102/0x170 [ 7882.048048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7882.048048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7882.048048][ T7704] netlink_rcv_skb+0x130/0x360 [ 7882.048048][ T7704] netlink_unicast+0x449/0x710 [ 7882.048048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7882.048048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7882.048048][ T7704] ___sys_sendmsg+0xee/0x170 [ 7882.048048][ T7704] __sys_sendmsg+0xcd/0x170 [ 7882.048048][ T7704] do_syscall_64+0xc6/0x1e0 [ 7882.048048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7882.048048][ T7704] [ 7892.094901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7892.095429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7892.095429][ T7704] netdev_get_by_index+0x5e/0x80 [ 7892.095429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7892.095429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7892.095429][ T7704] ip6_route_add+0x1c/0x140 [ 7892.095429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7892.095429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7892.095429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7892.095429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7892.095429][ T7704] netlink_rcv_skb+0x130/0x360 [ 7892.095429][ T7704] netlink_unicast+0x449/0x710 [ 7892.095429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7892.095429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7892.095429][ T7704] ___sys_sendmsg+0xee/0x170 [ 7892.095429][ T7704] __sys_sendmsg+0xcd/0x170 [ 7892.095429][ T7704] do_syscall_64+0xc6/0x1e0 [ 7892.095429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7892.095429][ T7704] [ 7892.097725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7892.097725][ T7704] netdev_get_by_index+0x5e/0x80 [ 7892.097725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7892.097725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7892.097725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7892.097725][ T7704] ipv6_add_addr+0x411/0x2000 [ 7892.097725][ T7704] inet6_addr_add+0x30e/0xa40 [ 7892.097725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7892.097725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7892.097725][ T7704] netlink_rcv_skb+0x130/0x360 [ 7892.097725][ T7704] netlink_unicast+0x449/0x710 [ 7892.097725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7892.097725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7892.097725][ T7704] ___sys_sendmsg+0xee/0x170 [ 7892.097725][ T7704] __sys_sendmsg+0xcd/0x170 [ 7892.097725][ T7704] do_syscall_64+0xc6/0x1e0 [ 7892.097725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7892.097725][ T7704] [ 7892.099986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7892.099986][ T7704] netdev_get_by_index+0x5e/0x80 [ 7892.099986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7892.099986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7892.099986][ T7704] ip6_route_add+0x1c/0x140 [ 7892.099986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7892.099986][ T7704] addrconf_add_dev+0xe2/0x170 [ 7892.099986][ T7704] inet6_addr_add+0x12f/0xa40 [ 7892.099986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7892.099986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7892.099986][ T7704] netlink_rcv_skb+0x130/0x360 [ 7892.099986][ T7704] netlink_unicast+0x449/0x710 [ 7892.099986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7892.099986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7892.099986][ T7704] ___sys_sendmsg+0xee/0x170 [ 7892.099986][ T7704] __sys_sendmsg+0xcd/0x170 [ 7892.099986][ T7704] do_syscall_64+0xc6/0x1e0 [ 7892.099986][ T7704] [ 7892.102199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7892.102199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7892.102199][ T7704] ipv6_find_idev+0x102/0x170 [ 7892.102199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7892.102199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7892.102199][ T7704] netlink_rcv_skb+0x130/0x360 [ 7892.102199][ T7704] netlink_unicast+0x449/0x710 [ 7892.102199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7892.102199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7892.102199][ T7704] ___sys_sendmsg+0xee/0x170 [ 7892.102199][ T7704] __sys_sendmsg+0xcd/0x170 [ 7892.102199][ T7704] do_syscall_64+0xc6/0x1e0 [ 7892.102199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7892.102199][ T7704] [ 7892.103942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7892.103942][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7892.103942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7892.103942][ T7704] ipv6_find_idev+0x102/0x170 [ 7892.103942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7892.103942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7892.103942][ T7704] netlink_rcv_skb+0x130/0x360 [ 7892.103942][ T7704] netlink_unicast+0x449/0x710 [ 7892.103942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7892.103942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7892.103942][ T7704] ___sys_sendmsg+0xee/0x170 [ 7892.103942][ T7704] __sys_sendmsg+0xcd/0x170 [ 7892.103942][ T7704] do_syscall_64+0xc6/0x1e0 [ 7892.103942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7892.103942][ T7704] [ 7902.238974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7902.239507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7902.239507][ T7704] netdev_get_by_index+0x5e/0x80 [ 7902.239507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7902.239507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7902.239507][ T7704] ip6_route_add+0x1c/0x140 [ 7902.239507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7902.239507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7902.239507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7902.239507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7902.239507][ T7704] netlink_rcv_skb+0x130/0x360 [ 7902.239507][ T7704] netlink_unicast+0x449/0x710 [ 7902.239507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7902.239507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7902.239507][ T7704] ___sys_sendmsg+0xee/0x170 [ 7902.239507][ T7704] __sys_sendmsg+0xcd/0x170 [ 7902.239507][ T7704] do_syscall_64+0xc6/0x1e0 [ 7902.239507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7902.239507][ T7704] [ 7902.241886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7902.241886][ T7704] netdev_get_by_index+0x5e/0x80 [ 7902.241886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7902.241886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7902.241886][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7902.241886][ T7704] ipv6_add_addr+0x411/0x2000 [ 7902.241886][ T7704] inet6_addr_add+0x30e/0xa40 [ 7902.241886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7902.241886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7902.241886][ T7704] netlink_rcv_skb+0x130/0x360 [ 7902.241886][ T7704] netlink_unicast+0x449/0x710 [ 7902.241886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7902.241886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7902.241886][ T7704] ___sys_sendmsg+0xee/0x170 [ 7902.241886][ T7704] __sys_sendmsg+0xcd/0x170 [ 7902.241886][ T7704] do_syscall_64+0xc6/0x1e0 [ 7902.241886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7902.241886][ T7704] [ 7902.244155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7902.244155][ T7704] netdev_get_by_index+0x5e/0x80 [ 7902.244155][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7902.244155][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7902.244155][ T7704] ip6_route_add+0x1c/0x140 [ 7902.244155][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7902.244155][ T7704] addrconf_add_dev+0xe2/0x170 [ 7902.244155][ T7704] inet6_addr_add+0x12f/0xa40 [ 7902.244155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7902.244155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7902.244155][ T7704] netlink_rcv_skb+0x130/0x360 [ 7902.244155][ T7704] netlink_unicast+0x449/0x710 [ 7902.244155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7902.244155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7902.244155][ T7704] ___sys_sendmsg+0xee/0x170 [ 7902.244155][ T7704] __sys_sendmsg+0xcd/0x170 [ 7902.244155][ T7704] do_syscall_64+0xc6/0x1e0 [ 7902.244155][ T7704] [ 7902.246381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7902.246381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7902.246381][ T7704] ipv6_find_idev+0x102/0x170 [ 7902.246381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7902.246381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7902.246381][ T7704] netlink_rcv_skb+0x130/0x360 [ 7902.246381][ T7704] netlink_unicast+0x449/0x710 [ 7902.246381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7902.246381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7902.246381][ T7704] ___sys_sendmsg+0xee/0x170 [ 7902.246381][ T7704] __sys_sendmsg+0xcd/0x170 [ 7902.246381][ T7704] do_syscall_64+0xc6/0x1e0 [ 7902.246381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7902.246381][ T7704] [ 7902.248123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7902.248123][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7902.248123][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7902.248123][ T7704] ipv6_find_idev+0x102/0x170 [ 7902.248123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7902.248123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7902.248123][ T7704] netlink_rcv_skb+0x130/0x360 [ 7902.248123][ T7704] netlink_unicast+0x449/0x710 [ 7902.248123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7902.248123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7902.248123][ T7704] ___sys_sendmsg+0xee/0x170 [ 7902.248123][ T7704] __sys_sendmsg+0xcd/0x170 [ 7902.248123][ T7704] do_syscall_64+0xc6/0x1e0 [ 7902.248123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7902.248123][ T7704] [ 7912.374930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7912.375401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7912.375401][ T7704] netdev_get_by_index+0x5e/0x80 [ 7912.375401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7912.375401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7912.375401][ T7704] ip6_route_add+0x1c/0x140 [ 7912.375401][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7912.375401][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7912.375401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7912.375401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7912.375401][ T7704] netlink_rcv_skb+0x130/0x360 [ 7912.375401][ T7704] netlink_unicast+0x449/0x710 [ 7912.375401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7912.375401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7912.375401][ T7704] ___sys_sendmsg+0xee/0x170 [ 7912.375401][ T7704] __sys_sendmsg+0xcd/0x170 [ 7912.375401][ T7704] do_syscall_64+0xc6/0x1e0 [ 7912.375401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7912.375401][ T7704] [ 7912.377797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7912.377797][ T7704] netdev_get_by_index+0x5e/0x80 [ 7912.377797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7912.377797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7912.377797][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7912.377797][ T7704] ipv6_add_addr+0x411/0x2000 [ 7912.377797][ T7704] inet6_addr_add+0x30e/0xa40 [ 7912.377797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7912.377797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7912.377797][ T7704] netlink_rcv_skb+0x130/0x360 [ 7912.377797][ T7704] netlink_unicast+0x449/0x710 [ 7912.377797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7912.377797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7912.377797][ T7704] ___sys_sendmsg+0xee/0x170 [ 7912.377797][ T7704] __sys_sendmsg+0xcd/0x170 [ 7912.377797][ T7704] do_syscall_64+0xc6/0x1e0 [ 7912.377797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7912.377797][ T7704] [ 7912.380063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7912.380063][ T7704] netdev_get_by_index+0x5e/0x80 [ 7912.380063][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7912.380063][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7912.380063][ T7704] ip6_route_add+0x1c/0x140 [ 7912.380063][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7912.380063][ T7704] addrconf_add_dev+0xe2/0x170 [ 7912.380063][ T7704] inet6_addr_add+0x12f/0xa40 [ 7912.380063][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7912.380063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7912.380063][ T7704] netlink_rcv_skb+0x130/0x360 [ 7912.380063][ T7704] netlink_unicast+0x449/0x710 [ 7912.380063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7912.380063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7912.380063][ T7704] ___sys_sendmsg+0xee/0x170 [ 7912.380063][ T7704] __sys_sendmsg+0xcd/0x170 [ 7912.380063][ T7704] do_syscall_64+0xc6/0x1e0 [ 7912.380063][ T7704] [ 7912.382278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7912.382278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7912.382278][ T7704] ipv6_find_idev+0x102/0x170 [ 7912.382278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7912.382278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7912.382278][ T7704] netlink_rcv_skb+0x130/0x360 [ 7912.382278][ T7704] netlink_unicast+0x449/0x710 [ 7912.382278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7912.382278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7912.382278][ T7704] ___sys_sendmsg+0xee/0x170 [ 7912.382278][ T7704] __sys_sendmsg+0xcd/0x170 [ 7912.382278][ T7704] do_syscall_64+0xc6/0x1e0 [ 7912.382278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7912.382278][ T7704] [ 7912.384016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7912.384016][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7912.384016][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7912.384016][ T7704] ipv6_find_idev+0x102/0x170 [ 7912.384016][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7912.384016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7912.384016][ T7704] netlink_rcv_skb+0x130/0x360 [ 7912.384016][ T7704] netlink_unicast+0x449/0x710 [ 7912.384016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7912.384016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7912.384016][ T7704] ___sys_sendmsg+0xee/0x170 [ 7912.384016][ T7704] __sys_sendmsg+0xcd/0x170 [ 7912.384016][ T7704] do_syscall_64+0xc6/0x1e0 [ 7912.384016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7912.384016][ T7704] [ 7922.622932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7922.623373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7922.623373][ T7704] netdev_get_by_index+0x5e/0x80 [ 7922.623373][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7922.623373][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7922.623373][ T7704] ip6_route_add+0x1c/0x140 [ 7922.623373][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7922.623373][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7922.623373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7922.623373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7922.623373][ T7704] netlink_rcv_skb+0x130/0x360 [ 7922.623373][ T7704] netlink_unicast+0x449/0x710 [ 7922.623373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7922.623373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7922.623373][ T7704] ___sys_sendmsg+0xee/0x170 [ 7922.623373][ T7704] __sys_sendmsg+0xcd/0x170 [ 7922.623373][ T7704] do_syscall_64+0xc6/0x1e0 [ 7922.623373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7922.623373][ T7704] [ 7922.625636][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7922.625636][ T7704] netdev_get_by_index+0x5e/0x80 [ 7922.625636][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7922.625636][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7922.625636][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7922.625636][ T7704] ipv6_add_addr+0x411/0x2000 [ 7922.625636][ T7704] inet6_addr_add+0x30e/0xa40 [ 7922.625636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7922.625636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7922.625636][ T7704] netlink_rcv_skb+0x130/0x360 [ 7922.625636][ T7704] netlink_unicast+0x449/0x710 [ 7922.625636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7922.625636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7922.625636][ T7704] ___sys_sendmsg+0xee/0x170 [ 7922.625636][ T7704] __sys_sendmsg+0xcd/0x170 [ 7922.625636][ T7704] do_syscall_64+0xc6/0x1e0 [ 7922.625636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7922.625636][ T7704] [ 7922.627855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7922.627855][ T7704] netdev_get_by_index+0x5e/0x80 [ 7922.627855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7922.627855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7922.627855][ T7704] ip6_route_add+0x1c/0x140 [ 7922.627855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7922.627855][ T7704] addrconf_add_dev+0xe2/0x170 [ 7922.627855][ T7704] inet6_addr_add+0x12f/0xa40 [ 7922.627855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7922.627855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7922.627855][ T7704] netlink_rcv_skb+0x130/0x360 [ 7922.627855][ T7704] netlink_unicast+0x449/0x710 [ 7922.627855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7922.627855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7922.627855][ T7704] ___sys_sendmsg+0xee/0x170 [ 7922.627855][ T7704] __sys_sendmsg+0xcd/0x170 [ 7922.627855][ T7704] do_syscall_64+0xc6/0x1e0 [ 7922.627855][ T7704] [ 7922.630040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7922.630040][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7922.630040][ T7704] ipv6_find_idev+0x102/0x170 [ 7922.630040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7922.630040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7922.630040][ T7704] netlink_rcv_skb+0x130/0x360 [ 7922.630040][ T7704] netlink_unicast+0x449/0x710 [ 7922.630040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7922.630040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7922.630040][ T7704] ___sys_sendmsg+0xee/0x170 [ 7922.630040][ T7704] __sys_sendmsg+0xcd/0x170 [ 7922.630040][ T7704] do_syscall_64+0xc6/0x1e0 [ 7922.630040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7922.630040][ T7704] [ 7922.631752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7922.631752][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7922.631752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7922.631752][ T7704] ipv6_find_idev+0x102/0x170 [ 7922.631752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7922.631752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7922.631752][ T7704] netlink_rcv_skb+0x130/0x360 [ 7922.631752][ T7704] netlink_unicast+0x449/0x710 [ 7922.631752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7922.631752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7922.631752][ T7704] ___sys_sendmsg+0xee/0x170 [ 7922.631752][ T7704] __sys_sendmsg+0xcd/0x170 [ 7922.631752][ T7704] do_syscall_64+0xc6/0x1e0 [ 7922.631752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7922.631752][ T7704] [ 7932.702885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7932.703503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7932.703503][ T7704] netdev_get_by_index+0x5e/0x80 [ 7932.703503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7932.703503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7932.703503][ T7704] ip6_route_add+0x1c/0x140 [ 7932.703503][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7932.703503][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7932.703503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7932.703503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7932.703503][ T7704] netlink_rcv_skb+0x130/0x360 [ 7932.703503][ T7704] netlink_unicast+0x449/0x710 [ 7932.703503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7932.703503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7932.703503][ T7704] ___sys_sendmsg+0xee/0x170 [ 7932.703503][ T7704] __sys_sendmsg+0xcd/0x170 [ 7932.703503][ T7704] do_syscall_64+0xc6/0x1e0 [ 7932.703503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7932.703503][ T7704] [ 7932.707174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7932.707174][ T7704] netdev_get_by_index+0x5e/0x80 [ 7932.707174][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7932.707174][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7932.707174][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7932.707174][ T7704] ipv6_add_addr+0x411/0x2000 [ 7932.707174][ T7704] inet6_addr_add+0x30e/0xa40 [ 7932.707174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7932.707174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7932.707174][ T7704] netlink_rcv_skb+0x130/0x360 [ 7932.707174][ T7704] netlink_unicast+0x449/0x710 [ 7932.707174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7932.707174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7932.707174][ T7704] ___sys_sendmsg+0xee/0x170 [ 7932.707174][ T7704] __sys_sendmsg+0xcd/0x170 [ 7932.707174][ T7704] do_syscall_64+0xc6/0x1e0 [ 7932.707174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7932.707174][ T7704] [ 7932.710866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7932.710866][ T7704] netdev_get_by_index+0x5e/0x80 [ 7932.710866][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7932.710866][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7932.710866][ T7704] ip6_route_add+0x1c/0x140 [ 7932.710866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7932.710866][ T7704] addrconf_add_dev+0xe2/0x170 [ 7932.710866][ T7704] inet6_addr_add+0x12f/0xa40 [ 7932.710866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7932.710866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7932.710866][ T7704] netlink_rcv_skb+0x130/0x360 [ 7932.710866][ T7704] netlink_unicast+0x449/0x710 [ 7932.710866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7932.710866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7932.710866][ T7704] ___sys_sendmsg+0xee/0x170 [ 7932.710866][ T7704] __sys_sendmsg+0xcd/0x170 [ 7932.710866][ T7704] do_syscall_64+0xc6/0x1e0 [ 7932.710866][ T7704] [ 7932.714489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7932.714489][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7932.714489][ T7704] ipv6_find_idev+0x102/0x170 [ 7932.714489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7932.714489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7932.714489][ T7704] netlink_rcv_skb+0x130/0x360 [ 7932.714489][ T7704] netlink_unicast+0x449/0x710 [ 7932.714489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7932.714489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7932.714489][ T7704] ___sys_sendmsg+0xee/0x170 [ 7932.714489][ T7704] __sys_sendmsg+0xcd/0x170 [ 7932.714489][ T7704] do_syscall_64+0xc6/0x1e0 [ 7932.714489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7932.714489][ T7704] [ 7932.717881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7932.717881][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7932.717881][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7932.717881][ T7704] ipv6_find_idev+0x102/0x170 [ 7932.717881][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7932.717881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7932.717881][ T7704] netlink_rcv_skb+0x130/0x360 [ 7932.717881][ T7704] netlink_unicast+0x449/0x710 [ 7932.717881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7932.717881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7932.717881][ T7704] ___sys_sendmsg+0xee/0x170 [ 7932.717881][ T7704] __sys_sendmsg+0xcd/0x170 [ 7932.717881][ T7704] do_syscall_64+0xc6/0x1e0 [ 7932.717881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7932.717881][ T7704] [ 7942.966940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7942.967558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7942.967558][ T7704] netdev_get_by_index+0x5e/0x80 [ 7942.967558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7942.967558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7942.967558][ T7704] ip6_route_add+0x1c/0x140 [ 7942.967558][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7942.967558][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7942.967558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7942.967558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.967558][ T7704] netlink_rcv_skb+0x130/0x360 [ 7942.967558][ T7704] netlink_unicast+0x449/0x710 [ 7942.967558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7942.967558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7942.967558][ T7704] ___sys_sendmsg+0xee/0x170 [ 7942.967558][ T7704] __sys_sendmsg+0xcd/0x170 [ 7942.967558][ T7704] do_syscall_64+0xc6/0x1e0 [ 7942.967558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.967558][ T7704] [ 7942.971228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7942.971228][ T7704] netdev_get_by_index+0x5e/0x80 [ 7942.971228][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7942.971228][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7942.971228][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7942.971228][ T7704] ipv6_add_addr+0x411/0x2000 [ 7942.971228][ T7704] inet6_addr_add+0x30e/0xa40 [ 7942.971228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7942.971228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.971228][ T7704] netlink_rcv_skb+0x130/0x360 [ 7942.971228][ T7704] netlink_unicast+0x449/0x710 [ 7942.971228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7942.971228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7942.971228][ T7704] ___sys_sendmsg+0xee/0x170 [ 7942.971228][ T7704] __sys_sendmsg+0xcd/0x170 [ 7942.971228][ T7704] do_syscall_64+0xc6/0x1e0 [ 7942.971228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.971228][ T7704] [ 7942.974916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7942.974916][ T7704] netdev_get_by_index+0x5e/0x80 [ 7942.974916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7942.974916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7942.974916][ T7704] ip6_route_add+0x1c/0x140 [ 7942.974916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7942.974916][ T7704] addrconf_add_dev+0xe2/0x170 [ 7942.974916][ T7704] inet6_addr_add+0x12f/0xa40 [ 7942.974916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7942.974916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.974916][ T7704] netlink_rcv_skb+0x130/0x360 [ 7942.974916][ T7704] netlink_unicast+0x449/0x710 [ 7942.974916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7942.974916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7942.974916][ T7704] ___sys_sendmsg+0xee/0x170 [ 7942.974916][ T7704] __sys_sendmsg+0xcd/0x170 [ 7942.974916][ T7704] do_syscall_64+0xc6/0x1e0 [ 7942.974916][ T7704] [ 7942.978911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7942.978911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7942.978911][ T7704] ipv6_find_idev+0x102/0x170 [ 7942.978911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7942.978911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.978911][ T7704] netlink_rcv_skb+0x130/0x360 [ 7942.978911][ T7704] netlink_unicast+0x449/0x710 [ 7942.978911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7942.978911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7942.978911][ T7704] ___sys_sendmsg+0xee/0x170 [ 7942.978911][ T7704] __sys_sendmsg+0xcd/0x170 [ 7942.978911][ T7704] do_syscall_64+0xc6/0x1e0 [ 7942.978911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.978911][ T7704] [ 7942.981737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7942.981737][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7942.981737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7942.981737][ T7704] ipv6_find_idev+0x102/0x170 [ 7942.981737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7942.981737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.981737][ T7704] netlink_rcv_skb+0x130/0x360 [ 7942.981737][ T7704] netlink_unicast+0x449/0x710 [ 7942.981737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7942.981737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7942.981737][ T7704] ___sys_sendmsg+0xee/0x170 [ 7942.981737][ T7704] __sys_sendmsg+0xcd/0x170 [ 7942.981737][ T7704] do_syscall_64+0xc6/0x1e0 [ 7942.981737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.981737][ T7704] [ 7953.062880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7953.063389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7953.063389][ T7704] netdev_get_by_index+0x5e/0x80 [ 7953.063389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7953.063389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7953.063389][ T7704] ip6_route_add+0x1c/0x140 [ 7953.063389][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7953.063389][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7953.063389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7953.063389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7953.063389][ T7704] netlink_rcv_skb+0x130/0x360 [ 7953.063389][ T7704] netlink_unicast+0x449/0x710 [ 7953.063389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7953.063389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7953.063389][ T7704] ___sys_sendmsg+0xee/0x170 [ 7953.063389][ T7704] __sys_sendmsg+0xcd/0x170 [ 7953.063389][ T7704] do_syscall_64+0xc6/0x1e0 [ 7953.063389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7953.063389][ T7704] [ 7953.065631][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7953.065631][ T7704] netdev_get_by_index+0x5e/0x80 [ 7953.065631][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7953.065631][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7953.065631][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7953.065631][ T7704] ipv6_add_addr+0x411/0x2000 [ 7953.065631][ T7704] inet6_addr_add+0x30e/0xa40 [ 7953.065631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7953.065631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7953.065631][ T7704] netlink_rcv_skb+0x130/0x360 [ 7953.065631][ T7704] netlink_unicast+0x449/0x710 [ 7953.065631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7953.065631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7953.065631][ T7704] ___sys_sendmsg+0xee/0x170 [ 7953.065631][ T7704] __sys_sendmsg+0xcd/0x170 [ 7953.065631][ T7704] do_syscall_64+0xc6/0x1e0 [ 7953.065631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7953.065631][ T7704] [ 7953.067848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7953.067848][ T7704] netdev_get_by_index+0x5e/0x80 [ 7953.067848][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7953.067848][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7953.067848][ T7704] ip6_route_add+0x1c/0x140 [ 7953.067848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7953.067848][ T7704] addrconf_add_dev+0xe2/0x170 [ 7953.067848][ T7704] inet6_addr_add+0x12f/0xa40 [ 7953.067848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7953.067848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7953.067848][ T7704] netlink_rcv_skb+0x130/0x360 [ 7953.067848][ T7704] netlink_unicast+0x449/0x710 [ 7953.067848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7953.067848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7953.067848][ T7704] ___sys_sendmsg+0xee/0x170 [ 7953.067848][ T7704] __sys_sendmsg+0xcd/0x170 [ 7953.067848][ T7704] do_syscall_64+0xc6/0x1e0 [ 7953.067848][ T7704] [ 7953.070030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7953.070030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7953.070030][ T7704] ipv6_find_idev+0x102/0x170 [ 7953.070030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7953.070030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7953.070030][ T7704] netlink_rcv_skb+0x130/0x360 [ 7953.070030][ T7704] netlink_unicast+0x449/0x710 [ 7953.070030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7953.070030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7953.070030][ T7704] ___sys_sendmsg+0xee/0x170 [ 7953.070030][ T7704] __sys_sendmsg+0xcd/0x170 [ 7953.070030][ T7704] do_syscall_64+0xc6/0x1e0 [ 7953.070030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7953.070030][ T7704] [ 7953.071737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7953.071737][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7953.071737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7953.071737][ T7704] ipv6_find_idev+0x102/0x170 [ 7953.071737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7953.071737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7953.071737][ T7704] netlink_rcv_skb+0x130/0x360 [ 7953.071737][ T7704] netlink_unicast+0x449/0x710 [ 7953.071737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7953.071737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7953.071737][ T7704] ___sys_sendmsg+0xee/0x170 [ 7953.071737][ T7704] __sys_sendmsg+0xcd/0x170 [ 7953.071737][ T7704] do_syscall_64+0xc6/0x1e0 [ 7953.071737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7953.071737][ T7704] [ 7963.118947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7963.119457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7963.119457][ T7704] netdev_get_by_index+0x5e/0x80 [ 7963.119457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7963.119457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7963.119457][ T7704] ip6_route_add+0x1c/0x140 [ 7963.119457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7963.119457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7963.119457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7963.119457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7963.119457][ T7704] netlink_rcv_skb+0x130/0x360 [ 7963.119457][ T7704] netlink_unicast+0x449/0x710 [ 7963.119457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7963.119457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7963.119457][ T7704] ___sys_sendmsg+0xee/0x170 [ 7963.119457][ T7704] __sys_sendmsg+0xcd/0x170 [ 7963.119457][ T7704] do_syscall_64+0xc6/0x1e0 [ 7963.119457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7963.119457][ T7704] [ 7963.121723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7963.121723][ T7704] netdev_get_by_index+0x5e/0x80 [ 7963.121723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7963.121723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7963.121723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7963.121723][ T7704] ipv6_add_addr+0x411/0x2000 [ 7963.121723][ T7704] inet6_addr_add+0x30e/0xa40 [ 7963.121723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7963.121723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7963.121723][ T7704] netlink_rcv_skb+0x130/0x360 [ 7963.121723][ T7704] netlink_unicast+0x449/0x710 [ 7963.121723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7963.121723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7963.121723][ T7704] ___sys_sendmsg+0xee/0x170 [ 7963.121723][ T7704] __sys_sendmsg+0xcd/0x170 [ 7963.121723][ T7704] do_syscall_64+0xc6/0x1e0 [ 7963.121723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7963.121723][ T7704] [ 7963.124094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7963.124094][ T7704] netdev_get_by_index+0x5e/0x80 [ 7963.124094][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7963.124094][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7963.124094][ T7704] ip6_route_add+0x1c/0x140 [ 7963.124094][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7963.124094][ T7704] addrconf_add_dev+0xe2/0x170 [ 7963.124094][ T7704] inet6_addr_add+0x12f/0xa40 [ 7963.124094][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7963.124094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7963.124094][ T7704] netlink_rcv_skb+0x130/0x360 [ 7963.124094][ T7704] netlink_unicast+0x449/0x710 [ 7963.124094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7963.124094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7963.124094][ T7704] ___sys_sendmsg+0xee/0x170 [ 7963.124094][ T7704] __sys_sendmsg+0xcd/0x170 [ 7963.124094][ T7704] do_syscall_64+0xc6/0x1e0 [ 7963.124094][ T7704] [ 7963.126475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7963.126475][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7963.126475][ T7704] ipv6_find_idev+0x102/0x170 [ 7963.126475][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7963.126475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7963.126475][ T7704] netlink_rcv_skb+0x130/0x360 [ 7963.126475][ T7704] netlink_unicast+0x449/0x710 [ 7963.126475][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7963.126475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7963.126475][ T7704] ___sys_sendmsg+0xee/0x170 [ 7963.126475][ T7704] __sys_sendmsg+0xcd/0x170 [ 7963.126475][ T7704] do_syscall_64+0xc6/0x1e0 [ 7963.126475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7963.126475][ T7704] [ 7963.128337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7963.128337][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7963.128337][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7963.128337][ T7704] ipv6_find_idev+0x102/0x170 [ 7963.128337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7963.128337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7963.128337][ T7704] netlink_rcv_skb+0x130/0x360 [ 7963.128337][ T7704] netlink_unicast+0x449/0x710 [ 7963.128337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7963.128337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7963.128337][ T7704] ___sys_sendmsg+0xee/0x170 [ 7963.128337][ T7704] __sys_sendmsg+0xcd/0x170 [ 7963.128337][ T7704] do_syscall_64+0xc6/0x1e0 [ 7963.128337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7963.128337][ T7704] [ 7973.366936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7973.367451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7973.367451][ T7704] netdev_get_by_index+0x5e/0x80 [ 7973.367451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7973.367451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7973.367451][ T7704] ip6_route_add+0x1c/0x140 [ 7973.367451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7973.367451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7973.367451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7973.367451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7973.367451][ T7704] netlink_rcv_skb+0x130/0x360 [ 7973.367451][ T7704] netlink_unicast+0x449/0x710 [ 7973.367451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7973.367451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7973.367451][ T7704] ___sys_sendmsg+0xee/0x170 [ 7973.367451][ T7704] __sys_sendmsg+0xcd/0x170 [ 7973.367451][ T7704] do_syscall_64+0xc6/0x1e0 [ 7973.367451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7973.367451][ T7704] [ 7973.370071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7973.370071][ T7704] netdev_get_by_index+0x5e/0x80 [ 7973.370071][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7973.370071][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7973.370071][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7973.370071][ T7704] ipv6_add_addr+0x411/0x2000 [ 7973.370071][ T7704] inet6_addr_add+0x30e/0xa40 [ 7973.370071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7973.370071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7973.370071][ T7704] netlink_rcv_skb+0x130/0x360 [ 7973.370071][ T7704] netlink_unicast+0x449/0x710 [ 7973.370071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7973.370071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7973.370071][ T7704] ___sys_sendmsg+0xee/0x170 [ 7973.370071][ T7704] __sys_sendmsg+0xcd/0x170 [ 7973.370071][ T7704] do_syscall_64+0xc6/0x1e0 [ 7973.370071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7973.370071][ T7704] [ 7973.372295][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7973.372295][ T7704] netdev_get_by_index+0x5e/0x80 [ 7973.372295][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7973.372295][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7973.372295][ T7704] ip6_route_add+0x1c/0x140 [ 7973.372295][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7973.372295][ T7704] addrconf_add_dev+0xe2/0x170 [ 7973.372295][ T7704] inet6_addr_add+0x12f/0xa40 [ 7973.372295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7973.372295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7973.372295][ T7704] netlink_rcv_skb+0x130/0x360 [ 7973.372295][ T7704] netlink_unicast+0x449/0x710 [ 7973.372295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7973.372295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7973.372295][ T7704] ___sys_sendmsg+0xee/0x170 [ 7973.372295][ T7704] __sys_sendmsg+0xcd/0x170 [ 7973.372295][ T7704] do_syscall_64+0xc6/0x1e0 [ 7973.372295][ T7704] [ 7973.374474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7973.374474][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7973.374474][ T7704] ipv6_find_idev+0x102/0x170 [ 7973.374474][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7973.374474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7973.374474][ T7704] netlink_rcv_skb+0x130/0x360 [ 7973.374474][ T7704] netlink_unicast+0x449/0x710 [ 7973.374474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7973.374474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7973.374474][ T7704] ___sys_sendmsg+0xee/0x170 [ 7973.374474][ T7704] __sys_sendmsg+0xcd/0x170 [ 7973.374474][ T7704] do_syscall_64+0xc6/0x1e0 [ 7973.374474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7973.374474][ T7704] [ 7973.376182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7973.376182][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7973.376182][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7973.376182][ T7704] ipv6_find_idev+0x102/0x170 [ 7973.376182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7973.376182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7973.376182][ T7704] netlink_rcv_skb+0x130/0x360 [ 7973.376182][ T7704] netlink_unicast+0x449/0x710 [ 7973.376182][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7973.376182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7973.376182][ T7704] ___sys_sendmsg+0xee/0x170 [ 7973.376182][ T7704] __sys_sendmsg+0xcd/0x170 [ 7973.376182][ T7704] do_syscall_64+0xc6/0x1e0 [ 7973.376182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7973.376182][ T7704] [ 7983.614933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7983.615382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7983.615382][ T7704] netdev_get_by_index+0x5e/0x80 [ 7983.615382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7983.615382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7983.615382][ T7704] ip6_route_add+0x1c/0x140 [ 7983.615382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7983.615382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7983.615382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7983.615382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7983.615382][ T7704] netlink_rcv_skb+0x130/0x360 [ 7983.615382][ T7704] netlink_unicast+0x449/0x710 [ 7983.615382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7983.615382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7983.615382][ T7704] ___sys_sendmsg+0xee/0x170 [ 7983.615382][ T7704] __sys_sendmsg+0xcd/0x170 [ 7983.615382][ T7704] do_syscall_64+0xc6/0x1e0 [ 7983.615382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7983.615382][ T7704] [ 7983.617652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7983.617652][ T7704] netdev_get_by_index+0x5e/0x80 [ 7983.617652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7983.617652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7983.617652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7983.617652][ T7704] ipv6_add_addr+0x411/0x2000 [ 7983.617652][ T7704] inet6_addr_add+0x30e/0xa40 [ 7983.617652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7983.617652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7983.617652][ T7704] netlink_rcv_skb+0x130/0x360 [ 7983.617652][ T7704] netlink_unicast+0x449/0x710 [ 7983.617652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7983.617652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7983.617652][ T7704] ___sys_sendmsg+0xee/0x170 [ 7983.617652][ T7704] __sys_sendmsg+0xcd/0x170 [ 7983.617652][ T7704] do_syscall_64+0xc6/0x1e0 [ 7983.617652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7983.617652][ T7704] [ 7983.619863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7983.619863][ T7704] netdev_get_by_index+0x5e/0x80 [ 7983.619863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7983.619863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7983.619863][ T7704] ip6_route_add+0x1c/0x140 [ 7983.619863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7983.619863][ T7704] addrconf_add_dev+0xe2/0x170 [ 7983.619863][ T7704] inet6_addr_add+0x12f/0xa40 [ 7983.619863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7983.619863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7983.619863][ T7704] netlink_rcv_skb+0x130/0x360 [ 7983.619863][ T7704] netlink_unicast+0x449/0x710 [ 7983.619863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7983.619863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7983.619863][ T7704] ___sys_sendmsg+0xee/0x170 [ 7983.619863][ T7704] __sys_sendmsg+0xcd/0x170 [ 7983.619863][ T7704] do_syscall_64+0xc6/0x1e0 [ 7983.619863][ T7704] [ 7983.622038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7983.622038][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7983.622038][ T7704] ipv6_find_idev+0x102/0x170 [ 7983.622038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7983.622038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7983.622038][ T7704] netlink_rcv_skb+0x130/0x360 [ 7983.622038][ T7704] netlink_unicast+0x449/0x710 [ 7983.622038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7983.622038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7983.622038][ T7704] ___sys_sendmsg+0xee/0x170 [ 7983.622038][ T7704] __sys_sendmsg+0xcd/0x170 [ 7983.622038][ T7704] do_syscall_64+0xc6/0x1e0 [ 7983.622038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7983.622038][ T7704] [ 7983.623763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7983.623763][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7983.623763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7983.623763][ T7704] ipv6_find_idev+0x102/0x170 [ 7983.623763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7983.623763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7983.623763][ T7704] netlink_rcv_skb+0x130/0x360 [ 7983.623763][ T7704] netlink_unicast+0x449/0x710 [ 7983.623763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7983.623763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7983.623763][ T7704] ___sys_sendmsg+0xee/0x170 [ 7983.623763][ T7704] __sys_sendmsg+0xcd/0x170 [ 7983.623763][ T7704] do_syscall_64+0xc6/0x1e0 [ 7983.623763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7983.623763][ T7704] [ 7993.862948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7993.863417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7993.863417][ T7704] netdev_get_by_index+0x5e/0x80 [ 7993.863417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7993.863417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7993.863417][ T7704] ip6_route_add+0x1c/0x140 [ 7993.863417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7993.863417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7993.863417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7993.863417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.863417][ T7704] netlink_rcv_skb+0x130/0x360 [ 7993.863417][ T7704] netlink_unicast+0x449/0x710 [ 7993.863417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7993.863417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7993.863417][ T7704] ___sys_sendmsg+0xee/0x170 [ 7993.863417][ T7704] __sys_sendmsg+0xcd/0x170 [ 7993.863417][ T7704] do_syscall_64+0xc6/0x1e0 [ 7993.863417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.863417][ T7704] [ 7993.865679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7993.865679][ T7704] netdev_get_by_index+0x5e/0x80 [ 7993.865679][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7993.865679][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7993.865679][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7993.865679][ T7704] ipv6_add_addr+0x411/0x2000 [ 7993.865679][ T7704] inet6_addr_add+0x30e/0xa40 [ 7993.865679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7993.865679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.865679][ T7704] netlink_rcv_skb+0x130/0x360 [ 7993.865679][ T7704] netlink_unicast+0x449/0x710 [ 7993.865679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7993.865679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7993.865679][ T7704] ___sys_sendmsg+0xee/0x170 [ 7993.865679][ T7704] __sys_sendmsg+0xcd/0x170 [ 7993.865679][ T7704] do_syscall_64+0xc6/0x1e0 [ 7993.865679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.865679][ T7704] [ 7993.867896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7993.867896][ T7704] netdev_get_by_index+0x5e/0x80 [ 7993.867896][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7993.867896][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7993.867896][ T7704] ip6_route_add+0x1c/0x140 [ 7993.867896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7993.867896][ T7704] addrconf_add_dev+0xe2/0x170 [ 7993.867896][ T7704] inet6_addr_add+0x12f/0xa40 [ 7993.867896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7993.867896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.867896][ T7704] netlink_rcv_skb+0x130/0x360 [ 7993.867896][ T7704] netlink_unicast+0x449/0x710 [ 7993.867896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7993.867896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7993.867896][ T7704] ___sys_sendmsg+0xee/0x170 [ 7993.867896][ T7704] __sys_sendmsg+0xcd/0x170 [ 7993.867896][ T7704] do_syscall_64+0xc6/0x1e0 [ 7993.867896][ T7704] [ 7993.870076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7993.870076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7993.870076][ T7704] ipv6_find_idev+0x102/0x170 [ 7993.870076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7993.870076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.870076][ T7704] netlink_rcv_skb+0x130/0x360 [ 7993.870076][ T7704] netlink_unicast+0x449/0x710 [ 7993.870076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7993.870076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7993.870076][ T7704] ___sys_sendmsg+0xee/0x170 [ 7993.870076][ T7704] __sys_sendmsg+0xcd/0x170 [ 7993.870076][ T7704] do_syscall_64+0xc6/0x1e0 [ 7993.870076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.870076][ T7704] [ 7993.871789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 7993.871789][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7993.871789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7993.871789][ T7704] ipv6_find_idev+0x102/0x170 [ 7993.871789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7993.871789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.871789][ T7704] netlink_rcv_skb+0x130/0x360 [ 7993.871789][ T7704] netlink_unicast+0x449/0x710 [ 7993.871789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7993.871789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7993.871789][ T7704] ___sys_sendmsg+0xee/0x170 [ 7993.871789][ T7704] __sys_sendmsg+0xcd/0x170 [ 7993.871789][ T7704] do_syscall_64+0xc6/0x1e0 [ 7993.871789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.871789][ T7704] [ 8004.110938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8004.111435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8004.111435][ T7704] netdev_get_by_index+0x5e/0x80 [ 8004.111435][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8004.111435][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8004.111435][ T7704] ip6_route_add+0x1c/0x140 [ 8004.111435][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8004.111435][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8004.111435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8004.111435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8004.111435][ T7704] netlink_rcv_skb+0x130/0x360 [ 8004.111435][ T7704] netlink_unicast+0x449/0x710 [ 8004.111435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8004.111435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8004.111435][ T7704] ___sys_sendmsg+0xee/0x170 [ 8004.111435][ T7704] __sys_sendmsg+0xcd/0x170 [ 8004.111435][ T7704] do_syscall_64+0xc6/0x1e0 [ 8004.111435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8004.111435][ T7704] [ 8004.113700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8004.113700][ T7704] netdev_get_by_index+0x5e/0x80 [ 8004.113700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8004.113700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8004.113700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8004.113700][ T7704] ipv6_add_addr+0x411/0x2000 [ 8004.113700][ T7704] inet6_addr_add+0x30e/0xa40 [ 8004.113700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8004.113700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8004.113700][ T7704] netlink_rcv_skb+0x130/0x360 [ 8004.113700][ T7704] netlink_unicast+0x449/0x710 [ 8004.113700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8004.113700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8004.113700][ T7704] ___sys_sendmsg+0xee/0x170 [ 8004.113700][ T7704] __sys_sendmsg+0xcd/0x170 [ 8004.113700][ T7704] do_syscall_64+0xc6/0x1e0 [ 8004.113700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8004.113700][ T7704] [ 8004.115928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8004.115928][ T7704] netdev_get_by_index+0x5e/0x80 [ 8004.115928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8004.115928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8004.115928][ T7704] ip6_route_add+0x1c/0x140 [ 8004.115928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8004.115928][ T7704] addrconf_add_dev+0xe2/0x170 [ 8004.115928][ T7704] inet6_addr_add+0x12f/0xa40 [ 8004.115928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8004.115928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8004.115928][ T7704] netlink_rcv_skb+0x130/0x360 [ 8004.115928][ T7704] netlink_unicast+0x449/0x710 [ 8004.115928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8004.115928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8004.115928][ T7704] ___sys_sendmsg+0xee/0x170 [ 8004.115928][ T7704] __sys_sendmsg+0xcd/0x170 [ 8004.115928][ T7704] do_syscall_64+0xc6/0x1e0 [ 8004.115928][ T7704] [ 8004.118107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8004.118107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8004.118107][ T7704] ipv6_find_idev+0x102/0x170 [ 8004.118107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8004.118107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8004.118107][ T7704] netlink_rcv_skb+0x130/0x360 [ 8004.118107][ T7704] netlink_unicast+0x449/0x710 [ 8004.118107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8004.118107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8004.118107][ T7704] ___sys_sendmsg+0xee/0x170 [ 8004.118107][ T7704] __sys_sendmsg+0xcd/0x170 [ 8004.118107][ T7704] do_syscall_64+0xc6/0x1e0 [ 8004.118107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8004.118107][ T7704] [ 8004.119850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8004.119850][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8004.119850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8004.119850][ T7704] ipv6_find_idev+0x102/0x170 [ 8004.119850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8004.119850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8004.119850][ T7704] netlink_rcv_skb+0x130/0x360 [ 8004.119850][ T7704] netlink_unicast+0x449/0x710 [ 8004.119850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8004.119850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8004.119850][ T7704] ___sys_sendmsg+0xee/0x170 [ 8004.119850][ T7704] __sys_sendmsg+0xcd/0x170 [ 8004.119850][ T7704] do_syscall_64+0xc6/0x1e0 [ 8004.119850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8004.119850][ T7704] [ 8014.358931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8014.359384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8014.359384][ T7704] netdev_get_by_index+0x5e/0x80 [ 8014.359384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8014.359384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8014.359384][ T7704] ip6_route_add+0x1c/0x140 [ 8014.359384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8014.359384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8014.359384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8014.359384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8014.359384][ T7704] netlink_rcv_skb+0x130/0x360 [ 8014.359384][ T7704] netlink_unicast+0x449/0x710 [ 8014.359384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8014.359384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8014.359384][ T7704] ___sys_sendmsg+0xee/0x170 [ 8014.359384][ T7704] __sys_sendmsg+0xcd/0x170 [ 8014.359384][ T7704] do_syscall_64+0xc6/0x1e0 [ 8014.359384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8014.359384][ T7704] [ 8014.361714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8014.361714][ T7704] netdev_get_by_index+0x5e/0x80 [ 8014.361714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8014.361714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8014.361714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8014.361714][ T7704] ipv6_add_addr+0x411/0x2000 [ 8014.361714][ T7704] inet6_addr_add+0x30e/0xa40 [ 8014.361714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8014.361714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8014.361714][ T7704] netlink_rcv_skb+0x130/0x360 [ 8014.361714][ T7704] netlink_unicast+0x449/0x710 [ 8014.361714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8014.361714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8014.361714][ T7704] ___sys_sendmsg+0xee/0x170 [ 8014.361714][ T7704] __sys_sendmsg+0xcd/0x170 [ 8014.361714][ T7704] do_syscall_64+0xc6/0x1e0 [ 8014.361714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8014.361714][ T7704] [ 8014.363955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8014.363955][ T7704] netdev_get_by_index+0x5e/0x80 [ 8014.363955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8014.363955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8014.363955][ T7704] ip6_route_add+0x1c/0x140 [ 8014.363955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8014.363955][ T7704] addrconf_add_dev+0xe2/0x170 [ 8014.363955][ T7704] inet6_addr_add+0x12f/0xa40 [ 8014.363955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8014.363955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8014.363955][ T7704] netlink_rcv_skb+0x130/0x360 [ 8014.363955][ T7704] netlink_unicast+0x449/0x710 [ 8014.363955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8014.363955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8014.363955][ T7704] ___sys_sendmsg+0xee/0x170 [ 8014.363955][ T7704] __sys_sendmsg+0xcd/0x170 [ 8014.363955][ T7704] do_syscall_64+0xc6/0x1e0 [ 8014.363955][ T7704] [ 8014.366133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8014.366133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8014.366133][ T7704] ipv6_find_idev+0x102/0x170 [ 8014.366133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8014.366133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8014.366133][ T7704] netlink_rcv_skb+0x130/0x360 [ 8014.366133][ T7704] netlink_unicast+0x449/0x710 [ 8014.366133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8014.366133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8014.366133][ T7704] ___sys_sendmsg+0xee/0x170 [ 8014.366133][ T7704] __sys_sendmsg+0xcd/0x170 [ 8014.366133][ T7704] do_syscall_64+0xc6/0x1e0 [ 8014.366133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8014.366133][ T7704] [ 8014.367841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8014.367841][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8014.367841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8014.367841][ T7704] ipv6_find_idev+0x102/0x170 [ 8014.367841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8014.367841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8014.367841][ T7704] netlink_rcv_skb+0x130/0x360 [ 8014.367841][ T7704] netlink_unicast+0x449/0x710 [ 8014.367841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8014.367841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8014.367841][ T7704] ___sys_sendmsg+0xee/0x170 [ 8014.367841][ T7704] __sys_sendmsg+0xcd/0x170 [ 8014.367841][ T7704] do_syscall_64+0xc6/0x1e0 [ 8014.367841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8014.367841][ T7704] [ 8024.606966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8024.607414][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8024.607414][ T7704] netdev_get_by_index+0x5e/0x80 [ 8024.607414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8024.607414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8024.607414][ T7704] ip6_route_add+0x1c/0x140 [ 8024.607414][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8024.607414][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8024.607414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8024.607414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8024.607414][ T7704] netlink_rcv_skb+0x130/0x360 [ 8024.607414][ T7704] netlink_unicast+0x449/0x710 [ 8024.607414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8024.607414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8024.607414][ T7704] ___sys_sendmsg+0xee/0x170 [ 8024.607414][ T7704] __sys_sendmsg+0xcd/0x170 [ 8024.607414][ T7704] do_syscall_64+0xc6/0x1e0 [ 8024.607414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8024.607414][ T7704] [ 8024.609654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8024.609654][ T7704] netdev_get_by_index+0x5e/0x80 [ 8024.609654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8024.609654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8024.609654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8024.609654][ T7704] ipv6_add_addr+0x411/0x2000 [ 8024.609654][ T7704] inet6_addr_add+0x30e/0xa40 [ 8024.609654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8024.609654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8024.609654][ T7704] netlink_rcv_skb+0x130/0x360 [ 8024.609654][ T7704] netlink_unicast+0x449/0x710 [ 8024.609654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8024.609654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8024.609654][ T7704] ___sys_sendmsg+0xee/0x170 [ 8024.609654][ T7704] __sys_sendmsg+0xcd/0x170 [ 8024.609654][ T7704] do_syscall_64+0xc6/0x1e0 [ 8024.609654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8024.609654][ T7704] [ 8024.611871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8024.611871][ T7704] netdev_get_by_index+0x5e/0x80 [ 8024.611871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8024.611871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8024.611871][ T7704] ip6_route_add+0x1c/0x140 [ 8024.611871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8024.611871][ T7704] addrconf_add_dev+0xe2/0x170 [ 8024.611871][ T7704] inet6_addr_add+0x12f/0xa40 [ 8024.611871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8024.611871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8024.611871][ T7704] netlink_rcv_skb+0x130/0x360 [ 8024.611871][ T7704] netlink_unicast+0x449/0x710 [ 8024.611871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8024.611871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8024.611871][ T7704] ___sys_sendmsg+0xee/0x170 [ 8024.611871][ T7704] __sys_sendmsg+0xcd/0x170 [ 8024.611871][ T7704] do_syscall_64+0xc6/0x1e0 [ 8024.611871][ T7704] [ 8024.614067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8024.614067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8024.614067][ T7704] ipv6_find_idev+0x102/0x170 [ 8024.614067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8024.614067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8024.614067][ T7704] netlink_rcv_skb+0x130/0x360 [ 8024.614067][ T7704] netlink_unicast+0x449/0x710 [ 8024.614067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8024.614067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8024.614067][ T7704] ___sys_sendmsg+0xee/0x170 [ 8024.614067][ T7704] __sys_sendmsg+0xcd/0x170 [ 8024.614067][ T7704] do_syscall_64+0xc6/0x1e0 [ 8024.614067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8024.614067][ T7704] [ 8024.615767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8024.615767][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8024.615767][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8024.615767][ T7704] ipv6_find_idev+0x102/0x170 [ 8024.615767][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8024.615767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8024.615767][ T7704] netlink_rcv_skb+0x130/0x360 [ 8024.615767][ T7704] netlink_unicast+0x449/0x710 [ 8024.615767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8024.615767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8024.615767][ T7704] ___sys_sendmsg+0xee/0x170 [ 8024.615767][ T7704] __sys_sendmsg+0xcd/0x170 [ 8024.615767][ T7704] do_syscall_64+0xc6/0x1e0 [ 8024.615767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8024.615767][ T7704] [ 8034.854956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8034.855406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8034.855406][ T7704] netdev_get_by_index+0x5e/0x80 [ 8034.855406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8034.855406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8034.855406][ T7704] ip6_route_add+0x1c/0x140 [ 8034.855406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8034.855406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8034.855406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8034.855406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.855406][ T7704] netlink_rcv_skb+0x130/0x360 [ 8034.855406][ T7704] netlink_unicast+0x449/0x710 [ 8034.855406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8034.855406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8034.855406][ T7704] ___sys_sendmsg+0xee/0x170 [ 8034.855406][ T7704] __sys_sendmsg+0xcd/0x170 [ 8034.855406][ T7704] do_syscall_64+0xc6/0x1e0 [ 8034.855406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.855406][ T7704] [ 8034.857656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8034.857656][ T7704] netdev_get_by_index+0x5e/0x80 [ 8034.857656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8034.857656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8034.857656][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8034.857656][ T7704] ipv6_add_addr+0x411/0x2000 [ 8034.857656][ T7704] inet6_addr_add+0x30e/0xa40 [ 8034.857656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8034.857656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.857656][ T7704] netlink_rcv_skb+0x130/0x360 [ 8034.857656][ T7704] netlink_unicast+0x449/0x710 [ 8034.857656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8034.857656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8034.857656][ T7704] ___sys_sendmsg+0xee/0x170 [ 8034.857656][ T7704] __sys_sendmsg+0xcd/0x170 [ 8034.857656][ T7704] do_syscall_64+0xc6/0x1e0 [ 8034.857656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.857656][ T7704] [ 8034.859869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8034.859869][ T7704] netdev_get_by_index+0x5e/0x80 [ 8034.859869][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8034.859869][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8034.859869][ T7704] ip6_route_add+0x1c/0x140 [ 8034.859869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8034.859869][ T7704] addrconf_add_dev+0xe2/0x170 [ 8034.859869][ T7704] inet6_addr_add+0x12f/0xa40 [ 8034.859869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8034.859869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.859869][ T7704] netlink_rcv_skb+0x130/0x360 [ 8034.859869][ T7704] netlink_unicast+0x449/0x710 [ 8034.859869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8034.859869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8034.859869][ T7704] ___sys_sendmsg+0xee/0x170 [ 8034.859869][ T7704] __sys_sendmsg+0xcd/0x170 [ 8034.859869][ T7704] do_syscall_64+0xc6/0x1e0 [ 8034.859869][ T7704] [ 8034.862052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8034.862052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8034.862052][ T7704] ipv6_find_idev+0x102/0x170 [ 8034.862052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8034.862052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.862052][ T7704] netlink_rcv_skb+0x130/0x360 [ 8034.862052][ T7704] netlink_unicast+0x449/0x710 [ 8034.862052][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8034.862052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8034.862052][ T7704] ___sys_sendmsg+0xee/0x170 [ 8034.862052][ T7704] __sys_sendmsg+0xcd/0x170 [ 8034.862052][ T7704] do_syscall_64+0xc6/0x1e0 [ 8034.862052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.862052][ T7704] [ 8034.863758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8034.863758][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8034.863758][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8034.863758][ T7704] ipv6_find_idev+0x102/0x170 [ 8034.863758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8034.863758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.863758][ T7704] netlink_rcv_skb+0x130/0x360 [ 8034.863758][ T7704] netlink_unicast+0x449/0x710 [ 8034.863758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8034.863758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8034.863758][ T7704] ___sys_sendmsg+0xee/0x170 [ 8034.863758][ T7704] __sys_sendmsg+0xcd/0x170 [ 8034.863758][ T7704] do_syscall_64+0xc6/0x1e0 [ 8034.863758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.863758][ T7704] [ 8045.102966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8045.103416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8045.103416][ T7704] netdev_get_by_index+0x5e/0x80 [ 8045.103416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8045.103416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8045.103416][ T7704] ip6_route_add+0x1c/0x140 [ 8045.103416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8045.103416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8045.103416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8045.103416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8045.103416][ T7704] netlink_rcv_skb+0x130/0x360 [ 8045.103416][ T7704] netlink_unicast+0x449/0x710 [ 8045.103416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8045.103416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8045.103416][ T7704] ___sys_sendmsg+0xee/0x170 [ 8045.103416][ T7704] __sys_sendmsg+0xcd/0x170 [ 8045.103416][ T7704] do_syscall_64+0xc6/0x1e0 [ 8045.103416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8045.103416][ T7704] [ 8045.105652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8045.105652][ T7704] netdev_get_by_index+0x5e/0x80 [ 8045.105652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8045.105652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8045.105652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8045.105652][ T7704] ipv6_add_addr+0x411/0x2000 [ 8045.105652][ T7704] inet6_addr_add+0x30e/0xa40 [ 8045.105652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8045.105652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8045.105652][ T7704] netlink_rcv_skb+0x130/0x360 [ 8045.105652][ T7704] netlink_unicast+0x449/0x710 [ 8045.105652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8045.105652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8045.105652][ T7704] ___sys_sendmsg+0xee/0x170 [ 8045.105652][ T7704] __sys_sendmsg+0xcd/0x170 [ 8045.105652][ T7704] do_syscall_64+0xc6/0x1e0 [ 8045.105652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8045.105652][ T7704] [ 8045.107886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8045.107886][ T7704] netdev_get_by_index+0x5e/0x80 [ 8045.107886][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8045.107886][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8045.107886][ T7704] ip6_route_add+0x1c/0x140 [ 8045.107886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8045.107886][ T7704] addrconf_add_dev+0xe2/0x170 [ 8045.107886][ T7704] inet6_addr_add+0x12f/0xa40 [ 8045.107886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8045.107886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8045.107886][ T7704] netlink_rcv_skb+0x130/0x360 [ 8045.107886][ T7704] netlink_unicast+0x449/0x710 [ 8045.107886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8045.107886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8045.107886][ T7704] ___sys_sendmsg+0xee/0x170 [ 8045.107886][ T7704] __sys_sendmsg+0xcd/0x170 [ 8045.107886][ T7704] do_syscall_64+0xc6/0x1e0 [ 8045.107886][ T7704] [ 8045.110073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8045.110073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8045.110073][ T7704] ipv6_find_idev+0x102/0x170 [ 8045.110073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8045.110073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8045.110073][ T7704] netlink_rcv_skb+0x130/0x360 [ 8045.110073][ T7704] netlink_unicast+0x449/0x710 [ 8045.110073][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8045.110073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8045.110073][ T7704] ___sys_sendmsg+0xee/0x170 [ 8045.110073][ T7704] __sys_sendmsg+0xcd/0x170 [ 8045.110073][ T7704] do_syscall_64+0xc6/0x1e0 [ 8045.110073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8045.110073][ T7704] [ 8045.111790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8045.111790][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8045.111790][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8045.111790][ T7704] ipv6_find_idev+0x102/0x170 [ 8045.111790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8045.111790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8045.111790][ T7704] netlink_rcv_skb+0x130/0x360 [ 8045.111790][ T7704] netlink_unicast+0x449/0x710 [ 8045.111790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8045.111790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8045.111790][ T7704] ___sys_sendmsg+0xee/0x170 [ 8045.111790][ T7704] __sys_sendmsg+0xcd/0x170 [ 8045.111790][ T7704] do_syscall_64+0xc6/0x1e0 [ 8045.111790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8045.111790][ T7704] [ 8055.350944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8055.351470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8055.351470][ T7704] netdev_get_by_index+0x5e/0x80 [ 8055.351470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8055.351470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8055.351470][ T7704] ip6_route_add+0x1c/0x140 [ 8055.351470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8055.351470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8055.351470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8055.351470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8055.351470][ T7704] netlink_rcv_skb+0x130/0x360 [ 8055.351470][ T7704] netlink_unicast+0x449/0x710 [ 8055.351470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8055.351470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8055.351470][ T7704] ___sys_sendmsg+0xee/0x170 [ 8055.351470][ T7704] __sys_sendmsg+0xcd/0x170 [ 8055.351470][ T7704] do_syscall_64+0xc6/0x1e0 [ 8055.351470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8055.351470][ T7704] [ 8055.353729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8055.353729][ T7704] netdev_get_by_index+0x5e/0x80 [ 8055.353729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8055.353729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8055.353729][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8055.353729][ T7704] ipv6_add_addr+0x411/0x2000 [ 8055.353729][ T7704] inet6_addr_add+0x30e/0xa40 [ 8055.353729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8055.353729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8055.353729][ T7704] netlink_rcv_skb+0x130/0x360 [ 8055.353729][ T7704] netlink_unicast+0x449/0x710 [ 8055.353729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8055.353729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8055.353729][ T7704] ___sys_sendmsg+0xee/0x170 [ 8055.353729][ T7704] __sys_sendmsg+0xcd/0x170 [ 8055.353729][ T7704] do_syscall_64+0xc6/0x1e0 [ 8055.353729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8055.353729][ T7704] [ 8055.355956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8055.355956][ T7704] netdev_get_by_index+0x5e/0x80 [ 8055.355956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8055.355956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8055.355956][ T7704] ip6_route_add+0x1c/0x140 [ 8055.355956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8055.355956][ T7704] addrconf_add_dev+0xe2/0x170 [ 8055.355956][ T7704] inet6_addr_add+0x12f/0xa40 [ 8055.355956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8055.355956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8055.355956][ T7704] netlink_rcv_skb+0x130/0x360 [ 8055.355956][ T7704] netlink_unicast+0x449/0x710 [ 8055.355956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8055.355956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8055.355956][ T7704] ___sys_sendmsg+0xee/0x170 [ 8055.355956][ T7704] __sys_sendmsg+0xcd/0x170 [ 8055.355956][ T7704] do_syscall_64+0xc6/0x1e0 [ 8055.355956][ T7704] [ 8055.358169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8055.358169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8055.358169][ T7704] ipv6_find_idev+0x102/0x170 [ 8055.358169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8055.358169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8055.358169][ T7704] netlink_rcv_skb+0x130/0x360 [ 8055.358169][ T7704] netlink_unicast+0x449/0x710 [ 8055.358169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8055.358169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8055.358169][ T7704] ___sys_sendmsg+0xee/0x170 [ 8055.358169][ T7704] __sys_sendmsg+0xcd/0x170 [ 8055.358169][ T7704] do_syscall_64+0xc6/0x1e0 [ 8055.358169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8055.358169][ T7704] [ 8055.359898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8055.359898][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8055.359898][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8055.359898][ T7704] ipv6_find_idev+0x102/0x170 [ 8055.359898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8055.359898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8055.359898][ T7704] netlink_rcv_skb+0x130/0x360 [ 8055.359898][ T7704] netlink_unicast+0x449/0x710 [ 8055.359898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8055.359898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8055.359898][ T7704] ___sys_sendmsg+0xee/0x170 [ 8055.359898][ T7704] __sys_sendmsg+0xcd/0x170 [ 8055.359898][ T7704] do_syscall_64+0xc6/0x1e0 [ 8055.359898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8055.359898][ T7704] [ 8065.598933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8065.599429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8065.599429][ T7704] netdev_get_by_index+0x5e/0x80 [ 8065.599429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8065.599429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8065.599429][ T7704] ip6_route_add+0x1c/0x140 [ 8065.599429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8065.599429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8065.599429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8065.599429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8065.599429][ T7704] netlink_rcv_skb+0x130/0x360 [ 8065.599429][ T7704] netlink_unicast+0x449/0x710 [ 8065.599429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8065.599429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8065.599429][ T7704] ___sys_sendmsg+0xee/0x170 [ 8065.599429][ T7704] __sys_sendmsg+0xcd/0x170 [ 8065.599429][ T7704] do_syscall_64+0xc6/0x1e0 [ 8065.599429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8065.599429][ T7704] [ 8065.601683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8065.601683][ T7704] netdev_get_by_index+0x5e/0x80 [ 8065.601683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8065.601683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8065.601683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8065.601683][ T7704] ipv6_add_addr+0x411/0x2000 [ 8065.601683][ T7704] inet6_addr_add+0x30e/0xa40 [ 8065.601683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8065.601683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8065.601683][ T7704] netlink_rcv_skb+0x130/0x360 [ 8065.601683][ T7704] netlink_unicast+0x449/0x710 [ 8065.601683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8065.601683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8065.601683][ T7704] ___sys_sendmsg+0xee/0x170 [ 8065.601683][ T7704] __sys_sendmsg+0xcd/0x170 [ 8065.601683][ T7704] do_syscall_64+0xc6/0x1e0 [ 8065.601683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8065.601683][ T7704] [ 8065.603963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8065.603963][ T7704] netdev_get_by_index+0x5e/0x80 [ 8065.603963][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8065.603963][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8065.603963][ T7704] ip6_route_add+0x1c/0x140 [ 8065.603963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8065.603963][ T7704] addrconf_add_dev+0xe2/0x170 [ 8065.603963][ T7704] inet6_addr_add+0x12f/0xa40 [ 8065.603963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8065.603963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8065.603963][ T7704] netlink_rcv_skb+0x130/0x360 [ 8065.603963][ T7704] netlink_unicast+0x449/0x710 [ 8065.603963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8065.603963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8065.603963][ T7704] ___sys_sendmsg+0xee/0x170 [ 8065.603963][ T7704] __sys_sendmsg+0xcd/0x170 [ 8065.603963][ T7704] do_syscall_64+0xc6/0x1e0 [ 8065.603963][ T7704] [ 8065.606154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8065.606154][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8065.606154][ T7704] ipv6_find_idev+0x102/0x170 [ 8065.606154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8065.606154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8065.606154][ T7704] netlink_rcv_skb+0x130/0x360 [ 8065.606154][ T7704] netlink_unicast+0x449/0x710 [ 8065.606154][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8065.606154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8065.606154][ T7704] ___sys_sendmsg+0xee/0x170 [ 8065.606154][ T7704] __sys_sendmsg+0xcd/0x170 [ 8065.606154][ T7704] do_syscall_64+0xc6/0x1e0 [ 8065.606154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8065.606154][ T7704] [ 8065.607863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8065.607863][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8065.607863][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8065.607863][ T7704] ipv6_find_idev+0x102/0x170 [ 8065.607863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8065.607863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8065.607863][ T7704] netlink_rcv_skb+0x130/0x360 [ 8065.607863][ T7704] netlink_unicast+0x449/0x710 [ 8065.607863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8065.607863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8065.607863][ T7704] ___sys_sendmsg+0xee/0x170 [ 8065.607863][ T7704] __sys_sendmsg+0xcd/0x170 [ 8065.607863][ T7704] do_syscall_64+0xc6/0x1e0 [ 8065.607863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8065.607863][ T7704] [ 8075.846949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8075.847466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8075.847466][ T7704] netdev_get_by_index+0x5e/0x80 [ 8075.847466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8075.847466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8075.847466][ T7704] ip6_route_add+0x1c/0x140 [ 8075.847466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8075.847466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8075.847466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8075.847466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8075.847466][ T7704] netlink_rcv_skb+0x130/0x360 [ 8075.847466][ T7704] netlink_unicast+0x449/0x710 [ 8075.847466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8075.847466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8075.847466][ T7704] ___sys_sendmsg+0xee/0x170 [ 8075.847466][ T7704] __sys_sendmsg+0xcd/0x170 [ 8075.847466][ T7704] do_syscall_64+0xc6/0x1e0 [ 8075.847466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8075.847466][ T7704] [ 8075.849713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8075.849713][ T7704] netdev_get_by_index+0x5e/0x80 [ 8075.849713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8075.849713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8075.849713][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8075.849713][ T7704] ipv6_add_addr+0x411/0x2000 [ 8075.849713][ T7704] inet6_addr_add+0x30e/0xa40 [ 8075.849713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8075.849713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8075.849713][ T7704] netlink_rcv_skb+0x130/0x360 [ 8075.849713][ T7704] netlink_unicast+0x449/0x710 [ 8075.849713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8075.849713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8075.849713][ T7704] ___sys_sendmsg+0xee/0x170 [ 8075.849713][ T7704] __sys_sendmsg+0xcd/0x170 [ 8075.849713][ T7704] do_syscall_64+0xc6/0x1e0 [ 8075.849713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8075.849713][ T7704] [ 8075.851951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8075.851951][ T7704] netdev_get_by_index+0x5e/0x80 [ 8075.851951][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8075.851951][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8075.851951][ T7704] ip6_route_add+0x1c/0x140 [ 8075.851951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8075.851951][ T7704] addrconf_add_dev+0xe2/0x170 [ 8075.851951][ T7704] inet6_addr_add+0x12f/0xa40 [ 8075.851951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8075.851951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8075.851951][ T7704] netlink_rcv_skb+0x130/0x360 [ 8075.851951][ T7704] netlink_unicast+0x449/0x710 [ 8075.851951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8075.851951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8075.851951][ T7704] ___sys_sendmsg+0xee/0x170 [ 8075.851951][ T7704] __sys_sendmsg+0xcd/0x170 [ 8075.851951][ T7704] do_syscall_64+0xc6/0x1e0 [ 8075.851951][ T7704] [ 8075.854234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8075.854234][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8075.854234][ T7704] ipv6_find_idev+0x102/0x170 [ 8075.854234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8075.854234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8075.854234][ T7704] netlink_rcv_skb+0x130/0x360 [ 8075.854234][ T7704] netlink_unicast+0x449/0x710 [ 8075.854234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8075.854234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8075.854234][ T7704] ___sys_sendmsg+0xee/0x170 [ 8075.854234][ T7704] __sys_sendmsg+0xcd/0x170 [ 8075.854234][ T7704] do_syscall_64+0xc6/0x1e0 [ 8075.854234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8075.854234][ T7704] [ 8075.855947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8075.855947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8075.855947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8075.855947][ T7704] ipv6_find_idev+0x102/0x170 [ 8075.855947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8075.855947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8075.855947][ T7704] netlink_rcv_skb+0x130/0x360 [ 8075.855947][ T7704] netlink_unicast+0x449/0x710 [ 8075.855947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8075.855947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8075.855947][ T7704] ___sys_sendmsg+0xee/0x170 [ 8075.855947][ T7704] __sys_sendmsg+0xcd/0x170 [ 8075.855947][ T7704] do_syscall_64+0xc6/0x1e0 [ 8075.855947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8075.855947][ T7704] [ 8085.870947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8085.871468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8085.871468][ T7704] netdev_get_by_index+0x5e/0x80 [ 8085.871468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8085.871468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8085.871468][ T7704] ip6_route_add+0x1c/0x140 [ 8085.871468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8085.871468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8085.871468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8085.871468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.871468][ T7704] netlink_rcv_skb+0x130/0x360 [ 8085.871468][ T7704] netlink_unicast+0x449/0x710 [ 8085.871468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8085.871468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8085.871468][ T7704] ___sys_sendmsg+0xee/0x170 [ 8085.871468][ T7704] __sys_sendmsg+0xcd/0x170 [ 8085.871468][ T7704] do_syscall_64+0xc6/0x1e0 [ 8085.871468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.871468][ T7704] [ 8085.873718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8085.873718][ T7704] netdev_get_by_index+0x5e/0x80 [ 8085.873718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8085.873718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8085.873718][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8085.873718][ T7704] ipv6_add_addr+0x411/0x2000 [ 8085.873718][ T7704] inet6_addr_add+0x30e/0xa40 [ 8085.873718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8085.873718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.873718][ T7704] netlink_rcv_skb+0x130/0x360 [ 8085.873718][ T7704] netlink_unicast+0x449/0x710 [ 8085.873718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8085.873718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8085.873718][ T7704] ___sys_sendmsg+0xee/0x170 [ 8085.873718][ T7704] __sys_sendmsg+0xcd/0x170 [ 8085.873718][ T7704] do_syscall_64+0xc6/0x1e0 [ 8085.873718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.873718][ T7704] [ 8085.875948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8085.875948][ T7704] netdev_get_by_index+0x5e/0x80 [ 8085.875948][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8085.875948][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8085.875948][ T7704] ip6_route_add+0x1c/0x140 [ 8085.875948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8085.875948][ T7704] addrconf_add_dev+0xe2/0x170 [ 8085.875948][ T7704] inet6_addr_add+0x12f/0xa40 [ 8085.875948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8085.875948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.875948][ T7704] netlink_rcv_skb+0x130/0x360 [ 8085.875948][ T7704] netlink_unicast+0x449/0x710 [ 8085.875948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8085.875948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8085.875948][ T7704] ___sys_sendmsg+0xee/0x170 [ 8085.875948][ T7704] __sys_sendmsg+0xcd/0x170 [ 8085.875948][ T7704] do_syscall_64+0xc6/0x1e0 [ 8085.875948][ T7704] [ 8085.878124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8085.878124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8085.878124][ T7704] ipv6_find_idev+0x102/0x170 [ 8085.878124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8085.878124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.878124][ T7704] netlink_rcv_skb+0x130/0x360 [ 8085.878124][ T7704] netlink_unicast+0x449/0x710 [ 8085.878124][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8085.878124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8085.878124][ T7704] ___sys_sendmsg+0xee/0x170 [ 8085.878124][ T7704] __sys_sendmsg+0xcd/0x170 [ 8085.878124][ T7704] do_syscall_64+0xc6/0x1e0 [ 8085.878124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.878124][ T7704] [ 8085.879842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8085.879842][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8085.879842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8085.879842][ T7704] ipv6_find_idev+0x102/0x170 [ 8085.879842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8085.879842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.879842][ T7704] netlink_rcv_skb+0x130/0x360 [ 8085.879842][ T7704] netlink_unicast+0x449/0x710 [ 8085.879842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8085.879842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8085.879842][ T7704] ___sys_sendmsg+0xee/0x170 [ 8085.879842][ T7704] __sys_sendmsg+0xcd/0x170 [ 8085.879842][ T7704] do_syscall_64+0xc6/0x1e0 [ 8085.879842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.879842][ T7704] [ 8095.942972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8095.943480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8095.943480][ T7704] netdev_get_by_index+0x5e/0x80 [ 8095.943480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8095.943480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8095.943480][ T7704] ip6_route_add+0x1c/0x140 [ 8095.943480][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8095.943480][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8095.943480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.943480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.943480][ T7704] netlink_rcv_skb+0x130/0x360 [ 8095.943480][ T7704] netlink_unicast+0x449/0x710 [ 8095.943480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8095.943480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8095.943480][ T7704] ___sys_sendmsg+0xee/0x170 [ 8095.943480][ T7704] __sys_sendmsg+0xcd/0x170 [ 8095.943480][ T7704] do_syscall_64+0xc6/0x1e0 [ 8095.943480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.943480][ T7704] [ 8095.945768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8095.945768][ T7704] netdev_get_by_index+0x5e/0x80 [ 8095.945768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8095.945768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8095.945768][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8095.945768][ T7704] ipv6_add_addr+0x411/0x2000 [ 8095.945768][ T7704] inet6_addr_add+0x30e/0xa40 [ 8095.945768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.945768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.945768][ T7704] netlink_rcv_skb+0x130/0x360 [ 8095.945768][ T7704] netlink_unicast+0x449/0x710 [ 8095.945768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8095.945768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8095.945768][ T7704] ___sys_sendmsg+0xee/0x170 [ 8095.945768][ T7704] __sys_sendmsg+0xcd/0x170 [ 8095.945768][ T7704] do_syscall_64+0xc6/0x1e0 [ 8095.945768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.945768][ T7704] [ 8095.948027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8095.948027][ T7704] netdev_get_by_index+0x5e/0x80 [ 8095.948027][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8095.948027][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8095.948027][ T7704] ip6_route_add+0x1c/0x140 [ 8095.948027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8095.948027][ T7704] addrconf_add_dev+0xe2/0x170 [ 8095.948027][ T7704] inet6_addr_add+0x12f/0xa40 [ 8095.948027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.948027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.948027][ T7704] netlink_rcv_skb+0x130/0x360 [ 8095.948027][ T7704] netlink_unicast+0x449/0x710 [ 8095.948027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8095.948027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8095.948027][ T7704] ___sys_sendmsg+0xee/0x170 [ 8095.948027][ T7704] __sys_sendmsg+0xcd/0x170 [ 8095.948027][ T7704] do_syscall_64+0xc6/0x1e0 [ 8095.948027][ T7704] [ 8095.950207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8095.950207][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8095.950207][ T7704] ipv6_find_idev+0x102/0x170 [ 8095.950207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.950207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.950207][ T7704] netlink_rcv_skb+0x130/0x360 [ 8095.950207][ T7704] netlink_unicast+0x449/0x710 [ 8095.950207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8095.950207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8095.950207][ T7704] ___sys_sendmsg+0xee/0x170 [ 8095.950207][ T7704] __sys_sendmsg+0xcd/0x170 [ 8095.950207][ T7704] do_syscall_64+0xc6/0x1e0 [ 8095.950207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.950207][ T7704] [ 8095.951926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8095.951926][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8095.951926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8095.951926][ T7704] ipv6_find_idev+0x102/0x170 [ 8095.951926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.951926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.951926][ T7704] netlink_rcv_skb+0x130/0x360 [ 8095.951926][ T7704] netlink_unicast+0x449/0x710 [ 8095.951926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8095.951926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8095.951926][ T7704] ___sys_sendmsg+0xee/0x170 [ 8095.951926][ T7704] __sys_sendmsg+0xcd/0x170 [ 8095.951926][ T7704] do_syscall_64+0xc6/0x1e0 [ 8095.951926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.951926][ T7704] [ 8106.190947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8106.191417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8106.191417][ T7704] netdev_get_by_index+0x5e/0x80 [ 8106.191417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8106.191417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8106.191417][ T7704] ip6_route_add+0x1c/0x140 [ 8106.191417][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8106.191417][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8106.191417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8106.191417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8106.191417][ T7704] netlink_rcv_skb+0x130/0x360 [ 8106.191417][ T7704] netlink_unicast+0x449/0x710 [ 8106.191417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8106.191417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8106.191417][ T7704] ___sys_sendmsg+0xee/0x170 [ 8106.191417][ T7704] __sys_sendmsg+0xcd/0x170 [ 8106.191417][ T7704] do_syscall_64+0xc6/0x1e0 [ 8106.191417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8106.191417][ T7704] [ 8106.193713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8106.193713][ T7704] netdev_get_by_index+0x5e/0x80 [ 8106.193713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8106.193713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8106.193713][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8106.193713][ T7704] ipv6_add_addr+0x411/0x2000 [ 8106.193713][ T7704] inet6_addr_add+0x30e/0xa40 [ 8106.193713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8106.193713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8106.193713][ T7704] netlink_rcv_skb+0x130/0x360 [ 8106.193713][ T7704] netlink_unicast+0x449/0x710 [ 8106.193713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8106.193713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8106.193713][ T7704] ___sys_sendmsg+0xee/0x170 [ 8106.193713][ T7704] __sys_sendmsg+0xcd/0x170 [ 8106.193713][ T7704] do_syscall_64+0xc6/0x1e0 [ 8106.193713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8106.193713][ T7704] [ 8106.195960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8106.195960][ T7704] netdev_get_by_index+0x5e/0x80 [ 8106.195960][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8106.195960][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8106.195960][ T7704] ip6_route_add+0x1c/0x140 [ 8106.195960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8106.195960][ T7704] addrconf_add_dev+0xe2/0x170 [ 8106.195960][ T7704] inet6_addr_add+0x12f/0xa40 [ 8106.195960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8106.195960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8106.195960][ T7704] netlink_rcv_skb+0x130/0x360 [ 8106.195960][ T7704] netlink_unicast+0x449/0x710 [ 8106.195960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8106.195960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8106.195960][ T7704] ___sys_sendmsg+0xee/0x170 [ 8106.195960][ T7704] __sys_sendmsg+0xcd/0x170 [ 8106.195960][ T7704] do_syscall_64+0xc6/0x1e0 [ 8106.195960][ T7704] [ 8106.198174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8106.198174][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8106.198174][ T7704] ipv6_find_idev+0x102/0x170 [ 8106.198174][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8106.198174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8106.198174][ T7704] netlink_rcv_skb+0x130/0x360 [ 8106.198174][ T7704] netlink_unicast+0x449/0x710 [ 8106.198174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8106.198174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8106.198174][ T7704] ___sys_sendmsg+0xee/0x170 [ 8106.198174][ T7704] __sys_sendmsg+0xcd/0x170 [ 8106.198174][ T7704] do_syscall_64+0xc6/0x1e0 [ 8106.198174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8106.198174][ T7704] [ 8106.199907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8106.199907][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8106.199907][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8106.199907][ T7704] ipv6_find_idev+0x102/0x170 [ 8106.199907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8106.199907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8106.199907][ T7704] netlink_rcv_skb+0x130/0x360 [ 8106.199907][ T7704] netlink_unicast+0x449/0x710 [ 8106.199907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8106.199907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8106.199907][ T7704] ___sys_sendmsg+0xee/0x170 [ 8106.199907][ T7704] __sys_sendmsg+0xcd/0x170 [ 8106.199907][ T7704] do_syscall_64+0xc6/0x1e0 [ 8106.199907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8106.199907][ T7704] [ 8116.438961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8116.439511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8116.439511][ T7704] netdev_get_by_index+0x5e/0x80 [ 8116.439511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8116.439511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8116.439511][ T7704] ip6_route_add+0x1c/0x140 [ 8116.439511][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8116.439511][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8116.439511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8116.439511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8116.439511][ T7704] netlink_rcv_skb+0x130/0x360 [ 8116.439511][ T7704] netlink_unicast+0x449/0x710 [ 8116.439511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8116.439511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8116.439511][ T7704] ___sys_sendmsg+0xee/0x170 [ 8116.439511][ T7704] __sys_sendmsg+0xcd/0x170 [ 8116.439511][ T7704] do_syscall_64+0xc6/0x1e0 [ 8116.439511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8116.439511][ T7704] [ 8116.441807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8116.441807][ T7704] netdev_get_by_index+0x5e/0x80 [ 8116.441807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8116.441807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8116.441807][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8116.441807][ T7704] ipv6_add_addr+0x411/0x2000 [ 8116.441807][ T7704] inet6_addr_add+0x30e/0xa40 [ 8116.441807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8116.441807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8116.441807][ T7704] netlink_rcv_skb+0x130/0x360 [ 8116.441807][ T7704] netlink_unicast+0x449/0x710 [ 8116.441807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8116.441807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8116.441807][ T7704] ___sys_sendmsg+0xee/0x170 [ 8116.441807][ T7704] __sys_sendmsg+0xcd/0x170 [ 8116.441807][ T7704] do_syscall_64+0xc6/0x1e0 [ 8116.441807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8116.441807][ T7704] [ 8116.444585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8116.444585][ T7704] netdev_get_by_index+0x5e/0x80 [ 8116.444585][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8116.444585][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8116.444585][ T7704] ip6_route_add+0x1c/0x140 [ 8116.444585][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8116.444585][ T7704] addrconf_add_dev+0xe2/0x170 [ 8116.444585][ T7704] inet6_addr_add+0x12f/0xa40 [ 8116.444585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8116.444585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8116.444585][ T7704] netlink_rcv_skb+0x130/0x360 [ 8116.444585][ T7704] netlink_unicast+0x449/0x710 [ 8116.444585][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8116.444585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8116.444585][ T7704] ___sys_sendmsg+0xee/0x170 [ 8116.444585][ T7704] __sys_sendmsg+0xcd/0x170 [ 8116.444585][ T7704] do_syscall_64+0xc6/0x1e0 [ 8116.444585][ T7704] [ 8116.447179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8116.447179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8116.447179][ T7704] ipv6_find_idev+0x102/0x170 [ 8116.447179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8116.447179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8116.447179][ T7704] netlink_rcv_skb+0x130/0x360 [ 8116.447179][ T7704] netlink_unicast+0x449/0x710 [ 8116.447179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8116.447179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8116.447179][ T7704] ___sys_sendmsg+0xee/0x170 [ 8116.447179][ T7704] __sys_sendmsg+0xcd/0x170 [ 8116.447179][ T7704] do_syscall_64+0xc6/0x1e0 [ 8116.447179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8116.447179][ T7704] [ 8116.448913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8116.448913][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8116.448913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8116.448913][ T7704] ipv6_find_idev+0x102/0x170 [ 8116.448913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8116.448913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8116.448913][ T7704] netlink_rcv_skb+0x130/0x360 [ 8116.448913][ T7704] netlink_unicast+0x449/0x710 [ 8116.448913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8116.448913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8116.448913][ T7704] ___sys_sendmsg+0xee/0x170 [ 8116.448913][ T7704] __sys_sendmsg+0xcd/0x170 [ 8116.448913][ T7704] do_syscall_64+0xc6/0x1e0 [ 8116.448913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8116.448913][ T7704] [ 8126.470942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8126.471457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8126.471457][ T7704] netdev_get_by_index+0x5e/0x80 [ 8126.471457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8126.471457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8126.471457][ T7704] ip6_route_add+0x1c/0x140 [ 8126.471457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8126.471457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8126.471457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8126.471457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8126.471457][ T7704] netlink_rcv_skb+0x130/0x360 [ 8126.471457][ T7704] netlink_unicast+0x449/0x710 [ 8126.471457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8126.471457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8126.471457][ T7704] ___sys_sendmsg+0xee/0x170 [ 8126.471457][ T7704] __sys_sendmsg+0xcd/0x170 [ 8126.471457][ T7704] do_syscall_64+0xc6/0x1e0 [ 8126.471457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8126.471457][ T7704] [ 8126.473707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8126.473707][ T7704] netdev_get_by_index+0x5e/0x80 [ 8126.473707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8126.473707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8126.473707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8126.473707][ T7704] ipv6_add_addr+0x411/0x2000 [ 8126.473707][ T7704] inet6_addr_add+0x30e/0xa40 [ 8126.473707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8126.473707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8126.473707][ T7704] netlink_rcv_skb+0x130/0x360 [ 8126.473707][ T7704] netlink_unicast+0x449/0x710 [ 8126.473707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8126.473707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8126.473707][ T7704] ___sys_sendmsg+0xee/0x170 [ 8126.473707][ T7704] __sys_sendmsg+0xcd/0x170 [ 8126.473707][ T7704] do_syscall_64+0xc6/0x1e0 [ 8126.473707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8126.473707][ T7704] [ 8126.475929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8126.475929][ T7704] netdev_get_by_index+0x5e/0x80 [ 8126.475929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8126.475929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8126.475929][ T7704] ip6_route_add+0x1c/0x140 [ 8126.475929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8126.475929][ T7704] addrconf_add_dev+0xe2/0x170 [ 8126.475929][ T7704] inet6_addr_add+0x12f/0xa40 [ 8126.475929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8126.475929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8126.475929][ T7704] netlink_rcv_skb+0x130/0x360 [ 8126.475929][ T7704] netlink_unicast+0x449/0x710 [ 8126.475929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8126.475929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8126.475929][ T7704] ___sys_sendmsg+0xee/0x170 [ 8126.475929][ T7704] __sys_sendmsg+0xcd/0x170 [ 8126.475929][ T7704] do_syscall_64+0xc6/0x1e0 [ 8126.475929][ T7704] [ 8126.478105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8126.478105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8126.478105][ T7704] ipv6_find_idev+0x102/0x170 [ 8126.478105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8126.478105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8126.478105][ T7704] netlink_rcv_skb+0x130/0x360 [ 8126.478105][ T7704] netlink_unicast+0x449/0x710 [ 8126.478105][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8126.478105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8126.478105][ T7704] ___sys_sendmsg+0xee/0x170 [ 8126.478105][ T7704] __sys_sendmsg+0xcd/0x170 [ 8126.478105][ T7704] do_syscall_64+0xc6/0x1e0 [ 8126.478105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8126.478105][ T7704] [ 8126.479809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8126.479809][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8126.479809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8126.479809][ T7704] ipv6_find_idev+0x102/0x170 [ 8126.479809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8126.479809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8126.479809][ T7704] netlink_rcv_skb+0x130/0x360 [ 8126.479809][ T7704] netlink_unicast+0x449/0x710 [ 8126.479809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8126.479809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8126.479809][ T7704] ___sys_sendmsg+0xee/0x170 [ 8126.479809][ T7704] __sys_sendmsg+0xcd/0x170 [ 8126.479809][ T7704] do_syscall_64+0xc6/0x1e0 [ 8126.479809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8126.479809][ T7704] [ 8136.719012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8136.719514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8136.719514][ T7704] netdev_get_by_index+0x5e/0x80 [ 8136.719514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8136.719514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8136.719514][ T7704] ip6_route_add+0x1c/0x140 [ 8136.719514][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8136.719514][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8136.719514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.719514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.719514][ T7704] netlink_rcv_skb+0x130/0x360 [ 8136.719514][ T7704] netlink_unicast+0x449/0x710 [ 8136.719514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8136.719514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8136.719514][ T7704] ___sys_sendmsg+0xee/0x170 [ 8136.719514][ T7704] __sys_sendmsg+0xcd/0x170 [ 8136.719514][ T7704] do_syscall_64+0xc6/0x1e0 [ 8136.719514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.719514][ T7704] [ 8136.721786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8136.721786][ T7704] netdev_get_by_index+0x5e/0x80 [ 8136.721786][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8136.721786][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8136.721786][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8136.721786][ T7704] ipv6_add_addr+0x411/0x2000 [ 8136.721786][ T7704] inet6_addr_add+0x30e/0xa40 [ 8136.721786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.721786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.721786][ T7704] netlink_rcv_skb+0x130/0x360 [ 8136.721786][ T7704] netlink_unicast+0x449/0x710 [ 8136.721786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8136.721786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8136.721786][ T7704] ___sys_sendmsg+0xee/0x170 [ 8136.721786][ T7704] __sys_sendmsg+0xcd/0x170 [ 8136.721786][ T7704] do_syscall_64+0xc6/0x1e0 [ 8136.721786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.721786][ T7704] [ 8136.724004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8136.724004][ T7704] netdev_get_by_index+0x5e/0x80 [ 8136.724004][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8136.724004][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8136.724004][ T7704] ip6_route_add+0x1c/0x140 [ 8136.724004][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8136.724004][ T7704] addrconf_add_dev+0xe2/0x170 [ 8136.724004][ T7704] inet6_addr_add+0x12f/0xa40 [ 8136.724004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.724004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.724004][ T7704] netlink_rcv_skb+0x130/0x360 [ 8136.724004][ T7704] netlink_unicast+0x449/0x710 [ 8136.724004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8136.724004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8136.724004][ T7704] ___sys_sendmsg+0xee/0x170 [ 8136.724004][ T7704] __sys_sendmsg+0xcd/0x170 [ 8136.724004][ T7704] do_syscall_64+0xc6/0x1e0 [ 8136.724004][ T7704] [ 8136.726199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8136.726199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8136.726199][ T7704] ipv6_find_idev+0x102/0x170 [ 8136.726199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.726199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.726199][ T7704] netlink_rcv_skb+0x130/0x360 [ 8136.726199][ T7704] netlink_unicast+0x449/0x710 [ 8136.726199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8136.726199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8136.726199][ T7704] ___sys_sendmsg+0xee/0x170 [ 8136.726199][ T7704] __sys_sendmsg+0xcd/0x170 [ 8136.726199][ T7704] do_syscall_64+0xc6/0x1e0 [ 8136.726199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.726199][ T7704] [ 8136.727905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8136.727905][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8136.727905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8136.727905][ T7704] ipv6_find_idev+0x102/0x170 [ 8136.727905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.727905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.727905][ T7704] netlink_rcv_skb+0x130/0x360 [ 8136.727905][ T7704] netlink_unicast+0x449/0x710 [ 8136.727905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8136.727905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8136.727905][ T7704] ___sys_sendmsg+0xee/0x170 [ 8136.727905][ T7704] __sys_sendmsg+0xcd/0x170 [ 8136.727905][ T7704] do_syscall_64+0xc6/0x1e0 [ 8136.727905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.727905][ T7704] [ 8146.966891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8146.967408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8146.967408][ T7704] netdev_get_by_index+0x5e/0x80 [ 8146.967408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8146.967408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8146.967408][ T7704] ip6_route_add+0x1c/0x140 [ 8146.967408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8146.967408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8146.967408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.967408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.967408][ T7704] netlink_rcv_skb+0x130/0x360 [ 8146.967408][ T7704] netlink_unicast+0x449/0x710 [ 8146.967408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8146.967408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8146.967408][ T7704] ___sys_sendmsg+0xee/0x170 [ 8146.967408][ T7704] __sys_sendmsg+0xcd/0x170 [ 8146.967408][ T7704] do_syscall_64+0xc6/0x1e0 [ 8146.967408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.967408][ T7704] [ 8146.969651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8146.969651][ T7704] netdev_get_by_index+0x5e/0x80 [ 8146.969651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8146.969651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8146.969651][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8146.969651][ T7704] ipv6_add_addr+0x411/0x2000 [ 8146.969651][ T7704] inet6_addr_add+0x30e/0xa40 [ 8146.969651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.969651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.969651][ T7704] netlink_rcv_skb+0x130/0x360 [ 8146.969651][ T7704] netlink_unicast+0x449/0x710 [ 8146.969651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8146.969651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8146.969651][ T7704] ___sys_sendmsg+0xee/0x170 [ 8146.969651][ T7704] __sys_sendmsg+0xcd/0x170 [ 8146.969651][ T7704] do_syscall_64+0xc6/0x1e0 [ 8146.969651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.969651][ T7704] [ 8146.971882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8146.971882][ T7704] netdev_get_by_index+0x5e/0x80 [ 8146.971882][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8146.971882][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8146.971882][ T7704] ip6_route_add+0x1c/0x140 [ 8146.971882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8146.971882][ T7704] addrconf_add_dev+0xe2/0x170 [ 8146.971882][ T7704] inet6_addr_add+0x12f/0xa40 [ 8146.971882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.971882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.971882][ T7704] netlink_rcv_skb+0x130/0x360 [ 8146.971882][ T7704] netlink_unicast+0x449/0x710 [ 8146.971882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8146.971882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8146.971882][ T7704] ___sys_sendmsg+0xee/0x170 [ 8146.971882][ T7704] __sys_sendmsg+0xcd/0x170 [ 8146.971882][ T7704] do_syscall_64+0xc6/0x1e0 [ 8146.971882][ T7704] [ 8146.974060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8146.974060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8146.974060][ T7704] ipv6_find_idev+0x102/0x170 [ 8146.974060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.974060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.974060][ T7704] netlink_rcv_skb+0x130/0x360 [ 8146.974060][ T7704] netlink_unicast+0x449/0x710 [ 8146.974060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8146.974060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8146.974060][ T7704] ___sys_sendmsg+0xee/0x170 [ 8146.974060][ T7704] __sys_sendmsg+0xcd/0x170 [ 8146.974060][ T7704] do_syscall_64+0xc6/0x1e0 [ 8146.974060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.974060][ T7704] [ 8146.975769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8146.975769][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8146.975769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8146.975769][ T7704] ipv6_find_idev+0x102/0x170 [ 8146.975769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.975769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.975769][ T7704] netlink_rcv_skb+0x130/0x360 [ 8146.975769][ T7704] netlink_unicast+0x449/0x710 [ 8146.975769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8146.975769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8146.975769][ T7704] ___sys_sendmsg+0xee/0x170 [ 8146.975769][ T7704] __sys_sendmsg+0xcd/0x170 [ 8146.975769][ T7704] do_syscall_64+0xc6/0x1e0 [ 8146.975769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.975769][ T7704] [ 8157.214941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8157.215416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8157.215416][ T7704] netdev_get_by_index+0x5e/0x80 [ 8157.215416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8157.215416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8157.215416][ T7704] ip6_route_add+0x1c/0x140 [ 8157.215416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8157.215416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8157.215416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8157.215416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8157.215416][ T7704] netlink_rcv_skb+0x130/0x360 [ 8157.215416][ T7704] netlink_unicast+0x449/0x710 [ 8157.215416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8157.215416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8157.215416][ T7704] ___sys_sendmsg+0xee/0x170 [ 8157.215416][ T7704] __sys_sendmsg+0xcd/0x170 [ 8157.215416][ T7704] do_syscall_64+0xc6/0x1e0 [ 8157.215416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8157.215416][ T7704] [ 8157.217653][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8157.217653][ T7704] netdev_get_by_index+0x5e/0x80 [ 8157.217653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8157.217653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8157.217653][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8157.217653][ T7704] ipv6_add_addr+0x411/0x2000 [ 8157.217653][ T7704] inet6_addr_add+0x30e/0xa40 [ 8157.217653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8157.217653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8157.217653][ T7704] netlink_rcv_skb+0x130/0x360 [ 8157.217653][ T7704] netlink_unicast+0x449/0x710 [ 8157.217653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8157.217653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8157.217653][ T7704] ___sys_sendmsg+0xee/0x170 [ 8157.217653][ T7704] __sys_sendmsg+0xcd/0x170 [ 8157.217653][ T7704] do_syscall_64+0xc6/0x1e0 [ 8157.217653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8157.217653][ T7704] [ 8157.219868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8157.219868][ T7704] netdev_get_by_index+0x5e/0x80 [ 8157.219868][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8157.219868][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8157.219868][ T7704] ip6_route_add+0x1c/0x140 [ 8157.219868][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8157.219868][ T7704] addrconf_add_dev+0xe2/0x170 [ 8157.219868][ T7704] inet6_addr_add+0x12f/0xa40 [ 8157.219868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8157.219868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8157.219868][ T7704] netlink_rcv_skb+0x130/0x360 [ 8157.219868][ T7704] netlink_unicast+0x449/0x710 [ 8157.219868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8157.219868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8157.219868][ T7704] ___sys_sendmsg+0xee/0x170 [ 8157.219868][ T7704] __sys_sendmsg+0xcd/0x170 [ 8157.219868][ T7704] do_syscall_64+0xc6/0x1e0 [ 8157.219868][ T7704] [ 8157.222055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8157.222055][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8157.222055][ T7704] ipv6_find_idev+0x102/0x170 [ 8157.222055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8157.222055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8157.222055][ T7704] netlink_rcv_skb+0x130/0x360 [ 8157.222055][ T7704] netlink_unicast+0x449/0x710 [ 8157.222055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8157.222055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8157.222055][ T7704] ___sys_sendmsg+0xee/0x170 [ 8157.222055][ T7704] __sys_sendmsg+0xcd/0x170 [ 8157.222055][ T7704] do_syscall_64+0xc6/0x1e0 [ 8157.222055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8157.222055][ T7704] [ 8157.223780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8157.223780][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8157.223780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8157.223780][ T7704] ipv6_find_idev+0x102/0x170 [ 8157.223780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8157.223780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8157.223780][ T7704] netlink_rcv_skb+0x130/0x360 [ 8157.223780][ T7704] netlink_unicast+0x449/0x710 [ 8157.223780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8157.223780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8157.223780][ T7704] ___sys_sendmsg+0xee/0x170 [ 8157.223780][ T7704] __sys_sendmsg+0xcd/0x170 [ 8157.223780][ T7704] do_syscall_64+0xc6/0x1e0 [ 8157.223780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8157.223780][ T7704] [ 8167.374938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8167.375405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8167.375405][ T7704] netdev_get_by_index+0x5e/0x80 [ 8167.375405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8167.375405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8167.375405][ T7704] ip6_route_add+0x1c/0x140 [ 8167.375405][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8167.375405][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8167.375405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8167.375405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8167.375405][ T7704] netlink_rcv_skb+0x130/0x360 [ 8167.375405][ T7704] netlink_unicast+0x449/0x710 [ 8167.375405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8167.375405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8167.375405][ T7704] ___sys_sendmsg+0xee/0x170 [ 8167.375405][ T7704] __sys_sendmsg+0xcd/0x170 [ 8167.375405][ T7704] do_syscall_64+0xc6/0x1e0 [ 8167.375405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8167.375405][ T7704] [ 8167.377697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8167.377697][ T7704] netdev_get_by_index+0x5e/0x80 [ 8167.377697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8167.377697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8167.377697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8167.377697][ T7704] ipv6_add_addr+0x411/0x2000 [ 8167.377697][ T7704] inet6_addr_add+0x30e/0xa40 [ 8167.377697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8167.377697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8167.377697][ T7704] netlink_rcv_skb+0x130/0x360 [ 8167.377697][ T7704] netlink_unicast+0x449/0x710 [ 8167.377697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8167.377697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8167.377697][ T7704] ___sys_sendmsg+0xee/0x170 [ 8167.377697][ T7704] __sys_sendmsg+0xcd/0x170 [ 8167.377697][ T7704] do_syscall_64+0xc6/0x1e0 [ 8167.377697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8167.377697][ T7704] [ 8167.379944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8167.379944][ T7704] netdev_get_by_index+0x5e/0x80 [ 8167.379944][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8167.379944][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8167.379944][ T7704] ip6_route_add+0x1c/0x140 [ 8167.379944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8167.379944][ T7704] addrconf_add_dev+0xe2/0x170 [ 8167.379944][ T7704] inet6_addr_add+0x12f/0xa40 [ 8167.379944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8167.379944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8167.379944][ T7704] netlink_rcv_skb+0x130/0x360 [ 8167.379944][ T7704] netlink_unicast+0x449/0x710 [ 8167.379944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8167.379944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8167.379944][ T7704] ___sys_sendmsg+0xee/0x170 [ 8167.379944][ T7704] __sys_sendmsg+0xcd/0x170 [ 8167.379944][ T7704] do_syscall_64+0xc6/0x1e0 [ 8167.379944][ T7704] [ 8167.382178][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8167.382178][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8167.382178][ T7704] ipv6_find_idev+0x102/0x170 [ 8167.382178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8167.382178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8167.382178][ T7704] netlink_rcv_skb+0x130/0x360 [ 8167.382178][ T7704] netlink_unicast+0x449/0x710 [ 8167.382178][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8167.382178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8167.382178][ T7704] ___sys_sendmsg+0xee/0x170 [ 8167.382178][ T7704] __sys_sendmsg+0xcd/0x170 [ 8167.382178][ T7704] do_syscall_64+0xc6/0x1e0 [ 8167.382178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8167.382178][ T7704] [ 8167.383914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8167.383914][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8167.383914][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8167.383914][ T7704] ipv6_find_idev+0x102/0x170 [ 8167.383914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8167.383914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8167.383914][ T7704] netlink_rcv_skb+0x130/0x360 [ 8167.383914][ T7704] netlink_unicast+0x449/0x710 [ 8167.383914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8167.383914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8167.383914][ T7704] ___sys_sendmsg+0xee/0x170 [ 8167.383914][ T7704] __sys_sendmsg+0xcd/0x170 [ 8167.383914][ T7704] do_syscall_64+0xc6/0x1e0 [ 8167.383914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8167.383914][ T7704] [ 8177.638936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8177.639473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8177.639473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8177.639473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8177.639473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8177.639473][ T7704] ip6_route_add+0x1c/0x140 [ 8177.639473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8177.639473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8177.639473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.639473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.639473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8177.639473][ T7704] netlink_unicast+0x449/0x710 [ 8177.639473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8177.639473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8177.639473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8177.639473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8177.639473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8177.639473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.639473][ T7704] [ 8177.641754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8177.641754][ T7704] netdev_get_by_index+0x5e/0x80 [ 8177.641754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8177.641754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8177.641754][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8177.641754][ T7704] ipv6_add_addr+0x411/0x2000 [ 8177.641754][ T7704] inet6_addr_add+0x30e/0xa40 [ 8177.641754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.641754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.641754][ T7704] netlink_rcv_skb+0x130/0x360 [ 8177.641754][ T7704] netlink_unicast+0x449/0x710 [ 8177.641754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8177.641754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8177.641754][ T7704] ___sys_sendmsg+0xee/0x170 [ 8177.641754][ T7704] __sys_sendmsg+0xcd/0x170 [ 8177.641754][ T7704] do_syscall_64+0xc6/0x1e0 [ 8177.641754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.641754][ T7704] [ 8177.643978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8177.643978][ T7704] netdev_get_by_index+0x5e/0x80 [ 8177.643978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8177.643978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8177.643978][ T7704] ip6_route_add+0x1c/0x140 [ 8177.643978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8177.643978][ T7704] addrconf_add_dev+0xe2/0x170 [ 8177.643978][ T7704] inet6_addr_add+0x12f/0xa40 [ 8177.643978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.643978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.643978][ T7704] netlink_rcv_skb+0x130/0x360 [ 8177.643978][ T7704] netlink_unicast+0x449/0x710 [ 8177.643978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8177.643978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8177.643978][ T7704] ___sys_sendmsg+0xee/0x170 [ 8177.643978][ T7704] __sys_sendmsg+0xcd/0x170 [ 8177.643978][ T7704] do_syscall_64+0xc6/0x1e0 [ 8177.643978][ T7704] [ 8177.646164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8177.646164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8177.646164][ T7704] ipv6_find_idev+0x102/0x170 [ 8177.646164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.646164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.646164][ T7704] netlink_rcv_skb+0x130/0x360 [ 8177.646164][ T7704] netlink_unicast+0x449/0x710 [ 8177.646164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8177.646164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8177.646164][ T7704] ___sys_sendmsg+0xee/0x170 [ 8177.646164][ T7704] __sys_sendmsg+0xcd/0x170 [ 8177.646164][ T7704] do_syscall_64+0xc6/0x1e0 [ 8177.646164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.646164][ T7704] [ 8177.647875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8177.647875][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8177.647875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8177.647875][ T7704] ipv6_find_idev+0x102/0x170 [ 8177.647875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.647875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.647875][ T7704] netlink_rcv_skb+0x130/0x360 [ 8177.647875][ T7704] netlink_unicast+0x449/0x710 [ 8177.647875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8177.647875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8177.647875][ T7704] ___sys_sendmsg+0xee/0x170 [ 8177.647875][ T7704] __sys_sendmsg+0xcd/0x170 [ 8177.647875][ T7704] do_syscall_64+0xc6/0x1e0 [ 8177.647875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.647875][ T7704] [ 8187.774946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8187.775464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8187.775464][ T7704] netdev_get_by_index+0x5e/0x80 [ 8187.775464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8187.775464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8187.775464][ T7704] ip6_route_add+0x1c/0x140 [ 8187.775464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8187.775464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8187.775464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.775464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.775464][ T7704] netlink_rcv_skb+0x130/0x360 [ 8187.775464][ T7704] netlink_unicast+0x449/0x710 [ 8187.775464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8187.775464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8187.775464][ T7704] ___sys_sendmsg+0xee/0x170 [ 8187.775464][ T7704] __sys_sendmsg+0xcd/0x170 [ 8187.775464][ T7704] do_syscall_64+0xc6/0x1e0 [ 8187.775464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.775464][ T7704] [ 8187.777728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8187.777728][ T7704] netdev_get_by_index+0x5e/0x80 [ 8187.777728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8187.777728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8187.777728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8187.777728][ T7704] ipv6_add_addr+0x411/0x2000 [ 8187.777728][ T7704] inet6_addr_add+0x30e/0xa40 [ 8187.777728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.777728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.777728][ T7704] netlink_rcv_skb+0x130/0x360 [ 8187.777728][ T7704] netlink_unicast+0x449/0x710 [ 8187.777728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8187.777728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8187.777728][ T7704] ___sys_sendmsg+0xee/0x170 [ 8187.777728][ T7704] __sys_sendmsg+0xcd/0x170 [ 8187.777728][ T7704] do_syscall_64+0xc6/0x1e0 [ 8187.777728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.777728][ T7704] [ 8187.780011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8187.780011][ T7704] netdev_get_by_index+0x5e/0x80 [ 8187.780011][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8187.780011][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8187.780011][ T7704] ip6_route_add+0x1c/0x140 [ 8187.780011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8187.780011][ T7704] addrconf_add_dev+0xe2/0x170 [ 8187.780011][ T7704] inet6_addr_add+0x12f/0xa40 [ 8187.780011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.780011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.780011][ T7704] netlink_rcv_skb+0x130/0x360 [ 8187.780011][ T7704] netlink_unicast+0x449/0x710 [ 8187.780011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8187.780011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8187.780011][ T7704] ___sys_sendmsg+0xee/0x170 [ 8187.780011][ T7704] __sys_sendmsg+0xcd/0x170 [ 8187.780011][ T7704] do_syscall_64+0xc6/0x1e0 [ 8187.780011][ T7704] [ 8187.782220][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8187.782220][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8187.782220][ T7704] ipv6_find_idev+0x102/0x170 [ 8187.782220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.782220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.782220][ T7704] netlink_rcv_skb+0x130/0x360 [ 8187.782220][ T7704] netlink_unicast+0x449/0x710 [ 8187.782220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8187.782220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8187.782220][ T7704] ___sys_sendmsg+0xee/0x170 [ 8187.782220][ T7704] __sys_sendmsg+0xcd/0x170 [ 8187.782220][ T7704] do_syscall_64+0xc6/0x1e0 [ 8187.782220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.782220][ T7704] [ 8187.783952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8187.783952][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8187.783952][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8187.783952][ T7704] ipv6_find_idev+0x102/0x170 [ 8187.783952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.783952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.783952][ T7704] netlink_rcv_skb+0x130/0x360 [ 8187.783952][ T7704] netlink_unicast+0x449/0x710 [ 8187.783952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8187.783952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8187.783952][ T7704] ___sys_sendmsg+0xee/0x170 [ 8187.783952][ T7704] __sys_sendmsg+0xcd/0x170 [ 8187.783952][ T7704] do_syscall_64+0xc6/0x1e0 [ 8187.783952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.783952][ T7704] [ 8198.022964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8198.023421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8198.023421][ T7704] netdev_get_by_index+0x5e/0x80 [ 8198.023421][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8198.023421][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8198.023421][ T7704] ip6_route_add+0x1c/0x140 [ 8198.023421][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8198.023421][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8198.023421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8198.023421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8198.023421][ T7704] netlink_rcv_skb+0x130/0x360 [ 8198.023421][ T7704] netlink_unicast+0x449/0x710 [ 8198.023421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8198.023421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8198.023421][ T7704] ___sys_sendmsg+0xee/0x170 [ 8198.023421][ T7704] __sys_sendmsg+0xcd/0x170 [ 8198.023421][ T7704] do_syscall_64+0xc6/0x1e0 [ 8198.023421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8198.023421][ T7704] [ 8198.025653][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8198.025653][ T7704] netdev_get_by_index+0x5e/0x80 [ 8198.025653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8198.025653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8198.025653][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8198.025653][ T7704] ipv6_add_addr+0x411/0x2000 [ 8198.025653][ T7704] inet6_addr_add+0x30e/0xa40 [ 8198.025653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8198.025653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8198.025653][ T7704] netlink_rcv_skb+0x130/0x360 [ 8198.025653][ T7704] netlink_unicast+0x449/0x710 [ 8198.025653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8198.025653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8198.025653][ T7704] ___sys_sendmsg+0xee/0x170 [ 8198.025653][ T7704] __sys_sendmsg+0xcd/0x170 [ 8198.025653][ T7704] do_syscall_64+0xc6/0x1e0 [ 8198.025653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8198.025653][ T7704] [ 8198.027871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8198.027871][ T7704] netdev_get_by_index+0x5e/0x80 [ 8198.027871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8198.027871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8198.027871][ T7704] ip6_route_add+0x1c/0x140 [ 8198.027871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8198.027871][ T7704] addrconf_add_dev+0xe2/0x170 [ 8198.027871][ T7704] inet6_addr_add+0x12f/0xa40 [ 8198.027871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8198.027871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8198.027871][ T7704] netlink_rcv_skb+0x130/0x360 [ 8198.027871][ T7704] netlink_unicast+0x449/0x710 [ 8198.027871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8198.027871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8198.027871][ T7704] ___sys_sendmsg+0xee/0x170 [ 8198.027871][ T7704] __sys_sendmsg+0xcd/0x170 [ 8198.027871][ T7704] do_syscall_64+0xc6/0x1e0 [ 8198.027871][ T7704] [ 8198.030050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8198.030050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8198.030050][ T7704] ipv6_find_idev+0x102/0x170 [ 8198.030050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8198.030050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8198.030050][ T7704] netlink_rcv_skb+0x130/0x360 [ 8198.030050][ T7704] netlink_unicast+0x449/0x710 [ 8198.030050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8198.030050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8198.030050][ T7704] ___sys_sendmsg+0xee/0x170 [ 8198.030050][ T7704] __sys_sendmsg+0xcd/0x170 [ 8198.030050][ T7704] do_syscall_64+0xc6/0x1e0 [ 8198.030050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8198.030050][ T7704] [ 8198.031778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8198.031778][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8198.031778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8198.031778][ T7704] ipv6_find_idev+0x102/0x170 [ 8198.031778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8198.031778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8198.031778][ T7704] netlink_rcv_skb+0x130/0x360 [ 8198.031778][ T7704] netlink_unicast+0x449/0x710 [ 8198.031778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8198.031778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8198.031778][ T7704] ___sys_sendmsg+0xee/0x170 [ 8198.031778][ T7704] __sys_sendmsg+0xcd/0x170 [ 8198.031778][ T7704] do_syscall_64+0xc6/0x1e0 [ 8198.031778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8198.031778][ T7704] [ 8208.270929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8208.271433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8208.271433][ T7704] netdev_get_by_index+0x5e/0x80 [ 8208.271433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8208.271433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8208.271433][ T7704] ip6_route_add+0x1c/0x140 [ 8208.271433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8208.271433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8208.271433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8208.271433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8208.271433][ T7704] netlink_rcv_skb+0x130/0x360 [ 8208.271433][ T7704] netlink_unicast+0x449/0x710 [ 8208.271433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8208.271433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8208.271433][ T7704] ___sys_sendmsg+0xee/0x170 [ 8208.271433][ T7704] __sys_sendmsg+0xcd/0x170 [ 8208.271433][ T7704] do_syscall_64+0xc6/0x1e0 [ 8208.271433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8208.271433][ T7704] [ 8208.273770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8208.273770][ T7704] netdev_get_by_index+0x5e/0x80 [ 8208.273770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8208.273770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8208.273770][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8208.273770][ T7704] ipv6_add_addr+0x411/0x2000 [ 8208.273770][ T7704] inet6_addr_add+0x30e/0xa40 [ 8208.273770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8208.273770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8208.273770][ T7704] netlink_rcv_skb+0x130/0x360 [ 8208.273770][ T7704] netlink_unicast+0x449/0x710 [ 8208.273770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8208.273770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8208.273770][ T7704] ___sys_sendmsg+0xee/0x170 [ 8208.273770][ T7704] __sys_sendmsg+0xcd/0x170 [ 8208.273770][ T7704] do_syscall_64+0xc6/0x1e0 [ 8208.273770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8208.273770][ T7704] [ 8208.275988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8208.275988][ T7704] netdev_get_by_index+0x5e/0x80 [ 8208.275988][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8208.275988][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8208.275988][ T7704] ip6_route_add+0x1c/0x140 [ 8208.275988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8208.275988][ T7704] addrconf_add_dev+0xe2/0x170 [ 8208.275988][ T7704] inet6_addr_add+0x12f/0xa40 [ 8208.275988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8208.275988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8208.275988][ T7704] netlink_rcv_skb+0x130/0x360 [ 8208.275988][ T7704] netlink_unicast+0x449/0x710 [ 8208.275988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8208.275988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8208.275988][ T7704] ___sys_sendmsg+0xee/0x170 [ 8208.275988][ T7704] __sys_sendmsg+0xcd/0x170 [ 8208.275988][ T7704] do_syscall_64+0xc6/0x1e0 [ 8208.275988][ T7704] [ 8208.278165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8208.278165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8208.278165][ T7704] ipv6_find_idev+0x102/0x170 [ 8208.278165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8208.278165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8208.278165][ T7704] netlink_rcv_skb+0x130/0x360 [ 8208.278165][ T7704] netlink_unicast+0x449/0x710 [ 8208.278165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8208.278165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8208.278165][ T7704] ___sys_sendmsg+0xee/0x170 [ 8208.278165][ T7704] __sys_sendmsg+0xcd/0x170 [ 8208.278165][ T7704] do_syscall_64+0xc6/0x1e0 [ 8208.278165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8208.278165][ T7704] [ 8208.279871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8208.279871][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8208.279871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8208.279871][ T7704] ipv6_find_idev+0x102/0x170 [ 8208.279871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8208.279871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8208.279871][ T7704] netlink_rcv_skb+0x130/0x360 [ 8208.279871][ T7704] netlink_unicast+0x449/0x710 [ 8208.279871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8208.279871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8208.279871][ T7704] ___sys_sendmsg+0xee/0x170 [ 8208.279871][ T7704] __sys_sendmsg+0xcd/0x170 [ 8208.279871][ T7704] do_syscall_64+0xc6/0x1e0 [ 8208.279871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8208.279871][ T7704] [ 8218.534947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8218.535455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8218.535455][ T7704] netdev_get_by_index+0x5e/0x80 [ 8218.535455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8218.535455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8218.535455][ T7704] ip6_route_add+0x1c/0x140 [ 8218.535455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8218.535455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8218.535455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.535455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.535455][ T7704] netlink_rcv_skb+0x130/0x360 [ 8218.535455][ T7704] netlink_unicast+0x449/0x710 [ 8218.535455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8218.535455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8218.535455][ T7704] ___sys_sendmsg+0xee/0x170 [ 8218.535455][ T7704] __sys_sendmsg+0xcd/0x170 [ 8218.535455][ T7704] do_syscall_64+0xc6/0x1e0 [ 8218.535455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.535455][ T7704] [ 8218.537699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8218.537699][ T7704] netdev_get_by_index+0x5e/0x80 [ 8218.537699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8218.537699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8218.537699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8218.537699][ T7704] ipv6_add_addr+0x411/0x2000 [ 8218.537699][ T7704] inet6_addr_add+0x30e/0xa40 [ 8218.537699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.537699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.537699][ T7704] netlink_rcv_skb+0x130/0x360 [ 8218.537699][ T7704] netlink_unicast+0x449/0x710 [ 8218.537699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8218.537699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8218.537699][ T7704] ___sys_sendmsg+0xee/0x170 [ 8218.537699][ T7704] __sys_sendmsg+0xcd/0x170 [ 8218.537699][ T7704] do_syscall_64+0xc6/0x1e0 [ 8218.537699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.537699][ T7704] [ 8218.539915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8218.539915][ T7704] netdev_get_by_index+0x5e/0x80 [ 8218.539915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8218.539915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8218.539915][ T7704] ip6_route_add+0x1c/0x140 [ 8218.539915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8218.539915][ T7704] addrconf_add_dev+0xe2/0x170 [ 8218.539915][ T7704] inet6_addr_add+0x12f/0xa40 [ 8218.539915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.539915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.539915][ T7704] netlink_rcv_skb+0x130/0x360 [ 8218.539915][ T7704] netlink_unicast+0x449/0x710 [ 8218.539915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8218.539915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8218.539915][ T7704] ___sys_sendmsg+0xee/0x170 [ 8218.539915][ T7704] __sys_sendmsg+0xcd/0x170 [ 8218.539915][ T7704] do_syscall_64+0xc6/0x1e0 [ 8218.539915][ T7704] [ 8218.542103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8218.542103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8218.542103][ T7704] ipv6_find_idev+0x102/0x170 [ 8218.542103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.542103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.542103][ T7704] netlink_rcv_skb+0x130/0x360 [ 8218.542103][ T7704] netlink_unicast+0x449/0x710 [ 8218.542103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8218.542103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8218.542103][ T7704] ___sys_sendmsg+0xee/0x170 [ 8218.542103][ T7704] __sys_sendmsg+0xcd/0x170 [ 8218.542103][ T7704] do_syscall_64+0xc6/0x1e0 [ 8218.542103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.542103][ T7704] [ 8218.543813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8218.543813][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8218.543813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8218.543813][ T7704] ipv6_find_idev+0x102/0x170 [ 8218.543813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.543813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.543813][ T7704] netlink_rcv_skb+0x130/0x360 [ 8218.543813][ T7704] netlink_unicast+0x449/0x710 [ 8218.543813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8218.543813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8218.543813][ T7704] ___sys_sendmsg+0xee/0x170 [ 8218.543813][ T7704] __sys_sendmsg+0xcd/0x170 [ 8218.543813][ T7704] do_syscall_64+0xc6/0x1e0 [ 8218.543813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.543813][ T7704] [ 8228.734986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8228.735501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8228.735501][ T7704] netdev_get_by_index+0x5e/0x80 [ 8228.735501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8228.735501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8228.735501][ T7704] ip6_route_add+0x1c/0x140 [ 8228.735501][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8228.735501][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8228.735501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.735501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.735501][ T7704] netlink_rcv_skb+0x130/0x360 [ 8228.735501][ T7704] netlink_unicast+0x449/0x710 [ 8228.735501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8228.735501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8228.735501][ T7704] ___sys_sendmsg+0xee/0x170 [ 8228.735501][ T7704] __sys_sendmsg+0xcd/0x170 [ 8228.735501][ T7704] do_syscall_64+0xc6/0x1e0 [ 8228.735501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.735501][ T7704] [ 8228.737737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8228.737737][ T7704] netdev_get_by_index+0x5e/0x80 [ 8228.737737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8228.737737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8228.737737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8228.737737][ T7704] ipv6_add_addr+0x411/0x2000 [ 8228.737737][ T7704] inet6_addr_add+0x30e/0xa40 [ 8228.737737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.737737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.737737][ T7704] netlink_rcv_skb+0x130/0x360 [ 8228.737737][ T7704] netlink_unicast+0x449/0x710 [ 8228.737737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8228.737737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8228.737737][ T7704] ___sys_sendmsg+0xee/0x170 [ 8228.737737][ T7704] __sys_sendmsg+0xcd/0x170 [ 8228.737737][ T7704] do_syscall_64+0xc6/0x1e0 [ 8228.737737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.737737][ T7704] [ 8228.739973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8228.739973][ T7704] netdev_get_by_index+0x5e/0x80 [ 8228.739973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8228.739973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8228.739973][ T7704] ip6_route_add+0x1c/0x140 [ 8228.739973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8228.739973][ T7704] addrconf_add_dev+0xe2/0x170 [ 8228.739973][ T7704] inet6_addr_add+0x12f/0xa40 [ 8228.739973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.739973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.739973][ T7704] netlink_rcv_skb+0x130/0x360 [ 8228.739973][ T7704] netlink_unicast+0x449/0x710 [ 8228.739973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8228.739973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8228.739973][ T7704] ___sys_sendmsg+0xee/0x170 [ 8228.739973][ T7704] __sys_sendmsg+0xcd/0x170 [ 8228.739973][ T7704] do_syscall_64+0xc6/0x1e0 [ 8228.739973][ T7704] [ 8228.742163][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8228.742163][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8228.742163][ T7704] ipv6_find_idev+0x102/0x170 [ 8228.742163][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.742163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.742163][ T7704] netlink_rcv_skb+0x130/0x360 [ 8228.742163][ T7704] netlink_unicast+0x449/0x710 [ 8228.742163][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8228.742163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8228.742163][ T7704] ___sys_sendmsg+0xee/0x170 [ 8228.742163][ T7704] __sys_sendmsg+0xcd/0x170 [ 8228.742163][ T7704] do_syscall_64+0xc6/0x1e0 [ 8228.742163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.742163][ T7704] [ 8228.743872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8228.743872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8228.743872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8228.743872][ T7704] ipv6_find_idev+0x102/0x170 [ 8228.743872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.743872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.743872][ T7704] netlink_rcv_skb+0x130/0x360 [ 8228.743872][ T7704] netlink_unicast+0x449/0x710 [ 8228.743872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8228.743872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8228.743872][ T7704] ___sys_sendmsg+0xee/0x170 [ 8228.743872][ T7704] __sys_sendmsg+0xcd/0x170 [ 8228.743872][ T7704] do_syscall_64+0xc6/0x1e0 [ 8228.743872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.743872][ T7704] [ 8238.982952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8238.983407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8238.983407][ T7704] netdev_get_by_index+0x5e/0x80 [ 8238.983407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8238.983407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8238.983407][ T7704] ip6_route_add+0x1c/0x140 [ 8238.983407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8238.983407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8238.983407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.983407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.983407][ T7704] netlink_rcv_skb+0x130/0x360 [ 8238.983407][ T7704] netlink_unicast+0x449/0x710 [ 8238.983407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8238.983407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8238.983407][ T7704] ___sys_sendmsg+0xee/0x170 [ 8238.983407][ T7704] __sys_sendmsg+0xcd/0x170 [ 8238.983407][ T7704] do_syscall_64+0xc6/0x1e0 [ 8238.983407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.983407][ T7704] [ 8238.985658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8238.985658][ T7704] netdev_get_by_index+0x5e/0x80 [ 8238.985658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8238.985658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8238.985658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8238.985658][ T7704] ipv6_add_addr+0x411/0x2000 [ 8238.985658][ T7704] inet6_addr_add+0x30e/0xa40 [ 8238.985658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.985658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.985658][ T7704] netlink_rcv_skb+0x130/0x360 [ 8238.985658][ T7704] netlink_unicast+0x449/0x710 [ 8238.985658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8238.985658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8238.985658][ T7704] ___sys_sendmsg+0xee/0x170 [ 8238.985658][ T7704] __sys_sendmsg+0xcd/0x170 [ 8238.985658][ T7704] do_syscall_64+0xc6/0x1e0 [ 8238.985658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.985658][ T7704] [ 8238.987876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8238.987876][ T7704] netdev_get_by_index+0x5e/0x80 [ 8238.987876][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8238.987876][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8238.987876][ T7704] ip6_route_add+0x1c/0x140 [ 8238.987876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8238.987876][ T7704] addrconf_add_dev+0xe2/0x170 [ 8238.987876][ T7704] inet6_addr_add+0x12f/0xa40 [ 8238.987876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.987876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.987876][ T7704] netlink_rcv_skb+0x130/0x360 [ 8238.987876][ T7704] netlink_unicast+0x449/0x710 [ 8238.987876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8238.987876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8238.987876][ T7704] ___sys_sendmsg+0xee/0x170 [ 8238.987876][ T7704] __sys_sendmsg+0xcd/0x170 [ 8238.987876][ T7704] do_syscall_64+0xc6/0x1e0 [ 8238.987876][ T7704] [ 8238.990059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8238.990059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8238.990059][ T7704] ipv6_find_idev+0x102/0x170 [ 8238.990059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.990059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.990059][ T7704] netlink_rcv_skb+0x130/0x360 [ 8238.990059][ T7704] netlink_unicast+0x449/0x710 [ 8238.990059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8238.990059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8238.990059][ T7704] ___sys_sendmsg+0xee/0x170 [ 8238.990059][ T7704] __sys_sendmsg+0xcd/0x170 [ 8238.990059][ T7704] do_syscall_64+0xc6/0x1e0 [ 8238.990059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.990059][ T7704] [ 8238.991780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8238.991780][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8238.991780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8238.991780][ T7704] ipv6_find_idev+0x102/0x170 [ 8238.991780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.991780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.991780][ T7704] netlink_rcv_skb+0x130/0x360 [ 8238.991780][ T7704] netlink_unicast+0x449/0x710 [ 8238.991780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8238.991780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8238.991780][ T7704] ___sys_sendmsg+0xee/0x170 [ 8238.991780][ T7704] __sys_sendmsg+0xcd/0x170 [ 8238.991780][ T7704] do_syscall_64+0xc6/0x1e0 [ 8238.991780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.991780][ T7704] [ 8249.230944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8249.231453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8249.231453][ T7704] netdev_get_by_index+0x5e/0x80 [ 8249.231453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8249.231453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8249.231453][ T7704] ip6_route_add+0x1c/0x140 [ 8249.231453][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8249.231453][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8249.231453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8249.231453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8249.231453][ T7704] netlink_rcv_skb+0x130/0x360 [ 8249.231453][ T7704] netlink_unicast+0x449/0x710 [ 8249.231453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8249.231453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8249.231453][ T7704] ___sys_sendmsg+0xee/0x170 [ 8249.231453][ T7704] __sys_sendmsg+0xcd/0x170 [ 8249.231453][ T7704] do_syscall_64+0xc6/0x1e0 [ 8249.231453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8249.231453][ T7704] [ 8249.233703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8249.233703][ T7704] netdev_get_by_index+0x5e/0x80 [ 8249.233703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8249.233703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8249.233703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8249.233703][ T7704] ipv6_add_addr+0x411/0x2000 [ 8249.233703][ T7704] inet6_addr_add+0x30e/0xa40 [ 8249.233703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8249.233703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8249.233703][ T7704] netlink_rcv_skb+0x130/0x360 [ 8249.233703][ T7704] netlink_unicast+0x449/0x710 [ 8249.233703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8249.233703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8249.233703][ T7704] ___sys_sendmsg+0xee/0x170 [ 8249.233703][ T7704] __sys_sendmsg+0xcd/0x170 [ 8249.233703][ T7704] do_syscall_64+0xc6/0x1e0 [ 8249.233703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8249.233703][ T7704] [ 8249.235921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8249.235921][ T7704] netdev_get_by_index+0x5e/0x80 [ 8249.235921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8249.235921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8249.235921][ T7704] ip6_route_add+0x1c/0x140 [ 8249.235921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8249.235921][ T7704] addrconf_add_dev+0xe2/0x170 [ 8249.235921][ T7704] inet6_addr_add+0x12f/0xa40 [ 8249.235921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8249.235921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8249.235921][ T7704] netlink_rcv_skb+0x130/0x360 [ 8249.235921][ T7704] netlink_unicast+0x449/0x710 [ 8249.235921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8249.235921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8249.235921][ T7704] ___sys_sendmsg+0xee/0x170 [ 8249.235921][ T7704] __sys_sendmsg+0xcd/0x170 [ 8249.235921][ T7704] do_syscall_64+0xc6/0x1e0 [ 8249.235921][ T7704] [ 8249.238100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8249.238100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8249.238100][ T7704] ipv6_find_idev+0x102/0x170 [ 8249.238100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8249.238100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8249.238100][ T7704] netlink_rcv_skb+0x130/0x360 [ 8249.238100][ T7704] netlink_unicast+0x449/0x710 [ 8249.238100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8249.238100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8249.238100][ T7704] ___sys_sendmsg+0xee/0x170 [ 8249.238100][ T7704] __sys_sendmsg+0xcd/0x170 [ 8249.238100][ T7704] do_syscall_64+0xc6/0x1e0 [ 8249.238100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8249.238100][ T7704] [ 8249.239817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8249.239817][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8249.239817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8249.239817][ T7704] ipv6_find_idev+0x102/0x170 [ 8249.239817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8249.239817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8249.239817][ T7704] netlink_rcv_skb+0x130/0x360 [ 8249.239817][ T7704] netlink_unicast+0x449/0x710 [ 8249.239817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8249.239817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8249.239817][ T7704] ___sys_sendmsg+0xee/0x170 [ 8249.239817][ T7704] __sys_sendmsg+0xcd/0x170 [ 8249.239817][ T7704] do_syscall_64+0xc6/0x1e0 [ 8249.239817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8249.239817][ T7704] [ 8259.350942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8259.351460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8259.351460][ T7704] netdev_get_by_index+0x5e/0x80 [ 8259.351460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8259.351460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8259.351460][ T7704] ip6_route_add+0x1c/0x140 [ 8259.351460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8259.351460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8259.351460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8259.351460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8259.351460][ T7704] netlink_rcv_skb+0x130/0x360 [ 8259.351460][ T7704] netlink_unicast+0x449/0x710 [ 8259.351460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8259.351460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8259.351460][ T7704] ___sys_sendmsg+0xee/0x170 [ 8259.351460][ T7704] __sys_sendmsg+0xcd/0x170 [ 8259.351460][ T7704] do_syscall_64+0xc6/0x1e0 [ 8259.351460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8259.351460][ T7704] [ 8259.353702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8259.353702][ T7704] netdev_get_by_index+0x5e/0x80 [ 8259.353702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8259.353702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8259.353702][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8259.353702][ T7704] ipv6_add_addr+0x411/0x2000 [ 8259.353702][ T7704] inet6_addr_add+0x30e/0xa40 [ 8259.353702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8259.353702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8259.353702][ T7704] netlink_rcv_skb+0x130/0x360 [ 8259.353702][ T7704] netlink_unicast+0x449/0x710 [ 8259.353702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8259.353702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8259.353702][ T7704] ___sys_sendmsg+0xee/0x170 [ 8259.353702][ T7704] __sys_sendmsg+0xcd/0x170 [ 8259.353702][ T7704] do_syscall_64+0xc6/0x1e0 [ 8259.353702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8259.353702][ T7704] [ 8259.355928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8259.355928][ T7704] netdev_get_by_index+0x5e/0x80 [ 8259.355928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8259.355928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8259.355928][ T7704] ip6_route_add+0x1c/0x140 [ 8259.355928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8259.355928][ T7704] addrconf_add_dev+0xe2/0x170 [ 8259.355928][ T7704] inet6_addr_add+0x12f/0xa40 [ 8259.355928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8259.355928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8259.355928][ T7704] netlink_rcv_skb+0x130/0x360 [ 8259.355928][ T7704] netlink_unicast+0x449/0x710 [ 8259.355928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8259.355928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8259.355928][ T7704] ___sys_sendmsg+0xee/0x170 [ 8259.355928][ T7704] __sys_sendmsg+0xcd/0x170 [ 8259.355928][ T7704] do_syscall_64+0xc6/0x1e0 [ 8259.355928][ T7704] [ 8259.358108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8259.358108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8259.358108][ T7704] ipv6_find_idev+0x102/0x170 [ 8259.358108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8259.358108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8259.358108][ T7704] netlink_rcv_skb+0x130/0x360 [ 8259.358108][ T7704] netlink_unicast+0x449/0x710 [ 8259.358108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8259.358108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8259.358108][ T7704] ___sys_sendmsg+0xee/0x170 [ 8259.358108][ T7704] __sys_sendmsg+0xcd/0x170 [ 8259.358108][ T7704] do_syscall_64+0xc6/0x1e0 [ 8259.358108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8259.358108][ T7704] [ 8259.359814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8259.359814][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8259.359814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8259.359814][ T7704] ipv6_find_idev+0x102/0x170 [ 8259.359814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8259.359814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8259.359814][ T7704] netlink_rcv_skb+0x130/0x360 [ 8259.359814][ T7704] netlink_unicast+0x449/0x710 [ 8259.359814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8259.359814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8259.359814][ T7704] ___sys_sendmsg+0xee/0x170 [ 8259.359814][ T7704] __sys_sendmsg+0xcd/0x170 [ 8259.359814][ T7704] do_syscall_64+0xc6/0x1e0 [ 8259.359814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8259.359814][ T7704] [ 8269.606981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8269.607515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8269.607515][ T7704] netdev_get_by_index+0x5e/0x80 [ 8269.607515][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8269.607515][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8269.607515][ T7704] ip6_route_add+0x1c/0x140 [ 8269.607515][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8269.607515][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8269.607515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.607515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.607515][ T7704] netlink_rcv_skb+0x130/0x360 [ 8269.607515][ T7704] netlink_unicast+0x449/0x710 [ 8269.607515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8269.607515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8269.607515][ T7704] ___sys_sendmsg+0xee/0x170 [ 8269.607515][ T7704] __sys_sendmsg+0xcd/0x170 [ 8269.607515][ T7704] do_syscall_64+0xc6/0x1e0 [ 8269.607515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.607515][ T7704] [ 8269.609959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8269.609959][ T7704] netdev_get_by_index+0x5e/0x80 [ 8269.609959][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8269.609959][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8269.609959][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8269.609959][ T7704] ipv6_add_addr+0x411/0x2000 [ 8269.609959][ T7704] inet6_addr_add+0x30e/0xa40 [ 8269.609959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.609959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.609959][ T7704] netlink_rcv_skb+0x130/0x360 [ 8269.609959][ T7704] netlink_unicast+0x449/0x710 [ 8269.609959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8269.609959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8269.609959][ T7704] ___sys_sendmsg+0xee/0x170 [ 8269.609959][ T7704] __sys_sendmsg+0xcd/0x170 [ 8269.609959][ T7704] do_syscall_64+0xc6/0x1e0 [ 8269.609959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.609959][ T7704] [ 8269.612223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8269.612223][ T7704] netdev_get_by_index+0x5e/0x80 [ 8269.612223][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8269.612223][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8269.612223][ T7704] ip6_route_add+0x1c/0x140 [ 8269.612223][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8269.612223][ T7704] addrconf_add_dev+0xe2/0x170 [ 8269.612223][ T7704] inet6_addr_add+0x12f/0xa40 [ 8269.612223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.612223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.612223][ T7704] netlink_rcv_skb+0x130/0x360 [ 8269.612223][ T7704] netlink_unicast+0x449/0x710 [ 8269.612223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8269.612223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8269.612223][ T7704] ___sys_sendmsg+0xee/0x170 [ 8269.612223][ T7704] __sys_sendmsg+0xcd/0x170 [ 8269.612223][ T7704] do_syscall_64+0xc6/0x1e0 [ 8269.612223][ T7704] [ 8269.614438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8269.614438][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8269.614438][ T7704] ipv6_find_idev+0x102/0x170 [ 8269.614438][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.614438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.614438][ T7704] netlink_rcv_skb+0x130/0x360 [ 8269.614438][ T7704] netlink_unicast+0x449/0x710 [ 8269.614438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8269.614438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8269.614438][ T7704] ___sys_sendmsg+0xee/0x170 [ 8269.614438][ T7704] __sys_sendmsg+0xcd/0x170 [ 8269.614438][ T7704] do_syscall_64+0xc6/0x1e0 [ 8269.614438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.614438][ T7704] [ 8269.616171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8269.616171][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8269.616171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8269.616171][ T7704] ipv6_find_idev+0x102/0x170 [ 8269.616171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.616171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.616171][ T7704] netlink_rcv_skb+0x130/0x360 [ 8269.616171][ T7704] netlink_unicast+0x449/0x710 [ 8269.616171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8269.616171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8269.616171][ T7704] ___sys_sendmsg+0xee/0x170 [ 8269.616171][ T7704] __sys_sendmsg+0xcd/0x170 [ 8269.616171][ T7704] do_syscall_64+0xc6/0x1e0 [ 8269.616171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.616171][ T7704] [ 8279.750955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8279.751429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8279.751429][ T7704] netdev_get_by_index+0x5e/0x80 [ 8279.751429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8279.751429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8279.751429][ T7704] ip6_route_add+0x1c/0x140 [ 8279.751429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8279.751429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8279.751429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.751429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.751429][ T7704] netlink_rcv_skb+0x130/0x360 [ 8279.751429][ T7704] netlink_unicast+0x449/0x710 [ 8279.751429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8279.751429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8279.751429][ T7704] ___sys_sendmsg+0xee/0x170 [ 8279.751429][ T7704] __sys_sendmsg+0xcd/0x170 [ 8279.751429][ T7704] do_syscall_64+0xc6/0x1e0 [ 8279.751429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.751429][ T7704] [ 8279.753727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8279.753727][ T7704] netdev_get_by_index+0x5e/0x80 [ 8279.753727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8279.753727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8279.753727][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8279.753727][ T7704] ipv6_add_addr+0x411/0x2000 [ 8279.753727][ T7704] inet6_addr_add+0x30e/0xa40 [ 8279.753727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.753727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.753727][ T7704] netlink_rcv_skb+0x130/0x360 [ 8279.753727][ T7704] netlink_unicast+0x449/0x710 [ 8279.753727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8279.753727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8279.753727][ T7704] ___sys_sendmsg+0xee/0x170 [ 8279.753727][ T7704] __sys_sendmsg+0xcd/0x170 [ 8279.753727][ T7704] do_syscall_64+0xc6/0x1e0 [ 8279.753727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.753727][ T7704] [ 8279.755989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8279.755989][ T7704] netdev_get_by_index+0x5e/0x80 [ 8279.755989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8279.755989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8279.755989][ T7704] ip6_route_add+0x1c/0x140 [ 8279.755989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8279.755989][ T7704] addrconf_add_dev+0xe2/0x170 [ 8279.755989][ T7704] inet6_addr_add+0x12f/0xa40 [ 8279.755989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.755989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.755989][ T7704] netlink_rcv_skb+0x130/0x360 [ 8279.755989][ T7704] netlink_unicast+0x449/0x710 [ 8279.755989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8279.755989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8279.755989][ T7704] ___sys_sendmsg+0xee/0x170 [ 8279.755989][ T7704] __sys_sendmsg+0xcd/0x170 [ 8279.755989][ T7704] do_syscall_64+0xc6/0x1e0 [ 8279.755989][ T7704] [ 8279.758203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8279.758203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8279.758203][ T7704] ipv6_find_idev+0x102/0x170 [ 8279.758203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.758203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.758203][ T7704] netlink_rcv_skb+0x130/0x360 [ 8279.758203][ T7704] netlink_unicast+0x449/0x710 [ 8279.758203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8279.758203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8279.758203][ T7704] ___sys_sendmsg+0xee/0x170 [ 8279.758203][ T7704] __sys_sendmsg+0xcd/0x170 [ 8279.758203][ T7704] do_syscall_64+0xc6/0x1e0 [ 8279.758203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.758203][ T7704] [ 8279.759935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8279.759935][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8279.759935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8279.759935][ T7704] ipv6_find_idev+0x102/0x170 [ 8279.759935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.759935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.759935][ T7704] netlink_rcv_skb+0x130/0x360 [ 8279.759935][ T7704] netlink_unicast+0x449/0x710 [ 8279.759935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8279.759935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8279.759935][ T7704] ___sys_sendmsg+0xee/0x170 [ 8279.759935][ T7704] __sys_sendmsg+0xcd/0x170 [ 8279.759935][ T7704] do_syscall_64+0xc6/0x1e0 [ 8279.759935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.759935][ T7704] [ 8289.998936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8289.999461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8289.999461][ T7704] netdev_get_by_index+0x5e/0x80 [ 8289.999461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8289.999461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8289.999461][ T7704] ip6_route_add+0x1c/0x140 [ 8289.999461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8289.999461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8289.999461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.999461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.999461][ T7704] netlink_rcv_skb+0x130/0x360 [ 8289.999461][ T7704] netlink_unicast+0x449/0x710 [ 8289.999461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8289.999461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8289.999461][ T7704] ___sys_sendmsg+0xee/0x170 [ 8289.999461][ T7704] __sys_sendmsg+0xcd/0x170 [ 8289.999461][ T7704] do_syscall_64+0xc6/0x1e0 [ 8289.999461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.999461][ T7704] [ 8290.001759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8290.001759][ T7704] netdev_get_by_index+0x5e/0x80 [ 8290.001759][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8290.001759][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8290.001759][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8290.001759][ T7704] ipv6_add_addr+0x411/0x2000 [ 8290.001759][ T7704] inet6_addr_add+0x30e/0xa40 [ 8290.001759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8290.001759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8290.001759][ T7704] netlink_rcv_skb+0x130/0x360 [ 8290.001759][ T7704] netlink_unicast+0x449/0x710 [ 8290.001759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8290.001759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8290.001759][ T7704] ___sys_sendmsg+0xee/0x170 [ 8290.001759][ T7704] __sys_sendmsg+0xcd/0x170 [ 8290.001759][ T7704] do_syscall_64+0xc6/0x1e0 [ 8290.001759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8290.001759][ T7704] [ 8290.004018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8290.004018][ T7704] netdev_get_by_index+0x5e/0x80 [ 8290.004018][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8290.004018][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8290.004018][ T7704] ip6_route_add+0x1c/0x140 [ 8290.004018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8290.004018][ T7704] addrconf_add_dev+0xe2/0x170 [ 8290.004018][ T7704] inet6_addr_add+0x12f/0xa40 [ 8290.004018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8290.004018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8290.004018][ T7704] netlink_rcv_skb+0x130/0x360 [ 8290.004018][ T7704] netlink_unicast+0x449/0x710 [ 8290.004018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8290.004018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8290.004018][ T7704] ___sys_sendmsg+0xee/0x170 [ 8290.004018][ T7704] __sys_sendmsg+0xcd/0x170 [ 8290.004018][ T7704] do_syscall_64+0xc6/0x1e0 [ 8290.004018][ T7704] [ 8290.006229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8290.006229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8290.006229][ T7704] ipv6_find_idev+0x102/0x170 [ 8290.006229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8290.006229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8290.006229][ T7704] netlink_rcv_skb+0x130/0x360 [ 8290.006229][ T7704] netlink_unicast+0x449/0x710 [ 8290.006229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8290.006229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8290.006229][ T7704] ___sys_sendmsg+0xee/0x170 [ 8290.006229][ T7704] __sys_sendmsg+0xcd/0x170 [ 8290.006229][ T7704] do_syscall_64+0xc6/0x1e0 [ 8290.006229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8290.006229][ T7704] [ 8290.007966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8290.007966][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8290.007966][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8290.007966][ T7704] ipv6_find_idev+0x102/0x170 [ 8290.007966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8290.007966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8290.007966][ T7704] netlink_rcv_skb+0x130/0x360 [ 8290.007966][ T7704] netlink_unicast+0x449/0x710 [ 8290.007966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8290.007966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8290.007966][ T7704] ___sys_sendmsg+0xee/0x170 [ 8290.007966][ T7704] __sys_sendmsg+0xcd/0x170 [ 8290.007966][ T7704] do_syscall_64+0xc6/0x1e0 [ 8290.007966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8290.007966][ T7704] [ 8300.262941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8300.263473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8300.263473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8300.263473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8300.263473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8300.263473][ T7704] ip6_route_add+0x1c/0x140 [ 8300.263473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8300.263473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8300.263473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8300.263473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8300.263473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8300.263473][ T7704] netlink_unicast+0x449/0x710 [ 8300.263473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8300.263473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8300.263473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8300.263473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8300.263473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8300.263473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8300.263473][ T7704] [ 8300.265749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8300.265749][ T7704] netdev_get_by_index+0x5e/0x80 [ 8300.265749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8300.265749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8300.265749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8300.265749][ T7704] ipv6_add_addr+0x411/0x2000 [ 8300.265749][ T7704] inet6_addr_add+0x30e/0xa40 [ 8300.265749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8300.265749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8300.265749][ T7704] netlink_rcv_skb+0x130/0x360 [ 8300.265749][ T7704] netlink_unicast+0x449/0x710 [ 8300.265749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8300.265749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8300.265749][ T7704] ___sys_sendmsg+0xee/0x170 [ 8300.265749][ T7704] __sys_sendmsg+0xcd/0x170 [ 8300.265749][ T7704] do_syscall_64+0xc6/0x1e0 [ 8300.265749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8300.265749][ T7704] [ 8300.268029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8300.268029][ T7704] netdev_get_by_index+0x5e/0x80 [ 8300.268029][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8300.268029][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8300.268029][ T7704] ip6_route_add+0x1c/0x140 [ 8300.268029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8300.268029][ T7704] addrconf_add_dev+0xe2/0x170 [ 8300.268029][ T7704] inet6_addr_add+0x12f/0xa40 [ 8300.268029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8300.268029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8300.268029][ T7704] netlink_rcv_skb+0x130/0x360 [ 8300.268029][ T7704] netlink_unicast+0x449/0x710 [ 8300.268029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8300.268029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8300.268029][ T7704] ___sys_sendmsg+0xee/0x170 [ 8300.268029][ T7704] __sys_sendmsg+0xcd/0x170 [ 8300.268029][ T7704] do_syscall_64+0xc6/0x1e0 [ 8300.268029][ T7704] [ 8300.270248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8300.270248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8300.270248][ T7704] ipv6_find_idev+0x102/0x170 [ 8300.270248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8300.270248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8300.270248][ T7704] netlink_rcv_skb+0x130/0x360 [ 8300.270248][ T7704] netlink_unicast+0x449/0x710 [ 8300.270248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8300.270248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8300.270248][ T7704] ___sys_sendmsg+0xee/0x170 [ 8300.270248][ T7704] __sys_sendmsg+0xcd/0x170 [ 8300.270248][ T7704] do_syscall_64+0xc6/0x1e0 [ 8300.270248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8300.270248][ T7704] [ 8300.272014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8300.272014][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8300.272014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8300.272014][ T7704] ipv6_find_idev+0x102/0x170 [ 8300.272014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8300.272014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8300.272014][ T7704] netlink_rcv_skb+0x130/0x360 [ 8300.272014][ T7704] netlink_unicast+0x449/0x710 [ 8300.272014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8300.272014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8300.272014][ T7704] ___sys_sendmsg+0xee/0x170 [ 8300.272014][ T7704] __sys_sendmsg+0xcd/0x170 [ 8300.272014][ T7704] do_syscall_64+0xc6/0x1e0 [ 8300.272014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8300.272014][ T7704] [ 8310.510875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8310.511900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8310.511900][ T7704] netdev_get_by_index+0x5e/0x80 [ 8310.511900][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8310.511900][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8310.511900][ T7704] ip6_route_add+0x1c/0x140 [ 8310.511900][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8310.511900][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8310.511900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.511900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.511900][ T7704] netlink_rcv_skb+0x130/0x360 [ 8310.511900][ T7704] netlink_unicast+0x449/0x710 [ 8310.511900][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8310.511900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8310.511900][ T7704] ___sys_sendmsg+0xee/0x170 [ 8310.511900][ T7704] __sys_sendmsg+0xcd/0x170 [ 8310.511900][ T7704] do_syscall_64+0xc6/0x1e0 [ 8310.511900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.511900][ T7704] [ 8310.514171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8310.514171][ T7704] netdev_get_by_index+0x5e/0x80 [ 8310.514171][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8310.514171][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8310.514171][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8310.514171][ T7704] ipv6_add_addr+0x411/0x2000 [ 8310.514171][ T7704] inet6_addr_add+0x30e/0xa40 [ 8310.514171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.514171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.514171][ T7704] netlink_rcv_skb+0x130/0x360 [ 8310.514171][ T7704] netlink_unicast+0x449/0x710 [ 8310.514171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8310.514171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8310.514171][ T7704] ___sys_sendmsg+0xee/0x170 [ 8310.514171][ T7704] __sys_sendmsg+0xcd/0x170 [ 8310.514171][ T7704] do_syscall_64+0xc6/0x1e0 [ 8310.514171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.514171][ T7704] [ 8310.516423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8310.516423][ T7704] netdev_get_by_index+0x5e/0x80 [ 8310.516423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8310.516423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8310.516423][ T7704] ip6_route_add+0x1c/0x140 [ 8310.516423][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8310.516423][ T7704] addrconf_add_dev+0xe2/0x170 [ 8310.516423][ T7704] inet6_addr_add+0x12f/0xa40 [ 8310.516423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.516423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.516423][ T7704] netlink_rcv_skb+0x130/0x360 [ 8310.516423][ T7704] netlink_unicast+0x449/0x710 [ 8310.516423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8310.516423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8310.516423][ T7704] ___sys_sendmsg+0xee/0x170 [ 8310.516423][ T7704] __sys_sendmsg+0xcd/0x170 [ 8310.516423][ T7704] do_syscall_64+0xc6/0x1e0 [ 8310.516423][ T7704] [ 8310.518637][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8310.518637][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8310.518637][ T7704] ipv6_find_idev+0x102/0x170 [ 8310.518637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.518637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.518637][ T7704] netlink_rcv_skb+0x130/0x360 [ 8310.518637][ T7704] netlink_unicast+0x449/0x710 [ 8310.518637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8310.518637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8310.518637][ T7704] ___sys_sendmsg+0xee/0x170 [ 8310.518637][ T7704] __sys_sendmsg+0xcd/0x170 [ 8310.518637][ T7704] do_syscall_64+0xc6/0x1e0 [ 8310.518637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.518637][ T7704] [ 8310.520370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8310.520370][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8310.520370][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8310.520370][ T7704] ipv6_find_idev+0x102/0x170 [ 8310.520370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.520370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.520370][ T7704] netlink_rcv_skb+0x130/0x360 [ 8310.520370][ T7704] netlink_unicast+0x449/0x710 [ 8310.520370][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8310.520370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8310.520370][ T7704] ___sys_sendmsg+0xee/0x170 [ 8310.520370][ T7704] __sys_sendmsg+0xcd/0x170 [ 8310.520370][ T7704] do_syscall_64+0xc6/0x1e0 [ 8310.520370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.520370][ T7704] [ 8320.759000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8320.759513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8320.759513][ T7704] netdev_get_by_index+0x5e/0x80 [ 8320.759513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8320.759513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8320.759513][ T7704] ip6_route_add+0x1c/0x140 [ 8320.759513][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8320.759513][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8320.759513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.759513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.759513][ T7704] netlink_rcv_skb+0x130/0x360 [ 8320.759513][ T7704] netlink_unicast+0x449/0x710 [ 8320.759513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8320.759513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8320.759513][ T7704] ___sys_sendmsg+0xee/0x170 [ 8320.759513][ T7704] __sys_sendmsg+0xcd/0x170 [ 8320.759513][ T7704] do_syscall_64+0xc6/0x1e0 [ 8320.759513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.759513][ T7704] [ 8320.762149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8320.762149][ T7704] netdev_get_by_index+0x5e/0x80 [ 8320.762149][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8320.762149][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8320.762149][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8320.762149][ T7704] ipv6_add_addr+0x411/0x2000 [ 8320.762149][ T7704] inet6_addr_add+0x30e/0xa40 [ 8320.762149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.762149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.762149][ T7704] netlink_rcv_skb+0x130/0x360 [ 8320.762149][ T7704] netlink_unicast+0x449/0x710 [ 8320.762149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8320.762149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8320.762149][ T7704] ___sys_sendmsg+0xee/0x170 [ 8320.762149][ T7704] __sys_sendmsg+0xcd/0x170 [ 8320.762149][ T7704] do_syscall_64+0xc6/0x1e0 [ 8320.762149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.762149][ T7704] [ 8320.764364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8320.764364][ T7704] netdev_get_by_index+0x5e/0x80 [ 8320.764364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8320.764364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8320.764364][ T7704] ip6_route_add+0x1c/0x140 [ 8320.764364][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8320.764364][ T7704] addrconf_add_dev+0xe2/0x170 [ 8320.764364][ T7704] inet6_addr_add+0x12f/0xa40 [ 8320.764364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.764364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.764364][ T7704] netlink_rcv_skb+0x130/0x360 [ 8320.764364][ T7704] netlink_unicast+0x449/0x710 [ 8320.764364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8320.764364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8320.764364][ T7704] ___sys_sendmsg+0xee/0x170 [ 8320.764364][ T7704] __sys_sendmsg+0xcd/0x170 [ 8320.764364][ T7704] do_syscall_64+0xc6/0x1e0 [ 8320.764364][ T7704] [ 8320.766546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8320.766546][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8320.766546][ T7704] ipv6_find_idev+0x102/0x170 [ 8320.766546][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.766546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.766546][ T7704] netlink_rcv_skb+0x130/0x360 [ 8320.766546][ T7704] netlink_unicast+0x449/0x710 [ 8320.766546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8320.766546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8320.766546][ T7704] ___sys_sendmsg+0xee/0x170 [ 8320.766546][ T7704] __sys_sendmsg+0xcd/0x170 [ 8320.766546][ T7704] do_syscall_64+0xc6/0x1e0 [ 8320.766546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.766546][ T7704] [ 8320.768263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8320.768263][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8320.768263][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8320.768263][ T7704] ipv6_find_idev+0x102/0x170 [ 8320.768263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.768263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.768263][ T7704] netlink_rcv_skb+0x130/0x360 [ 8320.768263][ T7704] netlink_unicast+0x449/0x710 [ 8320.768263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8320.768263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8320.768263][ T7704] ___sys_sendmsg+0xee/0x170 [ 8320.768263][ T7704] __sys_sendmsg+0xcd/0x170 [ 8320.768263][ T7704] do_syscall_64+0xc6/0x1e0 [ 8320.768263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.768263][ T7704] [ 8330.950861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8330.951315][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8330.951315][ T7704] netdev_get_by_index+0x5e/0x80 [ 8330.951315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8330.951315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8330.951315][ T7704] ip6_route_add+0x1c/0x140 [ 8330.951315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8330.951315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8330.951315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.951315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.951315][ T7704] netlink_rcv_skb+0x130/0x360 [ 8330.951315][ T7704] netlink_unicast+0x449/0x710 [ 8330.951315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8330.951315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8330.951315][ T7704] ___sys_sendmsg+0xee/0x170 [ 8330.951315][ T7704] __sys_sendmsg+0xcd/0x170 [ 8330.951315][ T7704] do_syscall_64+0xc6/0x1e0 [ 8330.951315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.951315][ T7704] [ 8330.953583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8330.953583][ T7704] netdev_get_by_index+0x5e/0x80 [ 8330.953583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8330.953583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8330.953583][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8330.953583][ T7704] ipv6_add_addr+0x411/0x2000 [ 8330.953583][ T7704] inet6_addr_add+0x30e/0xa40 [ 8330.953583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.953583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.953583][ T7704] netlink_rcv_skb+0x130/0x360 [ 8330.953583][ T7704] netlink_unicast+0x449/0x710 [ 8330.953583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8330.953583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8330.953583][ T7704] ___sys_sendmsg+0xee/0x170 [ 8330.953583][ T7704] __sys_sendmsg+0xcd/0x170 [ 8330.953583][ T7704] do_syscall_64+0xc6/0x1e0 [ 8330.953583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.953583][ T7704] [ 8330.955815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8330.955815][ T7704] netdev_get_by_index+0x5e/0x80 [ 8330.955815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8330.955815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8330.955815][ T7704] ip6_route_add+0x1c/0x140 [ 8330.955815][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8330.955815][ T7704] addrconf_add_dev+0xe2/0x170 [ 8330.955815][ T7704] inet6_addr_add+0x12f/0xa40 [ 8330.955815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.955815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.955815][ T7704] netlink_rcv_skb+0x130/0x360 [ 8330.955815][ T7704] netlink_unicast+0x449/0x710 [ 8330.955815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8330.955815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8330.955815][ T7704] ___sys_sendmsg+0xee/0x170 [ 8330.955815][ T7704] __sys_sendmsg+0xcd/0x170 [ 8330.955815][ T7704] do_syscall_64+0xc6/0x1e0 [ 8330.955815][ T7704] [ 8330.958003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8330.958003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8330.958003][ T7704] ipv6_find_idev+0x102/0x170 [ 8330.958003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.958003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.958003][ T7704] netlink_rcv_skb+0x130/0x360 [ 8330.958003][ T7704] netlink_unicast+0x449/0x710 [ 8330.958003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8330.958003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8330.958003][ T7704] ___sys_sendmsg+0xee/0x170 [ 8330.958003][ T7704] __sys_sendmsg+0xcd/0x170 [ 8330.958003][ T7704] do_syscall_64+0xc6/0x1e0 [ 8330.958003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.958003][ T7704] [ 8330.959717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8330.959717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8330.959717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8330.959717][ T7704] ipv6_find_idev+0x102/0x170 [ 8330.959717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.959717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.959717][ T7704] netlink_rcv_skb+0x130/0x360 [ 8330.959717][ T7704] netlink_unicast+0x449/0x710 [ 8330.959717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8330.959717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8330.959717][ T7704] ___sys_sendmsg+0xee/0x170 [ 8330.959717][ T7704] __sys_sendmsg+0xcd/0x170 [ 8330.959717][ T7704] do_syscall_64+0xc6/0x1e0 [ 8330.959717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.959717][ T7704] [ 8341.198880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8341.199399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8341.199399][ T7704] netdev_get_by_index+0x5e/0x80 [ 8341.199399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8341.199399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8341.199399][ T7704] ip6_route_add+0x1c/0x140 [ 8341.199399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8341.199399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8341.199399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8341.199399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8341.199399][ T7704] netlink_rcv_skb+0x130/0x360 [ 8341.199399][ T7704] netlink_unicast+0x449/0x710 [ 8341.199399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8341.199399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8341.199399][ T7704] ___sys_sendmsg+0xee/0x170 [ 8341.199399][ T7704] __sys_sendmsg+0xcd/0x170 [ 8341.199399][ T7704] do_syscall_64+0xc6/0x1e0 [ 8341.199399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8341.199399][ T7704] [ 8341.202201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8341.202201][ T7704] netdev_get_by_index+0x5e/0x80 [ 8341.202201][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8341.202201][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8341.202201][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8341.202201][ T7704] ipv6_add_addr+0x411/0x2000 [ 8341.202201][ T7704] inet6_addr_add+0x30e/0xa40 [ 8341.202201][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8341.202201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8341.202201][ T7704] netlink_rcv_skb+0x130/0x360 [ 8341.202201][ T7704] netlink_unicast+0x449/0x710 [ 8341.202201][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8341.202201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8341.202201][ T7704] ___sys_sendmsg+0xee/0x170 [ 8341.202201][ T7704] __sys_sendmsg+0xcd/0x170 [ 8341.202201][ T7704] do_syscall_64+0xc6/0x1e0 [ 8341.202201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8341.202201][ T7704] [ 8341.204465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8341.204465][ T7704] netdev_get_by_index+0x5e/0x80 [ 8341.204465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8341.204465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8341.204465][ T7704] ip6_route_add+0x1c/0x140 [ 8341.204465][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8341.204465][ T7704] addrconf_add_dev+0xe2/0x170 [ 8341.204465][ T7704] inet6_addr_add+0x12f/0xa40 [ 8341.204465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8341.204465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8341.204465][ T7704] netlink_rcv_skb+0x130/0x360 [ 8341.204465][ T7704] netlink_unicast+0x449/0x710 [ 8341.204465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8341.204465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8341.204465][ T7704] ___sys_sendmsg+0xee/0x170 [ 8341.204465][ T7704] __sys_sendmsg+0xcd/0x170 [ 8341.204465][ T7704] do_syscall_64+0xc6/0x1e0 [ 8341.204465][ T7704] [ 8341.206667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8341.206667][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8341.206667][ T7704] ipv6_find_idev+0x102/0x170 [ 8341.206667][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8341.206667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8341.206667][ T7704] netlink_rcv_skb+0x130/0x360 [ 8341.206667][ T7704] netlink_unicast+0x449/0x710 [ 8341.206667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8341.206667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8341.206667][ T7704] ___sys_sendmsg+0xee/0x170 [ 8341.206667][ T7704] __sys_sendmsg+0xcd/0x170 [ 8341.206667][ T7704] do_syscall_64+0xc6/0x1e0 [ 8341.206667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8341.206667][ T7704] [ 8341.208395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8341.208395][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8341.208395][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8341.208395][ T7704] ipv6_find_idev+0x102/0x170 [ 8341.208395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8341.208395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8341.208395][ T7704] netlink_rcv_skb+0x130/0x360 [ 8341.208395][ T7704] netlink_unicast+0x449/0x710 [ 8341.208395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8341.208395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8341.208395][ T7704] ___sys_sendmsg+0xee/0x170 [ 8341.208395][ T7704] __sys_sendmsg+0xcd/0x170 [ 8341.208395][ T7704] do_syscall_64+0xc6/0x1e0 [ 8341.208395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8341.208395][ T7704] [ 8351.446935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8351.447433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8351.447433][ T7704] netdev_get_by_index+0x5e/0x80 [ 8351.447433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8351.447433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8351.447433][ T7704] ip6_route_add+0x1c/0x140 [ 8351.447433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8351.447433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8351.447433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.447433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.447433][ T7704] netlink_rcv_skb+0x130/0x360 [ 8351.447433][ T7704] netlink_unicast+0x449/0x710 [ 8351.447433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8351.447433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8351.447433][ T7704] ___sys_sendmsg+0xee/0x170 [ 8351.447433][ T7704] __sys_sendmsg+0xcd/0x170 [ 8351.447433][ T7704] do_syscall_64+0xc6/0x1e0 [ 8351.447433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.447433][ T7704] [ 8351.449683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8351.449683][ T7704] netdev_get_by_index+0x5e/0x80 [ 8351.449683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8351.449683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8351.449683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8351.449683][ T7704] ipv6_add_addr+0x411/0x2000 [ 8351.449683][ T7704] inet6_addr_add+0x30e/0xa40 [ 8351.449683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.449683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.449683][ T7704] netlink_rcv_skb+0x130/0x360 [ 8351.449683][ T7704] netlink_unicast+0x449/0x710 [ 8351.449683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8351.449683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8351.449683][ T7704] ___sys_sendmsg+0xee/0x170 [ 8351.449683][ T7704] __sys_sendmsg+0xcd/0x170 [ 8351.449683][ T7704] do_syscall_64+0xc6/0x1e0 [ 8351.449683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.449683][ T7704] [ 8351.451918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8351.451918][ T7704] netdev_get_by_index+0x5e/0x80 [ 8351.451918][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8351.451918][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8351.451918][ T7704] ip6_route_add+0x1c/0x140 [ 8351.451918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8351.451918][ T7704] addrconf_add_dev+0xe2/0x170 [ 8351.451918][ T7704] inet6_addr_add+0x12f/0xa40 [ 8351.451918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.451918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.451918][ T7704] netlink_rcv_skb+0x130/0x360 [ 8351.451918][ T7704] netlink_unicast+0x449/0x710 [ 8351.451918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8351.451918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8351.451918][ T7704] ___sys_sendmsg+0xee/0x170 [ 8351.451918][ T7704] __sys_sendmsg+0xcd/0x170 [ 8351.451918][ T7704] do_syscall_64+0xc6/0x1e0 [ 8351.451918][ T7704] [ 8351.454499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8351.454499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8351.454499][ T7704] ipv6_find_idev+0x102/0x170 [ 8351.454499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.454499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.454499][ T7704] netlink_rcv_skb+0x130/0x360 [ 8351.454499][ T7704] netlink_unicast+0x449/0x710 [ 8351.454499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8351.454499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8351.454499][ T7704] ___sys_sendmsg+0xee/0x170 [ 8351.454499][ T7704] __sys_sendmsg+0xcd/0x170 [ 8351.454499][ T7704] do_syscall_64+0xc6/0x1e0 [ 8351.454499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.454499][ T7704] [ 8351.456208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8351.456208][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8351.456208][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8351.456208][ T7704] ipv6_find_idev+0x102/0x170 [ 8351.456208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.456208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.456208][ T7704] netlink_rcv_skb+0x130/0x360 [ 8351.456208][ T7704] netlink_unicast+0x449/0x710 [ 8351.456208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8351.456208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8351.456208][ T7704] ___sys_sendmsg+0xee/0x170 [ 8351.456208][ T7704] __sys_sendmsg+0xcd/0x170 [ 8351.456208][ T7704] do_syscall_64+0xc6/0x1e0 [ 8351.456208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.456208][ T7704] [ 8361.694958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8361.695484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8361.695484][ T7704] netdev_get_by_index+0x5e/0x80 [ 8361.695484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8361.695484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8361.695484][ T7704] ip6_route_add+0x1c/0x140 [ 8361.695484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8361.695484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8361.695484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.695484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.695484][ T7704] netlink_rcv_skb+0x130/0x360 [ 8361.695484][ T7704] netlink_unicast+0x449/0x710 [ 8361.695484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8361.695484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8361.695484][ T7704] ___sys_sendmsg+0xee/0x170 [ 8361.695484][ T7704] __sys_sendmsg+0xcd/0x170 [ 8361.695484][ T7704] do_syscall_64+0xc6/0x1e0 [ 8361.695484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.695484][ T7704] [ 8361.697737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8361.697737][ T7704] netdev_get_by_index+0x5e/0x80 [ 8361.697737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8361.697737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8361.697737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8361.697737][ T7704] ipv6_add_addr+0x411/0x2000 [ 8361.697737][ T7704] inet6_addr_add+0x30e/0xa40 [ 8361.697737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.697737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.697737][ T7704] netlink_rcv_skb+0x130/0x360 [ 8361.697737][ T7704] netlink_unicast+0x449/0x710 [ 8361.697737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8361.697737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8361.697737][ T7704] ___sys_sendmsg+0xee/0x170 [ 8361.697737][ T7704] __sys_sendmsg+0xcd/0x170 [ 8361.697737][ T7704] do_syscall_64+0xc6/0x1e0 [ 8361.697737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.697737][ T7704] [ 8361.699958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8361.699958][ T7704] netdev_get_by_index+0x5e/0x80 [ 8361.699958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8361.699958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8361.699958][ T7704] ip6_route_add+0x1c/0x140 [ 8361.699958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8361.699958][ T7704] addrconf_add_dev+0xe2/0x170 [ 8361.699958][ T7704] inet6_addr_add+0x12f/0xa40 [ 8361.699958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.699958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.699958][ T7704] netlink_rcv_skb+0x130/0x360 [ 8361.699958][ T7704] netlink_unicast+0x449/0x710 [ 8361.699958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8361.699958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8361.699958][ T7704] ___sys_sendmsg+0xee/0x170 [ 8361.699958][ T7704] __sys_sendmsg+0xcd/0x170 [ 8361.699958][ T7704] do_syscall_64+0xc6/0x1e0 [ 8361.699958][ T7704] [ 8361.702161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8361.702161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8361.702161][ T7704] ipv6_find_idev+0x102/0x170 [ 8361.702161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.702161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.702161][ T7704] netlink_rcv_skb+0x130/0x360 [ 8361.702161][ T7704] netlink_unicast+0x449/0x710 [ 8361.702161][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8361.702161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8361.702161][ T7704] ___sys_sendmsg+0xee/0x170 [ 8361.702161][ T7704] __sys_sendmsg+0xcd/0x170 [ 8361.702161][ T7704] do_syscall_64+0xc6/0x1e0 [ 8361.702161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.702161][ T7704] [ 8361.703874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8361.703874][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8361.703874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8361.703874][ T7704] ipv6_find_idev+0x102/0x170 [ 8361.703874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.703874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.703874][ T7704] netlink_rcv_skb+0x130/0x360 [ 8361.703874][ T7704] netlink_unicast+0x449/0x710 [ 8361.703874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8361.703874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8361.703874][ T7704] ___sys_sendmsg+0xee/0x170 [ 8361.703874][ T7704] __sys_sendmsg+0xcd/0x170 [ 8361.703874][ T7704] do_syscall_64+0xc6/0x1e0 [ 8361.703874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.703874][ T7704] [ 8371.942929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8371.943439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8371.943439][ T7704] netdev_get_by_index+0x5e/0x80 [ 8371.943439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8371.943439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8371.943439][ T7704] ip6_route_add+0x1c/0x140 [ 8371.943439][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8371.943439][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8371.943439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.943439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.943439][ T7704] netlink_rcv_skb+0x130/0x360 [ 8371.943439][ T7704] netlink_unicast+0x449/0x710 [ 8371.943439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8371.943439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8371.943439][ T7704] ___sys_sendmsg+0xee/0x170 [ 8371.943439][ T7704] __sys_sendmsg+0xcd/0x170 [ 8371.943439][ T7704] do_syscall_64+0xc6/0x1e0 [ 8371.943439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.943439][ T7704] [ 8371.945699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8371.945699][ T7704] netdev_get_by_index+0x5e/0x80 [ 8371.945699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8371.945699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8371.945699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8371.945699][ T7704] ipv6_add_addr+0x411/0x2000 [ 8371.945699][ T7704] inet6_addr_add+0x30e/0xa40 [ 8371.945699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.945699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.945699][ T7704] netlink_rcv_skb+0x130/0x360 [ 8371.945699][ T7704] netlink_unicast+0x449/0x710 [ 8371.945699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8371.945699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8371.945699][ T7704] ___sys_sendmsg+0xee/0x170 [ 8371.945699][ T7704] __sys_sendmsg+0xcd/0x170 [ 8371.945699][ T7704] do_syscall_64+0xc6/0x1e0 [ 8371.945699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.945699][ T7704] [ 8371.947926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8371.947926][ T7704] netdev_get_by_index+0x5e/0x80 [ 8371.947926][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8371.947926][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8371.947926][ T7704] ip6_route_add+0x1c/0x140 [ 8371.947926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8371.947926][ T7704] addrconf_add_dev+0xe2/0x170 [ 8371.947926][ T7704] inet6_addr_add+0x12f/0xa40 [ 8371.947926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.947926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.947926][ T7704] netlink_rcv_skb+0x130/0x360 [ 8371.947926][ T7704] netlink_unicast+0x449/0x710 [ 8371.947926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8371.947926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8371.947926][ T7704] ___sys_sendmsg+0xee/0x170 [ 8371.947926][ T7704] __sys_sendmsg+0xcd/0x170 [ 8371.947926][ T7704] do_syscall_64+0xc6/0x1e0 [ 8371.947926][ T7704] [ 8371.950106][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8371.950106][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8371.950106][ T7704] ipv6_find_idev+0x102/0x170 [ 8371.950106][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.950106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.950106][ T7704] netlink_rcv_skb+0x130/0x360 [ 8371.950106][ T7704] netlink_unicast+0x449/0x710 [ 8371.950106][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8371.950106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8371.950106][ T7704] ___sys_sendmsg+0xee/0x170 [ 8371.950106][ T7704] __sys_sendmsg+0xcd/0x170 [ 8371.950106][ T7704] do_syscall_64+0xc6/0x1e0 [ 8371.950106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.950106][ T7704] [ 8371.951818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8371.951818][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8371.951818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8371.951818][ T7704] ipv6_find_idev+0x102/0x170 [ 8371.951818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.951818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.951818][ T7704] netlink_rcv_skb+0x130/0x360 [ 8371.951818][ T7704] netlink_unicast+0x449/0x710 [ 8371.951818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8371.951818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8371.951818][ T7704] ___sys_sendmsg+0xee/0x170 [ 8371.951818][ T7704] __sys_sendmsg+0xcd/0x170 [ 8371.951818][ T7704] do_syscall_64+0xc6/0x1e0 [ 8371.951818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.951818][ T7704] [ 8382.190852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8382.191313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8382.191313][ T7704] netdev_get_by_index+0x5e/0x80 [ 8382.191313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8382.191313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8382.191313][ T7704] ip6_route_add+0x1c/0x140 [ 8382.191313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8382.191313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8382.191313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.191313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.191313][ T7704] netlink_rcv_skb+0x130/0x360 [ 8382.191313][ T7704] netlink_unicast+0x449/0x710 [ 8382.191313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8382.191313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8382.191313][ T7704] ___sys_sendmsg+0xee/0x170 [ 8382.191313][ T7704] __sys_sendmsg+0xcd/0x170 [ 8382.191313][ T7704] do_syscall_64+0xc6/0x1e0 [ 8382.191313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.191313][ T7704] [ 8382.193684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8382.193684][ T7704] netdev_get_by_index+0x5e/0x80 [ 8382.193684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8382.193684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8382.193684][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8382.193684][ T7704] ipv6_add_addr+0x411/0x2000 [ 8382.193684][ T7704] inet6_addr_add+0x30e/0xa40 [ 8382.193684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.193684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.193684][ T7704] netlink_rcv_skb+0x130/0x360 [ 8382.193684][ T7704] netlink_unicast+0x449/0x710 [ 8382.193684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8382.193684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8382.193684][ T7704] ___sys_sendmsg+0xee/0x170 [ 8382.193684][ T7704] __sys_sendmsg+0xcd/0x170 [ 8382.193684][ T7704] do_syscall_64+0xc6/0x1e0 [ 8382.193684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.193684][ T7704] [ 8382.195918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8382.195918][ T7704] netdev_get_by_index+0x5e/0x80 [ 8382.195918][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8382.195918][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8382.195918][ T7704] ip6_route_add+0x1c/0x140 [ 8382.195918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8382.195918][ T7704] addrconf_add_dev+0xe2/0x170 [ 8382.195918][ T7704] inet6_addr_add+0x12f/0xa40 [ 8382.195918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.195918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.195918][ T7704] netlink_rcv_skb+0x130/0x360 [ 8382.195918][ T7704] netlink_unicast+0x449/0x710 [ 8382.195918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8382.195918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8382.195918][ T7704] ___sys_sendmsg+0xee/0x170 [ 8382.195918][ T7704] __sys_sendmsg+0xcd/0x170 [ 8382.195918][ T7704] do_syscall_64+0xc6/0x1e0 [ 8382.195918][ T7704] [ 8382.198105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8382.198105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8382.198105][ T7704] ipv6_find_idev+0x102/0x170 [ 8382.198105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.198105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.198105][ T7704] netlink_rcv_skb+0x130/0x360 [ 8382.198105][ T7704] netlink_unicast+0x449/0x710 [ 8382.198105][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8382.198105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8382.198105][ T7704] ___sys_sendmsg+0xee/0x170 [ 8382.198105][ T7704] __sys_sendmsg+0xcd/0x170 [ 8382.198105][ T7704] do_syscall_64+0xc6/0x1e0 [ 8382.198105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.198105][ T7704] [ 8382.199822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8382.199822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8382.199822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8382.199822][ T7704] ipv6_find_idev+0x102/0x170 [ 8382.199822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.199822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.199822][ T7704] netlink_rcv_skb+0x130/0x360 [ 8382.199822][ T7704] netlink_unicast+0x449/0x710 [ 8382.199822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8382.199822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8382.199822][ T7704] ___sys_sendmsg+0xee/0x170 [ 8382.199822][ T7704] __sys_sendmsg+0xcd/0x170 [ 8382.199822][ T7704] do_syscall_64+0xc6/0x1e0 [ 8382.199822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.199822][ T7704] [ 8392.438935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8392.439473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8392.439473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8392.439473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8392.439473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8392.439473][ T7704] ip6_route_add+0x1c/0x140 [ 8392.439473][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8392.439473][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8392.439473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.439473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.439473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8392.439473][ T7704] netlink_unicast+0x449/0x710 [ 8392.439473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8392.439473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8392.439473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8392.439473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8392.439473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8392.439473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.439473][ T7704] [ 8392.441738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8392.441738][ T7704] netdev_get_by_index+0x5e/0x80 [ 8392.441738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8392.441738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8392.441738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8392.441738][ T7704] ipv6_add_addr+0x411/0x2000 [ 8392.441738][ T7704] inet6_addr_add+0x30e/0xa40 [ 8392.441738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.441738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.441738][ T7704] netlink_rcv_skb+0x130/0x360 [ 8392.441738][ T7704] netlink_unicast+0x449/0x710 [ 8392.441738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8392.441738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8392.441738][ T7704] ___sys_sendmsg+0xee/0x170 [ 8392.441738][ T7704] __sys_sendmsg+0xcd/0x170 [ 8392.441738][ T7704] do_syscall_64+0xc6/0x1e0 [ 8392.441738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.441738][ T7704] [ 8392.443960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8392.443960][ T7704] netdev_get_by_index+0x5e/0x80 [ 8392.443960][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8392.443960][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8392.443960][ T7704] ip6_route_add+0x1c/0x140 [ 8392.443960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8392.443960][ T7704] addrconf_add_dev+0xe2/0x170 [ 8392.443960][ T7704] inet6_addr_add+0x12f/0xa40 [ 8392.443960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.443960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.443960][ T7704] netlink_rcv_skb+0x130/0x360 [ 8392.443960][ T7704] netlink_unicast+0x449/0x710 [ 8392.443960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8392.443960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8392.443960][ T7704] ___sys_sendmsg+0xee/0x170 [ 8392.443960][ T7704] __sys_sendmsg+0xcd/0x170 [ 8392.443960][ T7704] do_syscall_64+0xc6/0x1e0 [ 8392.443960][ T7704] [ 8392.446148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8392.446148][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8392.446148][ T7704] ipv6_find_idev+0x102/0x170 [ 8392.446148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.446148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.446148][ T7704] netlink_rcv_skb+0x130/0x360 [ 8392.446148][ T7704] netlink_unicast+0x449/0x710 [ 8392.446148][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8392.446148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8392.446148][ T7704] ___sys_sendmsg+0xee/0x170 [ 8392.446148][ T7704] __sys_sendmsg+0xcd/0x170 [ 8392.446148][ T7704] do_syscall_64+0xc6/0x1e0 [ 8392.446148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.446148][ T7704] [ 8392.447864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8392.447864][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8392.447864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8392.447864][ T7704] ipv6_find_idev+0x102/0x170 [ 8392.447864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.447864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.447864][ T7704] netlink_rcv_skb+0x130/0x360 [ 8392.447864][ T7704] netlink_unicast+0x449/0x710 [ 8392.447864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8392.447864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8392.447864][ T7704] ___sys_sendmsg+0xee/0x170 [ 8392.447864][ T7704] __sys_sendmsg+0xcd/0x170 [ 8392.447864][ T7704] do_syscall_64+0xc6/0x1e0 [ 8392.447864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.447864][ T7704] [ 8402.502942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8402.503450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8402.503450][ T7704] netdev_get_by_index+0x5e/0x80 [ 8402.503450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8402.503450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8402.503450][ T7704] ip6_route_add+0x1c/0x140 [ 8402.503450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8402.503450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8402.503450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.503450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.503450][ T7704] netlink_rcv_skb+0x130/0x360 [ 8402.503450][ T7704] netlink_unicast+0x449/0x710 [ 8402.503450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8402.503450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8402.503450][ T7704] ___sys_sendmsg+0xee/0x170 [ 8402.503450][ T7704] __sys_sendmsg+0xcd/0x170 [ 8402.503450][ T7704] do_syscall_64+0xc6/0x1e0 [ 8402.503450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.503450][ T7704] [ 8402.505724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8402.505724][ T7704] netdev_get_by_index+0x5e/0x80 [ 8402.505724][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8402.505724][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8402.505724][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8402.505724][ T7704] ipv6_add_addr+0x411/0x2000 [ 8402.505724][ T7704] inet6_addr_add+0x30e/0xa40 [ 8402.505724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.505724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.505724][ T7704] netlink_rcv_skb+0x130/0x360 [ 8402.505724][ T7704] netlink_unicast+0x449/0x710 [ 8402.505724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8402.505724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8402.505724][ T7704] ___sys_sendmsg+0xee/0x170 [ 8402.505724][ T7704] __sys_sendmsg+0xcd/0x170 [ 8402.505724][ T7704] do_syscall_64+0xc6/0x1e0 [ 8402.505724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.505724][ T7704] [ 8402.507949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8402.507949][ T7704] netdev_get_by_index+0x5e/0x80 [ 8402.507949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8402.507949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8402.507949][ T7704] ip6_route_add+0x1c/0x140 [ 8402.507949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8402.507949][ T7704] addrconf_add_dev+0xe2/0x170 [ 8402.507949][ T7704] inet6_addr_add+0x12f/0xa40 [ 8402.507949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.507949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.507949][ T7704] netlink_rcv_skb+0x130/0x360 [ 8402.507949][ T7704] netlink_unicast+0x449/0x710 [ 8402.507949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8402.507949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8402.507949][ T7704] ___sys_sendmsg+0xee/0x170 [ 8402.507949][ T7704] __sys_sendmsg+0xcd/0x170 [ 8402.507949][ T7704] do_syscall_64+0xc6/0x1e0 [ 8402.507949][ T7704] [ 8402.510134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8402.510134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8402.510134][ T7704] ipv6_find_idev+0x102/0x170 [ 8402.510134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.510134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.510134][ T7704] netlink_rcv_skb+0x130/0x360 [ 8402.510134][ T7704] netlink_unicast+0x449/0x710 [ 8402.510134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8402.510134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8402.510134][ T7704] ___sys_sendmsg+0xee/0x170 [ 8402.510134][ T7704] __sys_sendmsg+0xcd/0x170 [ 8402.510134][ T7704] do_syscall_64+0xc6/0x1e0 [ 8402.510134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.510134][ T7704] [ 8402.511860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8402.511860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8402.511860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8402.511860][ T7704] ipv6_find_idev+0x102/0x170 [ 8402.511860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.511860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.511860][ T7704] netlink_rcv_skb+0x130/0x360 [ 8402.511860][ T7704] netlink_unicast+0x449/0x710 [ 8402.511860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8402.511860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8402.511860][ T7704] ___sys_sendmsg+0xee/0x170 [ 8402.511860][ T7704] __sys_sendmsg+0xcd/0x170 [ 8402.511860][ T7704] do_syscall_64+0xc6/0x1e0 [ 8402.511860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.511860][ T7704] [ 8412.590897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8412.591349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8412.591349][ T7704] netdev_get_by_index+0x5e/0x80 [ 8412.591349][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8412.591349][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8412.591349][ T7704] ip6_route_add+0x1c/0x140 [ 8412.591349][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8412.591349][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8412.591349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.591349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.591349][ T7704] netlink_rcv_skb+0x130/0x360 [ 8412.591349][ T7704] netlink_unicast+0x449/0x710 [ 8412.591349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8412.591349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8412.591349][ T7704] ___sys_sendmsg+0xee/0x170 [ 8412.591349][ T7704] __sys_sendmsg+0xcd/0x170 [ 8412.591349][ T7704] do_syscall_64+0xc6/0x1e0 [ 8412.591349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.591349][ T7704] [ 8412.593585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8412.593585][ T7704] netdev_get_by_index+0x5e/0x80 [ 8412.593585][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8412.593585][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8412.593585][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8412.593585][ T7704] ipv6_add_addr+0x411/0x2000 [ 8412.593585][ T7704] inet6_addr_add+0x30e/0xa40 [ 8412.593585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.593585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.593585][ T7704] netlink_rcv_skb+0x130/0x360 [ 8412.593585][ T7704] netlink_unicast+0x449/0x710 [ 8412.593585][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8412.593585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8412.593585][ T7704] ___sys_sendmsg+0xee/0x170 [ 8412.593585][ T7704] __sys_sendmsg+0xcd/0x170 [ 8412.593585][ T7704] do_syscall_64+0xc6/0x1e0 [ 8412.593585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.593585][ T7704] [ 8412.595851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8412.595851][ T7704] netdev_get_by_index+0x5e/0x80 [ 8412.595851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8412.595851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8412.595851][ T7704] ip6_route_add+0x1c/0x140 [ 8412.595851][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8412.595851][ T7704] addrconf_add_dev+0xe2/0x170 [ 8412.595851][ T7704] inet6_addr_add+0x12f/0xa40 [ 8412.595851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.595851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.595851][ T7704] netlink_rcv_skb+0x130/0x360 [ 8412.595851][ T7704] netlink_unicast+0x449/0x710 [ 8412.595851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8412.595851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8412.595851][ T7704] ___sys_sendmsg+0xee/0x170 [ 8412.595851][ T7704] __sys_sendmsg+0xcd/0x170 [ 8412.595851][ T7704] do_syscall_64+0xc6/0x1e0 [ 8412.595851][ T7704] [ 8412.598062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8412.598062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8412.598062][ T7704] ipv6_find_idev+0x102/0x170 [ 8412.598062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.598062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.598062][ T7704] netlink_rcv_skb+0x130/0x360 [ 8412.598062][ T7704] netlink_unicast+0x449/0x710 [ 8412.598062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8412.598062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8412.598062][ T7704] ___sys_sendmsg+0xee/0x170 [ 8412.598062][ T7704] __sys_sendmsg+0xcd/0x170 [ 8412.598062][ T7704] do_syscall_64+0xc6/0x1e0 [ 8412.598062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.598062][ T7704] [ 8412.599786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8412.599786][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8412.599786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8412.599786][ T7704] ipv6_find_idev+0x102/0x170 [ 8412.599786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.599786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.599786][ T7704] netlink_rcv_skb+0x130/0x360 [ 8412.599786][ T7704] netlink_unicast+0x449/0x710 [ 8412.599786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8412.599786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8412.599786][ T7704] ___sys_sendmsg+0xee/0x170 [ 8412.599786][ T7704] __sys_sendmsg+0xcd/0x170 [ 8412.599786][ T7704] do_syscall_64+0xc6/0x1e0 [ 8412.599786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.599786][ T7704] [ 8422.838869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8422.839405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8422.839405][ T7704] netdev_get_by_index+0x5e/0x80 [ 8422.839405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8422.839405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8422.839405][ T7704] ip6_route_add+0x1c/0x140 [ 8422.839405][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8422.839405][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8422.839405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.839405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.839405][ T7704] netlink_rcv_skb+0x130/0x360 [ 8422.839405][ T7704] netlink_unicast+0x449/0x710 [ 8422.839405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8422.839405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8422.839405][ T7704] ___sys_sendmsg+0xee/0x170 [ 8422.839405][ T7704] __sys_sendmsg+0xcd/0x170 [ 8422.839405][ T7704] do_syscall_64+0xc6/0x1e0 [ 8422.839405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.839405][ T7704] [ 8422.841681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8422.841681][ T7704] netdev_get_by_index+0x5e/0x80 [ 8422.841681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8422.841681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8422.841681][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8422.841681][ T7704] ipv6_add_addr+0x411/0x2000 [ 8422.841681][ T7704] inet6_addr_add+0x30e/0xa40 [ 8422.841681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.841681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.841681][ T7704] netlink_rcv_skb+0x130/0x360 [ 8422.841681][ T7704] netlink_unicast+0x449/0x710 [ 8422.841681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8422.841681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8422.841681][ T7704] ___sys_sendmsg+0xee/0x170 [ 8422.841681][ T7704] __sys_sendmsg+0xcd/0x170 [ 8422.841681][ T7704] do_syscall_64+0xc6/0x1e0 [ 8422.841681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.841681][ T7704] [ 8422.843910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8422.843910][ T7704] netdev_get_by_index+0x5e/0x80 [ 8422.843910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8422.843910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8422.843910][ T7704] ip6_route_add+0x1c/0x140 [ 8422.843910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8422.843910][ T7704] addrconf_add_dev+0xe2/0x170 [ 8422.843910][ T7704] inet6_addr_add+0x12f/0xa40 [ 8422.843910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.843910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.843910][ T7704] netlink_rcv_skb+0x130/0x360 [ 8422.843910][ T7704] netlink_unicast+0x449/0x710 [ 8422.843910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8422.843910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8422.843910][ T7704] ___sys_sendmsg+0xee/0x170 [ 8422.843910][ T7704] __sys_sendmsg+0xcd/0x170 [ 8422.843910][ T7704] do_syscall_64+0xc6/0x1e0 [ 8422.843910][ T7704] [ 8422.846107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8422.846107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8422.846107][ T7704] ipv6_find_idev+0x102/0x170 [ 8422.846107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.846107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.846107][ T7704] netlink_rcv_skb+0x130/0x360 [ 8422.846107][ T7704] netlink_unicast+0x449/0x710 [ 8422.846107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8422.846107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8422.846107][ T7704] ___sys_sendmsg+0xee/0x170 [ 8422.846107][ T7704] __sys_sendmsg+0xcd/0x170 [ 8422.846107][ T7704] do_syscall_64+0xc6/0x1e0 [ 8422.846107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.846107][ T7704] [ 8422.847831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8422.847831][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8422.847831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8422.847831][ T7704] ipv6_find_idev+0x102/0x170 [ 8422.847831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.847831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.847831][ T7704] netlink_rcv_skb+0x130/0x360 [ 8422.847831][ T7704] netlink_unicast+0x449/0x710 [ 8422.847831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8422.847831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8422.847831][ T7704] ___sys_sendmsg+0xee/0x170 [ 8422.847831][ T7704] __sys_sendmsg+0xcd/0x170 [ 8422.847831][ T7704] do_syscall_64+0xc6/0x1e0 [ 8422.847831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.847831][ T7704] [ 8433.086866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8433.087385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8433.087385][ T7704] netdev_get_by_index+0x5e/0x80 [ 8433.087385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8433.087385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8433.087385][ T7704] ip6_route_add+0x1c/0x140 [ 8433.087385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8433.087385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8433.087385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.087385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.087385][ T7704] netlink_rcv_skb+0x130/0x360 [ 8433.087385][ T7704] netlink_unicast+0x449/0x710 [ 8433.087385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8433.087385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8433.087385][ T7704] ___sys_sendmsg+0xee/0x170 [ 8433.087385][ T7704] __sys_sendmsg+0xcd/0x170 [ 8433.087385][ T7704] do_syscall_64+0xc6/0x1e0 [ 8433.087385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.087385][ T7704] [ 8433.089649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8433.089649][ T7704] netdev_get_by_index+0x5e/0x80 [ 8433.089649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8433.089649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8433.089649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8433.089649][ T7704] ipv6_add_addr+0x411/0x2000 [ 8433.089649][ T7704] inet6_addr_add+0x30e/0xa40 [ 8433.089649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.089649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.089649][ T7704] netlink_rcv_skb+0x130/0x360 [ 8433.089649][ T7704] netlink_unicast+0x449/0x710 [ 8433.089649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8433.089649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8433.089649][ T7704] ___sys_sendmsg+0xee/0x170 [ 8433.089649][ T7704] __sys_sendmsg+0xcd/0x170 [ 8433.089649][ T7704] do_syscall_64+0xc6/0x1e0 [ 8433.089649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.089649][ T7704] [ 8433.092017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8433.092017][ T7704] netdev_get_by_index+0x5e/0x80 [ 8433.092017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8433.092017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8433.092017][ T7704] ip6_route_add+0x1c/0x140 [ 8433.092017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8433.092017][ T7704] addrconf_add_dev+0xe2/0x170 [ 8433.092017][ T7704] inet6_addr_add+0x12f/0xa40 [ 8433.092017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.092017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.092017][ T7704] netlink_rcv_skb+0x130/0x360 [ 8433.092017][ T7704] netlink_unicast+0x449/0x710 [ 8433.092017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8433.092017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8433.092017][ T7704] ___sys_sendmsg+0xee/0x170 [ 8433.092017][ T7704] __sys_sendmsg+0xcd/0x170 [ 8433.092017][ T7704] do_syscall_64+0xc6/0x1e0 [ 8433.092017][ T7704] [ 8433.094222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8433.094222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8433.094222][ T7704] ipv6_find_idev+0x102/0x170 [ 8433.094222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.094222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.094222][ T7704] netlink_rcv_skb+0x130/0x360 [ 8433.094222][ T7704] netlink_unicast+0x449/0x710 [ 8433.094222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8433.094222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8433.094222][ T7704] ___sys_sendmsg+0xee/0x170 [ 8433.094222][ T7704] __sys_sendmsg+0xcd/0x170 [ 8433.094222][ T7704] do_syscall_64+0xc6/0x1e0 [ 8433.094222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.094222][ T7704] [ 8433.095961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8433.095961][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8433.095961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8433.095961][ T7704] ipv6_find_idev+0x102/0x170 [ 8433.095961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.095961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.095961][ T7704] netlink_rcv_skb+0x130/0x360 [ 8433.095961][ T7704] netlink_unicast+0x449/0x710 [ 8433.095961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8433.095961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8433.095961][ T7704] ___sys_sendmsg+0xee/0x170 [ 8433.095961][ T7704] __sys_sendmsg+0xcd/0x170 [ 8433.095961][ T7704] do_syscall_64+0xc6/0x1e0 [ 8433.095961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.095961][ T7704] [ 8443.334872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8443.335514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8443.335514][ T7704] netdev_get_by_index+0x5e/0x80 [ 8443.335514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8443.335514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8443.335514][ T7704] ip6_route_add+0x1c/0x140 [ 8443.335514][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8443.335514][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8443.335514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.335514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.335514][ T7704] netlink_rcv_skb+0x130/0x360 [ 8443.335514][ T7704] netlink_unicast+0x449/0x710 [ 8443.335514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8443.335514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8443.335514][ T7704] ___sys_sendmsg+0xee/0x170 [ 8443.335514][ T7704] __sys_sendmsg+0xcd/0x170 [ 8443.335514][ T7704] do_syscall_64+0xc6/0x1e0 [ 8443.335514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.335514][ T7704] [ 8443.339192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8443.339192][ T7704] netdev_get_by_index+0x5e/0x80 [ 8443.339192][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8443.339192][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8443.339192][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8443.339192][ T7704] ipv6_add_addr+0x411/0x2000 [ 8443.339192][ T7704] inet6_addr_add+0x30e/0xa40 [ 8443.339192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.339192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.339192][ T7704] netlink_rcv_skb+0x130/0x360 [ 8443.339192][ T7704] netlink_unicast+0x449/0x710 [ 8443.339192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8443.339192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8443.339192][ T7704] ___sys_sendmsg+0xee/0x170 [ 8443.339192][ T7704] __sys_sendmsg+0xcd/0x170 [ 8443.339192][ T7704] do_syscall_64+0xc6/0x1e0 [ 8443.339192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.339192][ T7704] [ 8443.342906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8443.342906][ T7704] netdev_get_by_index+0x5e/0x80 [ 8443.342906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8443.342906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8443.342906][ T7704] ip6_route_add+0x1c/0x140 [ 8443.342906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8443.342906][ T7704] addrconf_add_dev+0xe2/0x170 [ 8443.342906][ T7704] inet6_addr_add+0x12f/0xa40 [ 8443.342906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.342906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.342906][ T7704] netlink_rcv_skb+0x130/0x360 [ 8443.342906][ T7704] netlink_unicast+0x449/0x710 [ 8443.342906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8443.342906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8443.342906][ T7704] ___sys_sendmsg+0xee/0x170 [ 8443.342906][ T7704] __sys_sendmsg+0xcd/0x170 [ 8443.342906][ T7704] do_syscall_64+0xc6/0x1e0 [ 8443.342906][ T7704] [ 8443.346513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8443.346513][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8443.346513][ T7704] ipv6_find_idev+0x102/0x170 [ 8443.346513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.346513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.346513][ T7704] netlink_rcv_skb+0x130/0x360 [ 8443.346513][ T7704] netlink_unicast+0x449/0x710 [ 8443.346513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8443.346513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8443.346513][ T7704] ___sys_sendmsg+0xee/0x170 [ 8443.346513][ T7704] __sys_sendmsg+0xcd/0x170 [ 8443.346513][ T7704] do_syscall_64+0xc6/0x1e0 [ 8443.346513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.346513][ T7704] [ 8443.349350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8443.349350][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8443.349350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8443.349350][ T7704] ipv6_find_idev+0x102/0x170 [ 8443.349350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.349350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.349350][ T7704] netlink_rcv_skb+0x130/0x360 [ 8443.349350][ T7704] netlink_unicast+0x449/0x710 [ 8443.349350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8443.349350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8443.349350][ T7704] ___sys_sendmsg+0xee/0x170 [ 8443.349350][ T7704] __sys_sendmsg+0xcd/0x170 [ 8443.349350][ T7704] do_syscall_64+0xc6/0x1e0 [ 8443.349350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.349350][ T7704] [ 8453.590948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8453.591408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8453.591408][ T7704] netdev_get_by_index+0x5e/0x80 [ 8453.591408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8453.591408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8453.591408][ T7704] ip6_route_add+0x1c/0x140 [ 8453.591408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8453.591408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8453.591408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.591408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.591408][ T7704] netlink_rcv_skb+0x130/0x360 [ 8453.591408][ T7704] netlink_unicast+0x449/0x710 [ 8453.591408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8453.591408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8453.591408][ T7704] ___sys_sendmsg+0xee/0x170 [ 8453.591408][ T7704] __sys_sendmsg+0xcd/0x170 [ 8453.591408][ T7704] do_syscall_64+0xc6/0x1e0 [ 8453.591408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.591408][ T7704] [ 8453.593670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8453.593670][ T7704] netdev_get_by_index+0x5e/0x80 [ 8453.593670][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8453.593670][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8453.593670][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8453.593670][ T7704] ipv6_add_addr+0x411/0x2000 [ 8453.593670][ T7704] inet6_addr_add+0x30e/0xa40 [ 8453.593670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.593670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.593670][ T7704] netlink_rcv_skb+0x130/0x360 [ 8453.593670][ T7704] netlink_unicast+0x449/0x710 [ 8453.593670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8453.593670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8453.593670][ T7704] ___sys_sendmsg+0xee/0x170 [ 8453.593670][ T7704] __sys_sendmsg+0xcd/0x170 [ 8453.593670][ T7704] do_syscall_64+0xc6/0x1e0 [ 8453.593670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.593670][ T7704] [ 8453.595902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8453.595902][ T7704] netdev_get_by_index+0x5e/0x80 [ 8453.595902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8453.595902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8453.595902][ T7704] ip6_route_add+0x1c/0x140 [ 8453.595902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8453.595902][ T7704] addrconf_add_dev+0xe2/0x170 [ 8453.595902][ T7704] inet6_addr_add+0x12f/0xa40 [ 8453.595902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.595902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.595902][ T7704] netlink_rcv_skb+0x130/0x360 [ 8453.595902][ T7704] netlink_unicast+0x449/0x710 [ 8453.595902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8453.595902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8453.595902][ T7704] ___sys_sendmsg+0xee/0x170 [ 8453.595902][ T7704] __sys_sendmsg+0xcd/0x170 [ 8453.595902][ T7704] do_syscall_64+0xc6/0x1e0 [ 8453.595902][ T7704] [ 8453.598095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8453.598095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8453.598095][ T7704] ipv6_find_idev+0x102/0x170 [ 8453.598095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.598095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.598095][ T7704] netlink_rcv_skb+0x130/0x360 [ 8453.598095][ T7704] netlink_unicast+0x449/0x710 [ 8453.598095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8453.598095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8453.598095][ T7704] ___sys_sendmsg+0xee/0x170 [ 8453.598095][ T7704] __sys_sendmsg+0xcd/0x170 [ 8453.598095][ T7704] do_syscall_64+0xc6/0x1e0 [ 8453.598095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.598095][ T7704] [ 8453.599816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8453.599816][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8453.599816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8453.599816][ T7704] ipv6_find_idev+0x102/0x170 [ 8453.599816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.599816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.599816][ T7704] netlink_rcv_skb+0x130/0x360 [ 8453.599816][ T7704] netlink_unicast+0x449/0x710 [ 8453.599816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8453.599816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8453.599816][ T7704] ___sys_sendmsg+0xee/0x170 [ 8453.599816][ T7704] __sys_sendmsg+0xcd/0x170 [ 8453.599816][ T7704] do_syscall_64+0xc6/0x1e0 [ 8453.599816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.599816][ T7704] [ 8463.838863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8463.839316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8463.839316][ T7704] netdev_get_by_index+0x5e/0x80 [ 8463.839316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8463.839316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8463.839316][ T7704] ip6_route_add+0x1c/0x140 [ 8463.839316][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8463.839316][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8463.839316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.839316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.839316][ T7704] netlink_rcv_skb+0x130/0x360 [ 8463.839316][ T7704] netlink_unicast+0x449/0x710 [ 8463.839316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8463.839316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8463.839316][ T7704] ___sys_sendmsg+0xee/0x170 [ 8463.839316][ T7704] __sys_sendmsg+0xcd/0x170 [ 8463.839316][ T7704] do_syscall_64+0xc6/0x1e0 [ 8463.839316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.839316][ T7704] [ 8463.841561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8463.841561][ T7704] netdev_get_by_index+0x5e/0x80 [ 8463.841561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8463.841561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8463.841561][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8463.841561][ T7704] ipv6_add_addr+0x411/0x2000 [ 8463.841561][ T7704] inet6_addr_add+0x30e/0xa40 [ 8463.841561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.841561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.841561][ T7704] netlink_rcv_skb+0x130/0x360 [ 8463.841561][ T7704] netlink_unicast+0x449/0x710 [ 8463.841561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8463.841561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8463.841561][ T7704] ___sys_sendmsg+0xee/0x170 [ 8463.841561][ T7704] __sys_sendmsg+0xcd/0x170 [ 8463.841561][ T7704] do_syscall_64+0xc6/0x1e0 [ 8463.841561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.841561][ T7704] [ 8463.844364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8463.844364][ T7704] netdev_get_by_index+0x5e/0x80 [ 8463.844364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8463.844364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8463.844364][ T7704] ip6_route_add+0x1c/0x140 [ 8463.844364][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8463.844364][ T7704] addrconf_add_dev+0xe2/0x170 [ 8463.844364][ T7704] inet6_addr_add+0x12f/0xa40 [ 8463.844364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.844364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.844364][ T7704] netlink_rcv_skb+0x130/0x360 [ 8463.844364][ T7704] netlink_unicast+0x449/0x710 [ 8463.844364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8463.844364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8463.844364][ T7704] ___sys_sendmsg+0xee/0x170 [ 8463.844364][ T7704] __sys_sendmsg+0xcd/0x170 [ 8463.844364][ T7704] do_syscall_64+0xc6/0x1e0 [ 8463.844364][ T7704] [ 8463.846559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8463.846559][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8463.846559][ T7704] ipv6_find_idev+0x102/0x170 [ 8463.846559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.846559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.846559][ T7704] netlink_rcv_skb+0x130/0x360 [ 8463.846559][ T7704] netlink_unicast+0x449/0x710 [ 8463.846559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8463.846559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8463.846559][ T7704] ___sys_sendmsg+0xee/0x170 [ 8463.846559][ T7704] __sys_sendmsg+0xcd/0x170 [ 8463.846559][ T7704] do_syscall_64+0xc6/0x1e0 [ 8463.846559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.846559][ T7704] [ 8463.848655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8463.848655][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8463.848655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8463.848655][ T7704] ipv6_find_idev+0x102/0x170 [ 8463.848655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.848655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.848655][ T7704] netlink_rcv_skb+0x130/0x360 [ 8463.848655][ T7704] netlink_unicast+0x449/0x710 [ 8463.848655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8463.848655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8463.848655][ T7704] ___sys_sendmsg+0xee/0x170 [ 8463.848655][ T7704] __sys_sendmsg+0xcd/0x170 [ 8463.848655][ T7704] do_syscall_64+0xc6/0x1e0 [ 8463.848655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.848655][ T7704] [ 8474.086935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8474.087399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8474.087399][ T7704] netdev_get_by_index+0x5e/0x80 [ 8474.087399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8474.087399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8474.087399][ T7704] ip6_route_add+0x1c/0x140 [ 8474.087399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8474.087399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8474.087399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.087399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.087399][ T7704] netlink_rcv_skb+0x130/0x360 [ 8474.087399][ T7704] netlink_unicast+0x449/0x710 [ 8474.087399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8474.087399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8474.087399][ T7704] ___sys_sendmsg+0xee/0x170 [ 8474.087399][ T7704] __sys_sendmsg+0xcd/0x170 [ 8474.087399][ T7704] do_syscall_64+0xc6/0x1e0 [ 8474.087399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.087399][ T7704] [ 8474.089677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8474.089677][ T7704] netdev_get_by_index+0x5e/0x80 [ 8474.089677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8474.089677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8474.089677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8474.089677][ T7704] ipv6_add_addr+0x411/0x2000 [ 8474.089677][ T7704] inet6_addr_add+0x30e/0xa40 [ 8474.089677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.089677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.089677][ T7704] netlink_rcv_skb+0x130/0x360 [ 8474.089677][ T7704] netlink_unicast+0x449/0x710 [ 8474.089677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8474.089677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8474.089677][ T7704] ___sys_sendmsg+0xee/0x170 [ 8474.089677][ T7704] __sys_sendmsg+0xcd/0x170 [ 8474.089677][ T7704] do_syscall_64+0xc6/0x1e0 [ 8474.089677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.089677][ T7704] [ 8474.091943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8474.091943][ T7704] netdev_get_by_index+0x5e/0x80 [ 8474.091943][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8474.091943][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8474.091943][ T7704] ip6_route_add+0x1c/0x140 [ 8474.091943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8474.091943][ T7704] addrconf_add_dev+0xe2/0x170 [ 8474.091943][ T7704] inet6_addr_add+0x12f/0xa40 [ 8474.091943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.091943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.091943][ T7704] netlink_rcv_skb+0x130/0x360 [ 8474.091943][ T7704] netlink_unicast+0x449/0x710 [ 8474.091943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8474.091943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8474.091943][ T7704] ___sys_sendmsg+0xee/0x170 [ 8474.091943][ T7704] __sys_sendmsg+0xcd/0x170 [ 8474.091943][ T7704] do_syscall_64+0xc6/0x1e0 [ 8474.091943][ T7704] [ 8474.094163][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8474.094163][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8474.094163][ T7704] ipv6_find_idev+0x102/0x170 [ 8474.094163][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.094163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.094163][ T7704] netlink_rcv_skb+0x130/0x360 [ 8474.094163][ T7704] netlink_unicast+0x449/0x710 [ 8474.094163][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8474.094163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8474.094163][ T7704] ___sys_sendmsg+0xee/0x170 [ 8474.094163][ T7704] __sys_sendmsg+0xcd/0x170 [ 8474.094163][ T7704] do_syscall_64+0xc6/0x1e0 [ 8474.094163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.094163][ T7704] [ 8474.095893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8474.095893][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8474.095893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8474.095893][ T7704] ipv6_find_idev+0x102/0x170 [ 8474.095893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.095893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.095893][ T7704] netlink_rcv_skb+0x130/0x360 [ 8474.095893][ T7704] netlink_unicast+0x449/0x710 [ 8474.095893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8474.095893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8474.095893][ T7704] ___sys_sendmsg+0xee/0x170 [ 8474.095893][ T7704] __sys_sendmsg+0xcd/0x170 [ 8474.095893][ T7704] do_syscall_64+0xc6/0x1e0 [ 8474.095893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.095893][ T7704] [ 8484.310937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8484.311452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8484.311452][ T7704] netdev_get_by_index+0x5e/0x80 [ 8484.311452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8484.311452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8484.311452][ T7704] ip6_route_add+0x1c/0x140 [ 8484.311452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8484.311452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8484.311452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.311452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.311452][ T7704] netlink_rcv_skb+0x130/0x360 [ 8484.311452][ T7704] netlink_unicast+0x449/0x710 [ 8484.311452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8484.311452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8484.311452][ T7704] ___sys_sendmsg+0xee/0x170 [ 8484.311452][ T7704] __sys_sendmsg+0xcd/0x170 [ 8484.311452][ T7704] do_syscall_64+0xc6/0x1e0 [ 8484.311452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.311452][ T7704] [ 8484.313705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8484.313705][ T7704] netdev_get_by_index+0x5e/0x80 [ 8484.313705][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8484.313705][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8484.313705][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8484.313705][ T7704] ipv6_add_addr+0x411/0x2000 [ 8484.313705][ T7704] inet6_addr_add+0x30e/0xa40 [ 8484.313705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.313705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.313705][ T7704] netlink_rcv_skb+0x130/0x360 [ 8484.313705][ T7704] netlink_unicast+0x449/0x710 [ 8484.313705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8484.313705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8484.313705][ T7704] ___sys_sendmsg+0xee/0x170 [ 8484.313705][ T7704] __sys_sendmsg+0xcd/0x170 [ 8484.313705][ T7704] do_syscall_64+0xc6/0x1e0 [ 8484.313705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.313705][ T7704] [ 8484.315932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8484.315932][ T7704] netdev_get_by_index+0x5e/0x80 [ 8484.315932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8484.315932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8484.315932][ T7704] ip6_route_add+0x1c/0x140 [ 8484.315932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8484.315932][ T7704] addrconf_add_dev+0xe2/0x170 [ 8484.315932][ T7704] inet6_addr_add+0x12f/0xa40 [ 8484.315932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.315932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.315932][ T7704] netlink_rcv_skb+0x130/0x360 [ 8484.315932][ T7704] netlink_unicast+0x449/0x710 [ 8484.315932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8484.315932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8484.315932][ T7704] ___sys_sendmsg+0xee/0x170 [ 8484.315932][ T7704] __sys_sendmsg+0xcd/0x170 [ 8484.315932][ T7704] do_syscall_64+0xc6/0x1e0 [ 8484.315932][ T7704] [ 8484.318130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8484.318130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8484.318130][ T7704] ipv6_find_idev+0x102/0x170 [ 8484.318130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.318130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.318130][ T7704] netlink_rcv_skb+0x130/0x360 [ 8484.318130][ T7704] netlink_unicast+0x449/0x710 [ 8484.318130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8484.318130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8484.318130][ T7704] ___sys_sendmsg+0xee/0x170 [ 8484.318130][ T7704] __sys_sendmsg+0xcd/0x170 [ 8484.318130][ T7704] do_syscall_64+0xc6/0x1e0 [ 8484.318130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.318130][ T7704] [ 8484.319853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8484.319853][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8484.319853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8484.319853][ T7704] ipv6_find_idev+0x102/0x170 [ 8484.319853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.319853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.319853][ T7704] netlink_rcv_skb+0x130/0x360 [ 8484.319853][ T7704] netlink_unicast+0x449/0x710 [ 8484.319853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8484.319853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8484.319853][ T7704] ___sys_sendmsg+0xee/0x170 [ 8484.319853][ T7704] __sys_sendmsg+0xcd/0x170 [ 8484.319853][ T7704] do_syscall_64+0xc6/0x1e0 [ 8484.319853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.319853][ T7704] [ 8494.558978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8494.559441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8494.559441][ T7704] netdev_get_by_index+0x5e/0x80 [ 8494.559441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8494.559441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8494.559441][ T7704] ip6_route_add+0x1c/0x140 [ 8494.559441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8494.559441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8494.559441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.559441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.559441][ T7704] netlink_rcv_skb+0x130/0x360 [ 8494.559441][ T7704] netlink_unicast+0x449/0x710 [ 8494.559441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8494.559441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8494.559441][ T7704] ___sys_sendmsg+0xee/0x170 [ 8494.559441][ T7704] __sys_sendmsg+0xcd/0x170 [ 8494.559441][ T7704] do_syscall_64+0xc6/0x1e0 [ 8494.559441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.559441][ T7704] [ 8494.561752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8494.561752][ T7704] netdev_get_by_index+0x5e/0x80 [ 8494.561752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8494.561752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8494.561752][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8494.561752][ T7704] ipv6_add_addr+0x411/0x2000 [ 8494.561752][ T7704] inet6_addr_add+0x30e/0xa40 [ 8494.561752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.561752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.561752][ T7704] netlink_rcv_skb+0x130/0x360 [ 8494.561752][ T7704] netlink_unicast+0x449/0x710 [ 8494.561752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8494.561752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8494.561752][ T7704] ___sys_sendmsg+0xee/0x170 [ 8494.561752][ T7704] __sys_sendmsg+0xcd/0x170 [ 8494.561752][ T7704] do_syscall_64+0xc6/0x1e0 [ 8494.561752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.561752][ T7704] [ 8494.564006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8494.564006][ T7704] netdev_get_by_index+0x5e/0x80 [ 8494.564006][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8494.564006][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8494.564006][ T7704] ip6_route_add+0x1c/0x140 [ 8494.564006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8494.564006][ T7704] addrconf_add_dev+0xe2/0x170 [ 8494.564006][ T7704] inet6_addr_add+0x12f/0xa40 [ 8494.564006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.564006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.564006][ T7704] netlink_rcv_skb+0x130/0x360 [ 8494.564006][ T7704] netlink_unicast+0x449/0x710 [ 8494.564006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8494.564006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8494.564006][ T7704] ___sys_sendmsg+0xee/0x170 [ 8494.564006][ T7704] __sys_sendmsg+0xcd/0x170 [ 8494.564006][ T7704] do_syscall_64+0xc6/0x1e0 [ 8494.564006][ T7704] [ 8494.566233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8494.566233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8494.566233][ T7704] ipv6_find_idev+0x102/0x170 [ 8494.566233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.566233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.566233][ T7704] netlink_rcv_skb+0x130/0x360 [ 8494.566233][ T7704] netlink_unicast+0x449/0x710 [ 8494.566233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8494.566233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8494.566233][ T7704] ___sys_sendmsg+0xee/0x170 [ 8494.566233][ T7704] __sys_sendmsg+0xcd/0x170 [ 8494.566233][ T7704] do_syscall_64+0xc6/0x1e0 [ 8494.566233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.566233][ T7704] [ 8494.567968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8494.567968][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8494.567968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8494.567968][ T7704] ipv6_find_idev+0x102/0x170 [ 8494.567968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.567968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.567968][ T7704] netlink_rcv_skb+0x130/0x360 [ 8494.567968][ T7704] netlink_unicast+0x449/0x710 [ 8494.567968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8494.567968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8494.567968][ T7704] ___sys_sendmsg+0xee/0x170 [ 8494.567968][ T7704] __sys_sendmsg+0xcd/0x170 [ 8494.567968][ T7704] do_syscall_64+0xc6/0x1e0 [ 8494.567968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.567968][ T7704] [ 8504.806940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8504.807472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8504.807472][ T7704] netdev_get_by_index+0x5e/0x80 [ 8504.807472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8504.807472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8504.807472][ T7704] ip6_route_add+0x1c/0x140 [ 8504.807472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8504.807472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8504.807472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.807472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.807472][ T7704] netlink_rcv_skb+0x130/0x360 [ 8504.807472][ T7704] netlink_unicast+0x449/0x710 [ 8504.807472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8504.807472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8504.807472][ T7704] ___sys_sendmsg+0xee/0x170 [ 8504.807472][ T7704] __sys_sendmsg+0xcd/0x170 [ 8504.807472][ T7704] do_syscall_64+0xc6/0x1e0 [ 8504.807472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.807472][ T7704] [ 8504.809785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8504.809785][ T7704] netdev_get_by_index+0x5e/0x80 [ 8504.809785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8504.809785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8504.809785][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8504.809785][ T7704] ipv6_add_addr+0x411/0x2000 [ 8504.809785][ T7704] inet6_addr_add+0x30e/0xa40 [ 8504.809785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.809785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.809785][ T7704] netlink_rcv_skb+0x130/0x360 [ 8504.809785][ T7704] netlink_unicast+0x449/0x710 [ 8504.809785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8504.809785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8504.809785][ T7704] ___sys_sendmsg+0xee/0x170 [ 8504.809785][ T7704] __sys_sendmsg+0xcd/0x170 [ 8504.809785][ T7704] do_syscall_64+0xc6/0x1e0 [ 8504.809785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.809785][ T7704] [ 8504.812039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8504.812039][ T7704] netdev_get_by_index+0x5e/0x80 [ 8504.812039][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8504.812039][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8504.812039][ T7704] ip6_route_add+0x1c/0x140 [ 8504.812039][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8504.812039][ T7704] addrconf_add_dev+0xe2/0x170 [ 8504.812039][ T7704] inet6_addr_add+0x12f/0xa40 [ 8504.812039][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.812039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.812039][ T7704] netlink_rcv_skb+0x130/0x360 [ 8504.812039][ T7704] netlink_unicast+0x449/0x710 [ 8504.812039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8504.812039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8504.812039][ T7704] ___sys_sendmsg+0xee/0x170 [ 8504.812039][ T7704] __sys_sendmsg+0xcd/0x170 [ 8504.812039][ T7704] do_syscall_64+0xc6/0x1e0 [ 8504.812039][ T7704] [ 8504.814257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8504.814257][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8504.814257][ T7704] ipv6_find_idev+0x102/0x170 [ 8504.814257][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.814257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.814257][ T7704] netlink_rcv_skb+0x130/0x360 [ 8504.814257][ T7704] netlink_unicast+0x449/0x710 [ 8504.814257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8504.814257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8504.814257][ T7704] ___sys_sendmsg+0xee/0x170 [ 8504.814257][ T7704] __sys_sendmsg+0xcd/0x170 [ 8504.814257][ T7704] do_syscall_64+0xc6/0x1e0 [ 8504.814257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.814257][ T7704] [ 8504.815990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8504.815990][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8504.815990][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8504.815990][ T7704] ipv6_find_idev+0x102/0x170 [ 8504.815990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.815990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.815990][ T7704] netlink_rcv_skb+0x130/0x360 [ 8504.815990][ T7704] netlink_unicast+0x449/0x710 [ 8504.815990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8504.815990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8504.815990][ T7704] ___sys_sendmsg+0xee/0x170 [ 8504.815990][ T7704] __sys_sendmsg+0xcd/0x170 [ 8504.815990][ T7704] do_syscall_64+0xc6/0x1e0 [ 8504.815990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.815990][ T7704] [ 8515.030937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8515.031457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8515.031457][ T7704] netdev_get_by_index+0x5e/0x80 [ 8515.031457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8515.031457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8515.031457][ T7704] ip6_route_add+0x1c/0x140 [ 8515.031457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8515.031457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8515.031457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.031457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.031457][ T7704] netlink_rcv_skb+0x130/0x360 [ 8515.031457][ T7704] netlink_unicast+0x449/0x710 [ 8515.031457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8515.031457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8515.031457][ T7704] ___sys_sendmsg+0xee/0x170 [ 8515.031457][ T7704] __sys_sendmsg+0xcd/0x170 [ 8515.031457][ T7704] do_syscall_64+0xc6/0x1e0 [ 8515.031457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.031457][ T7704] [ 8515.033739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8515.033739][ T7704] netdev_get_by_index+0x5e/0x80 [ 8515.033739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8515.033739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8515.033739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8515.033739][ T7704] ipv6_add_addr+0x411/0x2000 [ 8515.033739][ T7704] inet6_addr_add+0x30e/0xa40 [ 8515.033739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.033739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.033739][ T7704] netlink_rcv_skb+0x130/0x360 [ 8515.033739][ T7704] netlink_unicast+0x449/0x710 [ 8515.033739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8515.033739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8515.033739][ T7704] ___sys_sendmsg+0xee/0x170 [ 8515.033739][ T7704] __sys_sendmsg+0xcd/0x170 [ 8515.033739][ T7704] do_syscall_64+0xc6/0x1e0 [ 8515.033739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.033739][ T7704] [ 8515.035994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8515.035994][ T7704] netdev_get_by_index+0x5e/0x80 [ 8515.035994][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8515.035994][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8515.035994][ T7704] ip6_route_add+0x1c/0x140 [ 8515.035994][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8515.035994][ T7704] addrconf_add_dev+0xe2/0x170 [ 8515.035994][ T7704] inet6_addr_add+0x12f/0xa40 [ 8515.035994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.035994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.035994][ T7704] netlink_rcv_skb+0x130/0x360 [ 8515.035994][ T7704] netlink_unicast+0x449/0x710 [ 8515.035994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8515.035994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8515.035994][ T7704] ___sys_sendmsg+0xee/0x170 [ 8515.035994][ T7704] __sys_sendmsg+0xcd/0x170 [ 8515.035994][ T7704] do_syscall_64+0xc6/0x1e0 [ 8515.035994][ T7704] [ 8515.038203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8515.038203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8515.038203][ T7704] ipv6_find_idev+0x102/0x170 [ 8515.038203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8515.038203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.038203][ T7704] netlink_rcv_skb+0x130/0x360 [ 8515.038203][ T7704] netlink_unicast+0x449/0x710 [ 8515.038203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8515.038203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8515.038203][ T7704] ___sys_sendmsg+0xee/0x170 [ 8515.038203][ T7704] __sys_sendmsg+0xcd/0x170 [ 8515.038203][ T7704] do_syscall_64+0xc6/0x1e0 [ 8515.038203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.038203][ T7704] [ 8515.039958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8515.039958][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8515.039958][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8515.039958][ T7704] ipv6_find_idev+0x102/0x170 [ 8515.039958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8515.039958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.039958][ T7704] netlink_rcv_skb+0x130/0x360 [ 8515.039958][ T7704] netlink_unicast+0x449/0x710 [ 8515.039958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8515.039958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8515.039958][ T7704] ___sys_sendmsg+0xee/0x170 [ 8515.039958][ T7704] __sys_sendmsg+0xcd/0x170 [ 8515.039958][ T7704] do_syscall_64+0xc6/0x1e0 [ 8515.039958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.039958][ T7704] [ 8525.142933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8525.143463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8525.143463][ T7704] netdev_get_by_index+0x5e/0x80 [ 8525.143463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8525.143463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8525.143463][ T7704] ip6_route_add+0x1c/0x140 [ 8525.143463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8525.143463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8525.143463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.143463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.143463][ T7704] netlink_rcv_skb+0x130/0x360 [ 8525.143463][ T7704] netlink_unicast+0x449/0x710 [ 8525.143463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8525.143463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8525.143463][ T7704] ___sys_sendmsg+0xee/0x170 [ 8525.143463][ T7704] __sys_sendmsg+0xcd/0x170 [ 8525.143463][ T7704] do_syscall_64+0xc6/0x1e0 [ 8525.143463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.143463][ T7704] [ 8525.145734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8525.145734][ T7704] netdev_get_by_index+0x5e/0x80 [ 8525.145734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8525.145734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8525.145734][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8525.145734][ T7704] ipv6_add_addr+0x411/0x2000 [ 8525.145734][ T7704] inet6_addr_add+0x30e/0xa40 [ 8525.145734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.145734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.145734][ T7704] netlink_rcv_skb+0x130/0x360 [ 8525.145734][ T7704] netlink_unicast+0x449/0x710 [ 8525.145734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8525.145734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8525.145734][ T7704] ___sys_sendmsg+0xee/0x170 [ 8525.145734][ T7704] __sys_sendmsg+0xcd/0x170 [ 8525.145734][ T7704] do_syscall_64+0xc6/0x1e0 [ 8525.145734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.145734][ T7704] [ 8525.148018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8525.148018][ T7704] netdev_get_by_index+0x5e/0x80 [ 8525.148018][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8525.148018][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8525.148018][ T7704] ip6_route_add+0x1c/0x140 [ 8525.148018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8525.148018][ T7704] addrconf_add_dev+0xe2/0x170 [ 8525.148018][ T7704] inet6_addr_add+0x12f/0xa40 [ 8525.148018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.148018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.148018][ T7704] netlink_rcv_skb+0x130/0x360 [ 8525.148018][ T7704] netlink_unicast+0x449/0x710 [ 8525.148018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8525.148018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8525.148018][ T7704] ___sys_sendmsg+0xee/0x170 [ 8525.148018][ T7704] __sys_sendmsg+0xcd/0x170 [ 8525.148018][ T7704] do_syscall_64+0xc6/0x1e0 [ 8525.148018][ T7704] [ 8525.150246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8525.150246][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8525.150246][ T7704] ipv6_find_idev+0x102/0x170 [ 8525.150246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.150246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.150246][ T7704] netlink_rcv_skb+0x130/0x360 [ 8525.150246][ T7704] netlink_unicast+0x449/0x710 [ 8525.150246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8525.150246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8525.150246][ T7704] ___sys_sendmsg+0xee/0x170 [ 8525.150246][ T7704] __sys_sendmsg+0xcd/0x170 [ 8525.150246][ T7704] do_syscall_64+0xc6/0x1e0 [ 8525.150246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.150246][ T7704] [ 8525.151976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8525.151976][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8525.151976][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8525.151976][ T7704] ipv6_find_idev+0x102/0x170 [ 8525.151976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.151976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.151976][ T7704] netlink_rcv_skb+0x130/0x360 [ 8525.151976][ T7704] netlink_unicast+0x449/0x710 [ 8525.151976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8525.151976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8525.151976][ T7704] ___sys_sendmsg+0xee/0x170 [ 8525.151976][ T7704] __sys_sendmsg+0xcd/0x170 [ 8525.151976][ T7704] do_syscall_64+0xc6/0x1e0 [ 8525.151976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.151976][ T7704] [ 8535.390930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8535.391425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8535.391425][ T7704] netdev_get_by_index+0x5e/0x80 [ 8535.391425][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8535.391425][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8535.391425][ T7704] ip6_route_add+0x1c/0x140 [ 8535.391425][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8535.391425][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8535.391425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.391425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.391425][ T7704] netlink_rcv_skb+0x130/0x360 [ 8535.391425][ T7704] netlink_unicast+0x449/0x710 [ 8535.391425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8535.391425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8535.391425][ T7704] ___sys_sendmsg+0xee/0x170 [ 8535.391425][ T7704] __sys_sendmsg+0xcd/0x170 [ 8535.391425][ T7704] do_syscall_64+0xc6/0x1e0 [ 8535.391425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.391425][ T7704] [ 8535.393780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8535.393780][ T7704] netdev_get_by_index+0x5e/0x80 [ 8535.393780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8535.393780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8535.393780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8535.393780][ T7704] ipv6_add_addr+0x411/0x2000 [ 8535.393780][ T7704] inet6_addr_add+0x30e/0xa40 [ 8535.393780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.393780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.393780][ T7704] netlink_rcv_skb+0x130/0x360 [ 8535.393780][ T7704] netlink_unicast+0x449/0x710 [ 8535.393780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8535.393780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8535.393780][ T7704] ___sys_sendmsg+0xee/0x170 [ 8535.393780][ T7704] __sys_sendmsg+0xcd/0x170 [ 8535.393780][ T7704] do_syscall_64+0xc6/0x1e0 [ 8535.393780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.393780][ T7704] [ 8535.396018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8535.396018][ T7704] netdev_get_by_index+0x5e/0x80 [ 8535.396018][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8535.396018][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8535.396018][ T7704] ip6_route_add+0x1c/0x140 [ 8535.396018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8535.396018][ T7704] addrconf_add_dev+0xe2/0x170 [ 8535.396018][ T7704] inet6_addr_add+0x12f/0xa40 [ 8535.396018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.396018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.396018][ T7704] netlink_rcv_skb+0x130/0x360 [ 8535.396018][ T7704] netlink_unicast+0x449/0x710 [ 8535.396018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8535.396018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8535.396018][ T7704] ___sys_sendmsg+0xee/0x170 [ 8535.396018][ T7704] __sys_sendmsg+0xcd/0x170 [ 8535.396018][ T7704] do_syscall_64+0xc6/0x1e0 [ 8535.396018][ T7704] [ 8535.398201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8535.398201][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8535.398201][ T7704] ipv6_find_idev+0x102/0x170 [ 8535.398201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.398201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.398201][ T7704] netlink_rcv_skb+0x130/0x360 [ 8535.398201][ T7704] netlink_unicast+0x449/0x710 [ 8535.398201][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8535.398201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8535.398201][ T7704] ___sys_sendmsg+0xee/0x170 [ 8535.398201][ T7704] __sys_sendmsg+0xcd/0x170 [ 8535.398201][ T7704] do_syscall_64+0xc6/0x1e0 [ 8535.398201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.398201][ T7704] [ 8535.399915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8535.399915][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8535.399915][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8535.399915][ T7704] ipv6_find_idev+0x102/0x170 [ 8535.399915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.399915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.399915][ T7704] netlink_rcv_skb+0x130/0x360 [ 8535.399915][ T7704] netlink_unicast+0x449/0x710 [ 8535.399915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8535.399915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8535.399915][ T7704] ___sys_sendmsg+0xee/0x170 [ 8535.399915][ T7704] __sys_sendmsg+0xcd/0x170 [ 8535.399915][ T7704] do_syscall_64+0xc6/0x1e0 [ 8535.399915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.399915][ T7704] [ 8545.590876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8545.591382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8545.591382][ T7704] netdev_get_by_index+0x5e/0x80 [ 8545.591382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8545.591382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8545.591382][ T7704] ip6_route_add+0x1c/0x140 [ 8545.591382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8545.591382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8545.591382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.591382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.591382][ T7704] netlink_rcv_skb+0x130/0x360 [ 8545.591382][ T7704] netlink_unicast+0x449/0x710 [ 8545.591382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8545.591382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8545.591382][ T7704] ___sys_sendmsg+0xee/0x170 [ 8545.591382][ T7704] __sys_sendmsg+0xcd/0x170 [ 8545.591382][ T7704] do_syscall_64+0xc6/0x1e0 [ 8545.591382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.591382][ T7704] [ 8545.593641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8545.593641][ T7704] netdev_get_by_index+0x5e/0x80 [ 8545.593641][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8545.593641][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8545.593641][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8545.593641][ T7704] ipv6_add_addr+0x411/0x2000 [ 8545.593641][ T7704] inet6_addr_add+0x30e/0xa40 [ 8545.593641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.593641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.593641][ T7704] netlink_rcv_skb+0x130/0x360 [ 8545.593641][ T7704] netlink_unicast+0x449/0x710 [ 8545.593641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8545.593641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8545.593641][ T7704] ___sys_sendmsg+0xee/0x170 [ 8545.593641][ T7704] __sys_sendmsg+0xcd/0x170 [ 8545.593641][ T7704] do_syscall_64+0xc6/0x1e0 [ 8545.593641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.593641][ T7704] [ 8545.595872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8545.595872][ T7704] netdev_get_by_index+0x5e/0x80 [ 8545.595872][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8545.595872][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8545.595872][ T7704] ip6_route_add+0x1c/0x140 [ 8545.595872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8545.595872][ T7704] addrconf_add_dev+0xe2/0x170 [ 8545.595872][ T7704] inet6_addr_add+0x12f/0xa40 [ 8545.595872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.595872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.595872][ T7704] netlink_rcv_skb+0x130/0x360 [ 8545.595872][ T7704] netlink_unicast+0x449/0x710 [ 8545.595872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8545.595872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8545.595872][ T7704] ___sys_sendmsg+0xee/0x170 [ 8545.595872][ T7704] __sys_sendmsg+0xcd/0x170 [ 8545.595872][ T7704] do_syscall_64+0xc6/0x1e0 [ 8545.595872][ T7704] [ 8545.598065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8545.598065][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8545.598065][ T7704] ipv6_find_idev+0x102/0x170 [ 8545.598065][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.598065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.598065][ T7704] netlink_rcv_skb+0x130/0x360 [ 8545.598065][ T7704] netlink_unicast+0x449/0x710 [ 8545.598065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8545.598065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8545.598065][ T7704] ___sys_sendmsg+0xee/0x170 [ 8545.598065][ T7704] __sys_sendmsg+0xcd/0x170 [ 8545.598065][ T7704] do_syscall_64+0xc6/0x1e0 [ 8545.598065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.598065][ T7704] [ 8545.599956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8545.599956][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8545.599956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8545.599956][ T7704] ipv6_find_idev+0x102/0x170 [ 8545.599956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.599956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.599956][ T7704] netlink_rcv_skb+0x130/0x360 [ 8545.599956][ T7704] netlink_unicast+0x449/0x710 [ 8545.599956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8545.599956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8545.599956][ T7704] ___sys_sendmsg+0xee/0x170 [ 8545.599956][ T7704] __sys_sendmsg+0xcd/0x170 [ 8545.599956][ T7704] do_syscall_64+0xc6/0x1e0 [ 8545.599956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.599956][ T7704] [ 8555.702957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8555.703477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8555.703477][ T7704] netdev_get_by_index+0x5e/0x80 [ 8555.703477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8555.703477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8555.703477][ T7704] ip6_route_add+0x1c/0x140 [ 8555.703477][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8555.703477][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8555.703477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.703477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.703477][ T7704] netlink_rcv_skb+0x130/0x360 [ 8555.703477][ T7704] netlink_unicast+0x449/0x710 [ 8555.703477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8555.703477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8555.703477][ T7704] ___sys_sendmsg+0xee/0x170 [ 8555.703477][ T7704] __sys_sendmsg+0xcd/0x170 [ 8555.703477][ T7704] do_syscall_64+0xc6/0x1e0 [ 8555.703477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.703477][ T7704] [ 8555.705721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8555.705721][ T7704] netdev_get_by_index+0x5e/0x80 [ 8555.705721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8555.705721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8555.705721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8555.705721][ T7704] ipv6_add_addr+0x411/0x2000 [ 8555.705721][ T7704] inet6_addr_add+0x30e/0xa40 [ 8555.705721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.705721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.705721][ T7704] netlink_rcv_skb+0x130/0x360 [ 8555.705721][ T7704] netlink_unicast+0x449/0x710 [ 8555.705721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8555.705721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8555.705721][ T7704] ___sys_sendmsg+0xee/0x170 [ 8555.705721][ T7704] __sys_sendmsg+0xcd/0x170 [ 8555.705721][ T7704] do_syscall_64+0xc6/0x1e0 [ 8555.705721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.705721][ T7704] [ 8555.707945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8555.707945][ T7704] netdev_get_by_index+0x5e/0x80 [ 8555.707945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8555.707945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8555.707945][ T7704] ip6_route_add+0x1c/0x140 [ 8555.707945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8555.707945][ T7704] addrconf_add_dev+0xe2/0x170 [ 8555.707945][ T7704] inet6_addr_add+0x12f/0xa40 [ 8555.707945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.707945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.707945][ T7704] netlink_rcv_skb+0x130/0x360 [ 8555.707945][ T7704] netlink_unicast+0x449/0x710 [ 8555.707945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8555.707945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8555.707945][ T7704] ___sys_sendmsg+0xee/0x170 [ 8555.707945][ T7704] __sys_sendmsg+0xcd/0x170 [ 8555.707945][ T7704] do_syscall_64+0xc6/0x1e0 [ 8555.707945][ T7704] [ 8555.710145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8555.710145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8555.710145][ T7704] ipv6_find_idev+0x102/0x170 [ 8555.710145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8555.710145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.710145][ T7704] netlink_rcv_skb+0x130/0x360 [ 8555.710145][ T7704] netlink_unicast+0x449/0x710 [ 8555.710145][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8555.710145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8555.710145][ T7704] ___sys_sendmsg+0xee/0x170 [ 8555.710145][ T7704] __sys_sendmsg+0xcd/0x170 [ 8555.710145][ T7704] do_syscall_64+0xc6/0x1e0 [ 8555.710145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.710145][ T7704] [ 8555.711896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8555.711896][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8555.711896][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8555.711896][ T7704] ipv6_find_idev+0x102/0x170 [ 8555.711896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8555.711896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.711896][ T7704] netlink_rcv_skb+0x130/0x360 [ 8555.711896][ T7704] netlink_unicast+0x449/0x710 [ 8555.711896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8555.711896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8555.711896][ T7704] ___sys_sendmsg+0xee/0x170 [ 8555.711896][ T7704] __sys_sendmsg+0xcd/0x170 [ 8555.711896][ T7704] do_syscall_64+0xc6/0x1e0 [ 8555.711896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.711896][ T7704] [ 8565.846932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8565.847443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8565.847443][ T7704] netdev_get_by_index+0x5e/0x80 [ 8565.847443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8565.847443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8565.847443][ T7704] ip6_route_add+0x1c/0x140 [ 8565.847443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8565.847443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8565.847443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.847443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.847443][ T7704] netlink_rcv_skb+0x130/0x360 [ 8565.847443][ T7704] netlink_unicast+0x449/0x710 [ 8565.847443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8565.847443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8565.847443][ T7704] ___sys_sendmsg+0xee/0x170 [ 8565.847443][ T7704] __sys_sendmsg+0xcd/0x170 [ 8565.847443][ T7704] do_syscall_64+0xc6/0x1e0 [ 8565.847443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.847443][ T7704] [ 8565.849693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8565.849693][ T7704] netdev_get_by_index+0x5e/0x80 [ 8565.849693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8565.849693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8565.849693][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8565.849693][ T7704] ipv6_add_addr+0x411/0x2000 [ 8565.849693][ T7704] inet6_addr_add+0x30e/0xa40 [ 8565.849693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.849693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.849693][ T7704] netlink_rcv_skb+0x130/0x360 [ 8565.849693][ T7704] netlink_unicast+0x449/0x710 [ 8565.849693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8565.849693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8565.849693][ T7704] ___sys_sendmsg+0xee/0x170 [ 8565.849693][ T7704] __sys_sendmsg+0xcd/0x170 [ 8565.849693][ T7704] do_syscall_64+0xc6/0x1e0 [ 8565.849693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.849693][ T7704] [ 8565.851987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8565.851987][ T7704] netdev_get_by_index+0x5e/0x80 [ 8565.851987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8565.851987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8565.851987][ T7704] ip6_route_add+0x1c/0x140 [ 8565.851987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8565.851987][ T7704] addrconf_add_dev+0xe2/0x170 [ 8565.851987][ T7704] inet6_addr_add+0x12f/0xa40 [ 8565.851987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.851987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.851987][ T7704] netlink_rcv_skb+0x130/0x360 [ 8565.851987][ T7704] netlink_unicast+0x449/0x710 [ 8565.851987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8565.851987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8565.851987][ T7704] ___sys_sendmsg+0xee/0x170 [ 8565.851987][ T7704] __sys_sendmsg+0xcd/0x170 [ 8565.851987][ T7704] do_syscall_64+0xc6/0x1e0 [ 8565.851987][ T7704] [ 8565.854160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8565.854160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8565.854160][ T7704] ipv6_find_idev+0x102/0x170 [ 8565.854160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.854160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.854160][ T7704] netlink_rcv_skb+0x130/0x360 [ 8565.854160][ T7704] netlink_unicast+0x449/0x710 [ 8565.854160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8565.854160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8565.854160][ T7704] ___sys_sendmsg+0xee/0x170 [ 8565.854160][ T7704] __sys_sendmsg+0xcd/0x170 [ 8565.854160][ T7704] do_syscall_64+0xc6/0x1e0 [ 8565.854160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.854160][ T7704] [ 8565.855864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8565.855864][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8565.855864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8565.855864][ T7704] ipv6_find_idev+0x102/0x170 [ 8565.855864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.855864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.855864][ T7704] netlink_rcv_skb+0x130/0x360 [ 8565.855864][ T7704] netlink_unicast+0x449/0x710 [ 8565.855864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8565.855864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8565.855864][ T7704] ___sys_sendmsg+0xee/0x170 [ 8565.855864][ T7704] __sys_sendmsg+0xcd/0x170 [ 8565.855864][ T7704] do_syscall_64+0xc6/0x1e0 [ 8565.855864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.855864][ T7704] [ 8575.870932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8575.871429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8575.871429][ T7704] netdev_get_by_index+0x5e/0x80 [ 8575.871429][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8575.871429][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8575.871429][ T7704] ip6_route_add+0x1c/0x140 [ 8575.871429][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8575.871429][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8575.871429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.871429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.871429][ T7704] netlink_rcv_skb+0x130/0x360 [ 8575.871429][ T7704] netlink_unicast+0x449/0x710 [ 8575.871429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8575.871429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8575.871429][ T7704] ___sys_sendmsg+0xee/0x170 [ 8575.871429][ T7704] __sys_sendmsg+0xcd/0x170 [ 8575.871429][ T7704] do_syscall_64+0xc6/0x1e0 [ 8575.871429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.871429][ T7704] [ 8575.873692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8575.873692][ T7704] netdev_get_by_index+0x5e/0x80 [ 8575.873692][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8575.873692][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8575.873692][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8575.873692][ T7704] ipv6_add_addr+0x411/0x2000 [ 8575.873692][ T7704] inet6_addr_add+0x30e/0xa40 [ 8575.873692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.873692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.873692][ T7704] netlink_rcv_skb+0x130/0x360 [ 8575.873692][ T7704] netlink_unicast+0x449/0x710 [ 8575.873692][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8575.873692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8575.873692][ T7704] ___sys_sendmsg+0xee/0x170 [ 8575.873692][ T7704] __sys_sendmsg+0xcd/0x170 [ 8575.873692][ T7704] do_syscall_64+0xc6/0x1e0 [ 8575.873692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.873692][ T7704] [ 8575.875915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8575.875915][ T7704] netdev_get_by_index+0x5e/0x80 [ 8575.875915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8575.875915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8575.875915][ T7704] ip6_route_add+0x1c/0x140 [ 8575.875915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8575.875915][ T7704] addrconf_add_dev+0xe2/0x170 [ 8575.875915][ T7704] inet6_addr_add+0x12f/0xa40 [ 8575.875915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.875915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.875915][ T7704] netlink_rcv_skb+0x130/0x360 [ 8575.875915][ T7704] netlink_unicast+0x449/0x710 [ 8575.875915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8575.875915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8575.875915][ T7704] ___sys_sendmsg+0xee/0x170 [ 8575.875915][ T7704] __sys_sendmsg+0xcd/0x170 [ 8575.875915][ T7704] do_syscall_64+0xc6/0x1e0 [ 8575.875915][ T7704] [ 8575.878098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8575.878098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8575.878098][ T7704] ipv6_find_idev+0x102/0x170 [ 8575.878098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.878098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.878098][ T7704] netlink_rcv_skb+0x130/0x360 [ 8575.878098][ T7704] netlink_unicast+0x449/0x710 [ 8575.878098][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8575.878098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8575.878098][ T7704] ___sys_sendmsg+0xee/0x170 [ 8575.878098][ T7704] __sys_sendmsg+0xcd/0x170 [ 8575.878098][ T7704] do_syscall_64+0xc6/0x1e0 [ 8575.878098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.878098][ T7704] [ 8575.879836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8575.879836][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8575.879836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8575.879836][ T7704] ipv6_find_idev+0x102/0x170 [ 8575.879836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.879836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.879836][ T7704] netlink_rcv_skb+0x130/0x360 [ 8575.879836][ T7704] netlink_unicast+0x449/0x710 [ 8575.879836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8575.879836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8575.879836][ T7704] ___sys_sendmsg+0xee/0x170 [ 8575.879836][ T7704] __sys_sendmsg+0xcd/0x170 [ 8575.879836][ T7704] do_syscall_64+0xc6/0x1e0 [ 8575.879836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.879836][ T7704] [ 8586.126934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8586.127437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8586.127437][ T7704] netdev_get_by_index+0x5e/0x80 [ 8586.127437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8586.127437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8586.127437][ T7704] ip6_route_add+0x1c/0x140 [ 8586.127437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8586.127437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8586.127437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.127437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.127437][ T7704] netlink_rcv_skb+0x130/0x360 [ 8586.127437][ T7704] netlink_unicast+0x449/0x710 [ 8586.127437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8586.127437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8586.127437][ T7704] ___sys_sendmsg+0xee/0x170 [ 8586.127437][ T7704] __sys_sendmsg+0xcd/0x170 [ 8586.127437][ T7704] do_syscall_64+0xc6/0x1e0 [ 8586.127437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.127437][ T7704] [ 8586.129708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8586.129708][ T7704] netdev_get_by_index+0x5e/0x80 [ 8586.129708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8586.129708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8586.129708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8586.129708][ T7704] ipv6_add_addr+0x411/0x2000 [ 8586.129708][ T7704] inet6_addr_add+0x30e/0xa40 [ 8586.129708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.129708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.129708][ T7704] netlink_rcv_skb+0x130/0x360 [ 8586.129708][ T7704] netlink_unicast+0x449/0x710 [ 8586.129708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8586.129708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8586.129708][ T7704] ___sys_sendmsg+0xee/0x170 [ 8586.129708][ T7704] __sys_sendmsg+0xcd/0x170 [ 8586.129708][ T7704] do_syscall_64+0xc6/0x1e0 [ 8586.129708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.129708][ T7704] [ 8586.131927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8586.131927][ T7704] netdev_get_by_index+0x5e/0x80 [ 8586.131927][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8586.131927][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8586.131927][ T7704] ip6_route_add+0x1c/0x140 [ 8586.131927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8586.131927][ T7704] addrconf_add_dev+0xe2/0x170 [ 8586.131927][ T7704] inet6_addr_add+0x12f/0xa40 [ 8586.131927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.131927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.131927][ T7704] netlink_rcv_skb+0x130/0x360 [ 8586.131927][ T7704] netlink_unicast+0x449/0x710 [ 8586.131927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8586.131927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8586.131927][ T7704] ___sys_sendmsg+0xee/0x170 [ 8586.131927][ T7704] __sys_sendmsg+0xcd/0x170 [ 8586.131927][ T7704] do_syscall_64+0xc6/0x1e0 [ 8586.131927][ T7704] [ 8586.134097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8586.134097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8586.134097][ T7704] ipv6_find_idev+0x102/0x170 [ 8586.134097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.134097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.134097][ T7704] netlink_rcv_skb+0x130/0x360 [ 8586.134097][ T7704] netlink_unicast+0x449/0x710 [ 8586.134097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8586.134097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8586.134097][ T7704] ___sys_sendmsg+0xee/0x170 [ 8586.134097][ T7704] __sys_sendmsg+0xcd/0x170 [ 8586.134097][ T7704] do_syscall_64+0xc6/0x1e0 [ 8586.134097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.134097][ T7704] [ 8586.135802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8586.135802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8586.135802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8586.135802][ T7704] ipv6_find_idev+0x102/0x170 [ 8586.135802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.135802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.135802][ T7704] netlink_rcv_skb+0x130/0x360 [ 8586.135802][ T7704] netlink_unicast+0x449/0x710 [ 8586.135802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8586.135802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8586.135802][ T7704] ___sys_sendmsg+0xee/0x170 [ 8586.135802][ T7704] __sys_sendmsg+0xcd/0x170 [ 8586.135802][ T7704] do_syscall_64+0xc6/0x1e0 [ 8586.135802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.135802][ T7704] [ 8596.374873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8596.375382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8596.375382][ T7704] netdev_get_by_index+0x5e/0x80 [ 8596.375382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8596.375382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8596.375382][ T7704] ip6_route_add+0x1c/0x140 [ 8596.375382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8596.375382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8596.375382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8596.375382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8596.375382][ T7704] netlink_rcv_skb+0x130/0x360 [ 8596.375382][ T7704] netlink_unicast+0x449/0x710 [ 8596.375382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8596.375382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8596.375382][ T7704] ___sys_sendmsg+0xee/0x170 [ 8596.375382][ T7704] __sys_sendmsg+0xcd/0x170 [ 8596.375382][ T7704] do_syscall_64+0xc6/0x1e0 [ 8596.375382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8596.375382][ T7704] [ 8596.377638][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8596.377638][ T7704] netdev_get_by_index+0x5e/0x80 [ 8596.377638][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8596.377638][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8596.377638][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8596.377638][ T7704] ipv6_add_addr+0x411/0x2000 [ 8596.377638][ T7704] inet6_addr_add+0x30e/0xa40 [ 8596.377638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8596.377638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8596.377638][ T7704] netlink_rcv_skb+0x130/0x360 [ 8596.377638][ T7704] netlink_unicast+0x449/0x710 [ 8596.377638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8596.377638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8596.377638][ T7704] ___sys_sendmsg+0xee/0x170 [ 8596.377638][ T7704] __sys_sendmsg+0xcd/0x170 [ 8596.377638][ T7704] do_syscall_64+0xc6/0x1e0 [ 8596.377638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8596.377638][ T7704] [ 8596.379988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8596.379988][ T7704] netdev_get_by_index+0x5e/0x80 [ 8596.379988][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8596.379988][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8596.379988][ T7704] ip6_route_add+0x1c/0x140 [ 8596.379988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8596.379988][ T7704] addrconf_add_dev+0xe2/0x170 [ 8596.379988][ T7704] inet6_addr_add+0x12f/0xa40 [ 8596.379988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8596.379988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8596.379988][ T7704] netlink_rcv_skb+0x130/0x360 [ 8596.379988][ T7704] netlink_unicast+0x449/0x710 [ 8596.379988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8596.379988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8596.379988][ T7704] ___sys_sendmsg+0xee/0x170 [ 8596.379988][ T7704] __sys_sendmsg+0xcd/0x170 [ 8596.379988][ T7704] do_syscall_64+0xc6/0x1e0 [ 8596.379988][ T7704] [ 8596.382172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8596.382172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8596.382172][ T7704] ipv6_find_idev+0x102/0x170 [ 8596.382172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8596.382172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8596.382172][ T7704] netlink_rcv_skb+0x130/0x360 [ 8596.382172][ T7704] netlink_unicast+0x449/0x710 [ 8596.382172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8596.382172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8596.382172][ T7704] ___sys_sendmsg+0xee/0x170 [ 8596.382172][ T7704] __sys_sendmsg+0xcd/0x170 [ 8596.382172][ T7704] do_syscall_64+0xc6/0x1e0 [ 8596.382172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8596.382172][ T7704] [ 8596.383880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8596.383880][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8596.383880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8596.383880][ T7704] ipv6_find_idev+0x102/0x170 [ 8596.383880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8596.383880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8596.383880][ T7704] netlink_rcv_skb+0x130/0x360 [ 8596.383880][ T7704] netlink_unicast+0x449/0x710 [ 8596.383880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8596.383880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8596.383880][ T7704] ___sys_sendmsg+0xee/0x170 [ 8596.383880][ T7704] __sys_sendmsg+0xcd/0x170 [ 8596.383880][ T7704] do_syscall_64+0xc6/0x1e0 [ 8596.383880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8596.383880][ T7704] [ 8606.623006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8606.623541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8606.623541][ T7704] netdev_get_by_index+0x5e/0x80 [ 8606.623541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8606.623541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8606.623541][ T7704] ip6_route_add+0x1c/0x140 [ 8606.623541][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8606.623541][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8606.623541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.623541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.623541][ T7704] netlink_rcv_skb+0x130/0x360 [ 8606.623541][ T7704] netlink_unicast+0x449/0x710 [ 8606.623541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8606.623541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8606.623541][ T7704] ___sys_sendmsg+0xee/0x170 [ 8606.623541][ T7704] __sys_sendmsg+0xcd/0x170 [ 8606.623541][ T7704] do_syscall_64+0xc6/0x1e0 [ 8606.623541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.623541][ T7704] [ 8606.625820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8606.625820][ T7704] netdev_get_by_index+0x5e/0x80 [ 8606.625820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8606.625820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8606.625820][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8606.625820][ T7704] ipv6_add_addr+0x411/0x2000 [ 8606.625820][ T7704] inet6_addr_add+0x30e/0xa40 [ 8606.625820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.625820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.625820][ T7704] netlink_rcv_skb+0x130/0x360 [ 8606.625820][ T7704] netlink_unicast+0x449/0x710 [ 8606.625820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8606.625820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8606.625820][ T7704] ___sys_sendmsg+0xee/0x170 [ 8606.625820][ T7704] __sys_sendmsg+0xcd/0x170 [ 8606.625820][ T7704] do_syscall_64+0xc6/0x1e0 [ 8606.625820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.625820][ T7704] [ 8606.628097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8606.628097][ T7704] netdev_get_by_index+0x5e/0x80 [ 8606.628097][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8606.628097][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8606.628097][ T7704] ip6_route_add+0x1c/0x140 [ 8606.628097][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8606.628097][ T7704] addrconf_add_dev+0xe2/0x170 [ 8606.628097][ T7704] inet6_addr_add+0x12f/0xa40 [ 8606.628097][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.628097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.628097][ T7704] netlink_rcv_skb+0x130/0x360 [ 8606.628097][ T7704] netlink_unicast+0x449/0x710 [ 8606.628097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8606.628097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8606.628097][ T7704] ___sys_sendmsg+0xee/0x170 [ 8606.628097][ T7704] __sys_sendmsg+0xcd/0x170 [ 8606.628097][ T7704] do_syscall_64+0xc6/0x1e0 [ 8606.628097][ T7704] [ 8606.630325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8606.630325][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8606.630325][ T7704] ipv6_find_idev+0x102/0x170 [ 8606.630325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.630325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.630325][ T7704] netlink_rcv_skb+0x130/0x360 [ 8606.630325][ T7704] netlink_unicast+0x449/0x710 [ 8606.630325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8606.630325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8606.630325][ T7704] ___sys_sendmsg+0xee/0x170 [ 8606.630325][ T7704] __sys_sendmsg+0xcd/0x170 [ 8606.630325][ T7704] do_syscall_64+0xc6/0x1e0 [ 8606.630325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.630325][ T7704] [ 8606.632059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8606.632059][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8606.632059][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8606.632059][ T7704] ipv6_find_idev+0x102/0x170 [ 8606.632059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.632059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.632059][ T7704] netlink_rcv_skb+0x130/0x360 [ 8606.632059][ T7704] netlink_unicast+0x449/0x710 [ 8606.632059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8606.632059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8606.632059][ T7704] ___sys_sendmsg+0xee/0x170 [ 8606.632059][ T7704] __sys_sendmsg+0xcd/0x170 [ 8606.632059][ T7704] do_syscall_64+0xc6/0x1e0 [ 8606.632059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.632059][ T7704] [ 8616.870981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8616.871498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8616.871498][ T7704] netdev_get_by_index+0x5e/0x80 [ 8616.871498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8616.871498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8616.871498][ T7704] ip6_route_add+0x1c/0x140 [ 8616.871498][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8616.871498][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8616.871498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.871498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.871498][ T7704] netlink_rcv_skb+0x130/0x360 [ 8616.871498][ T7704] netlink_unicast+0x449/0x710 [ 8616.871498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8616.871498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8616.871498][ T7704] ___sys_sendmsg+0xee/0x170 [ 8616.871498][ T7704] __sys_sendmsg+0xcd/0x170 [ 8616.871498][ T7704] do_syscall_64+0xc6/0x1e0 [ 8616.871498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.871498][ T7704] [ 8616.873789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8616.873789][ T7704] netdev_get_by_index+0x5e/0x80 [ 8616.873789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8616.873789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8616.873789][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8616.873789][ T7704] ipv6_add_addr+0x411/0x2000 [ 8616.873789][ T7704] inet6_addr_add+0x30e/0xa40 [ 8616.873789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.873789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.873789][ T7704] netlink_rcv_skb+0x130/0x360 [ 8616.873789][ T7704] netlink_unicast+0x449/0x710 [ 8616.873789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8616.873789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8616.873789][ T7704] ___sys_sendmsg+0xee/0x170 [ 8616.873789][ T7704] __sys_sendmsg+0xcd/0x170 [ 8616.873789][ T7704] do_syscall_64+0xc6/0x1e0 [ 8616.873789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.873789][ T7704] [ 8616.876059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8616.876059][ T7704] netdev_get_by_index+0x5e/0x80 [ 8616.876059][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8616.876059][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8616.876059][ T7704] ip6_route_add+0x1c/0x140 [ 8616.876059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8616.876059][ T7704] addrconf_add_dev+0xe2/0x170 [ 8616.876059][ T7704] inet6_addr_add+0x12f/0xa40 [ 8616.876059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.876059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.876059][ T7704] netlink_rcv_skb+0x130/0x360 [ 8616.876059][ T7704] netlink_unicast+0x449/0x710 [ 8616.876059][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8616.876059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8616.876059][ T7704] ___sys_sendmsg+0xee/0x170 [ 8616.876059][ T7704] __sys_sendmsg+0xcd/0x170 [ 8616.876059][ T7704] do_syscall_64+0xc6/0x1e0 [ 8616.876059][ T7704] [ 8616.878282][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8616.878282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8616.878282][ T7704] ipv6_find_idev+0x102/0x170 [ 8616.878282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.878282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.878282][ T7704] netlink_rcv_skb+0x130/0x360 [ 8616.878282][ T7704] netlink_unicast+0x449/0x710 [ 8616.878282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8616.878282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8616.878282][ T7704] ___sys_sendmsg+0xee/0x170 [ 8616.878282][ T7704] __sys_sendmsg+0xcd/0x170 [ 8616.878282][ T7704] do_syscall_64+0xc6/0x1e0 [ 8616.878282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.878282][ T7704] [ 8616.880030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8616.880030][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8616.880030][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8616.880030][ T7704] ipv6_find_idev+0x102/0x170 [ 8616.880030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.880030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.880030][ T7704] netlink_rcv_skb+0x130/0x360 [ 8616.880030][ T7704] netlink_unicast+0x449/0x710 [ 8616.880030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8616.880030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8616.880030][ T7704] ___sys_sendmsg+0xee/0x170 [ 8616.880030][ T7704] __sys_sendmsg+0xcd/0x170 [ 8616.880030][ T7704] do_syscall_64+0xc6/0x1e0 [ 8616.880030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.880030][ T7704] [ 8627.118936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8627.119513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8627.119513][ T7704] netdev_get_by_index+0x5e/0x80 [ 8627.119513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8627.119513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8627.119513][ T7704] ip6_route_add+0x1c/0x140 [ 8627.119513][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8627.119513][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8627.119513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.119513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.119513][ T7704] netlink_rcv_skb+0x130/0x360 [ 8627.119513][ T7704] netlink_unicast+0x449/0x710 [ 8627.119513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8627.119513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8627.119513][ T7704] ___sys_sendmsg+0xee/0x170 [ 8627.119513][ T7704] __sys_sendmsg+0xcd/0x170 [ 8627.119513][ T7704] do_syscall_64+0xc6/0x1e0 [ 8627.119513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.119513][ T7704] [ 8627.122340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8627.122340][ T7704] netdev_get_by_index+0x5e/0x80 [ 8627.122340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8627.122340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8627.122340][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8627.122340][ T7704] ipv6_add_addr+0x411/0x2000 [ 8627.122340][ T7704] inet6_addr_add+0x30e/0xa40 [ 8627.122340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.122340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.122340][ T7704] netlink_rcv_skb+0x130/0x360 [ 8627.122340][ T7704] netlink_unicast+0x449/0x710 [ 8627.122340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8627.122340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8627.122340][ T7704] ___sys_sendmsg+0xee/0x170 [ 8627.122340][ T7704] __sys_sendmsg+0xcd/0x170 [ 8627.122340][ T7704] do_syscall_64+0xc6/0x1e0 [ 8627.122340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.122340][ T7704] [ 8627.124597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8627.124597][ T7704] netdev_get_by_index+0x5e/0x80 [ 8627.124597][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8627.124597][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8627.124597][ T7704] ip6_route_add+0x1c/0x140 [ 8627.124597][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8627.124597][ T7704] addrconf_add_dev+0xe2/0x170 [ 8627.124597][ T7704] inet6_addr_add+0x12f/0xa40 [ 8627.124597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.124597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.124597][ T7704] netlink_rcv_skb+0x130/0x360 [ 8627.124597][ T7704] netlink_unicast+0x449/0x710 [ 8627.124597][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8627.124597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8627.124597][ T7704] ___sys_sendmsg+0xee/0x170 [ 8627.124597][ T7704] __sys_sendmsg+0xcd/0x170 [ 8627.124597][ T7704] do_syscall_64+0xc6/0x1e0 [ 8627.124597][ T7704] [ 8627.126809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8627.126809][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8627.126809][ T7704] ipv6_find_idev+0x102/0x170 [ 8627.126809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.126809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.126809][ T7704] netlink_rcv_skb+0x130/0x360 [ 8627.126809][ T7704] netlink_unicast+0x449/0x710 [ 8627.126809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8627.126809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8627.126809][ T7704] ___sys_sendmsg+0xee/0x170 [ 8627.126809][ T7704] __sys_sendmsg+0xcd/0x170 [ 8627.126809][ T7704] do_syscall_64+0xc6/0x1e0 [ 8627.126809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.126809][ T7704] [ 8627.128549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8627.128549][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8627.128549][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8627.128549][ T7704] ipv6_find_idev+0x102/0x170 [ 8627.128549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.128549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.128549][ T7704] netlink_rcv_skb+0x130/0x360 [ 8627.128549][ T7704] netlink_unicast+0x449/0x710 [ 8627.128549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8627.128549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8627.128549][ T7704] ___sys_sendmsg+0xee/0x170 [ 8627.128549][ T7704] __sys_sendmsg+0xcd/0x170 [ 8627.128549][ T7704] do_syscall_64+0xc6/0x1e0 [ 8627.128549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.128549][ T7704] [ 8637.366864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8637.367393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8637.367393][ T7704] netdev_get_by_index+0x5e/0x80 [ 8637.367393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8637.367393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8637.367393][ T7704] ip6_route_add+0x1c/0x140 [ 8637.367393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8637.367393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8637.367393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8637.367393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8637.367393][ T7704] netlink_rcv_skb+0x130/0x360 [ 8637.367393][ T7704] netlink_unicast+0x449/0x710 [ 8637.367393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8637.367393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8637.367393][ T7704] ___sys_sendmsg+0xee/0x170 [ 8637.367393][ T7704] __sys_sendmsg+0xcd/0x170 [ 8637.367393][ T7704] do_syscall_64+0xc6/0x1e0 [ 8637.367393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8637.367393][ T7704] [ 8637.369700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8637.369700][ T7704] netdev_get_by_index+0x5e/0x80 [ 8637.369700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8637.369700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8637.369700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8637.369700][ T7704] ipv6_add_addr+0x411/0x2000 [ 8637.369700][ T7704] inet6_addr_add+0x30e/0xa40 [ 8637.369700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8637.369700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8637.369700][ T7704] netlink_rcv_skb+0x130/0x360 [ 8637.369700][ T7704] netlink_unicast+0x449/0x710 [ 8637.369700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8637.369700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8637.369700][ T7704] ___sys_sendmsg+0xee/0x170 [ 8637.369700][ T7704] __sys_sendmsg+0xcd/0x170 [ 8637.369700][ T7704] do_syscall_64+0xc6/0x1e0 [ 8637.369700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8637.369700][ T7704] [ 8637.371975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8637.371975][ T7704] netdev_get_by_index+0x5e/0x80 [ 8637.371975][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8637.371975][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8637.371975][ T7704] ip6_route_add+0x1c/0x140 [ 8637.371975][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8637.371975][ T7704] addrconf_add_dev+0xe2/0x170 [ 8637.371975][ T7704] inet6_addr_add+0x12f/0xa40 [ 8637.371975][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8637.371975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8637.371975][ T7704] netlink_rcv_skb+0x130/0x360 [ 8637.371975][ T7704] netlink_unicast+0x449/0x710 [ 8637.371975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8637.371975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8637.371975][ T7704] ___sys_sendmsg+0xee/0x170 [ 8637.371975][ T7704] __sys_sendmsg+0xcd/0x170 [ 8637.371975][ T7704] do_syscall_64+0xc6/0x1e0 [ 8637.371975][ T7704] [ 8637.374217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8637.374217][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8637.374217][ T7704] ipv6_find_idev+0x102/0x170 [ 8637.374217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8637.374217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8637.374217][ T7704] netlink_rcv_skb+0x130/0x360 [ 8637.374217][ T7704] netlink_unicast+0x449/0x710 [ 8637.374217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8637.374217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8637.374217][ T7704] ___sys_sendmsg+0xee/0x170 [ 8637.374217][ T7704] __sys_sendmsg+0xcd/0x170 [ 8637.374217][ T7704] do_syscall_64+0xc6/0x1e0 [ 8637.374217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8637.374217][ T7704] [ 8637.375969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8637.375969][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8637.375969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8637.375969][ T7704] ipv6_find_idev+0x102/0x170 [ 8637.375969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8637.375969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8637.375969][ T7704] netlink_rcv_skb+0x130/0x360 [ 8637.375969][ T7704] netlink_unicast+0x449/0x710 [ 8637.375969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8637.375969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8637.375969][ T7704] ___sys_sendmsg+0xee/0x170 [ 8637.375969][ T7704] __sys_sendmsg+0xcd/0x170 [ 8637.375969][ T7704] do_syscall_64+0xc6/0x1e0 [ 8637.375969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8637.375969][ T7704] [ 8647.614870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8647.615403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8647.615403][ T7704] netdev_get_by_index+0x5e/0x80 [ 8647.615403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8647.615403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8647.615403][ T7704] ip6_route_add+0x1c/0x140 [ 8647.615403][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8647.615403][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8647.615403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.615403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.615403][ T7704] netlink_rcv_skb+0x130/0x360 [ 8647.615403][ T7704] netlink_unicast+0x449/0x710 [ 8647.615403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8647.615403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8647.615403][ T7704] ___sys_sendmsg+0xee/0x170 [ 8647.615403][ T7704] __sys_sendmsg+0xcd/0x170 [ 8647.615403][ T7704] do_syscall_64+0xc6/0x1e0 [ 8647.615403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.615403][ T7704] [ 8647.617711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8647.617711][ T7704] netdev_get_by_index+0x5e/0x80 [ 8647.617711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8647.617711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8647.617711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8647.617711][ T7704] ipv6_add_addr+0x411/0x2000 [ 8647.617711][ T7704] inet6_addr_add+0x30e/0xa40 [ 8647.617711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.617711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.617711][ T7704] netlink_rcv_skb+0x130/0x360 [ 8647.617711][ T7704] netlink_unicast+0x449/0x710 [ 8647.617711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8647.617711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8647.617711][ T7704] ___sys_sendmsg+0xee/0x170 [ 8647.617711][ T7704] __sys_sendmsg+0xcd/0x170 [ 8647.617711][ T7704] do_syscall_64+0xc6/0x1e0 [ 8647.617711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.617711][ T7704] [ 8647.619989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8647.619989][ T7704] netdev_get_by_index+0x5e/0x80 [ 8647.619989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8647.619989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8647.619989][ T7704] ip6_route_add+0x1c/0x140 [ 8647.619989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8647.619989][ T7704] addrconf_add_dev+0xe2/0x170 [ 8647.619989][ T7704] inet6_addr_add+0x12f/0xa40 [ 8647.619989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.619989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.619989][ T7704] netlink_rcv_skb+0x130/0x360 [ 8647.619989][ T7704] netlink_unicast+0x449/0x710 [ 8647.619989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8647.619989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8647.619989][ T7704] ___sys_sendmsg+0xee/0x170 [ 8647.619989][ T7704] __sys_sendmsg+0xcd/0x170 [ 8647.619989][ T7704] do_syscall_64+0xc6/0x1e0 [ 8647.619989][ T7704] [ 8647.622221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8647.622221][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8647.622221][ T7704] ipv6_find_idev+0x102/0x170 [ 8647.622221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.622221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.622221][ T7704] netlink_rcv_skb+0x130/0x360 [ 8647.622221][ T7704] netlink_unicast+0x449/0x710 [ 8647.622221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8647.622221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8647.622221][ T7704] ___sys_sendmsg+0xee/0x170 [ 8647.622221][ T7704] __sys_sendmsg+0xcd/0x170 [ 8647.622221][ T7704] do_syscall_64+0xc6/0x1e0 [ 8647.622221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.622221][ T7704] [ 8647.623960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8647.623960][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8647.623960][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8647.623960][ T7704] ipv6_find_idev+0x102/0x170 [ 8647.623960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.623960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.623960][ T7704] netlink_rcv_skb+0x130/0x360 [ 8647.623960][ T7704] netlink_unicast+0x449/0x710 [ 8647.623960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8647.623960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8647.623960][ T7704] ___sys_sendmsg+0xee/0x170 [ 8647.623960][ T7704] __sys_sendmsg+0xcd/0x170 [ 8647.623960][ T7704] do_syscall_64+0xc6/0x1e0 [ 8647.623960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.623960][ T7704] [ 8657.862874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8657.863406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8657.863406][ T7704] netdev_get_by_index+0x5e/0x80 [ 8657.863406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8657.863406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8657.863406][ T7704] ip6_route_add+0x1c/0x140 [ 8657.863406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8657.863406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8657.863406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.863406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.863406][ T7704] netlink_rcv_skb+0x130/0x360 [ 8657.863406][ T7704] netlink_unicast+0x449/0x710 [ 8657.863406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8657.863406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8657.863406][ T7704] ___sys_sendmsg+0xee/0x170 [ 8657.863406][ T7704] __sys_sendmsg+0xcd/0x170 [ 8657.863406][ T7704] do_syscall_64+0xc6/0x1e0 [ 8657.863406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.863406][ T7704] [ 8657.865699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8657.865699][ T7704] netdev_get_by_index+0x5e/0x80 [ 8657.865699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8657.865699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8657.865699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8657.865699][ T7704] ipv6_add_addr+0x411/0x2000 [ 8657.865699][ T7704] inet6_addr_add+0x30e/0xa40 [ 8657.865699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.865699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.865699][ T7704] netlink_rcv_skb+0x130/0x360 [ 8657.865699][ T7704] netlink_unicast+0x449/0x710 [ 8657.865699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8657.865699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8657.865699][ T7704] ___sys_sendmsg+0xee/0x170 [ 8657.865699][ T7704] __sys_sendmsg+0xcd/0x170 [ 8657.865699][ T7704] do_syscall_64+0xc6/0x1e0 [ 8657.865699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.865699][ T7704] [ 8657.867984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8657.867984][ T7704] netdev_get_by_index+0x5e/0x80 [ 8657.867984][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8657.867984][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8657.867984][ T7704] ip6_route_add+0x1c/0x140 [ 8657.867984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8657.867984][ T7704] addrconf_add_dev+0xe2/0x170 [ 8657.867984][ T7704] inet6_addr_add+0x12f/0xa40 [ 8657.867984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.867984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.867984][ T7704] netlink_rcv_skb+0x130/0x360 [ 8657.867984][ T7704] netlink_unicast+0x449/0x710 [ 8657.867984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8657.867984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8657.867984][ T7704] ___sys_sendmsg+0xee/0x170 [ 8657.867984][ T7704] __sys_sendmsg+0xcd/0x170 [ 8657.867984][ T7704] do_syscall_64+0xc6/0x1e0 [ 8657.867984][ T7704] [ 8657.870227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8657.870227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8657.870227][ T7704] ipv6_find_idev+0x102/0x170 [ 8657.870227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.870227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.870227][ T7704] netlink_rcv_skb+0x130/0x360 [ 8657.870227][ T7704] netlink_unicast+0x449/0x710 [ 8657.870227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8657.870227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8657.870227][ T7704] ___sys_sendmsg+0xee/0x170 [ 8657.870227][ T7704] __sys_sendmsg+0xcd/0x170 [ 8657.870227][ T7704] do_syscall_64+0xc6/0x1e0 [ 8657.870227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.870227][ T7704] [ 8657.871962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8657.871962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8657.871962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8657.871962][ T7704] ipv6_find_idev+0x102/0x170 [ 8657.871962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.871962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.871962][ T7704] netlink_rcv_skb+0x130/0x360 [ 8657.871962][ T7704] netlink_unicast+0x449/0x710 [ 8657.871962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8657.871962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8657.871962][ T7704] ___sys_sendmsg+0xee/0x170 [ 8657.871962][ T7704] __sys_sendmsg+0xcd/0x170 [ 8657.871962][ T7704] do_syscall_64+0xc6/0x1e0 [ 8657.871962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.871962][ T7704] [ 8668.110864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8668.111402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8668.111402][ T7704] netdev_get_by_index+0x5e/0x80 [ 8668.111402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8668.111402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8668.111402][ T7704] ip6_route_add+0x1c/0x140 [ 8668.111402][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8668.111402][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8668.111402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.111402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.111402][ T7704] netlink_rcv_skb+0x130/0x360 [ 8668.111402][ T7704] netlink_unicast+0x449/0x710 [ 8668.111402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8668.111402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8668.111402][ T7704] ___sys_sendmsg+0xee/0x170 [ 8668.111402][ T7704] __sys_sendmsg+0xcd/0x170 [ 8668.111402][ T7704] do_syscall_64+0xc6/0x1e0 [ 8668.111402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.111402][ T7704] [ 8668.113679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8668.113679][ T7704] netdev_get_by_index+0x5e/0x80 [ 8668.113679][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8668.113679][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8668.113679][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8668.113679][ T7704] ipv6_add_addr+0x411/0x2000 [ 8668.113679][ T7704] inet6_addr_add+0x30e/0xa40 [ 8668.113679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.113679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.113679][ T7704] netlink_rcv_skb+0x130/0x360 [ 8668.113679][ T7704] netlink_unicast+0x449/0x710 [ 8668.113679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8668.113679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8668.113679][ T7704] ___sys_sendmsg+0xee/0x170 [ 8668.113679][ T7704] __sys_sendmsg+0xcd/0x170 [ 8668.113679][ T7704] do_syscall_64+0xc6/0x1e0 [ 8668.113679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.113679][ T7704] [ 8668.115951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8668.115951][ T7704] netdev_get_by_index+0x5e/0x80 [ 8668.115951][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8668.115951][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8668.115951][ T7704] ip6_route_add+0x1c/0x140 [ 8668.115951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8668.115951][ T7704] addrconf_add_dev+0xe2/0x170 [ 8668.115951][ T7704] inet6_addr_add+0x12f/0xa40 [ 8668.115951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.115951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.115951][ T7704] netlink_rcv_skb+0x130/0x360 [ 8668.115951][ T7704] netlink_unicast+0x449/0x710 [ 8668.115951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8668.115951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8668.115951][ T7704] ___sys_sendmsg+0xee/0x170 [ 8668.115951][ T7704] __sys_sendmsg+0xcd/0x170 [ 8668.115951][ T7704] do_syscall_64+0xc6/0x1e0 [ 8668.115951][ T7704] [ 8668.118176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8668.118176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8668.118176][ T7704] ipv6_find_idev+0x102/0x170 [ 8668.118176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.118176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.118176][ T7704] netlink_rcv_skb+0x130/0x360 [ 8668.118176][ T7704] netlink_unicast+0x449/0x710 [ 8668.118176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8668.118176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8668.118176][ T7704] ___sys_sendmsg+0xee/0x170 [ 8668.118176][ T7704] __sys_sendmsg+0xcd/0x170 [ 8668.118176][ T7704] do_syscall_64+0xc6/0x1e0 [ 8668.118176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.118176][ T7704] [ 8668.119955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8668.119955][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8668.119955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8668.119955][ T7704] ipv6_find_idev+0x102/0x170 [ 8668.119955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.119955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.119955][ T7704] netlink_rcv_skb+0x130/0x360 [ 8668.119955][ T7704] netlink_unicast+0x449/0x710 [ 8668.119955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8668.119955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8668.119955][ T7704] ___sys_sendmsg+0xee/0x170 [ 8668.119955][ T7704] __sys_sendmsg+0xcd/0x170 [ 8668.119955][ T7704] do_syscall_64+0xc6/0x1e0 [ 8668.119955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.119955][ T7704] [ 8678.358992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8678.359486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8678.359486][ T7704] netdev_get_by_index+0x5e/0x80 [ 8678.359486][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8678.359486][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8678.359486][ T7704] ip6_route_add+0x1c/0x140 [ 8678.359486][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8678.359486][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8678.359486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8678.359486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8678.359486][ T7704] netlink_rcv_skb+0x130/0x360 [ 8678.359486][ T7704] netlink_unicast+0x449/0x710 [ 8678.359486][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8678.359486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8678.359486][ T7704] ___sys_sendmsg+0xee/0x170 [ 8678.359486][ T7704] __sys_sendmsg+0xcd/0x170 [ 8678.359486][ T7704] do_syscall_64+0xc6/0x1e0 [ 8678.359486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8678.359486][ T7704] [ 8678.361851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8678.361851][ T7704] netdev_get_by_index+0x5e/0x80 [ 8678.361851][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8678.361851][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8678.361851][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8678.361851][ T7704] ipv6_add_addr+0x411/0x2000 [ 8678.361851][ T7704] inet6_addr_add+0x30e/0xa40 [ 8678.361851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8678.361851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8678.361851][ T7704] netlink_rcv_skb+0x130/0x360 [ 8678.361851][ T7704] netlink_unicast+0x449/0x710 [ 8678.361851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8678.361851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8678.361851][ T7704] ___sys_sendmsg+0xee/0x170 [ 8678.361851][ T7704] __sys_sendmsg+0xcd/0x170 [ 8678.361851][ T7704] do_syscall_64+0xc6/0x1e0 [ 8678.361851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8678.361851][ T7704] [ 8678.364087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8678.364087][ T7704] netdev_get_by_index+0x5e/0x80 [ 8678.364087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8678.364087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8678.364087][ T7704] ip6_route_add+0x1c/0x140 [ 8678.364087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8678.364087][ T7704] addrconf_add_dev+0xe2/0x170 [ 8678.364087][ T7704] inet6_addr_add+0x12f/0xa40 [ 8678.364087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8678.364087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8678.364087][ T7704] netlink_rcv_skb+0x130/0x360 [ 8678.364087][ T7704] netlink_unicast+0x449/0x710 [ 8678.364087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8678.364087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8678.364087][ T7704] ___sys_sendmsg+0xee/0x170 [ 8678.364087][ T7704] __sys_sendmsg+0xcd/0x170 [ 8678.364087][ T7704] do_syscall_64+0xc6/0x1e0 [ 8678.364087][ T7704] [ 8678.366288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8678.366288][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8678.366288][ T7704] ipv6_find_idev+0x102/0x170 [ 8678.366288][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8678.366288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8678.366288][ T7704] netlink_rcv_skb+0x130/0x360 [ 8678.366288][ T7704] netlink_unicast+0x449/0x710 [ 8678.366288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8678.366288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8678.366288][ T7704] ___sys_sendmsg+0xee/0x170 [ 8678.366288][ T7704] __sys_sendmsg+0xcd/0x170 [ 8678.366288][ T7704] do_syscall_64+0xc6/0x1e0 [ 8678.366288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8678.366288][ T7704] [ 8678.368025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8678.368025][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8678.368025][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8678.368025][ T7704] ipv6_find_idev+0x102/0x170 [ 8678.368025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8678.368025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8678.368025][ T7704] netlink_rcv_skb+0x130/0x360 [ 8678.368025][ T7704] netlink_unicast+0x449/0x710 [ 8678.368025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8678.368025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8678.368025][ T7704] ___sys_sendmsg+0xee/0x170 [ 8678.368025][ T7704] __sys_sendmsg+0xcd/0x170 [ 8678.368025][ T7704] do_syscall_64+0xc6/0x1e0 [ 8678.368025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8678.368025][ T7704] [ 8688.607023][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8688.607521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8688.607521][ T7704] netdev_get_by_index+0x5e/0x80 [ 8688.607521][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8688.607521][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8688.607521][ T7704] ip6_route_add+0x1c/0x140 [ 8688.607521][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8688.607521][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8688.607521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.607521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.607521][ T7704] netlink_rcv_skb+0x130/0x360 [ 8688.607521][ T7704] netlink_unicast+0x449/0x710 [ 8688.607521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8688.607521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8688.607521][ T7704] ___sys_sendmsg+0xee/0x170 [ 8688.607521][ T7704] __sys_sendmsg+0xcd/0x170 [ 8688.607521][ T7704] do_syscall_64+0xc6/0x1e0 [ 8688.607521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.607521][ T7704] [ 8688.609777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8688.609777][ T7704] netdev_get_by_index+0x5e/0x80 [ 8688.609777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8688.609777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8688.609777][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8688.609777][ T7704] ipv6_add_addr+0x411/0x2000 [ 8688.609777][ T7704] inet6_addr_add+0x30e/0xa40 [ 8688.609777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.609777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.609777][ T7704] netlink_rcv_skb+0x130/0x360 [ 8688.609777][ T7704] netlink_unicast+0x449/0x710 [ 8688.609777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8688.609777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8688.609777][ T7704] ___sys_sendmsg+0xee/0x170 [ 8688.609777][ T7704] __sys_sendmsg+0xcd/0x170 [ 8688.609777][ T7704] do_syscall_64+0xc6/0x1e0 [ 8688.609777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.609777][ T7704] [ 8688.612018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8688.612018][ T7704] netdev_get_by_index+0x5e/0x80 [ 8688.612018][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8688.612018][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8688.612018][ T7704] ip6_route_add+0x1c/0x140 [ 8688.612018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8688.612018][ T7704] addrconf_add_dev+0xe2/0x170 [ 8688.612018][ T7704] inet6_addr_add+0x12f/0xa40 [ 8688.612018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.612018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.612018][ T7704] netlink_rcv_skb+0x130/0x360 [ 8688.612018][ T7704] netlink_unicast+0x449/0x710 [ 8688.612018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8688.612018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8688.612018][ T7704] ___sys_sendmsg+0xee/0x170 [ 8688.612018][ T7704] __sys_sendmsg+0xcd/0x170 [ 8688.612018][ T7704] do_syscall_64+0xc6/0x1e0 [ 8688.612018][ T7704] [ 8688.614203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8688.614203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8688.614203][ T7704] ipv6_find_idev+0x102/0x170 [ 8688.614203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8688.614203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.614203][ T7704] netlink_rcv_skb+0x130/0x360 [ 8688.614203][ T7704] netlink_unicast+0x449/0x710 [ 8688.614203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8688.614203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8688.614203][ T7704] ___sys_sendmsg+0xee/0x170 [ 8688.614203][ T7704] __sys_sendmsg+0xcd/0x170 [ 8688.614203][ T7704] do_syscall_64+0xc6/0x1e0 [ 8688.614203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.614203][ T7704] [ 8688.615913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8688.615913][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8688.615913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8688.615913][ T7704] ipv6_find_idev+0x102/0x170 [ 8688.615913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8688.615913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.615913][ T7704] netlink_rcv_skb+0x130/0x360 [ 8688.615913][ T7704] netlink_unicast+0x449/0x710 [ 8688.615913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8688.615913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8688.615913][ T7704] ___sys_sendmsg+0xee/0x170 [ 8688.615913][ T7704] __sys_sendmsg+0xcd/0x170 [ 8688.615913][ T7704] do_syscall_64+0xc6/0x1e0 [ 8688.615913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.615913][ T7704] [ 8698.791007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8698.791514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8698.791514][ T7704] netdev_get_by_index+0x5e/0x80 [ 8698.791514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8698.791514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8698.791514][ T7704] ip6_route_add+0x1c/0x140 [ 8698.791514][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8698.791514][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8698.791514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.791514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.791514][ T7704] netlink_rcv_skb+0x130/0x360 [ 8698.791514][ T7704] netlink_unicast+0x449/0x710 [ 8698.791514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8698.791514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8698.791514][ T7704] ___sys_sendmsg+0xee/0x170 [ 8698.791514][ T7704] __sys_sendmsg+0xcd/0x170 [ 8698.791514][ T7704] do_syscall_64+0xc6/0x1e0 [ 8698.791514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.791514][ T7704] [ 8698.793904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8698.793904][ T7704] netdev_get_by_index+0x5e/0x80 [ 8698.793904][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8698.793904][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8698.793904][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8698.793904][ T7704] ipv6_add_addr+0x411/0x2000 [ 8698.793904][ T7704] inet6_addr_add+0x30e/0xa40 [ 8698.793904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.793904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.793904][ T7704] netlink_rcv_skb+0x130/0x360 [ 8698.793904][ T7704] netlink_unicast+0x449/0x710 [ 8698.793904][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8698.793904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8698.793904][ T7704] ___sys_sendmsg+0xee/0x170 [ 8698.793904][ T7704] __sys_sendmsg+0xcd/0x170 [ 8698.793904][ T7704] do_syscall_64+0xc6/0x1e0 [ 8698.793904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.793904][ T7704] [ 8698.796121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8698.796121][ T7704] netdev_get_by_index+0x5e/0x80 [ 8698.796121][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8698.796121][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8698.796121][ T7704] ip6_route_add+0x1c/0x140 [ 8698.796121][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8698.796121][ T7704] addrconf_add_dev+0xe2/0x170 [ 8698.796121][ T7704] inet6_addr_add+0x12f/0xa40 [ 8698.796121][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.796121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.796121][ T7704] netlink_rcv_skb+0x130/0x360 [ 8698.796121][ T7704] netlink_unicast+0x449/0x710 [ 8698.796121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8698.796121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8698.796121][ T7704] ___sys_sendmsg+0xee/0x170 [ 8698.796121][ T7704] __sys_sendmsg+0xcd/0x170 [ 8698.796121][ T7704] do_syscall_64+0xc6/0x1e0 [ 8698.796121][ T7704] [ 8698.798297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8698.798297][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8698.798297][ T7704] ipv6_find_idev+0x102/0x170 [ 8698.798297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8698.798297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.798297][ T7704] netlink_rcv_skb+0x130/0x360 [ 8698.798297][ T7704] netlink_unicast+0x449/0x710 [ 8698.798297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8698.798297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8698.798297][ T7704] ___sys_sendmsg+0xee/0x170 [ 8698.798297][ T7704] __sys_sendmsg+0xcd/0x170 [ 8698.798297][ T7704] do_syscall_64+0xc6/0x1e0 [ 8698.798297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.798297][ T7704] [ 8698.800015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8698.800015][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8698.800015][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8698.800015][ T7704] ipv6_find_idev+0x102/0x170 [ 8698.800015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8698.800015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.800015][ T7704] netlink_rcv_skb+0x130/0x360 [ 8698.800015][ T7704] netlink_unicast+0x449/0x710 [ 8698.800015][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8698.800015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8698.800015][ T7704] ___sys_sendmsg+0xee/0x170 [ 8698.800015][ T7704] __sys_sendmsg+0xcd/0x170 [ 8698.800015][ T7704] do_syscall_64+0xc6/0x1e0 [ 8698.800015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.800015][ T7704] [ 8708.966930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8708.967438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8708.967438][ T7704] netdev_get_by_index+0x5e/0x80 [ 8708.967438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8708.967438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8708.967438][ T7704] ip6_route_add+0x1c/0x140 [ 8708.967438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8708.967438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8708.967438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.967438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.967438][ T7704] netlink_rcv_skb+0x130/0x360 [ 8708.967438][ T7704] netlink_unicast+0x449/0x710 [ 8708.967438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8708.967438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8708.967438][ T7704] ___sys_sendmsg+0xee/0x170 [ 8708.967438][ T7704] __sys_sendmsg+0xcd/0x170 [ 8708.967438][ T7704] do_syscall_64+0xc6/0x1e0 [ 8708.967438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.967438][ T7704] [ 8708.969698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8708.969698][ T7704] netdev_get_by_index+0x5e/0x80 [ 8708.969698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8708.969698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8708.969698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8708.969698][ T7704] ipv6_add_addr+0x411/0x2000 [ 8708.969698][ T7704] inet6_addr_add+0x30e/0xa40 [ 8708.969698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.969698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.969698][ T7704] netlink_rcv_skb+0x130/0x360 [ 8708.969698][ T7704] netlink_unicast+0x449/0x710 [ 8708.969698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8708.969698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8708.969698][ T7704] ___sys_sendmsg+0xee/0x170 [ 8708.969698][ T7704] __sys_sendmsg+0xcd/0x170 [ 8708.969698][ T7704] do_syscall_64+0xc6/0x1e0 [ 8708.969698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.969698][ T7704] [ 8708.971928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8708.971928][ T7704] netdev_get_by_index+0x5e/0x80 [ 8708.971928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8708.971928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8708.971928][ T7704] ip6_route_add+0x1c/0x140 [ 8708.971928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8708.971928][ T7704] addrconf_add_dev+0xe2/0x170 [ 8708.971928][ T7704] inet6_addr_add+0x12f/0xa40 [ 8708.971928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.971928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.971928][ T7704] netlink_rcv_skb+0x130/0x360 [ 8708.971928][ T7704] netlink_unicast+0x449/0x710 [ 8708.971928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8708.971928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8708.971928][ T7704] ___sys_sendmsg+0xee/0x170 [ 8708.971928][ T7704] __sys_sendmsg+0xcd/0x170 [ 8708.971928][ T7704] do_syscall_64+0xc6/0x1e0 [ 8708.971928][ T7704] [ 8708.974119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8708.974119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8708.974119][ T7704] ipv6_find_idev+0x102/0x170 [ 8708.974119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8708.974119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.974119][ T7704] netlink_rcv_skb+0x130/0x360 [ 8708.974119][ T7704] netlink_unicast+0x449/0x710 [ 8708.974119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8708.974119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8708.974119][ T7704] ___sys_sendmsg+0xee/0x170 [ 8708.974119][ T7704] __sys_sendmsg+0xcd/0x170 [ 8708.974119][ T7704] do_syscall_64+0xc6/0x1e0 [ 8708.974119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.974119][ T7704] [ 8708.975834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8708.975834][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8708.975834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8708.975834][ T7704] ipv6_find_idev+0x102/0x170 [ 8708.975834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8708.975834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.975834][ T7704] netlink_rcv_skb+0x130/0x360 [ 8708.975834][ T7704] netlink_unicast+0x449/0x710 [ 8708.975834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8708.975834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8708.975834][ T7704] ___sys_sendmsg+0xee/0x170 [ 8708.975834][ T7704] __sys_sendmsg+0xcd/0x170 [ 8708.975834][ T7704] do_syscall_64+0xc6/0x1e0 [ 8708.975834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.975834][ T7704] [ 8719.054957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8719.055407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8719.055407][ T7704] netdev_get_by_index+0x5e/0x80 [ 8719.055407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8719.055407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8719.055407][ T7704] ip6_route_add+0x1c/0x140 [ 8719.055407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8719.055407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8719.055407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.055407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.055407][ T7704] netlink_rcv_skb+0x130/0x360 [ 8719.055407][ T7704] netlink_unicast+0x449/0x710 [ 8719.055407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8719.055407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8719.055407][ T7704] ___sys_sendmsg+0xee/0x170 [ 8719.055407][ T7704] __sys_sendmsg+0xcd/0x170 [ 8719.055407][ T7704] do_syscall_64+0xc6/0x1e0 [ 8719.055407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.055407][ T7704] [ 8719.057649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8719.057649][ T7704] netdev_get_by_index+0x5e/0x80 [ 8719.057649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8719.057649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8719.057649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8719.057649][ T7704] ipv6_add_addr+0x411/0x2000 [ 8719.057649][ T7704] inet6_addr_add+0x30e/0xa40 [ 8719.057649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.057649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.057649][ T7704] netlink_rcv_skb+0x130/0x360 [ 8719.057649][ T7704] netlink_unicast+0x449/0x710 [ 8719.057649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8719.057649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8719.057649][ T7704] ___sys_sendmsg+0xee/0x170 [ 8719.057649][ T7704] __sys_sendmsg+0xcd/0x170 [ 8719.057649][ T7704] do_syscall_64+0xc6/0x1e0 [ 8719.057649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.057649][ T7704] [ 8719.059893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8719.059893][ T7704] netdev_get_by_index+0x5e/0x80 [ 8719.059893][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8719.059893][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8719.059893][ T7704] ip6_route_add+0x1c/0x140 [ 8719.059893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8719.059893][ T7704] addrconf_add_dev+0xe2/0x170 [ 8719.059893][ T7704] inet6_addr_add+0x12f/0xa40 [ 8719.059893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.059893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.059893][ T7704] netlink_rcv_skb+0x130/0x360 [ 8719.059893][ T7704] netlink_unicast+0x449/0x710 [ 8719.059893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8719.059893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8719.059893][ T7704] ___sys_sendmsg+0xee/0x170 [ 8719.059893][ T7704] __sys_sendmsg+0xcd/0x170 [ 8719.059893][ T7704] do_syscall_64+0xc6/0x1e0 [ 8719.059893][ T7704] [ 8719.062098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8719.062098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8719.062098][ T7704] ipv6_find_idev+0x102/0x170 [ 8719.062098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.062098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.062098][ T7704] netlink_rcv_skb+0x130/0x360 [ 8719.062098][ T7704] netlink_unicast+0x449/0x710 [ 8719.062098][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8719.062098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8719.062098][ T7704] ___sys_sendmsg+0xee/0x170 [ 8719.062098][ T7704] __sys_sendmsg+0xcd/0x170 [ 8719.062098][ T7704] do_syscall_64+0xc6/0x1e0 [ 8719.062098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.062098][ T7704] [ 8719.063822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8719.063822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8719.063822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8719.063822][ T7704] ipv6_find_idev+0x102/0x170 [ 8719.063822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.063822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.063822][ T7704] netlink_rcv_skb+0x130/0x360 [ 8719.063822][ T7704] netlink_unicast+0x449/0x710 [ 8719.063822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8719.063822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8719.063822][ T7704] ___sys_sendmsg+0xee/0x170 [ 8719.063822][ T7704] __sys_sendmsg+0xcd/0x170 [ 8719.063822][ T7704] do_syscall_64+0xc6/0x1e0 [ 8719.063822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.063822][ T7704] [ 8729.174958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8729.175457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8729.175457][ T7704] netdev_get_by_index+0x5e/0x80 [ 8729.175457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8729.175457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8729.175457][ T7704] ip6_route_add+0x1c/0x140 [ 8729.175457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8729.175457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8729.175457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.175457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.175457][ T7704] netlink_rcv_skb+0x130/0x360 [ 8729.175457][ T7704] netlink_unicast+0x449/0x710 [ 8729.175457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8729.175457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8729.175457][ T7704] ___sys_sendmsg+0xee/0x170 [ 8729.175457][ T7704] __sys_sendmsg+0xcd/0x170 [ 8729.175457][ T7704] do_syscall_64+0xc6/0x1e0 [ 8729.175457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.175457][ T7704] [ 8729.177707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8729.177707][ T7704] netdev_get_by_index+0x5e/0x80 [ 8729.177707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8729.177707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8729.177707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8729.177707][ T7704] ipv6_add_addr+0x411/0x2000 [ 8729.177707][ T7704] inet6_addr_add+0x30e/0xa40 [ 8729.177707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.177707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.177707][ T7704] netlink_rcv_skb+0x130/0x360 [ 8729.177707][ T7704] netlink_unicast+0x449/0x710 [ 8729.177707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8729.177707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8729.177707][ T7704] ___sys_sendmsg+0xee/0x170 [ 8729.177707][ T7704] __sys_sendmsg+0xcd/0x170 [ 8729.177707][ T7704] do_syscall_64+0xc6/0x1e0 [ 8729.177707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.177707][ T7704] [ 8729.179936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8729.179936][ T7704] netdev_get_by_index+0x5e/0x80 [ 8729.179936][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8729.179936][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8729.179936][ T7704] ip6_route_add+0x1c/0x140 [ 8729.179936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8729.179936][ T7704] addrconf_add_dev+0xe2/0x170 [ 8729.179936][ T7704] inet6_addr_add+0x12f/0xa40 [ 8729.179936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.179936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.179936][ T7704] netlink_rcv_skb+0x130/0x360 [ 8729.179936][ T7704] netlink_unicast+0x449/0x710 [ 8729.179936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8729.179936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8729.179936][ T7704] ___sys_sendmsg+0xee/0x170 [ 8729.179936][ T7704] __sys_sendmsg+0xcd/0x170 [ 8729.179936][ T7704] do_syscall_64+0xc6/0x1e0 [ 8729.179936][ T7704] [ 8729.182113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8729.182113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8729.182113][ T7704] ipv6_find_idev+0x102/0x170 [ 8729.182113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8729.182113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.182113][ T7704] netlink_rcv_skb+0x130/0x360 [ 8729.182113][ T7704] netlink_unicast+0x449/0x710 [ 8729.182113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8729.182113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8729.182113][ T7704] ___sys_sendmsg+0xee/0x170 [ 8729.182113][ T7704] __sys_sendmsg+0xcd/0x170 [ 8729.182113][ T7704] do_syscall_64+0xc6/0x1e0 [ 8729.182113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.182113][ T7704] [ 8729.183819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8729.183819][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8729.183819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8729.183819][ T7704] ipv6_find_idev+0x102/0x170 [ 8729.183819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8729.183819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.183819][ T7704] netlink_rcv_skb+0x130/0x360 [ 8729.183819][ T7704] netlink_unicast+0x449/0x710 [ 8729.183819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8729.183819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8729.183819][ T7704] ___sys_sendmsg+0xee/0x170 [ 8729.183819][ T7704] __sys_sendmsg+0xcd/0x170 [ 8729.183819][ T7704] do_syscall_64+0xc6/0x1e0 [ 8729.183819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.183819][ T7704] [ 8739.422930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8739.423444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8739.423444][ T7704] netdev_get_by_index+0x5e/0x80 [ 8739.423444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8739.423444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8739.423444][ T7704] ip6_route_add+0x1c/0x140 [ 8739.423444][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8739.423444][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8739.423444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.423444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.423444][ T7704] netlink_rcv_skb+0x130/0x360 [ 8739.423444][ T7704] netlink_unicast+0x449/0x710 [ 8739.423444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8739.423444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8739.423444][ T7704] ___sys_sendmsg+0xee/0x170 [ 8739.423444][ T7704] __sys_sendmsg+0xcd/0x170 [ 8739.423444][ T7704] do_syscall_64+0xc6/0x1e0 [ 8739.423444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.423444][ T7704] [ 8739.425694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8739.425694][ T7704] netdev_get_by_index+0x5e/0x80 [ 8739.425694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8739.425694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8739.425694][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8739.425694][ T7704] ipv6_add_addr+0x411/0x2000 [ 8739.425694][ T7704] inet6_addr_add+0x30e/0xa40 [ 8739.425694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.425694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.425694][ T7704] netlink_rcv_skb+0x130/0x360 [ 8739.425694][ T7704] netlink_unicast+0x449/0x710 [ 8739.425694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8739.425694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8739.425694][ T7704] ___sys_sendmsg+0xee/0x170 [ 8739.425694][ T7704] __sys_sendmsg+0xcd/0x170 [ 8739.425694][ T7704] do_syscall_64+0xc6/0x1e0 [ 8739.425694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.425694][ T7704] [ 8739.428057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8739.428057][ T7704] netdev_get_by_index+0x5e/0x80 [ 8739.428057][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8739.428057][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8739.428057][ T7704] ip6_route_add+0x1c/0x140 [ 8739.428057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8739.428057][ T7704] addrconf_add_dev+0xe2/0x170 [ 8739.428057][ T7704] inet6_addr_add+0x12f/0xa40 [ 8739.428057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.428057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.428057][ T7704] netlink_rcv_skb+0x130/0x360 [ 8739.428057][ T7704] netlink_unicast+0x449/0x710 [ 8739.428057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8739.428057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8739.428057][ T7704] ___sys_sendmsg+0xee/0x170 [ 8739.428057][ T7704] __sys_sendmsg+0xcd/0x170 [ 8739.428057][ T7704] do_syscall_64+0xc6/0x1e0 [ 8739.428057][ T7704] [ 8739.430290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8739.430290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8739.430290][ T7704] ipv6_find_idev+0x102/0x170 [ 8739.430290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8739.430290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.430290][ T7704] netlink_rcv_skb+0x130/0x360 [ 8739.430290][ T7704] netlink_unicast+0x449/0x710 [ 8739.430290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8739.430290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8739.430290][ T7704] ___sys_sendmsg+0xee/0x170 [ 8739.430290][ T7704] __sys_sendmsg+0xcd/0x170 [ 8739.430290][ T7704] do_syscall_64+0xc6/0x1e0 [ 8739.430290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.430290][ T7704] [ 8739.432000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8739.432000][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8739.432000][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8739.432000][ T7704] ipv6_find_idev+0x102/0x170 [ 8739.432000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8739.432000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.432000][ T7704] netlink_rcv_skb+0x130/0x360 [ 8739.432000][ T7704] netlink_unicast+0x449/0x710 [ 8739.432000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8739.432000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8739.432000][ T7704] ___sys_sendmsg+0xee/0x170 [ 8739.432000][ T7704] __sys_sendmsg+0xcd/0x170 [ 8739.432000][ T7704] do_syscall_64+0xc6/0x1e0 [ 8739.432000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.432000][ T7704] [ 8749.502962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8749.503459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8749.503459][ T7704] netdev_get_by_index+0x5e/0x80 [ 8749.503459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8749.503459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8749.503459][ T7704] ip6_route_add+0x1c/0x140 [ 8749.503459][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8749.503459][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8749.503459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.503459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.503459][ T7704] netlink_rcv_skb+0x130/0x360 [ 8749.503459][ T7704] netlink_unicast+0x449/0x710 [ 8749.503459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8749.503459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8749.503459][ T7704] ___sys_sendmsg+0xee/0x170 [ 8749.503459][ T7704] __sys_sendmsg+0xcd/0x170 [ 8749.503459][ T7704] do_syscall_64+0xc6/0x1e0 [ 8749.503459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.503459][ T7704] [ 8749.505711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8749.505711][ T7704] netdev_get_by_index+0x5e/0x80 [ 8749.505711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8749.505711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8749.505711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8749.505711][ T7704] ipv6_add_addr+0x411/0x2000 [ 8749.505711][ T7704] inet6_addr_add+0x30e/0xa40 [ 8749.505711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.505711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.505711][ T7704] netlink_rcv_skb+0x130/0x360 [ 8749.505711][ T7704] netlink_unicast+0x449/0x710 [ 8749.505711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8749.505711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8749.505711][ T7704] ___sys_sendmsg+0xee/0x170 [ 8749.505711][ T7704] __sys_sendmsg+0xcd/0x170 [ 8749.505711][ T7704] do_syscall_64+0xc6/0x1e0 [ 8749.505711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.505711][ T7704] [ 8749.508309][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8749.508309][ T7704] netdev_get_by_index+0x5e/0x80 [ 8749.508309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8749.508309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8749.508309][ T7704] ip6_route_add+0x1c/0x140 [ 8749.508309][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8749.508309][ T7704] addrconf_add_dev+0xe2/0x170 [ 8749.508309][ T7704] inet6_addr_add+0x12f/0xa40 [ 8749.508309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.508309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.508309][ T7704] netlink_rcv_skb+0x130/0x360 [ 8749.508309][ T7704] netlink_unicast+0x449/0x710 [ 8749.508309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8749.508309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8749.508309][ T7704] ___sys_sendmsg+0xee/0x170 [ 8749.508309][ T7704] __sys_sendmsg+0xcd/0x170 [ 8749.508309][ T7704] do_syscall_64+0xc6/0x1e0 [ 8749.508309][ T7704] [ 8749.510493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8749.510493][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8749.510493][ T7704] ipv6_find_idev+0x102/0x170 [ 8749.510493][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8749.510493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.510493][ T7704] netlink_rcv_skb+0x130/0x360 [ 8749.510493][ T7704] netlink_unicast+0x449/0x710 [ 8749.510493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8749.510493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8749.510493][ T7704] ___sys_sendmsg+0xee/0x170 [ 8749.510493][ T7704] __sys_sendmsg+0xcd/0x170 [ 8749.510493][ T7704] do_syscall_64+0xc6/0x1e0 [ 8749.510493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.510493][ T7704] [ 8749.512200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8749.512200][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8749.512200][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8749.512200][ T7704] ipv6_find_idev+0x102/0x170 [ 8749.512200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8749.512200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.512200][ T7704] netlink_rcv_skb+0x130/0x360 [ 8749.512200][ T7704] netlink_unicast+0x449/0x710 [ 8749.512200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8749.512200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8749.512200][ T7704] ___sys_sendmsg+0xee/0x170 [ 8749.512200][ T7704] __sys_sendmsg+0xcd/0x170 [ 8749.512200][ T7704] do_syscall_64+0xc6/0x1e0 [ 8749.512200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.512200][ T7704] [ 8759.750938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8759.751437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8759.751437][ T7704] netdev_get_by_index+0x5e/0x80 [ 8759.751437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8759.751437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8759.751437][ T7704] ip6_route_add+0x1c/0x140 [ 8759.751437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8759.751437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8759.751437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.751437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.751437][ T7704] netlink_rcv_skb+0x130/0x360 [ 8759.751437][ T7704] netlink_unicast+0x449/0x710 [ 8759.751437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8759.751437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8759.751437][ T7704] ___sys_sendmsg+0xee/0x170 [ 8759.751437][ T7704] __sys_sendmsg+0xcd/0x170 [ 8759.751437][ T7704] do_syscall_64+0xc6/0x1e0 [ 8759.751437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.751437][ T7704] [ 8759.753692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8759.753692][ T7704] netdev_get_by_index+0x5e/0x80 [ 8759.753692][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8759.753692][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8759.753692][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8759.753692][ T7704] ipv6_add_addr+0x411/0x2000 [ 8759.753692][ T7704] inet6_addr_add+0x30e/0xa40 [ 8759.753692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.753692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.753692][ T7704] netlink_rcv_skb+0x130/0x360 [ 8759.753692][ T7704] netlink_unicast+0x449/0x710 [ 8759.753692][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8759.753692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8759.753692][ T7704] ___sys_sendmsg+0xee/0x170 [ 8759.753692][ T7704] __sys_sendmsg+0xcd/0x170 [ 8759.753692][ T7704] do_syscall_64+0xc6/0x1e0 [ 8759.753692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.753692][ T7704] [ 8759.755913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8759.755913][ T7704] netdev_get_by_index+0x5e/0x80 [ 8759.755913][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8759.755913][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8759.755913][ T7704] ip6_route_add+0x1c/0x140 [ 8759.755913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8759.755913][ T7704] addrconf_add_dev+0xe2/0x170 [ 8759.755913][ T7704] inet6_addr_add+0x12f/0xa40 [ 8759.755913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.755913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.755913][ T7704] netlink_rcv_skb+0x130/0x360 [ 8759.755913][ T7704] netlink_unicast+0x449/0x710 [ 8759.755913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8759.755913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8759.755913][ T7704] ___sys_sendmsg+0xee/0x170 [ 8759.755913][ T7704] __sys_sendmsg+0xcd/0x170 [ 8759.755913][ T7704] do_syscall_64+0xc6/0x1e0 [ 8759.755913][ T7704] [ 8759.758113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8759.758113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8759.758113][ T7704] ipv6_find_idev+0x102/0x170 [ 8759.758113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8759.758113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.758113][ T7704] netlink_rcv_skb+0x130/0x360 [ 8759.758113][ T7704] netlink_unicast+0x449/0x710 [ 8759.758113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8759.758113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8759.758113][ T7704] ___sys_sendmsg+0xee/0x170 [ 8759.758113][ T7704] __sys_sendmsg+0xcd/0x170 [ 8759.758113][ T7704] do_syscall_64+0xc6/0x1e0 [ 8759.758113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.758113][ T7704] [ 8759.759855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8759.759855][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8759.759855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8759.759855][ T7704] ipv6_find_idev+0x102/0x170 [ 8759.759855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8759.759855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.759855][ T7704] netlink_rcv_skb+0x130/0x360 [ 8759.759855][ T7704] netlink_unicast+0x449/0x710 [ 8759.759855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8759.759855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8759.759855][ T7704] ___sys_sendmsg+0xee/0x170 [ 8759.759855][ T7704] __sys_sendmsg+0xcd/0x170 [ 8759.759855][ T7704] do_syscall_64+0xc6/0x1e0 [ 8759.759855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.759855][ T7704] [ 8769.998938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8769.999449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8769.999449][ T7704] netdev_get_by_index+0x5e/0x80 [ 8769.999449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8769.999449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8769.999449][ T7704] ip6_route_add+0x1c/0x140 [ 8769.999449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8769.999449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8769.999449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8769.999449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8769.999449][ T7704] netlink_rcv_skb+0x130/0x360 [ 8769.999449][ T7704] netlink_unicast+0x449/0x710 [ 8769.999449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8769.999449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8769.999449][ T7704] ___sys_sendmsg+0xee/0x170 [ 8769.999449][ T7704] __sys_sendmsg+0xcd/0x170 [ 8769.999449][ T7704] do_syscall_64+0xc6/0x1e0 [ 8769.999449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8769.999449][ T7704] [ 8770.001702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8770.001702][ T7704] netdev_get_by_index+0x5e/0x80 [ 8770.001702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8770.001702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8770.001702][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8770.001702][ T7704] ipv6_add_addr+0x411/0x2000 [ 8770.001702][ T7704] inet6_addr_add+0x30e/0xa40 [ 8770.001702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.001702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.001702][ T7704] netlink_rcv_skb+0x130/0x360 [ 8770.001702][ T7704] netlink_unicast+0x449/0x710 [ 8770.001702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8770.001702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8770.001702][ T7704] ___sys_sendmsg+0xee/0x170 [ 8770.001702][ T7704] __sys_sendmsg+0xcd/0x170 [ 8770.001702][ T7704] do_syscall_64+0xc6/0x1e0 [ 8770.001702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.001702][ T7704] [ 8770.003937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8770.003937][ T7704] netdev_get_by_index+0x5e/0x80 [ 8770.003937][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8770.003937][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8770.003937][ T7704] ip6_route_add+0x1c/0x140 [ 8770.003937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8770.003937][ T7704] addrconf_add_dev+0xe2/0x170 [ 8770.003937][ T7704] inet6_addr_add+0x12f/0xa40 [ 8770.003937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.003937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.003937][ T7704] netlink_rcv_skb+0x130/0x360 [ 8770.003937][ T7704] netlink_unicast+0x449/0x710 [ 8770.003937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8770.003937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8770.003937][ T7704] ___sys_sendmsg+0xee/0x170 [ 8770.003937][ T7704] __sys_sendmsg+0xcd/0x170 [ 8770.003937][ T7704] do_syscall_64+0xc6/0x1e0 [ 8770.003937][ T7704] [ 8770.006125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8770.006125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8770.006125][ T7704] ipv6_find_idev+0x102/0x170 [ 8770.006125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.006125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.006125][ T7704] netlink_rcv_skb+0x130/0x360 [ 8770.006125][ T7704] netlink_unicast+0x449/0x710 [ 8770.006125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8770.006125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8770.006125][ T7704] ___sys_sendmsg+0xee/0x170 [ 8770.006125][ T7704] __sys_sendmsg+0xcd/0x170 [ 8770.006125][ T7704] do_syscall_64+0xc6/0x1e0 [ 8770.006125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.006125][ T7704] [ 8770.007834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8770.007834][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8770.007834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8770.007834][ T7704] ipv6_find_idev+0x102/0x170 [ 8770.007834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.007834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.007834][ T7704] netlink_rcv_skb+0x130/0x360 [ 8770.007834][ T7704] netlink_unicast+0x449/0x710 [ 8770.007834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8770.007834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8770.007834][ T7704] ___sys_sendmsg+0xee/0x170 [ 8770.007834][ T7704] __sys_sendmsg+0xcd/0x170 [ 8770.007834][ T7704] do_syscall_64+0xc6/0x1e0 [ 8770.007834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.007834][ T7704] [ 8780.030936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8780.031448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8780.031448][ T7704] netdev_get_by_index+0x5e/0x80 [ 8780.031448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8780.031448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8780.031448][ T7704] ip6_route_add+0x1c/0x140 [ 8780.031448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8780.031448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8780.031448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.031448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.031448][ T7704] netlink_rcv_skb+0x130/0x360 [ 8780.031448][ T7704] netlink_unicast+0x449/0x710 [ 8780.031448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8780.031448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8780.031448][ T7704] ___sys_sendmsg+0xee/0x170 [ 8780.031448][ T7704] __sys_sendmsg+0xcd/0x170 [ 8780.031448][ T7704] do_syscall_64+0xc6/0x1e0 [ 8780.031448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.031448][ T7704] [ 8780.033707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8780.033707][ T7704] netdev_get_by_index+0x5e/0x80 [ 8780.033707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8780.033707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8780.033707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8780.033707][ T7704] ipv6_add_addr+0x411/0x2000 [ 8780.033707][ T7704] inet6_addr_add+0x30e/0xa40 [ 8780.033707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.033707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.033707][ T7704] netlink_rcv_skb+0x130/0x360 [ 8780.033707][ T7704] netlink_unicast+0x449/0x710 [ 8780.033707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8780.033707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8780.033707][ T7704] ___sys_sendmsg+0xee/0x170 [ 8780.033707][ T7704] __sys_sendmsg+0xcd/0x170 [ 8780.033707][ T7704] do_syscall_64+0xc6/0x1e0 [ 8780.033707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.033707][ T7704] [ 8780.035945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8780.035945][ T7704] netdev_get_by_index+0x5e/0x80 [ 8780.035945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8780.035945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8780.035945][ T7704] ip6_route_add+0x1c/0x140 [ 8780.035945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8780.035945][ T7704] addrconf_add_dev+0xe2/0x170 [ 8780.035945][ T7704] inet6_addr_add+0x12f/0xa40 [ 8780.035945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.035945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.035945][ T7704] netlink_rcv_skb+0x130/0x360 [ 8780.035945][ T7704] netlink_unicast+0x449/0x710 [ 8780.035945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8780.035945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8780.035945][ T7704] ___sys_sendmsg+0xee/0x170 [ 8780.035945][ T7704] __sys_sendmsg+0xcd/0x170 [ 8780.035945][ T7704] do_syscall_64+0xc6/0x1e0 [ 8780.035945][ T7704] [ 8780.038195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8780.038195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8780.038195][ T7704] ipv6_find_idev+0x102/0x170 [ 8780.038195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.038195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.038195][ T7704] netlink_rcv_skb+0x130/0x360 [ 8780.038195][ T7704] netlink_unicast+0x449/0x710 [ 8780.038195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8780.038195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8780.038195][ T7704] ___sys_sendmsg+0xee/0x170 [ 8780.038195][ T7704] __sys_sendmsg+0xcd/0x170 [ 8780.038195][ T7704] do_syscall_64+0xc6/0x1e0 [ 8780.038195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.038195][ T7704] [ 8780.039913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8780.039913][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8780.039913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8780.039913][ T7704] ipv6_find_idev+0x102/0x170 [ 8780.039913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.039913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.039913][ T7704] netlink_rcv_skb+0x130/0x360 [ 8780.039913][ T7704] netlink_unicast+0x449/0x710 [ 8780.039913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8780.039913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8780.039913][ T7704] ___sys_sendmsg+0xee/0x170 [ 8780.039913][ T7704] __sys_sendmsg+0xcd/0x170 [ 8780.039913][ T7704] do_syscall_64+0xc6/0x1e0 [ 8780.039913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.039913][ T7704] [ 8790.295011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8790.295532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8790.295532][ T7704] netdev_get_by_index+0x5e/0x80 [ 8790.295532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8790.295532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8790.295532][ T7704] ip6_route_add+0x1c/0x140 [ 8790.295532][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8790.295532][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8790.295532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.295532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.295532][ T7704] netlink_rcv_skb+0x130/0x360 [ 8790.295532][ T7704] netlink_unicast+0x449/0x710 [ 8790.295532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8790.295532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8790.295532][ T7704] ___sys_sendmsg+0xee/0x170 [ 8790.295532][ T7704] __sys_sendmsg+0xcd/0x170 [ 8790.295532][ T7704] do_syscall_64+0xc6/0x1e0 [ 8790.295532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.295532][ T7704] [ 8790.297792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8790.297792][ T7704] netdev_get_by_index+0x5e/0x80 [ 8790.297792][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8790.297792][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8790.297792][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8790.297792][ T7704] ipv6_add_addr+0x411/0x2000 [ 8790.297792][ T7704] inet6_addr_add+0x30e/0xa40 [ 8790.297792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.297792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.297792][ T7704] netlink_rcv_skb+0x130/0x360 [ 8790.297792][ T7704] netlink_unicast+0x449/0x710 [ 8790.297792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8790.297792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8790.297792][ T7704] ___sys_sendmsg+0xee/0x170 [ 8790.297792][ T7704] __sys_sendmsg+0xcd/0x170 [ 8790.297792][ T7704] do_syscall_64+0xc6/0x1e0 [ 8790.297792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.297792][ T7704] [ 8790.300028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8790.300028][ T7704] netdev_get_by_index+0x5e/0x80 [ 8790.300028][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8790.300028][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8790.300028][ T7704] ip6_route_add+0x1c/0x140 [ 8790.300028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8790.300028][ T7704] addrconf_add_dev+0xe2/0x170 [ 8790.300028][ T7704] inet6_addr_add+0x12f/0xa40 [ 8790.300028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.300028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.300028][ T7704] netlink_rcv_skb+0x130/0x360 [ 8790.300028][ T7704] netlink_unicast+0x449/0x710 [ 8790.300028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8790.300028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8790.300028][ T7704] ___sys_sendmsg+0xee/0x170 [ 8790.300028][ T7704] __sys_sendmsg+0xcd/0x170 [ 8790.300028][ T7704] do_syscall_64+0xc6/0x1e0 [ 8790.300028][ T7704] [ 8790.302761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8790.302761][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8790.302761][ T7704] ipv6_find_idev+0x102/0x170 [ 8790.302761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8790.302761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.302761][ T7704] netlink_rcv_skb+0x130/0x360 [ 8790.302761][ T7704] netlink_unicast+0x449/0x710 [ 8790.302761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8790.302761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8790.302761][ T7704] ___sys_sendmsg+0xee/0x170 [ 8790.302761][ T7704] __sys_sendmsg+0xcd/0x170 [ 8790.302761][ T7704] do_syscall_64+0xc6/0x1e0 [ 8790.302761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.302761][ T7704] [ 8790.304478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8790.304478][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8790.304478][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8790.304478][ T7704] ipv6_find_idev+0x102/0x170 [ 8790.304478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8790.304478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.304478][ T7704] netlink_rcv_skb+0x130/0x360 [ 8790.304478][ T7704] netlink_unicast+0x449/0x710 [ 8790.304478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8790.304478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8790.304478][ T7704] ___sys_sendmsg+0xee/0x170 [ 8790.304478][ T7704] __sys_sendmsg+0xcd/0x170 [ 8790.304478][ T7704] do_syscall_64+0xc6/0x1e0 [ 8790.304478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.304478][ T7704] [ 8800.558871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8800.559397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8800.559397][ T7704] netdev_get_by_index+0x5e/0x80 [ 8800.559397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8800.559397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8800.559397][ T7704] ip6_route_add+0x1c/0x140 [ 8800.559397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8800.559397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8800.559397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.559397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.559397][ T7704] netlink_rcv_skb+0x130/0x360 [ 8800.559397][ T7704] netlink_unicast+0x449/0x710 [ 8800.559397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8800.559397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8800.559397][ T7704] ___sys_sendmsg+0xee/0x170 [ 8800.559397][ T7704] __sys_sendmsg+0xcd/0x170 [ 8800.559397][ T7704] do_syscall_64+0xc6/0x1e0 [ 8800.559397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.559397][ T7704] [ 8800.561690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8800.561690][ T7704] netdev_get_by_index+0x5e/0x80 [ 8800.561690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8800.561690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8800.561690][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8800.561690][ T7704] ipv6_add_addr+0x411/0x2000 [ 8800.561690][ T7704] inet6_addr_add+0x30e/0xa40 [ 8800.561690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.561690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.561690][ T7704] netlink_rcv_skb+0x130/0x360 [ 8800.561690][ T7704] netlink_unicast+0x449/0x710 [ 8800.561690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8800.561690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8800.561690][ T7704] ___sys_sendmsg+0xee/0x170 [ 8800.561690][ T7704] __sys_sendmsg+0xcd/0x170 [ 8800.561690][ T7704] do_syscall_64+0xc6/0x1e0 [ 8800.561690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.561690][ T7704] [ 8800.563989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8800.563989][ T7704] netdev_get_by_index+0x5e/0x80 [ 8800.563989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8800.563989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8800.563989][ T7704] ip6_route_add+0x1c/0x140 [ 8800.563989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8800.563989][ T7704] addrconf_add_dev+0xe2/0x170 [ 8800.563989][ T7704] inet6_addr_add+0x12f/0xa40 [ 8800.563989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.563989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.563989][ T7704] netlink_rcv_skb+0x130/0x360 [ 8800.563989][ T7704] netlink_unicast+0x449/0x710 [ 8800.563989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8800.563989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8800.563989][ T7704] ___sys_sendmsg+0xee/0x170 [ 8800.563989][ T7704] __sys_sendmsg+0xcd/0x170 [ 8800.563989][ T7704] do_syscall_64+0xc6/0x1e0 [ 8800.563989][ T7704] [ 8800.566222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8800.566222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8800.566222][ T7704] ipv6_find_idev+0x102/0x170 [ 8800.566222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8800.566222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.566222][ T7704] netlink_rcv_skb+0x130/0x360 [ 8800.566222][ T7704] netlink_unicast+0x449/0x710 [ 8800.566222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8800.566222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8800.566222][ T7704] ___sys_sendmsg+0xee/0x170 [ 8800.566222][ T7704] __sys_sendmsg+0xcd/0x170 [ 8800.566222][ T7704] do_syscall_64+0xc6/0x1e0 [ 8800.566222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.566222][ T7704] [ 8800.567957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8800.567957][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8800.567957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8800.567957][ T7704] ipv6_find_idev+0x102/0x170 [ 8800.567957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8800.567957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.567957][ T7704] netlink_rcv_skb+0x130/0x360 [ 8800.567957][ T7704] netlink_unicast+0x449/0x710 [ 8800.567957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8800.567957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8800.567957][ T7704] ___sys_sendmsg+0xee/0x170 [ 8800.567957][ T7704] __sys_sendmsg+0xcd/0x170 [ 8800.567957][ T7704] do_syscall_64+0xc6/0x1e0 [ 8800.567957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.567957][ T7704] [ 8810.822942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8810.823469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8810.823469][ T7704] netdev_get_by_index+0x5e/0x80 [ 8810.823469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8810.823469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8810.823469][ T7704] ip6_route_add+0x1c/0x140 [ 8810.823469][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8810.823469][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8810.823469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8810.823469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8810.823469][ T7704] netlink_rcv_skb+0x130/0x360 [ 8810.823469][ T7704] netlink_unicast+0x449/0x710 [ 8810.823469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8810.823469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8810.823469][ T7704] ___sys_sendmsg+0xee/0x170 [ 8810.823469][ T7704] __sys_sendmsg+0xcd/0x170 [ 8810.823469][ T7704] do_syscall_64+0xc6/0x1e0 [ 8810.823469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8810.823469][ T7704] [ 8810.825741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8810.825741][ T7704] netdev_get_by_index+0x5e/0x80 [ 8810.825741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8810.825741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8810.825741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8810.825741][ T7704] ipv6_add_addr+0x411/0x2000 [ 8810.825741][ T7704] inet6_addr_add+0x30e/0xa40 [ 8810.825741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8810.825741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8810.825741][ T7704] netlink_rcv_skb+0x130/0x360 [ 8810.825741][ T7704] netlink_unicast+0x449/0x710 [ 8810.825741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8810.825741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8810.825741][ T7704] ___sys_sendmsg+0xee/0x170 [ 8810.825741][ T7704] __sys_sendmsg+0xcd/0x170 [ 8810.825741][ T7704] do_syscall_64+0xc6/0x1e0 [ 8810.825741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8810.825741][ T7704] [ 8810.827995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8810.827995][ T7704] netdev_get_by_index+0x5e/0x80 [ 8810.827995][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8810.827995][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8810.827995][ T7704] ip6_route_add+0x1c/0x140 [ 8810.827995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8810.827995][ T7704] addrconf_add_dev+0xe2/0x170 [ 8810.827995][ T7704] inet6_addr_add+0x12f/0xa40 [ 8810.827995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8810.827995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8810.827995][ T7704] netlink_rcv_skb+0x130/0x360 [ 8810.827995][ T7704] netlink_unicast+0x449/0x710 [ 8810.827995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8810.827995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8810.827995][ T7704] ___sys_sendmsg+0xee/0x170 [ 8810.827995][ T7704] __sys_sendmsg+0xcd/0x170 [ 8810.827995][ T7704] do_syscall_64+0xc6/0x1e0 [ 8810.827995][ T7704] [ 8810.830764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8810.830764][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8810.830764][ T7704] ipv6_find_idev+0x102/0x170 [ 8810.830764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8810.830764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8810.830764][ T7704] netlink_rcv_skb+0x130/0x360 [ 8810.830764][ T7704] netlink_unicast+0x449/0x710 [ 8810.830764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8810.830764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8810.830764][ T7704] ___sys_sendmsg+0xee/0x170 [ 8810.830764][ T7704] __sys_sendmsg+0xcd/0x170 [ 8810.830764][ T7704] do_syscall_64+0xc6/0x1e0 [ 8810.830764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8810.830764][ T7704] [ 8810.832497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8810.832497][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8810.832497][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8810.832497][ T7704] ipv6_find_idev+0x102/0x170 [ 8810.832497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8810.832497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8810.832497][ T7704] netlink_rcv_skb+0x130/0x360 [ 8810.832497][ T7704] netlink_unicast+0x449/0x710 [ 8810.832497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8810.832497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8810.832497][ T7704] ___sys_sendmsg+0xee/0x170 [ 8810.832497][ T7704] __sys_sendmsg+0xcd/0x170 [ 8810.832497][ T7704] do_syscall_64+0xc6/0x1e0 [ 8810.832497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8810.832497][ T7704] [ 8821.086880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8821.087404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8821.087404][ T7704] netdev_get_by_index+0x5e/0x80 [ 8821.087404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8821.087404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8821.087404][ T7704] ip6_route_add+0x1c/0x140 [ 8821.087404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8821.087404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8821.087404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.087404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.087404][ T7704] netlink_rcv_skb+0x130/0x360 [ 8821.087404][ T7704] netlink_unicast+0x449/0x710 [ 8821.087404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8821.087404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8821.087404][ T7704] ___sys_sendmsg+0xee/0x170 [ 8821.087404][ T7704] __sys_sendmsg+0xcd/0x170 [ 8821.087404][ T7704] do_syscall_64+0xc6/0x1e0 [ 8821.087404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.087404][ T7704] [ 8821.089809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8821.089809][ T7704] netdev_get_by_index+0x5e/0x80 [ 8821.089809][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8821.089809][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8821.089809][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8821.089809][ T7704] ipv6_add_addr+0x411/0x2000 [ 8821.089809][ T7704] inet6_addr_add+0x30e/0xa40 [ 8821.089809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.089809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.089809][ T7704] netlink_rcv_skb+0x130/0x360 [ 8821.089809][ T7704] netlink_unicast+0x449/0x710 [ 8821.089809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8821.089809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8821.089809][ T7704] ___sys_sendmsg+0xee/0x170 [ 8821.089809][ T7704] __sys_sendmsg+0xcd/0x170 [ 8821.089809][ T7704] do_syscall_64+0xc6/0x1e0 [ 8821.089809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.089809][ T7704] [ 8821.092083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8821.092083][ T7704] netdev_get_by_index+0x5e/0x80 [ 8821.092083][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8821.092083][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8821.092083][ T7704] ip6_route_add+0x1c/0x140 [ 8821.092083][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8821.092083][ T7704] addrconf_add_dev+0xe2/0x170 [ 8821.092083][ T7704] inet6_addr_add+0x12f/0xa40 [ 8821.092083][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.092083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.092083][ T7704] netlink_rcv_skb+0x130/0x360 [ 8821.092083][ T7704] netlink_unicast+0x449/0x710 [ 8821.092083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8821.092083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8821.092083][ T7704] ___sys_sendmsg+0xee/0x170 [ 8821.092083][ T7704] __sys_sendmsg+0xcd/0x170 [ 8821.092083][ T7704] do_syscall_64+0xc6/0x1e0 [ 8821.092083][ T7704] [ 8821.094322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8821.094322][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8821.094322][ T7704] ipv6_find_idev+0x102/0x170 [ 8821.094322][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.094322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.094322][ T7704] netlink_rcv_skb+0x130/0x360 [ 8821.094322][ T7704] netlink_unicast+0x449/0x710 [ 8821.094322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8821.094322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8821.094322][ T7704] ___sys_sendmsg+0xee/0x170 [ 8821.094322][ T7704] __sys_sendmsg+0xcd/0x170 [ 8821.094322][ T7704] do_syscall_64+0xc6/0x1e0 [ 8821.094322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.094322][ T7704] [ 8821.096064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8821.096064][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8821.096064][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8821.096064][ T7704] ipv6_find_idev+0x102/0x170 [ 8821.096064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.096064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.096064][ T7704] netlink_rcv_skb+0x130/0x360 [ 8821.096064][ T7704] netlink_unicast+0x449/0x710 [ 8821.096064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8821.096064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8821.096064][ T7704] ___sys_sendmsg+0xee/0x170 [ 8821.096064][ T7704] __sys_sendmsg+0xcd/0x170 [ 8821.096064][ T7704] do_syscall_64+0xc6/0x1e0 [ 8821.096064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.096064][ T7704] [ 8831.350944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8831.351448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8831.351448][ T7704] netdev_get_by_index+0x5e/0x80 [ 8831.351448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8831.351448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8831.351448][ T7704] ip6_route_add+0x1c/0x140 [ 8831.351448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8831.351448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8831.351448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.351448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.351448][ T7704] netlink_rcv_skb+0x130/0x360 [ 8831.351448][ T7704] netlink_unicast+0x449/0x710 [ 8831.351448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8831.351448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8831.351448][ T7704] ___sys_sendmsg+0xee/0x170 [ 8831.351448][ T7704] __sys_sendmsg+0xcd/0x170 [ 8831.351448][ T7704] do_syscall_64+0xc6/0x1e0 [ 8831.351448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.351448][ T7704] [ 8831.353707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8831.353707][ T7704] netdev_get_by_index+0x5e/0x80 [ 8831.353707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8831.353707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8831.353707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8831.353707][ T7704] ipv6_add_addr+0x411/0x2000 [ 8831.353707][ T7704] inet6_addr_add+0x30e/0xa40 [ 8831.353707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.353707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.353707][ T7704] netlink_rcv_skb+0x130/0x360 [ 8831.353707][ T7704] netlink_unicast+0x449/0x710 [ 8831.353707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8831.353707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8831.353707][ T7704] ___sys_sendmsg+0xee/0x170 [ 8831.353707][ T7704] __sys_sendmsg+0xcd/0x170 [ 8831.353707][ T7704] do_syscall_64+0xc6/0x1e0 [ 8831.353707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.353707][ T7704] [ 8831.355934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8831.355934][ T7704] netdev_get_by_index+0x5e/0x80 [ 8831.355934][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8831.355934][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8831.355934][ T7704] ip6_route_add+0x1c/0x140 [ 8831.355934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8831.355934][ T7704] addrconf_add_dev+0xe2/0x170 [ 8831.355934][ T7704] inet6_addr_add+0x12f/0xa40 [ 8831.355934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.355934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.355934][ T7704] netlink_rcv_skb+0x130/0x360 [ 8831.355934][ T7704] netlink_unicast+0x449/0x710 [ 8831.355934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8831.355934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8831.355934][ T7704] ___sys_sendmsg+0xee/0x170 [ 8831.355934][ T7704] __sys_sendmsg+0xcd/0x170 [ 8831.355934][ T7704] do_syscall_64+0xc6/0x1e0 [ 8831.355934][ T7704] [ 8831.358124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8831.358124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8831.358124][ T7704] ipv6_find_idev+0x102/0x170 [ 8831.358124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8831.358124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.358124][ T7704] netlink_rcv_skb+0x130/0x360 [ 8831.358124][ T7704] netlink_unicast+0x449/0x710 [ 8831.358124][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8831.358124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8831.358124][ T7704] ___sys_sendmsg+0xee/0x170 [ 8831.358124][ T7704] __sys_sendmsg+0xcd/0x170 [ 8831.358124][ T7704] do_syscall_64+0xc6/0x1e0 [ 8831.358124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.358124][ T7704] [ 8831.359848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8831.359848][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8831.359848][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8831.359848][ T7704] ipv6_find_idev+0x102/0x170 [ 8831.359848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8831.359848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.359848][ T7704] netlink_rcv_skb+0x130/0x360 [ 8831.359848][ T7704] netlink_unicast+0x449/0x710 [ 8831.359848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8831.359848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8831.359848][ T7704] ___sys_sendmsg+0xee/0x170 [ 8831.359848][ T7704] __sys_sendmsg+0xcd/0x170 [ 8831.359848][ T7704] do_syscall_64+0xc6/0x1e0 [ 8831.359848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.359848][ T7704] [ 8841.606957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8841.607455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8841.607455][ T7704] netdev_get_by_index+0x5e/0x80 [ 8841.607455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8841.607455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8841.607455][ T7704] ip6_route_add+0x1c/0x140 [ 8841.607455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8841.607455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8841.607455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.607455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.607455][ T7704] netlink_rcv_skb+0x130/0x360 [ 8841.607455][ T7704] netlink_unicast+0x449/0x710 [ 8841.607455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8841.607455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8841.607455][ T7704] ___sys_sendmsg+0xee/0x170 [ 8841.607455][ T7704] __sys_sendmsg+0xcd/0x170 [ 8841.607455][ T7704] do_syscall_64+0xc6/0x1e0 [ 8841.607455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.607455][ T7704] [ 8841.609725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8841.609725][ T7704] netdev_get_by_index+0x5e/0x80 [ 8841.609725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8841.609725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8841.609725][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8841.609725][ T7704] ipv6_add_addr+0x411/0x2000 [ 8841.609725][ T7704] inet6_addr_add+0x30e/0xa40 [ 8841.609725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.609725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.609725][ T7704] netlink_rcv_skb+0x130/0x360 [ 8841.609725][ T7704] netlink_unicast+0x449/0x710 [ 8841.609725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8841.609725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8841.609725][ T7704] ___sys_sendmsg+0xee/0x170 [ 8841.609725][ T7704] __sys_sendmsg+0xcd/0x170 [ 8841.609725][ T7704] do_syscall_64+0xc6/0x1e0 [ 8841.609725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.609725][ T7704] [ 8841.611980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8841.611980][ T7704] netdev_get_by_index+0x5e/0x80 [ 8841.611980][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8841.611980][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8841.611980][ T7704] ip6_route_add+0x1c/0x140 [ 8841.611980][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8841.611980][ T7704] addrconf_add_dev+0xe2/0x170 [ 8841.611980][ T7704] inet6_addr_add+0x12f/0xa40 [ 8841.611980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.611980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.611980][ T7704] netlink_rcv_skb+0x130/0x360 [ 8841.611980][ T7704] netlink_unicast+0x449/0x710 [ 8841.611980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8841.611980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8841.611980][ T7704] ___sys_sendmsg+0xee/0x170 [ 8841.611980][ T7704] __sys_sendmsg+0xcd/0x170 [ 8841.611980][ T7704] do_syscall_64+0xc6/0x1e0 [ 8841.611980][ T7704] [ 8841.614160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8841.614160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8841.614160][ T7704] ipv6_find_idev+0x102/0x170 [ 8841.614160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8841.614160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.614160][ T7704] netlink_rcv_skb+0x130/0x360 [ 8841.614160][ T7704] netlink_unicast+0x449/0x710 [ 8841.614160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8841.614160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8841.614160][ T7704] ___sys_sendmsg+0xee/0x170 [ 8841.614160][ T7704] __sys_sendmsg+0xcd/0x170 [ 8841.614160][ T7704] do_syscall_64+0xc6/0x1e0 [ 8841.614160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.614160][ T7704] [ 8841.615872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8841.615872][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8841.615872][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8841.615872][ T7704] ipv6_find_idev+0x102/0x170 [ 8841.615872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8841.615872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.615872][ T7704] netlink_rcv_skb+0x130/0x360 [ 8841.615872][ T7704] netlink_unicast+0x449/0x710 [ 8841.615872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8841.615872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8841.615872][ T7704] ___sys_sendmsg+0xee/0x170 [ 8841.615872][ T7704] __sys_sendmsg+0xcd/0x170 [ 8841.615872][ T7704] do_syscall_64+0xc6/0x1e0 [ 8841.615872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.615872][ T7704] [ 8851.654932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8851.655440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8851.655440][ T7704] netdev_get_by_index+0x5e/0x80 [ 8851.655440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8851.655440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8851.655440][ T7704] ip6_route_add+0x1c/0x140 [ 8851.655440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8851.655440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8851.655440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.655440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.655440][ T7704] netlink_rcv_skb+0x130/0x360 [ 8851.655440][ T7704] netlink_unicast+0x449/0x710 [ 8851.655440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8851.655440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8851.655440][ T7704] ___sys_sendmsg+0xee/0x170 [ 8851.655440][ T7704] __sys_sendmsg+0xcd/0x170 [ 8851.655440][ T7704] do_syscall_64+0xc6/0x1e0 [ 8851.655440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.655440][ T7704] [ 8851.657676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8851.657676][ T7704] netdev_get_by_index+0x5e/0x80 [ 8851.657676][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8851.657676][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8851.657676][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8851.657676][ T7704] ipv6_add_addr+0x411/0x2000 [ 8851.657676][ T7704] inet6_addr_add+0x30e/0xa40 [ 8851.657676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.657676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.657676][ T7704] netlink_rcv_skb+0x130/0x360 [ 8851.657676][ T7704] netlink_unicast+0x449/0x710 [ 8851.657676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8851.657676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8851.657676][ T7704] ___sys_sendmsg+0xee/0x170 [ 8851.657676][ T7704] __sys_sendmsg+0xcd/0x170 [ 8851.657676][ T7704] do_syscall_64+0xc6/0x1e0 [ 8851.657676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.657676][ T7704] [ 8851.659915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8851.659915][ T7704] netdev_get_by_index+0x5e/0x80 [ 8851.659915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8851.659915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8851.659915][ T7704] ip6_route_add+0x1c/0x140 [ 8851.659915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8851.659915][ T7704] addrconf_add_dev+0xe2/0x170 [ 8851.659915][ T7704] inet6_addr_add+0x12f/0xa40 [ 8851.659915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.659915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.659915][ T7704] netlink_rcv_skb+0x130/0x360 [ 8851.659915][ T7704] netlink_unicast+0x449/0x710 [ 8851.659915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8851.659915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8851.659915][ T7704] ___sys_sendmsg+0xee/0x170 [ 8851.659915][ T7704] __sys_sendmsg+0xcd/0x170 [ 8851.659915][ T7704] do_syscall_64+0xc6/0x1e0 [ 8851.659915][ T7704] [ 8851.662090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8851.662090][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8851.662090][ T7704] ipv6_find_idev+0x102/0x170 [ 8851.662090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8851.662090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.662090][ T7704] netlink_rcv_skb+0x130/0x360 [ 8851.662090][ T7704] netlink_unicast+0x449/0x710 [ 8851.662090][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8851.662090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8851.662090][ T7704] ___sys_sendmsg+0xee/0x170 [ 8851.662090][ T7704] __sys_sendmsg+0xcd/0x170 [ 8851.662090][ T7704] do_syscall_64+0xc6/0x1e0 [ 8851.662090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.662090][ T7704] [ 8851.663800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8851.663800][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8851.663800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8851.663800][ T7704] ipv6_find_idev+0x102/0x170 [ 8851.663800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8851.663800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.663800][ T7704] netlink_rcv_skb+0x130/0x360 [ 8851.663800][ T7704] netlink_unicast+0x449/0x710 [ 8851.663800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8851.663800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8851.663800][ T7704] ___sys_sendmsg+0xee/0x170 [ 8851.663800][ T7704] __sys_sendmsg+0xcd/0x170 [ 8851.663800][ T7704] do_syscall_64+0xc6/0x1e0 [ 8851.663800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.663800][ T7704] [ 8861.910936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8861.911440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8861.911440][ T7704] netdev_get_by_index+0x5e/0x80 [ 8861.911440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8861.911440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8861.911440][ T7704] ip6_route_add+0x1c/0x140 [ 8861.911440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8861.911440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8861.911440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.911440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.911440][ T7704] netlink_rcv_skb+0x130/0x360 [ 8861.911440][ T7704] netlink_unicast+0x449/0x710 [ 8861.911440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8861.911440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8861.911440][ T7704] ___sys_sendmsg+0xee/0x170 [ 8861.911440][ T7704] __sys_sendmsg+0xcd/0x170 [ 8861.911440][ T7704] do_syscall_64+0xc6/0x1e0 [ 8861.911440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.911440][ T7704] [ 8861.913688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8861.913688][ T7704] netdev_get_by_index+0x5e/0x80 [ 8861.913688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8861.913688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8861.913688][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8861.913688][ T7704] ipv6_add_addr+0x411/0x2000 [ 8861.913688][ T7704] inet6_addr_add+0x30e/0xa40 [ 8861.913688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.913688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.913688][ T7704] netlink_rcv_skb+0x130/0x360 [ 8861.913688][ T7704] netlink_unicast+0x449/0x710 [ 8861.913688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8861.913688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8861.913688][ T7704] ___sys_sendmsg+0xee/0x170 [ 8861.913688][ T7704] __sys_sendmsg+0xcd/0x170 [ 8861.913688][ T7704] do_syscall_64+0xc6/0x1e0 [ 8861.913688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.913688][ T7704] [ 8861.915908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8861.915908][ T7704] netdev_get_by_index+0x5e/0x80 [ 8861.915908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8861.915908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8861.915908][ T7704] ip6_route_add+0x1c/0x140 [ 8861.915908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8861.915908][ T7704] addrconf_add_dev+0xe2/0x170 [ 8861.915908][ T7704] inet6_addr_add+0x12f/0xa40 [ 8861.915908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.915908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.915908][ T7704] netlink_rcv_skb+0x130/0x360 [ 8861.915908][ T7704] netlink_unicast+0x449/0x710 [ 8861.915908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8861.915908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8861.915908][ T7704] ___sys_sendmsg+0xee/0x170 [ 8861.915908][ T7704] __sys_sendmsg+0xcd/0x170 [ 8861.915908][ T7704] do_syscall_64+0xc6/0x1e0 [ 8861.915908][ T7704] [ 8861.918089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8861.918089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8861.918089][ T7704] ipv6_find_idev+0x102/0x170 [ 8861.918089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.918089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.918089][ T7704] netlink_rcv_skb+0x130/0x360 [ 8861.918089][ T7704] netlink_unicast+0x449/0x710 [ 8861.918089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8861.918089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8861.918089][ T7704] ___sys_sendmsg+0xee/0x170 [ 8861.918089][ T7704] __sys_sendmsg+0xcd/0x170 [ 8861.918089][ T7704] do_syscall_64+0xc6/0x1e0 [ 8861.918089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.918089][ T7704] [ 8861.919797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8861.919797][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8861.919797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8861.919797][ T7704] ipv6_find_idev+0x102/0x170 [ 8861.919797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.919797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.919797][ T7704] netlink_rcv_skb+0x130/0x360 [ 8861.919797][ T7704] netlink_unicast+0x449/0x710 [ 8861.919797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8861.919797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8861.919797][ T7704] ___sys_sendmsg+0xee/0x170 [ 8861.919797][ T7704] __sys_sendmsg+0xcd/0x170 [ 8861.919797][ T7704] do_syscall_64+0xc6/0x1e0 [ 8861.919797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.919797][ T7704] [ 8871.950927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8871.951437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8871.951437][ T7704] netdev_get_by_index+0x5e/0x80 [ 8871.951437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8871.951437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8871.951437][ T7704] ip6_route_add+0x1c/0x140 [ 8871.951437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8871.951437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8871.951437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8871.951437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.951437][ T7704] netlink_rcv_skb+0x130/0x360 [ 8871.951437][ T7704] netlink_unicast+0x449/0x710 [ 8871.951437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8871.951437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8871.951437][ T7704] ___sys_sendmsg+0xee/0x170 [ 8871.951437][ T7704] __sys_sendmsg+0xcd/0x170 [ 8871.951437][ T7704] do_syscall_64+0xc6/0x1e0 [ 8871.951437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.951437][ T7704] [ 8871.953683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8871.953683][ T7704] netdev_get_by_index+0x5e/0x80 [ 8871.953683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8871.953683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8871.953683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8871.953683][ T7704] ipv6_add_addr+0x411/0x2000 [ 8871.953683][ T7704] inet6_addr_add+0x30e/0xa40 [ 8871.953683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8871.953683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.953683][ T7704] netlink_rcv_skb+0x130/0x360 [ 8871.953683][ T7704] netlink_unicast+0x449/0x710 [ 8871.953683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8871.953683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8871.953683][ T7704] ___sys_sendmsg+0xee/0x170 [ 8871.953683][ T7704] __sys_sendmsg+0xcd/0x170 [ 8871.953683][ T7704] do_syscall_64+0xc6/0x1e0 [ 8871.953683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.953683][ T7704] [ 8871.955908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8871.955908][ T7704] netdev_get_by_index+0x5e/0x80 [ 8871.955908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8871.955908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8871.955908][ T7704] ip6_route_add+0x1c/0x140 [ 8871.955908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8871.955908][ T7704] addrconf_add_dev+0xe2/0x170 [ 8871.955908][ T7704] inet6_addr_add+0x12f/0xa40 [ 8871.955908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8871.955908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.955908][ T7704] netlink_rcv_skb+0x130/0x360 [ 8871.955908][ T7704] netlink_unicast+0x449/0x710 [ 8871.955908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8871.955908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8871.955908][ T7704] ___sys_sendmsg+0xee/0x170 [ 8871.955908][ T7704] __sys_sendmsg+0xcd/0x170 [ 8871.955908][ T7704] do_syscall_64+0xc6/0x1e0 [ 8871.955908][ T7704] [ 8871.958093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8871.958093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8871.958093][ T7704] ipv6_find_idev+0x102/0x170 [ 8871.958093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8871.958093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.958093][ T7704] netlink_rcv_skb+0x130/0x360 [ 8871.958093][ T7704] netlink_unicast+0x449/0x710 [ 8871.958093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8871.958093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8871.958093][ T7704] ___sys_sendmsg+0xee/0x170 [ 8871.958093][ T7704] __sys_sendmsg+0xcd/0x170 [ 8871.958093][ T7704] do_syscall_64+0xc6/0x1e0 [ 8871.958093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.958093][ T7704] [ 8871.959800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8871.959800][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8871.959800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8871.959800][ T7704] ipv6_find_idev+0x102/0x170 [ 8871.959800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8871.959800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.959800][ T7704] netlink_rcv_skb+0x130/0x360 [ 8871.959800][ T7704] netlink_unicast+0x449/0x710 [ 8871.959800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8871.959800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8871.959800][ T7704] ___sys_sendmsg+0xee/0x170 [ 8871.959800][ T7704] __sys_sendmsg+0xcd/0x170 [ 8871.959800][ T7704] do_syscall_64+0xc6/0x1e0 [ 8871.959800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.959800][ T7704] [ 8882.062935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8882.063454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8882.063454][ T7704] netdev_get_by_index+0x5e/0x80 [ 8882.063454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8882.063454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8882.063454][ T7704] ip6_route_add+0x1c/0x140 [ 8882.063454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8882.063454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8882.063454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.063454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.063454][ T7704] netlink_rcv_skb+0x130/0x360 [ 8882.063454][ T7704] netlink_unicast+0x449/0x710 [ 8882.063454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8882.063454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8882.063454][ T7704] ___sys_sendmsg+0xee/0x170 [ 8882.063454][ T7704] __sys_sendmsg+0xcd/0x170 [ 8882.063454][ T7704] do_syscall_64+0xc6/0x1e0 [ 8882.063454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.063454][ T7704] [ 8882.065694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8882.065694][ T7704] netdev_get_by_index+0x5e/0x80 [ 8882.065694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8882.065694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8882.065694][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8882.065694][ T7704] ipv6_add_addr+0x411/0x2000 [ 8882.065694][ T7704] inet6_addr_add+0x30e/0xa40 [ 8882.065694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.065694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.065694][ T7704] netlink_rcv_skb+0x130/0x360 [ 8882.065694][ T7704] netlink_unicast+0x449/0x710 [ 8882.065694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8882.065694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8882.065694][ T7704] ___sys_sendmsg+0xee/0x170 [ 8882.065694][ T7704] __sys_sendmsg+0xcd/0x170 [ 8882.065694][ T7704] do_syscall_64+0xc6/0x1e0 [ 8882.065694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.065694][ T7704] [ 8882.067944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8882.067944][ T7704] netdev_get_by_index+0x5e/0x80 [ 8882.067944][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8882.067944][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8882.067944][ T7704] ip6_route_add+0x1c/0x140 [ 8882.067944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8882.067944][ T7704] addrconf_add_dev+0xe2/0x170 [ 8882.067944][ T7704] inet6_addr_add+0x12f/0xa40 [ 8882.067944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.067944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.067944][ T7704] netlink_rcv_skb+0x130/0x360 [ 8882.067944][ T7704] netlink_unicast+0x449/0x710 [ 8882.067944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8882.067944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8882.067944][ T7704] ___sys_sendmsg+0xee/0x170 [ 8882.067944][ T7704] __sys_sendmsg+0xcd/0x170 [ 8882.067944][ T7704] do_syscall_64+0xc6/0x1e0 [ 8882.067944][ T7704] [ 8882.070138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8882.070138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8882.070138][ T7704] ipv6_find_idev+0x102/0x170 [ 8882.070138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8882.070138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.070138][ T7704] netlink_rcv_skb+0x130/0x360 [ 8882.070138][ T7704] netlink_unicast+0x449/0x710 [ 8882.070138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8882.070138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8882.070138][ T7704] ___sys_sendmsg+0xee/0x170 [ 8882.070138][ T7704] __sys_sendmsg+0xcd/0x170 [ 8882.070138][ T7704] do_syscall_64+0xc6/0x1e0 [ 8882.070138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.070138][ T7704] [ 8882.071838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8882.071838][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8882.071838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8882.071838][ T7704] ipv6_find_idev+0x102/0x170 [ 8882.071838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8882.071838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.071838][ T7704] netlink_rcv_skb+0x130/0x360 [ 8882.071838][ T7704] netlink_unicast+0x449/0x710 [ 8882.071838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8882.071838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8882.071838][ T7704] ___sys_sendmsg+0xee/0x170 [ 8882.071838][ T7704] __sys_sendmsg+0xcd/0x170 [ 8882.071838][ T7704] do_syscall_64+0xc6/0x1e0 [ 8882.071838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.071838][ T7704] [ 8892.270939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8892.271455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8892.271455][ T7704] netdev_get_by_index+0x5e/0x80 [ 8892.271455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8892.271455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8892.271455][ T7704] ip6_route_add+0x1c/0x140 [ 8892.271455][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8892.271455][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8892.271455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.271455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.271455][ T7704] netlink_rcv_skb+0x130/0x360 [ 8892.271455][ T7704] netlink_unicast+0x449/0x710 [ 8892.271455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8892.271455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8892.271455][ T7704] ___sys_sendmsg+0xee/0x170 [ 8892.271455][ T7704] __sys_sendmsg+0xcd/0x170 [ 8892.271455][ T7704] do_syscall_64+0xc6/0x1e0 [ 8892.271455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.271455][ T7704] [ 8892.273690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8892.273690][ T7704] netdev_get_by_index+0x5e/0x80 [ 8892.273690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8892.273690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8892.273690][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8892.273690][ T7704] ipv6_add_addr+0x411/0x2000 [ 8892.273690][ T7704] inet6_addr_add+0x30e/0xa40 [ 8892.273690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.273690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.273690][ T7704] netlink_rcv_skb+0x130/0x360 [ 8892.273690][ T7704] netlink_unicast+0x449/0x710 [ 8892.273690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8892.273690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8892.273690][ T7704] ___sys_sendmsg+0xee/0x170 [ 8892.273690][ T7704] __sys_sendmsg+0xcd/0x170 [ 8892.273690][ T7704] do_syscall_64+0xc6/0x1e0 [ 8892.273690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.273690][ T7704] [ 8892.275912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8892.275912][ T7704] netdev_get_by_index+0x5e/0x80 [ 8892.275912][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8892.275912][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8892.275912][ T7704] ip6_route_add+0x1c/0x140 [ 8892.275912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8892.275912][ T7704] addrconf_add_dev+0xe2/0x170 [ 8892.275912][ T7704] inet6_addr_add+0x12f/0xa40 [ 8892.275912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.275912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.275912][ T7704] netlink_rcv_skb+0x130/0x360 [ 8892.275912][ T7704] netlink_unicast+0x449/0x710 [ 8892.275912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8892.275912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8892.275912][ T7704] ___sys_sendmsg+0xee/0x170 [ 8892.275912][ T7704] __sys_sendmsg+0xcd/0x170 [ 8892.275912][ T7704] do_syscall_64+0xc6/0x1e0 [ 8892.275912][ T7704] [ 8892.278117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8892.278117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8892.278117][ T7704] ipv6_find_idev+0x102/0x170 [ 8892.278117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8892.278117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.278117][ T7704] netlink_rcv_skb+0x130/0x360 [ 8892.278117][ T7704] netlink_unicast+0x449/0x710 [ 8892.278117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8892.278117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8892.278117][ T7704] ___sys_sendmsg+0xee/0x170 [ 8892.278117][ T7704] __sys_sendmsg+0xcd/0x170 [ 8892.278117][ T7704] do_syscall_64+0xc6/0x1e0 [ 8892.278117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.278117][ T7704] [ 8892.279820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8892.279820][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8892.279820][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8892.279820][ T7704] ipv6_find_idev+0x102/0x170 [ 8892.279820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8892.279820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.279820][ T7704] netlink_rcv_skb+0x130/0x360 [ 8892.279820][ T7704] netlink_unicast+0x449/0x710 [ 8892.279820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8892.279820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8892.279820][ T7704] ___sys_sendmsg+0xee/0x170 [ 8892.279820][ T7704] __sys_sendmsg+0xcd/0x170 [ 8892.279820][ T7704] do_syscall_64+0xc6/0x1e0 [ 8892.279820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.279820][ T7704] [ 8902.518932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8902.519432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8902.519432][ T7704] netdev_get_by_index+0x5e/0x80 [ 8902.519432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8902.519432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8902.519432][ T7704] ip6_route_add+0x1c/0x140 [ 8902.519432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8902.519432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8902.519432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.519432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.519432][ T7704] netlink_rcv_skb+0x130/0x360 [ 8902.519432][ T7704] netlink_unicast+0x449/0x710 [ 8902.519432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8902.519432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8902.519432][ T7704] ___sys_sendmsg+0xee/0x170 [ 8902.519432][ T7704] __sys_sendmsg+0xcd/0x170 [ 8902.519432][ T7704] do_syscall_64+0xc6/0x1e0 [ 8902.519432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.519432][ T7704] [ 8902.521682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8902.521682][ T7704] netdev_get_by_index+0x5e/0x80 [ 8902.521682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8902.521682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8902.521682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8902.521682][ T7704] ipv6_add_addr+0x411/0x2000 [ 8902.521682][ T7704] inet6_addr_add+0x30e/0xa40 [ 8902.521682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.521682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.521682][ T7704] netlink_rcv_skb+0x130/0x360 [ 8902.521682][ T7704] netlink_unicast+0x449/0x710 [ 8902.521682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8902.521682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8902.521682][ T7704] ___sys_sendmsg+0xee/0x170 [ 8902.521682][ T7704] __sys_sendmsg+0xcd/0x170 [ 8902.521682][ T7704] do_syscall_64+0xc6/0x1e0 [ 8902.521682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.521682][ T7704] [ 8902.523909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8902.523909][ T7704] netdev_get_by_index+0x5e/0x80 [ 8902.523909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8902.523909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8902.523909][ T7704] ip6_route_add+0x1c/0x140 [ 8902.523909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8902.523909][ T7704] addrconf_add_dev+0xe2/0x170 [ 8902.523909][ T7704] inet6_addr_add+0x12f/0xa40 [ 8902.523909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.523909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.523909][ T7704] netlink_rcv_skb+0x130/0x360 [ 8902.523909][ T7704] netlink_unicast+0x449/0x710 [ 8902.523909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8902.523909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8902.523909][ T7704] ___sys_sendmsg+0xee/0x170 [ 8902.523909][ T7704] __sys_sendmsg+0xcd/0x170 [ 8902.523909][ T7704] do_syscall_64+0xc6/0x1e0 [ 8902.523909][ T7704] [ 8902.526094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8902.526094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8902.526094][ T7704] ipv6_find_idev+0x102/0x170 [ 8902.526094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8902.526094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.526094][ T7704] netlink_rcv_skb+0x130/0x360 [ 8902.526094][ T7704] netlink_unicast+0x449/0x710 [ 8902.526094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8902.526094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8902.526094][ T7704] ___sys_sendmsg+0xee/0x170 [ 8902.526094][ T7704] __sys_sendmsg+0xcd/0x170 [ 8902.526094][ T7704] do_syscall_64+0xc6/0x1e0 [ 8902.526094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.526094][ T7704] [ 8902.527805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8902.527805][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8902.527805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8902.527805][ T7704] ipv6_find_idev+0x102/0x170 [ 8902.527805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8902.527805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.527805][ T7704] netlink_rcv_skb+0x130/0x360 [ 8902.527805][ T7704] netlink_unicast+0x449/0x710 [ 8902.527805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8902.527805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8902.527805][ T7704] ___sys_sendmsg+0xee/0x170 [ 8902.527805][ T7704] __sys_sendmsg+0xcd/0x170 [ 8902.527805][ T7704] do_syscall_64+0xc6/0x1e0 [ 8902.527805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.527805][ T7704] [ 8912.766940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8912.767442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8912.767442][ T7704] netdev_get_by_index+0x5e/0x80 [ 8912.767442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8912.767442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8912.767442][ T7704] ip6_route_add+0x1c/0x140 [ 8912.767442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8912.767442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8912.767442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.767442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.767442][ T7704] netlink_rcv_skb+0x130/0x360 [ 8912.767442][ T7704] netlink_unicast+0x449/0x710 [ 8912.767442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8912.767442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8912.767442][ T7704] ___sys_sendmsg+0xee/0x170 [ 8912.767442][ T7704] __sys_sendmsg+0xcd/0x170 [ 8912.767442][ T7704] do_syscall_64+0xc6/0x1e0 [ 8912.767442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.767442][ T7704] [ 8912.769733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8912.769733][ T7704] netdev_get_by_index+0x5e/0x80 [ 8912.769733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8912.769733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8912.769733][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8912.769733][ T7704] ipv6_add_addr+0x411/0x2000 [ 8912.769733][ T7704] inet6_addr_add+0x30e/0xa40 [ 8912.769733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.769733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.769733][ T7704] netlink_rcv_skb+0x130/0x360 [ 8912.769733][ T7704] netlink_unicast+0x449/0x710 [ 8912.769733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8912.769733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8912.769733][ T7704] ___sys_sendmsg+0xee/0x170 [ 8912.769733][ T7704] __sys_sendmsg+0xcd/0x170 [ 8912.769733][ T7704] do_syscall_64+0xc6/0x1e0 [ 8912.769733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.769733][ T7704] [ 8912.771969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8912.771969][ T7704] netdev_get_by_index+0x5e/0x80 [ 8912.771969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8912.771969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8912.771969][ T7704] ip6_route_add+0x1c/0x140 [ 8912.771969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8912.771969][ T7704] addrconf_add_dev+0xe2/0x170 [ 8912.771969][ T7704] inet6_addr_add+0x12f/0xa40 [ 8912.771969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.771969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.771969][ T7704] netlink_rcv_skb+0x130/0x360 [ 8912.771969][ T7704] netlink_unicast+0x449/0x710 [ 8912.771969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8912.771969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8912.771969][ T7704] ___sys_sendmsg+0xee/0x170 [ 8912.771969][ T7704] __sys_sendmsg+0xcd/0x170 [ 8912.771969][ T7704] do_syscall_64+0xc6/0x1e0 [ 8912.771969][ T7704] [ 8912.774151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8912.774151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8912.774151][ T7704] ipv6_find_idev+0x102/0x170 [ 8912.774151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8912.774151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.774151][ T7704] netlink_rcv_skb+0x130/0x360 [ 8912.774151][ T7704] netlink_unicast+0x449/0x710 [ 8912.774151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8912.774151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8912.774151][ T7704] ___sys_sendmsg+0xee/0x170 [ 8912.774151][ T7704] __sys_sendmsg+0xcd/0x170 [ 8912.774151][ T7704] do_syscall_64+0xc6/0x1e0 [ 8912.774151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.774151][ T7704] [ 8912.775858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8912.775858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8912.775858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8912.775858][ T7704] ipv6_find_idev+0x102/0x170 [ 8912.775858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8912.775858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.775858][ T7704] netlink_rcv_skb+0x130/0x360 [ 8912.775858][ T7704] netlink_unicast+0x449/0x710 [ 8912.775858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8912.775858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8912.775858][ T7704] ___sys_sendmsg+0xee/0x170 [ 8912.775858][ T7704] __sys_sendmsg+0xcd/0x170 [ 8912.775858][ T7704] do_syscall_64+0xc6/0x1e0 [ 8912.775858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.775858][ T7704] [ 8923.014944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8923.015452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8923.015452][ T7704] netdev_get_by_index+0x5e/0x80 [ 8923.015452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8923.015452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8923.015452][ T7704] ip6_route_add+0x1c/0x140 [ 8923.015452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8923.015452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8923.015452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8923.015452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8923.015452][ T7704] netlink_rcv_skb+0x130/0x360 [ 8923.015452][ T7704] netlink_unicast+0x449/0x710 [ 8923.015452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8923.015452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8923.015452][ T7704] ___sys_sendmsg+0xee/0x170 [ 8923.015452][ T7704] __sys_sendmsg+0xcd/0x170 [ 8923.015452][ T7704] do_syscall_64+0xc6/0x1e0 [ 8923.015452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8923.015452][ T7704] [ 8923.017790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8923.017790][ T7704] netdev_get_by_index+0x5e/0x80 [ 8923.017790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8923.017790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8923.017790][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8923.017790][ T7704] ipv6_add_addr+0x411/0x2000 [ 8923.017790][ T7704] inet6_addr_add+0x30e/0xa40 [ 8923.017790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8923.017790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8923.017790][ T7704] netlink_rcv_skb+0x130/0x360 [ 8923.017790][ T7704] netlink_unicast+0x449/0x710 [ 8923.017790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8923.017790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8923.017790][ T7704] ___sys_sendmsg+0xee/0x170 [ 8923.017790][ T7704] __sys_sendmsg+0xcd/0x170 [ 8923.017790][ T7704] do_syscall_64+0xc6/0x1e0 [ 8923.017790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8923.017790][ T7704] [ 8923.020020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8923.020020][ T7704] netdev_get_by_index+0x5e/0x80 [ 8923.020020][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8923.020020][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8923.020020][ T7704] ip6_route_add+0x1c/0x140 [ 8923.020020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8923.020020][ T7704] addrconf_add_dev+0xe2/0x170 [ 8923.020020][ T7704] inet6_addr_add+0x12f/0xa40 [ 8923.020020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8923.020020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8923.020020][ T7704] netlink_rcv_skb+0x130/0x360 [ 8923.020020][ T7704] netlink_unicast+0x449/0x710 [ 8923.020020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8923.020020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8923.020020][ T7704] ___sys_sendmsg+0xee/0x170 [ 8923.020020][ T7704] __sys_sendmsg+0xcd/0x170 [ 8923.020020][ T7704] do_syscall_64+0xc6/0x1e0 [ 8923.020020][ T7704] [ 8923.022197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8923.022197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8923.022197][ T7704] ipv6_find_idev+0x102/0x170 [ 8923.022197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8923.022197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8923.022197][ T7704] netlink_rcv_skb+0x130/0x360 [ 8923.022197][ T7704] netlink_unicast+0x449/0x710 [ 8923.022197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8923.022197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8923.022197][ T7704] ___sys_sendmsg+0xee/0x170 [ 8923.022197][ T7704] __sys_sendmsg+0xcd/0x170 [ 8923.022197][ T7704] do_syscall_64+0xc6/0x1e0 [ 8923.022197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8923.022197][ T7704] [ 8923.023905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8923.023905][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8923.023905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8923.023905][ T7704] ipv6_find_idev+0x102/0x170 [ 8923.023905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8923.023905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8923.023905][ T7704] netlink_rcv_skb+0x130/0x360 [ 8923.023905][ T7704] netlink_unicast+0x449/0x710 [ 8923.023905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8923.023905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8923.023905][ T7704] ___sys_sendmsg+0xee/0x170 [ 8923.023905][ T7704] __sys_sendmsg+0xcd/0x170 [ 8923.023905][ T7704] do_syscall_64+0xc6/0x1e0 [ 8923.023905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8923.023905][ T7704] [ 8933.262959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8933.263482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8933.263482][ T7704] netdev_get_by_index+0x5e/0x80 [ 8933.263482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8933.263482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8933.263482][ T7704] ip6_route_add+0x1c/0x140 [ 8933.263482][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8933.263482][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8933.263482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.263482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.263482][ T7704] netlink_rcv_skb+0x130/0x360 [ 8933.263482][ T7704] netlink_unicast+0x449/0x710 [ 8933.263482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8933.263482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8933.263482][ T7704] ___sys_sendmsg+0xee/0x170 [ 8933.263482][ T7704] __sys_sendmsg+0xcd/0x170 [ 8933.263482][ T7704] do_syscall_64+0xc6/0x1e0 [ 8933.263482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.263482][ T7704] [ 8933.265730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8933.265730][ T7704] netdev_get_by_index+0x5e/0x80 [ 8933.265730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8933.265730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8933.265730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8933.265730][ T7704] ipv6_add_addr+0x411/0x2000 [ 8933.265730][ T7704] inet6_addr_add+0x30e/0xa40 [ 8933.265730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.265730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.265730][ T7704] netlink_rcv_skb+0x130/0x360 [ 8933.265730][ T7704] netlink_unicast+0x449/0x710 [ 8933.265730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8933.265730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8933.265730][ T7704] ___sys_sendmsg+0xee/0x170 [ 8933.265730][ T7704] __sys_sendmsg+0xcd/0x170 [ 8933.265730][ T7704] do_syscall_64+0xc6/0x1e0 [ 8933.265730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.265730][ T7704] [ 8933.267954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8933.267954][ T7704] netdev_get_by_index+0x5e/0x80 [ 8933.267954][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8933.267954][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8933.267954][ T7704] ip6_route_add+0x1c/0x140 [ 8933.267954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8933.267954][ T7704] addrconf_add_dev+0xe2/0x170 [ 8933.267954][ T7704] inet6_addr_add+0x12f/0xa40 [ 8933.267954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.267954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.267954][ T7704] netlink_rcv_skb+0x130/0x360 [ 8933.267954][ T7704] netlink_unicast+0x449/0x710 [ 8933.267954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8933.267954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8933.267954][ T7704] ___sys_sendmsg+0xee/0x170 [ 8933.267954][ T7704] __sys_sendmsg+0xcd/0x170 [ 8933.267954][ T7704] do_syscall_64+0xc6/0x1e0 [ 8933.267954][ T7704] [ 8933.270141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8933.270141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8933.270141][ T7704] ipv6_find_idev+0x102/0x170 [ 8933.270141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8933.270141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.270141][ T7704] netlink_rcv_skb+0x130/0x360 [ 8933.270141][ T7704] netlink_unicast+0x449/0x710 [ 8933.270141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8933.270141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8933.270141][ T7704] ___sys_sendmsg+0xee/0x170 [ 8933.270141][ T7704] __sys_sendmsg+0xcd/0x170 [ 8933.270141][ T7704] do_syscall_64+0xc6/0x1e0 [ 8933.270141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.270141][ T7704] [ 8933.271865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8933.271865][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8933.271865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8933.271865][ T7704] ipv6_find_idev+0x102/0x170 [ 8933.271865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8933.271865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.271865][ T7704] netlink_rcv_skb+0x130/0x360 [ 8933.271865][ T7704] netlink_unicast+0x449/0x710 [ 8933.271865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8933.271865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8933.271865][ T7704] ___sys_sendmsg+0xee/0x170 [ 8933.271865][ T7704] __sys_sendmsg+0xcd/0x170 [ 8933.271865][ T7704] do_syscall_64+0xc6/0x1e0 [ 8933.271865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.271865][ T7704] [ 8943.510876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8943.511325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8943.511325][ T7704] netdev_get_by_index+0x5e/0x80 [ 8943.511325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8943.511325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8943.511325][ T7704] ip6_route_add+0x1c/0x140 [ 8943.511325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8943.511325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8943.511325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.511325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.511325][ T7704] netlink_rcv_skb+0x130/0x360 [ 8943.511325][ T7704] netlink_unicast+0x449/0x710 [ 8943.511325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8943.511325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8943.511325][ T7704] ___sys_sendmsg+0xee/0x170 [ 8943.511325][ T7704] __sys_sendmsg+0xcd/0x170 [ 8943.511325][ T7704] do_syscall_64+0xc6/0x1e0 [ 8943.511325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.511325][ T7704] [ 8943.513566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8943.513566][ T7704] netdev_get_by_index+0x5e/0x80 [ 8943.513566][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8943.513566][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8943.513566][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8943.513566][ T7704] ipv6_add_addr+0x411/0x2000 [ 8943.513566][ T7704] inet6_addr_add+0x30e/0xa40 [ 8943.513566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.513566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.513566][ T7704] netlink_rcv_skb+0x130/0x360 [ 8943.513566][ T7704] netlink_unicast+0x449/0x710 [ 8943.513566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8943.513566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8943.513566][ T7704] ___sys_sendmsg+0xee/0x170 [ 8943.513566][ T7704] __sys_sendmsg+0xcd/0x170 [ 8943.513566][ T7704] do_syscall_64+0xc6/0x1e0 [ 8943.513566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.513566][ T7704] [ 8943.515872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8943.515872][ T7704] netdev_get_by_index+0x5e/0x80 [ 8943.515872][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8943.515872][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8943.515872][ T7704] ip6_route_add+0x1c/0x140 [ 8943.515872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8943.515872][ T7704] addrconf_add_dev+0xe2/0x170 [ 8943.515872][ T7704] inet6_addr_add+0x12f/0xa40 [ 8943.515872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.515872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.515872][ T7704] netlink_rcv_skb+0x130/0x360 [ 8943.515872][ T7704] netlink_unicast+0x449/0x710 [ 8943.515872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8943.515872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8943.515872][ T7704] ___sys_sendmsg+0xee/0x170 [ 8943.515872][ T7704] __sys_sendmsg+0xcd/0x170 [ 8943.515872][ T7704] do_syscall_64+0xc6/0x1e0 [ 8943.515872][ T7704] [ 8943.518064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8943.518064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8943.518064][ T7704] ipv6_find_idev+0x102/0x170 [ 8943.518064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8943.518064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.518064][ T7704] netlink_rcv_skb+0x130/0x360 [ 8943.518064][ T7704] netlink_unicast+0x449/0x710 [ 8943.518064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8943.518064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8943.518064][ T7704] ___sys_sendmsg+0xee/0x170 [ 8943.518064][ T7704] __sys_sendmsg+0xcd/0x170 [ 8943.518064][ T7704] do_syscall_64+0xc6/0x1e0 [ 8943.518064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.518064][ T7704] [ 8943.519791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8943.519791][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8943.519791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8943.519791][ T7704] ipv6_find_idev+0x102/0x170 [ 8943.519791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8943.519791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.519791][ T7704] netlink_rcv_skb+0x130/0x360 [ 8943.519791][ T7704] netlink_unicast+0x449/0x710 [ 8943.519791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8943.519791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8943.519791][ T7704] ___sys_sendmsg+0xee/0x170 [ 8943.519791][ T7704] __sys_sendmsg+0xcd/0x170 [ 8943.519791][ T7704] do_syscall_64+0xc6/0x1e0 [ 8943.519791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.519791][ T7704] [ 8953.758870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8953.759374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8953.759374][ T7704] netdev_get_by_index+0x5e/0x80 [ 8953.759374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8953.759374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8953.759374][ T7704] ip6_route_add+0x1c/0x140 [ 8953.759374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8953.759374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8953.759374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.759374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.759374][ T7704] netlink_rcv_skb+0x130/0x360 [ 8953.759374][ T7704] netlink_unicast+0x449/0x710 [ 8953.759374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8953.759374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8953.759374][ T7704] ___sys_sendmsg+0xee/0x170 [ 8953.759374][ T7704] __sys_sendmsg+0xcd/0x170 [ 8953.759374][ T7704] do_syscall_64+0xc6/0x1e0 [ 8953.759374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.759374][ T7704] [ 8953.761642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8953.761642][ T7704] netdev_get_by_index+0x5e/0x80 [ 8953.761642][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8953.761642][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8953.761642][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8953.761642][ T7704] ipv6_add_addr+0x411/0x2000 [ 8953.761642][ T7704] inet6_addr_add+0x30e/0xa40 [ 8953.761642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.761642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.761642][ T7704] netlink_rcv_skb+0x130/0x360 [ 8953.761642][ T7704] netlink_unicast+0x449/0x710 [ 8953.761642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8953.761642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8953.761642][ T7704] ___sys_sendmsg+0xee/0x170 [ 8953.761642][ T7704] __sys_sendmsg+0xcd/0x170 [ 8953.761642][ T7704] do_syscall_64+0xc6/0x1e0 [ 8953.761642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.761642][ T7704] [ 8953.763859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8953.763859][ T7704] netdev_get_by_index+0x5e/0x80 [ 8953.763859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8953.763859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8953.763859][ T7704] ip6_route_add+0x1c/0x140 [ 8953.763859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8953.763859][ T7704] addrconf_add_dev+0xe2/0x170 [ 8953.763859][ T7704] inet6_addr_add+0x12f/0xa40 [ 8953.763859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.763859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.763859][ T7704] netlink_rcv_skb+0x130/0x360 [ 8953.763859][ T7704] netlink_unicast+0x449/0x710 [ 8953.763859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8953.763859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8953.763859][ T7704] ___sys_sendmsg+0xee/0x170 [ 8953.763859][ T7704] __sys_sendmsg+0xcd/0x170 [ 8953.763859][ T7704] do_syscall_64+0xc6/0x1e0 [ 8953.763859][ T7704] [ 8953.766044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8953.766044][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8953.766044][ T7704] ipv6_find_idev+0x102/0x170 [ 8953.766044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8953.766044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.766044][ T7704] netlink_rcv_skb+0x130/0x360 [ 8953.766044][ T7704] netlink_unicast+0x449/0x710 [ 8953.766044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8953.766044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8953.766044][ T7704] ___sys_sendmsg+0xee/0x170 [ 8953.766044][ T7704] __sys_sendmsg+0xcd/0x170 [ 8953.766044][ T7704] do_syscall_64+0xc6/0x1e0 [ 8953.766044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.766044][ T7704] [ 8953.767761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8953.767761][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8953.767761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8953.767761][ T7704] ipv6_find_idev+0x102/0x170 [ 8953.767761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8953.767761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.767761][ T7704] netlink_rcv_skb+0x130/0x360 [ 8953.767761][ T7704] netlink_unicast+0x449/0x710 [ 8953.767761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8953.767761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8953.767761][ T7704] ___sys_sendmsg+0xee/0x170 [ 8953.767761][ T7704] __sys_sendmsg+0xcd/0x170 [ 8953.767761][ T7704] do_syscall_64+0xc6/0x1e0 [ 8953.767761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.767761][ T7704] [ 8963.886934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8963.887440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8963.887440][ T7704] netdev_get_by_index+0x5e/0x80 [ 8963.887440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8963.887440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8963.887440][ T7704] ip6_route_add+0x1c/0x140 [ 8963.887440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8963.887440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8963.887440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.887440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.887440][ T7704] netlink_rcv_skb+0x130/0x360 [ 8963.887440][ T7704] netlink_unicast+0x449/0x710 [ 8963.887440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8963.887440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8963.887440][ T7704] ___sys_sendmsg+0xee/0x170 [ 8963.887440][ T7704] __sys_sendmsg+0xcd/0x170 [ 8963.887440][ T7704] do_syscall_64+0xc6/0x1e0 [ 8963.887440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.887440][ T7704] [ 8963.889711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8963.889711][ T7704] netdev_get_by_index+0x5e/0x80 [ 8963.889711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8963.889711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8963.889711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8963.889711][ T7704] ipv6_add_addr+0x411/0x2000 [ 8963.889711][ T7704] inet6_addr_add+0x30e/0xa40 [ 8963.889711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.889711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.889711][ T7704] netlink_rcv_skb+0x130/0x360 [ 8963.889711][ T7704] netlink_unicast+0x449/0x710 [ 8963.889711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8963.889711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8963.889711][ T7704] ___sys_sendmsg+0xee/0x170 [ 8963.889711][ T7704] __sys_sendmsg+0xcd/0x170 [ 8963.889711][ T7704] do_syscall_64+0xc6/0x1e0 [ 8963.889711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.889711][ T7704] [ 8963.891957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8963.891957][ T7704] netdev_get_by_index+0x5e/0x80 [ 8963.891957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8963.891957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8963.891957][ T7704] ip6_route_add+0x1c/0x140 [ 8963.891957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8963.891957][ T7704] addrconf_add_dev+0xe2/0x170 [ 8963.891957][ T7704] inet6_addr_add+0x12f/0xa40 [ 8963.891957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.891957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.891957][ T7704] netlink_rcv_skb+0x130/0x360 [ 8963.891957][ T7704] netlink_unicast+0x449/0x710 [ 8963.891957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8963.891957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8963.891957][ T7704] ___sys_sendmsg+0xee/0x170 [ 8963.891957][ T7704] __sys_sendmsg+0xcd/0x170 [ 8963.891957][ T7704] do_syscall_64+0xc6/0x1e0 [ 8963.891957][ T7704] [ 8963.894151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8963.894151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8963.894151][ T7704] ipv6_find_idev+0x102/0x170 [ 8963.894151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8963.894151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.894151][ T7704] netlink_rcv_skb+0x130/0x360 [ 8963.894151][ T7704] netlink_unicast+0x449/0x710 [ 8963.894151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8963.894151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8963.894151][ T7704] ___sys_sendmsg+0xee/0x170 [ 8963.894151][ T7704] __sys_sendmsg+0xcd/0x170 [ 8963.894151][ T7704] do_syscall_64+0xc6/0x1e0 [ 8963.894151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.894151][ T7704] [ 8963.895863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8963.895863][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8963.895863][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8963.895863][ T7704] ipv6_find_idev+0x102/0x170 [ 8963.895863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8963.895863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.895863][ T7704] netlink_rcv_skb+0x130/0x360 [ 8963.895863][ T7704] netlink_unicast+0x449/0x710 [ 8963.895863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8963.895863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8963.895863][ T7704] ___sys_sendmsg+0xee/0x170 [ 8963.895863][ T7704] __sys_sendmsg+0xcd/0x170 [ 8963.895863][ T7704] do_syscall_64+0xc6/0x1e0 [ 8963.895863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.895863][ T7704] [ 8974.134887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8974.135400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8974.135400][ T7704] netdev_get_by_index+0x5e/0x80 [ 8974.135400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8974.135400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8974.135400][ T7704] ip6_route_add+0x1c/0x140 [ 8974.135400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8974.135400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8974.135400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.135400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.135400][ T7704] netlink_rcv_skb+0x130/0x360 [ 8974.135400][ T7704] netlink_unicast+0x449/0x710 [ 8974.135400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8974.135400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8974.135400][ T7704] ___sys_sendmsg+0xee/0x170 [ 8974.135400][ T7704] __sys_sendmsg+0xcd/0x170 [ 8974.135400][ T7704] do_syscall_64+0xc6/0x1e0 [ 8974.135400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.135400][ T7704] [ 8974.137677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8974.137677][ T7704] netdev_get_by_index+0x5e/0x80 [ 8974.137677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8974.137677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8974.137677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8974.137677][ T7704] ipv6_add_addr+0x411/0x2000 [ 8974.137677][ T7704] inet6_addr_add+0x30e/0xa40 [ 8974.137677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.137677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.137677][ T7704] netlink_rcv_skb+0x130/0x360 [ 8974.137677][ T7704] netlink_unicast+0x449/0x710 [ 8974.137677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8974.137677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8974.137677][ T7704] ___sys_sendmsg+0xee/0x170 [ 8974.137677][ T7704] __sys_sendmsg+0xcd/0x170 [ 8974.137677][ T7704] do_syscall_64+0xc6/0x1e0 [ 8974.137677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.137677][ T7704] [ 8974.139908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8974.139908][ T7704] netdev_get_by_index+0x5e/0x80 [ 8974.139908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8974.139908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8974.139908][ T7704] ip6_route_add+0x1c/0x140 [ 8974.139908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8974.139908][ T7704] addrconf_add_dev+0xe2/0x170 [ 8974.139908][ T7704] inet6_addr_add+0x12f/0xa40 [ 8974.139908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.139908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.139908][ T7704] netlink_rcv_skb+0x130/0x360 [ 8974.139908][ T7704] netlink_unicast+0x449/0x710 [ 8974.139908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8974.139908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8974.139908][ T7704] ___sys_sendmsg+0xee/0x170 [ 8974.139908][ T7704] __sys_sendmsg+0xcd/0x170 [ 8974.139908][ T7704] do_syscall_64+0xc6/0x1e0 [ 8974.139908][ T7704] [ 8974.142232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8974.142232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8974.142232][ T7704] ipv6_find_idev+0x102/0x170 [ 8974.142232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8974.142232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.142232][ T7704] netlink_rcv_skb+0x130/0x360 [ 8974.142232][ T7704] netlink_unicast+0x449/0x710 [ 8974.142232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8974.142232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8974.142232][ T7704] ___sys_sendmsg+0xee/0x170 [ 8974.142232][ T7704] __sys_sendmsg+0xcd/0x170 [ 8974.142232][ T7704] do_syscall_64+0xc6/0x1e0 [ 8974.142232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.142232][ T7704] [ 8974.143959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8974.143959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8974.143959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8974.143959][ T7704] ipv6_find_idev+0x102/0x170 [ 8974.143959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8974.143959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.143959][ T7704] netlink_rcv_skb+0x130/0x360 [ 8974.143959][ T7704] netlink_unicast+0x449/0x710 [ 8974.143959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8974.143959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8974.143959][ T7704] ___sys_sendmsg+0xee/0x170 [ 8974.143959][ T7704] __sys_sendmsg+0xcd/0x170 [ 8974.143959][ T7704] do_syscall_64+0xc6/0x1e0 [ 8974.143959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.143959][ T7704] [ 8984.382937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8984.383464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8984.383464][ T7704] netdev_get_by_index+0x5e/0x80 [ 8984.383464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8984.383464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8984.383464][ T7704] ip6_route_add+0x1c/0x140 [ 8984.383464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8984.383464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8984.383464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.383464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.383464][ T7704] netlink_rcv_skb+0x130/0x360 [ 8984.383464][ T7704] netlink_unicast+0x449/0x710 [ 8984.383464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8984.383464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8984.383464][ T7704] ___sys_sendmsg+0xee/0x170 [ 8984.383464][ T7704] __sys_sendmsg+0xcd/0x170 [ 8984.383464][ T7704] do_syscall_64+0xc6/0x1e0 [ 8984.383464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.383464][ T7704] [ 8984.385748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8984.385748][ T7704] netdev_get_by_index+0x5e/0x80 [ 8984.385748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8984.385748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8984.385748][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8984.385748][ T7704] ipv6_add_addr+0x411/0x2000 [ 8984.385748][ T7704] inet6_addr_add+0x30e/0xa40 [ 8984.385748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.385748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.385748][ T7704] netlink_rcv_skb+0x130/0x360 [ 8984.385748][ T7704] netlink_unicast+0x449/0x710 [ 8984.385748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8984.385748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8984.385748][ T7704] ___sys_sendmsg+0xee/0x170 [ 8984.385748][ T7704] __sys_sendmsg+0xcd/0x170 [ 8984.385748][ T7704] do_syscall_64+0xc6/0x1e0 [ 8984.385748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.385748][ T7704] [ 8984.388024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8984.388024][ T7704] netdev_get_by_index+0x5e/0x80 [ 8984.388024][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8984.388024][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8984.388024][ T7704] ip6_route_add+0x1c/0x140 [ 8984.388024][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8984.388024][ T7704] addrconf_add_dev+0xe2/0x170 [ 8984.388024][ T7704] inet6_addr_add+0x12f/0xa40 [ 8984.388024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.388024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.388024][ T7704] netlink_rcv_skb+0x130/0x360 [ 8984.388024][ T7704] netlink_unicast+0x449/0x710 [ 8984.388024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8984.388024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8984.388024][ T7704] ___sys_sendmsg+0xee/0x170 [ 8984.388024][ T7704] __sys_sendmsg+0xcd/0x170 [ 8984.388024][ T7704] do_syscall_64+0xc6/0x1e0 [ 8984.388024][ T7704] [ 8984.390259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8984.390259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8984.390259][ T7704] ipv6_find_idev+0x102/0x170 [ 8984.390259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8984.390259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.390259][ T7704] netlink_rcv_skb+0x130/0x360 [ 8984.390259][ T7704] netlink_unicast+0x449/0x710 [ 8984.390259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8984.390259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8984.390259][ T7704] ___sys_sendmsg+0xee/0x170 [ 8984.390259][ T7704] __sys_sendmsg+0xcd/0x170 [ 8984.390259][ T7704] do_syscall_64+0xc6/0x1e0 [ 8984.390259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.390259][ T7704] [ 8984.391999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8984.391999][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8984.391999][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8984.391999][ T7704] ipv6_find_idev+0x102/0x170 [ 8984.391999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8984.391999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.391999][ T7704] netlink_rcv_skb+0x130/0x360 [ 8984.391999][ T7704] netlink_unicast+0x449/0x710 [ 8984.391999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8984.391999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8984.391999][ T7704] ___sys_sendmsg+0xee/0x170 [ 8984.391999][ T7704] __sys_sendmsg+0xcd/0x170 [ 8984.391999][ T7704] do_syscall_64+0xc6/0x1e0 [ 8984.391999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.391999][ T7704] [ 8994.838961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8994.839471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8994.839471][ T7704] netdev_get_by_index+0x5e/0x80 [ 8994.839471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8994.839471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8994.839471][ T7704] ip6_route_add+0x1c/0x140 [ 8994.839471][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8994.839471][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8994.839471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.839471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.839471][ T7704] netlink_rcv_skb+0x130/0x360 [ 8994.839471][ T7704] netlink_unicast+0x449/0x710 [ 8994.839471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8994.839471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8994.839471][ T7704] ___sys_sendmsg+0xee/0x170 [ 8994.839471][ T7704] __sys_sendmsg+0xcd/0x170 [ 8994.839471][ T7704] do_syscall_64+0xc6/0x1e0 [ 8994.839471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.839471][ T7704] [ 8994.841710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8994.841710][ T7704] netdev_get_by_index+0x5e/0x80 [ 8994.841710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8994.841710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8994.841710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8994.841710][ T7704] ipv6_add_addr+0x411/0x2000 [ 8994.841710][ T7704] inet6_addr_add+0x30e/0xa40 [ 8994.841710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.841710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.841710][ T7704] netlink_rcv_skb+0x130/0x360 [ 8994.841710][ T7704] netlink_unicast+0x449/0x710 [ 8994.841710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8994.841710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8994.841710][ T7704] ___sys_sendmsg+0xee/0x170 [ 8994.841710][ T7704] __sys_sendmsg+0xcd/0x170 [ 8994.841710][ T7704] do_syscall_64+0xc6/0x1e0 [ 8994.841710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.841710][ T7704] [ 8994.843927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8994.843927][ T7704] netdev_get_by_index+0x5e/0x80 [ 8994.843927][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8994.843927][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8994.843927][ T7704] ip6_route_add+0x1c/0x140 [ 8994.843927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8994.843927][ T7704] addrconf_add_dev+0xe2/0x170 [ 8994.843927][ T7704] inet6_addr_add+0x12f/0xa40 [ 8994.843927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.843927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.843927][ T7704] netlink_rcv_skb+0x130/0x360 [ 8994.843927][ T7704] netlink_unicast+0x449/0x710 [ 8994.843927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8994.843927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8994.843927][ T7704] ___sys_sendmsg+0xee/0x170 [ 8994.843927][ T7704] __sys_sendmsg+0xcd/0x170 [ 8994.843927][ T7704] do_syscall_64+0xc6/0x1e0 [ 8994.843927][ T7704] [ 8994.846110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8994.846110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8994.846110][ T7704] ipv6_find_idev+0x102/0x170 [ 8994.846110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8994.846110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.846110][ T7704] netlink_rcv_skb+0x130/0x360 [ 8994.846110][ T7704] netlink_unicast+0x449/0x710 [ 8994.846110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8994.846110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8994.846110][ T7704] ___sys_sendmsg+0xee/0x170 [ 8994.846110][ T7704] __sys_sendmsg+0xcd/0x170 [ 8994.846110][ T7704] do_syscall_64+0xc6/0x1e0 [ 8994.846110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.846110][ T7704] [ 8994.847833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 8994.847833][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8994.847833][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8994.847833][ T7704] ipv6_find_idev+0x102/0x170 [ 8994.847833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8994.847833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.847833][ T7704] netlink_rcv_skb+0x130/0x360 [ 8994.847833][ T7704] netlink_unicast+0x449/0x710 [ 8994.847833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8994.847833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8994.847833][ T7704] ___sys_sendmsg+0xee/0x170 [ 8994.847833][ T7704] __sys_sendmsg+0xcd/0x170 [ 8994.847833][ T7704] do_syscall_64+0xc6/0x1e0 [ 8994.847833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.847833][ T7704] [ 9005.086932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9005.087383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9005.087383][ T7704] netdev_get_by_index+0x5e/0x80 [ 9005.087383][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9005.087383][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9005.087383][ T7704] ip6_route_add+0x1c/0x140 [ 9005.087383][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9005.087383][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9005.087383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9005.087383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9005.087383][ T7704] netlink_rcv_skb+0x130/0x360 [ 9005.087383][ T7704] netlink_unicast+0x449/0x710 [ 9005.087383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9005.087383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9005.087383][ T7704] ___sys_sendmsg+0xee/0x170 [ 9005.087383][ T7704] __sys_sendmsg+0xcd/0x170 [ 9005.087383][ T7704] do_syscall_64+0xc6/0x1e0 [ 9005.087383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9005.087383][ T7704] [ 9005.089643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9005.089643][ T7704] netdev_get_by_index+0x5e/0x80 [ 9005.089643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9005.089643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9005.089643][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9005.089643][ T7704] ipv6_add_addr+0x411/0x2000 [ 9005.089643][ T7704] inet6_addr_add+0x30e/0xa40 [ 9005.089643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9005.089643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9005.089643][ T7704] netlink_rcv_skb+0x130/0x360 [ 9005.089643][ T7704] netlink_unicast+0x449/0x710 [ 9005.089643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9005.089643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9005.089643][ T7704] ___sys_sendmsg+0xee/0x170 [ 9005.089643][ T7704] __sys_sendmsg+0xcd/0x170 [ 9005.089643][ T7704] do_syscall_64+0xc6/0x1e0 [ 9005.089643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9005.089643][ T7704] [ 9005.091858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9005.091858][ T7704] netdev_get_by_index+0x5e/0x80 [ 9005.091858][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9005.091858][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9005.091858][ T7704] ip6_route_add+0x1c/0x140 [ 9005.091858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9005.091858][ T7704] addrconf_add_dev+0xe2/0x170 [ 9005.091858][ T7704] inet6_addr_add+0x12f/0xa40 [ 9005.091858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9005.091858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9005.091858][ T7704] netlink_rcv_skb+0x130/0x360 [ 9005.091858][ T7704] netlink_unicast+0x449/0x710 [ 9005.091858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9005.091858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9005.091858][ T7704] ___sys_sendmsg+0xee/0x170 [ 9005.091858][ T7704] __sys_sendmsg+0xcd/0x170 [ 9005.091858][ T7704] do_syscall_64+0xc6/0x1e0 [ 9005.091858][ T7704] [ 9005.094036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9005.094036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9005.094036][ T7704] ipv6_find_idev+0x102/0x170 [ 9005.094036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9005.094036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9005.094036][ T7704] netlink_rcv_skb+0x130/0x360 [ 9005.094036][ T7704] netlink_unicast+0x449/0x710 [ 9005.094036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9005.094036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9005.094036][ T7704] ___sys_sendmsg+0xee/0x170 [ 9005.094036][ T7704] __sys_sendmsg+0xcd/0x170 [ 9005.094036][ T7704] do_syscall_64+0xc6/0x1e0 [ 9005.094036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9005.094036][ T7704] [ 9005.095745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9005.095745][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9005.095745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9005.095745][ T7704] ipv6_find_idev+0x102/0x170 [ 9005.095745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9005.095745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9005.095745][ T7704] netlink_rcv_skb+0x130/0x360 [ 9005.095745][ T7704] netlink_unicast+0x449/0x710 [ 9005.095745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9005.095745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9005.095745][ T7704] ___sys_sendmsg+0xee/0x170 [ 9005.095745][ T7704] __sys_sendmsg+0xcd/0x170 [ 9005.095745][ T7704] do_syscall_64+0xc6/0x1e0 [ 9005.095745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9005.095745][ T7704] [ 9015.334934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9015.335440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9015.335440][ T7704] netdev_get_by_index+0x5e/0x80 [ 9015.335440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9015.335440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9015.335440][ T7704] ip6_route_add+0x1c/0x140 [ 9015.335440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9015.335440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9015.335440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.335440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.335440][ T7704] netlink_rcv_skb+0x130/0x360 [ 9015.335440][ T7704] netlink_unicast+0x449/0x710 [ 9015.335440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9015.335440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9015.335440][ T7704] ___sys_sendmsg+0xee/0x170 [ 9015.335440][ T7704] __sys_sendmsg+0xcd/0x170 [ 9015.335440][ T7704] do_syscall_64+0xc6/0x1e0 [ 9015.335440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.335440][ T7704] [ 9015.337715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9015.337715][ T7704] netdev_get_by_index+0x5e/0x80 [ 9015.337715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9015.337715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9015.337715][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9015.337715][ T7704] ipv6_add_addr+0x411/0x2000 [ 9015.337715][ T7704] inet6_addr_add+0x30e/0xa40 [ 9015.337715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.337715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.337715][ T7704] netlink_rcv_skb+0x130/0x360 [ 9015.337715][ T7704] netlink_unicast+0x449/0x710 [ 9015.337715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9015.337715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9015.337715][ T7704] ___sys_sendmsg+0xee/0x170 [ 9015.337715][ T7704] __sys_sendmsg+0xcd/0x170 [ 9015.337715][ T7704] do_syscall_64+0xc6/0x1e0 [ 9015.337715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.337715][ T7704] [ 9015.339934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9015.339934][ T7704] netdev_get_by_index+0x5e/0x80 [ 9015.339934][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9015.339934][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9015.339934][ T7704] ip6_route_add+0x1c/0x140 [ 9015.339934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9015.339934][ T7704] addrconf_add_dev+0xe2/0x170 [ 9015.339934][ T7704] inet6_addr_add+0x12f/0xa40 [ 9015.339934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.339934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.339934][ T7704] netlink_rcv_skb+0x130/0x360 [ 9015.339934][ T7704] netlink_unicast+0x449/0x710 [ 9015.339934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9015.339934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9015.339934][ T7704] ___sys_sendmsg+0xee/0x170 [ 9015.339934][ T7704] __sys_sendmsg+0xcd/0x170 [ 9015.339934][ T7704] do_syscall_64+0xc6/0x1e0 [ 9015.339934][ T7704] [ 9015.342121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9015.342121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9015.342121][ T7704] ipv6_find_idev+0x102/0x170 [ 9015.342121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9015.342121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.342121][ T7704] netlink_rcv_skb+0x130/0x360 [ 9015.342121][ T7704] netlink_unicast+0x449/0x710 [ 9015.342121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9015.342121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9015.342121][ T7704] ___sys_sendmsg+0xee/0x170 [ 9015.342121][ T7704] __sys_sendmsg+0xcd/0x170 [ 9015.342121][ T7704] do_syscall_64+0xc6/0x1e0 [ 9015.342121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.342121][ T7704] [ 9015.344107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9015.344107][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9015.344107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9015.344107][ T7704] ipv6_find_idev+0x102/0x170 [ 9015.344107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9015.344107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.344107][ T7704] netlink_rcv_skb+0x130/0x360 [ 9015.344107][ T7704] netlink_unicast+0x449/0x710 [ 9015.344107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9015.344107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9015.344107][ T7704] ___sys_sendmsg+0xee/0x170 [ 9015.344107][ T7704] __sys_sendmsg+0xcd/0x170 [ 9015.344107][ T7704] do_syscall_64+0xc6/0x1e0 [ 9015.344107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.344107][ T7704] [ 9025.839040][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9025.839487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9025.839487][ T7704] netdev_get_by_index+0x5e/0x80 [ 9025.839487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9025.839487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9025.839487][ T7704] ip6_route_add+0x1c/0x140 [ 9025.839487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9025.839487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9025.839487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.839487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.839487][ T7704] netlink_rcv_skb+0x130/0x360 [ 9025.839487][ T7704] netlink_unicast+0x449/0x710 [ 9025.839487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9025.839487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9025.839487][ T7704] ___sys_sendmsg+0xee/0x170 [ 9025.839487][ T7704] __sys_sendmsg+0xcd/0x170 [ 9025.839487][ T7704] do_syscall_64+0xc6/0x1e0 [ 9025.839487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.839487][ T7704] [ 9025.841823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9025.841823][ T7704] netdev_get_by_index+0x5e/0x80 [ 9025.841823][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9025.841823][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9025.841823][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9025.841823][ T7704] ipv6_add_addr+0x411/0x2000 [ 9025.841823][ T7704] inet6_addr_add+0x30e/0xa40 [ 9025.841823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.841823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.841823][ T7704] netlink_rcv_skb+0x130/0x360 [ 9025.841823][ T7704] netlink_unicast+0x449/0x710 [ 9025.841823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9025.841823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9025.841823][ T7704] ___sys_sendmsg+0xee/0x170 [ 9025.841823][ T7704] __sys_sendmsg+0xcd/0x170 [ 9025.841823][ T7704] do_syscall_64+0xc6/0x1e0 [ 9025.841823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.841823][ T7704] [ 9025.844045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9025.844045][ T7704] netdev_get_by_index+0x5e/0x80 [ 9025.844045][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9025.844045][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9025.844045][ T7704] ip6_route_add+0x1c/0x140 [ 9025.844045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9025.844045][ T7704] addrconf_add_dev+0xe2/0x170 [ 9025.844045][ T7704] inet6_addr_add+0x12f/0xa40 [ 9025.844045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.844045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.844045][ T7704] netlink_rcv_skb+0x130/0x360 [ 9025.844045][ T7704] netlink_unicast+0x449/0x710 [ 9025.844045][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9025.844045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9025.844045][ T7704] ___sys_sendmsg+0xee/0x170 [ 9025.844045][ T7704] __sys_sendmsg+0xcd/0x170 [ 9025.844045][ T7704] do_syscall_64+0xc6/0x1e0 [ 9025.844045][ T7704] [ 9025.846218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9025.846218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9025.846218][ T7704] ipv6_find_idev+0x102/0x170 [ 9025.846218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9025.846218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.846218][ T7704] netlink_rcv_skb+0x130/0x360 [ 9025.846218][ T7704] netlink_unicast+0x449/0x710 [ 9025.846218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9025.846218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9025.846218][ T7704] ___sys_sendmsg+0xee/0x170 [ 9025.846218][ T7704] __sys_sendmsg+0xcd/0x170 [ 9025.846218][ T7704] do_syscall_64+0xc6/0x1e0 [ 9025.846218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.846218][ T7704] [ 9025.847937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9025.847937][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9025.847937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9025.847937][ T7704] ipv6_find_idev+0x102/0x170 [ 9025.847937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9025.847937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.847937][ T7704] netlink_rcv_skb+0x130/0x360 [ 9025.847937][ T7704] netlink_unicast+0x449/0x710 [ 9025.847937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9025.847937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9025.847937][ T7704] ___sys_sendmsg+0xee/0x170 [ 9025.847937][ T7704] __sys_sendmsg+0xcd/0x170 [ 9025.847937][ T7704] do_syscall_64+0xc6/0x1e0 [ 9025.847937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.847937][ T7704] [ 9036.086878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9036.087404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9036.087404][ T7704] netdev_get_by_index+0x5e/0x80 [ 9036.087404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9036.087404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9036.087404][ T7704] ip6_route_add+0x1c/0x140 [ 9036.087404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9036.087404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9036.087404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9036.087404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9036.087404][ T7704] netlink_rcv_skb+0x130/0x360 [ 9036.087404][ T7704] netlink_unicast+0x449/0x710 [ 9036.087404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9036.087404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9036.087404][ T7704] ___sys_sendmsg+0xee/0x170 [ 9036.087404][ T7704] __sys_sendmsg+0xcd/0x170 [ 9036.087404][ T7704] do_syscall_64+0xc6/0x1e0 [ 9036.087404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9036.087404][ T7704] [ 9036.089657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9036.089657][ T7704] netdev_get_by_index+0x5e/0x80 [ 9036.089657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9036.089657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9036.089657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9036.089657][ T7704] ipv6_add_addr+0x411/0x2000 [ 9036.089657][ T7704] inet6_addr_add+0x30e/0xa40 [ 9036.089657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9036.089657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9036.089657][ T7704] netlink_rcv_skb+0x130/0x360 [ 9036.089657][ T7704] netlink_unicast+0x449/0x710 [ 9036.089657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9036.089657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9036.089657][ T7704] ___sys_sendmsg+0xee/0x170 [ 9036.089657][ T7704] __sys_sendmsg+0xcd/0x170 [ 9036.089657][ T7704] do_syscall_64+0xc6/0x1e0 [ 9036.089657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9036.089657][ T7704] [ 9036.091906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9036.091906][ T7704] netdev_get_by_index+0x5e/0x80 [ 9036.091906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9036.091906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9036.091906][ T7704] ip6_route_add+0x1c/0x140 [ 9036.091906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9036.091906][ T7704] addrconf_add_dev+0xe2/0x170 [ 9036.091906][ T7704] inet6_addr_add+0x12f/0xa40 [ 9036.091906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9036.091906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9036.091906][ T7704] netlink_rcv_skb+0x130/0x360 [ 9036.091906][ T7704] netlink_unicast+0x449/0x710 [ 9036.091906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9036.091906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9036.091906][ T7704] ___sys_sendmsg+0xee/0x170 [ 9036.091906][ T7704] __sys_sendmsg+0xcd/0x170 [ 9036.091906][ T7704] do_syscall_64+0xc6/0x1e0 [ 9036.091906][ T7704] [ 9036.094112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9036.094112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9036.094112][ T7704] ipv6_find_idev+0x102/0x170 [ 9036.094112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9036.094112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9036.094112][ T7704] netlink_rcv_skb+0x130/0x360 [ 9036.094112][ T7704] netlink_unicast+0x449/0x710 [ 9036.094112][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9036.094112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9036.094112][ T7704] ___sys_sendmsg+0xee/0x170 [ 9036.094112][ T7704] __sys_sendmsg+0xcd/0x170 [ 9036.094112][ T7704] do_syscall_64+0xc6/0x1e0 [ 9036.094112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9036.094112][ T7704] [ 9036.095836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9036.095836][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9036.095836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9036.095836][ T7704] ipv6_find_idev+0x102/0x170 [ 9036.095836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9036.095836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9036.095836][ T7704] netlink_rcv_skb+0x130/0x360 [ 9036.095836][ T7704] netlink_unicast+0x449/0x710 [ 9036.095836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9036.095836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9036.095836][ T7704] ___sys_sendmsg+0xee/0x170 [ 9036.095836][ T7704] __sys_sendmsg+0xcd/0x170 [ 9036.095836][ T7704] do_syscall_64+0xc6/0x1e0 [ 9036.095836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9036.095836][ T7704] [ 9046.334960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9046.335507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9046.335507][ T7704] netdev_get_by_index+0x5e/0x80 [ 9046.335507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9046.335507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9046.335507][ T7704] ip6_route_add+0x1c/0x140 [ 9046.335507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9046.335507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9046.335507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9046.335507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9046.335507][ T7704] netlink_rcv_skb+0x130/0x360 [ 9046.335507][ T7704] netlink_unicast+0x449/0x710 [ 9046.335507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9046.335507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9046.335507][ T7704] ___sys_sendmsg+0xee/0x170 [ 9046.335507][ T7704] __sys_sendmsg+0xcd/0x170 [ 9046.335507][ T7704] do_syscall_64+0xc6/0x1e0 [ 9046.335507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9046.335507][ T7704] [ 9046.337812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9046.337812][ T7704] netdev_get_by_index+0x5e/0x80 [ 9046.337812][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9046.337812][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9046.337812][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9046.337812][ T7704] ipv6_add_addr+0x411/0x2000 [ 9046.337812][ T7704] inet6_addr_add+0x30e/0xa40 [ 9046.337812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9046.337812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9046.337812][ T7704] netlink_rcv_skb+0x130/0x360 [ 9046.337812][ T7704] netlink_unicast+0x449/0x710 [ 9046.337812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9046.337812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9046.337812][ T7704] ___sys_sendmsg+0xee/0x170 [ 9046.337812][ T7704] __sys_sendmsg+0xcd/0x170 [ 9046.337812][ T7704] do_syscall_64+0xc6/0x1e0 [ 9046.337812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9046.337812][ T7704] [ 9046.340073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9046.340073][ T7704] netdev_get_by_index+0x5e/0x80 [ 9046.340073][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9046.340073][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9046.340073][ T7704] ip6_route_add+0x1c/0x140 [ 9046.340073][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9046.340073][ T7704] addrconf_add_dev+0xe2/0x170 [ 9046.340073][ T7704] inet6_addr_add+0x12f/0xa40 [ 9046.340073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9046.340073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9046.340073][ T7704] netlink_rcv_skb+0x130/0x360 [ 9046.340073][ T7704] netlink_unicast+0x449/0x710 [ 9046.340073][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9046.340073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9046.340073][ T7704] ___sys_sendmsg+0xee/0x170 [ 9046.340073][ T7704] __sys_sendmsg+0xcd/0x170 [ 9046.340073][ T7704] do_syscall_64+0xc6/0x1e0 [ 9046.340073][ T7704] [ 9046.342287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9046.342287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9046.342287][ T7704] ipv6_find_idev+0x102/0x170 [ 9046.342287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9046.342287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9046.342287][ T7704] netlink_rcv_skb+0x130/0x360 [ 9046.342287][ T7704] netlink_unicast+0x449/0x710 [ 9046.342287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9046.342287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9046.342287][ T7704] ___sys_sendmsg+0xee/0x170 [ 9046.342287][ T7704] __sys_sendmsg+0xcd/0x170 [ 9046.342287][ T7704] do_syscall_64+0xc6/0x1e0 [ 9046.342287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9046.342287][ T7704] [ 9046.344018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9046.344018][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9046.344018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9046.344018][ T7704] ipv6_find_idev+0x102/0x170 [ 9046.344018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9046.344018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9046.344018][ T7704] netlink_rcv_skb+0x130/0x360 [ 9046.344018][ T7704] netlink_unicast+0x449/0x710 [ 9046.344018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9046.344018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9046.344018][ T7704] ___sys_sendmsg+0xee/0x170 [ 9046.344018][ T7704] __sys_sendmsg+0xcd/0x170 [ 9046.344018][ T7704] do_syscall_64+0xc6/0x1e0 [ 9046.344018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9046.344018][ T7704] [ 9056.582944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9056.583469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9056.583469][ T7704] netdev_get_by_index+0x5e/0x80 [ 9056.583469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9056.583469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9056.583469][ T7704] ip6_route_add+0x1c/0x140 [ 9056.583469][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9056.583469][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9056.583469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.583469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.583469][ T7704] netlink_rcv_skb+0x130/0x360 [ 9056.583469][ T7704] netlink_unicast+0x449/0x710 [ 9056.583469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9056.583469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9056.583469][ T7704] ___sys_sendmsg+0xee/0x170 [ 9056.583469][ T7704] __sys_sendmsg+0xcd/0x170 [ 9056.583469][ T7704] do_syscall_64+0xc6/0x1e0 [ 9056.583469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.583469][ T7704] [ 9056.585741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9056.585741][ T7704] netdev_get_by_index+0x5e/0x80 [ 9056.585741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9056.585741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9056.585741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9056.585741][ T7704] ipv6_add_addr+0x411/0x2000 [ 9056.585741][ T7704] inet6_addr_add+0x30e/0xa40 [ 9056.585741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.585741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.585741][ T7704] netlink_rcv_skb+0x130/0x360 [ 9056.585741][ T7704] netlink_unicast+0x449/0x710 [ 9056.585741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9056.585741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9056.585741][ T7704] ___sys_sendmsg+0xee/0x170 [ 9056.585741][ T7704] __sys_sendmsg+0xcd/0x170 [ 9056.585741][ T7704] do_syscall_64+0xc6/0x1e0 [ 9056.585741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.585741][ T7704] [ 9056.588057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9056.588057][ T7704] netdev_get_by_index+0x5e/0x80 [ 9056.588057][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9056.588057][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9056.588057][ T7704] ip6_route_add+0x1c/0x140 [ 9056.588057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9056.588057][ T7704] addrconf_add_dev+0xe2/0x170 [ 9056.588057][ T7704] inet6_addr_add+0x12f/0xa40 [ 9056.588057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.588057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.588057][ T7704] netlink_rcv_skb+0x130/0x360 [ 9056.588057][ T7704] netlink_unicast+0x449/0x710 [ 9056.588057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9056.588057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9056.588057][ T7704] ___sys_sendmsg+0xee/0x170 [ 9056.588057][ T7704] __sys_sendmsg+0xcd/0x170 [ 9056.588057][ T7704] do_syscall_64+0xc6/0x1e0 [ 9056.588057][ T7704] [ 9056.590263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9056.590263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9056.590263][ T7704] ipv6_find_idev+0x102/0x170 [ 9056.590263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9056.590263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.590263][ T7704] netlink_rcv_skb+0x130/0x360 [ 9056.590263][ T7704] netlink_unicast+0x449/0x710 [ 9056.590263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9056.590263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9056.590263][ T7704] ___sys_sendmsg+0xee/0x170 [ 9056.590263][ T7704] __sys_sendmsg+0xcd/0x170 [ 9056.590263][ T7704] do_syscall_64+0xc6/0x1e0 [ 9056.590263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.590263][ T7704] [ 9056.591991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9056.591991][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9056.591991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9056.591991][ T7704] ipv6_find_idev+0x102/0x170 [ 9056.591991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9056.591991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.591991][ T7704] netlink_rcv_skb+0x130/0x360 [ 9056.591991][ T7704] netlink_unicast+0x449/0x710 [ 9056.591991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9056.591991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9056.591991][ T7704] ___sys_sendmsg+0xee/0x170 [ 9056.591991][ T7704] __sys_sendmsg+0xcd/0x170 [ 9056.591991][ T7704] do_syscall_64+0xc6/0x1e0 [ 9056.591991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.591991][ T7704] [ 9066.758852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9066.759775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9066.759775][ T7704] netdev_get_by_index+0x5e/0x80 [ 9066.759775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9066.759775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9066.759775][ T7704] ip6_route_add+0x1c/0x140 [ 9066.759775][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9066.759775][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9066.759775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.759775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.759775][ T7704] netlink_rcv_skb+0x130/0x360 [ 9066.759775][ T7704] netlink_unicast+0x449/0x710 [ 9066.759775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9066.759775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9066.759775][ T7704] ___sys_sendmsg+0xee/0x170 [ 9066.759775][ T7704] __sys_sendmsg+0xcd/0x170 [ 9066.759775][ T7704] do_syscall_64+0xc6/0x1e0 [ 9066.759775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.759775][ T7704] [ 9066.762064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9066.762064][ T7704] netdev_get_by_index+0x5e/0x80 [ 9066.762064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9066.762064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9066.762064][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9066.762064][ T7704] ipv6_add_addr+0x411/0x2000 [ 9066.762064][ T7704] inet6_addr_add+0x30e/0xa40 [ 9066.762064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.762064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.762064][ T7704] netlink_rcv_skb+0x130/0x360 [ 9066.762064][ T7704] netlink_unicast+0x449/0x710 [ 9066.762064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9066.762064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9066.762064][ T7704] ___sys_sendmsg+0xee/0x170 [ 9066.762064][ T7704] __sys_sendmsg+0xcd/0x170 [ 9066.762064][ T7704] do_syscall_64+0xc6/0x1e0 [ 9066.762064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.762064][ T7704] [ 9066.764329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9066.764329][ T7704] netdev_get_by_index+0x5e/0x80 [ 9066.764329][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9066.764329][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9066.764329][ T7704] ip6_route_add+0x1c/0x140 [ 9066.764329][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9066.764329][ T7704] addrconf_add_dev+0xe2/0x170 [ 9066.764329][ T7704] inet6_addr_add+0x12f/0xa40 [ 9066.764329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.764329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.764329][ T7704] netlink_rcv_skb+0x130/0x360 [ 9066.764329][ T7704] netlink_unicast+0x449/0x710 [ 9066.764329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9066.764329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9066.764329][ T7704] ___sys_sendmsg+0xee/0x170 [ 9066.764329][ T7704] __sys_sendmsg+0xcd/0x170 [ 9066.764329][ T7704] do_syscall_64+0xc6/0x1e0 [ 9066.764329][ T7704] [ 9066.766554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9066.766554][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9066.766554][ T7704] ipv6_find_idev+0x102/0x170 [ 9066.766554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9066.766554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.766554][ T7704] netlink_rcv_skb+0x130/0x360 [ 9066.766554][ T7704] netlink_unicast+0x449/0x710 [ 9066.766554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9066.766554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9066.766554][ T7704] ___sys_sendmsg+0xee/0x170 [ 9066.766554][ T7704] __sys_sendmsg+0xcd/0x170 [ 9066.766554][ T7704] do_syscall_64+0xc6/0x1e0 [ 9066.766554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.766554][ T7704] [ 9066.768312][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9066.768312][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9066.768312][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9066.768312][ T7704] ipv6_find_idev+0x102/0x170 [ 9066.768312][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9066.768312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.768312][ T7704] netlink_rcv_skb+0x130/0x360 [ 9066.768312][ T7704] netlink_unicast+0x449/0x710 [ 9066.768312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9066.768312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9066.768312][ T7704] ___sys_sendmsg+0xee/0x170 [ 9066.768312][ T7704] __sys_sendmsg+0xcd/0x170 [ 9066.768312][ T7704] do_syscall_64+0xc6/0x1e0 [ 9066.768312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.768312][ T7704] [ 9077.006867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9077.007432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9077.007432][ T7704] netdev_get_by_index+0x5e/0x80 [ 9077.007432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9077.007432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9077.007432][ T7704] ip6_route_add+0x1c/0x140 [ 9077.007432][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9077.007432][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9077.007432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9077.007432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9077.007432][ T7704] netlink_rcv_skb+0x130/0x360 [ 9077.007432][ T7704] netlink_unicast+0x449/0x710 [ 9077.007432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9077.007432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9077.007432][ T7704] ___sys_sendmsg+0xee/0x170 [ 9077.007432][ T7704] __sys_sendmsg+0xcd/0x170 [ 9077.007432][ T7704] do_syscall_64+0xc6/0x1e0 [ 9077.007432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9077.007432][ T7704] [ 9077.009714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9077.009714][ T7704] netdev_get_by_index+0x5e/0x80 [ 9077.009714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9077.009714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9077.009714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9077.009714][ T7704] ipv6_add_addr+0x411/0x2000 [ 9077.009714][ T7704] inet6_addr_add+0x30e/0xa40 [ 9077.009714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9077.009714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9077.009714][ T7704] netlink_rcv_skb+0x130/0x360 [ 9077.009714][ T7704] netlink_unicast+0x449/0x710 [ 9077.009714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9077.009714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9077.009714][ T7704] ___sys_sendmsg+0xee/0x170 [ 9077.009714][ T7704] __sys_sendmsg+0xcd/0x170 [ 9077.009714][ T7704] do_syscall_64+0xc6/0x1e0 [ 9077.009714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9077.009714][ T7704] [ 9077.011986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9077.011986][ T7704] netdev_get_by_index+0x5e/0x80 [ 9077.011986][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9077.011986][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9077.011986][ T7704] ip6_route_add+0x1c/0x140 [ 9077.011986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9077.011986][ T7704] addrconf_add_dev+0xe2/0x170 [ 9077.011986][ T7704] inet6_addr_add+0x12f/0xa40 [ 9077.011986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9077.011986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9077.011986][ T7704] netlink_rcv_skb+0x130/0x360 [ 9077.011986][ T7704] netlink_unicast+0x449/0x710 [ 9077.011986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9077.011986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9077.011986][ T7704] ___sys_sendmsg+0xee/0x170 [ 9077.011986][ T7704] __sys_sendmsg+0xcd/0x170 [ 9077.011986][ T7704] do_syscall_64+0xc6/0x1e0 [ 9077.011986][ T7704] [ 9077.014216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9077.014216][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9077.014216][ T7704] ipv6_find_idev+0x102/0x170 [ 9077.014216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9077.014216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9077.014216][ T7704] netlink_rcv_skb+0x130/0x360 [ 9077.014216][ T7704] netlink_unicast+0x449/0x710 [ 9077.014216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9077.014216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9077.014216][ T7704] ___sys_sendmsg+0xee/0x170 [ 9077.014216][ T7704] __sys_sendmsg+0xcd/0x170 [ 9077.014216][ T7704] do_syscall_64+0xc6/0x1e0 [ 9077.014216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9077.014216][ T7704] [ 9077.015970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9077.015970][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9077.015970][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9077.015970][ T7704] ipv6_find_idev+0x102/0x170 [ 9077.015970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9077.015970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9077.015970][ T7704] netlink_rcv_skb+0x130/0x360 [ 9077.015970][ T7704] netlink_unicast+0x449/0x710 [ 9077.015970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9077.015970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9077.015970][ T7704] ___sys_sendmsg+0xee/0x170 [ 9077.015970][ T7704] __sys_sendmsg+0xcd/0x170 [ 9077.015970][ T7704] do_syscall_64+0xc6/0x1e0 [ 9077.015970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9077.015970][ T7704] [ 9087.254866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9087.255393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9087.255393][ T7704] netdev_get_by_index+0x5e/0x80 [ 9087.255393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9087.255393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9087.255393][ T7704] ip6_route_add+0x1c/0x140 [ 9087.255393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9087.255393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9087.255393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9087.255393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9087.255393][ T7704] netlink_rcv_skb+0x130/0x360 [ 9087.255393][ T7704] netlink_unicast+0x449/0x710 [ 9087.255393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9087.255393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9087.255393][ T7704] ___sys_sendmsg+0xee/0x170 [ 9087.255393][ T7704] __sys_sendmsg+0xcd/0x170 [ 9087.255393][ T7704] do_syscall_64+0xc6/0x1e0 [ 9087.255393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9087.255393][ T7704] [ 9087.258143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9087.258143][ T7704] netdev_get_by_index+0x5e/0x80 [ 9087.258143][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9087.258143][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9087.258143][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9087.258143][ T7704] ipv6_add_addr+0x411/0x2000 [ 9087.258143][ T7704] inet6_addr_add+0x30e/0xa40 [ 9087.258143][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9087.258143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9087.258143][ T7704] netlink_rcv_skb+0x130/0x360 [ 9087.258143][ T7704] netlink_unicast+0x449/0x710 [ 9087.258143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9087.258143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9087.258143][ T7704] ___sys_sendmsg+0xee/0x170 [ 9087.258143][ T7704] __sys_sendmsg+0xcd/0x170 [ 9087.258143][ T7704] do_syscall_64+0xc6/0x1e0 [ 9087.258143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9087.258143][ T7704] [ 9087.260414][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9087.260414][ T7704] netdev_get_by_index+0x5e/0x80 [ 9087.260414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9087.260414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9087.260414][ T7704] ip6_route_add+0x1c/0x140 [ 9087.260414][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9087.260414][ T7704] addrconf_add_dev+0xe2/0x170 [ 9087.260414][ T7704] inet6_addr_add+0x12f/0xa40 [ 9087.260414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9087.260414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9087.260414][ T7704] netlink_rcv_skb+0x130/0x360 [ 9087.260414][ T7704] netlink_unicast+0x449/0x710 [ 9087.260414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9087.260414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9087.260414][ T7704] ___sys_sendmsg+0xee/0x170 [ 9087.260414][ T7704] __sys_sendmsg+0xcd/0x170 [ 9087.260414][ T7704] do_syscall_64+0xc6/0x1e0 [ 9087.260414][ T7704] [ 9087.262638][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9087.262638][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9087.262638][ T7704] ipv6_find_idev+0x102/0x170 [ 9087.262638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9087.262638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9087.262638][ T7704] netlink_rcv_skb+0x130/0x360 [ 9087.262638][ T7704] netlink_unicast+0x449/0x710 [ 9087.262638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9087.262638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9087.262638][ T7704] ___sys_sendmsg+0xee/0x170 [ 9087.262638][ T7704] __sys_sendmsg+0xcd/0x170 [ 9087.262638][ T7704] do_syscall_64+0xc6/0x1e0 [ 9087.262638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9087.262638][ T7704] [ 9087.264386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9087.264386][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9087.264386][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9087.264386][ T7704] ipv6_find_idev+0x102/0x170 [ 9087.264386][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9087.264386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9087.264386][ T7704] netlink_rcv_skb+0x130/0x360 [ 9087.264386][ T7704] netlink_unicast+0x449/0x710 [ 9087.264386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9087.264386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9087.264386][ T7704] ___sys_sendmsg+0xee/0x170 [ 9087.264386][ T7704] __sys_sendmsg+0xcd/0x170 [ 9087.264386][ T7704] do_syscall_64+0xc6/0x1e0 [ 9087.264386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9087.264386][ T7704] [ 9097.502868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9097.503410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9097.503410][ T7704] netdev_get_by_index+0x5e/0x80 [ 9097.503410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9097.503410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9097.503410][ T7704] ip6_route_add+0x1c/0x140 [ 9097.503410][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9097.503410][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9097.503410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.503410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.503410][ T7704] netlink_rcv_skb+0x130/0x360 [ 9097.503410][ T7704] netlink_unicast+0x449/0x710 [ 9097.503410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9097.503410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9097.503410][ T7704] ___sys_sendmsg+0xee/0x170 [ 9097.503410][ T7704] __sys_sendmsg+0xcd/0x170 [ 9097.503410][ T7704] do_syscall_64+0xc6/0x1e0 [ 9097.503410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.503410][ T7704] [ 9097.505704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9097.505704][ T7704] netdev_get_by_index+0x5e/0x80 [ 9097.505704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9097.505704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9097.505704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9097.505704][ T7704] ipv6_add_addr+0x411/0x2000 [ 9097.505704][ T7704] inet6_addr_add+0x30e/0xa40 [ 9097.505704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.505704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.505704][ T7704] netlink_rcv_skb+0x130/0x360 [ 9097.505704][ T7704] netlink_unicast+0x449/0x710 [ 9097.505704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9097.505704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9097.505704][ T7704] ___sys_sendmsg+0xee/0x170 [ 9097.505704][ T7704] __sys_sendmsg+0xcd/0x170 [ 9097.505704][ T7704] do_syscall_64+0xc6/0x1e0 [ 9097.505704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.505704][ T7704] [ 9097.507997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9097.507997][ T7704] netdev_get_by_index+0x5e/0x80 [ 9097.507997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9097.507997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9097.507997][ T7704] ip6_route_add+0x1c/0x140 [ 9097.507997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9097.507997][ T7704] addrconf_add_dev+0xe2/0x170 [ 9097.507997][ T7704] inet6_addr_add+0x12f/0xa40 [ 9097.507997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.507997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.507997][ T7704] netlink_rcv_skb+0x130/0x360 [ 9097.507997][ T7704] netlink_unicast+0x449/0x710 [ 9097.507997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9097.507997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9097.507997][ T7704] ___sys_sendmsg+0xee/0x170 [ 9097.507997][ T7704] __sys_sendmsg+0xcd/0x170 [ 9097.507997][ T7704] do_syscall_64+0xc6/0x1e0 [ 9097.507997][ T7704] [ 9097.510221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9097.510221][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9097.510221][ T7704] ipv6_find_idev+0x102/0x170 [ 9097.510221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9097.510221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.510221][ T7704] netlink_rcv_skb+0x130/0x360 [ 9097.510221][ T7704] netlink_unicast+0x449/0x710 [ 9097.510221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9097.510221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9097.510221][ T7704] ___sys_sendmsg+0xee/0x170 [ 9097.510221][ T7704] __sys_sendmsg+0xcd/0x170 [ 9097.510221][ T7704] do_syscall_64+0xc6/0x1e0 [ 9097.510221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.510221][ T7704] [ 9097.511959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9097.511959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9097.511959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9097.511959][ T7704] ipv6_find_idev+0x102/0x170 [ 9097.511959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9097.511959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.511959][ T7704] netlink_rcv_skb+0x130/0x360 [ 9097.511959][ T7704] netlink_unicast+0x449/0x710 [ 9097.511959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9097.511959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9097.511959][ T7704] ___sys_sendmsg+0xee/0x170 [ 9097.511959][ T7704] __sys_sendmsg+0xcd/0x170 [ 9097.511959][ T7704] do_syscall_64+0xc6/0x1e0 [ 9097.511959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.511959][ T7704] [ 9107.750879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9107.751415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9107.751415][ T7704] netdev_get_by_index+0x5e/0x80 [ 9107.751415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9107.751415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9107.751415][ T7704] ip6_route_add+0x1c/0x140 [ 9107.751415][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9107.751415][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9107.751415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.751415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.751415][ T7704] netlink_rcv_skb+0x130/0x360 [ 9107.751415][ T7704] netlink_unicast+0x449/0x710 [ 9107.751415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9107.751415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9107.751415][ T7704] ___sys_sendmsg+0xee/0x170 [ 9107.751415][ T7704] __sys_sendmsg+0xcd/0x170 [ 9107.751415][ T7704] do_syscall_64+0xc6/0x1e0 [ 9107.751415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.751415][ T7704] [ 9107.753699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9107.753699][ T7704] netdev_get_by_index+0x5e/0x80 [ 9107.753699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9107.753699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9107.753699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9107.753699][ T7704] ipv6_add_addr+0x411/0x2000 [ 9107.753699][ T7704] inet6_addr_add+0x30e/0xa40 [ 9107.753699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.753699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.753699][ T7704] netlink_rcv_skb+0x130/0x360 [ 9107.753699][ T7704] netlink_unicast+0x449/0x710 [ 9107.753699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9107.753699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9107.753699][ T7704] ___sys_sendmsg+0xee/0x170 [ 9107.753699][ T7704] __sys_sendmsg+0xcd/0x170 [ 9107.753699][ T7704] do_syscall_64+0xc6/0x1e0 [ 9107.753699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.753699][ T7704] [ 9107.755963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9107.755963][ T7704] netdev_get_by_index+0x5e/0x80 [ 9107.755963][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9107.755963][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9107.755963][ T7704] ip6_route_add+0x1c/0x140 [ 9107.755963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9107.755963][ T7704] addrconf_add_dev+0xe2/0x170 [ 9107.755963][ T7704] inet6_addr_add+0x12f/0xa40 [ 9107.755963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.755963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.755963][ T7704] netlink_rcv_skb+0x130/0x360 [ 9107.755963][ T7704] netlink_unicast+0x449/0x710 [ 9107.755963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9107.755963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9107.755963][ T7704] ___sys_sendmsg+0xee/0x170 [ 9107.755963][ T7704] __sys_sendmsg+0xcd/0x170 [ 9107.755963][ T7704] do_syscall_64+0xc6/0x1e0 [ 9107.755963][ T7704] [ 9107.758735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9107.758735][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9107.758735][ T7704] ipv6_find_idev+0x102/0x170 [ 9107.758735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9107.758735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.758735][ T7704] netlink_rcv_skb+0x130/0x360 [ 9107.758735][ T7704] netlink_unicast+0x449/0x710 [ 9107.758735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9107.758735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9107.758735][ T7704] ___sys_sendmsg+0xee/0x170 [ 9107.758735][ T7704] __sys_sendmsg+0xcd/0x170 [ 9107.758735][ T7704] do_syscall_64+0xc6/0x1e0 [ 9107.758735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.758735][ T7704] [ 9107.760481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9107.760481][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9107.760481][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9107.760481][ T7704] ipv6_find_idev+0x102/0x170 [ 9107.760481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9107.760481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.760481][ T7704] netlink_rcv_skb+0x130/0x360 [ 9107.760481][ T7704] netlink_unicast+0x449/0x710 [ 9107.760481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9107.760481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9107.760481][ T7704] ___sys_sendmsg+0xee/0x170 [ 9107.760481][ T7704] __sys_sendmsg+0xcd/0x170 [ 9107.760481][ T7704] do_syscall_64+0xc6/0x1e0 [ 9107.760481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.760481][ T7704] [ 9117.998955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9117.999466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9117.999466][ T7704] netdev_get_by_index+0x5e/0x80 [ 9117.999466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9117.999466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9117.999466][ T7704] ip6_route_add+0x1c/0x140 [ 9117.999466][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9117.999466][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9117.999466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9117.999466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.999466][ T7704] netlink_rcv_skb+0x130/0x360 [ 9117.999466][ T7704] netlink_unicast+0x449/0x710 [ 9117.999466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9117.999466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9117.999466][ T7704] ___sys_sendmsg+0xee/0x170 [ 9117.999466][ T7704] __sys_sendmsg+0xcd/0x170 [ 9117.999466][ T7704] do_syscall_64+0xc6/0x1e0 [ 9117.999466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.999466][ T7704] [ 9118.001708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9118.001708][ T7704] netdev_get_by_index+0x5e/0x80 [ 9118.001708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9118.001708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9118.001708][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9118.001708][ T7704] ipv6_add_addr+0x411/0x2000 [ 9118.001708][ T7704] inet6_addr_add+0x30e/0xa40 [ 9118.001708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9118.001708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9118.001708][ T7704] netlink_rcv_skb+0x130/0x360 [ 9118.001708][ T7704] netlink_unicast+0x449/0x710 [ 9118.001708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9118.001708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9118.001708][ T7704] ___sys_sendmsg+0xee/0x170 [ 9118.001708][ T7704] __sys_sendmsg+0xcd/0x170 [ 9118.001708][ T7704] do_syscall_64+0xc6/0x1e0 [ 9118.001708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9118.001708][ T7704] [ 9118.003930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9118.003930][ T7704] netdev_get_by_index+0x5e/0x80 [ 9118.003930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9118.003930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9118.003930][ T7704] ip6_route_add+0x1c/0x140 [ 9118.003930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9118.003930][ T7704] addrconf_add_dev+0xe2/0x170 [ 9118.003930][ T7704] inet6_addr_add+0x12f/0xa40 [ 9118.003930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9118.003930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9118.003930][ T7704] netlink_rcv_skb+0x130/0x360 [ 9118.003930][ T7704] netlink_unicast+0x449/0x710 [ 9118.003930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9118.003930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9118.003930][ T7704] ___sys_sendmsg+0xee/0x170 [ 9118.003930][ T7704] __sys_sendmsg+0xcd/0x170 [ 9118.003930][ T7704] do_syscall_64+0xc6/0x1e0 [ 9118.003930][ T7704] [ 9118.006129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9118.006129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9118.006129][ T7704] ipv6_find_idev+0x102/0x170 [ 9118.006129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9118.006129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9118.006129][ T7704] netlink_rcv_skb+0x130/0x360 [ 9118.006129][ T7704] netlink_unicast+0x449/0x710 [ 9118.006129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9118.006129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9118.006129][ T7704] ___sys_sendmsg+0xee/0x170 [ 9118.006129][ T7704] __sys_sendmsg+0xcd/0x170 [ 9118.006129][ T7704] do_syscall_64+0xc6/0x1e0 [ 9118.006129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9118.006129][ T7704] [ 9118.007859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9118.007859][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9118.007859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9118.007859][ T7704] ipv6_find_idev+0x102/0x170 [ 9118.007859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9118.007859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9118.007859][ T7704] netlink_rcv_skb+0x130/0x360 [ 9118.007859][ T7704] netlink_unicast+0x449/0x710 [ 9118.007859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9118.007859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9118.007859][ T7704] ___sys_sendmsg+0xee/0x170 [ 9118.007859][ T7704] __sys_sendmsg+0xcd/0x170 [ 9118.007859][ T7704] do_syscall_64+0xc6/0x1e0 [ 9118.007859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9118.007859][ T7704] [ 9128.262940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9128.263441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9128.263441][ T7704] netdev_get_by_index+0x5e/0x80 [ 9128.263441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9128.263441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9128.263441][ T7704] ip6_route_add+0x1c/0x140 [ 9128.263441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9128.263441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9128.263441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9128.263441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9128.263441][ T7704] netlink_rcv_skb+0x130/0x360 [ 9128.263441][ T7704] netlink_unicast+0x449/0x710 [ 9128.263441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9128.263441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9128.263441][ T7704] ___sys_sendmsg+0xee/0x170 [ 9128.263441][ T7704] __sys_sendmsg+0xcd/0x170 [ 9128.263441][ T7704] do_syscall_64+0xc6/0x1e0 [ 9128.263441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9128.263441][ T7704] [ 9128.265699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9128.265699][ T7704] netdev_get_by_index+0x5e/0x80 [ 9128.265699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9128.265699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9128.265699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9128.265699][ T7704] ipv6_add_addr+0x411/0x2000 [ 9128.265699][ T7704] inet6_addr_add+0x30e/0xa40 [ 9128.265699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9128.265699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9128.265699][ T7704] netlink_rcv_skb+0x130/0x360 [ 9128.265699][ T7704] netlink_unicast+0x449/0x710 [ 9128.265699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9128.265699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9128.265699][ T7704] ___sys_sendmsg+0xee/0x170 [ 9128.265699][ T7704] __sys_sendmsg+0xcd/0x170 [ 9128.265699][ T7704] do_syscall_64+0xc6/0x1e0 [ 9128.265699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9128.265699][ T7704] [ 9128.267929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9128.267929][ T7704] netdev_get_by_index+0x5e/0x80 [ 9128.267929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9128.267929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9128.267929][ T7704] ip6_route_add+0x1c/0x140 [ 9128.267929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9128.267929][ T7704] addrconf_add_dev+0xe2/0x170 [ 9128.267929][ T7704] inet6_addr_add+0x12f/0xa40 [ 9128.267929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9128.267929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9128.267929][ T7704] netlink_rcv_skb+0x130/0x360 [ 9128.267929][ T7704] netlink_unicast+0x449/0x710 [ 9128.267929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9128.267929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9128.267929][ T7704] ___sys_sendmsg+0xee/0x170 [ 9128.267929][ T7704] __sys_sendmsg+0xcd/0x170 [ 9128.267929][ T7704] do_syscall_64+0xc6/0x1e0 [ 9128.267929][ T7704] [ 9128.270112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9128.270112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9128.270112][ T7704] ipv6_find_idev+0x102/0x170 [ 9128.270112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9128.270112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9128.270112][ T7704] netlink_rcv_skb+0x130/0x360 [ 9128.270112][ T7704] netlink_unicast+0x449/0x710 [ 9128.270112][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9128.270112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9128.270112][ T7704] ___sys_sendmsg+0xee/0x170 [ 9128.270112][ T7704] __sys_sendmsg+0xcd/0x170 [ 9128.270112][ T7704] do_syscall_64+0xc6/0x1e0 [ 9128.270112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9128.270112][ T7704] [ 9128.271816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9128.271816][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9128.271816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9128.271816][ T7704] ipv6_find_idev+0x102/0x170 [ 9128.271816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9128.271816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9128.271816][ T7704] netlink_rcv_skb+0x130/0x360 [ 9128.271816][ T7704] netlink_unicast+0x449/0x710 [ 9128.271816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9128.271816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9128.271816][ T7704] ___sys_sendmsg+0xee/0x170 [ 9128.271816][ T7704] __sys_sendmsg+0xcd/0x170 [ 9128.271816][ T7704] do_syscall_64+0xc6/0x1e0 [ 9128.271816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9128.271816][ T7704] [ 9138.470932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9138.471441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9138.471441][ T7704] netdev_get_by_index+0x5e/0x80 [ 9138.471441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9138.471441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9138.471441][ T7704] ip6_route_add+0x1c/0x140 [ 9138.471441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9138.471441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9138.471441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9138.471441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9138.471441][ T7704] netlink_rcv_skb+0x130/0x360 [ 9138.471441][ T7704] netlink_unicast+0x449/0x710 [ 9138.471441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9138.471441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9138.471441][ T7704] ___sys_sendmsg+0xee/0x170 [ 9138.471441][ T7704] __sys_sendmsg+0xcd/0x170 [ 9138.471441][ T7704] do_syscall_64+0xc6/0x1e0 [ 9138.471441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9138.471441][ T7704] [ 9138.473680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9138.473680][ T7704] netdev_get_by_index+0x5e/0x80 [ 9138.473680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9138.473680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9138.473680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9138.473680][ T7704] ipv6_add_addr+0x411/0x2000 [ 9138.473680][ T7704] inet6_addr_add+0x30e/0xa40 [ 9138.473680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9138.473680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9138.473680][ T7704] netlink_rcv_skb+0x130/0x360 [ 9138.473680][ T7704] netlink_unicast+0x449/0x710 [ 9138.473680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9138.473680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9138.473680][ T7704] ___sys_sendmsg+0xee/0x170 [ 9138.473680][ T7704] __sys_sendmsg+0xcd/0x170 [ 9138.473680][ T7704] do_syscall_64+0xc6/0x1e0 [ 9138.473680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9138.473680][ T7704] [ 9138.475901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9138.475901][ T7704] netdev_get_by_index+0x5e/0x80 [ 9138.475901][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9138.475901][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9138.475901][ T7704] ip6_route_add+0x1c/0x140 [ 9138.475901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9138.475901][ T7704] addrconf_add_dev+0xe2/0x170 [ 9138.475901][ T7704] inet6_addr_add+0x12f/0xa40 [ 9138.475901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9138.475901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9138.475901][ T7704] netlink_rcv_skb+0x130/0x360 [ 9138.475901][ T7704] netlink_unicast+0x449/0x710 [ 9138.475901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9138.475901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9138.475901][ T7704] ___sys_sendmsg+0xee/0x170 [ 9138.475901][ T7704] __sys_sendmsg+0xcd/0x170 [ 9138.475901][ T7704] do_syscall_64+0xc6/0x1e0 [ 9138.475901][ T7704] [ 9138.478087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9138.478087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9138.478087][ T7704] ipv6_find_idev+0x102/0x170 [ 9138.478087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9138.478087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9138.478087][ T7704] netlink_rcv_skb+0x130/0x360 [ 9138.478087][ T7704] netlink_unicast+0x449/0x710 [ 9138.478087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9138.478087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9138.478087][ T7704] ___sys_sendmsg+0xee/0x170 [ 9138.478087][ T7704] __sys_sendmsg+0xcd/0x170 [ 9138.478087][ T7704] do_syscall_64+0xc6/0x1e0 [ 9138.478087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9138.478087][ T7704] [ 9138.479798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9138.479798][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9138.479798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9138.479798][ T7704] ipv6_find_idev+0x102/0x170 [ 9138.479798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9138.479798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9138.479798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9138.479798][ T7704] netlink_unicast+0x449/0x710 [ 9138.479798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9138.479798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9138.479798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9138.479798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9138.479798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9138.479798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9138.479798][ T7704] [ 9148.726937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9148.727448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9148.727448][ T7704] netdev_get_by_index+0x5e/0x80 [ 9148.727448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9148.727448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9148.727448][ T7704] ip6_route_add+0x1c/0x140 [ 9148.727448][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9148.727448][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9148.727448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.727448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.727448][ T7704] netlink_rcv_skb+0x130/0x360 [ 9148.727448][ T7704] netlink_unicast+0x449/0x710 [ 9148.727448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9148.727448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9148.727448][ T7704] ___sys_sendmsg+0xee/0x170 [ 9148.727448][ T7704] __sys_sendmsg+0xcd/0x170 [ 9148.727448][ T7704] do_syscall_64+0xc6/0x1e0 [ 9148.727448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.727448][ T7704] [ 9148.729678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9148.729678][ T7704] netdev_get_by_index+0x5e/0x80 [ 9148.729678][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9148.729678][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9148.729678][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9148.729678][ T7704] ipv6_add_addr+0x411/0x2000 [ 9148.729678][ T7704] inet6_addr_add+0x30e/0xa40 [ 9148.729678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.729678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.729678][ T7704] netlink_rcv_skb+0x130/0x360 [ 9148.729678][ T7704] netlink_unicast+0x449/0x710 [ 9148.729678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9148.729678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9148.729678][ T7704] ___sys_sendmsg+0xee/0x170 [ 9148.729678][ T7704] __sys_sendmsg+0xcd/0x170 [ 9148.729678][ T7704] do_syscall_64+0xc6/0x1e0 [ 9148.729678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.729678][ T7704] [ 9148.731907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9148.731907][ T7704] netdev_get_by_index+0x5e/0x80 [ 9148.731907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9148.731907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9148.731907][ T7704] ip6_route_add+0x1c/0x140 [ 9148.731907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9148.731907][ T7704] addrconf_add_dev+0xe2/0x170 [ 9148.731907][ T7704] inet6_addr_add+0x12f/0xa40 [ 9148.731907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.731907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.731907][ T7704] netlink_rcv_skb+0x130/0x360 [ 9148.731907][ T7704] netlink_unicast+0x449/0x710 [ 9148.731907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9148.731907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9148.731907][ T7704] ___sys_sendmsg+0xee/0x170 [ 9148.731907][ T7704] __sys_sendmsg+0xcd/0x170 [ 9148.731907][ T7704] do_syscall_64+0xc6/0x1e0 [ 9148.731907][ T7704] [ 9148.734122][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9148.734122][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9148.734122][ T7704] ipv6_find_idev+0x102/0x170 [ 9148.734122][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9148.734122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.734122][ T7704] netlink_rcv_skb+0x130/0x360 [ 9148.734122][ T7704] netlink_unicast+0x449/0x710 [ 9148.734122][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9148.734122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9148.734122][ T7704] ___sys_sendmsg+0xee/0x170 [ 9148.734122][ T7704] __sys_sendmsg+0xcd/0x170 [ 9148.734122][ T7704] do_syscall_64+0xc6/0x1e0 [ 9148.734122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.734122][ T7704] [ 9148.735830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9148.735830][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9148.735830][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9148.735830][ T7704] ipv6_find_idev+0x102/0x170 [ 9148.735830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9148.735830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.735830][ T7704] netlink_rcv_skb+0x130/0x360 [ 9148.735830][ T7704] netlink_unicast+0x449/0x710 [ 9148.735830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9148.735830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9148.735830][ T7704] ___sys_sendmsg+0xee/0x170 [ 9148.735830][ T7704] __sys_sendmsg+0xcd/0x170 [ 9148.735830][ T7704] do_syscall_64+0xc6/0x1e0 [ 9148.735830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.735830][ T7704] [ 9158.982930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9158.983441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9158.983441][ T7704] netdev_get_by_index+0x5e/0x80 [ 9158.983441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9158.983441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9158.983441][ T7704] ip6_route_add+0x1c/0x140 [ 9158.983441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9158.983441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9158.983441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.983441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.983441][ T7704] netlink_rcv_skb+0x130/0x360 [ 9158.983441][ T7704] netlink_unicast+0x449/0x710 [ 9158.983441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9158.983441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9158.983441][ T7704] ___sys_sendmsg+0xee/0x170 [ 9158.983441][ T7704] __sys_sendmsg+0xcd/0x170 [ 9158.983441][ T7704] do_syscall_64+0xc6/0x1e0 [ 9158.983441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.983441][ T7704] [ 9158.985688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9158.985688][ T7704] netdev_get_by_index+0x5e/0x80 [ 9158.985688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9158.985688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9158.985688][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9158.985688][ T7704] ipv6_add_addr+0x411/0x2000 [ 9158.985688][ T7704] inet6_addr_add+0x30e/0xa40 [ 9158.985688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.985688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.985688][ T7704] netlink_rcv_skb+0x130/0x360 [ 9158.985688][ T7704] netlink_unicast+0x449/0x710 [ 9158.985688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9158.985688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9158.985688][ T7704] ___sys_sendmsg+0xee/0x170 [ 9158.985688][ T7704] __sys_sendmsg+0xcd/0x170 [ 9158.985688][ T7704] do_syscall_64+0xc6/0x1e0 [ 9158.985688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.985688][ T7704] [ 9158.987909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9158.987909][ T7704] netdev_get_by_index+0x5e/0x80 [ 9158.987909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9158.987909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9158.987909][ T7704] ip6_route_add+0x1c/0x140 [ 9158.987909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9158.987909][ T7704] addrconf_add_dev+0xe2/0x170 [ 9158.987909][ T7704] inet6_addr_add+0x12f/0xa40 [ 9158.987909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.987909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.987909][ T7704] netlink_rcv_skb+0x130/0x360 [ 9158.987909][ T7704] netlink_unicast+0x449/0x710 [ 9158.987909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9158.987909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9158.987909][ T7704] ___sys_sendmsg+0xee/0x170 [ 9158.987909][ T7704] __sys_sendmsg+0xcd/0x170 [ 9158.987909][ T7704] do_syscall_64+0xc6/0x1e0 [ 9158.987909][ T7704] [ 9158.990095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9158.990095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9158.990095][ T7704] ipv6_find_idev+0x102/0x170 [ 9158.990095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9158.990095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.990095][ T7704] netlink_rcv_skb+0x130/0x360 [ 9158.990095][ T7704] netlink_unicast+0x449/0x710 [ 9158.990095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9158.990095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9158.990095][ T7704] ___sys_sendmsg+0xee/0x170 [ 9158.990095][ T7704] __sys_sendmsg+0xcd/0x170 [ 9158.990095][ T7704] do_syscall_64+0xc6/0x1e0 [ 9158.990095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.990095][ T7704] [ 9158.991798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9158.991798][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9158.991798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9158.991798][ T7704] ipv6_find_idev+0x102/0x170 [ 9158.991798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9158.991798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.991798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9158.991798][ T7704] netlink_unicast+0x449/0x710 [ 9158.991798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9158.991798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9158.991798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9158.991798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9158.991798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9158.991798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.991798][ T7704] [ 9169.238957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9169.239462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9169.239462][ T7704] netdev_get_by_index+0x5e/0x80 [ 9169.239462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9169.239462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9169.239462][ T7704] ip6_route_add+0x1c/0x140 [ 9169.239462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9169.239462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9169.239462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9169.239462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9169.239462][ T7704] netlink_rcv_skb+0x130/0x360 [ 9169.239462][ T7704] netlink_unicast+0x449/0x710 [ 9169.239462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9169.239462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9169.239462][ T7704] ___sys_sendmsg+0xee/0x170 [ 9169.239462][ T7704] __sys_sendmsg+0xcd/0x170 [ 9169.239462][ T7704] do_syscall_64+0xc6/0x1e0 [ 9169.239462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9169.239462][ T7704] [ 9169.241707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9169.241707][ T7704] netdev_get_by_index+0x5e/0x80 [ 9169.241707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9169.241707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9169.241707][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9169.241707][ T7704] ipv6_add_addr+0x411/0x2000 [ 9169.241707][ T7704] inet6_addr_add+0x30e/0xa40 [ 9169.241707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9169.241707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9169.241707][ T7704] netlink_rcv_skb+0x130/0x360 [ 9169.241707][ T7704] netlink_unicast+0x449/0x710 [ 9169.241707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9169.241707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9169.241707][ T7704] ___sys_sendmsg+0xee/0x170 [ 9169.241707][ T7704] __sys_sendmsg+0xcd/0x170 [ 9169.241707][ T7704] do_syscall_64+0xc6/0x1e0 [ 9169.241707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9169.241707][ T7704] [ 9169.243929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9169.243929][ T7704] netdev_get_by_index+0x5e/0x80 [ 9169.243929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9169.243929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9169.243929][ T7704] ip6_route_add+0x1c/0x140 [ 9169.243929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9169.243929][ T7704] addrconf_add_dev+0xe2/0x170 [ 9169.243929][ T7704] inet6_addr_add+0x12f/0xa40 [ 9169.243929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9169.243929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9169.243929][ T7704] netlink_rcv_skb+0x130/0x360 [ 9169.243929][ T7704] netlink_unicast+0x449/0x710 [ 9169.243929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9169.243929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9169.243929][ T7704] ___sys_sendmsg+0xee/0x170 [ 9169.243929][ T7704] __sys_sendmsg+0xcd/0x170 [ 9169.243929][ T7704] do_syscall_64+0xc6/0x1e0 [ 9169.243929][ T7704] [ 9169.246111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9169.246111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9169.246111][ T7704] ipv6_find_idev+0x102/0x170 [ 9169.246111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9169.246111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9169.246111][ T7704] netlink_rcv_skb+0x130/0x360 [ 9169.246111][ T7704] netlink_unicast+0x449/0x710 [ 9169.246111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9169.246111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9169.246111][ T7704] ___sys_sendmsg+0xee/0x170 [ 9169.246111][ T7704] __sys_sendmsg+0xcd/0x170 [ 9169.246111][ T7704] do_syscall_64+0xc6/0x1e0 [ 9169.246111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9169.246111][ T7704] [ 9169.247830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9169.247830][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9169.247830][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9169.247830][ T7704] ipv6_find_idev+0x102/0x170 [ 9169.247830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9169.247830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9169.247830][ T7704] netlink_rcv_skb+0x130/0x360 [ 9169.247830][ T7704] netlink_unicast+0x449/0x710 [ 9169.247830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9169.247830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9169.247830][ T7704] ___sys_sendmsg+0xee/0x170 [ 9169.247830][ T7704] __sys_sendmsg+0xcd/0x170 [ 9169.247830][ T7704] do_syscall_64+0xc6/0x1e0 [ 9169.247830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9169.247830][ T7704] [ 9179.494932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9179.495449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9179.495449][ T7704] netdev_get_by_index+0x5e/0x80 [ 9179.495449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9179.495449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9179.495449][ T7704] ip6_route_add+0x1c/0x140 [ 9179.495449][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9179.495449][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9179.495449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9179.495449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9179.495449][ T7704] netlink_rcv_skb+0x130/0x360 [ 9179.495449][ T7704] netlink_unicast+0x449/0x710 [ 9179.495449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9179.495449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9179.495449][ T7704] ___sys_sendmsg+0xee/0x170 [ 9179.495449][ T7704] __sys_sendmsg+0xcd/0x170 [ 9179.495449][ T7704] do_syscall_64+0xc6/0x1e0 [ 9179.495449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9179.495449][ T7704] [ 9179.497694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9179.497694][ T7704] netdev_get_by_index+0x5e/0x80 [ 9179.497694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9179.497694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9179.497694][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9179.497694][ T7704] ipv6_add_addr+0x411/0x2000 [ 9179.497694][ T7704] inet6_addr_add+0x30e/0xa40 [ 9179.497694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9179.497694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9179.497694][ T7704] netlink_rcv_skb+0x130/0x360 [ 9179.497694][ T7704] netlink_unicast+0x449/0x710 [ 9179.497694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9179.497694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9179.497694][ T7704] ___sys_sendmsg+0xee/0x170 [ 9179.497694][ T7704] __sys_sendmsg+0xcd/0x170 [ 9179.497694][ T7704] do_syscall_64+0xc6/0x1e0 [ 9179.497694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9179.497694][ T7704] [ 9179.499913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9179.499913][ T7704] netdev_get_by_index+0x5e/0x80 [ 9179.499913][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9179.499913][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9179.499913][ T7704] ip6_route_add+0x1c/0x140 [ 9179.499913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9179.499913][ T7704] addrconf_add_dev+0xe2/0x170 [ 9179.499913][ T7704] inet6_addr_add+0x12f/0xa40 [ 9179.499913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9179.499913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9179.499913][ T7704] netlink_rcv_skb+0x130/0x360 [ 9179.499913][ T7704] netlink_unicast+0x449/0x710 [ 9179.499913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9179.499913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9179.499913][ T7704] ___sys_sendmsg+0xee/0x170 [ 9179.499913][ T7704] __sys_sendmsg+0xcd/0x170 [ 9179.499913][ T7704] do_syscall_64+0xc6/0x1e0 [ 9179.499913][ T7704] [ 9179.502087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9179.502087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9179.502087][ T7704] ipv6_find_idev+0x102/0x170 [ 9179.502087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9179.502087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9179.502087][ T7704] netlink_rcv_skb+0x130/0x360 [ 9179.502087][ T7704] netlink_unicast+0x449/0x710 [ 9179.502087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9179.502087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9179.502087][ T7704] ___sys_sendmsg+0xee/0x170 [ 9179.502087][ T7704] __sys_sendmsg+0xcd/0x170 [ 9179.502087][ T7704] do_syscall_64+0xc6/0x1e0 [ 9179.502087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9179.502087][ T7704] [ 9179.503797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9179.503797][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9179.503797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9179.503797][ T7704] ipv6_find_idev+0x102/0x170 [ 9179.503797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9179.503797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9179.503797][ T7704] netlink_rcv_skb+0x130/0x360 [ 9179.503797][ T7704] netlink_unicast+0x449/0x710 [ 9179.503797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9179.503797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9179.503797][ T7704] ___sys_sendmsg+0xee/0x170 [ 9179.503797][ T7704] __sys_sendmsg+0xcd/0x170 [ 9179.503797][ T7704] do_syscall_64+0xc6/0x1e0 [ 9179.503797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9179.503797][ T7704] [ 9189.750936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9189.751439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9189.751439][ T7704] netdev_get_by_index+0x5e/0x80 [ 9189.751439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9189.751439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9189.751439][ T7704] ip6_route_add+0x1c/0x140 [ 9189.751439][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9189.751439][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9189.751439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.751439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.751439][ T7704] netlink_rcv_skb+0x130/0x360 [ 9189.751439][ T7704] netlink_unicast+0x449/0x710 [ 9189.751439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9189.751439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9189.751439][ T7704] ___sys_sendmsg+0xee/0x170 [ 9189.751439][ T7704] __sys_sendmsg+0xcd/0x170 [ 9189.751439][ T7704] do_syscall_64+0xc6/0x1e0 [ 9189.751439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.751439][ T7704] [ 9189.753689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9189.753689][ T7704] netdev_get_by_index+0x5e/0x80 [ 9189.753689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9189.753689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9189.753689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9189.753689][ T7704] ipv6_add_addr+0x411/0x2000 [ 9189.753689][ T7704] inet6_addr_add+0x30e/0xa40 [ 9189.753689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.753689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.753689][ T7704] netlink_rcv_skb+0x130/0x360 [ 9189.753689][ T7704] netlink_unicast+0x449/0x710 [ 9189.753689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9189.753689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9189.753689][ T7704] ___sys_sendmsg+0xee/0x170 [ 9189.753689][ T7704] __sys_sendmsg+0xcd/0x170 [ 9189.753689][ T7704] do_syscall_64+0xc6/0x1e0 [ 9189.753689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.753689][ T7704] [ 9189.755909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9189.755909][ T7704] netdev_get_by_index+0x5e/0x80 [ 9189.755909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9189.755909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9189.755909][ T7704] ip6_route_add+0x1c/0x140 [ 9189.755909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9189.755909][ T7704] addrconf_add_dev+0xe2/0x170 [ 9189.755909][ T7704] inet6_addr_add+0x12f/0xa40 [ 9189.755909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.755909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.755909][ T7704] netlink_rcv_skb+0x130/0x360 [ 9189.755909][ T7704] netlink_unicast+0x449/0x710 [ 9189.755909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9189.755909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9189.755909][ T7704] ___sys_sendmsg+0xee/0x170 [ 9189.755909][ T7704] __sys_sendmsg+0xcd/0x170 [ 9189.755909][ T7704] do_syscall_64+0xc6/0x1e0 [ 9189.755909][ T7704] [ 9189.758091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9189.758091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9189.758091][ T7704] ipv6_find_idev+0x102/0x170 [ 9189.758091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9189.758091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.758091][ T7704] netlink_rcv_skb+0x130/0x360 [ 9189.758091][ T7704] netlink_unicast+0x449/0x710 [ 9189.758091][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9189.758091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9189.758091][ T7704] ___sys_sendmsg+0xee/0x170 [ 9189.758091][ T7704] __sys_sendmsg+0xcd/0x170 [ 9189.758091][ T7704] do_syscall_64+0xc6/0x1e0 [ 9189.758091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.758091][ T7704] [ 9189.759796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9189.759796][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9189.759796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9189.759796][ T7704] ipv6_find_idev+0x102/0x170 [ 9189.759796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9189.759796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.759796][ T7704] netlink_rcv_skb+0x130/0x360 [ 9189.759796][ T7704] netlink_unicast+0x449/0x710 [ 9189.759796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9189.759796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9189.759796][ T7704] ___sys_sendmsg+0xee/0x170 [ 9189.759796][ T7704] __sys_sendmsg+0xcd/0x170 [ 9189.759796][ T7704] do_syscall_64+0xc6/0x1e0 [ 9189.759796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.759796][ T7704] [ 9199.950930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9199.951426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9199.951426][ T7704] netdev_get_by_index+0x5e/0x80 [ 9199.951426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9199.951426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9199.951426][ T7704] ip6_route_add+0x1c/0x140 [ 9199.951426][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9199.951426][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9199.951426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.951426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.951426][ T7704] netlink_rcv_skb+0x130/0x360 [ 9199.951426][ T7704] netlink_unicast+0x449/0x710 [ 9199.951426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9199.951426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9199.951426][ T7704] ___sys_sendmsg+0xee/0x170 [ 9199.951426][ T7704] __sys_sendmsg+0xcd/0x170 [ 9199.951426][ T7704] do_syscall_64+0xc6/0x1e0 [ 9199.951426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.951426][ T7704] [ 9199.953675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9199.953675][ T7704] netdev_get_by_index+0x5e/0x80 [ 9199.953675][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9199.953675][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9199.953675][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9199.953675][ T7704] ipv6_add_addr+0x411/0x2000 [ 9199.953675][ T7704] inet6_addr_add+0x30e/0xa40 [ 9199.953675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.953675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.953675][ T7704] netlink_rcv_skb+0x130/0x360 [ 9199.953675][ T7704] netlink_unicast+0x449/0x710 [ 9199.953675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9199.953675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9199.953675][ T7704] ___sys_sendmsg+0xee/0x170 [ 9199.953675][ T7704] __sys_sendmsg+0xcd/0x170 [ 9199.953675][ T7704] do_syscall_64+0xc6/0x1e0 [ 9199.953675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.953675][ T7704] [ 9199.955897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9199.955897][ T7704] netdev_get_by_index+0x5e/0x80 [ 9199.955897][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9199.955897][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9199.955897][ T7704] ip6_route_add+0x1c/0x140 [ 9199.955897][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9199.955897][ T7704] addrconf_add_dev+0xe2/0x170 [ 9199.955897][ T7704] inet6_addr_add+0x12f/0xa40 [ 9199.955897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.955897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.955897][ T7704] netlink_rcv_skb+0x130/0x360 [ 9199.955897][ T7704] netlink_unicast+0x449/0x710 [ 9199.955897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9199.955897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9199.955897][ T7704] ___sys_sendmsg+0xee/0x170 [ 9199.955897][ T7704] __sys_sendmsg+0xcd/0x170 [ 9199.955897][ T7704] do_syscall_64+0xc6/0x1e0 [ 9199.955897][ T7704] [ 9199.958088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9199.958088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9199.958088][ T7704] ipv6_find_idev+0x102/0x170 [ 9199.958088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9199.958088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.958088][ T7704] netlink_rcv_skb+0x130/0x360 [ 9199.958088][ T7704] netlink_unicast+0x449/0x710 [ 9199.958088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9199.958088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9199.958088][ T7704] ___sys_sendmsg+0xee/0x170 [ 9199.958088][ T7704] __sys_sendmsg+0xcd/0x170 [ 9199.958088][ T7704] do_syscall_64+0xc6/0x1e0 [ 9199.958088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.958088][ T7704] [ 9199.959799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9199.959799][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9199.959799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9199.959799][ T7704] ipv6_find_idev+0x102/0x170 [ 9199.959799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9199.959799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.959799][ T7704] netlink_rcv_skb+0x130/0x360 [ 9199.959799][ T7704] netlink_unicast+0x449/0x710 [ 9199.959799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9199.959799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9199.959799][ T7704] ___sys_sendmsg+0xee/0x170 [ 9199.959799][ T7704] __sys_sendmsg+0xcd/0x170 [ 9199.959799][ T7704] do_syscall_64+0xc6/0x1e0 [ 9199.959799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.959799][ T7704] [ 9210.198932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9210.199438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9210.199438][ T7704] netdev_get_by_index+0x5e/0x80 [ 9210.199438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9210.199438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9210.199438][ T7704] ip6_route_add+0x1c/0x140 [ 9210.199438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9210.199438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9210.199438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9210.199438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9210.199438][ T7704] netlink_rcv_skb+0x130/0x360 [ 9210.199438][ T7704] netlink_unicast+0x449/0x710 [ 9210.199438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9210.199438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9210.199438][ T7704] ___sys_sendmsg+0xee/0x170 [ 9210.199438][ T7704] __sys_sendmsg+0xcd/0x170 [ 9210.199438][ T7704] do_syscall_64+0xc6/0x1e0 [ 9210.199438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9210.199438][ T7704] [ 9210.201695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9210.201695][ T7704] netdev_get_by_index+0x5e/0x80 [ 9210.201695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9210.201695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9210.201695][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9210.201695][ T7704] ipv6_add_addr+0x411/0x2000 [ 9210.201695][ T7704] inet6_addr_add+0x30e/0xa40 [ 9210.201695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9210.201695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9210.201695][ T7704] netlink_rcv_skb+0x130/0x360 [ 9210.201695][ T7704] netlink_unicast+0x449/0x710 [ 9210.201695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9210.201695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9210.201695][ T7704] ___sys_sendmsg+0xee/0x170 [ 9210.201695][ T7704] __sys_sendmsg+0xcd/0x170 [ 9210.201695][ T7704] do_syscall_64+0xc6/0x1e0 [ 9210.201695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9210.201695][ T7704] [ 9210.203929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9210.203929][ T7704] netdev_get_by_index+0x5e/0x80 [ 9210.203929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9210.203929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9210.203929][ T7704] ip6_route_add+0x1c/0x140 [ 9210.203929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9210.203929][ T7704] addrconf_add_dev+0xe2/0x170 [ 9210.203929][ T7704] inet6_addr_add+0x12f/0xa40 [ 9210.203929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9210.203929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9210.203929][ T7704] netlink_rcv_skb+0x130/0x360 [ 9210.203929][ T7704] netlink_unicast+0x449/0x710 [ 9210.203929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9210.203929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9210.203929][ T7704] ___sys_sendmsg+0xee/0x170 [ 9210.203929][ T7704] __sys_sendmsg+0xcd/0x170 [ 9210.203929][ T7704] do_syscall_64+0xc6/0x1e0 [ 9210.203929][ T7704] [ 9210.206656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9210.206656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9210.206656][ T7704] ipv6_find_idev+0x102/0x170 [ 9210.206656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9210.206656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9210.206656][ T7704] netlink_rcv_skb+0x130/0x360 [ 9210.206656][ T7704] netlink_unicast+0x449/0x710 [ 9210.206656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9210.206656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9210.206656][ T7704] ___sys_sendmsg+0xee/0x170 [ 9210.206656][ T7704] __sys_sendmsg+0xcd/0x170 [ 9210.206656][ T7704] do_syscall_64+0xc6/0x1e0 [ 9210.206656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9210.206656][ T7704] [ 9210.208361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9210.208361][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9210.208361][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9210.208361][ T7704] ipv6_find_idev+0x102/0x170 [ 9210.208361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9210.208361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9210.208361][ T7704] netlink_rcv_skb+0x130/0x360 [ 9210.208361][ T7704] netlink_unicast+0x449/0x710 [ 9210.208361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9210.208361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9210.208361][ T7704] ___sys_sendmsg+0xee/0x170 [ 9210.208361][ T7704] __sys_sendmsg+0xcd/0x170 [ 9210.208361][ T7704] do_syscall_64+0xc6/0x1e0 [ 9210.208361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9210.208361][ T7704] [ 9220.351026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9220.351540][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9220.351540][ T7704] netdev_get_by_index+0x5e/0x80 [ 9220.351540][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9220.351540][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9220.351540][ T7704] ip6_route_add+0x1c/0x140 [ 9220.351540][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9220.351540][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9220.351540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9220.351540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9220.351540][ T7704] netlink_rcv_skb+0x130/0x360 [ 9220.351540][ T7704] netlink_unicast+0x449/0x710 [ 9220.351540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9220.351540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9220.351540][ T7704] ___sys_sendmsg+0xee/0x170 [ 9220.351540][ T7704] __sys_sendmsg+0xcd/0x170 [ 9220.351540][ T7704] do_syscall_64+0xc6/0x1e0 [ 9220.351540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9220.351540][ T7704] [ 9220.353780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9220.353780][ T7704] netdev_get_by_index+0x5e/0x80 [ 9220.353780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9220.353780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9220.353780][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9220.353780][ T7704] ipv6_add_addr+0x411/0x2000 [ 9220.353780][ T7704] inet6_addr_add+0x30e/0xa40 [ 9220.353780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9220.353780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9220.353780][ T7704] netlink_rcv_skb+0x130/0x360 [ 9220.353780][ T7704] netlink_unicast+0x449/0x710 [ 9220.353780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9220.353780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9220.353780][ T7704] ___sys_sendmsg+0xee/0x170 [ 9220.353780][ T7704] __sys_sendmsg+0xcd/0x170 [ 9220.353780][ T7704] do_syscall_64+0xc6/0x1e0 [ 9220.353780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9220.353780][ T7704] [ 9220.356004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9220.356004][ T7704] netdev_get_by_index+0x5e/0x80 [ 9220.356004][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9220.356004][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9220.356004][ T7704] ip6_route_add+0x1c/0x140 [ 9220.356004][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9220.356004][ T7704] addrconf_add_dev+0xe2/0x170 [ 9220.356004][ T7704] inet6_addr_add+0x12f/0xa40 [ 9220.356004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9220.356004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9220.356004][ T7704] netlink_rcv_skb+0x130/0x360 [ 9220.356004][ T7704] netlink_unicast+0x449/0x710 [ 9220.356004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9220.356004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9220.356004][ T7704] ___sys_sendmsg+0xee/0x170 [ 9220.356004][ T7704] __sys_sendmsg+0xcd/0x170 [ 9220.356004][ T7704] do_syscall_64+0xc6/0x1e0 [ 9220.356004][ T7704] [ 9220.358193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9220.358193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9220.358193][ T7704] ipv6_find_idev+0x102/0x170 [ 9220.358193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9220.358193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9220.358193][ T7704] netlink_rcv_skb+0x130/0x360 [ 9220.358193][ T7704] netlink_unicast+0x449/0x710 [ 9220.358193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9220.358193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9220.358193][ T7704] ___sys_sendmsg+0xee/0x170 [ 9220.358193][ T7704] __sys_sendmsg+0xcd/0x170 [ 9220.358193][ T7704] do_syscall_64+0xc6/0x1e0 [ 9220.358193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9220.358193][ T7704] [ 9220.359899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9220.359899][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9220.359899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9220.359899][ T7704] ipv6_find_idev+0x102/0x170 [ 9220.359899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9220.359899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9220.359899][ T7704] netlink_rcv_skb+0x130/0x360 [ 9220.359899][ T7704] netlink_unicast+0x449/0x710 [ 9220.359899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9220.359899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9220.359899][ T7704] ___sys_sendmsg+0xee/0x170 [ 9220.359899][ T7704] __sys_sendmsg+0xcd/0x170 [ 9220.359899][ T7704] do_syscall_64+0xc6/0x1e0 [ 9220.359899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9220.359899][ T7704] [ 9230.494931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9230.495443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9230.495443][ T7704] netdev_get_by_index+0x5e/0x80 [ 9230.495443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9230.495443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9230.495443][ T7704] ip6_route_add+0x1c/0x140 [ 9230.495443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9230.495443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9230.495443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.495443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.495443][ T7704] netlink_rcv_skb+0x130/0x360 [ 9230.495443][ T7704] netlink_unicast+0x449/0x710 [ 9230.495443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9230.495443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9230.495443][ T7704] ___sys_sendmsg+0xee/0x170 [ 9230.495443][ T7704] __sys_sendmsg+0xcd/0x170 [ 9230.495443][ T7704] do_syscall_64+0xc6/0x1e0 [ 9230.495443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.495443][ T7704] [ 9230.497704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9230.497704][ T7704] netdev_get_by_index+0x5e/0x80 [ 9230.497704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9230.497704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9230.497704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9230.497704][ T7704] ipv6_add_addr+0x411/0x2000 [ 9230.497704][ T7704] inet6_addr_add+0x30e/0xa40 [ 9230.497704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.497704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.497704][ T7704] netlink_rcv_skb+0x130/0x360 [ 9230.497704][ T7704] netlink_unicast+0x449/0x710 [ 9230.497704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9230.497704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9230.497704][ T7704] ___sys_sendmsg+0xee/0x170 [ 9230.497704][ T7704] __sys_sendmsg+0xcd/0x170 [ 9230.497704][ T7704] do_syscall_64+0xc6/0x1e0 [ 9230.497704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.497704][ T7704] [ 9230.499923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9230.499923][ T7704] netdev_get_by_index+0x5e/0x80 [ 9230.499923][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9230.499923][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9230.499923][ T7704] ip6_route_add+0x1c/0x140 [ 9230.499923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9230.499923][ T7704] addrconf_add_dev+0xe2/0x170 [ 9230.499923][ T7704] inet6_addr_add+0x12f/0xa40 [ 9230.499923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.499923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.499923][ T7704] netlink_rcv_skb+0x130/0x360 [ 9230.499923][ T7704] netlink_unicast+0x449/0x710 [ 9230.499923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9230.499923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9230.499923][ T7704] ___sys_sendmsg+0xee/0x170 [ 9230.499923][ T7704] __sys_sendmsg+0xcd/0x170 [ 9230.499923][ T7704] do_syscall_64+0xc6/0x1e0 [ 9230.499923][ T7704] [ 9230.502120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9230.502120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9230.502120][ T7704] ipv6_find_idev+0x102/0x170 [ 9230.502120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9230.502120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.502120][ T7704] netlink_rcv_skb+0x130/0x360 [ 9230.502120][ T7704] netlink_unicast+0x449/0x710 [ 9230.502120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9230.502120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9230.502120][ T7704] ___sys_sendmsg+0xee/0x170 [ 9230.502120][ T7704] __sys_sendmsg+0xcd/0x170 [ 9230.502120][ T7704] do_syscall_64+0xc6/0x1e0 [ 9230.502120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.502120][ T7704] [ 9230.503826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9230.503826][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9230.503826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9230.503826][ T7704] ipv6_find_idev+0x102/0x170 [ 9230.503826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9230.503826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.503826][ T7704] netlink_rcv_skb+0x130/0x360 [ 9230.503826][ T7704] netlink_unicast+0x449/0x710 [ 9230.503826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9230.503826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9230.503826][ T7704] ___sys_sendmsg+0xee/0x170 [ 9230.503826][ T7704] __sys_sendmsg+0xcd/0x170 [ 9230.503826][ T7704] do_syscall_64+0xc6/0x1e0 [ 9230.503826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.503826][ T7704] [ 9240.750933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9240.751430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9240.751430][ T7704] netdev_get_by_index+0x5e/0x80 [ 9240.751430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9240.751430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9240.751430][ T7704] ip6_route_add+0x1c/0x140 [ 9240.751430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9240.751430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9240.751430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.751430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.751430][ T7704] netlink_rcv_skb+0x130/0x360 [ 9240.751430][ T7704] netlink_unicast+0x449/0x710 [ 9240.751430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9240.751430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9240.751430][ T7704] ___sys_sendmsg+0xee/0x170 [ 9240.751430][ T7704] __sys_sendmsg+0xcd/0x170 [ 9240.751430][ T7704] do_syscall_64+0xc6/0x1e0 [ 9240.751430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.751430][ T7704] [ 9240.753683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9240.753683][ T7704] netdev_get_by_index+0x5e/0x80 [ 9240.753683][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9240.753683][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9240.753683][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9240.753683][ T7704] ipv6_add_addr+0x411/0x2000 [ 9240.753683][ T7704] inet6_addr_add+0x30e/0xa40 [ 9240.753683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.753683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.753683][ T7704] netlink_rcv_skb+0x130/0x360 [ 9240.753683][ T7704] netlink_unicast+0x449/0x710 [ 9240.753683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9240.753683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9240.753683][ T7704] ___sys_sendmsg+0xee/0x170 [ 9240.753683][ T7704] __sys_sendmsg+0xcd/0x170 [ 9240.753683][ T7704] do_syscall_64+0xc6/0x1e0 [ 9240.753683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.753683][ T7704] [ 9240.755902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9240.755902][ T7704] netdev_get_by_index+0x5e/0x80 [ 9240.755902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9240.755902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9240.755902][ T7704] ip6_route_add+0x1c/0x140 [ 9240.755902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9240.755902][ T7704] addrconf_add_dev+0xe2/0x170 [ 9240.755902][ T7704] inet6_addr_add+0x12f/0xa40 [ 9240.755902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.755902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.755902][ T7704] netlink_rcv_skb+0x130/0x360 [ 9240.755902][ T7704] netlink_unicast+0x449/0x710 [ 9240.755902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9240.755902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9240.755902][ T7704] ___sys_sendmsg+0xee/0x170 [ 9240.755902][ T7704] __sys_sendmsg+0xcd/0x170 [ 9240.755902][ T7704] do_syscall_64+0xc6/0x1e0 [ 9240.755902][ T7704] [ 9240.758087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9240.758087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9240.758087][ T7704] ipv6_find_idev+0x102/0x170 [ 9240.758087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9240.758087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.758087][ T7704] netlink_rcv_skb+0x130/0x360 [ 9240.758087][ T7704] netlink_unicast+0x449/0x710 [ 9240.758087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9240.758087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9240.758087][ T7704] ___sys_sendmsg+0xee/0x170 [ 9240.758087][ T7704] __sys_sendmsg+0xcd/0x170 [ 9240.758087][ T7704] do_syscall_64+0xc6/0x1e0 [ 9240.758087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.758087][ T7704] [ 9240.759796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9240.759796][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9240.759796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9240.759796][ T7704] ipv6_find_idev+0x102/0x170 [ 9240.759796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9240.759796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.759796][ T7704] netlink_rcv_skb+0x130/0x360 [ 9240.759796][ T7704] netlink_unicast+0x449/0x710 [ 9240.759796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9240.759796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9240.759796][ T7704] ___sys_sendmsg+0xee/0x170 [ 9240.759796][ T7704] __sys_sendmsg+0xcd/0x170 [ 9240.759796][ T7704] do_syscall_64+0xc6/0x1e0 [ 9240.759796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.759796][ T7704] [ 9251.006876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9251.007392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9251.007392][ T7704] netdev_get_by_index+0x5e/0x80 [ 9251.007392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9251.007392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9251.007392][ T7704] ip6_route_add+0x1c/0x140 [ 9251.007392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9251.007392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9251.007392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9251.007392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9251.007392][ T7704] netlink_rcv_skb+0x130/0x360 [ 9251.007392][ T7704] netlink_unicast+0x449/0x710 [ 9251.007392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9251.007392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9251.007392][ T7704] ___sys_sendmsg+0xee/0x170 [ 9251.007392][ T7704] __sys_sendmsg+0xcd/0x170 [ 9251.007392][ T7704] do_syscall_64+0xc6/0x1e0 [ 9251.007392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9251.007392][ T7704] [ 9251.009629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9251.009629][ T7704] netdev_get_by_index+0x5e/0x80 [ 9251.009629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9251.009629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9251.009629][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9251.009629][ T7704] ipv6_add_addr+0x411/0x2000 [ 9251.009629][ T7704] inet6_addr_add+0x30e/0xa40 [ 9251.009629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9251.009629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9251.009629][ T7704] netlink_rcv_skb+0x130/0x360 [ 9251.009629][ T7704] netlink_unicast+0x449/0x710 [ 9251.009629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9251.009629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9251.009629][ T7704] ___sys_sendmsg+0xee/0x170 [ 9251.009629][ T7704] __sys_sendmsg+0xcd/0x170 [ 9251.009629][ T7704] do_syscall_64+0xc6/0x1e0 [ 9251.009629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9251.009629][ T7704] [ 9251.011861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9251.011861][ T7704] netdev_get_by_index+0x5e/0x80 [ 9251.011861][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9251.011861][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9251.011861][ T7704] ip6_route_add+0x1c/0x140 [ 9251.011861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9251.011861][ T7704] addrconf_add_dev+0xe2/0x170 [ 9251.011861][ T7704] inet6_addr_add+0x12f/0xa40 [ 9251.011861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9251.011861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9251.011861][ T7704] netlink_rcv_skb+0x130/0x360 [ 9251.011861][ T7704] netlink_unicast+0x449/0x710 [ 9251.011861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9251.011861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9251.011861][ T7704] ___sys_sendmsg+0xee/0x170 [ 9251.011861][ T7704] __sys_sendmsg+0xcd/0x170 [ 9251.011861][ T7704] do_syscall_64+0xc6/0x1e0 [ 9251.011861][ T7704] [ 9251.014039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9251.014039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9251.014039][ T7704] ipv6_find_idev+0x102/0x170 [ 9251.014039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9251.014039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9251.014039][ T7704] netlink_rcv_skb+0x130/0x360 [ 9251.014039][ T7704] netlink_unicast+0x449/0x710 [ 9251.014039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9251.014039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9251.014039][ T7704] ___sys_sendmsg+0xee/0x170 [ 9251.014039][ T7704] __sys_sendmsg+0xcd/0x170 [ 9251.014039][ T7704] do_syscall_64+0xc6/0x1e0 [ 9251.014039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9251.014039][ T7704] [ 9251.015750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9251.015750][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9251.015750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9251.015750][ T7704] ipv6_find_idev+0x102/0x170 [ 9251.015750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9251.015750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9251.015750][ T7704] netlink_rcv_skb+0x130/0x360 [ 9251.015750][ T7704] netlink_unicast+0x449/0x710 [ 9251.015750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9251.015750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9251.015750][ T7704] ___sys_sendmsg+0xee/0x170 [ 9251.015750][ T7704] __sys_sendmsg+0xcd/0x170 [ 9251.015750][ T7704] do_syscall_64+0xc6/0x1e0 [ 9251.015750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9251.015750][ T7704] [ 9261.262945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9261.263442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9261.263442][ T7704] netdev_get_by_index+0x5e/0x80 [ 9261.263442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9261.263442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9261.263442][ T7704] ip6_route_add+0x1c/0x140 [ 9261.263442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9261.263442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9261.263442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9261.263442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9261.263442][ T7704] netlink_rcv_skb+0x130/0x360 [ 9261.263442][ T7704] netlink_unicast+0x449/0x710 [ 9261.263442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9261.263442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9261.263442][ T7704] ___sys_sendmsg+0xee/0x170 [ 9261.263442][ T7704] __sys_sendmsg+0xcd/0x170 [ 9261.263442][ T7704] do_syscall_64+0xc6/0x1e0 [ 9261.263442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9261.263442][ T7704] [ 9261.265691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9261.265691][ T7704] netdev_get_by_index+0x5e/0x80 [ 9261.265691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9261.265691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9261.265691][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9261.265691][ T7704] ipv6_add_addr+0x411/0x2000 [ 9261.265691][ T7704] inet6_addr_add+0x30e/0xa40 [ 9261.265691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9261.265691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9261.265691][ T7704] netlink_rcv_skb+0x130/0x360 [ 9261.265691][ T7704] netlink_unicast+0x449/0x710 [ 9261.265691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9261.265691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9261.265691][ T7704] ___sys_sendmsg+0xee/0x170 [ 9261.265691][ T7704] __sys_sendmsg+0xcd/0x170 [ 9261.265691][ T7704] do_syscall_64+0xc6/0x1e0 [ 9261.265691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9261.265691][ T7704] [ 9261.267931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9261.267931][ T7704] netdev_get_by_index+0x5e/0x80 [ 9261.267931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9261.267931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9261.267931][ T7704] ip6_route_add+0x1c/0x140 [ 9261.267931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9261.267931][ T7704] addrconf_add_dev+0xe2/0x170 [ 9261.267931][ T7704] inet6_addr_add+0x12f/0xa40 [ 9261.267931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9261.267931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9261.267931][ T7704] netlink_rcv_skb+0x130/0x360 [ 9261.267931][ T7704] netlink_unicast+0x449/0x710 [ 9261.267931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9261.267931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9261.267931][ T7704] ___sys_sendmsg+0xee/0x170 [ 9261.267931][ T7704] __sys_sendmsg+0xcd/0x170 [ 9261.267931][ T7704] do_syscall_64+0xc6/0x1e0 [ 9261.267931][ T7704] [ 9261.270114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9261.270114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9261.270114][ T7704] ipv6_find_idev+0x102/0x170 [ 9261.270114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9261.270114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9261.270114][ T7704] netlink_rcv_skb+0x130/0x360 [ 9261.270114][ T7704] netlink_unicast+0x449/0x710 [ 9261.270114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9261.270114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9261.270114][ T7704] ___sys_sendmsg+0xee/0x170 [ 9261.270114][ T7704] __sys_sendmsg+0xcd/0x170 [ 9261.270114][ T7704] do_syscall_64+0xc6/0x1e0 [ 9261.270114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9261.270114][ T7704] [ 9261.271821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9261.271821][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9261.271821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9261.271821][ T7704] ipv6_find_idev+0x102/0x170 [ 9261.271821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9261.271821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9261.271821][ T7704] netlink_rcv_skb+0x130/0x360 [ 9261.271821][ T7704] netlink_unicast+0x449/0x710 [ 9261.271821][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9261.271821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9261.271821][ T7704] ___sys_sendmsg+0xee/0x170 [ 9261.271821][ T7704] __sys_sendmsg+0xcd/0x170 [ 9261.271821][ T7704] do_syscall_64+0xc6/0x1e0 [ 9261.271821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9261.271821][ T7704] [ 9271.518935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9271.519435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9271.519435][ T7704] netdev_get_by_index+0x5e/0x80 [ 9271.519435][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9271.519435][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9271.519435][ T7704] ip6_route_add+0x1c/0x140 [ 9271.519435][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9271.519435][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9271.519435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.519435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.519435][ T7704] netlink_rcv_skb+0x130/0x360 [ 9271.519435][ T7704] netlink_unicast+0x449/0x710 [ 9271.519435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9271.519435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9271.519435][ T7704] ___sys_sendmsg+0xee/0x170 [ 9271.519435][ T7704] __sys_sendmsg+0xcd/0x170 [ 9271.519435][ T7704] do_syscall_64+0xc6/0x1e0 [ 9271.519435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.519435][ T7704] [ 9271.522225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9271.522225][ T7704] netdev_get_by_index+0x5e/0x80 [ 9271.522225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9271.522225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9271.522225][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9271.522225][ T7704] ipv6_add_addr+0x411/0x2000 [ 9271.522225][ T7704] inet6_addr_add+0x30e/0xa40 [ 9271.522225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.522225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.522225][ T7704] netlink_rcv_skb+0x130/0x360 [ 9271.522225][ T7704] netlink_unicast+0x449/0x710 [ 9271.522225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9271.522225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9271.522225][ T7704] ___sys_sendmsg+0xee/0x170 [ 9271.522225][ T7704] __sys_sendmsg+0xcd/0x170 [ 9271.522225][ T7704] do_syscall_64+0xc6/0x1e0 [ 9271.522225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.522225][ T7704] [ 9271.524453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9271.524453][ T7704] netdev_get_by_index+0x5e/0x80 [ 9271.524453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9271.524453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9271.524453][ T7704] ip6_route_add+0x1c/0x140 [ 9271.524453][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9271.524453][ T7704] addrconf_add_dev+0xe2/0x170 [ 9271.524453][ T7704] inet6_addr_add+0x12f/0xa40 [ 9271.524453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.524453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.524453][ T7704] netlink_rcv_skb+0x130/0x360 [ 9271.524453][ T7704] netlink_unicast+0x449/0x710 [ 9271.524453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9271.524453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9271.524453][ T7704] ___sys_sendmsg+0xee/0x170 [ 9271.524453][ T7704] __sys_sendmsg+0xcd/0x170 [ 9271.524453][ T7704] do_syscall_64+0xc6/0x1e0 [ 9271.524453][ T7704] [ 9271.526641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9271.526641][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9271.526641][ T7704] ipv6_find_idev+0x102/0x170 [ 9271.526641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9271.526641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.526641][ T7704] netlink_rcv_skb+0x130/0x360 [ 9271.526641][ T7704] netlink_unicast+0x449/0x710 [ 9271.526641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9271.526641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9271.526641][ T7704] ___sys_sendmsg+0xee/0x170 [ 9271.526641][ T7704] __sys_sendmsg+0xcd/0x170 [ 9271.526641][ T7704] do_syscall_64+0xc6/0x1e0 [ 9271.526641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.526641][ T7704] [ 9271.528348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9271.528348][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9271.528348][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9271.528348][ T7704] ipv6_find_idev+0x102/0x170 [ 9271.528348][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9271.528348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.528348][ T7704] netlink_rcv_skb+0x130/0x360 [ 9271.528348][ T7704] netlink_unicast+0x449/0x710 [ 9271.528348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9271.528348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9271.528348][ T7704] ___sys_sendmsg+0xee/0x170 [ 9271.528348][ T7704] __sys_sendmsg+0xcd/0x170 [ 9271.528348][ T7704] do_syscall_64+0xc6/0x1e0 [ 9271.528348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.528348][ T7704] [ 9281.782866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9281.783398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9281.783398][ T7704] netdev_get_by_index+0x5e/0x80 [ 9281.783398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9281.783398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9281.783398][ T7704] ip6_route_add+0x1c/0x140 [ 9281.783398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9281.783398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9281.783398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.783398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.783398][ T7704] netlink_rcv_skb+0x130/0x360 [ 9281.783398][ T7704] netlink_unicast+0x449/0x710 [ 9281.783398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9281.783398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9281.783398][ T7704] ___sys_sendmsg+0xee/0x170 [ 9281.783398][ T7704] __sys_sendmsg+0xcd/0x170 [ 9281.783398][ T7704] do_syscall_64+0xc6/0x1e0 [ 9281.783398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.783398][ T7704] [ 9281.785684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9281.785684][ T7704] netdev_get_by_index+0x5e/0x80 [ 9281.785684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9281.785684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9281.785684][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9281.785684][ T7704] ipv6_add_addr+0x411/0x2000 [ 9281.785684][ T7704] inet6_addr_add+0x30e/0xa40 [ 9281.785684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.785684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.785684][ T7704] netlink_rcv_skb+0x130/0x360 [ 9281.785684][ T7704] netlink_unicast+0x449/0x710 [ 9281.785684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9281.785684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9281.785684][ T7704] ___sys_sendmsg+0xee/0x170 [ 9281.785684][ T7704] __sys_sendmsg+0xcd/0x170 [ 9281.785684][ T7704] do_syscall_64+0xc6/0x1e0 [ 9281.785684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.785684][ T7704] [ 9281.787965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9281.787965][ T7704] netdev_get_by_index+0x5e/0x80 [ 9281.787965][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9281.787965][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9281.787965][ T7704] ip6_route_add+0x1c/0x140 [ 9281.787965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9281.787965][ T7704] addrconf_add_dev+0xe2/0x170 [ 9281.787965][ T7704] inet6_addr_add+0x12f/0xa40 [ 9281.787965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.787965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.787965][ T7704] netlink_rcv_skb+0x130/0x360 [ 9281.787965][ T7704] netlink_unicast+0x449/0x710 [ 9281.787965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9281.787965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9281.787965][ T7704] ___sys_sendmsg+0xee/0x170 [ 9281.787965][ T7704] __sys_sendmsg+0xcd/0x170 [ 9281.787965][ T7704] do_syscall_64+0xc6/0x1e0 [ 9281.787965][ T7704] [ 9281.790198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9281.790198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9281.790198][ T7704] ipv6_find_idev+0x102/0x170 [ 9281.790198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9281.790198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.790198][ T7704] netlink_rcv_skb+0x130/0x360 [ 9281.790198][ T7704] netlink_unicast+0x449/0x710 [ 9281.790198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9281.790198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9281.790198][ T7704] ___sys_sendmsg+0xee/0x170 [ 9281.790198][ T7704] __sys_sendmsg+0xcd/0x170 [ 9281.790198][ T7704] do_syscall_64+0xc6/0x1e0 [ 9281.790198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.790198][ T7704] [ 9281.791939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9281.791939][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9281.791939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9281.791939][ T7704] ipv6_find_idev+0x102/0x170 [ 9281.791939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9281.791939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.791939][ T7704] netlink_rcv_skb+0x130/0x360 [ 9281.791939][ T7704] netlink_unicast+0x449/0x710 [ 9281.791939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9281.791939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9281.791939][ T7704] ___sys_sendmsg+0xee/0x170 [ 9281.791939][ T7704] __sys_sendmsg+0xcd/0x170 [ 9281.791939][ T7704] do_syscall_64+0xc6/0x1e0 [ 9281.791939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.791939][ T7704] [ 9292.046872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9292.047352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9292.047352][ T7704] netdev_get_by_index+0x5e/0x80 [ 9292.047352][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9292.047352][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9292.047352][ T7704] ip6_route_add+0x1c/0x140 [ 9292.047352][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9292.047352][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9292.047352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9292.047352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9292.047352][ T7704] netlink_rcv_skb+0x130/0x360 [ 9292.047352][ T7704] netlink_unicast+0x449/0x710 [ 9292.047352][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9292.047352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9292.047352][ T7704] ___sys_sendmsg+0xee/0x170 [ 9292.047352][ T7704] __sys_sendmsg+0xcd/0x170 [ 9292.047352][ T7704] do_syscall_64+0xc6/0x1e0 [ 9292.047352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9292.047352][ T7704] [ 9292.049639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9292.049639][ T7704] netdev_get_by_index+0x5e/0x80 [ 9292.049639][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9292.049639][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9292.049639][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9292.049639][ T7704] ipv6_add_addr+0x411/0x2000 [ 9292.049639][ T7704] inet6_addr_add+0x30e/0xa40 [ 9292.049639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9292.049639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9292.049639][ T7704] netlink_rcv_skb+0x130/0x360 [ 9292.049639][ T7704] netlink_unicast+0x449/0x710 [ 9292.049639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9292.049639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9292.049639][ T7704] ___sys_sendmsg+0xee/0x170 [ 9292.049639][ T7704] __sys_sendmsg+0xcd/0x170 [ 9292.049639][ T7704] do_syscall_64+0xc6/0x1e0 [ 9292.049639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9292.049639][ T7704] [ 9292.051898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9292.051898][ T7704] netdev_get_by_index+0x5e/0x80 [ 9292.051898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9292.051898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9292.051898][ T7704] ip6_route_add+0x1c/0x140 [ 9292.051898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9292.051898][ T7704] addrconf_add_dev+0xe2/0x170 [ 9292.051898][ T7704] inet6_addr_add+0x12f/0xa40 [ 9292.051898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9292.051898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9292.051898][ T7704] netlink_rcv_skb+0x130/0x360 [ 9292.051898][ T7704] netlink_unicast+0x449/0x710 [ 9292.051898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9292.051898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9292.051898][ T7704] ___sys_sendmsg+0xee/0x170 [ 9292.051898][ T7704] __sys_sendmsg+0xcd/0x170 [ 9292.051898][ T7704] do_syscall_64+0xc6/0x1e0 [ 9292.051898][ T7704] [ 9292.054128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9292.054128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9292.054128][ T7704] ipv6_find_idev+0x102/0x170 [ 9292.054128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9292.054128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9292.054128][ T7704] netlink_rcv_skb+0x130/0x360 [ 9292.054128][ T7704] netlink_unicast+0x449/0x710 [ 9292.054128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9292.054128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9292.054128][ T7704] ___sys_sendmsg+0xee/0x170 [ 9292.054128][ T7704] __sys_sendmsg+0xcd/0x170 [ 9292.054128][ T7704] do_syscall_64+0xc6/0x1e0 [ 9292.054128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9292.054128][ T7704] [ 9292.055868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9292.055868][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9292.055868][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9292.055868][ T7704] ipv6_find_idev+0x102/0x170 [ 9292.055868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9292.055868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9292.055868][ T7704] netlink_rcv_skb+0x130/0x360 [ 9292.055868][ T7704] netlink_unicast+0x449/0x710 [ 9292.055868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9292.055868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9292.055868][ T7704] ___sys_sendmsg+0xee/0x170 [ 9292.055868][ T7704] __sys_sendmsg+0xcd/0x170 [ 9292.055868][ T7704] do_syscall_64+0xc6/0x1e0 [ 9292.055868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9292.055868][ T7704] [ 9302.094940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9302.095440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9302.095440][ T7704] netdev_get_by_index+0x5e/0x80 [ 9302.095440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9302.095440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9302.095440][ T7704] ip6_route_add+0x1c/0x140 [ 9302.095440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9302.095440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9302.095440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9302.095440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9302.095440][ T7704] netlink_rcv_skb+0x130/0x360 [ 9302.095440][ T7704] netlink_unicast+0x449/0x710 [ 9302.095440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9302.095440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9302.095440][ T7704] ___sys_sendmsg+0xee/0x170 [ 9302.095440][ T7704] __sys_sendmsg+0xcd/0x170 [ 9302.095440][ T7704] do_syscall_64+0xc6/0x1e0 [ 9302.095440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9302.095440][ T7704] [ 9302.097697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9302.097697][ T7704] netdev_get_by_index+0x5e/0x80 [ 9302.097697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9302.097697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9302.097697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9302.097697][ T7704] ipv6_add_addr+0x411/0x2000 [ 9302.097697][ T7704] inet6_addr_add+0x30e/0xa40 [ 9302.097697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9302.097697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9302.097697][ T7704] netlink_rcv_skb+0x130/0x360 [ 9302.097697][ T7704] netlink_unicast+0x449/0x710 [ 9302.097697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9302.097697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9302.097697][ T7704] ___sys_sendmsg+0xee/0x170 [ 9302.097697][ T7704] __sys_sendmsg+0xcd/0x170 [ 9302.097697][ T7704] do_syscall_64+0xc6/0x1e0 [ 9302.097697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9302.097697][ T7704] [ 9302.099919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9302.099919][ T7704] netdev_get_by_index+0x5e/0x80 [ 9302.099919][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9302.099919][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9302.099919][ T7704] ip6_route_add+0x1c/0x140 [ 9302.099919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9302.099919][ T7704] addrconf_add_dev+0xe2/0x170 [ 9302.099919][ T7704] inet6_addr_add+0x12f/0xa40 [ 9302.099919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9302.099919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9302.099919][ T7704] netlink_rcv_skb+0x130/0x360 [ 9302.099919][ T7704] netlink_unicast+0x449/0x710 [ 9302.099919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9302.099919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9302.099919][ T7704] ___sys_sendmsg+0xee/0x170 [ 9302.099919][ T7704] __sys_sendmsg+0xcd/0x170 [ 9302.099919][ T7704] do_syscall_64+0xc6/0x1e0 [ 9302.099919][ T7704] [ 9302.102126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9302.102126][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9302.102126][ T7704] ipv6_find_idev+0x102/0x170 [ 9302.102126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9302.102126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9302.102126][ T7704] netlink_rcv_skb+0x130/0x360 [ 9302.102126][ T7704] netlink_unicast+0x449/0x710 [ 9302.102126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9302.102126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9302.102126][ T7704] ___sys_sendmsg+0xee/0x170 [ 9302.102126][ T7704] __sys_sendmsg+0xcd/0x170 [ 9302.102126][ T7704] do_syscall_64+0xc6/0x1e0 [ 9302.102126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9302.102126][ T7704] [ 9302.103837][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9302.103837][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9302.103837][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9302.103837][ T7704] ipv6_find_idev+0x102/0x170 [ 9302.103837][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9302.103837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9302.103837][ T7704] netlink_rcv_skb+0x130/0x360 [ 9302.103837][ T7704] netlink_unicast+0x449/0x710 [ 9302.103837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9302.103837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9302.103837][ T7704] ___sys_sendmsg+0xee/0x170 [ 9302.103837][ T7704] __sys_sendmsg+0xcd/0x170 [ 9302.103837][ T7704] do_syscall_64+0xc6/0x1e0 [ 9302.103837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9302.103837][ T7704] [ 9312.150961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9312.151465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9312.151465][ T7704] netdev_get_by_index+0x5e/0x80 [ 9312.151465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9312.151465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9312.151465][ T7704] ip6_route_add+0x1c/0x140 [ 9312.151465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9312.151465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9312.151465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.151465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.151465][ T7704] netlink_rcv_skb+0x130/0x360 [ 9312.151465][ T7704] netlink_unicast+0x449/0x710 [ 9312.151465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9312.151465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9312.151465][ T7704] ___sys_sendmsg+0xee/0x170 [ 9312.151465][ T7704] __sys_sendmsg+0xcd/0x170 [ 9312.151465][ T7704] do_syscall_64+0xc6/0x1e0 [ 9312.151465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.151465][ T7704] [ 9312.153721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9312.153721][ T7704] netdev_get_by_index+0x5e/0x80 [ 9312.153721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9312.153721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9312.153721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9312.153721][ T7704] ipv6_add_addr+0x411/0x2000 [ 9312.153721][ T7704] inet6_addr_add+0x30e/0xa40 [ 9312.153721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.153721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.153721][ T7704] netlink_rcv_skb+0x130/0x360 [ 9312.153721][ T7704] netlink_unicast+0x449/0x710 [ 9312.153721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9312.153721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9312.153721][ T7704] ___sys_sendmsg+0xee/0x170 [ 9312.153721][ T7704] __sys_sendmsg+0xcd/0x170 [ 9312.153721][ T7704] do_syscall_64+0xc6/0x1e0 [ 9312.153721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.153721][ T7704] [ 9312.155943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9312.155943][ T7704] netdev_get_by_index+0x5e/0x80 [ 9312.155943][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9312.155943][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9312.155943][ T7704] ip6_route_add+0x1c/0x140 [ 9312.155943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9312.155943][ T7704] addrconf_add_dev+0xe2/0x170 [ 9312.155943][ T7704] inet6_addr_add+0x12f/0xa40 [ 9312.155943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.155943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.155943][ T7704] netlink_rcv_skb+0x130/0x360 [ 9312.155943][ T7704] netlink_unicast+0x449/0x710 [ 9312.155943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9312.155943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9312.155943][ T7704] ___sys_sendmsg+0xee/0x170 [ 9312.155943][ T7704] __sys_sendmsg+0xcd/0x170 [ 9312.155943][ T7704] do_syscall_64+0xc6/0x1e0 [ 9312.155943][ T7704] [ 9312.158137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9312.158137][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9312.158137][ T7704] ipv6_find_idev+0x102/0x170 [ 9312.158137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9312.158137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.158137][ T7704] netlink_rcv_skb+0x130/0x360 [ 9312.158137][ T7704] netlink_unicast+0x449/0x710 [ 9312.158137][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9312.158137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9312.158137][ T7704] ___sys_sendmsg+0xee/0x170 [ 9312.158137][ T7704] __sys_sendmsg+0xcd/0x170 [ 9312.158137][ T7704] do_syscall_64+0xc6/0x1e0 [ 9312.158137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.158137][ T7704] [ 9312.159851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9312.159851][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9312.159851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9312.159851][ T7704] ipv6_find_idev+0x102/0x170 [ 9312.159851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9312.159851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.159851][ T7704] netlink_rcv_skb+0x130/0x360 [ 9312.159851][ T7704] netlink_unicast+0x449/0x710 [ 9312.159851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9312.159851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9312.159851][ T7704] ___sys_sendmsg+0xee/0x170 [ 9312.159851][ T7704] __sys_sendmsg+0xcd/0x170 [ 9312.159851][ T7704] do_syscall_64+0xc6/0x1e0 [ 9312.159851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.159851][ T7704] [ 9322.398963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9322.399496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9322.399496][ T7704] netdev_get_by_index+0x5e/0x80 [ 9322.399496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9322.399496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9322.399496][ T7704] ip6_route_add+0x1c/0x140 [ 9322.399496][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9322.399496][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9322.399496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.399496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.399496][ T7704] netlink_rcv_skb+0x130/0x360 [ 9322.399496][ T7704] netlink_unicast+0x449/0x710 [ 9322.399496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9322.399496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9322.399496][ T7704] ___sys_sendmsg+0xee/0x170 [ 9322.399496][ T7704] __sys_sendmsg+0xcd/0x170 [ 9322.399496][ T7704] do_syscall_64+0xc6/0x1e0 [ 9322.399496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.399496][ T7704] [ 9322.401738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9322.401738][ T7704] netdev_get_by_index+0x5e/0x80 [ 9322.401738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9322.401738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9322.401738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9322.401738][ T7704] ipv6_add_addr+0x411/0x2000 [ 9322.401738][ T7704] inet6_addr_add+0x30e/0xa40 [ 9322.401738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.401738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.401738][ T7704] netlink_rcv_skb+0x130/0x360 [ 9322.401738][ T7704] netlink_unicast+0x449/0x710 [ 9322.401738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9322.401738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9322.401738][ T7704] ___sys_sendmsg+0xee/0x170 [ 9322.401738][ T7704] __sys_sendmsg+0xcd/0x170 [ 9322.401738][ T7704] do_syscall_64+0xc6/0x1e0 [ 9322.401738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.401738][ T7704] [ 9322.403973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9322.403973][ T7704] netdev_get_by_index+0x5e/0x80 [ 9322.403973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9322.403973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9322.403973][ T7704] ip6_route_add+0x1c/0x140 [ 9322.403973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9322.403973][ T7704] addrconf_add_dev+0xe2/0x170 [ 9322.403973][ T7704] inet6_addr_add+0x12f/0xa40 [ 9322.403973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.403973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.403973][ T7704] netlink_rcv_skb+0x130/0x360 [ 9322.403973][ T7704] netlink_unicast+0x449/0x710 [ 9322.403973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9322.403973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9322.403973][ T7704] ___sys_sendmsg+0xee/0x170 [ 9322.403973][ T7704] __sys_sendmsg+0xcd/0x170 [ 9322.403973][ T7704] do_syscall_64+0xc6/0x1e0 [ 9322.403973][ T7704] [ 9322.406302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9322.406302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9322.406302][ T7704] ipv6_find_idev+0x102/0x170 [ 9322.406302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9322.406302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.406302][ T7704] netlink_rcv_skb+0x130/0x360 [ 9322.406302][ T7704] netlink_unicast+0x449/0x710 [ 9322.406302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9322.406302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9322.406302][ T7704] ___sys_sendmsg+0xee/0x170 [ 9322.406302][ T7704] __sys_sendmsg+0xcd/0x170 [ 9322.406302][ T7704] do_syscall_64+0xc6/0x1e0 [ 9322.406302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.406302][ T7704] [ 9322.408023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9322.408023][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9322.408023][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9322.408023][ T7704] ipv6_find_idev+0x102/0x170 [ 9322.408023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9322.408023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.408023][ T7704] netlink_rcv_skb+0x130/0x360 [ 9322.408023][ T7704] netlink_unicast+0x449/0x710 [ 9322.408023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9322.408023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9322.408023][ T7704] ___sys_sendmsg+0xee/0x170 [ 9322.408023][ T7704] __sys_sendmsg+0xcd/0x170 [ 9322.408023][ T7704] do_syscall_64+0xc6/0x1e0 [ 9322.408023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.408023][ T7704] [ 9332.646901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9332.647355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9332.647355][ T7704] netdev_get_by_index+0x5e/0x80 [ 9332.647355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9332.647355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9332.647355][ T7704] ip6_route_add+0x1c/0x140 [ 9332.647355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9332.647355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9332.647355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.647355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.647355][ T7704] netlink_rcv_skb+0x130/0x360 [ 9332.647355][ T7704] netlink_unicast+0x449/0x710 [ 9332.647355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9332.647355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9332.647355][ T7704] ___sys_sendmsg+0xee/0x170 [ 9332.647355][ T7704] __sys_sendmsg+0xcd/0x170 [ 9332.647355][ T7704] do_syscall_64+0xc6/0x1e0 [ 9332.647355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.647355][ T7704] [ 9332.649612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9332.649612][ T7704] netdev_get_by_index+0x5e/0x80 [ 9332.649612][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9332.649612][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9332.649612][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9332.649612][ T7704] ipv6_add_addr+0x411/0x2000 [ 9332.649612][ T7704] inet6_addr_add+0x30e/0xa40 [ 9332.649612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.649612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.649612][ T7704] netlink_rcv_skb+0x130/0x360 [ 9332.649612][ T7704] netlink_unicast+0x449/0x710 [ 9332.649612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9332.649612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9332.649612][ T7704] ___sys_sendmsg+0xee/0x170 [ 9332.649612][ T7704] __sys_sendmsg+0xcd/0x170 [ 9332.649612][ T7704] do_syscall_64+0xc6/0x1e0 [ 9332.649612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.649612][ T7704] [ 9332.651845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9332.651845][ T7704] netdev_get_by_index+0x5e/0x80 [ 9332.651845][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9332.651845][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9332.651845][ T7704] ip6_route_add+0x1c/0x140 [ 9332.651845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9332.651845][ T7704] addrconf_add_dev+0xe2/0x170 [ 9332.651845][ T7704] inet6_addr_add+0x12f/0xa40 [ 9332.651845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.651845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.651845][ T7704] netlink_rcv_skb+0x130/0x360 [ 9332.651845][ T7704] netlink_unicast+0x449/0x710 [ 9332.651845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9332.651845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9332.651845][ T7704] ___sys_sendmsg+0xee/0x170 [ 9332.651845][ T7704] __sys_sendmsg+0xcd/0x170 [ 9332.651845][ T7704] do_syscall_64+0xc6/0x1e0 [ 9332.651845][ T7704] [ 9332.654038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9332.654038][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9332.654038][ T7704] ipv6_find_idev+0x102/0x170 [ 9332.654038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9332.654038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.654038][ T7704] netlink_rcv_skb+0x130/0x360 [ 9332.654038][ T7704] netlink_unicast+0x449/0x710 [ 9332.654038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9332.654038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9332.654038][ T7704] ___sys_sendmsg+0xee/0x170 [ 9332.654038][ T7704] __sys_sendmsg+0xcd/0x170 [ 9332.654038][ T7704] do_syscall_64+0xc6/0x1e0 [ 9332.654038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.654038][ T7704] [ 9332.655767][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9332.655767][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9332.655767][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9332.655767][ T7704] ipv6_find_idev+0x102/0x170 [ 9332.655767][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9332.655767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.655767][ T7704] netlink_rcv_skb+0x130/0x360 [ 9332.655767][ T7704] netlink_unicast+0x449/0x710 [ 9332.655767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9332.655767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9332.655767][ T7704] ___sys_sendmsg+0xee/0x170 [ 9332.655767][ T7704] __sys_sendmsg+0xcd/0x170 [ 9332.655767][ T7704] do_syscall_64+0xc6/0x1e0 [ 9332.655767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.655767][ T7704] [ 9342.895073][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9342.895631][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9342.895631][ T7704] netdev_get_by_index+0x5e/0x80 [ 9342.895631][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9342.895631][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9342.895631][ T7704] ip6_route_add+0x1c/0x140 [ 9342.895631][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9342.895631][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9342.895631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.895631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.895631][ T7704] netlink_rcv_skb+0x130/0x360 [ 9342.895631][ T7704] netlink_unicast+0x449/0x710 [ 9342.895631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9342.895631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9342.895631][ T7704] ___sys_sendmsg+0xee/0x170 [ 9342.895631][ T7704] __sys_sendmsg+0xcd/0x170 [ 9342.895631][ T7704] do_syscall_64+0xc6/0x1e0 [ 9342.895631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.895631][ T7704] [ 9342.897985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9342.897985][ T7704] netdev_get_by_index+0x5e/0x80 [ 9342.897985][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9342.897985][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9342.897985][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9342.897985][ T7704] ipv6_add_addr+0x411/0x2000 [ 9342.897985][ T7704] inet6_addr_add+0x30e/0xa40 [ 9342.897985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.897985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.897985][ T7704] netlink_rcv_skb+0x130/0x360 [ 9342.897985][ T7704] netlink_unicast+0x449/0x710 [ 9342.897985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9342.897985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9342.897985][ T7704] ___sys_sendmsg+0xee/0x170 [ 9342.897985][ T7704] __sys_sendmsg+0xcd/0x170 [ 9342.897985][ T7704] do_syscall_64+0xc6/0x1e0 [ 9342.897985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.897985][ T7704] [ 9342.900214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9342.900214][ T7704] netdev_get_by_index+0x5e/0x80 [ 9342.900214][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9342.900214][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9342.900214][ T7704] ip6_route_add+0x1c/0x140 [ 9342.900214][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9342.900214][ T7704] addrconf_add_dev+0xe2/0x170 [ 9342.900214][ T7704] inet6_addr_add+0x12f/0xa40 [ 9342.900214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.900214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.900214][ T7704] netlink_rcv_skb+0x130/0x360 [ 9342.900214][ T7704] netlink_unicast+0x449/0x710 [ 9342.900214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9342.900214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9342.900214][ T7704] ___sys_sendmsg+0xee/0x170 [ 9342.900214][ T7704] __sys_sendmsg+0xcd/0x170 [ 9342.900214][ T7704] do_syscall_64+0xc6/0x1e0 [ 9342.900214][ T7704] [ 9342.902405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9342.902405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9342.902405][ T7704] ipv6_find_idev+0x102/0x170 [ 9342.902405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9342.902405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.902405][ T7704] netlink_rcv_skb+0x130/0x360 [ 9342.902405][ T7704] netlink_unicast+0x449/0x710 [ 9342.902405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9342.902405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9342.902405][ T7704] ___sys_sendmsg+0xee/0x170 [ 9342.902405][ T7704] __sys_sendmsg+0xcd/0x170 [ 9342.902405][ T7704] do_syscall_64+0xc6/0x1e0 [ 9342.902405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.902405][ T7704] [ 9342.904116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9342.904116][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9342.904116][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9342.904116][ T7704] ipv6_find_idev+0x102/0x170 [ 9342.904116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9342.904116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.904116][ T7704] netlink_rcv_skb+0x130/0x360 [ 9342.904116][ T7704] netlink_unicast+0x449/0x710 [ 9342.904116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9342.904116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9342.904116][ T7704] ___sys_sendmsg+0xee/0x170 [ 9342.904116][ T7704] __sys_sendmsg+0xcd/0x170 [ 9342.904116][ T7704] do_syscall_64+0xc6/0x1e0 [ 9342.904116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.904116][ T7704] [ 9353.143010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9353.143540][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9353.143540][ T7704] netdev_get_by_index+0x5e/0x80 [ 9353.143540][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9353.143540][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9353.143540][ T7704] ip6_route_add+0x1c/0x140 [ 9353.143540][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9353.143540][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9353.143540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9353.143540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9353.143540][ T7704] netlink_rcv_skb+0x130/0x360 [ 9353.143540][ T7704] netlink_unicast+0x449/0x710 [ 9353.143540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9353.143540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9353.143540][ T7704] ___sys_sendmsg+0xee/0x170 [ 9353.143540][ T7704] __sys_sendmsg+0xcd/0x170 [ 9353.143540][ T7704] do_syscall_64+0xc6/0x1e0 [ 9353.143540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9353.143540][ T7704] [ 9353.145795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9353.145795][ T7704] netdev_get_by_index+0x5e/0x80 [ 9353.145795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9353.145795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9353.145795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9353.145795][ T7704] ipv6_add_addr+0x411/0x2000 [ 9353.145795][ T7704] inet6_addr_add+0x30e/0xa40 [ 9353.145795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9353.145795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9353.145795][ T7704] netlink_rcv_skb+0x130/0x360 [ 9353.145795][ T7704] netlink_unicast+0x449/0x710 [ 9353.145795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9353.145795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9353.145795][ T7704] ___sys_sendmsg+0xee/0x170 [ 9353.145795][ T7704] __sys_sendmsg+0xcd/0x170 [ 9353.145795][ T7704] do_syscall_64+0xc6/0x1e0 [ 9353.145795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9353.145795][ T7704] [ 9353.148026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9353.148026][ T7704] netdev_get_by_index+0x5e/0x80 [ 9353.148026][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9353.148026][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9353.148026][ T7704] ip6_route_add+0x1c/0x140 [ 9353.148026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9353.148026][ T7704] addrconf_add_dev+0xe2/0x170 [ 9353.148026][ T7704] inet6_addr_add+0x12f/0xa40 [ 9353.148026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9353.148026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9353.148026][ T7704] netlink_rcv_skb+0x130/0x360 [ 9353.148026][ T7704] netlink_unicast+0x449/0x710 [ 9353.148026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9353.148026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9353.148026][ T7704] ___sys_sendmsg+0xee/0x170 [ 9353.148026][ T7704] __sys_sendmsg+0xcd/0x170 [ 9353.148026][ T7704] do_syscall_64+0xc6/0x1e0 [ 9353.148026][ T7704] [ 9353.150206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9353.150206][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9353.150206][ T7704] ipv6_find_idev+0x102/0x170 [ 9353.150206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9353.150206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9353.150206][ T7704] netlink_rcv_skb+0x130/0x360 [ 9353.150206][ T7704] netlink_unicast+0x449/0x710 [ 9353.150206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9353.150206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9353.150206][ T7704] ___sys_sendmsg+0xee/0x170 [ 9353.150206][ T7704] __sys_sendmsg+0xcd/0x170 [ 9353.150206][ T7704] do_syscall_64+0xc6/0x1e0 [ 9353.150206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9353.150206][ T7704] [ 9353.151914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9353.151914][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9353.151914][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9353.151914][ T7704] ipv6_find_idev+0x102/0x170 [ 9353.151914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9353.151914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9353.151914][ T7704] netlink_rcv_skb+0x130/0x360 [ 9353.151914][ T7704] netlink_unicast+0x449/0x710 [ 9353.151914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9353.151914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9353.151914][ T7704] ___sys_sendmsg+0xee/0x170 [ 9353.151914][ T7704] __sys_sendmsg+0xcd/0x170 [ 9353.151914][ T7704] do_syscall_64+0xc6/0x1e0 [ 9353.151914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9353.151914][ T7704] [ 9363.839115][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9363.839656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9363.839656][ T7704] netdev_get_by_index+0x5e/0x80 [ 9363.839656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9363.839656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9363.839656][ T7704] ip6_route_add+0x1c/0x140 [ 9363.839656][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9363.839656][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9363.839656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.839656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.839656][ T7704] netlink_rcv_skb+0x130/0x360 [ 9363.839656][ T7704] netlink_unicast+0x449/0x710 [ 9363.839656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9363.839656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9363.839656][ T7704] ___sys_sendmsg+0xee/0x170 [ 9363.839656][ T7704] __sys_sendmsg+0xcd/0x170 [ 9363.839656][ T7704] do_syscall_64+0xc6/0x1e0 [ 9363.839656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.839656][ T7704] [ 9363.841908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9363.841908][ T7704] netdev_get_by_index+0x5e/0x80 [ 9363.841908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9363.841908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9363.841908][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9363.841908][ T7704] ipv6_add_addr+0x411/0x2000 [ 9363.841908][ T7704] inet6_addr_add+0x30e/0xa40 [ 9363.841908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.841908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.841908][ T7704] netlink_rcv_skb+0x130/0x360 [ 9363.841908][ T7704] netlink_unicast+0x449/0x710 [ 9363.841908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9363.841908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9363.841908][ T7704] ___sys_sendmsg+0xee/0x170 [ 9363.841908][ T7704] __sys_sendmsg+0xcd/0x170 [ 9363.841908][ T7704] do_syscall_64+0xc6/0x1e0 [ 9363.841908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.841908][ T7704] [ 9363.844125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9363.844125][ T7704] netdev_get_by_index+0x5e/0x80 [ 9363.844125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9363.844125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9363.844125][ T7704] ip6_route_add+0x1c/0x140 [ 9363.844125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9363.844125][ T7704] addrconf_add_dev+0xe2/0x170 [ 9363.844125][ T7704] inet6_addr_add+0x12f/0xa40 [ 9363.844125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.844125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.844125][ T7704] netlink_rcv_skb+0x130/0x360 [ 9363.844125][ T7704] netlink_unicast+0x449/0x710 [ 9363.844125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9363.844125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9363.844125][ T7704] ___sys_sendmsg+0xee/0x170 [ 9363.844125][ T7704] __sys_sendmsg+0xcd/0x170 [ 9363.844125][ T7704] do_syscall_64+0xc6/0x1e0 [ 9363.844125][ T7704] [ 9363.846384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9363.846384][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9363.846384][ T7704] ipv6_find_idev+0x102/0x170 [ 9363.846384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9363.846384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.846384][ T7704] netlink_rcv_skb+0x130/0x360 [ 9363.846384][ T7704] netlink_unicast+0x449/0x710 [ 9363.846384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9363.846384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9363.846384][ T7704] ___sys_sendmsg+0xee/0x170 [ 9363.846384][ T7704] __sys_sendmsg+0xcd/0x170 [ 9363.846384][ T7704] do_syscall_64+0xc6/0x1e0 [ 9363.846384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.846384][ T7704] [ 9363.848095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9363.848095][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9363.848095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9363.848095][ T7704] ipv6_find_idev+0x102/0x170 [ 9363.848095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9363.848095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.848095][ T7704] netlink_rcv_skb+0x130/0x360 [ 9363.848095][ T7704] netlink_unicast+0x449/0x710 [ 9363.848095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9363.848095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9363.848095][ T7704] ___sys_sendmsg+0xee/0x170 [ 9363.848095][ T7704] __sys_sendmsg+0xcd/0x170 [ 9363.848095][ T7704] do_syscall_64+0xc6/0x1e0 [ 9363.848095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.848095][ T7704] [ 9374.030984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9374.031468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9374.031468][ T7704] netdev_get_by_index+0x5e/0x80 [ 9374.031468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9374.031468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9374.031468][ T7704] ip6_route_add+0x1c/0x140 [ 9374.031468][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9374.031468][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9374.031468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9374.031468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9374.031468][ T7704] netlink_rcv_skb+0x130/0x360 [ 9374.031468][ T7704] netlink_unicast+0x449/0x710 [ 9374.031468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9374.031468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9374.031468][ T7704] ___sys_sendmsg+0xee/0x170 [ 9374.031468][ T7704] __sys_sendmsg+0xcd/0x170 [ 9374.031468][ T7704] do_syscall_64+0xc6/0x1e0 [ 9374.031468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9374.031468][ T7704] [ 9374.034097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9374.034097][ T7704] netdev_get_by_index+0x5e/0x80 [ 9374.034097][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9374.034097][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9374.034097][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9374.034097][ T7704] ipv6_add_addr+0x411/0x2000 [ 9374.034097][ T7704] inet6_addr_add+0x30e/0xa40 [ 9374.034097][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9374.034097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9374.034097][ T7704] netlink_rcv_skb+0x130/0x360 [ 9374.034097][ T7704] netlink_unicast+0x449/0x710 [ 9374.034097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9374.034097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9374.034097][ T7704] ___sys_sendmsg+0xee/0x170 [ 9374.034097][ T7704] __sys_sendmsg+0xcd/0x170 [ 9374.034097][ T7704] do_syscall_64+0xc6/0x1e0 [ 9374.034097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9374.034097][ T7704] [ 9374.036583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9374.036583][ T7704] netdev_get_by_index+0x5e/0x80 [ 9374.036583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9374.036583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9374.036583][ T7704] ip6_route_add+0x1c/0x140 [ 9374.036583][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9374.036583][ T7704] addrconf_add_dev+0xe2/0x170 [ 9374.036583][ T7704] inet6_addr_add+0x12f/0xa40 [ 9374.036583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9374.036583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9374.036583][ T7704] netlink_rcv_skb+0x130/0x360 [ 9374.036583][ T7704] netlink_unicast+0x449/0x710 [ 9374.036583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9374.036583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9374.036583][ T7704] ___sys_sendmsg+0xee/0x170 [ 9374.036583][ T7704] __sys_sendmsg+0xcd/0x170 [ 9374.036583][ T7704] do_syscall_64+0xc6/0x1e0 [ 9374.036583][ T7704] [ 9374.039013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9374.039013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9374.039013][ T7704] ipv6_find_idev+0x102/0x170 [ 9374.039013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9374.039013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9374.039013][ T7704] netlink_rcv_skb+0x130/0x360 [ 9374.039013][ T7704] netlink_unicast+0x449/0x710 [ 9374.039013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9374.039013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9374.039013][ T7704] ___sys_sendmsg+0xee/0x170 [ 9374.039013][ T7704] __sys_sendmsg+0xcd/0x170 [ 9374.039013][ T7704] do_syscall_64+0xc6/0x1e0 [ 9374.039013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9374.039013][ T7704] [ 9374.040903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9374.040903][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9374.040903][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9374.040903][ T7704] ipv6_find_idev+0x102/0x170 [ 9374.040903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9374.040903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9374.040903][ T7704] netlink_rcv_skb+0x130/0x360 [ 9374.040903][ T7704] netlink_unicast+0x449/0x710 [ 9374.040903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9374.040903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9374.040903][ T7704] ___sys_sendmsg+0xee/0x170 [ 9374.040903][ T7704] __sys_sendmsg+0xcd/0x170 [ 9374.040903][ T7704] do_syscall_64+0xc6/0x1e0 [ 9374.040903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9374.040903][ T7704] [ 9384.334998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9384.335443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9384.335443][ T7704] netdev_get_by_index+0x5e/0x80 [ 9384.335443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9384.335443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9384.335443][ T7704] ip6_route_add+0x1c/0x140 [ 9384.335443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9384.335443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9384.335443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9384.335443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9384.335443][ T7704] netlink_rcv_skb+0x130/0x360 [ 9384.335443][ T7704] netlink_unicast+0x449/0x710 [ 9384.335443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9384.335443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9384.335443][ T7704] ___sys_sendmsg+0xee/0x170 [ 9384.335443][ T7704] __sys_sendmsg+0xcd/0x170 [ 9384.335443][ T7704] do_syscall_64+0xc6/0x1e0 [ 9384.335443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9384.335443][ T7704] [ 9384.337838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9384.337838][ T7704] netdev_get_by_index+0x5e/0x80 [ 9384.337838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9384.337838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9384.337838][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9384.337838][ T7704] ipv6_add_addr+0x411/0x2000 [ 9384.337838][ T7704] inet6_addr_add+0x30e/0xa40 [ 9384.337838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9384.337838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9384.337838][ T7704] netlink_rcv_skb+0x130/0x360 [ 9384.337838][ T7704] netlink_unicast+0x449/0x710 [ 9384.337838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9384.337838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9384.337838][ T7704] ___sys_sendmsg+0xee/0x170 [ 9384.337838][ T7704] __sys_sendmsg+0xcd/0x170 [ 9384.337838][ T7704] do_syscall_64+0xc6/0x1e0 [ 9384.337838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9384.337838][ T7704] [ 9384.340128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9384.340128][ T7704] netdev_get_by_index+0x5e/0x80 [ 9384.340128][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9384.340128][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9384.340128][ T7704] ip6_route_add+0x1c/0x140 [ 9384.340128][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9384.340128][ T7704] addrconf_add_dev+0xe2/0x170 [ 9384.340128][ T7704] inet6_addr_add+0x12f/0xa40 [ 9384.340128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9384.340128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9384.340128][ T7704] netlink_rcv_skb+0x130/0x360 [ 9384.340128][ T7704] netlink_unicast+0x449/0x710 [ 9384.340128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9384.340128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9384.340128][ T7704] ___sys_sendmsg+0xee/0x170 [ 9384.340128][ T7704] __sys_sendmsg+0xcd/0x170 [ 9384.340128][ T7704] do_syscall_64+0xc6/0x1e0 [ 9384.340128][ T7704] [ 9384.342368][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9384.342368][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9384.342368][ T7704] ipv6_find_idev+0x102/0x170 [ 9384.342368][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9384.342368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9384.342368][ T7704] netlink_rcv_skb+0x130/0x360 [ 9384.342368][ T7704] netlink_unicast+0x449/0x710 [ 9384.342368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9384.342368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9384.342368][ T7704] ___sys_sendmsg+0xee/0x170 [ 9384.342368][ T7704] __sys_sendmsg+0xcd/0x170 [ 9384.342368][ T7704] do_syscall_64+0xc6/0x1e0 [ 9384.342368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9384.342368][ T7704] [ 9384.344103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9384.344103][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9384.344103][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9384.344103][ T7704] ipv6_find_idev+0x102/0x170 [ 9384.344103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9384.344103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9384.344103][ T7704] netlink_rcv_skb+0x130/0x360 [ 9384.344103][ T7704] netlink_unicast+0x449/0x710 [ 9384.344103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9384.344103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9384.344103][ T7704] ___sys_sendmsg+0xee/0x170 [ 9384.344103][ T7704] __sys_sendmsg+0xcd/0x170 [ 9384.344103][ T7704] do_syscall_64+0xc6/0x1e0 [ 9384.344103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9384.344103][ T7704] [ 9394.350883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9394.351369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9394.351369][ T7704] netdev_get_by_index+0x5e/0x80 [ 9394.351369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9394.351369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9394.351369][ T7704] ip6_route_add+0x1c/0x140 [ 9394.351369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9394.351369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9394.351369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9394.351369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9394.351369][ T7704] netlink_rcv_skb+0x130/0x360 [ 9394.351369][ T7704] netlink_unicast+0x449/0x710 [ 9394.351369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9394.351369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9394.351369][ T7704] ___sys_sendmsg+0xee/0x170 [ 9394.351369][ T7704] __sys_sendmsg+0xcd/0x170 [ 9394.351369][ T7704] do_syscall_64+0xc6/0x1e0 [ 9394.351369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9394.351369][ T7704] [ 9394.353665][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9394.353665][ T7704] netdev_get_by_index+0x5e/0x80 [ 9394.353665][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9394.353665][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9394.353665][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9394.353665][ T7704] ipv6_add_addr+0x411/0x2000 [ 9394.353665][ T7704] inet6_addr_add+0x30e/0xa40 [ 9394.353665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9394.353665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9394.353665][ T7704] netlink_rcv_skb+0x130/0x360 [ 9394.353665][ T7704] netlink_unicast+0x449/0x710 [ 9394.353665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9394.353665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9394.353665][ T7704] ___sys_sendmsg+0xee/0x170 [ 9394.353665][ T7704] __sys_sendmsg+0xcd/0x170 [ 9394.353665][ T7704] do_syscall_64+0xc6/0x1e0 [ 9394.353665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9394.353665][ T7704] [ 9394.355957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9394.355957][ T7704] netdev_get_by_index+0x5e/0x80 [ 9394.355957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9394.355957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9394.355957][ T7704] ip6_route_add+0x1c/0x140 [ 9394.355957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9394.355957][ T7704] addrconf_add_dev+0xe2/0x170 [ 9394.355957][ T7704] inet6_addr_add+0x12f/0xa40 [ 9394.355957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9394.355957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9394.355957][ T7704] netlink_rcv_skb+0x130/0x360 [ 9394.355957][ T7704] netlink_unicast+0x449/0x710 [ 9394.355957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9394.355957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9394.355957][ T7704] ___sys_sendmsg+0xee/0x170 [ 9394.355957][ T7704] __sys_sendmsg+0xcd/0x170 [ 9394.355957][ T7704] do_syscall_64+0xc6/0x1e0 [ 9394.355957][ T7704] [ 9394.358197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9394.358197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9394.358197][ T7704] ipv6_find_idev+0x102/0x170 [ 9394.358197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9394.358197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9394.358197][ T7704] netlink_rcv_skb+0x130/0x360 [ 9394.358197][ T7704] netlink_unicast+0x449/0x710 [ 9394.358197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9394.358197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9394.358197][ T7704] ___sys_sendmsg+0xee/0x170 [ 9394.358197][ T7704] __sys_sendmsg+0xcd/0x170 [ 9394.358197][ T7704] do_syscall_64+0xc6/0x1e0 [ 9394.358197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9394.358197][ T7704] [ 9394.359944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9394.359944][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9394.359944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9394.359944][ T7704] ipv6_find_idev+0x102/0x170 [ 9394.359944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9394.359944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9394.359944][ T7704] netlink_rcv_skb+0x130/0x360 [ 9394.359944][ T7704] netlink_unicast+0x449/0x710 [ 9394.359944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9394.359944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9394.359944][ T7704] ___sys_sendmsg+0xee/0x170 [ 9394.359944][ T7704] __sys_sendmsg+0xcd/0x170 [ 9394.359944][ T7704] do_syscall_64+0xc6/0x1e0 [ 9394.359944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9394.359944][ T7704] [ 9404.446878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9404.447385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9404.447385][ T7704] netdev_get_by_index+0x5e/0x80 [ 9404.447385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9404.447385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9404.447385][ T7704] ip6_route_add+0x1c/0x140 [ 9404.447385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9404.447385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9404.447385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.447385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.447385][ T7704] netlink_rcv_skb+0x130/0x360 [ 9404.447385][ T7704] netlink_unicast+0x449/0x710 [ 9404.447385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9404.447385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9404.447385][ T7704] ___sys_sendmsg+0xee/0x170 [ 9404.447385][ T7704] __sys_sendmsg+0xcd/0x170 [ 9404.447385][ T7704] do_syscall_64+0xc6/0x1e0 [ 9404.447385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.447385][ T7704] [ 9404.449639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9404.449639][ T7704] netdev_get_by_index+0x5e/0x80 [ 9404.449639][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9404.449639][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9404.449639][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9404.449639][ T7704] ipv6_add_addr+0x411/0x2000 [ 9404.449639][ T7704] inet6_addr_add+0x30e/0xa40 [ 9404.449639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.449639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.449639][ T7704] netlink_rcv_skb+0x130/0x360 [ 9404.449639][ T7704] netlink_unicast+0x449/0x710 [ 9404.449639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9404.449639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9404.449639][ T7704] ___sys_sendmsg+0xee/0x170 [ 9404.449639][ T7704] __sys_sendmsg+0xcd/0x170 [ 9404.449639][ T7704] do_syscall_64+0xc6/0x1e0 [ 9404.449639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.449639][ T7704] [ 9404.451874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9404.451874][ T7704] netdev_get_by_index+0x5e/0x80 [ 9404.451874][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9404.451874][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9404.451874][ T7704] ip6_route_add+0x1c/0x140 [ 9404.451874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9404.451874][ T7704] addrconf_add_dev+0xe2/0x170 [ 9404.451874][ T7704] inet6_addr_add+0x12f/0xa40 [ 9404.451874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.451874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.451874][ T7704] netlink_rcv_skb+0x130/0x360 [ 9404.451874][ T7704] netlink_unicast+0x449/0x710 [ 9404.451874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9404.451874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9404.451874][ T7704] ___sys_sendmsg+0xee/0x170 [ 9404.451874][ T7704] __sys_sendmsg+0xcd/0x170 [ 9404.451874][ T7704] do_syscall_64+0xc6/0x1e0 [ 9404.451874][ T7704] [ 9404.454111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9404.454111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9404.454111][ T7704] ipv6_find_idev+0x102/0x170 [ 9404.454111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9404.454111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.454111][ T7704] netlink_rcv_skb+0x130/0x360 [ 9404.454111][ T7704] netlink_unicast+0x449/0x710 [ 9404.454111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9404.454111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9404.454111][ T7704] ___sys_sendmsg+0xee/0x170 [ 9404.454111][ T7704] __sys_sendmsg+0xcd/0x170 [ 9404.454111][ T7704] do_syscall_64+0xc6/0x1e0 [ 9404.454111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.454111][ T7704] [ 9404.455847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9404.455847][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9404.455847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9404.455847][ T7704] ipv6_find_idev+0x102/0x170 [ 9404.455847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9404.455847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.455847][ T7704] netlink_rcv_skb+0x130/0x360 [ 9404.455847][ T7704] netlink_unicast+0x449/0x710 [ 9404.455847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9404.455847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9404.455847][ T7704] ___sys_sendmsg+0xee/0x170 [ 9404.455847][ T7704] __sys_sendmsg+0xcd/0x170 [ 9404.455847][ T7704] do_syscall_64+0xc6/0x1e0 [ 9404.455847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.455847][ T7704] [ 9414.662864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9414.663335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9414.663335][ T7704] netdev_get_by_index+0x5e/0x80 [ 9414.663335][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9414.663335][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9414.663335][ T7704] ip6_route_add+0x1c/0x140 [ 9414.663335][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9414.663335][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9414.663335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.663335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.663335][ T7704] netlink_rcv_skb+0x130/0x360 [ 9414.663335][ T7704] netlink_unicast+0x449/0x710 [ 9414.663335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9414.663335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9414.663335][ T7704] ___sys_sendmsg+0xee/0x170 [ 9414.663335][ T7704] __sys_sendmsg+0xcd/0x170 [ 9414.663335][ T7704] do_syscall_64+0xc6/0x1e0 [ 9414.663335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.663335][ T7704] [ 9414.665631][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9414.665631][ T7704] netdev_get_by_index+0x5e/0x80 [ 9414.665631][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9414.665631][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9414.665631][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9414.665631][ T7704] ipv6_add_addr+0x411/0x2000 [ 9414.665631][ T7704] inet6_addr_add+0x30e/0xa40 [ 9414.665631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.665631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.665631][ T7704] netlink_rcv_skb+0x130/0x360 [ 9414.665631][ T7704] netlink_unicast+0x449/0x710 [ 9414.665631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9414.665631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9414.665631][ T7704] ___sys_sendmsg+0xee/0x170 [ 9414.665631][ T7704] __sys_sendmsg+0xcd/0x170 [ 9414.665631][ T7704] do_syscall_64+0xc6/0x1e0 [ 9414.665631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.665631][ T7704] [ 9414.667877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9414.667877][ T7704] netdev_get_by_index+0x5e/0x80 [ 9414.667877][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9414.667877][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9414.667877][ T7704] ip6_route_add+0x1c/0x140 [ 9414.667877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9414.667877][ T7704] addrconf_add_dev+0xe2/0x170 [ 9414.667877][ T7704] inet6_addr_add+0x12f/0xa40 [ 9414.667877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.667877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.667877][ T7704] netlink_rcv_skb+0x130/0x360 [ 9414.667877][ T7704] netlink_unicast+0x449/0x710 [ 9414.667877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9414.667877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9414.667877][ T7704] ___sys_sendmsg+0xee/0x170 [ 9414.667877][ T7704] __sys_sendmsg+0xcd/0x170 [ 9414.667877][ T7704] do_syscall_64+0xc6/0x1e0 [ 9414.667877][ T7704] [ 9414.670074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9414.670074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9414.670074][ T7704] ipv6_find_idev+0x102/0x170 [ 9414.670074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9414.670074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.670074][ T7704] netlink_rcv_skb+0x130/0x360 [ 9414.670074][ T7704] netlink_unicast+0x449/0x710 [ 9414.670074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9414.670074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9414.670074][ T7704] ___sys_sendmsg+0xee/0x170 [ 9414.670074][ T7704] __sys_sendmsg+0xcd/0x170 [ 9414.670074][ T7704] do_syscall_64+0xc6/0x1e0 [ 9414.670074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.670074][ T7704] [ 9414.671795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9414.671795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9414.671795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9414.671795][ T7704] ipv6_find_idev+0x102/0x170 [ 9414.671795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9414.671795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.671795][ T7704] netlink_rcv_skb+0x130/0x360 [ 9414.671795][ T7704] netlink_unicast+0x449/0x710 [ 9414.671795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9414.671795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9414.671795][ T7704] ___sys_sendmsg+0xee/0x170 [ 9414.671795][ T7704] __sys_sendmsg+0xcd/0x170 [ 9414.671795][ T7704] do_syscall_64+0xc6/0x1e0 [ 9414.671795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.671795][ T7704] [ 9424.910866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9424.911348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9424.911348][ T7704] netdev_get_by_index+0x5e/0x80 [ 9424.911348][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9424.911348][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9424.911348][ T7704] ip6_route_add+0x1c/0x140 [ 9424.911348][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9424.911348][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9424.911348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.911348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.911348][ T7704] netlink_rcv_skb+0x130/0x360 [ 9424.911348][ T7704] netlink_unicast+0x449/0x710 [ 9424.911348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9424.911348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9424.911348][ T7704] ___sys_sendmsg+0xee/0x170 [ 9424.911348][ T7704] __sys_sendmsg+0xcd/0x170 [ 9424.911348][ T7704] do_syscall_64+0xc6/0x1e0 [ 9424.911348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.911348][ T7704] [ 9424.913956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9424.913956][ T7704] netdev_get_by_index+0x5e/0x80 [ 9424.913956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9424.913956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9424.913956][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9424.913956][ T7704] ipv6_add_addr+0x411/0x2000 [ 9424.913956][ T7704] inet6_addr_add+0x30e/0xa40 [ 9424.913956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.913956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.913956][ T7704] netlink_rcv_skb+0x130/0x360 [ 9424.913956][ T7704] netlink_unicast+0x449/0x710 [ 9424.913956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9424.913956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9424.913956][ T7704] ___sys_sendmsg+0xee/0x170 [ 9424.913956][ T7704] __sys_sendmsg+0xcd/0x170 [ 9424.913956][ T7704] do_syscall_64+0xc6/0x1e0 [ 9424.913956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.913956][ T7704] [ 9424.916705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9424.916705][ T7704] netdev_get_by_index+0x5e/0x80 [ 9424.916705][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9424.916705][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9424.916705][ T7704] ip6_route_add+0x1c/0x140 [ 9424.916705][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9424.916705][ T7704] addrconf_add_dev+0xe2/0x170 [ 9424.916705][ T7704] inet6_addr_add+0x12f/0xa40 [ 9424.916705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.916705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.916705][ T7704] netlink_rcv_skb+0x130/0x360 [ 9424.916705][ T7704] netlink_unicast+0x449/0x710 [ 9424.916705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9424.916705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9424.916705][ T7704] ___sys_sendmsg+0xee/0x170 [ 9424.916705][ T7704] __sys_sendmsg+0xcd/0x170 [ 9424.916705][ T7704] do_syscall_64+0xc6/0x1e0 [ 9424.916705][ T7704] [ 9424.919422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9424.919422][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9424.919422][ T7704] ipv6_find_idev+0x102/0x170 [ 9424.919422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9424.919422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.919422][ T7704] netlink_rcv_skb+0x130/0x360 [ 9424.919422][ T7704] netlink_unicast+0x449/0x710 [ 9424.919422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9424.919422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9424.919422][ T7704] ___sys_sendmsg+0xee/0x170 [ 9424.919422][ T7704] __sys_sendmsg+0xcd/0x170 [ 9424.919422][ T7704] do_syscall_64+0xc6/0x1e0 [ 9424.919422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.919422][ T7704] [ 9424.921545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9424.921545][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9424.921545][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9424.921545][ T7704] ipv6_find_idev+0x102/0x170 [ 9424.921545][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9424.921545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.921545][ T7704] netlink_rcv_skb+0x130/0x360 [ 9424.921545][ T7704] netlink_unicast+0x449/0x710 [ 9424.921545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9424.921545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9424.921545][ T7704] ___sys_sendmsg+0xee/0x170 [ 9424.921545][ T7704] __sys_sendmsg+0xcd/0x170 [ 9424.921545][ T7704] do_syscall_64+0xc6/0x1e0 [ 9424.921545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.921545][ T7704] [ 9435.166873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9435.167294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9435.167294][ T7704] netdev_get_by_index+0x5e/0x80 [ 9435.167294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9435.167294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9435.167294][ T7704] ip6_route_add+0x1c/0x140 [ 9435.167294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9435.167294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9435.167294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9435.167294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9435.167294][ T7704] netlink_rcv_skb+0x130/0x360 [ 9435.167294][ T7704] netlink_unicast+0x449/0x710 [ 9435.167294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9435.167294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9435.167294][ T7704] ___sys_sendmsg+0xee/0x170 [ 9435.167294][ T7704] __sys_sendmsg+0xcd/0x170 [ 9435.167294][ T7704] do_syscall_64+0xc6/0x1e0 [ 9435.167294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9435.167294][ T7704] [ 9435.169618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9435.169618][ T7704] netdev_get_by_index+0x5e/0x80 [ 9435.169618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9435.169618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9435.169618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9435.169618][ T7704] ipv6_add_addr+0x411/0x2000 [ 9435.169618][ T7704] inet6_addr_add+0x30e/0xa40 [ 9435.169618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9435.169618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9435.169618][ T7704] netlink_rcv_skb+0x130/0x360 [ 9435.169618][ T7704] netlink_unicast+0x449/0x710 [ 9435.169618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9435.169618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9435.169618][ T7704] ___sys_sendmsg+0xee/0x170 [ 9435.169618][ T7704] __sys_sendmsg+0xcd/0x170 [ 9435.169618][ T7704] do_syscall_64+0xc6/0x1e0 [ 9435.169618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9435.169618][ T7704] [ 9435.171893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9435.171893][ T7704] netdev_get_by_index+0x5e/0x80 [ 9435.171893][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9435.171893][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9435.171893][ T7704] ip6_route_add+0x1c/0x140 [ 9435.171893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9435.171893][ T7704] addrconf_add_dev+0xe2/0x170 [ 9435.171893][ T7704] inet6_addr_add+0x12f/0xa40 [ 9435.171893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9435.171893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9435.171893][ T7704] netlink_rcv_skb+0x130/0x360 [ 9435.171893][ T7704] netlink_unicast+0x449/0x710 [ 9435.171893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9435.171893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9435.171893][ T7704] ___sys_sendmsg+0xee/0x170 [ 9435.171893][ T7704] __sys_sendmsg+0xcd/0x170 [ 9435.171893][ T7704] do_syscall_64+0xc6/0x1e0 [ 9435.171893][ T7704] [ 9435.174109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9435.174109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9435.174109][ T7704] ipv6_find_idev+0x102/0x170 [ 9435.174109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9435.174109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9435.174109][ T7704] netlink_rcv_skb+0x130/0x360 [ 9435.174109][ T7704] netlink_unicast+0x449/0x710 [ 9435.174109][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9435.174109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9435.174109][ T7704] ___sys_sendmsg+0xee/0x170 [ 9435.174109][ T7704] __sys_sendmsg+0xcd/0x170 [ 9435.174109][ T7704] do_syscall_64+0xc6/0x1e0 [ 9435.174109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9435.174109][ T7704] [ 9435.175849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9435.175849][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9435.175849][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9435.175849][ T7704] ipv6_find_idev+0x102/0x170 [ 9435.175849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9435.175849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9435.175849][ T7704] netlink_rcv_skb+0x130/0x360 [ 9435.175849][ T7704] netlink_unicast+0x449/0x710 [ 9435.175849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9435.175849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9435.175849][ T7704] ___sys_sendmsg+0xee/0x170 [ 9435.175849][ T7704] __sys_sendmsg+0xcd/0x170 [ 9435.175849][ T7704] do_syscall_64+0xc6/0x1e0 [ 9435.175849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9435.175849][ T7704] [ 9445.414942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9445.415409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9445.415409][ T7704] netdev_get_by_index+0x5e/0x80 [ 9445.415409][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9445.415409][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9445.415409][ T7704] ip6_route_add+0x1c/0x140 [ 9445.415409][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9445.415409][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9445.415409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.415409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.415409][ T7704] netlink_rcv_skb+0x130/0x360 [ 9445.415409][ T7704] netlink_unicast+0x449/0x710 [ 9445.415409][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9445.415409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9445.415409][ T7704] ___sys_sendmsg+0xee/0x170 [ 9445.415409][ T7704] __sys_sendmsg+0xcd/0x170 [ 9445.415409][ T7704] do_syscall_64+0xc6/0x1e0 [ 9445.415409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.415409][ T7704] [ 9445.417686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9445.417686][ T7704] netdev_get_by_index+0x5e/0x80 [ 9445.417686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9445.417686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9445.417686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9445.417686][ T7704] ipv6_add_addr+0x411/0x2000 [ 9445.417686][ T7704] inet6_addr_add+0x30e/0xa40 [ 9445.417686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.417686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.417686][ T7704] netlink_rcv_skb+0x130/0x360 [ 9445.417686][ T7704] netlink_unicast+0x449/0x710 [ 9445.417686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9445.417686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9445.417686][ T7704] ___sys_sendmsg+0xee/0x170 [ 9445.417686][ T7704] __sys_sendmsg+0xcd/0x170 [ 9445.417686][ T7704] do_syscall_64+0xc6/0x1e0 [ 9445.417686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.417686][ T7704] [ 9445.419929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9445.419929][ T7704] netdev_get_by_index+0x5e/0x80 [ 9445.419929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9445.419929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9445.419929][ T7704] ip6_route_add+0x1c/0x140 [ 9445.419929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9445.419929][ T7704] addrconf_add_dev+0xe2/0x170 [ 9445.419929][ T7704] inet6_addr_add+0x12f/0xa40 [ 9445.419929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.419929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.419929][ T7704] netlink_rcv_skb+0x130/0x360 [ 9445.419929][ T7704] netlink_unicast+0x449/0x710 [ 9445.419929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9445.419929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9445.419929][ T7704] ___sys_sendmsg+0xee/0x170 [ 9445.419929][ T7704] __sys_sendmsg+0xcd/0x170 [ 9445.419929][ T7704] do_syscall_64+0xc6/0x1e0 [ 9445.419929][ T7704] [ 9445.422147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9445.422147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9445.422147][ T7704] ipv6_find_idev+0x102/0x170 [ 9445.422147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9445.422147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.422147][ T7704] netlink_rcv_skb+0x130/0x360 [ 9445.422147][ T7704] netlink_unicast+0x449/0x710 [ 9445.422147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9445.422147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9445.422147][ T7704] ___sys_sendmsg+0xee/0x170 [ 9445.422147][ T7704] __sys_sendmsg+0xcd/0x170 [ 9445.422147][ T7704] do_syscall_64+0xc6/0x1e0 [ 9445.422147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.422147][ T7704] [ 9445.423902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9445.423902][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9445.423902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9445.423902][ T7704] ipv6_find_idev+0x102/0x170 [ 9445.423902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9445.423902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.423902][ T7704] netlink_rcv_skb+0x130/0x360 [ 9445.423902][ T7704] netlink_unicast+0x449/0x710 [ 9445.423902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9445.423902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9445.423902][ T7704] ___sys_sendmsg+0xee/0x170 [ 9445.423902][ T7704] __sys_sendmsg+0xcd/0x170 [ 9445.423902][ T7704] do_syscall_64+0xc6/0x1e0 [ 9445.423902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.423902][ T7704] [ 9455.662957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9455.663439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9455.663439][ T7704] netdev_get_by_index+0x5e/0x80 [ 9455.663439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9455.663439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9455.663439][ T7704] ip6_route_add+0x1c/0x140 [ 9455.663439][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9455.663439][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9455.663439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.663439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.663439][ T7704] netlink_rcv_skb+0x130/0x360 [ 9455.663439][ T7704] netlink_unicast+0x449/0x710 [ 9455.663439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9455.663439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9455.663439][ T7704] ___sys_sendmsg+0xee/0x170 [ 9455.663439][ T7704] __sys_sendmsg+0xcd/0x170 [ 9455.663439][ T7704] do_syscall_64+0xc6/0x1e0 [ 9455.663439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.663439][ T7704] [ 9455.665731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9455.665731][ T7704] netdev_get_by_index+0x5e/0x80 [ 9455.665731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9455.665731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9455.665731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9455.665731][ T7704] ipv6_add_addr+0x411/0x2000 [ 9455.665731][ T7704] inet6_addr_add+0x30e/0xa40 [ 9455.665731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.665731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.665731][ T7704] netlink_rcv_skb+0x130/0x360 [ 9455.665731][ T7704] netlink_unicast+0x449/0x710 [ 9455.665731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9455.665731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9455.665731][ T7704] ___sys_sendmsg+0xee/0x170 [ 9455.665731][ T7704] __sys_sendmsg+0xcd/0x170 [ 9455.665731][ T7704] do_syscall_64+0xc6/0x1e0 [ 9455.665731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.665731][ T7704] [ 9455.667968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9455.667968][ T7704] netdev_get_by_index+0x5e/0x80 [ 9455.667968][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9455.667968][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9455.667968][ T7704] ip6_route_add+0x1c/0x140 [ 9455.667968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9455.667968][ T7704] addrconf_add_dev+0xe2/0x170 [ 9455.667968][ T7704] inet6_addr_add+0x12f/0xa40 [ 9455.667968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.667968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.667968][ T7704] netlink_rcv_skb+0x130/0x360 [ 9455.667968][ T7704] netlink_unicast+0x449/0x710 [ 9455.667968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9455.667968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9455.667968][ T7704] ___sys_sendmsg+0xee/0x170 [ 9455.667968][ T7704] __sys_sendmsg+0xcd/0x170 [ 9455.667968][ T7704] do_syscall_64+0xc6/0x1e0 [ 9455.667968][ T7704] [ 9455.670169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9455.670169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9455.670169][ T7704] ipv6_find_idev+0x102/0x170 [ 9455.670169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9455.670169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.670169][ T7704] netlink_rcv_skb+0x130/0x360 [ 9455.670169][ T7704] netlink_unicast+0x449/0x710 [ 9455.670169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9455.670169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9455.670169][ T7704] ___sys_sendmsg+0xee/0x170 [ 9455.670169][ T7704] __sys_sendmsg+0xcd/0x170 [ 9455.670169][ T7704] do_syscall_64+0xc6/0x1e0 [ 9455.670169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.670169][ T7704] [ 9455.671894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9455.671894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9455.671894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9455.671894][ T7704] ipv6_find_idev+0x102/0x170 [ 9455.671894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9455.671894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.671894][ T7704] netlink_rcv_skb+0x130/0x360 [ 9455.671894][ T7704] netlink_unicast+0x449/0x710 [ 9455.671894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9455.671894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9455.671894][ T7704] ___sys_sendmsg+0xee/0x170 [ 9455.671894][ T7704] __sys_sendmsg+0xcd/0x170 [ 9455.671894][ T7704] do_syscall_64+0xc6/0x1e0 [ 9455.671894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.671894][ T7704] [ 9465.910876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9465.911422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9465.911422][ T7704] netdev_get_by_index+0x5e/0x80 [ 9465.911422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9465.911422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9465.911422][ T7704] ip6_route_add+0x1c/0x140 [ 9465.911422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9465.911422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9465.911422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.911422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.911422][ T7704] netlink_rcv_skb+0x130/0x360 [ 9465.911422][ T7704] netlink_unicast+0x449/0x710 [ 9465.911422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9465.911422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9465.911422][ T7704] ___sys_sendmsg+0xee/0x170 [ 9465.911422][ T7704] __sys_sendmsg+0xcd/0x170 [ 9465.911422][ T7704] do_syscall_64+0xc6/0x1e0 [ 9465.911422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.911422][ T7704] [ 9465.913686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9465.913686][ T7704] netdev_get_by_index+0x5e/0x80 [ 9465.913686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9465.913686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9465.913686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9465.913686][ T7704] ipv6_add_addr+0x411/0x2000 [ 9465.913686][ T7704] inet6_addr_add+0x30e/0xa40 [ 9465.913686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.913686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.913686][ T7704] netlink_rcv_skb+0x130/0x360 [ 9465.913686][ T7704] netlink_unicast+0x449/0x710 [ 9465.913686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9465.913686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9465.913686][ T7704] ___sys_sendmsg+0xee/0x170 [ 9465.913686][ T7704] __sys_sendmsg+0xcd/0x170 [ 9465.913686][ T7704] do_syscall_64+0xc6/0x1e0 [ 9465.913686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.913686][ T7704] [ 9465.915935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9465.915935][ T7704] netdev_get_by_index+0x5e/0x80 [ 9465.915935][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9465.915935][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9465.915935][ T7704] ip6_route_add+0x1c/0x140 [ 9465.915935][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9465.915935][ T7704] addrconf_add_dev+0xe2/0x170 [ 9465.915935][ T7704] inet6_addr_add+0x12f/0xa40 [ 9465.915935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.915935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.915935][ T7704] netlink_rcv_skb+0x130/0x360 [ 9465.915935][ T7704] netlink_unicast+0x449/0x710 [ 9465.915935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9465.915935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9465.915935][ T7704] ___sys_sendmsg+0xee/0x170 [ 9465.915935][ T7704] __sys_sendmsg+0xcd/0x170 [ 9465.915935][ T7704] do_syscall_64+0xc6/0x1e0 [ 9465.915935][ T7704] [ 9465.918120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9465.918120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9465.918120][ T7704] ipv6_find_idev+0x102/0x170 [ 9465.918120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9465.918120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.918120][ T7704] netlink_rcv_skb+0x130/0x360 [ 9465.918120][ T7704] netlink_unicast+0x449/0x710 [ 9465.918120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9465.918120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9465.918120][ T7704] ___sys_sendmsg+0xee/0x170 [ 9465.918120][ T7704] __sys_sendmsg+0xcd/0x170 [ 9465.918120][ T7704] do_syscall_64+0xc6/0x1e0 [ 9465.918120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.918120][ T7704] [ 9465.919838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9465.919838][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9465.919838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9465.919838][ T7704] ipv6_find_idev+0x102/0x170 [ 9465.919838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9465.919838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.919838][ T7704] netlink_rcv_skb+0x130/0x360 [ 9465.919838][ T7704] netlink_unicast+0x449/0x710 [ 9465.919838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9465.919838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9465.919838][ T7704] ___sys_sendmsg+0xee/0x170 [ 9465.919838][ T7704] __sys_sendmsg+0xcd/0x170 [ 9465.919838][ T7704] do_syscall_64+0xc6/0x1e0 [ 9465.919838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.919838][ T7704] [ 9476.158939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9476.159419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9476.159419][ T7704] netdev_get_by_index+0x5e/0x80 [ 9476.159419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9476.159419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9476.159419][ T7704] ip6_route_add+0x1c/0x140 [ 9476.159419][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9476.159419][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9476.159419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.159419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.159419][ T7704] netlink_rcv_skb+0x130/0x360 [ 9476.159419][ T7704] netlink_unicast+0x449/0x710 [ 9476.159419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9476.159419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9476.159419][ T7704] ___sys_sendmsg+0xee/0x170 [ 9476.159419][ T7704] __sys_sendmsg+0xcd/0x170 [ 9476.159419][ T7704] do_syscall_64+0xc6/0x1e0 [ 9476.159419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.159419][ T7704] [ 9476.161686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9476.161686][ T7704] netdev_get_by_index+0x5e/0x80 [ 9476.161686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9476.161686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9476.161686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9476.161686][ T7704] ipv6_add_addr+0x411/0x2000 [ 9476.161686][ T7704] inet6_addr_add+0x30e/0xa40 [ 9476.161686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.161686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.161686][ T7704] netlink_rcv_skb+0x130/0x360 [ 9476.161686][ T7704] netlink_unicast+0x449/0x710 [ 9476.161686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9476.161686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9476.161686][ T7704] ___sys_sendmsg+0xee/0x170 [ 9476.161686][ T7704] __sys_sendmsg+0xcd/0x170 [ 9476.161686][ T7704] do_syscall_64+0xc6/0x1e0 [ 9476.161686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.161686][ T7704] [ 9476.163930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9476.163930][ T7704] netdev_get_by_index+0x5e/0x80 [ 9476.163930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9476.163930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9476.163930][ T7704] ip6_route_add+0x1c/0x140 [ 9476.163930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9476.163930][ T7704] addrconf_add_dev+0xe2/0x170 [ 9476.163930][ T7704] inet6_addr_add+0x12f/0xa40 [ 9476.163930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.163930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.163930][ T7704] netlink_rcv_skb+0x130/0x360 [ 9476.163930][ T7704] netlink_unicast+0x449/0x710 [ 9476.163930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9476.163930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9476.163930][ T7704] ___sys_sendmsg+0xee/0x170 [ 9476.163930][ T7704] __sys_sendmsg+0xcd/0x170 [ 9476.163930][ T7704] do_syscall_64+0xc6/0x1e0 [ 9476.163930][ T7704] [ 9476.166143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9476.166143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9476.166143][ T7704] ipv6_find_idev+0x102/0x170 [ 9476.166143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.166143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.166143][ T7704] netlink_rcv_skb+0x130/0x360 [ 9476.166143][ T7704] netlink_unicast+0x449/0x710 [ 9476.166143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9476.166143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9476.166143][ T7704] ___sys_sendmsg+0xee/0x170 [ 9476.166143][ T7704] __sys_sendmsg+0xcd/0x170 [ 9476.166143][ T7704] do_syscall_64+0xc6/0x1e0 [ 9476.166143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.166143][ T7704] [ 9476.167859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9476.167859][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9476.167859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9476.167859][ T7704] ipv6_find_idev+0x102/0x170 [ 9476.167859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.167859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.167859][ T7704] netlink_rcv_skb+0x130/0x360 [ 9476.167859][ T7704] netlink_unicast+0x449/0x710 [ 9476.167859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9476.167859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9476.167859][ T7704] ___sys_sendmsg+0xee/0x170 [ 9476.167859][ T7704] __sys_sendmsg+0xcd/0x170 [ 9476.167859][ T7704] do_syscall_64+0xc6/0x1e0 [ 9476.167859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.167859][ T7704] [ 9486.350953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9486.351442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9486.351442][ T7704] netdev_get_by_index+0x5e/0x80 [ 9486.351442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9486.351442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9486.351442][ T7704] ip6_route_add+0x1c/0x140 [ 9486.351442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9486.351442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9486.351442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.351442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.351442][ T7704] netlink_rcv_skb+0x130/0x360 [ 9486.351442][ T7704] netlink_unicast+0x449/0x710 [ 9486.351442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9486.351442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9486.351442][ T7704] ___sys_sendmsg+0xee/0x170 [ 9486.351442][ T7704] __sys_sendmsg+0xcd/0x170 [ 9486.351442][ T7704] do_syscall_64+0xc6/0x1e0 [ 9486.351442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.351442][ T7704] [ 9486.353739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9486.353739][ T7704] netdev_get_by_index+0x5e/0x80 [ 9486.353739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9486.353739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9486.353739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9486.353739][ T7704] ipv6_add_addr+0x411/0x2000 [ 9486.353739][ T7704] inet6_addr_add+0x30e/0xa40 [ 9486.353739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.353739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.353739][ T7704] netlink_rcv_skb+0x130/0x360 [ 9486.353739][ T7704] netlink_unicast+0x449/0x710 [ 9486.353739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9486.353739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9486.353739][ T7704] ___sys_sendmsg+0xee/0x170 [ 9486.353739][ T7704] __sys_sendmsg+0xcd/0x170 [ 9486.353739][ T7704] do_syscall_64+0xc6/0x1e0 [ 9486.353739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.353739][ T7704] [ 9486.356034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9486.356034][ T7704] netdev_get_by_index+0x5e/0x80 [ 9486.356034][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9486.356034][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9486.356034][ T7704] ip6_route_add+0x1c/0x140 [ 9486.356034][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9486.356034][ T7704] addrconf_add_dev+0xe2/0x170 [ 9486.356034][ T7704] inet6_addr_add+0x12f/0xa40 [ 9486.356034][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.356034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.356034][ T7704] netlink_rcv_skb+0x130/0x360 [ 9486.356034][ T7704] netlink_unicast+0x449/0x710 [ 9486.356034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9486.356034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9486.356034][ T7704] ___sys_sendmsg+0xee/0x170 [ 9486.356034][ T7704] __sys_sendmsg+0xcd/0x170 [ 9486.356034][ T7704] do_syscall_64+0xc6/0x1e0 [ 9486.356034][ T7704] [ 9486.358270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9486.358270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9486.358270][ T7704] ipv6_find_idev+0x102/0x170 [ 9486.358270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9486.358270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.358270][ T7704] netlink_rcv_skb+0x130/0x360 [ 9486.358270][ T7704] netlink_unicast+0x449/0x710 [ 9486.358270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9486.358270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9486.358270][ T7704] ___sys_sendmsg+0xee/0x170 [ 9486.358270][ T7704] __sys_sendmsg+0xcd/0x170 [ 9486.358270][ T7704] do_syscall_64+0xc6/0x1e0 [ 9486.358270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.358270][ T7704] [ 9486.360017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9486.360017][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9486.360017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9486.360017][ T7704] ipv6_find_idev+0x102/0x170 [ 9486.360017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9486.360017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.360017][ T7704] netlink_rcv_skb+0x130/0x360 [ 9486.360017][ T7704] netlink_unicast+0x449/0x710 [ 9486.360017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9486.360017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9486.360017][ T7704] ___sys_sendmsg+0xee/0x170 [ 9486.360017][ T7704] __sys_sendmsg+0xcd/0x170 [ 9486.360017][ T7704] do_syscall_64+0xc6/0x1e0 [ 9486.360017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.360017][ T7704] [ 9496.494954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9496.495513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9496.495513][ T7704] netdev_get_by_index+0x5e/0x80 [ 9496.495513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9496.495513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9496.495513][ T7704] ip6_route_add+0x1c/0x140 [ 9496.495513][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9496.495513][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9496.495513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.495513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.495513][ T7704] netlink_rcv_skb+0x130/0x360 [ 9496.495513][ T7704] netlink_unicast+0x449/0x710 [ 9496.495513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9496.495513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9496.495513][ T7704] ___sys_sendmsg+0xee/0x170 [ 9496.495513][ T7704] __sys_sendmsg+0xcd/0x170 [ 9496.495513][ T7704] do_syscall_64+0xc6/0x1e0 [ 9496.495513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.495513][ T7704] [ 9496.498076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9496.498076][ T7704] netdev_get_by_index+0x5e/0x80 [ 9496.498076][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9496.498076][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9496.498076][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9496.498076][ T7704] ipv6_add_addr+0x411/0x2000 [ 9496.498076][ T7704] inet6_addr_add+0x30e/0xa40 [ 9496.498076][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.498076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.498076][ T7704] netlink_rcv_skb+0x130/0x360 [ 9496.498076][ T7704] netlink_unicast+0x449/0x710 [ 9496.498076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9496.498076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9496.498076][ T7704] ___sys_sendmsg+0xee/0x170 [ 9496.498076][ T7704] __sys_sendmsg+0xcd/0x170 [ 9496.498076][ T7704] do_syscall_64+0xc6/0x1e0 [ 9496.498076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.498076][ T7704] [ 9496.500597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9496.500597][ T7704] netdev_get_by_index+0x5e/0x80 [ 9496.500597][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9496.500597][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9496.500597][ T7704] ip6_route_add+0x1c/0x140 [ 9496.500597][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9496.500597][ T7704] addrconf_add_dev+0xe2/0x170 [ 9496.500597][ T7704] inet6_addr_add+0x12f/0xa40 [ 9496.500597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.500597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.500597][ T7704] netlink_rcv_skb+0x130/0x360 [ 9496.500597][ T7704] netlink_unicast+0x449/0x710 [ 9496.500597][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9496.500597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9496.500597][ T7704] ___sys_sendmsg+0xee/0x170 [ 9496.500597][ T7704] __sys_sendmsg+0xcd/0x170 [ 9496.500597][ T7704] do_syscall_64+0xc6/0x1e0 [ 9496.500597][ T7704] [ 9496.503064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9496.503064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9496.503064][ T7704] ipv6_find_idev+0x102/0x170 [ 9496.503064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9496.503064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.503064][ T7704] netlink_rcv_skb+0x130/0x360 [ 9496.503064][ T7704] netlink_unicast+0x449/0x710 [ 9496.503064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9496.503064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9496.503064][ T7704] ___sys_sendmsg+0xee/0x170 [ 9496.503064][ T7704] __sys_sendmsg+0xcd/0x170 [ 9496.503064][ T7704] do_syscall_64+0xc6/0x1e0 [ 9496.503064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.503064][ T7704] [ 9496.504989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9496.504989][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9496.504989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9496.504989][ T7704] ipv6_find_idev+0x102/0x170 [ 9496.504989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9496.504989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.504989][ T7704] netlink_rcv_skb+0x130/0x360 [ 9496.504989][ T7704] netlink_unicast+0x449/0x710 [ 9496.504989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9496.504989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9496.504989][ T7704] ___sys_sendmsg+0xee/0x170 [ 9496.504989][ T7704] __sys_sendmsg+0xcd/0x170 [ 9496.504989][ T7704] do_syscall_64+0xc6/0x1e0 [ 9496.504989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.504989][ T7704] [ 9506.758879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9506.759472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9506.759472][ T7704] netdev_get_by_index+0x5e/0x80 [ 9506.759472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9506.759472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9506.759472][ T7704] ip6_route_add+0x1c/0x140 [ 9506.759472][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9506.759472][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9506.759472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.759472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.759472][ T7704] netlink_rcv_skb+0x130/0x360 [ 9506.759472][ T7704] netlink_unicast+0x449/0x710 [ 9506.759472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9506.759472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9506.759472][ T7704] ___sys_sendmsg+0xee/0x170 [ 9506.759472][ T7704] __sys_sendmsg+0xcd/0x170 [ 9506.759472][ T7704] do_syscall_64+0xc6/0x1e0 [ 9506.759472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.759472][ T7704] [ 9506.762021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9506.762021][ T7704] netdev_get_by_index+0x5e/0x80 [ 9506.762021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9506.762021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9506.762021][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9506.762021][ T7704] ipv6_add_addr+0x411/0x2000 [ 9506.762021][ T7704] inet6_addr_add+0x30e/0xa40 [ 9506.762021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.762021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.762021][ T7704] netlink_rcv_skb+0x130/0x360 [ 9506.762021][ T7704] netlink_unicast+0x449/0x710 [ 9506.762021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9506.762021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9506.762021][ T7704] ___sys_sendmsg+0xee/0x170 [ 9506.762021][ T7704] __sys_sendmsg+0xcd/0x170 [ 9506.762021][ T7704] do_syscall_64+0xc6/0x1e0 [ 9506.762021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.762021][ T7704] [ 9506.764574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9506.764574][ T7704] netdev_get_by_index+0x5e/0x80 [ 9506.764574][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9506.764574][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9506.764574][ T7704] ip6_route_add+0x1c/0x140 [ 9506.764574][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9506.764574][ T7704] addrconf_add_dev+0xe2/0x170 [ 9506.764574][ T7704] inet6_addr_add+0x12f/0xa40 [ 9506.764574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.764574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.764574][ T7704] netlink_rcv_skb+0x130/0x360 [ 9506.764574][ T7704] netlink_unicast+0x449/0x710 [ 9506.764574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9506.764574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9506.764574][ T7704] ___sys_sendmsg+0xee/0x170 [ 9506.764574][ T7704] __sys_sendmsg+0xcd/0x170 [ 9506.764574][ T7704] do_syscall_64+0xc6/0x1e0 [ 9506.764574][ T7704] [ 9506.767063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9506.767063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9506.767063][ T7704] ipv6_find_idev+0x102/0x170 [ 9506.767063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9506.767063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.767063][ T7704] netlink_rcv_skb+0x130/0x360 [ 9506.767063][ T7704] netlink_unicast+0x449/0x710 [ 9506.767063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9506.767063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9506.767063][ T7704] ___sys_sendmsg+0xee/0x170 [ 9506.767063][ T7704] __sys_sendmsg+0xcd/0x170 [ 9506.767063][ T7704] do_syscall_64+0xc6/0x1e0 [ 9506.767063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.767063][ T7704] [ 9506.768994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9506.768994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9506.768994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9506.768994][ T7704] ipv6_find_idev+0x102/0x170 [ 9506.768994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9506.768994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.768994][ T7704] netlink_rcv_skb+0x130/0x360 [ 9506.768994][ T7704] netlink_unicast+0x449/0x710 [ 9506.768994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9506.768994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9506.768994][ T7704] ___sys_sendmsg+0xee/0x170 [ 9506.768994][ T7704] __sys_sendmsg+0xcd/0x170 [ 9506.768994][ T7704] do_syscall_64+0xc6/0x1e0 [ 9506.768994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.768994][ T7704] [ 9517.022946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9517.023474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9517.023474][ T7704] netdev_get_by_index+0x5e/0x80 [ 9517.023474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9517.023474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9517.023474][ T7704] ip6_route_add+0x1c/0x140 [ 9517.023474][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9517.023474][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9517.023474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.023474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.023474][ T7704] netlink_rcv_skb+0x130/0x360 [ 9517.023474][ T7704] netlink_unicast+0x449/0x710 [ 9517.023474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9517.023474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9517.023474][ T7704] ___sys_sendmsg+0xee/0x170 [ 9517.023474][ T7704] __sys_sendmsg+0xcd/0x170 [ 9517.023474][ T7704] do_syscall_64+0xc6/0x1e0 [ 9517.023474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.023474][ T7704] [ 9517.025762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9517.025762][ T7704] netdev_get_by_index+0x5e/0x80 [ 9517.025762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9517.025762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9517.025762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9517.025762][ T7704] ipv6_add_addr+0x411/0x2000 [ 9517.025762][ T7704] inet6_addr_add+0x30e/0xa40 [ 9517.025762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.025762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.025762][ T7704] netlink_rcv_skb+0x130/0x360 [ 9517.025762][ T7704] netlink_unicast+0x449/0x710 [ 9517.025762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9517.025762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9517.025762][ T7704] ___sys_sendmsg+0xee/0x170 [ 9517.025762][ T7704] __sys_sendmsg+0xcd/0x170 [ 9517.025762][ T7704] do_syscall_64+0xc6/0x1e0 [ 9517.025762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.025762][ T7704] [ 9517.028001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9517.028001][ T7704] netdev_get_by_index+0x5e/0x80 [ 9517.028001][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9517.028001][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9517.028001][ T7704] ip6_route_add+0x1c/0x140 [ 9517.028001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9517.028001][ T7704] addrconf_add_dev+0xe2/0x170 [ 9517.028001][ T7704] inet6_addr_add+0x12f/0xa40 [ 9517.028001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.028001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.028001][ T7704] netlink_rcv_skb+0x130/0x360 [ 9517.028001][ T7704] netlink_unicast+0x449/0x710 [ 9517.028001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9517.028001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9517.028001][ T7704] ___sys_sendmsg+0xee/0x170 [ 9517.028001][ T7704] __sys_sendmsg+0xcd/0x170 [ 9517.028001][ T7704] do_syscall_64+0xc6/0x1e0 [ 9517.028001][ T7704] [ 9517.030215][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9517.030215][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9517.030215][ T7704] ipv6_find_idev+0x102/0x170 [ 9517.030215][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.030215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.030215][ T7704] netlink_rcv_skb+0x130/0x360 [ 9517.030215][ T7704] netlink_unicast+0x449/0x710 [ 9517.030215][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9517.030215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9517.030215][ T7704] ___sys_sendmsg+0xee/0x170 [ 9517.030215][ T7704] __sys_sendmsg+0xcd/0x170 [ 9517.030215][ T7704] do_syscall_64+0xc6/0x1e0 [ 9517.030215][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.030215][ T7704] [ 9517.031939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9517.031939][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9517.031939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9517.031939][ T7704] ipv6_find_idev+0x102/0x170 [ 9517.031939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.031939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.031939][ T7704] netlink_rcv_skb+0x130/0x360 [ 9517.031939][ T7704] netlink_unicast+0x449/0x710 [ 9517.031939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9517.031939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9517.031939][ T7704] ___sys_sendmsg+0xee/0x170 [ 9517.031939][ T7704] __sys_sendmsg+0xcd/0x170 [ 9517.031939][ T7704] do_syscall_64+0xc6/0x1e0 [ 9517.031939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.031939][ T7704] [ 9527.278946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9527.279370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9527.279370][ T7704] netdev_get_by_index+0x5e/0x80 [ 9527.279370][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9527.279370][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9527.279370][ T7704] ip6_route_add+0x1c/0x140 [ 9527.279370][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9527.279370][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9527.279370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.279370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.279370][ T7704] netlink_rcv_skb+0x130/0x360 [ 9527.279370][ T7704] netlink_unicast+0x449/0x710 [ 9527.279370][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9527.279370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9527.279370][ T7704] ___sys_sendmsg+0xee/0x170 [ 9527.279370][ T7704] __sys_sendmsg+0xcd/0x170 [ 9527.279370][ T7704] do_syscall_64+0xc6/0x1e0 [ 9527.279370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.279370][ T7704] [ 9527.281648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9527.281648][ T7704] netdev_get_by_index+0x5e/0x80 [ 9527.281648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9527.281648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9527.281648][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9527.281648][ T7704] ipv6_add_addr+0x411/0x2000 [ 9527.281648][ T7704] inet6_addr_add+0x30e/0xa40 [ 9527.281648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.281648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.281648][ T7704] netlink_rcv_skb+0x130/0x360 [ 9527.281648][ T7704] netlink_unicast+0x449/0x710 [ 9527.281648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9527.281648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9527.281648][ T7704] ___sys_sendmsg+0xee/0x170 [ 9527.281648][ T7704] __sys_sendmsg+0xcd/0x170 [ 9527.281648][ T7704] do_syscall_64+0xc6/0x1e0 [ 9527.281648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.281648][ T7704] [ 9527.283917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9527.283917][ T7704] netdev_get_by_index+0x5e/0x80 [ 9527.283917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9527.283917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9527.283917][ T7704] ip6_route_add+0x1c/0x140 [ 9527.283917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9527.283917][ T7704] addrconf_add_dev+0xe2/0x170 [ 9527.283917][ T7704] inet6_addr_add+0x12f/0xa40 [ 9527.283917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.283917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.283917][ T7704] netlink_rcv_skb+0x130/0x360 [ 9527.283917][ T7704] netlink_unicast+0x449/0x710 [ 9527.283917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9527.283917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9527.283917][ T7704] ___sys_sendmsg+0xee/0x170 [ 9527.283917][ T7704] __sys_sendmsg+0xcd/0x170 [ 9527.283917][ T7704] do_syscall_64+0xc6/0x1e0 [ 9527.283917][ T7704] [ 9527.286147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9527.286147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9527.286147][ T7704] ipv6_find_idev+0x102/0x170 [ 9527.286147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9527.286147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.286147][ T7704] netlink_rcv_skb+0x130/0x360 [ 9527.286147][ T7704] netlink_unicast+0x449/0x710 [ 9527.286147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9527.286147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9527.286147][ T7704] ___sys_sendmsg+0xee/0x170 [ 9527.286147][ T7704] __sys_sendmsg+0xcd/0x170 [ 9527.286147][ T7704] do_syscall_64+0xc6/0x1e0 [ 9527.286147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.286147][ T7704] [ 9527.287867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9527.287867][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9527.287867][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9527.287867][ T7704] ipv6_find_idev+0x102/0x170 [ 9527.287867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9527.287867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.287867][ T7704] netlink_rcv_skb+0x130/0x360 [ 9527.287867][ T7704] netlink_unicast+0x449/0x710 [ 9527.287867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9527.287867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9527.287867][ T7704] ___sys_sendmsg+0xee/0x170 [ 9527.287867][ T7704] __sys_sendmsg+0xcd/0x170 [ 9527.287867][ T7704] do_syscall_64+0xc6/0x1e0 [ 9527.287867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.287867][ T7704] [ 9537.534934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9537.535351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9537.535351][ T7704] netdev_get_by_index+0x5e/0x80 [ 9537.535351][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9537.535351][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9537.535351][ T7704] ip6_route_add+0x1c/0x140 [ 9537.535351][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9537.535351][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9537.535351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.535351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.535351][ T7704] netlink_rcv_skb+0x130/0x360 [ 9537.535351][ T7704] netlink_unicast+0x449/0x710 [ 9537.535351][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9537.535351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9537.535351][ T7704] ___sys_sendmsg+0xee/0x170 [ 9537.535351][ T7704] __sys_sendmsg+0xcd/0x170 [ 9537.535351][ T7704] do_syscall_64+0xc6/0x1e0 [ 9537.535351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.535351][ T7704] [ 9537.537618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9537.537618][ T7704] netdev_get_by_index+0x5e/0x80 [ 9537.537618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9537.537618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9537.537618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9537.537618][ T7704] ipv6_add_addr+0x411/0x2000 [ 9537.537618][ T7704] inet6_addr_add+0x30e/0xa40 [ 9537.537618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.537618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.537618][ T7704] netlink_rcv_skb+0x130/0x360 [ 9537.537618][ T7704] netlink_unicast+0x449/0x710 [ 9537.537618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9537.537618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9537.537618][ T7704] ___sys_sendmsg+0xee/0x170 [ 9537.537618][ T7704] __sys_sendmsg+0xcd/0x170 [ 9537.537618][ T7704] do_syscall_64+0xc6/0x1e0 [ 9537.537618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.537618][ T7704] [ 9537.539858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9537.539858][ T7704] netdev_get_by_index+0x5e/0x80 [ 9537.539858][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9537.539858][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9537.539858][ T7704] ip6_route_add+0x1c/0x140 [ 9537.539858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9537.539858][ T7704] addrconf_add_dev+0xe2/0x170 [ 9537.539858][ T7704] inet6_addr_add+0x12f/0xa40 [ 9537.539858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.539858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.539858][ T7704] netlink_rcv_skb+0x130/0x360 [ 9537.539858][ T7704] netlink_unicast+0x449/0x710 [ 9537.539858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9537.539858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9537.539858][ T7704] ___sys_sendmsg+0xee/0x170 [ 9537.539858][ T7704] __sys_sendmsg+0xcd/0x170 [ 9537.539858][ T7704] do_syscall_64+0xc6/0x1e0 [ 9537.539858][ T7704] [ 9537.542053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9537.542053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9537.542053][ T7704] ipv6_find_idev+0x102/0x170 [ 9537.542053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9537.542053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.542053][ T7704] netlink_rcv_skb+0x130/0x360 [ 9537.542053][ T7704] netlink_unicast+0x449/0x710 [ 9537.542053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9537.542053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9537.542053][ T7704] ___sys_sendmsg+0xee/0x170 [ 9537.542053][ T7704] __sys_sendmsg+0xcd/0x170 [ 9537.542053][ T7704] do_syscall_64+0xc6/0x1e0 [ 9537.542053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.542053][ T7704] [ 9537.543785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9537.543785][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9537.543785][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9537.543785][ T7704] ipv6_find_idev+0x102/0x170 [ 9537.543785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9537.543785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.543785][ T7704] netlink_rcv_skb+0x130/0x360 [ 9537.543785][ T7704] netlink_unicast+0x449/0x710 [ 9537.543785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9537.543785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9537.543785][ T7704] ___sys_sendmsg+0xee/0x170 [ 9537.543785][ T7704] __sys_sendmsg+0xcd/0x170 [ 9537.543785][ T7704] do_syscall_64+0xc6/0x1e0 [ 9537.543785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.543785][ T7704] [ 9547.790930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9547.791431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9547.791431][ T7704] netdev_get_by_index+0x5e/0x80 [ 9547.791431][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9547.791431][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9547.791431][ T7704] ip6_route_add+0x1c/0x140 [ 9547.791431][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9547.791431][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9547.791431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.791431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.791431][ T7704] netlink_rcv_skb+0x130/0x360 [ 9547.791431][ T7704] netlink_unicast+0x449/0x710 [ 9547.791431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9547.791431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9547.791431][ T7704] ___sys_sendmsg+0xee/0x170 [ 9547.791431][ T7704] __sys_sendmsg+0xcd/0x170 [ 9547.791431][ T7704] do_syscall_64+0xc6/0x1e0 [ 9547.791431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.791431][ T7704] [ 9547.793682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9547.793682][ T7704] netdev_get_by_index+0x5e/0x80 [ 9547.793682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9547.793682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9547.793682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9547.793682][ T7704] ipv6_add_addr+0x411/0x2000 [ 9547.793682][ T7704] inet6_addr_add+0x30e/0xa40 [ 9547.793682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.793682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.793682][ T7704] netlink_rcv_skb+0x130/0x360 [ 9547.793682][ T7704] netlink_unicast+0x449/0x710 [ 9547.793682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9547.793682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9547.793682][ T7704] ___sys_sendmsg+0xee/0x170 [ 9547.793682][ T7704] __sys_sendmsg+0xcd/0x170 [ 9547.793682][ T7704] do_syscall_64+0xc6/0x1e0 [ 9547.793682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.793682][ T7704] [ 9547.795938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9547.795938][ T7704] netdev_get_by_index+0x5e/0x80 [ 9547.795938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9547.795938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9547.795938][ T7704] ip6_route_add+0x1c/0x140 [ 9547.795938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9547.795938][ T7704] addrconf_add_dev+0xe2/0x170 [ 9547.795938][ T7704] inet6_addr_add+0x12f/0xa40 [ 9547.795938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.795938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.795938][ T7704] netlink_rcv_skb+0x130/0x360 [ 9547.795938][ T7704] netlink_unicast+0x449/0x710 [ 9547.795938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9547.795938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9547.795938][ T7704] ___sys_sendmsg+0xee/0x170 [ 9547.795938][ T7704] __sys_sendmsg+0xcd/0x170 [ 9547.795938][ T7704] do_syscall_64+0xc6/0x1e0 [ 9547.795938][ T7704] [ 9547.798139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9547.798139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9547.798139][ T7704] ipv6_find_idev+0x102/0x170 [ 9547.798139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9547.798139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.798139][ T7704] netlink_rcv_skb+0x130/0x360 [ 9547.798139][ T7704] netlink_unicast+0x449/0x710 [ 9547.798139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9547.798139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9547.798139][ T7704] ___sys_sendmsg+0xee/0x170 [ 9547.798139][ T7704] __sys_sendmsg+0xcd/0x170 [ 9547.798139][ T7704] do_syscall_64+0xc6/0x1e0 [ 9547.798139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.798139][ T7704] [ 9547.799858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9547.799858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9547.799858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9547.799858][ T7704] ipv6_find_idev+0x102/0x170 [ 9547.799858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9547.799858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.799858][ T7704] netlink_rcv_skb+0x130/0x360 [ 9547.799858][ T7704] netlink_unicast+0x449/0x710 [ 9547.799858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9547.799858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9547.799858][ T7704] ___sys_sendmsg+0xee/0x170 [ 9547.799858][ T7704] __sys_sendmsg+0xcd/0x170 [ 9547.799858][ T7704] do_syscall_64+0xc6/0x1e0 [ 9547.799858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.799858][ T7704] [ 9558.046950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9558.047361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9558.047361][ T7704] netdev_get_by_index+0x5e/0x80 [ 9558.047361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9558.047361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9558.047361][ T7704] ip6_route_add+0x1c/0x140 [ 9558.047361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9558.047361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9558.047361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9558.047361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.047361][ T7704] netlink_rcv_skb+0x130/0x360 [ 9558.047361][ T7704] netlink_unicast+0x449/0x710 [ 9558.047361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9558.047361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9558.047361][ T7704] ___sys_sendmsg+0xee/0x170 [ 9558.047361][ T7704] __sys_sendmsg+0xcd/0x170 [ 9558.047361][ T7704] do_syscall_64+0xc6/0x1e0 [ 9558.047361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9558.047361][ T7704] [ 9558.049629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9558.049629][ T7704] netdev_get_by_index+0x5e/0x80 [ 9558.049629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9558.049629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9558.049629][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9558.049629][ T7704] ipv6_add_addr+0x411/0x2000 [ 9558.049629][ T7704] inet6_addr_add+0x30e/0xa40 [ 9558.049629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9558.049629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.049629][ T7704] netlink_rcv_skb+0x130/0x360 [ 9558.049629][ T7704] netlink_unicast+0x449/0x710 [ 9558.049629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9558.049629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9558.049629][ T7704] ___sys_sendmsg+0xee/0x170 [ 9558.049629][ T7704] __sys_sendmsg+0xcd/0x170 [ 9558.049629][ T7704] do_syscall_64+0xc6/0x1e0 [ 9558.049629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9558.049629][ T7704] [ 9558.051873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9558.051873][ T7704] netdev_get_by_index+0x5e/0x80 [ 9558.051873][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9558.051873][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9558.051873][ T7704] ip6_route_add+0x1c/0x140 [ 9558.051873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9558.051873][ T7704] addrconf_add_dev+0xe2/0x170 [ 9558.051873][ T7704] inet6_addr_add+0x12f/0xa40 [ 9558.051873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9558.051873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.051873][ T7704] netlink_rcv_skb+0x130/0x360 [ 9558.051873][ T7704] netlink_unicast+0x449/0x710 [ 9558.051873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9558.051873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9558.051873][ T7704] ___sys_sendmsg+0xee/0x170 [ 9558.051873][ T7704] __sys_sendmsg+0xcd/0x170 [ 9558.051873][ T7704] do_syscall_64+0xc6/0x1e0 [ 9558.051873][ T7704] [ 9558.054074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9558.054074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9558.054074][ T7704] ipv6_find_idev+0x102/0x170 [ 9558.054074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9558.054074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.054074][ T7704] netlink_rcv_skb+0x130/0x360 [ 9558.054074][ T7704] netlink_unicast+0x449/0x710 [ 9558.054074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9558.054074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9558.054074][ T7704] ___sys_sendmsg+0xee/0x170 [ 9558.054074][ T7704] __sys_sendmsg+0xcd/0x170 [ 9558.054074][ T7704] do_syscall_64+0xc6/0x1e0 [ 9558.054074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9558.054074][ T7704] [ 9558.055813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9558.055813][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9558.055813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9558.055813][ T7704] ipv6_find_idev+0x102/0x170 [ 9558.055813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9558.055813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.055813][ T7704] netlink_rcv_skb+0x130/0x360 [ 9558.055813][ T7704] netlink_unicast+0x449/0x710 [ 9558.055813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9558.055813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9558.055813][ T7704] ___sys_sendmsg+0xee/0x170 [ 9558.055813][ T7704] __sys_sendmsg+0xcd/0x170 [ 9558.055813][ T7704] do_syscall_64+0xc6/0x1e0 [ 9558.055813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9558.055813][ T7704] [ 9568.118877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9568.119362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9568.119362][ T7704] netdev_get_by_index+0x5e/0x80 [ 9568.119362][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9568.119362][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9568.119362][ T7704] ip6_route_add+0x1c/0x140 [ 9568.119362][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9568.119362][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9568.119362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9568.119362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9568.119362][ T7704] netlink_rcv_skb+0x130/0x360 [ 9568.119362][ T7704] netlink_unicast+0x449/0x710 [ 9568.119362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9568.119362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9568.119362][ T7704] ___sys_sendmsg+0xee/0x170 [ 9568.119362][ T7704] __sys_sendmsg+0xcd/0x170 [ 9568.119362][ T7704] do_syscall_64+0xc6/0x1e0 [ 9568.119362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9568.119362][ T7704] [ 9568.121983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9568.121983][ T7704] netdev_get_by_index+0x5e/0x80 [ 9568.121983][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9568.121983][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9568.121983][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9568.121983][ T7704] ipv6_add_addr+0x411/0x2000 [ 9568.121983][ T7704] inet6_addr_add+0x30e/0xa40 [ 9568.121983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9568.121983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9568.121983][ T7704] netlink_rcv_skb+0x130/0x360 [ 9568.121983][ T7704] netlink_unicast+0x449/0x710 [ 9568.121983][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9568.121983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9568.121983][ T7704] ___sys_sendmsg+0xee/0x170 [ 9568.121983][ T7704] __sys_sendmsg+0xcd/0x170 [ 9568.121983][ T7704] do_syscall_64+0xc6/0x1e0 [ 9568.121983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9568.121983][ T7704] [ 9568.124251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9568.124251][ T7704] netdev_get_by_index+0x5e/0x80 [ 9568.124251][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9568.124251][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9568.124251][ T7704] ip6_route_add+0x1c/0x140 [ 9568.124251][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9568.124251][ T7704] addrconf_add_dev+0xe2/0x170 [ 9568.124251][ T7704] inet6_addr_add+0x12f/0xa40 [ 9568.124251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9568.124251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9568.124251][ T7704] netlink_rcv_skb+0x130/0x360 [ 9568.124251][ T7704] netlink_unicast+0x449/0x710 [ 9568.124251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9568.124251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9568.124251][ T7704] ___sys_sendmsg+0xee/0x170 [ 9568.124251][ T7704] __sys_sendmsg+0xcd/0x170 [ 9568.124251][ T7704] do_syscall_64+0xc6/0x1e0 [ 9568.124251][ T7704] [ 9568.126481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9568.126481][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9568.126481][ T7704] ipv6_find_idev+0x102/0x170 [ 9568.126481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9568.126481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9568.126481][ T7704] netlink_rcv_skb+0x130/0x360 [ 9568.126481][ T7704] netlink_unicast+0x449/0x710 [ 9568.126481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9568.126481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9568.126481][ T7704] ___sys_sendmsg+0xee/0x170 [ 9568.126481][ T7704] __sys_sendmsg+0xcd/0x170 [ 9568.126481][ T7704] do_syscall_64+0xc6/0x1e0 [ 9568.126481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9568.126481][ T7704] [ 9568.128211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9568.128211][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9568.128211][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9568.128211][ T7704] ipv6_find_idev+0x102/0x170 [ 9568.128211][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9568.128211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9568.128211][ T7704] netlink_rcv_skb+0x130/0x360 [ 9568.128211][ T7704] netlink_unicast+0x449/0x710 [ 9568.128211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9568.128211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9568.128211][ T7704] ___sys_sendmsg+0xee/0x170 [ 9568.128211][ T7704] __sys_sendmsg+0xcd/0x170 [ 9568.128211][ T7704] do_syscall_64+0xc6/0x1e0 [ 9568.128211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9568.128211][ T7704] [ 9578.366952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9578.367489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9578.367489][ T7704] netdev_get_by_index+0x5e/0x80 [ 9578.367489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9578.367489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9578.367489][ T7704] ip6_route_add+0x1c/0x140 [ 9578.367489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9578.367489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9578.367489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.367489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.367489][ T7704] netlink_rcv_skb+0x130/0x360 [ 9578.367489][ T7704] netlink_unicast+0x449/0x710 [ 9578.367489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9578.367489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9578.367489][ T7704] ___sys_sendmsg+0xee/0x170 [ 9578.367489][ T7704] __sys_sendmsg+0xcd/0x170 [ 9578.367489][ T7704] do_syscall_64+0xc6/0x1e0 [ 9578.367489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.367489][ T7704] [ 9578.369769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9578.369769][ T7704] netdev_get_by_index+0x5e/0x80 [ 9578.369769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9578.369769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9578.369769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9578.369769][ T7704] ipv6_add_addr+0x411/0x2000 [ 9578.369769][ T7704] inet6_addr_add+0x30e/0xa40 [ 9578.369769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.369769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.369769][ T7704] netlink_rcv_skb+0x130/0x360 [ 9578.369769][ T7704] netlink_unicast+0x449/0x710 [ 9578.369769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9578.369769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9578.369769][ T7704] ___sys_sendmsg+0xee/0x170 [ 9578.369769][ T7704] __sys_sendmsg+0xcd/0x170 [ 9578.369769][ T7704] do_syscall_64+0xc6/0x1e0 [ 9578.369769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.369769][ T7704] [ 9578.372047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9578.372047][ T7704] netdev_get_by_index+0x5e/0x80 [ 9578.372047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9578.372047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9578.372047][ T7704] ip6_route_add+0x1c/0x140 [ 9578.372047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9578.372047][ T7704] addrconf_add_dev+0xe2/0x170 [ 9578.372047][ T7704] inet6_addr_add+0x12f/0xa40 [ 9578.372047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.372047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.372047][ T7704] netlink_rcv_skb+0x130/0x360 [ 9578.372047][ T7704] netlink_unicast+0x449/0x710 [ 9578.372047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9578.372047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9578.372047][ T7704] ___sys_sendmsg+0xee/0x170 [ 9578.372047][ T7704] __sys_sendmsg+0xcd/0x170 [ 9578.372047][ T7704] do_syscall_64+0xc6/0x1e0 [ 9578.372047][ T7704] [ 9578.374266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9578.374266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9578.374266][ T7704] ipv6_find_idev+0x102/0x170 [ 9578.374266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9578.374266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.374266][ T7704] netlink_rcv_skb+0x130/0x360 [ 9578.374266][ T7704] netlink_unicast+0x449/0x710 [ 9578.374266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9578.374266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9578.374266][ T7704] ___sys_sendmsg+0xee/0x170 [ 9578.374266][ T7704] __sys_sendmsg+0xcd/0x170 [ 9578.374266][ T7704] do_syscall_64+0xc6/0x1e0 [ 9578.374266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.374266][ T7704] [ 9578.376013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9578.376013][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9578.376013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9578.376013][ T7704] ipv6_find_idev+0x102/0x170 [ 9578.376013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9578.376013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.376013][ T7704] netlink_rcv_skb+0x130/0x360 [ 9578.376013][ T7704] netlink_unicast+0x449/0x710 [ 9578.376013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9578.376013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9578.376013][ T7704] ___sys_sendmsg+0xee/0x170 [ 9578.376013][ T7704] __sys_sendmsg+0xcd/0x170 [ 9578.376013][ T7704] do_syscall_64+0xc6/0x1e0 [ 9578.376013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.376013][ T7704] [ 9588.614966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9588.615486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9588.615486][ T7704] netdev_get_by_index+0x5e/0x80 [ 9588.615486][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9588.615486][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9588.615486][ T7704] ip6_route_add+0x1c/0x140 [ 9588.615486][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9588.615486][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9588.615486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.615486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.615486][ T7704] netlink_rcv_skb+0x130/0x360 [ 9588.615486][ T7704] netlink_unicast+0x449/0x710 [ 9588.615486][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9588.615486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9588.615486][ T7704] ___sys_sendmsg+0xee/0x170 [ 9588.615486][ T7704] __sys_sendmsg+0xcd/0x170 [ 9588.615486][ T7704] do_syscall_64+0xc6/0x1e0 [ 9588.615486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.615486][ T7704] [ 9588.617794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9588.617794][ T7704] netdev_get_by_index+0x5e/0x80 [ 9588.617794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9588.617794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9588.617794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9588.617794][ T7704] ipv6_add_addr+0x411/0x2000 [ 9588.617794][ T7704] inet6_addr_add+0x30e/0xa40 [ 9588.617794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.617794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.617794][ T7704] netlink_rcv_skb+0x130/0x360 [ 9588.617794][ T7704] netlink_unicast+0x449/0x710 [ 9588.617794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9588.617794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9588.617794][ T7704] ___sys_sendmsg+0xee/0x170 [ 9588.617794][ T7704] __sys_sendmsg+0xcd/0x170 [ 9588.617794][ T7704] do_syscall_64+0xc6/0x1e0 [ 9588.617794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.617794][ T7704] [ 9588.620051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9588.620051][ T7704] netdev_get_by_index+0x5e/0x80 [ 9588.620051][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9588.620051][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9588.620051][ T7704] ip6_route_add+0x1c/0x140 [ 9588.620051][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9588.620051][ T7704] addrconf_add_dev+0xe2/0x170 [ 9588.620051][ T7704] inet6_addr_add+0x12f/0xa40 [ 9588.620051][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.620051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.620051][ T7704] netlink_rcv_skb+0x130/0x360 [ 9588.620051][ T7704] netlink_unicast+0x449/0x710 [ 9588.620051][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9588.620051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9588.620051][ T7704] ___sys_sendmsg+0xee/0x170 [ 9588.620051][ T7704] __sys_sendmsg+0xcd/0x170 [ 9588.620051][ T7704] do_syscall_64+0xc6/0x1e0 [ 9588.620051][ T7704] [ 9588.622270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9588.622270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9588.622270][ T7704] ipv6_find_idev+0x102/0x170 [ 9588.622270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9588.622270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.622270][ T7704] netlink_rcv_skb+0x130/0x360 [ 9588.622270][ T7704] netlink_unicast+0x449/0x710 [ 9588.622270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9588.622270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9588.622270][ T7704] ___sys_sendmsg+0xee/0x170 [ 9588.622270][ T7704] __sys_sendmsg+0xcd/0x170 [ 9588.622270][ T7704] do_syscall_64+0xc6/0x1e0 [ 9588.622270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.622270][ T7704] [ 9588.624002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9588.624002][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9588.624002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9588.624002][ T7704] ipv6_find_idev+0x102/0x170 [ 9588.624002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9588.624002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.624002][ T7704] netlink_rcv_skb+0x130/0x360 [ 9588.624002][ T7704] netlink_unicast+0x449/0x710 [ 9588.624002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9588.624002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9588.624002][ T7704] ___sys_sendmsg+0xee/0x170 [ 9588.624002][ T7704] __sys_sendmsg+0xcd/0x170 [ 9588.624002][ T7704] do_syscall_64+0xc6/0x1e0 [ 9588.624002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.624002][ T7704] [ 9598.638865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9598.639392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9598.639392][ T7704] netdev_get_by_index+0x5e/0x80 [ 9598.639392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9598.639392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9598.639392][ T7704] ip6_route_add+0x1c/0x140 [ 9598.639392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9598.639392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9598.639392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.639392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.639392][ T7704] netlink_rcv_skb+0x130/0x360 [ 9598.639392][ T7704] netlink_unicast+0x449/0x710 [ 9598.639392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9598.639392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9598.639392][ T7704] ___sys_sendmsg+0xee/0x170 [ 9598.639392][ T7704] __sys_sendmsg+0xcd/0x170 [ 9598.639392][ T7704] do_syscall_64+0xc6/0x1e0 [ 9598.639392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.639392][ T7704] [ 9598.641686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9598.641686][ T7704] netdev_get_by_index+0x5e/0x80 [ 9598.641686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9598.641686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9598.641686][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9598.641686][ T7704] ipv6_add_addr+0x411/0x2000 [ 9598.641686][ T7704] inet6_addr_add+0x30e/0xa40 [ 9598.641686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.641686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.641686][ T7704] netlink_rcv_skb+0x130/0x360 [ 9598.641686][ T7704] netlink_unicast+0x449/0x710 [ 9598.641686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9598.641686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9598.641686][ T7704] ___sys_sendmsg+0xee/0x170 [ 9598.641686][ T7704] __sys_sendmsg+0xcd/0x170 [ 9598.641686][ T7704] do_syscall_64+0xc6/0x1e0 [ 9598.641686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.641686][ T7704] [ 9598.644519][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9598.644519][ T7704] netdev_get_by_index+0x5e/0x80 [ 9598.644519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9598.644519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9598.644519][ T7704] ip6_route_add+0x1c/0x140 [ 9598.644519][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9598.644519][ T7704] addrconf_add_dev+0xe2/0x170 [ 9598.644519][ T7704] inet6_addr_add+0x12f/0xa40 [ 9598.644519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.644519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.644519][ T7704] netlink_rcv_skb+0x130/0x360 [ 9598.644519][ T7704] netlink_unicast+0x449/0x710 [ 9598.644519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9598.644519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9598.644519][ T7704] ___sys_sendmsg+0xee/0x170 [ 9598.644519][ T7704] __sys_sendmsg+0xcd/0x170 [ 9598.644519][ T7704] do_syscall_64+0xc6/0x1e0 [ 9598.644519][ T7704] [ 9598.646778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9598.646778][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9598.646778][ T7704] ipv6_find_idev+0x102/0x170 [ 9598.646778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9598.646778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.646778][ T7704] netlink_rcv_skb+0x130/0x360 [ 9598.646778][ T7704] netlink_unicast+0x449/0x710 [ 9598.646778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9598.646778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9598.646778][ T7704] ___sys_sendmsg+0xee/0x170 [ 9598.646778][ T7704] __sys_sendmsg+0xcd/0x170 [ 9598.646778][ T7704] do_syscall_64+0xc6/0x1e0 [ 9598.646778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.646778][ T7704] [ 9598.648524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9598.648524][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9598.648524][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9598.648524][ T7704] ipv6_find_idev+0x102/0x170 [ 9598.648524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9598.648524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.648524][ T7704] netlink_rcv_skb+0x130/0x360 [ 9598.648524][ T7704] netlink_unicast+0x449/0x710 [ 9598.648524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9598.648524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9598.648524][ T7704] ___sys_sendmsg+0xee/0x170 [ 9598.648524][ T7704] __sys_sendmsg+0xcd/0x170 [ 9598.648524][ T7704] do_syscall_64+0xc6/0x1e0 [ 9598.648524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.648524][ T7704] [ 9608.654944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9608.655441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9608.655441][ T7704] netdev_get_by_index+0x5e/0x80 [ 9608.655441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9608.655441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9608.655441][ T7704] ip6_route_add+0x1c/0x140 [ 9608.655441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9608.655441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9608.655441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.655441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.655441][ T7704] netlink_rcv_skb+0x130/0x360 [ 9608.655441][ T7704] netlink_unicast+0x449/0x710 [ 9608.655441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9608.655441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9608.655441][ T7704] ___sys_sendmsg+0xee/0x170 [ 9608.655441][ T7704] __sys_sendmsg+0xcd/0x170 [ 9608.655441][ T7704] do_syscall_64+0xc6/0x1e0 [ 9608.655441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.655441][ T7704] [ 9608.658161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9608.658161][ T7704] netdev_get_by_index+0x5e/0x80 [ 9608.658161][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9608.658161][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9608.658161][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9608.658161][ T7704] ipv6_add_addr+0x411/0x2000 [ 9608.658161][ T7704] inet6_addr_add+0x30e/0xa40 [ 9608.658161][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.658161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.658161][ T7704] netlink_rcv_skb+0x130/0x360 [ 9608.658161][ T7704] netlink_unicast+0x449/0x710 [ 9608.658161][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9608.658161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9608.658161][ T7704] ___sys_sendmsg+0xee/0x170 [ 9608.658161][ T7704] __sys_sendmsg+0xcd/0x170 [ 9608.658161][ T7704] do_syscall_64+0xc6/0x1e0 [ 9608.658161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.658161][ T7704] [ 9608.660849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9608.660849][ T7704] netdev_get_by_index+0x5e/0x80 [ 9608.660849][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9608.660849][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9608.660849][ T7704] ip6_route_add+0x1c/0x140 [ 9608.660849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9608.660849][ T7704] addrconf_add_dev+0xe2/0x170 [ 9608.660849][ T7704] inet6_addr_add+0x12f/0xa40 [ 9608.660849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.660849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.660849][ T7704] netlink_rcv_skb+0x130/0x360 [ 9608.660849][ T7704] netlink_unicast+0x449/0x710 [ 9608.660849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9608.660849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9608.660849][ T7704] ___sys_sendmsg+0xee/0x170 [ 9608.660849][ T7704] __sys_sendmsg+0xcd/0x170 [ 9608.660849][ T7704] do_syscall_64+0xc6/0x1e0 [ 9608.660849][ T7704] [ 9608.699270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9608.699270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9608.699270][ T7704] ipv6_find_idev+0x102/0x170 [ 9608.699270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9608.699270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.699270][ T7704] netlink_rcv_skb+0x130/0x360 [ 9608.699270][ T7704] netlink_unicast+0x449/0x710 [ 9608.699270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9608.699270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9608.699270][ T7704] ___sys_sendmsg+0xee/0x170 [ 9608.699270][ T7704] __sys_sendmsg+0xcd/0x170 [ 9608.699270][ T7704] do_syscall_64+0xc6/0x1e0 [ 9608.699270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.699270][ T7704] [ 9608.701191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9608.701191][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9608.701191][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9608.701191][ T7704] ipv6_find_idev+0x102/0x170 [ 9608.701191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9608.701191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.701191][ T7704] netlink_rcv_skb+0x130/0x360 [ 9608.701191][ T7704] netlink_unicast+0x449/0x710 [ 9608.701191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9608.701191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9608.701191][ T7704] ___sys_sendmsg+0xee/0x170 [ 9608.701191][ T7704] __sys_sendmsg+0xcd/0x170 [ 9608.701191][ T7704] do_syscall_64+0xc6/0x1e0 [ 9608.701191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.701191][ T7704] [ 9618.942956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9618.943430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9618.943430][ T7704] netdev_get_by_index+0x5e/0x80 [ 9618.943430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9618.943430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9618.943430][ T7704] ip6_route_add+0x1c/0x140 [ 9618.943430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9618.943430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9618.943430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.943430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.943430][ T7704] netlink_rcv_skb+0x130/0x360 [ 9618.943430][ T7704] netlink_unicast+0x449/0x710 [ 9618.943430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9618.943430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9618.943430][ T7704] ___sys_sendmsg+0xee/0x170 [ 9618.943430][ T7704] __sys_sendmsg+0xcd/0x170 [ 9618.943430][ T7704] do_syscall_64+0xc6/0x1e0 [ 9618.943430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.943430][ T7704] [ 9618.945728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9618.945728][ T7704] netdev_get_by_index+0x5e/0x80 [ 9618.945728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9618.945728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9618.945728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9618.945728][ T7704] ipv6_add_addr+0x411/0x2000 [ 9618.945728][ T7704] inet6_addr_add+0x30e/0xa40 [ 9618.945728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.945728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.945728][ T7704] netlink_rcv_skb+0x130/0x360 [ 9618.945728][ T7704] netlink_unicast+0x449/0x710 [ 9618.945728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9618.945728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9618.945728][ T7704] ___sys_sendmsg+0xee/0x170 [ 9618.945728][ T7704] __sys_sendmsg+0xcd/0x170 [ 9618.945728][ T7704] do_syscall_64+0xc6/0x1e0 [ 9618.945728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.945728][ T7704] [ 9618.948049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9618.948049][ T7704] netdev_get_by_index+0x5e/0x80 [ 9618.948049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9618.948049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9618.948049][ T7704] ip6_route_add+0x1c/0x140 [ 9618.948049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9618.948049][ T7704] addrconf_add_dev+0xe2/0x170 [ 9618.948049][ T7704] inet6_addr_add+0x12f/0xa40 [ 9618.948049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.948049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.948049][ T7704] netlink_rcv_skb+0x130/0x360 [ 9618.948049][ T7704] netlink_unicast+0x449/0x710 [ 9618.948049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9618.948049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9618.948049][ T7704] ___sys_sendmsg+0xee/0x170 [ 9618.948049][ T7704] __sys_sendmsg+0xcd/0x170 [ 9618.948049][ T7704] do_syscall_64+0xc6/0x1e0 [ 9618.948049][ T7704] [ 9618.950286][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9618.950286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9618.950286][ T7704] ipv6_find_idev+0x102/0x170 [ 9618.950286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.950286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.950286][ T7704] netlink_rcv_skb+0x130/0x360 [ 9618.950286][ T7704] netlink_unicast+0x449/0x710 [ 9618.950286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9618.950286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9618.950286][ T7704] ___sys_sendmsg+0xee/0x170 [ 9618.950286][ T7704] __sys_sendmsg+0xcd/0x170 [ 9618.950286][ T7704] do_syscall_64+0xc6/0x1e0 [ 9618.950286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.950286][ T7704] [ 9618.952027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9618.952027][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9618.952027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9618.952027][ T7704] ipv6_find_idev+0x102/0x170 [ 9618.952027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.952027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.952027][ T7704] netlink_rcv_skb+0x130/0x360 [ 9618.952027][ T7704] netlink_unicast+0x449/0x710 [ 9618.952027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9618.952027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9618.952027][ T7704] ___sys_sendmsg+0xee/0x170 [ 9618.952027][ T7704] __sys_sendmsg+0xcd/0x170 [ 9618.952027][ T7704] do_syscall_64+0xc6/0x1e0 [ 9618.952027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.952027][ T7704] [ 9629.190871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9629.191401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9629.191401][ T7704] netdev_get_by_index+0x5e/0x80 [ 9629.191401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9629.191401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9629.191401][ T7704] ip6_route_add+0x1c/0x140 [ 9629.191401][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9629.191401][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9629.191401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.191401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.191401][ T7704] netlink_rcv_skb+0x130/0x360 [ 9629.191401][ T7704] netlink_unicast+0x449/0x710 [ 9629.191401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9629.191401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9629.191401][ T7704] ___sys_sendmsg+0xee/0x170 [ 9629.191401][ T7704] __sys_sendmsg+0xcd/0x170 [ 9629.191401][ T7704] do_syscall_64+0xc6/0x1e0 [ 9629.191401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.191401][ T7704] [ 9629.193691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9629.193691][ T7704] netdev_get_by_index+0x5e/0x80 [ 9629.193691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9629.193691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9629.193691][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9629.193691][ T7704] ipv6_add_addr+0x411/0x2000 [ 9629.193691][ T7704] inet6_addr_add+0x30e/0xa40 [ 9629.193691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.193691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.193691][ T7704] netlink_rcv_skb+0x130/0x360 [ 9629.193691][ T7704] netlink_unicast+0x449/0x710 [ 9629.193691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9629.193691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9629.193691][ T7704] ___sys_sendmsg+0xee/0x170 [ 9629.193691][ T7704] __sys_sendmsg+0xcd/0x170 [ 9629.193691][ T7704] do_syscall_64+0xc6/0x1e0 [ 9629.193691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.193691][ T7704] [ 9629.195978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9629.195978][ T7704] netdev_get_by_index+0x5e/0x80 [ 9629.195978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9629.195978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9629.195978][ T7704] ip6_route_add+0x1c/0x140 [ 9629.195978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9629.195978][ T7704] addrconf_add_dev+0xe2/0x170 [ 9629.195978][ T7704] inet6_addr_add+0x12f/0xa40 [ 9629.195978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.195978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.195978][ T7704] netlink_rcv_skb+0x130/0x360 [ 9629.195978][ T7704] netlink_unicast+0x449/0x710 [ 9629.195978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9629.195978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9629.195978][ T7704] ___sys_sendmsg+0xee/0x170 [ 9629.195978][ T7704] __sys_sendmsg+0xcd/0x170 [ 9629.195978][ T7704] do_syscall_64+0xc6/0x1e0 [ 9629.195978][ T7704] [ 9629.198226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9629.198226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9629.198226][ T7704] ipv6_find_idev+0x102/0x170 [ 9629.198226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9629.198226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.198226][ T7704] netlink_rcv_skb+0x130/0x360 [ 9629.198226][ T7704] netlink_unicast+0x449/0x710 [ 9629.198226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9629.198226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9629.198226][ T7704] ___sys_sendmsg+0xee/0x170 [ 9629.198226][ T7704] __sys_sendmsg+0xcd/0x170 [ 9629.198226][ T7704] do_syscall_64+0xc6/0x1e0 [ 9629.198226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.198226][ T7704] [ 9629.199968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9629.199968][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9629.199968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9629.199968][ T7704] ipv6_find_idev+0x102/0x170 [ 9629.199968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9629.199968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.199968][ T7704] netlink_rcv_skb+0x130/0x360 [ 9629.199968][ T7704] netlink_unicast+0x449/0x710 [ 9629.199968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9629.199968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9629.199968][ T7704] ___sys_sendmsg+0xee/0x170 [ 9629.199968][ T7704] __sys_sendmsg+0xcd/0x170 [ 9629.199968][ T7704] do_syscall_64+0xc6/0x1e0 [ 9629.199968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.199968][ T7704] [ 9639.438944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9639.439437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9639.439437][ T7704] netdev_get_by_index+0x5e/0x80 [ 9639.439437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9639.439437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9639.439437][ T7704] ip6_route_add+0x1c/0x140 [ 9639.439437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9639.439437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9639.439437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.439437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.439437][ T7704] netlink_rcv_skb+0x130/0x360 [ 9639.439437][ T7704] netlink_unicast+0x449/0x710 [ 9639.439437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9639.439437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9639.439437][ T7704] ___sys_sendmsg+0xee/0x170 [ 9639.439437][ T7704] __sys_sendmsg+0xcd/0x170 [ 9639.439437][ T7704] do_syscall_64+0xc6/0x1e0 [ 9639.439437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.439437][ T7704] [ 9639.442236][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9639.442236][ T7704] netdev_get_by_index+0x5e/0x80 [ 9639.442236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9639.442236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9639.442236][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9639.442236][ T7704] ipv6_add_addr+0x411/0x2000 [ 9639.442236][ T7704] inet6_addr_add+0x30e/0xa40 [ 9639.442236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.442236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.442236][ T7704] netlink_rcv_skb+0x130/0x360 [ 9639.442236][ T7704] netlink_unicast+0x449/0x710 [ 9639.442236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9639.442236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9639.442236][ T7704] ___sys_sendmsg+0xee/0x170 [ 9639.442236][ T7704] __sys_sendmsg+0xcd/0x170 [ 9639.442236][ T7704] do_syscall_64+0xc6/0x1e0 [ 9639.442236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.442236][ T7704] [ 9639.444459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9639.444459][ T7704] netdev_get_by_index+0x5e/0x80 [ 9639.444459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9639.444459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9639.444459][ T7704] ip6_route_add+0x1c/0x140 [ 9639.444459][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9639.444459][ T7704] addrconf_add_dev+0xe2/0x170 [ 9639.444459][ T7704] inet6_addr_add+0x12f/0xa40 [ 9639.444459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.444459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.444459][ T7704] netlink_rcv_skb+0x130/0x360 [ 9639.444459][ T7704] netlink_unicast+0x449/0x710 [ 9639.444459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9639.444459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9639.444459][ T7704] ___sys_sendmsg+0xee/0x170 [ 9639.444459][ T7704] __sys_sendmsg+0xcd/0x170 [ 9639.444459][ T7704] do_syscall_64+0xc6/0x1e0 [ 9639.444459][ T7704] [ 9639.446668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9639.446668][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9639.446668][ T7704] ipv6_find_idev+0x102/0x170 [ 9639.446668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9639.446668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.446668][ T7704] netlink_rcv_skb+0x130/0x360 [ 9639.446668][ T7704] netlink_unicast+0x449/0x710 [ 9639.446668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9639.446668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9639.446668][ T7704] ___sys_sendmsg+0xee/0x170 [ 9639.446668][ T7704] __sys_sendmsg+0xcd/0x170 [ 9639.446668][ T7704] do_syscall_64+0xc6/0x1e0 [ 9639.446668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.446668][ T7704] [ 9639.448380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9639.448380][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9639.448380][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9639.448380][ T7704] ipv6_find_idev+0x102/0x170 [ 9639.448380][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9639.448380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.448380][ T7704] netlink_rcv_skb+0x130/0x360 [ 9639.448380][ T7704] netlink_unicast+0x449/0x710 [ 9639.448380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9639.448380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9639.448380][ T7704] ___sys_sendmsg+0xee/0x170 [ 9639.448380][ T7704] __sys_sendmsg+0xcd/0x170 [ 9639.448380][ T7704] do_syscall_64+0xc6/0x1e0 [ 9639.448380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.448380][ T7704] [ 9649.462963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9649.463491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9649.463491][ T7704] netdev_get_by_index+0x5e/0x80 [ 9649.463491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9649.463491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9649.463491][ T7704] ip6_route_add+0x1c/0x140 [ 9649.463491][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9649.463491][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9649.463491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.463491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.463491][ T7704] netlink_rcv_skb+0x130/0x360 [ 9649.463491][ T7704] netlink_unicast+0x449/0x710 [ 9649.463491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9649.463491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9649.463491][ T7704] ___sys_sendmsg+0xee/0x170 [ 9649.463491][ T7704] __sys_sendmsg+0xcd/0x170 [ 9649.463491][ T7704] do_syscall_64+0xc6/0x1e0 [ 9649.463491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.463491][ T7704] [ 9649.468761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9649.468761][ T7704] netdev_get_by_index+0x5e/0x80 [ 9649.468761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9649.468761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9649.468761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9649.468761][ T7704] ipv6_add_addr+0x411/0x2000 [ 9649.468761][ T7704] inet6_addr_add+0x30e/0xa40 [ 9649.468761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.468761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.468761][ T7704] netlink_rcv_skb+0x130/0x360 [ 9649.468761][ T7704] netlink_unicast+0x449/0x710 [ 9649.468761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9649.468761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9649.468761][ T7704] ___sys_sendmsg+0xee/0x170 [ 9649.468761][ T7704] __sys_sendmsg+0xcd/0x170 [ 9649.468761][ T7704] do_syscall_64+0xc6/0x1e0 [ 9649.468761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.468761][ T7704] [ 9649.471225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9649.471225][ T7704] netdev_get_by_index+0x5e/0x80 [ 9649.471225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9649.471225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9649.471225][ T7704] ip6_route_add+0x1c/0x140 [ 9649.471225][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9649.471225][ T7704] addrconf_add_dev+0xe2/0x170 [ 9649.471225][ T7704] inet6_addr_add+0x12f/0xa40 [ 9649.471225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.471225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.471225][ T7704] netlink_rcv_skb+0x130/0x360 [ 9649.471225][ T7704] netlink_unicast+0x449/0x710 [ 9649.471225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9649.471225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9649.471225][ T7704] ___sys_sendmsg+0xee/0x170 [ 9649.471225][ T7704] __sys_sendmsg+0xcd/0x170 [ 9649.471225][ T7704] do_syscall_64+0xc6/0x1e0 [ 9649.471225][ T7704] [ 9649.473618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9649.473618][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9649.473618][ T7704] ipv6_find_idev+0x102/0x170 [ 9649.473618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9649.473618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.473618][ T7704] netlink_rcv_skb+0x130/0x360 [ 9649.473618][ T7704] netlink_unicast+0x449/0x710 [ 9649.473618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9649.473618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9649.473618][ T7704] ___sys_sendmsg+0xee/0x170 [ 9649.473618][ T7704] __sys_sendmsg+0xcd/0x170 [ 9649.473618][ T7704] do_syscall_64+0xc6/0x1e0 [ 9649.473618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.473618][ T7704] [ 9649.475515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9649.475515][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9649.475515][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9649.475515][ T7704] ipv6_find_idev+0x102/0x170 [ 9649.475515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9649.475515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.475515][ T7704] netlink_rcv_skb+0x130/0x360 [ 9649.475515][ T7704] netlink_unicast+0x449/0x710 [ 9649.475515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9649.475515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9649.475515][ T7704] ___sys_sendmsg+0xee/0x170 [ 9649.475515][ T7704] __sys_sendmsg+0xcd/0x170 [ 9649.475515][ T7704] do_syscall_64+0xc6/0x1e0 [ 9649.475515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.475515][ T7704] [ 9659.574931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9659.575443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9659.575443][ T7704] netdev_get_by_index+0x5e/0x80 [ 9659.575443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9659.575443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9659.575443][ T7704] ip6_route_add+0x1c/0x140 [ 9659.575443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9659.575443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9659.575443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.575443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.575443][ T7704] netlink_rcv_skb+0x130/0x360 [ 9659.575443][ T7704] netlink_unicast+0x449/0x710 [ 9659.575443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9659.575443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9659.575443][ T7704] ___sys_sendmsg+0xee/0x170 [ 9659.575443][ T7704] __sys_sendmsg+0xcd/0x170 [ 9659.575443][ T7704] do_syscall_64+0xc6/0x1e0 [ 9659.575443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.575443][ T7704] [ 9659.577921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9659.577921][ T7704] netdev_get_by_index+0x5e/0x80 [ 9659.577921][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9659.577921][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9659.577921][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9659.577921][ T7704] ipv6_add_addr+0x411/0x2000 [ 9659.577921][ T7704] inet6_addr_add+0x30e/0xa40 [ 9659.577921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.577921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.577921][ T7704] netlink_rcv_skb+0x130/0x360 [ 9659.577921][ T7704] netlink_unicast+0x449/0x710 [ 9659.577921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9659.577921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9659.577921][ T7704] ___sys_sendmsg+0xee/0x170 [ 9659.577921][ T7704] __sys_sendmsg+0xcd/0x170 [ 9659.577921][ T7704] do_syscall_64+0xc6/0x1e0 [ 9659.577921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.577921][ T7704] [ 9659.580396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9659.580396][ T7704] netdev_get_by_index+0x5e/0x80 [ 9659.580396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9659.580396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9659.580396][ T7704] ip6_route_add+0x1c/0x140 [ 9659.580396][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9659.580396][ T7704] addrconf_add_dev+0xe2/0x170 [ 9659.580396][ T7704] inet6_addr_add+0x12f/0xa40 [ 9659.580396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.580396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.580396][ T7704] netlink_rcv_skb+0x130/0x360 [ 9659.580396][ T7704] netlink_unicast+0x449/0x710 [ 9659.580396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9659.580396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9659.580396][ T7704] ___sys_sendmsg+0xee/0x170 [ 9659.580396][ T7704] __sys_sendmsg+0xcd/0x170 [ 9659.580396][ T7704] do_syscall_64+0xc6/0x1e0 [ 9659.580396][ T7704] [ 9659.582812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9659.582812][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9659.582812][ T7704] ipv6_find_idev+0x102/0x170 [ 9659.582812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.582812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.582812][ T7704] netlink_rcv_skb+0x130/0x360 [ 9659.582812][ T7704] netlink_unicast+0x449/0x710 [ 9659.582812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9659.582812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9659.582812][ T7704] ___sys_sendmsg+0xee/0x170 [ 9659.582812][ T7704] __sys_sendmsg+0xcd/0x170 [ 9659.582812][ T7704] do_syscall_64+0xc6/0x1e0 [ 9659.582812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.582812][ T7704] [ 9659.584717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9659.584717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9659.584717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9659.584717][ T7704] ipv6_find_idev+0x102/0x170 [ 9659.584717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.584717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.584717][ T7704] netlink_rcv_skb+0x130/0x360 [ 9659.584717][ T7704] netlink_unicast+0x449/0x710 [ 9659.584717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9659.584717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9659.584717][ T7704] ___sys_sendmsg+0xee/0x170 [ 9659.584717][ T7704] __sys_sendmsg+0xcd/0x170 [ 9659.584717][ T7704] do_syscall_64+0xc6/0x1e0 [ 9659.584717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.584717][ T7704] [ 9669.654944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9669.655437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9669.655437][ T7704] netdev_get_by_index+0x5e/0x80 [ 9669.655437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9669.655437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9669.655437][ T7704] ip6_route_add+0x1c/0x140 [ 9669.655437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9669.655437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9669.655437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.655437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.655437][ T7704] netlink_rcv_skb+0x130/0x360 [ 9669.655437][ T7704] netlink_unicast+0x449/0x710 [ 9669.655437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9669.655437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9669.655437][ T7704] ___sys_sendmsg+0xee/0x170 [ 9669.655437][ T7704] __sys_sendmsg+0xcd/0x170 [ 9669.655437][ T7704] do_syscall_64+0xc6/0x1e0 [ 9669.655437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.655437][ T7704] [ 9669.657936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9669.657936][ T7704] netdev_get_by_index+0x5e/0x80 [ 9669.657936][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9669.657936][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9669.657936][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9669.657936][ T7704] ipv6_add_addr+0x411/0x2000 [ 9669.657936][ T7704] inet6_addr_add+0x30e/0xa40 [ 9669.657936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.657936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.657936][ T7704] netlink_rcv_skb+0x130/0x360 [ 9669.657936][ T7704] netlink_unicast+0x449/0x710 [ 9669.657936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9669.657936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9669.657936][ T7704] ___sys_sendmsg+0xee/0x170 [ 9669.657936][ T7704] __sys_sendmsg+0xcd/0x170 [ 9669.657936][ T7704] do_syscall_64+0xc6/0x1e0 [ 9669.657936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.657936][ T7704] [ 9669.660392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9669.660392][ T7704] netdev_get_by_index+0x5e/0x80 [ 9669.660392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9669.660392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9669.660392][ T7704] ip6_route_add+0x1c/0x140 [ 9669.660392][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9669.660392][ T7704] addrconf_add_dev+0xe2/0x170 [ 9669.660392][ T7704] inet6_addr_add+0x12f/0xa40 [ 9669.660392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.660392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.660392][ T7704] netlink_rcv_skb+0x130/0x360 [ 9669.660392][ T7704] netlink_unicast+0x449/0x710 [ 9669.660392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9669.660392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9669.660392][ T7704] ___sys_sendmsg+0xee/0x170 [ 9669.660392][ T7704] __sys_sendmsg+0xcd/0x170 [ 9669.660392][ T7704] do_syscall_64+0xc6/0x1e0 [ 9669.660392][ T7704] [ 9669.662798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9669.662798][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9669.662798][ T7704] ipv6_find_idev+0x102/0x170 [ 9669.662798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.662798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.662798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9669.662798][ T7704] netlink_unicast+0x449/0x710 [ 9669.662798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9669.662798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9669.662798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9669.662798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9669.662798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9669.662798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.662798][ T7704] [ 9669.664701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9669.664701][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9669.664701][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9669.664701][ T7704] ipv6_find_idev+0x102/0x170 [ 9669.664701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.664701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.664701][ T7704] netlink_rcv_skb+0x130/0x360 [ 9669.664701][ T7704] netlink_unicast+0x449/0x710 [ 9669.664701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9669.664701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9669.664701][ T7704] ___sys_sendmsg+0xee/0x170 [ 9669.664701][ T7704] __sys_sendmsg+0xcd/0x170 [ 9669.664701][ T7704] do_syscall_64+0xc6/0x1e0 [ 9669.664701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.664701][ T7704] [ 9679.902935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9679.903425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9679.903425][ T7704] netdev_get_by_index+0x5e/0x80 [ 9679.903425][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9679.903425][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9679.903425][ T7704] ip6_route_add+0x1c/0x140 [ 9679.903425][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9679.903425][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9679.903425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.903425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.903425][ T7704] netlink_rcv_skb+0x130/0x360 [ 9679.903425][ T7704] netlink_unicast+0x449/0x710 [ 9679.903425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9679.903425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9679.903425][ T7704] ___sys_sendmsg+0xee/0x170 [ 9679.903425][ T7704] __sys_sendmsg+0xcd/0x170 [ 9679.903425][ T7704] do_syscall_64+0xc6/0x1e0 [ 9679.903425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.903425][ T7704] [ 9679.905928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9679.905928][ T7704] netdev_get_by_index+0x5e/0x80 [ 9679.905928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9679.905928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9679.905928][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9679.905928][ T7704] ipv6_add_addr+0x411/0x2000 [ 9679.905928][ T7704] inet6_addr_add+0x30e/0xa40 [ 9679.905928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.905928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.905928][ T7704] netlink_rcv_skb+0x130/0x360 [ 9679.905928][ T7704] netlink_unicast+0x449/0x710 [ 9679.905928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9679.905928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9679.905928][ T7704] ___sys_sendmsg+0xee/0x170 [ 9679.905928][ T7704] __sys_sendmsg+0xcd/0x170 [ 9679.905928][ T7704] do_syscall_64+0xc6/0x1e0 [ 9679.905928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.905928][ T7704] [ 9679.908386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9679.908386][ T7704] netdev_get_by_index+0x5e/0x80 [ 9679.908386][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9679.908386][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9679.908386][ T7704] ip6_route_add+0x1c/0x140 [ 9679.908386][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9679.908386][ T7704] addrconf_add_dev+0xe2/0x170 [ 9679.908386][ T7704] inet6_addr_add+0x12f/0xa40 [ 9679.908386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.908386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.908386][ T7704] netlink_rcv_skb+0x130/0x360 [ 9679.908386][ T7704] netlink_unicast+0x449/0x710 [ 9679.908386][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9679.908386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9679.908386][ T7704] ___sys_sendmsg+0xee/0x170 [ 9679.908386][ T7704] __sys_sendmsg+0xcd/0x170 [ 9679.908386][ T7704] do_syscall_64+0xc6/0x1e0 [ 9679.908386][ T7704] [ 9679.910798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9679.910798][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9679.910798][ T7704] ipv6_find_idev+0x102/0x170 [ 9679.910798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.910798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.910798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9679.910798][ T7704] netlink_unicast+0x449/0x710 [ 9679.910798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9679.910798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9679.910798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9679.910798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9679.910798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9679.910798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.910798][ T7704] [ 9679.912666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9679.912666][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9679.912666][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9679.912666][ T7704] ipv6_find_idev+0x102/0x170 [ 9679.912666][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.912666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.912666][ T7704] netlink_rcv_skb+0x130/0x360 [ 9679.912666][ T7704] netlink_unicast+0x449/0x710 [ 9679.912666][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9679.912666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9679.912666][ T7704] ___sys_sendmsg+0xee/0x170 [ 9679.912666][ T7704] __sys_sendmsg+0xcd/0x170 [ 9679.912666][ T7704] do_syscall_64+0xc6/0x1e0 [ 9679.912666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.912666][ T7704] [ 9690.151012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9690.151535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9690.151535][ T7704] netdev_get_by_index+0x5e/0x80 [ 9690.151535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9690.151535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9690.151535][ T7704] ip6_route_add+0x1c/0x140 [ 9690.151535][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9690.151535][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9690.151535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.151535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.151535][ T7704] netlink_rcv_skb+0x130/0x360 [ 9690.151535][ T7704] netlink_unicast+0x449/0x710 [ 9690.151535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9690.151535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9690.151535][ T7704] ___sys_sendmsg+0xee/0x170 [ 9690.151535][ T7704] __sys_sendmsg+0xcd/0x170 [ 9690.151535][ T7704] do_syscall_64+0xc6/0x1e0 [ 9690.151535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.151535][ T7704] [ 9690.154021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9690.154021][ T7704] netdev_get_by_index+0x5e/0x80 [ 9690.154021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9690.154021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9690.154021][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9690.154021][ T7704] ipv6_add_addr+0x411/0x2000 [ 9690.154021][ T7704] inet6_addr_add+0x30e/0xa40 [ 9690.154021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.154021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.154021][ T7704] netlink_rcv_skb+0x130/0x360 [ 9690.154021][ T7704] netlink_unicast+0x449/0x710 [ 9690.154021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9690.154021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9690.154021][ T7704] ___sys_sendmsg+0xee/0x170 [ 9690.154021][ T7704] __sys_sendmsg+0xcd/0x170 [ 9690.154021][ T7704] do_syscall_64+0xc6/0x1e0 [ 9690.154021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.154021][ T7704] [ 9690.156472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9690.156472][ T7704] netdev_get_by_index+0x5e/0x80 [ 9690.156472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9690.156472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9690.156472][ T7704] ip6_route_add+0x1c/0x140 [ 9690.156472][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9690.156472][ T7704] addrconf_add_dev+0xe2/0x170 [ 9690.156472][ T7704] inet6_addr_add+0x12f/0xa40 [ 9690.156472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.156472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.156472][ T7704] netlink_rcv_skb+0x130/0x360 [ 9690.156472][ T7704] netlink_unicast+0x449/0x710 [ 9690.156472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9690.156472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9690.156472][ T7704] ___sys_sendmsg+0xee/0x170 [ 9690.156472][ T7704] __sys_sendmsg+0xcd/0x170 [ 9690.156472][ T7704] do_syscall_64+0xc6/0x1e0 [ 9690.156472][ T7704] [ 9690.158877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9690.158877][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9690.158877][ T7704] ipv6_find_idev+0x102/0x170 [ 9690.158877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9690.158877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.158877][ T7704] netlink_rcv_skb+0x130/0x360 [ 9690.158877][ T7704] netlink_unicast+0x449/0x710 [ 9690.158877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9690.158877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9690.158877][ T7704] ___sys_sendmsg+0xee/0x170 [ 9690.158877][ T7704] __sys_sendmsg+0xcd/0x170 [ 9690.158877][ T7704] do_syscall_64+0xc6/0x1e0 [ 9690.158877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.158877][ T7704] [ 9690.160754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9690.160754][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9690.160754][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9690.160754][ T7704] ipv6_find_idev+0x102/0x170 [ 9690.160754][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9690.160754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.160754][ T7704] netlink_rcv_skb+0x130/0x360 [ 9690.160754][ T7704] netlink_unicast+0x449/0x710 [ 9690.160754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9690.160754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9690.160754][ T7704] ___sys_sendmsg+0xee/0x170 [ 9690.160754][ T7704] __sys_sendmsg+0xcd/0x170 [ 9690.160754][ T7704] do_syscall_64+0xc6/0x1e0 [ 9690.160754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.160754][ T7704] [ 9700.398983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9700.399436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9700.399436][ T7704] netdev_get_by_index+0x5e/0x80 [ 9700.399436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9700.399436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9700.399436][ T7704] ip6_route_add+0x1c/0x140 [ 9700.399436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9700.399436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9700.399436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.399436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.399436][ T7704] netlink_rcv_skb+0x130/0x360 [ 9700.399436][ T7704] netlink_unicast+0x449/0x710 [ 9700.399436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9700.399436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9700.399436][ T7704] ___sys_sendmsg+0xee/0x170 [ 9700.399436][ T7704] __sys_sendmsg+0xcd/0x170 [ 9700.399436][ T7704] do_syscall_64+0xc6/0x1e0 [ 9700.399436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.399436][ T7704] [ 9700.401931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9700.401931][ T7704] netdev_get_by_index+0x5e/0x80 [ 9700.401931][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9700.401931][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9700.401931][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9700.401931][ T7704] ipv6_add_addr+0x411/0x2000 [ 9700.401931][ T7704] inet6_addr_add+0x30e/0xa40 [ 9700.401931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.401931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.401931][ T7704] netlink_rcv_skb+0x130/0x360 [ 9700.401931][ T7704] netlink_unicast+0x449/0x710 [ 9700.401931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9700.401931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9700.401931][ T7704] ___sys_sendmsg+0xee/0x170 [ 9700.401931][ T7704] __sys_sendmsg+0xcd/0x170 [ 9700.401931][ T7704] do_syscall_64+0xc6/0x1e0 [ 9700.401931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.401931][ T7704] [ 9700.404530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9700.404530][ T7704] netdev_get_by_index+0x5e/0x80 [ 9700.404530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9700.404530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9700.404530][ T7704] ip6_route_add+0x1c/0x140 [ 9700.404530][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9700.404530][ T7704] addrconf_add_dev+0xe2/0x170 [ 9700.404530][ T7704] inet6_addr_add+0x12f/0xa40 [ 9700.404530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.404530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.404530][ T7704] netlink_rcv_skb+0x130/0x360 [ 9700.404530][ T7704] netlink_unicast+0x449/0x710 [ 9700.404530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9700.404530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9700.404530][ T7704] ___sys_sendmsg+0xee/0x170 [ 9700.404530][ T7704] __sys_sendmsg+0xcd/0x170 [ 9700.404530][ T7704] do_syscall_64+0xc6/0x1e0 [ 9700.404530][ T7704] [ 9700.406947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9700.406947][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9700.406947][ T7704] ipv6_find_idev+0x102/0x170 [ 9700.406947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.406947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.406947][ T7704] netlink_rcv_skb+0x130/0x360 [ 9700.406947][ T7704] netlink_unicast+0x449/0x710 [ 9700.406947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9700.406947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9700.406947][ T7704] ___sys_sendmsg+0xee/0x170 [ 9700.406947][ T7704] __sys_sendmsg+0xcd/0x170 [ 9700.406947][ T7704] do_syscall_64+0xc6/0x1e0 [ 9700.406947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.406947][ T7704] [ 9700.408840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9700.408840][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9700.408840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9700.408840][ T7704] ipv6_find_idev+0x102/0x170 [ 9700.408840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.408840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.408840][ T7704] netlink_rcv_skb+0x130/0x360 [ 9700.408840][ T7704] netlink_unicast+0x449/0x710 [ 9700.408840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9700.408840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9700.408840][ T7704] ___sys_sendmsg+0xee/0x170 [ 9700.408840][ T7704] __sys_sendmsg+0xcd/0x170 [ 9700.408840][ T7704] do_syscall_64+0xc6/0x1e0 [ 9700.408840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.408840][ T7704] [ 9710.654962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9710.655409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9710.655409][ T7704] netdev_get_by_index+0x5e/0x80 [ 9710.655409][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9710.655409][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9710.655409][ T7704] ip6_route_add+0x1c/0x140 [ 9710.655409][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9710.655409][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9710.655409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.655409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.655409][ T7704] netlink_rcv_skb+0x130/0x360 [ 9710.655409][ T7704] netlink_unicast+0x449/0x710 [ 9710.655409][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9710.655409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9710.655409][ T7704] ___sys_sendmsg+0xee/0x170 [ 9710.655409][ T7704] __sys_sendmsg+0xcd/0x170 [ 9710.655409][ T7704] do_syscall_64+0xc6/0x1e0 [ 9710.655409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.655409][ T7704] [ 9710.657926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9710.657926][ T7704] netdev_get_by_index+0x5e/0x80 [ 9710.657926][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9710.657926][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9710.657926][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9710.657926][ T7704] ipv6_add_addr+0x411/0x2000 [ 9710.657926][ T7704] inet6_addr_add+0x30e/0xa40 [ 9710.657926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.657926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.657926][ T7704] netlink_rcv_skb+0x130/0x360 [ 9710.657926][ T7704] netlink_unicast+0x449/0x710 [ 9710.657926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9710.657926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9710.657926][ T7704] ___sys_sendmsg+0xee/0x170 [ 9710.657926][ T7704] __sys_sendmsg+0xcd/0x170 [ 9710.657926][ T7704] do_syscall_64+0xc6/0x1e0 [ 9710.657926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.657926][ T7704] [ 9710.660405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9710.660405][ T7704] netdev_get_by_index+0x5e/0x80 [ 9710.660405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9710.660405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9710.660405][ T7704] ip6_route_add+0x1c/0x140 [ 9710.660405][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9710.660405][ T7704] addrconf_add_dev+0xe2/0x170 [ 9710.660405][ T7704] inet6_addr_add+0x12f/0xa40 [ 9710.660405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.660405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.660405][ T7704] netlink_rcv_skb+0x130/0x360 [ 9710.660405][ T7704] netlink_unicast+0x449/0x710 [ 9710.660405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9710.660405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9710.660405][ T7704] ___sys_sendmsg+0xee/0x170 [ 9710.660405][ T7704] __sys_sendmsg+0xcd/0x170 [ 9710.660405][ T7704] do_syscall_64+0xc6/0x1e0 [ 9710.660405][ T7704] [ 9710.662857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9710.662857][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9710.662857][ T7704] ipv6_find_idev+0x102/0x170 [ 9710.662857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.662857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.662857][ T7704] netlink_rcv_skb+0x130/0x360 [ 9710.662857][ T7704] netlink_unicast+0x449/0x710 [ 9710.662857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9710.662857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9710.662857][ T7704] ___sys_sendmsg+0xee/0x170 [ 9710.662857][ T7704] __sys_sendmsg+0xcd/0x170 [ 9710.662857][ T7704] do_syscall_64+0xc6/0x1e0 [ 9710.662857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.662857][ T7704] [ 9710.664798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9710.664798][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9710.664798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9710.664798][ T7704] ipv6_find_idev+0x102/0x170 [ 9710.664798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.664798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.664798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9710.664798][ T7704] netlink_unicast+0x449/0x710 [ 9710.664798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9710.664798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9710.664798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9710.664798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9710.664798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9710.664798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.664798][ T7704] [ 9720.902946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9720.903456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9720.903456][ T7704] netdev_get_by_index+0x5e/0x80 [ 9720.903456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9720.903456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9720.903456][ T7704] ip6_route_add+0x1c/0x140 [ 9720.903456][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9720.903456][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9720.903456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.903456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.903456][ T7704] netlink_rcv_skb+0x130/0x360 [ 9720.903456][ T7704] netlink_unicast+0x449/0x710 [ 9720.903456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9720.903456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9720.903456][ T7704] ___sys_sendmsg+0xee/0x170 [ 9720.903456][ T7704] __sys_sendmsg+0xcd/0x170 [ 9720.903456][ T7704] do_syscall_64+0xc6/0x1e0 [ 9720.903456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.903456][ T7704] [ 9720.905982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9720.905982][ T7704] netdev_get_by_index+0x5e/0x80 [ 9720.905982][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9720.905982][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9720.905982][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9720.905982][ T7704] ipv6_add_addr+0x411/0x2000 [ 9720.905982][ T7704] inet6_addr_add+0x30e/0xa40 [ 9720.905982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.905982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.905982][ T7704] netlink_rcv_skb+0x130/0x360 [ 9720.905982][ T7704] netlink_unicast+0x449/0x710 [ 9720.905982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9720.905982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9720.905982][ T7704] ___sys_sendmsg+0xee/0x170 [ 9720.905982][ T7704] __sys_sendmsg+0xcd/0x170 [ 9720.905982][ T7704] do_syscall_64+0xc6/0x1e0 [ 9720.905982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.905982][ T7704] [ 9720.908474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9720.908474][ T7704] netdev_get_by_index+0x5e/0x80 [ 9720.908474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9720.908474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9720.908474][ T7704] ip6_route_add+0x1c/0x140 [ 9720.908474][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9720.908474][ T7704] addrconf_add_dev+0xe2/0x170 [ 9720.908474][ T7704] inet6_addr_add+0x12f/0xa40 [ 9720.908474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.908474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.908474][ T7704] netlink_rcv_skb+0x130/0x360 [ 9720.908474][ T7704] netlink_unicast+0x449/0x710 [ 9720.908474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9720.908474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9720.908474][ T7704] ___sys_sendmsg+0xee/0x170 [ 9720.908474][ T7704] __sys_sendmsg+0xcd/0x170 [ 9720.908474][ T7704] do_syscall_64+0xc6/0x1e0 [ 9720.908474][ T7704] [ 9720.911000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9720.911000][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9720.911000][ T7704] ipv6_find_idev+0x102/0x170 [ 9720.911000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.911000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.911000][ T7704] netlink_rcv_skb+0x130/0x360 [ 9720.911000][ T7704] netlink_unicast+0x449/0x710 [ 9720.911000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9720.911000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9720.911000][ T7704] ___sys_sendmsg+0xee/0x170 [ 9720.911000][ T7704] __sys_sendmsg+0xcd/0x170 [ 9720.911000][ T7704] do_syscall_64+0xc6/0x1e0 [ 9720.911000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.911000][ T7704] [ 9720.912916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9720.912916][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9720.912916][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9720.912916][ T7704] ipv6_find_idev+0x102/0x170 [ 9720.912916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.912916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.912916][ T7704] netlink_rcv_skb+0x130/0x360 [ 9720.912916][ T7704] netlink_unicast+0x449/0x710 [ 9720.912916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9720.912916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9720.912916][ T7704] ___sys_sendmsg+0xee/0x170 [ 9720.912916][ T7704] __sys_sendmsg+0xcd/0x170 [ 9720.912916][ T7704] do_syscall_64+0xc6/0x1e0 [ 9720.912916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.912916][ T7704] [ 9731.150966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9731.151436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9731.151436][ T7704] netdev_get_by_index+0x5e/0x80 [ 9731.151436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9731.151436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9731.151436][ T7704] ip6_route_add+0x1c/0x140 [ 9731.151436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9731.151436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9731.151436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.151436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.151436][ T7704] netlink_rcv_skb+0x130/0x360 [ 9731.151436][ T7704] netlink_unicast+0x449/0x710 [ 9731.151436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9731.151436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9731.151436][ T7704] ___sys_sendmsg+0xee/0x170 [ 9731.151436][ T7704] __sys_sendmsg+0xcd/0x170 [ 9731.151436][ T7704] do_syscall_64+0xc6/0x1e0 [ 9731.151436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.151436][ T7704] [ 9731.153944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9731.153944][ T7704] netdev_get_by_index+0x5e/0x80 [ 9731.153944][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9731.153944][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9731.153944][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9731.153944][ T7704] ipv6_add_addr+0x411/0x2000 [ 9731.153944][ T7704] inet6_addr_add+0x30e/0xa40 [ 9731.153944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.153944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.153944][ T7704] netlink_rcv_skb+0x130/0x360 [ 9731.153944][ T7704] netlink_unicast+0x449/0x710 [ 9731.153944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9731.153944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9731.153944][ T7704] ___sys_sendmsg+0xee/0x170 [ 9731.153944][ T7704] __sys_sendmsg+0xcd/0x170 [ 9731.153944][ T7704] do_syscall_64+0xc6/0x1e0 [ 9731.153944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.153944][ T7704] [ 9731.156448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9731.156448][ T7704] netdev_get_by_index+0x5e/0x80 [ 9731.156448][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9731.156448][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9731.156448][ T7704] ip6_route_add+0x1c/0x140 [ 9731.156448][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9731.156448][ T7704] addrconf_add_dev+0xe2/0x170 [ 9731.156448][ T7704] inet6_addr_add+0x12f/0xa40 [ 9731.156448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.156448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.156448][ T7704] netlink_rcv_skb+0x130/0x360 [ 9731.156448][ T7704] netlink_unicast+0x449/0x710 [ 9731.156448][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9731.156448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9731.156448][ T7704] ___sys_sendmsg+0xee/0x170 [ 9731.156448][ T7704] __sys_sendmsg+0xcd/0x170 [ 9731.156448][ T7704] do_syscall_64+0xc6/0x1e0 [ 9731.156448][ T7704] [ 9731.158909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9731.158909][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9731.158909][ T7704] ipv6_find_idev+0x102/0x170 [ 9731.158909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.158909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.158909][ T7704] netlink_rcv_skb+0x130/0x360 [ 9731.158909][ T7704] netlink_unicast+0x449/0x710 [ 9731.158909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9731.158909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9731.158909][ T7704] ___sys_sendmsg+0xee/0x170 [ 9731.158909][ T7704] __sys_sendmsg+0xcd/0x170 [ 9731.158909][ T7704] do_syscall_64+0xc6/0x1e0 [ 9731.158909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.158909][ T7704] [ 9731.160816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9731.160816][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9731.160816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9731.160816][ T7704] ipv6_find_idev+0x102/0x170 [ 9731.160816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.160816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.160816][ T7704] netlink_rcv_skb+0x130/0x360 [ 9731.160816][ T7704] netlink_unicast+0x449/0x710 [ 9731.160816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9731.160816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9731.160816][ T7704] ___sys_sendmsg+0xee/0x170 [ 9731.160816][ T7704] __sys_sendmsg+0xcd/0x170 [ 9731.160816][ T7704] do_syscall_64+0xc6/0x1e0 [ 9731.160816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.160816][ T7704] [ 9741.398939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9741.399457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9741.399457][ T7704] netdev_get_by_index+0x5e/0x80 [ 9741.399457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9741.399457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9741.399457][ T7704] ip6_route_add+0x1c/0x140 [ 9741.399457][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9741.399457][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9741.399457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.399457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.399457][ T7704] netlink_rcv_skb+0x130/0x360 [ 9741.399457][ T7704] netlink_unicast+0x449/0x710 [ 9741.399457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9741.399457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9741.399457][ T7704] ___sys_sendmsg+0xee/0x170 [ 9741.399457][ T7704] __sys_sendmsg+0xcd/0x170 [ 9741.399457][ T7704] do_syscall_64+0xc6/0x1e0 [ 9741.399457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.399457][ T7704] [ 9741.401991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9741.401991][ T7704] netdev_get_by_index+0x5e/0x80 [ 9741.401991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9741.401991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9741.401991][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9741.401991][ T7704] ipv6_add_addr+0x411/0x2000 [ 9741.401991][ T7704] inet6_addr_add+0x30e/0xa40 [ 9741.401991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.401991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.401991][ T7704] netlink_rcv_skb+0x130/0x360 [ 9741.401991][ T7704] netlink_unicast+0x449/0x710 [ 9741.401991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9741.401991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9741.401991][ T7704] ___sys_sendmsg+0xee/0x170 [ 9741.401991][ T7704] __sys_sendmsg+0xcd/0x170 [ 9741.401991][ T7704] do_syscall_64+0xc6/0x1e0 [ 9741.401991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.401991][ T7704] [ 9741.404480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9741.404480][ T7704] netdev_get_by_index+0x5e/0x80 [ 9741.404480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9741.404480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9741.404480][ T7704] ip6_route_add+0x1c/0x140 [ 9741.404480][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9741.404480][ T7704] addrconf_add_dev+0xe2/0x170 [ 9741.404480][ T7704] inet6_addr_add+0x12f/0xa40 [ 9741.404480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.404480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.404480][ T7704] netlink_rcv_skb+0x130/0x360 [ 9741.404480][ T7704] netlink_unicast+0x449/0x710 [ 9741.404480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9741.404480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9741.404480][ T7704] ___sys_sendmsg+0xee/0x170 [ 9741.404480][ T7704] __sys_sendmsg+0xcd/0x170 [ 9741.404480][ T7704] do_syscall_64+0xc6/0x1e0 [ 9741.404480][ T7704] [ 9741.406944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9741.406944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9741.406944][ T7704] ipv6_find_idev+0x102/0x170 [ 9741.406944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.406944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.406944][ T7704] netlink_rcv_skb+0x130/0x360 [ 9741.406944][ T7704] netlink_unicast+0x449/0x710 [ 9741.406944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9741.406944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9741.406944][ T7704] ___sys_sendmsg+0xee/0x170 [ 9741.406944][ T7704] __sys_sendmsg+0xcd/0x170 [ 9741.406944][ T7704] do_syscall_64+0xc6/0x1e0 [ 9741.406944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.406944][ T7704] [ 9741.408871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9741.408871][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9741.408871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9741.408871][ T7704] ipv6_find_idev+0x102/0x170 [ 9741.408871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.408871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.408871][ T7704] netlink_rcv_skb+0x130/0x360 [ 9741.408871][ T7704] netlink_unicast+0x449/0x710 [ 9741.408871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9741.408871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9741.408871][ T7704] ___sys_sendmsg+0xee/0x170 [ 9741.408871][ T7704] __sys_sendmsg+0xcd/0x170 [ 9741.408871][ T7704] do_syscall_64+0xc6/0x1e0 [ 9741.408871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.408871][ T7704] [ 9751.646990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9751.647511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9751.647511][ T7704] netdev_get_by_index+0x5e/0x80 [ 9751.647511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9751.647511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9751.647511][ T7704] ip6_route_add+0x1c/0x140 [ 9751.647511][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9751.647511][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9751.647511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.647511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.647511][ T7704] netlink_rcv_skb+0x130/0x360 [ 9751.647511][ T7704] netlink_unicast+0x449/0x710 [ 9751.647511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9751.647511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9751.647511][ T7704] ___sys_sendmsg+0xee/0x170 [ 9751.647511][ T7704] __sys_sendmsg+0xcd/0x170 [ 9751.647511][ T7704] do_syscall_64+0xc6/0x1e0 [ 9751.647511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.647511][ T7704] [ 9751.650013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9751.650013][ T7704] netdev_get_by_index+0x5e/0x80 [ 9751.650013][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9751.650013][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9751.650013][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9751.650013][ T7704] ipv6_add_addr+0x411/0x2000 [ 9751.650013][ T7704] inet6_addr_add+0x30e/0xa40 [ 9751.650013][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.650013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.650013][ T7704] netlink_rcv_skb+0x130/0x360 [ 9751.650013][ T7704] netlink_unicast+0x449/0x710 [ 9751.650013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9751.650013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9751.650013][ T7704] ___sys_sendmsg+0xee/0x170 [ 9751.650013][ T7704] __sys_sendmsg+0xcd/0x170 [ 9751.650013][ T7704] do_syscall_64+0xc6/0x1e0 [ 9751.650013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.650013][ T7704] [ 9751.652471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9751.652471][ T7704] netdev_get_by_index+0x5e/0x80 [ 9751.652471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9751.652471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9751.652471][ T7704] ip6_route_add+0x1c/0x140 [ 9751.652471][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9751.652471][ T7704] addrconf_add_dev+0xe2/0x170 [ 9751.652471][ T7704] inet6_addr_add+0x12f/0xa40 [ 9751.652471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.652471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.652471][ T7704] netlink_rcv_skb+0x130/0x360 [ 9751.652471][ T7704] netlink_unicast+0x449/0x710 [ 9751.652471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9751.652471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9751.652471][ T7704] ___sys_sendmsg+0xee/0x170 [ 9751.652471][ T7704] __sys_sendmsg+0xcd/0x170 [ 9751.652471][ T7704] do_syscall_64+0xc6/0x1e0 [ 9751.652471][ T7704] [ 9751.654895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9751.654895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9751.654895][ T7704] ipv6_find_idev+0x102/0x170 [ 9751.654895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.654895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.654895][ T7704] netlink_rcv_skb+0x130/0x360 [ 9751.654895][ T7704] netlink_unicast+0x449/0x710 [ 9751.654895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9751.654895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9751.654895][ T7704] ___sys_sendmsg+0xee/0x170 [ 9751.654895][ T7704] __sys_sendmsg+0xcd/0x170 [ 9751.654895][ T7704] do_syscall_64+0xc6/0x1e0 [ 9751.654895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.654895][ T7704] [ 9751.656791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9751.656791][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9751.656791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9751.656791][ T7704] ipv6_find_idev+0x102/0x170 [ 9751.656791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.656791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.656791][ T7704] netlink_rcv_skb+0x130/0x360 [ 9751.656791][ T7704] netlink_unicast+0x449/0x710 [ 9751.656791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9751.656791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9751.656791][ T7704] ___sys_sendmsg+0xee/0x170 [ 9751.656791][ T7704] __sys_sendmsg+0xcd/0x170 [ 9751.656791][ T7704] do_syscall_64+0xc6/0x1e0 [ 9751.656791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.656791][ T7704] [ 9761.894876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9761.895373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9761.895373][ T7704] netdev_get_by_index+0x5e/0x80 [ 9761.895373][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9761.895373][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9761.895373][ T7704] ip6_route_add+0x1c/0x140 [ 9761.895373][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9761.895373][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9761.895373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.895373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.895373][ T7704] netlink_rcv_skb+0x130/0x360 [ 9761.895373][ T7704] netlink_unicast+0x449/0x710 [ 9761.895373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9761.895373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9761.895373][ T7704] ___sys_sendmsg+0xee/0x170 [ 9761.895373][ T7704] __sys_sendmsg+0xcd/0x170 [ 9761.895373][ T7704] do_syscall_64+0xc6/0x1e0 [ 9761.895373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.895373][ T7704] [ 9761.898367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9761.898367][ T7704] netdev_get_by_index+0x5e/0x80 [ 9761.898367][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9761.898367][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9761.898367][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9761.898367][ T7704] ipv6_add_addr+0x411/0x2000 [ 9761.898367][ T7704] inet6_addr_add+0x30e/0xa40 [ 9761.898367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.898367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.898367][ T7704] netlink_rcv_skb+0x130/0x360 [ 9761.898367][ T7704] netlink_unicast+0x449/0x710 [ 9761.898367][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9761.898367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9761.898367][ T7704] ___sys_sendmsg+0xee/0x170 [ 9761.898367][ T7704] __sys_sendmsg+0xcd/0x170 [ 9761.898367][ T7704] do_syscall_64+0xc6/0x1e0 [ 9761.898367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.898367][ T7704] [ 9761.900813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9761.900813][ T7704] netdev_get_by_index+0x5e/0x80 [ 9761.900813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9761.900813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9761.900813][ T7704] ip6_route_add+0x1c/0x140 [ 9761.900813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9761.900813][ T7704] addrconf_add_dev+0xe2/0x170 [ 9761.900813][ T7704] inet6_addr_add+0x12f/0xa40 [ 9761.900813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.900813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.900813][ T7704] netlink_rcv_skb+0x130/0x360 [ 9761.900813][ T7704] netlink_unicast+0x449/0x710 [ 9761.900813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9761.900813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9761.900813][ T7704] ___sys_sendmsg+0xee/0x170 [ 9761.900813][ T7704] __sys_sendmsg+0xcd/0x170 [ 9761.900813][ T7704] do_syscall_64+0xc6/0x1e0 [ 9761.900813][ T7704] [ 9761.903206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9761.903206][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9761.903206][ T7704] ipv6_find_idev+0x102/0x170 [ 9761.903206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.903206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.903206][ T7704] netlink_rcv_skb+0x130/0x360 [ 9761.903206][ T7704] netlink_unicast+0x449/0x710 [ 9761.903206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9761.903206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9761.903206][ T7704] ___sys_sendmsg+0xee/0x170 [ 9761.903206][ T7704] __sys_sendmsg+0xcd/0x170 [ 9761.903206][ T7704] do_syscall_64+0xc6/0x1e0 [ 9761.903206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.903206][ T7704] [ 9761.905090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9761.905090][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9761.905090][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9761.905090][ T7704] ipv6_find_idev+0x102/0x170 [ 9761.905090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.905090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.905090][ T7704] netlink_rcv_skb+0x130/0x360 [ 9761.905090][ T7704] netlink_unicast+0x449/0x710 [ 9761.905090][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9761.905090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9761.905090][ T7704] ___sys_sendmsg+0xee/0x170 [ 9761.905090][ T7704] __sys_sendmsg+0xcd/0x170 [ 9761.905090][ T7704] do_syscall_64+0xc6/0x1e0 [ 9761.905090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.905090][ T7704] [ 9772.142947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9772.143463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9772.143463][ T7704] netdev_get_by_index+0x5e/0x80 [ 9772.143463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9772.143463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9772.143463][ T7704] ip6_route_add+0x1c/0x140 [ 9772.143463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9772.143463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9772.143463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.143463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.143463][ T7704] netlink_rcv_skb+0x130/0x360 [ 9772.143463][ T7704] netlink_unicast+0x449/0x710 [ 9772.143463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9772.143463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9772.143463][ T7704] ___sys_sendmsg+0xee/0x170 [ 9772.143463][ T7704] __sys_sendmsg+0xcd/0x170 [ 9772.143463][ T7704] do_syscall_64+0xc6/0x1e0 [ 9772.143463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.143463][ T7704] [ 9772.145847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9772.145847][ T7704] netdev_get_by_index+0x5e/0x80 [ 9772.145847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9772.145847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9772.145847][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9772.145847][ T7704] ipv6_add_addr+0x411/0x2000 [ 9772.145847][ T7704] inet6_addr_add+0x30e/0xa40 [ 9772.145847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.145847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.145847][ T7704] netlink_rcv_skb+0x130/0x360 [ 9772.145847][ T7704] netlink_unicast+0x449/0x710 [ 9772.145847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9772.145847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9772.145847][ T7704] ___sys_sendmsg+0xee/0x170 [ 9772.145847][ T7704] __sys_sendmsg+0xcd/0x170 [ 9772.145847][ T7704] do_syscall_64+0xc6/0x1e0 [ 9772.145847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.145847][ T7704] [ 9772.148120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9772.148120][ T7704] netdev_get_by_index+0x5e/0x80 [ 9772.148120][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9772.148120][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9772.148120][ T7704] ip6_route_add+0x1c/0x140 [ 9772.148120][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9772.148120][ T7704] addrconf_add_dev+0xe2/0x170 [ 9772.148120][ T7704] inet6_addr_add+0x12f/0xa40 [ 9772.148120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.148120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.148120][ T7704] netlink_rcv_skb+0x130/0x360 [ 9772.148120][ T7704] netlink_unicast+0x449/0x710 [ 9772.148120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9772.148120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9772.148120][ T7704] ___sys_sendmsg+0xee/0x170 [ 9772.148120][ T7704] __sys_sendmsg+0xcd/0x170 [ 9772.148120][ T7704] do_syscall_64+0xc6/0x1e0 [ 9772.148120][ T7704] [ 9772.150347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9772.150347][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9772.150347][ T7704] ipv6_find_idev+0x102/0x170 [ 9772.150347][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.150347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.150347][ T7704] netlink_rcv_skb+0x130/0x360 [ 9772.150347][ T7704] netlink_unicast+0x449/0x710 [ 9772.150347][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9772.150347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9772.150347][ T7704] ___sys_sendmsg+0xee/0x170 [ 9772.150347][ T7704] __sys_sendmsg+0xcd/0x170 [ 9772.150347][ T7704] do_syscall_64+0xc6/0x1e0 [ 9772.150347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.150347][ T7704] [ 9772.152086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9772.152086][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9772.152086][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9772.152086][ T7704] ipv6_find_idev+0x102/0x170 [ 9772.152086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.152086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.152086][ T7704] netlink_rcv_skb+0x130/0x360 [ 9772.152086][ T7704] netlink_unicast+0x449/0x710 [ 9772.152086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9772.152086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9772.152086][ T7704] ___sys_sendmsg+0xee/0x170 [ 9772.152086][ T7704] __sys_sendmsg+0xcd/0x170 [ 9772.152086][ T7704] do_syscall_64+0xc6/0x1e0 [ 9772.152086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.152086][ T7704] [ 9782.390942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9782.391460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9782.391460][ T7704] netdev_get_by_index+0x5e/0x80 [ 9782.391460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9782.391460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9782.391460][ T7704] ip6_route_add+0x1c/0x140 [ 9782.391460][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9782.391460][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9782.391460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.391460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.391460][ T7704] netlink_rcv_skb+0x130/0x360 [ 9782.391460][ T7704] netlink_unicast+0x449/0x710 [ 9782.391460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9782.391460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9782.391460][ T7704] ___sys_sendmsg+0xee/0x170 [ 9782.391460][ T7704] __sys_sendmsg+0xcd/0x170 [ 9782.391460][ T7704] do_syscall_64+0xc6/0x1e0 [ 9782.391460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.391460][ T7704] [ 9782.393752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9782.393752][ T7704] netdev_get_by_index+0x5e/0x80 [ 9782.393752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9782.393752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9782.393752][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9782.393752][ T7704] ipv6_add_addr+0x411/0x2000 [ 9782.393752][ T7704] inet6_addr_add+0x30e/0xa40 [ 9782.393752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.393752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.393752][ T7704] netlink_rcv_skb+0x130/0x360 [ 9782.393752][ T7704] netlink_unicast+0x449/0x710 [ 9782.393752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9782.393752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9782.393752][ T7704] ___sys_sendmsg+0xee/0x170 [ 9782.393752][ T7704] __sys_sendmsg+0xcd/0x170 [ 9782.393752][ T7704] do_syscall_64+0xc6/0x1e0 [ 9782.393752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.393752][ T7704] [ 9782.396030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9782.396030][ T7704] netdev_get_by_index+0x5e/0x80 [ 9782.396030][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9782.396030][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9782.396030][ T7704] ip6_route_add+0x1c/0x140 [ 9782.396030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9782.396030][ T7704] addrconf_add_dev+0xe2/0x170 [ 9782.396030][ T7704] inet6_addr_add+0x12f/0xa40 [ 9782.396030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.396030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.396030][ T7704] netlink_rcv_skb+0x130/0x360 [ 9782.396030][ T7704] netlink_unicast+0x449/0x710 [ 9782.396030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9782.396030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9782.396030][ T7704] ___sys_sendmsg+0xee/0x170 [ 9782.396030][ T7704] __sys_sendmsg+0xcd/0x170 [ 9782.396030][ T7704] do_syscall_64+0xc6/0x1e0 [ 9782.396030][ T7704] [ 9782.398247][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9782.398247][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9782.398247][ T7704] ipv6_find_idev+0x102/0x170 [ 9782.398247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.398247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.398247][ T7704] netlink_rcv_skb+0x130/0x360 [ 9782.398247][ T7704] netlink_unicast+0x449/0x710 [ 9782.398247][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9782.398247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9782.398247][ T7704] ___sys_sendmsg+0xee/0x170 [ 9782.398247][ T7704] __sys_sendmsg+0xcd/0x170 [ 9782.398247][ T7704] do_syscall_64+0xc6/0x1e0 [ 9782.398247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.398247][ T7704] [ 9782.399981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9782.399981][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9782.399981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9782.399981][ T7704] ipv6_find_idev+0x102/0x170 [ 9782.399981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.399981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.399981][ T7704] netlink_rcv_skb+0x130/0x360 [ 9782.399981][ T7704] netlink_unicast+0x449/0x710 [ 9782.399981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9782.399981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9782.399981][ T7704] ___sys_sendmsg+0xee/0x170 [ 9782.399981][ T7704] __sys_sendmsg+0xcd/0x170 [ 9782.399981][ T7704] do_syscall_64+0xc6/0x1e0 [ 9782.399981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.399981][ T7704] [ 9792.638951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9792.639489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9792.639489][ T7704] netdev_get_by_index+0x5e/0x80 [ 9792.639489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9792.639489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9792.639489][ T7704] ip6_route_add+0x1c/0x140 [ 9792.639489][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9792.639489][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9792.639489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.639489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.639489][ T7704] netlink_rcv_skb+0x130/0x360 [ 9792.639489][ T7704] netlink_unicast+0x449/0x710 [ 9792.639489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9792.639489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9792.639489][ T7704] ___sys_sendmsg+0xee/0x170 [ 9792.639489][ T7704] __sys_sendmsg+0xcd/0x170 [ 9792.639489][ T7704] do_syscall_64+0xc6/0x1e0 [ 9792.639489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.639489][ T7704] [ 9792.641787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9792.641787][ T7704] netdev_get_by_index+0x5e/0x80 [ 9792.641787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9792.641787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9792.641787][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9792.641787][ T7704] ipv6_add_addr+0x411/0x2000 [ 9792.641787][ T7704] inet6_addr_add+0x30e/0xa40 [ 9792.641787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.641787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.641787][ T7704] netlink_rcv_skb+0x130/0x360 [ 9792.641787][ T7704] netlink_unicast+0x449/0x710 [ 9792.641787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9792.641787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9792.641787][ T7704] ___sys_sendmsg+0xee/0x170 [ 9792.641787][ T7704] __sys_sendmsg+0xcd/0x170 [ 9792.641787][ T7704] do_syscall_64+0xc6/0x1e0 [ 9792.641787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.641787][ T7704] [ 9792.644064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9792.644064][ T7704] netdev_get_by_index+0x5e/0x80 [ 9792.644064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9792.644064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9792.644064][ T7704] ip6_route_add+0x1c/0x140 [ 9792.644064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9792.644064][ T7704] addrconf_add_dev+0xe2/0x170 [ 9792.644064][ T7704] inet6_addr_add+0x12f/0xa40 [ 9792.644064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.644064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.644064][ T7704] netlink_rcv_skb+0x130/0x360 [ 9792.644064][ T7704] netlink_unicast+0x449/0x710 [ 9792.644064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9792.644064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9792.644064][ T7704] ___sys_sendmsg+0xee/0x170 [ 9792.644064][ T7704] __sys_sendmsg+0xcd/0x170 [ 9792.644064][ T7704] do_syscall_64+0xc6/0x1e0 [ 9792.644064][ T7704] [ 9792.646269][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9792.646269][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9792.646269][ T7704] ipv6_find_idev+0x102/0x170 [ 9792.646269][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.646269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.646269][ T7704] netlink_rcv_skb+0x130/0x360 [ 9792.646269][ T7704] netlink_unicast+0x449/0x710 [ 9792.646269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9792.646269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9792.646269][ T7704] ___sys_sendmsg+0xee/0x170 [ 9792.646269][ T7704] __sys_sendmsg+0xcd/0x170 [ 9792.646269][ T7704] do_syscall_64+0xc6/0x1e0 [ 9792.646269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.646269][ T7704] [ 9792.648010][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9792.648010][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9792.648010][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9792.648010][ T7704] ipv6_find_idev+0x102/0x170 [ 9792.648010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.648010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.648010][ T7704] netlink_rcv_skb+0x130/0x360 [ 9792.648010][ T7704] netlink_unicast+0x449/0x710 [ 9792.648010][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9792.648010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9792.648010][ T7704] ___sys_sendmsg+0xee/0x170 [ 9792.648010][ T7704] __sys_sendmsg+0xcd/0x170 [ 9792.648010][ T7704] do_syscall_64+0xc6/0x1e0 [ 9792.648010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.648010][ T7704] [ 9802.886943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9802.887477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9802.887477][ T7704] netdev_get_by_index+0x5e/0x80 [ 9802.887477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9802.887477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9802.887477][ T7704] ip6_route_add+0x1c/0x140 [ 9802.887477][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9802.887477][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9802.887477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.887477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.887477][ T7704] netlink_rcv_skb+0x130/0x360 [ 9802.887477][ T7704] netlink_unicast+0x449/0x710 [ 9802.887477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9802.887477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9802.887477][ T7704] ___sys_sendmsg+0xee/0x170 [ 9802.887477][ T7704] __sys_sendmsg+0xcd/0x170 [ 9802.887477][ T7704] do_syscall_64+0xc6/0x1e0 [ 9802.887477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.887477][ T7704] [ 9802.889761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9802.889761][ T7704] netdev_get_by_index+0x5e/0x80 [ 9802.889761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9802.889761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9802.889761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9802.889761][ T7704] ipv6_add_addr+0x411/0x2000 [ 9802.889761][ T7704] inet6_addr_add+0x30e/0xa40 [ 9802.889761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.889761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.889761][ T7704] netlink_rcv_skb+0x130/0x360 [ 9802.889761][ T7704] netlink_unicast+0x449/0x710 [ 9802.889761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9802.889761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9802.889761][ T7704] ___sys_sendmsg+0xee/0x170 [ 9802.889761][ T7704] __sys_sendmsg+0xcd/0x170 [ 9802.889761][ T7704] do_syscall_64+0xc6/0x1e0 [ 9802.889761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.889761][ T7704] [ 9802.892032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9802.892032][ T7704] netdev_get_by_index+0x5e/0x80 [ 9802.892032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9802.892032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9802.892032][ T7704] ip6_route_add+0x1c/0x140 [ 9802.892032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9802.892032][ T7704] addrconf_add_dev+0xe2/0x170 [ 9802.892032][ T7704] inet6_addr_add+0x12f/0xa40 [ 9802.892032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.892032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.892032][ T7704] netlink_rcv_skb+0x130/0x360 [ 9802.892032][ T7704] netlink_unicast+0x449/0x710 [ 9802.892032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9802.892032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9802.892032][ T7704] ___sys_sendmsg+0xee/0x170 [ 9802.892032][ T7704] __sys_sendmsg+0xcd/0x170 [ 9802.892032][ T7704] do_syscall_64+0xc6/0x1e0 [ 9802.892032][ T7704] [ 9802.894271][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9802.894271][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9802.894271][ T7704] ipv6_find_idev+0x102/0x170 [ 9802.894271][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.894271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.894271][ T7704] netlink_rcv_skb+0x130/0x360 [ 9802.894271][ T7704] netlink_unicast+0x449/0x710 [ 9802.894271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9802.894271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9802.894271][ T7704] ___sys_sendmsg+0xee/0x170 [ 9802.894271][ T7704] __sys_sendmsg+0xcd/0x170 [ 9802.894271][ T7704] do_syscall_64+0xc6/0x1e0 [ 9802.894271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.894271][ T7704] [ 9802.896018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9802.896018][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9802.896018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9802.896018][ T7704] ipv6_find_idev+0x102/0x170 [ 9802.896018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.896018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.896018][ T7704] netlink_rcv_skb+0x130/0x360 [ 9802.896018][ T7704] netlink_unicast+0x449/0x710 [ 9802.896018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9802.896018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9802.896018][ T7704] ___sys_sendmsg+0xee/0x170 [ 9802.896018][ T7704] __sys_sendmsg+0xcd/0x170 [ 9802.896018][ T7704] do_syscall_64+0xc6/0x1e0 [ 9802.896018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.896018][ T7704] [ 9813.134884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9813.135416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9813.135416][ T7704] netdev_get_by_index+0x5e/0x80 [ 9813.135416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9813.135416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9813.135416][ T7704] ip6_route_add+0x1c/0x140 [ 9813.135416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9813.135416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9813.135416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.135416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.135416][ T7704] netlink_rcv_skb+0x130/0x360 [ 9813.135416][ T7704] netlink_unicast+0x449/0x710 [ 9813.135416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9813.135416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9813.135416][ T7704] ___sys_sendmsg+0xee/0x170 [ 9813.135416][ T7704] __sys_sendmsg+0xcd/0x170 [ 9813.135416][ T7704] do_syscall_64+0xc6/0x1e0 [ 9813.135416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.135416][ T7704] [ 9813.137738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9813.137738][ T7704] netdev_get_by_index+0x5e/0x80 [ 9813.137738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9813.137738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9813.137738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9813.137738][ T7704] ipv6_add_addr+0x411/0x2000 [ 9813.137738][ T7704] inet6_addr_add+0x30e/0xa40 [ 9813.137738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.137738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.137738][ T7704] netlink_rcv_skb+0x130/0x360 [ 9813.137738][ T7704] netlink_unicast+0x449/0x710 [ 9813.137738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9813.137738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9813.137738][ T7704] ___sys_sendmsg+0xee/0x170 [ 9813.137738][ T7704] __sys_sendmsg+0xcd/0x170 [ 9813.137738][ T7704] do_syscall_64+0xc6/0x1e0 [ 9813.137738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.137738][ T7704] [ 9813.140022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9813.140022][ T7704] netdev_get_by_index+0x5e/0x80 [ 9813.140022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9813.140022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9813.140022][ T7704] ip6_route_add+0x1c/0x140 [ 9813.140022][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9813.140022][ T7704] addrconf_add_dev+0xe2/0x170 [ 9813.140022][ T7704] inet6_addr_add+0x12f/0xa40 [ 9813.140022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.140022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.140022][ T7704] netlink_rcv_skb+0x130/0x360 [ 9813.140022][ T7704] netlink_unicast+0x449/0x710 [ 9813.140022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9813.140022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9813.140022][ T7704] ___sys_sendmsg+0xee/0x170 [ 9813.140022][ T7704] __sys_sendmsg+0xcd/0x170 [ 9813.140022][ T7704] do_syscall_64+0xc6/0x1e0 [ 9813.140022][ T7704] [ 9813.142251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9813.142251][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9813.142251][ T7704] ipv6_find_idev+0x102/0x170 [ 9813.142251][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.142251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.142251][ T7704] netlink_rcv_skb+0x130/0x360 [ 9813.142251][ T7704] netlink_unicast+0x449/0x710 [ 9813.142251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9813.142251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9813.142251][ T7704] ___sys_sendmsg+0xee/0x170 [ 9813.142251][ T7704] __sys_sendmsg+0xcd/0x170 [ 9813.142251][ T7704] do_syscall_64+0xc6/0x1e0 [ 9813.142251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.142251][ T7704] [ 9813.144017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9813.144017][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9813.144017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9813.144017][ T7704] ipv6_find_idev+0x102/0x170 [ 9813.144017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.144017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.144017][ T7704] netlink_rcv_skb+0x130/0x360 [ 9813.144017][ T7704] netlink_unicast+0x449/0x710 [ 9813.144017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9813.144017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9813.144017][ T7704] ___sys_sendmsg+0xee/0x170 [ 9813.144017][ T7704] __sys_sendmsg+0xcd/0x170 [ 9813.144017][ T7704] do_syscall_64+0xc6/0x1e0 [ 9813.144017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.144017][ T7704] [ 9823.254872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9823.255400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9823.255400][ T7704] netdev_get_by_index+0x5e/0x80 [ 9823.255400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9823.255400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9823.255400][ T7704] ip6_route_add+0x1c/0x140 [ 9823.255400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9823.255400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9823.255400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.255400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.255400][ T7704] netlink_rcv_skb+0x130/0x360 [ 9823.255400][ T7704] netlink_unicast+0x449/0x710 [ 9823.255400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9823.255400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9823.255400][ T7704] ___sys_sendmsg+0xee/0x170 [ 9823.255400][ T7704] __sys_sendmsg+0xcd/0x170 [ 9823.255400][ T7704] do_syscall_64+0xc6/0x1e0 [ 9823.255400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.255400][ T7704] [ 9823.257718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9823.257718][ T7704] netdev_get_by_index+0x5e/0x80 [ 9823.257718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9823.257718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9823.257718][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9823.257718][ T7704] ipv6_add_addr+0x411/0x2000 [ 9823.257718][ T7704] inet6_addr_add+0x30e/0xa40 [ 9823.257718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.257718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.257718][ T7704] netlink_rcv_skb+0x130/0x360 [ 9823.257718][ T7704] netlink_unicast+0x449/0x710 [ 9823.257718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9823.257718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9823.257718][ T7704] ___sys_sendmsg+0xee/0x170 [ 9823.257718][ T7704] __sys_sendmsg+0xcd/0x170 [ 9823.257718][ T7704] do_syscall_64+0xc6/0x1e0 [ 9823.257718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.257718][ T7704] [ 9823.259989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9823.259989][ T7704] netdev_get_by_index+0x5e/0x80 [ 9823.259989][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9823.259989][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9823.259989][ T7704] ip6_route_add+0x1c/0x140 [ 9823.259989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9823.259989][ T7704] addrconf_add_dev+0xe2/0x170 [ 9823.259989][ T7704] inet6_addr_add+0x12f/0xa40 [ 9823.259989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.259989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.259989][ T7704] netlink_rcv_skb+0x130/0x360 [ 9823.259989][ T7704] netlink_unicast+0x449/0x710 [ 9823.259989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9823.259989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9823.259989][ T7704] ___sys_sendmsg+0xee/0x170 [ 9823.259989][ T7704] __sys_sendmsg+0xcd/0x170 [ 9823.259989][ T7704] do_syscall_64+0xc6/0x1e0 [ 9823.259989][ T7704] [ 9823.262212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9823.262212][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9823.262212][ T7704] ipv6_find_idev+0x102/0x170 [ 9823.262212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.262212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.262212][ T7704] netlink_rcv_skb+0x130/0x360 [ 9823.262212][ T7704] netlink_unicast+0x449/0x710 [ 9823.262212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9823.262212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9823.262212][ T7704] ___sys_sendmsg+0xee/0x170 [ 9823.262212][ T7704] __sys_sendmsg+0xcd/0x170 [ 9823.262212][ T7704] do_syscall_64+0xc6/0x1e0 [ 9823.262212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.262212][ T7704] [ 9823.263964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9823.263964][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9823.263964][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9823.263964][ T7704] ipv6_find_idev+0x102/0x170 [ 9823.263964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.263964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.263964][ T7704] netlink_rcv_skb+0x130/0x360 [ 9823.263964][ T7704] netlink_unicast+0x449/0x710 [ 9823.263964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9823.263964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9823.263964][ T7704] ___sys_sendmsg+0xee/0x170 [ 9823.263964][ T7704] __sys_sendmsg+0xcd/0x170 [ 9823.263964][ T7704] do_syscall_64+0xc6/0x1e0 [ 9823.263964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.263964][ T7704] [ 9833.334874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9833.335443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9833.335443][ T7704] netdev_get_by_index+0x5e/0x80 [ 9833.335443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9833.335443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9833.335443][ T7704] ip6_route_add+0x1c/0x140 [ 9833.335443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9833.335443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9833.335443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.335443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.335443][ T7704] netlink_rcv_skb+0x130/0x360 [ 9833.335443][ T7704] netlink_unicast+0x449/0x710 [ 9833.335443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9833.335443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9833.335443][ T7704] ___sys_sendmsg+0xee/0x170 [ 9833.335443][ T7704] __sys_sendmsg+0xcd/0x170 [ 9833.335443][ T7704] do_syscall_64+0xc6/0x1e0 [ 9833.335443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.335443][ T7704] [ 9833.337735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9833.337735][ T7704] netdev_get_by_index+0x5e/0x80 [ 9833.337735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9833.337735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9833.337735][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9833.337735][ T7704] ipv6_add_addr+0x411/0x2000 [ 9833.337735][ T7704] inet6_addr_add+0x30e/0xa40 [ 9833.337735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.337735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.337735][ T7704] netlink_rcv_skb+0x130/0x360 [ 9833.337735][ T7704] netlink_unicast+0x449/0x710 [ 9833.337735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9833.337735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9833.337735][ T7704] ___sys_sendmsg+0xee/0x170 [ 9833.337735][ T7704] __sys_sendmsg+0xcd/0x170 [ 9833.337735][ T7704] do_syscall_64+0xc6/0x1e0 [ 9833.337735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.337735][ T7704] [ 9833.340017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9833.340017][ T7704] netdev_get_by_index+0x5e/0x80 [ 9833.340017][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9833.340017][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9833.340017][ T7704] ip6_route_add+0x1c/0x140 [ 9833.340017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9833.340017][ T7704] addrconf_add_dev+0xe2/0x170 [ 9833.340017][ T7704] inet6_addr_add+0x12f/0xa40 [ 9833.340017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.340017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.340017][ T7704] netlink_rcv_skb+0x130/0x360 [ 9833.340017][ T7704] netlink_unicast+0x449/0x710 [ 9833.340017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9833.340017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9833.340017][ T7704] ___sys_sendmsg+0xee/0x170 [ 9833.340017][ T7704] __sys_sendmsg+0xcd/0x170 [ 9833.340017][ T7704] do_syscall_64+0xc6/0x1e0 [ 9833.340017][ T7704] [ 9833.342255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9833.342255][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9833.342255][ T7704] ipv6_find_idev+0x102/0x170 [ 9833.342255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.342255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.342255][ T7704] netlink_rcv_skb+0x130/0x360 [ 9833.342255][ T7704] netlink_unicast+0x449/0x710 [ 9833.342255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9833.342255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9833.342255][ T7704] ___sys_sendmsg+0xee/0x170 [ 9833.342255][ T7704] __sys_sendmsg+0xcd/0x170 [ 9833.342255][ T7704] do_syscall_64+0xc6/0x1e0 [ 9833.342255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.342255][ T7704] [ 9833.344129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9833.344129][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9833.344129][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9833.344129][ T7704] ipv6_find_idev+0x102/0x170 [ 9833.344129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.344129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.344129][ T7704] netlink_rcv_skb+0x130/0x360 [ 9833.344129][ T7704] netlink_unicast+0x449/0x710 [ 9833.344129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9833.344129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9833.344129][ T7704] ___sys_sendmsg+0xee/0x170 [ 9833.344129][ T7704] __sys_sendmsg+0xcd/0x170 [ 9833.344129][ T7704] do_syscall_64+0xc6/0x1e0 [ 9833.344129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.344129][ T7704] [ 9843.598938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9843.599464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9843.599464][ T7704] netdev_get_by_index+0x5e/0x80 [ 9843.599464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9843.599464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9843.599464][ T7704] ip6_route_add+0x1c/0x140 [ 9843.599464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9843.599464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9843.599464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.599464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.599464][ T7704] netlink_rcv_skb+0x130/0x360 [ 9843.599464][ T7704] netlink_unicast+0x449/0x710 [ 9843.599464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9843.599464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9843.599464][ T7704] ___sys_sendmsg+0xee/0x170 [ 9843.599464][ T7704] __sys_sendmsg+0xcd/0x170 [ 9843.599464][ T7704] do_syscall_64+0xc6/0x1e0 [ 9843.599464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.599464][ T7704] [ 9843.601783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9843.601783][ T7704] netdev_get_by_index+0x5e/0x80 [ 9843.601783][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9843.601783][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9843.601783][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9843.601783][ T7704] ipv6_add_addr+0x411/0x2000 [ 9843.601783][ T7704] inet6_addr_add+0x30e/0xa40 [ 9843.601783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.601783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.601783][ T7704] netlink_rcv_skb+0x130/0x360 [ 9843.601783][ T7704] netlink_unicast+0x449/0x710 [ 9843.601783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9843.601783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9843.601783][ T7704] ___sys_sendmsg+0xee/0x170 [ 9843.601783][ T7704] __sys_sendmsg+0xcd/0x170 [ 9843.601783][ T7704] do_syscall_64+0xc6/0x1e0 [ 9843.601783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.601783][ T7704] [ 9843.604072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9843.604072][ T7704] netdev_get_by_index+0x5e/0x80 [ 9843.604072][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9843.604072][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9843.604072][ T7704] ip6_route_add+0x1c/0x140 [ 9843.604072][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9843.604072][ T7704] addrconf_add_dev+0xe2/0x170 [ 9843.604072][ T7704] inet6_addr_add+0x12f/0xa40 [ 9843.604072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.604072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.604072][ T7704] netlink_rcv_skb+0x130/0x360 [ 9843.604072][ T7704] netlink_unicast+0x449/0x710 [ 9843.604072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9843.604072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9843.604072][ T7704] ___sys_sendmsg+0xee/0x170 [ 9843.604072][ T7704] __sys_sendmsg+0xcd/0x170 [ 9843.604072][ T7704] do_syscall_64+0xc6/0x1e0 [ 9843.604072][ T7704] [ 9843.606312][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9843.606312][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9843.606312][ T7704] ipv6_find_idev+0x102/0x170 [ 9843.606312][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.606312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.606312][ T7704] netlink_rcv_skb+0x130/0x360 [ 9843.606312][ T7704] netlink_unicast+0x449/0x710 [ 9843.606312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9843.606312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9843.606312][ T7704] ___sys_sendmsg+0xee/0x170 [ 9843.606312][ T7704] __sys_sendmsg+0xcd/0x170 [ 9843.606312][ T7704] do_syscall_64+0xc6/0x1e0 [ 9843.606312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.606312][ T7704] [ 9843.608057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9843.608057][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9843.608057][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9843.608057][ T7704] ipv6_find_idev+0x102/0x170 [ 9843.608057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.608057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.608057][ T7704] netlink_rcv_skb+0x130/0x360 [ 9843.608057][ T7704] netlink_unicast+0x449/0x710 [ 9843.608057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9843.608057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9843.608057][ T7704] ___sys_sendmsg+0xee/0x170 [ 9843.608057][ T7704] __sys_sendmsg+0xcd/0x170 [ 9843.608057][ T7704] do_syscall_64+0xc6/0x1e0 [ 9843.608057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.608057][ T7704] [ 9853.862876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9853.863393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9853.863393][ T7704] netdev_get_by_index+0x5e/0x80 [ 9853.863393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9853.863393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9853.863393][ T7704] ip6_route_add+0x1c/0x140 [ 9853.863393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9853.863393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9853.863393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.863393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.863393][ T7704] netlink_rcv_skb+0x130/0x360 [ 9853.863393][ T7704] netlink_unicast+0x449/0x710 [ 9853.863393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9853.863393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9853.863393][ T7704] ___sys_sendmsg+0xee/0x170 [ 9853.863393][ T7704] __sys_sendmsg+0xcd/0x170 [ 9853.863393][ T7704] do_syscall_64+0xc6/0x1e0 [ 9853.863393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.863393][ T7704] [ 9853.865878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9853.865878][ T7704] netdev_get_by_index+0x5e/0x80 [ 9853.865878][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9853.865878][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9853.865878][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9853.865878][ T7704] ipv6_add_addr+0x411/0x2000 [ 9853.865878][ T7704] inet6_addr_add+0x30e/0xa40 [ 9853.865878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.865878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.865878][ T7704] netlink_rcv_skb+0x130/0x360 [ 9853.865878][ T7704] netlink_unicast+0x449/0x710 [ 9853.865878][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9853.865878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9853.865878][ T7704] ___sys_sendmsg+0xee/0x170 [ 9853.865878][ T7704] __sys_sendmsg+0xcd/0x170 [ 9853.865878][ T7704] do_syscall_64+0xc6/0x1e0 [ 9853.865878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.865878][ T7704] [ 9853.868329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9853.868329][ T7704] netdev_get_by_index+0x5e/0x80 [ 9853.868329][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9853.868329][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9853.868329][ T7704] ip6_route_add+0x1c/0x140 [ 9853.868329][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9853.868329][ T7704] addrconf_add_dev+0xe2/0x170 [ 9853.868329][ T7704] inet6_addr_add+0x12f/0xa40 [ 9853.868329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.868329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.868329][ T7704] netlink_rcv_skb+0x130/0x360 [ 9853.868329][ T7704] netlink_unicast+0x449/0x710 [ 9853.868329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9853.868329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9853.868329][ T7704] ___sys_sendmsg+0xee/0x170 [ 9853.868329][ T7704] __sys_sendmsg+0xcd/0x170 [ 9853.868329][ T7704] do_syscall_64+0xc6/0x1e0 [ 9853.868329][ T7704] [ 9853.870736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9853.870736][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9853.870736][ T7704] ipv6_find_idev+0x102/0x170 [ 9853.870736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.870736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.870736][ T7704] netlink_rcv_skb+0x130/0x360 [ 9853.870736][ T7704] netlink_unicast+0x449/0x710 [ 9853.870736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9853.870736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9853.870736][ T7704] ___sys_sendmsg+0xee/0x170 [ 9853.870736][ T7704] __sys_sendmsg+0xcd/0x170 [ 9853.870736][ T7704] do_syscall_64+0xc6/0x1e0 [ 9853.870736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.870736][ T7704] [ 9853.872651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9853.872651][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9853.872651][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9853.872651][ T7704] ipv6_find_idev+0x102/0x170 [ 9853.872651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.872651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.872651][ T7704] netlink_rcv_skb+0x130/0x360 [ 9853.872651][ T7704] netlink_unicast+0x449/0x710 [ 9853.872651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9853.872651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9853.872651][ T7704] ___sys_sendmsg+0xee/0x170 [ 9853.872651][ T7704] __sys_sendmsg+0xcd/0x170 [ 9853.872651][ T7704] do_syscall_64+0xc6/0x1e0 [ 9853.872651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.872651][ T7704] [ 9864.118936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9864.119435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9864.119435][ T7704] netdev_get_by_index+0x5e/0x80 [ 9864.119435][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9864.119435][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9864.119435][ T7704] ip6_route_add+0x1c/0x140 [ 9864.119435][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9864.119435][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9864.119435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.119435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.119435][ T7704] netlink_rcv_skb+0x130/0x360 [ 9864.119435][ T7704] netlink_unicast+0x449/0x710 [ 9864.119435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9864.119435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9864.119435][ T7704] ___sys_sendmsg+0xee/0x170 [ 9864.119435][ T7704] __sys_sendmsg+0xcd/0x170 [ 9864.119435][ T7704] do_syscall_64+0xc6/0x1e0 [ 9864.119435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.119435][ T7704] [ 9864.121950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9864.121950][ T7704] netdev_get_by_index+0x5e/0x80 [ 9864.121950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9864.121950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9864.121950][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9864.121950][ T7704] ipv6_add_addr+0x411/0x2000 [ 9864.121950][ T7704] inet6_addr_add+0x30e/0xa40 [ 9864.121950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.121950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.121950][ T7704] netlink_rcv_skb+0x130/0x360 [ 9864.121950][ T7704] netlink_unicast+0x449/0x710 [ 9864.121950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9864.121950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9864.121950][ T7704] ___sys_sendmsg+0xee/0x170 [ 9864.121950][ T7704] __sys_sendmsg+0xcd/0x170 [ 9864.121950][ T7704] do_syscall_64+0xc6/0x1e0 [ 9864.121950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.121950][ T7704] [ 9864.124453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9864.124453][ T7704] netdev_get_by_index+0x5e/0x80 [ 9864.124453][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9864.124453][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9864.124453][ T7704] ip6_route_add+0x1c/0x140 [ 9864.124453][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9864.124453][ T7704] addrconf_add_dev+0xe2/0x170 [ 9864.124453][ T7704] inet6_addr_add+0x12f/0xa40 [ 9864.124453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.124453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.124453][ T7704] netlink_rcv_skb+0x130/0x360 [ 9864.124453][ T7704] netlink_unicast+0x449/0x710 [ 9864.124453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9864.124453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9864.124453][ T7704] ___sys_sendmsg+0xee/0x170 [ 9864.124453][ T7704] __sys_sendmsg+0xcd/0x170 [ 9864.124453][ T7704] do_syscall_64+0xc6/0x1e0 [ 9864.124453][ T7704] [ 9864.126882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9864.126882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9864.126882][ T7704] ipv6_find_idev+0x102/0x170 [ 9864.126882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.126882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.126882][ T7704] netlink_rcv_skb+0x130/0x360 [ 9864.126882][ T7704] netlink_unicast+0x449/0x710 [ 9864.126882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9864.126882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9864.126882][ T7704] ___sys_sendmsg+0xee/0x170 [ 9864.126882][ T7704] __sys_sendmsg+0xcd/0x170 [ 9864.126882][ T7704] do_syscall_64+0xc6/0x1e0 [ 9864.126882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.126882][ T7704] [ 9864.128791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9864.128791][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9864.128791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9864.128791][ T7704] ipv6_find_idev+0x102/0x170 [ 9864.128791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.128791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.128791][ T7704] netlink_rcv_skb+0x130/0x360 [ 9864.128791][ T7704] netlink_unicast+0x449/0x710 [ 9864.128791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9864.128791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9864.128791][ T7704] ___sys_sendmsg+0xee/0x170 [ 9864.128791][ T7704] __sys_sendmsg+0xcd/0x170 [ 9864.128791][ T7704] do_syscall_64+0xc6/0x1e0 [ 9864.128791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.128791][ T7704] [ 9874.222935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9874.223454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9874.223454][ T7704] netdev_get_by_index+0x5e/0x80 [ 9874.223454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9874.223454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9874.223454][ T7704] ip6_route_add+0x1c/0x140 [ 9874.223454][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9874.223454][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9874.223454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.223454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.223454][ T7704] netlink_rcv_skb+0x130/0x360 [ 9874.223454][ T7704] netlink_unicast+0x449/0x710 [ 9874.223454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9874.223454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9874.223454][ T7704] ___sys_sendmsg+0xee/0x170 [ 9874.223454][ T7704] __sys_sendmsg+0xcd/0x170 [ 9874.223454][ T7704] do_syscall_64+0xc6/0x1e0 [ 9874.223454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.223454][ T7704] [ 9874.226047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9874.226047][ T7704] netdev_get_by_index+0x5e/0x80 [ 9874.226047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9874.226047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9874.226047][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9874.226047][ T7704] ipv6_add_addr+0x411/0x2000 [ 9874.226047][ T7704] inet6_addr_add+0x30e/0xa40 [ 9874.226047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.226047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.226047][ T7704] netlink_rcv_skb+0x130/0x360 [ 9874.226047][ T7704] netlink_unicast+0x449/0x710 [ 9874.226047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9874.226047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9874.226047][ T7704] ___sys_sendmsg+0xee/0x170 [ 9874.226047][ T7704] __sys_sendmsg+0xcd/0x170 [ 9874.226047][ T7704] do_syscall_64+0xc6/0x1e0 [ 9874.226047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.226047][ T7704] [ 9874.228527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9874.228527][ T7704] netdev_get_by_index+0x5e/0x80 [ 9874.228527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9874.228527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9874.228527][ T7704] ip6_route_add+0x1c/0x140 [ 9874.228527][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9874.228527][ T7704] addrconf_add_dev+0xe2/0x170 [ 9874.228527][ T7704] inet6_addr_add+0x12f/0xa40 [ 9874.228527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.228527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.228527][ T7704] netlink_rcv_skb+0x130/0x360 [ 9874.228527][ T7704] netlink_unicast+0x449/0x710 [ 9874.228527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9874.228527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9874.228527][ T7704] ___sys_sendmsg+0xee/0x170 [ 9874.228527][ T7704] __sys_sendmsg+0xcd/0x170 [ 9874.228527][ T7704] do_syscall_64+0xc6/0x1e0 [ 9874.228527][ T7704] [ 9874.230953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9874.230953][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9874.230953][ T7704] ipv6_find_idev+0x102/0x170 [ 9874.230953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.230953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.230953][ T7704] netlink_rcv_skb+0x130/0x360 [ 9874.230953][ T7704] netlink_unicast+0x449/0x710 [ 9874.230953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9874.230953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9874.230953][ T7704] ___sys_sendmsg+0xee/0x170 [ 9874.230953][ T7704] __sys_sendmsg+0xcd/0x170 [ 9874.230953][ T7704] do_syscall_64+0xc6/0x1e0 [ 9874.230953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.230953][ T7704] [ 9874.232846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9874.232846][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9874.232846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9874.232846][ T7704] ipv6_find_idev+0x102/0x170 [ 9874.232846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.232846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.232846][ T7704] netlink_rcv_skb+0x130/0x360 [ 9874.232846][ T7704] netlink_unicast+0x449/0x710 [ 9874.232846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9874.232846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9874.232846][ T7704] ___sys_sendmsg+0xee/0x170 [ 9874.232846][ T7704] __sys_sendmsg+0xcd/0x170 [ 9874.232846][ T7704] do_syscall_64+0xc6/0x1e0 [ 9874.232846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.232846][ T7704] [ 9884.470944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9884.471433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9884.471433][ T7704] netdev_get_by_index+0x5e/0x80 [ 9884.471433][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9884.471433][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9884.471433][ T7704] ip6_route_add+0x1c/0x140 [ 9884.471433][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9884.471433][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9884.471433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.471433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.471433][ T7704] netlink_rcv_skb+0x130/0x360 [ 9884.471433][ T7704] netlink_unicast+0x449/0x710 [ 9884.471433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9884.471433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9884.471433][ T7704] ___sys_sendmsg+0xee/0x170 [ 9884.471433][ T7704] __sys_sendmsg+0xcd/0x170 [ 9884.471433][ T7704] do_syscall_64+0xc6/0x1e0 [ 9884.471433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.471433][ T7704] [ 9884.473920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9884.473920][ T7704] netdev_get_by_index+0x5e/0x80 [ 9884.473920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9884.473920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9884.473920][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9884.473920][ T7704] ipv6_add_addr+0x411/0x2000 [ 9884.473920][ T7704] inet6_addr_add+0x30e/0xa40 [ 9884.473920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.473920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.473920][ T7704] netlink_rcv_skb+0x130/0x360 [ 9884.473920][ T7704] netlink_unicast+0x449/0x710 [ 9884.473920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9884.473920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9884.473920][ T7704] ___sys_sendmsg+0xee/0x170 [ 9884.473920][ T7704] __sys_sendmsg+0xcd/0x170 [ 9884.473920][ T7704] do_syscall_64+0xc6/0x1e0 [ 9884.473920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.473920][ T7704] [ 9884.476364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9884.476364][ T7704] netdev_get_by_index+0x5e/0x80 [ 9884.476364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9884.476364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9884.476364][ T7704] ip6_route_add+0x1c/0x140 [ 9884.476364][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9884.476364][ T7704] addrconf_add_dev+0xe2/0x170 [ 9884.476364][ T7704] inet6_addr_add+0x12f/0xa40 [ 9884.476364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.476364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.476364][ T7704] netlink_rcv_skb+0x130/0x360 [ 9884.476364][ T7704] netlink_unicast+0x449/0x710 [ 9884.476364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9884.476364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9884.476364][ T7704] ___sys_sendmsg+0xee/0x170 [ 9884.476364][ T7704] __sys_sendmsg+0xcd/0x170 [ 9884.476364][ T7704] do_syscall_64+0xc6/0x1e0 [ 9884.476364][ T7704] [ 9884.478759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9884.478759][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9884.478759][ T7704] ipv6_find_idev+0x102/0x170 [ 9884.478759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.478759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.478759][ T7704] netlink_rcv_skb+0x130/0x360 [ 9884.478759][ T7704] netlink_unicast+0x449/0x710 [ 9884.478759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9884.478759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9884.478759][ T7704] ___sys_sendmsg+0xee/0x170 [ 9884.478759][ T7704] __sys_sendmsg+0xcd/0x170 [ 9884.478759][ T7704] do_syscall_64+0xc6/0x1e0 [ 9884.478759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.478759][ T7704] [ 9884.480632][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9884.480632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9884.480632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9884.480632][ T7704] ipv6_find_idev+0x102/0x170 [ 9884.480632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.480632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.480632][ T7704] netlink_rcv_skb+0x130/0x360 [ 9884.480632][ T7704] netlink_unicast+0x449/0x710 [ 9884.480632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9884.480632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9884.480632][ T7704] ___sys_sendmsg+0xee/0x170 [ 9884.480632][ T7704] __sys_sendmsg+0xcd/0x170 [ 9884.480632][ T7704] do_syscall_64+0xc6/0x1e0 [ 9884.480632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.480632][ T7704] [ 9894.718943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9894.719442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9894.719442][ T7704] netdev_get_by_index+0x5e/0x80 [ 9894.719442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9894.719442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9894.719442][ T7704] ip6_route_add+0x1c/0x140 [ 9894.719442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9894.719442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9894.719442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.719442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.719442][ T7704] netlink_rcv_skb+0x130/0x360 [ 9894.719442][ T7704] netlink_unicast+0x449/0x710 [ 9894.719442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9894.719442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9894.719442][ T7704] ___sys_sendmsg+0xee/0x170 [ 9894.719442][ T7704] __sys_sendmsg+0xcd/0x170 [ 9894.719442][ T7704] do_syscall_64+0xc6/0x1e0 [ 9894.719442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.719442][ T7704] [ 9894.721929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9894.721929][ T7704] netdev_get_by_index+0x5e/0x80 [ 9894.721929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9894.721929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9894.721929][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9894.721929][ T7704] ipv6_add_addr+0x411/0x2000 [ 9894.721929][ T7704] inet6_addr_add+0x30e/0xa40 [ 9894.721929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.721929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.721929][ T7704] netlink_rcv_skb+0x130/0x360 [ 9894.721929][ T7704] netlink_unicast+0x449/0x710 [ 9894.721929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9894.721929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9894.721929][ T7704] ___sys_sendmsg+0xee/0x170 [ 9894.721929][ T7704] __sys_sendmsg+0xcd/0x170 [ 9894.721929][ T7704] do_syscall_64+0xc6/0x1e0 [ 9894.721929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.721929][ T7704] [ 9894.724384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9894.724384][ T7704] netdev_get_by_index+0x5e/0x80 [ 9894.724384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9894.724384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9894.724384][ T7704] ip6_route_add+0x1c/0x140 [ 9894.724384][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9894.724384][ T7704] addrconf_add_dev+0xe2/0x170 [ 9894.724384][ T7704] inet6_addr_add+0x12f/0xa40 [ 9894.724384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.724384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.724384][ T7704] netlink_rcv_skb+0x130/0x360 [ 9894.724384][ T7704] netlink_unicast+0x449/0x710 [ 9894.724384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9894.724384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9894.724384][ T7704] ___sys_sendmsg+0xee/0x170 [ 9894.724384][ T7704] __sys_sendmsg+0xcd/0x170 [ 9894.724384][ T7704] do_syscall_64+0xc6/0x1e0 [ 9894.724384][ T7704] [ 9894.726798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9894.726798][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9894.726798][ T7704] ipv6_find_idev+0x102/0x170 [ 9894.726798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.726798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.726798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9894.726798][ T7704] netlink_unicast+0x449/0x710 [ 9894.726798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9894.726798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9894.726798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9894.726798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9894.726798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9894.726798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.726798][ T7704] [ 9894.728681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9894.728681][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9894.728681][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9894.728681][ T7704] ipv6_find_idev+0x102/0x170 [ 9894.728681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.728681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.728681][ T7704] netlink_rcv_skb+0x130/0x360 [ 9894.728681][ T7704] netlink_unicast+0x449/0x710 [ 9894.728681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9894.728681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9894.728681][ T7704] ___sys_sendmsg+0xee/0x170 [ 9894.728681][ T7704] __sys_sendmsg+0xcd/0x170 [ 9894.728681][ T7704] do_syscall_64+0xc6/0x1e0 [ 9894.728681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.728681][ T7704] [ 9904.966961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9904.967463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9904.967463][ T7704] netdev_get_by_index+0x5e/0x80 [ 9904.967463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9904.967463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9904.967463][ T7704] ip6_route_add+0x1c/0x140 [ 9904.967463][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9904.967463][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9904.967463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.967463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.967463][ T7704] netlink_rcv_skb+0x130/0x360 [ 9904.967463][ T7704] netlink_unicast+0x449/0x710 [ 9904.967463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9904.967463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9904.967463][ T7704] ___sys_sendmsg+0xee/0x170 [ 9904.967463][ T7704] __sys_sendmsg+0xcd/0x170 [ 9904.967463][ T7704] do_syscall_64+0xc6/0x1e0 [ 9904.967463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.967463][ T7704] [ 9904.969942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9904.969942][ T7704] netdev_get_by_index+0x5e/0x80 [ 9904.969942][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9904.969942][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9904.969942][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9904.969942][ T7704] ipv6_add_addr+0x411/0x2000 [ 9904.969942][ T7704] inet6_addr_add+0x30e/0xa40 [ 9904.969942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.969942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.969942][ T7704] netlink_rcv_skb+0x130/0x360 [ 9904.969942][ T7704] netlink_unicast+0x449/0x710 [ 9904.969942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9904.969942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9904.969942][ T7704] ___sys_sendmsg+0xee/0x170 [ 9904.969942][ T7704] __sys_sendmsg+0xcd/0x170 [ 9904.969942][ T7704] do_syscall_64+0xc6/0x1e0 [ 9904.969942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.969942][ T7704] [ 9904.972389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9904.972389][ T7704] netdev_get_by_index+0x5e/0x80 [ 9904.972389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9904.972389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9904.972389][ T7704] ip6_route_add+0x1c/0x140 [ 9904.972389][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9904.972389][ T7704] addrconf_add_dev+0xe2/0x170 [ 9904.972389][ T7704] inet6_addr_add+0x12f/0xa40 [ 9904.972389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.972389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.972389][ T7704] netlink_rcv_skb+0x130/0x360 [ 9904.972389][ T7704] netlink_unicast+0x449/0x710 [ 9904.972389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9904.972389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9904.972389][ T7704] ___sys_sendmsg+0xee/0x170 [ 9904.972389][ T7704] __sys_sendmsg+0xcd/0x170 [ 9904.972389][ T7704] do_syscall_64+0xc6/0x1e0 [ 9904.972389][ T7704] [ 9904.974804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9904.974804][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9904.974804][ T7704] ipv6_find_idev+0x102/0x170 [ 9904.974804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9904.974804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.974804][ T7704] netlink_rcv_skb+0x130/0x360 [ 9904.974804][ T7704] netlink_unicast+0x449/0x710 [ 9904.974804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9904.974804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9904.974804][ T7704] ___sys_sendmsg+0xee/0x170 [ 9904.974804][ T7704] __sys_sendmsg+0xcd/0x170 [ 9904.974804][ T7704] do_syscall_64+0xc6/0x1e0 [ 9904.974804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.974804][ T7704] [ 9904.976696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9904.976696][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9904.976696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9904.976696][ T7704] ipv6_find_idev+0x102/0x170 [ 9904.976696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9904.976696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.976696][ T7704] netlink_rcv_skb+0x130/0x360 [ 9904.976696][ T7704] netlink_unicast+0x449/0x710 [ 9904.976696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9904.976696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9904.976696][ T7704] ___sys_sendmsg+0xee/0x170 [ 9904.976696][ T7704] __sys_sendmsg+0xcd/0x170 [ 9904.976696][ T7704] do_syscall_64+0xc6/0x1e0 [ 9904.976696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.976696][ T7704] [ 9915.214944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9915.215990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9915.215990][ T7704] netdev_get_by_index+0x5e/0x80 [ 9915.215990][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9915.215990][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9915.215990][ T7704] ip6_route_add+0x1c/0x140 [ 9915.215990][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9915.215990][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9915.215990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.215990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.215990][ T7704] netlink_rcv_skb+0x130/0x360 [ 9915.215990][ T7704] netlink_unicast+0x449/0x710 [ 9915.215990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9915.215990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9915.215990][ T7704] ___sys_sendmsg+0xee/0x170 [ 9915.215990][ T7704] __sys_sendmsg+0xcd/0x170 [ 9915.215990][ T7704] do_syscall_64+0xc6/0x1e0 [ 9915.215990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.215990][ T7704] [ 9915.218474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9915.218474][ T7704] netdev_get_by_index+0x5e/0x80 [ 9915.218474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9915.218474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9915.218474][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9915.218474][ T7704] ipv6_add_addr+0x411/0x2000 [ 9915.218474][ T7704] inet6_addr_add+0x30e/0xa40 [ 9915.218474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.218474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.218474][ T7704] netlink_rcv_skb+0x130/0x360 [ 9915.218474][ T7704] netlink_unicast+0x449/0x710 [ 9915.218474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9915.218474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9915.218474][ T7704] ___sys_sendmsg+0xee/0x170 [ 9915.218474][ T7704] __sys_sendmsg+0xcd/0x170 [ 9915.218474][ T7704] do_syscall_64+0xc6/0x1e0 [ 9915.218474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.218474][ T7704] [ 9915.222761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9915.222761][ T7704] netdev_get_by_index+0x5e/0x80 [ 9915.222761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9915.222761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9915.222761][ T7704] ip6_route_add+0x1c/0x140 [ 9915.222761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9915.222761][ T7704] addrconf_add_dev+0xe2/0x170 [ 9915.222761][ T7704] inet6_addr_add+0x12f/0xa40 [ 9915.222761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.222761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.222761][ T7704] netlink_rcv_skb+0x130/0x360 [ 9915.222761][ T7704] netlink_unicast+0x449/0x710 [ 9915.222761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9915.222761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9915.222761][ T7704] ___sys_sendmsg+0xee/0x170 [ 9915.222761][ T7704] __sys_sendmsg+0xcd/0x170 [ 9915.222761][ T7704] do_syscall_64+0xc6/0x1e0 [ 9915.222761][ T7704] [ 9915.225204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9915.225204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9915.225204][ T7704] ipv6_find_idev+0x102/0x170 [ 9915.225204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.225204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.225204][ T7704] netlink_rcv_skb+0x130/0x360 [ 9915.225204][ T7704] netlink_unicast+0x449/0x710 [ 9915.225204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9915.225204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9915.225204][ T7704] ___sys_sendmsg+0xee/0x170 [ 9915.225204][ T7704] __sys_sendmsg+0xcd/0x170 [ 9915.225204][ T7704] do_syscall_64+0xc6/0x1e0 [ 9915.225204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.225204][ T7704] [ 9915.227107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9915.227107][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9915.227107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9915.227107][ T7704] ipv6_find_idev+0x102/0x170 [ 9915.227107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.227107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.227107][ T7704] netlink_rcv_skb+0x130/0x360 [ 9915.227107][ T7704] netlink_unicast+0x449/0x710 [ 9915.227107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9915.227107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9915.227107][ T7704] ___sys_sendmsg+0xee/0x170 [ 9915.227107][ T7704] __sys_sendmsg+0xcd/0x170 [ 9915.227107][ T7704] do_syscall_64+0xc6/0x1e0 [ 9915.227107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.227107][ T7704] [ 9925.470953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9925.471452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9925.471452][ T7704] netdev_get_by_index+0x5e/0x80 [ 9925.471452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9925.471452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9925.471452][ T7704] ip6_route_add+0x1c/0x140 [ 9925.471452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9925.471452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9925.471452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.471452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.471452][ T7704] netlink_rcv_skb+0x130/0x360 [ 9925.471452][ T7704] netlink_unicast+0x449/0x710 [ 9925.471452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9925.471452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9925.471452][ T7704] ___sys_sendmsg+0xee/0x170 [ 9925.471452][ T7704] __sys_sendmsg+0xcd/0x170 [ 9925.471452][ T7704] do_syscall_64+0xc6/0x1e0 [ 9925.471452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.471452][ T7704] [ 9925.473944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9925.473944][ T7704] netdev_get_by_index+0x5e/0x80 [ 9925.473944][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9925.473944][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9925.473944][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9925.473944][ T7704] ipv6_add_addr+0x411/0x2000 [ 9925.473944][ T7704] inet6_addr_add+0x30e/0xa40 [ 9925.473944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.473944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.473944][ T7704] netlink_rcv_skb+0x130/0x360 [ 9925.473944][ T7704] netlink_unicast+0x449/0x710 [ 9925.473944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9925.473944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9925.473944][ T7704] ___sys_sendmsg+0xee/0x170 [ 9925.473944][ T7704] __sys_sendmsg+0xcd/0x170 [ 9925.473944][ T7704] do_syscall_64+0xc6/0x1e0 [ 9925.473944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.473944][ T7704] [ 9925.476405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9925.476405][ T7704] netdev_get_by_index+0x5e/0x80 [ 9925.476405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9925.476405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9925.476405][ T7704] ip6_route_add+0x1c/0x140 [ 9925.476405][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9925.476405][ T7704] addrconf_add_dev+0xe2/0x170 [ 9925.476405][ T7704] inet6_addr_add+0x12f/0xa40 [ 9925.476405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.476405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.476405][ T7704] netlink_rcv_skb+0x130/0x360 [ 9925.476405][ T7704] netlink_unicast+0x449/0x710 [ 9925.476405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9925.476405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9925.476405][ T7704] ___sys_sendmsg+0xee/0x170 [ 9925.476405][ T7704] __sys_sendmsg+0xcd/0x170 [ 9925.476405][ T7704] do_syscall_64+0xc6/0x1e0 [ 9925.476405][ T7704] [ 9925.478813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9925.478813][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9925.478813][ T7704] ipv6_find_idev+0x102/0x170 [ 9925.478813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.478813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.478813][ T7704] netlink_rcv_skb+0x130/0x360 [ 9925.478813][ T7704] netlink_unicast+0x449/0x710 [ 9925.478813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9925.478813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9925.478813][ T7704] ___sys_sendmsg+0xee/0x170 [ 9925.478813][ T7704] __sys_sendmsg+0xcd/0x170 [ 9925.478813][ T7704] do_syscall_64+0xc6/0x1e0 [ 9925.478813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.478813][ T7704] [ 9925.481221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9925.481221][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9925.481221][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9925.481221][ T7704] ipv6_find_idev+0x102/0x170 [ 9925.481221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.481221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.481221][ T7704] netlink_rcv_skb+0x130/0x360 [ 9925.481221][ T7704] netlink_unicast+0x449/0x710 [ 9925.481221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9925.481221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9925.481221][ T7704] ___sys_sendmsg+0xee/0x170 [ 9925.481221][ T7704] __sys_sendmsg+0xcd/0x170 [ 9925.481221][ T7704] do_syscall_64+0xc6/0x1e0 [ 9925.481221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.481221][ T7704] [ 9935.734930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9935.735391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9935.735391][ T7704] netdev_get_by_index+0x5e/0x80 [ 9935.735391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9935.735391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9935.735391][ T7704] ip6_route_add+0x1c/0x140 [ 9935.735391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9935.735391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9935.735391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.735391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.735391][ T7704] netlink_rcv_skb+0x130/0x360 [ 9935.735391][ T7704] netlink_unicast+0x449/0x710 [ 9935.735391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9935.735391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9935.735391][ T7704] ___sys_sendmsg+0xee/0x170 [ 9935.735391][ T7704] __sys_sendmsg+0xcd/0x170 [ 9935.735391][ T7704] do_syscall_64+0xc6/0x1e0 [ 9935.735391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.735391][ T7704] [ 9935.737871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9935.737871][ T7704] netdev_get_by_index+0x5e/0x80 [ 9935.737871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9935.737871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9935.737871][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9935.737871][ T7704] ipv6_add_addr+0x411/0x2000 [ 9935.737871][ T7704] inet6_addr_add+0x30e/0xa40 [ 9935.737871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.737871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.737871][ T7704] netlink_rcv_skb+0x130/0x360 [ 9935.737871][ T7704] netlink_unicast+0x449/0x710 [ 9935.737871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9935.737871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9935.737871][ T7704] ___sys_sendmsg+0xee/0x170 [ 9935.737871][ T7704] __sys_sendmsg+0xcd/0x170 [ 9935.737871][ T7704] do_syscall_64+0xc6/0x1e0 [ 9935.737871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.737871][ T7704] [ 9935.740320][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9935.740320][ T7704] netdev_get_by_index+0x5e/0x80 [ 9935.740320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9935.740320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9935.740320][ T7704] ip6_route_add+0x1c/0x140 [ 9935.740320][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9935.740320][ T7704] addrconf_add_dev+0xe2/0x170 [ 9935.740320][ T7704] inet6_addr_add+0x12f/0xa40 [ 9935.740320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.740320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.740320][ T7704] netlink_rcv_skb+0x130/0x360 [ 9935.740320][ T7704] netlink_unicast+0x449/0x710 [ 9935.740320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9935.740320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9935.740320][ T7704] ___sys_sendmsg+0xee/0x170 [ 9935.740320][ T7704] __sys_sendmsg+0xcd/0x170 [ 9935.740320][ T7704] do_syscall_64+0xc6/0x1e0 [ 9935.740320][ T7704] [ 9935.742735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9935.742735][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9935.742735][ T7704] ipv6_find_idev+0x102/0x170 [ 9935.742735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.742735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.742735][ T7704] netlink_rcv_skb+0x130/0x360 [ 9935.742735][ T7704] netlink_unicast+0x449/0x710 [ 9935.742735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9935.742735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9935.742735][ T7704] ___sys_sendmsg+0xee/0x170 [ 9935.742735][ T7704] __sys_sendmsg+0xcd/0x170 [ 9935.742735][ T7704] do_syscall_64+0xc6/0x1e0 [ 9935.742735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.742735][ T7704] [ 9935.744643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9935.744643][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9935.744643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9935.744643][ T7704] ipv6_find_idev+0x102/0x170 [ 9935.744643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.744643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.744643][ T7704] netlink_rcv_skb+0x130/0x360 [ 9935.744643][ T7704] netlink_unicast+0x449/0x710 [ 9935.744643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9935.744643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9935.744643][ T7704] ___sys_sendmsg+0xee/0x170 [ 9935.744643][ T7704] __sys_sendmsg+0xcd/0x170 [ 9935.744643][ T7704] do_syscall_64+0xc6/0x1e0 [ 9935.744643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.744643][ T7704] [ 9945.982948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9945.983470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9945.983470][ T7704] netdev_get_by_index+0x5e/0x80 [ 9945.983470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9945.983470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9945.983470][ T7704] ip6_route_add+0x1c/0x140 [ 9945.983470][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9945.983470][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9945.983470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.983470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.983470][ T7704] netlink_rcv_skb+0x130/0x360 [ 9945.983470][ T7704] netlink_unicast+0x449/0x710 [ 9945.983470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9945.983470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9945.983470][ T7704] ___sys_sendmsg+0xee/0x170 [ 9945.983470][ T7704] __sys_sendmsg+0xcd/0x170 [ 9945.983470][ T7704] do_syscall_64+0xc6/0x1e0 [ 9945.983470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.983470][ T7704] [ 9945.986583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9945.986583][ T7704] netdev_get_by_index+0x5e/0x80 [ 9945.986583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9945.986583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9945.986583][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9945.986583][ T7704] ipv6_add_addr+0x411/0x2000 [ 9945.986583][ T7704] inet6_addr_add+0x30e/0xa40 [ 9945.986583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.986583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.986583][ T7704] netlink_rcv_skb+0x130/0x360 [ 9945.986583][ T7704] netlink_unicast+0x449/0x710 [ 9945.986583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9945.986583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9945.986583][ T7704] ___sys_sendmsg+0xee/0x170 [ 9945.986583][ T7704] __sys_sendmsg+0xcd/0x170 [ 9945.986583][ T7704] do_syscall_64+0xc6/0x1e0 [ 9945.986583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.986583][ T7704] [ 9945.989047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9945.989047][ T7704] netdev_get_by_index+0x5e/0x80 [ 9945.989047][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9945.989047][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9945.989047][ T7704] ip6_route_add+0x1c/0x140 [ 9945.989047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9945.989047][ T7704] addrconf_add_dev+0xe2/0x170 [ 9945.989047][ T7704] inet6_addr_add+0x12f/0xa40 [ 9945.989047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.989047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.989047][ T7704] netlink_rcv_skb+0x130/0x360 [ 9945.989047][ T7704] netlink_unicast+0x449/0x710 [ 9945.989047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9945.989047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9945.989047][ T7704] ___sys_sendmsg+0xee/0x170 [ 9945.989047][ T7704] __sys_sendmsg+0xcd/0x170 [ 9945.989047][ T7704] do_syscall_64+0xc6/0x1e0 [ 9945.989047][ T7704] [ 9945.991447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9945.991447][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9945.991447][ T7704] ipv6_find_idev+0x102/0x170 [ 9945.991447][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9945.991447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.991447][ T7704] netlink_rcv_skb+0x130/0x360 [ 9945.991447][ T7704] netlink_unicast+0x449/0x710 [ 9945.991447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9945.991447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9945.991447][ T7704] ___sys_sendmsg+0xee/0x170 [ 9945.991447][ T7704] __sys_sendmsg+0xcd/0x170 [ 9945.991447][ T7704] do_syscall_64+0xc6/0x1e0 [ 9945.991447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.991447][ T7704] [ 9945.993339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9945.993339][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9945.993339][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9945.993339][ T7704] ipv6_find_idev+0x102/0x170 [ 9945.993339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9945.993339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.993339][ T7704] netlink_rcv_skb+0x130/0x360 [ 9945.993339][ T7704] netlink_unicast+0x449/0x710 [ 9945.993339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9945.993339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9945.993339][ T7704] ___sys_sendmsg+0xee/0x170 [ 9945.993339][ T7704] __sys_sendmsg+0xcd/0x170 [ 9945.993339][ T7704] do_syscall_64+0xc6/0x1e0 [ 9945.993339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.993339][ T7704] [ 9956.030945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9956.031438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9956.031438][ T7704] netdev_get_by_index+0x5e/0x80 [ 9956.031438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9956.031438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9956.031438][ T7704] ip6_route_add+0x1c/0x140 [ 9956.031438][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9956.031438][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9956.031438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.031438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.031438][ T7704] netlink_rcv_skb+0x130/0x360 [ 9956.031438][ T7704] netlink_unicast+0x449/0x710 [ 9956.031438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9956.031438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9956.031438][ T7704] ___sys_sendmsg+0xee/0x170 [ 9956.031438][ T7704] __sys_sendmsg+0xcd/0x170 [ 9956.031438][ T7704] do_syscall_64+0xc6/0x1e0 [ 9956.031438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.031438][ T7704] [ 9956.033947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9956.033947][ T7704] netdev_get_by_index+0x5e/0x80 [ 9956.033947][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9956.033947][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9956.033947][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9956.033947][ T7704] ipv6_add_addr+0x411/0x2000 [ 9956.033947][ T7704] inet6_addr_add+0x30e/0xa40 [ 9956.033947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.033947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.033947][ T7704] netlink_rcv_skb+0x130/0x360 [ 9956.033947][ T7704] netlink_unicast+0x449/0x710 [ 9956.033947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9956.033947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9956.033947][ T7704] ___sys_sendmsg+0xee/0x170 [ 9956.033947][ T7704] __sys_sendmsg+0xcd/0x170 [ 9956.033947][ T7704] do_syscall_64+0xc6/0x1e0 [ 9956.033947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.033947][ T7704] [ 9956.036423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9956.036423][ T7704] netdev_get_by_index+0x5e/0x80 [ 9956.036423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9956.036423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9956.036423][ T7704] ip6_route_add+0x1c/0x140 [ 9956.036423][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9956.036423][ T7704] addrconf_add_dev+0xe2/0x170 [ 9956.036423][ T7704] inet6_addr_add+0x12f/0xa40 [ 9956.036423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.036423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.036423][ T7704] netlink_rcv_skb+0x130/0x360 [ 9956.036423][ T7704] netlink_unicast+0x449/0x710 [ 9956.036423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9956.036423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9956.036423][ T7704] ___sys_sendmsg+0xee/0x170 [ 9956.036423][ T7704] __sys_sendmsg+0xcd/0x170 [ 9956.036423][ T7704] do_syscall_64+0xc6/0x1e0 [ 9956.036423][ T7704] [ 9956.038855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9956.038855][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9956.038855][ T7704] ipv6_find_idev+0x102/0x170 [ 9956.038855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.038855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.038855][ T7704] netlink_rcv_skb+0x130/0x360 [ 9956.038855][ T7704] netlink_unicast+0x449/0x710 [ 9956.038855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9956.038855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9956.038855][ T7704] ___sys_sendmsg+0xee/0x170 [ 9956.038855][ T7704] __sys_sendmsg+0xcd/0x170 [ 9956.038855][ T7704] do_syscall_64+0xc6/0x1e0 [ 9956.038855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.038855][ T7704] [ 9956.040773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9956.040773][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9956.040773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9956.040773][ T7704] ipv6_find_idev+0x102/0x170 [ 9956.040773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.040773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.040773][ T7704] netlink_rcv_skb+0x130/0x360 [ 9956.040773][ T7704] netlink_unicast+0x449/0x710 [ 9956.040773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9956.040773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9956.040773][ T7704] ___sys_sendmsg+0xee/0x170 [ 9956.040773][ T7704] __sys_sendmsg+0xcd/0x170 [ 9956.040773][ T7704] do_syscall_64+0xc6/0x1e0 [ 9956.040773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.040773][ T7704] [ 9966.142940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9966.143446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9966.143446][ T7704] netdev_get_by_index+0x5e/0x80 [ 9966.143446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9966.143446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9966.143446][ T7704] ip6_route_add+0x1c/0x140 [ 9966.143446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9966.143446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9966.143446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.143446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.143446][ T7704] netlink_rcv_skb+0x130/0x360 [ 9966.143446][ T7704] netlink_unicast+0x449/0x710 [ 9966.143446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9966.143446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9966.143446][ T7704] ___sys_sendmsg+0xee/0x170 [ 9966.143446][ T7704] __sys_sendmsg+0xcd/0x170 [ 9966.143446][ T7704] do_syscall_64+0xc6/0x1e0 [ 9966.143446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.143446][ T7704] [ 9966.145955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9966.145955][ T7704] netdev_get_by_index+0x5e/0x80 [ 9966.145955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9966.145955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9966.145955][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9966.145955][ T7704] ipv6_add_addr+0x411/0x2000 [ 9966.145955][ T7704] inet6_addr_add+0x30e/0xa40 [ 9966.145955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.145955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.145955][ T7704] netlink_rcv_skb+0x130/0x360 [ 9966.145955][ T7704] netlink_unicast+0x449/0x710 [ 9966.145955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9966.145955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9966.145955][ T7704] ___sys_sendmsg+0xee/0x170 [ 9966.145955][ T7704] __sys_sendmsg+0xcd/0x170 [ 9966.145955][ T7704] do_syscall_64+0xc6/0x1e0 [ 9966.145955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.145955][ T7704] [ 9966.148440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9966.148440][ T7704] netdev_get_by_index+0x5e/0x80 [ 9966.148440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9966.148440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9966.148440][ T7704] ip6_route_add+0x1c/0x140 [ 9966.148440][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9966.148440][ T7704] addrconf_add_dev+0xe2/0x170 [ 9966.148440][ T7704] inet6_addr_add+0x12f/0xa40 [ 9966.148440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.148440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.148440][ T7704] netlink_rcv_skb+0x130/0x360 [ 9966.148440][ T7704] netlink_unicast+0x449/0x710 [ 9966.148440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9966.148440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9966.148440][ T7704] ___sys_sendmsg+0xee/0x170 [ 9966.148440][ T7704] __sys_sendmsg+0xcd/0x170 [ 9966.148440][ T7704] do_syscall_64+0xc6/0x1e0 [ 9966.148440][ T7704] [ 9966.150877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9966.150877][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9966.150877][ T7704] ipv6_find_idev+0x102/0x170 [ 9966.150877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.150877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.150877][ T7704] netlink_rcv_skb+0x130/0x360 [ 9966.150877][ T7704] netlink_unicast+0x449/0x710 [ 9966.150877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9966.150877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9966.150877][ T7704] ___sys_sendmsg+0xee/0x170 [ 9966.150877][ T7704] __sys_sendmsg+0xcd/0x170 [ 9966.150877][ T7704] do_syscall_64+0xc6/0x1e0 [ 9966.150877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.150877][ T7704] [ 9966.152759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9966.152759][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9966.152759][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9966.152759][ T7704] ipv6_find_idev+0x102/0x170 [ 9966.152759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.152759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.152759][ T7704] netlink_rcv_skb+0x130/0x360 [ 9966.152759][ T7704] netlink_unicast+0x449/0x710 [ 9966.152759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9966.152759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9966.152759][ T7704] ___sys_sendmsg+0xee/0x170 [ 9966.152759][ T7704] __sys_sendmsg+0xcd/0x170 [ 9966.152759][ T7704] do_syscall_64+0xc6/0x1e0 [ 9966.152759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.152759][ T7704] [ 9976.190942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9976.191464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9976.191464][ T7704] netdev_get_by_index+0x5e/0x80 [ 9976.191464][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9976.191464][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9976.191464][ T7704] ip6_route_add+0x1c/0x140 [ 9976.191464][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9976.191464][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9976.191464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.191464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.191464][ T7704] netlink_rcv_skb+0x130/0x360 [ 9976.191464][ T7704] netlink_unicast+0x449/0x710 [ 9976.191464][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9976.191464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9976.191464][ T7704] ___sys_sendmsg+0xee/0x170 [ 9976.191464][ T7704] __sys_sendmsg+0xcd/0x170 [ 9976.191464][ T7704] do_syscall_64+0xc6/0x1e0 [ 9976.191464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.191464][ T7704] [ 9976.193958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9976.193958][ T7704] netdev_get_by_index+0x5e/0x80 [ 9976.193958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9976.193958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9976.193958][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9976.193958][ T7704] ipv6_add_addr+0x411/0x2000 [ 9976.193958][ T7704] inet6_addr_add+0x30e/0xa40 [ 9976.193958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.193958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.193958][ T7704] netlink_rcv_skb+0x130/0x360 [ 9976.193958][ T7704] netlink_unicast+0x449/0x710 [ 9976.193958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9976.193958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9976.193958][ T7704] ___sys_sendmsg+0xee/0x170 [ 9976.193958][ T7704] __sys_sendmsg+0xcd/0x170 [ 9976.193958][ T7704] do_syscall_64+0xc6/0x1e0 [ 9976.193958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.193958][ T7704] [ 9976.196423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9976.196423][ T7704] netdev_get_by_index+0x5e/0x80 [ 9976.196423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9976.196423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9976.196423][ T7704] ip6_route_add+0x1c/0x140 [ 9976.196423][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9976.196423][ T7704] addrconf_add_dev+0xe2/0x170 [ 9976.196423][ T7704] inet6_addr_add+0x12f/0xa40 [ 9976.196423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.196423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.196423][ T7704] netlink_rcv_skb+0x130/0x360 [ 9976.196423][ T7704] netlink_unicast+0x449/0x710 [ 9976.196423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9976.196423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9976.196423][ T7704] ___sys_sendmsg+0xee/0x170 [ 9976.196423][ T7704] __sys_sendmsg+0xcd/0x170 [ 9976.196423][ T7704] do_syscall_64+0xc6/0x1e0 [ 9976.196423][ T7704] [ 9976.199354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9976.199354][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9976.199354][ T7704] ipv6_find_idev+0x102/0x170 [ 9976.199354][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9976.199354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.199354][ T7704] netlink_rcv_skb+0x130/0x360 [ 9976.199354][ T7704] netlink_unicast+0x449/0x710 [ 9976.199354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9976.199354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9976.199354][ T7704] ___sys_sendmsg+0xee/0x170 [ 9976.199354][ T7704] __sys_sendmsg+0xcd/0x170 [ 9976.199354][ T7704] do_syscall_64+0xc6/0x1e0 [ 9976.199354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.199354][ T7704] [ 9976.201249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9976.201249][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9976.201249][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9976.201249][ T7704] ipv6_find_idev+0x102/0x170 [ 9976.201249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9976.201249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.201249][ T7704] netlink_rcv_skb+0x130/0x360 [ 9976.201249][ T7704] netlink_unicast+0x449/0x710 [ 9976.201249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9976.201249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9976.201249][ T7704] ___sys_sendmsg+0xee/0x170 [ 9976.201249][ T7704] __sys_sendmsg+0xcd/0x170 [ 9976.201249][ T7704] do_syscall_64+0xc6/0x1e0 [ 9976.201249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.201249][ T7704] [ 9986.446930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9986.447450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9986.447450][ T7704] netdev_get_by_index+0x5e/0x80 [ 9986.447450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9986.447450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9986.447450][ T7704] ip6_route_add+0x1c/0x140 [ 9986.447450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9986.447450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9986.447450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.447450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.447450][ T7704] netlink_rcv_skb+0x130/0x360 [ 9986.447450][ T7704] netlink_unicast+0x449/0x710 [ 9986.447450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9986.447450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9986.447450][ T7704] ___sys_sendmsg+0xee/0x170 [ 9986.447450][ T7704] __sys_sendmsg+0xcd/0x170 [ 9986.447450][ T7704] do_syscall_64+0xc6/0x1e0 [ 9986.447450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.447450][ T7704] [ 9986.449963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9986.449963][ T7704] netdev_get_by_index+0x5e/0x80 [ 9986.449963][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9986.449963][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9986.449963][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9986.449963][ T7704] ipv6_add_addr+0x411/0x2000 [ 9986.449963][ T7704] inet6_addr_add+0x30e/0xa40 [ 9986.449963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.449963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.449963][ T7704] netlink_rcv_skb+0x130/0x360 [ 9986.449963][ T7704] netlink_unicast+0x449/0x710 [ 9986.449963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9986.449963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9986.449963][ T7704] ___sys_sendmsg+0xee/0x170 [ 9986.449963][ T7704] __sys_sendmsg+0xcd/0x170 [ 9986.449963][ T7704] do_syscall_64+0xc6/0x1e0 [ 9986.449963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.449963][ T7704] [ 9986.452434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9986.452434][ T7704] netdev_get_by_index+0x5e/0x80 [ 9986.452434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9986.452434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9986.452434][ T7704] ip6_route_add+0x1c/0x140 [ 9986.452434][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9986.452434][ T7704] addrconf_add_dev+0xe2/0x170 [ 9986.452434][ T7704] inet6_addr_add+0x12f/0xa40 [ 9986.452434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.452434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.452434][ T7704] netlink_rcv_skb+0x130/0x360 [ 9986.452434][ T7704] netlink_unicast+0x449/0x710 [ 9986.452434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9986.452434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9986.452434][ T7704] ___sys_sendmsg+0xee/0x170 [ 9986.452434][ T7704] __sys_sendmsg+0xcd/0x170 [ 9986.452434][ T7704] do_syscall_64+0xc6/0x1e0 [ 9986.452434][ T7704] [ 9986.454891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9986.454891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9986.454891][ T7704] ipv6_find_idev+0x102/0x170 [ 9986.454891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9986.454891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.454891][ T7704] netlink_rcv_skb+0x130/0x360 [ 9986.454891][ T7704] netlink_unicast+0x449/0x710 [ 9986.454891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9986.454891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9986.454891][ T7704] ___sys_sendmsg+0xee/0x170 [ 9986.454891][ T7704] __sys_sendmsg+0xcd/0x170 [ 9986.454891][ T7704] do_syscall_64+0xc6/0x1e0 [ 9986.454891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.454891][ T7704] [ 9986.456798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9986.456798][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9986.456798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9986.456798][ T7704] ipv6_find_idev+0x102/0x170 [ 9986.456798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9986.456798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.456798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9986.456798][ T7704] netlink_unicast+0x449/0x710 [ 9986.456798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9986.456798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9986.456798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9986.456798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9986.456798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9986.456798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.456798][ T7704] [ 9996.703044][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9996.703548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9996.703548][ T7704] netdev_get_by_index+0x5e/0x80 [ 9996.703548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9996.703548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9996.703548][ T7704] ip6_route_add+0x1c/0x140 [ 9996.703548][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9996.703548][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9996.703548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.703548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.703548][ T7704] netlink_rcv_skb+0x130/0x360 [ 9996.703548][ T7704] netlink_unicast+0x449/0x710 [ 9996.703548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9996.703548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9996.703548][ T7704] ___sys_sendmsg+0xee/0x170 [ 9996.703548][ T7704] __sys_sendmsg+0xcd/0x170 [ 9996.703548][ T7704] do_syscall_64+0xc6/0x1e0 [ 9996.703548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.703548][ T7704] [ 9996.706043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9996.706043][ T7704] netdev_get_by_index+0x5e/0x80 [ 9996.706043][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9996.706043][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9996.706043][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9996.706043][ T7704] ipv6_add_addr+0x411/0x2000 [ 9996.706043][ T7704] inet6_addr_add+0x30e/0xa40 [ 9996.706043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.706043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.706043][ T7704] netlink_rcv_skb+0x130/0x360 [ 9996.706043][ T7704] netlink_unicast+0x449/0x710 [ 9996.706043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9996.706043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9996.706043][ T7704] ___sys_sendmsg+0xee/0x170 [ 9996.706043][ T7704] __sys_sendmsg+0xcd/0x170 [ 9996.706043][ T7704] do_syscall_64+0xc6/0x1e0 [ 9996.706043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.706043][ T7704] [ 9996.708496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9996.708496][ T7704] netdev_get_by_index+0x5e/0x80 [ 9996.708496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9996.708496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9996.708496][ T7704] ip6_route_add+0x1c/0x140 [ 9996.708496][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9996.708496][ T7704] addrconf_add_dev+0xe2/0x170 [ 9996.708496][ T7704] inet6_addr_add+0x12f/0xa40 [ 9996.708496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.708496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.708496][ T7704] netlink_rcv_skb+0x130/0x360 [ 9996.708496][ T7704] netlink_unicast+0x449/0x710 [ 9996.708496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9996.708496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9996.708496][ T7704] ___sys_sendmsg+0xee/0x170 [ 9996.708496][ T7704] __sys_sendmsg+0xcd/0x170 [ 9996.708496][ T7704] do_syscall_64+0xc6/0x1e0 [ 9996.708496][ T7704] [ 9996.710908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9996.710908][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9996.710908][ T7704] ipv6_find_idev+0x102/0x170 [ 9996.710908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9996.710908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.710908][ T7704] netlink_rcv_skb+0x130/0x360 [ 9996.710908][ T7704] netlink_unicast+0x449/0x710 [ 9996.710908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9996.710908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9996.710908][ T7704] ___sys_sendmsg+0xee/0x170 [ 9996.710908][ T7704] __sys_sendmsg+0xcd/0x170 [ 9996.710908][ T7704] do_syscall_64+0xc6/0x1e0 [ 9996.710908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.710908][ T7704] [ 9996.712808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [ 9996.712808][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9996.712808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9996.712808][ T7704] ipv6_find_idev+0x102/0x170 [ 9996.712808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9996.712808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.712808][ T7704] netlink_rcv_skb+0x130/0x360 [ 9996.712808][ T7704] netlink_unicast+0x449/0x710 [ 9996.712808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9996.712808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9996.712808][ T7704] ___sys_sendmsg+0xee/0x170 [ 9996.712808][ T7704] __sys_sendmsg+0xcd/0x170 [ 9996.712808][ T7704] do_syscall_64+0xc6/0x1e0 [ 9996.712808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.712808][ T7704] [10006.958936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10006.959421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10006.959421][ T7704] netdev_get_by_index+0x5e/0x80 [10006.959421][ T7704] fib6_nh_init+0x3d8/0x15b0 [10006.959421][ T7704] ip6_route_info_create+0xf18/0x17d0 [10006.959421][ T7704] ip6_route_add+0x1c/0x140 [10006.959421][ T7704] addrconf_prefix_route+0x2a6/0x430 [10006.959421][ T7704] inet6_addr_add+0x4f8/0xa40 [10006.959421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10006.959421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.959421][ T7704] netlink_rcv_skb+0x130/0x360 [10006.959421][ T7704] netlink_unicast+0x449/0x710 [10006.959421][ T7704] netlink_sendmsg+0x723/0xbe0 [10006.959421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10006.959421][ T7704] ___sys_sendmsg+0xee/0x170 [10006.959421][ T7704] __sys_sendmsg+0xcd/0x170 [10006.959421][ T7704] do_syscall_64+0xc6/0x1e0 [10006.959421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.959421][ T7704] [10006.961929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10006.961929][ T7704] netdev_get_by_index+0x5e/0x80 [10006.961929][ T7704] fib6_nh_init+0x3d8/0x15b0 [10006.961929][ T7704] ip6_route_info_create+0xf18/0x17d0 [10006.961929][ T7704] addrconf_f6i_alloc+0x315/0x560 [10006.961929][ T7704] ipv6_add_addr+0x411/0x2000 [10006.961929][ T7704] inet6_addr_add+0x30e/0xa40 [10006.961929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10006.961929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.961929][ T7704] netlink_rcv_skb+0x130/0x360 [10006.961929][ T7704] netlink_unicast+0x449/0x710 [10006.961929][ T7704] netlink_sendmsg+0x723/0xbe0 [10006.961929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10006.961929][ T7704] ___sys_sendmsg+0xee/0x170 [10006.961929][ T7704] __sys_sendmsg+0xcd/0x170 [10006.961929][ T7704] do_syscall_64+0xc6/0x1e0 [10006.961929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.961929][ T7704] [10006.964405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10006.964405][ T7704] netdev_get_by_index+0x5e/0x80 [10006.964405][ T7704] fib6_nh_init+0x3d8/0x15b0 [10006.964405][ T7704] ip6_route_info_create+0xf18/0x17d0 [10006.964405][ T7704] ip6_route_add+0x1c/0x140 [10006.964405][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10006.964405][ T7704] addrconf_add_dev+0xe2/0x170 [10006.964405][ T7704] inet6_addr_add+0x12f/0xa40 [10006.964405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10006.964405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.964405][ T7704] netlink_rcv_skb+0x130/0x360 [10006.964405][ T7704] netlink_unicast+0x449/0x710 [10006.964405][ T7704] netlink_sendmsg+0x723/0xbe0 [10006.964405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10006.964405][ T7704] ___sys_sendmsg+0xee/0x170 [10006.964405][ T7704] __sys_sendmsg+0xcd/0x170 [10006.964405][ T7704] do_syscall_64+0xc6/0x1e0 [10006.964405][ T7704] [10006.966821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10006.966821][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10006.966821][ T7704] ipv6_find_idev+0x102/0x170 [10006.966821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10006.966821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.966821][ T7704] netlink_rcv_skb+0x130/0x360 [10006.966821][ T7704] netlink_unicast+0x449/0x710 [10006.966821][ T7704] netlink_sendmsg+0x723/0xbe0 [10006.966821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10006.966821][ T7704] ___sys_sendmsg+0xee/0x170 [10006.966821][ T7704] __sys_sendmsg+0xcd/0x170 [10006.966821][ T7704] do_syscall_64+0xc6/0x1e0 [10006.966821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.966821][ T7704] [10006.968720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10006.968720][ T7704] neigh_parms_alloc+0x1e5/0x510 [10006.968720][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10006.968720][ T7704] ipv6_find_idev+0x102/0x170 [10006.968720][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10006.968720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.968720][ T7704] netlink_rcv_skb+0x130/0x360 [10006.968720][ T7704] netlink_unicast+0x449/0x710 [10006.968720][ T7704] netlink_sendmsg+0x723/0xbe0 [10006.968720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10006.968720][ T7704] ___sys_sendmsg+0xee/0x170 [10006.968720][ T7704] __sys_sendmsg+0xcd/0x170 [10006.968720][ T7704] do_syscall_64+0xc6/0x1e0 [10006.968720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.968720][ T7704] [10017.214941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10017.215483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10017.215483][ T7704] netdev_get_by_index+0x5e/0x80 [10017.215483][ T7704] fib6_nh_init+0x3d8/0x15b0 [10017.215483][ T7704] ip6_route_info_create+0xf18/0x17d0 [10017.215483][ T7704] ip6_route_add+0x1c/0x140 [10017.215483][ T7704] addrconf_prefix_route+0x2a6/0x430 [10017.215483][ T7704] inet6_addr_add+0x4f8/0xa40 [10017.215483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10017.215483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10017.215483][ T7704] netlink_rcv_skb+0x130/0x360 [10017.215483][ T7704] netlink_unicast+0x449/0x710 [10017.215483][ T7704] netlink_sendmsg+0x723/0xbe0 [10017.215483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10017.215483][ T7704] ___sys_sendmsg+0xee/0x170 [10017.215483][ T7704] __sys_sendmsg+0xcd/0x170 [10017.215483][ T7704] do_syscall_64+0xc6/0x1e0 [10017.215483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10017.215483][ T7704] [10017.217965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10017.217965][ T7704] netdev_get_by_index+0x5e/0x80 [10017.217965][ T7704] fib6_nh_init+0x3d8/0x15b0 [10017.217965][ T7704] ip6_route_info_create+0xf18/0x17d0 [10017.217965][ T7704] addrconf_f6i_alloc+0x315/0x560 [10017.217965][ T7704] ipv6_add_addr+0x411/0x2000 [10017.217965][ T7704] inet6_addr_add+0x30e/0xa40 [10017.217965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10017.217965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10017.217965][ T7704] netlink_rcv_skb+0x130/0x360 [10017.217965][ T7704] netlink_unicast+0x449/0x710 [10017.217965][ T7704] netlink_sendmsg+0x723/0xbe0 [10017.217965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10017.217965][ T7704] ___sys_sendmsg+0xee/0x170 [10017.217965][ T7704] __sys_sendmsg+0xcd/0x170 [10017.217965][ T7704] do_syscall_64+0xc6/0x1e0 [10017.217965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10017.217965][ T7704] [10017.221102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10017.221102][ T7704] netdev_get_by_index+0x5e/0x80 [10017.221102][ T7704] fib6_nh_init+0x3d8/0x15b0 [10017.221102][ T7704] ip6_route_info_create+0xf18/0x17d0 [10017.221102][ T7704] ip6_route_add+0x1c/0x140 [10017.221102][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10017.221102][ T7704] addrconf_add_dev+0xe2/0x170 [10017.221102][ T7704] inet6_addr_add+0x12f/0xa40 [10017.221102][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10017.221102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10017.221102][ T7704] netlink_rcv_skb+0x130/0x360 [10017.221102][ T7704] netlink_unicast+0x449/0x710 [10017.221102][ T7704] netlink_sendmsg+0x723/0xbe0 [10017.221102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10017.221102][ T7704] ___sys_sendmsg+0xee/0x170 [10017.221102][ T7704] __sys_sendmsg+0xcd/0x170 [10017.221102][ T7704] do_syscall_64+0xc6/0x1e0 [10017.221102][ T7704] [10017.224734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10017.224734][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10017.224734][ T7704] ipv6_find_idev+0x102/0x170 [10017.224734][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10017.224734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10017.224734][ T7704] netlink_rcv_skb+0x130/0x360 [10017.224734][ T7704] netlink_unicast+0x449/0x710 [10017.224734][ T7704] netlink_sendmsg+0x723/0xbe0 [10017.224734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10017.224734][ T7704] ___sys_sendmsg+0xee/0x170 [10017.224734][ T7704] __sys_sendmsg+0xcd/0x170 [10017.224734][ T7704] do_syscall_64+0xc6/0x1e0 [10017.224734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10017.224734][ T7704] [10017.227585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10017.227585][ T7704] neigh_parms_alloc+0x1e5/0x510 [10017.227585][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10017.227585][ T7704] ipv6_find_idev+0x102/0x170 [10017.227585][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10017.227585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10017.227585][ T7704] netlink_rcv_skb+0x130/0x360 [10017.227585][ T7704] netlink_unicast+0x449/0x710 [10017.227585][ T7704] netlink_sendmsg+0x723/0xbe0 [10017.227585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10017.227585][ T7704] ___sys_sendmsg+0xee/0x170 [10017.227585][ T7704] __sys_sendmsg+0xcd/0x170 [10017.227585][ T7704] do_syscall_64+0xc6/0x1e0 [10017.227585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10017.227585][ T7704] [10027.478951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10027.479468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10027.479468][ T7704] netdev_get_by_index+0x5e/0x80 [10027.479468][ T7704] fib6_nh_init+0x3d8/0x15b0 [10027.479468][ T7704] ip6_route_info_create+0xf18/0x17d0 [10027.479468][ T7704] ip6_route_add+0x1c/0x140 [10027.479468][ T7704] addrconf_prefix_route+0x2a6/0x430 [10027.479468][ T7704] inet6_addr_add+0x4f8/0xa40 [10027.479468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10027.479468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10027.479468][ T7704] netlink_rcv_skb+0x130/0x360 [10027.479468][ T7704] netlink_unicast+0x449/0x710 [10027.479468][ T7704] netlink_sendmsg+0x723/0xbe0 [10027.479468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10027.479468][ T7704] ___sys_sendmsg+0xee/0x170 [10027.479468][ T7704] __sys_sendmsg+0xcd/0x170 [10027.479468][ T7704] do_syscall_64+0xc6/0x1e0 [10027.479468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10027.479468][ T7704] [10027.481949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10027.481949][ T7704] netdev_get_by_index+0x5e/0x80 [10027.481949][ T7704] fib6_nh_init+0x3d8/0x15b0 [10027.481949][ T7704] ip6_route_info_create+0xf18/0x17d0 [10027.481949][ T7704] addrconf_f6i_alloc+0x315/0x560 [10027.481949][ T7704] ipv6_add_addr+0x411/0x2000 [10027.481949][ T7704] inet6_addr_add+0x30e/0xa40 [10027.481949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10027.481949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10027.481949][ T7704] netlink_rcv_skb+0x130/0x360 [10027.481949][ T7704] netlink_unicast+0x449/0x710 [10027.481949][ T7704] netlink_sendmsg+0x723/0xbe0 [10027.481949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10027.481949][ T7704] ___sys_sendmsg+0xee/0x170 [10027.481949][ T7704] __sys_sendmsg+0xcd/0x170 [10027.481949][ T7704] do_syscall_64+0xc6/0x1e0 [10027.481949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10027.481949][ T7704] [10027.484409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10027.484409][ T7704] netdev_get_by_index+0x5e/0x80 [10027.484409][ T7704] fib6_nh_init+0x3d8/0x15b0 [10027.484409][ T7704] ip6_route_info_create+0xf18/0x17d0 [10027.484409][ T7704] ip6_route_add+0x1c/0x140 [10027.484409][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10027.484409][ T7704] addrconf_add_dev+0xe2/0x170 [10027.484409][ T7704] inet6_addr_add+0x12f/0xa40 [10027.484409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10027.484409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10027.484409][ T7704] netlink_rcv_skb+0x130/0x360 [10027.484409][ T7704] netlink_unicast+0x449/0x710 [10027.484409][ T7704] netlink_sendmsg+0x723/0xbe0 [10027.484409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10027.484409][ T7704] ___sys_sendmsg+0xee/0x170 [10027.484409][ T7704] __sys_sendmsg+0xcd/0x170 [10027.484409][ T7704] do_syscall_64+0xc6/0x1e0 [10027.484409][ T7704] [10027.486836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10027.486836][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10027.486836][ T7704] ipv6_find_idev+0x102/0x170 [10027.486836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10027.486836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10027.486836][ T7704] netlink_rcv_skb+0x130/0x360 [10027.486836][ T7704] netlink_unicast+0x449/0x710 [10027.486836][ T7704] netlink_sendmsg+0x723/0xbe0 [10027.486836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10027.486836][ T7704] ___sys_sendmsg+0xee/0x170 [10027.486836][ T7704] __sys_sendmsg+0xcd/0x170 [10027.486836][ T7704] do_syscall_64+0xc6/0x1e0 [10027.486836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10027.486836][ T7704] [10027.488719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10027.488719][ T7704] neigh_parms_alloc+0x1e5/0x510 [10027.488719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10027.488719][ T7704] ipv6_find_idev+0x102/0x170 [10027.488719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10027.488719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10027.488719][ T7704] netlink_rcv_skb+0x130/0x360 [10027.488719][ T7704] netlink_unicast+0x449/0x710 [10027.488719][ T7704] netlink_sendmsg+0x723/0xbe0 [10027.488719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10027.488719][ T7704] ___sys_sendmsg+0xee/0x170 [10027.488719][ T7704] __sys_sendmsg+0xcd/0x170 [10027.488719][ T7704] do_syscall_64+0xc6/0x1e0 [10027.488719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10027.488719][ T7704] [10037.678936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10037.679450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10037.679450][ T7704] netdev_get_by_index+0x5e/0x80 [10037.679450][ T7704] fib6_nh_init+0x3d8/0x15b0 [10037.679450][ T7704] ip6_route_info_create+0xf18/0x17d0 [10037.679450][ T7704] ip6_route_add+0x1c/0x140 [10037.679450][ T7704] addrconf_prefix_route+0x2a6/0x430 [10037.679450][ T7704] inet6_addr_add+0x4f8/0xa40 [10037.679450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10037.679450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.679450][ T7704] netlink_rcv_skb+0x130/0x360 [10037.679450][ T7704] netlink_unicast+0x449/0x710 [10037.679450][ T7704] netlink_sendmsg+0x723/0xbe0 [10037.679450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10037.679450][ T7704] ___sys_sendmsg+0xee/0x170 [10037.679450][ T7704] __sys_sendmsg+0xcd/0x170 [10037.679450][ T7704] do_syscall_64+0xc6/0x1e0 [10037.679450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.679450][ T7704] [10037.681949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10037.681949][ T7704] netdev_get_by_index+0x5e/0x80 [10037.681949][ T7704] fib6_nh_init+0x3d8/0x15b0 [10037.681949][ T7704] ip6_route_info_create+0xf18/0x17d0 [10037.681949][ T7704] addrconf_f6i_alloc+0x315/0x560 [10037.681949][ T7704] ipv6_add_addr+0x411/0x2000 [10037.681949][ T7704] inet6_addr_add+0x30e/0xa40 [10037.681949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10037.681949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.681949][ T7704] netlink_rcv_skb+0x130/0x360 [10037.681949][ T7704] netlink_unicast+0x449/0x710 [10037.681949][ T7704] netlink_sendmsg+0x723/0xbe0 [10037.681949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10037.681949][ T7704] ___sys_sendmsg+0xee/0x170 [10037.681949][ T7704] __sys_sendmsg+0xcd/0x170 [10037.681949][ T7704] do_syscall_64+0xc6/0x1e0 [10037.681949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.681949][ T7704] [10037.684446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10037.684446][ T7704] netdev_get_by_index+0x5e/0x80 [10037.684446][ T7704] fib6_nh_init+0x3d8/0x15b0 [10037.684446][ T7704] ip6_route_info_create+0xf18/0x17d0 [10037.684446][ T7704] ip6_route_add+0x1c/0x140 [10037.684446][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10037.684446][ T7704] addrconf_add_dev+0xe2/0x170 [10037.684446][ T7704] inet6_addr_add+0x12f/0xa40 [10037.684446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10037.684446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.684446][ T7704] netlink_rcv_skb+0x130/0x360 [10037.684446][ T7704] netlink_unicast+0x449/0x710 [10037.684446][ T7704] netlink_sendmsg+0x723/0xbe0 [10037.684446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10037.684446][ T7704] ___sys_sendmsg+0xee/0x170 [10037.684446][ T7704] __sys_sendmsg+0xcd/0x170 [10037.684446][ T7704] do_syscall_64+0xc6/0x1e0 [10037.684446][ T7704] [10037.686879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10037.686879][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10037.686879][ T7704] ipv6_find_idev+0x102/0x170 [10037.686879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10037.686879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.686879][ T7704] netlink_rcv_skb+0x130/0x360 [10037.686879][ T7704] netlink_unicast+0x449/0x710 [10037.686879][ T7704] netlink_sendmsg+0x723/0xbe0 [10037.686879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10037.686879][ T7704] ___sys_sendmsg+0xee/0x170 [10037.686879][ T7704] __sys_sendmsg+0xcd/0x170 [10037.686879][ T7704] do_syscall_64+0xc6/0x1e0 [10037.686879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.686879][ T7704] [10037.688782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10037.688782][ T7704] neigh_parms_alloc+0x1e5/0x510 [10037.688782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10037.688782][ T7704] ipv6_find_idev+0x102/0x170 [10037.688782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10037.688782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.688782][ T7704] netlink_rcv_skb+0x130/0x360 [10037.688782][ T7704] netlink_unicast+0x449/0x710 [10037.688782][ T7704] netlink_sendmsg+0x723/0xbe0 [10037.688782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10037.688782][ T7704] ___sys_sendmsg+0xee/0x170 [10037.688782][ T7704] __sys_sendmsg+0xcd/0x170 [10037.688782][ T7704] do_syscall_64+0xc6/0x1e0 [10037.688782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.688782][ T7704] [10047.926882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10047.927420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10047.927420][ T7704] netdev_get_by_index+0x5e/0x80 [10047.927420][ T7704] fib6_nh_init+0x3d8/0x15b0 [10047.927420][ T7704] ip6_route_info_create+0xf18/0x17d0 [10047.927420][ T7704] ip6_route_add+0x1c/0x140 [10047.927420][ T7704] addrconf_prefix_route+0x2a6/0x430 [10047.927420][ T7704] inet6_addr_add+0x4f8/0xa40 [10047.927420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10047.927420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.927420][ T7704] netlink_rcv_skb+0x130/0x360 [10047.927420][ T7704] netlink_unicast+0x449/0x710 [10047.927420][ T7704] netlink_sendmsg+0x723/0xbe0 [10047.927420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10047.927420][ T7704] ___sys_sendmsg+0xee/0x170 [10047.927420][ T7704] __sys_sendmsg+0xcd/0x170 [10047.927420][ T7704] do_syscall_64+0xc6/0x1e0 [10047.927420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.927420][ T7704] [10047.929765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10047.929765][ T7704] netdev_get_by_index+0x5e/0x80 [10047.929765][ T7704] fib6_nh_init+0x3d8/0x15b0 [10047.929765][ T7704] ip6_route_info_create+0xf18/0x17d0 [10047.929765][ T7704] addrconf_f6i_alloc+0x315/0x560 [10047.929765][ T7704] ipv6_add_addr+0x411/0x2000 [10047.929765][ T7704] inet6_addr_add+0x30e/0xa40 [10047.929765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10047.929765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.929765][ T7704] netlink_rcv_skb+0x130/0x360 [10047.929765][ T7704] netlink_unicast+0x449/0x710 [10047.929765][ T7704] netlink_sendmsg+0x723/0xbe0 [10047.929765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10047.929765][ T7704] ___sys_sendmsg+0xee/0x170 [10047.929765][ T7704] __sys_sendmsg+0xcd/0x170 [10047.929765][ T7704] do_syscall_64+0xc6/0x1e0 [10047.929765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.929765][ T7704] [10047.932607][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10047.932607][ T7704] netdev_get_by_index+0x5e/0x80 [10047.932607][ T7704] fib6_nh_init+0x3d8/0x15b0 [10047.932607][ T7704] ip6_route_info_create+0xf18/0x17d0 [10047.932607][ T7704] ip6_route_add+0x1c/0x140 [10047.932607][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10047.932607][ T7704] addrconf_add_dev+0xe2/0x170 [10047.932607][ T7704] inet6_addr_add+0x12f/0xa40 [10047.932607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10047.932607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.932607][ T7704] netlink_rcv_skb+0x130/0x360 [10047.932607][ T7704] netlink_unicast+0x449/0x710 [10047.932607][ T7704] netlink_sendmsg+0x723/0xbe0 [10047.932607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10047.932607][ T7704] ___sys_sendmsg+0xee/0x170 [10047.932607][ T7704] __sys_sendmsg+0xcd/0x170 [10047.932607][ T7704] do_syscall_64+0xc6/0x1e0 [10047.932607][ T7704] [10047.934887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10047.934887][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10047.934887][ T7704] ipv6_find_idev+0x102/0x170 [10047.934887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10047.934887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.934887][ T7704] netlink_rcv_skb+0x130/0x360 [10047.934887][ T7704] netlink_unicast+0x449/0x710 [10047.934887][ T7704] netlink_sendmsg+0x723/0xbe0 [10047.934887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10047.934887][ T7704] ___sys_sendmsg+0xee/0x170 [10047.934887][ T7704] __sys_sendmsg+0xcd/0x170 [10047.934887][ T7704] do_syscall_64+0xc6/0x1e0 [10047.934887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.934887][ T7704] [10047.936657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10047.936657][ T7704] neigh_parms_alloc+0x1e5/0x510 [10047.936657][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10047.936657][ T7704] ipv6_find_idev+0x102/0x170 [10047.936657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10047.936657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.936657][ T7704] netlink_rcv_skb+0x130/0x360 [10047.936657][ T7704] netlink_unicast+0x449/0x710 [10047.936657][ T7704] netlink_sendmsg+0x723/0xbe0 [10047.936657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10047.936657][ T7704] ___sys_sendmsg+0xee/0x170 [10047.936657][ T7704] __sys_sendmsg+0xcd/0x170 [10047.936657][ T7704] do_syscall_64+0xc6/0x1e0 [10047.936657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.936657][ T7704] [10058.118952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10058.119514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10058.119514][ T7704] netdev_get_by_index+0x5e/0x80 [10058.119514][ T7704] fib6_nh_init+0x3d8/0x15b0 [10058.119514][ T7704] ip6_route_info_create+0xf18/0x17d0 [10058.119514][ T7704] ip6_route_add+0x1c/0x140 [10058.119514][ T7704] addrconf_prefix_route+0x2a6/0x430 [10058.119514][ T7704] inet6_addr_add+0x4f8/0xa40 [10058.119514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10058.119514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10058.119514][ T7704] netlink_rcv_skb+0x130/0x360 [10058.119514][ T7704] netlink_unicast+0x449/0x710 [10058.119514][ T7704] netlink_sendmsg+0x723/0xbe0 [10058.119514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10058.119514][ T7704] ___sys_sendmsg+0xee/0x170 [10058.119514][ T7704] __sys_sendmsg+0xcd/0x170 [10058.119514][ T7704] do_syscall_64+0xc6/0x1e0 [10058.119514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10058.119514][ T7704] [10058.121999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10058.121999][ T7704] netdev_get_by_index+0x5e/0x80 [10058.121999][ T7704] fib6_nh_init+0x3d8/0x15b0 [10058.121999][ T7704] ip6_route_info_create+0xf18/0x17d0 [10058.121999][ T7704] addrconf_f6i_alloc+0x315/0x560 [10058.121999][ T7704] ipv6_add_addr+0x411/0x2000 [10058.121999][ T7704] inet6_addr_add+0x30e/0xa40 [10058.121999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10058.121999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10058.121999][ T7704] netlink_rcv_skb+0x130/0x360 [10058.121999][ T7704] netlink_unicast+0x449/0x710 [10058.121999][ T7704] netlink_sendmsg+0x723/0xbe0 [10058.121999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10058.121999][ T7704] ___sys_sendmsg+0xee/0x170 [10058.121999][ T7704] __sys_sendmsg+0xcd/0x170 [10058.121999][ T7704] do_syscall_64+0xc6/0x1e0 [10058.121999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10058.121999][ T7704] [10058.124498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10058.124498][ T7704] netdev_get_by_index+0x5e/0x80 [10058.124498][ T7704] fib6_nh_init+0x3d8/0x15b0 [10058.124498][ T7704] ip6_route_info_create+0xf18/0x17d0 [10058.124498][ T7704] ip6_route_add+0x1c/0x140 [10058.124498][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10058.124498][ T7704] addrconf_add_dev+0xe2/0x170 [10058.124498][ T7704] inet6_addr_add+0x12f/0xa40 [10058.124498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10058.124498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10058.124498][ T7704] netlink_rcv_skb+0x130/0x360 [10058.124498][ T7704] netlink_unicast+0x449/0x710 [10058.124498][ T7704] netlink_sendmsg+0x723/0xbe0 [10058.124498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10058.124498][ T7704] ___sys_sendmsg+0xee/0x170 [10058.124498][ T7704] __sys_sendmsg+0xcd/0x170 [10058.124498][ T7704] do_syscall_64+0xc6/0x1e0 [10058.124498][ T7704] [10058.126925][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10058.126925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10058.126925][ T7704] ipv6_find_idev+0x102/0x170 [10058.126925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10058.126925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10058.126925][ T7704] netlink_rcv_skb+0x130/0x360 [10058.126925][ T7704] netlink_unicast+0x449/0x710 [10058.126925][ T7704] netlink_sendmsg+0x723/0xbe0 [10058.126925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10058.126925][ T7704] ___sys_sendmsg+0xee/0x170 [10058.126925][ T7704] __sys_sendmsg+0xcd/0x170 [10058.126925][ T7704] do_syscall_64+0xc6/0x1e0 [10058.126925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10058.126925][ T7704] [10058.128805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10058.128805][ T7704] neigh_parms_alloc+0x1e5/0x510 [10058.128805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10058.128805][ T7704] ipv6_find_idev+0x102/0x170 [10058.128805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10058.128805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10058.128805][ T7704] netlink_rcv_skb+0x130/0x360 [10058.128805][ T7704] netlink_unicast+0x449/0x710 [10058.128805][ T7704] netlink_sendmsg+0x723/0xbe0 [10058.128805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10058.128805][ T7704] ___sys_sendmsg+0xee/0x170 [10058.128805][ T7704] __sys_sendmsg+0xcd/0x170 [10058.128805][ T7704] do_syscall_64+0xc6/0x1e0 [10058.128805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10058.128805][ T7704] [10068.270941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10068.271428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10068.271428][ T7704] netdev_get_by_index+0x5e/0x80 [10068.271428][ T7704] fib6_nh_init+0x3d8/0x15b0 [10068.271428][ T7704] ip6_route_info_create+0xf18/0x17d0 [10068.271428][ T7704] ip6_route_add+0x1c/0x140 [10068.271428][ T7704] addrconf_prefix_route+0x2a6/0x430 [10068.271428][ T7704] inet6_addr_add+0x4f8/0xa40 [10068.271428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10068.271428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10068.271428][ T7704] netlink_rcv_skb+0x130/0x360 [10068.271428][ T7704] netlink_unicast+0x449/0x710 [10068.271428][ T7704] netlink_sendmsg+0x723/0xbe0 [10068.271428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10068.271428][ T7704] ___sys_sendmsg+0xee/0x170 [10068.271428][ T7704] __sys_sendmsg+0xcd/0x170 [10068.271428][ T7704] do_syscall_64+0xc6/0x1e0 [10068.271428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10068.271428][ T7704] [10068.274134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10068.274134][ T7704] netdev_get_by_index+0x5e/0x80 [10068.274134][ T7704] fib6_nh_init+0x3d8/0x15b0 [10068.274134][ T7704] ip6_route_info_create+0xf18/0x17d0 [10068.274134][ T7704] addrconf_f6i_alloc+0x315/0x560 [10068.274134][ T7704] ipv6_add_addr+0x411/0x2000 [10068.274134][ T7704] inet6_addr_add+0x30e/0xa40 [10068.274134][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10068.274134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10068.274134][ T7704] netlink_rcv_skb+0x130/0x360 [10068.274134][ T7704] netlink_unicast+0x449/0x710 [10068.274134][ T7704] netlink_sendmsg+0x723/0xbe0 [10068.274134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10068.274134][ T7704] ___sys_sendmsg+0xee/0x170 [10068.274134][ T7704] __sys_sendmsg+0xcd/0x170 [10068.274134][ T7704] do_syscall_64+0xc6/0x1e0 [10068.274134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10068.274134][ T7704] [10068.276784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10068.276784][ T7704] netdev_get_by_index+0x5e/0x80 [10068.276784][ T7704] fib6_nh_init+0x3d8/0x15b0 [10068.276784][ T7704] ip6_route_info_create+0xf18/0x17d0 [10068.276784][ T7704] ip6_route_add+0x1c/0x140 [10068.276784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10068.276784][ T7704] addrconf_add_dev+0xe2/0x170 [10068.276784][ T7704] inet6_addr_add+0x12f/0xa40 [10068.276784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10068.276784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10068.276784][ T7704] netlink_rcv_skb+0x130/0x360 [10068.276784][ T7704] netlink_unicast+0x449/0x710 [10068.276784][ T7704] netlink_sendmsg+0x723/0xbe0 [10068.276784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10068.276784][ T7704] ___sys_sendmsg+0xee/0x170 [10068.276784][ T7704] __sys_sendmsg+0xcd/0x170 [10068.276784][ T7704] do_syscall_64+0xc6/0x1e0 [10068.276784][ T7704] [10068.279406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10068.279406][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10068.279406][ T7704] ipv6_find_idev+0x102/0x170 [10068.279406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10068.279406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10068.279406][ T7704] netlink_rcv_skb+0x130/0x360 [10068.279406][ T7704] netlink_unicast+0x449/0x710 [10068.279406][ T7704] netlink_sendmsg+0x723/0xbe0 [10068.279406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10068.279406][ T7704] ___sys_sendmsg+0xee/0x170 [10068.279406][ T7704] __sys_sendmsg+0xcd/0x170 [10068.279406][ T7704] do_syscall_64+0xc6/0x1e0 [10068.279406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10068.279406][ T7704] [10068.281461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10068.281461][ T7704] neigh_parms_alloc+0x1e5/0x510 [10068.281461][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10068.281461][ T7704] ipv6_find_idev+0x102/0x170 [10068.281461][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10068.281461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10068.281461][ T7704] netlink_rcv_skb+0x130/0x360 [10068.281461][ T7704] netlink_unicast+0x449/0x710 [10068.281461][ T7704] netlink_sendmsg+0x723/0xbe0 [10068.281461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10068.281461][ T7704] ___sys_sendmsg+0xee/0x170 [10068.281461][ T7704] __sys_sendmsg+0xcd/0x170 [10068.281461][ T7704] do_syscall_64+0xc6/0x1e0 [10068.281461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10068.281461][ T7704] [10078.518988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10078.519498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10078.519498][ T7704] netdev_get_by_index+0x5e/0x80 [10078.519498][ T7704] fib6_nh_init+0x3d8/0x15b0 [10078.519498][ T7704] ip6_route_info_create+0xf18/0x17d0 [10078.519498][ T7704] ip6_route_add+0x1c/0x140 [10078.519498][ T7704] addrconf_prefix_route+0x2a6/0x430 [10078.519498][ T7704] inet6_addr_add+0x4f8/0xa40 [10078.519498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10078.519498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10078.519498][ T7704] netlink_rcv_skb+0x130/0x360 [10078.519498][ T7704] netlink_unicast+0x449/0x710 [10078.519498][ T7704] netlink_sendmsg+0x723/0xbe0 [10078.519498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10078.519498][ T7704] ___sys_sendmsg+0xee/0x170 [10078.519498][ T7704] __sys_sendmsg+0xcd/0x170 [10078.519498][ T7704] do_syscall_64+0xc6/0x1e0 [10078.519498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10078.519498][ T7704] [10078.521980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10078.521980][ T7704] netdev_get_by_index+0x5e/0x80 [10078.521980][ T7704] fib6_nh_init+0x3d8/0x15b0 [10078.521980][ T7704] ip6_route_info_create+0xf18/0x17d0 [10078.521980][ T7704] addrconf_f6i_alloc+0x315/0x560 [10078.521980][ T7704] ipv6_add_addr+0x411/0x2000 [10078.521980][ T7704] inet6_addr_add+0x30e/0xa40 [10078.521980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10078.521980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10078.521980][ T7704] netlink_rcv_skb+0x130/0x360 [10078.521980][ T7704] netlink_unicast+0x449/0x710 [10078.521980][ T7704] netlink_sendmsg+0x723/0xbe0 [10078.521980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10078.521980][ T7704] ___sys_sendmsg+0xee/0x170 [10078.521980][ T7704] __sys_sendmsg+0xcd/0x170 [10078.521980][ T7704] do_syscall_64+0xc6/0x1e0 [10078.521980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10078.521980][ T7704] [10078.524445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10078.524445][ T7704] netdev_get_by_index+0x5e/0x80 [10078.524445][ T7704] fib6_nh_init+0x3d8/0x15b0 [10078.524445][ T7704] ip6_route_info_create+0xf18/0x17d0 [10078.524445][ T7704] ip6_route_add+0x1c/0x140 [10078.524445][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10078.524445][ T7704] addrconf_add_dev+0xe2/0x170 [10078.524445][ T7704] inet6_addr_add+0x12f/0xa40 [10078.524445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10078.524445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10078.524445][ T7704] netlink_rcv_skb+0x130/0x360 [10078.524445][ T7704] netlink_unicast+0x449/0x710 [10078.524445][ T7704] netlink_sendmsg+0x723/0xbe0 [10078.524445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10078.524445][ T7704] ___sys_sendmsg+0xee/0x170 [10078.524445][ T7704] __sys_sendmsg+0xcd/0x170 [10078.524445][ T7704] do_syscall_64+0xc6/0x1e0 [10078.524445][ T7704] [10078.526863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10078.526863][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10078.526863][ T7704] ipv6_find_idev+0x102/0x170 [10078.526863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10078.526863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10078.526863][ T7704] netlink_rcv_skb+0x130/0x360 [10078.526863][ T7704] netlink_unicast+0x449/0x710 [10078.526863][ T7704] netlink_sendmsg+0x723/0xbe0 [10078.526863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10078.526863][ T7704] ___sys_sendmsg+0xee/0x170 [10078.526863][ T7704] __sys_sendmsg+0xcd/0x170 [10078.526863][ T7704] do_syscall_64+0xc6/0x1e0 [10078.526863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10078.526863][ T7704] [10078.528778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10078.528778][ T7704] neigh_parms_alloc+0x1e5/0x510 [10078.528778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10078.528778][ T7704] ipv6_find_idev+0x102/0x170 [10078.528778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10078.528778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10078.528778][ T7704] netlink_rcv_skb+0x130/0x360 [10078.528778][ T7704] netlink_unicast+0x449/0x710 [10078.528778][ T7704] netlink_sendmsg+0x723/0xbe0 [10078.528778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10078.528778][ T7704] ___sys_sendmsg+0xee/0x170 [10078.528778][ T7704] __sys_sendmsg+0xcd/0x170 [10078.528778][ T7704] do_syscall_64+0xc6/0x1e0 [10078.528778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10078.528778][ T7704] [10088.766976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10088.767533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10088.767533][ T7704] netdev_get_by_index+0x5e/0x80 [10088.767533][ T7704] fib6_nh_init+0x3d8/0x15b0 [10088.767533][ T7704] ip6_route_info_create+0xf18/0x17d0 [10088.767533][ T7704] ip6_route_add+0x1c/0x140 [10088.767533][ T7704] addrconf_prefix_route+0x2a6/0x430 [10088.767533][ T7704] inet6_addr_add+0x4f8/0xa40 [10088.767533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10088.767533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.767533][ T7704] netlink_rcv_skb+0x130/0x360 [10088.767533][ T7704] netlink_unicast+0x449/0x710 [10088.767533][ T7704] netlink_sendmsg+0x723/0xbe0 [10088.767533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10088.767533][ T7704] ___sys_sendmsg+0xee/0x170 [10088.767533][ T7704] __sys_sendmsg+0xcd/0x170 [10088.767533][ T7704] do_syscall_64+0xc6/0x1e0 [10088.767533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.767533][ T7704] [10088.770032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10088.770032][ T7704] netdev_get_by_index+0x5e/0x80 [10088.770032][ T7704] fib6_nh_init+0x3d8/0x15b0 [10088.770032][ T7704] ip6_route_info_create+0xf18/0x17d0 [10088.770032][ T7704] addrconf_f6i_alloc+0x315/0x560 [10088.770032][ T7704] ipv6_add_addr+0x411/0x2000 [10088.770032][ T7704] inet6_addr_add+0x30e/0xa40 [10088.770032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10088.770032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.770032][ T7704] netlink_rcv_skb+0x130/0x360 [10088.770032][ T7704] netlink_unicast+0x449/0x710 [10088.770032][ T7704] netlink_sendmsg+0x723/0xbe0 [10088.770032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10088.770032][ T7704] ___sys_sendmsg+0xee/0x170 [10088.770032][ T7704] __sys_sendmsg+0xcd/0x170 [10088.770032][ T7704] do_syscall_64+0xc6/0x1e0 [10088.770032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.770032][ T7704] [10088.772527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10088.772527][ T7704] netdev_get_by_index+0x5e/0x80 [10088.772527][ T7704] fib6_nh_init+0x3d8/0x15b0 [10088.772527][ T7704] ip6_route_info_create+0xf18/0x17d0 [10088.772527][ T7704] ip6_route_add+0x1c/0x140 [10088.772527][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10088.772527][ T7704] addrconf_add_dev+0xe2/0x170 [10088.772527][ T7704] inet6_addr_add+0x12f/0xa40 [10088.772527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10088.772527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.772527][ T7704] netlink_rcv_skb+0x130/0x360 [10088.772527][ T7704] netlink_unicast+0x449/0x710 [10088.772527][ T7704] netlink_sendmsg+0x723/0xbe0 [10088.772527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10088.772527][ T7704] ___sys_sendmsg+0xee/0x170 [10088.772527][ T7704] __sys_sendmsg+0xcd/0x170 [10088.772527][ T7704] do_syscall_64+0xc6/0x1e0 [10088.772527][ T7704] [10088.775000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10088.775000][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10088.775000][ T7704] ipv6_find_idev+0x102/0x170 [10088.775000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10088.775000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.775000][ T7704] netlink_rcv_skb+0x130/0x360 [10088.775000][ T7704] netlink_unicast+0x449/0x710 [10088.775000][ T7704] netlink_sendmsg+0x723/0xbe0 [10088.775000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10088.775000][ T7704] ___sys_sendmsg+0xee/0x170 [10088.775000][ T7704] __sys_sendmsg+0xcd/0x170 [10088.775000][ T7704] do_syscall_64+0xc6/0x1e0 [10088.775000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.775000][ T7704] [10088.776899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10088.776899][ T7704] neigh_parms_alloc+0x1e5/0x510 [10088.776899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10088.776899][ T7704] ipv6_find_idev+0x102/0x170 [10088.776899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10088.776899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.776899][ T7704] netlink_rcv_skb+0x130/0x360 [10088.776899][ T7704] netlink_unicast+0x449/0x710 [10088.776899][ T7704] netlink_sendmsg+0x723/0xbe0 [10088.776899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10088.776899][ T7704] ___sys_sendmsg+0xee/0x170 [10088.776899][ T7704] __sys_sendmsg+0xcd/0x170 [10088.776899][ T7704] do_syscall_64+0xc6/0x1e0 [10088.776899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.776899][ T7704] [10099.014920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10099.015446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10099.015446][ T7704] netdev_get_by_index+0x5e/0x80 [10099.015446][ T7704] fib6_nh_init+0x3d8/0x15b0 [10099.015446][ T7704] ip6_route_info_create+0xf18/0x17d0 [10099.015446][ T7704] ip6_route_add+0x1c/0x140 [10099.015446][ T7704] addrconf_prefix_route+0x2a6/0x430 [10099.015446][ T7704] inet6_addr_add+0x4f8/0xa40 [10099.015446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10099.015446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.015446][ T7704] netlink_rcv_skb+0x130/0x360 [10099.015446][ T7704] netlink_unicast+0x449/0x710 [10099.015446][ T7704] netlink_sendmsg+0x723/0xbe0 [10099.015446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10099.015446][ T7704] ___sys_sendmsg+0xee/0x170 [10099.015446][ T7704] __sys_sendmsg+0xcd/0x170 [10099.015446][ T7704] do_syscall_64+0xc6/0x1e0 [10099.015446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.015446][ T7704] [10099.018131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10099.018131][ T7704] netdev_get_by_index+0x5e/0x80 [10099.018131][ T7704] fib6_nh_init+0x3d8/0x15b0 [10099.018131][ T7704] ip6_route_info_create+0xf18/0x17d0 [10099.018131][ T7704] addrconf_f6i_alloc+0x315/0x560 [10099.018131][ T7704] ipv6_add_addr+0x411/0x2000 [10099.018131][ T7704] inet6_addr_add+0x30e/0xa40 [10099.018131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10099.018131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.018131][ T7704] netlink_rcv_skb+0x130/0x360 [10099.018131][ T7704] netlink_unicast+0x449/0x710 [10099.018131][ T7704] netlink_sendmsg+0x723/0xbe0 [10099.018131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10099.018131][ T7704] ___sys_sendmsg+0xee/0x170 [10099.018131][ T7704] __sys_sendmsg+0xcd/0x170 [10099.018131][ T7704] do_syscall_64+0xc6/0x1e0 [10099.018131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.018131][ T7704] [10099.020689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10099.020689][ T7704] netdev_get_by_index+0x5e/0x80 [10099.020689][ T7704] fib6_nh_init+0x3d8/0x15b0 [10099.020689][ T7704] ip6_route_info_create+0xf18/0x17d0 [10099.020689][ T7704] ip6_route_add+0x1c/0x140 [10099.020689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10099.020689][ T7704] addrconf_add_dev+0xe2/0x170 [10099.020689][ T7704] inet6_addr_add+0x12f/0xa40 [10099.020689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10099.020689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.020689][ T7704] netlink_rcv_skb+0x130/0x360 [10099.020689][ T7704] netlink_unicast+0x449/0x710 [10099.020689][ T7704] netlink_sendmsg+0x723/0xbe0 [10099.020689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10099.020689][ T7704] ___sys_sendmsg+0xee/0x170 [10099.020689][ T7704] __sys_sendmsg+0xcd/0x170 [10099.020689][ T7704] do_syscall_64+0xc6/0x1e0 [10099.020689][ T7704] [10099.023200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10099.023200][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10099.023200][ T7704] ipv6_find_idev+0x102/0x170 [10099.023200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10099.023200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.023200][ T7704] netlink_rcv_skb+0x130/0x360 [10099.023200][ T7704] netlink_unicast+0x449/0x710 [10099.023200][ T7704] netlink_sendmsg+0x723/0xbe0 [10099.023200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10099.023200][ T7704] ___sys_sendmsg+0xee/0x170 [10099.023200][ T7704] __sys_sendmsg+0xcd/0x170 [10099.023200][ T7704] do_syscall_64+0xc6/0x1e0 [10099.023200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.023200][ T7704] [10099.025159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10099.025159][ T7704] neigh_parms_alloc+0x1e5/0x510 [10099.025159][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10099.025159][ T7704] ipv6_find_idev+0x102/0x170 [10099.025159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10099.025159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.025159][ T7704] netlink_rcv_skb+0x130/0x360 [10099.025159][ T7704] netlink_unicast+0x449/0x710 [10099.025159][ T7704] netlink_sendmsg+0x723/0xbe0 [10099.025159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10099.025159][ T7704] ___sys_sendmsg+0xee/0x170 [10099.025159][ T7704] __sys_sendmsg+0xcd/0x170 [10099.025159][ T7704] do_syscall_64+0xc6/0x1e0 [10099.025159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.025159][ T7704] [10109.262928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10109.263397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10109.263397][ T7704] netdev_get_by_index+0x5e/0x80 [10109.263397][ T7704] fib6_nh_init+0x3d8/0x15b0 [10109.263397][ T7704] ip6_route_info_create+0xf18/0x17d0 [10109.263397][ T7704] ip6_route_add+0x1c/0x140 [10109.263397][ T7704] addrconf_prefix_route+0x2a6/0x430 [10109.263397][ T7704] inet6_addr_add+0x4f8/0xa40 [10109.263397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10109.263397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.263397][ T7704] netlink_rcv_skb+0x130/0x360 [10109.263397][ T7704] netlink_unicast+0x449/0x710 [10109.263397][ T7704] netlink_sendmsg+0x723/0xbe0 [10109.263397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10109.263397][ T7704] ___sys_sendmsg+0xee/0x170 [10109.263397][ T7704] __sys_sendmsg+0xcd/0x170 [10109.263397][ T7704] do_syscall_64+0xc6/0x1e0 [10109.263397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.263397][ T7704] [10109.265946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10109.265946][ T7704] netdev_get_by_index+0x5e/0x80 [10109.265946][ T7704] fib6_nh_init+0x3d8/0x15b0 [10109.265946][ T7704] ip6_route_info_create+0xf18/0x17d0 [10109.265946][ T7704] addrconf_f6i_alloc+0x315/0x560 [10109.265946][ T7704] ipv6_add_addr+0x411/0x2000 [10109.265946][ T7704] inet6_addr_add+0x30e/0xa40 [10109.265946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10109.265946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.265946][ T7704] netlink_rcv_skb+0x130/0x360 [10109.265946][ T7704] netlink_unicast+0x449/0x710 [10109.265946][ T7704] netlink_sendmsg+0x723/0xbe0 [10109.265946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10109.265946][ T7704] ___sys_sendmsg+0xee/0x170 [10109.265946][ T7704] __sys_sendmsg+0xcd/0x170 [10109.265946][ T7704] do_syscall_64+0xc6/0x1e0 [10109.265946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.265946][ T7704] [10109.268439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10109.268439][ T7704] netdev_get_by_index+0x5e/0x80 [10109.268439][ T7704] fib6_nh_init+0x3d8/0x15b0 [10109.268439][ T7704] ip6_route_info_create+0xf18/0x17d0 [10109.268439][ T7704] ip6_route_add+0x1c/0x140 [10109.268439][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10109.268439][ T7704] addrconf_add_dev+0xe2/0x170 [10109.268439][ T7704] inet6_addr_add+0x12f/0xa40 [10109.268439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10109.268439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.268439][ T7704] netlink_rcv_skb+0x130/0x360 [10109.268439][ T7704] netlink_unicast+0x449/0x710 [10109.268439][ T7704] netlink_sendmsg+0x723/0xbe0 [10109.268439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10109.268439][ T7704] ___sys_sendmsg+0xee/0x170 [10109.268439][ T7704] __sys_sendmsg+0xcd/0x170 [10109.268439][ T7704] do_syscall_64+0xc6/0x1e0 [10109.268439][ T7704] [10109.270904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10109.270904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10109.270904][ T7704] ipv6_find_idev+0x102/0x170 [10109.270904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10109.270904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.270904][ T7704] netlink_rcv_skb+0x130/0x360 [10109.270904][ T7704] netlink_unicast+0x449/0x710 [10109.270904][ T7704] netlink_sendmsg+0x723/0xbe0 [10109.270904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10109.270904][ T7704] ___sys_sendmsg+0xee/0x170 [10109.270904][ T7704] __sys_sendmsg+0xcd/0x170 [10109.270904][ T7704] do_syscall_64+0xc6/0x1e0 [10109.270904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.270904][ T7704] [10109.272845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10109.272845][ T7704] neigh_parms_alloc+0x1e5/0x510 [10109.272845][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10109.272845][ T7704] ipv6_find_idev+0x102/0x170 [10109.272845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10109.272845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.272845][ T7704] netlink_rcv_skb+0x130/0x360 [10109.272845][ T7704] netlink_unicast+0x449/0x710 [10109.272845][ T7704] netlink_sendmsg+0x723/0xbe0 [10109.272845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10109.272845][ T7704] ___sys_sendmsg+0xee/0x170 [10109.272845][ T7704] __sys_sendmsg+0xcd/0x170 [10109.272845][ T7704] do_syscall_64+0xc6/0x1e0 [10109.272845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.272845][ T7704] [10119.510918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10119.511359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10119.511359][ T7704] netdev_get_by_index+0x5e/0x80 [10119.511359][ T7704] fib6_nh_init+0x3d8/0x15b0 [10119.511359][ T7704] ip6_route_info_create+0xf18/0x17d0 [10119.511359][ T7704] ip6_route_add+0x1c/0x140 [10119.511359][ T7704] addrconf_prefix_route+0x2a6/0x430 [10119.511359][ T7704] inet6_addr_add+0x4f8/0xa40 [10119.511359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10119.511359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10119.511359][ T7704] netlink_rcv_skb+0x130/0x360 [10119.511359][ T7704] netlink_unicast+0x449/0x710 [10119.511359][ T7704] netlink_sendmsg+0x723/0xbe0 [10119.511359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10119.511359][ T7704] ___sys_sendmsg+0xee/0x170 [10119.511359][ T7704] __sys_sendmsg+0xcd/0x170 [10119.511359][ T7704] do_syscall_64+0xc6/0x1e0 [10119.511359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10119.511359][ T7704] [10119.513876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10119.513876][ T7704] netdev_get_by_index+0x5e/0x80 [10119.513876][ T7704] fib6_nh_init+0x3d8/0x15b0 [10119.513876][ T7704] ip6_route_info_create+0xf18/0x17d0 [10119.513876][ T7704] addrconf_f6i_alloc+0x315/0x560 [10119.513876][ T7704] ipv6_add_addr+0x411/0x2000 [10119.513876][ T7704] inet6_addr_add+0x30e/0xa40 [10119.513876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10119.513876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10119.513876][ T7704] netlink_rcv_skb+0x130/0x360 [10119.513876][ T7704] netlink_unicast+0x449/0x710 [10119.513876][ T7704] netlink_sendmsg+0x723/0xbe0 [10119.513876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10119.513876][ T7704] ___sys_sendmsg+0xee/0x170 [10119.513876][ T7704] __sys_sendmsg+0xcd/0x170 [10119.513876][ T7704] do_syscall_64+0xc6/0x1e0 [10119.513876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10119.513876][ T7704] [10119.516221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10119.516221][ T7704] netdev_get_by_index+0x5e/0x80 [10119.516221][ T7704] fib6_nh_init+0x3d8/0x15b0 [10119.516221][ T7704] ip6_route_info_create+0xf18/0x17d0 [10119.516221][ T7704] ip6_route_add+0x1c/0x140 [10119.516221][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10119.516221][ T7704] addrconf_add_dev+0xe2/0x170 [10119.516221][ T7704] inet6_addr_add+0x12f/0xa40 [10119.516221][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10119.516221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10119.516221][ T7704] netlink_rcv_skb+0x130/0x360 [10119.516221][ T7704] netlink_unicast+0x449/0x710 [10119.516221][ T7704] netlink_sendmsg+0x723/0xbe0 [10119.516221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10119.516221][ T7704] ___sys_sendmsg+0xee/0x170 [10119.516221][ T7704] __sys_sendmsg+0xcd/0x170 [10119.516221][ T7704] do_syscall_64+0xc6/0x1e0 [10119.516221][ T7704] [10119.518414][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10119.518414][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10119.518414][ T7704] ipv6_find_idev+0x102/0x170 [10119.518414][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10119.518414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10119.518414][ T7704] netlink_rcv_skb+0x130/0x360 [10119.518414][ T7704] netlink_unicast+0x449/0x710 [10119.518414][ T7704] netlink_sendmsg+0x723/0xbe0 [10119.518414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10119.518414][ T7704] ___sys_sendmsg+0xee/0x170 [10119.518414][ T7704] __sys_sendmsg+0xcd/0x170 [10119.518414][ T7704] do_syscall_64+0xc6/0x1e0 [10119.518414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10119.518414][ T7704] [10119.520156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10119.520156][ T7704] neigh_parms_alloc+0x1e5/0x510 [10119.520156][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10119.520156][ T7704] ipv6_find_idev+0x102/0x170 [10119.520156][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10119.520156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10119.520156][ T7704] netlink_rcv_skb+0x130/0x360 [10119.520156][ T7704] netlink_unicast+0x449/0x710 [10119.520156][ T7704] netlink_sendmsg+0x723/0xbe0 [10119.520156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10119.520156][ T7704] ___sys_sendmsg+0xee/0x170 [10119.520156][ T7704] __sys_sendmsg+0xcd/0x170 [10119.520156][ T7704] do_syscall_64+0xc6/0x1e0 [10119.520156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10119.520156][ T7704] HARD STOP (10000) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [10129.726978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10129.727844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10129.727844][ T7704] netdev_get_by_index+0x5e/0x80 [10129.727844][ T7704] fib6_nh_init+0x3d8/0x15b0 [10129.727844][ T7704] ip6_route_info_create+0xf18/0x17d0 [10129.727844][ T7704] ip6_route_add+0x1c/0x140 [10129.727844][ T7704] addrconf_prefix_route+0x2a6/0x430 [10129.727844][ T7704] inet6_addr_add+0x4f8/0xa40 [10129.727844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10129.727844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.727844][ T7704] netlink_rcv_skb+0x130/0x360 [10129.727844][ T7704] netlink_unicast+0x449/0x710 [10129.727844][ T7704] netlink_sendmsg+0x723/0xbe0 [10129.727844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10129.727844][ T7704] ___sys_sendmsg+0xee/0x170 [10129.727844][ T7704] __sys_sendmsg+0xcd/0x170 [10129.727844][ T7704] do_syscall_64+0xc6/0x1e0 [10129.727844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.727844][ T7704] [10129.744037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10129.744037][ T7704] netdev_get_by_index+0x5e/0x80 [10129.744037][ T7704] fib6_nh_init+0x3d8/0x15b0 [10129.744037][ T7704] ip6_route_info_create+0xf18/0x17d0 [10129.744037][ T7704] addrconf_f6i_alloc+0x315/0x560 [10129.744037][ T7704] ipv6_add_addr+0x411/0x2000 [10129.744037][ T7704] inet6_addr_add+0x30e/0xa40 [10129.744037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10129.744037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.744037][ T7704] netlink_rcv_skb+0x130/0x360 [10129.744037][ T7704] netlink_unicast+0x449/0x710 [10129.744037][ T7704] netlink_sendmsg+0x723/0xbe0 [10129.744037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10129.744037][ T7704] ___sys_sendmsg+0xee/0x170 [10129.744037][ T7704] __sys_sendmsg+0xcd/0x170 [10129.744037][ T7704] do_syscall_64+0xc6/0x1e0 [10129.744037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.744037][ T7704] [10129.749429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10129.749429][ T7704] netdev_get_by_index+0x5e/0x80 [10129.749429][ T7704] fib6_nh_init+0x3d8/0x15b0 [10129.749429][ T7704] ip6_route_info_create+0xf18/0x17d0 [10129.749429][ T7704] ip6_route_add+0x1c/0x140 [10129.749429][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10129.749429][ T7704] addrconf_add_dev+0xe2/0x170 [10129.749429][ T7704] inet6_addr_add+0x12f/0xa40 [10129.749429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10129.749429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.749429][ T7704] netlink_rcv_skb+0x130/0x360 [10129.749429][ T7704] netlink_unicast+0x449/0x710 [10129.749429][ T7704] netlink_sendmsg+0x723/0xbe0 [10129.749429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10129.749429][ T7704] ___sys_sendmsg+0xee/0x170 [10129.749429][ T7704] __sys_sendmsg+0xcd/0x170 [10129.749429][ T7704] do_syscall_64+0xc6/0x1e0 [10129.749429][ T7704] [10129.755882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10129.755882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10129.755882][ T7704] ipv6_find_idev+0x102/0x170 [10129.755882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10129.755882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.755882][ T7704] netlink_rcv_skb+0x130/0x360 [10129.755882][ T7704] netlink_unicast+0x449/0x710 [10129.755882][ T7704] netlink_sendmsg+0x723/0xbe0 [10129.755882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10129.755882][ T7704] ___sys_sendmsg+0xee/0x170 [10129.755882][ T7704] __sys_sendmsg+0xcd/0x170 [10129.755882][ T7704] do_syscall_64+0xc6/0x1e0 [10129.755882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.755882][ T7704] [10129.760972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10129.760972][ T7704] neigh_parms_alloc+0x1e5/0x510 [10129.760972][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10129.760972][ T7704] ipv6_find_idev+0x102/0x170 [10129.760972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10129.760972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.760972][ T7704] netlink_rcv_skb+0x130/0x360 [10129.760972][ T7704] netlink_unicast+0x449/0x710 [10129.760972][ T7704] netlink_sendmsg+0x723/0xbe0 [10129.760972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10129.760972][ T7704] ___sys_sendmsg+0xee/0x170 [10129.760972][ T7704] __sys_sendmsg+0xcd/0x170 [10129.760972][ T7704] do_syscall_64+0xc6/0x1e0 [10129.760972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.760972][ T7704] [10140.007117][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10140.007909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10140.007909][ T7704] netdev_get_by_index+0x5e/0x80 [10140.007909][ T7704] fib6_nh_init+0x3d8/0x15b0 [10140.007909][ T7704] ip6_route_info_create+0xf18/0x17d0 [10140.007909][ T7704] ip6_route_add+0x1c/0x140 [10140.007909][ T7704] addrconf_prefix_route+0x2a6/0x430 [10140.007909][ T7704] inet6_addr_add+0x4f8/0xa40 [10140.007909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10140.007909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.007909][ T7704] netlink_rcv_skb+0x130/0x360 [10140.007909][ T7704] netlink_unicast+0x449/0x710 [10140.007909][ T7704] netlink_sendmsg+0x723/0xbe0 [10140.007909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10140.007909][ T7704] ___sys_sendmsg+0xee/0x170 [10140.007909][ T7704] __sys_sendmsg+0xcd/0x170 [10140.007909][ T7704] do_syscall_64+0xc6/0x1e0 [10140.007909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.007909][ T7704] [10140.012290][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10140.012290][ T7704] netdev_get_by_index+0x5e/0x80 [10140.012290][ T7704] fib6_nh_init+0x3d8/0x15b0 [10140.012290][ T7704] ip6_route_info_create+0xf18/0x17d0 [10140.012290][ T7704] addrconf_f6i_alloc+0x315/0x560 [10140.012290][ T7704] ipv6_add_addr+0x411/0x2000 [10140.012290][ T7704] inet6_addr_add+0x30e/0xa40 [10140.012290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10140.012290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.012290][ T7704] netlink_rcv_skb+0x130/0x360 [10140.012290][ T7704] netlink_unicast+0x449/0x710 [10140.012290][ T7704] netlink_sendmsg+0x723/0xbe0 [10140.012290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10140.012290][ T7704] ___sys_sendmsg+0xee/0x170 [10140.012290][ T7704] __sys_sendmsg+0xcd/0x170 [10140.012290][ T7704] do_syscall_64+0xc6/0x1e0 [10140.012290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.012290][ T7704] [10140.016653][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10140.016653][ T7704] netdev_get_by_index+0x5e/0x80 [10140.016653][ T7704] fib6_nh_init+0x3d8/0x15b0 [10140.016653][ T7704] ip6_route_info_create+0xf18/0x17d0 [10140.016653][ T7704] ip6_route_add+0x1c/0x140 [10140.016653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10140.016653][ T7704] addrconf_add_dev+0xe2/0x170 [10140.016653][ T7704] inet6_addr_add+0x12f/0xa40 [10140.016653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10140.016653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.016653][ T7704] netlink_rcv_skb+0x130/0x360 [10140.016653][ T7704] netlink_unicast+0x449/0x710 [10140.016653][ T7704] netlink_sendmsg+0x723/0xbe0 [10140.016653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10140.016653][ T7704] ___sys_sendmsg+0xee/0x170 [10140.016653][ T7704] __sys_sendmsg+0xcd/0x170 [10140.016653][ T7704] do_syscall_64+0xc6/0x1e0 [10140.016653][ T7704] [10140.021805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10140.021805][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10140.021805][ T7704] ipv6_find_idev+0x102/0x170 [10140.021805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10140.021805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.021805][ T7704] netlink_rcv_skb+0x130/0x360 [10140.021805][ T7704] netlink_unicast+0x449/0x710 [10140.021805][ T7704] netlink_sendmsg+0x723/0xbe0 [10140.021805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10140.021805][ T7704] ___sys_sendmsg+0xee/0x170 [10140.021805][ T7704] __sys_sendmsg+0xcd/0x170 [10140.021805][ T7704] do_syscall_64+0xc6/0x1e0 [10140.021805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.021805][ T7704] [10140.046196][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10140.046196][ T7704] neigh_parms_alloc+0x1e5/0x510 [10140.046196][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10140.046196][ T7704] ipv6_find_idev+0x102/0x170 [10140.046196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10140.046196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.046196][ T7704] netlink_rcv_skb+0x130/0x360 [10140.046196][ T7704] netlink_unicast+0x449/0x710 [10140.046196][ T7704] netlink_sendmsg+0x723/0xbe0 [10140.046196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10140.046196][ T7704] ___sys_sendmsg+0xee/0x170 [10140.046196][ T7704] __sys_sendmsg+0xcd/0x170 [10140.046196][ T7704] do_syscall_64+0xc6/0x1e0 [10140.046196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.046196][ T7704] [10150.295196][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10150.303509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10150.303509][ T7704] netdev_get_by_index+0x5e/0x80 [10150.303509][ T7704] fib6_nh_init+0x3d8/0x15b0 [10150.303509][ T7704] ip6_route_info_create+0xf18/0x17d0 [10150.303509][ T7704] ip6_route_add+0x1c/0x140 [10150.303509][ T7704] addrconf_prefix_route+0x2a6/0x430 [10150.303509][ T7704] inet6_addr_add+0x4f8/0xa40 [10150.303509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10150.303509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10150.303509][ T7704] netlink_rcv_skb+0x130/0x360 [10150.303509][ T7704] netlink_unicast+0x449/0x710 [10150.303509][ T7704] netlink_sendmsg+0x723/0xbe0 [10150.303509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10150.303509][ T7704] ___sys_sendmsg+0xee/0x170 [10150.303509][ T7704] __sys_sendmsg+0xcd/0x170 [10150.303509][ T7704] do_syscall_64+0xc6/0x1e0 [10150.303509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10150.303509][ T7704] [10150.310545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10150.310545][ T7704] netdev_get_by_index+0x5e/0x80 [10150.310545][ T7704] fib6_nh_init+0x3d8/0x15b0 [10150.310545][ T7704] ip6_route_info_create+0xf18/0x17d0 [10150.310545][ T7704] addrconf_f6i_alloc+0x315/0x560 [10150.310545][ T7704] ipv6_add_addr+0x411/0x2000 [10150.310545][ T7704] inet6_addr_add+0x30e/0xa40 [10150.310545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10150.310545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10150.310545][ T7704] netlink_rcv_skb+0x130/0x360 [10150.310545][ T7704] netlink_unicast+0x449/0x710 [10150.310545][ T7704] netlink_sendmsg+0x723/0xbe0 [10150.310545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10150.310545][ T7704] ___sys_sendmsg+0xee/0x170 [10150.310545][ T7704] __sys_sendmsg+0xcd/0x170 [10150.310545][ T7704] do_syscall_64+0xc6/0x1e0 [10150.310545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10150.310545][ T7704] [10150.335491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10150.335491][ T7704] netdev_get_by_index+0x5e/0x80 [10150.335491][ T7704] fib6_nh_init+0x3d8/0x15b0 [10150.335491][ T7704] ip6_route_info_create+0xf18/0x17d0 [10150.335491][ T7704] ip6_route_add+0x1c/0x140 [10150.335491][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10150.335491][ T7704] addrconf_add_dev+0xe2/0x170 [10150.335491][ T7704] inet6_addr_add+0x12f/0xa40 [10150.335491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10150.335491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10150.335491][ T7704] netlink_rcv_skb+0x130/0x360 [10150.335491][ T7704] netlink_unicast+0x449/0x710 [10150.335491][ T7704] netlink_sendmsg+0x723/0xbe0 [10150.335491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10150.335491][ T7704] ___sys_sendmsg+0xee/0x170 [10150.335491][ T7704] __sys_sendmsg+0xcd/0x170 [10150.335491][ T7704] do_syscall_64+0xc6/0x1e0 [10150.335491][ T7704] [10150.342548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10150.342548][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10150.342548][ T7704] ipv6_find_idev+0x102/0x170 [10150.342548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10150.342548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10150.342548][ T7704] netlink_rcv_skb+0x130/0x360 [10150.342548][ T7704] netlink_unicast+0x449/0x710 [10150.342548][ T7704] netlink_sendmsg+0x723/0xbe0 [10150.342548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10150.342548][ T7704] ___sys_sendmsg+0xee/0x170 [10150.342548][ T7704] __sys_sendmsg+0xcd/0x170 [10150.342548][ T7704] do_syscall_64+0xc6/0x1e0 [10150.342548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10150.342548][ T7704] [10150.348360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10150.348360][ T7704] neigh_parms_alloc+0x1e5/0x510 [10150.348360][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10150.348360][ T7704] ipv6_find_idev+0x102/0x170 [10150.348360][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10150.348360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10150.348360][ T7704] netlink_rcv_skb+0x130/0x360 [10150.348360][ T7704] netlink_unicast+0x449/0x710 [10150.348360][ T7704] netlink_sendmsg+0x723/0xbe0 [10150.348360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10150.348360][ T7704] ___sys_sendmsg+0xee/0x170 [10150.348360][ T7704] __sys_sendmsg+0xcd/0x170 [10150.348360][ T7704] do_syscall_64+0xc6/0x1e0 [10150.348360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10150.348360][ T7704] [10160.615183][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10160.623008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10160.623008][ T7704] netdev_get_by_index+0x5e/0x80 [10160.623008][ T7704] fib6_nh_init+0x3d8/0x15b0 [10160.623008][ T7704] ip6_route_info_create+0xf18/0x17d0 [10160.623008][ T7704] ip6_route_add+0x1c/0x140 [10160.623008][ T7704] addrconf_prefix_route+0x2a6/0x430 [10160.623008][ T7704] inet6_addr_add+0x4f8/0xa40 [10160.623008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10160.623008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10160.623008][ T7704] netlink_rcv_skb+0x130/0x360 [10160.623008][ T7704] netlink_unicast+0x449/0x710 [10160.623008][ T7704] netlink_sendmsg+0x723/0xbe0 [10160.623008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10160.623008][ T7704] ___sys_sendmsg+0xee/0x170 [10160.623008][ T7704] __sys_sendmsg+0xcd/0x170 [10160.623008][ T7704] do_syscall_64+0xc6/0x1e0 [10160.623008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10160.623008][ T7704] [10160.629343][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10160.629343][ T7704] netdev_get_by_index+0x5e/0x80 [10160.629343][ T7704] fib6_nh_init+0x3d8/0x15b0 [10160.629343][ T7704] ip6_route_info_create+0xf18/0x17d0 [10160.629343][ T7704] addrconf_f6i_alloc+0x315/0x560 [10160.629343][ T7704] ipv6_add_addr+0x411/0x2000 [10160.629343][ T7704] inet6_addr_add+0x30e/0xa40 [10160.629343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10160.629343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10160.629343][ T7704] netlink_rcv_skb+0x130/0x360 [10160.629343][ T7704] netlink_unicast+0x449/0x710 [10160.629343][ T7704] netlink_sendmsg+0x723/0xbe0 [10160.629343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10160.629343][ T7704] ___sys_sendmsg+0xee/0x170 [10160.629343][ T7704] __sys_sendmsg+0xcd/0x170 [10160.629343][ T7704] do_syscall_64+0xc6/0x1e0 [10160.629343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10160.629343][ T7704] [10160.663955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10160.663955][ T7704] netdev_get_by_index+0x5e/0x80 [10160.663955][ T7704] fib6_nh_init+0x3d8/0x15b0 [10160.663955][ T7704] ip6_route_info_create+0xf18/0x17d0 [10160.663955][ T7704] ip6_route_add+0x1c/0x140 [10160.663955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10160.663955][ T7704] addrconf_add_dev+0xe2/0x170 [10160.663955][ T7704] inet6_addr_add+0x12f/0xa40 [10160.663955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10160.663955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10160.663955][ T7704] netlink_rcv_skb+0x130/0x360 [10160.663955][ T7704] netlink_unicast+0x449/0x710 [10160.663955][ T7704] netlink_sendmsg+0x723/0xbe0 [10160.663955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10160.663955][ T7704] ___sys_sendmsg+0xee/0x170 [10160.663955][ T7704] __sys_sendmsg+0xcd/0x170 [10160.663955][ T7704] do_syscall_64+0xc6/0x1e0 [10160.663955][ T7704] [10160.669341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10160.669341][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10160.669341][ T7704] ipv6_find_idev+0x102/0x170 [10160.669341][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10160.669341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10160.669341][ T7704] netlink_rcv_skb+0x130/0x360 [10160.669341][ T7704] netlink_unicast+0x449/0x710 [10160.669341][ T7704] netlink_sendmsg+0x723/0xbe0 [10160.669341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10160.669341][ T7704] ___sys_sendmsg+0xee/0x170 [10160.669341][ T7704] __sys_sendmsg+0xcd/0x170 [10160.669341][ T7704] do_syscall_64+0xc6/0x1e0 [10160.669341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10160.669341][ T7704] [10160.673565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10160.673565][ T7704] neigh_parms_alloc+0x1e5/0x510 [10160.673565][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10160.673565][ T7704] ipv6_find_idev+0x102/0x170 [10160.673565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10160.673565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10160.673565][ T7704] netlink_rcv_skb+0x130/0x360 [10160.673565][ T7704] netlink_unicast+0x449/0x710 [10160.673565][ T7704] netlink_sendmsg+0x723/0xbe0 [10160.673565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10160.673565][ T7704] ___sys_sendmsg+0xee/0x170 [10160.673565][ T7704] __sys_sendmsg+0xcd/0x170 [10160.673565][ T7704] do_syscall_64+0xc6/0x1e0 [10160.673565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10160.673565][ T7704] [10170.919121][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10170.932882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10170.932882][ T7704] netdev_get_by_index+0x5e/0x80 [10170.932882][ T7704] fib6_nh_init+0x3d8/0x15b0 [10170.932882][ T7704] ip6_route_info_create+0xf18/0x17d0 [10170.932882][ T7704] ip6_route_add+0x1c/0x140 [10170.932882][ T7704] addrconf_prefix_route+0x2a6/0x430 [10170.932882][ T7704] inet6_addr_add+0x4f8/0xa40 [10170.932882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10170.932882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.932882][ T7704] netlink_rcv_skb+0x130/0x360 [10170.932882][ T7704] netlink_unicast+0x449/0x710 [10170.932882][ T7704] netlink_sendmsg+0x723/0xbe0 [10170.932882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10170.932882][ T7704] ___sys_sendmsg+0xee/0x170 [10170.932882][ T7704] __sys_sendmsg+0xcd/0x170 [10170.932882][ T7704] do_syscall_64+0xc6/0x1e0 [10170.932882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.932882][ T7704] [10170.983346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10170.983346][ T7704] netdev_get_by_index+0x5e/0x80 [10170.983346][ T7704] fib6_nh_init+0x3d8/0x15b0 [10170.983346][ T7704] ip6_route_info_create+0xf18/0x17d0 [10170.983346][ T7704] addrconf_f6i_alloc+0x315/0x560 [10170.983346][ T7704] ipv6_add_addr+0x411/0x2000 [10170.983346][ T7704] inet6_addr_add+0x30e/0xa40 [10170.983346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10170.983346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.983346][ T7704] netlink_rcv_skb+0x130/0x360 [10170.983346][ T7704] netlink_unicast+0x449/0x710 [10170.983346][ T7704] netlink_sendmsg+0x723/0xbe0 [10170.983346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10170.983346][ T7704] ___sys_sendmsg+0xee/0x170 [10170.983346][ T7704] __sys_sendmsg+0xcd/0x170 [10170.983346][ T7704] do_syscall_64+0xc6/0x1e0 [10170.983346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.983346][ T7704] [10170.988472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10170.988472][ T7704] netdev_get_by_index+0x5e/0x80 [10170.988472][ T7704] fib6_nh_init+0x3d8/0x15b0 [10170.988472][ T7704] ip6_route_info_create+0xf18/0x17d0 [10170.988472][ T7704] ip6_route_add+0x1c/0x140 [10170.988472][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10170.988472][ T7704] addrconf_add_dev+0xe2/0x170 [10170.988472][ T7704] inet6_addr_add+0x12f/0xa40 [10170.988472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10170.988472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.988472][ T7704] netlink_rcv_skb+0x130/0x360 [10170.988472][ T7704] netlink_unicast+0x449/0x710 [10170.988472][ T7704] netlink_sendmsg+0x723/0xbe0 [10170.988472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10170.988472][ T7704] ___sys_sendmsg+0xee/0x170 [10170.988472][ T7704] __sys_sendmsg+0xcd/0x170 [10170.988472][ T7704] do_syscall_64+0xc6/0x1e0 [10170.988472][ T7704] [10170.993644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10170.993644][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10170.993644][ T7704] ipv6_find_idev+0x102/0x170 [10170.993644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10170.993644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.993644][ T7704] netlink_rcv_skb+0x130/0x360 [10170.993644][ T7704] netlink_unicast+0x449/0x710 [10170.993644][ T7704] netlink_sendmsg+0x723/0xbe0 [10170.993644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10170.993644][ T7704] ___sys_sendmsg+0xee/0x170 [10170.993644][ T7704] __sys_sendmsg+0xcd/0x170 [10170.993644][ T7704] do_syscall_64+0xc6/0x1e0 [10170.993644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.993644][ T7704] [10171.015040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10171.015040][ T7704] neigh_parms_alloc+0x1e5/0x510 [10171.015040][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10171.015040][ T7704] ipv6_find_idev+0x102/0x170 [10171.015040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10171.015040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.015040][ T7704] netlink_rcv_skb+0x130/0x360 [10171.015040][ T7704] netlink_unicast+0x449/0x710 [10171.015040][ T7704] netlink_sendmsg+0x723/0xbe0 [10171.015040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10171.015040][ T7704] ___sys_sendmsg+0xee/0x170 [10171.015040][ T7704] __sys_sendmsg+0xcd/0x170 [10171.015040][ T7704] do_syscall_64+0xc6/0x1e0 [10171.015040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.015040][ T7704] [10181.254993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10181.272329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10181.272329][ T7704] netdev_get_by_index+0x5e/0x80 [10181.272329][ T7704] fib6_nh_init+0x3d8/0x15b0 [10181.272329][ T7704] ip6_route_info_create+0xf18/0x17d0 [10181.272329][ T7704] ip6_route_add+0x1c/0x140 [10181.272329][ T7704] addrconf_prefix_route+0x2a6/0x430 [10181.272329][ T7704] inet6_addr_add+0x4f8/0xa40 [10181.272329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10181.272329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10181.272329][ T7704] netlink_rcv_skb+0x130/0x360 [10181.272329][ T7704] netlink_unicast+0x449/0x710 [10181.272329][ T7704] netlink_sendmsg+0x723/0xbe0 [10181.272329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10181.272329][ T7704] ___sys_sendmsg+0xee/0x170 [10181.272329][ T7704] __sys_sendmsg+0xcd/0x170 [10181.272329][ T7704] do_syscall_64+0xc6/0x1e0 [10181.272329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10181.272329][ T7704] [10181.293126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10181.293126][ T7704] netdev_get_by_index+0x5e/0x80 [10181.293126][ T7704] fib6_nh_init+0x3d8/0x15b0 [10181.293126][ T7704] ip6_route_info_create+0xf18/0x17d0 [10181.293126][ T7704] addrconf_f6i_alloc+0x315/0x560 [10181.293126][ T7704] ipv6_add_addr+0x411/0x2000 [10181.293126][ T7704] inet6_addr_add+0x30e/0xa40 [10181.293126][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10181.293126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10181.293126][ T7704] netlink_rcv_skb+0x130/0x360 [10181.293126][ T7704] netlink_unicast+0x449/0x710 [10181.293126][ T7704] netlink_sendmsg+0x723/0xbe0 [10181.293126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10181.293126][ T7704] ___sys_sendmsg+0xee/0x170 [10181.293126][ T7704] __sys_sendmsg+0xcd/0x170 [10181.293126][ T7704] do_syscall_64+0xc6/0x1e0 [10181.293126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10181.293126][ T7704] [10181.300370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10181.300370][ T7704] netdev_get_by_index+0x5e/0x80 [10181.300370][ T7704] fib6_nh_init+0x3d8/0x15b0 [10181.300370][ T7704] ip6_route_info_create+0xf18/0x17d0 [10181.300370][ T7704] ip6_route_add+0x1c/0x140 [10181.300370][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10181.300370][ T7704] addrconf_add_dev+0xe2/0x170 [10181.300370][ T7704] inet6_addr_add+0x12f/0xa40 [10181.300370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10181.300370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10181.300370][ T7704] netlink_rcv_skb+0x130/0x360 [10181.300370][ T7704] netlink_unicast+0x449/0x710 [10181.300370][ T7704] netlink_sendmsg+0x723/0xbe0 [10181.300370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10181.300370][ T7704] ___sys_sendmsg+0xee/0x170 [10181.300370][ T7704] __sys_sendmsg+0xcd/0x170 [10181.300370][ T7704] do_syscall_64+0xc6/0x1e0 [10181.300370][ T7704] [10181.347059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10181.347059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10181.347059][ T7704] ipv6_find_idev+0x102/0x170 [10181.347059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10181.347059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10181.347059][ T7704] netlink_rcv_skb+0x130/0x360 [10181.347059][ T7704] netlink_unicast+0x449/0x710 [10181.347059][ T7704] netlink_sendmsg+0x723/0xbe0 [10181.347059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10181.347059][ T7704] ___sys_sendmsg+0xee/0x170 [10181.347059][ T7704] __sys_sendmsg+0xcd/0x170 [10181.347059][ T7704] do_syscall_64+0xc6/0x1e0 [10181.347059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10181.347059][ T7704] [10181.352712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10181.352712][ T7704] neigh_parms_alloc+0x1e5/0x510 [10181.352712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10181.352712][ T7704] ipv6_find_idev+0x102/0x170 [10181.352712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10181.352712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10181.352712][ T7704] netlink_rcv_skb+0x130/0x360 [10181.352712][ T7704] netlink_unicast+0x449/0x710 [10181.352712][ T7704] netlink_sendmsg+0x723/0xbe0 [10181.352712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10181.352712][ T7704] ___sys_sendmsg+0xee/0x170 [10181.352712][ T7704] __sys_sendmsg+0xcd/0x170 [10181.352712][ T7704] do_syscall_64+0xc6/0x1e0 [10181.352712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10181.352712][ T7704] [10191.615082][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10191.632284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10191.632284][ T7704] netdev_get_by_index+0x5e/0x80 [10191.632284][ T7704] fib6_nh_init+0x3d8/0x15b0 [10191.632284][ T7704] ip6_route_info_create+0xf18/0x17d0 [10191.632284][ T7704] ip6_route_add+0x1c/0x140 [10191.632284][ T7704] addrconf_prefix_route+0x2a6/0x430 [10191.632284][ T7704] inet6_addr_add+0x4f8/0xa40 [10191.632284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10191.632284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10191.632284][ T7704] netlink_rcv_skb+0x130/0x360 [10191.632284][ T7704] netlink_unicast+0x449/0x710 [10191.632284][ T7704] netlink_sendmsg+0x723/0xbe0 [10191.632284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10191.632284][ T7704] ___sys_sendmsg+0xee/0x170 [10191.632284][ T7704] __sys_sendmsg+0xcd/0x170 [10191.632284][ T7704] do_syscall_64+0xc6/0x1e0 [10191.632284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10191.632284][ T7704] [10191.639263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10191.639263][ T7704] netdev_get_by_index+0x5e/0x80 [10191.639263][ T7704] fib6_nh_init+0x3d8/0x15b0 [10191.639263][ T7704] ip6_route_info_create+0xf18/0x17d0 [10191.639263][ T7704] addrconf_f6i_alloc+0x315/0x560 [10191.639263][ T7704] ipv6_add_addr+0x411/0x2000 [10191.639263][ T7704] inet6_addr_add+0x30e/0xa40 [10191.639263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10191.639263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10191.639263][ T7704] netlink_rcv_skb+0x130/0x360 [10191.639263][ T7704] netlink_unicast+0x449/0x710 [10191.639263][ T7704] netlink_sendmsg+0x723/0xbe0 [10191.639263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10191.639263][ T7704] ___sys_sendmsg+0xee/0x170 [10191.639263][ T7704] __sys_sendmsg+0xcd/0x170 [10191.639263][ T7704] do_syscall_64+0xc6/0x1e0 [10191.639263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10191.639263][ T7704] [10191.653298][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10191.653298][ T7704] netdev_get_by_index+0x5e/0x80 [10191.653298][ T7704] fib6_nh_init+0x3d8/0x15b0 [10191.653298][ T7704] ip6_route_info_create+0xf18/0x17d0 [10191.653298][ T7704] ip6_route_add+0x1c/0x140 [10191.653298][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10191.653298][ T7704] addrconf_add_dev+0xe2/0x170 [10191.653298][ T7704] inet6_addr_add+0x12f/0xa40 [10191.653298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10191.653298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10191.653298][ T7704] netlink_rcv_skb+0x130/0x360 [10191.653298][ T7704] netlink_unicast+0x449/0x710 [10191.653298][ T7704] netlink_sendmsg+0x723/0xbe0 [10191.653298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10191.653298][ T7704] ___sys_sendmsg+0xee/0x170 [10191.653298][ T7704] __sys_sendmsg+0xcd/0x170 [10191.653298][ T7704] do_syscall_64+0xc6/0x1e0 [10191.653298][ T7704] [10191.660889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10191.660889][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10191.660889][ T7704] ipv6_find_idev+0x102/0x170 [10191.660889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10191.660889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10191.660889][ T7704] netlink_rcv_skb+0x130/0x360 [10191.660889][ T7704] netlink_unicast+0x449/0x710 [10191.660889][ T7704] netlink_sendmsg+0x723/0xbe0 [10191.660889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10191.660889][ T7704] ___sys_sendmsg+0xee/0x170 [10191.660889][ T7704] __sys_sendmsg+0xcd/0x170 [10191.660889][ T7704] do_syscall_64+0xc6/0x1e0 [10191.660889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10191.660889][ T7704] [10191.666607][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10191.666607][ T7704] neigh_parms_alloc+0x1e5/0x510 [10191.666607][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10191.666607][ T7704] ipv6_find_idev+0x102/0x170 [10191.666607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10191.666607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10191.666607][ T7704] netlink_rcv_skb+0x130/0x360 [10191.666607][ T7704] netlink_unicast+0x449/0x710 [10191.666607][ T7704] netlink_sendmsg+0x723/0xbe0 [10191.666607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10191.666607][ T7704] ___sys_sendmsg+0xee/0x170 [10191.666607][ T7704] __sys_sendmsg+0xcd/0x170 [10191.666607][ T7704] do_syscall_64+0xc6/0x1e0 [10191.666607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10191.666607][ T7704] [10201.911147][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10201.911935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10201.911935][ T7704] netdev_get_by_index+0x5e/0x80 [10201.911935][ T7704] fib6_nh_init+0x3d8/0x15b0 [10201.911935][ T7704] ip6_route_info_create+0xf18/0x17d0 [10201.911935][ T7704] ip6_route_add+0x1c/0x140 [10201.911935][ T7704] addrconf_prefix_route+0x2a6/0x430 [10201.911935][ T7704] inet6_addr_add+0x4f8/0xa40 [10201.911935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10201.911935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10201.911935][ T7704] netlink_rcv_skb+0x130/0x360 [10201.911935][ T7704] netlink_unicast+0x449/0x710 [10201.911935][ T7704] netlink_sendmsg+0x723/0xbe0 [10201.911935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10201.911935][ T7704] ___sys_sendmsg+0xee/0x170 [10201.911935][ T7704] __sys_sendmsg+0xcd/0x170 [10201.911935][ T7704] do_syscall_64+0xc6/0x1e0 [10201.911935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10201.911935][ T7704] [10201.928591][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10201.928591][ T7704] netdev_get_by_index+0x5e/0x80 [10201.928591][ T7704] fib6_nh_init+0x3d8/0x15b0 [10201.928591][ T7704] ip6_route_info_create+0xf18/0x17d0 [10201.928591][ T7704] addrconf_f6i_alloc+0x315/0x560 [10201.928591][ T7704] ipv6_add_addr+0x411/0x2000 [10201.928591][ T7704] inet6_addr_add+0x30e/0xa40 [10201.928591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10201.928591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10201.928591][ T7704] netlink_rcv_skb+0x130/0x360 [10201.928591][ T7704] netlink_unicast+0x449/0x710 [10201.928591][ T7704] netlink_sendmsg+0x723/0xbe0 [10201.928591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10201.928591][ T7704] ___sys_sendmsg+0xee/0x170 [10201.928591][ T7704] __sys_sendmsg+0xcd/0x170 [10201.928591][ T7704] do_syscall_64+0xc6/0x1e0 [10201.928591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10201.928591][ T7704] [10201.944335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10201.944335][ T7704] netdev_get_by_index+0x5e/0x80 [10201.944335][ T7704] fib6_nh_init+0x3d8/0x15b0 [10201.944335][ T7704] ip6_route_info_create+0xf18/0x17d0 [10201.944335][ T7704] ip6_route_add+0x1c/0x140 [10201.944335][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10201.944335][ T7704] addrconf_add_dev+0xe2/0x170 [10201.944335][ T7704] inet6_addr_add+0x12f/0xa40 [10201.944335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10201.944335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10201.944335][ T7704] netlink_rcv_skb+0x130/0x360 [10201.944335][ T7704] netlink_unicast+0x449/0x710 [10201.944335][ T7704] netlink_sendmsg+0x723/0xbe0 [10201.944335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10201.944335][ T7704] ___sys_sendmsg+0xee/0x170 [10201.944335][ T7704] __sys_sendmsg+0xcd/0x170 [10201.944335][ T7704] do_syscall_64+0xc6/0x1e0 [10201.944335][ T7704] [10201.950794][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10201.950794][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10201.950794][ T7704] ipv6_find_idev+0x102/0x170 [10201.950794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10201.950794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10201.950794][ T7704] netlink_rcv_skb+0x130/0x360 [10201.950794][ T7704] netlink_unicast+0x449/0x710 [10201.950794][ T7704] netlink_sendmsg+0x723/0xbe0 [10201.950794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10201.950794][ T7704] ___sys_sendmsg+0xee/0x170 [10201.950794][ T7704] __sys_sendmsg+0xcd/0x170 [10201.950794][ T7704] do_syscall_64+0xc6/0x1e0 [10201.950794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10201.950794][ T7704] [10201.955809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10201.955809][ T7704] neigh_parms_alloc+0x1e5/0x510 [10201.955809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10201.955809][ T7704] ipv6_find_idev+0x102/0x170 [10201.955809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10201.955809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10201.955809][ T7704] netlink_rcv_skb+0x130/0x360 [10201.955809][ T7704] netlink_unicast+0x449/0x710 [10201.955809][ T7704] netlink_sendmsg+0x723/0xbe0 [10201.955809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10201.955809][ T7704] ___sys_sendmsg+0xee/0x170 [10201.955809][ T7704] __sys_sendmsg+0xcd/0x170 [10201.955809][ T7704] do_syscall_64+0xc6/0x1e0 [10201.955809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10201.955809][ T7704] [10212.223330][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10212.242344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10212.242344][ T7704] netdev_get_by_index+0x5e/0x80 [10212.242344][ T7704] fib6_nh_init+0x3d8/0x15b0 [10212.242344][ T7704] ip6_route_info_create+0xf18/0x17d0 [10212.242344][ T7704] ip6_route_add+0x1c/0x140 [10212.242344][ T7704] addrconf_prefix_route+0x2a6/0x430 [10212.242344][ T7704] inet6_addr_add+0x4f8/0xa40 [10212.242344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10212.242344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10212.242344][ T7704] netlink_rcv_skb+0x130/0x360 [10212.242344][ T7704] netlink_unicast+0x449/0x710 [10212.242344][ T7704] netlink_sendmsg+0x723/0xbe0 [10212.242344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10212.242344][ T7704] ___sys_sendmsg+0xee/0x170 [10212.242344][ T7704] __sys_sendmsg+0xcd/0x170 [10212.242344][ T7704] do_syscall_64+0xc6/0x1e0 [10212.242344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10212.242344][ T7704] [10212.256445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10212.256445][ T7704] netdev_get_by_index+0x5e/0x80 [10212.256445][ T7704] fib6_nh_init+0x3d8/0x15b0 [10212.256445][ T7704] ip6_route_info_create+0xf18/0x17d0 [10212.256445][ T7704] addrconf_f6i_alloc+0x315/0x560 [10212.256445][ T7704] ipv6_add_addr+0x411/0x2000 [10212.256445][ T7704] inet6_addr_add+0x30e/0xa40 [10212.256445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10212.256445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10212.256445][ T7704] netlink_rcv_skb+0x130/0x360 [10212.256445][ T7704] netlink_unicast+0x449/0x710 [10212.256445][ T7704] netlink_sendmsg+0x723/0xbe0 [10212.256445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10212.256445][ T7704] ___sys_sendmsg+0xee/0x170 [10212.256445][ T7704] __sys_sendmsg+0xcd/0x170 [10212.256445][ T7704] do_syscall_64+0xc6/0x1e0 [10212.256445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10212.256445][ T7704] [10212.263835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10212.263835][ T7704] netdev_get_by_index+0x5e/0x80 [10212.263835][ T7704] fib6_nh_init+0x3d8/0x15b0 [10212.263835][ T7704] ip6_route_info_create+0xf18/0x17d0 [10212.263835][ T7704] ip6_route_add+0x1c/0x140 [10212.263835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10212.263835][ T7704] addrconf_add_dev+0xe2/0x170 [10212.263835][ T7704] inet6_addr_add+0x12f/0xa40 [10212.263835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10212.263835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10212.263835][ T7704] netlink_rcv_skb+0x130/0x360 [10212.263835][ T7704] netlink_unicast+0x449/0x710 [10212.263835][ T7704] netlink_sendmsg+0x723/0xbe0 [10212.263835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10212.263835][ T7704] ___sys_sendmsg+0xee/0x170 [10212.263835][ T7704] __sys_sendmsg+0xcd/0x170 [10212.263835][ T7704] do_syscall_64+0xc6/0x1e0 [10212.263835][ T7704] [10212.274888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10212.274888][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10212.274888][ T7704] ipv6_find_idev+0x102/0x170 [10212.274888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10212.274888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10212.274888][ T7704] netlink_rcv_skb+0x130/0x360 [10212.274888][ T7704] netlink_unicast+0x449/0x710 [10212.274888][ T7704] netlink_sendmsg+0x723/0xbe0 [10212.274888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10212.274888][ T7704] ___sys_sendmsg+0xee/0x170 [10212.274888][ T7704] __sys_sendmsg+0xcd/0x170 [10212.274888][ T7704] do_syscall_64+0xc6/0x1e0 [10212.274888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10212.274888][ T7704] [10212.285093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10212.285093][ T7704] neigh_parms_alloc+0x1e5/0x510 [10212.285093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10212.285093][ T7704] ipv6_find_idev+0x102/0x170 [10212.285093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10212.285093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10212.285093][ T7704] netlink_rcv_skb+0x130/0x360 [10212.285093][ T7704] netlink_unicast+0x449/0x710 [10212.285093][ T7704] netlink_sendmsg+0x723/0xbe0 [10212.285093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10212.285093][ T7704] ___sys_sendmsg+0xee/0x170 [10212.285093][ T7704] __sys_sendmsg+0xcd/0x170 [10212.285093][ T7704] do_syscall_64+0xc6/0x1e0 [10212.285093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10212.285093][ T7704] [10222.535099][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10222.550007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10222.550007][ T7704] netdev_get_by_index+0x5e/0x80 [10222.550007][ T7704] fib6_nh_init+0x3d8/0x15b0 [10222.550007][ T7704] ip6_route_info_create+0xf18/0x17d0 [10222.550007][ T7704] ip6_route_add+0x1c/0x140 [10222.550007][ T7704] addrconf_prefix_route+0x2a6/0x430 [10222.550007][ T7704] inet6_addr_add+0x4f8/0xa40 [10222.550007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10222.550007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10222.550007][ T7704] netlink_rcv_skb+0x130/0x360 [10222.550007][ T7704] netlink_unicast+0x449/0x710 [10222.550007][ T7704] netlink_sendmsg+0x723/0xbe0 [10222.550007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10222.550007][ T7704] ___sys_sendmsg+0xee/0x170 [10222.550007][ T7704] __sys_sendmsg+0xcd/0x170 [10222.550007][ T7704] do_syscall_64+0xc6/0x1e0 [10222.550007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10222.550007][ T7704] [10222.558457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10222.558457][ T7704] netdev_get_by_index+0x5e/0x80 [10222.558457][ T7704] fib6_nh_init+0x3d8/0x15b0 [10222.558457][ T7704] ip6_route_info_create+0xf18/0x17d0 [10222.558457][ T7704] addrconf_f6i_alloc+0x315/0x560 [10222.558457][ T7704] ipv6_add_addr+0x411/0x2000 [10222.558457][ T7704] inet6_addr_add+0x30e/0xa40 [10222.558457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10222.558457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10222.558457][ T7704] netlink_rcv_skb+0x130/0x360 [10222.558457][ T7704] netlink_unicast+0x449/0x710 [10222.558457][ T7704] netlink_sendmsg+0x723/0xbe0 [10222.558457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10222.558457][ T7704] ___sys_sendmsg+0xee/0x170 [10222.558457][ T7704] __sys_sendmsg+0xcd/0x170 [10222.558457][ T7704] do_syscall_64+0xc6/0x1e0 [10222.558457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10222.558457][ T7704] [10222.565481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10222.565481][ T7704] netdev_get_by_index+0x5e/0x80 [10222.565481][ T7704] fib6_nh_init+0x3d8/0x15b0 [10222.565481][ T7704] ip6_route_info_create+0xf18/0x17d0 [10222.565481][ T7704] ip6_route_add+0x1c/0x140 [10222.565481][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10222.565481][ T7704] addrconf_add_dev+0xe2/0x170 [10222.565481][ T7704] inet6_addr_add+0x12f/0xa40 [10222.565481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10222.565481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10222.565481][ T7704] netlink_rcv_skb+0x130/0x360 [10222.565481][ T7704] netlink_unicast+0x449/0x710 [10222.565481][ T7704] netlink_sendmsg+0x723/0xbe0 [10222.565481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10222.565481][ T7704] ___sys_sendmsg+0xee/0x170 [10222.565481][ T7704] __sys_sendmsg+0xcd/0x170 [10222.565481][ T7704] do_syscall_64+0xc6/0x1e0 [10222.565481][ T7704] [10222.572640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10222.572640][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10222.572640][ T7704] ipv6_find_idev+0x102/0x170 [10222.572640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10222.572640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10222.572640][ T7704] netlink_rcv_skb+0x130/0x360 [10222.572640][ T7704] netlink_unicast+0x449/0x710 [10222.572640][ T7704] netlink_sendmsg+0x723/0xbe0 [10222.572640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10222.572640][ T7704] ___sys_sendmsg+0xee/0x170 [10222.572640][ T7704] __sys_sendmsg+0xcd/0x170 [10222.572640][ T7704] do_syscall_64+0xc6/0x1e0 [10222.572640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10222.572640][ T7704] [10222.604828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10222.604828][ T7704] neigh_parms_alloc+0x1e5/0x510 [10222.604828][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10222.604828][ T7704] ipv6_find_idev+0x102/0x170 [10222.604828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10222.604828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10222.604828][ T7704] netlink_rcv_skb+0x130/0x360 [10222.604828][ T7704] netlink_unicast+0x449/0x710 [10222.604828][ T7704] netlink_sendmsg+0x723/0xbe0 [10222.604828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10222.604828][ T7704] ___sys_sendmsg+0xee/0x170 [10222.604828][ T7704] __sys_sendmsg+0xcd/0x170 [10222.604828][ T7704] do_syscall_64+0xc6/0x1e0 [10222.604828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10222.604828][ T7704] [10232.751115][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10232.772080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10232.772080][ T7704] netdev_get_by_index+0x5e/0x80 [10232.772080][ T7704] fib6_nh_init+0x3d8/0x15b0 [10232.772080][ T7704] ip6_route_info_create+0xf18/0x17d0 [10232.772080][ T7704] ip6_route_add+0x1c/0x140 [10232.772080][ T7704] addrconf_prefix_route+0x2a6/0x430 [10232.772080][ T7704] inet6_addr_add+0x4f8/0xa40 [10232.772080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10232.772080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10232.772080][ T7704] netlink_rcv_skb+0x130/0x360 [10232.772080][ T7704] netlink_unicast+0x449/0x710 [10232.772080][ T7704] netlink_sendmsg+0x723/0xbe0 [10232.772080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10232.772080][ T7704] ___sys_sendmsg+0xee/0x170 [10232.772080][ T7704] __sys_sendmsg+0xcd/0x170 [10232.772080][ T7704] do_syscall_64+0xc6/0x1e0 [10232.772080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10232.772080][ T7704] [10232.803768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10232.803768][ T7704] netdev_get_by_index+0x5e/0x80 [10232.803768][ T7704] fib6_nh_init+0x3d8/0x15b0 [10232.803768][ T7704] ip6_route_info_create+0xf18/0x17d0 [10232.803768][ T7704] addrconf_f6i_alloc+0x315/0x560 [10232.803768][ T7704] ipv6_add_addr+0x411/0x2000 [10232.803768][ T7704] inet6_addr_add+0x30e/0xa40 [10232.803768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10232.803768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10232.803768][ T7704] netlink_rcv_skb+0x130/0x360 [10232.803768][ T7704] netlink_unicast+0x449/0x710 [10232.803768][ T7704] netlink_sendmsg+0x723/0xbe0 [10232.803768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10232.803768][ T7704] ___sys_sendmsg+0xee/0x170 [10232.803768][ T7704] __sys_sendmsg+0xcd/0x170 [10232.803768][ T7704] do_syscall_64+0xc6/0x1e0 [10232.803768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10232.803768][ T7704] [10232.807689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10232.807689][ T7704] netdev_get_by_index+0x5e/0x80 [10232.807689][ T7704] fib6_nh_init+0x3d8/0x15b0 [10232.807689][ T7704] ip6_route_info_create+0xf18/0x17d0 [10232.807689][ T7704] ip6_route_add+0x1c/0x140 [10232.807689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10232.807689][ T7704] addrconf_add_dev+0xe2/0x170 [10232.807689][ T7704] inet6_addr_add+0x12f/0xa40 [10232.807689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10232.807689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10232.807689][ T7704] netlink_rcv_skb+0x130/0x360 [10232.807689][ T7704] netlink_unicast+0x449/0x710 [10232.807689][ T7704] netlink_sendmsg+0x723/0xbe0 [10232.807689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10232.807689][ T7704] ___sys_sendmsg+0xee/0x170 [10232.807689][ T7704] __sys_sendmsg+0xcd/0x170 [10232.807689][ T7704] do_syscall_64+0xc6/0x1e0 [10232.807689][ T7704] [10232.811592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10232.811592][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10232.811592][ T7704] ipv6_find_idev+0x102/0x170 [10232.811592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10232.811592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10232.811592][ T7704] netlink_rcv_skb+0x130/0x360 [10232.811592][ T7704] netlink_unicast+0x449/0x710 [10232.811592][ T7704] netlink_sendmsg+0x723/0xbe0 [10232.811592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10232.811592][ T7704] ___sys_sendmsg+0xee/0x170 [10232.811592][ T7704] __sys_sendmsg+0xcd/0x170 [10232.811592][ T7704] do_syscall_64+0xc6/0x1e0 [10232.811592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10232.811592][ T7704] [10232.857538][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10232.857538][ T7704] neigh_parms_alloc+0x1e5/0x510 [10232.857538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10232.857538][ T7704] ipv6_find_idev+0x102/0x170 [10232.857538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10232.857538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10232.857538][ T7704] netlink_rcv_skb+0x130/0x360 [10232.857538][ T7704] netlink_unicast+0x449/0x710 [10232.857538][ T7704] netlink_sendmsg+0x723/0xbe0 [10232.857538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10232.857538][ T7704] ___sys_sendmsg+0xee/0x170 [10232.857538][ T7704] __sys_sendmsg+0xcd/0x170 [10232.857538][ T7704] do_syscall_64+0xc6/0x1e0 [10232.857538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10232.857538][ T7704] [10243.087056][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10243.152047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10243.152047][ T7704] netdev_get_by_index+0x5e/0x80 [10243.152047][ T7704] fib6_nh_init+0x3d8/0x15b0 [10243.152047][ T7704] ip6_route_info_create+0xf18/0x17d0 [10243.152047][ T7704] ip6_route_add+0x1c/0x140 [10243.152047][ T7704] addrconf_prefix_route+0x2a6/0x430 [10243.152047][ T7704] inet6_addr_add+0x4f8/0xa40 [10243.152047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10243.152047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10243.152047][ T7704] netlink_rcv_skb+0x130/0x360 [10243.152047][ T7704] netlink_unicast+0x449/0x710 [10243.152047][ T7704] netlink_sendmsg+0x723/0xbe0 [10243.152047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10243.152047][ T7704] ___sys_sendmsg+0xee/0x170 [10243.152047][ T7704] __sys_sendmsg+0xcd/0x170 [10243.152047][ T7704] do_syscall_64+0xc6/0x1e0 [10243.152047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10243.152047][ T7704] [10243.160994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10243.160994][ T7704] netdev_get_by_index+0x5e/0x80 [10243.160994][ T7704] fib6_nh_init+0x3d8/0x15b0 [10243.160994][ T7704] ip6_route_info_create+0xf18/0x17d0 [10243.160994][ T7704] addrconf_f6i_alloc+0x315/0x560 [10243.160994][ T7704] ipv6_add_addr+0x411/0x2000 [10243.160994][ T7704] inet6_addr_add+0x30e/0xa40 [10243.160994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10243.160994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10243.160994][ T7704] netlink_rcv_skb+0x130/0x360 [10243.160994][ T7704] netlink_unicast+0x449/0x710 [10243.160994][ T7704] netlink_sendmsg+0x723/0xbe0 [10243.160994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10243.160994][ T7704] ___sys_sendmsg+0xee/0x170 [10243.160994][ T7704] __sys_sendmsg+0xcd/0x170 [10243.160994][ T7704] do_syscall_64+0xc6/0x1e0 [10243.160994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10243.160994][ T7704] [10243.222994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10243.222994][ T7704] netdev_get_by_index+0x5e/0x80 [10243.222994][ T7704] fib6_nh_init+0x3d8/0x15b0 [10243.222994][ T7704] ip6_route_info_create+0xf18/0x17d0 [10243.222994][ T7704] ip6_route_add+0x1c/0x140 [10243.222994][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10243.222994][ T7704] addrconf_add_dev+0xe2/0x170 [10243.222994][ T7704] inet6_addr_add+0x12f/0xa40 [10243.222994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10243.222994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10243.222994][ T7704] netlink_rcv_skb+0x130/0x360 [10243.222994][ T7704] netlink_unicast+0x449/0x710 [10243.222994][ T7704] netlink_sendmsg+0x723/0xbe0 [10243.222994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10243.222994][ T7704] ___sys_sendmsg+0xee/0x170 [10243.222994][ T7704] __sys_sendmsg+0xcd/0x170 [10243.222994][ T7704] do_syscall_64+0xc6/0x1e0 [10243.222994][ T7704] [10243.230138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10243.230138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10243.230138][ T7704] ipv6_find_idev+0x102/0x170 [10243.230138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10243.230138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10243.230138][ T7704] netlink_rcv_skb+0x130/0x360 [10243.230138][ T7704] netlink_unicast+0x449/0x710 [10243.230138][ T7704] netlink_sendmsg+0x723/0xbe0 [10243.230138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10243.230138][ T7704] ___sys_sendmsg+0xee/0x170 [10243.230138][ T7704] __sys_sendmsg+0xcd/0x170 [10243.230138][ T7704] do_syscall_64+0xc6/0x1e0 [10243.230138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10243.230138][ T7704] [10243.272365][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10243.272365][ T7704] neigh_parms_alloc+0x1e5/0x510 [10243.272365][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10243.272365][ T7704] ipv6_find_idev+0x102/0x170 [10243.272365][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10243.272365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10243.272365][ T7704] netlink_rcv_skb+0x130/0x360 [10243.272365][ T7704] netlink_unicast+0x449/0x710 [10243.272365][ T7704] netlink_sendmsg+0x723/0xbe0 [10243.272365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10243.272365][ T7704] ___sys_sendmsg+0xee/0x170 [10243.272365][ T7704] __sys_sendmsg+0xcd/0x170 [10243.272365][ T7704] do_syscall_64+0xc6/0x1e0 [10243.272365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10243.272365][ T7704] [10253.519034][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10253.562009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10253.562009][ T7704] netdev_get_by_index+0x5e/0x80 [10253.562009][ T7704] fib6_nh_init+0x3d8/0x15b0 [10253.562009][ T7704] ip6_route_info_create+0xf18/0x17d0 [10253.562009][ T7704] ip6_route_add+0x1c/0x140 [10253.562009][ T7704] addrconf_prefix_route+0x2a6/0x430 [10253.562009][ T7704] inet6_addr_add+0x4f8/0xa40 [10253.562009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10253.562009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10253.562009][ T7704] netlink_rcv_skb+0x130/0x360 [10253.562009][ T7704] netlink_unicast+0x449/0x710 [10253.562009][ T7704] netlink_sendmsg+0x723/0xbe0 [10253.562009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10253.562009][ T7704] ___sys_sendmsg+0xee/0x170 [10253.562009][ T7704] __sys_sendmsg+0xcd/0x170 [10253.562009][ T7704] do_syscall_64+0xc6/0x1e0 [10253.562009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10253.562009][ T7704] [10253.568754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10253.568754][ T7704] netdev_get_by_index+0x5e/0x80 [10253.568754][ T7704] fib6_nh_init+0x3d8/0x15b0 [10253.568754][ T7704] ip6_route_info_create+0xf18/0x17d0 [10253.568754][ T7704] addrconf_f6i_alloc+0x315/0x560 [10253.568754][ T7704] ipv6_add_addr+0x411/0x2000 [10253.568754][ T7704] inet6_addr_add+0x30e/0xa40 [10253.568754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10253.568754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10253.568754][ T7704] netlink_rcv_skb+0x130/0x360 [10253.568754][ T7704] netlink_unicast+0x449/0x710 [10253.568754][ T7704] netlink_sendmsg+0x723/0xbe0 [10253.568754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10253.568754][ T7704] ___sys_sendmsg+0xee/0x170 [10253.568754][ T7704] __sys_sendmsg+0xcd/0x170 [10253.568754][ T7704] do_syscall_64+0xc6/0x1e0 [10253.568754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10253.568754][ T7704] [10253.595570][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10253.595570][ T7704] netdev_get_by_index+0x5e/0x80 [10253.595570][ T7704] fib6_nh_init+0x3d8/0x15b0 [10253.595570][ T7704] ip6_route_info_create+0xf18/0x17d0 [10253.595570][ T7704] ip6_route_add+0x1c/0x140 [10253.595570][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10253.595570][ T7704] addrconf_add_dev+0xe2/0x170 [10253.595570][ T7704] inet6_addr_add+0x12f/0xa40 [10253.595570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10253.595570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10253.595570][ T7704] netlink_rcv_skb+0x130/0x360 [10253.595570][ T7704] netlink_unicast+0x449/0x710 [10253.595570][ T7704] netlink_sendmsg+0x723/0xbe0 [10253.595570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10253.595570][ T7704] ___sys_sendmsg+0xee/0x170 [10253.595570][ T7704] __sys_sendmsg+0xcd/0x170 [10253.595570][ T7704] do_syscall_64+0xc6/0x1e0 [10253.595570][ T7704] [10253.626851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10253.626851][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10253.626851][ T7704] ipv6_find_idev+0x102/0x170 [10253.626851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10253.626851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10253.626851][ T7704] netlink_rcv_skb+0x130/0x360 [10253.626851][ T7704] netlink_unicast+0x449/0x710 [10253.626851][ T7704] netlink_sendmsg+0x723/0xbe0 [10253.626851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10253.626851][ T7704] ___sys_sendmsg+0xee/0x170 [10253.626851][ T7704] __sys_sendmsg+0xcd/0x170 [10253.626851][ T7704] do_syscall_64+0xc6/0x1e0 [10253.626851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10253.626851][ T7704] [10253.666238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10253.666238][ T7704] neigh_parms_alloc+0x1e5/0x510 [10253.666238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10253.666238][ T7704] ipv6_find_idev+0x102/0x170 [10253.666238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10253.666238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10253.666238][ T7704] netlink_rcv_skb+0x130/0x360 [10253.666238][ T7704] netlink_unicast+0x449/0x710 [10253.666238][ T7704] netlink_sendmsg+0x723/0xbe0 [10253.666238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10253.666238][ T7704] ___sys_sendmsg+0xee/0x170 [10253.666238][ T7704] __sys_sendmsg+0xcd/0x170 [10253.666238][ T7704] do_syscall_64+0xc6/0x1e0 [10253.666238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10253.666238][ T7704] [10263.919094][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10263.952091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10263.952091][ T7704] netdev_get_by_index+0x5e/0x80 [10263.952091][ T7704] fib6_nh_init+0x3d8/0x15b0 [10263.952091][ T7704] ip6_route_info_create+0xf18/0x17d0 [10263.952091][ T7704] ip6_route_add+0x1c/0x140 [10263.952091][ T7704] addrconf_prefix_route+0x2a6/0x430 [10263.952091][ T7704] inet6_addr_add+0x4f8/0xa40 [10263.952091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10263.952091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10263.952091][ T7704] netlink_rcv_skb+0x130/0x360 [10263.952091][ T7704] netlink_unicast+0x449/0x710 [10263.952091][ T7704] netlink_sendmsg+0x723/0xbe0 [10263.952091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10263.952091][ T7704] ___sys_sendmsg+0xee/0x170 [10263.952091][ T7704] __sys_sendmsg+0xcd/0x170 [10263.952091][ T7704] do_syscall_64+0xc6/0x1e0 [10263.952091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10263.952091][ T7704] [10263.958261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10263.958261][ T7704] netdev_get_by_index+0x5e/0x80 [10263.958261][ T7704] fib6_nh_init+0x3d8/0x15b0 [10263.958261][ T7704] ip6_route_info_create+0xf18/0x17d0 [10263.958261][ T7704] addrconf_f6i_alloc+0x315/0x560 [10263.958261][ T7704] ipv6_add_addr+0x411/0x2000 [10263.958261][ T7704] inet6_addr_add+0x30e/0xa40 [10263.958261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10263.958261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10263.958261][ T7704] netlink_rcv_skb+0x130/0x360 [10263.958261][ T7704] netlink_unicast+0x449/0x710 [10263.958261][ T7704] netlink_sendmsg+0x723/0xbe0 [10263.958261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10263.958261][ T7704] ___sys_sendmsg+0xee/0x170 [10263.958261][ T7704] __sys_sendmsg+0xcd/0x170 [10263.958261][ T7704] do_syscall_64+0xc6/0x1e0 [10263.958261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10263.958261][ T7704] [10264.002786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10264.002786][ T7704] netdev_get_by_index+0x5e/0x80 [10264.002786][ T7704] fib6_nh_init+0x3d8/0x15b0 [10264.002786][ T7704] ip6_route_info_create+0xf18/0x17d0 [10264.002786][ T7704] ip6_route_add+0x1c/0x140 [10264.002786][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10264.002786][ T7704] addrconf_add_dev+0xe2/0x170 [10264.002786][ T7704] inet6_addr_add+0x12f/0xa40 [10264.002786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10264.002786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.002786][ T7704] netlink_rcv_skb+0x130/0x360 [10264.002786][ T7704] netlink_unicast+0x449/0x710 [10264.002786][ T7704] netlink_sendmsg+0x723/0xbe0 [10264.002786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10264.002786][ T7704] ___sys_sendmsg+0xee/0x170 [10264.002786][ T7704] __sys_sendmsg+0xcd/0x170 [10264.002786][ T7704] do_syscall_64+0xc6/0x1e0 [10264.002786][ T7704] [10264.016331][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10264.016331][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10264.016331][ T7704] ipv6_find_idev+0x102/0x170 [10264.016331][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10264.016331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.016331][ T7704] netlink_rcv_skb+0x130/0x360 [10264.016331][ T7704] netlink_unicast+0x449/0x710 [10264.016331][ T7704] netlink_sendmsg+0x723/0xbe0 [10264.016331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10264.016331][ T7704] ___sys_sendmsg+0xee/0x170 [10264.016331][ T7704] __sys_sendmsg+0xcd/0x170 [10264.016331][ T7704] do_syscall_64+0xc6/0x1e0 [10264.016331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.016331][ T7704] [10264.035184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10264.035184][ T7704] neigh_parms_alloc+0x1e5/0x510 [10264.035184][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10264.035184][ T7704] ipv6_find_idev+0x102/0x170 [10264.035184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10264.035184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.035184][ T7704] netlink_rcv_skb+0x130/0x360 [10264.035184][ T7704] netlink_unicast+0x449/0x710 [10264.035184][ T7704] netlink_sendmsg+0x723/0xbe0 [10264.035184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10264.035184][ T7704] ___sys_sendmsg+0xee/0x170 [10264.035184][ T7704] __sys_sendmsg+0xcd/0x170 [10264.035184][ T7704] do_syscall_64+0xc6/0x1e0 [10264.035184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.035184][ T7704] [10274.302989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10274.331911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10274.331911][ T7704] netdev_get_by_index+0x5e/0x80 [10274.331911][ T7704] fib6_nh_init+0x3d8/0x15b0 [10274.331911][ T7704] ip6_route_info_create+0xf18/0x17d0 [10274.331911][ T7704] ip6_route_add+0x1c/0x140 [10274.331911][ T7704] addrconf_prefix_route+0x2a6/0x430 [10274.331911][ T7704] inet6_addr_add+0x4f8/0xa40 [10274.331911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10274.331911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10274.331911][ T7704] netlink_rcv_skb+0x130/0x360 [10274.331911][ T7704] netlink_unicast+0x449/0x710 [10274.331911][ T7704] netlink_sendmsg+0x723/0xbe0 [10274.331911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10274.331911][ T7704] ___sys_sendmsg+0xee/0x170 [10274.331911][ T7704] __sys_sendmsg+0xcd/0x170 [10274.331911][ T7704] do_syscall_64+0xc6/0x1e0 [10274.331911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10274.331911][ T7704] [10274.336510][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10274.336510][ T7704] netdev_get_by_index+0x5e/0x80 [10274.336510][ T7704] fib6_nh_init+0x3d8/0x15b0 [10274.336510][ T7704] ip6_route_info_create+0xf18/0x17d0 [10274.336510][ T7704] addrconf_f6i_alloc+0x315/0x560 [10274.336510][ T7704] ipv6_add_addr+0x411/0x2000 [10274.336510][ T7704] inet6_addr_add+0x30e/0xa40 [10274.336510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10274.336510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10274.336510][ T7704] netlink_rcv_skb+0x130/0x360 [10274.336510][ T7704] netlink_unicast+0x449/0x710 [10274.336510][ T7704] netlink_sendmsg+0x723/0xbe0 [10274.336510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10274.336510][ T7704] ___sys_sendmsg+0xee/0x170 [10274.336510][ T7704] __sys_sendmsg+0xcd/0x170 [10274.336510][ T7704] do_syscall_64+0xc6/0x1e0 [10274.336510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10274.336510][ T7704] [10274.362514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10274.362514][ T7704] netdev_get_by_index+0x5e/0x80 [10274.362514][ T7704] fib6_nh_init+0x3d8/0x15b0 [10274.362514][ T7704] ip6_route_info_create+0xf18/0x17d0 [10274.362514][ T7704] ip6_route_add+0x1c/0x140 [10274.362514][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10274.362514][ T7704] addrconf_add_dev+0xe2/0x170 [10274.362514][ T7704] inet6_addr_add+0x12f/0xa40 [10274.362514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10274.362514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10274.362514][ T7704] netlink_rcv_skb+0x130/0x360 [10274.362514][ T7704] netlink_unicast+0x449/0x710 [10274.362514][ T7704] netlink_sendmsg+0x723/0xbe0 [10274.362514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10274.362514][ T7704] ___sys_sendmsg+0xee/0x170 [10274.362514][ T7704] __sys_sendmsg+0xcd/0x170 [10274.362514][ T7704] do_syscall_64+0xc6/0x1e0 [10274.362514][ T7704] [10274.383941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10274.383941][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10274.383941][ T7704] ipv6_find_idev+0x102/0x170 [10274.383941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10274.383941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10274.383941][ T7704] netlink_rcv_skb+0x130/0x360 [10274.383941][ T7704] netlink_unicast+0x449/0x710 [10274.383941][ T7704] netlink_sendmsg+0x723/0xbe0 [10274.383941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10274.383941][ T7704] ___sys_sendmsg+0xee/0x170 [10274.383941][ T7704] __sys_sendmsg+0xcd/0x170 [10274.383941][ T7704] do_syscall_64+0xc6/0x1e0 [10274.383941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10274.383941][ T7704] [10274.396886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10274.396886][ T7704] neigh_parms_alloc+0x1e5/0x510 [10274.396886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10274.396886][ T7704] ipv6_find_idev+0x102/0x170 [10274.396886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10274.396886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10274.396886][ T7704] netlink_rcv_skb+0x130/0x360 [10274.396886][ T7704] netlink_unicast+0x449/0x710 [10274.396886][ T7704] netlink_sendmsg+0x723/0xbe0 [10274.396886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10274.396886][ T7704] ___sys_sendmsg+0xee/0x170 [10274.396886][ T7704] __sys_sendmsg+0xcd/0x170 [10274.396886][ T7704] do_syscall_64+0xc6/0x1e0 [10274.396886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10274.396886][ T7704] [10284.695112][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10284.712097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10284.712097][ T7704] netdev_get_by_index+0x5e/0x80 [10284.712097][ T7704] fib6_nh_init+0x3d8/0x15b0 [10284.712097][ T7704] ip6_route_info_create+0xf18/0x17d0 [10284.712097][ T7704] ip6_route_add+0x1c/0x140 [10284.712097][ T7704] addrconf_prefix_route+0x2a6/0x430 [10284.712097][ T7704] inet6_addr_add+0x4f8/0xa40 [10284.712097][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10284.712097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10284.712097][ T7704] netlink_rcv_skb+0x130/0x360 [10284.712097][ T7704] netlink_unicast+0x449/0x710 [10284.712097][ T7704] netlink_sendmsg+0x723/0xbe0 [10284.712097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10284.712097][ T7704] ___sys_sendmsg+0xee/0x170 [10284.712097][ T7704] __sys_sendmsg+0xcd/0x170 [10284.712097][ T7704] do_syscall_64+0xc6/0x1e0 [10284.712097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10284.712097][ T7704] [10284.718238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10284.718238][ T7704] netdev_get_by_index+0x5e/0x80 [10284.718238][ T7704] fib6_nh_init+0x3d8/0x15b0 [10284.718238][ T7704] ip6_route_info_create+0xf18/0x17d0 [10284.718238][ T7704] addrconf_f6i_alloc+0x315/0x560 [10284.718238][ T7704] ipv6_add_addr+0x411/0x2000 [10284.718238][ T7704] inet6_addr_add+0x30e/0xa40 [10284.718238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10284.718238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10284.718238][ T7704] netlink_rcv_skb+0x130/0x360 [10284.718238][ T7704] netlink_unicast+0x449/0x710 [10284.718238][ T7704] netlink_sendmsg+0x723/0xbe0 [10284.718238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10284.718238][ T7704] ___sys_sendmsg+0xee/0x170 [10284.718238][ T7704] __sys_sendmsg+0xcd/0x170 [10284.718238][ T7704] do_syscall_64+0xc6/0x1e0 [10284.718238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10284.718238][ T7704] [10284.724314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10284.724314][ T7704] netdev_get_by_index+0x5e/0x80 [10284.724314][ T7704] fib6_nh_init+0x3d8/0x15b0 [10284.724314][ T7704] ip6_route_info_create+0xf18/0x17d0 [10284.724314][ T7704] ip6_route_add+0x1c/0x140 [10284.724314][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10284.724314][ T7704] addrconf_add_dev+0xe2/0x170 [10284.724314][ T7704] inet6_addr_add+0x12f/0xa40 [10284.724314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10284.724314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10284.724314][ T7704] netlink_rcv_skb+0x130/0x360 [10284.724314][ T7704] netlink_unicast+0x449/0x710 [10284.724314][ T7704] netlink_sendmsg+0x723/0xbe0 [10284.724314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10284.724314][ T7704] ___sys_sendmsg+0xee/0x170 [10284.724314][ T7704] __sys_sendmsg+0xcd/0x170 [10284.724314][ T7704] do_syscall_64+0xc6/0x1e0 [10284.724314][ T7704] [10284.756543][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10284.756543][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10284.756543][ T7704] ipv6_find_idev+0x102/0x170 [10284.756543][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10284.756543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10284.756543][ T7704] netlink_rcv_skb+0x130/0x360 [10284.756543][ T7704] netlink_unicast+0x449/0x710 [10284.756543][ T7704] netlink_sendmsg+0x723/0xbe0 [10284.756543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10284.756543][ T7704] ___sys_sendmsg+0xee/0x170 [10284.756543][ T7704] __sys_sendmsg+0xcd/0x170 [10284.756543][ T7704] do_syscall_64+0xc6/0x1e0 [10284.756543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10284.756543][ T7704] [10284.782489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10284.782489][ T7704] neigh_parms_alloc+0x1e5/0x510 [10284.782489][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10284.782489][ T7704] ipv6_find_idev+0x102/0x170 [10284.782489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10284.782489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10284.782489][ T7704] netlink_rcv_skb+0x130/0x360 [10284.782489][ T7704] netlink_unicast+0x449/0x710 [10284.782489][ T7704] netlink_sendmsg+0x723/0xbe0 [10284.782489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10284.782489][ T7704] ___sys_sendmsg+0xee/0x170 [10284.782489][ T7704] __sys_sendmsg+0xcd/0x170 [10284.782489][ T7704] do_syscall_64+0xc6/0x1e0 [10284.782489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10284.782489][ T7704] [10295.030992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10295.071778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10295.071778][ T7704] netdev_get_by_index+0x5e/0x80 [10295.071778][ T7704] fib6_nh_init+0x3d8/0x15b0 [10295.071778][ T7704] ip6_route_info_create+0xf18/0x17d0 [10295.071778][ T7704] ip6_route_add+0x1c/0x140 [10295.071778][ T7704] addrconf_prefix_route+0x2a6/0x430 [10295.071778][ T7704] inet6_addr_add+0x4f8/0xa40 [10295.071778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10295.071778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.071778][ T7704] netlink_rcv_skb+0x130/0x360 [10295.071778][ T7704] netlink_unicast+0x449/0x710 [10295.071778][ T7704] netlink_sendmsg+0x723/0xbe0 [10295.071778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10295.071778][ T7704] ___sys_sendmsg+0xee/0x170 [10295.071778][ T7704] __sys_sendmsg+0xcd/0x170 [10295.071778][ T7704] do_syscall_64+0xc6/0x1e0 [10295.071778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.071778][ T7704] [10295.078655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10295.078655][ T7704] netdev_get_by_index+0x5e/0x80 [10295.078655][ T7704] fib6_nh_init+0x3d8/0x15b0 [10295.078655][ T7704] ip6_route_info_create+0xf18/0x17d0 [10295.078655][ T7704] addrconf_f6i_alloc+0x315/0x560 [10295.078655][ T7704] ipv6_add_addr+0x411/0x2000 [10295.078655][ T7704] inet6_addr_add+0x30e/0xa40 [10295.078655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10295.078655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.078655][ T7704] netlink_rcv_skb+0x130/0x360 [10295.078655][ T7704] netlink_unicast+0x449/0x710 [10295.078655][ T7704] netlink_sendmsg+0x723/0xbe0 [10295.078655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10295.078655][ T7704] ___sys_sendmsg+0xee/0x170 [10295.078655][ T7704] __sys_sendmsg+0xcd/0x170 [10295.078655][ T7704] do_syscall_64+0xc6/0x1e0 [10295.078655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.078655][ T7704] [10295.093474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10295.093474][ T7704] netdev_get_by_index+0x5e/0x80 [10295.093474][ T7704] fib6_nh_init+0x3d8/0x15b0 [10295.093474][ T7704] ip6_route_info_create+0xf18/0x17d0 [10295.093474][ T7704] ip6_route_add+0x1c/0x140 [10295.093474][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10295.093474][ T7704] addrconf_add_dev+0xe2/0x170 [10295.093474][ T7704] inet6_addr_add+0x12f/0xa40 [10295.093474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10295.093474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.093474][ T7704] netlink_rcv_skb+0x130/0x360 [10295.093474][ T7704] netlink_unicast+0x449/0x710 [10295.093474][ T7704] netlink_sendmsg+0x723/0xbe0 [10295.093474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10295.093474][ T7704] ___sys_sendmsg+0xee/0x170 [10295.093474][ T7704] __sys_sendmsg+0xcd/0x170 [10295.093474][ T7704] do_syscall_64+0xc6/0x1e0 [10295.093474][ T7704] [10295.113315][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10295.113315][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10295.113315][ T7704] ipv6_find_idev+0x102/0x170 [10295.113315][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10295.113315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.113315][ T7704] netlink_rcv_skb+0x130/0x360 [10295.113315][ T7704] netlink_unicast+0x449/0x710 [10295.113315][ T7704] netlink_sendmsg+0x723/0xbe0 [10295.113315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10295.113315][ T7704] ___sys_sendmsg+0xee/0x170 [10295.113315][ T7704] __sys_sendmsg+0xcd/0x170 [10295.113315][ T7704] do_syscall_64+0xc6/0x1e0 [10295.113315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.113315][ T7704] [10295.185502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10295.185502][ T7704] neigh_parms_alloc+0x1e5/0x510 [10295.185502][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10295.185502][ T7704] ipv6_find_idev+0x102/0x170 [10295.185502][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10295.185502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.185502][ T7704] netlink_rcv_skb+0x130/0x360 [10295.185502][ T7704] netlink_unicast+0x449/0x710 [10295.185502][ T7704] netlink_sendmsg+0x723/0xbe0 [10295.185502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10295.185502][ T7704] ___sys_sendmsg+0xee/0x170 [10295.185502][ T7704] __sys_sendmsg+0xcd/0x170 [10295.185502][ T7704] do_syscall_64+0xc6/0x1e0 [10295.185502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.185502][ T7704] [10305.431063][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10305.451799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10305.451799][ T7704] netdev_get_by_index+0x5e/0x80 [10305.451799][ T7704] fib6_nh_init+0x3d8/0x15b0 [10305.451799][ T7704] ip6_route_info_create+0xf18/0x17d0 [10305.451799][ T7704] ip6_route_add+0x1c/0x140 [10305.451799][ T7704] addrconf_prefix_route+0x2a6/0x430 [10305.451799][ T7704] inet6_addr_add+0x4f8/0xa40 [10305.451799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10305.451799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.451799][ T7704] netlink_rcv_skb+0x130/0x360 [10305.451799][ T7704] netlink_unicast+0x449/0x710 [10305.451799][ T7704] netlink_sendmsg+0x723/0xbe0 [10305.451799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10305.451799][ T7704] ___sys_sendmsg+0xee/0x170 [10305.451799][ T7704] __sys_sendmsg+0xcd/0x170 [10305.451799][ T7704] do_syscall_64+0xc6/0x1e0 [10305.451799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.451799][ T7704] [10305.458015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10305.458015][ T7704] netdev_get_by_index+0x5e/0x80 [10305.458015][ T7704] fib6_nh_init+0x3d8/0x15b0 [10305.458015][ T7704] ip6_route_info_create+0xf18/0x17d0 [10305.458015][ T7704] addrconf_f6i_alloc+0x315/0x560 [10305.458015][ T7704] ipv6_add_addr+0x411/0x2000 [10305.458015][ T7704] inet6_addr_add+0x30e/0xa40 [10305.458015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10305.458015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.458015][ T7704] netlink_rcv_skb+0x130/0x360 [10305.458015][ T7704] netlink_unicast+0x449/0x710 [10305.458015][ T7704] netlink_sendmsg+0x723/0xbe0 [10305.458015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10305.458015][ T7704] ___sys_sendmsg+0xee/0x170 [10305.458015][ T7704] __sys_sendmsg+0xcd/0x170 [10305.458015][ T7704] do_syscall_64+0xc6/0x1e0 [10305.458015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.458015][ T7704] [10305.506864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10305.506864][ T7704] netdev_get_by_index+0x5e/0x80 [10305.506864][ T7704] fib6_nh_init+0x3d8/0x15b0 [10305.506864][ T7704] ip6_route_info_create+0xf18/0x17d0 [10305.506864][ T7704] ip6_route_add+0x1c/0x140 [10305.506864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10305.506864][ T7704] addrconf_add_dev+0xe2/0x170 [10305.506864][ T7704] inet6_addr_add+0x12f/0xa40 [10305.506864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10305.506864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.506864][ T7704] netlink_rcv_skb+0x130/0x360 [10305.506864][ T7704] netlink_unicast+0x449/0x710 [10305.506864][ T7704] netlink_sendmsg+0x723/0xbe0 [10305.506864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10305.506864][ T7704] ___sys_sendmsg+0xee/0x170 [10305.506864][ T7704] __sys_sendmsg+0xcd/0x170 [10305.506864][ T7704] do_syscall_64+0xc6/0x1e0 [10305.506864][ T7704] [10305.523564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10305.523564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10305.523564][ T7704] ipv6_find_idev+0x102/0x170 [10305.523564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10305.523564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.523564][ T7704] netlink_rcv_skb+0x130/0x360 [10305.523564][ T7704] netlink_unicast+0x449/0x710 [10305.523564][ T7704] netlink_sendmsg+0x723/0xbe0 [10305.523564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10305.523564][ T7704] ___sys_sendmsg+0xee/0x170 [10305.523564][ T7704] __sys_sendmsg+0xcd/0x170 [10305.523564][ T7704] do_syscall_64+0xc6/0x1e0 [10305.523564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.523564][ T7704] [10305.564896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10305.564896][ T7704] neigh_parms_alloc+0x1e5/0x510 [10305.564896][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10305.564896][ T7704] ipv6_find_idev+0x102/0x170 [10305.564896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10305.564896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.564896][ T7704] netlink_rcv_skb+0x130/0x360 [10305.564896][ T7704] netlink_unicast+0x449/0x710 [10305.564896][ T7704] netlink_sendmsg+0x723/0xbe0 [10305.564896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10305.564896][ T7704] ___sys_sendmsg+0xee/0x170 [10305.564896][ T7704] __sys_sendmsg+0xcd/0x170 [10305.564896][ T7704] do_syscall_64+0xc6/0x1e0 [10305.564896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.564896][ T7704] [10315.806987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10315.871771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10315.871771][ T7704] netdev_get_by_index+0x5e/0x80 [10315.871771][ T7704] fib6_nh_init+0x3d8/0x15b0 [10315.871771][ T7704] ip6_route_info_create+0xf18/0x17d0 [10315.871771][ T7704] ip6_route_add+0x1c/0x140 [10315.871771][ T7704] addrconf_prefix_route+0x2a6/0x430 [10315.871771][ T7704] inet6_addr_add+0x4f8/0xa40 [10315.871771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10315.871771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10315.871771][ T7704] netlink_rcv_skb+0x130/0x360 [10315.871771][ T7704] netlink_unicast+0x449/0x710 [10315.871771][ T7704] netlink_sendmsg+0x723/0xbe0 [10315.871771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10315.871771][ T7704] ___sys_sendmsg+0xee/0x170 [10315.871771][ T7704] __sys_sendmsg+0xcd/0x170 [10315.871771][ T7704] do_syscall_64+0xc6/0x1e0 [10315.871771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10315.871771][ T7704] [10315.879021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10315.879021][ T7704] netdev_get_by_index+0x5e/0x80 [10315.879021][ T7704] fib6_nh_init+0x3d8/0x15b0 [10315.879021][ T7704] ip6_route_info_create+0xf18/0x17d0 [10315.879021][ T7704] addrconf_f6i_alloc+0x315/0x560 [10315.879021][ T7704] ipv6_add_addr+0x411/0x2000 [10315.879021][ T7704] inet6_addr_add+0x30e/0xa40 [10315.879021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10315.879021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10315.879021][ T7704] netlink_rcv_skb+0x130/0x360 [10315.879021][ T7704] netlink_unicast+0x449/0x710 [10315.879021][ T7704] netlink_sendmsg+0x723/0xbe0 [10315.879021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10315.879021][ T7704] ___sys_sendmsg+0xee/0x170 [10315.879021][ T7704] __sys_sendmsg+0xcd/0x170 [10315.879021][ T7704] do_syscall_64+0xc6/0x1e0 [10315.879021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10315.879021][ T7704] [10315.914564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10315.914564][ T7704] netdev_get_by_index+0x5e/0x80 [10315.914564][ T7704] fib6_nh_init+0x3d8/0x15b0 [10315.914564][ T7704] ip6_route_info_create+0xf18/0x17d0 [10315.914564][ T7704] ip6_route_add+0x1c/0x140 [10315.914564][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10315.914564][ T7704] addrconf_add_dev+0xe2/0x170 [10315.914564][ T7704] inet6_addr_add+0x12f/0xa40 [10315.914564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10315.914564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10315.914564][ T7704] netlink_rcv_skb+0x130/0x360 [10315.914564][ T7704] netlink_unicast+0x449/0x710 [10315.914564][ T7704] netlink_sendmsg+0x723/0xbe0 [10315.914564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10315.914564][ T7704] ___sys_sendmsg+0xee/0x170 [10315.914564][ T7704] __sys_sendmsg+0xcd/0x170 [10315.914564][ T7704] do_syscall_64+0xc6/0x1e0 [10315.914564][ T7704] [10315.938314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10315.938314][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10315.938314][ T7704] ipv6_find_idev+0x102/0x170 [10315.938314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10315.938314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10315.938314][ T7704] netlink_rcv_skb+0x130/0x360 [10315.938314][ T7704] netlink_unicast+0x449/0x710 [10315.938314][ T7704] netlink_sendmsg+0x723/0xbe0 [10315.938314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10315.938314][ T7704] ___sys_sendmsg+0xee/0x170 [10315.938314][ T7704] __sys_sendmsg+0xcd/0x170 [10315.938314][ T7704] do_syscall_64+0xc6/0x1e0 [10315.938314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10315.938314][ T7704] [10315.995338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10315.995338][ T7704] neigh_parms_alloc+0x1e5/0x510 [10315.995338][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10315.995338][ T7704] ipv6_find_idev+0x102/0x170 [10315.995338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10315.995338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10315.995338][ T7704] netlink_rcv_skb+0x130/0x360 [10315.995338][ T7704] netlink_unicast+0x449/0x710 [10315.995338][ T7704] netlink_sendmsg+0x723/0xbe0 [10315.995338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10315.995338][ T7704] ___sys_sendmsg+0xee/0x170 [10315.995338][ T7704] __sys_sendmsg+0xcd/0x170 [10315.995338][ T7704] do_syscall_64+0xc6/0x1e0 [10315.995338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10315.995338][ T7704] [10326.254986][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10326.271685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10326.271685][ T7704] netdev_get_by_index+0x5e/0x80 [10326.271685][ T7704] fib6_nh_init+0x3d8/0x15b0 [10326.271685][ T7704] ip6_route_info_create+0xf18/0x17d0 [10326.271685][ T7704] ip6_route_add+0x1c/0x140 [10326.271685][ T7704] addrconf_prefix_route+0x2a6/0x430 [10326.271685][ T7704] inet6_addr_add+0x4f8/0xa40 [10326.271685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10326.271685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.271685][ T7704] netlink_rcv_skb+0x130/0x360 [10326.271685][ T7704] netlink_unicast+0x449/0x710 [10326.271685][ T7704] netlink_sendmsg+0x723/0xbe0 [10326.271685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10326.271685][ T7704] ___sys_sendmsg+0xee/0x170 [10326.271685][ T7704] __sys_sendmsg+0xcd/0x170 [10326.271685][ T7704] do_syscall_64+0xc6/0x1e0 [10326.271685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.271685][ T7704] [10326.277750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10326.277750][ T7704] netdev_get_by_index+0x5e/0x80 [10326.277750][ T7704] fib6_nh_init+0x3d8/0x15b0 [10326.277750][ T7704] ip6_route_info_create+0xf18/0x17d0 [10326.277750][ T7704] addrconf_f6i_alloc+0x315/0x560 [10326.277750][ T7704] ipv6_add_addr+0x411/0x2000 [10326.277750][ T7704] inet6_addr_add+0x30e/0xa40 [10326.277750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10326.277750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.277750][ T7704] netlink_rcv_skb+0x130/0x360 [10326.277750][ T7704] netlink_unicast+0x449/0x710 [10326.277750][ T7704] netlink_sendmsg+0x723/0xbe0 [10326.277750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10326.277750][ T7704] ___sys_sendmsg+0xee/0x170 [10326.277750][ T7704] __sys_sendmsg+0xcd/0x170 [10326.277750][ T7704] do_syscall_64+0xc6/0x1e0 [10326.277750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.277750][ T7704] [10326.284325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10326.284325][ T7704] netdev_get_by_index+0x5e/0x80 [10326.284325][ T7704] fib6_nh_init+0x3d8/0x15b0 [10326.284325][ T7704] ip6_route_info_create+0xf18/0x17d0 [10326.284325][ T7704] ip6_route_add+0x1c/0x140 [10326.284325][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10326.284325][ T7704] addrconf_add_dev+0xe2/0x170 [10326.284325][ T7704] inet6_addr_add+0x12f/0xa40 [10326.284325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10326.284325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.284325][ T7704] netlink_rcv_skb+0x130/0x360 [10326.284325][ T7704] netlink_unicast+0x449/0x710 [10326.284325][ T7704] netlink_sendmsg+0x723/0xbe0 [10326.284325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10326.284325][ T7704] ___sys_sendmsg+0xee/0x170 [10326.284325][ T7704] __sys_sendmsg+0xcd/0x170 [10326.284325][ T7704] do_syscall_64+0xc6/0x1e0 [10326.284325][ T7704] [10326.339196][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10326.339196][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10326.339196][ T7704] ipv6_find_idev+0x102/0x170 [10326.339196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10326.339196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.339196][ T7704] netlink_rcv_skb+0x130/0x360 [10326.339196][ T7704] netlink_unicast+0x449/0x710 [10326.339196][ T7704] netlink_sendmsg+0x723/0xbe0 [10326.339196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10326.339196][ T7704] ___sys_sendmsg+0xee/0x170 [10326.339196][ T7704] __sys_sendmsg+0xcd/0x170 [10326.339196][ T7704] do_syscall_64+0xc6/0x1e0 [10326.339196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.339196][ T7704] [10326.384864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10326.384864][ T7704] neigh_parms_alloc+0x1e5/0x510 [10326.384864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10326.384864][ T7704] ipv6_find_idev+0x102/0x170 [10326.384864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10326.384864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.384864][ T7704] netlink_rcv_skb+0x130/0x360 [10326.384864][ T7704] netlink_unicast+0x449/0x710 [10326.384864][ T7704] netlink_sendmsg+0x723/0xbe0 [10326.384864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10326.384864][ T7704] ___sys_sendmsg+0xee/0x170 [10326.384864][ T7704] __sys_sendmsg+0xcd/0x170 [10326.384864][ T7704] do_syscall_64+0xc6/0x1e0 [10326.384864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.384864][ T7704] [10336.631066][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10336.662148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10336.662148][ T7704] netdev_get_by_index+0x5e/0x80 [10336.662148][ T7704] fib6_nh_init+0x3d8/0x15b0 [10336.662148][ T7704] ip6_route_info_create+0xf18/0x17d0 [10336.662148][ T7704] ip6_route_add+0x1c/0x140 [10336.662148][ T7704] addrconf_prefix_route+0x2a6/0x430 [10336.662148][ T7704] inet6_addr_add+0x4f8/0xa40 [10336.662148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10336.662148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.662148][ T7704] netlink_rcv_skb+0x130/0x360 [10336.662148][ T7704] netlink_unicast+0x449/0x710 [10336.662148][ T7704] netlink_sendmsg+0x723/0xbe0 [10336.662148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10336.662148][ T7704] ___sys_sendmsg+0xee/0x170 [10336.662148][ T7704] __sys_sendmsg+0xcd/0x170 [10336.662148][ T7704] do_syscall_64+0xc6/0x1e0 [10336.662148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.662148][ T7704] [10336.667197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10336.667197][ T7704] netdev_get_by_index+0x5e/0x80 [10336.667197][ T7704] fib6_nh_init+0x3d8/0x15b0 [10336.667197][ T7704] ip6_route_info_create+0xf18/0x17d0 [10336.667197][ T7704] addrconf_f6i_alloc+0x315/0x560 [10336.667197][ T7704] ipv6_add_addr+0x411/0x2000 [10336.667197][ T7704] inet6_addr_add+0x30e/0xa40 [10336.667197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10336.667197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.667197][ T7704] netlink_rcv_skb+0x130/0x360 [10336.667197][ T7704] netlink_unicast+0x449/0x710 [10336.667197][ T7704] netlink_sendmsg+0x723/0xbe0 [10336.667197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10336.667197][ T7704] ___sys_sendmsg+0xee/0x170 [10336.667197][ T7704] __sys_sendmsg+0xcd/0x170 [10336.667197][ T7704] do_syscall_64+0xc6/0x1e0 [10336.667197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.667197][ T7704] [10336.672307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10336.672307][ T7704] netdev_get_by_index+0x5e/0x80 [10336.672307][ T7704] fib6_nh_init+0x3d8/0x15b0 [10336.672307][ T7704] ip6_route_info_create+0xf18/0x17d0 [10336.672307][ T7704] ip6_route_add+0x1c/0x140 [10336.672307][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10336.672307][ T7704] addrconf_add_dev+0xe2/0x170 [10336.672307][ T7704] inet6_addr_add+0x12f/0xa40 [10336.672307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10336.672307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.672307][ T7704] netlink_rcv_skb+0x130/0x360 [10336.672307][ T7704] netlink_unicast+0x449/0x710 [10336.672307][ T7704] netlink_sendmsg+0x723/0xbe0 [10336.672307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10336.672307][ T7704] ___sys_sendmsg+0xee/0x170 [10336.672307][ T7704] __sys_sendmsg+0xcd/0x170 [10336.672307][ T7704] do_syscall_64+0xc6/0x1e0 [10336.672307][ T7704] [10336.683456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10336.683456][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10336.683456][ T7704] ipv6_find_idev+0x102/0x170 [10336.683456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10336.683456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.683456][ T7704] netlink_rcv_skb+0x130/0x360 [10336.683456][ T7704] netlink_unicast+0x449/0x710 [10336.683456][ T7704] netlink_sendmsg+0x723/0xbe0 [10336.683456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10336.683456][ T7704] ___sys_sendmsg+0xee/0x170 [10336.683456][ T7704] __sys_sendmsg+0xcd/0x170 [10336.683456][ T7704] do_syscall_64+0xc6/0x1e0 [10336.683456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.683456][ T7704] [10336.726146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10336.726146][ T7704] neigh_parms_alloc+0x1e5/0x510 [10336.726146][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10336.726146][ T7704] ipv6_find_idev+0x102/0x170 [10336.726146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10336.726146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.726146][ T7704] netlink_rcv_skb+0x130/0x360 [10336.726146][ T7704] netlink_unicast+0x449/0x710 [10336.726146][ T7704] netlink_sendmsg+0x723/0xbe0 [10336.726146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10336.726146][ T7704] ___sys_sendmsg+0xee/0x170 [10336.726146][ T7704] __sys_sendmsg+0xcd/0x170 [10336.726146][ T7704] do_syscall_64+0xc6/0x1e0 [10336.726146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.726146][ T7704] [10346.975071][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10346.983195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10346.983195][ T7704] netdev_get_by_index+0x5e/0x80 [10346.983195][ T7704] fib6_nh_init+0x3d8/0x15b0 [10346.983195][ T7704] ip6_route_info_create+0xf18/0x17d0 [10346.983195][ T7704] ip6_route_add+0x1c/0x140 [10346.983195][ T7704] addrconf_prefix_route+0x2a6/0x430 [10346.983195][ T7704] inet6_addr_add+0x4f8/0xa40 [10346.983195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10346.983195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10346.983195][ T7704] netlink_rcv_skb+0x130/0x360 [10346.983195][ T7704] netlink_unicast+0x449/0x710 [10346.983195][ T7704] netlink_sendmsg+0x723/0xbe0 [10346.983195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10346.983195][ T7704] ___sys_sendmsg+0xee/0x170 [10346.983195][ T7704] __sys_sendmsg+0xcd/0x170 [10346.983195][ T7704] do_syscall_64+0xc6/0x1e0 [10346.983195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10346.983195][ T7704] [10346.991174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10346.991174][ T7704] netdev_get_by_index+0x5e/0x80 [10346.991174][ T7704] fib6_nh_init+0x3d8/0x15b0 [10346.991174][ T7704] ip6_route_info_create+0xf18/0x17d0 [10346.991174][ T7704] addrconf_f6i_alloc+0x315/0x560 [10346.991174][ T7704] ipv6_add_addr+0x411/0x2000 [10346.991174][ T7704] inet6_addr_add+0x30e/0xa40 [10346.991174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10346.991174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10346.991174][ T7704] netlink_rcv_skb+0x130/0x360 [10346.991174][ T7704] netlink_unicast+0x449/0x710 [10346.991174][ T7704] netlink_sendmsg+0x723/0xbe0 [10346.991174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10346.991174][ T7704] ___sys_sendmsg+0xee/0x170 [10346.991174][ T7704] __sys_sendmsg+0xcd/0x170 [10346.991174][ T7704] do_syscall_64+0xc6/0x1e0 [10346.991174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10346.991174][ T7704] [10346.997892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10346.997892][ T7704] netdev_get_by_index+0x5e/0x80 [10346.997892][ T7704] fib6_nh_init+0x3d8/0x15b0 [10346.997892][ T7704] ip6_route_info_create+0xf18/0x17d0 [10346.997892][ T7704] ip6_route_add+0x1c/0x140 [10346.997892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10346.997892][ T7704] addrconf_add_dev+0xe2/0x170 [10346.997892][ T7704] inet6_addr_add+0x12f/0xa40 [10346.997892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10346.997892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10346.997892][ T7704] netlink_rcv_skb+0x130/0x360 [10346.997892][ T7704] netlink_unicast+0x449/0x710 [10346.997892][ T7704] netlink_sendmsg+0x723/0xbe0 [10346.997892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10346.997892][ T7704] ___sys_sendmsg+0xee/0x170 [10346.997892][ T7704] __sys_sendmsg+0xcd/0x170 [10346.997892][ T7704] do_syscall_64+0xc6/0x1e0 [10346.997892][ T7704] [10347.053673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10347.053673][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10347.053673][ T7704] ipv6_find_idev+0x102/0x170 [10347.053673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10347.053673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.053673][ T7704] netlink_rcv_skb+0x130/0x360 [10347.053673][ T7704] netlink_unicast+0x449/0x710 [10347.053673][ T7704] netlink_sendmsg+0x723/0xbe0 [10347.053673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10347.053673][ T7704] ___sys_sendmsg+0xee/0x170 [10347.053673][ T7704] __sys_sendmsg+0xcd/0x170 [10347.053673][ T7704] do_syscall_64+0xc6/0x1e0 [10347.053673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.053673][ T7704] [10347.059663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10347.059663][ T7704] neigh_parms_alloc+0x1e5/0x510 [10347.059663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10347.059663][ T7704] ipv6_find_idev+0x102/0x170 [10347.059663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10347.059663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.059663][ T7704] netlink_rcv_skb+0x130/0x360 [10347.059663][ T7704] netlink_unicast+0x449/0x710 [10347.059663][ T7704] netlink_sendmsg+0x723/0xbe0 [10347.059663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10347.059663][ T7704] ___sys_sendmsg+0xee/0x170 [10347.059663][ T7704] __sys_sendmsg+0xcd/0x170 [10347.059663][ T7704] do_syscall_64+0xc6/0x1e0 [10347.059663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.059663][ T7704] [10357.367057][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10357.401501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10357.401501][ T7704] netdev_get_by_index+0x5e/0x80 [10357.401501][ T7704] fib6_nh_init+0x3d8/0x15b0 [10357.401501][ T7704] ip6_route_info_create+0xf18/0x17d0 [10357.401501][ T7704] ip6_route_add+0x1c/0x140 [10357.401501][ T7704] addrconf_prefix_route+0x2a6/0x430 [10357.401501][ T7704] inet6_addr_add+0x4f8/0xa40 [10357.401501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10357.401501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.401501][ T7704] netlink_rcv_skb+0x130/0x360 [10357.401501][ T7704] netlink_unicast+0x449/0x710 [10357.401501][ T7704] netlink_sendmsg+0x723/0xbe0 [10357.401501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10357.401501][ T7704] ___sys_sendmsg+0xee/0x170 [10357.401501][ T7704] __sys_sendmsg+0xcd/0x170 [10357.401501][ T7704] do_syscall_64+0xc6/0x1e0 [10357.401501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.401501][ T7704] [10357.424603][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10357.424603][ T7704] netdev_get_by_index+0x5e/0x80 [10357.424603][ T7704] fib6_nh_init+0x3d8/0x15b0 [10357.424603][ T7704] ip6_route_info_create+0xf18/0x17d0 [10357.424603][ T7704] addrconf_f6i_alloc+0x315/0x560 [10357.424603][ T7704] ipv6_add_addr+0x411/0x2000 [10357.424603][ T7704] inet6_addr_add+0x30e/0xa40 [10357.424603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10357.424603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.424603][ T7704] netlink_rcv_skb+0x130/0x360 [10357.424603][ T7704] netlink_unicast+0x449/0x710 [10357.424603][ T7704] netlink_sendmsg+0x723/0xbe0 [10357.424603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10357.424603][ T7704] ___sys_sendmsg+0xee/0x170 [10357.424603][ T7704] __sys_sendmsg+0xcd/0x170 [10357.424603][ T7704] do_syscall_64+0xc6/0x1e0 [10357.424603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.424603][ T7704] [10357.446254][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10357.446254][ T7704] netdev_get_by_index+0x5e/0x80 [10357.446254][ T7704] fib6_nh_init+0x3d8/0x15b0 [10357.446254][ T7704] ip6_route_info_create+0xf18/0x17d0 [10357.446254][ T7704] ip6_route_add+0x1c/0x140 [10357.446254][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10357.446254][ T7704] addrconf_add_dev+0xe2/0x170 [10357.446254][ T7704] inet6_addr_add+0x12f/0xa40 [10357.446254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10357.446254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.446254][ T7704] netlink_rcv_skb+0x130/0x360 [10357.446254][ T7704] netlink_unicast+0x449/0x710 [10357.446254][ T7704] netlink_sendmsg+0x723/0xbe0 [10357.446254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10357.446254][ T7704] ___sys_sendmsg+0xee/0x170 [10357.446254][ T7704] __sys_sendmsg+0xcd/0x170 [10357.446254][ T7704] do_syscall_64+0xc6/0x1e0 [10357.446254][ T7704] [10357.483002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10357.483002][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10357.483002][ T7704] ipv6_find_idev+0x102/0x170 [10357.483002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10357.483002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.483002][ T7704] netlink_rcv_skb+0x130/0x360 [10357.483002][ T7704] netlink_unicast+0x449/0x710 [10357.483002][ T7704] netlink_sendmsg+0x723/0xbe0 [10357.483002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10357.483002][ T7704] ___sys_sendmsg+0xee/0x170 [10357.483002][ T7704] __sys_sendmsg+0xcd/0x170 [10357.483002][ T7704] do_syscall_64+0xc6/0x1e0 [10357.483002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.483002][ T7704] [10357.502062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10357.502062][ T7704] neigh_parms_alloc+0x1e5/0x510 [10357.502062][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10357.502062][ T7704] ipv6_find_idev+0x102/0x170 [10357.502062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10357.502062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.502062][ T7704] netlink_rcv_skb+0x130/0x360 [10357.502062][ T7704] netlink_unicast+0x449/0x710 [10357.502062][ T7704] netlink_sendmsg+0x723/0xbe0 [10357.502062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10357.502062][ T7704] ___sys_sendmsg+0xee/0x170 [10357.502062][ T7704] __sys_sendmsg+0xcd/0x170 [10357.502062][ T7704] do_syscall_64+0xc6/0x1e0 [10357.502062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.502062][ T7704] [10367.759104][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10367.811541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10367.811541][ T7704] netdev_get_by_index+0x5e/0x80 [10367.811541][ T7704] fib6_nh_init+0x3d8/0x15b0 [10367.811541][ T7704] ip6_route_info_create+0xf18/0x17d0 [10367.811541][ T7704] ip6_route_add+0x1c/0x140 [10367.811541][ T7704] addrconf_prefix_route+0x2a6/0x430 [10367.811541][ T7704] inet6_addr_add+0x4f8/0xa40 [10367.811541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10367.811541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.811541][ T7704] netlink_rcv_skb+0x130/0x360 [10367.811541][ T7704] netlink_unicast+0x449/0x710 [10367.811541][ T7704] netlink_sendmsg+0x723/0xbe0 [10367.811541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10367.811541][ T7704] ___sys_sendmsg+0xee/0x170 [10367.811541][ T7704] __sys_sendmsg+0xcd/0x170 [10367.811541][ T7704] do_syscall_64+0xc6/0x1e0 [10367.811541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.811541][ T7704] [10367.819229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10367.819229][ T7704] netdev_get_by_index+0x5e/0x80 [10367.819229][ T7704] fib6_nh_init+0x3d8/0x15b0 [10367.819229][ T7704] ip6_route_info_create+0xf18/0x17d0 [10367.819229][ T7704] addrconf_f6i_alloc+0x315/0x560 [10367.819229][ T7704] ipv6_add_addr+0x411/0x2000 [10367.819229][ T7704] inet6_addr_add+0x30e/0xa40 [10367.819229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10367.819229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.819229][ T7704] netlink_rcv_skb+0x130/0x360 [10367.819229][ T7704] netlink_unicast+0x449/0x710 [10367.819229][ T7704] netlink_sendmsg+0x723/0xbe0 [10367.819229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10367.819229][ T7704] ___sys_sendmsg+0xee/0x170 [10367.819229][ T7704] __sys_sendmsg+0xcd/0x170 [10367.819229][ T7704] do_syscall_64+0xc6/0x1e0 [10367.819229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.819229][ T7704] [10367.857284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10367.857284][ T7704] netdev_get_by_index+0x5e/0x80 [10367.857284][ T7704] fib6_nh_init+0x3d8/0x15b0 [10367.857284][ T7704] ip6_route_info_create+0xf18/0x17d0 [10367.857284][ T7704] ip6_route_add+0x1c/0x140 [10367.857284][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10367.857284][ T7704] addrconf_add_dev+0xe2/0x170 [10367.857284][ T7704] inet6_addr_add+0x12f/0xa40 [10367.857284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10367.857284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.857284][ T7704] netlink_rcv_skb+0x130/0x360 [10367.857284][ T7704] netlink_unicast+0x449/0x710 [10367.857284][ T7704] netlink_sendmsg+0x723/0xbe0 [10367.857284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10367.857284][ T7704] ___sys_sendmsg+0xee/0x170 [10367.857284][ T7704] __sys_sendmsg+0xcd/0x170 [10367.857284][ T7704] do_syscall_64+0xc6/0x1e0 [10367.857284][ T7704] [10367.884512][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10367.884512][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10367.884512][ T7704] ipv6_find_idev+0x102/0x170 [10367.884512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10367.884512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.884512][ T7704] netlink_rcv_skb+0x130/0x360 [10367.884512][ T7704] netlink_unicast+0x449/0x710 [10367.884512][ T7704] netlink_sendmsg+0x723/0xbe0 [10367.884512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10367.884512][ T7704] ___sys_sendmsg+0xee/0x170 [10367.884512][ T7704] __sys_sendmsg+0xcd/0x170 [10367.884512][ T7704] do_syscall_64+0xc6/0x1e0 [10367.884512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.884512][ T7704] [10367.890110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10367.890110][ T7704] neigh_parms_alloc+0x1e5/0x510 [10367.890110][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10367.890110][ T7704] ipv6_find_idev+0x102/0x170 [10367.890110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10367.890110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.890110][ T7704] netlink_rcv_skb+0x130/0x360 [10367.890110][ T7704] netlink_unicast+0x449/0x710 [10367.890110][ T7704] netlink_sendmsg+0x723/0xbe0 [10367.890110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10367.890110][ T7704] ___sys_sendmsg+0xee/0x170 [10367.890110][ T7704] __sys_sendmsg+0xcd/0x170 [10367.890110][ T7704] do_syscall_64+0xc6/0x1e0 [10367.890110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.890110][ T7704] [10378.183097][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10378.197726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10378.197726][ T7704] netdev_get_by_index+0x5e/0x80 [10378.197726][ T7704] fib6_nh_init+0x3d8/0x15b0 [10378.197726][ T7704] ip6_route_info_create+0xf18/0x17d0 [10378.197726][ T7704] ip6_route_add+0x1c/0x140 [10378.197726][ T7704] addrconf_prefix_route+0x2a6/0x430 [10378.197726][ T7704] inet6_addr_add+0x4f8/0xa40 [10378.197726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10378.197726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.197726][ T7704] netlink_rcv_skb+0x130/0x360 [10378.197726][ T7704] netlink_unicast+0x449/0x710 [10378.197726][ T7704] netlink_sendmsg+0x723/0xbe0 [10378.197726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10378.197726][ T7704] ___sys_sendmsg+0xee/0x170 [10378.197726][ T7704] __sys_sendmsg+0xcd/0x170 [10378.197726][ T7704] do_syscall_64+0xc6/0x1e0 [10378.197726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.197726][ T7704] [10378.205020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10378.205020][ T7704] netdev_get_by_index+0x5e/0x80 [10378.205020][ T7704] fib6_nh_init+0x3d8/0x15b0 [10378.205020][ T7704] ip6_route_info_create+0xf18/0x17d0 [10378.205020][ T7704] addrconf_f6i_alloc+0x315/0x560 [10378.205020][ T7704] ipv6_add_addr+0x411/0x2000 [10378.205020][ T7704] inet6_addr_add+0x30e/0xa40 [10378.205020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10378.205020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.205020][ T7704] netlink_rcv_skb+0x130/0x360 [10378.205020][ T7704] netlink_unicast+0x449/0x710 [10378.205020][ T7704] netlink_sendmsg+0x723/0xbe0 [10378.205020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10378.205020][ T7704] ___sys_sendmsg+0xee/0x170 [10378.205020][ T7704] __sys_sendmsg+0xcd/0x170 [10378.205020][ T7704] do_syscall_64+0xc6/0x1e0 [10378.205020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.205020][ T7704] [10378.222518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10378.222518][ T7704] netdev_get_by_index+0x5e/0x80 [10378.222518][ T7704] fib6_nh_init+0x3d8/0x15b0 [10378.222518][ T7704] ip6_route_info_create+0xf18/0x17d0 [10378.222518][ T7704] ip6_route_add+0x1c/0x140 [10378.222518][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10378.222518][ T7704] addrconf_add_dev+0xe2/0x170 [10378.222518][ T7704] inet6_addr_add+0x12f/0xa40 [10378.222518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10378.222518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.222518][ T7704] netlink_rcv_skb+0x130/0x360 [10378.222518][ T7704] netlink_unicast+0x449/0x710 [10378.222518][ T7704] netlink_sendmsg+0x723/0xbe0 [10378.222518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10378.222518][ T7704] ___sys_sendmsg+0xee/0x170 [10378.222518][ T7704] __sys_sendmsg+0xcd/0x170 [10378.222518][ T7704] do_syscall_64+0xc6/0x1e0 [10378.222518][ T7704] [10378.244425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10378.244425][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10378.244425][ T7704] ipv6_find_idev+0x102/0x170 [10378.244425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10378.244425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.244425][ T7704] netlink_rcv_skb+0x130/0x360 [10378.244425][ T7704] netlink_unicast+0x449/0x710 [10378.244425][ T7704] netlink_sendmsg+0x723/0xbe0 [10378.244425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10378.244425][ T7704] ___sys_sendmsg+0xee/0x170 [10378.244425][ T7704] __sys_sendmsg+0xcd/0x170 [10378.244425][ T7704] do_syscall_64+0xc6/0x1e0 [10378.244425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.244425][ T7704] [10378.285382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10378.285382][ T7704] neigh_parms_alloc+0x1e5/0x510 [10378.285382][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10378.285382][ T7704] ipv6_find_idev+0x102/0x170 [10378.285382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10378.285382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.285382][ T7704] netlink_rcv_skb+0x130/0x360 [10378.285382][ T7704] netlink_unicast+0x449/0x710 [10378.285382][ T7704] netlink_sendmsg+0x723/0xbe0 [10378.285382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10378.285382][ T7704] ___sys_sendmsg+0xee/0x170 [10378.285382][ T7704] __sys_sendmsg+0xcd/0x170 [10378.285382][ T7704] do_syscall_64+0xc6/0x1e0 [10378.285382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.285382][ T7704] [10388.559127][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10388.581370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10388.581370][ T7704] netdev_get_by_index+0x5e/0x80 [10388.581370][ T7704] fib6_nh_init+0x3d8/0x15b0 [10388.581370][ T7704] ip6_route_info_create+0xf18/0x17d0 [10388.581370][ T7704] ip6_route_add+0x1c/0x140 [10388.581370][ T7704] addrconf_prefix_route+0x2a6/0x430 [10388.581370][ T7704] inet6_addr_add+0x4f8/0xa40 [10388.581370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10388.581370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10388.581370][ T7704] netlink_rcv_skb+0x130/0x360 [10388.581370][ T7704] netlink_unicast+0x449/0x710 [10388.581370][ T7704] netlink_sendmsg+0x723/0xbe0 [10388.581370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10388.581370][ T7704] ___sys_sendmsg+0xee/0x170 [10388.581370][ T7704] __sys_sendmsg+0xcd/0x170 [10388.581370][ T7704] do_syscall_64+0xc6/0x1e0 [10388.581370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10388.581370][ T7704] [10388.593153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10388.593153][ T7704] netdev_get_by_index+0x5e/0x80 [10388.593153][ T7704] fib6_nh_init+0x3d8/0x15b0 [10388.593153][ T7704] ip6_route_info_create+0xf18/0x17d0 [10388.593153][ T7704] addrconf_f6i_alloc+0x315/0x560 [10388.593153][ T7704] ipv6_add_addr+0x411/0x2000 [10388.593153][ T7704] inet6_addr_add+0x30e/0xa40 [10388.593153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10388.593153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10388.593153][ T7704] netlink_rcv_skb+0x130/0x360 [10388.593153][ T7704] netlink_unicast+0x449/0x710 [10388.593153][ T7704] netlink_sendmsg+0x723/0xbe0 [10388.593153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10388.593153][ T7704] ___sys_sendmsg+0xee/0x170 [10388.593153][ T7704] __sys_sendmsg+0xcd/0x170 [10388.593153][ T7704] do_syscall_64+0xc6/0x1e0 [10388.593153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10388.593153][ T7704] [10388.674030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10388.674030][ T7704] netdev_get_by_index+0x5e/0x80 [10388.674030][ T7704] fib6_nh_init+0x3d8/0x15b0 [10388.674030][ T7704] ip6_route_info_create+0xf18/0x17d0 [10388.674030][ T7704] ip6_route_add+0x1c/0x140 [10388.674030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10388.674030][ T7704] addrconf_add_dev+0xe2/0x170 [10388.674030][ T7704] inet6_addr_add+0x12f/0xa40 [10388.674030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10388.674030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10388.674030][ T7704] netlink_rcv_skb+0x130/0x360 [10388.674030][ T7704] netlink_unicast+0x449/0x710 [10388.674030][ T7704] netlink_sendmsg+0x723/0xbe0 [10388.674030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10388.674030][ T7704] ___sys_sendmsg+0xee/0x170 [10388.674030][ T7704] __sys_sendmsg+0xcd/0x170 [10388.674030][ T7704] do_syscall_64+0xc6/0x1e0 [10388.674030][ T7704] [10388.681308][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10388.681308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10388.681308][ T7704] ipv6_find_idev+0x102/0x170 [10388.681308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10388.681308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10388.681308][ T7704] netlink_rcv_skb+0x130/0x360 [10388.681308][ T7704] netlink_unicast+0x449/0x710 [10388.681308][ T7704] netlink_sendmsg+0x723/0xbe0 [10388.681308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10388.681308][ T7704] ___sys_sendmsg+0xee/0x170 [10388.681308][ T7704] __sys_sendmsg+0xcd/0x170 [10388.681308][ T7704] do_syscall_64+0xc6/0x1e0 [10388.681308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10388.681308][ T7704] [10388.686791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10388.686791][ T7704] neigh_parms_alloc+0x1e5/0x510 [10388.686791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10388.686791][ T7704] ipv6_find_idev+0x102/0x170 [10388.686791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10388.686791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10388.686791][ T7704] netlink_rcv_skb+0x130/0x360 [10388.686791][ T7704] netlink_unicast+0x449/0x710 [10388.686791][ T7704] netlink_sendmsg+0x723/0xbe0 [10388.686791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10388.686791][ T7704] ___sys_sendmsg+0xee/0x170 [10388.686791][ T7704] __sys_sendmsg+0xcd/0x170 [10388.686791][ T7704] do_syscall_64+0xc6/0x1e0 [10388.686791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10388.686791][ T7704] [10398.983172][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10399.031313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10399.031313][ T7704] netdev_get_by_index+0x5e/0x80 [10399.031313][ T7704] fib6_nh_init+0x3d8/0x15b0 [10399.031313][ T7704] ip6_route_info_create+0xf18/0x17d0 [10399.031313][ T7704] ip6_route_add+0x1c/0x140 [10399.031313][ T7704] addrconf_prefix_route+0x2a6/0x430 [10399.031313][ T7704] inet6_addr_add+0x4f8/0xa40 [10399.031313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10399.031313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10399.031313][ T7704] netlink_rcv_skb+0x130/0x360 [10399.031313][ T7704] netlink_unicast+0x449/0x710 [10399.031313][ T7704] netlink_sendmsg+0x723/0xbe0 [10399.031313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10399.031313][ T7704] ___sys_sendmsg+0xee/0x170 [10399.031313][ T7704] __sys_sendmsg+0xcd/0x170 [10399.031313][ T7704] do_syscall_64+0xc6/0x1e0 [10399.031313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10399.031313][ T7704] [10399.036652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10399.036652][ T7704] netdev_get_by_index+0x5e/0x80 [10399.036652][ T7704] fib6_nh_init+0x3d8/0x15b0 [10399.036652][ T7704] ip6_route_info_create+0xf18/0x17d0 [10399.036652][ T7704] addrconf_f6i_alloc+0x315/0x560 [10399.036652][ T7704] ipv6_add_addr+0x411/0x2000 [10399.036652][ T7704] inet6_addr_add+0x30e/0xa40 [10399.036652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10399.036652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10399.036652][ T7704] netlink_rcv_skb+0x130/0x360 [10399.036652][ T7704] netlink_unicast+0x449/0x710 [10399.036652][ T7704] netlink_sendmsg+0x723/0xbe0 [10399.036652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10399.036652][ T7704] ___sys_sendmsg+0xee/0x170 [10399.036652][ T7704] __sys_sendmsg+0xcd/0x170 [10399.036652][ T7704] do_syscall_64+0xc6/0x1e0 [10399.036652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10399.036652][ T7704] [10399.043577][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10399.043577][ T7704] netdev_get_by_index+0x5e/0x80 [10399.043577][ T7704] fib6_nh_init+0x3d8/0x15b0 [10399.043577][ T7704] ip6_route_info_create+0xf18/0x17d0 [10399.043577][ T7704] ip6_route_add+0x1c/0x140 [10399.043577][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10399.043577][ T7704] addrconf_add_dev+0xe2/0x170 [10399.043577][ T7704] inet6_addr_add+0x12f/0xa40 [10399.043577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10399.043577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10399.043577][ T7704] netlink_rcv_skb+0x130/0x360 [10399.043577][ T7704] netlink_unicast+0x449/0x710 [10399.043577][ T7704] netlink_sendmsg+0x723/0xbe0 [10399.043577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10399.043577][ T7704] ___sys_sendmsg+0xee/0x170 [10399.043577][ T7704] __sys_sendmsg+0xcd/0x170 [10399.043577][ T7704] do_syscall_64+0xc6/0x1e0 [10399.043577][ T7704] [10399.062681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10399.062681][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10399.062681][ T7704] ipv6_find_idev+0x102/0x170 [10399.062681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10399.062681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10399.062681][ T7704] netlink_rcv_skb+0x130/0x360 [10399.062681][ T7704] netlink_unicast+0x449/0x710 [10399.062681][ T7704] netlink_sendmsg+0x723/0xbe0 [10399.062681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10399.062681][ T7704] ___sys_sendmsg+0xee/0x170 [10399.062681][ T7704] __sys_sendmsg+0xcd/0x170 [10399.062681][ T7704] do_syscall_64+0xc6/0x1e0 [10399.062681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10399.062681][ T7704] [10399.101191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10399.101191][ T7704] neigh_parms_alloc+0x1e5/0x510 [10399.101191][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10399.101191][ T7704] ipv6_find_idev+0x102/0x170 [10399.101191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10399.101191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10399.101191][ T7704] netlink_rcv_skb+0x130/0x360 [10399.101191][ T7704] netlink_unicast+0x449/0x710 [10399.101191][ T7704] netlink_sendmsg+0x723/0xbe0 [10399.101191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10399.101191][ T7704] ___sys_sendmsg+0xee/0x170 [10399.101191][ T7704] __sys_sendmsg+0xcd/0x170 [10399.101191][ T7704] do_syscall_64+0xc6/0x1e0 [10399.101191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10399.101191][ T7704] [10409.367063][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10409.372836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10409.372836][ T7704] netdev_get_by_index+0x5e/0x80 [10409.372836][ T7704] fib6_nh_init+0x3d8/0x15b0 [10409.372836][ T7704] ip6_route_info_create+0xf18/0x17d0 [10409.372836][ T7704] ip6_route_add+0x1c/0x140 [10409.372836][ T7704] addrconf_prefix_route+0x2a6/0x430 [10409.372836][ T7704] inet6_addr_add+0x4f8/0xa40 [10409.372836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10409.372836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10409.372836][ T7704] netlink_rcv_skb+0x130/0x360 [10409.372836][ T7704] netlink_unicast+0x449/0x710 [10409.372836][ T7704] netlink_sendmsg+0x723/0xbe0 [10409.372836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10409.372836][ T7704] ___sys_sendmsg+0xee/0x170 [10409.372836][ T7704] __sys_sendmsg+0xcd/0x170 [10409.372836][ T7704] do_syscall_64+0xc6/0x1e0 [10409.372836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10409.372836][ T7704] [10409.381210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10409.381210][ T7704] netdev_get_by_index+0x5e/0x80 [10409.381210][ T7704] fib6_nh_init+0x3d8/0x15b0 [10409.381210][ T7704] ip6_route_info_create+0xf18/0x17d0 [10409.381210][ T7704] addrconf_f6i_alloc+0x315/0x560 [10409.381210][ T7704] ipv6_add_addr+0x411/0x2000 [10409.381210][ T7704] inet6_addr_add+0x30e/0xa40 [10409.381210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10409.381210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10409.381210][ T7704] netlink_rcv_skb+0x130/0x360 [10409.381210][ T7704] netlink_unicast+0x449/0x710 [10409.381210][ T7704] netlink_sendmsg+0x723/0xbe0 [10409.381210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10409.381210][ T7704] ___sys_sendmsg+0xee/0x170 [10409.381210][ T7704] __sys_sendmsg+0xcd/0x170 [10409.381210][ T7704] do_syscall_64+0xc6/0x1e0 [10409.381210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10409.381210][ T7704] [10409.393446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10409.393446][ T7704] netdev_get_by_index+0x5e/0x80 [10409.393446][ T7704] fib6_nh_init+0x3d8/0x15b0 [10409.393446][ T7704] ip6_route_info_create+0xf18/0x17d0 [10409.393446][ T7704] ip6_route_add+0x1c/0x140 [10409.393446][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10409.393446][ T7704] addrconf_add_dev+0xe2/0x170 [10409.393446][ T7704] inet6_addr_add+0x12f/0xa40 [10409.393446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10409.393446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10409.393446][ T7704] netlink_rcv_skb+0x130/0x360 [10409.393446][ T7704] netlink_unicast+0x449/0x710 [10409.393446][ T7704] netlink_sendmsg+0x723/0xbe0 [10409.393446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10409.393446][ T7704] ___sys_sendmsg+0xee/0x170 [10409.393446][ T7704] __sys_sendmsg+0xcd/0x170 [10409.393446][ T7704] do_syscall_64+0xc6/0x1e0 [10409.393446][ T7704] [10409.412177][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10409.412177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10409.412177][ T7704] ipv6_find_idev+0x102/0x170 [10409.412177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10409.412177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10409.412177][ T7704] netlink_rcv_skb+0x130/0x360 [10409.412177][ T7704] netlink_unicast+0x449/0x710 [10409.412177][ T7704] netlink_sendmsg+0x723/0xbe0 [10409.412177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10409.412177][ T7704] ___sys_sendmsg+0xee/0x170 [10409.412177][ T7704] __sys_sendmsg+0xcd/0x170 [10409.412177][ T7704] do_syscall_64+0xc6/0x1e0 [10409.412177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10409.412177][ T7704] [10409.417932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10409.417932][ T7704] neigh_parms_alloc+0x1e5/0x510 [10409.417932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10409.417932][ T7704] ipv6_find_idev+0x102/0x170 [10409.417932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10409.417932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10409.417932][ T7704] netlink_rcv_skb+0x130/0x360 [10409.417932][ T7704] netlink_unicast+0x449/0x710 [10409.417932][ T7704] netlink_sendmsg+0x723/0xbe0 [10409.417932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10409.417932][ T7704] ___sys_sendmsg+0xee/0x170 [10409.417932][ T7704] __sys_sendmsg+0xcd/0x170 [10409.417932][ T7704] do_syscall_64+0xc6/0x1e0 [10409.417932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10409.417932][ T7704] [10419.711057][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10419.731864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10419.731864][ T7704] netdev_get_by_index+0x5e/0x80 [10419.731864][ T7704] fib6_nh_init+0x3d8/0x15b0 [10419.731864][ T7704] ip6_route_info_create+0xf18/0x17d0 [10419.731864][ T7704] ip6_route_add+0x1c/0x140 [10419.731864][ T7704] addrconf_prefix_route+0x2a6/0x430 [10419.731864][ T7704] inet6_addr_add+0x4f8/0xa40 [10419.731864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10419.731864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10419.731864][ T7704] netlink_rcv_skb+0x130/0x360 [10419.731864][ T7704] netlink_unicast+0x449/0x710 [10419.731864][ T7704] netlink_sendmsg+0x723/0xbe0 [10419.731864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10419.731864][ T7704] ___sys_sendmsg+0xee/0x170 [10419.731864][ T7704] __sys_sendmsg+0xcd/0x170 [10419.731864][ T7704] do_syscall_64+0xc6/0x1e0 [10419.731864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10419.731864][ T7704] [10419.737065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10419.737065][ T7704] netdev_get_by_index+0x5e/0x80 [10419.737065][ T7704] fib6_nh_init+0x3d8/0x15b0 [10419.737065][ T7704] ip6_route_info_create+0xf18/0x17d0 [10419.737065][ T7704] addrconf_f6i_alloc+0x315/0x560 [10419.737065][ T7704] ipv6_add_addr+0x411/0x2000 [10419.737065][ T7704] inet6_addr_add+0x30e/0xa40 [10419.737065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10419.737065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10419.737065][ T7704] netlink_rcv_skb+0x130/0x360 [10419.737065][ T7704] netlink_unicast+0x449/0x710 [10419.737065][ T7704] netlink_sendmsg+0x723/0xbe0 [10419.737065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10419.737065][ T7704] ___sys_sendmsg+0xee/0x170 [10419.737065][ T7704] __sys_sendmsg+0xcd/0x170 [10419.737065][ T7704] do_syscall_64+0xc6/0x1e0 [10419.737065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10419.737065][ T7704] [10419.768283][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10419.768283][ T7704] netdev_get_by_index+0x5e/0x80 [10419.768283][ T7704] fib6_nh_init+0x3d8/0x15b0 [10419.768283][ T7704] ip6_route_info_create+0xf18/0x17d0 [10419.768283][ T7704] ip6_route_add+0x1c/0x140 [10419.768283][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10419.768283][ T7704] addrconf_add_dev+0xe2/0x170 [10419.768283][ T7704] inet6_addr_add+0x12f/0xa40 [10419.768283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10419.768283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10419.768283][ T7704] netlink_rcv_skb+0x130/0x360 [10419.768283][ T7704] netlink_unicast+0x449/0x710 [10419.768283][ T7704] netlink_sendmsg+0x723/0xbe0 [10419.768283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10419.768283][ T7704] ___sys_sendmsg+0xee/0x170 [10419.768283][ T7704] __sys_sendmsg+0xcd/0x170 [10419.768283][ T7704] do_syscall_64+0xc6/0x1e0 [10419.768283][ T7704] [10419.795299][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10419.795299][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10419.795299][ T7704] ipv6_find_idev+0x102/0x170 [10419.795299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10419.795299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10419.795299][ T7704] netlink_rcv_skb+0x130/0x360 [10419.795299][ T7704] netlink_unicast+0x449/0x710 [10419.795299][ T7704] netlink_sendmsg+0x723/0xbe0 [10419.795299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10419.795299][ T7704] ___sys_sendmsg+0xee/0x170 [10419.795299][ T7704] __sys_sendmsg+0xcd/0x170 [10419.795299][ T7704] do_syscall_64+0xc6/0x1e0 [10419.795299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10419.795299][ T7704] [10419.822856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10419.822856][ T7704] neigh_parms_alloc+0x1e5/0x510 [10419.822856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10419.822856][ T7704] ipv6_find_idev+0x102/0x170 [10419.822856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10419.822856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10419.822856][ T7704] netlink_rcv_skb+0x130/0x360 [10419.822856][ T7704] netlink_unicast+0x449/0x710 [10419.822856][ T7704] netlink_sendmsg+0x723/0xbe0 [10419.822856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10419.822856][ T7704] ___sys_sendmsg+0xee/0x170 [10419.822856][ T7704] __sys_sendmsg+0xcd/0x170 [10419.822856][ T7704] do_syscall_64+0xc6/0x1e0 [10419.822856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10419.822856][ T7704] [10430.118991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10430.162686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10430.162686][ T7704] netdev_get_by_index+0x5e/0x80 [10430.162686][ T7704] fib6_nh_init+0x3d8/0x15b0 [10430.162686][ T7704] ip6_route_info_create+0xf18/0x17d0 [10430.162686][ T7704] ip6_route_add+0x1c/0x140 [10430.162686][ T7704] addrconf_prefix_route+0x2a6/0x430 [10430.162686][ T7704] inet6_addr_add+0x4f8/0xa40 [10430.162686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10430.162686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10430.162686][ T7704] netlink_rcv_skb+0x130/0x360 [10430.162686][ T7704] netlink_unicast+0x449/0x710 [10430.162686][ T7704] netlink_sendmsg+0x723/0xbe0 [10430.162686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10430.162686][ T7704] ___sys_sendmsg+0xee/0x170 [10430.162686][ T7704] __sys_sendmsg+0xcd/0x170 [10430.162686][ T7704] do_syscall_64+0xc6/0x1e0 [10430.162686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10430.162686][ T7704] [10430.177645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10430.177645][ T7704] netdev_get_by_index+0x5e/0x80 [10430.177645][ T7704] fib6_nh_init+0x3d8/0x15b0 [10430.177645][ T7704] ip6_route_info_create+0xf18/0x17d0 [10430.177645][ T7704] addrconf_f6i_alloc+0x315/0x560 [10430.177645][ T7704] ipv6_add_addr+0x411/0x2000 [10430.177645][ T7704] inet6_addr_add+0x30e/0xa40 [10430.177645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10430.177645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10430.177645][ T7704] netlink_rcv_skb+0x130/0x360 [10430.177645][ T7704] netlink_unicast+0x449/0x710 [10430.177645][ T7704] netlink_sendmsg+0x723/0xbe0 [10430.177645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10430.177645][ T7704] ___sys_sendmsg+0xee/0x170 [10430.177645][ T7704] __sys_sendmsg+0xcd/0x170 [10430.177645][ T7704] do_syscall_64+0xc6/0x1e0 [10430.177645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10430.177645][ T7704] [10430.213048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10430.213048][ T7704] netdev_get_by_index+0x5e/0x80 [10430.213048][ T7704] fib6_nh_init+0x3d8/0x15b0 [10430.213048][ T7704] ip6_route_info_create+0xf18/0x17d0 [10430.213048][ T7704] ip6_route_add+0x1c/0x140 [10430.213048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10430.213048][ T7704] addrconf_add_dev+0xe2/0x170 [10430.213048][ T7704] inet6_addr_add+0x12f/0xa40 [10430.213048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10430.213048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10430.213048][ T7704] netlink_rcv_skb+0x130/0x360 [10430.213048][ T7704] netlink_unicast+0x449/0x710 [10430.213048][ T7704] netlink_sendmsg+0x723/0xbe0 [10430.213048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10430.213048][ T7704] ___sys_sendmsg+0xee/0x170 [10430.213048][ T7704] __sys_sendmsg+0xcd/0x170 [10430.213048][ T7704] do_syscall_64+0xc6/0x1e0 [10430.213048][ T7704] [10430.241777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10430.241777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10430.241777][ T7704] ipv6_find_idev+0x102/0x170 [10430.241777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10430.241777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10430.241777][ T7704] netlink_rcv_skb+0x130/0x360 [10430.241777][ T7704] netlink_unicast+0x449/0x710 [10430.241777][ T7704] netlink_sendmsg+0x723/0xbe0 [10430.241777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10430.241777][ T7704] ___sys_sendmsg+0xee/0x170 [10430.241777][ T7704] __sys_sendmsg+0xcd/0x170 [10430.241777][ T7704] do_syscall_64+0xc6/0x1e0 [10430.241777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10430.241777][ T7704] [10430.252790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10430.252790][ T7704] neigh_parms_alloc+0x1e5/0x510 [10430.252790][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10430.252790][ T7704] ipv6_find_idev+0x102/0x170 [10430.252790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10430.252790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10430.252790][ T7704] netlink_rcv_skb+0x130/0x360 [10430.252790][ T7704] netlink_unicast+0x449/0x710 [10430.252790][ T7704] netlink_sendmsg+0x723/0xbe0 [10430.252790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10430.252790][ T7704] ___sys_sendmsg+0xee/0x170 [10430.252790][ T7704] __sys_sendmsg+0xcd/0x170 [10430.252790][ T7704] do_syscall_64+0xc6/0x1e0 [10430.252790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10430.252790][ T7704] [10440.503166][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10440.518025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10440.518025][ T7704] netdev_get_by_index+0x5e/0x80 [10440.518025][ T7704] fib6_nh_init+0x3d8/0x15b0 [10440.518025][ T7704] ip6_route_info_create+0xf18/0x17d0 [10440.518025][ T7704] ip6_route_add+0x1c/0x140 [10440.518025][ T7704] addrconf_prefix_route+0x2a6/0x430 [10440.518025][ T7704] inet6_addr_add+0x4f8/0xa40 [10440.518025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10440.518025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10440.518025][ T7704] netlink_rcv_skb+0x130/0x360 [10440.518025][ T7704] netlink_unicast+0x449/0x710 [10440.518025][ T7704] netlink_sendmsg+0x723/0xbe0 [10440.518025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10440.518025][ T7704] ___sys_sendmsg+0xee/0x170 [10440.518025][ T7704] __sys_sendmsg+0xcd/0x170 [10440.518025][ T7704] do_syscall_64+0xc6/0x1e0 [10440.518025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10440.518025][ T7704] [10440.523333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10440.523333][ T7704] netdev_get_by_index+0x5e/0x80 [10440.523333][ T7704] fib6_nh_init+0x3d8/0x15b0 [10440.523333][ T7704] ip6_route_info_create+0xf18/0x17d0 [10440.523333][ T7704] addrconf_f6i_alloc+0x315/0x560 [10440.523333][ T7704] ipv6_add_addr+0x411/0x2000 [10440.523333][ T7704] inet6_addr_add+0x30e/0xa40 [10440.523333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10440.523333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10440.523333][ T7704] netlink_rcv_skb+0x130/0x360 [10440.523333][ T7704] netlink_unicast+0x449/0x710 [10440.523333][ T7704] netlink_sendmsg+0x723/0xbe0 [10440.523333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10440.523333][ T7704] ___sys_sendmsg+0xee/0x170 [10440.523333][ T7704] __sys_sendmsg+0xcd/0x170 [10440.523333][ T7704] do_syscall_64+0xc6/0x1e0 [10440.523333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10440.523333][ T7704] [10440.572243][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10440.572243][ T7704] netdev_get_by_index+0x5e/0x80 [10440.572243][ T7704] fib6_nh_init+0x3d8/0x15b0 [10440.572243][ T7704] ip6_route_info_create+0xf18/0x17d0 [10440.572243][ T7704] ip6_route_add+0x1c/0x140 [10440.572243][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10440.572243][ T7704] addrconf_add_dev+0xe2/0x170 [10440.572243][ T7704] inet6_addr_add+0x12f/0xa40 [10440.572243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10440.572243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10440.572243][ T7704] netlink_rcv_skb+0x130/0x360 [10440.572243][ T7704] netlink_unicast+0x449/0x710 [10440.572243][ T7704] netlink_sendmsg+0x723/0xbe0 [10440.572243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10440.572243][ T7704] ___sys_sendmsg+0xee/0x170 [10440.572243][ T7704] __sys_sendmsg+0xcd/0x170 [10440.572243][ T7704] do_syscall_64+0xc6/0x1e0 [10440.572243][ T7704] [10440.579342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10440.579342][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10440.579342][ T7704] ipv6_find_idev+0x102/0x170 [10440.579342][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10440.579342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10440.579342][ T7704] netlink_rcv_skb+0x130/0x360 [10440.579342][ T7704] netlink_unicast+0x449/0x710 [10440.579342][ T7704] netlink_sendmsg+0x723/0xbe0 [10440.579342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10440.579342][ T7704] ___sys_sendmsg+0xee/0x170 [10440.579342][ T7704] __sys_sendmsg+0xcd/0x170 [10440.579342][ T7704] do_syscall_64+0xc6/0x1e0 [10440.579342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10440.579342][ T7704] [10440.596663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10440.596663][ T7704] neigh_parms_alloc+0x1e5/0x510 [10440.596663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10440.596663][ T7704] ipv6_find_idev+0x102/0x170 [10440.596663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10440.596663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10440.596663][ T7704] netlink_rcv_skb+0x130/0x360 [10440.596663][ T7704] netlink_unicast+0x449/0x710 [10440.596663][ T7704] netlink_sendmsg+0x723/0xbe0 [10440.596663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10440.596663][ T7704] ___sys_sendmsg+0xee/0x170 [10440.596663][ T7704] __sys_sendmsg+0xcd/0x170 [10440.596663][ T7704] do_syscall_64+0xc6/0x1e0 [10440.596663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10440.596663][ T7704] [10450.855050][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10450.868212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10450.868212][ T7704] netdev_get_by_index+0x5e/0x80 [10450.868212][ T7704] fib6_nh_init+0x3d8/0x15b0 [10450.868212][ T7704] ip6_route_info_create+0xf18/0x17d0 [10450.868212][ T7704] ip6_route_add+0x1c/0x140 [10450.868212][ T7704] addrconf_prefix_route+0x2a6/0x430 [10450.868212][ T7704] inet6_addr_add+0x4f8/0xa40 [10450.868212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10450.868212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10450.868212][ T7704] netlink_rcv_skb+0x130/0x360 [10450.868212][ T7704] netlink_unicast+0x449/0x710 [10450.868212][ T7704] netlink_sendmsg+0x723/0xbe0 [10450.868212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10450.868212][ T7704] ___sys_sendmsg+0xee/0x170 [10450.868212][ T7704] __sys_sendmsg+0xcd/0x170 [10450.868212][ T7704] do_syscall_64+0xc6/0x1e0 [10450.868212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10450.868212][ T7704] [10450.875210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10450.875210][ T7704] netdev_get_by_index+0x5e/0x80 [10450.875210][ T7704] fib6_nh_init+0x3d8/0x15b0 [10450.875210][ T7704] ip6_route_info_create+0xf18/0x17d0 [10450.875210][ T7704] addrconf_f6i_alloc+0x315/0x560 [10450.875210][ T7704] ipv6_add_addr+0x411/0x2000 [10450.875210][ T7704] inet6_addr_add+0x30e/0xa40 [10450.875210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10450.875210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10450.875210][ T7704] netlink_rcv_skb+0x130/0x360 [10450.875210][ T7704] netlink_unicast+0x449/0x710 [10450.875210][ T7704] netlink_sendmsg+0x723/0xbe0 [10450.875210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10450.875210][ T7704] ___sys_sendmsg+0xee/0x170 [10450.875210][ T7704] __sys_sendmsg+0xcd/0x170 [10450.875210][ T7704] do_syscall_64+0xc6/0x1e0 [10450.875210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10450.875210][ T7704] [10450.914410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10450.914410][ T7704] netdev_get_by_index+0x5e/0x80 [10450.914410][ T7704] fib6_nh_init+0x3d8/0x15b0 [10450.914410][ T7704] ip6_route_info_create+0xf18/0x17d0 [10450.914410][ T7704] ip6_route_add+0x1c/0x140 [10450.914410][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10450.914410][ T7704] addrconf_add_dev+0xe2/0x170 [10450.914410][ T7704] inet6_addr_add+0x12f/0xa40 [10450.914410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10450.914410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10450.914410][ T7704] netlink_rcv_skb+0x130/0x360 [10450.914410][ T7704] netlink_unicast+0x449/0x710 [10450.914410][ T7704] netlink_sendmsg+0x723/0xbe0 [10450.914410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10450.914410][ T7704] ___sys_sendmsg+0xee/0x170 [10450.914410][ T7704] __sys_sendmsg+0xcd/0x170 [10450.914410][ T7704] do_syscall_64+0xc6/0x1e0 [10450.914410][ T7704] [10450.947380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10450.947380][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10450.947380][ T7704] ipv6_find_idev+0x102/0x170 [10450.947380][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10450.947380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10450.947380][ T7704] netlink_rcv_skb+0x130/0x360 [10450.947380][ T7704] netlink_unicast+0x449/0x710 [10450.947380][ T7704] netlink_sendmsg+0x723/0xbe0 [10450.947380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10450.947380][ T7704] ___sys_sendmsg+0xee/0x170 [10450.947380][ T7704] __sys_sendmsg+0xcd/0x170 [10450.947380][ T7704] do_syscall_64+0xc6/0x1e0 [10450.947380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10450.947380][ T7704] [10450.966393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10450.966393][ T7704] neigh_parms_alloc+0x1e5/0x510 [10450.966393][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10450.966393][ T7704] ipv6_find_idev+0x102/0x170 [10450.966393][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10450.966393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10450.966393][ T7704] netlink_rcv_skb+0x130/0x360 [10450.966393][ T7704] netlink_unicast+0x449/0x710 [10450.966393][ T7704] netlink_sendmsg+0x723/0xbe0 [10450.966393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10450.966393][ T7704] ___sys_sendmsg+0xee/0x170 [10450.966393][ T7704] __sys_sendmsg+0xcd/0x170 [10450.966393][ T7704] do_syscall_64+0xc6/0x1e0 [10450.966393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10450.966393][ T7704] [10461.247155][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10461.255929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10461.255929][ T7704] netdev_get_by_index+0x5e/0x80 [10461.255929][ T7704] fib6_nh_init+0x3d8/0x15b0 [10461.255929][ T7704] ip6_route_info_create+0xf18/0x17d0 [10461.255929][ T7704] ip6_route_add+0x1c/0x140 [10461.255929][ T7704] addrconf_prefix_route+0x2a6/0x430 [10461.255929][ T7704] inet6_addr_add+0x4f8/0xa40 [10461.255929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10461.255929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10461.255929][ T7704] netlink_rcv_skb+0x130/0x360 [10461.255929][ T7704] netlink_unicast+0x449/0x710 [10461.255929][ T7704] netlink_sendmsg+0x723/0xbe0 [10461.255929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10461.255929][ T7704] ___sys_sendmsg+0xee/0x170 [10461.255929][ T7704] __sys_sendmsg+0xcd/0x170 [10461.255929][ T7704] do_syscall_64+0xc6/0x1e0 [10461.255929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10461.255929][ T7704] [10461.262319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10461.262319][ T7704] netdev_get_by_index+0x5e/0x80 [10461.262319][ T7704] fib6_nh_init+0x3d8/0x15b0 [10461.262319][ T7704] ip6_route_info_create+0xf18/0x17d0 [10461.262319][ T7704] addrconf_f6i_alloc+0x315/0x560 [10461.262319][ T7704] ipv6_add_addr+0x411/0x2000 [10461.262319][ T7704] inet6_addr_add+0x30e/0xa40 [10461.262319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10461.262319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10461.262319][ T7704] netlink_rcv_skb+0x130/0x360 [10461.262319][ T7704] netlink_unicast+0x449/0x710 [10461.262319][ T7704] netlink_sendmsg+0x723/0xbe0 [10461.262319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10461.262319][ T7704] ___sys_sendmsg+0xee/0x170 [10461.262319][ T7704] __sys_sendmsg+0xcd/0x170 [10461.262319][ T7704] do_syscall_64+0xc6/0x1e0 [10461.262319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10461.262319][ T7704] [10461.291346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10461.291346][ T7704] netdev_get_by_index+0x5e/0x80 [10461.291346][ T7704] fib6_nh_init+0x3d8/0x15b0 [10461.291346][ T7704] ip6_route_info_create+0xf18/0x17d0 [10461.291346][ T7704] ip6_route_add+0x1c/0x140 [10461.291346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10461.291346][ T7704] addrconf_add_dev+0xe2/0x170 [10461.291346][ T7704] inet6_addr_add+0x12f/0xa40 [10461.291346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10461.291346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10461.291346][ T7704] netlink_rcv_skb+0x130/0x360 [10461.291346][ T7704] netlink_unicast+0x449/0x710 [10461.291346][ T7704] netlink_sendmsg+0x723/0xbe0 [10461.291346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10461.291346][ T7704] ___sys_sendmsg+0xee/0x170 [10461.291346][ T7704] __sys_sendmsg+0xcd/0x170 [10461.291346][ T7704] do_syscall_64+0xc6/0x1e0 [10461.291346][ T7704] [10461.298552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10461.298552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10461.298552][ T7704] ipv6_find_idev+0x102/0x170 [10461.298552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10461.298552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10461.298552][ T7704] netlink_rcv_skb+0x130/0x360 [10461.298552][ T7704] netlink_unicast+0x449/0x710 [10461.298552][ T7704] netlink_sendmsg+0x723/0xbe0 [10461.298552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10461.298552][ T7704] ___sys_sendmsg+0xee/0x170 [10461.298552][ T7704] __sys_sendmsg+0xcd/0x170 [10461.298552][ T7704] do_syscall_64+0xc6/0x1e0 [10461.298552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10461.298552][ T7704] [10461.315505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10461.315505][ T7704] neigh_parms_alloc+0x1e5/0x510 [10461.315505][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10461.315505][ T7704] ipv6_find_idev+0x102/0x170 [10461.315505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10461.315505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10461.315505][ T7704] netlink_rcv_skb+0x130/0x360 [10461.315505][ T7704] netlink_unicast+0x449/0x710 [10461.315505][ T7704] netlink_sendmsg+0x723/0xbe0 [10461.315505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10461.315505][ T7704] ___sys_sendmsg+0xee/0x170 [10461.315505][ T7704] __sys_sendmsg+0xcd/0x170 [10461.315505][ T7704] do_syscall_64+0xc6/0x1e0 [10461.315505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10461.315505][ T7704] [10471.591110][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10471.610938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10471.610938][ T7704] netdev_get_by_index+0x5e/0x80 [10471.610938][ T7704] fib6_nh_init+0x3d8/0x15b0 [10471.610938][ T7704] ip6_route_info_create+0xf18/0x17d0 [10471.610938][ T7704] ip6_route_add+0x1c/0x140 [10471.610938][ T7704] addrconf_prefix_route+0x2a6/0x430 [10471.610938][ T7704] inet6_addr_add+0x4f8/0xa40 [10471.610938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10471.610938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10471.610938][ T7704] netlink_rcv_skb+0x130/0x360 [10471.610938][ T7704] netlink_unicast+0x449/0x710 [10471.610938][ T7704] netlink_sendmsg+0x723/0xbe0 [10471.610938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10471.610938][ T7704] ___sys_sendmsg+0xee/0x170 [10471.610938][ T7704] __sys_sendmsg+0xcd/0x170 [10471.610938][ T7704] do_syscall_64+0xc6/0x1e0 [10471.610938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10471.610938][ T7704] [10471.633428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10471.633428][ T7704] netdev_get_by_index+0x5e/0x80 [10471.633428][ T7704] fib6_nh_init+0x3d8/0x15b0 [10471.633428][ T7704] ip6_route_info_create+0xf18/0x17d0 [10471.633428][ T7704] addrconf_f6i_alloc+0x315/0x560 [10471.633428][ T7704] ipv6_add_addr+0x411/0x2000 [10471.633428][ T7704] inet6_addr_add+0x30e/0xa40 [10471.633428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10471.633428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10471.633428][ T7704] netlink_rcv_skb+0x130/0x360 [10471.633428][ T7704] netlink_unicast+0x449/0x710 [10471.633428][ T7704] netlink_sendmsg+0x723/0xbe0 [10471.633428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10471.633428][ T7704] ___sys_sendmsg+0xee/0x170 [10471.633428][ T7704] __sys_sendmsg+0xcd/0x170 [10471.633428][ T7704] do_syscall_64+0xc6/0x1e0 [10471.633428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10471.633428][ T7704] [10471.637588][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10471.637588][ T7704] netdev_get_by_index+0x5e/0x80 [10471.637588][ T7704] fib6_nh_init+0x3d8/0x15b0 [10471.637588][ T7704] ip6_route_info_create+0xf18/0x17d0 [10471.637588][ T7704] ip6_route_add+0x1c/0x140 [10471.637588][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10471.637588][ T7704] addrconf_add_dev+0xe2/0x170 [10471.637588][ T7704] inet6_addr_add+0x12f/0xa40 [10471.637588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10471.637588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10471.637588][ T7704] netlink_rcv_skb+0x130/0x360 [10471.637588][ T7704] netlink_unicast+0x449/0x710 [10471.637588][ T7704] netlink_sendmsg+0x723/0xbe0 [10471.637588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10471.637588][ T7704] ___sys_sendmsg+0xee/0x170 [10471.637588][ T7704] __sys_sendmsg+0xcd/0x170 [10471.637588][ T7704] do_syscall_64+0xc6/0x1e0 [10471.637588][ T7704] [10471.662855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10471.662855][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10471.662855][ T7704] ipv6_find_idev+0x102/0x170 [10471.662855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10471.662855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10471.662855][ T7704] netlink_rcv_skb+0x130/0x360 [10471.662855][ T7704] netlink_unicast+0x449/0x710 [10471.662855][ T7704] netlink_sendmsg+0x723/0xbe0 [10471.662855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10471.662855][ T7704] ___sys_sendmsg+0xee/0x170 [10471.662855][ T7704] __sys_sendmsg+0xcd/0x170 [10471.662855][ T7704] do_syscall_64+0xc6/0x1e0 [10471.662855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10471.662855][ T7704] [10471.668388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10471.668388][ T7704] neigh_parms_alloc+0x1e5/0x510 [10471.668388][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10471.668388][ T7704] ipv6_find_idev+0x102/0x170 [10471.668388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10471.668388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10471.668388][ T7704] netlink_rcv_skb+0x130/0x360 [10471.668388][ T7704] netlink_unicast+0x449/0x710 [10471.668388][ T7704] netlink_sendmsg+0x723/0xbe0 [10471.668388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10471.668388][ T7704] ___sys_sendmsg+0xee/0x170 [10471.668388][ T7704] __sys_sendmsg+0xcd/0x170 [10471.668388][ T7704] do_syscall_64+0xc6/0x1e0 [10471.668388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10471.668388][ T7704] [10481.910966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10481.911673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10481.911673][ T7704] netdev_get_by_index+0x5e/0x80 [10481.911673][ T7704] fib6_nh_init+0x3d8/0x15b0 [10481.911673][ T7704] ip6_route_info_create+0xf18/0x17d0 [10481.911673][ T7704] ip6_route_add+0x1c/0x140 [10481.911673][ T7704] addrconf_prefix_route+0x2a6/0x430 [10481.911673][ T7704] inet6_addr_add+0x4f8/0xa40 [10481.911673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10481.911673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10481.911673][ T7704] netlink_rcv_skb+0x130/0x360 [10481.911673][ T7704] netlink_unicast+0x449/0x710 [10481.911673][ T7704] netlink_sendmsg+0x723/0xbe0 [10481.911673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10481.911673][ T7704] ___sys_sendmsg+0xee/0x170 [10481.911673][ T7704] __sys_sendmsg+0xcd/0x170 [10481.911673][ T7704] do_syscall_64+0xc6/0x1e0 [10481.911673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10481.911673][ T7704] [10481.915457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10481.915457][ T7704] netdev_get_by_index+0x5e/0x80 [10481.915457][ T7704] fib6_nh_init+0x3d8/0x15b0 [10481.915457][ T7704] ip6_route_info_create+0xf18/0x17d0 [10481.915457][ T7704] addrconf_f6i_alloc+0x315/0x560 [10481.915457][ T7704] ipv6_add_addr+0x411/0x2000 [10481.915457][ T7704] inet6_addr_add+0x30e/0xa40 [10481.915457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10481.915457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10481.915457][ T7704] netlink_rcv_skb+0x130/0x360 [10481.915457][ T7704] netlink_unicast+0x449/0x710 [10481.915457][ T7704] netlink_sendmsg+0x723/0xbe0 [10481.915457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10481.915457][ T7704] ___sys_sendmsg+0xee/0x170 [10481.915457][ T7704] __sys_sendmsg+0xcd/0x170 [10481.915457][ T7704] do_syscall_64+0xc6/0x1e0 [10481.915457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10481.915457][ T7704] [10481.919147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10481.919147][ T7704] netdev_get_by_index+0x5e/0x80 [10481.919147][ T7704] fib6_nh_init+0x3d8/0x15b0 [10481.919147][ T7704] ip6_route_info_create+0xf18/0x17d0 [10481.919147][ T7704] ip6_route_add+0x1c/0x140 [10481.919147][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10481.919147][ T7704] addrconf_add_dev+0xe2/0x170 [10481.919147][ T7704] inet6_addr_add+0x12f/0xa40 [10481.919147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10481.919147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10481.919147][ T7704] netlink_rcv_skb+0x130/0x360 [10481.919147][ T7704] netlink_unicast+0x449/0x710 [10481.919147][ T7704] netlink_sendmsg+0x723/0xbe0 [10481.919147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10481.919147][ T7704] ___sys_sendmsg+0xee/0x170 [10481.919147][ T7704] __sys_sendmsg+0xcd/0x170 [10481.919147][ T7704] do_syscall_64+0xc6/0x1e0 [10481.919147][ T7704] [10481.922840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10481.922840][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10481.922840][ T7704] ipv6_find_idev+0x102/0x170 [10481.922840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10481.922840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10481.922840][ T7704] netlink_rcv_skb+0x130/0x360 [10481.922840][ T7704] netlink_unicast+0x449/0x710 [10481.922840][ T7704] netlink_sendmsg+0x723/0xbe0 [10481.922840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10481.922840][ T7704] ___sys_sendmsg+0xee/0x170 [10481.922840][ T7704] __sys_sendmsg+0xcd/0x170 [10481.922840][ T7704] do_syscall_64+0xc6/0x1e0 [10481.922840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10481.922840][ T7704] [10481.925821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10481.925821][ T7704] neigh_parms_alloc+0x1e5/0x510 [10481.925821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10481.925821][ T7704] ipv6_find_idev+0x102/0x170 [10481.925821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10481.925821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10481.925821][ T7704] netlink_rcv_skb+0x130/0x360 [10481.925821][ T7704] netlink_unicast+0x449/0x710 [10481.925821][ T7704] netlink_sendmsg+0x723/0xbe0 [10481.925821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10481.925821][ T7704] ___sys_sendmsg+0xee/0x170 [10481.925821][ T7704] __sys_sendmsg+0xcd/0x170 [10481.925821][ T7704] do_syscall_64+0xc6/0x1e0 [10481.925821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10481.925821][ T7704] [10492.167026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10492.171328][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10492.171328][ T7704] netdev_get_by_index+0x5e/0x80 [10492.171328][ T7704] fib6_nh_init+0x3d8/0x15b0 [10492.171328][ T7704] ip6_route_info_create+0xf18/0x17d0 [10492.171328][ T7704] ip6_route_add+0x1c/0x140 [10492.171328][ T7704] addrconf_prefix_route+0x2a6/0x430 [10492.171328][ T7704] inet6_addr_add+0x4f8/0xa40 [10492.171328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10492.171328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10492.171328][ T7704] netlink_rcv_skb+0x130/0x360 [10492.171328][ T7704] netlink_unicast+0x449/0x710 [10492.171328][ T7704] netlink_sendmsg+0x723/0xbe0 [10492.171328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10492.171328][ T7704] ___sys_sendmsg+0xee/0x170 [10492.171328][ T7704] __sys_sendmsg+0xcd/0x170 [10492.171328][ T7704] do_syscall_64+0xc6/0x1e0 [10492.171328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10492.171328][ T7704] [10492.176243][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10492.176243][ T7704] netdev_get_by_index+0x5e/0x80 [10492.176243][ T7704] fib6_nh_init+0x3d8/0x15b0 [10492.176243][ T7704] ip6_route_info_create+0xf18/0x17d0 [10492.176243][ T7704] addrconf_f6i_alloc+0x315/0x560 [10492.176243][ T7704] ipv6_add_addr+0x411/0x2000 [10492.176243][ T7704] inet6_addr_add+0x30e/0xa40 [10492.176243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10492.176243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10492.176243][ T7704] netlink_rcv_skb+0x130/0x360 [10492.176243][ T7704] netlink_unicast+0x449/0x710 [10492.176243][ T7704] netlink_sendmsg+0x723/0xbe0 [10492.176243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10492.176243][ T7704] ___sys_sendmsg+0xee/0x170 [10492.176243][ T7704] __sys_sendmsg+0xcd/0x170 [10492.176243][ T7704] do_syscall_64+0xc6/0x1e0 [10492.176243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10492.176243][ T7704] [10492.186791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10492.186791][ T7704] netdev_get_by_index+0x5e/0x80 [10492.186791][ T7704] fib6_nh_init+0x3d8/0x15b0 [10492.186791][ T7704] ip6_route_info_create+0xf18/0x17d0 [10492.186791][ T7704] ip6_route_add+0x1c/0x140 [10492.186791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10492.186791][ T7704] addrconf_add_dev+0xe2/0x170 [10492.186791][ T7704] inet6_addr_add+0x12f/0xa40 [10492.186791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10492.186791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10492.186791][ T7704] netlink_rcv_skb+0x130/0x360 [10492.186791][ T7704] netlink_unicast+0x449/0x710 [10492.186791][ T7704] netlink_sendmsg+0x723/0xbe0 [10492.186791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10492.186791][ T7704] ___sys_sendmsg+0xee/0x170 [10492.186791][ T7704] __sys_sendmsg+0xcd/0x170 [10492.186791][ T7704] do_syscall_64+0xc6/0x1e0 [10492.186791][ T7704] [10492.192027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10492.192027][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10492.192027][ T7704] ipv6_find_idev+0x102/0x170 [10492.192027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10492.192027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10492.192027][ T7704] netlink_rcv_skb+0x130/0x360 [10492.192027][ T7704] netlink_unicast+0x449/0x710 [10492.192027][ T7704] netlink_sendmsg+0x723/0xbe0 [10492.192027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10492.192027][ T7704] ___sys_sendmsg+0xee/0x170 [10492.192027][ T7704] __sys_sendmsg+0xcd/0x170 [10492.192027][ T7704] do_syscall_64+0xc6/0x1e0 [10492.192027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10492.192027][ T7704] [10492.208278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10492.208278][ T7704] neigh_parms_alloc+0x1e5/0x510 [10492.208278][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10492.208278][ T7704] ipv6_find_idev+0x102/0x170 [10492.208278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10492.208278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10492.208278][ T7704] netlink_rcv_skb+0x130/0x360 [10492.208278][ T7704] netlink_unicast+0x449/0x710 [10492.208278][ T7704] netlink_sendmsg+0x723/0xbe0 [10492.208278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10492.208278][ T7704] ___sys_sendmsg+0xee/0x170 [10492.208278][ T7704] __sys_sendmsg+0xcd/0x170 [10492.208278][ T7704] do_syscall_64+0xc6/0x1e0 [10492.208278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10492.208278][ T7704] [10502.447324][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10502.469934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10502.469934][ T7704] netdev_get_by_index+0x5e/0x80 [10502.469934][ T7704] fib6_nh_init+0x3d8/0x15b0 [10502.469934][ T7704] ip6_route_info_create+0xf18/0x17d0 [10502.469934][ T7704] ip6_route_add+0x1c/0x140 [10502.469934][ T7704] addrconf_prefix_route+0x2a6/0x430 [10502.469934][ T7704] inet6_addr_add+0x4f8/0xa40 [10502.469934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10502.469934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10502.469934][ T7704] netlink_rcv_skb+0x130/0x360 [10502.469934][ T7704] netlink_unicast+0x449/0x710 [10502.469934][ T7704] netlink_sendmsg+0x723/0xbe0 [10502.469934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10502.469934][ T7704] ___sys_sendmsg+0xee/0x170 [10502.469934][ T7704] __sys_sendmsg+0xcd/0x170 [10502.469934][ T7704] do_syscall_64+0xc6/0x1e0 [10502.469934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10502.469934][ T7704] [10502.476091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10502.476091][ T7704] netdev_get_by_index+0x5e/0x80 [10502.476091][ T7704] fib6_nh_init+0x3d8/0x15b0 [10502.476091][ T7704] ip6_route_info_create+0xf18/0x17d0 [10502.476091][ T7704] addrconf_f6i_alloc+0x315/0x560 [10502.476091][ T7704] ipv6_add_addr+0x411/0x2000 [10502.476091][ T7704] inet6_addr_add+0x30e/0xa40 [10502.476091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10502.476091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10502.476091][ T7704] netlink_rcv_skb+0x130/0x360 [10502.476091][ T7704] netlink_unicast+0x449/0x710 [10502.476091][ T7704] netlink_sendmsg+0x723/0xbe0 [10502.476091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10502.476091][ T7704] ___sys_sendmsg+0xee/0x170 [10502.476091][ T7704] __sys_sendmsg+0xcd/0x170 [10502.476091][ T7704] do_syscall_64+0xc6/0x1e0 [10502.476091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10502.476091][ T7704] [10502.481977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10502.481977][ T7704] netdev_get_by_index+0x5e/0x80 [10502.481977][ T7704] fib6_nh_init+0x3d8/0x15b0 [10502.481977][ T7704] ip6_route_info_create+0xf18/0x17d0 [10502.481977][ T7704] ip6_route_add+0x1c/0x140 [10502.481977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10502.481977][ T7704] addrconf_add_dev+0xe2/0x170 [10502.481977][ T7704] inet6_addr_add+0x12f/0xa40 [10502.481977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10502.481977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10502.481977][ T7704] netlink_rcv_skb+0x130/0x360 [10502.481977][ T7704] netlink_unicast+0x449/0x710 [10502.481977][ T7704] netlink_sendmsg+0x723/0xbe0 [10502.481977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10502.481977][ T7704] ___sys_sendmsg+0xee/0x170 [10502.481977][ T7704] __sys_sendmsg+0xcd/0x170 [10502.481977][ T7704] do_syscall_64+0xc6/0x1e0 [10502.481977][ T7704] [10502.487917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10502.487917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10502.487917][ T7704] ipv6_find_idev+0x102/0x170 [10502.487917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10502.487917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10502.487917][ T7704] netlink_rcv_skb+0x130/0x360 [10502.487917][ T7704] netlink_unicast+0x449/0x710 [10502.487917][ T7704] netlink_sendmsg+0x723/0xbe0 [10502.487917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10502.487917][ T7704] ___sys_sendmsg+0xee/0x170 [10502.487917][ T7704] __sys_sendmsg+0xcd/0x170 [10502.487917][ T7704] do_syscall_64+0xc6/0x1e0 [10502.487917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10502.487917][ T7704] [10502.492501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10502.492501][ T7704] neigh_parms_alloc+0x1e5/0x510 [10502.492501][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10502.492501][ T7704] ipv6_find_idev+0x102/0x170 [10502.492501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10502.492501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10502.492501][ T7704] netlink_rcv_skb+0x130/0x360 [10502.492501][ T7704] netlink_unicast+0x449/0x710 [10502.492501][ T7704] netlink_sendmsg+0x723/0xbe0 [10502.492501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10502.492501][ T7704] ___sys_sendmsg+0xee/0x170 [10502.492501][ T7704] __sys_sendmsg+0xcd/0x170 [10502.492501][ T7704] do_syscall_64+0xc6/0x1e0 [10502.492501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10502.492501][ T7704] [10512.734998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10512.767699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10512.767699][ T7704] netdev_get_by_index+0x5e/0x80 [10512.767699][ T7704] fib6_nh_init+0x3d8/0x15b0 [10512.767699][ T7704] ip6_route_info_create+0xf18/0x17d0 [10512.767699][ T7704] ip6_route_add+0x1c/0x140 [10512.767699][ T7704] addrconf_prefix_route+0x2a6/0x430 [10512.767699][ T7704] inet6_addr_add+0x4f8/0xa40 [10512.767699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10512.767699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10512.767699][ T7704] netlink_rcv_skb+0x130/0x360 [10512.767699][ T7704] netlink_unicast+0x449/0x710 [10512.767699][ T7704] netlink_sendmsg+0x723/0xbe0 [10512.767699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10512.767699][ T7704] ___sys_sendmsg+0xee/0x170 [10512.767699][ T7704] __sys_sendmsg+0xcd/0x170 [10512.767699][ T7704] do_syscall_64+0xc6/0x1e0 [10512.767699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10512.767699][ T7704] [10512.771971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10512.771971][ T7704] netdev_get_by_index+0x5e/0x80 [10512.771971][ T7704] fib6_nh_init+0x3d8/0x15b0 [10512.771971][ T7704] ip6_route_info_create+0xf18/0x17d0 [10512.771971][ T7704] addrconf_f6i_alloc+0x315/0x560 [10512.771971][ T7704] ipv6_add_addr+0x411/0x2000 [10512.771971][ T7704] inet6_addr_add+0x30e/0xa40 [10512.771971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10512.771971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10512.771971][ T7704] netlink_rcv_skb+0x130/0x360 [10512.771971][ T7704] netlink_unicast+0x449/0x710 [10512.771971][ T7704] netlink_sendmsg+0x723/0xbe0 [10512.771971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10512.771971][ T7704] ___sys_sendmsg+0xee/0x170 [10512.771971][ T7704] __sys_sendmsg+0xcd/0x170 [10512.771971][ T7704] do_syscall_64+0xc6/0x1e0 [10512.771971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10512.771971][ T7704] [10512.776084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10512.776084][ T7704] netdev_get_by_index+0x5e/0x80 [10512.776084][ T7704] fib6_nh_init+0x3d8/0x15b0 [10512.776084][ T7704] ip6_route_info_create+0xf18/0x17d0 [10512.776084][ T7704] ip6_route_add+0x1c/0x140 [10512.776084][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10512.776084][ T7704] addrconf_add_dev+0xe2/0x170 [10512.776084][ T7704] inet6_addr_add+0x12f/0xa40 [10512.776084][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10512.776084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10512.776084][ T7704] netlink_rcv_skb+0x130/0x360 [10512.776084][ T7704] netlink_unicast+0x449/0x710 [10512.776084][ T7704] netlink_sendmsg+0x723/0xbe0 [10512.776084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10512.776084][ T7704] ___sys_sendmsg+0xee/0x170 [10512.776084][ T7704] __sys_sendmsg+0xcd/0x170 [10512.776084][ T7704] do_syscall_64+0xc6/0x1e0 [10512.776084][ T7704] [10512.781260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10512.781260][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10512.781260][ T7704] ipv6_find_idev+0x102/0x170 [10512.781260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10512.781260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10512.781260][ T7704] netlink_rcv_skb+0x130/0x360 [10512.781260][ T7704] netlink_unicast+0x449/0x710 [10512.781260][ T7704] netlink_sendmsg+0x723/0xbe0 [10512.781260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10512.781260][ T7704] ___sys_sendmsg+0xee/0x170 [10512.781260][ T7704] __sys_sendmsg+0xcd/0x170 [10512.781260][ T7704] do_syscall_64+0xc6/0x1e0 [10512.781260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10512.781260][ T7704] [10512.784432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10512.784432][ T7704] neigh_parms_alloc+0x1e5/0x510 [10512.784432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10512.784432][ T7704] ipv6_find_idev+0x102/0x170 [10512.784432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10512.784432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10512.784432][ T7704] netlink_rcv_skb+0x130/0x360 [10512.784432][ T7704] netlink_unicast+0x449/0x710 [10512.784432][ T7704] netlink_sendmsg+0x723/0xbe0 [10512.784432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10512.784432][ T7704] ___sys_sendmsg+0xee/0x170 [10512.784432][ T7704] __sys_sendmsg+0xcd/0x170 [10512.784432][ T7704] do_syscall_64+0xc6/0x1e0 [10512.784432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10512.784432][ T7704] [10523.031129][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10523.050766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10523.050766][ T7704] netdev_get_by_index+0x5e/0x80 [10523.050766][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.050766][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.050766][ T7704] ip6_route_add+0x1c/0x140 [10523.050766][ T7704] addrconf_prefix_route+0x2a6/0x430 [10523.050766][ T7704] inet6_addr_add+0x4f8/0xa40 [10523.050766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.050766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.050766][ T7704] netlink_rcv_skb+0x130/0x360 [10523.050766][ T7704] netlink_unicast+0x449/0x710 [10523.050766][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.050766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.050766][ T7704] ___sys_sendmsg+0xee/0x170 [10523.050766][ T7704] __sys_sendmsg+0xcd/0x170 [10523.050766][ T7704] do_syscall_64+0xc6/0x1e0 [10523.050766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.050766][ T7704] [10523.059643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10523.059643][ T7704] netdev_get_by_index+0x5e/0x80 [10523.059643][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.059643][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.059643][ T7704] addrconf_f6i_alloc+0x315/0x560 [10523.059643][ T7704] ipv6_add_addr+0x411/0x2000 [10523.059643][ T7704] inet6_addr_add+0x30e/0xa40 [10523.059643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.059643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.059643][ T7704] netlink_rcv_skb+0x130/0x360 [10523.059643][ T7704] netlink_unicast+0x449/0x710 [10523.059643][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.059643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.059643][ T7704] ___sys_sendmsg+0xee/0x170 [10523.059643][ T7704] __sys_sendmsg+0xcd/0x170 [10523.059643][ T7704] do_syscall_64+0xc6/0x1e0 [10523.059643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.059643][ T7704] [10523.067164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10523.067164][ T7704] netdev_get_by_index+0x5e/0x80 [10523.067164][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.067164][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.067164][ T7704] ip6_route_add+0x1c/0x140 [10523.067164][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10523.067164][ T7704] addrconf_add_dev+0xe2/0x170 [10523.067164][ T7704] inet6_addr_add+0x12f/0xa40 [10523.067164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.067164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.067164][ T7704] netlink_rcv_skb+0x130/0x360 [10523.067164][ T7704] netlink_unicast+0x449/0x710 [10523.067164][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.067164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.067164][ T7704] ___sys_sendmsg+0xee/0x170 [10523.067164][ T7704] __sys_sendmsg+0xcd/0x170 [10523.067164][ T7704] do_syscall_64+0xc6/0x1e0 [10523.067164][ T7704] [10523.074349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10523.074349][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10523.074349][ T7704] ipv6_find_idev+0x102/0x170 [10523.074349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10523.074349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.074349][ T7704] netlink_rcv_skb+0x130/0x360 [10523.074349][ T7704] netlink_unicast+0x449/0x710 [10523.074349][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.074349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.074349][ T7704] ___sys_sendmsg+0xee/0x170 [10523.074349][ T7704] __sys_sendmsg+0xcd/0x170 [10523.074349][ T7704] do_syscall_64+0xc6/0x1e0 [10523.074349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.074349][ T7704] [10523.080319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10523.080319][ T7704] neigh_parms_alloc+0x1e5/0x510 [10523.080319][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10523.080319][ T7704] ipv6_find_idev+0x102/0x170 [10523.080319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10523.080319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.080319][ T7704] netlink_rcv_skb+0x130/0x360 [10523.080319][ T7704] netlink_unicast+0x449/0x710 [10523.080319][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.080319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.080319][ T7704] ___sys_sendmsg+0xee/0x170 [10523.080319][ T7704] __sys_sendmsg+0xcd/0x170 [10523.080319][ T7704] do_syscall_64+0xc6/0x1e0 [10523.080319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.080319][ T7704] [10533.327028][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10533.380731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10533.380731][ T7704] netdev_get_by_index+0x5e/0x80 [10533.380731][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.380731][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.380731][ T7704] ip6_route_add+0x1c/0x140 [10533.380731][ T7704] addrconf_prefix_route+0x2a6/0x430 [10533.380731][ T7704] inet6_addr_add+0x4f8/0xa40 [10533.380731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.380731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.380731][ T7704] netlink_rcv_skb+0x130/0x360 [10533.380731][ T7704] netlink_unicast+0x449/0x710 [10533.380731][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.380731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.380731][ T7704] ___sys_sendmsg+0xee/0x170 [10533.380731][ T7704] __sys_sendmsg+0xcd/0x170 [10533.380731][ T7704] do_syscall_64+0xc6/0x1e0 [10533.380731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.380731][ T7704] [10533.389565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10533.389565][ T7704] netdev_get_by_index+0x5e/0x80 [10533.389565][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.389565][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.389565][ T7704] addrconf_f6i_alloc+0x315/0x560 [10533.389565][ T7704] ipv6_add_addr+0x411/0x2000 [10533.389565][ T7704] inet6_addr_add+0x30e/0xa40 [10533.389565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.389565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.389565][ T7704] netlink_rcv_skb+0x130/0x360 [10533.389565][ T7704] netlink_unicast+0x449/0x710 [10533.389565][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.389565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.389565][ T7704] ___sys_sendmsg+0xee/0x170 [10533.389565][ T7704] __sys_sendmsg+0xcd/0x170 [10533.389565][ T7704] do_syscall_64+0xc6/0x1e0 [10533.389565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.389565][ T7704] [10533.397101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10533.397101][ T7704] netdev_get_by_index+0x5e/0x80 [10533.397101][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.397101][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.397101][ T7704] ip6_route_add+0x1c/0x140 [10533.397101][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10533.397101][ T7704] addrconf_add_dev+0xe2/0x170 [10533.397101][ T7704] inet6_addr_add+0x12f/0xa40 [10533.397101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.397101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.397101][ T7704] netlink_rcv_skb+0x130/0x360 [10533.397101][ T7704] netlink_unicast+0x449/0x710 [10533.397101][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.397101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.397101][ T7704] ___sys_sendmsg+0xee/0x170 [10533.397101][ T7704] __sys_sendmsg+0xcd/0x170 [10533.397101][ T7704] do_syscall_64+0xc6/0x1e0 [10533.397101][ T7704] [10533.404135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10533.404135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10533.404135][ T7704] ipv6_find_idev+0x102/0x170 [10533.404135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10533.404135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.404135][ T7704] netlink_rcv_skb+0x130/0x360 [10533.404135][ T7704] netlink_unicast+0x449/0x710 [10533.404135][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.404135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.404135][ T7704] ___sys_sendmsg+0xee/0x170 [10533.404135][ T7704] __sys_sendmsg+0xcd/0x170 [10533.404135][ T7704] do_syscall_64+0xc6/0x1e0 [10533.404135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.404135][ T7704] [10533.409842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10533.409842][ T7704] neigh_parms_alloc+0x1e5/0x510 [10533.409842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10533.409842][ T7704] ipv6_find_idev+0x102/0x170 [10533.409842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10533.409842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.409842][ T7704] netlink_rcv_skb+0x130/0x360 [10533.409842][ T7704] netlink_unicast+0x449/0x710 [10533.409842][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.409842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.409842][ T7704] ___sys_sendmsg+0xee/0x170 [10533.409842][ T7704] __sys_sendmsg+0xcd/0x170 [10533.409842][ T7704] do_syscall_64+0xc6/0x1e0 [10533.409842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.409842][ T7704] [10543.654948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10543.655425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10543.655425][ T7704] netdev_get_by_index+0x5e/0x80 [10543.655425][ T7704] fib6_nh_init+0x3d8/0x15b0 [10543.655425][ T7704] ip6_route_info_create+0xf18/0x17d0 [10543.655425][ T7704] ip6_route_add+0x1c/0x140 [10543.655425][ T7704] addrconf_prefix_route+0x2a6/0x430 [10543.655425][ T7704] inet6_addr_add+0x4f8/0xa40 [10543.655425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10543.655425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10543.655425][ T7704] netlink_rcv_skb+0x130/0x360 [10543.655425][ T7704] netlink_unicast+0x449/0x710 [10543.655425][ T7704] netlink_sendmsg+0x723/0xbe0 [10543.655425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10543.655425][ T7704] ___sys_sendmsg+0xee/0x170 [10543.655425][ T7704] __sys_sendmsg+0xcd/0x170 [10543.655425][ T7704] do_syscall_64+0xc6/0x1e0 [10543.655425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10543.655425][ T7704] [10543.657851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10543.657851][ T7704] netdev_get_by_index+0x5e/0x80 [10543.657851][ T7704] fib6_nh_init+0x3d8/0x15b0 [10543.657851][ T7704] ip6_route_info_create+0xf18/0x17d0 [10543.657851][ T7704] addrconf_f6i_alloc+0x315/0x560 [10543.657851][ T7704] ipv6_add_addr+0x411/0x2000 [10543.657851][ T7704] inet6_addr_add+0x30e/0xa40 [10543.657851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10543.657851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10543.657851][ T7704] netlink_rcv_skb+0x130/0x360 [10543.657851][ T7704] netlink_unicast+0x449/0x710 [10543.657851][ T7704] netlink_sendmsg+0x723/0xbe0 [10543.657851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10543.657851][ T7704] ___sys_sendmsg+0xee/0x170 [10543.657851][ T7704] __sys_sendmsg+0xcd/0x170 [10543.657851][ T7704] do_syscall_64+0xc6/0x1e0 [10543.657851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10543.657851][ T7704] [10543.660112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10543.660112][ T7704] netdev_get_by_index+0x5e/0x80 [10543.660112][ T7704] fib6_nh_init+0x3d8/0x15b0 [10543.660112][ T7704] ip6_route_info_create+0xf18/0x17d0 [10543.660112][ T7704] ip6_route_add+0x1c/0x140 [10543.660112][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10543.660112][ T7704] addrconf_add_dev+0xe2/0x170 [10543.660112][ T7704] inet6_addr_add+0x12f/0xa40 [10543.660112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10543.660112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10543.660112][ T7704] netlink_rcv_skb+0x130/0x360 [10543.660112][ T7704] netlink_unicast+0x449/0x710 [10543.660112][ T7704] netlink_sendmsg+0x723/0xbe0 [10543.660112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10543.660112][ T7704] ___sys_sendmsg+0xee/0x170 [10543.660112][ T7704] __sys_sendmsg+0xcd/0x170 [10543.660112][ T7704] do_syscall_64+0xc6/0x1e0 [10543.660112][ T7704] [10543.662452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10543.662452][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10543.662452][ T7704] ipv6_find_idev+0x102/0x170 [10543.662452][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10543.662452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10543.662452][ T7704] netlink_rcv_skb+0x130/0x360 [10543.662452][ T7704] netlink_unicast+0x449/0x710 [10543.662452][ T7704] netlink_sendmsg+0x723/0xbe0 [10543.662452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10543.662452][ T7704] ___sys_sendmsg+0xee/0x170 [10543.662452][ T7704] __sys_sendmsg+0xcd/0x170 [10543.662452][ T7704] do_syscall_64+0xc6/0x1e0 [10543.662452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10543.662452][ T7704] [10543.664242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10543.664242][ T7704] neigh_parms_alloc+0x1e5/0x510 [10543.664242][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10543.664242][ T7704] ipv6_find_idev+0x102/0x170 [10543.664242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10543.664242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10543.664242][ T7704] netlink_rcv_skb+0x130/0x360 [10543.664242][ T7704] netlink_unicast+0x449/0x710 [10543.664242][ T7704] netlink_sendmsg+0x723/0xbe0 [10543.664242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10543.664242][ T7704] ___sys_sendmsg+0xee/0x170 [10543.664242][ T7704] __sys_sendmsg+0xcd/0x170 [10543.664242][ T7704] do_syscall_64+0xc6/0x1e0 [10543.664242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10543.664242][ T7704] [10553.903023][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10553.903497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10553.903497][ T7704] netdev_get_by_index+0x5e/0x80 [10553.903497][ T7704] fib6_nh_init+0x3d8/0x15b0 [10553.903497][ T7704] ip6_route_info_create+0xf18/0x17d0 [10553.903497][ T7704] ip6_route_add+0x1c/0x140 [10553.903497][ T7704] addrconf_prefix_route+0x2a6/0x430 [10553.903497][ T7704] inet6_addr_add+0x4f8/0xa40 [10553.903497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10553.903497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10553.903497][ T7704] netlink_rcv_skb+0x130/0x360 [10553.903497][ T7704] netlink_unicast+0x449/0x710 [10553.903497][ T7704] netlink_sendmsg+0x723/0xbe0 [10553.903497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10553.903497][ T7704] ___sys_sendmsg+0xee/0x170 [10553.903497][ T7704] __sys_sendmsg+0xcd/0x170 [10553.903497][ T7704] do_syscall_64+0xc6/0x1e0 [10553.903497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10553.903497][ T7704] [10553.906432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10553.906432][ T7704] netdev_get_by_index+0x5e/0x80 [10553.906432][ T7704] fib6_nh_init+0x3d8/0x15b0 [10553.906432][ T7704] ip6_route_info_create+0xf18/0x17d0 [10553.906432][ T7704] addrconf_f6i_alloc+0x315/0x560 [10553.906432][ T7704] ipv6_add_addr+0x411/0x2000 [10553.906432][ T7704] inet6_addr_add+0x30e/0xa40 [10553.906432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10553.906432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10553.906432][ T7704] netlink_rcv_skb+0x130/0x360 [10553.906432][ T7704] netlink_unicast+0x449/0x710 [10553.906432][ T7704] netlink_sendmsg+0x723/0xbe0 [10553.906432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10553.906432][ T7704] ___sys_sendmsg+0xee/0x170 [10553.906432][ T7704] __sys_sendmsg+0xcd/0x170 [10553.906432][ T7704] do_syscall_64+0xc6/0x1e0 [10553.906432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10553.906432][ T7704] [10553.908701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10553.908701][ T7704] netdev_get_by_index+0x5e/0x80 [10553.908701][ T7704] fib6_nh_init+0x3d8/0x15b0 [10553.908701][ T7704] ip6_route_info_create+0xf18/0x17d0 [10553.908701][ T7704] ip6_route_add+0x1c/0x140 [10553.908701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10553.908701][ T7704] addrconf_add_dev+0xe2/0x170 [10553.908701][ T7704] inet6_addr_add+0x12f/0xa40 [10553.908701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10553.908701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10553.908701][ T7704] netlink_rcv_skb+0x130/0x360 [10553.908701][ T7704] netlink_unicast+0x449/0x710 [10553.908701][ T7704] netlink_sendmsg+0x723/0xbe0 [10553.908701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10553.908701][ T7704] ___sys_sendmsg+0xee/0x170 [10553.908701][ T7704] __sys_sendmsg+0xcd/0x170 [10553.908701][ T7704] do_syscall_64+0xc6/0x1e0 [10553.908701][ T7704] [10553.911052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10553.911052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10553.911052][ T7704] ipv6_find_idev+0x102/0x170 [10553.911052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10553.911052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10553.911052][ T7704] netlink_rcv_skb+0x130/0x360 [10553.911052][ T7704] netlink_unicast+0x449/0x710 [10553.911052][ T7704] netlink_sendmsg+0x723/0xbe0 [10553.911052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10553.911052][ T7704] ___sys_sendmsg+0xee/0x170 [10553.911052][ T7704] __sys_sendmsg+0xcd/0x170 [10553.911052][ T7704] do_syscall_64+0xc6/0x1e0 [10553.911052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10553.911052][ T7704] [10553.912815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10553.912815][ T7704] neigh_parms_alloc+0x1e5/0x510 [10553.912815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10553.912815][ T7704] ipv6_find_idev+0x102/0x170 [10553.912815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10553.912815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10553.912815][ T7704] netlink_rcv_skb+0x130/0x360 [10553.912815][ T7704] netlink_unicast+0x449/0x710 [10553.912815][ T7704] netlink_sendmsg+0x723/0xbe0 [10553.912815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10553.912815][ T7704] ___sys_sendmsg+0xee/0x170 [10553.912815][ T7704] __sys_sendmsg+0xcd/0x170 [10553.912815][ T7704] do_syscall_64+0xc6/0x1e0 [10553.912815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10553.912815][ T7704] [10563.951022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10563.951808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10563.951808][ T7704] netdev_get_by_index+0x5e/0x80 [10563.951808][ T7704] fib6_nh_init+0x3d8/0x15b0 [10563.951808][ T7704] ip6_route_info_create+0xf18/0x17d0 [10563.951808][ T7704] ip6_route_add+0x1c/0x140 [10563.951808][ T7704] addrconf_prefix_route+0x2a6/0x430 [10563.951808][ T7704] inet6_addr_add+0x4f8/0xa40 [10563.951808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10563.951808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10563.951808][ T7704] netlink_rcv_skb+0x130/0x360 [10563.951808][ T7704] netlink_unicast+0x449/0x710 [10563.951808][ T7704] netlink_sendmsg+0x723/0xbe0 [10563.951808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10563.951808][ T7704] ___sys_sendmsg+0xee/0x170 [10563.951808][ T7704] __sys_sendmsg+0xcd/0x170 [10563.951808][ T7704] do_syscall_64+0xc6/0x1e0 [10563.951808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10563.951808][ T7704] [10563.972949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10563.972949][ T7704] netdev_get_by_index+0x5e/0x80 [10563.972949][ T7704] fib6_nh_init+0x3d8/0x15b0 [10563.972949][ T7704] ip6_route_info_create+0xf18/0x17d0 [10563.972949][ T7704] addrconf_f6i_alloc+0x315/0x560 [10563.972949][ T7704] ipv6_add_addr+0x411/0x2000 [10563.972949][ T7704] inet6_addr_add+0x30e/0xa40 [10563.972949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10563.972949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10563.972949][ T7704] netlink_rcv_skb+0x130/0x360 [10563.972949][ T7704] netlink_unicast+0x449/0x710 [10563.972949][ T7704] netlink_sendmsg+0x723/0xbe0 [10563.972949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10563.972949][ T7704] ___sys_sendmsg+0xee/0x170 [10563.972949][ T7704] __sys_sendmsg+0xcd/0x170 [10563.972949][ T7704] do_syscall_64+0xc6/0x1e0 [10563.972949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10563.972949][ T7704] [10563.979198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10563.979198][ T7704] netdev_get_by_index+0x5e/0x80 [10563.979198][ T7704] fib6_nh_init+0x3d8/0x15b0 [10563.979198][ T7704] ip6_route_info_create+0xf18/0x17d0 [10563.979198][ T7704] ip6_route_add+0x1c/0x140 [10563.979198][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10563.979198][ T7704] addrconf_add_dev+0xe2/0x170 [10563.979198][ T7704] inet6_addr_add+0x12f/0xa40 [10563.979198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10563.979198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10563.979198][ T7704] netlink_rcv_skb+0x130/0x360 [10563.979198][ T7704] netlink_unicast+0x449/0x710 [10563.979198][ T7704] netlink_sendmsg+0x723/0xbe0 [10563.979198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10563.979198][ T7704] ___sys_sendmsg+0xee/0x170 [10563.979198][ T7704] __sys_sendmsg+0xcd/0x170 [10563.979198][ T7704] do_syscall_64+0xc6/0x1e0 [10563.979198][ T7704] [10563.985851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10563.985851][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10563.985851][ T7704] ipv6_find_idev+0x102/0x170 [10563.985851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10563.985851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10563.985851][ T7704] netlink_rcv_skb+0x130/0x360 [10563.985851][ T7704] netlink_unicast+0x449/0x710 [10563.985851][ T7704] netlink_sendmsg+0x723/0xbe0 [10563.985851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10563.985851][ T7704] ___sys_sendmsg+0xee/0x170 [10563.985851][ T7704] __sys_sendmsg+0xcd/0x170 [10563.985851][ T7704] do_syscall_64+0xc6/0x1e0 [10563.985851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10563.985851][ T7704] [10563.991956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10563.991956][ T7704] neigh_parms_alloc+0x1e5/0x510 [10563.991956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10563.991956][ T7704] ipv6_find_idev+0x102/0x170 [10563.991956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10563.991956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10563.991956][ T7704] netlink_rcv_skb+0x130/0x360 [10563.991956][ T7704] netlink_unicast+0x449/0x710 [10563.991956][ T7704] netlink_sendmsg+0x723/0xbe0 [10563.991956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10563.991956][ T7704] ___sys_sendmsg+0xee/0x170 [10563.991956][ T7704] __sys_sendmsg+0xcd/0x170 [10563.991956][ T7704] do_syscall_64+0xc6/0x1e0 [10563.991956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10563.991956][ T7704] [10574.007062][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10574.030892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10574.030892][ T7704] netdev_get_by_index+0x5e/0x80 [10574.030892][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.030892][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.030892][ T7704] ip6_route_add+0x1c/0x140 [10574.030892][ T7704] addrconf_prefix_route+0x2a6/0x430 [10574.030892][ T7704] inet6_addr_add+0x4f8/0xa40 [10574.030892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.030892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.030892][ T7704] netlink_rcv_skb+0x130/0x360 [10574.030892][ T7704] netlink_unicast+0x449/0x710 [10574.030892][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.030892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.030892][ T7704] ___sys_sendmsg+0xee/0x170 [10574.030892][ T7704] __sys_sendmsg+0xcd/0x170 [10574.030892][ T7704] do_syscall_64+0xc6/0x1e0 [10574.030892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.030892][ T7704] [10574.037977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10574.037977][ T7704] netdev_get_by_index+0x5e/0x80 [10574.037977][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.037977][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.037977][ T7704] addrconf_f6i_alloc+0x315/0x560 [10574.037977][ T7704] ipv6_add_addr+0x411/0x2000 [10574.037977][ T7704] inet6_addr_add+0x30e/0xa40 [10574.037977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.037977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.037977][ T7704] netlink_rcv_skb+0x130/0x360 [10574.037977][ T7704] netlink_unicast+0x449/0x710 [10574.037977][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.037977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.037977][ T7704] ___sys_sendmsg+0xee/0x170 [10574.037977][ T7704] __sys_sendmsg+0xcd/0x170 [10574.037977][ T7704] do_syscall_64+0xc6/0x1e0 [10574.037977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.037977][ T7704] [10574.043674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10574.043674][ T7704] netdev_get_by_index+0x5e/0x80 [10574.043674][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.043674][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.043674][ T7704] ip6_route_add+0x1c/0x140 [10574.043674][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10574.043674][ T7704] addrconf_add_dev+0xe2/0x170 [10574.043674][ T7704] inet6_addr_add+0x12f/0xa40 [10574.043674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.043674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.043674][ T7704] netlink_rcv_skb+0x130/0x360 [10574.043674][ T7704] netlink_unicast+0x449/0x710 [10574.043674][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.043674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.043674][ T7704] ___sys_sendmsg+0xee/0x170 [10574.043674][ T7704] __sys_sendmsg+0xcd/0x170 [10574.043674][ T7704] do_syscall_64+0xc6/0x1e0 [10574.043674][ T7704] [10574.050962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10574.050962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10574.050962][ T7704] ipv6_find_idev+0x102/0x170 [10574.050962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10574.050962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.050962][ T7704] netlink_rcv_skb+0x130/0x360 [10574.050962][ T7704] netlink_unicast+0x449/0x710 [10574.050962][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.050962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.050962][ T7704] ___sys_sendmsg+0xee/0x170 [10574.050962][ T7704] __sys_sendmsg+0xcd/0x170 [10574.050962][ T7704] do_syscall_64+0xc6/0x1e0 [10574.050962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.050962][ T7704] [10574.056560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10574.056560][ T7704] neigh_parms_alloc+0x1e5/0x510 [10574.056560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10574.056560][ T7704] ipv6_find_idev+0x102/0x170 [10574.056560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10574.056560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.056560][ T7704] netlink_rcv_skb+0x130/0x360 [10574.056560][ T7704] netlink_unicast+0x449/0x710 [10574.056560][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.056560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.056560][ T7704] ___sys_sendmsg+0xee/0x170 [10574.056560][ T7704] __sys_sendmsg+0xcd/0x170 [10574.056560][ T7704] do_syscall_64+0xc6/0x1e0 [10574.056560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.056560][ T7704] [10584.087018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10584.087776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10584.087776][ T7704] netdev_get_by_index+0x5e/0x80 [10584.087776][ T7704] fib6_nh_init+0x3d8/0x15b0 [10584.087776][ T7704] ip6_route_info_create+0xf18/0x17d0 [10584.087776][ T7704] ip6_route_add+0x1c/0x140 [10584.087776][ T7704] addrconf_prefix_route+0x2a6/0x430 [10584.087776][ T7704] inet6_addr_add+0x4f8/0xa40 [10584.087776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10584.087776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10584.087776][ T7704] netlink_rcv_skb+0x130/0x360 [10584.087776][ T7704] netlink_unicast+0x449/0x710 [10584.087776][ T7704] netlink_sendmsg+0x723/0xbe0 [10584.087776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10584.087776][ T7704] ___sys_sendmsg+0xee/0x170 [10584.087776][ T7704] __sys_sendmsg+0xcd/0x170 [10584.087776][ T7704] do_syscall_64+0xc6/0x1e0 [10584.087776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10584.087776][ T7704] [10584.093154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10584.093154][ T7704] netdev_get_by_index+0x5e/0x80 [10584.093154][ T7704] fib6_nh_init+0x3d8/0x15b0 [10584.093154][ T7704] ip6_route_info_create+0xf18/0x17d0 [10584.093154][ T7704] addrconf_f6i_alloc+0x315/0x560 [10584.093154][ T7704] ipv6_add_addr+0x411/0x2000 [10584.093154][ T7704] inet6_addr_add+0x30e/0xa40 [10584.093154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10584.093154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10584.093154][ T7704] netlink_rcv_skb+0x130/0x360 [10584.093154][ T7704] netlink_unicast+0x449/0x710 [10584.093154][ T7704] netlink_sendmsg+0x723/0xbe0 [10584.093154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10584.093154][ T7704] ___sys_sendmsg+0xee/0x170 [10584.093154][ T7704] __sys_sendmsg+0xcd/0x170 [10584.093154][ T7704] do_syscall_64+0xc6/0x1e0 [10584.093154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10584.093154][ T7704] [10584.097766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10584.097766][ T7704] netdev_get_by_index+0x5e/0x80 [10584.097766][ T7704] fib6_nh_init+0x3d8/0x15b0 [10584.097766][ T7704] ip6_route_info_create+0xf18/0x17d0 [10584.097766][ T7704] ip6_route_add+0x1c/0x140 [10584.097766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10584.097766][ T7704] addrconf_add_dev+0xe2/0x170 [10584.097766][ T7704] inet6_addr_add+0x12f/0xa40 [10584.097766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10584.097766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10584.097766][ T7704] netlink_rcv_skb+0x130/0x360 [10584.097766][ T7704] netlink_unicast+0x449/0x710 [10584.097766][ T7704] netlink_sendmsg+0x723/0xbe0 [10584.097766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10584.097766][ T7704] ___sys_sendmsg+0xee/0x170 [10584.097766][ T7704] __sys_sendmsg+0xcd/0x170 [10584.097766][ T7704] do_syscall_64+0xc6/0x1e0 [10584.097766][ T7704] [10584.102777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10584.102777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10584.102777][ T7704] ipv6_find_idev+0x102/0x170 [10584.102777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10584.102777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10584.102777][ T7704] netlink_rcv_skb+0x130/0x360 [10584.102777][ T7704] netlink_unicast+0x449/0x710 [10584.102777][ T7704] netlink_sendmsg+0x723/0xbe0 [10584.102777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10584.102777][ T7704] ___sys_sendmsg+0xee/0x170 [10584.102777][ T7704] __sys_sendmsg+0xcd/0x170 [10584.102777][ T7704] do_syscall_64+0xc6/0x1e0 [10584.102777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10584.102777][ T7704] [10584.106857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10584.106857][ T7704] neigh_parms_alloc+0x1e5/0x510 [10584.106857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10584.106857][ T7704] ipv6_find_idev+0x102/0x170 [10584.106857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10584.106857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10584.106857][ T7704] netlink_rcv_skb+0x130/0x360 [10584.106857][ T7704] netlink_unicast+0x449/0x710 [10584.106857][ T7704] netlink_sendmsg+0x723/0xbe0 [10584.106857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10584.106857][ T7704] ___sys_sendmsg+0xee/0x170 [10584.106857][ T7704] __sys_sendmsg+0xcd/0x170 [10584.106857][ T7704] do_syscall_64+0xc6/0x1e0 [10584.106857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10584.106857][ T7704] [10594.198960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10594.200185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10594.200185][ T7704] netdev_get_by_index+0x5e/0x80 [10594.200185][ T7704] fib6_nh_init+0x3d8/0x15b0 [10594.200185][ T7704] ip6_route_info_create+0xf18/0x17d0 [10594.200185][ T7704] ip6_route_add+0x1c/0x140 [10594.200185][ T7704] addrconf_prefix_route+0x2a6/0x430 [10594.200185][ T7704] inet6_addr_add+0x4f8/0xa40 [10594.200185][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10594.200185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10594.200185][ T7704] netlink_rcv_skb+0x130/0x360 [10594.200185][ T7704] netlink_unicast+0x449/0x710 [10594.200185][ T7704] netlink_sendmsg+0x723/0xbe0 [10594.200185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10594.200185][ T7704] ___sys_sendmsg+0xee/0x170 [10594.200185][ T7704] __sys_sendmsg+0xcd/0x170 [10594.200185][ T7704] do_syscall_64+0xc6/0x1e0 [10594.200185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10594.200185][ T7704] [10594.202445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10594.202445][ T7704] netdev_get_by_index+0x5e/0x80 [10594.202445][ T7704] fib6_nh_init+0x3d8/0x15b0 [10594.202445][ T7704] ip6_route_info_create+0xf18/0x17d0 [10594.202445][ T7704] addrconf_f6i_alloc+0x315/0x560 [10594.202445][ T7704] ipv6_add_addr+0x411/0x2000 [10594.202445][ T7704] inet6_addr_add+0x30e/0xa40 [10594.202445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10594.202445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10594.202445][ T7704] netlink_rcv_skb+0x130/0x360 [10594.202445][ T7704] netlink_unicast+0x449/0x710 [10594.202445][ T7704] netlink_sendmsg+0x723/0xbe0 [10594.202445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10594.202445][ T7704] ___sys_sendmsg+0xee/0x170 [10594.202445][ T7704] __sys_sendmsg+0xcd/0x170 [10594.202445][ T7704] do_syscall_64+0xc6/0x1e0 [10594.202445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10594.202445][ T7704] [10594.204691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10594.204691][ T7704] netdev_get_by_index+0x5e/0x80 [10594.204691][ T7704] fib6_nh_init+0x3d8/0x15b0 [10594.204691][ T7704] ip6_route_info_create+0xf18/0x17d0 [10594.204691][ T7704] ip6_route_add+0x1c/0x140 [10594.204691][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10594.204691][ T7704] addrconf_add_dev+0xe2/0x170 [10594.204691][ T7704] inet6_addr_add+0x12f/0xa40 [10594.204691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10594.204691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10594.204691][ T7704] netlink_rcv_skb+0x130/0x360 [10594.204691][ T7704] netlink_unicast+0x449/0x710 [10594.204691][ T7704] netlink_sendmsg+0x723/0xbe0 [10594.204691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10594.204691][ T7704] ___sys_sendmsg+0xee/0x170 [10594.204691][ T7704] __sys_sendmsg+0xcd/0x170 [10594.204691][ T7704] do_syscall_64+0xc6/0x1e0 [10594.204691][ T7704] [10594.206900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10594.206900][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10594.206900][ T7704] ipv6_find_idev+0x102/0x170 [10594.206900][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10594.206900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10594.206900][ T7704] netlink_rcv_skb+0x130/0x360 [10594.206900][ T7704] netlink_unicast+0x449/0x710 [10594.206900][ T7704] netlink_sendmsg+0x723/0xbe0 [10594.206900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10594.206900][ T7704] ___sys_sendmsg+0xee/0x170 [10594.206900][ T7704] __sys_sendmsg+0xcd/0x170 [10594.206900][ T7704] do_syscall_64+0xc6/0x1e0 [10594.206900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10594.206900][ T7704] [10594.208615][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10594.208615][ T7704] neigh_parms_alloc+0x1e5/0x510 [10594.208615][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10594.208615][ T7704] ipv6_find_idev+0x102/0x170 [10594.208615][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10594.208615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10594.208615][ T7704] netlink_rcv_skb+0x130/0x360 [10594.208615][ T7704] netlink_unicast+0x449/0x710 [10594.208615][ T7704] netlink_sendmsg+0x723/0xbe0 [10594.208615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10594.208615][ T7704] ___sys_sendmsg+0xee/0x170 [10594.208615][ T7704] __sys_sendmsg+0xcd/0x170 [10594.208615][ T7704] do_syscall_64+0xc6/0x1e0 [10594.208615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10594.208615][ T7704] [10604.446979][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10604.447443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10604.447443][ T7704] netdev_get_by_index+0x5e/0x80 [10604.447443][ T7704] fib6_nh_init+0x3d8/0x15b0 [10604.447443][ T7704] ip6_route_info_create+0xf18/0x17d0 [10604.447443][ T7704] ip6_route_add+0x1c/0x140 [10604.447443][ T7704] addrconf_prefix_route+0x2a6/0x430 [10604.447443][ T7704] inet6_addr_add+0x4f8/0xa40 [10604.447443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10604.447443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10604.447443][ T7704] netlink_rcv_skb+0x130/0x360 [10604.447443][ T7704] netlink_unicast+0x449/0x710 [10604.447443][ T7704] netlink_sendmsg+0x723/0xbe0 [10604.447443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10604.447443][ T7704] ___sys_sendmsg+0xee/0x170 [10604.447443][ T7704] __sys_sendmsg+0xcd/0x170 [10604.447443][ T7704] do_syscall_64+0xc6/0x1e0 [10604.447443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10604.447443][ T7704] [10604.449738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10604.449738][ T7704] netdev_get_by_index+0x5e/0x80 [10604.449738][ T7704] fib6_nh_init+0x3d8/0x15b0 [10604.449738][ T7704] ip6_route_info_create+0xf18/0x17d0 [10604.449738][ T7704] addrconf_f6i_alloc+0x315/0x560 [10604.449738][ T7704] ipv6_add_addr+0x411/0x2000 [10604.449738][ T7704] inet6_addr_add+0x30e/0xa40 [10604.449738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10604.449738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10604.449738][ T7704] netlink_rcv_skb+0x130/0x360 [10604.449738][ T7704] netlink_unicast+0x449/0x710 [10604.449738][ T7704] netlink_sendmsg+0x723/0xbe0 [10604.449738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10604.449738][ T7704] ___sys_sendmsg+0xee/0x170 [10604.449738][ T7704] __sys_sendmsg+0xcd/0x170 [10604.449738][ T7704] do_syscall_64+0xc6/0x1e0 [10604.449738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10604.449738][ T7704] [10604.452001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10604.452001][ T7704] netdev_get_by_index+0x5e/0x80 [10604.452001][ T7704] fib6_nh_init+0x3d8/0x15b0 [10604.452001][ T7704] ip6_route_info_create+0xf18/0x17d0 [10604.452001][ T7704] ip6_route_add+0x1c/0x140 [10604.452001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10604.452001][ T7704] addrconf_add_dev+0xe2/0x170 [10604.452001][ T7704] inet6_addr_add+0x12f/0xa40 [10604.452001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10604.452001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10604.452001][ T7704] netlink_rcv_skb+0x130/0x360 [10604.452001][ T7704] netlink_unicast+0x449/0x710 [10604.452001][ T7704] netlink_sendmsg+0x723/0xbe0 [10604.452001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10604.452001][ T7704] ___sys_sendmsg+0xee/0x170 [10604.452001][ T7704] __sys_sendmsg+0xcd/0x170 [10604.452001][ T7704] do_syscall_64+0xc6/0x1e0 [10604.452001][ T7704] [10604.454242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10604.454242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10604.454242][ T7704] ipv6_find_idev+0x102/0x170 [10604.454242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10604.454242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10604.454242][ T7704] netlink_rcv_skb+0x130/0x360 [10604.454242][ T7704] netlink_unicast+0x449/0x710 [10604.454242][ T7704] netlink_sendmsg+0x723/0xbe0 [10604.454242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10604.454242][ T7704] ___sys_sendmsg+0xee/0x170 [10604.454242][ T7704] __sys_sendmsg+0xcd/0x170 [10604.454242][ T7704] do_syscall_64+0xc6/0x1e0 [10604.454242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10604.454242][ T7704] [10604.455975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10604.455975][ T7704] neigh_parms_alloc+0x1e5/0x510 [10604.455975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10604.455975][ T7704] ipv6_find_idev+0x102/0x170 [10604.455975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10604.455975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10604.455975][ T7704] netlink_rcv_skb+0x130/0x360 [10604.455975][ T7704] netlink_unicast+0x449/0x710 [10604.455975][ T7704] netlink_sendmsg+0x723/0xbe0 [10604.455975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10604.455975][ T7704] ___sys_sendmsg+0xee/0x170 [10604.455975][ T7704] __sys_sendmsg+0xcd/0x170 [10604.455975][ T7704] do_syscall_64+0xc6/0x1e0 [10604.455975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10604.455975][ T7704] [10614.695002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10614.695532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10614.695532][ T7704] netdev_get_by_index+0x5e/0x80 [10614.695532][ T7704] fib6_nh_init+0x3d8/0x15b0 [10614.695532][ T7704] ip6_route_info_create+0xf18/0x17d0 [10614.695532][ T7704] ip6_route_add+0x1c/0x140 [10614.695532][ T7704] addrconf_prefix_route+0x2a6/0x430 [10614.695532][ T7704] inet6_addr_add+0x4f8/0xa40 [10614.695532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10614.695532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10614.695532][ T7704] netlink_rcv_skb+0x130/0x360 [10614.695532][ T7704] netlink_unicast+0x449/0x710 [10614.695532][ T7704] netlink_sendmsg+0x723/0xbe0 [10614.695532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10614.695532][ T7704] ___sys_sendmsg+0xee/0x170 [10614.695532][ T7704] __sys_sendmsg+0xcd/0x170 [10614.695532][ T7704] do_syscall_64+0xc6/0x1e0 [10614.695532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10614.695532][ T7704] [10614.697829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10614.697829][ T7704] netdev_get_by_index+0x5e/0x80 [10614.697829][ T7704] fib6_nh_init+0x3d8/0x15b0 [10614.697829][ T7704] ip6_route_info_create+0xf18/0x17d0 [10614.697829][ T7704] addrconf_f6i_alloc+0x315/0x560 [10614.697829][ T7704] ipv6_add_addr+0x411/0x2000 [10614.697829][ T7704] inet6_addr_add+0x30e/0xa40 [10614.697829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10614.697829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10614.697829][ T7704] netlink_rcv_skb+0x130/0x360 [10614.697829][ T7704] netlink_unicast+0x449/0x710 [10614.697829][ T7704] netlink_sendmsg+0x723/0xbe0 [10614.697829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10614.697829][ T7704] ___sys_sendmsg+0xee/0x170 [10614.697829][ T7704] __sys_sendmsg+0xcd/0x170 [10614.697829][ T7704] do_syscall_64+0xc6/0x1e0 [10614.697829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10614.697829][ T7704] [10614.700101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10614.700101][ T7704] netdev_get_by_index+0x5e/0x80 [10614.700101][ T7704] fib6_nh_init+0x3d8/0x15b0 [10614.700101][ T7704] ip6_route_info_create+0xf18/0x17d0 [10614.700101][ T7704] ip6_route_add+0x1c/0x140 [10614.700101][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10614.700101][ T7704] addrconf_add_dev+0xe2/0x170 [10614.700101][ T7704] inet6_addr_add+0x12f/0xa40 [10614.700101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10614.700101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10614.700101][ T7704] netlink_rcv_skb+0x130/0x360 [10614.700101][ T7704] netlink_unicast+0x449/0x710 [10614.700101][ T7704] netlink_sendmsg+0x723/0xbe0 [10614.700101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10614.700101][ T7704] ___sys_sendmsg+0xee/0x170 [10614.700101][ T7704] __sys_sendmsg+0xcd/0x170 [10614.700101][ T7704] do_syscall_64+0xc6/0x1e0 [10614.700101][ T7704] [10614.702308][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10614.702308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10614.702308][ T7704] ipv6_find_idev+0x102/0x170 [10614.702308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10614.702308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10614.702308][ T7704] netlink_rcv_skb+0x130/0x360 [10614.702308][ T7704] netlink_unicast+0x449/0x710 [10614.702308][ T7704] netlink_sendmsg+0x723/0xbe0 [10614.702308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10614.702308][ T7704] ___sys_sendmsg+0xee/0x170 [10614.702308][ T7704] __sys_sendmsg+0xcd/0x170 [10614.702308][ T7704] do_syscall_64+0xc6/0x1e0 [10614.702308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10614.702308][ T7704] [10614.704036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10614.704036][ T7704] neigh_parms_alloc+0x1e5/0x510 [10614.704036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10614.704036][ T7704] ipv6_find_idev+0x102/0x170 [10614.704036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10614.704036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10614.704036][ T7704] netlink_rcv_skb+0x130/0x360 [10614.704036][ T7704] netlink_unicast+0x449/0x710 [10614.704036][ T7704] netlink_sendmsg+0x723/0xbe0 [10614.704036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10614.704036][ T7704] ___sys_sendmsg+0xee/0x170 [10614.704036][ T7704] __sys_sendmsg+0xcd/0x170 [10614.704036][ T7704] do_syscall_64+0xc6/0x1e0 [10614.704036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10614.704036][ T7704] [10624.862985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10624.863545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10624.863545][ T7704] netdev_get_by_index+0x5e/0x80 [10624.863545][ T7704] fib6_nh_init+0x3d8/0x15b0 [10624.863545][ T7704] ip6_route_info_create+0xf18/0x17d0 [10624.863545][ T7704] ip6_route_add+0x1c/0x140 [10624.863545][ T7704] addrconf_prefix_route+0x2a6/0x430 [10624.863545][ T7704] inet6_addr_add+0x4f8/0xa40 [10624.863545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10624.863545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10624.863545][ T7704] netlink_rcv_skb+0x130/0x360 [10624.863545][ T7704] netlink_unicast+0x449/0x710 [10624.863545][ T7704] netlink_sendmsg+0x723/0xbe0 [10624.863545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10624.863545][ T7704] ___sys_sendmsg+0xee/0x170 [10624.863545][ T7704] __sys_sendmsg+0xcd/0x170 [10624.863545][ T7704] do_syscall_64+0xc6/0x1e0 [10624.863545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10624.863545][ T7704] [10624.865870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10624.865870][ T7704] netdev_get_by_index+0x5e/0x80 [10624.865870][ T7704] fib6_nh_init+0x3d8/0x15b0 [10624.865870][ T7704] ip6_route_info_create+0xf18/0x17d0 [10624.865870][ T7704] addrconf_f6i_alloc+0x315/0x560 [10624.865870][ T7704] ipv6_add_addr+0x411/0x2000 [10624.865870][ T7704] inet6_addr_add+0x30e/0xa40 [10624.865870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10624.865870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10624.865870][ T7704] netlink_rcv_skb+0x130/0x360 [10624.865870][ T7704] netlink_unicast+0x449/0x710 [10624.865870][ T7704] netlink_sendmsg+0x723/0xbe0 [10624.865870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10624.865870][ T7704] ___sys_sendmsg+0xee/0x170 [10624.865870][ T7704] __sys_sendmsg+0xcd/0x170 [10624.865870][ T7704] do_syscall_64+0xc6/0x1e0 [10624.865870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10624.865870][ T7704] [10624.868163][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10624.868163][ T7704] netdev_get_by_index+0x5e/0x80 [10624.868163][ T7704] fib6_nh_init+0x3d8/0x15b0 [10624.868163][ T7704] ip6_route_info_create+0xf18/0x17d0 [10624.868163][ T7704] ip6_route_add+0x1c/0x140 [10624.868163][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10624.868163][ T7704] addrconf_add_dev+0xe2/0x170 [10624.868163][ T7704] inet6_addr_add+0x12f/0xa40 [10624.868163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10624.868163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10624.868163][ T7704] netlink_rcv_skb+0x130/0x360 [10624.868163][ T7704] netlink_unicast+0x449/0x710 [10624.868163][ T7704] netlink_sendmsg+0x723/0xbe0 [10624.868163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10624.868163][ T7704] ___sys_sendmsg+0xee/0x170 [10624.868163][ T7704] __sys_sendmsg+0xcd/0x170 [10624.868163][ T7704] do_syscall_64+0xc6/0x1e0 [10624.868163][ T7704] [10624.870403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10624.870403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10624.870403][ T7704] ipv6_find_idev+0x102/0x170 [10624.870403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10624.870403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10624.870403][ T7704] netlink_rcv_skb+0x130/0x360 [10624.870403][ T7704] netlink_unicast+0x449/0x710 [10624.870403][ T7704] netlink_sendmsg+0x723/0xbe0 [10624.870403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10624.870403][ T7704] ___sys_sendmsg+0xee/0x170 [10624.870403][ T7704] __sys_sendmsg+0xcd/0x170 [10624.870403][ T7704] do_syscall_64+0xc6/0x1e0 [10624.870403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10624.870403][ T7704] [10624.872146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10624.872146][ T7704] neigh_parms_alloc+0x1e5/0x510 [10624.872146][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10624.872146][ T7704] ipv6_find_idev+0x102/0x170 [10624.872146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10624.872146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10624.872146][ T7704] netlink_rcv_skb+0x130/0x360 [10624.872146][ T7704] netlink_unicast+0x449/0x710 [10624.872146][ T7704] netlink_sendmsg+0x723/0xbe0 [10624.872146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10624.872146][ T7704] ___sys_sendmsg+0xee/0x170 [10624.872146][ T7704] __sys_sendmsg+0xcd/0x170 [10624.872146][ T7704] do_syscall_64+0xc6/0x1e0 [10624.872146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10624.872146][ T7704] [10635.126972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10635.127678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10635.127678][ T7704] netdev_get_by_index+0x5e/0x80 [10635.127678][ T7704] fib6_nh_init+0x3d8/0x15b0 [10635.127678][ T7704] ip6_route_info_create+0xf18/0x17d0 [10635.127678][ T7704] ip6_route_add+0x1c/0x140 [10635.127678][ T7704] addrconf_prefix_route+0x2a6/0x430 [10635.127678][ T7704] inet6_addr_add+0x4f8/0xa40 [10635.127678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10635.127678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10635.127678][ T7704] netlink_rcv_skb+0x130/0x360 [10635.127678][ T7704] netlink_unicast+0x449/0x710 [10635.127678][ T7704] netlink_sendmsg+0x723/0xbe0 [10635.127678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10635.127678][ T7704] ___sys_sendmsg+0xee/0x170 [10635.127678][ T7704] __sys_sendmsg+0xcd/0x170 [10635.127678][ T7704] do_syscall_64+0xc6/0x1e0 [10635.127678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10635.127678][ T7704] [10635.131112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10635.131112][ T7704] netdev_get_by_index+0x5e/0x80 [10635.131112][ T7704] fib6_nh_init+0x3d8/0x15b0 [10635.131112][ T7704] ip6_route_info_create+0xf18/0x17d0 [10635.131112][ T7704] addrconf_f6i_alloc+0x315/0x560 [10635.131112][ T7704] ipv6_add_addr+0x411/0x2000 [10635.131112][ T7704] inet6_addr_add+0x30e/0xa40 [10635.131112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10635.131112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10635.131112][ T7704] netlink_rcv_skb+0x130/0x360 [10635.131112][ T7704] netlink_unicast+0x449/0x710 [10635.131112][ T7704] netlink_sendmsg+0x723/0xbe0 [10635.131112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10635.131112][ T7704] ___sys_sendmsg+0xee/0x170 [10635.131112][ T7704] __sys_sendmsg+0xcd/0x170 [10635.131112][ T7704] do_syscall_64+0xc6/0x1e0 [10635.131112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10635.131112][ T7704] [10635.134537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10635.134537][ T7704] netdev_get_by_index+0x5e/0x80 [10635.134537][ T7704] fib6_nh_init+0x3d8/0x15b0 [10635.134537][ T7704] ip6_route_info_create+0xf18/0x17d0 [10635.134537][ T7704] ip6_route_add+0x1c/0x140 [10635.134537][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10635.134537][ T7704] addrconf_add_dev+0xe2/0x170 [10635.134537][ T7704] inet6_addr_add+0x12f/0xa40 [10635.134537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10635.134537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10635.134537][ T7704] netlink_rcv_skb+0x130/0x360 [10635.134537][ T7704] netlink_unicast+0x449/0x710 [10635.134537][ T7704] netlink_sendmsg+0x723/0xbe0 [10635.134537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10635.134537][ T7704] ___sys_sendmsg+0xee/0x170 [10635.134537][ T7704] __sys_sendmsg+0xcd/0x170 [10635.134537][ T7704] do_syscall_64+0xc6/0x1e0 [10635.134537][ T7704] [10635.137993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10635.137993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10635.137993][ T7704] ipv6_find_idev+0x102/0x170 [10635.137993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10635.137993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10635.137993][ T7704] netlink_rcv_skb+0x130/0x360 [10635.137993][ T7704] netlink_unicast+0x449/0x710 [10635.137993][ T7704] netlink_sendmsg+0x723/0xbe0 [10635.137993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10635.137993][ T7704] ___sys_sendmsg+0xee/0x170 [10635.137993][ T7704] __sys_sendmsg+0xcd/0x170 [10635.137993][ T7704] do_syscall_64+0xc6/0x1e0 [10635.137993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10635.137993][ T7704] [10635.140677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10635.140677][ T7704] neigh_parms_alloc+0x1e5/0x510 [10635.140677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10635.140677][ T7704] ipv6_find_idev+0x102/0x170 [10635.140677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10635.140677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10635.140677][ T7704] netlink_rcv_skb+0x130/0x360 [10635.140677][ T7704] netlink_unicast+0x449/0x710 [10635.140677][ T7704] netlink_sendmsg+0x723/0xbe0 [10635.140677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10635.140677][ T7704] ___sys_sendmsg+0xee/0x170 [10635.140677][ T7704] __sys_sendmsg+0xcd/0x170 [10635.140677][ T7704] do_syscall_64+0xc6/0x1e0 [10635.140677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10635.140677][ T7704] [10645.166919][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10645.167435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10645.167435][ T7704] netdev_get_by_index+0x5e/0x80 [10645.167435][ T7704] fib6_nh_init+0x3d8/0x15b0 [10645.167435][ T7704] ip6_route_info_create+0xf18/0x17d0 [10645.167435][ T7704] ip6_route_add+0x1c/0x140 [10645.167435][ T7704] addrconf_prefix_route+0x2a6/0x430 [10645.167435][ T7704] inet6_addr_add+0x4f8/0xa40 [10645.167435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10645.167435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10645.167435][ T7704] netlink_rcv_skb+0x130/0x360 [10645.167435][ T7704] netlink_unicast+0x449/0x710 [10645.167435][ T7704] netlink_sendmsg+0x723/0xbe0 [10645.167435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10645.167435][ T7704] ___sys_sendmsg+0xee/0x170 [10645.167435][ T7704] __sys_sendmsg+0xcd/0x170 [10645.167435][ T7704] do_syscall_64+0xc6/0x1e0 [10645.167435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10645.167435][ T7704] [10645.169769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10645.169769][ T7704] netdev_get_by_index+0x5e/0x80 [10645.169769][ T7704] fib6_nh_init+0x3d8/0x15b0 [10645.169769][ T7704] ip6_route_info_create+0xf18/0x17d0 [10645.169769][ T7704] addrconf_f6i_alloc+0x315/0x560 [10645.169769][ T7704] ipv6_add_addr+0x411/0x2000 [10645.169769][ T7704] inet6_addr_add+0x30e/0xa40 [10645.169769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10645.169769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10645.169769][ T7704] netlink_rcv_skb+0x130/0x360 [10645.169769][ T7704] netlink_unicast+0x449/0x710 [10645.169769][ T7704] netlink_sendmsg+0x723/0xbe0 [10645.169769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10645.169769][ T7704] ___sys_sendmsg+0xee/0x170 [10645.169769][ T7704] __sys_sendmsg+0xcd/0x170 [10645.169769][ T7704] do_syscall_64+0xc6/0x1e0 [10645.169769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10645.169769][ T7704] [10645.172087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10645.172087][ T7704] netdev_get_by_index+0x5e/0x80 [10645.172087][ T7704] fib6_nh_init+0x3d8/0x15b0 [10645.172087][ T7704] ip6_route_info_create+0xf18/0x17d0 [10645.172087][ T7704] ip6_route_add+0x1c/0x140 [10645.172087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10645.172087][ T7704] addrconf_add_dev+0xe2/0x170 [10645.172087][ T7704] inet6_addr_add+0x12f/0xa40 [10645.172087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10645.172087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10645.172087][ T7704] netlink_rcv_skb+0x130/0x360 [10645.172087][ T7704] netlink_unicast+0x449/0x710 [10645.172087][ T7704] netlink_sendmsg+0x723/0xbe0 [10645.172087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10645.172087][ T7704] ___sys_sendmsg+0xee/0x170 [10645.172087][ T7704] __sys_sendmsg+0xcd/0x170 [10645.172087][ T7704] do_syscall_64+0xc6/0x1e0 [10645.172087][ T7704] [10645.174330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10645.174330][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10645.174330][ T7704] ipv6_find_idev+0x102/0x170 [10645.174330][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10645.174330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10645.174330][ T7704] netlink_rcv_skb+0x130/0x360 [10645.174330][ T7704] netlink_unicast+0x449/0x710 [10645.174330][ T7704] netlink_sendmsg+0x723/0xbe0 [10645.174330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10645.174330][ T7704] ___sys_sendmsg+0xee/0x170 [10645.174330][ T7704] __sys_sendmsg+0xcd/0x170 [10645.174330][ T7704] do_syscall_64+0xc6/0x1e0 [10645.174330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10645.174330][ T7704] [10645.176098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10645.176098][ T7704] neigh_parms_alloc+0x1e5/0x510 [10645.176098][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10645.176098][ T7704] ipv6_find_idev+0x102/0x170 [10645.176098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10645.176098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10645.176098][ T7704] netlink_rcv_skb+0x130/0x360 [10645.176098][ T7704] netlink_unicast+0x449/0x710 [10645.176098][ T7704] netlink_sendmsg+0x723/0xbe0 [10645.176098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10645.176098][ T7704] ___sys_sendmsg+0xee/0x170 [10645.176098][ T7704] __sys_sendmsg+0xcd/0x170 [10645.176098][ T7704] do_syscall_64+0xc6/0x1e0 [10645.176098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10645.176098][ T7704] [10655.414973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10655.415561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10655.415561][ T7704] netdev_get_by_index+0x5e/0x80 [10655.415561][ T7704] fib6_nh_init+0x3d8/0x15b0 [10655.415561][ T7704] ip6_route_info_create+0xf18/0x17d0 [10655.415561][ T7704] ip6_route_add+0x1c/0x140 [10655.415561][ T7704] addrconf_prefix_route+0x2a6/0x430 [10655.415561][ T7704] inet6_addr_add+0x4f8/0xa40 [10655.415561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10655.415561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10655.415561][ T7704] netlink_rcv_skb+0x130/0x360 [10655.415561][ T7704] netlink_unicast+0x449/0x710 [10655.415561][ T7704] netlink_sendmsg+0x723/0xbe0 [10655.415561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10655.415561][ T7704] ___sys_sendmsg+0xee/0x170 [10655.415561][ T7704] __sys_sendmsg+0xcd/0x170 [10655.415561][ T7704] do_syscall_64+0xc6/0x1e0 [10655.415561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10655.415561][ T7704] [10655.418042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10655.418042][ T7704] netdev_get_by_index+0x5e/0x80 [10655.418042][ T7704] fib6_nh_init+0x3d8/0x15b0 [10655.418042][ T7704] ip6_route_info_create+0xf18/0x17d0 [10655.418042][ T7704] addrconf_f6i_alloc+0x315/0x560 [10655.418042][ T7704] ipv6_add_addr+0x411/0x2000 [10655.418042][ T7704] inet6_addr_add+0x30e/0xa40 [10655.418042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10655.418042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10655.418042][ T7704] netlink_rcv_skb+0x130/0x360 [10655.418042][ T7704] netlink_unicast+0x449/0x710 [10655.418042][ T7704] netlink_sendmsg+0x723/0xbe0 [10655.418042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10655.418042][ T7704] ___sys_sendmsg+0xee/0x170 [10655.418042][ T7704] __sys_sendmsg+0xcd/0x170 [10655.418042][ T7704] do_syscall_64+0xc6/0x1e0 [10655.418042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10655.418042][ T7704] [10655.420557][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10655.420557][ T7704] netdev_get_by_index+0x5e/0x80 [10655.420557][ T7704] fib6_nh_init+0x3d8/0x15b0 [10655.420557][ T7704] ip6_route_info_create+0xf18/0x17d0 [10655.420557][ T7704] ip6_route_add+0x1c/0x140 [10655.420557][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10655.420557][ T7704] addrconf_add_dev+0xe2/0x170 [10655.420557][ T7704] inet6_addr_add+0x12f/0xa40 [10655.420557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10655.420557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10655.420557][ T7704] netlink_rcv_skb+0x130/0x360 [10655.420557][ T7704] netlink_unicast+0x449/0x710 [10655.420557][ T7704] netlink_sendmsg+0x723/0xbe0 [10655.420557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10655.420557][ T7704] ___sys_sendmsg+0xee/0x170 [10655.420557][ T7704] __sys_sendmsg+0xcd/0x170 [10655.420557][ T7704] do_syscall_64+0xc6/0x1e0 [10655.420557][ T7704] [10655.423008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10655.423008][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10655.423008][ T7704] ipv6_find_idev+0x102/0x170 [10655.423008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10655.423008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10655.423008][ T7704] netlink_rcv_skb+0x130/0x360 [10655.423008][ T7704] netlink_unicast+0x449/0x710 [10655.423008][ T7704] netlink_sendmsg+0x723/0xbe0 [10655.423008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10655.423008][ T7704] ___sys_sendmsg+0xee/0x170 [10655.423008][ T7704] __sys_sendmsg+0xcd/0x170 [10655.423008][ T7704] do_syscall_64+0xc6/0x1e0 [10655.423008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10655.423008][ T7704] [10655.424894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10655.424894][ T7704] neigh_parms_alloc+0x1e5/0x510 [10655.424894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10655.424894][ T7704] ipv6_find_idev+0x102/0x170 [10655.424894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10655.424894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10655.424894][ T7704] netlink_rcv_skb+0x130/0x360 [10655.424894][ T7704] netlink_unicast+0x449/0x710 [10655.424894][ T7704] netlink_sendmsg+0x723/0xbe0 [10655.424894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10655.424894][ T7704] ___sys_sendmsg+0xee/0x170 [10655.424894][ T7704] __sys_sendmsg+0xcd/0x170 [10655.424894][ T7704] do_syscall_64+0xc6/0x1e0 [10655.424894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10655.424894][ T7704] [10665.550912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10665.551400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10665.551400][ T7704] netdev_get_by_index+0x5e/0x80 [10665.551400][ T7704] fib6_nh_init+0x3d8/0x15b0 [10665.551400][ T7704] ip6_route_info_create+0xf18/0x17d0 [10665.551400][ T7704] ip6_route_add+0x1c/0x140 [10665.551400][ T7704] addrconf_prefix_route+0x2a6/0x430 [10665.551400][ T7704] inet6_addr_add+0x4f8/0xa40 [10665.551400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10665.551400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10665.551400][ T7704] netlink_rcv_skb+0x130/0x360 [10665.551400][ T7704] netlink_unicast+0x449/0x710 [10665.551400][ T7704] netlink_sendmsg+0x723/0xbe0 [10665.551400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10665.551400][ T7704] ___sys_sendmsg+0xee/0x170 [10665.551400][ T7704] __sys_sendmsg+0xcd/0x170 [10665.551400][ T7704] do_syscall_64+0xc6/0x1e0 [10665.551400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10665.551400][ T7704] [10665.553797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10665.553797][ T7704] netdev_get_by_index+0x5e/0x80 [10665.553797][ T7704] fib6_nh_init+0x3d8/0x15b0 [10665.553797][ T7704] ip6_route_info_create+0xf18/0x17d0 [10665.553797][ T7704] addrconf_f6i_alloc+0x315/0x560 [10665.553797][ T7704] ipv6_add_addr+0x411/0x2000 [10665.553797][ T7704] inet6_addr_add+0x30e/0xa40 [10665.553797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10665.553797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10665.553797][ T7704] netlink_rcv_skb+0x130/0x360 [10665.553797][ T7704] netlink_unicast+0x449/0x710 [10665.553797][ T7704] netlink_sendmsg+0x723/0xbe0 [10665.553797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10665.553797][ T7704] ___sys_sendmsg+0xee/0x170 [10665.553797][ T7704] __sys_sendmsg+0xcd/0x170 [10665.553797][ T7704] do_syscall_64+0xc6/0x1e0 [10665.553797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10665.553797][ T7704] [10665.556108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10665.556108][ T7704] netdev_get_by_index+0x5e/0x80 [10665.556108][ T7704] fib6_nh_init+0x3d8/0x15b0 [10665.556108][ T7704] ip6_route_info_create+0xf18/0x17d0 [10665.556108][ T7704] ip6_route_add+0x1c/0x140 [10665.556108][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10665.556108][ T7704] addrconf_add_dev+0xe2/0x170 [10665.556108][ T7704] inet6_addr_add+0x12f/0xa40 [10665.556108][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10665.556108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10665.556108][ T7704] netlink_rcv_skb+0x130/0x360 [10665.556108][ T7704] netlink_unicast+0x449/0x710 [10665.556108][ T7704] netlink_sendmsg+0x723/0xbe0 [10665.556108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10665.556108][ T7704] ___sys_sendmsg+0xee/0x170 [10665.556108][ T7704] __sys_sendmsg+0xcd/0x170 [10665.556108][ T7704] do_syscall_64+0xc6/0x1e0 [10665.556108][ T7704] [10665.558506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10665.558506][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10665.558506][ T7704] ipv6_find_idev+0x102/0x170 [10665.558506][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10665.558506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10665.558506][ T7704] netlink_rcv_skb+0x130/0x360 [10665.558506][ T7704] netlink_unicast+0x449/0x710 [10665.558506][ T7704] netlink_sendmsg+0x723/0xbe0 [10665.558506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10665.558506][ T7704] ___sys_sendmsg+0xee/0x170 [10665.558506][ T7704] __sys_sendmsg+0xcd/0x170 [10665.558506][ T7704] do_syscall_64+0xc6/0x1e0 [10665.558506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10665.558506][ T7704] [10665.560340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10665.560340][ T7704] neigh_parms_alloc+0x1e5/0x510 [10665.560340][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10665.560340][ T7704] ipv6_find_idev+0x102/0x170 [10665.560340][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10665.560340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10665.560340][ T7704] netlink_rcv_skb+0x130/0x360 [10665.560340][ T7704] netlink_unicast+0x449/0x710 [10665.560340][ T7704] netlink_sendmsg+0x723/0xbe0 [10665.560340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10665.560340][ T7704] ___sys_sendmsg+0xee/0x170 [10665.560340][ T7704] __sys_sendmsg+0xcd/0x170 [10665.560340][ T7704] do_syscall_64+0xc6/0x1e0 [10665.560340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10665.560340][ T7704] [10675.799014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10675.799502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10675.799502][ T7704] netdev_get_by_index+0x5e/0x80 [10675.799502][ T7704] fib6_nh_init+0x3d8/0x15b0 [10675.799502][ T7704] ip6_route_info_create+0xf18/0x17d0 [10675.799502][ T7704] ip6_route_add+0x1c/0x140 [10675.799502][ T7704] addrconf_prefix_route+0x2a6/0x430 [10675.799502][ T7704] inet6_addr_add+0x4f8/0xa40 [10675.799502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10675.799502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10675.799502][ T7704] netlink_rcv_skb+0x130/0x360 [10675.799502][ T7704] netlink_unicast+0x449/0x710 [10675.799502][ T7704] netlink_sendmsg+0x723/0xbe0 [10675.799502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10675.799502][ T7704] ___sys_sendmsg+0xee/0x170 [10675.799502][ T7704] __sys_sendmsg+0xcd/0x170 [10675.799502][ T7704] do_syscall_64+0xc6/0x1e0 [10675.799502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10675.799502][ T7704] [10675.801858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10675.801858][ T7704] netdev_get_by_index+0x5e/0x80 [10675.801858][ T7704] fib6_nh_init+0x3d8/0x15b0 [10675.801858][ T7704] ip6_route_info_create+0xf18/0x17d0 [10675.801858][ T7704] addrconf_f6i_alloc+0x315/0x560 [10675.801858][ T7704] ipv6_add_addr+0x411/0x2000 [10675.801858][ T7704] inet6_addr_add+0x30e/0xa40 [10675.801858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10675.801858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10675.801858][ T7704] netlink_rcv_skb+0x130/0x360 [10675.801858][ T7704] netlink_unicast+0x449/0x710 [10675.801858][ T7704] netlink_sendmsg+0x723/0xbe0 [10675.801858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10675.801858][ T7704] ___sys_sendmsg+0xee/0x170 [10675.801858][ T7704] __sys_sendmsg+0xcd/0x170 [10675.801858][ T7704] do_syscall_64+0xc6/0x1e0 [10675.801858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10675.801858][ T7704] [10675.804115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10675.804115][ T7704] netdev_get_by_index+0x5e/0x80 [10675.804115][ T7704] fib6_nh_init+0x3d8/0x15b0 [10675.804115][ T7704] ip6_route_info_create+0xf18/0x17d0 [10675.804115][ T7704] ip6_route_add+0x1c/0x140 [10675.804115][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10675.804115][ T7704] addrconf_add_dev+0xe2/0x170 [10675.804115][ T7704] inet6_addr_add+0x12f/0xa40 [10675.804115][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10675.804115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10675.804115][ T7704] netlink_rcv_skb+0x130/0x360 [10675.804115][ T7704] netlink_unicast+0x449/0x710 [10675.804115][ T7704] netlink_sendmsg+0x723/0xbe0 [10675.804115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10675.804115][ T7704] ___sys_sendmsg+0xee/0x170 [10675.804115][ T7704] __sys_sendmsg+0xcd/0x170 [10675.804115][ T7704] do_syscall_64+0xc6/0x1e0 [10675.804115][ T7704] [10675.806333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10675.806333][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10675.806333][ T7704] ipv6_find_idev+0x102/0x170 [10675.806333][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10675.806333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10675.806333][ T7704] netlink_rcv_skb+0x130/0x360 [10675.806333][ T7704] netlink_unicast+0x449/0x710 [10675.806333][ T7704] netlink_sendmsg+0x723/0xbe0 [10675.806333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10675.806333][ T7704] ___sys_sendmsg+0xee/0x170 [10675.806333][ T7704] __sys_sendmsg+0xcd/0x170 [10675.806333][ T7704] do_syscall_64+0xc6/0x1e0 [10675.806333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10675.806333][ T7704] [10675.808077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10675.808077][ T7704] neigh_parms_alloc+0x1e5/0x510 [10675.808077][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10675.808077][ T7704] ipv6_find_idev+0x102/0x170 [10675.808077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10675.808077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10675.808077][ T7704] netlink_rcv_skb+0x130/0x360 [10675.808077][ T7704] netlink_unicast+0x449/0x710 [10675.808077][ T7704] netlink_sendmsg+0x723/0xbe0 [10675.808077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10675.808077][ T7704] ___sys_sendmsg+0xee/0x170 [10675.808077][ T7704] __sys_sendmsg+0xcd/0x170 [10675.808077][ T7704] do_syscall_64+0xc6/0x1e0 [10675.808077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10675.808077][ T7704] [10686.046926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10686.047492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10686.047492][ T7704] netdev_get_by_index+0x5e/0x80 [10686.047492][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.047492][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.047492][ T7704] ip6_route_add+0x1c/0x140 [10686.047492][ T7704] addrconf_prefix_route+0x2a6/0x430 [10686.047492][ T7704] inet6_addr_add+0x4f8/0xa40 [10686.047492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.047492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.047492][ T7704] netlink_rcv_skb+0x130/0x360 [10686.047492][ T7704] netlink_unicast+0x449/0x710 [10686.047492][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.047492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.047492][ T7704] ___sys_sendmsg+0xee/0x170 [10686.047492][ T7704] __sys_sendmsg+0xcd/0x170 [10686.047492][ T7704] do_syscall_64+0xc6/0x1e0 [10686.047492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.047492][ T7704] [10686.050054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10686.050054][ T7704] netdev_get_by_index+0x5e/0x80 [10686.050054][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.050054][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.050054][ T7704] addrconf_f6i_alloc+0x315/0x560 [10686.050054][ T7704] ipv6_add_addr+0x411/0x2000 [10686.050054][ T7704] inet6_addr_add+0x30e/0xa40 [10686.050054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.050054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.050054][ T7704] netlink_rcv_skb+0x130/0x360 [10686.050054][ T7704] netlink_unicast+0x449/0x710 [10686.050054][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.050054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.050054][ T7704] ___sys_sendmsg+0xee/0x170 [10686.050054][ T7704] __sys_sendmsg+0xcd/0x170 [10686.050054][ T7704] do_syscall_64+0xc6/0x1e0 [10686.050054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.050054][ T7704] [10686.052584][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10686.052584][ T7704] netdev_get_by_index+0x5e/0x80 [10686.052584][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.052584][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.052584][ T7704] ip6_route_add+0x1c/0x140 [10686.052584][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10686.052584][ T7704] addrconf_add_dev+0xe2/0x170 [10686.052584][ T7704] inet6_addr_add+0x12f/0xa40 [10686.052584][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.052584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.052584][ T7704] netlink_rcv_skb+0x130/0x360 [10686.052584][ T7704] netlink_unicast+0x449/0x710 [10686.052584][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.052584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.052584][ T7704] ___sys_sendmsg+0xee/0x170 [10686.052584][ T7704] __sys_sendmsg+0xcd/0x170 [10686.052584][ T7704] do_syscall_64+0xc6/0x1e0 [10686.052584][ T7704] [10686.055104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10686.055104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10686.055104][ T7704] ipv6_find_idev+0x102/0x170 [10686.055104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10686.055104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.055104][ T7704] netlink_rcv_skb+0x130/0x360 [10686.055104][ T7704] netlink_unicast+0x449/0x710 [10686.055104][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.055104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.055104][ T7704] ___sys_sendmsg+0xee/0x170 [10686.055104][ T7704] __sys_sendmsg+0xcd/0x170 [10686.055104][ T7704] do_syscall_64+0xc6/0x1e0 [10686.055104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.055104][ T7704] [10686.057027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10686.057027][ T7704] neigh_parms_alloc+0x1e5/0x510 [10686.057027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10686.057027][ T7704] ipv6_find_idev+0x102/0x170 [10686.057027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10686.057027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.057027][ T7704] netlink_rcv_skb+0x130/0x360 [10686.057027][ T7704] netlink_unicast+0x449/0x710 [10686.057027][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.057027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.057027][ T7704] ___sys_sendmsg+0xee/0x170 [10686.057027][ T7704] __sys_sendmsg+0xcd/0x170 [10686.057027][ T7704] do_syscall_64+0xc6/0x1e0 [10686.057027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.057027][ T7704] [10696.294921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10696.295442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10696.295442][ T7704] netdev_get_by_index+0x5e/0x80 [10696.295442][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.295442][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.295442][ T7704] ip6_route_add+0x1c/0x140 [10696.295442][ T7704] addrconf_prefix_route+0x2a6/0x430 [10696.295442][ T7704] inet6_addr_add+0x4f8/0xa40 [10696.295442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.295442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.295442][ T7704] netlink_rcv_skb+0x130/0x360 [10696.295442][ T7704] netlink_unicast+0x449/0x710 [10696.295442][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.295442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.295442][ T7704] ___sys_sendmsg+0xee/0x170 [10696.295442][ T7704] __sys_sendmsg+0xcd/0x170 [10696.295442][ T7704] do_syscall_64+0xc6/0x1e0 [10696.295442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.295442][ T7704] [10696.297880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10696.297880][ T7704] netdev_get_by_index+0x5e/0x80 [10696.297880][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.297880][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.297880][ T7704] addrconf_f6i_alloc+0x315/0x560 [10696.297880][ T7704] ipv6_add_addr+0x411/0x2000 [10696.297880][ T7704] inet6_addr_add+0x30e/0xa40 [10696.297880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.297880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.297880][ T7704] netlink_rcv_skb+0x130/0x360 [10696.297880][ T7704] netlink_unicast+0x449/0x710 [10696.297880][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.297880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.297880][ T7704] ___sys_sendmsg+0xee/0x170 [10696.297880][ T7704] __sys_sendmsg+0xcd/0x170 [10696.297880][ T7704] do_syscall_64+0xc6/0x1e0 [10696.297880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.297880][ T7704] [10696.300324][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10696.300324][ T7704] netdev_get_by_index+0x5e/0x80 [10696.300324][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.300324][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.300324][ T7704] ip6_route_add+0x1c/0x140 [10696.300324][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10696.300324][ T7704] addrconf_add_dev+0xe2/0x170 [10696.300324][ T7704] inet6_addr_add+0x12f/0xa40 [10696.300324][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.300324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.300324][ T7704] netlink_rcv_skb+0x130/0x360 [10696.300324][ T7704] netlink_unicast+0x449/0x710 [10696.300324][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.300324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.300324][ T7704] ___sys_sendmsg+0xee/0x170 [10696.300324][ T7704] __sys_sendmsg+0xcd/0x170 [10696.300324][ T7704] do_syscall_64+0xc6/0x1e0 [10696.300324][ T7704] [10696.302712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10696.302712][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10696.302712][ T7704] ipv6_find_idev+0x102/0x170 [10696.302712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10696.302712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.302712][ T7704] netlink_rcv_skb+0x130/0x360 [10696.302712][ T7704] netlink_unicast+0x449/0x710 [10696.302712][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.302712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.302712][ T7704] ___sys_sendmsg+0xee/0x170 [10696.302712][ T7704] __sys_sendmsg+0xcd/0x170 [10696.302712][ T7704] do_syscall_64+0xc6/0x1e0 [10696.302712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.302712][ T7704] [10696.304592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10696.304592][ T7704] neigh_parms_alloc+0x1e5/0x510 [10696.304592][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10696.304592][ T7704] ipv6_find_idev+0x102/0x170 [10696.304592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10696.304592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.304592][ T7704] netlink_rcv_skb+0x130/0x360 [10696.304592][ T7704] netlink_unicast+0x449/0x710 [10696.304592][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.304592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.304592][ T7704] ___sys_sendmsg+0xee/0x170 [10696.304592][ T7704] __sys_sendmsg+0xcd/0x170 [10696.304592][ T7704] do_syscall_64+0xc6/0x1e0 [10696.304592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.304592][ T7704] [10706.471009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10706.471548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10706.471548][ T7704] netdev_get_by_index+0x5e/0x80 [10706.471548][ T7704] fib6_nh_init+0x3d8/0x15b0 [10706.471548][ T7704] ip6_route_info_create+0xf18/0x17d0 [10706.471548][ T7704] ip6_route_add+0x1c/0x140 [10706.471548][ T7704] addrconf_prefix_route+0x2a6/0x430 [10706.471548][ T7704] inet6_addr_add+0x4f8/0xa40 [10706.471548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10706.471548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10706.471548][ T7704] netlink_rcv_skb+0x130/0x360 [10706.471548][ T7704] netlink_unicast+0x449/0x710 [10706.471548][ T7704] netlink_sendmsg+0x723/0xbe0 [10706.471548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10706.471548][ T7704] ___sys_sendmsg+0xee/0x170 [10706.471548][ T7704] __sys_sendmsg+0xcd/0x170 [10706.471548][ T7704] do_syscall_64+0xc6/0x1e0 [10706.471548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10706.471548][ T7704] [10706.473832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10706.473832][ T7704] netdev_get_by_index+0x5e/0x80 [10706.473832][ T7704] fib6_nh_init+0x3d8/0x15b0 [10706.473832][ T7704] ip6_route_info_create+0xf18/0x17d0 [10706.473832][ T7704] addrconf_f6i_alloc+0x315/0x560 [10706.473832][ T7704] ipv6_add_addr+0x411/0x2000 [10706.473832][ T7704] inet6_addr_add+0x30e/0xa40 [10706.473832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10706.473832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10706.473832][ T7704] netlink_rcv_skb+0x130/0x360 [10706.473832][ T7704] netlink_unicast+0x449/0x710 [10706.473832][ T7704] netlink_sendmsg+0x723/0xbe0 [10706.473832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10706.473832][ T7704] ___sys_sendmsg+0xee/0x170 [10706.473832][ T7704] __sys_sendmsg+0xcd/0x170 [10706.473832][ T7704] do_syscall_64+0xc6/0x1e0 [10706.473832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10706.473832][ T7704] [10706.476103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10706.476103][ T7704] netdev_get_by_index+0x5e/0x80 [10706.476103][ T7704] fib6_nh_init+0x3d8/0x15b0 [10706.476103][ T7704] ip6_route_info_create+0xf18/0x17d0 [10706.476103][ T7704] ip6_route_add+0x1c/0x140 [10706.476103][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10706.476103][ T7704] addrconf_add_dev+0xe2/0x170 [10706.476103][ T7704] inet6_addr_add+0x12f/0xa40 [10706.476103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10706.476103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10706.476103][ T7704] netlink_rcv_skb+0x130/0x360 [10706.476103][ T7704] netlink_unicast+0x449/0x710 [10706.476103][ T7704] netlink_sendmsg+0x723/0xbe0 [10706.476103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10706.476103][ T7704] ___sys_sendmsg+0xee/0x170 [10706.476103][ T7704] __sys_sendmsg+0xcd/0x170 [10706.476103][ T7704] do_syscall_64+0xc6/0x1e0 [10706.476103][ T7704] [10706.478322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10706.478322][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10706.478322][ T7704] ipv6_find_idev+0x102/0x170 [10706.478322][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10706.478322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10706.478322][ T7704] netlink_rcv_skb+0x130/0x360 [10706.478322][ T7704] netlink_unicast+0x449/0x710 [10706.478322][ T7704] netlink_sendmsg+0x723/0xbe0 [10706.478322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10706.478322][ T7704] ___sys_sendmsg+0xee/0x170 [10706.478322][ T7704] __sys_sendmsg+0xcd/0x170 [10706.478322][ T7704] do_syscall_64+0xc6/0x1e0 [10706.478322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10706.478322][ T7704] [10706.480064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10706.480064][ T7704] neigh_parms_alloc+0x1e5/0x510 [10706.480064][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10706.480064][ T7704] ipv6_find_idev+0x102/0x170 [10706.480064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10706.480064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10706.480064][ T7704] netlink_rcv_skb+0x130/0x360 [10706.480064][ T7704] netlink_unicast+0x449/0x710 [10706.480064][ T7704] netlink_sendmsg+0x723/0xbe0 [10706.480064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10706.480064][ T7704] ___sys_sendmsg+0xee/0x170 [10706.480064][ T7704] __sys_sendmsg+0xcd/0x170 [10706.480064][ T7704] do_syscall_64+0xc6/0x1e0 [10706.480064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10706.480064][ T7704] [10716.718938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10716.719448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10716.719448][ T7704] netdev_get_by_index+0x5e/0x80 [10716.719448][ T7704] fib6_nh_init+0x3d8/0x15b0 [10716.719448][ T7704] ip6_route_info_create+0xf18/0x17d0 [10716.719448][ T7704] ip6_route_add+0x1c/0x140 [10716.719448][ T7704] addrconf_prefix_route+0x2a6/0x430 [10716.719448][ T7704] inet6_addr_add+0x4f8/0xa40 [10716.719448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10716.719448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10716.719448][ T7704] netlink_rcv_skb+0x130/0x360 [10716.719448][ T7704] netlink_unicast+0x449/0x710 [10716.719448][ T7704] netlink_sendmsg+0x723/0xbe0 [10716.719448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10716.719448][ T7704] ___sys_sendmsg+0xee/0x170 [10716.719448][ T7704] __sys_sendmsg+0xcd/0x170 [10716.719448][ T7704] do_syscall_64+0xc6/0x1e0 [10716.719448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10716.719448][ T7704] [10716.722010][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10716.722010][ T7704] netdev_get_by_index+0x5e/0x80 [10716.722010][ T7704] fib6_nh_init+0x3d8/0x15b0 [10716.722010][ T7704] ip6_route_info_create+0xf18/0x17d0 [10716.722010][ T7704] addrconf_f6i_alloc+0x315/0x560 [10716.722010][ T7704] ipv6_add_addr+0x411/0x2000 [10716.722010][ T7704] inet6_addr_add+0x30e/0xa40 [10716.722010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10716.722010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10716.722010][ T7704] netlink_rcv_skb+0x130/0x360 [10716.722010][ T7704] netlink_unicast+0x449/0x710 [10716.722010][ T7704] netlink_sendmsg+0x723/0xbe0 [10716.722010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10716.722010][ T7704] ___sys_sendmsg+0xee/0x170 [10716.722010][ T7704] __sys_sendmsg+0xcd/0x170 [10716.722010][ T7704] do_syscall_64+0xc6/0x1e0 [10716.722010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10716.722010][ T7704] [10716.725158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10716.725158][ T7704] netdev_get_by_index+0x5e/0x80 [10716.725158][ T7704] fib6_nh_init+0x3d8/0x15b0 [10716.725158][ T7704] ip6_route_info_create+0xf18/0x17d0 [10716.725158][ T7704] ip6_route_add+0x1c/0x140 [10716.725158][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10716.725158][ T7704] addrconf_add_dev+0xe2/0x170 [10716.725158][ T7704] inet6_addr_add+0x12f/0xa40 [10716.725158][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10716.725158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10716.725158][ T7704] netlink_rcv_skb+0x130/0x360 [10716.725158][ T7704] netlink_unicast+0x449/0x710 [10716.725158][ T7704] netlink_sendmsg+0x723/0xbe0 [10716.725158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10716.725158][ T7704] ___sys_sendmsg+0xee/0x170 [10716.725158][ T7704] __sys_sendmsg+0xcd/0x170 [10716.725158][ T7704] do_syscall_64+0xc6/0x1e0 [10716.725158][ T7704] [10716.727605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10716.727605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10716.727605][ T7704] ipv6_find_idev+0x102/0x170 [10716.727605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10716.727605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10716.727605][ T7704] netlink_rcv_skb+0x130/0x360 [10716.727605][ T7704] netlink_unicast+0x449/0x710 [10716.727605][ T7704] netlink_sendmsg+0x723/0xbe0 [10716.727605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10716.727605][ T7704] ___sys_sendmsg+0xee/0x170 [10716.727605][ T7704] __sys_sendmsg+0xcd/0x170 [10716.727605][ T7704] do_syscall_64+0xc6/0x1e0 [10716.727605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10716.727605][ T7704] [10716.729370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10716.729370][ T7704] neigh_parms_alloc+0x1e5/0x510 [10716.729370][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10716.729370][ T7704] ipv6_find_idev+0x102/0x170 [10716.729370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10716.729370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10716.729370][ T7704] netlink_rcv_skb+0x130/0x360 [10716.729370][ T7704] netlink_unicast+0x449/0x710 [10716.729370][ T7704] netlink_sendmsg+0x723/0xbe0 [10716.729370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10716.729370][ T7704] ___sys_sendmsg+0xee/0x170 [10716.729370][ T7704] __sys_sendmsg+0xcd/0x170 [10716.729370][ T7704] do_syscall_64+0xc6/0x1e0 [10716.729370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10716.729370][ T7704] [10726.966991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10726.967535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10726.967535][ T7704] netdev_get_by_index+0x5e/0x80 [10726.967535][ T7704] fib6_nh_init+0x3d8/0x15b0 [10726.967535][ T7704] ip6_route_info_create+0xf18/0x17d0 [10726.967535][ T7704] ip6_route_add+0x1c/0x140 [10726.967535][ T7704] addrconf_prefix_route+0x2a6/0x430 [10726.967535][ T7704] inet6_addr_add+0x4f8/0xa40 [10726.967535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10726.967535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10726.967535][ T7704] netlink_rcv_skb+0x130/0x360 [10726.967535][ T7704] netlink_unicast+0x449/0x710 [10726.967535][ T7704] netlink_sendmsg+0x723/0xbe0 [10726.967535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10726.967535][ T7704] ___sys_sendmsg+0xee/0x170 [10726.967535][ T7704] __sys_sendmsg+0xcd/0x170 [10726.967535][ T7704] do_syscall_64+0xc6/0x1e0 [10726.967535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10726.967535][ T7704] [10726.970221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10726.970221][ T7704] netdev_get_by_index+0x5e/0x80 [10726.970221][ T7704] fib6_nh_init+0x3d8/0x15b0 [10726.970221][ T7704] ip6_route_info_create+0xf18/0x17d0 [10726.970221][ T7704] addrconf_f6i_alloc+0x315/0x560 [10726.970221][ T7704] ipv6_add_addr+0x411/0x2000 [10726.970221][ T7704] inet6_addr_add+0x30e/0xa40 [10726.970221][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10726.970221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10726.970221][ T7704] netlink_rcv_skb+0x130/0x360 [10726.970221][ T7704] netlink_unicast+0x449/0x710 [10726.970221][ T7704] netlink_sendmsg+0x723/0xbe0 [10726.970221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10726.970221][ T7704] ___sys_sendmsg+0xee/0x170 [10726.970221][ T7704] __sys_sendmsg+0xcd/0x170 [10726.970221][ T7704] do_syscall_64+0xc6/0x1e0 [10726.970221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10726.970221][ T7704] [10726.972842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10726.972842][ T7704] netdev_get_by_index+0x5e/0x80 [10726.972842][ T7704] fib6_nh_init+0x3d8/0x15b0 [10726.972842][ T7704] ip6_route_info_create+0xf18/0x17d0 [10726.972842][ T7704] ip6_route_add+0x1c/0x140 [10726.972842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10726.972842][ T7704] addrconf_add_dev+0xe2/0x170 [10726.972842][ T7704] inet6_addr_add+0x12f/0xa40 [10726.972842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10726.972842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10726.972842][ T7704] netlink_rcv_skb+0x130/0x360 [10726.972842][ T7704] netlink_unicast+0x449/0x710 [10726.972842][ T7704] netlink_sendmsg+0x723/0xbe0 [10726.972842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10726.972842][ T7704] ___sys_sendmsg+0xee/0x170 [10726.972842][ T7704] __sys_sendmsg+0xcd/0x170 [10726.972842][ T7704] do_syscall_64+0xc6/0x1e0 [10726.972842][ T7704] [10726.975405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10726.975405][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10726.975405][ T7704] ipv6_find_idev+0x102/0x170 [10726.975405][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10726.975405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10726.975405][ T7704] netlink_rcv_skb+0x130/0x360 [10726.975405][ T7704] netlink_unicast+0x449/0x710 [10726.975405][ T7704] netlink_sendmsg+0x723/0xbe0 [10726.975405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10726.975405][ T7704] ___sys_sendmsg+0xee/0x170 [10726.975405][ T7704] __sys_sendmsg+0xcd/0x170 [10726.975405][ T7704] do_syscall_64+0xc6/0x1e0 [10726.975405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10726.975405][ T7704] [10726.977432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10726.977432][ T7704] neigh_parms_alloc+0x1e5/0x510 [10726.977432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10726.977432][ T7704] ipv6_find_idev+0x102/0x170 [10726.977432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10726.977432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10726.977432][ T7704] netlink_rcv_skb+0x130/0x360 [10726.977432][ T7704] netlink_unicast+0x449/0x710 [10726.977432][ T7704] netlink_sendmsg+0x723/0xbe0 [10726.977432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10726.977432][ T7704] ___sys_sendmsg+0xee/0x170 [10726.977432][ T7704] __sys_sendmsg+0xcd/0x170 [10726.977432][ T7704] do_syscall_64+0xc6/0x1e0 [10726.977432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10726.977432][ T7704] [10737.030926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10737.031498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10737.031498][ T7704] netdev_get_by_index+0x5e/0x80 [10737.031498][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.031498][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.031498][ T7704] ip6_route_add+0x1c/0x140 [10737.031498][ T7704] addrconf_prefix_route+0x2a6/0x430 [10737.031498][ T7704] inet6_addr_add+0x4f8/0xa40 [10737.031498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.031498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.031498][ T7704] netlink_rcv_skb+0x130/0x360 [10737.031498][ T7704] netlink_unicast+0x449/0x710 [10737.031498][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.031498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.031498][ T7704] ___sys_sendmsg+0xee/0x170 [10737.031498][ T7704] __sys_sendmsg+0xcd/0x170 [10737.031498][ T7704] do_syscall_64+0xc6/0x1e0 [10737.031498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.031498][ T7704] [10737.033890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10737.033890][ T7704] netdev_get_by_index+0x5e/0x80 [10737.033890][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.033890][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.033890][ T7704] addrconf_f6i_alloc+0x315/0x560 [10737.033890][ T7704] ipv6_add_addr+0x411/0x2000 [10737.033890][ T7704] inet6_addr_add+0x30e/0xa40 [10737.033890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.033890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.033890][ T7704] netlink_rcv_skb+0x130/0x360 [10737.033890][ T7704] netlink_unicast+0x449/0x710 [10737.033890][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.033890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.033890][ T7704] ___sys_sendmsg+0xee/0x170 [10737.033890][ T7704] __sys_sendmsg+0xcd/0x170 [10737.033890][ T7704] do_syscall_64+0xc6/0x1e0 [10737.033890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.033890][ T7704] [10737.036273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10737.036273][ T7704] netdev_get_by_index+0x5e/0x80 [10737.036273][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.036273][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.036273][ T7704] ip6_route_add+0x1c/0x140 [10737.036273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10737.036273][ T7704] addrconf_add_dev+0xe2/0x170 [10737.036273][ T7704] inet6_addr_add+0x12f/0xa40 [10737.036273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.036273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.036273][ T7704] netlink_rcv_skb+0x130/0x360 [10737.036273][ T7704] netlink_unicast+0x449/0x710 [10737.036273][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.036273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.036273][ T7704] ___sys_sendmsg+0xee/0x170 [10737.036273][ T7704] __sys_sendmsg+0xcd/0x170 [10737.036273][ T7704] do_syscall_64+0xc6/0x1e0 [10737.036273][ T7704] [10737.038551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10737.038551][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10737.038551][ T7704] ipv6_find_idev+0x102/0x170 [10737.038551][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10737.038551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.038551][ T7704] netlink_rcv_skb+0x130/0x360 [10737.038551][ T7704] netlink_unicast+0x449/0x710 [10737.038551][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.038551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.038551][ T7704] ___sys_sendmsg+0xee/0x170 [10737.038551][ T7704] __sys_sendmsg+0xcd/0x170 [10737.038551][ T7704] do_syscall_64+0xc6/0x1e0 [10737.038551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.038551][ T7704] [10737.040400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10737.040400][ T7704] neigh_parms_alloc+0x1e5/0x510 [10737.040400][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10737.040400][ T7704] ipv6_find_idev+0x102/0x170 [10737.040400][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10737.040400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.040400][ T7704] netlink_rcv_skb+0x130/0x360 [10737.040400][ T7704] netlink_unicast+0x449/0x710 [10737.040400][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.040400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.040400][ T7704] ___sys_sendmsg+0xee/0x170 [10737.040400][ T7704] __sys_sendmsg+0xcd/0x170 [10737.040400][ T7704] do_syscall_64+0xc6/0x1e0 [10737.040400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.040400][ T7704] [10747.191009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10747.191559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10747.191559][ T7704] netdev_get_by_index+0x5e/0x80 [10747.191559][ T7704] fib6_nh_init+0x3d8/0x15b0 [10747.191559][ T7704] ip6_route_info_create+0xf18/0x17d0 [10747.191559][ T7704] ip6_route_add+0x1c/0x140 [10747.191559][ T7704] addrconf_prefix_route+0x2a6/0x430 [10747.191559][ T7704] inet6_addr_add+0x4f8/0xa40 [10747.191559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10747.191559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10747.191559][ T7704] netlink_rcv_skb+0x130/0x360 [10747.191559][ T7704] netlink_unicast+0x449/0x710 [10747.191559][ T7704] netlink_sendmsg+0x723/0xbe0 [10747.191559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10747.191559][ T7704] ___sys_sendmsg+0xee/0x170 [10747.191559][ T7704] __sys_sendmsg+0xcd/0x170 [10747.191559][ T7704] do_syscall_64+0xc6/0x1e0 [10747.191559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10747.191559][ T7704] [10747.193900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10747.193900][ T7704] netdev_get_by_index+0x5e/0x80 [10747.193900][ T7704] fib6_nh_init+0x3d8/0x15b0 [10747.193900][ T7704] ip6_route_info_create+0xf18/0x17d0 [10747.193900][ T7704] addrconf_f6i_alloc+0x315/0x560 [10747.193900][ T7704] ipv6_add_addr+0x411/0x2000 [10747.193900][ T7704] inet6_addr_add+0x30e/0xa40 [10747.193900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10747.193900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10747.193900][ T7704] netlink_rcv_skb+0x130/0x360 [10747.193900][ T7704] netlink_unicast+0x449/0x710 [10747.193900][ T7704] netlink_sendmsg+0x723/0xbe0 [10747.193900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10747.193900][ T7704] ___sys_sendmsg+0xee/0x170 [10747.193900][ T7704] __sys_sendmsg+0xcd/0x170 [10747.193900][ T7704] do_syscall_64+0xc6/0x1e0 [10747.193900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10747.193900][ T7704] [10747.196238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10747.196238][ T7704] netdev_get_by_index+0x5e/0x80 [10747.196238][ T7704] fib6_nh_init+0x3d8/0x15b0 [10747.196238][ T7704] ip6_route_info_create+0xf18/0x17d0 [10747.196238][ T7704] ip6_route_add+0x1c/0x140 [10747.196238][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10747.196238][ T7704] addrconf_add_dev+0xe2/0x170 [10747.196238][ T7704] inet6_addr_add+0x12f/0xa40 [10747.196238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10747.196238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10747.196238][ T7704] netlink_rcv_skb+0x130/0x360 [10747.196238][ T7704] netlink_unicast+0x449/0x710 [10747.196238][ T7704] netlink_sendmsg+0x723/0xbe0 [10747.196238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10747.196238][ T7704] ___sys_sendmsg+0xee/0x170 [10747.196238][ T7704] __sys_sendmsg+0xcd/0x170 [10747.196238][ T7704] do_syscall_64+0xc6/0x1e0 [10747.196238][ T7704] [10747.198546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10747.198546][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10747.198546][ T7704] ipv6_find_idev+0x102/0x170 [10747.198546][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10747.198546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10747.198546][ T7704] netlink_rcv_skb+0x130/0x360 [10747.198546][ T7704] netlink_unicast+0x449/0x710 [10747.198546][ T7704] netlink_sendmsg+0x723/0xbe0 [10747.198546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10747.198546][ T7704] ___sys_sendmsg+0xee/0x170 [10747.198546][ T7704] __sys_sendmsg+0xcd/0x170 [10747.198546][ T7704] do_syscall_64+0xc6/0x1e0 [10747.198546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10747.198546][ T7704] [10747.200349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10747.200349][ T7704] neigh_parms_alloc+0x1e5/0x510 [10747.200349][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10747.200349][ T7704] ipv6_find_idev+0x102/0x170 [10747.200349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10747.200349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10747.200349][ T7704] netlink_rcv_skb+0x130/0x360 [10747.200349][ T7704] netlink_unicast+0x449/0x710 [10747.200349][ T7704] netlink_sendmsg+0x723/0xbe0 [10747.200349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10747.200349][ T7704] ___sys_sendmsg+0xee/0x170 [10747.200349][ T7704] __sys_sendmsg+0xcd/0x170 [10747.200349][ T7704] do_syscall_64+0xc6/0x1e0 [10747.200349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10747.200349][ T7704] [10757.239034][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10757.239615][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10757.239615][ T7704] netdev_get_by_index+0x5e/0x80 [10757.239615][ T7704] fib6_nh_init+0x3d8/0x15b0 [10757.239615][ T7704] ip6_route_info_create+0xf18/0x17d0 [10757.239615][ T7704] ip6_route_add+0x1c/0x140 [10757.239615][ T7704] addrconf_prefix_route+0x2a6/0x430 [10757.239615][ T7704] inet6_addr_add+0x4f8/0xa40 [10757.239615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10757.239615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10757.239615][ T7704] netlink_rcv_skb+0x130/0x360 [10757.239615][ T7704] netlink_unicast+0x449/0x710 [10757.239615][ T7704] netlink_sendmsg+0x723/0xbe0 [10757.239615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10757.239615][ T7704] ___sys_sendmsg+0xee/0x170 [10757.239615][ T7704] __sys_sendmsg+0xcd/0x170 [10757.239615][ T7704] do_syscall_64+0xc6/0x1e0 [10757.239615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10757.239615][ T7704] [10757.241874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10757.241874][ T7704] netdev_get_by_index+0x5e/0x80 [10757.241874][ T7704] fib6_nh_init+0x3d8/0x15b0 [10757.241874][ T7704] ip6_route_info_create+0xf18/0x17d0 [10757.241874][ T7704] addrconf_f6i_alloc+0x315/0x560 [10757.241874][ T7704] ipv6_add_addr+0x411/0x2000 [10757.241874][ T7704] inet6_addr_add+0x30e/0xa40 [10757.241874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10757.241874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10757.241874][ T7704] netlink_rcv_skb+0x130/0x360 [10757.241874][ T7704] netlink_unicast+0x449/0x710 [10757.241874][ T7704] netlink_sendmsg+0x723/0xbe0 [10757.241874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10757.241874][ T7704] ___sys_sendmsg+0xee/0x170 [10757.241874][ T7704] __sys_sendmsg+0xcd/0x170 [10757.241874][ T7704] do_syscall_64+0xc6/0x1e0 [10757.241874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10757.241874][ T7704] [10757.244090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10757.244090][ T7704] netdev_get_by_index+0x5e/0x80 [10757.244090][ T7704] fib6_nh_init+0x3d8/0x15b0 [10757.244090][ T7704] ip6_route_info_create+0xf18/0x17d0 [10757.244090][ T7704] ip6_route_add+0x1c/0x140 [10757.244090][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10757.244090][ T7704] addrconf_add_dev+0xe2/0x170 [10757.244090][ T7704] inet6_addr_add+0x12f/0xa40 [10757.244090][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10757.244090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10757.244090][ T7704] netlink_rcv_skb+0x130/0x360 [10757.244090][ T7704] netlink_unicast+0x449/0x710 [10757.244090][ T7704] netlink_sendmsg+0x723/0xbe0 [10757.244090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10757.244090][ T7704] ___sys_sendmsg+0xee/0x170 [10757.244090][ T7704] __sys_sendmsg+0xcd/0x170 [10757.244090][ T7704] do_syscall_64+0xc6/0x1e0 [10757.244090][ T7704] [10757.246285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10757.246285][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10757.246285][ T7704] ipv6_find_idev+0x102/0x170 [10757.246285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10757.246285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10757.246285][ T7704] netlink_rcv_skb+0x130/0x360 [10757.246285][ T7704] netlink_unicast+0x449/0x710 [10757.246285][ T7704] netlink_sendmsg+0x723/0xbe0 [10757.246285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10757.246285][ T7704] ___sys_sendmsg+0xee/0x170 [10757.246285][ T7704] __sys_sendmsg+0xcd/0x170 [10757.246285][ T7704] do_syscall_64+0xc6/0x1e0 [10757.246285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10757.246285][ T7704] [10757.247993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10757.247993][ T7704] neigh_parms_alloc+0x1e5/0x510 [10757.247993][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10757.247993][ T7704] ipv6_find_idev+0x102/0x170 [10757.247993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10757.247993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10757.247993][ T7704] netlink_rcv_skb+0x130/0x360 [10757.247993][ T7704] netlink_unicast+0x449/0x710 [10757.247993][ T7704] netlink_sendmsg+0x723/0xbe0 [10757.247993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10757.247993][ T7704] ___sys_sendmsg+0xee/0x170 [10757.247993][ T7704] __sys_sendmsg+0xcd/0x170 [10757.247993][ T7704] do_syscall_64+0xc6/0x1e0 [10757.247993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10757.247993][ T7704] [10767.486934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10767.487392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10767.487392][ T7704] netdev_get_by_index+0x5e/0x80 [10767.487392][ T7704] fib6_nh_init+0x3d8/0x15b0 [10767.487392][ T7704] ip6_route_info_create+0xf18/0x17d0 [10767.487392][ T7704] ip6_route_add+0x1c/0x140 [10767.487392][ T7704] addrconf_prefix_route+0x2a6/0x430 [10767.487392][ T7704] inet6_addr_add+0x4f8/0xa40 [10767.487392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10767.487392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10767.487392][ T7704] netlink_rcv_skb+0x130/0x360 [10767.487392][ T7704] netlink_unicast+0x449/0x710 [10767.487392][ T7704] netlink_sendmsg+0x723/0xbe0 [10767.487392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10767.487392][ T7704] ___sys_sendmsg+0xee/0x170 [10767.487392][ T7704] __sys_sendmsg+0xcd/0x170 [10767.487392][ T7704] do_syscall_64+0xc6/0x1e0 [10767.487392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10767.487392][ T7704] [10767.489674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10767.489674][ T7704] netdev_get_by_index+0x5e/0x80 [10767.489674][ T7704] fib6_nh_init+0x3d8/0x15b0 [10767.489674][ T7704] ip6_route_info_create+0xf18/0x17d0 [10767.489674][ T7704] addrconf_f6i_alloc+0x315/0x560 [10767.489674][ T7704] ipv6_add_addr+0x411/0x2000 [10767.489674][ T7704] inet6_addr_add+0x30e/0xa40 [10767.489674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10767.489674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10767.489674][ T7704] netlink_rcv_skb+0x130/0x360 [10767.489674][ T7704] netlink_unicast+0x449/0x710 [10767.489674][ T7704] netlink_sendmsg+0x723/0xbe0 [10767.489674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10767.489674][ T7704] ___sys_sendmsg+0xee/0x170 [10767.489674][ T7704] __sys_sendmsg+0xcd/0x170 [10767.489674][ T7704] do_syscall_64+0xc6/0x1e0 [10767.489674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10767.489674][ T7704] [10767.491888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10767.491888][ T7704] netdev_get_by_index+0x5e/0x80 [10767.491888][ T7704] fib6_nh_init+0x3d8/0x15b0 [10767.491888][ T7704] ip6_route_info_create+0xf18/0x17d0 [10767.491888][ T7704] ip6_route_add+0x1c/0x140 [10767.491888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10767.491888][ T7704] addrconf_add_dev+0xe2/0x170 [10767.491888][ T7704] inet6_addr_add+0x12f/0xa40 [10767.491888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10767.491888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10767.491888][ T7704] netlink_rcv_skb+0x130/0x360 [10767.491888][ T7704] netlink_unicast+0x449/0x710 [10767.491888][ T7704] netlink_sendmsg+0x723/0xbe0 [10767.491888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10767.491888][ T7704] ___sys_sendmsg+0xee/0x170 [10767.491888][ T7704] __sys_sendmsg+0xcd/0x170 [10767.491888][ T7704] do_syscall_64+0xc6/0x1e0 [10767.491888][ T7704] [10767.494081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10767.494081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10767.494081][ T7704] ipv6_find_idev+0x102/0x170 [10767.494081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10767.494081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10767.494081][ T7704] netlink_rcv_skb+0x130/0x360 [10767.494081][ T7704] netlink_unicast+0x449/0x710 [10767.494081][ T7704] netlink_sendmsg+0x723/0xbe0 [10767.494081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10767.494081][ T7704] ___sys_sendmsg+0xee/0x170 [10767.494081][ T7704] __sys_sendmsg+0xcd/0x170 [10767.494081][ T7704] do_syscall_64+0xc6/0x1e0 [10767.494081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10767.494081][ T7704] [10767.495799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10767.495799][ T7704] neigh_parms_alloc+0x1e5/0x510 [10767.495799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10767.495799][ T7704] ipv6_find_idev+0x102/0x170 [10767.495799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10767.495799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10767.495799][ T7704] netlink_rcv_skb+0x130/0x360 [10767.495799][ T7704] netlink_unicast+0x449/0x710 [10767.495799][ T7704] netlink_sendmsg+0x723/0xbe0 [10767.495799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10767.495799][ T7704] ___sys_sendmsg+0xee/0x170 [10767.495799][ T7704] __sys_sendmsg+0xcd/0x170 [10767.495799][ T7704] do_syscall_64+0xc6/0x1e0 [10767.495799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10767.495799][ T7704] [10777.734933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10777.735422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10777.735422][ T7704] netdev_get_by_index+0x5e/0x80 [10777.735422][ T7704] fib6_nh_init+0x3d8/0x15b0 [10777.735422][ T7704] ip6_route_info_create+0xf18/0x17d0 [10777.735422][ T7704] ip6_route_add+0x1c/0x140 [10777.735422][ T7704] addrconf_prefix_route+0x2a6/0x430 [10777.735422][ T7704] inet6_addr_add+0x4f8/0xa40 [10777.735422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10777.735422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10777.735422][ T7704] netlink_rcv_skb+0x130/0x360 [10777.735422][ T7704] netlink_unicast+0x449/0x710 [10777.735422][ T7704] netlink_sendmsg+0x723/0xbe0 [10777.735422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10777.735422][ T7704] ___sys_sendmsg+0xee/0x170 [10777.735422][ T7704] __sys_sendmsg+0xcd/0x170 [10777.735422][ T7704] do_syscall_64+0xc6/0x1e0 [10777.735422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10777.735422][ T7704] [10777.737995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10777.737995][ T7704] netdev_get_by_index+0x5e/0x80 [10777.737995][ T7704] fib6_nh_init+0x3d8/0x15b0 [10777.737995][ T7704] ip6_route_info_create+0xf18/0x17d0 [10777.737995][ T7704] addrconf_f6i_alloc+0x315/0x560 [10777.737995][ T7704] ipv6_add_addr+0x411/0x2000 [10777.737995][ T7704] inet6_addr_add+0x30e/0xa40 [10777.737995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10777.737995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10777.737995][ T7704] netlink_rcv_skb+0x130/0x360 [10777.737995][ T7704] netlink_unicast+0x449/0x710 [10777.737995][ T7704] netlink_sendmsg+0x723/0xbe0 [10777.737995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10777.737995][ T7704] ___sys_sendmsg+0xee/0x170 [10777.737995][ T7704] __sys_sendmsg+0xcd/0x170 [10777.737995][ T7704] do_syscall_64+0xc6/0x1e0 [10777.737995][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10777.737995][ T7704] [10777.740527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10777.740527][ T7704] netdev_get_by_index+0x5e/0x80 [10777.740527][ T7704] fib6_nh_init+0x3d8/0x15b0 [10777.740527][ T7704] ip6_route_info_create+0xf18/0x17d0 [10777.740527][ T7704] ip6_route_add+0x1c/0x140 [10777.740527][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10777.740527][ T7704] addrconf_add_dev+0xe2/0x170 [10777.740527][ T7704] inet6_addr_add+0x12f/0xa40 [10777.740527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10777.740527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10777.740527][ T7704] netlink_rcv_skb+0x130/0x360 [10777.740527][ T7704] netlink_unicast+0x449/0x710 [10777.740527][ T7704] netlink_sendmsg+0x723/0xbe0 [10777.740527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10777.740527][ T7704] ___sys_sendmsg+0xee/0x170 [10777.740527][ T7704] __sys_sendmsg+0xcd/0x170 [10777.740527][ T7704] do_syscall_64+0xc6/0x1e0 [10777.740527][ T7704] [10777.742990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10777.742990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10777.742990][ T7704] ipv6_find_idev+0x102/0x170 [10777.742990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10777.742990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10777.742990][ T7704] netlink_rcv_skb+0x130/0x360 [10777.742990][ T7704] netlink_unicast+0x449/0x710 [10777.742990][ T7704] netlink_sendmsg+0x723/0xbe0 [10777.742990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10777.742990][ T7704] ___sys_sendmsg+0xee/0x170 [10777.742990][ T7704] __sys_sendmsg+0xcd/0x170 [10777.742990][ T7704] do_syscall_64+0xc6/0x1e0 [10777.742990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10777.742990][ T7704] [10777.744917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10777.744917][ T7704] neigh_parms_alloc+0x1e5/0x510 [10777.744917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10777.744917][ T7704] ipv6_find_idev+0x102/0x170 [10777.744917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10777.744917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10777.744917][ T7704] netlink_rcv_skb+0x130/0x360 [10777.744917][ T7704] netlink_unicast+0x449/0x710 [10777.744917][ T7704] netlink_sendmsg+0x723/0xbe0 [10777.744917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10777.744917][ T7704] ___sys_sendmsg+0xee/0x170 [10777.744917][ T7704] __sys_sendmsg+0xcd/0x170 [10777.744917][ T7704] do_syscall_64+0xc6/0x1e0 [10777.744917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10777.744917][ T7704] [10787.958937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10787.959410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10787.959410][ T7704] netdev_get_by_index+0x5e/0x80 [10787.959410][ T7704] fib6_nh_init+0x3d8/0x15b0 [10787.959410][ T7704] ip6_route_info_create+0xf18/0x17d0 [10787.959410][ T7704] ip6_route_add+0x1c/0x140 [10787.959410][ T7704] addrconf_prefix_route+0x2a6/0x430 [10787.959410][ T7704] inet6_addr_add+0x4f8/0xa40 [10787.959410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10787.959410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10787.959410][ T7704] netlink_rcv_skb+0x130/0x360 [10787.959410][ T7704] netlink_unicast+0x449/0x710 [10787.959410][ T7704] netlink_sendmsg+0x723/0xbe0 [10787.959410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10787.959410][ T7704] ___sys_sendmsg+0xee/0x170 [10787.959410][ T7704] __sys_sendmsg+0xcd/0x170 [10787.959410][ T7704] do_syscall_64+0xc6/0x1e0 [10787.959410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10787.959410][ T7704] [10787.961706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10787.961706][ T7704] netdev_get_by_index+0x5e/0x80 [10787.961706][ T7704] fib6_nh_init+0x3d8/0x15b0 [10787.961706][ T7704] ip6_route_info_create+0xf18/0x17d0 [10787.961706][ T7704] addrconf_f6i_alloc+0x315/0x560 [10787.961706][ T7704] ipv6_add_addr+0x411/0x2000 [10787.961706][ T7704] inet6_addr_add+0x30e/0xa40 [10787.961706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10787.961706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10787.961706][ T7704] netlink_rcv_skb+0x130/0x360 [10787.961706][ T7704] netlink_unicast+0x449/0x710 [10787.961706][ T7704] netlink_sendmsg+0x723/0xbe0 [10787.961706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10787.961706][ T7704] ___sys_sendmsg+0xee/0x170 [10787.961706][ T7704] __sys_sendmsg+0xcd/0x170 [10787.961706][ T7704] do_syscall_64+0xc6/0x1e0 [10787.961706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10787.961706][ T7704] [10787.963941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10787.963941][ T7704] netdev_get_by_index+0x5e/0x80 [10787.963941][ T7704] fib6_nh_init+0x3d8/0x15b0 [10787.963941][ T7704] ip6_route_info_create+0xf18/0x17d0 [10787.963941][ T7704] ip6_route_add+0x1c/0x140 [10787.963941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10787.963941][ T7704] addrconf_add_dev+0xe2/0x170 [10787.963941][ T7704] inet6_addr_add+0x12f/0xa40 [10787.963941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10787.963941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10787.963941][ T7704] netlink_rcv_skb+0x130/0x360 [10787.963941][ T7704] netlink_unicast+0x449/0x710 [10787.963941][ T7704] netlink_sendmsg+0x723/0xbe0 [10787.963941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10787.963941][ T7704] ___sys_sendmsg+0xee/0x170 [10787.963941][ T7704] __sys_sendmsg+0xcd/0x170 [10787.963941][ T7704] do_syscall_64+0xc6/0x1e0 [10787.963941][ T7704] [10787.966205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10787.966205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10787.966205][ T7704] ipv6_find_idev+0x102/0x170 [10787.966205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10787.966205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10787.966205][ T7704] netlink_rcv_skb+0x130/0x360 [10787.966205][ T7704] netlink_unicast+0x449/0x710 [10787.966205][ T7704] netlink_sendmsg+0x723/0xbe0 [10787.966205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10787.966205][ T7704] ___sys_sendmsg+0xee/0x170 [10787.966205][ T7704] __sys_sendmsg+0xcd/0x170 [10787.966205][ T7704] do_syscall_64+0xc6/0x1e0 [10787.966205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10787.966205][ T7704] [10787.968212][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10787.968212][ T7704] neigh_parms_alloc+0x1e5/0x510 [10787.968212][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10787.968212][ T7704] ipv6_find_idev+0x102/0x170 [10787.968212][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10787.968212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10787.968212][ T7704] netlink_rcv_skb+0x130/0x360 [10787.968212][ T7704] netlink_unicast+0x449/0x710 [10787.968212][ T7704] netlink_sendmsg+0x723/0xbe0 [10787.968212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10787.968212][ T7704] ___sys_sendmsg+0xee/0x170 [10787.968212][ T7704] __sys_sendmsg+0xcd/0x170 [10787.968212][ T7704] do_syscall_64+0xc6/0x1e0 [10787.968212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10787.968212][ T7704] [10798.103036][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10798.103530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10798.103530][ T7704] netdev_get_by_index+0x5e/0x80 [10798.103530][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.103530][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.103530][ T7704] ip6_route_add+0x1c/0x140 [10798.103530][ T7704] addrconf_prefix_route+0x2a6/0x430 [10798.103530][ T7704] inet6_addr_add+0x4f8/0xa40 [10798.103530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.103530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.103530][ T7704] netlink_rcv_skb+0x130/0x360 [10798.103530][ T7704] netlink_unicast+0x449/0x710 [10798.103530][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.103530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.103530][ T7704] ___sys_sendmsg+0xee/0x170 [10798.103530][ T7704] __sys_sendmsg+0xcd/0x170 [10798.103530][ T7704] do_syscall_64+0xc6/0x1e0 [10798.103530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.103530][ T7704] [10798.106092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10798.106092][ T7704] netdev_get_by_index+0x5e/0x80 [10798.106092][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.106092][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.106092][ T7704] addrconf_f6i_alloc+0x315/0x560 [10798.106092][ T7704] ipv6_add_addr+0x411/0x2000 [10798.106092][ T7704] inet6_addr_add+0x30e/0xa40 [10798.106092][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.106092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.106092][ T7704] netlink_rcv_skb+0x130/0x360 [10798.106092][ T7704] netlink_unicast+0x449/0x710 [10798.106092][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.106092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.106092][ T7704] ___sys_sendmsg+0xee/0x170 [10798.106092][ T7704] __sys_sendmsg+0xcd/0x170 [10798.106092][ T7704] do_syscall_64+0xc6/0x1e0 [10798.106092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.106092][ T7704] [10798.108581][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10798.108581][ T7704] netdev_get_by_index+0x5e/0x80 [10798.108581][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.108581][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.108581][ T7704] ip6_route_add+0x1c/0x140 [10798.108581][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10798.108581][ T7704] addrconf_add_dev+0xe2/0x170 [10798.108581][ T7704] inet6_addr_add+0x12f/0xa40 [10798.108581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.108581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.108581][ T7704] netlink_rcv_skb+0x130/0x360 [10798.108581][ T7704] netlink_unicast+0x449/0x710 [10798.108581][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.108581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.108581][ T7704] ___sys_sendmsg+0xee/0x170 [10798.108581][ T7704] __sys_sendmsg+0xcd/0x170 [10798.108581][ T7704] do_syscall_64+0xc6/0x1e0 [10798.108581][ T7704] [10798.111073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10798.111073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10798.111073][ T7704] ipv6_find_idev+0x102/0x170 [10798.111073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10798.111073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.111073][ T7704] netlink_rcv_skb+0x130/0x360 [10798.111073][ T7704] netlink_unicast+0x449/0x710 [10798.111073][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.111073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.111073][ T7704] ___sys_sendmsg+0xee/0x170 [10798.111073][ T7704] __sys_sendmsg+0xcd/0x170 [10798.111073][ T7704] do_syscall_64+0xc6/0x1e0 [10798.111073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.111073][ T7704] [10798.113006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10798.113006][ T7704] neigh_parms_alloc+0x1e5/0x510 [10798.113006][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10798.113006][ T7704] ipv6_find_idev+0x102/0x170 [10798.113006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10798.113006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.113006][ T7704] netlink_rcv_skb+0x130/0x360 [10798.113006][ T7704] netlink_unicast+0x449/0x710 [10798.113006][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.113006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.113006][ T7704] ___sys_sendmsg+0xee/0x170 [10798.113006][ T7704] __sys_sendmsg+0xcd/0x170 [10798.113006][ T7704] do_syscall_64+0xc6/0x1e0 [10798.113006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.113006][ T7704] [10808.214996][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10808.215648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10808.215648][ T7704] netdev_get_by_index+0x5e/0x80 [10808.215648][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.215648][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.215648][ T7704] ip6_route_add+0x1c/0x140 [10808.215648][ T7704] addrconf_prefix_route+0x2a6/0x430 [10808.215648][ T7704] inet6_addr_add+0x4f8/0xa40 [10808.215648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.215648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.215648][ T7704] netlink_rcv_skb+0x130/0x360 [10808.215648][ T7704] netlink_unicast+0x449/0x710 [10808.215648][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.215648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.215648][ T7704] ___sys_sendmsg+0xee/0x170 [10808.215648][ T7704] __sys_sendmsg+0xcd/0x170 [10808.215648][ T7704] do_syscall_64+0xc6/0x1e0 [10808.215648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.215648][ T7704] [10808.219267][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10808.219267][ T7704] netdev_get_by_index+0x5e/0x80 [10808.219267][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.219267][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.219267][ T7704] addrconf_f6i_alloc+0x315/0x560 [10808.219267][ T7704] ipv6_add_addr+0x411/0x2000 [10808.219267][ T7704] inet6_addr_add+0x30e/0xa40 [10808.219267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.219267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.219267][ T7704] netlink_rcv_skb+0x130/0x360 [10808.219267][ T7704] netlink_unicast+0x449/0x710 [10808.219267][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.219267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.219267][ T7704] ___sys_sendmsg+0xee/0x170 [10808.219267][ T7704] __sys_sendmsg+0xcd/0x170 [10808.219267][ T7704] do_syscall_64+0xc6/0x1e0 [10808.219267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.219267][ T7704] [10808.222877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10808.222877][ T7704] netdev_get_by_index+0x5e/0x80 [10808.222877][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.222877][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.222877][ T7704] ip6_route_add+0x1c/0x140 [10808.222877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10808.222877][ T7704] addrconf_add_dev+0xe2/0x170 [10808.222877][ T7704] inet6_addr_add+0x12f/0xa40 [10808.222877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.222877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.222877][ T7704] netlink_rcv_skb+0x130/0x360 [10808.222877][ T7704] netlink_unicast+0x449/0x710 [10808.222877][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.222877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.222877][ T7704] ___sys_sendmsg+0xee/0x170 [10808.222877][ T7704] __sys_sendmsg+0xcd/0x170 [10808.222877][ T7704] do_syscall_64+0xc6/0x1e0 [10808.222877][ T7704] [10808.226183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10808.226183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10808.226183][ T7704] ipv6_find_idev+0x102/0x170 [10808.226183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10808.226183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.226183][ T7704] netlink_rcv_skb+0x130/0x360 [10808.226183][ T7704] netlink_unicast+0x449/0x710 [10808.226183][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.226183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.226183][ T7704] ___sys_sendmsg+0xee/0x170 [10808.226183][ T7704] __sys_sendmsg+0xcd/0x170 [10808.226183][ T7704] do_syscall_64+0xc6/0x1e0 [10808.226183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.226183][ T7704] [10808.228878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10808.228878][ T7704] neigh_parms_alloc+0x1e5/0x510 [10808.228878][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10808.228878][ T7704] ipv6_find_idev+0x102/0x170 [10808.228878][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10808.228878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.228878][ T7704] netlink_rcv_skb+0x130/0x360 [10808.228878][ T7704] netlink_unicast+0x449/0x710 [10808.228878][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.228878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.228878][ T7704] ___sys_sendmsg+0xee/0x170 [10808.228878][ T7704] __sys_sendmsg+0xcd/0x170 [10808.228878][ T7704] do_syscall_64+0xc6/0x1e0 [10808.228878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.228878][ T7704] [10818.486905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10818.487419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10818.487419][ T7704] netdev_get_by_index+0x5e/0x80 [10818.487419][ T7704] fib6_nh_init+0x3d8/0x15b0 [10818.487419][ T7704] ip6_route_info_create+0xf18/0x17d0 [10818.487419][ T7704] ip6_route_add+0x1c/0x140 [10818.487419][ T7704] addrconf_prefix_route+0x2a6/0x430 [10818.487419][ T7704] inet6_addr_add+0x4f8/0xa40 [10818.487419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10818.487419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10818.487419][ T7704] netlink_rcv_skb+0x130/0x360 [10818.487419][ T7704] netlink_unicast+0x449/0x710 [10818.487419][ T7704] netlink_sendmsg+0x723/0xbe0 [10818.487419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10818.487419][ T7704] ___sys_sendmsg+0xee/0x170 [10818.487419][ T7704] __sys_sendmsg+0xcd/0x170 [10818.487419][ T7704] do_syscall_64+0xc6/0x1e0 [10818.487419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10818.487419][ T7704] [10818.490095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10818.490095][ T7704] netdev_get_by_index+0x5e/0x80 [10818.490095][ T7704] fib6_nh_init+0x3d8/0x15b0 [10818.490095][ T7704] ip6_route_info_create+0xf18/0x17d0 [10818.490095][ T7704] addrconf_f6i_alloc+0x315/0x560 [10818.490095][ T7704] ipv6_add_addr+0x411/0x2000 [10818.490095][ T7704] inet6_addr_add+0x30e/0xa40 [10818.490095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10818.490095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10818.490095][ T7704] netlink_rcv_skb+0x130/0x360 [10818.490095][ T7704] netlink_unicast+0x449/0x710 [10818.490095][ T7704] netlink_sendmsg+0x723/0xbe0 [10818.490095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10818.490095][ T7704] ___sys_sendmsg+0xee/0x170 [10818.490095][ T7704] __sys_sendmsg+0xcd/0x170 [10818.490095][ T7704] do_syscall_64+0xc6/0x1e0 [10818.490095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10818.490095][ T7704] [10818.492502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10818.492502][ T7704] netdev_get_by_index+0x5e/0x80 [10818.492502][ T7704] fib6_nh_init+0x3d8/0x15b0 [10818.492502][ T7704] ip6_route_info_create+0xf18/0x17d0 [10818.492502][ T7704] ip6_route_add+0x1c/0x140 [10818.492502][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10818.492502][ T7704] addrconf_add_dev+0xe2/0x170 [10818.492502][ T7704] inet6_addr_add+0x12f/0xa40 [10818.492502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10818.492502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10818.492502][ T7704] netlink_rcv_skb+0x130/0x360 [10818.492502][ T7704] netlink_unicast+0x449/0x710 [10818.492502][ T7704] netlink_sendmsg+0x723/0xbe0 [10818.492502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10818.492502][ T7704] ___sys_sendmsg+0xee/0x170 [10818.492502][ T7704] __sys_sendmsg+0xcd/0x170 [10818.492502][ T7704] do_syscall_64+0xc6/0x1e0 [10818.492502][ T7704] [10818.494965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10818.494965][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10818.494965][ T7704] ipv6_find_idev+0x102/0x170 [10818.494965][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10818.494965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10818.494965][ T7704] netlink_rcv_skb+0x130/0x360 [10818.494965][ T7704] netlink_unicast+0x449/0x710 [10818.494965][ T7704] netlink_sendmsg+0x723/0xbe0 [10818.494965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10818.494965][ T7704] ___sys_sendmsg+0xee/0x170 [10818.494965][ T7704] __sys_sendmsg+0xcd/0x170 [10818.494965][ T7704] do_syscall_64+0xc6/0x1e0 [10818.494965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10818.494965][ T7704] [10818.496818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10818.496818][ T7704] neigh_parms_alloc+0x1e5/0x510 [10818.496818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10818.496818][ T7704] ipv6_find_idev+0x102/0x170 [10818.496818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10818.496818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10818.496818][ T7704] netlink_rcv_skb+0x130/0x360 [10818.496818][ T7704] netlink_unicast+0x449/0x710 [10818.496818][ T7704] netlink_sendmsg+0x723/0xbe0 [10818.496818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10818.496818][ T7704] ___sys_sendmsg+0xee/0x170 [10818.496818][ T7704] __sys_sendmsg+0xcd/0x170 [10818.496818][ T7704] do_syscall_64+0xc6/0x1e0 [10818.496818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10818.496818][ T7704] [10828.750956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10828.751474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10828.751474][ T7704] netdev_get_by_index+0x5e/0x80 [10828.751474][ T7704] fib6_nh_init+0x3d8/0x15b0 [10828.751474][ T7704] ip6_route_info_create+0xf18/0x17d0 [10828.751474][ T7704] ip6_route_add+0x1c/0x140 [10828.751474][ T7704] addrconf_prefix_route+0x2a6/0x430 [10828.751474][ T7704] inet6_addr_add+0x4f8/0xa40 [10828.751474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10828.751474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10828.751474][ T7704] netlink_rcv_skb+0x130/0x360 [10828.751474][ T7704] netlink_unicast+0x449/0x710 [10828.751474][ T7704] netlink_sendmsg+0x723/0xbe0 [10828.751474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10828.751474][ T7704] ___sys_sendmsg+0xee/0x170 [10828.751474][ T7704] __sys_sendmsg+0xcd/0x170 [10828.751474][ T7704] do_syscall_64+0xc6/0x1e0 [10828.751474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10828.751474][ T7704] [10828.753746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10828.753746][ T7704] netdev_get_by_index+0x5e/0x80 [10828.753746][ T7704] fib6_nh_init+0x3d8/0x15b0 [10828.753746][ T7704] ip6_route_info_create+0xf18/0x17d0 [10828.753746][ T7704] addrconf_f6i_alloc+0x315/0x560 [10828.753746][ T7704] ipv6_add_addr+0x411/0x2000 [10828.753746][ T7704] inet6_addr_add+0x30e/0xa40 [10828.753746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10828.753746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10828.753746][ T7704] netlink_rcv_skb+0x130/0x360 [10828.753746][ T7704] netlink_unicast+0x449/0x710 [10828.753746][ T7704] netlink_sendmsg+0x723/0xbe0 [10828.753746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10828.753746][ T7704] ___sys_sendmsg+0xee/0x170 [10828.753746][ T7704] __sys_sendmsg+0xcd/0x170 [10828.753746][ T7704] do_syscall_64+0xc6/0x1e0 [10828.753746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10828.753746][ T7704] [10828.755997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10828.755997][ T7704] netdev_get_by_index+0x5e/0x80 [10828.755997][ T7704] fib6_nh_init+0x3d8/0x15b0 [10828.755997][ T7704] ip6_route_info_create+0xf18/0x17d0 [10828.755997][ T7704] ip6_route_add+0x1c/0x140 [10828.755997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10828.755997][ T7704] addrconf_add_dev+0xe2/0x170 [10828.755997][ T7704] inet6_addr_add+0x12f/0xa40 [10828.755997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10828.755997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10828.755997][ T7704] netlink_rcv_skb+0x130/0x360 [10828.755997][ T7704] netlink_unicast+0x449/0x710 [10828.755997][ T7704] netlink_sendmsg+0x723/0xbe0 [10828.755997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10828.755997][ T7704] ___sys_sendmsg+0xee/0x170 [10828.755997][ T7704] __sys_sendmsg+0xcd/0x170 [10828.755997][ T7704] do_syscall_64+0xc6/0x1e0 [10828.755997][ T7704] [10828.758200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10828.758200][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10828.758200][ T7704] ipv6_find_idev+0x102/0x170 [10828.758200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10828.758200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10828.758200][ T7704] netlink_rcv_skb+0x130/0x360 [10828.758200][ T7704] netlink_unicast+0x449/0x710 [10828.758200][ T7704] netlink_sendmsg+0x723/0xbe0 [10828.758200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10828.758200][ T7704] ___sys_sendmsg+0xee/0x170 [10828.758200][ T7704] __sys_sendmsg+0xcd/0x170 [10828.758200][ T7704] do_syscall_64+0xc6/0x1e0 [10828.758200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10828.758200][ T7704] [10828.759957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10828.759957][ T7704] neigh_parms_alloc+0x1e5/0x510 [10828.759957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10828.759957][ T7704] ipv6_find_idev+0x102/0x170 [10828.759957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10828.759957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10828.759957][ T7704] netlink_rcv_skb+0x130/0x360 [10828.759957][ T7704] netlink_unicast+0x449/0x710 [10828.759957][ T7704] netlink_sendmsg+0x723/0xbe0 [10828.759957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10828.759957][ T7704] ___sys_sendmsg+0xee/0x170 [10828.759957][ T7704] __sys_sendmsg+0xcd/0x170 [10828.759957][ T7704] do_syscall_64+0xc6/0x1e0 [10828.759957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10828.759957][ T7704] [10839.014956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10839.015545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10839.015545][ T7704] netdev_get_by_index+0x5e/0x80 [10839.015545][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.015545][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.015545][ T7704] ip6_route_add+0x1c/0x140 [10839.015545][ T7704] addrconf_prefix_route+0x2a6/0x430 [10839.015545][ T7704] inet6_addr_add+0x4f8/0xa40 [10839.015545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.015545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.015545][ T7704] netlink_rcv_skb+0x130/0x360 [10839.015545][ T7704] netlink_unicast+0x449/0x710 [10839.015545][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.015545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.015545][ T7704] ___sys_sendmsg+0xee/0x170 [10839.015545][ T7704] __sys_sendmsg+0xcd/0x170 [10839.015545][ T7704] do_syscall_64+0xc6/0x1e0 [10839.015545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.015545][ T7704] [10839.018397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10839.018397][ T7704] netdev_get_by_index+0x5e/0x80 [10839.018397][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.018397][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.018397][ T7704] addrconf_f6i_alloc+0x315/0x560 [10839.018397][ T7704] ipv6_add_addr+0x411/0x2000 [10839.018397][ T7704] inet6_addr_add+0x30e/0xa40 [10839.018397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.018397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.018397][ T7704] netlink_rcv_skb+0x130/0x360 [10839.018397][ T7704] netlink_unicast+0x449/0x710 [10839.018397][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.018397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.018397][ T7704] ___sys_sendmsg+0xee/0x170 [10839.018397][ T7704] __sys_sendmsg+0xcd/0x170 [10839.018397][ T7704] do_syscall_64+0xc6/0x1e0 [10839.018397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.018397][ T7704] [10839.021175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10839.021175][ T7704] netdev_get_by_index+0x5e/0x80 [10839.021175][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.021175][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.021175][ T7704] ip6_route_add+0x1c/0x140 [10839.021175][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10839.021175][ T7704] addrconf_add_dev+0xe2/0x170 [10839.021175][ T7704] inet6_addr_add+0x12f/0xa40 [10839.021175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.021175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.021175][ T7704] netlink_rcv_skb+0x130/0x360 [10839.021175][ T7704] netlink_unicast+0x449/0x710 [10839.021175][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.021175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.021175][ T7704] ___sys_sendmsg+0xee/0x170 [10839.021175][ T7704] __sys_sendmsg+0xcd/0x170 [10839.021175][ T7704] do_syscall_64+0xc6/0x1e0 [10839.021175][ T7704] [10839.023882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10839.023882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10839.023882][ T7704] ipv6_find_idev+0x102/0x170 [10839.023882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10839.023882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.023882][ T7704] netlink_rcv_skb+0x130/0x360 [10839.023882][ T7704] netlink_unicast+0x449/0x710 [10839.023882][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.023882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.023882][ T7704] ___sys_sendmsg+0xee/0x170 [10839.023882][ T7704] __sys_sendmsg+0xcd/0x170 [10839.023882][ T7704] do_syscall_64+0xc6/0x1e0 [10839.023882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.023882][ T7704] [10839.026005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10839.026005][ T7704] neigh_parms_alloc+0x1e5/0x510 [10839.026005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10839.026005][ T7704] ipv6_find_idev+0x102/0x170 [10839.026005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10839.026005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.026005][ T7704] netlink_rcv_skb+0x130/0x360 [10839.026005][ T7704] netlink_unicast+0x449/0x710 [10839.026005][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.026005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.026005][ T7704] ___sys_sendmsg+0xee/0x170 [10839.026005][ T7704] __sys_sendmsg+0xcd/0x170 [10839.026005][ T7704] do_syscall_64+0xc6/0x1e0 [10839.026005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.026005][ T7704] [10849.119021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10849.119842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10849.119842][ T7704] netdev_get_by_index+0x5e/0x80 [10849.119842][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.119842][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.119842][ T7704] ip6_route_add+0x1c/0x140 [10849.119842][ T7704] addrconf_prefix_route+0x2a6/0x430 [10849.119842][ T7704] inet6_addr_add+0x4f8/0xa40 [10849.119842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.119842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.119842][ T7704] netlink_rcv_skb+0x130/0x360 [10849.119842][ T7704] netlink_unicast+0x449/0x710 [10849.119842][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.119842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.119842][ T7704] ___sys_sendmsg+0xee/0x170 [10849.119842][ T7704] __sys_sendmsg+0xcd/0x170 [10849.119842][ T7704] do_syscall_64+0xc6/0x1e0 [10849.119842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.119842][ T7704] [10849.122043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10849.122043][ T7704] netdev_get_by_index+0x5e/0x80 [10849.122043][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.122043][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.122043][ T7704] addrconf_f6i_alloc+0x315/0x560 [10849.122043][ T7704] ipv6_add_addr+0x411/0x2000 [10849.122043][ T7704] inet6_addr_add+0x30e/0xa40 [10849.122043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.122043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.122043][ T7704] netlink_rcv_skb+0x130/0x360 [10849.122043][ T7704] netlink_unicast+0x449/0x710 [10849.122043][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.122043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.122043][ T7704] ___sys_sendmsg+0xee/0x170 [10849.122043][ T7704] __sys_sendmsg+0xcd/0x170 [10849.122043][ T7704] do_syscall_64+0xc6/0x1e0 [10849.122043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.122043][ T7704] [10849.124231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10849.124231][ T7704] netdev_get_by_index+0x5e/0x80 [10849.124231][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.124231][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.124231][ T7704] ip6_route_add+0x1c/0x140 [10849.124231][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10849.124231][ T7704] addrconf_add_dev+0xe2/0x170 [10849.124231][ T7704] inet6_addr_add+0x12f/0xa40 [10849.124231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.124231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.124231][ T7704] netlink_rcv_skb+0x130/0x360 [10849.124231][ T7704] netlink_unicast+0x449/0x710 [10849.124231][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.124231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.124231][ T7704] ___sys_sendmsg+0xee/0x170 [10849.124231][ T7704] __sys_sendmsg+0xcd/0x170 [10849.124231][ T7704] do_syscall_64+0xc6/0x1e0 [10849.124231][ T7704] [10849.126381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10849.126381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10849.126381][ T7704] ipv6_find_idev+0x102/0x170 [10849.126381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10849.126381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.126381][ T7704] netlink_rcv_skb+0x130/0x360 [10849.126381][ T7704] netlink_unicast+0x449/0x710 [10849.126381][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.126381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.126381][ T7704] ___sys_sendmsg+0xee/0x170 [10849.126381][ T7704] __sys_sendmsg+0xcd/0x170 [10849.126381][ T7704] do_syscall_64+0xc6/0x1e0 [10849.126381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.126381][ T7704] [10849.128126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10849.128126][ T7704] neigh_parms_alloc+0x1e5/0x510 [10849.128126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10849.128126][ T7704] ipv6_find_idev+0x102/0x170 [10849.128126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10849.128126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.128126][ T7704] netlink_rcv_skb+0x130/0x360 [10849.128126][ T7704] netlink_unicast+0x449/0x710 [10849.128126][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.128126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.128126][ T7704] ___sys_sendmsg+0xee/0x170 [10849.128126][ T7704] __sys_sendmsg+0xcd/0x170 [10849.128126][ T7704] do_syscall_64+0xc6/0x1e0 [10849.128126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.128126][ T7704] [10859.366888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10859.367436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10859.367436][ T7704] netdev_get_by_index+0x5e/0x80 [10859.367436][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.367436][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.367436][ T7704] ip6_route_add+0x1c/0x140 [10859.367436][ T7704] addrconf_prefix_route+0x2a6/0x430 [10859.367436][ T7704] inet6_addr_add+0x4f8/0xa40 [10859.367436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.367436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.367436][ T7704] netlink_rcv_skb+0x130/0x360 [10859.367436][ T7704] netlink_unicast+0x449/0x710 [10859.367436][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.367436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.367436][ T7704] ___sys_sendmsg+0xee/0x170 [10859.367436][ T7704] __sys_sendmsg+0xcd/0x170 [10859.367436][ T7704] do_syscall_64+0xc6/0x1e0 [10859.367436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.367436][ T7704] [10859.369737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10859.369737][ T7704] netdev_get_by_index+0x5e/0x80 [10859.369737][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.369737][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.369737][ T7704] addrconf_f6i_alloc+0x315/0x560 [10859.369737][ T7704] ipv6_add_addr+0x411/0x2000 [10859.369737][ T7704] inet6_addr_add+0x30e/0xa40 [10859.369737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.369737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.369737][ T7704] netlink_rcv_skb+0x130/0x360 [10859.369737][ T7704] netlink_unicast+0x449/0x710 [10859.369737][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.369737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.369737][ T7704] ___sys_sendmsg+0xee/0x170 [10859.369737][ T7704] __sys_sendmsg+0xcd/0x170 [10859.369737][ T7704] do_syscall_64+0xc6/0x1e0 [10859.369737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.369737][ T7704] [10859.371973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10859.371973][ T7704] netdev_get_by_index+0x5e/0x80 [10859.371973][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.371973][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.371973][ T7704] ip6_route_add+0x1c/0x140 [10859.371973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10859.371973][ T7704] addrconf_add_dev+0xe2/0x170 [10859.371973][ T7704] inet6_addr_add+0x12f/0xa40 [10859.371973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.371973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.371973][ T7704] netlink_rcv_skb+0x130/0x360 [10859.371973][ T7704] netlink_unicast+0x449/0x710 [10859.371973][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.371973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.371973][ T7704] ___sys_sendmsg+0xee/0x170 [10859.371973][ T7704] __sys_sendmsg+0xcd/0x170 [10859.371973][ T7704] do_syscall_64+0xc6/0x1e0 [10859.371973][ T7704] [10859.374170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10859.374170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10859.374170][ T7704] ipv6_find_idev+0x102/0x170 [10859.374170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10859.374170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.374170][ T7704] netlink_rcv_skb+0x130/0x360 [10859.374170][ T7704] netlink_unicast+0x449/0x710 [10859.374170][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.374170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.374170][ T7704] ___sys_sendmsg+0xee/0x170 [10859.374170][ T7704] __sys_sendmsg+0xcd/0x170 [10859.374170][ T7704] do_syscall_64+0xc6/0x1e0 [10859.374170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.374170][ T7704] [10859.375906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10859.375906][ T7704] neigh_parms_alloc+0x1e5/0x510 [10859.375906][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10859.375906][ T7704] ipv6_find_idev+0x102/0x170 [10859.375906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10859.375906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.375906][ T7704] netlink_rcv_skb+0x130/0x360 [10859.375906][ T7704] netlink_unicast+0x449/0x710 [10859.375906][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.375906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.375906][ T7704] ___sys_sendmsg+0xee/0x170 [10859.375906][ T7704] __sys_sendmsg+0xcd/0x170 [10859.375906][ T7704] do_syscall_64+0xc6/0x1e0 [10859.375906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.375906][ T7704] [10869.382949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10869.383471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10869.383471][ T7704] netdev_get_by_index+0x5e/0x80 [10869.383471][ T7704] fib6_nh_init+0x3d8/0x15b0 [10869.383471][ T7704] ip6_route_info_create+0xf18/0x17d0 [10869.383471][ T7704] ip6_route_add+0x1c/0x140 [10869.383471][ T7704] addrconf_prefix_route+0x2a6/0x430 [10869.383471][ T7704] inet6_addr_add+0x4f8/0xa40 [10869.383471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10869.383471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10869.383471][ T7704] netlink_rcv_skb+0x130/0x360 [10869.383471][ T7704] netlink_unicast+0x449/0x710 [10869.383471][ T7704] netlink_sendmsg+0x723/0xbe0 [10869.383471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10869.383471][ T7704] ___sys_sendmsg+0xee/0x170 [10869.383471][ T7704] __sys_sendmsg+0xcd/0x170 [10869.383471][ T7704] do_syscall_64+0xc6/0x1e0 [10869.383471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10869.383471][ T7704] [10869.385759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10869.385759][ T7704] netdev_get_by_index+0x5e/0x80 [10869.385759][ T7704] fib6_nh_init+0x3d8/0x15b0 [10869.385759][ T7704] ip6_route_info_create+0xf18/0x17d0 [10869.385759][ T7704] addrconf_f6i_alloc+0x315/0x560 [10869.385759][ T7704] ipv6_add_addr+0x411/0x2000 [10869.385759][ T7704] inet6_addr_add+0x30e/0xa40 [10869.385759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10869.385759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10869.385759][ T7704] netlink_rcv_skb+0x130/0x360 [10869.385759][ T7704] netlink_unicast+0x449/0x710 [10869.385759][ T7704] netlink_sendmsg+0x723/0xbe0 [10869.385759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10869.385759][ T7704] ___sys_sendmsg+0xee/0x170 [10869.385759][ T7704] __sys_sendmsg+0xcd/0x170 [10869.385759][ T7704] do_syscall_64+0xc6/0x1e0 [10869.385759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10869.385759][ T7704] [10869.387997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10869.387997][ T7704] netdev_get_by_index+0x5e/0x80 [10869.387997][ T7704] fib6_nh_init+0x3d8/0x15b0 [10869.387997][ T7704] ip6_route_info_create+0xf18/0x17d0 [10869.387997][ T7704] ip6_route_add+0x1c/0x140 [10869.387997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10869.387997][ T7704] addrconf_add_dev+0xe2/0x170 [10869.387997][ T7704] inet6_addr_add+0x12f/0xa40 [10869.387997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10869.387997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10869.387997][ T7704] netlink_rcv_skb+0x130/0x360 [10869.387997][ T7704] netlink_unicast+0x449/0x710 [10869.387997][ T7704] netlink_sendmsg+0x723/0xbe0 [10869.387997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10869.387997][ T7704] ___sys_sendmsg+0xee/0x170 [10869.387997][ T7704] __sys_sendmsg+0xcd/0x170 [10869.387997][ T7704] do_syscall_64+0xc6/0x1e0 [10869.387997][ T7704] [10869.390217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10869.390217][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10869.390217][ T7704] ipv6_find_idev+0x102/0x170 [10869.390217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10869.390217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10869.390217][ T7704] netlink_rcv_skb+0x130/0x360 [10869.390217][ T7704] netlink_unicast+0x449/0x710 [10869.390217][ T7704] netlink_sendmsg+0x723/0xbe0 [10869.390217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10869.390217][ T7704] ___sys_sendmsg+0xee/0x170 [10869.390217][ T7704] __sys_sendmsg+0xcd/0x170 [10869.390217][ T7704] do_syscall_64+0xc6/0x1e0 [10869.390217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10869.390217][ T7704] [10869.391947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10869.391947][ T7704] neigh_parms_alloc+0x1e5/0x510 [10869.391947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10869.391947][ T7704] ipv6_find_idev+0x102/0x170 [10869.391947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10869.391947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10869.391947][ T7704] netlink_rcv_skb+0x130/0x360 [10869.391947][ T7704] netlink_unicast+0x449/0x710 [10869.391947][ T7704] netlink_sendmsg+0x723/0xbe0 [10869.391947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10869.391947][ T7704] ___sys_sendmsg+0xee/0x170 [10869.391947][ T7704] __sys_sendmsg+0xcd/0x170 [10869.391947][ T7704] do_syscall_64+0xc6/0x1e0 [10869.391947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10869.391947][ T7704] [10879.606996][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10879.607569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10879.607569][ T7704] netdev_get_by_index+0x5e/0x80 [10879.607569][ T7704] fib6_nh_init+0x3d8/0x15b0 [10879.607569][ T7704] ip6_route_info_create+0xf18/0x17d0 [10879.607569][ T7704] ip6_route_add+0x1c/0x140 [10879.607569][ T7704] addrconf_prefix_route+0x2a6/0x430 [10879.607569][ T7704] inet6_addr_add+0x4f8/0xa40 [10879.607569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10879.607569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10879.607569][ T7704] netlink_rcv_skb+0x130/0x360 [10879.607569][ T7704] netlink_unicast+0x449/0x710 [10879.607569][ T7704] netlink_sendmsg+0x723/0xbe0 [10879.607569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10879.607569][ T7704] ___sys_sendmsg+0xee/0x170 [10879.607569][ T7704] __sys_sendmsg+0xcd/0x170 [10879.607569][ T7704] do_syscall_64+0xc6/0x1e0 [10879.607569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10879.607569][ T7704] [10879.609844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10879.609844][ T7704] netdev_get_by_index+0x5e/0x80 [10879.609844][ T7704] fib6_nh_init+0x3d8/0x15b0 [10879.609844][ T7704] ip6_route_info_create+0xf18/0x17d0 [10879.609844][ T7704] addrconf_f6i_alloc+0x315/0x560 [10879.609844][ T7704] ipv6_add_addr+0x411/0x2000 [10879.609844][ T7704] inet6_addr_add+0x30e/0xa40 [10879.609844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10879.609844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10879.609844][ T7704] netlink_rcv_skb+0x130/0x360 [10879.609844][ T7704] netlink_unicast+0x449/0x710 [10879.609844][ T7704] netlink_sendmsg+0x723/0xbe0 [10879.609844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10879.609844][ T7704] ___sys_sendmsg+0xee/0x170 [10879.609844][ T7704] __sys_sendmsg+0xcd/0x170 [10879.609844][ T7704] do_syscall_64+0xc6/0x1e0 [10879.609844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10879.609844][ T7704] [10879.612091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10879.612091][ T7704] netdev_get_by_index+0x5e/0x80 [10879.612091][ T7704] fib6_nh_init+0x3d8/0x15b0 [10879.612091][ T7704] ip6_route_info_create+0xf18/0x17d0 [10879.612091][ T7704] ip6_route_add+0x1c/0x140 [10879.612091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10879.612091][ T7704] addrconf_add_dev+0xe2/0x170 [10879.612091][ T7704] inet6_addr_add+0x12f/0xa40 [10879.612091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10879.612091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10879.612091][ T7704] netlink_rcv_skb+0x130/0x360 [10879.612091][ T7704] netlink_unicast+0x449/0x710 [10879.612091][ T7704] netlink_sendmsg+0x723/0xbe0 [10879.612091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10879.612091][ T7704] ___sys_sendmsg+0xee/0x170 [10879.612091][ T7704] __sys_sendmsg+0xcd/0x170 [10879.612091][ T7704] do_syscall_64+0xc6/0x1e0 [10879.612091][ T7704] [10879.614293][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10879.614293][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10879.614293][ T7704] ipv6_find_idev+0x102/0x170 [10879.614293][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10879.614293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10879.614293][ T7704] netlink_rcv_skb+0x130/0x360 [10879.614293][ T7704] netlink_unicast+0x449/0x710 [10879.614293][ T7704] netlink_sendmsg+0x723/0xbe0 [10879.614293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10879.614293][ T7704] ___sys_sendmsg+0xee/0x170 [10879.614293][ T7704] __sys_sendmsg+0xcd/0x170 [10879.614293][ T7704] do_syscall_64+0xc6/0x1e0 [10879.614293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10879.614293][ T7704] [10879.616005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10879.616005][ T7704] neigh_parms_alloc+0x1e5/0x510 [10879.616005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10879.616005][ T7704] ipv6_find_idev+0x102/0x170 [10879.616005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10879.616005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10879.616005][ T7704] netlink_rcv_skb+0x130/0x360 [10879.616005][ T7704] netlink_unicast+0x449/0x710 [10879.616005][ T7704] netlink_sendmsg+0x723/0xbe0 [10879.616005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10879.616005][ T7704] ___sys_sendmsg+0xee/0x170 [10879.616005][ T7704] __sys_sendmsg+0xcd/0x170 [10879.616005][ T7704] do_syscall_64+0xc6/0x1e0 [10879.616005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10879.616005][ T7704] [10889.855045][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10889.855530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10889.855530][ T7704] netdev_get_by_index+0x5e/0x80 [10889.855530][ T7704] fib6_nh_init+0x3d8/0x15b0 [10889.855530][ T7704] ip6_route_info_create+0xf18/0x17d0 [10889.855530][ T7704] ip6_route_add+0x1c/0x140 [10889.855530][ T7704] addrconf_prefix_route+0x2a6/0x430 [10889.855530][ T7704] inet6_addr_add+0x4f8/0xa40 [10889.855530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10889.855530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10889.855530][ T7704] netlink_rcv_skb+0x130/0x360 [10889.855530][ T7704] netlink_unicast+0x449/0x710 [10889.855530][ T7704] netlink_sendmsg+0x723/0xbe0 [10889.855530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10889.855530][ T7704] ___sys_sendmsg+0xee/0x170 [10889.855530][ T7704] __sys_sendmsg+0xcd/0x170 [10889.855530][ T7704] do_syscall_64+0xc6/0x1e0 [10889.855530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10889.855530][ T7704] [10889.857810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10889.857810][ T7704] netdev_get_by_index+0x5e/0x80 [10889.857810][ T7704] fib6_nh_init+0x3d8/0x15b0 [10889.857810][ T7704] ip6_route_info_create+0xf18/0x17d0 [10889.857810][ T7704] addrconf_f6i_alloc+0x315/0x560 [10889.857810][ T7704] ipv6_add_addr+0x411/0x2000 [10889.857810][ T7704] inet6_addr_add+0x30e/0xa40 [10889.857810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10889.857810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10889.857810][ T7704] netlink_rcv_skb+0x130/0x360 [10889.857810][ T7704] netlink_unicast+0x449/0x710 [10889.857810][ T7704] netlink_sendmsg+0x723/0xbe0 [10889.857810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10889.857810][ T7704] ___sys_sendmsg+0xee/0x170 [10889.857810][ T7704] __sys_sendmsg+0xcd/0x170 [10889.857810][ T7704] do_syscall_64+0xc6/0x1e0 [10889.857810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10889.857810][ T7704] [10889.860089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10889.860089][ T7704] netdev_get_by_index+0x5e/0x80 [10889.860089][ T7704] fib6_nh_init+0x3d8/0x15b0 [10889.860089][ T7704] ip6_route_info_create+0xf18/0x17d0 [10889.860089][ T7704] ip6_route_add+0x1c/0x140 [10889.860089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10889.860089][ T7704] addrconf_add_dev+0xe2/0x170 [10889.860089][ T7704] inet6_addr_add+0x12f/0xa40 [10889.860089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10889.860089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10889.860089][ T7704] netlink_rcv_skb+0x130/0x360 [10889.860089][ T7704] netlink_unicast+0x449/0x710 [10889.860089][ T7704] netlink_sendmsg+0x723/0xbe0 [10889.860089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10889.860089][ T7704] ___sys_sendmsg+0xee/0x170 [10889.860089][ T7704] __sys_sendmsg+0xcd/0x170 [10889.860089][ T7704] do_syscall_64+0xc6/0x1e0 [10889.860089][ T7704] [10889.862358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10889.862358][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10889.862358][ T7704] ipv6_find_idev+0x102/0x170 [10889.862358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10889.862358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10889.862358][ T7704] netlink_rcv_skb+0x130/0x360 [10889.862358][ T7704] netlink_unicast+0x449/0x710 [10889.862358][ T7704] netlink_sendmsg+0x723/0xbe0 [10889.862358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10889.862358][ T7704] ___sys_sendmsg+0xee/0x170 [10889.862358][ T7704] __sys_sendmsg+0xcd/0x170 [10889.862358][ T7704] do_syscall_64+0xc6/0x1e0 [10889.862358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10889.862358][ T7704] [10889.864089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10889.864089][ T7704] neigh_parms_alloc+0x1e5/0x510 [10889.864089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10889.864089][ T7704] ipv6_find_idev+0x102/0x170 [10889.864089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10889.864089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10889.864089][ T7704] netlink_rcv_skb+0x130/0x360 [10889.864089][ T7704] netlink_unicast+0x449/0x710 [10889.864089][ T7704] netlink_sendmsg+0x723/0xbe0 [10889.864089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10889.864089][ T7704] ___sys_sendmsg+0xee/0x170 [10889.864089][ T7704] __sys_sendmsg+0xcd/0x170 [10889.864089][ T7704] do_syscall_64+0xc6/0x1e0 [10889.864089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10889.864089][ T7704] [10900.102977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10900.103495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10900.103495][ T7704] netdev_get_by_index+0x5e/0x80 [10900.103495][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.103495][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.103495][ T7704] ip6_route_add+0x1c/0x140 [10900.103495][ T7704] addrconf_prefix_route+0x2a6/0x430 [10900.103495][ T7704] inet6_addr_add+0x4f8/0xa40 [10900.103495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.103495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.103495][ T7704] netlink_rcv_skb+0x130/0x360 [10900.103495][ T7704] netlink_unicast+0x449/0x710 [10900.103495][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.103495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.103495][ T7704] ___sys_sendmsg+0xee/0x170 [10900.103495][ T7704] __sys_sendmsg+0xcd/0x170 [10900.103495][ T7704] do_syscall_64+0xc6/0x1e0 [10900.103495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.103495][ T7704] [10900.105761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10900.105761][ T7704] netdev_get_by_index+0x5e/0x80 [10900.105761][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.105761][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.105761][ T7704] addrconf_f6i_alloc+0x315/0x560 [10900.105761][ T7704] ipv6_add_addr+0x411/0x2000 [10900.105761][ T7704] inet6_addr_add+0x30e/0xa40 [10900.105761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.105761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.105761][ T7704] netlink_rcv_skb+0x130/0x360 [10900.105761][ T7704] netlink_unicast+0x449/0x710 [10900.105761][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.105761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.105761][ T7704] ___sys_sendmsg+0xee/0x170 [10900.105761][ T7704] __sys_sendmsg+0xcd/0x170 [10900.105761][ T7704] do_syscall_64+0xc6/0x1e0 [10900.105761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.105761][ T7704] [10900.107981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10900.107981][ T7704] netdev_get_by_index+0x5e/0x80 [10900.107981][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.107981][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.107981][ T7704] ip6_route_add+0x1c/0x140 [10900.107981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10900.107981][ T7704] addrconf_add_dev+0xe2/0x170 [10900.107981][ T7704] inet6_addr_add+0x12f/0xa40 [10900.107981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.107981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.107981][ T7704] netlink_rcv_skb+0x130/0x360 [10900.107981][ T7704] netlink_unicast+0x449/0x710 [10900.107981][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.107981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.107981][ T7704] ___sys_sendmsg+0xee/0x170 [10900.107981][ T7704] __sys_sendmsg+0xcd/0x170 [10900.107981][ T7704] do_syscall_64+0xc6/0x1e0 [10900.107981][ T7704] [10900.110198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10900.110198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10900.110198][ T7704] ipv6_find_idev+0x102/0x170 [10900.110198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10900.110198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.110198][ T7704] netlink_rcv_skb+0x130/0x360 [10900.110198][ T7704] netlink_unicast+0x449/0x710 [10900.110198][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.110198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.110198][ T7704] ___sys_sendmsg+0xee/0x170 [10900.110198][ T7704] __sys_sendmsg+0xcd/0x170 [10900.110198][ T7704] do_syscall_64+0xc6/0x1e0 [10900.110198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.110198][ T7704] [10900.111909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10900.111909][ T7704] neigh_parms_alloc+0x1e5/0x510 [10900.111909][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10900.111909][ T7704] ipv6_find_idev+0x102/0x170 [10900.111909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10900.111909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.111909][ T7704] netlink_rcv_skb+0x130/0x360 [10900.111909][ T7704] netlink_unicast+0x449/0x710 [10900.111909][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.111909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.111909][ T7704] ___sys_sendmsg+0xee/0x170 [10900.111909][ T7704] __sys_sendmsg+0xcd/0x170 [10900.111909][ T7704] do_syscall_64+0xc6/0x1e0 [10900.111909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.111909][ T7704] [10910.351013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10910.351674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10910.351674][ T7704] netdev_get_by_index+0x5e/0x80 [10910.351674][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.351674][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.351674][ T7704] ip6_route_add+0x1c/0x140 [10910.351674][ T7704] addrconf_prefix_route+0x2a6/0x430 [10910.351674][ T7704] inet6_addr_add+0x4f8/0xa40 [10910.351674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.351674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.351674][ T7704] netlink_rcv_skb+0x130/0x360 [10910.351674][ T7704] netlink_unicast+0x449/0x710 [10910.351674][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.351674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.351674][ T7704] ___sys_sendmsg+0xee/0x170 [10910.351674][ T7704] __sys_sendmsg+0xcd/0x170 [10910.351674][ T7704] do_syscall_64+0xc6/0x1e0 [10910.351674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.351674][ T7704] [10910.353899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10910.353899][ T7704] netdev_get_by_index+0x5e/0x80 [10910.353899][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.353899][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.353899][ T7704] addrconf_f6i_alloc+0x315/0x560 [10910.353899][ T7704] ipv6_add_addr+0x411/0x2000 [10910.353899][ T7704] inet6_addr_add+0x30e/0xa40 [10910.353899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.353899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.353899][ T7704] netlink_rcv_skb+0x130/0x360 [10910.353899][ T7704] netlink_unicast+0x449/0x710 [10910.353899][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.353899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.353899][ T7704] ___sys_sendmsg+0xee/0x170 [10910.353899][ T7704] __sys_sendmsg+0xcd/0x170 [10910.353899][ T7704] do_syscall_64+0xc6/0x1e0 [10910.353899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.353899][ T7704] [10910.356089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10910.356089][ T7704] netdev_get_by_index+0x5e/0x80 [10910.356089][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.356089][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.356089][ T7704] ip6_route_add+0x1c/0x140 [10910.356089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10910.356089][ T7704] addrconf_add_dev+0xe2/0x170 [10910.356089][ T7704] inet6_addr_add+0x12f/0xa40 [10910.356089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.356089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.356089][ T7704] netlink_rcv_skb+0x130/0x360 [10910.356089][ T7704] netlink_unicast+0x449/0x710 [10910.356089][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.356089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.356089][ T7704] ___sys_sendmsg+0xee/0x170 [10910.356089][ T7704] __sys_sendmsg+0xcd/0x170 [10910.356089][ T7704] do_syscall_64+0xc6/0x1e0 [10910.356089][ T7704] [10910.358268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10910.358268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10910.358268][ T7704] ipv6_find_idev+0x102/0x170 [10910.358268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10910.358268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.358268][ T7704] netlink_rcv_skb+0x130/0x360 [10910.358268][ T7704] netlink_unicast+0x449/0x710 [10910.358268][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.358268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.358268][ T7704] ___sys_sendmsg+0xee/0x170 [10910.358268][ T7704] __sys_sendmsg+0xcd/0x170 [10910.358268][ T7704] do_syscall_64+0xc6/0x1e0 [10910.358268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.358268][ T7704] [10910.360018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10910.360018][ T7704] neigh_parms_alloc+0x1e5/0x510 [10910.360018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10910.360018][ T7704] ipv6_find_idev+0x102/0x170 [10910.360018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10910.360018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.360018][ T7704] netlink_rcv_skb+0x130/0x360 [10910.360018][ T7704] netlink_unicast+0x449/0x710 [10910.360018][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.360018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.360018][ T7704] ___sys_sendmsg+0xee/0x170 [10910.360018][ T7704] __sys_sendmsg+0xcd/0x170 [10910.360018][ T7704] do_syscall_64+0xc6/0x1e0 [10910.360018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.360018][ T7704] [10920.598954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10920.599419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10920.599419][ T7704] netdev_get_by_index+0x5e/0x80 [10920.599419][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.599419][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.599419][ T7704] ip6_route_add+0x1c/0x140 [10920.599419][ T7704] addrconf_prefix_route+0x2a6/0x430 [10920.599419][ T7704] inet6_addr_add+0x4f8/0xa40 [10920.599419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.599419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.599419][ T7704] netlink_rcv_skb+0x130/0x360 [10920.599419][ T7704] netlink_unicast+0x449/0x710 [10920.599419][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.599419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.599419][ T7704] ___sys_sendmsg+0xee/0x170 [10920.599419][ T7704] __sys_sendmsg+0xcd/0x170 [10920.599419][ T7704] do_syscall_64+0xc6/0x1e0 [10920.599419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.599419][ T7704] [10920.601652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10920.601652][ T7704] netdev_get_by_index+0x5e/0x80 [10920.601652][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.601652][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.601652][ T7704] addrconf_f6i_alloc+0x315/0x560 [10920.601652][ T7704] ipv6_add_addr+0x411/0x2000 [10920.601652][ T7704] inet6_addr_add+0x30e/0xa40 [10920.601652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.601652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.601652][ T7704] netlink_rcv_skb+0x130/0x360 [10920.601652][ T7704] netlink_unicast+0x449/0x710 [10920.601652][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.601652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.601652][ T7704] ___sys_sendmsg+0xee/0x170 [10920.601652][ T7704] __sys_sendmsg+0xcd/0x170 [10920.601652][ T7704] do_syscall_64+0xc6/0x1e0 [10920.601652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.601652][ T7704] [10920.603824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10920.603824][ T7704] netdev_get_by_index+0x5e/0x80 [10920.603824][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.603824][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.603824][ T7704] ip6_route_add+0x1c/0x140 [10920.603824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10920.603824][ T7704] addrconf_add_dev+0xe2/0x170 [10920.603824][ T7704] inet6_addr_add+0x12f/0xa40 [10920.603824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.603824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.603824][ T7704] netlink_rcv_skb+0x130/0x360 [10920.603824][ T7704] netlink_unicast+0x449/0x710 [10920.603824][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.603824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.603824][ T7704] ___sys_sendmsg+0xee/0x170 [10920.603824][ T7704] __sys_sendmsg+0xcd/0x170 [10920.603824][ T7704] do_syscall_64+0xc6/0x1e0 [10920.603824][ T7704] [10920.606005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10920.606005][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10920.606005][ T7704] ipv6_find_idev+0x102/0x170 [10920.606005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10920.606005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.606005][ T7704] netlink_rcv_skb+0x130/0x360 [10920.606005][ T7704] netlink_unicast+0x449/0x710 [10920.606005][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.606005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.606005][ T7704] ___sys_sendmsg+0xee/0x170 [10920.606005][ T7704] __sys_sendmsg+0xcd/0x170 [10920.606005][ T7704] do_syscall_64+0xc6/0x1e0 [10920.606005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.606005][ T7704] [10920.607727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10920.607727][ T7704] neigh_parms_alloc+0x1e5/0x510 [10920.607727][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10920.607727][ T7704] ipv6_find_idev+0x102/0x170 [10920.607727][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10920.607727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.607727][ T7704] netlink_rcv_skb+0x130/0x360 [10920.607727][ T7704] netlink_unicast+0x449/0x710 [10920.607727][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.607727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.607727][ T7704] ___sys_sendmsg+0xee/0x170 [10920.607727][ T7704] __sys_sendmsg+0xcd/0x170 [10920.607727][ T7704] do_syscall_64+0xc6/0x1e0 [10920.607727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.607727][ T7704] [10930.751137][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10930.752092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10930.752092][ T7704] netdev_get_by_index+0x5e/0x80 [10930.752092][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.752092][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.752092][ T7704] ip6_route_add+0x1c/0x140 [10930.752092][ T7704] addrconf_prefix_route+0x2a6/0x430 [10930.752092][ T7704] inet6_addr_add+0x4f8/0xa40 [10930.752092][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.752092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.752092][ T7704] netlink_rcv_skb+0x130/0x360 [10930.752092][ T7704] netlink_unicast+0x449/0x710 [10930.752092][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.752092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.752092][ T7704] ___sys_sendmsg+0xee/0x170 [10930.752092][ T7704] __sys_sendmsg+0xcd/0x170 [10930.752092][ T7704] do_syscall_64+0xc6/0x1e0 [10930.752092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.752092][ T7704] [10930.754382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10930.754382][ T7704] netdev_get_by_index+0x5e/0x80 [10930.754382][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.754382][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.754382][ T7704] addrconf_f6i_alloc+0x315/0x560 [10930.754382][ T7704] ipv6_add_addr+0x411/0x2000 [10930.754382][ T7704] inet6_addr_add+0x30e/0xa40 [10930.754382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.754382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.754382][ T7704] netlink_rcv_skb+0x130/0x360 [10930.754382][ T7704] netlink_unicast+0x449/0x710 [10930.754382][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.754382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.754382][ T7704] ___sys_sendmsg+0xee/0x170 [10930.754382][ T7704] __sys_sendmsg+0xcd/0x170 [10930.754382][ T7704] do_syscall_64+0xc6/0x1e0 [10930.754382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.754382][ T7704] [10930.756605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10930.756605][ T7704] netdev_get_by_index+0x5e/0x80 [10930.756605][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.756605][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.756605][ T7704] ip6_route_add+0x1c/0x140 [10930.756605][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10930.756605][ T7704] addrconf_add_dev+0xe2/0x170 [10930.756605][ T7704] inet6_addr_add+0x12f/0xa40 [10930.756605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.756605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.756605][ T7704] netlink_rcv_skb+0x130/0x360 [10930.756605][ T7704] netlink_unicast+0x449/0x710 [10930.756605][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.756605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.756605][ T7704] ___sys_sendmsg+0xee/0x170 [10930.756605][ T7704] __sys_sendmsg+0xcd/0x170 [10930.756605][ T7704] do_syscall_64+0xc6/0x1e0 [10930.756605][ T7704] [10930.758782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10930.758782][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10930.758782][ T7704] ipv6_find_idev+0x102/0x170 [10930.758782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10930.758782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.758782][ T7704] netlink_rcv_skb+0x130/0x360 [10930.758782][ T7704] netlink_unicast+0x449/0x710 [10930.758782][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.758782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.758782][ T7704] ___sys_sendmsg+0xee/0x170 [10930.758782][ T7704] __sys_sendmsg+0xcd/0x170 [10930.758782][ T7704] do_syscall_64+0xc6/0x1e0 [10930.758782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.758782][ T7704] [10930.760500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10930.760500][ T7704] neigh_parms_alloc+0x1e5/0x510 [10930.760500][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10930.760500][ T7704] ipv6_find_idev+0x102/0x170 [10930.760500][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10930.760500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.760500][ T7704] netlink_rcv_skb+0x130/0x360 [10930.760500][ T7704] netlink_unicast+0x449/0x710 [10930.760500][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.760500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.760500][ T7704] ___sys_sendmsg+0xee/0x170 [10930.760500][ T7704] __sys_sendmsg+0xcd/0x170 [10930.760500][ T7704] do_syscall_64+0xc6/0x1e0 [10930.760500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.760500][ T7704] [10940.774942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10940.775495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10940.775495][ T7704] netdev_get_by_index+0x5e/0x80 [10940.775495][ T7704] fib6_nh_init+0x3d8/0x15b0 [10940.775495][ T7704] ip6_route_info_create+0xf18/0x17d0 [10940.775495][ T7704] ip6_route_add+0x1c/0x140 [10940.775495][ T7704] addrconf_prefix_route+0x2a6/0x430 [10940.775495][ T7704] inet6_addr_add+0x4f8/0xa40 [10940.775495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10940.775495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10940.775495][ T7704] netlink_rcv_skb+0x130/0x360 [10940.775495][ T7704] netlink_unicast+0x449/0x710 [10940.775495][ T7704] netlink_sendmsg+0x723/0xbe0 [10940.775495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10940.775495][ T7704] ___sys_sendmsg+0xee/0x170 [10940.775495][ T7704] __sys_sendmsg+0xcd/0x170 [10940.775495][ T7704] do_syscall_64+0xc6/0x1e0 [10940.775495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10940.775495][ T7704] [10940.777753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10940.777753][ T7704] netdev_get_by_index+0x5e/0x80 [10940.777753][ T7704] fib6_nh_init+0x3d8/0x15b0 [10940.777753][ T7704] ip6_route_info_create+0xf18/0x17d0 [10940.777753][ T7704] addrconf_f6i_alloc+0x315/0x560 [10940.777753][ T7704] ipv6_add_addr+0x411/0x2000 [10940.777753][ T7704] inet6_addr_add+0x30e/0xa40 [10940.777753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10940.777753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10940.777753][ T7704] netlink_rcv_skb+0x130/0x360 [10940.777753][ T7704] netlink_unicast+0x449/0x710 [10940.777753][ T7704] netlink_sendmsg+0x723/0xbe0 [10940.777753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10940.777753][ T7704] ___sys_sendmsg+0xee/0x170 [10940.777753][ T7704] __sys_sendmsg+0xcd/0x170 [10940.777753][ T7704] do_syscall_64+0xc6/0x1e0 [10940.777753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10940.777753][ T7704] [10940.780013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10940.780013][ T7704] netdev_get_by_index+0x5e/0x80 [10940.780013][ T7704] fib6_nh_init+0x3d8/0x15b0 [10940.780013][ T7704] ip6_route_info_create+0xf18/0x17d0 [10940.780013][ T7704] ip6_route_add+0x1c/0x140 [10940.780013][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10940.780013][ T7704] addrconf_add_dev+0xe2/0x170 [10940.780013][ T7704] inet6_addr_add+0x12f/0xa40 [10940.780013][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10940.780013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10940.780013][ T7704] netlink_rcv_skb+0x130/0x360 [10940.780013][ T7704] netlink_unicast+0x449/0x710 [10940.780013][ T7704] netlink_sendmsg+0x723/0xbe0 [10940.780013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10940.780013][ T7704] ___sys_sendmsg+0xee/0x170 [10940.780013][ T7704] __sys_sendmsg+0xcd/0x170 [10940.780013][ T7704] do_syscall_64+0xc6/0x1e0 [10940.780013][ T7704] [10940.782778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10940.782778][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10940.782778][ T7704] ipv6_find_idev+0x102/0x170 [10940.782778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10940.782778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10940.782778][ T7704] netlink_rcv_skb+0x130/0x360 [10940.782778][ T7704] netlink_unicast+0x449/0x710 [10940.782778][ T7704] netlink_sendmsg+0x723/0xbe0 [10940.782778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10940.782778][ T7704] ___sys_sendmsg+0xee/0x170 [10940.782778][ T7704] __sys_sendmsg+0xcd/0x170 [10940.782778][ T7704] do_syscall_64+0xc6/0x1e0 [10940.782778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10940.782778][ T7704] [10940.784506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10940.784506][ T7704] neigh_parms_alloc+0x1e5/0x510 [10940.784506][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10940.784506][ T7704] ipv6_find_idev+0x102/0x170 [10940.784506][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10940.784506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10940.784506][ T7704] netlink_rcv_skb+0x130/0x360 [10940.784506][ T7704] netlink_unicast+0x449/0x710 [10940.784506][ T7704] netlink_sendmsg+0x723/0xbe0 [10940.784506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10940.784506][ T7704] ___sys_sendmsg+0xee/0x170 [10940.784506][ T7704] __sys_sendmsg+0xcd/0x170 [10940.784506][ T7704] do_syscall_64+0xc6/0x1e0 [10940.784506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10940.784506][ T7704] [10950.887023][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10950.887750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10950.887750][ T7704] netdev_get_by_index+0x5e/0x80 [10950.887750][ T7704] fib6_nh_init+0x3d8/0x15b0 [10950.887750][ T7704] ip6_route_info_create+0xf18/0x17d0 [10950.887750][ T7704] ip6_route_add+0x1c/0x140 [10950.887750][ T7704] addrconf_prefix_route+0x2a6/0x430 [10950.887750][ T7704] inet6_addr_add+0x4f8/0xa40 [10950.887750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10950.887750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10950.887750][ T7704] netlink_rcv_skb+0x130/0x360 [10950.887750][ T7704] netlink_unicast+0x449/0x710 [10950.887750][ T7704] netlink_sendmsg+0x723/0xbe0 [10950.887750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10950.887750][ T7704] ___sys_sendmsg+0xee/0x170 [10950.887750][ T7704] __sys_sendmsg+0xcd/0x170 [10950.887750][ T7704] do_syscall_64+0xc6/0x1e0 [10950.887750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10950.887750][ T7704] [10950.890065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10950.890065][ T7704] netdev_get_by_index+0x5e/0x80 [10950.890065][ T7704] fib6_nh_init+0x3d8/0x15b0 [10950.890065][ T7704] ip6_route_info_create+0xf18/0x17d0 [10950.890065][ T7704] addrconf_f6i_alloc+0x315/0x560 [10950.890065][ T7704] ipv6_add_addr+0x411/0x2000 [10950.890065][ T7704] inet6_addr_add+0x30e/0xa40 [10950.890065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10950.890065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10950.890065][ T7704] netlink_rcv_skb+0x130/0x360 [10950.890065][ T7704] netlink_unicast+0x449/0x710 [10950.890065][ T7704] netlink_sendmsg+0x723/0xbe0 [10950.890065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10950.890065][ T7704] ___sys_sendmsg+0xee/0x170 [10950.890065][ T7704] __sys_sendmsg+0xcd/0x170 [10950.890065][ T7704] do_syscall_64+0xc6/0x1e0 [10950.890065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10950.890065][ T7704] [10950.892215][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10950.892215][ T7704] netdev_get_by_index+0x5e/0x80 [10950.892215][ T7704] fib6_nh_init+0x3d8/0x15b0 [10950.892215][ T7704] ip6_route_info_create+0xf18/0x17d0 [10950.892215][ T7704] ip6_route_add+0x1c/0x140 [10950.892215][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10950.892215][ T7704] addrconf_add_dev+0xe2/0x170 [10950.892215][ T7704] inet6_addr_add+0x12f/0xa40 [10950.892215][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10950.892215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10950.892215][ T7704] netlink_rcv_skb+0x130/0x360 [10950.892215][ T7704] netlink_unicast+0x449/0x710 [10950.892215][ T7704] netlink_sendmsg+0x723/0xbe0 [10950.892215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10950.892215][ T7704] ___sys_sendmsg+0xee/0x170 [10950.892215][ T7704] __sys_sendmsg+0xcd/0x170 [10950.892215][ T7704] do_syscall_64+0xc6/0x1e0 [10950.892215][ T7704] [10950.894346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10950.894346][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10950.894346][ T7704] ipv6_find_idev+0x102/0x170 [10950.894346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10950.894346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10950.894346][ T7704] netlink_rcv_skb+0x130/0x360 [10950.894346][ T7704] netlink_unicast+0x449/0x710 [10950.894346][ T7704] netlink_sendmsg+0x723/0xbe0 [10950.894346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10950.894346][ T7704] ___sys_sendmsg+0xee/0x170 [10950.894346][ T7704] __sys_sendmsg+0xcd/0x170 [10950.894346][ T7704] do_syscall_64+0xc6/0x1e0 [10950.894346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10950.894346][ T7704] [10950.896073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10950.896073][ T7704] neigh_parms_alloc+0x1e5/0x510 [10950.896073][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10950.896073][ T7704] ipv6_find_idev+0x102/0x170 [10950.896073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10950.896073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10950.896073][ T7704] netlink_rcv_skb+0x130/0x360 [10950.896073][ T7704] netlink_unicast+0x449/0x710 [10950.896073][ T7704] netlink_sendmsg+0x723/0xbe0 [10950.896073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10950.896073][ T7704] ___sys_sendmsg+0xee/0x170 [10950.896073][ T7704] __sys_sendmsg+0xcd/0x170 [10950.896073][ T7704] do_syscall_64+0xc6/0x1e0 [10950.896073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10950.896073][ T7704] [10961.135016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10961.135689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10961.135689][ T7704] netdev_get_by_index+0x5e/0x80 [10961.135689][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.135689][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.135689][ T7704] ip6_route_add+0x1c/0x140 [10961.135689][ T7704] addrconf_prefix_route+0x2a6/0x430 [10961.135689][ T7704] inet6_addr_add+0x4f8/0xa40 [10961.135689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.135689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.135689][ T7704] netlink_rcv_skb+0x130/0x360 [10961.135689][ T7704] netlink_unicast+0x449/0x710 [10961.135689][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.135689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.135689][ T7704] ___sys_sendmsg+0xee/0x170 [10961.135689][ T7704] __sys_sendmsg+0xcd/0x170 [10961.135689][ T7704] do_syscall_64+0xc6/0x1e0 [10961.135689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.135689][ T7704] [10961.138012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10961.138012][ T7704] netdev_get_by_index+0x5e/0x80 [10961.138012][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.138012][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.138012][ T7704] addrconf_f6i_alloc+0x315/0x560 [10961.138012][ T7704] ipv6_add_addr+0x411/0x2000 [10961.138012][ T7704] inet6_addr_add+0x30e/0xa40 [10961.138012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.138012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.138012][ T7704] netlink_rcv_skb+0x130/0x360 [10961.138012][ T7704] netlink_unicast+0x449/0x710 [10961.138012][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.138012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.138012][ T7704] ___sys_sendmsg+0xee/0x170 [10961.138012][ T7704] __sys_sendmsg+0xcd/0x170 [10961.138012][ T7704] do_syscall_64+0xc6/0x1e0 [10961.138012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.138012][ T7704] [10961.140273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10961.140273][ T7704] netdev_get_by_index+0x5e/0x80 [10961.140273][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.140273][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.140273][ T7704] ip6_route_add+0x1c/0x140 [10961.140273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10961.140273][ T7704] addrconf_add_dev+0xe2/0x170 [10961.140273][ T7704] inet6_addr_add+0x12f/0xa40 [10961.140273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.140273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.140273][ T7704] netlink_rcv_skb+0x130/0x360 [10961.140273][ T7704] netlink_unicast+0x449/0x710 [10961.140273][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.140273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.140273][ T7704] ___sys_sendmsg+0xee/0x170 [10961.140273][ T7704] __sys_sendmsg+0xcd/0x170 [10961.140273][ T7704] do_syscall_64+0xc6/0x1e0 [10961.140273][ T7704] [10961.142476][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10961.142476][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10961.142476][ T7704] ipv6_find_idev+0x102/0x170 [10961.142476][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10961.142476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.142476][ T7704] netlink_rcv_skb+0x130/0x360 [10961.142476][ T7704] netlink_unicast+0x449/0x710 [10961.142476][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.142476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.142476][ T7704] ___sys_sendmsg+0xee/0x170 [10961.142476][ T7704] __sys_sendmsg+0xcd/0x170 [10961.142476][ T7704] do_syscall_64+0xc6/0x1e0 [10961.142476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.142476][ T7704] [10961.144206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10961.144206][ T7704] neigh_parms_alloc+0x1e5/0x510 [10961.144206][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10961.144206][ T7704] ipv6_find_idev+0x102/0x170 [10961.144206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10961.144206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.144206][ T7704] netlink_rcv_skb+0x130/0x360 [10961.144206][ T7704] netlink_unicast+0x449/0x710 [10961.144206][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.144206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.144206][ T7704] ___sys_sendmsg+0xee/0x170 [10961.144206][ T7704] __sys_sendmsg+0xcd/0x170 [10961.144206][ T7704] do_syscall_64+0xc6/0x1e0 [10961.144206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.144206][ T7704] [10971.383092][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10971.383823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10971.383823][ T7704] netdev_get_by_index+0x5e/0x80 [10971.383823][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.383823][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.383823][ T7704] ip6_route_add+0x1c/0x140 [10971.383823][ T7704] addrconf_prefix_route+0x2a6/0x430 [10971.383823][ T7704] inet6_addr_add+0x4f8/0xa40 [10971.383823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.383823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.383823][ T7704] netlink_rcv_skb+0x130/0x360 [10971.383823][ T7704] netlink_unicast+0x449/0x710 [10971.383823][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.383823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.383823][ T7704] ___sys_sendmsg+0xee/0x170 [10971.383823][ T7704] __sys_sendmsg+0xcd/0x170 [10971.383823][ T7704] do_syscall_64+0xc6/0x1e0 [10971.383823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.383823][ T7704] [10971.387605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10971.387605][ T7704] netdev_get_by_index+0x5e/0x80 [10971.387605][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.387605][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.387605][ T7704] addrconf_f6i_alloc+0x315/0x560 [10971.387605][ T7704] ipv6_add_addr+0x411/0x2000 [10971.387605][ T7704] inet6_addr_add+0x30e/0xa40 [10971.387605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.387605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.387605][ T7704] netlink_rcv_skb+0x130/0x360 [10971.387605][ T7704] netlink_unicast+0x449/0x710 [10971.387605][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.387605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.387605][ T7704] ___sys_sendmsg+0xee/0x170 [10971.387605][ T7704] __sys_sendmsg+0xcd/0x170 [10971.387605][ T7704] do_syscall_64+0xc6/0x1e0 [10971.387605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.387605][ T7704] [10971.391086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10971.391086][ T7704] netdev_get_by_index+0x5e/0x80 [10971.391086][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.391086][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.391086][ T7704] ip6_route_add+0x1c/0x140 [10971.391086][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10971.391086][ T7704] addrconf_add_dev+0xe2/0x170 [10971.391086][ T7704] inet6_addr_add+0x12f/0xa40 [10971.391086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.391086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.391086][ T7704] netlink_rcv_skb+0x130/0x360 [10971.391086][ T7704] netlink_unicast+0x449/0x710 [10971.391086][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.391086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.391086][ T7704] ___sys_sendmsg+0xee/0x170 [10971.391086][ T7704] __sys_sendmsg+0xcd/0x170 [10971.391086][ T7704] do_syscall_64+0xc6/0x1e0 [10971.391086][ T7704] [10971.394750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10971.394750][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10971.394750][ T7704] ipv6_find_idev+0x102/0x170 [10971.394750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10971.394750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.394750][ T7704] netlink_rcv_skb+0x130/0x360 [10971.394750][ T7704] netlink_unicast+0x449/0x710 [10971.394750][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.394750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.394750][ T7704] ___sys_sendmsg+0xee/0x170 [10971.394750][ T7704] __sys_sendmsg+0xcd/0x170 [10971.394750][ T7704] do_syscall_64+0xc6/0x1e0 [10971.394750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.394750][ T7704] [10971.397358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10971.397358][ T7704] neigh_parms_alloc+0x1e5/0x510 [10971.397358][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10971.397358][ T7704] ipv6_find_idev+0x102/0x170 [10971.397358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10971.397358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.397358][ T7704] netlink_rcv_skb+0x130/0x360 [10971.397358][ T7704] netlink_unicast+0x449/0x710 [10971.397358][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.397358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.397358][ T7704] ___sys_sendmsg+0xee/0x170 [10971.397358][ T7704] __sys_sendmsg+0xcd/0x170 [10971.397358][ T7704] do_syscall_64+0xc6/0x1e0 [10971.397358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.397358][ T7704] [10981.446908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10981.447409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10981.447409][ T7704] netdev_get_by_index+0x5e/0x80 [10981.447409][ T7704] fib6_nh_init+0x3d8/0x15b0 [10981.447409][ T7704] ip6_route_info_create+0xf18/0x17d0 [10981.447409][ T7704] ip6_route_add+0x1c/0x140 [10981.447409][ T7704] addrconf_prefix_route+0x2a6/0x430 [10981.447409][ T7704] inet6_addr_add+0x4f8/0xa40 [10981.447409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10981.447409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10981.447409][ T7704] netlink_rcv_skb+0x130/0x360 [10981.447409][ T7704] netlink_unicast+0x449/0x710 [10981.447409][ T7704] netlink_sendmsg+0x723/0xbe0 [10981.447409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10981.447409][ T7704] ___sys_sendmsg+0xee/0x170 [10981.447409][ T7704] __sys_sendmsg+0xcd/0x170 [10981.447409][ T7704] do_syscall_64+0xc6/0x1e0 [10981.447409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10981.447409][ T7704] [10981.450033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10981.450033][ T7704] netdev_get_by_index+0x5e/0x80 [10981.450033][ T7704] fib6_nh_init+0x3d8/0x15b0 [10981.450033][ T7704] ip6_route_info_create+0xf18/0x17d0 [10981.450033][ T7704] addrconf_f6i_alloc+0x315/0x560 [10981.450033][ T7704] ipv6_add_addr+0x411/0x2000 [10981.450033][ T7704] inet6_addr_add+0x30e/0xa40 [10981.450033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10981.450033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10981.450033][ T7704] netlink_rcv_skb+0x130/0x360 [10981.450033][ T7704] netlink_unicast+0x449/0x710 [10981.450033][ T7704] netlink_sendmsg+0x723/0xbe0 [10981.450033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10981.450033][ T7704] ___sys_sendmsg+0xee/0x170 [10981.450033][ T7704] __sys_sendmsg+0xcd/0x170 [10981.450033][ T7704] do_syscall_64+0xc6/0x1e0 [10981.450033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10981.450033][ T7704] [10981.452569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10981.452569][ T7704] netdev_get_by_index+0x5e/0x80 [10981.452569][ T7704] fib6_nh_init+0x3d8/0x15b0 [10981.452569][ T7704] ip6_route_info_create+0xf18/0x17d0 [10981.452569][ T7704] ip6_route_add+0x1c/0x140 [10981.452569][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10981.452569][ T7704] addrconf_add_dev+0xe2/0x170 [10981.452569][ T7704] inet6_addr_add+0x12f/0xa40 [10981.452569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10981.452569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10981.452569][ T7704] netlink_rcv_skb+0x130/0x360 [10981.452569][ T7704] netlink_unicast+0x449/0x710 [10981.452569][ T7704] netlink_sendmsg+0x723/0xbe0 [10981.452569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10981.452569][ T7704] ___sys_sendmsg+0xee/0x170 [10981.452569][ T7704] __sys_sendmsg+0xcd/0x170 [10981.452569][ T7704] do_syscall_64+0xc6/0x1e0 [10981.452569][ T7704] [10981.455022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10981.455022][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10981.455022][ T7704] ipv6_find_idev+0x102/0x170 [10981.455022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10981.455022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10981.455022][ T7704] netlink_rcv_skb+0x130/0x360 [10981.455022][ T7704] netlink_unicast+0x449/0x710 [10981.455022][ T7704] netlink_sendmsg+0x723/0xbe0 [10981.455022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10981.455022][ T7704] ___sys_sendmsg+0xee/0x170 [10981.455022][ T7704] __sys_sendmsg+0xcd/0x170 [10981.455022][ T7704] do_syscall_64+0xc6/0x1e0 [10981.455022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10981.455022][ T7704] [10981.456932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10981.456932][ T7704] neigh_parms_alloc+0x1e5/0x510 [10981.456932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10981.456932][ T7704] ipv6_find_idev+0x102/0x170 [10981.456932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10981.456932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10981.456932][ T7704] netlink_rcv_skb+0x130/0x360 [10981.456932][ T7704] netlink_unicast+0x449/0x710 [10981.456932][ T7704] netlink_sendmsg+0x723/0xbe0 [10981.456932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10981.456932][ T7704] ___sys_sendmsg+0xee/0x170 [10981.456932][ T7704] __sys_sendmsg+0xcd/0x170 [10981.456932][ T7704] do_syscall_64+0xc6/0x1e0 [10981.456932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10981.456932][ T7704] [10991.694922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10991.695569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10991.695569][ T7704] netdev_get_by_index+0x5e/0x80 [10991.695569][ T7704] fib6_nh_init+0x3d8/0x15b0 [10991.695569][ T7704] ip6_route_info_create+0xf18/0x17d0 [10991.695569][ T7704] ip6_route_add+0x1c/0x140 [10991.695569][ T7704] addrconf_prefix_route+0x2a6/0x430 [10991.695569][ T7704] inet6_addr_add+0x4f8/0xa40 [10991.695569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10991.695569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10991.695569][ T7704] netlink_rcv_skb+0x130/0x360 [10991.695569][ T7704] netlink_unicast+0x449/0x710 [10991.695569][ T7704] netlink_sendmsg+0x723/0xbe0 [10991.695569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10991.695569][ T7704] ___sys_sendmsg+0xee/0x170 [10991.695569][ T7704] __sys_sendmsg+0xcd/0x170 [10991.695569][ T7704] do_syscall_64+0xc6/0x1e0 [10991.695569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10991.695569][ T7704] [10991.698091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10991.698091][ T7704] netdev_get_by_index+0x5e/0x80 [10991.698091][ T7704] fib6_nh_init+0x3d8/0x15b0 [10991.698091][ T7704] ip6_route_info_create+0xf18/0x17d0 [10991.698091][ T7704] addrconf_f6i_alloc+0x315/0x560 [10991.698091][ T7704] ipv6_add_addr+0x411/0x2000 [10991.698091][ T7704] inet6_addr_add+0x30e/0xa40 [10991.698091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10991.698091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10991.698091][ T7704] netlink_rcv_skb+0x130/0x360 [10991.698091][ T7704] netlink_unicast+0x449/0x710 [10991.698091][ T7704] netlink_sendmsg+0x723/0xbe0 [10991.698091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10991.698091][ T7704] ___sys_sendmsg+0xee/0x170 [10991.698091][ T7704] __sys_sendmsg+0xcd/0x170 [10991.698091][ T7704] do_syscall_64+0xc6/0x1e0 [10991.698091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10991.698091][ T7704] [10991.700601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10991.700601][ T7704] netdev_get_by_index+0x5e/0x80 [10991.700601][ T7704] fib6_nh_init+0x3d8/0x15b0 [10991.700601][ T7704] ip6_route_info_create+0xf18/0x17d0 [10991.700601][ T7704] ip6_route_add+0x1c/0x140 [10991.700601][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10991.700601][ T7704] addrconf_add_dev+0xe2/0x170 [10991.700601][ T7704] inet6_addr_add+0x12f/0xa40 [10991.700601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10991.700601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10991.700601][ T7704] netlink_rcv_skb+0x130/0x360 [10991.700601][ T7704] netlink_unicast+0x449/0x710 [10991.700601][ T7704] netlink_sendmsg+0x723/0xbe0 [10991.700601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10991.700601][ T7704] ___sys_sendmsg+0xee/0x170 [10991.700601][ T7704] __sys_sendmsg+0xcd/0x170 [10991.700601][ T7704] do_syscall_64+0xc6/0x1e0 [10991.700601][ T7704] [10991.703089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10991.703089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10991.703089][ T7704] ipv6_find_idev+0x102/0x170 [10991.703089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10991.703089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10991.703089][ T7704] netlink_rcv_skb+0x130/0x360 [10991.703089][ T7704] netlink_unicast+0x449/0x710 [10991.703089][ T7704] netlink_sendmsg+0x723/0xbe0 [10991.703089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10991.703089][ T7704] ___sys_sendmsg+0xee/0x170 [10991.703089][ T7704] __sys_sendmsg+0xcd/0x170 [10991.703089][ T7704] do_syscall_64+0xc6/0x1e0 [10991.703089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10991.703089][ T7704] [10991.705002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [10991.705002][ T7704] neigh_parms_alloc+0x1e5/0x510 [10991.705002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10991.705002][ T7704] ipv6_find_idev+0x102/0x170 [10991.705002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10991.705002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10991.705002][ T7704] netlink_rcv_skb+0x130/0x360 [10991.705002][ T7704] netlink_unicast+0x449/0x710 [10991.705002][ T7704] netlink_sendmsg+0x723/0xbe0 [10991.705002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10991.705002][ T7704] ___sys_sendmsg+0xee/0x170 [10991.705002][ T7704] __sys_sendmsg+0xcd/0x170 [10991.705002][ T7704] do_syscall_64+0xc6/0x1e0 [10991.705002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10991.705002][ T7704] [11001.943003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11001.943574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11001.943574][ T7704] netdev_get_by_index+0x5e/0x80 [11001.943574][ T7704] fib6_nh_init+0x3d8/0x15b0 [11001.943574][ T7704] ip6_route_info_create+0xf18/0x17d0 [11001.943574][ T7704] ip6_route_add+0x1c/0x140 [11001.943574][ T7704] addrconf_prefix_route+0x2a6/0x430 [11001.943574][ T7704] inet6_addr_add+0x4f8/0xa40 [11001.943574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11001.943574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11001.943574][ T7704] netlink_rcv_skb+0x130/0x360 [11001.943574][ T7704] netlink_unicast+0x449/0x710 [11001.943574][ T7704] netlink_sendmsg+0x723/0xbe0 [11001.943574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11001.943574][ T7704] ___sys_sendmsg+0xee/0x170 [11001.943574][ T7704] __sys_sendmsg+0xcd/0x170 [11001.943574][ T7704] do_syscall_64+0xc6/0x1e0 [11001.943574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11001.943574][ T7704] [11001.945853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11001.945853][ T7704] netdev_get_by_index+0x5e/0x80 [11001.945853][ T7704] fib6_nh_init+0x3d8/0x15b0 [11001.945853][ T7704] ip6_route_info_create+0xf18/0x17d0 [11001.945853][ T7704] addrconf_f6i_alloc+0x315/0x560 [11001.945853][ T7704] ipv6_add_addr+0x411/0x2000 [11001.945853][ T7704] inet6_addr_add+0x30e/0xa40 [11001.945853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11001.945853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11001.945853][ T7704] netlink_rcv_skb+0x130/0x360 [11001.945853][ T7704] netlink_unicast+0x449/0x710 [11001.945853][ T7704] netlink_sendmsg+0x723/0xbe0 [11001.945853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11001.945853][ T7704] ___sys_sendmsg+0xee/0x170 [11001.945853][ T7704] __sys_sendmsg+0xcd/0x170 [11001.945853][ T7704] do_syscall_64+0xc6/0x1e0 [11001.945853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11001.945853][ T7704] [11001.948148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11001.948148][ T7704] netdev_get_by_index+0x5e/0x80 [11001.948148][ T7704] fib6_nh_init+0x3d8/0x15b0 [11001.948148][ T7704] ip6_route_info_create+0xf18/0x17d0 [11001.948148][ T7704] ip6_route_add+0x1c/0x140 [11001.948148][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11001.948148][ T7704] addrconf_add_dev+0xe2/0x170 [11001.948148][ T7704] inet6_addr_add+0x12f/0xa40 [11001.948148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11001.948148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11001.948148][ T7704] netlink_rcv_skb+0x130/0x360 [11001.948148][ T7704] netlink_unicast+0x449/0x710 [11001.948148][ T7704] netlink_sendmsg+0x723/0xbe0 [11001.948148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11001.948148][ T7704] ___sys_sendmsg+0xee/0x170 [11001.948148][ T7704] __sys_sendmsg+0xcd/0x170 [11001.948148][ T7704] do_syscall_64+0xc6/0x1e0 [11001.948148][ T7704] [11001.950403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11001.950403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11001.950403][ T7704] ipv6_find_idev+0x102/0x170 [11001.950403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11001.950403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11001.950403][ T7704] netlink_rcv_skb+0x130/0x360 [11001.950403][ T7704] netlink_unicast+0x449/0x710 [11001.950403][ T7704] netlink_sendmsg+0x723/0xbe0 [11001.950403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11001.950403][ T7704] ___sys_sendmsg+0xee/0x170 [11001.950403][ T7704] __sys_sendmsg+0xcd/0x170 [11001.950403][ T7704] do_syscall_64+0xc6/0x1e0 [11001.950403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11001.950403][ T7704] [11001.952134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11001.952134][ T7704] neigh_parms_alloc+0x1e5/0x510 [11001.952134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11001.952134][ T7704] ipv6_find_idev+0x102/0x170 [11001.952134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11001.952134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11001.952134][ T7704] netlink_rcv_skb+0x130/0x360 [11001.952134][ T7704] netlink_unicast+0x449/0x710 [11001.952134][ T7704] netlink_sendmsg+0x723/0xbe0 [11001.952134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11001.952134][ T7704] ___sys_sendmsg+0xee/0x170 [11001.952134][ T7704] __sys_sendmsg+0xcd/0x170 [11001.952134][ T7704] do_syscall_64+0xc6/0x1e0 [11001.952134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11001.952134][ T7704] [11012.190917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11012.191502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11012.191502][ T7704] netdev_get_by_index+0x5e/0x80 [11012.191502][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.191502][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.191502][ T7704] ip6_route_add+0x1c/0x140 [11012.191502][ T7704] addrconf_prefix_route+0x2a6/0x430 [11012.191502][ T7704] inet6_addr_add+0x4f8/0xa40 [11012.191502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.191502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.191502][ T7704] netlink_rcv_skb+0x130/0x360 [11012.191502][ T7704] netlink_unicast+0x449/0x710 [11012.191502][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.191502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.191502][ T7704] ___sys_sendmsg+0xee/0x170 [11012.191502][ T7704] __sys_sendmsg+0xcd/0x170 [11012.191502][ T7704] do_syscall_64+0xc6/0x1e0 [11012.191502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.191502][ T7704] [11012.193941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11012.193941][ T7704] netdev_get_by_index+0x5e/0x80 [11012.193941][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.193941][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.193941][ T7704] addrconf_f6i_alloc+0x315/0x560 [11012.193941][ T7704] ipv6_add_addr+0x411/0x2000 [11012.193941][ T7704] inet6_addr_add+0x30e/0xa40 [11012.193941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.193941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.193941][ T7704] netlink_rcv_skb+0x130/0x360 [11012.193941][ T7704] netlink_unicast+0x449/0x710 [11012.193941][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.193941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.193941][ T7704] ___sys_sendmsg+0xee/0x170 [11012.193941][ T7704] __sys_sendmsg+0xcd/0x170 [11012.193941][ T7704] do_syscall_64+0xc6/0x1e0 [11012.193941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.193941][ T7704] [11012.196394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11012.196394][ T7704] netdev_get_by_index+0x5e/0x80 [11012.196394][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.196394][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.196394][ T7704] ip6_route_add+0x1c/0x140 [11012.196394][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11012.196394][ T7704] addrconf_add_dev+0xe2/0x170 [11012.196394][ T7704] inet6_addr_add+0x12f/0xa40 [11012.196394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.196394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.196394][ T7704] netlink_rcv_skb+0x130/0x360 [11012.196394][ T7704] netlink_unicast+0x449/0x710 [11012.196394][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.196394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.196394][ T7704] ___sys_sendmsg+0xee/0x170 [11012.196394][ T7704] __sys_sendmsg+0xcd/0x170 [11012.196394][ T7704] do_syscall_64+0xc6/0x1e0 [11012.196394][ T7704] [11012.198769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11012.198769][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11012.198769][ T7704] ipv6_find_idev+0x102/0x170 [11012.198769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11012.198769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.198769][ T7704] netlink_rcv_skb+0x130/0x360 [11012.198769][ T7704] netlink_unicast+0x449/0x710 [11012.198769][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.198769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.198769][ T7704] ___sys_sendmsg+0xee/0x170 [11012.198769][ T7704] __sys_sendmsg+0xcd/0x170 [11012.198769][ T7704] do_syscall_64+0xc6/0x1e0 [11012.198769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.198769][ T7704] [11012.200657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11012.200657][ T7704] neigh_parms_alloc+0x1e5/0x510 [11012.200657][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11012.200657][ T7704] ipv6_find_idev+0x102/0x170 [11012.200657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11012.200657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.200657][ T7704] netlink_rcv_skb+0x130/0x360 [11012.200657][ T7704] netlink_unicast+0x449/0x710 [11012.200657][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.200657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.200657][ T7704] ___sys_sendmsg+0xee/0x170 [11012.200657][ T7704] __sys_sendmsg+0xcd/0x170 [11012.200657][ T7704] do_syscall_64+0xc6/0x1e0 [11012.200657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.200657][ T7704] [11022.438909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11022.439416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11022.439416][ T7704] netdev_get_by_index+0x5e/0x80 [11022.439416][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.439416][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.439416][ T7704] ip6_route_add+0x1c/0x140 [11022.439416][ T7704] addrconf_prefix_route+0x2a6/0x430 [11022.439416][ T7704] inet6_addr_add+0x4f8/0xa40 [11022.439416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.439416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.439416][ T7704] netlink_rcv_skb+0x130/0x360 [11022.439416][ T7704] netlink_unicast+0x449/0x710 [11022.439416][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.439416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.439416][ T7704] ___sys_sendmsg+0xee/0x170 [11022.439416][ T7704] __sys_sendmsg+0xcd/0x170 [11022.439416][ T7704] do_syscall_64+0xc6/0x1e0 [11022.439416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.439416][ T7704] [11022.442658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11022.442658][ T7704] netdev_get_by_index+0x5e/0x80 [11022.442658][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.442658][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.442658][ T7704] addrconf_f6i_alloc+0x315/0x560 [11022.442658][ T7704] ipv6_add_addr+0x411/0x2000 [11022.442658][ T7704] inet6_addr_add+0x30e/0xa40 [11022.442658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.442658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.442658][ T7704] netlink_rcv_skb+0x130/0x360 [11022.442658][ T7704] netlink_unicast+0x449/0x710 [11022.442658][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.442658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.442658][ T7704] ___sys_sendmsg+0xee/0x170 [11022.442658][ T7704] __sys_sendmsg+0xcd/0x170 [11022.442658][ T7704] do_syscall_64+0xc6/0x1e0 [11022.442658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.442658][ T7704] [11022.445244][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11022.445244][ T7704] netdev_get_by_index+0x5e/0x80 [11022.445244][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.445244][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.445244][ T7704] ip6_route_add+0x1c/0x140 [11022.445244][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11022.445244][ T7704] addrconf_add_dev+0xe2/0x170 [11022.445244][ T7704] inet6_addr_add+0x12f/0xa40 [11022.445244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.445244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.445244][ T7704] netlink_rcv_skb+0x130/0x360 [11022.445244][ T7704] netlink_unicast+0x449/0x710 [11022.445244][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.445244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.445244][ T7704] ___sys_sendmsg+0xee/0x170 [11022.445244][ T7704] __sys_sendmsg+0xcd/0x170 [11022.445244][ T7704] do_syscall_64+0xc6/0x1e0 [11022.445244][ T7704] [11022.447773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11022.447773][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11022.447773][ T7704] ipv6_find_idev+0x102/0x170 [11022.447773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11022.447773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.447773][ T7704] netlink_rcv_skb+0x130/0x360 [11022.447773][ T7704] netlink_unicast+0x449/0x710 [11022.447773][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.447773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.447773][ T7704] ___sys_sendmsg+0xee/0x170 [11022.447773][ T7704] __sys_sendmsg+0xcd/0x170 [11022.447773][ T7704] do_syscall_64+0xc6/0x1e0 [11022.447773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.447773][ T7704] [11022.449707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11022.449707][ T7704] neigh_parms_alloc+0x1e5/0x510 [11022.449707][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11022.449707][ T7704] ipv6_find_idev+0x102/0x170 [11022.449707][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11022.449707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.449707][ T7704] netlink_rcv_skb+0x130/0x360 [11022.449707][ T7704] netlink_unicast+0x449/0x710 [11022.449707][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.449707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.449707][ T7704] ___sys_sendmsg+0xee/0x170 [11022.449707][ T7704] __sys_sendmsg+0xcd/0x170 [11022.449707][ T7704] do_syscall_64+0xc6/0x1e0 [11022.449707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.449707][ T7704] [11032.694945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11032.695463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11032.695463][ T7704] netdev_get_by_index+0x5e/0x80 [11032.695463][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.695463][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.695463][ T7704] ip6_route_add+0x1c/0x140 [11032.695463][ T7704] addrconf_prefix_route+0x2a6/0x430 [11032.695463][ T7704] inet6_addr_add+0x4f8/0xa40 [11032.695463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.695463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.695463][ T7704] netlink_rcv_skb+0x130/0x360 [11032.695463][ T7704] netlink_unicast+0x449/0x710 [11032.695463][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.695463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.695463][ T7704] ___sys_sendmsg+0xee/0x170 [11032.695463][ T7704] __sys_sendmsg+0xcd/0x170 [11032.695463][ T7704] do_syscall_64+0xc6/0x1e0 [11032.695463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.695463][ T7704] [11032.697928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11032.697928][ T7704] netdev_get_by_index+0x5e/0x80 [11032.697928][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.697928][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.697928][ T7704] addrconf_f6i_alloc+0x315/0x560 [11032.697928][ T7704] ipv6_add_addr+0x411/0x2000 [11032.697928][ T7704] inet6_addr_add+0x30e/0xa40 [11032.697928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.697928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.697928][ T7704] netlink_rcv_skb+0x130/0x360 [11032.697928][ T7704] netlink_unicast+0x449/0x710 [11032.697928][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.697928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.697928][ T7704] ___sys_sendmsg+0xee/0x170 [11032.697928][ T7704] __sys_sendmsg+0xcd/0x170 [11032.697928][ T7704] do_syscall_64+0xc6/0x1e0 [11032.697928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.697928][ T7704] [11032.700370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11032.700370][ T7704] netdev_get_by_index+0x5e/0x80 [11032.700370][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.700370][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.700370][ T7704] ip6_route_add+0x1c/0x140 [11032.700370][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11032.700370][ T7704] addrconf_add_dev+0xe2/0x170 [11032.700370][ T7704] inet6_addr_add+0x12f/0xa40 [11032.700370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.700370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.700370][ T7704] netlink_rcv_skb+0x130/0x360 [11032.700370][ T7704] netlink_unicast+0x449/0x710 [11032.700370][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.700370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.700370][ T7704] ___sys_sendmsg+0xee/0x170 [11032.700370][ T7704] __sys_sendmsg+0xcd/0x170 [11032.700370][ T7704] do_syscall_64+0xc6/0x1e0 [11032.700370][ T7704] [11032.702768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11032.702768][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11032.702768][ T7704] ipv6_find_idev+0x102/0x170 [11032.702768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11032.702768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.702768][ T7704] netlink_rcv_skb+0x130/0x360 [11032.702768][ T7704] netlink_unicast+0x449/0x710 [11032.702768][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.702768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.702768][ T7704] ___sys_sendmsg+0xee/0x170 [11032.702768][ T7704] __sys_sendmsg+0xcd/0x170 [11032.702768][ T7704] do_syscall_64+0xc6/0x1e0 [11032.702768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.702768][ T7704] [11032.704634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11032.704634][ T7704] neigh_parms_alloc+0x1e5/0x510 [11032.704634][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11032.704634][ T7704] ipv6_find_idev+0x102/0x170 [11032.704634][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11032.704634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.704634][ T7704] netlink_rcv_skb+0x130/0x360 [11032.704634][ T7704] netlink_unicast+0x449/0x710 [11032.704634][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.704634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.704634][ T7704] ___sys_sendmsg+0xee/0x170 [11032.704634][ T7704] __sys_sendmsg+0xcd/0x170 [11032.704634][ T7704] do_syscall_64+0xc6/0x1e0 [11032.704634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.704634][ T7704] [11042.726921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11042.727461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11042.727461][ T7704] netdev_get_by_index+0x5e/0x80 [11042.727461][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.727461][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.727461][ T7704] ip6_route_add+0x1c/0x140 [11042.727461][ T7704] addrconf_prefix_route+0x2a6/0x430 [11042.727461][ T7704] inet6_addr_add+0x4f8/0xa40 [11042.727461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.727461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.727461][ T7704] netlink_rcv_skb+0x130/0x360 [11042.727461][ T7704] netlink_unicast+0x449/0x710 [11042.727461][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.727461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.727461][ T7704] ___sys_sendmsg+0xee/0x170 [11042.727461][ T7704] __sys_sendmsg+0xcd/0x170 [11042.727461][ T7704] do_syscall_64+0xc6/0x1e0 [11042.727461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.727461][ T7704] [11042.729917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11042.729917][ T7704] netdev_get_by_index+0x5e/0x80 [11042.729917][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.729917][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.729917][ T7704] addrconf_f6i_alloc+0x315/0x560 [11042.729917][ T7704] ipv6_add_addr+0x411/0x2000 [11042.729917][ T7704] inet6_addr_add+0x30e/0xa40 [11042.729917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.729917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.729917][ T7704] netlink_rcv_skb+0x130/0x360 [11042.729917][ T7704] netlink_unicast+0x449/0x710 [11042.729917][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.729917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.729917][ T7704] ___sys_sendmsg+0xee/0x170 [11042.729917][ T7704] __sys_sendmsg+0xcd/0x170 [11042.729917][ T7704] do_syscall_64+0xc6/0x1e0 [11042.729917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.729917][ T7704] [11042.732351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11042.732351][ T7704] netdev_get_by_index+0x5e/0x80 [11042.732351][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.732351][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.732351][ T7704] ip6_route_add+0x1c/0x140 [11042.732351][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11042.732351][ T7704] addrconf_add_dev+0xe2/0x170 [11042.732351][ T7704] inet6_addr_add+0x12f/0xa40 [11042.732351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.732351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.732351][ T7704] netlink_rcv_skb+0x130/0x360 [11042.732351][ T7704] netlink_unicast+0x449/0x710 [11042.732351][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.732351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.732351][ T7704] ___sys_sendmsg+0xee/0x170 [11042.732351][ T7704] __sys_sendmsg+0xcd/0x170 [11042.732351][ T7704] do_syscall_64+0xc6/0x1e0 [11042.732351][ T7704] [11042.734770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11042.734770][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11042.734770][ T7704] ipv6_find_idev+0x102/0x170 [11042.734770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11042.734770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.734770][ T7704] netlink_rcv_skb+0x130/0x360 [11042.734770][ T7704] netlink_unicast+0x449/0x710 [11042.734770][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.734770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.734770][ T7704] ___sys_sendmsg+0xee/0x170 [11042.734770][ T7704] __sys_sendmsg+0xcd/0x170 [11042.734770][ T7704] do_syscall_64+0xc6/0x1e0 [11042.734770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.734770][ T7704] [11042.736644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11042.736644][ T7704] neigh_parms_alloc+0x1e5/0x510 [11042.736644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11042.736644][ T7704] ipv6_find_idev+0x102/0x170 [11042.736644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11042.736644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.736644][ T7704] netlink_rcv_skb+0x130/0x360 [11042.736644][ T7704] netlink_unicast+0x449/0x710 [11042.736644][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.736644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.736644][ T7704] ___sys_sendmsg+0xee/0x170 [11042.736644][ T7704] __sys_sendmsg+0xcd/0x170 [11042.736644][ T7704] do_syscall_64+0xc6/0x1e0 [11042.736644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.736644][ T7704] [11052.774987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11052.775537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11052.775537][ T7704] netdev_get_by_index+0x5e/0x80 [11052.775537][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.775537][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.775537][ T7704] ip6_route_add+0x1c/0x140 [11052.775537][ T7704] addrconf_prefix_route+0x2a6/0x430 [11052.775537][ T7704] inet6_addr_add+0x4f8/0xa40 [11052.775537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.775537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.775537][ T7704] netlink_rcv_skb+0x130/0x360 [11052.775537][ T7704] netlink_unicast+0x449/0x710 [11052.775537][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.775537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.775537][ T7704] ___sys_sendmsg+0xee/0x170 [11052.775537][ T7704] __sys_sendmsg+0xcd/0x170 [11052.775537][ T7704] do_syscall_64+0xc6/0x1e0 [11052.775537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.775537][ T7704] [11052.778012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11052.778012][ T7704] netdev_get_by_index+0x5e/0x80 [11052.778012][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.778012][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.778012][ T7704] addrconf_f6i_alloc+0x315/0x560 [11052.778012][ T7704] ipv6_add_addr+0x411/0x2000 [11052.778012][ T7704] inet6_addr_add+0x30e/0xa40 [11052.778012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.778012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.778012][ T7704] netlink_rcv_skb+0x130/0x360 [11052.778012][ T7704] netlink_unicast+0x449/0x710 [11052.778012][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.778012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.778012][ T7704] ___sys_sendmsg+0xee/0x170 [11052.778012][ T7704] __sys_sendmsg+0xcd/0x170 [11052.778012][ T7704] do_syscall_64+0xc6/0x1e0 [11052.778012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.778012][ T7704] [11052.780415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11052.780415][ T7704] netdev_get_by_index+0x5e/0x80 [11052.780415][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.780415][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.780415][ T7704] ip6_route_add+0x1c/0x140 [11052.780415][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11052.780415][ T7704] addrconf_add_dev+0xe2/0x170 [11052.780415][ T7704] inet6_addr_add+0x12f/0xa40 [11052.780415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.780415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.780415][ T7704] netlink_rcv_skb+0x130/0x360 [11052.780415][ T7704] netlink_unicast+0x449/0x710 [11052.780415][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.780415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.780415][ T7704] ___sys_sendmsg+0xee/0x170 [11052.780415][ T7704] __sys_sendmsg+0xcd/0x170 [11052.780415][ T7704] do_syscall_64+0xc6/0x1e0 [11052.780415][ T7704] [11052.782758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11052.782758][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11052.782758][ T7704] ipv6_find_idev+0x102/0x170 [11052.782758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11052.782758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.782758][ T7704] netlink_rcv_skb+0x130/0x360 [11052.782758][ T7704] netlink_unicast+0x449/0x710 [11052.782758][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.782758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.782758][ T7704] ___sys_sendmsg+0xee/0x170 [11052.782758][ T7704] __sys_sendmsg+0xcd/0x170 [11052.782758][ T7704] do_syscall_64+0xc6/0x1e0 [11052.782758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.782758][ T7704] [11052.784639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11052.784639][ T7704] neigh_parms_alloc+0x1e5/0x510 [11052.784639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11052.784639][ T7704] ipv6_find_idev+0x102/0x170 [11052.784639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11052.784639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.784639][ T7704] netlink_rcv_skb+0x130/0x360 [11052.784639][ T7704] netlink_unicast+0x449/0x710 [11052.784639][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.784639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.784639][ T7704] ___sys_sendmsg+0xee/0x170 [11052.784639][ T7704] __sys_sendmsg+0xcd/0x170 [11052.784639][ T7704] do_syscall_64+0xc6/0x1e0 [11052.784639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.784639][ T7704] [11063.022989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11063.023554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11063.023554][ T7704] netdev_get_by_index+0x5e/0x80 [11063.023554][ T7704] fib6_nh_init+0x3d8/0x15b0 [11063.023554][ T7704] ip6_route_info_create+0xf18/0x17d0 [11063.023554][ T7704] ip6_route_add+0x1c/0x140 [11063.023554][ T7704] addrconf_prefix_route+0x2a6/0x430 [11063.023554][ T7704] inet6_addr_add+0x4f8/0xa40 [11063.023554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11063.023554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11063.023554][ T7704] netlink_rcv_skb+0x130/0x360 [11063.023554][ T7704] netlink_unicast+0x449/0x710 [11063.023554][ T7704] netlink_sendmsg+0x723/0xbe0 [11063.023554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11063.023554][ T7704] ___sys_sendmsg+0xee/0x170 [11063.023554][ T7704] __sys_sendmsg+0xcd/0x170 [11063.023554][ T7704] do_syscall_64+0xc6/0x1e0 [11063.023554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11063.023554][ T7704] [11063.026004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11063.026004][ T7704] netdev_get_by_index+0x5e/0x80 [11063.026004][ T7704] fib6_nh_init+0x3d8/0x15b0 [11063.026004][ T7704] ip6_route_info_create+0xf18/0x17d0 [11063.026004][ T7704] addrconf_f6i_alloc+0x315/0x560 [11063.026004][ T7704] ipv6_add_addr+0x411/0x2000 [11063.026004][ T7704] inet6_addr_add+0x30e/0xa40 [11063.026004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11063.026004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11063.026004][ T7704] netlink_rcv_skb+0x130/0x360 [11063.026004][ T7704] netlink_unicast+0x449/0x710 [11063.026004][ T7704] netlink_sendmsg+0x723/0xbe0 [11063.026004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11063.026004][ T7704] ___sys_sendmsg+0xee/0x170 [11063.026004][ T7704] __sys_sendmsg+0xcd/0x170 [11063.026004][ T7704] do_syscall_64+0xc6/0x1e0 [11063.026004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11063.026004][ T7704] [11063.028460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11063.028460][ T7704] netdev_get_by_index+0x5e/0x80 [11063.028460][ T7704] fib6_nh_init+0x3d8/0x15b0 [11063.028460][ T7704] ip6_route_info_create+0xf18/0x17d0 [11063.028460][ T7704] ip6_route_add+0x1c/0x140 [11063.028460][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11063.028460][ T7704] addrconf_add_dev+0xe2/0x170 [11063.028460][ T7704] inet6_addr_add+0x12f/0xa40 [11063.028460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11063.028460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11063.028460][ T7704] netlink_rcv_skb+0x130/0x360 [11063.028460][ T7704] netlink_unicast+0x449/0x710 [11063.028460][ T7704] netlink_sendmsg+0x723/0xbe0 [11063.028460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11063.028460][ T7704] ___sys_sendmsg+0xee/0x170 [11063.028460][ T7704] __sys_sendmsg+0xcd/0x170 [11063.028460][ T7704] do_syscall_64+0xc6/0x1e0 [11063.028460][ T7704] [11063.030861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11063.030861][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11063.030861][ T7704] ipv6_find_idev+0x102/0x170 [11063.030861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11063.030861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11063.030861][ T7704] netlink_rcv_skb+0x130/0x360 [11063.030861][ T7704] netlink_unicast+0x449/0x710 [11063.030861][ T7704] netlink_sendmsg+0x723/0xbe0 [11063.030861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11063.030861][ T7704] ___sys_sendmsg+0xee/0x170 [11063.030861][ T7704] __sys_sendmsg+0xcd/0x170 [11063.030861][ T7704] do_syscall_64+0xc6/0x1e0 [11063.030861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11063.030861][ T7704] [11063.032733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11063.032733][ T7704] neigh_parms_alloc+0x1e5/0x510 [11063.032733][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11063.032733][ T7704] ipv6_find_idev+0x102/0x170 [11063.032733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11063.032733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11063.032733][ T7704] netlink_rcv_skb+0x130/0x360 [11063.032733][ T7704] netlink_unicast+0x449/0x710 [11063.032733][ T7704] netlink_sendmsg+0x723/0xbe0 [11063.032733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11063.032733][ T7704] ___sys_sendmsg+0xee/0x170 [11063.032733][ T7704] __sys_sendmsg+0xcd/0x170 [11063.032733][ T7704] do_syscall_64+0xc6/0x1e0 [11063.032733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11063.032733][ T7704] [11073.270982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11073.271589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11073.271589][ T7704] netdev_get_by_index+0x5e/0x80 [11073.271589][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.271589][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.271589][ T7704] ip6_route_add+0x1c/0x140 [11073.271589][ T7704] addrconf_prefix_route+0x2a6/0x430 [11073.271589][ T7704] inet6_addr_add+0x4f8/0xa40 [11073.271589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.271589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.271589][ T7704] netlink_rcv_skb+0x130/0x360 [11073.271589][ T7704] netlink_unicast+0x449/0x710 [11073.271589][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.271589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.271589][ T7704] ___sys_sendmsg+0xee/0x170 [11073.271589][ T7704] __sys_sendmsg+0xcd/0x170 [11073.271589][ T7704] do_syscall_64+0xc6/0x1e0 [11073.271589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.271589][ T7704] [11073.274019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11073.274019][ T7704] netdev_get_by_index+0x5e/0x80 [11073.274019][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.274019][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.274019][ T7704] addrconf_f6i_alloc+0x315/0x560 [11073.274019][ T7704] ipv6_add_addr+0x411/0x2000 [11073.274019][ T7704] inet6_addr_add+0x30e/0xa40 [11073.274019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.274019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.274019][ T7704] netlink_rcv_skb+0x130/0x360 [11073.274019][ T7704] netlink_unicast+0x449/0x710 [11073.274019][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.274019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.274019][ T7704] ___sys_sendmsg+0xee/0x170 [11073.274019][ T7704] __sys_sendmsg+0xcd/0x170 [11073.274019][ T7704] do_syscall_64+0xc6/0x1e0 [11073.274019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.274019][ T7704] [11073.276420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11073.276420][ T7704] netdev_get_by_index+0x5e/0x80 [11073.276420][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.276420][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.276420][ T7704] ip6_route_add+0x1c/0x140 [11073.276420][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11073.276420][ T7704] addrconf_add_dev+0xe2/0x170 [11073.276420][ T7704] inet6_addr_add+0x12f/0xa40 [11073.276420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.276420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.276420][ T7704] netlink_rcv_skb+0x130/0x360 [11073.276420][ T7704] netlink_unicast+0x449/0x710 [11073.276420][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.276420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.276420][ T7704] ___sys_sendmsg+0xee/0x170 [11073.276420][ T7704] __sys_sendmsg+0xcd/0x170 [11073.276420][ T7704] do_syscall_64+0xc6/0x1e0 [11073.276420][ T7704] [11073.278815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11073.278815][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11073.278815][ T7704] ipv6_find_idev+0x102/0x170 [11073.278815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11073.278815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.278815][ T7704] netlink_rcv_skb+0x130/0x360 [11073.278815][ T7704] netlink_unicast+0x449/0x710 [11073.278815][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.278815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.278815][ T7704] ___sys_sendmsg+0xee/0x170 [11073.278815][ T7704] __sys_sendmsg+0xcd/0x170 [11073.278815][ T7704] do_syscall_64+0xc6/0x1e0 [11073.278815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.278815][ T7704] [11073.280678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11073.280678][ T7704] neigh_parms_alloc+0x1e5/0x510 [11073.280678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11073.280678][ T7704] ipv6_find_idev+0x102/0x170 [11073.280678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11073.280678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.280678][ T7704] netlink_rcv_skb+0x130/0x360 [11073.280678][ T7704] netlink_unicast+0x449/0x710 [11073.280678][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.280678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.280678][ T7704] ___sys_sendmsg+0xee/0x170 [11073.280678][ T7704] __sys_sendmsg+0xcd/0x170 [11073.280678][ T7704] do_syscall_64+0xc6/0x1e0 [11073.280678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.280678][ T7704] [11083.350942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11083.351524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11083.351524][ T7704] netdev_get_by_index+0x5e/0x80 [11083.351524][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.351524][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.351524][ T7704] ip6_route_add+0x1c/0x140 [11083.351524][ T7704] addrconf_prefix_route+0x2a6/0x430 [11083.351524][ T7704] inet6_addr_add+0x4f8/0xa40 [11083.351524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.351524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.351524][ T7704] netlink_rcv_skb+0x130/0x360 [11083.351524][ T7704] netlink_unicast+0x449/0x710 [11083.351524][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.351524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.351524][ T7704] ___sys_sendmsg+0xee/0x170 [11083.351524][ T7704] __sys_sendmsg+0xcd/0x170 [11083.351524][ T7704] do_syscall_64+0xc6/0x1e0 [11083.351524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.351524][ T7704] [11083.354001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11083.354001][ T7704] netdev_get_by_index+0x5e/0x80 [11083.354001][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.354001][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.354001][ T7704] addrconf_f6i_alloc+0x315/0x560 [11083.354001][ T7704] ipv6_add_addr+0x411/0x2000 [11083.354001][ T7704] inet6_addr_add+0x30e/0xa40 [11083.354001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.354001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.354001][ T7704] netlink_rcv_skb+0x130/0x360 [11083.354001][ T7704] netlink_unicast+0x449/0x710 [11083.354001][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.354001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.354001][ T7704] ___sys_sendmsg+0xee/0x170 [11083.354001][ T7704] __sys_sendmsg+0xcd/0x170 [11083.354001][ T7704] do_syscall_64+0xc6/0x1e0 [11083.354001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.354001][ T7704] [11083.356424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11083.356424][ T7704] netdev_get_by_index+0x5e/0x80 [11083.356424][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.356424][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.356424][ T7704] ip6_route_add+0x1c/0x140 [11083.356424][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11083.356424][ T7704] addrconf_add_dev+0xe2/0x170 [11083.356424][ T7704] inet6_addr_add+0x12f/0xa40 [11083.356424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.356424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.356424][ T7704] netlink_rcv_skb+0x130/0x360 [11083.356424][ T7704] netlink_unicast+0x449/0x710 [11083.356424][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.356424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.356424][ T7704] ___sys_sendmsg+0xee/0x170 [11083.356424][ T7704] __sys_sendmsg+0xcd/0x170 [11083.356424][ T7704] do_syscall_64+0xc6/0x1e0 [11083.356424][ T7704] [11083.358803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11083.358803][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11083.358803][ T7704] ipv6_find_idev+0x102/0x170 [11083.358803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11083.358803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.358803][ T7704] netlink_rcv_skb+0x130/0x360 [11083.358803][ T7704] netlink_unicast+0x449/0x710 [11083.358803][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.358803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.358803][ T7704] ___sys_sendmsg+0xee/0x170 [11083.358803][ T7704] __sys_sendmsg+0xcd/0x170 [11083.358803][ T7704] do_syscall_64+0xc6/0x1e0 [11083.358803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.358803][ T7704] [11083.360672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11083.360672][ T7704] neigh_parms_alloc+0x1e5/0x510 [11083.360672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11083.360672][ T7704] ipv6_find_idev+0x102/0x170 [11083.360672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11083.360672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.360672][ T7704] netlink_rcv_skb+0x130/0x360 [11083.360672][ T7704] netlink_unicast+0x449/0x710 [11083.360672][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.360672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.360672][ T7704] ___sys_sendmsg+0xee/0x170 [11083.360672][ T7704] __sys_sendmsg+0xcd/0x170 [11083.360672][ T7704] do_syscall_64+0xc6/0x1e0 [11083.360672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.360672][ T7704] [11093.598908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11093.599407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11093.599407][ T7704] netdev_get_by_index+0x5e/0x80 [11093.599407][ T7704] fib6_nh_init+0x3d8/0x15b0 [11093.599407][ T7704] ip6_route_info_create+0xf18/0x17d0 [11093.599407][ T7704] ip6_route_add+0x1c/0x140 [11093.599407][ T7704] addrconf_prefix_route+0x2a6/0x430 [11093.599407][ T7704] inet6_addr_add+0x4f8/0xa40 [11093.599407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11093.599407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11093.599407][ T7704] netlink_rcv_skb+0x130/0x360 [11093.599407][ T7704] netlink_unicast+0x449/0x710 [11093.599407][ T7704] netlink_sendmsg+0x723/0xbe0 [11093.599407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11093.599407][ T7704] ___sys_sendmsg+0xee/0x170 [11093.599407][ T7704] __sys_sendmsg+0xcd/0x170 [11093.599407][ T7704] do_syscall_64+0xc6/0x1e0 [11093.599407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11093.599407][ T7704] [11093.601846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11093.601846][ T7704] netdev_get_by_index+0x5e/0x80 [11093.601846][ T7704] fib6_nh_init+0x3d8/0x15b0 [11093.601846][ T7704] ip6_route_info_create+0xf18/0x17d0 [11093.601846][ T7704] addrconf_f6i_alloc+0x315/0x560 [11093.601846][ T7704] ipv6_add_addr+0x411/0x2000 [11093.601846][ T7704] inet6_addr_add+0x30e/0xa40 [11093.601846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11093.601846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11093.601846][ T7704] netlink_rcv_skb+0x130/0x360 [11093.601846][ T7704] netlink_unicast+0x449/0x710 [11093.601846][ T7704] netlink_sendmsg+0x723/0xbe0 [11093.601846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11093.601846][ T7704] ___sys_sendmsg+0xee/0x170 [11093.601846][ T7704] __sys_sendmsg+0xcd/0x170 [11093.601846][ T7704] do_syscall_64+0xc6/0x1e0 [11093.601846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11093.601846][ T7704] [11093.604277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11093.604277][ T7704] netdev_get_by_index+0x5e/0x80 [11093.604277][ T7704] fib6_nh_init+0x3d8/0x15b0 [11093.604277][ T7704] ip6_route_info_create+0xf18/0x17d0 [11093.604277][ T7704] ip6_route_add+0x1c/0x140 [11093.604277][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11093.604277][ T7704] addrconf_add_dev+0xe2/0x170 [11093.604277][ T7704] inet6_addr_add+0x12f/0xa40 [11093.604277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11093.604277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11093.604277][ T7704] netlink_rcv_skb+0x130/0x360 [11093.604277][ T7704] netlink_unicast+0x449/0x710 [11093.604277][ T7704] netlink_sendmsg+0x723/0xbe0 [11093.604277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11093.604277][ T7704] ___sys_sendmsg+0xee/0x170 [11093.604277][ T7704] __sys_sendmsg+0xcd/0x170 [11093.604277][ T7704] do_syscall_64+0xc6/0x1e0 [11093.604277][ T7704] [11093.606664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11093.606664][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11093.606664][ T7704] ipv6_find_idev+0x102/0x170 [11093.606664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11093.606664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11093.606664][ T7704] netlink_rcv_skb+0x130/0x360 [11093.606664][ T7704] netlink_unicast+0x449/0x710 [11093.606664][ T7704] netlink_sendmsg+0x723/0xbe0 [11093.606664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11093.606664][ T7704] ___sys_sendmsg+0xee/0x170 [11093.606664][ T7704] __sys_sendmsg+0xcd/0x170 [11093.606664][ T7704] do_syscall_64+0xc6/0x1e0 [11093.606664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11093.606664][ T7704] [11093.608572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11093.608572][ T7704] neigh_parms_alloc+0x1e5/0x510 [11093.608572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11093.608572][ T7704] ipv6_find_idev+0x102/0x170 [11093.608572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11093.608572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11093.608572][ T7704] netlink_rcv_skb+0x130/0x360 [11093.608572][ T7704] netlink_unicast+0x449/0x710 [11093.608572][ T7704] netlink_sendmsg+0x723/0xbe0 [11093.608572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11093.608572][ T7704] ___sys_sendmsg+0xee/0x170 [11093.608572][ T7704] __sys_sendmsg+0xcd/0x170 [11093.608572][ T7704] do_syscall_64+0xc6/0x1e0 [11093.608572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11093.608572][ T7704] [11103.846890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11103.847426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11103.847426][ T7704] netdev_get_by_index+0x5e/0x80 [11103.847426][ T7704] fib6_nh_init+0x3d8/0x15b0 [11103.847426][ T7704] ip6_route_info_create+0xf18/0x17d0 [11103.847426][ T7704] ip6_route_add+0x1c/0x140 [11103.847426][ T7704] addrconf_prefix_route+0x2a6/0x430 [11103.847426][ T7704] inet6_addr_add+0x4f8/0xa40 [11103.847426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11103.847426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11103.847426][ T7704] netlink_rcv_skb+0x130/0x360 [11103.847426][ T7704] netlink_unicast+0x449/0x710 [11103.847426][ T7704] netlink_sendmsg+0x723/0xbe0 [11103.847426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11103.847426][ T7704] ___sys_sendmsg+0xee/0x170 [11103.847426][ T7704] __sys_sendmsg+0xcd/0x170 [11103.847426][ T7704] do_syscall_64+0xc6/0x1e0 [11103.847426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11103.847426][ T7704] [11103.849956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11103.849956][ T7704] netdev_get_by_index+0x5e/0x80 [11103.849956][ T7704] fib6_nh_init+0x3d8/0x15b0 [11103.849956][ T7704] ip6_route_info_create+0xf18/0x17d0 [11103.849956][ T7704] addrconf_f6i_alloc+0x315/0x560 [11103.849956][ T7704] ipv6_add_addr+0x411/0x2000 [11103.849956][ T7704] inet6_addr_add+0x30e/0xa40 [11103.849956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11103.849956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11103.849956][ T7704] netlink_rcv_skb+0x130/0x360 [11103.849956][ T7704] netlink_unicast+0x449/0x710 [11103.849956][ T7704] netlink_sendmsg+0x723/0xbe0 [11103.849956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11103.849956][ T7704] ___sys_sendmsg+0xee/0x170 [11103.849956][ T7704] __sys_sendmsg+0xcd/0x170 [11103.849956][ T7704] do_syscall_64+0xc6/0x1e0 [11103.849956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11103.849956][ T7704] [11103.852457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11103.852457][ T7704] netdev_get_by_index+0x5e/0x80 [11103.852457][ T7704] fib6_nh_init+0x3d8/0x15b0 [11103.852457][ T7704] ip6_route_info_create+0xf18/0x17d0 [11103.852457][ T7704] ip6_route_add+0x1c/0x140 [11103.852457][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11103.852457][ T7704] addrconf_add_dev+0xe2/0x170 [11103.852457][ T7704] inet6_addr_add+0x12f/0xa40 [11103.852457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11103.852457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11103.852457][ T7704] netlink_rcv_skb+0x130/0x360 [11103.852457][ T7704] netlink_unicast+0x449/0x710 [11103.852457][ T7704] netlink_sendmsg+0x723/0xbe0 [11103.852457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11103.852457][ T7704] ___sys_sendmsg+0xee/0x170 [11103.852457][ T7704] __sys_sendmsg+0xcd/0x170 [11103.852457][ T7704] do_syscall_64+0xc6/0x1e0 [11103.852457][ T7704] [11103.854936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11103.854936][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11103.854936][ T7704] ipv6_find_idev+0x102/0x170 [11103.854936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11103.854936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11103.854936][ T7704] netlink_rcv_skb+0x130/0x360 [11103.854936][ T7704] netlink_unicast+0x449/0x710 [11103.854936][ T7704] netlink_sendmsg+0x723/0xbe0 [11103.854936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11103.854936][ T7704] ___sys_sendmsg+0xee/0x170 [11103.854936][ T7704] __sys_sendmsg+0xcd/0x170 [11103.854936][ T7704] do_syscall_64+0xc6/0x1e0 [11103.854936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11103.854936][ T7704] [11103.856861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11103.856861][ T7704] neigh_parms_alloc+0x1e5/0x510 [11103.856861][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11103.856861][ T7704] ipv6_find_idev+0x102/0x170 [11103.856861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11103.856861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11103.856861][ T7704] netlink_rcv_skb+0x130/0x360 [11103.856861][ T7704] netlink_unicast+0x449/0x710 [11103.856861][ T7704] netlink_sendmsg+0x723/0xbe0 [11103.856861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11103.856861][ T7704] ___sys_sendmsg+0xee/0x170 [11103.856861][ T7704] __sys_sendmsg+0xcd/0x170 [11103.856861][ T7704] do_syscall_64+0xc6/0x1e0 [11103.856861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11103.856861][ T7704] [11114.094876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11114.095412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11114.095412][ T7704] netdev_get_by_index+0x5e/0x80 [11114.095412][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.095412][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.095412][ T7704] ip6_route_add+0x1c/0x140 [11114.095412][ T7704] addrconf_prefix_route+0x2a6/0x430 [11114.095412][ T7704] inet6_addr_add+0x4f8/0xa40 [11114.095412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.095412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.095412][ T7704] netlink_rcv_skb+0x130/0x360 [11114.095412][ T7704] netlink_unicast+0x449/0x710 [11114.095412][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.095412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.095412][ T7704] ___sys_sendmsg+0xee/0x170 [11114.095412][ T7704] __sys_sendmsg+0xcd/0x170 [11114.095412][ T7704] do_syscall_64+0xc6/0x1e0 [11114.095412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.095412][ T7704] [11114.098019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11114.098019][ T7704] netdev_get_by_index+0x5e/0x80 [11114.098019][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.098019][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.098019][ T7704] addrconf_f6i_alloc+0x315/0x560 [11114.098019][ T7704] ipv6_add_addr+0x411/0x2000 [11114.098019][ T7704] inet6_addr_add+0x30e/0xa40 [11114.098019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.098019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.098019][ T7704] netlink_rcv_skb+0x130/0x360 [11114.098019][ T7704] netlink_unicast+0x449/0x710 [11114.098019][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.098019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.098019][ T7704] ___sys_sendmsg+0xee/0x170 [11114.098019][ T7704] __sys_sendmsg+0xcd/0x170 [11114.098019][ T7704] do_syscall_64+0xc6/0x1e0 [11114.098019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.098019][ T7704] [11114.100502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11114.100502][ T7704] netdev_get_by_index+0x5e/0x80 [11114.100502][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.100502][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.100502][ T7704] ip6_route_add+0x1c/0x140 [11114.100502][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11114.100502][ T7704] addrconf_add_dev+0xe2/0x170 [11114.100502][ T7704] inet6_addr_add+0x12f/0xa40 [11114.100502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.100502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.100502][ T7704] netlink_rcv_skb+0x130/0x360 [11114.100502][ T7704] netlink_unicast+0x449/0x710 [11114.100502][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.100502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.100502][ T7704] ___sys_sendmsg+0xee/0x170 [11114.100502][ T7704] __sys_sendmsg+0xcd/0x170 [11114.100502][ T7704] do_syscall_64+0xc6/0x1e0 [11114.100502][ T7704] [11114.102935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11114.102935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11114.102935][ T7704] ipv6_find_idev+0x102/0x170 [11114.102935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11114.102935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.102935][ T7704] netlink_rcv_skb+0x130/0x360 [11114.102935][ T7704] netlink_unicast+0x449/0x710 [11114.102935][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.102935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.102935][ T7704] ___sys_sendmsg+0xee/0x170 [11114.102935][ T7704] __sys_sendmsg+0xcd/0x170 [11114.102935][ T7704] do_syscall_64+0xc6/0x1e0 [11114.102935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.102935][ T7704] [11114.104905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11114.104905][ T7704] neigh_parms_alloc+0x1e5/0x510 [11114.104905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11114.104905][ T7704] ipv6_find_idev+0x102/0x170 [11114.104905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11114.104905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.104905][ T7704] netlink_rcv_skb+0x130/0x360 [11114.104905][ T7704] netlink_unicast+0x449/0x710 [11114.104905][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.104905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.104905][ T7704] ___sys_sendmsg+0xee/0x170 [11114.104905][ T7704] __sys_sendmsg+0xcd/0x170 [11114.104905][ T7704] do_syscall_64+0xc6/0x1e0 [11114.104905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.104905][ T7704] [11124.342965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11124.343498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11124.343498][ T7704] netdev_get_by_index+0x5e/0x80 [11124.343498][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.343498][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.343498][ T7704] ip6_route_add+0x1c/0x140 [11124.343498][ T7704] addrconf_prefix_route+0x2a6/0x430 [11124.343498][ T7704] inet6_addr_add+0x4f8/0xa40 [11124.343498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.343498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.343498][ T7704] netlink_rcv_skb+0x130/0x360 [11124.343498][ T7704] netlink_unicast+0x449/0x710 [11124.343498][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.343498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.343498][ T7704] ___sys_sendmsg+0xee/0x170 [11124.343498][ T7704] __sys_sendmsg+0xcd/0x170 [11124.343498][ T7704] do_syscall_64+0xc6/0x1e0 [11124.343498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.343498][ T7704] [11124.345961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11124.345961][ T7704] netdev_get_by_index+0x5e/0x80 [11124.345961][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.345961][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.345961][ T7704] addrconf_f6i_alloc+0x315/0x560 [11124.345961][ T7704] ipv6_add_addr+0x411/0x2000 [11124.345961][ T7704] inet6_addr_add+0x30e/0xa40 [11124.345961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.345961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.345961][ T7704] netlink_rcv_skb+0x130/0x360 [11124.345961][ T7704] netlink_unicast+0x449/0x710 [11124.345961][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.345961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.345961][ T7704] ___sys_sendmsg+0xee/0x170 [11124.345961][ T7704] __sys_sendmsg+0xcd/0x170 [11124.345961][ T7704] do_syscall_64+0xc6/0x1e0 [11124.345961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.345961][ T7704] [11124.348385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11124.348385][ T7704] netdev_get_by_index+0x5e/0x80 [11124.348385][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.348385][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.348385][ T7704] ip6_route_add+0x1c/0x140 [11124.348385][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11124.348385][ T7704] addrconf_add_dev+0xe2/0x170 [11124.348385][ T7704] inet6_addr_add+0x12f/0xa40 [11124.348385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.348385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.348385][ T7704] netlink_rcv_skb+0x130/0x360 [11124.348385][ T7704] netlink_unicast+0x449/0x710 [11124.348385][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.348385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.348385][ T7704] ___sys_sendmsg+0xee/0x170 [11124.348385][ T7704] __sys_sendmsg+0xcd/0x170 [11124.348385][ T7704] do_syscall_64+0xc6/0x1e0 [11124.348385][ T7704] [11124.350777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11124.350777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11124.350777][ T7704] ipv6_find_idev+0x102/0x170 [11124.350777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11124.350777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.350777][ T7704] netlink_rcv_skb+0x130/0x360 [11124.350777][ T7704] netlink_unicast+0x449/0x710 [11124.350777][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.350777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.350777][ T7704] ___sys_sendmsg+0xee/0x170 [11124.350777][ T7704] __sys_sendmsg+0xcd/0x170 [11124.350777][ T7704] do_syscall_64+0xc6/0x1e0 [11124.350777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.350777][ T7704] [11124.352644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11124.352644][ T7704] neigh_parms_alloc+0x1e5/0x510 [11124.352644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11124.352644][ T7704] ipv6_find_idev+0x102/0x170 [11124.352644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11124.352644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.352644][ T7704] netlink_rcv_skb+0x130/0x360 [11124.352644][ T7704] netlink_unicast+0x449/0x710 [11124.352644][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.352644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.352644][ T7704] ___sys_sendmsg+0xee/0x170 [11124.352644][ T7704] __sys_sendmsg+0xcd/0x170 [11124.352644][ T7704] do_syscall_64+0xc6/0x1e0 [11124.352644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.352644][ T7704] [11134.590978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11134.591496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11134.591496][ T7704] netdev_get_by_index+0x5e/0x80 [11134.591496][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.591496][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.591496][ T7704] ip6_route_add+0x1c/0x140 [11134.591496][ T7704] addrconf_prefix_route+0x2a6/0x430 [11134.591496][ T7704] inet6_addr_add+0x4f8/0xa40 [11134.591496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.591496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.591496][ T7704] netlink_rcv_skb+0x130/0x360 [11134.591496][ T7704] netlink_unicast+0x449/0x710 [11134.591496][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.591496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.591496][ T7704] ___sys_sendmsg+0xee/0x170 [11134.591496][ T7704] __sys_sendmsg+0xcd/0x170 [11134.591496][ T7704] do_syscall_64+0xc6/0x1e0 [11134.591496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.591496][ T7704] [11134.593942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11134.593942][ T7704] netdev_get_by_index+0x5e/0x80 [11134.593942][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.593942][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.593942][ T7704] addrconf_f6i_alloc+0x315/0x560 [11134.593942][ T7704] ipv6_add_addr+0x411/0x2000 [11134.593942][ T7704] inet6_addr_add+0x30e/0xa40 [11134.593942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.593942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.593942][ T7704] netlink_rcv_skb+0x130/0x360 [11134.593942][ T7704] netlink_unicast+0x449/0x710 [11134.593942][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.593942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.593942][ T7704] ___sys_sendmsg+0xee/0x170 [11134.593942][ T7704] __sys_sendmsg+0xcd/0x170 [11134.593942][ T7704] do_syscall_64+0xc6/0x1e0 [11134.593942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.593942][ T7704] [11134.596380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11134.596380][ T7704] netdev_get_by_index+0x5e/0x80 [11134.596380][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.596380][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.596380][ T7704] ip6_route_add+0x1c/0x140 [11134.596380][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11134.596380][ T7704] addrconf_add_dev+0xe2/0x170 [11134.596380][ T7704] inet6_addr_add+0x12f/0xa40 [11134.596380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.596380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.596380][ T7704] netlink_rcv_skb+0x130/0x360 [11134.596380][ T7704] netlink_unicast+0x449/0x710 [11134.596380][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.596380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.596380][ T7704] ___sys_sendmsg+0xee/0x170 [11134.596380][ T7704] __sys_sendmsg+0xcd/0x170 [11134.596380][ T7704] do_syscall_64+0xc6/0x1e0 [11134.596380][ T7704] [11134.598787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11134.598787][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11134.598787][ T7704] ipv6_find_idev+0x102/0x170 [11134.598787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11134.598787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.598787][ T7704] netlink_rcv_skb+0x130/0x360 [11134.598787][ T7704] netlink_unicast+0x449/0x710 [11134.598787][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.598787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.598787][ T7704] ___sys_sendmsg+0xee/0x170 [11134.598787][ T7704] __sys_sendmsg+0xcd/0x170 [11134.598787][ T7704] do_syscall_64+0xc6/0x1e0 [11134.598787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.598787][ T7704] [11134.600664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11134.600664][ T7704] neigh_parms_alloc+0x1e5/0x510 [11134.600664][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11134.600664][ T7704] ipv6_find_idev+0x102/0x170 [11134.600664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11134.600664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.600664][ T7704] netlink_rcv_skb+0x130/0x360 [11134.600664][ T7704] netlink_unicast+0x449/0x710 [11134.600664][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.600664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.600664][ T7704] ___sys_sendmsg+0xee/0x170 [11134.600664][ T7704] __sys_sendmsg+0xcd/0x170 [11134.600664][ T7704] do_syscall_64+0xc6/0x1e0 [11134.600664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.600664][ T7704] [11144.606974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11144.607500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11144.607500][ T7704] netdev_get_by_index+0x5e/0x80 [11144.607500][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.607500][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.607500][ T7704] ip6_route_add+0x1c/0x140 [11144.607500][ T7704] addrconf_prefix_route+0x2a6/0x430 [11144.607500][ T7704] inet6_addr_add+0x4f8/0xa40 [11144.607500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.607500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.607500][ T7704] netlink_rcv_skb+0x130/0x360 [11144.607500][ T7704] netlink_unicast+0x449/0x710 [11144.607500][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.607500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.607500][ T7704] ___sys_sendmsg+0xee/0x170 [11144.607500][ T7704] __sys_sendmsg+0xcd/0x170 [11144.607500][ T7704] do_syscall_64+0xc6/0x1e0 [11144.607500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.607500][ T7704] [11144.610501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11144.610501][ T7704] netdev_get_by_index+0x5e/0x80 [11144.610501][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.610501][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.610501][ T7704] addrconf_f6i_alloc+0x315/0x560 [11144.610501][ T7704] ipv6_add_addr+0x411/0x2000 [11144.610501][ T7704] inet6_addr_add+0x30e/0xa40 [11144.610501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.610501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.610501][ T7704] netlink_rcv_skb+0x130/0x360 [11144.610501][ T7704] netlink_unicast+0x449/0x710 [11144.610501][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.610501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.610501][ T7704] ___sys_sendmsg+0xee/0x170 [11144.610501][ T7704] __sys_sendmsg+0xcd/0x170 [11144.610501][ T7704] do_syscall_64+0xc6/0x1e0 [11144.610501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.610501][ T7704] [11144.612922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11144.612922][ T7704] netdev_get_by_index+0x5e/0x80 [11144.612922][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.612922][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.612922][ T7704] ip6_route_add+0x1c/0x140 [11144.612922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11144.612922][ T7704] addrconf_add_dev+0xe2/0x170 [11144.612922][ T7704] inet6_addr_add+0x12f/0xa40 [11144.612922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.612922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.612922][ T7704] netlink_rcv_skb+0x130/0x360 [11144.612922][ T7704] netlink_unicast+0x449/0x710 [11144.612922][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.612922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.612922][ T7704] ___sys_sendmsg+0xee/0x170 [11144.612922][ T7704] __sys_sendmsg+0xcd/0x170 [11144.612922][ T7704] do_syscall_64+0xc6/0x1e0 [11144.612922][ T7704] [11144.615294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11144.615294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11144.615294][ T7704] ipv6_find_idev+0x102/0x170 [11144.615294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11144.615294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.615294][ T7704] netlink_rcv_skb+0x130/0x360 [11144.615294][ T7704] netlink_unicast+0x449/0x710 [11144.615294][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.615294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.615294][ T7704] ___sys_sendmsg+0xee/0x170 [11144.615294][ T7704] __sys_sendmsg+0xcd/0x170 [11144.615294][ T7704] do_syscall_64+0xc6/0x1e0 [11144.615294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.615294][ T7704] [11144.617178][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11144.617178][ T7704] neigh_parms_alloc+0x1e5/0x510 [11144.617178][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11144.617178][ T7704] ipv6_find_idev+0x102/0x170 [11144.617178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11144.617178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.617178][ T7704] netlink_rcv_skb+0x130/0x360 [11144.617178][ T7704] netlink_unicast+0x449/0x710 [11144.617178][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.617178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.617178][ T7704] ___sys_sendmsg+0xee/0x170 [11144.617178][ T7704] __sys_sendmsg+0xcd/0x170 [11144.617178][ T7704] do_syscall_64+0xc6/0x1e0 [11144.617178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.617178][ T7704] [11154.799014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11154.799525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11154.799525][ T7704] netdev_get_by_index+0x5e/0x80 [11154.799525][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.799525][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.799525][ T7704] ip6_route_add+0x1c/0x140 [11154.799525][ T7704] addrconf_prefix_route+0x2a6/0x430 [11154.799525][ T7704] inet6_addr_add+0x4f8/0xa40 [11154.799525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.799525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.799525][ T7704] netlink_rcv_skb+0x130/0x360 [11154.799525][ T7704] netlink_unicast+0x449/0x710 [11154.799525][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.799525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.799525][ T7704] ___sys_sendmsg+0xee/0x170 [11154.799525][ T7704] __sys_sendmsg+0xcd/0x170 [11154.799525][ T7704] do_syscall_64+0xc6/0x1e0 [11154.799525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.799525][ T7704] [11154.802001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11154.802001][ T7704] netdev_get_by_index+0x5e/0x80 [11154.802001][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.802001][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.802001][ T7704] addrconf_f6i_alloc+0x315/0x560 [11154.802001][ T7704] ipv6_add_addr+0x411/0x2000 [11154.802001][ T7704] inet6_addr_add+0x30e/0xa40 [11154.802001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.802001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.802001][ T7704] netlink_rcv_skb+0x130/0x360 [11154.802001][ T7704] netlink_unicast+0x449/0x710 [11154.802001][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.802001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.802001][ T7704] ___sys_sendmsg+0xee/0x170 [11154.802001][ T7704] __sys_sendmsg+0xcd/0x170 [11154.802001][ T7704] do_syscall_64+0xc6/0x1e0 [11154.802001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.802001][ T7704] [11154.804413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11154.804413][ T7704] netdev_get_by_index+0x5e/0x80 [11154.804413][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.804413][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.804413][ T7704] ip6_route_add+0x1c/0x140 [11154.804413][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11154.804413][ T7704] addrconf_add_dev+0xe2/0x170 [11154.804413][ T7704] inet6_addr_add+0x12f/0xa40 [11154.804413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.804413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.804413][ T7704] netlink_rcv_skb+0x130/0x360 [11154.804413][ T7704] netlink_unicast+0x449/0x710 [11154.804413][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.804413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.804413][ T7704] ___sys_sendmsg+0xee/0x170 [11154.804413][ T7704] __sys_sendmsg+0xcd/0x170 [11154.804413][ T7704] do_syscall_64+0xc6/0x1e0 [11154.804413][ T7704] [11154.806813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11154.806813][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11154.806813][ T7704] ipv6_find_idev+0x102/0x170 [11154.806813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11154.806813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.806813][ T7704] netlink_rcv_skb+0x130/0x360 [11154.806813][ T7704] netlink_unicast+0x449/0x710 [11154.806813][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.806813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.806813][ T7704] ___sys_sendmsg+0xee/0x170 [11154.806813][ T7704] __sys_sendmsg+0xcd/0x170 [11154.806813][ T7704] do_syscall_64+0xc6/0x1e0 [11154.806813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.806813][ T7704] [11154.808699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11154.808699][ T7704] neigh_parms_alloc+0x1e5/0x510 [11154.808699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11154.808699][ T7704] ipv6_find_idev+0x102/0x170 [11154.808699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11154.808699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.808699][ T7704] netlink_rcv_skb+0x130/0x360 [11154.808699][ T7704] netlink_unicast+0x449/0x710 [11154.808699][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.808699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.808699][ T7704] ___sys_sendmsg+0xee/0x170 [11154.808699][ T7704] __sys_sendmsg+0xcd/0x170 [11154.808699][ T7704] do_syscall_64+0xc6/0x1e0 [11154.808699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.808699][ T7704] [11164.846882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11164.847410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11164.847410][ T7704] netdev_get_by_index+0x5e/0x80 [11164.847410][ T7704] fib6_nh_init+0x3d8/0x15b0 [11164.847410][ T7704] ip6_route_info_create+0xf18/0x17d0 [11164.847410][ T7704] ip6_route_add+0x1c/0x140 [11164.847410][ T7704] addrconf_prefix_route+0x2a6/0x430 [11164.847410][ T7704] inet6_addr_add+0x4f8/0xa40 [11164.847410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11164.847410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11164.847410][ T7704] netlink_rcv_skb+0x130/0x360 [11164.847410][ T7704] netlink_unicast+0x449/0x710 [11164.847410][ T7704] netlink_sendmsg+0x723/0xbe0 [11164.847410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11164.847410][ T7704] ___sys_sendmsg+0xee/0x170 [11164.847410][ T7704] __sys_sendmsg+0xcd/0x170 [11164.847410][ T7704] do_syscall_64+0xc6/0x1e0 [11164.847410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11164.847410][ T7704] [11164.849867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11164.849867][ T7704] netdev_get_by_index+0x5e/0x80 [11164.849867][ T7704] fib6_nh_init+0x3d8/0x15b0 [11164.849867][ T7704] ip6_route_info_create+0xf18/0x17d0 [11164.849867][ T7704] addrconf_f6i_alloc+0x315/0x560 [11164.849867][ T7704] ipv6_add_addr+0x411/0x2000 [11164.849867][ T7704] inet6_addr_add+0x30e/0xa40 [11164.849867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11164.849867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11164.849867][ T7704] netlink_rcv_skb+0x130/0x360 [11164.849867][ T7704] netlink_unicast+0x449/0x710 [11164.849867][ T7704] netlink_sendmsg+0x723/0xbe0 [11164.849867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11164.849867][ T7704] ___sys_sendmsg+0xee/0x170 [11164.849867][ T7704] __sys_sendmsg+0xcd/0x170 [11164.849867][ T7704] do_syscall_64+0xc6/0x1e0 [11164.849867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11164.849867][ T7704] [11164.852301][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11164.852301][ T7704] netdev_get_by_index+0x5e/0x80 [11164.852301][ T7704] fib6_nh_init+0x3d8/0x15b0 [11164.852301][ T7704] ip6_route_info_create+0xf18/0x17d0 [11164.852301][ T7704] ip6_route_add+0x1c/0x140 [11164.852301][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11164.852301][ T7704] addrconf_add_dev+0xe2/0x170 [11164.852301][ T7704] inet6_addr_add+0x12f/0xa40 [11164.852301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11164.852301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11164.852301][ T7704] netlink_rcv_skb+0x130/0x360 [11164.852301][ T7704] netlink_unicast+0x449/0x710 [11164.852301][ T7704] netlink_sendmsg+0x723/0xbe0 [11164.852301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11164.852301][ T7704] ___sys_sendmsg+0xee/0x170 [11164.852301][ T7704] __sys_sendmsg+0xcd/0x170 [11164.852301][ T7704] do_syscall_64+0xc6/0x1e0 [11164.852301][ T7704] [11164.854688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11164.854688][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11164.854688][ T7704] ipv6_find_idev+0x102/0x170 [11164.854688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11164.854688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11164.854688][ T7704] netlink_rcv_skb+0x130/0x360 [11164.854688][ T7704] netlink_unicast+0x449/0x710 [11164.854688][ T7704] netlink_sendmsg+0x723/0xbe0 [11164.854688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11164.854688][ T7704] ___sys_sendmsg+0xee/0x170 [11164.854688][ T7704] __sys_sendmsg+0xcd/0x170 [11164.854688][ T7704] do_syscall_64+0xc6/0x1e0 [11164.854688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11164.854688][ T7704] [11164.856551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11164.856551][ T7704] neigh_parms_alloc+0x1e5/0x510 [11164.856551][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11164.856551][ T7704] ipv6_find_idev+0x102/0x170 [11164.856551][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11164.856551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11164.856551][ T7704] netlink_rcv_skb+0x130/0x360 [11164.856551][ T7704] netlink_unicast+0x449/0x710 [11164.856551][ T7704] netlink_sendmsg+0x723/0xbe0 [11164.856551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11164.856551][ T7704] ___sys_sendmsg+0xee/0x170 [11164.856551][ T7704] __sys_sendmsg+0xcd/0x170 [11164.856551][ T7704] do_syscall_64+0xc6/0x1e0 [11164.856551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11164.856551][ T7704] [11174.934906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11174.935431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11174.935431][ T7704] netdev_get_by_index+0x5e/0x80 [11174.935431][ T7704] fib6_nh_init+0x3d8/0x15b0 [11174.935431][ T7704] ip6_route_info_create+0xf18/0x17d0 [11174.935431][ T7704] ip6_route_add+0x1c/0x140 [11174.935431][ T7704] addrconf_prefix_route+0x2a6/0x430 [11174.935431][ T7704] inet6_addr_add+0x4f8/0xa40 [11174.935431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11174.935431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11174.935431][ T7704] netlink_rcv_skb+0x130/0x360 [11174.935431][ T7704] netlink_unicast+0x449/0x710 [11174.935431][ T7704] netlink_sendmsg+0x723/0xbe0 [11174.935431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11174.935431][ T7704] ___sys_sendmsg+0xee/0x170 [11174.935431][ T7704] __sys_sendmsg+0xcd/0x170 [11174.935431][ T7704] do_syscall_64+0xc6/0x1e0 [11174.935431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11174.935431][ T7704] [11174.938251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11174.938251][ T7704] netdev_get_by_index+0x5e/0x80 [11174.938251][ T7704] fib6_nh_init+0x3d8/0x15b0 [11174.938251][ T7704] ip6_route_info_create+0xf18/0x17d0 [11174.938251][ T7704] addrconf_f6i_alloc+0x315/0x560 [11174.938251][ T7704] ipv6_add_addr+0x411/0x2000 [11174.938251][ T7704] inet6_addr_add+0x30e/0xa40 [11174.938251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11174.938251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11174.938251][ T7704] netlink_rcv_skb+0x130/0x360 [11174.938251][ T7704] netlink_unicast+0x449/0x710 [11174.938251][ T7704] netlink_sendmsg+0x723/0xbe0 [11174.938251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11174.938251][ T7704] ___sys_sendmsg+0xee/0x170 [11174.938251][ T7704] __sys_sendmsg+0xcd/0x170 [11174.938251][ T7704] do_syscall_64+0xc6/0x1e0 [11174.938251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11174.938251][ T7704] [11174.940837][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11174.940837][ T7704] netdev_get_by_index+0x5e/0x80 [11174.940837][ T7704] fib6_nh_init+0x3d8/0x15b0 [11174.940837][ T7704] ip6_route_info_create+0xf18/0x17d0 [11174.940837][ T7704] ip6_route_add+0x1c/0x140 [11174.940837][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11174.940837][ T7704] addrconf_add_dev+0xe2/0x170 [11174.940837][ T7704] inet6_addr_add+0x12f/0xa40 [11174.940837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11174.940837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11174.940837][ T7704] netlink_rcv_skb+0x130/0x360 [11174.940837][ T7704] netlink_unicast+0x449/0x710 [11174.940837][ T7704] netlink_sendmsg+0x723/0xbe0 [11174.940837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11174.940837][ T7704] ___sys_sendmsg+0xee/0x170 [11174.940837][ T7704] __sys_sendmsg+0xcd/0x170 [11174.940837][ T7704] do_syscall_64+0xc6/0x1e0 [11174.940837][ T7704] [11174.943431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11174.943431][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11174.943431][ T7704] ipv6_find_idev+0x102/0x170 [11174.943431][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11174.943431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11174.943431][ T7704] netlink_rcv_skb+0x130/0x360 [11174.943431][ T7704] netlink_unicast+0x449/0x710 [11174.943431][ T7704] netlink_sendmsg+0x723/0xbe0 [11174.943431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11174.943431][ T7704] ___sys_sendmsg+0xee/0x170 [11174.943431][ T7704] __sys_sendmsg+0xcd/0x170 [11174.943431][ T7704] do_syscall_64+0xc6/0x1e0 [11174.943431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11174.943431][ T7704] [11174.945494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11174.945494][ T7704] neigh_parms_alloc+0x1e5/0x510 [11174.945494][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11174.945494][ T7704] ipv6_find_idev+0x102/0x170 [11174.945494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11174.945494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11174.945494][ T7704] netlink_rcv_skb+0x130/0x360 [11174.945494][ T7704] netlink_unicast+0x449/0x710 [11174.945494][ T7704] netlink_sendmsg+0x723/0xbe0 [11174.945494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11174.945494][ T7704] ___sys_sendmsg+0xee/0x170 [11174.945494][ T7704] __sys_sendmsg+0xcd/0x170 [11174.945494][ T7704] do_syscall_64+0xc6/0x1e0 [11174.945494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11174.945494][ T7704] [11185.142972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11185.158024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11185.158024][ T7704] netdev_get_by_index+0x5e/0x80 [11185.158024][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.158024][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.158024][ T7704] ip6_route_add+0x1c/0x140 [11185.158024][ T7704] addrconf_prefix_route+0x2a6/0x430 [11185.158024][ T7704] inet6_addr_add+0x4f8/0xa40 [11185.158024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.158024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.158024][ T7704] netlink_rcv_skb+0x130/0x360 [11185.158024][ T7704] netlink_unicast+0x449/0x710 [11185.158024][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.158024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.158024][ T7704] ___sys_sendmsg+0xee/0x170 [11185.158024][ T7704] __sys_sendmsg+0xcd/0x170 [11185.158024][ T7704] do_syscall_64+0xc6/0x1e0 [11185.158024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.158024][ T7704] [11185.162784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11185.162784][ T7704] netdev_get_by_index+0x5e/0x80 [11185.162784][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.162784][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.162784][ T7704] addrconf_f6i_alloc+0x315/0x560 [11185.162784][ T7704] ipv6_add_addr+0x411/0x2000 [11185.162784][ T7704] inet6_addr_add+0x30e/0xa40 [11185.162784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.162784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.162784][ T7704] netlink_rcv_skb+0x130/0x360 [11185.162784][ T7704] netlink_unicast+0x449/0x710 [11185.162784][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.162784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.162784][ T7704] ___sys_sendmsg+0xee/0x170 [11185.162784][ T7704] __sys_sendmsg+0xcd/0x170 [11185.162784][ T7704] do_syscall_64+0xc6/0x1e0 [11185.162784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.162784][ T7704] [11185.167849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11185.167849][ T7704] netdev_get_by_index+0x5e/0x80 [11185.167849][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.167849][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.167849][ T7704] ip6_route_add+0x1c/0x140 [11185.167849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11185.167849][ T7704] addrconf_add_dev+0xe2/0x170 [11185.167849][ T7704] inet6_addr_add+0x12f/0xa40 [11185.167849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.167849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.167849][ T7704] netlink_rcv_skb+0x130/0x360 [11185.167849][ T7704] netlink_unicast+0x449/0x710 [11185.167849][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.167849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.167849][ T7704] ___sys_sendmsg+0xee/0x170 [11185.167849][ T7704] __sys_sendmsg+0xcd/0x170 [11185.167849][ T7704] do_syscall_64+0xc6/0x1e0 [11185.167849][ T7704] [11185.172716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11185.172716][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11185.172716][ T7704] ipv6_find_idev+0x102/0x170 [11185.172716][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11185.172716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.172716][ T7704] netlink_rcv_skb+0x130/0x360 [11185.172716][ T7704] netlink_unicast+0x449/0x710 [11185.172716][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.172716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.172716][ T7704] ___sys_sendmsg+0xee/0x170 [11185.172716][ T7704] __sys_sendmsg+0xcd/0x170 [11185.172716][ T7704] do_syscall_64+0xc6/0x1e0 [11185.172716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.172716][ T7704] [11185.176602][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11185.176602][ T7704] neigh_parms_alloc+0x1e5/0x510 [11185.176602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11185.176602][ T7704] ipv6_find_idev+0x102/0x170 [11185.176602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11185.176602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.176602][ T7704] netlink_rcv_skb+0x130/0x360 [11185.176602][ T7704] netlink_unicast+0x449/0x710 [11185.176602][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.176602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.176602][ T7704] ___sys_sendmsg+0xee/0x170 [11185.176602][ T7704] __sys_sendmsg+0xcd/0x170 [11185.176602][ T7704] do_syscall_64+0xc6/0x1e0 [11185.176602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.176602][ T7704] [11195.422968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11195.423404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11195.423404][ T7704] netdev_get_by_index+0x5e/0x80 [11195.423404][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.423404][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.423404][ T7704] ip6_route_add+0x1c/0x140 [11195.423404][ T7704] addrconf_prefix_route+0x2a6/0x430 [11195.423404][ T7704] inet6_addr_add+0x4f8/0xa40 [11195.423404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.423404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.423404][ T7704] netlink_rcv_skb+0x130/0x360 [11195.423404][ T7704] netlink_unicast+0x449/0x710 [11195.423404][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.423404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.423404][ T7704] ___sys_sendmsg+0xee/0x170 [11195.423404][ T7704] __sys_sendmsg+0xcd/0x170 [11195.423404][ T7704] do_syscall_64+0xc6/0x1e0 [11195.423404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.423404][ T7704] [11195.425714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11195.425714][ T7704] netdev_get_by_index+0x5e/0x80 [11195.425714][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.425714][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.425714][ T7704] addrconf_f6i_alloc+0x315/0x560 [11195.425714][ T7704] ipv6_add_addr+0x411/0x2000 [11195.425714][ T7704] inet6_addr_add+0x30e/0xa40 [11195.425714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.425714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.425714][ T7704] netlink_rcv_skb+0x130/0x360 [11195.425714][ T7704] netlink_unicast+0x449/0x710 [11195.425714][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.425714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.425714][ T7704] ___sys_sendmsg+0xee/0x170 [11195.425714][ T7704] __sys_sendmsg+0xcd/0x170 [11195.425714][ T7704] do_syscall_64+0xc6/0x1e0 [11195.425714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.425714][ T7704] [11195.427942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11195.427942][ T7704] netdev_get_by_index+0x5e/0x80 [11195.427942][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.427942][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.427942][ T7704] ip6_route_add+0x1c/0x140 [11195.427942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11195.427942][ T7704] addrconf_add_dev+0xe2/0x170 [11195.427942][ T7704] inet6_addr_add+0x12f/0xa40 [11195.427942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.427942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.427942][ T7704] netlink_rcv_skb+0x130/0x360 [11195.427942][ T7704] netlink_unicast+0x449/0x710 [11195.427942][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.427942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.427942][ T7704] ___sys_sendmsg+0xee/0x170 [11195.427942][ T7704] __sys_sendmsg+0xcd/0x170 [11195.427942][ T7704] do_syscall_64+0xc6/0x1e0 [11195.427942][ T7704] [11195.430121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11195.430121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11195.430121][ T7704] ipv6_find_idev+0x102/0x170 [11195.430121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11195.430121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.430121][ T7704] netlink_rcv_skb+0x130/0x360 [11195.430121][ T7704] netlink_unicast+0x449/0x710 [11195.430121][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.430121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.430121][ T7704] ___sys_sendmsg+0xee/0x170 [11195.430121][ T7704] __sys_sendmsg+0xcd/0x170 [11195.430121][ T7704] do_syscall_64+0xc6/0x1e0 [11195.430121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.430121][ T7704] [11195.431826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11195.431826][ T7704] neigh_parms_alloc+0x1e5/0x510 [11195.431826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11195.431826][ T7704] ipv6_find_idev+0x102/0x170 [11195.431826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11195.431826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.431826][ T7704] netlink_rcv_skb+0x130/0x360 [11195.431826][ T7704] netlink_unicast+0x449/0x710 [11195.431826][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.431826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.431826][ T7704] ___sys_sendmsg+0xee/0x170 [11195.431826][ T7704] __sys_sendmsg+0xcd/0x170 [11195.431826][ T7704] do_syscall_64+0xc6/0x1e0 [11195.431826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.431826][ T7704] [11205.670990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11205.671492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11205.671492][ T7704] netdev_get_by_index+0x5e/0x80 [11205.671492][ T7704] fib6_nh_init+0x3d8/0x15b0 [11205.671492][ T7704] ip6_route_info_create+0xf18/0x17d0 [11205.671492][ T7704] ip6_route_add+0x1c/0x140 [11205.671492][ T7704] addrconf_prefix_route+0x2a6/0x430 [11205.671492][ T7704] inet6_addr_add+0x4f8/0xa40 [11205.671492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11205.671492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11205.671492][ T7704] netlink_rcv_skb+0x130/0x360 [11205.671492][ T7704] netlink_unicast+0x449/0x710 [11205.671492][ T7704] netlink_sendmsg+0x723/0xbe0 [11205.671492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11205.671492][ T7704] ___sys_sendmsg+0xee/0x170 [11205.671492][ T7704] __sys_sendmsg+0xcd/0x170 [11205.671492][ T7704] do_syscall_64+0xc6/0x1e0 [11205.671492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11205.671492][ T7704] [11205.673750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11205.673750][ T7704] netdev_get_by_index+0x5e/0x80 [11205.673750][ T7704] fib6_nh_init+0x3d8/0x15b0 [11205.673750][ T7704] ip6_route_info_create+0xf18/0x17d0 [11205.673750][ T7704] addrconf_f6i_alloc+0x315/0x560 [11205.673750][ T7704] ipv6_add_addr+0x411/0x2000 [11205.673750][ T7704] inet6_addr_add+0x30e/0xa40 [11205.673750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11205.673750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11205.673750][ T7704] netlink_rcv_skb+0x130/0x360 [11205.673750][ T7704] netlink_unicast+0x449/0x710 [11205.673750][ T7704] netlink_sendmsg+0x723/0xbe0 [11205.673750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11205.673750][ T7704] ___sys_sendmsg+0xee/0x170 [11205.673750][ T7704] __sys_sendmsg+0xcd/0x170 [11205.673750][ T7704] do_syscall_64+0xc6/0x1e0 [11205.673750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11205.673750][ T7704] [11205.676020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11205.676020][ T7704] netdev_get_by_index+0x5e/0x80 [11205.676020][ T7704] fib6_nh_init+0x3d8/0x15b0 [11205.676020][ T7704] ip6_route_info_create+0xf18/0x17d0 [11205.676020][ T7704] ip6_route_add+0x1c/0x140 [11205.676020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11205.676020][ T7704] addrconf_add_dev+0xe2/0x170 [11205.676020][ T7704] inet6_addr_add+0x12f/0xa40 [11205.676020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11205.676020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11205.676020][ T7704] netlink_rcv_skb+0x130/0x360 [11205.676020][ T7704] netlink_unicast+0x449/0x710 [11205.676020][ T7704] netlink_sendmsg+0x723/0xbe0 [11205.676020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11205.676020][ T7704] ___sys_sendmsg+0xee/0x170 [11205.676020][ T7704] __sys_sendmsg+0xcd/0x170 [11205.676020][ T7704] do_syscall_64+0xc6/0x1e0 [11205.676020][ T7704] [11205.678231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11205.678231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11205.678231][ T7704] ipv6_find_idev+0x102/0x170 [11205.678231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11205.678231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11205.678231][ T7704] netlink_rcv_skb+0x130/0x360 [11205.678231][ T7704] netlink_unicast+0x449/0x710 [11205.678231][ T7704] netlink_sendmsg+0x723/0xbe0 [11205.678231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11205.678231][ T7704] ___sys_sendmsg+0xee/0x170 [11205.678231][ T7704] __sys_sendmsg+0xcd/0x170 [11205.678231][ T7704] do_syscall_64+0xc6/0x1e0 [11205.678231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11205.678231][ T7704] [11205.679949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11205.679949][ T7704] neigh_parms_alloc+0x1e5/0x510 [11205.679949][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11205.679949][ T7704] ipv6_find_idev+0x102/0x170 [11205.679949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11205.679949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11205.679949][ T7704] netlink_rcv_skb+0x130/0x360 [11205.679949][ T7704] netlink_unicast+0x449/0x710 [11205.679949][ T7704] netlink_sendmsg+0x723/0xbe0 [11205.679949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11205.679949][ T7704] ___sys_sendmsg+0xee/0x170 [11205.679949][ T7704] __sys_sendmsg+0xcd/0x170 [11205.679949][ T7704] do_syscall_64+0xc6/0x1e0 [11205.679949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11205.679949][ T7704] [11215.734988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11215.735495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11215.735495][ T7704] netdev_get_by_index+0x5e/0x80 [11215.735495][ T7704] fib6_nh_init+0x3d8/0x15b0 [11215.735495][ T7704] ip6_route_info_create+0xf18/0x17d0 [11215.735495][ T7704] ip6_route_add+0x1c/0x140 [11215.735495][ T7704] addrconf_prefix_route+0x2a6/0x430 [11215.735495][ T7704] inet6_addr_add+0x4f8/0xa40 [11215.735495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11215.735495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11215.735495][ T7704] netlink_rcv_skb+0x130/0x360 [11215.735495][ T7704] netlink_unicast+0x449/0x710 [11215.735495][ T7704] netlink_sendmsg+0x723/0xbe0 [11215.735495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11215.735495][ T7704] ___sys_sendmsg+0xee/0x170 [11215.735495][ T7704] __sys_sendmsg+0xcd/0x170 [11215.735495][ T7704] do_syscall_64+0xc6/0x1e0 [11215.735495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11215.735495][ T7704] [11215.737759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11215.737759][ T7704] netdev_get_by_index+0x5e/0x80 [11215.737759][ T7704] fib6_nh_init+0x3d8/0x15b0 [11215.737759][ T7704] ip6_route_info_create+0xf18/0x17d0 [11215.737759][ T7704] addrconf_f6i_alloc+0x315/0x560 [11215.737759][ T7704] ipv6_add_addr+0x411/0x2000 [11215.737759][ T7704] inet6_addr_add+0x30e/0xa40 [11215.737759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11215.737759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11215.737759][ T7704] netlink_rcv_skb+0x130/0x360 [11215.737759][ T7704] netlink_unicast+0x449/0x710 [11215.737759][ T7704] netlink_sendmsg+0x723/0xbe0 [11215.737759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11215.737759][ T7704] ___sys_sendmsg+0xee/0x170 [11215.737759][ T7704] __sys_sendmsg+0xcd/0x170 [11215.737759][ T7704] do_syscall_64+0xc6/0x1e0 [11215.737759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11215.737759][ T7704] [11215.739982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11215.739982][ T7704] netdev_get_by_index+0x5e/0x80 [11215.739982][ T7704] fib6_nh_init+0x3d8/0x15b0 [11215.739982][ T7704] ip6_route_info_create+0xf18/0x17d0 [11215.739982][ T7704] ip6_route_add+0x1c/0x140 [11215.739982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11215.739982][ T7704] addrconf_add_dev+0xe2/0x170 [11215.739982][ T7704] inet6_addr_add+0x12f/0xa40 [11215.739982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11215.739982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11215.739982][ T7704] netlink_rcv_skb+0x130/0x360 [11215.739982][ T7704] netlink_unicast+0x449/0x710 [11215.739982][ T7704] netlink_sendmsg+0x723/0xbe0 [11215.739982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11215.739982][ T7704] ___sys_sendmsg+0xee/0x170 [11215.739982][ T7704] __sys_sendmsg+0xcd/0x170 [11215.739982][ T7704] do_syscall_64+0xc6/0x1e0 [11215.739982][ T7704] [11215.742192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11215.742192][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11215.742192][ T7704] ipv6_find_idev+0x102/0x170 [11215.742192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11215.742192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11215.742192][ T7704] netlink_rcv_skb+0x130/0x360 [11215.742192][ T7704] netlink_unicast+0x449/0x710 [11215.742192][ T7704] netlink_sendmsg+0x723/0xbe0 [11215.742192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11215.742192][ T7704] ___sys_sendmsg+0xee/0x170 [11215.742192][ T7704] __sys_sendmsg+0xcd/0x170 [11215.742192][ T7704] do_syscall_64+0xc6/0x1e0 [11215.742192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11215.742192][ T7704] [11215.743918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11215.743918][ T7704] neigh_parms_alloc+0x1e5/0x510 [11215.743918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11215.743918][ T7704] ipv6_find_idev+0x102/0x170 [11215.743918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11215.743918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11215.743918][ T7704] netlink_rcv_skb+0x130/0x360 [11215.743918][ T7704] netlink_unicast+0x449/0x710 [11215.743918][ T7704] netlink_sendmsg+0x723/0xbe0 [11215.743918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11215.743918][ T7704] ___sys_sendmsg+0xee/0x170 [11215.743918][ T7704] __sys_sendmsg+0xcd/0x170 [11215.743918][ T7704] do_syscall_64+0xc6/0x1e0 [11215.743918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11215.743918][ T7704] [11225.982952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11225.983386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11225.983386][ T7704] netdev_get_by_index+0x5e/0x80 [11225.983386][ T7704] fib6_nh_init+0x3d8/0x15b0 [11225.983386][ T7704] ip6_route_info_create+0xf18/0x17d0 [11225.983386][ T7704] ip6_route_add+0x1c/0x140 [11225.983386][ T7704] addrconf_prefix_route+0x2a6/0x430 [11225.983386][ T7704] inet6_addr_add+0x4f8/0xa40 [11225.983386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11225.983386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11225.983386][ T7704] netlink_rcv_skb+0x130/0x360 [11225.983386][ T7704] netlink_unicast+0x449/0x710 [11225.983386][ T7704] netlink_sendmsg+0x723/0xbe0 [11225.983386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11225.983386][ T7704] ___sys_sendmsg+0xee/0x170 [11225.983386][ T7704] __sys_sendmsg+0xcd/0x170 [11225.983386][ T7704] do_syscall_64+0xc6/0x1e0 [11225.983386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11225.983386][ T7704] [11225.985688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11225.985688][ T7704] netdev_get_by_index+0x5e/0x80 [11225.985688][ T7704] fib6_nh_init+0x3d8/0x15b0 [11225.985688][ T7704] ip6_route_info_create+0xf18/0x17d0 [11225.985688][ T7704] addrconf_f6i_alloc+0x315/0x560 [11225.985688][ T7704] ipv6_add_addr+0x411/0x2000 [11225.985688][ T7704] inet6_addr_add+0x30e/0xa40 [11225.985688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11225.985688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11225.985688][ T7704] netlink_rcv_skb+0x130/0x360 [11225.985688][ T7704] netlink_unicast+0x449/0x710 [11225.985688][ T7704] netlink_sendmsg+0x723/0xbe0 [11225.985688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11225.985688][ T7704] ___sys_sendmsg+0xee/0x170 [11225.985688][ T7704] __sys_sendmsg+0xcd/0x170 [11225.985688][ T7704] do_syscall_64+0xc6/0x1e0 [11225.985688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11225.985688][ T7704] [11225.987906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11225.987906][ T7704] netdev_get_by_index+0x5e/0x80 [11225.987906][ T7704] fib6_nh_init+0x3d8/0x15b0 [11225.987906][ T7704] ip6_route_info_create+0xf18/0x17d0 [11225.987906][ T7704] ip6_route_add+0x1c/0x140 [11225.987906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11225.987906][ T7704] addrconf_add_dev+0xe2/0x170 [11225.987906][ T7704] inet6_addr_add+0x12f/0xa40 [11225.987906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11225.987906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11225.987906][ T7704] netlink_rcv_skb+0x130/0x360 [11225.987906][ T7704] netlink_unicast+0x449/0x710 [11225.987906][ T7704] netlink_sendmsg+0x723/0xbe0 [11225.987906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11225.987906][ T7704] ___sys_sendmsg+0xee/0x170 [11225.987906][ T7704] __sys_sendmsg+0xcd/0x170 [11225.987906][ T7704] do_syscall_64+0xc6/0x1e0 [11225.987906][ T7704] [11225.990080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11225.990080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11225.990080][ T7704] ipv6_find_idev+0x102/0x170 [11225.990080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11225.990080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11225.990080][ T7704] netlink_rcv_skb+0x130/0x360 [11225.990080][ T7704] netlink_unicast+0x449/0x710 [11225.990080][ T7704] netlink_sendmsg+0x723/0xbe0 [11225.990080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11225.990080][ T7704] ___sys_sendmsg+0xee/0x170 [11225.990080][ T7704] __sys_sendmsg+0xcd/0x170 [11225.990080][ T7704] do_syscall_64+0xc6/0x1e0 [11225.990080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11225.990080][ T7704] [11225.991869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11225.991869][ T7704] neigh_parms_alloc+0x1e5/0x510 [11225.991869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11225.991869][ T7704] ipv6_find_idev+0x102/0x170 [11225.991869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11225.991869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11225.991869][ T7704] netlink_rcv_skb+0x130/0x360 [11225.991869][ T7704] netlink_unicast+0x449/0x710 [11225.991869][ T7704] netlink_sendmsg+0x723/0xbe0 [11225.991869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11225.991869][ T7704] ___sys_sendmsg+0xee/0x170 [11225.991869][ T7704] __sys_sendmsg+0xcd/0x170 [11225.991869][ T7704] do_syscall_64+0xc6/0x1e0 [11225.991869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11225.991869][ T7704] [11236.230990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11236.231448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11236.231448][ T7704] netdev_get_by_index+0x5e/0x80 [11236.231448][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.231448][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.231448][ T7704] ip6_route_add+0x1c/0x140 [11236.231448][ T7704] addrconf_prefix_route+0x2a6/0x430 [11236.231448][ T7704] inet6_addr_add+0x4f8/0xa40 [11236.231448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.231448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.231448][ T7704] netlink_rcv_skb+0x130/0x360 [11236.231448][ T7704] netlink_unicast+0x449/0x710 [11236.231448][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.231448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.231448][ T7704] ___sys_sendmsg+0xee/0x170 [11236.231448][ T7704] __sys_sendmsg+0xcd/0x170 [11236.231448][ T7704] do_syscall_64+0xc6/0x1e0 [11236.231448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.231448][ T7704] [11236.233796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11236.233796][ T7704] netdev_get_by_index+0x5e/0x80 [11236.233796][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.233796][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.233796][ T7704] addrconf_f6i_alloc+0x315/0x560 [11236.233796][ T7704] ipv6_add_addr+0x411/0x2000 [11236.233796][ T7704] inet6_addr_add+0x30e/0xa40 [11236.233796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.233796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.233796][ T7704] netlink_rcv_skb+0x130/0x360 [11236.233796][ T7704] netlink_unicast+0x449/0x710 [11236.233796][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.233796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.233796][ T7704] ___sys_sendmsg+0xee/0x170 [11236.233796][ T7704] __sys_sendmsg+0xcd/0x170 [11236.233796][ T7704] do_syscall_64+0xc6/0x1e0 [11236.233796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.233796][ T7704] [11236.236021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11236.236021][ T7704] netdev_get_by_index+0x5e/0x80 [11236.236021][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.236021][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.236021][ T7704] ip6_route_add+0x1c/0x140 [11236.236021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11236.236021][ T7704] addrconf_add_dev+0xe2/0x170 [11236.236021][ T7704] inet6_addr_add+0x12f/0xa40 [11236.236021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.236021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.236021][ T7704] netlink_rcv_skb+0x130/0x360 [11236.236021][ T7704] netlink_unicast+0x449/0x710 [11236.236021][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.236021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.236021][ T7704] ___sys_sendmsg+0xee/0x170 [11236.236021][ T7704] __sys_sendmsg+0xcd/0x170 [11236.236021][ T7704] do_syscall_64+0xc6/0x1e0 [11236.236021][ T7704] [11236.238259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11236.238259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11236.238259][ T7704] ipv6_find_idev+0x102/0x170 [11236.238259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11236.238259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.238259][ T7704] netlink_rcv_skb+0x130/0x360 [11236.238259][ T7704] netlink_unicast+0x449/0x710 [11236.238259][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.238259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.238259][ T7704] ___sys_sendmsg+0xee/0x170 [11236.238259][ T7704] __sys_sendmsg+0xcd/0x170 [11236.238259][ T7704] do_syscall_64+0xc6/0x1e0 [11236.238259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.238259][ T7704] [11236.240002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11236.240002][ T7704] neigh_parms_alloc+0x1e5/0x510 [11236.240002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11236.240002][ T7704] ipv6_find_idev+0x102/0x170 [11236.240002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11236.240002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.240002][ T7704] netlink_rcv_skb+0x130/0x360 [11236.240002][ T7704] netlink_unicast+0x449/0x710 [11236.240002][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.240002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.240002][ T7704] ___sys_sendmsg+0xee/0x170 [11236.240002][ T7704] __sys_sendmsg+0xcd/0x170 [11236.240002][ T7704] do_syscall_64+0xc6/0x1e0 [11236.240002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.240002][ T7704] [11246.479017][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11246.479538][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11246.479538][ T7704] netdev_get_by_index+0x5e/0x80 [11246.479538][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.479538][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.479538][ T7704] ip6_route_add+0x1c/0x140 [11246.479538][ T7704] addrconf_prefix_route+0x2a6/0x430 [11246.479538][ T7704] inet6_addr_add+0x4f8/0xa40 [11246.479538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.479538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.479538][ T7704] netlink_rcv_skb+0x130/0x360 [11246.479538][ T7704] netlink_unicast+0x449/0x710 [11246.479538][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.479538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.479538][ T7704] ___sys_sendmsg+0xee/0x170 [11246.479538][ T7704] __sys_sendmsg+0xcd/0x170 [11246.479538][ T7704] do_syscall_64+0xc6/0x1e0 [11246.479538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.479538][ T7704] [11246.481846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11246.481846][ T7704] netdev_get_by_index+0x5e/0x80 [11246.481846][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.481846][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.481846][ T7704] addrconf_f6i_alloc+0x315/0x560 [11246.481846][ T7704] ipv6_add_addr+0x411/0x2000 [11246.481846][ T7704] inet6_addr_add+0x30e/0xa40 [11246.481846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.481846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.481846][ T7704] netlink_rcv_skb+0x130/0x360 [11246.481846][ T7704] netlink_unicast+0x449/0x710 [11246.481846][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.481846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.481846][ T7704] ___sys_sendmsg+0xee/0x170 [11246.481846][ T7704] __sys_sendmsg+0xcd/0x170 [11246.481846][ T7704] do_syscall_64+0xc6/0x1e0 [11246.481846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.481846][ T7704] [11246.484109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11246.484109][ T7704] netdev_get_by_index+0x5e/0x80 [11246.484109][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.484109][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.484109][ T7704] ip6_route_add+0x1c/0x140 [11246.484109][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11246.484109][ T7704] addrconf_add_dev+0xe2/0x170 [11246.484109][ T7704] inet6_addr_add+0x12f/0xa40 [11246.484109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.484109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.484109][ T7704] netlink_rcv_skb+0x130/0x360 [11246.484109][ T7704] netlink_unicast+0x449/0x710 [11246.484109][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.484109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.484109][ T7704] ___sys_sendmsg+0xee/0x170 [11246.484109][ T7704] __sys_sendmsg+0xcd/0x170 [11246.484109][ T7704] do_syscall_64+0xc6/0x1e0 [11246.484109][ T7704] [11246.486332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11246.486332][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11246.486332][ T7704] ipv6_find_idev+0x102/0x170 [11246.486332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11246.486332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.486332][ T7704] netlink_rcv_skb+0x130/0x360 [11246.486332][ T7704] netlink_unicast+0x449/0x710 [11246.486332][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.486332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.486332][ T7704] ___sys_sendmsg+0xee/0x170 [11246.486332][ T7704] __sys_sendmsg+0xcd/0x170 [11246.486332][ T7704] do_syscall_64+0xc6/0x1e0 [11246.486332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.486332][ T7704] [11246.488097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11246.488097][ T7704] neigh_parms_alloc+0x1e5/0x510 [11246.488097][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11246.488097][ T7704] ipv6_find_idev+0x102/0x170 [11246.488097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11246.488097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.488097][ T7704] netlink_rcv_skb+0x130/0x360 [11246.488097][ T7704] netlink_unicast+0x449/0x710 [11246.488097][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.488097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.488097][ T7704] ___sys_sendmsg+0xee/0x170 [11246.488097][ T7704] __sys_sendmsg+0xcd/0x170 [11246.488097][ T7704] do_syscall_64+0xc6/0x1e0 [11246.488097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.488097][ T7704] [11256.726988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11256.727453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11256.727453][ T7704] netdev_get_by_index+0x5e/0x80 [11256.727453][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.727453][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.727453][ T7704] ip6_route_add+0x1c/0x140 [11256.727453][ T7704] addrconf_prefix_route+0x2a6/0x430 [11256.727453][ T7704] inet6_addr_add+0x4f8/0xa40 [11256.727453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.727453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.727453][ T7704] netlink_rcv_skb+0x130/0x360 [11256.727453][ T7704] netlink_unicast+0x449/0x710 [11256.727453][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.727453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.727453][ T7704] ___sys_sendmsg+0xee/0x170 [11256.727453][ T7704] __sys_sendmsg+0xcd/0x170 [11256.727453][ T7704] do_syscall_64+0xc6/0x1e0 [11256.727453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.727453][ T7704] [11256.729789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11256.729789][ T7704] netdev_get_by_index+0x5e/0x80 [11256.729789][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.729789][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.729789][ T7704] addrconf_f6i_alloc+0x315/0x560 [11256.729789][ T7704] ipv6_add_addr+0x411/0x2000 [11256.729789][ T7704] inet6_addr_add+0x30e/0xa40 [11256.729789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.729789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.729789][ T7704] netlink_rcv_skb+0x130/0x360 [11256.729789][ T7704] netlink_unicast+0x449/0x710 [11256.729789][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.729789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.729789][ T7704] ___sys_sendmsg+0xee/0x170 [11256.729789][ T7704] __sys_sendmsg+0xcd/0x170 [11256.729789][ T7704] do_syscall_64+0xc6/0x1e0 [11256.729789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.729789][ T7704] [11256.732118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11256.732118][ T7704] netdev_get_by_index+0x5e/0x80 [11256.732118][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.732118][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.732118][ T7704] ip6_route_add+0x1c/0x140 [11256.732118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11256.732118][ T7704] addrconf_add_dev+0xe2/0x170 [11256.732118][ T7704] inet6_addr_add+0x12f/0xa40 [11256.732118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.732118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.732118][ T7704] netlink_rcv_skb+0x130/0x360 [11256.732118][ T7704] netlink_unicast+0x449/0x710 [11256.732118][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.732118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.732118][ T7704] ___sys_sendmsg+0xee/0x170 [11256.732118][ T7704] __sys_sendmsg+0xcd/0x170 [11256.732118][ T7704] do_syscall_64+0xc6/0x1e0 [11256.732118][ T7704] [11256.734379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11256.734379][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11256.734379][ T7704] ipv6_find_idev+0x102/0x170 [11256.734379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11256.734379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.734379][ T7704] netlink_rcv_skb+0x130/0x360 [11256.734379][ T7704] netlink_unicast+0x449/0x710 [11256.734379][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.734379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.734379][ T7704] ___sys_sendmsg+0xee/0x170 [11256.734379][ T7704] __sys_sendmsg+0xcd/0x170 [11256.734379][ T7704] do_syscall_64+0xc6/0x1e0 [11256.734379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.734379][ T7704] [11256.736157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11256.736157][ T7704] neigh_parms_alloc+0x1e5/0x510 [11256.736157][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11256.736157][ T7704] ipv6_find_idev+0x102/0x170 [11256.736157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11256.736157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.736157][ T7704] netlink_rcv_skb+0x130/0x360 [11256.736157][ T7704] netlink_unicast+0x449/0x710 [11256.736157][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.736157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.736157][ T7704] ___sys_sendmsg+0xee/0x170 [11256.736157][ T7704] __sys_sendmsg+0xcd/0x170 [11256.736157][ T7704] do_syscall_64+0xc6/0x1e0 [11256.736157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.736157][ T7704] [11266.854977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11266.855489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11266.855489][ T7704] netdev_get_by_index+0x5e/0x80 [11266.855489][ T7704] fib6_nh_init+0x3d8/0x15b0 [11266.855489][ T7704] ip6_route_info_create+0xf18/0x17d0 [11266.855489][ T7704] ip6_route_add+0x1c/0x140 [11266.855489][ T7704] addrconf_prefix_route+0x2a6/0x430 [11266.855489][ T7704] inet6_addr_add+0x4f8/0xa40 [11266.855489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11266.855489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11266.855489][ T7704] netlink_rcv_skb+0x130/0x360 [11266.855489][ T7704] netlink_unicast+0x449/0x710 [11266.855489][ T7704] netlink_sendmsg+0x723/0xbe0 [11266.855489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11266.855489][ T7704] ___sys_sendmsg+0xee/0x170 [11266.855489][ T7704] __sys_sendmsg+0xcd/0x170 [11266.855489][ T7704] do_syscall_64+0xc6/0x1e0 [11266.855489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11266.855489][ T7704] [11266.857798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11266.857798][ T7704] netdev_get_by_index+0x5e/0x80 [11266.857798][ T7704] fib6_nh_init+0x3d8/0x15b0 [11266.857798][ T7704] ip6_route_info_create+0xf18/0x17d0 [11266.857798][ T7704] addrconf_f6i_alloc+0x315/0x560 [11266.857798][ T7704] ipv6_add_addr+0x411/0x2000 [11266.857798][ T7704] inet6_addr_add+0x30e/0xa40 [11266.857798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11266.857798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11266.857798][ T7704] netlink_rcv_skb+0x130/0x360 [11266.857798][ T7704] netlink_unicast+0x449/0x710 [11266.857798][ T7704] netlink_sendmsg+0x723/0xbe0 [11266.857798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11266.857798][ T7704] ___sys_sendmsg+0xee/0x170 [11266.857798][ T7704] __sys_sendmsg+0xcd/0x170 [11266.857798][ T7704] do_syscall_64+0xc6/0x1e0 [11266.857798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11266.857798][ T7704] [11266.860064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11266.860064][ T7704] netdev_get_by_index+0x5e/0x80 [11266.860064][ T7704] fib6_nh_init+0x3d8/0x15b0 [11266.860064][ T7704] ip6_route_info_create+0xf18/0x17d0 [11266.860064][ T7704] ip6_route_add+0x1c/0x140 [11266.860064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11266.860064][ T7704] addrconf_add_dev+0xe2/0x170 [11266.860064][ T7704] inet6_addr_add+0x12f/0xa40 [11266.860064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11266.860064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11266.860064][ T7704] netlink_rcv_skb+0x130/0x360 [11266.860064][ T7704] netlink_unicast+0x449/0x710 [11266.860064][ T7704] netlink_sendmsg+0x723/0xbe0 [11266.860064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11266.860064][ T7704] ___sys_sendmsg+0xee/0x170 [11266.860064][ T7704] __sys_sendmsg+0xcd/0x170 [11266.860064][ T7704] do_syscall_64+0xc6/0x1e0 [11266.860064][ T7704] [11266.862269][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11266.862269][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11266.862269][ T7704] ipv6_find_idev+0x102/0x170 [11266.862269][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11266.862269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11266.862269][ T7704] netlink_rcv_skb+0x130/0x360 [11266.862269][ T7704] netlink_unicast+0x449/0x710 [11266.862269][ T7704] netlink_sendmsg+0x723/0xbe0 [11266.862269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11266.862269][ T7704] ___sys_sendmsg+0xee/0x170 [11266.862269][ T7704] __sys_sendmsg+0xcd/0x170 [11266.862269][ T7704] do_syscall_64+0xc6/0x1e0 [11266.862269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11266.862269][ T7704] [11266.864009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11266.864009][ T7704] neigh_parms_alloc+0x1e5/0x510 [11266.864009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11266.864009][ T7704] ipv6_find_idev+0x102/0x170 [11266.864009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11266.864009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11266.864009][ T7704] netlink_rcv_skb+0x130/0x360 [11266.864009][ T7704] netlink_unicast+0x449/0x710 [11266.864009][ T7704] netlink_sendmsg+0x723/0xbe0 [11266.864009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11266.864009][ T7704] ___sys_sendmsg+0xee/0x170 [11266.864009][ T7704] __sys_sendmsg+0xcd/0x170 [11266.864009][ T7704] do_syscall_64+0xc6/0x1e0 [11266.864009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11266.864009][ T7704] [11276.895001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11276.895486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11276.895486][ T7704] netdev_get_by_index+0x5e/0x80 [11276.895486][ T7704] fib6_nh_init+0x3d8/0x15b0 [11276.895486][ T7704] ip6_route_info_create+0xf18/0x17d0 [11276.895486][ T7704] ip6_route_add+0x1c/0x140 [11276.895486][ T7704] addrconf_prefix_route+0x2a6/0x430 [11276.895486][ T7704] inet6_addr_add+0x4f8/0xa40 [11276.895486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11276.895486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11276.895486][ T7704] netlink_rcv_skb+0x130/0x360 [11276.895486][ T7704] netlink_unicast+0x449/0x710 [11276.895486][ T7704] netlink_sendmsg+0x723/0xbe0 [11276.895486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11276.895486][ T7704] ___sys_sendmsg+0xee/0x170 [11276.895486][ T7704] __sys_sendmsg+0xcd/0x170 [11276.895486][ T7704] do_syscall_64+0xc6/0x1e0 [11276.895486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11276.895486][ T7704] [11276.897780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11276.897780][ T7704] netdev_get_by_index+0x5e/0x80 [11276.897780][ T7704] fib6_nh_init+0x3d8/0x15b0 [11276.897780][ T7704] ip6_route_info_create+0xf18/0x17d0 [11276.897780][ T7704] addrconf_f6i_alloc+0x315/0x560 [11276.897780][ T7704] ipv6_add_addr+0x411/0x2000 [11276.897780][ T7704] inet6_addr_add+0x30e/0xa40 [11276.897780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11276.897780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11276.897780][ T7704] netlink_rcv_skb+0x130/0x360 [11276.897780][ T7704] netlink_unicast+0x449/0x710 [11276.897780][ T7704] netlink_sendmsg+0x723/0xbe0 [11276.897780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11276.897780][ T7704] ___sys_sendmsg+0xee/0x170 [11276.897780][ T7704] __sys_sendmsg+0xcd/0x170 [11276.897780][ T7704] do_syscall_64+0xc6/0x1e0 [11276.897780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11276.897780][ T7704] [11276.900048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11276.900048][ T7704] netdev_get_by_index+0x5e/0x80 [11276.900048][ T7704] fib6_nh_init+0x3d8/0x15b0 [11276.900048][ T7704] ip6_route_info_create+0xf18/0x17d0 [11276.900048][ T7704] ip6_route_add+0x1c/0x140 [11276.900048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11276.900048][ T7704] addrconf_add_dev+0xe2/0x170 [11276.900048][ T7704] inet6_addr_add+0x12f/0xa40 [11276.900048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11276.900048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11276.900048][ T7704] netlink_rcv_skb+0x130/0x360 [11276.900048][ T7704] netlink_unicast+0x449/0x710 [11276.900048][ T7704] netlink_sendmsg+0x723/0xbe0 [11276.900048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11276.900048][ T7704] ___sys_sendmsg+0xee/0x170 [11276.900048][ T7704] __sys_sendmsg+0xcd/0x170 [11276.900048][ T7704] do_syscall_64+0xc6/0x1e0 [11276.900048][ T7704] [11276.902278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11276.902278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11276.902278][ T7704] ipv6_find_idev+0x102/0x170 [11276.902278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11276.902278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11276.902278][ T7704] netlink_rcv_skb+0x130/0x360 [11276.902278][ T7704] netlink_unicast+0x449/0x710 [11276.902278][ T7704] netlink_sendmsg+0x723/0xbe0 [11276.902278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11276.902278][ T7704] ___sys_sendmsg+0xee/0x170 [11276.902278][ T7704] __sys_sendmsg+0xcd/0x170 [11276.902278][ T7704] do_syscall_64+0xc6/0x1e0 [11276.902278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11276.902278][ T7704] [11276.904012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11276.904012][ T7704] neigh_parms_alloc+0x1e5/0x510 [11276.904012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11276.904012][ T7704] ipv6_find_idev+0x102/0x170 [11276.904012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11276.904012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11276.904012][ T7704] netlink_rcv_skb+0x130/0x360 [11276.904012][ T7704] netlink_unicast+0x449/0x710 [11276.904012][ T7704] netlink_sendmsg+0x723/0xbe0 [11276.904012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11276.904012][ T7704] ___sys_sendmsg+0xee/0x170 [11276.904012][ T7704] __sys_sendmsg+0xcd/0x170 [11276.904012][ T7704] do_syscall_64+0xc6/0x1e0 [11276.904012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11276.904012][ T7704] [11287.142966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11287.143458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11287.143458][ T7704] netdev_get_by_index+0x5e/0x80 [11287.143458][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.143458][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.143458][ T7704] ip6_route_add+0x1c/0x140 [11287.143458][ T7704] addrconf_prefix_route+0x2a6/0x430 [11287.143458][ T7704] inet6_addr_add+0x4f8/0xa40 [11287.143458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.143458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.143458][ T7704] netlink_rcv_skb+0x130/0x360 [11287.143458][ T7704] netlink_unicast+0x449/0x710 [11287.143458][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.143458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.143458][ T7704] ___sys_sendmsg+0xee/0x170 [11287.143458][ T7704] __sys_sendmsg+0xcd/0x170 [11287.143458][ T7704] do_syscall_64+0xc6/0x1e0 [11287.143458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.143458][ T7704] [11287.145868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11287.145868][ T7704] netdev_get_by_index+0x5e/0x80 [11287.145868][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.145868][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.145868][ T7704] addrconf_f6i_alloc+0x315/0x560 [11287.145868][ T7704] ipv6_add_addr+0x411/0x2000 [11287.145868][ T7704] inet6_addr_add+0x30e/0xa40 [11287.145868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.145868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.145868][ T7704] netlink_rcv_skb+0x130/0x360 [11287.145868][ T7704] netlink_unicast+0x449/0x710 [11287.145868][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.145868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.145868][ T7704] ___sys_sendmsg+0xee/0x170 [11287.145868][ T7704] __sys_sendmsg+0xcd/0x170 [11287.145868][ T7704] do_syscall_64+0xc6/0x1e0 [11287.145868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.145868][ T7704] [11287.148129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11287.148129][ T7704] netdev_get_by_index+0x5e/0x80 [11287.148129][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.148129][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.148129][ T7704] ip6_route_add+0x1c/0x140 [11287.148129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11287.148129][ T7704] addrconf_add_dev+0xe2/0x170 [11287.148129][ T7704] inet6_addr_add+0x12f/0xa40 [11287.148129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.148129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.148129][ T7704] netlink_rcv_skb+0x130/0x360 [11287.148129][ T7704] netlink_unicast+0x449/0x710 [11287.148129][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.148129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.148129][ T7704] ___sys_sendmsg+0xee/0x170 [11287.148129][ T7704] __sys_sendmsg+0xcd/0x170 [11287.148129][ T7704] do_syscall_64+0xc6/0x1e0 [11287.148129][ T7704] [11287.150304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11287.150304][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11287.150304][ T7704] ipv6_find_idev+0x102/0x170 [11287.150304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11287.150304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.150304][ T7704] netlink_rcv_skb+0x130/0x360 [11287.150304][ T7704] netlink_unicast+0x449/0x710 [11287.150304][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.150304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.150304][ T7704] ___sys_sendmsg+0xee/0x170 [11287.150304][ T7704] __sys_sendmsg+0xcd/0x170 [11287.150304][ T7704] do_syscall_64+0xc6/0x1e0 [11287.150304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.150304][ T7704] [11287.152014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11287.152014][ T7704] neigh_parms_alloc+0x1e5/0x510 [11287.152014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11287.152014][ T7704] ipv6_find_idev+0x102/0x170 [11287.152014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11287.152014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.152014][ T7704] netlink_rcv_skb+0x130/0x360 [11287.152014][ T7704] netlink_unicast+0x449/0x710 [11287.152014][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.152014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.152014][ T7704] ___sys_sendmsg+0xee/0x170 [11287.152014][ T7704] __sys_sendmsg+0xcd/0x170 [11287.152014][ T7704] do_syscall_64+0xc6/0x1e0 [11287.152014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.152014][ T7704] [11297.158975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11297.159404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11297.159404][ T7704] netdev_get_by_index+0x5e/0x80 [11297.159404][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.159404][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.159404][ T7704] ip6_route_add+0x1c/0x140 [11297.159404][ T7704] addrconf_prefix_route+0x2a6/0x430 [11297.159404][ T7704] inet6_addr_add+0x4f8/0xa40 [11297.159404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.159404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.159404][ T7704] netlink_rcv_skb+0x130/0x360 [11297.159404][ T7704] netlink_unicast+0x449/0x710 [11297.159404][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.159404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.159404][ T7704] ___sys_sendmsg+0xee/0x170 [11297.159404][ T7704] __sys_sendmsg+0xcd/0x170 [11297.159404][ T7704] do_syscall_64+0xc6/0x1e0 [11297.159404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.159404][ T7704] [11297.161644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11297.161644][ T7704] netdev_get_by_index+0x5e/0x80 [11297.161644][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.161644][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.161644][ T7704] addrconf_f6i_alloc+0x315/0x560 [11297.161644][ T7704] ipv6_add_addr+0x411/0x2000 [11297.161644][ T7704] inet6_addr_add+0x30e/0xa40 [11297.161644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.161644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.161644][ T7704] netlink_rcv_skb+0x130/0x360 [11297.161644][ T7704] netlink_unicast+0x449/0x710 [11297.161644][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.161644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.161644][ T7704] ___sys_sendmsg+0xee/0x170 [11297.161644][ T7704] __sys_sendmsg+0xcd/0x170 [11297.161644][ T7704] do_syscall_64+0xc6/0x1e0 [11297.161644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.161644][ T7704] [11297.163863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11297.163863][ T7704] netdev_get_by_index+0x5e/0x80 [11297.163863][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.163863][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.163863][ T7704] ip6_route_add+0x1c/0x140 [11297.163863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11297.163863][ T7704] addrconf_add_dev+0xe2/0x170 [11297.163863][ T7704] inet6_addr_add+0x12f/0xa40 [11297.163863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.163863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.163863][ T7704] netlink_rcv_skb+0x130/0x360 [11297.163863][ T7704] netlink_unicast+0x449/0x710 [11297.163863][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.163863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.163863][ T7704] ___sys_sendmsg+0xee/0x170 [11297.163863][ T7704] __sys_sendmsg+0xcd/0x170 [11297.163863][ T7704] do_syscall_64+0xc6/0x1e0 [11297.163863][ T7704] [11297.166043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11297.166043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11297.166043][ T7704] ipv6_find_idev+0x102/0x170 [11297.166043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11297.166043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.166043][ T7704] netlink_rcv_skb+0x130/0x360 [11297.166043][ T7704] netlink_unicast+0x449/0x710 [11297.166043][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.166043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.166043][ T7704] ___sys_sendmsg+0xee/0x170 [11297.166043][ T7704] __sys_sendmsg+0xcd/0x170 [11297.166043][ T7704] do_syscall_64+0xc6/0x1e0 [11297.166043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.166043][ T7704] [11297.167771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11297.167771][ T7704] neigh_parms_alloc+0x1e5/0x510 [11297.167771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11297.167771][ T7704] ipv6_find_idev+0x102/0x170 [11297.167771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11297.167771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.167771][ T7704] netlink_rcv_skb+0x130/0x360 [11297.167771][ T7704] netlink_unicast+0x449/0x710 [11297.167771][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.167771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.167771][ T7704] ___sys_sendmsg+0xee/0x170 [11297.167771][ T7704] __sys_sendmsg+0xcd/0x170 [11297.167771][ T7704] do_syscall_64+0xc6/0x1e0 [11297.167771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.167771][ T7704] [11307.406918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11307.407367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11307.407367][ T7704] netdev_get_by_index+0x5e/0x80 [11307.407367][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.407367][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.407367][ T7704] ip6_route_add+0x1c/0x140 [11307.407367][ T7704] addrconf_prefix_route+0x2a6/0x430 [11307.407367][ T7704] inet6_addr_add+0x4f8/0xa40 [11307.407367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.407367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.407367][ T7704] netlink_rcv_skb+0x130/0x360 [11307.407367][ T7704] netlink_unicast+0x449/0x710 [11307.407367][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.407367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.407367][ T7704] ___sys_sendmsg+0xee/0x170 [11307.407367][ T7704] __sys_sendmsg+0xcd/0x170 [11307.407367][ T7704] do_syscall_64+0xc6/0x1e0 [11307.407367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.407367][ T7704] [11307.409628][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11307.409628][ T7704] netdev_get_by_index+0x5e/0x80 [11307.409628][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.409628][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.409628][ T7704] addrconf_f6i_alloc+0x315/0x560 [11307.409628][ T7704] ipv6_add_addr+0x411/0x2000 [11307.409628][ T7704] inet6_addr_add+0x30e/0xa40 [11307.409628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.409628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.409628][ T7704] netlink_rcv_skb+0x130/0x360 [11307.409628][ T7704] netlink_unicast+0x449/0x710 [11307.409628][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.409628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.409628][ T7704] ___sys_sendmsg+0xee/0x170 [11307.409628][ T7704] __sys_sendmsg+0xcd/0x170 [11307.409628][ T7704] do_syscall_64+0xc6/0x1e0 [11307.409628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.409628][ T7704] [11307.411869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11307.411869][ T7704] netdev_get_by_index+0x5e/0x80 [11307.411869][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.411869][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.411869][ T7704] ip6_route_add+0x1c/0x140 [11307.411869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11307.411869][ T7704] addrconf_add_dev+0xe2/0x170 [11307.411869][ T7704] inet6_addr_add+0x12f/0xa40 [11307.411869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.411869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.411869][ T7704] netlink_rcv_skb+0x130/0x360 [11307.411869][ T7704] netlink_unicast+0x449/0x710 [11307.411869][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.411869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.411869][ T7704] ___sys_sendmsg+0xee/0x170 [11307.411869][ T7704] __sys_sendmsg+0xcd/0x170 [11307.411869][ T7704] do_syscall_64+0xc6/0x1e0 [11307.411869][ T7704] [11307.414072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11307.414072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11307.414072][ T7704] ipv6_find_idev+0x102/0x170 [11307.414072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11307.414072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.414072][ T7704] netlink_rcv_skb+0x130/0x360 [11307.414072][ T7704] netlink_unicast+0x449/0x710 [11307.414072][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.414072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.414072][ T7704] ___sys_sendmsg+0xee/0x170 [11307.414072][ T7704] __sys_sendmsg+0xcd/0x170 [11307.414072][ T7704] do_syscall_64+0xc6/0x1e0 [11307.414072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.414072][ T7704] [11307.415796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11307.415796][ T7704] neigh_parms_alloc+0x1e5/0x510 [11307.415796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11307.415796][ T7704] ipv6_find_idev+0x102/0x170 [11307.415796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11307.415796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.415796][ T7704] netlink_rcv_skb+0x130/0x360 [11307.415796][ T7704] netlink_unicast+0x449/0x710 [11307.415796][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.415796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.415796][ T7704] ___sys_sendmsg+0xee/0x170 [11307.415796][ T7704] __sys_sendmsg+0xcd/0x170 [11307.415796][ T7704] do_syscall_64+0xc6/0x1e0 [11307.415796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.415796][ T7704] [11317.510928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11317.511377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11317.511377][ T7704] netdev_get_by_index+0x5e/0x80 [11317.511377][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.511377][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.511377][ T7704] ip6_route_add+0x1c/0x140 [11317.511377][ T7704] addrconf_prefix_route+0x2a6/0x430 [11317.511377][ T7704] inet6_addr_add+0x4f8/0xa40 [11317.511377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.511377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.511377][ T7704] netlink_rcv_skb+0x130/0x360 [11317.511377][ T7704] netlink_unicast+0x449/0x710 [11317.511377][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.511377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.511377][ T7704] ___sys_sendmsg+0xee/0x170 [11317.511377][ T7704] __sys_sendmsg+0xcd/0x170 [11317.511377][ T7704] do_syscall_64+0xc6/0x1e0 [11317.511377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.511377][ T7704] [11317.513625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11317.513625][ T7704] netdev_get_by_index+0x5e/0x80 [11317.513625][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.513625][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.513625][ T7704] addrconf_f6i_alloc+0x315/0x560 [11317.513625][ T7704] ipv6_add_addr+0x411/0x2000 [11317.513625][ T7704] inet6_addr_add+0x30e/0xa40 [11317.513625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.513625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.513625][ T7704] netlink_rcv_skb+0x130/0x360 [11317.513625][ T7704] netlink_unicast+0x449/0x710 [11317.513625][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.513625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.513625][ T7704] ___sys_sendmsg+0xee/0x170 [11317.513625][ T7704] __sys_sendmsg+0xcd/0x170 [11317.513625][ T7704] do_syscall_64+0xc6/0x1e0 [11317.513625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.513625][ T7704] [11317.515851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11317.515851][ T7704] netdev_get_by_index+0x5e/0x80 [11317.515851][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.515851][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.515851][ T7704] ip6_route_add+0x1c/0x140 [11317.515851][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11317.515851][ T7704] addrconf_add_dev+0xe2/0x170 [11317.515851][ T7704] inet6_addr_add+0x12f/0xa40 [11317.515851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.515851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.515851][ T7704] netlink_rcv_skb+0x130/0x360 [11317.515851][ T7704] netlink_unicast+0x449/0x710 [11317.515851][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.515851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.515851][ T7704] ___sys_sendmsg+0xee/0x170 [11317.515851][ T7704] __sys_sendmsg+0xcd/0x170 [11317.515851][ T7704] do_syscall_64+0xc6/0x1e0 [11317.515851][ T7704] [11317.518037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11317.518037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11317.518037][ T7704] ipv6_find_idev+0x102/0x170 [11317.518037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11317.518037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.518037][ T7704] netlink_rcv_skb+0x130/0x360 [11317.518037][ T7704] netlink_unicast+0x449/0x710 [11317.518037][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.518037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.518037][ T7704] ___sys_sendmsg+0xee/0x170 [11317.518037][ T7704] __sys_sendmsg+0xcd/0x170 [11317.518037][ T7704] do_syscall_64+0xc6/0x1e0 [11317.518037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.518037][ T7704] [11317.519757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11317.519757][ T7704] neigh_parms_alloc+0x1e5/0x510 [11317.519757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11317.519757][ T7704] ipv6_find_idev+0x102/0x170 [11317.519757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11317.519757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.519757][ T7704] netlink_rcv_skb+0x130/0x360 [11317.519757][ T7704] netlink_unicast+0x449/0x710 [11317.519757][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.519757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.519757][ T7704] ___sys_sendmsg+0xee/0x170 [11317.519757][ T7704] __sys_sendmsg+0xcd/0x170 [11317.519757][ T7704] do_syscall_64+0xc6/0x1e0 [11317.519757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.519757][ T7704] [11327.574959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11327.575459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11327.575459][ T7704] netdev_get_by_index+0x5e/0x80 [11327.575459][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.575459][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.575459][ T7704] ip6_route_add+0x1c/0x140 [11327.575459][ T7704] addrconf_prefix_route+0x2a6/0x430 [11327.575459][ T7704] inet6_addr_add+0x4f8/0xa40 [11327.575459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.575459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.575459][ T7704] netlink_rcv_skb+0x130/0x360 [11327.575459][ T7704] netlink_unicast+0x449/0x710 [11327.575459][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.575459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.575459][ T7704] ___sys_sendmsg+0xee/0x170 [11327.575459][ T7704] __sys_sendmsg+0xcd/0x170 [11327.575459][ T7704] do_syscall_64+0xc6/0x1e0 [11327.575459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.575459][ T7704] [11327.577732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11327.577732][ T7704] netdev_get_by_index+0x5e/0x80 [11327.577732][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.577732][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.577732][ T7704] addrconf_f6i_alloc+0x315/0x560 [11327.577732][ T7704] ipv6_add_addr+0x411/0x2000 [11327.577732][ T7704] inet6_addr_add+0x30e/0xa40 [11327.577732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.577732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.577732][ T7704] netlink_rcv_skb+0x130/0x360 [11327.577732][ T7704] netlink_unicast+0x449/0x710 [11327.577732][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.577732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.577732][ T7704] ___sys_sendmsg+0xee/0x170 [11327.577732][ T7704] __sys_sendmsg+0xcd/0x170 [11327.577732][ T7704] do_syscall_64+0xc6/0x1e0 [11327.577732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.577732][ T7704] [11327.579958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11327.579958][ T7704] netdev_get_by_index+0x5e/0x80 [11327.579958][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.579958][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.579958][ T7704] ip6_route_add+0x1c/0x140 [11327.579958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11327.579958][ T7704] addrconf_add_dev+0xe2/0x170 [11327.579958][ T7704] inet6_addr_add+0x12f/0xa40 [11327.579958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.579958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.579958][ T7704] netlink_rcv_skb+0x130/0x360 [11327.579958][ T7704] netlink_unicast+0x449/0x710 [11327.579958][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.579958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.579958][ T7704] ___sys_sendmsg+0xee/0x170 [11327.579958][ T7704] __sys_sendmsg+0xcd/0x170 [11327.579958][ T7704] do_syscall_64+0xc6/0x1e0 [11327.579958][ T7704] [11327.582146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11327.582146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11327.582146][ T7704] ipv6_find_idev+0x102/0x170 [11327.582146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11327.582146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.582146][ T7704] netlink_rcv_skb+0x130/0x360 [11327.582146][ T7704] netlink_unicast+0x449/0x710 [11327.582146][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.582146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.582146][ T7704] ___sys_sendmsg+0xee/0x170 [11327.582146][ T7704] __sys_sendmsg+0xcd/0x170 [11327.582146][ T7704] do_syscall_64+0xc6/0x1e0 [11327.582146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.582146][ T7704] [11327.583856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11327.583856][ T7704] neigh_parms_alloc+0x1e5/0x510 [11327.583856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11327.583856][ T7704] ipv6_find_idev+0x102/0x170 [11327.583856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11327.583856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.583856][ T7704] netlink_rcv_skb+0x130/0x360 [11327.583856][ T7704] netlink_unicast+0x449/0x710 [11327.583856][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.583856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.583856][ T7704] ___sys_sendmsg+0xee/0x170 [11327.583856][ T7704] __sys_sendmsg+0xcd/0x170 [11327.583856][ T7704] do_syscall_64+0xc6/0x1e0 [11327.583856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.583856][ T7704] [11337.670925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11337.671424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11337.671424][ T7704] netdev_get_by_index+0x5e/0x80 [11337.671424][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.671424][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.671424][ T7704] ip6_route_add+0x1c/0x140 [11337.671424][ T7704] addrconf_prefix_route+0x2a6/0x430 [11337.671424][ T7704] inet6_addr_add+0x4f8/0xa40 [11337.671424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.671424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.671424][ T7704] netlink_rcv_skb+0x130/0x360 [11337.671424][ T7704] netlink_unicast+0x449/0x710 [11337.671424][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.671424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.671424][ T7704] ___sys_sendmsg+0xee/0x170 [11337.671424][ T7704] __sys_sendmsg+0xcd/0x170 [11337.671424][ T7704] do_syscall_64+0xc6/0x1e0 [11337.671424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.671424][ T7704] [11337.674152][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11337.674152][ T7704] netdev_get_by_index+0x5e/0x80 [11337.674152][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.674152][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.674152][ T7704] addrconf_f6i_alloc+0x315/0x560 [11337.674152][ T7704] ipv6_add_addr+0x411/0x2000 [11337.674152][ T7704] inet6_addr_add+0x30e/0xa40 [11337.674152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.674152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.674152][ T7704] netlink_rcv_skb+0x130/0x360 [11337.674152][ T7704] netlink_unicast+0x449/0x710 [11337.674152][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.674152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.674152][ T7704] ___sys_sendmsg+0xee/0x170 [11337.674152][ T7704] __sys_sendmsg+0xcd/0x170 [11337.674152][ T7704] do_syscall_64+0xc6/0x1e0 [11337.674152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.674152][ T7704] [11337.676873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11337.676873][ T7704] netdev_get_by_index+0x5e/0x80 [11337.676873][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.676873][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.676873][ T7704] ip6_route_add+0x1c/0x140 [11337.676873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11337.676873][ T7704] addrconf_add_dev+0xe2/0x170 [11337.676873][ T7704] inet6_addr_add+0x12f/0xa40 [11337.676873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.676873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.676873][ T7704] netlink_rcv_skb+0x130/0x360 [11337.676873][ T7704] netlink_unicast+0x449/0x710 [11337.676873][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.676873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.676873][ T7704] ___sys_sendmsg+0xee/0x170 [11337.676873][ T7704] __sys_sendmsg+0xcd/0x170 [11337.676873][ T7704] do_syscall_64+0xc6/0x1e0 [11337.676873][ T7704] [11337.679538][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11337.679538][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11337.679538][ T7704] ipv6_find_idev+0x102/0x170 [11337.679538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11337.679538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.679538][ T7704] netlink_rcv_skb+0x130/0x360 [11337.679538][ T7704] netlink_unicast+0x449/0x710 [11337.679538][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.679538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.679538][ T7704] ___sys_sendmsg+0xee/0x170 [11337.679538][ T7704] __sys_sendmsg+0xcd/0x170 [11337.679538][ T7704] do_syscall_64+0xc6/0x1e0 [11337.679538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.679538][ T7704] [11337.681620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11337.681620][ T7704] neigh_parms_alloc+0x1e5/0x510 [11337.681620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11337.681620][ T7704] ipv6_find_idev+0x102/0x170 [11337.681620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11337.681620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.681620][ T7704] netlink_rcv_skb+0x130/0x360 [11337.681620][ T7704] netlink_unicast+0x449/0x710 [11337.681620][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.681620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.681620][ T7704] ___sys_sendmsg+0xee/0x170 [11337.681620][ T7704] __sys_sendmsg+0xcd/0x170 [11337.681620][ T7704] do_syscall_64+0xc6/0x1e0 [11337.681620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.681620][ T7704] [11347.703005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11347.703483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11347.703483][ T7704] netdev_get_by_index+0x5e/0x80 [11347.703483][ T7704] fib6_nh_init+0x3d8/0x15b0 [11347.703483][ T7704] ip6_route_info_create+0xf18/0x17d0 [11347.703483][ T7704] ip6_route_add+0x1c/0x140 [11347.703483][ T7704] addrconf_prefix_route+0x2a6/0x430 [11347.703483][ T7704] inet6_addr_add+0x4f8/0xa40 [11347.703483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11347.703483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11347.703483][ T7704] netlink_rcv_skb+0x130/0x360 [11347.703483][ T7704] netlink_unicast+0x449/0x710 [11347.703483][ T7704] netlink_sendmsg+0x723/0xbe0 [11347.703483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11347.703483][ T7704] ___sys_sendmsg+0xee/0x170 [11347.703483][ T7704] __sys_sendmsg+0xcd/0x170 [11347.703483][ T7704] do_syscall_64+0xc6/0x1e0 [11347.703483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11347.703483][ T7704] [11347.705886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11347.705886][ T7704] netdev_get_by_index+0x5e/0x80 [11347.705886][ T7704] fib6_nh_init+0x3d8/0x15b0 [11347.705886][ T7704] ip6_route_info_create+0xf18/0x17d0 [11347.705886][ T7704] addrconf_f6i_alloc+0x315/0x560 [11347.705886][ T7704] ipv6_add_addr+0x411/0x2000 [11347.705886][ T7704] inet6_addr_add+0x30e/0xa40 [11347.705886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11347.705886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11347.705886][ T7704] netlink_rcv_skb+0x130/0x360 [11347.705886][ T7704] netlink_unicast+0x449/0x710 [11347.705886][ T7704] netlink_sendmsg+0x723/0xbe0 [11347.705886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11347.705886][ T7704] ___sys_sendmsg+0xee/0x170 [11347.705886][ T7704] __sys_sendmsg+0xcd/0x170 [11347.705886][ T7704] do_syscall_64+0xc6/0x1e0 [11347.705886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11347.705886][ T7704] [11347.708105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11347.708105][ T7704] netdev_get_by_index+0x5e/0x80 [11347.708105][ T7704] fib6_nh_init+0x3d8/0x15b0 [11347.708105][ T7704] ip6_route_info_create+0xf18/0x17d0 [11347.708105][ T7704] ip6_route_add+0x1c/0x140 [11347.708105][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11347.708105][ T7704] addrconf_add_dev+0xe2/0x170 [11347.708105][ T7704] inet6_addr_add+0x12f/0xa40 [11347.708105][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11347.708105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11347.708105][ T7704] netlink_rcv_skb+0x130/0x360 [11347.708105][ T7704] netlink_unicast+0x449/0x710 [11347.708105][ T7704] netlink_sendmsg+0x723/0xbe0 [11347.708105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11347.708105][ T7704] ___sys_sendmsg+0xee/0x170 [11347.708105][ T7704] __sys_sendmsg+0xcd/0x170 [11347.708105][ T7704] do_syscall_64+0xc6/0x1e0 [11347.708105][ T7704] [11347.710281][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11347.710281][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11347.710281][ T7704] ipv6_find_idev+0x102/0x170 [11347.710281][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11347.710281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11347.710281][ T7704] netlink_rcv_skb+0x130/0x360 [11347.710281][ T7704] netlink_unicast+0x449/0x710 [11347.710281][ T7704] netlink_sendmsg+0x723/0xbe0 [11347.710281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11347.710281][ T7704] ___sys_sendmsg+0xee/0x170 [11347.710281][ T7704] __sys_sendmsg+0xcd/0x170 [11347.710281][ T7704] do_syscall_64+0xc6/0x1e0 [11347.710281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11347.710281][ T7704] [11347.711982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11347.711982][ T7704] neigh_parms_alloc+0x1e5/0x510 [11347.711982][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11347.711982][ T7704] ipv6_find_idev+0x102/0x170 [11347.711982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11347.711982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11347.711982][ T7704] netlink_rcv_skb+0x130/0x360 [11347.711982][ T7704] netlink_unicast+0x449/0x710 [11347.711982][ T7704] netlink_sendmsg+0x723/0xbe0 [11347.711982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11347.711982][ T7704] ___sys_sendmsg+0xee/0x170 [11347.711982][ T7704] __sys_sendmsg+0xcd/0x170 [11347.711982][ T7704] do_syscall_64+0xc6/0x1e0 [11347.711982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11347.711982][ T7704] [11357.950970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11357.951478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11357.951478][ T7704] netdev_get_by_index+0x5e/0x80 [11357.951478][ T7704] fib6_nh_init+0x3d8/0x15b0 [11357.951478][ T7704] ip6_route_info_create+0xf18/0x17d0 [11357.951478][ T7704] ip6_route_add+0x1c/0x140 [11357.951478][ T7704] addrconf_prefix_route+0x2a6/0x430 [11357.951478][ T7704] inet6_addr_add+0x4f8/0xa40 [11357.951478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11357.951478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11357.951478][ T7704] netlink_rcv_skb+0x130/0x360 [11357.951478][ T7704] netlink_unicast+0x449/0x710 [11357.951478][ T7704] netlink_sendmsg+0x723/0xbe0 [11357.951478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11357.951478][ T7704] ___sys_sendmsg+0xee/0x170 [11357.951478][ T7704] __sys_sendmsg+0xcd/0x170 [11357.951478][ T7704] do_syscall_64+0xc6/0x1e0 [11357.951478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11357.951478][ T7704] [11357.953741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11357.953741][ T7704] netdev_get_by_index+0x5e/0x80 [11357.953741][ T7704] fib6_nh_init+0x3d8/0x15b0 [11357.953741][ T7704] ip6_route_info_create+0xf18/0x17d0 [11357.953741][ T7704] addrconf_f6i_alloc+0x315/0x560 [11357.953741][ T7704] ipv6_add_addr+0x411/0x2000 [11357.953741][ T7704] inet6_addr_add+0x30e/0xa40 [11357.953741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11357.953741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11357.953741][ T7704] netlink_rcv_skb+0x130/0x360 [11357.953741][ T7704] netlink_unicast+0x449/0x710 [11357.953741][ T7704] netlink_sendmsg+0x723/0xbe0 [11357.953741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11357.953741][ T7704] ___sys_sendmsg+0xee/0x170 [11357.953741][ T7704] __sys_sendmsg+0xcd/0x170 [11357.953741][ T7704] do_syscall_64+0xc6/0x1e0 [11357.953741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11357.953741][ T7704] [11357.955995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11357.955995][ T7704] netdev_get_by_index+0x5e/0x80 [11357.955995][ T7704] fib6_nh_init+0x3d8/0x15b0 [11357.955995][ T7704] ip6_route_info_create+0xf18/0x17d0 [11357.955995][ T7704] ip6_route_add+0x1c/0x140 [11357.955995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11357.955995][ T7704] addrconf_add_dev+0xe2/0x170 [11357.955995][ T7704] inet6_addr_add+0x12f/0xa40 [11357.955995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11357.955995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11357.955995][ T7704] netlink_rcv_skb+0x130/0x360 [11357.955995][ T7704] netlink_unicast+0x449/0x710 [11357.955995][ T7704] netlink_sendmsg+0x723/0xbe0 [11357.955995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11357.955995][ T7704] ___sys_sendmsg+0xee/0x170 [11357.955995][ T7704] __sys_sendmsg+0xcd/0x170 [11357.955995][ T7704] do_syscall_64+0xc6/0x1e0 [11357.955995][ T7704] [11357.958207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11357.958207][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11357.958207][ T7704] ipv6_find_idev+0x102/0x170 [11357.958207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11357.958207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11357.958207][ T7704] netlink_rcv_skb+0x130/0x360 [11357.958207][ T7704] netlink_unicast+0x449/0x710 [11357.958207][ T7704] netlink_sendmsg+0x723/0xbe0 [11357.958207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11357.958207][ T7704] ___sys_sendmsg+0xee/0x170 [11357.958207][ T7704] __sys_sendmsg+0xcd/0x170 [11357.958207][ T7704] do_syscall_64+0xc6/0x1e0 [11357.958207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11357.958207][ T7704] [11357.959931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11357.959931][ T7704] neigh_parms_alloc+0x1e5/0x510 [11357.959931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11357.959931][ T7704] ipv6_find_idev+0x102/0x170 [11357.959931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11357.959931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11357.959931][ T7704] netlink_rcv_skb+0x130/0x360 [11357.959931][ T7704] netlink_unicast+0x449/0x710 [11357.959931][ T7704] netlink_sendmsg+0x723/0xbe0 [11357.959931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11357.959931][ T7704] ___sys_sendmsg+0xee/0x170 [11357.959931][ T7704] __sys_sendmsg+0xcd/0x170 [11357.959931][ T7704] do_syscall_64+0xc6/0x1e0 [11357.959931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11357.959931][ T7704] [11368.198977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11368.199485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11368.199485][ T7704] netdev_get_by_index+0x5e/0x80 [11368.199485][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.199485][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.199485][ T7704] ip6_route_add+0x1c/0x140 [11368.199485][ T7704] addrconf_prefix_route+0x2a6/0x430 [11368.199485][ T7704] inet6_addr_add+0x4f8/0xa40 [11368.199485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.199485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.199485][ T7704] netlink_rcv_skb+0x130/0x360 [11368.199485][ T7704] netlink_unicast+0x449/0x710 [11368.199485][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.199485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.199485][ T7704] ___sys_sendmsg+0xee/0x170 [11368.199485][ T7704] __sys_sendmsg+0xcd/0x170 [11368.199485][ T7704] do_syscall_64+0xc6/0x1e0 [11368.199485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.199485][ T7704] [11368.201770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11368.201770][ T7704] netdev_get_by_index+0x5e/0x80 [11368.201770][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.201770][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.201770][ T7704] addrconf_f6i_alloc+0x315/0x560 [11368.201770][ T7704] ipv6_add_addr+0x411/0x2000 [11368.201770][ T7704] inet6_addr_add+0x30e/0xa40 [11368.201770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.201770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.201770][ T7704] netlink_rcv_skb+0x130/0x360 [11368.201770][ T7704] netlink_unicast+0x449/0x710 [11368.201770][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.201770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.201770][ T7704] ___sys_sendmsg+0xee/0x170 [11368.201770][ T7704] __sys_sendmsg+0xcd/0x170 [11368.201770][ T7704] do_syscall_64+0xc6/0x1e0 [11368.201770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.201770][ T7704] [11368.204015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11368.204015][ T7704] netdev_get_by_index+0x5e/0x80 [11368.204015][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.204015][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.204015][ T7704] ip6_route_add+0x1c/0x140 [11368.204015][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11368.204015][ T7704] addrconf_add_dev+0xe2/0x170 [11368.204015][ T7704] inet6_addr_add+0x12f/0xa40 [11368.204015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.204015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.204015][ T7704] netlink_rcv_skb+0x130/0x360 [11368.204015][ T7704] netlink_unicast+0x449/0x710 [11368.204015][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.204015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.204015][ T7704] ___sys_sendmsg+0xee/0x170 [11368.204015][ T7704] __sys_sendmsg+0xcd/0x170 [11368.204015][ T7704] do_syscall_64+0xc6/0x1e0 [11368.204015][ T7704] [11368.206217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11368.206217][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11368.206217][ T7704] ipv6_find_idev+0x102/0x170 [11368.206217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11368.206217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.206217][ T7704] netlink_rcv_skb+0x130/0x360 [11368.206217][ T7704] netlink_unicast+0x449/0x710 [11368.206217][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.206217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.206217][ T7704] ___sys_sendmsg+0xee/0x170 [11368.206217][ T7704] __sys_sendmsg+0xcd/0x170 [11368.206217][ T7704] do_syscall_64+0xc6/0x1e0 [11368.206217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.206217][ T7704] [11368.207969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11368.207969][ T7704] neigh_parms_alloc+0x1e5/0x510 [11368.207969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11368.207969][ T7704] ipv6_find_idev+0x102/0x170 [11368.207969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11368.207969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.207969][ T7704] netlink_rcv_skb+0x130/0x360 [11368.207969][ T7704] netlink_unicast+0x449/0x710 [11368.207969][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.207969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.207969][ T7704] ___sys_sendmsg+0xee/0x170 [11368.207969][ T7704] __sys_sendmsg+0xcd/0x170 [11368.207969][ T7704] do_syscall_64+0xc6/0x1e0 [11368.207969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.207969][ T7704] [11378.446957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11378.447528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11378.447528][ T7704] netdev_get_by_index+0x5e/0x80 [11378.447528][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.447528][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.447528][ T7704] ip6_route_add+0x1c/0x140 [11378.447528][ T7704] addrconf_prefix_route+0x2a6/0x430 [11378.447528][ T7704] inet6_addr_add+0x4f8/0xa40 [11378.447528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.447528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.447528][ T7704] netlink_rcv_skb+0x130/0x360 [11378.447528][ T7704] netlink_unicast+0x449/0x710 [11378.447528][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.447528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.447528][ T7704] ___sys_sendmsg+0xee/0x170 [11378.447528][ T7704] __sys_sendmsg+0xcd/0x170 [11378.447528][ T7704] do_syscall_64+0xc6/0x1e0 [11378.447528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.447528][ T7704] [11378.449796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11378.449796][ T7704] netdev_get_by_index+0x5e/0x80 [11378.449796][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.449796][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.449796][ T7704] addrconf_f6i_alloc+0x315/0x560 [11378.449796][ T7704] ipv6_add_addr+0x411/0x2000 [11378.449796][ T7704] inet6_addr_add+0x30e/0xa40 [11378.449796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.449796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.449796][ T7704] netlink_rcv_skb+0x130/0x360 [11378.449796][ T7704] netlink_unicast+0x449/0x710 [11378.449796][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.449796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.449796][ T7704] ___sys_sendmsg+0xee/0x170 [11378.449796][ T7704] __sys_sendmsg+0xcd/0x170 [11378.449796][ T7704] do_syscall_64+0xc6/0x1e0 [11378.449796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.449796][ T7704] [11378.452044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11378.452044][ T7704] netdev_get_by_index+0x5e/0x80 [11378.452044][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.452044][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.452044][ T7704] ip6_route_add+0x1c/0x140 [11378.452044][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11378.452044][ T7704] addrconf_add_dev+0xe2/0x170 [11378.452044][ T7704] inet6_addr_add+0x12f/0xa40 [11378.452044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.452044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.452044][ T7704] netlink_rcv_skb+0x130/0x360 [11378.452044][ T7704] netlink_unicast+0x449/0x710 [11378.452044][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.452044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.452044][ T7704] ___sys_sendmsg+0xee/0x170 [11378.452044][ T7704] __sys_sendmsg+0xcd/0x170 [11378.452044][ T7704] do_syscall_64+0xc6/0x1e0 [11378.452044][ T7704] [11378.454277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11378.454277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11378.454277][ T7704] ipv6_find_idev+0x102/0x170 [11378.454277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11378.454277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.454277][ T7704] netlink_rcv_skb+0x130/0x360 [11378.454277][ T7704] netlink_unicast+0x449/0x710 [11378.454277][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.454277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.454277][ T7704] ___sys_sendmsg+0xee/0x170 [11378.454277][ T7704] __sys_sendmsg+0xcd/0x170 [11378.454277][ T7704] do_syscall_64+0xc6/0x1e0 [11378.454277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.454277][ T7704] [11378.456023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11378.456023][ T7704] neigh_parms_alloc+0x1e5/0x510 [11378.456023][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11378.456023][ T7704] ipv6_find_idev+0x102/0x170 [11378.456023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11378.456023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.456023][ T7704] netlink_rcv_skb+0x130/0x360 [11378.456023][ T7704] netlink_unicast+0x449/0x710 [11378.456023][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.456023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.456023][ T7704] ___sys_sendmsg+0xee/0x170 [11378.456023][ T7704] __sys_sendmsg+0xcd/0x170 [11378.456023][ T7704] do_syscall_64+0xc6/0x1e0 [11378.456023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.456023][ T7704] [11388.534958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11388.535450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11388.535450][ T7704] netdev_get_by_index+0x5e/0x80 [11388.535450][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.535450][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.535450][ T7704] ip6_route_add+0x1c/0x140 [11388.535450][ T7704] addrconf_prefix_route+0x2a6/0x430 [11388.535450][ T7704] inet6_addr_add+0x4f8/0xa40 [11388.535450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.535450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.535450][ T7704] netlink_rcv_skb+0x130/0x360 [11388.535450][ T7704] netlink_unicast+0x449/0x710 [11388.535450][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.535450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.535450][ T7704] ___sys_sendmsg+0xee/0x170 [11388.535450][ T7704] __sys_sendmsg+0xcd/0x170 [11388.535450][ T7704] do_syscall_64+0xc6/0x1e0 [11388.535450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.535450][ T7704] [11388.537811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11388.537811][ T7704] netdev_get_by_index+0x5e/0x80 [11388.537811][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.537811][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.537811][ T7704] addrconf_f6i_alloc+0x315/0x560 [11388.537811][ T7704] ipv6_add_addr+0x411/0x2000 [11388.537811][ T7704] inet6_addr_add+0x30e/0xa40 [11388.537811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.537811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.537811][ T7704] netlink_rcv_skb+0x130/0x360 [11388.537811][ T7704] netlink_unicast+0x449/0x710 [11388.537811][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.537811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.537811][ T7704] ___sys_sendmsg+0xee/0x170 [11388.537811][ T7704] __sys_sendmsg+0xcd/0x170 [11388.537811][ T7704] do_syscall_64+0xc6/0x1e0 [11388.537811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.537811][ T7704] [11388.540072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11388.540072][ T7704] netdev_get_by_index+0x5e/0x80 [11388.540072][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.540072][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.540072][ T7704] ip6_route_add+0x1c/0x140 [11388.540072][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11388.540072][ T7704] addrconf_add_dev+0xe2/0x170 [11388.540072][ T7704] inet6_addr_add+0x12f/0xa40 [11388.540072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.540072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.540072][ T7704] netlink_rcv_skb+0x130/0x360 [11388.540072][ T7704] netlink_unicast+0x449/0x710 [11388.540072][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.540072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.540072][ T7704] ___sys_sendmsg+0xee/0x170 [11388.540072][ T7704] __sys_sendmsg+0xcd/0x170 [11388.540072][ T7704] do_syscall_64+0xc6/0x1e0 [11388.540072][ T7704] [11388.542308][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11388.542308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11388.542308][ T7704] ipv6_find_idev+0x102/0x170 [11388.542308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11388.542308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.542308][ T7704] netlink_rcv_skb+0x130/0x360 [11388.542308][ T7704] netlink_unicast+0x449/0x710 [11388.542308][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.542308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.542308][ T7704] ___sys_sendmsg+0xee/0x170 [11388.542308][ T7704] __sys_sendmsg+0xcd/0x170 [11388.542308][ T7704] do_syscall_64+0xc6/0x1e0 [11388.542308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.542308][ T7704] [11388.544041][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11388.544041][ T7704] neigh_parms_alloc+0x1e5/0x510 [11388.544041][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11388.544041][ T7704] ipv6_find_idev+0x102/0x170 [11388.544041][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11388.544041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.544041][ T7704] netlink_rcv_skb+0x130/0x360 [11388.544041][ T7704] netlink_unicast+0x449/0x710 [11388.544041][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.544041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.544041][ T7704] ___sys_sendmsg+0xee/0x170 [11388.544041][ T7704] __sys_sendmsg+0xcd/0x170 [11388.544041][ T7704] do_syscall_64+0xc6/0x1e0 [11388.544041][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.544041][ T7704] [11398.782982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11398.783504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11398.783504][ T7704] netdev_get_by_index+0x5e/0x80 [11398.783504][ T7704] fib6_nh_init+0x3d8/0x15b0 [11398.783504][ T7704] ip6_route_info_create+0xf18/0x17d0 [11398.783504][ T7704] ip6_route_add+0x1c/0x140 [11398.783504][ T7704] addrconf_prefix_route+0x2a6/0x430 [11398.783504][ T7704] inet6_addr_add+0x4f8/0xa40 [11398.783504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11398.783504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11398.783504][ T7704] netlink_rcv_skb+0x130/0x360 [11398.783504][ T7704] netlink_unicast+0x449/0x710 [11398.783504][ T7704] netlink_sendmsg+0x723/0xbe0 [11398.783504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11398.783504][ T7704] ___sys_sendmsg+0xee/0x170 [11398.783504][ T7704] __sys_sendmsg+0xcd/0x170 [11398.783504][ T7704] do_syscall_64+0xc6/0x1e0 [11398.783504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11398.783504][ T7704] [11398.785748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11398.785748][ T7704] netdev_get_by_index+0x5e/0x80 [11398.785748][ T7704] fib6_nh_init+0x3d8/0x15b0 [11398.785748][ T7704] ip6_route_info_create+0xf18/0x17d0 [11398.785748][ T7704] addrconf_f6i_alloc+0x315/0x560 [11398.785748][ T7704] ipv6_add_addr+0x411/0x2000 [11398.785748][ T7704] inet6_addr_add+0x30e/0xa40 [11398.785748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11398.785748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11398.785748][ T7704] netlink_rcv_skb+0x130/0x360 [11398.785748][ T7704] netlink_unicast+0x449/0x710 [11398.785748][ T7704] netlink_sendmsg+0x723/0xbe0 [11398.785748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11398.785748][ T7704] ___sys_sendmsg+0xee/0x170 [11398.785748][ T7704] __sys_sendmsg+0xcd/0x170 [11398.785748][ T7704] do_syscall_64+0xc6/0x1e0 [11398.785748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11398.785748][ T7704] [11398.787990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11398.787990][ T7704] netdev_get_by_index+0x5e/0x80 [11398.787990][ T7704] fib6_nh_init+0x3d8/0x15b0 [11398.787990][ T7704] ip6_route_info_create+0xf18/0x17d0 [11398.787990][ T7704] ip6_route_add+0x1c/0x140 [11398.787990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11398.787990][ T7704] addrconf_add_dev+0xe2/0x170 [11398.787990][ T7704] inet6_addr_add+0x12f/0xa40 [11398.787990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11398.787990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11398.787990][ T7704] netlink_rcv_skb+0x130/0x360 [11398.787990][ T7704] netlink_unicast+0x449/0x710 [11398.787990][ T7704] netlink_sendmsg+0x723/0xbe0 [11398.787990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11398.787990][ T7704] ___sys_sendmsg+0xee/0x170 [11398.787990][ T7704] __sys_sendmsg+0xcd/0x170 [11398.787990][ T7704] do_syscall_64+0xc6/0x1e0 [11398.787990][ T7704] [11398.790174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11398.790174][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11398.790174][ T7704] ipv6_find_idev+0x102/0x170 [11398.790174][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11398.790174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11398.790174][ T7704] netlink_rcv_skb+0x130/0x360 [11398.790174][ T7704] netlink_unicast+0x449/0x710 [11398.790174][ T7704] netlink_sendmsg+0x723/0xbe0 [11398.790174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11398.790174][ T7704] ___sys_sendmsg+0xee/0x170 [11398.790174][ T7704] __sys_sendmsg+0xcd/0x170 [11398.790174][ T7704] do_syscall_64+0xc6/0x1e0 [11398.790174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11398.790174][ T7704] [11398.791896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11398.791896][ T7704] neigh_parms_alloc+0x1e5/0x510 [11398.791896][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11398.791896][ T7704] ipv6_find_idev+0x102/0x170 [11398.791896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11398.791896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11398.791896][ T7704] netlink_rcv_skb+0x130/0x360 [11398.791896][ T7704] netlink_unicast+0x449/0x710 [11398.791896][ T7704] netlink_sendmsg+0x723/0xbe0 [11398.791896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11398.791896][ T7704] ___sys_sendmsg+0xee/0x170 [11398.791896][ T7704] __sys_sendmsg+0xcd/0x170 [11398.791896][ T7704] do_syscall_64+0xc6/0x1e0 [11398.791896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11398.791896][ T7704] [11408.990889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11408.991385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11408.991385][ T7704] netdev_get_by_index+0x5e/0x80 [11408.991385][ T7704] fib6_nh_init+0x3d8/0x15b0 [11408.991385][ T7704] ip6_route_info_create+0xf18/0x17d0 [11408.991385][ T7704] ip6_route_add+0x1c/0x140 [11408.991385][ T7704] addrconf_prefix_route+0x2a6/0x430 [11408.991385][ T7704] inet6_addr_add+0x4f8/0xa40 [11408.991385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11408.991385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11408.991385][ T7704] netlink_rcv_skb+0x130/0x360 [11408.991385][ T7704] netlink_unicast+0x449/0x710 [11408.991385][ T7704] netlink_sendmsg+0x723/0xbe0 [11408.991385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11408.991385][ T7704] ___sys_sendmsg+0xee/0x170 [11408.991385][ T7704] __sys_sendmsg+0xcd/0x170 [11408.991385][ T7704] do_syscall_64+0xc6/0x1e0 [11408.991385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11408.991385][ T7704] [11408.994134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11408.994134][ T7704] netdev_get_by_index+0x5e/0x80 [11408.994134][ T7704] fib6_nh_init+0x3d8/0x15b0 [11408.994134][ T7704] ip6_route_info_create+0xf18/0x17d0 [11408.994134][ T7704] addrconf_f6i_alloc+0x315/0x560 [11408.994134][ T7704] ipv6_add_addr+0x411/0x2000 [11408.994134][ T7704] inet6_addr_add+0x30e/0xa40 [11408.994134][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11408.994134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11408.994134][ T7704] netlink_rcv_skb+0x130/0x360 [11408.994134][ T7704] netlink_unicast+0x449/0x710 [11408.994134][ T7704] netlink_sendmsg+0x723/0xbe0 [11408.994134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11408.994134][ T7704] ___sys_sendmsg+0xee/0x170 [11408.994134][ T7704] __sys_sendmsg+0xcd/0x170 [11408.994134][ T7704] do_syscall_64+0xc6/0x1e0 [11408.994134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11408.994134][ T7704] [11408.996848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11408.996848][ T7704] netdev_get_by_index+0x5e/0x80 [11408.996848][ T7704] fib6_nh_init+0x3d8/0x15b0 [11408.996848][ T7704] ip6_route_info_create+0xf18/0x17d0 [11408.996848][ T7704] ip6_route_add+0x1c/0x140 [11408.996848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11408.996848][ T7704] addrconf_add_dev+0xe2/0x170 [11408.996848][ T7704] inet6_addr_add+0x12f/0xa40 [11408.996848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11408.996848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11408.996848][ T7704] netlink_rcv_skb+0x130/0x360 [11408.996848][ T7704] netlink_unicast+0x449/0x710 [11408.996848][ T7704] netlink_sendmsg+0x723/0xbe0 [11408.996848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11408.996848][ T7704] ___sys_sendmsg+0xee/0x170 [11408.996848][ T7704] __sys_sendmsg+0xcd/0x170 [11408.996848][ T7704] do_syscall_64+0xc6/0x1e0 [11408.996848][ T7704] [11408.999514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11408.999514][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11408.999514][ T7704] ipv6_find_idev+0x102/0x170 [11408.999514][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11408.999514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11408.999514][ T7704] netlink_rcv_skb+0x130/0x360 [11408.999514][ T7704] netlink_unicast+0x449/0x710 [11408.999514][ T7704] netlink_sendmsg+0x723/0xbe0 [11408.999514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11408.999514][ T7704] ___sys_sendmsg+0xee/0x170 [11408.999514][ T7704] __sys_sendmsg+0xcd/0x170 [11408.999514][ T7704] do_syscall_64+0xc6/0x1e0 [11408.999514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11408.999514][ T7704] [11409.001599][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11409.001599][ T7704] neigh_parms_alloc+0x1e5/0x510 [11409.001599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11409.001599][ T7704] ipv6_find_idev+0x102/0x170 [11409.001599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11409.001599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.001599][ T7704] netlink_rcv_skb+0x130/0x360 [11409.001599][ T7704] netlink_unicast+0x449/0x710 [11409.001599][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.001599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.001599][ T7704] ___sys_sendmsg+0xee/0x170 [11409.001599][ T7704] __sys_sendmsg+0xcd/0x170 [11409.001599][ T7704] do_syscall_64+0xc6/0x1e0 [11409.001599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11409.001599][ T7704] [11419.102982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11419.103501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11419.103501][ T7704] netdev_get_by_index+0x5e/0x80 [11419.103501][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.103501][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.103501][ T7704] ip6_route_add+0x1c/0x140 [11419.103501][ T7704] addrconf_prefix_route+0x2a6/0x430 [11419.103501][ T7704] inet6_addr_add+0x4f8/0xa40 [11419.103501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.103501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.103501][ T7704] netlink_rcv_skb+0x130/0x360 [11419.103501][ T7704] netlink_unicast+0x449/0x710 [11419.103501][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.103501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.103501][ T7704] ___sys_sendmsg+0xee/0x170 [11419.103501][ T7704] __sys_sendmsg+0xcd/0x170 [11419.103501][ T7704] do_syscall_64+0xc6/0x1e0 [11419.103501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.103501][ T7704] [11419.106285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11419.106285][ T7704] netdev_get_by_index+0x5e/0x80 [11419.106285][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.106285][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.106285][ T7704] addrconf_f6i_alloc+0x315/0x560 [11419.106285][ T7704] ipv6_add_addr+0x411/0x2000 [11419.106285][ T7704] inet6_addr_add+0x30e/0xa40 [11419.106285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.106285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.106285][ T7704] netlink_rcv_skb+0x130/0x360 [11419.106285][ T7704] netlink_unicast+0x449/0x710 [11419.106285][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.106285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.106285][ T7704] ___sys_sendmsg+0xee/0x170 [11419.106285][ T7704] __sys_sendmsg+0xcd/0x170 [11419.106285][ T7704] do_syscall_64+0xc6/0x1e0 [11419.106285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.106285][ T7704] [11419.108996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11419.108996][ T7704] netdev_get_by_index+0x5e/0x80 [11419.108996][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.108996][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.108996][ T7704] ip6_route_add+0x1c/0x140 [11419.108996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11419.108996][ T7704] addrconf_add_dev+0xe2/0x170 [11419.108996][ T7704] inet6_addr_add+0x12f/0xa40 [11419.108996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.108996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.108996][ T7704] netlink_rcv_skb+0x130/0x360 [11419.108996][ T7704] netlink_unicast+0x449/0x710 [11419.108996][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.108996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.108996][ T7704] ___sys_sendmsg+0xee/0x170 [11419.108996][ T7704] __sys_sendmsg+0xcd/0x170 [11419.108996][ T7704] do_syscall_64+0xc6/0x1e0 [11419.108996][ T7704] [11419.111654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11419.111654][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11419.111654][ T7704] ipv6_find_idev+0x102/0x170 [11419.111654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11419.111654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.111654][ T7704] netlink_rcv_skb+0x130/0x360 [11419.111654][ T7704] netlink_unicast+0x449/0x710 [11419.111654][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.111654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.111654][ T7704] ___sys_sendmsg+0xee/0x170 [11419.111654][ T7704] __sys_sendmsg+0xcd/0x170 [11419.111654][ T7704] do_syscall_64+0xc6/0x1e0 [11419.111654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.111654][ T7704] [11419.113735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11419.113735][ T7704] neigh_parms_alloc+0x1e5/0x510 [11419.113735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11419.113735][ T7704] ipv6_find_idev+0x102/0x170 [11419.113735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11419.113735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.113735][ T7704] netlink_rcv_skb+0x130/0x360 [11419.113735][ T7704] netlink_unicast+0x449/0x710 [11419.113735][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.113735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.113735][ T7704] ___sys_sendmsg+0xee/0x170 [11419.113735][ T7704] __sys_sendmsg+0xcd/0x170 [11419.113735][ T7704] do_syscall_64+0xc6/0x1e0 [11419.113735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.113735][ T7704] [11429.358942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11429.359432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11429.359432][ T7704] netdev_get_by_index+0x5e/0x80 [11429.359432][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.359432][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.359432][ T7704] ip6_route_add+0x1c/0x140 [11429.359432][ T7704] addrconf_prefix_route+0x2a6/0x430 [11429.359432][ T7704] inet6_addr_add+0x4f8/0xa40 [11429.359432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.359432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.359432][ T7704] netlink_rcv_skb+0x130/0x360 [11429.359432][ T7704] netlink_unicast+0x449/0x710 [11429.359432][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.359432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.359432][ T7704] ___sys_sendmsg+0xee/0x170 [11429.359432][ T7704] __sys_sendmsg+0xcd/0x170 [11429.359432][ T7704] do_syscall_64+0xc6/0x1e0 [11429.359432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.359432][ T7704] [11429.361669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11429.361669][ T7704] netdev_get_by_index+0x5e/0x80 [11429.361669][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.361669][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.361669][ T7704] addrconf_f6i_alloc+0x315/0x560 [11429.361669][ T7704] ipv6_add_addr+0x411/0x2000 [11429.361669][ T7704] inet6_addr_add+0x30e/0xa40 [11429.361669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.361669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.361669][ T7704] netlink_rcv_skb+0x130/0x360 [11429.361669][ T7704] netlink_unicast+0x449/0x710 [11429.361669][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.361669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.361669][ T7704] ___sys_sendmsg+0xee/0x170 [11429.361669][ T7704] __sys_sendmsg+0xcd/0x170 [11429.361669][ T7704] do_syscall_64+0xc6/0x1e0 [11429.361669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.361669][ T7704] [11429.363890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11429.363890][ T7704] netdev_get_by_index+0x5e/0x80 [11429.363890][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.363890][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.363890][ T7704] ip6_route_add+0x1c/0x140 [11429.363890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11429.363890][ T7704] addrconf_add_dev+0xe2/0x170 [11429.363890][ T7704] inet6_addr_add+0x12f/0xa40 [11429.363890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.363890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.363890][ T7704] netlink_rcv_skb+0x130/0x360 [11429.363890][ T7704] netlink_unicast+0x449/0x710 [11429.363890][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.363890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.363890][ T7704] ___sys_sendmsg+0xee/0x170 [11429.363890][ T7704] __sys_sendmsg+0xcd/0x170 [11429.363890][ T7704] do_syscall_64+0xc6/0x1e0 [11429.363890][ T7704] [11429.366071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11429.366071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11429.366071][ T7704] ipv6_find_idev+0x102/0x170 [11429.366071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11429.366071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.366071][ T7704] netlink_rcv_skb+0x130/0x360 [11429.366071][ T7704] netlink_unicast+0x449/0x710 [11429.366071][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.366071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.366071][ T7704] ___sys_sendmsg+0xee/0x170 [11429.366071][ T7704] __sys_sendmsg+0xcd/0x170 [11429.366071][ T7704] do_syscall_64+0xc6/0x1e0 [11429.366071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.366071][ T7704] [11429.367795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11429.367795][ T7704] neigh_parms_alloc+0x1e5/0x510 [11429.367795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11429.367795][ T7704] ipv6_find_idev+0x102/0x170 [11429.367795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11429.367795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.367795][ T7704] netlink_rcv_skb+0x130/0x360 [11429.367795][ T7704] netlink_unicast+0x449/0x710 [11429.367795][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.367795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.367795][ T7704] ___sys_sendmsg+0xee/0x170 [11429.367795][ T7704] __sys_sendmsg+0xcd/0x170 [11429.367795][ T7704] do_syscall_64+0xc6/0x1e0 [11429.367795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.367795][ T7704] [11439.606918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11439.607421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11439.607421][ T7704] netdev_get_by_index+0x5e/0x80 [11439.607421][ T7704] fib6_nh_init+0x3d8/0x15b0 [11439.607421][ T7704] ip6_route_info_create+0xf18/0x17d0 [11439.607421][ T7704] ip6_route_add+0x1c/0x140 [11439.607421][ T7704] addrconf_prefix_route+0x2a6/0x430 [11439.607421][ T7704] inet6_addr_add+0x4f8/0xa40 [11439.607421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11439.607421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11439.607421][ T7704] netlink_rcv_skb+0x130/0x360 [11439.607421][ T7704] netlink_unicast+0x449/0x710 [11439.607421][ T7704] netlink_sendmsg+0x723/0xbe0 [11439.607421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11439.607421][ T7704] ___sys_sendmsg+0xee/0x170 [11439.607421][ T7704] __sys_sendmsg+0xcd/0x170 [11439.607421][ T7704] do_syscall_64+0xc6/0x1e0 [11439.607421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11439.607421][ T7704] [11439.609692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11439.609692][ T7704] netdev_get_by_index+0x5e/0x80 [11439.609692][ T7704] fib6_nh_init+0x3d8/0x15b0 [11439.609692][ T7704] ip6_route_info_create+0xf18/0x17d0 [11439.609692][ T7704] addrconf_f6i_alloc+0x315/0x560 [11439.609692][ T7704] ipv6_add_addr+0x411/0x2000 [11439.609692][ T7704] inet6_addr_add+0x30e/0xa40 [11439.609692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11439.609692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11439.609692][ T7704] netlink_rcv_skb+0x130/0x360 [11439.609692][ T7704] netlink_unicast+0x449/0x710 [11439.609692][ T7704] netlink_sendmsg+0x723/0xbe0 [11439.609692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11439.609692][ T7704] ___sys_sendmsg+0xee/0x170 [11439.609692][ T7704] __sys_sendmsg+0xcd/0x170 [11439.609692][ T7704] do_syscall_64+0xc6/0x1e0 [11439.609692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11439.609692][ T7704] [11439.611943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11439.611943][ T7704] netdev_get_by_index+0x5e/0x80 [11439.611943][ T7704] fib6_nh_init+0x3d8/0x15b0 [11439.611943][ T7704] ip6_route_info_create+0xf18/0x17d0 [11439.611943][ T7704] ip6_route_add+0x1c/0x140 [11439.611943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11439.611943][ T7704] addrconf_add_dev+0xe2/0x170 [11439.611943][ T7704] inet6_addr_add+0x12f/0xa40 [11439.611943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11439.611943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11439.611943][ T7704] netlink_rcv_skb+0x130/0x360 [11439.611943][ T7704] netlink_unicast+0x449/0x710 [11439.611943][ T7704] netlink_sendmsg+0x723/0xbe0 [11439.611943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11439.611943][ T7704] ___sys_sendmsg+0xee/0x170 [11439.611943][ T7704] __sys_sendmsg+0xcd/0x170 [11439.611943][ T7704] do_syscall_64+0xc6/0x1e0 [11439.611943][ T7704] [11439.614155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11439.614155][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11439.614155][ T7704] ipv6_find_idev+0x102/0x170 [11439.614155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11439.614155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11439.614155][ T7704] netlink_rcv_skb+0x130/0x360 [11439.614155][ T7704] netlink_unicast+0x449/0x710 [11439.614155][ T7704] netlink_sendmsg+0x723/0xbe0 [11439.614155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11439.614155][ T7704] ___sys_sendmsg+0xee/0x170 [11439.614155][ T7704] __sys_sendmsg+0xcd/0x170 [11439.614155][ T7704] do_syscall_64+0xc6/0x1e0 [11439.614155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11439.614155][ T7704] [11439.615880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11439.615880][ T7704] neigh_parms_alloc+0x1e5/0x510 [11439.615880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11439.615880][ T7704] ipv6_find_idev+0x102/0x170 [11439.615880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11439.615880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11439.615880][ T7704] netlink_rcv_skb+0x130/0x360 [11439.615880][ T7704] netlink_unicast+0x449/0x710 [11439.615880][ T7704] netlink_sendmsg+0x723/0xbe0 [11439.615880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11439.615880][ T7704] ___sys_sendmsg+0xee/0x170 [11439.615880][ T7704] __sys_sendmsg+0xcd/0x170 [11439.615880][ T7704] do_syscall_64+0xc6/0x1e0 [11439.615880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11439.615880][ T7704] [11449.854963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11449.855480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11449.855480][ T7704] netdev_get_by_index+0x5e/0x80 [11449.855480][ T7704] fib6_nh_init+0x3d8/0x15b0 [11449.855480][ T7704] ip6_route_info_create+0xf18/0x17d0 [11449.855480][ T7704] ip6_route_add+0x1c/0x140 [11449.855480][ T7704] addrconf_prefix_route+0x2a6/0x430 [11449.855480][ T7704] inet6_addr_add+0x4f8/0xa40 [11449.855480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11449.855480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11449.855480][ T7704] netlink_rcv_skb+0x130/0x360 [11449.855480][ T7704] netlink_unicast+0x449/0x710 [11449.855480][ T7704] netlink_sendmsg+0x723/0xbe0 [11449.855480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11449.855480][ T7704] ___sys_sendmsg+0xee/0x170 [11449.855480][ T7704] __sys_sendmsg+0xcd/0x170 [11449.855480][ T7704] do_syscall_64+0xc6/0x1e0 [11449.855480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11449.855480][ T7704] [11449.857783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11449.857783][ T7704] netdev_get_by_index+0x5e/0x80 [11449.857783][ T7704] fib6_nh_init+0x3d8/0x15b0 [11449.857783][ T7704] ip6_route_info_create+0xf18/0x17d0 [11449.857783][ T7704] addrconf_f6i_alloc+0x315/0x560 [11449.857783][ T7704] ipv6_add_addr+0x411/0x2000 [11449.857783][ T7704] inet6_addr_add+0x30e/0xa40 [11449.857783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11449.857783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11449.857783][ T7704] netlink_rcv_skb+0x130/0x360 [11449.857783][ T7704] netlink_unicast+0x449/0x710 [11449.857783][ T7704] netlink_sendmsg+0x723/0xbe0 [11449.857783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11449.857783][ T7704] ___sys_sendmsg+0xee/0x170 [11449.857783][ T7704] __sys_sendmsg+0xcd/0x170 [11449.857783][ T7704] do_syscall_64+0xc6/0x1e0 [11449.857783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11449.857783][ T7704] [11449.860035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11449.860035][ T7704] netdev_get_by_index+0x5e/0x80 [11449.860035][ T7704] fib6_nh_init+0x3d8/0x15b0 [11449.860035][ T7704] ip6_route_info_create+0xf18/0x17d0 [11449.860035][ T7704] ip6_route_add+0x1c/0x140 [11449.860035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11449.860035][ T7704] addrconf_add_dev+0xe2/0x170 [11449.860035][ T7704] inet6_addr_add+0x12f/0xa40 [11449.860035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11449.860035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11449.860035][ T7704] netlink_rcv_skb+0x130/0x360 [11449.860035][ T7704] netlink_unicast+0x449/0x710 [11449.860035][ T7704] netlink_sendmsg+0x723/0xbe0 [11449.860035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11449.860035][ T7704] ___sys_sendmsg+0xee/0x170 [11449.860035][ T7704] __sys_sendmsg+0xcd/0x170 [11449.860035][ T7704] do_syscall_64+0xc6/0x1e0 [11449.860035][ T7704] [11449.862242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11449.862242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11449.862242][ T7704] ipv6_find_idev+0x102/0x170 [11449.862242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11449.862242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11449.862242][ T7704] netlink_rcv_skb+0x130/0x360 [11449.862242][ T7704] netlink_unicast+0x449/0x710 [11449.862242][ T7704] netlink_sendmsg+0x723/0xbe0 [11449.862242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11449.862242][ T7704] ___sys_sendmsg+0xee/0x170 [11449.862242][ T7704] __sys_sendmsg+0xcd/0x170 [11449.862242][ T7704] do_syscall_64+0xc6/0x1e0 [11449.862242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11449.862242][ T7704] [11449.863964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11449.863964][ T7704] neigh_parms_alloc+0x1e5/0x510 [11449.863964][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11449.863964][ T7704] ipv6_find_idev+0x102/0x170 [11449.863964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11449.863964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11449.863964][ T7704] netlink_rcv_skb+0x130/0x360 [11449.863964][ T7704] netlink_unicast+0x449/0x710 [11449.863964][ T7704] netlink_sendmsg+0x723/0xbe0 [11449.863964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11449.863964][ T7704] ___sys_sendmsg+0xee/0x170 [11449.863964][ T7704] __sys_sendmsg+0xcd/0x170 [11449.863964][ T7704] do_syscall_64+0xc6/0x1e0 [11449.863964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11449.863964][ T7704] [11460.102896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11460.103569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11460.103569][ T7704] netdev_get_by_index+0x5e/0x80 [11460.103569][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.103569][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.103569][ T7704] ip6_route_add+0x1c/0x140 [11460.103569][ T7704] addrconf_prefix_route+0x2a6/0x430 [11460.103569][ T7704] inet6_addr_add+0x4f8/0xa40 [11460.103569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.103569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.103569][ T7704] netlink_rcv_skb+0x130/0x360 [11460.103569][ T7704] netlink_unicast+0x449/0x710 [11460.103569][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.103569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.103569][ T7704] ___sys_sendmsg+0xee/0x170 [11460.103569][ T7704] __sys_sendmsg+0xcd/0x170 [11460.103569][ T7704] do_syscall_64+0xc6/0x1e0 [11460.103569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.103569][ T7704] [11460.107273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11460.107273][ T7704] netdev_get_by_index+0x5e/0x80 [11460.107273][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.107273][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.107273][ T7704] addrconf_f6i_alloc+0x315/0x560 [11460.107273][ T7704] ipv6_add_addr+0x411/0x2000 [11460.107273][ T7704] inet6_addr_add+0x30e/0xa40 [11460.107273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.107273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.107273][ T7704] netlink_rcv_skb+0x130/0x360 [11460.107273][ T7704] netlink_unicast+0x449/0x710 [11460.107273][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.107273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.107273][ T7704] ___sys_sendmsg+0xee/0x170 [11460.107273][ T7704] __sys_sendmsg+0xcd/0x170 [11460.107273][ T7704] do_syscall_64+0xc6/0x1e0 [11460.107273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.107273][ T7704] [11460.110276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11460.110276][ T7704] netdev_get_by_index+0x5e/0x80 [11460.110276][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.110276][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.110276][ T7704] ip6_route_add+0x1c/0x140 [11460.110276][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11460.110276][ T7704] addrconf_add_dev+0xe2/0x170 [11460.110276][ T7704] inet6_addr_add+0x12f/0xa40 [11460.110276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.110276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.110276][ T7704] netlink_rcv_skb+0x130/0x360 [11460.110276][ T7704] netlink_unicast+0x449/0x710 [11460.110276][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.110276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.110276][ T7704] ___sys_sendmsg+0xee/0x170 [11460.110276][ T7704] __sys_sendmsg+0xcd/0x170 [11460.110276][ T7704] do_syscall_64+0xc6/0x1e0 [11460.110276][ T7704] [11460.112509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11460.112509][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11460.112509][ T7704] ipv6_find_idev+0x102/0x170 [11460.112509][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11460.112509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.112509][ T7704] netlink_rcv_skb+0x130/0x360 [11460.112509][ T7704] netlink_unicast+0x449/0x710 [11460.112509][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.112509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.112509][ T7704] ___sys_sendmsg+0xee/0x170 [11460.112509][ T7704] __sys_sendmsg+0xcd/0x170 [11460.112509][ T7704] do_syscall_64+0xc6/0x1e0 [11460.112509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.112509][ T7704] [11460.114261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11460.114261][ T7704] neigh_parms_alloc+0x1e5/0x510 [11460.114261][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11460.114261][ T7704] ipv6_find_idev+0x102/0x170 [11460.114261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11460.114261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.114261][ T7704] netlink_rcv_skb+0x130/0x360 [11460.114261][ T7704] netlink_unicast+0x449/0x710 [11460.114261][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.114261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.114261][ T7704] ___sys_sendmsg+0xee/0x170 [11460.114261][ T7704] __sys_sendmsg+0xcd/0x170 [11460.114261][ T7704] do_syscall_64+0xc6/0x1e0 [11460.114261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.114261][ T7704] [11470.223023][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11470.223727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11470.223727][ T7704] netdev_get_by_index+0x5e/0x80 [11470.223727][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.223727][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.223727][ T7704] ip6_route_add+0x1c/0x140 [11470.223727][ T7704] addrconf_prefix_route+0x2a6/0x430 [11470.223727][ T7704] inet6_addr_add+0x4f8/0xa40 [11470.223727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.223727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.223727][ T7704] netlink_rcv_skb+0x130/0x360 [11470.223727][ T7704] netlink_unicast+0x449/0x710 [11470.223727][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.223727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.223727][ T7704] ___sys_sendmsg+0xee/0x170 [11470.223727][ T7704] __sys_sendmsg+0xcd/0x170 [11470.223727][ T7704] do_syscall_64+0xc6/0x1e0 [11470.223727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.223727][ T7704] [11470.227444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11470.227444][ T7704] netdev_get_by_index+0x5e/0x80 [11470.227444][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.227444][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.227444][ T7704] addrconf_f6i_alloc+0x315/0x560 [11470.227444][ T7704] ipv6_add_addr+0x411/0x2000 [11470.227444][ T7704] inet6_addr_add+0x30e/0xa40 [11470.227444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.227444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.227444][ T7704] netlink_rcv_skb+0x130/0x360 [11470.227444][ T7704] netlink_unicast+0x449/0x710 [11470.227444][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.227444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.227444][ T7704] ___sys_sendmsg+0xee/0x170 [11470.227444][ T7704] __sys_sendmsg+0xcd/0x170 [11470.227444][ T7704] do_syscall_64+0xc6/0x1e0 [11470.227444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.227444][ T7704] [11470.230058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11470.230058][ T7704] netdev_get_by_index+0x5e/0x80 [11470.230058][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.230058][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.230058][ T7704] ip6_route_add+0x1c/0x140 [11470.230058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11470.230058][ T7704] addrconf_add_dev+0xe2/0x170 [11470.230058][ T7704] inet6_addr_add+0x12f/0xa40 [11470.230058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.230058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.230058][ T7704] netlink_rcv_skb+0x130/0x360 [11470.230058][ T7704] netlink_unicast+0x449/0x710 [11470.230058][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.230058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.230058][ T7704] ___sys_sendmsg+0xee/0x170 [11470.230058][ T7704] __sys_sendmsg+0xcd/0x170 [11470.230058][ T7704] do_syscall_64+0xc6/0x1e0 [11470.230058][ T7704] [11470.232277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11470.232277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11470.232277][ T7704] ipv6_find_idev+0x102/0x170 [11470.232277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11470.232277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.232277][ T7704] netlink_rcv_skb+0x130/0x360 [11470.232277][ T7704] netlink_unicast+0x449/0x710 [11470.232277][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.232277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.232277][ T7704] ___sys_sendmsg+0xee/0x170 [11470.232277][ T7704] __sys_sendmsg+0xcd/0x170 [11470.232277][ T7704] do_syscall_64+0xc6/0x1e0 [11470.232277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.232277][ T7704] [11470.234893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11470.234893][ T7704] neigh_parms_alloc+0x1e5/0x510 [11470.234893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11470.234893][ T7704] ipv6_find_idev+0x102/0x170 [11470.234893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11470.234893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.234893][ T7704] netlink_rcv_skb+0x130/0x360 [11470.234893][ T7704] netlink_unicast+0x449/0x710 [11470.234893][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.234893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.234893][ T7704] ___sys_sendmsg+0xee/0x170 [11470.234893][ T7704] __sys_sendmsg+0xcd/0x170 [11470.234893][ T7704] do_syscall_64+0xc6/0x1e0 [11470.234893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.234893][ T7704] [11480.262907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11480.263404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11480.263404][ T7704] netdev_get_by_index+0x5e/0x80 [11480.263404][ T7704] fib6_nh_init+0x3d8/0x15b0 [11480.263404][ T7704] ip6_route_info_create+0xf18/0x17d0 [11480.263404][ T7704] ip6_route_add+0x1c/0x140 [11480.263404][ T7704] addrconf_prefix_route+0x2a6/0x430 [11480.263404][ T7704] inet6_addr_add+0x4f8/0xa40 [11480.263404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11480.263404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11480.263404][ T7704] netlink_rcv_skb+0x130/0x360 [11480.263404][ T7704] netlink_unicast+0x449/0x710 [11480.263404][ T7704] netlink_sendmsg+0x723/0xbe0 [11480.263404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11480.263404][ T7704] ___sys_sendmsg+0xee/0x170 [11480.263404][ T7704] __sys_sendmsg+0xcd/0x170 [11480.263404][ T7704] do_syscall_64+0xc6/0x1e0 [11480.263404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11480.263404][ T7704] [11480.265694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11480.265694][ T7704] netdev_get_by_index+0x5e/0x80 [11480.265694][ T7704] fib6_nh_init+0x3d8/0x15b0 [11480.265694][ T7704] ip6_route_info_create+0xf18/0x17d0 [11480.265694][ T7704] addrconf_f6i_alloc+0x315/0x560 [11480.265694][ T7704] ipv6_add_addr+0x411/0x2000 [11480.265694][ T7704] inet6_addr_add+0x30e/0xa40 [11480.265694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11480.265694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11480.265694][ T7704] netlink_rcv_skb+0x130/0x360 [11480.265694][ T7704] netlink_unicast+0x449/0x710 [11480.265694][ T7704] netlink_sendmsg+0x723/0xbe0 [11480.265694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11480.265694][ T7704] ___sys_sendmsg+0xee/0x170 [11480.265694][ T7704] __sys_sendmsg+0xcd/0x170 [11480.265694][ T7704] do_syscall_64+0xc6/0x1e0 [11480.265694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11480.265694][ T7704] [11480.267938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11480.267938][ T7704] netdev_get_by_index+0x5e/0x80 [11480.267938][ T7704] fib6_nh_init+0x3d8/0x15b0 [11480.267938][ T7704] ip6_route_info_create+0xf18/0x17d0 [11480.267938][ T7704] ip6_route_add+0x1c/0x140 [11480.267938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11480.267938][ T7704] addrconf_add_dev+0xe2/0x170 [11480.267938][ T7704] inet6_addr_add+0x12f/0xa40 [11480.267938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11480.267938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11480.267938][ T7704] netlink_rcv_skb+0x130/0x360 [11480.267938][ T7704] netlink_unicast+0x449/0x710 [11480.267938][ T7704] netlink_sendmsg+0x723/0xbe0 [11480.267938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11480.267938][ T7704] ___sys_sendmsg+0xee/0x170 [11480.267938][ T7704] __sys_sendmsg+0xcd/0x170 [11480.267938][ T7704] do_syscall_64+0xc6/0x1e0 [11480.267938][ T7704] [11480.270141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11480.270141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11480.270141][ T7704] ipv6_find_idev+0x102/0x170 [11480.270141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11480.270141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11480.270141][ T7704] netlink_rcv_skb+0x130/0x360 [11480.270141][ T7704] netlink_unicast+0x449/0x710 [11480.270141][ T7704] netlink_sendmsg+0x723/0xbe0 [11480.270141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11480.270141][ T7704] ___sys_sendmsg+0xee/0x170 [11480.270141][ T7704] __sys_sendmsg+0xcd/0x170 [11480.270141][ T7704] do_syscall_64+0xc6/0x1e0 [11480.270141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11480.270141][ T7704] [11480.271847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11480.271847][ T7704] neigh_parms_alloc+0x1e5/0x510 [11480.271847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11480.271847][ T7704] ipv6_find_idev+0x102/0x170 [11480.271847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11480.271847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11480.271847][ T7704] netlink_rcv_skb+0x130/0x360 [11480.271847][ T7704] netlink_unicast+0x449/0x710 [11480.271847][ T7704] netlink_sendmsg+0x723/0xbe0 [11480.271847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11480.271847][ T7704] ___sys_sendmsg+0xee/0x170 [11480.271847][ T7704] __sys_sendmsg+0xcd/0x170 [11480.271847][ T7704] do_syscall_64+0xc6/0x1e0 [11480.271847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11480.271847][ T7704] [11490.526925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11490.527412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11490.527412][ T7704] netdev_get_by_index+0x5e/0x80 [11490.527412][ T7704] fib6_nh_init+0x3d8/0x15b0 [11490.527412][ T7704] ip6_route_info_create+0xf18/0x17d0 [11490.527412][ T7704] ip6_route_add+0x1c/0x140 [11490.527412][ T7704] addrconf_prefix_route+0x2a6/0x430 [11490.527412][ T7704] inet6_addr_add+0x4f8/0xa40 [11490.527412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11490.527412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11490.527412][ T7704] netlink_rcv_skb+0x130/0x360 [11490.527412][ T7704] netlink_unicast+0x449/0x710 [11490.527412][ T7704] netlink_sendmsg+0x723/0xbe0 [11490.527412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11490.527412][ T7704] ___sys_sendmsg+0xee/0x170 [11490.527412][ T7704] __sys_sendmsg+0xcd/0x170 [11490.527412][ T7704] do_syscall_64+0xc6/0x1e0 [11490.527412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11490.527412][ T7704] [11490.529737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11490.529737][ T7704] netdev_get_by_index+0x5e/0x80 [11490.529737][ T7704] fib6_nh_init+0x3d8/0x15b0 [11490.529737][ T7704] ip6_route_info_create+0xf18/0x17d0 [11490.529737][ T7704] addrconf_f6i_alloc+0x315/0x560 [11490.529737][ T7704] ipv6_add_addr+0x411/0x2000 [11490.529737][ T7704] inet6_addr_add+0x30e/0xa40 [11490.529737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11490.529737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11490.529737][ T7704] netlink_rcv_skb+0x130/0x360 [11490.529737][ T7704] netlink_unicast+0x449/0x710 [11490.529737][ T7704] netlink_sendmsg+0x723/0xbe0 [11490.529737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11490.529737][ T7704] ___sys_sendmsg+0xee/0x170 [11490.529737][ T7704] __sys_sendmsg+0xcd/0x170 [11490.529737][ T7704] do_syscall_64+0xc6/0x1e0 [11490.529737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11490.529737][ T7704] [11490.531954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11490.531954][ T7704] netdev_get_by_index+0x5e/0x80 [11490.531954][ T7704] fib6_nh_init+0x3d8/0x15b0 [11490.531954][ T7704] ip6_route_info_create+0xf18/0x17d0 [11490.531954][ T7704] ip6_route_add+0x1c/0x140 [11490.531954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11490.531954][ T7704] addrconf_add_dev+0xe2/0x170 [11490.531954][ T7704] inet6_addr_add+0x12f/0xa40 [11490.531954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11490.531954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11490.531954][ T7704] netlink_rcv_skb+0x130/0x360 [11490.531954][ T7704] netlink_unicast+0x449/0x710 [11490.531954][ T7704] netlink_sendmsg+0x723/0xbe0 [11490.531954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11490.531954][ T7704] ___sys_sendmsg+0xee/0x170 [11490.531954][ T7704] __sys_sendmsg+0xcd/0x170 [11490.531954][ T7704] do_syscall_64+0xc6/0x1e0 [11490.531954][ T7704] [11490.534248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11490.534248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11490.534248][ T7704] ipv6_find_idev+0x102/0x170 [11490.534248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11490.534248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11490.534248][ T7704] netlink_rcv_skb+0x130/0x360 [11490.534248][ T7704] netlink_unicast+0x449/0x710 [11490.534248][ T7704] netlink_sendmsg+0x723/0xbe0 [11490.534248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11490.534248][ T7704] ___sys_sendmsg+0xee/0x170 [11490.534248][ T7704] __sys_sendmsg+0xcd/0x170 [11490.534248][ T7704] do_syscall_64+0xc6/0x1e0 [11490.534248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11490.534248][ T7704] [11490.535971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11490.535971][ T7704] neigh_parms_alloc+0x1e5/0x510 [11490.535971][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11490.535971][ T7704] ipv6_find_idev+0x102/0x170 [11490.535971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11490.535971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11490.535971][ T7704] netlink_rcv_skb+0x130/0x360 [11490.535971][ T7704] netlink_unicast+0x449/0x710 [11490.535971][ T7704] netlink_sendmsg+0x723/0xbe0 [11490.535971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11490.535971][ T7704] ___sys_sendmsg+0xee/0x170 [11490.535971][ T7704] __sys_sendmsg+0xcd/0x170 [11490.535971][ T7704] do_syscall_64+0xc6/0x1e0 [11490.535971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11490.535971][ T7704] [11500.719003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11500.719523][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11500.719523][ T7704] netdev_get_by_index+0x5e/0x80 [11500.719523][ T7704] fib6_nh_init+0x3d8/0x15b0 [11500.719523][ T7704] ip6_route_info_create+0xf18/0x17d0 [11500.719523][ T7704] ip6_route_add+0x1c/0x140 [11500.719523][ T7704] addrconf_prefix_route+0x2a6/0x430 [11500.719523][ T7704] inet6_addr_add+0x4f8/0xa40 [11500.719523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11500.719523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11500.719523][ T7704] netlink_rcv_skb+0x130/0x360 [11500.719523][ T7704] netlink_unicast+0x449/0x710 [11500.719523][ T7704] netlink_sendmsg+0x723/0xbe0 [11500.719523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11500.719523][ T7704] ___sys_sendmsg+0xee/0x170 [11500.719523][ T7704] __sys_sendmsg+0xcd/0x170 [11500.719523][ T7704] do_syscall_64+0xc6/0x1e0 [11500.719523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11500.719523][ T7704] [11500.721772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11500.721772][ T7704] netdev_get_by_index+0x5e/0x80 [11500.721772][ T7704] fib6_nh_init+0x3d8/0x15b0 [11500.721772][ T7704] ip6_route_info_create+0xf18/0x17d0 [11500.721772][ T7704] addrconf_f6i_alloc+0x315/0x560 [11500.721772][ T7704] ipv6_add_addr+0x411/0x2000 [11500.721772][ T7704] inet6_addr_add+0x30e/0xa40 [11500.721772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11500.721772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11500.721772][ T7704] netlink_rcv_skb+0x130/0x360 [11500.721772][ T7704] netlink_unicast+0x449/0x710 [11500.721772][ T7704] netlink_sendmsg+0x723/0xbe0 [11500.721772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11500.721772][ T7704] ___sys_sendmsg+0xee/0x170 [11500.721772][ T7704] __sys_sendmsg+0xcd/0x170 [11500.721772][ T7704] do_syscall_64+0xc6/0x1e0 [11500.721772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11500.721772][ T7704] [11500.723995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11500.723995][ T7704] netdev_get_by_index+0x5e/0x80 [11500.723995][ T7704] fib6_nh_init+0x3d8/0x15b0 [11500.723995][ T7704] ip6_route_info_create+0xf18/0x17d0 [11500.723995][ T7704] ip6_route_add+0x1c/0x140 [11500.723995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11500.723995][ T7704] addrconf_add_dev+0xe2/0x170 [11500.723995][ T7704] inet6_addr_add+0x12f/0xa40 [11500.723995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11500.723995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11500.723995][ T7704] netlink_rcv_skb+0x130/0x360 [11500.723995][ T7704] netlink_unicast+0x449/0x710 [11500.723995][ T7704] netlink_sendmsg+0x723/0xbe0 [11500.723995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11500.723995][ T7704] ___sys_sendmsg+0xee/0x170 [11500.723995][ T7704] __sys_sendmsg+0xcd/0x170 [11500.723995][ T7704] do_syscall_64+0xc6/0x1e0 [11500.723995][ T7704] [11500.726188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11500.726188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11500.726188][ T7704] ipv6_find_idev+0x102/0x170 [11500.726188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11500.726188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11500.726188][ T7704] netlink_rcv_skb+0x130/0x360 [11500.726188][ T7704] netlink_unicast+0x449/0x710 [11500.726188][ T7704] netlink_sendmsg+0x723/0xbe0 [11500.726188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11500.726188][ T7704] ___sys_sendmsg+0xee/0x170 [11500.726188][ T7704] __sys_sendmsg+0xcd/0x170 [11500.726188][ T7704] do_syscall_64+0xc6/0x1e0 [11500.726188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11500.726188][ T7704] [11500.727946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11500.727946][ T7704] neigh_parms_alloc+0x1e5/0x510 [11500.727946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11500.727946][ T7704] ipv6_find_idev+0x102/0x170 [11500.727946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11500.727946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11500.727946][ T7704] netlink_rcv_skb+0x130/0x360 [11500.727946][ T7704] netlink_unicast+0x449/0x710 [11500.727946][ T7704] netlink_sendmsg+0x723/0xbe0 [11500.727946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11500.727946][ T7704] ___sys_sendmsg+0xee/0x170 [11500.727946][ T7704] __sys_sendmsg+0xcd/0x170 [11500.727946][ T7704] do_syscall_64+0xc6/0x1e0 [11500.727946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11500.727946][ T7704] [11510.966881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11510.967404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11510.967404][ T7704] netdev_get_by_index+0x5e/0x80 [11510.967404][ T7704] fib6_nh_init+0x3d8/0x15b0 [11510.967404][ T7704] ip6_route_info_create+0xf18/0x17d0 [11510.967404][ T7704] ip6_route_add+0x1c/0x140 [11510.967404][ T7704] addrconf_prefix_route+0x2a6/0x430 [11510.967404][ T7704] inet6_addr_add+0x4f8/0xa40 [11510.967404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11510.967404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11510.967404][ T7704] netlink_rcv_skb+0x130/0x360 [11510.967404][ T7704] netlink_unicast+0x449/0x710 [11510.967404][ T7704] netlink_sendmsg+0x723/0xbe0 [11510.967404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11510.967404][ T7704] ___sys_sendmsg+0xee/0x170 [11510.967404][ T7704] __sys_sendmsg+0xcd/0x170 [11510.967404][ T7704] do_syscall_64+0xc6/0x1e0 [11510.967404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11510.967404][ T7704] [11510.969637][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11510.969637][ T7704] netdev_get_by_index+0x5e/0x80 [11510.969637][ T7704] fib6_nh_init+0x3d8/0x15b0 [11510.969637][ T7704] ip6_route_info_create+0xf18/0x17d0 [11510.969637][ T7704] addrconf_f6i_alloc+0x315/0x560 [11510.969637][ T7704] ipv6_add_addr+0x411/0x2000 [11510.969637][ T7704] inet6_addr_add+0x30e/0xa40 [11510.969637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11510.969637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11510.969637][ T7704] netlink_rcv_skb+0x130/0x360 [11510.969637][ T7704] netlink_unicast+0x449/0x710 [11510.969637][ T7704] netlink_sendmsg+0x723/0xbe0 [11510.969637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11510.969637][ T7704] ___sys_sendmsg+0xee/0x170 [11510.969637][ T7704] __sys_sendmsg+0xcd/0x170 [11510.969637][ T7704] do_syscall_64+0xc6/0x1e0 [11510.969637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11510.969637][ T7704] [11510.971872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11510.971872][ T7704] netdev_get_by_index+0x5e/0x80 [11510.971872][ T7704] fib6_nh_init+0x3d8/0x15b0 [11510.971872][ T7704] ip6_route_info_create+0xf18/0x17d0 [11510.971872][ T7704] ip6_route_add+0x1c/0x140 [11510.971872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11510.971872][ T7704] addrconf_add_dev+0xe2/0x170 [11510.971872][ T7704] inet6_addr_add+0x12f/0xa40 [11510.971872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11510.971872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11510.971872][ T7704] netlink_rcv_skb+0x130/0x360 [11510.971872][ T7704] netlink_unicast+0x449/0x710 [11510.971872][ T7704] netlink_sendmsg+0x723/0xbe0 [11510.971872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11510.971872][ T7704] ___sys_sendmsg+0xee/0x170 [11510.971872][ T7704] __sys_sendmsg+0xcd/0x170 [11510.971872][ T7704] do_syscall_64+0xc6/0x1e0 [11510.971872][ T7704] [11510.974055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11510.974055][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11510.974055][ T7704] ipv6_find_idev+0x102/0x170 [11510.974055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11510.974055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11510.974055][ T7704] netlink_rcv_skb+0x130/0x360 [11510.974055][ T7704] netlink_unicast+0x449/0x710 [11510.974055][ T7704] netlink_sendmsg+0x723/0xbe0 [11510.974055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11510.974055][ T7704] ___sys_sendmsg+0xee/0x170 [11510.974055][ T7704] __sys_sendmsg+0xcd/0x170 [11510.974055][ T7704] do_syscall_64+0xc6/0x1e0 [11510.974055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11510.974055][ T7704] [11510.975768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11510.975768][ T7704] neigh_parms_alloc+0x1e5/0x510 [11510.975768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11510.975768][ T7704] ipv6_find_idev+0x102/0x170 [11510.975768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11510.975768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11510.975768][ T7704] netlink_rcv_skb+0x130/0x360 [11510.975768][ T7704] netlink_unicast+0x449/0x710 [11510.975768][ T7704] netlink_sendmsg+0x723/0xbe0 [11510.975768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11510.975768][ T7704] ___sys_sendmsg+0xee/0x170 [11510.975768][ T7704] __sys_sendmsg+0xcd/0x170 [11510.975768][ T7704] do_syscall_64+0xc6/0x1e0 [11510.975768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11510.975768][ T7704] [11521.214955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11521.215441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11521.215441][ T7704] netdev_get_by_index+0x5e/0x80 [11521.215441][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.215441][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.215441][ T7704] ip6_route_add+0x1c/0x140 [11521.215441][ T7704] addrconf_prefix_route+0x2a6/0x430 [11521.215441][ T7704] inet6_addr_add+0x4f8/0xa40 [11521.215441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.215441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.215441][ T7704] netlink_rcv_skb+0x130/0x360 [11521.215441][ T7704] netlink_unicast+0x449/0x710 [11521.215441][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.215441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.215441][ T7704] ___sys_sendmsg+0xee/0x170 [11521.215441][ T7704] __sys_sendmsg+0xcd/0x170 [11521.215441][ T7704] do_syscall_64+0xc6/0x1e0 [11521.215441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.215441][ T7704] [11521.217711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11521.217711][ T7704] netdev_get_by_index+0x5e/0x80 [11521.217711][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.217711][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.217711][ T7704] addrconf_f6i_alloc+0x315/0x560 [11521.217711][ T7704] ipv6_add_addr+0x411/0x2000 [11521.217711][ T7704] inet6_addr_add+0x30e/0xa40 [11521.217711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.217711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.217711][ T7704] netlink_rcv_skb+0x130/0x360 [11521.217711][ T7704] netlink_unicast+0x449/0x710 [11521.217711][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.217711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.217711][ T7704] ___sys_sendmsg+0xee/0x170 [11521.217711][ T7704] __sys_sendmsg+0xcd/0x170 [11521.217711][ T7704] do_syscall_64+0xc6/0x1e0 [11521.217711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.217711][ T7704] [11521.220441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11521.220441][ T7704] netdev_get_by_index+0x5e/0x80 [11521.220441][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.220441][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.220441][ T7704] ip6_route_add+0x1c/0x140 [11521.220441][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11521.220441][ T7704] addrconf_add_dev+0xe2/0x170 [11521.220441][ T7704] inet6_addr_add+0x12f/0xa40 [11521.220441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.220441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.220441][ T7704] netlink_rcv_skb+0x130/0x360 [11521.220441][ T7704] netlink_unicast+0x449/0x710 [11521.220441][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.220441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.220441][ T7704] ___sys_sendmsg+0xee/0x170 [11521.220441][ T7704] __sys_sendmsg+0xcd/0x170 [11521.220441][ T7704] do_syscall_64+0xc6/0x1e0 [11521.220441][ T7704] [11521.222627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11521.222627][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11521.222627][ T7704] ipv6_find_idev+0x102/0x170 [11521.222627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11521.222627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.222627][ T7704] netlink_rcv_skb+0x130/0x360 [11521.222627][ T7704] netlink_unicast+0x449/0x710 [11521.222627][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.222627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.222627][ T7704] ___sys_sendmsg+0xee/0x170 [11521.222627][ T7704] __sys_sendmsg+0xcd/0x170 [11521.222627][ T7704] do_syscall_64+0xc6/0x1e0 [11521.222627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.222627][ T7704] [11521.224337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11521.224337][ T7704] neigh_parms_alloc+0x1e5/0x510 [11521.224337][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11521.224337][ T7704] ipv6_find_idev+0x102/0x170 [11521.224337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11521.224337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.224337][ T7704] netlink_rcv_skb+0x130/0x360 [11521.224337][ T7704] netlink_unicast+0x449/0x710 [11521.224337][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.224337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.224337][ T7704] ___sys_sendmsg+0xee/0x170 [11521.224337][ T7704] __sys_sendmsg+0xcd/0x170 [11521.224337][ T7704] do_syscall_64+0xc6/0x1e0 [11521.224337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.224337][ T7704] [11531.462983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11531.463463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11531.463463][ T7704] netdev_get_by_index+0x5e/0x80 [11531.463463][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.463463][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.463463][ T7704] ip6_route_add+0x1c/0x140 [11531.463463][ T7704] addrconf_prefix_route+0x2a6/0x430 [11531.463463][ T7704] inet6_addr_add+0x4f8/0xa40 [11531.463463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.463463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.463463][ T7704] netlink_rcv_skb+0x130/0x360 [11531.463463][ T7704] netlink_unicast+0x449/0x710 [11531.463463][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.463463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.463463][ T7704] ___sys_sendmsg+0xee/0x170 [11531.463463][ T7704] __sys_sendmsg+0xcd/0x170 [11531.463463][ T7704] do_syscall_64+0xc6/0x1e0 [11531.463463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.463463][ T7704] [11531.465965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11531.465965][ T7704] netdev_get_by_index+0x5e/0x80 [11531.465965][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.465965][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.465965][ T7704] addrconf_f6i_alloc+0x315/0x560 [11531.465965][ T7704] ipv6_add_addr+0x411/0x2000 [11531.465965][ T7704] inet6_addr_add+0x30e/0xa40 [11531.465965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.465965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.465965][ T7704] netlink_rcv_skb+0x130/0x360 [11531.465965][ T7704] netlink_unicast+0x449/0x710 [11531.465965][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.465965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.465965][ T7704] ___sys_sendmsg+0xee/0x170 [11531.465965][ T7704] __sys_sendmsg+0xcd/0x170 [11531.465965][ T7704] do_syscall_64+0xc6/0x1e0 [11531.465965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.465965][ T7704] [11531.468435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11531.468435][ T7704] netdev_get_by_index+0x5e/0x80 [11531.468435][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.468435][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.468435][ T7704] ip6_route_add+0x1c/0x140 [11531.468435][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11531.468435][ T7704] addrconf_add_dev+0xe2/0x170 [11531.468435][ T7704] inet6_addr_add+0x12f/0xa40 [11531.468435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.468435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.468435][ T7704] netlink_rcv_skb+0x130/0x360 [11531.468435][ T7704] netlink_unicast+0x449/0x710 [11531.468435][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.468435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.468435][ T7704] ___sys_sendmsg+0xee/0x170 [11531.468435][ T7704] __sys_sendmsg+0xcd/0x170 [11531.468435][ T7704] do_syscall_64+0xc6/0x1e0 [11531.468435][ T7704] [11531.470830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11531.470830][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11531.470830][ T7704] ipv6_find_idev+0x102/0x170 [11531.470830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11531.470830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.470830][ T7704] netlink_rcv_skb+0x130/0x360 [11531.470830][ T7704] netlink_unicast+0x449/0x710 [11531.470830][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.470830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.470830][ T7704] ___sys_sendmsg+0xee/0x170 [11531.470830][ T7704] __sys_sendmsg+0xcd/0x170 [11531.470830][ T7704] do_syscall_64+0xc6/0x1e0 [11531.470830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.470830][ T7704] [11531.472728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11531.472728][ T7704] neigh_parms_alloc+0x1e5/0x510 [11531.472728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11531.472728][ T7704] ipv6_find_idev+0x102/0x170 [11531.472728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11531.472728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.472728][ T7704] netlink_rcv_skb+0x130/0x360 [11531.472728][ T7704] netlink_unicast+0x449/0x710 [11531.472728][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.472728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.472728][ T7704] ___sys_sendmsg+0xee/0x170 [11531.472728][ T7704] __sys_sendmsg+0xcd/0x170 [11531.472728][ T7704] do_syscall_64+0xc6/0x1e0 [11531.472728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.472728][ T7704] [11541.718960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11541.719457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11541.719457][ T7704] netdev_get_by_index+0x5e/0x80 [11541.719457][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.719457][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.719457][ T7704] ip6_route_add+0x1c/0x140 [11541.719457][ T7704] addrconf_prefix_route+0x2a6/0x430 [11541.719457][ T7704] inet6_addr_add+0x4f8/0xa40 [11541.719457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.719457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.719457][ T7704] netlink_rcv_skb+0x130/0x360 [11541.719457][ T7704] netlink_unicast+0x449/0x710 [11541.719457][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.719457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.719457][ T7704] ___sys_sendmsg+0xee/0x170 [11541.719457][ T7704] __sys_sendmsg+0xcd/0x170 [11541.719457][ T7704] do_syscall_64+0xc6/0x1e0 [11541.719457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.719457][ T7704] [11541.721708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11541.721708][ T7704] netdev_get_by_index+0x5e/0x80 [11541.721708][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.721708][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.721708][ T7704] addrconf_f6i_alloc+0x315/0x560 [11541.721708][ T7704] ipv6_add_addr+0x411/0x2000 [11541.721708][ T7704] inet6_addr_add+0x30e/0xa40 [11541.721708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.721708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.721708][ T7704] netlink_rcv_skb+0x130/0x360 [11541.721708][ T7704] netlink_unicast+0x449/0x710 [11541.721708][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.721708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.721708][ T7704] ___sys_sendmsg+0xee/0x170 [11541.721708][ T7704] __sys_sendmsg+0xcd/0x170 [11541.721708][ T7704] do_syscall_64+0xc6/0x1e0 [11541.721708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.721708][ T7704] [11541.723941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11541.723941][ T7704] netdev_get_by_index+0x5e/0x80 [11541.723941][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.723941][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.723941][ T7704] ip6_route_add+0x1c/0x140 [11541.723941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11541.723941][ T7704] addrconf_add_dev+0xe2/0x170 [11541.723941][ T7704] inet6_addr_add+0x12f/0xa40 [11541.723941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.723941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.723941][ T7704] netlink_rcv_skb+0x130/0x360 [11541.723941][ T7704] netlink_unicast+0x449/0x710 [11541.723941][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.723941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.723941][ T7704] ___sys_sendmsg+0xee/0x170 [11541.723941][ T7704] __sys_sendmsg+0xcd/0x170 [11541.723941][ T7704] do_syscall_64+0xc6/0x1e0 [11541.723941][ T7704] [11541.726135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11541.726135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11541.726135][ T7704] ipv6_find_idev+0x102/0x170 [11541.726135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11541.726135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.726135][ T7704] netlink_rcv_skb+0x130/0x360 [11541.726135][ T7704] netlink_unicast+0x449/0x710 [11541.726135][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.726135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.726135][ T7704] ___sys_sendmsg+0xee/0x170 [11541.726135][ T7704] __sys_sendmsg+0xcd/0x170 [11541.726135][ T7704] do_syscall_64+0xc6/0x1e0 [11541.726135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.726135][ T7704] [11541.727899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11541.727899][ T7704] neigh_parms_alloc+0x1e5/0x510 [11541.727899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11541.727899][ T7704] ipv6_find_idev+0x102/0x170 [11541.727899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11541.727899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.727899][ T7704] netlink_rcv_skb+0x130/0x360 [11541.727899][ T7704] netlink_unicast+0x449/0x710 [11541.727899][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.727899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.727899][ T7704] ___sys_sendmsg+0xee/0x170 [11541.727899][ T7704] __sys_sendmsg+0xcd/0x170 [11541.727899][ T7704] do_syscall_64+0xc6/0x1e0 [11541.727899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.727899][ T7704] [11551.966956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11551.967451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11551.967451][ T7704] netdev_get_by_index+0x5e/0x80 [11551.967451][ T7704] fib6_nh_init+0x3d8/0x15b0 [11551.967451][ T7704] ip6_route_info_create+0xf18/0x17d0 [11551.967451][ T7704] ip6_route_add+0x1c/0x140 [11551.967451][ T7704] addrconf_prefix_route+0x2a6/0x430 [11551.967451][ T7704] inet6_addr_add+0x4f8/0xa40 [11551.967451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11551.967451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11551.967451][ T7704] netlink_rcv_skb+0x130/0x360 [11551.967451][ T7704] netlink_unicast+0x449/0x710 [11551.967451][ T7704] netlink_sendmsg+0x723/0xbe0 [11551.967451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11551.967451][ T7704] ___sys_sendmsg+0xee/0x170 [11551.967451][ T7704] __sys_sendmsg+0xcd/0x170 [11551.967451][ T7704] do_syscall_64+0xc6/0x1e0 [11551.967451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11551.967451][ T7704] [11551.969686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11551.969686][ T7704] netdev_get_by_index+0x5e/0x80 [11551.969686][ T7704] fib6_nh_init+0x3d8/0x15b0 [11551.969686][ T7704] ip6_route_info_create+0xf18/0x17d0 [11551.969686][ T7704] addrconf_f6i_alloc+0x315/0x560 [11551.969686][ T7704] ipv6_add_addr+0x411/0x2000 [11551.969686][ T7704] inet6_addr_add+0x30e/0xa40 [11551.969686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11551.969686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11551.969686][ T7704] netlink_rcv_skb+0x130/0x360 [11551.969686][ T7704] netlink_unicast+0x449/0x710 [11551.969686][ T7704] netlink_sendmsg+0x723/0xbe0 [11551.969686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11551.969686][ T7704] ___sys_sendmsg+0xee/0x170 [11551.969686][ T7704] __sys_sendmsg+0xcd/0x170 [11551.969686][ T7704] do_syscall_64+0xc6/0x1e0 [11551.969686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11551.969686][ T7704] [11551.971896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11551.971896][ T7704] netdev_get_by_index+0x5e/0x80 [11551.971896][ T7704] fib6_nh_init+0x3d8/0x15b0 [11551.971896][ T7704] ip6_route_info_create+0xf18/0x17d0 [11551.971896][ T7704] ip6_route_add+0x1c/0x140 [11551.971896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11551.971896][ T7704] addrconf_add_dev+0xe2/0x170 [11551.971896][ T7704] inet6_addr_add+0x12f/0xa40 [11551.971896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11551.971896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11551.971896][ T7704] netlink_rcv_skb+0x130/0x360 [11551.971896][ T7704] netlink_unicast+0x449/0x710 [11551.971896][ T7704] netlink_sendmsg+0x723/0xbe0 [11551.971896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11551.971896][ T7704] ___sys_sendmsg+0xee/0x170 [11551.971896][ T7704] __sys_sendmsg+0xcd/0x170 [11551.971896][ T7704] do_syscall_64+0xc6/0x1e0 [11551.971896][ T7704] [11551.974078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11551.974078][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11551.974078][ T7704] ipv6_find_idev+0x102/0x170 [11551.974078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11551.974078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11551.974078][ T7704] netlink_rcv_skb+0x130/0x360 [11551.974078][ T7704] netlink_unicast+0x449/0x710 [11551.974078][ T7704] netlink_sendmsg+0x723/0xbe0 [11551.974078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11551.974078][ T7704] ___sys_sendmsg+0xee/0x170 [11551.974078][ T7704] __sys_sendmsg+0xcd/0x170 [11551.974078][ T7704] do_syscall_64+0xc6/0x1e0 [11551.974078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11551.974078][ T7704] [11551.975798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11551.975798][ T7704] neigh_parms_alloc+0x1e5/0x510 [11551.975798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11551.975798][ T7704] ipv6_find_idev+0x102/0x170 [11551.975798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11551.975798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11551.975798][ T7704] netlink_rcv_skb+0x130/0x360 [11551.975798][ T7704] netlink_unicast+0x449/0x710 [11551.975798][ T7704] netlink_sendmsg+0x723/0xbe0 [11551.975798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11551.975798][ T7704] ___sys_sendmsg+0xee/0x170 [11551.975798][ T7704] __sys_sendmsg+0xcd/0x170 [11551.975798][ T7704] do_syscall_64+0xc6/0x1e0 [11551.975798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11551.975798][ T7704] [11562.214990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11562.215570][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11562.215570][ T7704] netdev_get_by_index+0x5e/0x80 [11562.215570][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.215570][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.215570][ T7704] ip6_route_add+0x1c/0x140 [11562.215570][ T7704] addrconf_prefix_route+0x2a6/0x430 [11562.215570][ T7704] inet6_addr_add+0x4f8/0xa40 [11562.215570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.215570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.215570][ T7704] netlink_rcv_skb+0x130/0x360 [11562.215570][ T7704] netlink_unicast+0x449/0x710 [11562.215570][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.215570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.215570][ T7704] ___sys_sendmsg+0xee/0x170 [11562.215570][ T7704] __sys_sendmsg+0xcd/0x170 [11562.215570][ T7704] do_syscall_64+0xc6/0x1e0 [11562.215570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.215570][ T7704] [11562.217810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11562.217810][ T7704] netdev_get_by_index+0x5e/0x80 [11562.217810][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.217810][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.217810][ T7704] addrconf_f6i_alloc+0x315/0x560 [11562.217810][ T7704] ipv6_add_addr+0x411/0x2000 [11562.217810][ T7704] inet6_addr_add+0x30e/0xa40 [11562.217810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.217810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.217810][ T7704] netlink_rcv_skb+0x130/0x360 [11562.217810][ T7704] netlink_unicast+0x449/0x710 [11562.217810][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.217810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.217810][ T7704] ___sys_sendmsg+0xee/0x170 [11562.217810][ T7704] __sys_sendmsg+0xcd/0x170 [11562.217810][ T7704] do_syscall_64+0xc6/0x1e0 [11562.217810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.217810][ T7704] [11562.220029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11562.220029][ T7704] netdev_get_by_index+0x5e/0x80 [11562.220029][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.220029][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.220029][ T7704] ip6_route_add+0x1c/0x140 [11562.220029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11562.220029][ T7704] addrconf_add_dev+0xe2/0x170 [11562.220029][ T7704] inet6_addr_add+0x12f/0xa40 [11562.220029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.220029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.220029][ T7704] netlink_rcv_skb+0x130/0x360 [11562.220029][ T7704] netlink_unicast+0x449/0x710 [11562.220029][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.220029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.220029][ T7704] ___sys_sendmsg+0xee/0x170 [11562.220029][ T7704] __sys_sendmsg+0xcd/0x170 [11562.220029][ T7704] do_syscall_64+0xc6/0x1e0 [11562.220029][ T7704] [11562.222213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11562.222213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11562.222213][ T7704] ipv6_find_idev+0x102/0x170 [11562.222213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11562.222213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.222213][ T7704] netlink_rcv_skb+0x130/0x360 [11562.222213][ T7704] netlink_unicast+0x449/0x710 [11562.222213][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.222213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.222213][ T7704] ___sys_sendmsg+0xee/0x170 [11562.222213][ T7704] __sys_sendmsg+0xcd/0x170 [11562.222213][ T7704] do_syscall_64+0xc6/0x1e0 [11562.222213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.222213][ T7704] [11562.223921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11562.223921][ T7704] neigh_parms_alloc+0x1e5/0x510 [11562.223921][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11562.223921][ T7704] ipv6_find_idev+0x102/0x170 [11562.223921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11562.223921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.223921][ T7704] netlink_rcv_skb+0x130/0x360 [11562.223921][ T7704] netlink_unicast+0x449/0x710 [11562.223921][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.223921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.223921][ T7704] ___sys_sendmsg+0xee/0x170 [11562.223921][ T7704] __sys_sendmsg+0xcd/0x170 [11562.223921][ T7704] do_syscall_64+0xc6/0x1e0 [11562.223921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.223921][ T7704] [11572.246952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11572.247454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11572.247454][ T7704] netdev_get_by_index+0x5e/0x80 [11572.247454][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.247454][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.247454][ T7704] ip6_route_add+0x1c/0x140 [11572.247454][ T7704] addrconf_prefix_route+0x2a6/0x430 [11572.247454][ T7704] inet6_addr_add+0x4f8/0xa40 [11572.247454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.247454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.247454][ T7704] netlink_rcv_skb+0x130/0x360 [11572.247454][ T7704] netlink_unicast+0x449/0x710 [11572.247454][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.247454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.247454][ T7704] ___sys_sendmsg+0xee/0x170 [11572.247454][ T7704] __sys_sendmsg+0xcd/0x170 [11572.247454][ T7704] do_syscall_64+0xc6/0x1e0 [11572.247454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.247454][ T7704] [11572.249682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11572.249682][ T7704] netdev_get_by_index+0x5e/0x80 [11572.249682][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.249682][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.249682][ T7704] addrconf_f6i_alloc+0x315/0x560 [11572.249682][ T7704] ipv6_add_addr+0x411/0x2000 [11572.249682][ T7704] inet6_addr_add+0x30e/0xa40 [11572.249682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.249682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.249682][ T7704] netlink_rcv_skb+0x130/0x360 [11572.249682][ T7704] netlink_unicast+0x449/0x710 [11572.249682][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.249682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.249682][ T7704] ___sys_sendmsg+0xee/0x170 [11572.249682][ T7704] __sys_sendmsg+0xcd/0x170 [11572.249682][ T7704] do_syscall_64+0xc6/0x1e0 [11572.249682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.249682][ T7704] [11572.251897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11572.251897][ T7704] netdev_get_by_index+0x5e/0x80 [11572.251897][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.251897][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.251897][ T7704] ip6_route_add+0x1c/0x140 [11572.251897][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11572.251897][ T7704] addrconf_add_dev+0xe2/0x170 [11572.251897][ T7704] inet6_addr_add+0x12f/0xa40 [11572.251897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.251897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.251897][ T7704] netlink_rcv_skb+0x130/0x360 [11572.251897][ T7704] netlink_unicast+0x449/0x710 [11572.251897][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.251897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.251897][ T7704] ___sys_sendmsg+0xee/0x170 [11572.251897][ T7704] __sys_sendmsg+0xcd/0x170 [11572.251897][ T7704] do_syscall_64+0xc6/0x1e0 [11572.251897][ T7704] [11572.254070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11572.254070][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11572.254070][ T7704] ipv6_find_idev+0x102/0x170 [11572.254070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11572.254070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.254070][ T7704] netlink_rcv_skb+0x130/0x360 [11572.254070][ T7704] netlink_unicast+0x449/0x710 [11572.254070][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.254070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.254070][ T7704] ___sys_sendmsg+0xee/0x170 [11572.254070][ T7704] __sys_sendmsg+0xcd/0x170 [11572.254070][ T7704] do_syscall_64+0xc6/0x1e0 [11572.254070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.254070][ T7704] [11572.255786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11572.255786][ T7704] neigh_parms_alloc+0x1e5/0x510 [11572.255786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11572.255786][ T7704] ipv6_find_idev+0x102/0x170 [11572.255786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11572.255786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.255786][ T7704] netlink_rcv_skb+0x130/0x360 [11572.255786][ T7704] netlink_unicast+0x449/0x710 [11572.255786][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.255786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.255786][ T7704] ___sys_sendmsg+0xee/0x170 [11572.255786][ T7704] __sys_sendmsg+0xcd/0x170 [11572.255786][ T7704] do_syscall_64+0xc6/0x1e0 [11572.255786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.255786][ T7704] [11582.494949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11582.495464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11582.495464][ T7704] netdev_get_by_index+0x5e/0x80 [11582.495464][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.495464][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.495464][ T7704] ip6_route_add+0x1c/0x140 [11582.495464][ T7704] addrconf_prefix_route+0x2a6/0x430 [11582.495464][ T7704] inet6_addr_add+0x4f8/0xa40 [11582.495464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.495464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.495464][ T7704] netlink_rcv_skb+0x130/0x360 [11582.495464][ T7704] netlink_unicast+0x449/0x710 [11582.495464][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.495464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.495464][ T7704] ___sys_sendmsg+0xee/0x170 [11582.495464][ T7704] __sys_sendmsg+0xcd/0x170 [11582.495464][ T7704] do_syscall_64+0xc6/0x1e0 [11582.495464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.495464][ T7704] [11582.497698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11582.497698][ T7704] netdev_get_by_index+0x5e/0x80 [11582.497698][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.497698][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.497698][ T7704] addrconf_f6i_alloc+0x315/0x560 [11582.497698][ T7704] ipv6_add_addr+0x411/0x2000 [11582.497698][ T7704] inet6_addr_add+0x30e/0xa40 [11582.497698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.497698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.497698][ T7704] netlink_rcv_skb+0x130/0x360 [11582.497698][ T7704] netlink_unicast+0x449/0x710 [11582.497698][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.497698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.497698][ T7704] ___sys_sendmsg+0xee/0x170 [11582.497698][ T7704] __sys_sendmsg+0xcd/0x170 [11582.497698][ T7704] do_syscall_64+0xc6/0x1e0 [11582.497698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.497698][ T7704] [11582.499947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11582.499947][ T7704] netdev_get_by_index+0x5e/0x80 [11582.499947][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.499947][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.499947][ T7704] ip6_route_add+0x1c/0x140 [11582.499947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11582.499947][ T7704] addrconf_add_dev+0xe2/0x170 [11582.499947][ T7704] inet6_addr_add+0x12f/0xa40 [11582.499947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.499947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.499947][ T7704] netlink_rcv_skb+0x130/0x360 [11582.499947][ T7704] netlink_unicast+0x449/0x710 [11582.499947][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.499947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.499947][ T7704] ___sys_sendmsg+0xee/0x170 [11582.499947][ T7704] __sys_sendmsg+0xcd/0x170 [11582.499947][ T7704] do_syscall_64+0xc6/0x1e0 [11582.499947][ T7704] [11582.502124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11582.502124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11582.502124][ T7704] ipv6_find_idev+0x102/0x170 [11582.502124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11582.502124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.502124][ T7704] netlink_rcv_skb+0x130/0x360 [11582.502124][ T7704] netlink_unicast+0x449/0x710 [11582.502124][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.502124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.502124][ T7704] ___sys_sendmsg+0xee/0x170 [11582.502124][ T7704] __sys_sendmsg+0xcd/0x170 [11582.502124][ T7704] do_syscall_64+0xc6/0x1e0 [11582.502124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.502124][ T7704] [11582.503819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11582.503819][ T7704] neigh_parms_alloc+0x1e5/0x510 [11582.503819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11582.503819][ T7704] ipv6_find_idev+0x102/0x170 [11582.503819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11582.503819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.503819][ T7704] netlink_rcv_skb+0x130/0x360 [11582.503819][ T7704] netlink_unicast+0x449/0x710 [11582.503819][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.503819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.503819][ T7704] ___sys_sendmsg+0xee/0x170 [11582.503819][ T7704] __sys_sendmsg+0xcd/0x170 [11582.503819][ T7704] do_syscall_64+0xc6/0x1e0 [11582.503819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.503819][ T7704] [11592.630995][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11592.631535][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11592.631535][ T7704] netdev_get_by_index+0x5e/0x80 [11592.631535][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.631535][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.631535][ T7704] ip6_route_add+0x1c/0x140 [11592.631535][ T7704] addrconf_prefix_route+0x2a6/0x430 [11592.631535][ T7704] inet6_addr_add+0x4f8/0xa40 [11592.631535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.631535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.631535][ T7704] netlink_rcv_skb+0x130/0x360 [11592.631535][ T7704] netlink_unicast+0x449/0x710 [11592.631535][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.631535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.631535][ T7704] ___sys_sendmsg+0xee/0x170 [11592.631535][ T7704] __sys_sendmsg+0xcd/0x170 [11592.631535][ T7704] do_syscall_64+0xc6/0x1e0 [11592.631535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.631535][ T7704] [11592.633803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11592.633803][ T7704] netdev_get_by_index+0x5e/0x80 [11592.633803][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.633803][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.633803][ T7704] addrconf_f6i_alloc+0x315/0x560 [11592.633803][ T7704] ipv6_add_addr+0x411/0x2000 [11592.633803][ T7704] inet6_addr_add+0x30e/0xa40 [11592.633803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.633803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.633803][ T7704] netlink_rcv_skb+0x130/0x360 [11592.633803][ T7704] netlink_unicast+0x449/0x710 [11592.633803][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.633803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.633803][ T7704] ___sys_sendmsg+0xee/0x170 [11592.633803][ T7704] __sys_sendmsg+0xcd/0x170 [11592.633803][ T7704] do_syscall_64+0xc6/0x1e0 [11592.633803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.633803][ T7704] [11592.636066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11592.636066][ T7704] netdev_get_by_index+0x5e/0x80 [11592.636066][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.636066][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.636066][ T7704] ip6_route_add+0x1c/0x140 [11592.636066][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11592.636066][ T7704] addrconf_add_dev+0xe2/0x170 [11592.636066][ T7704] inet6_addr_add+0x12f/0xa40 [11592.636066][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.636066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.636066][ T7704] netlink_rcv_skb+0x130/0x360 [11592.636066][ T7704] netlink_unicast+0x449/0x710 [11592.636066][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.636066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.636066][ T7704] ___sys_sendmsg+0xee/0x170 [11592.636066][ T7704] __sys_sendmsg+0xcd/0x170 [11592.636066][ T7704] do_syscall_64+0xc6/0x1e0 [11592.636066][ T7704] [11592.638300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11592.638300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11592.638300][ T7704] ipv6_find_idev+0x102/0x170 [11592.638300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11592.638300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.638300][ T7704] netlink_rcv_skb+0x130/0x360 [11592.638300][ T7704] netlink_unicast+0x449/0x710 [11592.638300][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.638300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.638300][ T7704] ___sys_sendmsg+0xee/0x170 [11592.638300][ T7704] __sys_sendmsg+0xcd/0x170 [11592.638300][ T7704] do_syscall_64+0xc6/0x1e0 [11592.638300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.638300][ T7704] [11592.640051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11592.640051][ T7704] neigh_parms_alloc+0x1e5/0x510 [11592.640051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11592.640051][ T7704] ipv6_find_idev+0x102/0x170 [11592.640051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11592.640051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.640051][ T7704] netlink_rcv_skb+0x130/0x360 [11592.640051][ T7704] netlink_unicast+0x449/0x710 [11592.640051][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.640051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.640051][ T7704] ___sys_sendmsg+0xee/0x170 [11592.640051][ T7704] __sys_sendmsg+0xcd/0x170 [11592.640051][ T7704] do_syscall_64+0xc6/0x1e0 [11592.640051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.640051][ T7704] [11602.878952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11602.879462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11602.879462][ T7704] netdev_get_by_index+0x5e/0x80 [11602.879462][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.879462][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.879462][ T7704] ip6_route_add+0x1c/0x140 [11602.879462][ T7704] addrconf_prefix_route+0x2a6/0x430 [11602.879462][ T7704] inet6_addr_add+0x4f8/0xa40 [11602.879462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.879462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.879462][ T7704] netlink_rcv_skb+0x130/0x360 [11602.879462][ T7704] netlink_unicast+0x449/0x710 [11602.879462][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.879462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.879462][ T7704] ___sys_sendmsg+0xee/0x170 [11602.879462][ T7704] __sys_sendmsg+0xcd/0x170 [11602.879462][ T7704] do_syscall_64+0xc6/0x1e0 [11602.879462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.879462][ T7704] [11602.881730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11602.881730][ T7704] netdev_get_by_index+0x5e/0x80 [11602.881730][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.881730][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.881730][ T7704] addrconf_f6i_alloc+0x315/0x560 [11602.881730][ T7704] ipv6_add_addr+0x411/0x2000 [11602.881730][ T7704] inet6_addr_add+0x30e/0xa40 [11602.881730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.881730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.881730][ T7704] netlink_rcv_skb+0x130/0x360 [11602.881730][ T7704] netlink_unicast+0x449/0x710 [11602.881730][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.881730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.881730][ T7704] ___sys_sendmsg+0xee/0x170 [11602.881730][ T7704] __sys_sendmsg+0xcd/0x170 [11602.881730][ T7704] do_syscall_64+0xc6/0x1e0 [11602.881730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.881730][ T7704] [11602.884015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11602.884015][ T7704] netdev_get_by_index+0x5e/0x80 [11602.884015][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.884015][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.884015][ T7704] ip6_route_add+0x1c/0x140 [11602.884015][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11602.884015][ T7704] addrconf_add_dev+0xe2/0x170 [11602.884015][ T7704] inet6_addr_add+0x12f/0xa40 [11602.884015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.884015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.884015][ T7704] netlink_rcv_skb+0x130/0x360 [11602.884015][ T7704] netlink_unicast+0x449/0x710 [11602.884015][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.884015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.884015][ T7704] ___sys_sendmsg+0xee/0x170 [11602.884015][ T7704] __sys_sendmsg+0xcd/0x170 [11602.884015][ T7704] do_syscall_64+0xc6/0x1e0 [11602.884015][ T7704] [11602.886225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11602.886225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11602.886225][ T7704] ipv6_find_idev+0x102/0x170 [11602.886225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11602.886225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.886225][ T7704] netlink_rcv_skb+0x130/0x360 [11602.886225][ T7704] netlink_unicast+0x449/0x710 [11602.886225][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.886225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.886225][ T7704] ___sys_sendmsg+0xee/0x170 [11602.886225][ T7704] __sys_sendmsg+0xcd/0x170 [11602.886225][ T7704] do_syscall_64+0xc6/0x1e0 [11602.886225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.886225][ T7704] [11602.887944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11602.887944][ T7704] neigh_parms_alloc+0x1e5/0x510 [11602.887944][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11602.887944][ T7704] ipv6_find_idev+0x102/0x170 [11602.887944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11602.887944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.887944][ T7704] netlink_rcv_skb+0x130/0x360 [11602.887944][ T7704] netlink_unicast+0x449/0x710 [11602.887944][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.887944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.887944][ T7704] ___sys_sendmsg+0xee/0x170 [11602.887944][ T7704] __sys_sendmsg+0xcd/0x170 [11602.887944][ T7704] do_syscall_64+0xc6/0x1e0 [11602.887944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.887944][ T7704] [11613.126959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11613.127454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11613.127454][ T7704] netdev_get_by_index+0x5e/0x80 [11613.127454][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.127454][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.127454][ T7704] ip6_route_add+0x1c/0x140 [11613.127454][ T7704] addrconf_prefix_route+0x2a6/0x430 [11613.127454][ T7704] inet6_addr_add+0x4f8/0xa40 [11613.127454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.127454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.127454][ T7704] netlink_rcv_skb+0x130/0x360 [11613.127454][ T7704] netlink_unicast+0x449/0x710 [11613.127454][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.127454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.127454][ T7704] ___sys_sendmsg+0xee/0x170 [11613.127454][ T7704] __sys_sendmsg+0xcd/0x170 [11613.127454][ T7704] do_syscall_64+0xc6/0x1e0 [11613.127454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.127454][ T7704] [11613.129714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11613.129714][ T7704] netdev_get_by_index+0x5e/0x80 [11613.129714][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.129714][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.129714][ T7704] addrconf_f6i_alloc+0x315/0x560 [11613.129714][ T7704] ipv6_add_addr+0x411/0x2000 [11613.129714][ T7704] inet6_addr_add+0x30e/0xa40 [11613.129714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.129714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.129714][ T7704] netlink_rcv_skb+0x130/0x360 [11613.129714][ T7704] netlink_unicast+0x449/0x710 [11613.129714][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.129714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.129714][ T7704] ___sys_sendmsg+0xee/0x170 [11613.129714][ T7704] __sys_sendmsg+0xcd/0x170 [11613.129714][ T7704] do_syscall_64+0xc6/0x1e0 [11613.129714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.129714][ T7704] [11613.132069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11613.132069][ T7704] netdev_get_by_index+0x5e/0x80 [11613.132069][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.132069][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.132069][ T7704] ip6_route_add+0x1c/0x140 [11613.132069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11613.132069][ T7704] addrconf_add_dev+0xe2/0x170 [11613.132069][ T7704] inet6_addr_add+0x12f/0xa40 [11613.132069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.132069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.132069][ T7704] netlink_rcv_skb+0x130/0x360 [11613.132069][ T7704] netlink_unicast+0x449/0x710 [11613.132069][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.132069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.132069][ T7704] ___sys_sendmsg+0xee/0x170 [11613.132069][ T7704] __sys_sendmsg+0xcd/0x170 [11613.132069][ T7704] do_syscall_64+0xc6/0x1e0 [11613.132069][ T7704] [11613.134295][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11613.134295][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11613.134295][ T7704] ipv6_find_idev+0x102/0x170 [11613.134295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11613.134295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.134295][ T7704] netlink_rcv_skb+0x130/0x360 [11613.134295][ T7704] netlink_unicast+0x449/0x710 [11613.134295][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.134295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.134295][ T7704] ___sys_sendmsg+0xee/0x170 [11613.134295][ T7704] __sys_sendmsg+0xcd/0x170 [11613.134295][ T7704] do_syscall_64+0xc6/0x1e0 [11613.134295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.134295][ T7704] [11613.136042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11613.136042][ T7704] neigh_parms_alloc+0x1e5/0x510 [11613.136042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11613.136042][ T7704] ipv6_find_idev+0x102/0x170 [11613.136042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11613.136042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.136042][ T7704] netlink_rcv_skb+0x130/0x360 [11613.136042][ T7704] netlink_unicast+0x449/0x710 [11613.136042][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.136042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.136042][ T7704] ___sys_sendmsg+0xee/0x170 [11613.136042][ T7704] __sys_sendmsg+0xcd/0x170 [11613.136042][ T7704] do_syscall_64+0xc6/0x1e0 [11613.136042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.136042][ T7704] [11623.374961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11623.375492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11623.375492][ T7704] netdev_get_by_index+0x5e/0x80 [11623.375492][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.375492][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.375492][ T7704] ip6_route_add+0x1c/0x140 [11623.375492][ T7704] addrconf_prefix_route+0x2a6/0x430 [11623.375492][ T7704] inet6_addr_add+0x4f8/0xa40 [11623.375492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.375492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.375492][ T7704] netlink_rcv_skb+0x130/0x360 [11623.375492][ T7704] netlink_unicast+0x449/0x710 [11623.375492][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.375492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.375492][ T7704] ___sys_sendmsg+0xee/0x170 [11623.375492][ T7704] __sys_sendmsg+0xcd/0x170 [11623.375492][ T7704] do_syscall_64+0xc6/0x1e0 [11623.375492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.375492][ T7704] [11623.377774][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11623.377774][ T7704] netdev_get_by_index+0x5e/0x80 [11623.377774][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.377774][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.377774][ T7704] addrconf_f6i_alloc+0x315/0x560 [11623.377774][ T7704] ipv6_add_addr+0x411/0x2000 [11623.377774][ T7704] inet6_addr_add+0x30e/0xa40 [11623.377774][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.377774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.377774][ T7704] netlink_rcv_skb+0x130/0x360 [11623.377774][ T7704] netlink_unicast+0x449/0x710 [11623.377774][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.377774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.377774][ T7704] ___sys_sendmsg+0xee/0x170 [11623.377774][ T7704] __sys_sendmsg+0xcd/0x170 [11623.377774][ T7704] do_syscall_64+0xc6/0x1e0 [11623.377774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.377774][ T7704] [11623.380031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11623.380031][ T7704] netdev_get_by_index+0x5e/0x80 [11623.380031][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.380031][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.380031][ T7704] ip6_route_add+0x1c/0x140 [11623.380031][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11623.380031][ T7704] addrconf_add_dev+0xe2/0x170 [11623.380031][ T7704] inet6_addr_add+0x12f/0xa40 [11623.380031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.380031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.380031][ T7704] netlink_rcv_skb+0x130/0x360 [11623.380031][ T7704] netlink_unicast+0x449/0x710 [11623.380031][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.380031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.380031][ T7704] ___sys_sendmsg+0xee/0x170 [11623.380031][ T7704] __sys_sendmsg+0xcd/0x170 [11623.380031][ T7704] do_syscall_64+0xc6/0x1e0 [11623.380031][ T7704] [11623.382254][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11623.382254][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11623.382254][ T7704] ipv6_find_idev+0x102/0x170 [11623.382254][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11623.382254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.382254][ T7704] netlink_rcv_skb+0x130/0x360 [11623.382254][ T7704] netlink_unicast+0x449/0x710 [11623.382254][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.382254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.382254][ T7704] ___sys_sendmsg+0xee/0x170 [11623.382254][ T7704] __sys_sendmsg+0xcd/0x170 [11623.382254][ T7704] do_syscall_64+0xc6/0x1e0 [11623.382254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.382254][ T7704] [11623.383989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11623.383989][ T7704] neigh_parms_alloc+0x1e5/0x510 [11623.383989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11623.383989][ T7704] ipv6_find_idev+0x102/0x170 [11623.383989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11623.383989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.383989][ T7704] netlink_rcv_skb+0x130/0x360 [11623.383989][ T7704] netlink_unicast+0x449/0x710 [11623.383989][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.383989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.383989][ T7704] ___sys_sendmsg+0xee/0x170 [11623.383989][ T7704] __sys_sendmsg+0xcd/0x170 [11623.383989][ T7704] do_syscall_64+0xc6/0x1e0 [11623.383989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.383989][ T7704] [11633.622954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11633.623406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11633.623406][ T7704] netdev_get_by_index+0x5e/0x80 [11633.623406][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.623406][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.623406][ T7704] ip6_route_add+0x1c/0x140 [11633.623406][ T7704] addrconf_prefix_route+0x2a6/0x430 [11633.623406][ T7704] inet6_addr_add+0x4f8/0xa40 [11633.623406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.623406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.623406][ T7704] netlink_rcv_skb+0x130/0x360 [11633.623406][ T7704] netlink_unicast+0x449/0x710 [11633.623406][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.623406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.623406][ T7704] ___sys_sendmsg+0xee/0x170 [11633.623406][ T7704] __sys_sendmsg+0xcd/0x170 [11633.623406][ T7704] do_syscall_64+0xc6/0x1e0 [11633.623406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.623406][ T7704] [11633.625783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11633.625783][ T7704] netdev_get_by_index+0x5e/0x80 [11633.625783][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.625783][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.625783][ T7704] addrconf_f6i_alloc+0x315/0x560 [11633.625783][ T7704] ipv6_add_addr+0x411/0x2000 [11633.625783][ T7704] inet6_addr_add+0x30e/0xa40 [11633.625783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.625783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.625783][ T7704] netlink_rcv_skb+0x130/0x360 [11633.625783][ T7704] netlink_unicast+0x449/0x710 [11633.625783][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.625783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.625783][ T7704] ___sys_sendmsg+0xee/0x170 [11633.625783][ T7704] __sys_sendmsg+0xcd/0x170 [11633.625783][ T7704] do_syscall_64+0xc6/0x1e0 [11633.625783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.625783][ T7704] [11633.628031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11633.628031][ T7704] netdev_get_by_index+0x5e/0x80 [11633.628031][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.628031][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.628031][ T7704] ip6_route_add+0x1c/0x140 [11633.628031][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11633.628031][ T7704] addrconf_add_dev+0xe2/0x170 [11633.628031][ T7704] inet6_addr_add+0x12f/0xa40 [11633.628031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.628031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.628031][ T7704] netlink_rcv_skb+0x130/0x360 [11633.628031][ T7704] netlink_unicast+0x449/0x710 [11633.628031][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.628031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.628031][ T7704] ___sys_sendmsg+0xee/0x170 [11633.628031][ T7704] __sys_sendmsg+0xcd/0x170 [11633.628031][ T7704] do_syscall_64+0xc6/0x1e0 [11633.628031][ T7704] [11633.630268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11633.630268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11633.630268][ T7704] ipv6_find_idev+0x102/0x170 [11633.630268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11633.630268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.630268][ T7704] netlink_rcv_skb+0x130/0x360 [11633.630268][ T7704] netlink_unicast+0x449/0x710 [11633.630268][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.630268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.630268][ T7704] ___sys_sendmsg+0xee/0x170 [11633.630268][ T7704] __sys_sendmsg+0xcd/0x170 [11633.630268][ T7704] do_syscall_64+0xc6/0x1e0 [11633.630268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.630268][ T7704] [11633.632008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11633.632008][ T7704] neigh_parms_alloc+0x1e5/0x510 [11633.632008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11633.632008][ T7704] ipv6_find_idev+0x102/0x170 [11633.632008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11633.632008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.632008][ T7704] netlink_rcv_skb+0x130/0x360 [11633.632008][ T7704] netlink_unicast+0x449/0x710 [11633.632008][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.632008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.632008][ T7704] ___sys_sendmsg+0xee/0x170 [11633.632008][ T7704] __sys_sendmsg+0xcd/0x170 [11633.632008][ T7704] do_syscall_64+0xc6/0x1e0 [11633.632008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.632008][ T7704] [11643.798976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11643.799482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11643.799482][ T7704] netdev_get_by_index+0x5e/0x80 [11643.799482][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.799482][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.799482][ T7704] ip6_route_add+0x1c/0x140 [11643.799482][ T7704] addrconf_prefix_route+0x2a6/0x430 [11643.799482][ T7704] inet6_addr_add+0x4f8/0xa40 [11643.799482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.799482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.799482][ T7704] netlink_rcv_skb+0x130/0x360 [11643.799482][ T7704] netlink_unicast+0x449/0x710 [11643.799482][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.799482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.799482][ T7704] ___sys_sendmsg+0xee/0x170 [11643.799482][ T7704] __sys_sendmsg+0xcd/0x170 [11643.799482][ T7704] do_syscall_64+0xc6/0x1e0 [11643.799482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.799482][ T7704] [11643.801771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11643.801771][ T7704] netdev_get_by_index+0x5e/0x80 [11643.801771][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.801771][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.801771][ T7704] addrconf_f6i_alloc+0x315/0x560 [11643.801771][ T7704] ipv6_add_addr+0x411/0x2000 [11643.801771][ T7704] inet6_addr_add+0x30e/0xa40 [11643.801771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.801771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.801771][ T7704] netlink_rcv_skb+0x130/0x360 [11643.801771][ T7704] netlink_unicast+0x449/0x710 [11643.801771][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.801771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.801771][ T7704] ___sys_sendmsg+0xee/0x170 [11643.801771][ T7704] __sys_sendmsg+0xcd/0x170 [11643.801771][ T7704] do_syscall_64+0xc6/0x1e0 [11643.801771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.801771][ T7704] [11643.804037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11643.804037][ T7704] netdev_get_by_index+0x5e/0x80 [11643.804037][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.804037][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.804037][ T7704] ip6_route_add+0x1c/0x140 [11643.804037][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11643.804037][ T7704] addrconf_add_dev+0xe2/0x170 [11643.804037][ T7704] inet6_addr_add+0x12f/0xa40 [11643.804037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.804037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.804037][ T7704] netlink_rcv_skb+0x130/0x360 [11643.804037][ T7704] netlink_unicast+0x449/0x710 [11643.804037][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.804037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.804037][ T7704] ___sys_sendmsg+0xee/0x170 [11643.804037][ T7704] __sys_sendmsg+0xcd/0x170 [11643.804037][ T7704] do_syscall_64+0xc6/0x1e0 [11643.804037][ T7704] [11643.806267][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11643.806267][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11643.806267][ T7704] ipv6_find_idev+0x102/0x170 [11643.806267][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11643.806267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.806267][ T7704] netlink_rcv_skb+0x130/0x360 [11643.806267][ T7704] netlink_unicast+0x449/0x710 [11643.806267][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.806267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.806267][ T7704] ___sys_sendmsg+0xee/0x170 [11643.806267][ T7704] __sys_sendmsg+0xcd/0x170 [11643.806267][ T7704] do_syscall_64+0xc6/0x1e0 [11643.806267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.806267][ T7704] [11643.808008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11643.808008][ T7704] neigh_parms_alloc+0x1e5/0x510 [11643.808008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11643.808008][ T7704] ipv6_find_idev+0x102/0x170 [11643.808008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11643.808008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.808008][ T7704] netlink_rcv_skb+0x130/0x360 [11643.808008][ T7704] netlink_unicast+0x449/0x710 [11643.808008][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.808008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.808008][ T7704] ___sys_sendmsg+0xee/0x170 [11643.808008][ T7704] __sys_sendmsg+0xcd/0x170 [11643.808008][ T7704] do_syscall_64+0xc6/0x1e0 [11643.808008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.808008][ T7704] [11654.046938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11654.047387][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11654.047387][ T7704] netdev_get_by_index+0x5e/0x80 [11654.047387][ T7704] fib6_nh_init+0x3d8/0x15b0 [11654.047387][ T7704] ip6_route_info_create+0xf18/0x17d0 [11654.047387][ T7704] ip6_route_add+0x1c/0x140 [11654.047387][ T7704] addrconf_prefix_route+0x2a6/0x430 [11654.047387][ T7704] inet6_addr_add+0x4f8/0xa40 [11654.047387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11654.047387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11654.047387][ T7704] netlink_rcv_skb+0x130/0x360 [11654.047387][ T7704] netlink_unicast+0x449/0x710 [11654.047387][ T7704] netlink_sendmsg+0x723/0xbe0 [11654.047387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11654.047387][ T7704] ___sys_sendmsg+0xee/0x170 [11654.047387][ T7704] __sys_sendmsg+0xcd/0x170 [11654.047387][ T7704] do_syscall_64+0xc6/0x1e0 [11654.047387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11654.047387][ T7704] [11654.049657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11654.049657][ T7704] netdev_get_by_index+0x5e/0x80 [11654.049657][ T7704] fib6_nh_init+0x3d8/0x15b0 [11654.049657][ T7704] ip6_route_info_create+0xf18/0x17d0 [11654.049657][ T7704] addrconf_f6i_alloc+0x315/0x560 [11654.049657][ T7704] ipv6_add_addr+0x411/0x2000 [11654.049657][ T7704] inet6_addr_add+0x30e/0xa40 [11654.049657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11654.049657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11654.049657][ T7704] netlink_rcv_skb+0x130/0x360 [11654.049657][ T7704] netlink_unicast+0x449/0x710 [11654.049657][ T7704] netlink_sendmsg+0x723/0xbe0 [11654.049657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11654.049657][ T7704] ___sys_sendmsg+0xee/0x170 [11654.049657][ T7704] __sys_sendmsg+0xcd/0x170 [11654.049657][ T7704] do_syscall_64+0xc6/0x1e0 [11654.049657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11654.049657][ T7704] [11654.051919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11654.051919][ T7704] netdev_get_by_index+0x5e/0x80 [11654.051919][ T7704] fib6_nh_init+0x3d8/0x15b0 [11654.051919][ T7704] ip6_route_info_create+0xf18/0x17d0 [11654.051919][ T7704] ip6_route_add+0x1c/0x140 [11654.051919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11654.051919][ T7704] addrconf_add_dev+0xe2/0x170 [11654.051919][ T7704] inet6_addr_add+0x12f/0xa40 [11654.051919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11654.051919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11654.051919][ T7704] netlink_rcv_skb+0x130/0x360 [11654.051919][ T7704] netlink_unicast+0x449/0x710 [11654.051919][ T7704] netlink_sendmsg+0x723/0xbe0 [11654.051919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11654.051919][ T7704] ___sys_sendmsg+0xee/0x170 [11654.051919][ T7704] __sys_sendmsg+0xcd/0x170 [11654.051919][ T7704] do_syscall_64+0xc6/0x1e0 [11654.051919][ T7704] [11654.054172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11654.054172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11654.054172][ T7704] ipv6_find_idev+0x102/0x170 [11654.054172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11654.054172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11654.054172][ T7704] netlink_rcv_skb+0x130/0x360 [11654.054172][ T7704] netlink_unicast+0x449/0x710 [11654.054172][ T7704] netlink_sendmsg+0x723/0xbe0 [11654.054172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11654.054172][ T7704] ___sys_sendmsg+0xee/0x170 [11654.054172][ T7704] __sys_sendmsg+0xcd/0x170 [11654.054172][ T7704] do_syscall_64+0xc6/0x1e0 [11654.054172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11654.054172][ T7704] [11654.055915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11654.055915][ T7704] neigh_parms_alloc+0x1e5/0x510 [11654.055915][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11654.055915][ T7704] ipv6_find_idev+0x102/0x170 [11654.055915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11654.055915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11654.055915][ T7704] netlink_rcv_skb+0x130/0x360 [11654.055915][ T7704] netlink_unicast+0x449/0x710 [11654.055915][ T7704] netlink_sendmsg+0x723/0xbe0 [11654.055915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11654.055915][ T7704] ___sys_sendmsg+0xee/0x170 [11654.055915][ T7704] __sys_sendmsg+0xcd/0x170 [11654.055915][ T7704] do_syscall_64+0xc6/0x1e0 [11654.055915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11654.055915][ T7704] [11664.294973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11664.295455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11664.295455][ T7704] netdev_get_by_index+0x5e/0x80 [11664.295455][ T7704] fib6_nh_init+0x3d8/0x15b0 [11664.295455][ T7704] ip6_route_info_create+0xf18/0x17d0 [11664.295455][ T7704] ip6_route_add+0x1c/0x140 [11664.295455][ T7704] addrconf_prefix_route+0x2a6/0x430 [11664.295455][ T7704] inet6_addr_add+0x4f8/0xa40 [11664.295455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11664.295455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11664.295455][ T7704] netlink_rcv_skb+0x130/0x360 [11664.295455][ T7704] netlink_unicast+0x449/0x710 [11664.295455][ T7704] netlink_sendmsg+0x723/0xbe0 [11664.295455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11664.295455][ T7704] ___sys_sendmsg+0xee/0x170 [11664.295455][ T7704] __sys_sendmsg+0xcd/0x170 [11664.295455][ T7704] do_syscall_64+0xc6/0x1e0 [11664.295455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11664.295455][ T7704] [11664.297714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11664.297714][ T7704] netdev_get_by_index+0x5e/0x80 [11664.297714][ T7704] fib6_nh_init+0x3d8/0x15b0 [11664.297714][ T7704] ip6_route_info_create+0xf18/0x17d0 [11664.297714][ T7704] addrconf_f6i_alloc+0x315/0x560 [11664.297714][ T7704] ipv6_add_addr+0x411/0x2000 [11664.297714][ T7704] inet6_addr_add+0x30e/0xa40 [11664.297714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11664.297714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11664.297714][ T7704] netlink_rcv_skb+0x130/0x360 [11664.297714][ T7704] netlink_unicast+0x449/0x710 [11664.297714][ T7704] netlink_sendmsg+0x723/0xbe0 [11664.297714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11664.297714][ T7704] ___sys_sendmsg+0xee/0x170 [11664.297714][ T7704] __sys_sendmsg+0xcd/0x170 [11664.297714][ T7704] do_syscall_64+0xc6/0x1e0 [11664.297714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11664.297714][ T7704] [11664.299939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11664.299939][ T7704] netdev_get_by_index+0x5e/0x80 [11664.299939][ T7704] fib6_nh_init+0x3d8/0x15b0 [11664.299939][ T7704] ip6_route_info_create+0xf18/0x17d0 [11664.299939][ T7704] ip6_route_add+0x1c/0x140 [11664.299939][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11664.299939][ T7704] addrconf_add_dev+0xe2/0x170 [11664.299939][ T7704] inet6_addr_add+0x12f/0xa40 [11664.299939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11664.299939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11664.299939][ T7704] netlink_rcv_skb+0x130/0x360 [11664.299939][ T7704] netlink_unicast+0x449/0x710 [11664.299939][ T7704] netlink_sendmsg+0x723/0xbe0 [11664.299939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11664.299939][ T7704] ___sys_sendmsg+0xee/0x170 [11664.299939][ T7704] __sys_sendmsg+0xcd/0x170 [11664.299939][ T7704] do_syscall_64+0xc6/0x1e0 [11664.299939][ T7704] [11664.302138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11664.302138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11664.302138][ T7704] ipv6_find_idev+0x102/0x170 [11664.302138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11664.302138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11664.302138][ T7704] netlink_rcv_skb+0x130/0x360 [11664.302138][ T7704] netlink_unicast+0x449/0x710 [11664.302138][ T7704] netlink_sendmsg+0x723/0xbe0 [11664.302138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11664.302138][ T7704] ___sys_sendmsg+0xee/0x170 [11664.302138][ T7704] __sys_sendmsg+0xcd/0x170 [11664.302138][ T7704] do_syscall_64+0xc6/0x1e0 [11664.302138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11664.302138][ T7704] [11664.303854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11664.303854][ T7704] neigh_parms_alloc+0x1e5/0x510 [11664.303854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11664.303854][ T7704] ipv6_find_idev+0x102/0x170 [11664.303854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11664.303854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11664.303854][ T7704] netlink_rcv_skb+0x130/0x360 [11664.303854][ T7704] netlink_unicast+0x449/0x710 [11664.303854][ T7704] netlink_sendmsg+0x723/0xbe0 [11664.303854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11664.303854][ T7704] ___sys_sendmsg+0xee/0x170 [11664.303854][ T7704] __sys_sendmsg+0xcd/0x170 [11664.303854][ T7704] do_syscall_64+0xc6/0x1e0 [11664.303854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11664.303854][ T7704] [11674.422882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11674.423369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11674.423369][ T7704] netdev_get_by_index+0x5e/0x80 [11674.423369][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.423369][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.423369][ T7704] ip6_route_add+0x1c/0x140 [11674.423369][ T7704] addrconf_prefix_route+0x2a6/0x430 [11674.423369][ T7704] inet6_addr_add+0x4f8/0xa40 [11674.423369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.423369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.423369][ T7704] netlink_rcv_skb+0x130/0x360 [11674.423369][ T7704] netlink_unicast+0x449/0x710 [11674.423369][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.423369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.423369][ T7704] ___sys_sendmsg+0xee/0x170 [11674.423369][ T7704] __sys_sendmsg+0xcd/0x170 [11674.423369][ T7704] do_syscall_64+0xc6/0x1e0 [11674.423369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.423369][ T7704] [11674.425655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11674.425655][ T7704] netdev_get_by_index+0x5e/0x80 [11674.425655][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.425655][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.425655][ T7704] addrconf_f6i_alloc+0x315/0x560 [11674.425655][ T7704] ipv6_add_addr+0x411/0x2000 [11674.425655][ T7704] inet6_addr_add+0x30e/0xa40 [11674.425655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.425655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.425655][ T7704] netlink_rcv_skb+0x130/0x360 [11674.425655][ T7704] netlink_unicast+0x449/0x710 [11674.425655][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.425655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.425655][ T7704] ___sys_sendmsg+0xee/0x170 [11674.425655][ T7704] __sys_sendmsg+0xcd/0x170 [11674.425655][ T7704] do_syscall_64+0xc6/0x1e0 [11674.425655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.425655][ T7704] [11674.427877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11674.427877][ T7704] netdev_get_by_index+0x5e/0x80 [11674.427877][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.427877][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.427877][ T7704] ip6_route_add+0x1c/0x140 [11674.427877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11674.427877][ T7704] addrconf_add_dev+0xe2/0x170 [11674.427877][ T7704] inet6_addr_add+0x12f/0xa40 [11674.427877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.427877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.427877][ T7704] netlink_rcv_skb+0x130/0x360 [11674.427877][ T7704] netlink_unicast+0x449/0x710 [11674.427877][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.427877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.427877][ T7704] ___sys_sendmsg+0xee/0x170 [11674.427877][ T7704] __sys_sendmsg+0xcd/0x170 [11674.427877][ T7704] do_syscall_64+0xc6/0x1e0 [11674.427877][ T7704] [11674.430059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11674.430059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11674.430059][ T7704] ipv6_find_idev+0x102/0x170 [11674.430059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11674.430059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.430059][ T7704] netlink_rcv_skb+0x130/0x360 [11674.430059][ T7704] netlink_unicast+0x449/0x710 [11674.430059][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.430059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.430059][ T7704] ___sys_sendmsg+0xee/0x170 [11674.430059][ T7704] __sys_sendmsg+0xcd/0x170 [11674.430059][ T7704] do_syscall_64+0xc6/0x1e0 [11674.430059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.430059][ T7704] [11674.431766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11674.431766][ T7704] neigh_parms_alloc+0x1e5/0x510 [11674.431766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11674.431766][ T7704] ipv6_find_idev+0x102/0x170 [11674.431766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11674.431766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.431766][ T7704] netlink_rcv_skb+0x130/0x360 [11674.431766][ T7704] netlink_unicast+0x449/0x710 [11674.431766][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.431766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.431766][ T7704] ___sys_sendmsg+0xee/0x170 [11674.431766][ T7704] __sys_sendmsg+0xcd/0x170 [11674.431766][ T7704] do_syscall_64+0xc6/0x1e0 [11674.431766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.431766][ T7704] [11684.686959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11684.687461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11684.687461][ T7704] netdev_get_by_index+0x5e/0x80 [11684.687461][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.687461][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.687461][ T7704] ip6_route_add+0x1c/0x140 [11684.687461][ T7704] addrconf_prefix_route+0x2a6/0x430 [11684.687461][ T7704] inet6_addr_add+0x4f8/0xa40 [11684.687461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.687461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.687461][ T7704] netlink_rcv_skb+0x130/0x360 [11684.687461][ T7704] netlink_unicast+0x449/0x710 [11684.687461][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.687461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.687461][ T7704] ___sys_sendmsg+0xee/0x170 [11684.687461][ T7704] __sys_sendmsg+0xcd/0x170 [11684.687461][ T7704] do_syscall_64+0xc6/0x1e0 [11684.687461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.687461][ T7704] [11684.689701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11684.689701][ T7704] netdev_get_by_index+0x5e/0x80 [11684.689701][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.689701][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.689701][ T7704] addrconf_f6i_alloc+0x315/0x560 [11684.689701][ T7704] ipv6_add_addr+0x411/0x2000 [11684.689701][ T7704] inet6_addr_add+0x30e/0xa40 [11684.689701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.689701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.689701][ T7704] netlink_rcv_skb+0x130/0x360 [11684.689701][ T7704] netlink_unicast+0x449/0x710 [11684.689701][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.689701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.689701][ T7704] ___sys_sendmsg+0xee/0x170 [11684.689701][ T7704] __sys_sendmsg+0xcd/0x170 [11684.689701][ T7704] do_syscall_64+0xc6/0x1e0 [11684.689701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.689701][ T7704] [11684.691926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11684.691926][ T7704] netdev_get_by_index+0x5e/0x80 [11684.691926][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.691926][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.691926][ T7704] ip6_route_add+0x1c/0x140 [11684.691926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11684.691926][ T7704] addrconf_add_dev+0xe2/0x170 [11684.691926][ T7704] inet6_addr_add+0x12f/0xa40 [11684.691926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.691926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.691926][ T7704] netlink_rcv_skb+0x130/0x360 [11684.691926][ T7704] netlink_unicast+0x449/0x710 [11684.691926][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.691926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.691926][ T7704] ___sys_sendmsg+0xee/0x170 [11684.691926][ T7704] __sys_sendmsg+0xcd/0x170 [11684.691926][ T7704] do_syscall_64+0xc6/0x1e0 [11684.691926][ T7704] [11684.694112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11684.694112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11684.694112][ T7704] ipv6_find_idev+0x102/0x170 [11684.694112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11684.694112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.694112][ T7704] netlink_rcv_skb+0x130/0x360 [11684.694112][ T7704] netlink_unicast+0x449/0x710 [11684.694112][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.694112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.694112][ T7704] ___sys_sendmsg+0xee/0x170 [11684.694112][ T7704] __sys_sendmsg+0xcd/0x170 [11684.694112][ T7704] do_syscall_64+0xc6/0x1e0 [11684.694112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.694112][ T7704] [11684.695842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11684.695842][ T7704] neigh_parms_alloc+0x1e5/0x510 [11684.695842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11684.695842][ T7704] ipv6_find_idev+0x102/0x170 [11684.695842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11684.695842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.695842][ T7704] netlink_rcv_skb+0x130/0x360 [11684.695842][ T7704] netlink_unicast+0x449/0x710 [11684.695842][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.695842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.695842][ T7704] ___sys_sendmsg+0xee/0x170 [11684.695842][ T7704] __sys_sendmsg+0xcd/0x170 [11684.695842][ T7704] do_syscall_64+0xc6/0x1e0 [11684.695842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.695842][ T7704] [11694.942880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11694.943364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11694.943364][ T7704] netdev_get_by_index+0x5e/0x80 [11694.943364][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.943364][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.943364][ T7704] ip6_route_add+0x1c/0x140 [11694.943364][ T7704] addrconf_prefix_route+0x2a6/0x430 [11694.943364][ T7704] inet6_addr_add+0x4f8/0xa40 [11694.943364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.943364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.943364][ T7704] netlink_rcv_skb+0x130/0x360 [11694.943364][ T7704] netlink_unicast+0x449/0x710 [11694.943364][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.943364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.943364][ T7704] ___sys_sendmsg+0xee/0x170 [11694.943364][ T7704] __sys_sendmsg+0xcd/0x170 [11694.943364][ T7704] do_syscall_64+0xc6/0x1e0 [11694.943364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.943364][ T7704] [11694.945937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11694.945937][ T7704] netdev_get_by_index+0x5e/0x80 [11694.945937][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.945937][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.945937][ T7704] addrconf_f6i_alloc+0x315/0x560 [11694.945937][ T7704] ipv6_add_addr+0x411/0x2000 [11694.945937][ T7704] inet6_addr_add+0x30e/0xa40 [11694.945937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.945937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.945937][ T7704] netlink_rcv_skb+0x130/0x360 [11694.945937][ T7704] netlink_unicast+0x449/0x710 [11694.945937][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.945937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.945937][ T7704] ___sys_sendmsg+0xee/0x170 [11694.945937][ T7704] __sys_sendmsg+0xcd/0x170 [11694.945937][ T7704] do_syscall_64+0xc6/0x1e0 [11694.945937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.945937][ T7704] [11694.948184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11694.948184][ T7704] netdev_get_by_index+0x5e/0x80 [11694.948184][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.948184][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.948184][ T7704] ip6_route_add+0x1c/0x140 [11694.948184][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11694.948184][ T7704] addrconf_add_dev+0xe2/0x170 [11694.948184][ T7704] inet6_addr_add+0x12f/0xa40 [11694.948184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.948184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.948184][ T7704] netlink_rcv_skb+0x130/0x360 [11694.948184][ T7704] netlink_unicast+0x449/0x710 [11694.948184][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.948184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.948184][ T7704] ___sys_sendmsg+0xee/0x170 [11694.948184][ T7704] __sys_sendmsg+0xcd/0x170 [11694.948184][ T7704] do_syscall_64+0xc6/0x1e0 [11694.948184][ T7704] [11694.950390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11694.950390][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11694.950390][ T7704] ipv6_find_idev+0x102/0x170 [11694.950390][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11694.950390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.950390][ T7704] netlink_rcv_skb+0x130/0x360 [11694.950390][ T7704] netlink_unicast+0x449/0x710 [11694.950390][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.950390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.950390][ T7704] ___sys_sendmsg+0xee/0x170 [11694.950390][ T7704] __sys_sendmsg+0xcd/0x170 [11694.950390][ T7704] do_syscall_64+0xc6/0x1e0 [11694.950390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.950390][ T7704] [11694.952298][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11694.952298][ T7704] neigh_parms_alloc+0x1e5/0x510 [11694.952298][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11694.952298][ T7704] ipv6_find_idev+0x102/0x170 [11694.952298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11694.952298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.952298][ T7704] netlink_rcv_skb+0x130/0x360 [11694.952298][ T7704] netlink_unicast+0x449/0x710 [11694.952298][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.952298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.952298][ T7704] ___sys_sendmsg+0xee/0x170 [11694.952298][ T7704] __sys_sendmsg+0xcd/0x170 [11694.952298][ T7704] do_syscall_64+0xc6/0x1e0 [11694.952298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.952298][ T7704] [11705.206972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11705.207472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11705.207472][ T7704] netdev_get_by_index+0x5e/0x80 [11705.207472][ T7704] fib6_nh_init+0x3d8/0x15b0 [11705.207472][ T7704] ip6_route_info_create+0xf18/0x17d0 [11705.207472][ T7704] ip6_route_add+0x1c/0x140 [11705.207472][ T7704] addrconf_prefix_route+0x2a6/0x430 [11705.207472][ T7704] inet6_addr_add+0x4f8/0xa40 [11705.207472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11705.207472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11705.207472][ T7704] netlink_rcv_skb+0x130/0x360 [11705.207472][ T7704] netlink_unicast+0x449/0x710 [11705.207472][ T7704] netlink_sendmsg+0x723/0xbe0 [11705.207472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11705.207472][ T7704] ___sys_sendmsg+0xee/0x170 [11705.207472][ T7704] __sys_sendmsg+0xcd/0x170 [11705.207472][ T7704] do_syscall_64+0xc6/0x1e0 [11705.207472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11705.207472][ T7704] [11705.209777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11705.209777][ T7704] netdev_get_by_index+0x5e/0x80 [11705.209777][ T7704] fib6_nh_init+0x3d8/0x15b0 [11705.209777][ T7704] ip6_route_info_create+0xf18/0x17d0 [11705.209777][ T7704] addrconf_f6i_alloc+0x315/0x560 [11705.209777][ T7704] ipv6_add_addr+0x411/0x2000 [11705.209777][ T7704] inet6_addr_add+0x30e/0xa40 [11705.209777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11705.209777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11705.209777][ T7704] netlink_rcv_skb+0x130/0x360 [11705.209777][ T7704] netlink_unicast+0x449/0x710 [11705.209777][ T7704] netlink_sendmsg+0x723/0xbe0 [11705.209777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11705.209777][ T7704] ___sys_sendmsg+0xee/0x170 [11705.209777][ T7704] __sys_sendmsg+0xcd/0x170 [11705.209777][ T7704] do_syscall_64+0xc6/0x1e0 [11705.209777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11705.209777][ T7704] [11705.212035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11705.212035][ T7704] netdev_get_by_index+0x5e/0x80 [11705.212035][ T7704] fib6_nh_init+0x3d8/0x15b0 [11705.212035][ T7704] ip6_route_info_create+0xf18/0x17d0 [11705.212035][ T7704] ip6_route_add+0x1c/0x140 [11705.212035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11705.212035][ T7704] addrconf_add_dev+0xe2/0x170 [11705.212035][ T7704] inet6_addr_add+0x12f/0xa40 [11705.212035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11705.212035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11705.212035][ T7704] netlink_rcv_skb+0x130/0x360 [11705.212035][ T7704] netlink_unicast+0x449/0x710 [11705.212035][ T7704] netlink_sendmsg+0x723/0xbe0 [11705.212035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11705.212035][ T7704] ___sys_sendmsg+0xee/0x170 [11705.212035][ T7704] __sys_sendmsg+0xcd/0x170 [11705.212035][ T7704] do_syscall_64+0xc6/0x1e0 [11705.212035][ T7704] [11705.214258][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11705.214258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11705.214258][ T7704] ipv6_find_idev+0x102/0x170 [11705.214258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11705.214258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11705.214258][ T7704] netlink_rcv_skb+0x130/0x360 [11705.214258][ T7704] netlink_unicast+0x449/0x710 [11705.214258][ T7704] netlink_sendmsg+0x723/0xbe0 [11705.214258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11705.214258][ T7704] ___sys_sendmsg+0xee/0x170 [11705.214258][ T7704] __sys_sendmsg+0xcd/0x170 [11705.214258][ T7704] do_syscall_64+0xc6/0x1e0 [11705.214258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11705.214258][ T7704] [11705.216013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11705.216013][ T7704] neigh_parms_alloc+0x1e5/0x510 [11705.216013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11705.216013][ T7704] ipv6_find_idev+0x102/0x170 [11705.216013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11705.216013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11705.216013][ T7704] netlink_rcv_skb+0x130/0x360 [11705.216013][ T7704] netlink_unicast+0x449/0x710 [11705.216013][ T7704] netlink_sendmsg+0x723/0xbe0 [11705.216013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11705.216013][ T7704] ___sys_sendmsg+0xee/0x170 [11705.216013][ T7704] __sys_sendmsg+0xcd/0x170 [11705.216013][ T7704] do_syscall_64+0xc6/0x1e0 [11705.216013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11705.216013][ T7704] [11715.470886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11715.471407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11715.471407][ T7704] netdev_get_by_index+0x5e/0x80 [11715.471407][ T7704] fib6_nh_init+0x3d8/0x15b0 [11715.471407][ T7704] ip6_route_info_create+0xf18/0x17d0 [11715.471407][ T7704] ip6_route_add+0x1c/0x140 [11715.471407][ T7704] addrconf_prefix_route+0x2a6/0x430 [11715.471407][ T7704] inet6_addr_add+0x4f8/0xa40 [11715.471407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11715.471407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11715.471407][ T7704] netlink_rcv_skb+0x130/0x360 [11715.471407][ T7704] netlink_unicast+0x449/0x710 [11715.471407][ T7704] netlink_sendmsg+0x723/0xbe0 [11715.471407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11715.471407][ T7704] ___sys_sendmsg+0xee/0x170 [11715.471407][ T7704] __sys_sendmsg+0xcd/0x170 [11715.471407][ T7704] do_syscall_64+0xc6/0x1e0 [11715.471407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11715.471407][ T7704] [11715.473904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11715.473904][ T7704] netdev_get_by_index+0x5e/0x80 [11715.473904][ T7704] fib6_nh_init+0x3d8/0x15b0 [11715.473904][ T7704] ip6_route_info_create+0xf18/0x17d0 [11715.473904][ T7704] addrconf_f6i_alloc+0x315/0x560 [11715.473904][ T7704] ipv6_add_addr+0x411/0x2000 [11715.473904][ T7704] inet6_addr_add+0x30e/0xa40 [11715.473904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11715.473904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11715.473904][ T7704] netlink_rcv_skb+0x130/0x360 [11715.473904][ T7704] netlink_unicast+0x449/0x710 [11715.473904][ T7704] netlink_sendmsg+0x723/0xbe0 [11715.473904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11715.473904][ T7704] ___sys_sendmsg+0xee/0x170 [11715.473904][ T7704] __sys_sendmsg+0xcd/0x170 [11715.473904][ T7704] do_syscall_64+0xc6/0x1e0 [11715.473904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11715.473904][ T7704] [11715.476287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11715.476287][ T7704] netdev_get_by_index+0x5e/0x80 [11715.476287][ T7704] fib6_nh_init+0x3d8/0x15b0 [11715.476287][ T7704] ip6_route_info_create+0xf18/0x17d0 [11715.476287][ T7704] ip6_route_add+0x1c/0x140 [11715.476287][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11715.476287][ T7704] addrconf_add_dev+0xe2/0x170 [11715.476287][ T7704] inet6_addr_add+0x12f/0xa40 [11715.476287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11715.476287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11715.476287][ T7704] netlink_rcv_skb+0x130/0x360 [11715.476287][ T7704] netlink_unicast+0x449/0x710 [11715.476287][ T7704] netlink_sendmsg+0x723/0xbe0 [11715.476287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11715.476287][ T7704] ___sys_sendmsg+0xee/0x170 [11715.476287][ T7704] __sys_sendmsg+0xcd/0x170 [11715.476287][ T7704] do_syscall_64+0xc6/0x1e0 [11715.476287][ T7704] [11715.478595][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11715.478595][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11715.478595][ T7704] ipv6_find_idev+0x102/0x170 [11715.478595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11715.478595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11715.478595][ T7704] netlink_rcv_skb+0x130/0x360 [11715.478595][ T7704] netlink_unicast+0x449/0x710 [11715.478595][ T7704] netlink_sendmsg+0x723/0xbe0 [11715.478595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11715.478595][ T7704] ___sys_sendmsg+0xee/0x170 [11715.478595][ T7704] __sys_sendmsg+0xcd/0x170 [11715.478595][ T7704] do_syscall_64+0xc6/0x1e0 [11715.478595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11715.478595][ T7704] [11715.480400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11715.480400][ T7704] neigh_parms_alloc+0x1e5/0x510 [11715.480400][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11715.480400][ T7704] ipv6_find_idev+0x102/0x170 [11715.480400][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11715.480400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11715.480400][ T7704] netlink_rcv_skb+0x130/0x360 [11715.480400][ T7704] netlink_unicast+0x449/0x710 [11715.480400][ T7704] netlink_sendmsg+0x723/0xbe0 [11715.480400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11715.480400][ T7704] ___sys_sendmsg+0xee/0x170 [11715.480400][ T7704] __sys_sendmsg+0xcd/0x170 [11715.480400][ T7704] do_syscall_64+0xc6/0x1e0 [11715.480400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11715.480400][ T7704] [11725.734895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11725.735389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11725.735389][ T7704] netdev_get_by_index+0x5e/0x80 [11725.735389][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.735389][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.735389][ T7704] ip6_route_add+0x1c/0x140 [11725.735389][ T7704] addrconf_prefix_route+0x2a6/0x430 [11725.735389][ T7704] inet6_addr_add+0x4f8/0xa40 [11725.735389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.735389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.735389][ T7704] netlink_rcv_skb+0x130/0x360 [11725.735389][ T7704] netlink_unicast+0x449/0x710 [11725.735389][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.735389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.735389][ T7704] ___sys_sendmsg+0xee/0x170 [11725.735389][ T7704] __sys_sendmsg+0xcd/0x170 [11725.735389][ T7704] do_syscall_64+0xc6/0x1e0 [11725.735389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.735389][ T7704] [11725.737902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11725.737902][ T7704] netdev_get_by_index+0x5e/0x80 [11725.737902][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.737902][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.737902][ T7704] addrconf_f6i_alloc+0x315/0x560 [11725.737902][ T7704] ipv6_add_addr+0x411/0x2000 [11725.737902][ T7704] inet6_addr_add+0x30e/0xa40 [11725.737902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.737902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.737902][ T7704] netlink_rcv_skb+0x130/0x360 [11725.737902][ T7704] netlink_unicast+0x449/0x710 [11725.737902][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.737902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.737902][ T7704] ___sys_sendmsg+0xee/0x170 [11725.737902][ T7704] __sys_sendmsg+0xcd/0x170 [11725.737902][ T7704] do_syscall_64+0xc6/0x1e0 [11725.737902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.737902][ T7704] [11725.740374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11725.740374][ T7704] netdev_get_by_index+0x5e/0x80 [11725.740374][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.740374][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.740374][ T7704] ip6_route_add+0x1c/0x140 [11725.740374][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11725.740374][ T7704] addrconf_add_dev+0xe2/0x170 [11725.740374][ T7704] inet6_addr_add+0x12f/0xa40 [11725.740374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.740374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.740374][ T7704] netlink_rcv_skb+0x130/0x360 [11725.740374][ T7704] netlink_unicast+0x449/0x710 [11725.740374][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.740374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.740374][ T7704] ___sys_sendmsg+0xee/0x170 [11725.740374][ T7704] __sys_sendmsg+0xcd/0x170 [11725.740374][ T7704] do_syscall_64+0xc6/0x1e0 [11725.740374][ T7704] [11725.742730][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11725.742730][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11725.742730][ T7704] ipv6_find_idev+0x102/0x170 [11725.742730][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11725.742730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.742730][ T7704] netlink_rcv_skb+0x130/0x360 [11725.742730][ T7704] netlink_unicast+0x449/0x710 [11725.742730][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.742730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.742730][ T7704] ___sys_sendmsg+0xee/0x170 [11725.742730][ T7704] __sys_sendmsg+0xcd/0x170 [11725.742730][ T7704] do_syscall_64+0xc6/0x1e0 [11725.742730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.742730][ T7704] [11725.744577][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11725.744577][ T7704] neigh_parms_alloc+0x1e5/0x510 [11725.744577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11725.744577][ T7704] ipv6_find_idev+0x102/0x170 [11725.744577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11725.744577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.744577][ T7704] netlink_rcv_skb+0x130/0x360 [11725.744577][ T7704] netlink_unicast+0x449/0x710 [11725.744577][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.744577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.744577][ T7704] ___sys_sendmsg+0xee/0x170 [11725.744577][ T7704] __sys_sendmsg+0xcd/0x170 [11725.744577][ T7704] do_syscall_64+0xc6/0x1e0 [11725.744577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.744577][ T7704] [11735.998902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11735.999428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11735.999428][ T7704] netdev_get_by_index+0x5e/0x80 [11735.999428][ T7704] fib6_nh_init+0x3d8/0x15b0 [11735.999428][ T7704] ip6_route_info_create+0xf18/0x17d0 [11735.999428][ T7704] ip6_route_add+0x1c/0x140 [11735.999428][ T7704] addrconf_prefix_route+0x2a6/0x430 [11735.999428][ T7704] inet6_addr_add+0x4f8/0xa40 [11735.999428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11735.999428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.999428][ T7704] netlink_rcv_skb+0x130/0x360 [11735.999428][ T7704] netlink_unicast+0x449/0x710 [11735.999428][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.999428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.999428][ T7704] ___sys_sendmsg+0xee/0x170 [11735.999428][ T7704] __sys_sendmsg+0xcd/0x170 [11735.999428][ T7704] do_syscall_64+0xc6/0x1e0 [11735.999428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11735.999428][ T7704] [11736.001835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11736.001835][ T7704] netdev_get_by_index+0x5e/0x80 [11736.001835][ T7704] fib6_nh_init+0x3d8/0x15b0 [11736.001835][ T7704] ip6_route_info_create+0xf18/0x17d0 [11736.001835][ T7704] addrconf_f6i_alloc+0x315/0x560 [11736.001835][ T7704] ipv6_add_addr+0x411/0x2000 [11736.001835][ T7704] inet6_addr_add+0x30e/0xa40 [11736.001835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11736.001835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11736.001835][ T7704] netlink_rcv_skb+0x130/0x360 [11736.001835][ T7704] netlink_unicast+0x449/0x710 [11736.001835][ T7704] netlink_sendmsg+0x723/0xbe0 [11736.001835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11736.001835][ T7704] ___sys_sendmsg+0xee/0x170 [11736.001835][ T7704] __sys_sendmsg+0xcd/0x170 [11736.001835][ T7704] do_syscall_64+0xc6/0x1e0 [11736.001835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11736.001835][ T7704] [11736.004244][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11736.004244][ T7704] netdev_get_by_index+0x5e/0x80 [11736.004244][ T7704] fib6_nh_init+0x3d8/0x15b0 [11736.004244][ T7704] ip6_route_info_create+0xf18/0x17d0 [11736.004244][ T7704] ip6_route_add+0x1c/0x140 [11736.004244][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11736.004244][ T7704] addrconf_add_dev+0xe2/0x170 [11736.004244][ T7704] inet6_addr_add+0x12f/0xa40 [11736.004244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11736.004244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11736.004244][ T7704] netlink_rcv_skb+0x130/0x360 [11736.004244][ T7704] netlink_unicast+0x449/0x710 [11736.004244][ T7704] netlink_sendmsg+0x723/0xbe0 [11736.004244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11736.004244][ T7704] ___sys_sendmsg+0xee/0x170 [11736.004244][ T7704] __sys_sendmsg+0xcd/0x170 [11736.004244][ T7704] do_syscall_64+0xc6/0x1e0 [11736.004244][ T7704] [11736.006697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11736.006697][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11736.006697][ T7704] ipv6_find_idev+0x102/0x170 [11736.006697][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11736.006697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11736.006697][ T7704] netlink_rcv_skb+0x130/0x360 [11736.006697][ T7704] netlink_unicast+0x449/0x710 [11736.006697][ T7704] netlink_sendmsg+0x723/0xbe0 [11736.006697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11736.006697][ T7704] ___sys_sendmsg+0xee/0x170 [11736.006697][ T7704] __sys_sendmsg+0xcd/0x170 [11736.006697][ T7704] do_syscall_64+0xc6/0x1e0 [11736.006697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11736.006697][ T7704] [11736.008619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11736.008619][ T7704] neigh_parms_alloc+0x1e5/0x510 [11736.008619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11736.008619][ T7704] ipv6_find_idev+0x102/0x170 [11736.008619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11736.008619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11736.008619][ T7704] netlink_rcv_skb+0x130/0x360 [11736.008619][ T7704] netlink_unicast+0x449/0x710 [11736.008619][ T7704] netlink_sendmsg+0x723/0xbe0 [11736.008619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11736.008619][ T7704] ___sys_sendmsg+0xee/0x170 [11736.008619][ T7704] __sys_sendmsg+0xcd/0x170 [11736.008619][ T7704] do_syscall_64+0xc6/0x1e0 [11736.008619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11736.008619][ T7704] [11746.150915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11746.151418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11746.151418][ T7704] netdev_get_by_index+0x5e/0x80 [11746.151418][ T7704] fib6_nh_init+0x3d8/0x15b0 [11746.151418][ T7704] ip6_route_info_create+0xf18/0x17d0 [11746.151418][ T7704] ip6_route_add+0x1c/0x140 [11746.151418][ T7704] addrconf_prefix_route+0x2a6/0x430 [11746.151418][ T7704] inet6_addr_add+0x4f8/0xa40 [11746.151418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11746.151418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11746.151418][ T7704] netlink_rcv_skb+0x130/0x360 [11746.151418][ T7704] netlink_unicast+0x449/0x710 [11746.151418][ T7704] netlink_sendmsg+0x723/0xbe0 [11746.151418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11746.151418][ T7704] ___sys_sendmsg+0xee/0x170 [11746.151418][ T7704] __sys_sendmsg+0xcd/0x170 [11746.151418][ T7704] do_syscall_64+0xc6/0x1e0 [11746.151418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11746.151418][ T7704] [11746.153813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11746.153813][ T7704] netdev_get_by_index+0x5e/0x80 [11746.153813][ T7704] fib6_nh_init+0x3d8/0x15b0 [11746.153813][ T7704] ip6_route_info_create+0xf18/0x17d0 [11746.153813][ T7704] addrconf_f6i_alloc+0x315/0x560 [11746.153813][ T7704] ipv6_add_addr+0x411/0x2000 [11746.153813][ T7704] inet6_addr_add+0x30e/0xa40 [11746.153813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11746.153813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11746.153813][ T7704] netlink_rcv_skb+0x130/0x360 [11746.153813][ T7704] netlink_unicast+0x449/0x710 [11746.153813][ T7704] netlink_sendmsg+0x723/0xbe0 [11746.153813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11746.153813][ T7704] ___sys_sendmsg+0xee/0x170 [11746.153813][ T7704] __sys_sendmsg+0xcd/0x170 [11746.153813][ T7704] do_syscall_64+0xc6/0x1e0 [11746.153813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11746.153813][ T7704] [11746.156168][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11746.156168][ T7704] netdev_get_by_index+0x5e/0x80 [11746.156168][ T7704] fib6_nh_init+0x3d8/0x15b0 [11746.156168][ T7704] ip6_route_info_create+0xf18/0x17d0 [11746.156168][ T7704] ip6_route_add+0x1c/0x140 [11746.156168][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11746.156168][ T7704] addrconf_add_dev+0xe2/0x170 [11746.156168][ T7704] inet6_addr_add+0x12f/0xa40 [11746.156168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11746.156168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11746.156168][ T7704] netlink_rcv_skb+0x130/0x360 [11746.156168][ T7704] netlink_unicast+0x449/0x710 [11746.156168][ T7704] netlink_sendmsg+0x723/0xbe0 [11746.156168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11746.156168][ T7704] ___sys_sendmsg+0xee/0x170 [11746.156168][ T7704] __sys_sendmsg+0xcd/0x170 [11746.156168][ T7704] do_syscall_64+0xc6/0x1e0 [11746.156168][ T7704] [11746.158532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11746.158532][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11746.158532][ T7704] ipv6_find_idev+0x102/0x170 [11746.158532][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11746.158532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11746.158532][ T7704] netlink_rcv_skb+0x130/0x360 [11746.158532][ T7704] netlink_unicast+0x449/0x710 [11746.158532][ T7704] netlink_sendmsg+0x723/0xbe0 [11746.158532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11746.158532][ T7704] ___sys_sendmsg+0xee/0x170 [11746.158532][ T7704] __sys_sendmsg+0xcd/0x170 [11746.158532][ T7704] do_syscall_64+0xc6/0x1e0 [11746.158532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11746.158532][ T7704] [11746.160403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11746.160403][ T7704] neigh_parms_alloc+0x1e5/0x510 [11746.160403][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11746.160403][ T7704] ipv6_find_idev+0x102/0x170 [11746.160403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11746.160403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11746.160403][ T7704] netlink_rcv_skb+0x130/0x360 [11746.160403][ T7704] netlink_unicast+0x449/0x710 [11746.160403][ T7704] netlink_sendmsg+0x723/0xbe0 [11746.160403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11746.160403][ T7704] ___sys_sendmsg+0xee/0x170 [11746.160403][ T7704] __sys_sendmsg+0xcd/0x170 [11746.160403][ T7704] do_syscall_64+0xc6/0x1e0 [11746.160403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11746.160403][ T7704] [11756.334977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11756.335486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11756.335486][ T7704] netdev_get_by_index+0x5e/0x80 [11756.335486][ T7704] fib6_nh_init+0x3d8/0x15b0 [11756.335486][ T7704] ip6_route_info_create+0xf18/0x17d0 [11756.335486][ T7704] ip6_route_add+0x1c/0x140 [11756.335486][ T7704] addrconf_prefix_route+0x2a6/0x430 [11756.335486][ T7704] inet6_addr_add+0x4f8/0xa40 [11756.335486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11756.335486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11756.335486][ T7704] netlink_rcv_skb+0x130/0x360 [11756.335486][ T7704] netlink_unicast+0x449/0x710 [11756.335486][ T7704] netlink_sendmsg+0x723/0xbe0 [11756.335486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11756.335486][ T7704] ___sys_sendmsg+0xee/0x170 [11756.335486][ T7704] __sys_sendmsg+0xcd/0x170 [11756.335486][ T7704] do_syscall_64+0xc6/0x1e0 [11756.335486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11756.335486][ T7704] [11756.338396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11756.338396][ T7704] netdev_get_by_index+0x5e/0x80 [11756.338396][ T7704] fib6_nh_init+0x3d8/0x15b0 [11756.338396][ T7704] ip6_route_info_create+0xf18/0x17d0 [11756.338396][ T7704] addrconf_f6i_alloc+0x315/0x560 [11756.338396][ T7704] ipv6_add_addr+0x411/0x2000 [11756.338396][ T7704] inet6_addr_add+0x30e/0xa40 [11756.338396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11756.338396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11756.338396][ T7704] netlink_rcv_skb+0x130/0x360 [11756.338396][ T7704] netlink_unicast+0x449/0x710 [11756.338396][ T7704] netlink_sendmsg+0x723/0xbe0 [11756.338396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11756.338396][ T7704] ___sys_sendmsg+0xee/0x170 [11756.338396][ T7704] __sys_sendmsg+0xcd/0x170 [11756.338396][ T7704] do_syscall_64+0xc6/0x1e0 [11756.338396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11756.338396][ T7704] [11756.340746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11756.340746][ T7704] netdev_get_by_index+0x5e/0x80 [11756.340746][ T7704] fib6_nh_init+0x3d8/0x15b0 [11756.340746][ T7704] ip6_route_info_create+0xf18/0x17d0 [11756.340746][ T7704] ip6_route_add+0x1c/0x140 [11756.340746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11756.340746][ T7704] addrconf_add_dev+0xe2/0x170 [11756.340746][ T7704] inet6_addr_add+0x12f/0xa40 [11756.340746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11756.340746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11756.340746][ T7704] netlink_rcv_skb+0x130/0x360 [11756.340746][ T7704] netlink_unicast+0x449/0x710 [11756.340746][ T7704] netlink_sendmsg+0x723/0xbe0 [11756.340746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11756.340746][ T7704] ___sys_sendmsg+0xee/0x170 [11756.340746][ T7704] __sys_sendmsg+0xcd/0x170 [11756.340746][ T7704] do_syscall_64+0xc6/0x1e0 [11756.340746][ T7704] [11756.342996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11756.342996][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11756.342996][ T7704] ipv6_find_idev+0x102/0x170 [11756.342996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11756.342996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11756.342996][ T7704] netlink_rcv_skb+0x130/0x360 [11756.342996][ T7704] netlink_unicast+0x449/0x710 [11756.342996][ T7704] netlink_sendmsg+0x723/0xbe0 [11756.342996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11756.342996][ T7704] ___sys_sendmsg+0xee/0x170 [11756.342996][ T7704] __sys_sendmsg+0xcd/0x170 [11756.342996][ T7704] do_syscall_64+0xc6/0x1e0 [11756.342996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11756.342996][ T7704] [11756.344781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11756.344781][ T7704] neigh_parms_alloc+0x1e5/0x510 [11756.344781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11756.344781][ T7704] ipv6_find_idev+0x102/0x170 [11756.344781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11756.344781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11756.344781][ T7704] netlink_rcv_skb+0x130/0x360 [11756.344781][ T7704] netlink_unicast+0x449/0x710 [11756.344781][ T7704] netlink_sendmsg+0x723/0xbe0 [11756.344781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11756.344781][ T7704] ___sys_sendmsg+0xee/0x170 [11756.344781][ T7704] __sys_sendmsg+0xcd/0x170 [11756.344781][ T7704] do_syscall_64+0xc6/0x1e0 [11756.344781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11756.344781][ T7704] [11766.590937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11766.591452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11766.591452][ T7704] netdev_get_by_index+0x5e/0x80 [11766.591452][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.591452][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.591452][ T7704] ip6_route_add+0x1c/0x140 [11766.591452][ T7704] addrconf_prefix_route+0x2a6/0x430 [11766.591452][ T7704] inet6_addr_add+0x4f8/0xa40 [11766.591452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.591452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.591452][ T7704] netlink_rcv_skb+0x130/0x360 [11766.591452][ T7704] netlink_unicast+0x449/0x710 [11766.591452][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.591452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.591452][ T7704] ___sys_sendmsg+0xee/0x170 [11766.591452][ T7704] __sys_sendmsg+0xcd/0x170 [11766.591452][ T7704] do_syscall_64+0xc6/0x1e0 [11766.591452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.591452][ T7704] [11766.593792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11766.593792][ T7704] netdev_get_by_index+0x5e/0x80 [11766.593792][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.593792][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.593792][ T7704] addrconf_f6i_alloc+0x315/0x560 [11766.593792][ T7704] ipv6_add_addr+0x411/0x2000 [11766.593792][ T7704] inet6_addr_add+0x30e/0xa40 [11766.593792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.593792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.593792][ T7704] netlink_rcv_skb+0x130/0x360 [11766.593792][ T7704] netlink_unicast+0x449/0x710 [11766.593792][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.593792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.593792][ T7704] ___sys_sendmsg+0xee/0x170 [11766.593792][ T7704] __sys_sendmsg+0xcd/0x170 [11766.593792][ T7704] do_syscall_64+0xc6/0x1e0 [11766.593792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.593792][ T7704] [11766.596128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11766.596128][ T7704] netdev_get_by_index+0x5e/0x80 [11766.596128][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.596128][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.596128][ T7704] ip6_route_add+0x1c/0x140 [11766.596128][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11766.596128][ T7704] addrconf_add_dev+0xe2/0x170 [11766.596128][ T7704] inet6_addr_add+0x12f/0xa40 [11766.596128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.596128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.596128][ T7704] netlink_rcv_skb+0x130/0x360 [11766.596128][ T7704] netlink_unicast+0x449/0x710 [11766.596128][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.596128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.596128][ T7704] ___sys_sendmsg+0xee/0x170 [11766.596128][ T7704] __sys_sendmsg+0xcd/0x170 [11766.596128][ T7704] do_syscall_64+0xc6/0x1e0 [11766.596128][ T7704] [11766.598406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11766.598406][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11766.598406][ T7704] ipv6_find_idev+0x102/0x170 [11766.598406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11766.598406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.598406][ T7704] netlink_rcv_skb+0x130/0x360 [11766.598406][ T7704] netlink_unicast+0x449/0x710 [11766.598406][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.598406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.598406][ T7704] ___sys_sendmsg+0xee/0x170 [11766.598406][ T7704] __sys_sendmsg+0xcd/0x170 [11766.598406][ T7704] do_syscall_64+0xc6/0x1e0 [11766.598406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.598406][ T7704] [11766.600183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11766.600183][ T7704] neigh_parms_alloc+0x1e5/0x510 [11766.600183][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11766.600183][ T7704] ipv6_find_idev+0x102/0x170 [11766.600183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11766.600183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.600183][ T7704] netlink_rcv_skb+0x130/0x360 [11766.600183][ T7704] netlink_unicast+0x449/0x710 [11766.600183][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.600183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.600183][ T7704] ___sys_sendmsg+0xee/0x170 [11766.600183][ T7704] __sys_sendmsg+0xcd/0x170 [11766.600183][ T7704] do_syscall_64+0xc6/0x1e0 [11766.600183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.600183][ T7704] [11776.854879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11776.855379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11776.855379][ T7704] netdev_get_by_index+0x5e/0x80 [11776.855379][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.855379][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.855379][ T7704] ip6_route_add+0x1c/0x140 [11776.855379][ T7704] addrconf_prefix_route+0x2a6/0x430 [11776.855379][ T7704] inet6_addr_add+0x4f8/0xa40 [11776.855379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.855379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.855379][ T7704] netlink_rcv_skb+0x130/0x360 [11776.855379][ T7704] netlink_unicast+0x449/0x710 [11776.855379][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.855379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.855379][ T7704] ___sys_sendmsg+0xee/0x170 [11776.855379][ T7704] __sys_sendmsg+0xcd/0x170 [11776.855379][ T7704] do_syscall_64+0xc6/0x1e0 [11776.855379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.855379][ T7704] [11776.857719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11776.857719][ T7704] netdev_get_by_index+0x5e/0x80 [11776.857719][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.857719][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.857719][ T7704] addrconf_f6i_alloc+0x315/0x560 [11776.857719][ T7704] ipv6_add_addr+0x411/0x2000 [11776.857719][ T7704] inet6_addr_add+0x30e/0xa40 [11776.857719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.857719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.857719][ T7704] netlink_rcv_skb+0x130/0x360 [11776.857719][ T7704] netlink_unicast+0x449/0x710 [11776.857719][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.857719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.857719][ T7704] ___sys_sendmsg+0xee/0x170 [11776.857719][ T7704] __sys_sendmsg+0xcd/0x170 [11776.857719][ T7704] do_syscall_64+0xc6/0x1e0 [11776.857719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.857719][ T7704] [11776.860028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11776.860028][ T7704] netdev_get_by_index+0x5e/0x80 [11776.860028][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.860028][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.860028][ T7704] ip6_route_add+0x1c/0x140 [11776.860028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11776.860028][ T7704] addrconf_add_dev+0xe2/0x170 [11776.860028][ T7704] inet6_addr_add+0x12f/0xa40 [11776.860028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.860028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.860028][ T7704] netlink_rcv_skb+0x130/0x360 [11776.860028][ T7704] netlink_unicast+0x449/0x710 [11776.860028][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.860028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.860028][ T7704] ___sys_sendmsg+0xee/0x170 [11776.860028][ T7704] __sys_sendmsg+0xcd/0x170 [11776.860028][ T7704] do_syscall_64+0xc6/0x1e0 [11776.860028][ T7704] [11776.862300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11776.862300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11776.862300][ T7704] ipv6_find_idev+0x102/0x170 [11776.862300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11776.862300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.862300][ T7704] netlink_rcv_skb+0x130/0x360 [11776.862300][ T7704] netlink_unicast+0x449/0x710 [11776.862300][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.862300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.862300][ T7704] ___sys_sendmsg+0xee/0x170 [11776.862300][ T7704] __sys_sendmsg+0xcd/0x170 [11776.862300][ T7704] do_syscall_64+0xc6/0x1e0 [11776.862300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.862300][ T7704] [11776.864091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11776.864091][ T7704] neigh_parms_alloc+0x1e5/0x510 [11776.864091][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11776.864091][ T7704] ipv6_find_idev+0x102/0x170 [11776.864091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11776.864091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.864091][ T7704] netlink_rcv_skb+0x130/0x360 [11776.864091][ T7704] netlink_unicast+0x449/0x710 [11776.864091][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.864091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.864091][ T7704] ___sys_sendmsg+0xee/0x170 [11776.864091][ T7704] __sys_sendmsg+0xcd/0x170 [11776.864091][ T7704] do_syscall_64+0xc6/0x1e0 [11776.864091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.864091][ T7704] [11787.110905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11787.111357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11787.111357][ T7704] netdev_get_by_index+0x5e/0x80 [11787.111357][ T7704] fib6_nh_init+0x3d8/0x15b0 [11787.111357][ T7704] ip6_route_info_create+0xf18/0x17d0 [11787.111357][ T7704] ip6_route_add+0x1c/0x140 [11787.111357][ T7704] addrconf_prefix_route+0x2a6/0x430 [11787.111357][ T7704] inet6_addr_add+0x4f8/0xa40 [11787.111357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11787.111357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11787.111357][ T7704] netlink_rcv_skb+0x130/0x360 [11787.111357][ T7704] netlink_unicast+0x449/0x710 [11787.111357][ T7704] netlink_sendmsg+0x723/0xbe0 [11787.111357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11787.111357][ T7704] ___sys_sendmsg+0xee/0x170 [11787.111357][ T7704] __sys_sendmsg+0xcd/0x170 [11787.111357][ T7704] do_syscall_64+0xc6/0x1e0 [11787.111357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11787.111357][ T7704] [11787.113704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11787.113704][ T7704] netdev_get_by_index+0x5e/0x80 [11787.113704][ T7704] fib6_nh_init+0x3d8/0x15b0 [11787.113704][ T7704] ip6_route_info_create+0xf18/0x17d0 [11787.113704][ T7704] addrconf_f6i_alloc+0x315/0x560 [11787.113704][ T7704] ipv6_add_addr+0x411/0x2000 [11787.113704][ T7704] inet6_addr_add+0x30e/0xa40 [11787.113704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11787.113704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11787.113704][ T7704] netlink_rcv_skb+0x130/0x360 [11787.113704][ T7704] netlink_unicast+0x449/0x710 [11787.113704][ T7704] netlink_sendmsg+0x723/0xbe0 [11787.113704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11787.113704][ T7704] ___sys_sendmsg+0xee/0x170 [11787.113704][ T7704] __sys_sendmsg+0xcd/0x170 [11787.113704][ T7704] do_syscall_64+0xc6/0x1e0 [11787.113704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11787.113704][ T7704] [11787.116041][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11787.116041][ T7704] netdev_get_by_index+0x5e/0x80 [11787.116041][ T7704] fib6_nh_init+0x3d8/0x15b0 [11787.116041][ T7704] ip6_route_info_create+0xf18/0x17d0 [11787.116041][ T7704] ip6_route_add+0x1c/0x140 [11787.116041][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11787.116041][ T7704] addrconf_add_dev+0xe2/0x170 [11787.116041][ T7704] inet6_addr_add+0x12f/0xa40 [11787.116041][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11787.116041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11787.116041][ T7704] netlink_rcv_skb+0x130/0x360 [11787.116041][ T7704] netlink_unicast+0x449/0x710 [11787.116041][ T7704] netlink_sendmsg+0x723/0xbe0 [11787.116041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11787.116041][ T7704] ___sys_sendmsg+0xee/0x170 [11787.116041][ T7704] __sys_sendmsg+0xcd/0x170 [11787.116041][ T7704] do_syscall_64+0xc6/0x1e0 [11787.116041][ T7704] [11787.118339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11787.118339][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11787.118339][ T7704] ipv6_find_idev+0x102/0x170 [11787.118339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11787.118339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11787.118339][ T7704] netlink_rcv_skb+0x130/0x360 [11787.118339][ T7704] netlink_unicast+0x449/0x710 [11787.118339][ T7704] netlink_sendmsg+0x723/0xbe0 [11787.118339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11787.118339][ T7704] ___sys_sendmsg+0xee/0x170 [11787.118339][ T7704] __sys_sendmsg+0xcd/0x170 [11787.118339][ T7704] do_syscall_64+0xc6/0x1e0 [11787.118339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11787.118339][ T7704] [11787.120136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11787.120136][ T7704] neigh_parms_alloc+0x1e5/0x510 [11787.120136][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11787.120136][ T7704] ipv6_find_idev+0x102/0x170 [11787.120136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11787.120136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11787.120136][ T7704] netlink_rcv_skb+0x130/0x360 [11787.120136][ T7704] netlink_unicast+0x449/0x710 [11787.120136][ T7704] netlink_sendmsg+0x723/0xbe0 [11787.120136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11787.120136][ T7704] ___sys_sendmsg+0xee/0x170 [11787.120136][ T7704] __sys_sendmsg+0xcd/0x170 [11787.120136][ T7704] do_syscall_64+0xc6/0x1e0 [11787.120136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11787.120136][ T7704] [11797.270950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11797.271448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11797.271448][ T7704] netdev_get_by_index+0x5e/0x80 [11797.271448][ T7704] fib6_nh_init+0x3d8/0x15b0 [11797.271448][ T7704] ip6_route_info_create+0xf18/0x17d0 [11797.271448][ T7704] ip6_route_add+0x1c/0x140 [11797.271448][ T7704] addrconf_prefix_route+0x2a6/0x430 [11797.271448][ T7704] inet6_addr_add+0x4f8/0xa40 [11797.271448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11797.271448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11797.271448][ T7704] netlink_rcv_skb+0x130/0x360 [11797.271448][ T7704] netlink_unicast+0x449/0x710 [11797.271448][ T7704] netlink_sendmsg+0x723/0xbe0 [11797.271448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11797.271448][ T7704] ___sys_sendmsg+0xee/0x170 [11797.271448][ T7704] __sys_sendmsg+0xcd/0x170 [11797.271448][ T7704] do_syscall_64+0xc6/0x1e0 [11797.271448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11797.271448][ T7704] [11797.273777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11797.273777][ T7704] netdev_get_by_index+0x5e/0x80 [11797.273777][ T7704] fib6_nh_init+0x3d8/0x15b0 [11797.273777][ T7704] ip6_route_info_create+0xf18/0x17d0 [11797.273777][ T7704] addrconf_f6i_alloc+0x315/0x560 [11797.273777][ T7704] ipv6_add_addr+0x411/0x2000 [11797.273777][ T7704] inet6_addr_add+0x30e/0xa40 [11797.273777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11797.273777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11797.273777][ T7704] netlink_rcv_skb+0x130/0x360 [11797.273777][ T7704] netlink_unicast+0x449/0x710 [11797.273777][ T7704] netlink_sendmsg+0x723/0xbe0 [11797.273777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11797.273777][ T7704] ___sys_sendmsg+0xee/0x170 [11797.273777][ T7704] __sys_sendmsg+0xcd/0x170 [11797.273777][ T7704] do_syscall_64+0xc6/0x1e0 [11797.273777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11797.273777][ T7704] [11797.276156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11797.276156][ T7704] netdev_get_by_index+0x5e/0x80 [11797.276156][ T7704] fib6_nh_init+0x3d8/0x15b0 [11797.276156][ T7704] ip6_route_info_create+0xf18/0x17d0 [11797.276156][ T7704] ip6_route_add+0x1c/0x140 [11797.276156][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11797.276156][ T7704] addrconf_add_dev+0xe2/0x170 [11797.276156][ T7704] inet6_addr_add+0x12f/0xa40 [11797.276156][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11797.276156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11797.276156][ T7704] netlink_rcv_skb+0x130/0x360 [11797.276156][ T7704] netlink_unicast+0x449/0x710 [11797.276156][ T7704] netlink_sendmsg+0x723/0xbe0 [11797.276156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11797.276156][ T7704] ___sys_sendmsg+0xee/0x170 [11797.276156][ T7704] __sys_sendmsg+0xcd/0x170 [11797.276156][ T7704] do_syscall_64+0xc6/0x1e0 [11797.276156][ T7704] [11797.278339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11797.278339][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11797.278339][ T7704] ipv6_find_idev+0x102/0x170 [11797.278339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11797.278339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11797.278339][ T7704] netlink_rcv_skb+0x130/0x360 [11797.278339][ T7704] netlink_unicast+0x449/0x710 [11797.278339][ T7704] netlink_sendmsg+0x723/0xbe0 [11797.278339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11797.278339][ T7704] ___sys_sendmsg+0xee/0x170 [11797.278339][ T7704] __sys_sendmsg+0xcd/0x170 [11797.278339][ T7704] do_syscall_64+0xc6/0x1e0 [11797.278339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11797.278339][ T7704] [11797.280038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11797.280038][ T7704] neigh_parms_alloc+0x1e5/0x510 [11797.280038][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11797.280038][ T7704] ipv6_find_idev+0x102/0x170 [11797.280038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11797.280038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11797.280038][ T7704] netlink_rcv_skb+0x130/0x360 [11797.280038][ T7704] netlink_unicast+0x449/0x710 [11797.280038][ T7704] netlink_sendmsg+0x723/0xbe0 [11797.280038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11797.280038][ T7704] ___sys_sendmsg+0xee/0x170 [11797.280038][ T7704] __sys_sendmsg+0xcd/0x170 [11797.280038][ T7704] do_syscall_64+0xc6/0x1e0 [11797.280038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11797.280038][ T7704] [11807.366898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11807.367335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11807.367335][ T7704] netdev_get_by_index+0x5e/0x80 [11807.367335][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.367335][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.367335][ T7704] ip6_route_add+0x1c/0x140 [11807.367335][ T7704] addrconf_prefix_route+0x2a6/0x430 [11807.367335][ T7704] inet6_addr_add+0x4f8/0xa40 [11807.367335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.367335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.367335][ T7704] netlink_rcv_skb+0x130/0x360 [11807.367335][ T7704] netlink_unicast+0x449/0x710 [11807.367335][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.367335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.367335][ T7704] ___sys_sendmsg+0xee/0x170 [11807.367335][ T7704] __sys_sendmsg+0xcd/0x170 [11807.367335][ T7704] do_syscall_64+0xc6/0x1e0 [11807.367335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.367335][ T7704] [11807.369775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11807.369775][ T7704] netdev_get_by_index+0x5e/0x80 [11807.369775][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.369775][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.369775][ T7704] addrconf_f6i_alloc+0x315/0x560 [11807.369775][ T7704] ipv6_add_addr+0x411/0x2000 [11807.369775][ T7704] inet6_addr_add+0x30e/0xa40 [11807.369775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.369775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.369775][ T7704] netlink_rcv_skb+0x130/0x360 [11807.369775][ T7704] netlink_unicast+0x449/0x710 [11807.369775][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.369775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.369775][ T7704] ___sys_sendmsg+0xee/0x170 [11807.369775][ T7704] __sys_sendmsg+0xcd/0x170 [11807.369775][ T7704] do_syscall_64+0xc6/0x1e0 [11807.369775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.369775][ T7704] [11807.372165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11807.372165][ T7704] netdev_get_by_index+0x5e/0x80 [11807.372165][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.372165][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.372165][ T7704] ip6_route_add+0x1c/0x140 [11807.372165][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11807.372165][ T7704] addrconf_add_dev+0xe2/0x170 [11807.372165][ T7704] inet6_addr_add+0x12f/0xa40 [11807.372165][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.372165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.372165][ T7704] netlink_rcv_skb+0x130/0x360 [11807.372165][ T7704] netlink_unicast+0x449/0x710 [11807.372165][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.372165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.372165][ T7704] ___sys_sendmsg+0xee/0x170 [11807.372165][ T7704] __sys_sendmsg+0xcd/0x170 [11807.372165][ T7704] do_syscall_64+0xc6/0x1e0 [11807.372165][ T7704] [11807.374422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11807.374422][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11807.374422][ T7704] ipv6_find_idev+0x102/0x170 [11807.374422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11807.374422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.374422][ T7704] netlink_rcv_skb+0x130/0x360 [11807.374422][ T7704] netlink_unicast+0x449/0x710 [11807.374422][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.374422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.374422][ T7704] ___sys_sendmsg+0xee/0x170 [11807.374422][ T7704] __sys_sendmsg+0xcd/0x170 [11807.374422][ T7704] do_syscall_64+0xc6/0x1e0 [11807.374422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.374422][ T7704] [11807.376325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11807.376325][ T7704] neigh_parms_alloc+0x1e5/0x510 [11807.376325][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11807.376325][ T7704] ipv6_find_idev+0x102/0x170 [11807.376325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11807.376325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.376325][ T7704] netlink_rcv_skb+0x130/0x360 [11807.376325][ T7704] netlink_unicast+0x449/0x710 [11807.376325][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.376325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.376325][ T7704] ___sys_sendmsg+0xee/0x170 [11807.376325][ T7704] __sys_sendmsg+0xcd/0x170 [11807.376325][ T7704] do_syscall_64+0xc6/0x1e0 [11807.376325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.376325][ T7704] [11817.614905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11817.615333][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11817.615333][ T7704] netdev_get_by_index+0x5e/0x80 [11817.615333][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.615333][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.615333][ T7704] ip6_route_add+0x1c/0x140 [11817.615333][ T7704] addrconf_prefix_route+0x2a6/0x430 [11817.615333][ T7704] inet6_addr_add+0x4f8/0xa40 [11817.615333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.615333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.615333][ T7704] netlink_rcv_skb+0x130/0x360 [11817.615333][ T7704] netlink_unicast+0x449/0x710 [11817.615333][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.615333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.615333][ T7704] ___sys_sendmsg+0xee/0x170 [11817.615333][ T7704] __sys_sendmsg+0xcd/0x170 [11817.615333][ T7704] do_syscall_64+0xc6/0x1e0 [11817.615333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.615333][ T7704] [11817.617582][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11817.617582][ T7704] netdev_get_by_index+0x5e/0x80 [11817.617582][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.617582][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.617582][ T7704] addrconf_f6i_alloc+0x315/0x560 [11817.617582][ T7704] ipv6_add_addr+0x411/0x2000 [11817.617582][ T7704] inet6_addr_add+0x30e/0xa40 [11817.617582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.617582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.617582][ T7704] netlink_rcv_skb+0x130/0x360 [11817.617582][ T7704] netlink_unicast+0x449/0x710 [11817.617582][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.617582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.617582][ T7704] ___sys_sendmsg+0xee/0x170 [11817.617582][ T7704] __sys_sendmsg+0xcd/0x170 [11817.617582][ T7704] do_syscall_64+0xc6/0x1e0 [11817.617582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.617582][ T7704] [11817.619804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11817.619804][ T7704] netdev_get_by_index+0x5e/0x80 [11817.619804][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.619804][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.619804][ T7704] ip6_route_add+0x1c/0x140 [11817.619804][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11817.619804][ T7704] addrconf_add_dev+0xe2/0x170 [11817.619804][ T7704] inet6_addr_add+0x12f/0xa40 [11817.619804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.619804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.619804][ T7704] netlink_rcv_skb+0x130/0x360 [11817.619804][ T7704] netlink_unicast+0x449/0x710 [11817.619804][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.619804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.619804][ T7704] ___sys_sendmsg+0xee/0x170 [11817.619804][ T7704] __sys_sendmsg+0xcd/0x170 [11817.619804][ T7704] do_syscall_64+0xc6/0x1e0 [11817.619804][ T7704] [11817.621987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11817.621987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11817.621987][ T7704] ipv6_find_idev+0x102/0x170 [11817.621987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11817.621987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.621987][ T7704] netlink_rcv_skb+0x130/0x360 [11817.621987][ T7704] netlink_unicast+0x449/0x710 [11817.621987][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.621987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.621987][ T7704] ___sys_sendmsg+0xee/0x170 [11817.621987][ T7704] __sys_sendmsg+0xcd/0x170 [11817.621987][ T7704] do_syscall_64+0xc6/0x1e0 [11817.621987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.621987][ T7704] [11817.623710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11817.623710][ T7704] neigh_parms_alloc+0x1e5/0x510 [11817.623710][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11817.623710][ T7704] ipv6_find_idev+0x102/0x170 [11817.623710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11817.623710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.623710][ T7704] netlink_rcv_skb+0x130/0x360 [11817.623710][ T7704] netlink_unicast+0x449/0x710 [11817.623710][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.623710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.623710][ T7704] ___sys_sendmsg+0xee/0x170 [11817.623710][ T7704] __sys_sendmsg+0xcd/0x170 [11817.623710][ T7704] do_syscall_64+0xc6/0x1e0 [11817.623710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.623710][ T7704] [11827.862882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11827.863319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11827.863319][ T7704] netdev_get_by_index+0x5e/0x80 [11827.863319][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.863319][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.863319][ T7704] ip6_route_add+0x1c/0x140 [11827.863319][ T7704] addrconf_prefix_route+0x2a6/0x430 [11827.863319][ T7704] inet6_addr_add+0x4f8/0xa40 [11827.863319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.863319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.863319][ T7704] netlink_rcv_skb+0x130/0x360 [11827.863319][ T7704] netlink_unicast+0x449/0x710 [11827.863319][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.863319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.863319][ T7704] ___sys_sendmsg+0xee/0x170 [11827.863319][ T7704] __sys_sendmsg+0xcd/0x170 [11827.863319][ T7704] do_syscall_64+0xc6/0x1e0 [11827.863319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.863319][ T7704] [11827.865599][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11827.865599][ T7704] netdev_get_by_index+0x5e/0x80 [11827.865599][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.865599][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.865599][ T7704] addrconf_f6i_alloc+0x315/0x560 [11827.865599][ T7704] ipv6_add_addr+0x411/0x2000 [11827.865599][ T7704] inet6_addr_add+0x30e/0xa40 [11827.865599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.865599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.865599][ T7704] netlink_rcv_skb+0x130/0x360 [11827.865599][ T7704] netlink_unicast+0x449/0x710 [11827.865599][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.865599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.865599][ T7704] ___sys_sendmsg+0xee/0x170 [11827.865599][ T7704] __sys_sendmsg+0xcd/0x170 [11827.865599][ T7704] do_syscall_64+0xc6/0x1e0 [11827.865599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.865599][ T7704] [11827.867854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11827.867854][ T7704] netdev_get_by_index+0x5e/0x80 [11827.867854][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.867854][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.867854][ T7704] ip6_route_add+0x1c/0x140 [11827.867854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11827.867854][ T7704] addrconf_add_dev+0xe2/0x170 [11827.867854][ T7704] inet6_addr_add+0x12f/0xa40 [11827.867854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.867854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.867854][ T7704] netlink_rcv_skb+0x130/0x360 [11827.867854][ T7704] netlink_unicast+0x449/0x710 [11827.867854][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.867854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.867854][ T7704] ___sys_sendmsg+0xee/0x170 [11827.867854][ T7704] __sys_sendmsg+0xcd/0x170 [11827.867854][ T7704] do_syscall_64+0xc6/0x1e0 [11827.867854][ T7704] [11827.870061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11827.870061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11827.870061][ T7704] ipv6_find_idev+0x102/0x170 [11827.870061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11827.870061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.870061][ T7704] netlink_rcv_skb+0x130/0x360 [11827.870061][ T7704] netlink_unicast+0x449/0x710 [11827.870061][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.870061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.870061][ T7704] ___sys_sendmsg+0xee/0x170 [11827.870061][ T7704] __sys_sendmsg+0xcd/0x170 [11827.870061][ T7704] do_syscall_64+0xc6/0x1e0 [11827.870061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.870061][ T7704] [11827.871931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11827.871931][ T7704] neigh_parms_alloc+0x1e5/0x510 [11827.871931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11827.871931][ T7704] ipv6_find_idev+0x102/0x170 [11827.871931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11827.871931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.871931][ T7704] netlink_rcv_skb+0x130/0x360 [11827.871931][ T7704] netlink_unicast+0x449/0x710 [11827.871931][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.871931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.871931][ T7704] ___sys_sendmsg+0xee/0x170 [11827.871931][ T7704] __sys_sendmsg+0xcd/0x170 [11827.871931][ T7704] do_syscall_64+0xc6/0x1e0 [11827.871931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.871931][ T7704] [11838.110958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11838.111407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11838.111407][ T7704] netdev_get_by_index+0x5e/0x80 [11838.111407][ T7704] fib6_nh_init+0x3d8/0x15b0 [11838.111407][ T7704] ip6_route_info_create+0xf18/0x17d0 [11838.111407][ T7704] ip6_route_add+0x1c/0x140 [11838.111407][ T7704] addrconf_prefix_route+0x2a6/0x430 [11838.111407][ T7704] inet6_addr_add+0x4f8/0xa40 [11838.111407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11838.111407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11838.111407][ T7704] netlink_rcv_skb+0x130/0x360 [11838.111407][ T7704] netlink_unicast+0x449/0x710 [11838.111407][ T7704] netlink_sendmsg+0x723/0xbe0 [11838.111407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11838.111407][ T7704] ___sys_sendmsg+0xee/0x170 [11838.111407][ T7704] __sys_sendmsg+0xcd/0x170 [11838.111407][ T7704] do_syscall_64+0xc6/0x1e0 [11838.111407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11838.111407][ T7704] [11838.113652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11838.113652][ T7704] netdev_get_by_index+0x5e/0x80 [11838.113652][ T7704] fib6_nh_init+0x3d8/0x15b0 [11838.113652][ T7704] ip6_route_info_create+0xf18/0x17d0 [11838.113652][ T7704] addrconf_f6i_alloc+0x315/0x560 [11838.113652][ T7704] ipv6_add_addr+0x411/0x2000 [11838.113652][ T7704] inet6_addr_add+0x30e/0xa40 [11838.113652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11838.113652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11838.113652][ T7704] netlink_rcv_skb+0x130/0x360 [11838.113652][ T7704] netlink_unicast+0x449/0x710 [11838.113652][ T7704] netlink_sendmsg+0x723/0xbe0 [11838.113652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11838.113652][ T7704] ___sys_sendmsg+0xee/0x170 [11838.113652][ T7704] __sys_sendmsg+0xcd/0x170 [11838.113652][ T7704] do_syscall_64+0xc6/0x1e0 [11838.113652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11838.113652][ T7704] [11838.115890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11838.115890][ T7704] netdev_get_by_index+0x5e/0x80 [11838.115890][ T7704] fib6_nh_init+0x3d8/0x15b0 [11838.115890][ T7704] ip6_route_info_create+0xf18/0x17d0 [11838.115890][ T7704] ip6_route_add+0x1c/0x140 [11838.115890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11838.115890][ T7704] addrconf_add_dev+0xe2/0x170 [11838.115890][ T7704] inet6_addr_add+0x12f/0xa40 [11838.115890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11838.115890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11838.115890][ T7704] netlink_rcv_skb+0x130/0x360 [11838.115890][ T7704] netlink_unicast+0x449/0x710 [11838.115890][ T7704] netlink_sendmsg+0x723/0xbe0 [11838.115890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11838.115890][ T7704] ___sys_sendmsg+0xee/0x170 [11838.115890][ T7704] __sys_sendmsg+0xcd/0x170 [11838.115890][ T7704] do_syscall_64+0xc6/0x1e0 [11838.115890][ T7704] [11838.118076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11838.118076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11838.118076][ T7704] ipv6_find_idev+0x102/0x170 [11838.118076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11838.118076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11838.118076][ T7704] netlink_rcv_skb+0x130/0x360 [11838.118076][ T7704] netlink_unicast+0x449/0x710 [11838.118076][ T7704] netlink_sendmsg+0x723/0xbe0 [11838.118076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11838.118076][ T7704] ___sys_sendmsg+0xee/0x170 [11838.118076][ T7704] __sys_sendmsg+0xcd/0x170 [11838.118076][ T7704] do_syscall_64+0xc6/0x1e0 [11838.118076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11838.118076][ T7704] [11838.119788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11838.119788][ T7704] neigh_parms_alloc+0x1e5/0x510 [11838.119788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11838.119788][ T7704] ipv6_find_idev+0x102/0x170 [11838.119788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11838.119788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11838.119788][ T7704] netlink_rcv_skb+0x130/0x360 [11838.119788][ T7704] netlink_unicast+0x449/0x710 [11838.119788][ T7704] netlink_sendmsg+0x723/0xbe0 [11838.119788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11838.119788][ T7704] ___sys_sendmsg+0xee/0x170 [11838.119788][ T7704] __sys_sendmsg+0xcd/0x170 [11838.119788][ T7704] do_syscall_64+0xc6/0x1e0 [11838.119788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11838.119788][ T7704] [11848.358951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11848.359453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11848.359453][ T7704] netdev_get_by_index+0x5e/0x80 [11848.359453][ T7704] fib6_nh_init+0x3d8/0x15b0 [11848.359453][ T7704] ip6_route_info_create+0xf18/0x17d0 [11848.359453][ T7704] ip6_route_add+0x1c/0x140 [11848.359453][ T7704] addrconf_prefix_route+0x2a6/0x430 [11848.359453][ T7704] inet6_addr_add+0x4f8/0xa40 [11848.359453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11848.359453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11848.359453][ T7704] netlink_rcv_skb+0x130/0x360 [11848.359453][ T7704] netlink_unicast+0x449/0x710 [11848.359453][ T7704] netlink_sendmsg+0x723/0xbe0 [11848.359453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11848.359453][ T7704] ___sys_sendmsg+0xee/0x170 [11848.359453][ T7704] __sys_sendmsg+0xcd/0x170 [11848.359453][ T7704] do_syscall_64+0xc6/0x1e0 [11848.359453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11848.359453][ T7704] [11848.361704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11848.361704][ T7704] netdev_get_by_index+0x5e/0x80 [11848.361704][ T7704] fib6_nh_init+0x3d8/0x15b0 [11848.361704][ T7704] ip6_route_info_create+0xf18/0x17d0 [11848.361704][ T7704] addrconf_f6i_alloc+0x315/0x560 [11848.361704][ T7704] ipv6_add_addr+0x411/0x2000 [11848.361704][ T7704] inet6_addr_add+0x30e/0xa40 [11848.361704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11848.361704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11848.361704][ T7704] netlink_rcv_skb+0x130/0x360 [11848.361704][ T7704] netlink_unicast+0x449/0x710 [11848.361704][ T7704] netlink_sendmsg+0x723/0xbe0 [11848.361704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11848.361704][ T7704] ___sys_sendmsg+0xee/0x170 [11848.361704][ T7704] __sys_sendmsg+0xcd/0x170 [11848.361704][ T7704] do_syscall_64+0xc6/0x1e0 [11848.361704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11848.361704][ T7704] [11848.363945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11848.363945][ T7704] netdev_get_by_index+0x5e/0x80 [11848.363945][ T7704] fib6_nh_init+0x3d8/0x15b0 [11848.363945][ T7704] ip6_route_info_create+0xf18/0x17d0 [11848.363945][ T7704] ip6_route_add+0x1c/0x140 [11848.363945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11848.363945][ T7704] addrconf_add_dev+0xe2/0x170 [11848.363945][ T7704] inet6_addr_add+0x12f/0xa40 [11848.363945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11848.363945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11848.363945][ T7704] netlink_rcv_skb+0x130/0x360 [11848.363945][ T7704] netlink_unicast+0x449/0x710 [11848.363945][ T7704] netlink_sendmsg+0x723/0xbe0 [11848.363945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11848.363945][ T7704] ___sys_sendmsg+0xee/0x170 [11848.363945][ T7704] __sys_sendmsg+0xcd/0x170 [11848.363945][ T7704] do_syscall_64+0xc6/0x1e0 [11848.363945][ T7704] [11848.366149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11848.366149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11848.366149][ T7704] ipv6_find_idev+0x102/0x170 [11848.366149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11848.366149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11848.366149][ T7704] netlink_rcv_skb+0x130/0x360 [11848.366149][ T7704] netlink_unicast+0x449/0x710 [11848.366149][ T7704] netlink_sendmsg+0x723/0xbe0 [11848.366149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11848.366149][ T7704] ___sys_sendmsg+0xee/0x170 [11848.366149][ T7704] __sys_sendmsg+0xcd/0x170 [11848.366149][ T7704] do_syscall_64+0xc6/0x1e0 [11848.366149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11848.366149][ T7704] [11848.367867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11848.367867][ T7704] neigh_parms_alloc+0x1e5/0x510 [11848.367867][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11848.367867][ T7704] ipv6_find_idev+0x102/0x170 [11848.367867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11848.367867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11848.367867][ T7704] netlink_rcv_skb+0x130/0x360 [11848.367867][ T7704] netlink_unicast+0x449/0x710 [11848.367867][ T7704] netlink_sendmsg+0x723/0xbe0 [11848.367867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11848.367867][ T7704] ___sys_sendmsg+0xee/0x170 [11848.367867][ T7704] __sys_sendmsg+0xcd/0x170 [11848.367867][ T7704] do_syscall_64+0xc6/0x1e0 [11848.367867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11848.367867][ T7704] [11858.502975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11858.503483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11858.503483][ T7704] netdev_get_by_index+0x5e/0x80 [11858.503483][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.503483][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.503483][ T7704] ip6_route_add+0x1c/0x140 [11858.503483][ T7704] addrconf_prefix_route+0x2a6/0x430 [11858.503483][ T7704] inet6_addr_add+0x4f8/0xa40 [11858.503483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.503483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.503483][ T7704] netlink_rcv_skb+0x130/0x360 [11858.503483][ T7704] netlink_unicast+0x449/0x710 [11858.503483][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.503483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.503483][ T7704] ___sys_sendmsg+0xee/0x170 [11858.503483][ T7704] __sys_sendmsg+0xcd/0x170 [11858.503483][ T7704] do_syscall_64+0xc6/0x1e0 [11858.503483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.503483][ T7704] [11858.505759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11858.505759][ T7704] netdev_get_by_index+0x5e/0x80 [11858.505759][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.505759][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.505759][ T7704] addrconf_f6i_alloc+0x315/0x560 [11858.505759][ T7704] ipv6_add_addr+0x411/0x2000 [11858.505759][ T7704] inet6_addr_add+0x30e/0xa40 [11858.505759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.505759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.505759][ T7704] netlink_rcv_skb+0x130/0x360 [11858.505759][ T7704] netlink_unicast+0x449/0x710 [11858.505759][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.505759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.505759][ T7704] ___sys_sendmsg+0xee/0x170 [11858.505759][ T7704] __sys_sendmsg+0xcd/0x170 [11858.505759][ T7704] do_syscall_64+0xc6/0x1e0 [11858.505759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.505759][ T7704] [11858.507995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11858.507995][ T7704] netdev_get_by_index+0x5e/0x80 [11858.507995][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.507995][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.507995][ T7704] ip6_route_add+0x1c/0x140 [11858.507995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11858.507995][ T7704] addrconf_add_dev+0xe2/0x170 [11858.507995][ T7704] inet6_addr_add+0x12f/0xa40 [11858.507995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.507995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.507995][ T7704] netlink_rcv_skb+0x130/0x360 [11858.507995][ T7704] netlink_unicast+0x449/0x710 [11858.507995][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.507995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.507995][ T7704] ___sys_sendmsg+0xee/0x170 [11858.507995][ T7704] __sys_sendmsg+0xcd/0x170 [11858.507995][ T7704] do_syscall_64+0xc6/0x1e0 [11858.507995][ T7704] [11858.510187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11858.510187][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11858.510187][ T7704] ipv6_find_idev+0x102/0x170 [11858.510187][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11858.510187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.510187][ T7704] netlink_rcv_skb+0x130/0x360 [11858.510187][ T7704] netlink_unicast+0x449/0x710 [11858.510187][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.510187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.510187][ T7704] ___sys_sendmsg+0xee/0x170 [11858.510187][ T7704] __sys_sendmsg+0xcd/0x170 [11858.510187][ T7704] do_syscall_64+0xc6/0x1e0 [11858.510187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.510187][ T7704] [11858.511928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11858.511928][ T7704] neigh_parms_alloc+0x1e5/0x510 [11858.511928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11858.511928][ T7704] ipv6_find_idev+0x102/0x170 [11858.511928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11858.511928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.511928][ T7704] netlink_rcv_skb+0x130/0x360 [11858.511928][ T7704] netlink_unicast+0x449/0x710 [11858.511928][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.511928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.511928][ T7704] ___sys_sendmsg+0xee/0x170 [11858.511928][ T7704] __sys_sendmsg+0xcd/0x170 [11858.511928][ T7704] do_syscall_64+0xc6/0x1e0 [11858.511928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.511928][ T7704] [11868.750973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11868.751480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11868.751480][ T7704] netdev_get_by_index+0x5e/0x80 [11868.751480][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.751480][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.751480][ T7704] ip6_route_add+0x1c/0x140 [11868.751480][ T7704] addrconf_prefix_route+0x2a6/0x430 [11868.751480][ T7704] inet6_addr_add+0x4f8/0xa40 [11868.751480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.751480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.751480][ T7704] netlink_rcv_skb+0x130/0x360 [11868.751480][ T7704] netlink_unicast+0x449/0x710 [11868.751480][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.751480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.751480][ T7704] ___sys_sendmsg+0xee/0x170 [11868.751480][ T7704] __sys_sendmsg+0xcd/0x170 [11868.751480][ T7704] do_syscall_64+0xc6/0x1e0 [11868.751480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.751480][ T7704] [11868.753715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11868.753715][ T7704] netdev_get_by_index+0x5e/0x80 [11868.753715][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.753715][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.753715][ T7704] addrconf_f6i_alloc+0x315/0x560 [11868.753715][ T7704] ipv6_add_addr+0x411/0x2000 [11868.753715][ T7704] inet6_addr_add+0x30e/0xa40 [11868.753715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.753715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.753715][ T7704] netlink_rcv_skb+0x130/0x360 [11868.753715][ T7704] netlink_unicast+0x449/0x710 [11868.753715][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.753715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.753715][ T7704] ___sys_sendmsg+0xee/0x170 [11868.753715][ T7704] __sys_sendmsg+0xcd/0x170 [11868.753715][ T7704] do_syscall_64+0xc6/0x1e0 [11868.753715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.753715][ T7704] [11868.755965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11868.755965][ T7704] netdev_get_by_index+0x5e/0x80 [11868.755965][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.755965][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.755965][ T7704] ip6_route_add+0x1c/0x140 [11868.755965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11868.755965][ T7704] addrconf_add_dev+0xe2/0x170 [11868.755965][ T7704] inet6_addr_add+0x12f/0xa40 [11868.755965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.755965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.755965][ T7704] netlink_rcv_skb+0x130/0x360 [11868.755965][ T7704] netlink_unicast+0x449/0x710 [11868.755965][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.755965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.755965][ T7704] ___sys_sendmsg+0xee/0x170 [11868.755965][ T7704] __sys_sendmsg+0xcd/0x170 [11868.755965][ T7704] do_syscall_64+0xc6/0x1e0 [11868.755965][ T7704] [11868.758143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11868.758143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11868.758143][ T7704] ipv6_find_idev+0x102/0x170 [11868.758143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11868.758143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.758143][ T7704] netlink_rcv_skb+0x130/0x360 [11868.758143][ T7704] netlink_unicast+0x449/0x710 [11868.758143][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.758143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.758143][ T7704] ___sys_sendmsg+0xee/0x170 [11868.758143][ T7704] __sys_sendmsg+0xcd/0x170 [11868.758143][ T7704] do_syscall_64+0xc6/0x1e0 [11868.758143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.758143][ T7704] [11868.759851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11868.759851][ T7704] neigh_parms_alloc+0x1e5/0x510 [11868.759851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11868.759851][ T7704] ipv6_find_idev+0x102/0x170 [11868.759851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11868.759851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.759851][ T7704] netlink_rcv_skb+0x130/0x360 [11868.759851][ T7704] netlink_unicast+0x449/0x710 [11868.759851][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.759851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.759851][ T7704] ___sys_sendmsg+0xee/0x170 [11868.759851][ T7704] __sys_sendmsg+0xcd/0x170 [11868.759851][ T7704] do_syscall_64+0xc6/0x1e0 [11868.759851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.759851][ T7704] [11878.998958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11878.999442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11878.999442][ T7704] netdev_get_by_index+0x5e/0x80 [11878.999442][ T7704] fib6_nh_init+0x3d8/0x15b0 [11878.999442][ T7704] ip6_route_info_create+0xf18/0x17d0 [11878.999442][ T7704] ip6_route_add+0x1c/0x140 [11878.999442][ T7704] addrconf_prefix_route+0x2a6/0x430 [11878.999442][ T7704] inet6_addr_add+0x4f8/0xa40 [11878.999442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11878.999442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.999442][ T7704] netlink_rcv_skb+0x130/0x360 [11878.999442][ T7704] netlink_unicast+0x449/0x710 [11878.999442][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.999442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.999442][ T7704] ___sys_sendmsg+0xee/0x170 [11878.999442][ T7704] __sys_sendmsg+0xcd/0x170 [11878.999442][ T7704] do_syscall_64+0xc6/0x1e0 [11878.999442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11878.999442][ T7704] [11879.001691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11879.001691][ T7704] netdev_get_by_index+0x5e/0x80 [11879.001691][ T7704] fib6_nh_init+0x3d8/0x15b0 [11879.001691][ T7704] ip6_route_info_create+0xf18/0x17d0 [11879.001691][ T7704] addrconf_f6i_alloc+0x315/0x560 [11879.001691][ T7704] ipv6_add_addr+0x411/0x2000 [11879.001691][ T7704] inet6_addr_add+0x30e/0xa40 [11879.001691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11879.001691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11879.001691][ T7704] netlink_rcv_skb+0x130/0x360 [11879.001691][ T7704] netlink_unicast+0x449/0x710 [11879.001691][ T7704] netlink_sendmsg+0x723/0xbe0 [11879.001691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11879.001691][ T7704] ___sys_sendmsg+0xee/0x170 [11879.001691][ T7704] __sys_sendmsg+0xcd/0x170 [11879.001691][ T7704] do_syscall_64+0xc6/0x1e0 [11879.001691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11879.001691][ T7704] [11879.003981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11879.003981][ T7704] netdev_get_by_index+0x5e/0x80 [11879.003981][ T7704] fib6_nh_init+0x3d8/0x15b0 [11879.003981][ T7704] ip6_route_info_create+0xf18/0x17d0 [11879.003981][ T7704] ip6_route_add+0x1c/0x140 [11879.003981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11879.003981][ T7704] addrconf_add_dev+0xe2/0x170 [11879.003981][ T7704] inet6_addr_add+0x12f/0xa40 [11879.003981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11879.003981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11879.003981][ T7704] netlink_rcv_skb+0x130/0x360 [11879.003981][ T7704] netlink_unicast+0x449/0x710 [11879.003981][ T7704] netlink_sendmsg+0x723/0xbe0 [11879.003981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11879.003981][ T7704] ___sys_sendmsg+0xee/0x170 [11879.003981][ T7704] __sys_sendmsg+0xcd/0x170 [11879.003981][ T7704] do_syscall_64+0xc6/0x1e0 [11879.003981][ T7704] [11879.006164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11879.006164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11879.006164][ T7704] ipv6_find_idev+0x102/0x170 [11879.006164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11879.006164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11879.006164][ T7704] netlink_rcv_skb+0x130/0x360 [11879.006164][ T7704] netlink_unicast+0x449/0x710 [11879.006164][ T7704] netlink_sendmsg+0x723/0xbe0 [11879.006164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11879.006164][ T7704] ___sys_sendmsg+0xee/0x170 [11879.006164][ T7704] __sys_sendmsg+0xcd/0x170 [11879.006164][ T7704] do_syscall_64+0xc6/0x1e0 [11879.006164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11879.006164][ T7704] [11879.007875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11879.007875][ T7704] neigh_parms_alloc+0x1e5/0x510 [11879.007875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11879.007875][ T7704] ipv6_find_idev+0x102/0x170 [11879.007875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11879.007875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11879.007875][ T7704] netlink_rcv_skb+0x130/0x360 [11879.007875][ T7704] netlink_unicast+0x449/0x710 [11879.007875][ T7704] netlink_sendmsg+0x723/0xbe0 [11879.007875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11879.007875][ T7704] ___sys_sendmsg+0xee/0x170 [11879.007875][ T7704] __sys_sendmsg+0xcd/0x170 [11879.007875][ T7704] do_syscall_64+0xc6/0x1e0 [11879.007875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11879.007875][ T7704] [11889.246902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11889.247656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11889.247656][ T7704] netdev_get_by_index+0x5e/0x80 [11889.247656][ T7704] fib6_nh_init+0x3d8/0x15b0 [11889.247656][ T7704] ip6_route_info_create+0xf18/0x17d0 [11889.247656][ T7704] ip6_route_add+0x1c/0x140 [11889.247656][ T7704] addrconf_prefix_route+0x2a6/0x430 [11889.247656][ T7704] inet6_addr_add+0x4f8/0xa40 [11889.247656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11889.247656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11889.247656][ T7704] netlink_rcv_skb+0x130/0x360 [11889.247656][ T7704] netlink_unicast+0x449/0x710 [11889.247656][ T7704] netlink_sendmsg+0x723/0xbe0 [11889.247656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11889.247656][ T7704] ___sys_sendmsg+0xee/0x170 [11889.247656][ T7704] __sys_sendmsg+0xcd/0x170 [11889.247656][ T7704] do_syscall_64+0xc6/0x1e0 [11889.247656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11889.247656][ T7704] [11889.250386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11889.250386][ T7704] netdev_get_by_index+0x5e/0x80 [11889.250386][ T7704] fib6_nh_init+0x3d8/0x15b0 [11889.250386][ T7704] ip6_route_info_create+0xf18/0x17d0 [11889.250386][ T7704] addrconf_f6i_alloc+0x315/0x560 [11889.250386][ T7704] ipv6_add_addr+0x411/0x2000 [11889.250386][ T7704] inet6_addr_add+0x30e/0xa40 [11889.250386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11889.250386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11889.250386][ T7704] netlink_rcv_skb+0x130/0x360 [11889.250386][ T7704] netlink_unicast+0x449/0x710 [11889.250386][ T7704] netlink_sendmsg+0x723/0xbe0 [11889.250386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11889.250386][ T7704] ___sys_sendmsg+0xee/0x170 [11889.250386][ T7704] __sys_sendmsg+0xcd/0x170 [11889.250386][ T7704] do_syscall_64+0xc6/0x1e0 [11889.250386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11889.250386][ T7704] [11889.253771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11889.253771][ T7704] netdev_get_by_index+0x5e/0x80 [11889.253771][ T7704] fib6_nh_init+0x3d8/0x15b0 [11889.253771][ T7704] ip6_route_info_create+0xf18/0x17d0 [11889.253771][ T7704] ip6_route_add+0x1c/0x140 [11889.253771][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11889.253771][ T7704] addrconf_add_dev+0xe2/0x170 [11889.253771][ T7704] inet6_addr_add+0x12f/0xa40 [11889.253771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11889.253771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11889.253771][ T7704] netlink_rcv_skb+0x130/0x360 [11889.253771][ T7704] netlink_unicast+0x449/0x710 [11889.253771][ T7704] netlink_sendmsg+0x723/0xbe0 [11889.253771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11889.253771][ T7704] ___sys_sendmsg+0xee/0x170 [11889.253771][ T7704] __sys_sendmsg+0xcd/0x170 [11889.253771][ T7704] do_syscall_64+0xc6/0x1e0 [11889.253771][ T7704] [11889.257237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11889.257237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11889.257237][ T7704] ipv6_find_idev+0x102/0x170 [11889.257237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11889.257237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11889.257237][ T7704] netlink_rcv_skb+0x130/0x360 [11889.257237][ T7704] netlink_unicast+0x449/0x710 [11889.257237][ T7704] netlink_sendmsg+0x723/0xbe0 [11889.257237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11889.257237][ T7704] ___sys_sendmsg+0xee/0x170 [11889.257237][ T7704] __sys_sendmsg+0xcd/0x170 [11889.257237][ T7704] do_syscall_64+0xc6/0x1e0 [11889.257237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11889.257237][ T7704] [11889.259083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11889.259083][ T7704] neigh_parms_alloc+0x1e5/0x510 [11889.259083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11889.259083][ T7704] ipv6_find_idev+0x102/0x170 [11889.259083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11889.259083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11889.259083][ T7704] netlink_rcv_skb+0x130/0x360 [11889.259083][ T7704] netlink_unicast+0x449/0x710 [11889.259083][ T7704] netlink_sendmsg+0x723/0xbe0 [11889.259083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11889.259083][ T7704] ___sys_sendmsg+0xee/0x170 [11889.259083][ T7704] __sys_sendmsg+0xcd/0x170 [11889.259083][ T7704] do_syscall_64+0xc6/0x1e0 [11889.259083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11889.259083][ T7704] [11899.502972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11899.503471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11899.503471][ T7704] netdev_get_by_index+0x5e/0x80 [11899.503471][ T7704] fib6_nh_init+0x3d8/0x15b0 [11899.503471][ T7704] ip6_route_info_create+0xf18/0x17d0 [11899.503471][ T7704] ip6_route_add+0x1c/0x140 [11899.503471][ T7704] addrconf_prefix_route+0x2a6/0x430 [11899.503471][ T7704] inet6_addr_add+0x4f8/0xa40 [11899.503471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11899.503471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11899.503471][ T7704] netlink_rcv_skb+0x130/0x360 [11899.503471][ T7704] netlink_unicast+0x449/0x710 [11899.503471][ T7704] netlink_sendmsg+0x723/0xbe0 [11899.503471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11899.503471][ T7704] ___sys_sendmsg+0xee/0x170 [11899.503471][ T7704] __sys_sendmsg+0xcd/0x170 [11899.503471][ T7704] do_syscall_64+0xc6/0x1e0 [11899.503471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11899.503471][ T7704] [11899.505835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11899.505835][ T7704] netdev_get_by_index+0x5e/0x80 [11899.505835][ T7704] fib6_nh_init+0x3d8/0x15b0 [11899.505835][ T7704] ip6_route_info_create+0xf18/0x17d0 [11899.505835][ T7704] addrconf_f6i_alloc+0x315/0x560 [11899.505835][ T7704] ipv6_add_addr+0x411/0x2000 [11899.505835][ T7704] inet6_addr_add+0x30e/0xa40 [11899.505835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11899.505835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11899.505835][ T7704] netlink_rcv_skb+0x130/0x360 [11899.505835][ T7704] netlink_unicast+0x449/0x710 [11899.505835][ T7704] netlink_sendmsg+0x723/0xbe0 [11899.505835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11899.505835][ T7704] ___sys_sendmsg+0xee/0x170 [11899.505835][ T7704] __sys_sendmsg+0xcd/0x170 [11899.505835][ T7704] do_syscall_64+0xc6/0x1e0 [11899.505835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11899.505835][ T7704] [11899.508147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11899.508147][ T7704] netdev_get_by_index+0x5e/0x80 [11899.508147][ T7704] fib6_nh_init+0x3d8/0x15b0 [11899.508147][ T7704] ip6_route_info_create+0xf18/0x17d0 [11899.508147][ T7704] ip6_route_add+0x1c/0x140 [11899.508147][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11899.508147][ T7704] addrconf_add_dev+0xe2/0x170 [11899.508147][ T7704] inet6_addr_add+0x12f/0xa40 [11899.508147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11899.508147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11899.508147][ T7704] netlink_rcv_skb+0x130/0x360 [11899.508147][ T7704] netlink_unicast+0x449/0x710 [11899.508147][ T7704] netlink_sendmsg+0x723/0xbe0 [11899.508147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11899.508147][ T7704] ___sys_sendmsg+0xee/0x170 [11899.508147][ T7704] __sys_sendmsg+0xcd/0x170 [11899.508147][ T7704] do_syscall_64+0xc6/0x1e0 [11899.508147][ T7704] [11899.510427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11899.510427][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11899.510427][ T7704] ipv6_find_idev+0x102/0x170 [11899.510427][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11899.510427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11899.510427][ T7704] netlink_rcv_skb+0x130/0x360 [11899.510427][ T7704] netlink_unicast+0x449/0x710 [11899.510427][ T7704] netlink_sendmsg+0x723/0xbe0 [11899.510427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11899.510427][ T7704] ___sys_sendmsg+0xee/0x170 [11899.510427][ T7704] __sys_sendmsg+0xcd/0x170 [11899.510427][ T7704] do_syscall_64+0xc6/0x1e0 [11899.510427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11899.510427][ T7704] [11899.512198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11899.512198][ T7704] neigh_parms_alloc+0x1e5/0x510 [11899.512198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11899.512198][ T7704] ipv6_find_idev+0x102/0x170 [11899.512198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11899.512198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11899.512198][ T7704] netlink_rcv_skb+0x130/0x360 [11899.512198][ T7704] netlink_unicast+0x449/0x710 [11899.512198][ T7704] netlink_sendmsg+0x723/0xbe0 [11899.512198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11899.512198][ T7704] ___sys_sendmsg+0xee/0x170 [11899.512198][ T7704] __sys_sendmsg+0xcd/0x170 [11899.512198][ T7704] do_syscall_64+0xc6/0x1e0 [11899.512198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11899.512198][ T7704] [11909.526976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11909.527515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11909.527515][ T7704] netdev_get_by_index+0x5e/0x80 [11909.527515][ T7704] fib6_nh_init+0x3d8/0x15b0 [11909.527515][ T7704] ip6_route_info_create+0xf18/0x17d0 [11909.527515][ T7704] ip6_route_add+0x1c/0x140 [11909.527515][ T7704] addrconf_prefix_route+0x2a6/0x430 [11909.527515][ T7704] inet6_addr_add+0x4f8/0xa40 [11909.527515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11909.527515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11909.527515][ T7704] netlink_rcv_skb+0x130/0x360 [11909.527515][ T7704] netlink_unicast+0x449/0x710 [11909.527515][ T7704] netlink_sendmsg+0x723/0xbe0 [11909.527515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11909.527515][ T7704] ___sys_sendmsg+0xee/0x170 [11909.527515][ T7704] __sys_sendmsg+0xcd/0x170 [11909.527515][ T7704] do_syscall_64+0xc6/0x1e0 [11909.527515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11909.527515][ T7704] [11909.529877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11909.529877][ T7704] netdev_get_by_index+0x5e/0x80 [11909.529877][ T7704] fib6_nh_init+0x3d8/0x15b0 [11909.529877][ T7704] ip6_route_info_create+0xf18/0x17d0 [11909.529877][ T7704] addrconf_f6i_alloc+0x315/0x560 [11909.529877][ T7704] ipv6_add_addr+0x411/0x2000 [11909.529877][ T7704] inet6_addr_add+0x30e/0xa40 [11909.529877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11909.529877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11909.529877][ T7704] netlink_rcv_skb+0x130/0x360 [11909.529877][ T7704] netlink_unicast+0x449/0x710 [11909.529877][ T7704] netlink_sendmsg+0x723/0xbe0 [11909.529877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11909.529877][ T7704] ___sys_sendmsg+0xee/0x170 [11909.529877][ T7704] __sys_sendmsg+0xcd/0x170 [11909.529877][ T7704] do_syscall_64+0xc6/0x1e0 [11909.529877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11909.529877][ T7704] [11909.532218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11909.532218][ T7704] netdev_get_by_index+0x5e/0x80 [11909.532218][ T7704] fib6_nh_init+0x3d8/0x15b0 [11909.532218][ T7704] ip6_route_info_create+0xf18/0x17d0 [11909.532218][ T7704] ip6_route_add+0x1c/0x140 [11909.532218][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11909.532218][ T7704] addrconf_add_dev+0xe2/0x170 [11909.532218][ T7704] inet6_addr_add+0x12f/0xa40 [11909.532218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11909.532218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11909.532218][ T7704] netlink_rcv_skb+0x130/0x360 [11909.532218][ T7704] netlink_unicast+0x449/0x710 [11909.532218][ T7704] netlink_sendmsg+0x723/0xbe0 [11909.532218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11909.532218][ T7704] ___sys_sendmsg+0xee/0x170 [11909.532218][ T7704] __sys_sendmsg+0xcd/0x170 [11909.532218][ T7704] do_syscall_64+0xc6/0x1e0 [11909.532218][ T7704] [11909.534541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11909.534541][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11909.534541][ T7704] ipv6_find_idev+0x102/0x170 [11909.534541][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11909.534541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11909.534541][ T7704] netlink_rcv_skb+0x130/0x360 [11909.534541][ T7704] netlink_unicast+0x449/0x710 [11909.534541][ T7704] netlink_sendmsg+0x723/0xbe0 [11909.534541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11909.534541][ T7704] ___sys_sendmsg+0xee/0x170 [11909.534541][ T7704] __sys_sendmsg+0xcd/0x170 [11909.534541][ T7704] do_syscall_64+0xc6/0x1e0 [11909.534541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11909.534541][ T7704] [11909.536338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11909.536338][ T7704] neigh_parms_alloc+0x1e5/0x510 [11909.536338][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11909.536338][ T7704] ipv6_find_idev+0x102/0x170 [11909.536338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11909.536338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11909.536338][ T7704] netlink_rcv_skb+0x130/0x360 [11909.536338][ T7704] netlink_unicast+0x449/0x710 [11909.536338][ T7704] netlink_sendmsg+0x723/0xbe0 [11909.536338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11909.536338][ T7704] ___sys_sendmsg+0xee/0x170 [11909.536338][ T7704] __sys_sendmsg+0xcd/0x170 [11909.536338][ T7704] do_syscall_64+0xc6/0x1e0 [11909.536338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11909.536338][ T7704] [11919.558956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11919.559495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11919.559495][ T7704] netdev_get_by_index+0x5e/0x80 [11919.559495][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.559495][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.559495][ T7704] ip6_route_add+0x1c/0x140 [11919.559495][ T7704] addrconf_prefix_route+0x2a6/0x430 [11919.559495][ T7704] inet6_addr_add+0x4f8/0xa40 [11919.559495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.559495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.559495][ T7704] netlink_rcv_skb+0x130/0x360 [11919.559495][ T7704] netlink_unicast+0x449/0x710 [11919.559495][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.559495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.559495][ T7704] ___sys_sendmsg+0xee/0x170 [11919.559495][ T7704] __sys_sendmsg+0xcd/0x170 [11919.559495][ T7704] do_syscall_64+0xc6/0x1e0 [11919.559495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.559495][ T7704] [11919.561889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11919.561889][ T7704] netdev_get_by_index+0x5e/0x80 [11919.561889][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.561889][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.561889][ T7704] addrconf_f6i_alloc+0x315/0x560 [11919.561889][ T7704] ipv6_add_addr+0x411/0x2000 [11919.561889][ T7704] inet6_addr_add+0x30e/0xa40 [11919.561889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.561889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.561889][ T7704] netlink_rcv_skb+0x130/0x360 [11919.561889][ T7704] netlink_unicast+0x449/0x710 [11919.561889][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.561889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.561889][ T7704] ___sys_sendmsg+0xee/0x170 [11919.561889][ T7704] __sys_sendmsg+0xcd/0x170 [11919.561889][ T7704] do_syscall_64+0xc6/0x1e0 [11919.561889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.561889][ T7704] [11919.564240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11919.564240][ T7704] netdev_get_by_index+0x5e/0x80 [11919.564240][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.564240][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.564240][ T7704] ip6_route_add+0x1c/0x140 [11919.564240][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11919.564240][ T7704] addrconf_add_dev+0xe2/0x170 [11919.564240][ T7704] inet6_addr_add+0x12f/0xa40 [11919.564240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.564240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.564240][ T7704] netlink_rcv_skb+0x130/0x360 [11919.564240][ T7704] netlink_unicast+0x449/0x710 [11919.564240][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.564240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.564240][ T7704] ___sys_sendmsg+0xee/0x170 [11919.564240][ T7704] __sys_sendmsg+0xcd/0x170 [11919.564240][ T7704] do_syscall_64+0xc6/0x1e0 [11919.564240][ T7704] [11919.566559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11919.566559][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11919.566559][ T7704] ipv6_find_idev+0x102/0x170 [11919.566559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11919.566559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.566559][ T7704] netlink_rcv_skb+0x130/0x360 [11919.566559][ T7704] netlink_unicast+0x449/0x710 [11919.566559][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.566559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.566559][ T7704] ___sys_sendmsg+0xee/0x170 [11919.566559][ T7704] __sys_sendmsg+0xcd/0x170 [11919.566559][ T7704] do_syscall_64+0xc6/0x1e0 [11919.566559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.566559][ T7704] [11919.568365][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11919.568365][ T7704] neigh_parms_alloc+0x1e5/0x510 [11919.568365][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11919.568365][ T7704] ipv6_find_idev+0x102/0x170 [11919.568365][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11919.568365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.568365][ T7704] netlink_rcv_skb+0x130/0x360 [11919.568365][ T7704] netlink_unicast+0x449/0x710 [11919.568365][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.568365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.568365][ T7704] ___sys_sendmsg+0xee/0x170 [11919.568365][ T7704] __sys_sendmsg+0xcd/0x170 [11919.568365][ T7704] do_syscall_64+0xc6/0x1e0 [11919.568365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.568365][ T7704] [11929.806963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11929.807486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11929.807486][ T7704] netdev_get_by_index+0x5e/0x80 [11929.807486][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.807486][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.807486][ T7704] ip6_route_add+0x1c/0x140 [11929.807486][ T7704] addrconf_prefix_route+0x2a6/0x430 [11929.807486][ T7704] inet6_addr_add+0x4f8/0xa40 [11929.807486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.807486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.807486][ T7704] netlink_rcv_skb+0x130/0x360 [11929.807486][ T7704] netlink_unicast+0x449/0x710 [11929.807486][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.807486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.807486][ T7704] ___sys_sendmsg+0xee/0x170 [11929.807486][ T7704] __sys_sendmsg+0xcd/0x170 [11929.807486][ T7704] do_syscall_64+0xc6/0x1e0 [11929.807486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.807486][ T7704] [11929.809858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11929.809858][ T7704] netdev_get_by_index+0x5e/0x80 [11929.809858][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.809858][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.809858][ T7704] addrconf_f6i_alloc+0x315/0x560 [11929.809858][ T7704] ipv6_add_addr+0x411/0x2000 [11929.809858][ T7704] inet6_addr_add+0x30e/0xa40 [11929.809858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.809858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.809858][ T7704] netlink_rcv_skb+0x130/0x360 [11929.809858][ T7704] netlink_unicast+0x449/0x710 [11929.809858][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.809858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.809858][ T7704] ___sys_sendmsg+0xee/0x170 [11929.809858][ T7704] __sys_sendmsg+0xcd/0x170 [11929.809858][ T7704] do_syscall_64+0xc6/0x1e0 [11929.809858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.809858][ T7704] [11929.812197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11929.812197][ T7704] netdev_get_by_index+0x5e/0x80 [11929.812197][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.812197][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.812197][ T7704] ip6_route_add+0x1c/0x140 [11929.812197][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11929.812197][ T7704] addrconf_add_dev+0xe2/0x170 [11929.812197][ T7704] inet6_addr_add+0x12f/0xa40 [11929.812197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.812197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.812197][ T7704] netlink_rcv_skb+0x130/0x360 [11929.812197][ T7704] netlink_unicast+0x449/0x710 [11929.812197][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.812197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.812197][ T7704] ___sys_sendmsg+0xee/0x170 [11929.812197][ T7704] __sys_sendmsg+0xcd/0x170 [11929.812197][ T7704] do_syscall_64+0xc6/0x1e0 [11929.812197][ T7704] [11929.814508][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11929.814508][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11929.814508][ T7704] ipv6_find_idev+0x102/0x170 [11929.814508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11929.814508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.814508][ T7704] netlink_rcv_skb+0x130/0x360 [11929.814508][ T7704] netlink_unicast+0x449/0x710 [11929.814508][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.814508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.814508][ T7704] ___sys_sendmsg+0xee/0x170 [11929.814508][ T7704] __sys_sendmsg+0xcd/0x170 [11929.814508][ T7704] do_syscall_64+0xc6/0x1e0 [11929.814508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.814508][ T7704] [11929.816316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11929.816316][ T7704] neigh_parms_alloc+0x1e5/0x510 [11929.816316][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11929.816316][ T7704] ipv6_find_idev+0x102/0x170 [11929.816316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11929.816316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.816316][ T7704] netlink_rcv_skb+0x130/0x360 [11929.816316][ T7704] netlink_unicast+0x449/0x710 [11929.816316][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.816316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.816316][ T7704] ___sys_sendmsg+0xee/0x170 [11929.816316][ T7704] __sys_sendmsg+0xcd/0x170 [11929.816316][ T7704] do_syscall_64+0xc6/0x1e0 [11929.816316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.816316][ T7704] [11940.054892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11940.055481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11940.055481][ T7704] netdev_get_by_index+0x5e/0x80 [11940.055481][ T7704] fib6_nh_init+0x3d8/0x15b0 [11940.055481][ T7704] ip6_route_info_create+0xf18/0x17d0 [11940.055481][ T7704] ip6_route_add+0x1c/0x140 [11940.055481][ T7704] addrconf_prefix_route+0x2a6/0x430 [11940.055481][ T7704] inet6_addr_add+0x4f8/0xa40 [11940.055481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11940.055481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11940.055481][ T7704] netlink_rcv_skb+0x130/0x360 [11940.055481][ T7704] netlink_unicast+0x449/0x710 [11940.055481][ T7704] netlink_sendmsg+0x723/0xbe0 [11940.055481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11940.055481][ T7704] ___sys_sendmsg+0xee/0x170 [11940.055481][ T7704] __sys_sendmsg+0xcd/0x170 [11940.055481][ T7704] do_syscall_64+0xc6/0x1e0 [11940.055481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11940.055481][ T7704] [11940.058098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11940.058098][ T7704] netdev_get_by_index+0x5e/0x80 [11940.058098][ T7704] fib6_nh_init+0x3d8/0x15b0 [11940.058098][ T7704] ip6_route_info_create+0xf18/0x17d0 [11940.058098][ T7704] addrconf_f6i_alloc+0x315/0x560 [11940.058098][ T7704] ipv6_add_addr+0x411/0x2000 [11940.058098][ T7704] inet6_addr_add+0x30e/0xa40 [11940.058098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11940.058098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11940.058098][ T7704] netlink_rcv_skb+0x130/0x360 [11940.058098][ T7704] netlink_unicast+0x449/0x710 [11940.058098][ T7704] netlink_sendmsg+0x723/0xbe0 [11940.058098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11940.058098][ T7704] ___sys_sendmsg+0xee/0x170 [11940.058098][ T7704] __sys_sendmsg+0xcd/0x170 [11940.058098][ T7704] do_syscall_64+0xc6/0x1e0 [11940.058098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11940.058098][ T7704] [11940.061854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11940.061854][ T7704] netdev_get_by_index+0x5e/0x80 [11940.061854][ T7704] fib6_nh_init+0x3d8/0x15b0 [11940.061854][ T7704] ip6_route_info_create+0xf18/0x17d0 [11940.061854][ T7704] ip6_route_add+0x1c/0x140 [11940.061854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11940.061854][ T7704] addrconf_add_dev+0xe2/0x170 [11940.061854][ T7704] inet6_addr_add+0x12f/0xa40 [11940.061854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11940.061854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11940.061854][ T7704] netlink_rcv_skb+0x130/0x360 [11940.061854][ T7704] netlink_unicast+0x449/0x710 [11940.061854][ T7704] netlink_sendmsg+0x723/0xbe0 [11940.061854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11940.061854][ T7704] ___sys_sendmsg+0xee/0x170 [11940.061854][ T7704] __sys_sendmsg+0xcd/0x170 [11940.061854][ T7704] do_syscall_64+0xc6/0x1e0 [11940.061854][ T7704] [11940.064871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11940.064871][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11940.064871][ T7704] ipv6_find_idev+0x102/0x170 [11940.064871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11940.064871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11940.064871][ T7704] netlink_rcv_skb+0x130/0x360 [11940.064871][ T7704] netlink_unicast+0x449/0x710 [11940.064871][ T7704] netlink_sendmsg+0x723/0xbe0 [11940.064871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11940.064871][ T7704] ___sys_sendmsg+0xee/0x170 [11940.064871][ T7704] __sys_sendmsg+0xcd/0x170 [11940.064871][ T7704] do_syscall_64+0xc6/0x1e0 [11940.064871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11940.064871][ T7704] [11940.066731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11940.066731][ T7704] neigh_parms_alloc+0x1e5/0x510 [11940.066731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11940.066731][ T7704] ipv6_find_idev+0x102/0x170 [11940.066731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11940.066731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11940.066731][ T7704] netlink_rcv_skb+0x130/0x360 [11940.066731][ T7704] netlink_unicast+0x449/0x710 [11940.066731][ T7704] netlink_sendmsg+0x723/0xbe0 [11940.066731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11940.066731][ T7704] ___sys_sendmsg+0xee/0x170 [11940.066731][ T7704] __sys_sendmsg+0xcd/0x170 [11940.066731][ T7704] do_syscall_64+0xc6/0x1e0 [11940.066731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11940.066731][ T7704] [11950.222963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11950.223463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11950.223463][ T7704] netdev_get_by_index+0x5e/0x80 [11950.223463][ T7704] fib6_nh_init+0x3d8/0x15b0 [11950.223463][ T7704] ip6_route_info_create+0xf18/0x17d0 [11950.223463][ T7704] ip6_route_add+0x1c/0x140 [11950.223463][ T7704] addrconf_prefix_route+0x2a6/0x430 [11950.223463][ T7704] inet6_addr_add+0x4f8/0xa40 [11950.223463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11950.223463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11950.223463][ T7704] netlink_rcv_skb+0x130/0x360 [11950.223463][ T7704] netlink_unicast+0x449/0x710 [11950.223463][ T7704] netlink_sendmsg+0x723/0xbe0 [11950.223463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11950.223463][ T7704] ___sys_sendmsg+0xee/0x170 [11950.223463][ T7704] __sys_sendmsg+0xcd/0x170 [11950.223463][ T7704] do_syscall_64+0xc6/0x1e0 [11950.223463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11950.223463][ T7704] [11950.225837][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11950.225837][ T7704] netdev_get_by_index+0x5e/0x80 [11950.225837][ T7704] fib6_nh_init+0x3d8/0x15b0 [11950.225837][ T7704] ip6_route_info_create+0xf18/0x17d0 [11950.225837][ T7704] addrconf_f6i_alloc+0x315/0x560 [11950.225837][ T7704] ipv6_add_addr+0x411/0x2000 [11950.225837][ T7704] inet6_addr_add+0x30e/0xa40 [11950.225837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11950.225837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11950.225837][ T7704] netlink_rcv_skb+0x130/0x360 [11950.225837][ T7704] netlink_unicast+0x449/0x710 [11950.225837][ T7704] netlink_sendmsg+0x723/0xbe0 [11950.225837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11950.225837][ T7704] ___sys_sendmsg+0xee/0x170 [11950.225837][ T7704] __sys_sendmsg+0xcd/0x170 [11950.225837][ T7704] do_syscall_64+0xc6/0x1e0 [11950.225837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11950.225837][ T7704] [11950.228675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11950.228675][ T7704] netdev_get_by_index+0x5e/0x80 [11950.228675][ T7704] fib6_nh_init+0x3d8/0x15b0 [11950.228675][ T7704] ip6_route_info_create+0xf18/0x17d0 [11950.228675][ T7704] ip6_route_add+0x1c/0x140 [11950.228675][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11950.228675][ T7704] addrconf_add_dev+0xe2/0x170 [11950.228675][ T7704] inet6_addr_add+0x12f/0xa40 [11950.228675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11950.228675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11950.228675][ T7704] netlink_rcv_skb+0x130/0x360 [11950.228675][ T7704] netlink_unicast+0x449/0x710 [11950.228675][ T7704] netlink_sendmsg+0x723/0xbe0 [11950.228675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11950.228675][ T7704] ___sys_sendmsg+0xee/0x170 [11950.228675][ T7704] __sys_sendmsg+0xcd/0x170 [11950.228675][ T7704] do_syscall_64+0xc6/0x1e0 [11950.228675][ T7704] [11950.230943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11950.230943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11950.230943][ T7704] ipv6_find_idev+0x102/0x170 [11950.230943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11950.230943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11950.230943][ T7704] netlink_rcv_skb+0x130/0x360 [11950.230943][ T7704] netlink_unicast+0x449/0x710 [11950.230943][ T7704] netlink_sendmsg+0x723/0xbe0 [11950.230943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11950.230943][ T7704] ___sys_sendmsg+0xee/0x170 [11950.230943][ T7704] __sys_sendmsg+0xcd/0x170 [11950.230943][ T7704] do_syscall_64+0xc6/0x1e0 [11950.230943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11950.230943][ T7704] [11950.232723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11950.232723][ T7704] neigh_parms_alloc+0x1e5/0x510 [11950.232723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11950.232723][ T7704] ipv6_find_idev+0x102/0x170 [11950.232723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11950.232723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11950.232723][ T7704] netlink_rcv_skb+0x130/0x360 [11950.232723][ T7704] netlink_unicast+0x449/0x710 [11950.232723][ T7704] netlink_sendmsg+0x723/0xbe0 [11950.232723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11950.232723][ T7704] ___sys_sendmsg+0xee/0x170 [11950.232723][ T7704] __sys_sendmsg+0xcd/0x170 [11950.232723][ T7704] do_syscall_64+0xc6/0x1e0 [11950.232723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11950.232723][ T7704] [11960.446938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11960.447421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11960.447421][ T7704] netdev_get_by_index+0x5e/0x80 [11960.447421][ T7704] fib6_nh_init+0x3d8/0x15b0 [11960.447421][ T7704] ip6_route_info_create+0xf18/0x17d0 [11960.447421][ T7704] ip6_route_add+0x1c/0x140 [11960.447421][ T7704] addrconf_prefix_route+0x2a6/0x430 [11960.447421][ T7704] inet6_addr_add+0x4f8/0xa40 [11960.447421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11960.447421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11960.447421][ T7704] netlink_rcv_skb+0x130/0x360 [11960.447421][ T7704] netlink_unicast+0x449/0x710 [11960.447421][ T7704] netlink_sendmsg+0x723/0xbe0 [11960.447421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11960.447421][ T7704] ___sys_sendmsg+0xee/0x170 [11960.447421][ T7704] __sys_sendmsg+0xcd/0x170 [11960.447421][ T7704] do_syscall_64+0xc6/0x1e0 [11960.447421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11960.447421][ T7704] [11960.449678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11960.449678][ T7704] netdev_get_by_index+0x5e/0x80 [11960.449678][ T7704] fib6_nh_init+0x3d8/0x15b0 [11960.449678][ T7704] ip6_route_info_create+0xf18/0x17d0 [11960.449678][ T7704] addrconf_f6i_alloc+0x315/0x560 [11960.449678][ T7704] ipv6_add_addr+0x411/0x2000 [11960.449678][ T7704] inet6_addr_add+0x30e/0xa40 [11960.449678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11960.449678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11960.449678][ T7704] netlink_rcv_skb+0x130/0x360 [11960.449678][ T7704] netlink_unicast+0x449/0x710 [11960.449678][ T7704] netlink_sendmsg+0x723/0xbe0 [11960.449678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11960.449678][ T7704] ___sys_sendmsg+0xee/0x170 [11960.449678][ T7704] __sys_sendmsg+0xcd/0x170 [11960.449678][ T7704] do_syscall_64+0xc6/0x1e0 [11960.449678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11960.449678][ T7704] [11960.451898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11960.451898][ T7704] netdev_get_by_index+0x5e/0x80 [11960.451898][ T7704] fib6_nh_init+0x3d8/0x15b0 [11960.451898][ T7704] ip6_route_info_create+0xf18/0x17d0 [11960.451898][ T7704] ip6_route_add+0x1c/0x140 [11960.451898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11960.451898][ T7704] addrconf_add_dev+0xe2/0x170 [11960.451898][ T7704] inet6_addr_add+0x12f/0xa40 [11960.451898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11960.451898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11960.451898][ T7704] netlink_rcv_skb+0x130/0x360 [11960.451898][ T7704] netlink_unicast+0x449/0x710 [11960.451898][ T7704] netlink_sendmsg+0x723/0xbe0 [11960.451898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11960.451898][ T7704] ___sys_sendmsg+0xee/0x170 [11960.451898][ T7704] __sys_sendmsg+0xcd/0x170 [11960.451898][ T7704] do_syscall_64+0xc6/0x1e0 [11960.451898][ T7704] [11960.454107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11960.454107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11960.454107][ T7704] ipv6_find_idev+0x102/0x170 [11960.454107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11960.454107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11960.454107][ T7704] netlink_rcv_skb+0x130/0x360 [11960.454107][ T7704] netlink_unicast+0x449/0x710 [11960.454107][ T7704] netlink_sendmsg+0x723/0xbe0 [11960.454107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11960.454107][ T7704] ___sys_sendmsg+0xee/0x170 [11960.454107][ T7704] __sys_sendmsg+0xcd/0x170 [11960.454107][ T7704] do_syscall_64+0xc6/0x1e0 [11960.454107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11960.454107][ T7704] [11960.455817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11960.455817][ T7704] neigh_parms_alloc+0x1e5/0x510 [11960.455817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11960.455817][ T7704] ipv6_find_idev+0x102/0x170 [11960.455817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11960.455817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11960.455817][ T7704] netlink_rcv_skb+0x130/0x360 [11960.455817][ T7704] netlink_unicast+0x449/0x710 [11960.455817][ T7704] netlink_sendmsg+0x723/0xbe0 [11960.455817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11960.455817][ T7704] ___sys_sendmsg+0xee/0x170 [11960.455817][ T7704] __sys_sendmsg+0xcd/0x170 [11960.455817][ T7704] do_syscall_64+0xc6/0x1e0 [11960.455817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11960.455817][ T7704] [11970.702970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11970.703491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11970.703491][ T7704] netdev_get_by_index+0x5e/0x80 [11970.703491][ T7704] fib6_nh_init+0x3d8/0x15b0 [11970.703491][ T7704] ip6_route_info_create+0xf18/0x17d0 [11970.703491][ T7704] ip6_route_add+0x1c/0x140 [11970.703491][ T7704] addrconf_prefix_route+0x2a6/0x430 [11970.703491][ T7704] inet6_addr_add+0x4f8/0xa40 [11970.703491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11970.703491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11970.703491][ T7704] netlink_rcv_skb+0x130/0x360 [11970.703491][ T7704] netlink_unicast+0x449/0x710 [11970.703491][ T7704] netlink_sendmsg+0x723/0xbe0 [11970.703491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11970.703491][ T7704] ___sys_sendmsg+0xee/0x170 [11970.703491][ T7704] __sys_sendmsg+0xcd/0x170 [11970.703491][ T7704] do_syscall_64+0xc6/0x1e0 [11970.703491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11970.703491][ T7704] [11970.705764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11970.705764][ T7704] netdev_get_by_index+0x5e/0x80 [11970.705764][ T7704] fib6_nh_init+0x3d8/0x15b0 [11970.705764][ T7704] ip6_route_info_create+0xf18/0x17d0 [11970.705764][ T7704] addrconf_f6i_alloc+0x315/0x560 [11970.705764][ T7704] ipv6_add_addr+0x411/0x2000 [11970.705764][ T7704] inet6_addr_add+0x30e/0xa40 [11970.705764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11970.705764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11970.705764][ T7704] netlink_rcv_skb+0x130/0x360 [11970.705764][ T7704] netlink_unicast+0x449/0x710 [11970.705764][ T7704] netlink_sendmsg+0x723/0xbe0 [11970.705764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11970.705764][ T7704] ___sys_sendmsg+0xee/0x170 [11970.705764][ T7704] __sys_sendmsg+0xcd/0x170 [11970.705764][ T7704] do_syscall_64+0xc6/0x1e0 [11970.705764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11970.705764][ T7704] [11970.707997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11970.707997][ T7704] netdev_get_by_index+0x5e/0x80 [11970.707997][ T7704] fib6_nh_init+0x3d8/0x15b0 [11970.707997][ T7704] ip6_route_info_create+0xf18/0x17d0 [11970.707997][ T7704] ip6_route_add+0x1c/0x140 [11970.707997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11970.707997][ T7704] addrconf_add_dev+0xe2/0x170 [11970.707997][ T7704] inet6_addr_add+0x12f/0xa40 [11970.707997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11970.707997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11970.707997][ T7704] netlink_rcv_skb+0x130/0x360 [11970.707997][ T7704] netlink_unicast+0x449/0x710 [11970.707997][ T7704] netlink_sendmsg+0x723/0xbe0 [11970.707997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11970.707997][ T7704] ___sys_sendmsg+0xee/0x170 [11970.707997][ T7704] __sys_sendmsg+0xcd/0x170 [11970.707997][ T7704] do_syscall_64+0xc6/0x1e0 [11970.707997][ T7704] [11970.710188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11970.710188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11970.710188][ T7704] ipv6_find_idev+0x102/0x170 [11970.710188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11970.710188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11970.710188][ T7704] netlink_rcv_skb+0x130/0x360 [11970.710188][ T7704] netlink_unicast+0x449/0x710 [11970.710188][ T7704] netlink_sendmsg+0x723/0xbe0 [11970.710188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11970.710188][ T7704] ___sys_sendmsg+0xee/0x170 [11970.710188][ T7704] __sys_sendmsg+0xcd/0x170 [11970.710188][ T7704] do_syscall_64+0xc6/0x1e0 [11970.710188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11970.710188][ T7704] [11970.711906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11970.711906][ T7704] neigh_parms_alloc+0x1e5/0x510 [11970.711906][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11970.711906][ T7704] ipv6_find_idev+0x102/0x170 [11970.711906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11970.711906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11970.711906][ T7704] netlink_rcv_skb+0x130/0x360 [11970.711906][ T7704] netlink_unicast+0x449/0x710 [11970.711906][ T7704] netlink_sendmsg+0x723/0xbe0 [11970.711906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11970.711906][ T7704] ___sys_sendmsg+0xee/0x170 [11970.711906][ T7704] __sys_sendmsg+0xcd/0x170 [11970.711906][ T7704] do_syscall_64+0xc6/0x1e0 [11970.711906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11970.711906][ T7704] [11980.966996][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11980.967489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11980.967489][ T7704] netdev_get_by_index+0x5e/0x80 [11980.967489][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.967489][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.967489][ T7704] ip6_route_add+0x1c/0x140 [11980.967489][ T7704] addrconf_prefix_route+0x2a6/0x430 [11980.967489][ T7704] inet6_addr_add+0x4f8/0xa40 [11980.967489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.967489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.967489][ T7704] netlink_rcv_skb+0x130/0x360 [11980.967489][ T7704] netlink_unicast+0x449/0x710 [11980.967489][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.967489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.967489][ T7704] ___sys_sendmsg+0xee/0x170 [11980.967489][ T7704] __sys_sendmsg+0xcd/0x170 [11980.967489][ T7704] do_syscall_64+0xc6/0x1e0 [11980.967489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.967489][ T7704] [11980.969755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11980.969755][ T7704] netdev_get_by_index+0x5e/0x80 [11980.969755][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.969755][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.969755][ T7704] addrconf_f6i_alloc+0x315/0x560 [11980.969755][ T7704] ipv6_add_addr+0x411/0x2000 [11980.969755][ T7704] inet6_addr_add+0x30e/0xa40 [11980.969755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.969755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.969755][ T7704] netlink_rcv_skb+0x130/0x360 [11980.969755][ T7704] netlink_unicast+0x449/0x710 [11980.969755][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.969755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.969755][ T7704] ___sys_sendmsg+0xee/0x170 [11980.969755][ T7704] __sys_sendmsg+0xcd/0x170 [11980.969755][ T7704] do_syscall_64+0xc6/0x1e0 [11980.969755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.969755][ T7704] [11980.971975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11980.971975][ T7704] netdev_get_by_index+0x5e/0x80 [11980.971975][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.971975][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.971975][ T7704] ip6_route_add+0x1c/0x140 [11980.971975][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11980.971975][ T7704] addrconf_add_dev+0xe2/0x170 [11980.971975][ T7704] inet6_addr_add+0x12f/0xa40 [11980.971975][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.971975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.971975][ T7704] netlink_rcv_skb+0x130/0x360 [11980.971975][ T7704] netlink_unicast+0x449/0x710 [11980.971975][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.971975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.971975][ T7704] ___sys_sendmsg+0xee/0x170 [11980.971975][ T7704] __sys_sendmsg+0xcd/0x170 [11980.971975][ T7704] do_syscall_64+0xc6/0x1e0 [11980.971975][ T7704] [11980.974172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11980.974172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11980.974172][ T7704] ipv6_find_idev+0x102/0x170 [11980.974172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11980.974172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.974172][ T7704] netlink_rcv_skb+0x130/0x360 [11980.974172][ T7704] netlink_unicast+0x449/0x710 [11980.974172][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.974172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.974172][ T7704] ___sys_sendmsg+0xee/0x170 [11980.974172][ T7704] __sys_sendmsg+0xcd/0x170 [11980.974172][ T7704] do_syscall_64+0xc6/0x1e0 [11980.974172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.974172][ T7704] [11980.975888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11980.975888][ T7704] neigh_parms_alloc+0x1e5/0x510 [11980.975888][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11980.975888][ T7704] ipv6_find_idev+0x102/0x170 [11980.975888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11980.975888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.975888][ T7704] netlink_rcv_skb+0x130/0x360 [11980.975888][ T7704] netlink_unicast+0x449/0x710 [11980.975888][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.975888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.975888][ T7704] ___sys_sendmsg+0xee/0x170 [11980.975888][ T7704] __sys_sendmsg+0xcd/0x170 [11980.975888][ T7704] do_syscall_64+0xc6/0x1e0 [11980.975888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.975888][ T7704] [11991.230971][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11991.231462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11991.231462][ T7704] netdev_get_by_index+0x5e/0x80 [11991.231462][ T7704] fib6_nh_init+0x3d8/0x15b0 [11991.231462][ T7704] ip6_route_info_create+0xf18/0x17d0 [11991.231462][ T7704] ip6_route_add+0x1c/0x140 [11991.231462][ T7704] addrconf_prefix_route+0x2a6/0x430 [11991.231462][ T7704] inet6_addr_add+0x4f8/0xa40 [11991.231462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11991.231462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11991.231462][ T7704] netlink_rcv_skb+0x130/0x360 [11991.231462][ T7704] netlink_unicast+0x449/0x710 [11991.231462][ T7704] netlink_sendmsg+0x723/0xbe0 [11991.231462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11991.231462][ T7704] ___sys_sendmsg+0xee/0x170 [11991.231462][ T7704] __sys_sendmsg+0xcd/0x170 [11991.231462][ T7704] do_syscall_64+0xc6/0x1e0 [11991.231462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11991.231462][ T7704] [11991.233716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11991.233716][ T7704] netdev_get_by_index+0x5e/0x80 [11991.233716][ T7704] fib6_nh_init+0x3d8/0x15b0 [11991.233716][ T7704] ip6_route_info_create+0xf18/0x17d0 [11991.233716][ T7704] addrconf_f6i_alloc+0x315/0x560 [11991.233716][ T7704] ipv6_add_addr+0x411/0x2000 [11991.233716][ T7704] inet6_addr_add+0x30e/0xa40 [11991.233716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11991.233716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11991.233716][ T7704] netlink_rcv_skb+0x130/0x360 [11991.233716][ T7704] netlink_unicast+0x449/0x710 [11991.233716][ T7704] netlink_sendmsg+0x723/0xbe0 [11991.233716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11991.233716][ T7704] ___sys_sendmsg+0xee/0x170 [11991.233716][ T7704] __sys_sendmsg+0xcd/0x170 [11991.233716][ T7704] do_syscall_64+0xc6/0x1e0 [11991.233716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11991.233716][ T7704] [11991.235936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11991.235936][ T7704] netdev_get_by_index+0x5e/0x80 [11991.235936][ T7704] fib6_nh_init+0x3d8/0x15b0 [11991.235936][ T7704] ip6_route_info_create+0xf18/0x17d0 [11991.235936][ T7704] ip6_route_add+0x1c/0x140 [11991.235936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11991.235936][ T7704] addrconf_add_dev+0xe2/0x170 [11991.235936][ T7704] inet6_addr_add+0x12f/0xa40 [11991.235936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11991.235936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11991.235936][ T7704] netlink_rcv_skb+0x130/0x360 [11991.235936][ T7704] netlink_unicast+0x449/0x710 [11991.235936][ T7704] netlink_sendmsg+0x723/0xbe0 [11991.235936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11991.235936][ T7704] ___sys_sendmsg+0xee/0x170 [11991.235936][ T7704] __sys_sendmsg+0xcd/0x170 [11991.235936][ T7704] do_syscall_64+0xc6/0x1e0 [11991.235936][ T7704] [11991.238120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11991.238120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11991.238120][ T7704] ipv6_find_idev+0x102/0x170 [11991.238120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11991.238120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11991.238120][ T7704] netlink_rcv_skb+0x130/0x360 [11991.238120][ T7704] netlink_unicast+0x449/0x710 [11991.238120][ T7704] netlink_sendmsg+0x723/0xbe0 [11991.238120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11991.238120][ T7704] ___sys_sendmsg+0xee/0x170 [11991.238120][ T7704] __sys_sendmsg+0xcd/0x170 [11991.238120][ T7704] do_syscall_64+0xc6/0x1e0 [11991.238120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11991.238120][ T7704] [11991.239840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [11991.239840][ T7704] neigh_parms_alloc+0x1e5/0x510 [11991.239840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11991.239840][ T7704] ipv6_find_idev+0x102/0x170 [11991.239840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11991.239840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11991.239840][ T7704] netlink_rcv_skb+0x130/0x360 [11991.239840][ T7704] netlink_unicast+0x449/0x710 [11991.239840][ T7704] netlink_sendmsg+0x723/0xbe0 [11991.239840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11991.239840][ T7704] ___sys_sendmsg+0xee/0x170 [11991.239840][ T7704] __sys_sendmsg+0xcd/0x170 [11991.239840][ T7704] do_syscall_64+0xc6/0x1e0 [11991.239840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11991.239840][ T7704] [12001.486944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12001.487427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12001.487427][ T7704] netdev_get_by_index+0x5e/0x80 [12001.487427][ T7704] fib6_nh_init+0x3d8/0x15b0 [12001.487427][ T7704] ip6_route_info_create+0xf18/0x17d0 [12001.487427][ T7704] ip6_route_add+0x1c/0x140 [12001.487427][ T7704] addrconf_prefix_route+0x2a6/0x430 [12001.487427][ T7704] inet6_addr_add+0x4f8/0xa40 [12001.487427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12001.487427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12001.487427][ T7704] netlink_rcv_skb+0x130/0x360 [12001.487427][ T7704] netlink_unicast+0x449/0x710 [12001.487427][ T7704] netlink_sendmsg+0x723/0xbe0 [12001.487427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12001.487427][ T7704] ___sys_sendmsg+0xee/0x170 [12001.487427][ T7704] __sys_sendmsg+0xcd/0x170 [12001.487427][ T7704] do_syscall_64+0xc6/0x1e0 [12001.487427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12001.487427][ T7704] [12001.489691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12001.489691][ T7704] netdev_get_by_index+0x5e/0x80 [12001.489691][ T7704] fib6_nh_init+0x3d8/0x15b0 [12001.489691][ T7704] ip6_route_info_create+0xf18/0x17d0 [12001.489691][ T7704] addrconf_f6i_alloc+0x315/0x560 [12001.489691][ T7704] ipv6_add_addr+0x411/0x2000 [12001.489691][ T7704] inet6_addr_add+0x30e/0xa40 [12001.489691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12001.489691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12001.489691][ T7704] netlink_rcv_skb+0x130/0x360 [12001.489691][ T7704] netlink_unicast+0x449/0x710 [12001.489691][ T7704] netlink_sendmsg+0x723/0xbe0 [12001.489691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12001.489691][ T7704] ___sys_sendmsg+0xee/0x170 [12001.489691][ T7704] __sys_sendmsg+0xcd/0x170 [12001.489691][ T7704] do_syscall_64+0xc6/0x1e0 [12001.489691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12001.489691][ T7704] [12001.491921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12001.491921][ T7704] netdev_get_by_index+0x5e/0x80 [12001.491921][ T7704] fib6_nh_init+0x3d8/0x15b0 [12001.491921][ T7704] ip6_route_info_create+0xf18/0x17d0 [12001.491921][ T7704] ip6_route_add+0x1c/0x140 [12001.491921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12001.491921][ T7704] addrconf_add_dev+0xe2/0x170 [12001.491921][ T7704] inet6_addr_add+0x12f/0xa40 [12001.491921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12001.491921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12001.491921][ T7704] netlink_rcv_skb+0x130/0x360 [12001.491921][ T7704] netlink_unicast+0x449/0x710 [12001.491921][ T7704] netlink_sendmsg+0x723/0xbe0 [12001.491921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12001.491921][ T7704] ___sys_sendmsg+0xee/0x170 [12001.491921][ T7704] __sys_sendmsg+0xcd/0x170 [12001.491921][ T7704] do_syscall_64+0xc6/0x1e0 [12001.491921][ T7704] [12001.494121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12001.494121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12001.494121][ T7704] ipv6_find_idev+0x102/0x170 [12001.494121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12001.494121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12001.494121][ T7704] netlink_rcv_skb+0x130/0x360 [12001.494121][ T7704] netlink_unicast+0x449/0x710 [12001.494121][ T7704] netlink_sendmsg+0x723/0xbe0 [12001.494121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12001.494121][ T7704] ___sys_sendmsg+0xee/0x170 [12001.494121][ T7704] __sys_sendmsg+0xcd/0x170 [12001.494121][ T7704] do_syscall_64+0xc6/0x1e0 [12001.494121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12001.494121][ T7704] [12001.495839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12001.495839][ T7704] neigh_parms_alloc+0x1e5/0x510 [12001.495839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12001.495839][ T7704] ipv6_find_idev+0x102/0x170 [12001.495839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12001.495839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12001.495839][ T7704] netlink_rcv_skb+0x130/0x360 [12001.495839][ T7704] netlink_unicast+0x449/0x710 [12001.495839][ T7704] netlink_sendmsg+0x723/0xbe0 [12001.495839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12001.495839][ T7704] ___sys_sendmsg+0xee/0x170 [12001.495839][ T7704] __sys_sendmsg+0xcd/0x170 [12001.495839][ T7704] do_syscall_64+0xc6/0x1e0 [12001.495839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12001.495839][ T7704] [12011.750968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12011.751494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12011.751494][ T7704] netdev_get_by_index+0x5e/0x80 [12011.751494][ T7704] fib6_nh_init+0x3d8/0x15b0 [12011.751494][ T7704] ip6_route_info_create+0xf18/0x17d0 [12011.751494][ T7704] ip6_route_add+0x1c/0x140 [12011.751494][ T7704] addrconf_prefix_route+0x2a6/0x430 [12011.751494][ T7704] inet6_addr_add+0x4f8/0xa40 [12011.751494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12011.751494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12011.751494][ T7704] netlink_rcv_skb+0x130/0x360 [12011.751494][ T7704] netlink_unicast+0x449/0x710 [12011.751494][ T7704] netlink_sendmsg+0x723/0xbe0 [12011.751494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12011.751494][ T7704] ___sys_sendmsg+0xee/0x170 [12011.751494][ T7704] __sys_sendmsg+0xcd/0x170 [12011.751494][ T7704] do_syscall_64+0xc6/0x1e0 [12011.751494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12011.751494][ T7704] [12011.753781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12011.753781][ T7704] netdev_get_by_index+0x5e/0x80 [12011.753781][ T7704] fib6_nh_init+0x3d8/0x15b0 [12011.753781][ T7704] ip6_route_info_create+0xf18/0x17d0 [12011.753781][ T7704] addrconf_f6i_alloc+0x315/0x560 [12011.753781][ T7704] ipv6_add_addr+0x411/0x2000 [12011.753781][ T7704] inet6_addr_add+0x30e/0xa40 [12011.753781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12011.753781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12011.753781][ T7704] netlink_rcv_skb+0x130/0x360 [12011.753781][ T7704] netlink_unicast+0x449/0x710 [12011.753781][ T7704] netlink_sendmsg+0x723/0xbe0 [12011.753781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12011.753781][ T7704] ___sys_sendmsg+0xee/0x170 [12011.753781][ T7704] __sys_sendmsg+0xcd/0x170 [12011.753781][ T7704] do_syscall_64+0xc6/0x1e0 [12011.753781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12011.753781][ T7704] [12011.756045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12011.756045][ T7704] netdev_get_by_index+0x5e/0x80 [12011.756045][ T7704] fib6_nh_init+0x3d8/0x15b0 [12011.756045][ T7704] ip6_route_info_create+0xf18/0x17d0 [12011.756045][ T7704] ip6_route_add+0x1c/0x140 [12011.756045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12011.756045][ T7704] addrconf_add_dev+0xe2/0x170 [12011.756045][ T7704] inet6_addr_add+0x12f/0xa40 [12011.756045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12011.756045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12011.756045][ T7704] netlink_rcv_skb+0x130/0x360 [12011.756045][ T7704] netlink_unicast+0x449/0x710 [12011.756045][ T7704] netlink_sendmsg+0x723/0xbe0 [12011.756045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12011.756045][ T7704] ___sys_sendmsg+0xee/0x170 [12011.756045][ T7704] __sys_sendmsg+0xcd/0x170 [12011.756045][ T7704] do_syscall_64+0xc6/0x1e0 [12011.756045][ T7704] [12011.758260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12011.758260][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12011.758260][ T7704] ipv6_find_idev+0x102/0x170 [12011.758260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12011.758260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12011.758260][ T7704] netlink_rcv_skb+0x130/0x360 [12011.758260][ T7704] netlink_unicast+0x449/0x710 [12011.758260][ T7704] netlink_sendmsg+0x723/0xbe0 [12011.758260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12011.758260][ T7704] ___sys_sendmsg+0xee/0x170 [12011.758260][ T7704] __sys_sendmsg+0xcd/0x170 [12011.758260][ T7704] do_syscall_64+0xc6/0x1e0 [12011.758260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12011.758260][ T7704] [12011.759988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12011.759988][ T7704] neigh_parms_alloc+0x1e5/0x510 [12011.759988][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12011.759988][ T7704] ipv6_find_idev+0x102/0x170 [12011.759988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12011.759988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12011.759988][ T7704] netlink_rcv_skb+0x130/0x360 [12011.759988][ T7704] netlink_unicast+0x449/0x710 [12011.759988][ T7704] netlink_sendmsg+0x723/0xbe0 [12011.759988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12011.759988][ T7704] ___sys_sendmsg+0xee/0x170 [12011.759988][ T7704] __sys_sendmsg+0xcd/0x170 [12011.759988][ T7704] do_syscall_64+0xc6/0x1e0 [12011.759988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12011.759988][ T7704] [12022.014952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12022.015469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12022.015469][ T7704] netdev_get_by_index+0x5e/0x80 [12022.015469][ T7704] fib6_nh_init+0x3d8/0x15b0 [12022.015469][ T7704] ip6_route_info_create+0xf18/0x17d0 [12022.015469][ T7704] ip6_route_add+0x1c/0x140 [12022.015469][ T7704] addrconf_prefix_route+0x2a6/0x430 [12022.015469][ T7704] inet6_addr_add+0x4f8/0xa40 [12022.015469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12022.015469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12022.015469][ T7704] netlink_rcv_skb+0x130/0x360 [12022.015469][ T7704] netlink_unicast+0x449/0x710 [12022.015469][ T7704] netlink_sendmsg+0x723/0xbe0 [12022.015469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12022.015469][ T7704] ___sys_sendmsg+0xee/0x170 [12022.015469][ T7704] __sys_sendmsg+0xcd/0x170 [12022.015469][ T7704] do_syscall_64+0xc6/0x1e0 [12022.015469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12022.015469][ T7704] [12022.017744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12022.017744][ T7704] netdev_get_by_index+0x5e/0x80 [12022.017744][ T7704] fib6_nh_init+0x3d8/0x15b0 [12022.017744][ T7704] ip6_route_info_create+0xf18/0x17d0 [12022.017744][ T7704] addrconf_f6i_alloc+0x315/0x560 [12022.017744][ T7704] ipv6_add_addr+0x411/0x2000 [12022.017744][ T7704] inet6_addr_add+0x30e/0xa40 [12022.017744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12022.017744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12022.017744][ T7704] netlink_rcv_skb+0x130/0x360 [12022.017744][ T7704] netlink_unicast+0x449/0x710 [12022.017744][ T7704] netlink_sendmsg+0x723/0xbe0 [12022.017744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12022.017744][ T7704] ___sys_sendmsg+0xee/0x170 [12022.017744][ T7704] __sys_sendmsg+0xcd/0x170 [12022.017744][ T7704] do_syscall_64+0xc6/0x1e0 [12022.017744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12022.017744][ T7704] [12022.020174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12022.020174][ T7704] netdev_get_by_index+0x5e/0x80 [12022.020174][ T7704] fib6_nh_init+0x3d8/0x15b0 [12022.020174][ T7704] ip6_route_info_create+0xf18/0x17d0 [12022.020174][ T7704] ip6_route_add+0x1c/0x140 [12022.020174][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12022.020174][ T7704] addrconf_add_dev+0xe2/0x170 [12022.020174][ T7704] inet6_addr_add+0x12f/0xa40 [12022.020174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12022.020174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12022.020174][ T7704] netlink_rcv_skb+0x130/0x360 [12022.020174][ T7704] netlink_unicast+0x449/0x710 [12022.020174][ T7704] netlink_sendmsg+0x723/0xbe0 [12022.020174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12022.020174][ T7704] ___sys_sendmsg+0xee/0x170 [12022.020174][ T7704] __sys_sendmsg+0xcd/0x170 [12022.020174][ T7704] do_syscall_64+0xc6/0x1e0 [12022.020174][ T7704] [12022.022479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12022.022479][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12022.022479][ T7704] ipv6_find_idev+0x102/0x170 [12022.022479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12022.022479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12022.022479][ T7704] netlink_rcv_skb+0x130/0x360 [12022.022479][ T7704] netlink_unicast+0x449/0x710 [12022.022479][ T7704] netlink_sendmsg+0x723/0xbe0 [12022.022479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12022.022479][ T7704] ___sys_sendmsg+0xee/0x170 [12022.022479][ T7704] __sys_sendmsg+0xcd/0x170 [12022.022479][ T7704] do_syscall_64+0xc6/0x1e0 [12022.022479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12022.022479][ T7704] [12022.024291][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12022.024291][ T7704] neigh_parms_alloc+0x1e5/0x510 [12022.024291][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12022.024291][ T7704] ipv6_find_idev+0x102/0x170 [12022.024291][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12022.024291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12022.024291][ T7704] netlink_rcv_skb+0x130/0x360 [12022.024291][ T7704] netlink_unicast+0x449/0x710 [12022.024291][ T7704] netlink_sendmsg+0x723/0xbe0 [12022.024291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12022.024291][ T7704] ___sys_sendmsg+0xee/0x170 [12022.024291][ T7704] __sys_sendmsg+0xcd/0x170 [12022.024291][ T7704] do_syscall_64+0xc6/0x1e0 [12022.024291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12022.024291][ T7704] [12032.278992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12032.279536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12032.279536][ T7704] netdev_get_by_index+0x5e/0x80 [12032.279536][ T7704] fib6_nh_init+0x3d8/0x15b0 [12032.279536][ T7704] ip6_route_info_create+0xf18/0x17d0 [12032.279536][ T7704] ip6_route_add+0x1c/0x140 [12032.279536][ T7704] addrconf_prefix_route+0x2a6/0x430 [12032.279536][ T7704] inet6_addr_add+0x4f8/0xa40 [12032.279536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12032.279536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12032.279536][ T7704] netlink_rcv_skb+0x130/0x360 [12032.279536][ T7704] netlink_unicast+0x449/0x710 [12032.279536][ T7704] netlink_sendmsg+0x723/0xbe0 [12032.279536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12032.279536][ T7704] ___sys_sendmsg+0xee/0x170 [12032.279536][ T7704] __sys_sendmsg+0xcd/0x170 [12032.279536][ T7704] do_syscall_64+0xc6/0x1e0 [12032.279536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12032.279536][ T7704] [12032.281901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12032.281901][ T7704] netdev_get_by_index+0x5e/0x80 [12032.281901][ T7704] fib6_nh_init+0x3d8/0x15b0 [12032.281901][ T7704] ip6_route_info_create+0xf18/0x17d0 [12032.281901][ T7704] addrconf_f6i_alloc+0x315/0x560 [12032.281901][ T7704] ipv6_add_addr+0x411/0x2000 [12032.281901][ T7704] inet6_addr_add+0x30e/0xa40 [12032.281901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12032.281901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12032.281901][ T7704] netlink_rcv_skb+0x130/0x360 [12032.281901][ T7704] netlink_unicast+0x449/0x710 [12032.281901][ T7704] netlink_sendmsg+0x723/0xbe0 [12032.281901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12032.281901][ T7704] ___sys_sendmsg+0xee/0x170 [12032.281901][ T7704] __sys_sendmsg+0xcd/0x170 [12032.281901][ T7704] do_syscall_64+0xc6/0x1e0 [12032.281901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12032.281901][ T7704] [12032.284251][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12032.284251][ T7704] netdev_get_by_index+0x5e/0x80 [12032.284251][ T7704] fib6_nh_init+0x3d8/0x15b0 [12032.284251][ T7704] ip6_route_info_create+0xf18/0x17d0 [12032.284251][ T7704] ip6_route_add+0x1c/0x140 [12032.284251][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12032.284251][ T7704] addrconf_add_dev+0xe2/0x170 [12032.284251][ T7704] inet6_addr_add+0x12f/0xa40 [12032.284251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12032.284251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12032.284251][ T7704] netlink_rcv_skb+0x130/0x360 [12032.284251][ T7704] netlink_unicast+0x449/0x710 [12032.284251][ T7704] netlink_sendmsg+0x723/0xbe0 [12032.284251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12032.284251][ T7704] ___sys_sendmsg+0xee/0x170 [12032.284251][ T7704] __sys_sendmsg+0xcd/0x170 [12032.284251][ T7704] do_syscall_64+0xc6/0x1e0 [12032.284251][ T7704] [12032.286566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12032.286566][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12032.286566][ T7704] ipv6_find_idev+0x102/0x170 [12032.286566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12032.286566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12032.286566][ T7704] netlink_rcv_skb+0x130/0x360 [12032.286566][ T7704] netlink_unicast+0x449/0x710 [12032.286566][ T7704] netlink_sendmsg+0x723/0xbe0 [12032.286566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12032.286566][ T7704] ___sys_sendmsg+0xee/0x170 [12032.286566][ T7704] __sys_sendmsg+0xcd/0x170 [12032.286566][ T7704] do_syscall_64+0xc6/0x1e0 [12032.286566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12032.286566][ T7704] [12032.288367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12032.288367][ T7704] neigh_parms_alloc+0x1e5/0x510 [12032.288367][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12032.288367][ T7704] ipv6_find_idev+0x102/0x170 [12032.288367][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12032.288367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12032.288367][ T7704] netlink_rcv_skb+0x130/0x360 [12032.288367][ T7704] netlink_unicast+0x449/0x710 [12032.288367][ T7704] netlink_sendmsg+0x723/0xbe0 [12032.288367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12032.288367][ T7704] ___sys_sendmsg+0xee/0x170 [12032.288367][ T7704] __sys_sendmsg+0xcd/0x170 [12032.288367][ T7704] do_syscall_64+0xc6/0x1e0 [12032.288367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12032.288367][ T7704] [12042.542935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12042.543404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12042.543404][ T7704] netdev_get_by_index+0x5e/0x80 [12042.543404][ T7704] fib6_nh_init+0x3d8/0x15b0 [12042.543404][ T7704] ip6_route_info_create+0xf18/0x17d0 [12042.543404][ T7704] ip6_route_add+0x1c/0x140 [12042.543404][ T7704] addrconf_prefix_route+0x2a6/0x430 [12042.543404][ T7704] inet6_addr_add+0x4f8/0xa40 [12042.543404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12042.543404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12042.543404][ T7704] netlink_rcv_skb+0x130/0x360 [12042.543404][ T7704] netlink_unicast+0x449/0x710 [12042.543404][ T7704] netlink_sendmsg+0x723/0xbe0 [12042.543404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12042.543404][ T7704] ___sys_sendmsg+0xee/0x170 [12042.543404][ T7704] __sys_sendmsg+0xcd/0x170 [12042.543404][ T7704] do_syscall_64+0xc6/0x1e0 [12042.543404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12042.543404][ T7704] [12042.545800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12042.545800][ T7704] netdev_get_by_index+0x5e/0x80 [12042.545800][ T7704] fib6_nh_init+0x3d8/0x15b0 [12042.545800][ T7704] ip6_route_info_create+0xf18/0x17d0 [12042.545800][ T7704] addrconf_f6i_alloc+0x315/0x560 [12042.545800][ T7704] ipv6_add_addr+0x411/0x2000 [12042.545800][ T7704] inet6_addr_add+0x30e/0xa40 [12042.545800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12042.545800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12042.545800][ T7704] netlink_rcv_skb+0x130/0x360 [12042.545800][ T7704] netlink_unicast+0x449/0x710 [12042.545800][ T7704] netlink_sendmsg+0x723/0xbe0 [12042.545800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12042.545800][ T7704] ___sys_sendmsg+0xee/0x170 [12042.545800][ T7704] __sys_sendmsg+0xcd/0x170 [12042.545800][ T7704] do_syscall_64+0xc6/0x1e0 [12042.545800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12042.545800][ T7704] [12042.548160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12042.548160][ T7704] netdev_get_by_index+0x5e/0x80 [12042.548160][ T7704] fib6_nh_init+0x3d8/0x15b0 [12042.548160][ T7704] ip6_route_info_create+0xf18/0x17d0 [12042.548160][ T7704] ip6_route_add+0x1c/0x140 [12042.548160][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12042.548160][ T7704] addrconf_add_dev+0xe2/0x170 [12042.548160][ T7704] inet6_addr_add+0x12f/0xa40 [12042.548160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12042.548160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12042.548160][ T7704] netlink_rcv_skb+0x130/0x360 [12042.548160][ T7704] netlink_unicast+0x449/0x710 [12042.548160][ T7704] netlink_sendmsg+0x723/0xbe0 [12042.548160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12042.548160][ T7704] ___sys_sendmsg+0xee/0x170 [12042.548160][ T7704] __sys_sendmsg+0xcd/0x170 [12042.548160][ T7704] do_syscall_64+0xc6/0x1e0 [12042.548160][ T7704] [12042.550461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12042.550461][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12042.550461][ T7704] ipv6_find_idev+0x102/0x170 [12042.550461][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12042.550461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12042.550461][ T7704] netlink_rcv_skb+0x130/0x360 [12042.550461][ T7704] netlink_unicast+0x449/0x710 [12042.550461][ T7704] netlink_sendmsg+0x723/0xbe0 [12042.550461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12042.550461][ T7704] ___sys_sendmsg+0xee/0x170 [12042.550461][ T7704] __sys_sendmsg+0xcd/0x170 [12042.550461][ T7704] do_syscall_64+0xc6/0x1e0 [12042.550461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12042.550461][ T7704] [12042.552263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12042.552263][ T7704] neigh_parms_alloc+0x1e5/0x510 [12042.552263][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12042.552263][ T7704] ipv6_find_idev+0x102/0x170 [12042.552263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12042.552263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12042.552263][ T7704] netlink_rcv_skb+0x130/0x360 [12042.552263][ T7704] netlink_unicast+0x449/0x710 [12042.552263][ T7704] netlink_sendmsg+0x723/0xbe0 [12042.552263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12042.552263][ T7704] ___sys_sendmsg+0xee/0x170 [12042.552263][ T7704] __sys_sendmsg+0xcd/0x170 [12042.552263][ T7704] do_syscall_64+0xc6/0x1e0 [12042.552263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12042.552263][ T7704] [12052.806952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12052.807493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12052.807493][ T7704] netdev_get_by_index+0x5e/0x80 [12052.807493][ T7704] fib6_nh_init+0x3d8/0x15b0 [12052.807493][ T7704] ip6_route_info_create+0xf18/0x17d0 [12052.807493][ T7704] ip6_route_add+0x1c/0x140 [12052.807493][ T7704] addrconf_prefix_route+0x2a6/0x430 [12052.807493][ T7704] inet6_addr_add+0x4f8/0xa40 [12052.807493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12052.807493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12052.807493][ T7704] netlink_rcv_skb+0x130/0x360 [12052.807493][ T7704] netlink_unicast+0x449/0x710 [12052.807493][ T7704] netlink_sendmsg+0x723/0xbe0 [12052.807493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12052.807493][ T7704] ___sys_sendmsg+0xee/0x170 [12052.807493][ T7704] __sys_sendmsg+0xcd/0x170 [12052.807493][ T7704] do_syscall_64+0xc6/0x1e0 [12052.807493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12052.807493][ T7704] [12052.809849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12052.809849][ T7704] netdev_get_by_index+0x5e/0x80 [12052.809849][ T7704] fib6_nh_init+0x3d8/0x15b0 [12052.809849][ T7704] ip6_route_info_create+0xf18/0x17d0 [12052.809849][ T7704] addrconf_f6i_alloc+0x315/0x560 [12052.809849][ T7704] ipv6_add_addr+0x411/0x2000 [12052.809849][ T7704] inet6_addr_add+0x30e/0xa40 [12052.809849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12052.809849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12052.809849][ T7704] netlink_rcv_skb+0x130/0x360 [12052.809849][ T7704] netlink_unicast+0x449/0x710 [12052.809849][ T7704] netlink_sendmsg+0x723/0xbe0 [12052.809849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12052.809849][ T7704] ___sys_sendmsg+0xee/0x170 [12052.809849][ T7704] __sys_sendmsg+0xcd/0x170 [12052.809849][ T7704] do_syscall_64+0xc6/0x1e0 [12052.809849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12052.809849][ T7704] [12052.812188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12052.812188][ T7704] netdev_get_by_index+0x5e/0x80 [12052.812188][ T7704] fib6_nh_init+0x3d8/0x15b0 [12052.812188][ T7704] ip6_route_info_create+0xf18/0x17d0 [12052.812188][ T7704] ip6_route_add+0x1c/0x140 [12052.812188][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12052.812188][ T7704] addrconf_add_dev+0xe2/0x170 [12052.812188][ T7704] inet6_addr_add+0x12f/0xa40 [12052.812188][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12052.812188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12052.812188][ T7704] netlink_rcv_skb+0x130/0x360 [12052.812188][ T7704] netlink_unicast+0x449/0x710 [12052.812188][ T7704] netlink_sendmsg+0x723/0xbe0 [12052.812188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12052.812188][ T7704] ___sys_sendmsg+0xee/0x170 [12052.812188][ T7704] __sys_sendmsg+0xcd/0x170 [12052.812188][ T7704] do_syscall_64+0xc6/0x1e0 [12052.812188][ T7704] [12052.814765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12052.814765][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12052.814765][ T7704] ipv6_find_idev+0x102/0x170 [12052.814765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12052.814765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12052.814765][ T7704] netlink_rcv_skb+0x130/0x360 [12052.814765][ T7704] netlink_unicast+0x449/0x710 [12052.814765][ T7704] netlink_sendmsg+0x723/0xbe0 [12052.814765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12052.814765][ T7704] ___sys_sendmsg+0xee/0x170 [12052.814765][ T7704] __sys_sendmsg+0xcd/0x170 [12052.814765][ T7704] do_syscall_64+0xc6/0x1e0 [12052.814765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12052.814765][ T7704] [12052.816562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12052.816562][ T7704] neigh_parms_alloc+0x1e5/0x510 [12052.816562][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12052.816562][ T7704] ipv6_find_idev+0x102/0x170 [12052.816562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12052.816562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12052.816562][ T7704] netlink_rcv_skb+0x130/0x360 [12052.816562][ T7704] netlink_unicast+0x449/0x710 [12052.816562][ T7704] netlink_sendmsg+0x723/0xbe0 [12052.816562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12052.816562][ T7704] ___sys_sendmsg+0xee/0x170 [12052.816562][ T7704] __sys_sendmsg+0xcd/0x170 [12052.816562][ T7704] do_syscall_64+0xc6/0x1e0 [12052.816562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12052.816562][ T7704] [12063.070979][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12063.071494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12063.071494][ T7704] netdev_get_by_index+0x5e/0x80 [12063.071494][ T7704] fib6_nh_init+0x3d8/0x15b0 [12063.071494][ T7704] ip6_route_info_create+0xf18/0x17d0 [12063.071494][ T7704] ip6_route_add+0x1c/0x140 [12063.071494][ T7704] addrconf_prefix_route+0x2a6/0x430 [12063.071494][ T7704] inet6_addr_add+0x4f8/0xa40 [12063.071494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12063.071494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12063.071494][ T7704] netlink_rcv_skb+0x130/0x360 [12063.071494][ T7704] netlink_unicast+0x449/0x710 [12063.071494][ T7704] netlink_sendmsg+0x723/0xbe0 [12063.071494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12063.071494][ T7704] ___sys_sendmsg+0xee/0x170 [12063.071494][ T7704] __sys_sendmsg+0xcd/0x170 [12063.071494][ T7704] do_syscall_64+0xc6/0x1e0 [12063.071494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12063.071494][ T7704] [12063.074086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12063.074086][ T7704] netdev_get_by_index+0x5e/0x80 [12063.074086][ T7704] fib6_nh_init+0x3d8/0x15b0 [12063.074086][ T7704] ip6_route_info_create+0xf18/0x17d0 [12063.074086][ T7704] addrconf_f6i_alloc+0x315/0x560 [12063.074086][ T7704] ipv6_add_addr+0x411/0x2000 [12063.074086][ T7704] inet6_addr_add+0x30e/0xa40 [12063.074086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12063.074086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12063.074086][ T7704] netlink_rcv_skb+0x130/0x360 [12063.074086][ T7704] netlink_unicast+0x449/0x710 [12063.074086][ T7704] netlink_sendmsg+0x723/0xbe0 [12063.074086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12063.074086][ T7704] ___sys_sendmsg+0xee/0x170 [12063.074086][ T7704] __sys_sendmsg+0xcd/0x170 [12063.074086][ T7704] do_syscall_64+0xc6/0x1e0 [12063.074086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12063.074086][ T7704] [12063.076614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12063.076614][ T7704] netdev_get_by_index+0x5e/0x80 [12063.076614][ T7704] fib6_nh_init+0x3d8/0x15b0 [12063.076614][ T7704] ip6_route_info_create+0xf18/0x17d0 [12063.076614][ T7704] ip6_route_add+0x1c/0x140 [12063.076614][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12063.076614][ T7704] addrconf_add_dev+0xe2/0x170 [12063.076614][ T7704] inet6_addr_add+0x12f/0xa40 [12063.076614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12063.076614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12063.076614][ T7704] netlink_rcv_skb+0x130/0x360 [12063.076614][ T7704] netlink_unicast+0x449/0x710 [12063.076614][ T7704] netlink_sendmsg+0x723/0xbe0 [12063.076614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12063.076614][ T7704] ___sys_sendmsg+0xee/0x170 [12063.076614][ T7704] __sys_sendmsg+0xcd/0x170 [12063.076614][ T7704] do_syscall_64+0xc6/0x1e0 [12063.076614][ T7704] [12063.079188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12063.079188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12063.079188][ T7704] ipv6_find_idev+0x102/0x170 [12063.079188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12063.079188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12063.079188][ T7704] netlink_rcv_skb+0x130/0x360 [12063.079188][ T7704] netlink_unicast+0x449/0x710 [12063.079188][ T7704] netlink_sendmsg+0x723/0xbe0 [12063.079188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12063.079188][ T7704] ___sys_sendmsg+0xee/0x170 [12063.079188][ T7704] __sys_sendmsg+0xcd/0x170 [12063.079188][ T7704] do_syscall_64+0xc6/0x1e0 [12063.079188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12063.079188][ T7704] [12063.081198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12063.081198][ T7704] neigh_parms_alloc+0x1e5/0x510 [12063.081198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12063.081198][ T7704] ipv6_find_idev+0x102/0x170 [12063.081198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12063.081198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12063.081198][ T7704] netlink_rcv_skb+0x130/0x360 [12063.081198][ T7704] netlink_unicast+0x449/0x710 [12063.081198][ T7704] netlink_sendmsg+0x723/0xbe0 [12063.081198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12063.081198][ T7704] ___sys_sendmsg+0xee/0x170 [12063.081198][ T7704] __sys_sendmsg+0xcd/0x170 [12063.081198][ T7704] do_syscall_64+0xc6/0x1e0 [12063.081198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12063.081198][ T7704] [12073.118967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12073.119492][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12073.119492][ T7704] netdev_get_by_index+0x5e/0x80 [12073.119492][ T7704] fib6_nh_init+0x3d8/0x15b0 [12073.119492][ T7704] ip6_route_info_create+0xf18/0x17d0 [12073.119492][ T7704] ip6_route_add+0x1c/0x140 [12073.119492][ T7704] addrconf_prefix_route+0x2a6/0x430 [12073.119492][ T7704] inet6_addr_add+0x4f8/0xa40 [12073.119492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12073.119492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12073.119492][ T7704] netlink_rcv_skb+0x130/0x360 [12073.119492][ T7704] netlink_unicast+0x449/0x710 [12073.119492][ T7704] netlink_sendmsg+0x723/0xbe0 [12073.119492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12073.119492][ T7704] ___sys_sendmsg+0xee/0x170 [12073.119492][ T7704] __sys_sendmsg+0xcd/0x170 [12073.119492][ T7704] do_syscall_64+0xc6/0x1e0 [12073.119492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12073.119492][ T7704] [12073.121866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12073.121866][ T7704] netdev_get_by_index+0x5e/0x80 [12073.121866][ T7704] fib6_nh_init+0x3d8/0x15b0 [12073.121866][ T7704] ip6_route_info_create+0xf18/0x17d0 [12073.121866][ T7704] addrconf_f6i_alloc+0x315/0x560 [12073.121866][ T7704] ipv6_add_addr+0x411/0x2000 [12073.121866][ T7704] inet6_addr_add+0x30e/0xa40 [12073.121866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12073.121866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12073.121866][ T7704] netlink_rcv_skb+0x130/0x360 [12073.121866][ T7704] netlink_unicast+0x449/0x710 [12073.121866][ T7704] netlink_sendmsg+0x723/0xbe0 [12073.121866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12073.121866][ T7704] ___sys_sendmsg+0xee/0x170 [12073.121866][ T7704] __sys_sendmsg+0xcd/0x170 [12073.121866][ T7704] do_syscall_64+0xc6/0x1e0 [12073.121866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12073.121866][ T7704] [12073.124207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12073.124207][ T7704] netdev_get_by_index+0x5e/0x80 [12073.124207][ T7704] fib6_nh_init+0x3d8/0x15b0 [12073.124207][ T7704] ip6_route_info_create+0xf18/0x17d0 [12073.124207][ T7704] ip6_route_add+0x1c/0x140 [12073.124207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12073.124207][ T7704] addrconf_add_dev+0xe2/0x170 [12073.124207][ T7704] inet6_addr_add+0x12f/0xa40 [12073.124207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12073.124207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12073.124207][ T7704] netlink_rcv_skb+0x130/0x360 [12073.124207][ T7704] netlink_unicast+0x449/0x710 [12073.124207][ T7704] netlink_sendmsg+0x723/0xbe0 [12073.124207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12073.124207][ T7704] ___sys_sendmsg+0xee/0x170 [12073.124207][ T7704] __sys_sendmsg+0xcd/0x170 [12073.124207][ T7704] do_syscall_64+0xc6/0x1e0 [12073.124207][ T7704] [12073.126505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12073.126505][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12073.126505][ T7704] ipv6_find_idev+0x102/0x170 [12073.126505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12073.126505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12073.126505][ T7704] netlink_rcv_skb+0x130/0x360 [12073.126505][ T7704] netlink_unicast+0x449/0x710 [12073.126505][ T7704] netlink_sendmsg+0x723/0xbe0 [12073.126505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12073.126505][ T7704] ___sys_sendmsg+0xee/0x170 [12073.126505][ T7704] __sys_sendmsg+0xcd/0x170 [12073.126505][ T7704] do_syscall_64+0xc6/0x1e0 [12073.126505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12073.126505][ T7704] [12073.128301][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12073.128301][ T7704] neigh_parms_alloc+0x1e5/0x510 [12073.128301][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12073.128301][ T7704] ipv6_find_idev+0x102/0x170 [12073.128301][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12073.128301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12073.128301][ T7704] netlink_rcv_skb+0x130/0x360 [12073.128301][ T7704] netlink_unicast+0x449/0x710 [12073.128301][ T7704] netlink_sendmsg+0x723/0xbe0 [12073.128301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12073.128301][ T7704] ___sys_sendmsg+0xee/0x170 [12073.128301][ T7704] __sys_sendmsg+0xcd/0x170 [12073.128301][ T7704] do_syscall_64+0xc6/0x1e0 [12073.128301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12073.128301][ T7704] [12083.366941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12083.367475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12083.367475][ T7704] netdev_get_by_index+0x5e/0x80 [12083.367475][ T7704] fib6_nh_init+0x3d8/0x15b0 [12083.367475][ T7704] ip6_route_info_create+0xf18/0x17d0 [12083.367475][ T7704] ip6_route_add+0x1c/0x140 [12083.367475][ T7704] addrconf_prefix_route+0x2a6/0x430 [12083.367475][ T7704] inet6_addr_add+0x4f8/0xa40 [12083.367475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12083.367475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12083.367475][ T7704] netlink_rcv_skb+0x130/0x360 [12083.367475][ T7704] netlink_unicast+0x449/0x710 [12083.367475][ T7704] netlink_sendmsg+0x723/0xbe0 [12083.367475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12083.367475][ T7704] ___sys_sendmsg+0xee/0x170 [12083.367475][ T7704] __sys_sendmsg+0xcd/0x170 [12083.367475][ T7704] do_syscall_64+0xc6/0x1e0 [12083.367475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12083.367475][ T7704] [12083.369845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12083.369845][ T7704] netdev_get_by_index+0x5e/0x80 [12083.369845][ T7704] fib6_nh_init+0x3d8/0x15b0 [12083.369845][ T7704] ip6_route_info_create+0xf18/0x17d0 [12083.369845][ T7704] addrconf_f6i_alloc+0x315/0x560 [12083.369845][ T7704] ipv6_add_addr+0x411/0x2000 [12083.369845][ T7704] inet6_addr_add+0x30e/0xa40 [12083.369845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12083.369845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12083.369845][ T7704] netlink_rcv_skb+0x130/0x360 [12083.369845][ T7704] netlink_unicast+0x449/0x710 [12083.369845][ T7704] netlink_sendmsg+0x723/0xbe0 [12083.369845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12083.369845][ T7704] ___sys_sendmsg+0xee/0x170 [12083.369845][ T7704] __sys_sendmsg+0xcd/0x170 [12083.369845][ T7704] do_syscall_64+0xc6/0x1e0 [12083.369845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12083.369845][ T7704] [12083.372188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12083.372188][ T7704] netdev_get_by_index+0x5e/0x80 [12083.372188][ T7704] fib6_nh_init+0x3d8/0x15b0 [12083.372188][ T7704] ip6_route_info_create+0xf18/0x17d0 [12083.372188][ T7704] ip6_route_add+0x1c/0x140 [12083.372188][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12083.372188][ T7704] addrconf_add_dev+0xe2/0x170 [12083.372188][ T7704] inet6_addr_add+0x12f/0xa40 [12083.372188][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12083.372188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12083.372188][ T7704] netlink_rcv_skb+0x130/0x360 [12083.372188][ T7704] netlink_unicast+0x449/0x710 [12083.372188][ T7704] netlink_sendmsg+0x723/0xbe0 [12083.372188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12083.372188][ T7704] ___sys_sendmsg+0xee/0x170 [12083.372188][ T7704] __sys_sendmsg+0xcd/0x170 [12083.372188][ T7704] do_syscall_64+0xc6/0x1e0 [12083.372188][ T7704] [12083.374522][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12083.374522][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12083.374522][ T7704] ipv6_find_idev+0x102/0x170 [12083.374522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12083.374522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12083.374522][ T7704] netlink_rcv_skb+0x130/0x360 [12083.374522][ T7704] netlink_unicast+0x449/0x710 [12083.374522][ T7704] netlink_sendmsg+0x723/0xbe0 [12083.374522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12083.374522][ T7704] ___sys_sendmsg+0xee/0x170 [12083.374522][ T7704] __sys_sendmsg+0xcd/0x170 [12083.374522][ T7704] do_syscall_64+0xc6/0x1e0 [12083.374522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12083.374522][ T7704] [12083.376323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12083.376323][ T7704] neigh_parms_alloc+0x1e5/0x510 [12083.376323][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12083.376323][ T7704] ipv6_find_idev+0x102/0x170 [12083.376323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12083.376323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12083.376323][ T7704] netlink_rcv_skb+0x130/0x360 [12083.376323][ T7704] netlink_unicast+0x449/0x710 [12083.376323][ T7704] netlink_sendmsg+0x723/0xbe0 [12083.376323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12083.376323][ T7704] ___sys_sendmsg+0xee/0x170 [12083.376323][ T7704] __sys_sendmsg+0xcd/0x170 [12083.376323][ T7704] do_syscall_64+0xc6/0x1e0 [12083.376323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12083.376323][ T7704] [12093.614977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12093.615512][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12093.615512][ T7704] netdev_get_by_index+0x5e/0x80 [12093.615512][ T7704] fib6_nh_init+0x3d8/0x15b0 [12093.615512][ T7704] ip6_route_info_create+0xf18/0x17d0 [12093.615512][ T7704] ip6_route_add+0x1c/0x140 [12093.615512][ T7704] addrconf_prefix_route+0x2a6/0x430 [12093.615512][ T7704] inet6_addr_add+0x4f8/0xa40 [12093.615512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12093.615512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12093.615512][ T7704] netlink_rcv_skb+0x130/0x360 [12093.615512][ T7704] netlink_unicast+0x449/0x710 [12093.615512][ T7704] netlink_sendmsg+0x723/0xbe0 [12093.615512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12093.615512][ T7704] ___sys_sendmsg+0xee/0x170 [12093.615512][ T7704] __sys_sendmsg+0xcd/0x170 [12093.615512][ T7704] do_syscall_64+0xc6/0x1e0 [12093.615512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12093.615512][ T7704] [12093.617943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12093.617943][ T7704] netdev_get_by_index+0x5e/0x80 [12093.617943][ T7704] fib6_nh_init+0x3d8/0x15b0 [12093.617943][ T7704] ip6_route_info_create+0xf18/0x17d0 [12093.617943][ T7704] addrconf_f6i_alloc+0x315/0x560 [12093.617943][ T7704] ipv6_add_addr+0x411/0x2000 [12093.617943][ T7704] inet6_addr_add+0x30e/0xa40 [12093.617943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12093.617943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12093.617943][ T7704] netlink_rcv_skb+0x130/0x360 [12093.617943][ T7704] netlink_unicast+0x449/0x710 [12093.617943][ T7704] netlink_sendmsg+0x723/0xbe0 [12093.617943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12093.617943][ T7704] ___sys_sendmsg+0xee/0x170 [12093.617943][ T7704] __sys_sendmsg+0xcd/0x170 [12093.617943][ T7704] do_syscall_64+0xc6/0x1e0 [12093.617943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12093.617943][ T7704] [12093.620195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12093.620195][ T7704] netdev_get_by_index+0x5e/0x80 [12093.620195][ T7704] fib6_nh_init+0x3d8/0x15b0 [12093.620195][ T7704] ip6_route_info_create+0xf18/0x17d0 [12093.620195][ T7704] ip6_route_add+0x1c/0x140 [12093.620195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12093.620195][ T7704] addrconf_add_dev+0xe2/0x170 [12093.620195][ T7704] inet6_addr_add+0x12f/0xa40 [12093.620195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12093.620195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12093.620195][ T7704] netlink_rcv_skb+0x130/0x360 [12093.620195][ T7704] netlink_unicast+0x449/0x710 [12093.620195][ T7704] netlink_sendmsg+0x723/0xbe0 [12093.620195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12093.620195][ T7704] ___sys_sendmsg+0xee/0x170 [12093.620195][ T7704] __sys_sendmsg+0xcd/0x170 [12093.620195][ T7704] do_syscall_64+0xc6/0x1e0 [12093.620195][ T7704] [12093.622408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12093.622408][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12093.622408][ T7704] ipv6_find_idev+0x102/0x170 [12093.622408][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12093.622408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12093.622408][ T7704] netlink_rcv_skb+0x130/0x360 [12093.622408][ T7704] netlink_unicast+0x449/0x710 [12093.622408][ T7704] netlink_sendmsg+0x723/0xbe0 [12093.622408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12093.622408][ T7704] ___sys_sendmsg+0xee/0x170 [12093.622408][ T7704] __sys_sendmsg+0xcd/0x170 [12093.622408][ T7704] do_syscall_64+0xc6/0x1e0 [12093.622408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12093.622408][ T7704] [12093.624146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12093.624146][ T7704] neigh_parms_alloc+0x1e5/0x510 [12093.624146][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12093.624146][ T7704] ipv6_find_idev+0x102/0x170 [12093.624146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12093.624146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12093.624146][ T7704] netlink_rcv_skb+0x130/0x360 [12093.624146][ T7704] netlink_unicast+0x449/0x710 [12093.624146][ T7704] netlink_sendmsg+0x723/0xbe0 [12093.624146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12093.624146][ T7704] ___sys_sendmsg+0xee/0x170 [12093.624146][ T7704] __sys_sendmsg+0xcd/0x170 [12093.624146][ T7704] do_syscall_64+0xc6/0x1e0 [12093.624146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12093.624146][ T7704] [12103.862948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12103.863389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12103.863389][ T7704] netdev_get_by_index+0x5e/0x80 [12103.863389][ T7704] fib6_nh_init+0x3d8/0x15b0 [12103.863389][ T7704] ip6_route_info_create+0xf18/0x17d0 [12103.863389][ T7704] ip6_route_add+0x1c/0x140 [12103.863389][ T7704] addrconf_prefix_route+0x2a6/0x430 [12103.863389][ T7704] inet6_addr_add+0x4f8/0xa40 [12103.863389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12103.863389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12103.863389][ T7704] netlink_rcv_skb+0x130/0x360 [12103.863389][ T7704] netlink_unicast+0x449/0x710 [12103.863389][ T7704] netlink_sendmsg+0x723/0xbe0 [12103.863389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12103.863389][ T7704] ___sys_sendmsg+0xee/0x170 [12103.863389][ T7704] __sys_sendmsg+0xcd/0x170 [12103.863389][ T7704] do_syscall_64+0xc6/0x1e0 [12103.863389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12103.863389][ T7704] [12103.865733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12103.865733][ T7704] netdev_get_by_index+0x5e/0x80 [12103.865733][ T7704] fib6_nh_init+0x3d8/0x15b0 [12103.865733][ T7704] ip6_route_info_create+0xf18/0x17d0 [12103.865733][ T7704] addrconf_f6i_alloc+0x315/0x560 [12103.865733][ T7704] ipv6_add_addr+0x411/0x2000 [12103.865733][ T7704] inet6_addr_add+0x30e/0xa40 [12103.865733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12103.865733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12103.865733][ T7704] netlink_rcv_skb+0x130/0x360 [12103.865733][ T7704] netlink_unicast+0x449/0x710 [12103.865733][ T7704] netlink_sendmsg+0x723/0xbe0 [12103.865733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12103.865733][ T7704] ___sys_sendmsg+0xee/0x170 [12103.865733][ T7704] __sys_sendmsg+0xcd/0x170 [12103.865733][ T7704] do_syscall_64+0xc6/0x1e0 [12103.865733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12103.865733][ T7704] [12103.867984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12103.867984][ T7704] netdev_get_by_index+0x5e/0x80 [12103.867984][ T7704] fib6_nh_init+0x3d8/0x15b0 [12103.867984][ T7704] ip6_route_info_create+0xf18/0x17d0 [12103.867984][ T7704] ip6_route_add+0x1c/0x140 [12103.867984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12103.867984][ T7704] addrconf_add_dev+0xe2/0x170 [12103.867984][ T7704] inet6_addr_add+0x12f/0xa40 [12103.867984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12103.867984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12103.867984][ T7704] netlink_rcv_skb+0x130/0x360 [12103.867984][ T7704] netlink_unicast+0x449/0x710 [12103.867984][ T7704] netlink_sendmsg+0x723/0xbe0 [12103.867984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12103.867984][ T7704] ___sys_sendmsg+0xee/0x170 [12103.867984][ T7704] __sys_sendmsg+0xcd/0x170 [12103.867984][ T7704] do_syscall_64+0xc6/0x1e0 [12103.867984][ T7704] [12103.870194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12103.870194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12103.870194][ T7704] ipv6_find_idev+0x102/0x170 [12103.870194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12103.870194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12103.870194][ T7704] netlink_rcv_skb+0x130/0x360 [12103.870194][ T7704] netlink_unicast+0x449/0x710 [12103.870194][ T7704] netlink_sendmsg+0x723/0xbe0 [12103.870194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12103.870194][ T7704] ___sys_sendmsg+0xee/0x170 [12103.870194][ T7704] __sys_sendmsg+0xcd/0x170 [12103.870194][ T7704] do_syscall_64+0xc6/0x1e0 [12103.870194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12103.870194][ T7704] [12103.871926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12103.871926][ T7704] neigh_parms_alloc+0x1e5/0x510 [12103.871926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12103.871926][ T7704] ipv6_find_idev+0x102/0x170 [12103.871926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12103.871926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12103.871926][ T7704] netlink_rcv_skb+0x130/0x360 [12103.871926][ T7704] netlink_unicast+0x449/0x710 [12103.871926][ T7704] netlink_sendmsg+0x723/0xbe0 [12103.871926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12103.871926][ T7704] ___sys_sendmsg+0xee/0x170 [12103.871926][ T7704] __sys_sendmsg+0xcd/0x170 [12103.871926][ T7704] do_syscall_64+0xc6/0x1e0 [12103.871926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12103.871926][ T7704] [12114.110933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12114.111392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12114.111392][ T7704] netdev_get_by_index+0x5e/0x80 [12114.111392][ T7704] fib6_nh_init+0x3d8/0x15b0 [12114.111392][ T7704] ip6_route_info_create+0xf18/0x17d0 [12114.111392][ T7704] ip6_route_add+0x1c/0x140 [12114.111392][ T7704] addrconf_prefix_route+0x2a6/0x430 [12114.111392][ T7704] inet6_addr_add+0x4f8/0xa40 [12114.111392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12114.111392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12114.111392][ T7704] netlink_rcv_skb+0x130/0x360 [12114.111392][ T7704] netlink_unicast+0x449/0x710 [12114.111392][ T7704] netlink_sendmsg+0x723/0xbe0 [12114.111392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12114.111392][ T7704] ___sys_sendmsg+0xee/0x170 [12114.111392][ T7704] __sys_sendmsg+0xcd/0x170 [12114.111392][ T7704] do_syscall_64+0xc6/0x1e0 [12114.111392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12114.111392][ T7704] [12114.113785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12114.113785][ T7704] netdev_get_by_index+0x5e/0x80 [12114.113785][ T7704] fib6_nh_init+0x3d8/0x15b0 [12114.113785][ T7704] ip6_route_info_create+0xf18/0x17d0 [12114.113785][ T7704] addrconf_f6i_alloc+0x315/0x560 [12114.113785][ T7704] ipv6_add_addr+0x411/0x2000 [12114.113785][ T7704] inet6_addr_add+0x30e/0xa40 [12114.113785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12114.113785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12114.113785][ T7704] netlink_rcv_skb+0x130/0x360 [12114.113785][ T7704] netlink_unicast+0x449/0x710 [12114.113785][ T7704] netlink_sendmsg+0x723/0xbe0 [12114.113785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12114.113785][ T7704] ___sys_sendmsg+0xee/0x170 [12114.113785][ T7704] __sys_sendmsg+0xcd/0x170 [12114.113785][ T7704] do_syscall_64+0xc6/0x1e0 [12114.113785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12114.113785][ T7704] [12114.116131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12114.116131][ T7704] netdev_get_by_index+0x5e/0x80 [12114.116131][ T7704] fib6_nh_init+0x3d8/0x15b0 [12114.116131][ T7704] ip6_route_info_create+0xf18/0x17d0 [12114.116131][ T7704] ip6_route_add+0x1c/0x140 [12114.116131][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12114.116131][ T7704] addrconf_add_dev+0xe2/0x170 [12114.116131][ T7704] inet6_addr_add+0x12f/0xa40 [12114.116131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12114.116131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12114.116131][ T7704] netlink_rcv_skb+0x130/0x360 [12114.116131][ T7704] netlink_unicast+0x449/0x710 [12114.116131][ T7704] netlink_sendmsg+0x723/0xbe0 [12114.116131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12114.116131][ T7704] ___sys_sendmsg+0xee/0x170 [12114.116131][ T7704] __sys_sendmsg+0xcd/0x170 [12114.116131][ T7704] do_syscall_64+0xc6/0x1e0 [12114.116131][ T7704] [12114.118428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12114.118428][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12114.118428][ T7704] ipv6_find_idev+0x102/0x170 [12114.118428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12114.118428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12114.118428][ T7704] netlink_rcv_skb+0x130/0x360 [12114.118428][ T7704] netlink_unicast+0x449/0x710 [12114.118428][ T7704] netlink_sendmsg+0x723/0xbe0 [12114.118428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12114.118428][ T7704] ___sys_sendmsg+0xee/0x170 [12114.118428][ T7704] __sys_sendmsg+0xcd/0x170 [12114.118428][ T7704] do_syscall_64+0xc6/0x1e0 [12114.118428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12114.118428][ T7704] [12114.120230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12114.120230][ T7704] neigh_parms_alloc+0x1e5/0x510 [12114.120230][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12114.120230][ T7704] ipv6_find_idev+0x102/0x170 [12114.120230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12114.120230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12114.120230][ T7704] netlink_rcv_skb+0x130/0x360 [12114.120230][ T7704] netlink_unicast+0x449/0x710 [12114.120230][ T7704] netlink_sendmsg+0x723/0xbe0 [12114.120230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12114.120230][ T7704] ___sys_sendmsg+0xee/0x170 [12114.120230][ T7704] __sys_sendmsg+0xcd/0x170 [12114.120230][ T7704] do_syscall_64+0xc6/0x1e0 [12114.120230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12114.120230][ T7704] [12124.358904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12124.359445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12124.359445][ T7704] netdev_get_by_index+0x5e/0x80 [12124.359445][ T7704] fib6_nh_init+0x3d8/0x15b0 [12124.359445][ T7704] ip6_route_info_create+0xf18/0x17d0 [12124.359445][ T7704] ip6_route_add+0x1c/0x140 [12124.359445][ T7704] addrconf_prefix_route+0x2a6/0x430 [12124.359445][ T7704] inet6_addr_add+0x4f8/0xa40 [12124.359445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12124.359445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12124.359445][ T7704] netlink_rcv_skb+0x130/0x360 [12124.359445][ T7704] netlink_unicast+0x449/0x710 [12124.359445][ T7704] netlink_sendmsg+0x723/0xbe0 [12124.359445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12124.359445][ T7704] ___sys_sendmsg+0xee/0x170 [12124.359445][ T7704] __sys_sendmsg+0xcd/0x170 [12124.359445][ T7704] do_syscall_64+0xc6/0x1e0 [12124.359445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12124.359445][ T7704] [12124.361718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12124.361718][ T7704] netdev_get_by_index+0x5e/0x80 [12124.361718][ T7704] fib6_nh_init+0x3d8/0x15b0 [12124.361718][ T7704] ip6_route_info_create+0xf18/0x17d0 [12124.361718][ T7704] addrconf_f6i_alloc+0x315/0x560 [12124.361718][ T7704] ipv6_add_addr+0x411/0x2000 [12124.361718][ T7704] inet6_addr_add+0x30e/0xa40 [12124.361718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12124.361718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12124.361718][ T7704] netlink_rcv_skb+0x130/0x360 [12124.361718][ T7704] netlink_unicast+0x449/0x710 [12124.361718][ T7704] netlink_sendmsg+0x723/0xbe0 [12124.361718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12124.361718][ T7704] ___sys_sendmsg+0xee/0x170 [12124.361718][ T7704] __sys_sendmsg+0xcd/0x170 [12124.361718][ T7704] do_syscall_64+0xc6/0x1e0 [12124.361718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12124.361718][ T7704] [12124.363991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12124.363991][ T7704] netdev_get_by_index+0x5e/0x80 [12124.363991][ T7704] fib6_nh_init+0x3d8/0x15b0 [12124.363991][ T7704] ip6_route_info_create+0xf18/0x17d0 [12124.363991][ T7704] ip6_route_add+0x1c/0x140 [12124.363991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12124.363991][ T7704] addrconf_add_dev+0xe2/0x170 [12124.363991][ T7704] inet6_addr_add+0x12f/0xa40 [12124.363991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12124.363991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12124.363991][ T7704] netlink_rcv_skb+0x130/0x360 [12124.363991][ T7704] netlink_unicast+0x449/0x710 [12124.363991][ T7704] netlink_sendmsg+0x723/0xbe0 [12124.363991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12124.363991][ T7704] ___sys_sendmsg+0xee/0x170 [12124.363991][ T7704] __sys_sendmsg+0xcd/0x170 [12124.363991][ T7704] do_syscall_64+0xc6/0x1e0 [12124.363991][ T7704] [12124.366208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12124.366208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12124.366208][ T7704] ipv6_find_idev+0x102/0x170 [12124.366208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12124.366208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12124.366208][ T7704] netlink_rcv_skb+0x130/0x360 [12124.366208][ T7704] netlink_unicast+0x449/0x710 [12124.366208][ T7704] netlink_sendmsg+0x723/0xbe0 [12124.366208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12124.366208][ T7704] ___sys_sendmsg+0xee/0x170 [12124.366208][ T7704] __sys_sendmsg+0xcd/0x170 [12124.366208][ T7704] do_syscall_64+0xc6/0x1e0 [12124.366208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12124.366208][ T7704] [12124.367956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12124.367956][ T7704] neigh_parms_alloc+0x1e5/0x510 [12124.367956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12124.367956][ T7704] ipv6_find_idev+0x102/0x170 [12124.367956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12124.367956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12124.367956][ T7704] netlink_rcv_skb+0x130/0x360 [12124.367956][ T7704] netlink_unicast+0x449/0x710 [12124.367956][ T7704] netlink_sendmsg+0x723/0xbe0 [12124.367956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12124.367956][ T7704] ___sys_sendmsg+0xee/0x170 [12124.367956][ T7704] __sys_sendmsg+0xcd/0x170 [12124.367956][ T7704] do_syscall_64+0xc6/0x1e0 [12124.367956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12124.367956][ T7704] [12134.550909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12134.551419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12134.551419][ T7704] netdev_get_by_index+0x5e/0x80 [12134.551419][ T7704] fib6_nh_init+0x3d8/0x15b0 [12134.551419][ T7704] ip6_route_info_create+0xf18/0x17d0 [12134.551419][ T7704] ip6_route_add+0x1c/0x140 [12134.551419][ T7704] addrconf_prefix_route+0x2a6/0x430 [12134.551419][ T7704] inet6_addr_add+0x4f8/0xa40 [12134.551419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12134.551419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12134.551419][ T7704] netlink_rcv_skb+0x130/0x360 [12134.551419][ T7704] netlink_unicast+0x449/0x710 [12134.551419][ T7704] netlink_sendmsg+0x723/0xbe0 [12134.551419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12134.551419][ T7704] ___sys_sendmsg+0xee/0x170 [12134.551419][ T7704] __sys_sendmsg+0xcd/0x170 [12134.551419][ T7704] do_syscall_64+0xc6/0x1e0 [12134.551419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12134.551419][ T7704] [12134.553860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12134.553860][ T7704] netdev_get_by_index+0x5e/0x80 [12134.553860][ T7704] fib6_nh_init+0x3d8/0x15b0 [12134.553860][ T7704] ip6_route_info_create+0xf18/0x17d0 [12134.553860][ T7704] addrconf_f6i_alloc+0x315/0x560 [12134.553860][ T7704] ipv6_add_addr+0x411/0x2000 [12134.553860][ T7704] inet6_addr_add+0x30e/0xa40 [12134.553860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12134.553860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12134.553860][ T7704] netlink_rcv_skb+0x130/0x360 [12134.553860][ T7704] netlink_unicast+0x449/0x710 [12134.553860][ T7704] netlink_sendmsg+0x723/0xbe0 [12134.553860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12134.553860][ T7704] ___sys_sendmsg+0xee/0x170 [12134.553860][ T7704] __sys_sendmsg+0xcd/0x170 [12134.553860][ T7704] do_syscall_64+0xc6/0x1e0 [12134.553860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12134.553860][ T7704] [12134.556223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12134.556223][ T7704] netdev_get_by_index+0x5e/0x80 [12134.556223][ T7704] fib6_nh_init+0x3d8/0x15b0 [12134.556223][ T7704] ip6_route_info_create+0xf18/0x17d0 [12134.556223][ T7704] ip6_route_add+0x1c/0x140 [12134.556223][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12134.556223][ T7704] addrconf_add_dev+0xe2/0x170 [12134.556223][ T7704] inet6_addr_add+0x12f/0xa40 [12134.556223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12134.556223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12134.556223][ T7704] netlink_rcv_skb+0x130/0x360 [12134.556223][ T7704] netlink_unicast+0x449/0x710 [12134.556223][ T7704] netlink_sendmsg+0x723/0xbe0 [12134.556223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12134.556223][ T7704] ___sys_sendmsg+0xee/0x170 [12134.556223][ T7704] __sys_sendmsg+0xcd/0x170 [12134.556223][ T7704] do_syscall_64+0xc6/0x1e0 [12134.556223][ T7704] [12134.558610][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12134.558610][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12134.558610][ T7704] ipv6_find_idev+0x102/0x170 [12134.558610][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12134.558610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12134.558610][ T7704] netlink_rcv_skb+0x130/0x360 [12134.558610][ T7704] netlink_unicast+0x449/0x710 [12134.558610][ T7704] netlink_sendmsg+0x723/0xbe0 [12134.558610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12134.558610][ T7704] ___sys_sendmsg+0xee/0x170 [12134.558610][ T7704] __sys_sendmsg+0xcd/0x170 [12134.558610][ T7704] do_syscall_64+0xc6/0x1e0 [12134.558610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12134.558610][ T7704] [12134.560420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12134.560420][ T7704] neigh_parms_alloc+0x1e5/0x510 [12134.560420][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12134.560420][ T7704] ipv6_find_idev+0x102/0x170 [12134.560420][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12134.560420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12134.560420][ T7704] netlink_rcv_skb+0x130/0x360 [12134.560420][ T7704] netlink_unicast+0x449/0x710 [12134.560420][ T7704] netlink_sendmsg+0x723/0xbe0 [12134.560420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12134.560420][ T7704] ___sys_sendmsg+0xee/0x170 [12134.560420][ T7704] __sys_sendmsg+0xcd/0x170 [12134.560420][ T7704] do_syscall_64+0xc6/0x1e0 [12134.560420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12134.560420][ T7704] [12144.646968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12144.647470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12144.647470][ T7704] netdev_get_by_index+0x5e/0x80 [12144.647470][ T7704] fib6_nh_init+0x3d8/0x15b0 [12144.647470][ T7704] ip6_route_info_create+0xf18/0x17d0 [12144.647470][ T7704] ip6_route_add+0x1c/0x140 [12144.647470][ T7704] addrconf_prefix_route+0x2a6/0x430 [12144.647470][ T7704] inet6_addr_add+0x4f8/0xa40 [12144.647470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12144.647470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12144.647470][ T7704] netlink_rcv_skb+0x130/0x360 [12144.647470][ T7704] netlink_unicast+0x449/0x710 [12144.647470][ T7704] netlink_sendmsg+0x723/0xbe0 [12144.647470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12144.647470][ T7704] ___sys_sendmsg+0xee/0x170 [12144.647470][ T7704] __sys_sendmsg+0xcd/0x170 [12144.647470][ T7704] do_syscall_64+0xc6/0x1e0 [12144.647470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12144.647470][ T7704] [12144.649748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12144.649748][ T7704] netdev_get_by_index+0x5e/0x80 [12144.649748][ T7704] fib6_nh_init+0x3d8/0x15b0 [12144.649748][ T7704] ip6_route_info_create+0xf18/0x17d0 [12144.649748][ T7704] addrconf_f6i_alloc+0x315/0x560 [12144.649748][ T7704] ipv6_add_addr+0x411/0x2000 [12144.649748][ T7704] inet6_addr_add+0x30e/0xa40 [12144.649748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12144.649748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12144.649748][ T7704] netlink_rcv_skb+0x130/0x360 [12144.649748][ T7704] netlink_unicast+0x449/0x710 [12144.649748][ T7704] netlink_sendmsg+0x723/0xbe0 [12144.649748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12144.649748][ T7704] ___sys_sendmsg+0xee/0x170 [12144.649748][ T7704] __sys_sendmsg+0xcd/0x170 [12144.649748][ T7704] do_syscall_64+0xc6/0x1e0 [12144.649748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12144.649748][ T7704] [12144.652003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12144.652003][ T7704] netdev_get_by_index+0x5e/0x80 [12144.652003][ T7704] fib6_nh_init+0x3d8/0x15b0 [12144.652003][ T7704] ip6_route_info_create+0xf18/0x17d0 [12144.652003][ T7704] ip6_route_add+0x1c/0x140 [12144.652003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12144.652003][ T7704] addrconf_add_dev+0xe2/0x170 [12144.652003][ T7704] inet6_addr_add+0x12f/0xa40 [12144.652003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12144.652003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12144.652003][ T7704] netlink_rcv_skb+0x130/0x360 [12144.652003][ T7704] netlink_unicast+0x449/0x710 [12144.652003][ T7704] netlink_sendmsg+0x723/0xbe0 [12144.652003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12144.652003][ T7704] ___sys_sendmsg+0xee/0x170 [12144.652003][ T7704] __sys_sendmsg+0xcd/0x170 [12144.652003][ T7704] do_syscall_64+0xc6/0x1e0 [12144.652003][ T7704] [12144.654235][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12144.654235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12144.654235][ T7704] ipv6_find_idev+0x102/0x170 [12144.654235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12144.654235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12144.654235][ T7704] netlink_rcv_skb+0x130/0x360 [12144.654235][ T7704] netlink_unicast+0x449/0x710 [12144.654235][ T7704] netlink_sendmsg+0x723/0xbe0 [12144.654235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12144.654235][ T7704] ___sys_sendmsg+0xee/0x170 [12144.654235][ T7704] __sys_sendmsg+0xcd/0x170 [12144.654235][ T7704] do_syscall_64+0xc6/0x1e0 [12144.654235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12144.654235][ T7704] [12144.655967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12144.655967][ T7704] neigh_parms_alloc+0x1e5/0x510 [12144.655967][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12144.655967][ T7704] ipv6_find_idev+0x102/0x170 [12144.655967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12144.655967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12144.655967][ T7704] netlink_rcv_skb+0x130/0x360 [12144.655967][ T7704] netlink_unicast+0x449/0x710 [12144.655967][ T7704] netlink_sendmsg+0x723/0xbe0 [12144.655967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12144.655967][ T7704] ___sys_sendmsg+0xee/0x170 [12144.655967][ T7704] __sys_sendmsg+0xcd/0x170 [12144.655967][ T7704] do_syscall_64+0xc6/0x1e0 [12144.655967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12144.655967][ T7704] [12154.894953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12154.895437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12154.895437][ T7704] netdev_get_by_index+0x5e/0x80 [12154.895437][ T7704] fib6_nh_init+0x3d8/0x15b0 [12154.895437][ T7704] ip6_route_info_create+0xf18/0x17d0 [12154.895437][ T7704] ip6_route_add+0x1c/0x140 [12154.895437][ T7704] addrconf_prefix_route+0x2a6/0x430 [12154.895437][ T7704] inet6_addr_add+0x4f8/0xa40 [12154.895437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12154.895437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12154.895437][ T7704] netlink_rcv_skb+0x130/0x360 [12154.895437][ T7704] netlink_unicast+0x449/0x710 [12154.895437][ T7704] netlink_sendmsg+0x723/0xbe0 [12154.895437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12154.895437][ T7704] ___sys_sendmsg+0xee/0x170 [12154.895437][ T7704] __sys_sendmsg+0xcd/0x170 [12154.895437][ T7704] do_syscall_64+0xc6/0x1e0 [12154.895437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12154.895437][ T7704] [12154.897691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12154.897691][ T7704] netdev_get_by_index+0x5e/0x80 [12154.897691][ T7704] fib6_nh_init+0x3d8/0x15b0 [12154.897691][ T7704] ip6_route_info_create+0xf18/0x17d0 [12154.897691][ T7704] addrconf_f6i_alloc+0x315/0x560 [12154.897691][ T7704] ipv6_add_addr+0x411/0x2000 [12154.897691][ T7704] inet6_addr_add+0x30e/0xa40 [12154.897691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12154.897691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12154.897691][ T7704] netlink_rcv_skb+0x130/0x360 [12154.897691][ T7704] netlink_unicast+0x449/0x710 [12154.897691][ T7704] netlink_sendmsg+0x723/0xbe0 [12154.897691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12154.897691][ T7704] ___sys_sendmsg+0xee/0x170 [12154.897691][ T7704] __sys_sendmsg+0xcd/0x170 [12154.897691][ T7704] do_syscall_64+0xc6/0x1e0 [12154.897691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12154.897691][ T7704] [12154.899931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12154.899931][ T7704] netdev_get_by_index+0x5e/0x80 [12154.899931][ T7704] fib6_nh_init+0x3d8/0x15b0 [12154.899931][ T7704] ip6_route_info_create+0xf18/0x17d0 [12154.899931][ T7704] ip6_route_add+0x1c/0x140 [12154.899931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12154.899931][ T7704] addrconf_add_dev+0xe2/0x170 [12154.899931][ T7704] inet6_addr_add+0x12f/0xa40 [12154.899931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12154.899931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12154.899931][ T7704] netlink_rcv_skb+0x130/0x360 [12154.899931][ T7704] netlink_unicast+0x449/0x710 [12154.899931][ T7704] netlink_sendmsg+0x723/0xbe0 [12154.899931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12154.899931][ T7704] ___sys_sendmsg+0xee/0x170 [12154.899931][ T7704] __sys_sendmsg+0xcd/0x170 [12154.899931][ T7704] do_syscall_64+0xc6/0x1e0 [12154.899931][ T7704] [12154.902103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12154.902103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12154.902103][ T7704] ipv6_find_idev+0x102/0x170 [12154.902103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12154.902103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12154.902103][ T7704] netlink_rcv_skb+0x130/0x360 [12154.902103][ T7704] netlink_unicast+0x449/0x710 [12154.902103][ T7704] netlink_sendmsg+0x723/0xbe0 [12154.902103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12154.902103][ T7704] ___sys_sendmsg+0xee/0x170 [12154.902103][ T7704] __sys_sendmsg+0xcd/0x170 [12154.902103][ T7704] do_syscall_64+0xc6/0x1e0 [12154.902103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12154.902103][ T7704] [12154.903810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12154.903810][ T7704] neigh_parms_alloc+0x1e5/0x510 [12154.903810][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12154.903810][ T7704] ipv6_find_idev+0x102/0x170 [12154.903810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12154.903810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12154.903810][ T7704] netlink_rcv_skb+0x130/0x360 [12154.903810][ T7704] netlink_unicast+0x449/0x710 [12154.903810][ T7704] netlink_sendmsg+0x723/0xbe0 [12154.903810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12154.903810][ T7704] ___sys_sendmsg+0xee/0x170 [12154.903810][ T7704] __sys_sendmsg+0xcd/0x170 [12154.903810][ T7704] do_syscall_64+0xc6/0x1e0 [12154.903810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12154.903810][ T7704] [12165.142937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12165.143372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12165.143372][ T7704] netdev_get_by_index+0x5e/0x80 [12165.143372][ T7704] fib6_nh_init+0x3d8/0x15b0 [12165.143372][ T7704] ip6_route_info_create+0xf18/0x17d0 [12165.143372][ T7704] ip6_route_add+0x1c/0x140 [12165.143372][ T7704] addrconf_prefix_route+0x2a6/0x430 [12165.143372][ T7704] inet6_addr_add+0x4f8/0xa40 [12165.143372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12165.143372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12165.143372][ T7704] netlink_rcv_skb+0x130/0x360 [12165.143372][ T7704] netlink_unicast+0x449/0x710 [12165.143372][ T7704] netlink_sendmsg+0x723/0xbe0 [12165.143372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12165.143372][ T7704] ___sys_sendmsg+0xee/0x170 [12165.143372][ T7704] __sys_sendmsg+0xcd/0x170 [12165.143372][ T7704] do_syscall_64+0xc6/0x1e0 [12165.143372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12165.143372][ T7704] [12165.145595][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12165.145595][ T7704] netdev_get_by_index+0x5e/0x80 [12165.145595][ T7704] fib6_nh_init+0x3d8/0x15b0 [12165.145595][ T7704] ip6_route_info_create+0xf18/0x17d0 [12165.145595][ T7704] addrconf_f6i_alloc+0x315/0x560 [12165.145595][ T7704] ipv6_add_addr+0x411/0x2000 [12165.145595][ T7704] inet6_addr_add+0x30e/0xa40 [12165.145595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12165.145595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12165.145595][ T7704] netlink_rcv_skb+0x130/0x360 [12165.145595][ T7704] netlink_unicast+0x449/0x710 [12165.145595][ T7704] netlink_sendmsg+0x723/0xbe0 [12165.145595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12165.145595][ T7704] ___sys_sendmsg+0xee/0x170 [12165.145595][ T7704] __sys_sendmsg+0xcd/0x170 [12165.145595][ T7704] do_syscall_64+0xc6/0x1e0 [12165.145595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12165.145595][ T7704] [12165.147800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12165.147800][ T7704] netdev_get_by_index+0x5e/0x80 [12165.147800][ T7704] fib6_nh_init+0x3d8/0x15b0 [12165.147800][ T7704] ip6_route_info_create+0xf18/0x17d0 [12165.147800][ T7704] ip6_route_add+0x1c/0x140 [12165.147800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12165.147800][ T7704] addrconf_add_dev+0xe2/0x170 [12165.147800][ T7704] inet6_addr_add+0x12f/0xa40 [12165.147800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12165.147800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12165.147800][ T7704] netlink_rcv_skb+0x130/0x360 [12165.147800][ T7704] netlink_unicast+0x449/0x710 [12165.147800][ T7704] netlink_sendmsg+0x723/0xbe0 [12165.147800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12165.147800][ T7704] ___sys_sendmsg+0xee/0x170 [12165.147800][ T7704] __sys_sendmsg+0xcd/0x170 [12165.147800][ T7704] do_syscall_64+0xc6/0x1e0 [12165.147800][ T7704] [12165.149970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12165.149970][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12165.149970][ T7704] ipv6_find_idev+0x102/0x170 [12165.149970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12165.149970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12165.149970][ T7704] netlink_rcv_skb+0x130/0x360 [12165.149970][ T7704] netlink_unicast+0x449/0x710 [12165.149970][ T7704] netlink_sendmsg+0x723/0xbe0 [12165.149970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12165.149970][ T7704] ___sys_sendmsg+0xee/0x170 [12165.149970][ T7704] __sys_sendmsg+0xcd/0x170 [12165.149970][ T7704] do_syscall_64+0xc6/0x1e0 [12165.149970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12165.149970][ T7704] [12165.151668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12165.151668][ T7704] neigh_parms_alloc+0x1e5/0x510 [12165.151668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12165.151668][ T7704] ipv6_find_idev+0x102/0x170 [12165.151668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12165.151668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12165.151668][ T7704] netlink_rcv_skb+0x130/0x360 [12165.151668][ T7704] netlink_unicast+0x449/0x710 [12165.151668][ T7704] netlink_sendmsg+0x723/0xbe0 [12165.151668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12165.151668][ T7704] ___sys_sendmsg+0xee/0x170 [12165.151668][ T7704] __sys_sendmsg+0xcd/0x170 [12165.151668][ T7704] do_syscall_64+0xc6/0x1e0 [12165.151668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12165.151668][ T7704] [12175.390931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12175.391354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12175.391354][ T7704] netdev_get_by_index+0x5e/0x80 [12175.391354][ T7704] fib6_nh_init+0x3d8/0x15b0 [12175.391354][ T7704] ip6_route_info_create+0xf18/0x17d0 [12175.391354][ T7704] ip6_route_add+0x1c/0x140 [12175.391354][ T7704] addrconf_prefix_route+0x2a6/0x430 [12175.391354][ T7704] inet6_addr_add+0x4f8/0xa40 [12175.391354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12175.391354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12175.391354][ T7704] netlink_rcv_skb+0x130/0x360 [12175.391354][ T7704] netlink_unicast+0x449/0x710 [12175.391354][ T7704] netlink_sendmsg+0x723/0xbe0 [12175.391354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12175.391354][ T7704] ___sys_sendmsg+0xee/0x170 [12175.391354][ T7704] __sys_sendmsg+0xcd/0x170 [12175.391354][ T7704] do_syscall_64+0xc6/0x1e0 [12175.391354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12175.391354][ T7704] [12175.393620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12175.393620][ T7704] netdev_get_by_index+0x5e/0x80 [12175.393620][ T7704] fib6_nh_init+0x3d8/0x15b0 [12175.393620][ T7704] ip6_route_info_create+0xf18/0x17d0 [12175.393620][ T7704] addrconf_f6i_alloc+0x315/0x560 [12175.393620][ T7704] ipv6_add_addr+0x411/0x2000 [12175.393620][ T7704] inet6_addr_add+0x30e/0xa40 [12175.393620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12175.393620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12175.393620][ T7704] netlink_rcv_skb+0x130/0x360 [12175.393620][ T7704] netlink_unicast+0x449/0x710 [12175.393620][ T7704] netlink_sendmsg+0x723/0xbe0 [12175.393620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12175.393620][ T7704] ___sys_sendmsg+0xee/0x170 [12175.393620][ T7704] __sys_sendmsg+0xcd/0x170 [12175.393620][ T7704] do_syscall_64+0xc6/0x1e0 [12175.393620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12175.393620][ T7704] [12175.395826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12175.395826][ T7704] netdev_get_by_index+0x5e/0x80 [12175.395826][ T7704] fib6_nh_init+0x3d8/0x15b0 [12175.395826][ T7704] ip6_route_info_create+0xf18/0x17d0 [12175.395826][ T7704] ip6_route_add+0x1c/0x140 [12175.395826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12175.395826][ T7704] addrconf_add_dev+0xe2/0x170 [12175.395826][ T7704] inet6_addr_add+0x12f/0xa40 [12175.395826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12175.395826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12175.395826][ T7704] netlink_rcv_skb+0x130/0x360 [12175.395826][ T7704] netlink_unicast+0x449/0x710 [12175.395826][ T7704] netlink_sendmsg+0x723/0xbe0 [12175.395826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12175.395826][ T7704] ___sys_sendmsg+0xee/0x170 [12175.395826][ T7704] __sys_sendmsg+0xcd/0x170 [12175.395826][ T7704] do_syscall_64+0xc6/0x1e0 [12175.395826][ T7704] [12175.398108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12175.398108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12175.398108][ T7704] ipv6_find_idev+0x102/0x170 [12175.398108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12175.398108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12175.398108][ T7704] netlink_rcv_skb+0x130/0x360 [12175.398108][ T7704] netlink_unicast+0x449/0x710 [12175.398108][ T7704] netlink_sendmsg+0x723/0xbe0 [12175.398108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12175.398108][ T7704] ___sys_sendmsg+0xee/0x170 [12175.398108][ T7704] __sys_sendmsg+0xcd/0x170 [12175.398108][ T7704] do_syscall_64+0xc6/0x1e0 [12175.398108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12175.398108][ T7704] [12175.399818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12175.399818][ T7704] neigh_parms_alloc+0x1e5/0x510 [12175.399818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12175.399818][ T7704] ipv6_find_idev+0x102/0x170 [12175.399818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12175.399818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12175.399818][ T7704] netlink_rcv_skb+0x130/0x360 [12175.399818][ T7704] netlink_unicast+0x449/0x710 [12175.399818][ T7704] netlink_sendmsg+0x723/0xbe0 [12175.399818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12175.399818][ T7704] ___sys_sendmsg+0xee/0x170 [12175.399818][ T7704] __sys_sendmsg+0xcd/0x170 [12175.399818][ T7704] do_syscall_64+0xc6/0x1e0 [12175.399818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12175.399818][ T7704] [12185.638941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12185.639366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12185.639366][ T7704] netdev_get_by_index+0x5e/0x80 [12185.639366][ T7704] fib6_nh_init+0x3d8/0x15b0 [12185.639366][ T7704] ip6_route_info_create+0xf18/0x17d0 [12185.639366][ T7704] ip6_route_add+0x1c/0x140 [12185.639366][ T7704] addrconf_prefix_route+0x2a6/0x430 [12185.639366][ T7704] inet6_addr_add+0x4f8/0xa40 [12185.639366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12185.639366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12185.639366][ T7704] netlink_rcv_skb+0x130/0x360 [12185.639366][ T7704] netlink_unicast+0x449/0x710 [12185.639366][ T7704] netlink_sendmsg+0x723/0xbe0 [12185.639366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12185.639366][ T7704] ___sys_sendmsg+0xee/0x170 [12185.639366][ T7704] __sys_sendmsg+0xcd/0x170 [12185.639366][ T7704] do_syscall_64+0xc6/0x1e0 [12185.639366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12185.639366][ T7704] [12185.641606][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12185.641606][ T7704] netdev_get_by_index+0x5e/0x80 [12185.641606][ T7704] fib6_nh_init+0x3d8/0x15b0 [12185.641606][ T7704] ip6_route_info_create+0xf18/0x17d0 [12185.641606][ T7704] addrconf_f6i_alloc+0x315/0x560 [12185.641606][ T7704] ipv6_add_addr+0x411/0x2000 [12185.641606][ T7704] inet6_addr_add+0x30e/0xa40 [12185.641606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12185.641606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12185.641606][ T7704] netlink_rcv_skb+0x130/0x360 [12185.641606][ T7704] netlink_unicast+0x449/0x710 [12185.641606][ T7704] netlink_sendmsg+0x723/0xbe0 [12185.641606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12185.641606][ T7704] ___sys_sendmsg+0xee/0x170 [12185.641606][ T7704] __sys_sendmsg+0xcd/0x170 [12185.641606][ T7704] do_syscall_64+0xc6/0x1e0 [12185.641606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12185.641606][ T7704] [12185.643944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12185.643944][ T7704] netdev_get_by_index+0x5e/0x80 [12185.643944][ T7704] fib6_nh_init+0x3d8/0x15b0 [12185.643944][ T7704] ip6_route_info_create+0xf18/0x17d0 [12185.643944][ T7704] ip6_route_add+0x1c/0x140 [12185.643944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12185.643944][ T7704] addrconf_add_dev+0xe2/0x170 [12185.643944][ T7704] inet6_addr_add+0x12f/0xa40 [12185.643944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12185.643944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12185.643944][ T7704] netlink_rcv_skb+0x130/0x360 [12185.643944][ T7704] netlink_unicast+0x449/0x710 [12185.643944][ T7704] netlink_sendmsg+0x723/0xbe0 [12185.643944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12185.643944][ T7704] ___sys_sendmsg+0xee/0x170 [12185.643944][ T7704] __sys_sendmsg+0xcd/0x170 [12185.643944][ T7704] do_syscall_64+0xc6/0x1e0 [12185.643944][ T7704] [12185.646133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12185.646133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12185.646133][ T7704] ipv6_find_idev+0x102/0x170 [12185.646133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12185.646133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12185.646133][ T7704] netlink_rcv_skb+0x130/0x360 [12185.646133][ T7704] netlink_unicast+0x449/0x710 [12185.646133][ T7704] netlink_sendmsg+0x723/0xbe0 [12185.646133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12185.646133][ T7704] ___sys_sendmsg+0xee/0x170 [12185.646133][ T7704] __sys_sendmsg+0xcd/0x170 [12185.646133][ T7704] do_syscall_64+0xc6/0x1e0 [12185.646133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12185.646133][ T7704] [12185.647847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12185.647847][ T7704] neigh_parms_alloc+0x1e5/0x510 [12185.647847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12185.647847][ T7704] ipv6_find_idev+0x102/0x170 [12185.647847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12185.647847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12185.647847][ T7704] netlink_rcv_skb+0x130/0x360 [12185.647847][ T7704] netlink_unicast+0x449/0x710 [12185.647847][ T7704] netlink_sendmsg+0x723/0xbe0 [12185.647847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12185.647847][ T7704] ___sys_sendmsg+0xee/0x170 [12185.647847][ T7704] __sys_sendmsg+0xcd/0x170 [12185.647847][ T7704] do_syscall_64+0xc6/0x1e0 [12185.647847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12185.647847][ T7704] [12195.782944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12195.783444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12195.783444][ T7704] netdev_get_by_index+0x5e/0x80 [12195.783444][ T7704] fib6_nh_init+0x3d8/0x15b0 [12195.783444][ T7704] ip6_route_info_create+0xf18/0x17d0 [12195.783444][ T7704] ip6_route_add+0x1c/0x140 [12195.783444][ T7704] addrconf_prefix_route+0x2a6/0x430 [12195.783444][ T7704] inet6_addr_add+0x4f8/0xa40 [12195.783444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12195.783444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12195.783444][ T7704] netlink_rcv_skb+0x130/0x360 [12195.783444][ T7704] netlink_unicast+0x449/0x710 [12195.783444][ T7704] netlink_sendmsg+0x723/0xbe0 [12195.783444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12195.783444][ T7704] ___sys_sendmsg+0xee/0x170 [12195.783444][ T7704] __sys_sendmsg+0xcd/0x170 [12195.783444][ T7704] do_syscall_64+0xc6/0x1e0 [12195.783444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12195.783444][ T7704] [12195.785980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12195.785980][ T7704] netdev_get_by_index+0x5e/0x80 [12195.785980][ T7704] fib6_nh_init+0x3d8/0x15b0 [12195.785980][ T7704] ip6_route_info_create+0xf18/0x17d0 [12195.785980][ T7704] addrconf_f6i_alloc+0x315/0x560 [12195.785980][ T7704] ipv6_add_addr+0x411/0x2000 [12195.785980][ T7704] inet6_addr_add+0x30e/0xa40 [12195.785980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12195.785980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12195.785980][ T7704] netlink_rcv_skb+0x130/0x360 [12195.785980][ T7704] netlink_unicast+0x449/0x710 [12195.785980][ T7704] netlink_sendmsg+0x723/0xbe0 [12195.785980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12195.785980][ T7704] ___sys_sendmsg+0xee/0x170 [12195.785980][ T7704] __sys_sendmsg+0xcd/0x170 [12195.785980][ T7704] do_syscall_64+0xc6/0x1e0 [12195.785980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12195.785980][ T7704] [12195.788702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12195.788702][ T7704] netdev_get_by_index+0x5e/0x80 [12195.788702][ T7704] fib6_nh_init+0x3d8/0x15b0 [12195.788702][ T7704] ip6_route_info_create+0xf18/0x17d0 [12195.788702][ T7704] ip6_route_add+0x1c/0x140 [12195.788702][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12195.788702][ T7704] addrconf_add_dev+0xe2/0x170 [12195.788702][ T7704] inet6_addr_add+0x12f/0xa40 [12195.788702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12195.788702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12195.788702][ T7704] netlink_rcv_skb+0x130/0x360 [12195.788702][ T7704] netlink_unicast+0x449/0x710 [12195.788702][ T7704] netlink_sendmsg+0x723/0xbe0 [12195.788702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12195.788702][ T7704] ___sys_sendmsg+0xee/0x170 [12195.788702][ T7704] __sys_sendmsg+0xcd/0x170 [12195.788702][ T7704] do_syscall_64+0xc6/0x1e0 [12195.788702][ T7704] [12195.791376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12195.791376][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12195.791376][ T7704] ipv6_find_idev+0x102/0x170 [12195.791376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12195.791376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12195.791376][ T7704] netlink_rcv_skb+0x130/0x360 [12195.791376][ T7704] netlink_unicast+0x449/0x710 [12195.791376][ T7704] netlink_sendmsg+0x723/0xbe0 [12195.791376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12195.791376][ T7704] ___sys_sendmsg+0xee/0x170 [12195.791376][ T7704] __sys_sendmsg+0xcd/0x170 [12195.791376][ T7704] do_syscall_64+0xc6/0x1e0 [12195.791376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12195.791376][ T7704] [12195.793473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12195.793473][ T7704] neigh_parms_alloc+0x1e5/0x510 [12195.793473][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12195.793473][ T7704] ipv6_find_idev+0x102/0x170 [12195.793473][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12195.793473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12195.793473][ T7704] netlink_rcv_skb+0x130/0x360 [12195.793473][ T7704] netlink_unicast+0x449/0x710 [12195.793473][ T7704] netlink_sendmsg+0x723/0xbe0 [12195.793473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12195.793473][ T7704] ___sys_sendmsg+0xee/0x170 [12195.793473][ T7704] __sys_sendmsg+0xcd/0x170 [12195.793473][ T7704] do_syscall_64+0xc6/0x1e0 [12195.793473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12195.793473][ T7704] [12206.046894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12206.047381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12206.047381][ T7704] netdev_get_by_index+0x5e/0x80 [12206.047381][ T7704] fib6_nh_init+0x3d8/0x15b0 [12206.047381][ T7704] ip6_route_info_create+0xf18/0x17d0 [12206.047381][ T7704] ip6_route_add+0x1c/0x140 [12206.047381][ T7704] addrconf_prefix_route+0x2a6/0x430 [12206.047381][ T7704] inet6_addr_add+0x4f8/0xa40 [12206.047381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12206.047381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12206.047381][ T7704] netlink_rcv_skb+0x130/0x360 [12206.047381][ T7704] netlink_unicast+0x449/0x710 [12206.047381][ T7704] netlink_sendmsg+0x723/0xbe0 [12206.047381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12206.047381][ T7704] ___sys_sendmsg+0xee/0x170 [12206.047381][ T7704] __sys_sendmsg+0xcd/0x170 [12206.047381][ T7704] do_syscall_64+0xc6/0x1e0 [12206.047381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12206.047381][ T7704] [12206.050119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12206.050119][ T7704] netdev_get_by_index+0x5e/0x80 [12206.050119][ T7704] fib6_nh_init+0x3d8/0x15b0 [12206.050119][ T7704] ip6_route_info_create+0xf18/0x17d0 [12206.050119][ T7704] addrconf_f6i_alloc+0x315/0x560 [12206.050119][ T7704] ipv6_add_addr+0x411/0x2000 [12206.050119][ T7704] inet6_addr_add+0x30e/0xa40 [12206.050119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12206.050119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12206.050119][ T7704] netlink_rcv_skb+0x130/0x360 [12206.050119][ T7704] netlink_unicast+0x449/0x710 [12206.050119][ T7704] netlink_sendmsg+0x723/0xbe0 [12206.050119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12206.050119][ T7704] ___sys_sendmsg+0xee/0x170 [12206.050119][ T7704] __sys_sendmsg+0xcd/0x170 [12206.050119][ T7704] do_syscall_64+0xc6/0x1e0 [12206.050119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12206.050119][ T7704] [12206.052546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12206.052546][ T7704] netdev_get_by_index+0x5e/0x80 [12206.052546][ T7704] fib6_nh_init+0x3d8/0x15b0 [12206.052546][ T7704] ip6_route_info_create+0xf18/0x17d0 [12206.052546][ T7704] ip6_route_add+0x1c/0x140 [12206.052546][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12206.052546][ T7704] addrconf_add_dev+0xe2/0x170 [12206.052546][ T7704] inet6_addr_add+0x12f/0xa40 [12206.052546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12206.052546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12206.052546][ T7704] netlink_rcv_skb+0x130/0x360 [12206.052546][ T7704] netlink_unicast+0x449/0x710 [12206.052546][ T7704] netlink_sendmsg+0x723/0xbe0 [12206.052546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12206.052546][ T7704] ___sys_sendmsg+0xee/0x170 [12206.052546][ T7704] __sys_sendmsg+0xcd/0x170 [12206.052546][ T7704] do_syscall_64+0xc6/0x1e0 [12206.052546][ T7704] [12206.054748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12206.054748][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12206.054748][ T7704] ipv6_find_idev+0x102/0x170 [12206.054748][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12206.054748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12206.054748][ T7704] netlink_rcv_skb+0x130/0x360 [12206.054748][ T7704] netlink_unicast+0x449/0x710 [12206.054748][ T7704] netlink_sendmsg+0x723/0xbe0 [12206.054748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12206.054748][ T7704] ___sys_sendmsg+0xee/0x170 [12206.054748][ T7704] __sys_sendmsg+0xcd/0x170 [12206.054748][ T7704] do_syscall_64+0xc6/0x1e0 [12206.054748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12206.054748][ T7704] [12206.056462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12206.056462][ T7704] neigh_parms_alloc+0x1e5/0x510 [12206.056462][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12206.056462][ T7704] ipv6_find_idev+0x102/0x170 [12206.056462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12206.056462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12206.056462][ T7704] netlink_rcv_skb+0x130/0x360 [12206.056462][ T7704] netlink_unicast+0x449/0x710 [12206.056462][ T7704] netlink_sendmsg+0x723/0xbe0 [12206.056462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12206.056462][ T7704] ___sys_sendmsg+0xee/0x170 [12206.056462][ T7704] __sys_sendmsg+0xcd/0x170 [12206.056462][ T7704] do_syscall_64+0xc6/0x1e0 [12206.056462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12206.056462][ T7704] [12216.310894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12216.311381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12216.311381][ T7704] netdev_get_by_index+0x5e/0x80 [12216.311381][ T7704] fib6_nh_init+0x3d8/0x15b0 [12216.311381][ T7704] ip6_route_info_create+0xf18/0x17d0 [12216.311381][ T7704] ip6_route_add+0x1c/0x140 [12216.311381][ T7704] addrconf_prefix_route+0x2a6/0x430 [12216.311381][ T7704] inet6_addr_add+0x4f8/0xa40 [12216.311381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12216.311381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12216.311381][ T7704] netlink_rcv_skb+0x130/0x360 [12216.311381][ T7704] netlink_unicast+0x449/0x710 [12216.311381][ T7704] netlink_sendmsg+0x723/0xbe0 [12216.311381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12216.311381][ T7704] ___sys_sendmsg+0xee/0x170 [12216.311381][ T7704] __sys_sendmsg+0xcd/0x170 [12216.311381][ T7704] do_syscall_64+0xc6/0x1e0 [12216.311381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12216.311381][ T7704] [12216.313659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12216.313659][ T7704] netdev_get_by_index+0x5e/0x80 [12216.313659][ T7704] fib6_nh_init+0x3d8/0x15b0 [12216.313659][ T7704] ip6_route_info_create+0xf18/0x17d0 [12216.313659][ T7704] addrconf_f6i_alloc+0x315/0x560 [12216.313659][ T7704] ipv6_add_addr+0x411/0x2000 [12216.313659][ T7704] inet6_addr_add+0x30e/0xa40 [12216.313659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12216.313659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12216.313659][ T7704] netlink_rcv_skb+0x130/0x360 [12216.313659][ T7704] netlink_unicast+0x449/0x710 [12216.313659][ T7704] netlink_sendmsg+0x723/0xbe0 [12216.313659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12216.313659][ T7704] ___sys_sendmsg+0xee/0x170 [12216.313659][ T7704] __sys_sendmsg+0xcd/0x170 [12216.313659][ T7704] do_syscall_64+0xc6/0x1e0 [12216.313659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12216.313659][ T7704] [12216.315901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12216.315901][ T7704] netdev_get_by_index+0x5e/0x80 [12216.315901][ T7704] fib6_nh_init+0x3d8/0x15b0 [12216.315901][ T7704] ip6_route_info_create+0xf18/0x17d0 [12216.315901][ T7704] ip6_route_add+0x1c/0x140 [12216.315901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12216.315901][ T7704] addrconf_add_dev+0xe2/0x170 [12216.315901][ T7704] inet6_addr_add+0x12f/0xa40 [12216.315901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12216.315901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12216.315901][ T7704] netlink_rcv_skb+0x130/0x360 [12216.315901][ T7704] netlink_unicast+0x449/0x710 [12216.315901][ T7704] netlink_sendmsg+0x723/0xbe0 [12216.315901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12216.315901][ T7704] ___sys_sendmsg+0xee/0x170 [12216.315901][ T7704] __sys_sendmsg+0xcd/0x170 [12216.315901][ T7704] do_syscall_64+0xc6/0x1e0 [12216.315901][ T7704] [12216.318112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12216.318112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12216.318112][ T7704] ipv6_find_idev+0x102/0x170 [12216.318112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12216.318112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12216.318112][ T7704] netlink_rcv_skb+0x130/0x360 [12216.318112][ T7704] netlink_unicast+0x449/0x710 [12216.318112][ T7704] netlink_sendmsg+0x723/0xbe0 [12216.318112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12216.318112][ T7704] ___sys_sendmsg+0xee/0x170 [12216.318112][ T7704] __sys_sendmsg+0xcd/0x170 [12216.318112][ T7704] do_syscall_64+0xc6/0x1e0 [12216.318112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12216.318112][ T7704] [12216.319841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12216.319841][ T7704] neigh_parms_alloc+0x1e5/0x510 [12216.319841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12216.319841][ T7704] ipv6_find_idev+0x102/0x170 [12216.319841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12216.319841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12216.319841][ T7704] netlink_rcv_skb+0x130/0x360 [12216.319841][ T7704] netlink_unicast+0x449/0x710 [12216.319841][ T7704] netlink_sendmsg+0x723/0xbe0 [12216.319841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12216.319841][ T7704] ___sys_sendmsg+0xee/0x170 [12216.319841][ T7704] __sys_sendmsg+0xcd/0x170 [12216.319841][ T7704] do_syscall_64+0xc6/0x1e0 [12216.319841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12216.319841][ T7704] [12226.454932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12226.455438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12226.455438][ T7704] netdev_get_by_index+0x5e/0x80 [12226.455438][ T7704] fib6_nh_init+0x3d8/0x15b0 [12226.455438][ T7704] ip6_route_info_create+0xf18/0x17d0 [12226.455438][ T7704] ip6_route_add+0x1c/0x140 [12226.455438][ T7704] addrconf_prefix_route+0x2a6/0x430 [12226.455438][ T7704] inet6_addr_add+0x4f8/0xa40 [12226.455438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12226.455438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12226.455438][ T7704] netlink_rcv_skb+0x130/0x360 [12226.455438][ T7704] netlink_unicast+0x449/0x710 [12226.455438][ T7704] netlink_sendmsg+0x723/0xbe0 [12226.455438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12226.455438][ T7704] ___sys_sendmsg+0xee/0x170 [12226.455438][ T7704] __sys_sendmsg+0xcd/0x170 [12226.455438][ T7704] do_syscall_64+0xc6/0x1e0 [12226.455438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12226.455438][ T7704] [12226.457711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12226.457711][ T7704] netdev_get_by_index+0x5e/0x80 [12226.457711][ T7704] fib6_nh_init+0x3d8/0x15b0 [12226.457711][ T7704] ip6_route_info_create+0xf18/0x17d0 [12226.457711][ T7704] addrconf_f6i_alloc+0x315/0x560 [12226.457711][ T7704] ipv6_add_addr+0x411/0x2000 [12226.457711][ T7704] inet6_addr_add+0x30e/0xa40 [12226.457711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12226.457711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12226.457711][ T7704] netlink_rcv_skb+0x130/0x360 [12226.457711][ T7704] netlink_unicast+0x449/0x710 [12226.457711][ T7704] netlink_sendmsg+0x723/0xbe0 [12226.457711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12226.457711][ T7704] ___sys_sendmsg+0xee/0x170 [12226.457711][ T7704] __sys_sendmsg+0xcd/0x170 [12226.457711][ T7704] do_syscall_64+0xc6/0x1e0 [12226.457711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12226.457711][ T7704] [12226.459945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12226.459945][ T7704] netdev_get_by_index+0x5e/0x80 [12226.459945][ T7704] fib6_nh_init+0x3d8/0x15b0 [12226.459945][ T7704] ip6_route_info_create+0xf18/0x17d0 [12226.459945][ T7704] ip6_route_add+0x1c/0x140 [12226.459945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12226.459945][ T7704] addrconf_add_dev+0xe2/0x170 [12226.459945][ T7704] inet6_addr_add+0x12f/0xa40 [12226.459945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12226.459945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12226.459945][ T7704] netlink_rcv_skb+0x130/0x360 [12226.459945][ T7704] netlink_unicast+0x449/0x710 [12226.459945][ T7704] netlink_sendmsg+0x723/0xbe0 [12226.459945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12226.459945][ T7704] ___sys_sendmsg+0xee/0x170 [12226.459945][ T7704] __sys_sendmsg+0xcd/0x170 [12226.459945][ T7704] do_syscall_64+0xc6/0x1e0 [12226.459945][ T7704] [12226.462278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12226.462278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12226.462278][ T7704] ipv6_find_idev+0x102/0x170 [12226.462278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12226.462278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12226.462278][ T7704] netlink_rcv_skb+0x130/0x360 [12226.462278][ T7704] netlink_unicast+0x449/0x710 [12226.462278][ T7704] netlink_sendmsg+0x723/0xbe0 [12226.462278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12226.462278][ T7704] ___sys_sendmsg+0xee/0x170 [12226.462278][ T7704] __sys_sendmsg+0xcd/0x170 [12226.462278][ T7704] do_syscall_64+0xc6/0x1e0 [12226.462278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12226.462278][ T7704] [12226.464027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12226.464027][ T7704] neigh_parms_alloc+0x1e5/0x510 [12226.464027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12226.464027][ T7704] ipv6_find_idev+0x102/0x170 [12226.464027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12226.464027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12226.464027][ T7704] netlink_rcv_skb+0x130/0x360 [12226.464027][ T7704] netlink_unicast+0x449/0x710 [12226.464027][ T7704] netlink_sendmsg+0x723/0xbe0 [12226.464027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12226.464027][ T7704] ___sys_sendmsg+0xee/0x170 [12226.464027][ T7704] __sys_sendmsg+0xcd/0x170 [12226.464027][ T7704] do_syscall_64+0xc6/0x1e0 [12226.464027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12226.464027][ T7704] [12236.702935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12236.703435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12236.703435][ T7704] netdev_get_by_index+0x5e/0x80 [12236.703435][ T7704] fib6_nh_init+0x3d8/0x15b0 [12236.703435][ T7704] ip6_route_info_create+0xf18/0x17d0 [12236.703435][ T7704] ip6_route_add+0x1c/0x140 [12236.703435][ T7704] addrconf_prefix_route+0x2a6/0x430 [12236.703435][ T7704] inet6_addr_add+0x4f8/0xa40 [12236.703435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12236.703435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12236.703435][ T7704] netlink_rcv_skb+0x130/0x360 [12236.703435][ T7704] netlink_unicast+0x449/0x710 [12236.703435][ T7704] netlink_sendmsg+0x723/0xbe0 [12236.703435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12236.703435][ T7704] ___sys_sendmsg+0xee/0x170 [12236.703435][ T7704] __sys_sendmsg+0xcd/0x170 [12236.703435][ T7704] do_syscall_64+0xc6/0x1e0 [12236.703435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12236.703435][ T7704] [12236.705715][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12236.705715][ T7704] netdev_get_by_index+0x5e/0x80 [12236.705715][ T7704] fib6_nh_init+0x3d8/0x15b0 [12236.705715][ T7704] ip6_route_info_create+0xf18/0x17d0 [12236.705715][ T7704] addrconf_f6i_alloc+0x315/0x560 [12236.705715][ T7704] ipv6_add_addr+0x411/0x2000 [12236.705715][ T7704] inet6_addr_add+0x30e/0xa40 [12236.705715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12236.705715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12236.705715][ T7704] netlink_rcv_skb+0x130/0x360 [12236.705715][ T7704] netlink_unicast+0x449/0x710 [12236.705715][ T7704] netlink_sendmsg+0x723/0xbe0 [12236.705715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12236.705715][ T7704] ___sys_sendmsg+0xee/0x170 [12236.705715][ T7704] __sys_sendmsg+0xcd/0x170 [12236.705715][ T7704] do_syscall_64+0xc6/0x1e0 [12236.705715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12236.705715][ T7704] [12236.707971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12236.707971][ T7704] netdev_get_by_index+0x5e/0x80 [12236.707971][ T7704] fib6_nh_init+0x3d8/0x15b0 [12236.707971][ T7704] ip6_route_info_create+0xf18/0x17d0 [12236.707971][ T7704] ip6_route_add+0x1c/0x140 [12236.707971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12236.707971][ T7704] addrconf_add_dev+0xe2/0x170 [12236.707971][ T7704] inet6_addr_add+0x12f/0xa40 [12236.707971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12236.707971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12236.707971][ T7704] netlink_rcv_skb+0x130/0x360 [12236.707971][ T7704] netlink_unicast+0x449/0x710 [12236.707971][ T7704] netlink_sendmsg+0x723/0xbe0 [12236.707971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12236.707971][ T7704] ___sys_sendmsg+0xee/0x170 [12236.707971][ T7704] __sys_sendmsg+0xcd/0x170 [12236.707971][ T7704] do_syscall_64+0xc6/0x1e0 [12236.707971][ T7704] [12236.710183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12236.710183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12236.710183][ T7704] ipv6_find_idev+0x102/0x170 [12236.710183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12236.710183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12236.710183][ T7704] netlink_rcv_skb+0x130/0x360 [12236.710183][ T7704] netlink_unicast+0x449/0x710 [12236.710183][ T7704] netlink_sendmsg+0x723/0xbe0 [12236.710183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12236.710183][ T7704] ___sys_sendmsg+0xee/0x170 [12236.710183][ T7704] __sys_sendmsg+0xcd/0x170 [12236.710183][ T7704] do_syscall_64+0xc6/0x1e0 [12236.710183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12236.710183][ T7704] [12236.712455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12236.712455][ T7704] neigh_parms_alloc+0x1e5/0x510 [12236.712455][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12236.712455][ T7704] ipv6_find_idev+0x102/0x170 [12236.712455][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12236.712455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12236.712455][ T7704] netlink_rcv_skb+0x130/0x360 [12236.712455][ T7704] netlink_unicast+0x449/0x710 [12236.712455][ T7704] netlink_sendmsg+0x723/0xbe0 [12236.712455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12236.712455][ T7704] ___sys_sendmsg+0xee/0x170 [12236.712455][ T7704] __sys_sendmsg+0xcd/0x170 [12236.712455][ T7704] do_syscall_64+0xc6/0x1e0 [12236.712455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12236.712455][ T7704] [12246.950863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12246.951348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12246.951348][ T7704] netdev_get_by_index+0x5e/0x80 [12246.951348][ T7704] fib6_nh_init+0x3d8/0x15b0 [12246.951348][ T7704] ip6_route_info_create+0xf18/0x17d0 [12246.951348][ T7704] ip6_route_add+0x1c/0x140 [12246.951348][ T7704] addrconf_prefix_route+0x2a6/0x430 [12246.951348][ T7704] inet6_addr_add+0x4f8/0xa40 [12246.951348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12246.951348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12246.951348][ T7704] netlink_rcv_skb+0x130/0x360 [12246.951348][ T7704] netlink_unicast+0x449/0x710 [12246.951348][ T7704] netlink_sendmsg+0x723/0xbe0 [12246.951348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12246.951348][ T7704] ___sys_sendmsg+0xee/0x170 [12246.951348][ T7704] __sys_sendmsg+0xcd/0x170 [12246.951348][ T7704] do_syscall_64+0xc6/0x1e0 [12246.951348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12246.951348][ T7704] [12246.953625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12246.953625][ T7704] netdev_get_by_index+0x5e/0x80 [12246.953625][ T7704] fib6_nh_init+0x3d8/0x15b0 [12246.953625][ T7704] ip6_route_info_create+0xf18/0x17d0 [12246.953625][ T7704] addrconf_f6i_alloc+0x315/0x560 [12246.953625][ T7704] ipv6_add_addr+0x411/0x2000 [12246.953625][ T7704] inet6_addr_add+0x30e/0xa40 [12246.953625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12246.953625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12246.953625][ T7704] netlink_rcv_skb+0x130/0x360 [12246.953625][ T7704] netlink_unicast+0x449/0x710 [12246.953625][ T7704] netlink_sendmsg+0x723/0xbe0 [12246.953625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12246.953625][ T7704] ___sys_sendmsg+0xee/0x170 [12246.953625][ T7704] __sys_sendmsg+0xcd/0x170 [12246.953625][ T7704] do_syscall_64+0xc6/0x1e0 [12246.953625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12246.953625][ T7704] [12246.955867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12246.955867][ T7704] netdev_get_by_index+0x5e/0x80 [12246.955867][ T7704] fib6_nh_init+0x3d8/0x15b0 [12246.955867][ T7704] ip6_route_info_create+0xf18/0x17d0 [12246.955867][ T7704] ip6_route_add+0x1c/0x140 [12246.955867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12246.955867][ T7704] addrconf_add_dev+0xe2/0x170 [12246.955867][ T7704] inet6_addr_add+0x12f/0xa40 [12246.955867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12246.955867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12246.955867][ T7704] netlink_rcv_skb+0x130/0x360 [12246.955867][ T7704] netlink_unicast+0x449/0x710 [12246.955867][ T7704] netlink_sendmsg+0x723/0xbe0 [12246.955867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12246.955867][ T7704] ___sys_sendmsg+0xee/0x170 [12246.955867][ T7704] __sys_sendmsg+0xcd/0x170 [12246.955867][ T7704] do_syscall_64+0xc6/0x1e0 [12246.955867][ T7704] [12246.958084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12246.958084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12246.958084][ T7704] ipv6_find_idev+0x102/0x170 [12246.958084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12246.958084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12246.958084][ T7704] netlink_rcv_skb+0x130/0x360 [12246.958084][ T7704] netlink_unicast+0x449/0x710 [12246.958084][ T7704] netlink_sendmsg+0x723/0xbe0 [12246.958084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12246.958084][ T7704] ___sys_sendmsg+0xee/0x170 [12246.958084][ T7704] __sys_sendmsg+0xcd/0x170 [12246.958084][ T7704] do_syscall_64+0xc6/0x1e0 [12246.958084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12246.958084][ T7704] [12246.959811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12246.959811][ T7704] neigh_parms_alloc+0x1e5/0x510 [12246.959811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12246.959811][ T7704] ipv6_find_idev+0x102/0x170 [12246.959811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12246.959811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12246.959811][ T7704] netlink_rcv_skb+0x130/0x360 [12246.959811][ T7704] netlink_unicast+0x449/0x710 [12246.959811][ T7704] netlink_sendmsg+0x723/0xbe0 [12246.959811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12246.959811][ T7704] ___sys_sendmsg+0xee/0x170 [12246.959811][ T7704] __sys_sendmsg+0xcd/0x170 [12246.959811][ T7704] do_syscall_64+0xc6/0x1e0 [12246.959811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12246.959811][ T7704] [12257.198862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12257.199354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12257.199354][ T7704] netdev_get_by_index+0x5e/0x80 [12257.199354][ T7704] fib6_nh_init+0x3d8/0x15b0 [12257.199354][ T7704] ip6_route_info_create+0xf18/0x17d0 [12257.199354][ T7704] ip6_route_add+0x1c/0x140 [12257.199354][ T7704] addrconf_prefix_route+0x2a6/0x430 [12257.199354][ T7704] inet6_addr_add+0x4f8/0xa40 [12257.199354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12257.199354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12257.199354][ T7704] netlink_rcv_skb+0x130/0x360 [12257.199354][ T7704] netlink_unicast+0x449/0x710 [12257.199354][ T7704] netlink_sendmsg+0x723/0xbe0 [12257.199354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12257.199354][ T7704] ___sys_sendmsg+0xee/0x170 [12257.199354][ T7704] __sys_sendmsg+0xcd/0x170 [12257.199354][ T7704] do_syscall_64+0xc6/0x1e0 [12257.199354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12257.199354][ T7704] [12257.201621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12257.201621][ T7704] netdev_get_by_index+0x5e/0x80 [12257.201621][ T7704] fib6_nh_init+0x3d8/0x15b0 [12257.201621][ T7704] ip6_route_info_create+0xf18/0x17d0 [12257.201621][ T7704] addrconf_f6i_alloc+0x315/0x560 [12257.201621][ T7704] ipv6_add_addr+0x411/0x2000 [12257.201621][ T7704] inet6_addr_add+0x30e/0xa40 [12257.201621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12257.201621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12257.201621][ T7704] netlink_rcv_skb+0x130/0x360 [12257.201621][ T7704] netlink_unicast+0x449/0x710 [12257.201621][ T7704] netlink_sendmsg+0x723/0xbe0 [12257.201621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12257.201621][ T7704] ___sys_sendmsg+0xee/0x170 [12257.201621][ T7704] __sys_sendmsg+0xcd/0x170 [12257.201621][ T7704] do_syscall_64+0xc6/0x1e0 [12257.201621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12257.201621][ T7704] [12257.203873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12257.203873][ T7704] netdev_get_by_index+0x5e/0x80 [12257.203873][ T7704] fib6_nh_init+0x3d8/0x15b0 [12257.203873][ T7704] ip6_route_info_create+0xf18/0x17d0 [12257.203873][ T7704] ip6_route_add+0x1c/0x140 [12257.203873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12257.203873][ T7704] addrconf_add_dev+0xe2/0x170 [12257.203873][ T7704] inet6_addr_add+0x12f/0xa40 [12257.203873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12257.203873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12257.203873][ T7704] netlink_rcv_skb+0x130/0x360 [12257.203873][ T7704] netlink_unicast+0x449/0x710 [12257.203873][ T7704] netlink_sendmsg+0x723/0xbe0 [12257.203873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12257.203873][ T7704] ___sys_sendmsg+0xee/0x170 [12257.203873][ T7704] __sys_sendmsg+0xcd/0x170 [12257.203873][ T7704] do_syscall_64+0xc6/0x1e0 [12257.203873][ T7704] [12257.206087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12257.206087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12257.206087][ T7704] ipv6_find_idev+0x102/0x170 [12257.206087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12257.206087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12257.206087][ T7704] netlink_rcv_skb+0x130/0x360 [12257.206087][ T7704] netlink_unicast+0x449/0x710 [12257.206087][ T7704] netlink_sendmsg+0x723/0xbe0 [12257.206087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12257.206087][ T7704] ___sys_sendmsg+0xee/0x170 [12257.206087][ T7704] __sys_sendmsg+0xcd/0x170 [12257.206087][ T7704] do_syscall_64+0xc6/0x1e0 [12257.206087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12257.206087][ T7704] [12257.207815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12257.207815][ T7704] neigh_parms_alloc+0x1e5/0x510 [12257.207815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12257.207815][ T7704] ipv6_find_idev+0x102/0x170 [12257.207815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12257.207815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12257.207815][ T7704] netlink_rcv_skb+0x130/0x360 [12257.207815][ T7704] netlink_unicast+0x449/0x710 [12257.207815][ T7704] netlink_sendmsg+0x723/0xbe0 [12257.207815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12257.207815][ T7704] ___sys_sendmsg+0xee/0x170 [12257.207815][ T7704] __sys_sendmsg+0xcd/0x170 [12257.207815][ T7704] do_syscall_64+0xc6/0x1e0 [12257.207815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12257.207815][ T7704] [12267.446953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12267.447432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12267.447432][ T7704] netdev_get_by_index+0x5e/0x80 [12267.447432][ T7704] fib6_nh_init+0x3d8/0x15b0 [12267.447432][ T7704] ip6_route_info_create+0xf18/0x17d0 [12267.447432][ T7704] ip6_route_add+0x1c/0x140 [12267.447432][ T7704] addrconf_prefix_route+0x2a6/0x430 [12267.447432][ T7704] inet6_addr_add+0x4f8/0xa40 [12267.447432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12267.447432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12267.447432][ T7704] netlink_rcv_skb+0x130/0x360 [12267.447432][ T7704] netlink_unicast+0x449/0x710 [12267.447432][ T7704] netlink_sendmsg+0x723/0xbe0 [12267.447432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12267.447432][ T7704] ___sys_sendmsg+0xee/0x170 [12267.447432][ T7704] __sys_sendmsg+0xcd/0x170 [12267.447432][ T7704] do_syscall_64+0xc6/0x1e0 [12267.447432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12267.447432][ T7704] [12267.449698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12267.449698][ T7704] netdev_get_by_index+0x5e/0x80 [12267.449698][ T7704] fib6_nh_init+0x3d8/0x15b0 [12267.449698][ T7704] ip6_route_info_create+0xf18/0x17d0 [12267.449698][ T7704] addrconf_f6i_alloc+0x315/0x560 [12267.449698][ T7704] ipv6_add_addr+0x411/0x2000 [12267.449698][ T7704] inet6_addr_add+0x30e/0xa40 [12267.449698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12267.449698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12267.449698][ T7704] netlink_rcv_skb+0x130/0x360 [12267.449698][ T7704] netlink_unicast+0x449/0x710 [12267.449698][ T7704] netlink_sendmsg+0x723/0xbe0 [12267.449698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12267.449698][ T7704] ___sys_sendmsg+0xee/0x170 [12267.449698][ T7704] __sys_sendmsg+0xcd/0x170 [12267.449698][ T7704] do_syscall_64+0xc6/0x1e0 [12267.449698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12267.449698][ T7704] [12267.451902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12267.451902][ T7704] netdev_get_by_index+0x5e/0x80 [12267.451902][ T7704] fib6_nh_init+0x3d8/0x15b0 [12267.451902][ T7704] ip6_route_info_create+0xf18/0x17d0 [12267.451902][ T7704] ip6_route_add+0x1c/0x140 [12267.451902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12267.451902][ T7704] addrconf_add_dev+0xe2/0x170 [12267.451902][ T7704] inet6_addr_add+0x12f/0xa40 [12267.451902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12267.451902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12267.451902][ T7704] netlink_rcv_skb+0x130/0x360 [12267.451902][ T7704] netlink_unicast+0x449/0x710 [12267.451902][ T7704] netlink_sendmsg+0x723/0xbe0 [12267.451902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12267.451902][ T7704] ___sys_sendmsg+0xee/0x170 [12267.451902][ T7704] __sys_sendmsg+0xcd/0x170 [12267.451902][ T7704] do_syscall_64+0xc6/0x1e0 [12267.451902][ T7704] [12267.454081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12267.454081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12267.454081][ T7704] ipv6_find_idev+0x102/0x170 [12267.454081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12267.454081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12267.454081][ T7704] netlink_rcv_skb+0x130/0x360 [12267.454081][ T7704] netlink_unicast+0x449/0x710 [12267.454081][ T7704] netlink_sendmsg+0x723/0xbe0 [12267.454081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12267.454081][ T7704] ___sys_sendmsg+0xee/0x170 [12267.454081][ T7704] __sys_sendmsg+0xcd/0x170 [12267.454081][ T7704] do_syscall_64+0xc6/0x1e0 [12267.454081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12267.454081][ T7704] [12267.455781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12267.455781][ T7704] neigh_parms_alloc+0x1e5/0x510 [12267.455781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12267.455781][ T7704] ipv6_find_idev+0x102/0x170 [12267.455781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12267.455781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12267.455781][ T7704] netlink_rcv_skb+0x130/0x360 [12267.455781][ T7704] netlink_unicast+0x449/0x710 [12267.455781][ T7704] netlink_sendmsg+0x723/0xbe0 [12267.455781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12267.455781][ T7704] ___sys_sendmsg+0xee/0x170 [12267.455781][ T7704] __sys_sendmsg+0xcd/0x170 [12267.455781][ T7704] do_syscall_64+0xc6/0x1e0 [12267.455781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12267.455781][ T7704] [12277.694933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12277.695425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12277.695425][ T7704] netdev_get_by_index+0x5e/0x80 [12277.695425][ T7704] fib6_nh_init+0x3d8/0x15b0 [12277.695425][ T7704] ip6_route_info_create+0xf18/0x17d0 [12277.695425][ T7704] ip6_route_add+0x1c/0x140 [12277.695425][ T7704] addrconf_prefix_route+0x2a6/0x430 [12277.695425][ T7704] inet6_addr_add+0x4f8/0xa40 [12277.695425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12277.695425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12277.695425][ T7704] netlink_rcv_skb+0x130/0x360 [12277.695425][ T7704] netlink_unicast+0x449/0x710 [12277.695425][ T7704] netlink_sendmsg+0x723/0xbe0 [12277.695425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12277.695425][ T7704] ___sys_sendmsg+0xee/0x170 [12277.695425][ T7704] __sys_sendmsg+0xcd/0x170 [12277.695425][ T7704] do_syscall_64+0xc6/0x1e0 [12277.695425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12277.695425][ T7704] [12277.697666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12277.697666][ T7704] netdev_get_by_index+0x5e/0x80 [12277.697666][ T7704] fib6_nh_init+0x3d8/0x15b0 [12277.697666][ T7704] ip6_route_info_create+0xf18/0x17d0 [12277.697666][ T7704] addrconf_f6i_alloc+0x315/0x560 [12277.697666][ T7704] ipv6_add_addr+0x411/0x2000 [12277.697666][ T7704] inet6_addr_add+0x30e/0xa40 [12277.697666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12277.697666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12277.697666][ T7704] netlink_rcv_skb+0x130/0x360 [12277.697666][ T7704] netlink_unicast+0x449/0x710 [12277.697666][ T7704] netlink_sendmsg+0x723/0xbe0 [12277.697666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12277.697666][ T7704] ___sys_sendmsg+0xee/0x170 [12277.697666][ T7704] __sys_sendmsg+0xcd/0x170 [12277.697666][ T7704] do_syscall_64+0xc6/0x1e0 [12277.697666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12277.697666][ T7704] [12277.699879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12277.699879][ T7704] netdev_get_by_index+0x5e/0x80 [12277.699879][ T7704] fib6_nh_init+0x3d8/0x15b0 [12277.699879][ T7704] ip6_route_info_create+0xf18/0x17d0 [12277.699879][ T7704] ip6_route_add+0x1c/0x140 [12277.699879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12277.699879][ T7704] addrconf_add_dev+0xe2/0x170 [12277.699879][ T7704] inet6_addr_add+0x12f/0xa40 [12277.699879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12277.699879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12277.699879][ T7704] netlink_rcv_skb+0x130/0x360 [12277.699879][ T7704] netlink_unicast+0x449/0x710 [12277.699879][ T7704] netlink_sendmsg+0x723/0xbe0 [12277.699879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12277.699879][ T7704] ___sys_sendmsg+0xee/0x170 [12277.699879][ T7704] __sys_sendmsg+0xcd/0x170 [12277.699879][ T7704] do_syscall_64+0xc6/0x1e0 [12277.699879][ T7704] [12277.702059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12277.702059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12277.702059][ T7704] ipv6_find_idev+0x102/0x170 [12277.702059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12277.702059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12277.702059][ T7704] netlink_rcv_skb+0x130/0x360 [12277.702059][ T7704] netlink_unicast+0x449/0x710 [12277.702059][ T7704] netlink_sendmsg+0x723/0xbe0 [12277.702059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12277.702059][ T7704] ___sys_sendmsg+0xee/0x170 [12277.702059][ T7704] __sys_sendmsg+0xcd/0x170 [12277.702059][ T7704] do_syscall_64+0xc6/0x1e0 [12277.702059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12277.702059][ T7704] [12277.703765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12277.703765][ T7704] neigh_parms_alloc+0x1e5/0x510 [12277.703765][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12277.703765][ T7704] ipv6_find_idev+0x102/0x170 [12277.703765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12277.703765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12277.703765][ T7704] netlink_rcv_skb+0x130/0x360 [12277.703765][ T7704] netlink_unicast+0x449/0x710 [12277.703765][ T7704] netlink_sendmsg+0x723/0xbe0 [12277.703765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12277.703765][ T7704] ___sys_sendmsg+0xee/0x170 [12277.703765][ T7704] __sys_sendmsg+0xcd/0x170 [12277.703765][ T7704] do_syscall_64+0xc6/0x1e0 [12277.703765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12277.703765][ T7704] [12287.942868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12287.943345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12287.943345][ T7704] netdev_get_by_index+0x5e/0x80 [12287.943345][ T7704] fib6_nh_init+0x3d8/0x15b0 [12287.943345][ T7704] ip6_route_info_create+0xf18/0x17d0 [12287.943345][ T7704] ip6_route_add+0x1c/0x140 [12287.943345][ T7704] addrconf_prefix_route+0x2a6/0x430 [12287.943345][ T7704] inet6_addr_add+0x4f8/0xa40 [12287.943345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12287.943345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12287.943345][ T7704] netlink_rcv_skb+0x130/0x360 [12287.943345][ T7704] netlink_unicast+0x449/0x710 [12287.943345][ T7704] netlink_sendmsg+0x723/0xbe0 [12287.943345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12287.943345][ T7704] ___sys_sendmsg+0xee/0x170 [12287.943345][ T7704] __sys_sendmsg+0xcd/0x170 [12287.943345][ T7704] do_syscall_64+0xc6/0x1e0 [12287.943345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12287.943345][ T7704] [12287.945584][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12287.945584][ T7704] netdev_get_by_index+0x5e/0x80 [12287.945584][ T7704] fib6_nh_init+0x3d8/0x15b0 [12287.945584][ T7704] ip6_route_info_create+0xf18/0x17d0 [12287.945584][ T7704] addrconf_f6i_alloc+0x315/0x560 [12287.945584][ T7704] ipv6_add_addr+0x411/0x2000 [12287.945584][ T7704] inet6_addr_add+0x30e/0xa40 [12287.945584][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12287.945584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12287.945584][ T7704] netlink_rcv_skb+0x130/0x360 [12287.945584][ T7704] netlink_unicast+0x449/0x710 [12287.945584][ T7704] netlink_sendmsg+0x723/0xbe0 [12287.945584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12287.945584][ T7704] ___sys_sendmsg+0xee/0x170 [12287.945584][ T7704] __sys_sendmsg+0xcd/0x170 [12287.945584][ T7704] do_syscall_64+0xc6/0x1e0 [12287.945584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12287.945584][ T7704] [12287.947799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12287.947799][ T7704] netdev_get_by_index+0x5e/0x80 [12287.947799][ T7704] fib6_nh_init+0x3d8/0x15b0 [12287.947799][ T7704] ip6_route_info_create+0xf18/0x17d0 [12287.947799][ T7704] ip6_route_add+0x1c/0x140 [12287.947799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12287.947799][ T7704] addrconf_add_dev+0xe2/0x170 [12287.947799][ T7704] inet6_addr_add+0x12f/0xa40 [12287.947799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12287.947799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12287.947799][ T7704] netlink_rcv_skb+0x130/0x360 [12287.947799][ T7704] netlink_unicast+0x449/0x710 [12287.947799][ T7704] netlink_sendmsg+0x723/0xbe0 [12287.947799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12287.947799][ T7704] ___sys_sendmsg+0xee/0x170 [12287.947799][ T7704] __sys_sendmsg+0xcd/0x170 [12287.947799][ T7704] do_syscall_64+0xc6/0x1e0 [12287.947799][ T7704] [12287.950002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12287.950002][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12287.950002][ T7704] ipv6_find_idev+0x102/0x170 [12287.950002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12287.950002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12287.950002][ T7704] netlink_rcv_skb+0x130/0x360 [12287.950002][ T7704] netlink_unicast+0x449/0x710 [12287.950002][ T7704] netlink_sendmsg+0x723/0xbe0 [12287.950002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12287.950002][ T7704] ___sys_sendmsg+0xee/0x170 [12287.950002][ T7704] __sys_sendmsg+0xcd/0x170 [12287.950002][ T7704] do_syscall_64+0xc6/0x1e0 [12287.950002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12287.950002][ T7704] [12287.951719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12287.951719][ T7704] neigh_parms_alloc+0x1e5/0x510 [12287.951719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12287.951719][ T7704] ipv6_find_idev+0x102/0x170 [12287.951719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12287.951719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12287.951719][ T7704] netlink_rcv_skb+0x130/0x360 [12287.951719][ T7704] netlink_unicast+0x449/0x710 [12287.951719][ T7704] netlink_sendmsg+0x723/0xbe0 [12287.951719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12287.951719][ T7704] ___sys_sendmsg+0xee/0x170 [12287.951719][ T7704] __sys_sendmsg+0xcd/0x170 [12287.951719][ T7704] do_syscall_64+0xc6/0x1e0 [12287.951719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12287.951719][ T7704] [12298.190931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12298.191426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12298.191426][ T7704] netdev_get_by_index+0x5e/0x80 [12298.191426][ T7704] fib6_nh_init+0x3d8/0x15b0 [12298.191426][ T7704] ip6_route_info_create+0xf18/0x17d0 [12298.191426][ T7704] ip6_route_add+0x1c/0x140 [12298.191426][ T7704] addrconf_prefix_route+0x2a6/0x430 [12298.191426][ T7704] inet6_addr_add+0x4f8/0xa40 [12298.191426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12298.191426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12298.191426][ T7704] netlink_rcv_skb+0x130/0x360 [12298.191426][ T7704] netlink_unicast+0x449/0x710 [12298.191426][ T7704] netlink_sendmsg+0x723/0xbe0 [12298.191426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12298.191426][ T7704] ___sys_sendmsg+0xee/0x170 [12298.191426][ T7704] __sys_sendmsg+0xcd/0x170 [12298.191426][ T7704] do_syscall_64+0xc6/0x1e0 [12298.191426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12298.191426][ T7704] [12298.193711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12298.193711][ T7704] netdev_get_by_index+0x5e/0x80 [12298.193711][ T7704] fib6_nh_init+0x3d8/0x15b0 [12298.193711][ T7704] ip6_route_info_create+0xf18/0x17d0 [12298.193711][ T7704] addrconf_f6i_alloc+0x315/0x560 [12298.193711][ T7704] ipv6_add_addr+0x411/0x2000 [12298.193711][ T7704] inet6_addr_add+0x30e/0xa40 [12298.193711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12298.193711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12298.193711][ T7704] netlink_rcv_skb+0x130/0x360 [12298.193711][ T7704] netlink_unicast+0x449/0x710 [12298.193711][ T7704] netlink_sendmsg+0x723/0xbe0 [12298.193711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12298.193711][ T7704] ___sys_sendmsg+0xee/0x170 [12298.193711][ T7704] __sys_sendmsg+0xcd/0x170 [12298.193711][ T7704] do_syscall_64+0xc6/0x1e0 [12298.193711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12298.193711][ T7704] [12298.195940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12298.195940][ T7704] netdev_get_by_index+0x5e/0x80 [12298.195940][ T7704] fib6_nh_init+0x3d8/0x15b0 [12298.195940][ T7704] ip6_route_info_create+0xf18/0x17d0 [12298.195940][ T7704] ip6_route_add+0x1c/0x140 [12298.195940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12298.195940][ T7704] addrconf_add_dev+0xe2/0x170 [12298.195940][ T7704] inet6_addr_add+0x12f/0xa40 [12298.195940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12298.195940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12298.195940][ T7704] netlink_rcv_skb+0x130/0x360 [12298.195940][ T7704] netlink_unicast+0x449/0x710 [12298.195940][ T7704] netlink_sendmsg+0x723/0xbe0 [12298.195940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12298.195940][ T7704] ___sys_sendmsg+0xee/0x170 [12298.195940][ T7704] __sys_sendmsg+0xcd/0x170 [12298.195940][ T7704] do_syscall_64+0xc6/0x1e0 [12298.195940][ T7704] [12298.198117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12298.198117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12298.198117][ T7704] ipv6_find_idev+0x102/0x170 [12298.198117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12298.198117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12298.198117][ T7704] netlink_rcv_skb+0x130/0x360 [12298.198117][ T7704] netlink_unicast+0x449/0x710 [12298.198117][ T7704] netlink_sendmsg+0x723/0xbe0 [12298.198117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12298.198117][ T7704] ___sys_sendmsg+0xee/0x170 [12298.198117][ T7704] __sys_sendmsg+0xcd/0x170 [12298.198117][ T7704] do_syscall_64+0xc6/0x1e0 [12298.198117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12298.198117][ T7704] [12298.199826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12298.199826][ T7704] neigh_parms_alloc+0x1e5/0x510 [12298.199826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12298.199826][ T7704] ipv6_find_idev+0x102/0x170 [12298.199826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12298.199826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12298.199826][ T7704] netlink_rcv_skb+0x130/0x360 [12298.199826][ T7704] netlink_unicast+0x449/0x710 [12298.199826][ T7704] netlink_sendmsg+0x723/0xbe0 [12298.199826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12298.199826][ T7704] ___sys_sendmsg+0xee/0x170 [12298.199826][ T7704] __sys_sendmsg+0xcd/0x170 [12298.199826][ T7704] do_syscall_64+0xc6/0x1e0 [12298.199826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12298.199826][ T7704] [12308.438962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12308.439471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12308.439471][ T7704] netdev_get_by_index+0x5e/0x80 [12308.439471][ T7704] fib6_nh_init+0x3d8/0x15b0 [12308.439471][ T7704] ip6_route_info_create+0xf18/0x17d0 [12308.439471][ T7704] ip6_route_add+0x1c/0x140 [12308.439471][ T7704] addrconf_prefix_route+0x2a6/0x430 [12308.439471][ T7704] inet6_addr_add+0x4f8/0xa40 [12308.439471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12308.439471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12308.439471][ T7704] netlink_rcv_skb+0x130/0x360 [12308.439471][ T7704] netlink_unicast+0x449/0x710 [12308.439471][ T7704] netlink_sendmsg+0x723/0xbe0 [12308.439471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12308.439471][ T7704] ___sys_sendmsg+0xee/0x170 [12308.439471][ T7704] __sys_sendmsg+0xcd/0x170 [12308.439471][ T7704] do_syscall_64+0xc6/0x1e0 [12308.439471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12308.439471][ T7704] [12308.441749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12308.441749][ T7704] netdev_get_by_index+0x5e/0x80 [12308.441749][ T7704] fib6_nh_init+0x3d8/0x15b0 [12308.441749][ T7704] ip6_route_info_create+0xf18/0x17d0 [12308.441749][ T7704] addrconf_f6i_alloc+0x315/0x560 [12308.441749][ T7704] ipv6_add_addr+0x411/0x2000 [12308.441749][ T7704] inet6_addr_add+0x30e/0xa40 [12308.441749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12308.441749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12308.441749][ T7704] netlink_rcv_skb+0x130/0x360 [12308.441749][ T7704] netlink_unicast+0x449/0x710 [12308.441749][ T7704] netlink_sendmsg+0x723/0xbe0 [12308.441749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12308.441749][ T7704] ___sys_sendmsg+0xee/0x170 [12308.441749][ T7704] __sys_sendmsg+0xcd/0x170 [12308.441749][ T7704] do_syscall_64+0xc6/0x1e0 [12308.441749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12308.441749][ T7704] [12308.444014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12308.444014][ T7704] netdev_get_by_index+0x5e/0x80 [12308.444014][ T7704] fib6_nh_init+0x3d8/0x15b0 [12308.444014][ T7704] ip6_route_info_create+0xf18/0x17d0 [12308.444014][ T7704] ip6_route_add+0x1c/0x140 [12308.444014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12308.444014][ T7704] addrconf_add_dev+0xe2/0x170 [12308.444014][ T7704] inet6_addr_add+0x12f/0xa40 [12308.444014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12308.444014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12308.444014][ T7704] netlink_rcv_skb+0x130/0x360 [12308.444014][ T7704] netlink_unicast+0x449/0x710 [12308.444014][ T7704] netlink_sendmsg+0x723/0xbe0 [12308.444014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12308.444014][ T7704] ___sys_sendmsg+0xee/0x170 [12308.444014][ T7704] __sys_sendmsg+0xcd/0x170 [12308.444014][ T7704] do_syscall_64+0xc6/0x1e0 [12308.444014][ T7704] [12308.446220][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12308.446220][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12308.446220][ T7704] ipv6_find_idev+0x102/0x170 [12308.446220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12308.446220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12308.446220][ T7704] netlink_rcv_skb+0x130/0x360 [12308.446220][ T7704] netlink_unicast+0x449/0x710 [12308.446220][ T7704] netlink_sendmsg+0x723/0xbe0 [12308.446220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12308.446220][ T7704] ___sys_sendmsg+0xee/0x170 [12308.446220][ T7704] __sys_sendmsg+0xcd/0x170 [12308.446220][ T7704] do_syscall_64+0xc6/0x1e0 [12308.446220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12308.446220][ T7704] [12308.447945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12308.447945][ T7704] neigh_parms_alloc+0x1e5/0x510 [12308.447945][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12308.447945][ T7704] ipv6_find_idev+0x102/0x170 [12308.447945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12308.447945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12308.447945][ T7704] netlink_rcv_skb+0x130/0x360 [12308.447945][ T7704] netlink_unicast+0x449/0x710 [12308.447945][ T7704] netlink_sendmsg+0x723/0xbe0 [12308.447945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12308.447945][ T7704] ___sys_sendmsg+0xee/0x170 [12308.447945][ T7704] __sys_sendmsg+0xcd/0x170 [12308.447945][ T7704] do_syscall_64+0xc6/0x1e0 [12308.447945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12308.447945][ T7704] [12318.694936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12318.695427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12318.695427][ T7704] netdev_get_by_index+0x5e/0x80 [12318.695427][ T7704] fib6_nh_init+0x3d8/0x15b0 [12318.695427][ T7704] ip6_route_info_create+0xf18/0x17d0 [12318.695427][ T7704] ip6_route_add+0x1c/0x140 [12318.695427][ T7704] addrconf_prefix_route+0x2a6/0x430 [12318.695427][ T7704] inet6_addr_add+0x4f8/0xa40 [12318.695427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12318.695427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12318.695427][ T7704] netlink_rcv_skb+0x130/0x360 [12318.695427][ T7704] netlink_unicast+0x449/0x710 [12318.695427][ T7704] netlink_sendmsg+0x723/0xbe0 [12318.695427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12318.695427][ T7704] ___sys_sendmsg+0xee/0x170 [12318.695427][ T7704] __sys_sendmsg+0xcd/0x170 [12318.695427][ T7704] do_syscall_64+0xc6/0x1e0 [12318.695427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12318.695427][ T7704] [12318.697699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12318.697699][ T7704] netdev_get_by_index+0x5e/0x80 [12318.697699][ T7704] fib6_nh_init+0x3d8/0x15b0 [12318.697699][ T7704] ip6_route_info_create+0xf18/0x17d0 [12318.697699][ T7704] addrconf_f6i_alloc+0x315/0x560 [12318.697699][ T7704] ipv6_add_addr+0x411/0x2000 [12318.697699][ T7704] inet6_addr_add+0x30e/0xa40 [12318.697699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12318.697699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12318.697699][ T7704] netlink_rcv_skb+0x130/0x360 [12318.697699][ T7704] netlink_unicast+0x449/0x710 [12318.697699][ T7704] netlink_sendmsg+0x723/0xbe0 [12318.697699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12318.697699][ T7704] ___sys_sendmsg+0xee/0x170 [12318.697699][ T7704] __sys_sendmsg+0xcd/0x170 [12318.697699][ T7704] do_syscall_64+0xc6/0x1e0 [12318.697699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12318.697699][ T7704] [12318.699943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12318.699943][ T7704] netdev_get_by_index+0x5e/0x80 [12318.699943][ T7704] fib6_nh_init+0x3d8/0x15b0 [12318.699943][ T7704] ip6_route_info_create+0xf18/0x17d0 [12318.699943][ T7704] ip6_route_add+0x1c/0x140 [12318.699943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12318.699943][ T7704] addrconf_add_dev+0xe2/0x170 [12318.699943][ T7704] inet6_addr_add+0x12f/0xa40 [12318.699943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12318.699943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12318.699943][ T7704] netlink_rcv_skb+0x130/0x360 [12318.699943][ T7704] netlink_unicast+0x449/0x710 [12318.699943][ T7704] netlink_sendmsg+0x723/0xbe0 [12318.699943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12318.699943][ T7704] ___sys_sendmsg+0xee/0x170 [12318.699943][ T7704] __sys_sendmsg+0xcd/0x170 [12318.699943][ T7704] do_syscall_64+0xc6/0x1e0 [12318.699943][ T7704] [12318.702161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12318.702161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12318.702161][ T7704] ipv6_find_idev+0x102/0x170 [12318.702161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12318.702161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12318.702161][ T7704] netlink_rcv_skb+0x130/0x360 [12318.702161][ T7704] netlink_unicast+0x449/0x710 [12318.702161][ T7704] netlink_sendmsg+0x723/0xbe0 [12318.702161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12318.702161][ T7704] ___sys_sendmsg+0xee/0x170 [12318.702161][ T7704] __sys_sendmsg+0xcd/0x170 [12318.702161][ T7704] do_syscall_64+0xc6/0x1e0 [12318.702161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12318.702161][ T7704] [12318.703925][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12318.703925][ T7704] neigh_parms_alloc+0x1e5/0x510 [12318.703925][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12318.703925][ T7704] ipv6_find_idev+0x102/0x170 [12318.703925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12318.703925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12318.703925][ T7704] netlink_rcv_skb+0x130/0x360 [12318.703925][ T7704] netlink_unicast+0x449/0x710 [12318.703925][ T7704] netlink_sendmsg+0x723/0xbe0 [12318.703925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12318.703925][ T7704] ___sys_sendmsg+0xee/0x170 [12318.703925][ T7704] __sys_sendmsg+0xcd/0x170 [12318.703925][ T7704] do_syscall_64+0xc6/0x1e0 [12318.703925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12318.703925][ T7704] [12328.942931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12328.943422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12328.943422][ T7704] netdev_get_by_index+0x5e/0x80 [12328.943422][ T7704] fib6_nh_init+0x3d8/0x15b0 [12328.943422][ T7704] ip6_route_info_create+0xf18/0x17d0 [12328.943422][ T7704] ip6_route_add+0x1c/0x140 [12328.943422][ T7704] addrconf_prefix_route+0x2a6/0x430 [12328.943422][ T7704] inet6_addr_add+0x4f8/0xa40 [12328.943422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12328.943422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12328.943422][ T7704] netlink_rcv_skb+0x130/0x360 [12328.943422][ T7704] netlink_unicast+0x449/0x710 [12328.943422][ T7704] netlink_sendmsg+0x723/0xbe0 [12328.943422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12328.943422][ T7704] ___sys_sendmsg+0xee/0x170 [12328.943422][ T7704] __sys_sendmsg+0xcd/0x170 [12328.943422][ T7704] do_syscall_64+0xc6/0x1e0 [12328.943422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12328.943422][ T7704] [12328.945699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12328.945699][ T7704] netdev_get_by_index+0x5e/0x80 [12328.945699][ T7704] fib6_nh_init+0x3d8/0x15b0 [12328.945699][ T7704] ip6_route_info_create+0xf18/0x17d0 [12328.945699][ T7704] addrconf_f6i_alloc+0x315/0x560 [12328.945699][ T7704] ipv6_add_addr+0x411/0x2000 [12328.945699][ T7704] inet6_addr_add+0x30e/0xa40 [12328.945699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12328.945699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12328.945699][ T7704] netlink_rcv_skb+0x130/0x360 [12328.945699][ T7704] netlink_unicast+0x449/0x710 [12328.945699][ T7704] netlink_sendmsg+0x723/0xbe0 [12328.945699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12328.945699][ T7704] ___sys_sendmsg+0xee/0x170 [12328.945699][ T7704] __sys_sendmsg+0xcd/0x170 [12328.945699][ T7704] do_syscall_64+0xc6/0x1e0 [12328.945699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12328.945699][ T7704] [12328.947950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12328.947950][ T7704] netdev_get_by_index+0x5e/0x80 [12328.947950][ T7704] fib6_nh_init+0x3d8/0x15b0 [12328.947950][ T7704] ip6_route_info_create+0xf18/0x17d0 [12328.947950][ T7704] ip6_route_add+0x1c/0x140 [12328.947950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12328.947950][ T7704] addrconf_add_dev+0xe2/0x170 [12328.947950][ T7704] inet6_addr_add+0x12f/0xa40 [12328.947950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12328.947950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12328.947950][ T7704] netlink_rcv_skb+0x130/0x360 [12328.947950][ T7704] netlink_unicast+0x449/0x710 [12328.947950][ T7704] netlink_sendmsg+0x723/0xbe0 [12328.947950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12328.947950][ T7704] ___sys_sendmsg+0xee/0x170 [12328.947950][ T7704] __sys_sendmsg+0xcd/0x170 [12328.947950][ T7704] do_syscall_64+0xc6/0x1e0 [12328.947950][ T7704] [12328.950174][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12328.950174][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12328.950174][ T7704] ipv6_find_idev+0x102/0x170 [12328.950174][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12328.950174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12328.950174][ T7704] netlink_rcv_skb+0x130/0x360 [12328.950174][ T7704] netlink_unicast+0x449/0x710 [12328.950174][ T7704] netlink_sendmsg+0x723/0xbe0 [12328.950174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12328.950174][ T7704] ___sys_sendmsg+0xee/0x170 [12328.950174][ T7704] __sys_sendmsg+0xcd/0x170 [12328.950174][ T7704] do_syscall_64+0xc6/0x1e0 [12328.950174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12328.950174][ T7704] [12328.951927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12328.951927][ T7704] neigh_parms_alloc+0x1e5/0x510 [12328.951927][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12328.951927][ T7704] ipv6_find_idev+0x102/0x170 [12328.951927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12328.951927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12328.951927][ T7704] netlink_rcv_skb+0x130/0x360 [12328.951927][ T7704] netlink_unicast+0x449/0x710 [12328.951927][ T7704] netlink_sendmsg+0x723/0xbe0 [12328.951927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12328.951927][ T7704] ___sys_sendmsg+0xee/0x170 [12328.951927][ T7704] __sys_sendmsg+0xcd/0x170 [12328.951927][ T7704] do_syscall_64+0xc6/0x1e0 [12328.951927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12328.951927][ T7704] [12339.190942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12339.191439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12339.191439][ T7704] netdev_get_by_index+0x5e/0x80 [12339.191439][ T7704] fib6_nh_init+0x3d8/0x15b0 [12339.191439][ T7704] ip6_route_info_create+0xf18/0x17d0 [12339.191439][ T7704] ip6_route_add+0x1c/0x140 [12339.191439][ T7704] addrconf_prefix_route+0x2a6/0x430 [12339.191439][ T7704] inet6_addr_add+0x4f8/0xa40 [12339.191439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12339.191439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12339.191439][ T7704] netlink_rcv_skb+0x130/0x360 [12339.191439][ T7704] netlink_unicast+0x449/0x710 [12339.191439][ T7704] netlink_sendmsg+0x723/0xbe0 [12339.191439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12339.191439][ T7704] ___sys_sendmsg+0xee/0x170 [12339.191439][ T7704] __sys_sendmsg+0xcd/0x170 [12339.191439][ T7704] do_syscall_64+0xc6/0x1e0 [12339.191439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12339.191439][ T7704] [12339.193739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12339.193739][ T7704] netdev_get_by_index+0x5e/0x80 [12339.193739][ T7704] fib6_nh_init+0x3d8/0x15b0 [12339.193739][ T7704] ip6_route_info_create+0xf18/0x17d0 [12339.193739][ T7704] addrconf_f6i_alloc+0x315/0x560 [12339.193739][ T7704] ipv6_add_addr+0x411/0x2000 [12339.193739][ T7704] inet6_addr_add+0x30e/0xa40 [12339.193739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12339.193739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12339.193739][ T7704] netlink_rcv_skb+0x130/0x360 [12339.193739][ T7704] netlink_unicast+0x449/0x710 [12339.193739][ T7704] netlink_sendmsg+0x723/0xbe0 [12339.193739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12339.193739][ T7704] ___sys_sendmsg+0xee/0x170 [12339.193739][ T7704] __sys_sendmsg+0xcd/0x170 [12339.193739][ T7704] do_syscall_64+0xc6/0x1e0 [12339.193739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12339.193739][ T7704] [12339.195995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12339.195995][ T7704] netdev_get_by_index+0x5e/0x80 [12339.195995][ T7704] fib6_nh_init+0x3d8/0x15b0 [12339.195995][ T7704] ip6_route_info_create+0xf18/0x17d0 [12339.195995][ T7704] ip6_route_add+0x1c/0x140 [12339.195995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12339.195995][ T7704] addrconf_add_dev+0xe2/0x170 [12339.195995][ T7704] inet6_addr_add+0x12f/0xa40 [12339.195995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12339.195995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12339.195995][ T7704] netlink_rcv_skb+0x130/0x360 [12339.195995][ T7704] netlink_unicast+0x449/0x710 [12339.195995][ T7704] netlink_sendmsg+0x723/0xbe0 [12339.195995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12339.195995][ T7704] ___sys_sendmsg+0xee/0x170 [12339.195995][ T7704] __sys_sendmsg+0xcd/0x170 [12339.195995][ T7704] do_syscall_64+0xc6/0x1e0 [12339.195995][ T7704] [12339.198202][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12339.198202][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12339.198202][ T7704] ipv6_find_idev+0x102/0x170 [12339.198202][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12339.198202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12339.198202][ T7704] netlink_rcv_skb+0x130/0x360 [12339.198202][ T7704] netlink_unicast+0x449/0x710 [12339.198202][ T7704] netlink_sendmsg+0x723/0xbe0 [12339.198202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12339.198202][ T7704] ___sys_sendmsg+0xee/0x170 [12339.198202][ T7704] __sys_sendmsg+0xcd/0x170 [12339.198202][ T7704] do_syscall_64+0xc6/0x1e0 [12339.198202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12339.198202][ T7704] [12339.199934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12339.199934][ T7704] neigh_parms_alloc+0x1e5/0x510 [12339.199934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12339.199934][ T7704] ipv6_find_idev+0x102/0x170 [12339.199934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12339.199934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12339.199934][ T7704] netlink_rcv_skb+0x130/0x360 [12339.199934][ T7704] netlink_unicast+0x449/0x710 [12339.199934][ T7704] netlink_sendmsg+0x723/0xbe0 [12339.199934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12339.199934][ T7704] ___sys_sendmsg+0xee/0x170 [12339.199934][ T7704] __sys_sendmsg+0xcd/0x170 [12339.199934][ T7704] do_syscall_64+0xc6/0x1e0 [12339.199934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12339.199934][ T7704] [12349.438864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12349.439343][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12349.439343][ T7704] netdev_get_by_index+0x5e/0x80 [12349.439343][ T7704] fib6_nh_init+0x3d8/0x15b0 [12349.439343][ T7704] ip6_route_info_create+0xf18/0x17d0 [12349.439343][ T7704] ip6_route_add+0x1c/0x140 [12349.439343][ T7704] addrconf_prefix_route+0x2a6/0x430 [12349.439343][ T7704] inet6_addr_add+0x4f8/0xa40 [12349.439343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12349.439343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12349.439343][ T7704] netlink_rcv_skb+0x130/0x360 [12349.439343][ T7704] netlink_unicast+0x449/0x710 [12349.439343][ T7704] netlink_sendmsg+0x723/0xbe0 [12349.439343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12349.439343][ T7704] ___sys_sendmsg+0xee/0x170 [12349.439343][ T7704] __sys_sendmsg+0xcd/0x170 [12349.439343][ T7704] do_syscall_64+0xc6/0x1e0 [12349.439343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12349.439343][ T7704] [12349.441578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12349.441578][ T7704] netdev_get_by_index+0x5e/0x80 [12349.441578][ T7704] fib6_nh_init+0x3d8/0x15b0 [12349.441578][ T7704] ip6_route_info_create+0xf18/0x17d0 [12349.441578][ T7704] addrconf_f6i_alloc+0x315/0x560 [12349.441578][ T7704] ipv6_add_addr+0x411/0x2000 [12349.441578][ T7704] inet6_addr_add+0x30e/0xa40 [12349.441578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12349.441578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12349.441578][ T7704] netlink_rcv_skb+0x130/0x360 [12349.441578][ T7704] netlink_unicast+0x449/0x710 [12349.441578][ T7704] netlink_sendmsg+0x723/0xbe0 [12349.441578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12349.441578][ T7704] ___sys_sendmsg+0xee/0x170 [12349.441578][ T7704] __sys_sendmsg+0xcd/0x170 [12349.441578][ T7704] do_syscall_64+0xc6/0x1e0 [12349.441578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12349.441578][ T7704] [12349.443826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12349.443826][ T7704] netdev_get_by_index+0x5e/0x80 [12349.443826][ T7704] fib6_nh_init+0x3d8/0x15b0 [12349.443826][ T7704] ip6_route_info_create+0xf18/0x17d0 [12349.443826][ T7704] ip6_route_add+0x1c/0x140 [12349.443826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12349.443826][ T7704] addrconf_add_dev+0xe2/0x170 [12349.443826][ T7704] inet6_addr_add+0x12f/0xa40 [12349.443826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12349.443826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12349.443826][ T7704] netlink_rcv_skb+0x130/0x360 [12349.443826][ T7704] netlink_unicast+0x449/0x710 [12349.443826][ T7704] netlink_sendmsg+0x723/0xbe0 [12349.443826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12349.443826][ T7704] ___sys_sendmsg+0xee/0x170 [12349.443826][ T7704] __sys_sendmsg+0xcd/0x170 [12349.443826][ T7704] do_syscall_64+0xc6/0x1e0 [12349.443826][ T7704] [12349.446011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12349.446011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12349.446011][ T7704] ipv6_find_idev+0x102/0x170 [12349.446011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12349.446011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12349.446011][ T7704] netlink_rcv_skb+0x130/0x360 [12349.446011][ T7704] netlink_unicast+0x449/0x710 [12349.446011][ T7704] netlink_sendmsg+0x723/0xbe0 [12349.446011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12349.446011][ T7704] ___sys_sendmsg+0xee/0x170 [12349.446011][ T7704] __sys_sendmsg+0xcd/0x170 [12349.446011][ T7704] do_syscall_64+0xc6/0x1e0 [12349.446011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12349.446011][ T7704] [12349.447725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12349.447725][ T7704] neigh_parms_alloc+0x1e5/0x510 [12349.447725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12349.447725][ T7704] ipv6_find_idev+0x102/0x170 [12349.447725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12349.447725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12349.447725][ T7704] netlink_rcv_skb+0x130/0x360 [12349.447725][ T7704] netlink_unicast+0x449/0x710 [12349.447725][ T7704] netlink_sendmsg+0x723/0xbe0 [12349.447725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12349.447725][ T7704] ___sys_sendmsg+0xee/0x170 [12349.447725][ T7704] __sys_sendmsg+0xcd/0x170 [12349.447725][ T7704] do_syscall_64+0xc6/0x1e0 [12349.447725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12349.447725][ T7704] [12359.686880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12359.687367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12359.687367][ T7704] netdev_get_by_index+0x5e/0x80 [12359.687367][ T7704] fib6_nh_init+0x3d8/0x15b0 [12359.687367][ T7704] ip6_route_info_create+0xf18/0x17d0 [12359.687367][ T7704] ip6_route_add+0x1c/0x140 [12359.687367][ T7704] addrconf_prefix_route+0x2a6/0x430 [12359.687367][ T7704] inet6_addr_add+0x4f8/0xa40 [12359.687367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12359.687367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12359.687367][ T7704] netlink_rcv_skb+0x130/0x360 [12359.687367][ T7704] netlink_unicast+0x449/0x710 [12359.687367][ T7704] netlink_sendmsg+0x723/0xbe0 [12359.687367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12359.687367][ T7704] ___sys_sendmsg+0xee/0x170 [12359.687367][ T7704] __sys_sendmsg+0xcd/0x170 [12359.687367][ T7704] do_syscall_64+0xc6/0x1e0 [12359.687367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12359.687367][ T7704] [12359.689609][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12359.689609][ T7704] netdev_get_by_index+0x5e/0x80 [12359.689609][ T7704] fib6_nh_init+0x3d8/0x15b0 [12359.689609][ T7704] ip6_route_info_create+0xf18/0x17d0 [12359.689609][ T7704] addrconf_f6i_alloc+0x315/0x560 [12359.689609][ T7704] ipv6_add_addr+0x411/0x2000 [12359.689609][ T7704] inet6_addr_add+0x30e/0xa40 [12359.689609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12359.689609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12359.689609][ T7704] netlink_rcv_skb+0x130/0x360 [12359.689609][ T7704] netlink_unicast+0x449/0x710 [12359.689609][ T7704] netlink_sendmsg+0x723/0xbe0 [12359.689609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12359.689609][ T7704] ___sys_sendmsg+0xee/0x170 [12359.689609][ T7704] __sys_sendmsg+0xcd/0x170 [12359.689609][ T7704] do_syscall_64+0xc6/0x1e0 [12359.689609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12359.689609][ T7704] [12359.691839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12359.691839][ T7704] netdev_get_by_index+0x5e/0x80 [12359.691839][ T7704] fib6_nh_init+0x3d8/0x15b0 [12359.691839][ T7704] ip6_route_info_create+0xf18/0x17d0 [12359.691839][ T7704] ip6_route_add+0x1c/0x140 [12359.691839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12359.691839][ T7704] addrconf_add_dev+0xe2/0x170 [12359.691839][ T7704] inet6_addr_add+0x12f/0xa40 [12359.691839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12359.691839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12359.691839][ T7704] netlink_rcv_skb+0x130/0x360 [12359.691839][ T7704] netlink_unicast+0x449/0x710 [12359.691839][ T7704] netlink_sendmsg+0x723/0xbe0 [12359.691839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12359.691839][ T7704] ___sys_sendmsg+0xee/0x170 [12359.691839][ T7704] __sys_sendmsg+0xcd/0x170 [12359.691839][ T7704] do_syscall_64+0xc6/0x1e0 [12359.691839][ T7704] [12359.694024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12359.694024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12359.694024][ T7704] ipv6_find_idev+0x102/0x170 [12359.694024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12359.694024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12359.694024][ T7704] netlink_rcv_skb+0x130/0x360 [12359.694024][ T7704] netlink_unicast+0x449/0x710 [12359.694024][ T7704] netlink_sendmsg+0x723/0xbe0 [12359.694024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12359.694024][ T7704] ___sys_sendmsg+0xee/0x170 [12359.694024][ T7704] __sys_sendmsg+0xcd/0x170 [12359.694024][ T7704] do_syscall_64+0xc6/0x1e0 [12359.694024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12359.694024][ T7704] [12359.695741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12359.695741][ T7704] neigh_parms_alloc+0x1e5/0x510 [12359.695741][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12359.695741][ T7704] ipv6_find_idev+0x102/0x170 [12359.695741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12359.695741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12359.695741][ T7704] netlink_rcv_skb+0x130/0x360 [12359.695741][ T7704] netlink_unicast+0x449/0x710 [12359.695741][ T7704] netlink_sendmsg+0x723/0xbe0 [12359.695741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12359.695741][ T7704] ___sys_sendmsg+0xee/0x170 [12359.695741][ T7704] __sys_sendmsg+0xcd/0x170 [12359.695741][ T7704] do_syscall_64+0xc6/0x1e0 [12359.695741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12359.695741][ T7704] [12369.934865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12369.935346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12369.935346][ T7704] netdev_get_by_index+0x5e/0x80 [12369.935346][ T7704] fib6_nh_init+0x3d8/0x15b0 [12369.935346][ T7704] ip6_route_info_create+0xf18/0x17d0 [12369.935346][ T7704] ip6_route_add+0x1c/0x140 [12369.935346][ T7704] addrconf_prefix_route+0x2a6/0x430 [12369.935346][ T7704] inet6_addr_add+0x4f8/0xa40 [12369.935346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12369.935346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12369.935346][ T7704] netlink_rcv_skb+0x130/0x360 [12369.935346][ T7704] netlink_unicast+0x449/0x710 [12369.935346][ T7704] netlink_sendmsg+0x723/0xbe0 [12369.935346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12369.935346][ T7704] ___sys_sendmsg+0xee/0x170 [12369.935346][ T7704] __sys_sendmsg+0xcd/0x170 [12369.935346][ T7704] do_syscall_64+0xc6/0x1e0 [12369.935346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12369.935346][ T7704] [12369.937593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12369.937593][ T7704] netdev_get_by_index+0x5e/0x80 [12369.937593][ T7704] fib6_nh_init+0x3d8/0x15b0 [12369.937593][ T7704] ip6_route_info_create+0xf18/0x17d0 [12369.937593][ T7704] addrconf_f6i_alloc+0x315/0x560 [12369.937593][ T7704] ipv6_add_addr+0x411/0x2000 [12369.937593][ T7704] inet6_addr_add+0x30e/0xa40 [12369.937593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12369.937593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12369.937593][ T7704] netlink_rcv_skb+0x130/0x360 [12369.937593][ T7704] netlink_unicast+0x449/0x710 [12369.937593][ T7704] netlink_sendmsg+0x723/0xbe0 [12369.937593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12369.937593][ T7704] ___sys_sendmsg+0xee/0x170 [12369.937593][ T7704] __sys_sendmsg+0xcd/0x170 [12369.937593][ T7704] do_syscall_64+0xc6/0x1e0 [12369.937593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12369.937593][ T7704] [12369.939823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12369.939823][ T7704] netdev_get_by_index+0x5e/0x80 [12369.939823][ T7704] fib6_nh_init+0x3d8/0x15b0 [12369.939823][ T7704] ip6_route_info_create+0xf18/0x17d0 [12369.939823][ T7704] ip6_route_add+0x1c/0x140 [12369.939823][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12369.939823][ T7704] addrconf_add_dev+0xe2/0x170 [12369.939823][ T7704] inet6_addr_add+0x12f/0xa40 [12369.939823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12369.939823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12369.939823][ T7704] netlink_rcv_skb+0x130/0x360 [12369.939823][ T7704] netlink_unicast+0x449/0x710 [12369.939823][ T7704] netlink_sendmsg+0x723/0xbe0 [12369.939823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12369.939823][ T7704] ___sys_sendmsg+0xee/0x170 [12369.939823][ T7704] __sys_sendmsg+0xcd/0x170 [12369.939823][ T7704] do_syscall_64+0xc6/0x1e0 [12369.939823][ T7704] [12369.942019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12369.942019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12369.942019][ T7704] ipv6_find_idev+0x102/0x170 [12369.942019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12369.942019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12369.942019][ T7704] netlink_rcv_skb+0x130/0x360 [12369.942019][ T7704] netlink_unicast+0x449/0x710 [12369.942019][ T7704] netlink_sendmsg+0x723/0xbe0 [12369.942019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12369.942019][ T7704] ___sys_sendmsg+0xee/0x170 [12369.942019][ T7704] __sys_sendmsg+0xcd/0x170 [12369.942019][ T7704] do_syscall_64+0xc6/0x1e0 [12369.942019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12369.942019][ T7704] [12369.943746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12369.943746][ T7704] neigh_parms_alloc+0x1e5/0x510 [12369.943746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12369.943746][ T7704] ipv6_find_idev+0x102/0x170 [12369.943746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12369.943746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12369.943746][ T7704] netlink_rcv_skb+0x130/0x360 [12369.943746][ T7704] netlink_unicast+0x449/0x710 [12369.943746][ T7704] netlink_sendmsg+0x723/0xbe0 [12369.943746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12369.943746][ T7704] ___sys_sendmsg+0xee/0x170 [12369.943746][ T7704] __sys_sendmsg+0xcd/0x170 [12369.943746][ T7704] do_syscall_64+0xc6/0x1e0 [12369.943746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12369.943746][ T7704] [12380.182863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12380.183369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12380.183369][ T7704] netdev_get_by_index+0x5e/0x80 [12380.183369][ T7704] fib6_nh_init+0x3d8/0x15b0 [12380.183369][ T7704] ip6_route_info_create+0xf18/0x17d0 [12380.183369][ T7704] ip6_route_add+0x1c/0x140 [12380.183369][ T7704] addrconf_prefix_route+0x2a6/0x430 [12380.183369][ T7704] inet6_addr_add+0x4f8/0xa40 [12380.183369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12380.183369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12380.183369][ T7704] netlink_rcv_skb+0x130/0x360 [12380.183369][ T7704] netlink_unicast+0x449/0x710 [12380.183369][ T7704] netlink_sendmsg+0x723/0xbe0 [12380.183369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12380.183369][ T7704] ___sys_sendmsg+0xee/0x170 [12380.183369][ T7704] __sys_sendmsg+0xcd/0x170 [12380.183369][ T7704] do_syscall_64+0xc6/0x1e0 [12380.183369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12380.183369][ T7704] [12380.185624][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12380.185624][ T7704] netdev_get_by_index+0x5e/0x80 [12380.185624][ T7704] fib6_nh_init+0x3d8/0x15b0 [12380.185624][ T7704] ip6_route_info_create+0xf18/0x17d0 [12380.185624][ T7704] addrconf_f6i_alloc+0x315/0x560 [12380.185624][ T7704] ipv6_add_addr+0x411/0x2000 [12380.185624][ T7704] inet6_addr_add+0x30e/0xa40 [12380.185624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12380.185624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12380.185624][ T7704] netlink_rcv_skb+0x130/0x360 [12380.185624][ T7704] netlink_unicast+0x449/0x710 [12380.185624][ T7704] netlink_sendmsg+0x723/0xbe0 [12380.185624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12380.185624][ T7704] ___sys_sendmsg+0xee/0x170 [12380.185624][ T7704] __sys_sendmsg+0xcd/0x170 [12380.185624][ T7704] do_syscall_64+0xc6/0x1e0 [12380.185624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12380.185624][ T7704] [12380.187870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12380.187870][ T7704] netdev_get_by_index+0x5e/0x80 [12380.187870][ T7704] fib6_nh_init+0x3d8/0x15b0 [12380.187870][ T7704] ip6_route_info_create+0xf18/0x17d0 [12380.187870][ T7704] ip6_route_add+0x1c/0x140 [12380.187870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12380.187870][ T7704] addrconf_add_dev+0xe2/0x170 [12380.187870][ T7704] inet6_addr_add+0x12f/0xa40 [12380.187870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12380.187870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12380.187870][ T7704] netlink_rcv_skb+0x130/0x360 [12380.187870][ T7704] netlink_unicast+0x449/0x710 [12380.187870][ T7704] netlink_sendmsg+0x723/0xbe0 [12380.187870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12380.187870][ T7704] ___sys_sendmsg+0xee/0x170 [12380.187870][ T7704] __sys_sendmsg+0xcd/0x170 [12380.187870][ T7704] do_syscall_64+0xc6/0x1e0 [12380.187870][ T7704] [12380.190205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12380.190205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12380.190205][ T7704] ipv6_find_idev+0x102/0x170 [12380.190205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12380.190205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12380.190205][ T7704] netlink_rcv_skb+0x130/0x360 [12380.190205][ T7704] netlink_unicast+0x449/0x710 [12380.190205][ T7704] netlink_sendmsg+0x723/0xbe0 [12380.190205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12380.190205][ T7704] ___sys_sendmsg+0xee/0x170 [12380.190205][ T7704] __sys_sendmsg+0xcd/0x170 [12380.190205][ T7704] do_syscall_64+0xc6/0x1e0 [12380.190205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12380.190205][ T7704] [12380.191934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12380.191934][ T7704] neigh_parms_alloc+0x1e5/0x510 [12380.191934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12380.191934][ T7704] ipv6_find_idev+0x102/0x170 [12380.191934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12380.191934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12380.191934][ T7704] netlink_rcv_skb+0x130/0x360 [12380.191934][ T7704] netlink_unicast+0x449/0x710 [12380.191934][ T7704] netlink_sendmsg+0x723/0xbe0 [12380.191934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12380.191934][ T7704] ___sys_sendmsg+0xee/0x170 [12380.191934][ T7704] __sys_sendmsg+0xcd/0x170 [12380.191934][ T7704] do_syscall_64+0xc6/0x1e0 [12380.191934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12380.191934][ T7704] [12390.430936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12390.431356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12390.431356][ T7704] netdev_get_by_index+0x5e/0x80 [12390.431356][ T7704] fib6_nh_init+0x3d8/0x15b0 [12390.431356][ T7704] ip6_route_info_create+0xf18/0x17d0 [12390.431356][ T7704] ip6_route_add+0x1c/0x140 [12390.431356][ T7704] addrconf_prefix_route+0x2a6/0x430 [12390.431356][ T7704] inet6_addr_add+0x4f8/0xa40 [12390.431356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12390.431356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12390.431356][ T7704] netlink_rcv_skb+0x130/0x360 [12390.431356][ T7704] netlink_unicast+0x449/0x710 [12390.431356][ T7704] netlink_sendmsg+0x723/0xbe0 [12390.431356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12390.431356][ T7704] ___sys_sendmsg+0xee/0x170 [12390.431356][ T7704] __sys_sendmsg+0xcd/0x170 [12390.431356][ T7704] do_syscall_64+0xc6/0x1e0 [12390.431356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12390.431356][ T7704] [12390.433626][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12390.433626][ T7704] netdev_get_by_index+0x5e/0x80 [12390.433626][ T7704] fib6_nh_init+0x3d8/0x15b0 [12390.433626][ T7704] ip6_route_info_create+0xf18/0x17d0 [12390.433626][ T7704] addrconf_f6i_alloc+0x315/0x560 [12390.433626][ T7704] ipv6_add_addr+0x411/0x2000 [12390.433626][ T7704] inet6_addr_add+0x30e/0xa40 [12390.433626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12390.433626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12390.433626][ T7704] netlink_rcv_skb+0x130/0x360 [12390.433626][ T7704] netlink_unicast+0x449/0x710 [12390.433626][ T7704] netlink_sendmsg+0x723/0xbe0 [12390.433626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12390.433626][ T7704] ___sys_sendmsg+0xee/0x170 [12390.433626][ T7704] __sys_sendmsg+0xcd/0x170 [12390.433626][ T7704] do_syscall_64+0xc6/0x1e0 [12390.433626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12390.433626][ T7704] [12390.435848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12390.435848][ T7704] netdev_get_by_index+0x5e/0x80 [12390.435848][ T7704] fib6_nh_init+0x3d8/0x15b0 [12390.435848][ T7704] ip6_route_info_create+0xf18/0x17d0 [12390.435848][ T7704] ip6_route_add+0x1c/0x140 [12390.435848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12390.435848][ T7704] addrconf_add_dev+0xe2/0x170 [12390.435848][ T7704] inet6_addr_add+0x12f/0xa40 [12390.435848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12390.435848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12390.435848][ T7704] netlink_rcv_skb+0x130/0x360 [12390.435848][ T7704] netlink_unicast+0x449/0x710 [12390.435848][ T7704] netlink_sendmsg+0x723/0xbe0 [12390.435848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12390.435848][ T7704] ___sys_sendmsg+0xee/0x170 [12390.435848][ T7704] __sys_sendmsg+0xcd/0x170 [12390.435848][ T7704] do_syscall_64+0xc6/0x1e0 [12390.435848][ T7704] [12390.438037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12390.438037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12390.438037][ T7704] ipv6_find_idev+0x102/0x170 [12390.438037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12390.438037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12390.438037][ T7704] netlink_rcv_skb+0x130/0x360 [12390.438037][ T7704] netlink_unicast+0x449/0x710 [12390.438037][ T7704] netlink_sendmsg+0x723/0xbe0 [12390.438037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12390.438037][ T7704] ___sys_sendmsg+0xee/0x170 [12390.438037][ T7704] __sys_sendmsg+0xcd/0x170 [12390.438037][ T7704] do_syscall_64+0xc6/0x1e0 [12390.438037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12390.438037][ T7704] [12390.439750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12390.439750][ T7704] neigh_parms_alloc+0x1e5/0x510 [12390.439750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12390.439750][ T7704] ipv6_find_idev+0x102/0x170 [12390.439750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12390.439750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12390.439750][ T7704] netlink_rcv_skb+0x130/0x360 [12390.439750][ T7704] netlink_unicast+0x449/0x710 [12390.439750][ T7704] netlink_sendmsg+0x723/0xbe0 [12390.439750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12390.439750][ T7704] ___sys_sendmsg+0xee/0x170 [12390.439750][ T7704] __sys_sendmsg+0xcd/0x170 [12390.439750][ T7704] do_syscall_64+0xc6/0x1e0 [12390.439750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12390.439750][ T7704] [12400.678937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12400.679423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12400.679423][ T7704] netdev_get_by_index+0x5e/0x80 [12400.679423][ T7704] fib6_nh_init+0x3d8/0x15b0 [12400.679423][ T7704] ip6_route_info_create+0xf18/0x17d0 [12400.679423][ T7704] ip6_route_add+0x1c/0x140 [12400.679423][ T7704] addrconf_prefix_route+0x2a6/0x430 [12400.679423][ T7704] inet6_addr_add+0x4f8/0xa40 [12400.679423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12400.679423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12400.679423][ T7704] netlink_rcv_skb+0x130/0x360 [12400.679423][ T7704] netlink_unicast+0x449/0x710 [12400.679423][ T7704] netlink_sendmsg+0x723/0xbe0 [12400.679423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12400.679423][ T7704] ___sys_sendmsg+0xee/0x170 [12400.679423][ T7704] __sys_sendmsg+0xcd/0x170 [12400.679423][ T7704] do_syscall_64+0xc6/0x1e0 [12400.679423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12400.679423][ T7704] [12400.681966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12400.681966][ T7704] netdev_get_by_index+0x5e/0x80 [12400.681966][ T7704] fib6_nh_init+0x3d8/0x15b0 [12400.681966][ T7704] ip6_route_info_create+0xf18/0x17d0 [12400.681966][ T7704] addrconf_f6i_alloc+0x315/0x560 [12400.681966][ T7704] ipv6_add_addr+0x411/0x2000 [12400.681966][ T7704] inet6_addr_add+0x30e/0xa40 [12400.681966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12400.681966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12400.681966][ T7704] netlink_rcv_skb+0x130/0x360 [12400.681966][ T7704] netlink_unicast+0x449/0x710 [12400.681966][ T7704] netlink_sendmsg+0x723/0xbe0 [12400.681966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12400.681966][ T7704] ___sys_sendmsg+0xee/0x170 [12400.681966][ T7704] __sys_sendmsg+0xcd/0x170 [12400.681966][ T7704] do_syscall_64+0xc6/0x1e0 [12400.681966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12400.681966][ T7704] [12400.684200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12400.684200][ T7704] netdev_get_by_index+0x5e/0x80 [12400.684200][ T7704] fib6_nh_init+0x3d8/0x15b0 [12400.684200][ T7704] ip6_route_info_create+0xf18/0x17d0 [12400.684200][ T7704] ip6_route_add+0x1c/0x140 [12400.684200][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12400.684200][ T7704] addrconf_add_dev+0xe2/0x170 [12400.684200][ T7704] inet6_addr_add+0x12f/0xa40 [12400.684200][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12400.684200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12400.684200][ T7704] netlink_rcv_skb+0x130/0x360 [12400.684200][ T7704] netlink_unicast+0x449/0x710 [12400.684200][ T7704] netlink_sendmsg+0x723/0xbe0 [12400.684200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12400.684200][ T7704] ___sys_sendmsg+0xee/0x170 [12400.684200][ T7704] __sys_sendmsg+0xcd/0x170 [12400.684200][ T7704] do_syscall_64+0xc6/0x1e0 [12400.684200][ T7704] [12400.686389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12400.686389][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12400.686389][ T7704] ipv6_find_idev+0x102/0x170 [12400.686389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12400.686389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12400.686389][ T7704] netlink_rcv_skb+0x130/0x360 [12400.686389][ T7704] netlink_unicast+0x449/0x710 [12400.686389][ T7704] netlink_sendmsg+0x723/0xbe0 [12400.686389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12400.686389][ T7704] ___sys_sendmsg+0xee/0x170 [12400.686389][ T7704] __sys_sendmsg+0xcd/0x170 [12400.686389][ T7704] do_syscall_64+0xc6/0x1e0 [12400.686389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12400.686389][ T7704] [12400.688094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12400.688094][ T7704] neigh_parms_alloc+0x1e5/0x510 [12400.688094][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12400.688094][ T7704] ipv6_find_idev+0x102/0x170 [12400.688094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12400.688094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12400.688094][ T7704] netlink_rcv_skb+0x130/0x360 [12400.688094][ T7704] netlink_unicast+0x449/0x710 [12400.688094][ T7704] netlink_sendmsg+0x723/0xbe0 [12400.688094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12400.688094][ T7704] ___sys_sendmsg+0xee/0x170 [12400.688094][ T7704] __sys_sendmsg+0xcd/0x170 [12400.688094][ T7704] do_syscall_64+0xc6/0x1e0 [12400.688094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12400.688094][ T7704] [12410.862955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12410.863428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12410.863428][ T7704] netdev_get_by_index+0x5e/0x80 [12410.863428][ T7704] fib6_nh_init+0x3d8/0x15b0 [12410.863428][ T7704] ip6_route_info_create+0xf18/0x17d0 [12410.863428][ T7704] ip6_route_add+0x1c/0x140 [12410.863428][ T7704] addrconf_prefix_route+0x2a6/0x430 [12410.863428][ T7704] inet6_addr_add+0x4f8/0xa40 [12410.863428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12410.863428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12410.863428][ T7704] netlink_rcv_skb+0x130/0x360 [12410.863428][ T7704] netlink_unicast+0x449/0x710 [12410.863428][ T7704] netlink_sendmsg+0x723/0xbe0 [12410.863428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12410.863428][ T7704] ___sys_sendmsg+0xee/0x170 [12410.863428][ T7704] __sys_sendmsg+0xcd/0x170 [12410.863428][ T7704] do_syscall_64+0xc6/0x1e0 [12410.863428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12410.863428][ T7704] [12410.865763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12410.865763][ T7704] netdev_get_by_index+0x5e/0x80 [12410.865763][ T7704] fib6_nh_init+0x3d8/0x15b0 [12410.865763][ T7704] ip6_route_info_create+0xf18/0x17d0 [12410.865763][ T7704] addrconf_f6i_alloc+0x315/0x560 [12410.865763][ T7704] ipv6_add_addr+0x411/0x2000 [12410.865763][ T7704] inet6_addr_add+0x30e/0xa40 [12410.865763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12410.865763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12410.865763][ T7704] netlink_rcv_skb+0x130/0x360 [12410.865763][ T7704] netlink_unicast+0x449/0x710 [12410.865763][ T7704] netlink_sendmsg+0x723/0xbe0 [12410.865763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12410.865763][ T7704] ___sys_sendmsg+0xee/0x170 [12410.865763][ T7704] __sys_sendmsg+0xcd/0x170 [12410.865763][ T7704] do_syscall_64+0xc6/0x1e0 [12410.865763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12410.865763][ T7704] [12410.867972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12410.867972][ T7704] netdev_get_by_index+0x5e/0x80 [12410.867972][ T7704] fib6_nh_init+0x3d8/0x15b0 [12410.867972][ T7704] ip6_route_info_create+0xf18/0x17d0 [12410.867972][ T7704] ip6_route_add+0x1c/0x140 [12410.867972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12410.867972][ T7704] addrconf_add_dev+0xe2/0x170 [12410.867972][ T7704] inet6_addr_add+0x12f/0xa40 [12410.867972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12410.867972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12410.867972][ T7704] netlink_rcv_skb+0x130/0x360 [12410.867972][ T7704] netlink_unicast+0x449/0x710 [12410.867972][ T7704] netlink_sendmsg+0x723/0xbe0 [12410.867972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12410.867972][ T7704] ___sys_sendmsg+0xee/0x170 [12410.867972][ T7704] __sys_sendmsg+0xcd/0x170 [12410.867972][ T7704] do_syscall_64+0xc6/0x1e0 [12410.867972][ T7704] [12410.870149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12410.870149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12410.870149][ T7704] ipv6_find_idev+0x102/0x170 [12410.870149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12410.870149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12410.870149][ T7704] netlink_rcv_skb+0x130/0x360 [12410.870149][ T7704] netlink_unicast+0x449/0x710 [12410.870149][ T7704] netlink_sendmsg+0x723/0xbe0 [12410.870149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12410.870149][ T7704] ___sys_sendmsg+0xee/0x170 [12410.870149][ T7704] __sys_sendmsg+0xcd/0x170 [12410.870149][ T7704] do_syscall_64+0xc6/0x1e0 [12410.870149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12410.870149][ T7704] [12410.871873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12410.871873][ T7704] neigh_parms_alloc+0x1e5/0x510 [12410.871873][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12410.871873][ T7704] ipv6_find_idev+0x102/0x170 [12410.871873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12410.871873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12410.871873][ T7704] netlink_rcv_skb+0x130/0x360 [12410.871873][ T7704] netlink_unicast+0x449/0x710 [12410.871873][ T7704] netlink_sendmsg+0x723/0xbe0 [12410.871873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12410.871873][ T7704] ___sys_sendmsg+0xee/0x170 [12410.871873][ T7704] __sys_sendmsg+0xcd/0x170 [12410.871873][ T7704] do_syscall_64+0xc6/0x1e0 [12410.871873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12410.871873][ T7704] [12421.118932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12421.119970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12421.119970][ T7704] netdev_get_by_index+0x5e/0x80 [12421.119970][ T7704] fib6_nh_init+0x3d8/0x15b0 [12421.119970][ T7704] ip6_route_info_create+0xf18/0x17d0 [12421.119970][ T7704] ip6_route_add+0x1c/0x140 [12421.119970][ T7704] addrconf_prefix_route+0x2a6/0x430 [12421.119970][ T7704] inet6_addr_add+0x4f8/0xa40 [12421.119970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12421.119970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12421.119970][ T7704] netlink_rcv_skb+0x130/0x360 [12421.119970][ T7704] netlink_unicast+0x449/0x710 [12421.119970][ T7704] netlink_sendmsg+0x723/0xbe0 [12421.119970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12421.119970][ T7704] ___sys_sendmsg+0xee/0x170 [12421.119970][ T7704] __sys_sendmsg+0xcd/0x170 [12421.119970][ T7704] do_syscall_64+0xc6/0x1e0 [12421.119970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12421.119970][ T7704] [12421.122202][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12421.122202][ T7704] netdev_get_by_index+0x5e/0x80 [12421.122202][ T7704] fib6_nh_init+0x3d8/0x15b0 [12421.122202][ T7704] ip6_route_info_create+0xf18/0x17d0 [12421.122202][ T7704] addrconf_f6i_alloc+0x315/0x560 [12421.122202][ T7704] ipv6_add_addr+0x411/0x2000 [12421.122202][ T7704] inet6_addr_add+0x30e/0xa40 [12421.122202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12421.122202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12421.122202][ T7704] netlink_rcv_skb+0x130/0x360 [12421.122202][ T7704] netlink_unicast+0x449/0x710 [12421.122202][ T7704] netlink_sendmsg+0x723/0xbe0 [12421.122202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12421.122202][ T7704] ___sys_sendmsg+0xee/0x170 [12421.122202][ T7704] __sys_sendmsg+0xcd/0x170 [12421.122202][ T7704] do_syscall_64+0xc6/0x1e0 [12421.122202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12421.122202][ T7704] [12421.124427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12421.124427][ T7704] netdev_get_by_index+0x5e/0x80 [12421.124427][ T7704] fib6_nh_init+0x3d8/0x15b0 [12421.124427][ T7704] ip6_route_info_create+0xf18/0x17d0 [12421.124427][ T7704] ip6_route_add+0x1c/0x140 [12421.124427][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12421.124427][ T7704] addrconf_add_dev+0xe2/0x170 [12421.124427][ T7704] inet6_addr_add+0x12f/0xa40 [12421.124427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12421.124427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12421.124427][ T7704] netlink_rcv_skb+0x130/0x360 [12421.124427][ T7704] netlink_unicast+0x449/0x710 [12421.124427][ T7704] netlink_sendmsg+0x723/0xbe0 [12421.124427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12421.124427][ T7704] ___sys_sendmsg+0xee/0x170 [12421.124427][ T7704] __sys_sendmsg+0xcd/0x170 [12421.124427][ T7704] do_syscall_64+0xc6/0x1e0 [12421.124427][ T7704] [12421.126605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12421.126605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12421.126605][ T7704] ipv6_find_idev+0x102/0x170 [12421.126605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12421.126605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12421.126605][ T7704] netlink_rcv_skb+0x130/0x360 [12421.126605][ T7704] netlink_unicast+0x449/0x710 [12421.126605][ T7704] netlink_sendmsg+0x723/0xbe0 [12421.126605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12421.126605][ T7704] ___sys_sendmsg+0xee/0x170 [12421.126605][ T7704] __sys_sendmsg+0xcd/0x170 [12421.126605][ T7704] do_syscall_64+0xc6/0x1e0 [12421.126605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12421.126605][ T7704] [12421.128306][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12421.128306][ T7704] neigh_parms_alloc+0x1e5/0x510 [12421.128306][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12421.128306][ T7704] ipv6_find_idev+0x102/0x170 [12421.128306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12421.128306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12421.128306][ T7704] netlink_rcv_skb+0x130/0x360 [12421.128306][ T7704] netlink_unicast+0x449/0x710 [12421.128306][ T7704] netlink_sendmsg+0x723/0xbe0 [12421.128306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12421.128306][ T7704] ___sys_sendmsg+0xee/0x170 [12421.128306][ T7704] __sys_sendmsg+0xcd/0x170 [12421.128306][ T7704] do_syscall_64+0xc6/0x1e0 [12421.128306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12421.128306][ T7704] [12431.174944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12431.175421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12431.175421][ T7704] netdev_get_by_index+0x5e/0x80 [12431.175421][ T7704] fib6_nh_init+0x3d8/0x15b0 [12431.175421][ T7704] ip6_route_info_create+0xf18/0x17d0 [12431.175421][ T7704] ip6_route_add+0x1c/0x140 [12431.175421][ T7704] addrconf_prefix_route+0x2a6/0x430 [12431.175421][ T7704] inet6_addr_add+0x4f8/0xa40 [12431.175421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12431.175421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12431.175421][ T7704] netlink_rcv_skb+0x130/0x360 [12431.175421][ T7704] netlink_unicast+0x449/0x710 [12431.175421][ T7704] netlink_sendmsg+0x723/0xbe0 [12431.175421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12431.175421][ T7704] ___sys_sendmsg+0xee/0x170 [12431.175421][ T7704] __sys_sendmsg+0xcd/0x170 [12431.175421][ T7704] do_syscall_64+0xc6/0x1e0 [12431.175421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12431.175421][ T7704] [12431.177654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12431.177654][ T7704] netdev_get_by_index+0x5e/0x80 [12431.177654][ T7704] fib6_nh_init+0x3d8/0x15b0 [12431.177654][ T7704] ip6_route_info_create+0xf18/0x17d0 [12431.177654][ T7704] addrconf_f6i_alloc+0x315/0x560 [12431.177654][ T7704] ipv6_add_addr+0x411/0x2000 [12431.177654][ T7704] inet6_addr_add+0x30e/0xa40 [12431.177654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12431.177654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12431.177654][ T7704] netlink_rcv_skb+0x130/0x360 [12431.177654][ T7704] netlink_unicast+0x449/0x710 [12431.177654][ T7704] netlink_sendmsg+0x723/0xbe0 [12431.177654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12431.177654][ T7704] ___sys_sendmsg+0xee/0x170 [12431.177654][ T7704] __sys_sendmsg+0xcd/0x170 [12431.177654][ T7704] do_syscall_64+0xc6/0x1e0 [12431.177654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12431.177654][ T7704] [12431.179914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12431.179914][ T7704] netdev_get_by_index+0x5e/0x80 [12431.179914][ T7704] fib6_nh_init+0x3d8/0x15b0 [12431.179914][ T7704] ip6_route_info_create+0xf18/0x17d0 [12431.179914][ T7704] ip6_route_add+0x1c/0x140 [12431.179914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12431.179914][ T7704] addrconf_add_dev+0xe2/0x170 [12431.179914][ T7704] inet6_addr_add+0x12f/0xa40 [12431.179914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12431.179914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12431.179914][ T7704] netlink_rcv_skb+0x130/0x360 [12431.179914][ T7704] netlink_unicast+0x449/0x710 [12431.179914][ T7704] netlink_sendmsg+0x723/0xbe0 [12431.179914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12431.179914][ T7704] ___sys_sendmsg+0xee/0x170 [12431.179914][ T7704] __sys_sendmsg+0xcd/0x170 [12431.179914][ T7704] do_syscall_64+0xc6/0x1e0 [12431.179914][ T7704] [12431.182109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12431.182109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12431.182109][ T7704] ipv6_find_idev+0x102/0x170 [12431.182109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12431.182109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12431.182109][ T7704] netlink_rcv_skb+0x130/0x360 [12431.182109][ T7704] netlink_unicast+0x449/0x710 [12431.182109][ T7704] netlink_sendmsg+0x723/0xbe0 [12431.182109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12431.182109][ T7704] ___sys_sendmsg+0xee/0x170 [12431.182109][ T7704] __sys_sendmsg+0xcd/0x170 [12431.182109][ T7704] do_syscall_64+0xc6/0x1e0 [12431.182109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12431.182109][ T7704] [12431.183820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12431.183820][ T7704] neigh_parms_alloc+0x1e5/0x510 [12431.183820][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12431.183820][ T7704] ipv6_find_idev+0x102/0x170 [12431.183820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12431.183820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12431.183820][ T7704] netlink_rcv_skb+0x130/0x360 [12431.183820][ T7704] netlink_unicast+0x449/0x710 [12431.183820][ T7704] netlink_sendmsg+0x723/0xbe0 [12431.183820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12431.183820][ T7704] ___sys_sendmsg+0xee/0x170 [12431.183820][ T7704] __sys_sendmsg+0xcd/0x170 [12431.183820][ T7704] do_syscall_64+0xc6/0x1e0 [12431.183820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12431.183820][ T7704] [12441.430932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12441.431415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12441.431415][ T7704] netdev_get_by_index+0x5e/0x80 [12441.431415][ T7704] fib6_nh_init+0x3d8/0x15b0 [12441.431415][ T7704] ip6_route_info_create+0xf18/0x17d0 [12441.431415][ T7704] ip6_route_add+0x1c/0x140 [12441.431415][ T7704] addrconf_prefix_route+0x2a6/0x430 [12441.431415][ T7704] inet6_addr_add+0x4f8/0xa40 [12441.431415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12441.431415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12441.431415][ T7704] netlink_rcv_skb+0x130/0x360 [12441.431415][ T7704] netlink_unicast+0x449/0x710 [12441.431415][ T7704] netlink_sendmsg+0x723/0xbe0 [12441.431415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12441.431415][ T7704] ___sys_sendmsg+0xee/0x170 [12441.431415][ T7704] __sys_sendmsg+0xcd/0x170 [12441.431415][ T7704] do_syscall_64+0xc6/0x1e0 [12441.431415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12441.431415][ T7704] [12441.433679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12441.433679][ T7704] netdev_get_by_index+0x5e/0x80 [12441.433679][ T7704] fib6_nh_init+0x3d8/0x15b0 [12441.433679][ T7704] ip6_route_info_create+0xf18/0x17d0 [12441.433679][ T7704] addrconf_f6i_alloc+0x315/0x560 [12441.433679][ T7704] ipv6_add_addr+0x411/0x2000 [12441.433679][ T7704] inet6_addr_add+0x30e/0xa40 [12441.433679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12441.433679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12441.433679][ T7704] netlink_rcv_skb+0x130/0x360 [12441.433679][ T7704] netlink_unicast+0x449/0x710 [12441.433679][ T7704] netlink_sendmsg+0x723/0xbe0 [12441.433679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12441.433679][ T7704] ___sys_sendmsg+0xee/0x170 [12441.433679][ T7704] __sys_sendmsg+0xcd/0x170 [12441.433679][ T7704] do_syscall_64+0xc6/0x1e0 [12441.433679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12441.433679][ T7704] [12441.435906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12441.435906][ T7704] netdev_get_by_index+0x5e/0x80 [12441.435906][ T7704] fib6_nh_init+0x3d8/0x15b0 [12441.435906][ T7704] ip6_route_info_create+0xf18/0x17d0 [12441.435906][ T7704] ip6_route_add+0x1c/0x140 [12441.435906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12441.435906][ T7704] addrconf_add_dev+0xe2/0x170 [12441.435906][ T7704] inet6_addr_add+0x12f/0xa40 [12441.435906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12441.435906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12441.435906][ T7704] netlink_rcv_skb+0x130/0x360 [12441.435906][ T7704] netlink_unicast+0x449/0x710 [12441.435906][ T7704] netlink_sendmsg+0x723/0xbe0 [12441.435906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12441.435906][ T7704] ___sys_sendmsg+0xee/0x170 [12441.435906][ T7704] __sys_sendmsg+0xcd/0x170 [12441.435906][ T7704] do_syscall_64+0xc6/0x1e0 [12441.435906][ T7704] [12441.438091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12441.438091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12441.438091][ T7704] ipv6_find_idev+0x102/0x170 [12441.438091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12441.438091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12441.438091][ T7704] netlink_rcv_skb+0x130/0x360 [12441.438091][ T7704] netlink_unicast+0x449/0x710 [12441.438091][ T7704] netlink_sendmsg+0x723/0xbe0 [12441.438091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12441.438091][ T7704] ___sys_sendmsg+0xee/0x170 [12441.438091][ T7704] __sys_sendmsg+0xcd/0x170 [12441.438091][ T7704] do_syscall_64+0xc6/0x1e0 [12441.438091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12441.438091][ T7704] [12441.439808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12441.439808][ T7704] neigh_parms_alloc+0x1e5/0x510 [12441.439808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12441.439808][ T7704] ipv6_find_idev+0x102/0x170 [12441.439808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12441.439808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12441.439808][ T7704] netlink_rcv_skb+0x130/0x360 [12441.439808][ T7704] netlink_unicast+0x449/0x710 [12441.439808][ T7704] netlink_sendmsg+0x723/0xbe0 [12441.439808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12441.439808][ T7704] ___sys_sendmsg+0xee/0x170 [12441.439808][ T7704] __sys_sendmsg+0xcd/0x170 [12441.439808][ T7704] do_syscall_64+0xc6/0x1e0 [12441.439808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12441.439808][ T7704] [12451.678940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12451.679426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12451.679426][ T7704] netdev_get_by_index+0x5e/0x80 [12451.679426][ T7704] fib6_nh_init+0x3d8/0x15b0 [12451.679426][ T7704] ip6_route_info_create+0xf18/0x17d0 [12451.679426][ T7704] ip6_route_add+0x1c/0x140 [12451.679426][ T7704] addrconf_prefix_route+0x2a6/0x430 [12451.679426][ T7704] inet6_addr_add+0x4f8/0xa40 [12451.679426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12451.679426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12451.679426][ T7704] netlink_rcv_skb+0x130/0x360 [12451.679426][ T7704] netlink_unicast+0x449/0x710 [12451.679426][ T7704] netlink_sendmsg+0x723/0xbe0 [12451.679426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12451.679426][ T7704] ___sys_sendmsg+0xee/0x170 [12451.679426][ T7704] __sys_sendmsg+0xcd/0x170 [12451.679426][ T7704] do_syscall_64+0xc6/0x1e0 [12451.679426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12451.679426][ T7704] [12451.681675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12451.681675][ T7704] netdev_get_by_index+0x5e/0x80 [12451.681675][ T7704] fib6_nh_init+0x3d8/0x15b0 [12451.681675][ T7704] ip6_route_info_create+0xf18/0x17d0 [12451.681675][ T7704] addrconf_f6i_alloc+0x315/0x560 [12451.681675][ T7704] ipv6_add_addr+0x411/0x2000 [12451.681675][ T7704] inet6_addr_add+0x30e/0xa40 [12451.681675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12451.681675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12451.681675][ T7704] netlink_rcv_skb+0x130/0x360 [12451.681675][ T7704] netlink_unicast+0x449/0x710 [12451.681675][ T7704] netlink_sendmsg+0x723/0xbe0 [12451.681675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12451.681675][ T7704] ___sys_sendmsg+0xee/0x170 [12451.681675][ T7704] __sys_sendmsg+0xcd/0x170 [12451.681675][ T7704] do_syscall_64+0xc6/0x1e0 [12451.681675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12451.681675][ T7704] [12451.683910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12451.683910][ T7704] netdev_get_by_index+0x5e/0x80 [12451.683910][ T7704] fib6_nh_init+0x3d8/0x15b0 [12451.683910][ T7704] ip6_route_info_create+0xf18/0x17d0 [12451.683910][ T7704] ip6_route_add+0x1c/0x140 [12451.683910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12451.683910][ T7704] addrconf_add_dev+0xe2/0x170 [12451.683910][ T7704] inet6_addr_add+0x12f/0xa40 [12451.683910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12451.683910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12451.683910][ T7704] netlink_rcv_skb+0x130/0x360 [12451.683910][ T7704] netlink_unicast+0x449/0x710 [12451.683910][ T7704] netlink_sendmsg+0x723/0xbe0 [12451.683910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12451.683910][ T7704] ___sys_sendmsg+0xee/0x170 [12451.683910][ T7704] __sys_sendmsg+0xcd/0x170 [12451.683910][ T7704] do_syscall_64+0xc6/0x1e0 [12451.683910][ T7704] [12451.686095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12451.686095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12451.686095][ T7704] ipv6_find_idev+0x102/0x170 [12451.686095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12451.686095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12451.686095][ T7704] netlink_rcv_skb+0x130/0x360 [12451.686095][ T7704] netlink_unicast+0x449/0x710 [12451.686095][ T7704] netlink_sendmsg+0x723/0xbe0 [12451.686095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12451.686095][ T7704] ___sys_sendmsg+0xee/0x170 [12451.686095][ T7704] __sys_sendmsg+0xcd/0x170 [12451.686095][ T7704] do_syscall_64+0xc6/0x1e0 [12451.686095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12451.686095][ T7704] [12451.687815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12451.687815][ T7704] neigh_parms_alloc+0x1e5/0x510 [12451.687815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12451.687815][ T7704] ipv6_find_idev+0x102/0x170 [12451.687815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12451.687815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12451.687815][ T7704] netlink_rcv_skb+0x130/0x360 [12451.687815][ T7704] netlink_unicast+0x449/0x710 [12451.687815][ T7704] netlink_sendmsg+0x723/0xbe0 [12451.687815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12451.687815][ T7704] ___sys_sendmsg+0xee/0x170 [12451.687815][ T7704] __sys_sendmsg+0xcd/0x170 [12451.687815][ T7704] do_syscall_64+0xc6/0x1e0 [12451.687815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12451.687815][ T7704] [12461.926939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12461.927418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12461.927418][ T7704] netdev_get_by_index+0x5e/0x80 [12461.927418][ T7704] fib6_nh_init+0x3d8/0x15b0 [12461.927418][ T7704] ip6_route_info_create+0xf18/0x17d0 [12461.927418][ T7704] ip6_route_add+0x1c/0x140 [12461.927418][ T7704] addrconf_prefix_route+0x2a6/0x430 [12461.927418][ T7704] inet6_addr_add+0x4f8/0xa40 [12461.927418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12461.927418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12461.927418][ T7704] netlink_rcv_skb+0x130/0x360 [12461.927418][ T7704] netlink_unicast+0x449/0x710 [12461.927418][ T7704] netlink_sendmsg+0x723/0xbe0 [12461.927418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12461.927418][ T7704] ___sys_sendmsg+0xee/0x170 [12461.927418][ T7704] __sys_sendmsg+0xcd/0x170 [12461.927418][ T7704] do_syscall_64+0xc6/0x1e0 [12461.927418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12461.927418][ T7704] [12461.929664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12461.929664][ T7704] netdev_get_by_index+0x5e/0x80 [12461.929664][ T7704] fib6_nh_init+0x3d8/0x15b0 [12461.929664][ T7704] ip6_route_info_create+0xf18/0x17d0 [12461.929664][ T7704] addrconf_f6i_alloc+0x315/0x560 [12461.929664][ T7704] ipv6_add_addr+0x411/0x2000 [12461.929664][ T7704] inet6_addr_add+0x30e/0xa40 [12461.929664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12461.929664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12461.929664][ T7704] netlink_rcv_skb+0x130/0x360 [12461.929664][ T7704] netlink_unicast+0x449/0x710 [12461.929664][ T7704] netlink_sendmsg+0x723/0xbe0 [12461.929664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12461.929664][ T7704] ___sys_sendmsg+0xee/0x170 [12461.929664][ T7704] __sys_sendmsg+0xcd/0x170 [12461.929664][ T7704] do_syscall_64+0xc6/0x1e0 [12461.929664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12461.929664][ T7704] [12461.931901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12461.931901][ T7704] netdev_get_by_index+0x5e/0x80 [12461.931901][ T7704] fib6_nh_init+0x3d8/0x15b0 [12461.931901][ T7704] ip6_route_info_create+0xf18/0x17d0 [12461.931901][ T7704] ip6_route_add+0x1c/0x140 [12461.931901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12461.931901][ T7704] addrconf_add_dev+0xe2/0x170 [12461.931901][ T7704] inet6_addr_add+0x12f/0xa40 [12461.931901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12461.931901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12461.931901][ T7704] netlink_rcv_skb+0x130/0x360 [12461.931901][ T7704] netlink_unicast+0x449/0x710 [12461.931901][ T7704] netlink_sendmsg+0x723/0xbe0 [12461.931901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12461.931901][ T7704] ___sys_sendmsg+0xee/0x170 [12461.931901][ T7704] __sys_sendmsg+0xcd/0x170 [12461.931901][ T7704] do_syscall_64+0xc6/0x1e0 [12461.931901][ T7704] [12461.934092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12461.934092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12461.934092][ T7704] ipv6_find_idev+0x102/0x170 [12461.934092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12461.934092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12461.934092][ T7704] netlink_rcv_skb+0x130/0x360 [12461.934092][ T7704] netlink_unicast+0x449/0x710 [12461.934092][ T7704] netlink_sendmsg+0x723/0xbe0 [12461.934092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12461.934092][ T7704] ___sys_sendmsg+0xee/0x170 [12461.934092][ T7704] __sys_sendmsg+0xcd/0x170 [12461.934092][ T7704] do_syscall_64+0xc6/0x1e0 [12461.934092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12461.934092][ T7704] [12461.935801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12461.935801][ T7704] neigh_parms_alloc+0x1e5/0x510 [12461.935801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12461.935801][ T7704] ipv6_find_idev+0x102/0x170 [12461.935801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12461.935801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12461.935801][ T7704] netlink_rcv_skb+0x130/0x360 [12461.935801][ T7704] netlink_unicast+0x449/0x710 [12461.935801][ T7704] netlink_sendmsg+0x723/0xbe0 [12461.935801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12461.935801][ T7704] ___sys_sendmsg+0xee/0x170 [12461.935801][ T7704] __sys_sendmsg+0xcd/0x170 [12461.935801][ T7704] do_syscall_64+0xc6/0x1e0 [12461.935801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12461.935801][ T7704] [12472.182935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12472.183361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12472.183361][ T7704] netdev_get_by_index+0x5e/0x80 [12472.183361][ T7704] fib6_nh_init+0x3d8/0x15b0 [12472.183361][ T7704] ip6_route_info_create+0xf18/0x17d0 [12472.183361][ T7704] ip6_route_add+0x1c/0x140 [12472.183361][ T7704] addrconf_prefix_route+0x2a6/0x430 [12472.183361][ T7704] inet6_addr_add+0x4f8/0xa40 [12472.183361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12472.183361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12472.183361][ T7704] netlink_rcv_skb+0x130/0x360 [12472.183361][ T7704] netlink_unicast+0x449/0x710 [12472.183361][ T7704] netlink_sendmsg+0x723/0xbe0 [12472.183361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12472.183361][ T7704] ___sys_sendmsg+0xee/0x170 [12472.183361][ T7704] __sys_sendmsg+0xcd/0x170 [12472.183361][ T7704] do_syscall_64+0xc6/0x1e0 [12472.183361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12472.183361][ T7704] [12472.185615][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12472.185615][ T7704] netdev_get_by_index+0x5e/0x80 [12472.185615][ T7704] fib6_nh_init+0x3d8/0x15b0 [12472.185615][ T7704] ip6_route_info_create+0xf18/0x17d0 [12472.185615][ T7704] addrconf_f6i_alloc+0x315/0x560 [12472.185615][ T7704] ipv6_add_addr+0x411/0x2000 [12472.185615][ T7704] inet6_addr_add+0x30e/0xa40 [12472.185615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12472.185615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12472.185615][ T7704] netlink_rcv_skb+0x130/0x360 [12472.185615][ T7704] netlink_unicast+0x449/0x710 [12472.185615][ T7704] netlink_sendmsg+0x723/0xbe0 [12472.185615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12472.185615][ T7704] ___sys_sendmsg+0xee/0x170 [12472.185615][ T7704] __sys_sendmsg+0xcd/0x170 [12472.185615][ T7704] do_syscall_64+0xc6/0x1e0 [12472.185615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12472.185615][ T7704] [12472.187840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12472.187840][ T7704] netdev_get_by_index+0x5e/0x80 [12472.187840][ T7704] fib6_nh_init+0x3d8/0x15b0 [12472.187840][ T7704] ip6_route_info_create+0xf18/0x17d0 [12472.187840][ T7704] ip6_route_add+0x1c/0x140 [12472.187840][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12472.187840][ T7704] addrconf_add_dev+0xe2/0x170 [12472.187840][ T7704] inet6_addr_add+0x12f/0xa40 [12472.187840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12472.187840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12472.187840][ T7704] netlink_rcv_skb+0x130/0x360 [12472.187840][ T7704] netlink_unicast+0x449/0x710 [12472.187840][ T7704] netlink_sendmsg+0x723/0xbe0 [12472.187840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12472.187840][ T7704] ___sys_sendmsg+0xee/0x170 [12472.187840][ T7704] __sys_sendmsg+0xcd/0x170 [12472.187840][ T7704] do_syscall_64+0xc6/0x1e0 [12472.187840][ T7704] [12472.190039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12472.190039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12472.190039][ T7704] ipv6_find_idev+0x102/0x170 [12472.190039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12472.190039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12472.190039][ T7704] netlink_rcv_skb+0x130/0x360 [12472.190039][ T7704] netlink_unicast+0x449/0x710 [12472.190039][ T7704] netlink_sendmsg+0x723/0xbe0 [12472.190039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12472.190039][ T7704] ___sys_sendmsg+0xee/0x170 [12472.190039][ T7704] __sys_sendmsg+0xcd/0x170 [12472.190039][ T7704] do_syscall_64+0xc6/0x1e0 [12472.190039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12472.190039][ T7704] [12472.191765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12472.191765][ T7704] neigh_parms_alloc+0x1e5/0x510 [12472.191765][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12472.191765][ T7704] ipv6_find_idev+0x102/0x170 [12472.191765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12472.191765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12472.191765][ T7704] netlink_rcv_skb+0x130/0x360 [12472.191765][ T7704] netlink_unicast+0x449/0x710 [12472.191765][ T7704] netlink_sendmsg+0x723/0xbe0 [12472.191765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12472.191765][ T7704] ___sys_sendmsg+0xee/0x170 [12472.191765][ T7704] __sys_sendmsg+0xcd/0x170 [12472.191765][ T7704] do_syscall_64+0xc6/0x1e0 [12472.191765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12472.191765][ T7704] [12482.222934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12482.223447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12482.223447][ T7704] netdev_get_by_index+0x5e/0x80 [12482.223447][ T7704] fib6_nh_init+0x3d8/0x15b0 [12482.223447][ T7704] ip6_route_info_create+0xf18/0x17d0 [12482.223447][ T7704] ip6_route_add+0x1c/0x140 [12482.223447][ T7704] addrconf_prefix_route+0x2a6/0x430 [12482.223447][ T7704] inet6_addr_add+0x4f8/0xa40 [12482.223447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12482.223447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12482.223447][ T7704] netlink_rcv_skb+0x130/0x360 [12482.223447][ T7704] netlink_unicast+0x449/0x710 [12482.223447][ T7704] netlink_sendmsg+0x723/0xbe0 [12482.223447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12482.223447][ T7704] ___sys_sendmsg+0xee/0x170 [12482.223447][ T7704] __sys_sendmsg+0xcd/0x170 [12482.223447][ T7704] do_syscall_64+0xc6/0x1e0 [12482.223447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12482.223447][ T7704] [12482.225702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12482.225702][ T7704] netdev_get_by_index+0x5e/0x80 [12482.225702][ T7704] fib6_nh_init+0x3d8/0x15b0 [12482.225702][ T7704] ip6_route_info_create+0xf18/0x17d0 [12482.225702][ T7704] addrconf_f6i_alloc+0x315/0x560 [12482.225702][ T7704] ipv6_add_addr+0x411/0x2000 [12482.225702][ T7704] inet6_addr_add+0x30e/0xa40 [12482.225702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12482.225702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12482.225702][ T7704] netlink_rcv_skb+0x130/0x360 [12482.225702][ T7704] netlink_unicast+0x449/0x710 [12482.225702][ T7704] netlink_sendmsg+0x723/0xbe0 [12482.225702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12482.225702][ T7704] ___sys_sendmsg+0xee/0x170 [12482.225702][ T7704] __sys_sendmsg+0xcd/0x170 [12482.225702][ T7704] do_syscall_64+0xc6/0x1e0 [12482.225702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12482.225702][ T7704] [12482.227940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12482.227940][ T7704] netdev_get_by_index+0x5e/0x80 [12482.227940][ T7704] fib6_nh_init+0x3d8/0x15b0 [12482.227940][ T7704] ip6_route_info_create+0xf18/0x17d0 [12482.227940][ T7704] ip6_route_add+0x1c/0x140 [12482.227940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12482.227940][ T7704] addrconf_add_dev+0xe2/0x170 [12482.227940][ T7704] inet6_addr_add+0x12f/0xa40 [12482.227940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12482.227940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12482.227940][ T7704] netlink_rcv_skb+0x130/0x360 [12482.227940][ T7704] netlink_unicast+0x449/0x710 [12482.227940][ T7704] netlink_sendmsg+0x723/0xbe0 [12482.227940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12482.227940][ T7704] ___sys_sendmsg+0xee/0x170 [12482.227940][ T7704] __sys_sendmsg+0xcd/0x170 [12482.227940][ T7704] do_syscall_64+0xc6/0x1e0 [12482.227940][ T7704] [12482.230651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12482.230651][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12482.230651][ T7704] ipv6_find_idev+0x102/0x170 [12482.230651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12482.230651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12482.230651][ T7704] netlink_rcv_skb+0x130/0x360 [12482.230651][ T7704] netlink_unicast+0x449/0x710 [12482.230651][ T7704] netlink_sendmsg+0x723/0xbe0 [12482.230651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12482.230651][ T7704] ___sys_sendmsg+0xee/0x170 [12482.230651][ T7704] __sys_sendmsg+0xcd/0x170 [12482.230651][ T7704] do_syscall_64+0xc6/0x1e0 [12482.230651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12482.230651][ T7704] [12482.232371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12482.232371][ T7704] neigh_parms_alloc+0x1e5/0x510 [12482.232371][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12482.232371][ T7704] ipv6_find_idev+0x102/0x170 [12482.232371][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12482.232371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12482.232371][ T7704] netlink_rcv_skb+0x130/0x360 [12482.232371][ T7704] netlink_unicast+0x449/0x710 [12482.232371][ T7704] netlink_sendmsg+0x723/0xbe0 [12482.232371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12482.232371][ T7704] ___sys_sendmsg+0xee/0x170 [12482.232371][ T7704] __sys_sendmsg+0xcd/0x170 [12482.232371][ T7704] do_syscall_64+0xc6/0x1e0 [12482.232371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12482.232371][ T7704] [12492.470932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12492.471418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12492.471418][ T7704] netdev_get_by_index+0x5e/0x80 [12492.471418][ T7704] fib6_nh_init+0x3d8/0x15b0 [12492.471418][ T7704] ip6_route_info_create+0xf18/0x17d0 [12492.471418][ T7704] ip6_route_add+0x1c/0x140 [12492.471418][ T7704] addrconf_prefix_route+0x2a6/0x430 [12492.471418][ T7704] inet6_addr_add+0x4f8/0xa40 [12492.471418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12492.471418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12492.471418][ T7704] netlink_rcv_skb+0x130/0x360 [12492.471418][ T7704] netlink_unicast+0x449/0x710 [12492.471418][ T7704] netlink_sendmsg+0x723/0xbe0 [12492.471418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12492.471418][ T7704] ___sys_sendmsg+0xee/0x170 [12492.471418][ T7704] __sys_sendmsg+0xcd/0x170 [12492.471418][ T7704] do_syscall_64+0xc6/0x1e0 [12492.471418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12492.471418][ T7704] [12492.473680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12492.473680][ T7704] netdev_get_by_index+0x5e/0x80 [12492.473680][ T7704] fib6_nh_init+0x3d8/0x15b0 [12492.473680][ T7704] ip6_route_info_create+0xf18/0x17d0 [12492.473680][ T7704] addrconf_f6i_alloc+0x315/0x560 [12492.473680][ T7704] ipv6_add_addr+0x411/0x2000 [12492.473680][ T7704] inet6_addr_add+0x30e/0xa40 [12492.473680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12492.473680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12492.473680][ T7704] netlink_rcv_skb+0x130/0x360 [12492.473680][ T7704] netlink_unicast+0x449/0x710 [12492.473680][ T7704] netlink_sendmsg+0x723/0xbe0 [12492.473680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12492.473680][ T7704] ___sys_sendmsg+0xee/0x170 [12492.473680][ T7704] __sys_sendmsg+0xcd/0x170 [12492.473680][ T7704] do_syscall_64+0xc6/0x1e0 [12492.473680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12492.473680][ T7704] [12492.475895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12492.475895][ T7704] netdev_get_by_index+0x5e/0x80 [12492.475895][ T7704] fib6_nh_init+0x3d8/0x15b0 [12492.475895][ T7704] ip6_route_info_create+0xf18/0x17d0 [12492.475895][ T7704] ip6_route_add+0x1c/0x140 [12492.475895][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12492.475895][ T7704] addrconf_add_dev+0xe2/0x170 [12492.475895][ T7704] inet6_addr_add+0x12f/0xa40 [12492.475895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12492.475895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12492.475895][ T7704] netlink_rcv_skb+0x130/0x360 [12492.475895][ T7704] netlink_unicast+0x449/0x710 [12492.475895][ T7704] netlink_sendmsg+0x723/0xbe0 [12492.475895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12492.475895][ T7704] ___sys_sendmsg+0xee/0x170 [12492.475895][ T7704] __sys_sendmsg+0xcd/0x170 [12492.475895][ T7704] do_syscall_64+0xc6/0x1e0 [12492.475895][ T7704] [12492.478065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12492.478065][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12492.478065][ T7704] ipv6_find_idev+0x102/0x170 [12492.478065][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12492.478065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12492.478065][ T7704] netlink_rcv_skb+0x130/0x360 [12492.478065][ T7704] netlink_unicast+0x449/0x710 [12492.478065][ T7704] netlink_sendmsg+0x723/0xbe0 [12492.478065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12492.478065][ T7704] ___sys_sendmsg+0xee/0x170 [12492.478065][ T7704] __sys_sendmsg+0xcd/0x170 [12492.478065][ T7704] do_syscall_64+0xc6/0x1e0 [12492.478065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12492.478065][ T7704] [12492.479764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12492.479764][ T7704] neigh_parms_alloc+0x1e5/0x510 [12492.479764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12492.479764][ T7704] ipv6_find_idev+0x102/0x170 [12492.479764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12492.479764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12492.479764][ T7704] netlink_rcv_skb+0x130/0x360 [12492.479764][ T7704] netlink_unicast+0x449/0x710 [12492.479764][ T7704] netlink_sendmsg+0x723/0xbe0 [12492.479764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12492.479764][ T7704] ___sys_sendmsg+0xee/0x170 [12492.479764][ T7704] __sys_sendmsg+0xcd/0x170 [12492.479764][ T7704] do_syscall_64+0xc6/0x1e0 [12492.479764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12492.479764][ T7704] [12502.838900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12502.839354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12502.839354][ T7704] netdev_get_by_index+0x5e/0x80 [12502.839354][ T7704] fib6_nh_init+0x3d8/0x15b0 [12502.839354][ T7704] ip6_route_info_create+0xf18/0x17d0 [12502.839354][ T7704] ip6_route_add+0x1c/0x140 [12502.839354][ T7704] addrconf_prefix_route+0x2a6/0x430 [12502.839354][ T7704] inet6_addr_add+0x4f8/0xa40 [12502.839354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12502.839354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12502.839354][ T7704] netlink_rcv_skb+0x130/0x360 [12502.839354][ T7704] netlink_unicast+0x449/0x710 [12502.839354][ T7704] netlink_sendmsg+0x723/0xbe0 [12502.839354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12502.839354][ T7704] ___sys_sendmsg+0xee/0x170 [12502.839354][ T7704] __sys_sendmsg+0xcd/0x170 [12502.839354][ T7704] do_syscall_64+0xc6/0x1e0 [12502.839354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12502.839354][ T7704] [12502.841660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12502.841660][ T7704] netdev_get_by_index+0x5e/0x80 [12502.841660][ T7704] fib6_nh_init+0x3d8/0x15b0 [12502.841660][ T7704] ip6_route_info_create+0xf18/0x17d0 [12502.841660][ T7704] addrconf_f6i_alloc+0x315/0x560 [12502.841660][ T7704] ipv6_add_addr+0x411/0x2000 [12502.841660][ T7704] inet6_addr_add+0x30e/0xa40 [12502.841660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12502.841660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12502.841660][ T7704] netlink_rcv_skb+0x130/0x360 [12502.841660][ T7704] netlink_unicast+0x449/0x710 [12502.841660][ T7704] netlink_sendmsg+0x723/0xbe0 [12502.841660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12502.841660][ T7704] ___sys_sendmsg+0xee/0x170 [12502.841660][ T7704] __sys_sendmsg+0xcd/0x170 [12502.841660][ T7704] do_syscall_64+0xc6/0x1e0 [12502.841660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12502.841660][ T7704] [12502.843924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12502.843924][ T7704] netdev_get_by_index+0x5e/0x80 [12502.843924][ T7704] fib6_nh_init+0x3d8/0x15b0 [12502.843924][ T7704] ip6_route_info_create+0xf18/0x17d0 [12502.843924][ T7704] ip6_route_add+0x1c/0x140 [12502.843924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12502.843924][ T7704] addrconf_add_dev+0xe2/0x170 [12502.843924][ T7704] inet6_addr_add+0x12f/0xa40 [12502.843924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12502.843924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12502.843924][ T7704] netlink_rcv_skb+0x130/0x360 [12502.843924][ T7704] netlink_unicast+0x449/0x710 [12502.843924][ T7704] netlink_sendmsg+0x723/0xbe0 [12502.843924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12502.843924][ T7704] ___sys_sendmsg+0xee/0x170 [12502.843924][ T7704] __sys_sendmsg+0xcd/0x170 [12502.843924][ T7704] do_syscall_64+0xc6/0x1e0 [12502.843924][ T7704] [12502.846186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12502.846186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12502.846186][ T7704] ipv6_find_idev+0x102/0x170 [12502.846186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12502.846186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12502.846186][ T7704] netlink_rcv_skb+0x130/0x360 [12502.846186][ T7704] netlink_unicast+0x449/0x710 [12502.846186][ T7704] netlink_sendmsg+0x723/0xbe0 [12502.846186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12502.846186][ T7704] ___sys_sendmsg+0xee/0x170 [12502.846186][ T7704] __sys_sendmsg+0xcd/0x170 [12502.846186][ T7704] do_syscall_64+0xc6/0x1e0 [12502.846186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12502.846186][ T7704] [12502.847927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12502.847927][ T7704] neigh_parms_alloc+0x1e5/0x510 [12502.847927][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12502.847927][ T7704] ipv6_find_idev+0x102/0x170 [12502.847927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12502.847927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12502.847927][ T7704] netlink_rcv_skb+0x130/0x360 [12502.847927][ T7704] netlink_unicast+0x449/0x710 [12502.847927][ T7704] netlink_sendmsg+0x723/0xbe0 [12502.847927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12502.847927][ T7704] ___sys_sendmsg+0xee/0x170 [12502.847927][ T7704] __sys_sendmsg+0xcd/0x170 [12502.847927][ T7704] do_syscall_64+0xc6/0x1e0 [12502.847927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12502.847927][ T7704] [12512.886938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12512.887447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12512.887447][ T7704] netdev_get_by_index+0x5e/0x80 [12512.887447][ T7704] fib6_nh_init+0x3d8/0x15b0 [12512.887447][ T7704] ip6_route_info_create+0xf18/0x17d0 [12512.887447][ T7704] ip6_route_add+0x1c/0x140 [12512.887447][ T7704] addrconf_prefix_route+0x2a6/0x430 [12512.887447][ T7704] inet6_addr_add+0x4f8/0xa40 [12512.887447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12512.887447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12512.887447][ T7704] netlink_rcv_skb+0x130/0x360 [12512.887447][ T7704] netlink_unicast+0x449/0x710 [12512.887447][ T7704] netlink_sendmsg+0x723/0xbe0 [12512.887447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12512.887447][ T7704] ___sys_sendmsg+0xee/0x170 [12512.887447][ T7704] __sys_sendmsg+0xcd/0x170 [12512.887447][ T7704] do_syscall_64+0xc6/0x1e0 [12512.887447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12512.887447][ T7704] [12512.889748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12512.889748][ T7704] netdev_get_by_index+0x5e/0x80 [12512.889748][ T7704] fib6_nh_init+0x3d8/0x15b0 [12512.889748][ T7704] ip6_route_info_create+0xf18/0x17d0 [12512.889748][ T7704] addrconf_f6i_alloc+0x315/0x560 [12512.889748][ T7704] ipv6_add_addr+0x411/0x2000 [12512.889748][ T7704] inet6_addr_add+0x30e/0xa40 [12512.889748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12512.889748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12512.889748][ T7704] netlink_rcv_skb+0x130/0x360 [12512.889748][ T7704] netlink_unicast+0x449/0x710 [12512.889748][ T7704] netlink_sendmsg+0x723/0xbe0 [12512.889748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12512.889748][ T7704] ___sys_sendmsg+0xee/0x170 [12512.889748][ T7704] __sys_sendmsg+0xcd/0x170 [12512.889748][ T7704] do_syscall_64+0xc6/0x1e0 [12512.889748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12512.889748][ T7704] [12512.892017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12512.892017][ T7704] netdev_get_by_index+0x5e/0x80 [12512.892017][ T7704] fib6_nh_init+0x3d8/0x15b0 [12512.892017][ T7704] ip6_route_info_create+0xf18/0x17d0 [12512.892017][ T7704] ip6_route_add+0x1c/0x140 [12512.892017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12512.892017][ T7704] addrconf_add_dev+0xe2/0x170 [12512.892017][ T7704] inet6_addr_add+0x12f/0xa40 [12512.892017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12512.892017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12512.892017][ T7704] netlink_rcv_skb+0x130/0x360 [12512.892017][ T7704] netlink_unicast+0x449/0x710 [12512.892017][ T7704] netlink_sendmsg+0x723/0xbe0 [12512.892017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12512.892017][ T7704] ___sys_sendmsg+0xee/0x170 [12512.892017][ T7704] __sys_sendmsg+0xcd/0x170 [12512.892017][ T7704] do_syscall_64+0xc6/0x1e0 [12512.892017][ T7704] [12512.894240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12512.894240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12512.894240][ T7704] ipv6_find_idev+0x102/0x170 [12512.894240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12512.894240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12512.894240][ T7704] netlink_rcv_skb+0x130/0x360 [12512.894240][ T7704] netlink_unicast+0x449/0x710 [12512.894240][ T7704] netlink_sendmsg+0x723/0xbe0 [12512.894240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12512.894240][ T7704] ___sys_sendmsg+0xee/0x170 [12512.894240][ T7704] __sys_sendmsg+0xcd/0x170 [12512.894240][ T7704] do_syscall_64+0xc6/0x1e0 [12512.894240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12512.894240][ T7704] [12512.895996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12512.895996][ T7704] neigh_parms_alloc+0x1e5/0x510 [12512.895996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12512.895996][ T7704] ipv6_find_idev+0x102/0x170 [12512.895996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12512.895996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12512.895996][ T7704] netlink_rcv_skb+0x130/0x360 [12512.895996][ T7704] netlink_unicast+0x449/0x710 [12512.895996][ T7704] netlink_sendmsg+0x723/0xbe0 [12512.895996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12512.895996][ T7704] ___sys_sendmsg+0xee/0x170 [12512.895996][ T7704] __sys_sendmsg+0xcd/0x170 [12512.895996][ T7704] do_syscall_64+0xc6/0x1e0 [12512.895996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12512.895996][ T7704] [12522.934960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12522.935623][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12522.935623][ T7704] netdev_get_by_index+0x5e/0x80 [12522.935623][ T7704] fib6_nh_init+0x3d8/0x15b0 [12522.935623][ T7704] ip6_route_info_create+0xf18/0x17d0 [12522.935623][ T7704] ip6_route_add+0x1c/0x140 [12522.935623][ T7704] addrconf_prefix_route+0x2a6/0x430 [12522.935623][ T7704] inet6_addr_add+0x4f8/0xa40 [12522.935623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12522.935623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12522.935623][ T7704] netlink_rcv_skb+0x130/0x360 [12522.935623][ T7704] netlink_unicast+0x449/0x710 [12522.935623][ T7704] netlink_sendmsg+0x723/0xbe0 [12522.935623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12522.935623][ T7704] ___sys_sendmsg+0xee/0x170 [12522.935623][ T7704] __sys_sendmsg+0xcd/0x170 [12522.935623][ T7704] do_syscall_64+0xc6/0x1e0 [12522.935623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12522.935623][ T7704] [12522.939131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12522.939131][ T7704] netdev_get_by_index+0x5e/0x80 [12522.939131][ T7704] fib6_nh_init+0x3d8/0x15b0 [12522.939131][ T7704] ip6_route_info_create+0xf18/0x17d0 [12522.939131][ T7704] addrconf_f6i_alloc+0x315/0x560 [12522.939131][ T7704] ipv6_add_addr+0x411/0x2000 [12522.939131][ T7704] inet6_addr_add+0x30e/0xa40 [12522.939131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12522.939131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12522.939131][ T7704] netlink_rcv_skb+0x130/0x360 [12522.939131][ T7704] netlink_unicast+0x449/0x710 [12522.939131][ T7704] netlink_sendmsg+0x723/0xbe0 [12522.939131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12522.939131][ T7704] ___sys_sendmsg+0xee/0x170 [12522.939131][ T7704] __sys_sendmsg+0xcd/0x170 [12522.939131][ T7704] do_syscall_64+0xc6/0x1e0 [12522.939131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12522.939131][ T7704] [12522.942284][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12522.942284][ T7704] netdev_get_by_index+0x5e/0x80 [12522.942284][ T7704] fib6_nh_init+0x3d8/0x15b0 [12522.942284][ T7704] ip6_route_info_create+0xf18/0x17d0 [12522.942284][ T7704] ip6_route_add+0x1c/0x140 [12522.942284][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12522.942284][ T7704] addrconf_add_dev+0xe2/0x170 [12522.942284][ T7704] inet6_addr_add+0x12f/0xa40 [12522.942284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12522.942284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12522.942284][ T7704] netlink_rcv_skb+0x130/0x360 [12522.942284][ T7704] netlink_unicast+0x449/0x710 [12522.942284][ T7704] netlink_sendmsg+0x723/0xbe0 [12522.942284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12522.942284][ T7704] ___sys_sendmsg+0xee/0x170 [12522.942284][ T7704] __sys_sendmsg+0xcd/0x170 [12522.942284][ T7704] do_syscall_64+0xc6/0x1e0 [12522.942284][ T7704] [12522.945306][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12522.945306][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12522.945306][ T7704] ipv6_find_idev+0x102/0x170 [12522.945306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12522.945306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12522.945306][ T7704] netlink_rcv_skb+0x130/0x360 [12522.945306][ T7704] netlink_unicast+0x449/0x710 [12522.945306][ T7704] netlink_sendmsg+0x723/0xbe0 [12522.945306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12522.945306][ T7704] ___sys_sendmsg+0xee/0x170 [12522.945306][ T7704] __sys_sendmsg+0xcd/0x170 [12522.945306][ T7704] do_syscall_64+0xc6/0x1e0 [12522.945306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12522.945306][ T7704] [12522.947634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12522.947634][ T7704] neigh_parms_alloc+0x1e5/0x510 [12522.947634][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12522.947634][ T7704] ipv6_find_idev+0x102/0x170 [12522.947634][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12522.947634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12522.947634][ T7704] netlink_rcv_skb+0x130/0x360 [12522.947634][ T7704] netlink_unicast+0x449/0x710 [12522.947634][ T7704] netlink_sendmsg+0x723/0xbe0 [12522.947634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12522.947634][ T7704] ___sys_sendmsg+0xee/0x170 [12522.947634][ T7704] __sys_sendmsg+0xcd/0x170 [12522.947634][ T7704] do_syscall_64+0xc6/0x1e0 [12522.947634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12522.947634][ T7704] [12533.190956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12533.191462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12533.191462][ T7704] netdev_get_by_index+0x5e/0x80 [12533.191462][ T7704] fib6_nh_init+0x3d8/0x15b0 [12533.191462][ T7704] ip6_route_info_create+0xf18/0x17d0 [12533.191462][ T7704] ip6_route_add+0x1c/0x140 [12533.191462][ T7704] addrconf_prefix_route+0x2a6/0x430 [12533.191462][ T7704] inet6_addr_add+0x4f8/0xa40 [12533.191462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12533.191462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12533.191462][ T7704] netlink_rcv_skb+0x130/0x360 [12533.191462][ T7704] netlink_unicast+0x449/0x710 [12533.191462][ T7704] netlink_sendmsg+0x723/0xbe0 [12533.191462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12533.191462][ T7704] ___sys_sendmsg+0xee/0x170 [12533.191462][ T7704] __sys_sendmsg+0xcd/0x170 [12533.191462][ T7704] do_syscall_64+0xc6/0x1e0 [12533.191462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12533.191462][ T7704] [12533.193786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12533.193786][ T7704] netdev_get_by_index+0x5e/0x80 [12533.193786][ T7704] fib6_nh_init+0x3d8/0x15b0 [12533.193786][ T7704] ip6_route_info_create+0xf18/0x17d0 [12533.193786][ T7704] addrconf_f6i_alloc+0x315/0x560 [12533.193786][ T7704] ipv6_add_addr+0x411/0x2000 [12533.193786][ T7704] inet6_addr_add+0x30e/0xa40 [12533.193786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12533.193786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12533.193786][ T7704] netlink_rcv_skb+0x130/0x360 [12533.193786][ T7704] netlink_unicast+0x449/0x710 [12533.193786][ T7704] netlink_sendmsg+0x723/0xbe0 [12533.193786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12533.193786][ T7704] ___sys_sendmsg+0xee/0x170 [12533.193786][ T7704] __sys_sendmsg+0xcd/0x170 [12533.193786][ T7704] do_syscall_64+0xc6/0x1e0 [12533.193786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12533.193786][ T7704] [12533.196068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12533.196068][ T7704] netdev_get_by_index+0x5e/0x80 [12533.196068][ T7704] fib6_nh_init+0x3d8/0x15b0 [12533.196068][ T7704] ip6_route_info_create+0xf18/0x17d0 [12533.196068][ T7704] ip6_route_add+0x1c/0x140 [12533.196068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12533.196068][ T7704] addrconf_add_dev+0xe2/0x170 [12533.196068][ T7704] inet6_addr_add+0x12f/0xa40 [12533.196068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12533.196068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12533.196068][ T7704] netlink_rcv_skb+0x130/0x360 [12533.196068][ T7704] netlink_unicast+0x449/0x710 [12533.196068][ T7704] netlink_sendmsg+0x723/0xbe0 [12533.196068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12533.196068][ T7704] ___sys_sendmsg+0xee/0x170 [12533.196068][ T7704] __sys_sendmsg+0xcd/0x170 [12533.196068][ T7704] do_syscall_64+0xc6/0x1e0 [12533.196068][ T7704] [12533.198319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12533.198319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12533.198319][ T7704] ipv6_find_idev+0x102/0x170 [12533.198319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12533.198319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12533.198319][ T7704] netlink_rcv_skb+0x130/0x360 [12533.198319][ T7704] netlink_unicast+0x449/0x710 [12533.198319][ T7704] netlink_sendmsg+0x723/0xbe0 [12533.198319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12533.198319][ T7704] ___sys_sendmsg+0xee/0x170 [12533.198319][ T7704] __sys_sendmsg+0xcd/0x170 [12533.198319][ T7704] do_syscall_64+0xc6/0x1e0 [12533.198319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12533.198319][ T7704] [12533.200066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12533.200066][ T7704] neigh_parms_alloc+0x1e5/0x510 [12533.200066][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12533.200066][ T7704] ipv6_find_idev+0x102/0x170 [12533.200066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12533.200066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12533.200066][ T7704] netlink_rcv_skb+0x130/0x360 [12533.200066][ T7704] netlink_unicast+0x449/0x710 [12533.200066][ T7704] netlink_sendmsg+0x723/0xbe0 [12533.200066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12533.200066][ T7704] ___sys_sendmsg+0xee/0x170 [12533.200066][ T7704] __sys_sendmsg+0xcd/0x170 [12533.200066][ T7704] do_syscall_64+0xc6/0x1e0 [12533.200066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12533.200066][ T7704] [12543.438952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12543.439505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12543.439505][ T7704] netdev_get_by_index+0x5e/0x80 [12543.439505][ T7704] fib6_nh_init+0x3d8/0x15b0 [12543.439505][ T7704] ip6_route_info_create+0xf18/0x17d0 [12543.439505][ T7704] ip6_route_add+0x1c/0x140 [12543.439505][ T7704] addrconf_prefix_route+0x2a6/0x430 [12543.439505][ T7704] inet6_addr_add+0x4f8/0xa40 [12543.439505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12543.439505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12543.439505][ T7704] netlink_rcv_skb+0x130/0x360 [12543.439505][ T7704] netlink_unicast+0x449/0x710 [12543.439505][ T7704] netlink_sendmsg+0x723/0xbe0 [12543.439505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12543.439505][ T7704] ___sys_sendmsg+0xee/0x170 [12543.439505][ T7704] __sys_sendmsg+0xcd/0x170 [12543.439505][ T7704] do_syscall_64+0xc6/0x1e0 [12543.439505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12543.439505][ T7704] [12543.441781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12543.441781][ T7704] netdev_get_by_index+0x5e/0x80 [12543.441781][ T7704] fib6_nh_init+0x3d8/0x15b0 [12543.441781][ T7704] ip6_route_info_create+0xf18/0x17d0 [12543.441781][ T7704] addrconf_f6i_alloc+0x315/0x560 [12543.441781][ T7704] ipv6_add_addr+0x411/0x2000 [12543.441781][ T7704] inet6_addr_add+0x30e/0xa40 [12543.441781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12543.441781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12543.441781][ T7704] netlink_rcv_skb+0x130/0x360 [12543.441781][ T7704] netlink_unicast+0x449/0x710 [12543.441781][ T7704] netlink_sendmsg+0x723/0xbe0 [12543.441781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12543.441781][ T7704] ___sys_sendmsg+0xee/0x170 [12543.441781][ T7704] __sys_sendmsg+0xcd/0x170 [12543.441781][ T7704] do_syscall_64+0xc6/0x1e0 [12543.441781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12543.441781][ T7704] [12543.444029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12543.444029][ T7704] netdev_get_by_index+0x5e/0x80 [12543.444029][ T7704] fib6_nh_init+0x3d8/0x15b0 [12543.444029][ T7704] ip6_route_info_create+0xf18/0x17d0 [12543.444029][ T7704] ip6_route_add+0x1c/0x140 [12543.444029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12543.444029][ T7704] addrconf_add_dev+0xe2/0x170 [12543.444029][ T7704] inet6_addr_add+0x12f/0xa40 [12543.444029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12543.444029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12543.444029][ T7704] netlink_rcv_skb+0x130/0x360 [12543.444029][ T7704] netlink_unicast+0x449/0x710 [12543.444029][ T7704] netlink_sendmsg+0x723/0xbe0 [12543.444029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12543.444029][ T7704] ___sys_sendmsg+0xee/0x170 [12543.444029][ T7704] __sys_sendmsg+0xcd/0x170 [12543.444029][ T7704] do_syscall_64+0xc6/0x1e0 [12543.444029][ T7704] [12543.446274][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12543.446274][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12543.446274][ T7704] ipv6_find_idev+0x102/0x170 [12543.446274][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12543.446274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12543.446274][ T7704] netlink_rcv_skb+0x130/0x360 [12543.446274][ T7704] netlink_unicast+0x449/0x710 [12543.446274][ T7704] netlink_sendmsg+0x723/0xbe0 [12543.446274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12543.446274][ T7704] ___sys_sendmsg+0xee/0x170 [12543.446274][ T7704] __sys_sendmsg+0xcd/0x170 [12543.446274][ T7704] do_syscall_64+0xc6/0x1e0 [12543.446274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12543.446274][ T7704] [12543.448013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12543.448013][ T7704] neigh_parms_alloc+0x1e5/0x510 [12543.448013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12543.448013][ T7704] ipv6_find_idev+0x102/0x170 [12543.448013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12543.448013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12543.448013][ T7704] netlink_rcv_skb+0x130/0x360 [12543.448013][ T7704] netlink_unicast+0x449/0x710 [12543.448013][ T7704] netlink_sendmsg+0x723/0xbe0 [12543.448013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12543.448013][ T7704] ___sys_sendmsg+0xee/0x170 [12543.448013][ T7704] __sys_sendmsg+0xcd/0x170 [12543.448013][ T7704] do_syscall_64+0xc6/0x1e0 [12543.448013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12543.448013][ T7704] [12553.494884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12553.495374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12553.495374][ T7704] netdev_get_by_index+0x5e/0x80 [12553.495374][ T7704] fib6_nh_init+0x3d8/0x15b0 [12553.495374][ T7704] ip6_route_info_create+0xf18/0x17d0 [12553.495374][ T7704] ip6_route_add+0x1c/0x140 [12553.495374][ T7704] addrconf_prefix_route+0x2a6/0x430 [12553.495374][ T7704] inet6_addr_add+0x4f8/0xa40 [12553.495374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12553.495374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12553.495374][ T7704] netlink_rcv_skb+0x130/0x360 [12553.495374][ T7704] netlink_unicast+0x449/0x710 [12553.495374][ T7704] netlink_sendmsg+0x723/0xbe0 [12553.495374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12553.495374][ T7704] ___sys_sendmsg+0xee/0x170 [12553.495374][ T7704] __sys_sendmsg+0xcd/0x170 [12553.495374][ T7704] do_syscall_64+0xc6/0x1e0 [12553.495374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12553.495374][ T7704] [12553.497641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12553.497641][ T7704] netdev_get_by_index+0x5e/0x80 [12553.497641][ T7704] fib6_nh_init+0x3d8/0x15b0 [12553.497641][ T7704] ip6_route_info_create+0xf18/0x17d0 [12553.497641][ T7704] addrconf_f6i_alloc+0x315/0x560 [12553.497641][ T7704] ipv6_add_addr+0x411/0x2000 [12553.497641][ T7704] inet6_addr_add+0x30e/0xa40 [12553.497641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12553.497641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12553.497641][ T7704] netlink_rcv_skb+0x130/0x360 [12553.497641][ T7704] netlink_unicast+0x449/0x710 [12553.497641][ T7704] netlink_sendmsg+0x723/0xbe0 [12553.497641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12553.497641][ T7704] ___sys_sendmsg+0xee/0x170 [12553.497641][ T7704] __sys_sendmsg+0xcd/0x170 [12553.497641][ T7704] do_syscall_64+0xc6/0x1e0 [12553.497641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12553.497641][ T7704] [12553.499877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12553.499877][ T7704] netdev_get_by_index+0x5e/0x80 [12553.499877][ T7704] fib6_nh_init+0x3d8/0x15b0 [12553.499877][ T7704] ip6_route_info_create+0xf18/0x17d0 [12553.499877][ T7704] ip6_route_add+0x1c/0x140 [12553.499877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12553.499877][ T7704] addrconf_add_dev+0xe2/0x170 [12553.499877][ T7704] inet6_addr_add+0x12f/0xa40 [12553.499877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12553.499877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12553.499877][ T7704] netlink_rcv_skb+0x130/0x360 [12553.499877][ T7704] netlink_unicast+0x449/0x710 [12553.499877][ T7704] netlink_sendmsg+0x723/0xbe0 [12553.499877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12553.499877][ T7704] ___sys_sendmsg+0xee/0x170 [12553.499877][ T7704] __sys_sendmsg+0xcd/0x170 [12553.499877][ T7704] do_syscall_64+0xc6/0x1e0 [12553.499877][ T7704] [12553.502089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12553.502089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12553.502089][ T7704] ipv6_find_idev+0x102/0x170 [12553.502089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12553.502089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12553.502089][ T7704] netlink_rcv_skb+0x130/0x360 [12553.502089][ T7704] netlink_unicast+0x449/0x710 [12553.502089][ T7704] netlink_sendmsg+0x723/0xbe0 [12553.502089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12553.502089][ T7704] ___sys_sendmsg+0xee/0x170 [12553.502089][ T7704] __sys_sendmsg+0xcd/0x170 [12553.502089][ T7704] do_syscall_64+0xc6/0x1e0 [12553.502089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12553.502089][ T7704] [12553.503812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12553.503812][ T7704] neigh_parms_alloc+0x1e5/0x510 [12553.503812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12553.503812][ T7704] ipv6_find_idev+0x102/0x170 [12553.503812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12553.503812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12553.503812][ T7704] netlink_rcv_skb+0x130/0x360 [12553.503812][ T7704] netlink_unicast+0x449/0x710 [12553.503812][ T7704] netlink_sendmsg+0x723/0xbe0 [12553.503812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12553.503812][ T7704] ___sys_sendmsg+0xee/0x170 [12553.503812][ T7704] __sys_sendmsg+0xcd/0x170 [12553.503812][ T7704] do_syscall_64+0xc6/0x1e0 [12553.503812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12553.503812][ T7704] [12563.743016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12563.743964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12563.743964][ T7704] netdev_get_by_index+0x5e/0x80 [12563.743964][ T7704] fib6_nh_init+0x3d8/0x15b0 [12563.743964][ T7704] ip6_route_info_create+0xf18/0x17d0 [12563.743964][ T7704] ip6_route_add+0x1c/0x140 [12563.743964][ T7704] addrconf_prefix_route+0x2a6/0x430 [12563.743964][ T7704] inet6_addr_add+0x4f8/0xa40 [12563.743964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12563.743964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12563.743964][ T7704] netlink_rcv_skb+0x130/0x360 [12563.743964][ T7704] netlink_unicast+0x449/0x710 [12563.743964][ T7704] netlink_sendmsg+0x723/0xbe0 [12563.743964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12563.743964][ T7704] ___sys_sendmsg+0xee/0x170 [12563.743964][ T7704] __sys_sendmsg+0xcd/0x170 [12563.743964][ T7704] do_syscall_64+0xc6/0x1e0 [12563.743964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12563.743964][ T7704] [12563.746238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12563.746238][ T7704] netdev_get_by_index+0x5e/0x80 [12563.746238][ T7704] fib6_nh_init+0x3d8/0x15b0 [12563.746238][ T7704] ip6_route_info_create+0xf18/0x17d0 [12563.746238][ T7704] addrconf_f6i_alloc+0x315/0x560 [12563.746238][ T7704] ipv6_add_addr+0x411/0x2000 [12563.746238][ T7704] inet6_addr_add+0x30e/0xa40 [12563.746238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12563.746238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12563.746238][ T7704] netlink_rcv_skb+0x130/0x360 [12563.746238][ T7704] netlink_unicast+0x449/0x710 [12563.746238][ T7704] netlink_sendmsg+0x723/0xbe0 [12563.746238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12563.746238][ T7704] ___sys_sendmsg+0xee/0x170 [12563.746238][ T7704] __sys_sendmsg+0xcd/0x170 [12563.746238][ T7704] do_syscall_64+0xc6/0x1e0 [12563.746238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12563.746238][ T7704] [12563.748491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12563.748491][ T7704] netdev_get_by_index+0x5e/0x80 [12563.748491][ T7704] fib6_nh_init+0x3d8/0x15b0 [12563.748491][ T7704] ip6_route_info_create+0xf18/0x17d0 [12563.748491][ T7704] ip6_route_add+0x1c/0x140 [12563.748491][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12563.748491][ T7704] addrconf_add_dev+0xe2/0x170 [12563.748491][ T7704] inet6_addr_add+0x12f/0xa40 [12563.748491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12563.748491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12563.748491][ T7704] netlink_rcv_skb+0x130/0x360 [12563.748491][ T7704] netlink_unicast+0x449/0x710 [12563.748491][ T7704] netlink_sendmsg+0x723/0xbe0 [12563.748491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12563.748491][ T7704] ___sys_sendmsg+0xee/0x170 [12563.748491][ T7704] __sys_sendmsg+0xcd/0x170 [12563.748491][ T7704] do_syscall_64+0xc6/0x1e0 [12563.748491][ T7704] [12563.750705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12563.750705][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12563.750705][ T7704] ipv6_find_idev+0x102/0x170 [12563.750705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12563.750705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12563.750705][ T7704] netlink_rcv_skb+0x130/0x360 [12563.750705][ T7704] netlink_unicast+0x449/0x710 [12563.750705][ T7704] netlink_sendmsg+0x723/0xbe0 [12563.750705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12563.750705][ T7704] ___sys_sendmsg+0xee/0x170 [12563.750705][ T7704] __sys_sendmsg+0xcd/0x170 [12563.750705][ T7704] do_syscall_64+0xc6/0x1e0 [12563.750705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12563.750705][ T7704] [12563.752489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12563.752489][ T7704] neigh_parms_alloc+0x1e5/0x510 [12563.752489][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12563.752489][ T7704] ipv6_find_idev+0x102/0x170 [12563.752489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12563.752489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12563.752489][ T7704] netlink_rcv_skb+0x130/0x360 [12563.752489][ T7704] netlink_unicast+0x449/0x710 [12563.752489][ T7704] netlink_sendmsg+0x723/0xbe0 [12563.752489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12563.752489][ T7704] ___sys_sendmsg+0xee/0x170 [12563.752489][ T7704] __sys_sendmsg+0xcd/0x170 [12563.752489][ T7704] do_syscall_64+0xc6/0x1e0 [12563.752489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12563.752489][ T7704] [12573.990999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12573.991826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12573.991826][ T7704] netdev_get_by_index+0x5e/0x80 [12573.991826][ T7704] fib6_nh_init+0x3d8/0x15b0 [12573.991826][ T7704] ip6_route_info_create+0xf18/0x17d0 [12573.991826][ T7704] ip6_route_add+0x1c/0x140 [12573.991826][ T7704] addrconf_prefix_route+0x2a6/0x430 [12573.991826][ T7704] inet6_addr_add+0x4f8/0xa40 [12573.991826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12573.991826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12573.991826][ T7704] netlink_rcv_skb+0x130/0x360 [12573.991826][ T7704] netlink_unicast+0x449/0x710 [12573.991826][ T7704] netlink_sendmsg+0x723/0xbe0 [12573.991826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12573.991826][ T7704] ___sys_sendmsg+0xee/0x170 [12573.991826][ T7704] __sys_sendmsg+0xcd/0x170 [12573.991826][ T7704] do_syscall_64+0xc6/0x1e0 [12573.991826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12573.991826][ T7704] [12573.994622][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12573.994622][ T7704] netdev_get_by_index+0x5e/0x80 [12573.994622][ T7704] fib6_nh_init+0x3d8/0x15b0 [12573.994622][ T7704] ip6_route_info_create+0xf18/0x17d0 [12573.994622][ T7704] addrconf_f6i_alloc+0x315/0x560 [12573.994622][ T7704] ipv6_add_addr+0x411/0x2000 [12573.994622][ T7704] inet6_addr_add+0x30e/0xa40 [12573.994622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12573.994622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12573.994622][ T7704] netlink_rcv_skb+0x130/0x360 [12573.994622][ T7704] netlink_unicast+0x449/0x710 [12573.994622][ T7704] netlink_sendmsg+0x723/0xbe0 [12573.994622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12573.994622][ T7704] ___sys_sendmsg+0xee/0x170 [12573.994622][ T7704] __sys_sendmsg+0xcd/0x170 [12573.994622][ T7704] do_syscall_64+0xc6/0x1e0 [12573.994622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12573.994622][ T7704] [12573.996836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12573.996836][ T7704] netdev_get_by_index+0x5e/0x80 [12573.996836][ T7704] fib6_nh_init+0x3d8/0x15b0 [12573.996836][ T7704] ip6_route_info_create+0xf18/0x17d0 [12573.996836][ T7704] ip6_route_add+0x1c/0x140 [12573.996836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12573.996836][ T7704] addrconf_add_dev+0xe2/0x170 [12573.996836][ T7704] inet6_addr_add+0x12f/0xa40 [12573.996836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12573.996836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12573.996836][ T7704] netlink_rcv_skb+0x130/0x360 [12573.996836][ T7704] netlink_unicast+0x449/0x710 [12573.996836][ T7704] netlink_sendmsg+0x723/0xbe0 [12573.996836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12573.996836][ T7704] ___sys_sendmsg+0xee/0x170 [12573.996836][ T7704] __sys_sendmsg+0xcd/0x170 [12573.996836][ T7704] do_syscall_64+0xc6/0x1e0 [12573.996836][ T7704] [12573.999048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12573.999048][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12573.999048][ T7704] ipv6_find_idev+0x102/0x170 [12573.999048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12573.999048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12573.999048][ T7704] netlink_rcv_skb+0x130/0x360 [12573.999048][ T7704] netlink_unicast+0x449/0x710 [12573.999048][ T7704] netlink_sendmsg+0x723/0xbe0 [12573.999048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12573.999048][ T7704] ___sys_sendmsg+0xee/0x170 [12573.999048][ T7704] __sys_sendmsg+0xcd/0x170 [12573.999048][ T7704] do_syscall_64+0xc6/0x1e0 [12573.999048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12573.999048][ T7704] [12574.000757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12574.000757][ T7704] neigh_parms_alloc+0x1e5/0x510 [12574.000757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12574.000757][ T7704] ipv6_find_idev+0x102/0x170 [12574.000757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12574.000757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12574.000757][ T7704] netlink_rcv_skb+0x130/0x360 [12574.000757][ T7704] netlink_unicast+0x449/0x710 [12574.000757][ T7704] netlink_sendmsg+0x723/0xbe0 [12574.000757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12574.000757][ T7704] ___sys_sendmsg+0xee/0x170 [12574.000757][ T7704] __sys_sendmsg+0xcd/0x170 [12574.000757][ T7704] do_syscall_64+0xc6/0x1e0 [12574.000757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12574.000757][ T7704] [12584.239031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12584.239760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12584.239760][ T7704] netdev_get_by_index+0x5e/0x80 [12584.239760][ T7704] fib6_nh_init+0x3d8/0x15b0 [12584.239760][ T7704] ip6_route_info_create+0xf18/0x17d0 [12584.239760][ T7704] ip6_route_add+0x1c/0x140 [12584.239760][ T7704] addrconf_prefix_route+0x2a6/0x430 [12584.239760][ T7704] inet6_addr_add+0x4f8/0xa40 [12584.239760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12584.239760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12584.239760][ T7704] netlink_rcv_skb+0x130/0x360 [12584.239760][ T7704] netlink_unicast+0x449/0x710 [12584.239760][ T7704] netlink_sendmsg+0x723/0xbe0 [12584.239760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12584.239760][ T7704] ___sys_sendmsg+0xee/0x170 [12584.239760][ T7704] __sys_sendmsg+0xcd/0x170 [12584.239760][ T7704] do_syscall_64+0xc6/0x1e0 [12584.239760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12584.239760][ T7704] [12584.242020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12584.242020][ T7704] netdev_get_by_index+0x5e/0x80 [12584.242020][ T7704] fib6_nh_init+0x3d8/0x15b0 [12584.242020][ T7704] ip6_route_info_create+0xf18/0x17d0 [12584.242020][ T7704] addrconf_f6i_alloc+0x315/0x560 [12584.242020][ T7704] ipv6_add_addr+0x411/0x2000 [12584.242020][ T7704] inet6_addr_add+0x30e/0xa40 [12584.242020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12584.242020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12584.242020][ T7704] netlink_rcv_skb+0x130/0x360 [12584.242020][ T7704] netlink_unicast+0x449/0x710 [12584.242020][ T7704] netlink_sendmsg+0x723/0xbe0 [12584.242020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12584.242020][ T7704] ___sys_sendmsg+0xee/0x170 [12584.242020][ T7704] __sys_sendmsg+0xcd/0x170 [12584.242020][ T7704] do_syscall_64+0xc6/0x1e0 [12584.242020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12584.242020][ T7704] [12584.244285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12584.244285][ T7704] netdev_get_by_index+0x5e/0x80 [12584.244285][ T7704] fib6_nh_init+0x3d8/0x15b0 [12584.244285][ T7704] ip6_route_info_create+0xf18/0x17d0 [12584.244285][ T7704] ip6_route_add+0x1c/0x140 [12584.244285][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12584.244285][ T7704] addrconf_add_dev+0xe2/0x170 [12584.244285][ T7704] inet6_addr_add+0x12f/0xa40 [12584.244285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12584.244285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12584.244285][ T7704] netlink_rcv_skb+0x130/0x360 [12584.244285][ T7704] netlink_unicast+0x449/0x710 [12584.244285][ T7704] netlink_sendmsg+0x723/0xbe0 [12584.244285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12584.244285][ T7704] ___sys_sendmsg+0xee/0x170 [12584.244285][ T7704] __sys_sendmsg+0xcd/0x170 [12584.244285][ T7704] do_syscall_64+0xc6/0x1e0 [12584.244285][ T7704] [12584.246508][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12584.246508][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12584.246508][ T7704] ipv6_find_idev+0x102/0x170 [12584.246508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12584.246508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12584.246508][ T7704] netlink_rcv_skb+0x130/0x360 [12584.246508][ T7704] netlink_unicast+0x449/0x710 [12584.246508][ T7704] netlink_sendmsg+0x723/0xbe0 [12584.246508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12584.246508][ T7704] ___sys_sendmsg+0xee/0x170 [12584.246508][ T7704] __sys_sendmsg+0xcd/0x170 [12584.246508][ T7704] do_syscall_64+0xc6/0x1e0 [12584.246508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12584.246508][ T7704] [12584.248516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12584.248516][ T7704] neigh_parms_alloc+0x1e5/0x510 [12584.248516][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12584.248516][ T7704] ipv6_find_idev+0x102/0x170 [12584.248516][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12584.248516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12584.248516][ T7704] netlink_rcv_skb+0x130/0x360 [12584.248516][ T7704] netlink_unicast+0x449/0x710 [12584.248516][ T7704] netlink_sendmsg+0x723/0xbe0 [12584.248516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12584.248516][ T7704] ___sys_sendmsg+0xee/0x170 [12584.248516][ T7704] __sys_sendmsg+0xcd/0x170 [12584.248516][ T7704] do_syscall_64+0xc6/0x1e0 [12584.248516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12584.248516][ T7704] [12594.422931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12594.423375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12594.423375][ T7704] netdev_get_by_index+0x5e/0x80 [12594.423375][ T7704] fib6_nh_init+0x3d8/0x15b0 [12594.423375][ T7704] ip6_route_info_create+0xf18/0x17d0 [12594.423375][ T7704] ip6_route_add+0x1c/0x140 [12594.423375][ T7704] addrconf_prefix_route+0x2a6/0x430 [12594.423375][ T7704] inet6_addr_add+0x4f8/0xa40 [12594.423375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12594.423375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12594.423375][ T7704] netlink_rcv_skb+0x130/0x360 [12594.423375][ T7704] netlink_unicast+0x449/0x710 [12594.423375][ T7704] netlink_sendmsg+0x723/0xbe0 [12594.423375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12594.423375][ T7704] ___sys_sendmsg+0xee/0x170 [12594.423375][ T7704] __sys_sendmsg+0xcd/0x170 [12594.423375][ T7704] do_syscall_64+0xc6/0x1e0 [12594.423375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12594.423375][ T7704] [12594.425645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12594.425645][ T7704] netdev_get_by_index+0x5e/0x80 [12594.425645][ T7704] fib6_nh_init+0x3d8/0x15b0 [12594.425645][ T7704] ip6_route_info_create+0xf18/0x17d0 [12594.425645][ T7704] addrconf_f6i_alloc+0x315/0x560 [12594.425645][ T7704] ipv6_add_addr+0x411/0x2000 [12594.425645][ T7704] inet6_addr_add+0x30e/0xa40 [12594.425645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12594.425645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12594.425645][ T7704] netlink_rcv_skb+0x130/0x360 [12594.425645][ T7704] netlink_unicast+0x449/0x710 [12594.425645][ T7704] netlink_sendmsg+0x723/0xbe0 [12594.425645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12594.425645][ T7704] ___sys_sendmsg+0xee/0x170 [12594.425645][ T7704] __sys_sendmsg+0xcd/0x170 [12594.425645][ T7704] do_syscall_64+0xc6/0x1e0 [12594.425645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12594.425645][ T7704] [12594.428415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12594.428415][ T7704] netdev_get_by_index+0x5e/0x80 [12594.428415][ T7704] fib6_nh_init+0x3d8/0x15b0 [12594.428415][ T7704] ip6_route_info_create+0xf18/0x17d0 [12594.428415][ T7704] ip6_route_add+0x1c/0x140 [12594.428415][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12594.428415][ T7704] addrconf_add_dev+0xe2/0x170 [12594.428415][ T7704] inet6_addr_add+0x12f/0xa40 [12594.428415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12594.428415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12594.428415][ T7704] netlink_rcv_skb+0x130/0x360 [12594.428415][ T7704] netlink_unicast+0x449/0x710 [12594.428415][ T7704] netlink_sendmsg+0x723/0xbe0 [12594.428415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12594.428415][ T7704] ___sys_sendmsg+0xee/0x170 [12594.428415][ T7704] __sys_sendmsg+0xcd/0x170 [12594.428415][ T7704] do_syscall_64+0xc6/0x1e0 [12594.428415][ T7704] [12594.430644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12594.430644][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12594.430644][ T7704] ipv6_find_idev+0x102/0x170 [12594.430644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12594.430644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12594.430644][ T7704] netlink_rcv_skb+0x130/0x360 [12594.430644][ T7704] netlink_unicast+0x449/0x710 [12594.430644][ T7704] netlink_sendmsg+0x723/0xbe0 [12594.430644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12594.430644][ T7704] ___sys_sendmsg+0xee/0x170 [12594.430644][ T7704] __sys_sendmsg+0xcd/0x170 [12594.430644][ T7704] do_syscall_64+0xc6/0x1e0 [12594.430644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12594.430644][ T7704] [12594.432366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12594.432366][ T7704] neigh_parms_alloc+0x1e5/0x510 [12594.432366][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12594.432366][ T7704] ipv6_find_idev+0x102/0x170 [12594.432366][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12594.432366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12594.432366][ T7704] netlink_rcv_skb+0x130/0x360 [12594.432366][ T7704] netlink_unicast+0x449/0x710 [12594.432366][ T7704] netlink_sendmsg+0x723/0xbe0 [12594.432366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12594.432366][ T7704] ___sys_sendmsg+0xee/0x170 [12594.432366][ T7704] __sys_sendmsg+0xcd/0x170 [12594.432366][ T7704] do_syscall_64+0xc6/0x1e0 [12594.432366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12594.432366][ T7704] [12604.686936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12604.687454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12604.687454][ T7704] netdev_get_by_index+0x5e/0x80 [12604.687454][ T7704] fib6_nh_init+0x3d8/0x15b0 [12604.687454][ T7704] ip6_route_info_create+0xf18/0x17d0 [12604.687454][ T7704] ip6_route_add+0x1c/0x140 [12604.687454][ T7704] addrconf_prefix_route+0x2a6/0x430 [12604.687454][ T7704] inet6_addr_add+0x4f8/0xa40 [12604.687454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12604.687454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12604.687454][ T7704] netlink_rcv_skb+0x130/0x360 [12604.687454][ T7704] netlink_unicast+0x449/0x710 [12604.687454][ T7704] netlink_sendmsg+0x723/0xbe0 [12604.687454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12604.687454][ T7704] ___sys_sendmsg+0xee/0x170 [12604.687454][ T7704] __sys_sendmsg+0xcd/0x170 [12604.687454][ T7704] do_syscall_64+0xc6/0x1e0 [12604.687454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12604.687454][ T7704] [12604.689738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12604.689738][ T7704] netdev_get_by_index+0x5e/0x80 [12604.689738][ T7704] fib6_nh_init+0x3d8/0x15b0 [12604.689738][ T7704] ip6_route_info_create+0xf18/0x17d0 [12604.689738][ T7704] addrconf_f6i_alloc+0x315/0x560 [12604.689738][ T7704] ipv6_add_addr+0x411/0x2000 [12604.689738][ T7704] inet6_addr_add+0x30e/0xa40 [12604.689738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12604.689738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12604.689738][ T7704] netlink_rcv_skb+0x130/0x360 [12604.689738][ T7704] netlink_unicast+0x449/0x710 [12604.689738][ T7704] netlink_sendmsg+0x723/0xbe0 [12604.689738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12604.689738][ T7704] ___sys_sendmsg+0xee/0x170 [12604.689738][ T7704] __sys_sendmsg+0xcd/0x170 [12604.689738][ T7704] do_syscall_64+0xc6/0x1e0 [12604.689738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12604.689738][ T7704] [12604.691994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12604.691994][ T7704] netdev_get_by_index+0x5e/0x80 [12604.691994][ T7704] fib6_nh_init+0x3d8/0x15b0 [12604.691994][ T7704] ip6_route_info_create+0xf18/0x17d0 [12604.691994][ T7704] ip6_route_add+0x1c/0x140 [12604.691994][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12604.691994][ T7704] addrconf_add_dev+0xe2/0x170 [12604.691994][ T7704] inet6_addr_add+0x12f/0xa40 [12604.691994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12604.691994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12604.691994][ T7704] netlink_rcv_skb+0x130/0x360 [12604.691994][ T7704] netlink_unicast+0x449/0x710 [12604.691994][ T7704] netlink_sendmsg+0x723/0xbe0 [12604.691994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12604.691994][ T7704] ___sys_sendmsg+0xee/0x170 [12604.691994][ T7704] __sys_sendmsg+0xcd/0x170 [12604.691994][ T7704] do_syscall_64+0xc6/0x1e0 [12604.691994][ T7704] [12604.694378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12604.694378][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12604.694378][ T7704] ipv6_find_idev+0x102/0x170 [12604.694378][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12604.694378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12604.694378][ T7704] netlink_rcv_skb+0x130/0x360 [12604.694378][ T7704] netlink_unicast+0x449/0x710 [12604.694378][ T7704] netlink_sendmsg+0x723/0xbe0 [12604.694378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12604.694378][ T7704] ___sys_sendmsg+0xee/0x170 [12604.694378][ T7704] __sys_sendmsg+0xcd/0x170 [12604.694378][ T7704] do_syscall_64+0xc6/0x1e0 [12604.694378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12604.694378][ T7704] [12604.696156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12604.696156][ T7704] neigh_parms_alloc+0x1e5/0x510 [12604.696156][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12604.696156][ T7704] ipv6_find_idev+0x102/0x170 [12604.696156][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12604.696156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12604.696156][ T7704] netlink_rcv_skb+0x130/0x360 [12604.696156][ T7704] netlink_unicast+0x449/0x710 [12604.696156][ T7704] netlink_sendmsg+0x723/0xbe0 [12604.696156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12604.696156][ T7704] ___sys_sendmsg+0xee/0x170 [12604.696156][ T7704] __sys_sendmsg+0xcd/0x170 [12604.696156][ T7704] do_syscall_64+0xc6/0x1e0 [12604.696156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12604.696156][ T7704] [12614.887004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12614.887795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12614.887795][ T7704] netdev_get_by_index+0x5e/0x80 [12614.887795][ T7704] fib6_nh_init+0x3d8/0x15b0 [12614.887795][ T7704] ip6_route_info_create+0xf18/0x17d0 [12614.887795][ T7704] ip6_route_add+0x1c/0x140 [12614.887795][ T7704] addrconf_prefix_route+0x2a6/0x430 [12614.887795][ T7704] inet6_addr_add+0x4f8/0xa40 [12614.887795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12614.887795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12614.887795][ T7704] netlink_rcv_skb+0x130/0x360 [12614.887795][ T7704] netlink_unicast+0x449/0x710 [12614.887795][ T7704] netlink_sendmsg+0x723/0xbe0 [12614.887795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12614.887795][ T7704] ___sys_sendmsg+0xee/0x170 [12614.887795][ T7704] __sys_sendmsg+0xcd/0x170 [12614.887795][ T7704] do_syscall_64+0xc6/0x1e0 [12614.887795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12614.887795][ T7704] [12614.890137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12614.890137][ T7704] netdev_get_by_index+0x5e/0x80 [12614.890137][ T7704] fib6_nh_init+0x3d8/0x15b0 [12614.890137][ T7704] ip6_route_info_create+0xf18/0x17d0 [12614.890137][ T7704] addrconf_f6i_alloc+0x315/0x560 [12614.890137][ T7704] ipv6_add_addr+0x411/0x2000 [12614.890137][ T7704] inet6_addr_add+0x30e/0xa40 [12614.890137][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12614.890137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12614.890137][ T7704] netlink_rcv_skb+0x130/0x360 [12614.890137][ T7704] netlink_unicast+0x449/0x710 [12614.890137][ T7704] netlink_sendmsg+0x723/0xbe0 [12614.890137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12614.890137][ T7704] ___sys_sendmsg+0xee/0x170 [12614.890137][ T7704] __sys_sendmsg+0xcd/0x170 [12614.890137][ T7704] do_syscall_64+0xc6/0x1e0 [12614.890137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12614.890137][ T7704] [12614.892388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12614.892388][ T7704] netdev_get_by_index+0x5e/0x80 [12614.892388][ T7704] fib6_nh_init+0x3d8/0x15b0 [12614.892388][ T7704] ip6_route_info_create+0xf18/0x17d0 [12614.892388][ T7704] ip6_route_add+0x1c/0x140 [12614.892388][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12614.892388][ T7704] addrconf_add_dev+0xe2/0x170 [12614.892388][ T7704] inet6_addr_add+0x12f/0xa40 [12614.892388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12614.892388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12614.892388][ T7704] netlink_rcv_skb+0x130/0x360 [12614.892388][ T7704] netlink_unicast+0x449/0x710 [12614.892388][ T7704] netlink_sendmsg+0x723/0xbe0 [12614.892388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12614.892388][ T7704] ___sys_sendmsg+0xee/0x170 [12614.892388][ T7704] __sys_sendmsg+0xcd/0x170 [12614.892388][ T7704] do_syscall_64+0xc6/0x1e0 [12614.892388][ T7704] [12614.894626][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12614.894626][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12614.894626][ T7704] ipv6_find_idev+0x102/0x170 [12614.894626][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12614.894626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12614.894626][ T7704] netlink_rcv_skb+0x130/0x360 [12614.894626][ T7704] netlink_unicast+0x449/0x710 [12614.894626][ T7704] netlink_sendmsg+0x723/0xbe0 [12614.894626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12614.894626][ T7704] ___sys_sendmsg+0xee/0x170 [12614.894626][ T7704] __sys_sendmsg+0xcd/0x170 [12614.894626][ T7704] do_syscall_64+0xc6/0x1e0 [12614.894626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12614.894626][ T7704] [12614.896352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12614.896352][ T7704] neigh_parms_alloc+0x1e5/0x510 [12614.896352][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12614.896352][ T7704] ipv6_find_idev+0x102/0x170 [12614.896352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12614.896352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12614.896352][ T7704] netlink_rcv_skb+0x130/0x360 [12614.896352][ T7704] netlink_unicast+0x449/0x710 [12614.896352][ T7704] netlink_sendmsg+0x723/0xbe0 [12614.896352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12614.896352][ T7704] ___sys_sendmsg+0xee/0x170 [12614.896352][ T7704] __sys_sendmsg+0xcd/0x170 [12614.896352][ T7704] do_syscall_64+0xc6/0x1e0 [12614.896352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12614.896352][ T7704] [12625.134957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12625.135475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12625.135475][ T7704] netdev_get_by_index+0x5e/0x80 [12625.135475][ T7704] fib6_nh_init+0x3d8/0x15b0 [12625.135475][ T7704] ip6_route_info_create+0xf18/0x17d0 [12625.135475][ T7704] ip6_route_add+0x1c/0x140 [12625.135475][ T7704] addrconf_prefix_route+0x2a6/0x430 [12625.135475][ T7704] inet6_addr_add+0x4f8/0xa40 [12625.135475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12625.135475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12625.135475][ T7704] netlink_rcv_skb+0x130/0x360 [12625.135475][ T7704] netlink_unicast+0x449/0x710 [12625.135475][ T7704] netlink_sendmsg+0x723/0xbe0 [12625.135475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12625.135475][ T7704] ___sys_sendmsg+0xee/0x170 [12625.135475][ T7704] __sys_sendmsg+0xcd/0x170 [12625.135475][ T7704] do_syscall_64+0xc6/0x1e0 [12625.135475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12625.135475][ T7704] [12625.137757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12625.137757][ T7704] netdev_get_by_index+0x5e/0x80 [12625.137757][ T7704] fib6_nh_init+0x3d8/0x15b0 [12625.137757][ T7704] ip6_route_info_create+0xf18/0x17d0 [12625.137757][ T7704] addrconf_f6i_alloc+0x315/0x560 [12625.137757][ T7704] ipv6_add_addr+0x411/0x2000 [12625.137757][ T7704] inet6_addr_add+0x30e/0xa40 [12625.137757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12625.137757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12625.137757][ T7704] netlink_rcv_skb+0x130/0x360 [12625.137757][ T7704] netlink_unicast+0x449/0x710 [12625.137757][ T7704] netlink_sendmsg+0x723/0xbe0 [12625.137757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12625.137757][ T7704] ___sys_sendmsg+0xee/0x170 [12625.137757][ T7704] __sys_sendmsg+0xcd/0x170 [12625.137757][ T7704] do_syscall_64+0xc6/0x1e0 [12625.137757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12625.137757][ T7704] [12625.140012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12625.140012][ T7704] netdev_get_by_index+0x5e/0x80 [12625.140012][ T7704] fib6_nh_init+0x3d8/0x15b0 [12625.140012][ T7704] ip6_route_info_create+0xf18/0x17d0 [12625.140012][ T7704] ip6_route_add+0x1c/0x140 [12625.140012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12625.140012][ T7704] addrconf_add_dev+0xe2/0x170 [12625.140012][ T7704] inet6_addr_add+0x12f/0xa40 [12625.140012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12625.140012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12625.140012][ T7704] netlink_rcv_skb+0x130/0x360 [12625.140012][ T7704] netlink_unicast+0x449/0x710 [12625.140012][ T7704] netlink_sendmsg+0x723/0xbe0 [12625.140012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12625.140012][ T7704] ___sys_sendmsg+0xee/0x170 [12625.140012][ T7704] __sys_sendmsg+0xcd/0x170 [12625.140012][ T7704] do_syscall_64+0xc6/0x1e0 [12625.140012][ T7704] [12625.142210][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12625.142210][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12625.142210][ T7704] ipv6_find_idev+0x102/0x170 [12625.142210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12625.142210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12625.142210][ T7704] netlink_rcv_skb+0x130/0x360 [12625.142210][ T7704] netlink_unicast+0x449/0x710 [12625.142210][ T7704] netlink_sendmsg+0x723/0xbe0 [12625.142210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12625.142210][ T7704] ___sys_sendmsg+0xee/0x170 [12625.142210][ T7704] __sys_sendmsg+0xcd/0x170 [12625.142210][ T7704] do_syscall_64+0xc6/0x1e0 [12625.142210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12625.142210][ T7704] [12625.143925][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12625.143925][ T7704] neigh_parms_alloc+0x1e5/0x510 [12625.143925][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12625.143925][ T7704] ipv6_find_idev+0x102/0x170 [12625.143925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12625.143925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12625.143925][ T7704] netlink_rcv_skb+0x130/0x360 [12625.143925][ T7704] netlink_unicast+0x449/0x710 [12625.143925][ T7704] netlink_sendmsg+0x723/0xbe0 [12625.143925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12625.143925][ T7704] ___sys_sendmsg+0xee/0x170 [12625.143925][ T7704] __sys_sendmsg+0xcd/0x170 [12625.143925][ T7704] do_syscall_64+0xc6/0x1e0 [12625.143925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12625.143925][ T7704] [12635.382933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12635.383471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12635.383471][ T7704] netdev_get_by_index+0x5e/0x80 [12635.383471][ T7704] fib6_nh_init+0x3d8/0x15b0 [12635.383471][ T7704] ip6_route_info_create+0xf18/0x17d0 [12635.383471][ T7704] ip6_route_add+0x1c/0x140 [12635.383471][ T7704] addrconf_prefix_route+0x2a6/0x430 [12635.383471][ T7704] inet6_addr_add+0x4f8/0xa40 [12635.383471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12635.383471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12635.383471][ T7704] netlink_rcv_skb+0x130/0x360 [12635.383471][ T7704] netlink_unicast+0x449/0x710 [12635.383471][ T7704] netlink_sendmsg+0x723/0xbe0 [12635.383471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12635.383471][ T7704] ___sys_sendmsg+0xee/0x170 [12635.383471][ T7704] __sys_sendmsg+0xcd/0x170 [12635.383471][ T7704] do_syscall_64+0xc6/0x1e0 [12635.383471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12635.383471][ T7704] [12635.385770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12635.385770][ T7704] netdev_get_by_index+0x5e/0x80 [12635.385770][ T7704] fib6_nh_init+0x3d8/0x15b0 [12635.385770][ T7704] ip6_route_info_create+0xf18/0x17d0 [12635.385770][ T7704] addrconf_f6i_alloc+0x315/0x560 [12635.385770][ T7704] ipv6_add_addr+0x411/0x2000 [12635.385770][ T7704] inet6_addr_add+0x30e/0xa40 [12635.385770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12635.385770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12635.385770][ T7704] netlink_rcv_skb+0x130/0x360 [12635.385770][ T7704] netlink_unicast+0x449/0x710 [12635.385770][ T7704] netlink_sendmsg+0x723/0xbe0 [12635.385770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12635.385770][ T7704] ___sys_sendmsg+0xee/0x170 [12635.385770][ T7704] __sys_sendmsg+0xcd/0x170 [12635.385770][ T7704] do_syscall_64+0xc6/0x1e0 [12635.385770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12635.385770][ T7704] [12635.388027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12635.388027][ T7704] netdev_get_by_index+0x5e/0x80 [12635.388027][ T7704] fib6_nh_init+0x3d8/0x15b0 [12635.388027][ T7704] ip6_route_info_create+0xf18/0x17d0 [12635.388027][ T7704] ip6_route_add+0x1c/0x140 [12635.388027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12635.388027][ T7704] addrconf_add_dev+0xe2/0x170 [12635.388027][ T7704] inet6_addr_add+0x12f/0xa40 [12635.388027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12635.388027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12635.388027][ T7704] netlink_rcv_skb+0x130/0x360 [12635.388027][ T7704] netlink_unicast+0x449/0x710 [12635.388027][ T7704] netlink_sendmsg+0x723/0xbe0 [12635.388027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12635.388027][ T7704] ___sys_sendmsg+0xee/0x170 [12635.388027][ T7704] __sys_sendmsg+0xcd/0x170 [12635.388027][ T7704] do_syscall_64+0xc6/0x1e0 [12635.388027][ T7704] [12635.390209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12635.390209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12635.390209][ T7704] ipv6_find_idev+0x102/0x170 [12635.390209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12635.390209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12635.390209][ T7704] netlink_rcv_skb+0x130/0x360 [12635.390209][ T7704] netlink_unicast+0x449/0x710 [12635.390209][ T7704] netlink_sendmsg+0x723/0xbe0 [12635.390209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12635.390209][ T7704] ___sys_sendmsg+0xee/0x170 [12635.390209][ T7704] __sys_sendmsg+0xcd/0x170 [12635.390209][ T7704] do_syscall_64+0xc6/0x1e0 [12635.390209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12635.390209][ T7704] [12635.391948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12635.391948][ T7704] neigh_parms_alloc+0x1e5/0x510 [12635.391948][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12635.391948][ T7704] ipv6_find_idev+0x102/0x170 [12635.391948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12635.391948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12635.391948][ T7704] netlink_rcv_skb+0x130/0x360 [12635.391948][ T7704] netlink_unicast+0x449/0x710 [12635.391948][ T7704] netlink_sendmsg+0x723/0xbe0 [12635.391948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12635.391948][ T7704] ___sys_sendmsg+0xee/0x170 [12635.391948][ T7704] __sys_sendmsg+0xcd/0x170 [12635.391948][ T7704] do_syscall_64+0xc6/0x1e0 [12635.391948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12635.391948][ T7704] [12645.631053][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12645.632042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12645.632042][ T7704] netdev_get_by_index+0x5e/0x80 [12645.632042][ T7704] fib6_nh_init+0x3d8/0x15b0 [12645.632042][ T7704] ip6_route_info_create+0xf18/0x17d0 [12645.632042][ T7704] ip6_route_add+0x1c/0x140 [12645.632042][ T7704] addrconf_prefix_route+0x2a6/0x430 [12645.632042][ T7704] inet6_addr_add+0x4f8/0xa40 [12645.632042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12645.632042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12645.632042][ T7704] netlink_rcv_skb+0x130/0x360 [12645.632042][ T7704] netlink_unicast+0x449/0x710 [12645.632042][ T7704] netlink_sendmsg+0x723/0xbe0 [12645.632042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12645.632042][ T7704] ___sys_sendmsg+0xee/0x170 [12645.632042][ T7704] __sys_sendmsg+0xcd/0x170 [12645.632042][ T7704] do_syscall_64+0xc6/0x1e0 [12645.632042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12645.632042][ T7704] [12645.634327][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12645.634327][ T7704] netdev_get_by_index+0x5e/0x80 [12645.634327][ T7704] fib6_nh_init+0x3d8/0x15b0 [12645.634327][ T7704] ip6_route_info_create+0xf18/0x17d0 [12645.634327][ T7704] addrconf_f6i_alloc+0x315/0x560 [12645.634327][ T7704] ipv6_add_addr+0x411/0x2000 [12645.634327][ T7704] inet6_addr_add+0x30e/0xa40 [12645.634327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12645.634327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12645.634327][ T7704] netlink_rcv_skb+0x130/0x360 [12645.634327][ T7704] netlink_unicast+0x449/0x710 [12645.634327][ T7704] netlink_sendmsg+0x723/0xbe0 [12645.634327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12645.634327][ T7704] ___sys_sendmsg+0xee/0x170 [12645.634327][ T7704] __sys_sendmsg+0xcd/0x170 [12645.634327][ T7704] do_syscall_64+0xc6/0x1e0 [12645.634327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12645.634327][ T7704] [12645.636586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12645.636586][ T7704] netdev_get_by_index+0x5e/0x80 [12645.636586][ T7704] fib6_nh_init+0x3d8/0x15b0 [12645.636586][ T7704] ip6_route_info_create+0xf18/0x17d0 [12645.636586][ T7704] ip6_route_add+0x1c/0x140 [12645.636586][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12645.636586][ T7704] addrconf_add_dev+0xe2/0x170 [12645.636586][ T7704] inet6_addr_add+0x12f/0xa40 [12645.636586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12645.636586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12645.636586][ T7704] netlink_rcv_skb+0x130/0x360 [12645.636586][ T7704] netlink_unicast+0x449/0x710 [12645.636586][ T7704] netlink_sendmsg+0x723/0xbe0 [12645.636586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12645.636586][ T7704] ___sys_sendmsg+0xee/0x170 [12645.636586][ T7704] __sys_sendmsg+0xcd/0x170 [12645.636586][ T7704] do_syscall_64+0xc6/0x1e0 [12645.636586][ T7704] [12645.638823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12645.638823][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12645.638823][ T7704] ipv6_find_idev+0x102/0x170 [12645.638823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12645.638823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12645.638823][ T7704] netlink_rcv_skb+0x130/0x360 [12645.638823][ T7704] netlink_unicast+0x449/0x710 [12645.638823][ T7704] netlink_sendmsg+0x723/0xbe0 [12645.638823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12645.638823][ T7704] ___sys_sendmsg+0xee/0x170 [12645.638823][ T7704] __sys_sendmsg+0xcd/0x170 [12645.638823][ T7704] do_syscall_64+0xc6/0x1e0 [12645.638823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12645.638823][ T7704] [12645.640601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12645.640601][ T7704] neigh_parms_alloc+0x1e5/0x510 [12645.640601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12645.640601][ T7704] ipv6_find_idev+0x102/0x170 [12645.640601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12645.640601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12645.640601][ T7704] netlink_rcv_skb+0x130/0x360 [12645.640601][ T7704] netlink_unicast+0x449/0x710 [12645.640601][ T7704] netlink_sendmsg+0x723/0xbe0 [12645.640601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12645.640601][ T7704] ___sys_sendmsg+0xee/0x170 [12645.640601][ T7704] __sys_sendmsg+0xcd/0x170 [12645.640601][ T7704] do_syscall_64+0xc6/0x1e0 [12645.640601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12645.640601][ T7704] [12656.335139][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12656.336087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12656.336087][ T7704] netdev_get_by_index+0x5e/0x80 [12656.336087][ T7704] fib6_nh_init+0x3d8/0x15b0 [12656.336087][ T7704] ip6_route_info_create+0xf18/0x17d0 [12656.336087][ T7704] ip6_route_add+0x1c/0x140 [12656.336087][ T7704] addrconf_prefix_route+0x2a6/0x430 [12656.336087][ T7704] inet6_addr_add+0x4f8/0xa40 [12656.336087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12656.336087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12656.336087][ T7704] netlink_rcv_skb+0x130/0x360 [12656.336087][ T7704] netlink_unicast+0x449/0x710 [12656.336087][ T7704] netlink_sendmsg+0x723/0xbe0 [12656.336087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12656.336087][ T7704] ___sys_sendmsg+0xee/0x170 [12656.336087][ T7704] __sys_sendmsg+0xcd/0x170 [12656.336087][ T7704] do_syscall_64+0xc6/0x1e0 [12656.336087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12656.336087][ T7704] [12656.338408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12656.338408][ T7704] netdev_get_by_index+0x5e/0x80 [12656.338408][ T7704] fib6_nh_init+0x3d8/0x15b0 [12656.338408][ T7704] ip6_route_info_create+0xf18/0x17d0 [12656.338408][ T7704] addrconf_f6i_alloc+0x315/0x560 [12656.338408][ T7704] ipv6_add_addr+0x411/0x2000 [12656.338408][ T7704] inet6_addr_add+0x30e/0xa40 [12656.338408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12656.338408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12656.338408][ T7704] netlink_rcv_skb+0x130/0x360 [12656.338408][ T7704] netlink_unicast+0x449/0x710 [12656.338408][ T7704] netlink_sendmsg+0x723/0xbe0 [12656.338408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12656.338408][ T7704] ___sys_sendmsg+0xee/0x170 [12656.338408][ T7704] __sys_sendmsg+0xcd/0x170 [12656.338408][ T7704] do_syscall_64+0xc6/0x1e0 [12656.338408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12656.338408][ T7704] [12656.340726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12656.340726][ T7704] netdev_get_by_index+0x5e/0x80 [12656.340726][ T7704] fib6_nh_init+0x3d8/0x15b0 [12656.340726][ T7704] ip6_route_info_create+0xf18/0x17d0 [12656.340726][ T7704] ip6_route_add+0x1c/0x140 [12656.340726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12656.340726][ T7704] addrconf_add_dev+0xe2/0x170 [12656.340726][ T7704] inet6_addr_add+0x12f/0xa40 [12656.340726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12656.340726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12656.340726][ T7704] netlink_rcv_skb+0x130/0x360 [12656.340726][ T7704] netlink_unicast+0x449/0x710 [12656.340726][ T7704] netlink_sendmsg+0x723/0xbe0 [12656.340726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12656.340726][ T7704] ___sys_sendmsg+0xee/0x170 [12656.340726][ T7704] __sys_sendmsg+0xcd/0x170 [12656.340726][ T7704] do_syscall_64+0xc6/0x1e0 [12656.340726][ T7704] [12656.342919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12656.342919][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12656.342919][ T7704] ipv6_find_idev+0x102/0x170 [12656.342919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12656.342919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12656.342919][ T7704] netlink_rcv_skb+0x130/0x360 [12656.342919][ T7704] netlink_unicast+0x449/0x710 [12656.342919][ T7704] netlink_sendmsg+0x723/0xbe0 [12656.342919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12656.342919][ T7704] ___sys_sendmsg+0xee/0x170 [12656.342919][ T7704] __sys_sendmsg+0xcd/0x170 [12656.342919][ T7704] do_syscall_64+0xc6/0x1e0 [12656.342919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12656.342919][ T7704] [12656.344648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12656.344648][ T7704] neigh_parms_alloc+0x1e5/0x510 [12656.344648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12656.344648][ T7704] ipv6_find_idev+0x102/0x170 [12656.344648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12656.344648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12656.344648][ T7704] netlink_rcv_skb+0x130/0x360 [12656.344648][ T7704] netlink_unicast+0x449/0x710 [12656.344648][ T7704] netlink_sendmsg+0x723/0xbe0 [12656.344648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12656.344648][ T7704] ___sys_sendmsg+0xee/0x170 [12656.344648][ T7704] __sys_sendmsg+0xcd/0x170 [12656.344648][ T7704] do_syscall_64+0xc6/0x1e0 [12656.344648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12656.344648][ T7704] [12666.599000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12666.599547][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12666.599547][ T7704] netdev_get_by_index+0x5e/0x80 [12666.599547][ T7704] fib6_nh_init+0x3d8/0x15b0 [12666.599547][ T7704] ip6_route_info_create+0xf18/0x17d0 [12666.599547][ T7704] ip6_route_add+0x1c/0x140 [12666.599547][ T7704] addrconf_prefix_route+0x2a6/0x430 [12666.599547][ T7704] inet6_addr_add+0x4f8/0xa40 [12666.599547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12666.599547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12666.599547][ T7704] netlink_rcv_skb+0x130/0x360 [12666.599547][ T7704] netlink_unicast+0x449/0x710 [12666.599547][ T7704] netlink_sendmsg+0x723/0xbe0 [12666.599547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12666.599547][ T7704] ___sys_sendmsg+0xee/0x170 [12666.599547][ T7704] __sys_sendmsg+0xcd/0x170 [12666.599547][ T7704] do_syscall_64+0xc6/0x1e0 [12666.599547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12666.599547][ T7704] [12666.601867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12666.601867][ T7704] netdev_get_by_index+0x5e/0x80 [12666.601867][ T7704] fib6_nh_init+0x3d8/0x15b0 [12666.601867][ T7704] ip6_route_info_create+0xf18/0x17d0 [12666.601867][ T7704] addrconf_f6i_alloc+0x315/0x560 [12666.601867][ T7704] ipv6_add_addr+0x411/0x2000 [12666.601867][ T7704] inet6_addr_add+0x30e/0xa40 [12666.601867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12666.601867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12666.601867][ T7704] netlink_rcv_skb+0x130/0x360 [12666.601867][ T7704] netlink_unicast+0x449/0x710 [12666.601867][ T7704] netlink_sendmsg+0x723/0xbe0 [12666.601867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12666.601867][ T7704] ___sys_sendmsg+0xee/0x170 [12666.601867][ T7704] __sys_sendmsg+0xcd/0x170 [12666.601867][ T7704] do_syscall_64+0xc6/0x1e0 [12666.601867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12666.601867][ T7704] [12666.604130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12666.604130][ T7704] netdev_get_by_index+0x5e/0x80 [12666.604130][ T7704] fib6_nh_init+0x3d8/0x15b0 [12666.604130][ T7704] ip6_route_info_create+0xf18/0x17d0 [12666.604130][ T7704] ip6_route_add+0x1c/0x140 [12666.604130][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12666.604130][ T7704] addrconf_add_dev+0xe2/0x170 [12666.604130][ T7704] inet6_addr_add+0x12f/0xa40 [12666.604130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12666.604130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12666.604130][ T7704] netlink_rcv_skb+0x130/0x360 [12666.604130][ T7704] netlink_unicast+0x449/0x710 [12666.604130][ T7704] netlink_sendmsg+0x723/0xbe0 [12666.604130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12666.604130][ T7704] ___sys_sendmsg+0xee/0x170 [12666.604130][ T7704] __sys_sendmsg+0xcd/0x170 [12666.604130][ T7704] do_syscall_64+0xc6/0x1e0 [12666.604130][ T7704] [12666.606369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12666.606369][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12666.606369][ T7704] ipv6_find_idev+0x102/0x170 [12666.606369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12666.606369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12666.606369][ T7704] netlink_rcv_skb+0x130/0x360 [12666.606369][ T7704] netlink_unicast+0x449/0x710 [12666.606369][ T7704] netlink_sendmsg+0x723/0xbe0 [12666.606369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12666.606369][ T7704] ___sys_sendmsg+0xee/0x170 [12666.606369][ T7704] __sys_sendmsg+0xcd/0x170 [12666.606369][ T7704] do_syscall_64+0xc6/0x1e0 [12666.606369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12666.606369][ T7704] [12666.608118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12666.608118][ T7704] neigh_parms_alloc+0x1e5/0x510 [12666.608118][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12666.608118][ T7704] ipv6_find_idev+0x102/0x170 [12666.608118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12666.608118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12666.608118][ T7704] netlink_rcv_skb+0x130/0x360 [12666.608118][ T7704] netlink_unicast+0x449/0x710 [12666.608118][ T7704] netlink_sendmsg+0x723/0xbe0 [12666.608118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12666.608118][ T7704] ___sys_sendmsg+0xee/0x170 [12666.608118][ T7704] __sys_sendmsg+0xcd/0x170 [12666.608118][ T7704] do_syscall_64+0xc6/0x1e0 [12666.608118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12666.608118][ T7704] [12676.862959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12676.863485][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12676.863485][ T7704] netdev_get_by_index+0x5e/0x80 [12676.863485][ T7704] fib6_nh_init+0x3d8/0x15b0 [12676.863485][ T7704] ip6_route_info_create+0xf18/0x17d0 [12676.863485][ T7704] ip6_route_add+0x1c/0x140 [12676.863485][ T7704] addrconf_prefix_route+0x2a6/0x430 [12676.863485][ T7704] inet6_addr_add+0x4f8/0xa40 [12676.863485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12676.863485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12676.863485][ T7704] netlink_rcv_skb+0x130/0x360 [12676.863485][ T7704] netlink_unicast+0x449/0x710 [12676.863485][ T7704] netlink_sendmsg+0x723/0xbe0 [12676.863485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12676.863485][ T7704] ___sys_sendmsg+0xee/0x170 [12676.863485][ T7704] __sys_sendmsg+0xcd/0x170 [12676.863485][ T7704] do_syscall_64+0xc6/0x1e0 [12676.863485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12676.863485][ T7704] [12676.865787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12676.865787][ T7704] netdev_get_by_index+0x5e/0x80 [12676.865787][ T7704] fib6_nh_init+0x3d8/0x15b0 [12676.865787][ T7704] ip6_route_info_create+0xf18/0x17d0 [12676.865787][ T7704] addrconf_f6i_alloc+0x315/0x560 [12676.865787][ T7704] ipv6_add_addr+0x411/0x2000 [12676.865787][ T7704] inet6_addr_add+0x30e/0xa40 [12676.865787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12676.865787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12676.865787][ T7704] netlink_rcv_skb+0x130/0x360 [12676.865787][ T7704] netlink_unicast+0x449/0x710 [12676.865787][ T7704] netlink_sendmsg+0x723/0xbe0 [12676.865787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12676.865787][ T7704] ___sys_sendmsg+0xee/0x170 [12676.865787][ T7704] __sys_sendmsg+0xcd/0x170 [12676.865787][ T7704] do_syscall_64+0xc6/0x1e0 [12676.865787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12676.865787][ T7704] [12676.868024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12676.868024][ T7704] netdev_get_by_index+0x5e/0x80 [12676.868024][ T7704] fib6_nh_init+0x3d8/0x15b0 [12676.868024][ T7704] ip6_route_info_create+0xf18/0x17d0 [12676.868024][ T7704] ip6_route_add+0x1c/0x140 [12676.868024][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12676.868024][ T7704] addrconf_add_dev+0xe2/0x170 [12676.868024][ T7704] inet6_addr_add+0x12f/0xa40 [12676.868024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12676.868024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12676.868024][ T7704] netlink_rcv_skb+0x130/0x360 [12676.868024][ T7704] netlink_unicast+0x449/0x710 [12676.868024][ T7704] netlink_sendmsg+0x723/0xbe0 [12676.868024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12676.868024][ T7704] ___sys_sendmsg+0xee/0x170 [12676.868024][ T7704] __sys_sendmsg+0xcd/0x170 [12676.868024][ T7704] do_syscall_64+0xc6/0x1e0 [12676.868024][ T7704] [12676.870408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12676.870408][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12676.870408][ T7704] ipv6_find_idev+0x102/0x170 [12676.870408][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12676.870408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12676.870408][ T7704] netlink_rcv_skb+0x130/0x360 [12676.870408][ T7704] netlink_unicast+0x449/0x710 [12676.870408][ T7704] netlink_sendmsg+0x723/0xbe0 [12676.870408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12676.870408][ T7704] ___sys_sendmsg+0xee/0x170 [12676.870408][ T7704] __sys_sendmsg+0xcd/0x170 [12676.870408][ T7704] do_syscall_64+0xc6/0x1e0 [12676.870408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12676.870408][ T7704] [12676.872183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12676.872183][ T7704] neigh_parms_alloc+0x1e5/0x510 [12676.872183][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12676.872183][ T7704] ipv6_find_idev+0x102/0x170 [12676.872183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12676.872183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12676.872183][ T7704] netlink_rcv_skb+0x130/0x360 [12676.872183][ T7704] netlink_unicast+0x449/0x710 [12676.872183][ T7704] netlink_sendmsg+0x723/0xbe0 [12676.872183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12676.872183][ T7704] ___sys_sendmsg+0xee/0x170 [12676.872183][ T7704] __sys_sendmsg+0xcd/0x170 [12676.872183][ T7704] do_syscall_64+0xc6/0x1e0 [12676.872183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12676.872183][ T7704] [12687.095011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12687.095578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12687.095578][ T7704] netdev_get_by_index+0x5e/0x80 [12687.095578][ T7704] fib6_nh_init+0x3d8/0x15b0 [12687.095578][ T7704] ip6_route_info_create+0xf18/0x17d0 [12687.095578][ T7704] ip6_route_add+0x1c/0x140 [12687.095578][ T7704] addrconf_prefix_route+0x2a6/0x430 [12687.095578][ T7704] inet6_addr_add+0x4f8/0xa40 [12687.095578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12687.095578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12687.095578][ T7704] netlink_rcv_skb+0x130/0x360 [12687.095578][ T7704] netlink_unicast+0x449/0x710 [12687.095578][ T7704] netlink_sendmsg+0x723/0xbe0 [12687.095578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12687.095578][ T7704] ___sys_sendmsg+0xee/0x170 [12687.095578][ T7704] __sys_sendmsg+0xcd/0x170 [12687.095578][ T7704] do_syscall_64+0xc6/0x1e0 [12687.095578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12687.095578][ T7704] [12687.097840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12687.097840][ T7704] netdev_get_by_index+0x5e/0x80 [12687.097840][ T7704] fib6_nh_init+0x3d8/0x15b0 [12687.097840][ T7704] ip6_route_info_create+0xf18/0x17d0 [12687.097840][ T7704] addrconf_f6i_alloc+0x315/0x560 [12687.097840][ T7704] ipv6_add_addr+0x411/0x2000 [12687.097840][ T7704] inet6_addr_add+0x30e/0xa40 [12687.097840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12687.097840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12687.097840][ T7704] netlink_rcv_skb+0x130/0x360 [12687.097840][ T7704] netlink_unicast+0x449/0x710 [12687.097840][ T7704] netlink_sendmsg+0x723/0xbe0 [12687.097840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12687.097840][ T7704] ___sys_sendmsg+0xee/0x170 [12687.097840][ T7704] __sys_sendmsg+0xcd/0x170 [12687.097840][ T7704] do_syscall_64+0xc6/0x1e0 [12687.097840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12687.097840][ T7704] [12687.100090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12687.100090][ T7704] netdev_get_by_index+0x5e/0x80 [12687.100090][ T7704] fib6_nh_init+0x3d8/0x15b0 [12687.100090][ T7704] ip6_route_info_create+0xf18/0x17d0 [12687.100090][ T7704] ip6_route_add+0x1c/0x140 [12687.100090][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12687.100090][ T7704] addrconf_add_dev+0xe2/0x170 [12687.100090][ T7704] inet6_addr_add+0x12f/0xa40 [12687.100090][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12687.100090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12687.100090][ T7704] netlink_rcv_skb+0x130/0x360 [12687.100090][ T7704] netlink_unicast+0x449/0x710 [12687.100090][ T7704] netlink_sendmsg+0x723/0xbe0 [12687.100090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12687.100090][ T7704] ___sys_sendmsg+0xee/0x170 [12687.100090][ T7704] __sys_sendmsg+0xcd/0x170 [12687.100090][ T7704] do_syscall_64+0xc6/0x1e0 [12687.100090][ T7704] [12687.102304][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12687.102304][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12687.102304][ T7704] ipv6_find_idev+0x102/0x170 [12687.102304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12687.102304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12687.102304][ T7704] netlink_rcv_skb+0x130/0x360 [12687.102304][ T7704] netlink_unicast+0x449/0x710 [12687.102304][ T7704] netlink_sendmsg+0x723/0xbe0 [12687.102304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12687.102304][ T7704] ___sys_sendmsg+0xee/0x170 [12687.102304][ T7704] __sys_sendmsg+0xcd/0x170 [12687.102304][ T7704] do_syscall_64+0xc6/0x1e0 [12687.102304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12687.102304][ T7704] [12687.104026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12687.104026][ T7704] neigh_parms_alloc+0x1e5/0x510 [12687.104026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12687.104026][ T7704] ipv6_find_idev+0x102/0x170 [12687.104026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12687.104026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12687.104026][ T7704] netlink_rcv_skb+0x130/0x360 [12687.104026][ T7704] netlink_unicast+0x449/0x710 [12687.104026][ T7704] netlink_sendmsg+0x723/0xbe0 [12687.104026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12687.104026][ T7704] ___sys_sendmsg+0xee/0x170 [12687.104026][ T7704] __sys_sendmsg+0xcd/0x170 [12687.104026][ T7704] do_syscall_64+0xc6/0x1e0 [12687.104026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12687.104026][ T7704] [12697.358954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12697.359448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12697.359448][ T7704] netdev_get_by_index+0x5e/0x80 [12697.359448][ T7704] fib6_nh_init+0x3d8/0x15b0 [12697.359448][ T7704] ip6_route_info_create+0xf18/0x17d0 [12697.359448][ T7704] ip6_route_add+0x1c/0x140 [12697.359448][ T7704] addrconf_prefix_route+0x2a6/0x430 [12697.359448][ T7704] inet6_addr_add+0x4f8/0xa40 [12697.359448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12697.359448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12697.359448][ T7704] netlink_rcv_skb+0x130/0x360 [12697.359448][ T7704] netlink_unicast+0x449/0x710 [12697.359448][ T7704] netlink_sendmsg+0x723/0xbe0 [12697.359448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12697.359448][ T7704] ___sys_sendmsg+0xee/0x170 [12697.359448][ T7704] __sys_sendmsg+0xcd/0x170 [12697.359448][ T7704] do_syscall_64+0xc6/0x1e0 [12697.359448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12697.359448][ T7704] [12697.361756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12697.361756][ T7704] netdev_get_by_index+0x5e/0x80 [12697.361756][ T7704] fib6_nh_init+0x3d8/0x15b0 [12697.361756][ T7704] ip6_route_info_create+0xf18/0x17d0 [12697.361756][ T7704] addrconf_f6i_alloc+0x315/0x560 [12697.361756][ T7704] ipv6_add_addr+0x411/0x2000 [12697.361756][ T7704] inet6_addr_add+0x30e/0xa40 [12697.361756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12697.361756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12697.361756][ T7704] netlink_rcv_skb+0x130/0x360 [12697.361756][ T7704] netlink_unicast+0x449/0x710 [12697.361756][ T7704] netlink_sendmsg+0x723/0xbe0 [12697.361756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12697.361756][ T7704] ___sys_sendmsg+0xee/0x170 [12697.361756][ T7704] __sys_sendmsg+0xcd/0x170 [12697.361756][ T7704] do_syscall_64+0xc6/0x1e0 [12697.361756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12697.361756][ T7704] [12697.364016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12697.364016][ T7704] netdev_get_by_index+0x5e/0x80 [12697.364016][ T7704] fib6_nh_init+0x3d8/0x15b0 [12697.364016][ T7704] ip6_route_info_create+0xf18/0x17d0 [12697.364016][ T7704] ip6_route_add+0x1c/0x140 [12697.364016][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12697.364016][ T7704] addrconf_add_dev+0xe2/0x170 [12697.364016][ T7704] inet6_addr_add+0x12f/0xa40 [12697.364016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12697.364016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12697.364016][ T7704] netlink_rcv_skb+0x130/0x360 [12697.364016][ T7704] netlink_unicast+0x449/0x710 [12697.364016][ T7704] netlink_sendmsg+0x723/0xbe0 [12697.364016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12697.364016][ T7704] ___sys_sendmsg+0xee/0x170 [12697.364016][ T7704] __sys_sendmsg+0xcd/0x170 [12697.364016][ T7704] do_syscall_64+0xc6/0x1e0 [12697.364016][ T7704] [12697.366223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12697.366223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12697.366223][ T7704] ipv6_find_idev+0x102/0x170 [12697.366223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12697.366223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12697.366223][ T7704] netlink_rcv_skb+0x130/0x360 [12697.366223][ T7704] netlink_unicast+0x449/0x710 [12697.366223][ T7704] netlink_sendmsg+0x723/0xbe0 [12697.366223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12697.366223][ T7704] ___sys_sendmsg+0xee/0x170 [12697.366223][ T7704] __sys_sendmsg+0xcd/0x170 [12697.366223][ T7704] do_syscall_64+0xc6/0x1e0 [12697.366223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12697.366223][ T7704] [12697.367946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12697.367946][ T7704] neigh_parms_alloc+0x1e5/0x510 [12697.367946][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12697.367946][ T7704] ipv6_find_idev+0x102/0x170 [12697.367946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12697.367946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12697.367946][ T7704] netlink_rcv_skb+0x130/0x360 [12697.367946][ T7704] netlink_unicast+0x449/0x710 [12697.367946][ T7704] netlink_sendmsg+0x723/0xbe0 [12697.367946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12697.367946][ T7704] ___sys_sendmsg+0xee/0x170 [12697.367946][ T7704] __sys_sendmsg+0xcd/0x170 [12697.367946][ T7704] do_syscall_64+0xc6/0x1e0 [12697.367946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12697.367946][ T7704] [12707.607013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12707.608068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12707.608068][ T7704] netdev_get_by_index+0x5e/0x80 [12707.608068][ T7704] fib6_nh_init+0x3d8/0x15b0 [12707.608068][ T7704] ip6_route_info_create+0xf18/0x17d0 [12707.608068][ T7704] ip6_route_add+0x1c/0x140 [12707.608068][ T7704] addrconf_prefix_route+0x2a6/0x430 [12707.608068][ T7704] inet6_addr_add+0x4f8/0xa40 [12707.608068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12707.608068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12707.608068][ T7704] netlink_rcv_skb+0x130/0x360 [12707.608068][ T7704] netlink_unicast+0x449/0x710 [12707.608068][ T7704] netlink_sendmsg+0x723/0xbe0 [12707.608068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12707.608068][ T7704] ___sys_sendmsg+0xee/0x170 [12707.608068][ T7704] __sys_sendmsg+0xcd/0x170 [12707.608068][ T7704] do_syscall_64+0xc6/0x1e0 [12707.608068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12707.608068][ T7704] [12707.610346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12707.610346][ T7704] netdev_get_by_index+0x5e/0x80 [12707.610346][ T7704] fib6_nh_init+0x3d8/0x15b0 [12707.610346][ T7704] ip6_route_info_create+0xf18/0x17d0 [12707.610346][ T7704] addrconf_f6i_alloc+0x315/0x560 [12707.610346][ T7704] ipv6_add_addr+0x411/0x2000 [12707.610346][ T7704] inet6_addr_add+0x30e/0xa40 [12707.610346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12707.610346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12707.610346][ T7704] netlink_rcv_skb+0x130/0x360 [12707.610346][ T7704] netlink_unicast+0x449/0x710 [12707.610346][ T7704] netlink_sendmsg+0x723/0xbe0 [12707.610346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12707.610346][ T7704] ___sys_sendmsg+0xee/0x170 [12707.610346][ T7704] __sys_sendmsg+0xcd/0x170 [12707.610346][ T7704] do_syscall_64+0xc6/0x1e0 [12707.610346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12707.610346][ T7704] [12707.612611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12707.612611][ T7704] netdev_get_by_index+0x5e/0x80 [12707.612611][ T7704] fib6_nh_init+0x3d8/0x15b0 [12707.612611][ T7704] ip6_route_info_create+0xf18/0x17d0 [12707.612611][ T7704] ip6_route_add+0x1c/0x140 [12707.612611][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12707.612611][ T7704] addrconf_add_dev+0xe2/0x170 [12707.612611][ T7704] inet6_addr_add+0x12f/0xa40 [12707.612611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12707.612611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12707.612611][ T7704] netlink_rcv_skb+0x130/0x360 [12707.612611][ T7704] netlink_unicast+0x449/0x710 [12707.612611][ T7704] netlink_sendmsg+0x723/0xbe0 [12707.612611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12707.612611][ T7704] ___sys_sendmsg+0xee/0x170 [12707.612611][ T7704] __sys_sendmsg+0xcd/0x170 [12707.612611][ T7704] do_syscall_64+0xc6/0x1e0 [12707.612611][ T7704] [12707.614838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12707.614838][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12707.614838][ T7704] ipv6_find_idev+0x102/0x170 [12707.614838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12707.614838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12707.614838][ T7704] netlink_rcv_skb+0x130/0x360 [12707.614838][ T7704] netlink_unicast+0x449/0x710 [12707.614838][ T7704] netlink_sendmsg+0x723/0xbe0 [12707.614838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12707.614838][ T7704] ___sys_sendmsg+0xee/0x170 [12707.614838][ T7704] __sys_sendmsg+0xcd/0x170 [12707.614838][ T7704] do_syscall_64+0xc6/0x1e0 [12707.614838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12707.614838][ T7704] [12707.616548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12707.616548][ T7704] neigh_parms_alloc+0x1e5/0x510 [12707.616548][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12707.616548][ T7704] ipv6_find_idev+0x102/0x170 [12707.616548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12707.616548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12707.616548][ T7704] netlink_rcv_skb+0x130/0x360 [12707.616548][ T7704] netlink_unicast+0x449/0x710 [12707.616548][ T7704] netlink_sendmsg+0x723/0xbe0 [12707.616548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12707.616548][ T7704] ___sys_sendmsg+0xee/0x170 [12707.616548][ T7704] __sys_sendmsg+0xcd/0x170 [12707.616548][ T7704] do_syscall_64+0xc6/0x1e0 [12707.616548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12707.616548][ T7704] [12717.854993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12717.855516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12717.855516][ T7704] netdev_get_by_index+0x5e/0x80 [12717.855516][ T7704] fib6_nh_init+0x3d8/0x15b0 [12717.855516][ T7704] ip6_route_info_create+0xf18/0x17d0 [12717.855516][ T7704] ip6_route_add+0x1c/0x140 [12717.855516][ T7704] addrconf_prefix_route+0x2a6/0x430 [12717.855516][ T7704] inet6_addr_add+0x4f8/0xa40 [12717.855516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12717.855516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12717.855516][ T7704] netlink_rcv_skb+0x130/0x360 [12717.855516][ T7704] netlink_unicast+0x449/0x710 [12717.855516][ T7704] netlink_sendmsg+0x723/0xbe0 [12717.855516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12717.855516][ T7704] ___sys_sendmsg+0xee/0x170 [12717.855516][ T7704] __sys_sendmsg+0xcd/0x170 [12717.855516][ T7704] do_syscall_64+0xc6/0x1e0 [12717.855516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12717.855516][ T7704] [12717.857768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12717.857768][ T7704] netdev_get_by_index+0x5e/0x80 [12717.857768][ T7704] fib6_nh_init+0x3d8/0x15b0 [12717.857768][ T7704] ip6_route_info_create+0xf18/0x17d0 [12717.857768][ T7704] addrconf_f6i_alloc+0x315/0x560 [12717.857768][ T7704] ipv6_add_addr+0x411/0x2000 [12717.857768][ T7704] inet6_addr_add+0x30e/0xa40 [12717.857768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12717.857768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12717.857768][ T7704] netlink_rcv_skb+0x130/0x360 [12717.857768][ T7704] netlink_unicast+0x449/0x710 [12717.857768][ T7704] netlink_sendmsg+0x723/0xbe0 [12717.857768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12717.857768][ T7704] ___sys_sendmsg+0xee/0x170 [12717.857768][ T7704] __sys_sendmsg+0xcd/0x170 [12717.857768][ T7704] do_syscall_64+0xc6/0x1e0 [12717.857768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12717.857768][ T7704] [12717.860046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12717.860046][ T7704] netdev_get_by_index+0x5e/0x80 [12717.860046][ T7704] fib6_nh_init+0x3d8/0x15b0 [12717.860046][ T7704] ip6_route_info_create+0xf18/0x17d0 [12717.860046][ T7704] ip6_route_add+0x1c/0x140 [12717.860046][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12717.860046][ T7704] addrconf_add_dev+0xe2/0x170 [12717.860046][ T7704] inet6_addr_add+0x12f/0xa40 [12717.860046][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12717.860046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12717.860046][ T7704] netlink_rcv_skb+0x130/0x360 [12717.860046][ T7704] netlink_unicast+0x449/0x710 [12717.860046][ T7704] netlink_sendmsg+0x723/0xbe0 [12717.860046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12717.860046][ T7704] ___sys_sendmsg+0xee/0x170 [12717.860046][ T7704] __sys_sendmsg+0xcd/0x170 [12717.860046][ T7704] do_syscall_64+0xc6/0x1e0 [12717.860046][ T7704] [12717.862261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12717.862261][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12717.862261][ T7704] ipv6_find_idev+0x102/0x170 [12717.862261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12717.862261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12717.862261][ T7704] netlink_rcv_skb+0x130/0x360 [12717.862261][ T7704] netlink_unicast+0x449/0x710 [12717.862261][ T7704] netlink_sendmsg+0x723/0xbe0 [12717.862261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12717.862261][ T7704] ___sys_sendmsg+0xee/0x170 [12717.862261][ T7704] __sys_sendmsg+0xcd/0x170 [12717.862261][ T7704] do_syscall_64+0xc6/0x1e0 [12717.862261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12717.862261][ T7704] [12717.863965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12717.863965][ T7704] neigh_parms_alloc+0x1e5/0x510 [12717.863965][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12717.863965][ T7704] ipv6_find_idev+0x102/0x170 [12717.863965][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12717.863965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12717.863965][ T7704] netlink_rcv_skb+0x130/0x360 [12717.863965][ T7704] netlink_unicast+0x449/0x710 [12717.863965][ T7704] netlink_sendmsg+0x723/0xbe0 [12717.863965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12717.863965][ T7704] ___sys_sendmsg+0xee/0x170 [12717.863965][ T7704] __sys_sendmsg+0xcd/0x170 [12717.863965][ T7704] do_syscall_64+0xc6/0x1e0 [12717.863965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12717.863965][ T7704] [12727.871002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12727.871968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12727.871968][ T7704] netdev_get_by_index+0x5e/0x80 [12727.871968][ T7704] fib6_nh_init+0x3d8/0x15b0 [12727.871968][ T7704] ip6_route_info_create+0xf18/0x17d0 [12727.871968][ T7704] ip6_route_add+0x1c/0x140 [12727.871968][ T7704] addrconf_prefix_route+0x2a6/0x430 [12727.871968][ T7704] inet6_addr_add+0x4f8/0xa40 [12727.871968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12727.871968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12727.871968][ T7704] netlink_rcv_skb+0x130/0x360 [12727.871968][ T7704] netlink_unicast+0x449/0x710 [12727.871968][ T7704] netlink_sendmsg+0x723/0xbe0 [12727.871968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12727.871968][ T7704] ___sys_sendmsg+0xee/0x170 [12727.871968][ T7704] __sys_sendmsg+0xcd/0x170 [12727.871968][ T7704] do_syscall_64+0xc6/0x1e0 [12727.871968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12727.871968][ T7704] [12727.874241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12727.874241][ T7704] netdev_get_by_index+0x5e/0x80 [12727.874241][ T7704] fib6_nh_init+0x3d8/0x15b0 [12727.874241][ T7704] ip6_route_info_create+0xf18/0x17d0 [12727.874241][ T7704] addrconf_f6i_alloc+0x315/0x560 [12727.874241][ T7704] ipv6_add_addr+0x411/0x2000 [12727.874241][ T7704] inet6_addr_add+0x30e/0xa40 [12727.874241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12727.874241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12727.874241][ T7704] netlink_rcv_skb+0x130/0x360 [12727.874241][ T7704] netlink_unicast+0x449/0x710 [12727.874241][ T7704] netlink_sendmsg+0x723/0xbe0 [12727.874241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12727.874241][ T7704] ___sys_sendmsg+0xee/0x170 [12727.874241][ T7704] __sys_sendmsg+0xcd/0x170 [12727.874241][ T7704] do_syscall_64+0xc6/0x1e0 [12727.874241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12727.874241][ T7704] [12727.876453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12727.876453][ T7704] netdev_get_by_index+0x5e/0x80 [12727.876453][ T7704] fib6_nh_init+0x3d8/0x15b0 [12727.876453][ T7704] ip6_route_info_create+0xf18/0x17d0 [12727.876453][ T7704] ip6_route_add+0x1c/0x140 [12727.876453][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12727.876453][ T7704] addrconf_add_dev+0xe2/0x170 [12727.876453][ T7704] inet6_addr_add+0x12f/0xa40 [12727.876453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12727.876453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12727.876453][ T7704] netlink_rcv_skb+0x130/0x360 [12727.876453][ T7704] netlink_unicast+0x449/0x710 [12727.876453][ T7704] netlink_sendmsg+0x723/0xbe0 [12727.876453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12727.876453][ T7704] ___sys_sendmsg+0xee/0x170 [12727.876453][ T7704] __sys_sendmsg+0xcd/0x170 [12727.876453][ T7704] do_syscall_64+0xc6/0x1e0 [12727.876453][ T7704] [12727.878691][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12727.878691][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12727.878691][ T7704] ipv6_find_idev+0x102/0x170 [12727.878691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12727.878691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12727.878691][ T7704] netlink_rcv_skb+0x130/0x360 [12727.878691][ T7704] netlink_unicast+0x449/0x710 [12727.878691][ T7704] netlink_sendmsg+0x723/0xbe0 [12727.878691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12727.878691][ T7704] ___sys_sendmsg+0xee/0x170 [12727.878691][ T7704] __sys_sendmsg+0xcd/0x170 [12727.878691][ T7704] do_syscall_64+0xc6/0x1e0 [12727.878691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12727.878691][ T7704] [12727.880408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12727.880408][ T7704] neigh_parms_alloc+0x1e5/0x510 [12727.880408][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12727.880408][ T7704] ipv6_find_idev+0x102/0x170 [12727.880408][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12727.880408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12727.880408][ T7704] netlink_rcv_skb+0x130/0x360 [12727.880408][ T7704] netlink_unicast+0x449/0x710 [12727.880408][ T7704] netlink_sendmsg+0x723/0xbe0 [12727.880408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12727.880408][ T7704] ___sys_sendmsg+0xee/0x170 [12727.880408][ T7704] __sys_sendmsg+0xcd/0x170 [12727.880408][ T7704] do_syscall_64+0xc6/0x1e0 [12727.880408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12727.880408][ T7704] [12737.895007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12737.895872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12737.895872][ T7704] netdev_get_by_index+0x5e/0x80 [12737.895872][ T7704] fib6_nh_init+0x3d8/0x15b0 [12737.895872][ T7704] ip6_route_info_create+0xf18/0x17d0 [12737.895872][ T7704] ip6_route_add+0x1c/0x140 [12737.895872][ T7704] addrconf_prefix_route+0x2a6/0x430 [12737.895872][ T7704] inet6_addr_add+0x4f8/0xa40 [12737.895872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12737.895872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12737.895872][ T7704] netlink_rcv_skb+0x130/0x360 [12737.895872][ T7704] netlink_unicast+0x449/0x710 [12737.895872][ T7704] netlink_sendmsg+0x723/0xbe0 [12737.895872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12737.895872][ T7704] ___sys_sendmsg+0xee/0x170 [12737.895872][ T7704] __sys_sendmsg+0xcd/0x170 [12737.895872][ T7704] do_syscall_64+0xc6/0x1e0 [12737.895872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12737.895872][ T7704] [12737.898064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12737.898064][ T7704] netdev_get_by_index+0x5e/0x80 [12737.898064][ T7704] fib6_nh_init+0x3d8/0x15b0 [12737.898064][ T7704] ip6_route_info_create+0xf18/0x17d0 [12737.898064][ T7704] addrconf_f6i_alloc+0x315/0x560 [12737.898064][ T7704] ipv6_add_addr+0x411/0x2000 [12737.898064][ T7704] inet6_addr_add+0x30e/0xa40 [12737.898064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12737.898064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12737.898064][ T7704] netlink_rcv_skb+0x130/0x360 [12737.898064][ T7704] netlink_unicast+0x449/0x710 [12737.898064][ T7704] netlink_sendmsg+0x723/0xbe0 [12737.898064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12737.898064][ T7704] ___sys_sendmsg+0xee/0x170 [12737.898064][ T7704] __sys_sendmsg+0xcd/0x170 [12737.898064][ T7704] do_syscall_64+0xc6/0x1e0 [12737.898064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12737.898064][ T7704] [12737.900777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12737.900777][ T7704] netdev_get_by_index+0x5e/0x80 [12737.900777][ T7704] fib6_nh_init+0x3d8/0x15b0 [12737.900777][ T7704] ip6_route_info_create+0xf18/0x17d0 [12737.900777][ T7704] ip6_route_add+0x1c/0x140 [12737.900777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12737.900777][ T7704] addrconf_add_dev+0xe2/0x170 [12737.900777][ T7704] inet6_addr_add+0x12f/0xa40 [12737.900777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12737.900777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12737.900777][ T7704] netlink_rcv_skb+0x130/0x360 [12737.900777][ T7704] netlink_unicast+0x449/0x710 [12737.900777][ T7704] netlink_sendmsg+0x723/0xbe0 [12737.900777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12737.900777][ T7704] ___sys_sendmsg+0xee/0x170 [12737.900777][ T7704] __sys_sendmsg+0xcd/0x170 [12737.900777][ T7704] do_syscall_64+0xc6/0x1e0 [12737.900777][ T7704] [12737.902910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12737.902910][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12737.902910][ T7704] ipv6_find_idev+0x102/0x170 [12737.902910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12737.902910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12737.902910][ T7704] netlink_rcv_skb+0x130/0x360 [12737.902910][ T7704] netlink_unicast+0x449/0x710 [12737.902910][ T7704] netlink_sendmsg+0x723/0xbe0 [12737.902910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12737.902910][ T7704] ___sys_sendmsg+0xee/0x170 [12737.902910][ T7704] __sys_sendmsg+0xcd/0x170 [12737.902910][ T7704] do_syscall_64+0xc6/0x1e0 [12737.902910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12737.902910][ T7704] [12737.904617][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12737.904617][ T7704] neigh_parms_alloc+0x1e5/0x510 [12737.904617][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12737.904617][ T7704] ipv6_find_idev+0x102/0x170 [12737.904617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12737.904617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12737.904617][ T7704] netlink_rcv_skb+0x130/0x360 [12737.904617][ T7704] netlink_unicast+0x449/0x710 [12737.904617][ T7704] netlink_sendmsg+0x723/0xbe0 [12737.904617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12737.904617][ T7704] ___sys_sendmsg+0xee/0x170 [12737.904617][ T7704] __sys_sendmsg+0xcd/0x170 [12737.904617][ T7704] do_syscall_64+0xc6/0x1e0 [12737.904617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12737.904617][ T7704] [12748.143025][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12748.143510][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12748.143510][ T7704] netdev_get_by_index+0x5e/0x80 [12748.143510][ T7704] fib6_nh_init+0x3d8/0x15b0 [12748.143510][ T7704] ip6_route_info_create+0xf18/0x17d0 [12748.143510][ T7704] ip6_route_add+0x1c/0x140 [12748.143510][ T7704] addrconf_prefix_route+0x2a6/0x430 [12748.143510][ T7704] inet6_addr_add+0x4f8/0xa40 [12748.143510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12748.143510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12748.143510][ T7704] netlink_rcv_skb+0x130/0x360 [12748.143510][ T7704] netlink_unicast+0x449/0x710 [12748.143510][ T7704] netlink_sendmsg+0x723/0xbe0 [12748.143510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12748.143510][ T7704] ___sys_sendmsg+0xee/0x170 [12748.143510][ T7704] __sys_sendmsg+0xcd/0x170 [12748.143510][ T7704] do_syscall_64+0xc6/0x1e0 [12748.143510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12748.143510][ T7704] [12748.145705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12748.145705][ T7704] netdev_get_by_index+0x5e/0x80 [12748.145705][ T7704] fib6_nh_init+0x3d8/0x15b0 [12748.145705][ T7704] ip6_route_info_create+0xf18/0x17d0 [12748.145705][ T7704] addrconf_f6i_alloc+0x315/0x560 [12748.145705][ T7704] ipv6_add_addr+0x411/0x2000 [12748.145705][ T7704] inet6_addr_add+0x30e/0xa40 [12748.145705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12748.145705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12748.145705][ T7704] netlink_rcv_skb+0x130/0x360 [12748.145705][ T7704] netlink_unicast+0x449/0x710 [12748.145705][ T7704] netlink_sendmsg+0x723/0xbe0 [12748.145705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12748.145705][ T7704] ___sys_sendmsg+0xee/0x170 [12748.145705][ T7704] __sys_sendmsg+0xcd/0x170 [12748.145705][ T7704] do_syscall_64+0xc6/0x1e0 [12748.145705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12748.145705][ T7704] [12748.147887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12748.147887][ T7704] netdev_get_by_index+0x5e/0x80 [12748.147887][ T7704] fib6_nh_init+0x3d8/0x15b0 [12748.147887][ T7704] ip6_route_info_create+0xf18/0x17d0 [12748.147887][ T7704] ip6_route_add+0x1c/0x140 [12748.147887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12748.147887][ T7704] addrconf_add_dev+0xe2/0x170 [12748.147887][ T7704] inet6_addr_add+0x12f/0xa40 [12748.147887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12748.147887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12748.147887][ T7704] netlink_rcv_skb+0x130/0x360 [12748.147887][ T7704] netlink_unicast+0x449/0x710 [12748.147887][ T7704] netlink_sendmsg+0x723/0xbe0 [12748.147887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12748.147887][ T7704] ___sys_sendmsg+0xee/0x170 [12748.147887][ T7704] __sys_sendmsg+0xcd/0x170 [12748.147887][ T7704] do_syscall_64+0xc6/0x1e0 [12748.147887][ T7704] [12748.150034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12748.150034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12748.150034][ T7704] ipv6_find_idev+0x102/0x170 [12748.150034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12748.150034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12748.150034][ T7704] netlink_rcv_skb+0x130/0x360 [12748.150034][ T7704] netlink_unicast+0x449/0x710 [12748.150034][ T7704] netlink_sendmsg+0x723/0xbe0 [12748.150034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12748.150034][ T7704] ___sys_sendmsg+0xee/0x170 [12748.150034][ T7704] __sys_sendmsg+0xcd/0x170 [12748.150034][ T7704] do_syscall_64+0xc6/0x1e0 [12748.150034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12748.150034][ T7704] [12748.151747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12748.151747][ T7704] neigh_parms_alloc+0x1e5/0x510 [12748.151747][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12748.151747][ T7704] ipv6_find_idev+0x102/0x170 [12748.151747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12748.151747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12748.151747][ T7704] netlink_rcv_skb+0x130/0x360 [12748.151747][ T7704] netlink_unicast+0x449/0x710 [12748.151747][ T7704] netlink_sendmsg+0x723/0xbe0 [12748.151747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12748.151747][ T7704] ___sys_sendmsg+0xee/0x170 [12748.151747][ T7704] __sys_sendmsg+0xcd/0x170 [12748.151747][ T7704] do_syscall_64+0xc6/0x1e0 [12748.151747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12748.151747][ T7704] [12758.391009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12758.391830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12758.391830][ T7704] netdev_get_by_index+0x5e/0x80 [12758.391830][ T7704] fib6_nh_init+0x3d8/0x15b0 [12758.391830][ T7704] ip6_route_info_create+0xf18/0x17d0 [12758.391830][ T7704] ip6_route_add+0x1c/0x140 [12758.391830][ T7704] addrconf_prefix_route+0x2a6/0x430 [12758.391830][ T7704] inet6_addr_add+0x4f8/0xa40 [12758.391830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12758.391830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12758.391830][ T7704] netlink_rcv_skb+0x130/0x360 [12758.391830][ T7704] netlink_unicast+0x449/0x710 [12758.391830][ T7704] netlink_sendmsg+0x723/0xbe0 [12758.391830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12758.391830][ T7704] ___sys_sendmsg+0xee/0x170 [12758.391830][ T7704] __sys_sendmsg+0xcd/0x170 [12758.391830][ T7704] do_syscall_64+0xc6/0x1e0 [12758.391830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12758.391830][ T7704] [12758.394070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12758.394070][ T7704] netdev_get_by_index+0x5e/0x80 [12758.394070][ T7704] fib6_nh_init+0x3d8/0x15b0 [12758.394070][ T7704] ip6_route_info_create+0xf18/0x17d0 [12758.394070][ T7704] addrconf_f6i_alloc+0x315/0x560 [12758.394070][ T7704] ipv6_add_addr+0x411/0x2000 [12758.394070][ T7704] inet6_addr_add+0x30e/0xa40 [12758.394070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12758.394070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12758.394070][ T7704] netlink_rcv_skb+0x130/0x360 [12758.394070][ T7704] netlink_unicast+0x449/0x710 [12758.394070][ T7704] netlink_sendmsg+0x723/0xbe0 [12758.394070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12758.394070][ T7704] ___sys_sendmsg+0xee/0x170 [12758.394070][ T7704] __sys_sendmsg+0xcd/0x170 [12758.394070][ T7704] do_syscall_64+0xc6/0x1e0 [12758.394070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12758.394070][ T7704] [12758.396265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12758.396265][ T7704] netdev_get_by_index+0x5e/0x80 [12758.396265][ T7704] fib6_nh_init+0x3d8/0x15b0 [12758.396265][ T7704] ip6_route_info_create+0xf18/0x17d0 [12758.396265][ T7704] ip6_route_add+0x1c/0x140 [12758.396265][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12758.396265][ T7704] addrconf_add_dev+0xe2/0x170 [12758.396265][ T7704] inet6_addr_add+0x12f/0xa40 [12758.396265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12758.396265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12758.396265][ T7704] netlink_rcv_skb+0x130/0x360 [12758.396265][ T7704] netlink_unicast+0x449/0x710 [12758.396265][ T7704] netlink_sendmsg+0x723/0xbe0 [12758.396265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12758.396265][ T7704] ___sys_sendmsg+0xee/0x170 [12758.396265][ T7704] __sys_sendmsg+0xcd/0x170 [12758.396265][ T7704] do_syscall_64+0xc6/0x1e0 [12758.396265][ T7704] [12758.398404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12758.398404][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12758.398404][ T7704] ipv6_find_idev+0x102/0x170 [12758.398404][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12758.398404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12758.398404][ T7704] netlink_rcv_skb+0x130/0x360 [12758.398404][ T7704] netlink_unicast+0x449/0x710 [12758.398404][ T7704] netlink_sendmsg+0x723/0xbe0 [12758.398404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12758.398404][ T7704] ___sys_sendmsg+0xee/0x170 [12758.398404][ T7704] __sys_sendmsg+0xcd/0x170 [12758.398404][ T7704] do_syscall_64+0xc6/0x1e0 [12758.398404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12758.398404][ T7704] [12758.400101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12758.400101][ T7704] neigh_parms_alloc+0x1e5/0x510 [12758.400101][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12758.400101][ T7704] ipv6_find_idev+0x102/0x170 [12758.400101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12758.400101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12758.400101][ T7704] netlink_rcv_skb+0x130/0x360 [12758.400101][ T7704] netlink_unicast+0x449/0x710 [12758.400101][ T7704] netlink_sendmsg+0x723/0xbe0 [12758.400101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12758.400101][ T7704] ___sys_sendmsg+0xee/0x170 [12758.400101][ T7704] __sys_sendmsg+0xcd/0x170 [12758.400101][ T7704] do_syscall_64+0xc6/0x1e0 [12758.400101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12758.400101][ T7704] [12768.655006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12768.655881][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12768.655881][ T7704] netdev_get_by_index+0x5e/0x80 [12768.655881][ T7704] fib6_nh_init+0x3d8/0x15b0 [12768.655881][ T7704] ip6_route_info_create+0xf18/0x17d0 [12768.655881][ T7704] ip6_route_add+0x1c/0x140 [12768.655881][ T7704] addrconf_prefix_route+0x2a6/0x430 [12768.655881][ T7704] inet6_addr_add+0x4f8/0xa40 [12768.655881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12768.655881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12768.655881][ T7704] netlink_rcv_skb+0x130/0x360 [12768.655881][ T7704] netlink_unicast+0x449/0x710 [12768.655881][ T7704] netlink_sendmsg+0x723/0xbe0 [12768.655881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12768.655881][ T7704] ___sys_sendmsg+0xee/0x170 [12768.655881][ T7704] __sys_sendmsg+0xcd/0x170 [12768.655881][ T7704] do_syscall_64+0xc6/0x1e0 [12768.655881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12768.655881][ T7704] [12768.658117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12768.658117][ T7704] netdev_get_by_index+0x5e/0x80 [12768.658117][ T7704] fib6_nh_init+0x3d8/0x15b0 [12768.658117][ T7704] ip6_route_info_create+0xf18/0x17d0 [12768.658117][ T7704] addrconf_f6i_alloc+0x315/0x560 [12768.658117][ T7704] ipv6_add_addr+0x411/0x2000 [12768.658117][ T7704] inet6_addr_add+0x30e/0xa40 [12768.658117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12768.658117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12768.658117][ T7704] netlink_rcv_skb+0x130/0x360 [12768.658117][ T7704] netlink_unicast+0x449/0x710 [12768.658117][ T7704] netlink_sendmsg+0x723/0xbe0 [12768.658117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12768.658117][ T7704] ___sys_sendmsg+0xee/0x170 [12768.658117][ T7704] __sys_sendmsg+0xcd/0x170 [12768.658117][ T7704] do_syscall_64+0xc6/0x1e0 [12768.658117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12768.658117][ T7704] [12768.660371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12768.660371][ T7704] netdev_get_by_index+0x5e/0x80 [12768.660371][ T7704] fib6_nh_init+0x3d8/0x15b0 [12768.660371][ T7704] ip6_route_info_create+0xf18/0x17d0 [12768.660371][ T7704] ip6_route_add+0x1c/0x140 [12768.660371][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12768.660371][ T7704] addrconf_add_dev+0xe2/0x170 [12768.660371][ T7704] inet6_addr_add+0x12f/0xa40 [12768.660371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12768.660371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12768.660371][ T7704] netlink_rcv_skb+0x130/0x360 [12768.660371][ T7704] netlink_unicast+0x449/0x710 [12768.660371][ T7704] netlink_sendmsg+0x723/0xbe0 [12768.660371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12768.660371][ T7704] ___sys_sendmsg+0xee/0x170 [12768.660371][ T7704] __sys_sendmsg+0xcd/0x170 [12768.660371][ T7704] do_syscall_64+0xc6/0x1e0 [12768.660371][ T7704] [12768.662564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12768.662564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12768.662564][ T7704] ipv6_find_idev+0x102/0x170 [12768.662564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12768.662564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12768.662564][ T7704] netlink_rcv_skb+0x130/0x360 [12768.662564][ T7704] netlink_unicast+0x449/0x710 [12768.662564][ T7704] netlink_sendmsg+0x723/0xbe0 [12768.662564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12768.662564][ T7704] ___sys_sendmsg+0xee/0x170 [12768.662564][ T7704] __sys_sendmsg+0xcd/0x170 [12768.662564][ T7704] do_syscall_64+0xc6/0x1e0 [12768.662564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12768.662564][ T7704] [12768.664295][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12768.664295][ T7704] neigh_parms_alloc+0x1e5/0x510 [12768.664295][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12768.664295][ T7704] ipv6_find_idev+0x102/0x170 [12768.664295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12768.664295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12768.664295][ T7704] netlink_rcv_skb+0x130/0x360 [12768.664295][ T7704] netlink_unicast+0x449/0x710 [12768.664295][ T7704] netlink_sendmsg+0x723/0xbe0 [12768.664295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12768.664295][ T7704] ___sys_sendmsg+0xee/0x170 [12768.664295][ T7704] __sys_sendmsg+0xcd/0x170 [12768.664295][ T7704] do_syscall_64+0xc6/0x1e0 [12768.664295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12768.664295][ T7704] [12778.679098][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12778.680069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12778.680069][ T7704] netdev_get_by_index+0x5e/0x80 [12778.680069][ T7704] fib6_nh_init+0x3d8/0x15b0 [12778.680069][ T7704] ip6_route_info_create+0xf18/0x17d0 [12778.680069][ T7704] ip6_route_add+0x1c/0x140 [12778.680069][ T7704] addrconf_prefix_route+0x2a6/0x430 [12778.680069][ T7704] inet6_addr_add+0x4f8/0xa40 [12778.680069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12778.680069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12778.680069][ T7704] netlink_rcv_skb+0x130/0x360 [12778.680069][ T7704] netlink_unicast+0x449/0x710 [12778.680069][ T7704] netlink_sendmsg+0x723/0xbe0 [12778.680069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12778.680069][ T7704] ___sys_sendmsg+0xee/0x170 [12778.680069][ T7704] __sys_sendmsg+0xcd/0x170 [12778.680069][ T7704] do_syscall_64+0xc6/0x1e0 [12778.680069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12778.680069][ T7704] [12778.682410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12778.682410][ T7704] netdev_get_by_index+0x5e/0x80 [12778.682410][ T7704] fib6_nh_init+0x3d8/0x15b0 [12778.682410][ T7704] ip6_route_info_create+0xf18/0x17d0 [12778.682410][ T7704] addrconf_f6i_alloc+0x315/0x560 [12778.682410][ T7704] ipv6_add_addr+0x411/0x2000 [12778.682410][ T7704] inet6_addr_add+0x30e/0xa40 [12778.682410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12778.682410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12778.682410][ T7704] netlink_rcv_skb+0x130/0x360 [12778.682410][ T7704] netlink_unicast+0x449/0x710 [12778.682410][ T7704] netlink_sendmsg+0x723/0xbe0 [12778.682410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12778.682410][ T7704] ___sys_sendmsg+0xee/0x170 [12778.682410][ T7704] __sys_sendmsg+0xcd/0x170 [12778.682410][ T7704] do_syscall_64+0xc6/0x1e0 [12778.682410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12778.682410][ T7704] [12778.684689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12778.684689][ T7704] netdev_get_by_index+0x5e/0x80 [12778.684689][ T7704] fib6_nh_init+0x3d8/0x15b0 [12778.684689][ T7704] ip6_route_info_create+0xf18/0x17d0 [12778.684689][ T7704] ip6_route_add+0x1c/0x140 [12778.684689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12778.684689][ T7704] addrconf_add_dev+0xe2/0x170 [12778.684689][ T7704] inet6_addr_add+0x12f/0xa40 [12778.684689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12778.684689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12778.684689][ T7704] netlink_rcv_skb+0x130/0x360 [12778.684689][ T7704] netlink_unicast+0x449/0x710 [12778.684689][ T7704] netlink_sendmsg+0x723/0xbe0 [12778.684689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12778.684689][ T7704] ___sys_sendmsg+0xee/0x170 [12778.684689][ T7704] __sys_sendmsg+0xcd/0x170 [12778.684689][ T7704] do_syscall_64+0xc6/0x1e0 [12778.684689][ T7704] [12778.686916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12778.686916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12778.686916][ T7704] ipv6_find_idev+0x102/0x170 [12778.686916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12778.686916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12778.686916][ T7704] netlink_rcv_skb+0x130/0x360 [12778.686916][ T7704] netlink_unicast+0x449/0x710 [12778.686916][ T7704] netlink_sendmsg+0x723/0xbe0 [12778.686916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12778.686916][ T7704] ___sys_sendmsg+0xee/0x170 [12778.686916][ T7704] __sys_sendmsg+0xcd/0x170 [12778.686916][ T7704] do_syscall_64+0xc6/0x1e0 [12778.686916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12778.686916][ T7704] [12778.688656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12778.688656][ T7704] neigh_parms_alloc+0x1e5/0x510 [12778.688656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12778.688656][ T7704] ipv6_find_idev+0x102/0x170 [12778.688656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12778.688656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12778.688656][ T7704] netlink_rcv_skb+0x130/0x360 [12778.688656][ T7704] netlink_unicast+0x449/0x710 [12778.688656][ T7704] netlink_sendmsg+0x723/0xbe0 [12778.688656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12778.688656][ T7704] ___sys_sendmsg+0xee/0x170 [12778.688656][ T7704] __sys_sendmsg+0xcd/0x170 [12778.688656][ T7704] do_syscall_64+0xc6/0x1e0 [12778.688656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12778.688656][ T7704] [12788.790999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12788.792075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12788.792075][ T7704] netdev_get_by_index+0x5e/0x80 [12788.792075][ T7704] fib6_nh_init+0x3d8/0x15b0 [12788.792075][ T7704] ip6_route_info_create+0xf18/0x17d0 [12788.792075][ T7704] ip6_route_add+0x1c/0x140 [12788.792075][ T7704] addrconf_prefix_route+0x2a6/0x430 [12788.792075][ T7704] inet6_addr_add+0x4f8/0xa40 [12788.792075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12788.792075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12788.792075][ T7704] netlink_rcv_skb+0x130/0x360 [12788.792075][ T7704] netlink_unicast+0x449/0x710 [12788.792075][ T7704] netlink_sendmsg+0x723/0xbe0 [12788.792075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12788.792075][ T7704] ___sys_sendmsg+0xee/0x170 [12788.792075][ T7704] __sys_sendmsg+0xcd/0x170 [12788.792075][ T7704] do_syscall_64+0xc6/0x1e0 [12788.792075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12788.792075][ T7704] [12788.794294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12788.794294][ T7704] netdev_get_by_index+0x5e/0x80 [12788.794294][ T7704] fib6_nh_init+0x3d8/0x15b0 [12788.794294][ T7704] ip6_route_info_create+0xf18/0x17d0 [12788.794294][ T7704] addrconf_f6i_alloc+0x315/0x560 [12788.794294][ T7704] ipv6_add_addr+0x411/0x2000 [12788.794294][ T7704] inet6_addr_add+0x30e/0xa40 [12788.794294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12788.794294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12788.794294][ T7704] netlink_rcv_skb+0x130/0x360 [12788.794294][ T7704] netlink_unicast+0x449/0x710 [12788.794294][ T7704] netlink_sendmsg+0x723/0xbe0 [12788.794294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12788.794294][ T7704] ___sys_sendmsg+0xee/0x170 [12788.794294][ T7704] __sys_sendmsg+0xcd/0x170 [12788.794294][ T7704] do_syscall_64+0xc6/0x1e0 [12788.794294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12788.794294][ T7704] [12788.796533][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12788.796533][ T7704] netdev_get_by_index+0x5e/0x80 [12788.796533][ T7704] fib6_nh_init+0x3d8/0x15b0 [12788.796533][ T7704] ip6_route_info_create+0xf18/0x17d0 [12788.796533][ T7704] ip6_route_add+0x1c/0x140 [12788.796533][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12788.796533][ T7704] addrconf_add_dev+0xe2/0x170 [12788.796533][ T7704] inet6_addr_add+0x12f/0xa40 [12788.796533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12788.796533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12788.796533][ T7704] netlink_rcv_skb+0x130/0x360 [12788.796533][ T7704] netlink_unicast+0x449/0x710 [12788.796533][ T7704] netlink_sendmsg+0x723/0xbe0 [12788.796533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12788.796533][ T7704] ___sys_sendmsg+0xee/0x170 [12788.796533][ T7704] __sys_sendmsg+0xcd/0x170 [12788.796533][ T7704] do_syscall_64+0xc6/0x1e0 [12788.796533][ T7704] [12788.798714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12788.798714][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12788.798714][ T7704] ipv6_find_idev+0x102/0x170 [12788.798714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12788.798714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12788.798714][ T7704] netlink_rcv_skb+0x130/0x360 [12788.798714][ T7704] netlink_unicast+0x449/0x710 [12788.798714][ T7704] netlink_sendmsg+0x723/0xbe0 [12788.798714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12788.798714][ T7704] ___sys_sendmsg+0xee/0x170 [12788.798714][ T7704] __sys_sendmsg+0xcd/0x170 [12788.798714][ T7704] do_syscall_64+0xc6/0x1e0 [12788.798714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12788.798714][ T7704] [12788.800449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12788.800449][ T7704] neigh_parms_alloc+0x1e5/0x510 [12788.800449][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12788.800449][ T7704] ipv6_find_idev+0x102/0x170 [12788.800449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12788.800449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12788.800449][ T7704] netlink_rcv_skb+0x130/0x360 [12788.800449][ T7704] netlink_unicast+0x449/0x710 [12788.800449][ T7704] netlink_sendmsg+0x723/0xbe0 [12788.800449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12788.800449][ T7704] ___sys_sendmsg+0xee/0x170 [12788.800449][ T7704] __sys_sendmsg+0xcd/0x170 [12788.800449][ T7704] do_syscall_64+0xc6/0x1e0 [12788.800449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12788.800449][ T7704] [12799.039008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12799.039930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12799.039930][ T7704] netdev_get_by_index+0x5e/0x80 [12799.039930][ T7704] fib6_nh_init+0x3d8/0x15b0 [12799.039930][ T7704] ip6_route_info_create+0xf18/0x17d0 [12799.039930][ T7704] ip6_route_add+0x1c/0x140 [12799.039930][ T7704] addrconf_prefix_route+0x2a6/0x430 [12799.039930][ T7704] inet6_addr_add+0x4f8/0xa40 [12799.039930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12799.039930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12799.039930][ T7704] netlink_rcv_skb+0x130/0x360 [12799.039930][ T7704] netlink_unicast+0x449/0x710 [12799.039930][ T7704] netlink_sendmsg+0x723/0xbe0 [12799.039930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12799.039930][ T7704] ___sys_sendmsg+0xee/0x170 [12799.039930][ T7704] __sys_sendmsg+0xcd/0x170 [12799.039930][ T7704] do_syscall_64+0xc6/0x1e0 [12799.039930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12799.039930][ T7704] [12799.042221][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12799.042221][ T7704] netdev_get_by_index+0x5e/0x80 [12799.042221][ T7704] fib6_nh_init+0x3d8/0x15b0 [12799.042221][ T7704] ip6_route_info_create+0xf18/0x17d0 [12799.042221][ T7704] addrconf_f6i_alloc+0x315/0x560 [12799.042221][ T7704] ipv6_add_addr+0x411/0x2000 [12799.042221][ T7704] inet6_addr_add+0x30e/0xa40 [12799.042221][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12799.042221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12799.042221][ T7704] netlink_rcv_skb+0x130/0x360 [12799.042221][ T7704] netlink_unicast+0x449/0x710 [12799.042221][ T7704] netlink_sendmsg+0x723/0xbe0 [12799.042221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12799.042221][ T7704] ___sys_sendmsg+0xee/0x170 [12799.042221][ T7704] __sys_sendmsg+0xcd/0x170 [12799.042221][ T7704] do_syscall_64+0xc6/0x1e0 [12799.042221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12799.042221][ T7704] [12799.044516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12799.044516][ T7704] netdev_get_by_index+0x5e/0x80 [12799.044516][ T7704] fib6_nh_init+0x3d8/0x15b0 [12799.044516][ T7704] ip6_route_info_create+0xf18/0x17d0 [12799.044516][ T7704] ip6_route_add+0x1c/0x140 [12799.044516][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12799.044516][ T7704] addrconf_add_dev+0xe2/0x170 [12799.044516][ T7704] inet6_addr_add+0x12f/0xa40 [12799.044516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12799.044516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12799.044516][ T7704] netlink_rcv_skb+0x130/0x360 [12799.044516][ T7704] netlink_unicast+0x449/0x710 [12799.044516][ T7704] netlink_sendmsg+0x723/0xbe0 [12799.044516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12799.044516][ T7704] ___sys_sendmsg+0xee/0x170 [12799.044516][ T7704] __sys_sendmsg+0xcd/0x170 [12799.044516][ T7704] do_syscall_64+0xc6/0x1e0 [12799.044516][ T7704] [12799.046768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12799.046768][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12799.046768][ T7704] ipv6_find_idev+0x102/0x170 [12799.046768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12799.046768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12799.046768][ T7704] netlink_rcv_skb+0x130/0x360 [12799.046768][ T7704] netlink_unicast+0x449/0x710 [12799.046768][ T7704] netlink_sendmsg+0x723/0xbe0 [12799.046768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12799.046768][ T7704] ___sys_sendmsg+0xee/0x170 [12799.046768][ T7704] __sys_sendmsg+0xcd/0x170 [12799.046768][ T7704] do_syscall_64+0xc6/0x1e0 [12799.046768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12799.046768][ T7704] [12799.048514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12799.048514][ T7704] neigh_parms_alloc+0x1e5/0x510 [12799.048514][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12799.048514][ T7704] ipv6_find_idev+0x102/0x170 [12799.048514][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12799.048514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12799.048514][ T7704] netlink_rcv_skb+0x130/0x360 [12799.048514][ T7704] netlink_unicast+0x449/0x710 [12799.048514][ T7704] netlink_sendmsg+0x723/0xbe0 [12799.048514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12799.048514][ T7704] ___sys_sendmsg+0xee/0x170 [12799.048514][ T7704] __sys_sendmsg+0xcd/0x170 [12799.048514][ T7704] do_syscall_64+0xc6/0x1e0 [12799.048514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12799.048514][ T7704] [12809.247048][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12809.248003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12809.248003][ T7704] netdev_get_by_index+0x5e/0x80 [12809.248003][ T7704] fib6_nh_init+0x3d8/0x15b0 [12809.248003][ T7704] ip6_route_info_create+0xf18/0x17d0 [12809.248003][ T7704] ip6_route_add+0x1c/0x140 [12809.248003][ T7704] addrconf_prefix_route+0x2a6/0x430 [12809.248003][ T7704] inet6_addr_add+0x4f8/0xa40 [12809.248003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12809.248003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12809.248003][ T7704] netlink_rcv_skb+0x130/0x360 [12809.248003][ T7704] netlink_unicast+0x449/0x710 [12809.248003][ T7704] netlink_sendmsg+0x723/0xbe0 [12809.248003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12809.248003][ T7704] ___sys_sendmsg+0xee/0x170 [12809.248003][ T7704] __sys_sendmsg+0xcd/0x170 [12809.248003][ T7704] do_syscall_64+0xc6/0x1e0 [12809.248003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12809.248003][ T7704] [12809.250295][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12809.250295][ T7704] netdev_get_by_index+0x5e/0x80 [12809.250295][ T7704] fib6_nh_init+0x3d8/0x15b0 [12809.250295][ T7704] ip6_route_info_create+0xf18/0x17d0 [12809.250295][ T7704] addrconf_f6i_alloc+0x315/0x560 [12809.250295][ T7704] ipv6_add_addr+0x411/0x2000 [12809.250295][ T7704] inet6_addr_add+0x30e/0xa40 [12809.250295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12809.250295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12809.250295][ T7704] netlink_rcv_skb+0x130/0x360 [12809.250295][ T7704] netlink_unicast+0x449/0x710 [12809.250295][ T7704] netlink_sendmsg+0x723/0xbe0 [12809.250295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12809.250295][ T7704] ___sys_sendmsg+0xee/0x170 [12809.250295][ T7704] __sys_sendmsg+0xcd/0x170 [12809.250295][ T7704] do_syscall_64+0xc6/0x1e0 [12809.250295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12809.250295][ T7704] [12809.252527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12809.252527][ T7704] netdev_get_by_index+0x5e/0x80 [12809.252527][ T7704] fib6_nh_init+0x3d8/0x15b0 [12809.252527][ T7704] ip6_route_info_create+0xf18/0x17d0 [12809.252527][ T7704] ip6_route_add+0x1c/0x140 [12809.252527][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12809.252527][ T7704] addrconf_add_dev+0xe2/0x170 [12809.252527][ T7704] inet6_addr_add+0x12f/0xa40 [12809.252527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12809.252527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12809.252527][ T7704] netlink_rcv_skb+0x130/0x360 [12809.252527][ T7704] netlink_unicast+0x449/0x710 [12809.252527][ T7704] netlink_sendmsg+0x723/0xbe0 [12809.252527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12809.252527][ T7704] ___sys_sendmsg+0xee/0x170 [12809.252527][ T7704] __sys_sendmsg+0xcd/0x170 [12809.252527][ T7704] do_syscall_64+0xc6/0x1e0 [12809.252527][ T7704] [12809.254685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12809.254685][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12809.254685][ T7704] ipv6_find_idev+0x102/0x170 [12809.254685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12809.254685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12809.254685][ T7704] netlink_rcv_skb+0x130/0x360 [12809.254685][ T7704] netlink_unicast+0x449/0x710 [12809.254685][ T7704] netlink_sendmsg+0x723/0xbe0 [12809.254685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12809.254685][ T7704] ___sys_sendmsg+0xee/0x170 [12809.254685][ T7704] __sys_sendmsg+0xcd/0x170 [12809.254685][ T7704] do_syscall_64+0xc6/0x1e0 [12809.254685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12809.254685][ T7704] [12809.256449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12809.256449][ T7704] neigh_parms_alloc+0x1e5/0x510 [12809.256449][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12809.256449][ T7704] ipv6_find_idev+0x102/0x170 [12809.256449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12809.256449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12809.256449][ T7704] netlink_rcv_skb+0x130/0x360 [12809.256449][ T7704] netlink_unicast+0x449/0x710 [12809.256449][ T7704] netlink_sendmsg+0x723/0xbe0 [12809.256449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12809.256449][ T7704] ___sys_sendmsg+0xee/0x170 [12809.256449][ T7704] __sys_sendmsg+0xcd/0x170 [12809.256449][ T7704] do_syscall_64+0xc6/0x1e0 [12809.256449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12809.256449][ T7704] [12819.495010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12819.495763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12819.495763][ T7704] netdev_get_by_index+0x5e/0x80 [12819.495763][ T7704] fib6_nh_init+0x3d8/0x15b0 [12819.495763][ T7704] ip6_route_info_create+0xf18/0x17d0 [12819.495763][ T7704] ip6_route_add+0x1c/0x140 [12819.495763][ T7704] addrconf_prefix_route+0x2a6/0x430 [12819.495763][ T7704] inet6_addr_add+0x4f8/0xa40 [12819.495763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12819.495763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12819.495763][ T7704] netlink_rcv_skb+0x130/0x360 [12819.495763][ T7704] netlink_unicast+0x449/0x710 [12819.495763][ T7704] netlink_sendmsg+0x723/0xbe0 [12819.495763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12819.495763][ T7704] ___sys_sendmsg+0xee/0x170 [12819.495763][ T7704] __sys_sendmsg+0xcd/0x170 [12819.495763][ T7704] do_syscall_64+0xc6/0x1e0 [12819.495763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12819.495763][ T7704] [12819.498006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12819.498006][ T7704] netdev_get_by_index+0x5e/0x80 [12819.498006][ T7704] fib6_nh_init+0x3d8/0x15b0 [12819.498006][ T7704] ip6_route_info_create+0xf18/0x17d0 [12819.498006][ T7704] addrconf_f6i_alloc+0x315/0x560 [12819.498006][ T7704] ipv6_add_addr+0x411/0x2000 [12819.498006][ T7704] inet6_addr_add+0x30e/0xa40 [12819.498006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12819.498006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12819.498006][ T7704] netlink_rcv_skb+0x130/0x360 [12819.498006][ T7704] netlink_unicast+0x449/0x710 [12819.498006][ T7704] netlink_sendmsg+0x723/0xbe0 [12819.498006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12819.498006][ T7704] ___sys_sendmsg+0xee/0x170 [12819.498006][ T7704] __sys_sendmsg+0xcd/0x170 [12819.498006][ T7704] do_syscall_64+0xc6/0x1e0 [12819.498006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12819.498006][ T7704] [12819.500297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12819.500297][ T7704] netdev_get_by_index+0x5e/0x80 [12819.500297][ T7704] fib6_nh_init+0x3d8/0x15b0 [12819.500297][ T7704] ip6_route_info_create+0xf18/0x17d0 [12819.500297][ T7704] ip6_route_add+0x1c/0x140 [12819.500297][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12819.500297][ T7704] addrconf_add_dev+0xe2/0x170 [12819.500297][ T7704] inet6_addr_add+0x12f/0xa40 [12819.500297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12819.500297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12819.500297][ T7704] netlink_rcv_skb+0x130/0x360 [12819.500297][ T7704] netlink_unicast+0x449/0x710 [12819.500297][ T7704] netlink_sendmsg+0x723/0xbe0 [12819.500297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12819.500297][ T7704] ___sys_sendmsg+0xee/0x170 [12819.500297][ T7704] __sys_sendmsg+0xcd/0x170 [12819.500297][ T7704] do_syscall_64+0xc6/0x1e0 [12819.500297][ T7704] [12819.502565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12819.502565][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12819.502565][ T7704] ipv6_find_idev+0x102/0x170 [12819.502565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12819.502565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12819.502565][ T7704] netlink_rcv_skb+0x130/0x360 [12819.502565][ T7704] netlink_unicast+0x449/0x710 [12819.502565][ T7704] netlink_sendmsg+0x723/0xbe0 [12819.502565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12819.502565][ T7704] ___sys_sendmsg+0xee/0x170 [12819.502565][ T7704] __sys_sendmsg+0xcd/0x170 [12819.502565][ T7704] do_syscall_64+0xc6/0x1e0 [12819.502565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12819.502565][ T7704] [12819.504295][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12819.504295][ T7704] neigh_parms_alloc+0x1e5/0x510 [12819.504295][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12819.504295][ T7704] ipv6_find_idev+0x102/0x170 [12819.504295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12819.504295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12819.504295][ T7704] netlink_rcv_skb+0x130/0x360 [12819.504295][ T7704] netlink_unicast+0x449/0x710 [12819.504295][ T7704] netlink_sendmsg+0x723/0xbe0 [12819.504295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12819.504295][ T7704] ___sys_sendmsg+0xee/0x170 [12819.504295][ T7704] __sys_sendmsg+0xcd/0x170 [12819.504295][ T7704] do_syscall_64+0xc6/0x1e0 [12819.504295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12819.504295][ T7704] [12829.743012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12829.744084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12829.744084][ T7704] netdev_get_by_index+0x5e/0x80 [12829.744084][ T7704] fib6_nh_init+0x3d8/0x15b0 [12829.744084][ T7704] ip6_route_info_create+0xf18/0x17d0 [12829.744084][ T7704] ip6_route_add+0x1c/0x140 [12829.744084][ T7704] addrconf_prefix_route+0x2a6/0x430 [12829.744084][ T7704] inet6_addr_add+0x4f8/0xa40 [12829.744084][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12829.744084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12829.744084][ T7704] netlink_rcv_skb+0x130/0x360 [12829.744084][ T7704] netlink_unicast+0x449/0x710 [12829.744084][ T7704] netlink_sendmsg+0x723/0xbe0 [12829.744084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12829.744084][ T7704] ___sys_sendmsg+0xee/0x170 [12829.744084][ T7704] __sys_sendmsg+0xcd/0x170 [12829.744084][ T7704] do_syscall_64+0xc6/0x1e0 [12829.744084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12829.744084][ T7704] [12829.746336][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12829.746336][ T7704] netdev_get_by_index+0x5e/0x80 [12829.746336][ T7704] fib6_nh_init+0x3d8/0x15b0 [12829.746336][ T7704] ip6_route_info_create+0xf18/0x17d0 [12829.746336][ T7704] addrconf_f6i_alloc+0x315/0x560 [12829.746336][ T7704] ipv6_add_addr+0x411/0x2000 [12829.746336][ T7704] inet6_addr_add+0x30e/0xa40 [12829.746336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12829.746336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12829.746336][ T7704] netlink_rcv_skb+0x130/0x360 [12829.746336][ T7704] netlink_unicast+0x449/0x710 [12829.746336][ T7704] netlink_sendmsg+0x723/0xbe0 [12829.746336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12829.746336][ T7704] ___sys_sendmsg+0xee/0x170 [12829.746336][ T7704] __sys_sendmsg+0xcd/0x170 [12829.746336][ T7704] do_syscall_64+0xc6/0x1e0 [12829.746336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12829.746336][ T7704] [12829.748532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12829.748532][ T7704] netdev_get_by_index+0x5e/0x80 [12829.748532][ T7704] fib6_nh_init+0x3d8/0x15b0 [12829.748532][ T7704] ip6_route_info_create+0xf18/0x17d0 [12829.748532][ T7704] ip6_route_add+0x1c/0x140 [12829.748532][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12829.748532][ T7704] addrconf_add_dev+0xe2/0x170 [12829.748532][ T7704] inet6_addr_add+0x12f/0xa40 [12829.748532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12829.748532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12829.748532][ T7704] netlink_rcv_skb+0x130/0x360 [12829.748532][ T7704] netlink_unicast+0x449/0x710 [12829.748532][ T7704] netlink_sendmsg+0x723/0xbe0 [12829.748532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12829.748532][ T7704] ___sys_sendmsg+0xee/0x170 [12829.748532][ T7704] __sys_sendmsg+0xcd/0x170 [12829.748532][ T7704] do_syscall_64+0xc6/0x1e0 [12829.748532][ T7704] [12829.750710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12829.750710][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12829.750710][ T7704] ipv6_find_idev+0x102/0x170 [12829.750710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12829.750710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12829.750710][ T7704] netlink_rcv_skb+0x130/0x360 [12829.750710][ T7704] netlink_unicast+0x449/0x710 [12829.750710][ T7704] netlink_sendmsg+0x723/0xbe0 [12829.750710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12829.750710][ T7704] ___sys_sendmsg+0xee/0x170 [12829.750710][ T7704] __sys_sendmsg+0xcd/0x170 [12829.750710][ T7704] do_syscall_64+0xc6/0x1e0 [12829.750710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12829.750710][ T7704] [12829.752438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12829.752438][ T7704] neigh_parms_alloc+0x1e5/0x510 [12829.752438][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12829.752438][ T7704] ipv6_find_idev+0x102/0x170 [12829.752438][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12829.752438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12829.752438][ T7704] netlink_rcv_skb+0x130/0x360 [12829.752438][ T7704] netlink_unicast+0x449/0x710 [12829.752438][ T7704] netlink_sendmsg+0x723/0xbe0 [12829.752438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12829.752438][ T7704] ___sys_sendmsg+0xee/0x170 [12829.752438][ T7704] __sys_sendmsg+0xcd/0x170 [12829.752438][ T7704] do_syscall_64+0xc6/0x1e0 [12829.752438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12829.752438][ T7704] [12839.991093][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12839.992144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12839.992144][ T7704] netdev_get_by_index+0x5e/0x80 [12839.992144][ T7704] fib6_nh_init+0x3d8/0x15b0 [12839.992144][ T7704] ip6_route_info_create+0xf18/0x17d0 [12839.992144][ T7704] ip6_route_add+0x1c/0x140 [12839.992144][ T7704] addrconf_prefix_route+0x2a6/0x430 [12839.992144][ T7704] inet6_addr_add+0x4f8/0xa40 [12839.992144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12839.992144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12839.992144][ T7704] netlink_rcv_skb+0x130/0x360 [12839.992144][ T7704] netlink_unicast+0x449/0x710 [12839.992144][ T7704] netlink_sendmsg+0x723/0xbe0 [12839.992144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12839.992144][ T7704] ___sys_sendmsg+0xee/0x170 [12839.992144][ T7704] __sys_sendmsg+0xcd/0x170 [12839.992144][ T7704] do_syscall_64+0xc6/0x1e0 [12839.992144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12839.992144][ T7704] [12839.994423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12839.994423][ T7704] netdev_get_by_index+0x5e/0x80 [12839.994423][ T7704] fib6_nh_init+0x3d8/0x15b0 [12839.994423][ T7704] ip6_route_info_create+0xf18/0x17d0 [12839.994423][ T7704] addrconf_f6i_alloc+0x315/0x560 [12839.994423][ T7704] ipv6_add_addr+0x411/0x2000 [12839.994423][ T7704] inet6_addr_add+0x30e/0xa40 [12839.994423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12839.994423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12839.994423][ T7704] netlink_rcv_skb+0x130/0x360 [12839.994423][ T7704] netlink_unicast+0x449/0x710 [12839.994423][ T7704] netlink_sendmsg+0x723/0xbe0 [12839.994423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12839.994423][ T7704] ___sys_sendmsg+0xee/0x170 [12839.994423][ T7704] __sys_sendmsg+0xcd/0x170 [12839.994423][ T7704] do_syscall_64+0xc6/0x1e0 [12839.994423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12839.994423][ T7704] [12839.996689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12839.996689][ T7704] netdev_get_by_index+0x5e/0x80 [12839.996689][ T7704] fib6_nh_init+0x3d8/0x15b0 [12839.996689][ T7704] ip6_route_info_create+0xf18/0x17d0 [12839.996689][ T7704] ip6_route_add+0x1c/0x140 [12839.996689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12839.996689][ T7704] addrconf_add_dev+0xe2/0x170 [12839.996689][ T7704] inet6_addr_add+0x12f/0xa40 [12839.996689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12839.996689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12839.996689][ T7704] netlink_rcv_skb+0x130/0x360 [12839.996689][ T7704] netlink_unicast+0x449/0x710 [12839.996689][ T7704] netlink_sendmsg+0x723/0xbe0 [12839.996689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12839.996689][ T7704] ___sys_sendmsg+0xee/0x170 [12839.996689][ T7704] __sys_sendmsg+0xcd/0x170 [12839.996689][ T7704] do_syscall_64+0xc6/0x1e0 [12839.996689][ T7704] [12839.998997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12839.998997][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12839.998997][ T7704] ipv6_find_idev+0x102/0x170 [12839.998997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12839.998997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12839.998997][ T7704] netlink_rcv_skb+0x130/0x360 [12839.998997][ T7704] netlink_unicast+0x449/0x710 [12839.998997][ T7704] netlink_sendmsg+0x723/0xbe0 [12839.998997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12839.998997][ T7704] ___sys_sendmsg+0xee/0x170 [12839.998997][ T7704] __sys_sendmsg+0xcd/0x170 [12839.998997][ T7704] do_syscall_64+0xc6/0x1e0 [12839.998997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12839.998997][ T7704] [12840.000766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12840.000766][ T7704] neigh_parms_alloc+0x1e5/0x510 [12840.000766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12840.000766][ T7704] ipv6_find_idev+0x102/0x170 [12840.000766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12840.000766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12840.000766][ T7704] netlink_rcv_skb+0x130/0x360 [12840.000766][ T7704] netlink_unicast+0x449/0x710 [12840.000766][ T7704] netlink_sendmsg+0x723/0xbe0 [12840.000766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12840.000766][ T7704] ___sys_sendmsg+0xee/0x170 [12840.000766][ T7704] __sys_sendmsg+0xcd/0x170 [12840.000766][ T7704] do_syscall_64+0xc6/0x1e0 [12840.000766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12840.000766][ T7704] [12850.006900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12850.007381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12850.007381][ T7704] netdev_get_by_index+0x5e/0x80 [12850.007381][ T7704] fib6_nh_init+0x3d8/0x15b0 [12850.007381][ T7704] ip6_route_info_create+0xf18/0x17d0 [12850.007381][ T7704] ip6_route_add+0x1c/0x140 [12850.007381][ T7704] addrconf_prefix_route+0x2a6/0x430 [12850.007381][ T7704] inet6_addr_add+0x4f8/0xa40 [12850.007381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12850.007381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12850.007381][ T7704] netlink_rcv_skb+0x130/0x360 [12850.007381][ T7704] netlink_unicast+0x449/0x710 [12850.007381][ T7704] netlink_sendmsg+0x723/0xbe0 [12850.007381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12850.007381][ T7704] ___sys_sendmsg+0xee/0x170 [12850.007381][ T7704] __sys_sendmsg+0xcd/0x170 [12850.007381][ T7704] do_syscall_64+0xc6/0x1e0 [12850.007381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12850.007381][ T7704] [12850.009648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12850.009648][ T7704] netdev_get_by_index+0x5e/0x80 [12850.009648][ T7704] fib6_nh_init+0x3d8/0x15b0 [12850.009648][ T7704] ip6_route_info_create+0xf18/0x17d0 [12850.009648][ T7704] addrconf_f6i_alloc+0x315/0x560 [12850.009648][ T7704] ipv6_add_addr+0x411/0x2000 [12850.009648][ T7704] inet6_addr_add+0x30e/0xa40 [12850.009648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12850.009648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12850.009648][ T7704] netlink_rcv_skb+0x130/0x360 [12850.009648][ T7704] netlink_unicast+0x449/0x710 [12850.009648][ T7704] netlink_sendmsg+0x723/0xbe0 [12850.009648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12850.009648][ T7704] ___sys_sendmsg+0xee/0x170 [12850.009648][ T7704] __sys_sendmsg+0xcd/0x170 [12850.009648][ T7704] do_syscall_64+0xc6/0x1e0 [12850.009648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12850.009648][ T7704] [12850.011877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12850.011877][ T7704] netdev_get_by_index+0x5e/0x80 [12850.011877][ T7704] fib6_nh_init+0x3d8/0x15b0 [12850.011877][ T7704] ip6_route_info_create+0xf18/0x17d0 [12850.011877][ T7704] ip6_route_add+0x1c/0x140 [12850.011877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12850.011877][ T7704] addrconf_add_dev+0xe2/0x170 [12850.011877][ T7704] inet6_addr_add+0x12f/0xa40 [12850.011877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12850.011877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12850.011877][ T7704] netlink_rcv_skb+0x130/0x360 [12850.011877][ T7704] netlink_unicast+0x449/0x710 [12850.011877][ T7704] netlink_sendmsg+0x723/0xbe0 [12850.011877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12850.011877][ T7704] ___sys_sendmsg+0xee/0x170 [12850.011877][ T7704] __sys_sendmsg+0xcd/0x170 [12850.011877][ T7704] do_syscall_64+0xc6/0x1e0 [12850.011877][ T7704] [12850.014061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12850.014061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12850.014061][ T7704] ipv6_find_idev+0x102/0x170 [12850.014061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12850.014061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12850.014061][ T7704] netlink_rcv_skb+0x130/0x360 [12850.014061][ T7704] netlink_unicast+0x449/0x710 [12850.014061][ T7704] netlink_sendmsg+0x723/0xbe0 [12850.014061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12850.014061][ T7704] ___sys_sendmsg+0xee/0x170 [12850.014061][ T7704] __sys_sendmsg+0xcd/0x170 [12850.014061][ T7704] do_syscall_64+0xc6/0x1e0 [12850.014061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12850.014061][ T7704] [12850.015775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12850.015775][ T7704] neigh_parms_alloc+0x1e5/0x510 [12850.015775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12850.015775][ T7704] ipv6_find_idev+0x102/0x170 [12850.015775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12850.015775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12850.015775][ T7704] netlink_rcv_skb+0x130/0x360 [12850.015775][ T7704] netlink_unicast+0x449/0x710 [12850.015775][ T7704] netlink_sendmsg+0x723/0xbe0 [12850.015775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12850.015775][ T7704] ___sys_sendmsg+0xee/0x170 [12850.015775][ T7704] __sys_sendmsg+0xcd/0x170 [12850.015775][ T7704] do_syscall_64+0xc6/0x1e0 [12850.015775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12850.015775][ T7704] [12860.182950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12860.183451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12860.183451][ T7704] netdev_get_by_index+0x5e/0x80 [12860.183451][ T7704] fib6_nh_init+0x3d8/0x15b0 [12860.183451][ T7704] ip6_route_info_create+0xf18/0x17d0 [12860.183451][ T7704] ip6_route_add+0x1c/0x140 [12860.183451][ T7704] addrconf_prefix_route+0x2a6/0x430 [12860.183451][ T7704] inet6_addr_add+0x4f8/0xa40 [12860.183451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12860.183451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12860.183451][ T7704] netlink_rcv_skb+0x130/0x360 [12860.183451][ T7704] netlink_unicast+0x449/0x710 [12860.183451][ T7704] netlink_sendmsg+0x723/0xbe0 [12860.183451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12860.183451][ T7704] ___sys_sendmsg+0xee/0x170 [12860.183451][ T7704] __sys_sendmsg+0xcd/0x170 [12860.183451][ T7704] do_syscall_64+0xc6/0x1e0 [12860.183451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12860.183451][ T7704] [12860.185666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12860.185666][ T7704] netdev_get_by_index+0x5e/0x80 [12860.185666][ T7704] fib6_nh_init+0x3d8/0x15b0 [12860.185666][ T7704] ip6_route_info_create+0xf18/0x17d0 [12860.185666][ T7704] addrconf_f6i_alloc+0x315/0x560 [12860.185666][ T7704] ipv6_add_addr+0x411/0x2000 [12860.185666][ T7704] inet6_addr_add+0x30e/0xa40 [12860.185666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12860.185666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12860.185666][ T7704] netlink_rcv_skb+0x130/0x360 [12860.185666][ T7704] netlink_unicast+0x449/0x710 [12860.185666][ T7704] netlink_sendmsg+0x723/0xbe0 [12860.185666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12860.185666][ T7704] ___sys_sendmsg+0xee/0x170 [12860.185666][ T7704] __sys_sendmsg+0xcd/0x170 [12860.185666][ T7704] do_syscall_64+0xc6/0x1e0 [12860.185666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12860.185666][ T7704] [12860.187917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12860.187917][ T7704] netdev_get_by_index+0x5e/0x80 [12860.187917][ T7704] fib6_nh_init+0x3d8/0x15b0 [12860.187917][ T7704] ip6_route_info_create+0xf18/0x17d0 [12860.187917][ T7704] ip6_route_add+0x1c/0x140 [12860.187917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12860.187917][ T7704] addrconf_add_dev+0xe2/0x170 [12860.187917][ T7704] inet6_addr_add+0x12f/0xa40 [12860.187917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12860.187917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12860.187917][ T7704] netlink_rcv_skb+0x130/0x360 [12860.187917][ T7704] netlink_unicast+0x449/0x710 [12860.187917][ T7704] netlink_sendmsg+0x723/0xbe0 [12860.187917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12860.187917][ T7704] ___sys_sendmsg+0xee/0x170 [12860.187917][ T7704] __sys_sendmsg+0xcd/0x170 [12860.187917][ T7704] do_syscall_64+0xc6/0x1e0 [12860.187917][ T7704] [12860.190073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12860.190073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12860.190073][ T7704] ipv6_find_idev+0x102/0x170 [12860.190073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12860.190073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12860.190073][ T7704] netlink_rcv_skb+0x130/0x360 [12860.190073][ T7704] netlink_unicast+0x449/0x710 [12860.190073][ T7704] netlink_sendmsg+0x723/0xbe0 [12860.190073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12860.190073][ T7704] ___sys_sendmsg+0xee/0x170 [12860.190073][ T7704] __sys_sendmsg+0xcd/0x170 [12860.190073][ T7704] do_syscall_64+0xc6/0x1e0 [12860.190073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12860.190073][ T7704] [12860.191787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12860.191787][ T7704] neigh_parms_alloc+0x1e5/0x510 [12860.191787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12860.191787][ T7704] ipv6_find_idev+0x102/0x170 [12860.191787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12860.191787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12860.191787][ T7704] netlink_rcv_skb+0x130/0x360 [12860.191787][ T7704] netlink_unicast+0x449/0x710 [12860.191787][ T7704] netlink_sendmsg+0x723/0xbe0 [12860.191787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12860.191787][ T7704] ___sys_sendmsg+0xee/0x170 [12860.191787][ T7704] __sys_sendmsg+0xcd/0x170 [12860.191787][ T7704] do_syscall_64+0xc6/0x1e0 [12860.191787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12860.191787][ T7704] [12870.287007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12870.288036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12870.288036][ T7704] netdev_get_by_index+0x5e/0x80 [12870.288036][ T7704] fib6_nh_init+0x3d8/0x15b0 [12870.288036][ T7704] ip6_route_info_create+0xf18/0x17d0 [12870.288036][ T7704] ip6_route_add+0x1c/0x140 [12870.288036][ T7704] addrconf_prefix_route+0x2a6/0x430 [12870.288036][ T7704] inet6_addr_add+0x4f8/0xa40 [12870.288036][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12870.288036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12870.288036][ T7704] netlink_rcv_skb+0x130/0x360 [12870.288036][ T7704] netlink_unicast+0x449/0x710 [12870.288036][ T7704] netlink_sendmsg+0x723/0xbe0 [12870.288036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12870.288036][ T7704] ___sys_sendmsg+0xee/0x170 [12870.288036][ T7704] __sys_sendmsg+0xcd/0x170 [12870.288036][ T7704] do_syscall_64+0xc6/0x1e0 [12870.288036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12870.288036][ T7704] [12870.290339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12870.290339][ T7704] netdev_get_by_index+0x5e/0x80 [12870.290339][ T7704] fib6_nh_init+0x3d8/0x15b0 [12870.290339][ T7704] ip6_route_info_create+0xf18/0x17d0 [12870.290339][ T7704] addrconf_f6i_alloc+0x315/0x560 [12870.290339][ T7704] ipv6_add_addr+0x411/0x2000 [12870.290339][ T7704] inet6_addr_add+0x30e/0xa40 [12870.290339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12870.290339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12870.290339][ T7704] netlink_rcv_skb+0x130/0x360 [12870.290339][ T7704] netlink_unicast+0x449/0x710 [12870.290339][ T7704] netlink_sendmsg+0x723/0xbe0 [12870.290339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12870.290339][ T7704] ___sys_sendmsg+0xee/0x170 [12870.290339][ T7704] __sys_sendmsg+0xcd/0x170 [12870.290339][ T7704] do_syscall_64+0xc6/0x1e0 [12870.290339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12870.290339][ T7704] [12870.292568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12870.292568][ T7704] netdev_get_by_index+0x5e/0x80 [12870.292568][ T7704] fib6_nh_init+0x3d8/0x15b0 [12870.292568][ T7704] ip6_route_info_create+0xf18/0x17d0 [12870.292568][ T7704] ip6_route_add+0x1c/0x140 [12870.292568][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12870.292568][ T7704] addrconf_add_dev+0xe2/0x170 [12870.292568][ T7704] inet6_addr_add+0x12f/0xa40 [12870.292568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12870.292568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12870.292568][ T7704] netlink_rcv_skb+0x130/0x360 [12870.292568][ T7704] netlink_unicast+0x449/0x710 [12870.292568][ T7704] netlink_sendmsg+0x723/0xbe0 [12870.292568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12870.292568][ T7704] ___sys_sendmsg+0xee/0x170 [12870.292568][ T7704] __sys_sendmsg+0xcd/0x170 [12870.292568][ T7704] do_syscall_64+0xc6/0x1e0 [12870.292568][ T7704] [12870.294756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12870.294756][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12870.294756][ T7704] ipv6_find_idev+0x102/0x170 [12870.294756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12870.294756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12870.294756][ T7704] netlink_rcv_skb+0x130/0x360 [12870.294756][ T7704] netlink_unicast+0x449/0x710 [12870.294756][ T7704] netlink_sendmsg+0x723/0xbe0 [12870.294756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12870.294756][ T7704] ___sys_sendmsg+0xee/0x170 [12870.294756][ T7704] __sys_sendmsg+0xcd/0x170 [12870.294756][ T7704] do_syscall_64+0xc6/0x1e0 [12870.294756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12870.294756][ T7704] [12870.296428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12870.296428][ T7704] neigh_parms_alloc+0x1e5/0x510 [12870.296428][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12870.296428][ T7704] ipv6_find_idev+0x102/0x170 [12870.296428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12870.296428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12870.296428][ T7704] netlink_rcv_skb+0x130/0x360 [12870.296428][ T7704] netlink_unicast+0x449/0x710 [12870.296428][ T7704] netlink_sendmsg+0x723/0xbe0 [12870.296428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12870.296428][ T7704] ___sys_sendmsg+0xee/0x170 [12870.296428][ T7704] __sys_sendmsg+0xcd/0x170 [12870.296428][ T7704] do_syscall_64+0xc6/0x1e0 [12870.296428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12870.296428][ T7704] [12880.535002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12880.536098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12880.536098][ T7704] netdev_get_by_index+0x5e/0x80 [12880.536098][ T7704] fib6_nh_init+0x3d8/0x15b0 [12880.536098][ T7704] ip6_route_info_create+0xf18/0x17d0 [12880.536098][ T7704] ip6_route_add+0x1c/0x140 [12880.536098][ T7704] addrconf_prefix_route+0x2a6/0x430 [12880.536098][ T7704] inet6_addr_add+0x4f8/0xa40 [12880.536098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12880.536098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12880.536098][ T7704] netlink_rcv_skb+0x130/0x360 [12880.536098][ T7704] netlink_unicast+0x449/0x710 [12880.536098][ T7704] netlink_sendmsg+0x723/0xbe0 [12880.536098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12880.536098][ T7704] ___sys_sendmsg+0xee/0x170 [12880.536098][ T7704] __sys_sendmsg+0xcd/0x170 [12880.536098][ T7704] do_syscall_64+0xc6/0x1e0 [12880.536098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12880.536098][ T7704] [12880.538856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12880.538856][ T7704] netdev_get_by_index+0x5e/0x80 [12880.538856][ T7704] fib6_nh_init+0x3d8/0x15b0 [12880.538856][ T7704] ip6_route_info_create+0xf18/0x17d0 [12880.538856][ T7704] addrconf_f6i_alloc+0x315/0x560 [12880.538856][ T7704] ipv6_add_addr+0x411/0x2000 [12880.538856][ T7704] inet6_addr_add+0x30e/0xa40 [12880.538856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12880.538856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12880.538856][ T7704] netlink_rcv_skb+0x130/0x360 [12880.538856][ T7704] netlink_unicast+0x449/0x710 [12880.538856][ T7704] netlink_sendmsg+0x723/0xbe0 [12880.538856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12880.538856][ T7704] ___sys_sendmsg+0xee/0x170 [12880.538856][ T7704] __sys_sendmsg+0xcd/0x170 [12880.538856][ T7704] do_syscall_64+0xc6/0x1e0 [12880.538856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12880.538856][ T7704] [12880.541087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12880.541087][ T7704] netdev_get_by_index+0x5e/0x80 [12880.541087][ T7704] fib6_nh_init+0x3d8/0x15b0 [12880.541087][ T7704] ip6_route_info_create+0xf18/0x17d0 [12880.541087][ T7704] ip6_route_add+0x1c/0x140 [12880.541087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12880.541087][ T7704] addrconf_add_dev+0xe2/0x170 [12880.541087][ T7704] inet6_addr_add+0x12f/0xa40 [12880.541087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12880.541087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12880.541087][ T7704] netlink_rcv_skb+0x130/0x360 [12880.541087][ T7704] netlink_unicast+0x449/0x710 [12880.541087][ T7704] netlink_sendmsg+0x723/0xbe0 [12880.541087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12880.541087][ T7704] ___sys_sendmsg+0xee/0x170 [12880.541087][ T7704] __sys_sendmsg+0xcd/0x170 [12880.541087][ T7704] do_syscall_64+0xc6/0x1e0 [12880.541087][ T7704] [12880.543276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12880.543276][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12880.543276][ T7704] ipv6_find_idev+0x102/0x170 [12880.543276][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12880.543276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12880.543276][ T7704] netlink_rcv_skb+0x130/0x360 [12880.543276][ T7704] netlink_unicast+0x449/0x710 [12880.543276][ T7704] netlink_sendmsg+0x723/0xbe0 [12880.543276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12880.543276][ T7704] ___sys_sendmsg+0xee/0x170 [12880.543276][ T7704] __sys_sendmsg+0xcd/0x170 [12880.543276][ T7704] do_syscall_64+0xc6/0x1e0 [12880.543276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12880.543276][ T7704] [12880.545093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12880.545093][ T7704] neigh_parms_alloc+0x1e5/0x510 [12880.545093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12880.545093][ T7704] ipv6_find_idev+0x102/0x170 [12880.545093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12880.545093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12880.545093][ T7704] netlink_rcv_skb+0x130/0x360 [12880.545093][ T7704] netlink_unicast+0x449/0x710 [12880.545093][ T7704] netlink_sendmsg+0x723/0xbe0 [12880.545093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12880.545093][ T7704] ___sys_sendmsg+0xee/0x170 [12880.545093][ T7704] __sys_sendmsg+0xcd/0x170 [12880.545093][ T7704] do_syscall_64+0xc6/0x1e0 [12880.545093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12880.545093][ T7704] [12890.783005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12890.784111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12890.784111][ T7704] netdev_get_by_index+0x5e/0x80 [12890.784111][ T7704] fib6_nh_init+0x3d8/0x15b0 [12890.784111][ T7704] ip6_route_info_create+0xf18/0x17d0 [12890.784111][ T7704] ip6_route_add+0x1c/0x140 [12890.784111][ T7704] addrconf_prefix_route+0x2a6/0x430 [12890.784111][ T7704] inet6_addr_add+0x4f8/0xa40 [12890.784111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12890.784111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12890.784111][ T7704] netlink_rcv_skb+0x130/0x360 [12890.784111][ T7704] netlink_unicast+0x449/0x710 [12890.784111][ T7704] netlink_sendmsg+0x723/0xbe0 [12890.784111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12890.784111][ T7704] ___sys_sendmsg+0xee/0x170 [12890.784111][ T7704] __sys_sendmsg+0xcd/0x170 [12890.784111][ T7704] do_syscall_64+0xc6/0x1e0 [12890.784111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12890.784111][ T7704] [12890.786319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12890.786319][ T7704] netdev_get_by_index+0x5e/0x80 [12890.786319][ T7704] fib6_nh_init+0x3d8/0x15b0 [12890.786319][ T7704] ip6_route_info_create+0xf18/0x17d0 [12890.786319][ T7704] addrconf_f6i_alloc+0x315/0x560 [12890.786319][ T7704] ipv6_add_addr+0x411/0x2000 [12890.786319][ T7704] inet6_addr_add+0x30e/0xa40 [12890.786319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12890.786319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12890.786319][ T7704] netlink_rcv_skb+0x130/0x360 [12890.786319][ T7704] netlink_unicast+0x449/0x710 [12890.786319][ T7704] netlink_sendmsg+0x723/0xbe0 [12890.786319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12890.786319][ T7704] ___sys_sendmsg+0xee/0x170 [12890.786319][ T7704] __sys_sendmsg+0xcd/0x170 [12890.786319][ T7704] do_syscall_64+0xc6/0x1e0 [12890.786319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12890.786319][ T7704] [12890.788568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12890.788568][ T7704] netdev_get_by_index+0x5e/0x80 [12890.788568][ T7704] fib6_nh_init+0x3d8/0x15b0 [12890.788568][ T7704] ip6_route_info_create+0xf18/0x17d0 [12890.788568][ T7704] ip6_route_add+0x1c/0x140 [12890.788568][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12890.788568][ T7704] addrconf_add_dev+0xe2/0x170 [12890.788568][ T7704] inet6_addr_add+0x12f/0xa40 [12890.788568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12890.788568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12890.788568][ T7704] netlink_rcv_skb+0x130/0x360 [12890.788568][ T7704] netlink_unicast+0x449/0x710 [12890.788568][ T7704] netlink_sendmsg+0x723/0xbe0 [12890.788568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12890.788568][ T7704] ___sys_sendmsg+0xee/0x170 [12890.788568][ T7704] __sys_sendmsg+0xcd/0x170 [12890.788568][ T7704] do_syscall_64+0xc6/0x1e0 [12890.788568][ T7704] [12890.790758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12890.790758][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12890.790758][ T7704] ipv6_find_idev+0x102/0x170 [12890.790758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12890.790758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12890.790758][ T7704] netlink_rcv_skb+0x130/0x360 [12890.790758][ T7704] netlink_unicast+0x449/0x710 [12890.790758][ T7704] netlink_sendmsg+0x723/0xbe0 [12890.790758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12890.790758][ T7704] ___sys_sendmsg+0xee/0x170 [12890.790758][ T7704] __sys_sendmsg+0xcd/0x170 [12890.790758][ T7704] do_syscall_64+0xc6/0x1e0 [12890.790758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12890.790758][ T7704] [12890.792454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12890.792454][ T7704] neigh_parms_alloc+0x1e5/0x510 [12890.792454][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12890.792454][ T7704] ipv6_find_idev+0x102/0x170 [12890.792454][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12890.792454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12890.792454][ T7704] netlink_rcv_skb+0x130/0x360 [12890.792454][ T7704] netlink_unicast+0x449/0x710 [12890.792454][ T7704] netlink_sendmsg+0x723/0xbe0 [12890.792454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12890.792454][ T7704] ___sys_sendmsg+0xee/0x170 [12890.792454][ T7704] __sys_sendmsg+0xcd/0x170 [12890.792454][ T7704] do_syscall_64+0xc6/0x1e0 [12890.792454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12890.792454][ T7704] [12901.031026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12901.032039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12901.032039][ T7704] netdev_get_by_index+0x5e/0x80 [12901.032039][ T7704] fib6_nh_init+0x3d8/0x15b0 [12901.032039][ T7704] ip6_route_info_create+0xf18/0x17d0 [12901.032039][ T7704] ip6_route_add+0x1c/0x140 [12901.032039][ T7704] addrconf_prefix_route+0x2a6/0x430 [12901.032039][ T7704] inet6_addr_add+0x4f8/0xa40 [12901.032039][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12901.032039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12901.032039][ T7704] netlink_rcv_skb+0x130/0x360 [12901.032039][ T7704] netlink_unicast+0x449/0x710 [12901.032039][ T7704] netlink_sendmsg+0x723/0xbe0 [12901.032039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12901.032039][ T7704] ___sys_sendmsg+0xee/0x170 [12901.032039][ T7704] __sys_sendmsg+0xcd/0x170 [12901.032039][ T7704] do_syscall_64+0xc6/0x1e0 [12901.032039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12901.032039][ T7704] [12901.034303][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12901.034303][ T7704] netdev_get_by_index+0x5e/0x80 [12901.034303][ T7704] fib6_nh_init+0x3d8/0x15b0 [12901.034303][ T7704] ip6_route_info_create+0xf18/0x17d0 [12901.034303][ T7704] addrconf_f6i_alloc+0x315/0x560 [12901.034303][ T7704] ipv6_add_addr+0x411/0x2000 [12901.034303][ T7704] inet6_addr_add+0x30e/0xa40 [12901.034303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12901.034303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12901.034303][ T7704] netlink_rcv_skb+0x130/0x360 [12901.034303][ T7704] netlink_unicast+0x449/0x710 [12901.034303][ T7704] netlink_sendmsg+0x723/0xbe0 [12901.034303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12901.034303][ T7704] ___sys_sendmsg+0xee/0x170 [12901.034303][ T7704] __sys_sendmsg+0xcd/0x170 [12901.034303][ T7704] do_syscall_64+0xc6/0x1e0 [12901.034303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12901.034303][ T7704] [12901.036541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12901.036541][ T7704] netdev_get_by_index+0x5e/0x80 [12901.036541][ T7704] fib6_nh_init+0x3d8/0x15b0 [12901.036541][ T7704] ip6_route_info_create+0xf18/0x17d0 [12901.036541][ T7704] ip6_route_add+0x1c/0x140 [12901.036541][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12901.036541][ T7704] addrconf_add_dev+0xe2/0x170 [12901.036541][ T7704] inet6_addr_add+0x12f/0xa40 [12901.036541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12901.036541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12901.036541][ T7704] netlink_rcv_skb+0x130/0x360 [12901.036541][ T7704] netlink_unicast+0x449/0x710 [12901.036541][ T7704] netlink_sendmsg+0x723/0xbe0 [12901.036541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12901.036541][ T7704] ___sys_sendmsg+0xee/0x170 [12901.036541][ T7704] __sys_sendmsg+0xcd/0x170 [12901.036541][ T7704] do_syscall_64+0xc6/0x1e0 [12901.036541][ T7704] [12901.038724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12901.038724][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12901.038724][ T7704] ipv6_find_idev+0x102/0x170 [12901.038724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12901.038724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12901.038724][ T7704] netlink_rcv_skb+0x130/0x360 [12901.038724][ T7704] netlink_unicast+0x449/0x710 [12901.038724][ T7704] netlink_sendmsg+0x723/0xbe0 [12901.038724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12901.038724][ T7704] ___sys_sendmsg+0xee/0x170 [12901.038724][ T7704] __sys_sendmsg+0xcd/0x170 [12901.038724][ T7704] do_syscall_64+0xc6/0x1e0 [12901.038724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12901.038724][ T7704] [12901.040453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12901.040453][ T7704] neigh_parms_alloc+0x1e5/0x510 [12901.040453][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12901.040453][ T7704] ipv6_find_idev+0x102/0x170 [12901.040453][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12901.040453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12901.040453][ T7704] netlink_rcv_skb+0x130/0x360 [12901.040453][ T7704] netlink_unicast+0x449/0x710 [12901.040453][ T7704] netlink_sendmsg+0x723/0xbe0 [12901.040453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12901.040453][ T7704] ___sys_sendmsg+0xee/0x170 [12901.040453][ T7704] __sys_sendmsg+0xcd/0x170 [12901.040453][ T7704] do_syscall_64+0xc6/0x1e0 [12901.040453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12901.040453][ T7704] [12911.047003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12911.048024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12911.048024][ T7704] netdev_get_by_index+0x5e/0x80 [12911.048024][ T7704] fib6_nh_init+0x3d8/0x15b0 [12911.048024][ T7704] ip6_route_info_create+0xf18/0x17d0 [12911.048024][ T7704] ip6_route_add+0x1c/0x140 [12911.048024][ T7704] addrconf_prefix_route+0x2a6/0x430 [12911.048024][ T7704] inet6_addr_add+0x4f8/0xa40 [12911.048024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12911.048024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12911.048024][ T7704] netlink_rcv_skb+0x130/0x360 [12911.048024][ T7704] netlink_unicast+0x449/0x710 [12911.048024][ T7704] netlink_sendmsg+0x723/0xbe0 [12911.048024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12911.048024][ T7704] ___sys_sendmsg+0xee/0x170 [12911.048024][ T7704] __sys_sendmsg+0xcd/0x170 [12911.048024][ T7704] do_syscall_64+0xc6/0x1e0 [12911.048024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12911.048024][ T7704] [12911.050310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12911.050310][ T7704] netdev_get_by_index+0x5e/0x80 [12911.050310][ T7704] fib6_nh_init+0x3d8/0x15b0 [12911.050310][ T7704] ip6_route_info_create+0xf18/0x17d0 [12911.050310][ T7704] addrconf_f6i_alloc+0x315/0x560 [12911.050310][ T7704] ipv6_add_addr+0x411/0x2000 [12911.050310][ T7704] inet6_addr_add+0x30e/0xa40 [12911.050310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12911.050310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12911.050310][ T7704] netlink_rcv_skb+0x130/0x360 [12911.050310][ T7704] netlink_unicast+0x449/0x710 [12911.050310][ T7704] netlink_sendmsg+0x723/0xbe0 [12911.050310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12911.050310][ T7704] ___sys_sendmsg+0xee/0x170 [12911.050310][ T7704] __sys_sendmsg+0xcd/0x170 [12911.050310][ T7704] do_syscall_64+0xc6/0x1e0 [12911.050310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12911.050310][ T7704] [12911.052534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12911.052534][ T7704] netdev_get_by_index+0x5e/0x80 [12911.052534][ T7704] fib6_nh_init+0x3d8/0x15b0 [12911.052534][ T7704] ip6_route_info_create+0xf18/0x17d0 [12911.052534][ T7704] ip6_route_add+0x1c/0x140 [12911.052534][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12911.052534][ T7704] addrconf_add_dev+0xe2/0x170 [12911.052534][ T7704] inet6_addr_add+0x12f/0xa40 [12911.052534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12911.052534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12911.052534][ T7704] netlink_rcv_skb+0x130/0x360 [12911.052534][ T7704] netlink_unicast+0x449/0x710 [12911.052534][ T7704] netlink_sendmsg+0x723/0xbe0 [12911.052534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12911.052534][ T7704] ___sys_sendmsg+0xee/0x170 [12911.052534][ T7704] __sys_sendmsg+0xcd/0x170 [12911.052534][ T7704] do_syscall_64+0xc6/0x1e0 [12911.052534][ T7704] [12911.054708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12911.054708][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12911.054708][ T7704] ipv6_find_idev+0x102/0x170 [12911.054708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12911.054708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12911.054708][ T7704] netlink_rcv_skb+0x130/0x360 [12911.054708][ T7704] netlink_unicast+0x449/0x710 [12911.054708][ T7704] netlink_sendmsg+0x723/0xbe0 [12911.054708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12911.054708][ T7704] ___sys_sendmsg+0xee/0x170 [12911.054708][ T7704] __sys_sendmsg+0xcd/0x170 [12911.054708][ T7704] do_syscall_64+0xc6/0x1e0 [12911.054708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12911.054708][ T7704] [12911.056413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12911.056413][ T7704] neigh_parms_alloc+0x1e5/0x510 [12911.056413][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12911.056413][ T7704] ipv6_find_idev+0x102/0x170 [12911.056413][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12911.056413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12911.056413][ T7704] netlink_rcv_skb+0x130/0x360 [12911.056413][ T7704] netlink_unicast+0x449/0x710 [12911.056413][ T7704] netlink_sendmsg+0x723/0xbe0 [12911.056413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12911.056413][ T7704] ___sys_sendmsg+0xee/0x170 [12911.056413][ T7704] __sys_sendmsg+0xcd/0x170 [12911.056413][ T7704] do_syscall_64+0xc6/0x1e0 [12911.056413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12911.056413][ T7704] [12921.159014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12921.160035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12921.160035][ T7704] netdev_get_by_index+0x5e/0x80 [12921.160035][ T7704] fib6_nh_init+0x3d8/0x15b0 [12921.160035][ T7704] ip6_route_info_create+0xf18/0x17d0 [12921.160035][ T7704] ip6_route_add+0x1c/0x140 [12921.160035][ T7704] addrconf_prefix_route+0x2a6/0x430 [12921.160035][ T7704] inet6_addr_add+0x4f8/0xa40 [12921.160035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12921.160035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12921.160035][ T7704] netlink_rcv_skb+0x130/0x360 [12921.160035][ T7704] netlink_unicast+0x449/0x710 [12921.160035][ T7704] netlink_sendmsg+0x723/0xbe0 [12921.160035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12921.160035][ T7704] ___sys_sendmsg+0xee/0x170 [12921.160035][ T7704] __sys_sendmsg+0xcd/0x170 [12921.160035][ T7704] do_syscall_64+0xc6/0x1e0 [12921.160035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12921.160035][ T7704] [12921.162772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12921.162772][ T7704] netdev_get_by_index+0x5e/0x80 [12921.162772][ T7704] fib6_nh_init+0x3d8/0x15b0 [12921.162772][ T7704] ip6_route_info_create+0xf18/0x17d0 [12921.162772][ T7704] addrconf_f6i_alloc+0x315/0x560 [12921.162772][ T7704] ipv6_add_addr+0x411/0x2000 [12921.162772][ T7704] inet6_addr_add+0x30e/0xa40 [12921.162772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12921.162772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12921.162772][ T7704] netlink_rcv_skb+0x130/0x360 [12921.162772][ T7704] netlink_unicast+0x449/0x710 [12921.162772][ T7704] netlink_sendmsg+0x723/0xbe0 [12921.162772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12921.162772][ T7704] ___sys_sendmsg+0xee/0x170 [12921.162772][ T7704] __sys_sendmsg+0xcd/0x170 [12921.162772][ T7704] do_syscall_64+0xc6/0x1e0 [12921.162772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12921.162772][ T7704] [12921.164969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12921.164969][ T7704] netdev_get_by_index+0x5e/0x80 [12921.164969][ T7704] fib6_nh_init+0x3d8/0x15b0 [12921.164969][ T7704] ip6_route_info_create+0xf18/0x17d0 [12921.164969][ T7704] ip6_route_add+0x1c/0x140 [12921.164969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12921.164969][ T7704] addrconf_add_dev+0xe2/0x170 [12921.164969][ T7704] inet6_addr_add+0x12f/0xa40 [12921.164969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12921.164969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12921.164969][ T7704] netlink_rcv_skb+0x130/0x360 [12921.164969][ T7704] netlink_unicast+0x449/0x710 [12921.164969][ T7704] netlink_sendmsg+0x723/0xbe0 [12921.164969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12921.164969][ T7704] ___sys_sendmsg+0xee/0x170 [12921.164969][ T7704] __sys_sendmsg+0xcd/0x170 [12921.164969][ T7704] do_syscall_64+0xc6/0x1e0 [12921.164969][ T7704] [12921.167100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12921.167100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12921.167100][ T7704] ipv6_find_idev+0x102/0x170 [12921.167100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12921.167100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12921.167100][ T7704] netlink_rcv_skb+0x130/0x360 [12921.167100][ T7704] netlink_unicast+0x449/0x710 [12921.167100][ T7704] netlink_sendmsg+0x723/0xbe0 [12921.167100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12921.167100][ T7704] ___sys_sendmsg+0xee/0x170 [12921.167100][ T7704] __sys_sendmsg+0xcd/0x170 [12921.167100][ T7704] do_syscall_64+0xc6/0x1e0 [12921.167100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12921.167100][ T7704] [12921.168822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12921.168822][ T7704] neigh_parms_alloc+0x1e5/0x510 [12921.168822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12921.168822][ T7704] ipv6_find_idev+0x102/0x170 [12921.168822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12921.168822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12921.168822][ T7704] netlink_rcv_skb+0x130/0x360 [12921.168822][ T7704] netlink_unicast+0x449/0x710 [12921.168822][ T7704] netlink_sendmsg+0x723/0xbe0 [12921.168822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12921.168822][ T7704] ___sys_sendmsg+0xee/0x170 [12921.168822][ T7704] __sys_sendmsg+0xcd/0x170 [12921.168822][ T7704] do_syscall_64+0xc6/0x1e0 [12921.168822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12921.168822][ T7704] [12931.350929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12931.351439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12931.351439][ T7704] netdev_get_by_index+0x5e/0x80 [12931.351439][ T7704] fib6_nh_init+0x3d8/0x15b0 [12931.351439][ T7704] ip6_route_info_create+0xf18/0x17d0 [12931.351439][ T7704] ip6_route_add+0x1c/0x140 [12931.351439][ T7704] addrconf_prefix_route+0x2a6/0x430 [12931.351439][ T7704] inet6_addr_add+0x4f8/0xa40 [12931.351439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12931.351439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12931.351439][ T7704] netlink_rcv_skb+0x130/0x360 [12931.351439][ T7704] netlink_unicast+0x449/0x710 [12931.351439][ T7704] netlink_sendmsg+0x723/0xbe0 [12931.351439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12931.351439][ T7704] ___sys_sendmsg+0xee/0x170 [12931.351439][ T7704] __sys_sendmsg+0xcd/0x170 [12931.351439][ T7704] do_syscall_64+0xc6/0x1e0 [12931.351439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12931.351439][ T7704] [12931.353772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12931.353772][ T7704] netdev_get_by_index+0x5e/0x80 [12931.353772][ T7704] fib6_nh_init+0x3d8/0x15b0 [12931.353772][ T7704] ip6_route_info_create+0xf18/0x17d0 [12931.353772][ T7704] addrconf_f6i_alloc+0x315/0x560 [12931.353772][ T7704] ipv6_add_addr+0x411/0x2000 [12931.353772][ T7704] inet6_addr_add+0x30e/0xa40 [12931.353772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12931.353772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12931.353772][ T7704] netlink_rcv_skb+0x130/0x360 [12931.353772][ T7704] netlink_unicast+0x449/0x710 [12931.353772][ T7704] netlink_sendmsg+0x723/0xbe0 [12931.353772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12931.353772][ T7704] ___sys_sendmsg+0xee/0x170 [12931.353772][ T7704] __sys_sendmsg+0xcd/0x170 [12931.353772][ T7704] do_syscall_64+0xc6/0x1e0 [12931.353772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12931.353772][ T7704] [12931.356091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12931.356091][ T7704] netdev_get_by_index+0x5e/0x80 [12931.356091][ T7704] fib6_nh_init+0x3d8/0x15b0 [12931.356091][ T7704] ip6_route_info_create+0xf18/0x17d0 [12931.356091][ T7704] ip6_route_add+0x1c/0x140 [12931.356091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12931.356091][ T7704] addrconf_add_dev+0xe2/0x170 [12931.356091][ T7704] inet6_addr_add+0x12f/0xa40 [12931.356091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12931.356091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12931.356091][ T7704] netlink_rcv_skb+0x130/0x360 [12931.356091][ T7704] netlink_unicast+0x449/0x710 [12931.356091][ T7704] netlink_sendmsg+0x723/0xbe0 [12931.356091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12931.356091][ T7704] ___sys_sendmsg+0xee/0x170 [12931.356091][ T7704] __sys_sendmsg+0xcd/0x170 [12931.356091][ T7704] do_syscall_64+0xc6/0x1e0 [12931.356091][ T7704] [12931.358399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12931.358399][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12931.358399][ T7704] ipv6_find_idev+0x102/0x170 [12931.358399][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12931.358399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12931.358399][ T7704] netlink_rcv_skb+0x130/0x360 [12931.358399][ T7704] netlink_unicast+0x449/0x710 [12931.358399][ T7704] netlink_sendmsg+0x723/0xbe0 [12931.358399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12931.358399][ T7704] ___sys_sendmsg+0xee/0x170 [12931.358399][ T7704] __sys_sendmsg+0xcd/0x170 [12931.358399][ T7704] do_syscall_64+0xc6/0x1e0 [12931.358399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12931.358399][ T7704] [12931.360207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12931.360207][ T7704] neigh_parms_alloc+0x1e5/0x510 [12931.360207][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12931.360207][ T7704] ipv6_find_idev+0x102/0x170 [12931.360207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12931.360207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12931.360207][ T7704] netlink_rcv_skb+0x130/0x360 [12931.360207][ T7704] netlink_unicast+0x449/0x710 [12931.360207][ T7704] netlink_sendmsg+0x723/0xbe0 [12931.360207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12931.360207][ T7704] ___sys_sendmsg+0xee/0x170 [12931.360207][ T7704] __sys_sendmsg+0xcd/0x170 [12931.360207][ T7704] do_syscall_64+0xc6/0x1e0 [12931.360207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12931.360207][ T7704] [12941.399020][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12941.400886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12941.400886][ T7704] netdev_get_by_index+0x5e/0x80 [12941.400886][ T7704] fib6_nh_init+0x3d8/0x15b0 [12941.400886][ T7704] ip6_route_info_create+0xf18/0x17d0 [12941.400886][ T7704] ip6_route_add+0x1c/0x140 [12941.400886][ T7704] addrconf_prefix_route+0x2a6/0x430 [12941.400886][ T7704] inet6_addr_add+0x4f8/0xa40 [12941.400886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12941.400886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12941.400886][ T7704] netlink_rcv_skb+0x130/0x360 [12941.400886][ T7704] netlink_unicast+0x449/0x710 [12941.400886][ T7704] netlink_sendmsg+0x723/0xbe0 [12941.400886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12941.400886][ T7704] ___sys_sendmsg+0xee/0x170 [12941.400886][ T7704] __sys_sendmsg+0xcd/0x170 [12941.400886][ T7704] do_syscall_64+0xc6/0x1e0 [12941.400886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12941.400886][ T7704] [12941.403238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12941.403238][ T7704] netdev_get_by_index+0x5e/0x80 [12941.403238][ T7704] fib6_nh_init+0x3d8/0x15b0 [12941.403238][ T7704] ip6_route_info_create+0xf18/0x17d0 [12941.403238][ T7704] addrconf_f6i_alloc+0x315/0x560 [12941.403238][ T7704] ipv6_add_addr+0x411/0x2000 [12941.403238][ T7704] inet6_addr_add+0x30e/0xa40 [12941.403238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12941.403238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12941.403238][ T7704] netlink_rcv_skb+0x130/0x360 [12941.403238][ T7704] netlink_unicast+0x449/0x710 [12941.403238][ T7704] netlink_sendmsg+0x723/0xbe0 [12941.403238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12941.403238][ T7704] ___sys_sendmsg+0xee/0x170 [12941.403238][ T7704] __sys_sendmsg+0xcd/0x170 [12941.403238][ T7704] do_syscall_64+0xc6/0x1e0 [12941.403238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12941.403238][ T7704] [12941.405489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12941.405489][ T7704] netdev_get_by_index+0x5e/0x80 [12941.405489][ T7704] fib6_nh_init+0x3d8/0x15b0 [12941.405489][ T7704] ip6_route_info_create+0xf18/0x17d0 [12941.405489][ T7704] ip6_route_add+0x1c/0x140 [12941.405489][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12941.405489][ T7704] addrconf_add_dev+0xe2/0x170 [12941.405489][ T7704] inet6_addr_add+0x12f/0xa40 [12941.405489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12941.405489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12941.405489][ T7704] netlink_rcv_skb+0x130/0x360 [12941.405489][ T7704] netlink_unicast+0x449/0x710 [12941.405489][ T7704] netlink_sendmsg+0x723/0xbe0 [12941.405489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12941.405489][ T7704] ___sys_sendmsg+0xee/0x170 [12941.405489][ T7704] __sys_sendmsg+0xcd/0x170 [12941.405489][ T7704] do_syscall_64+0xc6/0x1e0 [12941.405489][ T7704] [12941.407705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12941.407705][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12941.407705][ T7704] ipv6_find_idev+0x102/0x170 [12941.407705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12941.407705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12941.407705][ T7704] netlink_rcv_skb+0x130/0x360 [12941.407705][ T7704] netlink_unicast+0x449/0x710 [12941.407705][ T7704] netlink_sendmsg+0x723/0xbe0 [12941.407705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12941.407705][ T7704] ___sys_sendmsg+0xee/0x170 [12941.407705][ T7704] __sys_sendmsg+0xcd/0x170 [12941.407705][ T7704] do_syscall_64+0xc6/0x1e0 [12941.407705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12941.407705][ T7704] [12941.409475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12941.409475][ T7704] neigh_parms_alloc+0x1e5/0x510 [12941.409475][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12941.409475][ T7704] ipv6_find_idev+0x102/0x170 [12941.409475][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12941.409475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12941.409475][ T7704] netlink_rcv_skb+0x130/0x360 [12941.409475][ T7704] netlink_unicast+0x449/0x710 [12941.409475][ T7704] netlink_sendmsg+0x723/0xbe0 [12941.409475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12941.409475][ T7704] ___sys_sendmsg+0xee/0x170 [12941.409475][ T7704] __sys_sendmsg+0xcd/0x170 [12941.409475][ T7704] do_syscall_64+0xc6/0x1e0 [12941.409475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12941.409475][ T7704] [12951.591004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12951.592062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12951.592062][ T7704] netdev_get_by_index+0x5e/0x80 [12951.592062][ T7704] fib6_nh_init+0x3d8/0x15b0 [12951.592062][ T7704] ip6_route_info_create+0xf18/0x17d0 [12951.592062][ T7704] ip6_route_add+0x1c/0x140 [12951.592062][ T7704] addrconf_prefix_route+0x2a6/0x430 [12951.592062][ T7704] inet6_addr_add+0x4f8/0xa40 [12951.592062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12951.592062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12951.592062][ T7704] netlink_rcv_skb+0x130/0x360 [12951.592062][ T7704] netlink_unicast+0x449/0x710 [12951.592062][ T7704] netlink_sendmsg+0x723/0xbe0 [12951.592062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12951.592062][ T7704] ___sys_sendmsg+0xee/0x170 [12951.592062][ T7704] __sys_sendmsg+0xcd/0x170 [12951.592062][ T7704] do_syscall_64+0xc6/0x1e0 [12951.592062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12951.592062][ T7704] [12951.594334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12951.594334][ T7704] netdev_get_by_index+0x5e/0x80 [12951.594334][ T7704] fib6_nh_init+0x3d8/0x15b0 [12951.594334][ T7704] ip6_route_info_create+0xf18/0x17d0 [12951.594334][ T7704] addrconf_f6i_alloc+0x315/0x560 [12951.594334][ T7704] ipv6_add_addr+0x411/0x2000 [12951.594334][ T7704] inet6_addr_add+0x30e/0xa40 [12951.594334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12951.594334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12951.594334][ T7704] netlink_rcv_skb+0x130/0x360 [12951.594334][ T7704] netlink_unicast+0x449/0x710 [12951.594334][ T7704] netlink_sendmsg+0x723/0xbe0 [12951.594334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12951.594334][ T7704] ___sys_sendmsg+0xee/0x170 [12951.594334][ T7704] __sys_sendmsg+0xcd/0x170 [12951.594334][ T7704] do_syscall_64+0xc6/0x1e0 [12951.594334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12951.594334][ T7704] [12951.596559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12951.596559][ T7704] netdev_get_by_index+0x5e/0x80 [12951.596559][ T7704] fib6_nh_init+0x3d8/0x15b0 [12951.596559][ T7704] ip6_route_info_create+0xf18/0x17d0 [12951.596559][ T7704] ip6_route_add+0x1c/0x140 [12951.596559][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12951.596559][ T7704] addrconf_add_dev+0xe2/0x170 [12951.596559][ T7704] inet6_addr_add+0x12f/0xa40 [12951.596559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12951.596559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12951.596559][ T7704] netlink_rcv_skb+0x130/0x360 [12951.596559][ T7704] netlink_unicast+0x449/0x710 [12951.596559][ T7704] netlink_sendmsg+0x723/0xbe0 [12951.596559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12951.596559][ T7704] ___sys_sendmsg+0xee/0x170 [12951.596559][ T7704] __sys_sendmsg+0xcd/0x170 [12951.596559][ T7704] do_syscall_64+0xc6/0x1e0 [12951.596559][ T7704] [12951.598713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12951.598713][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12951.598713][ T7704] ipv6_find_idev+0x102/0x170 [12951.598713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12951.598713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12951.598713][ T7704] netlink_rcv_skb+0x130/0x360 [12951.598713][ T7704] netlink_unicast+0x449/0x710 [12951.598713][ T7704] netlink_sendmsg+0x723/0xbe0 [12951.598713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12951.598713][ T7704] ___sys_sendmsg+0xee/0x170 [12951.598713][ T7704] __sys_sendmsg+0xcd/0x170 [12951.598713][ T7704] do_syscall_64+0xc6/0x1e0 [12951.598713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12951.598713][ T7704] [12951.600423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12951.600423][ T7704] neigh_parms_alloc+0x1e5/0x510 [12951.600423][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12951.600423][ T7704] ipv6_find_idev+0x102/0x170 [12951.600423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12951.600423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12951.600423][ T7704] netlink_rcv_skb+0x130/0x360 [12951.600423][ T7704] netlink_unicast+0x449/0x710 [12951.600423][ T7704] netlink_sendmsg+0x723/0xbe0 [12951.600423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12951.600423][ T7704] ___sys_sendmsg+0xee/0x170 [12951.600423][ T7704] __sys_sendmsg+0xcd/0x170 [12951.600423][ T7704] do_syscall_64+0xc6/0x1e0 [12951.600423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12951.600423][ T7704] [12961.631101][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12961.632053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12961.632053][ T7704] netdev_get_by_index+0x5e/0x80 [12961.632053][ T7704] fib6_nh_init+0x3d8/0x15b0 [12961.632053][ T7704] ip6_route_info_create+0xf18/0x17d0 [12961.632053][ T7704] ip6_route_add+0x1c/0x140 [12961.632053][ T7704] addrconf_prefix_route+0x2a6/0x430 [12961.632053][ T7704] inet6_addr_add+0x4f8/0xa40 [12961.632053][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12961.632053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12961.632053][ T7704] netlink_rcv_skb+0x130/0x360 [12961.632053][ T7704] netlink_unicast+0x449/0x710 [12961.632053][ T7704] netlink_sendmsg+0x723/0xbe0 [12961.632053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12961.632053][ T7704] ___sys_sendmsg+0xee/0x170 [12961.632053][ T7704] __sys_sendmsg+0xcd/0x170 [12961.632053][ T7704] do_syscall_64+0xc6/0x1e0 [12961.632053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12961.632053][ T7704] [12961.634339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12961.634339][ T7704] netdev_get_by_index+0x5e/0x80 [12961.634339][ T7704] fib6_nh_init+0x3d8/0x15b0 [12961.634339][ T7704] ip6_route_info_create+0xf18/0x17d0 [12961.634339][ T7704] addrconf_f6i_alloc+0x315/0x560 [12961.634339][ T7704] ipv6_add_addr+0x411/0x2000 [12961.634339][ T7704] inet6_addr_add+0x30e/0xa40 [12961.634339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12961.634339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12961.634339][ T7704] netlink_rcv_skb+0x130/0x360 [12961.634339][ T7704] netlink_unicast+0x449/0x710 [12961.634339][ T7704] netlink_sendmsg+0x723/0xbe0 [12961.634339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12961.634339][ T7704] ___sys_sendmsg+0xee/0x170 [12961.634339][ T7704] __sys_sendmsg+0xcd/0x170 [12961.634339][ T7704] do_syscall_64+0xc6/0x1e0 [12961.634339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12961.634339][ T7704] [12961.636499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12961.636499][ T7704] netdev_get_by_index+0x5e/0x80 [12961.636499][ T7704] fib6_nh_init+0x3d8/0x15b0 [12961.636499][ T7704] ip6_route_info_create+0xf18/0x17d0 [12961.636499][ T7704] ip6_route_add+0x1c/0x140 [12961.636499][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12961.636499][ T7704] addrconf_add_dev+0xe2/0x170 [12961.636499][ T7704] inet6_addr_add+0x12f/0xa40 [12961.636499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12961.636499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12961.636499][ T7704] netlink_rcv_skb+0x130/0x360 [12961.636499][ T7704] netlink_unicast+0x449/0x710 [12961.636499][ T7704] netlink_sendmsg+0x723/0xbe0 [12961.636499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12961.636499][ T7704] ___sys_sendmsg+0xee/0x170 [12961.636499][ T7704] __sys_sendmsg+0xcd/0x170 [12961.636499][ T7704] do_syscall_64+0xc6/0x1e0 [12961.636499][ T7704] [12961.638666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12961.638666][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12961.638666][ T7704] ipv6_find_idev+0x102/0x170 [12961.638666][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12961.638666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12961.638666][ T7704] netlink_rcv_skb+0x130/0x360 [12961.638666][ T7704] netlink_unicast+0x449/0x710 [12961.638666][ T7704] netlink_sendmsg+0x723/0xbe0 [12961.638666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12961.638666][ T7704] ___sys_sendmsg+0xee/0x170 [12961.638666][ T7704] __sys_sendmsg+0xcd/0x170 [12961.638666][ T7704] do_syscall_64+0xc6/0x1e0 [12961.638666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12961.638666][ T7704] [12961.640385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12961.640385][ T7704] neigh_parms_alloc+0x1e5/0x510 [12961.640385][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12961.640385][ T7704] ipv6_find_idev+0x102/0x170 [12961.640385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12961.640385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12961.640385][ T7704] netlink_rcv_skb+0x130/0x360 [12961.640385][ T7704] netlink_unicast+0x449/0x710 [12961.640385][ T7704] netlink_sendmsg+0x723/0xbe0 [12961.640385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12961.640385][ T7704] ___sys_sendmsg+0xee/0x170 [12961.640385][ T7704] __sys_sendmsg+0xcd/0x170 [12961.640385][ T7704] do_syscall_64+0xc6/0x1e0 [12961.640385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12961.640385][ T7704] [12971.711093][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12971.712038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12971.712038][ T7704] netdev_get_by_index+0x5e/0x80 [12971.712038][ T7704] fib6_nh_init+0x3d8/0x15b0 [12971.712038][ T7704] ip6_route_info_create+0xf18/0x17d0 [12971.712038][ T7704] ip6_route_add+0x1c/0x140 [12971.712038][ T7704] addrconf_prefix_route+0x2a6/0x430 [12971.712038][ T7704] inet6_addr_add+0x4f8/0xa40 [12971.712038][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12971.712038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12971.712038][ T7704] netlink_rcv_skb+0x130/0x360 [12971.712038][ T7704] netlink_unicast+0x449/0x710 [12971.712038][ T7704] netlink_sendmsg+0x723/0xbe0 [12971.712038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12971.712038][ T7704] ___sys_sendmsg+0xee/0x170 [12971.712038][ T7704] __sys_sendmsg+0xcd/0x170 [12971.712038][ T7704] do_syscall_64+0xc6/0x1e0 [12971.712038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12971.712038][ T7704] [12971.714277][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12971.714277][ T7704] netdev_get_by_index+0x5e/0x80 [12971.714277][ T7704] fib6_nh_init+0x3d8/0x15b0 [12971.714277][ T7704] ip6_route_info_create+0xf18/0x17d0 [12971.714277][ T7704] addrconf_f6i_alloc+0x315/0x560 [12971.714277][ T7704] ipv6_add_addr+0x411/0x2000 [12971.714277][ T7704] inet6_addr_add+0x30e/0xa40 [12971.714277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12971.714277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12971.714277][ T7704] netlink_rcv_skb+0x130/0x360 [12971.714277][ T7704] netlink_unicast+0x449/0x710 [12971.714277][ T7704] netlink_sendmsg+0x723/0xbe0 [12971.714277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12971.714277][ T7704] ___sys_sendmsg+0xee/0x170 [12971.714277][ T7704] __sys_sendmsg+0xcd/0x170 [12971.714277][ T7704] do_syscall_64+0xc6/0x1e0 [12971.714277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12971.714277][ T7704] [12971.716504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12971.716504][ T7704] netdev_get_by_index+0x5e/0x80 [12971.716504][ T7704] fib6_nh_init+0x3d8/0x15b0 [12971.716504][ T7704] ip6_route_info_create+0xf18/0x17d0 [12971.716504][ T7704] ip6_route_add+0x1c/0x140 [12971.716504][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12971.716504][ T7704] addrconf_add_dev+0xe2/0x170 [12971.716504][ T7704] inet6_addr_add+0x12f/0xa40 [12971.716504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12971.716504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12971.716504][ T7704] netlink_rcv_skb+0x130/0x360 [12971.716504][ T7704] netlink_unicast+0x449/0x710 [12971.716504][ T7704] netlink_sendmsg+0x723/0xbe0 [12971.716504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12971.716504][ T7704] ___sys_sendmsg+0xee/0x170 [12971.716504][ T7704] __sys_sendmsg+0xcd/0x170 [12971.716504][ T7704] do_syscall_64+0xc6/0x1e0 [12971.716504][ T7704] [12971.718689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12971.718689][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12971.718689][ T7704] ipv6_find_idev+0x102/0x170 [12971.718689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12971.718689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12971.718689][ T7704] netlink_rcv_skb+0x130/0x360 [12971.718689][ T7704] netlink_unicast+0x449/0x710 [12971.718689][ T7704] netlink_sendmsg+0x723/0xbe0 [12971.718689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12971.718689][ T7704] ___sys_sendmsg+0xee/0x170 [12971.718689][ T7704] __sys_sendmsg+0xcd/0x170 [12971.718689][ T7704] do_syscall_64+0xc6/0x1e0 [12971.718689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12971.718689][ T7704] [12971.720403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12971.720403][ T7704] neigh_parms_alloc+0x1e5/0x510 [12971.720403][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12971.720403][ T7704] ipv6_find_idev+0x102/0x170 [12971.720403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12971.720403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12971.720403][ T7704] netlink_rcv_skb+0x130/0x360 [12971.720403][ T7704] netlink_unicast+0x449/0x710 [12971.720403][ T7704] netlink_sendmsg+0x723/0xbe0 [12971.720403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12971.720403][ T7704] ___sys_sendmsg+0xee/0x170 [12971.720403][ T7704] __sys_sendmsg+0xcd/0x170 [12971.720403][ T7704] do_syscall_64+0xc6/0x1e0 [12971.720403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12971.720403][ T7704] [12981.750960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12981.751437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12981.751437][ T7704] netdev_get_by_index+0x5e/0x80 [12981.751437][ T7704] fib6_nh_init+0x3d8/0x15b0 [12981.751437][ T7704] ip6_route_info_create+0xf18/0x17d0 [12981.751437][ T7704] ip6_route_add+0x1c/0x140 [12981.751437][ T7704] addrconf_prefix_route+0x2a6/0x430 [12981.751437][ T7704] inet6_addr_add+0x4f8/0xa40 [12981.751437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12981.751437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12981.751437][ T7704] netlink_rcv_skb+0x130/0x360 [12981.751437][ T7704] netlink_unicast+0x449/0x710 [12981.751437][ T7704] netlink_sendmsg+0x723/0xbe0 [12981.751437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12981.751437][ T7704] ___sys_sendmsg+0xee/0x170 [12981.751437][ T7704] __sys_sendmsg+0xcd/0x170 [12981.751437][ T7704] do_syscall_64+0xc6/0x1e0 [12981.751437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12981.751437][ T7704] [12981.753676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12981.753676][ T7704] netdev_get_by_index+0x5e/0x80 [12981.753676][ T7704] fib6_nh_init+0x3d8/0x15b0 [12981.753676][ T7704] ip6_route_info_create+0xf18/0x17d0 [12981.753676][ T7704] addrconf_f6i_alloc+0x315/0x560 [12981.753676][ T7704] ipv6_add_addr+0x411/0x2000 [12981.753676][ T7704] inet6_addr_add+0x30e/0xa40 [12981.753676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12981.753676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12981.753676][ T7704] netlink_rcv_skb+0x130/0x360 [12981.753676][ T7704] netlink_unicast+0x449/0x710 [12981.753676][ T7704] netlink_sendmsg+0x723/0xbe0 [12981.753676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12981.753676][ T7704] ___sys_sendmsg+0xee/0x170 [12981.753676][ T7704] __sys_sendmsg+0xcd/0x170 [12981.753676][ T7704] do_syscall_64+0xc6/0x1e0 [12981.753676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12981.753676][ T7704] [12981.755888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12981.755888][ T7704] netdev_get_by_index+0x5e/0x80 [12981.755888][ T7704] fib6_nh_init+0x3d8/0x15b0 [12981.755888][ T7704] ip6_route_info_create+0xf18/0x17d0 [12981.755888][ T7704] ip6_route_add+0x1c/0x140 [12981.755888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12981.755888][ T7704] addrconf_add_dev+0xe2/0x170 [12981.755888][ T7704] inet6_addr_add+0x12f/0xa40 [12981.755888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12981.755888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12981.755888][ T7704] netlink_rcv_skb+0x130/0x360 [12981.755888][ T7704] netlink_unicast+0x449/0x710 [12981.755888][ T7704] netlink_sendmsg+0x723/0xbe0 [12981.755888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12981.755888][ T7704] ___sys_sendmsg+0xee/0x170 [12981.755888][ T7704] __sys_sendmsg+0xcd/0x170 [12981.755888][ T7704] do_syscall_64+0xc6/0x1e0 [12981.755888][ T7704] [12981.758020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12981.758020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12981.758020][ T7704] ipv6_find_idev+0x102/0x170 [12981.758020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12981.758020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12981.758020][ T7704] netlink_rcv_skb+0x130/0x360 [12981.758020][ T7704] netlink_unicast+0x449/0x710 [12981.758020][ T7704] netlink_sendmsg+0x723/0xbe0 [12981.758020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12981.758020][ T7704] ___sys_sendmsg+0xee/0x170 [12981.758020][ T7704] __sys_sendmsg+0xcd/0x170 [12981.758020][ T7704] do_syscall_64+0xc6/0x1e0 [12981.758020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12981.758020][ T7704] [12981.759742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12981.759742][ T7704] neigh_parms_alloc+0x1e5/0x510 [12981.759742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12981.759742][ T7704] ipv6_find_idev+0x102/0x170 [12981.759742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12981.759742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12981.759742][ T7704] netlink_rcv_skb+0x130/0x360 [12981.759742][ T7704] netlink_unicast+0x449/0x710 [12981.759742][ T7704] netlink_sendmsg+0x723/0xbe0 [12981.759742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12981.759742][ T7704] ___sys_sendmsg+0xee/0x170 [12981.759742][ T7704] __sys_sendmsg+0xcd/0x170 [12981.759742][ T7704] do_syscall_64+0xc6/0x1e0 [12981.759742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12981.759742][ T7704] [12991.998945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12992.000081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12992.000081][ T7704] netdev_get_by_index+0x5e/0x80 [12992.000081][ T7704] fib6_nh_init+0x3d8/0x15b0 [12992.000081][ T7704] ip6_route_info_create+0xf18/0x17d0 [12992.000081][ T7704] ip6_route_add+0x1c/0x140 [12992.000081][ T7704] addrconf_prefix_route+0x2a6/0x430 [12992.000081][ T7704] inet6_addr_add+0x4f8/0xa40 [12992.000081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12992.000081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12992.000081][ T7704] netlink_rcv_skb+0x130/0x360 [12992.000081][ T7704] netlink_unicast+0x449/0x710 [12992.000081][ T7704] netlink_sendmsg+0x723/0xbe0 [12992.000081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12992.000081][ T7704] ___sys_sendmsg+0xee/0x170 [12992.000081][ T7704] __sys_sendmsg+0xcd/0x170 [12992.000081][ T7704] do_syscall_64+0xc6/0x1e0 [12992.000081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12992.000081][ T7704] [12992.002320][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12992.002320][ T7704] netdev_get_by_index+0x5e/0x80 [12992.002320][ T7704] fib6_nh_init+0x3d8/0x15b0 [12992.002320][ T7704] ip6_route_info_create+0xf18/0x17d0 [12992.002320][ T7704] addrconf_f6i_alloc+0x315/0x560 [12992.002320][ T7704] ipv6_add_addr+0x411/0x2000 [12992.002320][ T7704] inet6_addr_add+0x30e/0xa40 [12992.002320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12992.002320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12992.002320][ T7704] netlink_rcv_skb+0x130/0x360 [12992.002320][ T7704] netlink_unicast+0x449/0x710 [12992.002320][ T7704] netlink_sendmsg+0x723/0xbe0 [12992.002320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12992.002320][ T7704] ___sys_sendmsg+0xee/0x170 [12992.002320][ T7704] __sys_sendmsg+0xcd/0x170 [12992.002320][ T7704] do_syscall_64+0xc6/0x1e0 [12992.002320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12992.002320][ T7704] [12992.004528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12992.004528][ T7704] netdev_get_by_index+0x5e/0x80 [12992.004528][ T7704] fib6_nh_init+0x3d8/0x15b0 [12992.004528][ T7704] ip6_route_info_create+0xf18/0x17d0 [12992.004528][ T7704] ip6_route_add+0x1c/0x140 [12992.004528][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12992.004528][ T7704] addrconf_add_dev+0xe2/0x170 [12992.004528][ T7704] inet6_addr_add+0x12f/0xa40 [12992.004528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12992.004528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12992.004528][ T7704] netlink_rcv_skb+0x130/0x360 [12992.004528][ T7704] netlink_unicast+0x449/0x710 [12992.004528][ T7704] netlink_sendmsg+0x723/0xbe0 [12992.004528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12992.004528][ T7704] ___sys_sendmsg+0xee/0x170 [12992.004528][ T7704] __sys_sendmsg+0xcd/0x170 [12992.004528][ T7704] do_syscall_64+0xc6/0x1e0 [12992.004528][ T7704] [12992.006650][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12992.006650][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12992.006650][ T7704] ipv6_find_idev+0x102/0x170 [12992.006650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12992.006650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12992.006650][ T7704] netlink_rcv_skb+0x130/0x360 [12992.006650][ T7704] netlink_unicast+0x449/0x710 [12992.006650][ T7704] netlink_sendmsg+0x723/0xbe0 [12992.006650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12992.006650][ T7704] ___sys_sendmsg+0xee/0x170 [12992.006650][ T7704] __sys_sendmsg+0xcd/0x170 [12992.006650][ T7704] do_syscall_64+0xc6/0x1e0 [12992.006650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12992.006650][ T7704] [12992.008370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [12992.008370][ T7704] neigh_parms_alloc+0x1e5/0x510 [12992.008370][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12992.008370][ T7704] ipv6_find_idev+0x102/0x170 [12992.008370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12992.008370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12992.008370][ T7704] netlink_rcv_skb+0x130/0x360 [12992.008370][ T7704] netlink_unicast+0x449/0x710 [12992.008370][ T7704] netlink_sendmsg+0x723/0xbe0 [12992.008370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12992.008370][ T7704] ___sys_sendmsg+0xee/0x170 [12992.008370][ T7704] __sys_sendmsg+0xcd/0x170 [12992.008370][ T7704] do_syscall_64+0xc6/0x1e0 [12992.008370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12992.008370][ T7704] [13002.247006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13002.247993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13002.247993][ T7704] netdev_get_by_index+0x5e/0x80 [13002.247993][ T7704] fib6_nh_init+0x3d8/0x15b0 [13002.247993][ T7704] ip6_route_info_create+0xf18/0x17d0 [13002.247993][ T7704] ip6_route_add+0x1c/0x140 [13002.247993][ T7704] addrconf_prefix_route+0x2a6/0x430 [13002.247993][ T7704] inet6_addr_add+0x4f8/0xa40 [13002.247993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13002.247993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13002.247993][ T7704] netlink_rcv_skb+0x130/0x360 [13002.247993][ T7704] netlink_unicast+0x449/0x710 [13002.247993][ T7704] netlink_sendmsg+0x723/0xbe0 [13002.247993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13002.247993][ T7704] ___sys_sendmsg+0xee/0x170 [13002.247993][ T7704] __sys_sendmsg+0xcd/0x170 [13002.247993][ T7704] do_syscall_64+0xc6/0x1e0 [13002.247993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13002.247993][ T7704] [13002.250316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13002.250316][ T7704] netdev_get_by_index+0x5e/0x80 [13002.250316][ T7704] fib6_nh_init+0x3d8/0x15b0 [13002.250316][ T7704] ip6_route_info_create+0xf18/0x17d0 [13002.250316][ T7704] addrconf_f6i_alloc+0x315/0x560 [13002.250316][ T7704] ipv6_add_addr+0x411/0x2000 [13002.250316][ T7704] inet6_addr_add+0x30e/0xa40 [13002.250316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13002.250316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13002.250316][ T7704] netlink_rcv_skb+0x130/0x360 [13002.250316][ T7704] netlink_unicast+0x449/0x710 [13002.250316][ T7704] netlink_sendmsg+0x723/0xbe0 [13002.250316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13002.250316][ T7704] ___sys_sendmsg+0xee/0x170 [13002.250316][ T7704] __sys_sendmsg+0xcd/0x170 [13002.250316][ T7704] do_syscall_64+0xc6/0x1e0 [13002.250316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13002.250316][ T7704] [13002.252628][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13002.252628][ T7704] netdev_get_by_index+0x5e/0x80 [13002.252628][ T7704] fib6_nh_init+0x3d8/0x15b0 [13002.252628][ T7704] ip6_route_info_create+0xf18/0x17d0 [13002.252628][ T7704] ip6_route_add+0x1c/0x140 [13002.252628][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13002.252628][ T7704] addrconf_add_dev+0xe2/0x170 [13002.252628][ T7704] inet6_addr_add+0x12f/0xa40 [13002.252628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13002.252628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13002.252628][ T7704] netlink_rcv_skb+0x130/0x360 [13002.252628][ T7704] netlink_unicast+0x449/0x710 [13002.252628][ T7704] netlink_sendmsg+0x723/0xbe0 [13002.252628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13002.252628][ T7704] ___sys_sendmsg+0xee/0x170 [13002.252628][ T7704] __sys_sendmsg+0xcd/0x170 [13002.252628][ T7704] do_syscall_64+0xc6/0x1e0 [13002.252628][ T7704] [13002.254808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13002.254808][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13002.254808][ T7704] ipv6_find_idev+0x102/0x170 [13002.254808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13002.254808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13002.254808][ T7704] netlink_rcv_skb+0x130/0x360 [13002.254808][ T7704] netlink_unicast+0x449/0x710 [13002.254808][ T7704] netlink_sendmsg+0x723/0xbe0 [13002.254808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13002.254808][ T7704] ___sys_sendmsg+0xee/0x170 [13002.254808][ T7704] __sys_sendmsg+0xcd/0x170 [13002.254808][ T7704] do_syscall_64+0xc6/0x1e0 [13002.254808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13002.254808][ T7704] [13002.256529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13002.256529][ T7704] neigh_parms_alloc+0x1e5/0x510 [13002.256529][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13002.256529][ T7704] ipv6_find_idev+0x102/0x170 [13002.256529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13002.256529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13002.256529][ T7704] netlink_rcv_skb+0x130/0x360 [13002.256529][ T7704] netlink_unicast+0x449/0x710 [13002.256529][ T7704] netlink_sendmsg+0x723/0xbe0 [13002.256529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13002.256529][ T7704] ___sys_sendmsg+0xee/0x170 [13002.256529][ T7704] __sys_sendmsg+0xcd/0x170 [13002.256529][ T7704] do_syscall_64+0xc6/0x1e0 [13002.256529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13002.256529][ T7704] [13012.511086][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13012.512102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13012.512102][ T7704] netdev_get_by_index+0x5e/0x80 [13012.512102][ T7704] fib6_nh_init+0x3d8/0x15b0 [13012.512102][ T7704] ip6_route_info_create+0xf18/0x17d0 [13012.512102][ T7704] ip6_route_add+0x1c/0x140 [13012.512102][ T7704] addrconf_prefix_route+0x2a6/0x430 [13012.512102][ T7704] inet6_addr_add+0x4f8/0xa40 [13012.512102][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13012.512102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13012.512102][ T7704] netlink_rcv_skb+0x130/0x360 [13012.512102][ T7704] netlink_unicast+0x449/0x710 [13012.512102][ T7704] netlink_sendmsg+0x723/0xbe0 [13012.512102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13012.512102][ T7704] ___sys_sendmsg+0xee/0x170 [13012.512102][ T7704] __sys_sendmsg+0xcd/0x170 [13012.512102][ T7704] do_syscall_64+0xc6/0x1e0 [13012.512102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13012.512102][ T7704] [13012.514391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13012.514391][ T7704] netdev_get_by_index+0x5e/0x80 [13012.514391][ T7704] fib6_nh_init+0x3d8/0x15b0 [13012.514391][ T7704] ip6_route_info_create+0xf18/0x17d0 [13012.514391][ T7704] addrconf_f6i_alloc+0x315/0x560 [13012.514391][ T7704] ipv6_add_addr+0x411/0x2000 [13012.514391][ T7704] inet6_addr_add+0x30e/0xa40 [13012.514391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13012.514391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13012.514391][ T7704] netlink_rcv_skb+0x130/0x360 [13012.514391][ T7704] netlink_unicast+0x449/0x710 [13012.514391][ T7704] netlink_sendmsg+0x723/0xbe0 [13012.514391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13012.514391][ T7704] ___sys_sendmsg+0xee/0x170 [13012.514391][ T7704] __sys_sendmsg+0xcd/0x170 [13012.514391][ T7704] do_syscall_64+0xc6/0x1e0 [13012.514391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13012.514391][ T7704] [13012.516611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13012.516611][ T7704] netdev_get_by_index+0x5e/0x80 [13012.516611][ T7704] fib6_nh_init+0x3d8/0x15b0 [13012.516611][ T7704] ip6_route_info_create+0xf18/0x17d0 [13012.516611][ T7704] ip6_route_add+0x1c/0x140 [13012.516611][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13012.516611][ T7704] addrconf_add_dev+0xe2/0x170 [13012.516611][ T7704] inet6_addr_add+0x12f/0xa40 [13012.516611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13012.516611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13012.516611][ T7704] netlink_rcv_skb+0x130/0x360 [13012.516611][ T7704] netlink_unicast+0x449/0x710 [13012.516611][ T7704] netlink_sendmsg+0x723/0xbe0 [13012.516611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13012.516611][ T7704] ___sys_sendmsg+0xee/0x170 [13012.516611][ T7704] __sys_sendmsg+0xcd/0x170 [13012.516611][ T7704] do_syscall_64+0xc6/0x1e0 [13012.516611][ T7704] [13012.518813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13012.518813][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13012.518813][ T7704] ipv6_find_idev+0x102/0x170 [13012.518813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13012.518813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13012.518813][ T7704] netlink_rcv_skb+0x130/0x360 [13012.518813][ T7704] netlink_unicast+0x449/0x710 [13012.518813][ T7704] netlink_sendmsg+0x723/0xbe0 [13012.518813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13012.518813][ T7704] ___sys_sendmsg+0xee/0x170 [13012.518813][ T7704] __sys_sendmsg+0xcd/0x170 [13012.518813][ T7704] do_syscall_64+0xc6/0x1e0 [13012.518813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13012.518813][ T7704] [13012.520530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13012.520530][ T7704] neigh_parms_alloc+0x1e5/0x510 [13012.520530][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13012.520530][ T7704] ipv6_find_idev+0x102/0x170 [13012.520530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13012.520530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13012.520530][ T7704] netlink_rcv_skb+0x130/0x360 [13012.520530][ T7704] netlink_unicast+0x449/0x710 [13012.520530][ T7704] netlink_sendmsg+0x723/0xbe0 [13012.520530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13012.520530][ T7704] ___sys_sendmsg+0xee/0x170 [13012.520530][ T7704] __sys_sendmsg+0xcd/0x170 [13012.520530][ T7704] do_syscall_64+0xc6/0x1e0 [13012.520530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13012.520530][ T7704] [13022.839097][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13022.839626][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13022.839626][ T7704] netdev_get_by_index+0x5e/0x80 [13022.839626][ T7704] fib6_nh_init+0x3d8/0x15b0 [13022.839626][ T7704] ip6_route_info_create+0xf18/0x17d0 [13022.839626][ T7704] ip6_route_add+0x1c/0x140 [13022.839626][ T7704] addrconf_prefix_route+0x2a6/0x430 [13022.839626][ T7704] inet6_addr_add+0x4f8/0xa40 [13022.839626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13022.839626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13022.839626][ T7704] netlink_rcv_skb+0x130/0x360 [13022.839626][ T7704] netlink_unicast+0x449/0x710 [13022.839626][ T7704] netlink_sendmsg+0x723/0xbe0 [13022.839626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13022.839626][ T7704] ___sys_sendmsg+0xee/0x170 [13022.839626][ T7704] __sys_sendmsg+0xcd/0x170 [13022.839626][ T7704] do_syscall_64+0xc6/0x1e0 [13022.839626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13022.839626][ T7704] [13022.841950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13022.841950][ T7704] netdev_get_by_index+0x5e/0x80 [13022.841950][ T7704] fib6_nh_init+0x3d8/0x15b0 [13022.841950][ T7704] ip6_route_info_create+0xf18/0x17d0 [13022.841950][ T7704] addrconf_f6i_alloc+0x315/0x560 [13022.841950][ T7704] ipv6_add_addr+0x411/0x2000 [13022.841950][ T7704] inet6_addr_add+0x30e/0xa40 [13022.841950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13022.841950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13022.841950][ T7704] netlink_rcv_skb+0x130/0x360 [13022.841950][ T7704] netlink_unicast+0x449/0x710 [13022.841950][ T7704] netlink_sendmsg+0x723/0xbe0 [13022.841950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13022.841950][ T7704] ___sys_sendmsg+0xee/0x170 [13022.841950][ T7704] __sys_sendmsg+0xcd/0x170 [13022.841950][ T7704] do_syscall_64+0xc6/0x1e0 [13022.841950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13022.841950][ T7704] [13022.844203][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13022.844203][ T7704] netdev_get_by_index+0x5e/0x80 [13022.844203][ T7704] fib6_nh_init+0x3d8/0x15b0 [13022.844203][ T7704] ip6_route_info_create+0xf18/0x17d0 [13022.844203][ T7704] ip6_route_add+0x1c/0x140 [13022.844203][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13022.844203][ T7704] addrconf_add_dev+0xe2/0x170 [13022.844203][ T7704] inet6_addr_add+0x12f/0xa40 [13022.844203][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13022.844203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13022.844203][ T7704] netlink_rcv_skb+0x130/0x360 [13022.844203][ T7704] netlink_unicast+0x449/0x710 [13022.844203][ T7704] netlink_sendmsg+0x723/0xbe0 [13022.844203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13022.844203][ T7704] ___sys_sendmsg+0xee/0x170 [13022.844203][ T7704] __sys_sendmsg+0xcd/0x170 [13022.844203][ T7704] do_syscall_64+0xc6/0x1e0 [13022.844203][ T7704] [13022.846446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13022.846446][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13022.846446][ T7704] ipv6_find_idev+0x102/0x170 [13022.846446][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13022.846446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13022.846446][ T7704] netlink_rcv_skb+0x130/0x360 [13022.846446][ T7704] netlink_unicast+0x449/0x710 [13022.846446][ T7704] netlink_sendmsg+0x723/0xbe0 [13022.846446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13022.846446][ T7704] ___sys_sendmsg+0xee/0x170 [13022.846446][ T7704] __sys_sendmsg+0xcd/0x170 [13022.846446][ T7704] do_syscall_64+0xc6/0x1e0 [13022.846446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13022.846446][ T7704] [13022.848185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13022.848185][ T7704] neigh_parms_alloc+0x1e5/0x510 [13022.848185][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13022.848185][ T7704] ipv6_find_idev+0x102/0x170 [13022.848185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13022.848185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13022.848185][ T7704] netlink_rcv_skb+0x130/0x360 [13022.848185][ T7704] netlink_unicast+0x449/0x710 [13022.848185][ T7704] netlink_sendmsg+0x723/0xbe0 [13022.848185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13022.848185][ T7704] ___sys_sendmsg+0xee/0x170 [13022.848185][ T7704] __sys_sendmsg+0xcd/0x170 [13022.848185][ T7704] do_syscall_64+0xc6/0x1e0 [13022.848185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13022.848185][ T7704] [13032.887014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13032.887867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13032.887867][ T7704] netdev_get_by_index+0x5e/0x80 [13032.887867][ T7704] fib6_nh_init+0x3d8/0x15b0 [13032.887867][ T7704] ip6_route_info_create+0xf18/0x17d0 [13032.887867][ T7704] ip6_route_add+0x1c/0x140 [13032.887867][ T7704] addrconf_prefix_route+0x2a6/0x430 [13032.887867][ T7704] inet6_addr_add+0x4f8/0xa40 [13032.887867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13032.887867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13032.887867][ T7704] netlink_rcv_skb+0x130/0x360 [13032.887867][ T7704] netlink_unicast+0x449/0x710 [13032.887867][ T7704] netlink_sendmsg+0x723/0xbe0 [13032.887867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13032.887867][ T7704] ___sys_sendmsg+0xee/0x170 [13032.887867][ T7704] __sys_sendmsg+0xcd/0x170 [13032.887867][ T7704] do_syscall_64+0xc6/0x1e0 [13032.887867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13032.887867][ T7704] [13032.890115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13032.890115][ T7704] netdev_get_by_index+0x5e/0x80 [13032.890115][ T7704] fib6_nh_init+0x3d8/0x15b0 [13032.890115][ T7704] ip6_route_info_create+0xf18/0x17d0 [13032.890115][ T7704] addrconf_f6i_alloc+0x315/0x560 [13032.890115][ T7704] ipv6_add_addr+0x411/0x2000 [13032.890115][ T7704] inet6_addr_add+0x30e/0xa40 [13032.890115][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13032.890115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13032.890115][ T7704] netlink_rcv_skb+0x130/0x360 [13032.890115][ T7704] netlink_unicast+0x449/0x710 [13032.890115][ T7704] netlink_sendmsg+0x723/0xbe0 [13032.890115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13032.890115][ T7704] ___sys_sendmsg+0xee/0x170 [13032.890115][ T7704] __sys_sendmsg+0xcd/0x170 [13032.890115][ T7704] do_syscall_64+0xc6/0x1e0 [13032.890115][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13032.890115][ T7704] [13032.892358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13032.892358][ T7704] netdev_get_by_index+0x5e/0x80 [13032.892358][ T7704] fib6_nh_init+0x3d8/0x15b0 [13032.892358][ T7704] ip6_route_info_create+0xf18/0x17d0 [13032.892358][ T7704] ip6_route_add+0x1c/0x140 [13032.892358][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13032.892358][ T7704] addrconf_add_dev+0xe2/0x170 [13032.892358][ T7704] inet6_addr_add+0x12f/0xa40 [13032.892358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13032.892358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13032.892358][ T7704] netlink_rcv_skb+0x130/0x360 [13032.892358][ T7704] netlink_unicast+0x449/0x710 [13032.892358][ T7704] netlink_sendmsg+0x723/0xbe0 [13032.892358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13032.892358][ T7704] ___sys_sendmsg+0xee/0x170 [13032.892358][ T7704] __sys_sendmsg+0xcd/0x170 [13032.892358][ T7704] do_syscall_64+0xc6/0x1e0 [13032.892358][ T7704] [13032.894418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13032.894418][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13032.894418][ T7704] ipv6_find_idev+0x102/0x170 [13032.894418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13032.894418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13032.894418][ T7704] netlink_rcv_skb+0x130/0x360 [13032.894418][ T7704] netlink_unicast+0x449/0x710 [13032.894418][ T7704] netlink_sendmsg+0x723/0xbe0 [13032.894418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13032.894418][ T7704] ___sys_sendmsg+0xee/0x170 [13032.894418][ T7704] __sys_sendmsg+0xcd/0x170 [13032.894418][ T7704] do_syscall_64+0xc6/0x1e0 [13032.894418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13032.894418][ T7704] [13032.896090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13032.896090][ T7704] neigh_parms_alloc+0x1e5/0x510 [13032.896090][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13032.896090][ T7704] ipv6_find_idev+0x102/0x170 [13032.896090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13032.896090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13032.896090][ T7704] netlink_rcv_skb+0x130/0x360 [13032.896090][ T7704] netlink_unicast+0x449/0x710 [13032.896090][ T7704] netlink_sendmsg+0x723/0xbe0 [13032.896090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13032.896090][ T7704] ___sys_sendmsg+0xee/0x170 [13032.896090][ T7704] __sys_sendmsg+0xcd/0x170 [13032.896090][ T7704] do_syscall_64+0xc6/0x1e0 [13032.896090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13032.896090][ T7704] [13043.135018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13043.135554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13043.135554][ T7704] netdev_get_by_index+0x5e/0x80 [13043.135554][ T7704] fib6_nh_init+0x3d8/0x15b0 [13043.135554][ T7704] ip6_route_info_create+0xf18/0x17d0 [13043.135554][ T7704] ip6_route_add+0x1c/0x140 [13043.135554][ T7704] addrconf_prefix_route+0x2a6/0x430 [13043.135554][ T7704] inet6_addr_add+0x4f8/0xa40 [13043.135554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13043.135554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13043.135554][ T7704] netlink_rcv_skb+0x130/0x360 [13043.135554][ T7704] netlink_unicast+0x449/0x710 [13043.135554][ T7704] netlink_sendmsg+0x723/0xbe0 [13043.135554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13043.135554][ T7704] ___sys_sendmsg+0xee/0x170 [13043.135554][ T7704] __sys_sendmsg+0xcd/0x170 [13043.135554][ T7704] do_syscall_64+0xc6/0x1e0 [13043.135554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13043.135554][ T7704] [13043.137795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13043.137795][ T7704] netdev_get_by_index+0x5e/0x80 [13043.137795][ T7704] fib6_nh_init+0x3d8/0x15b0 [13043.137795][ T7704] ip6_route_info_create+0xf18/0x17d0 [13043.137795][ T7704] addrconf_f6i_alloc+0x315/0x560 [13043.137795][ T7704] ipv6_add_addr+0x411/0x2000 [13043.137795][ T7704] inet6_addr_add+0x30e/0xa40 [13043.137795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13043.137795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13043.137795][ T7704] netlink_rcv_skb+0x130/0x360 [13043.137795][ T7704] netlink_unicast+0x449/0x710 [13043.137795][ T7704] netlink_sendmsg+0x723/0xbe0 [13043.137795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13043.137795][ T7704] ___sys_sendmsg+0xee/0x170 [13043.137795][ T7704] __sys_sendmsg+0xcd/0x170 [13043.137795][ T7704] do_syscall_64+0xc6/0x1e0 [13043.137795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13043.137795][ T7704] [13043.140039][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13043.140039][ T7704] netdev_get_by_index+0x5e/0x80 [13043.140039][ T7704] fib6_nh_init+0x3d8/0x15b0 [13043.140039][ T7704] ip6_route_info_create+0xf18/0x17d0 [13043.140039][ T7704] ip6_route_add+0x1c/0x140 [13043.140039][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13043.140039][ T7704] addrconf_add_dev+0xe2/0x170 [13043.140039][ T7704] inet6_addr_add+0x12f/0xa40 [13043.140039][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13043.140039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13043.140039][ T7704] netlink_rcv_skb+0x130/0x360 [13043.140039][ T7704] netlink_unicast+0x449/0x710 [13043.140039][ T7704] netlink_sendmsg+0x723/0xbe0 [13043.140039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13043.140039][ T7704] ___sys_sendmsg+0xee/0x170 [13043.140039][ T7704] __sys_sendmsg+0xcd/0x170 [13043.140039][ T7704] do_syscall_64+0xc6/0x1e0 [13043.140039][ T7704] [13043.142130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13043.142130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13043.142130][ T7704] ipv6_find_idev+0x102/0x170 [13043.142130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13043.142130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13043.142130][ T7704] netlink_rcv_skb+0x130/0x360 [13043.142130][ T7704] netlink_unicast+0x449/0x710 [13043.142130][ T7704] netlink_sendmsg+0x723/0xbe0 [13043.142130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13043.142130][ T7704] ___sys_sendmsg+0xee/0x170 [13043.142130][ T7704] __sys_sendmsg+0xcd/0x170 [13043.142130][ T7704] do_syscall_64+0xc6/0x1e0 [13043.142130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13043.142130][ T7704] [13043.143750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13043.143750][ T7704] neigh_parms_alloc+0x1e5/0x510 [13043.143750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13043.143750][ T7704] ipv6_find_idev+0x102/0x170 [13043.143750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13043.143750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13043.143750][ T7704] netlink_rcv_skb+0x130/0x360 [13043.143750][ T7704] netlink_unicast+0x449/0x710 [13043.143750][ T7704] netlink_sendmsg+0x723/0xbe0 [13043.143750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13043.143750][ T7704] ___sys_sendmsg+0xee/0x170 [13043.143750][ T7704] __sys_sendmsg+0xcd/0x170 [13043.143750][ T7704] do_syscall_64+0xc6/0x1e0 [13043.143750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13043.143750][ T7704] [13053.383013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13053.383578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13053.383578][ T7704] netdev_get_by_index+0x5e/0x80 [13053.383578][ T7704] fib6_nh_init+0x3d8/0x15b0 [13053.383578][ T7704] ip6_route_info_create+0xf18/0x17d0 [13053.383578][ T7704] ip6_route_add+0x1c/0x140 [13053.383578][ T7704] addrconf_prefix_route+0x2a6/0x430 [13053.383578][ T7704] inet6_addr_add+0x4f8/0xa40 [13053.383578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13053.383578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13053.383578][ T7704] netlink_rcv_skb+0x130/0x360 [13053.383578][ T7704] netlink_unicast+0x449/0x710 [13053.383578][ T7704] netlink_sendmsg+0x723/0xbe0 [13053.383578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13053.383578][ T7704] ___sys_sendmsg+0xee/0x170 [13053.383578][ T7704] __sys_sendmsg+0xcd/0x170 [13053.383578][ T7704] do_syscall_64+0xc6/0x1e0 [13053.383578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13053.383578][ T7704] [13053.385826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13053.385826][ T7704] netdev_get_by_index+0x5e/0x80 [13053.385826][ T7704] fib6_nh_init+0x3d8/0x15b0 [13053.385826][ T7704] ip6_route_info_create+0xf18/0x17d0 [13053.385826][ T7704] addrconf_f6i_alloc+0x315/0x560 [13053.385826][ T7704] ipv6_add_addr+0x411/0x2000 [13053.385826][ T7704] inet6_addr_add+0x30e/0xa40 [13053.385826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13053.385826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13053.385826][ T7704] netlink_rcv_skb+0x130/0x360 [13053.385826][ T7704] netlink_unicast+0x449/0x710 [13053.385826][ T7704] netlink_sendmsg+0x723/0xbe0 [13053.385826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13053.385826][ T7704] ___sys_sendmsg+0xee/0x170 [13053.385826][ T7704] __sys_sendmsg+0xcd/0x170 [13053.385826][ T7704] do_syscall_64+0xc6/0x1e0 [13053.385826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13053.385826][ T7704] [13053.388080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13053.388080][ T7704] netdev_get_by_index+0x5e/0x80 [13053.388080][ T7704] fib6_nh_init+0x3d8/0x15b0 [13053.388080][ T7704] ip6_route_info_create+0xf18/0x17d0 [13053.388080][ T7704] ip6_route_add+0x1c/0x140 [13053.388080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13053.388080][ T7704] addrconf_add_dev+0xe2/0x170 [13053.388080][ T7704] inet6_addr_add+0x12f/0xa40 [13053.388080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13053.388080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13053.388080][ T7704] netlink_rcv_skb+0x130/0x360 [13053.388080][ T7704] netlink_unicast+0x449/0x710 [13053.388080][ T7704] netlink_sendmsg+0x723/0xbe0 [13053.388080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13053.388080][ T7704] ___sys_sendmsg+0xee/0x170 [13053.388080][ T7704] __sys_sendmsg+0xcd/0x170 [13053.388080][ T7704] do_syscall_64+0xc6/0x1e0 [13053.388080][ T7704] [13053.390289][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13053.390289][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13053.390289][ T7704] ipv6_find_idev+0x102/0x170 [13053.390289][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13053.390289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13053.390289][ T7704] netlink_rcv_skb+0x130/0x360 [13053.390289][ T7704] netlink_unicast+0x449/0x710 [13053.390289][ T7704] netlink_sendmsg+0x723/0xbe0 [13053.390289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13053.390289][ T7704] ___sys_sendmsg+0xee/0x170 [13053.390289][ T7704] __sys_sendmsg+0xcd/0x170 [13053.390289][ T7704] do_syscall_64+0xc6/0x1e0 [13053.390289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13053.390289][ T7704] [13053.391996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13053.391996][ T7704] neigh_parms_alloc+0x1e5/0x510 [13053.391996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13053.391996][ T7704] ipv6_find_idev+0x102/0x170 [13053.391996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13053.391996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13053.391996][ T7704] netlink_rcv_skb+0x130/0x360 [13053.391996][ T7704] netlink_unicast+0x449/0x710 [13053.391996][ T7704] netlink_sendmsg+0x723/0xbe0 [13053.391996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13053.391996][ T7704] ___sys_sendmsg+0xee/0x170 [13053.391996][ T7704] __sys_sendmsg+0xcd/0x170 [13053.391996][ T7704] do_syscall_64+0xc6/0x1e0 [13053.391996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13053.391996][ T7704] [13063.487004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13063.487516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13063.487516][ T7704] netdev_get_by_index+0x5e/0x80 [13063.487516][ T7704] fib6_nh_init+0x3d8/0x15b0 [13063.487516][ T7704] ip6_route_info_create+0xf18/0x17d0 [13063.487516][ T7704] ip6_route_add+0x1c/0x140 [13063.487516][ T7704] addrconf_prefix_route+0x2a6/0x430 [13063.487516][ T7704] inet6_addr_add+0x4f8/0xa40 [13063.487516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13063.487516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13063.487516][ T7704] netlink_rcv_skb+0x130/0x360 [13063.487516][ T7704] netlink_unicast+0x449/0x710 [13063.487516][ T7704] netlink_sendmsg+0x723/0xbe0 [13063.487516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13063.487516][ T7704] ___sys_sendmsg+0xee/0x170 [13063.487516][ T7704] __sys_sendmsg+0xcd/0x170 [13063.487516][ T7704] do_syscall_64+0xc6/0x1e0 [13063.487516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13063.487516][ T7704] [13063.489824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13063.489824][ T7704] netdev_get_by_index+0x5e/0x80 [13063.489824][ T7704] fib6_nh_init+0x3d8/0x15b0 [13063.489824][ T7704] ip6_route_info_create+0xf18/0x17d0 [13063.489824][ T7704] addrconf_f6i_alloc+0x315/0x560 [13063.489824][ T7704] ipv6_add_addr+0x411/0x2000 [13063.489824][ T7704] inet6_addr_add+0x30e/0xa40 [13063.489824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13063.489824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13063.489824][ T7704] netlink_rcv_skb+0x130/0x360 [13063.489824][ T7704] netlink_unicast+0x449/0x710 [13063.489824][ T7704] netlink_sendmsg+0x723/0xbe0 [13063.489824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13063.489824][ T7704] ___sys_sendmsg+0xee/0x170 [13063.489824][ T7704] __sys_sendmsg+0xcd/0x170 [13063.489824][ T7704] do_syscall_64+0xc6/0x1e0 [13063.489824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13063.489824][ T7704] [13063.491993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13063.491993][ T7704] netdev_get_by_index+0x5e/0x80 [13063.491993][ T7704] fib6_nh_init+0x3d8/0x15b0 [13063.491993][ T7704] ip6_route_info_create+0xf18/0x17d0 [13063.491993][ T7704] ip6_route_add+0x1c/0x140 [13063.491993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13063.491993][ T7704] addrconf_add_dev+0xe2/0x170 [13063.491993][ T7704] inet6_addr_add+0x12f/0xa40 [13063.491993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13063.491993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13063.491993][ T7704] netlink_rcv_skb+0x130/0x360 [13063.491993][ T7704] netlink_unicast+0x449/0x710 [13063.491993][ T7704] netlink_sendmsg+0x723/0xbe0 [13063.491993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13063.491993][ T7704] ___sys_sendmsg+0xee/0x170 [13063.491993][ T7704] __sys_sendmsg+0xcd/0x170 [13063.491993][ T7704] do_syscall_64+0xc6/0x1e0 [13063.491993][ T7704] [13063.494116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13063.494116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13063.494116][ T7704] ipv6_find_idev+0x102/0x170 [13063.494116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13063.494116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13063.494116][ T7704] netlink_rcv_skb+0x130/0x360 [13063.494116][ T7704] netlink_unicast+0x449/0x710 [13063.494116][ T7704] netlink_sendmsg+0x723/0xbe0 [13063.494116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13063.494116][ T7704] ___sys_sendmsg+0xee/0x170 [13063.494116][ T7704] __sys_sendmsg+0xcd/0x170 [13063.494116][ T7704] do_syscall_64+0xc6/0x1e0 [13063.494116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13063.494116][ T7704] [13063.495780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13063.495780][ T7704] neigh_parms_alloc+0x1e5/0x510 [13063.495780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13063.495780][ T7704] ipv6_find_idev+0x102/0x170 [13063.495780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13063.495780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13063.495780][ T7704] netlink_rcv_skb+0x130/0x360 [13063.495780][ T7704] netlink_unicast+0x449/0x710 [13063.495780][ T7704] netlink_sendmsg+0x723/0xbe0 [13063.495780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13063.495780][ T7704] ___sys_sendmsg+0xee/0x170 [13063.495780][ T7704] __sys_sendmsg+0xcd/0x170 [13063.495780][ T7704] do_syscall_64+0xc6/0x1e0 [13063.495780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13063.495780][ T7704] [13073.735011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13073.736119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13073.736119][ T7704] netdev_get_by_index+0x5e/0x80 [13073.736119][ T7704] fib6_nh_init+0x3d8/0x15b0 [13073.736119][ T7704] ip6_route_info_create+0xf18/0x17d0 [13073.736119][ T7704] ip6_route_add+0x1c/0x140 [13073.736119][ T7704] addrconf_prefix_route+0x2a6/0x430 [13073.736119][ T7704] inet6_addr_add+0x4f8/0xa40 [13073.736119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13073.736119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13073.736119][ T7704] netlink_rcv_skb+0x130/0x360 [13073.736119][ T7704] netlink_unicast+0x449/0x710 [13073.736119][ T7704] netlink_sendmsg+0x723/0xbe0 [13073.736119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13073.736119][ T7704] ___sys_sendmsg+0xee/0x170 [13073.736119][ T7704] __sys_sendmsg+0xcd/0x170 [13073.736119][ T7704] do_syscall_64+0xc6/0x1e0 [13073.736119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13073.736119][ T7704] [13073.738869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13073.738869][ T7704] netdev_get_by_index+0x5e/0x80 [13073.738869][ T7704] fib6_nh_init+0x3d8/0x15b0 [13073.738869][ T7704] ip6_route_info_create+0xf18/0x17d0 [13073.738869][ T7704] addrconf_f6i_alloc+0x315/0x560 [13073.738869][ T7704] ipv6_add_addr+0x411/0x2000 [13073.738869][ T7704] inet6_addr_add+0x30e/0xa40 [13073.738869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13073.738869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13073.738869][ T7704] netlink_rcv_skb+0x130/0x360 [13073.738869][ T7704] netlink_unicast+0x449/0x710 [13073.738869][ T7704] netlink_sendmsg+0x723/0xbe0 [13073.738869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13073.738869][ T7704] ___sys_sendmsg+0xee/0x170 [13073.738869][ T7704] __sys_sendmsg+0xcd/0x170 [13073.738869][ T7704] do_syscall_64+0xc6/0x1e0 [13073.738869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13073.738869][ T7704] [13073.741108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13073.741108][ T7704] netdev_get_by_index+0x5e/0x80 [13073.741108][ T7704] fib6_nh_init+0x3d8/0x15b0 [13073.741108][ T7704] ip6_route_info_create+0xf18/0x17d0 [13073.741108][ T7704] ip6_route_add+0x1c/0x140 [13073.741108][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13073.741108][ T7704] addrconf_add_dev+0xe2/0x170 [13073.741108][ T7704] inet6_addr_add+0x12f/0xa40 [13073.741108][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13073.741108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13073.741108][ T7704] netlink_rcv_skb+0x130/0x360 [13073.741108][ T7704] netlink_unicast+0x449/0x710 [13073.741108][ T7704] netlink_sendmsg+0x723/0xbe0 [13073.741108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13073.741108][ T7704] ___sys_sendmsg+0xee/0x170 [13073.741108][ T7704] __sys_sendmsg+0xcd/0x170 [13073.741108][ T7704] do_syscall_64+0xc6/0x1e0 [13073.741108][ T7704] [13073.743246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13073.743246][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13073.743246][ T7704] ipv6_find_idev+0x102/0x170 [13073.743246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13073.743246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13073.743246][ T7704] netlink_rcv_skb+0x130/0x360 [13073.743246][ T7704] netlink_unicast+0x449/0x710 [13073.743246][ T7704] netlink_sendmsg+0x723/0xbe0 [13073.743246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13073.743246][ T7704] ___sys_sendmsg+0xee/0x170 [13073.743246][ T7704] __sys_sendmsg+0xcd/0x170 [13073.743246][ T7704] do_syscall_64+0xc6/0x1e0 [13073.743246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13073.743246][ T7704] [13073.745062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13073.745062][ T7704] neigh_parms_alloc+0x1e5/0x510 [13073.745062][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13073.745062][ T7704] ipv6_find_idev+0x102/0x170 [13073.745062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13073.745062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13073.745062][ T7704] netlink_rcv_skb+0x130/0x360 [13073.745062][ T7704] netlink_unicast+0x449/0x710 [13073.745062][ T7704] netlink_sendmsg+0x723/0xbe0 [13073.745062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13073.745062][ T7704] ___sys_sendmsg+0xee/0x170 [13073.745062][ T7704] __sys_sendmsg+0xcd/0x170 [13073.745062][ T7704] do_syscall_64+0xc6/0x1e0 [13073.745062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13073.745062][ T7704] [13083.862964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13083.863461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13083.863461][ T7704] netdev_get_by_index+0x5e/0x80 [13083.863461][ T7704] fib6_nh_init+0x3d8/0x15b0 [13083.863461][ T7704] ip6_route_info_create+0xf18/0x17d0 [13083.863461][ T7704] ip6_route_add+0x1c/0x140 [13083.863461][ T7704] addrconf_prefix_route+0x2a6/0x430 [13083.863461][ T7704] inet6_addr_add+0x4f8/0xa40 [13083.863461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13083.863461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13083.863461][ T7704] netlink_rcv_skb+0x130/0x360 [13083.863461][ T7704] netlink_unicast+0x449/0x710 [13083.863461][ T7704] netlink_sendmsg+0x723/0xbe0 [13083.863461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13083.863461][ T7704] ___sys_sendmsg+0xee/0x170 [13083.863461][ T7704] __sys_sendmsg+0xcd/0x170 [13083.863461][ T7704] do_syscall_64+0xc6/0x1e0 [13083.863461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13083.863461][ T7704] [13083.865857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13083.865857][ T7704] netdev_get_by_index+0x5e/0x80 [13083.865857][ T7704] fib6_nh_init+0x3d8/0x15b0 [13083.865857][ T7704] ip6_route_info_create+0xf18/0x17d0 [13083.865857][ T7704] addrconf_f6i_alloc+0x315/0x560 [13083.865857][ T7704] ipv6_add_addr+0x411/0x2000 [13083.865857][ T7704] inet6_addr_add+0x30e/0xa40 [13083.865857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13083.865857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13083.865857][ T7704] netlink_rcv_skb+0x130/0x360 [13083.865857][ T7704] netlink_unicast+0x449/0x710 [13083.865857][ T7704] netlink_sendmsg+0x723/0xbe0 [13083.865857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13083.865857][ T7704] ___sys_sendmsg+0xee/0x170 [13083.865857][ T7704] __sys_sendmsg+0xcd/0x170 [13083.865857][ T7704] do_syscall_64+0xc6/0x1e0 [13083.865857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13083.865857][ T7704] [13083.868054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13083.868054][ T7704] netdev_get_by_index+0x5e/0x80 [13083.868054][ T7704] fib6_nh_init+0x3d8/0x15b0 [13083.868054][ T7704] ip6_route_info_create+0xf18/0x17d0 [13083.868054][ T7704] ip6_route_add+0x1c/0x140 [13083.868054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13083.868054][ T7704] addrconf_add_dev+0xe2/0x170 [13083.868054][ T7704] inet6_addr_add+0x12f/0xa40 [13083.868054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13083.868054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13083.868054][ T7704] netlink_rcv_skb+0x130/0x360 [13083.868054][ T7704] netlink_unicast+0x449/0x710 [13083.868054][ T7704] netlink_sendmsg+0x723/0xbe0 [13083.868054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13083.868054][ T7704] ___sys_sendmsg+0xee/0x170 [13083.868054][ T7704] __sys_sendmsg+0xcd/0x170 [13083.868054][ T7704] do_syscall_64+0xc6/0x1e0 [13083.868054][ T7704] [13083.870259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13083.870259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13083.870259][ T7704] ipv6_find_idev+0x102/0x170 [13083.870259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13083.870259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13083.870259][ T7704] netlink_rcv_skb+0x130/0x360 [13083.870259][ T7704] netlink_unicast+0x449/0x710 [13083.870259][ T7704] netlink_sendmsg+0x723/0xbe0 [13083.870259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13083.870259][ T7704] ___sys_sendmsg+0xee/0x170 [13083.870259][ T7704] __sys_sendmsg+0xcd/0x170 [13083.870259][ T7704] do_syscall_64+0xc6/0x1e0 [13083.870259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13083.870259][ T7704] [13083.871986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13083.871986][ T7704] neigh_parms_alloc+0x1e5/0x510 [13083.871986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13083.871986][ T7704] ipv6_find_idev+0x102/0x170 [13083.871986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13083.871986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13083.871986][ T7704] netlink_rcv_skb+0x130/0x360 [13083.871986][ T7704] netlink_unicast+0x449/0x710 [13083.871986][ T7704] netlink_sendmsg+0x723/0xbe0 [13083.871986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13083.871986][ T7704] ___sys_sendmsg+0xee/0x170 [13083.871986][ T7704] __sys_sendmsg+0xcd/0x170 [13083.871986][ T7704] do_syscall_64+0xc6/0x1e0 [13083.871986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13083.871986][ T7704] [13093.951004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13093.952079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13093.952079][ T7704] netdev_get_by_index+0x5e/0x80 [13093.952079][ T7704] fib6_nh_init+0x3d8/0x15b0 [13093.952079][ T7704] ip6_route_info_create+0xf18/0x17d0 [13093.952079][ T7704] ip6_route_add+0x1c/0x140 [13093.952079][ T7704] addrconf_prefix_route+0x2a6/0x430 [13093.952079][ T7704] inet6_addr_add+0x4f8/0xa40 [13093.952079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13093.952079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13093.952079][ T7704] netlink_rcv_skb+0x130/0x360 [13093.952079][ T7704] netlink_unicast+0x449/0x710 [13093.952079][ T7704] netlink_sendmsg+0x723/0xbe0 [13093.952079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13093.952079][ T7704] ___sys_sendmsg+0xee/0x170 [13093.952079][ T7704] __sys_sendmsg+0xcd/0x170 [13093.952079][ T7704] do_syscall_64+0xc6/0x1e0 [13093.952079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13093.952079][ T7704] [13093.954248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13093.954248][ T7704] netdev_get_by_index+0x5e/0x80 [13093.954248][ T7704] fib6_nh_init+0x3d8/0x15b0 [13093.954248][ T7704] ip6_route_info_create+0xf18/0x17d0 [13093.954248][ T7704] addrconf_f6i_alloc+0x315/0x560 [13093.954248][ T7704] ipv6_add_addr+0x411/0x2000 [13093.954248][ T7704] inet6_addr_add+0x30e/0xa40 [13093.954248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13093.954248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13093.954248][ T7704] netlink_rcv_skb+0x130/0x360 [13093.954248][ T7704] netlink_unicast+0x449/0x710 [13093.954248][ T7704] netlink_sendmsg+0x723/0xbe0 [13093.954248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13093.954248][ T7704] ___sys_sendmsg+0xee/0x170 [13093.954248][ T7704] __sys_sendmsg+0xcd/0x170 [13093.954248][ T7704] do_syscall_64+0xc6/0x1e0 [13093.954248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13093.954248][ T7704] [13093.956514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13093.956514][ T7704] netdev_get_by_index+0x5e/0x80 [13093.956514][ T7704] fib6_nh_init+0x3d8/0x15b0 [13093.956514][ T7704] ip6_route_info_create+0xf18/0x17d0 [13093.956514][ T7704] ip6_route_add+0x1c/0x140 [13093.956514][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13093.956514][ T7704] addrconf_add_dev+0xe2/0x170 [13093.956514][ T7704] inet6_addr_add+0x12f/0xa40 [13093.956514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13093.956514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13093.956514][ T7704] netlink_rcv_skb+0x130/0x360 [13093.956514][ T7704] netlink_unicast+0x449/0x710 [13093.956514][ T7704] netlink_sendmsg+0x723/0xbe0 [13093.956514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13093.956514][ T7704] ___sys_sendmsg+0xee/0x170 [13093.956514][ T7704] __sys_sendmsg+0xcd/0x170 [13093.956514][ T7704] do_syscall_64+0xc6/0x1e0 [13093.956514][ T7704] [13093.958711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13093.958711][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13093.958711][ T7704] ipv6_find_idev+0x102/0x170 [13093.958711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13093.958711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13093.958711][ T7704] netlink_rcv_skb+0x130/0x360 [13093.958711][ T7704] netlink_unicast+0x449/0x710 [13093.958711][ T7704] netlink_sendmsg+0x723/0xbe0 [13093.958711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13093.958711][ T7704] ___sys_sendmsg+0xee/0x170 [13093.958711][ T7704] __sys_sendmsg+0xcd/0x170 [13093.958711][ T7704] do_syscall_64+0xc6/0x1e0 [13093.958711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13093.958711][ T7704] [13093.960344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13093.960344][ T7704] neigh_parms_alloc+0x1e5/0x510 [13093.960344][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13093.960344][ T7704] ipv6_find_idev+0x102/0x170 [13093.960344][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13093.960344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13093.960344][ T7704] netlink_rcv_skb+0x130/0x360 [13093.960344][ T7704] netlink_unicast+0x449/0x710 [13093.960344][ T7704] netlink_sendmsg+0x723/0xbe0 [13093.960344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13093.960344][ T7704] ___sys_sendmsg+0xee/0x170 [13093.960344][ T7704] __sys_sendmsg+0xcd/0x170 [13093.960344][ T7704] do_syscall_64+0xc6/0x1e0 [13093.960344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13093.960344][ T7704] [13104.215031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13104.215568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13104.215568][ T7704] netdev_get_by_index+0x5e/0x80 [13104.215568][ T7704] fib6_nh_init+0x3d8/0x15b0 [13104.215568][ T7704] ip6_route_info_create+0xf18/0x17d0 [13104.215568][ T7704] ip6_route_add+0x1c/0x140 [13104.215568][ T7704] addrconf_prefix_route+0x2a6/0x430 [13104.215568][ T7704] inet6_addr_add+0x4f8/0xa40 [13104.215568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13104.215568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13104.215568][ T7704] netlink_rcv_skb+0x130/0x360 [13104.215568][ T7704] netlink_unicast+0x449/0x710 [13104.215568][ T7704] netlink_sendmsg+0x723/0xbe0 [13104.215568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13104.215568][ T7704] ___sys_sendmsg+0xee/0x170 [13104.215568][ T7704] __sys_sendmsg+0xcd/0x170 [13104.215568][ T7704] do_syscall_64+0xc6/0x1e0 [13104.215568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13104.215568][ T7704] [13104.217906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13104.217906][ T7704] netdev_get_by_index+0x5e/0x80 [13104.217906][ T7704] fib6_nh_init+0x3d8/0x15b0 [13104.217906][ T7704] ip6_route_info_create+0xf18/0x17d0 [13104.217906][ T7704] addrconf_f6i_alloc+0x315/0x560 [13104.217906][ T7704] ipv6_add_addr+0x411/0x2000 [13104.217906][ T7704] inet6_addr_add+0x30e/0xa40 [13104.217906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13104.217906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13104.217906][ T7704] netlink_rcv_skb+0x130/0x360 [13104.217906][ T7704] netlink_unicast+0x449/0x710 [13104.217906][ T7704] netlink_sendmsg+0x723/0xbe0 [13104.217906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13104.217906][ T7704] ___sys_sendmsg+0xee/0x170 [13104.217906][ T7704] __sys_sendmsg+0xcd/0x170 [13104.217906][ T7704] do_syscall_64+0xc6/0x1e0 [13104.217906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13104.217906][ T7704] [13104.220132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13104.220132][ T7704] netdev_get_by_index+0x5e/0x80 [13104.220132][ T7704] fib6_nh_init+0x3d8/0x15b0 [13104.220132][ T7704] ip6_route_info_create+0xf18/0x17d0 [13104.220132][ T7704] ip6_route_add+0x1c/0x140 [13104.220132][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13104.220132][ T7704] addrconf_add_dev+0xe2/0x170 [13104.220132][ T7704] inet6_addr_add+0x12f/0xa40 [13104.220132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13104.220132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13104.220132][ T7704] netlink_rcv_skb+0x130/0x360 [13104.220132][ T7704] netlink_unicast+0x449/0x710 [13104.220132][ T7704] netlink_sendmsg+0x723/0xbe0 [13104.220132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13104.220132][ T7704] ___sys_sendmsg+0xee/0x170 [13104.220132][ T7704] __sys_sendmsg+0xcd/0x170 [13104.220132][ T7704] do_syscall_64+0xc6/0x1e0 [13104.220132][ T7704] [13104.222294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13104.222294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13104.222294][ T7704] ipv6_find_idev+0x102/0x170 [13104.222294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13104.222294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13104.222294][ T7704] netlink_rcv_skb+0x130/0x360 [13104.222294][ T7704] netlink_unicast+0x449/0x710 [13104.222294][ T7704] netlink_sendmsg+0x723/0xbe0 [13104.222294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13104.222294][ T7704] ___sys_sendmsg+0xee/0x170 [13104.222294][ T7704] __sys_sendmsg+0xcd/0x170 [13104.222294][ T7704] do_syscall_64+0xc6/0x1e0 [13104.222294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13104.222294][ T7704] [13104.223980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13104.223980][ T7704] neigh_parms_alloc+0x1e5/0x510 [13104.223980][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13104.223980][ T7704] ipv6_find_idev+0x102/0x170 [13104.223980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13104.223980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13104.223980][ T7704] netlink_rcv_skb+0x130/0x360 [13104.223980][ T7704] netlink_unicast+0x449/0x710 [13104.223980][ T7704] netlink_sendmsg+0x723/0xbe0 [13104.223980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13104.223980][ T7704] ___sys_sendmsg+0xee/0x170 [13104.223980][ T7704] __sys_sendmsg+0xcd/0x170 [13104.223980][ T7704] do_syscall_64+0xc6/0x1e0 [13104.223980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13104.223980][ T7704] [13114.479019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13114.479573][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13114.479573][ T7704] netdev_get_by_index+0x5e/0x80 [13114.479573][ T7704] fib6_nh_init+0x3d8/0x15b0 [13114.479573][ T7704] ip6_route_info_create+0xf18/0x17d0 [13114.479573][ T7704] ip6_route_add+0x1c/0x140 [13114.479573][ T7704] addrconf_prefix_route+0x2a6/0x430 [13114.479573][ T7704] inet6_addr_add+0x4f8/0xa40 [13114.479573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13114.479573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13114.479573][ T7704] netlink_rcv_skb+0x130/0x360 [13114.479573][ T7704] netlink_unicast+0x449/0x710 [13114.479573][ T7704] netlink_sendmsg+0x723/0xbe0 [13114.479573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13114.479573][ T7704] ___sys_sendmsg+0xee/0x170 [13114.479573][ T7704] __sys_sendmsg+0xcd/0x170 [13114.479573][ T7704] do_syscall_64+0xc6/0x1e0 [13114.479573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13114.479573][ T7704] [13114.481832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13114.481832][ T7704] netdev_get_by_index+0x5e/0x80 [13114.481832][ T7704] fib6_nh_init+0x3d8/0x15b0 [13114.481832][ T7704] ip6_route_info_create+0xf18/0x17d0 [13114.481832][ T7704] addrconf_f6i_alloc+0x315/0x560 [13114.481832][ T7704] ipv6_add_addr+0x411/0x2000 [13114.481832][ T7704] inet6_addr_add+0x30e/0xa40 [13114.481832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13114.481832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13114.481832][ T7704] netlink_rcv_skb+0x130/0x360 [13114.481832][ T7704] netlink_unicast+0x449/0x710 [13114.481832][ T7704] netlink_sendmsg+0x723/0xbe0 [13114.481832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13114.481832][ T7704] ___sys_sendmsg+0xee/0x170 [13114.481832][ T7704] __sys_sendmsg+0xcd/0x170 [13114.481832][ T7704] do_syscall_64+0xc6/0x1e0 [13114.481832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13114.481832][ T7704] [13114.484098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13114.484098][ T7704] netdev_get_by_index+0x5e/0x80 [13114.484098][ T7704] fib6_nh_init+0x3d8/0x15b0 [13114.484098][ T7704] ip6_route_info_create+0xf18/0x17d0 [13114.484098][ T7704] ip6_route_add+0x1c/0x140 [13114.484098][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13114.484098][ T7704] addrconf_add_dev+0xe2/0x170 [13114.484098][ T7704] inet6_addr_add+0x12f/0xa40 [13114.484098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13114.484098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13114.484098][ T7704] netlink_rcv_skb+0x130/0x360 [13114.484098][ T7704] netlink_unicast+0x449/0x710 [13114.484098][ T7704] netlink_sendmsg+0x723/0xbe0 [13114.484098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13114.484098][ T7704] ___sys_sendmsg+0xee/0x170 [13114.484098][ T7704] __sys_sendmsg+0xcd/0x170 [13114.484098][ T7704] do_syscall_64+0xc6/0x1e0 [13114.484098][ T7704] [13114.486815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13114.486815][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13114.486815][ T7704] ipv6_find_idev+0x102/0x170 [13114.486815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13114.486815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13114.486815][ T7704] netlink_rcv_skb+0x130/0x360 [13114.486815][ T7704] netlink_unicast+0x449/0x710 [13114.486815][ T7704] netlink_sendmsg+0x723/0xbe0 [13114.486815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13114.486815][ T7704] ___sys_sendmsg+0xee/0x170 [13114.486815][ T7704] __sys_sendmsg+0xcd/0x170 [13114.486815][ T7704] do_syscall_64+0xc6/0x1e0 [13114.486815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13114.486815][ T7704] [13114.488552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13114.488552][ T7704] neigh_parms_alloc+0x1e5/0x510 [13114.488552][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13114.488552][ T7704] ipv6_find_idev+0x102/0x170 [13114.488552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13114.488552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13114.488552][ T7704] netlink_rcv_skb+0x130/0x360 [13114.488552][ T7704] netlink_unicast+0x449/0x710 [13114.488552][ T7704] netlink_sendmsg+0x723/0xbe0 [13114.488552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13114.488552][ T7704] ___sys_sendmsg+0xee/0x170 [13114.488552][ T7704] __sys_sendmsg+0xcd/0x170 [13114.488552][ T7704] do_syscall_64+0xc6/0x1e0 [13114.488552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13114.488552][ T7704] [13124.742939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13124.743428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13124.743428][ T7704] netdev_get_by_index+0x5e/0x80 [13124.743428][ T7704] fib6_nh_init+0x3d8/0x15b0 [13124.743428][ T7704] ip6_route_info_create+0xf18/0x17d0 [13124.743428][ T7704] ip6_route_add+0x1c/0x140 [13124.743428][ T7704] addrconf_prefix_route+0x2a6/0x430 [13124.743428][ T7704] inet6_addr_add+0x4f8/0xa40 [13124.743428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13124.743428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13124.743428][ T7704] netlink_rcv_skb+0x130/0x360 [13124.743428][ T7704] netlink_unicast+0x449/0x710 [13124.743428][ T7704] netlink_sendmsg+0x723/0xbe0 [13124.743428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13124.743428][ T7704] ___sys_sendmsg+0xee/0x170 [13124.743428][ T7704] __sys_sendmsg+0xcd/0x170 [13124.743428][ T7704] do_syscall_64+0xc6/0x1e0 [13124.743428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13124.743428][ T7704] [13124.745738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13124.745738][ T7704] netdev_get_by_index+0x5e/0x80 [13124.745738][ T7704] fib6_nh_init+0x3d8/0x15b0 [13124.745738][ T7704] ip6_route_info_create+0xf18/0x17d0 [13124.745738][ T7704] addrconf_f6i_alloc+0x315/0x560 [13124.745738][ T7704] ipv6_add_addr+0x411/0x2000 [13124.745738][ T7704] inet6_addr_add+0x30e/0xa40 [13124.745738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13124.745738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13124.745738][ T7704] netlink_rcv_skb+0x130/0x360 [13124.745738][ T7704] netlink_unicast+0x449/0x710 [13124.745738][ T7704] netlink_sendmsg+0x723/0xbe0 [13124.745738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13124.745738][ T7704] ___sys_sendmsg+0xee/0x170 [13124.745738][ T7704] __sys_sendmsg+0xcd/0x170 [13124.745738][ T7704] do_syscall_64+0xc6/0x1e0 [13124.745738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13124.745738][ T7704] [13124.747995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13124.747995][ T7704] netdev_get_by_index+0x5e/0x80 [13124.747995][ T7704] fib6_nh_init+0x3d8/0x15b0 [13124.747995][ T7704] ip6_route_info_create+0xf18/0x17d0 [13124.747995][ T7704] ip6_route_add+0x1c/0x140 [13124.747995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13124.747995][ T7704] addrconf_add_dev+0xe2/0x170 [13124.747995][ T7704] inet6_addr_add+0x12f/0xa40 [13124.747995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13124.747995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13124.747995][ T7704] netlink_rcv_skb+0x130/0x360 [13124.747995][ T7704] netlink_unicast+0x449/0x710 [13124.747995][ T7704] netlink_sendmsg+0x723/0xbe0 [13124.747995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13124.747995][ T7704] ___sys_sendmsg+0xee/0x170 [13124.747995][ T7704] __sys_sendmsg+0xcd/0x170 [13124.747995][ T7704] do_syscall_64+0xc6/0x1e0 [13124.747995][ T7704] [13124.750235][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13124.750235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13124.750235][ T7704] ipv6_find_idev+0x102/0x170 [13124.750235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13124.750235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13124.750235][ T7704] netlink_rcv_skb+0x130/0x360 [13124.750235][ T7704] netlink_unicast+0x449/0x710 [13124.750235][ T7704] netlink_sendmsg+0x723/0xbe0 [13124.750235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13124.750235][ T7704] ___sys_sendmsg+0xee/0x170 [13124.750235][ T7704] __sys_sendmsg+0xcd/0x170 [13124.750235][ T7704] do_syscall_64+0xc6/0x1e0 [13124.750235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13124.750235][ T7704] [13124.751991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13124.751991][ T7704] neigh_parms_alloc+0x1e5/0x510 [13124.751991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13124.751991][ T7704] ipv6_find_idev+0x102/0x170 [13124.751991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13124.751991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13124.751991][ T7704] netlink_rcv_skb+0x130/0x360 [13124.751991][ T7704] netlink_unicast+0x449/0x710 [13124.751991][ T7704] netlink_sendmsg+0x723/0xbe0 [13124.751991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13124.751991][ T7704] ___sys_sendmsg+0xee/0x170 [13124.751991][ T7704] __sys_sendmsg+0xcd/0x170 [13124.751991][ T7704] do_syscall_64+0xc6/0x1e0 [13124.751991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13124.751991][ T7704] [13135.006969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13135.007451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13135.007451][ T7704] netdev_get_by_index+0x5e/0x80 [13135.007451][ T7704] fib6_nh_init+0x3d8/0x15b0 [13135.007451][ T7704] ip6_route_info_create+0xf18/0x17d0 [13135.007451][ T7704] ip6_route_add+0x1c/0x140 [13135.007451][ T7704] addrconf_prefix_route+0x2a6/0x430 [13135.007451][ T7704] inet6_addr_add+0x4f8/0xa40 [13135.007451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13135.007451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13135.007451][ T7704] netlink_rcv_skb+0x130/0x360 [13135.007451][ T7704] netlink_unicast+0x449/0x710 [13135.007451][ T7704] netlink_sendmsg+0x723/0xbe0 [13135.007451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13135.007451][ T7704] ___sys_sendmsg+0xee/0x170 [13135.007451][ T7704] __sys_sendmsg+0xcd/0x170 [13135.007451][ T7704] do_syscall_64+0xc6/0x1e0 [13135.007451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13135.007451][ T7704] [13135.009750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13135.009750][ T7704] netdev_get_by_index+0x5e/0x80 [13135.009750][ T7704] fib6_nh_init+0x3d8/0x15b0 [13135.009750][ T7704] ip6_route_info_create+0xf18/0x17d0 [13135.009750][ T7704] addrconf_f6i_alloc+0x315/0x560 [13135.009750][ T7704] ipv6_add_addr+0x411/0x2000 [13135.009750][ T7704] inet6_addr_add+0x30e/0xa40 [13135.009750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13135.009750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13135.009750][ T7704] netlink_rcv_skb+0x130/0x360 [13135.009750][ T7704] netlink_unicast+0x449/0x710 [13135.009750][ T7704] netlink_sendmsg+0x723/0xbe0 [13135.009750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13135.009750][ T7704] ___sys_sendmsg+0xee/0x170 [13135.009750][ T7704] __sys_sendmsg+0xcd/0x170 [13135.009750][ T7704] do_syscall_64+0xc6/0x1e0 [13135.009750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13135.009750][ T7704] [13135.012011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13135.012011][ T7704] netdev_get_by_index+0x5e/0x80 [13135.012011][ T7704] fib6_nh_init+0x3d8/0x15b0 [13135.012011][ T7704] ip6_route_info_create+0xf18/0x17d0 [13135.012011][ T7704] ip6_route_add+0x1c/0x140 [13135.012011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13135.012011][ T7704] addrconf_add_dev+0xe2/0x170 [13135.012011][ T7704] inet6_addr_add+0x12f/0xa40 [13135.012011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13135.012011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13135.012011][ T7704] netlink_rcv_skb+0x130/0x360 [13135.012011][ T7704] netlink_unicast+0x449/0x710 [13135.012011][ T7704] netlink_sendmsg+0x723/0xbe0 [13135.012011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13135.012011][ T7704] ___sys_sendmsg+0xee/0x170 [13135.012011][ T7704] __sys_sendmsg+0xcd/0x170 [13135.012011][ T7704] do_syscall_64+0xc6/0x1e0 [13135.012011][ T7704] [13135.014222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13135.014222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13135.014222][ T7704] ipv6_find_idev+0x102/0x170 [13135.014222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13135.014222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13135.014222][ T7704] netlink_rcv_skb+0x130/0x360 [13135.014222][ T7704] netlink_unicast+0x449/0x710 [13135.014222][ T7704] netlink_sendmsg+0x723/0xbe0 [13135.014222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13135.014222][ T7704] ___sys_sendmsg+0xee/0x170 [13135.014222][ T7704] __sys_sendmsg+0xcd/0x170 [13135.014222][ T7704] do_syscall_64+0xc6/0x1e0 [13135.014222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13135.014222][ T7704] [13135.015967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13135.015967][ T7704] neigh_parms_alloc+0x1e5/0x510 [13135.015967][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13135.015967][ T7704] ipv6_find_idev+0x102/0x170 [13135.015967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13135.015967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13135.015967][ T7704] netlink_rcv_skb+0x130/0x360 [13135.015967][ T7704] netlink_unicast+0x449/0x710 [13135.015967][ T7704] netlink_sendmsg+0x723/0xbe0 [13135.015967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13135.015967][ T7704] ___sys_sendmsg+0xee/0x170 [13135.015967][ T7704] __sys_sendmsg+0xcd/0x170 [13135.015967][ T7704] do_syscall_64+0xc6/0x1e0 [13135.015967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13135.015967][ T7704] [13145.270987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13145.271489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13145.271489][ T7704] netdev_get_by_index+0x5e/0x80 [13145.271489][ T7704] fib6_nh_init+0x3d8/0x15b0 [13145.271489][ T7704] ip6_route_info_create+0xf18/0x17d0 [13145.271489][ T7704] ip6_route_add+0x1c/0x140 [13145.271489][ T7704] addrconf_prefix_route+0x2a6/0x430 [13145.271489][ T7704] inet6_addr_add+0x4f8/0xa40 [13145.271489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13145.271489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13145.271489][ T7704] netlink_rcv_skb+0x130/0x360 [13145.271489][ T7704] netlink_unicast+0x449/0x710 [13145.271489][ T7704] netlink_sendmsg+0x723/0xbe0 [13145.271489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13145.271489][ T7704] ___sys_sendmsg+0xee/0x170 [13145.271489][ T7704] __sys_sendmsg+0xcd/0x170 [13145.271489][ T7704] do_syscall_64+0xc6/0x1e0 [13145.271489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13145.271489][ T7704] [13145.273765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13145.273765][ T7704] netdev_get_by_index+0x5e/0x80 [13145.273765][ T7704] fib6_nh_init+0x3d8/0x15b0 [13145.273765][ T7704] ip6_route_info_create+0xf18/0x17d0 [13145.273765][ T7704] addrconf_f6i_alloc+0x315/0x560 [13145.273765][ T7704] ipv6_add_addr+0x411/0x2000 [13145.273765][ T7704] inet6_addr_add+0x30e/0xa40 [13145.273765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13145.273765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13145.273765][ T7704] netlink_rcv_skb+0x130/0x360 [13145.273765][ T7704] netlink_unicast+0x449/0x710 [13145.273765][ T7704] netlink_sendmsg+0x723/0xbe0 [13145.273765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13145.273765][ T7704] ___sys_sendmsg+0xee/0x170 [13145.273765][ T7704] __sys_sendmsg+0xcd/0x170 [13145.273765][ T7704] do_syscall_64+0xc6/0x1e0 [13145.273765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13145.273765][ T7704] [13145.276040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13145.276040][ T7704] netdev_get_by_index+0x5e/0x80 [13145.276040][ T7704] fib6_nh_init+0x3d8/0x15b0 [13145.276040][ T7704] ip6_route_info_create+0xf18/0x17d0 [13145.276040][ T7704] ip6_route_add+0x1c/0x140 [13145.276040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13145.276040][ T7704] addrconf_add_dev+0xe2/0x170 [13145.276040][ T7704] inet6_addr_add+0x12f/0xa40 [13145.276040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13145.276040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13145.276040][ T7704] netlink_rcv_skb+0x130/0x360 [13145.276040][ T7704] netlink_unicast+0x449/0x710 [13145.276040][ T7704] netlink_sendmsg+0x723/0xbe0 [13145.276040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13145.276040][ T7704] ___sys_sendmsg+0xee/0x170 [13145.276040][ T7704] __sys_sendmsg+0xcd/0x170 [13145.276040][ T7704] do_syscall_64+0xc6/0x1e0 [13145.276040][ T7704] [13145.278285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13145.278285][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13145.278285][ T7704] ipv6_find_idev+0x102/0x170 [13145.278285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13145.278285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13145.278285][ T7704] netlink_rcv_skb+0x130/0x360 [13145.278285][ T7704] netlink_unicast+0x449/0x710 [13145.278285][ T7704] netlink_sendmsg+0x723/0xbe0 [13145.278285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13145.278285][ T7704] ___sys_sendmsg+0xee/0x170 [13145.278285][ T7704] __sys_sendmsg+0xcd/0x170 [13145.278285][ T7704] do_syscall_64+0xc6/0x1e0 [13145.278285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13145.278285][ T7704] [13145.280035][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13145.280035][ T7704] neigh_parms_alloc+0x1e5/0x510 [13145.280035][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13145.280035][ T7704] ipv6_find_idev+0x102/0x170 [13145.280035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13145.280035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13145.280035][ T7704] netlink_rcv_skb+0x130/0x360 [13145.280035][ T7704] netlink_unicast+0x449/0x710 [13145.280035][ T7704] netlink_sendmsg+0x723/0xbe0 [13145.280035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13145.280035][ T7704] ___sys_sendmsg+0xee/0x170 [13145.280035][ T7704] __sys_sendmsg+0xcd/0x170 [13145.280035][ T7704] do_syscall_64+0xc6/0x1e0 [13145.280035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13145.280035][ T7704] [13155.286940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13155.287385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13155.287385][ T7704] netdev_get_by_index+0x5e/0x80 [13155.287385][ T7704] fib6_nh_init+0x3d8/0x15b0 [13155.287385][ T7704] ip6_route_info_create+0xf18/0x17d0 [13155.287385][ T7704] ip6_route_add+0x1c/0x140 [13155.287385][ T7704] addrconf_prefix_route+0x2a6/0x430 [13155.287385][ T7704] inet6_addr_add+0x4f8/0xa40 [13155.287385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13155.287385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13155.287385][ T7704] netlink_rcv_skb+0x130/0x360 [13155.287385][ T7704] netlink_unicast+0x449/0x710 [13155.287385][ T7704] netlink_sendmsg+0x723/0xbe0 [13155.287385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13155.287385][ T7704] ___sys_sendmsg+0xee/0x170 [13155.287385][ T7704] __sys_sendmsg+0xcd/0x170 [13155.287385][ T7704] do_syscall_64+0xc6/0x1e0 [13155.287385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13155.287385][ T7704] [13155.289676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13155.289676][ T7704] netdev_get_by_index+0x5e/0x80 [13155.289676][ T7704] fib6_nh_init+0x3d8/0x15b0 [13155.289676][ T7704] ip6_route_info_create+0xf18/0x17d0 [13155.289676][ T7704] addrconf_f6i_alloc+0x315/0x560 [13155.289676][ T7704] ipv6_add_addr+0x411/0x2000 [13155.289676][ T7704] inet6_addr_add+0x30e/0xa40 [13155.289676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13155.289676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13155.289676][ T7704] netlink_rcv_skb+0x130/0x360 [13155.289676][ T7704] netlink_unicast+0x449/0x710 [13155.289676][ T7704] netlink_sendmsg+0x723/0xbe0 [13155.289676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13155.289676][ T7704] ___sys_sendmsg+0xee/0x170 [13155.289676][ T7704] __sys_sendmsg+0xcd/0x170 [13155.289676][ T7704] do_syscall_64+0xc6/0x1e0 [13155.289676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13155.289676][ T7704] [13155.291912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13155.291912][ T7704] netdev_get_by_index+0x5e/0x80 [13155.291912][ T7704] fib6_nh_init+0x3d8/0x15b0 [13155.291912][ T7704] ip6_route_info_create+0xf18/0x17d0 [13155.291912][ T7704] ip6_route_add+0x1c/0x140 [13155.291912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13155.291912][ T7704] addrconf_add_dev+0xe2/0x170 [13155.291912][ T7704] inet6_addr_add+0x12f/0xa40 [13155.291912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13155.291912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13155.291912][ T7704] netlink_rcv_skb+0x130/0x360 [13155.291912][ T7704] netlink_unicast+0x449/0x710 [13155.291912][ T7704] netlink_sendmsg+0x723/0xbe0 [13155.291912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13155.291912][ T7704] ___sys_sendmsg+0xee/0x170 [13155.291912][ T7704] __sys_sendmsg+0xcd/0x170 [13155.291912][ T7704] do_syscall_64+0xc6/0x1e0 [13155.291912][ T7704] [13155.294140][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13155.294140][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13155.294140][ T7704] ipv6_find_idev+0x102/0x170 [13155.294140][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13155.294140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13155.294140][ T7704] netlink_rcv_skb+0x130/0x360 [13155.294140][ T7704] netlink_unicast+0x449/0x710 [13155.294140][ T7704] netlink_sendmsg+0x723/0xbe0 [13155.294140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13155.294140][ T7704] ___sys_sendmsg+0xee/0x170 [13155.294140][ T7704] __sys_sendmsg+0xcd/0x170 [13155.294140][ T7704] do_syscall_64+0xc6/0x1e0 [13155.294140][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13155.294140][ T7704] [13155.295958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13155.295958][ T7704] neigh_parms_alloc+0x1e5/0x510 [13155.295958][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13155.295958][ T7704] ipv6_find_idev+0x102/0x170 [13155.295958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13155.295958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13155.295958][ T7704] netlink_rcv_skb+0x130/0x360 [13155.295958][ T7704] netlink_unicast+0x449/0x710 [13155.295958][ T7704] netlink_sendmsg+0x723/0xbe0 [13155.295958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13155.295958][ T7704] ___sys_sendmsg+0xee/0x170 [13155.295958][ T7704] __sys_sendmsg+0xcd/0x170 [13155.295958][ T7704] do_syscall_64+0xc6/0x1e0 [13155.295958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13155.295958][ T7704] [13165.399019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13165.399536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13165.399536][ T7704] netdev_get_by_index+0x5e/0x80 [13165.399536][ T7704] fib6_nh_init+0x3d8/0x15b0 [13165.399536][ T7704] ip6_route_info_create+0xf18/0x17d0 [13165.399536][ T7704] ip6_route_add+0x1c/0x140 [13165.399536][ T7704] addrconf_prefix_route+0x2a6/0x430 [13165.399536][ T7704] inet6_addr_add+0x4f8/0xa40 [13165.399536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13165.399536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13165.399536][ T7704] netlink_rcv_skb+0x130/0x360 [13165.399536][ T7704] netlink_unicast+0x449/0x710 [13165.399536][ T7704] netlink_sendmsg+0x723/0xbe0 [13165.399536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13165.399536][ T7704] ___sys_sendmsg+0xee/0x170 [13165.399536][ T7704] __sys_sendmsg+0xcd/0x170 [13165.399536][ T7704] do_syscall_64+0xc6/0x1e0 [13165.399536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13165.399536][ T7704] [13165.401818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13165.401818][ T7704] netdev_get_by_index+0x5e/0x80 [13165.401818][ T7704] fib6_nh_init+0x3d8/0x15b0 [13165.401818][ T7704] ip6_route_info_create+0xf18/0x17d0 [13165.401818][ T7704] addrconf_f6i_alloc+0x315/0x560 [13165.401818][ T7704] ipv6_add_addr+0x411/0x2000 [13165.401818][ T7704] inet6_addr_add+0x30e/0xa40 [13165.401818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13165.401818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13165.401818][ T7704] netlink_rcv_skb+0x130/0x360 [13165.401818][ T7704] netlink_unicast+0x449/0x710 [13165.401818][ T7704] netlink_sendmsg+0x723/0xbe0 [13165.401818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13165.401818][ T7704] ___sys_sendmsg+0xee/0x170 [13165.401818][ T7704] __sys_sendmsg+0xcd/0x170 [13165.401818][ T7704] do_syscall_64+0xc6/0x1e0 [13165.401818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13165.401818][ T7704] [13165.403999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13165.403999][ T7704] netdev_get_by_index+0x5e/0x80 [13165.403999][ T7704] fib6_nh_init+0x3d8/0x15b0 [13165.403999][ T7704] ip6_route_info_create+0xf18/0x17d0 [13165.403999][ T7704] ip6_route_add+0x1c/0x140 [13165.403999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13165.403999][ T7704] addrconf_add_dev+0xe2/0x170 [13165.403999][ T7704] inet6_addr_add+0x12f/0xa40 [13165.403999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13165.403999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13165.403999][ T7704] netlink_rcv_skb+0x130/0x360 [13165.403999][ T7704] netlink_unicast+0x449/0x710 [13165.403999][ T7704] netlink_sendmsg+0x723/0xbe0 [13165.403999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13165.403999][ T7704] ___sys_sendmsg+0xee/0x170 [13165.403999][ T7704] __sys_sendmsg+0xcd/0x170 [13165.403999][ T7704] do_syscall_64+0xc6/0x1e0 [13165.403999][ T7704] [13165.406054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13165.406054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13165.406054][ T7704] ipv6_find_idev+0x102/0x170 [13165.406054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13165.406054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13165.406054][ T7704] netlink_rcv_skb+0x130/0x360 [13165.406054][ T7704] netlink_unicast+0x449/0x710 [13165.406054][ T7704] netlink_sendmsg+0x723/0xbe0 [13165.406054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13165.406054][ T7704] ___sys_sendmsg+0xee/0x170 [13165.406054][ T7704] __sys_sendmsg+0xcd/0x170 [13165.406054][ T7704] do_syscall_64+0xc6/0x1e0 [13165.406054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13165.406054][ T7704] [13165.407707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13165.407707][ T7704] neigh_parms_alloc+0x1e5/0x510 [13165.407707][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13165.407707][ T7704] ipv6_find_idev+0x102/0x170 [13165.407707][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13165.407707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13165.407707][ T7704] netlink_rcv_skb+0x130/0x360 [13165.407707][ T7704] netlink_unicast+0x449/0x710 [13165.407707][ T7704] netlink_sendmsg+0x723/0xbe0 [13165.407707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13165.407707][ T7704] ___sys_sendmsg+0xee/0x170 [13165.407707][ T7704] __sys_sendmsg+0xcd/0x170 [13165.407707][ T7704] do_syscall_64+0xc6/0x1e0 [13165.407707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13165.407707][ T7704] [13175.447019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13175.448111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13175.448111][ T7704] netdev_get_by_index+0x5e/0x80 [13175.448111][ T7704] fib6_nh_init+0x3d8/0x15b0 [13175.448111][ T7704] ip6_route_info_create+0xf18/0x17d0 [13175.448111][ T7704] ip6_route_add+0x1c/0x140 [13175.448111][ T7704] addrconf_prefix_route+0x2a6/0x430 [13175.448111][ T7704] inet6_addr_add+0x4f8/0xa40 [13175.448111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13175.448111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13175.448111][ T7704] netlink_rcv_skb+0x130/0x360 [13175.448111][ T7704] netlink_unicast+0x449/0x710 [13175.448111][ T7704] netlink_sendmsg+0x723/0xbe0 [13175.448111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13175.448111][ T7704] ___sys_sendmsg+0xee/0x170 [13175.448111][ T7704] __sys_sendmsg+0xcd/0x170 [13175.448111][ T7704] do_syscall_64+0xc6/0x1e0 [13175.448111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13175.448111][ T7704] [13175.450330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13175.450330][ T7704] netdev_get_by_index+0x5e/0x80 [13175.450330][ T7704] fib6_nh_init+0x3d8/0x15b0 [13175.450330][ T7704] ip6_route_info_create+0xf18/0x17d0 [13175.450330][ T7704] addrconf_f6i_alloc+0x315/0x560 [13175.450330][ T7704] ipv6_add_addr+0x411/0x2000 [13175.450330][ T7704] inet6_addr_add+0x30e/0xa40 [13175.450330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13175.450330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13175.450330][ T7704] netlink_rcv_skb+0x130/0x360 [13175.450330][ T7704] netlink_unicast+0x449/0x710 [13175.450330][ T7704] netlink_sendmsg+0x723/0xbe0 [13175.450330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13175.450330][ T7704] ___sys_sendmsg+0xee/0x170 [13175.450330][ T7704] __sys_sendmsg+0xcd/0x170 [13175.450330][ T7704] do_syscall_64+0xc6/0x1e0 [13175.450330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13175.450330][ T7704] [13175.452545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13175.452545][ T7704] netdev_get_by_index+0x5e/0x80 [13175.452545][ T7704] fib6_nh_init+0x3d8/0x15b0 [13175.452545][ T7704] ip6_route_info_create+0xf18/0x17d0 [13175.452545][ T7704] ip6_route_add+0x1c/0x140 [13175.452545][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13175.452545][ T7704] addrconf_add_dev+0xe2/0x170 [13175.452545][ T7704] inet6_addr_add+0x12f/0xa40 [13175.452545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13175.452545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13175.452545][ T7704] netlink_rcv_skb+0x130/0x360 [13175.452545][ T7704] netlink_unicast+0x449/0x710 [13175.452545][ T7704] netlink_sendmsg+0x723/0xbe0 [13175.452545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13175.452545][ T7704] ___sys_sendmsg+0xee/0x170 [13175.452545][ T7704] __sys_sendmsg+0xcd/0x170 [13175.452545][ T7704] do_syscall_64+0xc6/0x1e0 [13175.452545][ T7704] [13175.454680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13175.454680][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13175.454680][ T7704] ipv6_find_idev+0x102/0x170 [13175.454680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13175.454680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13175.454680][ T7704] netlink_rcv_skb+0x130/0x360 [13175.454680][ T7704] netlink_unicast+0x449/0x710 [13175.454680][ T7704] netlink_sendmsg+0x723/0xbe0 [13175.454680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13175.454680][ T7704] ___sys_sendmsg+0xee/0x170 [13175.454680][ T7704] __sys_sendmsg+0xcd/0x170 [13175.454680][ T7704] do_syscall_64+0xc6/0x1e0 [13175.454680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13175.454680][ T7704] [13175.456350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13175.456350][ T7704] neigh_parms_alloc+0x1e5/0x510 [13175.456350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13175.456350][ T7704] ipv6_find_idev+0x102/0x170 [13175.456350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13175.456350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13175.456350][ T7704] netlink_rcv_skb+0x130/0x360 [13175.456350][ T7704] netlink_unicast+0x449/0x710 [13175.456350][ T7704] netlink_sendmsg+0x723/0xbe0 [13175.456350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13175.456350][ T7704] ___sys_sendmsg+0xee/0x170 [13175.456350][ T7704] __sys_sendmsg+0xcd/0x170 [13175.456350][ T7704] do_syscall_64+0xc6/0x1e0 [13175.456350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13175.456350][ T7704] [13185.695006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13185.696082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13185.696082][ T7704] netdev_get_by_index+0x5e/0x80 [13185.696082][ T7704] fib6_nh_init+0x3d8/0x15b0 [13185.696082][ T7704] ip6_route_info_create+0xf18/0x17d0 [13185.696082][ T7704] ip6_route_add+0x1c/0x140 [13185.696082][ T7704] addrconf_prefix_route+0x2a6/0x430 [13185.696082][ T7704] inet6_addr_add+0x4f8/0xa40 [13185.696082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13185.696082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13185.696082][ T7704] netlink_rcv_skb+0x130/0x360 [13185.696082][ T7704] netlink_unicast+0x449/0x710 [13185.696082][ T7704] netlink_sendmsg+0x723/0xbe0 [13185.696082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13185.696082][ T7704] ___sys_sendmsg+0xee/0x170 [13185.696082][ T7704] __sys_sendmsg+0xcd/0x170 [13185.696082][ T7704] do_syscall_64+0xc6/0x1e0 [13185.696082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13185.696082][ T7704] [13185.698294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13185.698294][ T7704] netdev_get_by_index+0x5e/0x80 [13185.698294][ T7704] fib6_nh_init+0x3d8/0x15b0 [13185.698294][ T7704] ip6_route_info_create+0xf18/0x17d0 [13185.698294][ T7704] addrconf_f6i_alloc+0x315/0x560 [13185.698294][ T7704] ipv6_add_addr+0x411/0x2000 [13185.698294][ T7704] inet6_addr_add+0x30e/0xa40 [13185.698294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13185.698294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13185.698294][ T7704] netlink_rcv_skb+0x130/0x360 [13185.698294][ T7704] netlink_unicast+0x449/0x710 [13185.698294][ T7704] netlink_sendmsg+0x723/0xbe0 [13185.698294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13185.698294][ T7704] ___sys_sendmsg+0xee/0x170 [13185.698294][ T7704] __sys_sendmsg+0xcd/0x170 [13185.698294][ T7704] do_syscall_64+0xc6/0x1e0 [13185.698294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13185.698294][ T7704] [13185.700436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13185.700436][ T7704] netdev_get_by_index+0x5e/0x80 [13185.700436][ T7704] fib6_nh_init+0x3d8/0x15b0 [13185.700436][ T7704] ip6_route_info_create+0xf18/0x17d0 [13185.700436][ T7704] ip6_route_add+0x1c/0x140 [13185.700436][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13185.700436][ T7704] addrconf_add_dev+0xe2/0x170 [13185.700436][ T7704] inet6_addr_add+0x12f/0xa40 [13185.700436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13185.700436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13185.700436][ T7704] netlink_rcv_skb+0x130/0x360 [13185.700436][ T7704] netlink_unicast+0x449/0x710 [13185.700436][ T7704] netlink_sendmsg+0x723/0xbe0 [13185.700436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13185.700436][ T7704] ___sys_sendmsg+0xee/0x170 [13185.700436][ T7704] __sys_sendmsg+0xcd/0x170 [13185.700436][ T7704] do_syscall_64+0xc6/0x1e0 [13185.700436][ T7704] [13185.703049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13185.703049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13185.703049][ T7704] ipv6_find_idev+0x102/0x170 [13185.703049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13185.703049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13185.703049][ T7704] netlink_rcv_skb+0x130/0x360 [13185.703049][ T7704] netlink_unicast+0x449/0x710 [13185.703049][ T7704] netlink_sendmsg+0x723/0xbe0 [13185.703049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13185.703049][ T7704] ___sys_sendmsg+0xee/0x170 [13185.703049][ T7704] __sys_sendmsg+0xcd/0x170 [13185.703049][ T7704] do_syscall_64+0xc6/0x1e0 [13185.703049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13185.703049][ T7704] [13185.704657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13185.704657][ T7704] neigh_parms_alloc+0x1e5/0x510 [13185.704657][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13185.704657][ T7704] ipv6_find_idev+0x102/0x170 [13185.704657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13185.704657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13185.704657][ T7704] netlink_rcv_skb+0x130/0x360 [13185.704657][ T7704] netlink_unicast+0x449/0x710 [13185.704657][ T7704] netlink_sendmsg+0x723/0xbe0 [13185.704657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13185.704657][ T7704] ___sys_sendmsg+0xee/0x170 [13185.704657][ T7704] __sys_sendmsg+0xcd/0x170 [13185.704657][ T7704] do_syscall_64+0xc6/0x1e0 [13185.704657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13185.704657][ T7704] [13195.767025][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13195.767549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13195.767549][ T7704] netdev_get_by_index+0x5e/0x80 [13195.767549][ T7704] fib6_nh_init+0x3d8/0x15b0 [13195.767549][ T7704] ip6_route_info_create+0xf18/0x17d0 [13195.767549][ T7704] ip6_route_add+0x1c/0x140 [13195.767549][ T7704] addrconf_prefix_route+0x2a6/0x430 [13195.767549][ T7704] inet6_addr_add+0x4f8/0xa40 [13195.767549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13195.767549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13195.767549][ T7704] netlink_rcv_skb+0x130/0x360 [13195.767549][ T7704] netlink_unicast+0x449/0x710 [13195.767549][ T7704] netlink_sendmsg+0x723/0xbe0 [13195.767549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13195.767549][ T7704] ___sys_sendmsg+0xee/0x170 [13195.767549][ T7704] __sys_sendmsg+0xcd/0x170 [13195.767549][ T7704] do_syscall_64+0xc6/0x1e0 [13195.767549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13195.767549][ T7704] [13195.769826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13195.769826][ T7704] netdev_get_by_index+0x5e/0x80 [13195.769826][ T7704] fib6_nh_init+0x3d8/0x15b0 [13195.769826][ T7704] ip6_route_info_create+0xf18/0x17d0 [13195.769826][ T7704] addrconf_f6i_alloc+0x315/0x560 [13195.769826][ T7704] ipv6_add_addr+0x411/0x2000 [13195.769826][ T7704] inet6_addr_add+0x30e/0xa40 [13195.769826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13195.769826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13195.769826][ T7704] netlink_rcv_skb+0x130/0x360 [13195.769826][ T7704] netlink_unicast+0x449/0x710 [13195.769826][ T7704] netlink_sendmsg+0x723/0xbe0 [13195.769826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13195.769826][ T7704] ___sys_sendmsg+0xee/0x170 [13195.769826][ T7704] __sys_sendmsg+0xcd/0x170 [13195.769826][ T7704] do_syscall_64+0xc6/0x1e0 [13195.769826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13195.769826][ T7704] [13195.771989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13195.771989][ T7704] netdev_get_by_index+0x5e/0x80 [13195.771989][ T7704] fib6_nh_init+0x3d8/0x15b0 [13195.771989][ T7704] ip6_route_info_create+0xf18/0x17d0 [13195.771989][ T7704] ip6_route_add+0x1c/0x140 [13195.771989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13195.771989][ T7704] addrconf_add_dev+0xe2/0x170 [13195.771989][ T7704] inet6_addr_add+0x12f/0xa40 [13195.771989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13195.771989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13195.771989][ T7704] netlink_rcv_skb+0x130/0x360 [13195.771989][ T7704] netlink_unicast+0x449/0x710 [13195.771989][ T7704] netlink_sendmsg+0x723/0xbe0 [13195.771989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13195.771989][ T7704] ___sys_sendmsg+0xee/0x170 [13195.771989][ T7704] __sys_sendmsg+0xcd/0x170 [13195.771989][ T7704] do_syscall_64+0xc6/0x1e0 [13195.771989][ T7704] [13195.774171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13195.774171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13195.774171][ T7704] ipv6_find_idev+0x102/0x170 [13195.774171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13195.774171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13195.774171][ T7704] netlink_rcv_skb+0x130/0x360 [13195.774171][ T7704] netlink_unicast+0x449/0x710 [13195.774171][ T7704] netlink_sendmsg+0x723/0xbe0 [13195.774171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13195.774171][ T7704] ___sys_sendmsg+0xee/0x170 [13195.774171][ T7704] __sys_sendmsg+0xcd/0x170 [13195.774171][ T7704] do_syscall_64+0xc6/0x1e0 [13195.774171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13195.774171][ T7704] [13195.775843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13195.775843][ T7704] neigh_parms_alloc+0x1e5/0x510 [13195.775843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13195.775843][ T7704] ipv6_find_idev+0x102/0x170 [13195.775843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13195.775843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13195.775843][ T7704] netlink_rcv_skb+0x130/0x360 [13195.775843][ T7704] netlink_unicast+0x449/0x710 [13195.775843][ T7704] netlink_sendmsg+0x723/0xbe0 [13195.775843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13195.775843][ T7704] ___sys_sendmsg+0xee/0x170 [13195.775843][ T7704] __sys_sendmsg+0xcd/0x170 [13195.775843][ T7704] do_syscall_64+0xc6/0x1e0 [13195.775843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13195.775843][ T7704] [13205.862954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13205.863501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13205.863501][ T7704] netdev_get_by_index+0x5e/0x80 [13205.863501][ T7704] fib6_nh_init+0x3d8/0x15b0 [13205.863501][ T7704] ip6_route_info_create+0xf18/0x17d0 [13205.863501][ T7704] ip6_route_add+0x1c/0x140 [13205.863501][ T7704] addrconf_prefix_route+0x2a6/0x430 [13205.863501][ T7704] inet6_addr_add+0x4f8/0xa40 [13205.863501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13205.863501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13205.863501][ T7704] netlink_rcv_skb+0x130/0x360 [13205.863501][ T7704] netlink_unicast+0x449/0x710 [13205.863501][ T7704] netlink_sendmsg+0x723/0xbe0 [13205.863501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13205.863501][ T7704] ___sys_sendmsg+0xee/0x170 [13205.863501][ T7704] __sys_sendmsg+0xcd/0x170 [13205.863501][ T7704] do_syscall_64+0xc6/0x1e0 [13205.863501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13205.863501][ T7704] [13205.866187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13205.866187][ T7704] netdev_get_by_index+0x5e/0x80 [13205.866187][ T7704] fib6_nh_init+0x3d8/0x15b0 [13205.866187][ T7704] ip6_route_info_create+0xf18/0x17d0 [13205.866187][ T7704] addrconf_f6i_alloc+0x315/0x560 [13205.866187][ T7704] ipv6_add_addr+0x411/0x2000 [13205.866187][ T7704] inet6_addr_add+0x30e/0xa40 [13205.866187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13205.866187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13205.866187][ T7704] netlink_rcv_skb+0x130/0x360 [13205.866187][ T7704] netlink_unicast+0x449/0x710 [13205.866187][ T7704] netlink_sendmsg+0x723/0xbe0 [13205.866187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13205.866187][ T7704] ___sys_sendmsg+0xee/0x170 [13205.866187][ T7704] __sys_sendmsg+0xcd/0x170 [13205.866187][ T7704] do_syscall_64+0xc6/0x1e0 [13205.866187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13205.866187][ T7704] [13205.868434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13205.868434][ T7704] netdev_get_by_index+0x5e/0x80 [13205.868434][ T7704] fib6_nh_init+0x3d8/0x15b0 [13205.868434][ T7704] ip6_route_info_create+0xf18/0x17d0 [13205.868434][ T7704] ip6_route_add+0x1c/0x140 [13205.868434][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13205.868434][ T7704] addrconf_add_dev+0xe2/0x170 [13205.868434][ T7704] inet6_addr_add+0x12f/0xa40 [13205.868434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13205.868434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13205.868434][ T7704] netlink_rcv_skb+0x130/0x360 [13205.868434][ T7704] netlink_unicast+0x449/0x710 [13205.868434][ T7704] netlink_sendmsg+0x723/0xbe0 [13205.868434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13205.868434][ T7704] ___sys_sendmsg+0xee/0x170 [13205.868434][ T7704] __sys_sendmsg+0xcd/0x170 [13205.868434][ T7704] do_syscall_64+0xc6/0x1e0 [13205.868434][ T7704] [13205.870590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13205.870590][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13205.870590][ T7704] ipv6_find_idev+0x102/0x170 [13205.870590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13205.870590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13205.870590][ T7704] netlink_rcv_skb+0x130/0x360 [13205.870590][ T7704] netlink_unicast+0x449/0x710 [13205.870590][ T7704] netlink_sendmsg+0x723/0xbe0 [13205.870590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13205.870590][ T7704] ___sys_sendmsg+0xee/0x170 [13205.870590][ T7704] __sys_sendmsg+0xcd/0x170 [13205.870590][ T7704] do_syscall_64+0xc6/0x1e0 [13205.870590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13205.870590][ T7704] [13205.872253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13205.872253][ T7704] neigh_parms_alloc+0x1e5/0x510 [13205.872253][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13205.872253][ T7704] ipv6_find_idev+0x102/0x170 [13205.872253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13205.872253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13205.872253][ T7704] netlink_rcv_skb+0x130/0x360 [13205.872253][ T7704] netlink_unicast+0x449/0x710 [13205.872253][ T7704] netlink_sendmsg+0x723/0xbe0 [13205.872253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13205.872253][ T7704] ___sys_sendmsg+0xee/0x170 [13205.872253][ T7704] __sys_sendmsg+0xcd/0x170 [13205.872253][ T7704] do_syscall_64+0xc6/0x1e0 [13205.872253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13205.872253][ T7704] [13216.111000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13216.111504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13216.111504][ T7704] netdev_get_by_index+0x5e/0x80 [13216.111504][ T7704] fib6_nh_init+0x3d8/0x15b0 [13216.111504][ T7704] ip6_route_info_create+0xf18/0x17d0 [13216.111504][ T7704] ip6_route_add+0x1c/0x140 [13216.111504][ T7704] addrconf_prefix_route+0x2a6/0x430 [13216.111504][ T7704] inet6_addr_add+0x4f8/0xa40 [13216.111504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13216.111504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13216.111504][ T7704] netlink_rcv_skb+0x130/0x360 [13216.111504][ T7704] netlink_unicast+0x449/0x710 [13216.111504][ T7704] netlink_sendmsg+0x723/0xbe0 [13216.111504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13216.111504][ T7704] ___sys_sendmsg+0xee/0x170 [13216.111504][ T7704] __sys_sendmsg+0xcd/0x170 [13216.111504][ T7704] do_syscall_64+0xc6/0x1e0 [13216.111504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13216.111504][ T7704] [13216.113800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13216.113800][ T7704] netdev_get_by_index+0x5e/0x80 [13216.113800][ T7704] fib6_nh_init+0x3d8/0x15b0 [13216.113800][ T7704] ip6_route_info_create+0xf18/0x17d0 [13216.113800][ T7704] addrconf_f6i_alloc+0x315/0x560 [13216.113800][ T7704] ipv6_add_addr+0x411/0x2000 [13216.113800][ T7704] inet6_addr_add+0x30e/0xa40 [13216.113800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13216.113800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13216.113800][ T7704] netlink_rcv_skb+0x130/0x360 [13216.113800][ T7704] netlink_unicast+0x449/0x710 [13216.113800][ T7704] netlink_sendmsg+0x723/0xbe0 [13216.113800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13216.113800][ T7704] ___sys_sendmsg+0xee/0x170 [13216.113800][ T7704] __sys_sendmsg+0xcd/0x170 [13216.113800][ T7704] do_syscall_64+0xc6/0x1e0 [13216.113800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13216.113800][ T7704] [13216.116043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13216.116043][ T7704] netdev_get_by_index+0x5e/0x80 [13216.116043][ T7704] fib6_nh_init+0x3d8/0x15b0 [13216.116043][ T7704] ip6_route_info_create+0xf18/0x17d0 [13216.116043][ T7704] ip6_route_add+0x1c/0x140 [13216.116043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13216.116043][ T7704] addrconf_add_dev+0xe2/0x170 [13216.116043][ T7704] inet6_addr_add+0x12f/0xa40 [13216.116043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13216.116043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13216.116043][ T7704] netlink_rcv_skb+0x130/0x360 [13216.116043][ T7704] netlink_unicast+0x449/0x710 [13216.116043][ T7704] netlink_sendmsg+0x723/0xbe0 [13216.116043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13216.116043][ T7704] ___sys_sendmsg+0xee/0x170 [13216.116043][ T7704] __sys_sendmsg+0xcd/0x170 [13216.116043][ T7704] do_syscall_64+0xc6/0x1e0 [13216.116043][ T7704] [13216.118233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13216.118233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13216.118233][ T7704] ipv6_find_idev+0x102/0x170 [13216.118233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13216.118233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13216.118233][ T7704] netlink_rcv_skb+0x130/0x360 [13216.118233][ T7704] netlink_unicast+0x449/0x710 [13216.118233][ T7704] netlink_sendmsg+0x723/0xbe0 [13216.118233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13216.118233][ T7704] ___sys_sendmsg+0xee/0x170 [13216.118233][ T7704] __sys_sendmsg+0xcd/0x170 [13216.118233][ T7704] do_syscall_64+0xc6/0x1e0 [13216.118233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13216.118233][ T7704] [13216.119953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13216.119953][ T7704] neigh_parms_alloc+0x1e5/0x510 [13216.119953][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13216.119953][ T7704] ipv6_find_idev+0x102/0x170 [13216.119953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13216.119953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13216.119953][ T7704] netlink_rcv_skb+0x130/0x360 [13216.119953][ T7704] netlink_unicast+0x449/0x710 [13216.119953][ T7704] netlink_sendmsg+0x723/0xbe0 [13216.119953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13216.119953][ T7704] ___sys_sendmsg+0xee/0x170 [13216.119953][ T7704] __sys_sendmsg+0xcd/0x170 [13216.119953][ T7704] do_syscall_64+0xc6/0x1e0 [13216.119953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13216.119953][ T7704] [13226.358943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13226.359456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13226.359456][ T7704] netdev_get_by_index+0x5e/0x80 [13226.359456][ T7704] fib6_nh_init+0x3d8/0x15b0 [13226.359456][ T7704] ip6_route_info_create+0xf18/0x17d0 [13226.359456][ T7704] ip6_route_add+0x1c/0x140 [13226.359456][ T7704] addrconf_prefix_route+0x2a6/0x430 [13226.359456][ T7704] inet6_addr_add+0x4f8/0xa40 [13226.359456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13226.359456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13226.359456][ T7704] netlink_rcv_skb+0x130/0x360 [13226.359456][ T7704] netlink_unicast+0x449/0x710 [13226.359456][ T7704] netlink_sendmsg+0x723/0xbe0 [13226.359456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13226.359456][ T7704] ___sys_sendmsg+0xee/0x170 [13226.359456][ T7704] __sys_sendmsg+0xcd/0x170 [13226.359456][ T7704] do_syscall_64+0xc6/0x1e0 [13226.359456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13226.359456][ T7704] [13226.361687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13226.361687][ T7704] netdev_get_by_index+0x5e/0x80 [13226.361687][ T7704] fib6_nh_init+0x3d8/0x15b0 [13226.361687][ T7704] ip6_route_info_create+0xf18/0x17d0 [13226.361687][ T7704] addrconf_f6i_alloc+0x315/0x560 [13226.361687][ T7704] ipv6_add_addr+0x411/0x2000 [13226.361687][ T7704] inet6_addr_add+0x30e/0xa40 [13226.361687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13226.361687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13226.361687][ T7704] netlink_rcv_skb+0x130/0x360 [13226.361687][ T7704] netlink_unicast+0x449/0x710 [13226.361687][ T7704] netlink_sendmsg+0x723/0xbe0 [13226.361687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13226.361687][ T7704] ___sys_sendmsg+0xee/0x170 [13226.361687][ T7704] __sys_sendmsg+0xcd/0x170 [13226.361687][ T7704] do_syscall_64+0xc6/0x1e0 [13226.361687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13226.361687][ T7704] [13226.363890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13226.363890][ T7704] netdev_get_by_index+0x5e/0x80 [13226.363890][ T7704] fib6_nh_init+0x3d8/0x15b0 [13226.363890][ T7704] ip6_route_info_create+0xf18/0x17d0 [13226.363890][ T7704] ip6_route_add+0x1c/0x140 [13226.363890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13226.363890][ T7704] addrconf_add_dev+0xe2/0x170 [13226.363890][ T7704] inet6_addr_add+0x12f/0xa40 [13226.363890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13226.363890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13226.363890][ T7704] netlink_rcv_skb+0x130/0x360 [13226.363890][ T7704] netlink_unicast+0x449/0x710 [13226.363890][ T7704] netlink_sendmsg+0x723/0xbe0 [13226.363890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13226.363890][ T7704] ___sys_sendmsg+0xee/0x170 [13226.363890][ T7704] __sys_sendmsg+0xcd/0x170 [13226.363890][ T7704] do_syscall_64+0xc6/0x1e0 [13226.363890][ T7704] [13226.366030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13226.366030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13226.366030][ T7704] ipv6_find_idev+0x102/0x170 [13226.366030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13226.366030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13226.366030][ T7704] netlink_rcv_skb+0x130/0x360 [13226.366030][ T7704] netlink_unicast+0x449/0x710 [13226.366030][ T7704] netlink_sendmsg+0x723/0xbe0 [13226.366030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13226.366030][ T7704] ___sys_sendmsg+0xee/0x170 [13226.366030][ T7704] __sys_sendmsg+0xcd/0x170 [13226.366030][ T7704] do_syscall_64+0xc6/0x1e0 [13226.366030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13226.366030][ T7704] [13226.367699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13226.367699][ T7704] neigh_parms_alloc+0x1e5/0x510 [13226.367699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13226.367699][ T7704] ipv6_find_idev+0x102/0x170 [13226.367699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13226.367699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13226.367699][ T7704] netlink_rcv_skb+0x130/0x360 [13226.367699][ T7704] netlink_unicast+0x449/0x710 [13226.367699][ T7704] netlink_sendmsg+0x723/0xbe0 [13226.367699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13226.367699][ T7704] ___sys_sendmsg+0xee/0x170 [13226.367699][ T7704] __sys_sendmsg+0xcd/0x170 [13226.367699][ T7704] do_syscall_64+0xc6/0x1e0 [13226.367699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13226.367699][ T7704] [13236.607064][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13236.607546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13236.607546][ T7704] netdev_get_by_index+0x5e/0x80 [13236.607546][ T7704] fib6_nh_init+0x3d8/0x15b0 [13236.607546][ T7704] ip6_route_info_create+0xf18/0x17d0 [13236.607546][ T7704] ip6_route_add+0x1c/0x140 [13236.607546][ T7704] addrconf_prefix_route+0x2a6/0x430 [13236.607546][ T7704] inet6_addr_add+0x4f8/0xa40 [13236.607546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13236.607546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13236.607546][ T7704] netlink_rcv_skb+0x130/0x360 [13236.607546][ T7704] netlink_unicast+0x449/0x710 [13236.607546][ T7704] netlink_sendmsg+0x723/0xbe0 [13236.607546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13236.607546][ T7704] ___sys_sendmsg+0xee/0x170 [13236.607546][ T7704] __sys_sendmsg+0xcd/0x170 [13236.607546][ T7704] do_syscall_64+0xc6/0x1e0 [13236.607546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13236.607546][ T7704] [13236.609864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13236.609864][ T7704] netdev_get_by_index+0x5e/0x80 [13236.609864][ T7704] fib6_nh_init+0x3d8/0x15b0 [13236.609864][ T7704] ip6_route_info_create+0xf18/0x17d0 [13236.609864][ T7704] addrconf_f6i_alloc+0x315/0x560 [13236.609864][ T7704] ipv6_add_addr+0x411/0x2000 [13236.609864][ T7704] inet6_addr_add+0x30e/0xa40 [13236.609864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13236.609864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13236.609864][ T7704] netlink_rcv_skb+0x130/0x360 [13236.609864][ T7704] netlink_unicast+0x449/0x710 [13236.609864][ T7704] netlink_sendmsg+0x723/0xbe0 [13236.609864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13236.609864][ T7704] ___sys_sendmsg+0xee/0x170 [13236.609864][ T7704] __sys_sendmsg+0xcd/0x170 [13236.609864][ T7704] do_syscall_64+0xc6/0x1e0 [13236.609864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13236.609864][ T7704] [13236.612085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13236.612085][ T7704] netdev_get_by_index+0x5e/0x80 [13236.612085][ T7704] fib6_nh_init+0x3d8/0x15b0 [13236.612085][ T7704] ip6_route_info_create+0xf18/0x17d0 [13236.612085][ T7704] ip6_route_add+0x1c/0x140 [13236.612085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13236.612085][ T7704] addrconf_add_dev+0xe2/0x170 [13236.612085][ T7704] inet6_addr_add+0x12f/0xa40 [13236.612085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13236.612085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13236.612085][ T7704] netlink_rcv_skb+0x130/0x360 [13236.612085][ T7704] netlink_unicast+0x449/0x710 [13236.612085][ T7704] netlink_sendmsg+0x723/0xbe0 [13236.612085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13236.612085][ T7704] ___sys_sendmsg+0xee/0x170 [13236.612085][ T7704] __sys_sendmsg+0xcd/0x170 [13236.612085][ T7704] do_syscall_64+0xc6/0x1e0 [13236.612085][ T7704] [13236.614224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13236.614224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13236.614224][ T7704] ipv6_find_idev+0x102/0x170 [13236.614224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13236.614224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13236.614224][ T7704] netlink_rcv_skb+0x130/0x360 [13236.614224][ T7704] netlink_unicast+0x449/0x710 [13236.614224][ T7704] netlink_sendmsg+0x723/0xbe0 [13236.614224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13236.614224][ T7704] ___sys_sendmsg+0xee/0x170 [13236.614224][ T7704] __sys_sendmsg+0xcd/0x170 [13236.614224][ T7704] do_syscall_64+0xc6/0x1e0 [13236.614224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13236.614224][ T7704] [13236.615927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13236.615927][ T7704] neigh_parms_alloc+0x1e5/0x510 [13236.615927][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13236.615927][ T7704] ipv6_find_idev+0x102/0x170 [13236.615927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13236.615927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13236.615927][ T7704] netlink_rcv_skb+0x130/0x360 [13236.615927][ T7704] netlink_unicast+0x449/0x710 [13236.615927][ T7704] netlink_sendmsg+0x723/0xbe0 [13236.615927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13236.615927][ T7704] ___sys_sendmsg+0xee/0x170 [13236.615927][ T7704] __sys_sendmsg+0xcd/0x170 [13236.615927][ T7704] do_syscall_64+0xc6/0x1e0 [13236.615927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13236.615927][ T7704] [13246.727102][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13246.727624][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13246.727624][ T7704] netdev_get_by_index+0x5e/0x80 [13246.727624][ T7704] fib6_nh_init+0x3d8/0x15b0 [13246.727624][ T7704] ip6_route_info_create+0xf18/0x17d0 [13246.727624][ T7704] ip6_route_add+0x1c/0x140 [13246.727624][ T7704] addrconf_prefix_route+0x2a6/0x430 [13246.727624][ T7704] inet6_addr_add+0x4f8/0xa40 [13246.727624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13246.727624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13246.727624][ T7704] netlink_rcv_skb+0x130/0x360 [13246.727624][ T7704] netlink_unicast+0x449/0x710 [13246.727624][ T7704] netlink_sendmsg+0x723/0xbe0 [13246.727624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13246.727624][ T7704] ___sys_sendmsg+0xee/0x170 [13246.727624][ T7704] __sys_sendmsg+0xcd/0x170 [13246.727624][ T7704] do_syscall_64+0xc6/0x1e0 [13246.727624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13246.727624][ T7704] [13246.730428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13246.730428][ T7704] netdev_get_by_index+0x5e/0x80 [13246.730428][ T7704] fib6_nh_init+0x3d8/0x15b0 [13246.730428][ T7704] ip6_route_info_create+0xf18/0x17d0 [13246.730428][ T7704] addrconf_f6i_alloc+0x315/0x560 [13246.730428][ T7704] ipv6_add_addr+0x411/0x2000 [13246.730428][ T7704] inet6_addr_add+0x30e/0xa40 [13246.730428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13246.730428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13246.730428][ T7704] netlink_rcv_skb+0x130/0x360 [13246.730428][ T7704] netlink_unicast+0x449/0x710 [13246.730428][ T7704] netlink_sendmsg+0x723/0xbe0 [13246.730428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13246.730428][ T7704] ___sys_sendmsg+0xee/0x170 [13246.730428][ T7704] __sys_sendmsg+0xcd/0x170 [13246.730428][ T7704] do_syscall_64+0xc6/0x1e0 [13246.730428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13246.730428][ T7704] [13246.732660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13246.732660][ T7704] netdev_get_by_index+0x5e/0x80 [13246.732660][ T7704] fib6_nh_init+0x3d8/0x15b0 [13246.732660][ T7704] ip6_route_info_create+0xf18/0x17d0 [13246.732660][ T7704] ip6_route_add+0x1c/0x140 [13246.732660][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13246.732660][ T7704] addrconf_add_dev+0xe2/0x170 [13246.732660][ T7704] inet6_addr_add+0x12f/0xa40 [13246.732660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13246.732660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13246.732660][ T7704] netlink_rcv_skb+0x130/0x360 [13246.732660][ T7704] netlink_unicast+0x449/0x710 [13246.732660][ T7704] netlink_sendmsg+0x723/0xbe0 [13246.732660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13246.732660][ T7704] ___sys_sendmsg+0xee/0x170 [13246.732660][ T7704] __sys_sendmsg+0xcd/0x170 [13246.732660][ T7704] do_syscall_64+0xc6/0x1e0 [13246.732660][ T7704] [13246.734850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13246.734850][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13246.734850][ T7704] ipv6_find_idev+0x102/0x170 [13246.734850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13246.734850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13246.734850][ T7704] netlink_rcv_skb+0x130/0x360 [13246.734850][ T7704] netlink_unicast+0x449/0x710 [13246.734850][ T7704] netlink_sendmsg+0x723/0xbe0 [13246.734850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13246.734850][ T7704] ___sys_sendmsg+0xee/0x170 [13246.734850][ T7704] __sys_sendmsg+0xcd/0x170 [13246.734850][ T7704] do_syscall_64+0xc6/0x1e0 [13246.734850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13246.734850][ T7704] [13246.736570][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13246.736570][ T7704] neigh_parms_alloc+0x1e5/0x510 [13246.736570][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13246.736570][ T7704] ipv6_find_idev+0x102/0x170 [13246.736570][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13246.736570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13246.736570][ T7704] netlink_rcv_skb+0x130/0x360 [13246.736570][ T7704] netlink_unicast+0x449/0x710 [13246.736570][ T7704] netlink_sendmsg+0x723/0xbe0 [13246.736570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13246.736570][ T7704] ___sys_sendmsg+0xee/0x170 [13246.736570][ T7704] __sys_sendmsg+0xcd/0x170 [13246.736570][ T7704] do_syscall_64+0xc6/0x1e0 [13246.736570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13246.736570][ T7704] [13256.983012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13256.984148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13256.984148][ T7704] netdev_get_by_index+0x5e/0x80 [13256.984148][ T7704] fib6_nh_init+0x3d8/0x15b0 [13256.984148][ T7704] ip6_route_info_create+0xf18/0x17d0 [13256.984148][ T7704] ip6_route_add+0x1c/0x140 [13256.984148][ T7704] addrconf_prefix_route+0x2a6/0x430 [13256.984148][ T7704] inet6_addr_add+0x4f8/0xa40 [13256.984148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13256.984148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13256.984148][ T7704] netlink_rcv_skb+0x130/0x360 [13256.984148][ T7704] netlink_unicast+0x449/0x710 [13256.984148][ T7704] netlink_sendmsg+0x723/0xbe0 [13256.984148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13256.984148][ T7704] ___sys_sendmsg+0xee/0x170 [13256.984148][ T7704] __sys_sendmsg+0xcd/0x170 [13256.984148][ T7704] do_syscall_64+0xc6/0x1e0 [13256.984148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13256.984148][ T7704] [13256.986355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13256.986355][ T7704] netdev_get_by_index+0x5e/0x80 [13256.986355][ T7704] fib6_nh_init+0x3d8/0x15b0 [13256.986355][ T7704] ip6_route_info_create+0xf18/0x17d0 [13256.986355][ T7704] addrconf_f6i_alloc+0x315/0x560 [13256.986355][ T7704] ipv6_add_addr+0x411/0x2000 [13256.986355][ T7704] inet6_addr_add+0x30e/0xa40 [13256.986355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13256.986355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13256.986355][ T7704] netlink_rcv_skb+0x130/0x360 [13256.986355][ T7704] netlink_unicast+0x449/0x710 [13256.986355][ T7704] netlink_sendmsg+0x723/0xbe0 [13256.986355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13256.986355][ T7704] ___sys_sendmsg+0xee/0x170 [13256.986355][ T7704] __sys_sendmsg+0xcd/0x170 [13256.986355][ T7704] do_syscall_64+0xc6/0x1e0 [13256.986355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13256.986355][ T7704] [13256.988548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13256.988548][ T7704] netdev_get_by_index+0x5e/0x80 [13256.988548][ T7704] fib6_nh_init+0x3d8/0x15b0 [13256.988548][ T7704] ip6_route_info_create+0xf18/0x17d0 [13256.988548][ T7704] ip6_route_add+0x1c/0x140 [13256.988548][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13256.988548][ T7704] addrconf_add_dev+0xe2/0x170 [13256.988548][ T7704] inet6_addr_add+0x12f/0xa40 [13256.988548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13256.988548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13256.988548][ T7704] netlink_rcv_skb+0x130/0x360 [13256.988548][ T7704] netlink_unicast+0x449/0x710 [13256.988548][ T7704] netlink_sendmsg+0x723/0xbe0 [13256.988548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13256.988548][ T7704] ___sys_sendmsg+0xee/0x170 [13256.988548][ T7704] __sys_sendmsg+0xcd/0x170 [13256.988548][ T7704] do_syscall_64+0xc6/0x1e0 [13256.988548][ T7704] [13256.990677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13256.990677][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13256.990677][ T7704] ipv6_find_idev+0x102/0x170 [13256.990677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13256.990677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13256.990677][ T7704] netlink_rcv_skb+0x130/0x360 [13256.990677][ T7704] netlink_unicast+0x449/0x710 [13256.990677][ T7704] netlink_sendmsg+0x723/0xbe0 [13256.990677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13256.990677][ T7704] ___sys_sendmsg+0xee/0x170 [13256.990677][ T7704] __sys_sendmsg+0xcd/0x170 [13256.990677][ T7704] do_syscall_64+0xc6/0x1e0 [13256.990677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13256.990677][ T7704] [13256.992341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13256.992341][ T7704] neigh_parms_alloc+0x1e5/0x510 [13256.992341][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13256.992341][ T7704] ipv6_find_idev+0x102/0x170 [13256.992341][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13256.992341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13256.992341][ T7704] netlink_rcv_skb+0x130/0x360 [13256.992341][ T7704] netlink_unicast+0x449/0x710 [13256.992341][ T7704] netlink_sendmsg+0x723/0xbe0 [13256.992341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13256.992341][ T7704] ___sys_sendmsg+0xee/0x170 [13256.992341][ T7704] __sys_sendmsg+0xcd/0x170 [13256.992341][ T7704] do_syscall_64+0xc6/0x1e0 [13256.992341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13256.992341][ T7704] [13267.230967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13267.231468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13267.231468][ T7704] netdev_get_by_index+0x5e/0x80 [13267.231468][ T7704] fib6_nh_init+0x3d8/0x15b0 [13267.231468][ T7704] ip6_route_info_create+0xf18/0x17d0 [13267.231468][ T7704] ip6_route_add+0x1c/0x140 [13267.231468][ T7704] addrconf_prefix_route+0x2a6/0x430 [13267.231468][ T7704] inet6_addr_add+0x4f8/0xa40 [13267.231468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13267.231468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13267.231468][ T7704] netlink_rcv_skb+0x130/0x360 [13267.231468][ T7704] netlink_unicast+0x449/0x710 [13267.231468][ T7704] netlink_sendmsg+0x723/0xbe0 [13267.231468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13267.231468][ T7704] ___sys_sendmsg+0xee/0x170 [13267.231468][ T7704] __sys_sendmsg+0xcd/0x170 [13267.231468][ T7704] do_syscall_64+0xc6/0x1e0 [13267.231468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13267.231468][ T7704] [13267.233674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13267.233674][ T7704] netdev_get_by_index+0x5e/0x80 [13267.233674][ T7704] fib6_nh_init+0x3d8/0x15b0 [13267.233674][ T7704] ip6_route_info_create+0xf18/0x17d0 [13267.233674][ T7704] addrconf_f6i_alloc+0x315/0x560 [13267.233674][ T7704] ipv6_add_addr+0x411/0x2000 [13267.233674][ T7704] inet6_addr_add+0x30e/0xa40 [13267.233674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13267.233674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13267.233674][ T7704] netlink_rcv_skb+0x130/0x360 [13267.233674][ T7704] netlink_unicast+0x449/0x710 [13267.233674][ T7704] netlink_sendmsg+0x723/0xbe0 [13267.233674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13267.233674][ T7704] ___sys_sendmsg+0xee/0x170 [13267.233674][ T7704] __sys_sendmsg+0xcd/0x170 [13267.233674][ T7704] do_syscall_64+0xc6/0x1e0 [13267.233674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13267.233674][ T7704] [13267.235898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13267.235898][ T7704] netdev_get_by_index+0x5e/0x80 [13267.235898][ T7704] fib6_nh_init+0x3d8/0x15b0 [13267.235898][ T7704] ip6_route_info_create+0xf18/0x17d0 [13267.235898][ T7704] ip6_route_add+0x1c/0x140 [13267.235898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13267.235898][ T7704] addrconf_add_dev+0xe2/0x170 [13267.235898][ T7704] inet6_addr_add+0x12f/0xa40 [13267.235898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13267.235898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13267.235898][ T7704] netlink_rcv_skb+0x130/0x360 [13267.235898][ T7704] netlink_unicast+0x449/0x710 [13267.235898][ T7704] netlink_sendmsg+0x723/0xbe0 [13267.235898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13267.235898][ T7704] ___sys_sendmsg+0xee/0x170 [13267.235898][ T7704] __sys_sendmsg+0xcd/0x170 [13267.235898][ T7704] do_syscall_64+0xc6/0x1e0 [13267.235898][ T7704] [13267.238128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13267.238128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13267.238128][ T7704] ipv6_find_idev+0x102/0x170 [13267.238128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13267.238128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13267.238128][ T7704] netlink_rcv_skb+0x130/0x360 [13267.238128][ T7704] netlink_unicast+0x449/0x710 [13267.238128][ T7704] netlink_sendmsg+0x723/0xbe0 [13267.238128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13267.238128][ T7704] ___sys_sendmsg+0xee/0x170 [13267.238128][ T7704] __sys_sendmsg+0xcd/0x170 [13267.238128][ T7704] do_syscall_64+0xc6/0x1e0 [13267.238128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13267.238128][ T7704] [13267.239859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13267.239859][ T7704] neigh_parms_alloc+0x1e5/0x510 [13267.239859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13267.239859][ T7704] ipv6_find_idev+0x102/0x170 [13267.239859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13267.239859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13267.239859][ T7704] netlink_rcv_skb+0x130/0x360 [13267.239859][ T7704] netlink_unicast+0x449/0x710 [13267.239859][ T7704] netlink_sendmsg+0x723/0xbe0 [13267.239859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13267.239859][ T7704] ___sys_sendmsg+0xee/0x170 [13267.239859][ T7704] __sys_sendmsg+0xcd/0x170 [13267.239859][ T7704] do_syscall_64+0xc6/0x1e0 [13267.239859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13267.239859][ T7704] [13277.479014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13277.480138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13277.480138][ T7704] netdev_get_by_index+0x5e/0x80 [13277.480138][ T7704] fib6_nh_init+0x3d8/0x15b0 [13277.480138][ T7704] ip6_route_info_create+0xf18/0x17d0 [13277.480138][ T7704] ip6_route_add+0x1c/0x140 [13277.480138][ T7704] addrconf_prefix_route+0x2a6/0x430 [13277.480138][ T7704] inet6_addr_add+0x4f8/0xa40 [13277.480138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13277.480138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13277.480138][ T7704] netlink_rcv_skb+0x130/0x360 [13277.480138][ T7704] netlink_unicast+0x449/0x710 [13277.480138][ T7704] netlink_sendmsg+0x723/0xbe0 [13277.480138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13277.480138][ T7704] ___sys_sendmsg+0xee/0x170 [13277.480138][ T7704] __sys_sendmsg+0xcd/0x170 [13277.480138][ T7704] do_syscall_64+0xc6/0x1e0 [13277.480138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13277.480138][ T7704] [13277.482307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13277.482307][ T7704] netdev_get_by_index+0x5e/0x80 [13277.482307][ T7704] fib6_nh_init+0x3d8/0x15b0 [13277.482307][ T7704] ip6_route_info_create+0xf18/0x17d0 [13277.482307][ T7704] addrconf_f6i_alloc+0x315/0x560 [13277.482307][ T7704] ipv6_add_addr+0x411/0x2000 [13277.482307][ T7704] inet6_addr_add+0x30e/0xa40 [13277.482307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13277.482307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13277.482307][ T7704] netlink_rcv_skb+0x130/0x360 [13277.482307][ T7704] netlink_unicast+0x449/0x710 [13277.482307][ T7704] netlink_sendmsg+0x723/0xbe0 [13277.482307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13277.482307][ T7704] ___sys_sendmsg+0xee/0x170 [13277.482307][ T7704] __sys_sendmsg+0xcd/0x170 [13277.482307][ T7704] do_syscall_64+0xc6/0x1e0 [13277.482307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13277.482307][ T7704] [13277.484593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13277.484593][ T7704] netdev_get_by_index+0x5e/0x80 [13277.484593][ T7704] fib6_nh_init+0x3d8/0x15b0 [13277.484593][ T7704] ip6_route_info_create+0xf18/0x17d0 [13277.484593][ T7704] ip6_route_add+0x1c/0x140 [13277.484593][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13277.484593][ T7704] addrconf_add_dev+0xe2/0x170 [13277.484593][ T7704] inet6_addr_add+0x12f/0xa40 [13277.484593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13277.484593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13277.484593][ T7704] netlink_rcv_skb+0x130/0x360 [13277.484593][ T7704] netlink_unicast+0x449/0x710 [13277.484593][ T7704] netlink_sendmsg+0x723/0xbe0 [13277.484593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13277.484593][ T7704] ___sys_sendmsg+0xee/0x170 [13277.484593][ T7704] __sys_sendmsg+0xcd/0x170 [13277.484593][ T7704] do_syscall_64+0xc6/0x1e0 [13277.484593][ T7704] [13277.486757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13277.486757][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13277.486757][ T7704] ipv6_find_idev+0x102/0x170 [13277.486757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13277.486757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13277.486757][ T7704] netlink_rcv_skb+0x130/0x360 [13277.486757][ T7704] netlink_unicast+0x449/0x710 [13277.486757][ T7704] netlink_sendmsg+0x723/0xbe0 [13277.486757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13277.486757][ T7704] ___sys_sendmsg+0xee/0x170 [13277.486757][ T7704] __sys_sendmsg+0xcd/0x170 [13277.486757][ T7704] do_syscall_64+0xc6/0x1e0 [13277.486757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13277.486757][ T7704] [13277.488604][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13277.488604][ T7704] neigh_parms_alloc+0x1e5/0x510 [13277.488604][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13277.488604][ T7704] ipv6_find_idev+0x102/0x170 [13277.488604][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13277.488604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13277.488604][ T7704] netlink_rcv_skb+0x130/0x360 [13277.488604][ T7704] netlink_unicast+0x449/0x710 [13277.488604][ T7704] netlink_sendmsg+0x723/0xbe0 [13277.488604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13277.488604][ T7704] ___sys_sendmsg+0xee/0x170 [13277.488604][ T7704] __sys_sendmsg+0xcd/0x170 [13277.488604][ T7704] do_syscall_64+0xc6/0x1e0 [13277.488604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13277.488604][ T7704] [13287.727028][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13287.727575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13287.727575][ T7704] netdev_get_by_index+0x5e/0x80 [13287.727575][ T7704] fib6_nh_init+0x3d8/0x15b0 [13287.727575][ T7704] ip6_route_info_create+0xf18/0x17d0 [13287.727575][ T7704] ip6_route_add+0x1c/0x140 [13287.727575][ T7704] addrconf_prefix_route+0x2a6/0x430 [13287.727575][ T7704] inet6_addr_add+0x4f8/0xa40 [13287.727575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13287.727575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13287.727575][ T7704] netlink_rcv_skb+0x130/0x360 [13287.727575][ T7704] netlink_unicast+0x449/0x710 [13287.727575][ T7704] netlink_sendmsg+0x723/0xbe0 [13287.727575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13287.727575][ T7704] ___sys_sendmsg+0xee/0x170 [13287.727575][ T7704] __sys_sendmsg+0xcd/0x170 [13287.727575][ T7704] do_syscall_64+0xc6/0x1e0 [13287.727575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13287.727575][ T7704] [13287.729801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13287.729801][ T7704] netdev_get_by_index+0x5e/0x80 [13287.729801][ T7704] fib6_nh_init+0x3d8/0x15b0 [13287.729801][ T7704] ip6_route_info_create+0xf18/0x17d0 [13287.729801][ T7704] addrconf_f6i_alloc+0x315/0x560 [13287.729801][ T7704] ipv6_add_addr+0x411/0x2000 [13287.729801][ T7704] inet6_addr_add+0x30e/0xa40 [13287.729801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13287.729801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13287.729801][ T7704] netlink_rcv_skb+0x130/0x360 [13287.729801][ T7704] netlink_unicast+0x449/0x710 [13287.729801][ T7704] netlink_sendmsg+0x723/0xbe0 [13287.729801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13287.729801][ T7704] ___sys_sendmsg+0xee/0x170 [13287.729801][ T7704] __sys_sendmsg+0xcd/0x170 [13287.729801][ T7704] do_syscall_64+0xc6/0x1e0 [13287.729801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13287.729801][ T7704] [13287.731977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13287.731977][ T7704] netdev_get_by_index+0x5e/0x80 [13287.731977][ T7704] fib6_nh_init+0x3d8/0x15b0 [13287.731977][ T7704] ip6_route_info_create+0xf18/0x17d0 [13287.731977][ T7704] ip6_route_add+0x1c/0x140 [13287.731977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13287.731977][ T7704] addrconf_add_dev+0xe2/0x170 [13287.731977][ T7704] inet6_addr_add+0x12f/0xa40 [13287.731977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13287.731977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13287.731977][ T7704] netlink_rcv_skb+0x130/0x360 [13287.731977][ T7704] netlink_unicast+0x449/0x710 [13287.731977][ T7704] netlink_sendmsg+0x723/0xbe0 [13287.731977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13287.731977][ T7704] ___sys_sendmsg+0xee/0x170 [13287.731977][ T7704] __sys_sendmsg+0xcd/0x170 [13287.731977][ T7704] do_syscall_64+0xc6/0x1e0 [13287.731977][ T7704] [13287.734129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13287.734129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13287.734129][ T7704] ipv6_find_idev+0x102/0x170 [13287.734129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13287.734129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13287.734129][ T7704] netlink_rcv_skb+0x130/0x360 [13287.734129][ T7704] netlink_unicast+0x449/0x710 [13287.734129][ T7704] netlink_sendmsg+0x723/0xbe0 [13287.734129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13287.734129][ T7704] ___sys_sendmsg+0xee/0x170 [13287.734129][ T7704] __sys_sendmsg+0xcd/0x170 [13287.734129][ T7704] do_syscall_64+0xc6/0x1e0 [13287.734129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13287.734129][ T7704] [13287.735855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13287.735855][ T7704] neigh_parms_alloc+0x1e5/0x510 [13287.735855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13287.735855][ T7704] ipv6_find_idev+0x102/0x170 [13287.735855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13287.735855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13287.735855][ T7704] netlink_rcv_skb+0x130/0x360 [13287.735855][ T7704] netlink_unicast+0x449/0x710 [13287.735855][ T7704] netlink_sendmsg+0x723/0xbe0 [13287.735855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13287.735855][ T7704] ___sys_sendmsg+0xee/0x170 [13287.735855][ T7704] __sys_sendmsg+0xcd/0x170 [13287.735855][ T7704] do_syscall_64+0xc6/0x1e0 [13287.735855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13287.735855][ T7704] [13297.975011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13297.976030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13297.976030][ T7704] netdev_get_by_index+0x5e/0x80 [13297.976030][ T7704] fib6_nh_init+0x3d8/0x15b0 [13297.976030][ T7704] ip6_route_info_create+0xf18/0x17d0 [13297.976030][ T7704] ip6_route_add+0x1c/0x140 [13297.976030][ T7704] addrconf_prefix_route+0x2a6/0x430 [13297.976030][ T7704] inet6_addr_add+0x4f8/0xa40 [13297.976030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13297.976030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13297.976030][ T7704] netlink_rcv_skb+0x130/0x360 [13297.976030][ T7704] netlink_unicast+0x449/0x710 [13297.976030][ T7704] netlink_sendmsg+0x723/0xbe0 [13297.976030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13297.976030][ T7704] ___sys_sendmsg+0xee/0x170 [13297.976030][ T7704] __sys_sendmsg+0xcd/0x170 [13297.976030][ T7704] do_syscall_64+0xc6/0x1e0 [13297.976030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13297.976030][ T7704] [13297.978315][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13297.978315][ T7704] netdev_get_by_index+0x5e/0x80 [13297.978315][ T7704] fib6_nh_init+0x3d8/0x15b0 [13297.978315][ T7704] ip6_route_info_create+0xf18/0x17d0 [13297.978315][ T7704] addrconf_f6i_alloc+0x315/0x560 [13297.978315][ T7704] ipv6_add_addr+0x411/0x2000 [13297.978315][ T7704] inet6_addr_add+0x30e/0xa40 [13297.978315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13297.978315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13297.978315][ T7704] netlink_rcv_skb+0x130/0x360 [13297.978315][ T7704] netlink_unicast+0x449/0x710 [13297.978315][ T7704] netlink_sendmsg+0x723/0xbe0 [13297.978315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13297.978315][ T7704] ___sys_sendmsg+0xee/0x170 [13297.978315][ T7704] __sys_sendmsg+0xcd/0x170 [13297.978315][ T7704] do_syscall_64+0xc6/0x1e0 [13297.978315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13297.978315][ T7704] [13297.980551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13297.980551][ T7704] netdev_get_by_index+0x5e/0x80 [13297.980551][ T7704] fib6_nh_init+0x3d8/0x15b0 [13297.980551][ T7704] ip6_route_info_create+0xf18/0x17d0 [13297.980551][ T7704] ip6_route_add+0x1c/0x140 [13297.980551][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13297.980551][ T7704] addrconf_add_dev+0xe2/0x170 [13297.980551][ T7704] inet6_addr_add+0x12f/0xa40 [13297.980551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13297.980551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13297.980551][ T7704] netlink_rcv_skb+0x130/0x360 [13297.980551][ T7704] netlink_unicast+0x449/0x710 [13297.980551][ T7704] netlink_sendmsg+0x723/0xbe0 [13297.980551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13297.980551][ T7704] ___sys_sendmsg+0xee/0x170 [13297.980551][ T7704] __sys_sendmsg+0xcd/0x170 [13297.980551][ T7704] do_syscall_64+0xc6/0x1e0 [13297.980551][ T7704] [13297.982728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13297.982728][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13297.982728][ T7704] ipv6_find_idev+0x102/0x170 [13297.982728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13297.982728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13297.982728][ T7704] netlink_rcv_skb+0x130/0x360 [13297.982728][ T7704] netlink_unicast+0x449/0x710 [13297.982728][ T7704] netlink_sendmsg+0x723/0xbe0 [13297.982728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13297.982728][ T7704] ___sys_sendmsg+0xee/0x170 [13297.982728][ T7704] __sys_sendmsg+0xcd/0x170 [13297.982728][ T7704] do_syscall_64+0xc6/0x1e0 [13297.982728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13297.982728][ T7704] [13297.984437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13297.984437][ T7704] neigh_parms_alloc+0x1e5/0x510 [13297.984437][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13297.984437][ T7704] ipv6_find_idev+0x102/0x170 [13297.984437][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13297.984437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13297.984437][ T7704] netlink_rcv_skb+0x130/0x360 [13297.984437][ T7704] netlink_unicast+0x449/0x710 [13297.984437][ T7704] netlink_sendmsg+0x723/0xbe0 [13297.984437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13297.984437][ T7704] ___sys_sendmsg+0xee/0x170 [13297.984437][ T7704] __sys_sendmsg+0xcd/0x170 [13297.984437][ T7704] do_syscall_64+0xc6/0x1e0 [13297.984437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13297.984437][ T7704] [13308.223011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13308.224072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13308.224072][ T7704] netdev_get_by_index+0x5e/0x80 [13308.224072][ T7704] fib6_nh_init+0x3d8/0x15b0 [13308.224072][ T7704] ip6_route_info_create+0xf18/0x17d0 [13308.224072][ T7704] ip6_route_add+0x1c/0x140 [13308.224072][ T7704] addrconf_prefix_route+0x2a6/0x430 [13308.224072][ T7704] inet6_addr_add+0x4f8/0xa40 [13308.224072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13308.224072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13308.224072][ T7704] netlink_rcv_skb+0x130/0x360 [13308.224072][ T7704] netlink_unicast+0x449/0x710 [13308.224072][ T7704] netlink_sendmsg+0x723/0xbe0 [13308.224072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13308.224072][ T7704] ___sys_sendmsg+0xee/0x170 [13308.224072][ T7704] __sys_sendmsg+0xcd/0x170 [13308.224072][ T7704] do_syscall_64+0xc6/0x1e0 [13308.224072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13308.224072][ T7704] [13308.226352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13308.226352][ T7704] netdev_get_by_index+0x5e/0x80 [13308.226352][ T7704] fib6_nh_init+0x3d8/0x15b0 [13308.226352][ T7704] ip6_route_info_create+0xf18/0x17d0 [13308.226352][ T7704] addrconf_f6i_alloc+0x315/0x560 [13308.226352][ T7704] ipv6_add_addr+0x411/0x2000 [13308.226352][ T7704] inet6_addr_add+0x30e/0xa40 [13308.226352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13308.226352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13308.226352][ T7704] netlink_rcv_skb+0x130/0x360 [13308.226352][ T7704] netlink_unicast+0x449/0x710 [13308.226352][ T7704] netlink_sendmsg+0x723/0xbe0 [13308.226352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13308.226352][ T7704] ___sys_sendmsg+0xee/0x170 [13308.226352][ T7704] __sys_sendmsg+0xcd/0x170 [13308.226352][ T7704] do_syscall_64+0xc6/0x1e0 [13308.226352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13308.226352][ T7704] [13308.228557][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13308.228557][ T7704] netdev_get_by_index+0x5e/0x80 [13308.228557][ T7704] fib6_nh_init+0x3d8/0x15b0 [13308.228557][ T7704] ip6_route_info_create+0xf18/0x17d0 [13308.228557][ T7704] ip6_route_add+0x1c/0x140 [13308.228557][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13308.228557][ T7704] addrconf_add_dev+0xe2/0x170 [13308.228557][ T7704] inet6_addr_add+0x12f/0xa40 [13308.228557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13308.228557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13308.228557][ T7704] netlink_rcv_skb+0x130/0x360 [13308.228557][ T7704] netlink_unicast+0x449/0x710 [13308.228557][ T7704] netlink_sendmsg+0x723/0xbe0 [13308.228557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13308.228557][ T7704] ___sys_sendmsg+0xee/0x170 [13308.228557][ T7704] __sys_sendmsg+0xcd/0x170 [13308.228557][ T7704] do_syscall_64+0xc6/0x1e0 [13308.228557][ T7704] [13308.230677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13308.230677][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13308.230677][ T7704] ipv6_find_idev+0x102/0x170 [13308.230677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13308.230677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13308.230677][ T7704] netlink_rcv_skb+0x130/0x360 [13308.230677][ T7704] netlink_unicast+0x449/0x710 [13308.230677][ T7704] netlink_sendmsg+0x723/0xbe0 [13308.230677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13308.230677][ T7704] ___sys_sendmsg+0xee/0x170 [13308.230677][ T7704] __sys_sendmsg+0xcd/0x170 [13308.230677][ T7704] do_syscall_64+0xc6/0x1e0 [13308.230677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13308.230677][ T7704] [13308.232337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13308.232337][ T7704] neigh_parms_alloc+0x1e5/0x510 [13308.232337][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13308.232337][ T7704] ipv6_find_idev+0x102/0x170 [13308.232337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13308.232337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13308.232337][ T7704] netlink_rcv_skb+0x130/0x360 [13308.232337][ T7704] netlink_unicast+0x449/0x710 [13308.232337][ T7704] netlink_sendmsg+0x723/0xbe0 [13308.232337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13308.232337][ T7704] ___sys_sendmsg+0xee/0x170 [13308.232337][ T7704] __sys_sendmsg+0xcd/0x170 [13308.232337][ T7704] do_syscall_64+0xc6/0x1e0 [13308.232337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13308.232337][ T7704] [13318.455024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13318.456103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13318.456103][ T7704] netdev_get_by_index+0x5e/0x80 [13318.456103][ T7704] fib6_nh_init+0x3d8/0x15b0 [13318.456103][ T7704] ip6_route_info_create+0xf18/0x17d0 [13318.456103][ T7704] ip6_route_add+0x1c/0x140 [13318.456103][ T7704] addrconf_prefix_route+0x2a6/0x430 [13318.456103][ T7704] inet6_addr_add+0x4f8/0xa40 [13318.456103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13318.456103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13318.456103][ T7704] netlink_rcv_skb+0x130/0x360 [13318.456103][ T7704] netlink_unicast+0x449/0x710 [13318.456103][ T7704] netlink_sendmsg+0x723/0xbe0 [13318.456103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13318.456103][ T7704] ___sys_sendmsg+0xee/0x170 [13318.456103][ T7704] __sys_sendmsg+0xcd/0x170 [13318.456103][ T7704] do_syscall_64+0xc6/0x1e0 [13318.456103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13318.456103][ T7704] [13318.458325][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13318.458325][ T7704] netdev_get_by_index+0x5e/0x80 [13318.458325][ T7704] fib6_nh_init+0x3d8/0x15b0 [13318.458325][ T7704] ip6_route_info_create+0xf18/0x17d0 [13318.458325][ T7704] addrconf_f6i_alloc+0x315/0x560 [13318.458325][ T7704] ipv6_add_addr+0x411/0x2000 [13318.458325][ T7704] inet6_addr_add+0x30e/0xa40 [13318.458325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13318.458325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13318.458325][ T7704] netlink_rcv_skb+0x130/0x360 [13318.458325][ T7704] netlink_unicast+0x449/0x710 [13318.458325][ T7704] netlink_sendmsg+0x723/0xbe0 [13318.458325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13318.458325][ T7704] ___sys_sendmsg+0xee/0x170 [13318.458325][ T7704] __sys_sendmsg+0xcd/0x170 [13318.458325][ T7704] do_syscall_64+0xc6/0x1e0 [13318.458325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13318.458325][ T7704] [13318.460496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13318.460496][ T7704] netdev_get_by_index+0x5e/0x80 [13318.460496][ T7704] fib6_nh_init+0x3d8/0x15b0 [13318.460496][ T7704] ip6_route_info_create+0xf18/0x17d0 [13318.460496][ T7704] ip6_route_add+0x1c/0x140 [13318.460496][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13318.460496][ T7704] addrconf_add_dev+0xe2/0x170 [13318.460496][ T7704] inet6_addr_add+0x12f/0xa40 [13318.460496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13318.460496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13318.460496][ T7704] netlink_rcv_skb+0x130/0x360 [13318.460496][ T7704] netlink_unicast+0x449/0x710 [13318.460496][ T7704] netlink_sendmsg+0x723/0xbe0 [13318.460496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13318.460496][ T7704] ___sys_sendmsg+0xee/0x170 [13318.460496][ T7704] __sys_sendmsg+0xcd/0x170 [13318.460496][ T7704] do_syscall_64+0xc6/0x1e0 [13318.460496][ T7704] [13318.462631][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13318.462631][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13318.462631][ T7704] ipv6_find_idev+0x102/0x170 [13318.462631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13318.462631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13318.462631][ T7704] netlink_rcv_skb+0x130/0x360 [13318.462631][ T7704] netlink_unicast+0x449/0x710 [13318.462631][ T7704] netlink_sendmsg+0x723/0xbe0 [13318.462631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13318.462631][ T7704] ___sys_sendmsg+0xee/0x170 [13318.462631][ T7704] __sys_sendmsg+0xcd/0x170 [13318.462631][ T7704] do_syscall_64+0xc6/0x1e0 [13318.462631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13318.462631][ T7704] [13318.464296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13318.464296][ T7704] neigh_parms_alloc+0x1e5/0x510 [13318.464296][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13318.464296][ T7704] ipv6_find_idev+0x102/0x170 [13318.464296][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13318.464296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13318.464296][ T7704] netlink_rcv_skb+0x130/0x360 [13318.464296][ T7704] netlink_unicast+0x449/0x710 [13318.464296][ T7704] netlink_sendmsg+0x723/0xbe0 [13318.464296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13318.464296][ T7704] ___sys_sendmsg+0xee/0x170 [13318.464296][ T7704] __sys_sendmsg+0xcd/0x170 [13318.464296][ T7704] do_syscall_64+0xc6/0x1e0 [13318.464296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13318.464296][ T7704] [13328.702997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13328.703529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13328.703529][ T7704] netdev_get_by_index+0x5e/0x80 [13328.703529][ T7704] fib6_nh_init+0x3d8/0x15b0 [13328.703529][ T7704] ip6_route_info_create+0xf18/0x17d0 [13328.703529][ T7704] ip6_route_add+0x1c/0x140 [13328.703529][ T7704] addrconf_prefix_route+0x2a6/0x430 [13328.703529][ T7704] inet6_addr_add+0x4f8/0xa40 [13328.703529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13328.703529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13328.703529][ T7704] netlink_rcv_skb+0x130/0x360 [13328.703529][ T7704] netlink_unicast+0x449/0x710 [13328.703529][ T7704] netlink_sendmsg+0x723/0xbe0 [13328.703529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13328.703529][ T7704] ___sys_sendmsg+0xee/0x170 [13328.703529][ T7704] __sys_sendmsg+0xcd/0x170 [13328.703529][ T7704] do_syscall_64+0xc6/0x1e0 [13328.703529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13328.703529][ T7704] [13328.705742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13328.705742][ T7704] netdev_get_by_index+0x5e/0x80 [13328.705742][ T7704] fib6_nh_init+0x3d8/0x15b0 [13328.705742][ T7704] ip6_route_info_create+0xf18/0x17d0 [13328.705742][ T7704] addrconf_f6i_alloc+0x315/0x560 [13328.705742][ T7704] ipv6_add_addr+0x411/0x2000 [13328.705742][ T7704] inet6_addr_add+0x30e/0xa40 [13328.705742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13328.705742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13328.705742][ T7704] netlink_rcv_skb+0x130/0x360 [13328.705742][ T7704] netlink_unicast+0x449/0x710 [13328.705742][ T7704] netlink_sendmsg+0x723/0xbe0 [13328.705742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13328.705742][ T7704] ___sys_sendmsg+0xee/0x170 [13328.705742][ T7704] __sys_sendmsg+0xcd/0x170 [13328.705742][ T7704] do_syscall_64+0xc6/0x1e0 [13328.705742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13328.705742][ T7704] [13328.707954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13328.707954][ T7704] netdev_get_by_index+0x5e/0x80 [13328.707954][ T7704] fib6_nh_init+0x3d8/0x15b0 [13328.707954][ T7704] ip6_route_info_create+0xf18/0x17d0 [13328.707954][ T7704] ip6_route_add+0x1c/0x140 [13328.707954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13328.707954][ T7704] addrconf_add_dev+0xe2/0x170 [13328.707954][ T7704] inet6_addr_add+0x12f/0xa40 [13328.707954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13328.707954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13328.707954][ T7704] netlink_rcv_skb+0x130/0x360 [13328.707954][ T7704] netlink_unicast+0x449/0x710 [13328.707954][ T7704] netlink_sendmsg+0x723/0xbe0 [13328.707954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13328.707954][ T7704] ___sys_sendmsg+0xee/0x170 [13328.707954][ T7704] __sys_sendmsg+0xcd/0x170 [13328.707954][ T7704] do_syscall_64+0xc6/0x1e0 [13328.707954][ T7704] [13328.710123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13328.710123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13328.710123][ T7704] ipv6_find_idev+0x102/0x170 [13328.710123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13328.710123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13328.710123][ T7704] netlink_rcv_skb+0x130/0x360 [13328.710123][ T7704] netlink_unicast+0x449/0x710 [13328.710123][ T7704] netlink_sendmsg+0x723/0xbe0 [13328.710123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13328.710123][ T7704] ___sys_sendmsg+0xee/0x170 [13328.710123][ T7704] __sys_sendmsg+0xcd/0x170 [13328.710123][ T7704] do_syscall_64+0xc6/0x1e0 [13328.710123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13328.710123][ T7704] [13328.711788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13328.711788][ T7704] neigh_parms_alloc+0x1e5/0x510 [13328.711788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13328.711788][ T7704] ipv6_find_idev+0x102/0x170 [13328.711788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13328.711788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13328.711788][ T7704] netlink_rcv_skb+0x130/0x360 [13328.711788][ T7704] netlink_unicast+0x449/0x710 [13328.711788][ T7704] netlink_sendmsg+0x723/0xbe0 [13328.711788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13328.711788][ T7704] ___sys_sendmsg+0xee/0x170 [13328.711788][ T7704] __sys_sendmsg+0xcd/0x170 [13328.711788][ T7704] do_syscall_64+0xc6/0x1e0 [13328.711788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13328.711788][ T7704] [13338.951005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13338.952076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13338.952076][ T7704] netdev_get_by_index+0x5e/0x80 [13338.952076][ T7704] fib6_nh_init+0x3d8/0x15b0 [13338.952076][ T7704] ip6_route_info_create+0xf18/0x17d0 [13338.952076][ T7704] ip6_route_add+0x1c/0x140 [13338.952076][ T7704] addrconf_prefix_route+0x2a6/0x430 [13338.952076][ T7704] inet6_addr_add+0x4f8/0xa40 [13338.952076][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13338.952076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13338.952076][ T7704] netlink_rcv_skb+0x130/0x360 [13338.952076][ T7704] netlink_unicast+0x449/0x710 [13338.952076][ T7704] netlink_sendmsg+0x723/0xbe0 [13338.952076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13338.952076][ T7704] ___sys_sendmsg+0xee/0x170 [13338.952076][ T7704] __sys_sendmsg+0xcd/0x170 [13338.952076][ T7704] do_syscall_64+0xc6/0x1e0 [13338.952076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13338.952076][ T7704] [13338.954334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13338.954334][ T7704] netdev_get_by_index+0x5e/0x80 [13338.954334][ T7704] fib6_nh_init+0x3d8/0x15b0 [13338.954334][ T7704] ip6_route_info_create+0xf18/0x17d0 [13338.954334][ T7704] addrconf_f6i_alloc+0x315/0x560 [13338.954334][ T7704] ipv6_add_addr+0x411/0x2000 [13338.954334][ T7704] inet6_addr_add+0x30e/0xa40 [13338.954334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13338.954334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13338.954334][ T7704] netlink_rcv_skb+0x130/0x360 [13338.954334][ T7704] netlink_unicast+0x449/0x710 [13338.954334][ T7704] netlink_sendmsg+0x723/0xbe0 [13338.954334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13338.954334][ T7704] ___sys_sendmsg+0xee/0x170 [13338.954334][ T7704] __sys_sendmsg+0xcd/0x170 [13338.954334][ T7704] do_syscall_64+0xc6/0x1e0 [13338.954334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13338.954334][ T7704] [13338.956490][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13338.956490][ T7704] netdev_get_by_index+0x5e/0x80 [13338.956490][ T7704] fib6_nh_init+0x3d8/0x15b0 [13338.956490][ T7704] ip6_route_info_create+0xf18/0x17d0 [13338.956490][ T7704] ip6_route_add+0x1c/0x140 [13338.956490][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13338.956490][ T7704] addrconf_add_dev+0xe2/0x170 [13338.956490][ T7704] inet6_addr_add+0x12f/0xa40 [13338.956490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13338.956490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13338.956490][ T7704] netlink_rcv_skb+0x130/0x360 [13338.956490][ T7704] netlink_unicast+0x449/0x710 [13338.956490][ T7704] netlink_sendmsg+0x723/0xbe0 [13338.956490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13338.956490][ T7704] ___sys_sendmsg+0xee/0x170 [13338.956490][ T7704] __sys_sendmsg+0xcd/0x170 [13338.956490][ T7704] do_syscall_64+0xc6/0x1e0 [13338.956490][ T7704] [13338.958642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13338.958642][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13338.958642][ T7704] ipv6_find_idev+0x102/0x170 [13338.958642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13338.958642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13338.958642][ T7704] netlink_rcv_skb+0x130/0x360 [13338.958642][ T7704] netlink_unicast+0x449/0x710 [13338.958642][ T7704] netlink_sendmsg+0x723/0xbe0 [13338.958642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13338.958642][ T7704] ___sys_sendmsg+0xee/0x170 [13338.958642][ T7704] __sys_sendmsg+0xcd/0x170 [13338.958642][ T7704] do_syscall_64+0xc6/0x1e0 [13338.958642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13338.958642][ T7704] [13338.960335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13338.960335][ T7704] neigh_parms_alloc+0x1e5/0x510 [13338.960335][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13338.960335][ T7704] ipv6_find_idev+0x102/0x170 [13338.960335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13338.960335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13338.960335][ T7704] netlink_rcv_skb+0x130/0x360 [13338.960335][ T7704] netlink_unicast+0x449/0x710 [13338.960335][ T7704] netlink_sendmsg+0x723/0xbe0 [13338.960335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13338.960335][ T7704] ___sys_sendmsg+0xee/0x170 [13338.960335][ T7704] __sys_sendmsg+0xcd/0x170 [13338.960335][ T7704] do_syscall_64+0xc6/0x1e0 [13338.960335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13338.960335][ T7704] [13349.199019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13349.199540][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13349.199540][ T7704] netdev_get_by_index+0x5e/0x80 [13349.199540][ T7704] fib6_nh_init+0x3d8/0x15b0 [13349.199540][ T7704] ip6_route_info_create+0xf18/0x17d0 [13349.199540][ T7704] ip6_route_add+0x1c/0x140 [13349.199540][ T7704] addrconf_prefix_route+0x2a6/0x430 [13349.199540][ T7704] inet6_addr_add+0x4f8/0xa40 [13349.199540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13349.199540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13349.199540][ T7704] netlink_rcv_skb+0x130/0x360 [13349.199540][ T7704] netlink_unicast+0x449/0x710 [13349.199540][ T7704] netlink_sendmsg+0x723/0xbe0 [13349.199540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13349.199540][ T7704] ___sys_sendmsg+0xee/0x170 [13349.199540][ T7704] __sys_sendmsg+0xcd/0x170 [13349.199540][ T7704] do_syscall_64+0xc6/0x1e0 [13349.199540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13349.199540][ T7704] [13349.201738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13349.201738][ T7704] netdev_get_by_index+0x5e/0x80 [13349.201738][ T7704] fib6_nh_init+0x3d8/0x15b0 [13349.201738][ T7704] ip6_route_info_create+0xf18/0x17d0 [13349.201738][ T7704] addrconf_f6i_alloc+0x315/0x560 [13349.201738][ T7704] ipv6_add_addr+0x411/0x2000 [13349.201738][ T7704] inet6_addr_add+0x30e/0xa40 [13349.201738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13349.201738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13349.201738][ T7704] netlink_rcv_skb+0x130/0x360 [13349.201738][ T7704] netlink_unicast+0x449/0x710 [13349.201738][ T7704] netlink_sendmsg+0x723/0xbe0 [13349.201738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13349.201738][ T7704] ___sys_sendmsg+0xee/0x170 [13349.201738][ T7704] __sys_sendmsg+0xcd/0x170 [13349.201738][ T7704] do_syscall_64+0xc6/0x1e0 [13349.201738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13349.201738][ T7704] [13349.203896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13349.203896][ T7704] netdev_get_by_index+0x5e/0x80 [13349.203896][ T7704] fib6_nh_init+0x3d8/0x15b0 [13349.203896][ T7704] ip6_route_info_create+0xf18/0x17d0 [13349.203896][ T7704] ip6_route_add+0x1c/0x140 [13349.203896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13349.203896][ T7704] addrconf_add_dev+0xe2/0x170 [13349.203896][ T7704] inet6_addr_add+0x12f/0xa40 [13349.203896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13349.203896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13349.203896][ T7704] netlink_rcv_skb+0x130/0x360 [13349.203896][ T7704] netlink_unicast+0x449/0x710 [13349.203896][ T7704] netlink_sendmsg+0x723/0xbe0 [13349.203896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13349.203896][ T7704] ___sys_sendmsg+0xee/0x170 [13349.203896][ T7704] __sys_sendmsg+0xcd/0x170 [13349.203896][ T7704] do_syscall_64+0xc6/0x1e0 [13349.203896][ T7704] [13349.206071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13349.206071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13349.206071][ T7704] ipv6_find_idev+0x102/0x170 [13349.206071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13349.206071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13349.206071][ T7704] netlink_rcv_skb+0x130/0x360 [13349.206071][ T7704] netlink_unicast+0x449/0x710 [13349.206071][ T7704] netlink_sendmsg+0x723/0xbe0 [13349.206071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13349.206071][ T7704] ___sys_sendmsg+0xee/0x170 [13349.206071][ T7704] __sys_sendmsg+0xcd/0x170 [13349.206071][ T7704] do_syscall_64+0xc6/0x1e0 [13349.206071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13349.206071][ T7704] [13349.207813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13349.207813][ T7704] neigh_parms_alloc+0x1e5/0x510 [13349.207813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13349.207813][ T7704] ipv6_find_idev+0x102/0x170 [13349.207813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13349.207813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13349.207813][ T7704] netlink_rcv_skb+0x130/0x360 [13349.207813][ T7704] netlink_unicast+0x449/0x710 [13349.207813][ T7704] netlink_sendmsg+0x723/0xbe0 [13349.207813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13349.207813][ T7704] ___sys_sendmsg+0xee/0x170 [13349.207813][ T7704] __sys_sendmsg+0xcd/0x170 [13349.207813][ T7704] do_syscall_64+0xc6/0x1e0 [13349.207813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13349.207813][ T7704] [13359.446999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13359.448146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13359.448146][ T7704] netdev_get_by_index+0x5e/0x80 [13359.448146][ T7704] fib6_nh_init+0x3d8/0x15b0 [13359.448146][ T7704] ip6_route_info_create+0xf18/0x17d0 [13359.448146][ T7704] ip6_route_add+0x1c/0x140 [13359.448146][ T7704] addrconf_prefix_route+0x2a6/0x430 [13359.448146][ T7704] inet6_addr_add+0x4f8/0xa40 [13359.448146][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13359.448146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13359.448146][ T7704] netlink_rcv_skb+0x130/0x360 [13359.448146][ T7704] netlink_unicast+0x449/0x710 [13359.448146][ T7704] netlink_sendmsg+0x723/0xbe0 [13359.448146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13359.448146][ T7704] ___sys_sendmsg+0xee/0x170 [13359.448146][ T7704] __sys_sendmsg+0xcd/0x170 [13359.448146][ T7704] do_syscall_64+0xc6/0x1e0 [13359.448146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13359.448146][ T7704] [13359.450350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13359.450350][ T7704] netdev_get_by_index+0x5e/0x80 [13359.450350][ T7704] fib6_nh_init+0x3d8/0x15b0 [13359.450350][ T7704] ip6_route_info_create+0xf18/0x17d0 [13359.450350][ T7704] addrconf_f6i_alloc+0x315/0x560 [13359.450350][ T7704] ipv6_add_addr+0x411/0x2000 [13359.450350][ T7704] inet6_addr_add+0x30e/0xa40 [13359.450350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13359.450350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13359.450350][ T7704] netlink_rcv_skb+0x130/0x360 [13359.450350][ T7704] netlink_unicast+0x449/0x710 [13359.450350][ T7704] netlink_sendmsg+0x723/0xbe0 [13359.450350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13359.450350][ T7704] ___sys_sendmsg+0xee/0x170 [13359.450350][ T7704] __sys_sendmsg+0xcd/0x170 [13359.450350][ T7704] do_syscall_64+0xc6/0x1e0 [13359.450350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13359.450350][ T7704] [13359.452501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13359.452501][ T7704] netdev_get_by_index+0x5e/0x80 [13359.452501][ T7704] fib6_nh_init+0x3d8/0x15b0 [13359.452501][ T7704] ip6_route_info_create+0xf18/0x17d0 [13359.452501][ T7704] ip6_route_add+0x1c/0x140 [13359.452501][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13359.452501][ T7704] addrconf_add_dev+0xe2/0x170 [13359.452501][ T7704] inet6_addr_add+0x12f/0xa40 [13359.452501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13359.452501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13359.452501][ T7704] netlink_rcv_skb+0x130/0x360 [13359.452501][ T7704] netlink_unicast+0x449/0x710 [13359.452501][ T7704] netlink_sendmsg+0x723/0xbe0 [13359.452501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13359.452501][ T7704] ___sys_sendmsg+0xee/0x170 [13359.452501][ T7704] __sys_sendmsg+0xcd/0x170 [13359.452501][ T7704] do_syscall_64+0xc6/0x1e0 [13359.452501][ T7704] [13359.454656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13359.454656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13359.454656][ T7704] ipv6_find_idev+0x102/0x170 [13359.454656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13359.454656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13359.454656][ T7704] netlink_rcv_skb+0x130/0x360 [13359.454656][ T7704] netlink_unicast+0x449/0x710 [13359.454656][ T7704] netlink_sendmsg+0x723/0xbe0 [13359.454656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13359.454656][ T7704] ___sys_sendmsg+0xee/0x170 [13359.454656][ T7704] __sys_sendmsg+0xcd/0x170 [13359.454656][ T7704] do_syscall_64+0xc6/0x1e0 [13359.454656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13359.454656][ T7704] [13359.456345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13359.456345][ T7704] neigh_parms_alloc+0x1e5/0x510 [13359.456345][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13359.456345][ T7704] ipv6_find_idev+0x102/0x170 [13359.456345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13359.456345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13359.456345][ T7704] netlink_rcv_skb+0x130/0x360 [13359.456345][ T7704] netlink_unicast+0x449/0x710 [13359.456345][ T7704] netlink_sendmsg+0x723/0xbe0 [13359.456345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13359.456345][ T7704] ___sys_sendmsg+0xee/0x170 [13359.456345][ T7704] __sys_sendmsg+0xcd/0x170 [13359.456345][ T7704] do_syscall_64+0xc6/0x1e0 [13359.456345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13359.456345][ T7704] [13369.575015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13369.576166][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13369.576166][ T7704] netdev_get_by_index+0x5e/0x80 [13369.576166][ T7704] fib6_nh_init+0x3d8/0x15b0 [13369.576166][ T7704] ip6_route_info_create+0xf18/0x17d0 [13369.576166][ T7704] ip6_route_add+0x1c/0x140 [13369.576166][ T7704] addrconf_prefix_route+0x2a6/0x430 [13369.576166][ T7704] inet6_addr_add+0x4f8/0xa40 [13369.576166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13369.576166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13369.576166][ T7704] netlink_rcv_skb+0x130/0x360 [13369.576166][ T7704] netlink_unicast+0x449/0x710 [13369.576166][ T7704] netlink_sendmsg+0x723/0xbe0 [13369.576166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13369.576166][ T7704] ___sys_sendmsg+0xee/0x170 [13369.576166][ T7704] __sys_sendmsg+0xcd/0x170 [13369.576166][ T7704] do_syscall_64+0xc6/0x1e0 [13369.576166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13369.576166][ T7704] [13369.578427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13369.578427][ T7704] netdev_get_by_index+0x5e/0x80 [13369.578427][ T7704] fib6_nh_init+0x3d8/0x15b0 [13369.578427][ T7704] ip6_route_info_create+0xf18/0x17d0 [13369.578427][ T7704] addrconf_f6i_alloc+0x315/0x560 [13369.578427][ T7704] ipv6_add_addr+0x411/0x2000 [13369.578427][ T7704] inet6_addr_add+0x30e/0xa40 [13369.578427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13369.578427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13369.578427][ T7704] netlink_rcv_skb+0x130/0x360 [13369.578427][ T7704] netlink_unicast+0x449/0x710 [13369.578427][ T7704] netlink_sendmsg+0x723/0xbe0 [13369.578427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13369.578427][ T7704] ___sys_sendmsg+0xee/0x170 [13369.578427][ T7704] __sys_sendmsg+0xcd/0x170 [13369.578427][ T7704] do_syscall_64+0xc6/0x1e0 [13369.578427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13369.578427][ T7704] [13369.580664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13369.580664][ T7704] netdev_get_by_index+0x5e/0x80 [13369.580664][ T7704] fib6_nh_init+0x3d8/0x15b0 [13369.580664][ T7704] ip6_route_info_create+0xf18/0x17d0 [13369.580664][ T7704] ip6_route_add+0x1c/0x140 [13369.580664][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13369.580664][ T7704] addrconf_add_dev+0xe2/0x170 [13369.580664][ T7704] inet6_addr_add+0x12f/0xa40 [13369.580664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13369.580664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13369.580664][ T7704] netlink_rcv_skb+0x130/0x360 [13369.580664][ T7704] netlink_unicast+0x449/0x710 [13369.580664][ T7704] netlink_sendmsg+0x723/0xbe0 [13369.580664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13369.580664][ T7704] ___sys_sendmsg+0xee/0x170 [13369.580664][ T7704] __sys_sendmsg+0xcd/0x170 [13369.580664][ T7704] do_syscall_64+0xc6/0x1e0 [13369.580664][ T7704] [13369.582869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13369.582869][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13369.582869][ T7704] ipv6_find_idev+0x102/0x170 [13369.582869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13369.582869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13369.582869][ T7704] netlink_rcv_skb+0x130/0x360 [13369.582869][ T7704] netlink_unicast+0x449/0x710 [13369.582869][ T7704] netlink_sendmsg+0x723/0xbe0 [13369.582869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13369.582869][ T7704] ___sys_sendmsg+0xee/0x170 [13369.582869][ T7704] __sys_sendmsg+0xcd/0x170 [13369.582869][ T7704] do_syscall_64+0xc6/0x1e0 [13369.582869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13369.582869][ T7704] [13369.584596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13369.584596][ T7704] neigh_parms_alloc+0x1e5/0x510 [13369.584596][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13369.584596][ T7704] ipv6_find_idev+0x102/0x170 [13369.584596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13369.584596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13369.584596][ T7704] netlink_rcv_skb+0x130/0x360 [13369.584596][ T7704] netlink_unicast+0x449/0x710 [13369.584596][ T7704] netlink_sendmsg+0x723/0xbe0 [13369.584596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13369.584596][ T7704] ___sys_sendmsg+0xee/0x170 [13369.584596][ T7704] __sys_sendmsg+0xcd/0x170 [13369.584596][ T7704] do_syscall_64+0xc6/0x1e0 [13369.584596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13369.584596][ T7704] [13379.822933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13379.823353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13379.823353][ T7704] netdev_get_by_index+0x5e/0x80 [13379.823353][ T7704] fib6_nh_init+0x3d8/0x15b0 [13379.823353][ T7704] ip6_route_info_create+0xf18/0x17d0 [13379.823353][ T7704] ip6_route_add+0x1c/0x140 [13379.823353][ T7704] addrconf_prefix_route+0x2a6/0x430 [13379.823353][ T7704] inet6_addr_add+0x4f8/0xa40 [13379.823353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13379.823353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13379.823353][ T7704] netlink_rcv_skb+0x130/0x360 [13379.823353][ T7704] netlink_unicast+0x449/0x710 [13379.823353][ T7704] netlink_sendmsg+0x723/0xbe0 [13379.823353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13379.823353][ T7704] ___sys_sendmsg+0xee/0x170 [13379.823353][ T7704] __sys_sendmsg+0xcd/0x170 [13379.823353][ T7704] do_syscall_64+0xc6/0x1e0 [13379.823353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13379.823353][ T7704] [13379.825570][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13379.825570][ T7704] netdev_get_by_index+0x5e/0x80 [13379.825570][ T7704] fib6_nh_init+0x3d8/0x15b0 [13379.825570][ T7704] ip6_route_info_create+0xf18/0x17d0 [13379.825570][ T7704] addrconf_f6i_alloc+0x315/0x560 [13379.825570][ T7704] ipv6_add_addr+0x411/0x2000 [13379.825570][ T7704] inet6_addr_add+0x30e/0xa40 [13379.825570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13379.825570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13379.825570][ T7704] netlink_rcv_skb+0x130/0x360 [13379.825570][ T7704] netlink_unicast+0x449/0x710 [13379.825570][ T7704] netlink_sendmsg+0x723/0xbe0 [13379.825570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13379.825570][ T7704] ___sys_sendmsg+0xee/0x170 [13379.825570][ T7704] __sys_sendmsg+0xcd/0x170 [13379.825570][ T7704] do_syscall_64+0xc6/0x1e0 [13379.825570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13379.825570][ T7704] [13379.827731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13379.827731][ T7704] netdev_get_by_index+0x5e/0x80 [13379.827731][ T7704] fib6_nh_init+0x3d8/0x15b0 [13379.827731][ T7704] ip6_route_info_create+0xf18/0x17d0 [13379.827731][ T7704] ip6_route_add+0x1c/0x140 [13379.827731][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13379.827731][ T7704] addrconf_add_dev+0xe2/0x170 [13379.827731][ T7704] inet6_addr_add+0x12f/0xa40 [13379.827731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13379.827731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13379.827731][ T7704] netlink_rcv_skb+0x130/0x360 [13379.827731][ T7704] netlink_unicast+0x449/0x710 [13379.827731][ T7704] netlink_sendmsg+0x723/0xbe0 [13379.827731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13379.827731][ T7704] ___sys_sendmsg+0xee/0x170 [13379.827731][ T7704] __sys_sendmsg+0xcd/0x170 [13379.827731][ T7704] do_syscall_64+0xc6/0x1e0 [13379.827731][ T7704] [13379.829849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13379.829849][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13379.829849][ T7704] ipv6_find_idev+0x102/0x170 [13379.829849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13379.829849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13379.829849][ T7704] netlink_rcv_skb+0x130/0x360 [13379.829849][ T7704] netlink_unicast+0x449/0x710 [13379.829849][ T7704] netlink_sendmsg+0x723/0xbe0 [13379.829849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13379.829849][ T7704] ___sys_sendmsg+0xee/0x170 [13379.829849][ T7704] __sys_sendmsg+0xcd/0x170 [13379.829849][ T7704] do_syscall_64+0xc6/0x1e0 [13379.829849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13379.829849][ T7704] [13379.831558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13379.831558][ T7704] neigh_parms_alloc+0x1e5/0x510 [13379.831558][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13379.831558][ T7704] ipv6_find_idev+0x102/0x170 [13379.831558][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13379.831558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13379.831558][ T7704] netlink_rcv_skb+0x130/0x360 [13379.831558][ T7704] netlink_unicast+0x449/0x710 [13379.831558][ T7704] netlink_sendmsg+0x723/0xbe0 [13379.831558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13379.831558][ T7704] ___sys_sendmsg+0xee/0x170 [13379.831558][ T7704] __sys_sendmsg+0xcd/0x170 [13379.831558][ T7704] do_syscall_64+0xc6/0x1e0 [13379.831558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13379.831558][ T7704] [13390.071002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13390.071440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13390.071440][ T7704] netdev_get_by_index+0x5e/0x80 [13390.071440][ T7704] fib6_nh_init+0x3d8/0x15b0 [13390.071440][ T7704] ip6_route_info_create+0xf18/0x17d0 [13390.071440][ T7704] ip6_route_add+0x1c/0x140 [13390.071440][ T7704] addrconf_prefix_route+0x2a6/0x430 [13390.071440][ T7704] inet6_addr_add+0x4f8/0xa40 [13390.071440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13390.071440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13390.071440][ T7704] netlink_rcv_skb+0x130/0x360 [13390.071440][ T7704] netlink_unicast+0x449/0x710 [13390.071440][ T7704] netlink_sendmsg+0x723/0xbe0 [13390.071440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13390.071440][ T7704] ___sys_sendmsg+0xee/0x170 [13390.071440][ T7704] __sys_sendmsg+0xcd/0x170 [13390.071440][ T7704] do_syscall_64+0xc6/0x1e0 [13390.071440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13390.071440][ T7704] [13390.073773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13390.073773][ T7704] netdev_get_by_index+0x5e/0x80 [13390.073773][ T7704] fib6_nh_init+0x3d8/0x15b0 [13390.073773][ T7704] ip6_route_info_create+0xf18/0x17d0 [13390.073773][ T7704] addrconf_f6i_alloc+0x315/0x560 [13390.073773][ T7704] ipv6_add_addr+0x411/0x2000 [13390.073773][ T7704] inet6_addr_add+0x30e/0xa40 [13390.073773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13390.073773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13390.073773][ T7704] netlink_rcv_skb+0x130/0x360 [13390.073773][ T7704] netlink_unicast+0x449/0x710 [13390.073773][ T7704] netlink_sendmsg+0x723/0xbe0 [13390.073773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13390.073773][ T7704] ___sys_sendmsg+0xee/0x170 [13390.073773][ T7704] __sys_sendmsg+0xcd/0x170 [13390.073773][ T7704] do_syscall_64+0xc6/0x1e0 [13390.073773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13390.073773][ T7704] [13390.076089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13390.076089][ T7704] netdev_get_by_index+0x5e/0x80 [13390.076089][ T7704] fib6_nh_init+0x3d8/0x15b0 [13390.076089][ T7704] ip6_route_info_create+0xf18/0x17d0 [13390.076089][ T7704] ip6_route_add+0x1c/0x140 [13390.076089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13390.076089][ T7704] addrconf_add_dev+0xe2/0x170 [13390.076089][ T7704] inet6_addr_add+0x12f/0xa40 [13390.076089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13390.076089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13390.076089][ T7704] netlink_rcv_skb+0x130/0x360 [13390.076089][ T7704] netlink_unicast+0x449/0x710 [13390.076089][ T7704] netlink_sendmsg+0x723/0xbe0 [13390.076089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13390.076089][ T7704] ___sys_sendmsg+0xee/0x170 [13390.076089][ T7704] __sys_sendmsg+0xcd/0x170 [13390.076089][ T7704] do_syscall_64+0xc6/0x1e0 [13390.076089][ T7704] [13390.078373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13390.078373][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13390.078373][ T7704] ipv6_find_idev+0x102/0x170 [13390.078373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13390.078373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13390.078373][ T7704] netlink_rcv_skb+0x130/0x360 [13390.078373][ T7704] netlink_unicast+0x449/0x710 [13390.078373][ T7704] netlink_sendmsg+0x723/0xbe0 [13390.078373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13390.078373][ T7704] ___sys_sendmsg+0xee/0x170 [13390.078373][ T7704] __sys_sendmsg+0xcd/0x170 [13390.078373][ T7704] do_syscall_64+0xc6/0x1e0 [13390.078373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13390.078373][ T7704] [13390.080144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13390.080144][ T7704] neigh_parms_alloc+0x1e5/0x510 [13390.080144][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13390.080144][ T7704] ipv6_find_idev+0x102/0x170 [13390.080144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13390.080144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13390.080144][ T7704] netlink_rcv_skb+0x130/0x360 [13390.080144][ T7704] netlink_unicast+0x449/0x710 [13390.080144][ T7704] netlink_sendmsg+0x723/0xbe0 [13390.080144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13390.080144][ T7704] ___sys_sendmsg+0xee/0x170 [13390.080144][ T7704] __sys_sendmsg+0xcd/0x170 [13390.080144][ T7704] do_syscall_64+0xc6/0x1e0 [13390.080144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13390.080144][ T7704] [13400.319022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13400.320180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13400.320180][ T7704] netdev_get_by_index+0x5e/0x80 [13400.320180][ T7704] fib6_nh_init+0x3d8/0x15b0 [13400.320180][ T7704] ip6_route_info_create+0xf18/0x17d0 [13400.320180][ T7704] ip6_route_add+0x1c/0x140 [13400.320180][ T7704] addrconf_prefix_route+0x2a6/0x430 [13400.320180][ T7704] inet6_addr_add+0x4f8/0xa40 [13400.320180][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13400.320180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13400.320180][ T7704] netlink_rcv_skb+0x130/0x360 [13400.320180][ T7704] netlink_unicast+0x449/0x710 [13400.320180][ T7704] netlink_sendmsg+0x723/0xbe0 [13400.320180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13400.320180][ T7704] ___sys_sendmsg+0xee/0x170 [13400.320180][ T7704] __sys_sendmsg+0xcd/0x170 [13400.320180][ T7704] do_syscall_64+0xc6/0x1e0 [13400.320180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13400.320180][ T7704] [13400.322541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13400.322541][ T7704] netdev_get_by_index+0x5e/0x80 [13400.322541][ T7704] fib6_nh_init+0x3d8/0x15b0 [13400.322541][ T7704] ip6_route_info_create+0xf18/0x17d0 [13400.322541][ T7704] addrconf_f6i_alloc+0x315/0x560 [13400.322541][ T7704] ipv6_add_addr+0x411/0x2000 [13400.322541][ T7704] inet6_addr_add+0x30e/0xa40 [13400.322541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13400.322541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13400.322541][ T7704] netlink_rcv_skb+0x130/0x360 [13400.322541][ T7704] netlink_unicast+0x449/0x710 [13400.322541][ T7704] netlink_sendmsg+0x723/0xbe0 [13400.322541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13400.322541][ T7704] ___sys_sendmsg+0xee/0x170 [13400.322541][ T7704] __sys_sendmsg+0xcd/0x170 [13400.322541][ T7704] do_syscall_64+0xc6/0x1e0 [13400.322541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13400.322541][ T7704] [13400.324801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13400.324801][ T7704] netdev_get_by_index+0x5e/0x80 [13400.324801][ T7704] fib6_nh_init+0x3d8/0x15b0 [13400.324801][ T7704] ip6_route_info_create+0xf18/0x17d0 [13400.324801][ T7704] ip6_route_add+0x1c/0x140 [13400.324801][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13400.324801][ T7704] addrconf_add_dev+0xe2/0x170 [13400.324801][ T7704] inet6_addr_add+0x12f/0xa40 [13400.324801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13400.324801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13400.324801][ T7704] netlink_rcv_skb+0x130/0x360 [13400.324801][ T7704] netlink_unicast+0x449/0x710 [13400.324801][ T7704] netlink_sendmsg+0x723/0xbe0 [13400.324801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13400.324801][ T7704] ___sys_sendmsg+0xee/0x170 [13400.324801][ T7704] __sys_sendmsg+0xcd/0x170 [13400.324801][ T7704] do_syscall_64+0xc6/0x1e0 [13400.324801][ T7704] [13400.327123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13400.327123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13400.327123][ T7704] ipv6_find_idev+0x102/0x170 [13400.327123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13400.327123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13400.327123][ T7704] netlink_rcv_skb+0x130/0x360 [13400.327123][ T7704] netlink_unicast+0x449/0x710 [13400.327123][ T7704] netlink_sendmsg+0x723/0xbe0 [13400.327123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13400.327123][ T7704] ___sys_sendmsg+0xee/0x170 [13400.327123][ T7704] __sys_sendmsg+0xcd/0x170 [13400.327123][ T7704] do_syscall_64+0xc6/0x1e0 [13400.327123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13400.327123][ T7704] [13400.328907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13400.328907][ T7704] neigh_parms_alloc+0x1e5/0x510 [13400.328907][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13400.328907][ T7704] ipv6_find_idev+0x102/0x170 [13400.328907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13400.328907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13400.328907][ T7704] netlink_rcv_skb+0x130/0x360 [13400.328907][ T7704] netlink_unicast+0x449/0x710 [13400.328907][ T7704] netlink_sendmsg+0x723/0xbe0 [13400.328907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13400.328907][ T7704] ___sys_sendmsg+0xee/0x170 [13400.328907][ T7704] __sys_sendmsg+0xcd/0x170 [13400.328907][ T7704] do_syscall_64+0xc6/0x1e0 [13400.328907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13400.328907][ T7704] [13410.567018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13410.568116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13410.568116][ T7704] netdev_get_by_index+0x5e/0x80 [13410.568116][ T7704] fib6_nh_init+0x3d8/0x15b0 [13410.568116][ T7704] ip6_route_info_create+0xf18/0x17d0 [13410.568116][ T7704] ip6_route_add+0x1c/0x140 [13410.568116][ T7704] addrconf_prefix_route+0x2a6/0x430 [13410.568116][ T7704] inet6_addr_add+0x4f8/0xa40 [13410.568116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13410.568116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13410.568116][ T7704] netlink_rcv_skb+0x130/0x360 [13410.568116][ T7704] netlink_unicast+0x449/0x710 [13410.568116][ T7704] netlink_sendmsg+0x723/0xbe0 [13410.568116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13410.568116][ T7704] ___sys_sendmsg+0xee/0x170 [13410.568116][ T7704] __sys_sendmsg+0xcd/0x170 [13410.568116][ T7704] do_syscall_64+0xc6/0x1e0 [13410.568116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13410.568116][ T7704] [13410.570338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13410.570338][ T7704] netdev_get_by_index+0x5e/0x80 [13410.570338][ T7704] fib6_nh_init+0x3d8/0x15b0 [13410.570338][ T7704] ip6_route_info_create+0xf18/0x17d0 [13410.570338][ T7704] addrconf_f6i_alloc+0x315/0x560 [13410.570338][ T7704] ipv6_add_addr+0x411/0x2000 [13410.570338][ T7704] inet6_addr_add+0x30e/0xa40 [13410.570338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13410.570338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13410.570338][ T7704] netlink_rcv_skb+0x130/0x360 [13410.570338][ T7704] netlink_unicast+0x449/0x710 [13410.570338][ T7704] netlink_sendmsg+0x723/0xbe0 [13410.570338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13410.570338][ T7704] ___sys_sendmsg+0xee/0x170 [13410.570338][ T7704] __sys_sendmsg+0xcd/0x170 [13410.570338][ T7704] do_syscall_64+0xc6/0x1e0 [13410.570338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13410.570338][ T7704] [13410.572558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13410.572558][ T7704] netdev_get_by_index+0x5e/0x80 [13410.572558][ T7704] fib6_nh_init+0x3d8/0x15b0 [13410.572558][ T7704] ip6_route_info_create+0xf18/0x17d0 [13410.572558][ T7704] ip6_route_add+0x1c/0x140 [13410.572558][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13410.572558][ T7704] addrconf_add_dev+0xe2/0x170 [13410.572558][ T7704] inet6_addr_add+0x12f/0xa40 [13410.572558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13410.572558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13410.572558][ T7704] netlink_rcv_skb+0x130/0x360 [13410.572558][ T7704] netlink_unicast+0x449/0x710 [13410.572558][ T7704] netlink_sendmsg+0x723/0xbe0 [13410.572558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13410.572558][ T7704] ___sys_sendmsg+0xee/0x170 [13410.572558][ T7704] __sys_sendmsg+0xcd/0x170 [13410.572558][ T7704] do_syscall_64+0xc6/0x1e0 [13410.572558][ T7704] [13410.574747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13410.574747][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13410.574747][ T7704] ipv6_find_idev+0x102/0x170 [13410.574747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13410.574747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13410.574747][ T7704] netlink_rcv_skb+0x130/0x360 [13410.574747][ T7704] netlink_unicast+0x449/0x710 [13410.574747][ T7704] netlink_sendmsg+0x723/0xbe0 [13410.574747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13410.574747][ T7704] ___sys_sendmsg+0xee/0x170 [13410.574747][ T7704] __sys_sendmsg+0xcd/0x170 [13410.574747][ T7704] do_syscall_64+0xc6/0x1e0 [13410.574747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13410.574747][ T7704] [13410.576473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13410.576473][ T7704] neigh_parms_alloc+0x1e5/0x510 [13410.576473][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13410.576473][ T7704] ipv6_find_idev+0x102/0x170 [13410.576473][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13410.576473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13410.576473][ T7704] netlink_rcv_skb+0x130/0x360 [13410.576473][ T7704] netlink_unicast+0x449/0x710 [13410.576473][ T7704] netlink_sendmsg+0x723/0xbe0 [13410.576473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13410.576473][ T7704] ___sys_sendmsg+0xee/0x170 [13410.576473][ T7704] __sys_sendmsg+0xcd/0x170 [13410.576473][ T7704] do_syscall_64+0xc6/0x1e0 [13410.576473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13410.576473][ T7704] [13420.815007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13420.816093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13420.816093][ T7704] netdev_get_by_index+0x5e/0x80 [13420.816093][ T7704] fib6_nh_init+0x3d8/0x15b0 [13420.816093][ T7704] ip6_route_info_create+0xf18/0x17d0 [13420.816093][ T7704] ip6_route_add+0x1c/0x140 [13420.816093][ T7704] addrconf_prefix_route+0x2a6/0x430 [13420.816093][ T7704] inet6_addr_add+0x4f8/0xa40 [13420.816093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13420.816093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13420.816093][ T7704] netlink_rcv_skb+0x130/0x360 [13420.816093][ T7704] netlink_unicast+0x449/0x710 [13420.816093][ T7704] netlink_sendmsg+0x723/0xbe0 [13420.816093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13420.816093][ T7704] ___sys_sendmsg+0xee/0x170 [13420.816093][ T7704] __sys_sendmsg+0xcd/0x170 [13420.816093][ T7704] do_syscall_64+0xc6/0x1e0 [13420.816093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13420.816093][ T7704] [13420.818372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13420.818372][ T7704] netdev_get_by_index+0x5e/0x80 [13420.818372][ T7704] fib6_nh_init+0x3d8/0x15b0 [13420.818372][ T7704] ip6_route_info_create+0xf18/0x17d0 [13420.818372][ T7704] addrconf_f6i_alloc+0x315/0x560 [13420.818372][ T7704] ipv6_add_addr+0x411/0x2000 [13420.818372][ T7704] inet6_addr_add+0x30e/0xa40 [13420.818372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13420.818372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13420.818372][ T7704] netlink_rcv_skb+0x130/0x360 [13420.818372][ T7704] netlink_unicast+0x449/0x710 [13420.818372][ T7704] netlink_sendmsg+0x723/0xbe0 [13420.818372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13420.818372][ T7704] ___sys_sendmsg+0xee/0x170 [13420.818372][ T7704] __sys_sendmsg+0xcd/0x170 [13420.818372][ T7704] do_syscall_64+0xc6/0x1e0 [13420.818372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13420.818372][ T7704] [13420.820574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13420.820574][ T7704] netdev_get_by_index+0x5e/0x80 [13420.820574][ T7704] fib6_nh_init+0x3d8/0x15b0 [13420.820574][ T7704] ip6_route_info_create+0xf18/0x17d0 [13420.820574][ T7704] ip6_route_add+0x1c/0x140 [13420.820574][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13420.820574][ T7704] addrconf_add_dev+0xe2/0x170 [13420.820574][ T7704] inet6_addr_add+0x12f/0xa40 [13420.820574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13420.820574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13420.820574][ T7704] netlink_rcv_skb+0x130/0x360 [13420.820574][ T7704] netlink_unicast+0x449/0x710 [13420.820574][ T7704] netlink_sendmsg+0x723/0xbe0 [13420.820574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13420.820574][ T7704] ___sys_sendmsg+0xee/0x170 [13420.820574][ T7704] __sys_sendmsg+0xcd/0x170 [13420.820574][ T7704] do_syscall_64+0xc6/0x1e0 [13420.820574][ T7704] [13420.822758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13420.822758][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13420.822758][ T7704] ipv6_find_idev+0x102/0x170 [13420.822758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13420.822758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13420.822758][ T7704] netlink_rcv_skb+0x130/0x360 [13420.822758][ T7704] netlink_unicast+0x449/0x710 [13420.822758][ T7704] netlink_sendmsg+0x723/0xbe0 [13420.822758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13420.822758][ T7704] ___sys_sendmsg+0xee/0x170 [13420.822758][ T7704] __sys_sendmsg+0xcd/0x170 [13420.822758][ T7704] do_syscall_64+0xc6/0x1e0 [13420.822758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13420.822758][ T7704] [13420.824472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13420.824472][ T7704] neigh_parms_alloc+0x1e5/0x510 [13420.824472][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13420.824472][ T7704] ipv6_find_idev+0x102/0x170 [13420.824472][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13420.824472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13420.824472][ T7704] netlink_rcv_skb+0x130/0x360 [13420.824472][ T7704] netlink_unicast+0x449/0x710 [13420.824472][ T7704] netlink_sendmsg+0x723/0xbe0 [13420.824472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13420.824472][ T7704] ___sys_sendmsg+0xee/0x170 [13420.824472][ T7704] __sys_sendmsg+0xcd/0x170 [13420.824472][ T7704] do_syscall_64+0xc6/0x1e0 [13420.824472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13420.824472][ T7704] [13431.079019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13431.079519][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13431.079519][ T7704] netdev_get_by_index+0x5e/0x80 [13431.079519][ T7704] fib6_nh_init+0x3d8/0x15b0 [13431.079519][ T7704] ip6_route_info_create+0xf18/0x17d0 [13431.079519][ T7704] ip6_route_add+0x1c/0x140 [13431.079519][ T7704] addrconf_prefix_route+0x2a6/0x430 [13431.079519][ T7704] inet6_addr_add+0x4f8/0xa40 [13431.079519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13431.079519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13431.079519][ T7704] netlink_rcv_skb+0x130/0x360 [13431.079519][ T7704] netlink_unicast+0x449/0x710 [13431.079519][ T7704] netlink_sendmsg+0x723/0xbe0 [13431.079519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13431.079519][ T7704] ___sys_sendmsg+0xee/0x170 [13431.079519][ T7704] __sys_sendmsg+0xcd/0x170 [13431.079519][ T7704] do_syscall_64+0xc6/0x1e0 [13431.079519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13431.079519][ T7704] [13431.081723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13431.081723][ T7704] netdev_get_by_index+0x5e/0x80 [13431.081723][ T7704] fib6_nh_init+0x3d8/0x15b0 [13431.081723][ T7704] ip6_route_info_create+0xf18/0x17d0 [13431.081723][ T7704] addrconf_f6i_alloc+0x315/0x560 [13431.081723][ T7704] ipv6_add_addr+0x411/0x2000 [13431.081723][ T7704] inet6_addr_add+0x30e/0xa40 [13431.081723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13431.081723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13431.081723][ T7704] netlink_rcv_skb+0x130/0x360 [13431.081723][ T7704] netlink_unicast+0x449/0x710 [13431.081723][ T7704] netlink_sendmsg+0x723/0xbe0 [13431.081723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13431.081723][ T7704] ___sys_sendmsg+0xee/0x170 [13431.081723][ T7704] __sys_sendmsg+0xcd/0x170 [13431.081723][ T7704] do_syscall_64+0xc6/0x1e0 [13431.081723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13431.081723][ T7704] [13431.083940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13431.083940][ T7704] netdev_get_by_index+0x5e/0x80 [13431.083940][ T7704] fib6_nh_init+0x3d8/0x15b0 [13431.083940][ T7704] ip6_route_info_create+0xf18/0x17d0 [13431.083940][ T7704] ip6_route_add+0x1c/0x140 [13431.083940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13431.083940][ T7704] addrconf_add_dev+0xe2/0x170 [13431.083940][ T7704] inet6_addr_add+0x12f/0xa40 [13431.083940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13431.083940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13431.083940][ T7704] netlink_rcv_skb+0x130/0x360 [13431.083940][ T7704] netlink_unicast+0x449/0x710 [13431.083940][ T7704] netlink_sendmsg+0x723/0xbe0 [13431.083940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13431.083940][ T7704] ___sys_sendmsg+0xee/0x170 [13431.083940][ T7704] __sys_sendmsg+0xcd/0x170 [13431.083940][ T7704] do_syscall_64+0xc6/0x1e0 [13431.083940][ T7704] [13431.086075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13431.086075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13431.086075][ T7704] ipv6_find_idev+0x102/0x170 [13431.086075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13431.086075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13431.086075][ T7704] netlink_rcv_skb+0x130/0x360 [13431.086075][ T7704] netlink_unicast+0x449/0x710 [13431.086075][ T7704] netlink_sendmsg+0x723/0xbe0 [13431.086075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13431.086075][ T7704] ___sys_sendmsg+0xee/0x170 [13431.086075][ T7704] __sys_sendmsg+0xcd/0x170 [13431.086075][ T7704] do_syscall_64+0xc6/0x1e0 [13431.086075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13431.086075][ T7704] [13431.087823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13431.087823][ T7704] neigh_parms_alloc+0x1e5/0x510 [13431.087823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13431.087823][ T7704] ipv6_find_idev+0x102/0x170 [13431.087823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13431.087823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13431.087823][ T7704] netlink_rcv_skb+0x130/0x360 [13431.087823][ T7704] netlink_unicast+0x449/0x710 [13431.087823][ T7704] netlink_sendmsg+0x723/0xbe0 [13431.087823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13431.087823][ T7704] ___sys_sendmsg+0xee/0x170 [13431.087823][ T7704] __sys_sendmsg+0xcd/0x170 [13431.087823][ T7704] do_syscall_64+0xc6/0x1e0 [13431.087823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13431.087823][ T7704] [13441.103005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13441.104095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13441.104095][ T7704] netdev_get_by_index+0x5e/0x80 [13441.104095][ T7704] fib6_nh_init+0x3d8/0x15b0 [13441.104095][ T7704] ip6_route_info_create+0xf18/0x17d0 [13441.104095][ T7704] ip6_route_add+0x1c/0x140 [13441.104095][ T7704] addrconf_prefix_route+0x2a6/0x430 [13441.104095][ T7704] inet6_addr_add+0x4f8/0xa40 [13441.104095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13441.104095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13441.104095][ T7704] netlink_rcv_skb+0x130/0x360 [13441.104095][ T7704] netlink_unicast+0x449/0x710 [13441.104095][ T7704] netlink_sendmsg+0x723/0xbe0 [13441.104095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13441.104095][ T7704] ___sys_sendmsg+0xee/0x170 [13441.104095][ T7704] __sys_sendmsg+0xcd/0x170 [13441.104095][ T7704] do_syscall_64+0xc6/0x1e0 [13441.104095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13441.104095][ T7704] [13441.106314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13441.106314][ T7704] netdev_get_by_index+0x5e/0x80 [13441.106314][ T7704] fib6_nh_init+0x3d8/0x15b0 [13441.106314][ T7704] ip6_route_info_create+0xf18/0x17d0 [13441.106314][ T7704] addrconf_f6i_alloc+0x315/0x560 [13441.106314][ T7704] ipv6_add_addr+0x411/0x2000 [13441.106314][ T7704] inet6_addr_add+0x30e/0xa40 [13441.106314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13441.106314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13441.106314][ T7704] netlink_rcv_skb+0x130/0x360 [13441.106314][ T7704] netlink_unicast+0x449/0x710 [13441.106314][ T7704] netlink_sendmsg+0x723/0xbe0 [13441.106314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13441.106314][ T7704] ___sys_sendmsg+0xee/0x170 [13441.106314][ T7704] __sys_sendmsg+0xcd/0x170 [13441.106314][ T7704] do_syscall_64+0xc6/0x1e0 [13441.106314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13441.106314][ T7704] [13441.108538][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13441.108538][ T7704] netdev_get_by_index+0x5e/0x80 [13441.108538][ T7704] fib6_nh_init+0x3d8/0x15b0 [13441.108538][ T7704] ip6_route_info_create+0xf18/0x17d0 [13441.108538][ T7704] ip6_route_add+0x1c/0x140 [13441.108538][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13441.108538][ T7704] addrconf_add_dev+0xe2/0x170 [13441.108538][ T7704] inet6_addr_add+0x12f/0xa40 [13441.108538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13441.108538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13441.108538][ T7704] netlink_rcv_skb+0x130/0x360 [13441.108538][ T7704] netlink_unicast+0x449/0x710 [13441.108538][ T7704] netlink_sendmsg+0x723/0xbe0 [13441.108538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13441.108538][ T7704] ___sys_sendmsg+0xee/0x170 [13441.108538][ T7704] __sys_sendmsg+0xcd/0x170 [13441.108538][ T7704] do_syscall_64+0xc6/0x1e0 [13441.108538][ T7704] [13441.110660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13441.110660][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13441.110660][ T7704] ipv6_find_idev+0x102/0x170 [13441.110660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13441.110660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13441.110660][ T7704] netlink_rcv_skb+0x130/0x360 [13441.110660][ T7704] netlink_unicast+0x449/0x710 [13441.110660][ T7704] netlink_sendmsg+0x723/0xbe0 [13441.110660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13441.110660][ T7704] ___sys_sendmsg+0xee/0x170 [13441.110660][ T7704] __sys_sendmsg+0xcd/0x170 [13441.110660][ T7704] do_syscall_64+0xc6/0x1e0 [13441.110660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13441.110660][ T7704] [13441.112322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13441.112322][ T7704] neigh_parms_alloc+0x1e5/0x510 [13441.112322][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13441.112322][ T7704] ipv6_find_idev+0x102/0x170 [13441.112322][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13441.112322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13441.112322][ T7704] netlink_rcv_skb+0x130/0x360 [13441.112322][ T7704] netlink_unicast+0x449/0x710 [13441.112322][ T7704] netlink_sendmsg+0x723/0xbe0 [13441.112322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13441.112322][ T7704] ___sys_sendmsg+0xee/0x170 [13441.112322][ T7704] __sys_sendmsg+0xcd/0x170 [13441.112322][ T7704] do_syscall_64+0xc6/0x1e0 [13441.112322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13441.112322][ T7704] [13451.350931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13451.351415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13451.351415][ T7704] netdev_get_by_index+0x5e/0x80 [13451.351415][ T7704] fib6_nh_init+0x3d8/0x15b0 [13451.351415][ T7704] ip6_route_info_create+0xf18/0x17d0 [13451.351415][ T7704] ip6_route_add+0x1c/0x140 [13451.351415][ T7704] addrconf_prefix_route+0x2a6/0x430 [13451.351415][ T7704] inet6_addr_add+0x4f8/0xa40 [13451.351415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13451.351415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13451.351415][ T7704] netlink_rcv_skb+0x130/0x360 [13451.351415][ T7704] netlink_unicast+0x449/0x710 [13451.351415][ T7704] netlink_sendmsg+0x723/0xbe0 [13451.351415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13451.351415][ T7704] ___sys_sendmsg+0xee/0x170 [13451.351415][ T7704] __sys_sendmsg+0xcd/0x170 [13451.351415][ T7704] do_syscall_64+0xc6/0x1e0 [13451.351415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13451.351415][ T7704] [13451.353670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13451.353670][ T7704] netdev_get_by_index+0x5e/0x80 [13451.353670][ T7704] fib6_nh_init+0x3d8/0x15b0 [13451.353670][ T7704] ip6_route_info_create+0xf18/0x17d0 [13451.353670][ T7704] addrconf_f6i_alloc+0x315/0x560 [13451.353670][ T7704] ipv6_add_addr+0x411/0x2000 [13451.353670][ T7704] inet6_addr_add+0x30e/0xa40 [13451.353670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13451.353670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13451.353670][ T7704] netlink_rcv_skb+0x130/0x360 [13451.353670][ T7704] netlink_unicast+0x449/0x710 [13451.353670][ T7704] netlink_sendmsg+0x723/0xbe0 [13451.353670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13451.353670][ T7704] ___sys_sendmsg+0xee/0x170 [13451.353670][ T7704] __sys_sendmsg+0xcd/0x170 [13451.353670][ T7704] do_syscall_64+0xc6/0x1e0 [13451.353670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13451.353670][ T7704] [13451.355900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13451.355900][ T7704] netdev_get_by_index+0x5e/0x80 [13451.355900][ T7704] fib6_nh_init+0x3d8/0x15b0 [13451.355900][ T7704] ip6_route_info_create+0xf18/0x17d0 [13451.355900][ T7704] ip6_route_add+0x1c/0x140 [13451.355900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13451.355900][ T7704] addrconf_add_dev+0xe2/0x170 [13451.355900][ T7704] inet6_addr_add+0x12f/0xa40 [13451.355900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13451.355900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13451.355900][ T7704] netlink_rcv_skb+0x130/0x360 [13451.355900][ T7704] netlink_unicast+0x449/0x710 [13451.355900][ T7704] netlink_sendmsg+0x723/0xbe0 [13451.355900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13451.355900][ T7704] ___sys_sendmsg+0xee/0x170 [13451.355900][ T7704] __sys_sendmsg+0xcd/0x170 [13451.355900][ T7704] do_syscall_64+0xc6/0x1e0 [13451.355900][ T7704] [13451.358112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13451.358112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13451.358112][ T7704] ipv6_find_idev+0x102/0x170 [13451.358112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13451.358112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13451.358112][ T7704] netlink_rcv_skb+0x130/0x360 [13451.358112][ T7704] netlink_unicast+0x449/0x710 [13451.358112][ T7704] netlink_sendmsg+0x723/0xbe0 [13451.358112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13451.358112][ T7704] ___sys_sendmsg+0xee/0x170 [13451.358112][ T7704] __sys_sendmsg+0xcd/0x170 [13451.358112][ T7704] do_syscall_64+0xc6/0x1e0 [13451.358112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13451.358112][ T7704] [13451.359821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13451.359821][ T7704] neigh_parms_alloc+0x1e5/0x510 [13451.359821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13451.359821][ T7704] ipv6_find_idev+0x102/0x170 [13451.359821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13451.359821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13451.359821][ T7704] netlink_rcv_skb+0x130/0x360 [13451.359821][ T7704] netlink_unicast+0x449/0x710 [13451.359821][ T7704] netlink_sendmsg+0x723/0xbe0 [13451.359821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13451.359821][ T7704] ___sys_sendmsg+0xee/0x170 [13451.359821][ T7704] __sys_sendmsg+0xcd/0x170 [13451.359821][ T7704] do_syscall_64+0xc6/0x1e0 [13451.359821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13451.359821][ T7704] [13461.599010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13461.599891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13461.599891][ T7704] netdev_get_by_index+0x5e/0x80 [13461.599891][ T7704] fib6_nh_init+0x3d8/0x15b0 [13461.599891][ T7704] ip6_route_info_create+0xf18/0x17d0 [13461.599891][ T7704] ip6_route_add+0x1c/0x140 [13461.599891][ T7704] addrconf_prefix_route+0x2a6/0x430 [13461.599891][ T7704] inet6_addr_add+0x4f8/0xa40 [13461.599891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13461.599891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13461.599891][ T7704] netlink_rcv_skb+0x130/0x360 [13461.599891][ T7704] netlink_unicast+0x449/0x710 [13461.599891][ T7704] netlink_sendmsg+0x723/0xbe0 [13461.599891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13461.599891][ T7704] ___sys_sendmsg+0xee/0x170 [13461.599891][ T7704] __sys_sendmsg+0xcd/0x170 [13461.599891][ T7704] do_syscall_64+0xc6/0x1e0 [13461.599891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13461.599891][ T7704] [13461.602095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13461.602095][ T7704] netdev_get_by_index+0x5e/0x80 [13461.602095][ T7704] fib6_nh_init+0x3d8/0x15b0 [13461.602095][ T7704] ip6_route_info_create+0xf18/0x17d0 [13461.602095][ T7704] addrconf_f6i_alloc+0x315/0x560 [13461.602095][ T7704] ipv6_add_addr+0x411/0x2000 [13461.602095][ T7704] inet6_addr_add+0x30e/0xa40 [13461.602095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13461.602095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13461.602095][ T7704] netlink_rcv_skb+0x130/0x360 [13461.602095][ T7704] netlink_unicast+0x449/0x710 [13461.602095][ T7704] netlink_sendmsg+0x723/0xbe0 [13461.602095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13461.602095][ T7704] ___sys_sendmsg+0xee/0x170 [13461.602095][ T7704] __sys_sendmsg+0xcd/0x170 [13461.602095][ T7704] do_syscall_64+0xc6/0x1e0 [13461.602095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13461.602095][ T7704] [13461.604367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13461.604367][ T7704] netdev_get_by_index+0x5e/0x80 [13461.604367][ T7704] fib6_nh_init+0x3d8/0x15b0 [13461.604367][ T7704] ip6_route_info_create+0xf18/0x17d0 [13461.604367][ T7704] ip6_route_add+0x1c/0x140 [13461.604367][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13461.604367][ T7704] addrconf_add_dev+0xe2/0x170 [13461.604367][ T7704] inet6_addr_add+0x12f/0xa40 [13461.604367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13461.604367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13461.604367][ T7704] netlink_rcv_skb+0x130/0x360 [13461.604367][ T7704] netlink_unicast+0x449/0x710 [13461.604367][ T7704] netlink_sendmsg+0x723/0xbe0 [13461.604367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13461.604367][ T7704] ___sys_sendmsg+0xee/0x170 [13461.604367][ T7704] __sys_sendmsg+0xcd/0x170 [13461.604367][ T7704] do_syscall_64+0xc6/0x1e0 [13461.604367][ T7704] [13461.606501][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13461.606501][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13461.606501][ T7704] ipv6_find_idev+0x102/0x170 [13461.606501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13461.606501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13461.606501][ T7704] netlink_rcv_skb+0x130/0x360 [13461.606501][ T7704] netlink_unicast+0x449/0x710 [13461.606501][ T7704] netlink_sendmsg+0x723/0xbe0 [13461.606501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13461.606501][ T7704] ___sys_sendmsg+0xee/0x170 [13461.606501][ T7704] __sys_sendmsg+0xcd/0x170 [13461.606501][ T7704] do_syscall_64+0xc6/0x1e0 [13461.606501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13461.606501][ T7704] [13461.608186][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13461.608186][ T7704] neigh_parms_alloc+0x1e5/0x510 [13461.608186][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13461.608186][ T7704] ipv6_find_idev+0x102/0x170 [13461.608186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13461.608186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13461.608186][ T7704] netlink_rcv_skb+0x130/0x360 [13461.608186][ T7704] netlink_unicast+0x449/0x710 [13461.608186][ T7704] netlink_sendmsg+0x723/0xbe0 [13461.608186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13461.608186][ T7704] ___sys_sendmsg+0xee/0x170 [13461.608186][ T7704] __sys_sendmsg+0xcd/0x170 [13461.608186][ T7704] do_syscall_64+0xc6/0x1e0 [13461.608186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13461.608186][ T7704] [13471.846949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13471.848093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13471.848093][ T7704] netdev_get_by_index+0x5e/0x80 [13471.848093][ T7704] fib6_nh_init+0x3d8/0x15b0 [13471.848093][ T7704] ip6_route_info_create+0xf18/0x17d0 [13471.848093][ T7704] ip6_route_add+0x1c/0x140 [13471.848093][ T7704] addrconf_prefix_route+0x2a6/0x430 [13471.848093][ T7704] inet6_addr_add+0x4f8/0xa40 [13471.848093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13471.848093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13471.848093][ T7704] netlink_rcv_skb+0x130/0x360 [13471.848093][ T7704] netlink_unicast+0x449/0x710 [13471.848093][ T7704] netlink_sendmsg+0x723/0xbe0 [13471.848093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13471.848093][ T7704] ___sys_sendmsg+0xee/0x170 [13471.848093][ T7704] __sys_sendmsg+0xcd/0x170 [13471.848093][ T7704] do_syscall_64+0xc6/0x1e0 [13471.848093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13471.848093][ T7704] [13471.850477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13471.850477][ T7704] netdev_get_by_index+0x5e/0x80 [13471.850477][ T7704] fib6_nh_init+0x3d8/0x15b0 [13471.850477][ T7704] ip6_route_info_create+0xf18/0x17d0 [13471.850477][ T7704] addrconf_f6i_alloc+0x315/0x560 [13471.850477][ T7704] ipv6_add_addr+0x411/0x2000 [13471.850477][ T7704] inet6_addr_add+0x30e/0xa40 [13471.850477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13471.850477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13471.850477][ T7704] netlink_rcv_skb+0x130/0x360 [13471.850477][ T7704] netlink_unicast+0x449/0x710 [13471.850477][ T7704] netlink_sendmsg+0x723/0xbe0 [13471.850477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13471.850477][ T7704] ___sys_sendmsg+0xee/0x170 [13471.850477][ T7704] __sys_sendmsg+0xcd/0x170 [13471.850477][ T7704] do_syscall_64+0xc6/0x1e0 [13471.850477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13471.850477][ T7704] [13471.852629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13471.852629][ T7704] netdev_get_by_index+0x5e/0x80 [13471.852629][ T7704] fib6_nh_init+0x3d8/0x15b0 [13471.852629][ T7704] ip6_route_info_create+0xf18/0x17d0 [13471.852629][ T7704] ip6_route_add+0x1c/0x140 [13471.852629][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13471.852629][ T7704] addrconf_add_dev+0xe2/0x170 [13471.852629][ T7704] inet6_addr_add+0x12f/0xa40 [13471.852629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13471.852629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13471.852629][ T7704] netlink_rcv_skb+0x130/0x360 [13471.852629][ T7704] netlink_unicast+0x449/0x710 [13471.852629][ T7704] netlink_sendmsg+0x723/0xbe0 [13471.852629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13471.852629][ T7704] ___sys_sendmsg+0xee/0x170 [13471.852629][ T7704] __sys_sendmsg+0xcd/0x170 [13471.852629][ T7704] do_syscall_64+0xc6/0x1e0 [13471.852629][ T7704] [13471.854769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13471.854769][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13471.854769][ T7704] ipv6_find_idev+0x102/0x170 [13471.854769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13471.854769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13471.854769][ T7704] netlink_rcv_skb+0x130/0x360 [13471.854769][ T7704] netlink_unicast+0x449/0x710 [13471.854769][ T7704] netlink_sendmsg+0x723/0xbe0 [13471.854769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13471.854769][ T7704] ___sys_sendmsg+0xee/0x170 [13471.854769][ T7704] __sys_sendmsg+0xcd/0x170 [13471.854769][ T7704] do_syscall_64+0xc6/0x1e0 [13471.854769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13471.854769][ T7704] [13471.856462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13471.856462][ T7704] neigh_parms_alloc+0x1e5/0x510 [13471.856462][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13471.856462][ T7704] ipv6_find_idev+0x102/0x170 [13471.856462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13471.856462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13471.856462][ T7704] netlink_rcv_skb+0x130/0x360 [13471.856462][ T7704] netlink_unicast+0x449/0x710 [13471.856462][ T7704] netlink_sendmsg+0x723/0xbe0 [13471.856462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13471.856462][ T7704] ___sys_sendmsg+0xee/0x170 [13471.856462][ T7704] __sys_sendmsg+0xcd/0x170 [13471.856462][ T7704] do_syscall_64+0xc6/0x1e0 [13471.856462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13471.856462][ T7704] [13482.095016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13482.096153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13482.096153][ T7704] netdev_get_by_index+0x5e/0x80 [13482.096153][ T7704] fib6_nh_init+0x3d8/0x15b0 [13482.096153][ T7704] ip6_route_info_create+0xf18/0x17d0 [13482.096153][ T7704] ip6_route_add+0x1c/0x140 [13482.096153][ T7704] addrconf_prefix_route+0x2a6/0x430 [13482.096153][ T7704] inet6_addr_add+0x4f8/0xa40 [13482.096153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13482.096153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13482.096153][ T7704] netlink_rcv_skb+0x130/0x360 [13482.096153][ T7704] netlink_unicast+0x449/0x710 [13482.096153][ T7704] netlink_sendmsg+0x723/0xbe0 [13482.096153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13482.096153][ T7704] ___sys_sendmsg+0xee/0x170 [13482.096153][ T7704] __sys_sendmsg+0xcd/0x170 [13482.096153][ T7704] do_syscall_64+0xc6/0x1e0 [13482.096153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13482.096153][ T7704] [13482.098395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13482.098395][ T7704] netdev_get_by_index+0x5e/0x80 [13482.098395][ T7704] fib6_nh_init+0x3d8/0x15b0 [13482.098395][ T7704] ip6_route_info_create+0xf18/0x17d0 [13482.098395][ T7704] addrconf_f6i_alloc+0x315/0x560 [13482.098395][ T7704] ipv6_add_addr+0x411/0x2000 [13482.098395][ T7704] inet6_addr_add+0x30e/0xa40 [13482.098395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13482.098395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13482.098395][ T7704] netlink_rcv_skb+0x130/0x360 [13482.098395][ T7704] netlink_unicast+0x449/0x710 [13482.098395][ T7704] netlink_sendmsg+0x723/0xbe0 [13482.098395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13482.098395][ T7704] ___sys_sendmsg+0xee/0x170 [13482.098395][ T7704] __sys_sendmsg+0xcd/0x170 [13482.098395][ T7704] do_syscall_64+0xc6/0x1e0 [13482.098395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13482.098395][ T7704] [13482.100561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13482.100561][ T7704] netdev_get_by_index+0x5e/0x80 [13482.100561][ T7704] fib6_nh_init+0x3d8/0x15b0 [13482.100561][ T7704] ip6_route_info_create+0xf18/0x17d0 [13482.100561][ T7704] ip6_route_add+0x1c/0x140 [13482.100561][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13482.100561][ T7704] addrconf_add_dev+0xe2/0x170 [13482.100561][ T7704] inet6_addr_add+0x12f/0xa40 [13482.100561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13482.100561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13482.100561][ T7704] netlink_rcv_skb+0x130/0x360 [13482.100561][ T7704] netlink_unicast+0x449/0x710 [13482.100561][ T7704] netlink_sendmsg+0x723/0xbe0 [13482.100561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13482.100561][ T7704] ___sys_sendmsg+0xee/0x170 [13482.100561][ T7704] __sys_sendmsg+0xcd/0x170 [13482.100561][ T7704] do_syscall_64+0xc6/0x1e0 [13482.100561][ T7704] [13482.102694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13482.102694][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13482.102694][ T7704] ipv6_find_idev+0x102/0x170 [13482.102694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13482.102694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13482.102694][ T7704] netlink_rcv_skb+0x130/0x360 [13482.102694][ T7704] netlink_unicast+0x449/0x710 [13482.102694][ T7704] netlink_sendmsg+0x723/0xbe0 [13482.102694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13482.102694][ T7704] ___sys_sendmsg+0xee/0x170 [13482.102694][ T7704] __sys_sendmsg+0xcd/0x170 [13482.102694][ T7704] do_syscall_64+0xc6/0x1e0 [13482.102694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13482.102694][ T7704] [13482.104388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13482.104388][ T7704] neigh_parms_alloc+0x1e5/0x510 [13482.104388][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13482.104388][ T7704] ipv6_find_idev+0x102/0x170 [13482.104388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13482.104388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13482.104388][ T7704] netlink_rcv_skb+0x130/0x360 [13482.104388][ T7704] netlink_unicast+0x449/0x710 [13482.104388][ T7704] netlink_sendmsg+0x723/0xbe0 [13482.104388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13482.104388][ T7704] ___sys_sendmsg+0xee/0x170 [13482.104388][ T7704] __sys_sendmsg+0xcd/0x170 [13482.104388][ T7704] do_syscall_64+0xc6/0x1e0 [13482.104388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13482.104388][ T7704] [13492.343039][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13492.343553][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13492.343553][ T7704] netdev_get_by_index+0x5e/0x80 [13492.343553][ T7704] fib6_nh_init+0x3d8/0x15b0 [13492.343553][ T7704] ip6_route_info_create+0xf18/0x17d0 [13492.343553][ T7704] ip6_route_add+0x1c/0x140 [13492.343553][ T7704] addrconf_prefix_route+0x2a6/0x430 [13492.343553][ T7704] inet6_addr_add+0x4f8/0xa40 [13492.343553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13492.343553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13492.343553][ T7704] netlink_rcv_skb+0x130/0x360 [13492.343553][ T7704] netlink_unicast+0x449/0x710 [13492.343553][ T7704] netlink_sendmsg+0x723/0xbe0 [13492.343553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13492.343553][ T7704] ___sys_sendmsg+0xee/0x170 [13492.343553][ T7704] __sys_sendmsg+0xcd/0x170 [13492.343553][ T7704] do_syscall_64+0xc6/0x1e0 [13492.343553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13492.343553][ T7704] [13492.345780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13492.345780][ T7704] netdev_get_by_index+0x5e/0x80 [13492.345780][ T7704] fib6_nh_init+0x3d8/0x15b0 [13492.345780][ T7704] ip6_route_info_create+0xf18/0x17d0 [13492.345780][ T7704] addrconf_f6i_alloc+0x315/0x560 [13492.345780][ T7704] ipv6_add_addr+0x411/0x2000 [13492.345780][ T7704] inet6_addr_add+0x30e/0xa40 [13492.345780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13492.345780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13492.345780][ T7704] netlink_rcv_skb+0x130/0x360 [13492.345780][ T7704] netlink_unicast+0x449/0x710 [13492.345780][ T7704] netlink_sendmsg+0x723/0xbe0 [13492.345780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13492.345780][ T7704] ___sys_sendmsg+0xee/0x170 [13492.345780][ T7704] __sys_sendmsg+0xcd/0x170 [13492.345780][ T7704] do_syscall_64+0xc6/0x1e0 [13492.345780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13492.345780][ T7704] [13492.348023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13492.348023][ T7704] netdev_get_by_index+0x5e/0x80 [13492.348023][ T7704] fib6_nh_init+0x3d8/0x15b0 [13492.348023][ T7704] ip6_route_info_create+0xf18/0x17d0 [13492.348023][ T7704] ip6_route_add+0x1c/0x140 [13492.348023][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13492.348023][ T7704] addrconf_add_dev+0xe2/0x170 [13492.348023][ T7704] inet6_addr_add+0x12f/0xa40 [13492.348023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13492.348023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13492.348023][ T7704] netlink_rcv_skb+0x130/0x360 [13492.348023][ T7704] netlink_unicast+0x449/0x710 [13492.348023][ T7704] netlink_sendmsg+0x723/0xbe0 [13492.348023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13492.348023][ T7704] ___sys_sendmsg+0xee/0x170 [13492.348023][ T7704] __sys_sendmsg+0xcd/0x170 [13492.348023][ T7704] do_syscall_64+0xc6/0x1e0 [13492.348023][ T7704] [13492.350170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13492.350170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13492.350170][ T7704] ipv6_find_idev+0x102/0x170 [13492.350170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13492.350170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13492.350170][ T7704] netlink_rcv_skb+0x130/0x360 [13492.350170][ T7704] netlink_unicast+0x449/0x710 [13492.350170][ T7704] netlink_sendmsg+0x723/0xbe0 [13492.350170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13492.350170][ T7704] ___sys_sendmsg+0xee/0x170 [13492.350170][ T7704] __sys_sendmsg+0xcd/0x170 [13492.350170][ T7704] do_syscall_64+0xc6/0x1e0 [13492.350170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13492.350170][ T7704] [13492.351875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13492.351875][ T7704] neigh_parms_alloc+0x1e5/0x510 [13492.351875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13492.351875][ T7704] ipv6_find_idev+0x102/0x170 [13492.351875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13492.351875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13492.351875][ T7704] netlink_rcv_skb+0x130/0x360 [13492.351875][ T7704] netlink_unicast+0x449/0x710 [13492.351875][ T7704] netlink_sendmsg+0x723/0xbe0 [13492.351875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13492.351875][ T7704] ___sys_sendmsg+0xee/0x170 [13492.351875][ T7704] __sys_sendmsg+0xcd/0x170 [13492.351875][ T7704] do_syscall_64+0xc6/0x1e0 [13492.351875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13492.351875][ T7704] [13502.591032][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13502.592164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13502.592164][ T7704] netdev_get_by_index+0x5e/0x80 [13502.592164][ T7704] fib6_nh_init+0x3d8/0x15b0 [13502.592164][ T7704] ip6_route_info_create+0xf18/0x17d0 [13502.592164][ T7704] ip6_route_add+0x1c/0x140 [13502.592164][ T7704] addrconf_prefix_route+0x2a6/0x430 [13502.592164][ T7704] inet6_addr_add+0x4f8/0xa40 [13502.592164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13502.592164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13502.592164][ T7704] netlink_rcv_skb+0x130/0x360 [13502.592164][ T7704] netlink_unicast+0x449/0x710 [13502.592164][ T7704] netlink_sendmsg+0x723/0xbe0 [13502.592164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13502.592164][ T7704] ___sys_sendmsg+0xee/0x170 [13502.592164][ T7704] __sys_sendmsg+0xcd/0x170 [13502.592164][ T7704] do_syscall_64+0xc6/0x1e0 [13502.592164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13502.592164][ T7704] [13502.594381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13502.594381][ T7704] netdev_get_by_index+0x5e/0x80 [13502.594381][ T7704] fib6_nh_init+0x3d8/0x15b0 [13502.594381][ T7704] ip6_route_info_create+0xf18/0x17d0 [13502.594381][ T7704] addrconf_f6i_alloc+0x315/0x560 [13502.594381][ T7704] ipv6_add_addr+0x411/0x2000 [13502.594381][ T7704] inet6_addr_add+0x30e/0xa40 [13502.594381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13502.594381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13502.594381][ T7704] netlink_rcv_skb+0x130/0x360 [13502.594381][ T7704] netlink_unicast+0x449/0x710 [13502.594381][ T7704] netlink_sendmsg+0x723/0xbe0 [13502.594381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13502.594381][ T7704] ___sys_sendmsg+0xee/0x170 [13502.594381][ T7704] __sys_sendmsg+0xcd/0x170 [13502.594381][ T7704] do_syscall_64+0xc6/0x1e0 [13502.594381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13502.594381][ T7704] [13502.596571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13502.596571][ T7704] netdev_get_by_index+0x5e/0x80 [13502.596571][ T7704] fib6_nh_init+0x3d8/0x15b0 [13502.596571][ T7704] ip6_route_info_create+0xf18/0x17d0 [13502.596571][ T7704] ip6_route_add+0x1c/0x140 [13502.596571][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13502.596571][ T7704] addrconf_add_dev+0xe2/0x170 [13502.596571][ T7704] inet6_addr_add+0x12f/0xa40 [13502.596571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13502.596571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13502.596571][ T7704] netlink_rcv_skb+0x130/0x360 [13502.596571][ T7704] netlink_unicast+0x449/0x710 [13502.596571][ T7704] netlink_sendmsg+0x723/0xbe0 [13502.596571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13502.596571][ T7704] ___sys_sendmsg+0xee/0x170 [13502.596571][ T7704] __sys_sendmsg+0xcd/0x170 [13502.596571][ T7704] do_syscall_64+0xc6/0x1e0 [13502.596571][ T7704] [13502.598757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13502.598757][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13502.598757][ T7704] ipv6_find_idev+0x102/0x170 [13502.598757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13502.598757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13502.598757][ T7704] netlink_rcv_skb+0x130/0x360 [13502.598757][ T7704] netlink_unicast+0x449/0x710 [13502.598757][ T7704] netlink_sendmsg+0x723/0xbe0 [13502.598757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13502.598757][ T7704] ___sys_sendmsg+0xee/0x170 [13502.598757][ T7704] __sys_sendmsg+0xcd/0x170 [13502.598757][ T7704] do_syscall_64+0xc6/0x1e0 [13502.598757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13502.598757][ T7704] [13502.600467][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13502.600467][ T7704] neigh_parms_alloc+0x1e5/0x510 [13502.600467][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13502.600467][ T7704] ipv6_find_idev+0x102/0x170 [13502.600467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13502.600467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13502.600467][ T7704] netlink_rcv_skb+0x130/0x360 [13502.600467][ T7704] netlink_unicast+0x449/0x710 [13502.600467][ T7704] netlink_sendmsg+0x723/0xbe0 [13502.600467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13502.600467][ T7704] ___sys_sendmsg+0xee/0x170 [13502.600467][ T7704] __sys_sendmsg+0xcd/0x170 [13502.600467][ T7704] do_syscall_64+0xc6/0x1e0 [13502.600467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13502.600467][ T7704] [13512.838885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13512.839318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13512.839318][ T7704] netdev_get_by_index+0x5e/0x80 [13512.839318][ T7704] fib6_nh_init+0x3d8/0x15b0 [13512.839318][ T7704] ip6_route_info_create+0xf18/0x17d0 [13512.839318][ T7704] ip6_route_add+0x1c/0x140 [13512.839318][ T7704] addrconf_prefix_route+0x2a6/0x430 [13512.839318][ T7704] inet6_addr_add+0x4f8/0xa40 [13512.839318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13512.839318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13512.839318][ T7704] netlink_rcv_skb+0x130/0x360 [13512.839318][ T7704] netlink_unicast+0x449/0x710 [13512.839318][ T7704] netlink_sendmsg+0x723/0xbe0 [13512.839318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13512.839318][ T7704] ___sys_sendmsg+0xee/0x170 [13512.839318][ T7704] __sys_sendmsg+0xcd/0x170 [13512.839318][ T7704] do_syscall_64+0xc6/0x1e0 [13512.839318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13512.839318][ T7704] [13512.841552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13512.841552][ T7704] netdev_get_by_index+0x5e/0x80 [13512.841552][ T7704] fib6_nh_init+0x3d8/0x15b0 [13512.841552][ T7704] ip6_route_info_create+0xf18/0x17d0 [13512.841552][ T7704] addrconf_f6i_alloc+0x315/0x560 [13512.841552][ T7704] ipv6_add_addr+0x411/0x2000 [13512.841552][ T7704] inet6_addr_add+0x30e/0xa40 [13512.841552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13512.841552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13512.841552][ T7704] netlink_rcv_skb+0x130/0x360 [13512.841552][ T7704] netlink_unicast+0x449/0x710 [13512.841552][ T7704] netlink_sendmsg+0x723/0xbe0 [13512.841552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13512.841552][ T7704] ___sys_sendmsg+0xee/0x170 [13512.841552][ T7704] __sys_sendmsg+0xcd/0x170 [13512.841552][ T7704] do_syscall_64+0xc6/0x1e0 [13512.841552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13512.841552][ T7704] [13512.843752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13512.843752][ T7704] netdev_get_by_index+0x5e/0x80 [13512.843752][ T7704] fib6_nh_init+0x3d8/0x15b0 [13512.843752][ T7704] ip6_route_info_create+0xf18/0x17d0 [13512.843752][ T7704] ip6_route_add+0x1c/0x140 [13512.843752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13512.843752][ T7704] addrconf_add_dev+0xe2/0x170 [13512.843752][ T7704] inet6_addr_add+0x12f/0xa40 [13512.843752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13512.843752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13512.843752][ T7704] netlink_rcv_skb+0x130/0x360 [13512.843752][ T7704] netlink_unicast+0x449/0x710 [13512.843752][ T7704] netlink_sendmsg+0x723/0xbe0 [13512.843752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13512.843752][ T7704] ___sys_sendmsg+0xee/0x170 [13512.843752][ T7704] __sys_sendmsg+0xcd/0x170 [13512.843752][ T7704] do_syscall_64+0xc6/0x1e0 [13512.843752][ T7704] [13512.845874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13512.845874][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13512.845874][ T7704] ipv6_find_idev+0x102/0x170 [13512.845874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13512.845874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13512.845874][ T7704] netlink_rcv_skb+0x130/0x360 [13512.845874][ T7704] netlink_unicast+0x449/0x710 [13512.845874][ T7704] netlink_sendmsg+0x723/0xbe0 [13512.845874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13512.845874][ T7704] ___sys_sendmsg+0xee/0x170 [13512.845874][ T7704] __sys_sendmsg+0xcd/0x170 [13512.845874][ T7704] do_syscall_64+0xc6/0x1e0 [13512.845874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13512.845874][ T7704] [13512.847610][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13512.847610][ T7704] neigh_parms_alloc+0x1e5/0x510 [13512.847610][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13512.847610][ T7704] ipv6_find_idev+0x102/0x170 [13512.847610][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13512.847610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13512.847610][ T7704] netlink_rcv_skb+0x130/0x360 [13512.847610][ T7704] netlink_unicast+0x449/0x710 [13512.847610][ T7704] netlink_sendmsg+0x723/0xbe0 [13512.847610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13512.847610][ T7704] ___sys_sendmsg+0xee/0x170 [13512.847610][ T7704] __sys_sendmsg+0xcd/0x170 [13512.847610][ T7704] do_syscall_64+0xc6/0x1e0 [13512.847610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13512.847610][ T7704] [13523.086957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13523.087394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13523.087394][ T7704] netdev_get_by_index+0x5e/0x80 [13523.087394][ T7704] fib6_nh_init+0x3d8/0x15b0 [13523.087394][ T7704] ip6_route_info_create+0xf18/0x17d0 [13523.087394][ T7704] ip6_route_add+0x1c/0x140 [13523.087394][ T7704] addrconf_prefix_route+0x2a6/0x430 [13523.087394][ T7704] inet6_addr_add+0x4f8/0xa40 [13523.087394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13523.087394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13523.087394][ T7704] netlink_rcv_skb+0x130/0x360 [13523.087394][ T7704] netlink_unicast+0x449/0x710 [13523.087394][ T7704] netlink_sendmsg+0x723/0xbe0 [13523.087394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13523.087394][ T7704] ___sys_sendmsg+0xee/0x170 [13523.087394][ T7704] __sys_sendmsg+0xcd/0x170 [13523.087394][ T7704] do_syscall_64+0xc6/0x1e0 [13523.087394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13523.087394][ T7704] [13523.089650][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13523.089650][ T7704] netdev_get_by_index+0x5e/0x80 [13523.089650][ T7704] fib6_nh_init+0x3d8/0x15b0 [13523.089650][ T7704] ip6_route_info_create+0xf18/0x17d0 [13523.089650][ T7704] addrconf_f6i_alloc+0x315/0x560 [13523.089650][ T7704] ipv6_add_addr+0x411/0x2000 [13523.089650][ T7704] inet6_addr_add+0x30e/0xa40 [13523.089650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13523.089650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13523.089650][ T7704] netlink_rcv_skb+0x130/0x360 [13523.089650][ T7704] netlink_unicast+0x449/0x710 [13523.089650][ T7704] netlink_sendmsg+0x723/0xbe0 [13523.089650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13523.089650][ T7704] ___sys_sendmsg+0xee/0x170 [13523.089650][ T7704] __sys_sendmsg+0xcd/0x170 [13523.089650][ T7704] do_syscall_64+0xc6/0x1e0 [13523.089650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13523.089650][ T7704] [13523.091868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13523.091868][ T7704] netdev_get_by_index+0x5e/0x80 [13523.091868][ T7704] fib6_nh_init+0x3d8/0x15b0 [13523.091868][ T7704] ip6_route_info_create+0xf18/0x17d0 [13523.091868][ T7704] ip6_route_add+0x1c/0x140 [13523.091868][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13523.091868][ T7704] addrconf_add_dev+0xe2/0x170 [13523.091868][ T7704] inet6_addr_add+0x12f/0xa40 [13523.091868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13523.091868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13523.091868][ T7704] netlink_rcv_skb+0x130/0x360 [13523.091868][ T7704] netlink_unicast+0x449/0x710 [13523.091868][ T7704] netlink_sendmsg+0x723/0xbe0 [13523.091868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13523.091868][ T7704] ___sys_sendmsg+0xee/0x170 [13523.091868][ T7704] __sys_sendmsg+0xcd/0x170 [13523.091868][ T7704] do_syscall_64+0xc6/0x1e0 [13523.091868][ T7704] [13523.094051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13523.094051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13523.094051][ T7704] ipv6_find_idev+0x102/0x170 [13523.094051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13523.094051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13523.094051][ T7704] netlink_rcv_skb+0x130/0x360 [13523.094051][ T7704] netlink_unicast+0x449/0x710 [13523.094051][ T7704] netlink_sendmsg+0x723/0xbe0 [13523.094051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13523.094051][ T7704] ___sys_sendmsg+0xee/0x170 [13523.094051][ T7704] __sys_sendmsg+0xcd/0x170 [13523.094051][ T7704] do_syscall_64+0xc6/0x1e0 [13523.094051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13523.094051][ T7704] [13523.095768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13523.095768][ T7704] neigh_parms_alloc+0x1e5/0x510 [13523.095768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13523.095768][ T7704] ipv6_find_idev+0x102/0x170 [13523.095768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13523.095768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13523.095768][ T7704] netlink_rcv_skb+0x130/0x360 [13523.095768][ T7704] netlink_unicast+0x449/0x710 [13523.095768][ T7704] netlink_sendmsg+0x723/0xbe0 [13523.095768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13523.095768][ T7704] ___sys_sendmsg+0xee/0x170 [13523.095768][ T7704] __sys_sendmsg+0xcd/0x170 [13523.095768][ T7704] do_syscall_64+0xc6/0x1e0 [13523.095768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13523.095768][ T7704] [13533.335008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13533.335503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13533.335503][ T7704] netdev_get_by_index+0x5e/0x80 [13533.335503][ T7704] fib6_nh_init+0x3d8/0x15b0 [13533.335503][ T7704] ip6_route_info_create+0xf18/0x17d0 [13533.335503][ T7704] ip6_route_add+0x1c/0x140 [13533.335503][ T7704] addrconf_prefix_route+0x2a6/0x430 [13533.335503][ T7704] inet6_addr_add+0x4f8/0xa40 [13533.335503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13533.335503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13533.335503][ T7704] netlink_rcv_skb+0x130/0x360 [13533.335503][ T7704] netlink_unicast+0x449/0x710 [13533.335503][ T7704] netlink_sendmsg+0x723/0xbe0 [13533.335503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13533.335503][ T7704] ___sys_sendmsg+0xee/0x170 [13533.335503][ T7704] __sys_sendmsg+0xcd/0x170 [13533.335503][ T7704] do_syscall_64+0xc6/0x1e0 [13533.335503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13533.335503][ T7704] [13533.337802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13533.337802][ T7704] netdev_get_by_index+0x5e/0x80 [13533.337802][ T7704] fib6_nh_init+0x3d8/0x15b0 [13533.337802][ T7704] ip6_route_info_create+0xf18/0x17d0 [13533.337802][ T7704] addrconf_f6i_alloc+0x315/0x560 [13533.337802][ T7704] ipv6_add_addr+0x411/0x2000 [13533.337802][ T7704] inet6_addr_add+0x30e/0xa40 [13533.337802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13533.337802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13533.337802][ T7704] netlink_rcv_skb+0x130/0x360 [13533.337802][ T7704] netlink_unicast+0x449/0x710 [13533.337802][ T7704] netlink_sendmsg+0x723/0xbe0 [13533.337802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13533.337802][ T7704] ___sys_sendmsg+0xee/0x170 [13533.337802][ T7704] __sys_sendmsg+0xcd/0x170 [13533.337802][ T7704] do_syscall_64+0xc6/0x1e0 [13533.337802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13533.337802][ T7704] [13533.339990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13533.339990][ T7704] netdev_get_by_index+0x5e/0x80 [13533.339990][ T7704] fib6_nh_init+0x3d8/0x15b0 [13533.339990][ T7704] ip6_route_info_create+0xf18/0x17d0 [13533.339990][ T7704] ip6_route_add+0x1c/0x140 [13533.339990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13533.339990][ T7704] addrconf_add_dev+0xe2/0x170 [13533.339990][ T7704] inet6_addr_add+0x12f/0xa40 [13533.339990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13533.339990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13533.339990][ T7704] netlink_rcv_skb+0x130/0x360 [13533.339990][ T7704] netlink_unicast+0x449/0x710 [13533.339990][ T7704] netlink_sendmsg+0x723/0xbe0 [13533.339990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13533.339990][ T7704] ___sys_sendmsg+0xee/0x170 [13533.339990][ T7704] __sys_sendmsg+0xcd/0x170 [13533.339990][ T7704] do_syscall_64+0xc6/0x1e0 [13533.339990][ T7704] [13533.342139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13533.342139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13533.342139][ T7704] ipv6_find_idev+0x102/0x170 [13533.342139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13533.342139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13533.342139][ T7704] netlink_rcv_skb+0x130/0x360 [13533.342139][ T7704] netlink_unicast+0x449/0x710 [13533.342139][ T7704] netlink_sendmsg+0x723/0xbe0 [13533.342139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13533.342139][ T7704] ___sys_sendmsg+0xee/0x170 [13533.342139][ T7704] __sys_sendmsg+0xcd/0x170 [13533.342139][ T7704] do_syscall_64+0xc6/0x1e0 [13533.342139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13533.342139][ T7704] [13533.343859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13533.343859][ T7704] neigh_parms_alloc+0x1e5/0x510 [13533.343859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13533.343859][ T7704] ipv6_find_idev+0x102/0x170 [13533.343859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13533.343859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13533.343859][ T7704] netlink_rcv_skb+0x130/0x360 [13533.343859][ T7704] netlink_unicast+0x449/0x710 [13533.343859][ T7704] netlink_sendmsg+0x723/0xbe0 [13533.343859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13533.343859][ T7704] ___sys_sendmsg+0xee/0x170 [13533.343859][ T7704] __sys_sendmsg+0xcd/0x170 [13533.343859][ T7704] do_syscall_64+0xc6/0x1e0 [13533.343859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13533.343859][ T7704] [13543.582934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13543.583424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13543.583424][ T7704] netdev_get_by_index+0x5e/0x80 [13543.583424][ T7704] fib6_nh_init+0x3d8/0x15b0 [13543.583424][ T7704] ip6_route_info_create+0xf18/0x17d0 [13543.583424][ T7704] ip6_route_add+0x1c/0x140 [13543.583424][ T7704] addrconf_prefix_route+0x2a6/0x430 [13543.583424][ T7704] inet6_addr_add+0x4f8/0xa40 [13543.583424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13543.583424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13543.583424][ T7704] netlink_rcv_skb+0x130/0x360 [13543.583424][ T7704] netlink_unicast+0x449/0x710 [13543.583424][ T7704] netlink_sendmsg+0x723/0xbe0 [13543.583424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13543.583424][ T7704] ___sys_sendmsg+0xee/0x170 [13543.583424][ T7704] __sys_sendmsg+0xcd/0x170 [13543.583424][ T7704] do_syscall_64+0xc6/0x1e0 [13543.583424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13543.583424][ T7704] [13543.585661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13543.585661][ T7704] netdev_get_by_index+0x5e/0x80 [13543.585661][ T7704] fib6_nh_init+0x3d8/0x15b0 [13543.585661][ T7704] ip6_route_info_create+0xf18/0x17d0 [13543.585661][ T7704] addrconf_f6i_alloc+0x315/0x560 [13543.585661][ T7704] ipv6_add_addr+0x411/0x2000 [13543.585661][ T7704] inet6_addr_add+0x30e/0xa40 [13543.585661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13543.585661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13543.585661][ T7704] netlink_rcv_skb+0x130/0x360 [13543.585661][ T7704] netlink_unicast+0x449/0x710 [13543.585661][ T7704] netlink_sendmsg+0x723/0xbe0 [13543.585661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13543.585661][ T7704] ___sys_sendmsg+0xee/0x170 [13543.585661][ T7704] __sys_sendmsg+0xcd/0x170 [13543.585661][ T7704] do_syscall_64+0xc6/0x1e0 [13543.585661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13543.585661][ T7704] [13543.587892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13543.587892][ T7704] netdev_get_by_index+0x5e/0x80 [13543.587892][ T7704] fib6_nh_init+0x3d8/0x15b0 [13543.587892][ T7704] ip6_route_info_create+0xf18/0x17d0 [13543.587892][ T7704] ip6_route_add+0x1c/0x140 [13543.587892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13543.587892][ T7704] addrconf_add_dev+0xe2/0x170 [13543.587892][ T7704] inet6_addr_add+0x12f/0xa40 [13543.587892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13543.587892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13543.587892][ T7704] netlink_rcv_skb+0x130/0x360 [13543.587892][ T7704] netlink_unicast+0x449/0x710 [13543.587892][ T7704] netlink_sendmsg+0x723/0xbe0 [13543.587892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13543.587892][ T7704] ___sys_sendmsg+0xee/0x170 [13543.587892][ T7704] __sys_sendmsg+0xcd/0x170 [13543.587892][ T7704] do_syscall_64+0xc6/0x1e0 [13543.587892][ T7704] [13543.590076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13543.590076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13543.590076][ T7704] ipv6_find_idev+0x102/0x170 [13543.590076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13543.590076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13543.590076][ T7704] netlink_rcv_skb+0x130/0x360 [13543.590076][ T7704] netlink_unicast+0x449/0x710 [13543.590076][ T7704] netlink_sendmsg+0x723/0xbe0 [13543.590076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13543.590076][ T7704] ___sys_sendmsg+0xee/0x170 [13543.590076][ T7704] __sys_sendmsg+0xcd/0x170 [13543.590076][ T7704] do_syscall_64+0xc6/0x1e0 [13543.590076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13543.590076][ T7704] [13543.591787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13543.591787][ T7704] neigh_parms_alloc+0x1e5/0x510 [13543.591787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13543.591787][ T7704] ipv6_find_idev+0x102/0x170 [13543.591787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13543.591787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13543.591787][ T7704] netlink_rcv_skb+0x130/0x360 [13543.591787][ T7704] netlink_unicast+0x449/0x710 [13543.591787][ T7704] netlink_sendmsg+0x723/0xbe0 [13543.591787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13543.591787][ T7704] ___sys_sendmsg+0xee/0x170 [13543.591787][ T7704] __sys_sendmsg+0xcd/0x170 [13543.591787][ T7704] do_syscall_64+0xc6/0x1e0 [13543.591787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13543.591787][ T7704] [13553.830935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13553.832091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13553.832091][ T7704] netdev_get_by_index+0x5e/0x80 [13553.832091][ T7704] fib6_nh_init+0x3d8/0x15b0 [13553.832091][ T7704] ip6_route_info_create+0xf18/0x17d0 [13553.832091][ T7704] ip6_route_add+0x1c/0x140 [13553.832091][ T7704] addrconf_prefix_route+0x2a6/0x430 [13553.832091][ T7704] inet6_addr_add+0x4f8/0xa40 [13553.832091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13553.832091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13553.832091][ T7704] netlink_rcv_skb+0x130/0x360 [13553.832091][ T7704] netlink_unicast+0x449/0x710 [13553.832091][ T7704] netlink_sendmsg+0x723/0xbe0 [13553.832091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13553.832091][ T7704] ___sys_sendmsg+0xee/0x170 [13553.832091][ T7704] __sys_sendmsg+0xcd/0x170 [13553.832091][ T7704] do_syscall_64+0xc6/0x1e0 [13553.832091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13553.832091][ T7704] [13553.834423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13553.834423][ T7704] netdev_get_by_index+0x5e/0x80 [13553.834423][ T7704] fib6_nh_init+0x3d8/0x15b0 [13553.834423][ T7704] ip6_route_info_create+0xf18/0x17d0 [13553.834423][ T7704] addrconf_f6i_alloc+0x315/0x560 [13553.834423][ T7704] ipv6_add_addr+0x411/0x2000 [13553.834423][ T7704] inet6_addr_add+0x30e/0xa40 [13553.834423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13553.834423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13553.834423][ T7704] netlink_rcv_skb+0x130/0x360 [13553.834423][ T7704] netlink_unicast+0x449/0x710 [13553.834423][ T7704] netlink_sendmsg+0x723/0xbe0 [13553.834423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13553.834423][ T7704] ___sys_sendmsg+0xee/0x170 [13553.834423][ T7704] __sys_sendmsg+0xcd/0x170 [13553.834423][ T7704] do_syscall_64+0xc6/0x1e0 [13553.834423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13553.834423][ T7704] [13553.836670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13553.836670][ T7704] netdev_get_by_index+0x5e/0x80 [13553.836670][ T7704] fib6_nh_init+0x3d8/0x15b0 [13553.836670][ T7704] ip6_route_info_create+0xf18/0x17d0 [13553.836670][ T7704] ip6_route_add+0x1c/0x140 [13553.836670][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13553.836670][ T7704] addrconf_add_dev+0xe2/0x170 [13553.836670][ T7704] inet6_addr_add+0x12f/0xa40 [13553.836670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13553.836670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13553.836670][ T7704] netlink_rcv_skb+0x130/0x360 [13553.836670][ T7704] netlink_unicast+0x449/0x710 [13553.836670][ T7704] netlink_sendmsg+0x723/0xbe0 [13553.836670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13553.836670][ T7704] ___sys_sendmsg+0xee/0x170 [13553.836670][ T7704] __sys_sendmsg+0xcd/0x170 [13553.836670][ T7704] do_syscall_64+0xc6/0x1e0 [13553.836670][ T7704] [13553.838859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13553.838859][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13553.838859][ T7704] ipv6_find_idev+0x102/0x170 [13553.838859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13553.838859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13553.838859][ T7704] netlink_rcv_skb+0x130/0x360 [13553.838859][ T7704] netlink_unicast+0x449/0x710 [13553.838859][ T7704] netlink_sendmsg+0x723/0xbe0 [13553.838859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13553.838859][ T7704] ___sys_sendmsg+0xee/0x170 [13553.838859][ T7704] __sys_sendmsg+0xcd/0x170 [13553.838859][ T7704] do_syscall_64+0xc6/0x1e0 [13553.838859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13553.838859][ T7704] [13553.840556][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13553.840556][ T7704] neigh_parms_alloc+0x1e5/0x510 [13553.840556][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13553.840556][ T7704] ipv6_find_idev+0x102/0x170 [13553.840556][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13553.840556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13553.840556][ T7704] netlink_rcv_skb+0x130/0x360 [13553.840556][ T7704] netlink_unicast+0x449/0x710 [13553.840556][ T7704] netlink_sendmsg+0x723/0xbe0 [13553.840556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13553.840556][ T7704] ___sys_sendmsg+0xee/0x170 [13553.840556][ T7704] __sys_sendmsg+0xcd/0x170 [13553.840556][ T7704] do_syscall_64+0xc6/0x1e0 [13553.840556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13553.840556][ T7704] [13564.078951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13564.079465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13564.079465][ T7704] netdev_get_by_index+0x5e/0x80 [13564.079465][ T7704] fib6_nh_init+0x3d8/0x15b0 [13564.079465][ T7704] ip6_route_info_create+0xf18/0x17d0 [13564.079465][ T7704] ip6_route_add+0x1c/0x140 [13564.079465][ T7704] addrconf_prefix_route+0x2a6/0x430 [13564.079465][ T7704] inet6_addr_add+0x4f8/0xa40 [13564.079465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13564.079465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13564.079465][ T7704] netlink_rcv_skb+0x130/0x360 [13564.079465][ T7704] netlink_unicast+0x449/0x710 [13564.079465][ T7704] netlink_sendmsg+0x723/0xbe0 [13564.079465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13564.079465][ T7704] ___sys_sendmsg+0xee/0x170 [13564.079465][ T7704] __sys_sendmsg+0xcd/0x170 [13564.079465][ T7704] do_syscall_64+0xc6/0x1e0 [13564.079465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13564.079465][ T7704] [13564.081713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13564.081713][ T7704] netdev_get_by_index+0x5e/0x80 [13564.081713][ T7704] fib6_nh_init+0x3d8/0x15b0 [13564.081713][ T7704] ip6_route_info_create+0xf18/0x17d0 [13564.081713][ T7704] addrconf_f6i_alloc+0x315/0x560 [13564.081713][ T7704] ipv6_add_addr+0x411/0x2000 [13564.081713][ T7704] inet6_addr_add+0x30e/0xa40 [13564.081713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13564.081713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13564.081713][ T7704] netlink_rcv_skb+0x130/0x360 [13564.081713][ T7704] netlink_unicast+0x449/0x710 [13564.081713][ T7704] netlink_sendmsg+0x723/0xbe0 [13564.081713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13564.081713][ T7704] ___sys_sendmsg+0xee/0x170 [13564.081713][ T7704] __sys_sendmsg+0xcd/0x170 [13564.081713][ T7704] do_syscall_64+0xc6/0x1e0 [13564.081713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13564.081713][ T7704] [13564.083927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13564.083927][ T7704] netdev_get_by_index+0x5e/0x80 [13564.083927][ T7704] fib6_nh_init+0x3d8/0x15b0 [13564.083927][ T7704] ip6_route_info_create+0xf18/0x17d0 [13564.083927][ T7704] ip6_route_add+0x1c/0x140 [13564.083927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13564.083927][ T7704] addrconf_add_dev+0xe2/0x170 [13564.083927][ T7704] inet6_addr_add+0x12f/0xa40 [13564.083927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13564.083927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13564.083927][ T7704] netlink_rcv_skb+0x130/0x360 [13564.083927][ T7704] netlink_unicast+0x449/0x710 [13564.083927][ T7704] netlink_sendmsg+0x723/0xbe0 [13564.083927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13564.083927][ T7704] ___sys_sendmsg+0xee/0x170 [13564.083927][ T7704] __sys_sendmsg+0xcd/0x170 [13564.083927][ T7704] do_syscall_64+0xc6/0x1e0 [13564.083927][ T7704] [13564.086110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13564.086110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13564.086110][ T7704] ipv6_find_idev+0x102/0x170 [13564.086110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13564.086110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13564.086110][ T7704] netlink_rcv_skb+0x130/0x360 [13564.086110][ T7704] netlink_unicast+0x449/0x710 [13564.086110][ T7704] netlink_sendmsg+0x723/0xbe0 [13564.086110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13564.086110][ T7704] ___sys_sendmsg+0xee/0x170 [13564.086110][ T7704] __sys_sendmsg+0xcd/0x170 [13564.086110][ T7704] do_syscall_64+0xc6/0x1e0 [13564.086110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13564.086110][ T7704] [13564.087826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13564.087826][ T7704] neigh_parms_alloc+0x1e5/0x510 [13564.087826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13564.087826][ T7704] ipv6_find_idev+0x102/0x170 [13564.087826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13564.087826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13564.087826][ T7704] netlink_rcv_skb+0x130/0x360 [13564.087826][ T7704] netlink_unicast+0x449/0x710 [13564.087826][ T7704] netlink_sendmsg+0x723/0xbe0 [13564.087826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13564.087826][ T7704] ___sys_sendmsg+0xee/0x170 [13564.087826][ T7704] __sys_sendmsg+0xcd/0x170 [13564.087826][ T7704] do_syscall_64+0xc6/0x1e0 [13564.087826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13564.087826][ T7704] [13574.326877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13574.327362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13574.327362][ T7704] netdev_get_by_index+0x5e/0x80 [13574.327362][ T7704] fib6_nh_init+0x3d8/0x15b0 [13574.327362][ T7704] ip6_route_info_create+0xf18/0x17d0 [13574.327362][ T7704] ip6_route_add+0x1c/0x140 [13574.327362][ T7704] addrconf_prefix_route+0x2a6/0x430 [13574.327362][ T7704] inet6_addr_add+0x4f8/0xa40 [13574.327362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13574.327362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13574.327362][ T7704] netlink_rcv_skb+0x130/0x360 [13574.327362][ T7704] netlink_unicast+0x449/0x710 [13574.327362][ T7704] netlink_sendmsg+0x723/0xbe0 [13574.327362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13574.327362][ T7704] ___sys_sendmsg+0xee/0x170 [13574.327362][ T7704] __sys_sendmsg+0xcd/0x170 [13574.327362][ T7704] do_syscall_64+0xc6/0x1e0 [13574.327362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13574.327362][ T7704] [13574.329604][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13574.329604][ T7704] netdev_get_by_index+0x5e/0x80 [13574.329604][ T7704] fib6_nh_init+0x3d8/0x15b0 [13574.329604][ T7704] ip6_route_info_create+0xf18/0x17d0 [13574.329604][ T7704] addrconf_f6i_alloc+0x315/0x560 [13574.329604][ T7704] ipv6_add_addr+0x411/0x2000 [13574.329604][ T7704] inet6_addr_add+0x30e/0xa40 [13574.329604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13574.329604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13574.329604][ T7704] netlink_rcv_skb+0x130/0x360 [13574.329604][ T7704] netlink_unicast+0x449/0x710 [13574.329604][ T7704] netlink_sendmsg+0x723/0xbe0 [13574.329604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13574.329604][ T7704] ___sys_sendmsg+0xee/0x170 [13574.329604][ T7704] __sys_sendmsg+0xcd/0x170 [13574.329604][ T7704] do_syscall_64+0xc6/0x1e0 [13574.329604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13574.329604][ T7704] [13574.331835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13574.331835][ T7704] netdev_get_by_index+0x5e/0x80 [13574.331835][ T7704] fib6_nh_init+0x3d8/0x15b0 [13574.331835][ T7704] ip6_route_info_create+0xf18/0x17d0 [13574.331835][ T7704] ip6_route_add+0x1c/0x140 [13574.331835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13574.331835][ T7704] addrconf_add_dev+0xe2/0x170 [13574.331835][ T7704] inet6_addr_add+0x12f/0xa40 [13574.331835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13574.331835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13574.331835][ T7704] netlink_rcv_skb+0x130/0x360 [13574.331835][ T7704] netlink_unicast+0x449/0x710 [13574.331835][ T7704] netlink_sendmsg+0x723/0xbe0 [13574.331835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13574.331835][ T7704] ___sys_sendmsg+0xee/0x170 [13574.331835][ T7704] __sys_sendmsg+0xcd/0x170 [13574.331835][ T7704] do_syscall_64+0xc6/0x1e0 [13574.331835][ T7704] [13574.334010][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13574.334010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13574.334010][ T7704] ipv6_find_idev+0x102/0x170 [13574.334010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13574.334010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13574.334010][ T7704] netlink_rcv_skb+0x130/0x360 [13574.334010][ T7704] netlink_unicast+0x449/0x710 [13574.334010][ T7704] netlink_sendmsg+0x723/0xbe0 [13574.334010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13574.334010][ T7704] ___sys_sendmsg+0xee/0x170 [13574.334010][ T7704] __sys_sendmsg+0xcd/0x170 [13574.334010][ T7704] do_syscall_64+0xc6/0x1e0 [13574.334010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13574.334010][ T7704] [13574.335742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13574.335742][ T7704] neigh_parms_alloc+0x1e5/0x510 [13574.335742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13574.335742][ T7704] ipv6_find_idev+0x102/0x170 [13574.335742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13574.335742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13574.335742][ T7704] netlink_rcv_skb+0x130/0x360 [13574.335742][ T7704] netlink_unicast+0x449/0x710 [13574.335742][ T7704] netlink_sendmsg+0x723/0xbe0 [13574.335742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13574.335742][ T7704] ___sys_sendmsg+0xee/0x170 [13574.335742][ T7704] __sys_sendmsg+0xcd/0x170 [13574.335742][ T7704] do_syscall_64+0xc6/0x1e0 [13574.335742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13574.335742][ T7704] [13584.574946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13584.575433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13584.575433][ T7704] netdev_get_by_index+0x5e/0x80 [13584.575433][ T7704] fib6_nh_init+0x3d8/0x15b0 [13584.575433][ T7704] ip6_route_info_create+0xf18/0x17d0 [13584.575433][ T7704] ip6_route_add+0x1c/0x140 [13584.575433][ T7704] addrconf_prefix_route+0x2a6/0x430 [13584.575433][ T7704] inet6_addr_add+0x4f8/0xa40 [13584.575433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13584.575433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13584.575433][ T7704] netlink_rcv_skb+0x130/0x360 [13584.575433][ T7704] netlink_unicast+0x449/0x710 [13584.575433][ T7704] netlink_sendmsg+0x723/0xbe0 [13584.575433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13584.575433][ T7704] ___sys_sendmsg+0xee/0x170 [13584.575433][ T7704] __sys_sendmsg+0xcd/0x170 [13584.575433][ T7704] do_syscall_64+0xc6/0x1e0 [13584.575433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13584.575433][ T7704] [13584.577689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13584.577689][ T7704] netdev_get_by_index+0x5e/0x80 [13584.577689][ T7704] fib6_nh_init+0x3d8/0x15b0 [13584.577689][ T7704] ip6_route_info_create+0xf18/0x17d0 [13584.577689][ T7704] addrconf_f6i_alloc+0x315/0x560 [13584.577689][ T7704] ipv6_add_addr+0x411/0x2000 [13584.577689][ T7704] inet6_addr_add+0x30e/0xa40 [13584.577689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13584.577689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13584.577689][ T7704] netlink_rcv_skb+0x130/0x360 [13584.577689][ T7704] netlink_unicast+0x449/0x710 [13584.577689][ T7704] netlink_sendmsg+0x723/0xbe0 [13584.577689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13584.577689][ T7704] ___sys_sendmsg+0xee/0x170 [13584.577689][ T7704] __sys_sendmsg+0xcd/0x170 [13584.577689][ T7704] do_syscall_64+0xc6/0x1e0 [13584.577689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13584.577689][ T7704] [13584.579904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13584.579904][ T7704] netdev_get_by_index+0x5e/0x80 [13584.579904][ T7704] fib6_nh_init+0x3d8/0x15b0 [13584.579904][ T7704] ip6_route_info_create+0xf18/0x17d0 [13584.579904][ T7704] ip6_route_add+0x1c/0x140 [13584.579904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13584.579904][ T7704] addrconf_add_dev+0xe2/0x170 [13584.579904][ T7704] inet6_addr_add+0x12f/0xa40 [13584.579904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13584.579904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13584.579904][ T7704] netlink_rcv_skb+0x130/0x360 [13584.579904][ T7704] netlink_unicast+0x449/0x710 [13584.579904][ T7704] netlink_sendmsg+0x723/0xbe0 [13584.579904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13584.579904][ T7704] ___sys_sendmsg+0xee/0x170 [13584.579904][ T7704] __sys_sendmsg+0xcd/0x170 [13584.579904][ T7704] do_syscall_64+0xc6/0x1e0 [13584.579904][ T7704] [13584.582081][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13584.582081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13584.582081][ T7704] ipv6_find_idev+0x102/0x170 [13584.582081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13584.582081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13584.582081][ T7704] netlink_rcv_skb+0x130/0x360 [13584.582081][ T7704] netlink_unicast+0x449/0x710 [13584.582081][ T7704] netlink_sendmsg+0x723/0xbe0 [13584.582081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13584.582081][ T7704] ___sys_sendmsg+0xee/0x170 [13584.582081][ T7704] __sys_sendmsg+0xcd/0x170 [13584.582081][ T7704] do_syscall_64+0xc6/0x1e0 [13584.582081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13584.582081][ T7704] [13584.583787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13584.583787][ T7704] neigh_parms_alloc+0x1e5/0x510 [13584.583787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13584.583787][ T7704] ipv6_find_idev+0x102/0x170 [13584.583787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13584.583787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13584.583787][ T7704] netlink_rcv_skb+0x130/0x360 [13584.583787][ T7704] netlink_unicast+0x449/0x710 [13584.583787][ T7704] netlink_sendmsg+0x723/0xbe0 [13584.583787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13584.583787][ T7704] ___sys_sendmsg+0xee/0x170 [13584.583787][ T7704] __sys_sendmsg+0xcd/0x170 [13584.583787][ T7704] do_syscall_64+0xc6/0x1e0 [13584.583787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13584.583787][ T7704] [13594.823075][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13594.823527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13594.823527][ T7704] netdev_get_by_index+0x5e/0x80 [13594.823527][ T7704] fib6_nh_init+0x3d8/0x15b0 [13594.823527][ T7704] ip6_route_info_create+0xf18/0x17d0 [13594.823527][ T7704] ip6_route_add+0x1c/0x140 [13594.823527][ T7704] addrconf_prefix_route+0x2a6/0x430 [13594.823527][ T7704] inet6_addr_add+0x4f8/0xa40 [13594.823527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13594.823527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13594.823527][ T7704] netlink_rcv_skb+0x130/0x360 [13594.823527][ T7704] netlink_unicast+0x449/0x710 [13594.823527][ T7704] netlink_sendmsg+0x723/0xbe0 [13594.823527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13594.823527][ T7704] ___sys_sendmsg+0xee/0x170 [13594.823527][ T7704] __sys_sendmsg+0xcd/0x170 [13594.823527][ T7704] do_syscall_64+0xc6/0x1e0 [13594.823527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13594.823527][ T7704] [13594.825732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13594.825732][ T7704] netdev_get_by_index+0x5e/0x80 [13594.825732][ T7704] fib6_nh_init+0x3d8/0x15b0 [13594.825732][ T7704] ip6_route_info_create+0xf18/0x17d0 [13594.825732][ T7704] addrconf_f6i_alloc+0x315/0x560 [13594.825732][ T7704] ipv6_add_addr+0x411/0x2000 [13594.825732][ T7704] inet6_addr_add+0x30e/0xa40 [13594.825732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13594.825732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13594.825732][ T7704] netlink_rcv_skb+0x130/0x360 [13594.825732][ T7704] netlink_unicast+0x449/0x710 [13594.825732][ T7704] netlink_sendmsg+0x723/0xbe0 [13594.825732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13594.825732][ T7704] ___sys_sendmsg+0xee/0x170 [13594.825732][ T7704] __sys_sendmsg+0xcd/0x170 [13594.825732][ T7704] do_syscall_64+0xc6/0x1e0 [13594.825732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13594.825732][ T7704] [13594.827927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13594.827927][ T7704] netdev_get_by_index+0x5e/0x80 [13594.827927][ T7704] fib6_nh_init+0x3d8/0x15b0 [13594.827927][ T7704] ip6_route_info_create+0xf18/0x17d0 [13594.827927][ T7704] ip6_route_add+0x1c/0x140 [13594.827927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13594.827927][ T7704] addrconf_add_dev+0xe2/0x170 [13594.827927][ T7704] inet6_addr_add+0x12f/0xa40 [13594.827927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13594.827927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13594.827927][ T7704] netlink_rcv_skb+0x130/0x360 [13594.827927][ T7704] netlink_unicast+0x449/0x710 [13594.827927][ T7704] netlink_sendmsg+0x723/0xbe0 [13594.827927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13594.827927][ T7704] ___sys_sendmsg+0xee/0x170 [13594.827927][ T7704] __sys_sendmsg+0xcd/0x170 [13594.827927][ T7704] do_syscall_64+0xc6/0x1e0 [13594.827927][ T7704] [13594.830058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13594.830058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13594.830058][ T7704] ipv6_find_idev+0x102/0x170 [13594.830058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13594.830058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13594.830058][ T7704] netlink_rcv_skb+0x130/0x360 [13594.830058][ T7704] netlink_unicast+0x449/0x710 [13594.830058][ T7704] netlink_sendmsg+0x723/0xbe0 [13594.830058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13594.830058][ T7704] ___sys_sendmsg+0xee/0x170 [13594.830058][ T7704] __sys_sendmsg+0xcd/0x170 [13594.830058][ T7704] do_syscall_64+0xc6/0x1e0 [13594.830058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13594.830058][ T7704] [13594.831749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13594.831749][ T7704] neigh_parms_alloc+0x1e5/0x510 [13594.831749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13594.831749][ T7704] ipv6_find_idev+0x102/0x170 [13594.831749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13594.831749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13594.831749][ T7704] netlink_rcv_skb+0x130/0x360 [13594.831749][ T7704] netlink_unicast+0x449/0x710 [13594.831749][ T7704] netlink_sendmsg+0x723/0xbe0 [13594.831749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13594.831749][ T7704] ___sys_sendmsg+0xee/0x170 [13594.831749][ T7704] __sys_sendmsg+0xcd/0x170 [13594.831749][ T7704] do_syscall_64+0xc6/0x1e0 [13594.831749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13594.831749][ T7704] [13605.071005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13605.071534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13605.071534][ T7704] netdev_get_by_index+0x5e/0x80 [13605.071534][ T7704] fib6_nh_init+0x3d8/0x15b0 [13605.071534][ T7704] ip6_route_info_create+0xf18/0x17d0 [13605.071534][ T7704] ip6_route_add+0x1c/0x140 [13605.071534][ T7704] addrconf_prefix_route+0x2a6/0x430 [13605.071534][ T7704] inet6_addr_add+0x4f8/0xa40 [13605.071534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13605.071534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13605.071534][ T7704] netlink_rcv_skb+0x130/0x360 [13605.071534][ T7704] netlink_unicast+0x449/0x710 [13605.071534][ T7704] netlink_sendmsg+0x723/0xbe0 [13605.071534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13605.071534][ T7704] ___sys_sendmsg+0xee/0x170 [13605.071534][ T7704] __sys_sendmsg+0xcd/0x170 [13605.071534][ T7704] do_syscall_64+0xc6/0x1e0 [13605.071534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13605.071534][ T7704] [13605.073781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13605.073781][ T7704] netdev_get_by_index+0x5e/0x80 [13605.073781][ T7704] fib6_nh_init+0x3d8/0x15b0 [13605.073781][ T7704] ip6_route_info_create+0xf18/0x17d0 [13605.073781][ T7704] addrconf_f6i_alloc+0x315/0x560 [13605.073781][ T7704] ipv6_add_addr+0x411/0x2000 [13605.073781][ T7704] inet6_addr_add+0x30e/0xa40 [13605.073781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13605.073781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13605.073781][ T7704] netlink_rcv_skb+0x130/0x360 [13605.073781][ T7704] netlink_unicast+0x449/0x710 [13605.073781][ T7704] netlink_sendmsg+0x723/0xbe0 [13605.073781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13605.073781][ T7704] ___sys_sendmsg+0xee/0x170 [13605.073781][ T7704] __sys_sendmsg+0xcd/0x170 [13605.073781][ T7704] do_syscall_64+0xc6/0x1e0 [13605.073781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13605.073781][ T7704] [13605.076045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13605.076045][ T7704] netdev_get_by_index+0x5e/0x80 [13605.076045][ T7704] fib6_nh_init+0x3d8/0x15b0 [13605.076045][ T7704] ip6_route_info_create+0xf18/0x17d0 [13605.076045][ T7704] ip6_route_add+0x1c/0x140 [13605.076045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13605.076045][ T7704] addrconf_add_dev+0xe2/0x170 [13605.076045][ T7704] inet6_addr_add+0x12f/0xa40 [13605.076045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13605.076045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13605.076045][ T7704] netlink_rcv_skb+0x130/0x360 [13605.076045][ T7704] netlink_unicast+0x449/0x710 [13605.076045][ T7704] netlink_sendmsg+0x723/0xbe0 [13605.076045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13605.076045][ T7704] ___sys_sendmsg+0xee/0x170 [13605.076045][ T7704] __sys_sendmsg+0xcd/0x170 [13605.076045][ T7704] do_syscall_64+0xc6/0x1e0 [13605.076045][ T7704] [13605.078258][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13605.078258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13605.078258][ T7704] ipv6_find_idev+0x102/0x170 [13605.078258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13605.078258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13605.078258][ T7704] netlink_rcv_skb+0x130/0x360 [13605.078258][ T7704] netlink_unicast+0x449/0x710 [13605.078258][ T7704] netlink_sendmsg+0x723/0xbe0 [13605.078258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13605.078258][ T7704] ___sys_sendmsg+0xee/0x170 [13605.078258][ T7704] __sys_sendmsg+0xcd/0x170 [13605.078258][ T7704] do_syscall_64+0xc6/0x1e0 [13605.078258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13605.078258][ T7704] [13605.079985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13605.079985][ T7704] neigh_parms_alloc+0x1e5/0x510 [13605.079985][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13605.079985][ T7704] ipv6_find_idev+0x102/0x170 [13605.079985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13605.079985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13605.079985][ T7704] netlink_rcv_skb+0x130/0x360 [13605.079985][ T7704] netlink_unicast+0x449/0x710 [13605.079985][ T7704] netlink_sendmsg+0x723/0xbe0 [13605.079985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13605.079985][ T7704] ___sys_sendmsg+0xee/0x170 [13605.079985][ T7704] __sys_sendmsg+0xcd/0x170 [13605.079985][ T7704] do_syscall_64+0xc6/0x1e0 [13605.079985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13605.079985][ T7704] [13615.319019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13615.319545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13615.319545][ T7704] netdev_get_by_index+0x5e/0x80 [13615.319545][ T7704] fib6_nh_init+0x3d8/0x15b0 [13615.319545][ T7704] ip6_route_info_create+0xf18/0x17d0 [13615.319545][ T7704] ip6_route_add+0x1c/0x140 [13615.319545][ T7704] addrconf_prefix_route+0x2a6/0x430 [13615.319545][ T7704] inet6_addr_add+0x4f8/0xa40 [13615.319545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13615.319545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13615.319545][ T7704] netlink_rcv_skb+0x130/0x360 [13615.319545][ T7704] netlink_unicast+0x449/0x710 [13615.319545][ T7704] netlink_sendmsg+0x723/0xbe0 [13615.319545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13615.319545][ T7704] ___sys_sendmsg+0xee/0x170 [13615.319545][ T7704] __sys_sendmsg+0xcd/0x170 [13615.319545][ T7704] do_syscall_64+0xc6/0x1e0 [13615.319545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13615.319545][ T7704] [13615.321804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13615.321804][ T7704] netdev_get_by_index+0x5e/0x80 [13615.321804][ T7704] fib6_nh_init+0x3d8/0x15b0 [13615.321804][ T7704] ip6_route_info_create+0xf18/0x17d0 [13615.321804][ T7704] addrconf_f6i_alloc+0x315/0x560 [13615.321804][ T7704] ipv6_add_addr+0x411/0x2000 [13615.321804][ T7704] inet6_addr_add+0x30e/0xa40 [13615.321804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13615.321804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13615.321804][ T7704] netlink_rcv_skb+0x130/0x360 [13615.321804][ T7704] netlink_unicast+0x449/0x710 [13615.321804][ T7704] netlink_sendmsg+0x723/0xbe0 [13615.321804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13615.321804][ T7704] ___sys_sendmsg+0xee/0x170 [13615.321804][ T7704] __sys_sendmsg+0xcd/0x170 [13615.321804][ T7704] do_syscall_64+0xc6/0x1e0 [13615.321804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13615.321804][ T7704] [13615.323976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13615.323976][ T7704] netdev_get_by_index+0x5e/0x80 [13615.323976][ T7704] fib6_nh_init+0x3d8/0x15b0 [13615.323976][ T7704] ip6_route_info_create+0xf18/0x17d0 [13615.323976][ T7704] ip6_route_add+0x1c/0x140 [13615.323976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13615.323976][ T7704] addrconf_add_dev+0xe2/0x170 [13615.323976][ T7704] inet6_addr_add+0x12f/0xa40 [13615.323976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13615.323976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13615.323976][ T7704] netlink_rcv_skb+0x130/0x360 [13615.323976][ T7704] netlink_unicast+0x449/0x710 [13615.323976][ T7704] netlink_sendmsg+0x723/0xbe0 [13615.323976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13615.323976][ T7704] ___sys_sendmsg+0xee/0x170 [13615.323976][ T7704] __sys_sendmsg+0xcd/0x170 [13615.323976][ T7704] do_syscall_64+0xc6/0x1e0 [13615.323976][ T7704] [13615.326117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13615.326117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13615.326117][ T7704] ipv6_find_idev+0x102/0x170 [13615.326117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13615.326117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13615.326117][ T7704] netlink_rcv_skb+0x130/0x360 [13615.326117][ T7704] netlink_unicast+0x449/0x710 [13615.326117][ T7704] netlink_sendmsg+0x723/0xbe0 [13615.326117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13615.326117][ T7704] ___sys_sendmsg+0xee/0x170 [13615.326117][ T7704] __sys_sendmsg+0xcd/0x170 [13615.326117][ T7704] do_syscall_64+0xc6/0x1e0 [13615.326117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13615.326117][ T7704] [13615.327789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13615.327789][ T7704] neigh_parms_alloc+0x1e5/0x510 [13615.327789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13615.327789][ T7704] ipv6_find_idev+0x102/0x170 [13615.327789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13615.327789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13615.327789][ T7704] netlink_rcv_skb+0x130/0x360 [13615.327789][ T7704] netlink_unicast+0x449/0x710 [13615.327789][ T7704] netlink_sendmsg+0x723/0xbe0 [13615.327789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13615.327789][ T7704] ___sys_sendmsg+0xee/0x170 [13615.327789][ T7704] __sys_sendmsg+0xcd/0x170 [13615.327789][ T7704] do_syscall_64+0xc6/0x1e0 [13615.327789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13615.327789][ T7704] [13625.566958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13625.567507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13625.567507][ T7704] netdev_get_by_index+0x5e/0x80 [13625.567507][ T7704] fib6_nh_init+0x3d8/0x15b0 [13625.567507][ T7704] ip6_route_info_create+0xf18/0x17d0 [13625.567507][ T7704] ip6_route_add+0x1c/0x140 [13625.567507][ T7704] addrconf_prefix_route+0x2a6/0x430 [13625.567507][ T7704] inet6_addr_add+0x4f8/0xa40 [13625.567507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13625.567507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13625.567507][ T7704] netlink_rcv_skb+0x130/0x360 [13625.567507][ T7704] netlink_unicast+0x449/0x710 [13625.567507][ T7704] netlink_sendmsg+0x723/0xbe0 [13625.567507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13625.567507][ T7704] ___sys_sendmsg+0xee/0x170 [13625.567507][ T7704] __sys_sendmsg+0xcd/0x170 [13625.567507][ T7704] do_syscall_64+0xc6/0x1e0 [13625.567507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13625.567507][ T7704] [13625.569744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13625.569744][ T7704] netdev_get_by_index+0x5e/0x80 [13625.569744][ T7704] fib6_nh_init+0x3d8/0x15b0 [13625.569744][ T7704] ip6_route_info_create+0xf18/0x17d0 [13625.569744][ T7704] addrconf_f6i_alloc+0x315/0x560 [13625.569744][ T7704] ipv6_add_addr+0x411/0x2000 [13625.569744][ T7704] inet6_addr_add+0x30e/0xa40 [13625.569744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13625.569744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13625.569744][ T7704] netlink_rcv_skb+0x130/0x360 [13625.569744][ T7704] netlink_unicast+0x449/0x710 [13625.569744][ T7704] netlink_sendmsg+0x723/0xbe0 [13625.569744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13625.569744][ T7704] ___sys_sendmsg+0xee/0x170 [13625.569744][ T7704] __sys_sendmsg+0xcd/0x170 [13625.569744][ T7704] do_syscall_64+0xc6/0x1e0 [13625.569744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13625.569744][ T7704] [13625.571992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13625.571992][ T7704] netdev_get_by_index+0x5e/0x80 [13625.571992][ T7704] fib6_nh_init+0x3d8/0x15b0 [13625.571992][ T7704] ip6_route_info_create+0xf18/0x17d0 [13625.571992][ T7704] ip6_route_add+0x1c/0x140 [13625.571992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13625.571992][ T7704] addrconf_add_dev+0xe2/0x170 [13625.571992][ T7704] inet6_addr_add+0x12f/0xa40 [13625.571992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13625.571992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13625.571992][ T7704] netlink_rcv_skb+0x130/0x360 [13625.571992][ T7704] netlink_unicast+0x449/0x710 [13625.571992][ T7704] netlink_sendmsg+0x723/0xbe0 [13625.571992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13625.571992][ T7704] ___sys_sendmsg+0xee/0x170 [13625.571992][ T7704] __sys_sendmsg+0xcd/0x170 [13625.571992][ T7704] do_syscall_64+0xc6/0x1e0 [13625.571992][ T7704] [13625.574191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13625.574191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13625.574191][ T7704] ipv6_find_idev+0x102/0x170 [13625.574191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13625.574191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13625.574191][ T7704] netlink_rcv_skb+0x130/0x360 [13625.574191][ T7704] netlink_unicast+0x449/0x710 [13625.574191][ T7704] netlink_sendmsg+0x723/0xbe0 [13625.574191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13625.574191][ T7704] ___sys_sendmsg+0xee/0x170 [13625.574191][ T7704] __sys_sendmsg+0xcd/0x170 [13625.574191][ T7704] do_syscall_64+0xc6/0x1e0 [13625.574191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13625.574191][ T7704] [13625.575921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13625.575921][ T7704] neigh_parms_alloc+0x1e5/0x510 [13625.575921][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13625.575921][ T7704] ipv6_find_idev+0x102/0x170 [13625.575921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13625.575921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13625.575921][ T7704] netlink_rcv_skb+0x130/0x360 [13625.575921][ T7704] netlink_unicast+0x449/0x710 [13625.575921][ T7704] netlink_sendmsg+0x723/0xbe0 [13625.575921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13625.575921][ T7704] ___sys_sendmsg+0xee/0x170 [13625.575921][ T7704] __sys_sendmsg+0xcd/0x170 [13625.575921][ T7704] do_syscall_64+0xc6/0x1e0 [13625.575921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13625.575921][ T7704] [13635.814951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13635.815425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13635.815425][ T7704] netdev_get_by_index+0x5e/0x80 [13635.815425][ T7704] fib6_nh_init+0x3d8/0x15b0 [13635.815425][ T7704] ip6_route_info_create+0xf18/0x17d0 [13635.815425][ T7704] ip6_route_add+0x1c/0x140 [13635.815425][ T7704] addrconf_prefix_route+0x2a6/0x430 [13635.815425][ T7704] inet6_addr_add+0x4f8/0xa40 [13635.815425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13635.815425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13635.815425][ T7704] netlink_rcv_skb+0x130/0x360 [13635.815425][ T7704] netlink_unicast+0x449/0x710 [13635.815425][ T7704] netlink_sendmsg+0x723/0xbe0 [13635.815425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13635.815425][ T7704] ___sys_sendmsg+0xee/0x170 [13635.815425][ T7704] __sys_sendmsg+0xcd/0x170 [13635.815425][ T7704] do_syscall_64+0xc6/0x1e0 [13635.815425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13635.815425][ T7704] [13635.817698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13635.817698][ T7704] netdev_get_by_index+0x5e/0x80 [13635.817698][ T7704] fib6_nh_init+0x3d8/0x15b0 [13635.817698][ T7704] ip6_route_info_create+0xf18/0x17d0 [13635.817698][ T7704] addrconf_f6i_alloc+0x315/0x560 [13635.817698][ T7704] ipv6_add_addr+0x411/0x2000 [13635.817698][ T7704] inet6_addr_add+0x30e/0xa40 [13635.817698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13635.817698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13635.817698][ T7704] netlink_rcv_skb+0x130/0x360 [13635.817698][ T7704] netlink_unicast+0x449/0x710 [13635.817698][ T7704] netlink_sendmsg+0x723/0xbe0 [13635.817698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13635.817698][ T7704] ___sys_sendmsg+0xee/0x170 [13635.817698][ T7704] __sys_sendmsg+0xcd/0x170 [13635.817698][ T7704] do_syscall_64+0xc6/0x1e0 [13635.817698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13635.817698][ T7704] [13635.819918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13635.819918][ T7704] netdev_get_by_index+0x5e/0x80 [13635.819918][ T7704] fib6_nh_init+0x3d8/0x15b0 [13635.819918][ T7704] ip6_route_info_create+0xf18/0x17d0 [13635.819918][ T7704] ip6_route_add+0x1c/0x140 [13635.819918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13635.819918][ T7704] addrconf_add_dev+0xe2/0x170 [13635.819918][ T7704] inet6_addr_add+0x12f/0xa40 [13635.819918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13635.819918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13635.819918][ T7704] netlink_rcv_skb+0x130/0x360 [13635.819918][ T7704] netlink_unicast+0x449/0x710 [13635.819918][ T7704] netlink_sendmsg+0x723/0xbe0 [13635.819918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13635.819918][ T7704] ___sys_sendmsg+0xee/0x170 [13635.819918][ T7704] __sys_sendmsg+0xcd/0x170 [13635.819918][ T7704] do_syscall_64+0xc6/0x1e0 [13635.819918][ T7704] [13635.822123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13635.822123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13635.822123][ T7704] ipv6_find_idev+0x102/0x170 [13635.822123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13635.822123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13635.822123][ T7704] netlink_rcv_skb+0x130/0x360 [13635.822123][ T7704] netlink_unicast+0x449/0x710 [13635.822123][ T7704] netlink_sendmsg+0x723/0xbe0 [13635.822123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13635.822123][ T7704] ___sys_sendmsg+0xee/0x170 [13635.822123][ T7704] __sys_sendmsg+0xcd/0x170 [13635.822123][ T7704] do_syscall_64+0xc6/0x1e0 [13635.822123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13635.822123][ T7704] [13635.823840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13635.823840][ T7704] neigh_parms_alloc+0x1e5/0x510 [13635.823840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13635.823840][ T7704] ipv6_find_idev+0x102/0x170 [13635.823840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13635.823840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13635.823840][ T7704] netlink_rcv_skb+0x130/0x360 [13635.823840][ T7704] netlink_unicast+0x449/0x710 [13635.823840][ T7704] netlink_sendmsg+0x723/0xbe0 [13635.823840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13635.823840][ T7704] ___sys_sendmsg+0xee/0x170 [13635.823840][ T7704] __sys_sendmsg+0xcd/0x170 [13635.823840][ T7704] do_syscall_64+0xc6/0x1e0 [13635.823840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13635.823840][ T7704] [13646.063007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13646.063558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13646.063558][ T7704] netdev_get_by_index+0x5e/0x80 [13646.063558][ T7704] fib6_nh_init+0x3d8/0x15b0 [13646.063558][ T7704] ip6_route_info_create+0xf18/0x17d0 [13646.063558][ T7704] ip6_route_add+0x1c/0x140 [13646.063558][ T7704] addrconf_prefix_route+0x2a6/0x430 [13646.063558][ T7704] inet6_addr_add+0x4f8/0xa40 [13646.063558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13646.063558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13646.063558][ T7704] netlink_rcv_skb+0x130/0x360 [13646.063558][ T7704] netlink_unicast+0x449/0x710 [13646.063558][ T7704] netlink_sendmsg+0x723/0xbe0 [13646.063558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13646.063558][ T7704] ___sys_sendmsg+0xee/0x170 [13646.063558][ T7704] __sys_sendmsg+0xcd/0x170 [13646.063558][ T7704] do_syscall_64+0xc6/0x1e0 [13646.063558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13646.063558][ T7704] [13646.065771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13646.065771][ T7704] netdev_get_by_index+0x5e/0x80 [13646.065771][ T7704] fib6_nh_init+0x3d8/0x15b0 [13646.065771][ T7704] ip6_route_info_create+0xf18/0x17d0 [13646.065771][ T7704] addrconf_f6i_alloc+0x315/0x560 [13646.065771][ T7704] ipv6_add_addr+0x411/0x2000 [13646.065771][ T7704] inet6_addr_add+0x30e/0xa40 [13646.065771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13646.065771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13646.065771][ T7704] netlink_rcv_skb+0x130/0x360 [13646.065771][ T7704] netlink_unicast+0x449/0x710 [13646.065771][ T7704] netlink_sendmsg+0x723/0xbe0 [13646.065771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13646.065771][ T7704] ___sys_sendmsg+0xee/0x170 [13646.065771][ T7704] __sys_sendmsg+0xcd/0x170 [13646.065771][ T7704] do_syscall_64+0xc6/0x1e0 [13646.065771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13646.065771][ T7704] [13646.067982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13646.067982][ T7704] netdev_get_by_index+0x5e/0x80 [13646.067982][ T7704] fib6_nh_init+0x3d8/0x15b0 [13646.067982][ T7704] ip6_route_info_create+0xf18/0x17d0 [13646.067982][ T7704] ip6_route_add+0x1c/0x140 [13646.067982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13646.067982][ T7704] addrconf_add_dev+0xe2/0x170 [13646.067982][ T7704] inet6_addr_add+0x12f/0xa40 [13646.067982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13646.067982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13646.067982][ T7704] netlink_rcv_skb+0x130/0x360 [13646.067982][ T7704] netlink_unicast+0x449/0x710 [13646.067982][ T7704] netlink_sendmsg+0x723/0xbe0 [13646.067982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13646.067982][ T7704] ___sys_sendmsg+0xee/0x170 [13646.067982][ T7704] __sys_sendmsg+0xcd/0x170 [13646.067982][ T7704] do_syscall_64+0xc6/0x1e0 [13646.067982][ T7704] [13646.070112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13646.070112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13646.070112][ T7704] ipv6_find_idev+0x102/0x170 [13646.070112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13646.070112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13646.070112][ T7704] netlink_rcv_skb+0x130/0x360 [13646.070112][ T7704] netlink_unicast+0x449/0x710 [13646.070112][ T7704] netlink_sendmsg+0x723/0xbe0 [13646.070112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13646.070112][ T7704] ___sys_sendmsg+0xee/0x170 [13646.070112][ T7704] __sys_sendmsg+0xcd/0x170 [13646.070112][ T7704] do_syscall_64+0xc6/0x1e0 [13646.070112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13646.070112][ T7704] [13646.071802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13646.071802][ T7704] neigh_parms_alloc+0x1e5/0x510 [13646.071802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13646.071802][ T7704] ipv6_find_idev+0x102/0x170 [13646.071802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13646.071802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13646.071802][ T7704] netlink_rcv_skb+0x130/0x360 [13646.071802][ T7704] netlink_unicast+0x449/0x710 [13646.071802][ T7704] netlink_sendmsg+0x723/0xbe0 [13646.071802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13646.071802][ T7704] ___sys_sendmsg+0xee/0x170 [13646.071802][ T7704] __sys_sendmsg+0xcd/0x170 [13646.071802][ T7704] do_syscall_64+0xc6/0x1e0 [13646.071802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13646.071802][ T7704] [13656.310940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13656.311367][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13656.311367][ T7704] netdev_get_by_index+0x5e/0x80 [13656.311367][ T7704] fib6_nh_init+0x3d8/0x15b0 [13656.311367][ T7704] ip6_route_info_create+0xf18/0x17d0 [13656.311367][ T7704] ip6_route_add+0x1c/0x140 [13656.311367][ T7704] addrconf_prefix_route+0x2a6/0x430 [13656.311367][ T7704] inet6_addr_add+0x4f8/0xa40 [13656.311367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13656.311367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13656.311367][ T7704] netlink_rcv_skb+0x130/0x360 [13656.311367][ T7704] netlink_unicast+0x449/0x710 [13656.311367][ T7704] netlink_sendmsg+0x723/0xbe0 [13656.311367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13656.311367][ T7704] ___sys_sendmsg+0xee/0x170 [13656.311367][ T7704] __sys_sendmsg+0xcd/0x170 [13656.311367][ T7704] do_syscall_64+0xc6/0x1e0 [13656.311367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13656.311367][ T7704] [13656.313620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13656.313620][ T7704] netdev_get_by_index+0x5e/0x80 [13656.313620][ T7704] fib6_nh_init+0x3d8/0x15b0 [13656.313620][ T7704] ip6_route_info_create+0xf18/0x17d0 [13656.313620][ T7704] addrconf_f6i_alloc+0x315/0x560 [13656.313620][ T7704] ipv6_add_addr+0x411/0x2000 [13656.313620][ T7704] inet6_addr_add+0x30e/0xa40 [13656.313620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13656.313620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13656.313620][ T7704] netlink_rcv_skb+0x130/0x360 [13656.313620][ T7704] netlink_unicast+0x449/0x710 [13656.313620][ T7704] netlink_sendmsg+0x723/0xbe0 [13656.313620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13656.313620][ T7704] ___sys_sendmsg+0xee/0x170 [13656.313620][ T7704] __sys_sendmsg+0xcd/0x170 [13656.313620][ T7704] do_syscall_64+0xc6/0x1e0 [13656.313620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13656.313620][ T7704] [13656.315869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13656.315869][ T7704] netdev_get_by_index+0x5e/0x80 [13656.315869][ T7704] fib6_nh_init+0x3d8/0x15b0 [13656.315869][ T7704] ip6_route_info_create+0xf18/0x17d0 [13656.315869][ T7704] ip6_route_add+0x1c/0x140 [13656.315869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13656.315869][ T7704] addrconf_add_dev+0xe2/0x170 [13656.315869][ T7704] inet6_addr_add+0x12f/0xa40 [13656.315869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13656.315869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13656.315869][ T7704] netlink_rcv_skb+0x130/0x360 [13656.315869][ T7704] netlink_unicast+0x449/0x710 [13656.315869][ T7704] netlink_sendmsg+0x723/0xbe0 [13656.315869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13656.315869][ T7704] ___sys_sendmsg+0xee/0x170 [13656.315869][ T7704] __sys_sendmsg+0xcd/0x170 [13656.315869][ T7704] do_syscall_64+0xc6/0x1e0 [13656.315869][ T7704] [13656.318049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13656.318049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13656.318049][ T7704] ipv6_find_idev+0x102/0x170 [13656.318049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13656.318049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13656.318049][ T7704] netlink_rcv_skb+0x130/0x360 [13656.318049][ T7704] netlink_unicast+0x449/0x710 [13656.318049][ T7704] netlink_sendmsg+0x723/0xbe0 [13656.318049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13656.318049][ T7704] ___sys_sendmsg+0xee/0x170 [13656.318049][ T7704] __sys_sendmsg+0xcd/0x170 [13656.318049][ T7704] do_syscall_64+0xc6/0x1e0 [13656.318049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13656.318049][ T7704] [13656.319761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13656.319761][ T7704] neigh_parms_alloc+0x1e5/0x510 [13656.319761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13656.319761][ T7704] ipv6_find_idev+0x102/0x170 [13656.319761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13656.319761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13656.319761][ T7704] netlink_rcv_skb+0x130/0x360 [13656.319761][ T7704] netlink_unicast+0x449/0x710 [13656.319761][ T7704] netlink_sendmsg+0x723/0xbe0 [13656.319761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13656.319761][ T7704] ___sys_sendmsg+0xee/0x170 [13656.319761][ T7704] __sys_sendmsg+0xcd/0x170 [13656.319761][ T7704] do_syscall_64+0xc6/0x1e0 [13656.319761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13656.319761][ T7704] [13666.511002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13666.511557][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13666.511557][ T7704] netdev_get_by_index+0x5e/0x80 [13666.511557][ T7704] fib6_nh_init+0x3d8/0x15b0 [13666.511557][ T7704] ip6_route_info_create+0xf18/0x17d0 [13666.511557][ T7704] ip6_route_add+0x1c/0x140 [13666.511557][ T7704] addrconf_prefix_route+0x2a6/0x430 [13666.511557][ T7704] inet6_addr_add+0x4f8/0xa40 [13666.511557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13666.511557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13666.511557][ T7704] netlink_rcv_skb+0x130/0x360 [13666.511557][ T7704] netlink_unicast+0x449/0x710 [13666.511557][ T7704] netlink_sendmsg+0x723/0xbe0 [13666.511557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13666.511557][ T7704] ___sys_sendmsg+0xee/0x170 [13666.511557][ T7704] __sys_sendmsg+0xcd/0x170 [13666.511557][ T7704] do_syscall_64+0xc6/0x1e0 [13666.511557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13666.511557][ T7704] [13666.513750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13666.513750][ T7704] netdev_get_by_index+0x5e/0x80 [13666.513750][ T7704] fib6_nh_init+0x3d8/0x15b0 [13666.513750][ T7704] ip6_route_info_create+0xf18/0x17d0 [13666.513750][ T7704] addrconf_f6i_alloc+0x315/0x560 [13666.513750][ T7704] ipv6_add_addr+0x411/0x2000 [13666.513750][ T7704] inet6_addr_add+0x30e/0xa40 [13666.513750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13666.513750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13666.513750][ T7704] netlink_rcv_skb+0x130/0x360 [13666.513750][ T7704] netlink_unicast+0x449/0x710 [13666.513750][ T7704] netlink_sendmsg+0x723/0xbe0 [13666.513750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13666.513750][ T7704] ___sys_sendmsg+0xee/0x170 [13666.513750][ T7704] __sys_sendmsg+0xcd/0x170 [13666.513750][ T7704] do_syscall_64+0xc6/0x1e0 [13666.513750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13666.513750][ T7704] [13666.515918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13666.515918][ T7704] netdev_get_by_index+0x5e/0x80 [13666.515918][ T7704] fib6_nh_init+0x3d8/0x15b0 [13666.515918][ T7704] ip6_route_info_create+0xf18/0x17d0 [13666.515918][ T7704] ip6_route_add+0x1c/0x140 [13666.515918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13666.515918][ T7704] addrconf_add_dev+0xe2/0x170 [13666.515918][ T7704] inet6_addr_add+0x12f/0xa40 [13666.515918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13666.515918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13666.515918][ T7704] netlink_rcv_skb+0x130/0x360 [13666.515918][ T7704] netlink_unicast+0x449/0x710 [13666.515918][ T7704] netlink_sendmsg+0x723/0xbe0 [13666.515918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13666.515918][ T7704] ___sys_sendmsg+0xee/0x170 [13666.515918][ T7704] __sys_sendmsg+0xcd/0x170 [13666.515918][ T7704] do_syscall_64+0xc6/0x1e0 [13666.515918][ T7704] [13666.518043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13666.518043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13666.518043][ T7704] ipv6_find_idev+0x102/0x170 [13666.518043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13666.518043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13666.518043][ T7704] netlink_rcv_skb+0x130/0x360 [13666.518043][ T7704] netlink_unicast+0x449/0x710 [13666.518043][ T7704] netlink_sendmsg+0x723/0xbe0 [13666.518043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13666.518043][ T7704] ___sys_sendmsg+0xee/0x170 [13666.518043][ T7704] __sys_sendmsg+0xcd/0x170 [13666.518043][ T7704] do_syscall_64+0xc6/0x1e0 [13666.518043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13666.518043][ T7704] [13666.519703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13666.519703][ T7704] neigh_parms_alloc+0x1e5/0x510 [13666.519703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13666.519703][ T7704] ipv6_find_idev+0x102/0x170 [13666.519703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13666.519703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13666.519703][ T7704] netlink_rcv_skb+0x130/0x360 [13666.519703][ T7704] netlink_unicast+0x449/0x710 [13666.519703][ T7704] netlink_sendmsg+0x723/0xbe0 [13666.519703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13666.519703][ T7704] ___sys_sendmsg+0xee/0x170 [13666.519703][ T7704] __sys_sendmsg+0xcd/0x170 [13666.519703][ T7704] do_syscall_64+0xc6/0x1e0 [13666.519703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13666.519703][ T7704] [13676.631008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13676.632136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13676.632136][ T7704] netdev_get_by_index+0x5e/0x80 [13676.632136][ T7704] fib6_nh_init+0x3d8/0x15b0 [13676.632136][ T7704] ip6_route_info_create+0xf18/0x17d0 [13676.632136][ T7704] ip6_route_add+0x1c/0x140 [13676.632136][ T7704] addrconf_prefix_route+0x2a6/0x430 [13676.632136][ T7704] inet6_addr_add+0x4f8/0xa40 [13676.632136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13676.632136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13676.632136][ T7704] netlink_rcv_skb+0x130/0x360 [13676.632136][ T7704] netlink_unicast+0x449/0x710 [13676.632136][ T7704] netlink_sendmsg+0x723/0xbe0 [13676.632136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13676.632136][ T7704] ___sys_sendmsg+0xee/0x170 [13676.632136][ T7704] __sys_sendmsg+0xcd/0x170 [13676.632136][ T7704] do_syscall_64+0xc6/0x1e0 [13676.632136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13676.632136][ T7704] [13676.634590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13676.634590][ T7704] netdev_get_by_index+0x5e/0x80 [13676.634590][ T7704] fib6_nh_init+0x3d8/0x15b0 [13676.634590][ T7704] ip6_route_info_create+0xf18/0x17d0 [13676.634590][ T7704] addrconf_f6i_alloc+0x315/0x560 [13676.634590][ T7704] ipv6_add_addr+0x411/0x2000 [13676.634590][ T7704] inet6_addr_add+0x30e/0xa40 [13676.634590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13676.634590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13676.634590][ T7704] netlink_rcv_skb+0x130/0x360 [13676.634590][ T7704] netlink_unicast+0x449/0x710 [13676.634590][ T7704] netlink_sendmsg+0x723/0xbe0 [13676.634590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13676.634590][ T7704] ___sys_sendmsg+0xee/0x170 [13676.634590][ T7704] __sys_sendmsg+0xcd/0x170 [13676.634590][ T7704] do_syscall_64+0xc6/0x1e0 [13676.634590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13676.634590][ T7704] [13676.636826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13676.636826][ T7704] netdev_get_by_index+0x5e/0x80 [13676.636826][ T7704] fib6_nh_init+0x3d8/0x15b0 [13676.636826][ T7704] ip6_route_info_create+0xf18/0x17d0 [13676.636826][ T7704] ip6_route_add+0x1c/0x140 [13676.636826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13676.636826][ T7704] addrconf_add_dev+0xe2/0x170 [13676.636826][ T7704] inet6_addr_add+0x12f/0xa40 [13676.636826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13676.636826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13676.636826][ T7704] netlink_rcv_skb+0x130/0x360 [13676.636826][ T7704] netlink_unicast+0x449/0x710 [13676.636826][ T7704] netlink_sendmsg+0x723/0xbe0 [13676.636826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13676.636826][ T7704] ___sys_sendmsg+0xee/0x170 [13676.636826][ T7704] __sys_sendmsg+0xcd/0x170 [13676.636826][ T7704] do_syscall_64+0xc6/0x1e0 [13676.636826][ T7704] [13676.639009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13676.639009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13676.639009][ T7704] ipv6_find_idev+0x102/0x170 [13676.639009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13676.639009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13676.639009][ T7704] netlink_rcv_skb+0x130/0x360 [13676.639009][ T7704] netlink_unicast+0x449/0x710 [13676.639009][ T7704] netlink_sendmsg+0x723/0xbe0 [13676.639009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13676.639009][ T7704] ___sys_sendmsg+0xee/0x170 [13676.639009][ T7704] __sys_sendmsg+0xcd/0x170 [13676.639009][ T7704] do_syscall_64+0xc6/0x1e0 [13676.639009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13676.639009][ T7704] [13676.640695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13676.640695][ T7704] neigh_parms_alloc+0x1e5/0x510 [13676.640695][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13676.640695][ T7704] ipv6_find_idev+0x102/0x170 [13676.640695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13676.640695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13676.640695][ T7704] netlink_rcv_skb+0x130/0x360 [13676.640695][ T7704] netlink_unicast+0x449/0x710 [13676.640695][ T7704] netlink_sendmsg+0x723/0xbe0 [13676.640695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13676.640695][ T7704] ___sys_sendmsg+0xee/0x170 [13676.640695][ T7704] __sys_sendmsg+0xcd/0x170 [13676.640695][ T7704] do_syscall_64+0xc6/0x1e0 [13676.640695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13676.640695][ T7704] [13686.878994][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13686.879507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13686.879507][ T7704] netdev_get_by_index+0x5e/0x80 [13686.879507][ T7704] fib6_nh_init+0x3d8/0x15b0 [13686.879507][ T7704] ip6_route_info_create+0xf18/0x17d0 [13686.879507][ T7704] ip6_route_add+0x1c/0x140 [13686.879507][ T7704] addrconf_prefix_route+0x2a6/0x430 [13686.879507][ T7704] inet6_addr_add+0x4f8/0xa40 [13686.879507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13686.879507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13686.879507][ T7704] netlink_rcv_skb+0x130/0x360 [13686.879507][ T7704] netlink_unicast+0x449/0x710 [13686.879507][ T7704] netlink_sendmsg+0x723/0xbe0 [13686.879507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13686.879507][ T7704] ___sys_sendmsg+0xee/0x170 [13686.879507][ T7704] __sys_sendmsg+0xcd/0x170 [13686.879507][ T7704] do_syscall_64+0xc6/0x1e0 [13686.879507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13686.879507][ T7704] [13686.881743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13686.881743][ T7704] netdev_get_by_index+0x5e/0x80 [13686.881743][ T7704] fib6_nh_init+0x3d8/0x15b0 [13686.881743][ T7704] ip6_route_info_create+0xf18/0x17d0 [13686.881743][ T7704] addrconf_f6i_alloc+0x315/0x560 [13686.881743][ T7704] ipv6_add_addr+0x411/0x2000 [13686.881743][ T7704] inet6_addr_add+0x30e/0xa40 [13686.881743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13686.881743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13686.881743][ T7704] netlink_rcv_skb+0x130/0x360 [13686.881743][ T7704] netlink_unicast+0x449/0x710 [13686.881743][ T7704] netlink_sendmsg+0x723/0xbe0 [13686.881743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13686.881743][ T7704] ___sys_sendmsg+0xee/0x170 [13686.881743][ T7704] __sys_sendmsg+0xcd/0x170 [13686.881743][ T7704] do_syscall_64+0xc6/0x1e0 [13686.881743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13686.881743][ T7704] [13686.883942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13686.883942][ T7704] netdev_get_by_index+0x5e/0x80 [13686.883942][ T7704] fib6_nh_init+0x3d8/0x15b0 [13686.883942][ T7704] ip6_route_info_create+0xf18/0x17d0 [13686.883942][ T7704] ip6_route_add+0x1c/0x140 [13686.883942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13686.883942][ T7704] addrconf_add_dev+0xe2/0x170 [13686.883942][ T7704] inet6_addr_add+0x12f/0xa40 [13686.883942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13686.883942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13686.883942][ T7704] netlink_rcv_skb+0x130/0x360 [13686.883942][ T7704] netlink_unicast+0x449/0x710 [13686.883942][ T7704] netlink_sendmsg+0x723/0xbe0 [13686.883942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13686.883942][ T7704] ___sys_sendmsg+0xee/0x170 [13686.883942][ T7704] __sys_sendmsg+0xcd/0x170 [13686.883942][ T7704] do_syscall_64+0xc6/0x1e0 [13686.883942][ T7704] [13686.886129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13686.886129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13686.886129][ T7704] ipv6_find_idev+0x102/0x170 [13686.886129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13686.886129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13686.886129][ T7704] netlink_rcv_skb+0x130/0x360 [13686.886129][ T7704] netlink_unicast+0x449/0x710 [13686.886129][ T7704] netlink_sendmsg+0x723/0xbe0 [13686.886129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13686.886129][ T7704] ___sys_sendmsg+0xee/0x170 [13686.886129][ T7704] __sys_sendmsg+0xcd/0x170 [13686.886129][ T7704] do_syscall_64+0xc6/0x1e0 [13686.886129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13686.886129][ T7704] [13686.887799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13686.887799][ T7704] neigh_parms_alloc+0x1e5/0x510 [13686.887799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13686.887799][ T7704] ipv6_find_idev+0x102/0x170 [13686.887799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13686.887799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13686.887799][ T7704] netlink_rcv_skb+0x130/0x360 [13686.887799][ T7704] netlink_unicast+0x449/0x710 [13686.887799][ T7704] netlink_sendmsg+0x723/0xbe0 [13686.887799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13686.887799][ T7704] ___sys_sendmsg+0xee/0x170 [13686.887799][ T7704] __sys_sendmsg+0xcd/0x170 [13686.887799][ T7704] do_syscall_64+0xc6/0x1e0 [13686.887799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13686.887799][ T7704] [13697.127010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13697.127550][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13697.127550][ T7704] netdev_get_by_index+0x5e/0x80 [13697.127550][ T7704] fib6_nh_init+0x3d8/0x15b0 [13697.127550][ T7704] ip6_route_info_create+0xf18/0x17d0 [13697.127550][ T7704] ip6_route_add+0x1c/0x140 [13697.127550][ T7704] addrconf_prefix_route+0x2a6/0x430 [13697.127550][ T7704] inet6_addr_add+0x4f8/0xa40 [13697.127550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13697.127550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13697.127550][ T7704] netlink_rcv_skb+0x130/0x360 [13697.127550][ T7704] netlink_unicast+0x449/0x710 [13697.127550][ T7704] netlink_sendmsg+0x723/0xbe0 [13697.127550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13697.127550][ T7704] ___sys_sendmsg+0xee/0x170 [13697.127550][ T7704] __sys_sendmsg+0xcd/0x170 [13697.127550][ T7704] do_syscall_64+0xc6/0x1e0 [13697.127550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13697.127550][ T7704] [13697.129812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13697.129812][ T7704] netdev_get_by_index+0x5e/0x80 [13697.129812][ T7704] fib6_nh_init+0x3d8/0x15b0 [13697.129812][ T7704] ip6_route_info_create+0xf18/0x17d0 [13697.129812][ T7704] addrconf_f6i_alloc+0x315/0x560 [13697.129812][ T7704] ipv6_add_addr+0x411/0x2000 [13697.129812][ T7704] inet6_addr_add+0x30e/0xa40 [13697.129812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13697.129812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13697.129812][ T7704] netlink_rcv_skb+0x130/0x360 [13697.129812][ T7704] netlink_unicast+0x449/0x710 [13697.129812][ T7704] netlink_sendmsg+0x723/0xbe0 [13697.129812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13697.129812][ T7704] ___sys_sendmsg+0xee/0x170 [13697.129812][ T7704] __sys_sendmsg+0xcd/0x170 [13697.129812][ T7704] do_syscall_64+0xc6/0x1e0 [13697.129812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13697.129812][ T7704] [13697.132012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13697.132012][ T7704] netdev_get_by_index+0x5e/0x80 [13697.132012][ T7704] fib6_nh_init+0x3d8/0x15b0 [13697.132012][ T7704] ip6_route_info_create+0xf18/0x17d0 [13697.132012][ T7704] ip6_route_add+0x1c/0x140 [13697.132012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13697.132012][ T7704] addrconf_add_dev+0xe2/0x170 [13697.132012][ T7704] inet6_addr_add+0x12f/0xa40 [13697.132012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13697.132012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13697.132012][ T7704] netlink_rcv_skb+0x130/0x360 [13697.132012][ T7704] netlink_unicast+0x449/0x710 [13697.132012][ T7704] netlink_sendmsg+0x723/0xbe0 [13697.132012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13697.132012][ T7704] ___sys_sendmsg+0xee/0x170 [13697.132012][ T7704] __sys_sendmsg+0xcd/0x170 [13697.132012][ T7704] do_syscall_64+0xc6/0x1e0 [13697.132012][ T7704] [13697.134184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13697.134184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13697.134184][ T7704] ipv6_find_idev+0x102/0x170 [13697.134184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13697.134184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13697.134184][ T7704] netlink_rcv_skb+0x130/0x360 [13697.134184][ T7704] netlink_unicast+0x449/0x710 [13697.134184][ T7704] netlink_sendmsg+0x723/0xbe0 [13697.134184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13697.134184][ T7704] ___sys_sendmsg+0xee/0x170 [13697.134184][ T7704] __sys_sendmsg+0xcd/0x170 [13697.134184][ T7704] do_syscall_64+0xc6/0x1e0 [13697.134184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13697.134184][ T7704] [13697.135878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13697.135878][ T7704] neigh_parms_alloc+0x1e5/0x510 [13697.135878][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13697.135878][ T7704] ipv6_find_idev+0x102/0x170 [13697.135878][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13697.135878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13697.135878][ T7704] netlink_rcv_skb+0x130/0x360 [13697.135878][ T7704] netlink_unicast+0x449/0x710 [13697.135878][ T7704] netlink_sendmsg+0x723/0xbe0 [13697.135878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13697.135878][ T7704] ___sys_sendmsg+0xee/0x170 [13697.135878][ T7704] __sys_sendmsg+0xcd/0x170 [13697.135878][ T7704] do_syscall_64+0xc6/0x1e0 [13697.135878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13697.135878][ T7704] [13707.375003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13707.376189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13707.376189][ T7704] netdev_get_by_index+0x5e/0x80 [13707.376189][ T7704] fib6_nh_init+0x3d8/0x15b0 [13707.376189][ T7704] ip6_route_info_create+0xf18/0x17d0 [13707.376189][ T7704] ip6_route_add+0x1c/0x140 [13707.376189][ T7704] addrconf_prefix_route+0x2a6/0x430 [13707.376189][ T7704] inet6_addr_add+0x4f8/0xa40 [13707.376189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13707.376189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13707.376189][ T7704] netlink_rcv_skb+0x130/0x360 [13707.376189][ T7704] netlink_unicast+0x449/0x710 [13707.376189][ T7704] netlink_sendmsg+0x723/0xbe0 [13707.376189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13707.376189][ T7704] ___sys_sendmsg+0xee/0x170 [13707.376189][ T7704] __sys_sendmsg+0xcd/0x170 [13707.376189][ T7704] do_syscall_64+0xc6/0x1e0 [13707.376189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13707.376189][ T7704] [13707.378486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13707.378486][ T7704] netdev_get_by_index+0x5e/0x80 [13707.378486][ T7704] fib6_nh_init+0x3d8/0x15b0 [13707.378486][ T7704] ip6_route_info_create+0xf18/0x17d0 [13707.378486][ T7704] addrconf_f6i_alloc+0x315/0x560 [13707.378486][ T7704] ipv6_add_addr+0x411/0x2000 [13707.378486][ T7704] inet6_addr_add+0x30e/0xa40 [13707.378486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13707.378486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13707.378486][ T7704] netlink_rcv_skb+0x130/0x360 [13707.378486][ T7704] netlink_unicast+0x449/0x710 [13707.378486][ T7704] netlink_sendmsg+0x723/0xbe0 [13707.378486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13707.378486][ T7704] ___sys_sendmsg+0xee/0x170 [13707.378486][ T7704] __sys_sendmsg+0xcd/0x170 [13707.378486][ T7704] do_syscall_64+0xc6/0x1e0 [13707.378486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13707.378486][ T7704] [13707.380652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13707.380652][ T7704] netdev_get_by_index+0x5e/0x80 [13707.380652][ T7704] fib6_nh_init+0x3d8/0x15b0 [13707.380652][ T7704] ip6_route_info_create+0xf18/0x17d0 [13707.380652][ T7704] ip6_route_add+0x1c/0x140 [13707.380652][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13707.380652][ T7704] addrconf_add_dev+0xe2/0x170 [13707.380652][ T7704] inet6_addr_add+0x12f/0xa40 [13707.380652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13707.380652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13707.380652][ T7704] netlink_rcv_skb+0x130/0x360 [13707.380652][ T7704] netlink_unicast+0x449/0x710 [13707.380652][ T7704] netlink_sendmsg+0x723/0xbe0 [13707.380652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13707.380652][ T7704] ___sys_sendmsg+0xee/0x170 [13707.380652][ T7704] __sys_sendmsg+0xcd/0x170 [13707.380652][ T7704] do_syscall_64+0xc6/0x1e0 [13707.380652][ T7704] [13707.382777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13707.382777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13707.382777][ T7704] ipv6_find_idev+0x102/0x170 [13707.382777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13707.382777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13707.382777][ T7704] netlink_rcv_skb+0x130/0x360 [13707.382777][ T7704] netlink_unicast+0x449/0x710 [13707.382777][ T7704] netlink_sendmsg+0x723/0xbe0 [13707.382777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13707.382777][ T7704] ___sys_sendmsg+0xee/0x170 [13707.382777][ T7704] __sys_sendmsg+0xcd/0x170 [13707.382777][ T7704] do_syscall_64+0xc6/0x1e0 [13707.382777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13707.382777][ T7704] [13707.384444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13707.384444][ T7704] neigh_parms_alloc+0x1e5/0x510 [13707.384444][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13707.384444][ T7704] ipv6_find_idev+0x102/0x170 [13707.384444][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13707.384444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13707.384444][ T7704] netlink_rcv_skb+0x130/0x360 [13707.384444][ T7704] netlink_unicast+0x449/0x710 [13707.384444][ T7704] netlink_sendmsg+0x723/0xbe0 [13707.384444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13707.384444][ T7704] ___sys_sendmsg+0xee/0x170 [13707.384444][ T7704] __sys_sendmsg+0xcd/0x170 [13707.384444][ T7704] do_syscall_64+0xc6/0x1e0 [13707.384444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13707.384444][ T7704] [13717.495011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13717.495634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13717.495634][ T7704] netdev_get_by_index+0x5e/0x80 [13717.495634][ T7704] fib6_nh_init+0x3d8/0x15b0 [13717.495634][ T7704] ip6_route_info_create+0xf18/0x17d0 [13717.495634][ T7704] ip6_route_add+0x1c/0x140 [13717.495634][ T7704] addrconf_prefix_route+0x2a6/0x430 [13717.495634][ T7704] inet6_addr_add+0x4f8/0xa40 [13717.495634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13717.495634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13717.495634][ T7704] netlink_rcv_skb+0x130/0x360 [13717.495634][ T7704] netlink_unicast+0x449/0x710 [13717.495634][ T7704] netlink_sendmsg+0x723/0xbe0 [13717.495634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13717.495634][ T7704] ___sys_sendmsg+0xee/0x170 [13717.495634][ T7704] __sys_sendmsg+0xcd/0x170 [13717.495634][ T7704] do_syscall_64+0xc6/0x1e0 [13717.495634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13717.495634][ T7704] [13717.497847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13717.497847][ T7704] netdev_get_by_index+0x5e/0x80 [13717.497847][ T7704] fib6_nh_init+0x3d8/0x15b0 [13717.497847][ T7704] ip6_route_info_create+0xf18/0x17d0 [13717.497847][ T7704] addrconf_f6i_alloc+0x315/0x560 [13717.497847][ T7704] ipv6_add_addr+0x411/0x2000 [13717.497847][ T7704] inet6_addr_add+0x30e/0xa40 [13717.497847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13717.497847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13717.497847][ T7704] netlink_rcv_skb+0x130/0x360 [13717.497847][ T7704] netlink_unicast+0x449/0x710 [13717.497847][ T7704] netlink_sendmsg+0x723/0xbe0 [13717.497847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13717.497847][ T7704] ___sys_sendmsg+0xee/0x170 [13717.497847][ T7704] __sys_sendmsg+0xcd/0x170 [13717.497847][ T7704] do_syscall_64+0xc6/0x1e0 [13717.497847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13717.497847][ T7704] [13717.500082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13717.500082][ T7704] netdev_get_by_index+0x5e/0x80 [13717.500082][ T7704] fib6_nh_init+0x3d8/0x15b0 [13717.500082][ T7704] ip6_route_info_create+0xf18/0x17d0 [13717.500082][ T7704] ip6_route_add+0x1c/0x140 [13717.500082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13717.500082][ T7704] addrconf_add_dev+0xe2/0x170 [13717.500082][ T7704] inet6_addr_add+0x12f/0xa40 [13717.500082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13717.500082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13717.500082][ T7704] netlink_rcv_skb+0x130/0x360 [13717.500082][ T7704] netlink_unicast+0x449/0x710 [13717.500082][ T7704] netlink_sendmsg+0x723/0xbe0 [13717.500082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13717.500082][ T7704] ___sys_sendmsg+0xee/0x170 [13717.500082][ T7704] __sys_sendmsg+0xcd/0x170 [13717.500082][ T7704] do_syscall_64+0xc6/0x1e0 [13717.500082][ T7704] [13717.502204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13717.502204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13717.502204][ T7704] ipv6_find_idev+0x102/0x170 [13717.502204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13717.502204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13717.502204][ T7704] netlink_rcv_skb+0x130/0x360 [13717.502204][ T7704] netlink_unicast+0x449/0x710 [13717.502204][ T7704] netlink_sendmsg+0x723/0xbe0 [13717.502204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13717.502204][ T7704] ___sys_sendmsg+0xee/0x170 [13717.502204][ T7704] __sys_sendmsg+0xcd/0x170 [13717.502204][ T7704] do_syscall_64+0xc6/0x1e0 [13717.502204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13717.502204][ T7704] [13717.503869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13717.503869][ T7704] neigh_parms_alloc+0x1e5/0x510 [13717.503869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13717.503869][ T7704] ipv6_find_idev+0x102/0x170 [13717.503869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13717.503869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13717.503869][ T7704] netlink_rcv_skb+0x130/0x360 [13717.503869][ T7704] netlink_unicast+0x449/0x710 [13717.503869][ T7704] netlink_sendmsg+0x723/0xbe0 [13717.503869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13717.503869][ T7704] ___sys_sendmsg+0xee/0x170 [13717.503869][ T7704] __sys_sendmsg+0xcd/0x170 [13717.503869][ T7704] do_syscall_64+0xc6/0x1e0 [13717.503869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13717.503869][ T7704] [13727.751010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13727.751586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13727.751586][ T7704] netdev_get_by_index+0x5e/0x80 [13727.751586][ T7704] fib6_nh_init+0x3d8/0x15b0 [13727.751586][ T7704] ip6_route_info_create+0xf18/0x17d0 [13727.751586][ T7704] ip6_route_add+0x1c/0x140 [13727.751586][ T7704] addrconf_prefix_route+0x2a6/0x430 [13727.751586][ T7704] inet6_addr_add+0x4f8/0xa40 [13727.751586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13727.751586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13727.751586][ T7704] netlink_rcv_skb+0x130/0x360 [13727.751586][ T7704] netlink_unicast+0x449/0x710 [13727.751586][ T7704] netlink_sendmsg+0x723/0xbe0 [13727.751586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13727.751586][ T7704] ___sys_sendmsg+0xee/0x170 [13727.751586][ T7704] __sys_sendmsg+0xcd/0x170 [13727.751586][ T7704] do_syscall_64+0xc6/0x1e0 [13727.751586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13727.751586][ T7704] [13727.753805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13727.753805][ T7704] netdev_get_by_index+0x5e/0x80 [13727.753805][ T7704] fib6_nh_init+0x3d8/0x15b0 [13727.753805][ T7704] ip6_route_info_create+0xf18/0x17d0 [13727.753805][ T7704] addrconf_f6i_alloc+0x315/0x560 [13727.753805][ T7704] ipv6_add_addr+0x411/0x2000 [13727.753805][ T7704] inet6_addr_add+0x30e/0xa40 [13727.753805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13727.753805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13727.753805][ T7704] netlink_rcv_skb+0x130/0x360 [13727.753805][ T7704] netlink_unicast+0x449/0x710 [13727.753805][ T7704] netlink_sendmsg+0x723/0xbe0 [13727.753805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13727.753805][ T7704] ___sys_sendmsg+0xee/0x170 [13727.753805][ T7704] __sys_sendmsg+0xcd/0x170 [13727.753805][ T7704] do_syscall_64+0xc6/0x1e0 [13727.753805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13727.753805][ T7704] [13727.756070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13727.756070][ T7704] netdev_get_by_index+0x5e/0x80 [13727.756070][ T7704] fib6_nh_init+0x3d8/0x15b0 [13727.756070][ T7704] ip6_route_info_create+0xf18/0x17d0 [13727.756070][ T7704] ip6_route_add+0x1c/0x140 [13727.756070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13727.756070][ T7704] addrconf_add_dev+0xe2/0x170 [13727.756070][ T7704] inet6_addr_add+0x12f/0xa40 [13727.756070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13727.756070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13727.756070][ T7704] netlink_rcv_skb+0x130/0x360 [13727.756070][ T7704] netlink_unicast+0x449/0x710 [13727.756070][ T7704] netlink_sendmsg+0x723/0xbe0 [13727.756070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13727.756070][ T7704] ___sys_sendmsg+0xee/0x170 [13727.756070][ T7704] __sys_sendmsg+0xcd/0x170 [13727.756070][ T7704] do_syscall_64+0xc6/0x1e0 [13727.756070][ T7704] [13727.758727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13727.758727][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13727.758727][ T7704] ipv6_find_idev+0x102/0x170 [13727.758727][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13727.758727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13727.758727][ T7704] netlink_rcv_skb+0x130/0x360 [13727.758727][ T7704] netlink_unicast+0x449/0x710 [13727.758727][ T7704] netlink_sendmsg+0x723/0xbe0 [13727.758727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13727.758727][ T7704] ___sys_sendmsg+0xee/0x170 [13727.758727][ T7704] __sys_sendmsg+0xcd/0x170 [13727.758727][ T7704] do_syscall_64+0xc6/0x1e0 [13727.758727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13727.758727][ T7704] [13727.760425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13727.760425][ T7704] neigh_parms_alloc+0x1e5/0x510 [13727.760425][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13727.760425][ T7704] ipv6_find_idev+0x102/0x170 [13727.760425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13727.760425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13727.760425][ T7704] netlink_rcv_skb+0x130/0x360 [13727.760425][ T7704] netlink_unicast+0x449/0x710 [13727.760425][ T7704] netlink_sendmsg+0x723/0xbe0 [13727.760425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13727.760425][ T7704] ___sys_sendmsg+0xee/0x170 [13727.760425][ T7704] __sys_sendmsg+0xcd/0x170 [13727.760425][ T7704] do_syscall_64+0xc6/0x1e0 [13727.760425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13727.760425][ T7704] [13738.006990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13738.007549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13738.007549][ T7704] netdev_get_by_index+0x5e/0x80 [13738.007549][ T7704] fib6_nh_init+0x3d8/0x15b0 [13738.007549][ T7704] ip6_route_info_create+0xf18/0x17d0 [13738.007549][ T7704] ip6_route_add+0x1c/0x140 [13738.007549][ T7704] addrconf_prefix_route+0x2a6/0x430 [13738.007549][ T7704] inet6_addr_add+0x4f8/0xa40 [13738.007549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13738.007549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13738.007549][ T7704] netlink_rcv_skb+0x130/0x360 [13738.007549][ T7704] netlink_unicast+0x449/0x710 [13738.007549][ T7704] netlink_sendmsg+0x723/0xbe0 [13738.007549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13738.007549][ T7704] ___sys_sendmsg+0xee/0x170 [13738.007549][ T7704] __sys_sendmsg+0xcd/0x170 [13738.007549][ T7704] do_syscall_64+0xc6/0x1e0 [13738.007549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13738.007549][ T7704] [13738.009763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13738.009763][ T7704] netdev_get_by_index+0x5e/0x80 [13738.009763][ T7704] fib6_nh_init+0x3d8/0x15b0 [13738.009763][ T7704] ip6_route_info_create+0xf18/0x17d0 [13738.009763][ T7704] addrconf_f6i_alloc+0x315/0x560 [13738.009763][ T7704] ipv6_add_addr+0x411/0x2000 [13738.009763][ T7704] inet6_addr_add+0x30e/0xa40 [13738.009763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13738.009763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13738.009763][ T7704] netlink_rcv_skb+0x130/0x360 [13738.009763][ T7704] netlink_unicast+0x449/0x710 [13738.009763][ T7704] netlink_sendmsg+0x723/0xbe0 [13738.009763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13738.009763][ T7704] ___sys_sendmsg+0xee/0x170 [13738.009763][ T7704] __sys_sendmsg+0xcd/0x170 [13738.009763][ T7704] do_syscall_64+0xc6/0x1e0 [13738.009763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13738.009763][ T7704] [13738.011949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13738.011949][ T7704] netdev_get_by_index+0x5e/0x80 [13738.011949][ T7704] fib6_nh_init+0x3d8/0x15b0 [13738.011949][ T7704] ip6_route_info_create+0xf18/0x17d0 [13738.011949][ T7704] ip6_route_add+0x1c/0x140 [13738.011949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13738.011949][ T7704] addrconf_add_dev+0xe2/0x170 [13738.011949][ T7704] inet6_addr_add+0x12f/0xa40 [13738.011949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13738.011949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13738.011949][ T7704] netlink_rcv_skb+0x130/0x360 [13738.011949][ T7704] netlink_unicast+0x449/0x710 [13738.011949][ T7704] netlink_sendmsg+0x723/0xbe0 [13738.011949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13738.011949][ T7704] ___sys_sendmsg+0xee/0x170 [13738.011949][ T7704] __sys_sendmsg+0xcd/0x170 [13738.011949][ T7704] do_syscall_64+0xc6/0x1e0 [13738.011949][ T7704] [13738.014083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13738.014083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13738.014083][ T7704] ipv6_find_idev+0x102/0x170 [13738.014083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13738.014083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13738.014083][ T7704] netlink_rcv_skb+0x130/0x360 [13738.014083][ T7704] netlink_unicast+0x449/0x710 [13738.014083][ T7704] netlink_sendmsg+0x723/0xbe0 [13738.014083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13738.014083][ T7704] ___sys_sendmsg+0xee/0x170 [13738.014083][ T7704] __sys_sendmsg+0xcd/0x170 [13738.014083][ T7704] do_syscall_64+0xc6/0x1e0 [13738.014083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13738.014083][ T7704] [13738.015753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13738.015753][ T7704] neigh_parms_alloc+0x1e5/0x510 [13738.015753][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13738.015753][ T7704] ipv6_find_idev+0x102/0x170 [13738.015753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13738.015753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13738.015753][ T7704] netlink_rcv_skb+0x130/0x360 [13738.015753][ T7704] netlink_unicast+0x449/0x710 [13738.015753][ T7704] netlink_sendmsg+0x723/0xbe0 [13738.015753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13738.015753][ T7704] ___sys_sendmsg+0xee/0x170 [13738.015753][ T7704] __sys_sendmsg+0xcd/0x170 [13738.015753][ T7704] do_syscall_64+0xc6/0x1e0 [13738.015753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13738.015753][ T7704] [13748.111009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13748.111576][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13748.111576][ T7704] netdev_get_by_index+0x5e/0x80 [13748.111576][ T7704] fib6_nh_init+0x3d8/0x15b0 [13748.111576][ T7704] ip6_route_info_create+0xf18/0x17d0 [13748.111576][ T7704] ip6_route_add+0x1c/0x140 [13748.111576][ T7704] addrconf_prefix_route+0x2a6/0x430 [13748.111576][ T7704] inet6_addr_add+0x4f8/0xa40 [13748.111576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13748.111576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13748.111576][ T7704] netlink_rcv_skb+0x130/0x360 [13748.111576][ T7704] netlink_unicast+0x449/0x710 [13748.111576][ T7704] netlink_sendmsg+0x723/0xbe0 [13748.111576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13748.111576][ T7704] ___sys_sendmsg+0xee/0x170 [13748.111576][ T7704] __sys_sendmsg+0xcd/0x170 [13748.111576][ T7704] do_syscall_64+0xc6/0x1e0 [13748.111576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13748.111576][ T7704] [13748.113772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13748.113772][ T7704] netdev_get_by_index+0x5e/0x80 [13748.113772][ T7704] fib6_nh_init+0x3d8/0x15b0 [13748.113772][ T7704] ip6_route_info_create+0xf18/0x17d0 [13748.113772][ T7704] addrconf_f6i_alloc+0x315/0x560 [13748.113772][ T7704] ipv6_add_addr+0x411/0x2000 [13748.113772][ T7704] inet6_addr_add+0x30e/0xa40 [13748.113772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13748.113772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13748.113772][ T7704] netlink_rcv_skb+0x130/0x360 [13748.113772][ T7704] netlink_unicast+0x449/0x710 [13748.113772][ T7704] netlink_sendmsg+0x723/0xbe0 [13748.113772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13748.113772][ T7704] ___sys_sendmsg+0xee/0x170 [13748.113772][ T7704] __sys_sendmsg+0xcd/0x170 [13748.113772][ T7704] do_syscall_64+0xc6/0x1e0 [13748.113772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13748.113772][ T7704] [13748.115946][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13748.115946][ T7704] netdev_get_by_index+0x5e/0x80 [13748.115946][ T7704] fib6_nh_init+0x3d8/0x15b0 [13748.115946][ T7704] ip6_route_info_create+0xf18/0x17d0 [13748.115946][ T7704] ip6_route_add+0x1c/0x140 [13748.115946][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13748.115946][ T7704] addrconf_add_dev+0xe2/0x170 [13748.115946][ T7704] inet6_addr_add+0x12f/0xa40 [13748.115946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13748.115946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13748.115946][ T7704] netlink_rcv_skb+0x130/0x360 [13748.115946][ T7704] netlink_unicast+0x449/0x710 [13748.115946][ T7704] netlink_sendmsg+0x723/0xbe0 [13748.115946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13748.115946][ T7704] ___sys_sendmsg+0xee/0x170 [13748.115946][ T7704] __sys_sendmsg+0xcd/0x170 [13748.115946][ T7704] do_syscall_64+0xc6/0x1e0 [13748.115946][ T7704] [13748.118079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13748.118079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13748.118079][ T7704] ipv6_find_idev+0x102/0x170 [13748.118079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13748.118079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13748.118079][ T7704] netlink_rcv_skb+0x130/0x360 [13748.118079][ T7704] netlink_unicast+0x449/0x710 [13748.118079][ T7704] netlink_sendmsg+0x723/0xbe0 [13748.118079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13748.118079][ T7704] ___sys_sendmsg+0xee/0x170 [13748.118079][ T7704] __sys_sendmsg+0xcd/0x170 [13748.118079][ T7704] do_syscall_64+0xc6/0x1e0 [13748.118079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13748.118079][ T7704] [13748.119741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13748.119741][ T7704] neigh_parms_alloc+0x1e5/0x510 [13748.119741][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13748.119741][ T7704] ipv6_find_idev+0x102/0x170 [13748.119741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13748.119741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13748.119741][ T7704] netlink_rcv_skb+0x130/0x360 [13748.119741][ T7704] netlink_unicast+0x449/0x710 [13748.119741][ T7704] netlink_sendmsg+0x723/0xbe0 [13748.119741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13748.119741][ T7704] ___sys_sendmsg+0xee/0x170 [13748.119741][ T7704] __sys_sendmsg+0xcd/0x170 [13748.119741][ T7704] do_syscall_64+0xc6/0x1e0 [13748.119741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13748.119741][ T7704] [13758.358935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13758.359420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13758.359420][ T7704] netdev_get_by_index+0x5e/0x80 [13758.359420][ T7704] fib6_nh_init+0x3d8/0x15b0 [13758.359420][ T7704] ip6_route_info_create+0xf18/0x17d0 [13758.359420][ T7704] ip6_route_add+0x1c/0x140 [13758.359420][ T7704] addrconf_prefix_route+0x2a6/0x430 [13758.359420][ T7704] inet6_addr_add+0x4f8/0xa40 [13758.359420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13758.359420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13758.359420][ T7704] netlink_rcv_skb+0x130/0x360 [13758.359420][ T7704] netlink_unicast+0x449/0x710 [13758.359420][ T7704] netlink_sendmsg+0x723/0xbe0 [13758.359420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13758.359420][ T7704] ___sys_sendmsg+0xee/0x170 [13758.359420][ T7704] __sys_sendmsg+0xcd/0x170 [13758.359420][ T7704] do_syscall_64+0xc6/0x1e0 [13758.359420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13758.359420][ T7704] [13758.361690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13758.361690][ T7704] netdev_get_by_index+0x5e/0x80 [13758.361690][ T7704] fib6_nh_init+0x3d8/0x15b0 [13758.361690][ T7704] ip6_route_info_create+0xf18/0x17d0 [13758.361690][ T7704] addrconf_f6i_alloc+0x315/0x560 [13758.361690][ T7704] ipv6_add_addr+0x411/0x2000 [13758.361690][ T7704] inet6_addr_add+0x30e/0xa40 [13758.361690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13758.361690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13758.361690][ T7704] netlink_rcv_skb+0x130/0x360 [13758.361690][ T7704] netlink_unicast+0x449/0x710 [13758.361690][ T7704] netlink_sendmsg+0x723/0xbe0 [13758.361690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13758.361690][ T7704] ___sys_sendmsg+0xee/0x170 [13758.361690][ T7704] __sys_sendmsg+0xcd/0x170 [13758.361690][ T7704] do_syscall_64+0xc6/0x1e0 [13758.361690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13758.361690][ T7704] [13758.363933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13758.363933][ T7704] netdev_get_by_index+0x5e/0x80 [13758.363933][ T7704] fib6_nh_init+0x3d8/0x15b0 [13758.363933][ T7704] ip6_route_info_create+0xf18/0x17d0 [13758.363933][ T7704] ip6_route_add+0x1c/0x140 [13758.363933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13758.363933][ T7704] addrconf_add_dev+0xe2/0x170 [13758.363933][ T7704] inet6_addr_add+0x12f/0xa40 [13758.363933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13758.363933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13758.363933][ T7704] netlink_rcv_skb+0x130/0x360 [13758.363933][ T7704] netlink_unicast+0x449/0x710 [13758.363933][ T7704] netlink_sendmsg+0x723/0xbe0 [13758.363933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13758.363933][ T7704] ___sys_sendmsg+0xee/0x170 [13758.363933][ T7704] __sys_sendmsg+0xcd/0x170 [13758.363933][ T7704] do_syscall_64+0xc6/0x1e0 [13758.363933][ T7704] [13758.366132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13758.366132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13758.366132][ T7704] ipv6_find_idev+0x102/0x170 [13758.366132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13758.366132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13758.366132][ T7704] netlink_rcv_skb+0x130/0x360 [13758.366132][ T7704] netlink_unicast+0x449/0x710 [13758.366132][ T7704] netlink_sendmsg+0x723/0xbe0 [13758.366132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13758.366132][ T7704] ___sys_sendmsg+0xee/0x170 [13758.366132][ T7704] __sys_sendmsg+0xcd/0x170 [13758.366132][ T7704] do_syscall_64+0xc6/0x1e0 [13758.366132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13758.366132][ T7704] [13758.367843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13758.367843][ T7704] neigh_parms_alloc+0x1e5/0x510 [13758.367843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13758.367843][ T7704] ipv6_find_idev+0x102/0x170 [13758.367843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13758.367843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13758.367843][ T7704] netlink_rcv_skb+0x130/0x360 [13758.367843][ T7704] netlink_unicast+0x449/0x710 [13758.367843][ T7704] netlink_sendmsg+0x723/0xbe0 [13758.367843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13758.367843][ T7704] ___sys_sendmsg+0xee/0x170 [13758.367843][ T7704] __sys_sendmsg+0xcd/0x170 [13758.367843][ T7704] do_syscall_64+0xc6/0x1e0 [13758.367843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13758.367843][ T7704] [13768.606929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13768.607503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13768.607503][ T7704] netdev_get_by_index+0x5e/0x80 [13768.607503][ T7704] fib6_nh_init+0x3d8/0x15b0 [13768.607503][ T7704] ip6_route_info_create+0xf18/0x17d0 [13768.607503][ T7704] ip6_route_add+0x1c/0x140 [13768.607503][ T7704] addrconf_prefix_route+0x2a6/0x430 [13768.607503][ T7704] inet6_addr_add+0x4f8/0xa40 [13768.607503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13768.607503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13768.607503][ T7704] netlink_rcv_skb+0x130/0x360 [13768.607503][ T7704] netlink_unicast+0x449/0x710 [13768.607503][ T7704] netlink_sendmsg+0x723/0xbe0 [13768.607503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13768.607503][ T7704] ___sys_sendmsg+0xee/0x170 [13768.607503][ T7704] __sys_sendmsg+0xcd/0x170 [13768.607503][ T7704] do_syscall_64+0xc6/0x1e0 [13768.607503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13768.607503][ T7704] [13768.610906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13768.610906][ T7704] netdev_get_by_index+0x5e/0x80 [13768.610906][ T7704] fib6_nh_init+0x3d8/0x15b0 [13768.610906][ T7704] ip6_route_info_create+0xf18/0x17d0 [13768.610906][ T7704] addrconf_f6i_alloc+0x315/0x560 [13768.610906][ T7704] ipv6_add_addr+0x411/0x2000 [13768.610906][ T7704] inet6_addr_add+0x30e/0xa40 [13768.610906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13768.610906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13768.610906][ T7704] netlink_rcv_skb+0x130/0x360 [13768.610906][ T7704] netlink_unicast+0x449/0x710 [13768.610906][ T7704] netlink_sendmsg+0x723/0xbe0 [13768.610906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13768.610906][ T7704] ___sys_sendmsg+0xee/0x170 [13768.610906][ T7704] __sys_sendmsg+0xcd/0x170 [13768.610906][ T7704] do_syscall_64+0xc6/0x1e0 [13768.610906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13768.610906][ T7704] [13768.614236][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13768.614236][ T7704] netdev_get_by_index+0x5e/0x80 [13768.614236][ T7704] fib6_nh_init+0x3d8/0x15b0 [13768.614236][ T7704] ip6_route_info_create+0xf18/0x17d0 [13768.614236][ T7704] ip6_route_add+0x1c/0x140 [13768.614236][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13768.614236][ T7704] addrconf_add_dev+0xe2/0x170 [13768.614236][ T7704] inet6_addr_add+0x12f/0xa40 [13768.614236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13768.614236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13768.614236][ T7704] netlink_rcv_skb+0x130/0x360 [13768.614236][ T7704] netlink_unicast+0x449/0x710 [13768.614236][ T7704] netlink_sendmsg+0x723/0xbe0 [13768.614236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13768.614236][ T7704] ___sys_sendmsg+0xee/0x170 [13768.614236][ T7704] __sys_sendmsg+0xcd/0x170 [13768.614236][ T7704] do_syscall_64+0xc6/0x1e0 [13768.614236][ T7704] [13768.617527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13768.617527][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13768.617527][ T7704] ipv6_find_idev+0x102/0x170 [13768.617527][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13768.617527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13768.617527][ T7704] netlink_rcv_skb+0x130/0x360 [13768.617527][ T7704] netlink_unicast+0x449/0x710 [13768.617527][ T7704] netlink_sendmsg+0x723/0xbe0 [13768.617527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13768.617527][ T7704] ___sys_sendmsg+0xee/0x170 [13768.617527][ T7704] __sys_sendmsg+0xcd/0x170 [13768.617527][ T7704] do_syscall_64+0xc6/0x1e0 [13768.617527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13768.617527][ T7704] [13768.620117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13768.620117][ T7704] neigh_parms_alloc+0x1e5/0x510 [13768.620117][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13768.620117][ T7704] ipv6_find_idev+0x102/0x170 [13768.620117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13768.620117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13768.620117][ T7704] netlink_rcv_skb+0x130/0x360 [13768.620117][ T7704] netlink_unicast+0x449/0x710 [13768.620117][ T7704] netlink_sendmsg+0x723/0xbe0 [13768.620117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13768.620117][ T7704] ___sys_sendmsg+0xee/0x170 [13768.620117][ T7704] __sys_sendmsg+0xcd/0x170 [13768.620117][ T7704] do_syscall_64+0xc6/0x1e0 [13768.620117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13768.620117][ T7704] [13778.807010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13778.807572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13778.807572][ T7704] netdev_get_by_index+0x5e/0x80 [13778.807572][ T7704] fib6_nh_init+0x3d8/0x15b0 [13778.807572][ T7704] ip6_route_info_create+0xf18/0x17d0 [13778.807572][ T7704] ip6_route_add+0x1c/0x140 [13778.807572][ T7704] addrconf_prefix_route+0x2a6/0x430 [13778.807572][ T7704] inet6_addr_add+0x4f8/0xa40 [13778.807572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13778.807572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13778.807572][ T7704] netlink_rcv_skb+0x130/0x360 [13778.807572][ T7704] netlink_unicast+0x449/0x710 [13778.807572][ T7704] netlink_sendmsg+0x723/0xbe0 [13778.807572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13778.807572][ T7704] ___sys_sendmsg+0xee/0x170 [13778.807572][ T7704] __sys_sendmsg+0xcd/0x170 [13778.807572][ T7704] do_syscall_64+0xc6/0x1e0 [13778.807572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13778.807572][ T7704] [13778.809765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13778.809765][ T7704] netdev_get_by_index+0x5e/0x80 [13778.809765][ T7704] fib6_nh_init+0x3d8/0x15b0 [13778.809765][ T7704] ip6_route_info_create+0xf18/0x17d0 [13778.809765][ T7704] addrconf_f6i_alloc+0x315/0x560 [13778.809765][ T7704] ipv6_add_addr+0x411/0x2000 [13778.809765][ T7704] inet6_addr_add+0x30e/0xa40 [13778.809765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13778.809765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13778.809765][ T7704] netlink_rcv_skb+0x130/0x360 [13778.809765][ T7704] netlink_unicast+0x449/0x710 [13778.809765][ T7704] netlink_sendmsg+0x723/0xbe0 [13778.809765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13778.809765][ T7704] ___sys_sendmsg+0xee/0x170 [13778.809765][ T7704] __sys_sendmsg+0xcd/0x170 [13778.809765][ T7704] do_syscall_64+0xc6/0x1e0 [13778.809765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13778.809765][ T7704] [13778.812006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13778.812006][ T7704] netdev_get_by_index+0x5e/0x80 [13778.812006][ T7704] fib6_nh_init+0x3d8/0x15b0 [13778.812006][ T7704] ip6_route_info_create+0xf18/0x17d0 [13778.812006][ T7704] ip6_route_add+0x1c/0x140 [13778.812006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13778.812006][ T7704] addrconf_add_dev+0xe2/0x170 [13778.812006][ T7704] inet6_addr_add+0x12f/0xa40 [13778.812006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13778.812006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13778.812006][ T7704] netlink_rcv_skb+0x130/0x360 [13778.812006][ T7704] netlink_unicast+0x449/0x710 [13778.812006][ T7704] netlink_sendmsg+0x723/0xbe0 [13778.812006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13778.812006][ T7704] ___sys_sendmsg+0xee/0x170 [13778.812006][ T7704] __sys_sendmsg+0xcd/0x170 [13778.812006][ T7704] do_syscall_64+0xc6/0x1e0 [13778.812006][ T7704] [13778.814121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13778.814121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13778.814121][ T7704] ipv6_find_idev+0x102/0x170 [13778.814121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13778.814121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13778.814121][ T7704] netlink_rcv_skb+0x130/0x360 [13778.814121][ T7704] netlink_unicast+0x449/0x710 [13778.814121][ T7704] netlink_sendmsg+0x723/0xbe0 [13778.814121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13778.814121][ T7704] ___sys_sendmsg+0xee/0x170 [13778.814121][ T7704] __sys_sendmsg+0xcd/0x170 [13778.814121][ T7704] do_syscall_64+0xc6/0x1e0 [13778.814121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13778.814121][ T7704] [13778.815824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13778.815824][ T7704] neigh_parms_alloc+0x1e5/0x510 [13778.815824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13778.815824][ T7704] ipv6_find_idev+0x102/0x170 [13778.815824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13778.815824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13778.815824][ T7704] netlink_rcv_skb+0x130/0x360 [13778.815824][ T7704] netlink_unicast+0x449/0x710 [13778.815824][ T7704] netlink_sendmsg+0x723/0xbe0 [13778.815824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13778.815824][ T7704] ___sys_sendmsg+0xee/0x170 [13778.815824][ T7704] __sys_sendmsg+0xcd/0x170 [13778.815824][ T7704] do_syscall_64+0xc6/0x1e0 [13778.815824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13778.815824][ T7704] [13789.055043][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13789.056193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13789.056193][ T7704] netdev_get_by_index+0x5e/0x80 [13789.056193][ T7704] fib6_nh_init+0x3d8/0x15b0 [13789.056193][ T7704] ip6_route_info_create+0xf18/0x17d0 [13789.056193][ T7704] ip6_route_add+0x1c/0x140 [13789.056193][ T7704] addrconf_prefix_route+0x2a6/0x430 [13789.056193][ T7704] inet6_addr_add+0x4f8/0xa40 [13789.056193][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13789.056193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13789.056193][ T7704] netlink_rcv_skb+0x130/0x360 [13789.056193][ T7704] netlink_unicast+0x449/0x710 [13789.056193][ T7704] netlink_sendmsg+0x723/0xbe0 [13789.056193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13789.056193][ T7704] ___sys_sendmsg+0xee/0x170 [13789.056193][ T7704] __sys_sendmsg+0xcd/0x170 [13789.056193][ T7704] do_syscall_64+0xc6/0x1e0 [13789.056193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13789.056193][ T7704] [13789.058383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13789.058383][ T7704] netdev_get_by_index+0x5e/0x80 [13789.058383][ T7704] fib6_nh_init+0x3d8/0x15b0 [13789.058383][ T7704] ip6_route_info_create+0xf18/0x17d0 [13789.058383][ T7704] addrconf_f6i_alloc+0x315/0x560 [13789.058383][ T7704] ipv6_add_addr+0x411/0x2000 [13789.058383][ T7704] inet6_addr_add+0x30e/0xa40 [13789.058383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13789.058383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13789.058383][ T7704] netlink_rcv_skb+0x130/0x360 [13789.058383][ T7704] netlink_unicast+0x449/0x710 [13789.058383][ T7704] netlink_sendmsg+0x723/0xbe0 [13789.058383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13789.058383][ T7704] ___sys_sendmsg+0xee/0x170 [13789.058383][ T7704] __sys_sendmsg+0xcd/0x170 [13789.058383][ T7704] do_syscall_64+0xc6/0x1e0 [13789.058383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13789.058383][ T7704] [13789.060587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13789.060587][ T7704] netdev_get_by_index+0x5e/0x80 [13789.060587][ T7704] fib6_nh_init+0x3d8/0x15b0 [13789.060587][ T7704] ip6_route_info_create+0xf18/0x17d0 [13789.060587][ T7704] ip6_route_add+0x1c/0x140 [13789.060587][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13789.060587][ T7704] addrconf_add_dev+0xe2/0x170 [13789.060587][ T7704] inet6_addr_add+0x12f/0xa40 [13789.060587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13789.060587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13789.060587][ T7704] netlink_rcv_skb+0x130/0x360 [13789.060587][ T7704] netlink_unicast+0x449/0x710 [13789.060587][ T7704] netlink_sendmsg+0x723/0xbe0 [13789.060587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13789.060587][ T7704] ___sys_sendmsg+0xee/0x170 [13789.060587][ T7704] __sys_sendmsg+0xcd/0x170 [13789.060587][ T7704] do_syscall_64+0xc6/0x1e0 [13789.060587][ T7704] [13789.062713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13789.062713][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13789.062713][ T7704] ipv6_find_idev+0x102/0x170 [13789.062713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13789.062713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13789.062713][ T7704] netlink_rcv_skb+0x130/0x360 [13789.062713][ T7704] netlink_unicast+0x449/0x710 [13789.062713][ T7704] netlink_sendmsg+0x723/0xbe0 [13789.062713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13789.062713][ T7704] ___sys_sendmsg+0xee/0x170 [13789.062713][ T7704] __sys_sendmsg+0xcd/0x170 [13789.062713][ T7704] do_syscall_64+0xc6/0x1e0 [13789.062713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13789.062713][ T7704] [13789.064418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13789.064418][ T7704] neigh_parms_alloc+0x1e5/0x510 [13789.064418][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13789.064418][ T7704] ipv6_find_idev+0x102/0x170 [13789.064418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13789.064418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13789.064418][ T7704] netlink_rcv_skb+0x130/0x360 [13789.064418][ T7704] netlink_unicast+0x449/0x710 [13789.064418][ T7704] netlink_sendmsg+0x723/0xbe0 [13789.064418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13789.064418][ T7704] ___sys_sendmsg+0xee/0x170 [13789.064418][ T7704] __sys_sendmsg+0xcd/0x170 [13789.064418][ T7704] do_syscall_64+0xc6/0x1e0 [13789.064418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13789.064418][ T7704] [13799.303002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13799.303643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13799.303643][ T7704] netdev_get_by_index+0x5e/0x80 [13799.303643][ T7704] fib6_nh_init+0x3d8/0x15b0 [13799.303643][ T7704] ip6_route_info_create+0xf18/0x17d0 [13799.303643][ T7704] ip6_route_add+0x1c/0x140 [13799.303643][ T7704] addrconf_prefix_route+0x2a6/0x430 [13799.303643][ T7704] inet6_addr_add+0x4f8/0xa40 [13799.303643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13799.303643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13799.303643][ T7704] netlink_rcv_skb+0x130/0x360 [13799.303643][ T7704] netlink_unicast+0x449/0x710 [13799.303643][ T7704] netlink_sendmsg+0x723/0xbe0 [13799.303643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13799.303643][ T7704] ___sys_sendmsg+0xee/0x170 [13799.303643][ T7704] __sys_sendmsg+0xcd/0x170 [13799.303643][ T7704] do_syscall_64+0xc6/0x1e0 [13799.303643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13799.303643][ T7704] [13799.305840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13799.305840][ T7704] netdev_get_by_index+0x5e/0x80 [13799.305840][ T7704] fib6_nh_init+0x3d8/0x15b0 [13799.305840][ T7704] ip6_route_info_create+0xf18/0x17d0 [13799.305840][ T7704] addrconf_f6i_alloc+0x315/0x560 [13799.305840][ T7704] ipv6_add_addr+0x411/0x2000 [13799.305840][ T7704] inet6_addr_add+0x30e/0xa40 [13799.305840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13799.305840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13799.305840][ T7704] netlink_rcv_skb+0x130/0x360 [13799.305840][ T7704] netlink_unicast+0x449/0x710 [13799.305840][ T7704] netlink_sendmsg+0x723/0xbe0 [13799.305840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13799.305840][ T7704] ___sys_sendmsg+0xee/0x170 [13799.305840][ T7704] __sys_sendmsg+0xcd/0x170 [13799.305840][ T7704] do_syscall_64+0xc6/0x1e0 [13799.305840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13799.305840][ T7704] [13799.308001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13799.308001][ T7704] netdev_get_by_index+0x5e/0x80 [13799.308001][ T7704] fib6_nh_init+0x3d8/0x15b0 [13799.308001][ T7704] ip6_route_info_create+0xf18/0x17d0 [13799.308001][ T7704] ip6_route_add+0x1c/0x140 [13799.308001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13799.308001][ T7704] addrconf_add_dev+0xe2/0x170 [13799.308001][ T7704] inet6_addr_add+0x12f/0xa40 [13799.308001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13799.308001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13799.308001][ T7704] netlink_rcv_skb+0x130/0x360 [13799.308001][ T7704] netlink_unicast+0x449/0x710 [13799.308001][ T7704] netlink_sendmsg+0x723/0xbe0 [13799.308001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13799.308001][ T7704] ___sys_sendmsg+0xee/0x170 [13799.308001][ T7704] __sys_sendmsg+0xcd/0x170 [13799.308001][ T7704] do_syscall_64+0xc6/0x1e0 [13799.308001][ T7704] [13799.310125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13799.310125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13799.310125][ T7704] ipv6_find_idev+0x102/0x170 [13799.310125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13799.310125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13799.310125][ T7704] netlink_rcv_skb+0x130/0x360 [13799.310125][ T7704] netlink_unicast+0x449/0x710 [13799.310125][ T7704] netlink_sendmsg+0x723/0xbe0 [13799.310125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13799.310125][ T7704] ___sys_sendmsg+0xee/0x170 [13799.310125][ T7704] __sys_sendmsg+0xcd/0x170 [13799.310125][ T7704] do_syscall_64+0xc6/0x1e0 [13799.310125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13799.310125][ T7704] [13799.311789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13799.311789][ T7704] neigh_parms_alloc+0x1e5/0x510 [13799.311789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13799.311789][ T7704] ipv6_find_idev+0x102/0x170 [13799.311789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13799.311789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13799.311789][ T7704] netlink_rcv_skb+0x130/0x360 [13799.311789][ T7704] netlink_unicast+0x449/0x710 [13799.311789][ T7704] netlink_sendmsg+0x723/0xbe0 [13799.311789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13799.311789][ T7704] ___sys_sendmsg+0xee/0x170 [13799.311789][ T7704] __sys_sendmsg+0xcd/0x170 [13799.311789][ T7704] do_syscall_64+0xc6/0x1e0 [13799.311789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13799.311789][ T7704] [13809.551007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13809.552155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13809.552155][ T7704] netdev_get_by_index+0x5e/0x80 [13809.552155][ T7704] fib6_nh_init+0x3d8/0x15b0 [13809.552155][ T7704] ip6_route_info_create+0xf18/0x17d0 [13809.552155][ T7704] ip6_route_add+0x1c/0x140 [13809.552155][ T7704] addrconf_prefix_route+0x2a6/0x430 [13809.552155][ T7704] inet6_addr_add+0x4f8/0xa40 [13809.552155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13809.552155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13809.552155][ T7704] netlink_rcv_skb+0x130/0x360 [13809.552155][ T7704] netlink_unicast+0x449/0x710 [13809.552155][ T7704] netlink_sendmsg+0x723/0xbe0 [13809.552155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13809.552155][ T7704] ___sys_sendmsg+0xee/0x170 [13809.552155][ T7704] __sys_sendmsg+0xcd/0x170 [13809.552155][ T7704] do_syscall_64+0xc6/0x1e0 [13809.552155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13809.552155][ T7704] [13809.554506][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13809.554506][ T7704] netdev_get_by_index+0x5e/0x80 [13809.554506][ T7704] fib6_nh_init+0x3d8/0x15b0 [13809.554506][ T7704] ip6_route_info_create+0xf18/0x17d0 [13809.554506][ T7704] addrconf_f6i_alloc+0x315/0x560 [13809.554506][ T7704] ipv6_add_addr+0x411/0x2000 [13809.554506][ T7704] inet6_addr_add+0x30e/0xa40 [13809.554506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13809.554506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13809.554506][ T7704] netlink_rcv_skb+0x130/0x360 [13809.554506][ T7704] netlink_unicast+0x449/0x710 [13809.554506][ T7704] netlink_sendmsg+0x723/0xbe0 [13809.554506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13809.554506][ T7704] ___sys_sendmsg+0xee/0x170 [13809.554506][ T7704] __sys_sendmsg+0xcd/0x170 [13809.554506][ T7704] do_syscall_64+0xc6/0x1e0 [13809.554506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13809.554506][ T7704] [13809.556729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13809.556729][ T7704] netdev_get_by_index+0x5e/0x80 [13809.556729][ T7704] fib6_nh_init+0x3d8/0x15b0 [13809.556729][ T7704] ip6_route_info_create+0xf18/0x17d0 [13809.556729][ T7704] ip6_route_add+0x1c/0x140 [13809.556729][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13809.556729][ T7704] addrconf_add_dev+0xe2/0x170 [13809.556729][ T7704] inet6_addr_add+0x12f/0xa40 [13809.556729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13809.556729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13809.556729][ T7704] netlink_rcv_skb+0x130/0x360 [13809.556729][ T7704] netlink_unicast+0x449/0x710 [13809.556729][ T7704] netlink_sendmsg+0x723/0xbe0 [13809.556729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13809.556729][ T7704] ___sys_sendmsg+0xee/0x170 [13809.556729][ T7704] __sys_sendmsg+0xcd/0x170 [13809.556729][ T7704] do_syscall_64+0xc6/0x1e0 [13809.556729][ T7704] [13809.558855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13809.558855][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13809.558855][ T7704] ipv6_find_idev+0x102/0x170 [13809.558855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13809.558855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13809.558855][ T7704] netlink_rcv_skb+0x130/0x360 [13809.558855][ T7704] netlink_unicast+0x449/0x710 [13809.558855][ T7704] netlink_sendmsg+0x723/0xbe0 [13809.558855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13809.558855][ T7704] ___sys_sendmsg+0xee/0x170 [13809.558855][ T7704] __sys_sendmsg+0xcd/0x170 [13809.558855][ T7704] do_syscall_64+0xc6/0x1e0 [13809.558855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13809.558855][ T7704] [13809.560560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13809.560560][ T7704] neigh_parms_alloc+0x1e5/0x510 [13809.560560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13809.560560][ T7704] ipv6_find_idev+0x102/0x170 [13809.560560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13809.560560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13809.560560][ T7704] netlink_rcv_skb+0x130/0x360 [13809.560560][ T7704] netlink_unicast+0x449/0x710 [13809.560560][ T7704] netlink_sendmsg+0x723/0xbe0 [13809.560560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13809.560560][ T7704] ___sys_sendmsg+0xee/0x170 [13809.560560][ T7704] __sys_sendmsg+0xcd/0x170 [13809.560560][ T7704] do_syscall_64+0xc6/0x1e0 [13809.560560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13809.560560][ T7704] [13819.654937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13819.655460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13819.655460][ T7704] netdev_get_by_index+0x5e/0x80 [13819.655460][ T7704] fib6_nh_init+0x3d8/0x15b0 [13819.655460][ T7704] ip6_route_info_create+0xf18/0x17d0 [13819.655460][ T7704] ip6_route_add+0x1c/0x140 [13819.655460][ T7704] addrconf_prefix_route+0x2a6/0x430 [13819.655460][ T7704] inet6_addr_add+0x4f8/0xa40 [13819.655460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13819.655460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13819.655460][ T7704] netlink_rcv_skb+0x130/0x360 [13819.655460][ T7704] netlink_unicast+0x449/0x710 [13819.655460][ T7704] netlink_sendmsg+0x723/0xbe0 [13819.655460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13819.655460][ T7704] ___sys_sendmsg+0xee/0x170 [13819.655460][ T7704] __sys_sendmsg+0xcd/0x170 [13819.655460][ T7704] do_syscall_64+0xc6/0x1e0 [13819.655460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13819.655460][ T7704] [13819.657651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13819.657651][ T7704] netdev_get_by_index+0x5e/0x80 [13819.657651][ T7704] fib6_nh_init+0x3d8/0x15b0 [13819.657651][ T7704] ip6_route_info_create+0xf18/0x17d0 [13819.657651][ T7704] addrconf_f6i_alloc+0x315/0x560 [13819.657651][ T7704] ipv6_add_addr+0x411/0x2000 [13819.657651][ T7704] inet6_addr_add+0x30e/0xa40 [13819.657651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13819.657651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13819.657651][ T7704] netlink_rcv_skb+0x130/0x360 [13819.657651][ T7704] netlink_unicast+0x449/0x710 [13819.657651][ T7704] netlink_sendmsg+0x723/0xbe0 [13819.657651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13819.657651][ T7704] ___sys_sendmsg+0xee/0x170 [13819.657651][ T7704] __sys_sendmsg+0xcd/0x170 [13819.657651][ T7704] do_syscall_64+0xc6/0x1e0 [13819.657651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13819.657651][ T7704] [13819.659859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13819.659859][ T7704] netdev_get_by_index+0x5e/0x80 [13819.659859][ T7704] fib6_nh_init+0x3d8/0x15b0 [13819.659859][ T7704] ip6_route_info_create+0xf18/0x17d0 [13819.659859][ T7704] ip6_route_add+0x1c/0x140 [13819.659859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13819.659859][ T7704] addrconf_add_dev+0xe2/0x170 [13819.659859][ T7704] inet6_addr_add+0x12f/0xa40 [13819.659859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13819.659859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13819.659859][ T7704] netlink_rcv_skb+0x130/0x360 [13819.659859][ T7704] netlink_unicast+0x449/0x710 [13819.659859][ T7704] netlink_sendmsg+0x723/0xbe0 [13819.659859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13819.659859][ T7704] ___sys_sendmsg+0xee/0x170 [13819.659859][ T7704] __sys_sendmsg+0xcd/0x170 [13819.659859][ T7704] do_syscall_64+0xc6/0x1e0 [13819.659859][ T7704] [13819.661987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13819.661987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13819.661987][ T7704] ipv6_find_idev+0x102/0x170 [13819.661987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13819.661987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13819.661987][ T7704] netlink_rcv_skb+0x130/0x360 [13819.661987][ T7704] netlink_unicast+0x449/0x710 [13819.661987][ T7704] netlink_sendmsg+0x723/0xbe0 [13819.661987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13819.661987][ T7704] ___sys_sendmsg+0xee/0x170 [13819.661987][ T7704] __sys_sendmsg+0xcd/0x170 [13819.661987][ T7704] do_syscall_64+0xc6/0x1e0 [13819.661987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13819.661987][ T7704] [13819.663654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13819.663654][ T7704] neigh_parms_alloc+0x1e5/0x510 [13819.663654][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13819.663654][ T7704] ipv6_find_idev+0x102/0x170 [13819.663654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13819.663654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13819.663654][ T7704] netlink_rcv_skb+0x130/0x360 [13819.663654][ T7704] netlink_unicast+0x449/0x710 [13819.663654][ T7704] netlink_sendmsg+0x723/0xbe0 [13819.663654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13819.663654][ T7704] ___sys_sendmsg+0xee/0x170 [13819.663654][ T7704] __sys_sendmsg+0xcd/0x170 [13819.663654][ T7704] do_syscall_64+0xc6/0x1e0 [13819.663654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13819.663654][ T7704] [13829.902992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13829.903568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13829.903568][ T7704] netdev_get_by_index+0x5e/0x80 [13829.903568][ T7704] fib6_nh_init+0x3d8/0x15b0 [13829.903568][ T7704] ip6_route_info_create+0xf18/0x17d0 [13829.903568][ T7704] ip6_route_add+0x1c/0x140 [13829.903568][ T7704] addrconf_prefix_route+0x2a6/0x430 [13829.903568][ T7704] inet6_addr_add+0x4f8/0xa40 [13829.903568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13829.903568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13829.903568][ T7704] netlink_rcv_skb+0x130/0x360 [13829.903568][ T7704] netlink_unicast+0x449/0x710 [13829.903568][ T7704] netlink_sendmsg+0x723/0xbe0 [13829.903568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13829.903568][ T7704] ___sys_sendmsg+0xee/0x170 [13829.903568][ T7704] __sys_sendmsg+0xcd/0x170 [13829.903568][ T7704] do_syscall_64+0xc6/0x1e0 [13829.903568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13829.903568][ T7704] [13829.905812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13829.905812][ T7704] netdev_get_by_index+0x5e/0x80 [13829.905812][ T7704] fib6_nh_init+0x3d8/0x15b0 [13829.905812][ T7704] ip6_route_info_create+0xf18/0x17d0 [13829.905812][ T7704] addrconf_f6i_alloc+0x315/0x560 [13829.905812][ T7704] ipv6_add_addr+0x411/0x2000 [13829.905812][ T7704] inet6_addr_add+0x30e/0xa40 [13829.905812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13829.905812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13829.905812][ T7704] netlink_rcv_skb+0x130/0x360 [13829.905812][ T7704] netlink_unicast+0x449/0x710 [13829.905812][ T7704] netlink_sendmsg+0x723/0xbe0 [13829.905812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13829.905812][ T7704] ___sys_sendmsg+0xee/0x170 [13829.905812][ T7704] __sys_sendmsg+0xcd/0x170 [13829.905812][ T7704] do_syscall_64+0xc6/0x1e0 [13829.905812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13829.905812][ T7704] [13829.908043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13829.908043][ T7704] netdev_get_by_index+0x5e/0x80 [13829.908043][ T7704] fib6_nh_init+0x3d8/0x15b0 [13829.908043][ T7704] ip6_route_info_create+0xf18/0x17d0 [13829.908043][ T7704] ip6_route_add+0x1c/0x140 [13829.908043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13829.908043][ T7704] addrconf_add_dev+0xe2/0x170 [13829.908043][ T7704] inet6_addr_add+0x12f/0xa40 [13829.908043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13829.908043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13829.908043][ T7704] netlink_rcv_skb+0x130/0x360 [13829.908043][ T7704] netlink_unicast+0x449/0x710 [13829.908043][ T7704] netlink_sendmsg+0x723/0xbe0 [13829.908043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13829.908043][ T7704] ___sys_sendmsg+0xee/0x170 [13829.908043][ T7704] __sys_sendmsg+0xcd/0x170 [13829.908043][ T7704] do_syscall_64+0xc6/0x1e0 [13829.908043][ T7704] [13829.910225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13829.910225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13829.910225][ T7704] ipv6_find_idev+0x102/0x170 [13829.910225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13829.910225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13829.910225][ T7704] netlink_rcv_skb+0x130/0x360 [13829.910225][ T7704] netlink_unicast+0x449/0x710 [13829.910225][ T7704] netlink_sendmsg+0x723/0xbe0 [13829.910225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13829.910225][ T7704] ___sys_sendmsg+0xee/0x170 [13829.910225][ T7704] __sys_sendmsg+0xcd/0x170 [13829.910225][ T7704] do_syscall_64+0xc6/0x1e0 [13829.910225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13829.910225][ T7704] [13829.911922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13829.911922][ T7704] neigh_parms_alloc+0x1e5/0x510 [13829.911922][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13829.911922][ T7704] ipv6_find_idev+0x102/0x170 [13829.911922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13829.911922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13829.911922][ T7704] netlink_rcv_skb+0x130/0x360 [13829.911922][ T7704] netlink_unicast+0x449/0x710 [13829.911922][ T7704] netlink_sendmsg+0x723/0xbe0 [13829.911922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13829.911922][ T7704] ___sys_sendmsg+0xee/0x170 [13829.911922][ T7704] __sys_sendmsg+0xcd/0x170 [13829.911922][ T7704] do_syscall_64+0xc6/0x1e0 [13829.911922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13829.911922][ T7704] [13840.151002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13840.151597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13840.151597][ T7704] netdev_get_by_index+0x5e/0x80 [13840.151597][ T7704] fib6_nh_init+0x3d8/0x15b0 [13840.151597][ T7704] ip6_route_info_create+0xf18/0x17d0 [13840.151597][ T7704] ip6_route_add+0x1c/0x140 [13840.151597][ T7704] addrconf_prefix_route+0x2a6/0x430 [13840.151597][ T7704] inet6_addr_add+0x4f8/0xa40 [13840.151597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13840.151597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13840.151597][ T7704] netlink_rcv_skb+0x130/0x360 [13840.151597][ T7704] netlink_unicast+0x449/0x710 [13840.151597][ T7704] netlink_sendmsg+0x723/0xbe0 [13840.151597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13840.151597][ T7704] ___sys_sendmsg+0xee/0x170 [13840.151597][ T7704] __sys_sendmsg+0xcd/0x170 [13840.151597][ T7704] do_syscall_64+0xc6/0x1e0 [13840.151597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13840.151597][ T7704] [13840.153840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13840.153840][ T7704] netdev_get_by_index+0x5e/0x80 [13840.153840][ T7704] fib6_nh_init+0x3d8/0x15b0 [13840.153840][ T7704] ip6_route_info_create+0xf18/0x17d0 [13840.153840][ T7704] addrconf_f6i_alloc+0x315/0x560 [13840.153840][ T7704] ipv6_add_addr+0x411/0x2000 [13840.153840][ T7704] inet6_addr_add+0x30e/0xa40 [13840.153840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13840.153840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13840.153840][ T7704] netlink_rcv_skb+0x130/0x360 [13840.153840][ T7704] netlink_unicast+0x449/0x710 [13840.153840][ T7704] netlink_sendmsg+0x723/0xbe0 [13840.153840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13840.153840][ T7704] ___sys_sendmsg+0xee/0x170 [13840.153840][ T7704] __sys_sendmsg+0xcd/0x170 [13840.153840][ T7704] do_syscall_64+0xc6/0x1e0 [13840.153840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13840.153840][ T7704] [13840.156091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13840.156091][ T7704] netdev_get_by_index+0x5e/0x80 [13840.156091][ T7704] fib6_nh_init+0x3d8/0x15b0 [13840.156091][ T7704] ip6_route_info_create+0xf18/0x17d0 [13840.156091][ T7704] ip6_route_add+0x1c/0x140 [13840.156091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13840.156091][ T7704] addrconf_add_dev+0xe2/0x170 [13840.156091][ T7704] inet6_addr_add+0x12f/0xa40 [13840.156091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13840.156091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13840.156091][ T7704] netlink_rcv_skb+0x130/0x360 [13840.156091][ T7704] netlink_unicast+0x449/0x710 [13840.156091][ T7704] netlink_sendmsg+0x723/0xbe0 [13840.156091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13840.156091][ T7704] ___sys_sendmsg+0xee/0x170 [13840.156091][ T7704] __sys_sendmsg+0xcd/0x170 [13840.156091][ T7704] do_syscall_64+0xc6/0x1e0 [13840.156091][ T7704] [13840.158292][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13840.158292][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13840.158292][ T7704] ipv6_find_idev+0x102/0x170 [13840.158292][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13840.158292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13840.158292][ T7704] netlink_rcv_skb+0x130/0x360 [13840.158292][ T7704] netlink_unicast+0x449/0x710 [13840.158292][ T7704] netlink_sendmsg+0x723/0xbe0 [13840.158292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13840.158292][ T7704] ___sys_sendmsg+0xee/0x170 [13840.158292][ T7704] __sys_sendmsg+0xcd/0x170 [13840.158292][ T7704] do_syscall_64+0xc6/0x1e0 [13840.158292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13840.158292][ T7704] [13840.160020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13840.160020][ T7704] neigh_parms_alloc+0x1e5/0x510 [13840.160020][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13840.160020][ T7704] ipv6_find_idev+0x102/0x170 [13840.160020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13840.160020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13840.160020][ T7704] netlink_rcv_skb+0x130/0x360 [13840.160020][ T7704] netlink_unicast+0x449/0x710 [13840.160020][ T7704] netlink_sendmsg+0x723/0xbe0 [13840.160020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13840.160020][ T7704] ___sys_sendmsg+0xee/0x170 [13840.160020][ T7704] __sys_sendmsg+0xcd/0x170 [13840.160020][ T7704] do_syscall_64+0xc6/0x1e0 [13840.160020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13840.160020][ T7704] [13850.383090][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13850.383652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13850.383652][ T7704] netdev_get_by_index+0x5e/0x80 [13850.383652][ T7704] fib6_nh_init+0x3d8/0x15b0 [13850.383652][ T7704] ip6_route_info_create+0xf18/0x17d0 [13850.383652][ T7704] ip6_route_add+0x1c/0x140 [13850.383652][ T7704] addrconf_prefix_route+0x2a6/0x430 [13850.383652][ T7704] inet6_addr_add+0x4f8/0xa40 [13850.383652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13850.383652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13850.383652][ T7704] netlink_rcv_skb+0x130/0x360 [13850.383652][ T7704] netlink_unicast+0x449/0x710 [13850.383652][ T7704] netlink_sendmsg+0x723/0xbe0 [13850.383652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13850.383652][ T7704] ___sys_sendmsg+0xee/0x170 [13850.383652][ T7704] __sys_sendmsg+0xcd/0x170 [13850.383652][ T7704] do_syscall_64+0xc6/0x1e0 [13850.383652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13850.383652][ T7704] [13850.385855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13850.385855][ T7704] netdev_get_by_index+0x5e/0x80 [13850.385855][ T7704] fib6_nh_init+0x3d8/0x15b0 [13850.385855][ T7704] ip6_route_info_create+0xf18/0x17d0 [13850.385855][ T7704] addrconf_f6i_alloc+0x315/0x560 [13850.385855][ T7704] ipv6_add_addr+0x411/0x2000 [13850.385855][ T7704] inet6_addr_add+0x30e/0xa40 [13850.385855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13850.385855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13850.385855][ T7704] netlink_rcv_skb+0x130/0x360 [13850.385855][ T7704] netlink_unicast+0x449/0x710 [13850.385855][ T7704] netlink_sendmsg+0x723/0xbe0 [13850.385855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13850.385855][ T7704] ___sys_sendmsg+0xee/0x170 [13850.385855][ T7704] __sys_sendmsg+0xcd/0x170 [13850.385855][ T7704] do_syscall_64+0xc6/0x1e0 [13850.385855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13850.385855][ T7704] [13850.388055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13850.388055][ T7704] netdev_get_by_index+0x5e/0x80 [13850.388055][ T7704] fib6_nh_init+0x3d8/0x15b0 [13850.388055][ T7704] ip6_route_info_create+0xf18/0x17d0 [13850.388055][ T7704] ip6_route_add+0x1c/0x140 [13850.388055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13850.388055][ T7704] addrconf_add_dev+0xe2/0x170 [13850.388055][ T7704] inet6_addr_add+0x12f/0xa40 [13850.388055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13850.388055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13850.388055][ T7704] netlink_rcv_skb+0x130/0x360 [13850.388055][ T7704] netlink_unicast+0x449/0x710 [13850.388055][ T7704] netlink_sendmsg+0x723/0xbe0 [13850.388055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13850.388055][ T7704] ___sys_sendmsg+0xee/0x170 [13850.388055][ T7704] __sys_sendmsg+0xcd/0x170 [13850.388055][ T7704] do_syscall_64+0xc6/0x1e0 [13850.388055][ T7704] [13850.390187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13850.390187][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13850.390187][ T7704] ipv6_find_idev+0x102/0x170 [13850.390187][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13850.390187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13850.390187][ T7704] netlink_rcv_skb+0x130/0x360 [13850.390187][ T7704] netlink_unicast+0x449/0x710 [13850.390187][ T7704] netlink_sendmsg+0x723/0xbe0 [13850.390187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13850.390187][ T7704] ___sys_sendmsg+0xee/0x170 [13850.390187][ T7704] __sys_sendmsg+0xcd/0x170 [13850.390187][ T7704] do_syscall_64+0xc6/0x1e0 [13850.390187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13850.390187][ T7704] [13850.391874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13850.391874][ T7704] neigh_parms_alloc+0x1e5/0x510 [13850.391874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13850.391874][ T7704] ipv6_find_idev+0x102/0x170 [13850.391874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13850.391874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13850.391874][ T7704] netlink_rcv_skb+0x130/0x360 [13850.391874][ T7704] netlink_unicast+0x449/0x710 [13850.391874][ T7704] netlink_sendmsg+0x723/0xbe0 [13850.391874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13850.391874][ T7704] ___sys_sendmsg+0xee/0x170 [13850.391874][ T7704] __sys_sendmsg+0xcd/0x170 [13850.391874][ T7704] do_syscall_64+0xc6/0x1e0 [13850.391874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13850.391874][ T7704] [13860.638993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13860.639623][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13860.639623][ T7704] netdev_get_by_index+0x5e/0x80 [13860.639623][ T7704] fib6_nh_init+0x3d8/0x15b0 [13860.639623][ T7704] ip6_route_info_create+0xf18/0x17d0 [13860.639623][ T7704] ip6_route_add+0x1c/0x140 [13860.639623][ T7704] addrconf_prefix_route+0x2a6/0x430 [13860.639623][ T7704] inet6_addr_add+0x4f8/0xa40 [13860.639623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13860.639623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13860.639623][ T7704] netlink_rcv_skb+0x130/0x360 [13860.639623][ T7704] netlink_unicast+0x449/0x710 [13860.639623][ T7704] netlink_sendmsg+0x723/0xbe0 [13860.639623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13860.639623][ T7704] ___sys_sendmsg+0xee/0x170 [13860.639623][ T7704] __sys_sendmsg+0xcd/0x170 [13860.639623][ T7704] do_syscall_64+0xc6/0x1e0 [13860.639623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13860.639623][ T7704] [13860.641812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13860.641812][ T7704] netdev_get_by_index+0x5e/0x80 [13860.641812][ T7704] fib6_nh_init+0x3d8/0x15b0 [13860.641812][ T7704] ip6_route_info_create+0xf18/0x17d0 [13860.641812][ T7704] addrconf_f6i_alloc+0x315/0x560 [13860.641812][ T7704] ipv6_add_addr+0x411/0x2000 [13860.641812][ T7704] inet6_addr_add+0x30e/0xa40 [13860.641812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13860.641812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13860.641812][ T7704] netlink_rcv_skb+0x130/0x360 [13860.641812][ T7704] netlink_unicast+0x449/0x710 [13860.641812][ T7704] netlink_sendmsg+0x723/0xbe0 [13860.641812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13860.641812][ T7704] ___sys_sendmsg+0xee/0x170 [13860.641812][ T7704] __sys_sendmsg+0xcd/0x170 [13860.641812][ T7704] do_syscall_64+0xc6/0x1e0 [13860.641812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13860.641812][ T7704] [13860.644030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13860.644030][ T7704] netdev_get_by_index+0x5e/0x80 [13860.644030][ T7704] fib6_nh_init+0x3d8/0x15b0 [13860.644030][ T7704] ip6_route_info_create+0xf18/0x17d0 [13860.644030][ T7704] ip6_route_add+0x1c/0x140 [13860.644030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13860.644030][ T7704] addrconf_add_dev+0xe2/0x170 [13860.644030][ T7704] inet6_addr_add+0x12f/0xa40 [13860.644030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13860.644030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13860.644030][ T7704] netlink_rcv_skb+0x130/0x360 [13860.644030][ T7704] netlink_unicast+0x449/0x710 [13860.644030][ T7704] netlink_sendmsg+0x723/0xbe0 [13860.644030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13860.644030][ T7704] ___sys_sendmsg+0xee/0x170 [13860.644030][ T7704] __sys_sendmsg+0xcd/0x170 [13860.644030][ T7704] do_syscall_64+0xc6/0x1e0 [13860.644030][ T7704] [13860.646242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13860.646242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13860.646242][ T7704] ipv6_find_idev+0x102/0x170 [13860.646242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13860.646242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13860.646242][ T7704] netlink_rcv_skb+0x130/0x360 [13860.646242][ T7704] netlink_unicast+0x449/0x710 [13860.646242][ T7704] netlink_sendmsg+0x723/0xbe0 [13860.646242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13860.646242][ T7704] ___sys_sendmsg+0xee/0x170 [13860.646242][ T7704] __sys_sendmsg+0xcd/0x170 [13860.646242][ T7704] do_syscall_64+0xc6/0x1e0 [13860.646242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13860.646242][ T7704] [13860.647959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13860.647959][ T7704] neigh_parms_alloc+0x1e5/0x510 [13860.647959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13860.647959][ T7704] ipv6_find_idev+0x102/0x170 [13860.647959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13860.647959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13860.647959][ T7704] netlink_rcv_skb+0x130/0x360 [13860.647959][ T7704] netlink_unicast+0x449/0x710 [13860.647959][ T7704] netlink_sendmsg+0x723/0xbe0 [13860.647959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13860.647959][ T7704] ___sys_sendmsg+0xee/0x170 [13860.647959][ T7704] __sys_sendmsg+0xcd/0x170 [13860.647959][ T7704] do_syscall_64+0xc6/0x1e0 [13860.647959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13860.647959][ T7704] [13870.735047][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13870.735640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13870.735640][ T7704] netdev_get_by_index+0x5e/0x80 [13870.735640][ T7704] fib6_nh_init+0x3d8/0x15b0 [13870.735640][ T7704] ip6_route_info_create+0xf18/0x17d0 [13870.735640][ T7704] ip6_route_add+0x1c/0x140 [13870.735640][ T7704] addrconf_prefix_route+0x2a6/0x430 [13870.735640][ T7704] inet6_addr_add+0x4f8/0xa40 [13870.735640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13870.735640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13870.735640][ T7704] netlink_rcv_skb+0x130/0x360 [13870.735640][ T7704] netlink_unicast+0x449/0x710 [13870.735640][ T7704] netlink_sendmsg+0x723/0xbe0 [13870.735640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13870.735640][ T7704] ___sys_sendmsg+0xee/0x170 [13870.735640][ T7704] __sys_sendmsg+0xcd/0x170 [13870.735640][ T7704] do_syscall_64+0xc6/0x1e0 [13870.735640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13870.735640][ T7704] [13870.737846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13870.737846][ T7704] netdev_get_by_index+0x5e/0x80 [13870.737846][ T7704] fib6_nh_init+0x3d8/0x15b0 [13870.737846][ T7704] ip6_route_info_create+0xf18/0x17d0 [13870.737846][ T7704] addrconf_f6i_alloc+0x315/0x560 [13870.737846][ T7704] ipv6_add_addr+0x411/0x2000 [13870.737846][ T7704] inet6_addr_add+0x30e/0xa40 [13870.737846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13870.737846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13870.737846][ T7704] netlink_rcv_skb+0x130/0x360 [13870.737846][ T7704] netlink_unicast+0x449/0x710 [13870.737846][ T7704] netlink_sendmsg+0x723/0xbe0 [13870.737846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13870.737846][ T7704] ___sys_sendmsg+0xee/0x170 [13870.737846][ T7704] __sys_sendmsg+0xcd/0x170 [13870.737846][ T7704] do_syscall_64+0xc6/0x1e0 [13870.737846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13870.737846][ T7704] [13870.740038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13870.740038][ T7704] netdev_get_by_index+0x5e/0x80 [13870.740038][ T7704] fib6_nh_init+0x3d8/0x15b0 [13870.740038][ T7704] ip6_route_info_create+0xf18/0x17d0 [13870.740038][ T7704] ip6_route_add+0x1c/0x140 [13870.740038][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13870.740038][ T7704] addrconf_add_dev+0xe2/0x170 [13870.740038][ T7704] inet6_addr_add+0x12f/0xa40 [13870.740038][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13870.740038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13870.740038][ T7704] netlink_rcv_skb+0x130/0x360 [13870.740038][ T7704] netlink_unicast+0x449/0x710 [13870.740038][ T7704] netlink_sendmsg+0x723/0xbe0 [13870.740038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13870.740038][ T7704] ___sys_sendmsg+0xee/0x170 [13870.740038][ T7704] __sys_sendmsg+0xcd/0x170 [13870.740038][ T7704] do_syscall_64+0xc6/0x1e0 [13870.740038][ T7704] [13870.742263][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13870.742263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13870.742263][ T7704] ipv6_find_idev+0x102/0x170 [13870.742263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13870.742263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13870.742263][ T7704] netlink_rcv_skb+0x130/0x360 [13870.742263][ T7704] netlink_unicast+0x449/0x710 [13870.742263][ T7704] netlink_sendmsg+0x723/0xbe0 [13870.742263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13870.742263][ T7704] ___sys_sendmsg+0xee/0x170 [13870.742263][ T7704] __sys_sendmsg+0xcd/0x170 [13870.742263][ T7704] do_syscall_64+0xc6/0x1e0 [13870.742263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13870.742263][ T7704] [13870.743960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13870.743960][ T7704] neigh_parms_alloc+0x1e5/0x510 [13870.743960][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13870.743960][ T7704] ipv6_find_idev+0x102/0x170 [13870.743960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13870.743960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13870.743960][ T7704] netlink_rcv_skb+0x130/0x360 [13870.743960][ T7704] netlink_unicast+0x449/0x710 [13870.743960][ T7704] netlink_sendmsg+0x723/0xbe0 [13870.743960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13870.743960][ T7704] ___sys_sendmsg+0xee/0x170 [13870.743960][ T7704] __sys_sendmsg+0xcd/0x170 [13870.743960][ T7704] do_syscall_64+0xc6/0x1e0 [13870.743960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13870.743960][ T7704] [13880.982991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13880.983489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13880.983489][ T7704] netdev_get_by_index+0x5e/0x80 [13880.983489][ T7704] fib6_nh_init+0x3d8/0x15b0 [13880.983489][ T7704] ip6_route_info_create+0xf18/0x17d0 [13880.983489][ T7704] ip6_route_add+0x1c/0x140 [13880.983489][ T7704] addrconf_prefix_route+0x2a6/0x430 [13880.983489][ T7704] inet6_addr_add+0x4f8/0xa40 [13880.983489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13880.983489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13880.983489][ T7704] netlink_rcv_skb+0x130/0x360 [13880.983489][ T7704] netlink_unicast+0x449/0x710 [13880.983489][ T7704] netlink_sendmsg+0x723/0xbe0 [13880.983489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13880.983489][ T7704] ___sys_sendmsg+0xee/0x170 [13880.983489][ T7704] __sys_sendmsg+0xcd/0x170 [13880.983489][ T7704] do_syscall_64+0xc6/0x1e0 [13880.983489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13880.983489][ T7704] [13880.985687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13880.985687][ T7704] netdev_get_by_index+0x5e/0x80 [13880.985687][ T7704] fib6_nh_init+0x3d8/0x15b0 [13880.985687][ T7704] ip6_route_info_create+0xf18/0x17d0 [13880.985687][ T7704] addrconf_f6i_alloc+0x315/0x560 [13880.985687][ T7704] ipv6_add_addr+0x411/0x2000 [13880.985687][ T7704] inet6_addr_add+0x30e/0xa40 [13880.985687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13880.985687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13880.985687][ T7704] netlink_rcv_skb+0x130/0x360 [13880.985687][ T7704] netlink_unicast+0x449/0x710 [13880.985687][ T7704] netlink_sendmsg+0x723/0xbe0 [13880.985687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13880.985687][ T7704] ___sys_sendmsg+0xee/0x170 [13880.985687][ T7704] __sys_sendmsg+0xcd/0x170 [13880.985687][ T7704] do_syscall_64+0xc6/0x1e0 [13880.985687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13880.985687][ T7704] [13880.987856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13880.987856][ T7704] netdev_get_by_index+0x5e/0x80 [13880.987856][ T7704] fib6_nh_init+0x3d8/0x15b0 [13880.987856][ T7704] ip6_route_info_create+0xf18/0x17d0 [13880.987856][ T7704] ip6_route_add+0x1c/0x140 [13880.987856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13880.987856][ T7704] addrconf_add_dev+0xe2/0x170 [13880.987856][ T7704] inet6_addr_add+0x12f/0xa40 [13880.987856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13880.987856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13880.987856][ T7704] netlink_rcv_skb+0x130/0x360 [13880.987856][ T7704] netlink_unicast+0x449/0x710 [13880.987856][ T7704] netlink_sendmsg+0x723/0xbe0 [13880.987856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13880.987856][ T7704] ___sys_sendmsg+0xee/0x170 [13880.987856][ T7704] __sys_sendmsg+0xcd/0x170 [13880.987856][ T7704] do_syscall_64+0xc6/0x1e0 [13880.987856][ T7704] [13880.990034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13880.990034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13880.990034][ T7704] ipv6_find_idev+0x102/0x170 [13880.990034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13880.990034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13880.990034][ T7704] netlink_rcv_skb+0x130/0x360 [13880.990034][ T7704] netlink_unicast+0x449/0x710 [13880.990034][ T7704] netlink_sendmsg+0x723/0xbe0 [13880.990034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13880.990034][ T7704] ___sys_sendmsg+0xee/0x170 [13880.990034][ T7704] __sys_sendmsg+0xcd/0x170 [13880.990034][ T7704] do_syscall_64+0xc6/0x1e0 [13880.990034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13880.990034][ T7704] [13880.991726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13880.991726][ T7704] neigh_parms_alloc+0x1e5/0x510 [13880.991726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13880.991726][ T7704] ipv6_find_idev+0x102/0x170 [13880.991726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13880.991726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13880.991726][ T7704] netlink_rcv_skb+0x130/0x360 [13880.991726][ T7704] netlink_unicast+0x449/0x710 [13880.991726][ T7704] netlink_sendmsg+0x723/0xbe0 [13880.991726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13880.991726][ T7704] ___sys_sendmsg+0xee/0x170 [13880.991726][ T7704] __sys_sendmsg+0xcd/0x170 [13880.991726][ T7704] do_syscall_64+0xc6/0x1e0 [13880.991726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13880.991726][ T7704] [13891.231016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13891.232207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13891.232207][ T7704] netdev_get_by_index+0x5e/0x80 [13891.232207][ T7704] fib6_nh_init+0x3d8/0x15b0 [13891.232207][ T7704] ip6_route_info_create+0xf18/0x17d0 [13891.232207][ T7704] ip6_route_add+0x1c/0x140 [13891.232207][ T7704] addrconf_prefix_route+0x2a6/0x430 [13891.232207][ T7704] inet6_addr_add+0x4f8/0xa40 [13891.232207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13891.232207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13891.232207][ T7704] netlink_rcv_skb+0x130/0x360 [13891.232207][ T7704] netlink_unicast+0x449/0x710 [13891.232207][ T7704] netlink_sendmsg+0x723/0xbe0 [13891.232207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13891.232207][ T7704] ___sys_sendmsg+0xee/0x170 [13891.232207][ T7704] __sys_sendmsg+0xcd/0x170 [13891.232207][ T7704] do_syscall_64+0xc6/0x1e0 [13891.232207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13891.232207][ T7704] [13891.234461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13891.234461][ T7704] netdev_get_by_index+0x5e/0x80 [13891.234461][ T7704] fib6_nh_init+0x3d8/0x15b0 [13891.234461][ T7704] ip6_route_info_create+0xf18/0x17d0 [13891.234461][ T7704] addrconf_f6i_alloc+0x315/0x560 [13891.234461][ T7704] ipv6_add_addr+0x411/0x2000 [13891.234461][ T7704] inet6_addr_add+0x30e/0xa40 [13891.234461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13891.234461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13891.234461][ T7704] netlink_rcv_skb+0x130/0x360 [13891.234461][ T7704] netlink_unicast+0x449/0x710 [13891.234461][ T7704] netlink_sendmsg+0x723/0xbe0 [13891.234461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13891.234461][ T7704] ___sys_sendmsg+0xee/0x170 [13891.234461][ T7704] __sys_sendmsg+0xcd/0x170 [13891.234461][ T7704] do_syscall_64+0xc6/0x1e0 [13891.234461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13891.234461][ T7704] [13891.236712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13891.236712][ T7704] netdev_get_by_index+0x5e/0x80 [13891.236712][ T7704] fib6_nh_init+0x3d8/0x15b0 [13891.236712][ T7704] ip6_route_info_create+0xf18/0x17d0 [13891.236712][ T7704] ip6_route_add+0x1c/0x140 [13891.236712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13891.236712][ T7704] addrconf_add_dev+0xe2/0x170 [13891.236712][ T7704] inet6_addr_add+0x12f/0xa40 [13891.236712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13891.236712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13891.236712][ T7704] netlink_rcv_skb+0x130/0x360 [13891.236712][ T7704] netlink_unicast+0x449/0x710 [13891.236712][ T7704] netlink_sendmsg+0x723/0xbe0 [13891.236712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13891.236712][ T7704] ___sys_sendmsg+0xee/0x170 [13891.236712][ T7704] __sys_sendmsg+0xcd/0x170 [13891.236712][ T7704] do_syscall_64+0xc6/0x1e0 [13891.236712][ T7704] [13891.238912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13891.238912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13891.238912][ T7704] ipv6_find_idev+0x102/0x170 [13891.238912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13891.238912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13891.238912][ T7704] netlink_rcv_skb+0x130/0x360 [13891.238912][ T7704] netlink_unicast+0x449/0x710 [13891.238912][ T7704] netlink_sendmsg+0x723/0xbe0 [13891.238912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13891.238912][ T7704] ___sys_sendmsg+0xee/0x170 [13891.238912][ T7704] __sys_sendmsg+0xcd/0x170 [13891.238912][ T7704] do_syscall_64+0xc6/0x1e0 [13891.238912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13891.238912][ T7704] [13891.240616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13891.240616][ T7704] neigh_parms_alloc+0x1e5/0x510 [13891.240616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13891.240616][ T7704] ipv6_find_idev+0x102/0x170 [13891.240616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13891.240616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13891.240616][ T7704] netlink_rcv_skb+0x130/0x360 [13891.240616][ T7704] netlink_unicast+0x449/0x710 [13891.240616][ T7704] netlink_sendmsg+0x723/0xbe0 [13891.240616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13891.240616][ T7704] ___sys_sendmsg+0xee/0x170 [13891.240616][ T7704] __sys_sendmsg+0xcd/0x170 [13891.240616][ T7704] do_syscall_64+0xc6/0x1e0 [13891.240616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13891.240616][ T7704] [13901.478938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13901.479421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13901.479421][ T7704] netdev_get_by_index+0x5e/0x80 [13901.479421][ T7704] fib6_nh_init+0x3d8/0x15b0 [13901.479421][ T7704] ip6_route_info_create+0xf18/0x17d0 [13901.479421][ T7704] ip6_route_add+0x1c/0x140 [13901.479421][ T7704] addrconf_prefix_route+0x2a6/0x430 [13901.479421][ T7704] inet6_addr_add+0x4f8/0xa40 [13901.479421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13901.479421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13901.479421][ T7704] netlink_rcv_skb+0x130/0x360 [13901.479421][ T7704] netlink_unicast+0x449/0x710 [13901.479421][ T7704] netlink_sendmsg+0x723/0xbe0 [13901.479421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13901.479421][ T7704] ___sys_sendmsg+0xee/0x170 [13901.479421][ T7704] __sys_sendmsg+0xcd/0x170 [13901.479421][ T7704] do_syscall_64+0xc6/0x1e0 [13901.479421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13901.479421][ T7704] [13901.481658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13901.481658][ T7704] netdev_get_by_index+0x5e/0x80 [13901.481658][ T7704] fib6_nh_init+0x3d8/0x15b0 [13901.481658][ T7704] ip6_route_info_create+0xf18/0x17d0 [13901.481658][ T7704] addrconf_f6i_alloc+0x315/0x560 [13901.481658][ T7704] ipv6_add_addr+0x411/0x2000 [13901.481658][ T7704] inet6_addr_add+0x30e/0xa40 [13901.481658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13901.481658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13901.481658][ T7704] netlink_rcv_skb+0x130/0x360 [13901.481658][ T7704] netlink_unicast+0x449/0x710 [13901.481658][ T7704] netlink_sendmsg+0x723/0xbe0 [13901.481658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13901.481658][ T7704] ___sys_sendmsg+0xee/0x170 [13901.481658][ T7704] __sys_sendmsg+0xcd/0x170 [13901.481658][ T7704] do_syscall_64+0xc6/0x1e0 [13901.481658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13901.481658][ T7704] [13901.484382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13901.484382][ T7704] netdev_get_by_index+0x5e/0x80 [13901.484382][ T7704] fib6_nh_init+0x3d8/0x15b0 [13901.484382][ T7704] ip6_route_info_create+0xf18/0x17d0 [13901.484382][ T7704] ip6_route_add+0x1c/0x140 [13901.484382][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13901.484382][ T7704] addrconf_add_dev+0xe2/0x170 [13901.484382][ T7704] inet6_addr_add+0x12f/0xa40 [13901.484382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13901.484382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13901.484382][ T7704] netlink_rcv_skb+0x130/0x360 [13901.484382][ T7704] netlink_unicast+0x449/0x710 [13901.484382][ T7704] netlink_sendmsg+0x723/0xbe0 [13901.484382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13901.484382][ T7704] ___sys_sendmsg+0xee/0x170 [13901.484382][ T7704] __sys_sendmsg+0xcd/0x170 [13901.484382][ T7704] do_syscall_64+0xc6/0x1e0 [13901.484382][ T7704] [13901.486599][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13901.486599][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13901.486599][ T7704] ipv6_find_idev+0x102/0x170 [13901.486599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13901.486599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13901.486599][ T7704] netlink_rcv_skb+0x130/0x360 [13901.486599][ T7704] netlink_unicast+0x449/0x710 [13901.486599][ T7704] netlink_sendmsg+0x723/0xbe0 [13901.486599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13901.486599][ T7704] ___sys_sendmsg+0xee/0x170 [13901.486599][ T7704] __sys_sendmsg+0xcd/0x170 [13901.486599][ T7704] do_syscall_64+0xc6/0x1e0 [13901.486599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13901.486599][ T7704] [13901.488311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13901.488311][ T7704] neigh_parms_alloc+0x1e5/0x510 [13901.488311][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13901.488311][ T7704] ipv6_find_idev+0x102/0x170 [13901.488311][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13901.488311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13901.488311][ T7704] netlink_rcv_skb+0x130/0x360 [13901.488311][ T7704] netlink_unicast+0x449/0x710 [13901.488311][ T7704] netlink_sendmsg+0x723/0xbe0 [13901.488311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13901.488311][ T7704] ___sys_sendmsg+0xee/0x170 [13901.488311][ T7704] __sys_sendmsg+0xcd/0x170 [13901.488311][ T7704] do_syscall_64+0xc6/0x1e0 [13901.488311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13901.488311][ T7704] [13911.727007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13911.727592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13911.727592][ T7704] netdev_get_by_index+0x5e/0x80 [13911.727592][ T7704] fib6_nh_init+0x3d8/0x15b0 [13911.727592][ T7704] ip6_route_info_create+0xf18/0x17d0 [13911.727592][ T7704] ip6_route_add+0x1c/0x140 [13911.727592][ T7704] addrconf_prefix_route+0x2a6/0x430 [13911.727592][ T7704] inet6_addr_add+0x4f8/0xa40 [13911.727592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13911.727592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13911.727592][ T7704] netlink_rcv_skb+0x130/0x360 [13911.727592][ T7704] netlink_unicast+0x449/0x710 [13911.727592][ T7704] netlink_sendmsg+0x723/0xbe0 [13911.727592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13911.727592][ T7704] ___sys_sendmsg+0xee/0x170 [13911.727592][ T7704] __sys_sendmsg+0xcd/0x170 [13911.727592][ T7704] do_syscall_64+0xc6/0x1e0 [13911.727592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13911.727592][ T7704] [13911.729817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13911.729817][ T7704] netdev_get_by_index+0x5e/0x80 [13911.729817][ T7704] fib6_nh_init+0x3d8/0x15b0 [13911.729817][ T7704] ip6_route_info_create+0xf18/0x17d0 [13911.729817][ T7704] addrconf_f6i_alloc+0x315/0x560 [13911.729817][ T7704] ipv6_add_addr+0x411/0x2000 [13911.729817][ T7704] inet6_addr_add+0x30e/0xa40 [13911.729817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13911.729817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13911.729817][ T7704] netlink_rcv_skb+0x130/0x360 [13911.729817][ T7704] netlink_unicast+0x449/0x710 [13911.729817][ T7704] netlink_sendmsg+0x723/0xbe0 [13911.729817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13911.729817][ T7704] ___sys_sendmsg+0xee/0x170 [13911.729817][ T7704] __sys_sendmsg+0xcd/0x170 [13911.729817][ T7704] do_syscall_64+0xc6/0x1e0 [13911.729817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13911.729817][ T7704] [13911.731984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13911.731984][ T7704] netdev_get_by_index+0x5e/0x80 [13911.731984][ T7704] fib6_nh_init+0x3d8/0x15b0 [13911.731984][ T7704] ip6_route_info_create+0xf18/0x17d0 [13911.731984][ T7704] ip6_route_add+0x1c/0x140 [13911.731984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13911.731984][ T7704] addrconf_add_dev+0xe2/0x170 [13911.731984][ T7704] inet6_addr_add+0x12f/0xa40 [13911.731984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13911.731984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13911.731984][ T7704] netlink_rcv_skb+0x130/0x360 [13911.731984][ T7704] netlink_unicast+0x449/0x710 [13911.731984][ T7704] netlink_sendmsg+0x723/0xbe0 [13911.731984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13911.731984][ T7704] ___sys_sendmsg+0xee/0x170 [13911.731984][ T7704] __sys_sendmsg+0xcd/0x170 [13911.731984][ T7704] do_syscall_64+0xc6/0x1e0 [13911.731984][ T7704] [13911.734146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13911.734146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13911.734146][ T7704] ipv6_find_idev+0x102/0x170 [13911.734146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13911.734146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13911.734146][ T7704] netlink_rcv_skb+0x130/0x360 [13911.734146][ T7704] netlink_unicast+0x449/0x710 [13911.734146][ T7704] netlink_sendmsg+0x723/0xbe0 [13911.734146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13911.734146][ T7704] ___sys_sendmsg+0xee/0x170 [13911.734146][ T7704] __sys_sendmsg+0xcd/0x170 [13911.734146][ T7704] do_syscall_64+0xc6/0x1e0 [13911.734146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13911.734146][ T7704] [13911.735907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13911.735907][ T7704] neigh_parms_alloc+0x1e5/0x510 [13911.735907][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13911.735907][ T7704] ipv6_find_idev+0x102/0x170 [13911.735907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13911.735907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13911.735907][ T7704] netlink_rcv_skb+0x130/0x360 [13911.735907][ T7704] netlink_unicast+0x449/0x710 [13911.735907][ T7704] netlink_sendmsg+0x723/0xbe0 [13911.735907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13911.735907][ T7704] ___sys_sendmsg+0xee/0x170 [13911.735907][ T7704] __sys_sendmsg+0xcd/0x170 [13911.735907][ T7704] do_syscall_64+0xc6/0x1e0 [13911.735907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13911.735907][ T7704] [13921.974950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13921.975554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13921.975554][ T7704] netdev_get_by_index+0x5e/0x80 [13921.975554][ T7704] fib6_nh_init+0x3d8/0x15b0 [13921.975554][ T7704] ip6_route_info_create+0xf18/0x17d0 [13921.975554][ T7704] ip6_route_add+0x1c/0x140 [13921.975554][ T7704] addrconf_prefix_route+0x2a6/0x430 [13921.975554][ T7704] inet6_addr_add+0x4f8/0xa40 [13921.975554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13921.975554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13921.975554][ T7704] netlink_rcv_skb+0x130/0x360 [13921.975554][ T7704] netlink_unicast+0x449/0x710 [13921.975554][ T7704] netlink_sendmsg+0x723/0xbe0 [13921.975554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13921.975554][ T7704] ___sys_sendmsg+0xee/0x170 [13921.975554][ T7704] __sys_sendmsg+0xcd/0x170 [13921.975554][ T7704] do_syscall_64+0xc6/0x1e0 [13921.975554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13921.975554][ T7704] [13921.978260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13921.978260][ T7704] netdev_get_by_index+0x5e/0x80 [13921.978260][ T7704] fib6_nh_init+0x3d8/0x15b0 [13921.978260][ T7704] ip6_route_info_create+0xf18/0x17d0 [13921.978260][ T7704] addrconf_f6i_alloc+0x315/0x560 [13921.978260][ T7704] ipv6_add_addr+0x411/0x2000 [13921.978260][ T7704] inet6_addr_add+0x30e/0xa40 [13921.978260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13921.978260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13921.978260][ T7704] netlink_rcv_skb+0x130/0x360 [13921.978260][ T7704] netlink_unicast+0x449/0x710 [13921.978260][ T7704] netlink_sendmsg+0x723/0xbe0 [13921.978260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13921.978260][ T7704] ___sys_sendmsg+0xee/0x170 [13921.978260][ T7704] __sys_sendmsg+0xcd/0x170 [13921.978260][ T7704] do_syscall_64+0xc6/0x1e0 [13921.978260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13921.978260][ T7704] [13921.980568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13921.980568][ T7704] netdev_get_by_index+0x5e/0x80 [13921.980568][ T7704] fib6_nh_init+0x3d8/0x15b0 [13921.980568][ T7704] ip6_route_info_create+0xf18/0x17d0 [13921.980568][ T7704] ip6_route_add+0x1c/0x140 [13921.980568][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13921.980568][ T7704] addrconf_add_dev+0xe2/0x170 [13921.980568][ T7704] inet6_addr_add+0x12f/0xa40 [13921.980568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13921.980568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13921.980568][ T7704] netlink_rcv_skb+0x130/0x360 [13921.980568][ T7704] netlink_unicast+0x449/0x710 [13921.980568][ T7704] netlink_sendmsg+0x723/0xbe0 [13921.980568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13921.980568][ T7704] ___sys_sendmsg+0xee/0x170 [13921.980568][ T7704] __sys_sendmsg+0xcd/0x170 [13921.980568][ T7704] do_syscall_64+0xc6/0x1e0 [13921.980568][ T7704] [13921.982744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13921.982744][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13921.982744][ T7704] ipv6_find_idev+0x102/0x170 [13921.982744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13921.982744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13921.982744][ T7704] netlink_rcv_skb+0x130/0x360 [13921.982744][ T7704] netlink_unicast+0x449/0x710 [13921.982744][ T7704] netlink_sendmsg+0x723/0xbe0 [13921.982744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13921.982744][ T7704] ___sys_sendmsg+0xee/0x170 [13921.982744][ T7704] __sys_sendmsg+0xcd/0x170 [13921.982744][ T7704] do_syscall_64+0xc6/0x1e0 [13921.982744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13921.982744][ T7704] [13921.984448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13921.984448][ T7704] neigh_parms_alloc+0x1e5/0x510 [13921.984448][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13921.984448][ T7704] ipv6_find_idev+0x102/0x170 [13921.984448][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13921.984448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13921.984448][ T7704] netlink_rcv_skb+0x130/0x360 [13921.984448][ T7704] netlink_unicast+0x449/0x710 [13921.984448][ T7704] netlink_sendmsg+0x723/0xbe0 [13921.984448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13921.984448][ T7704] ___sys_sendmsg+0xee/0x170 [13921.984448][ T7704] __sys_sendmsg+0xcd/0x170 [13921.984448][ T7704] do_syscall_64+0xc6/0x1e0 [13921.984448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13921.984448][ T7704] [13932.223003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13932.223529][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13932.223529][ T7704] netdev_get_by_index+0x5e/0x80 [13932.223529][ T7704] fib6_nh_init+0x3d8/0x15b0 [13932.223529][ T7704] ip6_route_info_create+0xf18/0x17d0 [13932.223529][ T7704] ip6_route_add+0x1c/0x140 [13932.223529][ T7704] addrconf_prefix_route+0x2a6/0x430 [13932.223529][ T7704] inet6_addr_add+0x4f8/0xa40 [13932.223529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13932.223529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13932.223529][ T7704] netlink_rcv_skb+0x130/0x360 [13932.223529][ T7704] netlink_unicast+0x449/0x710 [13932.223529][ T7704] netlink_sendmsg+0x723/0xbe0 [13932.223529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13932.223529][ T7704] ___sys_sendmsg+0xee/0x170 [13932.223529][ T7704] __sys_sendmsg+0xcd/0x170 [13932.223529][ T7704] do_syscall_64+0xc6/0x1e0 [13932.223529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13932.223529][ T7704] [13932.225934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13932.225934][ T7704] netdev_get_by_index+0x5e/0x80 [13932.225934][ T7704] fib6_nh_init+0x3d8/0x15b0 [13932.225934][ T7704] ip6_route_info_create+0xf18/0x17d0 [13932.225934][ T7704] addrconf_f6i_alloc+0x315/0x560 [13932.225934][ T7704] ipv6_add_addr+0x411/0x2000 [13932.225934][ T7704] inet6_addr_add+0x30e/0xa40 [13932.225934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13932.225934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13932.225934][ T7704] netlink_rcv_skb+0x130/0x360 [13932.225934][ T7704] netlink_unicast+0x449/0x710 [13932.225934][ T7704] netlink_sendmsg+0x723/0xbe0 [13932.225934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13932.225934][ T7704] ___sys_sendmsg+0xee/0x170 [13932.225934][ T7704] __sys_sendmsg+0xcd/0x170 [13932.225934][ T7704] do_syscall_64+0xc6/0x1e0 [13932.225934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13932.225934][ T7704] [13932.228136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13932.228136][ T7704] netdev_get_by_index+0x5e/0x80 [13932.228136][ T7704] fib6_nh_init+0x3d8/0x15b0 [13932.228136][ T7704] ip6_route_info_create+0xf18/0x17d0 [13932.228136][ T7704] ip6_route_add+0x1c/0x140 [13932.228136][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13932.228136][ T7704] addrconf_add_dev+0xe2/0x170 [13932.228136][ T7704] inet6_addr_add+0x12f/0xa40 [13932.228136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13932.228136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13932.228136][ T7704] netlink_rcv_skb+0x130/0x360 [13932.228136][ T7704] netlink_unicast+0x449/0x710 [13932.228136][ T7704] netlink_sendmsg+0x723/0xbe0 [13932.228136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13932.228136][ T7704] ___sys_sendmsg+0xee/0x170 [13932.228136][ T7704] __sys_sendmsg+0xcd/0x170 [13932.228136][ T7704] do_syscall_64+0xc6/0x1e0 [13932.228136][ T7704] [13932.230342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13932.230342][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13932.230342][ T7704] ipv6_find_idev+0x102/0x170 [13932.230342][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13932.230342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13932.230342][ T7704] netlink_rcv_skb+0x130/0x360 [13932.230342][ T7704] netlink_unicast+0x449/0x710 [13932.230342][ T7704] netlink_sendmsg+0x723/0xbe0 [13932.230342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13932.230342][ T7704] ___sys_sendmsg+0xee/0x170 [13932.230342][ T7704] __sys_sendmsg+0xcd/0x170 [13932.230342][ T7704] do_syscall_64+0xc6/0x1e0 [13932.230342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13932.230342][ T7704] [13932.232078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13932.232078][ T7704] neigh_parms_alloc+0x1e5/0x510 [13932.232078][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13932.232078][ T7704] ipv6_find_idev+0x102/0x170 [13932.232078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13932.232078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13932.232078][ T7704] netlink_rcv_skb+0x130/0x360 [13932.232078][ T7704] netlink_unicast+0x449/0x710 [13932.232078][ T7704] netlink_sendmsg+0x723/0xbe0 [13932.232078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13932.232078][ T7704] ___sys_sendmsg+0xee/0x170 [13932.232078][ T7704] __sys_sendmsg+0xcd/0x170 [13932.232078][ T7704] do_syscall_64+0xc6/0x1e0 [13932.232078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13932.232078][ T7704] [13942.471009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13942.471597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13942.471597][ T7704] netdev_get_by_index+0x5e/0x80 [13942.471597][ T7704] fib6_nh_init+0x3d8/0x15b0 [13942.471597][ T7704] ip6_route_info_create+0xf18/0x17d0 [13942.471597][ T7704] ip6_route_add+0x1c/0x140 [13942.471597][ T7704] addrconf_prefix_route+0x2a6/0x430 [13942.471597][ T7704] inet6_addr_add+0x4f8/0xa40 [13942.471597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13942.471597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13942.471597][ T7704] netlink_rcv_skb+0x130/0x360 [13942.471597][ T7704] netlink_unicast+0x449/0x710 [13942.471597][ T7704] netlink_sendmsg+0x723/0xbe0 [13942.471597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13942.471597][ T7704] ___sys_sendmsg+0xee/0x170 [13942.471597][ T7704] __sys_sendmsg+0xcd/0x170 [13942.471597][ T7704] do_syscall_64+0xc6/0x1e0 [13942.471597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13942.471597][ T7704] [13942.473819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13942.473819][ T7704] netdev_get_by_index+0x5e/0x80 [13942.473819][ T7704] fib6_nh_init+0x3d8/0x15b0 [13942.473819][ T7704] ip6_route_info_create+0xf18/0x17d0 [13942.473819][ T7704] addrconf_f6i_alloc+0x315/0x560 [13942.473819][ T7704] ipv6_add_addr+0x411/0x2000 [13942.473819][ T7704] inet6_addr_add+0x30e/0xa40 [13942.473819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13942.473819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13942.473819][ T7704] netlink_rcv_skb+0x130/0x360 [13942.473819][ T7704] netlink_unicast+0x449/0x710 [13942.473819][ T7704] netlink_sendmsg+0x723/0xbe0 [13942.473819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13942.473819][ T7704] ___sys_sendmsg+0xee/0x170 [13942.473819][ T7704] __sys_sendmsg+0xcd/0x170 [13942.473819][ T7704] do_syscall_64+0xc6/0x1e0 [13942.473819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13942.473819][ T7704] [13942.476063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13942.476063][ T7704] netdev_get_by_index+0x5e/0x80 [13942.476063][ T7704] fib6_nh_init+0x3d8/0x15b0 [13942.476063][ T7704] ip6_route_info_create+0xf18/0x17d0 [13942.476063][ T7704] ip6_route_add+0x1c/0x140 [13942.476063][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13942.476063][ T7704] addrconf_add_dev+0xe2/0x170 [13942.476063][ T7704] inet6_addr_add+0x12f/0xa40 [13942.476063][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13942.476063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13942.476063][ T7704] netlink_rcv_skb+0x130/0x360 [13942.476063][ T7704] netlink_unicast+0x449/0x710 [13942.476063][ T7704] netlink_sendmsg+0x723/0xbe0 [13942.476063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13942.476063][ T7704] ___sys_sendmsg+0xee/0x170 [13942.476063][ T7704] __sys_sendmsg+0xcd/0x170 [13942.476063][ T7704] do_syscall_64+0xc6/0x1e0 [13942.476063][ T7704] [13942.478278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13942.478278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13942.478278][ T7704] ipv6_find_idev+0x102/0x170 [13942.478278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13942.478278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13942.478278][ T7704] netlink_rcv_skb+0x130/0x360 [13942.478278][ T7704] netlink_unicast+0x449/0x710 [13942.478278][ T7704] netlink_sendmsg+0x723/0xbe0 [13942.478278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13942.478278][ T7704] ___sys_sendmsg+0xee/0x170 [13942.478278][ T7704] __sys_sendmsg+0xcd/0x170 [13942.478278][ T7704] do_syscall_64+0xc6/0x1e0 [13942.478278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13942.478278][ T7704] [13942.480009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13942.480009][ T7704] neigh_parms_alloc+0x1e5/0x510 [13942.480009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13942.480009][ T7704] ipv6_find_idev+0x102/0x170 [13942.480009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13942.480009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13942.480009][ T7704] netlink_rcv_skb+0x130/0x360 [13942.480009][ T7704] netlink_unicast+0x449/0x710 [13942.480009][ T7704] netlink_sendmsg+0x723/0xbe0 [13942.480009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13942.480009][ T7704] ___sys_sendmsg+0xee/0x170 [13942.480009][ T7704] __sys_sendmsg+0xcd/0x170 [13942.480009][ T7704] do_syscall_64+0xc6/0x1e0 [13942.480009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13942.480009][ T7704] [13952.719022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13952.719666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13952.719666][ T7704] netdev_get_by_index+0x5e/0x80 [13952.719666][ T7704] fib6_nh_init+0x3d8/0x15b0 [13952.719666][ T7704] ip6_route_info_create+0xf18/0x17d0 [13952.719666][ T7704] ip6_route_add+0x1c/0x140 [13952.719666][ T7704] addrconf_prefix_route+0x2a6/0x430 [13952.719666][ T7704] inet6_addr_add+0x4f8/0xa40 [13952.719666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13952.719666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13952.719666][ T7704] netlink_rcv_skb+0x130/0x360 [13952.719666][ T7704] netlink_unicast+0x449/0x710 [13952.719666][ T7704] netlink_sendmsg+0x723/0xbe0 [13952.719666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13952.719666][ T7704] ___sys_sendmsg+0xee/0x170 [13952.719666][ T7704] __sys_sendmsg+0xcd/0x170 [13952.719666][ T7704] do_syscall_64+0xc6/0x1e0 [13952.719666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13952.719666][ T7704] [13952.721893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13952.721893][ T7704] netdev_get_by_index+0x5e/0x80 [13952.721893][ T7704] fib6_nh_init+0x3d8/0x15b0 [13952.721893][ T7704] ip6_route_info_create+0xf18/0x17d0 [13952.721893][ T7704] addrconf_f6i_alloc+0x315/0x560 [13952.721893][ T7704] ipv6_add_addr+0x411/0x2000 [13952.721893][ T7704] inet6_addr_add+0x30e/0xa40 [13952.721893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13952.721893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13952.721893][ T7704] netlink_rcv_skb+0x130/0x360 [13952.721893][ T7704] netlink_unicast+0x449/0x710 [13952.721893][ T7704] netlink_sendmsg+0x723/0xbe0 [13952.721893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13952.721893][ T7704] ___sys_sendmsg+0xee/0x170 [13952.721893][ T7704] __sys_sendmsg+0xcd/0x170 [13952.721893][ T7704] do_syscall_64+0xc6/0x1e0 [13952.721893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13952.721893][ T7704] [13952.724098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13952.724098][ T7704] netdev_get_by_index+0x5e/0x80 [13952.724098][ T7704] fib6_nh_init+0x3d8/0x15b0 [13952.724098][ T7704] ip6_route_info_create+0xf18/0x17d0 [13952.724098][ T7704] ip6_route_add+0x1c/0x140 [13952.724098][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13952.724098][ T7704] addrconf_add_dev+0xe2/0x170 [13952.724098][ T7704] inet6_addr_add+0x12f/0xa40 [13952.724098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13952.724098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13952.724098][ T7704] netlink_rcv_skb+0x130/0x360 [13952.724098][ T7704] netlink_unicast+0x449/0x710 [13952.724098][ T7704] netlink_sendmsg+0x723/0xbe0 [13952.724098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13952.724098][ T7704] ___sys_sendmsg+0xee/0x170 [13952.724098][ T7704] __sys_sendmsg+0xcd/0x170 [13952.724098][ T7704] do_syscall_64+0xc6/0x1e0 [13952.724098][ T7704] [13952.726276][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13952.726276][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13952.726276][ T7704] ipv6_find_idev+0x102/0x170 [13952.726276][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13952.726276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13952.726276][ T7704] netlink_rcv_skb+0x130/0x360 [13952.726276][ T7704] netlink_unicast+0x449/0x710 [13952.726276][ T7704] netlink_sendmsg+0x723/0xbe0 [13952.726276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13952.726276][ T7704] ___sys_sendmsg+0xee/0x170 [13952.726276][ T7704] __sys_sendmsg+0xcd/0x170 [13952.726276][ T7704] do_syscall_64+0xc6/0x1e0 [13952.726276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13952.726276][ T7704] [13952.727994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13952.727994][ T7704] neigh_parms_alloc+0x1e5/0x510 [13952.727994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13952.727994][ T7704] ipv6_find_idev+0x102/0x170 [13952.727994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13952.727994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13952.727994][ T7704] netlink_rcv_skb+0x130/0x360 [13952.727994][ T7704] netlink_unicast+0x449/0x710 [13952.727994][ T7704] netlink_sendmsg+0x723/0xbe0 [13952.727994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13952.727994][ T7704] ___sys_sendmsg+0xee/0x170 [13952.727994][ T7704] __sys_sendmsg+0xcd/0x170 [13952.727994][ T7704] do_syscall_64+0xc6/0x1e0 [13952.727994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13952.727994][ T7704] [13962.967006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13962.967655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13962.967655][ T7704] netdev_get_by_index+0x5e/0x80 [13962.967655][ T7704] fib6_nh_init+0x3d8/0x15b0 [13962.967655][ T7704] ip6_route_info_create+0xf18/0x17d0 [13962.967655][ T7704] ip6_route_add+0x1c/0x140 [13962.967655][ T7704] addrconf_prefix_route+0x2a6/0x430 [13962.967655][ T7704] inet6_addr_add+0x4f8/0xa40 [13962.967655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13962.967655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13962.967655][ T7704] netlink_rcv_skb+0x130/0x360 [13962.967655][ T7704] netlink_unicast+0x449/0x710 [13962.967655][ T7704] netlink_sendmsg+0x723/0xbe0 [13962.967655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13962.967655][ T7704] ___sys_sendmsg+0xee/0x170 [13962.967655][ T7704] __sys_sendmsg+0xcd/0x170 [13962.967655][ T7704] do_syscall_64+0xc6/0x1e0 [13962.967655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13962.967655][ T7704] [13962.969841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13962.969841][ T7704] netdev_get_by_index+0x5e/0x80 [13962.969841][ T7704] fib6_nh_init+0x3d8/0x15b0 [13962.969841][ T7704] ip6_route_info_create+0xf18/0x17d0 [13962.969841][ T7704] addrconf_f6i_alloc+0x315/0x560 [13962.969841][ T7704] ipv6_add_addr+0x411/0x2000 [13962.969841][ T7704] inet6_addr_add+0x30e/0xa40 [13962.969841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13962.969841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13962.969841][ T7704] netlink_rcv_skb+0x130/0x360 [13962.969841][ T7704] netlink_unicast+0x449/0x710 [13962.969841][ T7704] netlink_sendmsg+0x723/0xbe0 [13962.969841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13962.969841][ T7704] ___sys_sendmsg+0xee/0x170 [13962.969841][ T7704] __sys_sendmsg+0xcd/0x170 [13962.969841][ T7704] do_syscall_64+0xc6/0x1e0 [13962.969841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13962.969841][ T7704] [13962.972001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13962.972001][ T7704] netdev_get_by_index+0x5e/0x80 [13962.972001][ T7704] fib6_nh_init+0x3d8/0x15b0 [13962.972001][ T7704] ip6_route_info_create+0xf18/0x17d0 [13962.972001][ T7704] ip6_route_add+0x1c/0x140 [13962.972001][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13962.972001][ T7704] addrconf_add_dev+0xe2/0x170 [13962.972001][ T7704] inet6_addr_add+0x12f/0xa40 [13962.972001][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13962.972001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13962.972001][ T7704] netlink_rcv_skb+0x130/0x360 [13962.972001][ T7704] netlink_unicast+0x449/0x710 [13962.972001][ T7704] netlink_sendmsg+0x723/0xbe0 [13962.972001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13962.972001][ T7704] ___sys_sendmsg+0xee/0x170 [13962.972001][ T7704] __sys_sendmsg+0xcd/0x170 [13962.972001][ T7704] do_syscall_64+0xc6/0x1e0 [13962.972001][ T7704] [13962.974135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13962.974135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13962.974135][ T7704] ipv6_find_idev+0x102/0x170 [13962.974135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13962.974135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13962.974135][ T7704] netlink_rcv_skb+0x130/0x360 [13962.974135][ T7704] netlink_unicast+0x449/0x710 [13962.974135][ T7704] netlink_sendmsg+0x723/0xbe0 [13962.974135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13962.974135][ T7704] ___sys_sendmsg+0xee/0x170 [13962.974135][ T7704] __sys_sendmsg+0xcd/0x170 [13962.974135][ T7704] do_syscall_64+0xc6/0x1e0 [13962.974135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13962.974135][ T7704] [13962.975827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13962.975827][ T7704] neigh_parms_alloc+0x1e5/0x510 [13962.975827][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13962.975827][ T7704] ipv6_find_idev+0x102/0x170 [13962.975827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13962.975827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13962.975827][ T7704] netlink_rcv_skb+0x130/0x360 [13962.975827][ T7704] netlink_unicast+0x449/0x710 [13962.975827][ T7704] netlink_sendmsg+0x723/0xbe0 [13962.975827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13962.975827][ T7704] ___sys_sendmsg+0xee/0x170 [13962.975827][ T7704] __sys_sendmsg+0xcd/0x170 [13962.975827][ T7704] do_syscall_64+0xc6/0x1e0 [13962.975827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13962.975827][ T7704] [13973.199002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13973.199569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13973.199569][ T7704] netdev_get_by_index+0x5e/0x80 [13973.199569][ T7704] fib6_nh_init+0x3d8/0x15b0 [13973.199569][ T7704] ip6_route_info_create+0xf18/0x17d0 [13973.199569][ T7704] ip6_route_add+0x1c/0x140 [13973.199569][ T7704] addrconf_prefix_route+0x2a6/0x430 [13973.199569][ T7704] inet6_addr_add+0x4f8/0xa40 [13973.199569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13973.199569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13973.199569][ T7704] netlink_rcv_skb+0x130/0x360 [13973.199569][ T7704] netlink_unicast+0x449/0x710 [13973.199569][ T7704] netlink_sendmsg+0x723/0xbe0 [13973.199569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13973.199569][ T7704] ___sys_sendmsg+0xee/0x170 [13973.199569][ T7704] __sys_sendmsg+0xcd/0x170 [13973.199569][ T7704] do_syscall_64+0xc6/0x1e0 [13973.199569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13973.199569][ T7704] [13973.201829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13973.201829][ T7704] netdev_get_by_index+0x5e/0x80 [13973.201829][ T7704] fib6_nh_init+0x3d8/0x15b0 [13973.201829][ T7704] ip6_route_info_create+0xf18/0x17d0 [13973.201829][ T7704] addrconf_f6i_alloc+0x315/0x560 [13973.201829][ T7704] ipv6_add_addr+0x411/0x2000 [13973.201829][ T7704] inet6_addr_add+0x30e/0xa40 [13973.201829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13973.201829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13973.201829][ T7704] netlink_rcv_skb+0x130/0x360 [13973.201829][ T7704] netlink_unicast+0x449/0x710 [13973.201829][ T7704] netlink_sendmsg+0x723/0xbe0 [13973.201829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13973.201829][ T7704] ___sys_sendmsg+0xee/0x170 [13973.201829][ T7704] __sys_sendmsg+0xcd/0x170 [13973.201829][ T7704] do_syscall_64+0xc6/0x1e0 [13973.201829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13973.201829][ T7704] [13973.204033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13973.204033][ T7704] netdev_get_by_index+0x5e/0x80 [13973.204033][ T7704] fib6_nh_init+0x3d8/0x15b0 [13973.204033][ T7704] ip6_route_info_create+0xf18/0x17d0 [13973.204033][ T7704] ip6_route_add+0x1c/0x140 [13973.204033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13973.204033][ T7704] addrconf_add_dev+0xe2/0x170 [13973.204033][ T7704] inet6_addr_add+0x12f/0xa40 [13973.204033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13973.204033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13973.204033][ T7704] netlink_rcv_skb+0x130/0x360 [13973.204033][ T7704] netlink_unicast+0x449/0x710 [13973.204033][ T7704] netlink_sendmsg+0x723/0xbe0 [13973.204033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13973.204033][ T7704] ___sys_sendmsg+0xee/0x170 [13973.204033][ T7704] __sys_sendmsg+0xcd/0x170 [13973.204033][ T7704] do_syscall_64+0xc6/0x1e0 [13973.204033][ T7704] [13973.206178][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13973.206178][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13973.206178][ T7704] ipv6_find_idev+0x102/0x170 [13973.206178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13973.206178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13973.206178][ T7704] netlink_rcv_skb+0x130/0x360 [13973.206178][ T7704] netlink_unicast+0x449/0x710 [13973.206178][ T7704] netlink_sendmsg+0x723/0xbe0 [13973.206178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13973.206178][ T7704] ___sys_sendmsg+0xee/0x170 [13973.206178][ T7704] __sys_sendmsg+0xcd/0x170 [13973.206178][ T7704] do_syscall_64+0xc6/0x1e0 [13973.206178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13973.206178][ T7704] [13973.207845][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13973.207845][ T7704] neigh_parms_alloc+0x1e5/0x510 [13973.207845][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13973.207845][ T7704] ipv6_find_idev+0x102/0x170 [13973.207845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13973.207845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13973.207845][ T7704] netlink_rcv_skb+0x130/0x360 [13973.207845][ T7704] netlink_unicast+0x449/0x710 [13973.207845][ T7704] netlink_sendmsg+0x723/0xbe0 [13973.207845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13973.207845][ T7704] ___sys_sendmsg+0xee/0x170 [13973.207845][ T7704] __sys_sendmsg+0xcd/0x170 [13973.207845][ T7704] do_syscall_64+0xc6/0x1e0 [13973.207845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13973.207845][ T7704] [13983.238935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13983.239435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13983.239435][ T7704] netdev_get_by_index+0x5e/0x80 [13983.239435][ T7704] fib6_nh_init+0x3d8/0x15b0 [13983.239435][ T7704] ip6_route_info_create+0xf18/0x17d0 [13983.239435][ T7704] ip6_route_add+0x1c/0x140 [13983.239435][ T7704] addrconf_prefix_route+0x2a6/0x430 [13983.239435][ T7704] inet6_addr_add+0x4f8/0xa40 [13983.239435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13983.239435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13983.239435][ T7704] netlink_rcv_skb+0x130/0x360 [13983.239435][ T7704] netlink_unicast+0x449/0x710 [13983.239435][ T7704] netlink_sendmsg+0x723/0xbe0 [13983.239435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13983.239435][ T7704] ___sys_sendmsg+0xee/0x170 [13983.239435][ T7704] __sys_sendmsg+0xcd/0x170 [13983.239435][ T7704] do_syscall_64+0xc6/0x1e0 [13983.239435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13983.239435][ T7704] [13983.241683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13983.241683][ T7704] netdev_get_by_index+0x5e/0x80 [13983.241683][ T7704] fib6_nh_init+0x3d8/0x15b0 [13983.241683][ T7704] ip6_route_info_create+0xf18/0x17d0 [13983.241683][ T7704] addrconf_f6i_alloc+0x315/0x560 [13983.241683][ T7704] ipv6_add_addr+0x411/0x2000 [13983.241683][ T7704] inet6_addr_add+0x30e/0xa40 [13983.241683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13983.241683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13983.241683][ T7704] netlink_rcv_skb+0x130/0x360 [13983.241683][ T7704] netlink_unicast+0x449/0x710 [13983.241683][ T7704] netlink_sendmsg+0x723/0xbe0 [13983.241683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13983.241683][ T7704] ___sys_sendmsg+0xee/0x170 [13983.241683][ T7704] __sys_sendmsg+0xcd/0x170 [13983.241683][ T7704] do_syscall_64+0xc6/0x1e0 [13983.241683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13983.241683][ T7704] [13983.243904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13983.243904][ T7704] netdev_get_by_index+0x5e/0x80 [13983.243904][ T7704] fib6_nh_init+0x3d8/0x15b0 [13983.243904][ T7704] ip6_route_info_create+0xf18/0x17d0 [13983.243904][ T7704] ip6_route_add+0x1c/0x140 [13983.243904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13983.243904][ T7704] addrconf_add_dev+0xe2/0x170 [13983.243904][ T7704] inet6_addr_add+0x12f/0xa40 [13983.243904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13983.243904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13983.243904][ T7704] netlink_rcv_skb+0x130/0x360 [13983.243904][ T7704] netlink_unicast+0x449/0x710 [13983.243904][ T7704] netlink_sendmsg+0x723/0xbe0 [13983.243904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13983.243904][ T7704] ___sys_sendmsg+0xee/0x170 [13983.243904][ T7704] __sys_sendmsg+0xcd/0x170 [13983.243904][ T7704] do_syscall_64+0xc6/0x1e0 [13983.243904][ T7704] [13983.246098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13983.246098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13983.246098][ T7704] ipv6_find_idev+0x102/0x170 [13983.246098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13983.246098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13983.246098][ T7704] netlink_rcv_skb+0x130/0x360 [13983.246098][ T7704] netlink_unicast+0x449/0x710 [13983.246098][ T7704] netlink_sendmsg+0x723/0xbe0 [13983.246098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13983.246098][ T7704] ___sys_sendmsg+0xee/0x170 [13983.246098][ T7704] __sys_sendmsg+0xcd/0x170 [13983.246098][ T7704] do_syscall_64+0xc6/0x1e0 [13983.246098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13983.246098][ T7704] [13983.248313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13983.248313][ T7704] neigh_parms_alloc+0x1e5/0x510 [13983.248313][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13983.248313][ T7704] ipv6_find_idev+0x102/0x170 [13983.248313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13983.248313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13983.248313][ T7704] netlink_rcv_skb+0x130/0x360 [13983.248313][ T7704] netlink_unicast+0x449/0x710 [13983.248313][ T7704] netlink_sendmsg+0x723/0xbe0 [13983.248313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13983.248313][ T7704] ___sys_sendmsg+0xee/0x170 [13983.248313][ T7704] __sys_sendmsg+0xcd/0x170 [13983.248313][ T7704] do_syscall_64+0xc6/0x1e0 [13983.248313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13983.248313][ T7704] [13993.839093][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13993.839639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13993.839639][ T7704] netdev_get_by_index+0x5e/0x80 [13993.839639][ T7704] fib6_nh_init+0x3d8/0x15b0 [13993.839639][ T7704] ip6_route_info_create+0xf18/0x17d0 [13993.839639][ T7704] ip6_route_add+0x1c/0x140 [13993.839639][ T7704] addrconf_prefix_route+0x2a6/0x430 [13993.839639][ T7704] inet6_addr_add+0x4f8/0xa40 [13993.839639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13993.839639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13993.839639][ T7704] netlink_rcv_skb+0x130/0x360 [13993.839639][ T7704] netlink_unicast+0x449/0x710 [13993.839639][ T7704] netlink_sendmsg+0x723/0xbe0 [13993.839639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13993.839639][ T7704] ___sys_sendmsg+0xee/0x170 [13993.839639][ T7704] __sys_sendmsg+0xcd/0x170 [13993.839639][ T7704] do_syscall_64+0xc6/0x1e0 [13993.839639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13993.839639][ T7704] [13993.841900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13993.841900][ T7704] netdev_get_by_index+0x5e/0x80 [13993.841900][ T7704] fib6_nh_init+0x3d8/0x15b0 [13993.841900][ T7704] ip6_route_info_create+0xf18/0x17d0 [13993.841900][ T7704] addrconf_f6i_alloc+0x315/0x560 [13993.841900][ T7704] ipv6_add_addr+0x411/0x2000 [13993.841900][ T7704] inet6_addr_add+0x30e/0xa40 [13993.841900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13993.841900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13993.841900][ T7704] netlink_rcv_skb+0x130/0x360 [13993.841900][ T7704] netlink_unicast+0x449/0x710 [13993.841900][ T7704] netlink_sendmsg+0x723/0xbe0 [13993.841900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13993.841900][ T7704] ___sys_sendmsg+0xee/0x170 [13993.841900][ T7704] __sys_sendmsg+0xcd/0x170 [13993.841900][ T7704] do_syscall_64+0xc6/0x1e0 [13993.841900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13993.841900][ T7704] [13993.844142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13993.844142][ T7704] netdev_get_by_index+0x5e/0x80 [13993.844142][ T7704] fib6_nh_init+0x3d8/0x15b0 [13993.844142][ T7704] ip6_route_info_create+0xf18/0x17d0 [13993.844142][ T7704] ip6_route_add+0x1c/0x140 [13993.844142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13993.844142][ T7704] addrconf_add_dev+0xe2/0x170 [13993.844142][ T7704] inet6_addr_add+0x12f/0xa40 [13993.844142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13993.844142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13993.844142][ T7704] netlink_rcv_skb+0x130/0x360 [13993.844142][ T7704] netlink_unicast+0x449/0x710 [13993.844142][ T7704] netlink_sendmsg+0x723/0xbe0 [13993.844142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13993.844142][ T7704] ___sys_sendmsg+0xee/0x170 [13993.844142][ T7704] __sys_sendmsg+0xcd/0x170 [13993.844142][ T7704] do_syscall_64+0xc6/0x1e0 [13993.844142][ T7704] [13993.846357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13993.846357][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13993.846357][ T7704] ipv6_find_idev+0x102/0x170 [13993.846357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13993.846357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13993.846357][ T7704] netlink_rcv_skb+0x130/0x360 [13993.846357][ T7704] netlink_unicast+0x449/0x710 [13993.846357][ T7704] netlink_sendmsg+0x723/0xbe0 [13993.846357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13993.846357][ T7704] ___sys_sendmsg+0xee/0x170 [13993.846357][ T7704] __sys_sendmsg+0xcd/0x170 [13993.846357][ T7704] do_syscall_64+0xc6/0x1e0 [13993.846357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13993.846357][ T7704] [13993.848083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [13993.848083][ T7704] neigh_parms_alloc+0x1e5/0x510 [13993.848083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13993.848083][ T7704] ipv6_find_idev+0x102/0x170 [13993.848083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13993.848083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13993.848083][ T7704] netlink_rcv_skb+0x130/0x360 [13993.848083][ T7704] netlink_unicast+0x449/0x710 [13993.848083][ T7704] netlink_sendmsg+0x723/0xbe0 [13993.848083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13993.848083][ T7704] ___sys_sendmsg+0xee/0x170 [13993.848083][ T7704] __sys_sendmsg+0xcd/0x170 [13993.848083][ T7704] do_syscall_64+0xc6/0x1e0 [13993.848083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13993.848083][ T7704] [14003.935003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14003.935534][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14003.935534][ T7704] netdev_get_by_index+0x5e/0x80 [14003.935534][ T7704] fib6_nh_init+0x3d8/0x15b0 [14003.935534][ T7704] ip6_route_info_create+0xf18/0x17d0 [14003.935534][ T7704] ip6_route_add+0x1c/0x140 [14003.935534][ T7704] addrconf_prefix_route+0x2a6/0x430 [14003.935534][ T7704] inet6_addr_add+0x4f8/0xa40 [14003.935534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14003.935534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14003.935534][ T7704] netlink_rcv_skb+0x130/0x360 [14003.935534][ T7704] netlink_unicast+0x449/0x710 [14003.935534][ T7704] netlink_sendmsg+0x723/0xbe0 [14003.935534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14003.935534][ T7704] ___sys_sendmsg+0xee/0x170 [14003.935534][ T7704] __sys_sendmsg+0xcd/0x170 [14003.935534][ T7704] do_syscall_64+0xc6/0x1e0 [14003.935534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14003.935534][ T7704] [14003.937780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14003.937780][ T7704] netdev_get_by_index+0x5e/0x80 [14003.937780][ T7704] fib6_nh_init+0x3d8/0x15b0 [14003.937780][ T7704] ip6_route_info_create+0xf18/0x17d0 [14003.937780][ T7704] addrconf_f6i_alloc+0x315/0x560 [14003.937780][ T7704] ipv6_add_addr+0x411/0x2000 [14003.937780][ T7704] inet6_addr_add+0x30e/0xa40 [14003.937780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14003.937780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14003.937780][ T7704] netlink_rcv_skb+0x130/0x360 [14003.937780][ T7704] netlink_unicast+0x449/0x710 [14003.937780][ T7704] netlink_sendmsg+0x723/0xbe0 [14003.937780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14003.937780][ T7704] ___sys_sendmsg+0xee/0x170 [14003.937780][ T7704] __sys_sendmsg+0xcd/0x170 [14003.937780][ T7704] do_syscall_64+0xc6/0x1e0 [14003.937780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14003.937780][ T7704] [14003.940002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14003.940002][ T7704] netdev_get_by_index+0x5e/0x80 [14003.940002][ T7704] fib6_nh_init+0x3d8/0x15b0 [14003.940002][ T7704] ip6_route_info_create+0xf18/0x17d0 [14003.940002][ T7704] ip6_route_add+0x1c/0x140 [14003.940002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14003.940002][ T7704] addrconf_add_dev+0xe2/0x170 [14003.940002][ T7704] inet6_addr_add+0x12f/0xa40 [14003.940002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14003.940002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14003.940002][ T7704] netlink_rcv_skb+0x130/0x360 [14003.940002][ T7704] netlink_unicast+0x449/0x710 [14003.940002][ T7704] netlink_sendmsg+0x723/0xbe0 [14003.940002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14003.940002][ T7704] ___sys_sendmsg+0xee/0x170 [14003.940002][ T7704] __sys_sendmsg+0xcd/0x170 [14003.940002][ T7704] do_syscall_64+0xc6/0x1e0 [14003.940002][ T7704] [14003.942201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14003.942201][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14003.942201][ T7704] ipv6_find_idev+0x102/0x170 [14003.942201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14003.942201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14003.942201][ T7704] netlink_rcv_skb+0x130/0x360 [14003.942201][ T7704] netlink_unicast+0x449/0x710 [14003.942201][ T7704] netlink_sendmsg+0x723/0xbe0 [14003.942201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14003.942201][ T7704] ___sys_sendmsg+0xee/0x170 [14003.942201][ T7704] __sys_sendmsg+0xcd/0x170 [14003.942201][ T7704] do_syscall_64+0xc6/0x1e0 [14003.942201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14003.942201][ T7704] [14003.943943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14003.943943][ T7704] neigh_parms_alloc+0x1e5/0x510 [14003.943943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14003.943943][ T7704] ipv6_find_idev+0x102/0x170 [14003.943943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14003.943943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14003.943943][ T7704] netlink_rcv_skb+0x130/0x360 [14003.943943][ T7704] netlink_unicast+0x449/0x710 [14003.943943][ T7704] netlink_sendmsg+0x723/0xbe0 [14003.943943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14003.943943][ T7704] ___sys_sendmsg+0xee/0x170 [14003.943943][ T7704] __sys_sendmsg+0xcd/0x170 [14003.943943][ T7704] do_syscall_64+0xc6/0x1e0 [14003.943943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14003.943943][ T7704] [14014.143014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14014.143625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14014.143625][ T7704] netdev_get_by_index+0x5e/0x80 [14014.143625][ T7704] fib6_nh_init+0x3d8/0x15b0 [14014.143625][ T7704] ip6_route_info_create+0xf18/0x17d0 [14014.143625][ T7704] ip6_route_add+0x1c/0x140 [14014.143625][ T7704] addrconf_prefix_route+0x2a6/0x430 [14014.143625][ T7704] inet6_addr_add+0x4f8/0xa40 [14014.143625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14014.143625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14014.143625][ T7704] netlink_rcv_skb+0x130/0x360 [14014.143625][ T7704] netlink_unicast+0x449/0x710 [14014.143625][ T7704] netlink_sendmsg+0x723/0xbe0 [14014.143625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14014.143625][ T7704] ___sys_sendmsg+0xee/0x170 [14014.143625][ T7704] __sys_sendmsg+0xcd/0x170 [14014.143625][ T7704] do_syscall_64+0xc6/0x1e0 [14014.143625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14014.143625][ T7704] [14014.146402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14014.146402][ T7704] netdev_get_by_index+0x5e/0x80 [14014.146402][ T7704] fib6_nh_init+0x3d8/0x15b0 [14014.146402][ T7704] ip6_route_info_create+0xf18/0x17d0 [14014.146402][ T7704] addrconf_f6i_alloc+0x315/0x560 [14014.146402][ T7704] ipv6_add_addr+0x411/0x2000 [14014.146402][ T7704] inet6_addr_add+0x30e/0xa40 [14014.146402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14014.146402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14014.146402][ T7704] netlink_rcv_skb+0x130/0x360 [14014.146402][ T7704] netlink_unicast+0x449/0x710 [14014.146402][ T7704] netlink_sendmsg+0x723/0xbe0 [14014.146402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14014.146402][ T7704] ___sys_sendmsg+0xee/0x170 [14014.146402][ T7704] __sys_sendmsg+0xcd/0x170 [14014.146402][ T7704] do_syscall_64+0xc6/0x1e0 [14014.146402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14014.146402][ T7704] [14014.148649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14014.148649][ T7704] netdev_get_by_index+0x5e/0x80 [14014.148649][ T7704] fib6_nh_init+0x3d8/0x15b0 [14014.148649][ T7704] ip6_route_info_create+0xf18/0x17d0 [14014.148649][ T7704] ip6_route_add+0x1c/0x140 [14014.148649][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14014.148649][ T7704] addrconf_add_dev+0xe2/0x170 [14014.148649][ T7704] inet6_addr_add+0x12f/0xa40 [14014.148649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14014.148649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14014.148649][ T7704] netlink_rcv_skb+0x130/0x360 [14014.148649][ T7704] netlink_unicast+0x449/0x710 [14014.148649][ T7704] netlink_sendmsg+0x723/0xbe0 [14014.148649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14014.148649][ T7704] ___sys_sendmsg+0xee/0x170 [14014.148649][ T7704] __sys_sendmsg+0xcd/0x170 [14014.148649][ T7704] do_syscall_64+0xc6/0x1e0 [14014.148649][ T7704] [14014.150789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14014.150789][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14014.150789][ T7704] ipv6_find_idev+0x102/0x170 [14014.150789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14014.150789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14014.150789][ T7704] netlink_rcv_skb+0x130/0x360 [14014.150789][ T7704] netlink_unicast+0x449/0x710 [14014.150789][ T7704] netlink_sendmsg+0x723/0xbe0 [14014.150789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14014.150789][ T7704] ___sys_sendmsg+0xee/0x170 [14014.150789][ T7704] __sys_sendmsg+0xcd/0x170 [14014.150789][ T7704] do_syscall_64+0xc6/0x1e0 [14014.150789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14014.150789][ T7704] [14014.152456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14014.152456][ T7704] neigh_parms_alloc+0x1e5/0x510 [14014.152456][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14014.152456][ T7704] ipv6_find_idev+0x102/0x170 [14014.152456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14014.152456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14014.152456][ T7704] netlink_rcv_skb+0x130/0x360 [14014.152456][ T7704] netlink_unicast+0x449/0x710 [14014.152456][ T7704] netlink_sendmsg+0x723/0xbe0 [14014.152456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14014.152456][ T7704] ___sys_sendmsg+0xee/0x170 [14014.152456][ T7704] __sys_sendmsg+0xcd/0x170 [14014.152456][ T7704] do_syscall_64+0xc6/0x1e0 [14014.152456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14014.152456][ T7704] [14024.399005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14024.399539][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14024.399539][ T7704] netdev_get_by_index+0x5e/0x80 [14024.399539][ T7704] fib6_nh_init+0x3d8/0x15b0 [14024.399539][ T7704] ip6_route_info_create+0xf18/0x17d0 [14024.399539][ T7704] ip6_route_add+0x1c/0x140 [14024.399539][ T7704] addrconf_prefix_route+0x2a6/0x430 [14024.399539][ T7704] inet6_addr_add+0x4f8/0xa40 [14024.399539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14024.399539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14024.399539][ T7704] netlink_rcv_skb+0x130/0x360 [14024.399539][ T7704] netlink_unicast+0x449/0x710 [14024.399539][ T7704] netlink_sendmsg+0x723/0xbe0 [14024.399539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14024.399539][ T7704] ___sys_sendmsg+0xee/0x170 [14024.399539][ T7704] __sys_sendmsg+0xcd/0x170 [14024.399539][ T7704] do_syscall_64+0xc6/0x1e0 [14024.399539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14024.399539][ T7704] [14024.401748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14024.401748][ T7704] netdev_get_by_index+0x5e/0x80 [14024.401748][ T7704] fib6_nh_init+0x3d8/0x15b0 [14024.401748][ T7704] ip6_route_info_create+0xf18/0x17d0 [14024.401748][ T7704] addrconf_f6i_alloc+0x315/0x560 [14024.401748][ T7704] ipv6_add_addr+0x411/0x2000 [14024.401748][ T7704] inet6_addr_add+0x30e/0xa40 [14024.401748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14024.401748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14024.401748][ T7704] netlink_rcv_skb+0x130/0x360 [14024.401748][ T7704] netlink_unicast+0x449/0x710 [14024.401748][ T7704] netlink_sendmsg+0x723/0xbe0 [14024.401748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14024.401748][ T7704] ___sys_sendmsg+0xee/0x170 [14024.401748][ T7704] __sys_sendmsg+0xcd/0x170 [14024.401748][ T7704] do_syscall_64+0xc6/0x1e0 [14024.401748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14024.401748][ T7704] [14024.403943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14024.403943][ T7704] netdev_get_by_index+0x5e/0x80 [14024.403943][ T7704] fib6_nh_init+0x3d8/0x15b0 [14024.403943][ T7704] ip6_route_info_create+0xf18/0x17d0 [14024.403943][ T7704] ip6_route_add+0x1c/0x140 [14024.403943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14024.403943][ T7704] addrconf_add_dev+0xe2/0x170 [14024.403943][ T7704] inet6_addr_add+0x12f/0xa40 [14024.403943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14024.403943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14024.403943][ T7704] netlink_rcv_skb+0x130/0x360 [14024.403943][ T7704] netlink_unicast+0x449/0x710 [14024.403943][ T7704] netlink_sendmsg+0x723/0xbe0 [14024.403943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14024.403943][ T7704] ___sys_sendmsg+0xee/0x170 [14024.403943][ T7704] __sys_sendmsg+0xcd/0x170 [14024.403943][ T7704] do_syscall_64+0xc6/0x1e0 [14024.403943][ T7704] [14024.406163][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14024.406163][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14024.406163][ T7704] ipv6_find_idev+0x102/0x170 [14024.406163][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14024.406163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14024.406163][ T7704] netlink_rcv_skb+0x130/0x360 [14024.406163][ T7704] netlink_unicast+0x449/0x710 [14024.406163][ T7704] netlink_sendmsg+0x723/0xbe0 [14024.406163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14024.406163][ T7704] ___sys_sendmsg+0xee/0x170 [14024.406163][ T7704] __sys_sendmsg+0xcd/0x170 [14024.406163][ T7704] do_syscall_64+0xc6/0x1e0 [14024.406163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14024.406163][ T7704] [14024.407849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14024.407849][ T7704] neigh_parms_alloc+0x1e5/0x510 [14024.407849][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14024.407849][ T7704] ipv6_find_idev+0x102/0x170 [14024.407849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14024.407849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14024.407849][ T7704] netlink_rcv_skb+0x130/0x360 [14024.407849][ T7704] netlink_unicast+0x449/0x710 [14024.407849][ T7704] netlink_sendmsg+0x723/0xbe0 [14024.407849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14024.407849][ T7704] ___sys_sendmsg+0xee/0x170 [14024.407849][ T7704] __sys_sendmsg+0xcd/0x170 [14024.407849][ T7704] do_syscall_64+0xc6/0x1e0 [14024.407849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14024.407849][ T7704] [14034.655033][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14034.655656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14034.655656][ T7704] netdev_get_by_index+0x5e/0x80 [14034.655656][ T7704] fib6_nh_init+0x3d8/0x15b0 [14034.655656][ T7704] ip6_route_info_create+0xf18/0x17d0 [14034.655656][ T7704] ip6_route_add+0x1c/0x140 [14034.655656][ T7704] addrconf_prefix_route+0x2a6/0x430 [14034.655656][ T7704] inet6_addr_add+0x4f8/0xa40 [14034.655656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14034.655656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14034.655656][ T7704] netlink_rcv_skb+0x130/0x360 [14034.655656][ T7704] netlink_unicast+0x449/0x710 [14034.655656][ T7704] netlink_sendmsg+0x723/0xbe0 [14034.655656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14034.655656][ T7704] ___sys_sendmsg+0xee/0x170 [14034.655656][ T7704] __sys_sendmsg+0xcd/0x170 [14034.655656][ T7704] do_syscall_64+0xc6/0x1e0 [14034.655656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14034.655656][ T7704] [14034.657879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14034.657879][ T7704] netdev_get_by_index+0x5e/0x80 [14034.657879][ T7704] fib6_nh_init+0x3d8/0x15b0 [14034.657879][ T7704] ip6_route_info_create+0xf18/0x17d0 [14034.657879][ T7704] addrconf_f6i_alloc+0x315/0x560 [14034.657879][ T7704] ipv6_add_addr+0x411/0x2000 [14034.657879][ T7704] inet6_addr_add+0x30e/0xa40 [14034.657879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14034.657879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14034.657879][ T7704] netlink_rcv_skb+0x130/0x360 [14034.657879][ T7704] netlink_unicast+0x449/0x710 [14034.657879][ T7704] netlink_sendmsg+0x723/0xbe0 [14034.657879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14034.657879][ T7704] ___sys_sendmsg+0xee/0x170 [14034.657879][ T7704] __sys_sendmsg+0xcd/0x170 [14034.657879][ T7704] do_syscall_64+0xc6/0x1e0 [14034.657879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14034.657879][ T7704] [14034.660044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14034.660044][ T7704] netdev_get_by_index+0x5e/0x80 [14034.660044][ T7704] fib6_nh_init+0x3d8/0x15b0 [14034.660044][ T7704] ip6_route_info_create+0xf18/0x17d0 [14034.660044][ T7704] ip6_route_add+0x1c/0x140 [14034.660044][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14034.660044][ T7704] addrconf_add_dev+0xe2/0x170 [14034.660044][ T7704] inet6_addr_add+0x12f/0xa40 [14034.660044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14034.660044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14034.660044][ T7704] netlink_rcv_skb+0x130/0x360 [14034.660044][ T7704] netlink_unicast+0x449/0x710 [14034.660044][ T7704] netlink_sendmsg+0x723/0xbe0 [14034.660044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14034.660044][ T7704] ___sys_sendmsg+0xee/0x170 [14034.660044][ T7704] __sys_sendmsg+0xcd/0x170 [14034.660044][ T7704] do_syscall_64+0xc6/0x1e0 [14034.660044][ T7704] [14034.662180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14034.662180][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14034.662180][ T7704] ipv6_find_idev+0x102/0x170 [14034.662180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14034.662180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14034.662180][ T7704] netlink_rcv_skb+0x130/0x360 [14034.662180][ T7704] netlink_unicast+0x449/0x710 [14034.662180][ T7704] netlink_sendmsg+0x723/0xbe0 [14034.662180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14034.662180][ T7704] ___sys_sendmsg+0xee/0x170 [14034.662180][ T7704] __sys_sendmsg+0xcd/0x170 [14034.662180][ T7704] do_syscall_64+0xc6/0x1e0 [14034.662180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14034.662180][ T7704] [14034.663850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14034.663850][ T7704] neigh_parms_alloc+0x1e5/0x510 [14034.663850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14034.663850][ T7704] ipv6_find_idev+0x102/0x170 [14034.663850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14034.663850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14034.663850][ T7704] netlink_rcv_skb+0x130/0x360 [14034.663850][ T7704] netlink_unicast+0x449/0x710 [14034.663850][ T7704] netlink_sendmsg+0x723/0xbe0 [14034.663850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14034.663850][ T7704] ___sys_sendmsg+0xee/0x170 [14034.663850][ T7704] __sys_sendmsg+0xcd/0x170 [14034.663850][ T7704] do_syscall_64+0xc6/0x1e0 [14034.663850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14034.663850][ T7704] [14044.919000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14044.919527][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14044.919527][ T7704] netdev_get_by_index+0x5e/0x80 [14044.919527][ T7704] fib6_nh_init+0x3d8/0x15b0 [14044.919527][ T7704] ip6_route_info_create+0xf18/0x17d0 [14044.919527][ T7704] ip6_route_add+0x1c/0x140 [14044.919527][ T7704] addrconf_prefix_route+0x2a6/0x430 [14044.919527][ T7704] inet6_addr_add+0x4f8/0xa40 [14044.919527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14044.919527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14044.919527][ T7704] netlink_rcv_skb+0x130/0x360 [14044.919527][ T7704] netlink_unicast+0x449/0x710 [14044.919527][ T7704] netlink_sendmsg+0x723/0xbe0 [14044.919527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14044.919527][ T7704] ___sys_sendmsg+0xee/0x170 [14044.919527][ T7704] __sys_sendmsg+0xcd/0x170 [14044.919527][ T7704] do_syscall_64+0xc6/0x1e0 [14044.919527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14044.919527][ T7704] [14044.921786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14044.921786][ T7704] netdev_get_by_index+0x5e/0x80 [14044.921786][ T7704] fib6_nh_init+0x3d8/0x15b0 [14044.921786][ T7704] ip6_route_info_create+0xf18/0x17d0 [14044.921786][ T7704] addrconf_f6i_alloc+0x315/0x560 [14044.921786][ T7704] ipv6_add_addr+0x411/0x2000 [14044.921786][ T7704] inet6_addr_add+0x30e/0xa40 [14044.921786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14044.921786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14044.921786][ T7704] netlink_rcv_skb+0x130/0x360 [14044.921786][ T7704] netlink_unicast+0x449/0x710 [14044.921786][ T7704] netlink_sendmsg+0x723/0xbe0 [14044.921786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14044.921786][ T7704] ___sys_sendmsg+0xee/0x170 [14044.921786][ T7704] __sys_sendmsg+0xcd/0x170 [14044.921786][ T7704] do_syscall_64+0xc6/0x1e0 [14044.921786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14044.921786][ T7704] [14044.923990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14044.923990][ T7704] netdev_get_by_index+0x5e/0x80 [14044.923990][ T7704] fib6_nh_init+0x3d8/0x15b0 [14044.923990][ T7704] ip6_route_info_create+0xf18/0x17d0 [14044.923990][ T7704] ip6_route_add+0x1c/0x140 [14044.923990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14044.923990][ T7704] addrconf_add_dev+0xe2/0x170 [14044.923990][ T7704] inet6_addr_add+0x12f/0xa40 [14044.923990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14044.923990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14044.923990][ T7704] netlink_rcv_skb+0x130/0x360 [14044.923990][ T7704] netlink_unicast+0x449/0x710 [14044.923990][ T7704] netlink_sendmsg+0x723/0xbe0 [14044.923990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14044.923990][ T7704] ___sys_sendmsg+0xee/0x170 [14044.923990][ T7704] __sys_sendmsg+0xcd/0x170 [14044.923990][ T7704] do_syscall_64+0xc6/0x1e0 [14044.923990][ T7704] [14044.926178][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14044.926178][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14044.926178][ T7704] ipv6_find_idev+0x102/0x170 [14044.926178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14044.926178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14044.926178][ T7704] netlink_rcv_skb+0x130/0x360 [14044.926178][ T7704] netlink_unicast+0x449/0x710 [14044.926178][ T7704] netlink_sendmsg+0x723/0xbe0 [14044.926178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14044.926178][ T7704] ___sys_sendmsg+0xee/0x170 [14044.926178][ T7704] __sys_sendmsg+0xcd/0x170 [14044.926178][ T7704] do_syscall_64+0xc6/0x1e0 [14044.926178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14044.926178][ T7704] [14044.927856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14044.927856][ T7704] neigh_parms_alloc+0x1e5/0x510 [14044.927856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14044.927856][ T7704] ipv6_find_idev+0x102/0x170 [14044.927856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14044.927856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14044.927856][ T7704] netlink_rcv_skb+0x130/0x360 [14044.927856][ T7704] netlink_unicast+0x449/0x710 [14044.927856][ T7704] netlink_sendmsg+0x723/0xbe0 [14044.927856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14044.927856][ T7704] ___sys_sendmsg+0xee/0x170 [14044.927856][ T7704] __sys_sendmsg+0xcd/0x170 [14044.927856][ T7704] do_syscall_64+0xc6/0x1e0 [14044.927856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14044.927856][ T7704] [14054.934937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14054.935362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14054.935362][ T7704] netdev_get_by_index+0x5e/0x80 [14054.935362][ T7704] fib6_nh_init+0x3d8/0x15b0 [14054.935362][ T7704] ip6_route_info_create+0xf18/0x17d0 [14054.935362][ T7704] ip6_route_add+0x1c/0x140 [14054.935362][ T7704] addrconf_prefix_route+0x2a6/0x430 [14054.935362][ T7704] inet6_addr_add+0x4f8/0xa40 [14054.935362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14054.935362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14054.935362][ T7704] netlink_rcv_skb+0x130/0x360 [14054.935362][ T7704] netlink_unicast+0x449/0x710 [14054.935362][ T7704] netlink_sendmsg+0x723/0xbe0 [14054.935362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14054.935362][ T7704] ___sys_sendmsg+0xee/0x170 [14054.935362][ T7704] __sys_sendmsg+0xcd/0x170 [14054.935362][ T7704] do_syscall_64+0xc6/0x1e0 [14054.935362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14054.935362][ T7704] [14054.937594][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14054.937594][ T7704] netdev_get_by_index+0x5e/0x80 [14054.937594][ T7704] fib6_nh_init+0x3d8/0x15b0 [14054.937594][ T7704] ip6_route_info_create+0xf18/0x17d0 [14054.937594][ T7704] addrconf_f6i_alloc+0x315/0x560 [14054.937594][ T7704] ipv6_add_addr+0x411/0x2000 [14054.937594][ T7704] inet6_addr_add+0x30e/0xa40 [14054.937594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14054.937594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14054.937594][ T7704] netlink_rcv_skb+0x130/0x360 [14054.937594][ T7704] netlink_unicast+0x449/0x710 [14054.937594][ T7704] netlink_sendmsg+0x723/0xbe0 [14054.937594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14054.937594][ T7704] ___sys_sendmsg+0xee/0x170 [14054.937594][ T7704] __sys_sendmsg+0xcd/0x170 [14054.937594][ T7704] do_syscall_64+0xc6/0x1e0 [14054.937594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14054.937594][ T7704] [14054.939818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14054.939818][ T7704] netdev_get_by_index+0x5e/0x80 [14054.939818][ T7704] fib6_nh_init+0x3d8/0x15b0 [14054.939818][ T7704] ip6_route_info_create+0xf18/0x17d0 [14054.939818][ T7704] ip6_route_add+0x1c/0x140 [14054.939818][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14054.939818][ T7704] addrconf_add_dev+0xe2/0x170 [14054.939818][ T7704] inet6_addr_add+0x12f/0xa40 [14054.939818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14054.939818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14054.939818][ T7704] netlink_rcv_skb+0x130/0x360 [14054.939818][ T7704] netlink_unicast+0x449/0x710 [14054.939818][ T7704] netlink_sendmsg+0x723/0xbe0 [14054.939818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14054.939818][ T7704] ___sys_sendmsg+0xee/0x170 [14054.939818][ T7704] __sys_sendmsg+0xcd/0x170 [14054.939818][ T7704] do_syscall_64+0xc6/0x1e0 [14054.939818][ T7704] [14054.941993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14054.941993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14054.941993][ T7704] ipv6_find_idev+0x102/0x170 [14054.941993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14054.941993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14054.941993][ T7704] netlink_rcv_skb+0x130/0x360 [14054.941993][ T7704] netlink_unicast+0x449/0x710 [14054.941993][ T7704] netlink_sendmsg+0x723/0xbe0 [14054.941993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14054.941993][ T7704] ___sys_sendmsg+0xee/0x170 [14054.941993][ T7704] __sys_sendmsg+0xcd/0x170 [14054.941993][ T7704] do_syscall_64+0xc6/0x1e0 [14054.941993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14054.941993][ T7704] [14054.943698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14054.943698][ T7704] neigh_parms_alloc+0x1e5/0x510 [14054.943698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14054.943698][ T7704] ipv6_find_idev+0x102/0x170 [14054.943698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14054.943698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14054.943698][ T7704] netlink_rcv_skb+0x130/0x360 [14054.943698][ T7704] netlink_unicast+0x449/0x710 [14054.943698][ T7704] netlink_sendmsg+0x723/0xbe0 [14054.943698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14054.943698][ T7704] ___sys_sendmsg+0xee/0x170 [14054.943698][ T7704] __sys_sendmsg+0xcd/0x170 [14054.943698][ T7704] do_syscall_64+0xc6/0x1e0 [14054.943698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14054.943698][ T7704] [14065.183022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14065.183521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14065.183521][ T7704] netdev_get_by_index+0x5e/0x80 [14065.183521][ T7704] fib6_nh_init+0x3d8/0x15b0 [14065.183521][ T7704] ip6_route_info_create+0xf18/0x17d0 [14065.183521][ T7704] ip6_route_add+0x1c/0x140 [14065.183521][ T7704] addrconf_prefix_route+0x2a6/0x430 [14065.183521][ T7704] inet6_addr_add+0x4f8/0xa40 [14065.183521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14065.183521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14065.183521][ T7704] netlink_rcv_skb+0x130/0x360 [14065.183521][ T7704] netlink_unicast+0x449/0x710 [14065.183521][ T7704] netlink_sendmsg+0x723/0xbe0 [14065.183521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14065.183521][ T7704] ___sys_sendmsg+0xee/0x170 [14065.183521][ T7704] __sys_sendmsg+0xcd/0x170 [14065.183521][ T7704] do_syscall_64+0xc6/0x1e0 [14065.183521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14065.183521][ T7704] [14065.185771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14065.185771][ T7704] netdev_get_by_index+0x5e/0x80 [14065.185771][ T7704] fib6_nh_init+0x3d8/0x15b0 [14065.185771][ T7704] ip6_route_info_create+0xf18/0x17d0 [14065.185771][ T7704] addrconf_f6i_alloc+0x315/0x560 [14065.185771][ T7704] ipv6_add_addr+0x411/0x2000 [14065.185771][ T7704] inet6_addr_add+0x30e/0xa40 [14065.185771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14065.185771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14065.185771][ T7704] netlink_rcv_skb+0x130/0x360 [14065.185771][ T7704] netlink_unicast+0x449/0x710 [14065.185771][ T7704] netlink_sendmsg+0x723/0xbe0 [14065.185771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14065.185771][ T7704] ___sys_sendmsg+0xee/0x170 [14065.185771][ T7704] __sys_sendmsg+0xcd/0x170 [14065.185771][ T7704] do_syscall_64+0xc6/0x1e0 [14065.185771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14065.185771][ T7704] [14065.188011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14065.188011][ T7704] netdev_get_by_index+0x5e/0x80 [14065.188011][ T7704] fib6_nh_init+0x3d8/0x15b0 [14065.188011][ T7704] ip6_route_info_create+0xf18/0x17d0 [14065.188011][ T7704] ip6_route_add+0x1c/0x140 [14065.188011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14065.188011][ T7704] addrconf_add_dev+0xe2/0x170 [14065.188011][ T7704] inet6_addr_add+0x12f/0xa40 [14065.188011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14065.188011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14065.188011][ T7704] netlink_rcv_skb+0x130/0x360 [14065.188011][ T7704] netlink_unicast+0x449/0x710 [14065.188011][ T7704] netlink_sendmsg+0x723/0xbe0 [14065.188011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14065.188011][ T7704] ___sys_sendmsg+0xee/0x170 [14065.188011][ T7704] __sys_sendmsg+0xcd/0x170 [14065.188011][ T7704] do_syscall_64+0xc6/0x1e0 [14065.188011][ T7704] [14065.190161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14065.190161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14065.190161][ T7704] ipv6_find_idev+0x102/0x170 [14065.190161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14065.190161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14065.190161][ T7704] netlink_rcv_skb+0x130/0x360 [14065.190161][ T7704] netlink_unicast+0x449/0x710 [14065.190161][ T7704] netlink_sendmsg+0x723/0xbe0 [14065.190161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14065.190161][ T7704] ___sys_sendmsg+0xee/0x170 [14065.190161][ T7704] __sys_sendmsg+0xcd/0x170 [14065.190161][ T7704] do_syscall_64+0xc6/0x1e0 [14065.190161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14065.190161][ T7704] [14065.191851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14065.191851][ T7704] neigh_parms_alloc+0x1e5/0x510 [14065.191851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14065.191851][ T7704] ipv6_find_idev+0x102/0x170 [14065.191851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14065.191851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14065.191851][ T7704] netlink_rcv_skb+0x130/0x360 [14065.191851][ T7704] netlink_unicast+0x449/0x710 [14065.191851][ T7704] netlink_sendmsg+0x723/0xbe0 [14065.191851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14065.191851][ T7704] ___sys_sendmsg+0xee/0x170 [14065.191851][ T7704] __sys_sendmsg+0xcd/0x170 [14065.191851][ T7704] do_syscall_64+0xc6/0x1e0 [14065.191851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14065.191851][ T7704] [14075.430950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14075.431583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14075.431583][ T7704] netdev_get_by_index+0x5e/0x80 [14075.431583][ T7704] fib6_nh_init+0x3d8/0x15b0 [14075.431583][ T7704] ip6_route_info_create+0xf18/0x17d0 [14075.431583][ T7704] ip6_route_add+0x1c/0x140 [14075.431583][ T7704] addrconf_prefix_route+0x2a6/0x430 [14075.431583][ T7704] inet6_addr_add+0x4f8/0xa40 [14075.431583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14075.431583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14075.431583][ T7704] netlink_rcv_skb+0x130/0x360 [14075.431583][ T7704] netlink_unicast+0x449/0x710 [14075.431583][ T7704] netlink_sendmsg+0x723/0xbe0 [14075.431583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14075.431583][ T7704] ___sys_sendmsg+0xee/0x170 [14075.431583][ T7704] __sys_sendmsg+0xcd/0x170 [14075.431583][ T7704] do_syscall_64+0xc6/0x1e0 [14075.431583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14075.431583][ T7704] [14075.433851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14075.433851][ T7704] netdev_get_by_index+0x5e/0x80 [14075.433851][ T7704] fib6_nh_init+0x3d8/0x15b0 [14075.433851][ T7704] ip6_route_info_create+0xf18/0x17d0 [14075.433851][ T7704] addrconf_f6i_alloc+0x315/0x560 [14075.433851][ T7704] ipv6_add_addr+0x411/0x2000 [14075.433851][ T7704] inet6_addr_add+0x30e/0xa40 [14075.433851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14075.433851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14075.433851][ T7704] netlink_rcv_skb+0x130/0x360 [14075.433851][ T7704] netlink_unicast+0x449/0x710 [14075.433851][ T7704] netlink_sendmsg+0x723/0xbe0 [14075.433851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14075.433851][ T7704] ___sys_sendmsg+0xee/0x170 [14075.433851][ T7704] __sys_sendmsg+0xcd/0x170 [14075.433851][ T7704] do_syscall_64+0xc6/0x1e0 [14075.433851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14075.433851][ T7704] [14075.436078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14075.436078][ T7704] netdev_get_by_index+0x5e/0x80 [14075.436078][ T7704] fib6_nh_init+0x3d8/0x15b0 [14075.436078][ T7704] ip6_route_info_create+0xf18/0x17d0 [14075.436078][ T7704] ip6_route_add+0x1c/0x140 [14075.436078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14075.436078][ T7704] addrconf_add_dev+0xe2/0x170 [14075.436078][ T7704] inet6_addr_add+0x12f/0xa40 [14075.436078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14075.436078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14075.436078][ T7704] netlink_rcv_skb+0x130/0x360 [14075.436078][ T7704] netlink_unicast+0x449/0x710 [14075.436078][ T7704] netlink_sendmsg+0x723/0xbe0 [14075.436078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14075.436078][ T7704] ___sys_sendmsg+0xee/0x170 [14075.436078][ T7704] __sys_sendmsg+0xcd/0x170 [14075.436078][ T7704] do_syscall_64+0xc6/0x1e0 [14075.436078][ T7704] [14075.438260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14075.438260][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14075.438260][ T7704] ipv6_find_idev+0x102/0x170 [14075.438260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14075.438260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14075.438260][ T7704] netlink_rcv_skb+0x130/0x360 [14075.438260][ T7704] netlink_unicast+0x449/0x710 [14075.438260][ T7704] netlink_sendmsg+0x723/0xbe0 [14075.438260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14075.438260][ T7704] ___sys_sendmsg+0xee/0x170 [14075.438260][ T7704] __sys_sendmsg+0xcd/0x170 [14075.438260][ T7704] do_syscall_64+0xc6/0x1e0 [14075.438260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14075.438260][ T7704] [14075.439961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14075.439961][ T7704] neigh_parms_alloc+0x1e5/0x510 [14075.439961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14075.439961][ T7704] ipv6_find_idev+0x102/0x170 [14075.439961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14075.439961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14075.439961][ T7704] netlink_rcv_skb+0x130/0x360 [14075.439961][ T7704] netlink_unicast+0x449/0x710 [14075.439961][ T7704] netlink_sendmsg+0x723/0xbe0 [14075.439961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14075.439961][ T7704] ___sys_sendmsg+0xee/0x170 [14075.439961][ T7704] __sys_sendmsg+0xcd/0x170 [14075.439961][ T7704] do_syscall_64+0xc6/0x1e0 [14075.439961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14075.439961][ T7704] [14085.679002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14085.679558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14085.679558][ T7704] netdev_get_by_index+0x5e/0x80 [14085.679558][ T7704] fib6_nh_init+0x3d8/0x15b0 [14085.679558][ T7704] ip6_route_info_create+0xf18/0x17d0 [14085.679558][ T7704] ip6_route_add+0x1c/0x140 [14085.679558][ T7704] addrconf_prefix_route+0x2a6/0x430 [14085.679558][ T7704] inet6_addr_add+0x4f8/0xa40 [14085.679558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14085.679558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14085.679558][ T7704] netlink_rcv_skb+0x130/0x360 [14085.679558][ T7704] netlink_unicast+0x449/0x710 [14085.679558][ T7704] netlink_sendmsg+0x723/0xbe0 [14085.679558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14085.679558][ T7704] ___sys_sendmsg+0xee/0x170 [14085.679558][ T7704] __sys_sendmsg+0xcd/0x170 [14085.679558][ T7704] do_syscall_64+0xc6/0x1e0 [14085.679558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14085.679558][ T7704] [14085.681743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14085.681743][ T7704] netdev_get_by_index+0x5e/0x80 [14085.681743][ T7704] fib6_nh_init+0x3d8/0x15b0 [14085.681743][ T7704] ip6_route_info_create+0xf18/0x17d0 [14085.681743][ T7704] addrconf_f6i_alloc+0x315/0x560 [14085.681743][ T7704] ipv6_add_addr+0x411/0x2000 [14085.681743][ T7704] inet6_addr_add+0x30e/0xa40 [14085.681743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14085.681743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14085.681743][ T7704] netlink_rcv_skb+0x130/0x360 [14085.681743][ T7704] netlink_unicast+0x449/0x710 [14085.681743][ T7704] netlink_sendmsg+0x723/0xbe0 [14085.681743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14085.681743][ T7704] ___sys_sendmsg+0xee/0x170 [14085.681743][ T7704] __sys_sendmsg+0xcd/0x170 [14085.681743][ T7704] do_syscall_64+0xc6/0x1e0 [14085.681743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14085.681743][ T7704] [14085.684018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14085.684018][ T7704] netdev_get_by_index+0x5e/0x80 [14085.684018][ T7704] fib6_nh_init+0x3d8/0x15b0 [14085.684018][ T7704] ip6_route_info_create+0xf18/0x17d0 [14085.684018][ T7704] ip6_route_add+0x1c/0x140 [14085.684018][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14085.684018][ T7704] addrconf_add_dev+0xe2/0x170 [14085.684018][ T7704] inet6_addr_add+0x12f/0xa40 [14085.684018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14085.684018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14085.684018][ T7704] netlink_rcv_skb+0x130/0x360 [14085.684018][ T7704] netlink_unicast+0x449/0x710 [14085.684018][ T7704] netlink_sendmsg+0x723/0xbe0 [14085.684018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14085.684018][ T7704] ___sys_sendmsg+0xee/0x170 [14085.684018][ T7704] __sys_sendmsg+0xcd/0x170 [14085.684018][ T7704] do_syscall_64+0xc6/0x1e0 [14085.684018][ T7704] [14085.686167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14085.686167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14085.686167][ T7704] ipv6_find_idev+0x102/0x170 [14085.686167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14085.686167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14085.686167][ T7704] netlink_rcv_skb+0x130/0x360 [14085.686167][ T7704] netlink_unicast+0x449/0x710 [14085.686167][ T7704] netlink_sendmsg+0x723/0xbe0 [14085.686167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14085.686167][ T7704] ___sys_sendmsg+0xee/0x170 [14085.686167][ T7704] __sys_sendmsg+0xcd/0x170 [14085.686167][ T7704] do_syscall_64+0xc6/0x1e0 [14085.686167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14085.686167][ T7704] [14085.687829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14085.687829][ T7704] neigh_parms_alloc+0x1e5/0x510 [14085.687829][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14085.687829][ T7704] ipv6_find_idev+0x102/0x170 [14085.687829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14085.687829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14085.687829][ T7704] netlink_rcv_skb+0x130/0x360 [14085.687829][ T7704] netlink_unicast+0x449/0x710 [14085.687829][ T7704] netlink_sendmsg+0x723/0xbe0 [14085.687829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14085.687829][ T7704] ___sys_sendmsg+0xee/0x170 [14085.687829][ T7704] __sys_sendmsg+0xcd/0x170 [14085.687829][ T7704] do_syscall_64+0xc6/0x1e0 [14085.687829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14085.687829][ T7704] [14095.927000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14095.927645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14095.927645][ T7704] netdev_get_by_index+0x5e/0x80 [14095.927645][ T7704] fib6_nh_init+0x3d8/0x15b0 [14095.927645][ T7704] ip6_route_info_create+0xf18/0x17d0 [14095.927645][ T7704] ip6_route_add+0x1c/0x140 [14095.927645][ T7704] addrconf_prefix_route+0x2a6/0x430 [14095.927645][ T7704] inet6_addr_add+0x4f8/0xa40 [14095.927645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14095.927645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14095.927645][ T7704] netlink_rcv_skb+0x130/0x360 [14095.927645][ T7704] netlink_unicast+0x449/0x710 [14095.927645][ T7704] netlink_sendmsg+0x723/0xbe0 [14095.927645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14095.927645][ T7704] ___sys_sendmsg+0xee/0x170 [14095.927645][ T7704] __sys_sendmsg+0xcd/0x170 [14095.927645][ T7704] do_syscall_64+0xc6/0x1e0 [14095.927645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14095.927645][ T7704] [14095.929967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14095.929967][ T7704] netdev_get_by_index+0x5e/0x80 [14095.929967][ T7704] fib6_nh_init+0x3d8/0x15b0 [14095.929967][ T7704] ip6_route_info_create+0xf18/0x17d0 [14095.929967][ T7704] addrconf_f6i_alloc+0x315/0x560 [14095.929967][ T7704] ipv6_add_addr+0x411/0x2000 [14095.929967][ T7704] inet6_addr_add+0x30e/0xa40 [14095.929967][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14095.929967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14095.929967][ T7704] netlink_rcv_skb+0x130/0x360 [14095.929967][ T7704] netlink_unicast+0x449/0x710 [14095.929967][ T7704] netlink_sendmsg+0x723/0xbe0 [14095.929967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14095.929967][ T7704] ___sys_sendmsg+0xee/0x170 [14095.929967][ T7704] __sys_sendmsg+0xcd/0x170 [14095.929967][ T7704] do_syscall_64+0xc6/0x1e0 [14095.929967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14095.929967][ T7704] [14095.932216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14095.932216][ T7704] netdev_get_by_index+0x5e/0x80 [14095.932216][ T7704] fib6_nh_init+0x3d8/0x15b0 [14095.932216][ T7704] ip6_route_info_create+0xf18/0x17d0 [14095.932216][ T7704] ip6_route_add+0x1c/0x140 [14095.932216][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14095.932216][ T7704] addrconf_add_dev+0xe2/0x170 [14095.932216][ T7704] inet6_addr_add+0x12f/0xa40 [14095.932216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14095.932216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14095.932216][ T7704] netlink_rcv_skb+0x130/0x360 [14095.932216][ T7704] netlink_unicast+0x449/0x710 [14095.932216][ T7704] netlink_sendmsg+0x723/0xbe0 [14095.932216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14095.932216][ T7704] ___sys_sendmsg+0xee/0x170 [14095.932216][ T7704] __sys_sendmsg+0xcd/0x170 [14095.932216][ T7704] do_syscall_64+0xc6/0x1e0 [14095.932216][ T7704] [14095.934432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14095.934432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14095.934432][ T7704] ipv6_find_idev+0x102/0x170 [14095.934432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14095.934432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14095.934432][ T7704] netlink_rcv_skb+0x130/0x360 [14095.934432][ T7704] netlink_unicast+0x449/0x710 [14095.934432][ T7704] netlink_sendmsg+0x723/0xbe0 [14095.934432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14095.934432][ T7704] ___sys_sendmsg+0xee/0x170 [14095.934432][ T7704] __sys_sendmsg+0xcd/0x170 [14095.934432][ T7704] do_syscall_64+0xc6/0x1e0 [14095.934432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14095.934432][ T7704] [14095.936144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14095.936144][ T7704] neigh_parms_alloc+0x1e5/0x510 [14095.936144][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14095.936144][ T7704] ipv6_find_idev+0x102/0x170 [14095.936144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14095.936144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14095.936144][ T7704] netlink_rcv_skb+0x130/0x360 [14095.936144][ T7704] netlink_unicast+0x449/0x710 [14095.936144][ T7704] netlink_sendmsg+0x723/0xbe0 [14095.936144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14095.936144][ T7704] ___sys_sendmsg+0xee/0x170 [14095.936144][ T7704] __sys_sendmsg+0xcd/0x170 [14095.936144][ T7704] do_syscall_64+0xc6/0x1e0 [14095.936144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14095.936144][ T7704] [14106.175006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14106.175460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14106.175460][ T7704] netdev_get_by_index+0x5e/0x80 [14106.175460][ T7704] fib6_nh_init+0x3d8/0x15b0 [14106.175460][ T7704] ip6_route_info_create+0xf18/0x17d0 [14106.175460][ T7704] ip6_route_add+0x1c/0x140 [14106.175460][ T7704] addrconf_prefix_route+0x2a6/0x430 [14106.175460][ T7704] inet6_addr_add+0x4f8/0xa40 [14106.175460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14106.175460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14106.175460][ T7704] netlink_rcv_skb+0x130/0x360 [14106.175460][ T7704] netlink_unicast+0x449/0x710 [14106.175460][ T7704] netlink_sendmsg+0x723/0xbe0 [14106.175460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14106.175460][ T7704] ___sys_sendmsg+0xee/0x170 [14106.175460][ T7704] __sys_sendmsg+0xcd/0x170 [14106.175460][ T7704] do_syscall_64+0xc6/0x1e0 [14106.175460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14106.175460][ T7704] [14106.177649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14106.177649][ T7704] netdev_get_by_index+0x5e/0x80 [14106.177649][ T7704] fib6_nh_init+0x3d8/0x15b0 [14106.177649][ T7704] ip6_route_info_create+0xf18/0x17d0 [14106.177649][ T7704] addrconf_f6i_alloc+0x315/0x560 [14106.177649][ T7704] ipv6_add_addr+0x411/0x2000 [14106.177649][ T7704] inet6_addr_add+0x30e/0xa40 [14106.177649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14106.177649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14106.177649][ T7704] netlink_rcv_skb+0x130/0x360 [14106.177649][ T7704] netlink_unicast+0x449/0x710 [14106.177649][ T7704] netlink_sendmsg+0x723/0xbe0 [14106.177649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14106.177649][ T7704] ___sys_sendmsg+0xee/0x170 [14106.177649][ T7704] __sys_sendmsg+0xcd/0x170 [14106.177649][ T7704] do_syscall_64+0xc6/0x1e0 [14106.177649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14106.177649][ T7704] [14106.179844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14106.179844][ T7704] netdev_get_by_index+0x5e/0x80 [14106.179844][ T7704] fib6_nh_init+0x3d8/0x15b0 [14106.179844][ T7704] ip6_route_info_create+0xf18/0x17d0 [14106.179844][ T7704] ip6_route_add+0x1c/0x140 [14106.179844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14106.179844][ T7704] addrconf_add_dev+0xe2/0x170 [14106.179844][ T7704] inet6_addr_add+0x12f/0xa40 [14106.179844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14106.179844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14106.179844][ T7704] netlink_rcv_skb+0x130/0x360 [14106.179844][ T7704] netlink_unicast+0x449/0x710 [14106.179844][ T7704] netlink_sendmsg+0x723/0xbe0 [14106.179844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14106.179844][ T7704] ___sys_sendmsg+0xee/0x170 [14106.179844][ T7704] __sys_sendmsg+0xcd/0x170 [14106.179844][ T7704] do_syscall_64+0xc6/0x1e0 [14106.179844][ T7704] [14106.181975][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14106.181975][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14106.181975][ T7704] ipv6_find_idev+0x102/0x170 [14106.181975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14106.181975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14106.181975][ T7704] netlink_rcv_skb+0x130/0x360 [14106.181975][ T7704] netlink_unicast+0x449/0x710 [14106.181975][ T7704] netlink_sendmsg+0x723/0xbe0 [14106.181975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14106.181975][ T7704] ___sys_sendmsg+0xee/0x170 [14106.181975][ T7704] __sys_sendmsg+0xcd/0x170 [14106.181975][ T7704] do_syscall_64+0xc6/0x1e0 [14106.181975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14106.181975][ T7704] [14106.183620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14106.183620][ T7704] neigh_parms_alloc+0x1e5/0x510 [14106.183620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14106.183620][ T7704] ipv6_find_idev+0x102/0x170 [14106.183620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14106.183620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14106.183620][ T7704] netlink_rcv_skb+0x130/0x360 [14106.183620][ T7704] netlink_unicast+0x449/0x710 [14106.183620][ T7704] netlink_sendmsg+0x723/0xbe0 [14106.183620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14106.183620][ T7704] ___sys_sendmsg+0xee/0x170 [14106.183620][ T7704] __sys_sendmsg+0xcd/0x170 [14106.183620][ T7704] do_syscall_64+0xc6/0x1e0 [14106.183620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14106.183620][ T7704] [14116.407000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14116.407566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14116.407566][ T7704] netdev_get_by_index+0x5e/0x80 [14116.407566][ T7704] fib6_nh_init+0x3d8/0x15b0 [14116.407566][ T7704] ip6_route_info_create+0xf18/0x17d0 [14116.407566][ T7704] ip6_route_add+0x1c/0x140 [14116.407566][ T7704] addrconf_prefix_route+0x2a6/0x430 [14116.407566][ T7704] inet6_addr_add+0x4f8/0xa40 [14116.407566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14116.407566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14116.407566][ T7704] netlink_rcv_skb+0x130/0x360 [14116.407566][ T7704] netlink_unicast+0x449/0x710 [14116.407566][ T7704] netlink_sendmsg+0x723/0xbe0 [14116.407566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14116.407566][ T7704] ___sys_sendmsg+0xee/0x170 [14116.407566][ T7704] __sys_sendmsg+0xcd/0x170 [14116.407566][ T7704] do_syscall_64+0xc6/0x1e0 [14116.407566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14116.407566][ T7704] [14116.409710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14116.409710][ T7704] netdev_get_by_index+0x5e/0x80 [14116.409710][ T7704] fib6_nh_init+0x3d8/0x15b0 [14116.409710][ T7704] ip6_route_info_create+0xf18/0x17d0 [14116.409710][ T7704] addrconf_f6i_alloc+0x315/0x560 [14116.409710][ T7704] ipv6_add_addr+0x411/0x2000 [14116.409710][ T7704] inet6_addr_add+0x30e/0xa40 [14116.409710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14116.409710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14116.409710][ T7704] netlink_rcv_skb+0x130/0x360 [14116.409710][ T7704] netlink_unicast+0x449/0x710 [14116.409710][ T7704] netlink_sendmsg+0x723/0xbe0 [14116.409710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14116.409710][ T7704] ___sys_sendmsg+0xee/0x170 [14116.409710][ T7704] __sys_sendmsg+0xcd/0x170 [14116.409710][ T7704] do_syscall_64+0xc6/0x1e0 [14116.409710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14116.409710][ T7704] [14116.411872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14116.411872][ T7704] netdev_get_by_index+0x5e/0x80 [14116.411872][ T7704] fib6_nh_init+0x3d8/0x15b0 [14116.411872][ T7704] ip6_route_info_create+0xf18/0x17d0 [14116.411872][ T7704] ip6_route_add+0x1c/0x140 [14116.411872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14116.411872][ T7704] addrconf_add_dev+0xe2/0x170 [14116.411872][ T7704] inet6_addr_add+0x12f/0xa40 [14116.411872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14116.411872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14116.411872][ T7704] netlink_rcv_skb+0x130/0x360 [14116.411872][ T7704] netlink_unicast+0x449/0x710 [14116.411872][ T7704] netlink_sendmsg+0x723/0xbe0 [14116.411872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14116.411872][ T7704] ___sys_sendmsg+0xee/0x170 [14116.411872][ T7704] __sys_sendmsg+0xcd/0x170 [14116.411872][ T7704] do_syscall_64+0xc6/0x1e0 [14116.411872][ T7704] [14116.414047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14116.414047][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14116.414047][ T7704] ipv6_find_idev+0x102/0x170 [14116.414047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14116.414047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14116.414047][ T7704] netlink_rcv_skb+0x130/0x360 [14116.414047][ T7704] netlink_unicast+0x449/0x710 [14116.414047][ T7704] netlink_sendmsg+0x723/0xbe0 [14116.414047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14116.414047][ T7704] ___sys_sendmsg+0xee/0x170 [14116.414047][ T7704] __sys_sendmsg+0xcd/0x170 [14116.414047][ T7704] do_syscall_64+0xc6/0x1e0 [14116.414047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14116.414047][ T7704] [14116.415758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14116.415758][ T7704] neigh_parms_alloc+0x1e5/0x510 [14116.415758][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14116.415758][ T7704] ipv6_find_idev+0x102/0x170 [14116.415758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14116.415758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14116.415758][ T7704] netlink_rcv_skb+0x130/0x360 [14116.415758][ T7704] netlink_unicast+0x449/0x710 [14116.415758][ T7704] netlink_sendmsg+0x723/0xbe0 [14116.415758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14116.415758][ T7704] ___sys_sendmsg+0xee/0x170 [14116.415758][ T7704] __sys_sendmsg+0xcd/0x170 [14116.415758][ T7704] do_syscall_64+0xc6/0x1e0 [14116.415758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14116.415758][ T7704] [14126.655082][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14126.655583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14126.655583][ T7704] netdev_get_by_index+0x5e/0x80 [14126.655583][ T7704] fib6_nh_init+0x3d8/0x15b0 [14126.655583][ T7704] ip6_route_info_create+0xf18/0x17d0 [14126.655583][ T7704] ip6_route_add+0x1c/0x140 [14126.655583][ T7704] addrconf_prefix_route+0x2a6/0x430 [14126.655583][ T7704] inet6_addr_add+0x4f8/0xa40 [14126.655583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14126.655583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14126.655583][ T7704] netlink_rcv_skb+0x130/0x360 [14126.655583][ T7704] netlink_unicast+0x449/0x710 [14126.655583][ T7704] netlink_sendmsg+0x723/0xbe0 [14126.655583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14126.655583][ T7704] ___sys_sendmsg+0xee/0x170 [14126.655583][ T7704] __sys_sendmsg+0xcd/0x170 [14126.655583][ T7704] do_syscall_64+0xc6/0x1e0 [14126.655583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14126.655583][ T7704] [14126.657811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14126.657811][ T7704] netdev_get_by_index+0x5e/0x80 [14126.657811][ T7704] fib6_nh_init+0x3d8/0x15b0 [14126.657811][ T7704] ip6_route_info_create+0xf18/0x17d0 [14126.657811][ T7704] addrconf_f6i_alloc+0x315/0x560 [14126.657811][ T7704] ipv6_add_addr+0x411/0x2000 [14126.657811][ T7704] inet6_addr_add+0x30e/0xa40 [14126.657811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14126.657811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14126.657811][ T7704] netlink_rcv_skb+0x130/0x360 [14126.657811][ T7704] netlink_unicast+0x449/0x710 [14126.657811][ T7704] netlink_sendmsg+0x723/0xbe0 [14126.657811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14126.657811][ T7704] ___sys_sendmsg+0xee/0x170 [14126.657811][ T7704] __sys_sendmsg+0xcd/0x170 [14126.657811][ T7704] do_syscall_64+0xc6/0x1e0 [14126.657811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14126.657811][ T7704] [14126.660033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14126.660033][ T7704] netdev_get_by_index+0x5e/0x80 [14126.660033][ T7704] fib6_nh_init+0x3d8/0x15b0 [14126.660033][ T7704] ip6_route_info_create+0xf18/0x17d0 [14126.660033][ T7704] ip6_route_add+0x1c/0x140 [14126.660033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14126.660033][ T7704] addrconf_add_dev+0xe2/0x170 [14126.660033][ T7704] inet6_addr_add+0x12f/0xa40 [14126.660033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14126.660033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14126.660033][ T7704] netlink_rcv_skb+0x130/0x360 [14126.660033][ T7704] netlink_unicast+0x449/0x710 [14126.660033][ T7704] netlink_sendmsg+0x723/0xbe0 [14126.660033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14126.660033][ T7704] ___sys_sendmsg+0xee/0x170 [14126.660033][ T7704] __sys_sendmsg+0xcd/0x170 [14126.660033][ T7704] do_syscall_64+0xc6/0x1e0 [14126.660033][ T7704] [14126.662082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14126.662082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14126.662082][ T7704] ipv6_find_idev+0x102/0x170 [14126.662082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14126.662082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14126.662082][ T7704] netlink_rcv_skb+0x130/0x360 [14126.662082][ T7704] netlink_unicast+0x449/0x710 [14126.662082][ T7704] netlink_sendmsg+0x723/0xbe0 [14126.662082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14126.662082][ T7704] ___sys_sendmsg+0xee/0x170 [14126.662082][ T7704] __sys_sendmsg+0xcd/0x170 [14126.662082][ T7704] do_syscall_64+0xc6/0x1e0 [14126.662082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14126.662082][ T7704] [14126.663820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14126.663820][ T7704] neigh_parms_alloc+0x1e5/0x510 [14126.663820][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14126.663820][ T7704] ipv6_find_idev+0x102/0x170 [14126.663820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14126.663820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14126.663820][ T7704] netlink_rcv_skb+0x130/0x360 [14126.663820][ T7704] netlink_unicast+0x449/0x710 [14126.663820][ T7704] netlink_sendmsg+0x723/0xbe0 [14126.663820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14126.663820][ T7704] ___sys_sendmsg+0xee/0x170 [14126.663820][ T7704] __sys_sendmsg+0xcd/0x170 [14126.663820][ T7704] do_syscall_64+0xc6/0x1e0 [14126.663820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14126.663820][ T7704] [14136.903013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14136.903736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14136.903736][ T7704] netdev_get_by_index+0x5e/0x80 [14136.903736][ T7704] fib6_nh_init+0x3d8/0x15b0 [14136.903736][ T7704] ip6_route_info_create+0xf18/0x17d0 [14136.903736][ T7704] ip6_route_add+0x1c/0x140 [14136.903736][ T7704] addrconf_prefix_route+0x2a6/0x430 [14136.903736][ T7704] inet6_addr_add+0x4f8/0xa40 [14136.903736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14136.903736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14136.903736][ T7704] netlink_rcv_skb+0x130/0x360 [14136.903736][ T7704] netlink_unicast+0x449/0x710 [14136.903736][ T7704] netlink_sendmsg+0x723/0xbe0 [14136.903736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14136.903736][ T7704] ___sys_sendmsg+0xee/0x170 [14136.903736][ T7704] __sys_sendmsg+0xcd/0x170 [14136.903736][ T7704] do_syscall_64+0xc6/0x1e0 [14136.903736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14136.903736][ T7704] [14136.905936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14136.905936][ T7704] netdev_get_by_index+0x5e/0x80 [14136.905936][ T7704] fib6_nh_init+0x3d8/0x15b0 [14136.905936][ T7704] ip6_route_info_create+0xf18/0x17d0 [14136.905936][ T7704] addrconf_f6i_alloc+0x315/0x560 [14136.905936][ T7704] ipv6_add_addr+0x411/0x2000 [14136.905936][ T7704] inet6_addr_add+0x30e/0xa40 [14136.905936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14136.905936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14136.905936][ T7704] netlink_rcv_skb+0x130/0x360 [14136.905936][ T7704] netlink_unicast+0x449/0x710 [14136.905936][ T7704] netlink_sendmsg+0x723/0xbe0 [14136.905936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14136.905936][ T7704] ___sys_sendmsg+0xee/0x170 [14136.905936][ T7704] __sys_sendmsg+0xcd/0x170 [14136.905936][ T7704] do_syscall_64+0xc6/0x1e0 [14136.905936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14136.905936][ T7704] [14136.908054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14136.908054][ T7704] netdev_get_by_index+0x5e/0x80 [14136.908054][ T7704] fib6_nh_init+0x3d8/0x15b0 [14136.908054][ T7704] ip6_route_info_create+0xf18/0x17d0 [14136.908054][ T7704] ip6_route_add+0x1c/0x140 [14136.908054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14136.908054][ T7704] addrconf_add_dev+0xe2/0x170 [14136.908054][ T7704] inet6_addr_add+0x12f/0xa40 [14136.908054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14136.908054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14136.908054][ T7704] netlink_rcv_skb+0x130/0x360 [14136.908054][ T7704] netlink_unicast+0x449/0x710 [14136.908054][ T7704] netlink_sendmsg+0x723/0xbe0 [14136.908054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14136.908054][ T7704] ___sys_sendmsg+0xee/0x170 [14136.908054][ T7704] __sys_sendmsg+0xcd/0x170 [14136.908054][ T7704] do_syscall_64+0xc6/0x1e0 [14136.908054][ T7704] [14136.910208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14136.910208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14136.910208][ T7704] ipv6_find_idev+0x102/0x170 [14136.910208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14136.910208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14136.910208][ T7704] netlink_rcv_skb+0x130/0x360 [14136.910208][ T7704] netlink_unicast+0x449/0x710 [14136.910208][ T7704] netlink_sendmsg+0x723/0xbe0 [14136.910208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14136.910208][ T7704] ___sys_sendmsg+0xee/0x170 [14136.910208][ T7704] __sys_sendmsg+0xcd/0x170 [14136.910208][ T7704] do_syscall_64+0xc6/0x1e0 [14136.910208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14136.910208][ T7704] [14136.911935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14136.911935][ T7704] neigh_parms_alloc+0x1e5/0x510 [14136.911935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14136.911935][ T7704] ipv6_find_idev+0x102/0x170 [14136.911935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14136.911935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14136.911935][ T7704] netlink_rcv_skb+0x130/0x360 [14136.911935][ T7704] netlink_unicast+0x449/0x710 [14136.911935][ T7704] netlink_sendmsg+0x723/0xbe0 [14136.911935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14136.911935][ T7704] ___sys_sendmsg+0xee/0x170 [14136.911935][ T7704] __sys_sendmsg+0xcd/0x170 [14136.911935][ T7704] do_syscall_64+0xc6/0x1e0 [14136.911935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14136.911935][ T7704] [14147.151005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14147.151643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14147.151643][ T7704] netdev_get_by_index+0x5e/0x80 [14147.151643][ T7704] fib6_nh_init+0x3d8/0x15b0 [14147.151643][ T7704] ip6_route_info_create+0xf18/0x17d0 [14147.151643][ T7704] ip6_route_add+0x1c/0x140 [14147.151643][ T7704] addrconf_prefix_route+0x2a6/0x430 [14147.151643][ T7704] inet6_addr_add+0x4f8/0xa40 [14147.151643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14147.151643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14147.151643][ T7704] netlink_rcv_skb+0x130/0x360 [14147.151643][ T7704] netlink_unicast+0x449/0x710 [14147.151643][ T7704] netlink_sendmsg+0x723/0xbe0 [14147.151643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14147.151643][ T7704] ___sys_sendmsg+0xee/0x170 [14147.151643][ T7704] __sys_sendmsg+0xcd/0x170 [14147.151643][ T7704] do_syscall_64+0xc6/0x1e0 [14147.151643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14147.151643][ T7704] [14147.153953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14147.153953][ T7704] netdev_get_by_index+0x5e/0x80 [14147.153953][ T7704] fib6_nh_init+0x3d8/0x15b0 [14147.153953][ T7704] ip6_route_info_create+0xf18/0x17d0 [14147.153953][ T7704] addrconf_f6i_alloc+0x315/0x560 [14147.153953][ T7704] ipv6_add_addr+0x411/0x2000 [14147.153953][ T7704] inet6_addr_add+0x30e/0xa40 [14147.153953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14147.153953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14147.153953][ T7704] netlink_rcv_skb+0x130/0x360 [14147.153953][ T7704] netlink_unicast+0x449/0x710 [14147.153953][ T7704] netlink_sendmsg+0x723/0xbe0 [14147.153953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14147.153953][ T7704] ___sys_sendmsg+0xee/0x170 [14147.153953][ T7704] __sys_sendmsg+0xcd/0x170 [14147.153953][ T7704] do_syscall_64+0xc6/0x1e0 [14147.153953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14147.153953][ T7704] [14147.156157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14147.156157][ T7704] netdev_get_by_index+0x5e/0x80 [14147.156157][ T7704] fib6_nh_init+0x3d8/0x15b0 [14147.156157][ T7704] ip6_route_info_create+0xf18/0x17d0 [14147.156157][ T7704] ip6_route_add+0x1c/0x140 [14147.156157][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14147.156157][ T7704] addrconf_add_dev+0xe2/0x170 [14147.156157][ T7704] inet6_addr_add+0x12f/0xa40 [14147.156157][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14147.156157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14147.156157][ T7704] netlink_rcv_skb+0x130/0x360 [14147.156157][ T7704] netlink_unicast+0x449/0x710 [14147.156157][ T7704] netlink_sendmsg+0x723/0xbe0 [14147.156157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14147.156157][ T7704] ___sys_sendmsg+0xee/0x170 [14147.156157][ T7704] __sys_sendmsg+0xcd/0x170 [14147.156157][ T7704] do_syscall_64+0xc6/0x1e0 [14147.156157][ T7704] [14147.158272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14147.158272][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14147.158272][ T7704] ipv6_find_idev+0x102/0x170 [14147.158272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14147.158272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14147.158272][ T7704] netlink_rcv_skb+0x130/0x360 [14147.158272][ T7704] netlink_unicast+0x449/0x710 [14147.158272][ T7704] netlink_sendmsg+0x723/0xbe0 [14147.158272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14147.158272][ T7704] ___sys_sendmsg+0xee/0x170 [14147.158272][ T7704] __sys_sendmsg+0xcd/0x170 [14147.158272][ T7704] do_syscall_64+0xc6/0x1e0 [14147.158272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14147.158272][ T7704] [14147.159880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14147.159880][ T7704] neigh_parms_alloc+0x1e5/0x510 [14147.159880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14147.159880][ T7704] ipv6_find_idev+0x102/0x170 [14147.159880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14147.159880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14147.159880][ T7704] netlink_rcv_skb+0x130/0x360 [14147.159880][ T7704] netlink_unicast+0x449/0x710 [14147.159880][ T7704] netlink_sendmsg+0x723/0xbe0 [14147.159880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14147.159880][ T7704] ___sys_sendmsg+0xee/0x170 [14147.159880][ T7704] __sys_sendmsg+0xcd/0x170 [14147.159880][ T7704] do_syscall_64+0xc6/0x1e0 [14147.159880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14147.159880][ T7704] [14157.399006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14157.399574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14157.399574][ T7704] netdev_get_by_index+0x5e/0x80 [14157.399574][ T7704] fib6_nh_init+0x3d8/0x15b0 [14157.399574][ T7704] ip6_route_info_create+0xf18/0x17d0 [14157.399574][ T7704] ip6_route_add+0x1c/0x140 [14157.399574][ T7704] addrconf_prefix_route+0x2a6/0x430 [14157.399574][ T7704] inet6_addr_add+0x4f8/0xa40 [14157.399574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14157.399574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14157.399574][ T7704] netlink_rcv_skb+0x130/0x360 [14157.399574][ T7704] netlink_unicast+0x449/0x710 [14157.399574][ T7704] netlink_sendmsg+0x723/0xbe0 [14157.399574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14157.399574][ T7704] ___sys_sendmsg+0xee/0x170 [14157.399574][ T7704] __sys_sendmsg+0xcd/0x170 [14157.399574][ T7704] do_syscall_64+0xc6/0x1e0 [14157.399574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14157.399574][ T7704] [14157.402327][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14157.402327][ T7704] netdev_get_by_index+0x5e/0x80 [14157.402327][ T7704] fib6_nh_init+0x3d8/0x15b0 [14157.402327][ T7704] ip6_route_info_create+0xf18/0x17d0 [14157.402327][ T7704] addrconf_f6i_alloc+0x315/0x560 [14157.402327][ T7704] ipv6_add_addr+0x411/0x2000 [14157.402327][ T7704] inet6_addr_add+0x30e/0xa40 [14157.402327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14157.402327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14157.402327][ T7704] netlink_rcv_skb+0x130/0x360 [14157.402327][ T7704] netlink_unicast+0x449/0x710 [14157.402327][ T7704] netlink_sendmsg+0x723/0xbe0 [14157.402327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14157.402327][ T7704] ___sys_sendmsg+0xee/0x170 [14157.402327][ T7704] __sys_sendmsg+0xcd/0x170 [14157.402327][ T7704] do_syscall_64+0xc6/0x1e0 [14157.402327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14157.402327][ T7704] [14157.404549][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14157.404549][ T7704] netdev_get_by_index+0x5e/0x80 [14157.404549][ T7704] fib6_nh_init+0x3d8/0x15b0 [14157.404549][ T7704] ip6_route_info_create+0xf18/0x17d0 [14157.404549][ T7704] ip6_route_add+0x1c/0x140 [14157.404549][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14157.404549][ T7704] addrconf_add_dev+0xe2/0x170 [14157.404549][ T7704] inet6_addr_add+0x12f/0xa40 [14157.404549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14157.404549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14157.404549][ T7704] netlink_rcv_skb+0x130/0x360 [14157.404549][ T7704] netlink_unicast+0x449/0x710 [14157.404549][ T7704] netlink_sendmsg+0x723/0xbe0 [14157.404549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14157.404549][ T7704] ___sys_sendmsg+0xee/0x170 [14157.404549][ T7704] __sys_sendmsg+0xcd/0x170 [14157.404549][ T7704] do_syscall_64+0xc6/0x1e0 [14157.404549][ T7704] [14157.406776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14157.406776][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14157.406776][ T7704] ipv6_find_idev+0x102/0x170 [14157.406776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14157.406776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14157.406776][ T7704] netlink_rcv_skb+0x130/0x360 [14157.406776][ T7704] netlink_unicast+0x449/0x710 [14157.406776][ T7704] netlink_sendmsg+0x723/0xbe0 [14157.406776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14157.406776][ T7704] ___sys_sendmsg+0xee/0x170 [14157.406776][ T7704] __sys_sendmsg+0xcd/0x170 [14157.406776][ T7704] do_syscall_64+0xc6/0x1e0 [14157.406776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14157.406776][ T7704] [14157.408442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14157.408442][ T7704] neigh_parms_alloc+0x1e5/0x510 [14157.408442][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14157.408442][ T7704] ipv6_find_idev+0x102/0x170 [14157.408442][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14157.408442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14157.408442][ T7704] netlink_rcv_skb+0x130/0x360 [14157.408442][ T7704] netlink_unicast+0x449/0x710 [14157.408442][ T7704] netlink_sendmsg+0x723/0xbe0 [14157.408442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14157.408442][ T7704] ___sys_sendmsg+0xee/0x170 [14157.408442][ T7704] __sys_sendmsg+0xcd/0x170 [14157.408442][ T7704] do_syscall_64+0xc6/0x1e0 [14157.408442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14157.408442][ T7704] [14167.607014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14167.607572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14167.607572][ T7704] netdev_get_by_index+0x5e/0x80 [14167.607572][ T7704] fib6_nh_init+0x3d8/0x15b0 [14167.607572][ T7704] ip6_route_info_create+0xf18/0x17d0 [14167.607572][ T7704] ip6_route_add+0x1c/0x140 [14167.607572][ T7704] addrconf_prefix_route+0x2a6/0x430 [14167.607572][ T7704] inet6_addr_add+0x4f8/0xa40 [14167.607572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14167.607572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14167.607572][ T7704] netlink_rcv_skb+0x130/0x360 [14167.607572][ T7704] netlink_unicast+0x449/0x710 [14167.607572][ T7704] netlink_sendmsg+0x723/0xbe0 [14167.607572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14167.607572][ T7704] ___sys_sendmsg+0xee/0x170 [14167.607572][ T7704] __sys_sendmsg+0xcd/0x170 [14167.607572][ T7704] do_syscall_64+0xc6/0x1e0 [14167.607572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14167.607572][ T7704] [14167.609814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14167.609814][ T7704] netdev_get_by_index+0x5e/0x80 [14167.609814][ T7704] fib6_nh_init+0x3d8/0x15b0 [14167.609814][ T7704] ip6_route_info_create+0xf18/0x17d0 [14167.609814][ T7704] addrconf_f6i_alloc+0x315/0x560 [14167.609814][ T7704] ipv6_add_addr+0x411/0x2000 [14167.609814][ T7704] inet6_addr_add+0x30e/0xa40 [14167.609814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14167.609814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14167.609814][ T7704] netlink_rcv_skb+0x130/0x360 [14167.609814][ T7704] netlink_unicast+0x449/0x710 [14167.609814][ T7704] netlink_sendmsg+0x723/0xbe0 [14167.609814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14167.609814][ T7704] ___sys_sendmsg+0xee/0x170 [14167.609814][ T7704] __sys_sendmsg+0xcd/0x170 [14167.609814][ T7704] do_syscall_64+0xc6/0x1e0 [14167.609814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14167.609814][ T7704] [14167.612089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14167.612089][ T7704] netdev_get_by_index+0x5e/0x80 [14167.612089][ T7704] fib6_nh_init+0x3d8/0x15b0 [14167.612089][ T7704] ip6_route_info_create+0xf18/0x17d0 [14167.612089][ T7704] ip6_route_add+0x1c/0x140 [14167.612089][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14167.612089][ T7704] addrconf_add_dev+0xe2/0x170 [14167.612089][ T7704] inet6_addr_add+0x12f/0xa40 [14167.612089][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14167.612089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14167.612089][ T7704] netlink_rcv_skb+0x130/0x360 [14167.612089][ T7704] netlink_unicast+0x449/0x710 [14167.612089][ T7704] netlink_sendmsg+0x723/0xbe0 [14167.612089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14167.612089][ T7704] ___sys_sendmsg+0xee/0x170 [14167.612089][ T7704] __sys_sendmsg+0xcd/0x170 [14167.612089][ T7704] do_syscall_64+0xc6/0x1e0 [14167.612089][ T7704] [14167.614250][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14167.614250][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14167.614250][ T7704] ipv6_find_idev+0x102/0x170 [14167.614250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14167.614250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14167.614250][ T7704] netlink_rcv_skb+0x130/0x360 [14167.614250][ T7704] netlink_unicast+0x449/0x710 [14167.614250][ T7704] netlink_sendmsg+0x723/0xbe0 [14167.614250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14167.614250][ T7704] ___sys_sendmsg+0xee/0x170 [14167.614250][ T7704] __sys_sendmsg+0xcd/0x170 [14167.614250][ T7704] do_syscall_64+0xc6/0x1e0 [14167.614250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14167.614250][ T7704] [14167.615918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14167.615918][ T7704] neigh_parms_alloc+0x1e5/0x510 [14167.615918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14167.615918][ T7704] ipv6_find_idev+0x102/0x170 [14167.615918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14167.615918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14167.615918][ T7704] netlink_rcv_skb+0x130/0x360 [14167.615918][ T7704] netlink_unicast+0x449/0x710 [14167.615918][ T7704] netlink_sendmsg+0x723/0xbe0 [14167.615918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14167.615918][ T7704] ___sys_sendmsg+0xee/0x170 [14167.615918][ T7704] __sys_sendmsg+0xcd/0x170 [14167.615918][ T7704] do_syscall_64+0xc6/0x1e0 [14167.615918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14167.615918][ T7704] [14177.855006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14177.855686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14177.855686][ T7704] netdev_get_by_index+0x5e/0x80 [14177.855686][ T7704] fib6_nh_init+0x3d8/0x15b0 [14177.855686][ T7704] ip6_route_info_create+0xf18/0x17d0 [14177.855686][ T7704] ip6_route_add+0x1c/0x140 [14177.855686][ T7704] addrconf_prefix_route+0x2a6/0x430 [14177.855686][ T7704] inet6_addr_add+0x4f8/0xa40 [14177.855686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14177.855686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14177.855686][ T7704] netlink_rcv_skb+0x130/0x360 [14177.855686][ T7704] netlink_unicast+0x449/0x710 [14177.855686][ T7704] netlink_sendmsg+0x723/0xbe0 [14177.855686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14177.855686][ T7704] ___sys_sendmsg+0xee/0x170 [14177.855686][ T7704] __sys_sendmsg+0xcd/0x170 [14177.855686][ T7704] do_syscall_64+0xc6/0x1e0 [14177.855686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14177.855686][ T7704] [14177.857951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14177.857951][ T7704] netdev_get_by_index+0x5e/0x80 [14177.857951][ T7704] fib6_nh_init+0x3d8/0x15b0 [14177.857951][ T7704] ip6_route_info_create+0xf18/0x17d0 [14177.857951][ T7704] addrconf_f6i_alloc+0x315/0x560 [14177.857951][ T7704] ipv6_add_addr+0x411/0x2000 [14177.857951][ T7704] inet6_addr_add+0x30e/0xa40 [14177.857951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14177.857951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14177.857951][ T7704] netlink_rcv_skb+0x130/0x360 [14177.857951][ T7704] netlink_unicast+0x449/0x710 [14177.857951][ T7704] netlink_sendmsg+0x723/0xbe0 [14177.857951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14177.857951][ T7704] ___sys_sendmsg+0xee/0x170 [14177.857951][ T7704] __sys_sendmsg+0xcd/0x170 [14177.857951][ T7704] do_syscall_64+0xc6/0x1e0 [14177.857951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14177.857951][ T7704] [14177.860125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14177.860125][ T7704] netdev_get_by_index+0x5e/0x80 [14177.860125][ T7704] fib6_nh_init+0x3d8/0x15b0 [14177.860125][ T7704] ip6_route_info_create+0xf18/0x17d0 [14177.860125][ T7704] ip6_route_add+0x1c/0x140 [14177.860125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14177.860125][ T7704] addrconf_add_dev+0xe2/0x170 [14177.860125][ T7704] inet6_addr_add+0x12f/0xa40 [14177.860125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14177.860125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14177.860125][ T7704] netlink_rcv_skb+0x130/0x360 [14177.860125][ T7704] netlink_unicast+0x449/0x710 [14177.860125][ T7704] netlink_sendmsg+0x723/0xbe0 [14177.860125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14177.860125][ T7704] ___sys_sendmsg+0xee/0x170 [14177.860125][ T7704] __sys_sendmsg+0xcd/0x170 [14177.860125][ T7704] do_syscall_64+0xc6/0x1e0 [14177.860125][ T7704] [14177.862302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14177.862302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14177.862302][ T7704] ipv6_find_idev+0x102/0x170 [14177.862302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14177.862302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14177.862302][ T7704] netlink_rcv_skb+0x130/0x360 [14177.862302][ T7704] netlink_unicast+0x449/0x710 [14177.862302][ T7704] netlink_sendmsg+0x723/0xbe0 [14177.862302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14177.862302][ T7704] ___sys_sendmsg+0xee/0x170 [14177.862302][ T7704] __sys_sendmsg+0xcd/0x170 [14177.862302][ T7704] do_syscall_64+0xc6/0x1e0 [14177.862302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14177.862302][ T7704] [14177.864034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14177.864034][ T7704] neigh_parms_alloc+0x1e5/0x510 [14177.864034][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14177.864034][ T7704] ipv6_find_idev+0x102/0x170 [14177.864034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14177.864034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14177.864034][ T7704] netlink_rcv_skb+0x130/0x360 [14177.864034][ T7704] netlink_unicast+0x449/0x710 [14177.864034][ T7704] netlink_sendmsg+0x723/0xbe0 [14177.864034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14177.864034][ T7704] ___sys_sendmsg+0xee/0x170 [14177.864034][ T7704] __sys_sendmsg+0xcd/0x170 [14177.864034][ T7704] do_syscall_64+0xc6/0x1e0 [14177.864034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14177.864034][ T7704] [14188.095016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14188.095571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14188.095571][ T7704] netdev_get_by_index+0x5e/0x80 [14188.095571][ T7704] fib6_nh_init+0x3d8/0x15b0 [14188.095571][ T7704] ip6_route_info_create+0xf18/0x17d0 [14188.095571][ T7704] ip6_route_add+0x1c/0x140 [14188.095571][ T7704] addrconf_prefix_route+0x2a6/0x430 [14188.095571][ T7704] inet6_addr_add+0x4f8/0xa40 [14188.095571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14188.095571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14188.095571][ T7704] netlink_rcv_skb+0x130/0x360 [14188.095571][ T7704] netlink_unicast+0x449/0x710 [14188.095571][ T7704] netlink_sendmsg+0x723/0xbe0 [14188.095571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14188.095571][ T7704] ___sys_sendmsg+0xee/0x170 [14188.095571][ T7704] __sys_sendmsg+0xcd/0x170 [14188.095571][ T7704] do_syscall_64+0xc6/0x1e0 [14188.095571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14188.095571][ T7704] [14188.097770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14188.097770][ T7704] netdev_get_by_index+0x5e/0x80 [14188.097770][ T7704] fib6_nh_init+0x3d8/0x15b0 [14188.097770][ T7704] ip6_route_info_create+0xf18/0x17d0 [14188.097770][ T7704] addrconf_f6i_alloc+0x315/0x560 [14188.097770][ T7704] ipv6_add_addr+0x411/0x2000 [14188.097770][ T7704] inet6_addr_add+0x30e/0xa40 [14188.097770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14188.097770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14188.097770][ T7704] netlink_rcv_skb+0x130/0x360 [14188.097770][ T7704] netlink_unicast+0x449/0x710 [14188.097770][ T7704] netlink_sendmsg+0x723/0xbe0 [14188.097770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14188.097770][ T7704] ___sys_sendmsg+0xee/0x170 [14188.097770][ T7704] __sys_sendmsg+0xcd/0x170 [14188.097770][ T7704] do_syscall_64+0xc6/0x1e0 [14188.097770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14188.097770][ T7704] [14188.099987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14188.099987][ T7704] netdev_get_by_index+0x5e/0x80 [14188.099987][ T7704] fib6_nh_init+0x3d8/0x15b0 [14188.099987][ T7704] ip6_route_info_create+0xf18/0x17d0 [14188.099987][ T7704] ip6_route_add+0x1c/0x140 [14188.099987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14188.099987][ T7704] addrconf_add_dev+0xe2/0x170 [14188.099987][ T7704] inet6_addr_add+0x12f/0xa40 [14188.099987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14188.099987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14188.099987][ T7704] netlink_rcv_skb+0x130/0x360 [14188.099987][ T7704] netlink_unicast+0x449/0x710 [14188.099987][ T7704] netlink_sendmsg+0x723/0xbe0 [14188.099987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14188.099987][ T7704] ___sys_sendmsg+0xee/0x170 [14188.099987][ T7704] __sys_sendmsg+0xcd/0x170 [14188.099987][ T7704] do_syscall_64+0xc6/0x1e0 [14188.099987][ T7704] [14188.102120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14188.102120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14188.102120][ T7704] ipv6_find_idev+0x102/0x170 [14188.102120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14188.102120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14188.102120][ T7704] netlink_rcv_skb+0x130/0x360 [14188.102120][ T7704] netlink_unicast+0x449/0x710 [14188.102120][ T7704] netlink_sendmsg+0x723/0xbe0 [14188.102120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14188.102120][ T7704] ___sys_sendmsg+0xee/0x170 [14188.102120][ T7704] __sys_sendmsg+0xcd/0x170 [14188.102120][ T7704] do_syscall_64+0xc6/0x1e0 [14188.102120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14188.102120][ T7704] [14188.103824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14188.103824][ T7704] neigh_parms_alloc+0x1e5/0x510 [14188.103824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14188.103824][ T7704] ipv6_find_idev+0x102/0x170 [14188.103824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14188.103824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14188.103824][ T7704] netlink_rcv_skb+0x130/0x360 [14188.103824][ T7704] netlink_unicast+0x449/0x710 [14188.103824][ T7704] netlink_sendmsg+0x723/0xbe0 [14188.103824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14188.103824][ T7704] ___sys_sendmsg+0xee/0x170 [14188.103824][ T7704] __sys_sendmsg+0xcd/0x170 [14188.103824][ T7704] do_syscall_64+0xc6/0x1e0 [14188.103824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14188.103824][ T7704] [14198.342985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14198.343598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14198.343598][ T7704] netdev_get_by_index+0x5e/0x80 [14198.343598][ T7704] fib6_nh_init+0x3d8/0x15b0 [14198.343598][ T7704] ip6_route_info_create+0xf18/0x17d0 [14198.343598][ T7704] ip6_route_add+0x1c/0x140 [14198.343598][ T7704] addrconf_prefix_route+0x2a6/0x430 [14198.343598][ T7704] inet6_addr_add+0x4f8/0xa40 [14198.343598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14198.343598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14198.343598][ T7704] netlink_rcv_skb+0x130/0x360 [14198.343598][ T7704] netlink_unicast+0x449/0x710 [14198.343598][ T7704] netlink_sendmsg+0x723/0xbe0 [14198.343598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14198.343598][ T7704] ___sys_sendmsg+0xee/0x170 [14198.343598][ T7704] __sys_sendmsg+0xcd/0x170 [14198.343598][ T7704] do_syscall_64+0xc6/0x1e0 [14198.343598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14198.343598][ T7704] [14198.346361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14198.346361][ T7704] netdev_get_by_index+0x5e/0x80 [14198.346361][ T7704] fib6_nh_init+0x3d8/0x15b0 [14198.346361][ T7704] ip6_route_info_create+0xf18/0x17d0 [14198.346361][ T7704] addrconf_f6i_alloc+0x315/0x560 [14198.346361][ T7704] ipv6_add_addr+0x411/0x2000 [14198.346361][ T7704] inet6_addr_add+0x30e/0xa40 [14198.346361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14198.346361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14198.346361][ T7704] netlink_rcv_skb+0x130/0x360 [14198.346361][ T7704] netlink_unicast+0x449/0x710 [14198.346361][ T7704] netlink_sendmsg+0x723/0xbe0 [14198.346361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14198.346361][ T7704] ___sys_sendmsg+0xee/0x170 [14198.346361][ T7704] __sys_sendmsg+0xcd/0x170 [14198.346361][ T7704] do_syscall_64+0xc6/0x1e0 [14198.346361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14198.346361][ T7704] [14198.348580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14198.348580][ T7704] netdev_get_by_index+0x5e/0x80 [14198.348580][ T7704] fib6_nh_init+0x3d8/0x15b0 [14198.348580][ T7704] ip6_route_info_create+0xf18/0x17d0 [14198.348580][ T7704] ip6_route_add+0x1c/0x140 [14198.348580][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14198.348580][ T7704] addrconf_add_dev+0xe2/0x170 [14198.348580][ T7704] inet6_addr_add+0x12f/0xa40 [14198.348580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14198.348580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14198.348580][ T7704] netlink_rcv_skb+0x130/0x360 [14198.348580][ T7704] netlink_unicast+0x449/0x710 [14198.348580][ T7704] netlink_sendmsg+0x723/0xbe0 [14198.348580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14198.348580][ T7704] ___sys_sendmsg+0xee/0x170 [14198.348580][ T7704] __sys_sendmsg+0xcd/0x170 [14198.348580][ T7704] do_syscall_64+0xc6/0x1e0 [14198.348580][ T7704] [14198.350752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14198.350752][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14198.350752][ T7704] ipv6_find_idev+0x102/0x170 [14198.350752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14198.350752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14198.350752][ T7704] netlink_rcv_skb+0x130/0x360 [14198.350752][ T7704] netlink_unicast+0x449/0x710 [14198.350752][ T7704] netlink_sendmsg+0x723/0xbe0 [14198.350752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14198.350752][ T7704] ___sys_sendmsg+0xee/0x170 [14198.350752][ T7704] __sys_sendmsg+0xcd/0x170 [14198.350752][ T7704] do_syscall_64+0xc6/0x1e0 [14198.350752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14198.350752][ T7704] [14198.352481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14198.352481][ T7704] neigh_parms_alloc+0x1e5/0x510 [14198.352481][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14198.352481][ T7704] ipv6_find_idev+0x102/0x170 [14198.352481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14198.352481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14198.352481][ T7704] netlink_rcv_skb+0x130/0x360 [14198.352481][ T7704] netlink_unicast+0x449/0x710 [14198.352481][ T7704] netlink_sendmsg+0x723/0xbe0 [14198.352481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14198.352481][ T7704] ___sys_sendmsg+0xee/0x170 [14198.352481][ T7704] __sys_sendmsg+0xcd/0x170 [14198.352481][ T7704] do_syscall_64+0xc6/0x1e0 [14198.352481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14198.352481][ T7704] [14208.590978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14208.591483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14208.591483][ T7704] netdev_get_by_index+0x5e/0x80 [14208.591483][ T7704] fib6_nh_init+0x3d8/0x15b0 [14208.591483][ T7704] ip6_route_info_create+0xf18/0x17d0 [14208.591483][ T7704] ip6_route_add+0x1c/0x140 [14208.591483][ T7704] addrconf_prefix_route+0x2a6/0x430 [14208.591483][ T7704] inet6_addr_add+0x4f8/0xa40 [14208.591483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14208.591483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14208.591483][ T7704] netlink_rcv_skb+0x130/0x360 [14208.591483][ T7704] netlink_unicast+0x449/0x710 [14208.591483][ T7704] netlink_sendmsg+0x723/0xbe0 [14208.591483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14208.591483][ T7704] ___sys_sendmsg+0xee/0x170 [14208.591483][ T7704] __sys_sendmsg+0xcd/0x170 [14208.591483][ T7704] do_syscall_64+0xc6/0x1e0 [14208.591483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14208.591483][ T7704] [14208.593684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14208.593684][ T7704] netdev_get_by_index+0x5e/0x80 [14208.593684][ T7704] fib6_nh_init+0x3d8/0x15b0 [14208.593684][ T7704] ip6_route_info_create+0xf18/0x17d0 [14208.593684][ T7704] addrconf_f6i_alloc+0x315/0x560 [14208.593684][ T7704] ipv6_add_addr+0x411/0x2000 [14208.593684][ T7704] inet6_addr_add+0x30e/0xa40 [14208.593684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14208.593684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14208.593684][ T7704] netlink_rcv_skb+0x130/0x360 [14208.593684][ T7704] netlink_unicast+0x449/0x710 [14208.593684][ T7704] netlink_sendmsg+0x723/0xbe0 [14208.593684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14208.593684][ T7704] ___sys_sendmsg+0xee/0x170 [14208.593684][ T7704] __sys_sendmsg+0xcd/0x170 [14208.593684][ T7704] do_syscall_64+0xc6/0x1e0 [14208.593684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14208.593684][ T7704] [14208.595871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14208.595871][ T7704] netdev_get_by_index+0x5e/0x80 [14208.595871][ T7704] fib6_nh_init+0x3d8/0x15b0 [14208.595871][ T7704] ip6_route_info_create+0xf18/0x17d0 [14208.595871][ T7704] ip6_route_add+0x1c/0x140 [14208.595871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14208.595871][ T7704] addrconf_add_dev+0xe2/0x170 [14208.595871][ T7704] inet6_addr_add+0x12f/0xa40 [14208.595871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14208.595871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14208.595871][ T7704] netlink_rcv_skb+0x130/0x360 [14208.595871][ T7704] netlink_unicast+0x449/0x710 [14208.595871][ T7704] netlink_sendmsg+0x723/0xbe0 [14208.595871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14208.595871][ T7704] ___sys_sendmsg+0xee/0x170 [14208.595871][ T7704] __sys_sendmsg+0xcd/0x170 [14208.595871][ T7704] do_syscall_64+0xc6/0x1e0 [14208.595871][ T7704] [14208.598052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14208.598052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14208.598052][ T7704] ipv6_find_idev+0x102/0x170 [14208.598052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14208.598052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14208.598052][ T7704] netlink_rcv_skb+0x130/0x360 [14208.598052][ T7704] netlink_unicast+0x449/0x710 [14208.598052][ T7704] netlink_sendmsg+0x723/0xbe0 [14208.598052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14208.598052][ T7704] ___sys_sendmsg+0xee/0x170 [14208.598052][ T7704] __sys_sendmsg+0xcd/0x170 [14208.598052][ T7704] do_syscall_64+0xc6/0x1e0 [14208.598052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14208.598052][ T7704] [14208.599821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14208.599821][ T7704] neigh_parms_alloc+0x1e5/0x510 [14208.599821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14208.599821][ T7704] ipv6_find_idev+0x102/0x170 [14208.599821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14208.599821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14208.599821][ T7704] netlink_rcv_skb+0x130/0x360 [14208.599821][ T7704] netlink_unicast+0x449/0x710 [14208.599821][ T7704] netlink_sendmsg+0x723/0xbe0 [14208.599821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14208.599821][ T7704] ___sys_sendmsg+0xee/0x170 [14208.599821][ T7704] __sys_sendmsg+0xcd/0x170 [14208.599821][ T7704] do_syscall_64+0xc6/0x1e0 [14208.599821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14208.599821][ T7704] [14218.838999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14218.839502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14218.839502][ T7704] netdev_get_by_index+0x5e/0x80 [14218.839502][ T7704] fib6_nh_init+0x3d8/0x15b0 [14218.839502][ T7704] ip6_route_info_create+0xf18/0x17d0 [14218.839502][ T7704] ip6_route_add+0x1c/0x140 [14218.839502][ T7704] addrconf_prefix_route+0x2a6/0x430 [14218.839502][ T7704] inet6_addr_add+0x4f8/0xa40 [14218.839502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14218.839502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14218.839502][ T7704] netlink_rcv_skb+0x130/0x360 [14218.839502][ T7704] netlink_unicast+0x449/0x710 [14218.839502][ T7704] netlink_sendmsg+0x723/0xbe0 [14218.839502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14218.839502][ T7704] ___sys_sendmsg+0xee/0x170 [14218.839502][ T7704] __sys_sendmsg+0xcd/0x170 [14218.839502][ T7704] do_syscall_64+0xc6/0x1e0 [14218.839502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14218.839502][ T7704] [14218.842335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14218.842335][ T7704] netdev_get_by_index+0x5e/0x80 [14218.842335][ T7704] fib6_nh_init+0x3d8/0x15b0 [14218.842335][ T7704] ip6_route_info_create+0xf18/0x17d0 [14218.842335][ T7704] addrconf_f6i_alloc+0x315/0x560 [14218.842335][ T7704] ipv6_add_addr+0x411/0x2000 [14218.842335][ T7704] inet6_addr_add+0x30e/0xa40 [14218.842335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14218.842335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14218.842335][ T7704] netlink_rcv_skb+0x130/0x360 [14218.842335][ T7704] netlink_unicast+0x449/0x710 [14218.842335][ T7704] netlink_sendmsg+0x723/0xbe0 [14218.842335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14218.842335][ T7704] ___sys_sendmsg+0xee/0x170 [14218.842335][ T7704] __sys_sendmsg+0xcd/0x170 [14218.842335][ T7704] do_syscall_64+0xc6/0x1e0 [14218.842335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14218.842335][ T7704] [14218.844553][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14218.844553][ T7704] netdev_get_by_index+0x5e/0x80 [14218.844553][ T7704] fib6_nh_init+0x3d8/0x15b0 [14218.844553][ T7704] ip6_route_info_create+0xf18/0x17d0 [14218.844553][ T7704] ip6_route_add+0x1c/0x140 [14218.844553][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14218.844553][ T7704] addrconf_add_dev+0xe2/0x170 [14218.844553][ T7704] inet6_addr_add+0x12f/0xa40 [14218.844553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14218.844553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14218.844553][ T7704] netlink_rcv_skb+0x130/0x360 [14218.844553][ T7704] netlink_unicast+0x449/0x710 [14218.844553][ T7704] netlink_sendmsg+0x723/0xbe0 [14218.844553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14218.844553][ T7704] ___sys_sendmsg+0xee/0x170 [14218.844553][ T7704] __sys_sendmsg+0xcd/0x170 [14218.844553][ T7704] do_syscall_64+0xc6/0x1e0 [14218.844553][ T7704] [14218.846744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14218.846744][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14218.846744][ T7704] ipv6_find_idev+0x102/0x170 [14218.846744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14218.846744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14218.846744][ T7704] netlink_rcv_skb+0x130/0x360 [14218.846744][ T7704] netlink_unicast+0x449/0x710 [14218.846744][ T7704] netlink_sendmsg+0x723/0xbe0 [14218.846744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14218.846744][ T7704] ___sys_sendmsg+0xee/0x170 [14218.846744][ T7704] __sys_sendmsg+0xcd/0x170 [14218.846744][ T7704] do_syscall_64+0xc6/0x1e0 [14218.846744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14218.846744][ T7704] [14218.848536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14218.848536][ T7704] neigh_parms_alloc+0x1e5/0x510 [14218.848536][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14218.848536][ T7704] ipv6_find_idev+0x102/0x170 [14218.848536][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14218.848536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14218.848536][ T7704] netlink_rcv_skb+0x130/0x360 [14218.848536][ T7704] netlink_unicast+0x449/0x710 [14218.848536][ T7704] netlink_sendmsg+0x723/0xbe0 [14218.848536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14218.848536][ T7704] ___sys_sendmsg+0xee/0x170 [14218.848536][ T7704] __sys_sendmsg+0xcd/0x170 [14218.848536][ T7704] do_syscall_64+0xc6/0x1e0 [14218.848536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14218.848536][ T7704] [14229.087002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14229.087503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14229.087503][ T7704] netdev_get_by_index+0x5e/0x80 [14229.087503][ T7704] fib6_nh_init+0x3d8/0x15b0 [14229.087503][ T7704] ip6_route_info_create+0xf18/0x17d0 [14229.087503][ T7704] ip6_route_add+0x1c/0x140 [14229.087503][ T7704] addrconf_prefix_route+0x2a6/0x430 [14229.087503][ T7704] inet6_addr_add+0x4f8/0xa40 [14229.087503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14229.087503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14229.087503][ T7704] netlink_rcv_skb+0x130/0x360 [14229.087503][ T7704] netlink_unicast+0x449/0x710 [14229.087503][ T7704] netlink_sendmsg+0x723/0xbe0 [14229.087503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14229.087503][ T7704] ___sys_sendmsg+0xee/0x170 [14229.087503][ T7704] __sys_sendmsg+0xcd/0x170 [14229.087503][ T7704] do_syscall_64+0xc6/0x1e0 [14229.087503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14229.087503][ T7704] [14229.089735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14229.089735][ T7704] netdev_get_by_index+0x5e/0x80 [14229.089735][ T7704] fib6_nh_init+0x3d8/0x15b0 [14229.089735][ T7704] ip6_route_info_create+0xf18/0x17d0 [14229.089735][ T7704] addrconf_f6i_alloc+0x315/0x560 [14229.089735][ T7704] ipv6_add_addr+0x411/0x2000 [14229.089735][ T7704] inet6_addr_add+0x30e/0xa40 [14229.089735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14229.089735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14229.089735][ T7704] netlink_rcv_skb+0x130/0x360 [14229.089735][ T7704] netlink_unicast+0x449/0x710 [14229.089735][ T7704] netlink_sendmsg+0x723/0xbe0 [14229.089735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14229.089735][ T7704] ___sys_sendmsg+0xee/0x170 [14229.089735][ T7704] __sys_sendmsg+0xcd/0x170 [14229.089735][ T7704] do_syscall_64+0xc6/0x1e0 [14229.089735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14229.089735][ T7704] [14229.091960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14229.091960][ T7704] netdev_get_by_index+0x5e/0x80 [14229.091960][ T7704] fib6_nh_init+0x3d8/0x15b0 [14229.091960][ T7704] ip6_route_info_create+0xf18/0x17d0 [14229.091960][ T7704] ip6_route_add+0x1c/0x140 [14229.091960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14229.091960][ T7704] addrconf_add_dev+0xe2/0x170 [14229.091960][ T7704] inet6_addr_add+0x12f/0xa40 [14229.091960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14229.091960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14229.091960][ T7704] netlink_rcv_skb+0x130/0x360 [14229.091960][ T7704] netlink_unicast+0x449/0x710 [14229.091960][ T7704] netlink_sendmsg+0x723/0xbe0 [14229.091960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14229.091960][ T7704] ___sys_sendmsg+0xee/0x170 [14229.091960][ T7704] __sys_sendmsg+0xcd/0x170 [14229.091960][ T7704] do_syscall_64+0xc6/0x1e0 [14229.091960][ T7704] [14229.094133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14229.094133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14229.094133][ T7704] ipv6_find_idev+0x102/0x170 [14229.094133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14229.094133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14229.094133][ T7704] netlink_rcv_skb+0x130/0x360 [14229.094133][ T7704] netlink_unicast+0x449/0x710 [14229.094133][ T7704] netlink_sendmsg+0x723/0xbe0 [14229.094133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14229.094133][ T7704] ___sys_sendmsg+0xee/0x170 [14229.094133][ T7704] __sys_sendmsg+0xcd/0x170 [14229.094133][ T7704] do_syscall_64+0xc6/0x1e0 [14229.094133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14229.094133][ T7704] [14229.095841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14229.095841][ T7704] neigh_parms_alloc+0x1e5/0x510 [14229.095841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14229.095841][ T7704] ipv6_find_idev+0x102/0x170 [14229.095841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14229.095841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14229.095841][ T7704] netlink_rcv_skb+0x130/0x360 [14229.095841][ T7704] netlink_unicast+0x449/0x710 [14229.095841][ T7704] netlink_sendmsg+0x723/0xbe0 [14229.095841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14229.095841][ T7704] ___sys_sendmsg+0xee/0x170 [14229.095841][ T7704] __sys_sendmsg+0xcd/0x170 [14229.095841][ T7704] do_syscall_64+0xc6/0x1e0 [14229.095841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14229.095841][ T7704] [14239.335005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14239.335755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14239.335755][ T7704] netdev_get_by_index+0x5e/0x80 [14239.335755][ T7704] fib6_nh_init+0x3d8/0x15b0 [14239.335755][ T7704] ip6_route_info_create+0xf18/0x17d0 [14239.335755][ T7704] ip6_route_add+0x1c/0x140 [14239.335755][ T7704] addrconf_prefix_route+0x2a6/0x430 [14239.335755][ T7704] inet6_addr_add+0x4f8/0xa40 [14239.335755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14239.335755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14239.335755][ T7704] netlink_rcv_skb+0x130/0x360 [14239.335755][ T7704] netlink_unicast+0x449/0x710 [14239.335755][ T7704] netlink_sendmsg+0x723/0xbe0 [14239.335755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14239.335755][ T7704] ___sys_sendmsg+0xee/0x170 [14239.335755][ T7704] __sys_sendmsg+0xcd/0x170 [14239.335755][ T7704] do_syscall_64+0xc6/0x1e0 [14239.335755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14239.335755][ T7704] [14239.338011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14239.338011][ T7704] netdev_get_by_index+0x5e/0x80 [14239.338011][ T7704] fib6_nh_init+0x3d8/0x15b0 [14239.338011][ T7704] ip6_route_info_create+0xf18/0x17d0 [14239.338011][ T7704] addrconf_f6i_alloc+0x315/0x560 [14239.338011][ T7704] ipv6_add_addr+0x411/0x2000 [14239.338011][ T7704] inet6_addr_add+0x30e/0xa40 [14239.338011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14239.338011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14239.338011][ T7704] netlink_rcv_skb+0x130/0x360 [14239.338011][ T7704] netlink_unicast+0x449/0x710 [14239.338011][ T7704] netlink_sendmsg+0x723/0xbe0 [14239.338011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14239.338011][ T7704] ___sys_sendmsg+0xee/0x170 [14239.338011][ T7704] __sys_sendmsg+0xcd/0x170 [14239.338011][ T7704] do_syscall_64+0xc6/0x1e0 [14239.338011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14239.338011][ T7704] [14239.340224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14239.340224][ T7704] netdev_get_by_index+0x5e/0x80 [14239.340224][ T7704] fib6_nh_init+0x3d8/0x15b0 [14239.340224][ T7704] ip6_route_info_create+0xf18/0x17d0 [14239.340224][ T7704] ip6_route_add+0x1c/0x140 [14239.340224][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14239.340224][ T7704] addrconf_add_dev+0xe2/0x170 [14239.340224][ T7704] inet6_addr_add+0x12f/0xa40 [14239.340224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14239.340224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14239.340224][ T7704] netlink_rcv_skb+0x130/0x360 [14239.340224][ T7704] netlink_unicast+0x449/0x710 [14239.340224][ T7704] netlink_sendmsg+0x723/0xbe0 [14239.340224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14239.340224][ T7704] ___sys_sendmsg+0xee/0x170 [14239.340224][ T7704] __sys_sendmsg+0xcd/0x170 [14239.340224][ T7704] do_syscall_64+0xc6/0x1e0 [14239.340224][ T7704] [14239.342371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14239.342371][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14239.342371][ T7704] ipv6_find_idev+0x102/0x170 [14239.342371][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14239.342371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14239.342371][ T7704] netlink_rcv_skb+0x130/0x360 [14239.342371][ T7704] netlink_unicast+0x449/0x710 [14239.342371][ T7704] netlink_sendmsg+0x723/0xbe0 [14239.342371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14239.342371][ T7704] ___sys_sendmsg+0xee/0x170 [14239.342371][ T7704] __sys_sendmsg+0xcd/0x170 [14239.342371][ T7704] do_syscall_64+0xc6/0x1e0 [14239.342371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14239.342371][ T7704] [14239.344103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14239.344103][ T7704] neigh_parms_alloc+0x1e5/0x510 [14239.344103][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14239.344103][ T7704] ipv6_find_idev+0x102/0x170 [14239.344103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14239.344103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14239.344103][ T7704] netlink_rcv_skb+0x130/0x360 [14239.344103][ T7704] netlink_unicast+0x449/0x710 [14239.344103][ T7704] netlink_sendmsg+0x723/0xbe0 [14239.344103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14239.344103][ T7704] ___sys_sendmsg+0xee/0x170 [14239.344103][ T7704] __sys_sendmsg+0xcd/0x170 [14239.344103][ T7704] do_syscall_64+0xc6/0x1e0 [14239.344103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14239.344103][ T7704] [14249.583001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14249.583720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14249.583720][ T7704] netdev_get_by_index+0x5e/0x80 [14249.583720][ T7704] fib6_nh_init+0x3d8/0x15b0 [14249.583720][ T7704] ip6_route_info_create+0xf18/0x17d0 [14249.583720][ T7704] ip6_route_add+0x1c/0x140 [14249.583720][ T7704] addrconf_prefix_route+0x2a6/0x430 [14249.583720][ T7704] inet6_addr_add+0x4f8/0xa40 [14249.583720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14249.583720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14249.583720][ T7704] netlink_rcv_skb+0x130/0x360 [14249.583720][ T7704] netlink_unicast+0x449/0x710 [14249.583720][ T7704] netlink_sendmsg+0x723/0xbe0 [14249.583720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14249.583720][ T7704] ___sys_sendmsg+0xee/0x170 [14249.583720][ T7704] __sys_sendmsg+0xcd/0x170 [14249.583720][ T7704] do_syscall_64+0xc6/0x1e0 [14249.583720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14249.583720][ T7704] [14249.585926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14249.585926][ T7704] netdev_get_by_index+0x5e/0x80 [14249.585926][ T7704] fib6_nh_init+0x3d8/0x15b0 [14249.585926][ T7704] ip6_route_info_create+0xf18/0x17d0 [14249.585926][ T7704] addrconf_f6i_alloc+0x315/0x560 [14249.585926][ T7704] ipv6_add_addr+0x411/0x2000 [14249.585926][ T7704] inet6_addr_add+0x30e/0xa40 [14249.585926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14249.585926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14249.585926][ T7704] netlink_rcv_skb+0x130/0x360 [14249.585926][ T7704] netlink_unicast+0x449/0x710 [14249.585926][ T7704] netlink_sendmsg+0x723/0xbe0 [14249.585926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14249.585926][ T7704] ___sys_sendmsg+0xee/0x170 [14249.585926][ T7704] __sys_sendmsg+0xcd/0x170 [14249.585926][ T7704] do_syscall_64+0xc6/0x1e0 [14249.585926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14249.585926][ T7704] [14249.588265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14249.588265][ T7704] netdev_get_by_index+0x5e/0x80 [14249.588265][ T7704] fib6_nh_init+0x3d8/0x15b0 [14249.588265][ T7704] ip6_route_info_create+0xf18/0x17d0 [14249.588265][ T7704] ip6_route_add+0x1c/0x140 [14249.588265][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14249.588265][ T7704] addrconf_add_dev+0xe2/0x170 [14249.588265][ T7704] inet6_addr_add+0x12f/0xa40 [14249.588265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14249.588265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14249.588265][ T7704] netlink_rcv_skb+0x130/0x360 [14249.588265][ T7704] netlink_unicast+0x449/0x710 [14249.588265][ T7704] netlink_sendmsg+0x723/0xbe0 [14249.588265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14249.588265][ T7704] ___sys_sendmsg+0xee/0x170 [14249.588265][ T7704] __sys_sendmsg+0xcd/0x170 [14249.588265][ T7704] do_syscall_64+0xc6/0x1e0 [14249.588265][ T7704] [14249.590462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14249.590462][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14249.590462][ T7704] ipv6_find_idev+0x102/0x170 [14249.590462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14249.590462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14249.590462][ T7704] netlink_rcv_skb+0x130/0x360 [14249.590462][ T7704] netlink_unicast+0x449/0x710 [14249.590462][ T7704] netlink_sendmsg+0x723/0xbe0 [14249.590462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14249.590462][ T7704] ___sys_sendmsg+0xee/0x170 [14249.590462][ T7704] __sys_sendmsg+0xcd/0x170 [14249.590462][ T7704] do_syscall_64+0xc6/0x1e0 [14249.590462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14249.590462][ T7704] [14249.592128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14249.592128][ T7704] neigh_parms_alloc+0x1e5/0x510 [14249.592128][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14249.592128][ T7704] ipv6_find_idev+0x102/0x170 [14249.592128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14249.592128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14249.592128][ T7704] netlink_rcv_skb+0x130/0x360 [14249.592128][ T7704] netlink_unicast+0x449/0x710 [14249.592128][ T7704] netlink_sendmsg+0x723/0xbe0 [14249.592128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14249.592128][ T7704] ___sys_sendmsg+0xee/0x170 [14249.592128][ T7704] __sys_sendmsg+0xcd/0x170 [14249.592128][ T7704] do_syscall_64+0xc6/0x1e0 [14249.592128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14249.592128][ T7704] [14259.831012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14259.831634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14259.831634][ T7704] netdev_get_by_index+0x5e/0x80 [14259.831634][ T7704] fib6_nh_init+0x3d8/0x15b0 [14259.831634][ T7704] ip6_route_info_create+0xf18/0x17d0 [14259.831634][ T7704] ip6_route_add+0x1c/0x140 [14259.831634][ T7704] addrconf_prefix_route+0x2a6/0x430 [14259.831634][ T7704] inet6_addr_add+0x4f8/0xa40 [14259.831634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14259.831634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14259.831634][ T7704] netlink_rcv_skb+0x130/0x360 [14259.831634][ T7704] netlink_unicast+0x449/0x710 [14259.831634][ T7704] netlink_sendmsg+0x723/0xbe0 [14259.831634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14259.831634][ T7704] ___sys_sendmsg+0xee/0x170 [14259.831634][ T7704] __sys_sendmsg+0xcd/0x170 [14259.831634][ T7704] do_syscall_64+0xc6/0x1e0 [14259.831634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14259.831634][ T7704] [14259.833862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14259.833862][ T7704] netdev_get_by_index+0x5e/0x80 [14259.833862][ T7704] fib6_nh_init+0x3d8/0x15b0 [14259.833862][ T7704] ip6_route_info_create+0xf18/0x17d0 [14259.833862][ T7704] addrconf_f6i_alloc+0x315/0x560 [14259.833862][ T7704] ipv6_add_addr+0x411/0x2000 [14259.833862][ T7704] inet6_addr_add+0x30e/0xa40 [14259.833862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14259.833862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14259.833862][ T7704] netlink_rcv_skb+0x130/0x360 [14259.833862][ T7704] netlink_unicast+0x449/0x710 [14259.833862][ T7704] netlink_sendmsg+0x723/0xbe0 [14259.833862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14259.833862][ T7704] ___sys_sendmsg+0xee/0x170 [14259.833862][ T7704] __sys_sendmsg+0xcd/0x170 [14259.833862][ T7704] do_syscall_64+0xc6/0x1e0 [14259.833862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14259.833862][ T7704] [14259.836077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14259.836077][ T7704] netdev_get_by_index+0x5e/0x80 [14259.836077][ T7704] fib6_nh_init+0x3d8/0x15b0 [14259.836077][ T7704] ip6_route_info_create+0xf18/0x17d0 [14259.836077][ T7704] ip6_route_add+0x1c/0x140 [14259.836077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14259.836077][ T7704] addrconf_add_dev+0xe2/0x170 [14259.836077][ T7704] inet6_addr_add+0x12f/0xa40 [14259.836077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14259.836077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14259.836077][ T7704] netlink_rcv_skb+0x130/0x360 [14259.836077][ T7704] netlink_unicast+0x449/0x710 [14259.836077][ T7704] netlink_sendmsg+0x723/0xbe0 [14259.836077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14259.836077][ T7704] ___sys_sendmsg+0xee/0x170 [14259.836077][ T7704] __sys_sendmsg+0xcd/0x170 [14259.836077][ T7704] do_syscall_64+0xc6/0x1e0 [14259.836077][ T7704] [14259.838192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14259.838192][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14259.838192][ T7704] ipv6_find_idev+0x102/0x170 [14259.838192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14259.838192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14259.838192][ T7704] netlink_rcv_skb+0x130/0x360 [14259.838192][ T7704] netlink_unicast+0x449/0x710 [14259.838192][ T7704] netlink_sendmsg+0x723/0xbe0 [14259.838192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14259.838192][ T7704] ___sys_sendmsg+0xee/0x170 [14259.838192][ T7704] __sys_sendmsg+0xcd/0x170 [14259.838192][ T7704] do_syscall_64+0xc6/0x1e0 [14259.838192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14259.838192][ T7704] [14259.839868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14259.839868][ T7704] neigh_parms_alloc+0x1e5/0x510 [14259.839868][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14259.839868][ T7704] ipv6_find_idev+0x102/0x170 [14259.839868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14259.839868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14259.839868][ T7704] netlink_rcv_skb+0x130/0x360 [14259.839868][ T7704] netlink_unicast+0x449/0x710 [14259.839868][ T7704] netlink_sendmsg+0x723/0xbe0 [14259.839868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14259.839868][ T7704] ___sys_sendmsg+0xee/0x170 [14259.839868][ T7704] __sys_sendmsg+0xcd/0x170 [14259.839868][ T7704] do_syscall_64+0xc6/0x1e0 [14259.839868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14259.839868][ T7704] [14270.079013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14270.079592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14270.079592][ T7704] netdev_get_by_index+0x5e/0x80 [14270.079592][ T7704] fib6_nh_init+0x3d8/0x15b0 [14270.079592][ T7704] ip6_route_info_create+0xf18/0x17d0 [14270.079592][ T7704] ip6_route_add+0x1c/0x140 [14270.079592][ T7704] addrconf_prefix_route+0x2a6/0x430 [14270.079592][ T7704] inet6_addr_add+0x4f8/0xa40 [14270.079592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14270.079592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14270.079592][ T7704] netlink_rcv_skb+0x130/0x360 [14270.079592][ T7704] netlink_unicast+0x449/0x710 [14270.079592][ T7704] netlink_sendmsg+0x723/0xbe0 [14270.079592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14270.079592][ T7704] ___sys_sendmsg+0xee/0x170 [14270.079592][ T7704] __sys_sendmsg+0xcd/0x170 [14270.079592][ T7704] do_syscall_64+0xc6/0x1e0 [14270.079592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14270.079592][ T7704] [14270.081821][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14270.081821][ T7704] netdev_get_by_index+0x5e/0x80 [14270.081821][ T7704] fib6_nh_init+0x3d8/0x15b0 [14270.081821][ T7704] ip6_route_info_create+0xf18/0x17d0 [14270.081821][ T7704] addrconf_f6i_alloc+0x315/0x560 [14270.081821][ T7704] ipv6_add_addr+0x411/0x2000 [14270.081821][ T7704] inet6_addr_add+0x30e/0xa40 [14270.081821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14270.081821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14270.081821][ T7704] netlink_rcv_skb+0x130/0x360 [14270.081821][ T7704] netlink_unicast+0x449/0x710 [14270.081821][ T7704] netlink_sendmsg+0x723/0xbe0 [14270.081821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14270.081821][ T7704] ___sys_sendmsg+0xee/0x170 [14270.081821][ T7704] __sys_sendmsg+0xcd/0x170 [14270.081821][ T7704] do_syscall_64+0xc6/0x1e0 [14270.081821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14270.081821][ T7704] [14270.084155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14270.084155][ T7704] netdev_get_by_index+0x5e/0x80 [14270.084155][ T7704] fib6_nh_init+0x3d8/0x15b0 [14270.084155][ T7704] ip6_route_info_create+0xf18/0x17d0 [14270.084155][ T7704] ip6_route_add+0x1c/0x140 [14270.084155][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14270.084155][ T7704] addrconf_add_dev+0xe2/0x170 [14270.084155][ T7704] inet6_addr_add+0x12f/0xa40 [14270.084155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14270.084155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14270.084155][ T7704] netlink_rcv_skb+0x130/0x360 [14270.084155][ T7704] netlink_unicast+0x449/0x710 [14270.084155][ T7704] netlink_sendmsg+0x723/0xbe0 [14270.084155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14270.084155][ T7704] ___sys_sendmsg+0xee/0x170 [14270.084155][ T7704] __sys_sendmsg+0xcd/0x170 [14270.084155][ T7704] do_syscall_64+0xc6/0x1e0 [14270.084155][ T7704] [14270.086278][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14270.086278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14270.086278][ T7704] ipv6_find_idev+0x102/0x170 [14270.086278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14270.086278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14270.086278][ T7704] netlink_rcv_skb+0x130/0x360 [14270.086278][ T7704] netlink_unicast+0x449/0x710 [14270.086278][ T7704] netlink_sendmsg+0x723/0xbe0 [14270.086278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14270.086278][ T7704] ___sys_sendmsg+0xee/0x170 [14270.086278][ T7704] __sys_sendmsg+0xcd/0x170 [14270.086278][ T7704] do_syscall_64+0xc6/0x1e0 [14270.086278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14270.086278][ T7704] [14270.087943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14270.087943][ T7704] neigh_parms_alloc+0x1e5/0x510 [14270.087943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14270.087943][ T7704] ipv6_find_idev+0x102/0x170 [14270.087943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14270.087943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14270.087943][ T7704] netlink_rcv_skb+0x130/0x360 [14270.087943][ T7704] netlink_unicast+0x449/0x710 [14270.087943][ T7704] netlink_sendmsg+0x723/0xbe0 [14270.087943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14270.087943][ T7704] ___sys_sendmsg+0xee/0x170 [14270.087943][ T7704] __sys_sendmsg+0xcd/0x170 [14270.087943][ T7704] do_syscall_64+0xc6/0x1e0 [14270.087943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14270.087943][ T7704] [14280.326997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14280.327581][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14280.327581][ T7704] netdev_get_by_index+0x5e/0x80 [14280.327581][ T7704] fib6_nh_init+0x3d8/0x15b0 [14280.327581][ T7704] ip6_route_info_create+0xf18/0x17d0 [14280.327581][ T7704] ip6_route_add+0x1c/0x140 [14280.327581][ T7704] addrconf_prefix_route+0x2a6/0x430 [14280.327581][ T7704] inet6_addr_add+0x4f8/0xa40 [14280.327581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14280.327581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14280.327581][ T7704] netlink_rcv_skb+0x130/0x360 [14280.327581][ T7704] netlink_unicast+0x449/0x710 [14280.327581][ T7704] netlink_sendmsg+0x723/0xbe0 [14280.327581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14280.327581][ T7704] ___sys_sendmsg+0xee/0x170 [14280.327581][ T7704] __sys_sendmsg+0xcd/0x170 [14280.327581][ T7704] do_syscall_64+0xc6/0x1e0 [14280.327581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14280.327581][ T7704] [14280.329764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14280.329764][ T7704] netdev_get_by_index+0x5e/0x80 [14280.329764][ T7704] fib6_nh_init+0x3d8/0x15b0 [14280.329764][ T7704] ip6_route_info_create+0xf18/0x17d0 [14280.329764][ T7704] addrconf_f6i_alloc+0x315/0x560 [14280.329764][ T7704] ipv6_add_addr+0x411/0x2000 [14280.329764][ T7704] inet6_addr_add+0x30e/0xa40 [14280.329764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14280.329764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14280.329764][ T7704] netlink_rcv_skb+0x130/0x360 [14280.329764][ T7704] netlink_unicast+0x449/0x710 [14280.329764][ T7704] netlink_sendmsg+0x723/0xbe0 [14280.329764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14280.329764][ T7704] ___sys_sendmsg+0xee/0x170 [14280.329764][ T7704] __sys_sendmsg+0xcd/0x170 [14280.329764][ T7704] do_syscall_64+0xc6/0x1e0 [14280.329764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14280.329764][ T7704] [14280.332002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14280.332002][ T7704] netdev_get_by_index+0x5e/0x80 [14280.332002][ T7704] fib6_nh_init+0x3d8/0x15b0 [14280.332002][ T7704] ip6_route_info_create+0xf18/0x17d0 [14280.332002][ T7704] ip6_route_add+0x1c/0x140 [14280.332002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14280.332002][ T7704] addrconf_add_dev+0xe2/0x170 [14280.332002][ T7704] inet6_addr_add+0x12f/0xa40 [14280.332002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14280.332002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14280.332002][ T7704] netlink_rcv_skb+0x130/0x360 [14280.332002][ T7704] netlink_unicast+0x449/0x710 [14280.332002][ T7704] netlink_sendmsg+0x723/0xbe0 [14280.332002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14280.332002][ T7704] ___sys_sendmsg+0xee/0x170 [14280.332002][ T7704] __sys_sendmsg+0xcd/0x170 [14280.332002][ T7704] do_syscall_64+0xc6/0x1e0 [14280.332002][ T7704] [14280.334230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14280.334230][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14280.334230][ T7704] ipv6_find_idev+0x102/0x170 [14280.334230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14280.334230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14280.334230][ T7704] netlink_rcv_skb+0x130/0x360 [14280.334230][ T7704] netlink_unicast+0x449/0x710 [14280.334230][ T7704] netlink_sendmsg+0x723/0xbe0 [14280.334230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14280.334230][ T7704] ___sys_sendmsg+0xee/0x170 [14280.334230][ T7704] __sys_sendmsg+0xcd/0x170 [14280.334230][ T7704] do_syscall_64+0xc6/0x1e0 [14280.334230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14280.334230][ T7704] [14280.335932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14280.335932][ T7704] neigh_parms_alloc+0x1e5/0x510 [14280.335932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14280.335932][ T7704] ipv6_find_idev+0x102/0x170 [14280.335932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14280.335932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14280.335932][ T7704] netlink_rcv_skb+0x130/0x360 [14280.335932][ T7704] netlink_unicast+0x449/0x710 [14280.335932][ T7704] netlink_sendmsg+0x723/0xbe0 [14280.335932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14280.335932][ T7704] ___sys_sendmsg+0xee/0x170 [14280.335932][ T7704] __sys_sendmsg+0xcd/0x170 [14280.335932][ T7704] do_syscall_64+0xc6/0x1e0 [14280.335932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14280.335932][ T7704] [14290.383017][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14290.383608][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14290.383608][ T7704] netdev_get_by_index+0x5e/0x80 [14290.383608][ T7704] fib6_nh_init+0x3d8/0x15b0 [14290.383608][ T7704] ip6_route_info_create+0xf18/0x17d0 [14290.383608][ T7704] ip6_route_add+0x1c/0x140 [14290.383608][ T7704] addrconf_prefix_route+0x2a6/0x430 [14290.383608][ T7704] inet6_addr_add+0x4f8/0xa40 [14290.383608][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14290.383608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14290.383608][ T7704] netlink_rcv_skb+0x130/0x360 [14290.383608][ T7704] netlink_unicast+0x449/0x710 [14290.383608][ T7704] netlink_sendmsg+0x723/0xbe0 [14290.383608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14290.383608][ T7704] ___sys_sendmsg+0xee/0x170 [14290.383608][ T7704] __sys_sendmsg+0xcd/0x170 [14290.383608][ T7704] do_syscall_64+0xc6/0x1e0 [14290.383608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14290.383608][ T7704] [14290.385846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14290.385846][ T7704] netdev_get_by_index+0x5e/0x80 [14290.385846][ T7704] fib6_nh_init+0x3d8/0x15b0 [14290.385846][ T7704] ip6_route_info_create+0xf18/0x17d0 [14290.385846][ T7704] addrconf_f6i_alloc+0x315/0x560 [14290.385846][ T7704] ipv6_add_addr+0x411/0x2000 [14290.385846][ T7704] inet6_addr_add+0x30e/0xa40 [14290.385846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14290.385846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14290.385846][ T7704] netlink_rcv_skb+0x130/0x360 [14290.385846][ T7704] netlink_unicast+0x449/0x710 [14290.385846][ T7704] netlink_sendmsg+0x723/0xbe0 [14290.385846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14290.385846][ T7704] ___sys_sendmsg+0xee/0x170 [14290.385846][ T7704] __sys_sendmsg+0xcd/0x170 [14290.385846][ T7704] do_syscall_64+0xc6/0x1e0 [14290.385846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14290.385846][ T7704] [14290.388006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14290.388006][ T7704] netdev_get_by_index+0x5e/0x80 [14290.388006][ T7704] fib6_nh_init+0x3d8/0x15b0 [14290.388006][ T7704] ip6_route_info_create+0xf18/0x17d0 [14290.388006][ T7704] ip6_route_add+0x1c/0x140 [14290.388006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14290.388006][ T7704] addrconf_add_dev+0xe2/0x170 [14290.388006][ T7704] inet6_addr_add+0x12f/0xa40 [14290.388006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14290.388006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14290.388006][ T7704] netlink_rcv_skb+0x130/0x360 [14290.388006][ T7704] netlink_unicast+0x449/0x710 [14290.388006][ T7704] netlink_sendmsg+0x723/0xbe0 [14290.388006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14290.388006][ T7704] ___sys_sendmsg+0xee/0x170 [14290.388006][ T7704] __sys_sendmsg+0xcd/0x170 [14290.388006][ T7704] do_syscall_64+0xc6/0x1e0 [14290.388006][ T7704] [14290.390131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14290.390131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14290.390131][ T7704] ipv6_find_idev+0x102/0x170 [14290.390131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14290.390131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14290.390131][ T7704] netlink_rcv_skb+0x130/0x360 [14290.390131][ T7704] netlink_unicast+0x449/0x710 [14290.390131][ T7704] netlink_sendmsg+0x723/0xbe0 [14290.390131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14290.390131][ T7704] ___sys_sendmsg+0xee/0x170 [14290.390131][ T7704] __sys_sendmsg+0xcd/0x170 [14290.390131][ T7704] do_syscall_64+0xc6/0x1e0 [14290.390131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14290.390131][ T7704] [14290.391862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14290.391862][ T7704] neigh_parms_alloc+0x1e5/0x510 [14290.391862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14290.391862][ T7704] ipv6_find_idev+0x102/0x170 [14290.391862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14290.391862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14290.391862][ T7704] netlink_rcv_skb+0x130/0x360 [14290.391862][ T7704] netlink_unicast+0x449/0x710 [14290.391862][ T7704] netlink_sendmsg+0x723/0xbe0 [14290.391862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14290.391862][ T7704] ___sys_sendmsg+0xee/0x170 [14290.391862][ T7704] __sys_sendmsg+0xcd/0x170 [14290.391862][ T7704] do_syscall_64+0xc6/0x1e0 [14290.391862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14290.391862][ T7704] [14300.639006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14300.639786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14300.639786][ T7704] netdev_get_by_index+0x5e/0x80 [14300.639786][ T7704] fib6_nh_init+0x3d8/0x15b0 [14300.639786][ T7704] ip6_route_info_create+0xf18/0x17d0 [14300.639786][ T7704] ip6_route_add+0x1c/0x140 [14300.639786][ T7704] addrconf_prefix_route+0x2a6/0x430 [14300.639786][ T7704] inet6_addr_add+0x4f8/0xa40 [14300.639786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14300.639786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14300.639786][ T7704] netlink_rcv_skb+0x130/0x360 [14300.639786][ T7704] netlink_unicast+0x449/0x710 [14300.639786][ T7704] netlink_sendmsg+0x723/0xbe0 [14300.639786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14300.639786][ T7704] ___sys_sendmsg+0xee/0x170 [14300.639786][ T7704] __sys_sendmsg+0xcd/0x170 [14300.639786][ T7704] do_syscall_64+0xc6/0x1e0 [14300.639786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14300.639786][ T7704] [14300.641963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14300.641963][ T7704] netdev_get_by_index+0x5e/0x80 [14300.641963][ T7704] fib6_nh_init+0x3d8/0x15b0 [14300.641963][ T7704] ip6_route_info_create+0xf18/0x17d0 [14300.641963][ T7704] addrconf_f6i_alloc+0x315/0x560 [14300.641963][ T7704] ipv6_add_addr+0x411/0x2000 [14300.641963][ T7704] inet6_addr_add+0x30e/0xa40 [14300.641963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14300.641963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14300.641963][ T7704] netlink_rcv_skb+0x130/0x360 [14300.641963][ T7704] netlink_unicast+0x449/0x710 [14300.641963][ T7704] netlink_sendmsg+0x723/0xbe0 [14300.641963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14300.641963][ T7704] ___sys_sendmsg+0xee/0x170 [14300.641963][ T7704] __sys_sendmsg+0xcd/0x170 [14300.641963][ T7704] do_syscall_64+0xc6/0x1e0 [14300.641963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14300.641963][ T7704] [14300.644205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14300.644205][ T7704] netdev_get_by_index+0x5e/0x80 [14300.644205][ T7704] fib6_nh_init+0x3d8/0x15b0 [14300.644205][ T7704] ip6_route_info_create+0xf18/0x17d0 [14300.644205][ T7704] ip6_route_add+0x1c/0x140 [14300.644205][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14300.644205][ T7704] addrconf_add_dev+0xe2/0x170 [14300.644205][ T7704] inet6_addr_add+0x12f/0xa40 [14300.644205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14300.644205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14300.644205][ T7704] netlink_rcv_skb+0x130/0x360 [14300.644205][ T7704] netlink_unicast+0x449/0x710 [14300.644205][ T7704] netlink_sendmsg+0x723/0xbe0 [14300.644205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14300.644205][ T7704] ___sys_sendmsg+0xee/0x170 [14300.644205][ T7704] __sys_sendmsg+0xcd/0x170 [14300.644205][ T7704] do_syscall_64+0xc6/0x1e0 [14300.644205][ T7704] [14300.646334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14300.646334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14300.646334][ T7704] ipv6_find_idev+0x102/0x170 [14300.646334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14300.646334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14300.646334][ T7704] netlink_rcv_skb+0x130/0x360 [14300.646334][ T7704] netlink_unicast+0x449/0x710 [14300.646334][ T7704] netlink_sendmsg+0x723/0xbe0 [14300.646334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14300.646334][ T7704] ___sys_sendmsg+0xee/0x170 [14300.646334][ T7704] __sys_sendmsg+0xcd/0x170 [14300.646334][ T7704] do_syscall_64+0xc6/0x1e0 [14300.646334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14300.646334][ T7704] [14300.648052][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14300.648052][ T7704] neigh_parms_alloc+0x1e5/0x510 [14300.648052][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14300.648052][ T7704] ipv6_find_idev+0x102/0x170 [14300.648052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14300.648052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14300.648052][ T7704] netlink_rcv_skb+0x130/0x360 [14300.648052][ T7704] netlink_unicast+0x449/0x710 [14300.648052][ T7704] netlink_sendmsg+0x723/0xbe0 [14300.648052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14300.648052][ T7704] ___sys_sendmsg+0xee/0x170 [14300.648052][ T7704] __sys_sendmsg+0xcd/0x170 [14300.648052][ T7704] do_syscall_64+0xc6/0x1e0 [14300.648052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14300.648052][ T7704] [14310.895002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14310.895710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14310.895710][ T7704] netdev_get_by_index+0x5e/0x80 [14310.895710][ T7704] fib6_nh_init+0x3d8/0x15b0 [14310.895710][ T7704] ip6_route_info_create+0xf18/0x17d0 [14310.895710][ T7704] ip6_route_add+0x1c/0x140 [14310.895710][ T7704] addrconf_prefix_route+0x2a6/0x430 [14310.895710][ T7704] inet6_addr_add+0x4f8/0xa40 [14310.895710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14310.895710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14310.895710][ T7704] netlink_rcv_skb+0x130/0x360 [14310.895710][ T7704] netlink_unicast+0x449/0x710 [14310.895710][ T7704] netlink_sendmsg+0x723/0xbe0 [14310.895710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14310.895710][ T7704] ___sys_sendmsg+0xee/0x170 [14310.895710][ T7704] __sys_sendmsg+0xcd/0x170 [14310.895710][ T7704] do_syscall_64+0xc6/0x1e0 [14310.895710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14310.895710][ T7704] [14310.897919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14310.897919][ T7704] netdev_get_by_index+0x5e/0x80 [14310.897919][ T7704] fib6_nh_init+0x3d8/0x15b0 [14310.897919][ T7704] ip6_route_info_create+0xf18/0x17d0 [14310.897919][ T7704] addrconf_f6i_alloc+0x315/0x560 [14310.897919][ T7704] ipv6_add_addr+0x411/0x2000 [14310.897919][ T7704] inet6_addr_add+0x30e/0xa40 [14310.897919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14310.897919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14310.897919][ T7704] netlink_rcv_skb+0x130/0x360 [14310.897919][ T7704] netlink_unicast+0x449/0x710 [14310.897919][ T7704] netlink_sendmsg+0x723/0xbe0 [14310.897919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14310.897919][ T7704] ___sys_sendmsg+0xee/0x170 [14310.897919][ T7704] __sys_sendmsg+0xcd/0x170 [14310.897919][ T7704] do_syscall_64+0xc6/0x1e0 [14310.897919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14310.897919][ T7704] [14310.900079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14310.900079][ T7704] netdev_get_by_index+0x5e/0x80 [14310.900079][ T7704] fib6_nh_init+0x3d8/0x15b0 [14310.900079][ T7704] ip6_route_info_create+0xf18/0x17d0 [14310.900079][ T7704] ip6_route_add+0x1c/0x140 [14310.900079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14310.900079][ T7704] addrconf_add_dev+0xe2/0x170 [14310.900079][ T7704] inet6_addr_add+0x12f/0xa40 [14310.900079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14310.900079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14310.900079][ T7704] netlink_rcv_skb+0x130/0x360 [14310.900079][ T7704] netlink_unicast+0x449/0x710 [14310.900079][ T7704] netlink_sendmsg+0x723/0xbe0 [14310.900079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14310.900079][ T7704] ___sys_sendmsg+0xee/0x170 [14310.900079][ T7704] __sys_sendmsg+0xcd/0x170 [14310.900079][ T7704] do_syscall_64+0xc6/0x1e0 [14310.900079][ T7704] [14310.902249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14310.902249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14310.902249][ T7704] ipv6_find_idev+0x102/0x170 [14310.902249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14310.902249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14310.902249][ T7704] netlink_rcv_skb+0x130/0x360 [14310.902249][ T7704] netlink_unicast+0x449/0x710 [14310.902249][ T7704] netlink_sendmsg+0x723/0xbe0 [14310.902249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14310.902249][ T7704] ___sys_sendmsg+0xee/0x170 [14310.902249][ T7704] __sys_sendmsg+0xcd/0x170 [14310.902249][ T7704] do_syscall_64+0xc6/0x1e0 [14310.902249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14310.902249][ T7704] [14310.904056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14310.904056][ T7704] neigh_parms_alloc+0x1e5/0x510 [14310.904056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14310.904056][ T7704] ipv6_find_idev+0x102/0x170 [14310.904056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14310.904056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14310.904056][ T7704] netlink_rcv_skb+0x130/0x360 [14310.904056][ T7704] netlink_unicast+0x449/0x710 [14310.904056][ T7704] netlink_sendmsg+0x723/0xbe0 [14310.904056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14310.904056][ T7704] ___sys_sendmsg+0xee/0x170 [14310.904056][ T7704] __sys_sendmsg+0xcd/0x170 [14310.904056][ T7704] do_syscall_64+0xc6/0x1e0 [14310.904056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14310.904056][ T7704] [14321.159002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14321.159628][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14321.159628][ T7704] netdev_get_by_index+0x5e/0x80 [14321.159628][ T7704] fib6_nh_init+0x3d8/0x15b0 [14321.159628][ T7704] ip6_route_info_create+0xf18/0x17d0 [14321.159628][ T7704] ip6_route_add+0x1c/0x140 [14321.159628][ T7704] addrconf_prefix_route+0x2a6/0x430 [14321.159628][ T7704] inet6_addr_add+0x4f8/0xa40 [14321.159628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14321.159628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14321.159628][ T7704] netlink_rcv_skb+0x130/0x360 [14321.159628][ T7704] netlink_unicast+0x449/0x710 [14321.159628][ T7704] netlink_sendmsg+0x723/0xbe0 [14321.159628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14321.159628][ T7704] ___sys_sendmsg+0xee/0x170 [14321.159628][ T7704] __sys_sendmsg+0xcd/0x170 [14321.159628][ T7704] do_syscall_64+0xc6/0x1e0 [14321.159628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14321.159628][ T7704] [14321.161931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14321.161931][ T7704] netdev_get_by_index+0x5e/0x80 [14321.161931][ T7704] fib6_nh_init+0x3d8/0x15b0 [14321.161931][ T7704] ip6_route_info_create+0xf18/0x17d0 [14321.161931][ T7704] addrconf_f6i_alloc+0x315/0x560 [14321.161931][ T7704] ipv6_add_addr+0x411/0x2000 [14321.161931][ T7704] inet6_addr_add+0x30e/0xa40 [14321.161931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14321.161931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14321.161931][ T7704] netlink_rcv_skb+0x130/0x360 [14321.161931][ T7704] netlink_unicast+0x449/0x710 [14321.161931][ T7704] netlink_sendmsg+0x723/0xbe0 [14321.161931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14321.161931][ T7704] ___sys_sendmsg+0xee/0x170 [14321.161931][ T7704] __sys_sendmsg+0xcd/0x170 [14321.161931][ T7704] do_syscall_64+0xc6/0x1e0 [14321.161931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14321.161931][ T7704] [14321.164189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14321.164189][ T7704] netdev_get_by_index+0x5e/0x80 [14321.164189][ T7704] fib6_nh_init+0x3d8/0x15b0 [14321.164189][ T7704] ip6_route_info_create+0xf18/0x17d0 [14321.164189][ T7704] ip6_route_add+0x1c/0x140 [14321.164189][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14321.164189][ T7704] addrconf_add_dev+0xe2/0x170 [14321.164189][ T7704] inet6_addr_add+0x12f/0xa40 [14321.164189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14321.164189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14321.164189][ T7704] netlink_rcv_skb+0x130/0x360 [14321.164189][ T7704] netlink_unicast+0x449/0x710 [14321.164189][ T7704] netlink_sendmsg+0x723/0xbe0 [14321.164189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14321.164189][ T7704] ___sys_sendmsg+0xee/0x170 [14321.164189][ T7704] __sys_sendmsg+0xcd/0x170 [14321.164189][ T7704] do_syscall_64+0xc6/0x1e0 [14321.164189][ T7704] [14321.166309][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14321.166309][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14321.166309][ T7704] ipv6_find_idev+0x102/0x170 [14321.166309][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14321.166309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14321.166309][ T7704] netlink_rcv_skb+0x130/0x360 [14321.166309][ T7704] netlink_unicast+0x449/0x710 [14321.166309][ T7704] netlink_sendmsg+0x723/0xbe0 [14321.166309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14321.166309][ T7704] ___sys_sendmsg+0xee/0x170 [14321.166309][ T7704] __sys_sendmsg+0xcd/0x170 [14321.166309][ T7704] do_syscall_64+0xc6/0x1e0 [14321.166309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14321.166309][ T7704] [14321.167971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14321.167971][ T7704] neigh_parms_alloc+0x1e5/0x510 [14321.167971][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14321.167971][ T7704] ipv6_find_idev+0x102/0x170 [14321.167971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14321.167971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14321.167971][ T7704] netlink_rcv_skb+0x130/0x360 [14321.167971][ T7704] netlink_unicast+0x449/0x710 [14321.167971][ T7704] netlink_sendmsg+0x723/0xbe0 [14321.167971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14321.167971][ T7704] ___sys_sendmsg+0xee/0x170 [14321.167971][ T7704] __sys_sendmsg+0xcd/0x170 [14321.167971][ T7704] do_syscall_64+0xc6/0x1e0 [14321.167971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14321.167971][ T7704] [14331.414932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14331.415418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14331.415418][ T7704] netdev_get_by_index+0x5e/0x80 [14331.415418][ T7704] fib6_nh_init+0x3d8/0x15b0 [14331.415418][ T7704] ip6_route_info_create+0xf18/0x17d0 [14331.415418][ T7704] ip6_route_add+0x1c/0x140 [14331.415418][ T7704] addrconf_prefix_route+0x2a6/0x430 [14331.415418][ T7704] inet6_addr_add+0x4f8/0xa40 [14331.415418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14331.415418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14331.415418][ T7704] netlink_rcv_skb+0x130/0x360 [14331.415418][ T7704] netlink_unicast+0x449/0x710 [14331.415418][ T7704] netlink_sendmsg+0x723/0xbe0 [14331.415418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14331.415418][ T7704] ___sys_sendmsg+0xee/0x170 [14331.415418][ T7704] __sys_sendmsg+0xcd/0x170 [14331.415418][ T7704] do_syscall_64+0xc6/0x1e0 [14331.415418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14331.415418][ T7704] [14331.417676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14331.417676][ T7704] netdev_get_by_index+0x5e/0x80 [14331.417676][ T7704] fib6_nh_init+0x3d8/0x15b0 [14331.417676][ T7704] ip6_route_info_create+0xf18/0x17d0 [14331.417676][ T7704] addrconf_f6i_alloc+0x315/0x560 [14331.417676][ T7704] ipv6_add_addr+0x411/0x2000 [14331.417676][ T7704] inet6_addr_add+0x30e/0xa40 [14331.417676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14331.417676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14331.417676][ T7704] netlink_rcv_skb+0x130/0x360 [14331.417676][ T7704] netlink_unicast+0x449/0x710 [14331.417676][ T7704] netlink_sendmsg+0x723/0xbe0 [14331.417676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14331.417676][ T7704] ___sys_sendmsg+0xee/0x170 [14331.417676][ T7704] __sys_sendmsg+0xcd/0x170 [14331.417676][ T7704] do_syscall_64+0xc6/0x1e0 [14331.417676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14331.417676][ T7704] [14331.419893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14331.419893][ T7704] netdev_get_by_index+0x5e/0x80 [14331.419893][ T7704] fib6_nh_init+0x3d8/0x15b0 [14331.419893][ T7704] ip6_route_info_create+0xf18/0x17d0 [14331.419893][ T7704] ip6_route_add+0x1c/0x140 [14331.419893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14331.419893][ T7704] addrconf_add_dev+0xe2/0x170 [14331.419893][ T7704] inet6_addr_add+0x12f/0xa40 [14331.419893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14331.419893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14331.419893][ T7704] netlink_rcv_skb+0x130/0x360 [14331.419893][ T7704] netlink_unicast+0x449/0x710 [14331.419893][ T7704] netlink_sendmsg+0x723/0xbe0 [14331.419893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14331.419893][ T7704] ___sys_sendmsg+0xee/0x170 [14331.419893][ T7704] __sys_sendmsg+0xcd/0x170 [14331.419893][ T7704] do_syscall_64+0xc6/0x1e0 [14331.419893][ T7704] [14331.422073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14331.422073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14331.422073][ T7704] ipv6_find_idev+0x102/0x170 [14331.422073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14331.422073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14331.422073][ T7704] netlink_rcv_skb+0x130/0x360 [14331.422073][ T7704] netlink_unicast+0x449/0x710 [14331.422073][ T7704] netlink_sendmsg+0x723/0xbe0 [14331.422073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14331.422073][ T7704] ___sys_sendmsg+0xee/0x170 [14331.422073][ T7704] __sys_sendmsg+0xcd/0x170 [14331.422073][ T7704] do_syscall_64+0xc6/0x1e0 [14331.422073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14331.422073][ T7704] [14331.423793][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14331.423793][ T7704] neigh_parms_alloc+0x1e5/0x510 [14331.423793][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14331.423793][ T7704] ipv6_find_idev+0x102/0x170 [14331.423793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14331.423793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14331.423793][ T7704] netlink_rcv_skb+0x130/0x360 [14331.423793][ T7704] netlink_unicast+0x449/0x710 [14331.423793][ T7704] netlink_sendmsg+0x723/0xbe0 [14331.423793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14331.423793][ T7704] ___sys_sendmsg+0xee/0x170 [14331.423793][ T7704] __sys_sendmsg+0xcd/0x170 [14331.423793][ T7704] do_syscall_64+0xc6/0x1e0 [14331.423793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14331.423793][ T7704] [14341.671024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14341.671515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14341.671515][ T7704] netdev_get_by_index+0x5e/0x80 [14341.671515][ T7704] fib6_nh_init+0x3d8/0x15b0 [14341.671515][ T7704] ip6_route_info_create+0xf18/0x17d0 [14341.671515][ T7704] ip6_route_add+0x1c/0x140 [14341.671515][ T7704] addrconf_prefix_route+0x2a6/0x430 [14341.671515][ T7704] inet6_addr_add+0x4f8/0xa40 [14341.671515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14341.671515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14341.671515][ T7704] netlink_rcv_skb+0x130/0x360 [14341.671515][ T7704] netlink_unicast+0x449/0x710 [14341.671515][ T7704] netlink_sendmsg+0x723/0xbe0 [14341.671515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14341.671515][ T7704] ___sys_sendmsg+0xee/0x170 [14341.671515][ T7704] __sys_sendmsg+0xcd/0x170 [14341.671515][ T7704] do_syscall_64+0xc6/0x1e0 [14341.671515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14341.671515][ T7704] [14341.673781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14341.673781][ T7704] netdev_get_by_index+0x5e/0x80 [14341.673781][ T7704] fib6_nh_init+0x3d8/0x15b0 [14341.673781][ T7704] ip6_route_info_create+0xf18/0x17d0 [14341.673781][ T7704] addrconf_f6i_alloc+0x315/0x560 [14341.673781][ T7704] ipv6_add_addr+0x411/0x2000 [14341.673781][ T7704] inet6_addr_add+0x30e/0xa40 [14341.673781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14341.673781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14341.673781][ T7704] netlink_rcv_skb+0x130/0x360 [14341.673781][ T7704] netlink_unicast+0x449/0x710 [14341.673781][ T7704] netlink_sendmsg+0x723/0xbe0 [14341.673781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14341.673781][ T7704] ___sys_sendmsg+0xee/0x170 [14341.673781][ T7704] __sys_sendmsg+0xcd/0x170 [14341.673781][ T7704] do_syscall_64+0xc6/0x1e0 [14341.673781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14341.673781][ T7704] [14341.676003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14341.676003][ T7704] netdev_get_by_index+0x5e/0x80 [14341.676003][ T7704] fib6_nh_init+0x3d8/0x15b0 [14341.676003][ T7704] ip6_route_info_create+0xf18/0x17d0 [14341.676003][ T7704] ip6_route_add+0x1c/0x140 [14341.676003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14341.676003][ T7704] addrconf_add_dev+0xe2/0x170 [14341.676003][ T7704] inet6_addr_add+0x12f/0xa40 [14341.676003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14341.676003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14341.676003][ T7704] netlink_rcv_skb+0x130/0x360 [14341.676003][ T7704] netlink_unicast+0x449/0x710 [14341.676003][ T7704] netlink_sendmsg+0x723/0xbe0 [14341.676003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14341.676003][ T7704] ___sys_sendmsg+0xee/0x170 [14341.676003][ T7704] __sys_sendmsg+0xcd/0x170 [14341.676003][ T7704] do_syscall_64+0xc6/0x1e0 [14341.676003][ T7704] [14341.678182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14341.678182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14341.678182][ T7704] ipv6_find_idev+0x102/0x170 [14341.678182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14341.678182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14341.678182][ T7704] netlink_rcv_skb+0x130/0x360 [14341.678182][ T7704] netlink_unicast+0x449/0x710 [14341.678182][ T7704] netlink_sendmsg+0x723/0xbe0 [14341.678182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14341.678182][ T7704] ___sys_sendmsg+0xee/0x170 [14341.678182][ T7704] __sys_sendmsg+0xcd/0x170 [14341.678182][ T7704] do_syscall_64+0xc6/0x1e0 [14341.678182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14341.678182][ T7704] [14341.679909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14341.679909][ T7704] neigh_parms_alloc+0x1e5/0x510 [14341.679909][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14341.679909][ T7704] ipv6_find_idev+0x102/0x170 [14341.679909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14341.679909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14341.679909][ T7704] netlink_rcv_skb+0x130/0x360 [14341.679909][ T7704] netlink_unicast+0x449/0x710 [14341.679909][ T7704] netlink_sendmsg+0x723/0xbe0 [14341.679909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14341.679909][ T7704] ___sys_sendmsg+0xee/0x170 [14341.679909][ T7704] __sys_sendmsg+0xcd/0x170 [14341.679909][ T7704] do_syscall_64+0xc6/0x1e0 [14341.679909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14341.679909][ T7704] [14351.742934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14351.743417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14351.743417][ T7704] netdev_get_by_index+0x5e/0x80 [14351.743417][ T7704] fib6_nh_init+0x3d8/0x15b0 [14351.743417][ T7704] ip6_route_info_create+0xf18/0x17d0 [14351.743417][ T7704] ip6_route_add+0x1c/0x140 [14351.743417][ T7704] addrconf_prefix_route+0x2a6/0x430 [14351.743417][ T7704] inet6_addr_add+0x4f8/0xa40 [14351.743417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14351.743417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14351.743417][ T7704] netlink_rcv_skb+0x130/0x360 [14351.743417][ T7704] netlink_unicast+0x449/0x710 [14351.743417][ T7704] netlink_sendmsg+0x723/0xbe0 [14351.743417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14351.743417][ T7704] ___sys_sendmsg+0xee/0x170 [14351.743417][ T7704] __sys_sendmsg+0xcd/0x170 [14351.743417][ T7704] do_syscall_64+0xc6/0x1e0 [14351.743417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14351.743417][ T7704] [14351.746181][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14351.746181][ T7704] netdev_get_by_index+0x5e/0x80 [14351.746181][ T7704] fib6_nh_init+0x3d8/0x15b0 [14351.746181][ T7704] ip6_route_info_create+0xf18/0x17d0 [14351.746181][ T7704] addrconf_f6i_alloc+0x315/0x560 [14351.746181][ T7704] ipv6_add_addr+0x411/0x2000 [14351.746181][ T7704] inet6_addr_add+0x30e/0xa40 [14351.746181][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14351.746181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14351.746181][ T7704] netlink_rcv_skb+0x130/0x360 [14351.746181][ T7704] netlink_unicast+0x449/0x710 [14351.746181][ T7704] netlink_sendmsg+0x723/0xbe0 [14351.746181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14351.746181][ T7704] ___sys_sendmsg+0xee/0x170 [14351.746181][ T7704] __sys_sendmsg+0xcd/0x170 [14351.746181][ T7704] do_syscall_64+0xc6/0x1e0 [14351.746181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14351.746181][ T7704] [14351.748401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14351.748401][ T7704] netdev_get_by_index+0x5e/0x80 [14351.748401][ T7704] fib6_nh_init+0x3d8/0x15b0 [14351.748401][ T7704] ip6_route_info_create+0xf18/0x17d0 [14351.748401][ T7704] ip6_route_add+0x1c/0x140 [14351.748401][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14351.748401][ T7704] addrconf_add_dev+0xe2/0x170 [14351.748401][ T7704] inet6_addr_add+0x12f/0xa40 [14351.748401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14351.748401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14351.748401][ T7704] netlink_rcv_skb+0x130/0x360 [14351.748401][ T7704] netlink_unicast+0x449/0x710 [14351.748401][ T7704] netlink_sendmsg+0x723/0xbe0 [14351.748401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14351.748401][ T7704] ___sys_sendmsg+0xee/0x170 [14351.748401][ T7704] __sys_sendmsg+0xcd/0x170 [14351.748401][ T7704] do_syscall_64+0xc6/0x1e0 [14351.748401][ T7704] [14351.750580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14351.750580][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14351.750580][ T7704] ipv6_find_idev+0x102/0x170 [14351.750580][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14351.750580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14351.750580][ T7704] netlink_rcv_skb+0x130/0x360 [14351.750580][ T7704] netlink_unicast+0x449/0x710 [14351.750580][ T7704] netlink_sendmsg+0x723/0xbe0 [14351.750580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14351.750580][ T7704] ___sys_sendmsg+0xee/0x170 [14351.750580][ T7704] __sys_sendmsg+0xcd/0x170 [14351.750580][ T7704] do_syscall_64+0xc6/0x1e0 [14351.750580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14351.750580][ T7704] [14351.752286][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14351.752286][ T7704] neigh_parms_alloc+0x1e5/0x510 [14351.752286][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14351.752286][ T7704] ipv6_find_idev+0x102/0x170 [14351.752286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14351.752286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14351.752286][ T7704] netlink_rcv_skb+0x130/0x360 [14351.752286][ T7704] netlink_unicast+0x449/0x710 [14351.752286][ T7704] netlink_sendmsg+0x723/0xbe0 [14351.752286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14351.752286][ T7704] ___sys_sendmsg+0xee/0x170 [14351.752286][ T7704] __sys_sendmsg+0xcd/0x170 [14351.752286][ T7704] do_syscall_64+0xc6/0x1e0 [14351.752286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14351.752286][ T7704] [14361.990945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14361.991426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14361.991426][ T7704] netdev_get_by_index+0x5e/0x80 [14361.991426][ T7704] fib6_nh_init+0x3d8/0x15b0 [14361.991426][ T7704] ip6_route_info_create+0xf18/0x17d0 [14361.991426][ T7704] ip6_route_add+0x1c/0x140 [14361.991426][ T7704] addrconf_prefix_route+0x2a6/0x430 [14361.991426][ T7704] inet6_addr_add+0x4f8/0xa40 [14361.991426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14361.991426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14361.991426][ T7704] netlink_rcv_skb+0x130/0x360 [14361.991426][ T7704] netlink_unicast+0x449/0x710 [14361.991426][ T7704] netlink_sendmsg+0x723/0xbe0 [14361.991426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14361.991426][ T7704] ___sys_sendmsg+0xee/0x170 [14361.991426][ T7704] __sys_sendmsg+0xcd/0x170 [14361.991426][ T7704] do_syscall_64+0xc6/0x1e0 [14361.991426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14361.991426][ T7704] [14361.993683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14361.993683][ T7704] netdev_get_by_index+0x5e/0x80 [14361.993683][ T7704] fib6_nh_init+0x3d8/0x15b0 [14361.993683][ T7704] ip6_route_info_create+0xf18/0x17d0 [14361.993683][ T7704] addrconf_f6i_alloc+0x315/0x560 [14361.993683][ T7704] ipv6_add_addr+0x411/0x2000 [14361.993683][ T7704] inet6_addr_add+0x30e/0xa40 [14361.993683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14361.993683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14361.993683][ T7704] netlink_rcv_skb+0x130/0x360 [14361.993683][ T7704] netlink_unicast+0x449/0x710 [14361.993683][ T7704] netlink_sendmsg+0x723/0xbe0 [14361.993683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14361.993683][ T7704] ___sys_sendmsg+0xee/0x170 [14361.993683][ T7704] __sys_sendmsg+0xcd/0x170 [14361.993683][ T7704] do_syscall_64+0xc6/0x1e0 [14361.993683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14361.993683][ T7704] [14361.996005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14361.996005][ T7704] netdev_get_by_index+0x5e/0x80 [14361.996005][ T7704] fib6_nh_init+0x3d8/0x15b0 [14361.996005][ T7704] ip6_route_info_create+0xf18/0x17d0 [14361.996005][ T7704] ip6_route_add+0x1c/0x140 [14361.996005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14361.996005][ T7704] addrconf_add_dev+0xe2/0x170 [14361.996005][ T7704] inet6_addr_add+0x12f/0xa40 [14361.996005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14361.996005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14361.996005][ T7704] netlink_rcv_skb+0x130/0x360 [14361.996005][ T7704] netlink_unicast+0x449/0x710 [14361.996005][ T7704] netlink_sendmsg+0x723/0xbe0 [14361.996005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14361.996005][ T7704] ___sys_sendmsg+0xee/0x170 [14361.996005][ T7704] __sys_sendmsg+0xcd/0x170 [14361.996005][ T7704] do_syscall_64+0xc6/0x1e0 [14361.996005][ T7704] [14361.998184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14361.998184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14361.998184][ T7704] ipv6_find_idev+0x102/0x170 [14361.998184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14361.998184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14361.998184][ T7704] netlink_rcv_skb+0x130/0x360 [14361.998184][ T7704] netlink_unicast+0x449/0x710 [14361.998184][ T7704] netlink_sendmsg+0x723/0xbe0 [14361.998184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14361.998184][ T7704] ___sys_sendmsg+0xee/0x170 [14361.998184][ T7704] __sys_sendmsg+0xcd/0x170 [14361.998184][ T7704] do_syscall_64+0xc6/0x1e0 [14361.998184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14361.998184][ T7704] [14361.999887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14361.999887][ T7704] neigh_parms_alloc+0x1e5/0x510 [14361.999887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14361.999887][ T7704] ipv6_find_idev+0x102/0x170 [14361.999887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14361.999887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14361.999887][ T7704] netlink_rcv_skb+0x130/0x360 [14361.999887][ T7704] netlink_unicast+0x449/0x710 [14361.999887][ T7704] netlink_sendmsg+0x723/0xbe0 [14361.999887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14361.999887][ T7704] ___sys_sendmsg+0xee/0x170 [14361.999887][ T7704] __sys_sendmsg+0xcd/0x170 [14361.999887][ T7704] do_syscall_64+0xc6/0x1e0 [14361.999887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14361.999887][ T7704] [14372.102958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14372.103659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14372.103659][ T7704] netdev_get_by_index+0x5e/0x80 [14372.103659][ T7704] fib6_nh_init+0x3d8/0x15b0 [14372.103659][ T7704] ip6_route_info_create+0xf18/0x17d0 [14372.103659][ T7704] ip6_route_add+0x1c/0x140 [14372.103659][ T7704] addrconf_prefix_route+0x2a6/0x430 [14372.103659][ T7704] inet6_addr_add+0x4f8/0xa40 [14372.103659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14372.103659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14372.103659][ T7704] netlink_rcv_skb+0x130/0x360 [14372.103659][ T7704] netlink_unicast+0x449/0x710 [14372.103659][ T7704] netlink_sendmsg+0x723/0xbe0 [14372.103659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14372.103659][ T7704] ___sys_sendmsg+0xee/0x170 [14372.103659][ T7704] __sys_sendmsg+0xcd/0x170 [14372.103659][ T7704] do_syscall_64+0xc6/0x1e0 [14372.103659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14372.103659][ T7704] [14372.105897][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14372.105897][ T7704] netdev_get_by_index+0x5e/0x80 [14372.105897][ T7704] fib6_nh_init+0x3d8/0x15b0 [14372.105897][ T7704] ip6_route_info_create+0xf18/0x17d0 [14372.105897][ T7704] addrconf_f6i_alloc+0x315/0x560 [14372.105897][ T7704] ipv6_add_addr+0x411/0x2000 [14372.105897][ T7704] inet6_addr_add+0x30e/0xa40 [14372.105897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14372.105897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14372.105897][ T7704] netlink_rcv_skb+0x130/0x360 [14372.105897][ T7704] netlink_unicast+0x449/0x710 [14372.105897][ T7704] netlink_sendmsg+0x723/0xbe0 [14372.105897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14372.105897][ T7704] ___sys_sendmsg+0xee/0x170 [14372.105897][ T7704] __sys_sendmsg+0xcd/0x170 [14372.105897][ T7704] do_syscall_64+0xc6/0x1e0 [14372.105897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14372.105897][ T7704] [14372.108132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14372.108132][ T7704] netdev_get_by_index+0x5e/0x80 [14372.108132][ T7704] fib6_nh_init+0x3d8/0x15b0 [14372.108132][ T7704] ip6_route_info_create+0xf18/0x17d0 [14372.108132][ T7704] ip6_route_add+0x1c/0x140 [14372.108132][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14372.108132][ T7704] addrconf_add_dev+0xe2/0x170 [14372.108132][ T7704] inet6_addr_add+0x12f/0xa40 [14372.108132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14372.108132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14372.108132][ T7704] netlink_rcv_skb+0x130/0x360 [14372.108132][ T7704] netlink_unicast+0x449/0x710 [14372.108132][ T7704] netlink_sendmsg+0x723/0xbe0 [14372.108132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14372.108132][ T7704] ___sys_sendmsg+0xee/0x170 [14372.108132][ T7704] __sys_sendmsg+0xcd/0x170 [14372.108132][ T7704] do_syscall_64+0xc6/0x1e0 [14372.108132][ T7704] [14372.110339][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14372.110339][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14372.110339][ T7704] ipv6_find_idev+0x102/0x170 [14372.110339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14372.110339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14372.110339][ T7704] netlink_rcv_skb+0x130/0x360 [14372.110339][ T7704] netlink_unicast+0x449/0x710 [14372.110339][ T7704] netlink_sendmsg+0x723/0xbe0 [14372.110339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14372.110339][ T7704] ___sys_sendmsg+0xee/0x170 [14372.110339][ T7704] __sys_sendmsg+0xcd/0x170 [14372.110339][ T7704] do_syscall_64+0xc6/0x1e0 [14372.110339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14372.110339][ T7704] [14372.112038][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14372.112038][ T7704] neigh_parms_alloc+0x1e5/0x510 [14372.112038][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14372.112038][ T7704] ipv6_find_idev+0x102/0x170 [14372.112038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14372.112038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14372.112038][ T7704] netlink_rcv_skb+0x130/0x360 [14372.112038][ T7704] netlink_unicast+0x449/0x710 [14372.112038][ T7704] netlink_sendmsg+0x723/0xbe0 [14372.112038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14372.112038][ T7704] ___sys_sendmsg+0xee/0x170 [14372.112038][ T7704] __sys_sendmsg+0xcd/0x170 [14372.112038][ T7704] do_syscall_64+0xc6/0x1e0 [14372.112038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14372.112038][ T7704] [14382.350882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14382.351373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14382.351373][ T7704] netdev_get_by_index+0x5e/0x80 [14382.351373][ T7704] fib6_nh_init+0x3d8/0x15b0 [14382.351373][ T7704] ip6_route_info_create+0xf18/0x17d0 [14382.351373][ T7704] ip6_route_add+0x1c/0x140 [14382.351373][ T7704] addrconf_prefix_route+0x2a6/0x430 [14382.351373][ T7704] inet6_addr_add+0x4f8/0xa40 [14382.351373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14382.351373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14382.351373][ T7704] netlink_rcv_skb+0x130/0x360 [14382.351373][ T7704] netlink_unicast+0x449/0x710 [14382.351373][ T7704] netlink_sendmsg+0x723/0xbe0 [14382.351373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14382.351373][ T7704] ___sys_sendmsg+0xee/0x170 [14382.351373][ T7704] __sys_sendmsg+0xcd/0x170 [14382.351373][ T7704] do_syscall_64+0xc6/0x1e0 [14382.351373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14382.351373][ T7704] [14382.353639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14382.353639][ T7704] netdev_get_by_index+0x5e/0x80 [14382.353639][ T7704] fib6_nh_init+0x3d8/0x15b0 [14382.353639][ T7704] ip6_route_info_create+0xf18/0x17d0 [14382.353639][ T7704] addrconf_f6i_alloc+0x315/0x560 [14382.353639][ T7704] ipv6_add_addr+0x411/0x2000 [14382.353639][ T7704] inet6_addr_add+0x30e/0xa40 [14382.353639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14382.353639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14382.353639][ T7704] netlink_rcv_skb+0x130/0x360 [14382.353639][ T7704] netlink_unicast+0x449/0x710 [14382.353639][ T7704] netlink_sendmsg+0x723/0xbe0 [14382.353639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14382.353639][ T7704] ___sys_sendmsg+0xee/0x170 [14382.353639][ T7704] __sys_sendmsg+0xcd/0x170 [14382.353639][ T7704] do_syscall_64+0xc6/0x1e0 [14382.353639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14382.353639][ T7704] [14382.356012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14382.356012][ T7704] netdev_get_by_index+0x5e/0x80 [14382.356012][ T7704] fib6_nh_init+0x3d8/0x15b0 [14382.356012][ T7704] ip6_route_info_create+0xf18/0x17d0 [14382.356012][ T7704] ip6_route_add+0x1c/0x140 [14382.356012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14382.356012][ T7704] addrconf_add_dev+0xe2/0x170 [14382.356012][ T7704] inet6_addr_add+0x12f/0xa40 [14382.356012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14382.356012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14382.356012][ T7704] netlink_rcv_skb+0x130/0x360 [14382.356012][ T7704] netlink_unicast+0x449/0x710 [14382.356012][ T7704] netlink_sendmsg+0x723/0xbe0 [14382.356012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14382.356012][ T7704] ___sys_sendmsg+0xee/0x170 [14382.356012][ T7704] __sys_sendmsg+0xcd/0x170 [14382.356012][ T7704] do_syscall_64+0xc6/0x1e0 [14382.356012][ T7704] [14382.358232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14382.358232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14382.358232][ T7704] ipv6_find_idev+0x102/0x170 [14382.358232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14382.358232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14382.358232][ T7704] netlink_rcv_skb+0x130/0x360 [14382.358232][ T7704] netlink_unicast+0x449/0x710 [14382.358232][ T7704] netlink_sendmsg+0x723/0xbe0 [14382.358232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14382.358232][ T7704] ___sys_sendmsg+0xee/0x170 [14382.358232][ T7704] __sys_sendmsg+0xcd/0x170 [14382.358232][ T7704] do_syscall_64+0xc6/0x1e0 [14382.358232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14382.358232][ T7704] [14382.359963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14382.359963][ T7704] neigh_parms_alloc+0x1e5/0x510 [14382.359963][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14382.359963][ T7704] ipv6_find_idev+0x102/0x170 [14382.359963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14382.359963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14382.359963][ T7704] netlink_rcv_skb+0x130/0x360 [14382.359963][ T7704] netlink_unicast+0x449/0x710 [14382.359963][ T7704] netlink_sendmsg+0x723/0xbe0 [14382.359963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14382.359963][ T7704] ___sys_sendmsg+0xee/0x170 [14382.359963][ T7704] __sys_sendmsg+0xcd/0x170 [14382.359963][ T7704] do_syscall_64+0xc6/0x1e0 [14382.359963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14382.359963][ T7704] [14392.598943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14392.599436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14392.599436][ T7704] netdev_get_by_index+0x5e/0x80 [14392.599436][ T7704] fib6_nh_init+0x3d8/0x15b0 [14392.599436][ T7704] ip6_route_info_create+0xf18/0x17d0 [14392.599436][ T7704] ip6_route_add+0x1c/0x140 [14392.599436][ T7704] addrconf_prefix_route+0x2a6/0x430 [14392.599436][ T7704] inet6_addr_add+0x4f8/0xa40 [14392.599436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14392.599436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14392.599436][ T7704] netlink_rcv_skb+0x130/0x360 [14392.599436][ T7704] netlink_unicast+0x449/0x710 [14392.599436][ T7704] netlink_sendmsg+0x723/0xbe0 [14392.599436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14392.599436][ T7704] ___sys_sendmsg+0xee/0x170 [14392.599436][ T7704] __sys_sendmsg+0xcd/0x170 [14392.599436][ T7704] do_syscall_64+0xc6/0x1e0 [14392.599436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14392.599436][ T7704] [14392.601702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14392.601702][ T7704] netdev_get_by_index+0x5e/0x80 [14392.601702][ T7704] fib6_nh_init+0x3d8/0x15b0 [14392.601702][ T7704] ip6_route_info_create+0xf18/0x17d0 [14392.601702][ T7704] addrconf_f6i_alloc+0x315/0x560 [14392.601702][ T7704] ipv6_add_addr+0x411/0x2000 [14392.601702][ T7704] inet6_addr_add+0x30e/0xa40 [14392.601702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14392.601702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14392.601702][ T7704] netlink_rcv_skb+0x130/0x360 [14392.601702][ T7704] netlink_unicast+0x449/0x710 [14392.601702][ T7704] netlink_sendmsg+0x723/0xbe0 [14392.601702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14392.601702][ T7704] ___sys_sendmsg+0xee/0x170 [14392.601702][ T7704] __sys_sendmsg+0xcd/0x170 [14392.601702][ T7704] do_syscall_64+0xc6/0x1e0 [14392.601702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14392.601702][ T7704] [14392.603981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14392.603981][ T7704] netdev_get_by_index+0x5e/0x80 [14392.603981][ T7704] fib6_nh_init+0x3d8/0x15b0 [14392.603981][ T7704] ip6_route_info_create+0xf18/0x17d0 [14392.603981][ T7704] ip6_route_add+0x1c/0x140 [14392.603981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14392.603981][ T7704] addrconf_add_dev+0xe2/0x170 [14392.603981][ T7704] inet6_addr_add+0x12f/0xa40 [14392.603981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14392.603981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14392.603981][ T7704] netlink_rcv_skb+0x130/0x360 [14392.603981][ T7704] netlink_unicast+0x449/0x710 [14392.603981][ T7704] netlink_sendmsg+0x723/0xbe0 [14392.603981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14392.603981][ T7704] ___sys_sendmsg+0xee/0x170 [14392.603981][ T7704] __sys_sendmsg+0xcd/0x170 [14392.603981][ T7704] do_syscall_64+0xc6/0x1e0 [14392.603981][ T7704] [14392.606213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14392.606213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14392.606213][ T7704] ipv6_find_idev+0x102/0x170 [14392.606213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14392.606213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14392.606213][ T7704] netlink_rcv_skb+0x130/0x360 [14392.606213][ T7704] netlink_unicast+0x449/0x710 [14392.606213][ T7704] netlink_sendmsg+0x723/0xbe0 [14392.606213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14392.606213][ T7704] ___sys_sendmsg+0xee/0x170 [14392.606213][ T7704] __sys_sendmsg+0xcd/0x170 [14392.606213][ T7704] do_syscall_64+0xc6/0x1e0 [14392.606213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14392.606213][ T7704] [14392.607899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14392.607899][ T7704] neigh_parms_alloc+0x1e5/0x510 [14392.607899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14392.607899][ T7704] ipv6_find_idev+0x102/0x170 [14392.607899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14392.607899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14392.607899][ T7704] netlink_rcv_skb+0x130/0x360 [14392.607899][ T7704] netlink_unicast+0x449/0x710 [14392.607899][ T7704] netlink_sendmsg+0x723/0xbe0 [14392.607899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14392.607899][ T7704] ___sys_sendmsg+0xee/0x170 [14392.607899][ T7704] __sys_sendmsg+0xcd/0x170 [14392.607899][ T7704] do_syscall_64+0xc6/0x1e0 [14392.607899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14392.607899][ T7704] [14402.846966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14402.847468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14402.847468][ T7704] netdev_get_by_index+0x5e/0x80 [14402.847468][ T7704] fib6_nh_init+0x3d8/0x15b0 [14402.847468][ T7704] ip6_route_info_create+0xf18/0x17d0 [14402.847468][ T7704] ip6_route_add+0x1c/0x140 [14402.847468][ T7704] addrconf_prefix_route+0x2a6/0x430 [14402.847468][ T7704] inet6_addr_add+0x4f8/0xa40 [14402.847468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14402.847468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14402.847468][ T7704] netlink_rcv_skb+0x130/0x360 [14402.847468][ T7704] netlink_unicast+0x449/0x710 [14402.847468][ T7704] netlink_sendmsg+0x723/0xbe0 [14402.847468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14402.847468][ T7704] ___sys_sendmsg+0xee/0x170 [14402.847468][ T7704] __sys_sendmsg+0xcd/0x170 [14402.847468][ T7704] do_syscall_64+0xc6/0x1e0 [14402.847468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14402.847468][ T7704] [14402.849774][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14402.849774][ T7704] netdev_get_by_index+0x5e/0x80 [14402.849774][ T7704] fib6_nh_init+0x3d8/0x15b0 [14402.849774][ T7704] ip6_route_info_create+0xf18/0x17d0 [14402.849774][ T7704] addrconf_f6i_alloc+0x315/0x560 [14402.849774][ T7704] ipv6_add_addr+0x411/0x2000 [14402.849774][ T7704] inet6_addr_add+0x30e/0xa40 [14402.849774][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14402.849774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14402.849774][ T7704] netlink_rcv_skb+0x130/0x360 [14402.849774][ T7704] netlink_unicast+0x449/0x710 [14402.849774][ T7704] netlink_sendmsg+0x723/0xbe0 [14402.849774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14402.849774][ T7704] ___sys_sendmsg+0xee/0x170 [14402.849774][ T7704] __sys_sendmsg+0xcd/0x170 [14402.849774][ T7704] do_syscall_64+0xc6/0x1e0 [14402.849774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14402.849774][ T7704] [14402.852056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14402.852056][ T7704] netdev_get_by_index+0x5e/0x80 [14402.852056][ T7704] fib6_nh_init+0x3d8/0x15b0 [14402.852056][ T7704] ip6_route_info_create+0xf18/0x17d0 [14402.852056][ T7704] ip6_route_add+0x1c/0x140 [14402.852056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14402.852056][ T7704] addrconf_add_dev+0xe2/0x170 [14402.852056][ T7704] inet6_addr_add+0x12f/0xa40 [14402.852056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14402.852056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14402.852056][ T7704] netlink_rcv_skb+0x130/0x360 [14402.852056][ T7704] netlink_unicast+0x449/0x710 [14402.852056][ T7704] netlink_sendmsg+0x723/0xbe0 [14402.852056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14402.852056][ T7704] ___sys_sendmsg+0xee/0x170 [14402.852056][ T7704] __sys_sendmsg+0xcd/0x170 [14402.852056][ T7704] do_syscall_64+0xc6/0x1e0 [14402.852056][ T7704] [14402.854318][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14402.854318][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14402.854318][ T7704] ipv6_find_idev+0x102/0x170 [14402.854318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14402.854318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14402.854318][ T7704] netlink_rcv_skb+0x130/0x360 [14402.854318][ T7704] netlink_unicast+0x449/0x710 [14402.854318][ T7704] netlink_sendmsg+0x723/0xbe0 [14402.854318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14402.854318][ T7704] ___sys_sendmsg+0xee/0x170 [14402.854318][ T7704] __sys_sendmsg+0xcd/0x170 [14402.854318][ T7704] do_syscall_64+0xc6/0x1e0 [14402.854318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14402.854318][ T7704] [14402.856069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14402.856069][ T7704] neigh_parms_alloc+0x1e5/0x510 [14402.856069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14402.856069][ T7704] ipv6_find_idev+0x102/0x170 [14402.856069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14402.856069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14402.856069][ T7704] netlink_rcv_skb+0x130/0x360 [14402.856069][ T7704] netlink_unicast+0x449/0x710 [14402.856069][ T7704] netlink_sendmsg+0x723/0xbe0 [14402.856069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14402.856069][ T7704] ___sys_sendmsg+0xee/0x170 [14402.856069][ T7704] __sys_sendmsg+0xcd/0x170 [14402.856069][ T7704] do_syscall_64+0xc6/0x1e0 [14402.856069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14402.856069][ T7704] [14413.335003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14413.335514][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14413.335514][ T7704] netdev_get_by_index+0x5e/0x80 [14413.335514][ T7704] fib6_nh_init+0x3d8/0x15b0 [14413.335514][ T7704] ip6_route_info_create+0xf18/0x17d0 [14413.335514][ T7704] ip6_route_add+0x1c/0x140 [14413.335514][ T7704] addrconf_prefix_route+0x2a6/0x430 [14413.335514][ T7704] inet6_addr_add+0x4f8/0xa40 [14413.335514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14413.335514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14413.335514][ T7704] netlink_rcv_skb+0x130/0x360 [14413.335514][ T7704] netlink_unicast+0x449/0x710 [14413.335514][ T7704] netlink_sendmsg+0x723/0xbe0 [14413.335514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14413.335514][ T7704] ___sys_sendmsg+0xee/0x170 [14413.335514][ T7704] __sys_sendmsg+0xcd/0x170 [14413.335514][ T7704] do_syscall_64+0xc6/0x1e0 [14413.335514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14413.335514][ T7704] [14413.337831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14413.337831][ T7704] netdev_get_by_index+0x5e/0x80 [14413.337831][ T7704] fib6_nh_init+0x3d8/0x15b0 [14413.337831][ T7704] ip6_route_info_create+0xf18/0x17d0 [14413.337831][ T7704] addrconf_f6i_alloc+0x315/0x560 [14413.337831][ T7704] ipv6_add_addr+0x411/0x2000 [14413.337831][ T7704] inet6_addr_add+0x30e/0xa40 [14413.337831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14413.337831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14413.337831][ T7704] netlink_rcv_skb+0x130/0x360 [14413.337831][ T7704] netlink_unicast+0x449/0x710 [14413.337831][ T7704] netlink_sendmsg+0x723/0xbe0 [14413.337831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14413.337831][ T7704] ___sys_sendmsg+0xee/0x170 [14413.337831][ T7704] __sys_sendmsg+0xcd/0x170 [14413.337831][ T7704] do_syscall_64+0xc6/0x1e0 [14413.337831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14413.337831][ T7704] [14413.340123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14413.340123][ T7704] netdev_get_by_index+0x5e/0x80 [14413.340123][ T7704] fib6_nh_init+0x3d8/0x15b0 [14413.340123][ T7704] ip6_route_info_create+0xf18/0x17d0 [14413.340123][ T7704] ip6_route_add+0x1c/0x140 [14413.340123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14413.340123][ T7704] addrconf_add_dev+0xe2/0x170 [14413.340123][ T7704] inet6_addr_add+0x12f/0xa40 [14413.340123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14413.340123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14413.340123][ T7704] netlink_rcv_skb+0x130/0x360 [14413.340123][ T7704] netlink_unicast+0x449/0x710 [14413.340123][ T7704] netlink_sendmsg+0x723/0xbe0 [14413.340123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14413.340123][ T7704] ___sys_sendmsg+0xee/0x170 [14413.340123][ T7704] __sys_sendmsg+0xcd/0x170 [14413.340123][ T7704] do_syscall_64+0xc6/0x1e0 [14413.340123][ T7704] [14413.342377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14413.342377][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14413.342377][ T7704] ipv6_find_idev+0x102/0x170 [14413.342377][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14413.342377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14413.342377][ T7704] netlink_rcv_skb+0x130/0x360 [14413.342377][ T7704] netlink_unicast+0x449/0x710 [14413.342377][ T7704] netlink_sendmsg+0x723/0xbe0 [14413.342377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14413.342377][ T7704] ___sys_sendmsg+0xee/0x170 [14413.342377][ T7704] __sys_sendmsg+0xcd/0x170 [14413.342377][ T7704] do_syscall_64+0xc6/0x1e0 [14413.342377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14413.342377][ T7704] [14413.344142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14413.344142][ T7704] neigh_parms_alloc+0x1e5/0x510 [14413.344142][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14413.344142][ T7704] ipv6_find_idev+0x102/0x170 [14413.344142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14413.344142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14413.344142][ T7704] netlink_rcv_skb+0x130/0x360 [14413.344142][ T7704] netlink_unicast+0x449/0x710 [14413.344142][ T7704] netlink_sendmsg+0x723/0xbe0 [14413.344142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14413.344142][ T7704] ___sys_sendmsg+0xee/0x170 [14413.344142][ T7704] __sys_sendmsg+0xcd/0x170 [14413.344142][ T7704] do_syscall_64+0xc6/0x1e0 [14413.344142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14413.344142][ T7704] [14423.583019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14423.583810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14423.583810][ T7704] netdev_get_by_index+0x5e/0x80 [14423.583810][ T7704] fib6_nh_init+0x3d8/0x15b0 [14423.583810][ T7704] ip6_route_info_create+0xf18/0x17d0 [14423.583810][ T7704] ip6_route_add+0x1c/0x140 [14423.583810][ T7704] addrconf_prefix_route+0x2a6/0x430 [14423.583810][ T7704] inet6_addr_add+0x4f8/0xa40 [14423.583810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14423.583810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14423.583810][ T7704] netlink_rcv_skb+0x130/0x360 [14423.583810][ T7704] netlink_unicast+0x449/0x710 [14423.583810][ T7704] netlink_sendmsg+0x723/0xbe0 [14423.583810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14423.583810][ T7704] ___sys_sendmsg+0xee/0x170 [14423.583810][ T7704] __sys_sendmsg+0xcd/0x170 [14423.583810][ T7704] do_syscall_64+0xc6/0x1e0 [14423.583810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14423.583810][ T7704] [14423.586093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14423.586093][ T7704] netdev_get_by_index+0x5e/0x80 [14423.586093][ T7704] fib6_nh_init+0x3d8/0x15b0 [14423.586093][ T7704] ip6_route_info_create+0xf18/0x17d0 [14423.586093][ T7704] addrconf_f6i_alloc+0x315/0x560 [14423.586093][ T7704] ipv6_add_addr+0x411/0x2000 [14423.586093][ T7704] inet6_addr_add+0x30e/0xa40 [14423.586093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14423.586093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14423.586093][ T7704] netlink_rcv_skb+0x130/0x360 [14423.586093][ T7704] netlink_unicast+0x449/0x710 [14423.586093][ T7704] netlink_sendmsg+0x723/0xbe0 [14423.586093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14423.586093][ T7704] ___sys_sendmsg+0xee/0x170 [14423.586093][ T7704] __sys_sendmsg+0xcd/0x170 [14423.586093][ T7704] do_syscall_64+0xc6/0x1e0 [14423.586093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14423.586093][ T7704] [14423.588372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14423.588372][ T7704] netdev_get_by_index+0x5e/0x80 [14423.588372][ T7704] fib6_nh_init+0x3d8/0x15b0 [14423.588372][ T7704] ip6_route_info_create+0xf18/0x17d0 [14423.588372][ T7704] ip6_route_add+0x1c/0x140 [14423.588372][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14423.588372][ T7704] addrconf_add_dev+0xe2/0x170 [14423.588372][ T7704] inet6_addr_add+0x12f/0xa40 [14423.588372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14423.588372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14423.588372][ T7704] netlink_rcv_skb+0x130/0x360 [14423.588372][ T7704] netlink_unicast+0x449/0x710 [14423.588372][ T7704] netlink_sendmsg+0x723/0xbe0 [14423.588372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14423.588372][ T7704] ___sys_sendmsg+0xee/0x170 [14423.588372][ T7704] __sys_sendmsg+0xcd/0x170 [14423.588372][ T7704] do_syscall_64+0xc6/0x1e0 [14423.588372][ T7704] [14423.590461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14423.590461][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14423.590461][ T7704] ipv6_find_idev+0x102/0x170 [14423.590461][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14423.590461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14423.590461][ T7704] netlink_rcv_skb+0x130/0x360 [14423.590461][ T7704] netlink_unicast+0x449/0x710 [14423.590461][ T7704] netlink_sendmsg+0x723/0xbe0 [14423.590461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14423.590461][ T7704] ___sys_sendmsg+0xee/0x170 [14423.590461][ T7704] __sys_sendmsg+0xcd/0x170 [14423.590461][ T7704] do_syscall_64+0xc6/0x1e0 [14423.590461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14423.590461][ T7704] [14423.592087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14423.592087][ T7704] neigh_parms_alloc+0x1e5/0x510 [14423.592087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14423.592087][ T7704] ipv6_find_idev+0x102/0x170 [14423.592087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14423.592087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14423.592087][ T7704] netlink_rcv_skb+0x130/0x360 [14423.592087][ T7704] netlink_unicast+0x449/0x710 [14423.592087][ T7704] netlink_sendmsg+0x723/0xbe0 [14423.592087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14423.592087][ T7704] ___sys_sendmsg+0xee/0x170 [14423.592087][ T7704] __sys_sendmsg+0xcd/0x170 [14423.592087][ T7704] do_syscall_64+0xc6/0x1e0 [14423.592087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14423.592087][ T7704] [14433.687016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14433.688151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14433.688151][ T7704] netdev_get_by_index+0x5e/0x80 [14433.688151][ T7704] fib6_nh_init+0x3d8/0x15b0 [14433.688151][ T7704] ip6_route_info_create+0xf18/0x17d0 [14433.688151][ T7704] ip6_route_add+0x1c/0x140 [14433.688151][ T7704] addrconf_prefix_route+0x2a6/0x430 [14433.688151][ T7704] inet6_addr_add+0x4f8/0xa40 [14433.688151][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14433.688151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14433.688151][ T7704] netlink_rcv_skb+0x130/0x360 [14433.688151][ T7704] netlink_unicast+0x449/0x710 [14433.688151][ T7704] netlink_sendmsg+0x723/0xbe0 [14433.688151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14433.688151][ T7704] ___sys_sendmsg+0xee/0x170 [14433.688151][ T7704] __sys_sendmsg+0xcd/0x170 [14433.688151][ T7704] do_syscall_64+0xc6/0x1e0 [14433.688151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14433.688151][ T7704] [14433.690364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14433.690364][ T7704] netdev_get_by_index+0x5e/0x80 [14433.690364][ T7704] fib6_nh_init+0x3d8/0x15b0 [14433.690364][ T7704] ip6_route_info_create+0xf18/0x17d0 [14433.690364][ T7704] addrconf_f6i_alloc+0x315/0x560 [14433.690364][ T7704] ipv6_add_addr+0x411/0x2000 [14433.690364][ T7704] inet6_addr_add+0x30e/0xa40 [14433.690364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14433.690364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14433.690364][ T7704] netlink_rcv_skb+0x130/0x360 [14433.690364][ T7704] netlink_unicast+0x449/0x710 [14433.690364][ T7704] netlink_sendmsg+0x723/0xbe0 [14433.690364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14433.690364][ T7704] ___sys_sendmsg+0xee/0x170 [14433.690364][ T7704] __sys_sendmsg+0xcd/0x170 [14433.690364][ T7704] do_syscall_64+0xc6/0x1e0 [14433.690364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14433.690364][ T7704] [14433.692542][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14433.692542][ T7704] netdev_get_by_index+0x5e/0x80 [14433.692542][ T7704] fib6_nh_init+0x3d8/0x15b0 [14433.692542][ T7704] ip6_route_info_create+0xf18/0x17d0 [14433.692542][ T7704] ip6_route_add+0x1c/0x140 [14433.692542][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14433.692542][ T7704] addrconf_add_dev+0xe2/0x170 [14433.692542][ T7704] inet6_addr_add+0x12f/0xa40 [14433.692542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14433.692542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14433.692542][ T7704] netlink_rcv_skb+0x130/0x360 [14433.692542][ T7704] netlink_unicast+0x449/0x710 [14433.692542][ T7704] netlink_sendmsg+0x723/0xbe0 [14433.692542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14433.692542][ T7704] ___sys_sendmsg+0xee/0x170 [14433.692542][ T7704] __sys_sendmsg+0xcd/0x170 [14433.692542][ T7704] do_syscall_64+0xc6/0x1e0 [14433.692542][ T7704] [14433.694673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14433.694673][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14433.694673][ T7704] ipv6_find_idev+0x102/0x170 [14433.694673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14433.694673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14433.694673][ T7704] netlink_rcv_skb+0x130/0x360 [14433.694673][ T7704] netlink_unicast+0x449/0x710 [14433.694673][ T7704] netlink_sendmsg+0x723/0xbe0 [14433.694673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14433.694673][ T7704] ___sys_sendmsg+0xee/0x170 [14433.694673][ T7704] __sys_sendmsg+0xcd/0x170 [14433.694673][ T7704] do_syscall_64+0xc6/0x1e0 [14433.694673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14433.694673][ T7704] [14433.696420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14433.696420][ T7704] neigh_parms_alloc+0x1e5/0x510 [14433.696420][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14433.696420][ T7704] ipv6_find_idev+0x102/0x170 [14433.696420][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14433.696420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14433.696420][ T7704] netlink_rcv_skb+0x130/0x360 [14433.696420][ T7704] netlink_unicast+0x449/0x710 [14433.696420][ T7704] netlink_sendmsg+0x723/0xbe0 [14433.696420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14433.696420][ T7704] ___sys_sendmsg+0xee/0x170 [14433.696420][ T7704] __sys_sendmsg+0xcd/0x170 [14433.696420][ T7704] do_syscall_64+0xc6/0x1e0 [14433.696420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14433.696420][ T7704] [14443.943004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14443.943508][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14443.943508][ T7704] netdev_get_by_index+0x5e/0x80 [14443.943508][ T7704] fib6_nh_init+0x3d8/0x15b0 [14443.943508][ T7704] ip6_route_info_create+0xf18/0x17d0 [14443.943508][ T7704] ip6_route_add+0x1c/0x140 [14443.943508][ T7704] addrconf_prefix_route+0x2a6/0x430 [14443.943508][ T7704] inet6_addr_add+0x4f8/0xa40 [14443.943508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14443.943508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14443.943508][ T7704] netlink_rcv_skb+0x130/0x360 [14443.943508][ T7704] netlink_unicast+0x449/0x710 [14443.943508][ T7704] netlink_sendmsg+0x723/0xbe0 [14443.943508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14443.943508][ T7704] ___sys_sendmsg+0xee/0x170 [14443.943508][ T7704] __sys_sendmsg+0xcd/0x170 [14443.943508][ T7704] do_syscall_64+0xc6/0x1e0 [14443.943508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14443.943508][ T7704] [14443.945792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14443.945792][ T7704] netdev_get_by_index+0x5e/0x80 [14443.945792][ T7704] fib6_nh_init+0x3d8/0x15b0 [14443.945792][ T7704] ip6_route_info_create+0xf18/0x17d0 [14443.945792][ T7704] addrconf_f6i_alloc+0x315/0x560 [14443.945792][ T7704] ipv6_add_addr+0x411/0x2000 [14443.945792][ T7704] inet6_addr_add+0x30e/0xa40 [14443.945792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14443.945792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14443.945792][ T7704] netlink_rcv_skb+0x130/0x360 [14443.945792][ T7704] netlink_unicast+0x449/0x710 [14443.945792][ T7704] netlink_sendmsg+0x723/0xbe0 [14443.945792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14443.945792][ T7704] ___sys_sendmsg+0xee/0x170 [14443.945792][ T7704] __sys_sendmsg+0xcd/0x170 [14443.945792][ T7704] do_syscall_64+0xc6/0x1e0 [14443.945792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14443.945792][ T7704] [14443.947961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14443.947961][ T7704] netdev_get_by_index+0x5e/0x80 [14443.947961][ T7704] fib6_nh_init+0x3d8/0x15b0 [14443.947961][ T7704] ip6_route_info_create+0xf18/0x17d0 [14443.947961][ T7704] ip6_route_add+0x1c/0x140 [14443.947961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14443.947961][ T7704] addrconf_add_dev+0xe2/0x170 [14443.947961][ T7704] inet6_addr_add+0x12f/0xa40 [14443.947961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14443.947961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14443.947961][ T7704] netlink_rcv_skb+0x130/0x360 [14443.947961][ T7704] netlink_unicast+0x449/0x710 [14443.947961][ T7704] netlink_sendmsg+0x723/0xbe0 [14443.947961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14443.947961][ T7704] ___sys_sendmsg+0xee/0x170 [14443.947961][ T7704] __sys_sendmsg+0xcd/0x170 [14443.947961][ T7704] do_syscall_64+0xc6/0x1e0 [14443.947961][ T7704] [14443.950137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14443.950137][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14443.950137][ T7704] ipv6_find_idev+0x102/0x170 [14443.950137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14443.950137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14443.950137][ T7704] netlink_rcv_skb+0x130/0x360 [14443.950137][ T7704] netlink_unicast+0x449/0x710 [14443.950137][ T7704] netlink_sendmsg+0x723/0xbe0 [14443.950137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14443.950137][ T7704] ___sys_sendmsg+0xee/0x170 [14443.950137][ T7704] __sys_sendmsg+0xcd/0x170 [14443.950137][ T7704] do_syscall_64+0xc6/0x1e0 [14443.950137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14443.950137][ T7704] [14443.951809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14443.951809][ T7704] neigh_parms_alloc+0x1e5/0x510 [14443.951809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14443.951809][ T7704] ipv6_find_idev+0x102/0x170 [14443.951809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14443.951809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14443.951809][ T7704] netlink_rcv_skb+0x130/0x360 [14443.951809][ T7704] netlink_unicast+0x449/0x710 [14443.951809][ T7704] netlink_sendmsg+0x723/0xbe0 [14443.951809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14443.951809][ T7704] ___sys_sendmsg+0xee/0x170 [14443.951809][ T7704] __sys_sendmsg+0xcd/0x170 [14443.951809][ T7704] do_syscall_64+0xc6/0x1e0 [14443.951809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14443.951809][ T7704] [14453.967005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14453.967569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14453.967569][ T7704] netdev_get_by_index+0x5e/0x80 [14453.967569][ T7704] fib6_nh_init+0x3d8/0x15b0 [14453.967569][ T7704] ip6_route_info_create+0xf18/0x17d0 [14453.967569][ T7704] ip6_route_add+0x1c/0x140 [14453.967569][ T7704] addrconf_prefix_route+0x2a6/0x430 [14453.967569][ T7704] inet6_addr_add+0x4f8/0xa40 [14453.967569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14453.967569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14453.967569][ T7704] netlink_rcv_skb+0x130/0x360 [14453.967569][ T7704] netlink_unicast+0x449/0x710 [14453.967569][ T7704] netlink_sendmsg+0x723/0xbe0 [14453.967569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14453.967569][ T7704] ___sys_sendmsg+0xee/0x170 [14453.967569][ T7704] __sys_sendmsg+0xcd/0x170 [14453.967569][ T7704] do_syscall_64+0xc6/0x1e0 [14453.967569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14453.967569][ T7704] [14453.969755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14453.969755][ T7704] netdev_get_by_index+0x5e/0x80 [14453.969755][ T7704] fib6_nh_init+0x3d8/0x15b0 [14453.969755][ T7704] ip6_route_info_create+0xf18/0x17d0 [14453.969755][ T7704] addrconf_f6i_alloc+0x315/0x560 [14453.969755][ T7704] ipv6_add_addr+0x411/0x2000 [14453.969755][ T7704] inet6_addr_add+0x30e/0xa40 [14453.969755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14453.969755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14453.969755][ T7704] netlink_rcv_skb+0x130/0x360 [14453.969755][ T7704] netlink_unicast+0x449/0x710 [14453.969755][ T7704] netlink_sendmsg+0x723/0xbe0 [14453.969755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14453.969755][ T7704] ___sys_sendmsg+0xee/0x170 [14453.969755][ T7704] __sys_sendmsg+0xcd/0x170 [14453.969755][ T7704] do_syscall_64+0xc6/0x1e0 [14453.969755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14453.969755][ T7704] [14453.971977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14453.971977][ T7704] netdev_get_by_index+0x5e/0x80 [14453.971977][ T7704] fib6_nh_init+0x3d8/0x15b0 [14453.971977][ T7704] ip6_route_info_create+0xf18/0x17d0 [14453.971977][ T7704] ip6_route_add+0x1c/0x140 [14453.971977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14453.971977][ T7704] addrconf_add_dev+0xe2/0x170 [14453.971977][ T7704] inet6_addr_add+0x12f/0xa40 [14453.971977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14453.971977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14453.971977][ T7704] netlink_rcv_skb+0x130/0x360 [14453.971977][ T7704] netlink_unicast+0x449/0x710 [14453.971977][ T7704] netlink_sendmsg+0x723/0xbe0 [14453.971977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14453.971977][ T7704] ___sys_sendmsg+0xee/0x170 [14453.971977][ T7704] __sys_sendmsg+0xcd/0x170 [14453.971977][ T7704] do_syscall_64+0xc6/0x1e0 [14453.971977][ T7704] [14453.974164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14453.974164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14453.974164][ T7704] ipv6_find_idev+0x102/0x170 [14453.974164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14453.974164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14453.974164][ T7704] netlink_rcv_skb+0x130/0x360 [14453.974164][ T7704] netlink_unicast+0x449/0x710 [14453.974164][ T7704] netlink_sendmsg+0x723/0xbe0 [14453.974164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14453.974164][ T7704] ___sys_sendmsg+0xee/0x170 [14453.974164][ T7704] __sys_sendmsg+0xcd/0x170 [14453.974164][ T7704] do_syscall_64+0xc6/0x1e0 [14453.974164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14453.974164][ T7704] [14453.975865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14453.975865][ T7704] neigh_parms_alloc+0x1e5/0x510 [14453.975865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14453.975865][ T7704] ipv6_find_idev+0x102/0x170 [14453.975865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14453.975865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14453.975865][ T7704] netlink_rcv_skb+0x130/0x360 [14453.975865][ T7704] netlink_unicast+0x449/0x710 [14453.975865][ T7704] netlink_sendmsg+0x723/0xbe0 [14453.975865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14453.975865][ T7704] ___sys_sendmsg+0xee/0x170 [14453.975865][ T7704] __sys_sendmsg+0xcd/0x170 [14453.975865][ T7704] do_syscall_64+0xc6/0x1e0 [14453.975865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14453.975865][ T7704] [14464.119003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14464.119652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14464.119652][ T7704] netdev_get_by_index+0x5e/0x80 [14464.119652][ T7704] fib6_nh_init+0x3d8/0x15b0 [14464.119652][ T7704] ip6_route_info_create+0xf18/0x17d0 [14464.119652][ T7704] ip6_route_add+0x1c/0x140 [14464.119652][ T7704] addrconf_prefix_route+0x2a6/0x430 [14464.119652][ T7704] inet6_addr_add+0x4f8/0xa40 [14464.119652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14464.119652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14464.119652][ T7704] netlink_rcv_skb+0x130/0x360 [14464.119652][ T7704] netlink_unicast+0x449/0x710 [14464.119652][ T7704] netlink_sendmsg+0x723/0xbe0 [14464.119652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14464.119652][ T7704] ___sys_sendmsg+0xee/0x170 [14464.119652][ T7704] __sys_sendmsg+0xcd/0x170 [14464.119652][ T7704] do_syscall_64+0xc6/0x1e0 [14464.119652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14464.119652][ T7704] [14464.121847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14464.121847][ T7704] netdev_get_by_index+0x5e/0x80 [14464.121847][ T7704] fib6_nh_init+0x3d8/0x15b0 [14464.121847][ T7704] ip6_route_info_create+0xf18/0x17d0 [14464.121847][ T7704] addrconf_f6i_alloc+0x315/0x560 [14464.121847][ T7704] ipv6_add_addr+0x411/0x2000 [14464.121847][ T7704] inet6_addr_add+0x30e/0xa40 [14464.121847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14464.121847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14464.121847][ T7704] netlink_rcv_skb+0x130/0x360 [14464.121847][ T7704] netlink_unicast+0x449/0x710 [14464.121847][ T7704] netlink_sendmsg+0x723/0xbe0 [14464.121847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14464.121847][ T7704] ___sys_sendmsg+0xee/0x170 [14464.121847][ T7704] __sys_sendmsg+0xcd/0x170 [14464.121847][ T7704] do_syscall_64+0xc6/0x1e0 [14464.121847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14464.121847][ T7704] [14464.124082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14464.124082][ T7704] netdev_get_by_index+0x5e/0x80 [14464.124082][ T7704] fib6_nh_init+0x3d8/0x15b0 [14464.124082][ T7704] ip6_route_info_create+0xf18/0x17d0 [14464.124082][ T7704] ip6_route_add+0x1c/0x140 [14464.124082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14464.124082][ T7704] addrconf_add_dev+0xe2/0x170 [14464.124082][ T7704] inet6_addr_add+0x12f/0xa40 [14464.124082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14464.124082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14464.124082][ T7704] netlink_rcv_skb+0x130/0x360 [14464.124082][ T7704] netlink_unicast+0x449/0x710 [14464.124082][ T7704] netlink_sendmsg+0x723/0xbe0 [14464.124082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14464.124082][ T7704] ___sys_sendmsg+0xee/0x170 [14464.124082][ T7704] __sys_sendmsg+0xcd/0x170 [14464.124082][ T7704] do_syscall_64+0xc6/0x1e0 [14464.124082][ T7704] [14464.126226][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14464.126226][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14464.126226][ T7704] ipv6_find_idev+0x102/0x170 [14464.126226][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14464.126226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14464.126226][ T7704] netlink_rcv_skb+0x130/0x360 [14464.126226][ T7704] netlink_unicast+0x449/0x710 [14464.126226][ T7704] netlink_sendmsg+0x723/0xbe0 [14464.126226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14464.126226][ T7704] ___sys_sendmsg+0xee/0x170 [14464.126226][ T7704] __sys_sendmsg+0xcd/0x170 [14464.126226][ T7704] do_syscall_64+0xc6/0x1e0 [14464.126226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14464.126226][ T7704] [14464.127957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14464.127957][ T7704] neigh_parms_alloc+0x1e5/0x510 [14464.127957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14464.127957][ T7704] ipv6_find_idev+0x102/0x170 [14464.127957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14464.127957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14464.127957][ T7704] netlink_rcv_skb+0x130/0x360 [14464.127957][ T7704] netlink_unicast+0x449/0x710 [14464.127957][ T7704] netlink_sendmsg+0x723/0xbe0 [14464.127957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14464.127957][ T7704] ___sys_sendmsg+0xee/0x170 [14464.127957][ T7704] __sys_sendmsg+0xcd/0x170 [14464.127957][ T7704] do_syscall_64+0xc6/0x1e0 [14464.127957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14464.127957][ T7704] [14474.367005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14474.367768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14474.367768][ T7704] netdev_get_by_index+0x5e/0x80 [14474.367768][ T7704] fib6_nh_init+0x3d8/0x15b0 [14474.367768][ T7704] ip6_route_info_create+0xf18/0x17d0 [14474.367768][ T7704] ip6_route_add+0x1c/0x140 [14474.367768][ T7704] addrconf_prefix_route+0x2a6/0x430 [14474.367768][ T7704] inet6_addr_add+0x4f8/0xa40 [14474.367768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14474.367768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14474.367768][ T7704] netlink_rcv_skb+0x130/0x360 [14474.367768][ T7704] netlink_unicast+0x449/0x710 [14474.367768][ T7704] netlink_sendmsg+0x723/0xbe0 [14474.367768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14474.367768][ T7704] ___sys_sendmsg+0xee/0x170 [14474.367768][ T7704] __sys_sendmsg+0xcd/0x170 [14474.367768][ T7704] do_syscall_64+0xc6/0x1e0 [14474.367768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14474.367768][ T7704] [14474.370561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14474.370561][ T7704] netdev_get_by_index+0x5e/0x80 [14474.370561][ T7704] fib6_nh_init+0x3d8/0x15b0 [14474.370561][ T7704] ip6_route_info_create+0xf18/0x17d0 [14474.370561][ T7704] addrconf_f6i_alloc+0x315/0x560 [14474.370561][ T7704] ipv6_add_addr+0x411/0x2000 [14474.370561][ T7704] inet6_addr_add+0x30e/0xa40 [14474.370561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14474.370561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14474.370561][ T7704] netlink_rcv_skb+0x130/0x360 [14474.370561][ T7704] netlink_unicast+0x449/0x710 [14474.370561][ T7704] netlink_sendmsg+0x723/0xbe0 [14474.370561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14474.370561][ T7704] ___sys_sendmsg+0xee/0x170 [14474.370561][ T7704] __sys_sendmsg+0xcd/0x170 [14474.370561][ T7704] do_syscall_64+0xc6/0x1e0 [14474.370561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14474.370561][ T7704] [14474.373240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14474.373240][ T7704] netdev_get_by_index+0x5e/0x80 [14474.373240][ T7704] fib6_nh_init+0x3d8/0x15b0 [14474.373240][ T7704] ip6_route_info_create+0xf18/0x17d0 [14474.373240][ T7704] ip6_route_add+0x1c/0x140 [14474.373240][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14474.373240][ T7704] addrconf_add_dev+0xe2/0x170 [14474.373240][ T7704] inet6_addr_add+0x12f/0xa40 [14474.373240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14474.373240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14474.373240][ T7704] netlink_rcv_skb+0x130/0x360 [14474.373240][ T7704] netlink_unicast+0x449/0x710 [14474.373240][ T7704] netlink_sendmsg+0x723/0xbe0 [14474.373240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14474.373240][ T7704] ___sys_sendmsg+0xee/0x170 [14474.373240][ T7704] __sys_sendmsg+0xcd/0x170 [14474.373240][ T7704] do_syscall_64+0xc6/0x1e0 [14474.373240][ T7704] [14474.375949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14474.375949][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14474.375949][ T7704] ipv6_find_idev+0x102/0x170 [14474.375949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14474.375949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14474.375949][ T7704] netlink_rcv_skb+0x130/0x360 [14474.375949][ T7704] netlink_unicast+0x449/0x710 [14474.375949][ T7704] netlink_sendmsg+0x723/0xbe0 [14474.375949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14474.375949][ T7704] ___sys_sendmsg+0xee/0x170 [14474.375949][ T7704] __sys_sendmsg+0xcd/0x170 [14474.375949][ T7704] do_syscall_64+0xc6/0x1e0 [14474.375949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14474.375949][ T7704] [14474.378557][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14474.378557][ T7704] neigh_parms_alloc+0x1e5/0x510 [14474.378557][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14474.378557][ T7704] ipv6_find_idev+0x102/0x170 [14474.378557][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14474.378557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14474.378557][ T7704] netlink_rcv_skb+0x130/0x360 [14474.378557][ T7704] netlink_unicast+0x449/0x710 [14474.378557][ T7704] netlink_sendmsg+0x723/0xbe0 [14474.378557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14474.378557][ T7704] ___sys_sendmsg+0xee/0x170 [14474.378557][ T7704] __sys_sendmsg+0xcd/0x170 [14474.378557][ T7704] do_syscall_64+0xc6/0x1e0 [14474.378557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14474.378557][ T7704] [14484.623016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14484.623654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14484.623654][ T7704] netdev_get_by_index+0x5e/0x80 [14484.623654][ T7704] fib6_nh_init+0x3d8/0x15b0 [14484.623654][ T7704] ip6_route_info_create+0xf18/0x17d0 [14484.623654][ T7704] ip6_route_add+0x1c/0x140 [14484.623654][ T7704] addrconf_prefix_route+0x2a6/0x430 [14484.623654][ T7704] inet6_addr_add+0x4f8/0xa40 [14484.623654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14484.623654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14484.623654][ T7704] netlink_rcv_skb+0x130/0x360 [14484.623654][ T7704] netlink_unicast+0x449/0x710 [14484.623654][ T7704] netlink_sendmsg+0x723/0xbe0 [14484.623654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14484.623654][ T7704] ___sys_sendmsg+0xee/0x170 [14484.623654][ T7704] __sys_sendmsg+0xcd/0x170 [14484.623654][ T7704] do_syscall_64+0xc6/0x1e0 [14484.623654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14484.623654][ T7704] [14484.626363][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14484.626363][ T7704] netdev_get_by_index+0x5e/0x80 [14484.626363][ T7704] fib6_nh_init+0x3d8/0x15b0 [14484.626363][ T7704] ip6_route_info_create+0xf18/0x17d0 [14484.626363][ T7704] addrconf_f6i_alloc+0x315/0x560 [14484.626363][ T7704] ipv6_add_addr+0x411/0x2000 [14484.626363][ T7704] inet6_addr_add+0x30e/0xa40 [14484.626363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14484.626363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14484.626363][ T7704] netlink_rcv_skb+0x130/0x360 [14484.626363][ T7704] netlink_unicast+0x449/0x710 [14484.626363][ T7704] netlink_sendmsg+0x723/0xbe0 [14484.626363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14484.626363][ T7704] ___sys_sendmsg+0xee/0x170 [14484.626363][ T7704] __sys_sendmsg+0xcd/0x170 [14484.626363][ T7704] do_syscall_64+0xc6/0x1e0 [14484.626363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14484.626363][ T7704] [14484.628989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14484.628989][ T7704] netdev_get_by_index+0x5e/0x80 [14484.628989][ T7704] fib6_nh_init+0x3d8/0x15b0 [14484.628989][ T7704] ip6_route_info_create+0xf18/0x17d0 [14484.628989][ T7704] ip6_route_add+0x1c/0x140 [14484.628989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14484.628989][ T7704] addrconf_add_dev+0xe2/0x170 [14484.628989][ T7704] inet6_addr_add+0x12f/0xa40 [14484.628989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14484.628989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14484.628989][ T7704] netlink_rcv_skb+0x130/0x360 [14484.628989][ T7704] netlink_unicast+0x449/0x710 [14484.628989][ T7704] netlink_sendmsg+0x723/0xbe0 [14484.628989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14484.628989][ T7704] ___sys_sendmsg+0xee/0x170 [14484.628989][ T7704] __sys_sendmsg+0xcd/0x170 [14484.628989][ T7704] do_syscall_64+0xc6/0x1e0 [14484.628989][ T7704] [14484.631569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14484.631569][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14484.631569][ T7704] ipv6_find_idev+0x102/0x170 [14484.631569][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14484.631569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14484.631569][ T7704] netlink_rcv_skb+0x130/0x360 [14484.631569][ T7704] netlink_unicast+0x449/0x710 [14484.631569][ T7704] netlink_sendmsg+0x723/0xbe0 [14484.631569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14484.631569][ T7704] ___sys_sendmsg+0xee/0x170 [14484.631569][ T7704] __sys_sendmsg+0xcd/0x170 [14484.631569][ T7704] do_syscall_64+0xc6/0x1e0 [14484.631569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14484.631569][ T7704] [14484.633655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14484.633655][ T7704] neigh_parms_alloc+0x1e5/0x510 [14484.633655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14484.633655][ T7704] ipv6_find_idev+0x102/0x170 [14484.633655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14484.633655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14484.633655][ T7704] netlink_rcv_skb+0x130/0x360 [14484.633655][ T7704] netlink_unicast+0x449/0x710 [14484.633655][ T7704] netlink_sendmsg+0x723/0xbe0 [14484.633655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14484.633655][ T7704] ___sys_sendmsg+0xee/0x170 [14484.633655][ T7704] __sys_sendmsg+0xcd/0x170 [14484.633655][ T7704] do_syscall_64+0xc6/0x1e0 [14484.633655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14484.633655][ T7704] [14494.886998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14494.887699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14494.887699][ T7704] netdev_get_by_index+0x5e/0x80 [14494.887699][ T7704] fib6_nh_init+0x3d8/0x15b0 [14494.887699][ T7704] ip6_route_info_create+0xf18/0x17d0 [14494.887699][ T7704] ip6_route_add+0x1c/0x140 [14494.887699][ T7704] addrconf_prefix_route+0x2a6/0x430 [14494.887699][ T7704] inet6_addr_add+0x4f8/0xa40 [14494.887699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14494.887699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14494.887699][ T7704] netlink_rcv_skb+0x130/0x360 [14494.887699][ T7704] netlink_unicast+0x449/0x710 [14494.887699][ T7704] netlink_sendmsg+0x723/0xbe0 [14494.887699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14494.887699][ T7704] ___sys_sendmsg+0xee/0x170 [14494.887699][ T7704] __sys_sendmsg+0xcd/0x170 [14494.887699][ T7704] do_syscall_64+0xc6/0x1e0 [14494.887699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14494.887699][ T7704] [14494.889908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14494.889908][ T7704] netdev_get_by_index+0x5e/0x80 [14494.889908][ T7704] fib6_nh_init+0x3d8/0x15b0 [14494.889908][ T7704] ip6_route_info_create+0xf18/0x17d0 [14494.889908][ T7704] addrconf_f6i_alloc+0x315/0x560 [14494.889908][ T7704] ipv6_add_addr+0x411/0x2000 [14494.889908][ T7704] inet6_addr_add+0x30e/0xa40 [14494.889908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14494.889908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14494.889908][ T7704] netlink_rcv_skb+0x130/0x360 [14494.889908][ T7704] netlink_unicast+0x449/0x710 [14494.889908][ T7704] netlink_sendmsg+0x723/0xbe0 [14494.889908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14494.889908][ T7704] ___sys_sendmsg+0xee/0x170 [14494.889908][ T7704] __sys_sendmsg+0xcd/0x170 [14494.889908][ T7704] do_syscall_64+0xc6/0x1e0 [14494.889908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14494.889908][ T7704] [14494.892164][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14494.892164][ T7704] netdev_get_by_index+0x5e/0x80 [14494.892164][ T7704] fib6_nh_init+0x3d8/0x15b0 [14494.892164][ T7704] ip6_route_info_create+0xf18/0x17d0 [14494.892164][ T7704] ip6_route_add+0x1c/0x140 [14494.892164][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14494.892164][ T7704] addrconf_add_dev+0xe2/0x170 [14494.892164][ T7704] inet6_addr_add+0x12f/0xa40 [14494.892164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14494.892164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14494.892164][ T7704] netlink_rcv_skb+0x130/0x360 [14494.892164][ T7704] netlink_unicast+0x449/0x710 [14494.892164][ T7704] netlink_sendmsg+0x723/0xbe0 [14494.892164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14494.892164][ T7704] ___sys_sendmsg+0xee/0x170 [14494.892164][ T7704] __sys_sendmsg+0xcd/0x170 [14494.892164][ T7704] do_syscall_64+0xc6/0x1e0 [14494.892164][ T7704] [14494.894446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14494.894446][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14494.894446][ T7704] ipv6_find_idev+0x102/0x170 [14494.894446][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14494.894446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14494.894446][ T7704] netlink_rcv_skb+0x130/0x360 [14494.894446][ T7704] netlink_unicast+0x449/0x710 [14494.894446][ T7704] netlink_sendmsg+0x723/0xbe0 [14494.894446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14494.894446][ T7704] ___sys_sendmsg+0xee/0x170 [14494.894446][ T7704] __sys_sendmsg+0xcd/0x170 [14494.894446][ T7704] do_syscall_64+0xc6/0x1e0 [14494.894446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14494.894446][ T7704] [14494.896120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14494.896120][ T7704] neigh_parms_alloc+0x1e5/0x510 [14494.896120][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14494.896120][ T7704] ipv6_find_idev+0x102/0x170 [14494.896120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14494.896120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14494.896120][ T7704] netlink_rcv_skb+0x130/0x360 [14494.896120][ T7704] netlink_unicast+0x449/0x710 [14494.896120][ T7704] netlink_sendmsg+0x723/0xbe0 [14494.896120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14494.896120][ T7704] ___sys_sendmsg+0xee/0x170 [14494.896120][ T7704] __sys_sendmsg+0xcd/0x170 [14494.896120][ T7704] do_syscall_64+0xc6/0x1e0 [14494.896120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14494.896120][ T7704] [14505.175091][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14505.175728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14505.175728][ T7704] netdev_get_by_index+0x5e/0x80 [14505.175728][ T7704] fib6_nh_init+0x3d8/0x15b0 [14505.175728][ T7704] ip6_route_info_create+0xf18/0x17d0 [14505.175728][ T7704] ip6_route_add+0x1c/0x140 [14505.175728][ T7704] addrconf_prefix_route+0x2a6/0x430 [14505.175728][ T7704] inet6_addr_add+0x4f8/0xa40 [14505.175728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14505.175728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14505.175728][ T7704] netlink_rcv_skb+0x130/0x360 [14505.175728][ T7704] netlink_unicast+0x449/0x710 [14505.175728][ T7704] netlink_sendmsg+0x723/0xbe0 [14505.175728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14505.175728][ T7704] ___sys_sendmsg+0xee/0x170 [14505.175728][ T7704] __sys_sendmsg+0xcd/0x170 [14505.175728][ T7704] do_syscall_64+0xc6/0x1e0 [14505.175728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14505.175728][ T7704] [14505.177940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14505.177940][ T7704] netdev_get_by_index+0x5e/0x80 [14505.177940][ T7704] fib6_nh_init+0x3d8/0x15b0 [14505.177940][ T7704] ip6_route_info_create+0xf18/0x17d0 [14505.177940][ T7704] addrconf_f6i_alloc+0x315/0x560 [14505.177940][ T7704] ipv6_add_addr+0x411/0x2000 [14505.177940][ T7704] inet6_addr_add+0x30e/0xa40 [14505.177940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14505.177940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14505.177940][ T7704] netlink_rcv_skb+0x130/0x360 [14505.177940][ T7704] netlink_unicast+0x449/0x710 [14505.177940][ T7704] netlink_sendmsg+0x723/0xbe0 [14505.177940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14505.177940][ T7704] ___sys_sendmsg+0xee/0x170 [14505.177940][ T7704] __sys_sendmsg+0xcd/0x170 [14505.177940][ T7704] do_syscall_64+0xc6/0x1e0 [14505.177940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14505.177940][ T7704] [14505.180115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14505.180115][ T7704] netdev_get_by_index+0x5e/0x80 [14505.180115][ T7704] fib6_nh_init+0x3d8/0x15b0 [14505.180115][ T7704] ip6_route_info_create+0xf18/0x17d0 [14505.180115][ T7704] ip6_route_add+0x1c/0x140 [14505.180115][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14505.180115][ T7704] addrconf_add_dev+0xe2/0x170 [14505.180115][ T7704] inet6_addr_add+0x12f/0xa40 [14505.180115][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14505.180115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14505.180115][ T7704] netlink_rcv_skb+0x130/0x360 [14505.180115][ T7704] netlink_unicast+0x449/0x710 [14505.180115][ T7704] netlink_sendmsg+0x723/0xbe0 [14505.180115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14505.180115][ T7704] ___sys_sendmsg+0xee/0x170 [14505.180115][ T7704] __sys_sendmsg+0xcd/0x170 [14505.180115][ T7704] do_syscall_64+0xc6/0x1e0 [14505.180115][ T7704] [14505.182282][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14505.182282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14505.182282][ T7704] ipv6_find_idev+0x102/0x170 [14505.182282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14505.182282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14505.182282][ T7704] netlink_rcv_skb+0x130/0x360 [14505.182282][ T7704] netlink_unicast+0x449/0x710 [14505.182282][ T7704] netlink_sendmsg+0x723/0xbe0 [14505.182282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14505.182282][ T7704] ___sys_sendmsg+0xee/0x170 [14505.182282][ T7704] __sys_sendmsg+0xcd/0x170 [14505.182282][ T7704] do_syscall_64+0xc6/0x1e0 [14505.182282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14505.182282][ T7704] [14505.183983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14505.183983][ T7704] neigh_parms_alloc+0x1e5/0x510 [14505.183983][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14505.183983][ T7704] ipv6_find_idev+0x102/0x170 [14505.183983][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14505.183983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14505.183983][ T7704] netlink_rcv_skb+0x130/0x360 [14505.183983][ T7704] netlink_unicast+0x449/0x710 [14505.183983][ T7704] netlink_sendmsg+0x723/0xbe0 [14505.183983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14505.183983][ T7704] ___sys_sendmsg+0xee/0x170 [14505.183983][ T7704] __sys_sendmsg+0xcd/0x170 [14505.183983][ T7704] do_syscall_64+0xc6/0x1e0 [14505.183983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14505.183983][ T7704] [14515.262992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14515.263723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14515.263723][ T7704] netdev_get_by_index+0x5e/0x80 [14515.263723][ T7704] fib6_nh_init+0x3d8/0x15b0 [14515.263723][ T7704] ip6_route_info_create+0xf18/0x17d0 [14515.263723][ T7704] ip6_route_add+0x1c/0x140 [14515.263723][ T7704] addrconf_prefix_route+0x2a6/0x430 [14515.263723][ T7704] inet6_addr_add+0x4f8/0xa40 [14515.263723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14515.263723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14515.263723][ T7704] netlink_rcv_skb+0x130/0x360 [14515.263723][ T7704] netlink_unicast+0x449/0x710 [14515.263723][ T7704] netlink_sendmsg+0x723/0xbe0 [14515.263723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14515.263723][ T7704] ___sys_sendmsg+0xee/0x170 [14515.263723][ T7704] __sys_sendmsg+0xcd/0x170 [14515.263723][ T7704] do_syscall_64+0xc6/0x1e0 [14515.263723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14515.263723][ T7704] [14515.266014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14515.266014][ T7704] netdev_get_by_index+0x5e/0x80 [14515.266014][ T7704] fib6_nh_init+0x3d8/0x15b0 [14515.266014][ T7704] ip6_route_info_create+0xf18/0x17d0 [14515.266014][ T7704] addrconf_f6i_alloc+0x315/0x560 [14515.266014][ T7704] ipv6_add_addr+0x411/0x2000 [14515.266014][ T7704] inet6_addr_add+0x30e/0xa40 [14515.266014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14515.266014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14515.266014][ T7704] netlink_rcv_skb+0x130/0x360 [14515.266014][ T7704] netlink_unicast+0x449/0x710 [14515.266014][ T7704] netlink_sendmsg+0x723/0xbe0 [14515.266014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14515.266014][ T7704] ___sys_sendmsg+0xee/0x170 [14515.266014][ T7704] __sys_sendmsg+0xcd/0x170 [14515.266014][ T7704] do_syscall_64+0xc6/0x1e0 [14515.266014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14515.266014][ T7704] [14515.268204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14515.268204][ T7704] netdev_get_by_index+0x5e/0x80 [14515.268204][ T7704] fib6_nh_init+0x3d8/0x15b0 [14515.268204][ T7704] ip6_route_info_create+0xf18/0x17d0 [14515.268204][ T7704] ip6_route_add+0x1c/0x140 [14515.268204][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14515.268204][ T7704] addrconf_add_dev+0xe2/0x170 [14515.268204][ T7704] inet6_addr_add+0x12f/0xa40 [14515.268204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14515.268204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14515.268204][ T7704] netlink_rcv_skb+0x130/0x360 [14515.268204][ T7704] netlink_unicast+0x449/0x710 [14515.268204][ T7704] netlink_sendmsg+0x723/0xbe0 [14515.268204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14515.268204][ T7704] ___sys_sendmsg+0xee/0x170 [14515.268204][ T7704] __sys_sendmsg+0xcd/0x170 [14515.268204][ T7704] do_syscall_64+0xc6/0x1e0 [14515.268204][ T7704] [14515.270403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14515.270403][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14515.270403][ T7704] ipv6_find_idev+0x102/0x170 [14515.270403][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14515.270403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14515.270403][ T7704] netlink_rcv_skb+0x130/0x360 [14515.270403][ T7704] netlink_unicast+0x449/0x710 [14515.270403][ T7704] netlink_sendmsg+0x723/0xbe0 [14515.270403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14515.270403][ T7704] ___sys_sendmsg+0xee/0x170 [14515.270403][ T7704] __sys_sendmsg+0xcd/0x170 [14515.270403][ T7704] do_syscall_64+0xc6/0x1e0 [14515.270403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14515.270403][ T7704] [14515.272635][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14515.272635][ T7704] neigh_parms_alloc+0x1e5/0x510 [14515.272635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14515.272635][ T7704] ipv6_find_idev+0x102/0x170 [14515.272635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14515.272635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14515.272635][ T7704] netlink_rcv_skb+0x130/0x360 [14515.272635][ T7704] netlink_unicast+0x449/0x710 [14515.272635][ T7704] netlink_sendmsg+0x723/0xbe0 [14515.272635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14515.272635][ T7704] ___sys_sendmsg+0xee/0x170 [14515.272635][ T7704] __sys_sendmsg+0xcd/0x170 [14515.272635][ T7704] do_syscall_64+0xc6/0x1e0 [14515.272635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14515.272635][ T7704] [14525.439092][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14525.439630][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14525.439630][ T7704] netdev_get_by_index+0x5e/0x80 [14525.439630][ T7704] fib6_nh_init+0x3d8/0x15b0 [14525.439630][ T7704] ip6_route_info_create+0xf18/0x17d0 [14525.439630][ T7704] ip6_route_add+0x1c/0x140 [14525.439630][ T7704] addrconf_prefix_route+0x2a6/0x430 [14525.439630][ T7704] inet6_addr_add+0x4f8/0xa40 [14525.439630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14525.439630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14525.439630][ T7704] netlink_rcv_skb+0x130/0x360 [14525.439630][ T7704] netlink_unicast+0x449/0x710 [14525.439630][ T7704] netlink_sendmsg+0x723/0xbe0 [14525.439630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14525.439630][ T7704] ___sys_sendmsg+0xee/0x170 [14525.439630][ T7704] __sys_sendmsg+0xcd/0x170 [14525.439630][ T7704] do_syscall_64+0xc6/0x1e0 [14525.439630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14525.439630][ T7704] [14525.441831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14525.441831][ T7704] netdev_get_by_index+0x5e/0x80 [14525.441831][ T7704] fib6_nh_init+0x3d8/0x15b0 [14525.441831][ T7704] ip6_route_info_create+0xf18/0x17d0 [14525.441831][ T7704] addrconf_f6i_alloc+0x315/0x560 [14525.441831][ T7704] ipv6_add_addr+0x411/0x2000 [14525.441831][ T7704] inet6_addr_add+0x30e/0xa40 [14525.441831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14525.441831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14525.441831][ T7704] netlink_rcv_skb+0x130/0x360 [14525.441831][ T7704] netlink_unicast+0x449/0x710 [14525.441831][ T7704] netlink_sendmsg+0x723/0xbe0 [14525.441831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14525.441831][ T7704] ___sys_sendmsg+0xee/0x170 [14525.441831][ T7704] __sys_sendmsg+0xcd/0x170 [14525.441831][ T7704] do_syscall_64+0xc6/0x1e0 [14525.441831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14525.441831][ T7704] [14525.444062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14525.444062][ T7704] netdev_get_by_index+0x5e/0x80 [14525.444062][ T7704] fib6_nh_init+0x3d8/0x15b0 [14525.444062][ T7704] ip6_route_info_create+0xf18/0x17d0 [14525.444062][ T7704] ip6_route_add+0x1c/0x140 [14525.444062][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14525.444062][ T7704] addrconf_add_dev+0xe2/0x170 [14525.444062][ T7704] inet6_addr_add+0x12f/0xa40 [14525.444062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14525.444062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14525.444062][ T7704] netlink_rcv_skb+0x130/0x360 [14525.444062][ T7704] netlink_unicast+0x449/0x710 [14525.444062][ T7704] netlink_sendmsg+0x723/0xbe0 [14525.444062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14525.444062][ T7704] ___sys_sendmsg+0xee/0x170 [14525.444062][ T7704] __sys_sendmsg+0xcd/0x170 [14525.444062][ T7704] do_syscall_64+0xc6/0x1e0 [14525.444062][ T7704] [14525.446182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14525.446182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14525.446182][ T7704] ipv6_find_idev+0x102/0x170 [14525.446182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14525.446182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14525.446182][ T7704] netlink_rcv_skb+0x130/0x360 [14525.446182][ T7704] netlink_unicast+0x449/0x710 [14525.446182][ T7704] netlink_sendmsg+0x723/0xbe0 [14525.446182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14525.446182][ T7704] ___sys_sendmsg+0xee/0x170 [14525.446182][ T7704] __sys_sendmsg+0xcd/0x170 [14525.446182][ T7704] do_syscall_64+0xc6/0x1e0 [14525.446182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14525.446182][ T7704] [14525.447854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14525.447854][ T7704] neigh_parms_alloc+0x1e5/0x510 [14525.447854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14525.447854][ T7704] ipv6_find_idev+0x102/0x170 [14525.447854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14525.447854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14525.447854][ T7704] netlink_rcv_skb+0x130/0x360 [14525.447854][ T7704] netlink_unicast+0x449/0x710 [14525.447854][ T7704] netlink_sendmsg+0x723/0xbe0 [14525.447854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14525.447854][ T7704] ___sys_sendmsg+0xee/0x170 [14525.447854][ T7704] __sys_sendmsg+0xcd/0x170 [14525.447854][ T7704] do_syscall_64+0xc6/0x1e0 [14525.447854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14525.447854][ T7704] [14535.607016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14535.607741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14535.607741][ T7704] netdev_get_by_index+0x5e/0x80 [14535.607741][ T7704] fib6_nh_init+0x3d8/0x15b0 [14535.607741][ T7704] ip6_route_info_create+0xf18/0x17d0 [14535.607741][ T7704] ip6_route_add+0x1c/0x140 [14535.607741][ T7704] addrconf_prefix_route+0x2a6/0x430 [14535.607741][ T7704] inet6_addr_add+0x4f8/0xa40 [14535.607741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14535.607741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14535.607741][ T7704] netlink_rcv_skb+0x130/0x360 [14535.607741][ T7704] netlink_unicast+0x449/0x710 [14535.607741][ T7704] netlink_sendmsg+0x723/0xbe0 [14535.607741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14535.607741][ T7704] ___sys_sendmsg+0xee/0x170 [14535.607741][ T7704] __sys_sendmsg+0xcd/0x170 [14535.607741][ T7704] do_syscall_64+0xc6/0x1e0 [14535.607741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14535.607741][ T7704] [14535.609882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14535.609882][ T7704] netdev_get_by_index+0x5e/0x80 [14535.609882][ T7704] fib6_nh_init+0x3d8/0x15b0 [14535.609882][ T7704] ip6_route_info_create+0xf18/0x17d0 [14535.609882][ T7704] addrconf_f6i_alloc+0x315/0x560 [14535.609882][ T7704] ipv6_add_addr+0x411/0x2000 [14535.609882][ T7704] inet6_addr_add+0x30e/0xa40 [14535.609882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14535.609882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14535.609882][ T7704] netlink_rcv_skb+0x130/0x360 [14535.609882][ T7704] netlink_unicast+0x449/0x710 [14535.609882][ T7704] netlink_sendmsg+0x723/0xbe0 [14535.609882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14535.609882][ T7704] ___sys_sendmsg+0xee/0x170 [14535.609882][ T7704] __sys_sendmsg+0xcd/0x170 [14535.609882][ T7704] do_syscall_64+0xc6/0x1e0 [14535.609882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14535.609882][ T7704] [14535.612154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14535.612154][ T7704] netdev_get_by_index+0x5e/0x80 [14535.612154][ T7704] fib6_nh_init+0x3d8/0x15b0 [14535.612154][ T7704] ip6_route_info_create+0xf18/0x17d0 [14535.612154][ T7704] ip6_route_add+0x1c/0x140 [14535.612154][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14535.612154][ T7704] addrconf_add_dev+0xe2/0x170 [14535.612154][ T7704] inet6_addr_add+0x12f/0xa40 [14535.612154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14535.612154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14535.612154][ T7704] netlink_rcv_skb+0x130/0x360 [14535.612154][ T7704] netlink_unicast+0x449/0x710 [14535.612154][ T7704] netlink_sendmsg+0x723/0xbe0 [14535.612154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14535.612154][ T7704] ___sys_sendmsg+0xee/0x170 [14535.612154][ T7704] __sys_sendmsg+0xcd/0x170 [14535.612154][ T7704] do_syscall_64+0xc6/0x1e0 [14535.612154][ T7704] [14535.614330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14535.614330][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14535.614330][ T7704] ipv6_find_idev+0x102/0x170 [14535.614330][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14535.614330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14535.614330][ T7704] netlink_rcv_skb+0x130/0x360 [14535.614330][ T7704] netlink_unicast+0x449/0x710 [14535.614330][ T7704] netlink_sendmsg+0x723/0xbe0 [14535.614330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14535.614330][ T7704] ___sys_sendmsg+0xee/0x170 [14535.614330][ T7704] __sys_sendmsg+0xcd/0x170 [14535.614330][ T7704] do_syscall_64+0xc6/0x1e0 [14535.614330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14535.614330][ T7704] [14535.615941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14535.615941][ T7704] neigh_parms_alloc+0x1e5/0x510 [14535.615941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14535.615941][ T7704] ipv6_find_idev+0x102/0x170 [14535.615941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14535.615941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14535.615941][ T7704] netlink_rcv_skb+0x130/0x360 [14535.615941][ T7704] netlink_unicast+0x449/0x710 [14535.615941][ T7704] netlink_sendmsg+0x723/0xbe0 [14535.615941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14535.615941][ T7704] ___sys_sendmsg+0xee/0x170 [14535.615941][ T7704] __sys_sendmsg+0xcd/0x170 [14535.615941][ T7704] do_syscall_64+0xc6/0x1e0 [14535.615941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14535.615941][ T7704] [14545.654939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14545.655554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14545.655554][ T7704] netdev_get_by_index+0x5e/0x80 [14545.655554][ T7704] fib6_nh_init+0x3d8/0x15b0 [14545.655554][ T7704] ip6_route_info_create+0xf18/0x17d0 [14545.655554][ T7704] ip6_route_add+0x1c/0x140 [14545.655554][ T7704] addrconf_prefix_route+0x2a6/0x430 [14545.655554][ T7704] inet6_addr_add+0x4f8/0xa40 [14545.655554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14545.655554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14545.655554][ T7704] netlink_rcv_skb+0x130/0x360 [14545.655554][ T7704] netlink_unicast+0x449/0x710 [14545.655554][ T7704] netlink_sendmsg+0x723/0xbe0 [14545.655554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14545.655554][ T7704] ___sys_sendmsg+0xee/0x170 [14545.655554][ T7704] __sys_sendmsg+0xcd/0x170 [14545.655554][ T7704] do_syscall_64+0xc6/0x1e0 [14545.655554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14545.655554][ T7704] [14545.657741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14545.657741][ T7704] netdev_get_by_index+0x5e/0x80 [14545.657741][ T7704] fib6_nh_init+0x3d8/0x15b0 [14545.657741][ T7704] ip6_route_info_create+0xf18/0x17d0 [14545.657741][ T7704] addrconf_f6i_alloc+0x315/0x560 [14545.657741][ T7704] ipv6_add_addr+0x411/0x2000 [14545.657741][ T7704] inet6_addr_add+0x30e/0xa40 [14545.657741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14545.657741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14545.657741][ T7704] netlink_rcv_skb+0x130/0x360 [14545.657741][ T7704] netlink_unicast+0x449/0x710 [14545.657741][ T7704] netlink_sendmsg+0x723/0xbe0 [14545.657741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14545.657741][ T7704] ___sys_sendmsg+0xee/0x170 [14545.657741][ T7704] __sys_sendmsg+0xcd/0x170 [14545.657741][ T7704] do_syscall_64+0xc6/0x1e0 [14545.657741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14545.657741][ T7704] [14545.659906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14545.659906][ T7704] netdev_get_by_index+0x5e/0x80 [14545.659906][ T7704] fib6_nh_init+0x3d8/0x15b0 [14545.659906][ T7704] ip6_route_info_create+0xf18/0x17d0 [14545.659906][ T7704] ip6_route_add+0x1c/0x140 [14545.659906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14545.659906][ T7704] addrconf_add_dev+0xe2/0x170 [14545.659906][ T7704] inet6_addr_add+0x12f/0xa40 [14545.659906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14545.659906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14545.659906][ T7704] netlink_rcv_skb+0x130/0x360 [14545.659906][ T7704] netlink_unicast+0x449/0x710 [14545.659906][ T7704] netlink_sendmsg+0x723/0xbe0 [14545.659906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14545.659906][ T7704] ___sys_sendmsg+0xee/0x170 [14545.659906][ T7704] __sys_sendmsg+0xcd/0x170 [14545.659906][ T7704] do_syscall_64+0xc6/0x1e0 [14545.659906][ T7704] [14545.662069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14545.662069][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14545.662069][ T7704] ipv6_find_idev+0x102/0x170 [14545.662069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14545.662069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14545.662069][ T7704] netlink_rcv_skb+0x130/0x360 [14545.662069][ T7704] netlink_unicast+0x449/0x710 [14545.662069][ T7704] netlink_sendmsg+0x723/0xbe0 [14545.662069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14545.662069][ T7704] ___sys_sendmsg+0xee/0x170 [14545.662069][ T7704] __sys_sendmsg+0xcd/0x170 [14545.662069][ T7704] do_syscall_64+0xc6/0x1e0 [14545.662069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14545.662069][ T7704] [14545.663745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14545.663745][ T7704] neigh_parms_alloc+0x1e5/0x510 [14545.663745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14545.663745][ T7704] ipv6_find_idev+0x102/0x170 [14545.663745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14545.663745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14545.663745][ T7704] netlink_rcv_skb+0x130/0x360 [14545.663745][ T7704] netlink_unicast+0x449/0x710 [14545.663745][ T7704] netlink_sendmsg+0x723/0xbe0 [14545.663745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14545.663745][ T7704] ___sys_sendmsg+0xee/0x170 [14545.663745][ T7704] __sys_sendmsg+0xcd/0x170 [14545.663745][ T7704] do_syscall_64+0xc6/0x1e0 [14545.663745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14545.663745][ T7704] [14555.902881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14555.903355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14555.903355][ T7704] netdev_get_by_index+0x5e/0x80 [14555.903355][ T7704] fib6_nh_init+0x3d8/0x15b0 [14555.903355][ T7704] ip6_route_info_create+0xf18/0x17d0 [14555.903355][ T7704] ip6_route_add+0x1c/0x140 [14555.903355][ T7704] addrconf_prefix_route+0x2a6/0x430 [14555.903355][ T7704] inet6_addr_add+0x4f8/0xa40 [14555.903355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14555.903355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14555.903355][ T7704] netlink_rcv_skb+0x130/0x360 [14555.903355][ T7704] netlink_unicast+0x449/0x710 [14555.903355][ T7704] netlink_sendmsg+0x723/0xbe0 [14555.903355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14555.903355][ T7704] ___sys_sendmsg+0xee/0x170 [14555.903355][ T7704] __sys_sendmsg+0xcd/0x170 [14555.903355][ T7704] do_syscall_64+0xc6/0x1e0 [14555.903355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14555.903355][ T7704] [14555.905560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14555.905560][ T7704] netdev_get_by_index+0x5e/0x80 [14555.905560][ T7704] fib6_nh_init+0x3d8/0x15b0 [14555.905560][ T7704] ip6_route_info_create+0xf18/0x17d0 [14555.905560][ T7704] addrconf_f6i_alloc+0x315/0x560 [14555.905560][ T7704] ipv6_add_addr+0x411/0x2000 [14555.905560][ T7704] inet6_addr_add+0x30e/0xa40 [14555.905560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14555.905560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14555.905560][ T7704] netlink_rcv_skb+0x130/0x360 [14555.905560][ T7704] netlink_unicast+0x449/0x710 [14555.905560][ T7704] netlink_sendmsg+0x723/0xbe0 [14555.905560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14555.905560][ T7704] ___sys_sendmsg+0xee/0x170 [14555.905560][ T7704] __sys_sendmsg+0xcd/0x170 [14555.905560][ T7704] do_syscall_64+0xc6/0x1e0 [14555.905560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14555.905560][ T7704] [14555.907765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14555.907765][ T7704] netdev_get_by_index+0x5e/0x80 [14555.907765][ T7704] fib6_nh_init+0x3d8/0x15b0 [14555.907765][ T7704] ip6_route_info_create+0xf18/0x17d0 [14555.907765][ T7704] ip6_route_add+0x1c/0x140 [14555.907765][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14555.907765][ T7704] addrconf_add_dev+0xe2/0x170 [14555.907765][ T7704] inet6_addr_add+0x12f/0xa40 [14555.907765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14555.907765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14555.907765][ T7704] netlink_rcv_skb+0x130/0x360 [14555.907765][ T7704] netlink_unicast+0x449/0x710 [14555.907765][ T7704] netlink_sendmsg+0x723/0xbe0 [14555.907765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14555.907765][ T7704] ___sys_sendmsg+0xee/0x170 [14555.907765][ T7704] __sys_sendmsg+0xcd/0x170 [14555.907765][ T7704] do_syscall_64+0xc6/0x1e0 [14555.907765][ T7704] [14555.909939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14555.909939][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14555.909939][ T7704] ipv6_find_idev+0x102/0x170 [14555.909939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14555.909939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14555.909939][ T7704] netlink_rcv_skb+0x130/0x360 [14555.909939][ T7704] netlink_unicast+0x449/0x710 [14555.909939][ T7704] netlink_sendmsg+0x723/0xbe0 [14555.909939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14555.909939][ T7704] ___sys_sendmsg+0xee/0x170 [14555.909939][ T7704] __sys_sendmsg+0xcd/0x170 [14555.909939][ T7704] do_syscall_64+0xc6/0x1e0 [14555.909939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14555.909939][ T7704] [14555.911602][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14555.911602][ T7704] neigh_parms_alloc+0x1e5/0x510 [14555.911602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14555.911602][ T7704] ipv6_find_idev+0x102/0x170 [14555.911602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14555.911602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14555.911602][ T7704] netlink_rcv_skb+0x130/0x360 [14555.911602][ T7704] netlink_unicast+0x449/0x710 [14555.911602][ T7704] netlink_sendmsg+0x723/0xbe0 [14555.911602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14555.911602][ T7704] ___sys_sendmsg+0xee/0x170 [14555.911602][ T7704] __sys_sendmsg+0xcd/0x170 [14555.911602][ T7704] do_syscall_64+0xc6/0x1e0 [14555.911602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14555.911602][ T7704] [14566.150946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14566.151433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14566.151433][ T7704] netdev_get_by_index+0x5e/0x80 [14566.151433][ T7704] fib6_nh_init+0x3d8/0x15b0 [14566.151433][ T7704] ip6_route_info_create+0xf18/0x17d0 [14566.151433][ T7704] ip6_route_add+0x1c/0x140 [14566.151433][ T7704] addrconf_prefix_route+0x2a6/0x430 [14566.151433][ T7704] inet6_addr_add+0x4f8/0xa40 [14566.151433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14566.151433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14566.151433][ T7704] netlink_rcv_skb+0x130/0x360 [14566.151433][ T7704] netlink_unicast+0x449/0x710 [14566.151433][ T7704] netlink_sendmsg+0x723/0xbe0 [14566.151433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14566.151433][ T7704] ___sys_sendmsg+0xee/0x170 [14566.151433][ T7704] __sys_sendmsg+0xcd/0x170 [14566.151433][ T7704] do_syscall_64+0xc6/0x1e0 [14566.151433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14566.151433][ T7704] [14566.153703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14566.153703][ T7704] netdev_get_by_index+0x5e/0x80 [14566.153703][ T7704] fib6_nh_init+0x3d8/0x15b0 [14566.153703][ T7704] ip6_route_info_create+0xf18/0x17d0 [14566.153703][ T7704] addrconf_f6i_alloc+0x315/0x560 [14566.153703][ T7704] ipv6_add_addr+0x411/0x2000 [14566.153703][ T7704] inet6_addr_add+0x30e/0xa40 [14566.153703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14566.153703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14566.153703][ T7704] netlink_rcv_skb+0x130/0x360 [14566.153703][ T7704] netlink_unicast+0x449/0x710 [14566.153703][ T7704] netlink_sendmsg+0x723/0xbe0 [14566.153703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14566.153703][ T7704] ___sys_sendmsg+0xee/0x170 [14566.153703][ T7704] __sys_sendmsg+0xcd/0x170 [14566.153703][ T7704] do_syscall_64+0xc6/0x1e0 [14566.153703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14566.153703][ T7704] [14566.155952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14566.155952][ T7704] netdev_get_by_index+0x5e/0x80 [14566.155952][ T7704] fib6_nh_init+0x3d8/0x15b0 [14566.155952][ T7704] ip6_route_info_create+0xf18/0x17d0 [14566.155952][ T7704] ip6_route_add+0x1c/0x140 [14566.155952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14566.155952][ T7704] addrconf_add_dev+0xe2/0x170 [14566.155952][ T7704] inet6_addr_add+0x12f/0xa40 [14566.155952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14566.155952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14566.155952][ T7704] netlink_rcv_skb+0x130/0x360 [14566.155952][ T7704] netlink_unicast+0x449/0x710 [14566.155952][ T7704] netlink_sendmsg+0x723/0xbe0 [14566.155952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14566.155952][ T7704] ___sys_sendmsg+0xee/0x170 [14566.155952][ T7704] __sys_sendmsg+0xcd/0x170 [14566.155952][ T7704] do_syscall_64+0xc6/0x1e0 [14566.155952][ T7704] [14566.158090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14566.158090][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14566.158090][ T7704] ipv6_find_idev+0x102/0x170 [14566.158090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14566.158090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14566.158090][ T7704] netlink_rcv_skb+0x130/0x360 [14566.158090][ T7704] netlink_unicast+0x449/0x710 [14566.158090][ T7704] netlink_sendmsg+0x723/0xbe0 [14566.158090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14566.158090][ T7704] ___sys_sendmsg+0xee/0x170 [14566.158090][ T7704] __sys_sendmsg+0xcd/0x170 [14566.158090][ T7704] do_syscall_64+0xc6/0x1e0 [14566.158090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14566.158090][ T7704] [14566.159831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14566.159831][ T7704] neigh_parms_alloc+0x1e5/0x510 [14566.159831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14566.159831][ T7704] ipv6_find_idev+0x102/0x170 [14566.159831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14566.159831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14566.159831][ T7704] netlink_rcv_skb+0x130/0x360 [14566.159831][ T7704] netlink_unicast+0x449/0x710 [14566.159831][ T7704] netlink_sendmsg+0x723/0xbe0 [14566.159831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14566.159831][ T7704] ___sys_sendmsg+0xee/0x170 [14566.159831][ T7704] __sys_sendmsg+0xcd/0x170 [14566.159831][ T7704] do_syscall_64+0xc6/0x1e0 [14566.159831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14566.159831][ T7704] [14576.398886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14576.399581][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14576.399581][ T7704] netdev_get_by_index+0x5e/0x80 [14576.399581][ T7704] fib6_nh_init+0x3d8/0x15b0 [14576.399581][ T7704] ip6_route_info_create+0xf18/0x17d0 [14576.399581][ T7704] ip6_route_add+0x1c/0x140 [14576.399581][ T7704] addrconf_prefix_route+0x2a6/0x430 [14576.399581][ T7704] inet6_addr_add+0x4f8/0xa40 [14576.399581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14576.399581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14576.399581][ T7704] netlink_rcv_skb+0x130/0x360 [14576.399581][ T7704] netlink_unicast+0x449/0x710 [14576.399581][ T7704] netlink_sendmsg+0x723/0xbe0 [14576.399581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14576.399581][ T7704] ___sys_sendmsg+0xee/0x170 [14576.399581][ T7704] __sys_sendmsg+0xcd/0x170 [14576.399581][ T7704] do_syscall_64+0xc6/0x1e0 [14576.399581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14576.399581][ T7704] [14576.403271][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14576.403271][ T7704] netdev_get_by_index+0x5e/0x80 [14576.403271][ T7704] fib6_nh_init+0x3d8/0x15b0 [14576.403271][ T7704] ip6_route_info_create+0xf18/0x17d0 [14576.403271][ T7704] addrconf_f6i_alloc+0x315/0x560 [14576.403271][ T7704] ipv6_add_addr+0x411/0x2000 [14576.403271][ T7704] inet6_addr_add+0x30e/0xa40 [14576.403271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14576.403271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14576.403271][ T7704] netlink_rcv_skb+0x130/0x360 [14576.403271][ T7704] netlink_unicast+0x449/0x710 [14576.403271][ T7704] netlink_sendmsg+0x723/0xbe0 [14576.403271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14576.403271][ T7704] ___sys_sendmsg+0xee/0x170 [14576.403271][ T7704] __sys_sendmsg+0xcd/0x170 [14576.403271][ T7704] do_syscall_64+0xc6/0x1e0 [14576.403271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14576.403271][ T7704] [14576.406840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14576.406840][ T7704] netdev_get_by_index+0x5e/0x80 [14576.406840][ T7704] fib6_nh_init+0x3d8/0x15b0 [14576.406840][ T7704] ip6_route_info_create+0xf18/0x17d0 [14576.406840][ T7704] ip6_route_add+0x1c/0x140 [14576.406840][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14576.406840][ T7704] addrconf_add_dev+0xe2/0x170 [14576.406840][ T7704] inet6_addr_add+0x12f/0xa40 [14576.406840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14576.406840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14576.406840][ T7704] netlink_rcv_skb+0x130/0x360 [14576.406840][ T7704] netlink_unicast+0x449/0x710 [14576.406840][ T7704] netlink_sendmsg+0x723/0xbe0 [14576.406840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14576.406840][ T7704] ___sys_sendmsg+0xee/0x170 [14576.406840][ T7704] __sys_sendmsg+0xcd/0x170 [14576.406840][ T7704] do_syscall_64+0xc6/0x1e0 [14576.406840][ T7704] [14576.410464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14576.410464][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14576.410464][ T7704] ipv6_find_idev+0x102/0x170 [14576.410464][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14576.410464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14576.410464][ T7704] netlink_rcv_skb+0x130/0x360 [14576.410464][ T7704] netlink_unicast+0x449/0x710 [14576.410464][ T7704] netlink_sendmsg+0x723/0xbe0 [14576.410464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14576.410464][ T7704] ___sys_sendmsg+0xee/0x170 [14576.410464][ T7704] __sys_sendmsg+0xcd/0x170 [14576.410464][ T7704] do_syscall_64+0xc6/0x1e0 [14576.410464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14576.410464][ T7704] [14576.413268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14576.413268][ T7704] neigh_parms_alloc+0x1e5/0x510 [14576.413268][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14576.413268][ T7704] ipv6_find_idev+0x102/0x170 [14576.413268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14576.413268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14576.413268][ T7704] netlink_rcv_skb+0x130/0x360 [14576.413268][ T7704] netlink_unicast+0x449/0x710 [14576.413268][ T7704] netlink_sendmsg+0x723/0xbe0 [14576.413268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14576.413268][ T7704] ___sys_sendmsg+0xee/0x170 [14576.413268][ T7704] __sys_sendmsg+0xcd/0x170 [14576.413268][ T7704] do_syscall_64+0xc6/0x1e0 [14576.413268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14576.413268][ T7704] [14586.654932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14586.655396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14586.655396][ T7704] netdev_get_by_index+0x5e/0x80 [14586.655396][ T7704] fib6_nh_init+0x3d8/0x15b0 [14586.655396][ T7704] ip6_route_info_create+0xf18/0x17d0 [14586.655396][ T7704] ip6_route_add+0x1c/0x140 [14586.655396][ T7704] addrconf_prefix_route+0x2a6/0x430 [14586.655396][ T7704] inet6_addr_add+0x4f8/0xa40 [14586.655396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14586.655396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14586.655396][ T7704] netlink_rcv_skb+0x130/0x360 [14586.655396][ T7704] netlink_unicast+0x449/0x710 [14586.655396][ T7704] netlink_sendmsg+0x723/0xbe0 [14586.655396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14586.655396][ T7704] ___sys_sendmsg+0xee/0x170 [14586.655396][ T7704] __sys_sendmsg+0xcd/0x170 [14586.655396][ T7704] do_syscall_64+0xc6/0x1e0 [14586.655396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14586.655396][ T7704] [14586.657671][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14586.657671][ T7704] netdev_get_by_index+0x5e/0x80 [14586.657671][ T7704] fib6_nh_init+0x3d8/0x15b0 [14586.657671][ T7704] ip6_route_info_create+0xf18/0x17d0 [14586.657671][ T7704] addrconf_f6i_alloc+0x315/0x560 [14586.657671][ T7704] ipv6_add_addr+0x411/0x2000 [14586.657671][ T7704] inet6_addr_add+0x30e/0xa40 [14586.657671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14586.657671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14586.657671][ T7704] netlink_rcv_skb+0x130/0x360 [14586.657671][ T7704] netlink_unicast+0x449/0x710 [14586.657671][ T7704] netlink_sendmsg+0x723/0xbe0 [14586.657671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14586.657671][ T7704] ___sys_sendmsg+0xee/0x170 [14586.657671][ T7704] __sys_sendmsg+0xcd/0x170 [14586.657671][ T7704] do_syscall_64+0xc6/0x1e0 [14586.657671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14586.657671][ T7704] [14586.659916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14586.659916][ T7704] netdev_get_by_index+0x5e/0x80 [14586.659916][ T7704] fib6_nh_init+0x3d8/0x15b0 [14586.659916][ T7704] ip6_route_info_create+0xf18/0x17d0 [14586.659916][ T7704] ip6_route_add+0x1c/0x140 [14586.659916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14586.659916][ T7704] addrconf_add_dev+0xe2/0x170 [14586.659916][ T7704] inet6_addr_add+0x12f/0xa40 [14586.659916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14586.659916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14586.659916][ T7704] netlink_rcv_skb+0x130/0x360 [14586.659916][ T7704] netlink_unicast+0x449/0x710 [14586.659916][ T7704] netlink_sendmsg+0x723/0xbe0 [14586.659916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14586.659916][ T7704] ___sys_sendmsg+0xee/0x170 [14586.659916][ T7704] __sys_sendmsg+0xcd/0x170 [14586.659916][ T7704] do_syscall_64+0xc6/0x1e0 [14586.659916][ T7704] [14586.662145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14586.662145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14586.662145][ T7704] ipv6_find_idev+0x102/0x170 [14586.662145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14586.662145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14586.662145][ T7704] netlink_rcv_skb+0x130/0x360 [14586.662145][ T7704] netlink_unicast+0x449/0x710 [14586.662145][ T7704] netlink_sendmsg+0x723/0xbe0 [14586.662145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14586.662145][ T7704] ___sys_sendmsg+0xee/0x170 [14586.662145][ T7704] __sys_sendmsg+0xcd/0x170 [14586.662145][ T7704] do_syscall_64+0xc6/0x1e0 [14586.662145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14586.662145][ T7704] [14586.663865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14586.663865][ T7704] neigh_parms_alloc+0x1e5/0x510 [14586.663865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14586.663865][ T7704] ipv6_find_idev+0x102/0x170 [14586.663865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14586.663865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14586.663865][ T7704] netlink_rcv_skb+0x130/0x360 [14586.663865][ T7704] netlink_unicast+0x449/0x710 [14586.663865][ T7704] netlink_sendmsg+0x723/0xbe0 [14586.663865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14586.663865][ T7704] ___sys_sendmsg+0xee/0x170 [14586.663865][ T7704] __sys_sendmsg+0xcd/0x170 [14586.663865][ T7704] do_syscall_64+0xc6/0x1e0 [14586.663865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14586.663865][ T7704] [14596.831009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14596.831562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14596.831562][ T7704] netdev_get_by_index+0x5e/0x80 [14596.831562][ T7704] fib6_nh_init+0x3d8/0x15b0 [14596.831562][ T7704] ip6_route_info_create+0xf18/0x17d0 [14596.831562][ T7704] ip6_route_add+0x1c/0x140 [14596.831562][ T7704] addrconf_prefix_route+0x2a6/0x430 [14596.831562][ T7704] inet6_addr_add+0x4f8/0xa40 [14596.831562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14596.831562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14596.831562][ T7704] netlink_rcv_skb+0x130/0x360 [14596.831562][ T7704] netlink_unicast+0x449/0x710 [14596.831562][ T7704] netlink_sendmsg+0x723/0xbe0 [14596.831562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14596.831562][ T7704] ___sys_sendmsg+0xee/0x170 [14596.831562][ T7704] __sys_sendmsg+0xcd/0x170 [14596.831562][ T7704] do_syscall_64+0xc6/0x1e0 [14596.831562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14596.831562][ T7704] [14596.833797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14596.833797][ T7704] netdev_get_by_index+0x5e/0x80 [14596.833797][ T7704] fib6_nh_init+0x3d8/0x15b0 [14596.833797][ T7704] ip6_route_info_create+0xf18/0x17d0 [14596.833797][ T7704] addrconf_f6i_alloc+0x315/0x560 [14596.833797][ T7704] ipv6_add_addr+0x411/0x2000 [14596.833797][ T7704] inet6_addr_add+0x30e/0xa40 [14596.833797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14596.833797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14596.833797][ T7704] netlink_rcv_skb+0x130/0x360 [14596.833797][ T7704] netlink_unicast+0x449/0x710 [14596.833797][ T7704] netlink_sendmsg+0x723/0xbe0 [14596.833797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14596.833797][ T7704] ___sys_sendmsg+0xee/0x170 [14596.833797][ T7704] __sys_sendmsg+0xcd/0x170 [14596.833797][ T7704] do_syscall_64+0xc6/0x1e0 [14596.833797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14596.833797][ T7704] [14596.835995][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14596.835995][ T7704] netdev_get_by_index+0x5e/0x80 [14596.835995][ T7704] fib6_nh_init+0x3d8/0x15b0 [14596.835995][ T7704] ip6_route_info_create+0xf18/0x17d0 [14596.835995][ T7704] ip6_route_add+0x1c/0x140 [14596.835995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14596.835995][ T7704] addrconf_add_dev+0xe2/0x170 [14596.835995][ T7704] inet6_addr_add+0x12f/0xa40 [14596.835995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14596.835995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14596.835995][ T7704] netlink_rcv_skb+0x130/0x360 [14596.835995][ T7704] netlink_unicast+0x449/0x710 [14596.835995][ T7704] netlink_sendmsg+0x723/0xbe0 [14596.835995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14596.835995][ T7704] ___sys_sendmsg+0xee/0x170 [14596.835995][ T7704] __sys_sendmsg+0xcd/0x170 [14596.835995][ T7704] do_syscall_64+0xc6/0x1e0 [14596.835995][ T7704] [14596.838194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14596.838194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14596.838194][ T7704] ipv6_find_idev+0x102/0x170 [14596.838194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14596.838194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14596.838194][ T7704] netlink_rcv_skb+0x130/0x360 [14596.838194][ T7704] netlink_unicast+0x449/0x710 [14596.838194][ T7704] netlink_sendmsg+0x723/0xbe0 [14596.838194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14596.838194][ T7704] ___sys_sendmsg+0xee/0x170 [14596.838194][ T7704] __sys_sendmsg+0xcd/0x170 [14596.838194][ T7704] do_syscall_64+0xc6/0x1e0 [14596.838194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14596.838194][ T7704] [14596.839926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14596.839926][ T7704] neigh_parms_alloc+0x1e5/0x510 [14596.839926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14596.839926][ T7704] ipv6_find_idev+0x102/0x170 [14596.839926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14596.839926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14596.839926][ T7704] netlink_rcv_skb+0x130/0x360 [14596.839926][ T7704] netlink_unicast+0x449/0x710 [14596.839926][ T7704] netlink_sendmsg+0x723/0xbe0 [14596.839926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14596.839926][ T7704] ___sys_sendmsg+0xee/0x170 [14596.839926][ T7704] __sys_sendmsg+0xcd/0x170 [14596.839926][ T7704] do_syscall_64+0xc6/0x1e0 [14596.839926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14596.839926][ T7704] [14607.087003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14607.087752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14607.087752][ T7704] netdev_get_by_index+0x5e/0x80 [14607.087752][ T7704] fib6_nh_init+0x3d8/0x15b0 [14607.087752][ T7704] ip6_route_info_create+0xf18/0x17d0 [14607.087752][ T7704] ip6_route_add+0x1c/0x140 [14607.087752][ T7704] addrconf_prefix_route+0x2a6/0x430 [14607.087752][ T7704] inet6_addr_add+0x4f8/0xa40 [14607.087752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14607.087752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14607.087752][ T7704] netlink_rcv_skb+0x130/0x360 [14607.087752][ T7704] netlink_unicast+0x449/0x710 [14607.087752][ T7704] netlink_sendmsg+0x723/0xbe0 [14607.087752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14607.087752][ T7704] ___sys_sendmsg+0xee/0x170 [14607.087752][ T7704] __sys_sendmsg+0xcd/0x170 [14607.087752][ T7704] do_syscall_64+0xc6/0x1e0 [14607.087752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14607.087752][ T7704] [14607.089941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14607.089941][ T7704] netdev_get_by_index+0x5e/0x80 [14607.089941][ T7704] fib6_nh_init+0x3d8/0x15b0 [14607.089941][ T7704] ip6_route_info_create+0xf18/0x17d0 [14607.089941][ T7704] addrconf_f6i_alloc+0x315/0x560 [14607.089941][ T7704] ipv6_add_addr+0x411/0x2000 [14607.089941][ T7704] inet6_addr_add+0x30e/0xa40 [14607.089941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14607.089941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14607.089941][ T7704] netlink_rcv_skb+0x130/0x360 [14607.089941][ T7704] netlink_unicast+0x449/0x710 [14607.089941][ T7704] netlink_sendmsg+0x723/0xbe0 [14607.089941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14607.089941][ T7704] ___sys_sendmsg+0xee/0x170 [14607.089941][ T7704] __sys_sendmsg+0xcd/0x170 [14607.089941][ T7704] do_syscall_64+0xc6/0x1e0 [14607.089941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14607.089941][ T7704] [14607.092135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14607.092135][ T7704] netdev_get_by_index+0x5e/0x80 [14607.092135][ T7704] fib6_nh_init+0x3d8/0x15b0 [14607.092135][ T7704] ip6_route_info_create+0xf18/0x17d0 [14607.092135][ T7704] ip6_route_add+0x1c/0x140 [14607.092135][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14607.092135][ T7704] addrconf_add_dev+0xe2/0x170 [14607.092135][ T7704] inet6_addr_add+0x12f/0xa40 [14607.092135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14607.092135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14607.092135][ T7704] netlink_rcv_skb+0x130/0x360 [14607.092135][ T7704] netlink_unicast+0x449/0x710 [14607.092135][ T7704] netlink_sendmsg+0x723/0xbe0 [14607.092135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14607.092135][ T7704] ___sys_sendmsg+0xee/0x170 [14607.092135][ T7704] __sys_sendmsg+0xcd/0x170 [14607.092135][ T7704] do_syscall_64+0xc6/0x1e0 [14607.092135][ T7704] [14607.094332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14607.094332][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14607.094332][ T7704] ipv6_find_idev+0x102/0x170 [14607.094332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14607.094332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14607.094332][ T7704] netlink_rcv_skb+0x130/0x360 [14607.094332][ T7704] netlink_unicast+0x449/0x710 [14607.094332][ T7704] netlink_sendmsg+0x723/0xbe0 [14607.094332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14607.094332][ T7704] ___sys_sendmsg+0xee/0x170 [14607.094332][ T7704] __sys_sendmsg+0xcd/0x170 [14607.094332][ T7704] do_syscall_64+0xc6/0x1e0 [14607.094332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14607.094332][ T7704] [14607.096051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14607.096051][ T7704] neigh_parms_alloc+0x1e5/0x510 [14607.096051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14607.096051][ T7704] ipv6_find_idev+0x102/0x170 [14607.096051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14607.096051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14607.096051][ T7704] netlink_rcv_skb+0x130/0x360 [14607.096051][ T7704] netlink_unicast+0x449/0x710 [14607.096051][ T7704] netlink_sendmsg+0x723/0xbe0 [14607.096051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14607.096051][ T7704] ___sys_sendmsg+0xee/0x170 [14607.096051][ T7704] __sys_sendmsg+0xcd/0x170 [14607.096051][ T7704] do_syscall_64+0xc6/0x1e0 [14607.096051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14607.096051][ T7704] [14617.342966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14617.343439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14617.343439][ T7704] netdev_get_by_index+0x5e/0x80 [14617.343439][ T7704] fib6_nh_init+0x3d8/0x15b0 [14617.343439][ T7704] ip6_route_info_create+0xf18/0x17d0 [14617.343439][ T7704] ip6_route_add+0x1c/0x140 [14617.343439][ T7704] addrconf_prefix_route+0x2a6/0x430 [14617.343439][ T7704] inet6_addr_add+0x4f8/0xa40 [14617.343439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14617.343439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14617.343439][ T7704] netlink_rcv_skb+0x130/0x360 [14617.343439][ T7704] netlink_unicast+0x449/0x710 [14617.343439][ T7704] netlink_sendmsg+0x723/0xbe0 [14617.343439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14617.343439][ T7704] ___sys_sendmsg+0xee/0x170 [14617.343439][ T7704] __sys_sendmsg+0xcd/0x170 [14617.343439][ T7704] do_syscall_64+0xc6/0x1e0 [14617.343439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14617.343439][ T7704] [14617.345690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14617.345690][ T7704] netdev_get_by_index+0x5e/0x80 [14617.345690][ T7704] fib6_nh_init+0x3d8/0x15b0 [14617.345690][ T7704] ip6_route_info_create+0xf18/0x17d0 [14617.345690][ T7704] addrconf_f6i_alloc+0x315/0x560 [14617.345690][ T7704] ipv6_add_addr+0x411/0x2000 [14617.345690][ T7704] inet6_addr_add+0x30e/0xa40 [14617.345690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14617.345690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14617.345690][ T7704] netlink_rcv_skb+0x130/0x360 [14617.345690][ T7704] netlink_unicast+0x449/0x710 [14617.345690][ T7704] netlink_sendmsg+0x723/0xbe0 [14617.345690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14617.345690][ T7704] ___sys_sendmsg+0xee/0x170 [14617.345690][ T7704] __sys_sendmsg+0xcd/0x170 [14617.345690][ T7704] do_syscall_64+0xc6/0x1e0 [14617.345690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14617.345690][ T7704] [14617.347927][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14617.347927][ T7704] netdev_get_by_index+0x5e/0x80 [14617.347927][ T7704] fib6_nh_init+0x3d8/0x15b0 [14617.347927][ T7704] ip6_route_info_create+0xf18/0x17d0 [14617.347927][ T7704] ip6_route_add+0x1c/0x140 [14617.347927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14617.347927][ T7704] addrconf_add_dev+0xe2/0x170 [14617.347927][ T7704] inet6_addr_add+0x12f/0xa40 [14617.347927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14617.347927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14617.347927][ T7704] netlink_rcv_skb+0x130/0x360 [14617.347927][ T7704] netlink_unicast+0x449/0x710 [14617.347927][ T7704] netlink_sendmsg+0x723/0xbe0 [14617.347927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14617.347927][ T7704] ___sys_sendmsg+0xee/0x170 [14617.347927][ T7704] __sys_sendmsg+0xcd/0x170 [14617.347927][ T7704] do_syscall_64+0xc6/0x1e0 [14617.347927][ T7704] [14617.350116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14617.350116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14617.350116][ T7704] ipv6_find_idev+0x102/0x170 [14617.350116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14617.350116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14617.350116][ T7704] netlink_rcv_skb+0x130/0x360 [14617.350116][ T7704] netlink_unicast+0x449/0x710 [14617.350116][ T7704] netlink_sendmsg+0x723/0xbe0 [14617.350116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14617.350116][ T7704] ___sys_sendmsg+0xee/0x170 [14617.350116][ T7704] __sys_sendmsg+0xcd/0x170 [14617.350116][ T7704] do_syscall_64+0xc6/0x1e0 [14617.350116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14617.350116][ T7704] [14617.351838][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14617.351838][ T7704] neigh_parms_alloc+0x1e5/0x510 [14617.351838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14617.351838][ T7704] ipv6_find_idev+0x102/0x170 [14617.351838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14617.351838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14617.351838][ T7704] netlink_rcv_skb+0x130/0x360 [14617.351838][ T7704] netlink_unicast+0x449/0x710 [14617.351838][ T7704] netlink_sendmsg+0x723/0xbe0 [14617.351838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14617.351838][ T7704] ___sys_sendmsg+0xee/0x170 [14617.351838][ T7704] __sys_sendmsg+0xcd/0x170 [14617.351838][ T7704] do_syscall_64+0xc6/0x1e0 [14617.351838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14617.351838][ T7704] [14627.599015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14627.599486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14627.599486][ T7704] netdev_get_by_index+0x5e/0x80 [14627.599486][ T7704] fib6_nh_init+0x3d8/0x15b0 [14627.599486][ T7704] ip6_route_info_create+0xf18/0x17d0 [14627.599486][ T7704] ip6_route_add+0x1c/0x140 [14627.599486][ T7704] addrconf_prefix_route+0x2a6/0x430 [14627.599486][ T7704] inet6_addr_add+0x4f8/0xa40 [14627.599486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14627.599486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14627.599486][ T7704] netlink_rcv_skb+0x130/0x360 [14627.599486][ T7704] netlink_unicast+0x449/0x710 [14627.599486][ T7704] netlink_sendmsg+0x723/0xbe0 [14627.599486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14627.599486][ T7704] ___sys_sendmsg+0xee/0x170 [14627.599486][ T7704] __sys_sendmsg+0xcd/0x170 [14627.599486][ T7704] do_syscall_64+0xc6/0x1e0 [14627.599486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14627.599486][ T7704] [14627.601762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14627.601762][ T7704] netdev_get_by_index+0x5e/0x80 [14627.601762][ T7704] fib6_nh_init+0x3d8/0x15b0 [14627.601762][ T7704] ip6_route_info_create+0xf18/0x17d0 [14627.601762][ T7704] addrconf_f6i_alloc+0x315/0x560 [14627.601762][ T7704] ipv6_add_addr+0x411/0x2000 [14627.601762][ T7704] inet6_addr_add+0x30e/0xa40 [14627.601762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14627.601762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14627.601762][ T7704] netlink_rcv_skb+0x130/0x360 [14627.601762][ T7704] netlink_unicast+0x449/0x710 [14627.601762][ T7704] netlink_sendmsg+0x723/0xbe0 [14627.601762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14627.601762][ T7704] ___sys_sendmsg+0xee/0x170 [14627.601762][ T7704] __sys_sendmsg+0xcd/0x170 [14627.601762][ T7704] do_syscall_64+0xc6/0x1e0 [14627.601762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14627.601762][ T7704] [14627.603992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14627.603992][ T7704] netdev_get_by_index+0x5e/0x80 [14627.603992][ T7704] fib6_nh_init+0x3d8/0x15b0 [14627.603992][ T7704] ip6_route_info_create+0xf18/0x17d0 [14627.603992][ T7704] ip6_route_add+0x1c/0x140 [14627.603992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14627.603992][ T7704] addrconf_add_dev+0xe2/0x170 [14627.603992][ T7704] inet6_addr_add+0x12f/0xa40 [14627.603992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14627.603992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14627.603992][ T7704] netlink_rcv_skb+0x130/0x360 [14627.603992][ T7704] netlink_unicast+0x449/0x710 [14627.603992][ T7704] netlink_sendmsg+0x723/0xbe0 [14627.603992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14627.603992][ T7704] ___sys_sendmsg+0xee/0x170 [14627.603992][ T7704] __sys_sendmsg+0xcd/0x170 [14627.603992][ T7704] do_syscall_64+0xc6/0x1e0 [14627.603992][ T7704] [14627.606176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14627.606176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14627.606176][ T7704] ipv6_find_idev+0x102/0x170 [14627.606176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14627.606176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14627.606176][ T7704] netlink_rcv_skb+0x130/0x360 [14627.606176][ T7704] netlink_unicast+0x449/0x710 [14627.606176][ T7704] netlink_sendmsg+0x723/0xbe0 [14627.606176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14627.606176][ T7704] ___sys_sendmsg+0xee/0x170 [14627.606176][ T7704] __sys_sendmsg+0xcd/0x170 [14627.606176][ T7704] do_syscall_64+0xc6/0x1e0 [14627.606176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14627.606176][ T7704] [14627.607836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14627.607836][ T7704] neigh_parms_alloc+0x1e5/0x510 [14627.607836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14627.607836][ T7704] ipv6_find_idev+0x102/0x170 [14627.607836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14627.607836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14627.607836][ T7704] netlink_rcv_skb+0x130/0x360 [14627.607836][ T7704] netlink_unicast+0x449/0x710 [14627.607836][ T7704] netlink_sendmsg+0x723/0xbe0 [14627.607836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14627.607836][ T7704] ___sys_sendmsg+0xee/0x170 [14627.607836][ T7704] __sys_sendmsg+0xcd/0x170 [14627.607836][ T7704] do_syscall_64+0xc6/0x1e0 [14627.607836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14627.607836][ T7704] [14637.855001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14637.855784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14637.855784][ T7704] netdev_get_by_index+0x5e/0x80 [14637.855784][ T7704] fib6_nh_init+0x3d8/0x15b0 [14637.855784][ T7704] ip6_route_info_create+0xf18/0x17d0 [14637.855784][ T7704] ip6_route_add+0x1c/0x140 [14637.855784][ T7704] addrconf_prefix_route+0x2a6/0x430 [14637.855784][ T7704] inet6_addr_add+0x4f8/0xa40 [14637.855784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14637.855784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14637.855784][ T7704] netlink_rcv_skb+0x130/0x360 [14637.855784][ T7704] netlink_unicast+0x449/0x710 [14637.855784][ T7704] netlink_sendmsg+0x723/0xbe0 [14637.855784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14637.855784][ T7704] ___sys_sendmsg+0xee/0x170 [14637.855784][ T7704] __sys_sendmsg+0xcd/0x170 [14637.855784][ T7704] do_syscall_64+0xc6/0x1e0 [14637.855784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14637.855784][ T7704] [14637.857968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14637.857968][ T7704] netdev_get_by_index+0x5e/0x80 [14637.857968][ T7704] fib6_nh_init+0x3d8/0x15b0 [14637.857968][ T7704] ip6_route_info_create+0xf18/0x17d0 [14637.857968][ T7704] addrconf_f6i_alloc+0x315/0x560 [14637.857968][ T7704] ipv6_add_addr+0x411/0x2000 [14637.857968][ T7704] inet6_addr_add+0x30e/0xa40 [14637.857968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14637.857968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14637.857968][ T7704] netlink_rcv_skb+0x130/0x360 [14637.857968][ T7704] netlink_unicast+0x449/0x710 [14637.857968][ T7704] netlink_sendmsg+0x723/0xbe0 [14637.857968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14637.857968][ T7704] ___sys_sendmsg+0xee/0x170 [14637.857968][ T7704] __sys_sendmsg+0xcd/0x170 [14637.857968][ T7704] do_syscall_64+0xc6/0x1e0 [14637.857968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14637.857968][ T7704] [14637.860232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14637.860232][ T7704] netdev_get_by_index+0x5e/0x80 [14637.860232][ T7704] fib6_nh_init+0x3d8/0x15b0 [14637.860232][ T7704] ip6_route_info_create+0xf18/0x17d0 [14637.860232][ T7704] ip6_route_add+0x1c/0x140 [14637.860232][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14637.860232][ T7704] addrconf_add_dev+0xe2/0x170 [14637.860232][ T7704] inet6_addr_add+0x12f/0xa40 [14637.860232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14637.860232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14637.860232][ T7704] netlink_rcv_skb+0x130/0x360 [14637.860232][ T7704] netlink_unicast+0x449/0x710 [14637.860232][ T7704] netlink_sendmsg+0x723/0xbe0 [14637.860232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14637.860232][ T7704] ___sys_sendmsg+0xee/0x170 [14637.860232][ T7704] __sys_sendmsg+0xcd/0x170 [14637.860232][ T7704] do_syscall_64+0xc6/0x1e0 [14637.860232][ T7704] [14637.862410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14637.862410][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14637.862410][ T7704] ipv6_find_idev+0x102/0x170 [14637.862410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14637.862410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14637.862410][ T7704] netlink_rcv_skb+0x130/0x360 [14637.862410][ T7704] netlink_unicast+0x449/0x710 [14637.862410][ T7704] netlink_sendmsg+0x723/0xbe0 [14637.862410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14637.862410][ T7704] ___sys_sendmsg+0xee/0x170 [14637.862410][ T7704] __sys_sendmsg+0xcd/0x170 [14637.862410][ T7704] do_syscall_64+0xc6/0x1e0 [14637.862410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14637.862410][ T7704] [14637.864070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14637.864070][ T7704] neigh_parms_alloc+0x1e5/0x510 [14637.864070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14637.864070][ T7704] ipv6_find_idev+0x102/0x170 [14637.864070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14637.864070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14637.864070][ T7704] netlink_rcv_skb+0x130/0x360 [14637.864070][ T7704] netlink_unicast+0x449/0x710 [14637.864070][ T7704] netlink_sendmsg+0x723/0xbe0 [14637.864070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14637.864070][ T7704] ___sys_sendmsg+0xee/0x170 [14637.864070][ T7704] __sys_sendmsg+0xcd/0x170 [14637.864070][ T7704] do_syscall_64+0xc6/0x1e0 [14637.864070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14637.864070][ T7704] [14648.110927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14648.111427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14648.111427][ T7704] netdev_get_by_index+0x5e/0x80 [14648.111427][ T7704] fib6_nh_init+0x3d8/0x15b0 [14648.111427][ T7704] ip6_route_info_create+0xf18/0x17d0 [14648.111427][ T7704] ip6_route_add+0x1c/0x140 [14648.111427][ T7704] addrconf_prefix_route+0x2a6/0x430 [14648.111427][ T7704] inet6_addr_add+0x4f8/0xa40 [14648.111427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14648.111427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14648.111427][ T7704] netlink_rcv_skb+0x130/0x360 [14648.111427][ T7704] netlink_unicast+0x449/0x710 [14648.111427][ T7704] netlink_sendmsg+0x723/0xbe0 [14648.111427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14648.111427][ T7704] ___sys_sendmsg+0xee/0x170 [14648.111427][ T7704] __sys_sendmsg+0xcd/0x170 [14648.111427][ T7704] do_syscall_64+0xc6/0x1e0 [14648.111427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14648.111427][ T7704] [14648.113666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14648.113666][ T7704] netdev_get_by_index+0x5e/0x80 [14648.113666][ T7704] fib6_nh_init+0x3d8/0x15b0 [14648.113666][ T7704] ip6_route_info_create+0xf18/0x17d0 [14648.113666][ T7704] addrconf_f6i_alloc+0x315/0x560 [14648.113666][ T7704] ipv6_add_addr+0x411/0x2000 [14648.113666][ T7704] inet6_addr_add+0x30e/0xa40 [14648.113666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14648.113666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14648.113666][ T7704] netlink_rcv_skb+0x130/0x360 [14648.113666][ T7704] netlink_unicast+0x449/0x710 [14648.113666][ T7704] netlink_sendmsg+0x723/0xbe0 [14648.113666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14648.113666][ T7704] ___sys_sendmsg+0xee/0x170 [14648.113666][ T7704] __sys_sendmsg+0xcd/0x170 [14648.113666][ T7704] do_syscall_64+0xc6/0x1e0 [14648.113666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14648.113666][ T7704] [14648.115887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14648.115887][ T7704] netdev_get_by_index+0x5e/0x80 [14648.115887][ T7704] fib6_nh_init+0x3d8/0x15b0 [14648.115887][ T7704] ip6_route_info_create+0xf18/0x17d0 [14648.115887][ T7704] ip6_route_add+0x1c/0x140 [14648.115887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14648.115887][ T7704] addrconf_add_dev+0xe2/0x170 [14648.115887][ T7704] inet6_addr_add+0x12f/0xa40 [14648.115887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14648.115887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14648.115887][ T7704] netlink_rcv_skb+0x130/0x360 [14648.115887][ T7704] netlink_unicast+0x449/0x710 [14648.115887][ T7704] netlink_sendmsg+0x723/0xbe0 [14648.115887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14648.115887][ T7704] ___sys_sendmsg+0xee/0x170 [14648.115887][ T7704] __sys_sendmsg+0xcd/0x170 [14648.115887][ T7704] do_syscall_64+0xc6/0x1e0 [14648.115887][ T7704] [14648.118095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14648.118095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14648.118095][ T7704] ipv6_find_idev+0x102/0x170 [14648.118095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14648.118095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14648.118095][ T7704] netlink_rcv_skb+0x130/0x360 [14648.118095][ T7704] netlink_unicast+0x449/0x710 [14648.118095][ T7704] netlink_sendmsg+0x723/0xbe0 [14648.118095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14648.118095][ T7704] ___sys_sendmsg+0xee/0x170 [14648.118095][ T7704] __sys_sendmsg+0xcd/0x170 [14648.118095][ T7704] do_syscall_64+0xc6/0x1e0 [14648.118095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14648.118095][ T7704] [14648.119813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14648.119813][ T7704] neigh_parms_alloc+0x1e5/0x510 [14648.119813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14648.119813][ T7704] ipv6_find_idev+0x102/0x170 [14648.119813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14648.119813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14648.119813][ T7704] netlink_rcv_skb+0x130/0x360 [14648.119813][ T7704] netlink_unicast+0x449/0x710 [14648.119813][ T7704] netlink_sendmsg+0x723/0xbe0 [14648.119813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14648.119813][ T7704] ___sys_sendmsg+0xee/0x170 [14648.119813][ T7704] __sys_sendmsg+0xcd/0x170 [14648.119813][ T7704] do_syscall_64+0xc6/0x1e0 [14648.119813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14648.119813][ T7704] [14658.367016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14658.367703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14658.367703][ T7704] netdev_get_by_index+0x5e/0x80 [14658.367703][ T7704] fib6_nh_init+0x3d8/0x15b0 [14658.367703][ T7704] ip6_route_info_create+0xf18/0x17d0 [14658.367703][ T7704] ip6_route_add+0x1c/0x140 [14658.367703][ T7704] addrconf_prefix_route+0x2a6/0x430 [14658.367703][ T7704] inet6_addr_add+0x4f8/0xa40 [14658.367703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14658.367703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14658.367703][ T7704] netlink_rcv_skb+0x130/0x360 [14658.367703][ T7704] netlink_unicast+0x449/0x710 [14658.367703][ T7704] netlink_sendmsg+0x723/0xbe0 [14658.367703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14658.367703][ T7704] ___sys_sendmsg+0xee/0x170 [14658.367703][ T7704] __sys_sendmsg+0xcd/0x170 [14658.367703][ T7704] do_syscall_64+0xc6/0x1e0 [14658.367703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14658.367703][ T7704] [14658.370007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14658.370007][ T7704] netdev_get_by_index+0x5e/0x80 [14658.370007][ T7704] fib6_nh_init+0x3d8/0x15b0 [14658.370007][ T7704] ip6_route_info_create+0xf18/0x17d0 [14658.370007][ T7704] addrconf_f6i_alloc+0x315/0x560 [14658.370007][ T7704] ipv6_add_addr+0x411/0x2000 [14658.370007][ T7704] inet6_addr_add+0x30e/0xa40 [14658.370007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14658.370007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14658.370007][ T7704] netlink_rcv_skb+0x130/0x360 [14658.370007][ T7704] netlink_unicast+0x449/0x710 [14658.370007][ T7704] netlink_sendmsg+0x723/0xbe0 [14658.370007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14658.370007][ T7704] ___sys_sendmsg+0xee/0x170 [14658.370007][ T7704] __sys_sendmsg+0xcd/0x170 [14658.370007][ T7704] do_syscall_64+0xc6/0x1e0 [14658.370007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14658.370007][ T7704] [14658.372257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14658.372257][ T7704] netdev_get_by_index+0x5e/0x80 [14658.372257][ T7704] fib6_nh_init+0x3d8/0x15b0 [14658.372257][ T7704] ip6_route_info_create+0xf18/0x17d0 [14658.372257][ T7704] ip6_route_add+0x1c/0x140 [14658.372257][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14658.372257][ T7704] addrconf_add_dev+0xe2/0x170 [14658.372257][ T7704] inet6_addr_add+0x12f/0xa40 [14658.372257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14658.372257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14658.372257][ T7704] netlink_rcv_skb+0x130/0x360 [14658.372257][ T7704] netlink_unicast+0x449/0x710 [14658.372257][ T7704] netlink_sendmsg+0x723/0xbe0 [14658.372257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14658.372257][ T7704] ___sys_sendmsg+0xee/0x170 [14658.372257][ T7704] __sys_sendmsg+0xcd/0x170 [14658.372257][ T7704] do_syscall_64+0xc6/0x1e0 [14658.372257][ T7704] [14658.374445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14658.374445][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14658.374445][ T7704] ipv6_find_idev+0x102/0x170 [14658.374445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14658.374445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14658.374445][ T7704] netlink_rcv_skb+0x130/0x360 [14658.374445][ T7704] netlink_unicast+0x449/0x710 [14658.374445][ T7704] netlink_sendmsg+0x723/0xbe0 [14658.374445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14658.374445][ T7704] ___sys_sendmsg+0xee/0x170 [14658.374445][ T7704] __sys_sendmsg+0xcd/0x170 [14658.374445][ T7704] do_syscall_64+0xc6/0x1e0 [14658.374445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14658.374445][ T7704] [14658.376167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14658.376167][ T7704] neigh_parms_alloc+0x1e5/0x510 [14658.376167][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14658.376167][ T7704] ipv6_find_idev+0x102/0x170 [14658.376167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14658.376167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14658.376167][ T7704] netlink_rcv_skb+0x130/0x360 [14658.376167][ T7704] netlink_unicast+0x449/0x710 [14658.376167][ T7704] netlink_sendmsg+0x723/0xbe0 [14658.376167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14658.376167][ T7704] ___sys_sendmsg+0xee/0x170 [14658.376167][ T7704] __sys_sendmsg+0xcd/0x170 [14658.376167][ T7704] do_syscall_64+0xc6/0x1e0 [14658.376167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14658.376167][ T7704] [14668.622999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14668.623652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14668.623652][ T7704] netdev_get_by_index+0x5e/0x80 [14668.623652][ T7704] fib6_nh_init+0x3d8/0x15b0 [14668.623652][ T7704] ip6_route_info_create+0xf18/0x17d0 [14668.623652][ T7704] ip6_route_add+0x1c/0x140 [14668.623652][ T7704] addrconf_prefix_route+0x2a6/0x430 [14668.623652][ T7704] inet6_addr_add+0x4f8/0xa40 [14668.623652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14668.623652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14668.623652][ T7704] netlink_rcv_skb+0x130/0x360 [14668.623652][ T7704] netlink_unicast+0x449/0x710 [14668.623652][ T7704] netlink_sendmsg+0x723/0xbe0 [14668.623652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14668.623652][ T7704] ___sys_sendmsg+0xee/0x170 [14668.623652][ T7704] __sys_sendmsg+0xcd/0x170 [14668.623652][ T7704] do_syscall_64+0xc6/0x1e0 [14668.623652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14668.623652][ T7704] [14668.625930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14668.625930][ T7704] netdev_get_by_index+0x5e/0x80 [14668.625930][ T7704] fib6_nh_init+0x3d8/0x15b0 [14668.625930][ T7704] ip6_route_info_create+0xf18/0x17d0 [14668.625930][ T7704] addrconf_f6i_alloc+0x315/0x560 [14668.625930][ T7704] ipv6_add_addr+0x411/0x2000 [14668.625930][ T7704] inet6_addr_add+0x30e/0xa40 [14668.625930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14668.625930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14668.625930][ T7704] netlink_rcv_skb+0x130/0x360 [14668.625930][ T7704] netlink_unicast+0x449/0x710 [14668.625930][ T7704] netlink_sendmsg+0x723/0xbe0 [14668.625930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14668.625930][ T7704] ___sys_sendmsg+0xee/0x170 [14668.625930][ T7704] __sys_sendmsg+0xcd/0x170 [14668.625930][ T7704] do_syscall_64+0xc6/0x1e0 [14668.625930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14668.625930][ T7704] [14668.628137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14668.628137][ T7704] netdev_get_by_index+0x5e/0x80 [14668.628137][ T7704] fib6_nh_init+0x3d8/0x15b0 [14668.628137][ T7704] ip6_route_info_create+0xf18/0x17d0 [14668.628137][ T7704] ip6_route_add+0x1c/0x140 [14668.628137][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14668.628137][ T7704] addrconf_add_dev+0xe2/0x170 [14668.628137][ T7704] inet6_addr_add+0x12f/0xa40 [14668.628137][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14668.628137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14668.628137][ T7704] netlink_rcv_skb+0x130/0x360 [14668.628137][ T7704] netlink_unicast+0x449/0x710 [14668.628137][ T7704] netlink_sendmsg+0x723/0xbe0 [14668.628137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14668.628137][ T7704] ___sys_sendmsg+0xee/0x170 [14668.628137][ T7704] __sys_sendmsg+0xcd/0x170 [14668.628137][ T7704] do_syscall_64+0xc6/0x1e0 [14668.628137][ T7704] [14668.630316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14668.630316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14668.630316][ T7704] ipv6_find_idev+0x102/0x170 [14668.630316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14668.630316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14668.630316][ T7704] netlink_rcv_skb+0x130/0x360 [14668.630316][ T7704] netlink_unicast+0x449/0x710 [14668.630316][ T7704] netlink_sendmsg+0x723/0xbe0 [14668.630316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14668.630316][ T7704] ___sys_sendmsg+0xee/0x170 [14668.630316][ T7704] __sys_sendmsg+0xcd/0x170 [14668.630316][ T7704] do_syscall_64+0xc6/0x1e0 [14668.630316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14668.630316][ T7704] [14668.631991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14668.631991][ T7704] neigh_parms_alloc+0x1e5/0x510 [14668.631991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14668.631991][ T7704] ipv6_find_idev+0x102/0x170 [14668.631991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14668.631991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14668.631991][ T7704] netlink_rcv_skb+0x130/0x360 [14668.631991][ T7704] netlink_unicast+0x449/0x710 [14668.631991][ T7704] netlink_sendmsg+0x723/0xbe0 [14668.631991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14668.631991][ T7704] ___sys_sendmsg+0xee/0x170 [14668.631991][ T7704] __sys_sendmsg+0xcd/0x170 [14668.631991][ T7704] do_syscall_64+0xc6/0x1e0 [14668.631991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14668.631991][ T7704] [14678.879000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14678.879565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14678.879565][ T7704] netdev_get_by_index+0x5e/0x80 [14678.879565][ T7704] fib6_nh_init+0x3d8/0x15b0 [14678.879565][ T7704] ip6_route_info_create+0xf18/0x17d0 [14678.879565][ T7704] ip6_route_add+0x1c/0x140 [14678.879565][ T7704] addrconf_prefix_route+0x2a6/0x430 [14678.879565][ T7704] inet6_addr_add+0x4f8/0xa40 [14678.879565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14678.879565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14678.879565][ T7704] netlink_rcv_skb+0x130/0x360 [14678.879565][ T7704] netlink_unicast+0x449/0x710 [14678.879565][ T7704] netlink_sendmsg+0x723/0xbe0 [14678.879565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14678.879565][ T7704] ___sys_sendmsg+0xee/0x170 [14678.879565][ T7704] __sys_sendmsg+0xcd/0x170 [14678.879565][ T7704] do_syscall_64+0xc6/0x1e0 [14678.879565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14678.879565][ T7704] [14678.881820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14678.881820][ T7704] netdev_get_by_index+0x5e/0x80 [14678.881820][ T7704] fib6_nh_init+0x3d8/0x15b0 [14678.881820][ T7704] ip6_route_info_create+0xf18/0x17d0 [14678.881820][ T7704] addrconf_f6i_alloc+0x315/0x560 [14678.881820][ T7704] ipv6_add_addr+0x411/0x2000 [14678.881820][ T7704] inet6_addr_add+0x30e/0xa40 [14678.881820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14678.881820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14678.881820][ T7704] netlink_rcv_skb+0x130/0x360 [14678.881820][ T7704] netlink_unicast+0x449/0x710 [14678.881820][ T7704] netlink_sendmsg+0x723/0xbe0 [14678.881820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14678.881820][ T7704] ___sys_sendmsg+0xee/0x170 [14678.881820][ T7704] __sys_sendmsg+0xcd/0x170 [14678.881820][ T7704] do_syscall_64+0xc6/0x1e0 [14678.881820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14678.881820][ T7704] [14678.884043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14678.884043][ T7704] netdev_get_by_index+0x5e/0x80 [14678.884043][ T7704] fib6_nh_init+0x3d8/0x15b0 [14678.884043][ T7704] ip6_route_info_create+0xf18/0x17d0 [14678.884043][ T7704] ip6_route_add+0x1c/0x140 [14678.884043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14678.884043][ T7704] addrconf_add_dev+0xe2/0x170 [14678.884043][ T7704] inet6_addr_add+0x12f/0xa40 [14678.884043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14678.884043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14678.884043][ T7704] netlink_rcv_skb+0x130/0x360 [14678.884043][ T7704] netlink_unicast+0x449/0x710 [14678.884043][ T7704] netlink_sendmsg+0x723/0xbe0 [14678.884043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14678.884043][ T7704] ___sys_sendmsg+0xee/0x170 [14678.884043][ T7704] __sys_sendmsg+0xcd/0x170 [14678.884043][ T7704] do_syscall_64+0xc6/0x1e0 [14678.884043][ T7704] [14678.886213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14678.886213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14678.886213][ T7704] ipv6_find_idev+0x102/0x170 [14678.886213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14678.886213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14678.886213][ T7704] netlink_rcv_skb+0x130/0x360 [14678.886213][ T7704] netlink_unicast+0x449/0x710 [14678.886213][ T7704] netlink_sendmsg+0x723/0xbe0 [14678.886213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14678.886213][ T7704] ___sys_sendmsg+0xee/0x170 [14678.886213][ T7704] __sys_sendmsg+0xcd/0x170 [14678.886213][ T7704] do_syscall_64+0xc6/0x1e0 [14678.886213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14678.886213][ T7704] [14678.887894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14678.887894][ T7704] neigh_parms_alloc+0x1e5/0x510 [14678.887894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14678.887894][ T7704] ipv6_find_idev+0x102/0x170 [14678.887894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14678.887894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14678.887894][ T7704] netlink_rcv_skb+0x130/0x360 [14678.887894][ T7704] netlink_unicast+0x449/0x710 [14678.887894][ T7704] netlink_sendmsg+0x723/0xbe0 [14678.887894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14678.887894][ T7704] ___sys_sendmsg+0xee/0x170 [14678.887894][ T7704] __sys_sendmsg+0xcd/0x170 [14678.887894][ T7704] do_syscall_64+0xc6/0x1e0 [14678.887894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14678.887894][ T7704] [14689.143015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14689.143744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14689.143744][ T7704] netdev_get_by_index+0x5e/0x80 [14689.143744][ T7704] fib6_nh_init+0x3d8/0x15b0 [14689.143744][ T7704] ip6_route_info_create+0xf18/0x17d0 [14689.143744][ T7704] ip6_route_add+0x1c/0x140 [14689.143744][ T7704] addrconf_prefix_route+0x2a6/0x430 [14689.143744][ T7704] inet6_addr_add+0x4f8/0xa40 [14689.143744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14689.143744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14689.143744][ T7704] netlink_rcv_skb+0x130/0x360 [14689.143744][ T7704] netlink_unicast+0x449/0x710 [14689.143744][ T7704] netlink_sendmsg+0x723/0xbe0 [14689.143744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14689.143744][ T7704] ___sys_sendmsg+0xee/0x170 [14689.143744][ T7704] __sys_sendmsg+0xcd/0x170 [14689.143744][ T7704] do_syscall_64+0xc6/0x1e0 [14689.143744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14689.143744][ T7704] [14689.145939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14689.145939][ T7704] netdev_get_by_index+0x5e/0x80 [14689.145939][ T7704] fib6_nh_init+0x3d8/0x15b0 [14689.145939][ T7704] ip6_route_info_create+0xf18/0x17d0 [14689.145939][ T7704] addrconf_f6i_alloc+0x315/0x560 [14689.145939][ T7704] ipv6_add_addr+0x411/0x2000 [14689.145939][ T7704] inet6_addr_add+0x30e/0xa40 [14689.145939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14689.145939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14689.145939][ T7704] netlink_rcv_skb+0x130/0x360 [14689.145939][ T7704] netlink_unicast+0x449/0x710 [14689.145939][ T7704] netlink_sendmsg+0x723/0xbe0 [14689.145939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14689.145939][ T7704] ___sys_sendmsg+0xee/0x170 [14689.145939][ T7704] __sys_sendmsg+0xcd/0x170 [14689.145939][ T7704] do_syscall_64+0xc6/0x1e0 [14689.145939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14689.145939][ T7704] [14689.148109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14689.148109][ T7704] netdev_get_by_index+0x5e/0x80 [14689.148109][ T7704] fib6_nh_init+0x3d8/0x15b0 [14689.148109][ T7704] ip6_route_info_create+0xf18/0x17d0 [14689.148109][ T7704] ip6_route_add+0x1c/0x140 [14689.148109][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14689.148109][ T7704] addrconf_add_dev+0xe2/0x170 [14689.148109][ T7704] inet6_addr_add+0x12f/0xa40 [14689.148109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14689.148109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14689.148109][ T7704] netlink_rcv_skb+0x130/0x360 [14689.148109][ T7704] netlink_unicast+0x449/0x710 [14689.148109][ T7704] netlink_sendmsg+0x723/0xbe0 [14689.148109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14689.148109][ T7704] ___sys_sendmsg+0xee/0x170 [14689.148109][ T7704] __sys_sendmsg+0xcd/0x170 [14689.148109][ T7704] do_syscall_64+0xc6/0x1e0 [14689.148109][ T7704] [14689.150321][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14689.150321][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14689.150321][ T7704] ipv6_find_idev+0x102/0x170 [14689.150321][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14689.150321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14689.150321][ T7704] netlink_rcv_skb+0x130/0x360 [14689.150321][ T7704] netlink_unicast+0x449/0x710 [14689.150321][ T7704] netlink_sendmsg+0x723/0xbe0 [14689.150321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14689.150321][ T7704] ___sys_sendmsg+0xee/0x170 [14689.150321][ T7704] __sys_sendmsg+0xcd/0x170 [14689.150321][ T7704] do_syscall_64+0xc6/0x1e0 [14689.150321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14689.150321][ T7704] [14689.152031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14689.152031][ T7704] neigh_parms_alloc+0x1e5/0x510 [14689.152031][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14689.152031][ T7704] ipv6_find_idev+0x102/0x170 [14689.152031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14689.152031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14689.152031][ T7704] netlink_rcv_skb+0x130/0x360 [14689.152031][ T7704] netlink_unicast+0x449/0x710 [14689.152031][ T7704] netlink_sendmsg+0x723/0xbe0 [14689.152031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14689.152031][ T7704] ___sys_sendmsg+0xee/0x170 [14689.152031][ T7704] __sys_sendmsg+0xcd/0x170 [14689.152031][ T7704] do_syscall_64+0xc6/0x1e0 [14689.152031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14689.152031][ T7704] [14699.391002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14699.391768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14699.391768][ T7704] netdev_get_by_index+0x5e/0x80 [14699.391768][ T7704] fib6_nh_init+0x3d8/0x15b0 [14699.391768][ T7704] ip6_route_info_create+0xf18/0x17d0 [14699.391768][ T7704] ip6_route_add+0x1c/0x140 [14699.391768][ T7704] addrconf_prefix_route+0x2a6/0x430 [14699.391768][ T7704] inet6_addr_add+0x4f8/0xa40 [14699.391768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14699.391768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14699.391768][ T7704] netlink_rcv_skb+0x130/0x360 [14699.391768][ T7704] netlink_unicast+0x449/0x710 [14699.391768][ T7704] netlink_sendmsg+0x723/0xbe0 [14699.391768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14699.391768][ T7704] ___sys_sendmsg+0xee/0x170 [14699.391768][ T7704] __sys_sendmsg+0xcd/0x170 [14699.391768][ T7704] do_syscall_64+0xc6/0x1e0 [14699.391768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14699.391768][ T7704] [14699.393970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14699.393970][ T7704] netdev_get_by_index+0x5e/0x80 [14699.393970][ T7704] fib6_nh_init+0x3d8/0x15b0 [14699.393970][ T7704] ip6_route_info_create+0xf18/0x17d0 [14699.393970][ T7704] addrconf_f6i_alloc+0x315/0x560 [14699.393970][ T7704] ipv6_add_addr+0x411/0x2000 [14699.393970][ T7704] inet6_addr_add+0x30e/0xa40 [14699.393970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14699.393970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14699.393970][ T7704] netlink_rcv_skb+0x130/0x360 [14699.393970][ T7704] netlink_unicast+0x449/0x710 [14699.393970][ T7704] netlink_sendmsg+0x723/0xbe0 [14699.393970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14699.393970][ T7704] ___sys_sendmsg+0xee/0x170 [14699.393970][ T7704] __sys_sendmsg+0xcd/0x170 [14699.393970][ T7704] do_syscall_64+0xc6/0x1e0 [14699.393970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14699.393970][ T7704] [14699.396125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14699.396125][ T7704] netdev_get_by_index+0x5e/0x80 [14699.396125][ T7704] fib6_nh_init+0x3d8/0x15b0 [14699.396125][ T7704] ip6_route_info_create+0xf18/0x17d0 [14699.396125][ T7704] ip6_route_add+0x1c/0x140 [14699.396125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14699.396125][ T7704] addrconf_add_dev+0xe2/0x170 [14699.396125][ T7704] inet6_addr_add+0x12f/0xa40 [14699.396125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14699.396125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14699.396125][ T7704] netlink_rcv_skb+0x130/0x360 [14699.396125][ T7704] netlink_unicast+0x449/0x710 [14699.396125][ T7704] netlink_sendmsg+0x723/0xbe0 [14699.396125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14699.396125][ T7704] ___sys_sendmsg+0xee/0x170 [14699.396125][ T7704] __sys_sendmsg+0xcd/0x170 [14699.396125][ T7704] do_syscall_64+0xc6/0x1e0 [14699.396125][ T7704] [14699.398246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14699.398246][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14699.398246][ T7704] ipv6_find_idev+0x102/0x170 [14699.398246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14699.398246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14699.398246][ T7704] netlink_rcv_skb+0x130/0x360 [14699.398246][ T7704] netlink_unicast+0x449/0x710 [14699.398246][ T7704] netlink_sendmsg+0x723/0xbe0 [14699.398246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14699.398246][ T7704] ___sys_sendmsg+0xee/0x170 [14699.398246][ T7704] __sys_sendmsg+0xcd/0x170 [14699.398246][ T7704] do_syscall_64+0xc6/0x1e0 [14699.398246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14699.398246][ T7704] [14699.399908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14699.399908][ T7704] neigh_parms_alloc+0x1e5/0x510 [14699.399908][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14699.399908][ T7704] ipv6_find_idev+0x102/0x170 [14699.399908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14699.399908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14699.399908][ T7704] netlink_rcv_skb+0x130/0x360 [14699.399908][ T7704] netlink_unicast+0x449/0x710 [14699.399908][ T7704] netlink_sendmsg+0x723/0xbe0 [14699.399908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14699.399908][ T7704] ___sys_sendmsg+0xee/0x170 [14699.399908][ T7704] __sys_sendmsg+0xcd/0x170 [14699.399908][ T7704] do_syscall_64+0xc6/0x1e0 [14699.399908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14699.399908][ T7704] [14709.407008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14709.407546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14709.407546][ T7704] netdev_get_by_index+0x5e/0x80 [14709.407546][ T7704] fib6_nh_init+0x3d8/0x15b0 [14709.407546][ T7704] ip6_route_info_create+0xf18/0x17d0 [14709.407546][ T7704] ip6_route_add+0x1c/0x140 [14709.407546][ T7704] addrconf_prefix_route+0x2a6/0x430 [14709.407546][ T7704] inet6_addr_add+0x4f8/0xa40 [14709.407546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14709.407546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14709.407546][ T7704] netlink_rcv_skb+0x130/0x360 [14709.407546][ T7704] netlink_unicast+0x449/0x710 [14709.407546][ T7704] netlink_sendmsg+0x723/0xbe0 [14709.407546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14709.407546][ T7704] ___sys_sendmsg+0xee/0x170 [14709.407546][ T7704] __sys_sendmsg+0xcd/0x170 [14709.407546][ T7704] do_syscall_64+0xc6/0x1e0 [14709.407546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14709.407546][ T7704] [14709.409776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14709.409776][ T7704] netdev_get_by_index+0x5e/0x80 [14709.409776][ T7704] fib6_nh_init+0x3d8/0x15b0 [14709.409776][ T7704] ip6_route_info_create+0xf18/0x17d0 [14709.409776][ T7704] addrconf_f6i_alloc+0x315/0x560 [14709.409776][ T7704] ipv6_add_addr+0x411/0x2000 [14709.409776][ T7704] inet6_addr_add+0x30e/0xa40 [14709.409776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14709.409776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14709.409776][ T7704] netlink_rcv_skb+0x130/0x360 [14709.409776][ T7704] netlink_unicast+0x449/0x710 [14709.409776][ T7704] netlink_sendmsg+0x723/0xbe0 [14709.409776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14709.409776][ T7704] ___sys_sendmsg+0xee/0x170 [14709.409776][ T7704] __sys_sendmsg+0xcd/0x170 [14709.409776][ T7704] do_syscall_64+0xc6/0x1e0 [14709.409776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14709.409776][ T7704] [14709.411942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14709.411942][ T7704] netdev_get_by_index+0x5e/0x80 [14709.411942][ T7704] fib6_nh_init+0x3d8/0x15b0 [14709.411942][ T7704] ip6_route_info_create+0xf18/0x17d0 [14709.411942][ T7704] ip6_route_add+0x1c/0x140 [14709.411942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14709.411942][ T7704] addrconf_add_dev+0xe2/0x170 [14709.411942][ T7704] inet6_addr_add+0x12f/0xa40 [14709.411942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14709.411942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14709.411942][ T7704] netlink_rcv_skb+0x130/0x360 [14709.411942][ T7704] netlink_unicast+0x449/0x710 [14709.411942][ T7704] netlink_sendmsg+0x723/0xbe0 [14709.411942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14709.411942][ T7704] ___sys_sendmsg+0xee/0x170 [14709.411942][ T7704] __sys_sendmsg+0xcd/0x170 [14709.411942][ T7704] do_syscall_64+0xc6/0x1e0 [14709.411942][ T7704] [14709.414060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14709.414060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14709.414060][ T7704] ipv6_find_idev+0x102/0x170 [14709.414060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14709.414060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14709.414060][ T7704] netlink_rcv_skb+0x130/0x360 [14709.414060][ T7704] netlink_unicast+0x449/0x710 [14709.414060][ T7704] netlink_sendmsg+0x723/0xbe0 [14709.414060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14709.414060][ T7704] ___sys_sendmsg+0xee/0x170 [14709.414060][ T7704] __sys_sendmsg+0xcd/0x170 [14709.414060][ T7704] do_syscall_64+0xc6/0x1e0 [14709.414060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14709.414060][ T7704] [14709.415754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14709.415754][ T7704] neigh_parms_alloc+0x1e5/0x510 [14709.415754][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14709.415754][ T7704] ipv6_find_idev+0x102/0x170 [14709.415754][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14709.415754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14709.415754][ T7704] netlink_rcv_skb+0x130/0x360 [14709.415754][ T7704] netlink_unicast+0x449/0x710 [14709.415754][ T7704] netlink_sendmsg+0x723/0xbe0 [14709.415754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14709.415754][ T7704] ___sys_sendmsg+0xee/0x170 [14709.415754][ T7704] __sys_sendmsg+0xcd/0x170 [14709.415754][ T7704] do_syscall_64+0xc6/0x1e0 [14709.415754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14709.415754][ T7704] [14719.662973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14719.663510][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14719.663510][ T7704] netdev_get_by_index+0x5e/0x80 [14719.663510][ T7704] fib6_nh_init+0x3d8/0x15b0 [14719.663510][ T7704] ip6_route_info_create+0xf18/0x17d0 [14719.663510][ T7704] ip6_route_add+0x1c/0x140 [14719.663510][ T7704] addrconf_prefix_route+0x2a6/0x430 [14719.663510][ T7704] inet6_addr_add+0x4f8/0xa40 [14719.663510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14719.663510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14719.663510][ T7704] netlink_rcv_skb+0x130/0x360 [14719.663510][ T7704] netlink_unicast+0x449/0x710 [14719.663510][ T7704] netlink_sendmsg+0x723/0xbe0 [14719.663510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14719.663510][ T7704] ___sys_sendmsg+0xee/0x170 [14719.663510][ T7704] __sys_sendmsg+0xcd/0x170 [14719.663510][ T7704] do_syscall_64+0xc6/0x1e0 [14719.663510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14719.663510][ T7704] [14719.665745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14719.665745][ T7704] netdev_get_by_index+0x5e/0x80 [14719.665745][ T7704] fib6_nh_init+0x3d8/0x15b0 [14719.665745][ T7704] ip6_route_info_create+0xf18/0x17d0 [14719.665745][ T7704] addrconf_f6i_alloc+0x315/0x560 [14719.665745][ T7704] ipv6_add_addr+0x411/0x2000 [14719.665745][ T7704] inet6_addr_add+0x30e/0xa40 [14719.665745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14719.665745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14719.665745][ T7704] netlink_rcv_skb+0x130/0x360 [14719.665745][ T7704] netlink_unicast+0x449/0x710 [14719.665745][ T7704] netlink_sendmsg+0x723/0xbe0 [14719.665745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14719.665745][ T7704] ___sys_sendmsg+0xee/0x170 [14719.665745][ T7704] __sys_sendmsg+0xcd/0x170 [14719.665745][ T7704] do_syscall_64+0xc6/0x1e0 [14719.665745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14719.665745][ T7704] [14719.667965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14719.667965][ T7704] netdev_get_by_index+0x5e/0x80 [14719.667965][ T7704] fib6_nh_init+0x3d8/0x15b0 [14719.667965][ T7704] ip6_route_info_create+0xf18/0x17d0 [14719.667965][ T7704] ip6_route_add+0x1c/0x140 [14719.667965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14719.667965][ T7704] addrconf_add_dev+0xe2/0x170 [14719.667965][ T7704] inet6_addr_add+0x12f/0xa40 [14719.667965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14719.667965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14719.667965][ T7704] netlink_rcv_skb+0x130/0x360 [14719.667965][ T7704] netlink_unicast+0x449/0x710 [14719.667965][ T7704] netlink_sendmsg+0x723/0xbe0 [14719.667965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14719.667965][ T7704] ___sys_sendmsg+0xee/0x170 [14719.667965][ T7704] __sys_sendmsg+0xcd/0x170 [14719.667965][ T7704] do_syscall_64+0xc6/0x1e0 [14719.667965][ T7704] [14719.670151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14719.670151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14719.670151][ T7704] ipv6_find_idev+0x102/0x170 [14719.670151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14719.670151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14719.670151][ T7704] netlink_rcv_skb+0x130/0x360 [14719.670151][ T7704] netlink_unicast+0x449/0x710 [14719.670151][ T7704] netlink_sendmsg+0x723/0xbe0 [14719.670151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14719.670151][ T7704] ___sys_sendmsg+0xee/0x170 [14719.670151][ T7704] __sys_sendmsg+0xcd/0x170 [14719.670151][ T7704] do_syscall_64+0xc6/0x1e0 [14719.670151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14719.670151][ T7704] [14719.671873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14719.671873][ T7704] neigh_parms_alloc+0x1e5/0x510 [14719.671873][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14719.671873][ T7704] ipv6_find_idev+0x102/0x170 [14719.671873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14719.671873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14719.671873][ T7704] netlink_rcv_skb+0x130/0x360 [14719.671873][ T7704] netlink_unicast+0x449/0x710 [14719.671873][ T7704] netlink_sendmsg+0x723/0xbe0 [14719.671873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14719.671873][ T7704] ___sys_sendmsg+0xee/0x170 [14719.671873][ T7704] __sys_sendmsg+0xcd/0x170 [14719.671873][ T7704] do_syscall_64+0xc6/0x1e0 [14719.671873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14719.671873][ T7704] [14729.918945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14729.919442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14729.919442][ T7704] netdev_get_by_index+0x5e/0x80 [14729.919442][ T7704] fib6_nh_init+0x3d8/0x15b0 [14729.919442][ T7704] ip6_route_info_create+0xf18/0x17d0 [14729.919442][ T7704] ip6_route_add+0x1c/0x140 [14729.919442][ T7704] addrconf_prefix_route+0x2a6/0x430 [14729.919442][ T7704] inet6_addr_add+0x4f8/0xa40 [14729.919442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14729.919442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14729.919442][ T7704] netlink_rcv_skb+0x130/0x360 [14729.919442][ T7704] netlink_unicast+0x449/0x710 [14729.919442][ T7704] netlink_sendmsg+0x723/0xbe0 [14729.919442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14729.919442][ T7704] ___sys_sendmsg+0xee/0x170 [14729.919442][ T7704] __sys_sendmsg+0xcd/0x170 [14729.919442][ T7704] do_syscall_64+0xc6/0x1e0 [14729.919442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14729.919442][ T7704] [14729.921703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14729.921703][ T7704] netdev_get_by_index+0x5e/0x80 [14729.921703][ T7704] fib6_nh_init+0x3d8/0x15b0 [14729.921703][ T7704] ip6_route_info_create+0xf18/0x17d0 [14729.921703][ T7704] addrconf_f6i_alloc+0x315/0x560 [14729.921703][ T7704] ipv6_add_addr+0x411/0x2000 [14729.921703][ T7704] inet6_addr_add+0x30e/0xa40 [14729.921703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14729.921703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14729.921703][ T7704] netlink_rcv_skb+0x130/0x360 [14729.921703][ T7704] netlink_unicast+0x449/0x710 [14729.921703][ T7704] netlink_sendmsg+0x723/0xbe0 [14729.921703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14729.921703][ T7704] ___sys_sendmsg+0xee/0x170 [14729.921703][ T7704] __sys_sendmsg+0xcd/0x170 [14729.921703][ T7704] do_syscall_64+0xc6/0x1e0 [14729.921703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14729.921703][ T7704] [14729.923914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14729.923914][ T7704] netdev_get_by_index+0x5e/0x80 [14729.923914][ T7704] fib6_nh_init+0x3d8/0x15b0 [14729.923914][ T7704] ip6_route_info_create+0xf18/0x17d0 [14729.923914][ T7704] ip6_route_add+0x1c/0x140 [14729.923914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14729.923914][ T7704] addrconf_add_dev+0xe2/0x170 [14729.923914][ T7704] inet6_addr_add+0x12f/0xa40 [14729.923914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14729.923914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14729.923914][ T7704] netlink_rcv_skb+0x130/0x360 [14729.923914][ T7704] netlink_unicast+0x449/0x710 [14729.923914][ T7704] netlink_sendmsg+0x723/0xbe0 [14729.923914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14729.923914][ T7704] ___sys_sendmsg+0xee/0x170 [14729.923914][ T7704] __sys_sendmsg+0xcd/0x170 [14729.923914][ T7704] do_syscall_64+0xc6/0x1e0 [14729.923914][ T7704] [14729.926103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14729.926103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14729.926103][ T7704] ipv6_find_idev+0x102/0x170 [14729.926103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14729.926103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14729.926103][ T7704] netlink_rcv_skb+0x130/0x360 [14729.926103][ T7704] netlink_unicast+0x449/0x710 [14729.926103][ T7704] netlink_sendmsg+0x723/0xbe0 [14729.926103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14729.926103][ T7704] ___sys_sendmsg+0xee/0x170 [14729.926103][ T7704] __sys_sendmsg+0xcd/0x170 [14729.926103][ T7704] do_syscall_64+0xc6/0x1e0 [14729.926103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14729.926103][ T7704] [14729.927806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14729.927806][ T7704] neigh_parms_alloc+0x1e5/0x510 [14729.927806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14729.927806][ T7704] ipv6_find_idev+0x102/0x170 [14729.927806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14729.927806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14729.927806][ T7704] netlink_rcv_skb+0x130/0x360 [14729.927806][ T7704] netlink_unicast+0x449/0x710 [14729.927806][ T7704] netlink_sendmsg+0x723/0xbe0 [14729.927806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14729.927806][ T7704] ___sys_sendmsg+0xee/0x170 [14729.927806][ T7704] __sys_sendmsg+0xcd/0x170 [14729.927806][ T7704] do_syscall_64+0xc6/0x1e0 [14729.927806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14729.927806][ T7704] [14740.174941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14740.175411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14740.175411][ T7704] netdev_get_by_index+0x5e/0x80 [14740.175411][ T7704] fib6_nh_init+0x3d8/0x15b0 [14740.175411][ T7704] ip6_route_info_create+0xf18/0x17d0 [14740.175411][ T7704] ip6_route_add+0x1c/0x140 [14740.175411][ T7704] addrconf_prefix_route+0x2a6/0x430 [14740.175411][ T7704] inet6_addr_add+0x4f8/0xa40 [14740.175411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14740.175411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14740.175411][ T7704] netlink_rcv_skb+0x130/0x360 [14740.175411][ T7704] netlink_unicast+0x449/0x710 [14740.175411][ T7704] netlink_sendmsg+0x723/0xbe0 [14740.175411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14740.175411][ T7704] ___sys_sendmsg+0xee/0x170 [14740.175411][ T7704] __sys_sendmsg+0xcd/0x170 [14740.175411][ T7704] do_syscall_64+0xc6/0x1e0 [14740.175411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14740.175411][ T7704] [14740.177662][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14740.177662][ T7704] netdev_get_by_index+0x5e/0x80 [14740.177662][ T7704] fib6_nh_init+0x3d8/0x15b0 [14740.177662][ T7704] ip6_route_info_create+0xf18/0x17d0 [14740.177662][ T7704] addrconf_f6i_alloc+0x315/0x560 [14740.177662][ T7704] ipv6_add_addr+0x411/0x2000 [14740.177662][ T7704] inet6_addr_add+0x30e/0xa40 [14740.177662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14740.177662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14740.177662][ T7704] netlink_rcv_skb+0x130/0x360 [14740.177662][ T7704] netlink_unicast+0x449/0x710 [14740.177662][ T7704] netlink_sendmsg+0x723/0xbe0 [14740.177662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14740.177662][ T7704] ___sys_sendmsg+0xee/0x170 [14740.177662][ T7704] __sys_sendmsg+0xcd/0x170 [14740.177662][ T7704] do_syscall_64+0xc6/0x1e0 [14740.177662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14740.177662][ T7704] [14740.179875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14740.179875][ T7704] netdev_get_by_index+0x5e/0x80 [14740.179875][ T7704] fib6_nh_init+0x3d8/0x15b0 [14740.179875][ T7704] ip6_route_info_create+0xf18/0x17d0 [14740.179875][ T7704] ip6_route_add+0x1c/0x140 [14740.179875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14740.179875][ T7704] addrconf_add_dev+0xe2/0x170 [14740.179875][ T7704] inet6_addr_add+0x12f/0xa40 [14740.179875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14740.179875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14740.179875][ T7704] netlink_rcv_skb+0x130/0x360 [14740.179875][ T7704] netlink_unicast+0x449/0x710 [14740.179875][ T7704] netlink_sendmsg+0x723/0xbe0 [14740.179875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14740.179875][ T7704] ___sys_sendmsg+0xee/0x170 [14740.179875][ T7704] __sys_sendmsg+0xcd/0x170 [14740.179875][ T7704] do_syscall_64+0xc6/0x1e0 [14740.179875][ T7704] [14740.182609][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14740.182609][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14740.182609][ T7704] ipv6_find_idev+0x102/0x170 [14740.182609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14740.182609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14740.182609][ T7704] netlink_rcv_skb+0x130/0x360 [14740.182609][ T7704] netlink_unicast+0x449/0x710 [14740.182609][ T7704] netlink_sendmsg+0x723/0xbe0 [14740.182609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14740.182609][ T7704] ___sys_sendmsg+0xee/0x170 [14740.182609][ T7704] __sys_sendmsg+0xcd/0x170 [14740.182609][ T7704] do_syscall_64+0xc6/0x1e0 [14740.182609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14740.182609][ T7704] [14740.184311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14740.184311][ T7704] neigh_parms_alloc+0x1e5/0x510 [14740.184311][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14740.184311][ T7704] ipv6_find_idev+0x102/0x170 [14740.184311][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14740.184311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14740.184311][ T7704] netlink_rcv_skb+0x130/0x360 [14740.184311][ T7704] netlink_unicast+0x449/0x710 [14740.184311][ T7704] netlink_sendmsg+0x723/0xbe0 [14740.184311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14740.184311][ T7704] ___sys_sendmsg+0xee/0x170 [14740.184311][ T7704] __sys_sendmsg+0xcd/0x170 [14740.184311][ T7704] do_syscall_64+0xc6/0x1e0 [14740.184311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14740.184311][ T7704] [14750.214976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14750.215468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14750.215468][ T7704] netdev_get_by_index+0x5e/0x80 [14750.215468][ T7704] fib6_nh_init+0x3d8/0x15b0 [14750.215468][ T7704] ip6_route_info_create+0xf18/0x17d0 [14750.215468][ T7704] ip6_route_add+0x1c/0x140 [14750.215468][ T7704] addrconf_prefix_route+0x2a6/0x430 [14750.215468][ T7704] inet6_addr_add+0x4f8/0xa40 [14750.215468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14750.215468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14750.215468][ T7704] netlink_rcv_skb+0x130/0x360 [14750.215468][ T7704] netlink_unicast+0x449/0x710 [14750.215468][ T7704] netlink_sendmsg+0x723/0xbe0 [14750.215468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14750.215468][ T7704] ___sys_sendmsg+0xee/0x170 [14750.215468][ T7704] __sys_sendmsg+0xcd/0x170 [14750.215468][ T7704] do_syscall_64+0xc6/0x1e0 [14750.215468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14750.215468][ T7704] [14750.217709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14750.217709][ T7704] netdev_get_by_index+0x5e/0x80 [14750.217709][ T7704] fib6_nh_init+0x3d8/0x15b0 [14750.217709][ T7704] ip6_route_info_create+0xf18/0x17d0 [14750.217709][ T7704] addrconf_f6i_alloc+0x315/0x560 [14750.217709][ T7704] ipv6_add_addr+0x411/0x2000 [14750.217709][ T7704] inet6_addr_add+0x30e/0xa40 [14750.217709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14750.217709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14750.217709][ T7704] netlink_rcv_skb+0x130/0x360 [14750.217709][ T7704] netlink_unicast+0x449/0x710 [14750.217709][ T7704] netlink_sendmsg+0x723/0xbe0 [14750.217709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14750.217709][ T7704] ___sys_sendmsg+0xee/0x170 [14750.217709][ T7704] __sys_sendmsg+0xcd/0x170 [14750.217709][ T7704] do_syscall_64+0xc6/0x1e0 [14750.217709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14750.217709][ T7704] [14750.219928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14750.219928][ T7704] netdev_get_by_index+0x5e/0x80 [14750.219928][ T7704] fib6_nh_init+0x3d8/0x15b0 [14750.219928][ T7704] ip6_route_info_create+0xf18/0x17d0 [14750.219928][ T7704] ip6_route_add+0x1c/0x140 [14750.219928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14750.219928][ T7704] addrconf_add_dev+0xe2/0x170 [14750.219928][ T7704] inet6_addr_add+0x12f/0xa40 [14750.219928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14750.219928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14750.219928][ T7704] netlink_rcv_skb+0x130/0x360 [14750.219928][ T7704] netlink_unicast+0x449/0x710 [14750.219928][ T7704] netlink_sendmsg+0x723/0xbe0 [14750.219928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14750.219928][ T7704] ___sys_sendmsg+0xee/0x170 [14750.219928][ T7704] __sys_sendmsg+0xcd/0x170 [14750.219928][ T7704] do_syscall_64+0xc6/0x1e0 [14750.219928][ T7704] [14750.222124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14750.222124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14750.222124][ T7704] ipv6_find_idev+0x102/0x170 [14750.222124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14750.222124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14750.222124][ T7704] netlink_rcv_skb+0x130/0x360 [14750.222124][ T7704] netlink_unicast+0x449/0x710 [14750.222124][ T7704] netlink_sendmsg+0x723/0xbe0 [14750.222124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14750.222124][ T7704] ___sys_sendmsg+0xee/0x170 [14750.222124][ T7704] __sys_sendmsg+0xcd/0x170 [14750.222124][ T7704] do_syscall_64+0xc6/0x1e0 [14750.222124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14750.222124][ T7704] [14750.223835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14750.223835][ T7704] neigh_parms_alloc+0x1e5/0x510 [14750.223835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14750.223835][ T7704] ipv6_find_idev+0x102/0x170 [14750.223835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14750.223835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14750.223835][ T7704] netlink_rcv_skb+0x130/0x360 [14750.223835][ T7704] netlink_unicast+0x449/0x710 [14750.223835][ T7704] netlink_sendmsg+0x723/0xbe0 [14750.223835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14750.223835][ T7704] ___sys_sendmsg+0xee/0x170 [14750.223835][ T7704] __sys_sendmsg+0xcd/0x170 [14750.223835][ T7704] do_syscall_64+0xc6/0x1e0 [14750.223835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14750.223835][ T7704] [14760.430935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14760.431354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14760.431354][ T7704] netdev_get_by_index+0x5e/0x80 [14760.431354][ T7704] fib6_nh_init+0x3d8/0x15b0 [14760.431354][ T7704] ip6_route_info_create+0xf18/0x17d0 [14760.431354][ T7704] ip6_route_add+0x1c/0x140 [14760.431354][ T7704] addrconf_prefix_route+0x2a6/0x430 [14760.431354][ T7704] inet6_addr_add+0x4f8/0xa40 [14760.431354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14760.431354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14760.431354][ T7704] netlink_rcv_skb+0x130/0x360 [14760.431354][ T7704] netlink_unicast+0x449/0x710 [14760.431354][ T7704] netlink_sendmsg+0x723/0xbe0 [14760.431354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14760.431354][ T7704] ___sys_sendmsg+0xee/0x170 [14760.431354][ T7704] __sys_sendmsg+0xcd/0x170 [14760.431354][ T7704] do_syscall_64+0xc6/0x1e0 [14760.431354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14760.431354][ T7704] [14760.433600][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14760.433600][ T7704] netdev_get_by_index+0x5e/0x80 [14760.433600][ T7704] fib6_nh_init+0x3d8/0x15b0 [14760.433600][ T7704] ip6_route_info_create+0xf18/0x17d0 [14760.433600][ T7704] addrconf_f6i_alloc+0x315/0x560 [14760.433600][ T7704] ipv6_add_addr+0x411/0x2000 [14760.433600][ T7704] inet6_addr_add+0x30e/0xa40 [14760.433600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14760.433600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14760.433600][ T7704] netlink_rcv_skb+0x130/0x360 [14760.433600][ T7704] netlink_unicast+0x449/0x710 [14760.433600][ T7704] netlink_sendmsg+0x723/0xbe0 [14760.433600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14760.433600][ T7704] ___sys_sendmsg+0xee/0x170 [14760.433600][ T7704] __sys_sendmsg+0xcd/0x170 [14760.433600][ T7704] do_syscall_64+0xc6/0x1e0 [14760.433600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14760.433600][ T7704] [14760.435813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14760.435813][ T7704] netdev_get_by_index+0x5e/0x80 [14760.435813][ T7704] fib6_nh_init+0x3d8/0x15b0 [14760.435813][ T7704] ip6_route_info_create+0xf18/0x17d0 [14760.435813][ T7704] ip6_route_add+0x1c/0x140 [14760.435813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14760.435813][ T7704] addrconf_add_dev+0xe2/0x170 [14760.435813][ T7704] inet6_addr_add+0x12f/0xa40 [14760.435813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14760.435813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14760.435813][ T7704] netlink_rcv_skb+0x130/0x360 [14760.435813][ T7704] netlink_unicast+0x449/0x710 [14760.435813][ T7704] netlink_sendmsg+0x723/0xbe0 [14760.435813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14760.435813][ T7704] ___sys_sendmsg+0xee/0x170 [14760.435813][ T7704] __sys_sendmsg+0xcd/0x170 [14760.435813][ T7704] do_syscall_64+0xc6/0x1e0 [14760.435813][ T7704] [14760.437992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14760.437992][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14760.437992][ T7704] ipv6_find_idev+0x102/0x170 [14760.437992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14760.437992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14760.437992][ T7704] netlink_rcv_skb+0x130/0x360 [14760.437992][ T7704] netlink_unicast+0x449/0x710 [14760.437992][ T7704] netlink_sendmsg+0x723/0xbe0 [14760.437992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14760.437992][ T7704] ___sys_sendmsg+0xee/0x170 [14760.437992][ T7704] __sys_sendmsg+0xcd/0x170 [14760.437992][ T7704] do_syscall_64+0xc6/0x1e0 [14760.437992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14760.437992][ T7704] [14760.439705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14760.439705][ T7704] neigh_parms_alloc+0x1e5/0x510 [14760.439705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14760.439705][ T7704] ipv6_find_idev+0x102/0x170 [14760.439705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14760.439705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14760.439705][ T7704] netlink_rcv_skb+0x130/0x360 [14760.439705][ T7704] netlink_unicast+0x449/0x710 [14760.439705][ T7704] netlink_sendmsg+0x723/0xbe0 [14760.439705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14760.439705][ T7704] ___sys_sendmsg+0xee/0x170 [14760.439705][ T7704] __sys_sendmsg+0xcd/0x170 [14760.439705][ T7704] do_syscall_64+0xc6/0x1e0 [14760.439705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14760.439705][ T7704] [14770.478887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14770.479361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14770.479361][ T7704] netdev_get_by_index+0x5e/0x80 [14770.479361][ T7704] fib6_nh_init+0x3d8/0x15b0 [14770.479361][ T7704] ip6_route_info_create+0xf18/0x17d0 [14770.479361][ T7704] ip6_route_add+0x1c/0x140 [14770.479361][ T7704] addrconf_prefix_route+0x2a6/0x430 [14770.479361][ T7704] inet6_addr_add+0x4f8/0xa40 [14770.479361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14770.479361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14770.479361][ T7704] netlink_rcv_skb+0x130/0x360 [14770.479361][ T7704] netlink_unicast+0x449/0x710 [14770.479361][ T7704] netlink_sendmsg+0x723/0xbe0 [14770.479361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14770.479361][ T7704] ___sys_sendmsg+0xee/0x170 [14770.479361][ T7704] __sys_sendmsg+0xcd/0x170 [14770.479361][ T7704] do_syscall_64+0xc6/0x1e0 [14770.479361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14770.479361][ T7704] [14770.481624][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14770.481624][ T7704] netdev_get_by_index+0x5e/0x80 [14770.481624][ T7704] fib6_nh_init+0x3d8/0x15b0 [14770.481624][ T7704] ip6_route_info_create+0xf18/0x17d0 [14770.481624][ T7704] addrconf_f6i_alloc+0x315/0x560 [14770.481624][ T7704] ipv6_add_addr+0x411/0x2000 [14770.481624][ T7704] inet6_addr_add+0x30e/0xa40 [14770.481624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14770.481624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14770.481624][ T7704] netlink_rcv_skb+0x130/0x360 [14770.481624][ T7704] netlink_unicast+0x449/0x710 [14770.481624][ T7704] netlink_sendmsg+0x723/0xbe0 [14770.481624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14770.481624][ T7704] ___sys_sendmsg+0xee/0x170 [14770.481624][ T7704] __sys_sendmsg+0xcd/0x170 [14770.481624][ T7704] do_syscall_64+0xc6/0x1e0 [14770.481624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14770.481624][ T7704] [14770.483861][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14770.483861][ T7704] netdev_get_by_index+0x5e/0x80 [14770.483861][ T7704] fib6_nh_init+0x3d8/0x15b0 [14770.483861][ T7704] ip6_route_info_create+0xf18/0x17d0 [14770.483861][ T7704] ip6_route_add+0x1c/0x140 [14770.483861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14770.483861][ T7704] addrconf_add_dev+0xe2/0x170 [14770.483861][ T7704] inet6_addr_add+0x12f/0xa40 [14770.483861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14770.483861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14770.483861][ T7704] netlink_rcv_skb+0x130/0x360 [14770.483861][ T7704] netlink_unicast+0x449/0x710 [14770.483861][ T7704] netlink_sendmsg+0x723/0xbe0 [14770.483861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14770.483861][ T7704] ___sys_sendmsg+0xee/0x170 [14770.483861][ T7704] __sys_sendmsg+0xcd/0x170 [14770.483861][ T7704] do_syscall_64+0xc6/0x1e0 [14770.483861][ T7704] [14770.486043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14770.486043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14770.486043][ T7704] ipv6_find_idev+0x102/0x170 [14770.486043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14770.486043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14770.486043][ T7704] netlink_rcv_skb+0x130/0x360 [14770.486043][ T7704] netlink_unicast+0x449/0x710 [14770.486043][ T7704] netlink_sendmsg+0x723/0xbe0 [14770.486043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14770.486043][ T7704] ___sys_sendmsg+0xee/0x170 [14770.486043][ T7704] __sys_sendmsg+0xcd/0x170 [14770.486043][ T7704] do_syscall_64+0xc6/0x1e0 [14770.486043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14770.486043][ T7704] [14770.487745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14770.487745][ T7704] neigh_parms_alloc+0x1e5/0x510 [14770.487745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14770.487745][ T7704] ipv6_find_idev+0x102/0x170 [14770.487745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14770.487745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14770.487745][ T7704] netlink_rcv_skb+0x130/0x360 [14770.487745][ T7704] netlink_unicast+0x449/0x710 [14770.487745][ T7704] netlink_sendmsg+0x723/0xbe0 [14770.487745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14770.487745][ T7704] ___sys_sendmsg+0xee/0x170 [14770.487745][ T7704] __sys_sendmsg+0xcd/0x170 [14770.487745][ T7704] do_syscall_64+0xc6/0x1e0 [14770.487745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14770.487745][ T7704] [14780.727007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14780.727493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14780.727493][ T7704] netdev_get_by_index+0x5e/0x80 [14780.727493][ T7704] fib6_nh_init+0x3d8/0x15b0 [14780.727493][ T7704] ip6_route_info_create+0xf18/0x17d0 [14780.727493][ T7704] ip6_route_add+0x1c/0x140 [14780.727493][ T7704] addrconf_prefix_route+0x2a6/0x430 [14780.727493][ T7704] inet6_addr_add+0x4f8/0xa40 [14780.727493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14780.727493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14780.727493][ T7704] netlink_rcv_skb+0x130/0x360 [14780.727493][ T7704] netlink_unicast+0x449/0x710 [14780.727493][ T7704] netlink_sendmsg+0x723/0xbe0 [14780.727493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14780.727493][ T7704] ___sys_sendmsg+0xee/0x170 [14780.727493][ T7704] __sys_sendmsg+0xcd/0x170 [14780.727493][ T7704] do_syscall_64+0xc6/0x1e0 [14780.727493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14780.727493][ T7704] [14780.729791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14780.729791][ T7704] netdev_get_by_index+0x5e/0x80 [14780.729791][ T7704] fib6_nh_init+0x3d8/0x15b0 [14780.729791][ T7704] ip6_route_info_create+0xf18/0x17d0 [14780.729791][ T7704] addrconf_f6i_alloc+0x315/0x560 [14780.729791][ T7704] ipv6_add_addr+0x411/0x2000 [14780.729791][ T7704] inet6_addr_add+0x30e/0xa40 [14780.729791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14780.729791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14780.729791][ T7704] netlink_rcv_skb+0x130/0x360 [14780.729791][ T7704] netlink_unicast+0x449/0x710 [14780.729791][ T7704] netlink_sendmsg+0x723/0xbe0 [14780.729791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14780.729791][ T7704] ___sys_sendmsg+0xee/0x170 [14780.729791][ T7704] __sys_sendmsg+0xcd/0x170 [14780.729791][ T7704] do_syscall_64+0xc6/0x1e0 [14780.729791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14780.729791][ T7704] [14780.732056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14780.732056][ T7704] netdev_get_by_index+0x5e/0x80 [14780.732056][ T7704] fib6_nh_init+0x3d8/0x15b0 [14780.732056][ T7704] ip6_route_info_create+0xf18/0x17d0 [14780.732056][ T7704] ip6_route_add+0x1c/0x140 [14780.732056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14780.732056][ T7704] addrconf_add_dev+0xe2/0x170 [14780.732056][ T7704] inet6_addr_add+0x12f/0xa40 [14780.732056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14780.732056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14780.732056][ T7704] netlink_rcv_skb+0x130/0x360 [14780.732056][ T7704] netlink_unicast+0x449/0x710 [14780.732056][ T7704] netlink_sendmsg+0x723/0xbe0 [14780.732056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14780.732056][ T7704] ___sys_sendmsg+0xee/0x170 [14780.732056][ T7704] __sys_sendmsg+0xcd/0x170 [14780.732056][ T7704] do_syscall_64+0xc6/0x1e0 [14780.732056][ T7704] [14780.734371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14780.734371][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14780.734371][ T7704] ipv6_find_idev+0x102/0x170 [14780.734371][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14780.734371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14780.734371][ T7704] netlink_rcv_skb+0x130/0x360 [14780.734371][ T7704] netlink_unicast+0x449/0x710 [14780.734371][ T7704] netlink_sendmsg+0x723/0xbe0 [14780.734371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14780.734371][ T7704] ___sys_sendmsg+0xee/0x170 [14780.734371][ T7704] __sys_sendmsg+0xcd/0x170 [14780.734371][ T7704] do_syscall_64+0xc6/0x1e0 [14780.734371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14780.734371][ T7704] [14780.736108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14780.736108][ T7704] neigh_parms_alloc+0x1e5/0x510 [14780.736108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14780.736108][ T7704] ipv6_find_idev+0x102/0x170 [14780.736108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14780.736108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14780.736108][ T7704] netlink_rcv_skb+0x130/0x360 [14780.736108][ T7704] netlink_unicast+0x449/0x710 [14780.736108][ T7704] netlink_sendmsg+0x723/0xbe0 [14780.736108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14780.736108][ T7704] ___sys_sendmsg+0xee/0x170 [14780.736108][ T7704] __sys_sendmsg+0xcd/0x170 [14780.736108][ T7704] do_syscall_64+0xc6/0x1e0 [14780.736108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14780.736108][ T7704] [14790.974980][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14790.975474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14790.975474][ T7704] netdev_get_by_index+0x5e/0x80 [14790.975474][ T7704] fib6_nh_init+0x3d8/0x15b0 [14790.975474][ T7704] ip6_route_info_create+0xf18/0x17d0 [14790.975474][ T7704] ip6_route_add+0x1c/0x140 [14790.975474][ T7704] addrconf_prefix_route+0x2a6/0x430 [14790.975474][ T7704] inet6_addr_add+0x4f8/0xa40 [14790.975474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14790.975474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14790.975474][ T7704] netlink_rcv_skb+0x130/0x360 [14790.975474][ T7704] netlink_unicast+0x449/0x710 [14790.975474][ T7704] netlink_sendmsg+0x723/0xbe0 [14790.975474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14790.975474][ T7704] ___sys_sendmsg+0xee/0x170 [14790.975474][ T7704] __sys_sendmsg+0xcd/0x170 [14790.975474][ T7704] do_syscall_64+0xc6/0x1e0 [14790.975474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14790.975474][ T7704] [14790.977746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14790.977746][ T7704] netdev_get_by_index+0x5e/0x80 [14790.977746][ T7704] fib6_nh_init+0x3d8/0x15b0 [14790.977746][ T7704] ip6_route_info_create+0xf18/0x17d0 [14790.977746][ T7704] addrconf_f6i_alloc+0x315/0x560 [14790.977746][ T7704] ipv6_add_addr+0x411/0x2000 [14790.977746][ T7704] inet6_addr_add+0x30e/0xa40 [14790.977746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14790.977746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14790.977746][ T7704] netlink_rcv_skb+0x130/0x360 [14790.977746][ T7704] netlink_unicast+0x449/0x710 [14790.977746][ T7704] netlink_sendmsg+0x723/0xbe0 [14790.977746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14790.977746][ T7704] ___sys_sendmsg+0xee/0x170 [14790.977746][ T7704] __sys_sendmsg+0xcd/0x170 [14790.977746][ T7704] do_syscall_64+0xc6/0x1e0 [14790.977746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14790.977746][ T7704] [14790.980012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14790.980012][ T7704] netdev_get_by_index+0x5e/0x80 [14790.980012][ T7704] fib6_nh_init+0x3d8/0x15b0 [14790.980012][ T7704] ip6_route_info_create+0xf18/0x17d0 [14790.980012][ T7704] ip6_route_add+0x1c/0x140 [14790.980012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14790.980012][ T7704] addrconf_add_dev+0xe2/0x170 [14790.980012][ T7704] inet6_addr_add+0x12f/0xa40 [14790.980012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14790.980012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14790.980012][ T7704] netlink_rcv_skb+0x130/0x360 [14790.980012][ T7704] netlink_unicast+0x449/0x710 [14790.980012][ T7704] netlink_sendmsg+0x723/0xbe0 [14790.980012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14790.980012][ T7704] ___sys_sendmsg+0xee/0x170 [14790.980012][ T7704] __sys_sendmsg+0xcd/0x170 [14790.980012][ T7704] do_syscall_64+0xc6/0x1e0 [14790.980012][ T7704] [14790.982230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14790.982230][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14790.982230][ T7704] ipv6_find_idev+0x102/0x170 [14790.982230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14790.982230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14790.982230][ T7704] netlink_rcv_skb+0x130/0x360 [14790.982230][ T7704] netlink_unicast+0x449/0x710 [14790.982230][ T7704] netlink_sendmsg+0x723/0xbe0 [14790.982230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14790.982230][ T7704] ___sys_sendmsg+0xee/0x170 [14790.982230][ T7704] __sys_sendmsg+0xcd/0x170 [14790.982230][ T7704] do_syscall_64+0xc6/0x1e0 [14790.982230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14790.982230][ T7704] [14790.983957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14790.983957][ T7704] neigh_parms_alloc+0x1e5/0x510 [14790.983957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14790.983957][ T7704] ipv6_find_idev+0x102/0x170 [14790.983957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14790.983957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14790.983957][ T7704] netlink_rcv_skb+0x130/0x360 [14790.983957][ T7704] netlink_unicast+0x449/0x710 [14790.983957][ T7704] netlink_sendmsg+0x723/0xbe0 [14790.983957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14790.983957][ T7704] ___sys_sendmsg+0xee/0x170 [14790.983957][ T7704] __sys_sendmsg+0xcd/0x170 [14790.983957][ T7704] do_syscall_64+0xc6/0x1e0 [14790.983957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14790.983957][ T7704] [14801.222947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14801.223437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14801.223437][ T7704] netdev_get_by_index+0x5e/0x80 [14801.223437][ T7704] fib6_nh_init+0x3d8/0x15b0 [14801.223437][ T7704] ip6_route_info_create+0xf18/0x17d0 [14801.223437][ T7704] ip6_route_add+0x1c/0x140 [14801.223437][ T7704] addrconf_prefix_route+0x2a6/0x430 [14801.223437][ T7704] inet6_addr_add+0x4f8/0xa40 [14801.223437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14801.223437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14801.223437][ T7704] netlink_rcv_skb+0x130/0x360 [14801.223437][ T7704] netlink_unicast+0x449/0x710 [14801.223437][ T7704] netlink_sendmsg+0x723/0xbe0 [14801.223437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14801.223437][ T7704] ___sys_sendmsg+0xee/0x170 [14801.223437][ T7704] __sys_sendmsg+0xcd/0x170 [14801.223437][ T7704] do_syscall_64+0xc6/0x1e0 [14801.223437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14801.223437][ T7704] [14801.225749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14801.225749][ T7704] netdev_get_by_index+0x5e/0x80 [14801.225749][ T7704] fib6_nh_init+0x3d8/0x15b0 [14801.225749][ T7704] ip6_route_info_create+0xf18/0x17d0 [14801.225749][ T7704] addrconf_f6i_alloc+0x315/0x560 [14801.225749][ T7704] ipv6_add_addr+0x411/0x2000 [14801.225749][ T7704] inet6_addr_add+0x30e/0xa40 [14801.225749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14801.225749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14801.225749][ T7704] netlink_rcv_skb+0x130/0x360 [14801.225749][ T7704] netlink_unicast+0x449/0x710 [14801.225749][ T7704] netlink_sendmsg+0x723/0xbe0 [14801.225749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14801.225749][ T7704] ___sys_sendmsg+0xee/0x170 [14801.225749][ T7704] __sys_sendmsg+0xcd/0x170 [14801.225749][ T7704] do_syscall_64+0xc6/0x1e0 [14801.225749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14801.225749][ T7704] [14801.228002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14801.228002][ T7704] netdev_get_by_index+0x5e/0x80 [14801.228002][ T7704] fib6_nh_init+0x3d8/0x15b0 [14801.228002][ T7704] ip6_route_info_create+0xf18/0x17d0 [14801.228002][ T7704] ip6_route_add+0x1c/0x140 [14801.228002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14801.228002][ T7704] addrconf_add_dev+0xe2/0x170 [14801.228002][ T7704] inet6_addr_add+0x12f/0xa40 [14801.228002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14801.228002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14801.228002][ T7704] netlink_rcv_skb+0x130/0x360 [14801.228002][ T7704] netlink_unicast+0x449/0x710 [14801.228002][ T7704] netlink_sendmsg+0x723/0xbe0 [14801.228002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14801.228002][ T7704] ___sys_sendmsg+0xee/0x170 [14801.228002][ T7704] __sys_sendmsg+0xcd/0x170 [14801.228002][ T7704] do_syscall_64+0xc6/0x1e0 [14801.228002][ T7704] [14801.230214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14801.230214][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14801.230214][ T7704] ipv6_find_idev+0x102/0x170 [14801.230214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14801.230214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14801.230214][ T7704] netlink_rcv_skb+0x130/0x360 [14801.230214][ T7704] netlink_unicast+0x449/0x710 [14801.230214][ T7704] netlink_sendmsg+0x723/0xbe0 [14801.230214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14801.230214][ T7704] ___sys_sendmsg+0xee/0x170 [14801.230214][ T7704] __sys_sendmsg+0xcd/0x170 [14801.230214][ T7704] do_syscall_64+0xc6/0x1e0 [14801.230214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14801.230214][ T7704] [14801.231951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14801.231951][ T7704] neigh_parms_alloc+0x1e5/0x510 [14801.231951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14801.231951][ T7704] ipv6_find_idev+0x102/0x170 [14801.231951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14801.231951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14801.231951][ T7704] netlink_rcv_skb+0x130/0x360 [14801.231951][ T7704] netlink_unicast+0x449/0x710 [14801.231951][ T7704] netlink_sendmsg+0x723/0xbe0 [14801.231951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14801.231951][ T7704] ___sys_sendmsg+0xee/0x170 [14801.231951][ T7704] __sys_sendmsg+0xcd/0x170 [14801.231951][ T7704] do_syscall_64+0xc6/0x1e0 [14801.231951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14801.231951][ T7704] [14811.454935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14811.455446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14811.455446][ T7704] netdev_get_by_index+0x5e/0x80 [14811.455446][ T7704] fib6_nh_init+0x3d8/0x15b0 [14811.455446][ T7704] ip6_route_info_create+0xf18/0x17d0 [14811.455446][ T7704] ip6_route_add+0x1c/0x140 [14811.455446][ T7704] addrconf_prefix_route+0x2a6/0x430 [14811.455446][ T7704] inet6_addr_add+0x4f8/0xa40 [14811.455446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14811.455446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14811.455446][ T7704] netlink_rcv_skb+0x130/0x360 [14811.455446][ T7704] netlink_unicast+0x449/0x710 [14811.455446][ T7704] netlink_sendmsg+0x723/0xbe0 [14811.455446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14811.455446][ T7704] ___sys_sendmsg+0xee/0x170 [14811.455446][ T7704] __sys_sendmsg+0xcd/0x170 [14811.455446][ T7704] do_syscall_64+0xc6/0x1e0 [14811.455446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14811.455446][ T7704] [14811.457731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14811.457731][ T7704] netdev_get_by_index+0x5e/0x80 [14811.457731][ T7704] fib6_nh_init+0x3d8/0x15b0 [14811.457731][ T7704] ip6_route_info_create+0xf18/0x17d0 [14811.457731][ T7704] addrconf_f6i_alloc+0x315/0x560 [14811.457731][ T7704] ipv6_add_addr+0x411/0x2000 [14811.457731][ T7704] inet6_addr_add+0x30e/0xa40 [14811.457731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14811.457731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14811.457731][ T7704] netlink_rcv_skb+0x130/0x360 [14811.457731][ T7704] netlink_unicast+0x449/0x710 [14811.457731][ T7704] netlink_sendmsg+0x723/0xbe0 [14811.457731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14811.457731][ T7704] ___sys_sendmsg+0xee/0x170 [14811.457731][ T7704] __sys_sendmsg+0xcd/0x170 [14811.457731][ T7704] do_syscall_64+0xc6/0x1e0 [14811.457731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14811.457731][ T7704] [14811.459987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14811.459987][ T7704] netdev_get_by_index+0x5e/0x80 [14811.459987][ T7704] fib6_nh_init+0x3d8/0x15b0 [14811.459987][ T7704] ip6_route_info_create+0xf18/0x17d0 [14811.459987][ T7704] ip6_route_add+0x1c/0x140 [14811.459987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14811.459987][ T7704] addrconf_add_dev+0xe2/0x170 [14811.459987][ T7704] inet6_addr_add+0x12f/0xa40 [14811.459987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14811.459987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14811.459987][ T7704] netlink_rcv_skb+0x130/0x360 [14811.459987][ T7704] netlink_unicast+0x449/0x710 [14811.459987][ T7704] netlink_sendmsg+0x723/0xbe0 [14811.459987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14811.459987][ T7704] ___sys_sendmsg+0xee/0x170 [14811.459987][ T7704] __sys_sendmsg+0xcd/0x170 [14811.459987][ T7704] do_syscall_64+0xc6/0x1e0 [14811.459987][ T7704] [14811.462209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14811.462209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14811.462209][ T7704] ipv6_find_idev+0x102/0x170 [14811.462209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14811.462209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14811.462209][ T7704] netlink_rcv_skb+0x130/0x360 [14811.462209][ T7704] netlink_unicast+0x449/0x710 [14811.462209][ T7704] netlink_sendmsg+0x723/0xbe0 [14811.462209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14811.462209][ T7704] ___sys_sendmsg+0xee/0x170 [14811.462209][ T7704] __sys_sendmsg+0xcd/0x170 [14811.462209][ T7704] do_syscall_64+0xc6/0x1e0 [14811.462209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14811.462209][ T7704] [14811.463934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14811.463934][ T7704] neigh_parms_alloc+0x1e5/0x510 [14811.463934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14811.463934][ T7704] ipv6_find_idev+0x102/0x170 [14811.463934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14811.463934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14811.463934][ T7704] netlink_rcv_skb+0x130/0x360 [14811.463934][ T7704] netlink_unicast+0x449/0x710 [14811.463934][ T7704] netlink_sendmsg+0x723/0xbe0 [14811.463934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14811.463934][ T7704] ___sys_sendmsg+0xee/0x170 [14811.463934][ T7704] __sys_sendmsg+0xcd/0x170 [14811.463934][ T7704] do_syscall_64+0xc6/0x1e0 [14811.463934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14811.463934][ T7704] [14821.702949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14821.703445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14821.703445][ T7704] netdev_get_by_index+0x5e/0x80 [14821.703445][ T7704] fib6_nh_init+0x3d8/0x15b0 [14821.703445][ T7704] ip6_route_info_create+0xf18/0x17d0 [14821.703445][ T7704] ip6_route_add+0x1c/0x140 [14821.703445][ T7704] addrconf_prefix_route+0x2a6/0x430 [14821.703445][ T7704] inet6_addr_add+0x4f8/0xa40 [14821.703445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14821.703445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14821.703445][ T7704] netlink_rcv_skb+0x130/0x360 [14821.703445][ T7704] netlink_unicast+0x449/0x710 [14821.703445][ T7704] netlink_sendmsg+0x723/0xbe0 [14821.703445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14821.703445][ T7704] ___sys_sendmsg+0xee/0x170 [14821.703445][ T7704] __sys_sendmsg+0xcd/0x170 [14821.703445][ T7704] do_syscall_64+0xc6/0x1e0 [14821.703445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14821.703445][ T7704] [14821.705712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14821.705712][ T7704] netdev_get_by_index+0x5e/0x80 [14821.705712][ T7704] fib6_nh_init+0x3d8/0x15b0 [14821.705712][ T7704] ip6_route_info_create+0xf18/0x17d0 [14821.705712][ T7704] addrconf_f6i_alloc+0x315/0x560 [14821.705712][ T7704] ipv6_add_addr+0x411/0x2000 [14821.705712][ T7704] inet6_addr_add+0x30e/0xa40 [14821.705712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14821.705712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14821.705712][ T7704] netlink_rcv_skb+0x130/0x360 [14821.705712][ T7704] netlink_unicast+0x449/0x710 [14821.705712][ T7704] netlink_sendmsg+0x723/0xbe0 [14821.705712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14821.705712][ T7704] ___sys_sendmsg+0xee/0x170 [14821.705712][ T7704] __sys_sendmsg+0xcd/0x170 [14821.705712][ T7704] do_syscall_64+0xc6/0x1e0 [14821.705712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14821.705712][ T7704] [14821.707970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14821.707970][ T7704] netdev_get_by_index+0x5e/0x80 [14821.707970][ T7704] fib6_nh_init+0x3d8/0x15b0 [14821.707970][ T7704] ip6_route_info_create+0xf18/0x17d0 [14821.707970][ T7704] ip6_route_add+0x1c/0x140 [14821.707970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14821.707970][ T7704] addrconf_add_dev+0xe2/0x170 [14821.707970][ T7704] inet6_addr_add+0x12f/0xa40 [14821.707970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14821.707970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14821.707970][ T7704] netlink_rcv_skb+0x130/0x360 [14821.707970][ T7704] netlink_unicast+0x449/0x710 [14821.707970][ T7704] netlink_sendmsg+0x723/0xbe0 [14821.707970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14821.707970][ T7704] ___sys_sendmsg+0xee/0x170 [14821.707970][ T7704] __sys_sendmsg+0xcd/0x170 [14821.707970][ T7704] do_syscall_64+0xc6/0x1e0 [14821.707970][ T7704] [14821.710704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14821.710704][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14821.710704][ T7704] ipv6_find_idev+0x102/0x170 [14821.710704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14821.710704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14821.710704][ T7704] netlink_rcv_skb+0x130/0x360 [14821.710704][ T7704] netlink_unicast+0x449/0x710 [14821.710704][ T7704] netlink_sendmsg+0x723/0xbe0 [14821.710704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14821.710704][ T7704] ___sys_sendmsg+0xee/0x170 [14821.710704][ T7704] __sys_sendmsg+0xcd/0x170 [14821.710704][ T7704] do_syscall_64+0xc6/0x1e0 [14821.710704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14821.710704][ T7704] [14821.712434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14821.712434][ T7704] neigh_parms_alloc+0x1e5/0x510 [14821.712434][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14821.712434][ T7704] ipv6_find_idev+0x102/0x170 [14821.712434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14821.712434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14821.712434][ T7704] netlink_rcv_skb+0x130/0x360 [14821.712434][ T7704] netlink_unicast+0x449/0x710 [14821.712434][ T7704] netlink_sendmsg+0x723/0xbe0 [14821.712434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14821.712434][ T7704] ___sys_sendmsg+0xee/0x170 [14821.712434][ T7704] __sys_sendmsg+0xcd/0x170 [14821.712434][ T7704] do_syscall_64+0xc6/0x1e0 [14821.712434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14821.712434][ T7704] [14831.950897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14831.951412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14831.951412][ T7704] netdev_get_by_index+0x5e/0x80 [14831.951412][ T7704] fib6_nh_init+0x3d8/0x15b0 [14831.951412][ T7704] ip6_route_info_create+0xf18/0x17d0 [14831.951412][ T7704] ip6_route_add+0x1c/0x140 [14831.951412][ T7704] addrconf_prefix_route+0x2a6/0x430 [14831.951412][ T7704] inet6_addr_add+0x4f8/0xa40 [14831.951412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14831.951412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14831.951412][ T7704] netlink_rcv_skb+0x130/0x360 [14831.951412][ T7704] netlink_unicast+0x449/0x710 [14831.951412][ T7704] netlink_sendmsg+0x723/0xbe0 [14831.951412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14831.951412][ T7704] ___sys_sendmsg+0xee/0x170 [14831.951412][ T7704] __sys_sendmsg+0xcd/0x170 [14831.951412][ T7704] do_syscall_64+0xc6/0x1e0 [14831.951412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14831.951412][ T7704] [14831.953782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14831.953782][ T7704] netdev_get_by_index+0x5e/0x80 [14831.953782][ T7704] fib6_nh_init+0x3d8/0x15b0 [14831.953782][ T7704] ip6_route_info_create+0xf18/0x17d0 [14831.953782][ T7704] addrconf_f6i_alloc+0x315/0x560 [14831.953782][ T7704] ipv6_add_addr+0x411/0x2000 [14831.953782][ T7704] inet6_addr_add+0x30e/0xa40 [14831.953782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14831.953782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14831.953782][ T7704] netlink_rcv_skb+0x130/0x360 [14831.953782][ T7704] netlink_unicast+0x449/0x710 [14831.953782][ T7704] netlink_sendmsg+0x723/0xbe0 [14831.953782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14831.953782][ T7704] ___sys_sendmsg+0xee/0x170 [14831.953782][ T7704] __sys_sendmsg+0xcd/0x170 [14831.953782][ T7704] do_syscall_64+0xc6/0x1e0 [14831.953782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14831.953782][ T7704] [14831.956128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14831.956128][ T7704] netdev_get_by_index+0x5e/0x80 [14831.956128][ T7704] fib6_nh_init+0x3d8/0x15b0 [14831.956128][ T7704] ip6_route_info_create+0xf18/0x17d0 [14831.956128][ T7704] ip6_route_add+0x1c/0x140 [14831.956128][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14831.956128][ T7704] addrconf_add_dev+0xe2/0x170 [14831.956128][ T7704] inet6_addr_add+0x12f/0xa40 [14831.956128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14831.956128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14831.956128][ T7704] netlink_rcv_skb+0x130/0x360 [14831.956128][ T7704] netlink_unicast+0x449/0x710 [14831.956128][ T7704] netlink_sendmsg+0x723/0xbe0 [14831.956128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14831.956128][ T7704] ___sys_sendmsg+0xee/0x170 [14831.956128][ T7704] __sys_sendmsg+0xcd/0x170 [14831.956128][ T7704] do_syscall_64+0xc6/0x1e0 [14831.956128][ T7704] [14831.958434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14831.958434][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14831.958434][ T7704] ipv6_find_idev+0x102/0x170 [14831.958434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14831.958434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14831.958434][ T7704] netlink_rcv_skb+0x130/0x360 [14831.958434][ T7704] netlink_unicast+0x449/0x710 [14831.958434][ T7704] netlink_sendmsg+0x723/0xbe0 [14831.958434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14831.958434][ T7704] ___sys_sendmsg+0xee/0x170 [14831.958434][ T7704] __sys_sendmsg+0xcd/0x170 [14831.958434][ T7704] do_syscall_64+0xc6/0x1e0 [14831.958434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14831.958434][ T7704] [14831.960236][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14831.960236][ T7704] neigh_parms_alloc+0x1e5/0x510 [14831.960236][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14831.960236][ T7704] ipv6_find_idev+0x102/0x170 [14831.960236][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14831.960236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14831.960236][ T7704] netlink_rcv_skb+0x130/0x360 [14831.960236][ T7704] netlink_unicast+0x449/0x710 [14831.960236][ T7704] netlink_sendmsg+0x723/0xbe0 [14831.960236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14831.960236][ T7704] ___sys_sendmsg+0xee/0x170 [14831.960236][ T7704] __sys_sendmsg+0xcd/0x170 [14831.960236][ T7704] do_syscall_64+0xc6/0x1e0 [14831.960236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14831.960236][ T7704] [14842.174938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14842.175449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14842.175449][ T7704] netdev_get_by_index+0x5e/0x80 [14842.175449][ T7704] fib6_nh_init+0x3d8/0x15b0 [14842.175449][ T7704] ip6_route_info_create+0xf18/0x17d0 [14842.175449][ T7704] ip6_route_add+0x1c/0x140 [14842.175449][ T7704] addrconf_prefix_route+0x2a6/0x430 [14842.175449][ T7704] inet6_addr_add+0x4f8/0xa40 [14842.175449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14842.175449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14842.175449][ T7704] netlink_rcv_skb+0x130/0x360 [14842.175449][ T7704] netlink_unicast+0x449/0x710 [14842.175449][ T7704] netlink_sendmsg+0x723/0xbe0 [14842.175449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14842.175449][ T7704] ___sys_sendmsg+0xee/0x170 [14842.175449][ T7704] __sys_sendmsg+0xcd/0x170 [14842.175449][ T7704] do_syscall_64+0xc6/0x1e0 [14842.175449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14842.175449][ T7704] [14842.177827][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14842.177827][ T7704] netdev_get_by_index+0x5e/0x80 [14842.177827][ T7704] fib6_nh_init+0x3d8/0x15b0 [14842.177827][ T7704] ip6_route_info_create+0xf18/0x17d0 [14842.177827][ T7704] addrconf_f6i_alloc+0x315/0x560 [14842.177827][ T7704] ipv6_add_addr+0x411/0x2000 [14842.177827][ T7704] inet6_addr_add+0x30e/0xa40 [14842.177827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14842.177827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14842.177827][ T7704] netlink_rcv_skb+0x130/0x360 [14842.177827][ T7704] netlink_unicast+0x449/0x710 [14842.177827][ T7704] netlink_sendmsg+0x723/0xbe0 [14842.177827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14842.177827][ T7704] ___sys_sendmsg+0xee/0x170 [14842.177827][ T7704] __sys_sendmsg+0xcd/0x170 [14842.177827][ T7704] do_syscall_64+0xc6/0x1e0 [14842.177827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14842.177827][ T7704] [14842.180177][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14842.180177][ T7704] netdev_get_by_index+0x5e/0x80 [14842.180177][ T7704] fib6_nh_init+0x3d8/0x15b0 [14842.180177][ T7704] ip6_route_info_create+0xf18/0x17d0 [14842.180177][ T7704] ip6_route_add+0x1c/0x140 [14842.180177][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14842.180177][ T7704] addrconf_add_dev+0xe2/0x170 [14842.180177][ T7704] inet6_addr_add+0x12f/0xa40 [14842.180177][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14842.180177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14842.180177][ T7704] netlink_rcv_skb+0x130/0x360 [14842.180177][ T7704] netlink_unicast+0x449/0x710 [14842.180177][ T7704] netlink_sendmsg+0x723/0xbe0 [14842.180177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14842.180177][ T7704] ___sys_sendmsg+0xee/0x170 [14842.180177][ T7704] __sys_sendmsg+0xcd/0x170 [14842.180177][ T7704] do_syscall_64+0xc6/0x1e0 [14842.180177][ T7704] [14842.182507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14842.182507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14842.182507][ T7704] ipv6_find_idev+0x102/0x170 [14842.182507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14842.182507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14842.182507][ T7704] netlink_rcv_skb+0x130/0x360 [14842.182507][ T7704] netlink_unicast+0x449/0x710 [14842.182507][ T7704] netlink_sendmsg+0x723/0xbe0 [14842.182507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14842.182507][ T7704] ___sys_sendmsg+0xee/0x170 [14842.182507][ T7704] __sys_sendmsg+0xcd/0x170 [14842.182507][ T7704] do_syscall_64+0xc6/0x1e0 [14842.182507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14842.182507][ T7704] [14842.184312][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14842.184312][ T7704] neigh_parms_alloc+0x1e5/0x510 [14842.184312][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14842.184312][ T7704] ipv6_find_idev+0x102/0x170 [14842.184312][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14842.184312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14842.184312][ T7704] netlink_rcv_skb+0x130/0x360 [14842.184312][ T7704] netlink_unicast+0x449/0x710 [14842.184312][ T7704] netlink_sendmsg+0x723/0xbe0 [14842.184312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14842.184312][ T7704] ___sys_sendmsg+0xee/0x170 [14842.184312][ T7704] __sys_sendmsg+0xcd/0x170 [14842.184312][ T7704] do_syscall_64+0xc6/0x1e0 [14842.184312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14842.184312][ T7704] [14852.422907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14852.423410][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14852.423410][ T7704] netdev_get_by_index+0x5e/0x80 [14852.423410][ T7704] fib6_nh_init+0x3d8/0x15b0 [14852.423410][ T7704] ip6_route_info_create+0xf18/0x17d0 [14852.423410][ T7704] ip6_route_add+0x1c/0x140 [14852.423410][ T7704] addrconf_prefix_route+0x2a6/0x430 [14852.423410][ T7704] inet6_addr_add+0x4f8/0xa40 [14852.423410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14852.423410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14852.423410][ T7704] netlink_rcv_skb+0x130/0x360 [14852.423410][ T7704] netlink_unicast+0x449/0x710 [14852.423410][ T7704] netlink_sendmsg+0x723/0xbe0 [14852.423410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14852.423410][ T7704] ___sys_sendmsg+0xee/0x170 [14852.423410][ T7704] __sys_sendmsg+0xcd/0x170 [14852.423410][ T7704] do_syscall_64+0xc6/0x1e0 [14852.423410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14852.423410][ T7704] [14852.425809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14852.425809][ T7704] netdev_get_by_index+0x5e/0x80 [14852.425809][ T7704] fib6_nh_init+0x3d8/0x15b0 [14852.425809][ T7704] ip6_route_info_create+0xf18/0x17d0 [14852.425809][ T7704] addrconf_f6i_alloc+0x315/0x560 [14852.425809][ T7704] ipv6_add_addr+0x411/0x2000 [14852.425809][ T7704] inet6_addr_add+0x30e/0xa40 [14852.425809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14852.425809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14852.425809][ T7704] netlink_rcv_skb+0x130/0x360 [14852.425809][ T7704] netlink_unicast+0x449/0x710 [14852.425809][ T7704] netlink_sendmsg+0x723/0xbe0 [14852.425809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14852.425809][ T7704] ___sys_sendmsg+0xee/0x170 [14852.425809][ T7704] __sys_sendmsg+0xcd/0x170 [14852.425809][ T7704] do_syscall_64+0xc6/0x1e0 [14852.425809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14852.425809][ T7704] [14852.428144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14852.428144][ T7704] netdev_get_by_index+0x5e/0x80 [14852.428144][ T7704] fib6_nh_init+0x3d8/0x15b0 [14852.428144][ T7704] ip6_route_info_create+0xf18/0x17d0 [14852.428144][ T7704] ip6_route_add+0x1c/0x140 [14852.428144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14852.428144][ T7704] addrconf_add_dev+0xe2/0x170 [14852.428144][ T7704] inet6_addr_add+0x12f/0xa40 [14852.428144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14852.428144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14852.428144][ T7704] netlink_rcv_skb+0x130/0x360 [14852.428144][ T7704] netlink_unicast+0x449/0x710 [14852.428144][ T7704] netlink_sendmsg+0x723/0xbe0 [14852.428144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14852.428144][ T7704] ___sys_sendmsg+0xee/0x170 [14852.428144][ T7704] __sys_sendmsg+0xcd/0x170 [14852.428144][ T7704] do_syscall_64+0xc6/0x1e0 [14852.428144][ T7704] [14852.430440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14852.430440][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14852.430440][ T7704] ipv6_find_idev+0x102/0x170 [14852.430440][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14852.430440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14852.430440][ T7704] netlink_rcv_skb+0x130/0x360 [14852.430440][ T7704] netlink_unicast+0x449/0x710 [14852.430440][ T7704] netlink_sendmsg+0x723/0xbe0 [14852.430440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14852.430440][ T7704] ___sys_sendmsg+0xee/0x170 [14852.430440][ T7704] __sys_sendmsg+0xcd/0x170 [14852.430440][ T7704] do_syscall_64+0xc6/0x1e0 [14852.430440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14852.430440][ T7704] [14852.432244][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14852.432244][ T7704] neigh_parms_alloc+0x1e5/0x510 [14852.432244][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14852.432244][ T7704] ipv6_find_idev+0x102/0x170 [14852.432244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14852.432244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14852.432244][ T7704] netlink_rcv_skb+0x130/0x360 [14852.432244][ T7704] netlink_unicast+0x449/0x710 [14852.432244][ T7704] netlink_sendmsg+0x723/0xbe0 [14852.432244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14852.432244][ T7704] ___sys_sendmsg+0xee/0x170 [14852.432244][ T7704] __sys_sendmsg+0xcd/0x170 [14852.432244][ T7704] do_syscall_64+0xc6/0x1e0 [14852.432244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14852.432244][ T7704] [14862.671027][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14862.671530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14862.671530][ T7704] netdev_get_by_index+0x5e/0x80 [14862.671530][ T7704] fib6_nh_init+0x3d8/0x15b0 [14862.671530][ T7704] ip6_route_info_create+0xf18/0x17d0 [14862.671530][ T7704] ip6_route_add+0x1c/0x140 [14862.671530][ T7704] addrconf_prefix_route+0x2a6/0x430 [14862.671530][ T7704] inet6_addr_add+0x4f8/0xa40 [14862.671530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14862.671530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14862.671530][ T7704] netlink_rcv_skb+0x130/0x360 [14862.671530][ T7704] netlink_unicast+0x449/0x710 [14862.671530][ T7704] netlink_sendmsg+0x723/0xbe0 [14862.671530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14862.671530][ T7704] ___sys_sendmsg+0xee/0x170 [14862.671530][ T7704] __sys_sendmsg+0xcd/0x170 [14862.671530][ T7704] do_syscall_64+0xc6/0x1e0 [14862.671530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14862.671530][ T7704] [14862.673879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14862.673879][ T7704] netdev_get_by_index+0x5e/0x80 [14862.673879][ T7704] fib6_nh_init+0x3d8/0x15b0 [14862.673879][ T7704] ip6_route_info_create+0xf18/0x17d0 [14862.673879][ T7704] addrconf_f6i_alloc+0x315/0x560 [14862.673879][ T7704] ipv6_add_addr+0x411/0x2000 [14862.673879][ T7704] inet6_addr_add+0x30e/0xa40 [14862.673879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14862.673879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14862.673879][ T7704] netlink_rcv_skb+0x130/0x360 [14862.673879][ T7704] netlink_unicast+0x449/0x710 [14862.673879][ T7704] netlink_sendmsg+0x723/0xbe0 [14862.673879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14862.673879][ T7704] ___sys_sendmsg+0xee/0x170 [14862.673879][ T7704] __sys_sendmsg+0xcd/0x170 [14862.673879][ T7704] do_syscall_64+0xc6/0x1e0 [14862.673879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14862.673879][ T7704] [14862.676223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14862.676223][ T7704] netdev_get_by_index+0x5e/0x80 [14862.676223][ T7704] fib6_nh_init+0x3d8/0x15b0 [14862.676223][ T7704] ip6_route_info_create+0xf18/0x17d0 [14862.676223][ T7704] ip6_route_add+0x1c/0x140 [14862.676223][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14862.676223][ T7704] addrconf_add_dev+0xe2/0x170 [14862.676223][ T7704] inet6_addr_add+0x12f/0xa40 [14862.676223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14862.676223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14862.676223][ T7704] netlink_rcv_skb+0x130/0x360 [14862.676223][ T7704] netlink_unicast+0x449/0x710 [14862.676223][ T7704] netlink_sendmsg+0x723/0xbe0 [14862.676223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14862.676223][ T7704] ___sys_sendmsg+0xee/0x170 [14862.676223][ T7704] __sys_sendmsg+0xcd/0x170 [14862.676223][ T7704] do_syscall_64+0xc6/0x1e0 [14862.676223][ T7704] [14862.678511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14862.678511][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14862.678511][ T7704] ipv6_find_idev+0x102/0x170 [14862.678511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14862.678511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14862.678511][ T7704] netlink_rcv_skb+0x130/0x360 [14862.678511][ T7704] netlink_unicast+0x449/0x710 [14862.678511][ T7704] netlink_sendmsg+0x723/0xbe0 [14862.678511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14862.678511][ T7704] ___sys_sendmsg+0xee/0x170 [14862.678511][ T7704] __sys_sendmsg+0xcd/0x170 [14862.678511][ T7704] do_syscall_64+0xc6/0x1e0 [14862.678511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14862.678511][ T7704] [14862.680296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14862.680296][ T7704] neigh_parms_alloc+0x1e5/0x510 [14862.680296][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14862.680296][ T7704] ipv6_find_idev+0x102/0x170 [14862.680296][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14862.680296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14862.680296][ T7704] netlink_rcv_skb+0x130/0x360 [14862.680296][ T7704] netlink_unicast+0x449/0x710 [14862.680296][ T7704] netlink_sendmsg+0x723/0xbe0 [14862.680296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14862.680296][ T7704] ___sys_sendmsg+0xee/0x170 [14862.680296][ T7704] __sys_sendmsg+0xcd/0x170 [14862.680296][ T7704] do_syscall_64+0xc6/0x1e0 [14862.680296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14862.680296][ T7704] [14872.703010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14872.703617][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14872.703617][ T7704] netdev_get_by_index+0x5e/0x80 [14872.703617][ T7704] fib6_nh_init+0x3d8/0x15b0 [14872.703617][ T7704] ip6_route_info_create+0xf18/0x17d0 [14872.703617][ T7704] ip6_route_add+0x1c/0x140 [14872.703617][ T7704] addrconf_prefix_route+0x2a6/0x430 [14872.703617][ T7704] inet6_addr_add+0x4f8/0xa40 [14872.703617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14872.703617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14872.703617][ T7704] netlink_rcv_skb+0x130/0x360 [14872.703617][ T7704] netlink_unicast+0x449/0x710 [14872.703617][ T7704] netlink_sendmsg+0x723/0xbe0 [14872.703617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14872.703617][ T7704] ___sys_sendmsg+0xee/0x170 [14872.703617][ T7704] __sys_sendmsg+0xcd/0x170 [14872.703617][ T7704] do_syscall_64+0xc6/0x1e0 [14872.703617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14872.703617][ T7704] [14872.705951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14872.705951][ T7704] netdev_get_by_index+0x5e/0x80 [14872.705951][ T7704] fib6_nh_init+0x3d8/0x15b0 [14872.705951][ T7704] ip6_route_info_create+0xf18/0x17d0 [14872.705951][ T7704] addrconf_f6i_alloc+0x315/0x560 [14872.705951][ T7704] ipv6_add_addr+0x411/0x2000 [14872.705951][ T7704] inet6_addr_add+0x30e/0xa40 [14872.705951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14872.705951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14872.705951][ T7704] netlink_rcv_skb+0x130/0x360 [14872.705951][ T7704] netlink_unicast+0x449/0x710 [14872.705951][ T7704] netlink_sendmsg+0x723/0xbe0 [14872.705951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14872.705951][ T7704] ___sys_sendmsg+0xee/0x170 [14872.705951][ T7704] __sys_sendmsg+0xcd/0x170 [14872.705951][ T7704] do_syscall_64+0xc6/0x1e0 [14872.705951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14872.705951][ T7704] [14872.708279][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14872.708279][ T7704] netdev_get_by_index+0x5e/0x80 [14872.708279][ T7704] fib6_nh_init+0x3d8/0x15b0 [14872.708279][ T7704] ip6_route_info_create+0xf18/0x17d0 [14872.708279][ T7704] ip6_route_add+0x1c/0x140 [14872.708279][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14872.708279][ T7704] addrconf_add_dev+0xe2/0x170 [14872.708279][ T7704] inet6_addr_add+0x12f/0xa40 [14872.708279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14872.708279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14872.708279][ T7704] netlink_rcv_skb+0x130/0x360 [14872.708279][ T7704] netlink_unicast+0x449/0x710 [14872.708279][ T7704] netlink_sendmsg+0x723/0xbe0 [14872.708279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14872.708279][ T7704] ___sys_sendmsg+0xee/0x170 [14872.708279][ T7704] __sys_sendmsg+0xcd/0x170 [14872.708279][ T7704] do_syscall_64+0xc6/0x1e0 [14872.708279][ T7704] [14872.710586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14872.710586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14872.710586][ T7704] ipv6_find_idev+0x102/0x170 [14872.710586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14872.710586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14872.710586][ T7704] netlink_rcv_skb+0x130/0x360 [14872.710586][ T7704] netlink_unicast+0x449/0x710 [14872.710586][ T7704] netlink_sendmsg+0x723/0xbe0 [14872.710586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14872.710586][ T7704] ___sys_sendmsg+0xee/0x170 [14872.710586][ T7704] __sys_sendmsg+0xcd/0x170 [14872.710586][ T7704] do_syscall_64+0xc6/0x1e0 [14872.710586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14872.710586][ T7704] [14872.712386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14872.712386][ T7704] neigh_parms_alloc+0x1e5/0x510 [14872.712386][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14872.712386][ T7704] ipv6_find_idev+0x102/0x170 [14872.712386][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14872.712386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14872.712386][ T7704] netlink_rcv_skb+0x130/0x360 [14872.712386][ T7704] netlink_unicast+0x449/0x710 [14872.712386][ T7704] netlink_sendmsg+0x723/0xbe0 [14872.712386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14872.712386][ T7704] ___sys_sendmsg+0xee/0x170 [14872.712386][ T7704] __sys_sendmsg+0xcd/0x170 [14872.712386][ T7704] do_syscall_64+0xc6/0x1e0 [14872.712386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14872.712386][ T7704] [14882.950872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14882.951388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14882.951388][ T7704] netdev_get_by_index+0x5e/0x80 [14882.951388][ T7704] fib6_nh_init+0x3d8/0x15b0 [14882.951388][ T7704] ip6_route_info_create+0xf18/0x17d0 [14882.951388][ T7704] ip6_route_add+0x1c/0x140 [14882.951388][ T7704] addrconf_prefix_route+0x2a6/0x430 [14882.951388][ T7704] inet6_addr_add+0x4f8/0xa40 [14882.951388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14882.951388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14882.951388][ T7704] netlink_rcv_skb+0x130/0x360 [14882.951388][ T7704] netlink_unicast+0x449/0x710 [14882.951388][ T7704] netlink_sendmsg+0x723/0xbe0 [14882.951388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14882.951388][ T7704] ___sys_sendmsg+0xee/0x170 [14882.951388][ T7704] __sys_sendmsg+0xcd/0x170 [14882.951388][ T7704] do_syscall_64+0xc6/0x1e0 [14882.951388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14882.951388][ T7704] [14882.953752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14882.953752][ T7704] netdev_get_by_index+0x5e/0x80 [14882.953752][ T7704] fib6_nh_init+0x3d8/0x15b0 [14882.953752][ T7704] ip6_route_info_create+0xf18/0x17d0 [14882.953752][ T7704] addrconf_f6i_alloc+0x315/0x560 [14882.953752][ T7704] ipv6_add_addr+0x411/0x2000 [14882.953752][ T7704] inet6_addr_add+0x30e/0xa40 [14882.953752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14882.953752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14882.953752][ T7704] netlink_rcv_skb+0x130/0x360 [14882.953752][ T7704] netlink_unicast+0x449/0x710 [14882.953752][ T7704] netlink_sendmsg+0x723/0xbe0 [14882.953752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14882.953752][ T7704] ___sys_sendmsg+0xee/0x170 [14882.953752][ T7704] __sys_sendmsg+0xcd/0x170 [14882.953752][ T7704] do_syscall_64+0xc6/0x1e0 [14882.953752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14882.953752][ T7704] [14882.956080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14882.956080][ T7704] netdev_get_by_index+0x5e/0x80 [14882.956080][ T7704] fib6_nh_init+0x3d8/0x15b0 [14882.956080][ T7704] ip6_route_info_create+0xf18/0x17d0 [14882.956080][ T7704] ip6_route_add+0x1c/0x140 [14882.956080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14882.956080][ T7704] addrconf_add_dev+0xe2/0x170 [14882.956080][ T7704] inet6_addr_add+0x12f/0xa40 [14882.956080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14882.956080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14882.956080][ T7704] netlink_rcv_skb+0x130/0x360 [14882.956080][ T7704] netlink_unicast+0x449/0x710 [14882.956080][ T7704] netlink_sendmsg+0x723/0xbe0 [14882.956080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14882.956080][ T7704] ___sys_sendmsg+0xee/0x170 [14882.956080][ T7704] __sys_sendmsg+0xcd/0x170 [14882.956080][ T7704] do_syscall_64+0xc6/0x1e0 [14882.956080][ T7704] [14882.958368][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14882.958368][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14882.958368][ T7704] ipv6_find_idev+0x102/0x170 [14882.958368][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14882.958368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14882.958368][ T7704] netlink_rcv_skb+0x130/0x360 [14882.958368][ T7704] netlink_unicast+0x449/0x710 [14882.958368][ T7704] netlink_sendmsg+0x723/0xbe0 [14882.958368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14882.958368][ T7704] ___sys_sendmsg+0xee/0x170 [14882.958368][ T7704] __sys_sendmsg+0xcd/0x170 [14882.958368][ T7704] do_syscall_64+0xc6/0x1e0 [14882.958368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14882.958368][ T7704] [14882.960149][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14882.960149][ T7704] neigh_parms_alloc+0x1e5/0x510 [14882.960149][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14882.960149][ T7704] ipv6_find_idev+0x102/0x170 [14882.960149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14882.960149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14882.960149][ T7704] netlink_rcv_skb+0x130/0x360 [14882.960149][ T7704] netlink_unicast+0x449/0x710 [14882.960149][ T7704] netlink_sendmsg+0x723/0xbe0 [14882.960149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14882.960149][ T7704] ___sys_sendmsg+0xee/0x170 [14882.960149][ T7704] __sys_sendmsg+0xcd/0x170 [14882.960149][ T7704] do_syscall_64+0xc6/0x1e0 [14882.960149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14882.960149][ T7704] [14893.198890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14893.199395][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14893.199395][ T7704] netdev_get_by_index+0x5e/0x80 [14893.199395][ T7704] fib6_nh_init+0x3d8/0x15b0 [14893.199395][ T7704] ip6_route_info_create+0xf18/0x17d0 [14893.199395][ T7704] ip6_route_add+0x1c/0x140 [14893.199395][ T7704] addrconf_prefix_route+0x2a6/0x430 [14893.199395][ T7704] inet6_addr_add+0x4f8/0xa40 [14893.199395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14893.199395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14893.199395][ T7704] netlink_rcv_skb+0x130/0x360 [14893.199395][ T7704] netlink_unicast+0x449/0x710 [14893.199395][ T7704] netlink_sendmsg+0x723/0xbe0 [14893.199395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14893.199395][ T7704] ___sys_sendmsg+0xee/0x170 [14893.199395][ T7704] __sys_sendmsg+0xcd/0x170 [14893.199395][ T7704] do_syscall_64+0xc6/0x1e0 [14893.199395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14893.199395][ T7704] [14893.201789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14893.201789][ T7704] netdev_get_by_index+0x5e/0x80 [14893.201789][ T7704] fib6_nh_init+0x3d8/0x15b0 [14893.201789][ T7704] ip6_route_info_create+0xf18/0x17d0 [14893.201789][ T7704] addrconf_f6i_alloc+0x315/0x560 [14893.201789][ T7704] ipv6_add_addr+0x411/0x2000 [14893.201789][ T7704] inet6_addr_add+0x30e/0xa40 [14893.201789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14893.201789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14893.201789][ T7704] netlink_rcv_skb+0x130/0x360 [14893.201789][ T7704] netlink_unicast+0x449/0x710 [14893.201789][ T7704] netlink_sendmsg+0x723/0xbe0 [14893.201789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14893.201789][ T7704] ___sys_sendmsg+0xee/0x170 [14893.201789][ T7704] __sys_sendmsg+0xcd/0x170 [14893.201789][ T7704] do_syscall_64+0xc6/0x1e0 [14893.201789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14893.201789][ T7704] [14893.204649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14893.204649][ T7704] netdev_get_by_index+0x5e/0x80 [14893.204649][ T7704] fib6_nh_init+0x3d8/0x15b0 [14893.204649][ T7704] ip6_route_info_create+0xf18/0x17d0 [14893.204649][ T7704] ip6_route_add+0x1c/0x140 [14893.204649][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14893.204649][ T7704] addrconf_add_dev+0xe2/0x170 [14893.204649][ T7704] inet6_addr_add+0x12f/0xa40 [14893.204649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14893.204649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14893.204649][ T7704] netlink_rcv_skb+0x130/0x360 [14893.204649][ T7704] netlink_unicast+0x449/0x710 [14893.204649][ T7704] netlink_sendmsg+0x723/0xbe0 [14893.204649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14893.204649][ T7704] ___sys_sendmsg+0xee/0x170 [14893.204649][ T7704] __sys_sendmsg+0xcd/0x170 [14893.204649][ T7704] do_syscall_64+0xc6/0x1e0 [14893.204649][ T7704] [14893.206971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14893.206971][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14893.206971][ T7704] ipv6_find_idev+0x102/0x170 [14893.206971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14893.206971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14893.206971][ T7704] netlink_rcv_skb+0x130/0x360 [14893.206971][ T7704] netlink_unicast+0x449/0x710 [14893.206971][ T7704] netlink_sendmsg+0x723/0xbe0 [14893.206971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14893.206971][ T7704] ___sys_sendmsg+0xee/0x170 [14893.206971][ T7704] __sys_sendmsg+0xcd/0x170 [14893.206971][ T7704] do_syscall_64+0xc6/0x1e0 [14893.206971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14893.206971][ T7704] [14893.208760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14893.208760][ T7704] neigh_parms_alloc+0x1e5/0x510 [14893.208760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14893.208760][ T7704] ipv6_find_idev+0x102/0x170 [14893.208760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14893.208760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14893.208760][ T7704] netlink_rcv_skb+0x130/0x360 [14893.208760][ T7704] netlink_unicast+0x449/0x710 [14893.208760][ T7704] netlink_sendmsg+0x723/0xbe0 [14893.208760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14893.208760][ T7704] ___sys_sendmsg+0xee/0x170 [14893.208760][ T7704] __sys_sendmsg+0xcd/0x170 [14893.208760][ T7704] do_syscall_64+0xc6/0x1e0 [14893.208760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14893.208760][ T7704] [14903.431024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14903.431754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14903.431754][ T7704] netdev_get_by_index+0x5e/0x80 [14903.431754][ T7704] fib6_nh_init+0x3d8/0x15b0 [14903.431754][ T7704] ip6_route_info_create+0xf18/0x17d0 [14903.431754][ T7704] ip6_route_add+0x1c/0x140 [14903.431754][ T7704] addrconf_prefix_route+0x2a6/0x430 [14903.431754][ T7704] inet6_addr_add+0x4f8/0xa40 [14903.431754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14903.431754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14903.431754][ T7704] netlink_rcv_skb+0x130/0x360 [14903.431754][ T7704] netlink_unicast+0x449/0x710 [14903.431754][ T7704] netlink_sendmsg+0x723/0xbe0 [14903.431754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14903.431754][ T7704] ___sys_sendmsg+0xee/0x170 [14903.431754][ T7704] __sys_sendmsg+0xcd/0x170 [14903.431754][ T7704] do_syscall_64+0xc6/0x1e0 [14903.431754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14903.431754][ T7704] [14903.434120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14903.434120][ T7704] netdev_get_by_index+0x5e/0x80 [14903.434120][ T7704] fib6_nh_init+0x3d8/0x15b0 [14903.434120][ T7704] ip6_route_info_create+0xf18/0x17d0 [14903.434120][ T7704] addrconf_f6i_alloc+0x315/0x560 [14903.434120][ T7704] ipv6_add_addr+0x411/0x2000 [14903.434120][ T7704] inet6_addr_add+0x30e/0xa40 [14903.434120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14903.434120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14903.434120][ T7704] netlink_rcv_skb+0x130/0x360 [14903.434120][ T7704] netlink_unicast+0x449/0x710 [14903.434120][ T7704] netlink_sendmsg+0x723/0xbe0 [14903.434120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14903.434120][ T7704] ___sys_sendmsg+0xee/0x170 [14903.434120][ T7704] __sys_sendmsg+0xcd/0x170 [14903.434120][ T7704] do_syscall_64+0xc6/0x1e0 [14903.434120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14903.434120][ T7704] [14903.436473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14903.436473][ T7704] netdev_get_by_index+0x5e/0x80 [14903.436473][ T7704] fib6_nh_init+0x3d8/0x15b0 [14903.436473][ T7704] ip6_route_info_create+0xf18/0x17d0 [14903.436473][ T7704] ip6_route_add+0x1c/0x140 [14903.436473][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14903.436473][ T7704] addrconf_add_dev+0xe2/0x170 [14903.436473][ T7704] inet6_addr_add+0x12f/0xa40 [14903.436473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14903.436473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14903.436473][ T7704] netlink_rcv_skb+0x130/0x360 [14903.436473][ T7704] netlink_unicast+0x449/0x710 [14903.436473][ T7704] netlink_sendmsg+0x723/0xbe0 [14903.436473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14903.436473][ T7704] ___sys_sendmsg+0xee/0x170 [14903.436473][ T7704] __sys_sendmsg+0xcd/0x170 [14903.436473][ T7704] do_syscall_64+0xc6/0x1e0 [14903.436473][ T7704] [14903.438852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14903.438852][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14903.438852][ T7704] ipv6_find_idev+0x102/0x170 [14903.438852][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14903.438852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14903.438852][ T7704] netlink_rcv_skb+0x130/0x360 [14903.438852][ T7704] netlink_unicast+0x449/0x710 [14903.438852][ T7704] netlink_sendmsg+0x723/0xbe0 [14903.438852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14903.438852][ T7704] ___sys_sendmsg+0xee/0x170 [14903.438852][ T7704] __sys_sendmsg+0xcd/0x170 [14903.438852][ T7704] do_syscall_64+0xc6/0x1e0 [14903.438852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14903.438852][ T7704] [14903.440696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14903.440696][ T7704] neigh_parms_alloc+0x1e5/0x510 [14903.440696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14903.440696][ T7704] ipv6_find_idev+0x102/0x170 [14903.440696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14903.440696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14903.440696][ T7704] netlink_rcv_skb+0x130/0x360 [14903.440696][ T7704] netlink_unicast+0x449/0x710 [14903.440696][ T7704] netlink_sendmsg+0x723/0xbe0 [14903.440696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14903.440696][ T7704] ___sys_sendmsg+0xee/0x170 [14903.440696][ T7704] __sys_sendmsg+0xcd/0x170 [14903.440696][ T7704] do_syscall_64+0xc6/0x1e0 [14903.440696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14903.440696][ T7704] [14913.614938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14913.615505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14913.615505][ T7704] netdev_get_by_index+0x5e/0x80 [14913.615505][ T7704] fib6_nh_init+0x3d8/0x15b0 [14913.615505][ T7704] ip6_route_info_create+0xf18/0x17d0 [14913.615505][ T7704] ip6_route_add+0x1c/0x140 [14913.615505][ T7704] addrconf_prefix_route+0x2a6/0x430 [14913.615505][ T7704] inet6_addr_add+0x4f8/0xa40 [14913.615505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14913.615505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14913.615505][ T7704] netlink_rcv_skb+0x130/0x360 [14913.615505][ T7704] netlink_unicast+0x449/0x710 [14913.615505][ T7704] netlink_sendmsg+0x723/0xbe0 [14913.615505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14913.615505][ T7704] ___sys_sendmsg+0xee/0x170 [14913.615505][ T7704] __sys_sendmsg+0xcd/0x170 [14913.615505][ T7704] do_syscall_64+0xc6/0x1e0 [14913.615505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14913.615505][ T7704] [14913.617904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14913.617904][ T7704] netdev_get_by_index+0x5e/0x80 [14913.617904][ T7704] fib6_nh_init+0x3d8/0x15b0 [14913.617904][ T7704] ip6_route_info_create+0xf18/0x17d0 [14913.617904][ T7704] addrconf_f6i_alloc+0x315/0x560 [14913.617904][ T7704] ipv6_add_addr+0x411/0x2000 [14913.617904][ T7704] inet6_addr_add+0x30e/0xa40 [14913.617904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14913.617904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14913.617904][ T7704] netlink_rcv_skb+0x130/0x360 [14913.617904][ T7704] netlink_unicast+0x449/0x710 [14913.617904][ T7704] netlink_sendmsg+0x723/0xbe0 [14913.617904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14913.617904][ T7704] ___sys_sendmsg+0xee/0x170 [14913.617904][ T7704] __sys_sendmsg+0xcd/0x170 [14913.617904][ T7704] do_syscall_64+0xc6/0x1e0 [14913.617904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14913.617904][ T7704] [14913.620258][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14913.620258][ T7704] netdev_get_by_index+0x5e/0x80 [14913.620258][ T7704] fib6_nh_init+0x3d8/0x15b0 [14913.620258][ T7704] ip6_route_info_create+0xf18/0x17d0 [14913.620258][ T7704] ip6_route_add+0x1c/0x140 [14913.620258][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14913.620258][ T7704] addrconf_add_dev+0xe2/0x170 [14913.620258][ T7704] inet6_addr_add+0x12f/0xa40 [14913.620258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14913.620258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14913.620258][ T7704] netlink_rcv_skb+0x130/0x360 [14913.620258][ T7704] netlink_unicast+0x449/0x710 [14913.620258][ T7704] netlink_sendmsg+0x723/0xbe0 [14913.620258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14913.620258][ T7704] ___sys_sendmsg+0xee/0x170 [14913.620258][ T7704] __sys_sendmsg+0xcd/0x170 [14913.620258][ T7704] do_syscall_64+0xc6/0x1e0 [14913.620258][ T7704] [14913.622550][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14913.622550][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14913.622550][ T7704] ipv6_find_idev+0x102/0x170 [14913.622550][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14913.622550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14913.622550][ T7704] netlink_rcv_skb+0x130/0x360 [14913.622550][ T7704] netlink_unicast+0x449/0x710 [14913.622550][ T7704] netlink_sendmsg+0x723/0xbe0 [14913.622550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14913.622550][ T7704] ___sys_sendmsg+0xee/0x170 [14913.622550][ T7704] __sys_sendmsg+0xcd/0x170 [14913.622550][ T7704] do_syscall_64+0xc6/0x1e0 [14913.622550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14913.622550][ T7704] [14913.624341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14913.624341][ T7704] neigh_parms_alloc+0x1e5/0x510 [14913.624341][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14913.624341][ T7704] ipv6_find_idev+0x102/0x170 [14913.624341][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14913.624341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14913.624341][ T7704] netlink_rcv_skb+0x130/0x360 [14913.624341][ T7704] netlink_unicast+0x449/0x710 [14913.624341][ T7704] netlink_sendmsg+0x723/0xbe0 [14913.624341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14913.624341][ T7704] ___sys_sendmsg+0xee/0x170 [14913.624341][ T7704] __sys_sendmsg+0xcd/0x170 [14913.624341][ T7704] do_syscall_64+0xc6/0x1e0 [14913.624341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14913.624341][ T7704] [14923.846874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14923.847313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14923.847313][ T7704] netdev_get_by_index+0x5e/0x80 [14923.847313][ T7704] fib6_nh_init+0x3d8/0x15b0 [14923.847313][ T7704] ip6_route_info_create+0xf18/0x17d0 [14923.847313][ T7704] ip6_route_add+0x1c/0x140 [14923.847313][ T7704] addrconf_prefix_route+0x2a6/0x430 [14923.847313][ T7704] inet6_addr_add+0x4f8/0xa40 [14923.847313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14923.847313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14923.847313][ T7704] netlink_rcv_skb+0x130/0x360 [14923.847313][ T7704] netlink_unicast+0x449/0x710 [14923.847313][ T7704] netlink_sendmsg+0x723/0xbe0 [14923.847313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14923.847313][ T7704] ___sys_sendmsg+0xee/0x170 [14923.847313][ T7704] __sys_sendmsg+0xcd/0x170 [14923.847313][ T7704] do_syscall_64+0xc6/0x1e0 [14923.847313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14923.847313][ T7704] [14923.849643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14923.849643][ T7704] netdev_get_by_index+0x5e/0x80 [14923.849643][ T7704] fib6_nh_init+0x3d8/0x15b0 [14923.849643][ T7704] ip6_route_info_create+0xf18/0x17d0 [14923.849643][ T7704] addrconf_f6i_alloc+0x315/0x560 [14923.849643][ T7704] ipv6_add_addr+0x411/0x2000 [14923.849643][ T7704] inet6_addr_add+0x30e/0xa40 [14923.849643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14923.849643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14923.849643][ T7704] netlink_rcv_skb+0x130/0x360 [14923.849643][ T7704] netlink_unicast+0x449/0x710 [14923.849643][ T7704] netlink_sendmsg+0x723/0xbe0 [14923.849643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14923.849643][ T7704] ___sys_sendmsg+0xee/0x170 [14923.849643][ T7704] __sys_sendmsg+0xcd/0x170 [14923.849643][ T7704] do_syscall_64+0xc6/0x1e0 [14923.849643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14923.849643][ T7704] [14923.851968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14923.851968][ T7704] netdev_get_by_index+0x5e/0x80 [14923.851968][ T7704] fib6_nh_init+0x3d8/0x15b0 [14923.851968][ T7704] ip6_route_info_create+0xf18/0x17d0 [14923.851968][ T7704] ip6_route_add+0x1c/0x140 [14923.851968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14923.851968][ T7704] addrconf_add_dev+0xe2/0x170 [14923.851968][ T7704] inet6_addr_add+0x12f/0xa40 [14923.851968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14923.851968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14923.851968][ T7704] netlink_rcv_skb+0x130/0x360 [14923.851968][ T7704] netlink_unicast+0x449/0x710 [14923.851968][ T7704] netlink_sendmsg+0x723/0xbe0 [14923.851968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14923.851968][ T7704] ___sys_sendmsg+0xee/0x170 [14923.851968][ T7704] __sys_sendmsg+0xcd/0x170 [14923.851968][ T7704] do_syscall_64+0xc6/0x1e0 [14923.851968][ T7704] [14923.854247][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14923.854247][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14923.854247][ T7704] ipv6_find_idev+0x102/0x170 [14923.854247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14923.854247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14923.854247][ T7704] netlink_rcv_skb+0x130/0x360 [14923.854247][ T7704] netlink_unicast+0x449/0x710 [14923.854247][ T7704] netlink_sendmsg+0x723/0xbe0 [14923.854247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14923.854247][ T7704] ___sys_sendmsg+0xee/0x170 [14923.854247][ T7704] __sys_sendmsg+0xcd/0x170 [14923.854247][ T7704] do_syscall_64+0xc6/0x1e0 [14923.854247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14923.854247][ T7704] [14923.856036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14923.856036][ T7704] neigh_parms_alloc+0x1e5/0x510 [14923.856036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14923.856036][ T7704] ipv6_find_idev+0x102/0x170 [14923.856036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14923.856036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14923.856036][ T7704] netlink_rcv_skb+0x130/0x360 [14923.856036][ T7704] netlink_unicast+0x449/0x710 [14923.856036][ T7704] netlink_sendmsg+0x723/0xbe0 [14923.856036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14923.856036][ T7704] ___sys_sendmsg+0xee/0x170 [14923.856036][ T7704] __sys_sendmsg+0xcd/0x170 [14923.856036][ T7704] do_syscall_64+0xc6/0x1e0 [14923.856036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14923.856036][ T7704] [14933.950998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14933.951831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14933.951831][ T7704] netdev_get_by_index+0x5e/0x80 [14933.951831][ T7704] fib6_nh_init+0x3d8/0x15b0 [14933.951831][ T7704] ip6_route_info_create+0xf18/0x17d0 [14933.951831][ T7704] ip6_route_add+0x1c/0x140 [14933.951831][ T7704] addrconf_prefix_route+0x2a6/0x430 [14933.951831][ T7704] inet6_addr_add+0x4f8/0xa40 [14933.951831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14933.951831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14933.951831][ T7704] netlink_rcv_skb+0x130/0x360 [14933.951831][ T7704] netlink_unicast+0x449/0x710 [14933.951831][ T7704] netlink_sendmsg+0x723/0xbe0 [14933.951831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14933.951831][ T7704] ___sys_sendmsg+0xee/0x170 [14933.951831][ T7704] __sys_sendmsg+0xcd/0x170 [14933.951831][ T7704] do_syscall_64+0xc6/0x1e0 [14933.951831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14933.951831][ T7704] [14933.954209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14933.954209][ T7704] netdev_get_by_index+0x5e/0x80 [14933.954209][ T7704] fib6_nh_init+0x3d8/0x15b0 [14933.954209][ T7704] ip6_route_info_create+0xf18/0x17d0 [14933.954209][ T7704] addrconf_f6i_alloc+0x315/0x560 [14933.954209][ T7704] ipv6_add_addr+0x411/0x2000 [14933.954209][ T7704] inet6_addr_add+0x30e/0xa40 [14933.954209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14933.954209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14933.954209][ T7704] netlink_rcv_skb+0x130/0x360 [14933.954209][ T7704] netlink_unicast+0x449/0x710 [14933.954209][ T7704] netlink_sendmsg+0x723/0xbe0 [14933.954209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14933.954209][ T7704] ___sys_sendmsg+0xee/0x170 [14933.954209][ T7704] __sys_sendmsg+0xcd/0x170 [14933.954209][ T7704] do_syscall_64+0xc6/0x1e0 [14933.954209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14933.954209][ T7704] [14933.956592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14933.956592][ T7704] netdev_get_by_index+0x5e/0x80 [14933.956592][ T7704] fib6_nh_init+0x3d8/0x15b0 [14933.956592][ T7704] ip6_route_info_create+0xf18/0x17d0 [14933.956592][ T7704] ip6_route_add+0x1c/0x140 [14933.956592][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14933.956592][ T7704] addrconf_add_dev+0xe2/0x170 [14933.956592][ T7704] inet6_addr_add+0x12f/0xa40 [14933.956592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14933.956592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14933.956592][ T7704] netlink_rcv_skb+0x130/0x360 [14933.956592][ T7704] netlink_unicast+0x449/0x710 [14933.956592][ T7704] netlink_sendmsg+0x723/0xbe0 [14933.956592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14933.956592][ T7704] ___sys_sendmsg+0xee/0x170 [14933.956592][ T7704] __sys_sendmsg+0xcd/0x170 [14933.956592][ T7704] do_syscall_64+0xc6/0x1e0 [14933.956592][ T7704] [14933.958887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14933.958887][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14933.958887][ T7704] ipv6_find_idev+0x102/0x170 [14933.958887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14933.958887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14933.958887][ T7704] netlink_rcv_skb+0x130/0x360 [14933.958887][ T7704] netlink_unicast+0x449/0x710 [14933.958887][ T7704] netlink_sendmsg+0x723/0xbe0 [14933.958887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14933.958887][ T7704] ___sys_sendmsg+0xee/0x170 [14933.958887][ T7704] __sys_sendmsg+0xcd/0x170 [14933.958887][ T7704] do_syscall_64+0xc6/0x1e0 [14933.958887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14933.958887][ T7704] [14933.960704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14933.960704][ T7704] neigh_parms_alloc+0x1e5/0x510 [14933.960704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14933.960704][ T7704] ipv6_find_idev+0x102/0x170 [14933.960704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14933.960704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14933.960704][ T7704] netlink_rcv_skb+0x130/0x360 [14933.960704][ T7704] netlink_unicast+0x449/0x710 [14933.960704][ T7704] netlink_sendmsg+0x723/0xbe0 [14933.960704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14933.960704][ T7704] ___sys_sendmsg+0xee/0x170 [14933.960704][ T7704] __sys_sendmsg+0xcd/0x170 [14933.960704][ T7704] do_syscall_64+0xc6/0x1e0 [14933.960704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14933.960704][ T7704] [14944.215031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14944.215654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14944.215654][ T7704] netdev_get_by_index+0x5e/0x80 [14944.215654][ T7704] fib6_nh_init+0x3d8/0x15b0 [14944.215654][ T7704] ip6_route_info_create+0xf18/0x17d0 [14944.215654][ T7704] ip6_route_add+0x1c/0x140 [14944.215654][ T7704] addrconf_prefix_route+0x2a6/0x430 [14944.215654][ T7704] inet6_addr_add+0x4f8/0xa40 [14944.215654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14944.215654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14944.215654][ T7704] netlink_rcv_skb+0x130/0x360 [14944.215654][ T7704] netlink_unicast+0x449/0x710 [14944.215654][ T7704] netlink_sendmsg+0x723/0xbe0 [14944.215654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14944.215654][ T7704] ___sys_sendmsg+0xee/0x170 [14944.215654][ T7704] __sys_sendmsg+0xcd/0x170 [14944.215654][ T7704] do_syscall_64+0xc6/0x1e0 [14944.215654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14944.215654][ T7704] [14944.218000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14944.218000][ T7704] netdev_get_by_index+0x5e/0x80 [14944.218000][ T7704] fib6_nh_init+0x3d8/0x15b0 [14944.218000][ T7704] ip6_route_info_create+0xf18/0x17d0 [14944.218000][ T7704] addrconf_f6i_alloc+0x315/0x560 [14944.218000][ T7704] ipv6_add_addr+0x411/0x2000 [14944.218000][ T7704] inet6_addr_add+0x30e/0xa40 [14944.218000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14944.218000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14944.218000][ T7704] netlink_rcv_skb+0x130/0x360 [14944.218000][ T7704] netlink_unicast+0x449/0x710 [14944.218000][ T7704] netlink_sendmsg+0x723/0xbe0 [14944.218000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14944.218000][ T7704] ___sys_sendmsg+0xee/0x170 [14944.218000][ T7704] __sys_sendmsg+0xcd/0x170 [14944.218000][ T7704] do_syscall_64+0xc6/0x1e0 [14944.218000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14944.218000][ T7704] [14944.220316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14944.220316][ T7704] netdev_get_by_index+0x5e/0x80 [14944.220316][ T7704] fib6_nh_init+0x3d8/0x15b0 [14944.220316][ T7704] ip6_route_info_create+0xf18/0x17d0 [14944.220316][ T7704] ip6_route_add+0x1c/0x140 [14944.220316][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14944.220316][ T7704] addrconf_add_dev+0xe2/0x170 [14944.220316][ T7704] inet6_addr_add+0x12f/0xa40 [14944.220316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14944.220316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14944.220316][ T7704] netlink_rcv_skb+0x130/0x360 [14944.220316][ T7704] netlink_unicast+0x449/0x710 [14944.220316][ T7704] netlink_sendmsg+0x723/0xbe0 [14944.220316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14944.220316][ T7704] ___sys_sendmsg+0xee/0x170 [14944.220316][ T7704] __sys_sendmsg+0xcd/0x170 [14944.220316][ T7704] do_syscall_64+0xc6/0x1e0 [14944.220316][ T7704] [14944.222587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14944.222587][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14944.222587][ T7704] ipv6_find_idev+0x102/0x170 [14944.222587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14944.222587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14944.222587][ T7704] netlink_rcv_skb+0x130/0x360 [14944.222587][ T7704] netlink_unicast+0x449/0x710 [14944.222587][ T7704] netlink_sendmsg+0x723/0xbe0 [14944.222587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14944.222587][ T7704] ___sys_sendmsg+0xee/0x170 [14944.222587][ T7704] __sys_sendmsg+0xcd/0x170 [14944.222587][ T7704] do_syscall_64+0xc6/0x1e0 [14944.222587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14944.222587][ T7704] [14944.224351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14944.224351][ T7704] neigh_parms_alloc+0x1e5/0x510 [14944.224351][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14944.224351][ T7704] ipv6_find_idev+0x102/0x170 [14944.224351][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14944.224351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14944.224351][ T7704] netlink_rcv_skb+0x130/0x360 [14944.224351][ T7704] netlink_unicast+0x449/0x710 [14944.224351][ T7704] netlink_sendmsg+0x723/0xbe0 [14944.224351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14944.224351][ T7704] ___sys_sendmsg+0xee/0x170 [14944.224351][ T7704] __sys_sendmsg+0xcd/0x170 [14944.224351][ T7704] do_syscall_64+0xc6/0x1e0 [14944.224351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14944.224351][ T7704] [14954.470968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14954.471482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14954.471482][ T7704] netdev_get_by_index+0x5e/0x80 [14954.471482][ T7704] fib6_nh_init+0x3d8/0x15b0 [14954.471482][ T7704] ip6_route_info_create+0xf18/0x17d0 [14954.471482][ T7704] ip6_route_add+0x1c/0x140 [14954.471482][ T7704] addrconf_prefix_route+0x2a6/0x430 [14954.471482][ T7704] inet6_addr_add+0x4f8/0xa40 [14954.471482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14954.471482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14954.471482][ T7704] netlink_rcv_skb+0x130/0x360 [14954.471482][ T7704] netlink_unicast+0x449/0x710 [14954.471482][ T7704] netlink_sendmsg+0x723/0xbe0 [14954.471482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14954.471482][ T7704] ___sys_sendmsg+0xee/0x170 [14954.471482][ T7704] __sys_sendmsg+0xcd/0x170 [14954.471482][ T7704] do_syscall_64+0xc6/0x1e0 [14954.471482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14954.471482][ T7704] [14954.473796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14954.473796][ T7704] netdev_get_by_index+0x5e/0x80 [14954.473796][ T7704] fib6_nh_init+0x3d8/0x15b0 [14954.473796][ T7704] ip6_route_info_create+0xf18/0x17d0 [14954.473796][ T7704] addrconf_f6i_alloc+0x315/0x560 [14954.473796][ T7704] ipv6_add_addr+0x411/0x2000 [14954.473796][ T7704] inet6_addr_add+0x30e/0xa40 [14954.473796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14954.473796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14954.473796][ T7704] netlink_rcv_skb+0x130/0x360 [14954.473796][ T7704] netlink_unicast+0x449/0x710 [14954.473796][ T7704] netlink_sendmsg+0x723/0xbe0 [14954.473796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14954.473796][ T7704] ___sys_sendmsg+0xee/0x170 [14954.473796][ T7704] __sys_sendmsg+0xcd/0x170 [14954.473796][ T7704] do_syscall_64+0xc6/0x1e0 [14954.473796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14954.473796][ T7704] [14954.476066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14954.476066][ T7704] netdev_get_by_index+0x5e/0x80 [14954.476066][ T7704] fib6_nh_init+0x3d8/0x15b0 [14954.476066][ T7704] ip6_route_info_create+0xf18/0x17d0 [14954.476066][ T7704] ip6_route_add+0x1c/0x140 [14954.476066][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14954.476066][ T7704] addrconf_add_dev+0xe2/0x170 [14954.476066][ T7704] inet6_addr_add+0x12f/0xa40 [14954.476066][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14954.476066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14954.476066][ T7704] netlink_rcv_skb+0x130/0x360 [14954.476066][ T7704] netlink_unicast+0x449/0x710 [14954.476066][ T7704] netlink_sendmsg+0x723/0xbe0 [14954.476066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14954.476066][ T7704] ___sys_sendmsg+0xee/0x170 [14954.476066][ T7704] __sys_sendmsg+0xcd/0x170 [14954.476066][ T7704] do_syscall_64+0xc6/0x1e0 [14954.476066][ T7704] [14954.478299][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14954.478299][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14954.478299][ T7704] ipv6_find_idev+0x102/0x170 [14954.478299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14954.478299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14954.478299][ T7704] netlink_rcv_skb+0x130/0x360 [14954.478299][ T7704] netlink_unicast+0x449/0x710 [14954.478299][ T7704] netlink_sendmsg+0x723/0xbe0 [14954.478299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14954.478299][ T7704] ___sys_sendmsg+0xee/0x170 [14954.478299][ T7704] __sys_sendmsg+0xcd/0x170 [14954.478299][ T7704] do_syscall_64+0xc6/0x1e0 [14954.478299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14954.478299][ T7704] [14954.480069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14954.480069][ T7704] neigh_parms_alloc+0x1e5/0x510 [14954.480069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14954.480069][ T7704] ipv6_find_idev+0x102/0x170 [14954.480069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14954.480069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14954.480069][ T7704] netlink_rcv_skb+0x130/0x360 [14954.480069][ T7704] netlink_unicast+0x449/0x710 [14954.480069][ T7704] netlink_sendmsg+0x723/0xbe0 [14954.480069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14954.480069][ T7704] ___sys_sendmsg+0xee/0x170 [14954.480069][ T7704] __sys_sendmsg+0xcd/0x170 [14954.480069][ T7704] do_syscall_64+0xc6/0x1e0 [14954.480069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14954.480069][ T7704] [14964.727007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14964.727926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14964.727926][ T7704] netdev_get_by_index+0x5e/0x80 [14964.727926][ T7704] fib6_nh_init+0x3d8/0x15b0 [14964.727926][ T7704] ip6_route_info_create+0xf18/0x17d0 [14964.727926][ T7704] ip6_route_add+0x1c/0x140 [14964.727926][ T7704] addrconf_prefix_route+0x2a6/0x430 [14964.727926][ T7704] inet6_addr_add+0x4f8/0xa40 [14964.727926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14964.727926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14964.727926][ T7704] netlink_rcv_skb+0x130/0x360 [14964.727926][ T7704] netlink_unicast+0x449/0x710 [14964.727926][ T7704] netlink_sendmsg+0x723/0xbe0 [14964.727926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14964.727926][ T7704] ___sys_sendmsg+0xee/0x170 [14964.727926][ T7704] __sys_sendmsg+0xcd/0x170 [14964.727926][ T7704] do_syscall_64+0xc6/0x1e0 [14964.727926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14964.727926][ T7704] [14964.730192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14964.730192][ T7704] netdev_get_by_index+0x5e/0x80 [14964.730192][ T7704] fib6_nh_init+0x3d8/0x15b0 [14964.730192][ T7704] ip6_route_info_create+0xf18/0x17d0 [14964.730192][ T7704] addrconf_f6i_alloc+0x315/0x560 [14964.730192][ T7704] ipv6_add_addr+0x411/0x2000 [14964.730192][ T7704] inet6_addr_add+0x30e/0xa40 [14964.730192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14964.730192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14964.730192][ T7704] netlink_rcv_skb+0x130/0x360 [14964.730192][ T7704] netlink_unicast+0x449/0x710 [14964.730192][ T7704] netlink_sendmsg+0x723/0xbe0 [14964.730192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14964.730192][ T7704] ___sys_sendmsg+0xee/0x170 [14964.730192][ T7704] __sys_sendmsg+0xcd/0x170 [14964.730192][ T7704] do_syscall_64+0xc6/0x1e0 [14964.730192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14964.730192][ T7704] [14964.732424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14964.732424][ T7704] netdev_get_by_index+0x5e/0x80 [14964.732424][ T7704] fib6_nh_init+0x3d8/0x15b0 [14964.732424][ T7704] ip6_route_info_create+0xf18/0x17d0 [14964.732424][ T7704] ip6_route_add+0x1c/0x140 [14964.732424][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14964.732424][ T7704] addrconf_add_dev+0xe2/0x170 [14964.732424][ T7704] inet6_addr_add+0x12f/0xa40 [14964.732424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14964.732424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14964.732424][ T7704] netlink_rcv_skb+0x130/0x360 [14964.732424][ T7704] netlink_unicast+0x449/0x710 [14964.732424][ T7704] netlink_sendmsg+0x723/0xbe0 [14964.732424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14964.732424][ T7704] ___sys_sendmsg+0xee/0x170 [14964.732424][ T7704] __sys_sendmsg+0xcd/0x170 [14964.732424][ T7704] do_syscall_64+0xc6/0x1e0 [14964.732424][ T7704] [14964.734598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14964.734598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14964.734598][ T7704] ipv6_find_idev+0x102/0x170 [14964.734598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14964.734598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14964.734598][ T7704] netlink_rcv_skb+0x130/0x360 [14964.734598][ T7704] netlink_unicast+0x449/0x710 [14964.734598][ T7704] netlink_sendmsg+0x723/0xbe0 [14964.734598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14964.734598][ T7704] ___sys_sendmsg+0xee/0x170 [14964.734598][ T7704] __sys_sendmsg+0xcd/0x170 [14964.734598][ T7704] do_syscall_64+0xc6/0x1e0 [14964.734598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14964.734598][ T7704] [14964.736307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14964.736307][ T7704] neigh_parms_alloc+0x1e5/0x510 [14964.736307][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14964.736307][ T7704] ipv6_find_idev+0x102/0x170 [14964.736307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14964.736307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14964.736307][ T7704] netlink_rcv_skb+0x130/0x360 [14964.736307][ T7704] netlink_unicast+0x449/0x710 [14964.736307][ T7704] netlink_sendmsg+0x723/0xbe0 [14964.736307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14964.736307][ T7704] ___sys_sendmsg+0xee/0x170 [14964.736307][ T7704] __sys_sendmsg+0xcd/0x170 [14964.736307][ T7704] do_syscall_64+0xc6/0x1e0 [14964.736307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14964.736307][ T7704] [14974.958997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14974.959795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14974.959795][ T7704] netdev_get_by_index+0x5e/0x80 [14974.959795][ T7704] fib6_nh_init+0x3d8/0x15b0 [14974.959795][ T7704] ip6_route_info_create+0xf18/0x17d0 [14974.959795][ T7704] ip6_route_add+0x1c/0x140 [14974.959795][ T7704] addrconf_prefix_route+0x2a6/0x430 [14974.959795][ T7704] inet6_addr_add+0x4f8/0xa40 [14974.959795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14974.959795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14974.959795][ T7704] netlink_rcv_skb+0x130/0x360 [14974.959795][ T7704] netlink_unicast+0x449/0x710 [14974.959795][ T7704] netlink_sendmsg+0x723/0xbe0 [14974.959795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14974.959795][ T7704] ___sys_sendmsg+0xee/0x170 [14974.959795][ T7704] __sys_sendmsg+0xcd/0x170 [14974.959795][ T7704] do_syscall_64+0xc6/0x1e0 [14974.959795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14974.959795][ T7704] [14974.962044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14974.962044][ T7704] netdev_get_by_index+0x5e/0x80 [14974.962044][ T7704] fib6_nh_init+0x3d8/0x15b0 [14974.962044][ T7704] ip6_route_info_create+0xf18/0x17d0 [14974.962044][ T7704] addrconf_f6i_alloc+0x315/0x560 [14974.962044][ T7704] ipv6_add_addr+0x411/0x2000 [14974.962044][ T7704] inet6_addr_add+0x30e/0xa40 [14974.962044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14974.962044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14974.962044][ T7704] netlink_rcv_skb+0x130/0x360 [14974.962044][ T7704] netlink_unicast+0x449/0x710 [14974.962044][ T7704] netlink_sendmsg+0x723/0xbe0 [14974.962044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14974.962044][ T7704] ___sys_sendmsg+0xee/0x170 [14974.962044][ T7704] __sys_sendmsg+0xcd/0x170 [14974.962044][ T7704] do_syscall_64+0xc6/0x1e0 [14974.962044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14974.962044][ T7704] [14974.964260][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14974.964260][ T7704] netdev_get_by_index+0x5e/0x80 [14974.964260][ T7704] fib6_nh_init+0x3d8/0x15b0 [14974.964260][ T7704] ip6_route_info_create+0xf18/0x17d0 [14974.964260][ T7704] ip6_route_add+0x1c/0x140 [14974.964260][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14974.964260][ T7704] addrconf_add_dev+0xe2/0x170 [14974.964260][ T7704] inet6_addr_add+0x12f/0xa40 [14974.964260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14974.964260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14974.964260][ T7704] netlink_rcv_skb+0x130/0x360 [14974.964260][ T7704] netlink_unicast+0x449/0x710 [14974.964260][ T7704] netlink_sendmsg+0x723/0xbe0 [14974.964260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14974.964260][ T7704] ___sys_sendmsg+0xee/0x170 [14974.964260][ T7704] __sys_sendmsg+0xcd/0x170 [14974.964260][ T7704] do_syscall_64+0xc6/0x1e0 [14974.964260][ T7704] [14974.966456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14974.966456][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14974.966456][ T7704] ipv6_find_idev+0x102/0x170 [14974.966456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14974.966456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14974.966456][ T7704] netlink_rcv_skb+0x130/0x360 [14974.966456][ T7704] netlink_unicast+0x449/0x710 [14974.966456][ T7704] netlink_sendmsg+0x723/0xbe0 [14974.966456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14974.966456][ T7704] ___sys_sendmsg+0xee/0x170 [14974.966456][ T7704] __sys_sendmsg+0xcd/0x170 [14974.966456][ T7704] do_syscall_64+0xc6/0x1e0 [14974.966456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14974.966456][ T7704] [14974.968187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14974.968187][ T7704] neigh_parms_alloc+0x1e5/0x510 [14974.968187][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14974.968187][ T7704] ipv6_find_idev+0x102/0x170 [14974.968187][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14974.968187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14974.968187][ T7704] netlink_rcv_skb+0x130/0x360 [14974.968187][ T7704] netlink_unicast+0x449/0x710 [14974.968187][ T7704] netlink_sendmsg+0x723/0xbe0 [14974.968187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14974.968187][ T7704] ___sys_sendmsg+0xee/0x170 [14974.968187][ T7704] __sys_sendmsg+0xcd/0x170 [14974.968187][ T7704] do_syscall_64+0xc6/0x1e0 [14974.968187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14974.968187][ T7704] [14985.070978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14985.071456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14985.071456][ T7704] netdev_get_by_index+0x5e/0x80 [14985.071456][ T7704] fib6_nh_init+0x3d8/0x15b0 [14985.071456][ T7704] ip6_route_info_create+0xf18/0x17d0 [14985.071456][ T7704] ip6_route_add+0x1c/0x140 [14985.071456][ T7704] addrconf_prefix_route+0x2a6/0x430 [14985.071456][ T7704] inet6_addr_add+0x4f8/0xa40 [14985.071456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14985.071456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14985.071456][ T7704] netlink_rcv_skb+0x130/0x360 [14985.071456][ T7704] netlink_unicast+0x449/0x710 [14985.071456][ T7704] netlink_sendmsg+0x723/0xbe0 [14985.071456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14985.071456][ T7704] ___sys_sendmsg+0xee/0x170 [14985.071456][ T7704] __sys_sendmsg+0xcd/0x170 [14985.071456][ T7704] do_syscall_64+0xc6/0x1e0 [14985.071456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14985.071456][ T7704] [14985.073720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14985.073720][ T7704] netdev_get_by_index+0x5e/0x80 [14985.073720][ T7704] fib6_nh_init+0x3d8/0x15b0 [14985.073720][ T7704] ip6_route_info_create+0xf18/0x17d0 [14985.073720][ T7704] addrconf_f6i_alloc+0x315/0x560 [14985.073720][ T7704] ipv6_add_addr+0x411/0x2000 [14985.073720][ T7704] inet6_addr_add+0x30e/0xa40 [14985.073720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14985.073720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14985.073720][ T7704] netlink_rcv_skb+0x130/0x360 [14985.073720][ T7704] netlink_unicast+0x449/0x710 [14985.073720][ T7704] netlink_sendmsg+0x723/0xbe0 [14985.073720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14985.073720][ T7704] ___sys_sendmsg+0xee/0x170 [14985.073720][ T7704] __sys_sendmsg+0xcd/0x170 [14985.073720][ T7704] do_syscall_64+0xc6/0x1e0 [14985.073720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14985.073720][ T7704] [14985.075939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14985.075939][ T7704] netdev_get_by_index+0x5e/0x80 [14985.075939][ T7704] fib6_nh_init+0x3d8/0x15b0 [14985.075939][ T7704] ip6_route_info_create+0xf18/0x17d0 [14985.075939][ T7704] ip6_route_add+0x1c/0x140 [14985.075939][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14985.075939][ T7704] addrconf_add_dev+0xe2/0x170 [14985.075939][ T7704] inet6_addr_add+0x12f/0xa40 [14985.075939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14985.075939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14985.075939][ T7704] netlink_rcv_skb+0x130/0x360 [14985.075939][ T7704] netlink_unicast+0x449/0x710 [14985.075939][ T7704] netlink_sendmsg+0x723/0xbe0 [14985.075939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14985.075939][ T7704] ___sys_sendmsg+0xee/0x170 [14985.075939][ T7704] __sys_sendmsg+0xcd/0x170 [14985.075939][ T7704] do_syscall_64+0xc6/0x1e0 [14985.075939][ T7704] [14985.078117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14985.078117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14985.078117][ T7704] ipv6_find_idev+0x102/0x170 [14985.078117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14985.078117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14985.078117][ T7704] netlink_rcv_skb+0x130/0x360 [14985.078117][ T7704] netlink_unicast+0x449/0x710 [14985.078117][ T7704] netlink_sendmsg+0x723/0xbe0 [14985.078117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14985.078117][ T7704] ___sys_sendmsg+0xee/0x170 [14985.078117][ T7704] __sys_sendmsg+0xcd/0x170 [14985.078117][ T7704] do_syscall_64+0xc6/0x1e0 [14985.078117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14985.078117][ T7704] [14985.079832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14985.079832][ T7704] neigh_parms_alloc+0x1e5/0x510 [14985.079832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14985.079832][ T7704] ipv6_find_idev+0x102/0x170 [14985.079832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14985.079832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14985.079832][ T7704] netlink_rcv_skb+0x130/0x360 [14985.079832][ T7704] netlink_unicast+0x449/0x710 [14985.079832][ T7704] netlink_sendmsg+0x723/0xbe0 [14985.079832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14985.079832][ T7704] ___sys_sendmsg+0xee/0x170 [14985.079832][ T7704] __sys_sendmsg+0xcd/0x170 [14985.079832][ T7704] do_syscall_64+0xc6/0x1e0 [14985.079832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14985.079832][ T7704] [14995.102952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14995.103449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14995.103449][ T7704] netdev_get_by_index+0x5e/0x80 [14995.103449][ T7704] fib6_nh_init+0x3d8/0x15b0 [14995.103449][ T7704] ip6_route_info_create+0xf18/0x17d0 [14995.103449][ T7704] ip6_route_add+0x1c/0x140 [14995.103449][ T7704] addrconf_prefix_route+0x2a6/0x430 [14995.103449][ T7704] inet6_addr_add+0x4f8/0xa40 [14995.103449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14995.103449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14995.103449][ T7704] netlink_rcv_skb+0x130/0x360 [14995.103449][ T7704] netlink_unicast+0x449/0x710 [14995.103449][ T7704] netlink_sendmsg+0x723/0xbe0 [14995.103449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14995.103449][ T7704] ___sys_sendmsg+0xee/0x170 [14995.103449][ T7704] __sys_sendmsg+0xcd/0x170 [14995.103449][ T7704] do_syscall_64+0xc6/0x1e0 [14995.103449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14995.103449][ T7704] [14995.105697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14995.105697][ T7704] netdev_get_by_index+0x5e/0x80 [14995.105697][ T7704] fib6_nh_init+0x3d8/0x15b0 [14995.105697][ T7704] ip6_route_info_create+0xf18/0x17d0 [14995.105697][ T7704] addrconf_f6i_alloc+0x315/0x560 [14995.105697][ T7704] ipv6_add_addr+0x411/0x2000 [14995.105697][ T7704] inet6_addr_add+0x30e/0xa40 [14995.105697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14995.105697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14995.105697][ T7704] netlink_rcv_skb+0x130/0x360 [14995.105697][ T7704] netlink_unicast+0x449/0x710 [14995.105697][ T7704] netlink_sendmsg+0x723/0xbe0 [14995.105697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14995.105697][ T7704] ___sys_sendmsg+0xee/0x170 [14995.105697][ T7704] __sys_sendmsg+0xcd/0x170 [14995.105697][ T7704] do_syscall_64+0xc6/0x1e0 [14995.105697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14995.105697][ T7704] [14995.108292][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14995.108292][ T7704] netdev_get_by_index+0x5e/0x80 [14995.108292][ T7704] fib6_nh_init+0x3d8/0x15b0 [14995.108292][ T7704] ip6_route_info_create+0xf18/0x17d0 [14995.108292][ T7704] ip6_route_add+0x1c/0x140 [14995.108292][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14995.108292][ T7704] addrconf_add_dev+0xe2/0x170 [14995.108292][ T7704] inet6_addr_add+0x12f/0xa40 [14995.108292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14995.108292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14995.108292][ T7704] netlink_rcv_skb+0x130/0x360 [14995.108292][ T7704] netlink_unicast+0x449/0x710 [14995.108292][ T7704] netlink_sendmsg+0x723/0xbe0 [14995.108292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14995.108292][ T7704] ___sys_sendmsg+0xee/0x170 [14995.108292][ T7704] __sys_sendmsg+0xcd/0x170 [14995.108292][ T7704] do_syscall_64+0xc6/0x1e0 [14995.108292][ T7704] [14995.110491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14995.110491][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14995.110491][ T7704] ipv6_find_idev+0x102/0x170 [14995.110491][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14995.110491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14995.110491][ T7704] netlink_rcv_skb+0x130/0x360 [14995.110491][ T7704] netlink_unicast+0x449/0x710 [14995.110491][ T7704] netlink_sendmsg+0x723/0xbe0 [14995.110491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14995.110491][ T7704] ___sys_sendmsg+0xee/0x170 [14995.110491][ T7704] __sys_sendmsg+0xcd/0x170 [14995.110491][ T7704] do_syscall_64+0xc6/0x1e0 [14995.110491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14995.110491][ T7704] [14995.112211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [14995.112211][ T7704] neigh_parms_alloc+0x1e5/0x510 [14995.112211][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14995.112211][ T7704] ipv6_find_idev+0x102/0x170 [14995.112211][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14995.112211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14995.112211][ T7704] netlink_rcv_skb+0x130/0x360 [14995.112211][ T7704] netlink_unicast+0x449/0x710 [14995.112211][ T7704] netlink_sendmsg+0x723/0xbe0 [14995.112211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14995.112211][ T7704] ___sys_sendmsg+0xee/0x170 [14995.112211][ T7704] __sys_sendmsg+0xcd/0x170 [14995.112211][ T7704] do_syscall_64+0xc6/0x1e0 [14995.112211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14995.112211][ T7704] [15005.351022][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15005.351643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15005.351643][ T7704] netdev_get_by_index+0x5e/0x80 [15005.351643][ T7704] fib6_nh_init+0x3d8/0x15b0 [15005.351643][ T7704] ip6_route_info_create+0xf18/0x17d0 [15005.351643][ T7704] ip6_route_add+0x1c/0x140 [15005.351643][ T7704] addrconf_prefix_route+0x2a6/0x430 [15005.351643][ T7704] inet6_addr_add+0x4f8/0xa40 [15005.351643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15005.351643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15005.351643][ T7704] netlink_rcv_skb+0x130/0x360 [15005.351643][ T7704] netlink_unicast+0x449/0x710 [15005.351643][ T7704] netlink_sendmsg+0x723/0xbe0 [15005.351643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15005.351643][ T7704] ___sys_sendmsg+0xee/0x170 [15005.351643][ T7704] __sys_sendmsg+0xcd/0x170 [15005.351643][ T7704] do_syscall_64+0xc6/0x1e0 [15005.351643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15005.351643][ T7704] [15005.353854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15005.353854][ T7704] netdev_get_by_index+0x5e/0x80 [15005.353854][ T7704] fib6_nh_init+0x3d8/0x15b0 [15005.353854][ T7704] ip6_route_info_create+0xf18/0x17d0 [15005.353854][ T7704] addrconf_f6i_alloc+0x315/0x560 [15005.353854][ T7704] ipv6_add_addr+0x411/0x2000 [15005.353854][ T7704] inet6_addr_add+0x30e/0xa40 [15005.353854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15005.353854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15005.353854][ T7704] netlink_rcv_skb+0x130/0x360 [15005.353854][ T7704] netlink_unicast+0x449/0x710 [15005.353854][ T7704] netlink_sendmsg+0x723/0xbe0 [15005.353854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15005.353854][ T7704] ___sys_sendmsg+0xee/0x170 [15005.353854][ T7704] __sys_sendmsg+0xcd/0x170 [15005.353854][ T7704] do_syscall_64+0xc6/0x1e0 [15005.353854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15005.353854][ T7704] [15005.356074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15005.356074][ T7704] netdev_get_by_index+0x5e/0x80 [15005.356074][ T7704] fib6_nh_init+0x3d8/0x15b0 [15005.356074][ T7704] ip6_route_info_create+0xf18/0x17d0 [15005.356074][ T7704] ip6_route_add+0x1c/0x140 [15005.356074][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15005.356074][ T7704] addrconf_add_dev+0xe2/0x170 [15005.356074][ T7704] inet6_addr_add+0x12f/0xa40 [15005.356074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15005.356074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15005.356074][ T7704] netlink_rcv_skb+0x130/0x360 [15005.356074][ T7704] netlink_unicast+0x449/0x710 [15005.356074][ T7704] netlink_sendmsg+0x723/0xbe0 [15005.356074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15005.356074][ T7704] ___sys_sendmsg+0xee/0x170 [15005.356074][ T7704] __sys_sendmsg+0xcd/0x170 [15005.356074][ T7704] do_syscall_64+0xc6/0x1e0 [15005.356074][ T7704] [15005.358265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15005.358265][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15005.358265][ T7704] ipv6_find_idev+0x102/0x170 [15005.358265][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15005.358265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15005.358265][ T7704] netlink_rcv_skb+0x130/0x360 [15005.358265][ T7704] netlink_unicast+0x449/0x710 [15005.358265][ T7704] netlink_sendmsg+0x723/0xbe0 [15005.358265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15005.358265][ T7704] ___sys_sendmsg+0xee/0x170 [15005.358265][ T7704] __sys_sendmsg+0xcd/0x170 [15005.358265][ T7704] do_syscall_64+0xc6/0x1e0 [15005.358265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15005.358265][ T7704] [15005.359967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15005.359967][ T7704] neigh_parms_alloc+0x1e5/0x510 [15005.359967][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15005.359967][ T7704] ipv6_find_idev+0x102/0x170 [15005.359967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15005.359967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15005.359967][ T7704] netlink_rcv_skb+0x130/0x360 [15005.359967][ T7704] netlink_unicast+0x449/0x710 [15005.359967][ T7704] netlink_sendmsg+0x723/0xbe0 [15005.359967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15005.359967][ T7704] ___sys_sendmsg+0xee/0x170 [15005.359967][ T7704] __sys_sendmsg+0xcd/0x170 [15005.359967][ T7704] do_syscall_64+0xc6/0x1e0 [15005.359967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15005.359967][ T7704] [15015.598948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15015.599430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15015.599430][ T7704] netdev_get_by_index+0x5e/0x80 [15015.599430][ T7704] fib6_nh_init+0x3d8/0x15b0 [15015.599430][ T7704] ip6_route_info_create+0xf18/0x17d0 [15015.599430][ T7704] ip6_route_add+0x1c/0x140 [15015.599430][ T7704] addrconf_prefix_route+0x2a6/0x430 [15015.599430][ T7704] inet6_addr_add+0x4f8/0xa40 [15015.599430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15015.599430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15015.599430][ T7704] netlink_rcv_skb+0x130/0x360 [15015.599430][ T7704] netlink_unicast+0x449/0x710 [15015.599430][ T7704] netlink_sendmsg+0x723/0xbe0 [15015.599430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15015.599430][ T7704] ___sys_sendmsg+0xee/0x170 [15015.599430][ T7704] __sys_sendmsg+0xcd/0x170 [15015.599430][ T7704] do_syscall_64+0xc6/0x1e0 [15015.599430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15015.599430][ T7704] [15015.601692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15015.601692][ T7704] netdev_get_by_index+0x5e/0x80 [15015.601692][ T7704] fib6_nh_init+0x3d8/0x15b0 [15015.601692][ T7704] ip6_route_info_create+0xf18/0x17d0 [15015.601692][ T7704] addrconf_f6i_alloc+0x315/0x560 [15015.601692][ T7704] ipv6_add_addr+0x411/0x2000 [15015.601692][ T7704] inet6_addr_add+0x30e/0xa40 [15015.601692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15015.601692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15015.601692][ T7704] netlink_rcv_skb+0x130/0x360 [15015.601692][ T7704] netlink_unicast+0x449/0x710 [15015.601692][ T7704] netlink_sendmsg+0x723/0xbe0 [15015.601692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15015.601692][ T7704] ___sys_sendmsg+0xee/0x170 [15015.601692][ T7704] __sys_sendmsg+0xcd/0x170 [15015.601692][ T7704] do_syscall_64+0xc6/0x1e0 [15015.601692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15015.601692][ T7704] [15015.603923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15015.603923][ T7704] netdev_get_by_index+0x5e/0x80 [15015.603923][ T7704] fib6_nh_init+0x3d8/0x15b0 [15015.603923][ T7704] ip6_route_info_create+0xf18/0x17d0 [15015.603923][ T7704] ip6_route_add+0x1c/0x140 [15015.603923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15015.603923][ T7704] addrconf_add_dev+0xe2/0x170 [15015.603923][ T7704] inet6_addr_add+0x12f/0xa40 [15015.603923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15015.603923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15015.603923][ T7704] netlink_rcv_skb+0x130/0x360 [15015.603923][ T7704] netlink_unicast+0x449/0x710 [15015.603923][ T7704] netlink_sendmsg+0x723/0xbe0 [15015.603923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15015.603923][ T7704] ___sys_sendmsg+0xee/0x170 [15015.603923][ T7704] __sys_sendmsg+0xcd/0x170 [15015.603923][ T7704] do_syscall_64+0xc6/0x1e0 [15015.603923][ T7704] [15015.606116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15015.606116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15015.606116][ T7704] ipv6_find_idev+0x102/0x170 [15015.606116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15015.606116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15015.606116][ T7704] netlink_rcv_skb+0x130/0x360 [15015.606116][ T7704] netlink_unicast+0x449/0x710 [15015.606116][ T7704] netlink_sendmsg+0x723/0xbe0 [15015.606116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15015.606116][ T7704] ___sys_sendmsg+0xee/0x170 [15015.606116][ T7704] __sys_sendmsg+0xcd/0x170 [15015.606116][ T7704] do_syscall_64+0xc6/0x1e0 [15015.606116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15015.606116][ T7704] [15015.607831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15015.607831][ T7704] neigh_parms_alloc+0x1e5/0x510 [15015.607831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15015.607831][ T7704] ipv6_find_idev+0x102/0x170 [15015.607831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15015.607831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15015.607831][ T7704] netlink_rcv_skb+0x130/0x360 [15015.607831][ T7704] netlink_unicast+0x449/0x710 [15015.607831][ T7704] netlink_sendmsg+0x723/0xbe0 [15015.607831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15015.607831][ T7704] ___sys_sendmsg+0xee/0x170 [15015.607831][ T7704] __sys_sendmsg+0xcd/0x170 [15015.607831][ T7704] do_syscall_64+0xc6/0x1e0 [15015.607831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15015.607831][ T7704] [15025.847003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15025.847734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15025.847734][ T7704] netdev_get_by_index+0x5e/0x80 [15025.847734][ T7704] fib6_nh_init+0x3d8/0x15b0 [15025.847734][ T7704] ip6_route_info_create+0xf18/0x17d0 [15025.847734][ T7704] ip6_route_add+0x1c/0x140 [15025.847734][ T7704] addrconf_prefix_route+0x2a6/0x430 [15025.847734][ T7704] inet6_addr_add+0x4f8/0xa40 [15025.847734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15025.847734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15025.847734][ T7704] netlink_rcv_skb+0x130/0x360 [15025.847734][ T7704] netlink_unicast+0x449/0x710 [15025.847734][ T7704] netlink_sendmsg+0x723/0xbe0 [15025.847734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15025.847734][ T7704] ___sys_sendmsg+0xee/0x170 [15025.847734][ T7704] __sys_sendmsg+0xcd/0x170 [15025.847734][ T7704] do_syscall_64+0xc6/0x1e0 [15025.847734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15025.847734][ T7704] [15025.850016][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15025.850016][ T7704] netdev_get_by_index+0x5e/0x80 [15025.850016][ T7704] fib6_nh_init+0x3d8/0x15b0 [15025.850016][ T7704] ip6_route_info_create+0xf18/0x17d0 [15025.850016][ T7704] addrconf_f6i_alloc+0x315/0x560 [15025.850016][ T7704] ipv6_add_addr+0x411/0x2000 [15025.850016][ T7704] inet6_addr_add+0x30e/0xa40 [15025.850016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15025.850016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15025.850016][ T7704] netlink_rcv_skb+0x130/0x360 [15025.850016][ T7704] netlink_unicast+0x449/0x710 [15025.850016][ T7704] netlink_sendmsg+0x723/0xbe0 [15025.850016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15025.850016][ T7704] ___sys_sendmsg+0xee/0x170 [15025.850016][ T7704] __sys_sendmsg+0xcd/0x170 [15025.850016][ T7704] do_syscall_64+0xc6/0x1e0 [15025.850016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15025.850016][ T7704] [15025.852240][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15025.852240][ T7704] netdev_get_by_index+0x5e/0x80 [15025.852240][ T7704] fib6_nh_init+0x3d8/0x15b0 [15025.852240][ T7704] ip6_route_info_create+0xf18/0x17d0 [15025.852240][ T7704] ip6_route_add+0x1c/0x140 [15025.852240][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15025.852240][ T7704] addrconf_add_dev+0xe2/0x170 [15025.852240][ T7704] inet6_addr_add+0x12f/0xa40 [15025.852240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15025.852240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15025.852240][ T7704] netlink_rcv_skb+0x130/0x360 [15025.852240][ T7704] netlink_unicast+0x449/0x710 [15025.852240][ T7704] netlink_sendmsg+0x723/0xbe0 [15025.852240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15025.852240][ T7704] ___sys_sendmsg+0xee/0x170 [15025.852240][ T7704] __sys_sendmsg+0xcd/0x170 [15025.852240][ T7704] do_syscall_64+0xc6/0x1e0 [15025.852240][ T7704] [15025.854368][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15025.854368][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15025.854368][ T7704] ipv6_find_idev+0x102/0x170 [15025.854368][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15025.854368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15025.854368][ T7704] netlink_rcv_skb+0x130/0x360 [15025.854368][ T7704] netlink_unicast+0x449/0x710 [15025.854368][ T7704] netlink_sendmsg+0x723/0xbe0 [15025.854368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15025.854368][ T7704] ___sys_sendmsg+0xee/0x170 [15025.854368][ T7704] __sys_sendmsg+0xcd/0x170 [15025.854368][ T7704] do_syscall_64+0xc6/0x1e0 [15025.854368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15025.854368][ T7704] [15025.856069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15025.856069][ T7704] neigh_parms_alloc+0x1e5/0x510 [15025.856069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15025.856069][ T7704] ipv6_find_idev+0x102/0x170 [15025.856069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15025.856069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15025.856069][ T7704] netlink_rcv_skb+0x130/0x360 [15025.856069][ T7704] netlink_unicast+0x449/0x710 [15025.856069][ T7704] netlink_sendmsg+0x723/0xbe0 [15025.856069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15025.856069][ T7704] ___sys_sendmsg+0xee/0x170 [15025.856069][ T7704] __sys_sendmsg+0xcd/0x170 [15025.856069][ T7704] do_syscall_64+0xc6/0x1e0 [15025.856069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15025.856069][ T7704] [15036.095028][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15036.095526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15036.095526][ T7704] netdev_get_by_index+0x5e/0x80 [15036.095526][ T7704] fib6_nh_init+0x3d8/0x15b0 [15036.095526][ T7704] ip6_route_info_create+0xf18/0x17d0 [15036.095526][ T7704] ip6_route_add+0x1c/0x140 [15036.095526][ T7704] addrconf_prefix_route+0x2a6/0x430 [15036.095526][ T7704] inet6_addr_add+0x4f8/0xa40 [15036.095526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15036.095526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15036.095526][ T7704] netlink_rcv_skb+0x130/0x360 [15036.095526][ T7704] netlink_unicast+0x449/0x710 [15036.095526][ T7704] netlink_sendmsg+0x723/0xbe0 [15036.095526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15036.095526][ T7704] ___sys_sendmsg+0xee/0x170 [15036.095526][ T7704] __sys_sendmsg+0xcd/0x170 [15036.095526][ T7704] do_syscall_64+0xc6/0x1e0 [15036.095526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15036.095526][ T7704] [15036.097778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15036.097778][ T7704] netdev_get_by_index+0x5e/0x80 [15036.097778][ T7704] fib6_nh_init+0x3d8/0x15b0 [15036.097778][ T7704] ip6_route_info_create+0xf18/0x17d0 [15036.097778][ T7704] addrconf_f6i_alloc+0x315/0x560 [15036.097778][ T7704] ipv6_add_addr+0x411/0x2000 [15036.097778][ T7704] inet6_addr_add+0x30e/0xa40 [15036.097778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15036.097778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15036.097778][ T7704] netlink_rcv_skb+0x130/0x360 [15036.097778][ T7704] netlink_unicast+0x449/0x710 [15036.097778][ T7704] netlink_sendmsg+0x723/0xbe0 [15036.097778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15036.097778][ T7704] ___sys_sendmsg+0xee/0x170 [15036.097778][ T7704] __sys_sendmsg+0xcd/0x170 [15036.097778][ T7704] do_syscall_64+0xc6/0x1e0 [15036.097778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15036.097778][ T7704] [15036.099953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15036.099953][ T7704] netdev_get_by_index+0x5e/0x80 [15036.099953][ T7704] fib6_nh_init+0x3d8/0x15b0 [15036.099953][ T7704] ip6_route_info_create+0xf18/0x17d0 [15036.099953][ T7704] ip6_route_add+0x1c/0x140 [15036.099953][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15036.099953][ T7704] addrconf_add_dev+0xe2/0x170 [15036.099953][ T7704] inet6_addr_add+0x12f/0xa40 [15036.099953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15036.099953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15036.099953][ T7704] netlink_rcv_skb+0x130/0x360 [15036.099953][ T7704] netlink_unicast+0x449/0x710 [15036.099953][ T7704] netlink_sendmsg+0x723/0xbe0 [15036.099953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15036.099953][ T7704] ___sys_sendmsg+0xee/0x170 [15036.099953][ T7704] __sys_sendmsg+0xcd/0x170 [15036.099953][ T7704] do_syscall_64+0xc6/0x1e0 [15036.099953][ T7704] [15036.102074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15036.102074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15036.102074][ T7704] ipv6_find_idev+0x102/0x170 [15036.102074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15036.102074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15036.102074][ T7704] netlink_rcv_skb+0x130/0x360 [15036.102074][ T7704] netlink_unicast+0x449/0x710 [15036.102074][ T7704] netlink_sendmsg+0x723/0xbe0 [15036.102074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15036.102074][ T7704] ___sys_sendmsg+0xee/0x170 [15036.102074][ T7704] __sys_sendmsg+0xcd/0x170 [15036.102074][ T7704] do_syscall_64+0xc6/0x1e0 [15036.102074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15036.102074][ T7704] [15036.103746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15036.103746][ T7704] neigh_parms_alloc+0x1e5/0x510 [15036.103746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15036.103746][ T7704] ipv6_find_idev+0x102/0x170 [15036.103746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15036.103746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15036.103746][ T7704] netlink_rcv_skb+0x130/0x360 [15036.103746][ T7704] netlink_unicast+0x449/0x710 [15036.103746][ T7704] netlink_sendmsg+0x723/0xbe0 [15036.103746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15036.103746][ T7704] ___sys_sendmsg+0xee/0x170 [15036.103746][ T7704] __sys_sendmsg+0xcd/0x170 [15036.103746][ T7704] do_syscall_64+0xc6/0x1e0 [15036.103746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15036.103746][ T7704] [15046.343004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15046.343683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15046.343683][ T7704] netdev_get_by_index+0x5e/0x80 [15046.343683][ T7704] fib6_nh_init+0x3d8/0x15b0 [15046.343683][ T7704] ip6_route_info_create+0xf18/0x17d0 [15046.343683][ T7704] ip6_route_add+0x1c/0x140 [15046.343683][ T7704] addrconf_prefix_route+0x2a6/0x430 [15046.343683][ T7704] inet6_addr_add+0x4f8/0xa40 [15046.343683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15046.343683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15046.343683][ T7704] netlink_rcv_skb+0x130/0x360 [15046.343683][ T7704] netlink_unicast+0x449/0x710 [15046.343683][ T7704] netlink_sendmsg+0x723/0xbe0 [15046.343683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15046.343683][ T7704] ___sys_sendmsg+0xee/0x170 [15046.343683][ T7704] __sys_sendmsg+0xcd/0x170 [15046.343683][ T7704] do_syscall_64+0xc6/0x1e0 [15046.343683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15046.343683][ T7704] [15046.345948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15046.345948][ T7704] netdev_get_by_index+0x5e/0x80 [15046.345948][ T7704] fib6_nh_init+0x3d8/0x15b0 [15046.345948][ T7704] ip6_route_info_create+0xf18/0x17d0 [15046.345948][ T7704] addrconf_f6i_alloc+0x315/0x560 [15046.345948][ T7704] ipv6_add_addr+0x411/0x2000 [15046.345948][ T7704] inet6_addr_add+0x30e/0xa40 [15046.345948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15046.345948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15046.345948][ T7704] netlink_rcv_skb+0x130/0x360 [15046.345948][ T7704] netlink_unicast+0x449/0x710 [15046.345948][ T7704] netlink_sendmsg+0x723/0xbe0 [15046.345948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15046.345948][ T7704] ___sys_sendmsg+0xee/0x170 [15046.345948][ T7704] __sys_sendmsg+0xcd/0x170 [15046.345948][ T7704] do_syscall_64+0xc6/0x1e0 [15046.345948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15046.345948][ T7704] [15046.348131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15046.348131][ T7704] netdev_get_by_index+0x5e/0x80 [15046.348131][ T7704] fib6_nh_init+0x3d8/0x15b0 [15046.348131][ T7704] ip6_route_info_create+0xf18/0x17d0 [15046.348131][ T7704] ip6_route_add+0x1c/0x140 [15046.348131][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15046.348131][ T7704] addrconf_add_dev+0xe2/0x170 [15046.348131][ T7704] inet6_addr_add+0x12f/0xa40 [15046.348131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15046.348131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15046.348131][ T7704] netlink_rcv_skb+0x130/0x360 [15046.348131][ T7704] netlink_unicast+0x449/0x710 [15046.348131][ T7704] netlink_sendmsg+0x723/0xbe0 [15046.348131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15046.348131][ T7704] ___sys_sendmsg+0xee/0x170 [15046.348131][ T7704] __sys_sendmsg+0xcd/0x170 [15046.348131][ T7704] do_syscall_64+0xc6/0x1e0 [15046.348131][ T7704] [15046.350316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15046.350316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15046.350316][ T7704] ipv6_find_idev+0x102/0x170 [15046.350316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15046.350316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15046.350316][ T7704] netlink_rcv_skb+0x130/0x360 [15046.350316][ T7704] netlink_unicast+0x449/0x710 [15046.350316][ T7704] netlink_sendmsg+0x723/0xbe0 [15046.350316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15046.350316][ T7704] ___sys_sendmsg+0xee/0x170 [15046.350316][ T7704] __sys_sendmsg+0xcd/0x170 [15046.350316][ T7704] do_syscall_64+0xc6/0x1e0 [15046.350316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15046.350316][ T7704] [15046.351984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15046.351984][ T7704] neigh_parms_alloc+0x1e5/0x510 [15046.351984][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15046.351984][ T7704] ipv6_find_idev+0x102/0x170 [15046.351984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15046.351984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15046.351984][ T7704] netlink_rcv_skb+0x130/0x360 [15046.351984][ T7704] netlink_unicast+0x449/0x710 [15046.351984][ T7704] netlink_sendmsg+0x723/0xbe0 [15046.351984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15046.351984][ T7704] ___sys_sendmsg+0xee/0x170 [15046.351984][ T7704] __sys_sendmsg+0xcd/0x170 [15046.351984][ T7704] do_syscall_64+0xc6/0x1e0 [15046.351984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15046.351984][ T7704] [15056.374967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15056.375474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15056.375474][ T7704] netdev_get_by_index+0x5e/0x80 [15056.375474][ T7704] fib6_nh_init+0x3d8/0x15b0 [15056.375474][ T7704] ip6_route_info_create+0xf18/0x17d0 [15056.375474][ T7704] ip6_route_add+0x1c/0x140 [15056.375474][ T7704] addrconf_prefix_route+0x2a6/0x430 [15056.375474][ T7704] inet6_addr_add+0x4f8/0xa40 [15056.375474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15056.375474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15056.375474][ T7704] netlink_rcv_skb+0x130/0x360 [15056.375474][ T7704] netlink_unicast+0x449/0x710 [15056.375474][ T7704] netlink_sendmsg+0x723/0xbe0 [15056.375474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15056.375474][ T7704] ___sys_sendmsg+0xee/0x170 [15056.375474][ T7704] __sys_sendmsg+0xcd/0x170 [15056.375474][ T7704] do_syscall_64+0xc6/0x1e0 [15056.375474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15056.375474][ T7704] [15056.377720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15056.377720][ T7704] netdev_get_by_index+0x5e/0x80 [15056.377720][ T7704] fib6_nh_init+0x3d8/0x15b0 [15056.377720][ T7704] ip6_route_info_create+0xf18/0x17d0 [15056.377720][ T7704] addrconf_f6i_alloc+0x315/0x560 [15056.377720][ T7704] ipv6_add_addr+0x411/0x2000 [15056.377720][ T7704] inet6_addr_add+0x30e/0xa40 [15056.377720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15056.377720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15056.377720][ T7704] netlink_rcv_skb+0x130/0x360 [15056.377720][ T7704] netlink_unicast+0x449/0x710 [15056.377720][ T7704] netlink_sendmsg+0x723/0xbe0 [15056.377720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15056.377720][ T7704] ___sys_sendmsg+0xee/0x170 [15056.377720][ T7704] __sys_sendmsg+0xcd/0x170 [15056.377720][ T7704] do_syscall_64+0xc6/0x1e0 [15056.377720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15056.377720][ T7704] [15056.379984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15056.379984][ T7704] netdev_get_by_index+0x5e/0x80 [15056.379984][ T7704] fib6_nh_init+0x3d8/0x15b0 [15056.379984][ T7704] ip6_route_info_create+0xf18/0x17d0 [15056.379984][ T7704] ip6_route_add+0x1c/0x140 [15056.379984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15056.379984][ T7704] addrconf_add_dev+0xe2/0x170 [15056.379984][ T7704] inet6_addr_add+0x12f/0xa40 [15056.379984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15056.379984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15056.379984][ T7704] netlink_rcv_skb+0x130/0x360 [15056.379984][ T7704] netlink_unicast+0x449/0x710 [15056.379984][ T7704] netlink_sendmsg+0x723/0xbe0 [15056.379984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15056.379984][ T7704] ___sys_sendmsg+0xee/0x170 [15056.379984][ T7704] __sys_sendmsg+0xcd/0x170 [15056.379984][ T7704] do_syscall_64+0xc6/0x1e0 [15056.379984][ T7704] [15056.382193][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15056.382193][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15056.382193][ T7704] ipv6_find_idev+0x102/0x170 [15056.382193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15056.382193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15056.382193][ T7704] netlink_rcv_skb+0x130/0x360 [15056.382193][ T7704] netlink_unicast+0x449/0x710 [15056.382193][ T7704] netlink_sendmsg+0x723/0xbe0 [15056.382193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15056.382193][ T7704] ___sys_sendmsg+0xee/0x170 [15056.382193][ T7704] __sys_sendmsg+0xcd/0x170 [15056.382193][ T7704] do_syscall_64+0xc6/0x1e0 [15056.382193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15056.382193][ T7704] [15056.383896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15056.383896][ T7704] neigh_parms_alloc+0x1e5/0x510 [15056.383896][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15056.383896][ T7704] ipv6_find_idev+0x102/0x170 [15056.383896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15056.383896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15056.383896][ T7704] netlink_rcv_skb+0x130/0x360 [15056.383896][ T7704] netlink_unicast+0x449/0x710 [15056.383896][ T7704] netlink_sendmsg+0x723/0xbe0 [15056.383896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15056.383896][ T7704] ___sys_sendmsg+0xee/0x170 [15056.383896][ T7704] __sys_sendmsg+0xcd/0x170 [15056.383896][ T7704] do_syscall_64+0xc6/0x1e0 [15056.383896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15056.383896][ T7704] [15066.622999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15066.623690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15066.623690][ T7704] netdev_get_by_index+0x5e/0x80 [15066.623690][ T7704] fib6_nh_init+0x3d8/0x15b0 [15066.623690][ T7704] ip6_route_info_create+0xf18/0x17d0 [15066.623690][ T7704] ip6_route_add+0x1c/0x140 [15066.623690][ T7704] addrconf_prefix_route+0x2a6/0x430 [15066.623690][ T7704] inet6_addr_add+0x4f8/0xa40 [15066.623690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15066.623690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15066.623690][ T7704] netlink_rcv_skb+0x130/0x360 [15066.623690][ T7704] netlink_unicast+0x449/0x710 [15066.623690][ T7704] netlink_sendmsg+0x723/0xbe0 [15066.623690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15066.623690][ T7704] ___sys_sendmsg+0xee/0x170 [15066.623690][ T7704] __sys_sendmsg+0xcd/0x170 [15066.623690][ T7704] do_syscall_64+0xc6/0x1e0 [15066.623690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15066.623690][ T7704] [15066.625904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15066.625904][ T7704] netdev_get_by_index+0x5e/0x80 [15066.625904][ T7704] fib6_nh_init+0x3d8/0x15b0 [15066.625904][ T7704] ip6_route_info_create+0xf18/0x17d0 [15066.625904][ T7704] addrconf_f6i_alloc+0x315/0x560 [15066.625904][ T7704] ipv6_add_addr+0x411/0x2000 [15066.625904][ T7704] inet6_addr_add+0x30e/0xa40 [15066.625904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15066.625904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15066.625904][ T7704] netlink_rcv_skb+0x130/0x360 [15066.625904][ T7704] netlink_unicast+0x449/0x710 [15066.625904][ T7704] netlink_sendmsg+0x723/0xbe0 [15066.625904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15066.625904][ T7704] ___sys_sendmsg+0xee/0x170 [15066.625904][ T7704] __sys_sendmsg+0xcd/0x170 [15066.625904][ T7704] do_syscall_64+0xc6/0x1e0 [15066.625904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15066.625904][ T7704] [15066.628171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15066.628171][ T7704] netdev_get_by_index+0x5e/0x80 [15066.628171][ T7704] fib6_nh_init+0x3d8/0x15b0 [15066.628171][ T7704] ip6_route_info_create+0xf18/0x17d0 [15066.628171][ T7704] ip6_route_add+0x1c/0x140 [15066.628171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15066.628171][ T7704] addrconf_add_dev+0xe2/0x170 [15066.628171][ T7704] inet6_addr_add+0x12f/0xa40 [15066.628171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15066.628171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15066.628171][ T7704] netlink_rcv_skb+0x130/0x360 [15066.628171][ T7704] netlink_unicast+0x449/0x710 [15066.628171][ T7704] netlink_sendmsg+0x723/0xbe0 [15066.628171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15066.628171][ T7704] ___sys_sendmsg+0xee/0x170 [15066.628171][ T7704] __sys_sendmsg+0xcd/0x170 [15066.628171][ T7704] do_syscall_64+0xc6/0x1e0 [15066.628171][ T7704] [15066.630396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15066.630396][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15066.630396][ T7704] ipv6_find_idev+0x102/0x170 [15066.630396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15066.630396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15066.630396][ T7704] netlink_rcv_skb+0x130/0x360 [15066.630396][ T7704] netlink_unicast+0x449/0x710 [15066.630396][ T7704] netlink_sendmsg+0x723/0xbe0 [15066.630396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15066.630396][ T7704] ___sys_sendmsg+0xee/0x170 [15066.630396][ T7704] __sys_sendmsg+0xcd/0x170 [15066.630396][ T7704] do_syscall_64+0xc6/0x1e0 [15066.630396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15066.630396][ T7704] [15066.632110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15066.632110][ T7704] neigh_parms_alloc+0x1e5/0x510 [15066.632110][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15066.632110][ T7704] ipv6_find_idev+0x102/0x170 [15066.632110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15066.632110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15066.632110][ T7704] netlink_rcv_skb+0x130/0x360 [15066.632110][ T7704] netlink_unicast+0x449/0x710 [15066.632110][ T7704] netlink_sendmsg+0x723/0xbe0 [15066.632110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15066.632110][ T7704] ___sys_sendmsg+0xee/0x170 [15066.632110][ T7704] __sys_sendmsg+0xcd/0x170 [15066.632110][ T7704] do_syscall_64+0xc6/0x1e0 [15066.632110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15066.632110][ T7704] [15076.870976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15076.871473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15076.871473][ T7704] netdev_get_by_index+0x5e/0x80 [15076.871473][ T7704] fib6_nh_init+0x3d8/0x15b0 [15076.871473][ T7704] ip6_route_info_create+0xf18/0x17d0 [15076.871473][ T7704] ip6_route_add+0x1c/0x140 [15076.871473][ T7704] addrconf_prefix_route+0x2a6/0x430 [15076.871473][ T7704] inet6_addr_add+0x4f8/0xa40 [15076.871473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15076.871473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15076.871473][ T7704] netlink_rcv_skb+0x130/0x360 [15076.871473][ T7704] netlink_unicast+0x449/0x710 [15076.871473][ T7704] netlink_sendmsg+0x723/0xbe0 [15076.871473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15076.871473][ T7704] ___sys_sendmsg+0xee/0x170 [15076.871473][ T7704] __sys_sendmsg+0xcd/0x170 [15076.871473][ T7704] do_syscall_64+0xc6/0x1e0 [15076.871473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15076.871473][ T7704] [15076.873718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15076.873718][ T7704] netdev_get_by_index+0x5e/0x80 [15076.873718][ T7704] fib6_nh_init+0x3d8/0x15b0 [15076.873718][ T7704] ip6_route_info_create+0xf18/0x17d0 [15076.873718][ T7704] addrconf_f6i_alloc+0x315/0x560 [15076.873718][ T7704] ipv6_add_addr+0x411/0x2000 [15076.873718][ T7704] inet6_addr_add+0x30e/0xa40 [15076.873718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15076.873718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15076.873718][ T7704] netlink_rcv_skb+0x130/0x360 [15076.873718][ T7704] netlink_unicast+0x449/0x710 [15076.873718][ T7704] netlink_sendmsg+0x723/0xbe0 [15076.873718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15076.873718][ T7704] ___sys_sendmsg+0xee/0x170 [15076.873718][ T7704] __sys_sendmsg+0xcd/0x170 [15076.873718][ T7704] do_syscall_64+0xc6/0x1e0 [15076.873718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15076.873718][ T7704] [15076.875945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15076.875945][ T7704] netdev_get_by_index+0x5e/0x80 [15076.875945][ T7704] fib6_nh_init+0x3d8/0x15b0 [15076.875945][ T7704] ip6_route_info_create+0xf18/0x17d0 [15076.875945][ T7704] ip6_route_add+0x1c/0x140 [15076.875945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15076.875945][ T7704] addrconf_add_dev+0xe2/0x170 [15076.875945][ T7704] inet6_addr_add+0x12f/0xa40 [15076.875945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15076.875945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15076.875945][ T7704] netlink_rcv_skb+0x130/0x360 [15076.875945][ T7704] netlink_unicast+0x449/0x710 [15076.875945][ T7704] netlink_sendmsg+0x723/0xbe0 [15076.875945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15076.875945][ T7704] ___sys_sendmsg+0xee/0x170 [15076.875945][ T7704] __sys_sendmsg+0xcd/0x170 [15076.875945][ T7704] do_syscall_64+0xc6/0x1e0 [15076.875945][ T7704] [15076.878117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15076.878117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15076.878117][ T7704] ipv6_find_idev+0x102/0x170 [15076.878117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15076.878117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15076.878117][ T7704] netlink_rcv_skb+0x130/0x360 [15076.878117][ T7704] netlink_unicast+0x449/0x710 [15076.878117][ T7704] netlink_sendmsg+0x723/0xbe0 [15076.878117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15076.878117][ T7704] ___sys_sendmsg+0xee/0x170 [15076.878117][ T7704] __sys_sendmsg+0xcd/0x170 [15076.878117][ T7704] do_syscall_64+0xc6/0x1e0 [15076.878117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15076.878117][ T7704] [15076.879848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15076.879848][ T7704] neigh_parms_alloc+0x1e5/0x510 [15076.879848][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15076.879848][ T7704] ipv6_find_idev+0x102/0x170 [15076.879848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15076.879848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15076.879848][ T7704] netlink_rcv_skb+0x130/0x360 [15076.879848][ T7704] netlink_unicast+0x449/0x710 [15076.879848][ T7704] netlink_sendmsg+0x723/0xbe0 [15076.879848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15076.879848][ T7704] ___sys_sendmsg+0xee/0x170 [15076.879848][ T7704] __sys_sendmsg+0xcd/0x170 [15076.879848][ T7704] do_syscall_64+0xc6/0x1e0 [15076.879848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15076.879848][ T7704] [15087.334965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15087.335639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15087.335639][ T7704] netdev_get_by_index+0x5e/0x80 [15087.335639][ T7704] fib6_nh_init+0x3d8/0x15b0 [15087.335639][ T7704] ip6_route_info_create+0xf18/0x17d0 [15087.335639][ T7704] ip6_route_add+0x1c/0x140 [15087.335639][ T7704] addrconf_prefix_route+0x2a6/0x430 [15087.335639][ T7704] inet6_addr_add+0x4f8/0xa40 [15087.335639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15087.335639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15087.335639][ T7704] netlink_rcv_skb+0x130/0x360 [15087.335639][ T7704] netlink_unicast+0x449/0x710 [15087.335639][ T7704] netlink_sendmsg+0x723/0xbe0 [15087.335639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15087.335639][ T7704] ___sys_sendmsg+0xee/0x170 [15087.335639][ T7704] __sys_sendmsg+0xcd/0x170 [15087.335639][ T7704] do_syscall_64+0xc6/0x1e0 [15087.335639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15087.335639][ T7704] [15087.339145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15087.339145][ T7704] netdev_get_by_index+0x5e/0x80 [15087.339145][ T7704] fib6_nh_init+0x3d8/0x15b0 [15087.339145][ T7704] ip6_route_info_create+0xf18/0x17d0 [15087.339145][ T7704] addrconf_f6i_alloc+0x315/0x560 [15087.339145][ T7704] ipv6_add_addr+0x411/0x2000 [15087.339145][ T7704] inet6_addr_add+0x30e/0xa40 [15087.339145][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15087.339145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15087.339145][ T7704] netlink_rcv_skb+0x130/0x360 [15087.339145][ T7704] netlink_unicast+0x449/0x710 [15087.339145][ T7704] netlink_sendmsg+0x723/0xbe0 [15087.339145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15087.339145][ T7704] ___sys_sendmsg+0xee/0x170 [15087.339145][ T7704] __sys_sendmsg+0xcd/0x170 [15087.339145][ T7704] do_syscall_64+0xc6/0x1e0 [15087.339145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15087.339145][ T7704] [15087.343509][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15087.343509][ T7704] netdev_get_by_index+0x5e/0x80 [15087.343509][ T7704] fib6_nh_init+0x3d8/0x15b0 [15087.343509][ T7704] ip6_route_info_create+0xf18/0x17d0 [15087.343509][ T7704] ip6_route_add+0x1c/0x140 [15087.343509][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15087.343509][ T7704] addrconf_add_dev+0xe2/0x170 [15087.343509][ T7704] inet6_addr_add+0x12f/0xa40 [15087.343509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15087.343509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15087.343509][ T7704] netlink_rcv_skb+0x130/0x360 [15087.343509][ T7704] netlink_unicast+0x449/0x710 [15087.343509][ T7704] netlink_sendmsg+0x723/0xbe0 [15087.343509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15087.343509][ T7704] ___sys_sendmsg+0xee/0x170 [15087.343509][ T7704] __sys_sendmsg+0xcd/0x170 [15087.343509][ T7704] do_syscall_64+0xc6/0x1e0 [15087.343509][ T7704] [15087.346919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15087.346919][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15087.346919][ T7704] ipv6_find_idev+0x102/0x170 [15087.346919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15087.346919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15087.346919][ T7704] netlink_rcv_skb+0x130/0x360 [15087.346919][ T7704] netlink_unicast+0x449/0x710 [15087.346919][ T7704] netlink_sendmsg+0x723/0xbe0 [15087.346919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15087.346919][ T7704] ___sys_sendmsg+0xee/0x170 [15087.346919][ T7704] __sys_sendmsg+0xcd/0x170 [15087.346919][ T7704] do_syscall_64+0xc6/0x1e0 [15087.346919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15087.346919][ T7704] [15087.349599][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15087.349599][ T7704] neigh_parms_alloc+0x1e5/0x510 [15087.349599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15087.349599][ T7704] ipv6_find_idev+0x102/0x170 [15087.349599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15087.349599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15087.349599][ T7704] netlink_rcv_skb+0x130/0x360 [15087.349599][ T7704] netlink_unicast+0x449/0x710 [15087.349599][ T7704] netlink_sendmsg+0x723/0xbe0 [15087.349599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15087.349599][ T7704] ___sys_sendmsg+0xee/0x170 [15087.349599][ T7704] __sys_sendmsg+0xcd/0x170 [15087.349599][ T7704] do_syscall_64+0xc6/0x1e0 [15087.349599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15087.349599][ T7704] [15097.590964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15097.591450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15097.591450][ T7704] netdev_get_by_index+0x5e/0x80 [15097.591450][ T7704] fib6_nh_init+0x3d8/0x15b0 [15097.591450][ T7704] ip6_route_info_create+0xf18/0x17d0 [15097.591450][ T7704] ip6_route_add+0x1c/0x140 [15097.591450][ T7704] addrconf_prefix_route+0x2a6/0x430 [15097.591450][ T7704] inet6_addr_add+0x4f8/0xa40 [15097.591450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15097.591450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15097.591450][ T7704] netlink_rcv_skb+0x130/0x360 [15097.591450][ T7704] netlink_unicast+0x449/0x710 [15097.591450][ T7704] netlink_sendmsg+0x723/0xbe0 [15097.591450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15097.591450][ T7704] ___sys_sendmsg+0xee/0x170 [15097.591450][ T7704] __sys_sendmsg+0xcd/0x170 [15097.591450][ T7704] do_syscall_64+0xc6/0x1e0 [15097.591450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15097.591450][ T7704] [15097.594112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15097.594112][ T7704] netdev_get_by_index+0x5e/0x80 [15097.594112][ T7704] fib6_nh_init+0x3d8/0x15b0 [15097.594112][ T7704] ip6_route_info_create+0xf18/0x17d0 [15097.594112][ T7704] addrconf_f6i_alloc+0x315/0x560 [15097.594112][ T7704] ipv6_add_addr+0x411/0x2000 [15097.594112][ T7704] inet6_addr_add+0x30e/0xa40 [15097.594112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15097.594112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15097.594112][ T7704] netlink_rcv_skb+0x130/0x360 [15097.594112][ T7704] netlink_unicast+0x449/0x710 [15097.594112][ T7704] netlink_sendmsg+0x723/0xbe0 [15097.594112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15097.594112][ T7704] ___sys_sendmsg+0xee/0x170 [15097.594112][ T7704] __sys_sendmsg+0xcd/0x170 [15097.594112][ T7704] do_syscall_64+0xc6/0x1e0 [15097.594112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15097.594112][ T7704] [15097.596337][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15097.596337][ T7704] netdev_get_by_index+0x5e/0x80 [15097.596337][ T7704] fib6_nh_init+0x3d8/0x15b0 [15097.596337][ T7704] ip6_route_info_create+0xf18/0x17d0 [15097.596337][ T7704] ip6_route_add+0x1c/0x140 [15097.596337][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15097.596337][ T7704] addrconf_add_dev+0xe2/0x170 [15097.596337][ T7704] inet6_addr_add+0x12f/0xa40 [15097.596337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15097.596337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15097.596337][ T7704] netlink_rcv_skb+0x130/0x360 [15097.596337][ T7704] netlink_unicast+0x449/0x710 [15097.596337][ T7704] netlink_sendmsg+0x723/0xbe0 [15097.596337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15097.596337][ T7704] ___sys_sendmsg+0xee/0x170 [15097.596337][ T7704] __sys_sendmsg+0xcd/0x170 [15097.596337][ T7704] do_syscall_64+0xc6/0x1e0 [15097.596337][ T7704] [15097.598513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15097.598513][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15097.598513][ T7704] ipv6_find_idev+0x102/0x170 [15097.598513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15097.598513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15097.598513][ T7704] netlink_rcv_skb+0x130/0x360 [15097.598513][ T7704] netlink_unicast+0x449/0x710 [15097.598513][ T7704] netlink_sendmsg+0x723/0xbe0 [15097.598513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15097.598513][ T7704] ___sys_sendmsg+0xee/0x170 [15097.598513][ T7704] __sys_sendmsg+0xcd/0x170 [15097.598513][ T7704] do_syscall_64+0xc6/0x1e0 [15097.598513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15097.598513][ T7704] [15097.600227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15097.600227][ T7704] neigh_parms_alloc+0x1e5/0x510 [15097.600227][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15097.600227][ T7704] ipv6_find_idev+0x102/0x170 [15097.600227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15097.600227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15097.600227][ T7704] netlink_rcv_skb+0x130/0x360 [15097.600227][ T7704] netlink_unicast+0x449/0x710 [15097.600227][ T7704] netlink_sendmsg+0x723/0xbe0 [15097.600227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15097.600227][ T7704] ___sys_sendmsg+0xee/0x170 [15097.600227][ T7704] __sys_sendmsg+0xcd/0x170 [15097.600227][ T7704] do_syscall_64+0xc6/0x1e0 [15097.600227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15097.600227][ T7704] [15107.838947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15107.839427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15107.839427][ T7704] netdev_get_by_index+0x5e/0x80 [15107.839427][ T7704] fib6_nh_init+0x3d8/0x15b0 [15107.839427][ T7704] ip6_route_info_create+0xf18/0x17d0 [15107.839427][ T7704] ip6_route_add+0x1c/0x140 [15107.839427][ T7704] addrconf_prefix_route+0x2a6/0x430 [15107.839427][ T7704] inet6_addr_add+0x4f8/0xa40 [15107.839427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15107.839427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15107.839427][ T7704] netlink_rcv_skb+0x130/0x360 [15107.839427][ T7704] netlink_unicast+0x449/0x710 [15107.839427][ T7704] netlink_sendmsg+0x723/0xbe0 [15107.839427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15107.839427][ T7704] ___sys_sendmsg+0xee/0x170 [15107.839427][ T7704] __sys_sendmsg+0xcd/0x170 [15107.839427][ T7704] do_syscall_64+0xc6/0x1e0 [15107.839427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15107.839427][ T7704] [15107.841678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15107.841678][ T7704] netdev_get_by_index+0x5e/0x80 [15107.841678][ T7704] fib6_nh_init+0x3d8/0x15b0 [15107.841678][ T7704] ip6_route_info_create+0xf18/0x17d0 [15107.841678][ T7704] addrconf_f6i_alloc+0x315/0x560 [15107.841678][ T7704] ipv6_add_addr+0x411/0x2000 [15107.841678][ T7704] inet6_addr_add+0x30e/0xa40 [15107.841678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15107.841678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15107.841678][ T7704] netlink_rcv_skb+0x130/0x360 [15107.841678][ T7704] netlink_unicast+0x449/0x710 [15107.841678][ T7704] netlink_sendmsg+0x723/0xbe0 [15107.841678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15107.841678][ T7704] ___sys_sendmsg+0xee/0x170 [15107.841678][ T7704] __sys_sendmsg+0xcd/0x170 [15107.841678][ T7704] do_syscall_64+0xc6/0x1e0 [15107.841678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15107.841678][ T7704] [15107.843908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15107.843908][ T7704] netdev_get_by_index+0x5e/0x80 [15107.843908][ T7704] fib6_nh_init+0x3d8/0x15b0 [15107.843908][ T7704] ip6_route_info_create+0xf18/0x17d0 [15107.843908][ T7704] ip6_route_add+0x1c/0x140 [15107.843908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15107.843908][ T7704] addrconf_add_dev+0xe2/0x170 [15107.843908][ T7704] inet6_addr_add+0x12f/0xa40 [15107.843908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15107.843908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15107.843908][ T7704] netlink_rcv_skb+0x130/0x360 [15107.843908][ T7704] netlink_unicast+0x449/0x710 [15107.843908][ T7704] netlink_sendmsg+0x723/0xbe0 [15107.843908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15107.843908][ T7704] ___sys_sendmsg+0xee/0x170 [15107.843908][ T7704] __sys_sendmsg+0xcd/0x170 [15107.843908][ T7704] do_syscall_64+0xc6/0x1e0 [15107.843908][ T7704] [15107.846095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15107.846095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15107.846095][ T7704] ipv6_find_idev+0x102/0x170 [15107.846095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15107.846095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15107.846095][ T7704] netlink_rcv_skb+0x130/0x360 [15107.846095][ T7704] netlink_unicast+0x449/0x710 [15107.846095][ T7704] netlink_sendmsg+0x723/0xbe0 [15107.846095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15107.846095][ T7704] ___sys_sendmsg+0xee/0x170 [15107.846095][ T7704] __sys_sendmsg+0xcd/0x170 [15107.846095][ T7704] do_syscall_64+0xc6/0x1e0 [15107.846095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15107.846095][ T7704] [15107.847803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15107.847803][ T7704] neigh_parms_alloc+0x1e5/0x510 [15107.847803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15107.847803][ T7704] ipv6_find_idev+0x102/0x170 [15107.847803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15107.847803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15107.847803][ T7704] netlink_rcv_skb+0x130/0x360 [15107.847803][ T7704] netlink_unicast+0x449/0x710 [15107.847803][ T7704] netlink_sendmsg+0x723/0xbe0 [15107.847803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15107.847803][ T7704] ___sys_sendmsg+0xee/0x170 [15107.847803][ T7704] __sys_sendmsg+0xcd/0x170 [15107.847803][ T7704] do_syscall_64+0xc6/0x1e0 [15107.847803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15107.847803][ T7704] [15118.095074][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15118.095852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15118.095852][ T7704] netdev_get_by_index+0x5e/0x80 [15118.095852][ T7704] fib6_nh_init+0x3d8/0x15b0 [15118.095852][ T7704] ip6_route_info_create+0xf18/0x17d0 [15118.095852][ T7704] ip6_route_add+0x1c/0x140 [15118.095852][ T7704] addrconf_prefix_route+0x2a6/0x430 [15118.095852][ T7704] inet6_addr_add+0x4f8/0xa40 [15118.095852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15118.095852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15118.095852][ T7704] netlink_rcv_skb+0x130/0x360 [15118.095852][ T7704] netlink_unicast+0x449/0x710 [15118.095852][ T7704] netlink_sendmsg+0x723/0xbe0 [15118.095852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15118.095852][ T7704] ___sys_sendmsg+0xee/0x170 [15118.095852][ T7704] __sys_sendmsg+0xcd/0x170 [15118.095852][ T7704] do_syscall_64+0xc6/0x1e0 [15118.095852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15118.095852][ T7704] [15118.098078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15118.098078][ T7704] netdev_get_by_index+0x5e/0x80 [15118.098078][ T7704] fib6_nh_init+0x3d8/0x15b0 [15118.098078][ T7704] ip6_route_info_create+0xf18/0x17d0 [15118.098078][ T7704] addrconf_f6i_alloc+0x315/0x560 [15118.098078][ T7704] ipv6_add_addr+0x411/0x2000 [15118.098078][ T7704] inet6_addr_add+0x30e/0xa40 [15118.098078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15118.098078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15118.098078][ T7704] netlink_rcv_skb+0x130/0x360 [15118.098078][ T7704] netlink_unicast+0x449/0x710 [15118.098078][ T7704] netlink_sendmsg+0x723/0xbe0 [15118.098078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15118.098078][ T7704] ___sys_sendmsg+0xee/0x170 [15118.098078][ T7704] __sys_sendmsg+0xcd/0x170 [15118.098078][ T7704] do_syscall_64+0xc6/0x1e0 [15118.098078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15118.098078][ T7704] [15118.100312][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15118.100312][ T7704] netdev_get_by_index+0x5e/0x80 [15118.100312][ T7704] fib6_nh_init+0x3d8/0x15b0 [15118.100312][ T7704] ip6_route_info_create+0xf18/0x17d0 [15118.100312][ T7704] ip6_route_add+0x1c/0x140 [15118.100312][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15118.100312][ T7704] addrconf_add_dev+0xe2/0x170 [15118.100312][ T7704] inet6_addr_add+0x12f/0xa40 [15118.100312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15118.100312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15118.100312][ T7704] netlink_rcv_skb+0x130/0x360 [15118.100312][ T7704] netlink_unicast+0x449/0x710 [15118.100312][ T7704] netlink_sendmsg+0x723/0xbe0 [15118.100312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15118.100312][ T7704] ___sys_sendmsg+0xee/0x170 [15118.100312][ T7704] __sys_sendmsg+0xcd/0x170 [15118.100312][ T7704] do_syscall_64+0xc6/0x1e0 [15118.100312][ T7704] [15118.102483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15118.102483][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15118.102483][ T7704] ipv6_find_idev+0x102/0x170 [15118.102483][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15118.102483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15118.102483][ T7704] netlink_rcv_skb+0x130/0x360 [15118.102483][ T7704] netlink_unicast+0x449/0x710 [15118.102483][ T7704] netlink_sendmsg+0x723/0xbe0 [15118.102483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15118.102483][ T7704] ___sys_sendmsg+0xee/0x170 [15118.102483][ T7704] __sys_sendmsg+0xcd/0x170 [15118.102483][ T7704] do_syscall_64+0xc6/0x1e0 [15118.102483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15118.102483][ T7704] [15118.104198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15118.104198][ T7704] neigh_parms_alloc+0x1e5/0x510 [15118.104198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15118.104198][ T7704] ipv6_find_idev+0x102/0x170 [15118.104198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15118.104198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15118.104198][ T7704] netlink_rcv_skb+0x130/0x360 [15118.104198][ T7704] netlink_unicast+0x449/0x710 [15118.104198][ T7704] netlink_sendmsg+0x723/0xbe0 [15118.104198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15118.104198][ T7704] ___sys_sendmsg+0xee/0x170 [15118.104198][ T7704] __sys_sendmsg+0xcd/0x170 [15118.104198][ T7704] do_syscall_64+0xc6/0x1e0 [15118.104198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15118.104198][ T7704] [15128.342870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15128.343344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15128.343344][ T7704] netdev_get_by_index+0x5e/0x80 [15128.343344][ T7704] fib6_nh_init+0x3d8/0x15b0 [15128.343344][ T7704] ip6_route_info_create+0xf18/0x17d0 [15128.343344][ T7704] ip6_route_add+0x1c/0x140 [15128.343344][ T7704] addrconf_prefix_route+0x2a6/0x430 [15128.343344][ T7704] inet6_addr_add+0x4f8/0xa40 [15128.343344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15128.343344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15128.343344][ T7704] netlink_rcv_skb+0x130/0x360 [15128.343344][ T7704] netlink_unicast+0x449/0x710 [15128.343344][ T7704] netlink_sendmsg+0x723/0xbe0 [15128.343344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15128.343344][ T7704] ___sys_sendmsg+0xee/0x170 [15128.343344][ T7704] __sys_sendmsg+0xcd/0x170 [15128.343344][ T7704] do_syscall_64+0xc6/0x1e0 [15128.343344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15128.343344][ T7704] [15128.345639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15128.345639][ T7704] netdev_get_by_index+0x5e/0x80 [15128.345639][ T7704] fib6_nh_init+0x3d8/0x15b0 [15128.345639][ T7704] ip6_route_info_create+0xf18/0x17d0 [15128.345639][ T7704] addrconf_f6i_alloc+0x315/0x560 [15128.345639][ T7704] ipv6_add_addr+0x411/0x2000 [15128.345639][ T7704] inet6_addr_add+0x30e/0xa40 [15128.345639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15128.345639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15128.345639][ T7704] netlink_rcv_skb+0x130/0x360 [15128.345639][ T7704] netlink_unicast+0x449/0x710 [15128.345639][ T7704] netlink_sendmsg+0x723/0xbe0 [15128.345639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15128.345639][ T7704] ___sys_sendmsg+0xee/0x170 [15128.345639][ T7704] __sys_sendmsg+0xcd/0x170 [15128.345639][ T7704] do_syscall_64+0xc6/0x1e0 [15128.345639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15128.345639][ T7704] [15128.347913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15128.347913][ T7704] netdev_get_by_index+0x5e/0x80 [15128.347913][ T7704] fib6_nh_init+0x3d8/0x15b0 [15128.347913][ T7704] ip6_route_info_create+0xf18/0x17d0 [15128.347913][ T7704] ip6_route_add+0x1c/0x140 [15128.347913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15128.347913][ T7704] addrconf_add_dev+0xe2/0x170 [15128.347913][ T7704] inet6_addr_add+0x12f/0xa40 [15128.347913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15128.347913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15128.347913][ T7704] netlink_rcv_skb+0x130/0x360 [15128.347913][ T7704] netlink_unicast+0x449/0x710 [15128.347913][ T7704] netlink_sendmsg+0x723/0xbe0 [15128.347913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15128.347913][ T7704] ___sys_sendmsg+0xee/0x170 [15128.347913][ T7704] __sys_sendmsg+0xcd/0x170 [15128.347913][ T7704] do_syscall_64+0xc6/0x1e0 [15128.347913][ T7704] [15128.350100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15128.350100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15128.350100][ T7704] ipv6_find_idev+0x102/0x170 [15128.350100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15128.350100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15128.350100][ T7704] netlink_rcv_skb+0x130/0x360 [15128.350100][ T7704] netlink_unicast+0x449/0x710 [15128.350100][ T7704] netlink_sendmsg+0x723/0xbe0 [15128.350100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15128.350100][ T7704] ___sys_sendmsg+0xee/0x170 [15128.350100][ T7704] __sys_sendmsg+0xcd/0x170 [15128.350100][ T7704] do_syscall_64+0xc6/0x1e0 [15128.350100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15128.350100][ T7704] [15128.351822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15128.351822][ T7704] neigh_parms_alloc+0x1e5/0x510 [15128.351822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15128.351822][ T7704] ipv6_find_idev+0x102/0x170 [15128.351822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15128.351822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15128.351822][ T7704] netlink_rcv_skb+0x130/0x360 [15128.351822][ T7704] netlink_unicast+0x449/0x710 [15128.351822][ T7704] netlink_sendmsg+0x723/0xbe0 [15128.351822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15128.351822][ T7704] ___sys_sendmsg+0xee/0x170 [15128.351822][ T7704] __sys_sendmsg+0xcd/0x170 [15128.351822][ T7704] do_syscall_64+0xc6/0x1e0 [15128.351822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15128.351822][ T7704] [15138.590991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15138.591486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15138.591486][ T7704] netdev_get_by_index+0x5e/0x80 [15138.591486][ T7704] fib6_nh_init+0x3d8/0x15b0 [15138.591486][ T7704] ip6_route_info_create+0xf18/0x17d0 [15138.591486][ T7704] ip6_route_add+0x1c/0x140 [15138.591486][ T7704] addrconf_prefix_route+0x2a6/0x430 [15138.591486][ T7704] inet6_addr_add+0x4f8/0xa40 [15138.591486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15138.591486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15138.591486][ T7704] netlink_rcv_skb+0x130/0x360 [15138.591486][ T7704] netlink_unicast+0x449/0x710 [15138.591486][ T7704] netlink_sendmsg+0x723/0xbe0 [15138.591486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15138.591486][ T7704] ___sys_sendmsg+0xee/0x170 [15138.591486][ T7704] __sys_sendmsg+0xcd/0x170 [15138.591486][ T7704] do_syscall_64+0xc6/0x1e0 [15138.591486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15138.591486][ T7704] [15138.594206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15138.594206][ T7704] netdev_get_by_index+0x5e/0x80 [15138.594206][ T7704] fib6_nh_init+0x3d8/0x15b0 [15138.594206][ T7704] ip6_route_info_create+0xf18/0x17d0 [15138.594206][ T7704] addrconf_f6i_alloc+0x315/0x560 [15138.594206][ T7704] ipv6_add_addr+0x411/0x2000 [15138.594206][ T7704] inet6_addr_add+0x30e/0xa40 [15138.594206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15138.594206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15138.594206][ T7704] netlink_rcv_skb+0x130/0x360 [15138.594206][ T7704] netlink_unicast+0x449/0x710 [15138.594206][ T7704] netlink_sendmsg+0x723/0xbe0 [15138.594206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15138.594206][ T7704] ___sys_sendmsg+0xee/0x170 [15138.594206][ T7704] __sys_sendmsg+0xcd/0x170 [15138.594206][ T7704] do_syscall_64+0xc6/0x1e0 [15138.594206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15138.594206][ T7704] [15138.596942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15138.596942][ T7704] netdev_get_by_index+0x5e/0x80 [15138.596942][ T7704] fib6_nh_init+0x3d8/0x15b0 [15138.596942][ T7704] ip6_route_info_create+0xf18/0x17d0 [15138.596942][ T7704] ip6_route_add+0x1c/0x140 [15138.596942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15138.596942][ T7704] addrconf_add_dev+0xe2/0x170 [15138.596942][ T7704] inet6_addr_add+0x12f/0xa40 [15138.596942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15138.596942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15138.596942][ T7704] netlink_rcv_skb+0x130/0x360 [15138.596942][ T7704] netlink_unicast+0x449/0x710 [15138.596942][ T7704] netlink_sendmsg+0x723/0xbe0 [15138.596942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15138.596942][ T7704] ___sys_sendmsg+0xee/0x170 [15138.596942][ T7704] __sys_sendmsg+0xcd/0x170 [15138.596942][ T7704] do_syscall_64+0xc6/0x1e0 [15138.596942][ T7704] [15138.599629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15138.599629][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15138.599629][ T7704] ipv6_find_idev+0x102/0x170 [15138.599629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15138.599629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15138.599629][ T7704] netlink_rcv_skb+0x130/0x360 [15138.599629][ T7704] netlink_unicast+0x449/0x710 [15138.599629][ T7704] netlink_sendmsg+0x723/0xbe0 [15138.599629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15138.599629][ T7704] ___sys_sendmsg+0xee/0x170 [15138.599629][ T7704] __sys_sendmsg+0xcd/0x170 [15138.599629][ T7704] do_syscall_64+0xc6/0x1e0 [15138.599629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15138.599629][ T7704] [15138.601727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15138.601727][ T7704] neigh_parms_alloc+0x1e5/0x510 [15138.601727][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15138.601727][ T7704] ipv6_find_idev+0x102/0x170 [15138.601727][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15138.601727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15138.601727][ T7704] netlink_rcv_skb+0x130/0x360 [15138.601727][ T7704] netlink_unicast+0x449/0x710 [15138.601727][ T7704] netlink_sendmsg+0x723/0xbe0 [15138.601727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15138.601727][ T7704] ___sys_sendmsg+0xee/0x170 [15138.601727][ T7704] __sys_sendmsg+0xcd/0x170 [15138.601727][ T7704] do_syscall_64+0xc6/0x1e0 [15138.601727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15138.601727][ T7704] [15148.846934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15148.847429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15148.847429][ T7704] netdev_get_by_index+0x5e/0x80 [15148.847429][ T7704] fib6_nh_init+0x3d8/0x15b0 [15148.847429][ T7704] ip6_route_info_create+0xf18/0x17d0 [15148.847429][ T7704] ip6_route_add+0x1c/0x140 [15148.847429][ T7704] addrconf_prefix_route+0x2a6/0x430 [15148.847429][ T7704] inet6_addr_add+0x4f8/0xa40 [15148.847429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15148.847429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15148.847429][ T7704] netlink_rcv_skb+0x130/0x360 [15148.847429][ T7704] netlink_unicast+0x449/0x710 [15148.847429][ T7704] netlink_sendmsg+0x723/0xbe0 [15148.847429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15148.847429][ T7704] ___sys_sendmsg+0xee/0x170 [15148.847429][ T7704] __sys_sendmsg+0xcd/0x170 [15148.847429][ T7704] do_syscall_64+0xc6/0x1e0 [15148.847429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15148.847429][ T7704] [15148.850554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15148.850554][ T7704] netdev_get_by_index+0x5e/0x80 [15148.850554][ T7704] fib6_nh_init+0x3d8/0x15b0 [15148.850554][ T7704] ip6_route_info_create+0xf18/0x17d0 [15148.850554][ T7704] addrconf_f6i_alloc+0x315/0x560 [15148.850554][ T7704] ipv6_add_addr+0x411/0x2000 [15148.850554][ T7704] inet6_addr_add+0x30e/0xa40 [15148.850554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15148.850554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15148.850554][ T7704] netlink_rcv_skb+0x130/0x360 [15148.850554][ T7704] netlink_unicast+0x449/0x710 [15148.850554][ T7704] netlink_sendmsg+0x723/0xbe0 [15148.850554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15148.850554][ T7704] ___sys_sendmsg+0xee/0x170 [15148.850554][ T7704] __sys_sendmsg+0xcd/0x170 [15148.850554][ T7704] do_syscall_64+0xc6/0x1e0 [15148.850554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15148.850554][ T7704] [15148.853272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15148.853272][ T7704] netdev_get_by_index+0x5e/0x80 [15148.853272][ T7704] fib6_nh_init+0x3d8/0x15b0 [15148.853272][ T7704] ip6_route_info_create+0xf18/0x17d0 [15148.853272][ T7704] ip6_route_add+0x1c/0x140 [15148.853272][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15148.853272][ T7704] addrconf_add_dev+0xe2/0x170 [15148.853272][ T7704] inet6_addr_add+0x12f/0xa40 [15148.853272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15148.853272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15148.853272][ T7704] netlink_rcv_skb+0x130/0x360 [15148.853272][ T7704] netlink_unicast+0x449/0x710 [15148.853272][ T7704] netlink_sendmsg+0x723/0xbe0 [15148.853272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15148.853272][ T7704] ___sys_sendmsg+0xee/0x170 [15148.853272][ T7704] __sys_sendmsg+0xcd/0x170 [15148.853272][ T7704] do_syscall_64+0xc6/0x1e0 [15148.853272][ T7704] [15148.855937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15148.855937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15148.855937][ T7704] ipv6_find_idev+0x102/0x170 [15148.855937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15148.855937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15148.855937][ T7704] netlink_rcv_skb+0x130/0x360 [15148.855937][ T7704] netlink_unicast+0x449/0x710 [15148.855937][ T7704] netlink_sendmsg+0x723/0xbe0 [15148.855937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15148.855937][ T7704] ___sys_sendmsg+0xee/0x170 [15148.855937][ T7704] __sys_sendmsg+0xcd/0x170 [15148.855937][ T7704] do_syscall_64+0xc6/0x1e0 [15148.855937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15148.855937][ T7704] [15148.858026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15148.858026][ T7704] neigh_parms_alloc+0x1e5/0x510 [15148.858026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15148.858026][ T7704] ipv6_find_idev+0x102/0x170 [15148.858026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15148.858026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15148.858026][ T7704] netlink_rcv_skb+0x130/0x360 [15148.858026][ T7704] netlink_unicast+0x449/0x710 [15148.858026][ T7704] netlink_sendmsg+0x723/0xbe0 [15148.858026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15148.858026][ T7704] ___sys_sendmsg+0xee/0x170 [15148.858026][ T7704] __sys_sendmsg+0xcd/0x170 [15148.858026][ T7704] do_syscall_64+0xc6/0x1e0 [15148.858026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15148.858026][ T7704] [15159.103021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15159.103894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15159.103894][ T7704] netdev_get_by_index+0x5e/0x80 [15159.103894][ T7704] fib6_nh_init+0x3d8/0x15b0 [15159.103894][ T7704] ip6_route_info_create+0xf18/0x17d0 [15159.103894][ T7704] ip6_route_add+0x1c/0x140 [15159.103894][ T7704] addrconf_prefix_route+0x2a6/0x430 [15159.103894][ T7704] inet6_addr_add+0x4f8/0xa40 [15159.103894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15159.103894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15159.103894][ T7704] netlink_rcv_skb+0x130/0x360 [15159.103894][ T7704] netlink_unicast+0x449/0x710 [15159.103894][ T7704] netlink_sendmsg+0x723/0xbe0 [15159.103894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15159.103894][ T7704] ___sys_sendmsg+0xee/0x170 [15159.103894][ T7704] __sys_sendmsg+0xcd/0x170 [15159.103894][ T7704] do_syscall_64+0xc6/0x1e0 [15159.103894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15159.103894][ T7704] [15159.106132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15159.106132][ T7704] netdev_get_by_index+0x5e/0x80 [15159.106132][ T7704] fib6_nh_init+0x3d8/0x15b0 [15159.106132][ T7704] ip6_route_info_create+0xf18/0x17d0 [15159.106132][ T7704] addrconf_f6i_alloc+0x315/0x560 [15159.106132][ T7704] ipv6_add_addr+0x411/0x2000 [15159.106132][ T7704] inet6_addr_add+0x30e/0xa40 [15159.106132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15159.106132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15159.106132][ T7704] netlink_rcv_skb+0x130/0x360 [15159.106132][ T7704] netlink_unicast+0x449/0x710 [15159.106132][ T7704] netlink_sendmsg+0x723/0xbe0 [15159.106132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15159.106132][ T7704] ___sys_sendmsg+0xee/0x170 [15159.106132][ T7704] __sys_sendmsg+0xcd/0x170 [15159.106132][ T7704] do_syscall_64+0xc6/0x1e0 [15159.106132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15159.106132][ T7704] [15159.108366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15159.108366][ T7704] netdev_get_by_index+0x5e/0x80 [15159.108366][ T7704] fib6_nh_init+0x3d8/0x15b0 [15159.108366][ T7704] ip6_route_info_create+0xf18/0x17d0 [15159.108366][ T7704] ip6_route_add+0x1c/0x140 [15159.108366][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15159.108366][ T7704] addrconf_add_dev+0xe2/0x170 [15159.108366][ T7704] inet6_addr_add+0x12f/0xa40 [15159.108366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15159.108366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15159.108366][ T7704] netlink_rcv_skb+0x130/0x360 [15159.108366][ T7704] netlink_unicast+0x449/0x710 [15159.108366][ T7704] netlink_sendmsg+0x723/0xbe0 [15159.108366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15159.108366][ T7704] ___sys_sendmsg+0xee/0x170 [15159.108366][ T7704] __sys_sendmsg+0xcd/0x170 [15159.108366][ T7704] do_syscall_64+0xc6/0x1e0 [15159.108366][ T7704] [15159.110564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15159.110564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15159.110564][ T7704] ipv6_find_idev+0x102/0x170 [15159.110564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15159.110564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15159.110564][ T7704] netlink_rcv_skb+0x130/0x360 [15159.110564][ T7704] netlink_unicast+0x449/0x710 [15159.110564][ T7704] netlink_sendmsg+0x723/0xbe0 [15159.110564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15159.110564][ T7704] ___sys_sendmsg+0xee/0x170 [15159.110564][ T7704] __sys_sendmsg+0xcd/0x170 [15159.110564][ T7704] do_syscall_64+0xc6/0x1e0 [15159.110564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15159.110564][ T7704] [15159.112255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15159.112255][ T7704] neigh_parms_alloc+0x1e5/0x510 [15159.112255][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15159.112255][ T7704] ipv6_find_idev+0x102/0x170 [15159.112255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15159.112255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15159.112255][ T7704] netlink_rcv_skb+0x130/0x360 [15159.112255][ T7704] netlink_unicast+0x449/0x710 [15159.112255][ T7704] netlink_sendmsg+0x723/0xbe0 [15159.112255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15159.112255][ T7704] ___sys_sendmsg+0xee/0x170 [15159.112255][ T7704] __sys_sendmsg+0xcd/0x170 [15159.112255][ T7704] do_syscall_64+0xc6/0x1e0 [15159.112255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15159.112255][ T7704] [15169.222943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15169.223453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15169.223453][ T7704] netdev_get_by_index+0x5e/0x80 [15169.223453][ T7704] fib6_nh_init+0x3d8/0x15b0 [15169.223453][ T7704] ip6_route_info_create+0xf18/0x17d0 [15169.223453][ T7704] ip6_route_add+0x1c/0x140 [15169.223453][ T7704] addrconf_prefix_route+0x2a6/0x430 [15169.223453][ T7704] inet6_addr_add+0x4f8/0xa40 [15169.223453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15169.223453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15169.223453][ T7704] netlink_rcv_skb+0x130/0x360 [15169.223453][ T7704] netlink_unicast+0x449/0x710 [15169.223453][ T7704] netlink_sendmsg+0x723/0xbe0 [15169.223453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15169.223453][ T7704] ___sys_sendmsg+0xee/0x170 [15169.223453][ T7704] __sys_sendmsg+0xcd/0x170 [15169.223453][ T7704] do_syscall_64+0xc6/0x1e0 [15169.223453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15169.223453][ T7704] [15169.225703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15169.225703][ T7704] netdev_get_by_index+0x5e/0x80 [15169.225703][ T7704] fib6_nh_init+0x3d8/0x15b0 [15169.225703][ T7704] ip6_route_info_create+0xf18/0x17d0 [15169.225703][ T7704] addrconf_f6i_alloc+0x315/0x560 [15169.225703][ T7704] ipv6_add_addr+0x411/0x2000 [15169.225703][ T7704] inet6_addr_add+0x30e/0xa40 [15169.225703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15169.225703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15169.225703][ T7704] netlink_rcv_skb+0x130/0x360 [15169.225703][ T7704] netlink_unicast+0x449/0x710 [15169.225703][ T7704] netlink_sendmsg+0x723/0xbe0 [15169.225703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15169.225703][ T7704] ___sys_sendmsg+0xee/0x170 [15169.225703][ T7704] __sys_sendmsg+0xcd/0x170 [15169.225703][ T7704] do_syscall_64+0xc6/0x1e0 [15169.225703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15169.225703][ T7704] [15169.228045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15169.228045][ T7704] netdev_get_by_index+0x5e/0x80 [15169.228045][ T7704] fib6_nh_init+0x3d8/0x15b0 [15169.228045][ T7704] ip6_route_info_create+0xf18/0x17d0 [15169.228045][ T7704] ip6_route_add+0x1c/0x140 [15169.228045][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15169.228045][ T7704] addrconf_add_dev+0xe2/0x170 [15169.228045][ T7704] inet6_addr_add+0x12f/0xa40 [15169.228045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15169.228045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15169.228045][ T7704] netlink_rcv_skb+0x130/0x360 [15169.228045][ T7704] netlink_unicast+0x449/0x710 [15169.228045][ T7704] netlink_sendmsg+0x723/0xbe0 [15169.228045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15169.228045][ T7704] ___sys_sendmsg+0xee/0x170 [15169.228045][ T7704] __sys_sendmsg+0xcd/0x170 [15169.228045][ T7704] do_syscall_64+0xc6/0x1e0 [15169.228045][ T7704] [15169.230243][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15169.230243][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15169.230243][ T7704] ipv6_find_idev+0x102/0x170 [15169.230243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15169.230243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15169.230243][ T7704] netlink_rcv_skb+0x130/0x360 [15169.230243][ T7704] netlink_unicast+0x449/0x710 [15169.230243][ T7704] netlink_sendmsg+0x723/0xbe0 [15169.230243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15169.230243][ T7704] ___sys_sendmsg+0xee/0x170 [15169.230243][ T7704] __sys_sendmsg+0xcd/0x170 [15169.230243][ T7704] do_syscall_64+0xc6/0x1e0 [15169.230243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15169.230243][ T7704] [15169.231950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15169.231950][ T7704] neigh_parms_alloc+0x1e5/0x510 [15169.231950][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15169.231950][ T7704] ipv6_find_idev+0x102/0x170 [15169.231950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15169.231950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15169.231950][ T7704] netlink_rcv_skb+0x130/0x360 [15169.231950][ T7704] netlink_unicast+0x449/0x710 [15169.231950][ T7704] netlink_sendmsg+0x723/0xbe0 [15169.231950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15169.231950][ T7704] ___sys_sendmsg+0xee/0x170 [15169.231950][ T7704] __sys_sendmsg+0xcd/0x170 [15169.231950][ T7704] do_syscall_64+0xc6/0x1e0 [15169.231950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15169.231950][ T7704] [15179.470953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15179.471446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15179.471446][ T7704] netdev_get_by_index+0x5e/0x80 [15179.471446][ T7704] fib6_nh_init+0x3d8/0x15b0 [15179.471446][ T7704] ip6_route_info_create+0xf18/0x17d0 [15179.471446][ T7704] ip6_route_add+0x1c/0x140 [15179.471446][ T7704] addrconf_prefix_route+0x2a6/0x430 [15179.471446][ T7704] inet6_addr_add+0x4f8/0xa40 [15179.471446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15179.471446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15179.471446][ T7704] netlink_rcv_skb+0x130/0x360 [15179.471446][ T7704] netlink_unicast+0x449/0x710 [15179.471446][ T7704] netlink_sendmsg+0x723/0xbe0 [15179.471446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15179.471446][ T7704] ___sys_sendmsg+0xee/0x170 [15179.471446][ T7704] __sys_sendmsg+0xcd/0x170 [15179.471446][ T7704] do_syscall_64+0xc6/0x1e0 [15179.471446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15179.471446][ T7704] [15179.473708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15179.473708][ T7704] netdev_get_by_index+0x5e/0x80 [15179.473708][ T7704] fib6_nh_init+0x3d8/0x15b0 [15179.473708][ T7704] ip6_route_info_create+0xf18/0x17d0 [15179.473708][ T7704] addrconf_f6i_alloc+0x315/0x560 [15179.473708][ T7704] ipv6_add_addr+0x411/0x2000 [15179.473708][ T7704] inet6_addr_add+0x30e/0xa40 [15179.473708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15179.473708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15179.473708][ T7704] netlink_rcv_skb+0x130/0x360 [15179.473708][ T7704] netlink_unicast+0x449/0x710 [15179.473708][ T7704] netlink_sendmsg+0x723/0xbe0 [15179.473708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15179.473708][ T7704] ___sys_sendmsg+0xee/0x170 [15179.473708][ T7704] __sys_sendmsg+0xcd/0x170 [15179.473708][ T7704] do_syscall_64+0xc6/0x1e0 [15179.473708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15179.473708][ T7704] [15179.475915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15179.475915][ T7704] netdev_get_by_index+0x5e/0x80 [15179.475915][ T7704] fib6_nh_init+0x3d8/0x15b0 [15179.475915][ T7704] ip6_route_info_create+0xf18/0x17d0 [15179.475915][ T7704] ip6_route_add+0x1c/0x140 [15179.475915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15179.475915][ T7704] addrconf_add_dev+0xe2/0x170 [15179.475915][ T7704] inet6_addr_add+0x12f/0xa40 [15179.475915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15179.475915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15179.475915][ T7704] netlink_rcv_skb+0x130/0x360 [15179.475915][ T7704] netlink_unicast+0x449/0x710 [15179.475915][ T7704] netlink_sendmsg+0x723/0xbe0 [15179.475915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15179.475915][ T7704] ___sys_sendmsg+0xee/0x170 [15179.475915][ T7704] __sys_sendmsg+0xcd/0x170 [15179.475915][ T7704] do_syscall_64+0xc6/0x1e0 [15179.475915][ T7704] [15179.478083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15179.478083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15179.478083][ T7704] ipv6_find_idev+0x102/0x170 [15179.478083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15179.478083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15179.478083][ T7704] netlink_rcv_skb+0x130/0x360 [15179.478083][ T7704] netlink_unicast+0x449/0x710 [15179.478083][ T7704] netlink_sendmsg+0x723/0xbe0 [15179.478083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15179.478083][ T7704] ___sys_sendmsg+0xee/0x170 [15179.478083][ T7704] __sys_sendmsg+0xcd/0x170 [15179.478083][ T7704] do_syscall_64+0xc6/0x1e0 [15179.478083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15179.478083][ T7704] [15179.479813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15179.479813][ T7704] neigh_parms_alloc+0x1e5/0x510 [15179.479813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15179.479813][ T7704] ipv6_find_idev+0x102/0x170 [15179.479813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15179.479813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15179.479813][ T7704] netlink_rcv_skb+0x130/0x360 [15179.479813][ T7704] netlink_unicast+0x449/0x710 [15179.479813][ T7704] netlink_sendmsg+0x723/0xbe0 [15179.479813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15179.479813][ T7704] ___sys_sendmsg+0xee/0x170 [15179.479813][ T7704] __sys_sendmsg+0xcd/0x170 [15179.479813][ T7704] do_syscall_64+0xc6/0x1e0 [15179.479813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15179.479813][ T7704] [15189.718950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15189.719446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15189.719446][ T7704] netdev_get_by_index+0x5e/0x80 [15189.719446][ T7704] fib6_nh_init+0x3d8/0x15b0 [15189.719446][ T7704] ip6_route_info_create+0xf18/0x17d0 [15189.719446][ T7704] ip6_route_add+0x1c/0x140 [15189.719446][ T7704] addrconf_prefix_route+0x2a6/0x430 [15189.719446][ T7704] inet6_addr_add+0x4f8/0xa40 [15189.719446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15189.719446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15189.719446][ T7704] netlink_rcv_skb+0x130/0x360 [15189.719446][ T7704] netlink_unicast+0x449/0x710 [15189.719446][ T7704] netlink_sendmsg+0x723/0xbe0 [15189.719446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15189.719446][ T7704] ___sys_sendmsg+0xee/0x170 [15189.719446][ T7704] __sys_sendmsg+0xcd/0x170 [15189.719446][ T7704] do_syscall_64+0xc6/0x1e0 [15189.719446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15189.719446][ T7704] [15189.721699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15189.721699][ T7704] netdev_get_by_index+0x5e/0x80 [15189.721699][ T7704] fib6_nh_init+0x3d8/0x15b0 [15189.721699][ T7704] ip6_route_info_create+0xf18/0x17d0 [15189.721699][ T7704] addrconf_f6i_alloc+0x315/0x560 [15189.721699][ T7704] ipv6_add_addr+0x411/0x2000 [15189.721699][ T7704] inet6_addr_add+0x30e/0xa40 [15189.721699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15189.721699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15189.721699][ T7704] netlink_rcv_skb+0x130/0x360 [15189.721699][ T7704] netlink_unicast+0x449/0x710 [15189.721699][ T7704] netlink_sendmsg+0x723/0xbe0 [15189.721699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15189.721699][ T7704] ___sys_sendmsg+0xee/0x170 [15189.721699][ T7704] __sys_sendmsg+0xcd/0x170 [15189.721699][ T7704] do_syscall_64+0xc6/0x1e0 [15189.721699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15189.721699][ T7704] [15189.723915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15189.723915][ T7704] netdev_get_by_index+0x5e/0x80 [15189.723915][ T7704] fib6_nh_init+0x3d8/0x15b0 [15189.723915][ T7704] ip6_route_info_create+0xf18/0x17d0 [15189.723915][ T7704] ip6_route_add+0x1c/0x140 [15189.723915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15189.723915][ T7704] addrconf_add_dev+0xe2/0x170 [15189.723915][ T7704] inet6_addr_add+0x12f/0xa40 [15189.723915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15189.723915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15189.723915][ T7704] netlink_rcv_skb+0x130/0x360 [15189.723915][ T7704] netlink_unicast+0x449/0x710 [15189.723915][ T7704] netlink_sendmsg+0x723/0xbe0 [15189.723915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15189.723915][ T7704] ___sys_sendmsg+0xee/0x170 [15189.723915][ T7704] __sys_sendmsg+0xcd/0x170 [15189.723915][ T7704] do_syscall_64+0xc6/0x1e0 [15189.723915][ T7704] [15189.726087][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15189.726087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15189.726087][ T7704] ipv6_find_idev+0x102/0x170 [15189.726087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15189.726087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15189.726087][ T7704] netlink_rcv_skb+0x130/0x360 [15189.726087][ T7704] netlink_unicast+0x449/0x710 [15189.726087][ T7704] netlink_sendmsg+0x723/0xbe0 [15189.726087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15189.726087][ T7704] ___sys_sendmsg+0xee/0x170 [15189.726087][ T7704] __sys_sendmsg+0xcd/0x170 [15189.726087][ T7704] do_syscall_64+0xc6/0x1e0 [15189.726087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15189.726087][ T7704] [15189.727793][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15189.727793][ T7704] neigh_parms_alloc+0x1e5/0x510 [15189.727793][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15189.727793][ T7704] ipv6_find_idev+0x102/0x170 [15189.727793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15189.727793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15189.727793][ T7704] netlink_rcv_skb+0x130/0x360 [15189.727793][ T7704] netlink_unicast+0x449/0x710 [15189.727793][ T7704] netlink_sendmsg+0x723/0xbe0 [15189.727793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15189.727793][ T7704] ___sys_sendmsg+0xee/0x170 [15189.727793][ T7704] __sys_sendmsg+0xcd/0x170 [15189.727793][ T7704] do_syscall_64+0xc6/0x1e0 [15189.727793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15189.727793][ T7704] [15199.966945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15199.967419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15199.967419][ T7704] netdev_get_by_index+0x5e/0x80 [15199.967419][ T7704] fib6_nh_init+0x3d8/0x15b0 [15199.967419][ T7704] ip6_route_info_create+0xf18/0x17d0 [15199.967419][ T7704] ip6_route_add+0x1c/0x140 [15199.967419][ T7704] addrconf_prefix_route+0x2a6/0x430 [15199.967419][ T7704] inet6_addr_add+0x4f8/0xa40 [15199.967419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15199.967419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15199.967419][ T7704] netlink_rcv_skb+0x130/0x360 [15199.967419][ T7704] netlink_unicast+0x449/0x710 [15199.967419][ T7704] netlink_sendmsg+0x723/0xbe0 [15199.967419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15199.967419][ T7704] ___sys_sendmsg+0xee/0x170 [15199.967419][ T7704] __sys_sendmsg+0xcd/0x170 [15199.967419][ T7704] do_syscall_64+0xc6/0x1e0 [15199.967419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15199.967419][ T7704] [15199.969680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15199.969680][ T7704] netdev_get_by_index+0x5e/0x80 [15199.969680][ T7704] fib6_nh_init+0x3d8/0x15b0 [15199.969680][ T7704] ip6_route_info_create+0xf18/0x17d0 [15199.969680][ T7704] addrconf_f6i_alloc+0x315/0x560 [15199.969680][ T7704] ipv6_add_addr+0x411/0x2000 [15199.969680][ T7704] inet6_addr_add+0x30e/0xa40 [15199.969680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15199.969680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15199.969680][ T7704] netlink_rcv_skb+0x130/0x360 [15199.969680][ T7704] netlink_unicast+0x449/0x710 [15199.969680][ T7704] netlink_sendmsg+0x723/0xbe0 [15199.969680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15199.969680][ T7704] ___sys_sendmsg+0xee/0x170 [15199.969680][ T7704] __sys_sendmsg+0xcd/0x170 [15199.969680][ T7704] do_syscall_64+0xc6/0x1e0 [15199.969680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15199.969680][ T7704] [15199.971919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15199.971919][ T7704] netdev_get_by_index+0x5e/0x80 [15199.971919][ T7704] fib6_nh_init+0x3d8/0x15b0 [15199.971919][ T7704] ip6_route_info_create+0xf18/0x17d0 [15199.971919][ T7704] ip6_route_add+0x1c/0x140 [15199.971919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15199.971919][ T7704] addrconf_add_dev+0xe2/0x170 [15199.971919][ T7704] inet6_addr_add+0x12f/0xa40 [15199.971919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15199.971919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15199.971919][ T7704] netlink_rcv_skb+0x130/0x360 [15199.971919][ T7704] netlink_unicast+0x449/0x710 [15199.971919][ T7704] netlink_sendmsg+0x723/0xbe0 [15199.971919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15199.971919][ T7704] ___sys_sendmsg+0xee/0x170 [15199.971919][ T7704] __sys_sendmsg+0xcd/0x170 [15199.971919][ T7704] do_syscall_64+0xc6/0x1e0 [15199.971919][ T7704] [15199.974104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15199.974104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15199.974104][ T7704] ipv6_find_idev+0x102/0x170 [15199.974104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15199.974104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15199.974104][ T7704] netlink_rcv_skb+0x130/0x360 [15199.974104][ T7704] netlink_unicast+0x449/0x710 [15199.974104][ T7704] netlink_sendmsg+0x723/0xbe0 [15199.974104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15199.974104][ T7704] ___sys_sendmsg+0xee/0x170 [15199.974104][ T7704] __sys_sendmsg+0xcd/0x170 [15199.974104][ T7704] do_syscall_64+0xc6/0x1e0 [15199.974104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15199.974104][ T7704] [15199.975823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15199.975823][ T7704] neigh_parms_alloc+0x1e5/0x510 [15199.975823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15199.975823][ T7704] ipv6_find_idev+0x102/0x170 [15199.975823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15199.975823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15199.975823][ T7704] netlink_rcv_skb+0x130/0x360 [15199.975823][ T7704] netlink_unicast+0x449/0x710 [15199.975823][ T7704] netlink_sendmsg+0x723/0xbe0 [15199.975823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15199.975823][ T7704] ___sys_sendmsg+0xee/0x170 [15199.975823][ T7704] __sys_sendmsg+0xcd/0x170 [15199.975823][ T7704] do_syscall_64+0xc6/0x1e0 [15199.975823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15199.975823][ T7704] [15210.215010][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15210.215860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15210.215860][ T7704] netdev_get_by_index+0x5e/0x80 [15210.215860][ T7704] fib6_nh_init+0x3d8/0x15b0 [15210.215860][ T7704] ip6_route_info_create+0xf18/0x17d0 [15210.215860][ T7704] ip6_route_add+0x1c/0x140 [15210.215860][ T7704] addrconf_prefix_route+0x2a6/0x430 [15210.215860][ T7704] inet6_addr_add+0x4f8/0xa40 [15210.215860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15210.215860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15210.215860][ T7704] netlink_rcv_skb+0x130/0x360 [15210.215860][ T7704] netlink_unicast+0x449/0x710 [15210.215860][ T7704] netlink_sendmsg+0x723/0xbe0 [15210.215860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15210.215860][ T7704] ___sys_sendmsg+0xee/0x170 [15210.215860][ T7704] __sys_sendmsg+0xcd/0x170 [15210.215860][ T7704] do_syscall_64+0xc6/0x1e0 [15210.215860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15210.215860][ T7704] [15210.218104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15210.218104][ T7704] netdev_get_by_index+0x5e/0x80 [15210.218104][ T7704] fib6_nh_init+0x3d8/0x15b0 [15210.218104][ T7704] ip6_route_info_create+0xf18/0x17d0 [15210.218104][ T7704] addrconf_f6i_alloc+0x315/0x560 [15210.218104][ T7704] ipv6_add_addr+0x411/0x2000 [15210.218104][ T7704] inet6_addr_add+0x30e/0xa40 [15210.218104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15210.218104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15210.218104][ T7704] netlink_rcv_skb+0x130/0x360 [15210.218104][ T7704] netlink_unicast+0x449/0x710 [15210.218104][ T7704] netlink_sendmsg+0x723/0xbe0 [15210.218104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15210.218104][ T7704] ___sys_sendmsg+0xee/0x170 [15210.218104][ T7704] __sys_sendmsg+0xcd/0x170 [15210.218104][ T7704] do_syscall_64+0xc6/0x1e0 [15210.218104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15210.218104][ T7704] [15210.220387][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15210.220387][ T7704] netdev_get_by_index+0x5e/0x80 [15210.220387][ T7704] fib6_nh_init+0x3d8/0x15b0 [15210.220387][ T7704] ip6_route_info_create+0xf18/0x17d0 [15210.220387][ T7704] ip6_route_add+0x1c/0x140 [15210.220387][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15210.220387][ T7704] addrconf_add_dev+0xe2/0x170 [15210.220387][ T7704] inet6_addr_add+0x12f/0xa40 [15210.220387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15210.220387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15210.220387][ T7704] netlink_rcv_skb+0x130/0x360 [15210.220387][ T7704] netlink_unicast+0x449/0x710 [15210.220387][ T7704] netlink_sendmsg+0x723/0xbe0 [15210.220387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15210.220387][ T7704] ___sys_sendmsg+0xee/0x170 [15210.220387][ T7704] __sys_sendmsg+0xcd/0x170 [15210.220387][ T7704] do_syscall_64+0xc6/0x1e0 [15210.220387][ T7704] [15210.222590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15210.222590][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15210.222590][ T7704] ipv6_find_idev+0x102/0x170 [15210.222590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15210.222590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15210.222590][ T7704] netlink_rcv_skb+0x130/0x360 [15210.222590][ T7704] netlink_unicast+0x449/0x710 [15210.222590][ T7704] netlink_sendmsg+0x723/0xbe0 [15210.222590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15210.222590][ T7704] ___sys_sendmsg+0xee/0x170 [15210.222590][ T7704] __sys_sendmsg+0xcd/0x170 [15210.222590][ T7704] do_syscall_64+0xc6/0x1e0 [15210.222590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15210.222590][ T7704] [15210.224299][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15210.224299][ T7704] neigh_parms_alloc+0x1e5/0x510 [15210.224299][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15210.224299][ T7704] ipv6_find_idev+0x102/0x170 [15210.224299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15210.224299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15210.224299][ T7704] netlink_rcv_skb+0x130/0x360 [15210.224299][ T7704] netlink_unicast+0x449/0x710 [15210.224299][ T7704] netlink_sendmsg+0x723/0xbe0 [15210.224299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15210.224299][ T7704] ___sys_sendmsg+0xee/0x170 [15210.224299][ T7704] __sys_sendmsg+0xcd/0x170 [15210.224299][ T7704] do_syscall_64+0xc6/0x1e0 [15210.224299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15210.224299][ T7704] [15220.318933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15220.319405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15220.319405][ T7704] netdev_get_by_index+0x5e/0x80 [15220.319405][ T7704] fib6_nh_init+0x3d8/0x15b0 [15220.319405][ T7704] ip6_route_info_create+0xf18/0x17d0 [15220.319405][ T7704] ip6_route_add+0x1c/0x140 [15220.319405][ T7704] addrconf_prefix_route+0x2a6/0x430 [15220.319405][ T7704] inet6_addr_add+0x4f8/0xa40 [15220.319405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15220.319405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15220.319405][ T7704] netlink_rcv_skb+0x130/0x360 [15220.319405][ T7704] netlink_unicast+0x449/0x710 [15220.319405][ T7704] netlink_sendmsg+0x723/0xbe0 [15220.319405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15220.319405][ T7704] ___sys_sendmsg+0xee/0x170 [15220.319405][ T7704] __sys_sendmsg+0xcd/0x170 [15220.319405][ T7704] do_syscall_64+0xc6/0x1e0 [15220.319405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15220.319405][ T7704] [15220.321647][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15220.321647][ T7704] netdev_get_by_index+0x5e/0x80 [15220.321647][ T7704] fib6_nh_init+0x3d8/0x15b0 [15220.321647][ T7704] ip6_route_info_create+0xf18/0x17d0 [15220.321647][ T7704] addrconf_f6i_alloc+0x315/0x560 [15220.321647][ T7704] ipv6_add_addr+0x411/0x2000 [15220.321647][ T7704] inet6_addr_add+0x30e/0xa40 [15220.321647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15220.321647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15220.321647][ T7704] netlink_rcv_skb+0x130/0x360 [15220.321647][ T7704] netlink_unicast+0x449/0x710 [15220.321647][ T7704] netlink_sendmsg+0x723/0xbe0 [15220.321647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15220.321647][ T7704] ___sys_sendmsg+0xee/0x170 [15220.321647][ T7704] __sys_sendmsg+0xcd/0x170 [15220.321647][ T7704] do_syscall_64+0xc6/0x1e0 [15220.321647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15220.321647][ T7704] [15220.323871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15220.323871][ T7704] netdev_get_by_index+0x5e/0x80 [15220.323871][ T7704] fib6_nh_init+0x3d8/0x15b0 [15220.323871][ T7704] ip6_route_info_create+0xf18/0x17d0 [15220.323871][ T7704] ip6_route_add+0x1c/0x140 [15220.323871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15220.323871][ T7704] addrconf_add_dev+0xe2/0x170 [15220.323871][ T7704] inet6_addr_add+0x12f/0xa40 [15220.323871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15220.323871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15220.323871][ T7704] netlink_rcv_skb+0x130/0x360 [15220.323871][ T7704] netlink_unicast+0x449/0x710 [15220.323871][ T7704] netlink_sendmsg+0x723/0xbe0 [15220.323871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15220.323871][ T7704] ___sys_sendmsg+0xee/0x170 [15220.323871][ T7704] __sys_sendmsg+0xcd/0x170 [15220.323871][ T7704] do_syscall_64+0xc6/0x1e0 [15220.323871][ T7704] [15220.326058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15220.326058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15220.326058][ T7704] ipv6_find_idev+0x102/0x170 [15220.326058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15220.326058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15220.326058][ T7704] netlink_rcv_skb+0x130/0x360 [15220.326058][ T7704] netlink_unicast+0x449/0x710 [15220.326058][ T7704] netlink_sendmsg+0x723/0xbe0 [15220.326058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15220.326058][ T7704] ___sys_sendmsg+0xee/0x170 [15220.326058][ T7704] __sys_sendmsg+0xcd/0x170 [15220.326058][ T7704] do_syscall_64+0xc6/0x1e0 [15220.326058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15220.326058][ T7704] [15220.327768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15220.327768][ T7704] neigh_parms_alloc+0x1e5/0x510 [15220.327768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15220.327768][ T7704] ipv6_find_idev+0x102/0x170 [15220.327768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15220.327768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15220.327768][ T7704] netlink_rcv_skb+0x130/0x360 [15220.327768][ T7704] netlink_unicast+0x449/0x710 [15220.327768][ T7704] netlink_sendmsg+0x723/0xbe0 [15220.327768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15220.327768][ T7704] ___sys_sendmsg+0xee/0x170 [15220.327768][ T7704] __sys_sendmsg+0xcd/0x170 [15220.327768][ T7704] do_syscall_64+0xc6/0x1e0 [15220.327768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15220.327768][ T7704] [15230.494941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15230.495436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15230.495436][ T7704] netdev_get_by_index+0x5e/0x80 [15230.495436][ T7704] fib6_nh_init+0x3d8/0x15b0 [15230.495436][ T7704] ip6_route_info_create+0xf18/0x17d0 [15230.495436][ T7704] ip6_route_add+0x1c/0x140 [15230.495436][ T7704] addrconf_prefix_route+0x2a6/0x430 [15230.495436][ T7704] inet6_addr_add+0x4f8/0xa40 [15230.495436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15230.495436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15230.495436][ T7704] netlink_rcv_skb+0x130/0x360 [15230.495436][ T7704] netlink_unicast+0x449/0x710 [15230.495436][ T7704] netlink_sendmsg+0x723/0xbe0 [15230.495436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15230.495436][ T7704] ___sys_sendmsg+0xee/0x170 [15230.495436][ T7704] __sys_sendmsg+0xcd/0x170 [15230.495436][ T7704] do_syscall_64+0xc6/0x1e0 [15230.495436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15230.495436][ T7704] [15230.497694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15230.497694][ T7704] netdev_get_by_index+0x5e/0x80 [15230.497694][ T7704] fib6_nh_init+0x3d8/0x15b0 [15230.497694][ T7704] ip6_route_info_create+0xf18/0x17d0 [15230.497694][ T7704] addrconf_f6i_alloc+0x315/0x560 [15230.497694][ T7704] ipv6_add_addr+0x411/0x2000 [15230.497694][ T7704] inet6_addr_add+0x30e/0xa40 [15230.497694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15230.497694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15230.497694][ T7704] netlink_rcv_skb+0x130/0x360 [15230.497694][ T7704] netlink_unicast+0x449/0x710 [15230.497694][ T7704] netlink_sendmsg+0x723/0xbe0 [15230.497694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15230.497694][ T7704] ___sys_sendmsg+0xee/0x170 [15230.497694][ T7704] __sys_sendmsg+0xcd/0x170 [15230.497694][ T7704] do_syscall_64+0xc6/0x1e0 [15230.497694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15230.497694][ T7704] [15230.499952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15230.499952][ T7704] netdev_get_by_index+0x5e/0x80 [15230.499952][ T7704] fib6_nh_init+0x3d8/0x15b0 [15230.499952][ T7704] ip6_route_info_create+0xf18/0x17d0 [15230.499952][ T7704] ip6_route_add+0x1c/0x140 [15230.499952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15230.499952][ T7704] addrconf_add_dev+0xe2/0x170 [15230.499952][ T7704] inet6_addr_add+0x12f/0xa40 [15230.499952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15230.499952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15230.499952][ T7704] netlink_rcv_skb+0x130/0x360 [15230.499952][ T7704] netlink_unicast+0x449/0x710 [15230.499952][ T7704] netlink_sendmsg+0x723/0xbe0 [15230.499952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15230.499952][ T7704] ___sys_sendmsg+0xee/0x170 [15230.499952][ T7704] __sys_sendmsg+0xcd/0x170 [15230.499952][ T7704] do_syscall_64+0xc6/0x1e0 [15230.499952][ T7704] [15230.502139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15230.502139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15230.502139][ T7704] ipv6_find_idev+0x102/0x170 [15230.502139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15230.502139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15230.502139][ T7704] netlink_rcv_skb+0x130/0x360 [15230.502139][ T7704] netlink_unicast+0x449/0x710 [15230.502139][ T7704] netlink_sendmsg+0x723/0xbe0 [15230.502139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15230.502139][ T7704] ___sys_sendmsg+0xee/0x170 [15230.502139][ T7704] __sys_sendmsg+0xcd/0x170 [15230.502139][ T7704] do_syscall_64+0xc6/0x1e0 [15230.502139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15230.502139][ T7704] [15230.503843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15230.503843][ T7704] neigh_parms_alloc+0x1e5/0x510 [15230.503843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15230.503843][ T7704] ipv6_find_idev+0x102/0x170 [15230.503843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15230.503843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15230.503843][ T7704] netlink_rcv_skb+0x130/0x360 [15230.503843][ T7704] netlink_unicast+0x449/0x710 [15230.503843][ T7704] netlink_sendmsg+0x723/0xbe0 [15230.503843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15230.503843][ T7704] ___sys_sendmsg+0xee/0x170 [15230.503843][ T7704] __sys_sendmsg+0xcd/0x170 [15230.503843][ T7704] do_syscall_64+0xc6/0x1e0 [15230.503843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15230.503843][ T7704] [15240.743016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15240.743824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15240.743824][ T7704] netdev_get_by_index+0x5e/0x80 [15240.743824][ T7704] fib6_nh_init+0x3d8/0x15b0 [15240.743824][ T7704] ip6_route_info_create+0xf18/0x17d0 [15240.743824][ T7704] ip6_route_add+0x1c/0x140 [15240.743824][ T7704] addrconf_prefix_route+0x2a6/0x430 [15240.743824][ T7704] inet6_addr_add+0x4f8/0xa40 [15240.743824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15240.743824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15240.743824][ T7704] netlink_rcv_skb+0x130/0x360 [15240.743824][ T7704] netlink_unicast+0x449/0x710 [15240.743824][ T7704] netlink_sendmsg+0x723/0xbe0 [15240.743824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15240.743824][ T7704] ___sys_sendmsg+0xee/0x170 [15240.743824][ T7704] __sys_sendmsg+0xcd/0x170 [15240.743824][ T7704] do_syscall_64+0xc6/0x1e0 [15240.743824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15240.743824][ T7704] [15240.746075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15240.746075][ T7704] netdev_get_by_index+0x5e/0x80 [15240.746075][ T7704] fib6_nh_init+0x3d8/0x15b0 [15240.746075][ T7704] ip6_route_info_create+0xf18/0x17d0 [15240.746075][ T7704] addrconf_f6i_alloc+0x315/0x560 [15240.746075][ T7704] ipv6_add_addr+0x411/0x2000 [15240.746075][ T7704] inet6_addr_add+0x30e/0xa40 [15240.746075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15240.746075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15240.746075][ T7704] netlink_rcv_skb+0x130/0x360 [15240.746075][ T7704] netlink_unicast+0x449/0x710 [15240.746075][ T7704] netlink_sendmsg+0x723/0xbe0 [15240.746075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15240.746075][ T7704] ___sys_sendmsg+0xee/0x170 [15240.746075][ T7704] __sys_sendmsg+0xcd/0x170 [15240.746075][ T7704] do_syscall_64+0xc6/0x1e0 [15240.746075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15240.746075][ T7704] [15240.748292][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15240.748292][ T7704] netdev_get_by_index+0x5e/0x80 [15240.748292][ T7704] fib6_nh_init+0x3d8/0x15b0 [15240.748292][ T7704] ip6_route_info_create+0xf18/0x17d0 [15240.748292][ T7704] ip6_route_add+0x1c/0x140 [15240.748292][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15240.748292][ T7704] addrconf_add_dev+0xe2/0x170 [15240.748292][ T7704] inet6_addr_add+0x12f/0xa40 [15240.748292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15240.748292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15240.748292][ T7704] netlink_rcv_skb+0x130/0x360 [15240.748292][ T7704] netlink_unicast+0x449/0x710 [15240.748292][ T7704] netlink_sendmsg+0x723/0xbe0 [15240.748292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15240.748292][ T7704] ___sys_sendmsg+0xee/0x170 [15240.748292][ T7704] __sys_sendmsg+0xcd/0x170 [15240.748292][ T7704] do_syscall_64+0xc6/0x1e0 [15240.748292][ T7704] [15240.750477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15240.750477][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15240.750477][ T7704] ipv6_find_idev+0x102/0x170 [15240.750477][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15240.750477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15240.750477][ T7704] netlink_rcv_skb+0x130/0x360 [15240.750477][ T7704] netlink_unicast+0x449/0x710 [15240.750477][ T7704] netlink_sendmsg+0x723/0xbe0 [15240.750477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15240.750477][ T7704] ___sys_sendmsg+0xee/0x170 [15240.750477][ T7704] __sys_sendmsg+0xcd/0x170 [15240.750477][ T7704] do_syscall_64+0xc6/0x1e0 [15240.750477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15240.750477][ T7704] [15240.752213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15240.752213][ T7704] neigh_parms_alloc+0x1e5/0x510 [15240.752213][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15240.752213][ T7704] ipv6_find_idev+0x102/0x170 [15240.752213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15240.752213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15240.752213][ T7704] netlink_rcv_skb+0x130/0x360 [15240.752213][ T7704] netlink_unicast+0x449/0x710 [15240.752213][ T7704] netlink_sendmsg+0x723/0xbe0 [15240.752213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15240.752213][ T7704] ___sys_sendmsg+0xee/0x170 [15240.752213][ T7704] __sys_sendmsg+0xcd/0x170 [15240.752213][ T7704] do_syscall_64+0xc6/0x1e0 [15240.752213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15240.752213][ T7704] [15250.990960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15250.991432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15250.991432][ T7704] netdev_get_by_index+0x5e/0x80 [15250.991432][ T7704] fib6_nh_init+0x3d8/0x15b0 [15250.991432][ T7704] ip6_route_info_create+0xf18/0x17d0 [15250.991432][ T7704] ip6_route_add+0x1c/0x140 [15250.991432][ T7704] addrconf_prefix_route+0x2a6/0x430 [15250.991432][ T7704] inet6_addr_add+0x4f8/0xa40 [15250.991432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15250.991432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15250.991432][ T7704] netlink_rcv_skb+0x130/0x360 [15250.991432][ T7704] netlink_unicast+0x449/0x710 [15250.991432][ T7704] netlink_sendmsg+0x723/0xbe0 [15250.991432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15250.991432][ T7704] ___sys_sendmsg+0xee/0x170 [15250.991432][ T7704] __sys_sendmsg+0xcd/0x170 [15250.991432][ T7704] do_syscall_64+0xc6/0x1e0 [15250.991432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15250.991432][ T7704] [15250.993676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15250.993676][ T7704] netdev_get_by_index+0x5e/0x80 [15250.993676][ T7704] fib6_nh_init+0x3d8/0x15b0 [15250.993676][ T7704] ip6_route_info_create+0xf18/0x17d0 [15250.993676][ T7704] addrconf_f6i_alloc+0x315/0x560 [15250.993676][ T7704] ipv6_add_addr+0x411/0x2000 [15250.993676][ T7704] inet6_addr_add+0x30e/0xa40 [15250.993676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15250.993676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15250.993676][ T7704] netlink_rcv_skb+0x130/0x360 [15250.993676][ T7704] netlink_unicast+0x449/0x710 [15250.993676][ T7704] netlink_sendmsg+0x723/0xbe0 [15250.993676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15250.993676][ T7704] ___sys_sendmsg+0xee/0x170 [15250.993676][ T7704] __sys_sendmsg+0xcd/0x170 [15250.993676][ T7704] do_syscall_64+0xc6/0x1e0 [15250.993676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15250.993676][ T7704] [15250.995890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15250.995890][ T7704] netdev_get_by_index+0x5e/0x80 [15250.995890][ T7704] fib6_nh_init+0x3d8/0x15b0 [15250.995890][ T7704] ip6_route_info_create+0xf18/0x17d0 [15250.995890][ T7704] ip6_route_add+0x1c/0x140 [15250.995890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15250.995890][ T7704] addrconf_add_dev+0xe2/0x170 [15250.995890][ T7704] inet6_addr_add+0x12f/0xa40 [15250.995890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15250.995890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15250.995890][ T7704] netlink_rcv_skb+0x130/0x360 [15250.995890][ T7704] netlink_unicast+0x449/0x710 [15250.995890][ T7704] netlink_sendmsg+0x723/0xbe0 [15250.995890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15250.995890][ T7704] ___sys_sendmsg+0xee/0x170 [15250.995890][ T7704] __sys_sendmsg+0xcd/0x170 [15250.995890][ T7704] do_syscall_64+0xc6/0x1e0 [15250.995890][ T7704] [15250.998578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15250.998578][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15250.998578][ T7704] ipv6_find_idev+0x102/0x170 [15250.998578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15250.998578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15250.998578][ T7704] netlink_rcv_skb+0x130/0x360 [15250.998578][ T7704] netlink_unicast+0x449/0x710 [15250.998578][ T7704] netlink_sendmsg+0x723/0xbe0 [15250.998578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15250.998578][ T7704] ___sys_sendmsg+0xee/0x170 [15250.998578][ T7704] __sys_sendmsg+0xcd/0x170 [15250.998578][ T7704] do_syscall_64+0xc6/0x1e0 [15250.998578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15250.998578][ T7704] [15251.000670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15251.000670][ T7704] neigh_parms_alloc+0x1e5/0x510 [15251.000670][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15251.000670][ T7704] ipv6_find_idev+0x102/0x170 [15251.000670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15251.000670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15251.000670][ T7704] netlink_rcv_skb+0x130/0x360 [15251.000670][ T7704] netlink_unicast+0x449/0x710 [15251.000670][ T7704] netlink_sendmsg+0x723/0xbe0 [15251.000670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15251.000670][ T7704] ___sys_sendmsg+0xee/0x170 [15251.000670][ T7704] __sys_sendmsg+0xcd/0x170 [15251.000670][ T7704] do_syscall_64+0xc6/0x1e0 [15251.000670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15251.000670][ T7704] [15261.238891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15261.239780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15261.239780][ T7704] netdev_get_by_index+0x5e/0x80 [15261.239780][ T7704] fib6_nh_init+0x3d8/0x15b0 [15261.239780][ T7704] ip6_route_info_create+0xf18/0x17d0 [15261.239780][ T7704] ip6_route_add+0x1c/0x140 [15261.239780][ T7704] addrconf_prefix_route+0x2a6/0x430 [15261.239780][ T7704] inet6_addr_add+0x4f8/0xa40 [15261.239780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15261.239780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15261.239780][ T7704] netlink_rcv_skb+0x130/0x360 [15261.239780][ T7704] netlink_unicast+0x449/0x710 [15261.239780][ T7704] netlink_sendmsg+0x723/0xbe0 [15261.239780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15261.239780][ T7704] ___sys_sendmsg+0xee/0x170 [15261.239780][ T7704] __sys_sendmsg+0xcd/0x170 [15261.239780][ T7704] do_syscall_64+0xc6/0x1e0 [15261.239780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15261.239780][ T7704] [15261.242083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15261.242083][ T7704] netdev_get_by_index+0x5e/0x80 [15261.242083][ T7704] fib6_nh_init+0x3d8/0x15b0 [15261.242083][ T7704] ip6_route_info_create+0xf18/0x17d0 [15261.242083][ T7704] addrconf_f6i_alloc+0x315/0x560 [15261.242083][ T7704] ipv6_add_addr+0x411/0x2000 [15261.242083][ T7704] inet6_addr_add+0x30e/0xa40 [15261.242083][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15261.242083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15261.242083][ T7704] netlink_rcv_skb+0x130/0x360 [15261.242083][ T7704] netlink_unicast+0x449/0x710 [15261.242083][ T7704] netlink_sendmsg+0x723/0xbe0 [15261.242083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15261.242083][ T7704] ___sys_sendmsg+0xee/0x170 [15261.242083][ T7704] __sys_sendmsg+0xcd/0x170 [15261.242083][ T7704] do_syscall_64+0xc6/0x1e0 [15261.242083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15261.242083][ T7704] [15261.244391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15261.244391][ T7704] netdev_get_by_index+0x5e/0x80 [15261.244391][ T7704] fib6_nh_init+0x3d8/0x15b0 [15261.244391][ T7704] ip6_route_info_create+0xf18/0x17d0 [15261.244391][ T7704] ip6_route_add+0x1c/0x140 [15261.244391][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15261.244391][ T7704] addrconf_add_dev+0xe2/0x170 [15261.244391][ T7704] inet6_addr_add+0x12f/0xa40 [15261.244391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15261.244391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15261.244391][ T7704] netlink_rcv_skb+0x130/0x360 [15261.244391][ T7704] netlink_unicast+0x449/0x710 [15261.244391][ T7704] netlink_sendmsg+0x723/0xbe0 [15261.244391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15261.244391][ T7704] ___sys_sendmsg+0xee/0x170 [15261.244391][ T7704] __sys_sendmsg+0xcd/0x170 [15261.244391][ T7704] do_syscall_64+0xc6/0x1e0 [15261.244391][ T7704] [15261.246626][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15261.246626][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15261.246626][ T7704] ipv6_find_idev+0x102/0x170 [15261.246626][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15261.246626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15261.246626][ T7704] netlink_rcv_skb+0x130/0x360 [15261.246626][ T7704] netlink_unicast+0x449/0x710 [15261.246626][ T7704] netlink_sendmsg+0x723/0xbe0 [15261.246626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15261.246626][ T7704] ___sys_sendmsg+0xee/0x170 [15261.246626][ T7704] __sys_sendmsg+0xcd/0x170 [15261.246626][ T7704] do_syscall_64+0xc6/0x1e0 [15261.246626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15261.246626][ T7704] [15261.248398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15261.248398][ T7704] neigh_parms_alloc+0x1e5/0x510 [15261.248398][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15261.248398][ T7704] ipv6_find_idev+0x102/0x170 [15261.248398][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15261.248398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15261.248398][ T7704] netlink_rcv_skb+0x130/0x360 [15261.248398][ T7704] netlink_unicast+0x449/0x710 [15261.248398][ T7704] netlink_sendmsg+0x723/0xbe0 [15261.248398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15261.248398][ T7704] ___sys_sendmsg+0xee/0x170 [15261.248398][ T7704] __sys_sendmsg+0xcd/0x170 [15261.248398][ T7704] do_syscall_64+0xc6/0x1e0 [15261.248398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15261.248398][ T7704] [15271.286991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15271.287709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15271.287709][ T7704] netdev_get_by_index+0x5e/0x80 [15271.287709][ T7704] fib6_nh_init+0x3d8/0x15b0 [15271.287709][ T7704] ip6_route_info_create+0xf18/0x17d0 [15271.287709][ T7704] ip6_route_add+0x1c/0x140 [15271.287709][ T7704] addrconf_prefix_route+0x2a6/0x430 [15271.287709][ T7704] inet6_addr_add+0x4f8/0xa40 [15271.287709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15271.287709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15271.287709][ T7704] netlink_rcv_skb+0x130/0x360 [15271.287709][ T7704] netlink_unicast+0x449/0x710 [15271.287709][ T7704] netlink_sendmsg+0x723/0xbe0 [15271.287709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15271.287709][ T7704] ___sys_sendmsg+0xee/0x170 [15271.287709][ T7704] __sys_sendmsg+0xcd/0x170 [15271.287709][ T7704] do_syscall_64+0xc6/0x1e0 [15271.287709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15271.287709][ T7704] [15271.289994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15271.289994][ T7704] netdev_get_by_index+0x5e/0x80 [15271.289994][ T7704] fib6_nh_init+0x3d8/0x15b0 [15271.289994][ T7704] ip6_route_info_create+0xf18/0x17d0 [15271.289994][ T7704] addrconf_f6i_alloc+0x315/0x560 [15271.289994][ T7704] ipv6_add_addr+0x411/0x2000 [15271.289994][ T7704] inet6_addr_add+0x30e/0xa40 [15271.289994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15271.289994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15271.289994][ T7704] netlink_rcv_skb+0x130/0x360 [15271.289994][ T7704] netlink_unicast+0x449/0x710 [15271.289994][ T7704] netlink_sendmsg+0x723/0xbe0 [15271.289994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15271.289994][ T7704] ___sys_sendmsg+0xee/0x170 [15271.289994][ T7704] __sys_sendmsg+0xcd/0x170 [15271.289994][ T7704] do_syscall_64+0xc6/0x1e0 [15271.289994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15271.289994][ T7704] [15271.292256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15271.292256][ T7704] netdev_get_by_index+0x5e/0x80 [15271.292256][ T7704] fib6_nh_init+0x3d8/0x15b0 [15271.292256][ T7704] ip6_route_info_create+0xf18/0x17d0 [15271.292256][ T7704] ip6_route_add+0x1c/0x140 [15271.292256][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15271.292256][ T7704] addrconf_add_dev+0xe2/0x170 [15271.292256][ T7704] inet6_addr_add+0x12f/0xa40 [15271.292256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15271.292256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15271.292256][ T7704] netlink_rcv_skb+0x130/0x360 [15271.292256][ T7704] netlink_unicast+0x449/0x710 [15271.292256][ T7704] netlink_sendmsg+0x723/0xbe0 [15271.292256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15271.292256][ T7704] ___sys_sendmsg+0xee/0x170 [15271.292256][ T7704] __sys_sendmsg+0xcd/0x170 [15271.292256][ T7704] do_syscall_64+0xc6/0x1e0 [15271.292256][ T7704] [15271.294472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15271.294472][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15271.294472][ T7704] ipv6_find_idev+0x102/0x170 [15271.294472][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15271.294472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15271.294472][ T7704] netlink_rcv_skb+0x130/0x360 [15271.294472][ T7704] netlink_unicast+0x449/0x710 [15271.294472][ T7704] netlink_sendmsg+0x723/0xbe0 [15271.294472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15271.294472][ T7704] ___sys_sendmsg+0xee/0x170 [15271.294472][ T7704] __sys_sendmsg+0xcd/0x170 [15271.294472][ T7704] do_syscall_64+0xc6/0x1e0 [15271.294472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15271.294472][ T7704] [15271.296219][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15271.296219][ T7704] neigh_parms_alloc+0x1e5/0x510 [15271.296219][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15271.296219][ T7704] ipv6_find_idev+0x102/0x170 [15271.296219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15271.296219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15271.296219][ T7704] netlink_rcv_skb+0x130/0x360 [15271.296219][ T7704] netlink_unicast+0x449/0x710 [15271.296219][ T7704] netlink_sendmsg+0x723/0xbe0 [15271.296219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15271.296219][ T7704] ___sys_sendmsg+0xee/0x170 [15271.296219][ T7704] __sys_sendmsg+0xcd/0x170 [15271.296219][ T7704] do_syscall_64+0xc6/0x1e0 [15271.296219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15271.296219][ T7704] [15281.502943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15281.503426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15281.503426][ T7704] netdev_get_by_index+0x5e/0x80 [15281.503426][ T7704] fib6_nh_init+0x3d8/0x15b0 [15281.503426][ T7704] ip6_route_info_create+0xf18/0x17d0 [15281.503426][ T7704] ip6_route_add+0x1c/0x140 [15281.503426][ T7704] addrconf_prefix_route+0x2a6/0x430 [15281.503426][ T7704] inet6_addr_add+0x4f8/0xa40 [15281.503426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15281.503426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15281.503426][ T7704] netlink_rcv_skb+0x130/0x360 [15281.503426][ T7704] netlink_unicast+0x449/0x710 [15281.503426][ T7704] netlink_sendmsg+0x723/0xbe0 [15281.503426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15281.503426][ T7704] ___sys_sendmsg+0xee/0x170 [15281.503426][ T7704] __sys_sendmsg+0xcd/0x170 [15281.503426][ T7704] do_syscall_64+0xc6/0x1e0 [15281.503426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15281.503426][ T7704] [15281.505669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15281.505669][ T7704] netdev_get_by_index+0x5e/0x80 [15281.505669][ T7704] fib6_nh_init+0x3d8/0x15b0 [15281.505669][ T7704] ip6_route_info_create+0xf18/0x17d0 [15281.505669][ T7704] addrconf_f6i_alloc+0x315/0x560 [15281.505669][ T7704] ipv6_add_addr+0x411/0x2000 [15281.505669][ T7704] inet6_addr_add+0x30e/0xa40 [15281.505669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15281.505669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15281.505669][ T7704] netlink_rcv_skb+0x130/0x360 [15281.505669][ T7704] netlink_unicast+0x449/0x710 [15281.505669][ T7704] netlink_sendmsg+0x723/0xbe0 [15281.505669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15281.505669][ T7704] ___sys_sendmsg+0xee/0x170 [15281.505669][ T7704] __sys_sendmsg+0xcd/0x170 [15281.505669][ T7704] do_syscall_64+0xc6/0x1e0 [15281.505669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15281.505669][ T7704] [15281.507890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15281.507890][ T7704] netdev_get_by_index+0x5e/0x80 [15281.507890][ T7704] fib6_nh_init+0x3d8/0x15b0 [15281.507890][ T7704] ip6_route_info_create+0xf18/0x17d0 [15281.507890][ T7704] ip6_route_add+0x1c/0x140 [15281.507890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15281.507890][ T7704] addrconf_add_dev+0xe2/0x170 [15281.507890][ T7704] inet6_addr_add+0x12f/0xa40 [15281.507890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15281.507890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15281.507890][ T7704] netlink_rcv_skb+0x130/0x360 [15281.507890][ T7704] netlink_unicast+0x449/0x710 [15281.507890][ T7704] netlink_sendmsg+0x723/0xbe0 [15281.507890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15281.507890][ T7704] ___sys_sendmsg+0xee/0x170 [15281.507890][ T7704] __sys_sendmsg+0xcd/0x170 [15281.507890][ T7704] do_syscall_64+0xc6/0x1e0 [15281.507890][ T7704] [15281.510089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15281.510089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15281.510089][ T7704] ipv6_find_idev+0x102/0x170 [15281.510089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15281.510089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15281.510089][ T7704] netlink_rcv_skb+0x130/0x360 [15281.510089][ T7704] netlink_unicast+0x449/0x710 [15281.510089][ T7704] netlink_sendmsg+0x723/0xbe0 [15281.510089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15281.510089][ T7704] ___sys_sendmsg+0xee/0x170 [15281.510089][ T7704] __sys_sendmsg+0xcd/0x170 [15281.510089][ T7704] do_syscall_64+0xc6/0x1e0 [15281.510089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15281.510089][ T7704] [15281.511805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15281.511805][ T7704] neigh_parms_alloc+0x1e5/0x510 [15281.511805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15281.511805][ T7704] ipv6_find_idev+0x102/0x170 [15281.511805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15281.511805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15281.511805][ T7704] netlink_rcv_skb+0x130/0x360 [15281.511805][ T7704] netlink_unicast+0x449/0x710 [15281.511805][ T7704] netlink_sendmsg+0x723/0xbe0 [15281.511805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15281.511805][ T7704] ___sys_sendmsg+0xee/0x170 [15281.511805][ T7704] __sys_sendmsg+0xcd/0x170 [15281.511805][ T7704] do_syscall_64+0xc6/0x1e0 [15281.511805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15281.511805][ T7704] [15291.750953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15291.751433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15291.751433][ T7704] netdev_get_by_index+0x5e/0x80 [15291.751433][ T7704] fib6_nh_init+0x3d8/0x15b0 [15291.751433][ T7704] ip6_route_info_create+0xf18/0x17d0 [15291.751433][ T7704] ip6_route_add+0x1c/0x140 [15291.751433][ T7704] addrconf_prefix_route+0x2a6/0x430 [15291.751433][ T7704] inet6_addr_add+0x4f8/0xa40 [15291.751433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15291.751433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15291.751433][ T7704] netlink_rcv_skb+0x130/0x360 [15291.751433][ T7704] netlink_unicast+0x449/0x710 [15291.751433][ T7704] netlink_sendmsg+0x723/0xbe0 [15291.751433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15291.751433][ T7704] ___sys_sendmsg+0xee/0x170 [15291.751433][ T7704] __sys_sendmsg+0xcd/0x170 [15291.751433][ T7704] do_syscall_64+0xc6/0x1e0 [15291.751433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15291.751433][ T7704] [15291.753670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15291.753670][ T7704] netdev_get_by_index+0x5e/0x80 [15291.753670][ T7704] fib6_nh_init+0x3d8/0x15b0 [15291.753670][ T7704] ip6_route_info_create+0xf18/0x17d0 [15291.753670][ T7704] addrconf_f6i_alloc+0x315/0x560 [15291.753670][ T7704] ipv6_add_addr+0x411/0x2000 [15291.753670][ T7704] inet6_addr_add+0x30e/0xa40 [15291.753670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15291.753670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15291.753670][ T7704] netlink_rcv_skb+0x130/0x360 [15291.753670][ T7704] netlink_unicast+0x449/0x710 [15291.753670][ T7704] netlink_sendmsg+0x723/0xbe0 [15291.753670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15291.753670][ T7704] ___sys_sendmsg+0xee/0x170 [15291.753670][ T7704] __sys_sendmsg+0xcd/0x170 [15291.753670][ T7704] do_syscall_64+0xc6/0x1e0 [15291.753670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15291.753670][ T7704] [15291.755883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15291.755883][ T7704] netdev_get_by_index+0x5e/0x80 [15291.755883][ T7704] fib6_nh_init+0x3d8/0x15b0 [15291.755883][ T7704] ip6_route_info_create+0xf18/0x17d0 [15291.755883][ T7704] ip6_route_add+0x1c/0x140 [15291.755883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15291.755883][ T7704] addrconf_add_dev+0xe2/0x170 [15291.755883][ T7704] inet6_addr_add+0x12f/0xa40 [15291.755883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15291.755883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15291.755883][ T7704] netlink_rcv_skb+0x130/0x360 [15291.755883][ T7704] netlink_unicast+0x449/0x710 [15291.755883][ T7704] netlink_sendmsg+0x723/0xbe0 [15291.755883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15291.755883][ T7704] ___sys_sendmsg+0xee/0x170 [15291.755883][ T7704] __sys_sendmsg+0xcd/0x170 [15291.755883][ T7704] do_syscall_64+0xc6/0x1e0 [15291.755883][ T7704] [15291.758064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15291.758064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15291.758064][ T7704] ipv6_find_idev+0x102/0x170 [15291.758064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15291.758064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15291.758064][ T7704] netlink_rcv_skb+0x130/0x360 [15291.758064][ T7704] netlink_unicast+0x449/0x710 [15291.758064][ T7704] netlink_sendmsg+0x723/0xbe0 [15291.758064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15291.758064][ T7704] ___sys_sendmsg+0xee/0x170 [15291.758064][ T7704] __sys_sendmsg+0xcd/0x170 [15291.758064][ T7704] do_syscall_64+0xc6/0x1e0 [15291.758064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15291.758064][ T7704] [15291.759783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15291.759783][ T7704] neigh_parms_alloc+0x1e5/0x510 [15291.759783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15291.759783][ T7704] ipv6_find_idev+0x102/0x170 [15291.759783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15291.759783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15291.759783][ T7704] netlink_rcv_skb+0x130/0x360 [15291.759783][ T7704] netlink_unicast+0x449/0x710 [15291.759783][ T7704] netlink_sendmsg+0x723/0xbe0 [15291.759783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15291.759783][ T7704] ___sys_sendmsg+0xee/0x170 [15291.759783][ T7704] __sys_sendmsg+0xcd/0x170 [15291.759783][ T7704] do_syscall_64+0xc6/0x1e0 [15291.759783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15291.759783][ T7704] [15301.998975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15301.999499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15301.999499][ T7704] netdev_get_by_index+0x5e/0x80 [15301.999499][ T7704] fib6_nh_init+0x3d8/0x15b0 [15301.999499][ T7704] ip6_route_info_create+0xf18/0x17d0 [15301.999499][ T7704] ip6_route_add+0x1c/0x140 [15301.999499][ T7704] addrconf_prefix_route+0x2a6/0x430 [15301.999499][ T7704] inet6_addr_add+0x4f8/0xa40 [15301.999499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15301.999499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15301.999499][ T7704] netlink_rcv_skb+0x130/0x360 [15301.999499][ T7704] netlink_unicast+0x449/0x710 [15301.999499][ T7704] netlink_sendmsg+0x723/0xbe0 [15301.999499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15301.999499][ T7704] ___sys_sendmsg+0xee/0x170 [15301.999499][ T7704] __sys_sendmsg+0xcd/0x170 [15301.999499][ T7704] do_syscall_64+0xc6/0x1e0 [15301.999499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15301.999499][ T7704] [15302.001734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15302.001734][ T7704] netdev_get_by_index+0x5e/0x80 [15302.001734][ T7704] fib6_nh_init+0x3d8/0x15b0 [15302.001734][ T7704] ip6_route_info_create+0xf18/0x17d0 [15302.001734][ T7704] addrconf_f6i_alloc+0x315/0x560 [15302.001734][ T7704] ipv6_add_addr+0x411/0x2000 [15302.001734][ T7704] inet6_addr_add+0x30e/0xa40 [15302.001734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15302.001734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15302.001734][ T7704] netlink_rcv_skb+0x130/0x360 [15302.001734][ T7704] netlink_unicast+0x449/0x710 [15302.001734][ T7704] netlink_sendmsg+0x723/0xbe0 [15302.001734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15302.001734][ T7704] ___sys_sendmsg+0xee/0x170 [15302.001734][ T7704] __sys_sendmsg+0xcd/0x170 [15302.001734][ T7704] do_syscall_64+0xc6/0x1e0 [15302.001734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15302.001734][ T7704] [15302.003954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15302.003954][ T7704] netdev_get_by_index+0x5e/0x80 [15302.003954][ T7704] fib6_nh_init+0x3d8/0x15b0 [15302.003954][ T7704] ip6_route_info_create+0xf18/0x17d0 [15302.003954][ T7704] ip6_route_add+0x1c/0x140 [15302.003954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15302.003954][ T7704] addrconf_add_dev+0xe2/0x170 [15302.003954][ T7704] inet6_addr_add+0x12f/0xa40 [15302.003954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15302.003954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15302.003954][ T7704] netlink_rcv_skb+0x130/0x360 [15302.003954][ T7704] netlink_unicast+0x449/0x710 [15302.003954][ T7704] netlink_sendmsg+0x723/0xbe0 [15302.003954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15302.003954][ T7704] ___sys_sendmsg+0xee/0x170 [15302.003954][ T7704] __sys_sendmsg+0xcd/0x170 [15302.003954][ T7704] do_syscall_64+0xc6/0x1e0 [15302.003954][ T7704] [15302.006130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15302.006130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15302.006130][ T7704] ipv6_find_idev+0x102/0x170 [15302.006130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15302.006130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15302.006130][ T7704] netlink_rcv_skb+0x130/0x360 [15302.006130][ T7704] netlink_unicast+0x449/0x710 [15302.006130][ T7704] netlink_sendmsg+0x723/0xbe0 [15302.006130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15302.006130][ T7704] ___sys_sendmsg+0xee/0x170 [15302.006130][ T7704] __sys_sendmsg+0xcd/0x170 [15302.006130][ T7704] do_syscall_64+0xc6/0x1e0 [15302.006130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15302.006130][ T7704] [15302.007833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15302.007833][ T7704] neigh_parms_alloc+0x1e5/0x510 [15302.007833][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15302.007833][ T7704] ipv6_find_idev+0x102/0x170 [15302.007833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15302.007833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15302.007833][ T7704] netlink_rcv_skb+0x130/0x360 [15302.007833][ T7704] netlink_unicast+0x449/0x710 [15302.007833][ T7704] netlink_sendmsg+0x723/0xbe0 [15302.007833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15302.007833][ T7704] ___sys_sendmsg+0xee/0x170 [15302.007833][ T7704] __sys_sendmsg+0xcd/0x170 [15302.007833][ T7704] do_syscall_64+0xc6/0x1e0 [15302.007833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15302.007833][ T7704] [15312.246967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15312.247444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15312.247444][ T7704] netdev_get_by_index+0x5e/0x80 [15312.247444][ T7704] fib6_nh_init+0x3d8/0x15b0 [15312.247444][ T7704] ip6_route_info_create+0xf18/0x17d0 [15312.247444][ T7704] ip6_route_add+0x1c/0x140 [15312.247444][ T7704] addrconf_prefix_route+0x2a6/0x430 [15312.247444][ T7704] inet6_addr_add+0x4f8/0xa40 [15312.247444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15312.247444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15312.247444][ T7704] netlink_rcv_skb+0x130/0x360 [15312.247444][ T7704] netlink_unicast+0x449/0x710 [15312.247444][ T7704] netlink_sendmsg+0x723/0xbe0 [15312.247444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15312.247444][ T7704] ___sys_sendmsg+0xee/0x170 [15312.247444][ T7704] __sys_sendmsg+0xcd/0x170 [15312.247444][ T7704] do_syscall_64+0xc6/0x1e0 [15312.247444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15312.247444][ T7704] [15312.249729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15312.249729][ T7704] netdev_get_by_index+0x5e/0x80 [15312.249729][ T7704] fib6_nh_init+0x3d8/0x15b0 [15312.249729][ T7704] ip6_route_info_create+0xf18/0x17d0 [15312.249729][ T7704] addrconf_f6i_alloc+0x315/0x560 [15312.249729][ T7704] ipv6_add_addr+0x411/0x2000 [15312.249729][ T7704] inet6_addr_add+0x30e/0xa40 [15312.249729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15312.249729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15312.249729][ T7704] netlink_rcv_skb+0x130/0x360 [15312.249729][ T7704] netlink_unicast+0x449/0x710 [15312.249729][ T7704] netlink_sendmsg+0x723/0xbe0 [15312.249729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15312.249729][ T7704] ___sys_sendmsg+0xee/0x170 [15312.249729][ T7704] __sys_sendmsg+0xcd/0x170 [15312.249729][ T7704] do_syscall_64+0xc6/0x1e0 [15312.249729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15312.249729][ T7704] [15312.251974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15312.251974][ T7704] netdev_get_by_index+0x5e/0x80 [15312.251974][ T7704] fib6_nh_init+0x3d8/0x15b0 [15312.251974][ T7704] ip6_route_info_create+0xf18/0x17d0 [15312.251974][ T7704] ip6_route_add+0x1c/0x140 [15312.251974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15312.251974][ T7704] addrconf_add_dev+0xe2/0x170 [15312.251974][ T7704] inet6_addr_add+0x12f/0xa40 [15312.251974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15312.251974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15312.251974][ T7704] netlink_rcv_skb+0x130/0x360 [15312.251974][ T7704] netlink_unicast+0x449/0x710 [15312.251974][ T7704] netlink_sendmsg+0x723/0xbe0 [15312.251974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15312.251974][ T7704] ___sys_sendmsg+0xee/0x170 [15312.251974][ T7704] __sys_sendmsg+0xcd/0x170 [15312.251974][ T7704] do_syscall_64+0xc6/0x1e0 [15312.251974][ T7704] [15312.254157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15312.254157][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15312.254157][ T7704] ipv6_find_idev+0x102/0x170 [15312.254157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15312.254157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15312.254157][ T7704] netlink_rcv_skb+0x130/0x360 [15312.254157][ T7704] netlink_unicast+0x449/0x710 [15312.254157][ T7704] netlink_sendmsg+0x723/0xbe0 [15312.254157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15312.254157][ T7704] ___sys_sendmsg+0xee/0x170 [15312.254157][ T7704] __sys_sendmsg+0xcd/0x170 [15312.254157][ T7704] do_syscall_64+0xc6/0x1e0 [15312.254157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15312.254157][ T7704] [15312.255907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15312.255907][ T7704] neigh_parms_alloc+0x1e5/0x510 [15312.255907][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15312.255907][ T7704] ipv6_find_idev+0x102/0x170 [15312.255907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15312.255907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15312.255907][ T7704] netlink_rcv_skb+0x130/0x360 [15312.255907][ T7704] netlink_unicast+0x449/0x710 [15312.255907][ T7704] netlink_sendmsg+0x723/0xbe0 [15312.255907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15312.255907][ T7704] ___sys_sendmsg+0xee/0x170 [15312.255907][ T7704] __sys_sendmsg+0xcd/0x170 [15312.255907][ T7704] do_syscall_64+0xc6/0x1e0 [15312.255907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15312.255907][ T7704] [15322.494965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15322.495453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15322.495453][ T7704] netdev_get_by_index+0x5e/0x80 [15322.495453][ T7704] fib6_nh_init+0x3d8/0x15b0 [15322.495453][ T7704] ip6_route_info_create+0xf18/0x17d0 [15322.495453][ T7704] ip6_route_add+0x1c/0x140 [15322.495453][ T7704] addrconf_prefix_route+0x2a6/0x430 [15322.495453][ T7704] inet6_addr_add+0x4f8/0xa40 [15322.495453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15322.495453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15322.495453][ T7704] netlink_rcv_skb+0x130/0x360 [15322.495453][ T7704] netlink_unicast+0x449/0x710 [15322.495453][ T7704] netlink_sendmsg+0x723/0xbe0 [15322.495453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15322.495453][ T7704] ___sys_sendmsg+0xee/0x170 [15322.495453][ T7704] __sys_sendmsg+0xcd/0x170 [15322.495453][ T7704] do_syscall_64+0xc6/0x1e0 [15322.495453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15322.495453][ T7704] [15322.497777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15322.497777][ T7704] netdev_get_by_index+0x5e/0x80 [15322.497777][ T7704] fib6_nh_init+0x3d8/0x15b0 [15322.497777][ T7704] ip6_route_info_create+0xf18/0x17d0 [15322.497777][ T7704] addrconf_f6i_alloc+0x315/0x560 [15322.497777][ T7704] ipv6_add_addr+0x411/0x2000 [15322.497777][ T7704] inet6_addr_add+0x30e/0xa40 [15322.497777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15322.497777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15322.497777][ T7704] netlink_rcv_skb+0x130/0x360 [15322.497777][ T7704] netlink_unicast+0x449/0x710 [15322.497777][ T7704] netlink_sendmsg+0x723/0xbe0 [15322.497777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15322.497777][ T7704] ___sys_sendmsg+0xee/0x170 [15322.497777][ T7704] __sys_sendmsg+0xcd/0x170 [15322.497777][ T7704] do_syscall_64+0xc6/0x1e0 [15322.497777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15322.497777][ T7704] [15322.500069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15322.500069][ T7704] netdev_get_by_index+0x5e/0x80 [15322.500069][ T7704] fib6_nh_init+0x3d8/0x15b0 [15322.500069][ T7704] ip6_route_info_create+0xf18/0x17d0 [15322.500069][ T7704] ip6_route_add+0x1c/0x140 [15322.500069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15322.500069][ T7704] addrconf_add_dev+0xe2/0x170 [15322.500069][ T7704] inet6_addr_add+0x12f/0xa40 [15322.500069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15322.500069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15322.500069][ T7704] netlink_rcv_skb+0x130/0x360 [15322.500069][ T7704] netlink_unicast+0x449/0x710 [15322.500069][ T7704] netlink_sendmsg+0x723/0xbe0 [15322.500069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15322.500069][ T7704] ___sys_sendmsg+0xee/0x170 [15322.500069][ T7704] __sys_sendmsg+0xcd/0x170 [15322.500069][ T7704] do_syscall_64+0xc6/0x1e0 [15322.500069][ T7704] [15322.502363][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15322.502363][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15322.502363][ T7704] ipv6_find_idev+0x102/0x170 [15322.502363][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15322.502363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15322.502363][ T7704] netlink_rcv_skb+0x130/0x360 [15322.502363][ T7704] netlink_unicast+0x449/0x710 [15322.502363][ T7704] netlink_sendmsg+0x723/0xbe0 [15322.502363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15322.502363][ T7704] ___sys_sendmsg+0xee/0x170 [15322.502363][ T7704] __sys_sendmsg+0xcd/0x170 [15322.502363][ T7704] do_syscall_64+0xc6/0x1e0 [15322.502363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15322.502363][ T7704] [15322.504643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15322.504643][ T7704] neigh_parms_alloc+0x1e5/0x510 [15322.504643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15322.504643][ T7704] ipv6_find_idev+0x102/0x170 [15322.504643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15322.504643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15322.504643][ T7704] netlink_rcv_skb+0x130/0x360 [15322.504643][ T7704] netlink_unicast+0x449/0x710 [15322.504643][ T7704] netlink_sendmsg+0x723/0xbe0 [15322.504643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15322.504643][ T7704] ___sys_sendmsg+0xee/0x170 [15322.504643][ T7704] __sys_sendmsg+0xcd/0x170 [15322.504643][ T7704] do_syscall_64+0xc6/0x1e0 [15322.504643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15322.504643][ T7704] [15332.574982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15332.575491][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15332.575491][ T7704] netdev_get_by_index+0x5e/0x80 [15332.575491][ T7704] fib6_nh_init+0x3d8/0x15b0 [15332.575491][ T7704] ip6_route_info_create+0xf18/0x17d0 [15332.575491][ T7704] ip6_route_add+0x1c/0x140 [15332.575491][ T7704] addrconf_prefix_route+0x2a6/0x430 [15332.575491][ T7704] inet6_addr_add+0x4f8/0xa40 [15332.575491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15332.575491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15332.575491][ T7704] netlink_rcv_skb+0x130/0x360 [15332.575491][ T7704] netlink_unicast+0x449/0x710 [15332.575491][ T7704] netlink_sendmsg+0x723/0xbe0 [15332.575491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15332.575491][ T7704] ___sys_sendmsg+0xee/0x170 [15332.575491][ T7704] __sys_sendmsg+0xcd/0x170 [15332.575491][ T7704] do_syscall_64+0xc6/0x1e0 [15332.575491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15332.575491][ T7704] [15332.577797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15332.577797][ T7704] netdev_get_by_index+0x5e/0x80 [15332.577797][ T7704] fib6_nh_init+0x3d8/0x15b0 [15332.577797][ T7704] ip6_route_info_create+0xf18/0x17d0 [15332.577797][ T7704] addrconf_f6i_alloc+0x315/0x560 [15332.577797][ T7704] ipv6_add_addr+0x411/0x2000 [15332.577797][ T7704] inet6_addr_add+0x30e/0xa40 [15332.577797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15332.577797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15332.577797][ T7704] netlink_rcv_skb+0x130/0x360 [15332.577797][ T7704] netlink_unicast+0x449/0x710 [15332.577797][ T7704] netlink_sendmsg+0x723/0xbe0 [15332.577797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15332.577797][ T7704] ___sys_sendmsg+0xee/0x170 [15332.577797][ T7704] __sys_sendmsg+0xcd/0x170 [15332.577797][ T7704] do_syscall_64+0xc6/0x1e0 [15332.577797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15332.577797][ T7704] [15332.580120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15332.580120][ T7704] netdev_get_by_index+0x5e/0x80 [15332.580120][ T7704] fib6_nh_init+0x3d8/0x15b0 [15332.580120][ T7704] ip6_route_info_create+0xf18/0x17d0 [15332.580120][ T7704] ip6_route_add+0x1c/0x140 [15332.580120][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15332.580120][ T7704] addrconf_add_dev+0xe2/0x170 [15332.580120][ T7704] inet6_addr_add+0x12f/0xa40 [15332.580120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15332.580120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15332.580120][ T7704] netlink_rcv_skb+0x130/0x360 [15332.580120][ T7704] netlink_unicast+0x449/0x710 [15332.580120][ T7704] netlink_sendmsg+0x723/0xbe0 [15332.580120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15332.580120][ T7704] ___sys_sendmsg+0xee/0x170 [15332.580120][ T7704] __sys_sendmsg+0xcd/0x170 [15332.580120][ T7704] do_syscall_64+0xc6/0x1e0 [15332.580120][ T7704] [15332.582350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15332.582350][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15332.582350][ T7704] ipv6_find_idev+0x102/0x170 [15332.582350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15332.582350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15332.582350][ T7704] netlink_rcv_skb+0x130/0x360 [15332.582350][ T7704] netlink_unicast+0x449/0x710 [15332.582350][ T7704] netlink_sendmsg+0x723/0xbe0 [15332.582350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15332.582350][ T7704] ___sys_sendmsg+0xee/0x170 [15332.582350][ T7704] __sys_sendmsg+0xcd/0x170 [15332.582350][ T7704] do_syscall_64+0xc6/0x1e0 [15332.582350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15332.582350][ T7704] [15332.584090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15332.584090][ T7704] neigh_parms_alloc+0x1e5/0x510 [15332.584090][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15332.584090][ T7704] ipv6_find_idev+0x102/0x170 [15332.584090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15332.584090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15332.584090][ T7704] netlink_rcv_skb+0x130/0x360 [15332.584090][ T7704] netlink_unicast+0x449/0x710 [15332.584090][ T7704] netlink_sendmsg+0x723/0xbe0 [15332.584090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15332.584090][ T7704] ___sys_sendmsg+0xee/0x170 [15332.584090][ T7704] __sys_sendmsg+0xcd/0x170 [15332.584090][ T7704] do_syscall_64+0xc6/0x1e0 [15332.584090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15332.584090][ T7704] [15342.678923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15342.679442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15342.679442][ T7704] netdev_get_by_index+0x5e/0x80 [15342.679442][ T7704] fib6_nh_init+0x3d8/0x15b0 [15342.679442][ T7704] ip6_route_info_create+0xf18/0x17d0 [15342.679442][ T7704] ip6_route_add+0x1c/0x140 [15342.679442][ T7704] addrconf_prefix_route+0x2a6/0x430 [15342.679442][ T7704] inet6_addr_add+0x4f8/0xa40 [15342.679442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15342.679442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15342.679442][ T7704] netlink_rcv_skb+0x130/0x360 [15342.679442][ T7704] netlink_unicast+0x449/0x710 [15342.679442][ T7704] netlink_sendmsg+0x723/0xbe0 [15342.679442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15342.679442][ T7704] ___sys_sendmsg+0xee/0x170 [15342.679442][ T7704] __sys_sendmsg+0xcd/0x170 [15342.679442][ T7704] do_syscall_64+0xc6/0x1e0 [15342.679442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15342.679442][ T7704] [15342.681743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15342.681743][ T7704] netdev_get_by_index+0x5e/0x80 [15342.681743][ T7704] fib6_nh_init+0x3d8/0x15b0 [15342.681743][ T7704] ip6_route_info_create+0xf18/0x17d0 [15342.681743][ T7704] addrconf_f6i_alloc+0x315/0x560 [15342.681743][ T7704] ipv6_add_addr+0x411/0x2000 [15342.681743][ T7704] inet6_addr_add+0x30e/0xa40 [15342.681743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15342.681743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15342.681743][ T7704] netlink_rcv_skb+0x130/0x360 [15342.681743][ T7704] netlink_unicast+0x449/0x710 [15342.681743][ T7704] netlink_sendmsg+0x723/0xbe0 [15342.681743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15342.681743][ T7704] ___sys_sendmsg+0xee/0x170 [15342.681743][ T7704] __sys_sendmsg+0xcd/0x170 [15342.681743][ T7704] do_syscall_64+0xc6/0x1e0 [15342.681743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15342.681743][ T7704] [15342.684042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15342.684042][ T7704] netdev_get_by_index+0x5e/0x80 [15342.684042][ T7704] fib6_nh_init+0x3d8/0x15b0 [15342.684042][ T7704] ip6_route_info_create+0xf18/0x17d0 [15342.684042][ T7704] ip6_route_add+0x1c/0x140 [15342.684042][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15342.684042][ T7704] addrconf_add_dev+0xe2/0x170 [15342.684042][ T7704] inet6_addr_add+0x12f/0xa40 [15342.684042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15342.684042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15342.684042][ T7704] netlink_rcv_skb+0x130/0x360 [15342.684042][ T7704] netlink_unicast+0x449/0x710 [15342.684042][ T7704] netlink_sendmsg+0x723/0xbe0 [15342.684042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15342.684042][ T7704] ___sys_sendmsg+0xee/0x170 [15342.684042][ T7704] __sys_sendmsg+0xcd/0x170 [15342.684042][ T7704] do_syscall_64+0xc6/0x1e0 [15342.684042][ T7704] [15342.686283][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15342.686283][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15342.686283][ T7704] ipv6_find_idev+0x102/0x170 [15342.686283][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15342.686283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15342.686283][ T7704] netlink_rcv_skb+0x130/0x360 [15342.686283][ T7704] netlink_unicast+0x449/0x710 [15342.686283][ T7704] netlink_sendmsg+0x723/0xbe0 [15342.686283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15342.686283][ T7704] ___sys_sendmsg+0xee/0x170 [15342.686283][ T7704] __sys_sendmsg+0xcd/0x170 [15342.686283][ T7704] do_syscall_64+0xc6/0x1e0 [15342.686283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15342.686283][ T7704] [15342.688031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15342.688031][ T7704] neigh_parms_alloc+0x1e5/0x510 [15342.688031][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15342.688031][ T7704] ipv6_find_idev+0x102/0x170 [15342.688031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15342.688031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15342.688031][ T7704] netlink_rcv_skb+0x130/0x360 [15342.688031][ T7704] netlink_unicast+0x449/0x710 [15342.688031][ T7704] netlink_sendmsg+0x723/0xbe0 [15342.688031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15342.688031][ T7704] ___sys_sendmsg+0xee/0x170 [15342.688031][ T7704] __sys_sendmsg+0xcd/0x170 [15342.688031][ T7704] do_syscall_64+0xc6/0x1e0 [15342.688031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15342.688031][ T7704] [15352.926953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15352.927425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15352.927425][ T7704] netdev_get_by_index+0x5e/0x80 [15352.927425][ T7704] fib6_nh_init+0x3d8/0x15b0 [15352.927425][ T7704] ip6_route_info_create+0xf18/0x17d0 [15352.927425][ T7704] ip6_route_add+0x1c/0x140 [15352.927425][ T7704] addrconf_prefix_route+0x2a6/0x430 [15352.927425][ T7704] inet6_addr_add+0x4f8/0xa40 [15352.927425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15352.927425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15352.927425][ T7704] netlink_rcv_skb+0x130/0x360 [15352.927425][ T7704] netlink_unicast+0x449/0x710 [15352.927425][ T7704] netlink_sendmsg+0x723/0xbe0 [15352.927425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15352.927425][ T7704] ___sys_sendmsg+0xee/0x170 [15352.927425][ T7704] __sys_sendmsg+0xcd/0x170 [15352.927425][ T7704] do_syscall_64+0xc6/0x1e0 [15352.927425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15352.927425][ T7704] [15352.929707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15352.929707][ T7704] netdev_get_by_index+0x5e/0x80 [15352.929707][ T7704] fib6_nh_init+0x3d8/0x15b0 [15352.929707][ T7704] ip6_route_info_create+0xf18/0x17d0 [15352.929707][ T7704] addrconf_f6i_alloc+0x315/0x560 [15352.929707][ T7704] ipv6_add_addr+0x411/0x2000 [15352.929707][ T7704] inet6_addr_add+0x30e/0xa40 [15352.929707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15352.929707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15352.929707][ T7704] netlink_rcv_skb+0x130/0x360 [15352.929707][ T7704] netlink_unicast+0x449/0x710 [15352.929707][ T7704] netlink_sendmsg+0x723/0xbe0 [15352.929707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15352.929707][ T7704] ___sys_sendmsg+0xee/0x170 [15352.929707][ T7704] __sys_sendmsg+0xcd/0x170 [15352.929707][ T7704] do_syscall_64+0xc6/0x1e0 [15352.929707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15352.929707][ T7704] [15352.931933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15352.931933][ T7704] netdev_get_by_index+0x5e/0x80 [15352.931933][ T7704] fib6_nh_init+0x3d8/0x15b0 [15352.931933][ T7704] ip6_route_info_create+0xf18/0x17d0 [15352.931933][ T7704] ip6_route_add+0x1c/0x140 [15352.931933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15352.931933][ T7704] addrconf_add_dev+0xe2/0x170 [15352.931933][ T7704] inet6_addr_add+0x12f/0xa40 [15352.931933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15352.931933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15352.931933][ T7704] netlink_rcv_skb+0x130/0x360 [15352.931933][ T7704] netlink_unicast+0x449/0x710 [15352.931933][ T7704] netlink_sendmsg+0x723/0xbe0 [15352.931933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15352.931933][ T7704] ___sys_sendmsg+0xee/0x170 [15352.931933][ T7704] __sys_sendmsg+0xcd/0x170 [15352.931933][ T7704] do_syscall_64+0xc6/0x1e0 [15352.931933][ T7704] [15352.934116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15352.934116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15352.934116][ T7704] ipv6_find_idev+0x102/0x170 [15352.934116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15352.934116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15352.934116][ T7704] netlink_rcv_skb+0x130/0x360 [15352.934116][ T7704] netlink_unicast+0x449/0x710 [15352.934116][ T7704] netlink_sendmsg+0x723/0xbe0 [15352.934116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15352.934116][ T7704] ___sys_sendmsg+0xee/0x170 [15352.934116][ T7704] __sys_sendmsg+0xcd/0x170 [15352.934116][ T7704] do_syscall_64+0xc6/0x1e0 [15352.934116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15352.934116][ T7704] [15352.935828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15352.935828][ T7704] neigh_parms_alloc+0x1e5/0x510 [15352.935828][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15352.935828][ T7704] ipv6_find_idev+0x102/0x170 [15352.935828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15352.935828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15352.935828][ T7704] netlink_rcv_skb+0x130/0x360 [15352.935828][ T7704] netlink_unicast+0x449/0x710 [15352.935828][ T7704] netlink_sendmsg+0x723/0xbe0 [15352.935828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15352.935828][ T7704] ___sys_sendmsg+0xee/0x170 [15352.935828][ T7704] __sys_sendmsg+0xcd/0x170 [15352.935828][ T7704] do_syscall_64+0xc6/0x1e0 [15352.935828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15352.935828][ T7704] [15362.990939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15362.991430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15362.991430][ T7704] netdev_get_by_index+0x5e/0x80 [15362.991430][ T7704] fib6_nh_init+0x3d8/0x15b0 [15362.991430][ T7704] ip6_route_info_create+0xf18/0x17d0 [15362.991430][ T7704] ip6_route_add+0x1c/0x140 [15362.991430][ T7704] addrconf_prefix_route+0x2a6/0x430 [15362.991430][ T7704] inet6_addr_add+0x4f8/0xa40 [15362.991430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15362.991430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15362.991430][ T7704] netlink_rcv_skb+0x130/0x360 [15362.991430][ T7704] netlink_unicast+0x449/0x710 [15362.991430][ T7704] netlink_sendmsg+0x723/0xbe0 [15362.991430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15362.991430][ T7704] ___sys_sendmsg+0xee/0x170 [15362.991430][ T7704] __sys_sendmsg+0xcd/0x170 [15362.991430][ T7704] do_syscall_64+0xc6/0x1e0 [15362.991430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15362.991430][ T7704] [15362.993704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15362.993704][ T7704] netdev_get_by_index+0x5e/0x80 [15362.993704][ T7704] fib6_nh_init+0x3d8/0x15b0 [15362.993704][ T7704] ip6_route_info_create+0xf18/0x17d0 [15362.993704][ T7704] addrconf_f6i_alloc+0x315/0x560 [15362.993704][ T7704] ipv6_add_addr+0x411/0x2000 [15362.993704][ T7704] inet6_addr_add+0x30e/0xa40 [15362.993704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15362.993704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15362.993704][ T7704] netlink_rcv_skb+0x130/0x360 [15362.993704][ T7704] netlink_unicast+0x449/0x710 [15362.993704][ T7704] netlink_sendmsg+0x723/0xbe0 [15362.993704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15362.993704][ T7704] ___sys_sendmsg+0xee/0x170 [15362.993704][ T7704] __sys_sendmsg+0xcd/0x170 [15362.993704][ T7704] do_syscall_64+0xc6/0x1e0 [15362.993704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15362.993704][ T7704] [15362.995918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15362.995918][ T7704] netdev_get_by_index+0x5e/0x80 [15362.995918][ T7704] fib6_nh_init+0x3d8/0x15b0 [15362.995918][ T7704] ip6_route_info_create+0xf18/0x17d0 [15362.995918][ T7704] ip6_route_add+0x1c/0x140 [15362.995918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15362.995918][ T7704] addrconf_add_dev+0xe2/0x170 [15362.995918][ T7704] inet6_addr_add+0x12f/0xa40 [15362.995918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15362.995918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15362.995918][ T7704] netlink_rcv_skb+0x130/0x360 [15362.995918][ T7704] netlink_unicast+0x449/0x710 [15362.995918][ T7704] netlink_sendmsg+0x723/0xbe0 [15362.995918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15362.995918][ T7704] ___sys_sendmsg+0xee/0x170 [15362.995918][ T7704] __sys_sendmsg+0xcd/0x170 [15362.995918][ T7704] do_syscall_64+0xc6/0x1e0 [15362.995918][ T7704] [15362.998127][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15362.998127][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15362.998127][ T7704] ipv6_find_idev+0x102/0x170 [15362.998127][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15362.998127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15362.998127][ T7704] netlink_rcv_skb+0x130/0x360 [15362.998127][ T7704] netlink_unicast+0x449/0x710 [15362.998127][ T7704] netlink_sendmsg+0x723/0xbe0 [15362.998127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15362.998127][ T7704] ___sys_sendmsg+0xee/0x170 [15362.998127][ T7704] __sys_sendmsg+0xcd/0x170 [15362.998127][ T7704] do_syscall_64+0xc6/0x1e0 [15362.998127][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15362.998127][ T7704] [15363.000349][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15363.000349][ T7704] neigh_parms_alloc+0x1e5/0x510 [15363.000349][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15363.000349][ T7704] ipv6_find_idev+0x102/0x170 [15363.000349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15363.000349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15363.000349][ T7704] netlink_rcv_skb+0x130/0x360 [15363.000349][ T7704] netlink_unicast+0x449/0x710 [15363.000349][ T7704] netlink_sendmsg+0x723/0xbe0 [15363.000349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15363.000349][ T7704] ___sys_sendmsg+0xee/0x170 [15363.000349][ T7704] __sys_sendmsg+0xcd/0x170 [15363.000349][ T7704] do_syscall_64+0xc6/0x1e0 [15363.000349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15363.000349][ T7704] [15373.254940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15373.255363][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15373.255363][ T7704] netdev_get_by_index+0x5e/0x80 [15373.255363][ T7704] fib6_nh_init+0x3d8/0x15b0 [15373.255363][ T7704] ip6_route_info_create+0xf18/0x17d0 [15373.255363][ T7704] ip6_route_add+0x1c/0x140 [15373.255363][ T7704] addrconf_prefix_route+0x2a6/0x430 [15373.255363][ T7704] inet6_addr_add+0x4f8/0xa40 [15373.255363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15373.255363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15373.255363][ T7704] netlink_rcv_skb+0x130/0x360 [15373.255363][ T7704] netlink_unicast+0x449/0x710 [15373.255363][ T7704] netlink_sendmsg+0x723/0xbe0 [15373.255363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15373.255363][ T7704] ___sys_sendmsg+0xee/0x170 [15373.255363][ T7704] __sys_sendmsg+0xcd/0x170 [15373.255363][ T7704] do_syscall_64+0xc6/0x1e0 [15373.255363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15373.255363][ T7704] [15373.257592][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15373.257592][ T7704] netdev_get_by_index+0x5e/0x80 [15373.257592][ T7704] fib6_nh_init+0x3d8/0x15b0 [15373.257592][ T7704] ip6_route_info_create+0xf18/0x17d0 [15373.257592][ T7704] addrconf_f6i_alloc+0x315/0x560 [15373.257592][ T7704] ipv6_add_addr+0x411/0x2000 [15373.257592][ T7704] inet6_addr_add+0x30e/0xa40 [15373.257592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15373.257592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15373.257592][ T7704] netlink_rcv_skb+0x130/0x360 [15373.257592][ T7704] netlink_unicast+0x449/0x710 [15373.257592][ T7704] netlink_sendmsg+0x723/0xbe0 [15373.257592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15373.257592][ T7704] ___sys_sendmsg+0xee/0x170 [15373.257592][ T7704] __sys_sendmsg+0xcd/0x170 [15373.257592][ T7704] do_syscall_64+0xc6/0x1e0 [15373.257592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15373.257592][ T7704] [15373.259834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15373.259834][ T7704] netdev_get_by_index+0x5e/0x80 [15373.259834][ T7704] fib6_nh_init+0x3d8/0x15b0 [15373.259834][ T7704] ip6_route_info_create+0xf18/0x17d0 [15373.259834][ T7704] ip6_route_add+0x1c/0x140 [15373.259834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15373.259834][ T7704] addrconf_add_dev+0xe2/0x170 [15373.259834][ T7704] inet6_addr_add+0x12f/0xa40 [15373.259834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15373.259834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15373.259834][ T7704] netlink_rcv_skb+0x130/0x360 [15373.259834][ T7704] netlink_unicast+0x449/0x710 [15373.259834][ T7704] netlink_sendmsg+0x723/0xbe0 [15373.259834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15373.259834][ T7704] ___sys_sendmsg+0xee/0x170 [15373.259834][ T7704] __sys_sendmsg+0xcd/0x170 [15373.259834][ T7704] do_syscall_64+0xc6/0x1e0 [15373.259834][ T7704] [15373.262013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15373.262013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15373.262013][ T7704] ipv6_find_idev+0x102/0x170 [15373.262013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15373.262013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15373.262013][ T7704] netlink_rcv_skb+0x130/0x360 [15373.262013][ T7704] netlink_unicast+0x449/0x710 [15373.262013][ T7704] netlink_sendmsg+0x723/0xbe0 [15373.262013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15373.262013][ T7704] ___sys_sendmsg+0xee/0x170 [15373.262013][ T7704] __sys_sendmsg+0xcd/0x170 [15373.262013][ T7704] do_syscall_64+0xc6/0x1e0 [15373.262013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15373.262013][ T7704] [15373.263721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15373.263721][ T7704] neigh_parms_alloc+0x1e5/0x510 [15373.263721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15373.263721][ T7704] ipv6_find_idev+0x102/0x170 [15373.263721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15373.263721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15373.263721][ T7704] netlink_rcv_skb+0x130/0x360 [15373.263721][ T7704] netlink_unicast+0x449/0x710 [15373.263721][ T7704] netlink_sendmsg+0x723/0xbe0 [15373.263721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15373.263721][ T7704] ___sys_sendmsg+0xee/0x170 [15373.263721][ T7704] __sys_sendmsg+0xcd/0x170 [15373.263721][ T7704] do_syscall_64+0xc6/0x1e0 [15373.263721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15373.263721][ T7704] [15383.510916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15383.511507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15383.511507][ T7704] netdev_get_by_index+0x5e/0x80 [15383.511507][ T7704] fib6_nh_init+0x3d8/0x15b0 [15383.511507][ T7704] ip6_route_info_create+0xf18/0x17d0 [15383.511507][ T7704] ip6_route_add+0x1c/0x140 [15383.511507][ T7704] addrconf_prefix_route+0x2a6/0x430 [15383.511507][ T7704] inet6_addr_add+0x4f8/0xa40 [15383.511507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15383.511507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15383.511507][ T7704] netlink_rcv_skb+0x130/0x360 [15383.511507][ T7704] netlink_unicast+0x449/0x710 [15383.511507][ T7704] netlink_sendmsg+0x723/0xbe0 [15383.511507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15383.511507][ T7704] ___sys_sendmsg+0xee/0x170 [15383.511507][ T7704] __sys_sendmsg+0xcd/0x170 [15383.511507][ T7704] do_syscall_64+0xc6/0x1e0 [15383.511507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15383.511507][ T7704] [15383.515021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15383.515021][ T7704] netdev_get_by_index+0x5e/0x80 [15383.515021][ T7704] fib6_nh_init+0x3d8/0x15b0 [15383.515021][ T7704] ip6_route_info_create+0xf18/0x17d0 [15383.515021][ T7704] addrconf_f6i_alloc+0x315/0x560 [15383.515021][ T7704] ipv6_add_addr+0x411/0x2000 [15383.515021][ T7704] inet6_addr_add+0x30e/0xa40 [15383.515021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15383.515021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15383.515021][ T7704] netlink_rcv_skb+0x130/0x360 [15383.515021][ T7704] netlink_unicast+0x449/0x710 [15383.515021][ T7704] netlink_sendmsg+0x723/0xbe0 [15383.515021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15383.515021][ T7704] ___sys_sendmsg+0xee/0x170 [15383.515021][ T7704] __sys_sendmsg+0xcd/0x170 [15383.515021][ T7704] do_syscall_64+0xc6/0x1e0 [15383.515021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15383.515021][ T7704] [15383.518348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15383.518348][ T7704] netdev_get_by_index+0x5e/0x80 [15383.518348][ T7704] fib6_nh_init+0x3d8/0x15b0 [15383.518348][ T7704] ip6_route_info_create+0xf18/0x17d0 [15383.518348][ T7704] ip6_route_add+0x1c/0x140 [15383.518348][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15383.518348][ T7704] addrconf_add_dev+0xe2/0x170 [15383.518348][ T7704] inet6_addr_add+0x12f/0xa40 [15383.518348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15383.518348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15383.518348][ T7704] netlink_rcv_skb+0x130/0x360 [15383.518348][ T7704] netlink_unicast+0x449/0x710 [15383.518348][ T7704] netlink_sendmsg+0x723/0xbe0 [15383.518348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15383.518348][ T7704] ___sys_sendmsg+0xee/0x170 [15383.518348][ T7704] __sys_sendmsg+0xcd/0x170 [15383.518348][ T7704] do_syscall_64+0xc6/0x1e0 [15383.518348][ T7704] [15383.521259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15383.521259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15383.521259][ T7704] ipv6_find_idev+0x102/0x170 [15383.521259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15383.521259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15383.521259][ T7704] netlink_rcv_skb+0x130/0x360 [15383.521259][ T7704] netlink_unicast+0x449/0x710 [15383.521259][ T7704] netlink_sendmsg+0x723/0xbe0 [15383.521259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15383.521259][ T7704] ___sys_sendmsg+0xee/0x170 [15383.521259][ T7704] __sys_sendmsg+0xcd/0x170 [15383.521259][ T7704] do_syscall_64+0xc6/0x1e0 [15383.521259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15383.521259][ T7704] [15383.523155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15383.523155][ T7704] neigh_parms_alloc+0x1e5/0x510 [15383.523155][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15383.523155][ T7704] ipv6_find_idev+0x102/0x170 [15383.523155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15383.523155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15383.523155][ T7704] netlink_rcv_skb+0x130/0x360 [15383.523155][ T7704] netlink_unicast+0x449/0x710 [15383.523155][ T7704] netlink_sendmsg+0x723/0xbe0 [15383.523155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15383.523155][ T7704] ___sys_sendmsg+0xee/0x170 [15383.523155][ T7704] __sys_sendmsg+0xcd/0x170 [15383.523155][ T7704] do_syscall_64+0xc6/0x1e0 [15383.523155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15383.523155][ T7704] [15393.774961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15393.775381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15393.775381][ T7704] netdev_get_by_index+0x5e/0x80 [15393.775381][ T7704] fib6_nh_init+0x3d8/0x15b0 [15393.775381][ T7704] ip6_route_info_create+0xf18/0x17d0 [15393.775381][ T7704] ip6_route_add+0x1c/0x140 [15393.775381][ T7704] addrconf_prefix_route+0x2a6/0x430 [15393.775381][ T7704] inet6_addr_add+0x4f8/0xa40 [15393.775381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15393.775381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15393.775381][ T7704] netlink_rcv_skb+0x130/0x360 [15393.775381][ T7704] netlink_unicast+0x449/0x710 [15393.775381][ T7704] netlink_sendmsg+0x723/0xbe0 [15393.775381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15393.775381][ T7704] ___sys_sendmsg+0xee/0x170 [15393.775381][ T7704] __sys_sendmsg+0xcd/0x170 [15393.775381][ T7704] do_syscall_64+0xc6/0x1e0 [15393.775381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15393.775381][ T7704] [15393.777646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15393.777646][ T7704] netdev_get_by_index+0x5e/0x80 [15393.777646][ T7704] fib6_nh_init+0x3d8/0x15b0 [15393.777646][ T7704] ip6_route_info_create+0xf18/0x17d0 [15393.777646][ T7704] addrconf_f6i_alloc+0x315/0x560 [15393.777646][ T7704] ipv6_add_addr+0x411/0x2000 [15393.777646][ T7704] inet6_addr_add+0x30e/0xa40 [15393.777646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15393.777646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15393.777646][ T7704] netlink_rcv_skb+0x130/0x360 [15393.777646][ T7704] netlink_unicast+0x449/0x710 [15393.777646][ T7704] netlink_sendmsg+0x723/0xbe0 [15393.777646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15393.777646][ T7704] ___sys_sendmsg+0xee/0x170 [15393.777646][ T7704] __sys_sendmsg+0xcd/0x170 [15393.777646][ T7704] do_syscall_64+0xc6/0x1e0 [15393.777646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15393.777646][ T7704] [15393.779876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15393.779876][ T7704] netdev_get_by_index+0x5e/0x80 [15393.779876][ T7704] fib6_nh_init+0x3d8/0x15b0 [15393.779876][ T7704] ip6_route_info_create+0xf18/0x17d0 [15393.779876][ T7704] ip6_route_add+0x1c/0x140 [15393.779876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15393.779876][ T7704] addrconf_add_dev+0xe2/0x170 [15393.779876][ T7704] inet6_addr_add+0x12f/0xa40 [15393.779876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15393.779876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15393.779876][ T7704] netlink_rcv_skb+0x130/0x360 [15393.779876][ T7704] netlink_unicast+0x449/0x710 [15393.779876][ T7704] netlink_sendmsg+0x723/0xbe0 [15393.779876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15393.779876][ T7704] ___sys_sendmsg+0xee/0x170 [15393.779876][ T7704] __sys_sendmsg+0xcd/0x170 [15393.779876][ T7704] do_syscall_64+0xc6/0x1e0 [15393.779876][ T7704] [15393.782068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15393.782068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15393.782068][ T7704] ipv6_find_idev+0x102/0x170 [15393.782068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15393.782068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15393.782068][ T7704] netlink_rcv_skb+0x130/0x360 [15393.782068][ T7704] netlink_unicast+0x449/0x710 [15393.782068][ T7704] netlink_sendmsg+0x723/0xbe0 [15393.782068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15393.782068][ T7704] ___sys_sendmsg+0xee/0x170 [15393.782068][ T7704] __sys_sendmsg+0xcd/0x170 [15393.782068][ T7704] do_syscall_64+0xc6/0x1e0 [15393.782068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15393.782068][ T7704] [15393.783783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15393.783783][ T7704] neigh_parms_alloc+0x1e5/0x510 [15393.783783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15393.783783][ T7704] ipv6_find_idev+0x102/0x170 [15393.783783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15393.783783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15393.783783][ T7704] netlink_rcv_skb+0x130/0x360 [15393.783783][ T7704] netlink_unicast+0x449/0x710 [15393.783783][ T7704] netlink_sendmsg+0x723/0xbe0 [15393.783783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15393.783783][ T7704] ___sys_sendmsg+0xee/0x170 [15393.783783][ T7704] __sys_sendmsg+0xcd/0x170 [15393.783783][ T7704] do_syscall_64+0xc6/0x1e0 [15393.783783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15393.783783][ T7704] [15403.998886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15403.999324][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15403.999324][ T7704] netdev_get_by_index+0x5e/0x80 [15403.999324][ T7704] fib6_nh_init+0x3d8/0x15b0 [15403.999324][ T7704] ip6_route_info_create+0xf18/0x17d0 [15403.999324][ T7704] ip6_route_add+0x1c/0x140 [15403.999324][ T7704] addrconf_prefix_route+0x2a6/0x430 [15403.999324][ T7704] inet6_addr_add+0x4f8/0xa40 [15403.999324][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15403.999324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15403.999324][ T7704] netlink_rcv_skb+0x130/0x360 [15403.999324][ T7704] netlink_unicast+0x449/0x710 [15403.999324][ T7704] netlink_sendmsg+0x723/0xbe0 [15403.999324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15403.999324][ T7704] ___sys_sendmsg+0xee/0x170 [15403.999324][ T7704] __sys_sendmsg+0xcd/0x170 [15403.999324][ T7704] do_syscall_64+0xc6/0x1e0 [15403.999324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15403.999324][ T7704] [15404.001559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15404.001559][ T7704] netdev_get_by_index+0x5e/0x80 [15404.001559][ T7704] fib6_nh_init+0x3d8/0x15b0 [15404.001559][ T7704] ip6_route_info_create+0xf18/0x17d0 [15404.001559][ T7704] addrconf_f6i_alloc+0x315/0x560 [15404.001559][ T7704] ipv6_add_addr+0x411/0x2000 [15404.001559][ T7704] inet6_addr_add+0x30e/0xa40 [15404.001559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15404.001559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15404.001559][ T7704] netlink_rcv_skb+0x130/0x360 [15404.001559][ T7704] netlink_unicast+0x449/0x710 [15404.001559][ T7704] netlink_sendmsg+0x723/0xbe0 [15404.001559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15404.001559][ T7704] ___sys_sendmsg+0xee/0x170 [15404.001559][ T7704] __sys_sendmsg+0xcd/0x170 [15404.001559][ T7704] do_syscall_64+0xc6/0x1e0 [15404.001559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15404.001559][ T7704] [15404.003870][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15404.003870][ T7704] netdev_get_by_index+0x5e/0x80 [15404.003870][ T7704] fib6_nh_init+0x3d8/0x15b0 [15404.003870][ T7704] ip6_route_info_create+0xf18/0x17d0 [15404.003870][ T7704] ip6_route_add+0x1c/0x140 [15404.003870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15404.003870][ T7704] addrconf_add_dev+0xe2/0x170 [15404.003870][ T7704] inet6_addr_add+0x12f/0xa40 [15404.003870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15404.003870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15404.003870][ T7704] netlink_rcv_skb+0x130/0x360 [15404.003870][ T7704] netlink_unicast+0x449/0x710 [15404.003870][ T7704] netlink_sendmsg+0x723/0xbe0 [15404.003870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15404.003870][ T7704] ___sys_sendmsg+0xee/0x170 [15404.003870][ T7704] __sys_sendmsg+0xcd/0x170 [15404.003870][ T7704] do_syscall_64+0xc6/0x1e0 [15404.003870][ T7704] [15404.006047][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15404.006047][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15404.006047][ T7704] ipv6_find_idev+0x102/0x170 [15404.006047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15404.006047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15404.006047][ T7704] netlink_rcv_skb+0x130/0x360 [15404.006047][ T7704] netlink_unicast+0x449/0x710 [15404.006047][ T7704] netlink_sendmsg+0x723/0xbe0 [15404.006047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15404.006047][ T7704] ___sys_sendmsg+0xee/0x170 [15404.006047][ T7704] __sys_sendmsg+0xcd/0x170 [15404.006047][ T7704] do_syscall_64+0xc6/0x1e0 [15404.006047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15404.006047][ T7704] [15404.007757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15404.007757][ T7704] neigh_parms_alloc+0x1e5/0x510 [15404.007757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15404.007757][ T7704] ipv6_find_idev+0x102/0x170 [15404.007757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15404.007757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15404.007757][ T7704] netlink_rcv_skb+0x130/0x360 [15404.007757][ T7704] netlink_unicast+0x449/0x710 [15404.007757][ T7704] netlink_sendmsg+0x723/0xbe0 [15404.007757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15404.007757][ T7704] ___sys_sendmsg+0xee/0x170 [15404.007757][ T7704] __sys_sendmsg+0xcd/0x170 [15404.007757][ T7704] do_syscall_64+0xc6/0x1e0 [15404.007757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15404.007757][ T7704] [15414.247051][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15414.247716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15414.247716][ T7704] netdev_get_by_index+0x5e/0x80 [15414.247716][ T7704] fib6_nh_init+0x3d8/0x15b0 [15414.247716][ T7704] ip6_route_info_create+0xf18/0x17d0 [15414.247716][ T7704] ip6_route_add+0x1c/0x140 [15414.247716][ T7704] addrconf_prefix_route+0x2a6/0x430 [15414.247716][ T7704] inet6_addr_add+0x4f8/0xa40 [15414.247716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15414.247716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15414.247716][ T7704] netlink_rcv_skb+0x130/0x360 [15414.247716][ T7704] netlink_unicast+0x449/0x710 [15414.247716][ T7704] netlink_sendmsg+0x723/0xbe0 [15414.247716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15414.247716][ T7704] ___sys_sendmsg+0xee/0x170 [15414.247716][ T7704] __sys_sendmsg+0xcd/0x170 [15414.247716][ T7704] do_syscall_64+0xc6/0x1e0 [15414.247716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15414.247716][ T7704] [15414.249968][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15414.249968][ T7704] netdev_get_by_index+0x5e/0x80 [15414.249968][ T7704] fib6_nh_init+0x3d8/0x15b0 [15414.249968][ T7704] ip6_route_info_create+0xf18/0x17d0 [15414.249968][ T7704] addrconf_f6i_alloc+0x315/0x560 [15414.249968][ T7704] ipv6_add_addr+0x411/0x2000 [15414.249968][ T7704] inet6_addr_add+0x30e/0xa40 [15414.249968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15414.249968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15414.249968][ T7704] netlink_rcv_skb+0x130/0x360 [15414.249968][ T7704] netlink_unicast+0x449/0x710 [15414.249968][ T7704] netlink_sendmsg+0x723/0xbe0 [15414.249968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15414.249968][ T7704] ___sys_sendmsg+0xee/0x170 [15414.249968][ T7704] __sys_sendmsg+0xcd/0x170 [15414.249968][ T7704] do_syscall_64+0xc6/0x1e0 [15414.249968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15414.249968][ T7704] [15414.252205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15414.252205][ T7704] netdev_get_by_index+0x5e/0x80 [15414.252205][ T7704] fib6_nh_init+0x3d8/0x15b0 [15414.252205][ T7704] ip6_route_info_create+0xf18/0x17d0 [15414.252205][ T7704] ip6_route_add+0x1c/0x140 [15414.252205][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15414.252205][ T7704] addrconf_add_dev+0xe2/0x170 [15414.252205][ T7704] inet6_addr_add+0x12f/0xa40 [15414.252205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15414.252205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15414.252205][ T7704] netlink_rcv_skb+0x130/0x360 [15414.252205][ T7704] netlink_unicast+0x449/0x710 [15414.252205][ T7704] netlink_sendmsg+0x723/0xbe0 [15414.252205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15414.252205][ T7704] ___sys_sendmsg+0xee/0x170 [15414.252205][ T7704] __sys_sendmsg+0xcd/0x170 [15414.252205][ T7704] do_syscall_64+0xc6/0x1e0 [15414.252205][ T7704] [15414.254418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15414.254418][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15414.254418][ T7704] ipv6_find_idev+0x102/0x170 [15414.254418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15414.254418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15414.254418][ T7704] netlink_rcv_skb+0x130/0x360 [15414.254418][ T7704] netlink_unicast+0x449/0x710 [15414.254418][ T7704] netlink_sendmsg+0x723/0xbe0 [15414.254418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15414.254418][ T7704] ___sys_sendmsg+0xee/0x170 [15414.254418][ T7704] __sys_sendmsg+0xcd/0x170 [15414.254418][ T7704] do_syscall_64+0xc6/0x1e0 [15414.254418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15414.254418][ T7704] [15414.256118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15414.256118][ T7704] neigh_parms_alloc+0x1e5/0x510 [15414.256118][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15414.256118][ T7704] ipv6_find_idev+0x102/0x170 [15414.256118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15414.256118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15414.256118][ T7704] netlink_rcv_skb+0x130/0x360 [15414.256118][ T7704] netlink_unicast+0x449/0x710 [15414.256118][ T7704] netlink_sendmsg+0x723/0xbe0 [15414.256118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15414.256118][ T7704] ___sys_sendmsg+0xee/0x170 [15414.256118][ T7704] __sys_sendmsg+0xcd/0x170 [15414.256118][ T7704] do_syscall_64+0xc6/0x1e0 [15414.256118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15414.256118][ T7704] [15424.335120][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15424.335596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15424.335596][ T7704] netdev_get_by_index+0x5e/0x80 [15424.335596][ T7704] fib6_nh_init+0x3d8/0x15b0 [15424.335596][ T7704] ip6_route_info_create+0xf18/0x17d0 [15424.335596][ T7704] ip6_route_add+0x1c/0x140 [15424.335596][ T7704] addrconf_prefix_route+0x2a6/0x430 [15424.335596][ T7704] inet6_addr_add+0x4f8/0xa40 [15424.335596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15424.335596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15424.335596][ T7704] netlink_rcv_skb+0x130/0x360 [15424.335596][ T7704] netlink_unicast+0x449/0x710 [15424.335596][ T7704] netlink_sendmsg+0x723/0xbe0 [15424.335596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15424.335596][ T7704] ___sys_sendmsg+0xee/0x170 [15424.335596][ T7704] __sys_sendmsg+0xcd/0x170 [15424.335596][ T7704] do_syscall_64+0xc6/0x1e0 [15424.335596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15424.335596][ T7704] [15424.337865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15424.337865][ T7704] netdev_get_by_index+0x5e/0x80 [15424.337865][ T7704] fib6_nh_init+0x3d8/0x15b0 [15424.337865][ T7704] ip6_route_info_create+0xf18/0x17d0 [15424.337865][ T7704] addrconf_f6i_alloc+0x315/0x560 [15424.337865][ T7704] ipv6_add_addr+0x411/0x2000 [15424.337865][ T7704] inet6_addr_add+0x30e/0xa40 [15424.337865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15424.337865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15424.337865][ T7704] netlink_rcv_skb+0x130/0x360 [15424.337865][ T7704] netlink_unicast+0x449/0x710 [15424.337865][ T7704] netlink_sendmsg+0x723/0xbe0 [15424.337865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15424.337865][ T7704] ___sys_sendmsg+0xee/0x170 [15424.337865][ T7704] __sys_sendmsg+0xcd/0x170 [15424.337865][ T7704] do_syscall_64+0xc6/0x1e0 [15424.337865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15424.337865][ T7704] [15424.340103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15424.340103][ T7704] netdev_get_by_index+0x5e/0x80 [15424.340103][ T7704] fib6_nh_init+0x3d8/0x15b0 [15424.340103][ T7704] ip6_route_info_create+0xf18/0x17d0 [15424.340103][ T7704] ip6_route_add+0x1c/0x140 [15424.340103][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15424.340103][ T7704] addrconf_add_dev+0xe2/0x170 [15424.340103][ T7704] inet6_addr_add+0x12f/0xa40 [15424.340103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15424.340103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15424.340103][ T7704] netlink_rcv_skb+0x130/0x360 [15424.340103][ T7704] netlink_unicast+0x449/0x710 [15424.340103][ T7704] netlink_sendmsg+0x723/0xbe0 [15424.340103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15424.340103][ T7704] ___sys_sendmsg+0xee/0x170 [15424.340103][ T7704] __sys_sendmsg+0xcd/0x170 [15424.340103][ T7704] do_syscall_64+0xc6/0x1e0 [15424.340103][ T7704] [15424.342291][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15424.342291][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15424.342291][ T7704] ipv6_find_idev+0x102/0x170 [15424.342291][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15424.342291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15424.342291][ T7704] netlink_rcv_skb+0x130/0x360 [15424.342291][ T7704] netlink_unicast+0x449/0x710 [15424.342291][ T7704] netlink_sendmsg+0x723/0xbe0 [15424.342291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15424.342291][ T7704] ___sys_sendmsg+0xee/0x170 [15424.342291][ T7704] __sys_sendmsg+0xcd/0x170 [15424.342291][ T7704] do_syscall_64+0xc6/0x1e0 [15424.342291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15424.342291][ T7704] [15424.344005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15424.344005][ T7704] neigh_parms_alloc+0x1e5/0x510 [15424.344005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15424.344005][ T7704] ipv6_find_idev+0x102/0x170 [15424.344005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15424.344005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15424.344005][ T7704] netlink_rcv_skb+0x130/0x360 [15424.344005][ T7704] netlink_unicast+0x449/0x710 [15424.344005][ T7704] netlink_sendmsg+0x723/0xbe0 [15424.344005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15424.344005][ T7704] ___sys_sendmsg+0xee/0x170 [15424.344005][ T7704] __sys_sendmsg+0xcd/0x170 [15424.344005][ T7704] do_syscall_64+0xc6/0x1e0 [15424.344005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15424.344005][ T7704] [15434.583126][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15434.583956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15434.583956][ T7704] netdev_get_by_index+0x5e/0x80 [15434.583956][ T7704] fib6_nh_init+0x3d8/0x15b0 [15434.583956][ T7704] ip6_route_info_create+0xf18/0x17d0 [15434.583956][ T7704] ip6_route_add+0x1c/0x140 [15434.583956][ T7704] addrconf_prefix_route+0x2a6/0x430 [15434.583956][ T7704] inet6_addr_add+0x4f8/0xa40 [15434.583956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15434.583956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15434.583956][ T7704] netlink_rcv_skb+0x130/0x360 [15434.583956][ T7704] netlink_unicast+0x449/0x710 [15434.583956][ T7704] netlink_sendmsg+0x723/0xbe0 [15434.583956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15434.583956][ T7704] ___sys_sendmsg+0xee/0x170 [15434.583956][ T7704] __sys_sendmsg+0xcd/0x170 [15434.583956][ T7704] do_syscall_64+0xc6/0x1e0 [15434.583956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15434.583956][ T7704] [15434.586247][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15434.586247][ T7704] netdev_get_by_index+0x5e/0x80 [15434.586247][ T7704] fib6_nh_init+0x3d8/0x15b0 [15434.586247][ T7704] ip6_route_info_create+0xf18/0x17d0 [15434.586247][ T7704] addrconf_f6i_alloc+0x315/0x560 [15434.586247][ T7704] ipv6_add_addr+0x411/0x2000 [15434.586247][ T7704] inet6_addr_add+0x30e/0xa40 [15434.586247][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15434.586247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15434.586247][ T7704] netlink_rcv_skb+0x130/0x360 [15434.586247][ T7704] netlink_unicast+0x449/0x710 [15434.586247][ T7704] netlink_sendmsg+0x723/0xbe0 [15434.586247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15434.586247][ T7704] ___sys_sendmsg+0xee/0x170 [15434.586247][ T7704] __sys_sendmsg+0xcd/0x170 [15434.586247][ T7704] do_syscall_64+0xc6/0x1e0 [15434.586247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15434.586247][ T7704] [15434.588476][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15434.588476][ T7704] netdev_get_by_index+0x5e/0x80 [15434.588476][ T7704] fib6_nh_init+0x3d8/0x15b0 [15434.588476][ T7704] ip6_route_info_create+0xf18/0x17d0 [15434.588476][ T7704] ip6_route_add+0x1c/0x140 [15434.588476][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15434.588476][ T7704] addrconf_add_dev+0xe2/0x170 [15434.588476][ T7704] inet6_addr_add+0x12f/0xa40 [15434.588476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15434.588476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15434.588476][ T7704] netlink_rcv_skb+0x130/0x360 [15434.588476][ T7704] netlink_unicast+0x449/0x710 [15434.588476][ T7704] netlink_sendmsg+0x723/0xbe0 [15434.588476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15434.588476][ T7704] ___sys_sendmsg+0xee/0x170 [15434.588476][ T7704] __sys_sendmsg+0xcd/0x170 [15434.588476][ T7704] do_syscall_64+0xc6/0x1e0 [15434.588476][ T7704] [15434.590625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15434.590625][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15434.590625][ T7704] ipv6_find_idev+0x102/0x170 [15434.590625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15434.590625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15434.590625][ T7704] netlink_rcv_skb+0x130/0x360 [15434.590625][ T7704] netlink_unicast+0x449/0x710 [15434.590625][ T7704] netlink_sendmsg+0x723/0xbe0 [15434.590625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15434.590625][ T7704] ___sys_sendmsg+0xee/0x170 [15434.590625][ T7704] __sys_sendmsg+0xcd/0x170 [15434.590625][ T7704] do_syscall_64+0xc6/0x1e0 [15434.590625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15434.590625][ T7704] [15434.592285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15434.592285][ T7704] neigh_parms_alloc+0x1e5/0x510 [15434.592285][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15434.592285][ T7704] ipv6_find_idev+0x102/0x170 [15434.592285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15434.592285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15434.592285][ T7704] netlink_rcv_skb+0x130/0x360 [15434.592285][ T7704] netlink_unicast+0x449/0x710 [15434.592285][ T7704] netlink_sendmsg+0x723/0xbe0 [15434.592285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15434.592285][ T7704] ___sys_sendmsg+0xee/0x170 [15434.592285][ T7704] __sys_sendmsg+0xcd/0x170 [15434.592285][ T7704] do_syscall_64+0xc6/0x1e0 [15434.592285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15434.592285][ T7704] [15444.830949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15444.831459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15444.831459][ T7704] netdev_get_by_index+0x5e/0x80 [15444.831459][ T7704] fib6_nh_init+0x3d8/0x15b0 [15444.831459][ T7704] ip6_route_info_create+0xf18/0x17d0 [15444.831459][ T7704] ip6_route_add+0x1c/0x140 [15444.831459][ T7704] addrconf_prefix_route+0x2a6/0x430 [15444.831459][ T7704] inet6_addr_add+0x4f8/0xa40 [15444.831459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15444.831459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15444.831459][ T7704] netlink_rcv_skb+0x130/0x360 [15444.831459][ T7704] netlink_unicast+0x449/0x710 [15444.831459][ T7704] netlink_sendmsg+0x723/0xbe0 [15444.831459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15444.831459][ T7704] ___sys_sendmsg+0xee/0x170 [15444.831459][ T7704] __sys_sendmsg+0xcd/0x170 [15444.831459][ T7704] do_syscall_64+0xc6/0x1e0 [15444.831459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15444.831459][ T7704] [15444.833702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15444.833702][ T7704] netdev_get_by_index+0x5e/0x80 [15444.833702][ T7704] fib6_nh_init+0x3d8/0x15b0 [15444.833702][ T7704] ip6_route_info_create+0xf18/0x17d0 [15444.833702][ T7704] addrconf_f6i_alloc+0x315/0x560 [15444.833702][ T7704] ipv6_add_addr+0x411/0x2000 [15444.833702][ T7704] inet6_addr_add+0x30e/0xa40 [15444.833702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15444.833702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15444.833702][ T7704] netlink_rcv_skb+0x130/0x360 [15444.833702][ T7704] netlink_unicast+0x449/0x710 [15444.833702][ T7704] netlink_sendmsg+0x723/0xbe0 [15444.833702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15444.833702][ T7704] ___sys_sendmsg+0xee/0x170 [15444.833702][ T7704] __sys_sendmsg+0xcd/0x170 [15444.833702][ T7704] do_syscall_64+0xc6/0x1e0 [15444.833702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15444.833702][ T7704] [15444.835962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15444.835962][ T7704] netdev_get_by_index+0x5e/0x80 [15444.835962][ T7704] fib6_nh_init+0x3d8/0x15b0 [15444.835962][ T7704] ip6_route_info_create+0xf18/0x17d0 [15444.835962][ T7704] ip6_route_add+0x1c/0x140 [15444.835962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15444.835962][ T7704] addrconf_add_dev+0xe2/0x170 [15444.835962][ T7704] inet6_addr_add+0x12f/0xa40 [15444.835962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15444.835962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15444.835962][ T7704] netlink_rcv_skb+0x130/0x360 [15444.835962][ T7704] netlink_unicast+0x449/0x710 [15444.835962][ T7704] netlink_sendmsg+0x723/0xbe0 [15444.835962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15444.835962][ T7704] ___sys_sendmsg+0xee/0x170 [15444.835962][ T7704] __sys_sendmsg+0xcd/0x170 [15444.835962][ T7704] do_syscall_64+0xc6/0x1e0 [15444.835962][ T7704] [15444.838153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15444.838153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15444.838153][ T7704] ipv6_find_idev+0x102/0x170 [15444.838153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15444.838153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15444.838153][ T7704] netlink_rcv_skb+0x130/0x360 [15444.838153][ T7704] netlink_unicast+0x449/0x710 [15444.838153][ T7704] netlink_sendmsg+0x723/0xbe0 [15444.838153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15444.838153][ T7704] ___sys_sendmsg+0xee/0x170 [15444.838153][ T7704] __sys_sendmsg+0xcd/0x170 [15444.838153][ T7704] do_syscall_64+0xc6/0x1e0 [15444.838153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15444.838153][ T7704] [15444.839860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15444.839860][ T7704] neigh_parms_alloc+0x1e5/0x510 [15444.839860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15444.839860][ T7704] ipv6_find_idev+0x102/0x170 [15444.839860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15444.839860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15444.839860][ T7704] netlink_rcv_skb+0x130/0x360 [15444.839860][ T7704] netlink_unicast+0x449/0x710 [15444.839860][ T7704] netlink_sendmsg+0x723/0xbe0 [15444.839860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15444.839860][ T7704] ___sys_sendmsg+0xee/0x170 [15444.839860][ T7704] __sys_sendmsg+0xcd/0x170 [15444.839860][ T7704] do_syscall_64+0xc6/0x1e0 [15444.839860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15444.839860][ T7704] [15454.974971][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15454.975453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15454.975453][ T7704] netdev_get_by_index+0x5e/0x80 [15454.975453][ T7704] fib6_nh_init+0x3d8/0x15b0 [15454.975453][ T7704] ip6_route_info_create+0xf18/0x17d0 [15454.975453][ T7704] ip6_route_add+0x1c/0x140 [15454.975453][ T7704] addrconf_prefix_route+0x2a6/0x430 [15454.975453][ T7704] inet6_addr_add+0x4f8/0xa40 [15454.975453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15454.975453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15454.975453][ T7704] netlink_rcv_skb+0x130/0x360 [15454.975453][ T7704] netlink_unicast+0x449/0x710 [15454.975453][ T7704] netlink_sendmsg+0x723/0xbe0 [15454.975453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15454.975453][ T7704] ___sys_sendmsg+0xee/0x170 [15454.975453][ T7704] __sys_sendmsg+0xcd/0x170 [15454.975453][ T7704] do_syscall_64+0xc6/0x1e0 [15454.975453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15454.975453][ T7704] [15454.977708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15454.977708][ T7704] netdev_get_by_index+0x5e/0x80 [15454.977708][ T7704] fib6_nh_init+0x3d8/0x15b0 [15454.977708][ T7704] ip6_route_info_create+0xf18/0x17d0 [15454.977708][ T7704] addrconf_f6i_alloc+0x315/0x560 [15454.977708][ T7704] ipv6_add_addr+0x411/0x2000 [15454.977708][ T7704] inet6_addr_add+0x30e/0xa40 [15454.977708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15454.977708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15454.977708][ T7704] netlink_rcv_skb+0x130/0x360 [15454.977708][ T7704] netlink_unicast+0x449/0x710 [15454.977708][ T7704] netlink_sendmsg+0x723/0xbe0 [15454.977708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15454.977708][ T7704] ___sys_sendmsg+0xee/0x170 [15454.977708][ T7704] __sys_sendmsg+0xcd/0x170 [15454.977708][ T7704] do_syscall_64+0xc6/0x1e0 [15454.977708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15454.977708][ T7704] [15454.979948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15454.979948][ T7704] netdev_get_by_index+0x5e/0x80 [15454.979948][ T7704] fib6_nh_init+0x3d8/0x15b0 [15454.979948][ T7704] ip6_route_info_create+0xf18/0x17d0 [15454.979948][ T7704] ip6_route_add+0x1c/0x140 [15454.979948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15454.979948][ T7704] addrconf_add_dev+0xe2/0x170 [15454.979948][ T7704] inet6_addr_add+0x12f/0xa40 [15454.979948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15454.979948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15454.979948][ T7704] netlink_rcv_skb+0x130/0x360 [15454.979948][ T7704] netlink_unicast+0x449/0x710 [15454.979948][ T7704] netlink_sendmsg+0x723/0xbe0 [15454.979948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15454.979948][ T7704] ___sys_sendmsg+0xee/0x170 [15454.979948][ T7704] __sys_sendmsg+0xcd/0x170 [15454.979948][ T7704] do_syscall_64+0xc6/0x1e0 [15454.979948][ T7704] [15454.982131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15454.982131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15454.982131][ T7704] ipv6_find_idev+0x102/0x170 [15454.982131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15454.982131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15454.982131][ T7704] netlink_rcv_skb+0x130/0x360 [15454.982131][ T7704] netlink_unicast+0x449/0x710 [15454.982131][ T7704] netlink_sendmsg+0x723/0xbe0 [15454.982131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15454.982131][ T7704] ___sys_sendmsg+0xee/0x170 [15454.982131][ T7704] __sys_sendmsg+0xcd/0x170 [15454.982131][ T7704] do_syscall_64+0xc6/0x1e0 [15454.982131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15454.982131][ T7704] [15454.983832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15454.983832][ T7704] neigh_parms_alloc+0x1e5/0x510 [15454.983832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15454.983832][ T7704] ipv6_find_idev+0x102/0x170 [15454.983832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15454.983832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15454.983832][ T7704] netlink_rcv_skb+0x130/0x360 [15454.983832][ T7704] netlink_unicast+0x449/0x710 [15454.983832][ T7704] netlink_sendmsg+0x723/0xbe0 [15454.983832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15454.983832][ T7704] ___sys_sendmsg+0xee/0x170 [15454.983832][ T7704] __sys_sendmsg+0xcd/0x170 [15454.983832][ T7704] do_syscall_64+0xc6/0x1e0 [15454.983832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15454.983832][ T7704] [15465.142939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15465.143423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15465.143423][ T7704] netdev_get_by_index+0x5e/0x80 [15465.143423][ T7704] fib6_nh_init+0x3d8/0x15b0 [15465.143423][ T7704] ip6_route_info_create+0xf18/0x17d0 [15465.143423][ T7704] ip6_route_add+0x1c/0x140 [15465.143423][ T7704] addrconf_prefix_route+0x2a6/0x430 [15465.143423][ T7704] inet6_addr_add+0x4f8/0xa40 [15465.143423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15465.143423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15465.143423][ T7704] netlink_rcv_skb+0x130/0x360 [15465.143423][ T7704] netlink_unicast+0x449/0x710 [15465.143423][ T7704] netlink_sendmsg+0x723/0xbe0 [15465.143423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15465.143423][ T7704] ___sys_sendmsg+0xee/0x170 [15465.143423][ T7704] __sys_sendmsg+0xcd/0x170 [15465.143423][ T7704] do_syscall_64+0xc6/0x1e0 [15465.143423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15465.143423][ T7704] [15465.145663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15465.145663][ T7704] netdev_get_by_index+0x5e/0x80 [15465.145663][ T7704] fib6_nh_init+0x3d8/0x15b0 [15465.145663][ T7704] ip6_route_info_create+0xf18/0x17d0 [15465.145663][ T7704] addrconf_f6i_alloc+0x315/0x560 [15465.145663][ T7704] ipv6_add_addr+0x411/0x2000 [15465.145663][ T7704] inet6_addr_add+0x30e/0xa40 [15465.145663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15465.145663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15465.145663][ T7704] netlink_rcv_skb+0x130/0x360 [15465.145663][ T7704] netlink_unicast+0x449/0x710 [15465.145663][ T7704] netlink_sendmsg+0x723/0xbe0 [15465.145663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15465.145663][ T7704] ___sys_sendmsg+0xee/0x170 [15465.145663][ T7704] __sys_sendmsg+0xcd/0x170 [15465.145663][ T7704] do_syscall_64+0xc6/0x1e0 [15465.145663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15465.145663][ T7704] [15465.147892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15465.147892][ T7704] netdev_get_by_index+0x5e/0x80 [15465.147892][ T7704] fib6_nh_init+0x3d8/0x15b0 [15465.147892][ T7704] ip6_route_info_create+0xf18/0x17d0 [15465.147892][ T7704] ip6_route_add+0x1c/0x140 [15465.147892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15465.147892][ T7704] addrconf_add_dev+0xe2/0x170 [15465.147892][ T7704] inet6_addr_add+0x12f/0xa40 [15465.147892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15465.147892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15465.147892][ T7704] netlink_rcv_skb+0x130/0x360 [15465.147892][ T7704] netlink_unicast+0x449/0x710 [15465.147892][ T7704] netlink_sendmsg+0x723/0xbe0 [15465.147892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15465.147892][ T7704] ___sys_sendmsg+0xee/0x170 [15465.147892][ T7704] __sys_sendmsg+0xcd/0x170 [15465.147892][ T7704] do_syscall_64+0xc6/0x1e0 [15465.147892][ T7704] [15465.150069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15465.150069][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15465.150069][ T7704] ipv6_find_idev+0x102/0x170 [15465.150069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15465.150069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15465.150069][ T7704] netlink_rcv_skb+0x130/0x360 [15465.150069][ T7704] netlink_unicast+0x449/0x710 [15465.150069][ T7704] netlink_sendmsg+0x723/0xbe0 [15465.150069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15465.150069][ T7704] ___sys_sendmsg+0xee/0x170 [15465.150069][ T7704] __sys_sendmsg+0xcd/0x170 [15465.150069][ T7704] do_syscall_64+0xc6/0x1e0 [15465.150069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15465.150069][ T7704] [15465.151777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15465.151777][ T7704] neigh_parms_alloc+0x1e5/0x510 [15465.151777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15465.151777][ T7704] ipv6_find_idev+0x102/0x170 [15465.151777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15465.151777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15465.151777][ T7704] netlink_rcv_skb+0x130/0x360 [15465.151777][ T7704] netlink_unicast+0x449/0x710 [15465.151777][ T7704] netlink_sendmsg+0x723/0xbe0 [15465.151777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15465.151777][ T7704] ___sys_sendmsg+0xee/0x170 [15465.151777][ T7704] __sys_sendmsg+0xcd/0x170 [15465.151777][ T7704] do_syscall_64+0xc6/0x1e0 [15465.151777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15465.151777][ T7704] [15475.398890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15475.399358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15475.399358][ T7704] netdev_get_by_index+0x5e/0x80 [15475.399358][ T7704] fib6_nh_init+0x3d8/0x15b0 [15475.399358][ T7704] ip6_route_info_create+0xf18/0x17d0 [15475.399358][ T7704] ip6_route_add+0x1c/0x140 [15475.399358][ T7704] addrconf_prefix_route+0x2a6/0x430 [15475.399358][ T7704] inet6_addr_add+0x4f8/0xa40 [15475.399358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15475.399358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15475.399358][ T7704] netlink_rcv_skb+0x130/0x360 [15475.399358][ T7704] netlink_unicast+0x449/0x710 [15475.399358][ T7704] netlink_sendmsg+0x723/0xbe0 [15475.399358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15475.399358][ T7704] ___sys_sendmsg+0xee/0x170 [15475.399358][ T7704] __sys_sendmsg+0xcd/0x170 [15475.399358][ T7704] do_syscall_64+0xc6/0x1e0 [15475.399358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15475.399358][ T7704] [15475.401822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15475.401822][ T7704] netdev_get_by_index+0x5e/0x80 [15475.401822][ T7704] fib6_nh_init+0x3d8/0x15b0 [15475.401822][ T7704] ip6_route_info_create+0xf18/0x17d0 [15475.401822][ T7704] addrconf_f6i_alloc+0x315/0x560 [15475.401822][ T7704] ipv6_add_addr+0x411/0x2000 [15475.401822][ T7704] inet6_addr_add+0x30e/0xa40 [15475.401822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15475.401822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15475.401822][ T7704] netlink_rcv_skb+0x130/0x360 [15475.401822][ T7704] netlink_unicast+0x449/0x710 [15475.401822][ T7704] netlink_sendmsg+0x723/0xbe0 [15475.401822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15475.401822][ T7704] ___sys_sendmsg+0xee/0x170 [15475.401822][ T7704] __sys_sendmsg+0xcd/0x170 [15475.401822][ T7704] do_syscall_64+0xc6/0x1e0 [15475.401822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15475.401822][ T7704] [15475.404261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15475.404261][ T7704] netdev_get_by_index+0x5e/0x80 [15475.404261][ T7704] fib6_nh_init+0x3d8/0x15b0 [15475.404261][ T7704] ip6_route_info_create+0xf18/0x17d0 [15475.404261][ T7704] ip6_route_add+0x1c/0x140 [15475.404261][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15475.404261][ T7704] addrconf_add_dev+0xe2/0x170 [15475.404261][ T7704] inet6_addr_add+0x12f/0xa40 [15475.404261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15475.404261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15475.404261][ T7704] netlink_rcv_skb+0x130/0x360 [15475.404261][ T7704] netlink_unicast+0x449/0x710 [15475.404261][ T7704] netlink_sendmsg+0x723/0xbe0 [15475.404261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15475.404261][ T7704] ___sys_sendmsg+0xee/0x170 [15475.404261][ T7704] __sys_sendmsg+0xcd/0x170 [15475.404261][ T7704] do_syscall_64+0xc6/0x1e0 [15475.404261][ T7704] [15475.406655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15475.406655][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15475.406655][ T7704] ipv6_find_idev+0x102/0x170 [15475.406655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15475.406655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15475.406655][ T7704] netlink_rcv_skb+0x130/0x360 [15475.406655][ T7704] netlink_unicast+0x449/0x710 [15475.406655][ T7704] netlink_sendmsg+0x723/0xbe0 [15475.406655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15475.406655][ T7704] ___sys_sendmsg+0xee/0x170 [15475.406655][ T7704] __sys_sendmsg+0xcd/0x170 [15475.406655][ T7704] do_syscall_64+0xc6/0x1e0 [15475.406655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15475.406655][ T7704] [15475.408546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15475.408546][ T7704] neigh_parms_alloc+0x1e5/0x510 [15475.408546][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15475.408546][ T7704] ipv6_find_idev+0x102/0x170 [15475.408546][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15475.408546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15475.408546][ T7704] netlink_rcv_skb+0x130/0x360 [15475.408546][ T7704] netlink_unicast+0x449/0x710 [15475.408546][ T7704] netlink_sendmsg+0x723/0xbe0 [15475.408546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15475.408546][ T7704] ___sys_sendmsg+0xee/0x170 [15475.408546][ T7704] __sys_sendmsg+0xcd/0x170 [15475.408546][ T7704] do_syscall_64+0xc6/0x1e0 [15475.408546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15475.408546][ T7704] [15485.550950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15485.551389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15485.551389][ T7704] netdev_get_by_index+0x5e/0x80 [15485.551389][ T7704] fib6_nh_init+0x3d8/0x15b0 [15485.551389][ T7704] ip6_route_info_create+0xf18/0x17d0 [15485.551389][ T7704] ip6_route_add+0x1c/0x140 [15485.551389][ T7704] addrconf_prefix_route+0x2a6/0x430 [15485.551389][ T7704] inet6_addr_add+0x4f8/0xa40 [15485.551389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15485.551389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15485.551389][ T7704] netlink_rcv_skb+0x130/0x360 [15485.551389][ T7704] netlink_unicast+0x449/0x710 [15485.551389][ T7704] netlink_sendmsg+0x723/0xbe0 [15485.551389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15485.551389][ T7704] ___sys_sendmsg+0xee/0x170 [15485.551389][ T7704] __sys_sendmsg+0xcd/0x170 [15485.551389][ T7704] do_syscall_64+0xc6/0x1e0 [15485.551389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15485.551389][ T7704] [15485.553646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15485.553646][ T7704] netdev_get_by_index+0x5e/0x80 [15485.553646][ T7704] fib6_nh_init+0x3d8/0x15b0 [15485.553646][ T7704] ip6_route_info_create+0xf18/0x17d0 [15485.553646][ T7704] addrconf_f6i_alloc+0x315/0x560 [15485.553646][ T7704] ipv6_add_addr+0x411/0x2000 [15485.553646][ T7704] inet6_addr_add+0x30e/0xa40 [15485.553646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15485.553646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15485.553646][ T7704] netlink_rcv_skb+0x130/0x360 [15485.553646][ T7704] netlink_unicast+0x449/0x710 [15485.553646][ T7704] netlink_sendmsg+0x723/0xbe0 [15485.553646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15485.553646][ T7704] ___sys_sendmsg+0xee/0x170 [15485.553646][ T7704] __sys_sendmsg+0xcd/0x170 [15485.553646][ T7704] do_syscall_64+0xc6/0x1e0 [15485.553646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15485.553646][ T7704] [15485.555867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15485.555867][ T7704] netdev_get_by_index+0x5e/0x80 [15485.555867][ T7704] fib6_nh_init+0x3d8/0x15b0 [15485.555867][ T7704] ip6_route_info_create+0xf18/0x17d0 [15485.555867][ T7704] ip6_route_add+0x1c/0x140 [15485.555867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15485.555867][ T7704] addrconf_add_dev+0xe2/0x170 [15485.555867][ T7704] inet6_addr_add+0x12f/0xa40 [15485.555867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15485.555867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15485.555867][ T7704] netlink_rcv_skb+0x130/0x360 [15485.555867][ T7704] netlink_unicast+0x449/0x710 [15485.555867][ T7704] netlink_sendmsg+0x723/0xbe0 [15485.555867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15485.555867][ T7704] ___sys_sendmsg+0xee/0x170 [15485.555867][ T7704] __sys_sendmsg+0xcd/0x170 [15485.555867][ T7704] do_syscall_64+0xc6/0x1e0 [15485.555867][ T7704] [15485.558062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15485.558062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15485.558062][ T7704] ipv6_find_idev+0x102/0x170 [15485.558062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15485.558062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15485.558062][ T7704] netlink_rcv_skb+0x130/0x360 [15485.558062][ T7704] netlink_unicast+0x449/0x710 [15485.558062][ T7704] netlink_sendmsg+0x723/0xbe0 [15485.558062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15485.558062][ T7704] ___sys_sendmsg+0xee/0x170 [15485.558062][ T7704] __sys_sendmsg+0xcd/0x170 [15485.558062][ T7704] do_syscall_64+0xc6/0x1e0 [15485.558062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15485.558062][ T7704] [15485.559766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15485.559766][ T7704] neigh_parms_alloc+0x1e5/0x510 [15485.559766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15485.559766][ T7704] ipv6_find_idev+0x102/0x170 [15485.559766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15485.559766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15485.559766][ T7704] netlink_rcv_skb+0x130/0x360 [15485.559766][ T7704] netlink_unicast+0x449/0x710 [15485.559766][ T7704] netlink_sendmsg+0x723/0xbe0 [15485.559766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15485.559766][ T7704] ___sys_sendmsg+0xee/0x170 [15485.559766][ T7704] __sys_sendmsg+0xcd/0x170 [15485.559766][ T7704] do_syscall_64+0xc6/0x1e0 [15485.559766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15485.559766][ T7704] [15495.798940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15495.799444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15495.799444][ T7704] netdev_get_by_index+0x5e/0x80 [15495.799444][ T7704] fib6_nh_init+0x3d8/0x15b0 [15495.799444][ T7704] ip6_route_info_create+0xf18/0x17d0 [15495.799444][ T7704] ip6_route_add+0x1c/0x140 [15495.799444][ T7704] addrconf_prefix_route+0x2a6/0x430 [15495.799444][ T7704] inet6_addr_add+0x4f8/0xa40 [15495.799444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15495.799444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15495.799444][ T7704] netlink_rcv_skb+0x130/0x360 [15495.799444][ T7704] netlink_unicast+0x449/0x710 [15495.799444][ T7704] netlink_sendmsg+0x723/0xbe0 [15495.799444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15495.799444][ T7704] ___sys_sendmsg+0xee/0x170 [15495.799444][ T7704] __sys_sendmsg+0xcd/0x170 [15495.799444][ T7704] do_syscall_64+0xc6/0x1e0 [15495.799444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15495.799444][ T7704] [15495.801700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15495.801700][ T7704] netdev_get_by_index+0x5e/0x80 [15495.801700][ T7704] fib6_nh_init+0x3d8/0x15b0 [15495.801700][ T7704] ip6_route_info_create+0xf18/0x17d0 [15495.801700][ T7704] addrconf_f6i_alloc+0x315/0x560 [15495.801700][ T7704] ipv6_add_addr+0x411/0x2000 [15495.801700][ T7704] inet6_addr_add+0x30e/0xa40 [15495.801700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15495.801700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15495.801700][ T7704] netlink_rcv_skb+0x130/0x360 [15495.801700][ T7704] netlink_unicast+0x449/0x710 [15495.801700][ T7704] netlink_sendmsg+0x723/0xbe0 [15495.801700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15495.801700][ T7704] ___sys_sendmsg+0xee/0x170 [15495.801700][ T7704] __sys_sendmsg+0xcd/0x170 [15495.801700][ T7704] do_syscall_64+0xc6/0x1e0 [15495.801700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15495.801700][ T7704] [15495.803956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15495.803956][ T7704] netdev_get_by_index+0x5e/0x80 [15495.803956][ T7704] fib6_nh_init+0x3d8/0x15b0 [15495.803956][ T7704] ip6_route_info_create+0xf18/0x17d0 [15495.803956][ T7704] ip6_route_add+0x1c/0x140 [15495.803956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15495.803956][ T7704] addrconf_add_dev+0xe2/0x170 [15495.803956][ T7704] inet6_addr_add+0x12f/0xa40 [15495.803956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15495.803956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15495.803956][ T7704] netlink_rcv_skb+0x130/0x360 [15495.803956][ T7704] netlink_unicast+0x449/0x710 [15495.803956][ T7704] netlink_sendmsg+0x723/0xbe0 [15495.803956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15495.803956][ T7704] ___sys_sendmsg+0xee/0x170 [15495.803956][ T7704] __sys_sendmsg+0xcd/0x170 [15495.803956][ T7704] do_syscall_64+0xc6/0x1e0 [15495.803956][ T7704] [15495.806122][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15495.806122][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15495.806122][ T7704] ipv6_find_idev+0x102/0x170 [15495.806122][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15495.806122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15495.806122][ T7704] netlink_rcv_skb+0x130/0x360 [15495.806122][ T7704] netlink_unicast+0x449/0x710 [15495.806122][ T7704] netlink_sendmsg+0x723/0xbe0 [15495.806122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15495.806122][ T7704] ___sys_sendmsg+0xee/0x170 [15495.806122][ T7704] __sys_sendmsg+0xcd/0x170 [15495.806122][ T7704] do_syscall_64+0xc6/0x1e0 [15495.806122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15495.806122][ T7704] [15495.807941][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15495.807941][ T7704] neigh_parms_alloc+0x1e5/0x510 [15495.807941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15495.807941][ T7704] ipv6_find_idev+0x102/0x170 [15495.807941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15495.807941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15495.807941][ T7704] netlink_rcv_skb+0x130/0x360 [15495.807941][ T7704] netlink_unicast+0x449/0x710 [15495.807941][ T7704] netlink_sendmsg+0x723/0xbe0 [15495.807941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15495.807941][ T7704] ___sys_sendmsg+0xee/0x170 [15495.807941][ T7704] __sys_sendmsg+0xcd/0x170 [15495.807941][ T7704] do_syscall_64+0xc6/0x1e0 [15495.807941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15495.807941][ T7704] [15506.046943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15506.047358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15506.047358][ T7704] netdev_get_by_index+0x5e/0x80 [15506.047358][ T7704] fib6_nh_init+0x3d8/0x15b0 [15506.047358][ T7704] ip6_route_info_create+0xf18/0x17d0 [15506.047358][ T7704] ip6_route_add+0x1c/0x140 [15506.047358][ T7704] addrconf_prefix_route+0x2a6/0x430 [15506.047358][ T7704] inet6_addr_add+0x4f8/0xa40 [15506.047358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15506.047358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15506.047358][ T7704] netlink_rcv_skb+0x130/0x360 [15506.047358][ T7704] netlink_unicast+0x449/0x710 [15506.047358][ T7704] netlink_sendmsg+0x723/0xbe0 [15506.047358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15506.047358][ T7704] ___sys_sendmsg+0xee/0x170 [15506.047358][ T7704] __sys_sendmsg+0xcd/0x170 [15506.047358][ T7704] do_syscall_64+0xc6/0x1e0 [15506.047358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15506.047358][ T7704] [15506.049606][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15506.049606][ T7704] netdev_get_by_index+0x5e/0x80 [15506.049606][ T7704] fib6_nh_init+0x3d8/0x15b0 [15506.049606][ T7704] ip6_route_info_create+0xf18/0x17d0 [15506.049606][ T7704] addrconf_f6i_alloc+0x315/0x560 [15506.049606][ T7704] ipv6_add_addr+0x411/0x2000 [15506.049606][ T7704] inet6_addr_add+0x30e/0xa40 [15506.049606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15506.049606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15506.049606][ T7704] netlink_rcv_skb+0x130/0x360 [15506.049606][ T7704] netlink_unicast+0x449/0x710 [15506.049606][ T7704] netlink_sendmsg+0x723/0xbe0 [15506.049606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15506.049606][ T7704] ___sys_sendmsg+0xee/0x170 [15506.049606][ T7704] __sys_sendmsg+0xcd/0x170 [15506.049606][ T7704] do_syscall_64+0xc6/0x1e0 [15506.049606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15506.049606][ T7704] [15506.051849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15506.051849][ T7704] netdev_get_by_index+0x5e/0x80 [15506.051849][ T7704] fib6_nh_init+0x3d8/0x15b0 [15506.051849][ T7704] ip6_route_info_create+0xf18/0x17d0 [15506.051849][ T7704] ip6_route_add+0x1c/0x140 [15506.051849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15506.051849][ T7704] addrconf_add_dev+0xe2/0x170 [15506.051849][ T7704] inet6_addr_add+0x12f/0xa40 [15506.051849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15506.051849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15506.051849][ T7704] netlink_rcv_skb+0x130/0x360 [15506.051849][ T7704] netlink_unicast+0x449/0x710 [15506.051849][ T7704] netlink_sendmsg+0x723/0xbe0 [15506.051849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15506.051849][ T7704] ___sys_sendmsg+0xee/0x170 [15506.051849][ T7704] __sys_sendmsg+0xcd/0x170 [15506.051849][ T7704] do_syscall_64+0xc6/0x1e0 [15506.051849][ T7704] [15506.054093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15506.054093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15506.054093][ T7704] ipv6_find_idev+0x102/0x170 [15506.054093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15506.054093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15506.054093][ T7704] netlink_rcv_skb+0x130/0x360 [15506.054093][ T7704] netlink_unicast+0x449/0x710 [15506.054093][ T7704] netlink_sendmsg+0x723/0xbe0 [15506.054093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15506.054093][ T7704] ___sys_sendmsg+0xee/0x170 [15506.054093][ T7704] __sys_sendmsg+0xcd/0x170 [15506.054093][ T7704] do_syscall_64+0xc6/0x1e0 [15506.054093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15506.054093][ T7704] [15506.055955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15506.055955][ T7704] neigh_parms_alloc+0x1e5/0x510 [15506.055955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15506.055955][ T7704] ipv6_find_idev+0x102/0x170 [15506.055955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15506.055955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15506.055955][ T7704] netlink_rcv_skb+0x130/0x360 [15506.055955][ T7704] netlink_unicast+0x449/0x710 [15506.055955][ T7704] netlink_sendmsg+0x723/0xbe0 [15506.055955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15506.055955][ T7704] ___sys_sendmsg+0xee/0x170 [15506.055955][ T7704] __sys_sendmsg+0xcd/0x170 [15506.055955][ T7704] do_syscall_64+0xc6/0x1e0 [15506.055955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15506.055955][ T7704] [15516.254938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15516.255417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15516.255417][ T7704] netdev_get_by_index+0x5e/0x80 [15516.255417][ T7704] fib6_nh_init+0x3d8/0x15b0 [15516.255417][ T7704] ip6_route_info_create+0xf18/0x17d0 [15516.255417][ T7704] ip6_route_add+0x1c/0x140 [15516.255417][ T7704] addrconf_prefix_route+0x2a6/0x430 [15516.255417][ T7704] inet6_addr_add+0x4f8/0xa40 [15516.255417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15516.255417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15516.255417][ T7704] netlink_rcv_skb+0x130/0x360 [15516.255417][ T7704] netlink_unicast+0x449/0x710 [15516.255417][ T7704] netlink_sendmsg+0x723/0xbe0 [15516.255417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15516.255417][ T7704] ___sys_sendmsg+0xee/0x170 [15516.255417][ T7704] __sys_sendmsg+0xcd/0x170 [15516.255417][ T7704] do_syscall_64+0xc6/0x1e0 [15516.255417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15516.255417][ T7704] [15516.257673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15516.257673][ T7704] netdev_get_by_index+0x5e/0x80 [15516.257673][ T7704] fib6_nh_init+0x3d8/0x15b0 [15516.257673][ T7704] ip6_route_info_create+0xf18/0x17d0 [15516.257673][ T7704] addrconf_f6i_alloc+0x315/0x560 [15516.257673][ T7704] ipv6_add_addr+0x411/0x2000 [15516.257673][ T7704] inet6_addr_add+0x30e/0xa40 [15516.257673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15516.257673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15516.257673][ T7704] netlink_rcv_skb+0x130/0x360 [15516.257673][ T7704] netlink_unicast+0x449/0x710 [15516.257673][ T7704] netlink_sendmsg+0x723/0xbe0 [15516.257673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15516.257673][ T7704] ___sys_sendmsg+0xee/0x170 [15516.257673][ T7704] __sys_sendmsg+0xcd/0x170 [15516.257673][ T7704] do_syscall_64+0xc6/0x1e0 [15516.257673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15516.257673][ T7704] [15516.259894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15516.259894][ T7704] netdev_get_by_index+0x5e/0x80 [15516.259894][ T7704] fib6_nh_init+0x3d8/0x15b0 [15516.259894][ T7704] ip6_route_info_create+0xf18/0x17d0 [15516.259894][ T7704] ip6_route_add+0x1c/0x140 [15516.259894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15516.259894][ T7704] addrconf_add_dev+0xe2/0x170 [15516.259894][ T7704] inet6_addr_add+0x12f/0xa40 [15516.259894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15516.259894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15516.259894][ T7704] netlink_rcv_skb+0x130/0x360 [15516.259894][ T7704] netlink_unicast+0x449/0x710 [15516.259894][ T7704] netlink_sendmsg+0x723/0xbe0 [15516.259894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15516.259894][ T7704] ___sys_sendmsg+0xee/0x170 [15516.259894][ T7704] __sys_sendmsg+0xcd/0x170 [15516.259894][ T7704] do_syscall_64+0xc6/0x1e0 [15516.259894][ T7704] [15516.262074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15516.262074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15516.262074][ T7704] ipv6_find_idev+0x102/0x170 [15516.262074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15516.262074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15516.262074][ T7704] netlink_rcv_skb+0x130/0x360 [15516.262074][ T7704] netlink_unicast+0x449/0x710 [15516.262074][ T7704] netlink_sendmsg+0x723/0xbe0 [15516.262074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15516.262074][ T7704] ___sys_sendmsg+0xee/0x170 [15516.262074][ T7704] __sys_sendmsg+0xcd/0x170 [15516.262074][ T7704] do_syscall_64+0xc6/0x1e0 [15516.262074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15516.262074][ T7704] [15516.263778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15516.263778][ T7704] neigh_parms_alloc+0x1e5/0x510 [15516.263778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15516.263778][ T7704] ipv6_find_idev+0x102/0x170 [15516.263778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15516.263778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15516.263778][ T7704] netlink_rcv_skb+0x130/0x360 [15516.263778][ T7704] netlink_unicast+0x449/0x710 [15516.263778][ T7704] netlink_sendmsg+0x723/0xbe0 [15516.263778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15516.263778][ T7704] ___sys_sendmsg+0xee/0x170 [15516.263778][ T7704] __sys_sendmsg+0xcd/0x170 [15516.263778][ T7704] do_syscall_64+0xc6/0x1e0 [15516.263778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15516.263778][ T7704] [15526.502937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15526.503442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15526.503442][ T7704] netdev_get_by_index+0x5e/0x80 [15526.503442][ T7704] fib6_nh_init+0x3d8/0x15b0 [15526.503442][ T7704] ip6_route_info_create+0xf18/0x17d0 [15526.503442][ T7704] ip6_route_add+0x1c/0x140 [15526.503442][ T7704] addrconf_prefix_route+0x2a6/0x430 [15526.503442][ T7704] inet6_addr_add+0x4f8/0xa40 [15526.503442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15526.503442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15526.503442][ T7704] netlink_rcv_skb+0x130/0x360 [15526.503442][ T7704] netlink_unicast+0x449/0x710 [15526.503442][ T7704] netlink_sendmsg+0x723/0xbe0 [15526.503442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15526.503442][ T7704] ___sys_sendmsg+0xee/0x170 [15526.503442][ T7704] __sys_sendmsg+0xcd/0x170 [15526.503442][ T7704] do_syscall_64+0xc6/0x1e0 [15526.503442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15526.503442][ T7704] [15526.505742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15526.505742][ T7704] netdev_get_by_index+0x5e/0x80 [15526.505742][ T7704] fib6_nh_init+0x3d8/0x15b0 [15526.505742][ T7704] ip6_route_info_create+0xf18/0x17d0 [15526.505742][ T7704] addrconf_f6i_alloc+0x315/0x560 [15526.505742][ T7704] ipv6_add_addr+0x411/0x2000 [15526.505742][ T7704] inet6_addr_add+0x30e/0xa40 [15526.505742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15526.505742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15526.505742][ T7704] netlink_rcv_skb+0x130/0x360 [15526.505742][ T7704] netlink_unicast+0x449/0x710 [15526.505742][ T7704] netlink_sendmsg+0x723/0xbe0 [15526.505742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15526.505742][ T7704] ___sys_sendmsg+0xee/0x170 [15526.505742][ T7704] __sys_sendmsg+0xcd/0x170 [15526.505742][ T7704] do_syscall_64+0xc6/0x1e0 [15526.505742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15526.505742][ T7704] [15526.507992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15526.507992][ T7704] netdev_get_by_index+0x5e/0x80 [15526.507992][ T7704] fib6_nh_init+0x3d8/0x15b0 [15526.507992][ T7704] ip6_route_info_create+0xf18/0x17d0 [15526.507992][ T7704] ip6_route_add+0x1c/0x140 [15526.507992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15526.507992][ T7704] addrconf_add_dev+0xe2/0x170 [15526.507992][ T7704] inet6_addr_add+0x12f/0xa40 [15526.507992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15526.507992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15526.507992][ T7704] netlink_rcv_skb+0x130/0x360 [15526.507992][ T7704] netlink_unicast+0x449/0x710 [15526.507992][ T7704] netlink_sendmsg+0x723/0xbe0 [15526.507992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15526.507992][ T7704] ___sys_sendmsg+0xee/0x170 [15526.507992][ T7704] __sys_sendmsg+0xcd/0x170 [15526.507992][ T7704] do_syscall_64+0xc6/0x1e0 [15526.507992][ T7704] [15526.510663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15526.510663][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15526.510663][ T7704] ipv6_find_idev+0x102/0x170 [15526.510663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15526.510663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15526.510663][ T7704] netlink_rcv_skb+0x130/0x360 [15526.510663][ T7704] netlink_unicast+0x449/0x710 [15526.510663][ T7704] netlink_sendmsg+0x723/0xbe0 [15526.510663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15526.510663][ T7704] ___sys_sendmsg+0xee/0x170 [15526.510663][ T7704] __sys_sendmsg+0xcd/0x170 [15526.510663][ T7704] do_syscall_64+0xc6/0x1e0 [15526.510663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15526.510663][ T7704] [15526.512272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15526.512272][ T7704] neigh_parms_alloc+0x1e5/0x510 [15526.512272][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15526.512272][ T7704] ipv6_find_idev+0x102/0x170 [15526.512272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15526.512272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15526.512272][ T7704] netlink_rcv_skb+0x130/0x360 [15526.512272][ T7704] netlink_unicast+0x449/0x710 [15526.512272][ T7704] netlink_sendmsg+0x723/0xbe0 [15526.512272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15526.512272][ T7704] ___sys_sendmsg+0xee/0x170 [15526.512272][ T7704] __sys_sendmsg+0xcd/0x170 [15526.512272][ T7704] do_syscall_64+0xc6/0x1e0 [15526.512272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15526.512272][ T7704] [15536.638945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15536.639452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15536.639452][ T7704] netdev_get_by_index+0x5e/0x80 [15536.639452][ T7704] fib6_nh_init+0x3d8/0x15b0 [15536.639452][ T7704] ip6_route_info_create+0xf18/0x17d0 [15536.639452][ T7704] ip6_route_add+0x1c/0x140 [15536.639452][ T7704] addrconf_prefix_route+0x2a6/0x430 [15536.639452][ T7704] inet6_addr_add+0x4f8/0xa40 [15536.639452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15536.639452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15536.639452][ T7704] netlink_rcv_skb+0x130/0x360 [15536.639452][ T7704] netlink_unicast+0x449/0x710 [15536.639452][ T7704] netlink_sendmsg+0x723/0xbe0 [15536.639452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15536.639452][ T7704] ___sys_sendmsg+0xee/0x170 [15536.639452][ T7704] __sys_sendmsg+0xcd/0x170 [15536.639452][ T7704] do_syscall_64+0xc6/0x1e0 [15536.639452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15536.639452][ T7704] [15536.641769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15536.641769][ T7704] netdev_get_by_index+0x5e/0x80 [15536.641769][ T7704] fib6_nh_init+0x3d8/0x15b0 [15536.641769][ T7704] ip6_route_info_create+0xf18/0x17d0 [15536.641769][ T7704] addrconf_f6i_alloc+0x315/0x560 [15536.641769][ T7704] ipv6_add_addr+0x411/0x2000 [15536.641769][ T7704] inet6_addr_add+0x30e/0xa40 [15536.641769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15536.641769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15536.641769][ T7704] netlink_rcv_skb+0x130/0x360 [15536.641769][ T7704] netlink_unicast+0x449/0x710 [15536.641769][ T7704] netlink_sendmsg+0x723/0xbe0 [15536.641769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15536.641769][ T7704] ___sys_sendmsg+0xee/0x170 [15536.641769][ T7704] __sys_sendmsg+0xcd/0x170 [15536.641769][ T7704] do_syscall_64+0xc6/0x1e0 [15536.641769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15536.641769][ T7704] [15536.644033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15536.644033][ T7704] netdev_get_by_index+0x5e/0x80 [15536.644033][ T7704] fib6_nh_init+0x3d8/0x15b0 [15536.644033][ T7704] ip6_route_info_create+0xf18/0x17d0 [15536.644033][ T7704] ip6_route_add+0x1c/0x140 [15536.644033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15536.644033][ T7704] addrconf_add_dev+0xe2/0x170 [15536.644033][ T7704] inet6_addr_add+0x12f/0xa40 [15536.644033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15536.644033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15536.644033][ T7704] netlink_rcv_skb+0x130/0x360 [15536.644033][ T7704] netlink_unicast+0x449/0x710 [15536.644033][ T7704] netlink_sendmsg+0x723/0xbe0 [15536.644033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15536.644033][ T7704] ___sys_sendmsg+0xee/0x170 [15536.644033][ T7704] __sys_sendmsg+0xcd/0x170 [15536.644033][ T7704] do_syscall_64+0xc6/0x1e0 [15536.644033][ T7704] [15536.646239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15536.646239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15536.646239][ T7704] ipv6_find_idev+0x102/0x170 [15536.646239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15536.646239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15536.646239][ T7704] netlink_rcv_skb+0x130/0x360 [15536.646239][ T7704] netlink_unicast+0x449/0x710 [15536.646239][ T7704] netlink_sendmsg+0x723/0xbe0 [15536.646239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15536.646239][ T7704] ___sys_sendmsg+0xee/0x170 [15536.646239][ T7704] __sys_sendmsg+0xcd/0x170 [15536.646239][ T7704] do_syscall_64+0xc6/0x1e0 [15536.646239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15536.646239][ T7704] [15536.648001][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15536.648001][ T7704] neigh_parms_alloc+0x1e5/0x510 [15536.648001][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15536.648001][ T7704] ipv6_find_idev+0x102/0x170 [15536.648001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15536.648001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15536.648001][ T7704] netlink_rcv_skb+0x130/0x360 [15536.648001][ T7704] netlink_unicast+0x449/0x710 [15536.648001][ T7704] netlink_sendmsg+0x723/0xbe0 [15536.648001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15536.648001][ T7704] ___sys_sendmsg+0xee/0x170 [15536.648001][ T7704] __sys_sendmsg+0xcd/0x170 [15536.648001][ T7704] do_syscall_64+0xc6/0x1e0 [15536.648001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15536.648001][ T7704] [15546.903001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15546.903978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15546.903978][ T7704] netdev_get_by_index+0x5e/0x80 [15546.903978][ T7704] fib6_nh_init+0x3d8/0x15b0 [15546.903978][ T7704] ip6_route_info_create+0xf18/0x17d0 [15546.903978][ T7704] ip6_route_add+0x1c/0x140 [15546.903978][ T7704] addrconf_prefix_route+0x2a6/0x430 [15546.903978][ T7704] inet6_addr_add+0x4f8/0xa40 [15546.903978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15546.903978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15546.903978][ T7704] netlink_rcv_skb+0x130/0x360 [15546.903978][ T7704] netlink_unicast+0x449/0x710 [15546.903978][ T7704] netlink_sendmsg+0x723/0xbe0 [15546.903978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15546.903978][ T7704] ___sys_sendmsg+0xee/0x170 [15546.903978][ T7704] __sys_sendmsg+0xcd/0x170 [15546.903978][ T7704] do_syscall_64+0xc6/0x1e0 [15546.903978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15546.903978][ T7704] [15546.906223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15546.906223][ T7704] netdev_get_by_index+0x5e/0x80 [15546.906223][ T7704] fib6_nh_init+0x3d8/0x15b0 [15546.906223][ T7704] ip6_route_info_create+0xf18/0x17d0 [15546.906223][ T7704] addrconf_f6i_alloc+0x315/0x560 [15546.906223][ T7704] ipv6_add_addr+0x411/0x2000 [15546.906223][ T7704] inet6_addr_add+0x30e/0xa40 [15546.906223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15546.906223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15546.906223][ T7704] netlink_rcv_skb+0x130/0x360 [15546.906223][ T7704] netlink_unicast+0x449/0x710 [15546.906223][ T7704] netlink_sendmsg+0x723/0xbe0 [15546.906223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15546.906223][ T7704] ___sys_sendmsg+0xee/0x170 [15546.906223][ T7704] __sys_sendmsg+0xcd/0x170 [15546.906223][ T7704] do_syscall_64+0xc6/0x1e0 [15546.906223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15546.906223][ T7704] [15546.908457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15546.908457][ T7704] netdev_get_by_index+0x5e/0x80 [15546.908457][ T7704] fib6_nh_init+0x3d8/0x15b0 [15546.908457][ T7704] ip6_route_info_create+0xf18/0x17d0 [15546.908457][ T7704] ip6_route_add+0x1c/0x140 [15546.908457][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15546.908457][ T7704] addrconf_add_dev+0xe2/0x170 [15546.908457][ T7704] inet6_addr_add+0x12f/0xa40 [15546.908457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15546.908457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15546.908457][ T7704] netlink_rcv_skb+0x130/0x360 [15546.908457][ T7704] netlink_unicast+0x449/0x710 [15546.908457][ T7704] netlink_sendmsg+0x723/0xbe0 [15546.908457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15546.908457][ T7704] ___sys_sendmsg+0xee/0x170 [15546.908457][ T7704] __sys_sendmsg+0xcd/0x170 [15546.908457][ T7704] do_syscall_64+0xc6/0x1e0 [15546.908457][ T7704] [15546.910627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15546.910627][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15546.910627][ T7704] ipv6_find_idev+0x102/0x170 [15546.910627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15546.910627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15546.910627][ T7704] netlink_rcv_skb+0x130/0x360 [15546.910627][ T7704] netlink_unicast+0x449/0x710 [15546.910627][ T7704] netlink_sendmsg+0x723/0xbe0 [15546.910627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15546.910627][ T7704] ___sys_sendmsg+0xee/0x170 [15546.910627][ T7704] __sys_sendmsg+0xcd/0x170 [15546.910627][ T7704] do_syscall_64+0xc6/0x1e0 [15546.910627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15546.910627][ T7704] [15546.912328][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15546.912328][ T7704] neigh_parms_alloc+0x1e5/0x510 [15546.912328][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15546.912328][ T7704] ipv6_find_idev+0x102/0x170 [15546.912328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15546.912328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15546.912328][ T7704] netlink_rcv_skb+0x130/0x360 [15546.912328][ T7704] netlink_unicast+0x449/0x710 [15546.912328][ T7704] netlink_sendmsg+0x723/0xbe0 [15546.912328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15546.912328][ T7704] ___sys_sendmsg+0xee/0x170 [15546.912328][ T7704] __sys_sendmsg+0xcd/0x170 [15546.912328][ T7704] do_syscall_64+0xc6/0x1e0 [15546.912328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15546.912328][ T7704] [15557.150993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15557.151965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15557.151965][ T7704] netdev_get_by_index+0x5e/0x80 [15557.151965][ T7704] fib6_nh_init+0x3d8/0x15b0 [15557.151965][ T7704] ip6_route_info_create+0xf18/0x17d0 [15557.151965][ T7704] ip6_route_add+0x1c/0x140 [15557.151965][ T7704] addrconf_prefix_route+0x2a6/0x430 [15557.151965][ T7704] inet6_addr_add+0x4f8/0xa40 [15557.151965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15557.151965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15557.151965][ T7704] netlink_rcv_skb+0x130/0x360 [15557.151965][ T7704] netlink_unicast+0x449/0x710 [15557.151965][ T7704] netlink_sendmsg+0x723/0xbe0 [15557.151965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15557.151965][ T7704] ___sys_sendmsg+0xee/0x170 [15557.151965][ T7704] __sys_sendmsg+0xcd/0x170 [15557.151965][ T7704] do_syscall_64+0xc6/0x1e0 [15557.151965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15557.151965][ T7704] [15557.154208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15557.154208][ T7704] netdev_get_by_index+0x5e/0x80 [15557.154208][ T7704] fib6_nh_init+0x3d8/0x15b0 [15557.154208][ T7704] ip6_route_info_create+0xf18/0x17d0 [15557.154208][ T7704] addrconf_f6i_alloc+0x315/0x560 [15557.154208][ T7704] ipv6_add_addr+0x411/0x2000 [15557.154208][ T7704] inet6_addr_add+0x30e/0xa40 [15557.154208][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15557.154208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15557.154208][ T7704] netlink_rcv_skb+0x130/0x360 [15557.154208][ T7704] netlink_unicast+0x449/0x710 [15557.154208][ T7704] netlink_sendmsg+0x723/0xbe0 [15557.154208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15557.154208][ T7704] ___sys_sendmsg+0xee/0x170 [15557.154208][ T7704] __sys_sendmsg+0xcd/0x170 [15557.154208][ T7704] do_syscall_64+0xc6/0x1e0 [15557.154208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15557.154208][ T7704] [15557.156398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15557.156398][ T7704] netdev_get_by_index+0x5e/0x80 [15557.156398][ T7704] fib6_nh_init+0x3d8/0x15b0 [15557.156398][ T7704] ip6_route_info_create+0xf18/0x17d0 [15557.156398][ T7704] ip6_route_add+0x1c/0x140 [15557.156398][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15557.156398][ T7704] addrconf_add_dev+0xe2/0x170 [15557.156398][ T7704] inet6_addr_add+0x12f/0xa40 [15557.156398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15557.156398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15557.156398][ T7704] netlink_rcv_skb+0x130/0x360 [15557.156398][ T7704] netlink_unicast+0x449/0x710 [15557.156398][ T7704] netlink_sendmsg+0x723/0xbe0 [15557.156398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15557.156398][ T7704] ___sys_sendmsg+0xee/0x170 [15557.156398][ T7704] __sys_sendmsg+0xcd/0x170 [15557.156398][ T7704] do_syscall_64+0xc6/0x1e0 [15557.156398][ T7704] [15557.158596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15557.158596][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15557.158596][ T7704] ipv6_find_idev+0x102/0x170 [15557.158596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15557.158596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15557.158596][ T7704] netlink_rcv_skb+0x130/0x360 [15557.158596][ T7704] netlink_unicast+0x449/0x710 [15557.158596][ T7704] netlink_sendmsg+0x723/0xbe0 [15557.158596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15557.158596][ T7704] ___sys_sendmsg+0xee/0x170 [15557.158596][ T7704] __sys_sendmsg+0xcd/0x170 [15557.158596][ T7704] do_syscall_64+0xc6/0x1e0 [15557.158596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15557.158596][ T7704] [15557.160283][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15557.160283][ T7704] neigh_parms_alloc+0x1e5/0x510 [15557.160283][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15557.160283][ T7704] ipv6_find_idev+0x102/0x170 [15557.160283][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15557.160283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15557.160283][ T7704] netlink_rcv_skb+0x130/0x360 [15557.160283][ T7704] netlink_unicast+0x449/0x710 [15557.160283][ T7704] netlink_sendmsg+0x723/0xbe0 [15557.160283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15557.160283][ T7704] ___sys_sendmsg+0xee/0x170 [15557.160283][ T7704] __sys_sendmsg+0xcd/0x170 [15557.160283][ T7704] do_syscall_64+0xc6/0x1e0 [15557.160283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15557.160283][ T7704] [15567.398888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15567.399353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15567.399353][ T7704] netdev_get_by_index+0x5e/0x80 [15567.399353][ T7704] fib6_nh_init+0x3d8/0x15b0 [15567.399353][ T7704] ip6_route_info_create+0xf18/0x17d0 [15567.399353][ T7704] ip6_route_add+0x1c/0x140 [15567.399353][ T7704] addrconf_prefix_route+0x2a6/0x430 [15567.399353][ T7704] inet6_addr_add+0x4f8/0xa40 [15567.399353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15567.399353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15567.399353][ T7704] netlink_rcv_skb+0x130/0x360 [15567.399353][ T7704] netlink_unicast+0x449/0x710 [15567.399353][ T7704] netlink_sendmsg+0x723/0xbe0 [15567.399353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15567.399353][ T7704] ___sys_sendmsg+0xee/0x170 [15567.399353][ T7704] __sys_sendmsg+0xcd/0x170 [15567.399353][ T7704] do_syscall_64+0xc6/0x1e0 [15567.399353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15567.399353][ T7704] [15567.401825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15567.401825][ T7704] netdev_get_by_index+0x5e/0x80 [15567.401825][ T7704] fib6_nh_init+0x3d8/0x15b0 [15567.401825][ T7704] ip6_route_info_create+0xf18/0x17d0 [15567.401825][ T7704] addrconf_f6i_alloc+0x315/0x560 [15567.401825][ T7704] ipv6_add_addr+0x411/0x2000 [15567.401825][ T7704] inet6_addr_add+0x30e/0xa40 [15567.401825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15567.401825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15567.401825][ T7704] netlink_rcv_skb+0x130/0x360 [15567.401825][ T7704] netlink_unicast+0x449/0x710 [15567.401825][ T7704] netlink_sendmsg+0x723/0xbe0 [15567.401825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15567.401825][ T7704] ___sys_sendmsg+0xee/0x170 [15567.401825][ T7704] __sys_sendmsg+0xcd/0x170 [15567.401825][ T7704] do_syscall_64+0xc6/0x1e0 [15567.401825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15567.401825][ T7704] [15567.404272][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15567.404272][ T7704] netdev_get_by_index+0x5e/0x80 [15567.404272][ T7704] fib6_nh_init+0x3d8/0x15b0 [15567.404272][ T7704] ip6_route_info_create+0xf18/0x17d0 [15567.404272][ T7704] ip6_route_add+0x1c/0x140 [15567.404272][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15567.404272][ T7704] addrconf_add_dev+0xe2/0x170 [15567.404272][ T7704] inet6_addr_add+0x12f/0xa40 [15567.404272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15567.404272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15567.404272][ T7704] netlink_rcv_skb+0x130/0x360 [15567.404272][ T7704] netlink_unicast+0x449/0x710 [15567.404272][ T7704] netlink_sendmsg+0x723/0xbe0 [15567.404272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15567.404272][ T7704] ___sys_sendmsg+0xee/0x170 [15567.404272][ T7704] __sys_sendmsg+0xcd/0x170 [15567.404272][ T7704] do_syscall_64+0xc6/0x1e0 [15567.404272][ T7704] [15567.406670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15567.406670][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15567.406670][ T7704] ipv6_find_idev+0x102/0x170 [15567.406670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15567.406670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15567.406670][ T7704] netlink_rcv_skb+0x130/0x360 [15567.406670][ T7704] netlink_unicast+0x449/0x710 [15567.406670][ T7704] netlink_sendmsg+0x723/0xbe0 [15567.406670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15567.406670][ T7704] ___sys_sendmsg+0xee/0x170 [15567.406670][ T7704] __sys_sendmsg+0xcd/0x170 [15567.406670][ T7704] do_syscall_64+0xc6/0x1e0 [15567.406670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15567.406670][ T7704] [15567.408565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15567.408565][ T7704] neigh_parms_alloc+0x1e5/0x510 [15567.408565][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15567.408565][ T7704] ipv6_find_idev+0x102/0x170 [15567.408565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15567.408565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15567.408565][ T7704] netlink_rcv_skb+0x130/0x360 [15567.408565][ T7704] netlink_unicast+0x449/0x710 [15567.408565][ T7704] netlink_sendmsg+0x723/0xbe0 [15567.408565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15567.408565][ T7704] ___sys_sendmsg+0xee/0x170 [15567.408565][ T7704] __sys_sendmsg+0xcd/0x170 [15567.408565][ T7704] do_syscall_64+0xc6/0x1e0 [15567.408565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15567.408565][ T7704] [15577.646885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15577.647351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15577.647351][ T7704] netdev_get_by_index+0x5e/0x80 [15577.647351][ T7704] fib6_nh_init+0x3d8/0x15b0 [15577.647351][ T7704] ip6_route_info_create+0xf18/0x17d0 [15577.647351][ T7704] ip6_route_add+0x1c/0x140 [15577.647351][ T7704] addrconf_prefix_route+0x2a6/0x430 [15577.647351][ T7704] inet6_addr_add+0x4f8/0xa40 [15577.647351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15577.647351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15577.647351][ T7704] netlink_rcv_skb+0x130/0x360 [15577.647351][ T7704] netlink_unicast+0x449/0x710 [15577.647351][ T7704] netlink_sendmsg+0x723/0xbe0 [15577.647351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15577.647351][ T7704] ___sys_sendmsg+0xee/0x170 [15577.647351][ T7704] __sys_sendmsg+0xcd/0x170 [15577.647351][ T7704] do_syscall_64+0xc6/0x1e0 [15577.647351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15577.647351][ T7704] [15577.649815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15577.649815][ T7704] netdev_get_by_index+0x5e/0x80 [15577.649815][ T7704] fib6_nh_init+0x3d8/0x15b0 [15577.649815][ T7704] ip6_route_info_create+0xf18/0x17d0 [15577.649815][ T7704] addrconf_f6i_alloc+0x315/0x560 [15577.649815][ T7704] ipv6_add_addr+0x411/0x2000 [15577.649815][ T7704] inet6_addr_add+0x30e/0xa40 [15577.649815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15577.649815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15577.649815][ T7704] netlink_rcv_skb+0x130/0x360 [15577.649815][ T7704] netlink_unicast+0x449/0x710 [15577.649815][ T7704] netlink_sendmsg+0x723/0xbe0 [15577.649815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15577.649815][ T7704] ___sys_sendmsg+0xee/0x170 [15577.649815][ T7704] __sys_sendmsg+0xcd/0x170 [15577.649815][ T7704] do_syscall_64+0xc6/0x1e0 [15577.649815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15577.649815][ T7704] [15577.652296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15577.652296][ T7704] netdev_get_by_index+0x5e/0x80 [15577.652296][ T7704] fib6_nh_init+0x3d8/0x15b0 [15577.652296][ T7704] ip6_route_info_create+0xf18/0x17d0 [15577.652296][ T7704] ip6_route_add+0x1c/0x140 [15577.652296][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15577.652296][ T7704] addrconf_add_dev+0xe2/0x170 [15577.652296][ T7704] inet6_addr_add+0x12f/0xa40 [15577.652296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15577.652296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15577.652296][ T7704] netlink_rcv_skb+0x130/0x360 [15577.652296][ T7704] netlink_unicast+0x449/0x710 [15577.652296][ T7704] netlink_sendmsg+0x723/0xbe0 [15577.652296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15577.652296][ T7704] ___sys_sendmsg+0xee/0x170 [15577.652296][ T7704] __sys_sendmsg+0xcd/0x170 [15577.652296][ T7704] do_syscall_64+0xc6/0x1e0 [15577.652296][ T7704] [15577.654894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15577.654894][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15577.654894][ T7704] ipv6_find_idev+0x102/0x170 [15577.654894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15577.654894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15577.654894][ T7704] netlink_rcv_skb+0x130/0x360 [15577.654894][ T7704] netlink_unicast+0x449/0x710 [15577.654894][ T7704] netlink_sendmsg+0x723/0xbe0 [15577.654894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15577.654894][ T7704] ___sys_sendmsg+0xee/0x170 [15577.654894][ T7704] __sys_sendmsg+0xcd/0x170 [15577.654894][ T7704] do_syscall_64+0xc6/0x1e0 [15577.654894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15577.654894][ T7704] [15577.656910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15577.656910][ T7704] neigh_parms_alloc+0x1e5/0x510 [15577.656910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15577.656910][ T7704] ipv6_find_idev+0x102/0x170 [15577.656910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15577.656910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15577.656910][ T7704] netlink_rcv_skb+0x130/0x360 [15577.656910][ T7704] netlink_unicast+0x449/0x710 [15577.656910][ T7704] netlink_sendmsg+0x723/0xbe0 [15577.656910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15577.656910][ T7704] ___sys_sendmsg+0xee/0x170 [15577.656910][ T7704] __sys_sendmsg+0xcd/0x170 [15577.656910][ T7704] do_syscall_64+0xc6/0x1e0 [15577.656910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15577.656910][ T7704] [15587.734904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15587.735524][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15587.735524][ T7704] netdev_get_by_index+0x5e/0x80 [15587.735524][ T7704] fib6_nh_init+0x3d8/0x15b0 [15587.735524][ T7704] ip6_route_info_create+0xf18/0x17d0 [15587.735524][ T7704] ip6_route_add+0x1c/0x140 [15587.735524][ T7704] addrconf_prefix_route+0x2a6/0x430 [15587.735524][ T7704] inet6_addr_add+0x4f8/0xa40 [15587.735524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15587.735524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15587.735524][ T7704] netlink_rcv_skb+0x130/0x360 [15587.735524][ T7704] netlink_unicast+0x449/0x710 [15587.735524][ T7704] netlink_sendmsg+0x723/0xbe0 [15587.735524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15587.735524][ T7704] ___sys_sendmsg+0xee/0x170 [15587.735524][ T7704] __sys_sendmsg+0xcd/0x170 [15587.735524][ T7704] do_syscall_64+0xc6/0x1e0 [15587.735524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15587.735524][ T7704] [15587.737924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15587.737924][ T7704] netdev_get_by_index+0x5e/0x80 [15587.737924][ T7704] fib6_nh_init+0x3d8/0x15b0 [15587.737924][ T7704] ip6_route_info_create+0xf18/0x17d0 [15587.737924][ T7704] addrconf_f6i_alloc+0x315/0x560 [15587.737924][ T7704] ipv6_add_addr+0x411/0x2000 [15587.737924][ T7704] inet6_addr_add+0x30e/0xa40 [15587.737924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15587.737924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15587.737924][ T7704] netlink_rcv_skb+0x130/0x360 [15587.737924][ T7704] netlink_unicast+0x449/0x710 [15587.737924][ T7704] netlink_sendmsg+0x723/0xbe0 [15587.737924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15587.737924][ T7704] ___sys_sendmsg+0xee/0x170 [15587.737924][ T7704] __sys_sendmsg+0xcd/0x170 [15587.737924][ T7704] do_syscall_64+0xc6/0x1e0 [15587.737924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15587.737924][ T7704] [15587.740288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15587.740288][ T7704] netdev_get_by_index+0x5e/0x80 [15587.740288][ T7704] fib6_nh_init+0x3d8/0x15b0 [15587.740288][ T7704] ip6_route_info_create+0xf18/0x17d0 [15587.740288][ T7704] ip6_route_add+0x1c/0x140 [15587.740288][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15587.740288][ T7704] addrconf_add_dev+0xe2/0x170 [15587.740288][ T7704] inet6_addr_add+0x12f/0xa40 [15587.740288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15587.740288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15587.740288][ T7704] netlink_rcv_skb+0x130/0x360 [15587.740288][ T7704] netlink_unicast+0x449/0x710 [15587.740288][ T7704] netlink_sendmsg+0x723/0xbe0 [15587.740288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15587.740288][ T7704] ___sys_sendmsg+0xee/0x170 [15587.740288][ T7704] __sys_sendmsg+0xcd/0x170 [15587.740288][ T7704] do_syscall_64+0xc6/0x1e0 [15587.740288][ T7704] [15587.742605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15587.742605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15587.742605][ T7704] ipv6_find_idev+0x102/0x170 [15587.742605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15587.742605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15587.742605][ T7704] netlink_rcv_skb+0x130/0x360 [15587.742605][ T7704] netlink_unicast+0x449/0x710 [15587.742605][ T7704] netlink_sendmsg+0x723/0xbe0 [15587.742605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15587.742605][ T7704] ___sys_sendmsg+0xee/0x170 [15587.742605][ T7704] __sys_sendmsg+0xcd/0x170 [15587.742605][ T7704] do_syscall_64+0xc6/0x1e0 [15587.742605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15587.742605][ T7704] [15587.744477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15587.744477][ T7704] neigh_parms_alloc+0x1e5/0x510 [15587.744477][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15587.744477][ T7704] ipv6_find_idev+0x102/0x170 [15587.744477][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15587.744477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15587.744477][ T7704] netlink_rcv_skb+0x130/0x360 [15587.744477][ T7704] netlink_unicast+0x449/0x710 [15587.744477][ T7704] netlink_sendmsg+0x723/0xbe0 [15587.744477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15587.744477][ T7704] ___sys_sendmsg+0xee/0x170 [15587.744477][ T7704] __sys_sendmsg+0xcd/0x170 [15587.744477][ T7704] do_syscall_64+0xc6/0x1e0 [15587.744477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15587.744477][ T7704] [15597.774945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15597.775460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15597.775460][ T7704] netdev_get_by_index+0x5e/0x80 [15597.775460][ T7704] fib6_nh_init+0x3d8/0x15b0 [15597.775460][ T7704] ip6_route_info_create+0xf18/0x17d0 [15597.775460][ T7704] ip6_route_add+0x1c/0x140 [15597.775460][ T7704] addrconf_prefix_route+0x2a6/0x430 [15597.775460][ T7704] inet6_addr_add+0x4f8/0xa40 [15597.775460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15597.775460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15597.775460][ T7704] netlink_rcv_skb+0x130/0x360 [15597.775460][ T7704] netlink_unicast+0x449/0x710 [15597.775460][ T7704] netlink_sendmsg+0x723/0xbe0 [15597.775460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15597.775460][ T7704] ___sys_sendmsg+0xee/0x170 [15597.775460][ T7704] __sys_sendmsg+0xcd/0x170 [15597.775460][ T7704] do_syscall_64+0xc6/0x1e0 [15597.775460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15597.775460][ T7704] [15597.777875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15597.777875][ T7704] netdev_get_by_index+0x5e/0x80 [15597.777875][ T7704] fib6_nh_init+0x3d8/0x15b0 [15597.777875][ T7704] ip6_route_info_create+0xf18/0x17d0 [15597.777875][ T7704] addrconf_f6i_alloc+0x315/0x560 [15597.777875][ T7704] ipv6_add_addr+0x411/0x2000 [15597.777875][ T7704] inet6_addr_add+0x30e/0xa40 [15597.777875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15597.777875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15597.777875][ T7704] netlink_rcv_skb+0x130/0x360 [15597.777875][ T7704] netlink_unicast+0x449/0x710 [15597.777875][ T7704] netlink_sendmsg+0x723/0xbe0 [15597.777875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15597.777875][ T7704] ___sys_sendmsg+0xee/0x170 [15597.777875][ T7704] __sys_sendmsg+0xcd/0x170 [15597.777875][ T7704] do_syscall_64+0xc6/0x1e0 [15597.777875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15597.777875][ T7704] [15597.780269][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15597.780269][ T7704] netdev_get_by_index+0x5e/0x80 [15597.780269][ T7704] fib6_nh_init+0x3d8/0x15b0 [15597.780269][ T7704] ip6_route_info_create+0xf18/0x17d0 [15597.780269][ T7704] ip6_route_add+0x1c/0x140 [15597.780269][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15597.780269][ T7704] addrconf_add_dev+0xe2/0x170 [15597.780269][ T7704] inet6_addr_add+0x12f/0xa40 [15597.780269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15597.780269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15597.780269][ T7704] netlink_rcv_skb+0x130/0x360 [15597.780269][ T7704] netlink_unicast+0x449/0x710 [15597.780269][ T7704] netlink_sendmsg+0x723/0xbe0 [15597.780269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15597.780269][ T7704] ___sys_sendmsg+0xee/0x170 [15597.780269][ T7704] __sys_sendmsg+0xcd/0x170 [15597.780269][ T7704] do_syscall_64+0xc6/0x1e0 [15597.780269][ T7704] [15597.782616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15597.782616][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15597.782616][ T7704] ipv6_find_idev+0x102/0x170 [15597.782616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15597.782616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15597.782616][ T7704] netlink_rcv_skb+0x130/0x360 [15597.782616][ T7704] netlink_unicast+0x449/0x710 [15597.782616][ T7704] netlink_sendmsg+0x723/0xbe0 [15597.782616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15597.782616][ T7704] ___sys_sendmsg+0xee/0x170 [15597.782616][ T7704] __sys_sendmsg+0xcd/0x170 [15597.782616][ T7704] do_syscall_64+0xc6/0x1e0 [15597.782616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15597.782616][ T7704] [15597.784442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15597.784442][ T7704] neigh_parms_alloc+0x1e5/0x510 [15597.784442][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15597.784442][ T7704] ipv6_find_idev+0x102/0x170 [15597.784442][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15597.784442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15597.784442][ T7704] netlink_rcv_skb+0x130/0x360 [15597.784442][ T7704] netlink_unicast+0x449/0x710 [15597.784442][ T7704] netlink_sendmsg+0x723/0xbe0 [15597.784442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15597.784442][ T7704] ___sys_sendmsg+0xee/0x170 [15597.784442][ T7704] __sys_sendmsg+0xcd/0x170 [15597.784442][ T7704] do_syscall_64+0xc6/0x1e0 [15597.784442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15597.784442][ T7704] [15607.854942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15607.855419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15607.855419][ T7704] netdev_get_by_index+0x5e/0x80 [15607.855419][ T7704] fib6_nh_init+0x3d8/0x15b0 [15607.855419][ T7704] ip6_route_info_create+0xf18/0x17d0 [15607.855419][ T7704] ip6_route_add+0x1c/0x140 [15607.855419][ T7704] addrconf_prefix_route+0x2a6/0x430 [15607.855419][ T7704] inet6_addr_add+0x4f8/0xa40 [15607.855419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15607.855419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15607.855419][ T7704] netlink_rcv_skb+0x130/0x360 [15607.855419][ T7704] netlink_unicast+0x449/0x710 [15607.855419][ T7704] netlink_sendmsg+0x723/0xbe0 [15607.855419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15607.855419][ T7704] ___sys_sendmsg+0xee/0x170 [15607.855419][ T7704] __sys_sendmsg+0xcd/0x170 [15607.855419][ T7704] do_syscall_64+0xc6/0x1e0 [15607.855419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15607.855419][ T7704] [15607.857776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15607.857776][ T7704] netdev_get_by_index+0x5e/0x80 [15607.857776][ T7704] fib6_nh_init+0x3d8/0x15b0 [15607.857776][ T7704] ip6_route_info_create+0xf18/0x17d0 [15607.857776][ T7704] addrconf_f6i_alloc+0x315/0x560 [15607.857776][ T7704] ipv6_add_addr+0x411/0x2000 [15607.857776][ T7704] inet6_addr_add+0x30e/0xa40 [15607.857776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15607.857776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15607.857776][ T7704] netlink_rcv_skb+0x130/0x360 [15607.857776][ T7704] netlink_unicast+0x449/0x710 [15607.857776][ T7704] netlink_sendmsg+0x723/0xbe0 [15607.857776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15607.857776][ T7704] ___sys_sendmsg+0xee/0x170 [15607.857776][ T7704] __sys_sendmsg+0xcd/0x170 [15607.857776][ T7704] do_syscall_64+0xc6/0x1e0 [15607.857776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15607.857776][ T7704] [15607.860082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15607.860082][ T7704] netdev_get_by_index+0x5e/0x80 [15607.860082][ T7704] fib6_nh_init+0x3d8/0x15b0 [15607.860082][ T7704] ip6_route_info_create+0xf18/0x17d0 [15607.860082][ T7704] ip6_route_add+0x1c/0x140 [15607.860082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15607.860082][ T7704] addrconf_add_dev+0xe2/0x170 [15607.860082][ T7704] inet6_addr_add+0x12f/0xa40 [15607.860082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15607.860082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15607.860082][ T7704] netlink_rcv_skb+0x130/0x360 [15607.860082][ T7704] netlink_unicast+0x449/0x710 [15607.860082][ T7704] netlink_sendmsg+0x723/0xbe0 [15607.860082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15607.860082][ T7704] ___sys_sendmsg+0xee/0x170 [15607.860082][ T7704] __sys_sendmsg+0xcd/0x170 [15607.860082][ T7704] do_syscall_64+0xc6/0x1e0 [15607.860082][ T7704] [15607.862352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15607.862352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15607.862352][ T7704] ipv6_find_idev+0x102/0x170 [15607.862352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15607.862352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15607.862352][ T7704] netlink_rcv_skb+0x130/0x360 [15607.862352][ T7704] netlink_unicast+0x449/0x710 [15607.862352][ T7704] netlink_sendmsg+0x723/0xbe0 [15607.862352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15607.862352][ T7704] ___sys_sendmsg+0xee/0x170 [15607.862352][ T7704] __sys_sendmsg+0xcd/0x170 [15607.862352][ T7704] do_syscall_64+0xc6/0x1e0 [15607.862352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15607.862352][ T7704] [15607.864135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15607.864135][ T7704] neigh_parms_alloc+0x1e5/0x510 [15607.864135][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15607.864135][ T7704] ipv6_find_idev+0x102/0x170 [15607.864135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15607.864135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15607.864135][ T7704] netlink_rcv_skb+0x130/0x360 [15607.864135][ T7704] netlink_unicast+0x449/0x710 [15607.864135][ T7704] netlink_sendmsg+0x723/0xbe0 [15607.864135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15607.864135][ T7704] ___sys_sendmsg+0xee/0x170 [15607.864135][ T7704] __sys_sendmsg+0xcd/0x170 [15607.864135][ T7704] do_syscall_64+0xc6/0x1e0 [15607.864135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15607.864135][ T7704] [15617.998866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15617.999344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15617.999344][ T7704] netdev_get_by_index+0x5e/0x80 [15617.999344][ T7704] fib6_nh_init+0x3d8/0x15b0 [15617.999344][ T7704] ip6_route_info_create+0xf18/0x17d0 [15617.999344][ T7704] ip6_route_add+0x1c/0x140 [15617.999344][ T7704] addrconf_prefix_route+0x2a6/0x430 [15617.999344][ T7704] inet6_addr_add+0x4f8/0xa40 [15617.999344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15617.999344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15617.999344][ T7704] netlink_rcv_skb+0x130/0x360 [15617.999344][ T7704] netlink_unicast+0x449/0x710 [15617.999344][ T7704] netlink_sendmsg+0x723/0xbe0 [15617.999344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15617.999344][ T7704] ___sys_sendmsg+0xee/0x170 [15617.999344][ T7704] __sys_sendmsg+0xcd/0x170 [15617.999344][ T7704] do_syscall_64+0xc6/0x1e0 [15617.999344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15617.999344][ T7704] [15618.001611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15618.001611][ T7704] netdev_get_by_index+0x5e/0x80 [15618.001611][ T7704] fib6_nh_init+0x3d8/0x15b0 [15618.001611][ T7704] ip6_route_info_create+0xf18/0x17d0 [15618.001611][ T7704] addrconf_f6i_alloc+0x315/0x560 [15618.001611][ T7704] ipv6_add_addr+0x411/0x2000 [15618.001611][ T7704] inet6_addr_add+0x30e/0xa40 [15618.001611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15618.001611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15618.001611][ T7704] netlink_rcv_skb+0x130/0x360 [15618.001611][ T7704] netlink_unicast+0x449/0x710 [15618.001611][ T7704] netlink_sendmsg+0x723/0xbe0 [15618.001611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15618.001611][ T7704] ___sys_sendmsg+0xee/0x170 [15618.001611][ T7704] __sys_sendmsg+0xcd/0x170 [15618.001611][ T7704] do_syscall_64+0xc6/0x1e0 [15618.001611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15618.001611][ T7704] [15618.004132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15618.004132][ T7704] netdev_get_by_index+0x5e/0x80 [15618.004132][ T7704] fib6_nh_init+0x3d8/0x15b0 [15618.004132][ T7704] ip6_route_info_create+0xf18/0x17d0 [15618.004132][ T7704] ip6_route_add+0x1c/0x140 [15618.004132][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15618.004132][ T7704] addrconf_add_dev+0xe2/0x170 [15618.004132][ T7704] inet6_addr_add+0x12f/0xa40 [15618.004132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15618.004132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15618.004132][ T7704] netlink_rcv_skb+0x130/0x360 [15618.004132][ T7704] netlink_unicast+0x449/0x710 [15618.004132][ T7704] netlink_sendmsg+0x723/0xbe0 [15618.004132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15618.004132][ T7704] ___sys_sendmsg+0xee/0x170 [15618.004132][ T7704] __sys_sendmsg+0xcd/0x170 [15618.004132][ T7704] do_syscall_64+0xc6/0x1e0 [15618.004132][ T7704] [15618.006796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15618.006796][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15618.006796][ T7704] ipv6_find_idev+0x102/0x170 [15618.006796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15618.006796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15618.006796][ T7704] netlink_rcv_skb+0x130/0x360 [15618.006796][ T7704] netlink_unicast+0x449/0x710 [15618.006796][ T7704] netlink_sendmsg+0x723/0xbe0 [15618.006796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15618.006796][ T7704] ___sys_sendmsg+0xee/0x170 [15618.006796][ T7704] __sys_sendmsg+0xcd/0x170 [15618.006796][ T7704] do_syscall_64+0xc6/0x1e0 [15618.006796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15618.006796][ T7704] [15618.008894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15618.008894][ T7704] neigh_parms_alloc+0x1e5/0x510 [15618.008894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15618.008894][ T7704] ipv6_find_idev+0x102/0x170 [15618.008894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15618.008894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15618.008894][ T7704] netlink_rcv_skb+0x130/0x360 [15618.008894][ T7704] netlink_unicast+0x449/0x710 [15618.008894][ T7704] netlink_sendmsg+0x723/0xbe0 [15618.008894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15618.008894][ T7704] ___sys_sendmsg+0xee/0x170 [15618.008894][ T7704] __sys_sendmsg+0xcd/0x170 [15618.008894][ T7704] do_syscall_64+0xc6/0x1e0 [15618.008894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15618.008894][ T7704] [15628.246870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15628.247443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15628.247443][ T7704] netdev_get_by_index+0x5e/0x80 [15628.247443][ T7704] fib6_nh_init+0x3d8/0x15b0 [15628.247443][ T7704] ip6_route_info_create+0xf18/0x17d0 [15628.247443][ T7704] ip6_route_add+0x1c/0x140 [15628.247443][ T7704] addrconf_prefix_route+0x2a6/0x430 [15628.247443][ T7704] inet6_addr_add+0x4f8/0xa40 [15628.247443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15628.247443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15628.247443][ T7704] netlink_rcv_skb+0x130/0x360 [15628.247443][ T7704] netlink_unicast+0x449/0x710 [15628.247443][ T7704] netlink_sendmsg+0x723/0xbe0 [15628.247443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15628.247443][ T7704] ___sys_sendmsg+0xee/0x170 [15628.247443][ T7704] __sys_sendmsg+0xcd/0x170 [15628.247443][ T7704] do_syscall_64+0xc6/0x1e0 [15628.247443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15628.247443][ T7704] [15628.249768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15628.249768][ T7704] netdev_get_by_index+0x5e/0x80 [15628.249768][ T7704] fib6_nh_init+0x3d8/0x15b0 [15628.249768][ T7704] ip6_route_info_create+0xf18/0x17d0 [15628.249768][ T7704] addrconf_f6i_alloc+0x315/0x560 [15628.249768][ T7704] ipv6_add_addr+0x411/0x2000 [15628.249768][ T7704] inet6_addr_add+0x30e/0xa40 [15628.249768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15628.249768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15628.249768][ T7704] netlink_rcv_skb+0x130/0x360 [15628.249768][ T7704] netlink_unicast+0x449/0x710 [15628.249768][ T7704] netlink_sendmsg+0x723/0xbe0 [15628.249768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15628.249768][ T7704] ___sys_sendmsg+0xee/0x170 [15628.249768][ T7704] __sys_sendmsg+0xcd/0x170 [15628.249768][ T7704] do_syscall_64+0xc6/0x1e0 [15628.249768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15628.249768][ T7704] [15628.252070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15628.252070][ T7704] netdev_get_by_index+0x5e/0x80 [15628.252070][ T7704] fib6_nh_init+0x3d8/0x15b0 [15628.252070][ T7704] ip6_route_info_create+0xf18/0x17d0 [15628.252070][ T7704] ip6_route_add+0x1c/0x140 [15628.252070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15628.252070][ T7704] addrconf_add_dev+0xe2/0x170 [15628.252070][ T7704] inet6_addr_add+0x12f/0xa40 [15628.252070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15628.252070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15628.252070][ T7704] netlink_rcv_skb+0x130/0x360 [15628.252070][ T7704] netlink_unicast+0x449/0x710 [15628.252070][ T7704] netlink_sendmsg+0x723/0xbe0 [15628.252070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15628.252070][ T7704] ___sys_sendmsg+0xee/0x170 [15628.252070][ T7704] __sys_sendmsg+0xcd/0x170 [15628.252070][ T7704] do_syscall_64+0xc6/0x1e0 [15628.252070][ T7704] [15628.254335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15628.254335][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15628.254335][ T7704] ipv6_find_idev+0x102/0x170 [15628.254335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15628.254335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15628.254335][ T7704] netlink_rcv_skb+0x130/0x360 [15628.254335][ T7704] netlink_unicast+0x449/0x710 [15628.254335][ T7704] netlink_sendmsg+0x723/0xbe0 [15628.254335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15628.254335][ T7704] ___sys_sendmsg+0xee/0x170 [15628.254335][ T7704] __sys_sendmsg+0xcd/0x170 [15628.254335][ T7704] do_syscall_64+0xc6/0x1e0 [15628.254335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15628.254335][ T7704] [15628.256089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15628.256089][ T7704] neigh_parms_alloc+0x1e5/0x510 [15628.256089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15628.256089][ T7704] ipv6_find_idev+0x102/0x170 [15628.256089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15628.256089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15628.256089][ T7704] netlink_rcv_skb+0x130/0x360 [15628.256089][ T7704] netlink_unicast+0x449/0x710 [15628.256089][ T7704] netlink_sendmsg+0x723/0xbe0 [15628.256089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15628.256089][ T7704] ___sys_sendmsg+0xee/0x170 [15628.256089][ T7704] __sys_sendmsg+0xcd/0x170 [15628.256089][ T7704] do_syscall_64+0xc6/0x1e0 [15628.256089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15628.256089][ T7704] [15638.494905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15638.495314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15638.495314][ T7704] netdev_get_by_index+0x5e/0x80 [15638.495314][ T7704] fib6_nh_init+0x3d8/0x15b0 [15638.495314][ T7704] ip6_route_info_create+0xf18/0x17d0 [15638.495314][ T7704] ip6_route_add+0x1c/0x140 [15638.495314][ T7704] addrconf_prefix_route+0x2a6/0x430 [15638.495314][ T7704] inet6_addr_add+0x4f8/0xa40 [15638.495314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15638.495314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15638.495314][ T7704] netlink_rcv_skb+0x130/0x360 [15638.495314][ T7704] netlink_unicast+0x449/0x710 [15638.495314][ T7704] netlink_sendmsg+0x723/0xbe0 [15638.495314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15638.495314][ T7704] ___sys_sendmsg+0xee/0x170 [15638.495314][ T7704] __sys_sendmsg+0xcd/0x170 [15638.495314][ T7704] do_syscall_64+0xc6/0x1e0 [15638.495314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15638.495314][ T7704] [15638.497604][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15638.497604][ T7704] netdev_get_by_index+0x5e/0x80 [15638.497604][ T7704] fib6_nh_init+0x3d8/0x15b0 [15638.497604][ T7704] ip6_route_info_create+0xf18/0x17d0 [15638.497604][ T7704] addrconf_f6i_alloc+0x315/0x560 [15638.497604][ T7704] ipv6_add_addr+0x411/0x2000 [15638.497604][ T7704] inet6_addr_add+0x30e/0xa40 [15638.497604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15638.497604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15638.497604][ T7704] netlink_rcv_skb+0x130/0x360 [15638.497604][ T7704] netlink_unicast+0x449/0x710 [15638.497604][ T7704] netlink_sendmsg+0x723/0xbe0 [15638.497604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15638.497604][ T7704] ___sys_sendmsg+0xee/0x170 [15638.497604][ T7704] __sys_sendmsg+0xcd/0x170 [15638.497604][ T7704] do_syscall_64+0xc6/0x1e0 [15638.497604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15638.497604][ T7704] [15638.499842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15638.499842][ T7704] netdev_get_by_index+0x5e/0x80 [15638.499842][ T7704] fib6_nh_init+0x3d8/0x15b0 [15638.499842][ T7704] ip6_route_info_create+0xf18/0x17d0 [15638.499842][ T7704] ip6_route_add+0x1c/0x140 [15638.499842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15638.499842][ T7704] addrconf_add_dev+0xe2/0x170 [15638.499842][ T7704] inet6_addr_add+0x12f/0xa40 [15638.499842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15638.499842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15638.499842][ T7704] netlink_rcv_skb+0x130/0x360 [15638.499842][ T7704] netlink_unicast+0x449/0x710 [15638.499842][ T7704] netlink_sendmsg+0x723/0xbe0 [15638.499842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15638.499842][ T7704] ___sys_sendmsg+0xee/0x170 [15638.499842][ T7704] __sys_sendmsg+0xcd/0x170 [15638.499842][ T7704] do_syscall_64+0xc6/0x1e0 [15638.499842][ T7704] [15638.502014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15638.502014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15638.502014][ T7704] ipv6_find_idev+0x102/0x170 [15638.502014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15638.502014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15638.502014][ T7704] netlink_rcv_skb+0x130/0x360 [15638.502014][ T7704] netlink_unicast+0x449/0x710 [15638.502014][ T7704] netlink_sendmsg+0x723/0xbe0 [15638.502014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15638.502014][ T7704] ___sys_sendmsg+0xee/0x170 [15638.502014][ T7704] __sys_sendmsg+0xcd/0x170 [15638.502014][ T7704] do_syscall_64+0xc6/0x1e0 [15638.502014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15638.502014][ T7704] [15638.503711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15638.503711][ T7704] neigh_parms_alloc+0x1e5/0x510 [15638.503711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15638.503711][ T7704] ipv6_find_idev+0x102/0x170 [15638.503711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15638.503711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15638.503711][ T7704] netlink_rcv_skb+0x130/0x360 [15638.503711][ T7704] netlink_unicast+0x449/0x710 [15638.503711][ T7704] netlink_sendmsg+0x723/0xbe0 [15638.503711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15638.503711][ T7704] ___sys_sendmsg+0xee/0x170 [15638.503711][ T7704] __sys_sendmsg+0xcd/0x170 [15638.503711][ T7704] do_syscall_64+0xc6/0x1e0 [15638.503711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15638.503711][ T7704] [15648.630950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15648.631450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15648.631450][ T7704] netdev_get_by_index+0x5e/0x80 [15648.631450][ T7704] fib6_nh_init+0x3d8/0x15b0 [15648.631450][ T7704] ip6_route_info_create+0xf18/0x17d0 [15648.631450][ T7704] ip6_route_add+0x1c/0x140 [15648.631450][ T7704] addrconf_prefix_route+0x2a6/0x430 [15648.631450][ T7704] inet6_addr_add+0x4f8/0xa40 [15648.631450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15648.631450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15648.631450][ T7704] netlink_rcv_skb+0x130/0x360 [15648.631450][ T7704] netlink_unicast+0x449/0x710 [15648.631450][ T7704] netlink_sendmsg+0x723/0xbe0 [15648.631450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15648.631450][ T7704] ___sys_sendmsg+0xee/0x170 [15648.631450][ T7704] __sys_sendmsg+0xcd/0x170 [15648.631450][ T7704] do_syscall_64+0xc6/0x1e0 [15648.631450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15648.631450][ T7704] [15648.633756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15648.633756][ T7704] netdev_get_by_index+0x5e/0x80 [15648.633756][ T7704] fib6_nh_init+0x3d8/0x15b0 [15648.633756][ T7704] ip6_route_info_create+0xf18/0x17d0 [15648.633756][ T7704] addrconf_f6i_alloc+0x315/0x560 [15648.633756][ T7704] ipv6_add_addr+0x411/0x2000 [15648.633756][ T7704] inet6_addr_add+0x30e/0xa40 [15648.633756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15648.633756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15648.633756][ T7704] netlink_rcv_skb+0x130/0x360 [15648.633756][ T7704] netlink_unicast+0x449/0x710 [15648.633756][ T7704] netlink_sendmsg+0x723/0xbe0 [15648.633756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15648.633756][ T7704] ___sys_sendmsg+0xee/0x170 [15648.633756][ T7704] __sys_sendmsg+0xcd/0x170 [15648.633756][ T7704] do_syscall_64+0xc6/0x1e0 [15648.633756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15648.633756][ T7704] [15648.636053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15648.636053][ T7704] netdev_get_by_index+0x5e/0x80 [15648.636053][ T7704] fib6_nh_init+0x3d8/0x15b0 [15648.636053][ T7704] ip6_route_info_create+0xf18/0x17d0 [15648.636053][ T7704] ip6_route_add+0x1c/0x140 [15648.636053][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15648.636053][ T7704] addrconf_add_dev+0xe2/0x170 [15648.636053][ T7704] inet6_addr_add+0x12f/0xa40 [15648.636053][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15648.636053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15648.636053][ T7704] netlink_rcv_skb+0x130/0x360 [15648.636053][ T7704] netlink_unicast+0x449/0x710 [15648.636053][ T7704] netlink_sendmsg+0x723/0xbe0 [15648.636053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15648.636053][ T7704] ___sys_sendmsg+0xee/0x170 [15648.636053][ T7704] __sys_sendmsg+0xcd/0x170 [15648.636053][ T7704] do_syscall_64+0xc6/0x1e0 [15648.636053][ T7704] [15648.638305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15648.638305][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15648.638305][ T7704] ipv6_find_idev+0x102/0x170 [15648.638305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15648.638305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15648.638305][ T7704] netlink_rcv_skb+0x130/0x360 [15648.638305][ T7704] netlink_unicast+0x449/0x710 [15648.638305][ T7704] netlink_sendmsg+0x723/0xbe0 [15648.638305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15648.638305][ T7704] ___sys_sendmsg+0xee/0x170 [15648.638305][ T7704] __sys_sendmsg+0xcd/0x170 [15648.638305][ T7704] do_syscall_64+0xc6/0x1e0 [15648.638305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15648.638305][ T7704] [15648.640064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15648.640064][ T7704] neigh_parms_alloc+0x1e5/0x510 [15648.640064][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15648.640064][ T7704] ipv6_find_idev+0x102/0x170 [15648.640064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15648.640064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15648.640064][ T7704] netlink_rcv_skb+0x130/0x360 [15648.640064][ T7704] netlink_unicast+0x449/0x710 [15648.640064][ T7704] netlink_sendmsg+0x723/0xbe0 [15648.640064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15648.640064][ T7704] ___sys_sendmsg+0xee/0x170 [15648.640064][ T7704] __sys_sendmsg+0xcd/0x170 [15648.640064][ T7704] do_syscall_64+0xc6/0x1e0 [15648.640064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15648.640064][ T7704] [15658.879020][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15658.880094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15658.880094][ T7704] netdev_get_by_index+0x5e/0x80 [15658.880094][ T7704] fib6_nh_init+0x3d8/0x15b0 [15658.880094][ T7704] ip6_route_info_create+0xf18/0x17d0 [15658.880094][ T7704] ip6_route_add+0x1c/0x140 [15658.880094][ T7704] addrconf_prefix_route+0x2a6/0x430 [15658.880094][ T7704] inet6_addr_add+0x4f8/0xa40 [15658.880094][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15658.880094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15658.880094][ T7704] netlink_rcv_skb+0x130/0x360 [15658.880094][ T7704] netlink_unicast+0x449/0x710 [15658.880094][ T7704] netlink_sendmsg+0x723/0xbe0 [15658.880094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15658.880094][ T7704] ___sys_sendmsg+0xee/0x170 [15658.880094][ T7704] __sys_sendmsg+0xcd/0x170 [15658.880094][ T7704] do_syscall_64+0xc6/0x1e0 [15658.880094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15658.880094][ T7704] [15658.882379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15658.882379][ T7704] netdev_get_by_index+0x5e/0x80 [15658.882379][ T7704] fib6_nh_init+0x3d8/0x15b0 [15658.882379][ T7704] ip6_route_info_create+0xf18/0x17d0 [15658.882379][ T7704] addrconf_f6i_alloc+0x315/0x560 [15658.882379][ T7704] ipv6_add_addr+0x411/0x2000 [15658.882379][ T7704] inet6_addr_add+0x30e/0xa40 [15658.882379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15658.882379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15658.882379][ T7704] netlink_rcv_skb+0x130/0x360 [15658.882379][ T7704] netlink_unicast+0x449/0x710 [15658.882379][ T7704] netlink_sendmsg+0x723/0xbe0 [15658.882379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15658.882379][ T7704] ___sys_sendmsg+0xee/0x170 [15658.882379][ T7704] __sys_sendmsg+0xcd/0x170 [15658.882379][ T7704] do_syscall_64+0xc6/0x1e0 [15658.882379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15658.882379][ T7704] [15658.884558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15658.884558][ T7704] netdev_get_by_index+0x5e/0x80 [15658.884558][ T7704] fib6_nh_init+0x3d8/0x15b0 [15658.884558][ T7704] ip6_route_info_create+0xf18/0x17d0 [15658.884558][ T7704] ip6_route_add+0x1c/0x140 [15658.884558][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15658.884558][ T7704] addrconf_add_dev+0xe2/0x170 [15658.884558][ T7704] inet6_addr_add+0x12f/0xa40 [15658.884558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15658.884558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15658.884558][ T7704] netlink_rcv_skb+0x130/0x360 [15658.884558][ T7704] netlink_unicast+0x449/0x710 [15658.884558][ T7704] netlink_sendmsg+0x723/0xbe0 [15658.884558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15658.884558][ T7704] ___sys_sendmsg+0xee/0x170 [15658.884558][ T7704] __sys_sendmsg+0xcd/0x170 [15658.884558][ T7704] do_syscall_64+0xc6/0x1e0 [15658.884558][ T7704] [15658.886736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15658.886736][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15658.886736][ T7704] ipv6_find_idev+0x102/0x170 [15658.886736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15658.886736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15658.886736][ T7704] netlink_rcv_skb+0x130/0x360 [15658.886736][ T7704] netlink_unicast+0x449/0x710 [15658.886736][ T7704] netlink_sendmsg+0x723/0xbe0 [15658.886736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15658.886736][ T7704] ___sys_sendmsg+0xee/0x170 [15658.886736][ T7704] __sys_sendmsg+0xcd/0x170 [15658.886736][ T7704] do_syscall_64+0xc6/0x1e0 [15658.886736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15658.886736][ T7704] [15658.888517][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15658.888517][ T7704] neigh_parms_alloc+0x1e5/0x510 [15658.888517][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15658.888517][ T7704] ipv6_find_idev+0x102/0x170 [15658.888517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15658.888517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15658.888517][ T7704] netlink_rcv_skb+0x130/0x360 [15658.888517][ T7704] netlink_unicast+0x449/0x710 [15658.888517][ T7704] netlink_sendmsg+0x723/0xbe0 [15658.888517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15658.888517][ T7704] ___sys_sendmsg+0xee/0x170 [15658.888517][ T7704] __sys_sendmsg+0xcd/0x170 [15658.888517][ T7704] do_syscall_64+0xc6/0x1e0 [15658.888517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15658.888517][ T7704] [15669.142959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15669.143448][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15669.143448][ T7704] netdev_get_by_index+0x5e/0x80 [15669.143448][ T7704] fib6_nh_init+0x3d8/0x15b0 [15669.143448][ T7704] ip6_route_info_create+0xf18/0x17d0 [15669.143448][ T7704] ip6_route_add+0x1c/0x140 [15669.143448][ T7704] addrconf_prefix_route+0x2a6/0x430 [15669.143448][ T7704] inet6_addr_add+0x4f8/0xa40 [15669.143448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15669.143448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15669.143448][ T7704] netlink_rcv_skb+0x130/0x360 [15669.143448][ T7704] netlink_unicast+0x449/0x710 [15669.143448][ T7704] netlink_sendmsg+0x723/0xbe0 [15669.143448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15669.143448][ T7704] ___sys_sendmsg+0xee/0x170 [15669.143448][ T7704] __sys_sendmsg+0xcd/0x170 [15669.143448][ T7704] do_syscall_64+0xc6/0x1e0 [15669.143448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15669.143448][ T7704] [15669.145680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15669.145680][ T7704] netdev_get_by_index+0x5e/0x80 [15669.145680][ T7704] fib6_nh_init+0x3d8/0x15b0 [15669.145680][ T7704] ip6_route_info_create+0xf18/0x17d0 [15669.145680][ T7704] addrconf_f6i_alloc+0x315/0x560 [15669.145680][ T7704] ipv6_add_addr+0x411/0x2000 [15669.145680][ T7704] inet6_addr_add+0x30e/0xa40 [15669.145680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15669.145680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15669.145680][ T7704] netlink_rcv_skb+0x130/0x360 [15669.145680][ T7704] netlink_unicast+0x449/0x710 [15669.145680][ T7704] netlink_sendmsg+0x723/0xbe0 [15669.145680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15669.145680][ T7704] ___sys_sendmsg+0xee/0x170 [15669.145680][ T7704] __sys_sendmsg+0xcd/0x170 [15669.145680][ T7704] do_syscall_64+0xc6/0x1e0 [15669.145680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15669.145680][ T7704] [15669.148441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15669.148441][ T7704] netdev_get_by_index+0x5e/0x80 [15669.148441][ T7704] fib6_nh_init+0x3d8/0x15b0 [15669.148441][ T7704] ip6_route_info_create+0xf18/0x17d0 [15669.148441][ T7704] ip6_route_add+0x1c/0x140 [15669.148441][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15669.148441][ T7704] addrconf_add_dev+0xe2/0x170 [15669.148441][ T7704] inet6_addr_add+0x12f/0xa40 [15669.148441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15669.148441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15669.148441][ T7704] netlink_rcv_skb+0x130/0x360 [15669.148441][ T7704] netlink_unicast+0x449/0x710 [15669.148441][ T7704] netlink_sendmsg+0x723/0xbe0 [15669.148441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15669.148441][ T7704] ___sys_sendmsg+0xee/0x170 [15669.148441][ T7704] __sys_sendmsg+0xcd/0x170 [15669.148441][ T7704] do_syscall_64+0xc6/0x1e0 [15669.148441][ T7704] [15669.150627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15669.150627][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15669.150627][ T7704] ipv6_find_idev+0x102/0x170 [15669.150627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15669.150627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15669.150627][ T7704] netlink_rcv_skb+0x130/0x360 [15669.150627][ T7704] netlink_unicast+0x449/0x710 [15669.150627][ T7704] netlink_sendmsg+0x723/0xbe0 [15669.150627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15669.150627][ T7704] ___sys_sendmsg+0xee/0x170 [15669.150627][ T7704] __sys_sendmsg+0xcd/0x170 [15669.150627][ T7704] do_syscall_64+0xc6/0x1e0 [15669.150627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15669.150627][ T7704] [15669.152331][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15669.152331][ T7704] neigh_parms_alloc+0x1e5/0x510 [15669.152331][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15669.152331][ T7704] ipv6_find_idev+0x102/0x170 [15669.152331][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15669.152331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15669.152331][ T7704] netlink_rcv_skb+0x130/0x360 [15669.152331][ T7704] netlink_unicast+0x449/0x710 [15669.152331][ T7704] netlink_sendmsg+0x723/0xbe0 [15669.152331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15669.152331][ T7704] ___sys_sendmsg+0xee/0x170 [15669.152331][ T7704] __sys_sendmsg+0xcd/0x170 [15669.152331][ T7704] do_syscall_64+0xc6/0x1e0 [15669.152331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15669.152331][ T7704] [15679.390870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15679.391331][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15679.391331][ T7704] netdev_get_by_index+0x5e/0x80 [15679.391331][ T7704] fib6_nh_init+0x3d8/0x15b0 [15679.391331][ T7704] ip6_route_info_create+0xf18/0x17d0 [15679.391331][ T7704] ip6_route_add+0x1c/0x140 [15679.391331][ T7704] addrconf_prefix_route+0x2a6/0x430 [15679.391331][ T7704] inet6_addr_add+0x4f8/0xa40 [15679.391331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15679.391331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15679.391331][ T7704] netlink_rcv_skb+0x130/0x360 [15679.391331][ T7704] netlink_unicast+0x449/0x710 [15679.391331][ T7704] netlink_sendmsg+0x723/0xbe0 [15679.391331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15679.391331][ T7704] ___sys_sendmsg+0xee/0x170 [15679.391331][ T7704] __sys_sendmsg+0xcd/0x170 [15679.391331][ T7704] do_syscall_64+0xc6/0x1e0 [15679.391331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15679.391331][ T7704] [15679.393812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15679.393812][ T7704] netdev_get_by_index+0x5e/0x80 [15679.393812][ T7704] fib6_nh_init+0x3d8/0x15b0 [15679.393812][ T7704] ip6_route_info_create+0xf18/0x17d0 [15679.393812][ T7704] addrconf_f6i_alloc+0x315/0x560 [15679.393812][ T7704] ipv6_add_addr+0x411/0x2000 [15679.393812][ T7704] inet6_addr_add+0x30e/0xa40 [15679.393812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15679.393812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15679.393812][ T7704] netlink_rcv_skb+0x130/0x360 [15679.393812][ T7704] netlink_unicast+0x449/0x710 [15679.393812][ T7704] netlink_sendmsg+0x723/0xbe0 [15679.393812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15679.393812][ T7704] ___sys_sendmsg+0xee/0x170 [15679.393812][ T7704] __sys_sendmsg+0xcd/0x170 [15679.393812][ T7704] do_syscall_64+0xc6/0x1e0 [15679.393812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15679.393812][ T7704] [15679.396314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15679.396314][ T7704] netdev_get_by_index+0x5e/0x80 [15679.396314][ T7704] fib6_nh_init+0x3d8/0x15b0 [15679.396314][ T7704] ip6_route_info_create+0xf18/0x17d0 [15679.396314][ T7704] ip6_route_add+0x1c/0x140 [15679.396314][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15679.396314][ T7704] addrconf_add_dev+0xe2/0x170 [15679.396314][ T7704] inet6_addr_add+0x12f/0xa40 [15679.396314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15679.396314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15679.396314][ T7704] netlink_rcv_skb+0x130/0x360 [15679.396314][ T7704] netlink_unicast+0x449/0x710 [15679.396314][ T7704] netlink_sendmsg+0x723/0xbe0 [15679.396314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15679.396314][ T7704] ___sys_sendmsg+0xee/0x170 [15679.396314][ T7704] __sys_sendmsg+0xcd/0x170 [15679.396314][ T7704] do_syscall_64+0xc6/0x1e0 [15679.396314][ T7704] [15679.398775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15679.398775][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15679.398775][ T7704] ipv6_find_idev+0x102/0x170 [15679.398775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15679.398775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15679.398775][ T7704] netlink_rcv_skb+0x130/0x360 [15679.398775][ T7704] netlink_unicast+0x449/0x710 [15679.398775][ T7704] netlink_sendmsg+0x723/0xbe0 [15679.398775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15679.398775][ T7704] ___sys_sendmsg+0xee/0x170 [15679.398775][ T7704] __sys_sendmsg+0xcd/0x170 [15679.398775][ T7704] do_syscall_64+0xc6/0x1e0 [15679.398775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15679.398775][ T7704] [15679.401206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15679.401206][ T7704] neigh_parms_alloc+0x1e5/0x510 [15679.401206][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15679.401206][ T7704] ipv6_find_idev+0x102/0x170 [15679.401206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15679.401206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15679.401206][ T7704] netlink_rcv_skb+0x130/0x360 [15679.401206][ T7704] netlink_unicast+0x449/0x710 [15679.401206][ T7704] netlink_sendmsg+0x723/0xbe0 [15679.401206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15679.401206][ T7704] ___sys_sendmsg+0xee/0x170 [15679.401206][ T7704] __sys_sendmsg+0xcd/0x170 [15679.401206][ T7704] do_syscall_64+0xc6/0x1e0 [15679.401206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15679.401206][ T7704] [15689.638940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15689.639388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15689.639388][ T7704] netdev_get_by_index+0x5e/0x80 [15689.639388][ T7704] fib6_nh_init+0x3d8/0x15b0 [15689.639388][ T7704] ip6_route_info_create+0xf18/0x17d0 [15689.639388][ T7704] ip6_route_add+0x1c/0x140 [15689.639388][ T7704] addrconf_prefix_route+0x2a6/0x430 [15689.639388][ T7704] inet6_addr_add+0x4f8/0xa40 [15689.639388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15689.639388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15689.639388][ T7704] netlink_rcv_skb+0x130/0x360 [15689.639388][ T7704] netlink_unicast+0x449/0x710 [15689.639388][ T7704] netlink_sendmsg+0x723/0xbe0 [15689.639388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15689.639388][ T7704] ___sys_sendmsg+0xee/0x170 [15689.639388][ T7704] __sys_sendmsg+0xcd/0x170 [15689.639388][ T7704] do_syscall_64+0xc6/0x1e0 [15689.639388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15689.639388][ T7704] [15689.641788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15689.641788][ T7704] netdev_get_by_index+0x5e/0x80 [15689.641788][ T7704] fib6_nh_init+0x3d8/0x15b0 [15689.641788][ T7704] ip6_route_info_create+0xf18/0x17d0 [15689.641788][ T7704] addrconf_f6i_alloc+0x315/0x560 [15689.641788][ T7704] ipv6_add_addr+0x411/0x2000 [15689.641788][ T7704] inet6_addr_add+0x30e/0xa40 [15689.641788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15689.641788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15689.641788][ T7704] netlink_rcv_skb+0x130/0x360 [15689.641788][ T7704] netlink_unicast+0x449/0x710 [15689.641788][ T7704] netlink_sendmsg+0x723/0xbe0 [15689.641788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15689.641788][ T7704] ___sys_sendmsg+0xee/0x170 [15689.641788][ T7704] __sys_sendmsg+0xcd/0x170 [15689.641788][ T7704] do_syscall_64+0xc6/0x1e0 [15689.641788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15689.641788][ T7704] [15689.644264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15689.644264][ T7704] netdev_get_by_index+0x5e/0x80 [15689.644264][ T7704] fib6_nh_init+0x3d8/0x15b0 [15689.644264][ T7704] ip6_route_info_create+0xf18/0x17d0 [15689.644264][ T7704] ip6_route_add+0x1c/0x140 [15689.644264][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15689.644264][ T7704] addrconf_add_dev+0xe2/0x170 [15689.644264][ T7704] inet6_addr_add+0x12f/0xa40 [15689.644264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15689.644264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15689.644264][ T7704] netlink_rcv_skb+0x130/0x360 [15689.644264][ T7704] netlink_unicast+0x449/0x710 [15689.644264][ T7704] netlink_sendmsg+0x723/0xbe0 [15689.644264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15689.644264][ T7704] ___sys_sendmsg+0xee/0x170 [15689.644264][ T7704] __sys_sendmsg+0xcd/0x170 [15689.644264][ T7704] do_syscall_64+0xc6/0x1e0 [15689.644264][ T7704] [15689.646646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15689.646646][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15689.646646][ T7704] ipv6_find_idev+0x102/0x170 [15689.646646][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15689.646646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15689.646646][ T7704] netlink_rcv_skb+0x130/0x360 [15689.646646][ T7704] netlink_unicast+0x449/0x710 [15689.646646][ T7704] netlink_sendmsg+0x723/0xbe0 [15689.646646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15689.646646][ T7704] ___sys_sendmsg+0xee/0x170 [15689.646646][ T7704] __sys_sendmsg+0xcd/0x170 [15689.646646][ T7704] do_syscall_64+0xc6/0x1e0 [15689.646646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15689.646646][ T7704] [15689.648532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15689.648532][ T7704] neigh_parms_alloc+0x1e5/0x510 [15689.648532][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15689.648532][ T7704] ipv6_find_idev+0x102/0x170 [15689.648532][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15689.648532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15689.648532][ T7704] netlink_rcv_skb+0x130/0x360 [15689.648532][ T7704] netlink_unicast+0x449/0x710 [15689.648532][ T7704] netlink_sendmsg+0x723/0xbe0 [15689.648532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15689.648532][ T7704] ___sys_sendmsg+0xee/0x170 [15689.648532][ T7704] __sys_sendmsg+0xcd/0x170 [15689.648532][ T7704] do_syscall_64+0xc6/0x1e0 [15689.648532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15689.648532][ T7704] [15699.870945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15699.871360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15699.871360][ T7704] netdev_get_by_index+0x5e/0x80 [15699.871360][ T7704] fib6_nh_init+0x3d8/0x15b0 [15699.871360][ T7704] ip6_route_info_create+0xf18/0x17d0 [15699.871360][ T7704] ip6_route_add+0x1c/0x140 [15699.871360][ T7704] addrconf_prefix_route+0x2a6/0x430 [15699.871360][ T7704] inet6_addr_add+0x4f8/0xa40 [15699.871360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15699.871360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15699.871360][ T7704] netlink_rcv_skb+0x130/0x360 [15699.871360][ T7704] netlink_unicast+0x449/0x710 [15699.871360][ T7704] netlink_sendmsg+0x723/0xbe0 [15699.871360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15699.871360][ T7704] ___sys_sendmsg+0xee/0x170 [15699.871360][ T7704] __sys_sendmsg+0xcd/0x170 [15699.871360][ T7704] do_syscall_64+0xc6/0x1e0 [15699.871360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15699.871360][ T7704] [15699.873629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15699.873629][ T7704] netdev_get_by_index+0x5e/0x80 [15699.873629][ T7704] fib6_nh_init+0x3d8/0x15b0 [15699.873629][ T7704] ip6_route_info_create+0xf18/0x17d0 [15699.873629][ T7704] addrconf_f6i_alloc+0x315/0x560 [15699.873629][ T7704] ipv6_add_addr+0x411/0x2000 [15699.873629][ T7704] inet6_addr_add+0x30e/0xa40 [15699.873629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15699.873629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15699.873629][ T7704] netlink_rcv_skb+0x130/0x360 [15699.873629][ T7704] netlink_unicast+0x449/0x710 [15699.873629][ T7704] netlink_sendmsg+0x723/0xbe0 [15699.873629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15699.873629][ T7704] ___sys_sendmsg+0xee/0x170 [15699.873629][ T7704] __sys_sendmsg+0xcd/0x170 [15699.873629][ T7704] do_syscall_64+0xc6/0x1e0 [15699.873629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15699.873629][ T7704] [15699.875798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15699.875798][ T7704] netdev_get_by_index+0x5e/0x80 [15699.875798][ T7704] fib6_nh_init+0x3d8/0x15b0 [15699.875798][ T7704] ip6_route_info_create+0xf18/0x17d0 [15699.875798][ T7704] ip6_route_add+0x1c/0x140 [15699.875798][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15699.875798][ T7704] addrconf_add_dev+0xe2/0x170 [15699.875798][ T7704] inet6_addr_add+0x12f/0xa40 [15699.875798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15699.875798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15699.875798][ T7704] netlink_rcv_skb+0x130/0x360 [15699.875798][ T7704] netlink_unicast+0x449/0x710 [15699.875798][ T7704] netlink_sendmsg+0x723/0xbe0 [15699.875798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15699.875798][ T7704] ___sys_sendmsg+0xee/0x170 [15699.875798][ T7704] __sys_sendmsg+0xcd/0x170 [15699.875798][ T7704] do_syscall_64+0xc6/0x1e0 [15699.875798][ T7704] [15699.877993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15699.877993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15699.877993][ T7704] ipv6_find_idev+0x102/0x170 [15699.877993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15699.877993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15699.877993][ T7704] netlink_rcv_skb+0x130/0x360 [15699.877993][ T7704] netlink_unicast+0x449/0x710 [15699.877993][ T7704] netlink_sendmsg+0x723/0xbe0 [15699.877993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15699.877993][ T7704] ___sys_sendmsg+0xee/0x170 [15699.877993][ T7704] __sys_sendmsg+0xcd/0x170 [15699.877993][ T7704] do_syscall_64+0xc6/0x1e0 [15699.877993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15699.877993][ T7704] [15699.879676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15699.879676][ T7704] neigh_parms_alloc+0x1e5/0x510 [15699.879676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15699.879676][ T7704] ipv6_find_idev+0x102/0x170 [15699.879676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15699.879676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15699.879676][ T7704] netlink_rcv_skb+0x130/0x360 [15699.879676][ T7704] netlink_unicast+0x449/0x710 [15699.879676][ T7704] netlink_sendmsg+0x723/0xbe0 [15699.879676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15699.879676][ T7704] ___sys_sendmsg+0xee/0x170 [15699.879676][ T7704] __sys_sendmsg+0xcd/0x170 [15699.879676][ T7704] do_syscall_64+0xc6/0x1e0 [15699.879676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15699.879676][ T7704] [15710.118915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15710.119622][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15710.119622][ T7704] netdev_get_by_index+0x5e/0x80 [15710.119622][ T7704] fib6_nh_init+0x3d8/0x15b0 [15710.119622][ T7704] ip6_route_info_create+0xf18/0x17d0 [15710.119622][ T7704] ip6_route_add+0x1c/0x140 [15710.119622][ T7704] addrconf_prefix_route+0x2a6/0x430 [15710.119622][ T7704] inet6_addr_add+0x4f8/0xa40 [15710.119622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15710.119622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15710.119622][ T7704] netlink_rcv_skb+0x130/0x360 [15710.119622][ T7704] netlink_unicast+0x449/0x710 [15710.119622][ T7704] netlink_sendmsg+0x723/0xbe0 [15710.119622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15710.119622][ T7704] ___sys_sendmsg+0xee/0x170 [15710.119622][ T7704] __sys_sendmsg+0xcd/0x170 [15710.119622][ T7704] do_syscall_64+0xc6/0x1e0 [15710.119622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15710.119622][ T7704] [15710.123340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15710.123340][ T7704] netdev_get_by_index+0x5e/0x80 [15710.123340][ T7704] fib6_nh_init+0x3d8/0x15b0 [15710.123340][ T7704] ip6_route_info_create+0xf18/0x17d0 [15710.123340][ T7704] addrconf_f6i_alloc+0x315/0x560 [15710.123340][ T7704] ipv6_add_addr+0x411/0x2000 [15710.123340][ T7704] inet6_addr_add+0x30e/0xa40 [15710.123340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15710.123340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15710.123340][ T7704] netlink_rcv_skb+0x130/0x360 [15710.123340][ T7704] netlink_unicast+0x449/0x710 [15710.123340][ T7704] netlink_sendmsg+0x723/0xbe0 [15710.123340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15710.123340][ T7704] ___sys_sendmsg+0xee/0x170 [15710.123340][ T7704] __sys_sendmsg+0xcd/0x170 [15710.123340][ T7704] do_syscall_64+0xc6/0x1e0 [15710.123340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15710.123340][ T7704] [15710.127000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15710.127000][ T7704] netdev_get_by_index+0x5e/0x80 [15710.127000][ T7704] fib6_nh_init+0x3d8/0x15b0 [15710.127000][ T7704] ip6_route_info_create+0xf18/0x17d0 [15710.127000][ T7704] ip6_route_add+0x1c/0x140 [15710.127000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15710.127000][ T7704] addrconf_add_dev+0xe2/0x170 [15710.127000][ T7704] inet6_addr_add+0x12f/0xa40 [15710.127000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15710.127000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15710.127000][ T7704] netlink_rcv_skb+0x130/0x360 [15710.127000][ T7704] netlink_unicast+0x449/0x710 [15710.127000][ T7704] netlink_sendmsg+0x723/0xbe0 [15710.127000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15710.127000][ T7704] ___sys_sendmsg+0xee/0x170 [15710.127000][ T7704] __sys_sendmsg+0xcd/0x170 [15710.127000][ T7704] do_syscall_64+0xc6/0x1e0 [15710.127000][ T7704] [15710.130585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15710.130585][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15710.130585][ T7704] ipv6_find_idev+0x102/0x170 [15710.130585][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15710.130585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15710.130585][ T7704] netlink_rcv_skb+0x130/0x360 [15710.130585][ T7704] netlink_unicast+0x449/0x710 [15710.130585][ T7704] netlink_sendmsg+0x723/0xbe0 [15710.130585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15710.130585][ T7704] ___sys_sendmsg+0xee/0x170 [15710.130585][ T7704] __sys_sendmsg+0xcd/0x170 [15710.130585][ T7704] do_syscall_64+0xc6/0x1e0 [15710.130585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15710.130585][ T7704] [15710.133396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15710.133396][ T7704] neigh_parms_alloc+0x1e5/0x510 [15710.133396][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15710.133396][ T7704] ipv6_find_idev+0x102/0x170 [15710.133396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15710.133396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15710.133396][ T7704] netlink_rcv_skb+0x130/0x360 [15710.133396][ T7704] netlink_unicast+0x449/0x710 [15710.133396][ T7704] netlink_sendmsg+0x723/0xbe0 [15710.133396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15710.133396][ T7704] ___sys_sendmsg+0xee/0x170 [15710.133396][ T7704] __sys_sendmsg+0xcd/0x170 [15710.133396][ T7704] do_syscall_64+0xc6/0x1e0 [15710.133396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15710.133396][ T7704] [15720.374925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15720.375403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15720.375403][ T7704] netdev_get_by_index+0x5e/0x80 [15720.375403][ T7704] fib6_nh_init+0x3d8/0x15b0 [15720.375403][ T7704] ip6_route_info_create+0xf18/0x17d0 [15720.375403][ T7704] ip6_route_add+0x1c/0x140 [15720.375403][ T7704] addrconf_prefix_route+0x2a6/0x430 [15720.375403][ T7704] inet6_addr_add+0x4f8/0xa40 [15720.375403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15720.375403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15720.375403][ T7704] netlink_rcv_skb+0x130/0x360 [15720.375403][ T7704] netlink_unicast+0x449/0x710 [15720.375403][ T7704] netlink_sendmsg+0x723/0xbe0 [15720.375403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15720.375403][ T7704] ___sys_sendmsg+0xee/0x170 [15720.375403][ T7704] __sys_sendmsg+0xcd/0x170 [15720.375403][ T7704] do_syscall_64+0xc6/0x1e0 [15720.375403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15720.375403][ T7704] [15720.377657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15720.377657][ T7704] netdev_get_by_index+0x5e/0x80 [15720.377657][ T7704] fib6_nh_init+0x3d8/0x15b0 [15720.377657][ T7704] ip6_route_info_create+0xf18/0x17d0 [15720.377657][ T7704] addrconf_f6i_alloc+0x315/0x560 [15720.377657][ T7704] ipv6_add_addr+0x411/0x2000 [15720.377657][ T7704] inet6_addr_add+0x30e/0xa40 [15720.377657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15720.377657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15720.377657][ T7704] netlink_rcv_skb+0x130/0x360 [15720.377657][ T7704] netlink_unicast+0x449/0x710 [15720.377657][ T7704] netlink_sendmsg+0x723/0xbe0 [15720.377657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15720.377657][ T7704] ___sys_sendmsg+0xee/0x170 [15720.377657][ T7704] __sys_sendmsg+0xcd/0x170 [15720.377657][ T7704] do_syscall_64+0xc6/0x1e0 [15720.377657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15720.377657][ T7704] [15720.379834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15720.379834][ T7704] netdev_get_by_index+0x5e/0x80 [15720.379834][ T7704] fib6_nh_init+0x3d8/0x15b0 [15720.379834][ T7704] ip6_route_info_create+0xf18/0x17d0 [15720.379834][ T7704] ip6_route_add+0x1c/0x140 [15720.379834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15720.379834][ T7704] addrconf_add_dev+0xe2/0x170 [15720.379834][ T7704] inet6_addr_add+0x12f/0xa40 [15720.379834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15720.379834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15720.379834][ T7704] netlink_rcv_skb+0x130/0x360 [15720.379834][ T7704] netlink_unicast+0x449/0x710 [15720.379834][ T7704] netlink_sendmsg+0x723/0xbe0 [15720.379834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15720.379834][ T7704] ___sys_sendmsg+0xee/0x170 [15720.379834][ T7704] __sys_sendmsg+0xcd/0x170 [15720.379834][ T7704] do_syscall_64+0xc6/0x1e0 [15720.379834][ T7704] [15720.381992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15720.381992][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15720.381992][ T7704] ipv6_find_idev+0x102/0x170 [15720.381992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15720.381992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15720.381992][ T7704] netlink_rcv_skb+0x130/0x360 [15720.381992][ T7704] netlink_unicast+0x449/0x710 [15720.381992][ T7704] netlink_sendmsg+0x723/0xbe0 [15720.381992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15720.381992][ T7704] ___sys_sendmsg+0xee/0x170 [15720.381992][ T7704] __sys_sendmsg+0xcd/0x170 [15720.381992][ T7704] do_syscall_64+0xc6/0x1e0 [15720.381992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15720.381992][ T7704] [15720.383693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15720.383693][ T7704] neigh_parms_alloc+0x1e5/0x510 [15720.383693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15720.383693][ T7704] ipv6_find_idev+0x102/0x170 [15720.383693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15720.383693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15720.383693][ T7704] netlink_rcv_skb+0x130/0x360 [15720.383693][ T7704] netlink_unicast+0x449/0x710 [15720.383693][ T7704] netlink_sendmsg+0x723/0xbe0 [15720.383693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15720.383693][ T7704] ___sys_sendmsg+0xee/0x170 [15720.383693][ T7704] __sys_sendmsg+0xcd/0x170 [15720.383693][ T7704] do_syscall_64+0xc6/0x1e0 [15720.383693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15720.383693][ T7704] [15730.622929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15730.623402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15730.623402][ T7704] netdev_get_by_index+0x5e/0x80 [15730.623402][ T7704] fib6_nh_init+0x3d8/0x15b0 [15730.623402][ T7704] ip6_route_info_create+0xf18/0x17d0 [15730.623402][ T7704] ip6_route_add+0x1c/0x140 [15730.623402][ T7704] addrconf_prefix_route+0x2a6/0x430 [15730.623402][ T7704] inet6_addr_add+0x4f8/0xa40 [15730.623402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15730.623402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15730.623402][ T7704] netlink_rcv_skb+0x130/0x360 [15730.623402][ T7704] netlink_unicast+0x449/0x710 [15730.623402][ T7704] netlink_sendmsg+0x723/0xbe0 [15730.623402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15730.623402][ T7704] ___sys_sendmsg+0xee/0x170 [15730.623402][ T7704] __sys_sendmsg+0xcd/0x170 [15730.623402][ T7704] do_syscall_64+0xc6/0x1e0 [15730.623402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15730.623402][ T7704] [15730.625655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15730.625655][ T7704] netdev_get_by_index+0x5e/0x80 [15730.625655][ T7704] fib6_nh_init+0x3d8/0x15b0 [15730.625655][ T7704] ip6_route_info_create+0xf18/0x17d0 [15730.625655][ T7704] addrconf_f6i_alloc+0x315/0x560 [15730.625655][ T7704] ipv6_add_addr+0x411/0x2000 [15730.625655][ T7704] inet6_addr_add+0x30e/0xa40 [15730.625655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15730.625655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15730.625655][ T7704] netlink_rcv_skb+0x130/0x360 [15730.625655][ T7704] netlink_unicast+0x449/0x710 [15730.625655][ T7704] netlink_sendmsg+0x723/0xbe0 [15730.625655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15730.625655][ T7704] ___sys_sendmsg+0xee/0x170 [15730.625655][ T7704] __sys_sendmsg+0xcd/0x170 [15730.625655][ T7704] do_syscall_64+0xc6/0x1e0 [15730.625655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15730.625655][ T7704] [15730.627891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15730.627891][ T7704] netdev_get_by_index+0x5e/0x80 [15730.627891][ T7704] fib6_nh_init+0x3d8/0x15b0 [15730.627891][ T7704] ip6_route_info_create+0xf18/0x17d0 [15730.627891][ T7704] ip6_route_add+0x1c/0x140 [15730.627891][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15730.627891][ T7704] addrconf_add_dev+0xe2/0x170 [15730.627891][ T7704] inet6_addr_add+0x12f/0xa40 [15730.627891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15730.627891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15730.627891][ T7704] netlink_rcv_skb+0x130/0x360 [15730.627891][ T7704] netlink_unicast+0x449/0x710 [15730.627891][ T7704] netlink_sendmsg+0x723/0xbe0 [15730.627891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15730.627891][ T7704] ___sys_sendmsg+0xee/0x170 [15730.627891][ T7704] __sys_sendmsg+0xcd/0x170 [15730.627891][ T7704] do_syscall_64+0xc6/0x1e0 [15730.627891][ T7704] [15730.630067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15730.630067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15730.630067][ T7704] ipv6_find_idev+0x102/0x170 [15730.630067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15730.630067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15730.630067][ T7704] netlink_rcv_skb+0x130/0x360 [15730.630067][ T7704] netlink_unicast+0x449/0x710 [15730.630067][ T7704] netlink_sendmsg+0x723/0xbe0 [15730.630067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15730.630067][ T7704] ___sys_sendmsg+0xee/0x170 [15730.630067][ T7704] __sys_sendmsg+0xcd/0x170 [15730.630067][ T7704] do_syscall_64+0xc6/0x1e0 [15730.630067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15730.630067][ T7704] [15730.631779][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15730.631779][ T7704] neigh_parms_alloc+0x1e5/0x510 [15730.631779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15730.631779][ T7704] ipv6_find_idev+0x102/0x170 [15730.631779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15730.631779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15730.631779][ T7704] netlink_rcv_skb+0x130/0x360 [15730.631779][ T7704] netlink_unicast+0x449/0x710 [15730.631779][ T7704] netlink_sendmsg+0x723/0xbe0 [15730.631779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15730.631779][ T7704] ___sys_sendmsg+0xee/0x170 [15730.631779][ T7704] __sys_sendmsg+0xcd/0x170 [15730.631779][ T7704] do_syscall_64+0xc6/0x1e0 [15730.631779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15730.631779][ T7704] [15740.870941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15740.871428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15740.871428][ T7704] netdev_get_by_index+0x5e/0x80 [15740.871428][ T7704] fib6_nh_init+0x3d8/0x15b0 [15740.871428][ T7704] ip6_route_info_create+0xf18/0x17d0 [15740.871428][ T7704] ip6_route_add+0x1c/0x140 [15740.871428][ T7704] addrconf_prefix_route+0x2a6/0x430 [15740.871428][ T7704] inet6_addr_add+0x4f8/0xa40 [15740.871428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15740.871428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15740.871428][ T7704] netlink_rcv_skb+0x130/0x360 [15740.871428][ T7704] netlink_unicast+0x449/0x710 [15740.871428][ T7704] netlink_sendmsg+0x723/0xbe0 [15740.871428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15740.871428][ T7704] ___sys_sendmsg+0xee/0x170 [15740.871428][ T7704] __sys_sendmsg+0xcd/0x170 [15740.871428][ T7704] do_syscall_64+0xc6/0x1e0 [15740.871428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15740.871428][ T7704] [15740.873709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15740.873709][ T7704] netdev_get_by_index+0x5e/0x80 [15740.873709][ T7704] fib6_nh_init+0x3d8/0x15b0 [15740.873709][ T7704] ip6_route_info_create+0xf18/0x17d0 [15740.873709][ T7704] addrconf_f6i_alloc+0x315/0x560 [15740.873709][ T7704] ipv6_add_addr+0x411/0x2000 [15740.873709][ T7704] inet6_addr_add+0x30e/0xa40 [15740.873709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15740.873709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15740.873709][ T7704] netlink_rcv_skb+0x130/0x360 [15740.873709][ T7704] netlink_unicast+0x449/0x710 [15740.873709][ T7704] netlink_sendmsg+0x723/0xbe0 [15740.873709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15740.873709][ T7704] ___sys_sendmsg+0xee/0x170 [15740.873709][ T7704] __sys_sendmsg+0xcd/0x170 [15740.873709][ T7704] do_syscall_64+0xc6/0x1e0 [15740.873709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15740.873709][ T7704] [15740.875928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15740.875928][ T7704] netdev_get_by_index+0x5e/0x80 [15740.875928][ T7704] fib6_nh_init+0x3d8/0x15b0 [15740.875928][ T7704] ip6_route_info_create+0xf18/0x17d0 [15740.875928][ T7704] ip6_route_add+0x1c/0x140 [15740.875928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15740.875928][ T7704] addrconf_add_dev+0xe2/0x170 [15740.875928][ T7704] inet6_addr_add+0x12f/0xa40 [15740.875928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15740.875928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15740.875928][ T7704] netlink_rcv_skb+0x130/0x360 [15740.875928][ T7704] netlink_unicast+0x449/0x710 [15740.875928][ T7704] netlink_sendmsg+0x723/0xbe0 [15740.875928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15740.875928][ T7704] ___sys_sendmsg+0xee/0x170 [15740.875928][ T7704] __sys_sendmsg+0xcd/0x170 [15740.875928][ T7704] do_syscall_64+0xc6/0x1e0 [15740.875928][ T7704] [15740.878130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15740.878130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15740.878130][ T7704] ipv6_find_idev+0x102/0x170 [15740.878130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15740.878130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15740.878130][ T7704] netlink_rcv_skb+0x130/0x360 [15740.878130][ T7704] netlink_unicast+0x449/0x710 [15740.878130][ T7704] netlink_sendmsg+0x723/0xbe0 [15740.878130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15740.878130][ T7704] ___sys_sendmsg+0xee/0x170 [15740.878130][ T7704] __sys_sendmsg+0xcd/0x170 [15740.878130][ T7704] do_syscall_64+0xc6/0x1e0 [15740.878130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15740.878130][ T7704] [15740.879856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15740.879856][ T7704] neigh_parms_alloc+0x1e5/0x510 [15740.879856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15740.879856][ T7704] ipv6_find_idev+0x102/0x170 [15740.879856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15740.879856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15740.879856][ T7704] netlink_rcv_skb+0x130/0x360 [15740.879856][ T7704] netlink_unicast+0x449/0x710 [15740.879856][ T7704] netlink_sendmsg+0x723/0xbe0 [15740.879856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15740.879856][ T7704] ___sys_sendmsg+0xee/0x170 [15740.879856][ T7704] __sys_sendmsg+0xcd/0x170 [15740.879856][ T7704] do_syscall_64+0xc6/0x1e0 [15740.879856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15740.879856][ T7704] [15751.118972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15751.119455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15751.119455][ T7704] netdev_get_by_index+0x5e/0x80 [15751.119455][ T7704] fib6_nh_init+0x3d8/0x15b0 [15751.119455][ T7704] ip6_route_info_create+0xf18/0x17d0 [15751.119455][ T7704] ip6_route_add+0x1c/0x140 [15751.119455][ T7704] addrconf_prefix_route+0x2a6/0x430 [15751.119455][ T7704] inet6_addr_add+0x4f8/0xa40 [15751.119455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15751.119455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15751.119455][ T7704] netlink_rcv_skb+0x130/0x360 [15751.119455][ T7704] netlink_unicast+0x449/0x710 [15751.119455][ T7704] netlink_sendmsg+0x723/0xbe0 [15751.119455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15751.119455][ T7704] ___sys_sendmsg+0xee/0x170 [15751.119455][ T7704] __sys_sendmsg+0xcd/0x170 [15751.119455][ T7704] do_syscall_64+0xc6/0x1e0 [15751.119455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15751.119455][ T7704] [15751.121693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15751.121693][ T7704] netdev_get_by_index+0x5e/0x80 [15751.121693][ T7704] fib6_nh_init+0x3d8/0x15b0 [15751.121693][ T7704] ip6_route_info_create+0xf18/0x17d0 [15751.121693][ T7704] addrconf_f6i_alloc+0x315/0x560 [15751.121693][ T7704] ipv6_add_addr+0x411/0x2000 [15751.121693][ T7704] inet6_addr_add+0x30e/0xa40 [15751.121693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15751.121693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15751.121693][ T7704] netlink_rcv_skb+0x130/0x360 [15751.121693][ T7704] netlink_unicast+0x449/0x710 [15751.121693][ T7704] netlink_sendmsg+0x723/0xbe0 [15751.121693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15751.121693][ T7704] ___sys_sendmsg+0xee/0x170 [15751.121693][ T7704] __sys_sendmsg+0xcd/0x170 [15751.121693][ T7704] do_syscall_64+0xc6/0x1e0 [15751.121693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15751.121693][ T7704] [15751.123904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15751.123904][ T7704] netdev_get_by_index+0x5e/0x80 [15751.123904][ T7704] fib6_nh_init+0x3d8/0x15b0 [15751.123904][ T7704] ip6_route_info_create+0xf18/0x17d0 [15751.123904][ T7704] ip6_route_add+0x1c/0x140 [15751.123904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15751.123904][ T7704] addrconf_add_dev+0xe2/0x170 [15751.123904][ T7704] inet6_addr_add+0x12f/0xa40 [15751.123904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15751.123904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15751.123904][ T7704] netlink_rcv_skb+0x130/0x360 [15751.123904][ T7704] netlink_unicast+0x449/0x710 [15751.123904][ T7704] netlink_sendmsg+0x723/0xbe0 [15751.123904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15751.123904][ T7704] ___sys_sendmsg+0xee/0x170 [15751.123904][ T7704] __sys_sendmsg+0xcd/0x170 [15751.123904][ T7704] do_syscall_64+0xc6/0x1e0 [15751.123904][ T7704] [15751.126093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15751.126093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15751.126093][ T7704] ipv6_find_idev+0x102/0x170 [15751.126093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15751.126093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15751.126093][ T7704] netlink_rcv_skb+0x130/0x360 [15751.126093][ T7704] netlink_unicast+0x449/0x710 [15751.126093][ T7704] netlink_sendmsg+0x723/0xbe0 [15751.126093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15751.126093][ T7704] ___sys_sendmsg+0xee/0x170 [15751.126093][ T7704] __sys_sendmsg+0xcd/0x170 [15751.126093][ T7704] do_syscall_64+0xc6/0x1e0 [15751.126093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15751.126093][ T7704] [15751.127808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15751.127808][ T7704] neigh_parms_alloc+0x1e5/0x510 [15751.127808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15751.127808][ T7704] ipv6_find_idev+0x102/0x170 [15751.127808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15751.127808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15751.127808][ T7704] netlink_rcv_skb+0x130/0x360 [15751.127808][ T7704] netlink_unicast+0x449/0x710 [15751.127808][ T7704] netlink_sendmsg+0x723/0xbe0 [15751.127808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15751.127808][ T7704] ___sys_sendmsg+0xee/0x170 [15751.127808][ T7704] __sys_sendmsg+0xcd/0x170 [15751.127808][ T7704] do_syscall_64+0xc6/0x1e0 [15751.127808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15751.127808][ T7704] [15761.366892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15761.367373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15761.367373][ T7704] netdev_get_by_index+0x5e/0x80 [15761.367373][ T7704] fib6_nh_init+0x3d8/0x15b0 [15761.367373][ T7704] ip6_route_info_create+0xf18/0x17d0 [15761.367373][ T7704] ip6_route_add+0x1c/0x140 [15761.367373][ T7704] addrconf_prefix_route+0x2a6/0x430 [15761.367373][ T7704] inet6_addr_add+0x4f8/0xa40 [15761.367373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15761.367373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15761.367373][ T7704] netlink_rcv_skb+0x130/0x360 [15761.367373][ T7704] netlink_unicast+0x449/0x710 [15761.367373][ T7704] netlink_sendmsg+0x723/0xbe0 [15761.367373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15761.367373][ T7704] ___sys_sendmsg+0xee/0x170 [15761.367373][ T7704] __sys_sendmsg+0xcd/0x170 [15761.367373][ T7704] do_syscall_64+0xc6/0x1e0 [15761.367373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15761.367373][ T7704] [15761.370109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15761.370109][ T7704] netdev_get_by_index+0x5e/0x80 [15761.370109][ T7704] fib6_nh_init+0x3d8/0x15b0 [15761.370109][ T7704] ip6_route_info_create+0xf18/0x17d0 [15761.370109][ T7704] addrconf_f6i_alloc+0x315/0x560 [15761.370109][ T7704] ipv6_add_addr+0x411/0x2000 [15761.370109][ T7704] inet6_addr_add+0x30e/0xa40 [15761.370109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15761.370109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15761.370109][ T7704] netlink_rcv_skb+0x130/0x360 [15761.370109][ T7704] netlink_unicast+0x449/0x710 [15761.370109][ T7704] netlink_sendmsg+0x723/0xbe0 [15761.370109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15761.370109][ T7704] ___sys_sendmsg+0xee/0x170 [15761.370109][ T7704] __sys_sendmsg+0xcd/0x170 [15761.370109][ T7704] do_syscall_64+0xc6/0x1e0 [15761.370109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15761.370109][ T7704] [15761.372830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15761.372830][ T7704] netdev_get_by_index+0x5e/0x80 [15761.372830][ T7704] fib6_nh_init+0x3d8/0x15b0 [15761.372830][ T7704] ip6_route_info_create+0xf18/0x17d0 [15761.372830][ T7704] ip6_route_add+0x1c/0x140 [15761.372830][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15761.372830][ T7704] addrconf_add_dev+0xe2/0x170 [15761.372830][ T7704] inet6_addr_add+0x12f/0xa40 [15761.372830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15761.372830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15761.372830][ T7704] netlink_rcv_skb+0x130/0x360 [15761.372830][ T7704] netlink_unicast+0x449/0x710 [15761.372830][ T7704] netlink_sendmsg+0x723/0xbe0 [15761.372830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15761.372830][ T7704] ___sys_sendmsg+0xee/0x170 [15761.372830][ T7704] __sys_sendmsg+0xcd/0x170 [15761.372830][ T7704] do_syscall_64+0xc6/0x1e0 [15761.372830][ T7704] [15761.375499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15761.375499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15761.375499][ T7704] ipv6_find_idev+0x102/0x170 [15761.375499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15761.375499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15761.375499][ T7704] netlink_rcv_skb+0x130/0x360 [15761.375499][ T7704] netlink_unicast+0x449/0x710 [15761.375499][ T7704] netlink_sendmsg+0x723/0xbe0 [15761.375499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15761.375499][ T7704] ___sys_sendmsg+0xee/0x170 [15761.375499][ T7704] __sys_sendmsg+0xcd/0x170 [15761.375499][ T7704] do_syscall_64+0xc6/0x1e0 [15761.375499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15761.375499][ T7704] [15761.377605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15761.377605][ T7704] neigh_parms_alloc+0x1e5/0x510 [15761.377605][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15761.377605][ T7704] ipv6_find_idev+0x102/0x170 [15761.377605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15761.377605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15761.377605][ T7704] netlink_rcv_skb+0x130/0x360 [15761.377605][ T7704] netlink_unicast+0x449/0x710 [15761.377605][ T7704] netlink_sendmsg+0x723/0xbe0 [15761.377605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15761.377605][ T7704] ___sys_sendmsg+0xee/0x170 [15761.377605][ T7704] __sys_sendmsg+0xcd/0x170 [15761.377605][ T7704] do_syscall_64+0xc6/0x1e0 [15761.377605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15761.377605][ T7704] [15771.614955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15771.615445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15771.615445][ T7704] netdev_get_by_index+0x5e/0x80 [15771.615445][ T7704] fib6_nh_init+0x3d8/0x15b0 [15771.615445][ T7704] ip6_route_info_create+0xf18/0x17d0 [15771.615445][ T7704] ip6_route_add+0x1c/0x140 [15771.615445][ T7704] addrconf_prefix_route+0x2a6/0x430 [15771.615445][ T7704] inet6_addr_add+0x4f8/0xa40 [15771.615445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15771.615445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15771.615445][ T7704] netlink_rcv_skb+0x130/0x360 [15771.615445][ T7704] netlink_unicast+0x449/0x710 [15771.615445][ T7704] netlink_sendmsg+0x723/0xbe0 [15771.615445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15771.615445][ T7704] ___sys_sendmsg+0xee/0x170 [15771.615445][ T7704] __sys_sendmsg+0xcd/0x170 [15771.615445][ T7704] do_syscall_64+0xc6/0x1e0 [15771.615445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15771.615445][ T7704] [15771.617693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15771.617693][ T7704] netdev_get_by_index+0x5e/0x80 [15771.617693][ T7704] fib6_nh_init+0x3d8/0x15b0 [15771.617693][ T7704] ip6_route_info_create+0xf18/0x17d0 [15771.617693][ T7704] addrconf_f6i_alloc+0x315/0x560 [15771.617693][ T7704] ipv6_add_addr+0x411/0x2000 [15771.617693][ T7704] inet6_addr_add+0x30e/0xa40 [15771.617693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15771.617693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15771.617693][ T7704] netlink_rcv_skb+0x130/0x360 [15771.617693][ T7704] netlink_unicast+0x449/0x710 [15771.617693][ T7704] netlink_sendmsg+0x723/0xbe0 [15771.617693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15771.617693][ T7704] ___sys_sendmsg+0xee/0x170 [15771.617693][ T7704] __sys_sendmsg+0xcd/0x170 [15771.617693][ T7704] do_syscall_64+0xc6/0x1e0 [15771.617693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15771.617693][ T7704] [15771.619907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15771.619907][ T7704] netdev_get_by_index+0x5e/0x80 [15771.619907][ T7704] fib6_nh_init+0x3d8/0x15b0 [15771.619907][ T7704] ip6_route_info_create+0xf18/0x17d0 [15771.619907][ T7704] ip6_route_add+0x1c/0x140 [15771.619907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15771.619907][ T7704] addrconf_add_dev+0xe2/0x170 [15771.619907][ T7704] inet6_addr_add+0x12f/0xa40 [15771.619907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15771.619907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15771.619907][ T7704] netlink_rcv_skb+0x130/0x360 [15771.619907][ T7704] netlink_unicast+0x449/0x710 [15771.619907][ T7704] netlink_sendmsg+0x723/0xbe0 [15771.619907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15771.619907][ T7704] ___sys_sendmsg+0xee/0x170 [15771.619907][ T7704] __sys_sendmsg+0xcd/0x170 [15771.619907][ T7704] do_syscall_64+0xc6/0x1e0 [15771.619907][ T7704] [15771.622086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15771.622086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15771.622086][ T7704] ipv6_find_idev+0x102/0x170 [15771.622086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15771.622086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15771.622086][ T7704] netlink_rcv_skb+0x130/0x360 [15771.622086][ T7704] netlink_unicast+0x449/0x710 [15771.622086][ T7704] netlink_sendmsg+0x723/0xbe0 [15771.622086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15771.622086][ T7704] ___sys_sendmsg+0xee/0x170 [15771.622086][ T7704] __sys_sendmsg+0xcd/0x170 [15771.622086][ T7704] do_syscall_64+0xc6/0x1e0 [15771.622086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15771.622086][ T7704] [15771.623798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15771.623798][ T7704] neigh_parms_alloc+0x1e5/0x510 [15771.623798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15771.623798][ T7704] ipv6_find_idev+0x102/0x170 [15771.623798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15771.623798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15771.623798][ T7704] netlink_rcv_skb+0x130/0x360 [15771.623798][ T7704] netlink_unicast+0x449/0x710 [15771.623798][ T7704] netlink_sendmsg+0x723/0xbe0 [15771.623798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15771.623798][ T7704] ___sys_sendmsg+0xee/0x170 [15771.623798][ T7704] __sys_sendmsg+0xcd/0x170 [15771.623798][ T7704] do_syscall_64+0xc6/0x1e0 [15771.623798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15771.623798][ T7704] [15781.870955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15781.871377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15781.871377][ T7704] netdev_get_by_index+0x5e/0x80 [15781.871377][ T7704] fib6_nh_init+0x3d8/0x15b0 [15781.871377][ T7704] ip6_route_info_create+0xf18/0x17d0 [15781.871377][ T7704] ip6_route_add+0x1c/0x140 [15781.871377][ T7704] addrconf_prefix_route+0x2a6/0x430 [15781.871377][ T7704] inet6_addr_add+0x4f8/0xa40 [15781.871377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15781.871377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15781.871377][ T7704] netlink_rcv_skb+0x130/0x360 [15781.871377][ T7704] netlink_unicast+0x449/0x710 [15781.871377][ T7704] netlink_sendmsg+0x723/0xbe0 [15781.871377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15781.871377][ T7704] ___sys_sendmsg+0xee/0x170 [15781.871377][ T7704] __sys_sendmsg+0xcd/0x170 [15781.871377][ T7704] do_syscall_64+0xc6/0x1e0 [15781.871377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15781.871377][ T7704] [15781.873614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15781.873614][ T7704] netdev_get_by_index+0x5e/0x80 [15781.873614][ T7704] fib6_nh_init+0x3d8/0x15b0 [15781.873614][ T7704] ip6_route_info_create+0xf18/0x17d0 [15781.873614][ T7704] addrconf_f6i_alloc+0x315/0x560 [15781.873614][ T7704] ipv6_add_addr+0x411/0x2000 [15781.873614][ T7704] inet6_addr_add+0x30e/0xa40 [15781.873614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15781.873614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15781.873614][ T7704] netlink_rcv_skb+0x130/0x360 [15781.873614][ T7704] netlink_unicast+0x449/0x710 [15781.873614][ T7704] netlink_sendmsg+0x723/0xbe0 [15781.873614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15781.873614][ T7704] ___sys_sendmsg+0xee/0x170 [15781.873614][ T7704] __sys_sendmsg+0xcd/0x170 [15781.873614][ T7704] do_syscall_64+0xc6/0x1e0 [15781.873614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15781.873614][ T7704] [15781.876369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15781.876369][ T7704] netdev_get_by_index+0x5e/0x80 [15781.876369][ T7704] fib6_nh_init+0x3d8/0x15b0 [15781.876369][ T7704] ip6_route_info_create+0xf18/0x17d0 [15781.876369][ T7704] ip6_route_add+0x1c/0x140 [15781.876369][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15781.876369][ T7704] addrconf_add_dev+0xe2/0x170 [15781.876369][ T7704] inet6_addr_add+0x12f/0xa40 [15781.876369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15781.876369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15781.876369][ T7704] netlink_rcv_skb+0x130/0x360 [15781.876369][ T7704] netlink_unicast+0x449/0x710 [15781.876369][ T7704] netlink_sendmsg+0x723/0xbe0 [15781.876369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15781.876369][ T7704] ___sys_sendmsg+0xee/0x170 [15781.876369][ T7704] __sys_sendmsg+0xcd/0x170 [15781.876369][ T7704] do_syscall_64+0xc6/0x1e0 [15781.876369][ T7704] [15781.878544][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15781.878544][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15781.878544][ T7704] ipv6_find_idev+0x102/0x170 [15781.878544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15781.878544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15781.878544][ T7704] netlink_rcv_skb+0x130/0x360 [15781.878544][ T7704] netlink_unicast+0x449/0x710 [15781.878544][ T7704] netlink_sendmsg+0x723/0xbe0 [15781.878544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15781.878544][ T7704] ___sys_sendmsg+0xee/0x170 [15781.878544][ T7704] __sys_sendmsg+0xcd/0x170 [15781.878544][ T7704] do_syscall_64+0xc6/0x1e0 [15781.878544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15781.878544][ T7704] [15781.880247][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15781.880247][ T7704] neigh_parms_alloc+0x1e5/0x510 [15781.880247][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15781.880247][ T7704] ipv6_find_idev+0x102/0x170 [15781.880247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15781.880247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15781.880247][ T7704] netlink_rcv_skb+0x130/0x360 [15781.880247][ T7704] netlink_unicast+0x449/0x710 [15781.880247][ T7704] netlink_sendmsg+0x723/0xbe0 [15781.880247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15781.880247][ T7704] ___sys_sendmsg+0xee/0x170 [15781.880247][ T7704] __sys_sendmsg+0xcd/0x170 [15781.880247][ T7704] do_syscall_64+0xc6/0x1e0 [15781.880247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15781.880247][ T7704] [15792.134952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15792.135430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15792.135430][ T7704] netdev_get_by_index+0x5e/0x80 [15792.135430][ T7704] fib6_nh_init+0x3d8/0x15b0 [15792.135430][ T7704] ip6_route_info_create+0xf18/0x17d0 [15792.135430][ T7704] ip6_route_add+0x1c/0x140 [15792.135430][ T7704] addrconf_prefix_route+0x2a6/0x430 [15792.135430][ T7704] inet6_addr_add+0x4f8/0xa40 [15792.135430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15792.135430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15792.135430][ T7704] netlink_rcv_skb+0x130/0x360 [15792.135430][ T7704] netlink_unicast+0x449/0x710 [15792.135430][ T7704] netlink_sendmsg+0x723/0xbe0 [15792.135430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15792.135430][ T7704] ___sys_sendmsg+0xee/0x170 [15792.135430][ T7704] __sys_sendmsg+0xcd/0x170 [15792.135430][ T7704] do_syscall_64+0xc6/0x1e0 [15792.135430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15792.135430][ T7704] [15792.137682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15792.137682][ T7704] netdev_get_by_index+0x5e/0x80 [15792.137682][ T7704] fib6_nh_init+0x3d8/0x15b0 [15792.137682][ T7704] ip6_route_info_create+0xf18/0x17d0 [15792.137682][ T7704] addrconf_f6i_alloc+0x315/0x560 [15792.137682][ T7704] ipv6_add_addr+0x411/0x2000 [15792.137682][ T7704] inet6_addr_add+0x30e/0xa40 [15792.137682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15792.137682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15792.137682][ T7704] netlink_rcv_skb+0x130/0x360 [15792.137682][ T7704] netlink_unicast+0x449/0x710 [15792.137682][ T7704] netlink_sendmsg+0x723/0xbe0 [15792.137682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15792.137682][ T7704] ___sys_sendmsg+0xee/0x170 [15792.137682][ T7704] __sys_sendmsg+0xcd/0x170 [15792.137682][ T7704] do_syscall_64+0xc6/0x1e0 [15792.137682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15792.137682][ T7704] [15792.139906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15792.139906][ T7704] netdev_get_by_index+0x5e/0x80 [15792.139906][ T7704] fib6_nh_init+0x3d8/0x15b0 [15792.139906][ T7704] ip6_route_info_create+0xf18/0x17d0 [15792.139906][ T7704] ip6_route_add+0x1c/0x140 [15792.139906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15792.139906][ T7704] addrconf_add_dev+0xe2/0x170 [15792.139906][ T7704] inet6_addr_add+0x12f/0xa40 [15792.139906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15792.139906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15792.139906][ T7704] netlink_rcv_skb+0x130/0x360 [15792.139906][ T7704] netlink_unicast+0x449/0x710 [15792.139906][ T7704] netlink_sendmsg+0x723/0xbe0 [15792.139906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15792.139906][ T7704] ___sys_sendmsg+0xee/0x170 [15792.139906][ T7704] __sys_sendmsg+0xcd/0x170 [15792.139906][ T7704] do_syscall_64+0xc6/0x1e0 [15792.139906][ T7704] [15792.142083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15792.142083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15792.142083][ T7704] ipv6_find_idev+0x102/0x170 [15792.142083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15792.142083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15792.142083][ T7704] netlink_rcv_skb+0x130/0x360 [15792.142083][ T7704] netlink_unicast+0x449/0x710 [15792.142083][ T7704] netlink_sendmsg+0x723/0xbe0 [15792.142083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15792.142083][ T7704] ___sys_sendmsg+0xee/0x170 [15792.142083][ T7704] __sys_sendmsg+0xcd/0x170 [15792.142083][ T7704] do_syscall_64+0xc6/0x1e0 [15792.142083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15792.142083][ T7704] [15792.143784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15792.143784][ T7704] neigh_parms_alloc+0x1e5/0x510 [15792.143784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15792.143784][ T7704] ipv6_find_idev+0x102/0x170 [15792.143784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15792.143784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15792.143784][ T7704] netlink_rcv_skb+0x130/0x360 [15792.143784][ T7704] netlink_unicast+0x449/0x710 [15792.143784][ T7704] netlink_sendmsg+0x723/0xbe0 [15792.143784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15792.143784][ T7704] ___sys_sendmsg+0xee/0x170 [15792.143784][ T7704] __sys_sendmsg+0xcd/0x170 [15792.143784][ T7704] do_syscall_64+0xc6/0x1e0 [15792.143784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15792.143784][ T7704] [15802.390942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15802.391430][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15802.391430][ T7704] netdev_get_by_index+0x5e/0x80 [15802.391430][ T7704] fib6_nh_init+0x3d8/0x15b0 [15802.391430][ T7704] ip6_route_info_create+0xf18/0x17d0 [15802.391430][ T7704] ip6_route_add+0x1c/0x140 [15802.391430][ T7704] addrconf_prefix_route+0x2a6/0x430 [15802.391430][ T7704] inet6_addr_add+0x4f8/0xa40 [15802.391430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15802.391430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15802.391430][ T7704] netlink_rcv_skb+0x130/0x360 [15802.391430][ T7704] netlink_unicast+0x449/0x710 [15802.391430][ T7704] netlink_sendmsg+0x723/0xbe0 [15802.391430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15802.391430][ T7704] ___sys_sendmsg+0xee/0x170 [15802.391430][ T7704] __sys_sendmsg+0xcd/0x170 [15802.391430][ T7704] do_syscall_64+0xc6/0x1e0 [15802.391430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15802.391430][ T7704] [15802.393690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15802.393690][ T7704] netdev_get_by_index+0x5e/0x80 [15802.393690][ T7704] fib6_nh_init+0x3d8/0x15b0 [15802.393690][ T7704] ip6_route_info_create+0xf18/0x17d0 [15802.393690][ T7704] addrconf_f6i_alloc+0x315/0x560 [15802.393690][ T7704] ipv6_add_addr+0x411/0x2000 [15802.393690][ T7704] inet6_addr_add+0x30e/0xa40 [15802.393690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15802.393690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15802.393690][ T7704] netlink_rcv_skb+0x130/0x360 [15802.393690][ T7704] netlink_unicast+0x449/0x710 [15802.393690][ T7704] netlink_sendmsg+0x723/0xbe0 [15802.393690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15802.393690][ T7704] ___sys_sendmsg+0xee/0x170 [15802.393690][ T7704] __sys_sendmsg+0xcd/0x170 [15802.393690][ T7704] do_syscall_64+0xc6/0x1e0 [15802.393690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15802.393690][ T7704] [15802.395926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15802.395926][ T7704] netdev_get_by_index+0x5e/0x80 [15802.395926][ T7704] fib6_nh_init+0x3d8/0x15b0 [15802.395926][ T7704] ip6_route_info_create+0xf18/0x17d0 [15802.395926][ T7704] ip6_route_add+0x1c/0x140 [15802.395926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15802.395926][ T7704] addrconf_add_dev+0xe2/0x170 [15802.395926][ T7704] inet6_addr_add+0x12f/0xa40 [15802.395926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15802.395926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15802.395926][ T7704] netlink_rcv_skb+0x130/0x360 [15802.395926][ T7704] netlink_unicast+0x449/0x710 [15802.395926][ T7704] netlink_sendmsg+0x723/0xbe0 [15802.395926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15802.395926][ T7704] ___sys_sendmsg+0xee/0x170 [15802.395926][ T7704] __sys_sendmsg+0xcd/0x170 [15802.395926][ T7704] do_syscall_64+0xc6/0x1e0 [15802.395926][ T7704] [15802.398113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15802.398113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15802.398113][ T7704] ipv6_find_idev+0x102/0x170 [15802.398113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15802.398113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15802.398113][ T7704] netlink_rcv_skb+0x130/0x360 [15802.398113][ T7704] netlink_unicast+0x449/0x710 [15802.398113][ T7704] netlink_sendmsg+0x723/0xbe0 [15802.398113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15802.398113][ T7704] ___sys_sendmsg+0xee/0x170 [15802.398113][ T7704] __sys_sendmsg+0xcd/0x170 [15802.398113][ T7704] do_syscall_64+0xc6/0x1e0 [15802.398113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15802.398113][ T7704] [15802.399832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15802.399832][ T7704] neigh_parms_alloc+0x1e5/0x510 [15802.399832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15802.399832][ T7704] ipv6_find_idev+0x102/0x170 [15802.399832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15802.399832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15802.399832][ T7704] netlink_rcv_skb+0x130/0x360 [15802.399832][ T7704] netlink_unicast+0x449/0x710 [15802.399832][ T7704] netlink_sendmsg+0x723/0xbe0 [15802.399832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15802.399832][ T7704] ___sys_sendmsg+0xee/0x170 [15802.399832][ T7704] __sys_sendmsg+0xcd/0x170 [15802.399832][ T7704] do_syscall_64+0xc6/0x1e0 [15802.399832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15802.399832][ T7704] [15812.646887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15812.647362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15812.647362][ T7704] netdev_get_by_index+0x5e/0x80 [15812.647362][ T7704] fib6_nh_init+0x3d8/0x15b0 [15812.647362][ T7704] ip6_route_info_create+0xf18/0x17d0 [15812.647362][ T7704] ip6_route_add+0x1c/0x140 [15812.647362][ T7704] addrconf_prefix_route+0x2a6/0x430 [15812.647362][ T7704] inet6_addr_add+0x4f8/0xa40 [15812.647362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15812.647362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15812.647362][ T7704] netlink_rcv_skb+0x130/0x360 [15812.647362][ T7704] netlink_unicast+0x449/0x710 [15812.647362][ T7704] netlink_sendmsg+0x723/0xbe0 [15812.647362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15812.647362][ T7704] ___sys_sendmsg+0xee/0x170 [15812.647362][ T7704] __sys_sendmsg+0xcd/0x170 [15812.647362][ T7704] do_syscall_64+0xc6/0x1e0 [15812.647362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15812.647362][ T7704] [15812.649570][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15812.649570][ T7704] netdev_get_by_index+0x5e/0x80 [15812.649570][ T7704] fib6_nh_init+0x3d8/0x15b0 [15812.649570][ T7704] ip6_route_info_create+0xf18/0x17d0 [15812.649570][ T7704] addrconf_f6i_alloc+0x315/0x560 [15812.649570][ T7704] ipv6_add_addr+0x411/0x2000 [15812.649570][ T7704] inet6_addr_add+0x30e/0xa40 [15812.649570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15812.649570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15812.649570][ T7704] netlink_rcv_skb+0x130/0x360 [15812.649570][ T7704] netlink_unicast+0x449/0x710 [15812.649570][ T7704] netlink_sendmsg+0x723/0xbe0 [15812.649570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15812.649570][ T7704] ___sys_sendmsg+0xee/0x170 [15812.649570][ T7704] __sys_sendmsg+0xcd/0x170 [15812.649570][ T7704] do_syscall_64+0xc6/0x1e0 [15812.649570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15812.649570][ T7704] [15812.651744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15812.651744][ T7704] netdev_get_by_index+0x5e/0x80 [15812.651744][ T7704] fib6_nh_init+0x3d8/0x15b0 [15812.651744][ T7704] ip6_route_info_create+0xf18/0x17d0 [15812.651744][ T7704] ip6_route_add+0x1c/0x140 [15812.651744][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15812.651744][ T7704] addrconf_add_dev+0xe2/0x170 [15812.651744][ T7704] inet6_addr_add+0x12f/0xa40 [15812.651744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15812.651744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15812.651744][ T7704] netlink_rcv_skb+0x130/0x360 [15812.651744][ T7704] netlink_unicast+0x449/0x710 [15812.651744][ T7704] netlink_sendmsg+0x723/0xbe0 [15812.651744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15812.651744][ T7704] ___sys_sendmsg+0xee/0x170 [15812.651744][ T7704] __sys_sendmsg+0xcd/0x170 [15812.651744][ T7704] do_syscall_64+0xc6/0x1e0 [15812.651744][ T7704] [15812.653924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15812.653924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15812.653924][ T7704] ipv6_find_idev+0x102/0x170 [15812.653924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15812.653924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15812.653924][ T7704] netlink_rcv_skb+0x130/0x360 [15812.653924][ T7704] netlink_unicast+0x449/0x710 [15812.653924][ T7704] netlink_sendmsg+0x723/0xbe0 [15812.653924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15812.653924][ T7704] ___sys_sendmsg+0xee/0x170 [15812.653924][ T7704] __sys_sendmsg+0xcd/0x170 [15812.653924][ T7704] do_syscall_64+0xc6/0x1e0 [15812.653924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15812.653924][ T7704] [15812.655590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15812.655590][ T7704] neigh_parms_alloc+0x1e5/0x510 [15812.655590][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15812.655590][ T7704] ipv6_find_idev+0x102/0x170 [15812.655590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15812.655590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15812.655590][ T7704] netlink_rcv_skb+0x130/0x360 [15812.655590][ T7704] netlink_unicast+0x449/0x710 [15812.655590][ T7704] netlink_sendmsg+0x723/0xbe0 [15812.655590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15812.655590][ T7704] ___sys_sendmsg+0xee/0x170 [15812.655590][ T7704] __sys_sendmsg+0xcd/0x170 [15812.655590][ T7704] do_syscall_64+0xc6/0x1e0 [15812.655590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15812.655590][ T7704] [15822.902959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15822.903432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15822.903432][ T7704] netdev_get_by_index+0x5e/0x80 [15822.903432][ T7704] fib6_nh_init+0x3d8/0x15b0 [15822.903432][ T7704] ip6_route_info_create+0xf18/0x17d0 [15822.903432][ T7704] ip6_route_add+0x1c/0x140 [15822.903432][ T7704] addrconf_prefix_route+0x2a6/0x430 [15822.903432][ T7704] inet6_addr_add+0x4f8/0xa40 [15822.903432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15822.903432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15822.903432][ T7704] netlink_rcv_skb+0x130/0x360 [15822.903432][ T7704] netlink_unicast+0x449/0x710 [15822.903432][ T7704] netlink_sendmsg+0x723/0xbe0 [15822.903432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15822.903432][ T7704] ___sys_sendmsg+0xee/0x170 [15822.903432][ T7704] __sys_sendmsg+0xcd/0x170 [15822.903432][ T7704] do_syscall_64+0xc6/0x1e0 [15822.903432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15822.903432][ T7704] [15822.906211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15822.906211][ T7704] netdev_get_by_index+0x5e/0x80 [15822.906211][ T7704] fib6_nh_init+0x3d8/0x15b0 [15822.906211][ T7704] ip6_route_info_create+0xf18/0x17d0 [15822.906211][ T7704] addrconf_f6i_alloc+0x315/0x560 [15822.906211][ T7704] ipv6_add_addr+0x411/0x2000 [15822.906211][ T7704] inet6_addr_add+0x30e/0xa40 [15822.906211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15822.906211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15822.906211][ T7704] netlink_rcv_skb+0x130/0x360 [15822.906211][ T7704] netlink_unicast+0x449/0x710 [15822.906211][ T7704] netlink_sendmsg+0x723/0xbe0 [15822.906211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15822.906211][ T7704] ___sys_sendmsg+0xee/0x170 [15822.906211][ T7704] __sys_sendmsg+0xcd/0x170 [15822.906211][ T7704] do_syscall_64+0xc6/0x1e0 [15822.906211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15822.906211][ T7704] [15822.924672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15822.924672][ T7704] netdev_get_by_index+0x5e/0x80 [15822.924672][ T7704] fib6_nh_init+0x3d8/0x15b0 [15822.924672][ T7704] ip6_route_info_create+0xf18/0x17d0 [15822.924672][ T7704] ip6_route_add+0x1c/0x140 [15822.924672][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15822.924672][ T7704] addrconf_add_dev+0xe2/0x170 [15822.924672][ T7704] inet6_addr_add+0x12f/0xa40 [15822.924672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15822.924672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15822.924672][ T7704] netlink_rcv_skb+0x130/0x360 [15822.924672][ T7704] netlink_unicast+0x449/0x710 [15822.924672][ T7704] netlink_sendmsg+0x723/0xbe0 [15822.924672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15822.924672][ T7704] ___sys_sendmsg+0xee/0x170 [15822.924672][ T7704] __sys_sendmsg+0xcd/0x170 [15822.924672][ T7704] do_syscall_64+0xc6/0x1e0 [15822.924672][ T7704] [15822.926894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15822.926894][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15822.926894][ T7704] ipv6_find_idev+0x102/0x170 [15822.926894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15822.926894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15822.926894][ T7704] netlink_rcv_skb+0x130/0x360 [15822.926894][ T7704] netlink_unicast+0x449/0x710 [15822.926894][ T7704] netlink_sendmsg+0x723/0xbe0 [15822.926894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15822.926894][ T7704] ___sys_sendmsg+0xee/0x170 [15822.926894][ T7704] __sys_sendmsg+0xcd/0x170 [15822.926894][ T7704] do_syscall_64+0xc6/0x1e0 [15822.926894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15822.926894][ T7704] [15822.928597][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15822.928597][ T7704] neigh_parms_alloc+0x1e5/0x510 [15822.928597][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15822.928597][ T7704] ipv6_find_idev+0x102/0x170 [15822.928597][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15822.928597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15822.928597][ T7704] netlink_rcv_skb+0x130/0x360 [15822.928597][ T7704] netlink_unicast+0x449/0x710 [15822.928597][ T7704] netlink_sendmsg+0x723/0xbe0 [15822.928597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15822.928597][ T7704] ___sys_sendmsg+0xee/0x170 [15822.928597][ T7704] __sys_sendmsg+0xcd/0x170 [15822.928597][ T7704] do_syscall_64+0xc6/0x1e0 [15822.928597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15822.928597][ T7704] [15833.182975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15833.183472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15833.183472][ T7704] netdev_get_by_index+0x5e/0x80 [15833.183472][ T7704] fib6_nh_init+0x3d8/0x15b0 [15833.183472][ T7704] ip6_route_info_create+0xf18/0x17d0 [15833.183472][ T7704] ip6_route_add+0x1c/0x140 [15833.183472][ T7704] addrconf_prefix_route+0x2a6/0x430 [15833.183472][ T7704] inet6_addr_add+0x4f8/0xa40 [15833.183472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15833.183472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15833.183472][ T7704] netlink_rcv_skb+0x130/0x360 [15833.183472][ T7704] netlink_unicast+0x449/0x710 [15833.183472][ T7704] netlink_sendmsg+0x723/0xbe0 [15833.183472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15833.183472][ T7704] ___sys_sendmsg+0xee/0x170 [15833.183472][ T7704] __sys_sendmsg+0xcd/0x170 [15833.183472][ T7704] do_syscall_64+0xc6/0x1e0 [15833.183472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15833.183472][ T7704] [15833.185707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15833.185707][ T7704] netdev_get_by_index+0x5e/0x80 [15833.185707][ T7704] fib6_nh_init+0x3d8/0x15b0 [15833.185707][ T7704] ip6_route_info_create+0xf18/0x17d0 [15833.185707][ T7704] addrconf_f6i_alloc+0x315/0x560 [15833.185707][ T7704] ipv6_add_addr+0x411/0x2000 [15833.185707][ T7704] inet6_addr_add+0x30e/0xa40 [15833.185707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15833.185707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15833.185707][ T7704] netlink_rcv_skb+0x130/0x360 [15833.185707][ T7704] netlink_unicast+0x449/0x710 [15833.185707][ T7704] netlink_sendmsg+0x723/0xbe0 [15833.185707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15833.185707][ T7704] ___sys_sendmsg+0xee/0x170 [15833.185707][ T7704] __sys_sendmsg+0xcd/0x170 [15833.185707][ T7704] do_syscall_64+0xc6/0x1e0 [15833.185707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15833.185707][ T7704] [15833.187956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15833.187956][ T7704] netdev_get_by_index+0x5e/0x80 [15833.187956][ T7704] fib6_nh_init+0x3d8/0x15b0 [15833.187956][ T7704] ip6_route_info_create+0xf18/0x17d0 [15833.187956][ T7704] ip6_route_add+0x1c/0x140 [15833.187956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15833.187956][ T7704] addrconf_add_dev+0xe2/0x170 [15833.187956][ T7704] inet6_addr_add+0x12f/0xa40 [15833.187956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15833.187956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15833.187956][ T7704] netlink_rcv_skb+0x130/0x360 [15833.187956][ T7704] netlink_unicast+0x449/0x710 [15833.187956][ T7704] netlink_sendmsg+0x723/0xbe0 [15833.187956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15833.187956][ T7704] ___sys_sendmsg+0xee/0x170 [15833.187956][ T7704] __sys_sendmsg+0xcd/0x170 [15833.187956][ T7704] do_syscall_64+0xc6/0x1e0 [15833.187956][ T7704] [15833.190143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15833.190143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15833.190143][ T7704] ipv6_find_idev+0x102/0x170 [15833.190143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15833.190143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15833.190143][ T7704] netlink_rcv_skb+0x130/0x360 [15833.190143][ T7704] netlink_unicast+0x449/0x710 [15833.190143][ T7704] netlink_sendmsg+0x723/0xbe0 [15833.190143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15833.190143][ T7704] ___sys_sendmsg+0xee/0x170 [15833.190143][ T7704] __sys_sendmsg+0xcd/0x170 [15833.190143][ T7704] do_syscall_64+0xc6/0x1e0 [15833.190143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15833.190143][ T7704] [15833.191853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15833.191853][ T7704] neigh_parms_alloc+0x1e5/0x510 [15833.191853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15833.191853][ T7704] ipv6_find_idev+0x102/0x170 [15833.191853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15833.191853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15833.191853][ T7704] netlink_rcv_skb+0x130/0x360 [15833.191853][ T7704] netlink_unicast+0x449/0x710 [15833.191853][ T7704] netlink_sendmsg+0x723/0xbe0 [15833.191853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15833.191853][ T7704] ___sys_sendmsg+0xee/0x170 [15833.191853][ T7704] __sys_sendmsg+0xcd/0x170 [15833.191853][ T7704] do_syscall_64+0xc6/0x1e0 [15833.191853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15833.191853][ T7704] [15843.438935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15843.439418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15843.439418][ T7704] netdev_get_by_index+0x5e/0x80 [15843.439418][ T7704] fib6_nh_init+0x3d8/0x15b0 [15843.439418][ T7704] ip6_route_info_create+0xf18/0x17d0 [15843.439418][ T7704] ip6_route_add+0x1c/0x140 [15843.439418][ T7704] addrconf_prefix_route+0x2a6/0x430 [15843.439418][ T7704] inet6_addr_add+0x4f8/0xa40 [15843.439418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15843.439418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15843.439418][ T7704] netlink_rcv_skb+0x130/0x360 [15843.439418][ T7704] netlink_unicast+0x449/0x710 [15843.439418][ T7704] netlink_sendmsg+0x723/0xbe0 [15843.439418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15843.439418][ T7704] ___sys_sendmsg+0xee/0x170 [15843.439418][ T7704] __sys_sendmsg+0xcd/0x170 [15843.439418][ T7704] do_syscall_64+0xc6/0x1e0 [15843.439418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15843.439418][ T7704] [15843.441667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15843.441667][ T7704] netdev_get_by_index+0x5e/0x80 [15843.441667][ T7704] fib6_nh_init+0x3d8/0x15b0 [15843.441667][ T7704] ip6_route_info_create+0xf18/0x17d0 [15843.441667][ T7704] addrconf_f6i_alloc+0x315/0x560 [15843.441667][ T7704] ipv6_add_addr+0x411/0x2000 [15843.441667][ T7704] inet6_addr_add+0x30e/0xa40 [15843.441667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15843.441667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15843.441667][ T7704] netlink_rcv_skb+0x130/0x360 [15843.441667][ T7704] netlink_unicast+0x449/0x710 [15843.441667][ T7704] netlink_sendmsg+0x723/0xbe0 [15843.441667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15843.441667][ T7704] ___sys_sendmsg+0xee/0x170 [15843.441667][ T7704] __sys_sendmsg+0xcd/0x170 [15843.441667][ T7704] do_syscall_64+0xc6/0x1e0 [15843.441667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15843.441667][ T7704] [15843.443854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15843.443854][ T7704] netdev_get_by_index+0x5e/0x80 [15843.443854][ T7704] fib6_nh_init+0x3d8/0x15b0 [15843.443854][ T7704] ip6_route_info_create+0xf18/0x17d0 [15843.443854][ T7704] ip6_route_add+0x1c/0x140 [15843.443854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15843.443854][ T7704] addrconf_add_dev+0xe2/0x170 [15843.443854][ T7704] inet6_addr_add+0x12f/0xa40 [15843.443854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15843.443854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15843.443854][ T7704] netlink_rcv_skb+0x130/0x360 [15843.443854][ T7704] netlink_unicast+0x449/0x710 [15843.443854][ T7704] netlink_sendmsg+0x723/0xbe0 [15843.443854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15843.443854][ T7704] ___sys_sendmsg+0xee/0x170 [15843.443854][ T7704] __sys_sendmsg+0xcd/0x170 [15843.443854][ T7704] do_syscall_64+0xc6/0x1e0 [15843.443854][ T7704] [15843.446007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15843.446007][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15843.446007][ T7704] ipv6_find_idev+0x102/0x170 [15843.446007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15843.446007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15843.446007][ T7704] netlink_rcv_skb+0x130/0x360 [15843.446007][ T7704] netlink_unicast+0x449/0x710 [15843.446007][ T7704] netlink_sendmsg+0x723/0xbe0 [15843.446007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15843.446007][ T7704] ___sys_sendmsg+0xee/0x170 [15843.446007][ T7704] __sys_sendmsg+0xcd/0x170 [15843.446007][ T7704] do_syscall_64+0xc6/0x1e0 [15843.446007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15843.446007][ T7704] [15843.447713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15843.447713][ T7704] neigh_parms_alloc+0x1e5/0x510 [15843.447713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15843.447713][ T7704] ipv6_find_idev+0x102/0x170 [15843.447713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15843.447713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15843.447713][ T7704] netlink_rcv_skb+0x130/0x360 [15843.447713][ T7704] netlink_unicast+0x449/0x710 [15843.447713][ T7704] netlink_sendmsg+0x723/0xbe0 [15843.447713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15843.447713][ T7704] ___sys_sendmsg+0xee/0x170 [15843.447713][ T7704] __sys_sendmsg+0xcd/0x170 [15843.447713][ T7704] do_syscall_64+0xc6/0x1e0 [15843.447713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15843.447713][ T7704] [15853.694950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15853.695460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15853.695460][ T7704] netdev_get_by_index+0x5e/0x80 [15853.695460][ T7704] fib6_nh_init+0x3d8/0x15b0 [15853.695460][ T7704] ip6_route_info_create+0xf18/0x17d0 [15853.695460][ T7704] ip6_route_add+0x1c/0x140 [15853.695460][ T7704] addrconf_prefix_route+0x2a6/0x430 [15853.695460][ T7704] inet6_addr_add+0x4f8/0xa40 [15853.695460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15853.695460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15853.695460][ T7704] netlink_rcv_skb+0x130/0x360 [15853.695460][ T7704] netlink_unicast+0x449/0x710 [15853.695460][ T7704] netlink_sendmsg+0x723/0xbe0 [15853.695460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15853.695460][ T7704] ___sys_sendmsg+0xee/0x170 [15853.695460][ T7704] __sys_sendmsg+0xcd/0x170 [15853.695460][ T7704] do_syscall_64+0xc6/0x1e0 [15853.695460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15853.695460][ T7704] [15853.698239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15853.698239][ T7704] netdev_get_by_index+0x5e/0x80 [15853.698239][ T7704] fib6_nh_init+0x3d8/0x15b0 [15853.698239][ T7704] ip6_route_info_create+0xf18/0x17d0 [15853.698239][ T7704] addrconf_f6i_alloc+0x315/0x560 [15853.698239][ T7704] ipv6_add_addr+0x411/0x2000 [15853.698239][ T7704] inet6_addr_add+0x30e/0xa40 [15853.698239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15853.698239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15853.698239][ T7704] netlink_rcv_skb+0x130/0x360 [15853.698239][ T7704] netlink_unicast+0x449/0x710 [15853.698239][ T7704] netlink_sendmsg+0x723/0xbe0 [15853.698239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15853.698239][ T7704] ___sys_sendmsg+0xee/0x170 [15853.698239][ T7704] __sys_sendmsg+0xcd/0x170 [15853.698239][ T7704] do_syscall_64+0xc6/0x1e0 [15853.698239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15853.698239][ T7704] [15853.700965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15853.700965][ T7704] netdev_get_by_index+0x5e/0x80 [15853.700965][ T7704] fib6_nh_init+0x3d8/0x15b0 [15853.700965][ T7704] ip6_route_info_create+0xf18/0x17d0 [15853.700965][ T7704] ip6_route_add+0x1c/0x140 [15853.700965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15853.700965][ T7704] addrconf_add_dev+0xe2/0x170 [15853.700965][ T7704] inet6_addr_add+0x12f/0xa40 [15853.700965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15853.700965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15853.700965][ T7704] netlink_rcv_skb+0x130/0x360 [15853.700965][ T7704] netlink_unicast+0x449/0x710 [15853.700965][ T7704] netlink_sendmsg+0x723/0xbe0 [15853.700965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15853.700965][ T7704] ___sys_sendmsg+0xee/0x170 [15853.700965][ T7704] __sys_sendmsg+0xcd/0x170 [15853.700965][ T7704] do_syscall_64+0xc6/0x1e0 [15853.700965][ T7704] [15853.703646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15853.703646][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15853.703646][ T7704] ipv6_find_idev+0x102/0x170 [15853.703646][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15853.703646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15853.703646][ T7704] netlink_rcv_skb+0x130/0x360 [15853.703646][ T7704] netlink_unicast+0x449/0x710 [15853.703646][ T7704] netlink_sendmsg+0x723/0xbe0 [15853.703646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15853.703646][ T7704] ___sys_sendmsg+0xee/0x170 [15853.703646][ T7704] __sys_sendmsg+0xcd/0x170 [15853.703646][ T7704] do_syscall_64+0xc6/0x1e0 [15853.703646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15853.703646][ T7704] [15853.705749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15853.705749][ T7704] neigh_parms_alloc+0x1e5/0x510 [15853.705749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15853.705749][ T7704] ipv6_find_idev+0x102/0x170 [15853.705749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15853.705749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15853.705749][ T7704] netlink_rcv_skb+0x130/0x360 [15853.705749][ T7704] netlink_unicast+0x449/0x710 [15853.705749][ T7704] netlink_sendmsg+0x723/0xbe0 [15853.705749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15853.705749][ T7704] ___sys_sendmsg+0xee/0x170 [15853.705749][ T7704] __sys_sendmsg+0xcd/0x170 [15853.705749][ T7704] do_syscall_64+0xc6/0x1e0 [15853.705749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15853.705749][ T7704] [15863.958954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15863.959483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15863.959483][ T7704] netdev_get_by_index+0x5e/0x80 [15863.959483][ T7704] fib6_nh_init+0x3d8/0x15b0 [15863.959483][ T7704] ip6_route_info_create+0xf18/0x17d0 [15863.959483][ T7704] ip6_route_add+0x1c/0x140 [15863.959483][ T7704] addrconf_prefix_route+0x2a6/0x430 [15863.959483][ T7704] inet6_addr_add+0x4f8/0xa40 [15863.959483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15863.959483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15863.959483][ T7704] netlink_rcv_skb+0x130/0x360 [15863.959483][ T7704] netlink_unicast+0x449/0x710 [15863.959483][ T7704] netlink_sendmsg+0x723/0xbe0 [15863.959483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15863.959483][ T7704] ___sys_sendmsg+0xee/0x170 [15863.959483][ T7704] __sys_sendmsg+0xcd/0x170 [15863.959483][ T7704] do_syscall_64+0xc6/0x1e0 [15863.959483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15863.959483][ T7704] [15863.961733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15863.961733][ T7704] netdev_get_by_index+0x5e/0x80 [15863.961733][ T7704] fib6_nh_init+0x3d8/0x15b0 [15863.961733][ T7704] ip6_route_info_create+0xf18/0x17d0 [15863.961733][ T7704] addrconf_f6i_alloc+0x315/0x560 [15863.961733][ T7704] ipv6_add_addr+0x411/0x2000 [15863.961733][ T7704] inet6_addr_add+0x30e/0xa40 [15863.961733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15863.961733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15863.961733][ T7704] netlink_rcv_skb+0x130/0x360 [15863.961733][ T7704] netlink_unicast+0x449/0x710 [15863.961733][ T7704] netlink_sendmsg+0x723/0xbe0 [15863.961733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15863.961733][ T7704] ___sys_sendmsg+0xee/0x170 [15863.961733][ T7704] __sys_sendmsg+0xcd/0x170 [15863.961733][ T7704] do_syscall_64+0xc6/0x1e0 [15863.961733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15863.961733][ T7704] [15863.963943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15863.963943][ T7704] netdev_get_by_index+0x5e/0x80 [15863.963943][ T7704] fib6_nh_init+0x3d8/0x15b0 [15863.963943][ T7704] ip6_route_info_create+0xf18/0x17d0 [15863.963943][ T7704] ip6_route_add+0x1c/0x140 [15863.963943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15863.963943][ T7704] addrconf_add_dev+0xe2/0x170 [15863.963943][ T7704] inet6_addr_add+0x12f/0xa40 [15863.963943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15863.963943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15863.963943][ T7704] netlink_rcv_skb+0x130/0x360 [15863.963943][ T7704] netlink_unicast+0x449/0x710 [15863.963943][ T7704] netlink_sendmsg+0x723/0xbe0 [15863.963943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15863.963943][ T7704] ___sys_sendmsg+0xee/0x170 [15863.963943][ T7704] __sys_sendmsg+0xcd/0x170 [15863.963943][ T7704] do_syscall_64+0xc6/0x1e0 [15863.963943][ T7704] [15863.966144][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15863.966144][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15863.966144][ T7704] ipv6_find_idev+0x102/0x170 [15863.966144][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15863.966144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15863.966144][ T7704] netlink_rcv_skb+0x130/0x360 [15863.966144][ T7704] netlink_unicast+0x449/0x710 [15863.966144][ T7704] netlink_sendmsg+0x723/0xbe0 [15863.966144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15863.966144][ T7704] ___sys_sendmsg+0xee/0x170 [15863.966144][ T7704] __sys_sendmsg+0xcd/0x170 [15863.966144][ T7704] do_syscall_64+0xc6/0x1e0 [15863.966144][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15863.966144][ T7704] [15863.967847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15863.967847][ T7704] neigh_parms_alloc+0x1e5/0x510 [15863.967847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15863.967847][ T7704] ipv6_find_idev+0x102/0x170 [15863.967847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15863.967847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15863.967847][ T7704] netlink_rcv_skb+0x130/0x360 [15863.967847][ T7704] netlink_unicast+0x449/0x710 [15863.967847][ T7704] netlink_sendmsg+0x723/0xbe0 [15863.967847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15863.967847][ T7704] ___sys_sendmsg+0xee/0x170 [15863.967847][ T7704] __sys_sendmsg+0xcd/0x170 [15863.967847][ T7704] do_syscall_64+0xc6/0x1e0 [15863.967847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15863.967847][ T7704] [15874.214934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15874.215445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15874.215445][ T7704] netdev_get_by_index+0x5e/0x80 [15874.215445][ T7704] fib6_nh_init+0x3d8/0x15b0 [15874.215445][ T7704] ip6_route_info_create+0xf18/0x17d0 [15874.215445][ T7704] ip6_route_add+0x1c/0x140 [15874.215445][ T7704] addrconf_prefix_route+0x2a6/0x430 [15874.215445][ T7704] inet6_addr_add+0x4f8/0xa40 [15874.215445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15874.215445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15874.215445][ T7704] netlink_rcv_skb+0x130/0x360 [15874.215445][ T7704] netlink_unicast+0x449/0x710 [15874.215445][ T7704] netlink_sendmsg+0x723/0xbe0 [15874.215445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15874.215445][ T7704] ___sys_sendmsg+0xee/0x170 [15874.215445][ T7704] __sys_sendmsg+0xcd/0x170 [15874.215445][ T7704] do_syscall_64+0xc6/0x1e0 [15874.215445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15874.215445][ T7704] [15874.217709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15874.217709][ T7704] netdev_get_by_index+0x5e/0x80 [15874.217709][ T7704] fib6_nh_init+0x3d8/0x15b0 [15874.217709][ T7704] ip6_route_info_create+0xf18/0x17d0 [15874.217709][ T7704] addrconf_f6i_alloc+0x315/0x560 [15874.217709][ T7704] ipv6_add_addr+0x411/0x2000 [15874.217709][ T7704] inet6_addr_add+0x30e/0xa40 [15874.217709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15874.217709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15874.217709][ T7704] netlink_rcv_skb+0x130/0x360 [15874.217709][ T7704] netlink_unicast+0x449/0x710 [15874.217709][ T7704] netlink_sendmsg+0x723/0xbe0 [15874.217709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15874.217709][ T7704] ___sys_sendmsg+0xee/0x170 [15874.217709][ T7704] __sys_sendmsg+0xcd/0x170 [15874.217709][ T7704] do_syscall_64+0xc6/0x1e0 [15874.217709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15874.217709][ T7704] [15874.219886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15874.219886][ T7704] netdev_get_by_index+0x5e/0x80 [15874.219886][ T7704] fib6_nh_init+0x3d8/0x15b0 [15874.219886][ T7704] ip6_route_info_create+0xf18/0x17d0 [15874.219886][ T7704] ip6_route_add+0x1c/0x140 [15874.219886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15874.219886][ T7704] addrconf_add_dev+0xe2/0x170 [15874.219886][ T7704] inet6_addr_add+0x12f/0xa40 [15874.219886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15874.219886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15874.219886][ T7704] netlink_rcv_skb+0x130/0x360 [15874.219886][ T7704] netlink_unicast+0x449/0x710 [15874.219886][ T7704] netlink_sendmsg+0x723/0xbe0 [15874.219886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15874.219886][ T7704] ___sys_sendmsg+0xee/0x170 [15874.219886][ T7704] __sys_sendmsg+0xcd/0x170 [15874.219886][ T7704] do_syscall_64+0xc6/0x1e0 [15874.219886][ T7704] [15874.222019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15874.222019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15874.222019][ T7704] ipv6_find_idev+0x102/0x170 [15874.222019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15874.222019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15874.222019][ T7704] netlink_rcv_skb+0x130/0x360 [15874.222019][ T7704] netlink_unicast+0x449/0x710 [15874.222019][ T7704] netlink_sendmsg+0x723/0xbe0 [15874.222019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15874.222019][ T7704] ___sys_sendmsg+0xee/0x170 [15874.222019][ T7704] __sys_sendmsg+0xcd/0x170 [15874.222019][ T7704] do_syscall_64+0xc6/0x1e0 [15874.222019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15874.222019][ T7704] [15874.223717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15874.223717][ T7704] neigh_parms_alloc+0x1e5/0x510 [15874.223717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15874.223717][ T7704] ipv6_find_idev+0x102/0x170 [15874.223717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15874.223717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15874.223717][ T7704] netlink_rcv_skb+0x130/0x360 [15874.223717][ T7704] netlink_unicast+0x449/0x710 [15874.223717][ T7704] netlink_sendmsg+0x723/0xbe0 [15874.223717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15874.223717][ T7704] ___sys_sendmsg+0xee/0x170 [15874.223717][ T7704] __sys_sendmsg+0xcd/0x170 [15874.223717][ T7704] do_syscall_64+0xc6/0x1e0 [15874.223717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15874.223717][ T7704] [15884.471015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15884.471500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15884.471500][ T7704] netdev_get_by_index+0x5e/0x80 [15884.471500][ T7704] fib6_nh_init+0x3d8/0x15b0 [15884.471500][ T7704] ip6_route_info_create+0xf18/0x17d0 [15884.471500][ T7704] ip6_route_add+0x1c/0x140 [15884.471500][ T7704] addrconf_prefix_route+0x2a6/0x430 [15884.471500][ T7704] inet6_addr_add+0x4f8/0xa40 [15884.471500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15884.471500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15884.471500][ T7704] netlink_rcv_skb+0x130/0x360 [15884.471500][ T7704] netlink_unicast+0x449/0x710 [15884.471500][ T7704] netlink_sendmsg+0x723/0xbe0 [15884.471500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15884.471500][ T7704] ___sys_sendmsg+0xee/0x170 [15884.471500][ T7704] __sys_sendmsg+0xcd/0x170 [15884.471500][ T7704] do_syscall_64+0xc6/0x1e0 [15884.471500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15884.471500][ T7704] [15884.473705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15884.473705][ T7704] netdev_get_by_index+0x5e/0x80 [15884.473705][ T7704] fib6_nh_init+0x3d8/0x15b0 [15884.473705][ T7704] ip6_route_info_create+0xf18/0x17d0 [15884.473705][ T7704] addrconf_f6i_alloc+0x315/0x560 [15884.473705][ T7704] ipv6_add_addr+0x411/0x2000 [15884.473705][ T7704] inet6_addr_add+0x30e/0xa40 [15884.473705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15884.473705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15884.473705][ T7704] netlink_rcv_skb+0x130/0x360 [15884.473705][ T7704] netlink_unicast+0x449/0x710 [15884.473705][ T7704] netlink_sendmsg+0x723/0xbe0 [15884.473705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15884.473705][ T7704] ___sys_sendmsg+0xee/0x170 [15884.473705][ T7704] __sys_sendmsg+0xcd/0x170 [15884.473705][ T7704] do_syscall_64+0xc6/0x1e0 [15884.473705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15884.473705][ T7704] [15884.476015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15884.476015][ T7704] netdev_get_by_index+0x5e/0x80 [15884.476015][ T7704] fib6_nh_init+0x3d8/0x15b0 [15884.476015][ T7704] ip6_route_info_create+0xf18/0x17d0 [15884.476015][ T7704] ip6_route_add+0x1c/0x140 [15884.476015][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15884.476015][ T7704] addrconf_add_dev+0xe2/0x170 [15884.476015][ T7704] inet6_addr_add+0x12f/0xa40 [15884.476015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15884.476015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15884.476015][ T7704] netlink_rcv_skb+0x130/0x360 [15884.476015][ T7704] netlink_unicast+0x449/0x710 [15884.476015][ T7704] netlink_sendmsg+0x723/0xbe0 [15884.476015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15884.476015][ T7704] ___sys_sendmsg+0xee/0x170 [15884.476015][ T7704] __sys_sendmsg+0xcd/0x170 [15884.476015][ T7704] do_syscall_64+0xc6/0x1e0 [15884.476015][ T7704] [15884.478199][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15884.478199][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15884.478199][ T7704] ipv6_find_idev+0x102/0x170 [15884.478199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15884.478199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15884.478199][ T7704] netlink_rcv_skb+0x130/0x360 [15884.478199][ T7704] netlink_unicast+0x449/0x710 [15884.478199][ T7704] netlink_sendmsg+0x723/0xbe0 [15884.478199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15884.478199][ T7704] ___sys_sendmsg+0xee/0x170 [15884.478199][ T7704] __sys_sendmsg+0xcd/0x170 [15884.478199][ T7704] do_syscall_64+0xc6/0x1e0 [15884.478199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15884.478199][ T7704] [15884.479920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15884.479920][ T7704] neigh_parms_alloc+0x1e5/0x510 [15884.479920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15884.479920][ T7704] ipv6_find_idev+0x102/0x170 [15884.479920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15884.479920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15884.479920][ T7704] netlink_rcv_skb+0x130/0x360 [15884.479920][ T7704] netlink_unicast+0x449/0x710 [15884.479920][ T7704] netlink_sendmsg+0x723/0xbe0 [15884.479920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15884.479920][ T7704] ___sys_sendmsg+0xee/0x170 [15884.479920][ T7704] __sys_sendmsg+0xcd/0x170 [15884.479920][ T7704] do_syscall_64+0xc6/0x1e0 [15884.479920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15884.479920][ T7704] [15894.726967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15894.727372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15894.727372][ T7704] netdev_get_by_index+0x5e/0x80 [15894.727372][ T7704] fib6_nh_init+0x3d8/0x15b0 [15894.727372][ T7704] ip6_route_info_create+0xf18/0x17d0 [15894.727372][ T7704] ip6_route_add+0x1c/0x140 [15894.727372][ T7704] addrconf_prefix_route+0x2a6/0x430 [15894.727372][ T7704] inet6_addr_add+0x4f8/0xa40 [15894.727372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15894.727372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15894.727372][ T7704] netlink_rcv_skb+0x130/0x360 [15894.727372][ T7704] netlink_unicast+0x449/0x710 [15894.727372][ T7704] netlink_sendmsg+0x723/0xbe0 [15894.727372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15894.727372][ T7704] ___sys_sendmsg+0xee/0x170 [15894.727372][ T7704] __sys_sendmsg+0xcd/0x170 [15894.727372][ T7704] do_syscall_64+0xc6/0x1e0 [15894.727372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15894.727372][ T7704] [15894.729639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15894.729639][ T7704] netdev_get_by_index+0x5e/0x80 [15894.729639][ T7704] fib6_nh_init+0x3d8/0x15b0 [15894.729639][ T7704] ip6_route_info_create+0xf18/0x17d0 [15894.729639][ T7704] addrconf_f6i_alloc+0x315/0x560 [15894.729639][ T7704] ipv6_add_addr+0x411/0x2000 [15894.729639][ T7704] inet6_addr_add+0x30e/0xa40 [15894.729639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15894.729639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15894.729639][ T7704] netlink_rcv_skb+0x130/0x360 [15894.729639][ T7704] netlink_unicast+0x449/0x710 [15894.729639][ T7704] netlink_sendmsg+0x723/0xbe0 [15894.729639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15894.729639][ T7704] ___sys_sendmsg+0xee/0x170 [15894.729639][ T7704] __sys_sendmsg+0xcd/0x170 [15894.729639][ T7704] do_syscall_64+0xc6/0x1e0 [15894.729639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15894.729639][ T7704] [15894.731868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15894.731868][ T7704] netdev_get_by_index+0x5e/0x80 [15894.731868][ T7704] fib6_nh_init+0x3d8/0x15b0 [15894.731868][ T7704] ip6_route_info_create+0xf18/0x17d0 [15894.731868][ T7704] ip6_route_add+0x1c/0x140 [15894.731868][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15894.731868][ T7704] addrconf_add_dev+0xe2/0x170 [15894.731868][ T7704] inet6_addr_add+0x12f/0xa40 [15894.731868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15894.731868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15894.731868][ T7704] netlink_rcv_skb+0x130/0x360 [15894.731868][ T7704] netlink_unicast+0x449/0x710 [15894.731868][ T7704] netlink_sendmsg+0x723/0xbe0 [15894.731868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15894.731868][ T7704] ___sys_sendmsg+0xee/0x170 [15894.731868][ T7704] __sys_sendmsg+0xcd/0x170 [15894.731868][ T7704] do_syscall_64+0xc6/0x1e0 [15894.731868][ T7704] [15894.734037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15894.734037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15894.734037][ T7704] ipv6_find_idev+0x102/0x170 [15894.734037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15894.734037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15894.734037][ T7704] netlink_rcv_skb+0x130/0x360 [15894.734037][ T7704] netlink_unicast+0x449/0x710 [15894.734037][ T7704] netlink_sendmsg+0x723/0xbe0 [15894.734037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15894.734037][ T7704] ___sys_sendmsg+0xee/0x170 [15894.734037][ T7704] __sys_sendmsg+0xcd/0x170 [15894.734037][ T7704] do_syscall_64+0xc6/0x1e0 [15894.734037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15894.734037][ T7704] [15894.735752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15894.735752][ T7704] neigh_parms_alloc+0x1e5/0x510 [15894.735752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15894.735752][ T7704] ipv6_find_idev+0x102/0x170 [15894.735752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15894.735752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15894.735752][ T7704] netlink_rcv_skb+0x130/0x360 [15894.735752][ T7704] netlink_unicast+0x449/0x710 [15894.735752][ T7704] netlink_sendmsg+0x723/0xbe0 [15894.735752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15894.735752][ T7704] ___sys_sendmsg+0xee/0x170 [15894.735752][ T7704] __sys_sendmsg+0xcd/0x170 [15894.735752][ T7704] do_syscall_64+0xc6/0x1e0 [15894.735752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15894.735752][ T7704] [15904.982936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15904.983351][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15904.983351][ T7704] netdev_get_by_index+0x5e/0x80 [15904.983351][ T7704] fib6_nh_init+0x3d8/0x15b0 [15904.983351][ T7704] ip6_route_info_create+0xf18/0x17d0 [15904.983351][ T7704] ip6_route_add+0x1c/0x140 [15904.983351][ T7704] addrconf_prefix_route+0x2a6/0x430 [15904.983351][ T7704] inet6_addr_add+0x4f8/0xa40 [15904.983351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15904.983351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15904.983351][ T7704] netlink_rcv_skb+0x130/0x360 [15904.983351][ T7704] netlink_unicast+0x449/0x710 [15904.983351][ T7704] netlink_sendmsg+0x723/0xbe0 [15904.983351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15904.983351][ T7704] ___sys_sendmsg+0xee/0x170 [15904.983351][ T7704] __sys_sendmsg+0xcd/0x170 [15904.983351][ T7704] do_syscall_64+0xc6/0x1e0 [15904.983351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15904.983351][ T7704] [15904.985589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15904.985589][ T7704] netdev_get_by_index+0x5e/0x80 [15904.985589][ T7704] fib6_nh_init+0x3d8/0x15b0 [15904.985589][ T7704] ip6_route_info_create+0xf18/0x17d0 [15904.985589][ T7704] addrconf_f6i_alloc+0x315/0x560 [15904.985589][ T7704] ipv6_add_addr+0x411/0x2000 [15904.985589][ T7704] inet6_addr_add+0x30e/0xa40 [15904.985589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15904.985589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15904.985589][ T7704] netlink_rcv_skb+0x130/0x360 [15904.985589][ T7704] netlink_unicast+0x449/0x710 [15904.985589][ T7704] netlink_sendmsg+0x723/0xbe0 [15904.985589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15904.985589][ T7704] ___sys_sendmsg+0xee/0x170 [15904.985589][ T7704] __sys_sendmsg+0xcd/0x170 [15904.985589][ T7704] do_syscall_64+0xc6/0x1e0 [15904.985589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15904.985589][ T7704] [15904.987805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15904.987805][ T7704] netdev_get_by_index+0x5e/0x80 [15904.987805][ T7704] fib6_nh_init+0x3d8/0x15b0 [15904.987805][ T7704] ip6_route_info_create+0xf18/0x17d0 [15904.987805][ T7704] ip6_route_add+0x1c/0x140 [15904.987805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15904.987805][ T7704] addrconf_add_dev+0xe2/0x170 [15904.987805][ T7704] inet6_addr_add+0x12f/0xa40 [15904.987805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15904.987805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15904.987805][ T7704] netlink_rcv_skb+0x130/0x360 [15904.987805][ T7704] netlink_unicast+0x449/0x710 [15904.987805][ T7704] netlink_sendmsg+0x723/0xbe0 [15904.987805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15904.987805][ T7704] ___sys_sendmsg+0xee/0x170 [15904.987805][ T7704] __sys_sendmsg+0xcd/0x170 [15904.987805][ T7704] do_syscall_64+0xc6/0x1e0 [15904.987805][ T7704] [15904.989993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15904.989993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15904.989993][ T7704] ipv6_find_idev+0x102/0x170 [15904.989993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15904.989993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15904.989993][ T7704] netlink_rcv_skb+0x130/0x360 [15904.989993][ T7704] netlink_unicast+0x449/0x710 [15904.989993][ T7704] netlink_sendmsg+0x723/0xbe0 [15904.989993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15904.989993][ T7704] ___sys_sendmsg+0xee/0x170 [15904.989993][ T7704] __sys_sendmsg+0xcd/0x170 [15904.989993][ T7704] do_syscall_64+0xc6/0x1e0 [15904.989993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15904.989993][ T7704] [15904.991698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15904.991698][ T7704] neigh_parms_alloc+0x1e5/0x510 [15904.991698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15904.991698][ T7704] ipv6_find_idev+0x102/0x170 [15904.991698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15904.991698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15904.991698][ T7704] netlink_rcv_skb+0x130/0x360 [15904.991698][ T7704] netlink_unicast+0x449/0x710 [15904.991698][ T7704] netlink_sendmsg+0x723/0xbe0 [15904.991698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15904.991698][ T7704] ___sys_sendmsg+0xee/0x170 [15904.991698][ T7704] __sys_sendmsg+0xcd/0x170 [15904.991698][ T7704] do_syscall_64+0xc6/0x1e0 [15904.991698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15904.991698][ T7704] [15915.238955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15915.239384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15915.239384][ T7704] netdev_get_by_index+0x5e/0x80 [15915.239384][ T7704] fib6_nh_init+0x3d8/0x15b0 [15915.239384][ T7704] ip6_route_info_create+0xf18/0x17d0 [15915.239384][ T7704] ip6_route_add+0x1c/0x140 [15915.239384][ T7704] addrconf_prefix_route+0x2a6/0x430 [15915.239384][ T7704] inet6_addr_add+0x4f8/0xa40 [15915.239384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15915.239384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15915.239384][ T7704] netlink_rcv_skb+0x130/0x360 [15915.239384][ T7704] netlink_unicast+0x449/0x710 [15915.239384][ T7704] netlink_sendmsg+0x723/0xbe0 [15915.239384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15915.239384][ T7704] ___sys_sendmsg+0xee/0x170 [15915.239384][ T7704] __sys_sendmsg+0xcd/0x170 [15915.239384][ T7704] do_syscall_64+0xc6/0x1e0 [15915.239384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15915.239384][ T7704] [15915.241621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15915.241621][ T7704] netdev_get_by_index+0x5e/0x80 [15915.241621][ T7704] fib6_nh_init+0x3d8/0x15b0 [15915.241621][ T7704] ip6_route_info_create+0xf18/0x17d0 [15915.241621][ T7704] addrconf_f6i_alloc+0x315/0x560 [15915.241621][ T7704] ipv6_add_addr+0x411/0x2000 [15915.241621][ T7704] inet6_addr_add+0x30e/0xa40 [15915.241621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15915.241621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15915.241621][ T7704] netlink_rcv_skb+0x130/0x360 [15915.241621][ T7704] netlink_unicast+0x449/0x710 [15915.241621][ T7704] netlink_sendmsg+0x723/0xbe0 [15915.241621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15915.241621][ T7704] ___sys_sendmsg+0xee/0x170 [15915.241621][ T7704] __sys_sendmsg+0xcd/0x170 [15915.241621][ T7704] do_syscall_64+0xc6/0x1e0 [15915.241621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15915.241621][ T7704] [15915.243830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15915.243830][ T7704] netdev_get_by_index+0x5e/0x80 [15915.243830][ T7704] fib6_nh_init+0x3d8/0x15b0 [15915.243830][ T7704] ip6_route_info_create+0xf18/0x17d0 [15915.243830][ T7704] ip6_route_add+0x1c/0x140 [15915.243830][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15915.243830][ T7704] addrconf_add_dev+0xe2/0x170 [15915.243830][ T7704] inet6_addr_add+0x12f/0xa40 [15915.243830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15915.243830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15915.243830][ T7704] netlink_rcv_skb+0x130/0x360 [15915.243830][ T7704] netlink_unicast+0x449/0x710 [15915.243830][ T7704] netlink_sendmsg+0x723/0xbe0 [15915.243830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15915.243830][ T7704] ___sys_sendmsg+0xee/0x170 [15915.243830][ T7704] __sys_sendmsg+0xcd/0x170 [15915.243830][ T7704] do_syscall_64+0xc6/0x1e0 [15915.243830][ T7704] [15915.246049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15915.246049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15915.246049][ T7704] ipv6_find_idev+0x102/0x170 [15915.246049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15915.246049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15915.246049][ T7704] netlink_rcv_skb+0x130/0x360 [15915.246049][ T7704] netlink_unicast+0x449/0x710 [15915.246049][ T7704] netlink_sendmsg+0x723/0xbe0 [15915.246049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15915.246049][ T7704] ___sys_sendmsg+0xee/0x170 [15915.246049][ T7704] __sys_sendmsg+0xcd/0x170 [15915.246049][ T7704] do_syscall_64+0xc6/0x1e0 [15915.246049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15915.246049][ T7704] [15915.247750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15915.247750][ T7704] neigh_parms_alloc+0x1e5/0x510 [15915.247750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15915.247750][ T7704] ipv6_find_idev+0x102/0x170 [15915.247750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15915.247750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15915.247750][ T7704] netlink_rcv_skb+0x130/0x360 [15915.247750][ T7704] netlink_unicast+0x449/0x710 [15915.247750][ T7704] netlink_sendmsg+0x723/0xbe0 [15915.247750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15915.247750][ T7704] ___sys_sendmsg+0xee/0x170 [15915.247750][ T7704] __sys_sendmsg+0xcd/0x170 [15915.247750][ T7704] do_syscall_64+0xc6/0x1e0 [15915.247750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15915.247750][ T7704] [15925.494942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15925.495461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15925.495461][ T7704] netdev_get_by_index+0x5e/0x80 [15925.495461][ T7704] fib6_nh_init+0x3d8/0x15b0 [15925.495461][ T7704] ip6_route_info_create+0xf18/0x17d0 [15925.495461][ T7704] ip6_route_add+0x1c/0x140 [15925.495461][ T7704] addrconf_prefix_route+0x2a6/0x430 [15925.495461][ T7704] inet6_addr_add+0x4f8/0xa40 [15925.495461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15925.495461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15925.495461][ T7704] netlink_rcv_skb+0x130/0x360 [15925.495461][ T7704] netlink_unicast+0x449/0x710 [15925.495461][ T7704] netlink_sendmsg+0x723/0xbe0 [15925.495461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15925.495461][ T7704] ___sys_sendmsg+0xee/0x170 [15925.495461][ T7704] __sys_sendmsg+0xcd/0x170 [15925.495461][ T7704] do_syscall_64+0xc6/0x1e0 [15925.495461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15925.495461][ T7704] [15925.497739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15925.497739][ T7704] netdev_get_by_index+0x5e/0x80 [15925.497739][ T7704] fib6_nh_init+0x3d8/0x15b0 [15925.497739][ T7704] ip6_route_info_create+0xf18/0x17d0 [15925.497739][ T7704] addrconf_f6i_alloc+0x315/0x560 [15925.497739][ T7704] ipv6_add_addr+0x411/0x2000 [15925.497739][ T7704] inet6_addr_add+0x30e/0xa40 [15925.497739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15925.497739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15925.497739][ T7704] netlink_rcv_skb+0x130/0x360 [15925.497739][ T7704] netlink_unicast+0x449/0x710 [15925.497739][ T7704] netlink_sendmsg+0x723/0xbe0 [15925.497739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15925.497739][ T7704] ___sys_sendmsg+0xee/0x170 [15925.497739][ T7704] __sys_sendmsg+0xcd/0x170 [15925.497739][ T7704] do_syscall_64+0xc6/0x1e0 [15925.497739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15925.497739][ T7704] [15925.500077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15925.500077][ T7704] netdev_get_by_index+0x5e/0x80 [15925.500077][ T7704] fib6_nh_init+0x3d8/0x15b0 [15925.500077][ T7704] ip6_route_info_create+0xf18/0x17d0 [15925.500077][ T7704] ip6_route_add+0x1c/0x140 [15925.500077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15925.500077][ T7704] addrconf_add_dev+0xe2/0x170 [15925.500077][ T7704] inet6_addr_add+0x12f/0xa40 [15925.500077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15925.500077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15925.500077][ T7704] netlink_rcv_skb+0x130/0x360 [15925.500077][ T7704] netlink_unicast+0x449/0x710 [15925.500077][ T7704] netlink_sendmsg+0x723/0xbe0 [15925.500077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15925.500077][ T7704] ___sys_sendmsg+0xee/0x170 [15925.500077][ T7704] __sys_sendmsg+0xcd/0x170 [15925.500077][ T7704] do_syscall_64+0xc6/0x1e0 [15925.500077][ T7704] [15925.502289][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15925.502289][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15925.502289][ T7704] ipv6_find_idev+0x102/0x170 [15925.502289][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15925.502289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15925.502289][ T7704] netlink_rcv_skb+0x130/0x360 [15925.502289][ T7704] netlink_unicast+0x449/0x710 [15925.502289][ T7704] netlink_sendmsg+0x723/0xbe0 [15925.502289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15925.502289][ T7704] ___sys_sendmsg+0xee/0x170 [15925.502289][ T7704] __sys_sendmsg+0xcd/0x170 [15925.502289][ T7704] do_syscall_64+0xc6/0x1e0 [15925.502289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15925.502289][ T7704] [15925.504019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15925.504019][ T7704] neigh_parms_alloc+0x1e5/0x510 [15925.504019][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15925.504019][ T7704] ipv6_find_idev+0x102/0x170 [15925.504019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15925.504019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15925.504019][ T7704] netlink_rcv_skb+0x130/0x360 [15925.504019][ T7704] netlink_unicast+0x449/0x710 [15925.504019][ T7704] netlink_sendmsg+0x723/0xbe0 [15925.504019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15925.504019][ T7704] ___sys_sendmsg+0xee/0x170 [15925.504019][ T7704] __sys_sendmsg+0xcd/0x170 [15925.504019][ T7704] do_syscall_64+0xc6/0x1e0 [15925.504019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15925.504019][ T7704] [15935.542887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15935.543409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15935.543409][ T7704] netdev_get_by_index+0x5e/0x80 [15935.543409][ T7704] fib6_nh_init+0x3d8/0x15b0 [15935.543409][ T7704] ip6_route_info_create+0xf18/0x17d0 [15935.543409][ T7704] ip6_route_add+0x1c/0x140 [15935.543409][ T7704] addrconf_prefix_route+0x2a6/0x430 [15935.543409][ T7704] inet6_addr_add+0x4f8/0xa40 [15935.543409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15935.543409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15935.543409][ T7704] netlink_rcv_skb+0x130/0x360 [15935.543409][ T7704] netlink_unicast+0x449/0x710 [15935.543409][ T7704] netlink_sendmsg+0x723/0xbe0 [15935.543409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15935.543409][ T7704] ___sys_sendmsg+0xee/0x170 [15935.543409][ T7704] __sys_sendmsg+0xcd/0x170 [15935.543409][ T7704] do_syscall_64+0xc6/0x1e0 [15935.543409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15935.543409][ T7704] [15935.545791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15935.545791][ T7704] netdev_get_by_index+0x5e/0x80 [15935.545791][ T7704] fib6_nh_init+0x3d8/0x15b0 [15935.545791][ T7704] ip6_route_info_create+0xf18/0x17d0 [15935.545791][ T7704] addrconf_f6i_alloc+0x315/0x560 [15935.545791][ T7704] ipv6_add_addr+0x411/0x2000 [15935.545791][ T7704] inet6_addr_add+0x30e/0xa40 [15935.545791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15935.545791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15935.545791][ T7704] netlink_rcv_skb+0x130/0x360 [15935.545791][ T7704] netlink_unicast+0x449/0x710 [15935.545791][ T7704] netlink_sendmsg+0x723/0xbe0 [15935.545791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15935.545791][ T7704] ___sys_sendmsg+0xee/0x170 [15935.545791][ T7704] __sys_sendmsg+0xcd/0x170 [15935.545791][ T7704] do_syscall_64+0xc6/0x1e0 [15935.545791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15935.545791][ T7704] [15935.548034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15935.548034][ T7704] netdev_get_by_index+0x5e/0x80 [15935.548034][ T7704] fib6_nh_init+0x3d8/0x15b0 [15935.548034][ T7704] ip6_route_info_create+0xf18/0x17d0 [15935.548034][ T7704] ip6_route_add+0x1c/0x140 [15935.548034][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15935.548034][ T7704] addrconf_add_dev+0xe2/0x170 [15935.548034][ T7704] inet6_addr_add+0x12f/0xa40 [15935.548034][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15935.548034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15935.548034][ T7704] netlink_rcv_skb+0x130/0x360 [15935.548034][ T7704] netlink_unicast+0x449/0x710 [15935.548034][ T7704] netlink_sendmsg+0x723/0xbe0 [15935.548034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15935.548034][ T7704] ___sys_sendmsg+0xee/0x170 [15935.548034][ T7704] __sys_sendmsg+0xcd/0x170 [15935.548034][ T7704] do_syscall_64+0xc6/0x1e0 [15935.548034][ T7704] [15935.550255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15935.550255][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15935.550255][ T7704] ipv6_find_idev+0x102/0x170 [15935.550255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15935.550255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15935.550255][ T7704] netlink_rcv_skb+0x130/0x360 [15935.550255][ T7704] netlink_unicast+0x449/0x710 [15935.550255][ T7704] netlink_sendmsg+0x723/0xbe0 [15935.550255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15935.550255][ T7704] ___sys_sendmsg+0xee/0x170 [15935.550255][ T7704] __sys_sendmsg+0xcd/0x170 [15935.550255][ T7704] do_syscall_64+0xc6/0x1e0 [15935.550255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15935.550255][ T7704] [15935.551980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15935.551980][ T7704] neigh_parms_alloc+0x1e5/0x510 [15935.551980][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15935.551980][ T7704] ipv6_find_idev+0x102/0x170 [15935.551980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15935.551980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15935.551980][ T7704] netlink_rcv_skb+0x130/0x360 [15935.551980][ T7704] netlink_unicast+0x449/0x710 [15935.551980][ T7704] netlink_sendmsg+0x723/0xbe0 [15935.551980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15935.551980][ T7704] ___sys_sendmsg+0xee/0x170 [15935.551980][ T7704] __sys_sendmsg+0xcd/0x170 [15935.551980][ T7704] do_syscall_64+0xc6/0x1e0 [15935.551980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15935.551980][ T7704] [15945.590917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15945.591394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15945.591394][ T7704] netdev_get_by_index+0x5e/0x80 [15945.591394][ T7704] fib6_nh_init+0x3d8/0x15b0 [15945.591394][ T7704] ip6_route_info_create+0xf18/0x17d0 [15945.591394][ T7704] ip6_route_add+0x1c/0x140 [15945.591394][ T7704] addrconf_prefix_route+0x2a6/0x430 [15945.591394][ T7704] inet6_addr_add+0x4f8/0xa40 [15945.591394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15945.591394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15945.591394][ T7704] netlink_rcv_skb+0x130/0x360 [15945.591394][ T7704] netlink_unicast+0x449/0x710 [15945.591394][ T7704] netlink_sendmsg+0x723/0xbe0 [15945.591394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15945.591394][ T7704] ___sys_sendmsg+0xee/0x170 [15945.591394][ T7704] __sys_sendmsg+0xcd/0x170 [15945.591394][ T7704] do_syscall_64+0xc6/0x1e0 [15945.591394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15945.591394][ T7704] [15945.593634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15945.593634][ T7704] netdev_get_by_index+0x5e/0x80 [15945.593634][ T7704] fib6_nh_init+0x3d8/0x15b0 [15945.593634][ T7704] ip6_route_info_create+0xf18/0x17d0 [15945.593634][ T7704] addrconf_f6i_alloc+0x315/0x560 [15945.593634][ T7704] ipv6_add_addr+0x411/0x2000 [15945.593634][ T7704] inet6_addr_add+0x30e/0xa40 [15945.593634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15945.593634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15945.593634][ T7704] netlink_rcv_skb+0x130/0x360 [15945.593634][ T7704] netlink_unicast+0x449/0x710 [15945.593634][ T7704] netlink_sendmsg+0x723/0xbe0 [15945.593634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15945.593634][ T7704] ___sys_sendmsg+0xee/0x170 [15945.593634][ T7704] __sys_sendmsg+0xcd/0x170 [15945.593634][ T7704] do_syscall_64+0xc6/0x1e0 [15945.593634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15945.593634][ T7704] [15945.595878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15945.595878][ T7704] netdev_get_by_index+0x5e/0x80 [15945.595878][ T7704] fib6_nh_init+0x3d8/0x15b0 [15945.595878][ T7704] ip6_route_info_create+0xf18/0x17d0 [15945.595878][ T7704] ip6_route_add+0x1c/0x140 [15945.595878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15945.595878][ T7704] addrconf_add_dev+0xe2/0x170 [15945.595878][ T7704] inet6_addr_add+0x12f/0xa40 [15945.595878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15945.595878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15945.595878][ T7704] netlink_rcv_skb+0x130/0x360 [15945.595878][ T7704] netlink_unicast+0x449/0x710 [15945.595878][ T7704] netlink_sendmsg+0x723/0xbe0 [15945.595878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15945.595878][ T7704] ___sys_sendmsg+0xee/0x170 [15945.595878][ T7704] __sys_sendmsg+0xcd/0x170 [15945.595878][ T7704] do_syscall_64+0xc6/0x1e0 [15945.595878][ T7704] [15945.598048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15945.598048][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15945.598048][ T7704] ipv6_find_idev+0x102/0x170 [15945.598048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15945.598048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15945.598048][ T7704] netlink_rcv_skb+0x130/0x360 [15945.598048][ T7704] netlink_unicast+0x449/0x710 [15945.598048][ T7704] netlink_sendmsg+0x723/0xbe0 [15945.598048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15945.598048][ T7704] ___sys_sendmsg+0xee/0x170 [15945.598048][ T7704] __sys_sendmsg+0xcd/0x170 [15945.598048][ T7704] do_syscall_64+0xc6/0x1e0 [15945.598048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15945.598048][ T7704] [15945.599752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15945.599752][ T7704] neigh_parms_alloc+0x1e5/0x510 [15945.599752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15945.599752][ T7704] ipv6_find_idev+0x102/0x170 [15945.599752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15945.599752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15945.599752][ T7704] netlink_rcv_skb+0x130/0x360 [15945.599752][ T7704] netlink_unicast+0x449/0x710 [15945.599752][ T7704] netlink_sendmsg+0x723/0xbe0 [15945.599752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15945.599752][ T7704] ___sys_sendmsg+0xee/0x170 [15945.599752][ T7704] __sys_sendmsg+0xcd/0x170 [15945.599752][ T7704] do_syscall_64+0xc6/0x1e0 [15945.599752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15945.599752][ T7704] [15955.686969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15955.687457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15955.687457][ T7704] netdev_get_by_index+0x5e/0x80 [15955.687457][ T7704] fib6_nh_init+0x3d8/0x15b0 [15955.687457][ T7704] ip6_route_info_create+0xf18/0x17d0 [15955.687457][ T7704] ip6_route_add+0x1c/0x140 [15955.687457][ T7704] addrconf_prefix_route+0x2a6/0x430 [15955.687457][ T7704] inet6_addr_add+0x4f8/0xa40 [15955.687457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15955.687457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15955.687457][ T7704] netlink_rcv_skb+0x130/0x360 [15955.687457][ T7704] netlink_unicast+0x449/0x710 [15955.687457][ T7704] netlink_sendmsg+0x723/0xbe0 [15955.687457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15955.687457][ T7704] ___sys_sendmsg+0xee/0x170 [15955.687457][ T7704] __sys_sendmsg+0xcd/0x170 [15955.687457][ T7704] do_syscall_64+0xc6/0x1e0 [15955.687457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15955.687457][ T7704] [15955.689685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15955.689685][ T7704] netdev_get_by_index+0x5e/0x80 [15955.689685][ T7704] fib6_nh_init+0x3d8/0x15b0 [15955.689685][ T7704] ip6_route_info_create+0xf18/0x17d0 [15955.689685][ T7704] addrconf_f6i_alloc+0x315/0x560 [15955.689685][ T7704] ipv6_add_addr+0x411/0x2000 [15955.689685][ T7704] inet6_addr_add+0x30e/0xa40 [15955.689685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15955.689685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15955.689685][ T7704] netlink_rcv_skb+0x130/0x360 [15955.689685][ T7704] netlink_unicast+0x449/0x710 [15955.689685][ T7704] netlink_sendmsg+0x723/0xbe0 [15955.689685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15955.689685][ T7704] ___sys_sendmsg+0xee/0x170 [15955.689685][ T7704] __sys_sendmsg+0xcd/0x170 [15955.689685][ T7704] do_syscall_64+0xc6/0x1e0 [15955.689685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15955.689685][ T7704] [15955.691895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15955.691895][ T7704] netdev_get_by_index+0x5e/0x80 [15955.691895][ T7704] fib6_nh_init+0x3d8/0x15b0 [15955.691895][ T7704] ip6_route_info_create+0xf18/0x17d0 [15955.691895][ T7704] ip6_route_add+0x1c/0x140 [15955.691895][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15955.691895][ T7704] addrconf_add_dev+0xe2/0x170 [15955.691895][ T7704] inet6_addr_add+0x12f/0xa40 [15955.691895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15955.691895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15955.691895][ T7704] netlink_rcv_skb+0x130/0x360 [15955.691895][ T7704] netlink_unicast+0x449/0x710 [15955.691895][ T7704] netlink_sendmsg+0x723/0xbe0 [15955.691895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15955.691895][ T7704] ___sys_sendmsg+0xee/0x170 [15955.691895][ T7704] __sys_sendmsg+0xcd/0x170 [15955.691895][ T7704] do_syscall_64+0xc6/0x1e0 [15955.691895][ T7704] [15955.694067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15955.694067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15955.694067][ T7704] ipv6_find_idev+0x102/0x170 [15955.694067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15955.694067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15955.694067][ T7704] netlink_rcv_skb+0x130/0x360 [15955.694067][ T7704] netlink_unicast+0x449/0x710 [15955.694067][ T7704] netlink_sendmsg+0x723/0xbe0 [15955.694067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15955.694067][ T7704] ___sys_sendmsg+0xee/0x170 [15955.694067][ T7704] __sys_sendmsg+0xcd/0x170 [15955.694067][ T7704] do_syscall_64+0xc6/0x1e0 [15955.694067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15955.694067][ T7704] [15955.695782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15955.695782][ T7704] neigh_parms_alloc+0x1e5/0x510 [15955.695782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15955.695782][ T7704] ipv6_find_idev+0x102/0x170 [15955.695782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15955.695782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15955.695782][ T7704] netlink_rcv_skb+0x130/0x360 [15955.695782][ T7704] netlink_unicast+0x449/0x710 [15955.695782][ T7704] netlink_sendmsg+0x723/0xbe0 [15955.695782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15955.695782][ T7704] ___sys_sendmsg+0xee/0x170 [15955.695782][ T7704] __sys_sendmsg+0xcd/0x170 [15955.695782][ T7704] do_syscall_64+0xc6/0x1e0 [15955.695782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15955.695782][ T7704] [15965.934957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15965.935446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15965.935446][ T7704] netdev_get_by_index+0x5e/0x80 [15965.935446][ T7704] fib6_nh_init+0x3d8/0x15b0 [15965.935446][ T7704] ip6_route_info_create+0xf18/0x17d0 [15965.935446][ T7704] ip6_route_add+0x1c/0x140 [15965.935446][ T7704] addrconf_prefix_route+0x2a6/0x430 [15965.935446][ T7704] inet6_addr_add+0x4f8/0xa40 [15965.935446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15965.935446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15965.935446][ T7704] netlink_rcv_skb+0x130/0x360 [15965.935446][ T7704] netlink_unicast+0x449/0x710 [15965.935446][ T7704] netlink_sendmsg+0x723/0xbe0 [15965.935446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15965.935446][ T7704] ___sys_sendmsg+0xee/0x170 [15965.935446][ T7704] __sys_sendmsg+0xcd/0x170 [15965.935446][ T7704] do_syscall_64+0xc6/0x1e0 [15965.935446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15965.935446][ T7704] [15965.937686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15965.937686][ T7704] netdev_get_by_index+0x5e/0x80 [15965.937686][ T7704] fib6_nh_init+0x3d8/0x15b0 [15965.937686][ T7704] ip6_route_info_create+0xf18/0x17d0 [15965.937686][ T7704] addrconf_f6i_alloc+0x315/0x560 [15965.937686][ T7704] ipv6_add_addr+0x411/0x2000 [15965.937686][ T7704] inet6_addr_add+0x30e/0xa40 [15965.937686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15965.937686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15965.937686][ T7704] netlink_rcv_skb+0x130/0x360 [15965.937686][ T7704] netlink_unicast+0x449/0x710 [15965.937686][ T7704] netlink_sendmsg+0x723/0xbe0 [15965.937686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15965.937686][ T7704] ___sys_sendmsg+0xee/0x170 [15965.937686][ T7704] __sys_sendmsg+0xcd/0x170 [15965.937686][ T7704] do_syscall_64+0xc6/0x1e0 [15965.937686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15965.937686][ T7704] [15965.939894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15965.939894][ T7704] netdev_get_by_index+0x5e/0x80 [15965.939894][ T7704] fib6_nh_init+0x3d8/0x15b0 [15965.939894][ T7704] ip6_route_info_create+0xf18/0x17d0 [15965.939894][ T7704] ip6_route_add+0x1c/0x140 [15965.939894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15965.939894][ T7704] addrconf_add_dev+0xe2/0x170 [15965.939894][ T7704] inet6_addr_add+0x12f/0xa40 [15965.939894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15965.939894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15965.939894][ T7704] netlink_rcv_skb+0x130/0x360 [15965.939894][ T7704] netlink_unicast+0x449/0x710 [15965.939894][ T7704] netlink_sendmsg+0x723/0xbe0 [15965.939894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15965.939894][ T7704] ___sys_sendmsg+0xee/0x170 [15965.939894][ T7704] __sys_sendmsg+0xcd/0x170 [15965.939894][ T7704] do_syscall_64+0xc6/0x1e0 [15965.939894][ T7704] [15965.942074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15965.942074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15965.942074][ T7704] ipv6_find_idev+0x102/0x170 [15965.942074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15965.942074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15965.942074][ T7704] netlink_rcv_skb+0x130/0x360 [15965.942074][ T7704] netlink_unicast+0x449/0x710 [15965.942074][ T7704] netlink_sendmsg+0x723/0xbe0 [15965.942074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15965.942074][ T7704] ___sys_sendmsg+0xee/0x170 [15965.942074][ T7704] __sys_sendmsg+0xcd/0x170 [15965.942074][ T7704] do_syscall_64+0xc6/0x1e0 [15965.942074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15965.942074][ T7704] [15965.943777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15965.943777][ T7704] neigh_parms_alloc+0x1e5/0x510 [15965.943777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15965.943777][ T7704] ipv6_find_idev+0x102/0x170 [15965.943777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15965.943777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15965.943777][ T7704] netlink_rcv_skb+0x130/0x360 [15965.943777][ T7704] netlink_unicast+0x449/0x710 [15965.943777][ T7704] netlink_sendmsg+0x723/0xbe0 [15965.943777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15965.943777][ T7704] ___sys_sendmsg+0xee/0x170 [15965.943777][ T7704] __sys_sendmsg+0xcd/0x170 [15965.943777][ T7704] do_syscall_64+0xc6/0x1e0 [15965.943777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15965.943777][ T7704] [15976.182940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15976.183432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15976.183432][ T7704] netdev_get_by_index+0x5e/0x80 [15976.183432][ T7704] fib6_nh_init+0x3d8/0x15b0 [15976.183432][ T7704] ip6_route_info_create+0xf18/0x17d0 [15976.183432][ T7704] ip6_route_add+0x1c/0x140 [15976.183432][ T7704] addrconf_prefix_route+0x2a6/0x430 [15976.183432][ T7704] inet6_addr_add+0x4f8/0xa40 [15976.183432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15976.183432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15976.183432][ T7704] netlink_rcv_skb+0x130/0x360 [15976.183432][ T7704] netlink_unicast+0x449/0x710 [15976.183432][ T7704] netlink_sendmsg+0x723/0xbe0 [15976.183432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15976.183432][ T7704] ___sys_sendmsg+0xee/0x170 [15976.183432][ T7704] __sys_sendmsg+0xcd/0x170 [15976.183432][ T7704] do_syscall_64+0xc6/0x1e0 [15976.183432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15976.183432][ T7704] [15976.185700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15976.185700][ T7704] netdev_get_by_index+0x5e/0x80 [15976.185700][ T7704] fib6_nh_init+0x3d8/0x15b0 [15976.185700][ T7704] ip6_route_info_create+0xf18/0x17d0 [15976.185700][ T7704] addrconf_f6i_alloc+0x315/0x560 [15976.185700][ T7704] ipv6_add_addr+0x411/0x2000 [15976.185700][ T7704] inet6_addr_add+0x30e/0xa40 [15976.185700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15976.185700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15976.185700][ T7704] netlink_rcv_skb+0x130/0x360 [15976.185700][ T7704] netlink_unicast+0x449/0x710 [15976.185700][ T7704] netlink_sendmsg+0x723/0xbe0 [15976.185700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15976.185700][ T7704] ___sys_sendmsg+0xee/0x170 [15976.185700][ T7704] __sys_sendmsg+0xcd/0x170 [15976.185700][ T7704] do_syscall_64+0xc6/0x1e0 [15976.185700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15976.185700][ T7704] [15976.187929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15976.187929][ T7704] netdev_get_by_index+0x5e/0x80 [15976.187929][ T7704] fib6_nh_init+0x3d8/0x15b0 [15976.187929][ T7704] ip6_route_info_create+0xf18/0x17d0 [15976.187929][ T7704] ip6_route_add+0x1c/0x140 [15976.187929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15976.187929][ T7704] addrconf_add_dev+0xe2/0x170 [15976.187929][ T7704] inet6_addr_add+0x12f/0xa40 [15976.187929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15976.187929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15976.187929][ T7704] netlink_rcv_skb+0x130/0x360 [15976.187929][ T7704] netlink_unicast+0x449/0x710 [15976.187929][ T7704] netlink_sendmsg+0x723/0xbe0 [15976.187929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15976.187929][ T7704] ___sys_sendmsg+0xee/0x170 [15976.187929][ T7704] __sys_sendmsg+0xcd/0x170 [15976.187929][ T7704] do_syscall_64+0xc6/0x1e0 [15976.187929][ T7704] [15976.190111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15976.190111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15976.190111][ T7704] ipv6_find_idev+0x102/0x170 [15976.190111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15976.190111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15976.190111][ T7704] netlink_rcv_skb+0x130/0x360 [15976.190111][ T7704] netlink_unicast+0x449/0x710 [15976.190111][ T7704] netlink_sendmsg+0x723/0xbe0 [15976.190111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15976.190111][ T7704] ___sys_sendmsg+0xee/0x170 [15976.190111][ T7704] __sys_sendmsg+0xcd/0x170 [15976.190111][ T7704] do_syscall_64+0xc6/0x1e0 [15976.190111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15976.190111][ T7704] [15976.191815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15976.191815][ T7704] neigh_parms_alloc+0x1e5/0x510 [15976.191815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15976.191815][ T7704] ipv6_find_idev+0x102/0x170 [15976.191815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15976.191815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15976.191815][ T7704] netlink_rcv_skb+0x130/0x360 [15976.191815][ T7704] netlink_unicast+0x449/0x710 [15976.191815][ T7704] netlink_sendmsg+0x723/0xbe0 [15976.191815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15976.191815][ T7704] ___sys_sendmsg+0xee/0x170 [15976.191815][ T7704] __sys_sendmsg+0xcd/0x170 [15976.191815][ T7704] do_syscall_64+0xc6/0x1e0 [15976.191815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15976.191815][ T7704] [15986.430953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15986.431432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15986.431432][ T7704] netdev_get_by_index+0x5e/0x80 [15986.431432][ T7704] fib6_nh_init+0x3d8/0x15b0 [15986.431432][ T7704] ip6_route_info_create+0xf18/0x17d0 [15986.431432][ T7704] ip6_route_add+0x1c/0x140 [15986.431432][ T7704] addrconf_prefix_route+0x2a6/0x430 [15986.431432][ T7704] inet6_addr_add+0x4f8/0xa40 [15986.431432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15986.431432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15986.431432][ T7704] netlink_rcv_skb+0x130/0x360 [15986.431432][ T7704] netlink_unicast+0x449/0x710 [15986.431432][ T7704] netlink_sendmsg+0x723/0xbe0 [15986.431432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15986.431432][ T7704] ___sys_sendmsg+0xee/0x170 [15986.431432][ T7704] __sys_sendmsg+0xcd/0x170 [15986.431432][ T7704] do_syscall_64+0xc6/0x1e0 [15986.431432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15986.431432][ T7704] [15986.433674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15986.433674][ T7704] netdev_get_by_index+0x5e/0x80 [15986.433674][ T7704] fib6_nh_init+0x3d8/0x15b0 [15986.433674][ T7704] ip6_route_info_create+0xf18/0x17d0 [15986.433674][ T7704] addrconf_f6i_alloc+0x315/0x560 [15986.433674][ T7704] ipv6_add_addr+0x411/0x2000 [15986.433674][ T7704] inet6_addr_add+0x30e/0xa40 [15986.433674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15986.433674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15986.433674][ T7704] netlink_rcv_skb+0x130/0x360 [15986.433674][ T7704] netlink_unicast+0x449/0x710 [15986.433674][ T7704] netlink_sendmsg+0x723/0xbe0 [15986.433674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15986.433674][ T7704] ___sys_sendmsg+0xee/0x170 [15986.433674][ T7704] __sys_sendmsg+0xcd/0x170 [15986.433674][ T7704] do_syscall_64+0xc6/0x1e0 [15986.433674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15986.433674][ T7704] [15986.435910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15986.435910][ T7704] netdev_get_by_index+0x5e/0x80 [15986.435910][ T7704] fib6_nh_init+0x3d8/0x15b0 [15986.435910][ T7704] ip6_route_info_create+0xf18/0x17d0 [15986.435910][ T7704] ip6_route_add+0x1c/0x140 [15986.435910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15986.435910][ T7704] addrconf_add_dev+0xe2/0x170 [15986.435910][ T7704] inet6_addr_add+0x12f/0xa40 [15986.435910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15986.435910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15986.435910][ T7704] netlink_rcv_skb+0x130/0x360 [15986.435910][ T7704] netlink_unicast+0x449/0x710 [15986.435910][ T7704] netlink_sendmsg+0x723/0xbe0 [15986.435910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15986.435910][ T7704] ___sys_sendmsg+0xee/0x170 [15986.435910][ T7704] __sys_sendmsg+0xcd/0x170 [15986.435910][ T7704] do_syscall_64+0xc6/0x1e0 [15986.435910][ T7704] [15986.438091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15986.438091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15986.438091][ T7704] ipv6_find_idev+0x102/0x170 [15986.438091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15986.438091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15986.438091][ T7704] netlink_rcv_skb+0x130/0x360 [15986.438091][ T7704] netlink_unicast+0x449/0x710 [15986.438091][ T7704] netlink_sendmsg+0x723/0xbe0 [15986.438091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15986.438091][ T7704] ___sys_sendmsg+0xee/0x170 [15986.438091][ T7704] __sys_sendmsg+0xcd/0x170 [15986.438091][ T7704] do_syscall_64+0xc6/0x1e0 [15986.438091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15986.438091][ T7704] [15986.439797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15986.439797][ T7704] neigh_parms_alloc+0x1e5/0x510 [15986.439797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15986.439797][ T7704] ipv6_find_idev+0x102/0x170 [15986.439797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15986.439797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15986.439797][ T7704] netlink_rcv_skb+0x130/0x360 [15986.439797][ T7704] netlink_unicast+0x449/0x710 [15986.439797][ T7704] netlink_sendmsg+0x723/0xbe0 [15986.439797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15986.439797][ T7704] ___sys_sendmsg+0xee/0x170 [15986.439797][ T7704] __sys_sendmsg+0xcd/0x170 [15986.439797][ T7704] do_syscall_64+0xc6/0x1e0 [15986.439797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15986.439797][ T7704] [15996.678948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15996.680138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15996.680138][ T7704] netdev_get_by_index+0x5e/0x80 [15996.680138][ T7704] fib6_nh_init+0x3d8/0x15b0 [15996.680138][ T7704] ip6_route_info_create+0xf18/0x17d0 [15996.680138][ T7704] ip6_route_add+0x1c/0x140 [15996.680138][ T7704] addrconf_prefix_route+0x2a6/0x430 [15996.680138][ T7704] inet6_addr_add+0x4f8/0xa40 [15996.680138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15996.680138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15996.680138][ T7704] netlink_rcv_skb+0x130/0x360 [15996.680138][ T7704] netlink_unicast+0x449/0x710 [15996.680138][ T7704] netlink_sendmsg+0x723/0xbe0 [15996.680138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15996.680138][ T7704] ___sys_sendmsg+0xee/0x170 [15996.680138][ T7704] __sys_sendmsg+0xcd/0x170 [15996.680138][ T7704] do_syscall_64+0xc6/0x1e0 [15996.680138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15996.680138][ T7704] [15996.682372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15996.682372][ T7704] netdev_get_by_index+0x5e/0x80 [15996.682372][ T7704] fib6_nh_init+0x3d8/0x15b0 [15996.682372][ T7704] ip6_route_info_create+0xf18/0x17d0 [15996.682372][ T7704] addrconf_f6i_alloc+0x315/0x560 [15996.682372][ T7704] ipv6_add_addr+0x411/0x2000 [15996.682372][ T7704] inet6_addr_add+0x30e/0xa40 [15996.682372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15996.682372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15996.682372][ T7704] netlink_rcv_skb+0x130/0x360 [15996.682372][ T7704] netlink_unicast+0x449/0x710 [15996.682372][ T7704] netlink_sendmsg+0x723/0xbe0 [15996.682372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15996.682372][ T7704] ___sys_sendmsg+0xee/0x170 [15996.682372][ T7704] __sys_sendmsg+0xcd/0x170 [15996.682372][ T7704] do_syscall_64+0xc6/0x1e0 [15996.682372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15996.682372][ T7704] [15996.684588][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15996.684588][ T7704] netdev_get_by_index+0x5e/0x80 [15996.684588][ T7704] fib6_nh_init+0x3d8/0x15b0 [15996.684588][ T7704] ip6_route_info_create+0xf18/0x17d0 [15996.684588][ T7704] ip6_route_add+0x1c/0x140 [15996.684588][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15996.684588][ T7704] addrconf_add_dev+0xe2/0x170 [15996.684588][ T7704] inet6_addr_add+0x12f/0xa40 [15996.684588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15996.684588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15996.684588][ T7704] netlink_rcv_skb+0x130/0x360 [15996.684588][ T7704] netlink_unicast+0x449/0x710 [15996.684588][ T7704] netlink_sendmsg+0x723/0xbe0 [15996.684588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15996.684588][ T7704] ___sys_sendmsg+0xee/0x170 [15996.684588][ T7704] __sys_sendmsg+0xcd/0x170 [15996.684588][ T7704] do_syscall_64+0xc6/0x1e0 [15996.684588][ T7704] [15996.686785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15996.686785][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15996.686785][ T7704] ipv6_find_idev+0x102/0x170 [15996.686785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15996.686785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15996.686785][ T7704] netlink_rcv_skb+0x130/0x360 [15996.686785][ T7704] netlink_unicast+0x449/0x710 [15996.686785][ T7704] netlink_sendmsg+0x723/0xbe0 [15996.686785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15996.686785][ T7704] ___sys_sendmsg+0xee/0x170 [15996.686785][ T7704] __sys_sendmsg+0xcd/0x170 [15996.686785][ T7704] do_syscall_64+0xc6/0x1e0 [15996.686785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15996.686785][ T7704] [15996.688496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [15996.688496][ T7704] neigh_parms_alloc+0x1e5/0x510 [15996.688496][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15996.688496][ T7704] ipv6_find_idev+0x102/0x170 [15996.688496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15996.688496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15996.688496][ T7704] netlink_rcv_skb+0x130/0x360 [15996.688496][ T7704] netlink_unicast+0x449/0x710 [15996.688496][ T7704] netlink_sendmsg+0x723/0xbe0 [15996.688496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15996.688496][ T7704] ___sys_sendmsg+0xee/0x170 [15996.688496][ T7704] __sys_sendmsg+0xcd/0x170 [15996.688496][ T7704] do_syscall_64+0xc6/0x1e0 [15996.688496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15996.688496][ T7704] [16006.822942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16006.823353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16006.823353][ T7704] netdev_get_by_index+0x5e/0x80 [16006.823353][ T7704] fib6_nh_init+0x3d8/0x15b0 [16006.823353][ T7704] ip6_route_info_create+0xf18/0x17d0 [16006.823353][ T7704] ip6_route_add+0x1c/0x140 [16006.823353][ T7704] addrconf_prefix_route+0x2a6/0x430 [16006.823353][ T7704] inet6_addr_add+0x4f8/0xa40 [16006.823353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16006.823353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16006.823353][ T7704] netlink_rcv_skb+0x130/0x360 [16006.823353][ T7704] netlink_unicast+0x449/0x710 [16006.823353][ T7704] netlink_sendmsg+0x723/0xbe0 [16006.823353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16006.823353][ T7704] ___sys_sendmsg+0xee/0x170 [16006.823353][ T7704] __sys_sendmsg+0xcd/0x170 [16006.823353][ T7704] do_syscall_64+0xc6/0x1e0 [16006.823353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16006.823353][ T7704] [16006.825562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16006.825562][ T7704] netdev_get_by_index+0x5e/0x80 [16006.825562][ T7704] fib6_nh_init+0x3d8/0x15b0 [16006.825562][ T7704] ip6_route_info_create+0xf18/0x17d0 [16006.825562][ T7704] addrconf_f6i_alloc+0x315/0x560 [16006.825562][ T7704] ipv6_add_addr+0x411/0x2000 [16006.825562][ T7704] inet6_addr_add+0x30e/0xa40 [16006.825562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16006.825562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16006.825562][ T7704] netlink_rcv_skb+0x130/0x360 [16006.825562][ T7704] netlink_unicast+0x449/0x710 [16006.825562][ T7704] netlink_sendmsg+0x723/0xbe0 [16006.825562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16006.825562][ T7704] ___sys_sendmsg+0xee/0x170 [16006.825562][ T7704] __sys_sendmsg+0xcd/0x170 [16006.825562][ T7704] do_syscall_64+0xc6/0x1e0 [16006.825562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16006.825562][ T7704] [16006.827814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16006.827814][ T7704] netdev_get_by_index+0x5e/0x80 [16006.827814][ T7704] fib6_nh_init+0x3d8/0x15b0 [16006.827814][ T7704] ip6_route_info_create+0xf18/0x17d0 [16006.827814][ T7704] ip6_route_add+0x1c/0x140 [16006.827814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16006.827814][ T7704] addrconf_add_dev+0xe2/0x170 [16006.827814][ T7704] inet6_addr_add+0x12f/0xa40 [16006.827814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16006.827814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16006.827814][ T7704] netlink_rcv_skb+0x130/0x360 [16006.827814][ T7704] netlink_unicast+0x449/0x710 [16006.827814][ T7704] netlink_sendmsg+0x723/0xbe0 [16006.827814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16006.827814][ T7704] ___sys_sendmsg+0xee/0x170 [16006.827814][ T7704] __sys_sendmsg+0xcd/0x170 [16006.827814][ T7704] do_syscall_64+0xc6/0x1e0 [16006.827814][ T7704] [16006.829947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16006.829947][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16006.829947][ T7704] ipv6_find_idev+0x102/0x170 [16006.829947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16006.829947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16006.829947][ T7704] netlink_rcv_skb+0x130/0x360 [16006.829947][ T7704] netlink_unicast+0x449/0x710 [16006.829947][ T7704] netlink_sendmsg+0x723/0xbe0 [16006.829947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16006.829947][ T7704] ___sys_sendmsg+0xee/0x170 [16006.829947][ T7704] __sys_sendmsg+0xcd/0x170 [16006.829947][ T7704] do_syscall_64+0xc6/0x1e0 [16006.829947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16006.829947][ T7704] [16006.831668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16006.831668][ T7704] neigh_parms_alloc+0x1e5/0x510 [16006.831668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16006.831668][ T7704] ipv6_find_idev+0x102/0x170 [16006.831668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16006.831668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16006.831668][ T7704] netlink_rcv_skb+0x130/0x360 [16006.831668][ T7704] netlink_unicast+0x449/0x710 [16006.831668][ T7704] netlink_sendmsg+0x723/0xbe0 [16006.831668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16006.831668][ T7704] ___sys_sendmsg+0xee/0x170 [16006.831668][ T7704] __sys_sendmsg+0xcd/0x170 [16006.831668][ T7704] do_syscall_64+0xc6/0x1e0 [16006.831668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16006.831668][ T7704] [16017.078951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16017.079451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16017.079451][ T7704] netdev_get_by_index+0x5e/0x80 [16017.079451][ T7704] fib6_nh_init+0x3d8/0x15b0 [16017.079451][ T7704] ip6_route_info_create+0xf18/0x17d0 [16017.079451][ T7704] ip6_route_add+0x1c/0x140 [16017.079451][ T7704] addrconf_prefix_route+0x2a6/0x430 [16017.079451][ T7704] inet6_addr_add+0x4f8/0xa40 [16017.079451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16017.079451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16017.079451][ T7704] netlink_rcv_skb+0x130/0x360 [16017.079451][ T7704] netlink_unicast+0x449/0x710 [16017.079451][ T7704] netlink_sendmsg+0x723/0xbe0 [16017.079451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16017.079451][ T7704] ___sys_sendmsg+0xee/0x170 [16017.079451][ T7704] __sys_sendmsg+0xcd/0x170 [16017.079451][ T7704] do_syscall_64+0xc6/0x1e0 [16017.079451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16017.079451][ T7704] [16017.082189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16017.082189][ T7704] netdev_get_by_index+0x5e/0x80 [16017.082189][ T7704] fib6_nh_init+0x3d8/0x15b0 [16017.082189][ T7704] ip6_route_info_create+0xf18/0x17d0 [16017.082189][ T7704] addrconf_f6i_alloc+0x315/0x560 [16017.082189][ T7704] ipv6_add_addr+0x411/0x2000 [16017.082189][ T7704] inet6_addr_add+0x30e/0xa40 [16017.082189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16017.082189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16017.082189][ T7704] netlink_rcv_skb+0x130/0x360 [16017.082189][ T7704] netlink_unicast+0x449/0x710 [16017.082189][ T7704] netlink_sendmsg+0x723/0xbe0 [16017.082189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16017.082189][ T7704] ___sys_sendmsg+0xee/0x170 [16017.082189][ T7704] __sys_sendmsg+0xcd/0x170 [16017.082189][ T7704] do_syscall_64+0xc6/0x1e0 [16017.082189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16017.082189][ T7704] [16017.084848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16017.084848][ T7704] netdev_get_by_index+0x5e/0x80 [16017.084848][ T7704] fib6_nh_init+0x3d8/0x15b0 [16017.084848][ T7704] ip6_route_info_create+0xf18/0x17d0 [16017.084848][ T7704] ip6_route_add+0x1c/0x140 [16017.084848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16017.084848][ T7704] addrconf_add_dev+0xe2/0x170 [16017.084848][ T7704] inet6_addr_add+0x12f/0xa40 [16017.084848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16017.084848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16017.084848][ T7704] netlink_rcv_skb+0x130/0x360 [16017.084848][ T7704] netlink_unicast+0x449/0x710 [16017.084848][ T7704] netlink_sendmsg+0x723/0xbe0 [16017.084848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16017.084848][ T7704] ___sys_sendmsg+0xee/0x170 [16017.084848][ T7704] __sys_sendmsg+0xcd/0x170 [16017.084848][ T7704] do_syscall_64+0xc6/0x1e0 [16017.084848][ T7704] [16017.087577][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16017.087577][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16017.087577][ T7704] ipv6_find_idev+0x102/0x170 [16017.087577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16017.087577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16017.087577][ T7704] netlink_rcv_skb+0x130/0x360 [16017.087577][ T7704] netlink_unicast+0x449/0x710 [16017.087577][ T7704] netlink_sendmsg+0x723/0xbe0 [16017.087577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16017.087577][ T7704] ___sys_sendmsg+0xee/0x170 [16017.087577][ T7704] __sys_sendmsg+0xcd/0x170 [16017.087577][ T7704] do_syscall_64+0xc6/0x1e0 [16017.087577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16017.087577][ T7704] [16017.089663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16017.089663][ T7704] neigh_parms_alloc+0x1e5/0x510 [16017.089663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16017.089663][ T7704] ipv6_find_idev+0x102/0x170 [16017.089663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16017.089663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16017.089663][ T7704] netlink_rcv_skb+0x130/0x360 [16017.089663][ T7704] netlink_unicast+0x449/0x710 [16017.089663][ T7704] netlink_sendmsg+0x723/0xbe0 [16017.089663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16017.089663][ T7704] ___sys_sendmsg+0xee/0x170 [16017.089663][ T7704] __sys_sendmsg+0xcd/0x170 [16017.089663][ T7704] do_syscall_64+0xc6/0x1e0 [16017.089663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16017.089663][ T7704] [16027.342941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16027.343361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16027.343361][ T7704] netdev_get_by_index+0x5e/0x80 [16027.343361][ T7704] fib6_nh_init+0x3d8/0x15b0 [16027.343361][ T7704] ip6_route_info_create+0xf18/0x17d0 [16027.343361][ T7704] ip6_route_add+0x1c/0x140 [16027.343361][ T7704] addrconf_prefix_route+0x2a6/0x430 [16027.343361][ T7704] inet6_addr_add+0x4f8/0xa40 [16027.343361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16027.343361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16027.343361][ T7704] netlink_rcv_skb+0x130/0x360 [16027.343361][ T7704] netlink_unicast+0x449/0x710 [16027.343361][ T7704] netlink_sendmsg+0x723/0xbe0 [16027.343361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16027.343361][ T7704] ___sys_sendmsg+0xee/0x170 [16027.343361][ T7704] __sys_sendmsg+0xcd/0x170 [16027.343361][ T7704] do_syscall_64+0xc6/0x1e0 [16027.343361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16027.343361][ T7704] [16027.345616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16027.345616][ T7704] netdev_get_by_index+0x5e/0x80 [16027.345616][ T7704] fib6_nh_init+0x3d8/0x15b0 [16027.345616][ T7704] ip6_route_info_create+0xf18/0x17d0 [16027.345616][ T7704] addrconf_f6i_alloc+0x315/0x560 [16027.345616][ T7704] ipv6_add_addr+0x411/0x2000 [16027.345616][ T7704] inet6_addr_add+0x30e/0xa40 [16027.345616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16027.345616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16027.345616][ T7704] netlink_rcv_skb+0x130/0x360 [16027.345616][ T7704] netlink_unicast+0x449/0x710 [16027.345616][ T7704] netlink_sendmsg+0x723/0xbe0 [16027.345616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16027.345616][ T7704] ___sys_sendmsg+0xee/0x170 [16027.345616][ T7704] __sys_sendmsg+0xcd/0x170 [16027.345616][ T7704] do_syscall_64+0xc6/0x1e0 [16027.345616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16027.345616][ T7704] [16027.347931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16027.347931][ T7704] netdev_get_by_index+0x5e/0x80 [16027.347931][ T7704] fib6_nh_init+0x3d8/0x15b0 [16027.347931][ T7704] ip6_route_info_create+0xf18/0x17d0 [16027.347931][ T7704] ip6_route_add+0x1c/0x140 [16027.347931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16027.347931][ T7704] addrconf_add_dev+0xe2/0x170 [16027.347931][ T7704] inet6_addr_add+0x12f/0xa40 [16027.347931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16027.347931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16027.347931][ T7704] netlink_rcv_skb+0x130/0x360 [16027.347931][ T7704] netlink_unicast+0x449/0x710 [16027.347931][ T7704] netlink_sendmsg+0x723/0xbe0 [16027.347931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16027.347931][ T7704] ___sys_sendmsg+0xee/0x170 [16027.347931][ T7704] __sys_sendmsg+0xcd/0x170 [16027.347931][ T7704] do_syscall_64+0xc6/0x1e0 [16027.347931][ T7704] [16027.350107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16027.350107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16027.350107][ T7704] ipv6_find_idev+0x102/0x170 [16027.350107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16027.350107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16027.350107][ T7704] netlink_rcv_skb+0x130/0x360 [16027.350107][ T7704] netlink_unicast+0x449/0x710 [16027.350107][ T7704] netlink_sendmsg+0x723/0xbe0 [16027.350107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16027.350107][ T7704] ___sys_sendmsg+0xee/0x170 [16027.350107][ T7704] __sys_sendmsg+0xcd/0x170 [16027.350107][ T7704] do_syscall_64+0xc6/0x1e0 [16027.350107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16027.350107][ T7704] [16027.351808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16027.351808][ T7704] neigh_parms_alloc+0x1e5/0x510 [16027.351808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16027.351808][ T7704] ipv6_find_idev+0x102/0x170 [16027.351808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16027.351808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16027.351808][ T7704] netlink_rcv_skb+0x130/0x360 [16027.351808][ T7704] netlink_unicast+0x449/0x710 [16027.351808][ T7704] netlink_sendmsg+0x723/0xbe0 [16027.351808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16027.351808][ T7704] ___sys_sendmsg+0xee/0x170 [16027.351808][ T7704] __sys_sendmsg+0xcd/0x170 [16027.351808][ T7704] do_syscall_64+0xc6/0x1e0 [16027.351808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16027.351808][ T7704] [16037.430946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16037.431419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16037.431419][ T7704] netdev_get_by_index+0x5e/0x80 [16037.431419][ T7704] fib6_nh_init+0x3d8/0x15b0 [16037.431419][ T7704] ip6_route_info_create+0xf18/0x17d0 [16037.431419][ T7704] ip6_route_add+0x1c/0x140 [16037.431419][ T7704] addrconf_prefix_route+0x2a6/0x430 [16037.431419][ T7704] inet6_addr_add+0x4f8/0xa40 [16037.431419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16037.431419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16037.431419][ T7704] netlink_rcv_skb+0x130/0x360 [16037.431419][ T7704] netlink_unicast+0x449/0x710 [16037.431419][ T7704] netlink_sendmsg+0x723/0xbe0 [16037.431419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16037.431419][ T7704] ___sys_sendmsg+0xee/0x170 [16037.431419][ T7704] __sys_sendmsg+0xcd/0x170 [16037.431419][ T7704] do_syscall_64+0xc6/0x1e0 [16037.431419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16037.431419][ T7704] [16037.433676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16037.433676][ T7704] netdev_get_by_index+0x5e/0x80 [16037.433676][ T7704] fib6_nh_init+0x3d8/0x15b0 [16037.433676][ T7704] ip6_route_info_create+0xf18/0x17d0 [16037.433676][ T7704] addrconf_f6i_alloc+0x315/0x560 [16037.433676][ T7704] ipv6_add_addr+0x411/0x2000 [16037.433676][ T7704] inet6_addr_add+0x30e/0xa40 [16037.433676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16037.433676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16037.433676][ T7704] netlink_rcv_skb+0x130/0x360 [16037.433676][ T7704] netlink_unicast+0x449/0x710 [16037.433676][ T7704] netlink_sendmsg+0x723/0xbe0 [16037.433676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16037.433676][ T7704] ___sys_sendmsg+0xee/0x170 [16037.433676][ T7704] __sys_sendmsg+0xcd/0x170 [16037.433676][ T7704] do_syscall_64+0xc6/0x1e0 [16037.433676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16037.433676][ T7704] [16037.435912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16037.435912][ T7704] netdev_get_by_index+0x5e/0x80 [16037.435912][ T7704] fib6_nh_init+0x3d8/0x15b0 [16037.435912][ T7704] ip6_route_info_create+0xf18/0x17d0 [16037.435912][ T7704] ip6_route_add+0x1c/0x140 [16037.435912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16037.435912][ T7704] addrconf_add_dev+0xe2/0x170 [16037.435912][ T7704] inet6_addr_add+0x12f/0xa40 [16037.435912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16037.435912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16037.435912][ T7704] netlink_rcv_skb+0x130/0x360 [16037.435912][ T7704] netlink_unicast+0x449/0x710 [16037.435912][ T7704] netlink_sendmsg+0x723/0xbe0 [16037.435912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16037.435912][ T7704] ___sys_sendmsg+0xee/0x170 [16037.435912][ T7704] __sys_sendmsg+0xcd/0x170 [16037.435912][ T7704] do_syscall_64+0xc6/0x1e0 [16037.435912][ T7704] [16037.438116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16037.438116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16037.438116][ T7704] ipv6_find_idev+0x102/0x170 [16037.438116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16037.438116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16037.438116][ T7704] netlink_rcv_skb+0x130/0x360 [16037.438116][ T7704] netlink_unicast+0x449/0x710 [16037.438116][ T7704] netlink_sendmsg+0x723/0xbe0 [16037.438116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16037.438116][ T7704] ___sys_sendmsg+0xee/0x170 [16037.438116][ T7704] __sys_sendmsg+0xcd/0x170 [16037.438116][ T7704] do_syscall_64+0xc6/0x1e0 [16037.438116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16037.438116][ T7704] [16037.439814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16037.439814][ T7704] neigh_parms_alloc+0x1e5/0x510 [16037.439814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16037.439814][ T7704] ipv6_find_idev+0x102/0x170 [16037.439814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16037.439814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16037.439814][ T7704] netlink_rcv_skb+0x130/0x360 [16037.439814][ T7704] netlink_unicast+0x449/0x710 [16037.439814][ T7704] netlink_sendmsg+0x723/0xbe0 [16037.439814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16037.439814][ T7704] ___sys_sendmsg+0xee/0x170 [16037.439814][ T7704] __sys_sendmsg+0xcd/0x170 [16037.439814][ T7704] do_syscall_64+0xc6/0x1e0 [16037.439814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16037.439814][ T7704] [16047.686926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16047.687405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16047.687405][ T7704] netdev_get_by_index+0x5e/0x80 [16047.687405][ T7704] fib6_nh_init+0x3d8/0x15b0 [16047.687405][ T7704] ip6_route_info_create+0xf18/0x17d0 [16047.687405][ T7704] ip6_route_add+0x1c/0x140 [16047.687405][ T7704] addrconf_prefix_route+0x2a6/0x430 [16047.687405][ T7704] inet6_addr_add+0x4f8/0xa40 [16047.687405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16047.687405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16047.687405][ T7704] netlink_rcv_skb+0x130/0x360 [16047.687405][ T7704] netlink_unicast+0x449/0x710 [16047.687405][ T7704] netlink_sendmsg+0x723/0xbe0 [16047.687405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16047.687405][ T7704] ___sys_sendmsg+0xee/0x170 [16047.687405][ T7704] __sys_sendmsg+0xcd/0x170 [16047.687405][ T7704] do_syscall_64+0xc6/0x1e0 [16047.687405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16047.687405][ T7704] [16047.689687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16047.689687][ T7704] netdev_get_by_index+0x5e/0x80 [16047.689687][ T7704] fib6_nh_init+0x3d8/0x15b0 [16047.689687][ T7704] ip6_route_info_create+0xf18/0x17d0 [16047.689687][ T7704] addrconf_f6i_alloc+0x315/0x560 [16047.689687][ T7704] ipv6_add_addr+0x411/0x2000 [16047.689687][ T7704] inet6_addr_add+0x30e/0xa40 [16047.689687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16047.689687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16047.689687][ T7704] netlink_rcv_skb+0x130/0x360 [16047.689687][ T7704] netlink_unicast+0x449/0x710 [16047.689687][ T7704] netlink_sendmsg+0x723/0xbe0 [16047.689687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16047.689687][ T7704] ___sys_sendmsg+0xee/0x170 [16047.689687][ T7704] __sys_sendmsg+0xcd/0x170 [16047.689687][ T7704] do_syscall_64+0xc6/0x1e0 [16047.689687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16047.689687][ T7704] [16047.691923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16047.691923][ T7704] netdev_get_by_index+0x5e/0x80 [16047.691923][ T7704] fib6_nh_init+0x3d8/0x15b0 [16047.691923][ T7704] ip6_route_info_create+0xf18/0x17d0 [16047.691923][ T7704] ip6_route_add+0x1c/0x140 [16047.691923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16047.691923][ T7704] addrconf_add_dev+0xe2/0x170 [16047.691923][ T7704] inet6_addr_add+0x12f/0xa40 [16047.691923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16047.691923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16047.691923][ T7704] netlink_rcv_skb+0x130/0x360 [16047.691923][ T7704] netlink_unicast+0x449/0x710 [16047.691923][ T7704] netlink_sendmsg+0x723/0xbe0 [16047.691923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16047.691923][ T7704] ___sys_sendmsg+0xee/0x170 [16047.691923][ T7704] __sys_sendmsg+0xcd/0x170 [16047.691923][ T7704] do_syscall_64+0xc6/0x1e0 [16047.691923][ T7704] [16047.694095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16047.694095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16047.694095][ T7704] ipv6_find_idev+0x102/0x170 [16047.694095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16047.694095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16047.694095][ T7704] netlink_rcv_skb+0x130/0x360 [16047.694095][ T7704] netlink_unicast+0x449/0x710 [16047.694095][ T7704] netlink_sendmsg+0x723/0xbe0 [16047.694095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16047.694095][ T7704] ___sys_sendmsg+0xee/0x170 [16047.694095][ T7704] __sys_sendmsg+0xcd/0x170 [16047.694095][ T7704] do_syscall_64+0xc6/0x1e0 [16047.694095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16047.694095][ T7704] [16047.695818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16047.695818][ T7704] neigh_parms_alloc+0x1e5/0x510 [16047.695818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16047.695818][ T7704] ipv6_find_idev+0x102/0x170 [16047.695818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16047.695818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16047.695818][ T7704] netlink_rcv_skb+0x130/0x360 [16047.695818][ T7704] netlink_unicast+0x449/0x710 [16047.695818][ T7704] netlink_sendmsg+0x723/0xbe0 [16047.695818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16047.695818][ T7704] ___sys_sendmsg+0xee/0x170 [16047.695818][ T7704] __sys_sendmsg+0xcd/0x170 [16047.695818][ T7704] do_syscall_64+0xc6/0x1e0 [16047.695818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16047.695818][ T7704] [16057.734939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16057.735365][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16057.735365][ T7704] netdev_get_by_index+0x5e/0x80 [16057.735365][ T7704] fib6_nh_init+0x3d8/0x15b0 [16057.735365][ T7704] ip6_route_info_create+0xf18/0x17d0 [16057.735365][ T7704] ip6_route_add+0x1c/0x140 [16057.735365][ T7704] addrconf_prefix_route+0x2a6/0x430 [16057.735365][ T7704] inet6_addr_add+0x4f8/0xa40 [16057.735365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16057.735365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16057.735365][ T7704] netlink_rcv_skb+0x130/0x360 [16057.735365][ T7704] netlink_unicast+0x449/0x710 [16057.735365][ T7704] netlink_sendmsg+0x723/0xbe0 [16057.735365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16057.735365][ T7704] ___sys_sendmsg+0xee/0x170 [16057.735365][ T7704] __sys_sendmsg+0xcd/0x170 [16057.735365][ T7704] do_syscall_64+0xc6/0x1e0 [16057.735365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16057.735365][ T7704] [16057.737613][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16057.737613][ T7704] netdev_get_by_index+0x5e/0x80 [16057.737613][ T7704] fib6_nh_init+0x3d8/0x15b0 [16057.737613][ T7704] ip6_route_info_create+0xf18/0x17d0 [16057.737613][ T7704] addrconf_f6i_alloc+0x315/0x560 [16057.737613][ T7704] ipv6_add_addr+0x411/0x2000 [16057.737613][ T7704] inet6_addr_add+0x30e/0xa40 [16057.737613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16057.737613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16057.737613][ T7704] netlink_rcv_skb+0x130/0x360 [16057.737613][ T7704] netlink_unicast+0x449/0x710 [16057.737613][ T7704] netlink_sendmsg+0x723/0xbe0 [16057.737613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16057.737613][ T7704] ___sys_sendmsg+0xee/0x170 [16057.737613][ T7704] __sys_sendmsg+0xcd/0x170 [16057.737613][ T7704] do_syscall_64+0xc6/0x1e0 [16057.737613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16057.737613][ T7704] [16057.739846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16057.739846][ T7704] netdev_get_by_index+0x5e/0x80 [16057.739846][ T7704] fib6_nh_init+0x3d8/0x15b0 [16057.739846][ T7704] ip6_route_info_create+0xf18/0x17d0 [16057.739846][ T7704] ip6_route_add+0x1c/0x140 [16057.739846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16057.739846][ T7704] addrconf_add_dev+0xe2/0x170 [16057.739846][ T7704] inet6_addr_add+0x12f/0xa40 [16057.739846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16057.739846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16057.739846][ T7704] netlink_rcv_skb+0x130/0x360 [16057.739846][ T7704] netlink_unicast+0x449/0x710 [16057.739846][ T7704] netlink_sendmsg+0x723/0xbe0 [16057.739846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16057.739846][ T7704] ___sys_sendmsg+0xee/0x170 [16057.739846][ T7704] __sys_sendmsg+0xcd/0x170 [16057.739846][ T7704] do_syscall_64+0xc6/0x1e0 [16057.739846][ T7704] [16057.742068][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16057.742068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16057.742068][ T7704] ipv6_find_idev+0x102/0x170 [16057.742068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16057.742068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16057.742068][ T7704] netlink_rcv_skb+0x130/0x360 [16057.742068][ T7704] netlink_unicast+0x449/0x710 [16057.742068][ T7704] netlink_sendmsg+0x723/0xbe0 [16057.742068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16057.742068][ T7704] ___sys_sendmsg+0xee/0x170 [16057.742068][ T7704] __sys_sendmsg+0xcd/0x170 [16057.742068][ T7704] do_syscall_64+0xc6/0x1e0 [16057.742068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16057.742068][ T7704] [16057.743778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16057.743778][ T7704] neigh_parms_alloc+0x1e5/0x510 [16057.743778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16057.743778][ T7704] ipv6_find_idev+0x102/0x170 [16057.743778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16057.743778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16057.743778][ T7704] netlink_rcv_skb+0x130/0x360 [16057.743778][ T7704] netlink_unicast+0x449/0x710 [16057.743778][ T7704] netlink_sendmsg+0x723/0xbe0 [16057.743778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16057.743778][ T7704] ___sys_sendmsg+0xee/0x170 [16057.743778][ T7704] __sys_sendmsg+0xcd/0x170 [16057.743778][ T7704] do_syscall_64+0xc6/0x1e0 [16057.743778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16057.743778][ T7704] [16067.982950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16067.983428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16067.983428][ T7704] netdev_get_by_index+0x5e/0x80 [16067.983428][ T7704] fib6_nh_init+0x3d8/0x15b0 [16067.983428][ T7704] ip6_route_info_create+0xf18/0x17d0 [16067.983428][ T7704] ip6_route_add+0x1c/0x140 [16067.983428][ T7704] addrconf_prefix_route+0x2a6/0x430 [16067.983428][ T7704] inet6_addr_add+0x4f8/0xa40 [16067.983428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16067.983428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16067.983428][ T7704] netlink_rcv_skb+0x130/0x360 [16067.983428][ T7704] netlink_unicast+0x449/0x710 [16067.983428][ T7704] netlink_sendmsg+0x723/0xbe0 [16067.983428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16067.983428][ T7704] ___sys_sendmsg+0xee/0x170 [16067.983428][ T7704] __sys_sendmsg+0xcd/0x170 [16067.983428][ T7704] do_syscall_64+0xc6/0x1e0 [16067.983428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16067.983428][ T7704] [16067.985673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16067.985673][ T7704] netdev_get_by_index+0x5e/0x80 [16067.985673][ T7704] fib6_nh_init+0x3d8/0x15b0 [16067.985673][ T7704] ip6_route_info_create+0xf18/0x17d0 [16067.985673][ T7704] addrconf_f6i_alloc+0x315/0x560 [16067.985673][ T7704] ipv6_add_addr+0x411/0x2000 [16067.985673][ T7704] inet6_addr_add+0x30e/0xa40 [16067.985673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16067.985673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16067.985673][ T7704] netlink_rcv_skb+0x130/0x360 [16067.985673][ T7704] netlink_unicast+0x449/0x710 [16067.985673][ T7704] netlink_sendmsg+0x723/0xbe0 [16067.985673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16067.985673][ T7704] ___sys_sendmsg+0xee/0x170 [16067.985673][ T7704] __sys_sendmsg+0xcd/0x170 [16067.985673][ T7704] do_syscall_64+0xc6/0x1e0 [16067.985673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16067.985673][ T7704] [16067.987890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16067.987890][ T7704] netdev_get_by_index+0x5e/0x80 [16067.987890][ T7704] fib6_nh_init+0x3d8/0x15b0 [16067.987890][ T7704] ip6_route_info_create+0xf18/0x17d0 [16067.987890][ T7704] ip6_route_add+0x1c/0x140 [16067.987890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16067.987890][ T7704] addrconf_add_dev+0xe2/0x170 [16067.987890][ T7704] inet6_addr_add+0x12f/0xa40 [16067.987890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16067.987890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16067.987890][ T7704] netlink_rcv_skb+0x130/0x360 [16067.987890][ T7704] netlink_unicast+0x449/0x710 [16067.987890][ T7704] netlink_sendmsg+0x723/0xbe0 [16067.987890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16067.987890][ T7704] ___sys_sendmsg+0xee/0x170 [16067.987890][ T7704] __sys_sendmsg+0xcd/0x170 [16067.987890][ T7704] do_syscall_64+0xc6/0x1e0 [16067.987890][ T7704] [16067.990079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16067.990079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16067.990079][ T7704] ipv6_find_idev+0x102/0x170 [16067.990079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16067.990079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16067.990079][ T7704] netlink_rcv_skb+0x130/0x360 [16067.990079][ T7704] netlink_unicast+0x449/0x710 [16067.990079][ T7704] netlink_sendmsg+0x723/0xbe0 [16067.990079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16067.990079][ T7704] ___sys_sendmsg+0xee/0x170 [16067.990079][ T7704] __sys_sendmsg+0xcd/0x170 [16067.990079][ T7704] do_syscall_64+0xc6/0x1e0 [16067.990079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16067.990079][ T7704] [16067.991789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16067.991789][ T7704] neigh_parms_alloc+0x1e5/0x510 [16067.991789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16067.991789][ T7704] ipv6_find_idev+0x102/0x170 [16067.991789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16067.991789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16067.991789][ T7704] netlink_rcv_skb+0x130/0x360 [16067.991789][ T7704] netlink_unicast+0x449/0x710 [16067.991789][ T7704] netlink_sendmsg+0x723/0xbe0 [16067.991789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16067.991789][ T7704] ___sys_sendmsg+0xee/0x170 [16067.991789][ T7704] __sys_sendmsg+0xcd/0x170 [16067.991789][ T7704] do_syscall_64+0xc6/0x1e0 [16067.991789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16067.991789][ T7704] [16078.126961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16078.127453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16078.127453][ T7704] netdev_get_by_index+0x5e/0x80 [16078.127453][ T7704] fib6_nh_init+0x3d8/0x15b0 [16078.127453][ T7704] ip6_route_info_create+0xf18/0x17d0 [16078.127453][ T7704] ip6_route_add+0x1c/0x140 [16078.127453][ T7704] addrconf_prefix_route+0x2a6/0x430 [16078.127453][ T7704] inet6_addr_add+0x4f8/0xa40 [16078.127453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16078.127453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16078.127453][ T7704] netlink_rcv_skb+0x130/0x360 [16078.127453][ T7704] netlink_unicast+0x449/0x710 [16078.127453][ T7704] netlink_sendmsg+0x723/0xbe0 [16078.127453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16078.127453][ T7704] ___sys_sendmsg+0xee/0x170 [16078.127453][ T7704] __sys_sendmsg+0xcd/0x170 [16078.127453][ T7704] do_syscall_64+0xc6/0x1e0 [16078.127453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16078.127453][ T7704] [16078.129681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16078.129681][ T7704] netdev_get_by_index+0x5e/0x80 [16078.129681][ T7704] fib6_nh_init+0x3d8/0x15b0 [16078.129681][ T7704] ip6_route_info_create+0xf18/0x17d0 [16078.129681][ T7704] addrconf_f6i_alloc+0x315/0x560 [16078.129681][ T7704] ipv6_add_addr+0x411/0x2000 [16078.129681][ T7704] inet6_addr_add+0x30e/0xa40 [16078.129681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16078.129681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16078.129681][ T7704] netlink_rcv_skb+0x130/0x360 [16078.129681][ T7704] netlink_unicast+0x449/0x710 [16078.129681][ T7704] netlink_sendmsg+0x723/0xbe0 [16078.129681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16078.129681][ T7704] ___sys_sendmsg+0xee/0x170 [16078.129681][ T7704] __sys_sendmsg+0xcd/0x170 [16078.129681][ T7704] do_syscall_64+0xc6/0x1e0 [16078.129681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16078.129681][ T7704] [16078.131893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16078.131893][ T7704] netdev_get_by_index+0x5e/0x80 [16078.131893][ T7704] fib6_nh_init+0x3d8/0x15b0 [16078.131893][ T7704] ip6_route_info_create+0xf18/0x17d0 [16078.131893][ T7704] ip6_route_add+0x1c/0x140 [16078.131893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16078.131893][ T7704] addrconf_add_dev+0xe2/0x170 [16078.131893][ T7704] inet6_addr_add+0x12f/0xa40 [16078.131893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16078.131893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16078.131893][ T7704] netlink_rcv_skb+0x130/0x360 [16078.131893][ T7704] netlink_unicast+0x449/0x710 [16078.131893][ T7704] netlink_sendmsg+0x723/0xbe0 [16078.131893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16078.131893][ T7704] ___sys_sendmsg+0xee/0x170 [16078.131893][ T7704] __sys_sendmsg+0xcd/0x170 [16078.131893][ T7704] do_syscall_64+0xc6/0x1e0 [16078.131893][ T7704] [16078.134066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16078.134066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16078.134066][ T7704] ipv6_find_idev+0x102/0x170 [16078.134066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16078.134066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16078.134066][ T7704] netlink_rcv_skb+0x130/0x360 [16078.134066][ T7704] netlink_unicast+0x449/0x710 [16078.134066][ T7704] netlink_sendmsg+0x723/0xbe0 [16078.134066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16078.134066][ T7704] ___sys_sendmsg+0xee/0x170 [16078.134066][ T7704] __sys_sendmsg+0xcd/0x170 [16078.134066][ T7704] do_syscall_64+0xc6/0x1e0 [16078.134066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16078.134066][ T7704] [16078.135776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16078.135776][ T7704] neigh_parms_alloc+0x1e5/0x510 [16078.135776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16078.135776][ T7704] ipv6_find_idev+0x102/0x170 [16078.135776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16078.135776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16078.135776][ T7704] netlink_rcv_skb+0x130/0x360 [16078.135776][ T7704] netlink_unicast+0x449/0x710 [16078.135776][ T7704] netlink_sendmsg+0x723/0xbe0 [16078.135776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16078.135776][ T7704] ___sys_sendmsg+0xee/0x170 [16078.135776][ T7704] __sys_sendmsg+0xcd/0x170 [16078.135776][ T7704] do_syscall_64+0xc6/0x1e0 [16078.135776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16078.135776][ T7704] [16088.374932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16088.375397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16088.375397][ T7704] netdev_get_by_index+0x5e/0x80 [16088.375397][ T7704] fib6_nh_init+0x3d8/0x15b0 [16088.375397][ T7704] ip6_route_info_create+0xf18/0x17d0 [16088.375397][ T7704] ip6_route_add+0x1c/0x140 [16088.375397][ T7704] addrconf_prefix_route+0x2a6/0x430 [16088.375397][ T7704] inet6_addr_add+0x4f8/0xa40 [16088.375397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16088.375397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16088.375397][ T7704] netlink_rcv_skb+0x130/0x360 [16088.375397][ T7704] netlink_unicast+0x449/0x710 [16088.375397][ T7704] netlink_sendmsg+0x723/0xbe0 [16088.375397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16088.375397][ T7704] ___sys_sendmsg+0xee/0x170 [16088.375397][ T7704] __sys_sendmsg+0xcd/0x170 [16088.375397][ T7704] do_syscall_64+0xc6/0x1e0 [16088.375397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16088.375397][ T7704] [16088.377594][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16088.377594][ T7704] netdev_get_by_index+0x5e/0x80 [16088.377594][ T7704] fib6_nh_init+0x3d8/0x15b0 [16088.377594][ T7704] ip6_route_info_create+0xf18/0x17d0 [16088.377594][ T7704] addrconf_f6i_alloc+0x315/0x560 [16088.377594][ T7704] ipv6_add_addr+0x411/0x2000 [16088.377594][ T7704] inet6_addr_add+0x30e/0xa40 [16088.377594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16088.377594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16088.377594][ T7704] netlink_rcv_skb+0x130/0x360 [16088.377594][ T7704] netlink_unicast+0x449/0x710 [16088.377594][ T7704] netlink_sendmsg+0x723/0xbe0 [16088.377594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16088.377594][ T7704] ___sys_sendmsg+0xee/0x170 [16088.377594][ T7704] __sys_sendmsg+0xcd/0x170 [16088.377594][ T7704] do_syscall_64+0xc6/0x1e0 [16088.377594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16088.377594][ T7704] [16088.379796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16088.379796][ T7704] netdev_get_by_index+0x5e/0x80 [16088.379796][ T7704] fib6_nh_init+0x3d8/0x15b0 [16088.379796][ T7704] ip6_route_info_create+0xf18/0x17d0 [16088.379796][ T7704] ip6_route_add+0x1c/0x140 [16088.379796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16088.379796][ T7704] addrconf_add_dev+0xe2/0x170 [16088.379796][ T7704] inet6_addr_add+0x12f/0xa40 [16088.379796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16088.379796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16088.379796][ T7704] netlink_rcv_skb+0x130/0x360 [16088.379796][ T7704] netlink_unicast+0x449/0x710 [16088.379796][ T7704] netlink_sendmsg+0x723/0xbe0 [16088.379796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16088.379796][ T7704] ___sys_sendmsg+0xee/0x170 [16088.379796][ T7704] __sys_sendmsg+0xcd/0x170 [16088.379796][ T7704] do_syscall_64+0xc6/0x1e0 [16088.379796][ T7704] [16088.381935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16088.381935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16088.381935][ T7704] ipv6_find_idev+0x102/0x170 [16088.381935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16088.381935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16088.381935][ T7704] netlink_rcv_skb+0x130/0x360 [16088.381935][ T7704] netlink_unicast+0x449/0x710 [16088.381935][ T7704] netlink_sendmsg+0x723/0xbe0 [16088.381935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16088.381935][ T7704] ___sys_sendmsg+0xee/0x170 [16088.381935][ T7704] __sys_sendmsg+0xcd/0x170 [16088.381935][ T7704] do_syscall_64+0xc6/0x1e0 [16088.381935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16088.381935][ T7704] [16088.383596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16088.383596][ T7704] neigh_parms_alloc+0x1e5/0x510 [16088.383596][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16088.383596][ T7704] ipv6_find_idev+0x102/0x170 [16088.383596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16088.383596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16088.383596][ T7704] netlink_rcv_skb+0x130/0x360 [16088.383596][ T7704] netlink_unicast+0x449/0x710 [16088.383596][ T7704] netlink_sendmsg+0x723/0xbe0 [16088.383596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16088.383596][ T7704] ___sys_sendmsg+0xee/0x170 [16088.383596][ T7704] __sys_sendmsg+0xcd/0x170 [16088.383596][ T7704] do_syscall_64+0xc6/0x1e0 [16088.383596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16088.383596][ T7704] [16098.622935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16098.623353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16098.623353][ T7704] netdev_get_by_index+0x5e/0x80 [16098.623353][ T7704] fib6_nh_init+0x3d8/0x15b0 [16098.623353][ T7704] ip6_route_info_create+0xf18/0x17d0 [16098.623353][ T7704] ip6_route_add+0x1c/0x140 [16098.623353][ T7704] addrconf_prefix_route+0x2a6/0x430 [16098.623353][ T7704] inet6_addr_add+0x4f8/0xa40 [16098.623353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16098.623353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16098.623353][ T7704] netlink_rcv_skb+0x130/0x360 [16098.623353][ T7704] netlink_unicast+0x449/0x710 [16098.623353][ T7704] netlink_sendmsg+0x723/0xbe0 [16098.623353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16098.623353][ T7704] ___sys_sendmsg+0xee/0x170 [16098.623353][ T7704] __sys_sendmsg+0xcd/0x170 [16098.623353][ T7704] do_syscall_64+0xc6/0x1e0 [16098.623353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16098.623353][ T7704] [16098.625575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16098.625575][ T7704] netdev_get_by_index+0x5e/0x80 [16098.625575][ T7704] fib6_nh_init+0x3d8/0x15b0 [16098.625575][ T7704] ip6_route_info_create+0xf18/0x17d0 [16098.625575][ T7704] addrconf_f6i_alloc+0x315/0x560 [16098.625575][ T7704] ipv6_add_addr+0x411/0x2000 [16098.625575][ T7704] inet6_addr_add+0x30e/0xa40 [16098.625575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16098.625575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16098.625575][ T7704] netlink_rcv_skb+0x130/0x360 [16098.625575][ T7704] netlink_unicast+0x449/0x710 [16098.625575][ T7704] netlink_sendmsg+0x723/0xbe0 [16098.625575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16098.625575][ T7704] ___sys_sendmsg+0xee/0x170 [16098.625575][ T7704] __sys_sendmsg+0xcd/0x170 [16098.625575][ T7704] do_syscall_64+0xc6/0x1e0 [16098.625575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16098.625575][ T7704] [16098.627802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16098.627802][ T7704] netdev_get_by_index+0x5e/0x80 [16098.627802][ T7704] fib6_nh_init+0x3d8/0x15b0 [16098.627802][ T7704] ip6_route_info_create+0xf18/0x17d0 [16098.627802][ T7704] ip6_route_add+0x1c/0x140 [16098.627802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16098.627802][ T7704] addrconf_add_dev+0xe2/0x170 [16098.627802][ T7704] inet6_addr_add+0x12f/0xa40 [16098.627802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16098.627802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16098.627802][ T7704] netlink_rcv_skb+0x130/0x360 [16098.627802][ T7704] netlink_unicast+0x449/0x710 [16098.627802][ T7704] netlink_sendmsg+0x723/0xbe0 [16098.627802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16098.627802][ T7704] ___sys_sendmsg+0xee/0x170 [16098.627802][ T7704] __sys_sendmsg+0xcd/0x170 [16098.627802][ T7704] do_syscall_64+0xc6/0x1e0 [16098.627802][ T7704] [16098.629917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16098.629917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16098.629917][ T7704] ipv6_find_idev+0x102/0x170 [16098.629917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16098.629917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16098.629917][ T7704] netlink_rcv_skb+0x130/0x360 [16098.629917][ T7704] netlink_unicast+0x449/0x710 [16098.629917][ T7704] netlink_sendmsg+0x723/0xbe0 [16098.629917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16098.629917][ T7704] ___sys_sendmsg+0xee/0x170 [16098.629917][ T7704] __sys_sendmsg+0xcd/0x170 [16098.629917][ T7704] do_syscall_64+0xc6/0x1e0 [16098.629917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16098.629917][ T7704] [16098.631575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16098.631575][ T7704] neigh_parms_alloc+0x1e5/0x510 [16098.631575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16098.631575][ T7704] ipv6_find_idev+0x102/0x170 [16098.631575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16098.631575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16098.631575][ T7704] netlink_rcv_skb+0x130/0x360 [16098.631575][ T7704] netlink_unicast+0x449/0x710 [16098.631575][ T7704] netlink_sendmsg+0x723/0xbe0 [16098.631575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16098.631575][ T7704] ___sys_sendmsg+0xee/0x170 [16098.631575][ T7704] __sys_sendmsg+0xcd/0x170 [16098.631575][ T7704] do_syscall_64+0xc6/0x1e0 [16098.631575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16098.631575][ T7704] [16108.870941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16108.871397][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16108.871397][ T7704] netdev_get_by_index+0x5e/0x80 [16108.871397][ T7704] fib6_nh_init+0x3d8/0x15b0 [16108.871397][ T7704] ip6_route_info_create+0xf18/0x17d0 [16108.871397][ T7704] ip6_route_add+0x1c/0x140 [16108.871397][ T7704] addrconf_prefix_route+0x2a6/0x430 [16108.871397][ T7704] inet6_addr_add+0x4f8/0xa40 [16108.871397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16108.871397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16108.871397][ T7704] netlink_rcv_skb+0x130/0x360 [16108.871397][ T7704] netlink_unicast+0x449/0x710 [16108.871397][ T7704] netlink_sendmsg+0x723/0xbe0 [16108.871397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16108.871397][ T7704] ___sys_sendmsg+0xee/0x170 [16108.871397][ T7704] __sys_sendmsg+0xcd/0x170 [16108.871397][ T7704] do_syscall_64+0xc6/0x1e0 [16108.871397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16108.871397][ T7704] [16108.873856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16108.873856][ T7704] netdev_get_by_index+0x5e/0x80 [16108.873856][ T7704] fib6_nh_init+0x3d8/0x15b0 [16108.873856][ T7704] ip6_route_info_create+0xf18/0x17d0 [16108.873856][ T7704] addrconf_f6i_alloc+0x315/0x560 [16108.873856][ T7704] ipv6_add_addr+0x411/0x2000 [16108.873856][ T7704] inet6_addr_add+0x30e/0xa40 [16108.873856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16108.873856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16108.873856][ T7704] netlink_rcv_skb+0x130/0x360 [16108.873856][ T7704] netlink_unicast+0x449/0x710 [16108.873856][ T7704] netlink_sendmsg+0x723/0xbe0 [16108.873856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16108.873856][ T7704] ___sys_sendmsg+0xee/0x170 [16108.873856][ T7704] __sys_sendmsg+0xcd/0x170 [16108.873856][ T7704] do_syscall_64+0xc6/0x1e0 [16108.873856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16108.873856][ T7704] [16108.876805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16108.876805][ T7704] netdev_get_by_index+0x5e/0x80 [16108.876805][ T7704] fib6_nh_init+0x3d8/0x15b0 [16108.876805][ T7704] ip6_route_info_create+0xf18/0x17d0 [16108.876805][ T7704] ip6_route_add+0x1c/0x140 [16108.876805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16108.876805][ T7704] addrconf_add_dev+0xe2/0x170 [16108.876805][ T7704] inet6_addr_add+0x12f/0xa40 [16108.876805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16108.876805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16108.876805][ T7704] netlink_rcv_skb+0x130/0x360 [16108.876805][ T7704] netlink_unicast+0x449/0x710 [16108.876805][ T7704] netlink_sendmsg+0x723/0xbe0 [16108.876805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16108.876805][ T7704] ___sys_sendmsg+0xee/0x170 [16108.876805][ T7704] __sys_sendmsg+0xcd/0x170 [16108.876805][ T7704] do_syscall_64+0xc6/0x1e0 [16108.876805][ T7704] [16108.879814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16108.879814][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16108.879814][ T7704] ipv6_find_idev+0x102/0x170 [16108.879814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16108.879814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16108.879814][ T7704] netlink_rcv_skb+0x130/0x360 [16108.879814][ T7704] netlink_unicast+0x449/0x710 [16108.879814][ T7704] netlink_sendmsg+0x723/0xbe0 [16108.879814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16108.879814][ T7704] ___sys_sendmsg+0xee/0x170 [16108.879814][ T7704] __sys_sendmsg+0xcd/0x170 [16108.879814][ T7704] do_syscall_64+0xc6/0x1e0 [16108.879814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16108.879814][ T7704] [16108.881642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16108.881642][ T7704] neigh_parms_alloc+0x1e5/0x510 [16108.881642][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16108.881642][ T7704] ipv6_find_idev+0x102/0x170 [16108.881642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16108.881642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16108.881642][ T7704] netlink_rcv_skb+0x130/0x360 [16108.881642][ T7704] netlink_unicast+0x449/0x710 [16108.881642][ T7704] netlink_sendmsg+0x723/0xbe0 [16108.881642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16108.881642][ T7704] ___sys_sendmsg+0xee/0x170 [16108.881642][ T7704] __sys_sendmsg+0xcd/0x170 [16108.881642][ T7704] do_syscall_64+0xc6/0x1e0 [16108.881642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16108.881642][ T7704] [16119.094967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16119.095462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16119.095462][ T7704] netdev_get_by_index+0x5e/0x80 [16119.095462][ T7704] fib6_nh_init+0x3d8/0x15b0 [16119.095462][ T7704] ip6_route_info_create+0xf18/0x17d0 [16119.095462][ T7704] ip6_route_add+0x1c/0x140 [16119.095462][ T7704] addrconf_prefix_route+0x2a6/0x430 [16119.095462][ T7704] inet6_addr_add+0x4f8/0xa40 [16119.095462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16119.095462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16119.095462][ T7704] netlink_rcv_skb+0x130/0x360 [16119.095462][ T7704] netlink_unicast+0x449/0x710 [16119.095462][ T7704] netlink_sendmsg+0x723/0xbe0 [16119.095462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16119.095462][ T7704] ___sys_sendmsg+0xee/0x170 [16119.095462][ T7704] __sys_sendmsg+0xcd/0x170 [16119.095462][ T7704] do_syscall_64+0xc6/0x1e0 [16119.095462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16119.095462][ T7704] [16119.098217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16119.098217][ T7704] netdev_get_by_index+0x5e/0x80 [16119.098217][ T7704] fib6_nh_init+0x3d8/0x15b0 [16119.098217][ T7704] ip6_route_info_create+0xf18/0x17d0 [16119.098217][ T7704] addrconf_f6i_alloc+0x315/0x560 [16119.098217][ T7704] ipv6_add_addr+0x411/0x2000 [16119.098217][ T7704] inet6_addr_add+0x30e/0xa40 [16119.098217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16119.098217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16119.098217][ T7704] netlink_rcv_skb+0x130/0x360 [16119.098217][ T7704] netlink_unicast+0x449/0x710 [16119.098217][ T7704] netlink_sendmsg+0x723/0xbe0 [16119.098217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16119.098217][ T7704] ___sys_sendmsg+0xee/0x170 [16119.098217][ T7704] __sys_sendmsg+0xcd/0x170 [16119.098217][ T7704] do_syscall_64+0xc6/0x1e0 [16119.098217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16119.098217][ T7704] [16119.100930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16119.100930][ T7704] netdev_get_by_index+0x5e/0x80 [16119.100930][ T7704] fib6_nh_init+0x3d8/0x15b0 [16119.100930][ T7704] ip6_route_info_create+0xf18/0x17d0 [16119.100930][ T7704] ip6_route_add+0x1c/0x140 [16119.100930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16119.100930][ T7704] addrconf_add_dev+0xe2/0x170 [16119.100930][ T7704] inet6_addr_add+0x12f/0xa40 [16119.100930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16119.100930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16119.100930][ T7704] netlink_rcv_skb+0x130/0x360 [16119.100930][ T7704] netlink_unicast+0x449/0x710 [16119.100930][ T7704] netlink_sendmsg+0x723/0xbe0 [16119.100930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16119.100930][ T7704] ___sys_sendmsg+0xee/0x170 [16119.100930][ T7704] __sys_sendmsg+0xcd/0x170 [16119.100930][ T7704] do_syscall_64+0xc6/0x1e0 [16119.100930][ T7704] [16119.103601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16119.103601][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16119.103601][ T7704] ipv6_find_idev+0x102/0x170 [16119.103601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16119.103601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16119.103601][ T7704] netlink_rcv_skb+0x130/0x360 [16119.103601][ T7704] netlink_unicast+0x449/0x710 [16119.103601][ T7704] netlink_sendmsg+0x723/0xbe0 [16119.103601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16119.103601][ T7704] ___sys_sendmsg+0xee/0x170 [16119.103601][ T7704] __sys_sendmsg+0xcd/0x170 [16119.103601][ T7704] do_syscall_64+0xc6/0x1e0 [16119.103601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16119.103601][ T7704] [16119.105702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16119.105702][ T7704] neigh_parms_alloc+0x1e5/0x510 [16119.105702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16119.105702][ T7704] ipv6_find_idev+0x102/0x170 [16119.105702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16119.105702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16119.105702][ T7704] netlink_rcv_skb+0x130/0x360 [16119.105702][ T7704] netlink_unicast+0x449/0x710 [16119.105702][ T7704] netlink_sendmsg+0x723/0xbe0 [16119.105702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16119.105702][ T7704] ___sys_sendmsg+0xee/0x170 [16119.105702][ T7704] __sys_sendmsg+0xcd/0x170 [16119.105702][ T7704] do_syscall_64+0xc6/0x1e0 [16119.105702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16119.105702][ T7704] [16129.310932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16129.311398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16129.311398][ T7704] netdev_get_by_index+0x5e/0x80 [16129.311398][ T7704] fib6_nh_init+0x3d8/0x15b0 [16129.311398][ T7704] ip6_route_info_create+0xf18/0x17d0 [16129.311398][ T7704] ip6_route_add+0x1c/0x140 [16129.311398][ T7704] addrconf_prefix_route+0x2a6/0x430 [16129.311398][ T7704] inet6_addr_add+0x4f8/0xa40 [16129.311398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16129.311398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16129.311398][ T7704] netlink_rcv_skb+0x130/0x360 [16129.311398][ T7704] netlink_unicast+0x449/0x710 [16129.311398][ T7704] netlink_sendmsg+0x723/0xbe0 [16129.311398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16129.311398][ T7704] ___sys_sendmsg+0xee/0x170 [16129.311398][ T7704] __sys_sendmsg+0xcd/0x170 [16129.311398][ T7704] do_syscall_64+0xc6/0x1e0 [16129.311398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16129.311398][ T7704] [16129.313641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16129.313641][ T7704] netdev_get_by_index+0x5e/0x80 [16129.313641][ T7704] fib6_nh_init+0x3d8/0x15b0 [16129.313641][ T7704] ip6_route_info_create+0xf18/0x17d0 [16129.313641][ T7704] addrconf_f6i_alloc+0x315/0x560 [16129.313641][ T7704] ipv6_add_addr+0x411/0x2000 [16129.313641][ T7704] inet6_addr_add+0x30e/0xa40 [16129.313641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16129.313641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16129.313641][ T7704] netlink_rcv_skb+0x130/0x360 [16129.313641][ T7704] netlink_unicast+0x449/0x710 [16129.313641][ T7704] netlink_sendmsg+0x723/0xbe0 [16129.313641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16129.313641][ T7704] ___sys_sendmsg+0xee/0x170 [16129.313641][ T7704] __sys_sendmsg+0xcd/0x170 [16129.313641][ T7704] do_syscall_64+0xc6/0x1e0 [16129.313641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16129.313641][ T7704] [16129.315880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16129.315880][ T7704] netdev_get_by_index+0x5e/0x80 [16129.315880][ T7704] fib6_nh_init+0x3d8/0x15b0 [16129.315880][ T7704] ip6_route_info_create+0xf18/0x17d0 [16129.315880][ T7704] ip6_route_add+0x1c/0x140 [16129.315880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16129.315880][ T7704] addrconf_add_dev+0xe2/0x170 [16129.315880][ T7704] inet6_addr_add+0x12f/0xa40 [16129.315880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16129.315880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16129.315880][ T7704] netlink_rcv_skb+0x130/0x360 [16129.315880][ T7704] netlink_unicast+0x449/0x710 [16129.315880][ T7704] netlink_sendmsg+0x723/0xbe0 [16129.315880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16129.315880][ T7704] ___sys_sendmsg+0xee/0x170 [16129.315880][ T7704] __sys_sendmsg+0xcd/0x170 [16129.315880][ T7704] do_syscall_64+0xc6/0x1e0 [16129.315880][ T7704] [16129.318036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16129.318036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16129.318036][ T7704] ipv6_find_idev+0x102/0x170 [16129.318036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16129.318036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16129.318036][ T7704] netlink_rcv_skb+0x130/0x360 [16129.318036][ T7704] netlink_unicast+0x449/0x710 [16129.318036][ T7704] netlink_sendmsg+0x723/0xbe0 [16129.318036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16129.318036][ T7704] ___sys_sendmsg+0xee/0x170 [16129.318036][ T7704] __sys_sendmsg+0xcd/0x170 [16129.318036][ T7704] do_syscall_64+0xc6/0x1e0 [16129.318036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16129.318036][ T7704] [16129.319712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16129.319712][ T7704] neigh_parms_alloc+0x1e5/0x510 [16129.319712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16129.319712][ T7704] ipv6_find_idev+0x102/0x170 [16129.319712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16129.319712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16129.319712][ T7704] netlink_rcv_skb+0x130/0x360 [16129.319712][ T7704] netlink_unicast+0x449/0x710 [16129.319712][ T7704] netlink_sendmsg+0x723/0xbe0 [16129.319712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16129.319712][ T7704] ___sys_sendmsg+0xee/0x170 [16129.319712][ T7704] __sys_sendmsg+0xcd/0x170 [16129.319712][ T7704] do_syscall_64+0xc6/0x1e0 [16129.319712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16129.319712][ T7704] [16139.566935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16139.567350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16139.567350][ T7704] netdev_get_by_index+0x5e/0x80 [16139.567350][ T7704] fib6_nh_init+0x3d8/0x15b0 [16139.567350][ T7704] ip6_route_info_create+0xf18/0x17d0 [16139.567350][ T7704] ip6_route_add+0x1c/0x140 [16139.567350][ T7704] addrconf_prefix_route+0x2a6/0x430 [16139.567350][ T7704] inet6_addr_add+0x4f8/0xa40 [16139.567350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16139.567350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16139.567350][ T7704] netlink_rcv_skb+0x130/0x360 [16139.567350][ T7704] netlink_unicast+0x449/0x710 [16139.567350][ T7704] netlink_sendmsg+0x723/0xbe0 [16139.567350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16139.567350][ T7704] ___sys_sendmsg+0xee/0x170 [16139.567350][ T7704] __sys_sendmsg+0xcd/0x170 [16139.567350][ T7704] do_syscall_64+0xc6/0x1e0 [16139.567350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16139.567350][ T7704] [16139.569562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16139.569562][ T7704] netdev_get_by_index+0x5e/0x80 [16139.569562][ T7704] fib6_nh_init+0x3d8/0x15b0 [16139.569562][ T7704] ip6_route_info_create+0xf18/0x17d0 [16139.569562][ T7704] addrconf_f6i_alloc+0x315/0x560 [16139.569562][ T7704] ipv6_add_addr+0x411/0x2000 [16139.569562][ T7704] inet6_addr_add+0x30e/0xa40 [16139.569562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16139.569562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16139.569562][ T7704] netlink_rcv_skb+0x130/0x360 [16139.569562][ T7704] netlink_unicast+0x449/0x710 [16139.569562][ T7704] netlink_sendmsg+0x723/0xbe0 [16139.569562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16139.569562][ T7704] ___sys_sendmsg+0xee/0x170 [16139.569562][ T7704] __sys_sendmsg+0xcd/0x170 [16139.569562][ T7704] do_syscall_64+0xc6/0x1e0 [16139.569562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16139.569562][ T7704] [16139.571743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16139.571743][ T7704] netdev_get_by_index+0x5e/0x80 [16139.571743][ T7704] fib6_nh_init+0x3d8/0x15b0 [16139.571743][ T7704] ip6_route_info_create+0xf18/0x17d0 [16139.571743][ T7704] ip6_route_add+0x1c/0x140 [16139.571743][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16139.571743][ T7704] addrconf_add_dev+0xe2/0x170 [16139.571743][ T7704] inet6_addr_add+0x12f/0xa40 [16139.571743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16139.571743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16139.571743][ T7704] netlink_rcv_skb+0x130/0x360 [16139.571743][ T7704] netlink_unicast+0x449/0x710 [16139.571743][ T7704] netlink_sendmsg+0x723/0xbe0 [16139.571743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16139.571743][ T7704] ___sys_sendmsg+0xee/0x170 [16139.571743][ T7704] __sys_sendmsg+0xcd/0x170 [16139.571743][ T7704] do_syscall_64+0xc6/0x1e0 [16139.571743][ T7704] [16139.573868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16139.573868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16139.573868][ T7704] ipv6_find_idev+0x102/0x170 [16139.573868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16139.573868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16139.573868][ T7704] netlink_rcv_skb+0x130/0x360 [16139.573868][ T7704] netlink_unicast+0x449/0x710 [16139.573868][ T7704] netlink_sendmsg+0x723/0xbe0 [16139.573868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16139.573868][ T7704] ___sys_sendmsg+0xee/0x170 [16139.573868][ T7704] __sys_sendmsg+0xcd/0x170 [16139.573868][ T7704] do_syscall_64+0xc6/0x1e0 [16139.573868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16139.573868][ T7704] [16139.575579][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16139.575579][ T7704] neigh_parms_alloc+0x1e5/0x510 [16139.575579][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16139.575579][ T7704] ipv6_find_idev+0x102/0x170 [16139.575579][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16139.575579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16139.575579][ T7704] netlink_rcv_skb+0x130/0x360 [16139.575579][ T7704] netlink_unicast+0x449/0x710 [16139.575579][ T7704] netlink_sendmsg+0x723/0xbe0 [16139.575579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16139.575579][ T7704] ___sys_sendmsg+0xee/0x170 [16139.575579][ T7704] __sys_sendmsg+0xcd/0x170 [16139.575579][ T7704] do_syscall_64+0xc6/0x1e0 [16139.575579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16139.575579][ T7704] [16149.822869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16149.823323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16149.823323][ T7704] netdev_get_by_index+0x5e/0x80 [16149.823323][ T7704] fib6_nh_init+0x3d8/0x15b0 [16149.823323][ T7704] ip6_route_info_create+0xf18/0x17d0 [16149.823323][ T7704] ip6_route_add+0x1c/0x140 [16149.823323][ T7704] addrconf_prefix_route+0x2a6/0x430 [16149.823323][ T7704] inet6_addr_add+0x4f8/0xa40 [16149.823323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16149.823323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16149.823323][ T7704] netlink_rcv_skb+0x130/0x360 [16149.823323][ T7704] netlink_unicast+0x449/0x710 [16149.823323][ T7704] netlink_sendmsg+0x723/0xbe0 [16149.823323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16149.823323][ T7704] ___sys_sendmsg+0xee/0x170 [16149.823323][ T7704] __sys_sendmsg+0xcd/0x170 [16149.823323][ T7704] do_syscall_64+0xc6/0x1e0 [16149.823323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16149.823323][ T7704] [16149.825814][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16149.825814][ T7704] netdev_get_by_index+0x5e/0x80 [16149.825814][ T7704] fib6_nh_init+0x3d8/0x15b0 [16149.825814][ T7704] ip6_route_info_create+0xf18/0x17d0 [16149.825814][ T7704] addrconf_f6i_alloc+0x315/0x560 [16149.825814][ T7704] ipv6_add_addr+0x411/0x2000 [16149.825814][ T7704] inet6_addr_add+0x30e/0xa40 [16149.825814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16149.825814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16149.825814][ T7704] netlink_rcv_skb+0x130/0x360 [16149.825814][ T7704] netlink_unicast+0x449/0x710 [16149.825814][ T7704] netlink_sendmsg+0x723/0xbe0 [16149.825814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16149.825814][ T7704] ___sys_sendmsg+0xee/0x170 [16149.825814][ T7704] __sys_sendmsg+0xcd/0x170 [16149.825814][ T7704] do_syscall_64+0xc6/0x1e0 [16149.825814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16149.825814][ T7704] [16149.828249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16149.828249][ T7704] netdev_get_by_index+0x5e/0x80 [16149.828249][ T7704] fib6_nh_init+0x3d8/0x15b0 [16149.828249][ T7704] ip6_route_info_create+0xf18/0x17d0 [16149.828249][ T7704] ip6_route_add+0x1c/0x140 [16149.828249][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16149.828249][ T7704] addrconf_add_dev+0xe2/0x170 [16149.828249][ T7704] inet6_addr_add+0x12f/0xa40 [16149.828249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16149.828249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16149.828249][ T7704] netlink_rcv_skb+0x130/0x360 [16149.828249][ T7704] netlink_unicast+0x449/0x710 [16149.828249][ T7704] netlink_sendmsg+0x723/0xbe0 [16149.828249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16149.828249][ T7704] ___sys_sendmsg+0xee/0x170 [16149.828249][ T7704] __sys_sendmsg+0xcd/0x170 [16149.828249][ T7704] do_syscall_64+0xc6/0x1e0 [16149.828249][ T7704] [16149.830428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16149.830428][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16149.830428][ T7704] ipv6_find_idev+0x102/0x170 [16149.830428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16149.830428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16149.830428][ T7704] netlink_rcv_skb+0x130/0x360 [16149.830428][ T7704] netlink_unicast+0x449/0x710 [16149.830428][ T7704] netlink_sendmsg+0x723/0xbe0 [16149.830428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16149.830428][ T7704] ___sys_sendmsg+0xee/0x170 [16149.830428][ T7704] __sys_sendmsg+0xcd/0x170 [16149.830428][ T7704] do_syscall_64+0xc6/0x1e0 [16149.830428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16149.830428][ T7704] [16149.832134][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16149.832134][ T7704] neigh_parms_alloc+0x1e5/0x510 [16149.832134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16149.832134][ T7704] ipv6_find_idev+0x102/0x170 [16149.832134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16149.832134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16149.832134][ T7704] netlink_rcv_skb+0x130/0x360 [16149.832134][ T7704] netlink_unicast+0x449/0x710 [16149.832134][ T7704] netlink_sendmsg+0x723/0xbe0 [16149.832134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16149.832134][ T7704] ___sys_sendmsg+0xee/0x170 [16149.832134][ T7704] __sys_sendmsg+0xcd/0x170 [16149.832134][ T7704] do_syscall_64+0xc6/0x1e0 [16149.832134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16149.832134][ T7704] [16160.086949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16160.087429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16160.087429][ T7704] netdev_get_by_index+0x5e/0x80 [16160.087429][ T7704] fib6_nh_init+0x3d8/0x15b0 [16160.087429][ T7704] ip6_route_info_create+0xf18/0x17d0 [16160.087429][ T7704] ip6_route_add+0x1c/0x140 [16160.087429][ T7704] addrconf_prefix_route+0x2a6/0x430 [16160.087429][ T7704] inet6_addr_add+0x4f8/0xa40 [16160.087429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16160.087429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16160.087429][ T7704] netlink_rcv_skb+0x130/0x360 [16160.087429][ T7704] netlink_unicast+0x449/0x710 [16160.087429][ T7704] netlink_sendmsg+0x723/0xbe0 [16160.087429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16160.087429][ T7704] ___sys_sendmsg+0xee/0x170 [16160.087429][ T7704] __sys_sendmsg+0xcd/0x170 [16160.087429][ T7704] do_syscall_64+0xc6/0x1e0 [16160.087429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16160.087429][ T7704] [16160.089675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16160.089675][ T7704] netdev_get_by_index+0x5e/0x80 [16160.089675][ T7704] fib6_nh_init+0x3d8/0x15b0 [16160.089675][ T7704] ip6_route_info_create+0xf18/0x17d0 [16160.089675][ T7704] addrconf_f6i_alloc+0x315/0x560 [16160.089675][ T7704] ipv6_add_addr+0x411/0x2000 [16160.089675][ T7704] inet6_addr_add+0x30e/0xa40 [16160.089675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16160.089675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16160.089675][ T7704] netlink_rcv_skb+0x130/0x360 [16160.089675][ T7704] netlink_unicast+0x449/0x710 [16160.089675][ T7704] netlink_sendmsg+0x723/0xbe0 [16160.089675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16160.089675][ T7704] ___sys_sendmsg+0xee/0x170 [16160.089675][ T7704] __sys_sendmsg+0xcd/0x170 [16160.089675][ T7704] do_syscall_64+0xc6/0x1e0 [16160.089675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16160.089675][ T7704] [16160.091885][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16160.091885][ T7704] netdev_get_by_index+0x5e/0x80 [16160.091885][ T7704] fib6_nh_init+0x3d8/0x15b0 [16160.091885][ T7704] ip6_route_info_create+0xf18/0x17d0 [16160.091885][ T7704] ip6_route_add+0x1c/0x140 [16160.091885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16160.091885][ T7704] addrconf_add_dev+0xe2/0x170 [16160.091885][ T7704] inet6_addr_add+0x12f/0xa40 [16160.091885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16160.091885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16160.091885][ T7704] netlink_rcv_skb+0x130/0x360 [16160.091885][ T7704] netlink_unicast+0x449/0x710 [16160.091885][ T7704] netlink_sendmsg+0x723/0xbe0 [16160.091885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16160.091885][ T7704] ___sys_sendmsg+0xee/0x170 [16160.091885][ T7704] __sys_sendmsg+0xcd/0x170 [16160.091885][ T7704] do_syscall_64+0xc6/0x1e0 [16160.091885][ T7704] [16160.094060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16160.094060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16160.094060][ T7704] ipv6_find_idev+0x102/0x170 [16160.094060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16160.094060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16160.094060][ T7704] netlink_rcv_skb+0x130/0x360 [16160.094060][ T7704] netlink_unicast+0x449/0x710 [16160.094060][ T7704] netlink_sendmsg+0x723/0xbe0 [16160.094060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16160.094060][ T7704] ___sys_sendmsg+0xee/0x170 [16160.094060][ T7704] __sys_sendmsg+0xcd/0x170 [16160.094060][ T7704] do_syscall_64+0xc6/0x1e0 [16160.094060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16160.094060][ T7704] [16160.095778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16160.095778][ T7704] neigh_parms_alloc+0x1e5/0x510 [16160.095778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16160.095778][ T7704] ipv6_find_idev+0x102/0x170 [16160.095778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16160.095778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16160.095778][ T7704] netlink_rcv_skb+0x130/0x360 [16160.095778][ T7704] netlink_unicast+0x449/0x710 [16160.095778][ T7704] netlink_sendmsg+0x723/0xbe0 [16160.095778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16160.095778][ T7704] ___sys_sendmsg+0xee/0x170 [16160.095778][ T7704] __sys_sendmsg+0xcd/0x170 [16160.095778][ T7704] do_syscall_64+0xc6/0x1e0 [16160.095778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16160.095778][ T7704] [16170.118933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16170.119401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16170.119401][ T7704] netdev_get_by_index+0x5e/0x80 [16170.119401][ T7704] fib6_nh_init+0x3d8/0x15b0 [16170.119401][ T7704] ip6_route_info_create+0xf18/0x17d0 [16170.119401][ T7704] ip6_route_add+0x1c/0x140 [16170.119401][ T7704] addrconf_prefix_route+0x2a6/0x430 [16170.119401][ T7704] inet6_addr_add+0x4f8/0xa40 [16170.119401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16170.119401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16170.119401][ T7704] netlink_rcv_skb+0x130/0x360 [16170.119401][ T7704] netlink_unicast+0x449/0x710 [16170.119401][ T7704] netlink_sendmsg+0x723/0xbe0 [16170.119401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16170.119401][ T7704] ___sys_sendmsg+0xee/0x170 [16170.119401][ T7704] __sys_sendmsg+0xcd/0x170 [16170.119401][ T7704] do_syscall_64+0xc6/0x1e0 [16170.119401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16170.119401][ T7704] [16170.121664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16170.121664][ T7704] netdev_get_by_index+0x5e/0x80 [16170.121664][ T7704] fib6_nh_init+0x3d8/0x15b0 [16170.121664][ T7704] ip6_route_info_create+0xf18/0x17d0 [16170.121664][ T7704] addrconf_f6i_alloc+0x315/0x560 [16170.121664][ T7704] ipv6_add_addr+0x411/0x2000 [16170.121664][ T7704] inet6_addr_add+0x30e/0xa40 [16170.121664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16170.121664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16170.121664][ T7704] netlink_rcv_skb+0x130/0x360 [16170.121664][ T7704] netlink_unicast+0x449/0x710 [16170.121664][ T7704] netlink_sendmsg+0x723/0xbe0 [16170.121664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16170.121664][ T7704] ___sys_sendmsg+0xee/0x170 [16170.121664][ T7704] __sys_sendmsg+0xcd/0x170 [16170.121664][ T7704] do_syscall_64+0xc6/0x1e0 [16170.121664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16170.121664][ T7704] [16170.123816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16170.123816][ T7704] netdev_get_by_index+0x5e/0x80 [16170.123816][ T7704] fib6_nh_init+0x3d8/0x15b0 [16170.123816][ T7704] ip6_route_info_create+0xf18/0x17d0 [16170.123816][ T7704] ip6_route_add+0x1c/0x140 [16170.123816][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16170.123816][ T7704] addrconf_add_dev+0xe2/0x170 [16170.123816][ T7704] inet6_addr_add+0x12f/0xa40 [16170.123816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16170.123816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16170.123816][ T7704] netlink_rcv_skb+0x130/0x360 [16170.123816][ T7704] netlink_unicast+0x449/0x710 [16170.123816][ T7704] netlink_sendmsg+0x723/0xbe0 [16170.123816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16170.123816][ T7704] ___sys_sendmsg+0xee/0x170 [16170.123816][ T7704] __sys_sendmsg+0xcd/0x170 [16170.123816][ T7704] do_syscall_64+0xc6/0x1e0 [16170.123816][ T7704] [16170.126004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16170.126004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16170.126004][ T7704] ipv6_find_idev+0x102/0x170 [16170.126004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16170.126004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16170.126004][ T7704] netlink_rcv_skb+0x130/0x360 [16170.126004][ T7704] netlink_unicast+0x449/0x710 [16170.126004][ T7704] netlink_sendmsg+0x723/0xbe0 [16170.126004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16170.126004][ T7704] ___sys_sendmsg+0xee/0x170 [16170.126004][ T7704] __sys_sendmsg+0xcd/0x170 [16170.126004][ T7704] do_syscall_64+0xc6/0x1e0 [16170.126004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16170.126004][ T7704] [16170.127706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16170.127706][ T7704] neigh_parms_alloc+0x1e5/0x510 [16170.127706][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16170.127706][ T7704] ipv6_find_idev+0x102/0x170 [16170.127706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16170.127706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16170.127706][ T7704] netlink_rcv_skb+0x130/0x360 [16170.127706][ T7704] netlink_unicast+0x449/0x710 [16170.127706][ T7704] netlink_sendmsg+0x723/0xbe0 [16170.127706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16170.127706][ T7704] ___sys_sendmsg+0xee/0x170 [16170.127706][ T7704] __sys_sendmsg+0xcd/0x170 [16170.127706][ T7704] do_syscall_64+0xc6/0x1e0 [16170.127706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16170.127706][ T7704] [16180.334970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16180.335450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16180.335450][ T7704] netdev_get_by_index+0x5e/0x80 [16180.335450][ T7704] fib6_nh_init+0x3d8/0x15b0 [16180.335450][ T7704] ip6_route_info_create+0xf18/0x17d0 [16180.335450][ T7704] ip6_route_add+0x1c/0x140 [16180.335450][ T7704] addrconf_prefix_route+0x2a6/0x430 [16180.335450][ T7704] inet6_addr_add+0x4f8/0xa40 [16180.335450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16180.335450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16180.335450][ T7704] netlink_rcv_skb+0x130/0x360 [16180.335450][ T7704] netlink_unicast+0x449/0x710 [16180.335450][ T7704] netlink_sendmsg+0x723/0xbe0 [16180.335450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16180.335450][ T7704] ___sys_sendmsg+0xee/0x170 [16180.335450][ T7704] __sys_sendmsg+0xcd/0x170 [16180.335450][ T7704] do_syscall_64+0xc6/0x1e0 [16180.335450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16180.335450][ T7704] [16180.337692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16180.337692][ T7704] netdev_get_by_index+0x5e/0x80 [16180.337692][ T7704] fib6_nh_init+0x3d8/0x15b0 [16180.337692][ T7704] ip6_route_info_create+0xf18/0x17d0 [16180.337692][ T7704] addrconf_f6i_alloc+0x315/0x560 [16180.337692][ T7704] ipv6_add_addr+0x411/0x2000 [16180.337692][ T7704] inet6_addr_add+0x30e/0xa40 [16180.337692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16180.337692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16180.337692][ T7704] netlink_rcv_skb+0x130/0x360 [16180.337692][ T7704] netlink_unicast+0x449/0x710 [16180.337692][ T7704] netlink_sendmsg+0x723/0xbe0 [16180.337692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16180.337692][ T7704] ___sys_sendmsg+0xee/0x170 [16180.337692][ T7704] __sys_sendmsg+0xcd/0x170 [16180.337692][ T7704] do_syscall_64+0xc6/0x1e0 [16180.337692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16180.337692][ T7704] [16180.339921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16180.339921][ T7704] netdev_get_by_index+0x5e/0x80 [16180.339921][ T7704] fib6_nh_init+0x3d8/0x15b0 [16180.339921][ T7704] ip6_route_info_create+0xf18/0x17d0 [16180.339921][ T7704] ip6_route_add+0x1c/0x140 [16180.339921][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16180.339921][ T7704] addrconf_add_dev+0xe2/0x170 [16180.339921][ T7704] inet6_addr_add+0x12f/0xa40 [16180.339921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16180.339921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16180.339921][ T7704] netlink_rcv_skb+0x130/0x360 [16180.339921][ T7704] netlink_unicast+0x449/0x710 [16180.339921][ T7704] netlink_sendmsg+0x723/0xbe0 [16180.339921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16180.339921][ T7704] ___sys_sendmsg+0xee/0x170 [16180.339921][ T7704] __sys_sendmsg+0xcd/0x170 [16180.339921][ T7704] do_syscall_64+0xc6/0x1e0 [16180.339921][ T7704] [16180.342099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16180.342099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16180.342099][ T7704] ipv6_find_idev+0x102/0x170 [16180.342099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16180.342099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16180.342099][ T7704] netlink_rcv_skb+0x130/0x360 [16180.342099][ T7704] netlink_unicast+0x449/0x710 [16180.342099][ T7704] netlink_sendmsg+0x723/0xbe0 [16180.342099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16180.342099][ T7704] ___sys_sendmsg+0xee/0x170 [16180.342099][ T7704] __sys_sendmsg+0xcd/0x170 [16180.342099][ T7704] do_syscall_64+0xc6/0x1e0 [16180.342099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16180.342099][ T7704] [16180.343806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16180.343806][ T7704] neigh_parms_alloc+0x1e5/0x510 [16180.343806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16180.343806][ T7704] ipv6_find_idev+0x102/0x170 [16180.343806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16180.343806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16180.343806][ T7704] netlink_rcv_skb+0x130/0x360 [16180.343806][ T7704] netlink_unicast+0x449/0x710 [16180.343806][ T7704] netlink_sendmsg+0x723/0xbe0 [16180.343806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16180.343806][ T7704] ___sys_sendmsg+0xee/0x170 [16180.343806][ T7704] __sys_sendmsg+0xcd/0x170 [16180.343806][ T7704] do_syscall_64+0xc6/0x1e0 [16180.343806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16180.343806][ T7704] [16190.582931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16190.583392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16190.583392][ T7704] netdev_get_by_index+0x5e/0x80 [16190.583392][ T7704] fib6_nh_init+0x3d8/0x15b0 [16190.583392][ T7704] ip6_route_info_create+0xf18/0x17d0 [16190.583392][ T7704] ip6_route_add+0x1c/0x140 [16190.583392][ T7704] addrconf_prefix_route+0x2a6/0x430 [16190.583392][ T7704] inet6_addr_add+0x4f8/0xa40 [16190.583392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16190.583392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16190.583392][ T7704] netlink_rcv_skb+0x130/0x360 [16190.583392][ T7704] netlink_unicast+0x449/0x710 [16190.583392][ T7704] netlink_sendmsg+0x723/0xbe0 [16190.583392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16190.583392][ T7704] ___sys_sendmsg+0xee/0x170 [16190.583392][ T7704] __sys_sendmsg+0xcd/0x170 [16190.583392][ T7704] do_syscall_64+0xc6/0x1e0 [16190.583392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16190.583392][ T7704] [16190.585642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16190.585642][ T7704] netdev_get_by_index+0x5e/0x80 [16190.585642][ T7704] fib6_nh_init+0x3d8/0x15b0 [16190.585642][ T7704] ip6_route_info_create+0xf18/0x17d0 [16190.585642][ T7704] addrconf_f6i_alloc+0x315/0x560 [16190.585642][ T7704] ipv6_add_addr+0x411/0x2000 [16190.585642][ T7704] inet6_addr_add+0x30e/0xa40 [16190.585642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16190.585642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16190.585642][ T7704] netlink_rcv_skb+0x130/0x360 [16190.585642][ T7704] netlink_unicast+0x449/0x710 [16190.585642][ T7704] netlink_sendmsg+0x723/0xbe0 [16190.585642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16190.585642][ T7704] ___sys_sendmsg+0xee/0x170 [16190.585642][ T7704] __sys_sendmsg+0xcd/0x170 [16190.585642][ T7704] do_syscall_64+0xc6/0x1e0 [16190.585642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16190.585642][ T7704] [16190.587869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16190.587869][ T7704] netdev_get_by_index+0x5e/0x80 [16190.587869][ T7704] fib6_nh_init+0x3d8/0x15b0 [16190.587869][ T7704] ip6_route_info_create+0xf18/0x17d0 [16190.587869][ T7704] ip6_route_add+0x1c/0x140 [16190.587869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16190.587869][ T7704] addrconf_add_dev+0xe2/0x170 [16190.587869][ T7704] inet6_addr_add+0x12f/0xa40 [16190.587869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16190.587869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16190.587869][ T7704] netlink_rcv_skb+0x130/0x360 [16190.587869][ T7704] netlink_unicast+0x449/0x710 [16190.587869][ T7704] netlink_sendmsg+0x723/0xbe0 [16190.587869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16190.587869][ T7704] ___sys_sendmsg+0xee/0x170 [16190.587869][ T7704] __sys_sendmsg+0xcd/0x170 [16190.587869][ T7704] do_syscall_64+0xc6/0x1e0 [16190.587869][ T7704] [16190.590066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16190.590066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16190.590066][ T7704] ipv6_find_idev+0x102/0x170 [16190.590066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16190.590066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16190.590066][ T7704] netlink_rcv_skb+0x130/0x360 [16190.590066][ T7704] netlink_unicast+0x449/0x710 [16190.590066][ T7704] netlink_sendmsg+0x723/0xbe0 [16190.590066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16190.590066][ T7704] ___sys_sendmsg+0xee/0x170 [16190.590066][ T7704] __sys_sendmsg+0xcd/0x170 [16190.590066][ T7704] do_syscall_64+0xc6/0x1e0 [16190.590066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16190.590066][ T7704] [16190.591783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16190.591783][ T7704] neigh_parms_alloc+0x1e5/0x510 [16190.591783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16190.591783][ T7704] ipv6_find_idev+0x102/0x170 [16190.591783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16190.591783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16190.591783][ T7704] netlink_rcv_skb+0x130/0x360 [16190.591783][ T7704] netlink_unicast+0x449/0x710 [16190.591783][ T7704] netlink_sendmsg+0x723/0xbe0 [16190.591783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16190.591783][ T7704] ___sys_sendmsg+0xee/0x170 [16190.591783][ T7704] __sys_sendmsg+0xcd/0x170 [16190.591783][ T7704] do_syscall_64+0xc6/0x1e0 [16190.591783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16190.591783][ T7704] [16200.830968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16200.831459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16200.831459][ T7704] netdev_get_by_index+0x5e/0x80 [16200.831459][ T7704] fib6_nh_init+0x3d8/0x15b0 [16200.831459][ T7704] ip6_route_info_create+0xf18/0x17d0 [16200.831459][ T7704] ip6_route_add+0x1c/0x140 [16200.831459][ T7704] addrconf_prefix_route+0x2a6/0x430 [16200.831459][ T7704] inet6_addr_add+0x4f8/0xa40 [16200.831459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16200.831459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16200.831459][ T7704] netlink_rcv_skb+0x130/0x360 [16200.831459][ T7704] netlink_unicast+0x449/0x710 [16200.831459][ T7704] netlink_sendmsg+0x723/0xbe0 [16200.831459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16200.831459][ T7704] ___sys_sendmsg+0xee/0x170 [16200.831459][ T7704] __sys_sendmsg+0xcd/0x170 [16200.831459][ T7704] do_syscall_64+0xc6/0x1e0 [16200.831459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16200.831459][ T7704] [16200.833698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16200.833698][ T7704] netdev_get_by_index+0x5e/0x80 [16200.833698][ T7704] fib6_nh_init+0x3d8/0x15b0 [16200.833698][ T7704] ip6_route_info_create+0xf18/0x17d0 [16200.833698][ T7704] addrconf_f6i_alloc+0x315/0x560 [16200.833698][ T7704] ipv6_add_addr+0x411/0x2000 [16200.833698][ T7704] inet6_addr_add+0x30e/0xa40 [16200.833698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16200.833698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16200.833698][ T7704] netlink_rcv_skb+0x130/0x360 [16200.833698][ T7704] netlink_unicast+0x449/0x710 [16200.833698][ T7704] netlink_sendmsg+0x723/0xbe0 [16200.833698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16200.833698][ T7704] ___sys_sendmsg+0xee/0x170 [16200.833698][ T7704] __sys_sendmsg+0xcd/0x170 [16200.833698][ T7704] do_syscall_64+0xc6/0x1e0 [16200.833698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16200.833698][ T7704] [16200.835917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16200.835917][ T7704] netdev_get_by_index+0x5e/0x80 [16200.835917][ T7704] fib6_nh_init+0x3d8/0x15b0 [16200.835917][ T7704] ip6_route_info_create+0xf18/0x17d0 [16200.835917][ T7704] ip6_route_add+0x1c/0x140 [16200.835917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16200.835917][ T7704] addrconf_add_dev+0xe2/0x170 [16200.835917][ T7704] inet6_addr_add+0x12f/0xa40 [16200.835917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16200.835917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16200.835917][ T7704] netlink_rcv_skb+0x130/0x360 [16200.835917][ T7704] netlink_unicast+0x449/0x710 [16200.835917][ T7704] netlink_sendmsg+0x723/0xbe0 [16200.835917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16200.835917][ T7704] ___sys_sendmsg+0xee/0x170 [16200.835917][ T7704] __sys_sendmsg+0xcd/0x170 [16200.835917][ T7704] do_syscall_64+0xc6/0x1e0 [16200.835917][ T7704] [16200.838091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16200.838091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16200.838091][ T7704] ipv6_find_idev+0x102/0x170 [16200.838091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16200.838091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16200.838091][ T7704] netlink_rcv_skb+0x130/0x360 [16200.838091][ T7704] netlink_unicast+0x449/0x710 [16200.838091][ T7704] netlink_sendmsg+0x723/0xbe0 [16200.838091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16200.838091][ T7704] ___sys_sendmsg+0xee/0x170 [16200.838091][ T7704] __sys_sendmsg+0xcd/0x170 [16200.838091][ T7704] do_syscall_64+0xc6/0x1e0 [16200.838091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16200.838091][ T7704] [16200.839788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16200.839788][ T7704] neigh_parms_alloc+0x1e5/0x510 [16200.839788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16200.839788][ T7704] ipv6_find_idev+0x102/0x170 [16200.839788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16200.839788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16200.839788][ T7704] netlink_rcv_skb+0x130/0x360 [16200.839788][ T7704] netlink_unicast+0x449/0x710 [16200.839788][ T7704] netlink_sendmsg+0x723/0xbe0 [16200.839788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16200.839788][ T7704] ___sys_sendmsg+0xee/0x170 [16200.839788][ T7704] __sys_sendmsg+0xcd/0x170 [16200.839788][ T7704] do_syscall_64+0xc6/0x1e0 [16200.839788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16200.839788][ T7704] [16211.078929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16211.079413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16211.079413][ T7704] netdev_get_by_index+0x5e/0x80 [16211.079413][ T7704] fib6_nh_init+0x3d8/0x15b0 [16211.079413][ T7704] ip6_route_info_create+0xf18/0x17d0 [16211.079413][ T7704] ip6_route_add+0x1c/0x140 [16211.079413][ T7704] addrconf_prefix_route+0x2a6/0x430 [16211.079413][ T7704] inet6_addr_add+0x4f8/0xa40 [16211.079413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16211.079413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16211.079413][ T7704] netlink_rcv_skb+0x130/0x360 [16211.079413][ T7704] netlink_unicast+0x449/0x710 [16211.079413][ T7704] netlink_sendmsg+0x723/0xbe0 [16211.079413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16211.079413][ T7704] ___sys_sendmsg+0xee/0x170 [16211.079413][ T7704] __sys_sendmsg+0xcd/0x170 [16211.079413][ T7704] do_syscall_64+0xc6/0x1e0 [16211.079413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16211.079413][ T7704] [16211.081658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16211.081658][ T7704] netdev_get_by_index+0x5e/0x80 [16211.081658][ T7704] fib6_nh_init+0x3d8/0x15b0 [16211.081658][ T7704] ip6_route_info_create+0xf18/0x17d0 [16211.081658][ T7704] addrconf_f6i_alloc+0x315/0x560 [16211.081658][ T7704] ipv6_add_addr+0x411/0x2000 [16211.081658][ T7704] inet6_addr_add+0x30e/0xa40 [16211.081658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16211.081658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16211.081658][ T7704] netlink_rcv_skb+0x130/0x360 [16211.081658][ T7704] netlink_unicast+0x449/0x710 [16211.081658][ T7704] netlink_sendmsg+0x723/0xbe0 [16211.081658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16211.081658][ T7704] ___sys_sendmsg+0xee/0x170 [16211.081658][ T7704] __sys_sendmsg+0xcd/0x170 [16211.081658][ T7704] do_syscall_64+0xc6/0x1e0 [16211.081658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16211.081658][ T7704] [16211.083849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16211.083849][ T7704] netdev_get_by_index+0x5e/0x80 [16211.083849][ T7704] fib6_nh_init+0x3d8/0x15b0 [16211.083849][ T7704] ip6_route_info_create+0xf18/0x17d0 [16211.083849][ T7704] ip6_route_add+0x1c/0x140 [16211.083849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16211.083849][ T7704] addrconf_add_dev+0xe2/0x170 [16211.083849][ T7704] inet6_addr_add+0x12f/0xa40 [16211.083849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16211.083849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16211.083849][ T7704] netlink_rcv_skb+0x130/0x360 [16211.083849][ T7704] netlink_unicast+0x449/0x710 [16211.083849][ T7704] netlink_sendmsg+0x723/0xbe0 [16211.083849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16211.083849][ T7704] ___sys_sendmsg+0xee/0x170 [16211.083849][ T7704] __sys_sendmsg+0xcd/0x170 [16211.083849][ T7704] do_syscall_64+0xc6/0x1e0 [16211.083849][ T7704] [16211.086034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16211.086034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16211.086034][ T7704] ipv6_find_idev+0x102/0x170 [16211.086034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16211.086034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16211.086034][ T7704] netlink_rcv_skb+0x130/0x360 [16211.086034][ T7704] netlink_unicast+0x449/0x710 [16211.086034][ T7704] netlink_sendmsg+0x723/0xbe0 [16211.086034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16211.086034][ T7704] ___sys_sendmsg+0xee/0x170 [16211.086034][ T7704] __sys_sendmsg+0xcd/0x170 [16211.086034][ T7704] do_syscall_64+0xc6/0x1e0 [16211.086034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16211.086034][ T7704] [16211.087737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16211.087737][ T7704] neigh_parms_alloc+0x1e5/0x510 [16211.087737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16211.087737][ T7704] ipv6_find_idev+0x102/0x170 [16211.087737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16211.087737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16211.087737][ T7704] netlink_rcv_skb+0x130/0x360 [16211.087737][ T7704] netlink_unicast+0x449/0x710 [16211.087737][ T7704] netlink_sendmsg+0x723/0xbe0 [16211.087737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16211.087737][ T7704] ___sys_sendmsg+0xee/0x170 [16211.087737][ T7704] __sys_sendmsg+0xcd/0x170 [16211.087737][ T7704] do_syscall_64+0xc6/0x1e0 [16211.087737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16211.087737][ T7704] [16221.326967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16221.327443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16221.327443][ T7704] netdev_get_by_index+0x5e/0x80 [16221.327443][ T7704] fib6_nh_init+0x3d8/0x15b0 [16221.327443][ T7704] ip6_route_info_create+0xf18/0x17d0 [16221.327443][ T7704] ip6_route_add+0x1c/0x140 [16221.327443][ T7704] addrconf_prefix_route+0x2a6/0x430 [16221.327443][ T7704] inet6_addr_add+0x4f8/0xa40 [16221.327443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16221.327443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16221.327443][ T7704] netlink_rcv_skb+0x130/0x360 [16221.327443][ T7704] netlink_unicast+0x449/0x710 [16221.327443][ T7704] netlink_sendmsg+0x723/0xbe0 [16221.327443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16221.327443][ T7704] ___sys_sendmsg+0xee/0x170 [16221.327443][ T7704] __sys_sendmsg+0xcd/0x170 [16221.327443][ T7704] do_syscall_64+0xc6/0x1e0 [16221.327443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16221.327443][ T7704] [16221.329695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16221.329695][ T7704] netdev_get_by_index+0x5e/0x80 [16221.329695][ T7704] fib6_nh_init+0x3d8/0x15b0 [16221.329695][ T7704] ip6_route_info_create+0xf18/0x17d0 [16221.329695][ T7704] addrconf_f6i_alloc+0x315/0x560 [16221.329695][ T7704] ipv6_add_addr+0x411/0x2000 [16221.329695][ T7704] inet6_addr_add+0x30e/0xa40 [16221.329695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16221.329695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16221.329695][ T7704] netlink_rcv_skb+0x130/0x360 [16221.329695][ T7704] netlink_unicast+0x449/0x710 [16221.329695][ T7704] netlink_sendmsg+0x723/0xbe0 [16221.329695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16221.329695][ T7704] ___sys_sendmsg+0xee/0x170 [16221.329695][ T7704] __sys_sendmsg+0xcd/0x170 [16221.329695][ T7704] do_syscall_64+0xc6/0x1e0 [16221.329695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16221.329695][ T7704] [16221.331907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16221.331907][ T7704] netdev_get_by_index+0x5e/0x80 [16221.331907][ T7704] fib6_nh_init+0x3d8/0x15b0 [16221.331907][ T7704] ip6_route_info_create+0xf18/0x17d0 [16221.331907][ T7704] ip6_route_add+0x1c/0x140 [16221.331907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16221.331907][ T7704] addrconf_add_dev+0xe2/0x170 [16221.331907][ T7704] inet6_addr_add+0x12f/0xa40 [16221.331907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16221.331907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16221.331907][ T7704] netlink_rcv_skb+0x130/0x360 [16221.331907][ T7704] netlink_unicast+0x449/0x710 [16221.331907][ T7704] netlink_sendmsg+0x723/0xbe0 [16221.331907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16221.331907][ T7704] ___sys_sendmsg+0xee/0x170 [16221.331907][ T7704] __sys_sendmsg+0xcd/0x170 [16221.331907][ T7704] do_syscall_64+0xc6/0x1e0 [16221.331907][ T7704] [16221.334091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16221.334091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16221.334091][ T7704] ipv6_find_idev+0x102/0x170 [16221.334091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16221.334091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16221.334091][ T7704] netlink_rcv_skb+0x130/0x360 [16221.334091][ T7704] netlink_unicast+0x449/0x710 [16221.334091][ T7704] netlink_sendmsg+0x723/0xbe0 [16221.334091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16221.334091][ T7704] ___sys_sendmsg+0xee/0x170 [16221.334091][ T7704] __sys_sendmsg+0xcd/0x170 [16221.334091][ T7704] do_syscall_64+0xc6/0x1e0 [16221.334091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16221.334091][ T7704] [16221.335822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16221.335822][ T7704] neigh_parms_alloc+0x1e5/0x510 [16221.335822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16221.335822][ T7704] ipv6_find_idev+0x102/0x170 [16221.335822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16221.335822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16221.335822][ T7704] netlink_rcv_skb+0x130/0x360 [16221.335822][ T7704] netlink_unicast+0x449/0x710 [16221.335822][ T7704] netlink_sendmsg+0x723/0xbe0 [16221.335822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16221.335822][ T7704] ___sys_sendmsg+0xee/0x170 [16221.335822][ T7704] __sys_sendmsg+0xcd/0x170 [16221.335822][ T7704] do_syscall_64+0xc6/0x1e0 [16221.335822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16221.335822][ T7704] [16231.574877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16231.575342][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16231.575342][ T7704] netdev_get_by_index+0x5e/0x80 [16231.575342][ T7704] fib6_nh_init+0x3d8/0x15b0 [16231.575342][ T7704] ip6_route_info_create+0xf18/0x17d0 [16231.575342][ T7704] ip6_route_add+0x1c/0x140 [16231.575342][ T7704] addrconf_prefix_route+0x2a6/0x430 [16231.575342][ T7704] inet6_addr_add+0x4f8/0xa40 [16231.575342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16231.575342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16231.575342][ T7704] netlink_rcv_skb+0x130/0x360 [16231.575342][ T7704] netlink_unicast+0x449/0x710 [16231.575342][ T7704] netlink_sendmsg+0x723/0xbe0 [16231.575342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16231.575342][ T7704] ___sys_sendmsg+0xee/0x170 [16231.575342][ T7704] __sys_sendmsg+0xcd/0x170 [16231.575342][ T7704] do_syscall_64+0xc6/0x1e0 [16231.575342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16231.575342][ T7704] [16231.577572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16231.577572][ T7704] netdev_get_by_index+0x5e/0x80 [16231.577572][ T7704] fib6_nh_init+0x3d8/0x15b0 [16231.577572][ T7704] ip6_route_info_create+0xf18/0x17d0 [16231.577572][ T7704] addrconf_f6i_alloc+0x315/0x560 [16231.577572][ T7704] ipv6_add_addr+0x411/0x2000 [16231.577572][ T7704] inet6_addr_add+0x30e/0xa40 [16231.577572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16231.577572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16231.577572][ T7704] netlink_rcv_skb+0x130/0x360 [16231.577572][ T7704] netlink_unicast+0x449/0x710 [16231.577572][ T7704] netlink_sendmsg+0x723/0xbe0 [16231.577572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16231.577572][ T7704] ___sys_sendmsg+0xee/0x170 [16231.577572][ T7704] __sys_sendmsg+0xcd/0x170 [16231.577572][ T7704] do_syscall_64+0xc6/0x1e0 [16231.577572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16231.577572][ T7704] [16231.579801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16231.579801][ T7704] netdev_get_by_index+0x5e/0x80 [16231.579801][ T7704] fib6_nh_init+0x3d8/0x15b0 [16231.579801][ T7704] ip6_route_info_create+0xf18/0x17d0 [16231.579801][ T7704] ip6_route_add+0x1c/0x140 [16231.579801][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16231.579801][ T7704] addrconf_add_dev+0xe2/0x170 [16231.579801][ T7704] inet6_addr_add+0x12f/0xa40 [16231.579801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16231.579801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16231.579801][ T7704] netlink_rcv_skb+0x130/0x360 [16231.579801][ T7704] netlink_unicast+0x449/0x710 [16231.579801][ T7704] netlink_sendmsg+0x723/0xbe0 [16231.579801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16231.579801][ T7704] ___sys_sendmsg+0xee/0x170 [16231.579801][ T7704] __sys_sendmsg+0xcd/0x170 [16231.579801][ T7704] do_syscall_64+0xc6/0x1e0 [16231.579801][ T7704] [16231.581985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16231.581985][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16231.581985][ T7704] ipv6_find_idev+0x102/0x170 [16231.581985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16231.581985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16231.581985][ T7704] netlink_rcv_skb+0x130/0x360 [16231.581985][ T7704] netlink_unicast+0x449/0x710 [16231.581985][ T7704] netlink_sendmsg+0x723/0xbe0 [16231.581985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16231.581985][ T7704] ___sys_sendmsg+0xee/0x170 [16231.581985][ T7704] __sys_sendmsg+0xcd/0x170 [16231.581985][ T7704] do_syscall_64+0xc6/0x1e0 [16231.581985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16231.581985][ T7704] [16231.583673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16231.583673][ T7704] neigh_parms_alloc+0x1e5/0x510 [16231.583673][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16231.583673][ T7704] ipv6_find_idev+0x102/0x170 [16231.583673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16231.583673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16231.583673][ T7704] netlink_rcv_skb+0x130/0x360 [16231.583673][ T7704] netlink_unicast+0x449/0x710 [16231.583673][ T7704] netlink_sendmsg+0x723/0xbe0 [16231.583673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16231.583673][ T7704] ___sys_sendmsg+0xee/0x170 [16231.583673][ T7704] __sys_sendmsg+0xcd/0x170 [16231.583673][ T7704] do_syscall_64+0xc6/0x1e0 [16231.583673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16231.583673][ T7704] [16241.822914][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16241.823330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16241.823330][ T7704] netdev_get_by_index+0x5e/0x80 [16241.823330][ T7704] fib6_nh_init+0x3d8/0x15b0 [16241.823330][ T7704] ip6_route_info_create+0xf18/0x17d0 [16241.823330][ T7704] ip6_route_add+0x1c/0x140 [16241.823330][ T7704] addrconf_prefix_route+0x2a6/0x430 [16241.823330][ T7704] inet6_addr_add+0x4f8/0xa40 [16241.823330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16241.823330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16241.823330][ T7704] netlink_rcv_skb+0x130/0x360 [16241.823330][ T7704] netlink_unicast+0x449/0x710 [16241.823330][ T7704] netlink_sendmsg+0x723/0xbe0 [16241.823330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16241.823330][ T7704] ___sys_sendmsg+0xee/0x170 [16241.823330][ T7704] __sys_sendmsg+0xcd/0x170 [16241.823330][ T7704] do_syscall_64+0xc6/0x1e0 [16241.823330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16241.823330][ T7704] [16241.825623][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16241.825623][ T7704] netdev_get_by_index+0x5e/0x80 [16241.825623][ T7704] fib6_nh_init+0x3d8/0x15b0 [16241.825623][ T7704] ip6_route_info_create+0xf18/0x17d0 [16241.825623][ T7704] addrconf_f6i_alloc+0x315/0x560 [16241.825623][ T7704] ipv6_add_addr+0x411/0x2000 [16241.825623][ T7704] inet6_addr_add+0x30e/0xa40 [16241.825623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16241.825623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16241.825623][ T7704] netlink_rcv_skb+0x130/0x360 [16241.825623][ T7704] netlink_unicast+0x449/0x710 [16241.825623][ T7704] netlink_sendmsg+0x723/0xbe0 [16241.825623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16241.825623][ T7704] ___sys_sendmsg+0xee/0x170 [16241.825623][ T7704] __sys_sendmsg+0xcd/0x170 [16241.825623][ T7704] do_syscall_64+0xc6/0x1e0 [16241.825623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16241.825623][ T7704] [16241.827853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16241.827853][ T7704] netdev_get_by_index+0x5e/0x80 [16241.827853][ T7704] fib6_nh_init+0x3d8/0x15b0 [16241.827853][ T7704] ip6_route_info_create+0xf18/0x17d0 [16241.827853][ T7704] ip6_route_add+0x1c/0x140 [16241.827853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16241.827853][ T7704] addrconf_add_dev+0xe2/0x170 [16241.827853][ T7704] inet6_addr_add+0x12f/0xa40 [16241.827853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16241.827853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16241.827853][ T7704] netlink_rcv_skb+0x130/0x360 [16241.827853][ T7704] netlink_unicast+0x449/0x710 [16241.827853][ T7704] netlink_sendmsg+0x723/0xbe0 [16241.827853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16241.827853][ T7704] ___sys_sendmsg+0xee/0x170 [16241.827853][ T7704] __sys_sendmsg+0xcd/0x170 [16241.827853][ T7704] do_syscall_64+0xc6/0x1e0 [16241.827853][ T7704] [16241.830029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16241.830029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16241.830029][ T7704] ipv6_find_idev+0x102/0x170 [16241.830029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16241.830029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16241.830029][ T7704] netlink_rcv_skb+0x130/0x360 [16241.830029][ T7704] netlink_unicast+0x449/0x710 [16241.830029][ T7704] netlink_sendmsg+0x723/0xbe0 [16241.830029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16241.830029][ T7704] ___sys_sendmsg+0xee/0x170 [16241.830029][ T7704] __sys_sendmsg+0xcd/0x170 [16241.830029][ T7704] do_syscall_64+0xc6/0x1e0 [16241.830029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16241.830029][ T7704] [16241.831734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16241.831734][ T7704] neigh_parms_alloc+0x1e5/0x510 [16241.831734][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16241.831734][ T7704] ipv6_find_idev+0x102/0x170 [16241.831734][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16241.831734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16241.831734][ T7704] netlink_rcv_skb+0x130/0x360 [16241.831734][ T7704] netlink_unicast+0x449/0x710 [16241.831734][ T7704] netlink_sendmsg+0x723/0xbe0 [16241.831734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16241.831734][ T7704] ___sys_sendmsg+0xee/0x170 [16241.831734][ T7704] __sys_sendmsg+0xcd/0x170 [16241.831734][ T7704] do_syscall_64+0xc6/0x1e0 [16241.831734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16241.831734][ T7704] [16252.070965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16252.071454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16252.071454][ T7704] netdev_get_by_index+0x5e/0x80 [16252.071454][ T7704] fib6_nh_init+0x3d8/0x15b0 [16252.071454][ T7704] ip6_route_info_create+0xf18/0x17d0 [16252.071454][ T7704] ip6_route_add+0x1c/0x140 [16252.071454][ T7704] addrconf_prefix_route+0x2a6/0x430 [16252.071454][ T7704] inet6_addr_add+0x4f8/0xa40 [16252.071454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16252.071454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16252.071454][ T7704] netlink_rcv_skb+0x130/0x360 [16252.071454][ T7704] netlink_unicast+0x449/0x710 [16252.071454][ T7704] netlink_sendmsg+0x723/0xbe0 [16252.071454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16252.071454][ T7704] ___sys_sendmsg+0xee/0x170 [16252.071454][ T7704] __sys_sendmsg+0xcd/0x170 [16252.071454][ T7704] do_syscall_64+0xc6/0x1e0 [16252.071454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16252.071454][ T7704] [16252.074285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16252.074285][ T7704] netdev_get_by_index+0x5e/0x80 [16252.074285][ T7704] fib6_nh_init+0x3d8/0x15b0 [16252.074285][ T7704] ip6_route_info_create+0xf18/0x17d0 [16252.074285][ T7704] addrconf_f6i_alloc+0x315/0x560 [16252.074285][ T7704] ipv6_add_addr+0x411/0x2000 [16252.074285][ T7704] inet6_addr_add+0x30e/0xa40 [16252.074285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16252.074285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16252.074285][ T7704] netlink_rcv_skb+0x130/0x360 [16252.074285][ T7704] netlink_unicast+0x449/0x710 [16252.074285][ T7704] netlink_sendmsg+0x723/0xbe0 [16252.074285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16252.074285][ T7704] ___sys_sendmsg+0xee/0x170 [16252.074285][ T7704] __sys_sendmsg+0xcd/0x170 [16252.074285][ T7704] do_syscall_64+0xc6/0x1e0 [16252.074285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16252.074285][ T7704] [16252.076536][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16252.076536][ T7704] netdev_get_by_index+0x5e/0x80 [16252.076536][ T7704] fib6_nh_init+0x3d8/0x15b0 [16252.076536][ T7704] ip6_route_info_create+0xf18/0x17d0 [16252.076536][ T7704] ip6_route_add+0x1c/0x140 [16252.076536][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16252.076536][ T7704] addrconf_add_dev+0xe2/0x170 [16252.076536][ T7704] inet6_addr_add+0x12f/0xa40 [16252.076536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16252.076536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16252.076536][ T7704] netlink_rcv_skb+0x130/0x360 [16252.076536][ T7704] netlink_unicast+0x449/0x710 [16252.076536][ T7704] netlink_sendmsg+0x723/0xbe0 [16252.076536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16252.076536][ T7704] ___sys_sendmsg+0xee/0x170 [16252.076536][ T7704] __sys_sendmsg+0xcd/0x170 [16252.076536][ T7704] do_syscall_64+0xc6/0x1e0 [16252.076536][ T7704] [16252.078742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16252.078742][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16252.078742][ T7704] ipv6_find_idev+0x102/0x170 [16252.078742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16252.078742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16252.078742][ T7704] netlink_rcv_skb+0x130/0x360 [16252.078742][ T7704] netlink_unicast+0x449/0x710 [16252.078742][ T7704] netlink_sendmsg+0x723/0xbe0 [16252.078742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16252.078742][ T7704] ___sys_sendmsg+0xee/0x170 [16252.078742][ T7704] __sys_sendmsg+0xcd/0x170 [16252.078742][ T7704] do_syscall_64+0xc6/0x1e0 [16252.078742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16252.078742][ T7704] [16252.081128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16252.081128][ T7704] neigh_parms_alloc+0x1e5/0x510 [16252.081128][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16252.081128][ T7704] ipv6_find_idev+0x102/0x170 [16252.081128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16252.081128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16252.081128][ T7704] netlink_rcv_skb+0x130/0x360 [16252.081128][ T7704] netlink_unicast+0x449/0x710 [16252.081128][ T7704] netlink_sendmsg+0x723/0xbe0 [16252.081128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16252.081128][ T7704] ___sys_sendmsg+0xee/0x170 [16252.081128][ T7704] __sys_sendmsg+0xcd/0x170 [16252.081128][ T7704] do_syscall_64+0xc6/0x1e0 [16252.081128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16252.081128][ T7704] [16262.318957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16262.319443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16262.319443][ T7704] netdev_get_by_index+0x5e/0x80 [16262.319443][ T7704] fib6_nh_init+0x3d8/0x15b0 [16262.319443][ T7704] ip6_route_info_create+0xf18/0x17d0 [16262.319443][ T7704] ip6_route_add+0x1c/0x140 [16262.319443][ T7704] addrconf_prefix_route+0x2a6/0x430 [16262.319443][ T7704] inet6_addr_add+0x4f8/0xa40 [16262.319443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16262.319443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16262.319443][ T7704] netlink_rcv_skb+0x130/0x360 [16262.319443][ T7704] netlink_unicast+0x449/0x710 [16262.319443][ T7704] netlink_sendmsg+0x723/0xbe0 [16262.319443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16262.319443][ T7704] ___sys_sendmsg+0xee/0x170 [16262.319443][ T7704] __sys_sendmsg+0xcd/0x170 [16262.319443][ T7704] do_syscall_64+0xc6/0x1e0 [16262.319443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16262.319443][ T7704] [16262.321656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16262.321656][ T7704] netdev_get_by_index+0x5e/0x80 [16262.321656][ T7704] fib6_nh_init+0x3d8/0x15b0 [16262.321656][ T7704] ip6_route_info_create+0xf18/0x17d0 [16262.321656][ T7704] addrconf_f6i_alloc+0x315/0x560 [16262.321656][ T7704] ipv6_add_addr+0x411/0x2000 [16262.321656][ T7704] inet6_addr_add+0x30e/0xa40 [16262.321656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16262.321656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16262.321656][ T7704] netlink_rcv_skb+0x130/0x360 [16262.321656][ T7704] netlink_unicast+0x449/0x710 [16262.321656][ T7704] netlink_sendmsg+0x723/0xbe0 [16262.321656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16262.321656][ T7704] ___sys_sendmsg+0xee/0x170 [16262.321656][ T7704] __sys_sendmsg+0xcd/0x170 [16262.321656][ T7704] do_syscall_64+0xc6/0x1e0 [16262.321656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16262.321656][ T7704] [16262.323855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16262.323855][ T7704] netdev_get_by_index+0x5e/0x80 [16262.323855][ T7704] fib6_nh_init+0x3d8/0x15b0 [16262.323855][ T7704] ip6_route_info_create+0xf18/0x17d0 [16262.323855][ T7704] ip6_route_add+0x1c/0x140 [16262.323855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16262.323855][ T7704] addrconf_add_dev+0xe2/0x170 [16262.323855][ T7704] inet6_addr_add+0x12f/0xa40 [16262.323855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16262.323855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16262.323855][ T7704] netlink_rcv_skb+0x130/0x360 [16262.323855][ T7704] netlink_unicast+0x449/0x710 [16262.323855][ T7704] netlink_sendmsg+0x723/0xbe0 [16262.323855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16262.323855][ T7704] ___sys_sendmsg+0xee/0x170 [16262.323855][ T7704] __sys_sendmsg+0xcd/0x170 [16262.323855][ T7704] do_syscall_64+0xc6/0x1e0 [16262.323855][ T7704] [16262.326020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16262.326020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16262.326020][ T7704] ipv6_find_idev+0x102/0x170 [16262.326020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16262.326020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16262.326020][ T7704] netlink_rcv_skb+0x130/0x360 [16262.326020][ T7704] netlink_unicast+0x449/0x710 [16262.326020][ T7704] netlink_sendmsg+0x723/0xbe0 [16262.326020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16262.326020][ T7704] ___sys_sendmsg+0xee/0x170 [16262.326020][ T7704] __sys_sendmsg+0xcd/0x170 [16262.326020][ T7704] do_syscall_64+0xc6/0x1e0 [16262.326020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16262.326020][ T7704] [16262.327740][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16262.327740][ T7704] neigh_parms_alloc+0x1e5/0x510 [16262.327740][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16262.327740][ T7704] ipv6_find_idev+0x102/0x170 [16262.327740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16262.327740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16262.327740][ T7704] netlink_rcv_skb+0x130/0x360 [16262.327740][ T7704] netlink_unicast+0x449/0x710 [16262.327740][ T7704] netlink_sendmsg+0x723/0xbe0 [16262.327740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16262.327740][ T7704] ___sys_sendmsg+0xee/0x170 [16262.327740][ T7704] __sys_sendmsg+0xcd/0x170 [16262.327740][ T7704] do_syscall_64+0xc6/0x1e0 [16262.327740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16262.327740][ T7704] [16272.334936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16272.335355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16272.335355][ T7704] netdev_get_by_index+0x5e/0x80 [16272.335355][ T7704] fib6_nh_init+0x3d8/0x15b0 [16272.335355][ T7704] ip6_route_info_create+0xf18/0x17d0 [16272.335355][ T7704] ip6_route_add+0x1c/0x140 [16272.335355][ T7704] addrconf_prefix_route+0x2a6/0x430 [16272.335355][ T7704] inet6_addr_add+0x4f8/0xa40 [16272.335355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16272.335355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16272.335355][ T7704] netlink_rcv_skb+0x130/0x360 [16272.335355][ T7704] netlink_unicast+0x449/0x710 [16272.335355][ T7704] netlink_sendmsg+0x723/0xbe0 [16272.335355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16272.335355][ T7704] ___sys_sendmsg+0xee/0x170 [16272.335355][ T7704] __sys_sendmsg+0xcd/0x170 [16272.335355][ T7704] do_syscall_64+0xc6/0x1e0 [16272.335355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16272.335355][ T7704] [16272.337601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16272.337601][ T7704] netdev_get_by_index+0x5e/0x80 [16272.337601][ T7704] fib6_nh_init+0x3d8/0x15b0 [16272.337601][ T7704] ip6_route_info_create+0xf18/0x17d0 [16272.337601][ T7704] addrconf_f6i_alloc+0x315/0x560 [16272.337601][ T7704] ipv6_add_addr+0x411/0x2000 [16272.337601][ T7704] inet6_addr_add+0x30e/0xa40 [16272.337601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16272.337601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16272.337601][ T7704] netlink_rcv_skb+0x130/0x360 [16272.337601][ T7704] netlink_unicast+0x449/0x710 [16272.337601][ T7704] netlink_sendmsg+0x723/0xbe0 [16272.337601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16272.337601][ T7704] ___sys_sendmsg+0xee/0x170 [16272.337601][ T7704] __sys_sendmsg+0xcd/0x170 [16272.337601][ T7704] do_syscall_64+0xc6/0x1e0 [16272.337601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16272.337601][ T7704] [16272.339802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16272.339802][ T7704] netdev_get_by_index+0x5e/0x80 [16272.339802][ T7704] fib6_nh_init+0x3d8/0x15b0 [16272.339802][ T7704] ip6_route_info_create+0xf18/0x17d0 [16272.339802][ T7704] ip6_route_add+0x1c/0x140 [16272.339802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16272.339802][ T7704] addrconf_add_dev+0xe2/0x170 [16272.339802][ T7704] inet6_addr_add+0x12f/0xa40 [16272.339802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16272.339802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16272.339802][ T7704] netlink_rcv_skb+0x130/0x360 [16272.339802][ T7704] netlink_unicast+0x449/0x710 [16272.339802][ T7704] netlink_sendmsg+0x723/0xbe0 [16272.339802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16272.339802][ T7704] ___sys_sendmsg+0xee/0x170 [16272.339802][ T7704] __sys_sendmsg+0xcd/0x170 [16272.339802][ T7704] do_syscall_64+0xc6/0x1e0 [16272.339802][ T7704] [16272.341916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16272.341916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16272.341916][ T7704] ipv6_find_idev+0x102/0x170 [16272.341916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16272.341916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16272.341916][ T7704] netlink_rcv_skb+0x130/0x360 [16272.341916][ T7704] netlink_unicast+0x449/0x710 [16272.341916][ T7704] netlink_sendmsg+0x723/0xbe0 [16272.341916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16272.341916][ T7704] ___sys_sendmsg+0xee/0x170 [16272.341916][ T7704] __sys_sendmsg+0xcd/0x170 [16272.341916][ T7704] do_syscall_64+0xc6/0x1e0 [16272.341916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16272.341916][ T7704] [16272.343657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16272.343657][ T7704] neigh_parms_alloc+0x1e5/0x510 [16272.343657][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16272.343657][ T7704] ipv6_find_idev+0x102/0x170 [16272.343657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16272.343657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16272.343657][ T7704] netlink_rcv_skb+0x130/0x360 [16272.343657][ T7704] netlink_unicast+0x449/0x710 [16272.343657][ T7704] netlink_sendmsg+0x723/0xbe0 [16272.343657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16272.343657][ T7704] ___sys_sendmsg+0xee/0x170 [16272.343657][ T7704] __sys_sendmsg+0xcd/0x170 [16272.343657][ T7704] do_syscall_64+0xc6/0x1e0 [16272.343657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16272.343657][ T7704] [16282.414929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16282.415420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16282.415420][ T7704] netdev_get_by_index+0x5e/0x80 [16282.415420][ T7704] fib6_nh_init+0x3d8/0x15b0 [16282.415420][ T7704] ip6_route_info_create+0xf18/0x17d0 [16282.415420][ T7704] ip6_route_add+0x1c/0x140 [16282.415420][ T7704] addrconf_prefix_route+0x2a6/0x430 [16282.415420][ T7704] inet6_addr_add+0x4f8/0xa40 [16282.415420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16282.415420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16282.415420][ T7704] netlink_rcv_skb+0x130/0x360 [16282.415420][ T7704] netlink_unicast+0x449/0x710 [16282.415420][ T7704] netlink_sendmsg+0x723/0xbe0 [16282.415420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16282.415420][ T7704] ___sys_sendmsg+0xee/0x170 [16282.415420][ T7704] __sys_sendmsg+0xcd/0x170 [16282.415420][ T7704] do_syscall_64+0xc6/0x1e0 [16282.415420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16282.415420][ T7704] [16282.417662][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16282.417662][ T7704] netdev_get_by_index+0x5e/0x80 [16282.417662][ T7704] fib6_nh_init+0x3d8/0x15b0 [16282.417662][ T7704] ip6_route_info_create+0xf18/0x17d0 [16282.417662][ T7704] addrconf_f6i_alloc+0x315/0x560 [16282.417662][ T7704] ipv6_add_addr+0x411/0x2000 [16282.417662][ T7704] inet6_addr_add+0x30e/0xa40 [16282.417662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16282.417662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16282.417662][ T7704] netlink_rcv_skb+0x130/0x360 [16282.417662][ T7704] netlink_unicast+0x449/0x710 [16282.417662][ T7704] netlink_sendmsg+0x723/0xbe0 [16282.417662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16282.417662][ T7704] ___sys_sendmsg+0xee/0x170 [16282.417662][ T7704] __sys_sendmsg+0xcd/0x170 [16282.417662][ T7704] do_syscall_64+0xc6/0x1e0 [16282.417662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16282.417662][ T7704] [16282.419878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16282.419878][ T7704] netdev_get_by_index+0x5e/0x80 [16282.419878][ T7704] fib6_nh_init+0x3d8/0x15b0 [16282.419878][ T7704] ip6_route_info_create+0xf18/0x17d0 [16282.419878][ T7704] ip6_route_add+0x1c/0x140 [16282.419878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16282.419878][ T7704] addrconf_add_dev+0xe2/0x170 [16282.419878][ T7704] inet6_addr_add+0x12f/0xa40 [16282.419878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16282.419878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16282.419878][ T7704] netlink_rcv_skb+0x130/0x360 [16282.419878][ T7704] netlink_unicast+0x449/0x710 [16282.419878][ T7704] netlink_sendmsg+0x723/0xbe0 [16282.419878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16282.419878][ T7704] ___sys_sendmsg+0xee/0x170 [16282.419878][ T7704] __sys_sendmsg+0xcd/0x170 [16282.419878][ T7704] do_syscall_64+0xc6/0x1e0 [16282.419878][ T7704] [16282.422067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16282.422067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16282.422067][ T7704] ipv6_find_idev+0x102/0x170 [16282.422067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16282.422067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16282.422067][ T7704] netlink_rcv_skb+0x130/0x360 [16282.422067][ T7704] netlink_unicast+0x449/0x710 [16282.422067][ T7704] netlink_sendmsg+0x723/0xbe0 [16282.422067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16282.422067][ T7704] ___sys_sendmsg+0xee/0x170 [16282.422067][ T7704] __sys_sendmsg+0xcd/0x170 [16282.422067][ T7704] do_syscall_64+0xc6/0x1e0 [16282.422067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16282.422067][ T7704] [16282.423772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16282.423772][ T7704] neigh_parms_alloc+0x1e5/0x510 [16282.423772][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16282.423772][ T7704] ipv6_find_idev+0x102/0x170 [16282.423772][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16282.423772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16282.423772][ T7704] netlink_rcv_skb+0x130/0x360 [16282.423772][ T7704] netlink_unicast+0x449/0x710 [16282.423772][ T7704] netlink_sendmsg+0x723/0xbe0 [16282.423772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16282.423772][ T7704] ___sys_sendmsg+0xee/0x170 [16282.423772][ T7704] __sys_sendmsg+0xcd/0x170 [16282.423772][ T7704] do_syscall_64+0xc6/0x1e0 [16282.423772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16282.423772][ T7704] [16292.670949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16292.671435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16292.671435][ T7704] netdev_get_by_index+0x5e/0x80 [16292.671435][ T7704] fib6_nh_init+0x3d8/0x15b0 [16292.671435][ T7704] ip6_route_info_create+0xf18/0x17d0 [16292.671435][ T7704] ip6_route_add+0x1c/0x140 [16292.671435][ T7704] addrconf_prefix_route+0x2a6/0x430 [16292.671435][ T7704] inet6_addr_add+0x4f8/0xa40 [16292.671435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16292.671435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16292.671435][ T7704] netlink_rcv_skb+0x130/0x360 [16292.671435][ T7704] netlink_unicast+0x449/0x710 [16292.671435][ T7704] netlink_sendmsg+0x723/0xbe0 [16292.671435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16292.671435][ T7704] ___sys_sendmsg+0xee/0x170 [16292.671435][ T7704] __sys_sendmsg+0xcd/0x170 [16292.671435][ T7704] do_syscall_64+0xc6/0x1e0 [16292.671435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16292.671435][ T7704] [16292.673677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16292.673677][ T7704] netdev_get_by_index+0x5e/0x80 [16292.673677][ T7704] fib6_nh_init+0x3d8/0x15b0 [16292.673677][ T7704] ip6_route_info_create+0xf18/0x17d0 [16292.673677][ T7704] addrconf_f6i_alloc+0x315/0x560 [16292.673677][ T7704] ipv6_add_addr+0x411/0x2000 [16292.673677][ T7704] inet6_addr_add+0x30e/0xa40 [16292.673677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16292.673677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16292.673677][ T7704] netlink_rcv_skb+0x130/0x360 [16292.673677][ T7704] netlink_unicast+0x449/0x710 [16292.673677][ T7704] netlink_sendmsg+0x723/0xbe0 [16292.673677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16292.673677][ T7704] ___sys_sendmsg+0xee/0x170 [16292.673677][ T7704] __sys_sendmsg+0xcd/0x170 [16292.673677][ T7704] do_syscall_64+0xc6/0x1e0 [16292.673677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16292.673677][ T7704] [16292.675914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16292.675914][ T7704] netdev_get_by_index+0x5e/0x80 [16292.675914][ T7704] fib6_nh_init+0x3d8/0x15b0 [16292.675914][ T7704] ip6_route_info_create+0xf18/0x17d0 [16292.675914][ T7704] ip6_route_add+0x1c/0x140 [16292.675914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16292.675914][ T7704] addrconf_add_dev+0xe2/0x170 [16292.675914][ T7704] inet6_addr_add+0x12f/0xa40 [16292.675914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16292.675914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16292.675914][ T7704] netlink_rcv_skb+0x130/0x360 [16292.675914][ T7704] netlink_unicast+0x449/0x710 [16292.675914][ T7704] netlink_sendmsg+0x723/0xbe0 [16292.675914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16292.675914][ T7704] ___sys_sendmsg+0xee/0x170 [16292.675914][ T7704] __sys_sendmsg+0xcd/0x170 [16292.675914][ T7704] do_syscall_64+0xc6/0x1e0 [16292.675914][ T7704] [16292.678086][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16292.678086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16292.678086][ T7704] ipv6_find_idev+0x102/0x170 [16292.678086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16292.678086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16292.678086][ T7704] netlink_rcv_skb+0x130/0x360 [16292.678086][ T7704] netlink_unicast+0x449/0x710 [16292.678086][ T7704] netlink_sendmsg+0x723/0xbe0 [16292.678086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16292.678086][ T7704] ___sys_sendmsg+0xee/0x170 [16292.678086][ T7704] __sys_sendmsg+0xcd/0x170 [16292.678086][ T7704] do_syscall_64+0xc6/0x1e0 [16292.678086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16292.678086][ T7704] [16292.679789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16292.679789][ T7704] neigh_parms_alloc+0x1e5/0x510 [16292.679789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16292.679789][ T7704] ipv6_find_idev+0x102/0x170 [16292.679789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16292.679789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16292.679789][ T7704] netlink_rcv_skb+0x130/0x360 [16292.679789][ T7704] netlink_unicast+0x449/0x710 [16292.679789][ T7704] netlink_sendmsg+0x723/0xbe0 [16292.679789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16292.679789][ T7704] ___sys_sendmsg+0xee/0x170 [16292.679789][ T7704] __sys_sendmsg+0xcd/0x170 [16292.679789][ T7704] do_syscall_64+0xc6/0x1e0 [16292.679789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16292.679789][ T7704] [16302.926935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16302.927403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16302.927403][ T7704] netdev_get_by_index+0x5e/0x80 [16302.927403][ T7704] fib6_nh_init+0x3d8/0x15b0 [16302.927403][ T7704] ip6_route_info_create+0xf18/0x17d0 [16302.927403][ T7704] ip6_route_add+0x1c/0x140 [16302.927403][ T7704] addrconf_prefix_route+0x2a6/0x430 [16302.927403][ T7704] inet6_addr_add+0x4f8/0xa40 [16302.927403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16302.927403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16302.927403][ T7704] netlink_rcv_skb+0x130/0x360 [16302.927403][ T7704] netlink_unicast+0x449/0x710 [16302.927403][ T7704] netlink_sendmsg+0x723/0xbe0 [16302.927403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16302.927403][ T7704] ___sys_sendmsg+0xee/0x170 [16302.927403][ T7704] __sys_sendmsg+0xcd/0x170 [16302.927403][ T7704] do_syscall_64+0xc6/0x1e0 [16302.927403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16302.927403][ T7704] [16302.929639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16302.929639][ T7704] netdev_get_by_index+0x5e/0x80 [16302.929639][ T7704] fib6_nh_init+0x3d8/0x15b0 [16302.929639][ T7704] ip6_route_info_create+0xf18/0x17d0 [16302.929639][ T7704] addrconf_f6i_alloc+0x315/0x560 [16302.929639][ T7704] ipv6_add_addr+0x411/0x2000 [16302.929639][ T7704] inet6_addr_add+0x30e/0xa40 [16302.929639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16302.929639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16302.929639][ T7704] netlink_rcv_skb+0x130/0x360 [16302.929639][ T7704] netlink_unicast+0x449/0x710 [16302.929639][ T7704] netlink_sendmsg+0x723/0xbe0 [16302.929639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16302.929639][ T7704] ___sys_sendmsg+0xee/0x170 [16302.929639][ T7704] __sys_sendmsg+0xcd/0x170 [16302.929639][ T7704] do_syscall_64+0xc6/0x1e0 [16302.929639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16302.929639][ T7704] [16302.931808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16302.931808][ T7704] netdev_get_by_index+0x5e/0x80 [16302.931808][ T7704] fib6_nh_init+0x3d8/0x15b0 [16302.931808][ T7704] ip6_route_info_create+0xf18/0x17d0 [16302.931808][ T7704] ip6_route_add+0x1c/0x140 [16302.931808][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16302.931808][ T7704] addrconf_add_dev+0xe2/0x170 [16302.931808][ T7704] inet6_addr_add+0x12f/0xa40 [16302.931808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16302.931808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16302.931808][ T7704] netlink_rcv_skb+0x130/0x360 [16302.931808][ T7704] netlink_unicast+0x449/0x710 [16302.931808][ T7704] netlink_sendmsg+0x723/0xbe0 [16302.931808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16302.931808][ T7704] ___sys_sendmsg+0xee/0x170 [16302.931808][ T7704] __sys_sendmsg+0xcd/0x170 [16302.931808][ T7704] do_syscall_64+0xc6/0x1e0 [16302.931808][ T7704] [16302.933996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16302.933996][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16302.933996][ T7704] ipv6_find_idev+0x102/0x170 [16302.933996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16302.933996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16302.933996][ T7704] netlink_rcv_skb+0x130/0x360 [16302.933996][ T7704] netlink_unicast+0x449/0x710 [16302.933996][ T7704] netlink_sendmsg+0x723/0xbe0 [16302.933996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16302.933996][ T7704] ___sys_sendmsg+0xee/0x170 [16302.933996][ T7704] __sys_sendmsg+0xcd/0x170 [16302.933996][ T7704] do_syscall_64+0xc6/0x1e0 [16302.933996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16302.933996][ T7704] [16302.935711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16302.935711][ T7704] neigh_parms_alloc+0x1e5/0x510 [16302.935711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16302.935711][ T7704] ipv6_find_idev+0x102/0x170 [16302.935711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16302.935711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16302.935711][ T7704] netlink_rcv_skb+0x130/0x360 [16302.935711][ T7704] netlink_unicast+0x449/0x710 [16302.935711][ T7704] netlink_sendmsg+0x723/0xbe0 [16302.935711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16302.935711][ T7704] ___sys_sendmsg+0xee/0x170 [16302.935711][ T7704] __sys_sendmsg+0xcd/0x170 [16302.935711][ T7704] do_syscall_64+0xc6/0x1e0 [16302.935711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16302.935711][ T7704] [16313.038930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16313.039421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16313.039421][ T7704] netdev_get_by_index+0x5e/0x80 [16313.039421][ T7704] fib6_nh_init+0x3d8/0x15b0 [16313.039421][ T7704] ip6_route_info_create+0xf18/0x17d0 [16313.039421][ T7704] ip6_route_add+0x1c/0x140 [16313.039421][ T7704] addrconf_prefix_route+0x2a6/0x430 [16313.039421][ T7704] inet6_addr_add+0x4f8/0xa40 [16313.039421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16313.039421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16313.039421][ T7704] netlink_rcv_skb+0x130/0x360 [16313.039421][ T7704] netlink_unicast+0x449/0x710 [16313.039421][ T7704] netlink_sendmsg+0x723/0xbe0 [16313.039421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16313.039421][ T7704] ___sys_sendmsg+0xee/0x170 [16313.039421][ T7704] __sys_sendmsg+0xcd/0x170 [16313.039421][ T7704] do_syscall_64+0xc6/0x1e0 [16313.039421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16313.039421][ T7704] [16313.041655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16313.041655][ T7704] netdev_get_by_index+0x5e/0x80 [16313.041655][ T7704] fib6_nh_init+0x3d8/0x15b0 [16313.041655][ T7704] ip6_route_info_create+0xf18/0x17d0 [16313.041655][ T7704] addrconf_f6i_alloc+0x315/0x560 [16313.041655][ T7704] ipv6_add_addr+0x411/0x2000 [16313.041655][ T7704] inet6_addr_add+0x30e/0xa40 [16313.041655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16313.041655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16313.041655][ T7704] netlink_rcv_skb+0x130/0x360 [16313.041655][ T7704] netlink_unicast+0x449/0x710 [16313.041655][ T7704] netlink_sendmsg+0x723/0xbe0 [16313.041655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16313.041655][ T7704] ___sys_sendmsg+0xee/0x170 [16313.041655][ T7704] __sys_sendmsg+0xcd/0x170 [16313.041655][ T7704] do_syscall_64+0xc6/0x1e0 [16313.041655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16313.041655][ T7704] [16313.043878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16313.043878][ T7704] netdev_get_by_index+0x5e/0x80 [16313.043878][ T7704] fib6_nh_init+0x3d8/0x15b0 [16313.043878][ T7704] ip6_route_info_create+0xf18/0x17d0 [16313.043878][ T7704] ip6_route_add+0x1c/0x140 [16313.043878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16313.043878][ T7704] addrconf_add_dev+0xe2/0x170 [16313.043878][ T7704] inet6_addr_add+0x12f/0xa40 [16313.043878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16313.043878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16313.043878][ T7704] netlink_rcv_skb+0x130/0x360 [16313.043878][ T7704] netlink_unicast+0x449/0x710 [16313.043878][ T7704] netlink_sendmsg+0x723/0xbe0 [16313.043878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16313.043878][ T7704] ___sys_sendmsg+0xee/0x170 [16313.043878][ T7704] __sys_sendmsg+0xcd/0x170 [16313.043878][ T7704] do_syscall_64+0xc6/0x1e0 [16313.043878][ T7704] [16313.046036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16313.046036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16313.046036][ T7704] ipv6_find_idev+0x102/0x170 [16313.046036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16313.046036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16313.046036][ T7704] netlink_rcv_skb+0x130/0x360 [16313.046036][ T7704] netlink_unicast+0x449/0x710 [16313.046036][ T7704] netlink_sendmsg+0x723/0xbe0 [16313.046036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16313.046036][ T7704] ___sys_sendmsg+0xee/0x170 [16313.046036][ T7704] __sys_sendmsg+0xcd/0x170 [16313.046036][ T7704] do_syscall_64+0xc6/0x1e0 [16313.046036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16313.046036][ T7704] [16313.047708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16313.047708][ T7704] neigh_parms_alloc+0x1e5/0x510 [16313.047708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16313.047708][ T7704] ipv6_find_idev+0x102/0x170 [16313.047708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16313.047708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16313.047708][ T7704] netlink_rcv_skb+0x130/0x360 [16313.047708][ T7704] netlink_unicast+0x449/0x710 [16313.047708][ T7704] netlink_sendmsg+0x723/0xbe0 [16313.047708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16313.047708][ T7704] ___sys_sendmsg+0xee/0x170 [16313.047708][ T7704] __sys_sendmsg+0xcd/0x170 [16313.047708][ T7704] do_syscall_64+0xc6/0x1e0 [16313.047708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16313.047708][ T7704] [16323.286946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16323.287374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16323.287374][ T7704] netdev_get_by_index+0x5e/0x80 [16323.287374][ T7704] fib6_nh_init+0x3d8/0x15b0 [16323.287374][ T7704] ip6_route_info_create+0xf18/0x17d0 [16323.287374][ T7704] ip6_route_add+0x1c/0x140 [16323.287374][ T7704] addrconf_prefix_route+0x2a6/0x430 [16323.287374][ T7704] inet6_addr_add+0x4f8/0xa40 [16323.287374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16323.287374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16323.287374][ T7704] netlink_rcv_skb+0x130/0x360 [16323.287374][ T7704] netlink_unicast+0x449/0x710 [16323.287374][ T7704] netlink_sendmsg+0x723/0xbe0 [16323.287374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16323.287374][ T7704] ___sys_sendmsg+0xee/0x170 [16323.287374][ T7704] __sys_sendmsg+0xcd/0x170 [16323.287374][ T7704] do_syscall_64+0xc6/0x1e0 [16323.287374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16323.287374][ T7704] [16323.289625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16323.289625][ T7704] netdev_get_by_index+0x5e/0x80 [16323.289625][ T7704] fib6_nh_init+0x3d8/0x15b0 [16323.289625][ T7704] ip6_route_info_create+0xf18/0x17d0 [16323.289625][ T7704] addrconf_f6i_alloc+0x315/0x560 [16323.289625][ T7704] ipv6_add_addr+0x411/0x2000 [16323.289625][ T7704] inet6_addr_add+0x30e/0xa40 [16323.289625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16323.289625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16323.289625][ T7704] netlink_rcv_skb+0x130/0x360 [16323.289625][ T7704] netlink_unicast+0x449/0x710 [16323.289625][ T7704] netlink_sendmsg+0x723/0xbe0 [16323.289625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16323.289625][ T7704] ___sys_sendmsg+0xee/0x170 [16323.289625][ T7704] __sys_sendmsg+0xcd/0x170 [16323.289625][ T7704] do_syscall_64+0xc6/0x1e0 [16323.289625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16323.289625][ T7704] [16323.291835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16323.291835][ T7704] netdev_get_by_index+0x5e/0x80 [16323.291835][ T7704] fib6_nh_init+0x3d8/0x15b0 [16323.291835][ T7704] ip6_route_info_create+0xf18/0x17d0 [16323.291835][ T7704] ip6_route_add+0x1c/0x140 [16323.291835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16323.291835][ T7704] addrconf_add_dev+0xe2/0x170 [16323.291835][ T7704] inet6_addr_add+0x12f/0xa40 [16323.291835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16323.291835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16323.291835][ T7704] netlink_rcv_skb+0x130/0x360 [16323.291835][ T7704] netlink_unicast+0x449/0x710 [16323.291835][ T7704] netlink_sendmsg+0x723/0xbe0 [16323.291835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16323.291835][ T7704] ___sys_sendmsg+0xee/0x170 [16323.291835][ T7704] __sys_sendmsg+0xcd/0x170 [16323.291835][ T7704] do_syscall_64+0xc6/0x1e0 [16323.291835][ T7704] [16323.294011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16323.294011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16323.294011][ T7704] ipv6_find_idev+0x102/0x170 [16323.294011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16323.294011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16323.294011][ T7704] netlink_rcv_skb+0x130/0x360 [16323.294011][ T7704] netlink_unicast+0x449/0x710 [16323.294011][ T7704] netlink_sendmsg+0x723/0xbe0 [16323.294011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16323.294011][ T7704] ___sys_sendmsg+0xee/0x170 [16323.294011][ T7704] __sys_sendmsg+0xcd/0x170 [16323.294011][ T7704] do_syscall_64+0xc6/0x1e0 [16323.294011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16323.294011][ T7704] [16323.295713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16323.295713][ T7704] neigh_parms_alloc+0x1e5/0x510 [16323.295713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16323.295713][ T7704] ipv6_find_idev+0x102/0x170 [16323.295713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16323.295713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16323.295713][ T7704] netlink_rcv_skb+0x130/0x360 [16323.295713][ T7704] netlink_unicast+0x449/0x710 [16323.295713][ T7704] netlink_sendmsg+0x723/0xbe0 [16323.295713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16323.295713][ T7704] ___sys_sendmsg+0xee/0x170 [16323.295713][ T7704] __sys_sendmsg+0xcd/0x170 [16323.295713][ T7704] do_syscall_64+0xc6/0x1e0 [16323.295713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16323.295713][ T7704] [16333.534948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16333.535423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16333.535423][ T7704] netdev_get_by_index+0x5e/0x80 [16333.535423][ T7704] fib6_nh_init+0x3d8/0x15b0 [16333.535423][ T7704] ip6_route_info_create+0xf18/0x17d0 [16333.535423][ T7704] ip6_route_add+0x1c/0x140 [16333.535423][ T7704] addrconf_prefix_route+0x2a6/0x430 [16333.535423][ T7704] inet6_addr_add+0x4f8/0xa40 [16333.535423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16333.535423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16333.535423][ T7704] netlink_rcv_skb+0x130/0x360 [16333.535423][ T7704] netlink_unicast+0x449/0x710 [16333.535423][ T7704] netlink_sendmsg+0x723/0xbe0 [16333.535423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16333.535423][ T7704] ___sys_sendmsg+0xee/0x170 [16333.535423][ T7704] __sys_sendmsg+0xcd/0x170 [16333.535423][ T7704] do_syscall_64+0xc6/0x1e0 [16333.535423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16333.535423][ T7704] [16333.537674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16333.537674][ T7704] netdev_get_by_index+0x5e/0x80 [16333.537674][ T7704] fib6_nh_init+0x3d8/0x15b0 [16333.537674][ T7704] ip6_route_info_create+0xf18/0x17d0 [16333.537674][ T7704] addrconf_f6i_alloc+0x315/0x560 [16333.537674][ T7704] ipv6_add_addr+0x411/0x2000 [16333.537674][ T7704] inet6_addr_add+0x30e/0xa40 [16333.537674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16333.537674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16333.537674][ T7704] netlink_rcv_skb+0x130/0x360 [16333.537674][ T7704] netlink_unicast+0x449/0x710 [16333.537674][ T7704] netlink_sendmsg+0x723/0xbe0 [16333.537674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16333.537674][ T7704] ___sys_sendmsg+0xee/0x170 [16333.537674][ T7704] __sys_sendmsg+0xcd/0x170 [16333.537674][ T7704] do_syscall_64+0xc6/0x1e0 [16333.537674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16333.537674][ T7704] [16333.539885][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16333.539885][ T7704] netdev_get_by_index+0x5e/0x80 [16333.539885][ T7704] fib6_nh_init+0x3d8/0x15b0 [16333.539885][ T7704] ip6_route_info_create+0xf18/0x17d0 [16333.539885][ T7704] ip6_route_add+0x1c/0x140 [16333.539885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16333.539885][ T7704] addrconf_add_dev+0xe2/0x170 [16333.539885][ T7704] inet6_addr_add+0x12f/0xa40 [16333.539885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16333.539885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16333.539885][ T7704] netlink_rcv_skb+0x130/0x360 [16333.539885][ T7704] netlink_unicast+0x449/0x710 [16333.539885][ T7704] netlink_sendmsg+0x723/0xbe0 [16333.539885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16333.539885][ T7704] ___sys_sendmsg+0xee/0x170 [16333.539885][ T7704] __sys_sendmsg+0xcd/0x170 [16333.539885][ T7704] do_syscall_64+0xc6/0x1e0 [16333.539885][ T7704] [16333.542066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16333.542066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16333.542066][ T7704] ipv6_find_idev+0x102/0x170 [16333.542066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16333.542066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16333.542066][ T7704] netlink_rcv_skb+0x130/0x360 [16333.542066][ T7704] netlink_unicast+0x449/0x710 [16333.542066][ T7704] netlink_sendmsg+0x723/0xbe0 [16333.542066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16333.542066][ T7704] ___sys_sendmsg+0xee/0x170 [16333.542066][ T7704] __sys_sendmsg+0xcd/0x170 [16333.542066][ T7704] do_syscall_64+0xc6/0x1e0 [16333.542066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16333.542066][ T7704] [16333.543795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16333.543795][ T7704] neigh_parms_alloc+0x1e5/0x510 [16333.543795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16333.543795][ T7704] ipv6_find_idev+0x102/0x170 [16333.543795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16333.543795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16333.543795][ T7704] netlink_rcv_skb+0x130/0x360 [16333.543795][ T7704] netlink_unicast+0x449/0x710 [16333.543795][ T7704] netlink_sendmsg+0x723/0xbe0 [16333.543795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16333.543795][ T7704] ___sys_sendmsg+0xee/0x170 [16333.543795][ T7704] __sys_sendmsg+0xcd/0x170 [16333.543795][ T7704] do_syscall_64+0xc6/0x1e0 [16333.543795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16333.543795][ T7704] [16343.782956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16343.783433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16343.783433][ T7704] netdev_get_by_index+0x5e/0x80 [16343.783433][ T7704] fib6_nh_init+0x3d8/0x15b0 [16343.783433][ T7704] ip6_route_info_create+0xf18/0x17d0 [16343.783433][ T7704] ip6_route_add+0x1c/0x140 [16343.783433][ T7704] addrconf_prefix_route+0x2a6/0x430 [16343.783433][ T7704] inet6_addr_add+0x4f8/0xa40 [16343.783433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16343.783433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16343.783433][ T7704] netlink_rcv_skb+0x130/0x360 [16343.783433][ T7704] netlink_unicast+0x449/0x710 [16343.783433][ T7704] netlink_sendmsg+0x723/0xbe0 [16343.783433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16343.783433][ T7704] ___sys_sendmsg+0xee/0x170 [16343.783433][ T7704] __sys_sendmsg+0xcd/0x170 [16343.783433][ T7704] do_syscall_64+0xc6/0x1e0 [16343.783433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16343.783433][ T7704] [16343.785687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16343.785687][ T7704] netdev_get_by_index+0x5e/0x80 [16343.785687][ T7704] fib6_nh_init+0x3d8/0x15b0 [16343.785687][ T7704] ip6_route_info_create+0xf18/0x17d0 [16343.785687][ T7704] addrconf_f6i_alloc+0x315/0x560 [16343.785687][ T7704] ipv6_add_addr+0x411/0x2000 [16343.785687][ T7704] inet6_addr_add+0x30e/0xa40 [16343.785687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16343.785687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16343.785687][ T7704] netlink_rcv_skb+0x130/0x360 [16343.785687][ T7704] netlink_unicast+0x449/0x710 [16343.785687][ T7704] netlink_sendmsg+0x723/0xbe0 [16343.785687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16343.785687][ T7704] ___sys_sendmsg+0xee/0x170 [16343.785687][ T7704] __sys_sendmsg+0xcd/0x170 [16343.785687][ T7704] do_syscall_64+0xc6/0x1e0 [16343.785687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16343.785687][ T7704] [16343.787961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16343.787961][ T7704] netdev_get_by_index+0x5e/0x80 [16343.787961][ T7704] fib6_nh_init+0x3d8/0x15b0 [16343.787961][ T7704] ip6_route_info_create+0xf18/0x17d0 [16343.787961][ T7704] ip6_route_add+0x1c/0x140 [16343.787961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16343.787961][ T7704] addrconf_add_dev+0xe2/0x170 [16343.787961][ T7704] inet6_addr_add+0x12f/0xa40 [16343.787961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16343.787961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16343.787961][ T7704] netlink_rcv_skb+0x130/0x360 [16343.787961][ T7704] netlink_unicast+0x449/0x710 [16343.787961][ T7704] netlink_sendmsg+0x723/0xbe0 [16343.787961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16343.787961][ T7704] ___sys_sendmsg+0xee/0x170 [16343.787961][ T7704] __sys_sendmsg+0xcd/0x170 [16343.787961][ T7704] do_syscall_64+0xc6/0x1e0 [16343.787961][ T7704] [16343.790145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16343.790145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16343.790145][ T7704] ipv6_find_idev+0x102/0x170 [16343.790145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16343.790145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16343.790145][ T7704] netlink_rcv_skb+0x130/0x360 [16343.790145][ T7704] netlink_unicast+0x449/0x710 [16343.790145][ T7704] netlink_sendmsg+0x723/0xbe0 [16343.790145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16343.790145][ T7704] ___sys_sendmsg+0xee/0x170 [16343.790145][ T7704] __sys_sendmsg+0xcd/0x170 [16343.790145][ T7704] do_syscall_64+0xc6/0x1e0 [16343.790145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16343.790145][ T7704] [16343.791847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16343.791847][ T7704] neigh_parms_alloc+0x1e5/0x510 [16343.791847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16343.791847][ T7704] ipv6_find_idev+0x102/0x170 [16343.791847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16343.791847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16343.791847][ T7704] netlink_rcv_skb+0x130/0x360 [16343.791847][ T7704] netlink_unicast+0x449/0x710 [16343.791847][ T7704] netlink_sendmsg+0x723/0xbe0 [16343.791847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16343.791847][ T7704] ___sys_sendmsg+0xee/0x170 [16343.791847][ T7704] __sys_sendmsg+0xcd/0x170 [16343.791847][ T7704] do_syscall_64+0xc6/0x1e0 [16343.791847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16343.791847][ T7704] [16354.007002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16354.008104][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16354.008104][ T7704] netdev_get_by_index+0x5e/0x80 [16354.008104][ T7704] fib6_nh_init+0x3d8/0x15b0 [16354.008104][ T7704] ip6_route_info_create+0xf18/0x17d0 [16354.008104][ T7704] ip6_route_add+0x1c/0x140 [16354.008104][ T7704] addrconf_prefix_route+0x2a6/0x430 [16354.008104][ T7704] inet6_addr_add+0x4f8/0xa40 [16354.008104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16354.008104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16354.008104][ T7704] netlink_rcv_skb+0x130/0x360 [16354.008104][ T7704] netlink_unicast+0x449/0x710 [16354.008104][ T7704] netlink_sendmsg+0x723/0xbe0 [16354.008104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16354.008104][ T7704] ___sys_sendmsg+0xee/0x170 [16354.008104][ T7704] __sys_sendmsg+0xcd/0x170 [16354.008104][ T7704] do_syscall_64+0xc6/0x1e0 [16354.008104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16354.008104][ T7704] [16354.010293][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16354.010293][ T7704] netdev_get_by_index+0x5e/0x80 [16354.010293][ T7704] fib6_nh_init+0x3d8/0x15b0 [16354.010293][ T7704] ip6_route_info_create+0xf18/0x17d0 [16354.010293][ T7704] addrconf_f6i_alloc+0x315/0x560 [16354.010293][ T7704] ipv6_add_addr+0x411/0x2000 [16354.010293][ T7704] inet6_addr_add+0x30e/0xa40 [16354.010293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16354.010293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16354.010293][ T7704] netlink_rcv_skb+0x130/0x360 [16354.010293][ T7704] netlink_unicast+0x449/0x710 [16354.010293][ T7704] netlink_sendmsg+0x723/0xbe0 [16354.010293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16354.010293][ T7704] ___sys_sendmsg+0xee/0x170 [16354.010293][ T7704] __sys_sendmsg+0xcd/0x170 [16354.010293][ T7704] do_syscall_64+0xc6/0x1e0 [16354.010293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16354.010293][ T7704] [16354.012543][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16354.012543][ T7704] netdev_get_by_index+0x5e/0x80 [16354.012543][ T7704] fib6_nh_init+0x3d8/0x15b0 [16354.012543][ T7704] ip6_route_info_create+0xf18/0x17d0 [16354.012543][ T7704] ip6_route_add+0x1c/0x140 [16354.012543][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16354.012543][ T7704] addrconf_add_dev+0xe2/0x170 [16354.012543][ T7704] inet6_addr_add+0x12f/0xa40 [16354.012543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16354.012543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16354.012543][ T7704] netlink_rcv_skb+0x130/0x360 [16354.012543][ T7704] netlink_unicast+0x449/0x710 [16354.012543][ T7704] netlink_sendmsg+0x723/0xbe0 [16354.012543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16354.012543][ T7704] ___sys_sendmsg+0xee/0x170 [16354.012543][ T7704] __sys_sendmsg+0xcd/0x170 [16354.012543][ T7704] do_syscall_64+0xc6/0x1e0 [16354.012543][ T7704] [16354.014742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16354.014742][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16354.014742][ T7704] ipv6_find_idev+0x102/0x170 [16354.014742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16354.014742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16354.014742][ T7704] netlink_rcv_skb+0x130/0x360 [16354.014742][ T7704] netlink_unicast+0x449/0x710 [16354.014742][ T7704] netlink_sendmsg+0x723/0xbe0 [16354.014742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16354.014742][ T7704] ___sys_sendmsg+0xee/0x170 [16354.014742][ T7704] __sys_sendmsg+0xcd/0x170 [16354.014742][ T7704] do_syscall_64+0xc6/0x1e0 [16354.014742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16354.014742][ T7704] [16354.016418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16354.016418][ T7704] neigh_parms_alloc+0x1e5/0x510 [16354.016418][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16354.016418][ T7704] ipv6_find_idev+0x102/0x170 [16354.016418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16354.016418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16354.016418][ T7704] netlink_rcv_skb+0x130/0x360 [16354.016418][ T7704] netlink_unicast+0x449/0x710 [16354.016418][ T7704] netlink_sendmsg+0x723/0xbe0 [16354.016418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16354.016418][ T7704] ___sys_sendmsg+0xee/0x170 [16354.016418][ T7704] __sys_sendmsg+0xcd/0x170 [16354.016418][ T7704] do_syscall_64+0xc6/0x1e0 [16354.016418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16354.016418][ T7704] [16364.255034][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16364.255593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16364.255593][ T7704] netdev_get_by_index+0x5e/0x80 [16364.255593][ T7704] fib6_nh_init+0x3d8/0x15b0 [16364.255593][ T7704] ip6_route_info_create+0xf18/0x17d0 [16364.255593][ T7704] ip6_route_add+0x1c/0x140 [16364.255593][ T7704] addrconf_prefix_route+0x2a6/0x430 [16364.255593][ T7704] inet6_addr_add+0x4f8/0xa40 [16364.255593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16364.255593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16364.255593][ T7704] netlink_rcv_skb+0x130/0x360 [16364.255593][ T7704] netlink_unicast+0x449/0x710 [16364.255593][ T7704] netlink_sendmsg+0x723/0xbe0 [16364.255593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16364.255593][ T7704] ___sys_sendmsg+0xee/0x170 [16364.255593][ T7704] __sys_sendmsg+0xcd/0x170 [16364.255593][ T7704] do_syscall_64+0xc6/0x1e0 [16364.255593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16364.255593][ T7704] [16364.257772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16364.257772][ T7704] netdev_get_by_index+0x5e/0x80 [16364.257772][ T7704] fib6_nh_init+0x3d8/0x15b0 [16364.257772][ T7704] ip6_route_info_create+0xf18/0x17d0 [16364.257772][ T7704] addrconf_f6i_alloc+0x315/0x560 [16364.257772][ T7704] ipv6_add_addr+0x411/0x2000 [16364.257772][ T7704] inet6_addr_add+0x30e/0xa40 [16364.257772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16364.257772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16364.257772][ T7704] netlink_rcv_skb+0x130/0x360 [16364.257772][ T7704] netlink_unicast+0x449/0x710 [16364.257772][ T7704] netlink_sendmsg+0x723/0xbe0 [16364.257772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16364.257772][ T7704] ___sys_sendmsg+0xee/0x170 [16364.257772][ T7704] __sys_sendmsg+0xcd/0x170 [16364.257772][ T7704] do_syscall_64+0xc6/0x1e0 [16364.257772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16364.257772][ T7704] [16364.259971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16364.259971][ T7704] netdev_get_by_index+0x5e/0x80 [16364.259971][ T7704] fib6_nh_init+0x3d8/0x15b0 [16364.259971][ T7704] ip6_route_info_create+0xf18/0x17d0 [16364.259971][ T7704] ip6_route_add+0x1c/0x140 [16364.259971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16364.259971][ T7704] addrconf_add_dev+0xe2/0x170 [16364.259971][ T7704] inet6_addr_add+0x12f/0xa40 [16364.259971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16364.259971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16364.259971][ T7704] netlink_rcv_skb+0x130/0x360 [16364.259971][ T7704] netlink_unicast+0x449/0x710 [16364.259971][ T7704] netlink_sendmsg+0x723/0xbe0 [16364.259971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16364.259971][ T7704] ___sys_sendmsg+0xee/0x170 [16364.259971][ T7704] __sys_sendmsg+0xcd/0x170 [16364.259971][ T7704] do_syscall_64+0xc6/0x1e0 [16364.259971][ T7704] [16364.262110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16364.262110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16364.262110][ T7704] ipv6_find_idev+0x102/0x170 [16364.262110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16364.262110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16364.262110][ T7704] netlink_rcv_skb+0x130/0x360 [16364.262110][ T7704] netlink_unicast+0x449/0x710 [16364.262110][ T7704] netlink_sendmsg+0x723/0xbe0 [16364.262110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16364.262110][ T7704] ___sys_sendmsg+0xee/0x170 [16364.262110][ T7704] __sys_sendmsg+0xcd/0x170 [16364.262110][ T7704] do_syscall_64+0xc6/0x1e0 [16364.262110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16364.262110][ T7704] [16364.263798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16364.263798][ T7704] neigh_parms_alloc+0x1e5/0x510 [16364.263798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16364.263798][ T7704] ipv6_find_idev+0x102/0x170 [16364.263798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16364.263798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16364.263798][ T7704] netlink_rcv_skb+0x130/0x360 [16364.263798][ T7704] netlink_unicast+0x449/0x710 [16364.263798][ T7704] netlink_sendmsg+0x723/0xbe0 [16364.263798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16364.263798][ T7704] ___sys_sendmsg+0xee/0x170 [16364.263798][ T7704] __sys_sendmsg+0xcd/0x170 [16364.263798][ T7704] do_syscall_64+0xc6/0x1e0 [16364.263798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16364.263798][ T7704] [16374.503027][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16374.503574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16374.503574][ T7704] netdev_get_by_index+0x5e/0x80 [16374.503574][ T7704] fib6_nh_init+0x3d8/0x15b0 [16374.503574][ T7704] ip6_route_info_create+0xf18/0x17d0 [16374.503574][ T7704] ip6_route_add+0x1c/0x140 [16374.503574][ T7704] addrconf_prefix_route+0x2a6/0x430 [16374.503574][ T7704] inet6_addr_add+0x4f8/0xa40 [16374.503574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16374.503574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16374.503574][ T7704] netlink_rcv_skb+0x130/0x360 [16374.503574][ T7704] netlink_unicast+0x449/0x710 [16374.503574][ T7704] netlink_sendmsg+0x723/0xbe0 [16374.503574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16374.503574][ T7704] ___sys_sendmsg+0xee/0x170 [16374.503574][ T7704] __sys_sendmsg+0xcd/0x170 [16374.503574][ T7704] do_syscall_64+0xc6/0x1e0 [16374.503574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16374.503574][ T7704] [16374.505816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16374.505816][ T7704] netdev_get_by_index+0x5e/0x80 [16374.505816][ T7704] fib6_nh_init+0x3d8/0x15b0 [16374.505816][ T7704] ip6_route_info_create+0xf18/0x17d0 [16374.505816][ T7704] addrconf_f6i_alloc+0x315/0x560 [16374.505816][ T7704] ipv6_add_addr+0x411/0x2000 [16374.505816][ T7704] inet6_addr_add+0x30e/0xa40 [16374.505816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16374.505816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16374.505816][ T7704] netlink_rcv_skb+0x130/0x360 [16374.505816][ T7704] netlink_unicast+0x449/0x710 [16374.505816][ T7704] netlink_sendmsg+0x723/0xbe0 [16374.505816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16374.505816][ T7704] ___sys_sendmsg+0xee/0x170 [16374.505816][ T7704] __sys_sendmsg+0xcd/0x170 [16374.505816][ T7704] do_syscall_64+0xc6/0x1e0 [16374.505816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16374.505816][ T7704] [16374.508030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16374.508030][ T7704] netdev_get_by_index+0x5e/0x80 [16374.508030][ T7704] fib6_nh_init+0x3d8/0x15b0 [16374.508030][ T7704] ip6_route_info_create+0xf18/0x17d0 [16374.508030][ T7704] ip6_route_add+0x1c/0x140 [16374.508030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16374.508030][ T7704] addrconf_add_dev+0xe2/0x170 [16374.508030][ T7704] inet6_addr_add+0x12f/0xa40 [16374.508030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16374.508030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16374.508030][ T7704] netlink_rcv_skb+0x130/0x360 [16374.508030][ T7704] netlink_unicast+0x449/0x710 [16374.508030][ T7704] netlink_sendmsg+0x723/0xbe0 [16374.508030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16374.508030][ T7704] ___sys_sendmsg+0xee/0x170 [16374.508030][ T7704] __sys_sendmsg+0xcd/0x170 [16374.508030][ T7704] do_syscall_64+0xc6/0x1e0 [16374.508030][ T7704] [16374.510228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16374.510228][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16374.510228][ T7704] ipv6_find_idev+0x102/0x170 [16374.510228][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16374.510228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16374.510228][ T7704] netlink_rcv_skb+0x130/0x360 [16374.510228][ T7704] netlink_unicast+0x449/0x710 [16374.510228][ T7704] netlink_sendmsg+0x723/0xbe0 [16374.510228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16374.510228][ T7704] ___sys_sendmsg+0xee/0x170 [16374.510228][ T7704] __sys_sendmsg+0xcd/0x170 [16374.510228][ T7704] do_syscall_64+0xc6/0x1e0 [16374.510228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16374.510228][ T7704] [16374.511932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16374.511932][ T7704] neigh_parms_alloc+0x1e5/0x510 [16374.511932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16374.511932][ T7704] ipv6_find_idev+0x102/0x170 [16374.511932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16374.511932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16374.511932][ T7704] netlink_rcv_skb+0x130/0x360 [16374.511932][ T7704] netlink_unicast+0x449/0x710 [16374.511932][ T7704] netlink_sendmsg+0x723/0xbe0 [16374.511932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16374.511932][ T7704] ___sys_sendmsg+0xee/0x170 [16374.511932][ T7704] __sys_sendmsg+0xcd/0x170 [16374.511932][ T7704] do_syscall_64+0xc6/0x1e0 [16374.511932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16374.511932][ T7704] [16384.518950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16384.519461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16384.519461][ T7704] netdev_get_by_index+0x5e/0x80 [16384.519461][ T7704] fib6_nh_init+0x3d8/0x15b0 [16384.519461][ T7704] ip6_route_info_create+0xf18/0x17d0 [16384.519461][ T7704] ip6_route_add+0x1c/0x140 [16384.519461][ T7704] addrconf_prefix_route+0x2a6/0x430 [16384.519461][ T7704] inet6_addr_add+0x4f8/0xa40 [16384.519461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16384.519461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16384.519461][ T7704] netlink_rcv_skb+0x130/0x360 [16384.519461][ T7704] netlink_unicast+0x449/0x710 [16384.519461][ T7704] netlink_sendmsg+0x723/0xbe0 [16384.519461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16384.519461][ T7704] ___sys_sendmsg+0xee/0x170 [16384.519461][ T7704] __sys_sendmsg+0xcd/0x170 [16384.519461][ T7704] do_syscall_64+0xc6/0x1e0 [16384.519461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16384.519461][ T7704] [16384.521768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16384.521768][ T7704] netdev_get_by_index+0x5e/0x80 [16384.521768][ T7704] fib6_nh_init+0x3d8/0x15b0 [16384.521768][ T7704] ip6_route_info_create+0xf18/0x17d0 [16384.521768][ T7704] addrconf_f6i_alloc+0x315/0x560 [16384.521768][ T7704] ipv6_add_addr+0x411/0x2000 [16384.521768][ T7704] inet6_addr_add+0x30e/0xa40 [16384.521768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16384.521768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16384.521768][ T7704] netlink_rcv_skb+0x130/0x360 [16384.521768][ T7704] netlink_unicast+0x449/0x710 [16384.521768][ T7704] netlink_sendmsg+0x723/0xbe0 [16384.521768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16384.521768][ T7704] ___sys_sendmsg+0xee/0x170 [16384.521768][ T7704] __sys_sendmsg+0xcd/0x170 [16384.521768][ T7704] do_syscall_64+0xc6/0x1e0 [16384.521768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16384.521768][ T7704] [16384.524064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16384.524064][ T7704] netdev_get_by_index+0x5e/0x80 [16384.524064][ T7704] fib6_nh_init+0x3d8/0x15b0 [16384.524064][ T7704] ip6_route_info_create+0xf18/0x17d0 [16384.524064][ T7704] ip6_route_add+0x1c/0x140 [16384.524064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16384.524064][ T7704] addrconf_add_dev+0xe2/0x170 [16384.524064][ T7704] inet6_addr_add+0x12f/0xa40 [16384.524064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16384.524064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16384.524064][ T7704] netlink_rcv_skb+0x130/0x360 [16384.524064][ T7704] netlink_unicast+0x449/0x710 [16384.524064][ T7704] netlink_sendmsg+0x723/0xbe0 [16384.524064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16384.524064][ T7704] ___sys_sendmsg+0xee/0x170 [16384.524064][ T7704] __sys_sendmsg+0xcd/0x170 [16384.524064][ T7704] do_syscall_64+0xc6/0x1e0 [16384.524064][ T7704] [16384.526302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16384.526302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16384.526302][ T7704] ipv6_find_idev+0x102/0x170 [16384.526302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16384.526302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16384.526302][ T7704] netlink_rcv_skb+0x130/0x360 [16384.526302][ T7704] netlink_unicast+0x449/0x710 [16384.526302][ T7704] netlink_sendmsg+0x723/0xbe0 [16384.526302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16384.526302][ T7704] ___sys_sendmsg+0xee/0x170 [16384.526302][ T7704] __sys_sendmsg+0xcd/0x170 [16384.526302][ T7704] do_syscall_64+0xc6/0x1e0 [16384.526302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16384.526302][ T7704] [16384.528048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16384.528048][ T7704] neigh_parms_alloc+0x1e5/0x510 [16384.528048][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16384.528048][ T7704] ipv6_find_idev+0x102/0x170 [16384.528048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16384.528048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16384.528048][ T7704] netlink_rcv_skb+0x130/0x360 [16384.528048][ T7704] netlink_unicast+0x449/0x710 [16384.528048][ T7704] netlink_sendmsg+0x723/0xbe0 [16384.528048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16384.528048][ T7704] ___sys_sendmsg+0xee/0x170 [16384.528048][ T7704] __sys_sendmsg+0xcd/0x170 [16384.528048][ T7704] do_syscall_64+0xc6/0x1e0 [16384.528048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16384.528048][ T7704] [16394.766917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16394.767428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16394.767428][ T7704] netdev_get_by_index+0x5e/0x80 [16394.767428][ T7704] fib6_nh_init+0x3d8/0x15b0 [16394.767428][ T7704] ip6_route_info_create+0xf18/0x17d0 [16394.767428][ T7704] ip6_route_add+0x1c/0x140 [16394.767428][ T7704] addrconf_prefix_route+0x2a6/0x430 [16394.767428][ T7704] inet6_addr_add+0x4f8/0xa40 [16394.767428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16394.767428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16394.767428][ T7704] netlink_rcv_skb+0x130/0x360 [16394.767428][ T7704] netlink_unicast+0x449/0x710 [16394.767428][ T7704] netlink_sendmsg+0x723/0xbe0 [16394.767428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16394.767428][ T7704] ___sys_sendmsg+0xee/0x170 [16394.767428][ T7704] __sys_sendmsg+0xcd/0x170 [16394.767428][ T7704] do_syscall_64+0xc6/0x1e0 [16394.767428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16394.767428][ T7704] [16394.769749][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16394.769749][ T7704] netdev_get_by_index+0x5e/0x80 [16394.769749][ T7704] fib6_nh_init+0x3d8/0x15b0 [16394.769749][ T7704] ip6_route_info_create+0xf18/0x17d0 [16394.769749][ T7704] addrconf_f6i_alloc+0x315/0x560 [16394.769749][ T7704] ipv6_add_addr+0x411/0x2000 [16394.769749][ T7704] inet6_addr_add+0x30e/0xa40 [16394.769749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16394.769749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16394.769749][ T7704] netlink_rcv_skb+0x130/0x360 [16394.769749][ T7704] netlink_unicast+0x449/0x710 [16394.769749][ T7704] netlink_sendmsg+0x723/0xbe0 [16394.769749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16394.769749][ T7704] ___sys_sendmsg+0xee/0x170 [16394.769749][ T7704] __sys_sendmsg+0xcd/0x170 [16394.769749][ T7704] do_syscall_64+0xc6/0x1e0 [16394.769749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16394.769749][ T7704] [16394.772044][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16394.772044][ T7704] netdev_get_by_index+0x5e/0x80 [16394.772044][ T7704] fib6_nh_init+0x3d8/0x15b0 [16394.772044][ T7704] ip6_route_info_create+0xf18/0x17d0 [16394.772044][ T7704] ip6_route_add+0x1c/0x140 [16394.772044][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16394.772044][ T7704] addrconf_add_dev+0xe2/0x170 [16394.772044][ T7704] inet6_addr_add+0x12f/0xa40 [16394.772044][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16394.772044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16394.772044][ T7704] netlink_rcv_skb+0x130/0x360 [16394.772044][ T7704] netlink_unicast+0x449/0x710 [16394.772044][ T7704] netlink_sendmsg+0x723/0xbe0 [16394.772044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16394.772044][ T7704] ___sys_sendmsg+0xee/0x170 [16394.772044][ T7704] __sys_sendmsg+0xcd/0x170 [16394.772044][ T7704] do_syscall_64+0xc6/0x1e0 [16394.772044][ T7704] [16394.774839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16394.774839][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16394.774839][ T7704] ipv6_find_idev+0x102/0x170 [16394.774839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16394.774839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16394.774839][ T7704] netlink_rcv_skb+0x130/0x360 [16394.774839][ T7704] netlink_unicast+0x449/0x710 [16394.774839][ T7704] netlink_sendmsg+0x723/0xbe0 [16394.774839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16394.774839][ T7704] ___sys_sendmsg+0xee/0x170 [16394.774839][ T7704] __sys_sendmsg+0xcd/0x170 [16394.774839][ T7704] do_syscall_64+0xc6/0x1e0 [16394.774839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16394.774839][ T7704] [16394.776583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16394.776583][ T7704] neigh_parms_alloc+0x1e5/0x510 [16394.776583][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16394.776583][ T7704] ipv6_find_idev+0x102/0x170 [16394.776583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16394.776583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16394.776583][ T7704] netlink_rcv_skb+0x130/0x360 [16394.776583][ T7704] netlink_unicast+0x449/0x710 [16394.776583][ T7704] netlink_sendmsg+0x723/0xbe0 [16394.776583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16394.776583][ T7704] ___sys_sendmsg+0xee/0x170 [16394.776583][ T7704] __sys_sendmsg+0xcd/0x170 [16394.776583][ T7704] do_syscall_64+0xc6/0x1e0 [16394.776583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16394.776583][ T7704] [16404.847091][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16404.847613][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16404.847613][ T7704] netdev_get_by_index+0x5e/0x80 [16404.847613][ T7704] fib6_nh_init+0x3d8/0x15b0 [16404.847613][ T7704] ip6_route_info_create+0xf18/0x17d0 [16404.847613][ T7704] ip6_route_add+0x1c/0x140 [16404.847613][ T7704] addrconf_prefix_route+0x2a6/0x430 [16404.847613][ T7704] inet6_addr_add+0x4f8/0xa40 [16404.847613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16404.847613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16404.847613][ T7704] netlink_rcv_skb+0x130/0x360 [16404.847613][ T7704] netlink_unicast+0x449/0x710 [16404.847613][ T7704] netlink_sendmsg+0x723/0xbe0 [16404.847613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16404.847613][ T7704] ___sys_sendmsg+0xee/0x170 [16404.847613][ T7704] __sys_sendmsg+0xcd/0x170 [16404.847613][ T7704] do_syscall_64+0xc6/0x1e0 [16404.847613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16404.847613][ T7704] [16404.849858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16404.849858][ T7704] netdev_get_by_index+0x5e/0x80 [16404.849858][ T7704] fib6_nh_init+0x3d8/0x15b0 [16404.849858][ T7704] ip6_route_info_create+0xf18/0x17d0 [16404.849858][ T7704] addrconf_f6i_alloc+0x315/0x560 [16404.849858][ T7704] ipv6_add_addr+0x411/0x2000 [16404.849858][ T7704] inet6_addr_add+0x30e/0xa40 [16404.849858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16404.849858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16404.849858][ T7704] netlink_rcv_skb+0x130/0x360 [16404.849858][ T7704] netlink_unicast+0x449/0x710 [16404.849858][ T7704] netlink_sendmsg+0x723/0xbe0 [16404.849858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16404.849858][ T7704] ___sys_sendmsg+0xee/0x170 [16404.849858][ T7704] __sys_sendmsg+0xcd/0x170 [16404.849858][ T7704] do_syscall_64+0xc6/0x1e0 [16404.849858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16404.849858][ T7704] [16404.852076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16404.852076][ T7704] netdev_get_by_index+0x5e/0x80 [16404.852076][ T7704] fib6_nh_init+0x3d8/0x15b0 [16404.852076][ T7704] ip6_route_info_create+0xf18/0x17d0 [16404.852076][ T7704] ip6_route_add+0x1c/0x140 [16404.852076][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16404.852076][ T7704] addrconf_add_dev+0xe2/0x170 [16404.852076][ T7704] inet6_addr_add+0x12f/0xa40 [16404.852076][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16404.852076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16404.852076][ T7704] netlink_rcv_skb+0x130/0x360 [16404.852076][ T7704] netlink_unicast+0x449/0x710 [16404.852076][ T7704] netlink_sendmsg+0x723/0xbe0 [16404.852076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16404.852076][ T7704] ___sys_sendmsg+0xee/0x170 [16404.852076][ T7704] __sys_sendmsg+0xcd/0x170 [16404.852076][ T7704] do_syscall_64+0xc6/0x1e0 [16404.852076][ T7704] [16404.854265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16404.854265][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16404.854265][ T7704] ipv6_find_idev+0x102/0x170 [16404.854265][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16404.854265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16404.854265][ T7704] netlink_rcv_skb+0x130/0x360 [16404.854265][ T7704] netlink_unicast+0x449/0x710 [16404.854265][ T7704] netlink_sendmsg+0x723/0xbe0 [16404.854265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16404.854265][ T7704] ___sys_sendmsg+0xee/0x170 [16404.854265][ T7704] __sys_sendmsg+0xcd/0x170 [16404.854265][ T7704] do_syscall_64+0xc6/0x1e0 [16404.854265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16404.854265][ T7704] [16404.855974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16404.855974][ T7704] neigh_parms_alloc+0x1e5/0x510 [16404.855974][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16404.855974][ T7704] ipv6_find_idev+0x102/0x170 [16404.855974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16404.855974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16404.855974][ T7704] netlink_rcv_skb+0x130/0x360 [16404.855974][ T7704] netlink_unicast+0x449/0x710 [16404.855974][ T7704] netlink_sendmsg+0x723/0xbe0 [16404.855974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16404.855974][ T7704] ___sys_sendmsg+0xee/0x170 [16404.855974][ T7704] __sys_sendmsg+0xcd/0x170 [16404.855974][ T7704] do_syscall_64+0xc6/0x1e0 [16404.855974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16404.855974][ T7704] [16415.095003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16415.095502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16415.095502][ T7704] netdev_get_by_index+0x5e/0x80 [16415.095502][ T7704] fib6_nh_init+0x3d8/0x15b0 [16415.095502][ T7704] ip6_route_info_create+0xf18/0x17d0 [16415.095502][ T7704] ip6_route_add+0x1c/0x140 [16415.095502][ T7704] addrconf_prefix_route+0x2a6/0x430 [16415.095502][ T7704] inet6_addr_add+0x4f8/0xa40 [16415.095502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16415.095502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16415.095502][ T7704] netlink_rcv_skb+0x130/0x360 [16415.095502][ T7704] netlink_unicast+0x449/0x710 [16415.095502][ T7704] netlink_sendmsg+0x723/0xbe0 [16415.095502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16415.095502][ T7704] ___sys_sendmsg+0xee/0x170 [16415.095502][ T7704] __sys_sendmsg+0xcd/0x170 [16415.095502][ T7704] do_syscall_64+0xc6/0x1e0 [16415.095502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16415.095502][ T7704] [16415.097758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16415.097758][ T7704] netdev_get_by_index+0x5e/0x80 [16415.097758][ T7704] fib6_nh_init+0x3d8/0x15b0 [16415.097758][ T7704] ip6_route_info_create+0xf18/0x17d0 [16415.097758][ T7704] addrconf_f6i_alloc+0x315/0x560 [16415.097758][ T7704] ipv6_add_addr+0x411/0x2000 [16415.097758][ T7704] inet6_addr_add+0x30e/0xa40 [16415.097758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16415.097758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16415.097758][ T7704] netlink_rcv_skb+0x130/0x360 [16415.097758][ T7704] netlink_unicast+0x449/0x710 [16415.097758][ T7704] netlink_sendmsg+0x723/0xbe0 [16415.097758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16415.097758][ T7704] ___sys_sendmsg+0xee/0x170 [16415.097758][ T7704] __sys_sendmsg+0xcd/0x170 [16415.097758][ T7704] do_syscall_64+0xc6/0x1e0 [16415.097758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16415.097758][ T7704] [16415.099971][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16415.099971][ T7704] netdev_get_by_index+0x5e/0x80 [16415.099971][ T7704] fib6_nh_init+0x3d8/0x15b0 [16415.099971][ T7704] ip6_route_info_create+0xf18/0x17d0 [16415.099971][ T7704] ip6_route_add+0x1c/0x140 [16415.099971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16415.099971][ T7704] addrconf_add_dev+0xe2/0x170 [16415.099971][ T7704] inet6_addr_add+0x12f/0xa40 [16415.099971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16415.099971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16415.099971][ T7704] netlink_rcv_skb+0x130/0x360 [16415.099971][ T7704] netlink_unicast+0x449/0x710 [16415.099971][ T7704] netlink_sendmsg+0x723/0xbe0 [16415.099971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16415.099971][ T7704] ___sys_sendmsg+0xee/0x170 [16415.099971][ T7704] __sys_sendmsg+0xcd/0x170 [16415.099971][ T7704] do_syscall_64+0xc6/0x1e0 [16415.099971][ T7704] [16415.102147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16415.102147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16415.102147][ T7704] ipv6_find_idev+0x102/0x170 [16415.102147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16415.102147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16415.102147][ T7704] netlink_rcv_skb+0x130/0x360 [16415.102147][ T7704] netlink_unicast+0x449/0x710 [16415.102147][ T7704] netlink_sendmsg+0x723/0xbe0 [16415.102147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16415.102147][ T7704] ___sys_sendmsg+0xee/0x170 [16415.102147][ T7704] __sys_sendmsg+0xcd/0x170 [16415.102147][ T7704] do_syscall_64+0xc6/0x1e0 [16415.102147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16415.102147][ T7704] [16415.103856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16415.103856][ T7704] neigh_parms_alloc+0x1e5/0x510 [16415.103856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16415.103856][ T7704] ipv6_find_idev+0x102/0x170 [16415.103856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16415.103856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16415.103856][ T7704] netlink_rcv_skb+0x130/0x360 [16415.103856][ T7704] netlink_unicast+0x449/0x710 [16415.103856][ T7704] netlink_sendmsg+0x723/0xbe0 [16415.103856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16415.103856][ T7704] ___sys_sendmsg+0xee/0x170 [16415.103856][ T7704] __sys_sendmsg+0xcd/0x170 [16415.103856][ T7704] do_syscall_64+0xc6/0x1e0 [16415.103856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16415.103856][ T7704] [16425.342938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16425.343434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16425.343434][ T7704] netdev_get_by_index+0x5e/0x80 [16425.343434][ T7704] fib6_nh_init+0x3d8/0x15b0 [16425.343434][ T7704] ip6_route_info_create+0xf18/0x17d0 [16425.343434][ T7704] ip6_route_add+0x1c/0x140 [16425.343434][ T7704] addrconf_prefix_route+0x2a6/0x430 [16425.343434][ T7704] inet6_addr_add+0x4f8/0xa40 [16425.343434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16425.343434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16425.343434][ T7704] netlink_rcv_skb+0x130/0x360 [16425.343434][ T7704] netlink_unicast+0x449/0x710 [16425.343434][ T7704] netlink_sendmsg+0x723/0xbe0 [16425.343434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16425.343434][ T7704] ___sys_sendmsg+0xee/0x170 [16425.343434][ T7704] __sys_sendmsg+0xcd/0x170 [16425.343434][ T7704] do_syscall_64+0xc6/0x1e0 [16425.343434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16425.343434][ T7704] [16425.345692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16425.345692][ T7704] netdev_get_by_index+0x5e/0x80 [16425.345692][ T7704] fib6_nh_init+0x3d8/0x15b0 [16425.345692][ T7704] ip6_route_info_create+0xf18/0x17d0 [16425.345692][ T7704] addrconf_f6i_alloc+0x315/0x560 [16425.345692][ T7704] ipv6_add_addr+0x411/0x2000 [16425.345692][ T7704] inet6_addr_add+0x30e/0xa40 [16425.345692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16425.345692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16425.345692][ T7704] netlink_rcv_skb+0x130/0x360 [16425.345692][ T7704] netlink_unicast+0x449/0x710 [16425.345692][ T7704] netlink_sendmsg+0x723/0xbe0 [16425.345692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16425.345692][ T7704] ___sys_sendmsg+0xee/0x170 [16425.345692][ T7704] __sys_sendmsg+0xcd/0x170 [16425.345692][ T7704] do_syscall_64+0xc6/0x1e0 [16425.345692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16425.345692][ T7704] [16425.348572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16425.348572][ T7704] netdev_get_by_index+0x5e/0x80 [16425.348572][ T7704] fib6_nh_init+0x3d8/0x15b0 [16425.348572][ T7704] ip6_route_info_create+0xf18/0x17d0 [16425.348572][ T7704] ip6_route_add+0x1c/0x140 [16425.348572][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16425.348572][ T7704] addrconf_add_dev+0xe2/0x170 [16425.348572][ T7704] inet6_addr_add+0x12f/0xa40 [16425.348572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16425.348572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16425.348572][ T7704] netlink_rcv_skb+0x130/0x360 [16425.348572][ T7704] netlink_unicast+0x449/0x710 [16425.348572][ T7704] netlink_sendmsg+0x723/0xbe0 [16425.348572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16425.348572][ T7704] ___sys_sendmsg+0xee/0x170 [16425.348572][ T7704] __sys_sendmsg+0xcd/0x170 [16425.348572][ T7704] do_syscall_64+0xc6/0x1e0 [16425.348572][ T7704] [16425.350756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16425.350756][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16425.350756][ T7704] ipv6_find_idev+0x102/0x170 [16425.350756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16425.350756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16425.350756][ T7704] netlink_rcv_skb+0x130/0x360 [16425.350756][ T7704] netlink_unicast+0x449/0x710 [16425.350756][ T7704] netlink_sendmsg+0x723/0xbe0 [16425.350756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16425.350756][ T7704] ___sys_sendmsg+0xee/0x170 [16425.350756][ T7704] __sys_sendmsg+0xcd/0x170 [16425.350756][ T7704] do_syscall_64+0xc6/0x1e0 [16425.350756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16425.350756][ T7704] [16425.352462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16425.352462][ T7704] neigh_parms_alloc+0x1e5/0x510 [16425.352462][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16425.352462][ T7704] ipv6_find_idev+0x102/0x170 [16425.352462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16425.352462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16425.352462][ T7704] netlink_rcv_skb+0x130/0x360 [16425.352462][ T7704] netlink_unicast+0x449/0x710 [16425.352462][ T7704] netlink_sendmsg+0x723/0xbe0 [16425.352462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16425.352462][ T7704] ___sys_sendmsg+0xee/0x170 [16425.352462][ T7704] __sys_sendmsg+0xcd/0x170 [16425.352462][ T7704] do_syscall_64+0xc6/0x1e0 [16425.352462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16425.352462][ T7704] [16435.590953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16435.591433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16435.591433][ T7704] netdev_get_by_index+0x5e/0x80 [16435.591433][ T7704] fib6_nh_init+0x3d8/0x15b0 [16435.591433][ T7704] ip6_route_info_create+0xf18/0x17d0 [16435.591433][ T7704] ip6_route_add+0x1c/0x140 [16435.591433][ T7704] addrconf_prefix_route+0x2a6/0x430 [16435.591433][ T7704] inet6_addr_add+0x4f8/0xa40 [16435.591433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16435.591433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16435.591433][ T7704] netlink_rcv_skb+0x130/0x360 [16435.591433][ T7704] netlink_unicast+0x449/0x710 [16435.591433][ T7704] netlink_sendmsg+0x723/0xbe0 [16435.591433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16435.591433][ T7704] ___sys_sendmsg+0xee/0x170 [16435.591433][ T7704] __sys_sendmsg+0xcd/0x170 [16435.591433][ T7704] do_syscall_64+0xc6/0x1e0 [16435.591433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16435.591433][ T7704] [16435.593687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16435.593687][ T7704] netdev_get_by_index+0x5e/0x80 [16435.593687][ T7704] fib6_nh_init+0x3d8/0x15b0 [16435.593687][ T7704] ip6_route_info_create+0xf18/0x17d0 [16435.593687][ T7704] addrconf_f6i_alloc+0x315/0x560 [16435.593687][ T7704] ipv6_add_addr+0x411/0x2000 [16435.593687][ T7704] inet6_addr_add+0x30e/0xa40 [16435.593687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16435.593687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16435.593687][ T7704] netlink_rcv_skb+0x130/0x360 [16435.593687][ T7704] netlink_unicast+0x449/0x710 [16435.593687][ T7704] netlink_sendmsg+0x723/0xbe0 [16435.593687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16435.593687][ T7704] ___sys_sendmsg+0xee/0x170 [16435.593687][ T7704] __sys_sendmsg+0xcd/0x170 [16435.593687][ T7704] do_syscall_64+0xc6/0x1e0 [16435.593687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16435.593687][ T7704] [16435.595882][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16435.595882][ T7704] netdev_get_by_index+0x5e/0x80 [16435.595882][ T7704] fib6_nh_init+0x3d8/0x15b0 [16435.595882][ T7704] ip6_route_info_create+0xf18/0x17d0 [16435.595882][ T7704] ip6_route_add+0x1c/0x140 [16435.595882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16435.595882][ T7704] addrconf_add_dev+0xe2/0x170 [16435.595882][ T7704] inet6_addr_add+0x12f/0xa40 [16435.595882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16435.595882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16435.595882][ T7704] netlink_rcv_skb+0x130/0x360 [16435.595882][ T7704] netlink_unicast+0x449/0x710 [16435.595882][ T7704] netlink_sendmsg+0x723/0xbe0 [16435.595882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16435.595882][ T7704] ___sys_sendmsg+0xee/0x170 [16435.595882][ T7704] __sys_sendmsg+0xcd/0x170 [16435.595882][ T7704] do_syscall_64+0xc6/0x1e0 [16435.595882][ T7704] [16435.598067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16435.598067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16435.598067][ T7704] ipv6_find_idev+0x102/0x170 [16435.598067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16435.598067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16435.598067][ T7704] netlink_rcv_skb+0x130/0x360 [16435.598067][ T7704] netlink_unicast+0x449/0x710 [16435.598067][ T7704] netlink_sendmsg+0x723/0xbe0 [16435.598067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16435.598067][ T7704] ___sys_sendmsg+0xee/0x170 [16435.598067][ T7704] __sys_sendmsg+0xcd/0x170 [16435.598067][ T7704] do_syscall_64+0xc6/0x1e0 [16435.598067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16435.598067][ T7704] [16435.599773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16435.599773][ T7704] neigh_parms_alloc+0x1e5/0x510 [16435.599773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16435.599773][ T7704] ipv6_find_idev+0x102/0x170 [16435.599773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16435.599773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16435.599773][ T7704] netlink_rcv_skb+0x130/0x360 [16435.599773][ T7704] netlink_unicast+0x449/0x710 [16435.599773][ T7704] netlink_sendmsg+0x723/0xbe0 [16435.599773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16435.599773][ T7704] ___sys_sendmsg+0xee/0x170 [16435.599773][ T7704] __sys_sendmsg+0xcd/0x170 [16435.599773][ T7704] do_syscall_64+0xc6/0x1e0 [16435.599773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16435.599773][ T7704] [16445.838962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16445.839565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16445.839565][ T7704] netdev_get_by_index+0x5e/0x80 [16445.839565][ T7704] fib6_nh_init+0x3d8/0x15b0 [16445.839565][ T7704] ip6_route_info_create+0xf18/0x17d0 [16445.839565][ T7704] ip6_route_add+0x1c/0x140 [16445.839565][ T7704] addrconf_prefix_route+0x2a6/0x430 [16445.839565][ T7704] inet6_addr_add+0x4f8/0xa40 [16445.839565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16445.839565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16445.839565][ T7704] netlink_rcv_skb+0x130/0x360 [16445.839565][ T7704] netlink_unicast+0x449/0x710 [16445.839565][ T7704] netlink_sendmsg+0x723/0xbe0 [16445.839565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16445.839565][ T7704] ___sys_sendmsg+0xee/0x170 [16445.839565][ T7704] __sys_sendmsg+0xcd/0x170 [16445.839565][ T7704] do_syscall_64+0xc6/0x1e0 [16445.839565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16445.839565][ T7704] [16445.841806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16445.841806][ T7704] netdev_get_by_index+0x5e/0x80 [16445.841806][ T7704] fib6_nh_init+0x3d8/0x15b0 [16445.841806][ T7704] ip6_route_info_create+0xf18/0x17d0 [16445.841806][ T7704] addrconf_f6i_alloc+0x315/0x560 [16445.841806][ T7704] ipv6_add_addr+0x411/0x2000 [16445.841806][ T7704] inet6_addr_add+0x30e/0xa40 [16445.841806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16445.841806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16445.841806][ T7704] netlink_rcv_skb+0x130/0x360 [16445.841806][ T7704] netlink_unicast+0x449/0x710 [16445.841806][ T7704] netlink_sendmsg+0x723/0xbe0 [16445.841806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16445.841806][ T7704] ___sys_sendmsg+0xee/0x170 [16445.841806][ T7704] __sys_sendmsg+0xcd/0x170 [16445.841806][ T7704] do_syscall_64+0xc6/0x1e0 [16445.841806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16445.841806][ T7704] [16445.844023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16445.844023][ T7704] netdev_get_by_index+0x5e/0x80 [16445.844023][ T7704] fib6_nh_init+0x3d8/0x15b0 [16445.844023][ T7704] ip6_route_info_create+0xf18/0x17d0 [16445.844023][ T7704] ip6_route_add+0x1c/0x140 [16445.844023][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16445.844023][ T7704] addrconf_add_dev+0xe2/0x170 [16445.844023][ T7704] inet6_addr_add+0x12f/0xa40 [16445.844023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16445.844023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16445.844023][ T7704] netlink_rcv_skb+0x130/0x360 [16445.844023][ T7704] netlink_unicast+0x449/0x710 [16445.844023][ T7704] netlink_sendmsg+0x723/0xbe0 [16445.844023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16445.844023][ T7704] ___sys_sendmsg+0xee/0x170 [16445.844023][ T7704] __sys_sendmsg+0xcd/0x170 [16445.844023][ T7704] do_syscall_64+0xc6/0x1e0 [16445.844023][ T7704] [16445.846194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16445.846194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16445.846194][ T7704] ipv6_find_idev+0x102/0x170 [16445.846194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16445.846194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16445.846194][ T7704] netlink_rcv_skb+0x130/0x360 [16445.846194][ T7704] netlink_unicast+0x449/0x710 [16445.846194][ T7704] netlink_sendmsg+0x723/0xbe0 [16445.846194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16445.846194][ T7704] ___sys_sendmsg+0xee/0x170 [16445.846194][ T7704] __sys_sendmsg+0xcd/0x170 [16445.846194][ T7704] do_syscall_64+0xc6/0x1e0 [16445.846194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16445.846194][ T7704] [16445.847893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16445.847893][ T7704] neigh_parms_alloc+0x1e5/0x510 [16445.847893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16445.847893][ T7704] ipv6_find_idev+0x102/0x170 [16445.847893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16445.847893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16445.847893][ T7704] netlink_rcv_skb+0x130/0x360 [16445.847893][ T7704] netlink_unicast+0x449/0x710 [16445.847893][ T7704] netlink_sendmsg+0x723/0xbe0 [16445.847893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16445.847893][ T7704] ___sys_sendmsg+0xee/0x170 [16445.847893][ T7704] __sys_sendmsg+0xcd/0x170 [16445.847893][ T7704] do_syscall_64+0xc6/0x1e0 [16445.847893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16445.847893][ T7704] [16456.086947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16456.087420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16456.087420][ T7704] netdev_get_by_index+0x5e/0x80 [16456.087420][ T7704] fib6_nh_init+0x3d8/0x15b0 [16456.087420][ T7704] ip6_route_info_create+0xf18/0x17d0 [16456.087420][ T7704] ip6_route_add+0x1c/0x140 [16456.087420][ T7704] addrconf_prefix_route+0x2a6/0x430 [16456.087420][ T7704] inet6_addr_add+0x4f8/0xa40 [16456.087420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16456.087420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16456.087420][ T7704] netlink_rcv_skb+0x130/0x360 [16456.087420][ T7704] netlink_unicast+0x449/0x710 [16456.087420][ T7704] netlink_sendmsg+0x723/0xbe0 [16456.087420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16456.087420][ T7704] ___sys_sendmsg+0xee/0x170 [16456.087420][ T7704] __sys_sendmsg+0xcd/0x170 [16456.087420][ T7704] do_syscall_64+0xc6/0x1e0 [16456.087420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16456.087420][ T7704] [16456.089673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16456.089673][ T7704] netdev_get_by_index+0x5e/0x80 [16456.089673][ T7704] fib6_nh_init+0x3d8/0x15b0 [16456.089673][ T7704] ip6_route_info_create+0xf18/0x17d0 [16456.089673][ T7704] addrconf_f6i_alloc+0x315/0x560 [16456.089673][ T7704] ipv6_add_addr+0x411/0x2000 [16456.089673][ T7704] inet6_addr_add+0x30e/0xa40 [16456.089673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16456.089673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16456.089673][ T7704] netlink_rcv_skb+0x130/0x360 [16456.089673][ T7704] netlink_unicast+0x449/0x710 [16456.089673][ T7704] netlink_sendmsg+0x723/0xbe0 [16456.089673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16456.089673][ T7704] ___sys_sendmsg+0xee/0x170 [16456.089673][ T7704] __sys_sendmsg+0xcd/0x170 [16456.089673][ T7704] do_syscall_64+0xc6/0x1e0 [16456.089673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16456.089673][ T7704] [16456.091893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16456.091893][ T7704] netdev_get_by_index+0x5e/0x80 [16456.091893][ T7704] fib6_nh_init+0x3d8/0x15b0 [16456.091893][ T7704] ip6_route_info_create+0xf18/0x17d0 [16456.091893][ T7704] ip6_route_add+0x1c/0x140 [16456.091893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16456.091893][ T7704] addrconf_add_dev+0xe2/0x170 [16456.091893][ T7704] inet6_addr_add+0x12f/0xa40 [16456.091893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16456.091893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16456.091893][ T7704] netlink_rcv_skb+0x130/0x360 [16456.091893][ T7704] netlink_unicast+0x449/0x710 [16456.091893][ T7704] netlink_sendmsg+0x723/0xbe0 [16456.091893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16456.091893][ T7704] ___sys_sendmsg+0xee/0x170 [16456.091893][ T7704] __sys_sendmsg+0xcd/0x170 [16456.091893][ T7704] do_syscall_64+0xc6/0x1e0 [16456.091893][ T7704] [16456.094082][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16456.094082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16456.094082][ T7704] ipv6_find_idev+0x102/0x170 [16456.094082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16456.094082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16456.094082][ T7704] netlink_rcv_skb+0x130/0x360 [16456.094082][ T7704] netlink_unicast+0x449/0x710 [16456.094082][ T7704] netlink_sendmsg+0x723/0xbe0 [16456.094082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16456.094082][ T7704] ___sys_sendmsg+0xee/0x170 [16456.094082][ T7704] __sys_sendmsg+0xcd/0x170 [16456.094082][ T7704] do_syscall_64+0xc6/0x1e0 [16456.094082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16456.094082][ T7704] [16456.095789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16456.095789][ T7704] neigh_parms_alloc+0x1e5/0x510 [16456.095789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16456.095789][ T7704] ipv6_find_idev+0x102/0x170 [16456.095789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16456.095789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16456.095789][ T7704] netlink_rcv_skb+0x130/0x360 [16456.095789][ T7704] netlink_unicast+0x449/0x710 [16456.095789][ T7704] netlink_sendmsg+0x723/0xbe0 [16456.095789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16456.095789][ T7704] ___sys_sendmsg+0xee/0x170 [16456.095789][ T7704] __sys_sendmsg+0xcd/0x170 [16456.095789][ T7704] do_syscall_64+0xc6/0x1e0 [16456.095789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16456.095789][ T7704] [16466.142963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16466.143481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16466.143481][ T7704] netdev_get_by_index+0x5e/0x80 [16466.143481][ T7704] fib6_nh_init+0x3d8/0x15b0 [16466.143481][ T7704] ip6_route_info_create+0xf18/0x17d0 [16466.143481][ T7704] ip6_route_add+0x1c/0x140 [16466.143481][ T7704] addrconf_prefix_route+0x2a6/0x430 [16466.143481][ T7704] inet6_addr_add+0x4f8/0xa40 [16466.143481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16466.143481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16466.143481][ T7704] netlink_rcv_skb+0x130/0x360 [16466.143481][ T7704] netlink_unicast+0x449/0x710 [16466.143481][ T7704] netlink_sendmsg+0x723/0xbe0 [16466.143481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16466.143481][ T7704] ___sys_sendmsg+0xee/0x170 [16466.143481][ T7704] __sys_sendmsg+0xcd/0x170 [16466.143481][ T7704] do_syscall_64+0xc6/0x1e0 [16466.143481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16466.143481][ T7704] [16466.145713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16466.145713][ T7704] netdev_get_by_index+0x5e/0x80 [16466.145713][ T7704] fib6_nh_init+0x3d8/0x15b0 [16466.145713][ T7704] ip6_route_info_create+0xf18/0x17d0 [16466.145713][ T7704] addrconf_f6i_alloc+0x315/0x560 [16466.145713][ T7704] ipv6_add_addr+0x411/0x2000 [16466.145713][ T7704] inet6_addr_add+0x30e/0xa40 [16466.145713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16466.145713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16466.145713][ T7704] netlink_rcv_skb+0x130/0x360 [16466.145713][ T7704] netlink_unicast+0x449/0x710 [16466.145713][ T7704] netlink_sendmsg+0x723/0xbe0 [16466.145713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16466.145713][ T7704] ___sys_sendmsg+0xee/0x170 [16466.145713][ T7704] __sys_sendmsg+0xcd/0x170 [16466.145713][ T7704] do_syscall_64+0xc6/0x1e0 [16466.145713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16466.145713][ T7704] [16466.147947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16466.147947][ T7704] netdev_get_by_index+0x5e/0x80 [16466.147947][ T7704] fib6_nh_init+0x3d8/0x15b0 [16466.147947][ T7704] ip6_route_info_create+0xf18/0x17d0 [16466.147947][ T7704] ip6_route_add+0x1c/0x140 [16466.147947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16466.147947][ T7704] addrconf_add_dev+0xe2/0x170 [16466.147947][ T7704] inet6_addr_add+0x12f/0xa40 [16466.147947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16466.147947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16466.147947][ T7704] netlink_rcv_skb+0x130/0x360 [16466.147947][ T7704] netlink_unicast+0x449/0x710 [16466.147947][ T7704] netlink_sendmsg+0x723/0xbe0 [16466.147947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16466.147947][ T7704] ___sys_sendmsg+0xee/0x170 [16466.147947][ T7704] __sys_sendmsg+0xcd/0x170 [16466.147947][ T7704] do_syscall_64+0xc6/0x1e0 [16466.147947][ T7704] [16466.150123][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16466.150123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16466.150123][ T7704] ipv6_find_idev+0x102/0x170 [16466.150123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16466.150123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16466.150123][ T7704] netlink_rcv_skb+0x130/0x360 [16466.150123][ T7704] netlink_unicast+0x449/0x710 [16466.150123][ T7704] netlink_sendmsg+0x723/0xbe0 [16466.150123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16466.150123][ T7704] ___sys_sendmsg+0xee/0x170 [16466.150123][ T7704] __sys_sendmsg+0xcd/0x170 [16466.150123][ T7704] do_syscall_64+0xc6/0x1e0 [16466.150123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16466.150123][ T7704] [16466.151826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16466.151826][ T7704] neigh_parms_alloc+0x1e5/0x510 [16466.151826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16466.151826][ T7704] ipv6_find_idev+0x102/0x170 [16466.151826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16466.151826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16466.151826][ T7704] netlink_rcv_skb+0x130/0x360 [16466.151826][ T7704] netlink_unicast+0x449/0x710 [16466.151826][ T7704] netlink_sendmsg+0x723/0xbe0 [16466.151826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16466.151826][ T7704] ___sys_sendmsg+0xee/0x170 [16466.151826][ T7704] __sys_sendmsg+0xcd/0x170 [16466.151826][ T7704] do_syscall_64+0xc6/0x1e0 [16466.151826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16466.151826][ T7704] [16476.398886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16476.399381][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16476.399381][ T7704] netdev_get_by_index+0x5e/0x80 [16476.399381][ T7704] fib6_nh_init+0x3d8/0x15b0 [16476.399381][ T7704] ip6_route_info_create+0xf18/0x17d0 [16476.399381][ T7704] ip6_route_add+0x1c/0x140 [16476.399381][ T7704] addrconf_prefix_route+0x2a6/0x430 [16476.399381][ T7704] inet6_addr_add+0x4f8/0xa40 [16476.399381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16476.399381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16476.399381][ T7704] netlink_rcv_skb+0x130/0x360 [16476.399381][ T7704] netlink_unicast+0x449/0x710 [16476.399381][ T7704] netlink_sendmsg+0x723/0xbe0 [16476.399381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16476.399381][ T7704] ___sys_sendmsg+0xee/0x170 [16476.399381][ T7704] __sys_sendmsg+0xcd/0x170 [16476.399381][ T7704] do_syscall_64+0xc6/0x1e0 [16476.399381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16476.399381][ T7704] [16476.401618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16476.401618][ T7704] netdev_get_by_index+0x5e/0x80 [16476.401618][ T7704] fib6_nh_init+0x3d8/0x15b0 [16476.401618][ T7704] ip6_route_info_create+0xf18/0x17d0 [16476.401618][ T7704] addrconf_f6i_alloc+0x315/0x560 [16476.401618][ T7704] ipv6_add_addr+0x411/0x2000 [16476.401618][ T7704] inet6_addr_add+0x30e/0xa40 [16476.401618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16476.401618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16476.401618][ T7704] netlink_rcv_skb+0x130/0x360 [16476.401618][ T7704] netlink_unicast+0x449/0x710 [16476.401618][ T7704] netlink_sendmsg+0x723/0xbe0 [16476.401618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16476.401618][ T7704] ___sys_sendmsg+0xee/0x170 [16476.401618][ T7704] __sys_sendmsg+0xcd/0x170 [16476.401618][ T7704] do_syscall_64+0xc6/0x1e0 [16476.401618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16476.401618][ T7704] [16476.403852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16476.403852][ T7704] netdev_get_by_index+0x5e/0x80 [16476.403852][ T7704] fib6_nh_init+0x3d8/0x15b0 [16476.403852][ T7704] ip6_route_info_create+0xf18/0x17d0 [16476.403852][ T7704] ip6_route_add+0x1c/0x140 [16476.403852][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16476.403852][ T7704] addrconf_add_dev+0xe2/0x170 [16476.403852][ T7704] inet6_addr_add+0x12f/0xa40 [16476.403852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16476.403852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16476.403852][ T7704] netlink_rcv_skb+0x130/0x360 [16476.403852][ T7704] netlink_unicast+0x449/0x710 [16476.403852][ T7704] netlink_sendmsg+0x723/0xbe0 [16476.403852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16476.403852][ T7704] ___sys_sendmsg+0xee/0x170 [16476.403852][ T7704] __sys_sendmsg+0xcd/0x170 [16476.403852][ T7704] do_syscall_64+0xc6/0x1e0 [16476.403852][ T7704] [16476.406040][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16476.406040][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16476.406040][ T7704] ipv6_find_idev+0x102/0x170 [16476.406040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16476.406040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16476.406040][ T7704] netlink_rcv_skb+0x130/0x360 [16476.406040][ T7704] netlink_unicast+0x449/0x710 [16476.406040][ T7704] netlink_sendmsg+0x723/0xbe0 [16476.406040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16476.406040][ T7704] ___sys_sendmsg+0xee/0x170 [16476.406040][ T7704] __sys_sendmsg+0xcd/0x170 [16476.406040][ T7704] do_syscall_64+0xc6/0x1e0 [16476.406040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16476.406040][ T7704] [16476.407750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16476.407750][ T7704] neigh_parms_alloc+0x1e5/0x510 [16476.407750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16476.407750][ T7704] ipv6_find_idev+0x102/0x170 [16476.407750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16476.407750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16476.407750][ T7704] netlink_rcv_skb+0x130/0x360 [16476.407750][ T7704] netlink_unicast+0x449/0x710 [16476.407750][ T7704] netlink_sendmsg+0x723/0xbe0 [16476.407750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16476.407750][ T7704] ___sys_sendmsg+0xee/0x170 [16476.407750][ T7704] __sys_sendmsg+0xcd/0x170 [16476.407750][ T7704] do_syscall_64+0xc6/0x1e0 [16476.407750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16476.407750][ T7704] [16486.655031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16486.655523][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16486.655523][ T7704] netdev_get_by_index+0x5e/0x80 [16486.655523][ T7704] fib6_nh_init+0x3d8/0x15b0 [16486.655523][ T7704] ip6_route_info_create+0xf18/0x17d0 [16486.655523][ T7704] ip6_route_add+0x1c/0x140 [16486.655523][ T7704] addrconf_prefix_route+0x2a6/0x430 [16486.655523][ T7704] inet6_addr_add+0x4f8/0xa40 [16486.655523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16486.655523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16486.655523][ T7704] netlink_rcv_skb+0x130/0x360 [16486.655523][ T7704] netlink_unicast+0x449/0x710 [16486.655523][ T7704] netlink_sendmsg+0x723/0xbe0 [16486.655523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16486.655523][ T7704] ___sys_sendmsg+0xee/0x170 [16486.655523][ T7704] __sys_sendmsg+0xcd/0x170 [16486.655523][ T7704] do_syscall_64+0xc6/0x1e0 [16486.655523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16486.655523][ T7704] [16486.657760][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16486.657760][ T7704] netdev_get_by_index+0x5e/0x80 [16486.657760][ T7704] fib6_nh_init+0x3d8/0x15b0 [16486.657760][ T7704] ip6_route_info_create+0xf18/0x17d0 [16486.657760][ T7704] addrconf_f6i_alloc+0x315/0x560 [16486.657760][ T7704] ipv6_add_addr+0x411/0x2000 [16486.657760][ T7704] inet6_addr_add+0x30e/0xa40 [16486.657760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16486.657760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16486.657760][ T7704] netlink_rcv_skb+0x130/0x360 [16486.657760][ T7704] netlink_unicast+0x449/0x710 [16486.657760][ T7704] netlink_sendmsg+0x723/0xbe0 [16486.657760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16486.657760][ T7704] ___sys_sendmsg+0xee/0x170 [16486.657760][ T7704] __sys_sendmsg+0xcd/0x170 [16486.657760][ T7704] do_syscall_64+0xc6/0x1e0 [16486.657760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16486.657760][ T7704] [16486.659978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16486.659978][ T7704] netdev_get_by_index+0x5e/0x80 [16486.659978][ T7704] fib6_nh_init+0x3d8/0x15b0 [16486.659978][ T7704] ip6_route_info_create+0xf18/0x17d0 [16486.659978][ T7704] ip6_route_add+0x1c/0x140 [16486.659978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16486.659978][ T7704] addrconf_add_dev+0xe2/0x170 [16486.659978][ T7704] inet6_addr_add+0x12f/0xa40 [16486.659978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16486.659978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16486.659978][ T7704] netlink_rcv_skb+0x130/0x360 [16486.659978][ T7704] netlink_unicast+0x449/0x710 [16486.659978][ T7704] netlink_sendmsg+0x723/0xbe0 [16486.659978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16486.659978][ T7704] ___sys_sendmsg+0xee/0x170 [16486.659978][ T7704] __sys_sendmsg+0xcd/0x170 [16486.659978][ T7704] do_syscall_64+0xc6/0x1e0 [16486.659978][ T7704] [16486.662160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16486.662160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16486.662160][ T7704] ipv6_find_idev+0x102/0x170 [16486.662160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16486.662160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16486.662160][ T7704] netlink_rcv_skb+0x130/0x360 [16486.662160][ T7704] netlink_unicast+0x449/0x710 [16486.662160][ T7704] netlink_sendmsg+0x723/0xbe0 [16486.662160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16486.662160][ T7704] ___sys_sendmsg+0xee/0x170 [16486.662160][ T7704] __sys_sendmsg+0xcd/0x170 [16486.662160][ T7704] do_syscall_64+0xc6/0x1e0 [16486.662160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16486.662160][ T7704] [16486.663887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16486.663887][ T7704] neigh_parms_alloc+0x1e5/0x510 [16486.663887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16486.663887][ T7704] ipv6_find_idev+0x102/0x170 [16486.663887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16486.663887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16486.663887][ T7704] netlink_rcv_skb+0x130/0x360 [16486.663887][ T7704] netlink_unicast+0x449/0x710 [16486.663887][ T7704] netlink_sendmsg+0x723/0xbe0 [16486.663887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16486.663887][ T7704] ___sys_sendmsg+0xee/0x170 [16486.663887][ T7704] __sys_sendmsg+0xcd/0x170 [16486.663887][ T7704] do_syscall_64+0xc6/0x1e0 [16486.663887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16486.663887][ T7704] [16496.911014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16496.911539][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16496.911539][ T7704] netdev_get_by_index+0x5e/0x80 [16496.911539][ T7704] fib6_nh_init+0x3d8/0x15b0 [16496.911539][ T7704] ip6_route_info_create+0xf18/0x17d0 [16496.911539][ T7704] ip6_route_add+0x1c/0x140 [16496.911539][ T7704] addrconf_prefix_route+0x2a6/0x430 [16496.911539][ T7704] inet6_addr_add+0x4f8/0xa40 [16496.911539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16496.911539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16496.911539][ T7704] netlink_rcv_skb+0x130/0x360 [16496.911539][ T7704] netlink_unicast+0x449/0x710 [16496.911539][ T7704] netlink_sendmsg+0x723/0xbe0 [16496.911539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16496.911539][ T7704] ___sys_sendmsg+0xee/0x170 [16496.911539][ T7704] __sys_sendmsg+0xcd/0x170 [16496.911539][ T7704] do_syscall_64+0xc6/0x1e0 [16496.911539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16496.911539][ T7704] [16496.913714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16496.913714][ T7704] netdev_get_by_index+0x5e/0x80 [16496.913714][ T7704] fib6_nh_init+0x3d8/0x15b0 [16496.913714][ T7704] ip6_route_info_create+0xf18/0x17d0 [16496.913714][ T7704] addrconf_f6i_alloc+0x315/0x560 [16496.913714][ T7704] ipv6_add_addr+0x411/0x2000 [16496.913714][ T7704] inet6_addr_add+0x30e/0xa40 [16496.913714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16496.913714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16496.913714][ T7704] netlink_rcv_skb+0x130/0x360 [16496.913714][ T7704] netlink_unicast+0x449/0x710 [16496.913714][ T7704] netlink_sendmsg+0x723/0xbe0 [16496.913714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16496.913714][ T7704] ___sys_sendmsg+0xee/0x170 [16496.913714][ T7704] __sys_sendmsg+0xcd/0x170 [16496.913714][ T7704] do_syscall_64+0xc6/0x1e0 [16496.913714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16496.913714][ T7704] [16496.915914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16496.915914][ T7704] netdev_get_by_index+0x5e/0x80 [16496.915914][ T7704] fib6_nh_init+0x3d8/0x15b0 [16496.915914][ T7704] ip6_route_info_create+0xf18/0x17d0 [16496.915914][ T7704] ip6_route_add+0x1c/0x140 [16496.915914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16496.915914][ T7704] addrconf_add_dev+0xe2/0x170 [16496.915914][ T7704] inet6_addr_add+0x12f/0xa40 [16496.915914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16496.915914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16496.915914][ T7704] netlink_rcv_skb+0x130/0x360 [16496.915914][ T7704] netlink_unicast+0x449/0x710 [16496.915914][ T7704] netlink_sendmsg+0x723/0xbe0 [16496.915914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16496.915914][ T7704] ___sys_sendmsg+0xee/0x170 [16496.915914][ T7704] __sys_sendmsg+0xcd/0x170 [16496.915914][ T7704] do_syscall_64+0xc6/0x1e0 [16496.915914][ T7704] [16496.917986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16496.917986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16496.917986][ T7704] ipv6_find_idev+0x102/0x170 [16496.917986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16496.917986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16496.917986][ T7704] netlink_rcv_skb+0x130/0x360 [16496.917986][ T7704] netlink_unicast+0x449/0x710 [16496.917986][ T7704] netlink_sendmsg+0x723/0xbe0 [16496.917986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16496.917986][ T7704] ___sys_sendmsg+0xee/0x170 [16496.917986][ T7704] __sys_sendmsg+0xcd/0x170 [16496.917986][ T7704] do_syscall_64+0xc6/0x1e0 [16496.917986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16496.917986][ T7704] [16496.919693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16496.919693][ T7704] neigh_parms_alloc+0x1e5/0x510 [16496.919693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16496.919693][ T7704] ipv6_find_idev+0x102/0x170 [16496.919693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16496.919693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16496.919693][ T7704] netlink_rcv_skb+0x130/0x360 [16496.919693][ T7704] netlink_unicast+0x449/0x710 [16496.919693][ T7704] netlink_sendmsg+0x723/0xbe0 [16496.919693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16496.919693][ T7704] ___sys_sendmsg+0xee/0x170 [16496.919693][ T7704] __sys_sendmsg+0xcd/0x170 [16496.919693][ T7704] do_syscall_64+0xc6/0x1e0 [16496.919693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16496.919693][ T7704] [16507.175018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16507.175525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16507.175525][ T7704] netdev_get_by_index+0x5e/0x80 [16507.175525][ T7704] fib6_nh_init+0x3d8/0x15b0 [16507.175525][ T7704] ip6_route_info_create+0xf18/0x17d0 [16507.175525][ T7704] ip6_route_add+0x1c/0x140 [16507.175525][ T7704] addrconf_prefix_route+0x2a6/0x430 [16507.175525][ T7704] inet6_addr_add+0x4f8/0xa40 [16507.175525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16507.175525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16507.175525][ T7704] netlink_rcv_skb+0x130/0x360 [16507.175525][ T7704] netlink_unicast+0x449/0x710 [16507.175525][ T7704] netlink_sendmsg+0x723/0xbe0 [16507.175525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16507.175525][ T7704] ___sys_sendmsg+0xee/0x170 [16507.175525][ T7704] __sys_sendmsg+0xcd/0x170 [16507.175525][ T7704] do_syscall_64+0xc6/0x1e0 [16507.175525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16507.175525][ T7704] [16507.177662][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16507.177662][ T7704] netdev_get_by_index+0x5e/0x80 [16507.177662][ T7704] fib6_nh_init+0x3d8/0x15b0 [16507.177662][ T7704] ip6_route_info_create+0xf18/0x17d0 [16507.177662][ T7704] addrconf_f6i_alloc+0x315/0x560 [16507.177662][ T7704] ipv6_add_addr+0x411/0x2000 [16507.177662][ T7704] inet6_addr_add+0x30e/0xa40 [16507.177662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16507.177662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16507.177662][ T7704] netlink_rcv_skb+0x130/0x360 [16507.177662][ T7704] netlink_unicast+0x449/0x710 [16507.177662][ T7704] netlink_sendmsg+0x723/0xbe0 [16507.177662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16507.177662][ T7704] ___sys_sendmsg+0xee/0x170 [16507.177662][ T7704] __sys_sendmsg+0xcd/0x170 [16507.177662][ T7704] do_syscall_64+0xc6/0x1e0 [16507.177662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16507.177662][ T7704] [16507.179867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16507.179867][ T7704] netdev_get_by_index+0x5e/0x80 [16507.179867][ T7704] fib6_nh_init+0x3d8/0x15b0 [16507.179867][ T7704] ip6_route_info_create+0xf18/0x17d0 [16507.179867][ T7704] ip6_route_add+0x1c/0x140 [16507.179867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16507.179867][ T7704] addrconf_add_dev+0xe2/0x170 [16507.179867][ T7704] inet6_addr_add+0x12f/0xa40 [16507.179867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16507.179867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16507.179867][ T7704] netlink_rcv_skb+0x130/0x360 [16507.179867][ T7704] netlink_unicast+0x449/0x710 [16507.179867][ T7704] netlink_sendmsg+0x723/0xbe0 [16507.179867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16507.179867][ T7704] ___sys_sendmsg+0xee/0x170 [16507.179867][ T7704] __sys_sendmsg+0xcd/0x170 [16507.179867][ T7704] do_syscall_64+0xc6/0x1e0 [16507.179867][ T7704] [16507.181942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16507.181942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16507.181942][ T7704] ipv6_find_idev+0x102/0x170 [16507.181942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16507.181942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16507.181942][ T7704] netlink_rcv_skb+0x130/0x360 [16507.181942][ T7704] netlink_unicast+0x449/0x710 [16507.181942][ T7704] netlink_sendmsg+0x723/0xbe0 [16507.181942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16507.181942][ T7704] ___sys_sendmsg+0xee/0x170 [16507.181942][ T7704] __sys_sendmsg+0xcd/0x170 [16507.181942][ T7704] do_syscall_64+0xc6/0x1e0 [16507.181942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16507.181942][ T7704] [16507.183714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16507.183714][ T7704] neigh_parms_alloc+0x1e5/0x510 [16507.183714][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16507.183714][ T7704] ipv6_find_idev+0x102/0x170 [16507.183714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16507.183714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16507.183714][ T7704] netlink_rcv_skb+0x130/0x360 [16507.183714][ T7704] netlink_unicast+0x449/0x710 [16507.183714][ T7704] netlink_sendmsg+0x723/0xbe0 [16507.183714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16507.183714][ T7704] ___sys_sendmsg+0xee/0x170 [16507.183714][ T7704] __sys_sendmsg+0xcd/0x170 [16507.183714][ T7704] do_syscall_64+0xc6/0x1e0 [16507.183714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16507.183714][ T7704] [16517.238946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16517.239439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16517.239439][ T7704] netdev_get_by_index+0x5e/0x80 [16517.239439][ T7704] fib6_nh_init+0x3d8/0x15b0 [16517.239439][ T7704] ip6_route_info_create+0xf18/0x17d0 [16517.239439][ T7704] ip6_route_add+0x1c/0x140 [16517.239439][ T7704] addrconf_prefix_route+0x2a6/0x430 [16517.239439][ T7704] inet6_addr_add+0x4f8/0xa40 [16517.239439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16517.239439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16517.239439][ T7704] netlink_rcv_skb+0x130/0x360 [16517.239439][ T7704] netlink_unicast+0x449/0x710 [16517.239439][ T7704] netlink_sendmsg+0x723/0xbe0 [16517.239439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16517.239439][ T7704] ___sys_sendmsg+0xee/0x170 [16517.239439][ T7704] __sys_sendmsg+0xcd/0x170 [16517.239439][ T7704] do_syscall_64+0xc6/0x1e0 [16517.239439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16517.239439][ T7704] [16517.241644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16517.241644][ T7704] netdev_get_by_index+0x5e/0x80 [16517.241644][ T7704] fib6_nh_init+0x3d8/0x15b0 [16517.241644][ T7704] ip6_route_info_create+0xf18/0x17d0 [16517.241644][ T7704] addrconf_f6i_alloc+0x315/0x560 [16517.241644][ T7704] ipv6_add_addr+0x411/0x2000 [16517.241644][ T7704] inet6_addr_add+0x30e/0xa40 [16517.241644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16517.241644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16517.241644][ T7704] netlink_rcv_skb+0x130/0x360 [16517.241644][ T7704] netlink_unicast+0x449/0x710 [16517.241644][ T7704] netlink_sendmsg+0x723/0xbe0 [16517.241644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16517.241644][ T7704] ___sys_sendmsg+0xee/0x170 [16517.241644][ T7704] __sys_sendmsg+0xcd/0x170 [16517.241644][ T7704] do_syscall_64+0xc6/0x1e0 [16517.241644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16517.241644][ T7704] [16517.243770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16517.243770][ T7704] netdev_get_by_index+0x5e/0x80 [16517.243770][ T7704] fib6_nh_init+0x3d8/0x15b0 [16517.243770][ T7704] ip6_route_info_create+0xf18/0x17d0 [16517.243770][ T7704] ip6_route_add+0x1c/0x140 [16517.243770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16517.243770][ T7704] addrconf_add_dev+0xe2/0x170 [16517.243770][ T7704] inet6_addr_add+0x12f/0xa40 [16517.243770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16517.243770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16517.243770][ T7704] netlink_rcv_skb+0x130/0x360 [16517.243770][ T7704] netlink_unicast+0x449/0x710 [16517.243770][ T7704] netlink_sendmsg+0x723/0xbe0 [16517.243770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16517.243770][ T7704] ___sys_sendmsg+0xee/0x170 [16517.243770][ T7704] __sys_sendmsg+0xcd/0x170 [16517.243770][ T7704] do_syscall_64+0xc6/0x1e0 [16517.243770][ T7704] [16517.245890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16517.245890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16517.245890][ T7704] ipv6_find_idev+0x102/0x170 [16517.245890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16517.245890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16517.245890][ T7704] netlink_rcv_skb+0x130/0x360 [16517.245890][ T7704] netlink_unicast+0x449/0x710 [16517.245890][ T7704] netlink_sendmsg+0x723/0xbe0 [16517.245890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16517.245890][ T7704] ___sys_sendmsg+0xee/0x170 [16517.245890][ T7704] __sys_sendmsg+0xcd/0x170 [16517.245890][ T7704] do_syscall_64+0xc6/0x1e0 [16517.245890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16517.245890][ T7704] [16517.247575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16517.247575][ T7704] neigh_parms_alloc+0x1e5/0x510 [16517.247575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16517.247575][ T7704] ipv6_find_idev+0x102/0x170 [16517.247575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16517.247575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16517.247575][ T7704] netlink_rcv_skb+0x130/0x360 [16517.247575][ T7704] netlink_unicast+0x449/0x710 [16517.247575][ T7704] netlink_sendmsg+0x723/0xbe0 [16517.247575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16517.247575][ T7704] ___sys_sendmsg+0xee/0x170 [16517.247575][ T7704] __sys_sendmsg+0xcd/0x170 [16517.247575][ T7704] do_syscall_64+0xc6/0x1e0 [16517.247575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16517.247575][ T7704] [16527.486935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16527.487445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16527.487445][ T7704] netdev_get_by_index+0x5e/0x80 [16527.487445][ T7704] fib6_nh_init+0x3d8/0x15b0 [16527.487445][ T7704] ip6_route_info_create+0xf18/0x17d0 [16527.487445][ T7704] ip6_route_add+0x1c/0x140 [16527.487445][ T7704] addrconf_prefix_route+0x2a6/0x430 [16527.487445][ T7704] inet6_addr_add+0x4f8/0xa40 [16527.487445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16527.487445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16527.487445][ T7704] netlink_rcv_skb+0x130/0x360 [16527.487445][ T7704] netlink_unicast+0x449/0x710 [16527.487445][ T7704] netlink_sendmsg+0x723/0xbe0 [16527.487445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16527.487445][ T7704] ___sys_sendmsg+0xee/0x170 [16527.487445][ T7704] __sys_sendmsg+0xcd/0x170 [16527.487445][ T7704] do_syscall_64+0xc6/0x1e0 [16527.487445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16527.487445][ T7704] [16527.489762][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16527.489762][ T7704] netdev_get_by_index+0x5e/0x80 [16527.489762][ T7704] fib6_nh_init+0x3d8/0x15b0 [16527.489762][ T7704] ip6_route_info_create+0xf18/0x17d0 [16527.489762][ T7704] addrconf_f6i_alloc+0x315/0x560 [16527.489762][ T7704] ipv6_add_addr+0x411/0x2000 [16527.489762][ T7704] inet6_addr_add+0x30e/0xa40 [16527.489762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16527.489762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16527.489762][ T7704] netlink_rcv_skb+0x130/0x360 [16527.489762][ T7704] netlink_unicast+0x449/0x710 [16527.489762][ T7704] netlink_sendmsg+0x723/0xbe0 [16527.489762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16527.489762][ T7704] ___sys_sendmsg+0xee/0x170 [16527.489762][ T7704] __sys_sendmsg+0xcd/0x170 [16527.489762][ T7704] do_syscall_64+0xc6/0x1e0 [16527.489762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16527.489762][ T7704] [16527.492006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16527.492006][ T7704] netdev_get_by_index+0x5e/0x80 [16527.492006][ T7704] fib6_nh_init+0x3d8/0x15b0 [16527.492006][ T7704] ip6_route_info_create+0xf18/0x17d0 [16527.492006][ T7704] ip6_route_add+0x1c/0x140 [16527.492006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16527.492006][ T7704] addrconf_add_dev+0xe2/0x170 [16527.492006][ T7704] inet6_addr_add+0x12f/0xa40 [16527.492006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16527.492006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16527.492006][ T7704] netlink_rcv_skb+0x130/0x360 [16527.492006][ T7704] netlink_unicast+0x449/0x710 [16527.492006][ T7704] netlink_sendmsg+0x723/0xbe0 [16527.492006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16527.492006][ T7704] ___sys_sendmsg+0xee/0x170 [16527.492006][ T7704] __sys_sendmsg+0xcd/0x170 [16527.492006][ T7704] do_syscall_64+0xc6/0x1e0 [16527.492006][ T7704] [16527.494249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16527.494249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16527.494249][ T7704] ipv6_find_idev+0x102/0x170 [16527.494249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16527.494249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16527.494249][ T7704] netlink_rcv_skb+0x130/0x360 [16527.494249][ T7704] netlink_unicast+0x449/0x710 [16527.494249][ T7704] netlink_sendmsg+0x723/0xbe0 [16527.494249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16527.494249][ T7704] ___sys_sendmsg+0xee/0x170 [16527.494249][ T7704] __sys_sendmsg+0xcd/0x170 [16527.494249][ T7704] do_syscall_64+0xc6/0x1e0 [16527.494249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16527.494249][ T7704] [16527.495983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16527.495983][ T7704] neigh_parms_alloc+0x1e5/0x510 [16527.495983][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16527.495983][ T7704] ipv6_find_idev+0x102/0x170 [16527.495983][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16527.495983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16527.495983][ T7704] netlink_rcv_skb+0x130/0x360 [16527.495983][ T7704] netlink_unicast+0x449/0x710 [16527.495983][ T7704] netlink_sendmsg+0x723/0xbe0 [16527.495983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16527.495983][ T7704] ___sys_sendmsg+0xee/0x170 [16527.495983][ T7704] __sys_sendmsg+0xcd/0x170 [16527.495983][ T7704] do_syscall_64+0xc6/0x1e0 [16527.495983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16527.495983][ T7704] [16537.735016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16537.735587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16537.735587][ T7704] netdev_get_by_index+0x5e/0x80 [16537.735587][ T7704] fib6_nh_init+0x3d8/0x15b0 [16537.735587][ T7704] ip6_route_info_create+0xf18/0x17d0 [16537.735587][ T7704] ip6_route_add+0x1c/0x140 [16537.735587][ T7704] addrconf_prefix_route+0x2a6/0x430 [16537.735587][ T7704] inet6_addr_add+0x4f8/0xa40 [16537.735587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16537.735587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16537.735587][ T7704] netlink_rcv_skb+0x130/0x360 [16537.735587][ T7704] netlink_unicast+0x449/0x710 [16537.735587][ T7704] netlink_sendmsg+0x723/0xbe0 [16537.735587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16537.735587][ T7704] ___sys_sendmsg+0xee/0x170 [16537.735587][ T7704] __sys_sendmsg+0xcd/0x170 [16537.735587][ T7704] do_syscall_64+0xc6/0x1e0 [16537.735587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16537.735587][ T7704] [16537.737701][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16537.737701][ T7704] netdev_get_by_index+0x5e/0x80 [16537.737701][ T7704] fib6_nh_init+0x3d8/0x15b0 [16537.737701][ T7704] ip6_route_info_create+0xf18/0x17d0 [16537.737701][ T7704] addrconf_f6i_alloc+0x315/0x560 [16537.737701][ T7704] ipv6_add_addr+0x411/0x2000 [16537.737701][ T7704] inet6_addr_add+0x30e/0xa40 [16537.737701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16537.737701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16537.737701][ T7704] netlink_rcv_skb+0x130/0x360 [16537.737701][ T7704] netlink_unicast+0x449/0x710 [16537.737701][ T7704] netlink_sendmsg+0x723/0xbe0 [16537.737701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16537.737701][ T7704] ___sys_sendmsg+0xee/0x170 [16537.737701][ T7704] __sys_sendmsg+0xcd/0x170 [16537.737701][ T7704] do_syscall_64+0xc6/0x1e0 [16537.737701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16537.737701][ T7704] [16537.739849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16537.739849][ T7704] netdev_get_by_index+0x5e/0x80 [16537.739849][ T7704] fib6_nh_init+0x3d8/0x15b0 [16537.739849][ T7704] ip6_route_info_create+0xf18/0x17d0 [16537.739849][ T7704] ip6_route_add+0x1c/0x140 [16537.739849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16537.739849][ T7704] addrconf_add_dev+0xe2/0x170 [16537.739849][ T7704] inet6_addr_add+0x12f/0xa40 [16537.739849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16537.739849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16537.739849][ T7704] netlink_rcv_skb+0x130/0x360 [16537.739849][ T7704] netlink_unicast+0x449/0x710 [16537.739849][ T7704] netlink_sendmsg+0x723/0xbe0 [16537.739849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16537.739849][ T7704] ___sys_sendmsg+0xee/0x170 [16537.739849][ T7704] __sys_sendmsg+0xcd/0x170 [16537.739849][ T7704] do_syscall_64+0xc6/0x1e0 [16537.739849][ T7704] [16537.741947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16537.741947][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16537.741947][ T7704] ipv6_find_idev+0x102/0x170 [16537.741947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16537.741947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16537.741947][ T7704] netlink_rcv_skb+0x130/0x360 [16537.741947][ T7704] netlink_unicast+0x449/0x710 [16537.741947][ T7704] netlink_sendmsg+0x723/0xbe0 [16537.741947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16537.741947][ T7704] ___sys_sendmsg+0xee/0x170 [16537.741947][ T7704] __sys_sendmsg+0xcd/0x170 [16537.741947][ T7704] do_syscall_64+0xc6/0x1e0 [16537.741947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16537.741947][ T7704] [16537.743591][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16537.743591][ T7704] neigh_parms_alloc+0x1e5/0x510 [16537.743591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16537.743591][ T7704] ipv6_find_idev+0x102/0x170 [16537.743591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16537.743591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16537.743591][ T7704] netlink_rcv_skb+0x130/0x360 [16537.743591][ T7704] netlink_unicast+0x449/0x710 [16537.743591][ T7704] netlink_sendmsg+0x723/0xbe0 [16537.743591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16537.743591][ T7704] ___sys_sendmsg+0xee/0x170 [16537.743591][ T7704] __sys_sendmsg+0xcd/0x170 [16537.743591][ T7704] do_syscall_64+0xc6/0x1e0 [16537.743591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16537.743591][ T7704] [16547.862950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16547.863449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16547.863449][ T7704] netdev_get_by_index+0x5e/0x80 [16547.863449][ T7704] fib6_nh_init+0x3d8/0x15b0 [16547.863449][ T7704] ip6_route_info_create+0xf18/0x17d0 [16547.863449][ T7704] ip6_route_add+0x1c/0x140 [16547.863449][ T7704] addrconf_prefix_route+0x2a6/0x430 [16547.863449][ T7704] inet6_addr_add+0x4f8/0xa40 [16547.863449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16547.863449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16547.863449][ T7704] netlink_rcv_skb+0x130/0x360 [16547.863449][ T7704] netlink_unicast+0x449/0x710 [16547.863449][ T7704] netlink_sendmsg+0x723/0xbe0 [16547.863449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16547.863449][ T7704] ___sys_sendmsg+0xee/0x170 [16547.863449][ T7704] __sys_sendmsg+0xcd/0x170 [16547.863449][ T7704] do_syscall_64+0xc6/0x1e0 [16547.863449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16547.863449][ T7704] [16547.865723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16547.865723][ T7704] netdev_get_by_index+0x5e/0x80 [16547.865723][ T7704] fib6_nh_init+0x3d8/0x15b0 [16547.865723][ T7704] ip6_route_info_create+0xf18/0x17d0 [16547.865723][ T7704] addrconf_f6i_alloc+0x315/0x560 [16547.865723][ T7704] ipv6_add_addr+0x411/0x2000 [16547.865723][ T7704] inet6_addr_add+0x30e/0xa40 [16547.865723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16547.865723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16547.865723][ T7704] netlink_rcv_skb+0x130/0x360 [16547.865723][ T7704] netlink_unicast+0x449/0x710 [16547.865723][ T7704] netlink_sendmsg+0x723/0xbe0 [16547.865723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16547.865723][ T7704] ___sys_sendmsg+0xee/0x170 [16547.865723][ T7704] __sys_sendmsg+0xcd/0x170 [16547.865723][ T7704] do_syscall_64+0xc6/0x1e0 [16547.865723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16547.865723][ T7704] [16547.867983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16547.867983][ T7704] netdev_get_by_index+0x5e/0x80 [16547.867983][ T7704] fib6_nh_init+0x3d8/0x15b0 [16547.867983][ T7704] ip6_route_info_create+0xf18/0x17d0 [16547.867983][ T7704] ip6_route_add+0x1c/0x140 [16547.867983][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16547.867983][ T7704] addrconf_add_dev+0xe2/0x170 [16547.867983][ T7704] inet6_addr_add+0x12f/0xa40 [16547.867983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16547.867983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16547.867983][ T7704] netlink_rcv_skb+0x130/0x360 [16547.867983][ T7704] netlink_unicast+0x449/0x710 [16547.867983][ T7704] netlink_sendmsg+0x723/0xbe0 [16547.867983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16547.867983][ T7704] ___sys_sendmsg+0xee/0x170 [16547.867983][ T7704] __sys_sendmsg+0xcd/0x170 [16547.867983][ T7704] do_syscall_64+0xc6/0x1e0 [16547.867983][ T7704] [16547.870135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16547.870135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16547.870135][ T7704] ipv6_find_idev+0x102/0x170 [16547.870135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16547.870135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16547.870135][ T7704] netlink_rcv_skb+0x130/0x360 [16547.870135][ T7704] netlink_unicast+0x449/0x710 [16547.870135][ T7704] netlink_sendmsg+0x723/0xbe0 [16547.870135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16547.870135][ T7704] ___sys_sendmsg+0xee/0x170 [16547.870135][ T7704] __sys_sendmsg+0xcd/0x170 [16547.870135][ T7704] do_syscall_64+0xc6/0x1e0 [16547.870135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16547.870135][ T7704] [16547.871879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16547.871879][ T7704] neigh_parms_alloc+0x1e5/0x510 [16547.871879][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16547.871879][ T7704] ipv6_find_idev+0x102/0x170 [16547.871879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16547.871879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16547.871879][ T7704] netlink_rcv_skb+0x130/0x360 [16547.871879][ T7704] netlink_unicast+0x449/0x710 [16547.871879][ T7704] netlink_sendmsg+0x723/0xbe0 [16547.871879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16547.871879][ T7704] ___sys_sendmsg+0xee/0x170 [16547.871879][ T7704] __sys_sendmsg+0xcd/0x170 [16547.871879][ T7704] do_syscall_64+0xc6/0x1e0 [16547.871879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16547.871879][ T7704] [16558.111018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16558.112101][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16558.112101][ T7704] netdev_get_by_index+0x5e/0x80 [16558.112101][ T7704] fib6_nh_init+0x3d8/0x15b0 [16558.112101][ T7704] ip6_route_info_create+0xf18/0x17d0 [16558.112101][ T7704] ip6_route_add+0x1c/0x140 [16558.112101][ T7704] addrconf_prefix_route+0x2a6/0x430 [16558.112101][ T7704] inet6_addr_add+0x4f8/0xa40 [16558.112101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16558.112101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16558.112101][ T7704] netlink_rcv_skb+0x130/0x360 [16558.112101][ T7704] netlink_unicast+0x449/0x710 [16558.112101][ T7704] netlink_sendmsg+0x723/0xbe0 [16558.112101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16558.112101][ T7704] ___sys_sendmsg+0xee/0x170 [16558.112101][ T7704] __sys_sendmsg+0xcd/0x170 [16558.112101][ T7704] do_syscall_64+0xc6/0x1e0 [16558.112101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16558.112101][ T7704] [16558.114275][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16558.114275][ T7704] netdev_get_by_index+0x5e/0x80 [16558.114275][ T7704] fib6_nh_init+0x3d8/0x15b0 [16558.114275][ T7704] ip6_route_info_create+0xf18/0x17d0 [16558.114275][ T7704] addrconf_f6i_alloc+0x315/0x560 [16558.114275][ T7704] ipv6_add_addr+0x411/0x2000 [16558.114275][ T7704] inet6_addr_add+0x30e/0xa40 [16558.114275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16558.114275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16558.114275][ T7704] netlink_rcv_skb+0x130/0x360 [16558.114275][ T7704] netlink_unicast+0x449/0x710 [16558.114275][ T7704] netlink_sendmsg+0x723/0xbe0 [16558.114275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16558.114275][ T7704] ___sys_sendmsg+0xee/0x170 [16558.114275][ T7704] __sys_sendmsg+0xcd/0x170 [16558.114275][ T7704] do_syscall_64+0xc6/0x1e0 [16558.114275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16558.114275][ T7704] [16558.116385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16558.116385][ T7704] netdev_get_by_index+0x5e/0x80 [16558.116385][ T7704] fib6_nh_init+0x3d8/0x15b0 [16558.116385][ T7704] ip6_route_info_create+0xf18/0x17d0 [16558.116385][ T7704] ip6_route_add+0x1c/0x140 [16558.116385][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16558.116385][ T7704] addrconf_add_dev+0xe2/0x170 [16558.116385][ T7704] inet6_addr_add+0x12f/0xa40 [16558.116385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16558.116385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16558.116385][ T7704] netlink_rcv_skb+0x130/0x360 [16558.116385][ T7704] netlink_unicast+0x449/0x710 [16558.116385][ T7704] netlink_sendmsg+0x723/0xbe0 [16558.116385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16558.116385][ T7704] ___sys_sendmsg+0xee/0x170 [16558.116385][ T7704] __sys_sendmsg+0xcd/0x170 [16558.116385][ T7704] do_syscall_64+0xc6/0x1e0 [16558.116385][ T7704] [16558.118596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16558.118596][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16558.118596][ T7704] ipv6_find_idev+0x102/0x170 [16558.118596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16558.118596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16558.118596][ T7704] netlink_rcv_skb+0x130/0x360 [16558.118596][ T7704] netlink_unicast+0x449/0x710 [16558.118596][ T7704] netlink_sendmsg+0x723/0xbe0 [16558.118596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16558.118596][ T7704] ___sys_sendmsg+0xee/0x170 [16558.118596][ T7704] __sys_sendmsg+0xcd/0x170 [16558.118596][ T7704] do_syscall_64+0xc6/0x1e0 [16558.118596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16558.118596][ T7704] [16558.120207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16558.120207][ T7704] neigh_parms_alloc+0x1e5/0x510 [16558.120207][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16558.120207][ T7704] ipv6_find_idev+0x102/0x170 [16558.120207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16558.120207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16558.120207][ T7704] netlink_rcv_skb+0x130/0x360 [16558.120207][ T7704] netlink_unicast+0x449/0x710 [16558.120207][ T7704] netlink_sendmsg+0x723/0xbe0 [16558.120207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16558.120207][ T7704] ___sys_sendmsg+0xee/0x170 [16558.120207][ T7704] __sys_sendmsg+0xcd/0x170 [16558.120207][ T7704] do_syscall_64+0xc6/0x1e0 [16558.120207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16558.120207][ T7704] [16568.167031][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16568.167585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16568.167585][ T7704] netdev_get_by_index+0x5e/0x80 [16568.167585][ T7704] fib6_nh_init+0x3d8/0x15b0 [16568.167585][ T7704] ip6_route_info_create+0xf18/0x17d0 [16568.167585][ T7704] ip6_route_add+0x1c/0x140 [16568.167585][ T7704] addrconf_prefix_route+0x2a6/0x430 [16568.167585][ T7704] inet6_addr_add+0x4f8/0xa40 [16568.167585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16568.167585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16568.167585][ T7704] netlink_rcv_skb+0x130/0x360 [16568.167585][ T7704] netlink_unicast+0x449/0x710 [16568.167585][ T7704] netlink_sendmsg+0x723/0xbe0 [16568.167585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16568.167585][ T7704] ___sys_sendmsg+0xee/0x170 [16568.167585][ T7704] __sys_sendmsg+0xcd/0x170 [16568.167585][ T7704] do_syscall_64+0xc6/0x1e0 [16568.167585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16568.167585][ T7704] [16568.169773][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16568.169773][ T7704] netdev_get_by_index+0x5e/0x80 [16568.169773][ T7704] fib6_nh_init+0x3d8/0x15b0 [16568.169773][ T7704] ip6_route_info_create+0xf18/0x17d0 [16568.169773][ T7704] addrconf_f6i_alloc+0x315/0x560 [16568.169773][ T7704] ipv6_add_addr+0x411/0x2000 [16568.169773][ T7704] inet6_addr_add+0x30e/0xa40 [16568.169773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16568.169773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16568.169773][ T7704] netlink_rcv_skb+0x130/0x360 [16568.169773][ T7704] netlink_unicast+0x449/0x710 [16568.169773][ T7704] netlink_sendmsg+0x723/0xbe0 [16568.169773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16568.169773][ T7704] ___sys_sendmsg+0xee/0x170 [16568.169773][ T7704] __sys_sendmsg+0xcd/0x170 [16568.169773][ T7704] do_syscall_64+0xc6/0x1e0 [16568.169773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16568.169773][ T7704] [16568.171932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16568.171932][ T7704] netdev_get_by_index+0x5e/0x80 [16568.171932][ T7704] fib6_nh_init+0x3d8/0x15b0 [16568.171932][ T7704] ip6_route_info_create+0xf18/0x17d0 [16568.171932][ T7704] ip6_route_add+0x1c/0x140 [16568.171932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16568.171932][ T7704] addrconf_add_dev+0xe2/0x170 [16568.171932][ T7704] inet6_addr_add+0x12f/0xa40 [16568.171932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16568.171932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16568.171932][ T7704] netlink_rcv_skb+0x130/0x360 [16568.171932][ T7704] netlink_unicast+0x449/0x710 [16568.171932][ T7704] netlink_sendmsg+0x723/0xbe0 [16568.171932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16568.171932][ T7704] ___sys_sendmsg+0xee/0x170 [16568.171932][ T7704] __sys_sendmsg+0xcd/0x170 [16568.171932][ T7704] do_syscall_64+0xc6/0x1e0 [16568.171932][ T7704] [16568.174070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16568.174070][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16568.174070][ T7704] ipv6_find_idev+0x102/0x170 [16568.174070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16568.174070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16568.174070][ T7704] netlink_rcv_skb+0x130/0x360 [16568.174070][ T7704] netlink_unicast+0x449/0x710 [16568.174070][ T7704] netlink_sendmsg+0x723/0xbe0 [16568.174070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16568.174070][ T7704] ___sys_sendmsg+0xee/0x170 [16568.174070][ T7704] __sys_sendmsg+0xcd/0x170 [16568.174070][ T7704] do_syscall_64+0xc6/0x1e0 [16568.174070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16568.174070][ T7704] [16568.175782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16568.175782][ T7704] neigh_parms_alloc+0x1e5/0x510 [16568.175782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16568.175782][ T7704] ipv6_find_idev+0x102/0x170 [16568.175782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16568.175782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16568.175782][ T7704] netlink_rcv_skb+0x130/0x360 [16568.175782][ T7704] netlink_unicast+0x449/0x710 [16568.175782][ T7704] netlink_sendmsg+0x723/0xbe0 [16568.175782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16568.175782][ T7704] ___sys_sendmsg+0xee/0x170 [16568.175782][ T7704] __sys_sendmsg+0xcd/0x170 [16568.175782][ T7704] do_syscall_64+0xc6/0x1e0 [16568.175782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16568.175782][ T7704] [16578.270972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16578.271493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16578.271493][ T7704] netdev_get_by_index+0x5e/0x80 [16578.271493][ T7704] fib6_nh_init+0x3d8/0x15b0 [16578.271493][ T7704] ip6_route_info_create+0xf18/0x17d0 [16578.271493][ T7704] ip6_route_add+0x1c/0x140 [16578.271493][ T7704] addrconf_prefix_route+0x2a6/0x430 [16578.271493][ T7704] inet6_addr_add+0x4f8/0xa40 [16578.271493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16578.271493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16578.271493][ T7704] netlink_rcv_skb+0x130/0x360 [16578.271493][ T7704] netlink_unicast+0x449/0x710 [16578.271493][ T7704] netlink_sendmsg+0x723/0xbe0 [16578.271493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16578.271493][ T7704] ___sys_sendmsg+0xee/0x170 [16578.271493][ T7704] __sys_sendmsg+0xcd/0x170 [16578.271493][ T7704] do_syscall_64+0xc6/0x1e0 [16578.271493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16578.271493][ T7704] [16578.273680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16578.273680][ T7704] netdev_get_by_index+0x5e/0x80 [16578.273680][ T7704] fib6_nh_init+0x3d8/0x15b0 [16578.273680][ T7704] ip6_route_info_create+0xf18/0x17d0 [16578.273680][ T7704] addrconf_f6i_alloc+0x315/0x560 [16578.273680][ T7704] ipv6_add_addr+0x411/0x2000 [16578.273680][ T7704] inet6_addr_add+0x30e/0xa40 [16578.273680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16578.273680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16578.273680][ T7704] netlink_rcv_skb+0x130/0x360 [16578.273680][ T7704] netlink_unicast+0x449/0x710 [16578.273680][ T7704] netlink_sendmsg+0x723/0xbe0 [16578.273680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16578.273680][ T7704] ___sys_sendmsg+0xee/0x170 [16578.273680][ T7704] __sys_sendmsg+0xcd/0x170 [16578.273680][ T7704] do_syscall_64+0xc6/0x1e0 [16578.273680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16578.273680][ T7704] [16578.275776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16578.275776][ T7704] netdev_get_by_index+0x5e/0x80 [16578.275776][ T7704] fib6_nh_init+0x3d8/0x15b0 [16578.275776][ T7704] ip6_route_info_create+0xf18/0x17d0 [16578.275776][ T7704] ip6_route_add+0x1c/0x140 [16578.275776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16578.275776][ T7704] addrconf_add_dev+0xe2/0x170 [16578.275776][ T7704] inet6_addr_add+0x12f/0xa40 [16578.275776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16578.275776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16578.275776][ T7704] netlink_rcv_skb+0x130/0x360 [16578.275776][ T7704] netlink_unicast+0x449/0x710 [16578.275776][ T7704] netlink_sendmsg+0x723/0xbe0 [16578.275776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16578.275776][ T7704] ___sys_sendmsg+0xee/0x170 [16578.275776][ T7704] __sys_sendmsg+0xcd/0x170 [16578.275776][ T7704] do_syscall_64+0xc6/0x1e0 [16578.275776][ T7704] [16578.277955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16578.277955][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16578.277955][ T7704] ipv6_find_idev+0x102/0x170 [16578.277955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16578.277955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16578.277955][ T7704] netlink_rcv_skb+0x130/0x360 [16578.277955][ T7704] netlink_unicast+0x449/0x710 [16578.277955][ T7704] netlink_sendmsg+0x723/0xbe0 [16578.277955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16578.277955][ T7704] ___sys_sendmsg+0xee/0x170 [16578.277955][ T7704] __sys_sendmsg+0xcd/0x170 [16578.277955][ T7704] do_syscall_64+0xc6/0x1e0 [16578.277955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16578.277955][ T7704] [16578.279593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16578.279593][ T7704] neigh_parms_alloc+0x1e5/0x510 [16578.279593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16578.279593][ T7704] ipv6_find_idev+0x102/0x170 [16578.279593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16578.279593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16578.279593][ T7704] netlink_rcv_skb+0x130/0x360 [16578.279593][ T7704] netlink_unicast+0x449/0x710 [16578.279593][ T7704] netlink_sendmsg+0x723/0xbe0 [16578.279593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16578.279593][ T7704] ___sys_sendmsg+0xee/0x170 [16578.279593][ T7704] __sys_sendmsg+0xcd/0x170 [16578.279593][ T7704] do_syscall_64+0xc6/0x1e0 [16578.279593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16578.279593][ T7704] [16588.518953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16588.519451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16588.519451][ T7704] netdev_get_by_index+0x5e/0x80 [16588.519451][ T7704] fib6_nh_init+0x3d8/0x15b0 [16588.519451][ T7704] ip6_route_info_create+0xf18/0x17d0 [16588.519451][ T7704] ip6_route_add+0x1c/0x140 [16588.519451][ T7704] addrconf_prefix_route+0x2a6/0x430 [16588.519451][ T7704] inet6_addr_add+0x4f8/0xa40 [16588.519451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16588.519451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16588.519451][ T7704] netlink_rcv_skb+0x130/0x360 [16588.519451][ T7704] netlink_unicast+0x449/0x710 [16588.519451][ T7704] netlink_sendmsg+0x723/0xbe0 [16588.519451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16588.519451][ T7704] ___sys_sendmsg+0xee/0x170 [16588.519451][ T7704] __sys_sendmsg+0xcd/0x170 [16588.519451][ T7704] do_syscall_64+0xc6/0x1e0 [16588.519451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16588.519451][ T7704] [16588.521720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16588.521720][ T7704] netdev_get_by_index+0x5e/0x80 [16588.521720][ T7704] fib6_nh_init+0x3d8/0x15b0 [16588.521720][ T7704] ip6_route_info_create+0xf18/0x17d0 [16588.521720][ T7704] addrconf_f6i_alloc+0x315/0x560 [16588.521720][ T7704] ipv6_add_addr+0x411/0x2000 [16588.521720][ T7704] inet6_addr_add+0x30e/0xa40 [16588.521720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16588.521720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16588.521720][ T7704] netlink_rcv_skb+0x130/0x360 [16588.521720][ T7704] netlink_unicast+0x449/0x710 [16588.521720][ T7704] netlink_sendmsg+0x723/0xbe0 [16588.521720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16588.521720][ T7704] ___sys_sendmsg+0xee/0x170 [16588.521720][ T7704] __sys_sendmsg+0xcd/0x170 [16588.521720][ T7704] do_syscall_64+0xc6/0x1e0 [16588.521720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16588.521720][ T7704] [16588.523998][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16588.523998][ T7704] netdev_get_by_index+0x5e/0x80 [16588.523998][ T7704] fib6_nh_init+0x3d8/0x15b0 [16588.523998][ T7704] ip6_route_info_create+0xf18/0x17d0 [16588.523998][ T7704] ip6_route_add+0x1c/0x140 [16588.523998][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16588.523998][ T7704] addrconf_add_dev+0xe2/0x170 [16588.523998][ T7704] inet6_addr_add+0x12f/0xa40 [16588.523998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16588.523998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16588.523998][ T7704] netlink_rcv_skb+0x130/0x360 [16588.523998][ T7704] netlink_unicast+0x449/0x710 [16588.523998][ T7704] netlink_sendmsg+0x723/0xbe0 [16588.523998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16588.523998][ T7704] ___sys_sendmsg+0xee/0x170 [16588.523998][ T7704] __sys_sendmsg+0xcd/0x170 [16588.523998][ T7704] do_syscall_64+0xc6/0x1e0 [16588.523998][ T7704] [16588.526225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16588.526225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16588.526225][ T7704] ipv6_find_idev+0x102/0x170 [16588.526225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16588.526225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16588.526225][ T7704] netlink_rcv_skb+0x130/0x360 [16588.526225][ T7704] netlink_unicast+0x449/0x710 [16588.526225][ T7704] netlink_sendmsg+0x723/0xbe0 [16588.526225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16588.526225][ T7704] ___sys_sendmsg+0xee/0x170 [16588.526225][ T7704] __sys_sendmsg+0xcd/0x170 [16588.526225][ T7704] do_syscall_64+0xc6/0x1e0 [16588.526225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16588.526225][ T7704] [16588.527961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16588.527961][ T7704] neigh_parms_alloc+0x1e5/0x510 [16588.527961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16588.527961][ T7704] ipv6_find_idev+0x102/0x170 [16588.527961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16588.527961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16588.527961][ T7704] netlink_rcv_skb+0x130/0x360 [16588.527961][ T7704] netlink_unicast+0x449/0x710 [16588.527961][ T7704] netlink_sendmsg+0x723/0xbe0 [16588.527961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16588.527961][ T7704] ___sys_sendmsg+0xee/0x170 [16588.527961][ T7704] __sys_sendmsg+0xcd/0x170 [16588.527961][ T7704] do_syscall_64+0xc6/0x1e0 [16588.527961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16588.527961][ T7704] [16598.767092][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16598.768311][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16598.768311][ T7704] netdev_get_by_index+0x5e/0x80 [16598.768311][ T7704] fib6_nh_init+0x3d8/0x15b0 [16598.768311][ T7704] ip6_route_info_create+0xf18/0x17d0 [16598.768311][ T7704] ip6_route_add+0x1c/0x140 [16598.768311][ T7704] addrconf_prefix_route+0x2a6/0x430 [16598.768311][ T7704] inet6_addr_add+0x4f8/0xa40 [16598.768311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16598.768311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16598.768311][ T7704] netlink_rcv_skb+0x130/0x360 [16598.768311][ T7704] netlink_unicast+0x449/0x710 [16598.768311][ T7704] netlink_sendmsg+0x723/0xbe0 [16598.768311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16598.768311][ T7704] ___sys_sendmsg+0xee/0x170 [16598.768311][ T7704] __sys_sendmsg+0xcd/0x170 [16598.768311][ T7704] do_syscall_64+0xc6/0x1e0 [16598.768311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16598.768311][ T7704] [16598.770515][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16598.770515][ T7704] netdev_get_by_index+0x5e/0x80 [16598.770515][ T7704] fib6_nh_init+0x3d8/0x15b0 [16598.770515][ T7704] ip6_route_info_create+0xf18/0x17d0 [16598.770515][ T7704] addrconf_f6i_alloc+0x315/0x560 [16598.770515][ T7704] ipv6_add_addr+0x411/0x2000 [16598.770515][ T7704] inet6_addr_add+0x30e/0xa40 [16598.770515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16598.770515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16598.770515][ T7704] netlink_rcv_skb+0x130/0x360 [16598.770515][ T7704] netlink_unicast+0x449/0x710 [16598.770515][ T7704] netlink_sendmsg+0x723/0xbe0 [16598.770515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16598.770515][ T7704] ___sys_sendmsg+0xee/0x170 [16598.770515][ T7704] __sys_sendmsg+0xcd/0x170 [16598.770515][ T7704] do_syscall_64+0xc6/0x1e0 [16598.770515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16598.770515][ T7704] [16598.772677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16598.772677][ T7704] netdev_get_by_index+0x5e/0x80 [16598.772677][ T7704] fib6_nh_init+0x3d8/0x15b0 [16598.772677][ T7704] ip6_route_info_create+0xf18/0x17d0 [16598.772677][ T7704] ip6_route_add+0x1c/0x140 [16598.772677][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16598.772677][ T7704] addrconf_add_dev+0xe2/0x170 [16598.772677][ T7704] inet6_addr_add+0x12f/0xa40 [16598.772677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16598.772677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16598.772677][ T7704] netlink_rcv_skb+0x130/0x360 [16598.772677][ T7704] netlink_unicast+0x449/0x710 [16598.772677][ T7704] netlink_sendmsg+0x723/0xbe0 [16598.772677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16598.772677][ T7704] ___sys_sendmsg+0xee/0x170 [16598.772677][ T7704] __sys_sendmsg+0xcd/0x170 [16598.772677][ T7704] do_syscall_64+0xc6/0x1e0 [16598.772677][ T7704] [16598.774768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16598.774768][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16598.774768][ T7704] ipv6_find_idev+0x102/0x170 [16598.774768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16598.774768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16598.774768][ T7704] netlink_rcv_skb+0x130/0x360 [16598.774768][ T7704] netlink_unicast+0x449/0x710 [16598.774768][ T7704] netlink_sendmsg+0x723/0xbe0 [16598.774768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16598.774768][ T7704] ___sys_sendmsg+0xee/0x170 [16598.774768][ T7704] __sys_sendmsg+0xcd/0x170 [16598.774768][ T7704] do_syscall_64+0xc6/0x1e0 [16598.774768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16598.774768][ T7704] [16598.776411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16598.776411][ T7704] neigh_parms_alloc+0x1e5/0x510 [16598.776411][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16598.776411][ T7704] ipv6_find_idev+0x102/0x170 [16598.776411][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16598.776411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16598.776411][ T7704] netlink_rcv_skb+0x130/0x360 [16598.776411][ T7704] netlink_unicast+0x449/0x710 [16598.776411][ T7704] netlink_sendmsg+0x723/0xbe0 [16598.776411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16598.776411][ T7704] ___sys_sendmsg+0xee/0x170 [16598.776411][ T7704] __sys_sendmsg+0xcd/0x170 [16598.776411][ T7704] do_syscall_64+0xc6/0x1e0 [16598.776411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16598.776411][ T7704] [16609.015025][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16609.016246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16609.016246][ T7704] netdev_get_by_index+0x5e/0x80 [16609.016246][ T7704] fib6_nh_init+0x3d8/0x15b0 [16609.016246][ T7704] ip6_route_info_create+0xf18/0x17d0 [16609.016246][ T7704] ip6_route_add+0x1c/0x140 [16609.016246][ T7704] addrconf_prefix_route+0x2a6/0x430 [16609.016246][ T7704] inet6_addr_add+0x4f8/0xa40 [16609.016246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16609.016246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16609.016246][ T7704] netlink_rcv_skb+0x130/0x360 [16609.016246][ T7704] netlink_unicast+0x449/0x710 [16609.016246][ T7704] netlink_sendmsg+0x723/0xbe0 [16609.016246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16609.016246][ T7704] ___sys_sendmsg+0xee/0x170 [16609.016246][ T7704] __sys_sendmsg+0xcd/0x170 [16609.016246][ T7704] do_syscall_64+0xc6/0x1e0 [16609.016246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16609.016246][ T7704] [16609.018432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16609.018432][ T7704] netdev_get_by_index+0x5e/0x80 [16609.018432][ T7704] fib6_nh_init+0x3d8/0x15b0 [16609.018432][ T7704] ip6_route_info_create+0xf18/0x17d0 [16609.018432][ T7704] addrconf_f6i_alloc+0x315/0x560 [16609.018432][ T7704] ipv6_add_addr+0x411/0x2000 [16609.018432][ T7704] inet6_addr_add+0x30e/0xa40 [16609.018432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16609.018432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16609.018432][ T7704] netlink_rcv_skb+0x130/0x360 [16609.018432][ T7704] netlink_unicast+0x449/0x710 [16609.018432][ T7704] netlink_sendmsg+0x723/0xbe0 [16609.018432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16609.018432][ T7704] ___sys_sendmsg+0xee/0x170 [16609.018432][ T7704] __sys_sendmsg+0xcd/0x170 [16609.018432][ T7704] do_syscall_64+0xc6/0x1e0 [16609.018432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16609.018432][ T7704] [16609.020660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16609.020660][ T7704] netdev_get_by_index+0x5e/0x80 [16609.020660][ T7704] fib6_nh_init+0x3d8/0x15b0 [16609.020660][ T7704] ip6_route_info_create+0xf18/0x17d0 [16609.020660][ T7704] ip6_route_add+0x1c/0x140 [16609.020660][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16609.020660][ T7704] addrconf_add_dev+0xe2/0x170 [16609.020660][ T7704] inet6_addr_add+0x12f/0xa40 [16609.020660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16609.020660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16609.020660][ T7704] netlink_rcv_skb+0x130/0x360 [16609.020660][ T7704] netlink_unicast+0x449/0x710 [16609.020660][ T7704] netlink_sendmsg+0x723/0xbe0 [16609.020660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16609.020660][ T7704] ___sys_sendmsg+0xee/0x170 [16609.020660][ T7704] __sys_sendmsg+0xcd/0x170 [16609.020660][ T7704] do_syscall_64+0xc6/0x1e0 [16609.020660][ T7704] [16609.049465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16609.049465][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16609.049465][ T7704] ipv6_find_idev+0x102/0x170 [16609.049465][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16609.049465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16609.049465][ T7704] netlink_rcv_skb+0x130/0x360 [16609.049465][ T7704] netlink_unicast+0x449/0x710 [16609.049465][ T7704] netlink_sendmsg+0x723/0xbe0 [16609.049465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16609.049465][ T7704] ___sys_sendmsg+0xee/0x170 [16609.049465][ T7704] __sys_sendmsg+0xcd/0x170 [16609.049465][ T7704] do_syscall_64+0xc6/0x1e0 [16609.049465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16609.049465][ T7704] [16609.051216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16609.051216][ T7704] neigh_parms_alloc+0x1e5/0x510 [16609.051216][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16609.051216][ T7704] ipv6_find_idev+0x102/0x170 [16609.051216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16609.051216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16609.051216][ T7704] netlink_rcv_skb+0x130/0x360 [16609.051216][ T7704] netlink_unicast+0x449/0x710 [16609.051216][ T7704] netlink_sendmsg+0x723/0xbe0 [16609.051216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16609.051216][ T7704] ___sys_sendmsg+0xee/0x170 [16609.051216][ T7704] __sys_sendmsg+0xcd/0x170 [16609.051216][ T7704] do_syscall_64+0xc6/0x1e0 [16609.051216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16609.051216][ T7704] [16619.294964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16619.295482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16619.295482][ T7704] netdev_get_by_index+0x5e/0x80 [16619.295482][ T7704] fib6_nh_init+0x3d8/0x15b0 [16619.295482][ T7704] ip6_route_info_create+0xf18/0x17d0 [16619.295482][ T7704] ip6_route_add+0x1c/0x140 [16619.295482][ T7704] addrconf_prefix_route+0x2a6/0x430 [16619.295482][ T7704] inet6_addr_add+0x4f8/0xa40 [16619.295482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16619.295482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16619.295482][ T7704] netlink_rcv_skb+0x130/0x360 [16619.295482][ T7704] netlink_unicast+0x449/0x710 [16619.295482][ T7704] netlink_sendmsg+0x723/0xbe0 [16619.295482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16619.295482][ T7704] ___sys_sendmsg+0xee/0x170 [16619.295482][ T7704] __sys_sendmsg+0xcd/0x170 [16619.295482][ T7704] do_syscall_64+0xc6/0x1e0 [16619.295482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16619.295482][ T7704] [16619.297742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16619.297742][ T7704] netdev_get_by_index+0x5e/0x80 [16619.297742][ T7704] fib6_nh_init+0x3d8/0x15b0 [16619.297742][ T7704] ip6_route_info_create+0xf18/0x17d0 [16619.297742][ T7704] addrconf_f6i_alloc+0x315/0x560 [16619.297742][ T7704] ipv6_add_addr+0x411/0x2000 [16619.297742][ T7704] inet6_addr_add+0x30e/0xa40 [16619.297742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16619.297742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16619.297742][ T7704] netlink_rcv_skb+0x130/0x360 [16619.297742][ T7704] netlink_unicast+0x449/0x710 [16619.297742][ T7704] netlink_sendmsg+0x723/0xbe0 [16619.297742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16619.297742][ T7704] ___sys_sendmsg+0xee/0x170 [16619.297742][ T7704] __sys_sendmsg+0xcd/0x170 [16619.297742][ T7704] do_syscall_64+0xc6/0x1e0 [16619.297742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16619.297742][ T7704] [16619.299996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16619.299996][ T7704] netdev_get_by_index+0x5e/0x80 [16619.299996][ T7704] fib6_nh_init+0x3d8/0x15b0 [16619.299996][ T7704] ip6_route_info_create+0xf18/0x17d0 [16619.299996][ T7704] ip6_route_add+0x1c/0x140 [16619.299996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16619.299996][ T7704] addrconf_add_dev+0xe2/0x170 [16619.299996][ T7704] inet6_addr_add+0x12f/0xa40 [16619.299996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16619.299996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16619.299996][ T7704] netlink_rcv_skb+0x130/0x360 [16619.299996][ T7704] netlink_unicast+0x449/0x710 [16619.299996][ T7704] netlink_sendmsg+0x723/0xbe0 [16619.299996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16619.299996][ T7704] ___sys_sendmsg+0xee/0x170 [16619.299996][ T7704] __sys_sendmsg+0xcd/0x170 [16619.299996][ T7704] do_syscall_64+0xc6/0x1e0 [16619.299996][ T7704] [16619.302184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16619.302184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16619.302184][ T7704] ipv6_find_idev+0x102/0x170 [16619.302184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16619.302184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16619.302184][ T7704] netlink_rcv_skb+0x130/0x360 [16619.302184][ T7704] netlink_unicast+0x449/0x710 [16619.302184][ T7704] netlink_sendmsg+0x723/0xbe0 [16619.302184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16619.302184][ T7704] ___sys_sendmsg+0xee/0x170 [16619.302184][ T7704] __sys_sendmsg+0xcd/0x170 [16619.302184][ T7704] do_syscall_64+0xc6/0x1e0 [16619.302184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16619.302184][ T7704] [16619.303929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16619.303929][ T7704] neigh_parms_alloc+0x1e5/0x510 [16619.303929][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16619.303929][ T7704] ipv6_find_idev+0x102/0x170 [16619.303929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16619.303929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16619.303929][ T7704] netlink_rcv_skb+0x130/0x360 [16619.303929][ T7704] netlink_unicast+0x449/0x710 [16619.303929][ T7704] netlink_sendmsg+0x723/0xbe0 [16619.303929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16619.303929][ T7704] ___sys_sendmsg+0xee/0x170 [16619.303929][ T7704] __sys_sendmsg+0xcd/0x170 [16619.303929][ T7704] do_syscall_64+0xc6/0x1e0 [16619.303929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16619.303929][ T7704] [16629.479023][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16629.479517][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16629.479517][ T7704] netdev_get_by_index+0x5e/0x80 [16629.479517][ T7704] fib6_nh_init+0x3d8/0x15b0 [16629.479517][ T7704] ip6_route_info_create+0xf18/0x17d0 [16629.479517][ T7704] ip6_route_add+0x1c/0x140 [16629.479517][ T7704] addrconf_prefix_route+0x2a6/0x430 [16629.479517][ T7704] inet6_addr_add+0x4f8/0xa40 [16629.479517][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16629.479517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16629.479517][ T7704] netlink_rcv_skb+0x130/0x360 [16629.479517][ T7704] netlink_unicast+0x449/0x710 [16629.479517][ T7704] netlink_sendmsg+0x723/0xbe0 [16629.479517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16629.479517][ T7704] ___sys_sendmsg+0xee/0x170 [16629.479517][ T7704] __sys_sendmsg+0xcd/0x170 [16629.479517][ T7704] do_syscall_64+0xc6/0x1e0 [16629.479517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16629.479517][ T7704] [16629.481934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16629.481934][ T7704] netdev_get_by_index+0x5e/0x80 [16629.481934][ T7704] fib6_nh_init+0x3d8/0x15b0 [16629.481934][ T7704] ip6_route_info_create+0xf18/0x17d0 [16629.481934][ T7704] addrconf_f6i_alloc+0x315/0x560 [16629.481934][ T7704] ipv6_add_addr+0x411/0x2000 [16629.481934][ T7704] inet6_addr_add+0x30e/0xa40 [16629.481934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16629.481934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16629.481934][ T7704] netlink_rcv_skb+0x130/0x360 [16629.481934][ T7704] netlink_unicast+0x449/0x710 [16629.481934][ T7704] netlink_sendmsg+0x723/0xbe0 [16629.481934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16629.481934][ T7704] ___sys_sendmsg+0xee/0x170 [16629.481934][ T7704] __sys_sendmsg+0xcd/0x170 [16629.481934][ T7704] do_syscall_64+0xc6/0x1e0 [16629.481934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16629.481934][ T7704] [16629.484238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16629.484238][ T7704] netdev_get_by_index+0x5e/0x80 [16629.484238][ T7704] fib6_nh_init+0x3d8/0x15b0 [16629.484238][ T7704] ip6_route_info_create+0xf18/0x17d0 [16629.484238][ T7704] ip6_route_add+0x1c/0x140 [16629.484238][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16629.484238][ T7704] addrconf_add_dev+0xe2/0x170 [16629.484238][ T7704] inet6_addr_add+0x12f/0xa40 [16629.484238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16629.484238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16629.484238][ T7704] netlink_rcv_skb+0x130/0x360 [16629.484238][ T7704] netlink_unicast+0x449/0x710 [16629.484238][ T7704] netlink_sendmsg+0x723/0xbe0 [16629.484238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16629.484238][ T7704] ___sys_sendmsg+0xee/0x170 [16629.484238][ T7704] __sys_sendmsg+0xcd/0x170 [16629.484238][ T7704] do_syscall_64+0xc6/0x1e0 [16629.484238][ T7704] [16629.486486][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16629.486486][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16629.486486][ T7704] ipv6_find_idev+0x102/0x170 [16629.486486][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16629.486486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16629.486486][ T7704] netlink_rcv_skb+0x130/0x360 [16629.486486][ T7704] netlink_unicast+0x449/0x710 [16629.486486][ T7704] netlink_sendmsg+0x723/0xbe0 [16629.486486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16629.486486][ T7704] ___sys_sendmsg+0xee/0x170 [16629.486486][ T7704] __sys_sendmsg+0xcd/0x170 [16629.486486][ T7704] do_syscall_64+0xc6/0x1e0 [16629.486486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16629.486486][ T7704] [16629.488241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16629.488241][ T7704] neigh_parms_alloc+0x1e5/0x510 [16629.488241][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16629.488241][ T7704] ipv6_find_idev+0x102/0x170 [16629.488241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16629.488241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16629.488241][ T7704] netlink_rcv_skb+0x130/0x360 [16629.488241][ T7704] netlink_unicast+0x449/0x710 [16629.488241][ T7704] netlink_sendmsg+0x723/0xbe0 [16629.488241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16629.488241][ T7704] ___sys_sendmsg+0xee/0x170 [16629.488241][ T7704] __sys_sendmsg+0xcd/0x170 [16629.488241][ T7704] do_syscall_64+0xc6/0x1e0 [16629.488241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16629.488241][ T7704] [16639.726996][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16639.727489][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16639.727489][ T7704] netdev_get_by_index+0x5e/0x80 [16639.727489][ T7704] fib6_nh_init+0x3d8/0x15b0 [16639.727489][ T7704] ip6_route_info_create+0xf18/0x17d0 [16639.727489][ T7704] ip6_route_add+0x1c/0x140 [16639.727489][ T7704] addrconf_prefix_route+0x2a6/0x430 [16639.727489][ T7704] inet6_addr_add+0x4f8/0xa40 [16639.727489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16639.727489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16639.727489][ T7704] netlink_rcv_skb+0x130/0x360 [16639.727489][ T7704] netlink_unicast+0x449/0x710 [16639.727489][ T7704] netlink_sendmsg+0x723/0xbe0 [16639.727489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16639.727489][ T7704] ___sys_sendmsg+0xee/0x170 [16639.727489][ T7704] __sys_sendmsg+0xcd/0x170 [16639.727489][ T7704] do_syscall_64+0xc6/0x1e0 [16639.727489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16639.727489][ T7704] [16639.729809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16639.729809][ T7704] netdev_get_by_index+0x5e/0x80 [16639.729809][ T7704] fib6_nh_init+0x3d8/0x15b0 [16639.729809][ T7704] ip6_route_info_create+0xf18/0x17d0 [16639.729809][ T7704] addrconf_f6i_alloc+0x315/0x560 [16639.729809][ T7704] ipv6_add_addr+0x411/0x2000 [16639.729809][ T7704] inet6_addr_add+0x30e/0xa40 [16639.729809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16639.729809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16639.729809][ T7704] netlink_rcv_skb+0x130/0x360 [16639.729809][ T7704] netlink_unicast+0x449/0x710 [16639.729809][ T7704] netlink_sendmsg+0x723/0xbe0 [16639.729809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16639.729809][ T7704] ___sys_sendmsg+0xee/0x170 [16639.729809][ T7704] __sys_sendmsg+0xcd/0x170 [16639.729809][ T7704] do_syscall_64+0xc6/0x1e0 [16639.729809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16639.729809][ T7704] [16639.732107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16639.732107][ T7704] netdev_get_by_index+0x5e/0x80 [16639.732107][ T7704] fib6_nh_init+0x3d8/0x15b0 [16639.732107][ T7704] ip6_route_info_create+0xf18/0x17d0 [16639.732107][ T7704] ip6_route_add+0x1c/0x140 [16639.732107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16639.732107][ T7704] addrconf_add_dev+0xe2/0x170 [16639.732107][ T7704] inet6_addr_add+0x12f/0xa40 [16639.732107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16639.732107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16639.732107][ T7704] netlink_rcv_skb+0x130/0x360 [16639.732107][ T7704] netlink_unicast+0x449/0x710 [16639.732107][ T7704] netlink_sendmsg+0x723/0xbe0 [16639.732107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16639.732107][ T7704] ___sys_sendmsg+0xee/0x170 [16639.732107][ T7704] __sys_sendmsg+0xcd/0x170 [16639.732107][ T7704] do_syscall_64+0xc6/0x1e0 [16639.732107][ T7704] [16639.734352][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16639.734352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16639.734352][ T7704] ipv6_find_idev+0x102/0x170 [16639.734352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16639.734352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16639.734352][ T7704] netlink_rcv_skb+0x130/0x360 [16639.734352][ T7704] netlink_unicast+0x449/0x710 [16639.734352][ T7704] netlink_sendmsg+0x723/0xbe0 [16639.734352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16639.734352][ T7704] ___sys_sendmsg+0xee/0x170 [16639.734352][ T7704] __sys_sendmsg+0xcd/0x170 [16639.734352][ T7704] do_syscall_64+0xc6/0x1e0 [16639.734352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16639.734352][ T7704] [16639.736096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16639.736096][ T7704] neigh_parms_alloc+0x1e5/0x510 [16639.736096][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16639.736096][ T7704] ipv6_find_idev+0x102/0x170 [16639.736096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16639.736096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16639.736096][ T7704] netlink_rcv_skb+0x130/0x360 [16639.736096][ T7704] netlink_unicast+0x449/0x710 [16639.736096][ T7704] netlink_sendmsg+0x723/0xbe0 [16639.736096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16639.736096][ T7704] ___sys_sendmsg+0xee/0x170 [16639.736096][ T7704] __sys_sendmsg+0xcd/0x170 [16639.736096][ T7704] do_syscall_64+0xc6/0x1e0 [16639.736096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16639.736096][ T7704] [16649.975019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16649.976227][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16649.976227][ T7704] netdev_get_by_index+0x5e/0x80 [16649.976227][ T7704] fib6_nh_init+0x3d8/0x15b0 [16649.976227][ T7704] ip6_route_info_create+0xf18/0x17d0 [16649.976227][ T7704] ip6_route_add+0x1c/0x140 [16649.976227][ T7704] addrconf_prefix_route+0x2a6/0x430 [16649.976227][ T7704] inet6_addr_add+0x4f8/0xa40 [16649.976227][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16649.976227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16649.976227][ T7704] netlink_rcv_skb+0x130/0x360 [16649.976227][ T7704] netlink_unicast+0x449/0x710 [16649.976227][ T7704] netlink_sendmsg+0x723/0xbe0 [16649.976227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16649.976227][ T7704] ___sys_sendmsg+0xee/0x170 [16649.976227][ T7704] __sys_sendmsg+0xcd/0x170 [16649.976227][ T7704] do_syscall_64+0xc6/0x1e0 [16649.976227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16649.976227][ T7704] [16649.978498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16649.978498][ T7704] netdev_get_by_index+0x5e/0x80 [16649.978498][ T7704] fib6_nh_init+0x3d8/0x15b0 [16649.978498][ T7704] ip6_route_info_create+0xf18/0x17d0 [16649.978498][ T7704] addrconf_f6i_alloc+0x315/0x560 [16649.978498][ T7704] ipv6_add_addr+0x411/0x2000 [16649.978498][ T7704] inet6_addr_add+0x30e/0xa40 [16649.978498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16649.978498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16649.978498][ T7704] netlink_rcv_skb+0x130/0x360 [16649.978498][ T7704] netlink_unicast+0x449/0x710 [16649.978498][ T7704] netlink_sendmsg+0x723/0xbe0 [16649.978498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16649.978498][ T7704] ___sys_sendmsg+0xee/0x170 [16649.978498][ T7704] __sys_sendmsg+0xcd/0x170 [16649.978498][ T7704] do_syscall_64+0xc6/0x1e0 [16649.978498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16649.978498][ T7704] [16649.980826][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16649.980826][ T7704] netdev_get_by_index+0x5e/0x80 [16649.980826][ T7704] fib6_nh_init+0x3d8/0x15b0 [16649.980826][ T7704] ip6_route_info_create+0xf18/0x17d0 [16649.980826][ T7704] ip6_route_add+0x1c/0x140 [16649.980826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16649.980826][ T7704] addrconf_add_dev+0xe2/0x170 [16649.980826][ T7704] inet6_addr_add+0x12f/0xa40 [16649.980826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16649.980826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16649.980826][ T7704] netlink_rcv_skb+0x130/0x360 [16649.980826][ T7704] netlink_unicast+0x449/0x710 [16649.980826][ T7704] netlink_sendmsg+0x723/0xbe0 [16649.980826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16649.980826][ T7704] ___sys_sendmsg+0xee/0x170 [16649.980826][ T7704] __sys_sendmsg+0xcd/0x170 [16649.980826][ T7704] do_syscall_64+0xc6/0x1e0 [16649.980826][ T7704] [16649.982993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16649.982993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16649.982993][ T7704] ipv6_find_idev+0x102/0x170 [16649.982993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16649.982993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16649.982993][ T7704] netlink_rcv_skb+0x130/0x360 [16649.982993][ T7704] netlink_unicast+0x449/0x710 [16649.982993][ T7704] netlink_sendmsg+0x723/0xbe0 [16649.982993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16649.982993][ T7704] ___sys_sendmsg+0xee/0x170 [16649.982993][ T7704] __sys_sendmsg+0xcd/0x170 [16649.982993][ T7704] do_syscall_64+0xc6/0x1e0 [16649.982993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16649.982993][ T7704] [16649.984721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16649.984721][ T7704] neigh_parms_alloc+0x1e5/0x510 [16649.984721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16649.984721][ T7704] ipv6_find_idev+0x102/0x170 [16649.984721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16649.984721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16649.984721][ T7704] netlink_rcv_skb+0x130/0x360 [16649.984721][ T7704] netlink_unicast+0x449/0x710 [16649.984721][ T7704] netlink_sendmsg+0x723/0xbe0 [16649.984721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16649.984721][ T7704] ___sys_sendmsg+0xee/0x170 [16649.984721][ T7704] __sys_sendmsg+0xcd/0x170 [16649.984721][ T7704] do_syscall_64+0xc6/0x1e0 [16649.984721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16649.984721][ T7704] [16660.223018][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16660.223619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16660.223619][ T7704] netdev_get_by_index+0x5e/0x80 [16660.223619][ T7704] fib6_nh_init+0x3d8/0x15b0 [16660.223619][ T7704] ip6_route_info_create+0xf18/0x17d0 [16660.223619][ T7704] ip6_route_add+0x1c/0x140 [16660.223619][ T7704] addrconf_prefix_route+0x2a6/0x430 [16660.223619][ T7704] inet6_addr_add+0x4f8/0xa40 [16660.223619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16660.223619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16660.223619][ T7704] netlink_rcv_skb+0x130/0x360 [16660.223619][ T7704] netlink_unicast+0x449/0x710 [16660.223619][ T7704] netlink_sendmsg+0x723/0xbe0 [16660.223619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16660.223619][ T7704] ___sys_sendmsg+0xee/0x170 [16660.223619][ T7704] __sys_sendmsg+0xcd/0x170 [16660.223619][ T7704] do_syscall_64+0xc6/0x1e0 [16660.223619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16660.223619][ T7704] [16660.225858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16660.225858][ T7704] netdev_get_by_index+0x5e/0x80 [16660.225858][ T7704] fib6_nh_init+0x3d8/0x15b0 [16660.225858][ T7704] ip6_route_info_create+0xf18/0x17d0 [16660.225858][ T7704] addrconf_f6i_alloc+0x315/0x560 [16660.225858][ T7704] ipv6_add_addr+0x411/0x2000 [16660.225858][ T7704] inet6_addr_add+0x30e/0xa40 [16660.225858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16660.225858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16660.225858][ T7704] netlink_rcv_skb+0x130/0x360 [16660.225858][ T7704] netlink_unicast+0x449/0x710 [16660.225858][ T7704] netlink_sendmsg+0x723/0xbe0 [16660.225858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16660.225858][ T7704] ___sys_sendmsg+0xee/0x170 [16660.225858][ T7704] __sys_sendmsg+0xcd/0x170 [16660.225858][ T7704] do_syscall_64+0xc6/0x1e0 [16660.225858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16660.225858][ T7704] [16660.228071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16660.228071][ T7704] netdev_get_by_index+0x5e/0x80 [16660.228071][ T7704] fib6_nh_init+0x3d8/0x15b0 [16660.228071][ T7704] ip6_route_info_create+0xf18/0x17d0 [16660.228071][ T7704] ip6_route_add+0x1c/0x140 [16660.228071][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16660.228071][ T7704] addrconf_add_dev+0xe2/0x170 [16660.228071][ T7704] inet6_addr_add+0x12f/0xa40 [16660.228071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16660.228071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16660.228071][ T7704] netlink_rcv_skb+0x130/0x360 [16660.228071][ T7704] netlink_unicast+0x449/0x710 [16660.228071][ T7704] netlink_sendmsg+0x723/0xbe0 [16660.228071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16660.228071][ T7704] ___sys_sendmsg+0xee/0x170 [16660.228071][ T7704] __sys_sendmsg+0xcd/0x170 [16660.228071][ T7704] do_syscall_64+0xc6/0x1e0 [16660.228071][ T7704] [16660.230151][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16660.230151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16660.230151][ T7704] ipv6_find_idev+0x102/0x170 [16660.230151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16660.230151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16660.230151][ T7704] netlink_rcv_skb+0x130/0x360 [16660.230151][ T7704] netlink_unicast+0x449/0x710 [16660.230151][ T7704] netlink_sendmsg+0x723/0xbe0 [16660.230151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16660.230151][ T7704] ___sys_sendmsg+0xee/0x170 [16660.230151][ T7704] __sys_sendmsg+0xcd/0x170 [16660.230151][ T7704] do_syscall_64+0xc6/0x1e0 [16660.230151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16660.230151][ T7704] [16660.231775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16660.231775][ T7704] neigh_parms_alloc+0x1e5/0x510 [16660.231775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16660.231775][ T7704] ipv6_find_idev+0x102/0x170 [16660.231775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16660.231775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16660.231775][ T7704] netlink_rcv_skb+0x130/0x360 [16660.231775][ T7704] netlink_unicast+0x449/0x710 [16660.231775][ T7704] netlink_sendmsg+0x723/0xbe0 [16660.231775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16660.231775][ T7704] ___sys_sendmsg+0xee/0x170 [16660.231775][ T7704] __sys_sendmsg+0xcd/0x170 [16660.231775][ T7704] do_syscall_64+0xc6/0x1e0 [16660.231775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16660.231775][ T7704] [16670.263047][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16670.263541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16670.263541][ T7704] netdev_get_by_index+0x5e/0x80 [16670.263541][ T7704] fib6_nh_init+0x3d8/0x15b0 [16670.263541][ T7704] ip6_route_info_create+0xf18/0x17d0 [16670.263541][ T7704] ip6_route_add+0x1c/0x140 [16670.263541][ T7704] addrconf_prefix_route+0x2a6/0x430 [16670.263541][ T7704] inet6_addr_add+0x4f8/0xa40 [16670.263541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16670.263541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16670.263541][ T7704] netlink_rcv_skb+0x130/0x360 [16670.263541][ T7704] netlink_unicast+0x449/0x710 [16670.263541][ T7704] netlink_sendmsg+0x723/0xbe0 [16670.263541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16670.263541][ T7704] ___sys_sendmsg+0xee/0x170 [16670.263541][ T7704] __sys_sendmsg+0xcd/0x170 [16670.263541][ T7704] do_syscall_64+0xc6/0x1e0 [16670.263541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16670.263541][ T7704] [16670.265828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16670.265828][ T7704] netdev_get_by_index+0x5e/0x80 [16670.265828][ T7704] fib6_nh_init+0x3d8/0x15b0 [16670.265828][ T7704] ip6_route_info_create+0xf18/0x17d0 [16670.265828][ T7704] addrconf_f6i_alloc+0x315/0x560 [16670.265828][ T7704] ipv6_add_addr+0x411/0x2000 [16670.265828][ T7704] inet6_addr_add+0x30e/0xa40 [16670.265828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16670.265828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16670.265828][ T7704] netlink_rcv_skb+0x130/0x360 [16670.265828][ T7704] netlink_unicast+0x449/0x710 [16670.265828][ T7704] netlink_sendmsg+0x723/0xbe0 [16670.265828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16670.265828][ T7704] ___sys_sendmsg+0xee/0x170 [16670.265828][ T7704] __sys_sendmsg+0xcd/0x170 [16670.265828][ T7704] do_syscall_64+0xc6/0x1e0 [16670.265828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16670.265828][ T7704] [16670.268080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16670.268080][ T7704] netdev_get_by_index+0x5e/0x80 [16670.268080][ T7704] fib6_nh_init+0x3d8/0x15b0 [16670.268080][ T7704] ip6_route_info_create+0xf18/0x17d0 [16670.268080][ T7704] ip6_route_add+0x1c/0x140 [16670.268080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16670.268080][ T7704] addrconf_add_dev+0xe2/0x170 [16670.268080][ T7704] inet6_addr_add+0x12f/0xa40 [16670.268080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16670.268080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16670.268080][ T7704] netlink_rcv_skb+0x130/0x360 [16670.268080][ T7704] netlink_unicast+0x449/0x710 [16670.268080][ T7704] netlink_sendmsg+0x723/0xbe0 [16670.268080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16670.268080][ T7704] ___sys_sendmsg+0xee/0x170 [16670.268080][ T7704] __sys_sendmsg+0xcd/0x170 [16670.268080][ T7704] do_syscall_64+0xc6/0x1e0 [16670.268080][ T7704] [16670.270296][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16670.270296][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16670.270296][ T7704] ipv6_find_idev+0x102/0x170 [16670.270296][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16670.270296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16670.270296][ T7704] netlink_rcv_skb+0x130/0x360 [16670.270296][ T7704] netlink_unicast+0x449/0x710 [16670.270296][ T7704] netlink_sendmsg+0x723/0xbe0 [16670.270296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16670.270296][ T7704] ___sys_sendmsg+0xee/0x170 [16670.270296][ T7704] __sys_sendmsg+0xcd/0x170 [16670.270296][ T7704] do_syscall_64+0xc6/0x1e0 [16670.270296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16670.270296][ T7704] [16670.272026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16670.272026][ T7704] neigh_parms_alloc+0x1e5/0x510 [16670.272026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16670.272026][ T7704] ipv6_find_idev+0x102/0x170 [16670.272026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16670.272026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16670.272026][ T7704] netlink_rcv_skb+0x130/0x360 [16670.272026][ T7704] netlink_unicast+0x449/0x710 [16670.272026][ T7704] netlink_sendmsg+0x723/0xbe0 [16670.272026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16670.272026][ T7704] ___sys_sendmsg+0xee/0x170 [16670.272026][ T7704] __sys_sendmsg+0xcd/0x170 [16670.272026][ T7704] do_syscall_64+0xc6/0x1e0 [16670.272026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16670.272026][ T7704] [16680.374950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16680.375447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16680.375447][ T7704] netdev_get_by_index+0x5e/0x80 [16680.375447][ T7704] fib6_nh_init+0x3d8/0x15b0 [16680.375447][ T7704] ip6_route_info_create+0xf18/0x17d0 [16680.375447][ T7704] ip6_route_add+0x1c/0x140 [16680.375447][ T7704] addrconf_prefix_route+0x2a6/0x430 [16680.375447][ T7704] inet6_addr_add+0x4f8/0xa40 [16680.375447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16680.375447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16680.375447][ T7704] netlink_rcv_skb+0x130/0x360 [16680.375447][ T7704] netlink_unicast+0x449/0x710 [16680.375447][ T7704] netlink_sendmsg+0x723/0xbe0 [16680.375447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16680.375447][ T7704] ___sys_sendmsg+0xee/0x170 [16680.375447][ T7704] __sys_sendmsg+0xcd/0x170 [16680.375447][ T7704] do_syscall_64+0xc6/0x1e0 [16680.375447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16680.375447][ T7704] [16680.377714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16680.377714][ T7704] netdev_get_by_index+0x5e/0x80 [16680.377714][ T7704] fib6_nh_init+0x3d8/0x15b0 [16680.377714][ T7704] ip6_route_info_create+0xf18/0x17d0 [16680.377714][ T7704] addrconf_f6i_alloc+0x315/0x560 [16680.377714][ T7704] ipv6_add_addr+0x411/0x2000 [16680.377714][ T7704] inet6_addr_add+0x30e/0xa40 [16680.377714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16680.377714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16680.377714][ T7704] netlink_rcv_skb+0x130/0x360 [16680.377714][ T7704] netlink_unicast+0x449/0x710 [16680.377714][ T7704] netlink_sendmsg+0x723/0xbe0 [16680.377714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16680.377714][ T7704] ___sys_sendmsg+0xee/0x170 [16680.377714][ T7704] __sys_sendmsg+0xcd/0x170 [16680.377714][ T7704] do_syscall_64+0xc6/0x1e0 [16680.377714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16680.377714][ T7704] [16680.379992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16680.379992][ T7704] netdev_get_by_index+0x5e/0x80 [16680.379992][ T7704] fib6_nh_init+0x3d8/0x15b0 [16680.379992][ T7704] ip6_route_info_create+0xf18/0x17d0 [16680.379992][ T7704] ip6_route_add+0x1c/0x140 [16680.379992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16680.379992][ T7704] addrconf_add_dev+0xe2/0x170 [16680.379992][ T7704] inet6_addr_add+0x12f/0xa40 [16680.379992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16680.379992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16680.379992][ T7704] netlink_rcv_skb+0x130/0x360 [16680.379992][ T7704] netlink_unicast+0x449/0x710 [16680.379992][ T7704] netlink_sendmsg+0x723/0xbe0 [16680.379992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16680.379992][ T7704] ___sys_sendmsg+0xee/0x170 [16680.379992][ T7704] __sys_sendmsg+0xcd/0x170 [16680.379992][ T7704] do_syscall_64+0xc6/0x1e0 [16680.379992][ T7704] [16680.382206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16680.382206][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16680.382206][ T7704] ipv6_find_idev+0x102/0x170 [16680.382206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16680.382206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16680.382206][ T7704] netlink_rcv_skb+0x130/0x360 [16680.382206][ T7704] netlink_unicast+0x449/0x710 [16680.382206][ T7704] netlink_sendmsg+0x723/0xbe0 [16680.382206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16680.382206][ T7704] ___sys_sendmsg+0xee/0x170 [16680.382206][ T7704] __sys_sendmsg+0xcd/0x170 [16680.382206][ T7704] do_syscall_64+0xc6/0x1e0 [16680.382206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16680.382206][ T7704] [16680.383954][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16680.383954][ T7704] neigh_parms_alloc+0x1e5/0x510 [16680.383954][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16680.383954][ T7704] ipv6_find_idev+0x102/0x170 [16680.383954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16680.383954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16680.383954][ T7704] netlink_rcv_skb+0x130/0x360 [16680.383954][ T7704] netlink_unicast+0x449/0x710 [16680.383954][ T7704] netlink_sendmsg+0x723/0xbe0 [16680.383954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16680.383954][ T7704] ___sys_sendmsg+0xee/0x170 [16680.383954][ T7704] __sys_sendmsg+0xcd/0x170 [16680.383954][ T7704] do_syscall_64+0xc6/0x1e0 [16680.383954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16680.383954][ T7704] [16690.630957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16690.631456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16690.631456][ T7704] netdev_get_by_index+0x5e/0x80 [16690.631456][ T7704] fib6_nh_init+0x3d8/0x15b0 [16690.631456][ T7704] ip6_route_info_create+0xf18/0x17d0 [16690.631456][ T7704] ip6_route_add+0x1c/0x140 [16690.631456][ T7704] addrconf_prefix_route+0x2a6/0x430 [16690.631456][ T7704] inet6_addr_add+0x4f8/0xa40 [16690.631456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16690.631456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16690.631456][ T7704] netlink_rcv_skb+0x130/0x360 [16690.631456][ T7704] netlink_unicast+0x449/0x710 [16690.631456][ T7704] netlink_sendmsg+0x723/0xbe0 [16690.631456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16690.631456][ T7704] ___sys_sendmsg+0xee/0x170 [16690.631456][ T7704] __sys_sendmsg+0xcd/0x170 [16690.631456][ T7704] do_syscall_64+0xc6/0x1e0 [16690.631456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16690.631456][ T7704] [16690.633750][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16690.633750][ T7704] netdev_get_by_index+0x5e/0x80 [16690.633750][ T7704] fib6_nh_init+0x3d8/0x15b0 [16690.633750][ T7704] ip6_route_info_create+0xf18/0x17d0 [16690.633750][ T7704] addrconf_f6i_alloc+0x315/0x560 [16690.633750][ T7704] ipv6_add_addr+0x411/0x2000 [16690.633750][ T7704] inet6_addr_add+0x30e/0xa40 [16690.633750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16690.633750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16690.633750][ T7704] netlink_rcv_skb+0x130/0x360 [16690.633750][ T7704] netlink_unicast+0x449/0x710 [16690.633750][ T7704] netlink_sendmsg+0x723/0xbe0 [16690.633750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16690.633750][ T7704] ___sys_sendmsg+0xee/0x170 [16690.633750][ T7704] __sys_sendmsg+0xcd/0x170 [16690.633750][ T7704] do_syscall_64+0xc6/0x1e0 [16690.633750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16690.633750][ T7704] [16690.636012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16690.636012][ T7704] netdev_get_by_index+0x5e/0x80 [16690.636012][ T7704] fib6_nh_init+0x3d8/0x15b0 [16690.636012][ T7704] ip6_route_info_create+0xf18/0x17d0 [16690.636012][ T7704] ip6_route_add+0x1c/0x140 [16690.636012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16690.636012][ T7704] addrconf_add_dev+0xe2/0x170 [16690.636012][ T7704] inet6_addr_add+0x12f/0xa40 [16690.636012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16690.636012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16690.636012][ T7704] netlink_rcv_skb+0x130/0x360 [16690.636012][ T7704] netlink_unicast+0x449/0x710 [16690.636012][ T7704] netlink_sendmsg+0x723/0xbe0 [16690.636012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16690.636012][ T7704] ___sys_sendmsg+0xee/0x170 [16690.636012][ T7704] __sys_sendmsg+0xcd/0x170 [16690.636012][ T7704] do_syscall_64+0xc6/0x1e0 [16690.636012][ T7704] [16690.638218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16690.638218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16690.638218][ T7704] ipv6_find_idev+0x102/0x170 [16690.638218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16690.638218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16690.638218][ T7704] netlink_rcv_skb+0x130/0x360 [16690.638218][ T7704] netlink_unicast+0x449/0x710 [16690.638218][ T7704] netlink_sendmsg+0x723/0xbe0 [16690.638218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16690.638218][ T7704] ___sys_sendmsg+0xee/0x170 [16690.638218][ T7704] __sys_sendmsg+0xcd/0x170 [16690.638218][ T7704] do_syscall_64+0xc6/0x1e0 [16690.638218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16690.638218][ T7704] [16690.639945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16690.639945][ T7704] neigh_parms_alloc+0x1e5/0x510 [16690.639945][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16690.639945][ T7704] ipv6_find_idev+0x102/0x170 [16690.639945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16690.639945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16690.639945][ T7704] netlink_rcv_skb+0x130/0x360 [16690.639945][ T7704] netlink_unicast+0x449/0x710 [16690.639945][ T7704] netlink_sendmsg+0x723/0xbe0 [16690.639945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16690.639945][ T7704] ___sys_sendmsg+0xee/0x170 [16690.639945][ T7704] __sys_sendmsg+0xcd/0x170 [16690.639945][ T7704] do_syscall_64+0xc6/0x1e0 [16690.639945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16690.639945][ T7704] [16700.671026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16700.672264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16700.672264][ T7704] netdev_get_by_index+0x5e/0x80 [16700.672264][ T7704] fib6_nh_init+0x3d8/0x15b0 [16700.672264][ T7704] ip6_route_info_create+0xf18/0x17d0 [16700.672264][ T7704] ip6_route_add+0x1c/0x140 [16700.672264][ T7704] addrconf_prefix_route+0x2a6/0x430 [16700.672264][ T7704] inet6_addr_add+0x4f8/0xa40 [16700.672264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16700.672264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16700.672264][ T7704] netlink_rcv_skb+0x130/0x360 [16700.672264][ T7704] netlink_unicast+0x449/0x710 [16700.672264][ T7704] netlink_sendmsg+0x723/0xbe0 [16700.672264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16700.672264][ T7704] ___sys_sendmsg+0xee/0x170 [16700.672264][ T7704] __sys_sendmsg+0xcd/0x170 [16700.672264][ T7704] do_syscall_64+0xc6/0x1e0 [16700.672264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16700.672264][ T7704] [16700.674500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16700.674500][ T7704] netdev_get_by_index+0x5e/0x80 [16700.674500][ T7704] fib6_nh_init+0x3d8/0x15b0 [16700.674500][ T7704] ip6_route_info_create+0xf18/0x17d0 [16700.674500][ T7704] addrconf_f6i_alloc+0x315/0x560 [16700.674500][ T7704] ipv6_add_addr+0x411/0x2000 [16700.674500][ T7704] inet6_addr_add+0x30e/0xa40 [16700.674500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16700.674500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16700.674500][ T7704] netlink_rcv_skb+0x130/0x360 [16700.674500][ T7704] netlink_unicast+0x449/0x710 [16700.674500][ T7704] netlink_sendmsg+0x723/0xbe0 [16700.674500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16700.674500][ T7704] ___sys_sendmsg+0xee/0x170 [16700.674500][ T7704] __sys_sendmsg+0xcd/0x170 [16700.674500][ T7704] do_syscall_64+0xc6/0x1e0 [16700.674500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16700.674500][ T7704] [16700.676635][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16700.676635][ T7704] netdev_get_by_index+0x5e/0x80 [16700.676635][ T7704] fib6_nh_init+0x3d8/0x15b0 [16700.676635][ T7704] ip6_route_info_create+0xf18/0x17d0 [16700.676635][ T7704] ip6_route_add+0x1c/0x140 [16700.676635][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16700.676635][ T7704] addrconf_add_dev+0xe2/0x170 [16700.676635][ T7704] inet6_addr_add+0x12f/0xa40 [16700.676635][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16700.676635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16700.676635][ T7704] netlink_rcv_skb+0x130/0x360 [16700.676635][ T7704] netlink_unicast+0x449/0x710 [16700.676635][ T7704] netlink_sendmsg+0x723/0xbe0 [16700.676635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16700.676635][ T7704] ___sys_sendmsg+0xee/0x170 [16700.676635][ T7704] __sys_sendmsg+0xcd/0x170 [16700.676635][ T7704] do_syscall_64+0xc6/0x1e0 [16700.676635][ T7704] [16700.678869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16700.678869][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16700.678869][ T7704] ipv6_find_idev+0x102/0x170 [16700.678869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16700.678869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16700.678869][ T7704] netlink_rcv_skb+0x130/0x360 [16700.678869][ T7704] netlink_unicast+0x449/0x710 [16700.678869][ T7704] netlink_sendmsg+0x723/0xbe0 [16700.678869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16700.678869][ T7704] ___sys_sendmsg+0xee/0x170 [16700.678869][ T7704] __sys_sendmsg+0xcd/0x170 [16700.678869][ T7704] do_syscall_64+0xc6/0x1e0 [16700.678869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16700.678869][ T7704] [16700.680640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16700.680640][ T7704] neigh_parms_alloc+0x1e5/0x510 [16700.680640][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16700.680640][ T7704] ipv6_find_idev+0x102/0x170 [16700.680640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16700.680640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16700.680640][ T7704] netlink_rcv_skb+0x130/0x360 [16700.680640][ T7704] netlink_unicast+0x449/0x710 [16700.680640][ T7704] netlink_sendmsg+0x723/0xbe0 [16700.680640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16700.680640][ T7704] ___sys_sendmsg+0xee/0x170 [16700.680640][ T7704] __sys_sendmsg+0xcd/0x170 [16700.680640][ T7704] do_syscall_64+0xc6/0x1e0 [16700.680640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16700.680640][ T7704] [16710.918884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16710.919387][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16710.919387][ T7704] netdev_get_by_index+0x5e/0x80 [16710.919387][ T7704] fib6_nh_init+0x3d8/0x15b0 [16710.919387][ T7704] ip6_route_info_create+0xf18/0x17d0 [16710.919387][ T7704] ip6_route_add+0x1c/0x140 [16710.919387][ T7704] addrconf_prefix_route+0x2a6/0x430 [16710.919387][ T7704] inet6_addr_add+0x4f8/0xa40 [16710.919387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16710.919387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16710.919387][ T7704] netlink_rcv_skb+0x130/0x360 [16710.919387][ T7704] netlink_unicast+0x449/0x710 [16710.919387][ T7704] netlink_sendmsg+0x723/0xbe0 [16710.919387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16710.919387][ T7704] ___sys_sendmsg+0xee/0x170 [16710.919387][ T7704] __sys_sendmsg+0xcd/0x170 [16710.919387][ T7704] do_syscall_64+0xc6/0x1e0 [16710.919387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16710.919387][ T7704] [16710.921689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16710.921689][ T7704] netdev_get_by_index+0x5e/0x80 [16710.921689][ T7704] fib6_nh_init+0x3d8/0x15b0 [16710.921689][ T7704] ip6_route_info_create+0xf18/0x17d0 [16710.921689][ T7704] addrconf_f6i_alloc+0x315/0x560 [16710.921689][ T7704] ipv6_add_addr+0x411/0x2000 [16710.921689][ T7704] inet6_addr_add+0x30e/0xa40 [16710.921689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16710.921689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16710.921689][ T7704] netlink_rcv_skb+0x130/0x360 [16710.921689][ T7704] netlink_unicast+0x449/0x710 [16710.921689][ T7704] netlink_sendmsg+0x723/0xbe0 [16710.921689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16710.921689][ T7704] ___sys_sendmsg+0xee/0x170 [16710.921689][ T7704] __sys_sendmsg+0xcd/0x170 [16710.921689][ T7704] do_syscall_64+0xc6/0x1e0 [16710.921689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16710.921689][ T7704] [16710.923949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16710.923949][ T7704] netdev_get_by_index+0x5e/0x80 [16710.923949][ T7704] fib6_nh_init+0x3d8/0x15b0 [16710.923949][ T7704] ip6_route_info_create+0xf18/0x17d0 [16710.923949][ T7704] ip6_route_add+0x1c/0x140 [16710.923949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16710.923949][ T7704] addrconf_add_dev+0xe2/0x170 [16710.923949][ T7704] inet6_addr_add+0x12f/0xa40 [16710.923949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16710.923949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16710.923949][ T7704] netlink_rcv_skb+0x130/0x360 [16710.923949][ T7704] netlink_unicast+0x449/0x710 [16710.923949][ T7704] netlink_sendmsg+0x723/0xbe0 [16710.923949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16710.923949][ T7704] ___sys_sendmsg+0xee/0x170 [16710.923949][ T7704] __sys_sendmsg+0xcd/0x170 [16710.923949][ T7704] do_syscall_64+0xc6/0x1e0 [16710.923949][ T7704] [16710.926152][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16710.926152][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16710.926152][ T7704] ipv6_find_idev+0x102/0x170 [16710.926152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16710.926152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16710.926152][ T7704] netlink_rcv_skb+0x130/0x360 [16710.926152][ T7704] netlink_unicast+0x449/0x710 [16710.926152][ T7704] netlink_sendmsg+0x723/0xbe0 [16710.926152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16710.926152][ T7704] ___sys_sendmsg+0xee/0x170 [16710.926152][ T7704] __sys_sendmsg+0xcd/0x170 [16710.926152][ T7704] do_syscall_64+0xc6/0x1e0 [16710.926152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16710.926152][ T7704] [16710.927874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16710.927874][ T7704] neigh_parms_alloc+0x1e5/0x510 [16710.927874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16710.927874][ T7704] ipv6_find_idev+0x102/0x170 [16710.927874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16710.927874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16710.927874][ T7704] netlink_rcv_skb+0x130/0x360 [16710.927874][ T7704] netlink_unicast+0x449/0x710 [16710.927874][ T7704] netlink_sendmsg+0x723/0xbe0 [16710.927874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16710.927874][ T7704] ___sys_sendmsg+0xee/0x170 [16710.927874][ T7704] __sys_sendmsg+0xcd/0x170 [16710.927874][ T7704] do_syscall_64+0xc6/0x1e0 [16710.927874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16710.927874][ T7704] [16721.166887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16721.167388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16721.167388][ T7704] netdev_get_by_index+0x5e/0x80 [16721.167388][ T7704] fib6_nh_init+0x3d8/0x15b0 [16721.167388][ T7704] ip6_route_info_create+0xf18/0x17d0 [16721.167388][ T7704] ip6_route_add+0x1c/0x140 [16721.167388][ T7704] addrconf_prefix_route+0x2a6/0x430 [16721.167388][ T7704] inet6_addr_add+0x4f8/0xa40 [16721.167388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16721.167388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16721.167388][ T7704] netlink_rcv_skb+0x130/0x360 [16721.167388][ T7704] netlink_unicast+0x449/0x710 [16721.167388][ T7704] netlink_sendmsg+0x723/0xbe0 [16721.167388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16721.167388][ T7704] ___sys_sendmsg+0xee/0x170 [16721.167388][ T7704] __sys_sendmsg+0xcd/0x170 [16721.167388][ T7704] do_syscall_64+0xc6/0x1e0 [16721.167388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16721.167388][ T7704] [16721.169659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16721.169659][ T7704] netdev_get_by_index+0x5e/0x80 [16721.169659][ T7704] fib6_nh_init+0x3d8/0x15b0 [16721.169659][ T7704] ip6_route_info_create+0xf18/0x17d0 [16721.169659][ T7704] addrconf_f6i_alloc+0x315/0x560 [16721.169659][ T7704] ipv6_add_addr+0x411/0x2000 [16721.169659][ T7704] inet6_addr_add+0x30e/0xa40 [16721.169659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16721.169659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16721.169659][ T7704] netlink_rcv_skb+0x130/0x360 [16721.169659][ T7704] netlink_unicast+0x449/0x710 [16721.169659][ T7704] netlink_sendmsg+0x723/0xbe0 [16721.169659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16721.169659][ T7704] ___sys_sendmsg+0xee/0x170 [16721.169659][ T7704] __sys_sendmsg+0xcd/0x170 [16721.169659][ T7704] do_syscall_64+0xc6/0x1e0 [16721.169659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16721.169659][ T7704] [16721.171912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16721.171912][ T7704] netdev_get_by_index+0x5e/0x80 [16721.171912][ T7704] fib6_nh_init+0x3d8/0x15b0 [16721.171912][ T7704] ip6_route_info_create+0xf18/0x17d0 [16721.171912][ T7704] ip6_route_add+0x1c/0x140 [16721.171912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16721.171912][ T7704] addrconf_add_dev+0xe2/0x170 [16721.171912][ T7704] inet6_addr_add+0x12f/0xa40 [16721.171912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16721.171912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16721.171912][ T7704] netlink_rcv_skb+0x130/0x360 [16721.171912][ T7704] netlink_unicast+0x449/0x710 [16721.171912][ T7704] netlink_sendmsg+0x723/0xbe0 [16721.171912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16721.171912][ T7704] ___sys_sendmsg+0xee/0x170 [16721.171912][ T7704] __sys_sendmsg+0xcd/0x170 [16721.171912][ T7704] do_syscall_64+0xc6/0x1e0 [16721.171912][ T7704] [16721.174157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16721.174157][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16721.174157][ T7704] ipv6_find_idev+0x102/0x170 [16721.174157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16721.174157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16721.174157][ T7704] netlink_rcv_skb+0x130/0x360 [16721.174157][ T7704] netlink_unicast+0x449/0x710 [16721.174157][ T7704] netlink_sendmsg+0x723/0xbe0 [16721.174157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16721.174157][ T7704] ___sys_sendmsg+0xee/0x170 [16721.174157][ T7704] __sys_sendmsg+0xcd/0x170 [16721.174157][ T7704] do_syscall_64+0xc6/0x1e0 [16721.174157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16721.174157][ T7704] [16721.175891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16721.175891][ T7704] neigh_parms_alloc+0x1e5/0x510 [16721.175891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16721.175891][ T7704] ipv6_find_idev+0x102/0x170 [16721.175891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16721.175891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16721.175891][ T7704] netlink_rcv_skb+0x130/0x360 [16721.175891][ T7704] netlink_unicast+0x449/0x710 [16721.175891][ T7704] netlink_sendmsg+0x723/0xbe0 [16721.175891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16721.175891][ T7704] ___sys_sendmsg+0xee/0x170 [16721.175891][ T7704] __sys_sendmsg+0xcd/0x170 [16721.175891][ T7704] do_syscall_64+0xc6/0x1e0 [16721.175891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16721.175891][ T7704] [16731.414970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16731.415393][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16731.415393][ T7704] netdev_get_by_index+0x5e/0x80 [16731.415393][ T7704] fib6_nh_init+0x3d8/0x15b0 [16731.415393][ T7704] ip6_route_info_create+0xf18/0x17d0 [16731.415393][ T7704] ip6_route_add+0x1c/0x140 [16731.415393][ T7704] addrconf_prefix_route+0x2a6/0x430 [16731.415393][ T7704] inet6_addr_add+0x4f8/0xa40 [16731.415393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16731.415393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16731.415393][ T7704] netlink_rcv_skb+0x130/0x360 [16731.415393][ T7704] netlink_unicast+0x449/0x710 [16731.415393][ T7704] netlink_sendmsg+0x723/0xbe0 [16731.415393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16731.415393][ T7704] ___sys_sendmsg+0xee/0x170 [16731.415393][ T7704] __sys_sendmsg+0xcd/0x170 [16731.415393][ T7704] do_syscall_64+0xc6/0x1e0 [16731.415393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16731.415393][ T7704] [16731.417647][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16731.417647][ T7704] netdev_get_by_index+0x5e/0x80 [16731.417647][ T7704] fib6_nh_init+0x3d8/0x15b0 [16731.417647][ T7704] ip6_route_info_create+0xf18/0x17d0 [16731.417647][ T7704] addrconf_f6i_alloc+0x315/0x560 [16731.417647][ T7704] ipv6_add_addr+0x411/0x2000 [16731.417647][ T7704] inet6_addr_add+0x30e/0xa40 [16731.417647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16731.417647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16731.417647][ T7704] netlink_rcv_skb+0x130/0x360 [16731.417647][ T7704] netlink_unicast+0x449/0x710 [16731.417647][ T7704] netlink_sendmsg+0x723/0xbe0 [16731.417647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16731.417647][ T7704] ___sys_sendmsg+0xee/0x170 [16731.417647][ T7704] __sys_sendmsg+0xcd/0x170 [16731.417647][ T7704] do_syscall_64+0xc6/0x1e0 [16731.417647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16731.417647][ T7704] [16731.419862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16731.419862][ T7704] netdev_get_by_index+0x5e/0x80 [16731.419862][ T7704] fib6_nh_init+0x3d8/0x15b0 [16731.419862][ T7704] ip6_route_info_create+0xf18/0x17d0 [16731.419862][ T7704] ip6_route_add+0x1c/0x140 [16731.419862][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16731.419862][ T7704] addrconf_add_dev+0xe2/0x170 [16731.419862][ T7704] inet6_addr_add+0x12f/0xa40 [16731.419862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16731.419862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16731.419862][ T7704] netlink_rcv_skb+0x130/0x360 [16731.419862][ T7704] netlink_unicast+0x449/0x710 [16731.419862][ T7704] netlink_sendmsg+0x723/0xbe0 [16731.419862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16731.419862][ T7704] ___sys_sendmsg+0xee/0x170 [16731.419862][ T7704] __sys_sendmsg+0xcd/0x170 [16731.419862][ T7704] do_syscall_64+0xc6/0x1e0 [16731.419862][ T7704] [16731.422051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16731.422051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16731.422051][ T7704] ipv6_find_idev+0x102/0x170 [16731.422051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16731.422051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16731.422051][ T7704] netlink_rcv_skb+0x130/0x360 [16731.422051][ T7704] netlink_unicast+0x449/0x710 [16731.422051][ T7704] netlink_sendmsg+0x723/0xbe0 [16731.422051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16731.422051][ T7704] ___sys_sendmsg+0xee/0x170 [16731.422051][ T7704] __sys_sendmsg+0xcd/0x170 [16731.422051][ T7704] do_syscall_64+0xc6/0x1e0 [16731.422051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16731.422051][ T7704] [16731.423753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16731.423753][ T7704] neigh_parms_alloc+0x1e5/0x510 [16731.423753][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16731.423753][ T7704] ipv6_find_idev+0x102/0x170 [16731.423753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16731.423753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16731.423753][ T7704] netlink_rcv_skb+0x130/0x360 [16731.423753][ T7704] netlink_unicast+0x449/0x710 [16731.423753][ T7704] netlink_sendmsg+0x723/0xbe0 [16731.423753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16731.423753][ T7704] ___sys_sendmsg+0xee/0x170 [16731.423753][ T7704] __sys_sendmsg+0xcd/0x170 [16731.423753][ T7704] do_syscall_64+0xc6/0x1e0 [16731.423753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16731.423753][ T7704] [16741.662895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16741.663309][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16741.663309][ T7704] netdev_get_by_index+0x5e/0x80 [16741.663309][ T7704] fib6_nh_init+0x3d8/0x15b0 [16741.663309][ T7704] ip6_route_info_create+0xf18/0x17d0 [16741.663309][ T7704] ip6_route_add+0x1c/0x140 [16741.663309][ T7704] addrconf_prefix_route+0x2a6/0x430 [16741.663309][ T7704] inet6_addr_add+0x4f8/0xa40 [16741.663309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16741.663309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16741.663309][ T7704] netlink_rcv_skb+0x130/0x360 [16741.663309][ T7704] netlink_unicast+0x449/0x710 [16741.663309][ T7704] netlink_sendmsg+0x723/0xbe0 [16741.663309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16741.663309][ T7704] ___sys_sendmsg+0xee/0x170 [16741.663309][ T7704] __sys_sendmsg+0xcd/0x170 [16741.663309][ T7704] do_syscall_64+0xc6/0x1e0 [16741.663309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16741.663309][ T7704] [16741.665554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16741.665554][ T7704] netdev_get_by_index+0x5e/0x80 [16741.665554][ T7704] fib6_nh_init+0x3d8/0x15b0 [16741.665554][ T7704] ip6_route_info_create+0xf18/0x17d0 [16741.665554][ T7704] addrconf_f6i_alloc+0x315/0x560 [16741.665554][ T7704] ipv6_add_addr+0x411/0x2000 [16741.665554][ T7704] inet6_addr_add+0x30e/0xa40 [16741.665554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16741.665554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16741.665554][ T7704] netlink_rcv_skb+0x130/0x360 [16741.665554][ T7704] netlink_unicast+0x449/0x710 [16741.665554][ T7704] netlink_sendmsg+0x723/0xbe0 [16741.665554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16741.665554][ T7704] ___sys_sendmsg+0xee/0x170 [16741.665554][ T7704] __sys_sendmsg+0xcd/0x170 [16741.665554][ T7704] do_syscall_64+0xc6/0x1e0 [16741.665554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16741.665554][ T7704] [16741.695654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16741.695654][ T7704] netdev_get_by_index+0x5e/0x80 [16741.695654][ T7704] fib6_nh_init+0x3d8/0x15b0 [16741.695654][ T7704] ip6_route_info_create+0xf18/0x17d0 [16741.695654][ T7704] ip6_route_add+0x1c/0x140 [16741.695654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16741.695654][ T7704] addrconf_add_dev+0xe2/0x170 [16741.695654][ T7704] inet6_addr_add+0x12f/0xa40 [16741.695654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16741.695654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16741.695654][ T7704] netlink_rcv_skb+0x130/0x360 [16741.695654][ T7704] netlink_unicast+0x449/0x710 [16741.695654][ T7704] netlink_sendmsg+0x723/0xbe0 [16741.695654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16741.695654][ T7704] ___sys_sendmsg+0xee/0x170 [16741.695654][ T7704] __sys_sendmsg+0xcd/0x170 [16741.695654][ T7704] do_syscall_64+0xc6/0x1e0 [16741.695654][ T7704] [16741.697840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16741.697840][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16741.697840][ T7704] ipv6_find_idev+0x102/0x170 [16741.697840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16741.697840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16741.697840][ T7704] netlink_rcv_skb+0x130/0x360 [16741.697840][ T7704] netlink_unicast+0x449/0x710 [16741.697840][ T7704] netlink_sendmsg+0x723/0xbe0 [16741.697840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16741.697840][ T7704] ___sys_sendmsg+0xee/0x170 [16741.697840][ T7704] __sys_sendmsg+0xcd/0x170 [16741.697840][ T7704] do_syscall_64+0xc6/0x1e0 [16741.697840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16741.697840][ T7704] [16741.699554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16741.699554][ T7704] neigh_parms_alloc+0x1e5/0x510 [16741.699554][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16741.699554][ T7704] ipv6_find_idev+0x102/0x170 [16741.699554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16741.699554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16741.699554][ T7704] netlink_rcv_skb+0x130/0x360 [16741.699554][ T7704] netlink_unicast+0x449/0x710 [16741.699554][ T7704] netlink_sendmsg+0x723/0xbe0 [16741.699554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16741.699554][ T7704] ___sys_sendmsg+0xee/0x170 [16741.699554][ T7704] __sys_sendmsg+0xcd/0x170 [16741.699554][ T7704] do_syscall_64+0xc6/0x1e0 [16741.699554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16741.699554][ T7704] [16751.942894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16751.943488][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16751.943488][ T7704] netdev_get_by_index+0x5e/0x80 [16751.943488][ T7704] fib6_nh_init+0x3d8/0x15b0 [16751.943488][ T7704] ip6_route_info_create+0xf18/0x17d0 [16751.943488][ T7704] ip6_route_add+0x1c/0x140 [16751.943488][ T7704] addrconf_prefix_route+0x2a6/0x430 [16751.943488][ T7704] inet6_addr_add+0x4f8/0xa40 [16751.943488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16751.943488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16751.943488][ T7704] netlink_rcv_skb+0x130/0x360 [16751.943488][ T7704] netlink_unicast+0x449/0x710 [16751.943488][ T7704] netlink_sendmsg+0x723/0xbe0 [16751.943488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16751.943488][ T7704] ___sys_sendmsg+0xee/0x170 [16751.943488][ T7704] __sys_sendmsg+0xcd/0x170 [16751.943488][ T7704] do_syscall_64+0xc6/0x1e0 [16751.943488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16751.943488][ T7704] [16751.947125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16751.947125][ T7704] netdev_get_by_index+0x5e/0x80 [16751.947125][ T7704] fib6_nh_init+0x3d8/0x15b0 [16751.947125][ T7704] ip6_route_info_create+0xf18/0x17d0 [16751.947125][ T7704] addrconf_f6i_alloc+0x315/0x560 [16751.947125][ T7704] ipv6_add_addr+0x411/0x2000 [16751.947125][ T7704] inet6_addr_add+0x30e/0xa40 [16751.947125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16751.947125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16751.947125][ T7704] netlink_rcv_skb+0x130/0x360 [16751.947125][ T7704] netlink_unicast+0x449/0x710 [16751.947125][ T7704] netlink_sendmsg+0x723/0xbe0 [16751.947125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16751.947125][ T7704] ___sys_sendmsg+0xee/0x170 [16751.947125][ T7704] __sys_sendmsg+0xcd/0x170 [16751.947125][ T7704] do_syscall_64+0xc6/0x1e0 [16751.947125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16751.947125][ T7704] [16751.950714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16751.950714][ T7704] netdev_get_by_index+0x5e/0x80 [16751.950714][ T7704] fib6_nh_init+0x3d8/0x15b0 [16751.950714][ T7704] ip6_route_info_create+0xf18/0x17d0 [16751.950714][ T7704] ip6_route_add+0x1c/0x140 [16751.950714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16751.950714][ T7704] addrconf_add_dev+0xe2/0x170 [16751.950714][ T7704] inet6_addr_add+0x12f/0xa40 [16751.950714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16751.950714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16751.950714][ T7704] netlink_rcv_skb+0x130/0x360 [16751.950714][ T7704] netlink_unicast+0x449/0x710 [16751.950714][ T7704] netlink_sendmsg+0x723/0xbe0 [16751.950714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16751.950714][ T7704] ___sys_sendmsg+0xee/0x170 [16751.950714][ T7704] __sys_sendmsg+0xcd/0x170 [16751.950714][ T7704] do_syscall_64+0xc6/0x1e0 [16751.950714][ T7704] [16751.954229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16751.954229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16751.954229][ T7704] ipv6_find_idev+0x102/0x170 [16751.954229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16751.954229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16751.954229][ T7704] netlink_rcv_skb+0x130/0x360 [16751.954229][ T7704] netlink_unicast+0x449/0x710 [16751.954229][ T7704] netlink_sendmsg+0x723/0xbe0 [16751.954229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16751.954229][ T7704] ___sys_sendmsg+0xee/0x170 [16751.954229][ T7704] __sys_sendmsg+0xcd/0x170 [16751.954229][ T7704] do_syscall_64+0xc6/0x1e0 [16751.954229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16751.954229][ T7704] [16751.957889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16751.957889][ T7704] neigh_parms_alloc+0x1e5/0x510 [16751.957889][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16751.957889][ T7704] ipv6_find_idev+0x102/0x170 [16751.957889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16751.957889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16751.957889][ T7704] netlink_rcv_skb+0x130/0x360 [16751.957889][ T7704] netlink_unicast+0x449/0x710 [16751.957889][ T7704] netlink_sendmsg+0x723/0xbe0 [16751.957889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16751.957889][ T7704] ___sys_sendmsg+0xee/0x170 [16751.957889][ T7704] __sys_sendmsg+0xcd/0x170 [16751.957889][ T7704] do_syscall_64+0xc6/0x1e0 [16751.957889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16751.957889][ T7704] [16762.199026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16762.199577][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16762.199577][ T7704] netdev_get_by_index+0x5e/0x80 [16762.199577][ T7704] fib6_nh_init+0x3d8/0x15b0 [16762.199577][ T7704] ip6_route_info_create+0xf18/0x17d0 [16762.199577][ T7704] ip6_route_add+0x1c/0x140 [16762.199577][ T7704] addrconf_prefix_route+0x2a6/0x430 [16762.199577][ T7704] inet6_addr_add+0x4f8/0xa40 [16762.199577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16762.199577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16762.199577][ T7704] netlink_rcv_skb+0x130/0x360 [16762.199577][ T7704] netlink_unicast+0x449/0x710 [16762.199577][ T7704] netlink_sendmsg+0x723/0xbe0 [16762.199577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16762.199577][ T7704] ___sys_sendmsg+0xee/0x170 [16762.199577][ T7704] __sys_sendmsg+0xcd/0x170 [16762.199577][ T7704] do_syscall_64+0xc6/0x1e0 [16762.199577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16762.199577][ T7704] [16762.201910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16762.201910][ T7704] netdev_get_by_index+0x5e/0x80 [16762.201910][ T7704] fib6_nh_init+0x3d8/0x15b0 [16762.201910][ T7704] ip6_route_info_create+0xf18/0x17d0 [16762.201910][ T7704] addrconf_f6i_alloc+0x315/0x560 [16762.201910][ T7704] ipv6_add_addr+0x411/0x2000 [16762.201910][ T7704] inet6_addr_add+0x30e/0xa40 [16762.201910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16762.201910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16762.201910][ T7704] netlink_rcv_skb+0x130/0x360 [16762.201910][ T7704] netlink_unicast+0x449/0x710 [16762.201910][ T7704] netlink_sendmsg+0x723/0xbe0 [16762.201910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16762.201910][ T7704] ___sys_sendmsg+0xee/0x170 [16762.201910][ T7704] __sys_sendmsg+0xcd/0x170 [16762.201910][ T7704] do_syscall_64+0xc6/0x1e0 [16762.201910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16762.201910][ T7704] [16762.204180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16762.204180][ T7704] netdev_get_by_index+0x5e/0x80 [16762.204180][ T7704] fib6_nh_init+0x3d8/0x15b0 [16762.204180][ T7704] ip6_route_info_create+0xf18/0x17d0 [16762.204180][ T7704] ip6_route_add+0x1c/0x140 [16762.204180][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16762.204180][ T7704] addrconf_add_dev+0xe2/0x170 [16762.204180][ T7704] inet6_addr_add+0x12f/0xa40 [16762.204180][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16762.204180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16762.204180][ T7704] netlink_rcv_skb+0x130/0x360 [16762.204180][ T7704] netlink_unicast+0x449/0x710 [16762.204180][ T7704] netlink_sendmsg+0x723/0xbe0 [16762.204180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16762.204180][ T7704] ___sys_sendmsg+0xee/0x170 [16762.204180][ T7704] __sys_sendmsg+0xcd/0x170 [16762.204180][ T7704] do_syscall_64+0xc6/0x1e0 [16762.204180][ T7704] [16762.232704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16762.232704][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16762.232704][ T7704] ipv6_find_idev+0x102/0x170 [16762.232704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16762.232704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16762.232704][ T7704] netlink_rcv_skb+0x130/0x360 [16762.232704][ T7704] netlink_unicast+0x449/0x710 [16762.232704][ T7704] netlink_sendmsg+0x723/0xbe0 [16762.232704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16762.232704][ T7704] ___sys_sendmsg+0xee/0x170 [16762.232704][ T7704] __sys_sendmsg+0xcd/0x170 [16762.232704][ T7704] do_syscall_64+0xc6/0x1e0 [16762.232704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16762.232704][ T7704] [16762.234424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16762.234424][ T7704] neigh_parms_alloc+0x1e5/0x510 [16762.234424][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16762.234424][ T7704] ipv6_find_idev+0x102/0x170 [16762.234424][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16762.234424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16762.234424][ T7704] netlink_rcv_skb+0x130/0x360 [16762.234424][ T7704] netlink_unicast+0x449/0x710 [16762.234424][ T7704] netlink_sendmsg+0x723/0xbe0 [16762.234424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16762.234424][ T7704] ___sys_sendmsg+0xee/0x170 [16762.234424][ T7704] __sys_sendmsg+0xcd/0x170 [16762.234424][ T7704] do_syscall_64+0xc6/0x1e0 [16762.234424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16762.234424][ T7704] [16772.294942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16772.295382][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16772.295382][ T7704] netdev_get_by_index+0x5e/0x80 [16772.295382][ T7704] fib6_nh_init+0x3d8/0x15b0 [16772.295382][ T7704] ip6_route_info_create+0xf18/0x17d0 [16772.295382][ T7704] ip6_route_add+0x1c/0x140 [16772.295382][ T7704] addrconf_prefix_route+0x2a6/0x430 [16772.295382][ T7704] inet6_addr_add+0x4f8/0xa40 [16772.295382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16772.295382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16772.295382][ T7704] netlink_rcv_skb+0x130/0x360 [16772.295382][ T7704] netlink_unicast+0x449/0x710 [16772.295382][ T7704] netlink_sendmsg+0x723/0xbe0 [16772.295382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16772.295382][ T7704] ___sys_sendmsg+0xee/0x170 [16772.295382][ T7704] __sys_sendmsg+0xcd/0x170 [16772.295382][ T7704] do_syscall_64+0xc6/0x1e0 [16772.295382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16772.295382][ T7704] [16772.297664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16772.297664][ T7704] netdev_get_by_index+0x5e/0x80 [16772.297664][ T7704] fib6_nh_init+0x3d8/0x15b0 [16772.297664][ T7704] ip6_route_info_create+0xf18/0x17d0 [16772.297664][ T7704] addrconf_f6i_alloc+0x315/0x560 [16772.297664][ T7704] ipv6_add_addr+0x411/0x2000 [16772.297664][ T7704] inet6_addr_add+0x30e/0xa40 [16772.297664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16772.297664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16772.297664][ T7704] netlink_rcv_skb+0x130/0x360 [16772.297664][ T7704] netlink_unicast+0x449/0x710 [16772.297664][ T7704] netlink_sendmsg+0x723/0xbe0 [16772.297664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16772.297664][ T7704] ___sys_sendmsg+0xee/0x170 [16772.297664][ T7704] __sys_sendmsg+0xcd/0x170 [16772.297664][ T7704] do_syscall_64+0xc6/0x1e0 [16772.297664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16772.297664][ T7704] [16772.299917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16772.299917][ T7704] netdev_get_by_index+0x5e/0x80 [16772.299917][ T7704] fib6_nh_init+0x3d8/0x15b0 [16772.299917][ T7704] ip6_route_info_create+0xf18/0x17d0 [16772.299917][ T7704] ip6_route_add+0x1c/0x140 [16772.299917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16772.299917][ T7704] addrconf_add_dev+0xe2/0x170 [16772.299917][ T7704] inet6_addr_add+0x12f/0xa40 [16772.299917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16772.299917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16772.299917][ T7704] netlink_rcv_skb+0x130/0x360 [16772.299917][ T7704] netlink_unicast+0x449/0x710 [16772.299917][ T7704] netlink_sendmsg+0x723/0xbe0 [16772.299917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16772.299917][ T7704] ___sys_sendmsg+0xee/0x170 [16772.299917][ T7704] __sys_sendmsg+0xcd/0x170 [16772.299917][ T7704] do_syscall_64+0xc6/0x1e0 [16772.299917][ T7704] [16772.302143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16772.302143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16772.302143][ T7704] ipv6_find_idev+0x102/0x170 [16772.302143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16772.302143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16772.302143][ T7704] netlink_rcv_skb+0x130/0x360 [16772.302143][ T7704] netlink_unicast+0x449/0x710 [16772.302143][ T7704] netlink_sendmsg+0x723/0xbe0 [16772.302143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16772.302143][ T7704] ___sys_sendmsg+0xee/0x170 [16772.302143][ T7704] __sys_sendmsg+0xcd/0x170 [16772.302143][ T7704] do_syscall_64+0xc6/0x1e0 [16772.302143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16772.302143][ T7704] [16772.303913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16772.303913][ T7704] neigh_parms_alloc+0x1e5/0x510 [16772.303913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16772.303913][ T7704] ipv6_find_idev+0x102/0x170 [16772.303913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16772.303913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16772.303913][ T7704] netlink_rcv_skb+0x130/0x360 [16772.303913][ T7704] netlink_unicast+0x449/0x710 [16772.303913][ T7704] netlink_sendmsg+0x723/0xbe0 [16772.303913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16772.303913][ T7704] ___sys_sendmsg+0xee/0x170 [16772.303913][ T7704] __sys_sendmsg+0xcd/0x170 [16772.303913][ T7704] do_syscall_64+0xc6/0x1e0 [16772.303913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16772.303913][ T7704] [16782.543104][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16782.543685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16782.543685][ T7704] netdev_get_by_index+0x5e/0x80 [16782.543685][ T7704] fib6_nh_init+0x3d8/0x15b0 [16782.543685][ T7704] ip6_route_info_create+0xf18/0x17d0 [16782.543685][ T7704] ip6_route_add+0x1c/0x140 [16782.543685][ T7704] addrconf_prefix_route+0x2a6/0x430 [16782.543685][ T7704] inet6_addr_add+0x4f8/0xa40 [16782.543685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16782.543685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16782.543685][ T7704] netlink_rcv_skb+0x130/0x360 [16782.543685][ T7704] netlink_unicast+0x449/0x710 [16782.543685][ T7704] netlink_sendmsg+0x723/0xbe0 [16782.543685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16782.543685][ T7704] ___sys_sendmsg+0xee/0x170 [16782.543685][ T7704] __sys_sendmsg+0xcd/0x170 [16782.543685][ T7704] do_syscall_64+0xc6/0x1e0 [16782.543685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16782.543685][ T7704] [16782.545926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16782.545926][ T7704] netdev_get_by_index+0x5e/0x80 [16782.545926][ T7704] fib6_nh_init+0x3d8/0x15b0 [16782.545926][ T7704] ip6_route_info_create+0xf18/0x17d0 [16782.545926][ T7704] addrconf_f6i_alloc+0x315/0x560 [16782.545926][ T7704] ipv6_add_addr+0x411/0x2000 [16782.545926][ T7704] inet6_addr_add+0x30e/0xa40 [16782.545926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16782.545926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16782.545926][ T7704] netlink_rcv_skb+0x130/0x360 [16782.545926][ T7704] netlink_unicast+0x449/0x710 [16782.545926][ T7704] netlink_sendmsg+0x723/0xbe0 [16782.545926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16782.545926][ T7704] ___sys_sendmsg+0xee/0x170 [16782.545926][ T7704] __sys_sendmsg+0xcd/0x170 [16782.545926][ T7704] do_syscall_64+0xc6/0x1e0 [16782.545926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16782.545926][ T7704] [16782.548148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16782.548148][ T7704] netdev_get_by_index+0x5e/0x80 [16782.548148][ T7704] fib6_nh_init+0x3d8/0x15b0 [16782.548148][ T7704] ip6_route_info_create+0xf18/0x17d0 [16782.548148][ T7704] ip6_route_add+0x1c/0x140 [16782.548148][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16782.548148][ T7704] addrconf_add_dev+0xe2/0x170 [16782.548148][ T7704] inet6_addr_add+0x12f/0xa40 [16782.548148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16782.548148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16782.548148][ T7704] netlink_rcv_skb+0x130/0x360 [16782.548148][ T7704] netlink_unicast+0x449/0x710 [16782.548148][ T7704] netlink_sendmsg+0x723/0xbe0 [16782.548148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16782.548148][ T7704] ___sys_sendmsg+0xee/0x170 [16782.548148][ T7704] __sys_sendmsg+0xcd/0x170 [16782.548148][ T7704] do_syscall_64+0xc6/0x1e0 [16782.548148][ T7704] [16782.550401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16782.550401][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16782.550401][ T7704] ipv6_find_idev+0x102/0x170 [16782.550401][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16782.550401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16782.550401][ T7704] netlink_rcv_skb+0x130/0x360 [16782.550401][ T7704] netlink_unicast+0x449/0x710 [16782.550401][ T7704] netlink_sendmsg+0x723/0xbe0 [16782.550401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16782.550401][ T7704] ___sys_sendmsg+0xee/0x170 [16782.550401][ T7704] __sys_sendmsg+0xcd/0x170 [16782.550401][ T7704] do_syscall_64+0xc6/0x1e0 [16782.550401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16782.550401][ T7704] [16782.552112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16782.552112][ T7704] neigh_parms_alloc+0x1e5/0x510 [16782.552112][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16782.552112][ T7704] ipv6_find_idev+0x102/0x170 [16782.552112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16782.552112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16782.552112][ T7704] netlink_rcv_skb+0x130/0x360 [16782.552112][ T7704] netlink_unicast+0x449/0x710 [16782.552112][ T7704] netlink_sendmsg+0x723/0xbe0 [16782.552112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16782.552112][ T7704] ___sys_sendmsg+0xee/0x170 [16782.552112][ T7704] __sys_sendmsg+0xcd/0x170 [16782.552112][ T7704] do_syscall_64+0xc6/0x1e0 [16782.552112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16782.552112][ T7704] [16792.710960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16792.711470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16792.711470][ T7704] netdev_get_by_index+0x5e/0x80 [16792.711470][ T7704] fib6_nh_init+0x3d8/0x15b0 [16792.711470][ T7704] ip6_route_info_create+0xf18/0x17d0 [16792.711470][ T7704] ip6_route_add+0x1c/0x140 [16792.711470][ T7704] addrconf_prefix_route+0x2a6/0x430 [16792.711470][ T7704] inet6_addr_add+0x4f8/0xa40 [16792.711470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16792.711470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16792.711470][ T7704] netlink_rcv_skb+0x130/0x360 [16792.711470][ T7704] netlink_unicast+0x449/0x710 [16792.711470][ T7704] netlink_sendmsg+0x723/0xbe0 [16792.711470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16792.711470][ T7704] ___sys_sendmsg+0xee/0x170 [16792.711470][ T7704] __sys_sendmsg+0xcd/0x170 [16792.711470][ T7704] do_syscall_64+0xc6/0x1e0 [16792.711470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16792.711470][ T7704] [16792.713736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16792.713736][ T7704] netdev_get_by_index+0x5e/0x80 [16792.713736][ T7704] fib6_nh_init+0x3d8/0x15b0 [16792.713736][ T7704] ip6_route_info_create+0xf18/0x17d0 [16792.713736][ T7704] addrconf_f6i_alloc+0x315/0x560 [16792.713736][ T7704] ipv6_add_addr+0x411/0x2000 [16792.713736][ T7704] inet6_addr_add+0x30e/0xa40 [16792.713736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16792.713736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16792.713736][ T7704] netlink_rcv_skb+0x130/0x360 [16792.713736][ T7704] netlink_unicast+0x449/0x710 [16792.713736][ T7704] netlink_sendmsg+0x723/0xbe0 [16792.713736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16792.713736][ T7704] ___sys_sendmsg+0xee/0x170 [16792.713736][ T7704] __sys_sendmsg+0xcd/0x170 [16792.713736][ T7704] do_syscall_64+0xc6/0x1e0 [16792.713736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16792.713736][ T7704] [16792.715964][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16792.715964][ T7704] netdev_get_by_index+0x5e/0x80 [16792.715964][ T7704] fib6_nh_init+0x3d8/0x15b0 [16792.715964][ T7704] ip6_route_info_create+0xf18/0x17d0 [16792.715964][ T7704] ip6_route_add+0x1c/0x140 [16792.715964][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16792.715964][ T7704] addrconf_add_dev+0xe2/0x170 [16792.715964][ T7704] inet6_addr_add+0x12f/0xa40 [16792.715964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16792.715964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16792.715964][ T7704] netlink_rcv_skb+0x130/0x360 [16792.715964][ T7704] netlink_unicast+0x449/0x710 [16792.715964][ T7704] netlink_sendmsg+0x723/0xbe0 [16792.715964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16792.715964][ T7704] ___sys_sendmsg+0xee/0x170 [16792.715964][ T7704] __sys_sendmsg+0xcd/0x170 [16792.715964][ T7704] do_syscall_64+0xc6/0x1e0 [16792.715964][ T7704] [16792.718136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16792.718136][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16792.718136][ T7704] ipv6_find_idev+0x102/0x170 [16792.718136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16792.718136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16792.718136][ T7704] netlink_rcv_skb+0x130/0x360 [16792.718136][ T7704] netlink_unicast+0x449/0x710 [16792.718136][ T7704] netlink_sendmsg+0x723/0xbe0 [16792.718136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16792.718136][ T7704] ___sys_sendmsg+0xee/0x170 [16792.718136][ T7704] __sys_sendmsg+0xcd/0x170 [16792.718136][ T7704] do_syscall_64+0xc6/0x1e0 [16792.718136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16792.718136][ T7704] [16792.719840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16792.719840][ T7704] neigh_parms_alloc+0x1e5/0x510 [16792.719840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16792.719840][ T7704] ipv6_find_idev+0x102/0x170 [16792.719840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16792.719840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16792.719840][ T7704] netlink_rcv_skb+0x130/0x360 [16792.719840][ T7704] netlink_unicast+0x449/0x710 [16792.719840][ T7704] netlink_sendmsg+0x723/0xbe0 [16792.719840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16792.719840][ T7704] ___sys_sendmsg+0xee/0x170 [16792.719840][ T7704] __sys_sendmsg+0xcd/0x170 [16792.719840][ T7704] do_syscall_64+0xc6/0x1e0 [16792.719840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16792.719840][ T7704] [16802.958997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16802.959614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16802.959614][ T7704] netdev_get_by_index+0x5e/0x80 [16802.959614][ T7704] fib6_nh_init+0x3d8/0x15b0 [16802.959614][ T7704] ip6_route_info_create+0xf18/0x17d0 [16802.959614][ T7704] ip6_route_add+0x1c/0x140 [16802.959614][ T7704] addrconf_prefix_route+0x2a6/0x430 [16802.959614][ T7704] inet6_addr_add+0x4f8/0xa40 [16802.959614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16802.959614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16802.959614][ T7704] netlink_rcv_skb+0x130/0x360 [16802.959614][ T7704] netlink_unicast+0x449/0x710 [16802.959614][ T7704] netlink_sendmsg+0x723/0xbe0 [16802.959614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16802.959614][ T7704] ___sys_sendmsg+0xee/0x170 [16802.959614][ T7704] __sys_sendmsg+0xcd/0x170 [16802.959614][ T7704] do_syscall_64+0xc6/0x1e0 [16802.959614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16802.959614][ T7704] [16802.961872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16802.961872][ T7704] netdev_get_by_index+0x5e/0x80 [16802.961872][ T7704] fib6_nh_init+0x3d8/0x15b0 [16802.961872][ T7704] ip6_route_info_create+0xf18/0x17d0 [16802.961872][ T7704] addrconf_f6i_alloc+0x315/0x560 [16802.961872][ T7704] ipv6_add_addr+0x411/0x2000 [16802.961872][ T7704] inet6_addr_add+0x30e/0xa40 [16802.961872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16802.961872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16802.961872][ T7704] netlink_rcv_skb+0x130/0x360 [16802.961872][ T7704] netlink_unicast+0x449/0x710 [16802.961872][ T7704] netlink_sendmsg+0x723/0xbe0 [16802.961872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16802.961872][ T7704] ___sys_sendmsg+0xee/0x170 [16802.961872][ T7704] __sys_sendmsg+0xcd/0x170 [16802.961872][ T7704] do_syscall_64+0xc6/0x1e0 [16802.961872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16802.961872][ T7704] [16802.964055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16802.964055][ T7704] netdev_get_by_index+0x5e/0x80 [16802.964055][ T7704] fib6_nh_init+0x3d8/0x15b0 [16802.964055][ T7704] ip6_route_info_create+0xf18/0x17d0 [16802.964055][ T7704] ip6_route_add+0x1c/0x140 [16802.964055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16802.964055][ T7704] addrconf_add_dev+0xe2/0x170 [16802.964055][ T7704] inet6_addr_add+0x12f/0xa40 [16802.964055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16802.964055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16802.964055][ T7704] netlink_rcv_skb+0x130/0x360 [16802.964055][ T7704] netlink_unicast+0x449/0x710 [16802.964055][ T7704] netlink_sendmsg+0x723/0xbe0 [16802.964055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16802.964055][ T7704] ___sys_sendmsg+0xee/0x170 [16802.964055][ T7704] __sys_sendmsg+0xcd/0x170 [16802.964055][ T7704] do_syscall_64+0xc6/0x1e0 [16802.964055][ T7704] [16802.966243][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16802.966243][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16802.966243][ T7704] ipv6_find_idev+0x102/0x170 [16802.966243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16802.966243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16802.966243][ T7704] netlink_rcv_skb+0x130/0x360 [16802.966243][ T7704] netlink_unicast+0x449/0x710 [16802.966243][ T7704] netlink_sendmsg+0x723/0xbe0 [16802.966243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16802.966243][ T7704] ___sys_sendmsg+0xee/0x170 [16802.966243][ T7704] __sys_sendmsg+0xcd/0x170 [16802.966243][ T7704] do_syscall_64+0xc6/0x1e0 [16802.966243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16802.966243][ T7704] [16802.967955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16802.967955][ T7704] neigh_parms_alloc+0x1e5/0x510 [16802.967955][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16802.967955][ T7704] ipv6_find_idev+0x102/0x170 [16802.967955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16802.967955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16802.967955][ T7704] netlink_rcv_skb+0x130/0x360 [16802.967955][ T7704] netlink_unicast+0x449/0x710 [16802.967955][ T7704] netlink_sendmsg+0x723/0xbe0 [16802.967955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16802.967955][ T7704] ___sys_sendmsg+0xee/0x170 [16802.967955][ T7704] __sys_sendmsg+0xcd/0x170 [16802.967955][ T7704] do_syscall_64+0xc6/0x1e0 [16802.967955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16802.967955][ T7704] [16813.206964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16813.207460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16813.207460][ T7704] netdev_get_by_index+0x5e/0x80 [16813.207460][ T7704] fib6_nh_init+0x3d8/0x15b0 [16813.207460][ T7704] ip6_route_info_create+0xf18/0x17d0 [16813.207460][ T7704] ip6_route_add+0x1c/0x140 [16813.207460][ T7704] addrconf_prefix_route+0x2a6/0x430 [16813.207460][ T7704] inet6_addr_add+0x4f8/0xa40 [16813.207460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16813.207460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16813.207460][ T7704] netlink_rcv_skb+0x130/0x360 [16813.207460][ T7704] netlink_unicast+0x449/0x710 [16813.207460][ T7704] netlink_sendmsg+0x723/0xbe0 [16813.207460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16813.207460][ T7704] ___sys_sendmsg+0xee/0x170 [16813.207460][ T7704] __sys_sendmsg+0xcd/0x170 [16813.207460][ T7704] do_syscall_64+0xc6/0x1e0 [16813.207460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16813.207460][ T7704] [16813.210216][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16813.210216][ T7704] netdev_get_by_index+0x5e/0x80 [16813.210216][ T7704] fib6_nh_init+0x3d8/0x15b0 [16813.210216][ T7704] ip6_route_info_create+0xf18/0x17d0 [16813.210216][ T7704] addrconf_f6i_alloc+0x315/0x560 [16813.210216][ T7704] ipv6_add_addr+0x411/0x2000 [16813.210216][ T7704] inet6_addr_add+0x30e/0xa40 [16813.210216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16813.210216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16813.210216][ T7704] netlink_rcv_skb+0x130/0x360 [16813.210216][ T7704] netlink_unicast+0x449/0x710 [16813.210216][ T7704] netlink_sendmsg+0x723/0xbe0 [16813.210216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16813.210216][ T7704] ___sys_sendmsg+0xee/0x170 [16813.210216][ T7704] __sys_sendmsg+0xcd/0x170 [16813.210216][ T7704] do_syscall_64+0xc6/0x1e0 [16813.210216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16813.210216][ T7704] [16813.212948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16813.212948][ T7704] netdev_get_by_index+0x5e/0x80 [16813.212948][ T7704] fib6_nh_init+0x3d8/0x15b0 [16813.212948][ T7704] ip6_route_info_create+0xf18/0x17d0 [16813.212948][ T7704] ip6_route_add+0x1c/0x140 [16813.212948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16813.212948][ T7704] addrconf_add_dev+0xe2/0x170 [16813.212948][ T7704] inet6_addr_add+0x12f/0xa40 [16813.212948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16813.212948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16813.212948][ T7704] netlink_rcv_skb+0x130/0x360 [16813.212948][ T7704] netlink_unicast+0x449/0x710 [16813.212948][ T7704] netlink_sendmsg+0x723/0xbe0 [16813.212948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16813.212948][ T7704] ___sys_sendmsg+0xee/0x170 [16813.212948][ T7704] __sys_sendmsg+0xcd/0x170 [16813.212948][ T7704] do_syscall_64+0xc6/0x1e0 [16813.212948][ T7704] [16813.215633][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16813.215633][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16813.215633][ T7704] ipv6_find_idev+0x102/0x170 [16813.215633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16813.215633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16813.215633][ T7704] netlink_rcv_skb+0x130/0x360 [16813.215633][ T7704] netlink_unicast+0x449/0x710 [16813.215633][ T7704] netlink_sendmsg+0x723/0xbe0 [16813.215633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16813.215633][ T7704] ___sys_sendmsg+0xee/0x170 [16813.215633][ T7704] __sys_sendmsg+0xcd/0x170 [16813.215633][ T7704] do_syscall_64+0xc6/0x1e0 [16813.215633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16813.215633][ T7704] [16813.217729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16813.217729][ T7704] neigh_parms_alloc+0x1e5/0x510 [16813.217729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16813.217729][ T7704] ipv6_find_idev+0x102/0x170 [16813.217729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16813.217729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16813.217729][ T7704] netlink_rcv_skb+0x130/0x360 [16813.217729][ T7704] netlink_unicast+0x449/0x710 [16813.217729][ T7704] netlink_sendmsg+0x723/0xbe0 [16813.217729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16813.217729][ T7704] ___sys_sendmsg+0xee/0x170 [16813.217729][ T7704] __sys_sendmsg+0xcd/0x170 [16813.217729][ T7704] do_syscall_64+0xc6/0x1e0 [16813.217729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16813.217729][ T7704] [16823.462883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16823.463379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16823.463379][ T7704] netdev_get_by_index+0x5e/0x80 [16823.463379][ T7704] fib6_nh_init+0x3d8/0x15b0 [16823.463379][ T7704] ip6_route_info_create+0xf18/0x17d0 [16823.463379][ T7704] ip6_route_add+0x1c/0x140 [16823.463379][ T7704] addrconf_prefix_route+0x2a6/0x430 [16823.463379][ T7704] inet6_addr_add+0x4f8/0xa40 [16823.463379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16823.463379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16823.463379][ T7704] netlink_rcv_skb+0x130/0x360 [16823.463379][ T7704] netlink_unicast+0x449/0x710 [16823.463379][ T7704] netlink_sendmsg+0x723/0xbe0 [16823.463379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16823.463379][ T7704] ___sys_sendmsg+0xee/0x170 [16823.463379][ T7704] __sys_sendmsg+0xcd/0x170 [16823.463379][ T7704] do_syscall_64+0xc6/0x1e0 [16823.463379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16823.463379][ T7704] [16823.466131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16823.466131][ T7704] netdev_get_by_index+0x5e/0x80 [16823.466131][ T7704] fib6_nh_init+0x3d8/0x15b0 [16823.466131][ T7704] ip6_route_info_create+0xf18/0x17d0 [16823.466131][ T7704] addrconf_f6i_alloc+0x315/0x560 [16823.466131][ T7704] ipv6_add_addr+0x411/0x2000 [16823.466131][ T7704] inet6_addr_add+0x30e/0xa40 [16823.466131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16823.466131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16823.466131][ T7704] netlink_rcv_skb+0x130/0x360 [16823.466131][ T7704] netlink_unicast+0x449/0x710 [16823.466131][ T7704] netlink_sendmsg+0x723/0xbe0 [16823.466131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16823.466131][ T7704] ___sys_sendmsg+0xee/0x170 [16823.466131][ T7704] __sys_sendmsg+0xcd/0x170 [16823.466131][ T7704] do_syscall_64+0xc6/0x1e0 [16823.466131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16823.466131][ T7704] [16823.468850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16823.468850][ T7704] netdev_get_by_index+0x5e/0x80 [16823.468850][ T7704] fib6_nh_init+0x3d8/0x15b0 [16823.468850][ T7704] ip6_route_info_create+0xf18/0x17d0 [16823.468850][ T7704] ip6_route_add+0x1c/0x140 [16823.468850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16823.468850][ T7704] addrconf_add_dev+0xe2/0x170 [16823.468850][ T7704] inet6_addr_add+0x12f/0xa40 [16823.468850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16823.468850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16823.468850][ T7704] netlink_rcv_skb+0x130/0x360 [16823.468850][ T7704] netlink_unicast+0x449/0x710 [16823.468850][ T7704] netlink_sendmsg+0x723/0xbe0 [16823.468850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16823.468850][ T7704] ___sys_sendmsg+0xee/0x170 [16823.468850][ T7704] __sys_sendmsg+0xcd/0x170 [16823.468850][ T7704] do_syscall_64+0xc6/0x1e0 [16823.468850][ T7704] [16823.471522][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16823.471522][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16823.471522][ T7704] ipv6_find_idev+0x102/0x170 [16823.471522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16823.471522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16823.471522][ T7704] netlink_rcv_skb+0x130/0x360 [16823.471522][ T7704] netlink_unicast+0x449/0x710 [16823.471522][ T7704] netlink_sendmsg+0x723/0xbe0 [16823.471522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16823.471522][ T7704] ___sys_sendmsg+0xee/0x170 [16823.471522][ T7704] __sys_sendmsg+0xcd/0x170 [16823.471522][ T7704] do_syscall_64+0xc6/0x1e0 [16823.471522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16823.471522][ T7704] [16823.473625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16823.473625][ T7704] neigh_parms_alloc+0x1e5/0x510 [16823.473625][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16823.473625][ T7704] ipv6_find_idev+0x102/0x170 [16823.473625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16823.473625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16823.473625][ T7704] netlink_rcv_skb+0x130/0x360 [16823.473625][ T7704] netlink_unicast+0x449/0x710 [16823.473625][ T7704] netlink_sendmsg+0x723/0xbe0 [16823.473625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16823.473625][ T7704] ___sys_sendmsg+0xee/0x170 [16823.473625][ T7704] __sys_sendmsg+0xcd/0x170 [16823.473625][ T7704] do_syscall_64+0xc6/0x1e0 [16823.473625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16823.473625][ T7704] [16833.486944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16833.487444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16833.487444][ T7704] netdev_get_by_index+0x5e/0x80 [16833.487444][ T7704] fib6_nh_init+0x3d8/0x15b0 [16833.487444][ T7704] ip6_route_info_create+0xf18/0x17d0 [16833.487444][ T7704] ip6_route_add+0x1c/0x140 [16833.487444][ T7704] addrconf_prefix_route+0x2a6/0x430 [16833.487444][ T7704] inet6_addr_add+0x4f8/0xa40 [16833.487444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16833.487444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16833.487444][ T7704] netlink_rcv_skb+0x130/0x360 [16833.487444][ T7704] netlink_unicast+0x449/0x710 [16833.487444][ T7704] netlink_sendmsg+0x723/0xbe0 [16833.487444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16833.487444][ T7704] ___sys_sendmsg+0xee/0x170 [16833.487444][ T7704] __sys_sendmsg+0xcd/0x170 [16833.487444][ T7704] do_syscall_64+0xc6/0x1e0 [16833.487444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16833.487444][ T7704] [16833.490180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16833.490180][ T7704] netdev_get_by_index+0x5e/0x80 [16833.490180][ T7704] fib6_nh_init+0x3d8/0x15b0 [16833.490180][ T7704] ip6_route_info_create+0xf18/0x17d0 [16833.490180][ T7704] addrconf_f6i_alloc+0x315/0x560 [16833.490180][ T7704] ipv6_add_addr+0x411/0x2000 [16833.490180][ T7704] inet6_addr_add+0x30e/0xa40 [16833.490180][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16833.490180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16833.490180][ T7704] netlink_rcv_skb+0x130/0x360 [16833.490180][ T7704] netlink_unicast+0x449/0x710 [16833.490180][ T7704] netlink_sendmsg+0x723/0xbe0 [16833.490180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16833.490180][ T7704] ___sys_sendmsg+0xee/0x170 [16833.490180][ T7704] __sys_sendmsg+0xcd/0x170 [16833.490180][ T7704] do_syscall_64+0xc6/0x1e0 [16833.490180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16833.490180][ T7704] [16833.492912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16833.492912][ T7704] netdev_get_by_index+0x5e/0x80 [16833.492912][ T7704] fib6_nh_init+0x3d8/0x15b0 [16833.492912][ T7704] ip6_route_info_create+0xf18/0x17d0 [16833.492912][ T7704] ip6_route_add+0x1c/0x140 [16833.492912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16833.492912][ T7704] addrconf_add_dev+0xe2/0x170 [16833.492912][ T7704] inet6_addr_add+0x12f/0xa40 [16833.492912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16833.492912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16833.492912][ T7704] netlink_rcv_skb+0x130/0x360 [16833.492912][ T7704] netlink_unicast+0x449/0x710 [16833.492912][ T7704] netlink_sendmsg+0x723/0xbe0 [16833.492912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16833.492912][ T7704] ___sys_sendmsg+0xee/0x170 [16833.492912][ T7704] __sys_sendmsg+0xcd/0x170 [16833.492912][ T7704] do_syscall_64+0xc6/0x1e0 [16833.492912][ T7704] [16833.495598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16833.495598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16833.495598][ T7704] ipv6_find_idev+0x102/0x170 [16833.495598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16833.495598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16833.495598][ T7704] netlink_rcv_skb+0x130/0x360 [16833.495598][ T7704] netlink_unicast+0x449/0x710 [16833.495598][ T7704] netlink_sendmsg+0x723/0xbe0 [16833.495598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16833.495598][ T7704] ___sys_sendmsg+0xee/0x170 [16833.495598][ T7704] __sys_sendmsg+0xcd/0x170 [16833.495598][ T7704] do_syscall_64+0xc6/0x1e0 [16833.495598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16833.495598][ T7704] [16833.497689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16833.497689][ T7704] neigh_parms_alloc+0x1e5/0x510 [16833.497689][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16833.497689][ T7704] ipv6_find_idev+0x102/0x170 [16833.497689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16833.497689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16833.497689][ T7704] netlink_rcv_skb+0x130/0x360 [16833.497689][ T7704] netlink_unicast+0x449/0x710 [16833.497689][ T7704] netlink_sendmsg+0x723/0xbe0 [16833.497689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16833.497689][ T7704] ___sys_sendmsg+0xee/0x170 [16833.497689][ T7704] __sys_sendmsg+0xcd/0x170 [16833.497689][ T7704] do_syscall_64+0xc6/0x1e0 [16833.497689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16833.497689][ T7704] [16843.598953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16843.599471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16843.599471][ T7704] netdev_get_by_index+0x5e/0x80 [16843.599471][ T7704] fib6_nh_init+0x3d8/0x15b0 [16843.599471][ T7704] ip6_route_info_create+0xf18/0x17d0 [16843.599471][ T7704] ip6_route_add+0x1c/0x140 [16843.599471][ T7704] addrconf_prefix_route+0x2a6/0x430 [16843.599471][ T7704] inet6_addr_add+0x4f8/0xa40 [16843.599471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16843.599471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16843.599471][ T7704] netlink_rcv_skb+0x130/0x360 [16843.599471][ T7704] netlink_unicast+0x449/0x710 [16843.599471][ T7704] netlink_sendmsg+0x723/0xbe0 [16843.599471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16843.599471][ T7704] ___sys_sendmsg+0xee/0x170 [16843.599471][ T7704] __sys_sendmsg+0xcd/0x170 [16843.599471][ T7704] do_syscall_64+0xc6/0x1e0 [16843.599471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16843.599471][ T7704] [16843.602259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16843.602259][ T7704] netdev_get_by_index+0x5e/0x80 [16843.602259][ T7704] fib6_nh_init+0x3d8/0x15b0 [16843.602259][ T7704] ip6_route_info_create+0xf18/0x17d0 [16843.602259][ T7704] addrconf_f6i_alloc+0x315/0x560 [16843.602259][ T7704] ipv6_add_addr+0x411/0x2000 [16843.602259][ T7704] inet6_addr_add+0x30e/0xa40 [16843.602259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16843.602259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16843.602259][ T7704] netlink_rcv_skb+0x130/0x360 [16843.602259][ T7704] netlink_unicast+0x449/0x710 [16843.602259][ T7704] netlink_sendmsg+0x723/0xbe0 [16843.602259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16843.602259][ T7704] ___sys_sendmsg+0xee/0x170 [16843.602259][ T7704] __sys_sendmsg+0xcd/0x170 [16843.602259][ T7704] do_syscall_64+0xc6/0x1e0 [16843.602259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16843.602259][ T7704] [16843.604972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16843.604972][ T7704] netdev_get_by_index+0x5e/0x80 [16843.604972][ T7704] fib6_nh_init+0x3d8/0x15b0 [16843.604972][ T7704] ip6_route_info_create+0xf18/0x17d0 [16843.604972][ T7704] ip6_route_add+0x1c/0x140 [16843.604972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16843.604972][ T7704] addrconf_add_dev+0xe2/0x170 [16843.604972][ T7704] inet6_addr_add+0x12f/0xa40 [16843.604972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16843.604972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16843.604972][ T7704] netlink_rcv_skb+0x130/0x360 [16843.604972][ T7704] netlink_unicast+0x449/0x710 [16843.604972][ T7704] netlink_sendmsg+0x723/0xbe0 [16843.604972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16843.604972][ T7704] ___sys_sendmsg+0xee/0x170 [16843.604972][ T7704] __sys_sendmsg+0xcd/0x170 [16843.604972][ T7704] do_syscall_64+0xc6/0x1e0 [16843.604972][ T7704] [16843.607645][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16843.607645][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16843.607645][ T7704] ipv6_find_idev+0x102/0x170 [16843.607645][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16843.607645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16843.607645][ T7704] netlink_rcv_skb+0x130/0x360 [16843.607645][ T7704] netlink_unicast+0x449/0x710 [16843.607645][ T7704] netlink_sendmsg+0x723/0xbe0 [16843.607645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16843.607645][ T7704] ___sys_sendmsg+0xee/0x170 [16843.607645][ T7704] __sys_sendmsg+0xcd/0x170 [16843.607645][ T7704] do_syscall_64+0xc6/0x1e0 [16843.607645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16843.607645][ T7704] [16843.609735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16843.609735][ T7704] neigh_parms_alloc+0x1e5/0x510 [16843.609735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16843.609735][ T7704] ipv6_find_idev+0x102/0x170 [16843.609735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16843.609735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16843.609735][ T7704] netlink_rcv_skb+0x130/0x360 [16843.609735][ T7704] netlink_unicast+0x449/0x710 [16843.609735][ T7704] netlink_sendmsg+0x723/0xbe0 [16843.609735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16843.609735][ T7704] ___sys_sendmsg+0xee/0x170 [16843.609735][ T7704] __sys_sendmsg+0xcd/0x170 [16843.609735][ T7704] do_syscall_64+0xc6/0x1e0 [16843.609735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16843.609735][ T7704] [16853.711015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16853.711582][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16853.711582][ T7704] netdev_get_by_index+0x5e/0x80 [16853.711582][ T7704] fib6_nh_init+0x3d8/0x15b0 [16853.711582][ T7704] ip6_route_info_create+0xf18/0x17d0 [16853.711582][ T7704] ip6_route_add+0x1c/0x140 [16853.711582][ T7704] addrconf_prefix_route+0x2a6/0x430 [16853.711582][ T7704] inet6_addr_add+0x4f8/0xa40 [16853.711582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16853.711582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16853.711582][ T7704] netlink_rcv_skb+0x130/0x360 [16853.711582][ T7704] netlink_unicast+0x449/0x710 [16853.711582][ T7704] netlink_sendmsg+0x723/0xbe0 [16853.711582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16853.711582][ T7704] ___sys_sendmsg+0xee/0x170 [16853.711582][ T7704] __sys_sendmsg+0xcd/0x170 [16853.711582][ T7704] do_syscall_64+0xc6/0x1e0 [16853.711582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16853.711582][ T7704] [16853.714688][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16853.714688][ T7704] netdev_get_by_index+0x5e/0x80 [16853.714688][ T7704] fib6_nh_init+0x3d8/0x15b0 [16853.714688][ T7704] ip6_route_info_create+0xf18/0x17d0 [16853.714688][ T7704] addrconf_f6i_alloc+0x315/0x560 [16853.714688][ T7704] ipv6_add_addr+0x411/0x2000 [16853.714688][ T7704] inet6_addr_add+0x30e/0xa40 [16853.714688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16853.714688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16853.714688][ T7704] netlink_rcv_skb+0x130/0x360 [16853.714688][ T7704] netlink_unicast+0x449/0x710 [16853.714688][ T7704] netlink_sendmsg+0x723/0xbe0 [16853.714688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16853.714688][ T7704] ___sys_sendmsg+0xee/0x170 [16853.714688][ T7704] __sys_sendmsg+0xcd/0x170 [16853.714688][ T7704] do_syscall_64+0xc6/0x1e0 [16853.714688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16853.714688][ T7704] [16853.717398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16853.717398][ T7704] netdev_get_by_index+0x5e/0x80 [16853.717398][ T7704] fib6_nh_init+0x3d8/0x15b0 [16853.717398][ T7704] ip6_route_info_create+0xf18/0x17d0 [16853.717398][ T7704] ip6_route_add+0x1c/0x140 [16853.717398][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16853.717398][ T7704] addrconf_add_dev+0xe2/0x170 [16853.717398][ T7704] inet6_addr_add+0x12f/0xa40 [16853.717398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16853.717398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16853.717398][ T7704] netlink_rcv_skb+0x130/0x360 [16853.717398][ T7704] netlink_unicast+0x449/0x710 [16853.717398][ T7704] netlink_sendmsg+0x723/0xbe0 [16853.717398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16853.717398][ T7704] ___sys_sendmsg+0xee/0x170 [16853.717398][ T7704] __sys_sendmsg+0xcd/0x170 [16853.717398][ T7704] do_syscall_64+0xc6/0x1e0 [16853.717398][ T7704] [16853.719921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16853.719921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16853.719921][ T7704] ipv6_find_idev+0x102/0x170 [16853.719921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16853.719921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16853.719921][ T7704] netlink_rcv_skb+0x130/0x360 [16853.719921][ T7704] netlink_unicast+0x449/0x710 [16853.719921][ T7704] netlink_sendmsg+0x723/0xbe0 [16853.719921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16853.719921][ T7704] ___sys_sendmsg+0xee/0x170 [16853.719921][ T7704] __sys_sendmsg+0xcd/0x170 [16853.719921][ T7704] do_syscall_64+0xc6/0x1e0 [16853.719921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16853.719921][ T7704] [16853.722030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16853.722030][ T7704] neigh_parms_alloc+0x1e5/0x510 [16853.722030][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16853.722030][ T7704] ipv6_find_idev+0x102/0x170 [16853.722030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16853.722030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16853.722030][ T7704] netlink_rcv_skb+0x130/0x360 [16853.722030][ T7704] netlink_unicast+0x449/0x710 [16853.722030][ T7704] netlink_sendmsg+0x723/0xbe0 [16853.722030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16853.722030][ T7704] ___sys_sendmsg+0xee/0x170 [16853.722030][ T7704] __sys_sendmsg+0xcd/0x170 [16853.722030][ T7704] do_syscall_64+0xc6/0x1e0 [16853.722030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16853.722030][ T7704] [16863.966999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16863.967505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16863.967505][ T7704] netdev_get_by_index+0x5e/0x80 [16863.967505][ T7704] fib6_nh_init+0x3d8/0x15b0 [16863.967505][ T7704] ip6_route_info_create+0xf18/0x17d0 [16863.967505][ T7704] ip6_route_add+0x1c/0x140 [16863.967505][ T7704] addrconf_prefix_route+0x2a6/0x430 [16863.967505][ T7704] inet6_addr_add+0x4f8/0xa40 [16863.967505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16863.967505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16863.967505][ T7704] netlink_rcv_skb+0x130/0x360 [16863.967505][ T7704] netlink_unicast+0x449/0x710 [16863.967505][ T7704] netlink_sendmsg+0x723/0xbe0 [16863.967505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16863.967505][ T7704] ___sys_sendmsg+0xee/0x170 [16863.967505][ T7704] __sys_sendmsg+0xcd/0x170 [16863.967505][ T7704] do_syscall_64+0xc6/0x1e0 [16863.967505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16863.967505][ T7704] [16863.969781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16863.969781][ T7704] netdev_get_by_index+0x5e/0x80 [16863.969781][ T7704] fib6_nh_init+0x3d8/0x15b0 [16863.969781][ T7704] ip6_route_info_create+0xf18/0x17d0 [16863.969781][ T7704] addrconf_f6i_alloc+0x315/0x560 [16863.969781][ T7704] ipv6_add_addr+0x411/0x2000 [16863.969781][ T7704] inet6_addr_add+0x30e/0xa40 [16863.969781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16863.969781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16863.969781][ T7704] netlink_rcv_skb+0x130/0x360 [16863.969781][ T7704] netlink_unicast+0x449/0x710 [16863.969781][ T7704] netlink_sendmsg+0x723/0xbe0 [16863.969781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16863.969781][ T7704] ___sys_sendmsg+0xee/0x170 [16863.969781][ T7704] __sys_sendmsg+0xcd/0x170 [16863.969781][ T7704] do_syscall_64+0xc6/0x1e0 [16863.969781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16863.969781][ T7704] [16863.972056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16863.972056][ T7704] netdev_get_by_index+0x5e/0x80 [16863.972056][ T7704] fib6_nh_init+0x3d8/0x15b0 [16863.972056][ T7704] ip6_route_info_create+0xf18/0x17d0 [16863.972056][ T7704] ip6_route_add+0x1c/0x140 [16863.972056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16863.972056][ T7704] addrconf_add_dev+0xe2/0x170 [16863.972056][ T7704] inet6_addr_add+0x12f/0xa40 [16863.972056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16863.972056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16863.972056][ T7704] netlink_rcv_skb+0x130/0x360 [16863.972056][ T7704] netlink_unicast+0x449/0x710 [16863.972056][ T7704] netlink_sendmsg+0x723/0xbe0 [16863.972056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16863.972056][ T7704] ___sys_sendmsg+0xee/0x170 [16863.972056][ T7704] __sys_sendmsg+0xcd/0x170 [16863.972056][ T7704] do_syscall_64+0xc6/0x1e0 [16863.972056][ T7704] [16863.974256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16863.974256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16863.974256][ T7704] ipv6_find_idev+0x102/0x170 [16863.974256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16863.974256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16863.974256][ T7704] netlink_rcv_skb+0x130/0x360 [16863.974256][ T7704] netlink_unicast+0x449/0x710 [16863.974256][ T7704] netlink_sendmsg+0x723/0xbe0 [16863.974256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16863.974256][ T7704] ___sys_sendmsg+0xee/0x170 [16863.974256][ T7704] __sys_sendmsg+0xcd/0x170 [16863.974256][ T7704] do_syscall_64+0xc6/0x1e0 [16863.974256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16863.974256][ T7704] [16863.975990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16863.975990][ T7704] neigh_parms_alloc+0x1e5/0x510 [16863.975990][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16863.975990][ T7704] ipv6_find_idev+0x102/0x170 [16863.975990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16863.975990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16863.975990][ T7704] netlink_rcv_skb+0x130/0x360 [16863.975990][ T7704] netlink_unicast+0x449/0x710 [16863.975990][ T7704] netlink_sendmsg+0x723/0xbe0 [16863.975990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16863.975990][ T7704] ___sys_sendmsg+0xee/0x170 [16863.975990][ T7704] __sys_sendmsg+0xcd/0x170 [16863.975990][ T7704] do_syscall_64+0xc6/0x1e0 [16863.975990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16863.975990][ T7704] [16874.214906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16874.215348][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16874.215348][ T7704] netdev_get_by_index+0x5e/0x80 [16874.215348][ T7704] fib6_nh_init+0x3d8/0x15b0 [16874.215348][ T7704] ip6_route_info_create+0xf18/0x17d0 [16874.215348][ T7704] ip6_route_add+0x1c/0x140 [16874.215348][ T7704] addrconf_prefix_route+0x2a6/0x430 [16874.215348][ T7704] inet6_addr_add+0x4f8/0xa40 [16874.215348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16874.215348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16874.215348][ T7704] netlink_rcv_skb+0x130/0x360 [16874.215348][ T7704] netlink_unicast+0x449/0x710 [16874.215348][ T7704] netlink_sendmsg+0x723/0xbe0 [16874.215348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16874.215348][ T7704] ___sys_sendmsg+0xee/0x170 [16874.215348][ T7704] __sys_sendmsg+0xcd/0x170 [16874.215348][ T7704] do_syscall_64+0xc6/0x1e0 [16874.215348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16874.215348][ T7704] [16874.217612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16874.217612][ T7704] netdev_get_by_index+0x5e/0x80 [16874.217612][ T7704] fib6_nh_init+0x3d8/0x15b0 [16874.217612][ T7704] ip6_route_info_create+0xf18/0x17d0 [16874.217612][ T7704] addrconf_f6i_alloc+0x315/0x560 [16874.217612][ T7704] ipv6_add_addr+0x411/0x2000 [16874.217612][ T7704] inet6_addr_add+0x30e/0xa40 [16874.217612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16874.217612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16874.217612][ T7704] netlink_rcv_skb+0x130/0x360 [16874.217612][ T7704] netlink_unicast+0x449/0x710 [16874.217612][ T7704] netlink_sendmsg+0x723/0xbe0 [16874.217612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16874.217612][ T7704] ___sys_sendmsg+0xee/0x170 [16874.217612][ T7704] __sys_sendmsg+0xcd/0x170 [16874.217612][ T7704] do_syscall_64+0xc6/0x1e0 [16874.217612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16874.217612][ T7704] [16874.219889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16874.219889][ T7704] netdev_get_by_index+0x5e/0x80 [16874.219889][ T7704] fib6_nh_init+0x3d8/0x15b0 [16874.219889][ T7704] ip6_route_info_create+0xf18/0x17d0 [16874.219889][ T7704] ip6_route_add+0x1c/0x140 [16874.219889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16874.219889][ T7704] addrconf_add_dev+0xe2/0x170 [16874.219889][ T7704] inet6_addr_add+0x12f/0xa40 [16874.219889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16874.219889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16874.219889][ T7704] netlink_rcv_skb+0x130/0x360 [16874.219889][ T7704] netlink_unicast+0x449/0x710 [16874.219889][ T7704] netlink_sendmsg+0x723/0xbe0 [16874.219889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16874.219889][ T7704] ___sys_sendmsg+0xee/0x170 [16874.219889][ T7704] __sys_sendmsg+0xcd/0x170 [16874.219889][ T7704] do_syscall_64+0xc6/0x1e0 [16874.219889][ T7704] [16874.222103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16874.222103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16874.222103][ T7704] ipv6_find_idev+0x102/0x170 [16874.222103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16874.222103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16874.222103][ T7704] netlink_rcv_skb+0x130/0x360 [16874.222103][ T7704] netlink_unicast+0x449/0x710 [16874.222103][ T7704] netlink_sendmsg+0x723/0xbe0 [16874.222103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16874.222103][ T7704] ___sys_sendmsg+0xee/0x170 [16874.222103][ T7704] __sys_sendmsg+0xcd/0x170 [16874.222103][ T7704] do_syscall_64+0xc6/0x1e0 [16874.222103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16874.222103][ T7704] [16874.223824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16874.223824][ T7704] neigh_parms_alloc+0x1e5/0x510 [16874.223824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16874.223824][ T7704] ipv6_find_idev+0x102/0x170 [16874.223824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16874.223824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16874.223824][ T7704] netlink_rcv_skb+0x130/0x360 [16874.223824][ T7704] netlink_unicast+0x449/0x710 [16874.223824][ T7704] netlink_sendmsg+0x723/0xbe0 [16874.223824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16874.223824][ T7704] ___sys_sendmsg+0xee/0x170 [16874.223824][ T7704] __sys_sendmsg+0xcd/0x170 [16874.223824][ T7704] do_syscall_64+0xc6/0x1e0 [16874.223824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16874.223824][ T7704] [16884.463037][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16884.463466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16884.463466][ T7704] netdev_get_by_index+0x5e/0x80 [16884.463466][ T7704] fib6_nh_init+0x3d8/0x15b0 [16884.463466][ T7704] ip6_route_info_create+0xf18/0x17d0 [16884.463466][ T7704] ip6_route_add+0x1c/0x140 [16884.463466][ T7704] addrconf_prefix_route+0x2a6/0x430 [16884.463466][ T7704] inet6_addr_add+0x4f8/0xa40 [16884.463466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16884.463466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16884.463466][ T7704] netlink_rcv_skb+0x130/0x360 [16884.463466][ T7704] netlink_unicast+0x449/0x710 [16884.463466][ T7704] netlink_sendmsg+0x723/0xbe0 [16884.463466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16884.463466][ T7704] ___sys_sendmsg+0xee/0x170 [16884.463466][ T7704] __sys_sendmsg+0xcd/0x170 [16884.463466][ T7704] do_syscall_64+0xc6/0x1e0 [16884.463466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16884.463466][ T7704] [16884.465706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16884.465706][ T7704] netdev_get_by_index+0x5e/0x80 [16884.465706][ T7704] fib6_nh_init+0x3d8/0x15b0 [16884.465706][ T7704] ip6_route_info_create+0xf18/0x17d0 [16884.465706][ T7704] addrconf_f6i_alloc+0x315/0x560 [16884.465706][ T7704] ipv6_add_addr+0x411/0x2000 [16884.465706][ T7704] inet6_addr_add+0x30e/0xa40 [16884.465706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16884.465706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16884.465706][ T7704] netlink_rcv_skb+0x130/0x360 [16884.465706][ T7704] netlink_unicast+0x449/0x710 [16884.465706][ T7704] netlink_sendmsg+0x723/0xbe0 [16884.465706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16884.465706][ T7704] ___sys_sendmsg+0xee/0x170 [16884.465706][ T7704] __sys_sendmsg+0xcd/0x170 [16884.465706][ T7704] do_syscall_64+0xc6/0x1e0 [16884.465706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16884.465706][ T7704] [16884.467916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16884.467916][ T7704] netdev_get_by_index+0x5e/0x80 [16884.467916][ T7704] fib6_nh_init+0x3d8/0x15b0 [16884.467916][ T7704] ip6_route_info_create+0xf18/0x17d0 [16884.467916][ T7704] ip6_route_add+0x1c/0x140 [16884.467916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16884.467916][ T7704] addrconf_add_dev+0xe2/0x170 [16884.467916][ T7704] inet6_addr_add+0x12f/0xa40 [16884.467916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16884.467916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16884.467916][ T7704] netlink_rcv_skb+0x130/0x360 [16884.467916][ T7704] netlink_unicast+0x449/0x710 [16884.467916][ T7704] netlink_sendmsg+0x723/0xbe0 [16884.467916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16884.467916][ T7704] ___sys_sendmsg+0xee/0x170 [16884.467916][ T7704] __sys_sendmsg+0xcd/0x170 [16884.467916][ T7704] do_syscall_64+0xc6/0x1e0 [16884.467916][ T7704] [16884.470095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16884.470095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16884.470095][ T7704] ipv6_find_idev+0x102/0x170 [16884.470095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16884.470095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16884.470095][ T7704] netlink_rcv_skb+0x130/0x360 [16884.470095][ T7704] netlink_unicast+0x449/0x710 [16884.470095][ T7704] netlink_sendmsg+0x723/0xbe0 [16884.470095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16884.470095][ T7704] ___sys_sendmsg+0xee/0x170 [16884.470095][ T7704] __sys_sendmsg+0xcd/0x170 [16884.470095][ T7704] do_syscall_64+0xc6/0x1e0 [16884.470095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16884.470095][ T7704] [16884.471800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16884.471800][ T7704] neigh_parms_alloc+0x1e5/0x510 [16884.471800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16884.471800][ T7704] ipv6_find_idev+0x102/0x170 [16884.471800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16884.471800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16884.471800][ T7704] netlink_rcv_skb+0x130/0x360 [16884.471800][ T7704] netlink_unicast+0x449/0x710 [16884.471800][ T7704] netlink_sendmsg+0x723/0xbe0 [16884.471800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16884.471800][ T7704] ___sys_sendmsg+0xee/0x170 [16884.471800][ T7704] __sys_sendmsg+0xcd/0x170 [16884.471800][ T7704] do_syscall_64+0xc6/0x1e0 [16884.471800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16884.471800][ T7704] [16894.710969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16894.711424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16894.711424][ T7704] netdev_get_by_index+0x5e/0x80 [16894.711424][ T7704] fib6_nh_init+0x3d8/0x15b0 [16894.711424][ T7704] ip6_route_info_create+0xf18/0x17d0 [16894.711424][ T7704] ip6_route_add+0x1c/0x140 [16894.711424][ T7704] addrconf_prefix_route+0x2a6/0x430 [16894.711424][ T7704] inet6_addr_add+0x4f8/0xa40 [16894.711424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16894.711424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16894.711424][ T7704] netlink_rcv_skb+0x130/0x360 [16894.711424][ T7704] netlink_unicast+0x449/0x710 [16894.711424][ T7704] netlink_sendmsg+0x723/0xbe0 [16894.711424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16894.711424][ T7704] ___sys_sendmsg+0xee/0x170 [16894.711424][ T7704] __sys_sendmsg+0xcd/0x170 [16894.711424][ T7704] do_syscall_64+0xc6/0x1e0 [16894.711424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16894.711424][ T7704] [16894.713714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16894.713714][ T7704] netdev_get_by_index+0x5e/0x80 [16894.713714][ T7704] fib6_nh_init+0x3d8/0x15b0 [16894.713714][ T7704] ip6_route_info_create+0xf18/0x17d0 [16894.713714][ T7704] addrconf_f6i_alloc+0x315/0x560 [16894.713714][ T7704] ipv6_add_addr+0x411/0x2000 [16894.713714][ T7704] inet6_addr_add+0x30e/0xa40 [16894.713714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16894.713714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16894.713714][ T7704] netlink_rcv_skb+0x130/0x360 [16894.713714][ T7704] netlink_unicast+0x449/0x710 [16894.713714][ T7704] netlink_sendmsg+0x723/0xbe0 [16894.713714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16894.713714][ T7704] ___sys_sendmsg+0xee/0x170 [16894.713714][ T7704] __sys_sendmsg+0xcd/0x170 [16894.713714][ T7704] do_syscall_64+0xc6/0x1e0 [16894.713714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16894.713714][ T7704] [16894.715965][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16894.715965][ T7704] netdev_get_by_index+0x5e/0x80 [16894.715965][ T7704] fib6_nh_init+0x3d8/0x15b0 [16894.715965][ T7704] ip6_route_info_create+0xf18/0x17d0 [16894.715965][ T7704] ip6_route_add+0x1c/0x140 [16894.715965][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16894.715965][ T7704] addrconf_add_dev+0xe2/0x170 [16894.715965][ T7704] inet6_addr_add+0x12f/0xa40 [16894.715965][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16894.715965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16894.715965][ T7704] netlink_rcv_skb+0x130/0x360 [16894.715965][ T7704] netlink_unicast+0x449/0x710 [16894.715965][ T7704] netlink_sendmsg+0x723/0xbe0 [16894.715965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16894.715965][ T7704] ___sys_sendmsg+0xee/0x170 [16894.715965][ T7704] __sys_sendmsg+0xcd/0x170 [16894.715965][ T7704] do_syscall_64+0xc6/0x1e0 [16894.715965][ T7704] [16894.718173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16894.718173][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16894.718173][ T7704] ipv6_find_idev+0x102/0x170 [16894.718173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16894.718173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16894.718173][ T7704] netlink_rcv_skb+0x130/0x360 [16894.718173][ T7704] netlink_unicast+0x449/0x710 [16894.718173][ T7704] netlink_sendmsg+0x723/0xbe0 [16894.718173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16894.718173][ T7704] ___sys_sendmsg+0xee/0x170 [16894.718173][ T7704] __sys_sendmsg+0xcd/0x170 [16894.718173][ T7704] do_syscall_64+0xc6/0x1e0 [16894.718173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16894.718173][ T7704] [16894.719903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16894.719903][ T7704] neigh_parms_alloc+0x1e5/0x510 [16894.719903][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16894.719903][ T7704] ipv6_find_idev+0x102/0x170 [16894.719903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16894.719903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16894.719903][ T7704] netlink_rcv_skb+0x130/0x360 [16894.719903][ T7704] netlink_unicast+0x449/0x710 [16894.719903][ T7704] netlink_sendmsg+0x723/0xbe0 [16894.719903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16894.719903][ T7704] ___sys_sendmsg+0xee/0x170 [16894.719903][ T7704] __sys_sendmsg+0xcd/0x170 [16894.719903][ T7704] do_syscall_64+0xc6/0x1e0 [16894.719903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16894.719903][ T7704] [16904.958966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16904.959620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16904.959620][ T7704] netdev_get_by_index+0x5e/0x80 [16904.959620][ T7704] fib6_nh_init+0x3d8/0x15b0 [16904.959620][ T7704] ip6_route_info_create+0xf18/0x17d0 [16904.959620][ T7704] ip6_route_add+0x1c/0x140 [16904.959620][ T7704] addrconf_prefix_route+0x2a6/0x430 [16904.959620][ T7704] inet6_addr_add+0x4f8/0xa40 [16904.959620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16904.959620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16904.959620][ T7704] netlink_rcv_skb+0x130/0x360 [16904.959620][ T7704] netlink_unicast+0x449/0x710 [16904.959620][ T7704] netlink_sendmsg+0x723/0xbe0 [16904.959620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16904.959620][ T7704] ___sys_sendmsg+0xee/0x170 [16904.959620][ T7704] __sys_sendmsg+0xcd/0x170 [16904.959620][ T7704] do_syscall_64+0xc6/0x1e0 [16904.959620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16904.959620][ T7704] [16904.961934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16904.961934][ T7704] netdev_get_by_index+0x5e/0x80 [16904.961934][ T7704] fib6_nh_init+0x3d8/0x15b0 [16904.961934][ T7704] ip6_route_info_create+0xf18/0x17d0 [16904.961934][ T7704] addrconf_f6i_alloc+0x315/0x560 [16904.961934][ T7704] ipv6_add_addr+0x411/0x2000 [16904.961934][ T7704] inet6_addr_add+0x30e/0xa40 [16904.961934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16904.961934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16904.961934][ T7704] netlink_rcv_skb+0x130/0x360 [16904.961934][ T7704] netlink_unicast+0x449/0x710 [16904.961934][ T7704] netlink_sendmsg+0x723/0xbe0 [16904.961934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16904.961934][ T7704] ___sys_sendmsg+0xee/0x170 [16904.961934][ T7704] __sys_sendmsg+0xcd/0x170 [16904.961934][ T7704] do_syscall_64+0xc6/0x1e0 [16904.961934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16904.961934][ T7704] [16904.964205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16904.964205][ T7704] netdev_get_by_index+0x5e/0x80 [16904.964205][ T7704] fib6_nh_init+0x3d8/0x15b0 [16904.964205][ T7704] ip6_route_info_create+0xf18/0x17d0 [16904.964205][ T7704] ip6_route_add+0x1c/0x140 [16904.964205][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16904.964205][ T7704] addrconf_add_dev+0xe2/0x170 [16904.964205][ T7704] inet6_addr_add+0x12f/0xa40 [16904.964205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16904.964205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16904.964205][ T7704] netlink_rcv_skb+0x130/0x360 [16904.964205][ T7704] netlink_unicast+0x449/0x710 [16904.964205][ T7704] netlink_sendmsg+0x723/0xbe0 [16904.964205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16904.964205][ T7704] ___sys_sendmsg+0xee/0x170 [16904.964205][ T7704] __sys_sendmsg+0xcd/0x170 [16904.964205][ T7704] do_syscall_64+0xc6/0x1e0 [16904.964205][ T7704] [16904.966432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16904.966432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16904.966432][ T7704] ipv6_find_idev+0x102/0x170 [16904.966432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16904.966432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16904.966432][ T7704] netlink_rcv_skb+0x130/0x360 [16904.966432][ T7704] netlink_unicast+0x449/0x710 [16904.966432][ T7704] netlink_sendmsg+0x723/0xbe0 [16904.966432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16904.966432][ T7704] ___sys_sendmsg+0xee/0x170 [16904.966432][ T7704] __sys_sendmsg+0xcd/0x170 [16904.966432][ T7704] do_syscall_64+0xc6/0x1e0 [16904.966432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16904.966432][ T7704] [16904.968191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16904.968191][ T7704] neigh_parms_alloc+0x1e5/0x510 [16904.968191][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16904.968191][ T7704] ipv6_find_idev+0x102/0x170 [16904.968191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16904.968191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16904.968191][ T7704] netlink_rcv_skb+0x130/0x360 [16904.968191][ T7704] netlink_unicast+0x449/0x710 [16904.968191][ T7704] netlink_sendmsg+0x723/0xbe0 [16904.968191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16904.968191][ T7704] ___sys_sendmsg+0xee/0x170 [16904.968191][ T7704] __sys_sendmsg+0xcd/0x170 [16904.968191][ T7704] do_syscall_64+0xc6/0x1e0 [16904.968191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16904.968191][ T7704] [16915.094987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16915.095435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16915.095435][ T7704] netdev_get_by_index+0x5e/0x80 [16915.095435][ T7704] fib6_nh_init+0x3d8/0x15b0 [16915.095435][ T7704] ip6_route_info_create+0xf18/0x17d0 [16915.095435][ T7704] ip6_route_add+0x1c/0x140 [16915.095435][ T7704] addrconf_prefix_route+0x2a6/0x430 [16915.095435][ T7704] inet6_addr_add+0x4f8/0xa40 [16915.095435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16915.095435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16915.095435][ T7704] netlink_rcv_skb+0x130/0x360 [16915.095435][ T7704] netlink_unicast+0x449/0x710 [16915.095435][ T7704] netlink_sendmsg+0x723/0xbe0 [16915.095435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16915.095435][ T7704] ___sys_sendmsg+0xee/0x170 [16915.095435][ T7704] __sys_sendmsg+0xcd/0x170 [16915.095435][ T7704] do_syscall_64+0xc6/0x1e0 [16915.095435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16915.095435][ T7704] [16915.097725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16915.097725][ T7704] netdev_get_by_index+0x5e/0x80 [16915.097725][ T7704] fib6_nh_init+0x3d8/0x15b0 [16915.097725][ T7704] ip6_route_info_create+0xf18/0x17d0 [16915.097725][ T7704] addrconf_f6i_alloc+0x315/0x560 [16915.097725][ T7704] ipv6_add_addr+0x411/0x2000 [16915.097725][ T7704] inet6_addr_add+0x30e/0xa40 [16915.097725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16915.097725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16915.097725][ T7704] netlink_rcv_skb+0x130/0x360 [16915.097725][ T7704] netlink_unicast+0x449/0x710 [16915.097725][ T7704] netlink_sendmsg+0x723/0xbe0 [16915.097725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16915.097725][ T7704] ___sys_sendmsg+0xee/0x170 [16915.097725][ T7704] __sys_sendmsg+0xcd/0x170 [16915.097725][ T7704] do_syscall_64+0xc6/0x1e0 [16915.097725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16915.097725][ T7704] [16915.099993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16915.099993][ T7704] netdev_get_by_index+0x5e/0x80 [16915.099993][ T7704] fib6_nh_init+0x3d8/0x15b0 [16915.099993][ T7704] ip6_route_info_create+0xf18/0x17d0 [16915.099993][ T7704] ip6_route_add+0x1c/0x140 [16915.099993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16915.099993][ T7704] addrconf_add_dev+0xe2/0x170 [16915.099993][ T7704] inet6_addr_add+0x12f/0xa40 [16915.099993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16915.099993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16915.099993][ T7704] netlink_rcv_skb+0x130/0x360 [16915.099993][ T7704] netlink_unicast+0x449/0x710 [16915.099993][ T7704] netlink_sendmsg+0x723/0xbe0 [16915.099993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16915.099993][ T7704] ___sys_sendmsg+0xee/0x170 [16915.099993][ T7704] __sys_sendmsg+0xcd/0x170 [16915.099993][ T7704] do_syscall_64+0xc6/0x1e0 [16915.099993][ T7704] [16915.102239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16915.102239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16915.102239][ T7704] ipv6_find_idev+0x102/0x170 [16915.102239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16915.102239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16915.102239][ T7704] netlink_rcv_skb+0x130/0x360 [16915.102239][ T7704] netlink_unicast+0x449/0x710 [16915.102239][ T7704] netlink_sendmsg+0x723/0xbe0 [16915.102239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16915.102239][ T7704] ___sys_sendmsg+0xee/0x170 [16915.102239][ T7704] __sys_sendmsg+0xcd/0x170 [16915.102239][ T7704] do_syscall_64+0xc6/0x1e0 [16915.102239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16915.102239][ T7704] [16915.103996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16915.103996][ T7704] neigh_parms_alloc+0x1e5/0x510 [16915.103996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16915.103996][ T7704] ipv6_find_idev+0x102/0x170 [16915.103996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16915.103996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16915.103996][ T7704] netlink_rcv_skb+0x130/0x360 [16915.103996][ T7704] netlink_unicast+0x449/0x710 [16915.103996][ T7704] netlink_sendmsg+0x723/0xbe0 [16915.103996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16915.103996][ T7704] ___sys_sendmsg+0xee/0x170 [16915.103996][ T7704] __sys_sendmsg+0xcd/0x170 [16915.103996][ T7704] do_syscall_64+0xc6/0x1e0 [16915.103996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16915.103996][ T7704] [16925.350981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16925.351435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16925.351435][ T7704] netdev_get_by_index+0x5e/0x80 [16925.351435][ T7704] fib6_nh_init+0x3d8/0x15b0 [16925.351435][ T7704] ip6_route_info_create+0xf18/0x17d0 [16925.351435][ T7704] ip6_route_add+0x1c/0x140 [16925.351435][ T7704] addrconf_prefix_route+0x2a6/0x430 [16925.351435][ T7704] inet6_addr_add+0x4f8/0xa40 [16925.351435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16925.351435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16925.351435][ T7704] netlink_rcv_skb+0x130/0x360 [16925.351435][ T7704] netlink_unicast+0x449/0x710 [16925.351435][ T7704] netlink_sendmsg+0x723/0xbe0 [16925.351435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16925.351435][ T7704] ___sys_sendmsg+0xee/0x170 [16925.351435][ T7704] __sys_sendmsg+0xcd/0x170 [16925.351435][ T7704] do_syscall_64+0xc6/0x1e0 [16925.351435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16925.351435][ T7704] [16925.353742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16925.353742][ T7704] netdev_get_by_index+0x5e/0x80 [16925.353742][ T7704] fib6_nh_init+0x3d8/0x15b0 [16925.353742][ T7704] ip6_route_info_create+0xf18/0x17d0 [16925.353742][ T7704] addrconf_f6i_alloc+0x315/0x560 [16925.353742][ T7704] ipv6_add_addr+0x411/0x2000 [16925.353742][ T7704] inet6_addr_add+0x30e/0xa40 [16925.353742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16925.353742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16925.353742][ T7704] netlink_rcv_skb+0x130/0x360 [16925.353742][ T7704] netlink_unicast+0x449/0x710 [16925.353742][ T7704] netlink_sendmsg+0x723/0xbe0 [16925.353742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16925.353742][ T7704] ___sys_sendmsg+0xee/0x170 [16925.353742][ T7704] __sys_sendmsg+0xcd/0x170 [16925.353742][ T7704] do_syscall_64+0xc6/0x1e0 [16925.353742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16925.353742][ T7704] [16925.356019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16925.356019][ T7704] netdev_get_by_index+0x5e/0x80 [16925.356019][ T7704] fib6_nh_init+0x3d8/0x15b0 [16925.356019][ T7704] ip6_route_info_create+0xf18/0x17d0 [16925.356019][ T7704] ip6_route_add+0x1c/0x140 [16925.356019][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16925.356019][ T7704] addrconf_add_dev+0xe2/0x170 [16925.356019][ T7704] inet6_addr_add+0x12f/0xa40 [16925.356019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16925.356019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16925.356019][ T7704] netlink_rcv_skb+0x130/0x360 [16925.356019][ T7704] netlink_unicast+0x449/0x710 [16925.356019][ T7704] netlink_sendmsg+0x723/0xbe0 [16925.356019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16925.356019][ T7704] ___sys_sendmsg+0xee/0x170 [16925.356019][ T7704] __sys_sendmsg+0xcd/0x170 [16925.356019][ T7704] do_syscall_64+0xc6/0x1e0 [16925.356019][ T7704] [16925.358256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16925.358256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16925.358256][ T7704] ipv6_find_idev+0x102/0x170 [16925.358256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16925.358256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16925.358256][ T7704] netlink_rcv_skb+0x130/0x360 [16925.358256][ T7704] netlink_unicast+0x449/0x710 [16925.358256][ T7704] netlink_sendmsg+0x723/0xbe0 [16925.358256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16925.358256][ T7704] ___sys_sendmsg+0xee/0x170 [16925.358256][ T7704] __sys_sendmsg+0xcd/0x170 [16925.358256][ T7704] do_syscall_64+0xc6/0x1e0 [16925.358256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16925.358256][ T7704] [16925.360008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16925.360008][ T7704] neigh_parms_alloc+0x1e5/0x510 [16925.360008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16925.360008][ T7704] ipv6_find_idev+0x102/0x170 [16925.360008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16925.360008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16925.360008][ T7704] netlink_rcv_skb+0x130/0x360 [16925.360008][ T7704] netlink_unicast+0x449/0x710 [16925.360008][ T7704] netlink_sendmsg+0x723/0xbe0 [16925.360008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16925.360008][ T7704] ___sys_sendmsg+0xee/0x170 [16925.360008][ T7704] __sys_sendmsg+0xcd/0x170 [16925.360008][ T7704] do_syscall_64+0xc6/0x1e0 [16925.360008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16925.360008][ T7704] [16935.606947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16935.607398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16935.607398][ T7704] netdev_get_by_index+0x5e/0x80 [16935.607398][ T7704] fib6_nh_init+0x3d8/0x15b0 [16935.607398][ T7704] ip6_route_info_create+0xf18/0x17d0 [16935.607398][ T7704] ip6_route_add+0x1c/0x140 [16935.607398][ T7704] addrconf_prefix_route+0x2a6/0x430 [16935.607398][ T7704] inet6_addr_add+0x4f8/0xa40 [16935.607398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16935.607398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16935.607398][ T7704] netlink_rcv_skb+0x130/0x360 [16935.607398][ T7704] netlink_unicast+0x449/0x710 [16935.607398][ T7704] netlink_sendmsg+0x723/0xbe0 [16935.607398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16935.607398][ T7704] ___sys_sendmsg+0xee/0x170 [16935.607398][ T7704] __sys_sendmsg+0xcd/0x170 [16935.607398][ T7704] do_syscall_64+0xc6/0x1e0 [16935.607398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16935.607398][ T7704] [16935.609689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16935.609689][ T7704] netdev_get_by_index+0x5e/0x80 [16935.609689][ T7704] fib6_nh_init+0x3d8/0x15b0 [16935.609689][ T7704] ip6_route_info_create+0xf18/0x17d0 [16935.609689][ T7704] addrconf_f6i_alloc+0x315/0x560 [16935.609689][ T7704] ipv6_add_addr+0x411/0x2000 [16935.609689][ T7704] inet6_addr_add+0x30e/0xa40 [16935.609689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16935.609689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16935.609689][ T7704] netlink_rcv_skb+0x130/0x360 [16935.609689][ T7704] netlink_unicast+0x449/0x710 [16935.609689][ T7704] netlink_sendmsg+0x723/0xbe0 [16935.609689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16935.609689][ T7704] ___sys_sendmsg+0xee/0x170 [16935.609689][ T7704] __sys_sendmsg+0xcd/0x170 [16935.609689][ T7704] do_syscall_64+0xc6/0x1e0 [16935.609689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16935.609689][ T7704] [16935.611979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16935.611979][ T7704] netdev_get_by_index+0x5e/0x80 [16935.611979][ T7704] fib6_nh_init+0x3d8/0x15b0 [16935.611979][ T7704] ip6_route_info_create+0xf18/0x17d0 [16935.611979][ T7704] ip6_route_add+0x1c/0x140 [16935.611979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16935.611979][ T7704] addrconf_add_dev+0xe2/0x170 [16935.611979][ T7704] inet6_addr_add+0x12f/0xa40 [16935.611979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16935.611979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16935.611979][ T7704] netlink_rcv_skb+0x130/0x360 [16935.611979][ T7704] netlink_unicast+0x449/0x710 [16935.611979][ T7704] netlink_sendmsg+0x723/0xbe0 [16935.611979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16935.611979][ T7704] ___sys_sendmsg+0xee/0x170 [16935.611979][ T7704] __sys_sendmsg+0xcd/0x170 [16935.611979][ T7704] do_syscall_64+0xc6/0x1e0 [16935.611979][ T7704] [16935.614257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16935.614257][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16935.614257][ T7704] ipv6_find_idev+0x102/0x170 [16935.614257][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16935.614257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16935.614257][ T7704] netlink_rcv_skb+0x130/0x360 [16935.614257][ T7704] netlink_unicast+0x449/0x710 [16935.614257][ T7704] netlink_sendmsg+0x723/0xbe0 [16935.614257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16935.614257][ T7704] ___sys_sendmsg+0xee/0x170 [16935.614257][ T7704] __sys_sendmsg+0xcd/0x170 [16935.614257][ T7704] do_syscall_64+0xc6/0x1e0 [16935.614257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16935.614257][ T7704] [16935.616004][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16935.616004][ T7704] neigh_parms_alloc+0x1e5/0x510 [16935.616004][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16935.616004][ T7704] ipv6_find_idev+0x102/0x170 [16935.616004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16935.616004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16935.616004][ T7704] netlink_rcv_skb+0x130/0x360 [16935.616004][ T7704] netlink_unicast+0x449/0x710 [16935.616004][ T7704] netlink_sendmsg+0x723/0xbe0 [16935.616004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16935.616004][ T7704] ___sys_sendmsg+0xee/0x170 [16935.616004][ T7704] __sys_sendmsg+0xcd/0x170 [16935.616004][ T7704] do_syscall_64+0xc6/0x1e0 [16935.616004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16935.616004][ T7704] [16945.862903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16945.863398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16945.863398][ T7704] netdev_get_by_index+0x5e/0x80 [16945.863398][ T7704] fib6_nh_init+0x3d8/0x15b0 [16945.863398][ T7704] ip6_route_info_create+0xf18/0x17d0 [16945.863398][ T7704] ip6_route_add+0x1c/0x140 [16945.863398][ T7704] addrconf_prefix_route+0x2a6/0x430 [16945.863398][ T7704] inet6_addr_add+0x4f8/0xa40 [16945.863398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16945.863398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16945.863398][ T7704] netlink_rcv_skb+0x130/0x360 [16945.863398][ T7704] netlink_unicast+0x449/0x710 [16945.863398][ T7704] netlink_sendmsg+0x723/0xbe0 [16945.863398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16945.863398][ T7704] ___sys_sendmsg+0xee/0x170 [16945.863398][ T7704] __sys_sendmsg+0xcd/0x170 [16945.863398][ T7704] do_syscall_64+0xc6/0x1e0 [16945.863398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16945.863398][ T7704] [16945.865922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16945.865922][ T7704] netdev_get_by_index+0x5e/0x80 [16945.865922][ T7704] fib6_nh_init+0x3d8/0x15b0 [16945.865922][ T7704] ip6_route_info_create+0xf18/0x17d0 [16945.865922][ T7704] addrconf_f6i_alloc+0x315/0x560 [16945.865922][ T7704] ipv6_add_addr+0x411/0x2000 [16945.865922][ T7704] inet6_addr_add+0x30e/0xa40 [16945.865922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16945.865922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16945.865922][ T7704] netlink_rcv_skb+0x130/0x360 [16945.865922][ T7704] netlink_unicast+0x449/0x710 [16945.865922][ T7704] netlink_sendmsg+0x723/0xbe0 [16945.865922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16945.865922][ T7704] ___sys_sendmsg+0xee/0x170 [16945.865922][ T7704] __sys_sendmsg+0xcd/0x170 [16945.865922][ T7704] do_syscall_64+0xc6/0x1e0 [16945.865922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16945.865922][ T7704] [16945.868371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16945.868371][ T7704] netdev_get_by_index+0x5e/0x80 [16945.868371][ T7704] fib6_nh_init+0x3d8/0x15b0 [16945.868371][ T7704] ip6_route_info_create+0xf18/0x17d0 [16945.868371][ T7704] ip6_route_add+0x1c/0x140 [16945.868371][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16945.868371][ T7704] addrconf_add_dev+0xe2/0x170 [16945.868371][ T7704] inet6_addr_add+0x12f/0xa40 [16945.868371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16945.868371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16945.868371][ T7704] netlink_rcv_skb+0x130/0x360 [16945.868371][ T7704] netlink_unicast+0x449/0x710 [16945.868371][ T7704] netlink_sendmsg+0x723/0xbe0 [16945.868371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16945.868371][ T7704] ___sys_sendmsg+0xee/0x170 [16945.868371][ T7704] __sys_sendmsg+0xcd/0x170 [16945.868371][ T7704] do_syscall_64+0xc6/0x1e0 [16945.868371][ T7704] [16945.870857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16945.870857][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16945.870857][ T7704] ipv6_find_idev+0x102/0x170 [16945.870857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16945.870857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16945.870857][ T7704] netlink_rcv_skb+0x130/0x360 [16945.870857][ T7704] netlink_unicast+0x449/0x710 [16945.870857][ T7704] netlink_sendmsg+0x723/0xbe0 [16945.870857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16945.870857][ T7704] ___sys_sendmsg+0xee/0x170 [16945.870857][ T7704] __sys_sendmsg+0xcd/0x170 [16945.870857][ T7704] do_syscall_64+0xc6/0x1e0 [16945.870857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16945.870857][ T7704] [16945.872795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16945.872795][ T7704] neigh_parms_alloc+0x1e5/0x510 [16945.872795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16945.872795][ T7704] ipv6_find_idev+0x102/0x170 [16945.872795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16945.872795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16945.872795][ T7704] netlink_rcv_skb+0x130/0x360 [16945.872795][ T7704] netlink_unicast+0x449/0x710 [16945.872795][ T7704] netlink_sendmsg+0x723/0xbe0 [16945.872795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16945.872795][ T7704] ___sys_sendmsg+0xee/0x170 [16945.872795][ T7704] __sys_sendmsg+0xcd/0x170 [16945.872795][ T7704] do_syscall_64+0xc6/0x1e0 [16945.872795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16945.872795][ T7704] [16956.118983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16956.119478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16956.119478][ T7704] netdev_get_by_index+0x5e/0x80 [16956.119478][ T7704] fib6_nh_init+0x3d8/0x15b0 [16956.119478][ T7704] ip6_route_info_create+0xf18/0x17d0 [16956.119478][ T7704] ip6_route_add+0x1c/0x140 [16956.119478][ T7704] addrconf_prefix_route+0x2a6/0x430 [16956.119478][ T7704] inet6_addr_add+0x4f8/0xa40 [16956.119478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16956.119478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16956.119478][ T7704] netlink_rcv_skb+0x130/0x360 [16956.119478][ T7704] netlink_unicast+0x449/0x710 [16956.119478][ T7704] netlink_sendmsg+0x723/0xbe0 [16956.119478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16956.119478][ T7704] ___sys_sendmsg+0xee/0x170 [16956.119478][ T7704] __sys_sendmsg+0xcd/0x170 [16956.119478][ T7704] do_syscall_64+0xc6/0x1e0 [16956.119478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16956.119478][ T7704] [16956.121768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16956.121768][ T7704] netdev_get_by_index+0x5e/0x80 [16956.121768][ T7704] fib6_nh_init+0x3d8/0x15b0 [16956.121768][ T7704] ip6_route_info_create+0xf18/0x17d0 [16956.121768][ T7704] addrconf_f6i_alloc+0x315/0x560 [16956.121768][ T7704] ipv6_add_addr+0x411/0x2000 [16956.121768][ T7704] inet6_addr_add+0x30e/0xa40 [16956.121768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16956.121768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16956.121768][ T7704] netlink_rcv_skb+0x130/0x360 [16956.121768][ T7704] netlink_unicast+0x449/0x710 [16956.121768][ T7704] netlink_sendmsg+0x723/0xbe0 [16956.121768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16956.121768][ T7704] ___sys_sendmsg+0xee/0x170 [16956.121768][ T7704] __sys_sendmsg+0xcd/0x170 [16956.121768][ T7704] do_syscall_64+0xc6/0x1e0 [16956.121768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16956.121768][ T7704] [16956.124540][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16956.124540][ T7704] netdev_get_by_index+0x5e/0x80 [16956.124540][ T7704] fib6_nh_init+0x3d8/0x15b0 [16956.124540][ T7704] ip6_route_info_create+0xf18/0x17d0 [16956.124540][ T7704] ip6_route_add+0x1c/0x140 [16956.124540][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16956.124540][ T7704] addrconf_add_dev+0xe2/0x170 [16956.124540][ T7704] inet6_addr_add+0x12f/0xa40 [16956.124540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16956.124540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16956.124540][ T7704] netlink_rcv_skb+0x130/0x360 [16956.124540][ T7704] netlink_unicast+0x449/0x710 [16956.124540][ T7704] netlink_sendmsg+0x723/0xbe0 [16956.124540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16956.124540][ T7704] ___sys_sendmsg+0xee/0x170 [16956.124540][ T7704] __sys_sendmsg+0xcd/0x170 [16956.124540][ T7704] do_syscall_64+0xc6/0x1e0 [16956.124540][ T7704] [16956.126759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16956.126759][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16956.126759][ T7704] ipv6_find_idev+0x102/0x170 [16956.126759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16956.126759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16956.126759][ T7704] netlink_rcv_skb+0x130/0x360 [16956.126759][ T7704] netlink_unicast+0x449/0x710 [16956.126759][ T7704] netlink_sendmsg+0x723/0xbe0 [16956.126759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16956.126759][ T7704] ___sys_sendmsg+0xee/0x170 [16956.126759][ T7704] __sys_sendmsg+0xcd/0x170 [16956.126759][ T7704] do_syscall_64+0xc6/0x1e0 [16956.126759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16956.126759][ T7704] [16956.155229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16956.155229][ T7704] neigh_parms_alloc+0x1e5/0x510 [16956.155229][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16956.155229][ T7704] ipv6_find_idev+0x102/0x170 [16956.155229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16956.155229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16956.155229][ T7704] netlink_rcv_skb+0x130/0x360 [16956.155229][ T7704] netlink_unicast+0x449/0x710 [16956.155229][ T7704] netlink_sendmsg+0x723/0xbe0 [16956.155229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16956.155229][ T7704] ___sys_sendmsg+0xee/0x170 [16956.155229][ T7704] __sys_sendmsg+0xcd/0x170 [16956.155229][ T7704] do_syscall_64+0xc6/0x1e0 [16956.155229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16956.155229][ T7704] [16966.398953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16966.399438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16966.399438][ T7704] netdev_get_by_index+0x5e/0x80 [16966.399438][ T7704] fib6_nh_init+0x3d8/0x15b0 [16966.399438][ T7704] ip6_route_info_create+0xf18/0x17d0 [16966.399438][ T7704] ip6_route_add+0x1c/0x140 [16966.399438][ T7704] addrconf_prefix_route+0x2a6/0x430 [16966.399438][ T7704] inet6_addr_add+0x4f8/0xa40 [16966.399438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16966.399438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16966.399438][ T7704] netlink_rcv_skb+0x130/0x360 [16966.399438][ T7704] netlink_unicast+0x449/0x710 [16966.399438][ T7704] netlink_sendmsg+0x723/0xbe0 [16966.399438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16966.399438][ T7704] ___sys_sendmsg+0xee/0x170 [16966.399438][ T7704] __sys_sendmsg+0xcd/0x170 [16966.399438][ T7704] do_syscall_64+0xc6/0x1e0 [16966.399438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16966.399438][ T7704] [16966.401727][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16966.401727][ T7704] netdev_get_by_index+0x5e/0x80 [16966.401727][ T7704] fib6_nh_init+0x3d8/0x15b0 [16966.401727][ T7704] ip6_route_info_create+0xf18/0x17d0 [16966.401727][ T7704] addrconf_f6i_alloc+0x315/0x560 [16966.401727][ T7704] ipv6_add_addr+0x411/0x2000 [16966.401727][ T7704] inet6_addr_add+0x30e/0xa40 [16966.401727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16966.401727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16966.401727][ T7704] netlink_rcv_skb+0x130/0x360 [16966.401727][ T7704] netlink_unicast+0x449/0x710 [16966.401727][ T7704] netlink_sendmsg+0x723/0xbe0 [16966.401727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16966.401727][ T7704] ___sys_sendmsg+0xee/0x170 [16966.401727][ T7704] __sys_sendmsg+0xcd/0x170 [16966.401727][ T7704] do_syscall_64+0xc6/0x1e0 [16966.401727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16966.401727][ T7704] [16966.403988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16966.403988][ T7704] netdev_get_by_index+0x5e/0x80 [16966.403988][ T7704] fib6_nh_init+0x3d8/0x15b0 [16966.403988][ T7704] ip6_route_info_create+0xf18/0x17d0 [16966.403988][ T7704] ip6_route_add+0x1c/0x140 [16966.403988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16966.403988][ T7704] addrconf_add_dev+0xe2/0x170 [16966.403988][ T7704] inet6_addr_add+0x12f/0xa40 [16966.403988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16966.403988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16966.403988][ T7704] netlink_rcv_skb+0x130/0x360 [16966.403988][ T7704] netlink_unicast+0x449/0x710 [16966.403988][ T7704] netlink_sendmsg+0x723/0xbe0 [16966.403988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16966.403988][ T7704] ___sys_sendmsg+0xee/0x170 [16966.403988][ T7704] __sys_sendmsg+0xcd/0x170 [16966.403988][ T7704] do_syscall_64+0xc6/0x1e0 [16966.403988][ T7704] [16966.406194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16966.406194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16966.406194][ T7704] ipv6_find_idev+0x102/0x170 [16966.406194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16966.406194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16966.406194][ T7704] netlink_rcv_skb+0x130/0x360 [16966.406194][ T7704] netlink_unicast+0x449/0x710 [16966.406194][ T7704] netlink_sendmsg+0x723/0xbe0 [16966.406194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16966.406194][ T7704] ___sys_sendmsg+0xee/0x170 [16966.406194][ T7704] __sys_sendmsg+0xcd/0x170 [16966.406194][ T7704] do_syscall_64+0xc6/0x1e0 [16966.406194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16966.406194][ T7704] [16966.407926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16966.407926][ T7704] neigh_parms_alloc+0x1e5/0x510 [16966.407926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16966.407926][ T7704] ipv6_find_idev+0x102/0x170 [16966.407926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16966.407926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16966.407926][ T7704] netlink_rcv_skb+0x130/0x360 [16966.407926][ T7704] netlink_unicast+0x449/0x710 [16966.407926][ T7704] netlink_sendmsg+0x723/0xbe0 [16966.407926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16966.407926][ T7704] ___sys_sendmsg+0xee/0x170 [16966.407926][ T7704] __sys_sendmsg+0xcd/0x170 [16966.407926][ T7704] do_syscall_64+0xc6/0x1e0 [16966.407926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16966.407926][ T7704] [16976.655028][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16976.655605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16976.655605][ T7704] netdev_get_by_index+0x5e/0x80 [16976.655605][ T7704] fib6_nh_init+0x3d8/0x15b0 [16976.655605][ T7704] ip6_route_info_create+0xf18/0x17d0 [16976.655605][ T7704] ip6_route_add+0x1c/0x140 [16976.655605][ T7704] addrconf_prefix_route+0x2a6/0x430 [16976.655605][ T7704] inet6_addr_add+0x4f8/0xa40 [16976.655605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16976.655605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16976.655605][ T7704] netlink_rcv_skb+0x130/0x360 [16976.655605][ T7704] netlink_unicast+0x449/0x710 [16976.655605][ T7704] netlink_sendmsg+0x723/0xbe0 [16976.655605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16976.655605][ T7704] ___sys_sendmsg+0xee/0x170 [16976.655605][ T7704] __sys_sendmsg+0xcd/0x170 [16976.655605][ T7704] do_syscall_64+0xc6/0x1e0 [16976.655605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16976.655605][ T7704] [16976.657830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16976.657830][ T7704] netdev_get_by_index+0x5e/0x80 [16976.657830][ T7704] fib6_nh_init+0x3d8/0x15b0 [16976.657830][ T7704] ip6_route_info_create+0xf18/0x17d0 [16976.657830][ T7704] addrconf_f6i_alloc+0x315/0x560 [16976.657830][ T7704] ipv6_add_addr+0x411/0x2000 [16976.657830][ T7704] inet6_addr_add+0x30e/0xa40 [16976.657830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16976.657830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16976.657830][ T7704] netlink_rcv_skb+0x130/0x360 [16976.657830][ T7704] netlink_unicast+0x449/0x710 [16976.657830][ T7704] netlink_sendmsg+0x723/0xbe0 [16976.657830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16976.657830][ T7704] ___sys_sendmsg+0xee/0x170 [16976.657830][ T7704] __sys_sendmsg+0xcd/0x170 [16976.657830][ T7704] do_syscall_64+0xc6/0x1e0 [16976.657830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16976.657830][ T7704] [16976.660022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16976.660022][ T7704] netdev_get_by_index+0x5e/0x80 [16976.660022][ T7704] fib6_nh_init+0x3d8/0x15b0 [16976.660022][ T7704] ip6_route_info_create+0xf18/0x17d0 [16976.660022][ T7704] ip6_route_add+0x1c/0x140 [16976.660022][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16976.660022][ T7704] addrconf_add_dev+0xe2/0x170 [16976.660022][ T7704] inet6_addr_add+0x12f/0xa40 [16976.660022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16976.660022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16976.660022][ T7704] netlink_rcv_skb+0x130/0x360 [16976.660022][ T7704] netlink_unicast+0x449/0x710 [16976.660022][ T7704] netlink_sendmsg+0x723/0xbe0 [16976.660022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16976.660022][ T7704] ___sys_sendmsg+0xee/0x170 [16976.660022][ T7704] __sys_sendmsg+0xcd/0x170 [16976.660022][ T7704] do_syscall_64+0xc6/0x1e0 [16976.660022][ T7704] [16976.662243][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16976.662243][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16976.662243][ T7704] ipv6_find_idev+0x102/0x170 [16976.662243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16976.662243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16976.662243][ T7704] netlink_rcv_skb+0x130/0x360 [16976.662243][ T7704] netlink_unicast+0x449/0x710 [16976.662243][ T7704] netlink_sendmsg+0x723/0xbe0 [16976.662243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16976.662243][ T7704] ___sys_sendmsg+0xee/0x170 [16976.662243][ T7704] __sys_sendmsg+0xcd/0x170 [16976.662243][ T7704] do_syscall_64+0xc6/0x1e0 [16976.662243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16976.662243][ T7704] [16976.663918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16976.663918][ T7704] neigh_parms_alloc+0x1e5/0x510 [16976.663918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16976.663918][ T7704] ipv6_find_idev+0x102/0x170 [16976.663918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16976.663918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16976.663918][ T7704] netlink_rcv_skb+0x130/0x360 [16976.663918][ T7704] netlink_unicast+0x449/0x710 [16976.663918][ T7704] netlink_sendmsg+0x723/0xbe0 [16976.663918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16976.663918][ T7704] ___sys_sendmsg+0xee/0x170 [16976.663918][ T7704] __sys_sendmsg+0xcd/0x170 [16976.663918][ T7704] do_syscall_64+0xc6/0x1e0 [16976.663918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16976.663918][ T7704] [16986.911026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16986.911564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16986.911564][ T7704] netdev_get_by_index+0x5e/0x80 [16986.911564][ T7704] fib6_nh_init+0x3d8/0x15b0 [16986.911564][ T7704] ip6_route_info_create+0xf18/0x17d0 [16986.911564][ T7704] ip6_route_add+0x1c/0x140 [16986.911564][ T7704] addrconf_prefix_route+0x2a6/0x430 [16986.911564][ T7704] inet6_addr_add+0x4f8/0xa40 [16986.911564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16986.911564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16986.911564][ T7704] netlink_rcv_skb+0x130/0x360 [16986.911564][ T7704] netlink_unicast+0x449/0x710 [16986.911564][ T7704] netlink_sendmsg+0x723/0xbe0 [16986.911564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16986.911564][ T7704] ___sys_sendmsg+0xee/0x170 [16986.911564][ T7704] __sys_sendmsg+0xcd/0x170 [16986.911564][ T7704] do_syscall_64+0xc6/0x1e0 [16986.911564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16986.911564][ T7704] [16986.913752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16986.913752][ T7704] netdev_get_by_index+0x5e/0x80 [16986.913752][ T7704] fib6_nh_init+0x3d8/0x15b0 [16986.913752][ T7704] ip6_route_info_create+0xf18/0x17d0 [16986.913752][ T7704] addrconf_f6i_alloc+0x315/0x560 [16986.913752][ T7704] ipv6_add_addr+0x411/0x2000 [16986.913752][ T7704] inet6_addr_add+0x30e/0xa40 [16986.913752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16986.913752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16986.913752][ T7704] netlink_rcv_skb+0x130/0x360 [16986.913752][ T7704] netlink_unicast+0x449/0x710 [16986.913752][ T7704] netlink_sendmsg+0x723/0xbe0 [16986.913752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16986.913752][ T7704] ___sys_sendmsg+0xee/0x170 [16986.913752][ T7704] __sys_sendmsg+0xcd/0x170 [16986.913752][ T7704] do_syscall_64+0xc6/0x1e0 [16986.913752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16986.913752][ T7704] [16986.915937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16986.915937][ T7704] netdev_get_by_index+0x5e/0x80 [16986.915937][ T7704] fib6_nh_init+0x3d8/0x15b0 [16986.915937][ T7704] ip6_route_info_create+0xf18/0x17d0 [16986.915937][ T7704] ip6_route_add+0x1c/0x140 [16986.915937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16986.915937][ T7704] addrconf_add_dev+0xe2/0x170 [16986.915937][ T7704] inet6_addr_add+0x12f/0xa40 [16986.915937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16986.915937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16986.915937][ T7704] netlink_rcv_skb+0x130/0x360 [16986.915937][ T7704] netlink_unicast+0x449/0x710 [16986.915937][ T7704] netlink_sendmsg+0x723/0xbe0 [16986.915937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16986.915937][ T7704] ___sys_sendmsg+0xee/0x170 [16986.915937][ T7704] __sys_sendmsg+0xcd/0x170 [16986.915937][ T7704] do_syscall_64+0xc6/0x1e0 [16986.915937][ T7704] [16986.918090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16986.918090][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16986.918090][ T7704] ipv6_find_idev+0x102/0x170 [16986.918090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16986.918090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16986.918090][ T7704] netlink_rcv_skb+0x130/0x360 [16986.918090][ T7704] netlink_unicast+0x449/0x710 [16986.918090][ T7704] netlink_sendmsg+0x723/0xbe0 [16986.918090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16986.918090][ T7704] ___sys_sendmsg+0xee/0x170 [16986.918090][ T7704] __sys_sendmsg+0xcd/0x170 [16986.918090][ T7704] do_syscall_64+0xc6/0x1e0 [16986.918090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16986.918090][ T7704] [16986.919696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16986.919696][ T7704] neigh_parms_alloc+0x1e5/0x510 [16986.919696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16986.919696][ T7704] ipv6_find_idev+0x102/0x170 [16986.919696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16986.919696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16986.919696][ T7704] netlink_rcv_skb+0x130/0x360 [16986.919696][ T7704] netlink_unicast+0x449/0x710 [16986.919696][ T7704] netlink_sendmsg+0x723/0xbe0 [16986.919696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16986.919696][ T7704] ___sys_sendmsg+0xee/0x170 [16986.919696][ T7704] __sys_sendmsg+0xcd/0x170 [16986.919696][ T7704] do_syscall_64+0xc6/0x1e0 [16986.919696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16986.919696][ T7704] [16997.118942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16997.119439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16997.119439][ T7704] netdev_get_by_index+0x5e/0x80 [16997.119439][ T7704] fib6_nh_init+0x3d8/0x15b0 [16997.119439][ T7704] ip6_route_info_create+0xf18/0x17d0 [16997.119439][ T7704] ip6_route_add+0x1c/0x140 [16997.119439][ T7704] addrconf_prefix_route+0x2a6/0x430 [16997.119439][ T7704] inet6_addr_add+0x4f8/0xa40 [16997.119439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16997.119439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16997.119439][ T7704] netlink_rcv_skb+0x130/0x360 [16997.119439][ T7704] netlink_unicast+0x449/0x710 [16997.119439][ T7704] netlink_sendmsg+0x723/0xbe0 [16997.119439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16997.119439][ T7704] ___sys_sendmsg+0xee/0x170 [16997.119439][ T7704] __sys_sendmsg+0xcd/0x170 [16997.119439][ T7704] do_syscall_64+0xc6/0x1e0 [16997.119439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16997.119439][ T7704] [16997.122185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16997.122185][ T7704] netdev_get_by_index+0x5e/0x80 [16997.122185][ T7704] fib6_nh_init+0x3d8/0x15b0 [16997.122185][ T7704] ip6_route_info_create+0xf18/0x17d0 [16997.122185][ T7704] addrconf_f6i_alloc+0x315/0x560 [16997.122185][ T7704] ipv6_add_addr+0x411/0x2000 [16997.122185][ T7704] inet6_addr_add+0x30e/0xa40 [16997.122185][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16997.122185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16997.122185][ T7704] netlink_rcv_skb+0x130/0x360 [16997.122185][ T7704] netlink_unicast+0x449/0x710 [16997.122185][ T7704] netlink_sendmsg+0x723/0xbe0 [16997.122185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16997.122185][ T7704] ___sys_sendmsg+0xee/0x170 [16997.122185][ T7704] __sys_sendmsg+0xcd/0x170 [16997.122185][ T7704] do_syscall_64+0xc6/0x1e0 [16997.122185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16997.122185][ T7704] [16997.124898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16997.124898][ T7704] netdev_get_by_index+0x5e/0x80 [16997.124898][ T7704] fib6_nh_init+0x3d8/0x15b0 [16997.124898][ T7704] ip6_route_info_create+0xf18/0x17d0 [16997.124898][ T7704] ip6_route_add+0x1c/0x140 [16997.124898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16997.124898][ T7704] addrconf_add_dev+0xe2/0x170 [16997.124898][ T7704] inet6_addr_add+0x12f/0xa40 [16997.124898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16997.124898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16997.124898][ T7704] netlink_rcv_skb+0x130/0x360 [16997.124898][ T7704] netlink_unicast+0x449/0x710 [16997.124898][ T7704] netlink_sendmsg+0x723/0xbe0 [16997.124898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16997.124898][ T7704] ___sys_sendmsg+0xee/0x170 [16997.124898][ T7704] __sys_sendmsg+0xcd/0x170 [16997.124898][ T7704] do_syscall_64+0xc6/0x1e0 [16997.124898][ T7704] [16997.127585][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16997.127585][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16997.127585][ T7704] ipv6_find_idev+0x102/0x170 [16997.127585][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16997.127585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16997.127585][ T7704] netlink_rcv_skb+0x130/0x360 [16997.127585][ T7704] netlink_unicast+0x449/0x710 [16997.127585][ T7704] netlink_sendmsg+0x723/0xbe0 [16997.127585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16997.127585][ T7704] ___sys_sendmsg+0xee/0x170 [16997.127585][ T7704] __sys_sendmsg+0xcd/0x170 [16997.127585][ T7704] do_syscall_64+0xc6/0x1e0 [16997.127585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16997.127585][ T7704] [16997.129673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [16997.129673][ T7704] neigh_parms_alloc+0x1e5/0x510 [16997.129673][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16997.129673][ T7704] ipv6_find_idev+0x102/0x170 [16997.129673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16997.129673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16997.129673][ T7704] netlink_rcv_skb+0x130/0x360 [16997.129673][ T7704] netlink_unicast+0x449/0x710 [16997.129673][ T7704] netlink_sendmsg+0x723/0xbe0 [16997.129673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16997.129673][ T7704] ___sys_sendmsg+0xee/0x170 [16997.129673][ T7704] __sys_sendmsg+0xcd/0x170 [16997.129673][ T7704] do_syscall_64+0xc6/0x1e0 [16997.129673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16997.129673][ T7704] [17007.366965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17007.367468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17007.367468][ T7704] netdev_get_by_index+0x5e/0x80 [17007.367468][ T7704] fib6_nh_init+0x3d8/0x15b0 [17007.367468][ T7704] ip6_route_info_create+0xf18/0x17d0 [17007.367468][ T7704] ip6_route_add+0x1c/0x140 [17007.367468][ T7704] addrconf_prefix_route+0x2a6/0x430 [17007.367468][ T7704] inet6_addr_add+0x4f8/0xa40 [17007.367468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17007.367468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17007.367468][ T7704] netlink_rcv_skb+0x130/0x360 [17007.367468][ T7704] netlink_unicast+0x449/0x710 [17007.367468][ T7704] netlink_sendmsg+0x723/0xbe0 [17007.367468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17007.367468][ T7704] ___sys_sendmsg+0xee/0x170 [17007.367468][ T7704] __sys_sendmsg+0xcd/0x170 [17007.367468][ T7704] do_syscall_64+0xc6/0x1e0 [17007.367468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17007.367468][ T7704] [17007.369777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17007.369777][ T7704] netdev_get_by_index+0x5e/0x80 [17007.369777][ T7704] fib6_nh_init+0x3d8/0x15b0 [17007.369777][ T7704] ip6_route_info_create+0xf18/0x17d0 [17007.369777][ T7704] addrconf_f6i_alloc+0x315/0x560 [17007.369777][ T7704] ipv6_add_addr+0x411/0x2000 [17007.369777][ T7704] inet6_addr_add+0x30e/0xa40 [17007.369777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17007.369777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17007.369777][ T7704] netlink_rcv_skb+0x130/0x360 [17007.369777][ T7704] netlink_unicast+0x449/0x710 [17007.369777][ T7704] netlink_sendmsg+0x723/0xbe0 [17007.369777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17007.369777][ T7704] ___sys_sendmsg+0xee/0x170 [17007.369777][ T7704] __sys_sendmsg+0xcd/0x170 [17007.369777][ T7704] do_syscall_64+0xc6/0x1e0 [17007.369777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17007.369777][ T7704] [17007.372063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17007.372063][ T7704] netdev_get_by_index+0x5e/0x80 [17007.372063][ T7704] fib6_nh_init+0x3d8/0x15b0 [17007.372063][ T7704] ip6_route_info_create+0xf18/0x17d0 [17007.372063][ T7704] ip6_route_add+0x1c/0x140 [17007.372063][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17007.372063][ T7704] addrconf_add_dev+0xe2/0x170 [17007.372063][ T7704] inet6_addr_add+0x12f/0xa40 [17007.372063][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17007.372063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17007.372063][ T7704] netlink_rcv_skb+0x130/0x360 [17007.372063][ T7704] netlink_unicast+0x449/0x710 [17007.372063][ T7704] netlink_sendmsg+0x723/0xbe0 [17007.372063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17007.372063][ T7704] ___sys_sendmsg+0xee/0x170 [17007.372063][ T7704] __sys_sendmsg+0xcd/0x170 [17007.372063][ T7704] do_syscall_64+0xc6/0x1e0 [17007.372063][ T7704] [17007.374300][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17007.374300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17007.374300][ T7704] ipv6_find_idev+0x102/0x170 [17007.374300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17007.374300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17007.374300][ T7704] netlink_rcv_skb+0x130/0x360 [17007.374300][ T7704] netlink_unicast+0x449/0x710 [17007.374300][ T7704] netlink_sendmsg+0x723/0xbe0 [17007.374300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17007.374300][ T7704] ___sys_sendmsg+0xee/0x170 [17007.374300][ T7704] __sys_sendmsg+0xcd/0x170 [17007.374300][ T7704] do_syscall_64+0xc6/0x1e0 [17007.374300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17007.374300][ T7704] [17007.376051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17007.376051][ T7704] neigh_parms_alloc+0x1e5/0x510 [17007.376051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17007.376051][ T7704] ipv6_find_idev+0x102/0x170 [17007.376051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17007.376051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17007.376051][ T7704] netlink_rcv_skb+0x130/0x360 [17007.376051][ T7704] netlink_unicast+0x449/0x710 [17007.376051][ T7704] netlink_sendmsg+0x723/0xbe0 [17007.376051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17007.376051][ T7704] ___sys_sendmsg+0xee/0x170 [17007.376051][ T7704] __sys_sendmsg+0xcd/0x170 [17007.376051][ T7704] do_syscall_64+0xc6/0x1e0 [17007.376051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17007.376051][ T7704] [17017.614973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17017.615471][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17017.615471][ T7704] netdev_get_by_index+0x5e/0x80 [17017.615471][ T7704] fib6_nh_init+0x3d8/0x15b0 [17017.615471][ T7704] ip6_route_info_create+0xf18/0x17d0 [17017.615471][ T7704] ip6_route_add+0x1c/0x140 [17017.615471][ T7704] addrconf_prefix_route+0x2a6/0x430 [17017.615471][ T7704] inet6_addr_add+0x4f8/0xa40 [17017.615471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17017.615471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17017.615471][ T7704] netlink_rcv_skb+0x130/0x360 [17017.615471][ T7704] netlink_unicast+0x449/0x710 [17017.615471][ T7704] netlink_sendmsg+0x723/0xbe0 [17017.615471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17017.615471][ T7704] ___sys_sendmsg+0xee/0x170 [17017.615471][ T7704] __sys_sendmsg+0xcd/0x170 [17017.615471][ T7704] do_syscall_64+0xc6/0x1e0 [17017.615471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17017.615471][ T7704] [17017.617910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17017.617910][ T7704] netdev_get_by_index+0x5e/0x80 [17017.617910][ T7704] fib6_nh_init+0x3d8/0x15b0 [17017.617910][ T7704] ip6_route_info_create+0xf18/0x17d0 [17017.617910][ T7704] addrconf_f6i_alloc+0x315/0x560 [17017.617910][ T7704] ipv6_add_addr+0x411/0x2000 [17017.617910][ T7704] inet6_addr_add+0x30e/0xa40 [17017.617910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17017.617910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17017.617910][ T7704] netlink_rcv_skb+0x130/0x360 [17017.617910][ T7704] netlink_unicast+0x449/0x710 [17017.617910][ T7704] netlink_sendmsg+0x723/0xbe0 [17017.617910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17017.617910][ T7704] ___sys_sendmsg+0xee/0x170 [17017.617910][ T7704] __sys_sendmsg+0xcd/0x170 [17017.617910][ T7704] do_syscall_64+0xc6/0x1e0 [17017.617910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17017.617910][ T7704] [17017.620173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17017.620173][ T7704] netdev_get_by_index+0x5e/0x80 [17017.620173][ T7704] fib6_nh_init+0x3d8/0x15b0 [17017.620173][ T7704] ip6_route_info_create+0xf18/0x17d0 [17017.620173][ T7704] ip6_route_add+0x1c/0x140 [17017.620173][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17017.620173][ T7704] addrconf_add_dev+0xe2/0x170 [17017.620173][ T7704] inet6_addr_add+0x12f/0xa40 [17017.620173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17017.620173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17017.620173][ T7704] netlink_rcv_skb+0x130/0x360 [17017.620173][ T7704] netlink_unicast+0x449/0x710 [17017.620173][ T7704] netlink_sendmsg+0x723/0xbe0 [17017.620173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17017.620173][ T7704] ___sys_sendmsg+0xee/0x170 [17017.620173][ T7704] __sys_sendmsg+0xcd/0x170 [17017.620173][ T7704] do_syscall_64+0xc6/0x1e0 [17017.620173][ T7704] [17017.622385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17017.622385][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17017.622385][ T7704] ipv6_find_idev+0x102/0x170 [17017.622385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17017.622385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17017.622385][ T7704] netlink_rcv_skb+0x130/0x360 [17017.622385][ T7704] netlink_unicast+0x449/0x710 [17017.622385][ T7704] netlink_sendmsg+0x723/0xbe0 [17017.622385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17017.622385][ T7704] ___sys_sendmsg+0xee/0x170 [17017.622385][ T7704] __sys_sendmsg+0xcd/0x170 [17017.622385][ T7704] do_syscall_64+0xc6/0x1e0 [17017.622385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17017.622385][ T7704] [17017.624120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17017.624120][ T7704] neigh_parms_alloc+0x1e5/0x510 [17017.624120][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17017.624120][ T7704] ipv6_find_idev+0x102/0x170 [17017.624120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17017.624120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17017.624120][ T7704] netlink_rcv_skb+0x130/0x360 [17017.624120][ T7704] netlink_unicast+0x449/0x710 [17017.624120][ T7704] netlink_sendmsg+0x723/0xbe0 [17017.624120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17017.624120][ T7704] ___sys_sendmsg+0xee/0x170 [17017.624120][ T7704] __sys_sendmsg+0xcd/0x170 [17017.624120][ T7704] do_syscall_64+0xc6/0x1e0 [17017.624120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17017.624120][ T7704] [17027.862949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17027.863389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17027.863389][ T7704] netdev_get_by_index+0x5e/0x80 [17027.863389][ T7704] fib6_nh_init+0x3d8/0x15b0 [17027.863389][ T7704] ip6_route_info_create+0xf18/0x17d0 [17027.863389][ T7704] ip6_route_add+0x1c/0x140 [17027.863389][ T7704] addrconf_prefix_route+0x2a6/0x430 [17027.863389][ T7704] inet6_addr_add+0x4f8/0xa40 [17027.863389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17027.863389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17027.863389][ T7704] netlink_rcv_skb+0x130/0x360 [17027.863389][ T7704] netlink_unicast+0x449/0x710 [17027.863389][ T7704] netlink_sendmsg+0x723/0xbe0 [17027.863389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17027.863389][ T7704] ___sys_sendmsg+0xee/0x170 [17027.863389][ T7704] __sys_sendmsg+0xcd/0x170 [17027.863389][ T7704] do_syscall_64+0xc6/0x1e0 [17027.863389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17027.863389][ T7704] [17027.865665][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17027.865665][ T7704] netdev_get_by_index+0x5e/0x80 [17027.865665][ T7704] fib6_nh_init+0x3d8/0x15b0 [17027.865665][ T7704] ip6_route_info_create+0xf18/0x17d0 [17027.865665][ T7704] addrconf_f6i_alloc+0x315/0x560 [17027.865665][ T7704] ipv6_add_addr+0x411/0x2000 [17027.865665][ T7704] inet6_addr_add+0x30e/0xa40 [17027.865665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17027.865665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17027.865665][ T7704] netlink_rcv_skb+0x130/0x360 [17027.865665][ T7704] netlink_unicast+0x449/0x710 [17027.865665][ T7704] netlink_sendmsg+0x723/0xbe0 [17027.865665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17027.865665][ T7704] ___sys_sendmsg+0xee/0x170 [17027.865665][ T7704] __sys_sendmsg+0xcd/0x170 [17027.865665][ T7704] do_syscall_64+0xc6/0x1e0 [17027.865665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17027.865665][ T7704] [17027.867915][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17027.867915][ T7704] netdev_get_by_index+0x5e/0x80 [17027.867915][ T7704] fib6_nh_init+0x3d8/0x15b0 [17027.867915][ T7704] ip6_route_info_create+0xf18/0x17d0 [17027.867915][ T7704] ip6_route_add+0x1c/0x140 [17027.867915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17027.867915][ T7704] addrconf_add_dev+0xe2/0x170 [17027.867915][ T7704] inet6_addr_add+0x12f/0xa40 [17027.867915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17027.867915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17027.867915][ T7704] netlink_rcv_skb+0x130/0x360 [17027.867915][ T7704] netlink_unicast+0x449/0x710 [17027.867915][ T7704] netlink_sendmsg+0x723/0xbe0 [17027.867915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17027.867915][ T7704] ___sys_sendmsg+0xee/0x170 [17027.867915][ T7704] __sys_sendmsg+0xcd/0x170 [17027.867915][ T7704] do_syscall_64+0xc6/0x1e0 [17027.867915][ T7704] [17027.870127][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17027.870127][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17027.870127][ T7704] ipv6_find_idev+0x102/0x170 [17027.870127][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17027.870127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17027.870127][ T7704] netlink_rcv_skb+0x130/0x360 [17027.870127][ T7704] netlink_unicast+0x449/0x710 [17027.870127][ T7704] netlink_sendmsg+0x723/0xbe0 [17027.870127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17027.870127][ T7704] ___sys_sendmsg+0xee/0x170 [17027.870127][ T7704] __sys_sendmsg+0xcd/0x170 [17027.870127][ T7704] do_syscall_64+0xc6/0x1e0 [17027.870127][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17027.870127][ T7704] [17027.871888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17027.871888][ T7704] neigh_parms_alloc+0x1e5/0x510 [17027.871888][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17027.871888][ T7704] ipv6_find_idev+0x102/0x170 [17027.871888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17027.871888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17027.871888][ T7704] netlink_rcv_skb+0x130/0x360 [17027.871888][ T7704] netlink_unicast+0x449/0x710 [17027.871888][ T7704] netlink_sendmsg+0x723/0xbe0 [17027.871888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17027.871888][ T7704] ___sys_sendmsg+0xee/0x170 [17027.871888][ T7704] __sys_sendmsg+0xcd/0x170 [17027.871888][ T7704] do_syscall_64+0xc6/0x1e0 [17027.871888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17027.871888][ T7704] [17037.926946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17037.927439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17037.927439][ T7704] netdev_get_by_index+0x5e/0x80 [17037.927439][ T7704] fib6_nh_init+0x3d8/0x15b0 [17037.927439][ T7704] ip6_route_info_create+0xf18/0x17d0 [17037.927439][ T7704] ip6_route_add+0x1c/0x140 [17037.927439][ T7704] addrconf_prefix_route+0x2a6/0x430 [17037.927439][ T7704] inet6_addr_add+0x4f8/0xa40 [17037.927439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17037.927439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17037.927439][ T7704] netlink_rcv_skb+0x130/0x360 [17037.927439][ T7704] netlink_unicast+0x449/0x710 [17037.927439][ T7704] netlink_sendmsg+0x723/0xbe0 [17037.927439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17037.927439][ T7704] ___sys_sendmsg+0xee/0x170 [17037.927439][ T7704] __sys_sendmsg+0xcd/0x170 [17037.927439][ T7704] do_syscall_64+0xc6/0x1e0 [17037.927439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17037.927439][ T7704] [17037.929721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17037.929721][ T7704] netdev_get_by_index+0x5e/0x80 [17037.929721][ T7704] fib6_nh_init+0x3d8/0x15b0 [17037.929721][ T7704] ip6_route_info_create+0xf18/0x17d0 [17037.929721][ T7704] addrconf_f6i_alloc+0x315/0x560 [17037.929721][ T7704] ipv6_add_addr+0x411/0x2000 [17037.929721][ T7704] inet6_addr_add+0x30e/0xa40 [17037.929721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17037.929721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17037.929721][ T7704] netlink_rcv_skb+0x130/0x360 [17037.929721][ T7704] netlink_unicast+0x449/0x710 [17037.929721][ T7704] netlink_sendmsg+0x723/0xbe0 [17037.929721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17037.929721][ T7704] ___sys_sendmsg+0xee/0x170 [17037.929721][ T7704] __sys_sendmsg+0xcd/0x170 [17037.929721][ T7704] do_syscall_64+0xc6/0x1e0 [17037.929721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17037.929721][ T7704] [17037.931999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17037.931999][ T7704] netdev_get_by_index+0x5e/0x80 [17037.931999][ T7704] fib6_nh_init+0x3d8/0x15b0 [17037.931999][ T7704] ip6_route_info_create+0xf18/0x17d0 [17037.931999][ T7704] ip6_route_add+0x1c/0x140 [17037.931999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17037.931999][ T7704] addrconf_add_dev+0xe2/0x170 [17037.931999][ T7704] inet6_addr_add+0x12f/0xa40 [17037.931999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17037.931999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17037.931999][ T7704] netlink_rcv_skb+0x130/0x360 [17037.931999][ T7704] netlink_unicast+0x449/0x710 [17037.931999][ T7704] netlink_sendmsg+0x723/0xbe0 [17037.931999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17037.931999][ T7704] ___sys_sendmsg+0xee/0x170 [17037.931999][ T7704] __sys_sendmsg+0xcd/0x170 [17037.931999][ T7704] do_syscall_64+0xc6/0x1e0 [17037.931999][ T7704] [17037.934224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17037.934224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17037.934224][ T7704] ipv6_find_idev+0x102/0x170 [17037.934224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17037.934224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17037.934224][ T7704] netlink_rcv_skb+0x130/0x360 [17037.934224][ T7704] netlink_unicast+0x449/0x710 [17037.934224][ T7704] netlink_sendmsg+0x723/0xbe0 [17037.934224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17037.934224][ T7704] ___sys_sendmsg+0xee/0x170 [17037.934224][ T7704] __sys_sendmsg+0xcd/0x170 [17037.934224][ T7704] do_syscall_64+0xc6/0x1e0 [17037.934224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17037.934224][ T7704] [17037.935956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17037.935956][ T7704] neigh_parms_alloc+0x1e5/0x510 [17037.935956][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17037.935956][ T7704] ipv6_find_idev+0x102/0x170 [17037.935956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17037.935956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17037.935956][ T7704] netlink_rcv_skb+0x130/0x360 [17037.935956][ T7704] netlink_unicast+0x449/0x710 [17037.935956][ T7704] netlink_sendmsg+0x723/0xbe0 [17037.935956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17037.935956][ T7704] ___sys_sendmsg+0xee/0x170 [17037.935956][ T7704] __sys_sendmsg+0xcd/0x170 [17037.935956][ T7704] do_syscall_64+0xc6/0x1e0 [17037.935956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17037.935956][ T7704] [17048.175072][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17048.175759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17048.175759][ T7704] netdev_get_by_index+0x5e/0x80 [17048.175759][ T7704] fib6_nh_init+0x3d8/0x15b0 [17048.175759][ T7704] ip6_route_info_create+0xf18/0x17d0 [17048.175759][ T7704] ip6_route_add+0x1c/0x140 [17048.175759][ T7704] addrconf_prefix_route+0x2a6/0x430 [17048.175759][ T7704] inet6_addr_add+0x4f8/0xa40 [17048.175759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17048.175759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17048.175759][ T7704] netlink_rcv_skb+0x130/0x360 [17048.175759][ T7704] netlink_unicast+0x449/0x710 [17048.175759][ T7704] netlink_sendmsg+0x723/0xbe0 [17048.175759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17048.175759][ T7704] ___sys_sendmsg+0xee/0x170 [17048.175759][ T7704] __sys_sendmsg+0xcd/0x170 [17048.175759][ T7704] do_syscall_64+0xc6/0x1e0 [17048.175759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17048.175759][ T7704] [17048.178023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17048.178023][ T7704] netdev_get_by_index+0x5e/0x80 [17048.178023][ T7704] fib6_nh_init+0x3d8/0x15b0 [17048.178023][ T7704] ip6_route_info_create+0xf18/0x17d0 [17048.178023][ T7704] addrconf_f6i_alloc+0x315/0x560 [17048.178023][ T7704] ipv6_add_addr+0x411/0x2000 [17048.178023][ T7704] inet6_addr_add+0x30e/0xa40 [17048.178023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17048.178023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17048.178023][ T7704] netlink_rcv_skb+0x130/0x360 [17048.178023][ T7704] netlink_unicast+0x449/0x710 [17048.178023][ T7704] netlink_sendmsg+0x723/0xbe0 [17048.178023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17048.178023][ T7704] ___sys_sendmsg+0xee/0x170 [17048.178023][ T7704] __sys_sendmsg+0xcd/0x170 [17048.178023][ T7704] do_syscall_64+0xc6/0x1e0 [17048.178023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17048.178023][ T7704] [17048.180281][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17048.180281][ T7704] netdev_get_by_index+0x5e/0x80 [17048.180281][ T7704] fib6_nh_init+0x3d8/0x15b0 [17048.180281][ T7704] ip6_route_info_create+0xf18/0x17d0 [17048.180281][ T7704] ip6_route_add+0x1c/0x140 [17048.180281][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17048.180281][ T7704] addrconf_add_dev+0xe2/0x170 [17048.180281][ T7704] inet6_addr_add+0x12f/0xa40 [17048.180281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17048.180281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17048.180281][ T7704] netlink_rcv_skb+0x130/0x360 [17048.180281][ T7704] netlink_unicast+0x449/0x710 [17048.180281][ T7704] netlink_sendmsg+0x723/0xbe0 [17048.180281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17048.180281][ T7704] ___sys_sendmsg+0xee/0x170 [17048.180281][ T7704] __sys_sendmsg+0xcd/0x170 [17048.180281][ T7704] do_syscall_64+0xc6/0x1e0 [17048.180281][ T7704] [17048.182613][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17048.182613][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17048.182613][ T7704] ipv6_find_idev+0x102/0x170 [17048.182613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17048.182613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17048.182613][ T7704] netlink_rcv_skb+0x130/0x360 [17048.182613][ T7704] netlink_unicast+0x449/0x710 [17048.182613][ T7704] netlink_sendmsg+0x723/0xbe0 [17048.182613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17048.182613][ T7704] ___sys_sendmsg+0xee/0x170 [17048.182613][ T7704] __sys_sendmsg+0xcd/0x170 [17048.182613][ T7704] do_syscall_64+0xc6/0x1e0 [17048.182613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17048.182613][ T7704] [17048.184362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17048.184362][ T7704] neigh_parms_alloc+0x1e5/0x510 [17048.184362][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17048.184362][ T7704] ipv6_find_idev+0x102/0x170 [17048.184362][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17048.184362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17048.184362][ T7704] netlink_rcv_skb+0x130/0x360 [17048.184362][ T7704] netlink_unicast+0x449/0x710 [17048.184362][ T7704] netlink_sendmsg+0x723/0xbe0 [17048.184362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17048.184362][ T7704] ___sys_sendmsg+0xee/0x170 [17048.184362][ T7704] __sys_sendmsg+0xcd/0x170 [17048.184362][ T7704] do_syscall_64+0xc6/0x1e0 [17048.184362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17048.184362][ T7704] [17058.423029][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17058.423593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17058.423593][ T7704] netdev_get_by_index+0x5e/0x80 [17058.423593][ T7704] fib6_nh_init+0x3d8/0x15b0 [17058.423593][ T7704] ip6_route_info_create+0xf18/0x17d0 [17058.423593][ T7704] ip6_route_add+0x1c/0x140 [17058.423593][ T7704] addrconf_prefix_route+0x2a6/0x430 [17058.423593][ T7704] inet6_addr_add+0x4f8/0xa40 [17058.423593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17058.423593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17058.423593][ T7704] netlink_rcv_skb+0x130/0x360 [17058.423593][ T7704] netlink_unicast+0x449/0x710 [17058.423593][ T7704] netlink_sendmsg+0x723/0xbe0 [17058.423593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17058.423593][ T7704] ___sys_sendmsg+0xee/0x170 [17058.423593][ T7704] __sys_sendmsg+0xcd/0x170 [17058.423593][ T7704] do_syscall_64+0xc6/0x1e0 [17058.423593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17058.423593][ T7704] [17058.425886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17058.425886][ T7704] netdev_get_by_index+0x5e/0x80 [17058.425886][ T7704] fib6_nh_init+0x3d8/0x15b0 [17058.425886][ T7704] ip6_route_info_create+0xf18/0x17d0 [17058.425886][ T7704] addrconf_f6i_alloc+0x315/0x560 [17058.425886][ T7704] ipv6_add_addr+0x411/0x2000 [17058.425886][ T7704] inet6_addr_add+0x30e/0xa40 [17058.425886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17058.425886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17058.425886][ T7704] netlink_rcv_skb+0x130/0x360 [17058.425886][ T7704] netlink_unicast+0x449/0x710 [17058.425886][ T7704] netlink_sendmsg+0x723/0xbe0 [17058.425886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17058.425886][ T7704] ___sys_sendmsg+0xee/0x170 [17058.425886][ T7704] __sys_sendmsg+0xcd/0x170 [17058.425886][ T7704] do_syscall_64+0xc6/0x1e0 [17058.425886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17058.425886][ T7704] [17058.428137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17058.428137][ T7704] netdev_get_by_index+0x5e/0x80 [17058.428137][ T7704] fib6_nh_init+0x3d8/0x15b0 [17058.428137][ T7704] ip6_route_info_create+0xf18/0x17d0 [17058.428137][ T7704] ip6_route_add+0x1c/0x140 [17058.428137][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17058.428137][ T7704] addrconf_add_dev+0xe2/0x170 [17058.428137][ T7704] inet6_addr_add+0x12f/0xa40 [17058.428137][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17058.428137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17058.428137][ T7704] netlink_rcv_skb+0x130/0x360 [17058.428137][ T7704] netlink_unicast+0x449/0x710 [17058.428137][ T7704] netlink_sendmsg+0x723/0xbe0 [17058.428137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17058.428137][ T7704] ___sys_sendmsg+0xee/0x170 [17058.428137][ T7704] __sys_sendmsg+0xcd/0x170 [17058.428137][ T7704] do_syscall_64+0xc6/0x1e0 [17058.428137][ T7704] [17058.430356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17058.430356][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17058.430356][ T7704] ipv6_find_idev+0x102/0x170 [17058.430356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17058.430356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17058.430356][ T7704] netlink_rcv_skb+0x130/0x360 [17058.430356][ T7704] netlink_unicast+0x449/0x710 [17058.430356][ T7704] netlink_sendmsg+0x723/0xbe0 [17058.430356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17058.430356][ T7704] ___sys_sendmsg+0xee/0x170 [17058.430356][ T7704] __sys_sendmsg+0xcd/0x170 [17058.430356][ T7704] do_syscall_64+0xc6/0x1e0 [17058.430356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17058.430356][ T7704] [17058.432089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17058.432089][ T7704] neigh_parms_alloc+0x1e5/0x510 [17058.432089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17058.432089][ T7704] ipv6_find_idev+0x102/0x170 [17058.432089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17058.432089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17058.432089][ T7704] netlink_rcv_skb+0x130/0x360 [17058.432089][ T7704] netlink_unicast+0x449/0x710 [17058.432089][ T7704] netlink_sendmsg+0x723/0xbe0 [17058.432089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17058.432089][ T7704] ___sys_sendmsg+0xee/0x170 [17058.432089][ T7704] __sys_sendmsg+0xcd/0x170 [17058.432089][ T7704] do_syscall_64+0xc6/0x1e0 [17058.432089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17058.432089][ T7704] [17068.494953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17068.495445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17068.495445][ T7704] netdev_get_by_index+0x5e/0x80 [17068.495445][ T7704] fib6_nh_init+0x3d8/0x15b0 [17068.495445][ T7704] ip6_route_info_create+0xf18/0x17d0 [17068.495445][ T7704] ip6_route_add+0x1c/0x140 [17068.495445][ T7704] addrconf_prefix_route+0x2a6/0x430 [17068.495445][ T7704] inet6_addr_add+0x4f8/0xa40 [17068.495445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17068.495445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17068.495445][ T7704] netlink_rcv_skb+0x130/0x360 [17068.495445][ T7704] netlink_unicast+0x449/0x710 [17068.495445][ T7704] netlink_sendmsg+0x723/0xbe0 [17068.495445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17068.495445][ T7704] ___sys_sendmsg+0xee/0x170 [17068.495445][ T7704] __sys_sendmsg+0xcd/0x170 [17068.495445][ T7704] do_syscall_64+0xc6/0x1e0 [17068.495445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17068.495445][ T7704] [17068.497733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17068.497733][ T7704] netdev_get_by_index+0x5e/0x80 [17068.497733][ T7704] fib6_nh_init+0x3d8/0x15b0 [17068.497733][ T7704] ip6_route_info_create+0xf18/0x17d0 [17068.497733][ T7704] addrconf_f6i_alloc+0x315/0x560 [17068.497733][ T7704] ipv6_add_addr+0x411/0x2000 [17068.497733][ T7704] inet6_addr_add+0x30e/0xa40 [17068.497733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17068.497733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17068.497733][ T7704] netlink_rcv_skb+0x130/0x360 [17068.497733][ T7704] netlink_unicast+0x449/0x710 [17068.497733][ T7704] netlink_sendmsg+0x723/0xbe0 [17068.497733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17068.497733][ T7704] ___sys_sendmsg+0xee/0x170 [17068.497733][ T7704] __sys_sendmsg+0xcd/0x170 [17068.497733][ T7704] do_syscall_64+0xc6/0x1e0 [17068.497733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17068.497733][ T7704] [17068.499982][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17068.499982][ T7704] netdev_get_by_index+0x5e/0x80 [17068.499982][ T7704] fib6_nh_init+0x3d8/0x15b0 [17068.499982][ T7704] ip6_route_info_create+0xf18/0x17d0 [17068.499982][ T7704] ip6_route_add+0x1c/0x140 [17068.499982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17068.499982][ T7704] addrconf_add_dev+0xe2/0x170 [17068.499982][ T7704] inet6_addr_add+0x12f/0xa40 [17068.499982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17068.499982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17068.499982][ T7704] netlink_rcv_skb+0x130/0x360 [17068.499982][ T7704] netlink_unicast+0x449/0x710 [17068.499982][ T7704] netlink_sendmsg+0x723/0xbe0 [17068.499982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17068.499982][ T7704] ___sys_sendmsg+0xee/0x170 [17068.499982][ T7704] __sys_sendmsg+0xcd/0x170 [17068.499982][ T7704] do_syscall_64+0xc6/0x1e0 [17068.499982][ T7704] [17068.502208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17068.502208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17068.502208][ T7704] ipv6_find_idev+0x102/0x170 [17068.502208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17068.502208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17068.502208][ T7704] netlink_rcv_skb+0x130/0x360 [17068.502208][ T7704] netlink_unicast+0x449/0x710 [17068.502208][ T7704] netlink_sendmsg+0x723/0xbe0 [17068.502208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17068.502208][ T7704] ___sys_sendmsg+0xee/0x170 [17068.502208][ T7704] __sys_sendmsg+0xcd/0x170 [17068.502208][ T7704] do_syscall_64+0xc6/0x1e0 [17068.502208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17068.502208][ T7704] [17068.503952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17068.503952][ T7704] neigh_parms_alloc+0x1e5/0x510 [17068.503952][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17068.503952][ T7704] ipv6_find_idev+0x102/0x170 [17068.503952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17068.503952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17068.503952][ T7704] netlink_rcv_skb+0x130/0x360 [17068.503952][ T7704] netlink_unicast+0x449/0x710 [17068.503952][ T7704] netlink_sendmsg+0x723/0xbe0 [17068.503952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17068.503952][ T7704] ___sys_sendmsg+0xee/0x170 [17068.503952][ T7704] __sys_sendmsg+0xcd/0x170 [17068.503952][ T7704] do_syscall_64+0xc6/0x1e0 [17068.503952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17068.503952][ T7704] [17078.742966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17078.743455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17078.743455][ T7704] netdev_get_by_index+0x5e/0x80 [17078.743455][ T7704] fib6_nh_init+0x3d8/0x15b0 [17078.743455][ T7704] ip6_route_info_create+0xf18/0x17d0 [17078.743455][ T7704] ip6_route_add+0x1c/0x140 [17078.743455][ T7704] addrconf_prefix_route+0x2a6/0x430 [17078.743455][ T7704] inet6_addr_add+0x4f8/0xa40 [17078.743455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17078.743455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17078.743455][ T7704] netlink_rcv_skb+0x130/0x360 [17078.743455][ T7704] netlink_unicast+0x449/0x710 [17078.743455][ T7704] netlink_sendmsg+0x723/0xbe0 [17078.743455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17078.743455][ T7704] ___sys_sendmsg+0xee/0x170 [17078.743455][ T7704] __sys_sendmsg+0xcd/0x170 [17078.743455][ T7704] do_syscall_64+0xc6/0x1e0 [17078.743455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17078.743455][ T7704] [17078.745734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17078.745734][ T7704] netdev_get_by_index+0x5e/0x80 [17078.745734][ T7704] fib6_nh_init+0x3d8/0x15b0 [17078.745734][ T7704] ip6_route_info_create+0xf18/0x17d0 [17078.745734][ T7704] addrconf_f6i_alloc+0x315/0x560 [17078.745734][ T7704] ipv6_add_addr+0x411/0x2000 [17078.745734][ T7704] inet6_addr_add+0x30e/0xa40 [17078.745734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17078.745734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17078.745734][ T7704] netlink_rcv_skb+0x130/0x360 [17078.745734][ T7704] netlink_unicast+0x449/0x710 [17078.745734][ T7704] netlink_sendmsg+0x723/0xbe0 [17078.745734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17078.745734][ T7704] ___sys_sendmsg+0xee/0x170 [17078.745734][ T7704] __sys_sendmsg+0xcd/0x170 [17078.745734][ T7704] do_syscall_64+0xc6/0x1e0 [17078.745734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17078.745734][ T7704] [17078.747980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17078.747980][ T7704] netdev_get_by_index+0x5e/0x80 [17078.747980][ T7704] fib6_nh_init+0x3d8/0x15b0 [17078.747980][ T7704] ip6_route_info_create+0xf18/0x17d0 [17078.747980][ T7704] ip6_route_add+0x1c/0x140 [17078.747980][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17078.747980][ T7704] addrconf_add_dev+0xe2/0x170 [17078.747980][ T7704] inet6_addr_add+0x12f/0xa40 [17078.747980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17078.747980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17078.747980][ T7704] netlink_rcv_skb+0x130/0x360 [17078.747980][ T7704] netlink_unicast+0x449/0x710 [17078.747980][ T7704] netlink_sendmsg+0x723/0xbe0 [17078.747980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17078.747980][ T7704] ___sys_sendmsg+0xee/0x170 [17078.747980][ T7704] __sys_sendmsg+0xcd/0x170 [17078.747980][ T7704] do_syscall_64+0xc6/0x1e0 [17078.747980][ T7704] [17078.750182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17078.750182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17078.750182][ T7704] ipv6_find_idev+0x102/0x170 [17078.750182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17078.750182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17078.750182][ T7704] netlink_rcv_skb+0x130/0x360 [17078.750182][ T7704] netlink_unicast+0x449/0x710 [17078.750182][ T7704] netlink_sendmsg+0x723/0xbe0 [17078.750182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17078.750182][ T7704] ___sys_sendmsg+0xee/0x170 [17078.750182][ T7704] __sys_sendmsg+0xcd/0x170 [17078.750182][ T7704] do_syscall_64+0xc6/0x1e0 [17078.750182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17078.750182][ T7704] [17078.751924][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17078.751924][ T7704] neigh_parms_alloc+0x1e5/0x510 [17078.751924][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17078.751924][ T7704] ipv6_find_idev+0x102/0x170 [17078.751924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17078.751924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17078.751924][ T7704] netlink_rcv_skb+0x130/0x360 [17078.751924][ T7704] netlink_unicast+0x449/0x710 [17078.751924][ T7704] netlink_sendmsg+0x723/0xbe0 [17078.751924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17078.751924][ T7704] ___sys_sendmsg+0xee/0x170 [17078.751924][ T7704] __sys_sendmsg+0xcd/0x170 [17078.751924][ T7704] do_syscall_64+0xc6/0x1e0 [17078.751924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17078.751924][ T7704] [17089.006951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17089.007388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17089.007388][ T7704] netdev_get_by_index+0x5e/0x80 [17089.007388][ T7704] fib6_nh_init+0x3d8/0x15b0 [17089.007388][ T7704] ip6_route_info_create+0xf18/0x17d0 [17089.007388][ T7704] ip6_route_add+0x1c/0x140 [17089.007388][ T7704] addrconf_prefix_route+0x2a6/0x430 [17089.007388][ T7704] inet6_addr_add+0x4f8/0xa40 [17089.007388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17089.007388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17089.007388][ T7704] netlink_rcv_skb+0x130/0x360 [17089.007388][ T7704] netlink_unicast+0x449/0x710 [17089.007388][ T7704] netlink_sendmsg+0x723/0xbe0 [17089.007388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17089.007388][ T7704] ___sys_sendmsg+0xee/0x170 [17089.007388][ T7704] __sys_sendmsg+0xcd/0x170 [17089.007388][ T7704] do_syscall_64+0xc6/0x1e0 [17089.007388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17089.007388][ T7704] [17089.009655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17089.009655][ T7704] netdev_get_by_index+0x5e/0x80 [17089.009655][ T7704] fib6_nh_init+0x3d8/0x15b0 [17089.009655][ T7704] ip6_route_info_create+0xf18/0x17d0 [17089.009655][ T7704] addrconf_f6i_alloc+0x315/0x560 [17089.009655][ T7704] ipv6_add_addr+0x411/0x2000 [17089.009655][ T7704] inet6_addr_add+0x30e/0xa40 [17089.009655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17089.009655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17089.009655][ T7704] netlink_rcv_skb+0x130/0x360 [17089.009655][ T7704] netlink_unicast+0x449/0x710 [17089.009655][ T7704] netlink_sendmsg+0x723/0xbe0 [17089.009655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17089.009655][ T7704] ___sys_sendmsg+0xee/0x170 [17089.009655][ T7704] __sys_sendmsg+0xcd/0x170 [17089.009655][ T7704] do_syscall_64+0xc6/0x1e0 [17089.009655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17089.009655][ T7704] [17089.011919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17089.011919][ T7704] netdev_get_by_index+0x5e/0x80 [17089.011919][ T7704] fib6_nh_init+0x3d8/0x15b0 [17089.011919][ T7704] ip6_route_info_create+0xf18/0x17d0 [17089.011919][ T7704] ip6_route_add+0x1c/0x140 [17089.011919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17089.011919][ T7704] addrconf_add_dev+0xe2/0x170 [17089.011919][ T7704] inet6_addr_add+0x12f/0xa40 [17089.011919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17089.011919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17089.011919][ T7704] netlink_rcv_skb+0x130/0x360 [17089.011919][ T7704] netlink_unicast+0x449/0x710 [17089.011919][ T7704] netlink_sendmsg+0x723/0xbe0 [17089.011919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17089.011919][ T7704] ___sys_sendmsg+0xee/0x170 [17089.011919][ T7704] __sys_sendmsg+0xcd/0x170 [17089.011919][ T7704] do_syscall_64+0xc6/0x1e0 [17089.011919][ T7704] [17089.014125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17089.014125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17089.014125][ T7704] ipv6_find_idev+0x102/0x170 [17089.014125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17089.014125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17089.014125][ T7704] netlink_rcv_skb+0x130/0x360 [17089.014125][ T7704] netlink_unicast+0x449/0x710 [17089.014125][ T7704] netlink_sendmsg+0x723/0xbe0 [17089.014125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17089.014125][ T7704] ___sys_sendmsg+0xee/0x170 [17089.014125][ T7704] __sys_sendmsg+0xcd/0x170 [17089.014125][ T7704] do_syscall_64+0xc6/0x1e0 [17089.014125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17089.014125][ T7704] [17089.015855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17089.015855][ T7704] neigh_parms_alloc+0x1e5/0x510 [17089.015855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17089.015855][ T7704] ipv6_find_idev+0x102/0x170 [17089.015855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17089.015855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17089.015855][ T7704] netlink_rcv_skb+0x130/0x360 [17089.015855][ T7704] netlink_unicast+0x449/0x710 [17089.015855][ T7704] netlink_sendmsg+0x723/0xbe0 [17089.015855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17089.015855][ T7704] ___sys_sendmsg+0xee/0x170 [17089.015855][ T7704] __sys_sendmsg+0xcd/0x170 [17089.015855][ T7704] do_syscall_64+0xc6/0x1e0 [17089.015855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17089.015855][ T7704] [17099.086947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17099.087444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17099.087444][ T7704] netdev_get_by_index+0x5e/0x80 [17099.087444][ T7704] fib6_nh_init+0x3d8/0x15b0 [17099.087444][ T7704] ip6_route_info_create+0xf18/0x17d0 [17099.087444][ T7704] ip6_route_add+0x1c/0x140 [17099.087444][ T7704] addrconf_prefix_route+0x2a6/0x430 [17099.087444][ T7704] inet6_addr_add+0x4f8/0xa40 [17099.087444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17099.087444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17099.087444][ T7704] netlink_rcv_skb+0x130/0x360 [17099.087444][ T7704] netlink_unicast+0x449/0x710 [17099.087444][ T7704] netlink_sendmsg+0x723/0xbe0 [17099.087444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17099.087444][ T7704] ___sys_sendmsg+0xee/0x170 [17099.087444][ T7704] __sys_sendmsg+0xcd/0x170 [17099.087444][ T7704] do_syscall_64+0xc6/0x1e0 [17099.087444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17099.087444][ T7704] [17099.089710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17099.089710][ T7704] netdev_get_by_index+0x5e/0x80 [17099.089710][ T7704] fib6_nh_init+0x3d8/0x15b0 [17099.089710][ T7704] ip6_route_info_create+0xf18/0x17d0 [17099.089710][ T7704] addrconf_f6i_alloc+0x315/0x560 [17099.089710][ T7704] ipv6_add_addr+0x411/0x2000 [17099.089710][ T7704] inet6_addr_add+0x30e/0xa40 [17099.089710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17099.089710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17099.089710][ T7704] netlink_rcv_skb+0x130/0x360 [17099.089710][ T7704] netlink_unicast+0x449/0x710 [17099.089710][ T7704] netlink_sendmsg+0x723/0xbe0 [17099.089710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17099.089710][ T7704] ___sys_sendmsg+0xee/0x170 [17099.089710][ T7704] __sys_sendmsg+0xcd/0x170 [17099.089710][ T7704] do_syscall_64+0xc6/0x1e0 [17099.089710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17099.089710][ T7704] [17099.091985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17099.091985][ T7704] netdev_get_by_index+0x5e/0x80 [17099.091985][ T7704] fib6_nh_init+0x3d8/0x15b0 [17099.091985][ T7704] ip6_route_info_create+0xf18/0x17d0 [17099.091985][ T7704] ip6_route_add+0x1c/0x140 [17099.091985][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17099.091985][ T7704] addrconf_add_dev+0xe2/0x170 [17099.091985][ T7704] inet6_addr_add+0x12f/0xa40 [17099.091985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17099.091985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17099.091985][ T7704] netlink_rcv_skb+0x130/0x360 [17099.091985][ T7704] netlink_unicast+0x449/0x710 [17099.091985][ T7704] netlink_sendmsg+0x723/0xbe0 [17099.091985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17099.091985][ T7704] ___sys_sendmsg+0xee/0x170 [17099.091985][ T7704] __sys_sendmsg+0xcd/0x170 [17099.091985][ T7704] do_syscall_64+0xc6/0x1e0 [17099.091985][ T7704] [17099.094195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17099.094195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17099.094195][ T7704] ipv6_find_idev+0x102/0x170 [17099.094195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17099.094195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17099.094195][ T7704] netlink_rcv_skb+0x130/0x360 [17099.094195][ T7704] netlink_unicast+0x449/0x710 [17099.094195][ T7704] netlink_sendmsg+0x723/0xbe0 [17099.094195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17099.094195][ T7704] ___sys_sendmsg+0xee/0x170 [17099.094195][ T7704] __sys_sendmsg+0xcd/0x170 [17099.094195][ T7704] do_syscall_64+0xc6/0x1e0 [17099.094195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17099.094195][ T7704] [17099.095922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17099.095922][ T7704] neigh_parms_alloc+0x1e5/0x510 [17099.095922][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17099.095922][ T7704] ipv6_find_idev+0x102/0x170 [17099.095922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17099.095922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17099.095922][ T7704] netlink_rcv_skb+0x130/0x360 [17099.095922][ T7704] netlink_unicast+0x449/0x710 [17099.095922][ T7704] netlink_sendmsg+0x723/0xbe0 [17099.095922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17099.095922][ T7704] ___sys_sendmsg+0xee/0x170 [17099.095922][ T7704] __sys_sendmsg+0xcd/0x170 [17099.095922][ T7704] do_syscall_64+0xc6/0x1e0 [17099.095922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17099.095922][ T7704] [17109.342950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17109.343446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17109.343446][ T7704] netdev_get_by_index+0x5e/0x80 [17109.343446][ T7704] fib6_nh_init+0x3d8/0x15b0 [17109.343446][ T7704] ip6_route_info_create+0xf18/0x17d0 [17109.343446][ T7704] ip6_route_add+0x1c/0x140 [17109.343446][ T7704] addrconf_prefix_route+0x2a6/0x430 [17109.343446][ T7704] inet6_addr_add+0x4f8/0xa40 [17109.343446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17109.343446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17109.343446][ T7704] netlink_rcv_skb+0x130/0x360 [17109.343446][ T7704] netlink_unicast+0x449/0x710 [17109.343446][ T7704] netlink_sendmsg+0x723/0xbe0 [17109.343446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17109.343446][ T7704] ___sys_sendmsg+0xee/0x170 [17109.343446][ T7704] __sys_sendmsg+0xcd/0x170 [17109.343446][ T7704] do_syscall_64+0xc6/0x1e0 [17109.343446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17109.343446][ T7704] [17109.345754][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17109.345754][ T7704] netdev_get_by_index+0x5e/0x80 [17109.345754][ T7704] fib6_nh_init+0x3d8/0x15b0 [17109.345754][ T7704] ip6_route_info_create+0xf18/0x17d0 [17109.345754][ T7704] addrconf_f6i_alloc+0x315/0x560 [17109.345754][ T7704] ipv6_add_addr+0x411/0x2000 [17109.345754][ T7704] inet6_addr_add+0x30e/0xa40 [17109.345754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17109.345754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17109.345754][ T7704] netlink_rcv_skb+0x130/0x360 [17109.345754][ T7704] netlink_unicast+0x449/0x710 [17109.345754][ T7704] netlink_sendmsg+0x723/0xbe0 [17109.345754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17109.345754][ T7704] ___sys_sendmsg+0xee/0x170 [17109.345754][ T7704] __sys_sendmsg+0xcd/0x170 [17109.345754][ T7704] do_syscall_64+0xc6/0x1e0 [17109.345754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17109.345754][ T7704] [17109.348517][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17109.348517][ T7704] netdev_get_by_index+0x5e/0x80 [17109.348517][ T7704] fib6_nh_init+0x3d8/0x15b0 [17109.348517][ T7704] ip6_route_info_create+0xf18/0x17d0 [17109.348517][ T7704] ip6_route_add+0x1c/0x140 [17109.348517][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17109.348517][ T7704] addrconf_add_dev+0xe2/0x170 [17109.348517][ T7704] inet6_addr_add+0x12f/0xa40 [17109.348517][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17109.348517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17109.348517][ T7704] netlink_rcv_skb+0x130/0x360 [17109.348517][ T7704] netlink_unicast+0x449/0x710 [17109.348517][ T7704] netlink_sendmsg+0x723/0xbe0 [17109.348517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17109.348517][ T7704] ___sys_sendmsg+0xee/0x170 [17109.348517][ T7704] __sys_sendmsg+0xcd/0x170 [17109.348517][ T7704] do_syscall_64+0xc6/0x1e0 [17109.348517][ T7704] [17109.350735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17109.350735][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17109.350735][ T7704] ipv6_find_idev+0x102/0x170 [17109.350735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17109.350735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17109.350735][ T7704] netlink_rcv_skb+0x130/0x360 [17109.350735][ T7704] netlink_unicast+0x449/0x710 [17109.350735][ T7704] netlink_sendmsg+0x723/0xbe0 [17109.350735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17109.350735][ T7704] ___sys_sendmsg+0xee/0x170 [17109.350735][ T7704] __sys_sendmsg+0xcd/0x170 [17109.350735][ T7704] do_syscall_64+0xc6/0x1e0 [17109.350735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17109.350735][ T7704] [17109.352464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17109.352464][ T7704] neigh_parms_alloc+0x1e5/0x510 [17109.352464][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17109.352464][ T7704] ipv6_find_idev+0x102/0x170 [17109.352464][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17109.352464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17109.352464][ T7704] netlink_rcv_skb+0x130/0x360 [17109.352464][ T7704] netlink_unicast+0x449/0x710 [17109.352464][ T7704] netlink_sendmsg+0x723/0xbe0 [17109.352464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17109.352464][ T7704] ___sys_sendmsg+0xee/0x170 [17109.352464][ T7704] __sys_sendmsg+0xcd/0x170 [17109.352464][ T7704] do_syscall_64+0xc6/0x1e0 [17109.352464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17109.352464][ T7704] [17119.598940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17119.599465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17119.599465][ T7704] netdev_get_by_index+0x5e/0x80 [17119.599465][ T7704] fib6_nh_init+0x3d8/0x15b0 [17119.599465][ T7704] ip6_route_info_create+0xf18/0x17d0 [17119.599465][ T7704] ip6_route_add+0x1c/0x140 [17119.599465][ T7704] addrconf_prefix_route+0x2a6/0x430 [17119.599465][ T7704] inet6_addr_add+0x4f8/0xa40 [17119.599465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17119.599465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17119.599465][ T7704] netlink_rcv_skb+0x130/0x360 [17119.599465][ T7704] netlink_unicast+0x449/0x710 [17119.599465][ T7704] netlink_sendmsg+0x723/0xbe0 [17119.599465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17119.599465][ T7704] ___sys_sendmsg+0xee/0x170 [17119.599465][ T7704] __sys_sendmsg+0xcd/0x170 [17119.599465][ T7704] do_syscall_64+0xc6/0x1e0 [17119.599465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17119.599465][ T7704] [17119.601744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17119.601744][ T7704] netdev_get_by_index+0x5e/0x80 [17119.601744][ T7704] fib6_nh_init+0x3d8/0x15b0 [17119.601744][ T7704] ip6_route_info_create+0xf18/0x17d0 [17119.601744][ T7704] addrconf_f6i_alloc+0x315/0x560 [17119.601744][ T7704] ipv6_add_addr+0x411/0x2000 [17119.601744][ T7704] inet6_addr_add+0x30e/0xa40 [17119.601744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17119.601744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17119.601744][ T7704] netlink_rcv_skb+0x130/0x360 [17119.601744][ T7704] netlink_unicast+0x449/0x710 [17119.601744][ T7704] netlink_sendmsg+0x723/0xbe0 [17119.601744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17119.601744][ T7704] ___sys_sendmsg+0xee/0x170 [17119.601744][ T7704] __sys_sendmsg+0xcd/0x170 [17119.601744][ T7704] do_syscall_64+0xc6/0x1e0 [17119.601744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17119.601744][ T7704] [17119.604009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17119.604009][ T7704] netdev_get_by_index+0x5e/0x80 [17119.604009][ T7704] fib6_nh_init+0x3d8/0x15b0 [17119.604009][ T7704] ip6_route_info_create+0xf18/0x17d0 [17119.604009][ T7704] ip6_route_add+0x1c/0x140 [17119.604009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17119.604009][ T7704] addrconf_add_dev+0xe2/0x170 [17119.604009][ T7704] inet6_addr_add+0x12f/0xa40 [17119.604009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17119.604009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17119.604009][ T7704] netlink_rcv_skb+0x130/0x360 [17119.604009][ T7704] netlink_unicast+0x449/0x710 [17119.604009][ T7704] netlink_sendmsg+0x723/0xbe0 [17119.604009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17119.604009][ T7704] ___sys_sendmsg+0xee/0x170 [17119.604009][ T7704] __sys_sendmsg+0xcd/0x170 [17119.604009][ T7704] do_syscall_64+0xc6/0x1e0 [17119.604009][ T7704] [17119.606255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17119.606255][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17119.606255][ T7704] ipv6_find_idev+0x102/0x170 [17119.606255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17119.606255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17119.606255][ T7704] netlink_rcv_skb+0x130/0x360 [17119.606255][ T7704] netlink_unicast+0x449/0x710 [17119.606255][ T7704] netlink_sendmsg+0x723/0xbe0 [17119.606255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17119.606255][ T7704] ___sys_sendmsg+0xee/0x170 [17119.606255][ T7704] __sys_sendmsg+0xcd/0x170 [17119.606255][ T7704] do_syscall_64+0xc6/0x1e0 [17119.606255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17119.606255][ T7704] [17119.607990][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17119.607990][ T7704] neigh_parms_alloc+0x1e5/0x510 [17119.607990][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17119.607990][ T7704] ipv6_find_idev+0x102/0x170 [17119.607990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17119.607990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17119.607990][ T7704] netlink_rcv_skb+0x130/0x360 [17119.607990][ T7704] netlink_unicast+0x449/0x710 [17119.607990][ T7704] netlink_sendmsg+0x723/0xbe0 [17119.607990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17119.607990][ T7704] ___sys_sendmsg+0xee/0x170 [17119.607990][ T7704] __sys_sendmsg+0xcd/0x170 [17119.607990][ T7704] do_syscall_64+0xc6/0x1e0 [17119.607990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17119.607990][ T7704] [17129.654961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17129.655463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17129.655463][ T7704] netdev_get_by_index+0x5e/0x80 [17129.655463][ T7704] fib6_nh_init+0x3d8/0x15b0 [17129.655463][ T7704] ip6_route_info_create+0xf18/0x17d0 [17129.655463][ T7704] ip6_route_add+0x1c/0x140 [17129.655463][ T7704] addrconf_prefix_route+0x2a6/0x430 [17129.655463][ T7704] inet6_addr_add+0x4f8/0xa40 [17129.655463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17129.655463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17129.655463][ T7704] netlink_rcv_skb+0x130/0x360 [17129.655463][ T7704] netlink_unicast+0x449/0x710 [17129.655463][ T7704] netlink_sendmsg+0x723/0xbe0 [17129.655463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17129.655463][ T7704] ___sys_sendmsg+0xee/0x170 [17129.655463][ T7704] __sys_sendmsg+0xcd/0x170 [17129.655463][ T7704] do_syscall_64+0xc6/0x1e0 [17129.655463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17129.655463][ T7704] [17129.657755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17129.657755][ T7704] netdev_get_by_index+0x5e/0x80 [17129.657755][ T7704] fib6_nh_init+0x3d8/0x15b0 [17129.657755][ T7704] ip6_route_info_create+0xf18/0x17d0 [17129.657755][ T7704] addrconf_f6i_alloc+0x315/0x560 [17129.657755][ T7704] ipv6_add_addr+0x411/0x2000 [17129.657755][ T7704] inet6_addr_add+0x30e/0xa40 [17129.657755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17129.657755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17129.657755][ T7704] netlink_rcv_skb+0x130/0x360 [17129.657755][ T7704] netlink_unicast+0x449/0x710 [17129.657755][ T7704] netlink_sendmsg+0x723/0xbe0 [17129.657755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17129.657755][ T7704] ___sys_sendmsg+0xee/0x170 [17129.657755][ T7704] __sys_sendmsg+0xcd/0x170 [17129.657755][ T7704] do_syscall_64+0xc6/0x1e0 [17129.657755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17129.657755][ T7704] [17129.660011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17129.660011][ T7704] netdev_get_by_index+0x5e/0x80 [17129.660011][ T7704] fib6_nh_init+0x3d8/0x15b0 [17129.660011][ T7704] ip6_route_info_create+0xf18/0x17d0 [17129.660011][ T7704] ip6_route_add+0x1c/0x140 [17129.660011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17129.660011][ T7704] addrconf_add_dev+0xe2/0x170 [17129.660011][ T7704] inet6_addr_add+0x12f/0xa40 [17129.660011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17129.660011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17129.660011][ T7704] netlink_rcv_skb+0x130/0x360 [17129.660011][ T7704] netlink_unicast+0x449/0x710 [17129.660011][ T7704] netlink_sendmsg+0x723/0xbe0 [17129.660011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17129.660011][ T7704] ___sys_sendmsg+0xee/0x170 [17129.660011][ T7704] __sys_sendmsg+0xcd/0x170 [17129.660011][ T7704] do_syscall_64+0xc6/0x1e0 [17129.660011][ T7704] [17129.662241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17129.662241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17129.662241][ T7704] ipv6_find_idev+0x102/0x170 [17129.662241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17129.662241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17129.662241][ T7704] netlink_rcv_skb+0x130/0x360 [17129.662241][ T7704] netlink_unicast+0x449/0x710 [17129.662241][ T7704] netlink_sendmsg+0x723/0xbe0 [17129.662241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17129.662241][ T7704] ___sys_sendmsg+0xee/0x170 [17129.662241][ T7704] __sys_sendmsg+0xcd/0x170 [17129.662241][ T7704] do_syscall_64+0xc6/0x1e0 [17129.662241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17129.662241][ T7704] [17129.663979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17129.663979][ T7704] neigh_parms_alloc+0x1e5/0x510 [17129.663979][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17129.663979][ T7704] ipv6_find_idev+0x102/0x170 [17129.663979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17129.663979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17129.663979][ T7704] netlink_rcv_skb+0x130/0x360 [17129.663979][ T7704] netlink_unicast+0x449/0x710 [17129.663979][ T7704] netlink_sendmsg+0x723/0xbe0 [17129.663979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17129.663979][ T7704] ___sys_sendmsg+0xee/0x170 [17129.663979][ T7704] __sys_sendmsg+0xcd/0x170 [17129.663979][ T7704] do_syscall_64+0xc6/0x1e0 [17129.663979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17129.663979][ T7704] [17139.918941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17139.919378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17139.919378][ T7704] netdev_get_by_index+0x5e/0x80 [17139.919378][ T7704] fib6_nh_init+0x3d8/0x15b0 [17139.919378][ T7704] ip6_route_info_create+0xf18/0x17d0 [17139.919378][ T7704] ip6_route_add+0x1c/0x140 [17139.919378][ T7704] addrconf_prefix_route+0x2a6/0x430 [17139.919378][ T7704] inet6_addr_add+0x4f8/0xa40 [17139.919378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17139.919378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17139.919378][ T7704] netlink_rcv_skb+0x130/0x360 [17139.919378][ T7704] netlink_unicast+0x449/0x710 [17139.919378][ T7704] netlink_sendmsg+0x723/0xbe0 [17139.919378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17139.919378][ T7704] ___sys_sendmsg+0xee/0x170 [17139.919378][ T7704] __sys_sendmsg+0xcd/0x170 [17139.919378][ T7704] do_syscall_64+0xc6/0x1e0 [17139.919378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17139.919378][ T7704] [17139.921673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17139.921673][ T7704] netdev_get_by_index+0x5e/0x80 [17139.921673][ T7704] fib6_nh_init+0x3d8/0x15b0 [17139.921673][ T7704] ip6_route_info_create+0xf18/0x17d0 [17139.921673][ T7704] addrconf_f6i_alloc+0x315/0x560 [17139.921673][ T7704] ipv6_add_addr+0x411/0x2000 [17139.921673][ T7704] inet6_addr_add+0x30e/0xa40 [17139.921673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17139.921673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17139.921673][ T7704] netlink_rcv_skb+0x130/0x360 [17139.921673][ T7704] netlink_unicast+0x449/0x710 [17139.921673][ T7704] netlink_sendmsg+0x723/0xbe0 [17139.921673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17139.921673][ T7704] ___sys_sendmsg+0xee/0x170 [17139.921673][ T7704] __sys_sendmsg+0xcd/0x170 [17139.921673][ T7704] do_syscall_64+0xc6/0x1e0 [17139.921673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17139.921673][ T7704] [17139.923934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17139.923934][ T7704] netdev_get_by_index+0x5e/0x80 [17139.923934][ T7704] fib6_nh_init+0x3d8/0x15b0 [17139.923934][ T7704] ip6_route_info_create+0xf18/0x17d0 [17139.923934][ T7704] ip6_route_add+0x1c/0x140 [17139.923934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17139.923934][ T7704] addrconf_add_dev+0xe2/0x170 [17139.923934][ T7704] inet6_addr_add+0x12f/0xa40 [17139.923934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17139.923934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17139.923934][ T7704] netlink_rcv_skb+0x130/0x360 [17139.923934][ T7704] netlink_unicast+0x449/0x710 [17139.923934][ T7704] netlink_sendmsg+0x723/0xbe0 [17139.923934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17139.923934][ T7704] ___sys_sendmsg+0xee/0x170 [17139.923934][ T7704] __sys_sendmsg+0xcd/0x170 [17139.923934][ T7704] do_syscall_64+0xc6/0x1e0 [17139.923934][ T7704] [17139.926180][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17139.926180][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17139.926180][ T7704] ipv6_find_idev+0x102/0x170 [17139.926180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17139.926180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17139.926180][ T7704] netlink_rcv_skb+0x130/0x360 [17139.926180][ T7704] netlink_unicast+0x449/0x710 [17139.926180][ T7704] netlink_sendmsg+0x723/0xbe0 [17139.926180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17139.926180][ T7704] ___sys_sendmsg+0xee/0x170 [17139.926180][ T7704] __sys_sendmsg+0xcd/0x170 [17139.926180][ T7704] do_syscall_64+0xc6/0x1e0 [17139.926180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17139.926180][ T7704] [17139.927959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17139.927959][ T7704] neigh_parms_alloc+0x1e5/0x510 [17139.927959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17139.927959][ T7704] ipv6_find_idev+0x102/0x170 [17139.927959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17139.927959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17139.927959][ T7704] netlink_rcv_skb+0x130/0x360 [17139.927959][ T7704] netlink_unicast+0x449/0x710 [17139.927959][ T7704] netlink_sendmsg+0x723/0xbe0 [17139.927959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17139.927959][ T7704] ___sys_sendmsg+0xee/0x170 [17139.927959][ T7704] __sys_sendmsg+0xcd/0x170 [17139.927959][ T7704] do_syscall_64+0xc6/0x1e0 [17139.927959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17139.927959][ T7704] [17150.046906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17150.047375][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17150.047375][ T7704] netdev_get_by_index+0x5e/0x80 [17150.047375][ T7704] fib6_nh_init+0x3d8/0x15b0 [17150.047375][ T7704] ip6_route_info_create+0xf18/0x17d0 [17150.047375][ T7704] ip6_route_add+0x1c/0x140 [17150.047375][ T7704] addrconf_prefix_route+0x2a6/0x430 [17150.047375][ T7704] inet6_addr_add+0x4f8/0xa40 [17150.047375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17150.047375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17150.047375][ T7704] netlink_rcv_skb+0x130/0x360 [17150.047375][ T7704] netlink_unicast+0x449/0x710 [17150.047375][ T7704] netlink_sendmsg+0x723/0xbe0 [17150.047375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17150.047375][ T7704] ___sys_sendmsg+0xee/0x170 [17150.047375][ T7704] __sys_sendmsg+0xcd/0x170 [17150.047375][ T7704] do_syscall_64+0xc6/0x1e0 [17150.047375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17150.047375][ T7704] [17150.049889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17150.049889][ T7704] netdev_get_by_index+0x5e/0x80 [17150.049889][ T7704] fib6_nh_init+0x3d8/0x15b0 [17150.049889][ T7704] ip6_route_info_create+0xf18/0x17d0 [17150.049889][ T7704] addrconf_f6i_alloc+0x315/0x560 [17150.049889][ T7704] ipv6_add_addr+0x411/0x2000 [17150.049889][ T7704] inet6_addr_add+0x30e/0xa40 [17150.049889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17150.049889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17150.049889][ T7704] netlink_rcv_skb+0x130/0x360 [17150.049889][ T7704] netlink_unicast+0x449/0x710 [17150.049889][ T7704] netlink_sendmsg+0x723/0xbe0 [17150.049889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17150.049889][ T7704] ___sys_sendmsg+0xee/0x170 [17150.049889][ T7704] __sys_sendmsg+0xcd/0x170 [17150.049889][ T7704] do_syscall_64+0xc6/0x1e0 [17150.049889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17150.049889][ T7704] [17150.052451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17150.052451][ T7704] netdev_get_by_index+0x5e/0x80 [17150.052451][ T7704] fib6_nh_init+0x3d8/0x15b0 [17150.052451][ T7704] ip6_route_info_create+0xf18/0x17d0 [17150.052451][ T7704] ip6_route_add+0x1c/0x140 [17150.052451][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17150.052451][ T7704] addrconf_add_dev+0xe2/0x170 [17150.052451][ T7704] inet6_addr_add+0x12f/0xa40 [17150.052451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17150.052451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17150.052451][ T7704] netlink_rcv_skb+0x130/0x360 [17150.052451][ T7704] netlink_unicast+0x449/0x710 [17150.052451][ T7704] netlink_sendmsg+0x723/0xbe0 [17150.052451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17150.052451][ T7704] ___sys_sendmsg+0xee/0x170 [17150.052451][ T7704] __sys_sendmsg+0xcd/0x170 [17150.052451][ T7704] do_syscall_64+0xc6/0x1e0 [17150.052451][ T7704] [17150.054901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17150.054901][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17150.054901][ T7704] ipv6_find_idev+0x102/0x170 [17150.054901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17150.054901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17150.054901][ T7704] netlink_rcv_skb+0x130/0x360 [17150.054901][ T7704] netlink_unicast+0x449/0x710 [17150.054901][ T7704] netlink_sendmsg+0x723/0xbe0 [17150.054901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17150.054901][ T7704] ___sys_sendmsg+0xee/0x170 [17150.054901][ T7704] __sys_sendmsg+0xcd/0x170 [17150.054901][ T7704] do_syscall_64+0xc6/0x1e0 [17150.054901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17150.054901][ T7704] [17150.056809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17150.056809][ T7704] neigh_parms_alloc+0x1e5/0x510 [17150.056809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17150.056809][ T7704] ipv6_find_idev+0x102/0x170 [17150.056809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17150.056809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17150.056809][ T7704] netlink_rcv_skb+0x130/0x360 [17150.056809][ T7704] netlink_unicast+0x449/0x710 [17150.056809][ T7704] netlink_sendmsg+0x723/0xbe0 [17150.056809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17150.056809][ T7704] ___sys_sendmsg+0xee/0x170 [17150.056809][ T7704] __sys_sendmsg+0xcd/0x170 [17150.056809][ T7704] do_syscall_64+0xc6/0x1e0 [17150.056809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17150.056809][ T7704] [17160.294975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17160.295474][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17160.295474][ T7704] netdev_get_by_index+0x5e/0x80 [17160.295474][ T7704] fib6_nh_init+0x3d8/0x15b0 [17160.295474][ T7704] ip6_route_info_create+0xf18/0x17d0 [17160.295474][ T7704] ip6_route_add+0x1c/0x140 [17160.295474][ T7704] addrconf_prefix_route+0x2a6/0x430 [17160.295474][ T7704] inet6_addr_add+0x4f8/0xa40 [17160.295474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17160.295474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17160.295474][ T7704] netlink_rcv_skb+0x130/0x360 [17160.295474][ T7704] netlink_unicast+0x449/0x710 [17160.295474][ T7704] netlink_sendmsg+0x723/0xbe0 [17160.295474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17160.295474][ T7704] ___sys_sendmsg+0xee/0x170 [17160.295474][ T7704] __sys_sendmsg+0xcd/0x170 [17160.295474][ T7704] do_syscall_64+0xc6/0x1e0 [17160.295474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17160.295474][ T7704] [17160.298214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17160.298214][ T7704] netdev_get_by_index+0x5e/0x80 [17160.298214][ T7704] fib6_nh_init+0x3d8/0x15b0 [17160.298214][ T7704] ip6_route_info_create+0xf18/0x17d0 [17160.298214][ T7704] addrconf_f6i_alloc+0x315/0x560 [17160.298214][ T7704] ipv6_add_addr+0x411/0x2000 [17160.298214][ T7704] inet6_addr_add+0x30e/0xa40 [17160.298214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17160.298214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17160.298214][ T7704] netlink_rcv_skb+0x130/0x360 [17160.298214][ T7704] netlink_unicast+0x449/0x710 [17160.298214][ T7704] netlink_sendmsg+0x723/0xbe0 [17160.298214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17160.298214][ T7704] ___sys_sendmsg+0xee/0x170 [17160.298214][ T7704] __sys_sendmsg+0xcd/0x170 [17160.298214][ T7704] do_syscall_64+0xc6/0x1e0 [17160.298214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17160.298214][ T7704] [17160.300944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17160.300944][ T7704] netdev_get_by_index+0x5e/0x80 [17160.300944][ T7704] fib6_nh_init+0x3d8/0x15b0 [17160.300944][ T7704] ip6_route_info_create+0xf18/0x17d0 [17160.300944][ T7704] ip6_route_add+0x1c/0x140 [17160.300944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17160.300944][ T7704] addrconf_add_dev+0xe2/0x170 [17160.300944][ T7704] inet6_addr_add+0x12f/0xa40 [17160.300944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17160.300944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17160.300944][ T7704] netlink_rcv_skb+0x130/0x360 [17160.300944][ T7704] netlink_unicast+0x449/0x710 [17160.300944][ T7704] netlink_sendmsg+0x723/0xbe0 [17160.300944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17160.300944][ T7704] ___sys_sendmsg+0xee/0x170 [17160.300944][ T7704] __sys_sendmsg+0xcd/0x170 [17160.300944][ T7704] do_syscall_64+0xc6/0x1e0 [17160.300944][ T7704] [17160.303619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17160.303619][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17160.303619][ T7704] ipv6_find_idev+0x102/0x170 [17160.303619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17160.303619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17160.303619][ T7704] netlink_rcv_skb+0x130/0x360 [17160.303619][ T7704] netlink_unicast+0x449/0x710 [17160.303619][ T7704] netlink_sendmsg+0x723/0xbe0 [17160.303619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17160.303619][ T7704] ___sys_sendmsg+0xee/0x170 [17160.303619][ T7704] __sys_sendmsg+0xcd/0x170 [17160.303619][ T7704] do_syscall_64+0xc6/0x1e0 [17160.303619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17160.303619][ T7704] [17160.305707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17160.305707][ T7704] neigh_parms_alloc+0x1e5/0x510 [17160.305707][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17160.305707][ T7704] ipv6_find_idev+0x102/0x170 [17160.305707][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17160.305707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17160.305707][ T7704] netlink_rcv_skb+0x130/0x360 [17160.305707][ T7704] netlink_unicast+0x449/0x710 [17160.305707][ T7704] netlink_sendmsg+0x723/0xbe0 [17160.305707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17160.305707][ T7704] ___sys_sendmsg+0xee/0x170 [17160.305707][ T7704] __sys_sendmsg+0xcd/0x170 [17160.305707][ T7704] do_syscall_64+0xc6/0x1e0 [17160.305707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17160.305707][ T7704] [17170.550882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17170.551378][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17170.551378][ T7704] netdev_get_by_index+0x5e/0x80 [17170.551378][ T7704] fib6_nh_init+0x3d8/0x15b0 [17170.551378][ T7704] ip6_route_info_create+0xf18/0x17d0 [17170.551378][ T7704] ip6_route_add+0x1c/0x140 [17170.551378][ T7704] addrconf_prefix_route+0x2a6/0x430 [17170.551378][ T7704] inet6_addr_add+0x4f8/0xa40 [17170.551378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17170.551378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17170.551378][ T7704] netlink_rcv_skb+0x130/0x360 [17170.551378][ T7704] netlink_unicast+0x449/0x710 [17170.551378][ T7704] netlink_sendmsg+0x723/0xbe0 [17170.551378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17170.551378][ T7704] ___sys_sendmsg+0xee/0x170 [17170.551378][ T7704] __sys_sendmsg+0xcd/0x170 [17170.551378][ T7704] do_syscall_64+0xc6/0x1e0 [17170.551378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17170.551378][ T7704] [17170.554218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17170.554218][ T7704] netdev_get_by_index+0x5e/0x80 [17170.554218][ T7704] fib6_nh_init+0x3d8/0x15b0 [17170.554218][ T7704] ip6_route_info_create+0xf18/0x17d0 [17170.554218][ T7704] addrconf_f6i_alloc+0x315/0x560 [17170.554218][ T7704] ipv6_add_addr+0x411/0x2000 [17170.554218][ T7704] inet6_addr_add+0x30e/0xa40 [17170.554218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17170.554218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17170.554218][ T7704] netlink_rcv_skb+0x130/0x360 [17170.554218][ T7704] netlink_unicast+0x449/0x710 [17170.554218][ T7704] netlink_sendmsg+0x723/0xbe0 [17170.554218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17170.554218][ T7704] ___sys_sendmsg+0xee/0x170 [17170.554218][ T7704] __sys_sendmsg+0xcd/0x170 [17170.554218][ T7704] do_syscall_64+0xc6/0x1e0 [17170.554218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17170.554218][ T7704] [17170.556426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17170.556426][ T7704] netdev_get_by_index+0x5e/0x80 [17170.556426][ T7704] fib6_nh_init+0x3d8/0x15b0 [17170.556426][ T7704] ip6_route_info_create+0xf18/0x17d0 [17170.556426][ T7704] ip6_route_add+0x1c/0x140 [17170.556426][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17170.556426][ T7704] addrconf_add_dev+0xe2/0x170 [17170.556426][ T7704] inet6_addr_add+0x12f/0xa40 [17170.556426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17170.556426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17170.556426][ T7704] netlink_rcv_skb+0x130/0x360 [17170.556426][ T7704] netlink_unicast+0x449/0x710 [17170.556426][ T7704] netlink_sendmsg+0x723/0xbe0 [17170.556426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17170.556426][ T7704] ___sys_sendmsg+0xee/0x170 [17170.556426][ T7704] __sys_sendmsg+0xcd/0x170 [17170.556426][ T7704] do_syscall_64+0xc6/0x1e0 [17170.556426][ T7704] [17170.558614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17170.558614][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17170.558614][ T7704] ipv6_find_idev+0x102/0x170 [17170.558614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17170.558614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17170.558614][ T7704] netlink_rcv_skb+0x130/0x360 [17170.558614][ T7704] netlink_unicast+0x449/0x710 [17170.558614][ T7704] netlink_sendmsg+0x723/0xbe0 [17170.558614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17170.558614][ T7704] ___sys_sendmsg+0xee/0x170 [17170.558614][ T7704] __sys_sendmsg+0xcd/0x170 [17170.558614][ T7704] do_syscall_64+0xc6/0x1e0 [17170.558614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17170.558614][ T7704] [17170.560332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17170.560332][ T7704] neigh_parms_alloc+0x1e5/0x510 [17170.560332][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17170.560332][ T7704] ipv6_find_idev+0x102/0x170 [17170.560332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17170.560332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17170.560332][ T7704] netlink_rcv_skb+0x130/0x360 [17170.560332][ T7704] netlink_unicast+0x449/0x710 [17170.560332][ T7704] netlink_sendmsg+0x723/0xbe0 [17170.560332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17170.560332][ T7704] ___sys_sendmsg+0xee/0x170 [17170.560332][ T7704] __sys_sendmsg+0xcd/0x170 [17170.560332][ T7704] do_syscall_64+0xc6/0x1e0 [17170.560332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17170.560332][ T7704] [17180.798941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17180.799432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17180.799432][ T7704] netdev_get_by_index+0x5e/0x80 [17180.799432][ T7704] fib6_nh_init+0x3d8/0x15b0 [17180.799432][ T7704] ip6_route_info_create+0xf18/0x17d0 [17180.799432][ T7704] ip6_route_add+0x1c/0x140 [17180.799432][ T7704] addrconf_prefix_route+0x2a6/0x430 [17180.799432][ T7704] inet6_addr_add+0x4f8/0xa40 [17180.799432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17180.799432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17180.799432][ T7704] netlink_rcv_skb+0x130/0x360 [17180.799432][ T7704] netlink_unicast+0x449/0x710 [17180.799432][ T7704] netlink_sendmsg+0x723/0xbe0 [17180.799432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17180.799432][ T7704] ___sys_sendmsg+0xee/0x170 [17180.799432][ T7704] __sys_sendmsg+0xcd/0x170 [17180.799432][ T7704] do_syscall_64+0xc6/0x1e0 [17180.799432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17180.799432][ T7704] [17180.801712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17180.801712][ T7704] netdev_get_by_index+0x5e/0x80 [17180.801712][ T7704] fib6_nh_init+0x3d8/0x15b0 [17180.801712][ T7704] ip6_route_info_create+0xf18/0x17d0 [17180.801712][ T7704] addrconf_f6i_alloc+0x315/0x560 [17180.801712][ T7704] ipv6_add_addr+0x411/0x2000 [17180.801712][ T7704] inet6_addr_add+0x30e/0xa40 [17180.801712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17180.801712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17180.801712][ T7704] netlink_rcv_skb+0x130/0x360 [17180.801712][ T7704] netlink_unicast+0x449/0x710 [17180.801712][ T7704] netlink_sendmsg+0x723/0xbe0 [17180.801712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17180.801712][ T7704] ___sys_sendmsg+0xee/0x170 [17180.801712][ T7704] __sys_sendmsg+0xcd/0x170 [17180.801712][ T7704] do_syscall_64+0xc6/0x1e0 [17180.801712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17180.801712][ T7704] [17180.803926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17180.803926][ T7704] netdev_get_by_index+0x5e/0x80 [17180.803926][ T7704] fib6_nh_init+0x3d8/0x15b0 [17180.803926][ T7704] ip6_route_info_create+0xf18/0x17d0 [17180.803926][ T7704] ip6_route_add+0x1c/0x140 [17180.803926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17180.803926][ T7704] addrconf_add_dev+0xe2/0x170 [17180.803926][ T7704] inet6_addr_add+0x12f/0xa40 [17180.803926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17180.803926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17180.803926][ T7704] netlink_rcv_skb+0x130/0x360 [17180.803926][ T7704] netlink_unicast+0x449/0x710 [17180.803926][ T7704] netlink_sendmsg+0x723/0xbe0 [17180.803926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17180.803926][ T7704] ___sys_sendmsg+0xee/0x170 [17180.803926][ T7704] __sys_sendmsg+0xcd/0x170 [17180.803926][ T7704] do_syscall_64+0xc6/0x1e0 [17180.803926][ T7704] [17180.806107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17180.806107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17180.806107][ T7704] ipv6_find_idev+0x102/0x170 [17180.806107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17180.806107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17180.806107][ T7704] netlink_rcv_skb+0x130/0x360 [17180.806107][ T7704] netlink_unicast+0x449/0x710 [17180.806107][ T7704] netlink_sendmsg+0x723/0xbe0 [17180.806107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17180.806107][ T7704] ___sys_sendmsg+0xee/0x170 [17180.806107][ T7704] __sys_sendmsg+0xcd/0x170 [17180.806107][ T7704] do_syscall_64+0xc6/0x1e0 [17180.806107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17180.806107][ T7704] [17180.807813][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17180.807813][ T7704] neigh_parms_alloc+0x1e5/0x510 [17180.807813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17180.807813][ T7704] ipv6_find_idev+0x102/0x170 [17180.807813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17180.807813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17180.807813][ T7704] netlink_rcv_skb+0x130/0x360 [17180.807813][ T7704] netlink_unicast+0x449/0x710 [17180.807813][ T7704] netlink_sendmsg+0x723/0xbe0 [17180.807813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17180.807813][ T7704] ___sys_sendmsg+0xee/0x170 [17180.807813][ T7704] __sys_sendmsg+0xcd/0x170 [17180.807813][ T7704] do_syscall_64+0xc6/0x1e0 [17180.807813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17180.807813][ T7704] [17190.975015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17190.975561][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17190.975561][ T7704] netdev_get_by_index+0x5e/0x80 [17190.975561][ T7704] fib6_nh_init+0x3d8/0x15b0 [17190.975561][ T7704] ip6_route_info_create+0xf18/0x17d0 [17190.975561][ T7704] ip6_route_add+0x1c/0x140 [17190.975561][ T7704] addrconf_prefix_route+0x2a6/0x430 [17190.975561][ T7704] inet6_addr_add+0x4f8/0xa40 [17190.975561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17190.975561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17190.975561][ T7704] netlink_rcv_skb+0x130/0x360 [17190.975561][ T7704] netlink_unicast+0x449/0x710 [17190.975561][ T7704] netlink_sendmsg+0x723/0xbe0 [17190.975561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17190.975561][ T7704] ___sys_sendmsg+0xee/0x170 [17190.975561][ T7704] __sys_sendmsg+0xcd/0x170 [17190.975561][ T7704] do_syscall_64+0xc6/0x1e0 [17190.975561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17190.975561][ T7704] [17190.977811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17190.977811][ T7704] netdev_get_by_index+0x5e/0x80 [17190.977811][ T7704] fib6_nh_init+0x3d8/0x15b0 [17190.977811][ T7704] ip6_route_info_create+0xf18/0x17d0 [17190.977811][ T7704] addrconf_f6i_alloc+0x315/0x560 [17190.977811][ T7704] ipv6_add_addr+0x411/0x2000 [17190.977811][ T7704] inet6_addr_add+0x30e/0xa40 [17190.977811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17190.977811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17190.977811][ T7704] netlink_rcv_skb+0x130/0x360 [17190.977811][ T7704] netlink_unicast+0x449/0x710 [17190.977811][ T7704] netlink_sendmsg+0x723/0xbe0 [17190.977811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17190.977811][ T7704] ___sys_sendmsg+0xee/0x170 [17190.977811][ T7704] __sys_sendmsg+0xcd/0x170 [17190.977811][ T7704] do_syscall_64+0xc6/0x1e0 [17190.977811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17190.977811][ T7704] [17190.980126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17190.980126][ T7704] netdev_get_by_index+0x5e/0x80 [17190.980126][ T7704] fib6_nh_init+0x3d8/0x15b0 [17190.980126][ T7704] ip6_route_info_create+0xf18/0x17d0 [17190.980126][ T7704] ip6_route_add+0x1c/0x140 [17190.980126][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17190.980126][ T7704] addrconf_add_dev+0xe2/0x170 [17190.980126][ T7704] inet6_addr_add+0x12f/0xa40 [17190.980126][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17190.980126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17190.980126][ T7704] netlink_rcv_skb+0x130/0x360 [17190.980126][ T7704] netlink_unicast+0x449/0x710 [17190.980126][ T7704] netlink_sendmsg+0x723/0xbe0 [17190.980126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17190.980126][ T7704] ___sys_sendmsg+0xee/0x170 [17190.980126][ T7704] __sys_sendmsg+0xcd/0x170 [17190.980126][ T7704] do_syscall_64+0xc6/0x1e0 [17190.980126][ T7704] [17190.982806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17190.982806][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17190.982806][ T7704] ipv6_find_idev+0x102/0x170 [17190.982806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17190.982806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17190.982806][ T7704] netlink_rcv_skb+0x130/0x360 [17190.982806][ T7704] netlink_unicast+0x449/0x710 [17190.982806][ T7704] netlink_sendmsg+0x723/0xbe0 [17190.982806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17190.982806][ T7704] ___sys_sendmsg+0xee/0x170 [17190.982806][ T7704] __sys_sendmsg+0xcd/0x170 [17190.982806][ T7704] do_syscall_64+0xc6/0x1e0 [17190.982806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17190.982806][ T7704] [17190.984909][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17190.984909][ T7704] neigh_parms_alloc+0x1e5/0x510 [17190.984909][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17190.984909][ T7704] ipv6_find_idev+0x102/0x170 [17190.984909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17190.984909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17190.984909][ T7704] netlink_rcv_skb+0x130/0x360 [17190.984909][ T7704] netlink_unicast+0x449/0x710 [17190.984909][ T7704] netlink_sendmsg+0x723/0xbe0 [17190.984909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17190.984909][ T7704] ___sys_sendmsg+0xee/0x170 [17190.984909][ T7704] __sys_sendmsg+0xcd/0x170 [17190.984909][ T7704] do_syscall_64+0xc6/0x1e0 [17190.984909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17190.984909][ T7704] [17201.087002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17201.087640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17201.087640][ T7704] netdev_get_by_index+0x5e/0x80 [17201.087640][ T7704] fib6_nh_init+0x3d8/0x15b0 [17201.087640][ T7704] ip6_route_info_create+0xf18/0x17d0 [17201.087640][ T7704] ip6_route_add+0x1c/0x140 [17201.087640][ T7704] addrconf_prefix_route+0x2a6/0x430 [17201.087640][ T7704] inet6_addr_add+0x4f8/0xa40 [17201.087640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17201.087640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17201.087640][ T7704] netlink_rcv_skb+0x130/0x360 [17201.087640][ T7704] netlink_unicast+0x449/0x710 [17201.087640][ T7704] netlink_sendmsg+0x723/0xbe0 [17201.087640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17201.087640][ T7704] ___sys_sendmsg+0xee/0x170 [17201.087640][ T7704] __sys_sendmsg+0xcd/0x170 [17201.087640][ T7704] do_syscall_64+0xc6/0x1e0 [17201.087640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17201.087640][ T7704] [17201.089847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17201.089847][ T7704] netdev_get_by_index+0x5e/0x80 [17201.089847][ T7704] fib6_nh_init+0x3d8/0x15b0 [17201.089847][ T7704] ip6_route_info_create+0xf18/0x17d0 [17201.089847][ T7704] addrconf_f6i_alloc+0x315/0x560 [17201.089847][ T7704] ipv6_add_addr+0x411/0x2000 [17201.089847][ T7704] inet6_addr_add+0x30e/0xa40 [17201.089847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17201.089847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17201.089847][ T7704] netlink_rcv_skb+0x130/0x360 [17201.089847][ T7704] netlink_unicast+0x449/0x710 [17201.089847][ T7704] netlink_sendmsg+0x723/0xbe0 [17201.089847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17201.089847][ T7704] ___sys_sendmsg+0xee/0x170 [17201.089847][ T7704] __sys_sendmsg+0xcd/0x170 [17201.089847][ T7704] do_syscall_64+0xc6/0x1e0 [17201.089847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17201.089847][ T7704] [17201.092120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17201.092120][ T7704] netdev_get_by_index+0x5e/0x80 [17201.092120][ T7704] fib6_nh_init+0x3d8/0x15b0 [17201.092120][ T7704] ip6_route_info_create+0xf18/0x17d0 [17201.092120][ T7704] ip6_route_add+0x1c/0x140 [17201.092120][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17201.092120][ T7704] addrconf_add_dev+0xe2/0x170 [17201.092120][ T7704] inet6_addr_add+0x12f/0xa40 [17201.092120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17201.092120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17201.092120][ T7704] netlink_rcv_skb+0x130/0x360 [17201.092120][ T7704] netlink_unicast+0x449/0x710 [17201.092120][ T7704] netlink_sendmsg+0x723/0xbe0 [17201.092120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17201.092120][ T7704] ___sys_sendmsg+0xee/0x170 [17201.092120][ T7704] __sys_sendmsg+0xcd/0x170 [17201.092120][ T7704] do_syscall_64+0xc6/0x1e0 [17201.092120][ T7704] [17201.094335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17201.094335][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17201.094335][ T7704] ipv6_find_idev+0x102/0x170 [17201.094335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17201.094335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17201.094335][ T7704] netlink_rcv_skb+0x130/0x360 [17201.094335][ T7704] netlink_unicast+0x449/0x710 [17201.094335][ T7704] netlink_sendmsg+0x723/0xbe0 [17201.094335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17201.094335][ T7704] ___sys_sendmsg+0xee/0x170 [17201.094335][ T7704] __sys_sendmsg+0xcd/0x170 [17201.094335][ T7704] do_syscall_64+0xc6/0x1e0 [17201.094335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17201.094335][ T7704] [17201.096006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17201.096006][ T7704] neigh_parms_alloc+0x1e5/0x510 [17201.096006][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17201.096006][ T7704] ipv6_find_idev+0x102/0x170 [17201.096006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17201.096006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17201.096006][ T7704] netlink_rcv_skb+0x130/0x360 [17201.096006][ T7704] netlink_unicast+0x449/0x710 [17201.096006][ T7704] netlink_sendmsg+0x723/0xbe0 [17201.096006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17201.096006][ T7704] ___sys_sendmsg+0xee/0x170 [17201.096006][ T7704] __sys_sendmsg+0xcd/0x170 [17201.096006][ T7704] do_syscall_64+0xc6/0x1e0 [17201.096006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17201.096006][ T7704] [17211.334951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17211.335473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17211.335473][ T7704] netdev_get_by_index+0x5e/0x80 [17211.335473][ T7704] fib6_nh_init+0x3d8/0x15b0 [17211.335473][ T7704] ip6_route_info_create+0xf18/0x17d0 [17211.335473][ T7704] ip6_route_add+0x1c/0x140 [17211.335473][ T7704] addrconf_prefix_route+0x2a6/0x430 [17211.335473][ T7704] inet6_addr_add+0x4f8/0xa40 [17211.335473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17211.335473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17211.335473][ T7704] netlink_rcv_skb+0x130/0x360 [17211.335473][ T7704] netlink_unicast+0x449/0x710 [17211.335473][ T7704] netlink_sendmsg+0x723/0xbe0 [17211.335473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17211.335473][ T7704] ___sys_sendmsg+0xee/0x170 [17211.335473][ T7704] __sys_sendmsg+0xcd/0x170 [17211.335473][ T7704] do_syscall_64+0xc6/0x1e0 [17211.335473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17211.335473][ T7704] [17211.337780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17211.337780][ T7704] netdev_get_by_index+0x5e/0x80 [17211.337780][ T7704] fib6_nh_init+0x3d8/0x15b0 [17211.337780][ T7704] ip6_route_info_create+0xf18/0x17d0 [17211.337780][ T7704] addrconf_f6i_alloc+0x315/0x560 [17211.337780][ T7704] ipv6_add_addr+0x411/0x2000 [17211.337780][ T7704] inet6_addr_add+0x30e/0xa40 [17211.337780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17211.337780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17211.337780][ T7704] netlink_rcv_skb+0x130/0x360 [17211.337780][ T7704] netlink_unicast+0x449/0x710 [17211.337780][ T7704] netlink_sendmsg+0x723/0xbe0 [17211.337780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17211.337780][ T7704] ___sys_sendmsg+0xee/0x170 [17211.337780][ T7704] __sys_sendmsg+0xcd/0x170 [17211.337780][ T7704] do_syscall_64+0xc6/0x1e0 [17211.337780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17211.337780][ T7704] [17211.340069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17211.340069][ T7704] netdev_get_by_index+0x5e/0x80 [17211.340069][ T7704] fib6_nh_init+0x3d8/0x15b0 [17211.340069][ T7704] ip6_route_info_create+0xf18/0x17d0 [17211.340069][ T7704] ip6_route_add+0x1c/0x140 [17211.340069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17211.340069][ T7704] addrconf_add_dev+0xe2/0x170 [17211.340069][ T7704] inet6_addr_add+0x12f/0xa40 [17211.340069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17211.340069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17211.340069][ T7704] netlink_rcv_skb+0x130/0x360 [17211.340069][ T7704] netlink_unicast+0x449/0x710 [17211.340069][ T7704] netlink_sendmsg+0x723/0xbe0 [17211.340069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17211.340069][ T7704] ___sys_sendmsg+0xee/0x170 [17211.340069][ T7704] __sys_sendmsg+0xcd/0x170 [17211.340069][ T7704] do_syscall_64+0xc6/0x1e0 [17211.340069][ T7704] [17211.342249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17211.342249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17211.342249][ T7704] ipv6_find_idev+0x102/0x170 [17211.342249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17211.342249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17211.342249][ T7704] netlink_rcv_skb+0x130/0x360 [17211.342249][ T7704] netlink_unicast+0x449/0x710 [17211.342249][ T7704] netlink_sendmsg+0x723/0xbe0 [17211.342249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17211.342249][ T7704] ___sys_sendmsg+0xee/0x170 [17211.342249][ T7704] __sys_sendmsg+0xcd/0x170 [17211.342249][ T7704] do_syscall_64+0xc6/0x1e0 [17211.342249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17211.342249][ T7704] [17211.343958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17211.343958][ T7704] neigh_parms_alloc+0x1e5/0x510 [17211.343958][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17211.343958][ T7704] ipv6_find_idev+0x102/0x170 [17211.343958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17211.343958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17211.343958][ T7704] netlink_rcv_skb+0x130/0x360 [17211.343958][ T7704] netlink_unicast+0x449/0x710 [17211.343958][ T7704] netlink_sendmsg+0x723/0xbe0 [17211.343958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17211.343958][ T7704] ___sys_sendmsg+0xee/0x170 [17211.343958][ T7704] __sys_sendmsg+0xcd/0x170 [17211.343958][ T7704] do_syscall_64+0xc6/0x1e0 [17211.343958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17211.343958][ T7704] [17221.582998][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17221.583598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17221.583598][ T7704] netdev_get_by_index+0x5e/0x80 [17221.583598][ T7704] fib6_nh_init+0x3d8/0x15b0 [17221.583598][ T7704] ip6_route_info_create+0xf18/0x17d0 [17221.583598][ T7704] ip6_route_add+0x1c/0x140 [17221.583598][ T7704] addrconf_prefix_route+0x2a6/0x430 [17221.583598][ T7704] inet6_addr_add+0x4f8/0xa40 [17221.583598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17221.583598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17221.583598][ T7704] netlink_rcv_skb+0x130/0x360 [17221.583598][ T7704] netlink_unicast+0x449/0x710 [17221.583598][ T7704] netlink_sendmsg+0x723/0xbe0 [17221.583598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17221.583598][ T7704] ___sys_sendmsg+0xee/0x170 [17221.583598][ T7704] __sys_sendmsg+0xcd/0x170 [17221.583598][ T7704] do_syscall_64+0xc6/0x1e0 [17221.583598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17221.583598][ T7704] [17221.585832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17221.585832][ T7704] netdev_get_by_index+0x5e/0x80 [17221.585832][ T7704] fib6_nh_init+0x3d8/0x15b0 [17221.585832][ T7704] ip6_route_info_create+0xf18/0x17d0 [17221.585832][ T7704] addrconf_f6i_alloc+0x315/0x560 [17221.585832][ T7704] ipv6_add_addr+0x411/0x2000 [17221.585832][ T7704] inet6_addr_add+0x30e/0xa40 [17221.585832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17221.585832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17221.585832][ T7704] netlink_rcv_skb+0x130/0x360 [17221.585832][ T7704] netlink_unicast+0x449/0x710 [17221.585832][ T7704] netlink_sendmsg+0x723/0xbe0 [17221.585832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17221.585832][ T7704] ___sys_sendmsg+0xee/0x170 [17221.585832][ T7704] __sys_sendmsg+0xcd/0x170 [17221.585832][ T7704] do_syscall_64+0xc6/0x1e0 [17221.585832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17221.585832][ T7704] [17221.588074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17221.588074][ T7704] netdev_get_by_index+0x5e/0x80 [17221.588074][ T7704] fib6_nh_init+0x3d8/0x15b0 [17221.588074][ T7704] ip6_route_info_create+0xf18/0x17d0 [17221.588074][ T7704] ip6_route_add+0x1c/0x140 [17221.588074][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17221.588074][ T7704] addrconf_add_dev+0xe2/0x170 [17221.588074][ T7704] inet6_addr_add+0x12f/0xa40 [17221.588074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17221.588074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17221.588074][ T7704] netlink_rcv_skb+0x130/0x360 [17221.588074][ T7704] netlink_unicast+0x449/0x710 [17221.588074][ T7704] netlink_sendmsg+0x723/0xbe0 [17221.588074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17221.588074][ T7704] ___sys_sendmsg+0xee/0x170 [17221.588074][ T7704] __sys_sendmsg+0xcd/0x170 [17221.588074][ T7704] do_syscall_64+0xc6/0x1e0 [17221.588074][ T7704] [17221.590241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17221.590241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17221.590241][ T7704] ipv6_find_idev+0x102/0x170 [17221.590241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17221.590241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17221.590241][ T7704] netlink_rcv_skb+0x130/0x360 [17221.590241][ T7704] netlink_unicast+0x449/0x710 [17221.590241][ T7704] netlink_sendmsg+0x723/0xbe0 [17221.590241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17221.590241][ T7704] ___sys_sendmsg+0xee/0x170 [17221.590241][ T7704] __sys_sendmsg+0xcd/0x170 [17221.590241][ T7704] do_syscall_64+0xc6/0x1e0 [17221.590241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17221.590241][ T7704] [17221.591902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17221.591902][ T7704] neigh_parms_alloc+0x1e5/0x510 [17221.591902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17221.591902][ T7704] ipv6_find_idev+0x102/0x170 [17221.591902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17221.591902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17221.591902][ T7704] netlink_rcv_skb+0x130/0x360 [17221.591902][ T7704] netlink_unicast+0x449/0x710 [17221.591902][ T7704] netlink_sendmsg+0x723/0xbe0 [17221.591902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17221.591902][ T7704] ___sys_sendmsg+0xee/0x170 [17221.591902][ T7704] __sys_sendmsg+0xcd/0x170 [17221.591902][ T7704] do_syscall_64+0xc6/0x1e0 [17221.591902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17221.591902][ T7704] [17231.830892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17231.831424][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17231.831424][ T7704] netdev_get_by_index+0x5e/0x80 [17231.831424][ T7704] fib6_nh_init+0x3d8/0x15b0 [17231.831424][ T7704] ip6_route_info_create+0xf18/0x17d0 [17231.831424][ T7704] ip6_route_add+0x1c/0x140 [17231.831424][ T7704] addrconf_prefix_route+0x2a6/0x430 [17231.831424][ T7704] inet6_addr_add+0x4f8/0xa40 [17231.831424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17231.831424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17231.831424][ T7704] netlink_rcv_skb+0x130/0x360 [17231.831424][ T7704] netlink_unicast+0x449/0x710 [17231.831424][ T7704] netlink_sendmsg+0x723/0xbe0 [17231.831424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17231.831424][ T7704] ___sys_sendmsg+0xee/0x170 [17231.831424][ T7704] __sys_sendmsg+0xcd/0x170 [17231.831424][ T7704] do_syscall_64+0xc6/0x1e0 [17231.831424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17231.831424][ T7704] [17231.833687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17231.833687][ T7704] netdev_get_by_index+0x5e/0x80 [17231.833687][ T7704] fib6_nh_init+0x3d8/0x15b0 [17231.833687][ T7704] ip6_route_info_create+0xf18/0x17d0 [17231.833687][ T7704] addrconf_f6i_alloc+0x315/0x560 [17231.833687][ T7704] ipv6_add_addr+0x411/0x2000 [17231.833687][ T7704] inet6_addr_add+0x30e/0xa40 [17231.833687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17231.833687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17231.833687][ T7704] netlink_rcv_skb+0x130/0x360 [17231.833687][ T7704] netlink_unicast+0x449/0x710 [17231.833687][ T7704] netlink_sendmsg+0x723/0xbe0 [17231.833687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17231.833687][ T7704] ___sys_sendmsg+0xee/0x170 [17231.833687][ T7704] __sys_sendmsg+0xcd/0x170 [17231.833687][ T7704] do_syscall_64+0xc6/0x1e0 [17231.833687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17231.833687][ T7704] [17231.835916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17231.835916][ T7704] netdev_get_by_index+0x5e/0x80 [17231.835916][ T7704] fib6_nh_init+0x3d8/0x15b0 [17231.835916][ T7704] ip6_route_info_create+0xf18/0x17d0 [17231.835916][ T7704] ip6_route_add+0x1c/0x140 [17231.835916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17231.835916][ T7704] addrconf_add_dev+0xe2/0x170 [17231.835916][ T7704] inet6_addr_add+0x12f/0xa40 [17231.835916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17231.835916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17231.835916][ T7704] netlink_rcv_skb+0x130/0x360 [17231.835916][ T7704] netlink_unicast+0x449/0x710 [17231.835916][ T7704] netlink_sendmsg+0x723/0xbe0 [17231.835916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17231.835916][ T7704] ___sys_sendmsg+0xee/0x170 [17231.835916][ T7704] __sys_sendmsg+0xcd/0x170 [17231.835916][ T7704] do_syscall_64+0xc6/0x1e0 [17231.835916][ T7704] [17231.838108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17231.838108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17231.838108][ T7704] ipv6_find_idev+0x102/0x170 [17231.838108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17231.838108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17231.838108][ T7704] netlink_rcv_skb+0x130/0x360 [17231.838108][ T7704] netlink_unicast+0x449/0x710 [17231.838108][ T7704] netlink_sendmsg+0x723/0xbe0 [17231.838108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17231.838108][ T7704] ___sys_sendmsg+0xee/0x170 [17231.838108][ T7704] __sys_sendmsg+0xcd/0x170 [17231.838108][ T7704] do_syscall_64+0xc6/0x1e0 [17231.838108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17231.838108][ T7704] [17231.839828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17231.839828][ T7704] neigh_parms_alloc+0x1e5/0x510 [17231.839828][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17231.839828][ T7704] ipv6_find_idev+0x102/0x170 [17231.839828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17231.839828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17231.839828][ T7704] netlink_rcv_skb+0x130/0x360 [17231.839828][ T7704] netlink_unicast+0x449/0x710 [17231.839828][ T7704] netlink_sendmsg+0x723/0xbe0 [17231.839828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17231.839828][ T7704] ___sys_sendmsg+0xee/0x170 [17231.839828][ T7704] __sys_sendmsg+0xcd/0x170 [17231.839828][ T7704] do_syscall_64+0xc6/0x1e0 [17231.839828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17231.839828][ T7704] [17242.079005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17242.079518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17242.079518][ T7704] netdev_get_by_index+0x5e/0x80 [17242.079518][ T7704] fib6_nh_init+0x3d8/0x15b0 [17242.079518][ T7704] ip6_route_info_create+0xf18/0x17d0 [17242.079518][ T7704] ip6_route_add+0x1c/0x140 [17242.079518][ T7704] addrconf_prefix_route+0x2a6/0x430 [17242.079518][ T7704] inet6_addr_add+0x4f8/0xa40 [17242.079518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17242.079518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17242.079518][ T7704] netlink_rcv_skb+0x130/0x360 [17242.079518][ T7704] netlink_unicast+0x449/0x710 [17242.079518][ T7704] netlink_sendmsg+0x723/0xbe0 [17242.079518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17242.079518][ T7704] ___sys_sendmsg+0xee/0x170 [17242.079518][ T7704] __sys_sendmsg+0xcd/0x170 [17242.079518][ T7704] do_syscall_64+0xc6/0x1e0 [17242.079518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17242.079518][ T7704] [17242.081765][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17242.081765][ T7704] netdev_get_by_index+0x5e/0x80 [17242.081765][ T7704] fib6_nh_init+0x3d8/0x15b0 [17242.081765][ T7704] ip6_route_info_create+0xf18/0x17d0 [17242.081765][ T7704] addrconf_f6i_alloc+0x315/0x560 [17242.081765][ T7704] ipv6_add_addr+0x411/0x2000 [17242.081765][ T7704] inet6_addr_add+0x30e/0xa40 [17242.081765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17242.081765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17242.081765][ T7704] netlink_rcv_skb+0x130/0x360 [17242.081765][ T7704] netlink_unicast+0x449/0x710 [17242.081765][ T7704] netlink_sendmsg+0x723/0xbe0 [17242.081765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17242.081765][ T7704] ___sys_sendmsg+0xee/0x170 [17242.081765][ T7704] __sys_sendmsg+0xcd/0x170 [17242.081765][ T7704] do_syscall_64+0xc6/0x1e0 [17242.081765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17242.081765][ T7704] [17242.083992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17242.083992][ T7704] netdev_get_by_index+0x5e/0x80 [17242.083992][ T7704] fib6_nh_init+0x3d8/0x15b0 [17242.083992][ T7704] ip6_route_info_create+0xf18/0x17d0 [17242.083992][ T7704] ip6_route_add+0x1c/0x140 [17242.083992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17242.083992][ T7704] addrconf_add_dev+0xe2/0x170 [17242.083992][ T7704] inet6_addr_add+0x12f/0xa40 [17242.083992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17242.083992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17242.083992][ T7704] netlink_rcv_skb+0x130/0x360 [17242.083992][ T7704] netlink_unicast+0x449/0x710 [17242.083992][ T7704] netlink_sendmsg+0x723/0xbe0 [17242.083992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17242.083992][ T7704] ___sys_sendmsg+0xee/0x170 [17242.083992][ T7704] __sys_sendmsg+0xcd/0x170 [17242.083992][ T7704] do_syscall_64+0xc6/0x1e0 [17242.083992][ T7704] [17242.086119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17242.086119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17242.086119][ T7704] ipv6_find_idev+0x102/0x170 [17242.086119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17242.086119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17242.086119][ T7704] netlink_rcv_skb+0x130/0x360 [17242.086119][ T7704] netlink_unicast+0x449/0x710 [17242.086119][ T7704] netlink_sendmsg+0x723/0xbe0 [17242.086119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17242.086119][ T7704] ___sys_sendmsg+0xee/0x170 [17242.086119][ T7704] __sys_sendmsg+0xcd/0x170 [17242.086119][ T7704] do_syscall_64+0xc6/0x1e0 [17242.086119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17242.086119][ T7704] [17242.087786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17242.087786][ T7704] neigh_parms_alloc+0x1e5/0x510 [17242.087786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17242.087786][ T7704] ipv6_find_idev+0x102/0x170 [17242.087786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17242.087786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17242.087786][ T7704] netlink_rcv_skb+0x130/0x360 [17242.087786][ T7704] netlink_unicast+0x449/0x710 [17242.087786][ T7704] netlink_sendmsg+0x723/0xbe0 [17242.087786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17242.087786][ T7704] ___sys_sendmsg+0xee/0x170 [17242.087786][ T7704] __sys_sendmsg+0xcd/0x170 [17242.087786][ T7704] do_syscall_64+0xc6/0x1e0 [17242.087786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17242.087786][ T7704] [17252.326948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17252.327480][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17252.327480][ T7704] netdev_get_by_index+0x5e/0x80 [17252.327480][ T7704] fib6_nh_init+0x3d8/0x15b0 [17252.327480][ T7704] ip6_route_info_create+0xf18/0x17d0 [17252.327480][ T7704] ip6_route_add+0x1c/0x140 [17252.327480][ T7704] addrconf_prefix_route+0x2a6/0x430 [17252.327480][ T7704] inet6_addr_add+0x4f8/0xa40 [17252.327480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17252.327480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17252.327480][ T7704] netlink_rcv_skb+0x130/0x360 [17252.327480][ T7704] netlink_unicast+0x449/0x710 [17252.327480][ T7704] netlink_sendmsg+0x723/0xbe0 [17252.327480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17252.327480][ T7704] ___sys_sendmsg+0xee/0x170 [17252.327480][ T7704] __sys_sendmsg+0xcd/0x170 [17252.327480][ T7704] do_syscall_64+0xc6/0x1e0 [17252.327480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17252.327480][ T7704] [17252.329777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17252.329777][ T7704] netdev_get_by_index+0x5e/0x80 [17252.329777][ T7704] fib6_nh_init+0x3d8/0x15b0 [17252.329777][ T7704] ip6_route_info_create+0xf18/0x17d0 [17252.329777][ T7704] addrconf_f6i_alloc+0x315/0x560 [17252.329777][ T7704] ipv6_add_addr+0x411/0x2000 [17252.329777][ T7704] inet6_addr_add+0x30e/0xa40 [17252.329777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17252.329777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17252.329777][ T7704] netlink_rcv_skb+0x130/0x360 [17252.329777][ T7704] netlink_unicast+0x449/0x710 [17252.329777][ T7704] netlink_sendmsg+0x723/0xbe0 [17252.329777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17252.329777][ T7704] ___sys_sendmsg+0xee/0x170 [17252.329777][ T7704] __sys_sendmsg+0xcd/0x170 [17252.329777][ T7704] do_syscall_64+0xc6/0x1e0 [17252.329777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17252.329777][ T7704] [17252.332028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17252.332028][ T7704] netdev_get_by_index+0x5e/0x80 [17252.332028][ T7704] fib6_nh_init+0x3d8/0x15b0 [17252.332028][ T7704] ip6_route_info_create+0xf18/0x17d0 [17252.332028][ T7704] ip6_route_add+0x1c/0x140 [17252.332028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17252.332028][ T7704] addrconf_add_dev+0xe2/0x170 [17252.332028][ T7704] inet6_addr_add+0x12f/0xa40 [17252.332028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17252.332028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17252.332028][ T7704] netlink_rcv_skb+0x130/0x360 [17252.332028][ T7704] netlink_unicast+0x449/0x710 [17252.332028][ T7704] netlink_sendmsg+0x723/0xbe0 [17252.332028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17252.332028][ T7704] ___sys_sendmsg+0xee/0x170 [17252.332028][ T7704] __sys_sendmsg+0xcd/0x170 [17252.332028][ T7704] do_syscall_64+0xc6/0x1e0 [17252.332028][ T7704] [17252.334237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17252.334237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17252.334237][ T7704] ipv6_find_idev+0x102/0x170 [17252.334237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17252.334237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17252.334237][ T7704] netlink_rcv_skb+0x130/0x360 [17252.334237][ T7704] netlink_unicast+0x449/0x710 [17252.334237][ T7704] netlink_sendmsg+0x723/0xbe0 [17252.334237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17252.334237][ T7704] ___sys_sendmsg+0xee/0x170 [17252.334237][ T7704] __sys_sendmsg+0xcd/0x170 [17252.334237][ T7704] do_syscall_64+0xc6/0x1e0 [17252.334237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17252.334237][ T7704] [17252.335966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17252.335966][ T7704] neigh_parms_alloc+0x1e5/0x510 [17252.335966][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17252.335966][ T7704] ipv6_find_idev+0x102/0x170 [17252.335966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17252.335966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17252.335966][ T7704] netlink_rcv_skb+0x130/0x360 [17252.335966][ T7704] netlink_unicast+0x449/0x710 [17252.335966][ T7704] netlink_sendmsg+0x723/0xbe0 [17252.335966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17252.335966][ T7704] ___sys_sendmsg+0xee/0x170 [17252.335966][ T7704] __sys_sendmsg+0xcd/0x170 [17252.335966][ T7704] do_syscall_64+0xc6/0x1e0 [17252.335966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17252.335966][ T7704] [17262.406965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17262.407453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17262.407453][ T7704] netdev_get_by_index+0x5e/0x80 [17262.407453][ T7704] fib6_nh_init+0x3d8/0x15b0 [17262.407453][ T7704] ip6_route_info_create+0xf18/0x17d0 [17262.407453][ T7704] ip6_route_add+0x1c/0x140 [17262.407453][ T7704] addrconf_prefix_route+0x2a6/0x430 [17262.407453][ T7704] inet6_addr_add+0x4f8/0xa40 [17262.407453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17262.407453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17262.407453][ T7704] netlink_rcv_skb+0x130/0x360 [17262.407453][ T7704] netlink_unicast+0x449/0x710 [17262.407453][ T7704] netlink_sendmsg+0x723/0xbe0 [17262.407453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17262.407453][ T7704] ___sys_sendmsg+0xee/0x170 [17262.407453][ T7704] __sys_sendmsg+0xcd/0x170 [17262.407453][ T7704] do_syscall_64+0xc6/0x1e0 [17262.407453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17262.407453][ T7704] [17262.409741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17262.409741][ T7704] netdev_get_by_index+0x5e/0x80 [17262.409741][ T7704] fib6_nh_init+0x3d8/0x15b0 [17262.409741][ T7704] ip6_route_info_create+0xf18/0x17d0 [17262.409741][ T7704] addrconf_f6i_alloc+0x315/0x560 [17262.409741][ T7704] ipv6_add_addr+0x411/0x2000 [17262.409741][ T7704] inet6_addr_add+0x30e/0xa40 [17262.409741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17262.409741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17262.409741][ T7704] netlink_rcv_skb+0x130/0x360 [17262.409741][ T7704] netlink_unicast+0x449/0x710 [17262.409741][ T7704] netlink_sendmsg+0x723/0xbe0 [17262.409741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17262.409741][ T7704] ___sys_sendmsg+0xee/0x170 [17262.409741][ T7704] __sys_sendmsg+0xcd/0x170 [17262.409741][ T7704] do_syscall_64+0xc6/0x1e0 [17262.409741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17262.409741][ T7704] [17262.412000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17262.412000][ T7704] netdev_get_by_index+0x5e/0x80 [17262.412000][ T7704] fib6_nh_init+0x3d8/0x15b0 [17262.412000][ T7704] ip6_route_info_create+0xf18/0x17d0 [17262.412000][ T7704] ip6_route_add+0x1c/0x140 [17262.412000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17262.412000][ T7704] addrconf_add_dev+0xe2/0x170 [17262.412000][ T7704] inet6_addr_add+0x12f/0xa40 [17262.412000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17262.412000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17262.412000][ T7704] netlink_rcv_skb+0x130/0x360 [17262.412000][ T7704] netlink_unicast+0x449/0x710 [17262.412000][ T7704] netlink_sendmsg+0x723/0xbe0 [17262.412000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17262.412000][ T7704] ___sys_sendmsg+0xee/0x170 [17262.412000][ T7704] __sys_sendmsg+0xcd/0x170 [17262.412000][ T7704] do_syscall_64+0xc6/0x1e0 [17262.412000][ T7704] [17262.414214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17262.414214][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17262.414214][ T7704] ipv6_find_idev+0x102/0x170 [17262.414214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17262.414214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17262.414214][ T7704] netlink_rcv_skb+0x130/0x360 [17262.414214][ T7704] netlink_unicast+0x449/0x710 [17262.414214][ T7704] netlink_sendmsg+0x723/0xbe0 [17262.414214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17262.414214][ T7704] ___sys_sendmsg+0xee/0x170 [17262.414214][ T7704] __sys_sendmsg+0xcd/0x170 [17262.414214][ T7704] do_syscall_64+0xc6/0x1e0 [17262.414214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17262.414214][ T7704] [17262.415943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17262.415943][ T7704] neigh_parms_alloc+0x1e5/0x510 [17262.415943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17262.415943][ T7704] ipv6_find_idev+0x102/0x170 [17262.415943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17262.415943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17262.415943][ T7704] netlink_rcv_skb+0x130/0x360 [17262.415943][ T7704] netlink_unicast+0x449/0x710 [17262.415943][ T7704] netlink_sendmsg+0x723/0xbe0 [17262.415943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17262.415943][ T7704] ___sys_sendmsg+0xee/0x170 [17262.415943][ T7704] __sys_sendmsg+0xcd/0x170 [17262.415943][ T7704] do_syscall_64+0xc6/0x1e0 [17262.415943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17262.415943][ T7704] [17272.630959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17272.631400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17272.631400][ T7704] netdev_get_by_index+0x5e/0x80 [17272.631400][ T7704] fib6_nh_init+0x3d8/0x15b0 [17272.631400][ T7704] ip6_route_info_create+0xf18/0x17d0 [17272.631400][ T7704] ip6_route_add+0x1c/0x140 [17272.631400][ T7704] addrconf_prefix_route+0x2a6/0x430 [17272.631400][ T7704] inet6_addr_add+0x4f8/0xa40 [17272.631400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17272.631400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17272.631400][ T7704] netlink_rcv_skb+0x130/0x360 [17272.631400][ T7704] netlink_unicast+0x449/0x710 [17272.631400][ T7704] netlink_sendmsg+0x723/0xbe0 [17272.631400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17272.631400][ T7704] ___sys_sendmsg+0xee/0x170 [17272.631400][ T7704] __sys_sendmsg+0xcd/0x170 [17272.631400][ T7704] do_syscall_64+0xc6/0x1e0 [17272.631400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17272.631400][ T7704] [17272.633684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17272.633684][ T7704] netdev_get_by_index+0x5e/0x80 [17272.633684][ T7704] fib6_nh_init+0x3d8/0x15b0 [17272.633684][ T7704] ip6_route_info_create+0xf18/0x17d0 [17272.633684][ T7704] addrconf_f6i_alloc+0x315/0x560 [17272.633684][ T7704] ipv6_add_addr+0x411/0x2000 [17272.633684][ T7704] inet6_addr_add+0x30e/0xa40 [17272.633684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17272.633684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17272.633684][ T7704] netlink_rcv_skb+0x130/0x360 [17272.633684][ T7704] netlink_unicast+0x449/0x710 [17272.633684][ T7704] netlink_sendmsg+0x723/0xbe0 [17272.633684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17272.633684][ T7704] ___sys_sendmsg+0xee/0x170 [17272.633684][ T7704] __sys_sendmsg+0xcd/0x170 [17272.633684][ T7704] do_syscall_64+0xc6/0x1e0 [17272.633684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17272.633684][ T7704] [17272.635945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17272.635945][ T7704] netdev_get_by_index+0x5e/0x80 [17272.635945][ T7704] fib6_nh_init+0x3d8/0x15b0 [17272.635945][ T7704] ip6_route_info_create+0xf18/0x17d0 [17272.635945][ T7704] ip6_route_add+0x1c/0x140 [17272.635945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17272.635945][ T7704] addrconf_add_dev+0xe2/0x170 [17272.635945][ T7704] inet6_addr_add+0x12f/0xa40 [17272.635945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17272.635945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17272.635945][ T7704] netlink_rcv_skb+0x130/0x360 [17272.635945][ T7704] netlink_unicast+0x449/0x710 [17272.635945][ T7704] netlink_sendmsg+0x723/0xbe0 [17272.635945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17272.635945][ T7704] ___sys_sendmsg+0xee/0x170 [17272.635945][ T7704] __sys_sendmsg+0xcd/0x170 [17272.635945][ T7704] do_syscall_64+0xc6/0x1e0 [17272.635945][ T7704] [17272.638159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17272.638159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17272.638159][ T7704] ipv6_find_idev+0x102/0x170 [17272.638159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17272.638159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17272.638159][ T7704] netlink_rcv_skb+0x130/0x360 [17272.638159][ T7704] netlink_unicast+0x449/0x710 [17272.638159][ T7704] netlink_sendmsg+0x723/0xbe0 [17272.638159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17272.638159][ T7704] ___sys_sendmsg+0xee/0x170 [17272.638159][ T7704] __sys_sendmsg+0xcd/0x170 [17272.638159][ T7704] do_syscall_64+0xc6/0x1e0 [17272.638159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17272.638159][ T7704] [17272.639910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17272.639910][ T7704] neigh_parms_alloc+0x1e5/0x510 [17272.639910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17272.639910][ T7704] ipv6_find_idev+0x102/0x170 [17272.639910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17272.639910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17272.639910][ T7704] netlink_rcv_skb+0x130/0x360 [17272.639910][ T7704] netlink_unicast+0x449/0x710 [17272.639910][ T7704] netlink_sendmsg+0x723/0xbe0 [17272.639910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17272.639910][ T7704] ___sys_sendmsg+0xee/0x170 [17272.639910][ T7704] __sys_sendmsg+0xcd/0x170 [17272.639910][ T7704] do_syscall_64+0xc6/0x1e0 [17272.639910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17272.639910][ T7704] [17282.878957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17282.879456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17282.879456][ T7704] netdev_get_by_index+0x5e/0x80 [17282.879456][ T7704] fib6_nh_init+0x3d8/0x15b0 [17282.879456][ T7704] ip6_route_info_create+0xf18/0x17d0 [17282.879456][ T7704] ip6_route_add+0x1c/0x140 [17282.879456][ T7704] addrconf_prefix_route+0x2a6/0x430 [17282.879456][ T7704] inet6_addr_add+0x4f8/0xa40 [17282.879456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17282.879456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17282.879456][ T7704] netlink_rcv_skb+0x130/0x360 [17282.879456][ T7704] netlink_unicast+0x449/0x710 [17282.879456][ T7704] netlink_sendmsg+0x723/0xbe0 [17282.879456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17282.879456][ T7704] ___sys_sendmsg+0xee/0x170 [17282.879456][ T7704] __sys_sendmsg+0xcd/0x170 [17282.879456][ T7704] do_syscall_64+0xc6/0x1e0 [17282.879456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17282.879456][ T7704] [17282.881733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17282.881733][ T7704] netdev_get_by_index+0x5e/0x80 [17282.881733][ T7704] fib6_nh_init+0x3d8/0x15b0 [17282.881733][ T7704] ip6_route_info_create+0xf18/0x17d0 [17282.881733][ T7704] addrconf_f6i_alloc+0x315/0x560 [17282.881733][ T7704] ipv6_add_addr+0x411/0x2000 [17282.881733][ T7704] inet6_addr_add+0x30e/0xa40 [17282.881733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17282.881733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17282.881733][ T7704] netlink_rcv_skb+0x130/0x360 [17282.881733][ T7704] netlink_unicast+0x449/0x710 [17282.881733][ T7704] netlink_sendmsg+0x723/0xbe0 [17282.881733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17282.881733][ T7704] ___sys_sendmsg+0xee/0x170 [17282.881733][ T7704] __sys_sendmsg+0xcd/0x170 [17282.881733][ T7704] do_syscall_64+0xc6/0x1e0 [17282.881733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17282.881733][ T7704] [17282.883991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17282.883991][ T7704] netdev_get_by_index+0x5e/0x80 [17282.883991][ T7704] fib6_nh_init+0x3d8/0x15b0 [17282.883991][ T7704] ip6_route_info_create+0xf18/0x17d0 [17282.883991][ T7704] ip6_route_add+0x1c/0x140 [17282.883991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17282.883991][ T7704] addrconf_add_dev+0xe2/0x170 [17282.883991][ T7704] inet6_addr_add+0x12f/0xa40 [17282.883991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17282.883991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17282.883991][ T7704] netlink_rcv_skb+0x130/0x360 [17282.883991][ T7704] netlink_unicast+0x449/0x710 [17282.883991][ T7704] netlink_sendmsg+0x723/0xbe0 [17282.883991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17282.883991][ T7704] ___sys_sendmsg+0xee/0x170 [17282.883991][ T7704] __sys_sendmsg+0xcd/0x170 [17282.883991][ T7704] do_syscall_64+0xc6/0x1e0 [17282.883991][ T7704] [17282.886209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17282.886209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17282.886209][ T7704] ipv6_find_idev+0x102/0x170 [17282.886209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17282.886209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17282.886209][ T7704] netlink_rcv_skb+0x130/0x360 [17282.886209][ T7704] netlink_unicast+0x449/0x710 [17282.886209][ T7704] netlink_sendmsg+0x723/0xbe0 [17282.886209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17282.886209][ T7704] ___sys_sendmsg+0xee/0x170 [17282.886209][ T7704] __sys_sendmsg+0xcd/0x170 [17282.886209][ T7704] do_syscall_64+0xc6/0x1e0 [17282.886209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17282.886209][ T7704] [17282.887938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17282.887938][ T7704] neigh_parms_alloc+0x1e5/0x510 [17282.887938][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17282.887938][ T7704] ipv6_find_idev+0x102/0x170 [17282.887938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17282.887938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17282.887938][ T7704] netlink_rcv_skb+0x130/0x360 [17282.887938][ T7704] netlink_unicast+0x449/0x710 [17282.887938][ T7704] netlink_sendmsg+0x723/0xbe0 [17282.887938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17282.887938][ T7704] ___sys_sendmsg+0xee/0x170 [17282.887938][ T7704] __sys_sendmsg+0xcd/0x170 [17282.887938][ T7704] do_syscall_64+0xc6/0x1e0 [17282.887938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17282.887938][ T7704] [17293.126944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17293.127380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17293.127380][ T7704] netdev_get_by_index+0x5e/0x80 [17293.127380][ T7704] fib6_nh_init+0x3d8/0x15b0 [17293.127380][ T7704] ip6_route_info_create+0xf18/0x17d0 [17293.127380][ T7704] ip6_route_add+0x1c/0x140 [17293.127380][ T7704] addrconf_prefix_route+0x2a6/0x430 [17293.127380][ T7704] inet6_addr_add+0x4f8/0xa40 [17293.127380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17293.127380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17293.127380][ T7704] netlink_rcv_skb+0x130/0x360 [17293.127380][ T7704] netlink_unicast+0x449/0x710 [17293.127380][ T7704] netlink_sendmsg+0x723/0xbe0 [17293.127380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17293.127380][ T7704] ___sys_sendmsg+0xee/0x170 [17293.127380][ T7704] __sys_sendmsg+0xcd/0x170 [17293.127380][ T7704] do_syscall_64+0xc6/0x1e0 [17293.127380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17293.127380][ T7704] [17293.129680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17293.129680][ T7704] netdev_get_by_index+0x5e/0x80 [17293.129680][ T7704] fib6_nh_init+0x3d8/0x15b0 [17293.129680][ T7704] ip6_route_info_create+0xf18/0x17d0 [17293.129680][ T7704] addrconf_f6i_alloc+0x315/0x560 [17293.129680][ T7704] ipv6_add_addr+0x411/0x2000 [17293.129680][ T7704] inet6_addr_add+0x30e/0xa40 [17293.129680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17293.129680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17293.129680][ T7704] netlink_rcv_skb+0x130/0x360 [17293.129680][ T7704] netlink_unicast+0x449/0x710 [17293.129680][ T7704] netlink_sendmsg+0x723/0xbe0 [17293.129680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17293.129680][ T7704] ___sys_sendmsg+0xee/0x170 [17293.129680][ T7704] __sys_sendmsg+0xcd/0x170 [17293.129680][ T7704] do_syscall_64+0xc6/0x1e0 [17293.129680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17293.129680][ T7704] [17293.131963][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17293.131963][ T7704] netdev_get_by_index+0x5e/0x80 [17293.131963][ T7704] fib6_nh_init+0x3d8/0x15b0 [17293.131963][ T7704] ip6_route_info_create+0xf18/0x17d0 [17293.131963][ T7704] ip6_route_add+0x1c/0x140 [17293.131963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17293.131963][ T7704] addrconf_add_dev+0xe2/0x170 [17293.131963][ T7704] inet6_addr_add+0x12f/0xa40 [17293.131963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17293.131963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17293.131963][ T7704] netlink_rcv_skb+0x130/0x360 [17293.131963][ T7704] netlink_unicast+0x449/0x710 [17293.131963][ T7704] netlink_sendmsg+0x723/0xbe0 [17293.131963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17293.131963][ T7704] ___sys_sendmsg+0xee/0x170 [17293.131963][ T7704] __sys_sendmsg+0xcd/0x170 [17293.131963][ T7704] do_syscall_64+0xc6/0x1e0 [17293.131963][ T7704] [17293.134172][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17293.134172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17293.134172][ T7704] ipv6_find_idev+0x102/0x170 [17293.134172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17293.134172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17293.134172][ T7704] netlink_rcv_skb+0x130/0x360 [17293.134172][ T7704] netlink_unicast+0x449/0x710 [17293.134172][ T7704] netlink_sendmsg+0x723/0xbe0 [17293.134172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17293.134172][ T7704] ___sys_sendmsg+0xee/0x170 [17293.134172][ T7704] __sys_sendmsg+0xcd/0x170 [17293.134172][ T7704] do_syscall_64+0xc6/0x1e0 [17293.134172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17293.134172][ T7704] [17293.135913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17293.135913][ T7704] neigh_parms_alloc+0x1e5/0x510 [17293.135913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17293.135913][ T7704] ipv6_find_idev+0x102/0x170 [17293.135913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17293.135913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17293.135913][ T7704] netlink_rcv_skb+0x130/0x360 [17293.135913][ T7704] netlink_unicast+0x449/0x710 [17293.135913][ T7704] netlink_sendmsg+0x723/0xbe0 [17293.135913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17293.135913][ T7704] ___sys_sendmsg+0xee/0x170 [17293.135913][ T7704] __sys_sendmsg+0xcd/0x170 [17293.135913][ T7704] do_syscall_64+0xc6/0x1e0 [17293.135913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17293.135913][ T7704] [17303.182963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17303.183461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17303.183461][ T7704] netdev_get_by_index+0x5e/0x80 [17303.183461][ T7704] fib6_nh_init+0x3d8/0x15b0 [17303.183461][ T7704] ip6_route_info_create+0xf18/0x17d0 [17303.183461][ T7704] ip6_route_add+0x1c/0x140 [17303.183461][ T7704] addrconf_prefix_route+0x2a6/0x430 [17303.183461][ T7704] inet6_addr_add+0x4f8/0xa40 [17303.183461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17303.183461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17303.183461][ T7704] netlink_rcv_skb+0x130/0x360 [17303.183461][ T7704] netlink_unicast+0x449/0x710 [17303.183461][ T7704] netlink_sendmsg+0x723/0xbe0 [17303.183461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17303.183461][ T7704] ___sys_sendmsg+0xee/0x170 [17303.183461][ T7704] __sys_sendmsg+0xcd/0x170 [17303.183461][ T7704] do_syscall_64+0xc6/0x1e0 [17303.183461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17303.183461][ T7704] [17303.185856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17303.185856][ T7704] netdev_get_by_index+0x5e/0x80 [17303.185856][ T7704] fib6_nh_init+0x3d8/0x15b0 [17303.185856][ T7704] ip6_route_info_create+0xf18/0x17d0 [17303.185856][ T7704] addrconf_f6i_alloc+0x315/0x560 [17303.185856][ T7704] ipv6_add_addr+0x411/0x2000 [17303.185856][ T7704] inet6_addr_add+0x30e/0xa40 [17303.185856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17303.185856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17303.185856][ T7704] netlink_rcv_skb+0x130/0x360 [17303.185856][ T7704] netlink_unicast+0x449/0x710 [17303.185856][ T7704] netlink_sendmsg+0x723/0xbe0 [17303.185856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17303.185856][ T7704] ___sys_sendmsg+0xee/0x170 [17303.185856][ T7704] __sys_sendmsg+0xcd/0x170 [17303.185856][ T7704] do_syscall_64+0xc6/0x1e0 [17303.185856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17303.185856][ T7704] [17303.188110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17303.188110][ T7704] netdev_get_by_index+0x5e/0x80 [17303.188110][ T7704] fib6_nh_init+0x3d8/0x15b0 [17303.188110][ T7704] ip6_route_info_create+0xf18/0x17d0 [17303.188110][ T7704] ip6_route_add+0x1c/0x140 [17303.188110][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17303.188110][ T7704] addrconf_add_dev+0xe2/0x170 [17303.188110][ T7704] inet6_addr_add+0x12f/0xa40 [17303.188110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17303.188110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17303.188110][ T7704] netlink_rcv_skb+0x130/0x360 [17303.188110][ T7704] netlink_unicast+0x449/0x710 [17303.188110][ T7704] netlink_sendmsg+0x723/0xbe0 [17303.188110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17303.188110][ T7704] ___sys_sendmsg+0xee/0x170 [17303.188110][ T7704] __sys_sendmsg+0xcd/0x170 [17303.188110][ T7704] do_syscall_64+0xc6/0x1e0 [17303.188110][ T7704] [17303.190357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17303.190357][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17303.190357][ T7704] ipv6_find_idev+0x102/0x170 [17303.190357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17303.190357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17303.190357][ T7704] netlink_rcv_skb+0x130/0x360 [17303.190357][ T7704] netlink_unicast+0x449/0x710 [17303.190357][ T7704] netlink_sendmsg+0x723/0xbe0 [17303.190357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17303.190357][ T7704] ___sys_sendmsg+0xee/0x170 [17303.190357][ T7704] __sys_sendmsg+0xcd/0x170 [17303.190357][ T7704] do_syscall_64+0xc6/0x1e0 [17303.190357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17303.190357][ T7704] [17303.192095][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17303.192095][ T7704] neigh_parms_alloc+0x1e5/0x510 [17303.192095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17303.192095][ T7704] ipv6_find_idev+0x102/0x170 [17303.192095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17303.192095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17303.192095][ T7704] netlink_rcv_skb+0x130/0x360 [17303.192095][ T7704] netlink_unicast+0x449/0x710 [17303.192095][ T7704] netlink_sendmsg+0x723/0xbe0 [17303.192095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17303.192095][ T7704] ___sys_sendmsg+0xee/0x170 [17303.192095][ T7704] __sys_sendmsg+0xcd/0x170 [17303.192095][ T7704] do_syscall_64+0xc6/0x1e0 [17303.192095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17303.192095][ T7704] [17313.438954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17313.439428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17313.439428][ T7704] netdev_get_by_index+0x5e/0x80 [17313.439428][ T7704] fib6_nh_init+0x3d8/0x15b0 [17313.439428][ T7704] ip6_route_info_create+0xf18/0x17d0 [17313.439428][ T7704] ip6_route_add+0x1c/0x140 [17313.439428][ T7704] addrconf_prefix_route+0x2a6/0x430 [17313.439428][ T7704] inet6_addr_add+0x4f8/0xa40 [17313.439428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17313.439428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17313.439428][ T7704] netlink_rcv_skb+0x130/0x360 [17313.439428][ T7704] netlink_unicast+0x449/0x710 [17313.439428][ T7704] netlink_sendmsg+0x723/0xbe0 [17313.439428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17313.439428][ T7704] ___sys_sendmsg+0xee/0x170 [17313.439428][ T7704] __sys_sendmsg+0xcd/0x170 [17313.439428][ T7704] do_syscall_64+0xc6/0x1e0 [17313.439428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17313.439428][ T7704] [17313.441687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17313.441687][ T7704] netdev_get_by_index+0x5e/0x80 [17313.441687][ T7704] fib6_nh_init+0x3d8/0x15b0 [17313.441687][ T7704] ip6_route_info_create+0xf18/0x17d0 [17313.441687][ T7704] addrconf_f6i_alloc+0x315/0x560 [17313.441687][ T7704] ipv6_add_addr+0x411/0x2000 [17313.441687][ T7704] inet6_addr_add+0x30e/0xa40 [17313.441687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17313.441687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17313.441687][ T7704] netlink_rcv_skb+0x130/0x360 [17313.441687][ T7704] netlink_unicast+0x449/0x710 [17313.441687][ T7704] netlink_sendmsg+0x723/0xbe0 [17313.441687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17313.441687][ T7704] ___sys_sendmsg+0xee/0x170 [17313.441687][ T7704] __sys_sendmsg+0xcd/0x170 [17313.441687][ T7704] do_syscall_64+0xc6/0x1e0 [17313.441687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17313.441687][ T7704] [17313.443993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17313.443993][ T7704] netdev_get_by_index+0x5e/0x80 [17313.443993][ T7704] fib6_nh_init+0x3d8/0x15b0 [17313.443993][ T7704] ip6_route_info_create+0xf18/0x17d0 [17313.443993][ T7704] ip6_route_add+0x1c/0x140 [17313.443993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17313.443993][ T7704] addrconf_add_dev+0xe2/0x170 [17313.443993][ T7704] inet6_addr_add+0x12f/0xa40 [17313.443993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17313.443993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17313.443993][ T7704] netlink_rcv_skb+0x130/0x360 [17313.443993][ T7704] netlink_unicast+0x449/0x710 [17313.443993][ T7704] netlink_sendmsg+0x723/0xbe0 [17313.443993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17313.443993][ T7704] ___sys_sendmsg+0xee/0x170 [17313.443993][ T7704] __sys_sendmsg+0xcd/0x170 [17313.443993][ T7704] do_syscall_64+0xc6/0x1e0 [17313.443993][ T7704] [17313.446223][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17313.446223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17313.446223][ T7704] ipv6_find_idev+0x102/0x170 [17313.446223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17313.446223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17313.446223][ T7704] netlink_rcv_skb+0x130/0x360 [17313.446223][ T7704] netlink_unicast+0x449/0x710 [17313.446223][ T7704] netlink_sendmsg+0x723/0xbe0 [17313.446223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17313.446223][ T7704] ___sys_sendmsg+0xee/0x170 [17313.446223][ T7704] __sys_sendmsg+0xcd/0x170 [17313.446223][ T7704] do_syscall_64+0xc6/0x1e0 [17313.446223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17313.446223][ T7704] [17313.447972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17313.447972][ T7704] neigh_parms_alloc+0x1e5/0x510 [17313.447972][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17313.447972][ T7704] ipv6_find_idev+0x102/0x170 [17313.447972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17313.447972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17313.447972][ T7704] netlink_rcv_skb+0x130/0x360 [17313.447972][ T7704] netlink_unicast+0x449/0x710 [17313.447972][ T7704] netlink_sendmsg+0x723/0xbe0 [17313.447972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17313.447972][ T7704] ___sys_sendmsg+0xee/0x170 [17313.447972][ T7704] __sys_sendmsg+0xcd/0x170 [17313.447972][ T7704] do_syscall_64+0xc6/0x1e0 [17313.447972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17313.447972][ T7704] [17323.694980][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17323.695446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17323.695446][ T7704] netdev_get_by_index+0x5e/0x80 [17323.695446][ T7704] fib6_nh_init+0x3d8/0x15b0 [17323.695446][ T7704] ip6_route_info_create+0xf18/0x17d0 [17323.695446][ T7704] ip6_route_add+0x1c/0x140 [17323.695446][ T7704] addrconf_prefix_route+0x2a6/0x430 [17323.695446][ T7704] inet6_addr_add+0x4f8/0xa40 [17323.695446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17323.695446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17323.695446][ T7704] netlink_rcv_skb+0x130/0x360 [17323.695446][ T7704] netlink_unicast+0x449/0x710 [17323.695446][ T7704] netlink_sendmsg+0x723/0xbe0 [17323.695446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17323.695446][ T7704] ___sys_sendmsg+0xee/0x170 [17323.695446][ T7704] __sys_sendmsg+0xcd/0x170 [17323.695446][ T7704] do_syscall_64+0xc6/0x1e0 [17323.695446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17323.695446][ T7704] [17323.697756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17323.697756][ T7704] netdev_get_by_index+0x5e/0x80 [17323.697756][ T7704] fib6_nh_init+0x3d8/0x15b0 [17323.697756][ T7704] ip6_route_info_create+0xf18/0x17d0 [17323.697756][ T7704] addrconf_f6i_alloc+0x315/0x560 [17323.697756][ T7704] ipv6_add_addr+0x411/0x2000 [17323.697756][ T7704] inet6_addr_add+0x30e/0xa40 [17323.697756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17323.697756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17323.697756][ T7704] netlink_rcv_skb+0x130/0x360 [17323.697756][ T7704] netlink_unicast+0x449/0x710 [17323.697756][ T7704] netlink_sendmsg+0x723/0xbe0 [17323.697756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17323.697756][ T7704] ___sys_sendmsg+0xee/0x170 [17323.697756][ T7704] __sys_sendmsg+0xcd/0x170 [17323.697756][ T7704] do_syscall_64+0xc6/0x1e0 [17323.697756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17323.697756][ T7704] [17323.729118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17323.729118][ T7704] netdev_get_by_index+0x5e/0x80 [17323.729118][ T7704] fib6_nh_init+0x3d8/0x15b0 [17323.729118][ T7704] ip6_route_info_create+0xf18/0x17d0 [17323.729118][ T7704] ip6_route_add+0x1c/0x140 [17323.729118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17323.729118][ T7704] addrconf_add_dev+0xe2/0x170 [17323.729118][ T7704] inet6_addr_add+0x12f/0xa40 [17323.729118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17323.729118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17323.729118][ T7704] netlink_rcv_skb+0x130/0x360 [17323.729118][ T7704] netlink_unicast+0x449/0x710 [17323.729118][ T7704] netlink_sendmsg+0x723/0xbe0 [17323.729118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17323.729118][ T7704] ___sys_sendmsg+0xee/0x170 [17323.729118][ T7704] __sys_sendmsg+0xcd/0x170 [17323.729118][ T7704] do_syscall_64+0xc6/0x1e0 [17323.729118][ T7704] [17323.731371][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17323.731371][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17323.731371][ T7704] ipv6_find_idev+0x102/0x170 [17323.731371][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17323.731371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17323.731371][ T7704] netlink_rcv_skb+0x130/0x360 [17323.731371][ T7704] netlink_unicast+0x449/0x710 [17323.731371][ T7704] netlink_sendmsg+0x723/0xbe0 [17323.731371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17323.731371][ T7704] ___sys_sendmsg+0xee/0x170 [17323.731371][ T7704] __sys_sendmsg+0xcd/0x170 [17323.731371][ T7704] do_syscall_64+0xc6/0x1e0 [17323.731371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17323.731371][ T7704] [17323.733128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17323.733128][ T7704] neigh_parms_alloc+0x1e5/0x510 [17323.733128][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17323.733128][ T7704] ipv6_find_idev+0x102/0x170 [17323.733128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17323.733128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17323.733128][ T7704] netlink_rcv_skb+0x130/0x360 [17323.733128][ T7704] netlink_unicast+0x449/0x710 [17323.733128][ T7704] netlink_sendmsg+0x723/0xbe0 [17323.733128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17323.733128][ T7704] ___sys_sendmsg+0xee/0x170 [17323.733128][ T7704] __sys_sendmsg+0xcd/0x170 [17323.733128][ T7704] do_syscall_64+0xc6/0x1e0 [17323.733128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17323.733128][ T7704] [17333.982955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17333.983447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17333.983447][ T7704] netdev_get_by_index+0x5e/0x80 [17333.983447][ T7704] fib6_nh_init+0x3d8/0x15b0 [17333.983447][ T7704] ip6_route_info_create+0xf18/0x17d0 [17333.983447][ T7704] ip6_route_add+0x1c/0x140 [17333.983447][ T7704] addrconf_prefix_route+0x2a6/0x430 [17333.983447][ T7704] inet6_addr_add+0x4f8/0xa40 [17333.983447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17333.983447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17333.983447][ T7704] netlink_rcv_skb+0x130/0x360 [17333.983447][ T7704] netlink_unicast+0x449/0x710 [17333.983447][ T7704] netlink_sendmsg+0x723/0xbe0 [17333.983447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17333.983447][ T7704] ___sys_sendmsg+0xee/0x170 [17333.983447][ T7704] __sys_sendmsg+0xcd/0x170 [17333.983447][ T7704] do_syscall_64+0xc6/0x1e0 [17333.983447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17333.983447][ T7704] [17333.985753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17333.985753][ T7704] netdev_get_by_index+0x5e/0x80 [17333.985753][ T7704] fib6_nh_init+0x3d8/0x15b0 [17333.985753][ T7704] ip6_route_info_create+0xf18/0x17d0 [17333.985753][ T7704] addrconf_f6i_alloc+0x315/0x560 [17333.985753][ T7704] ipv6_add_addr+0x411/0x2000 [17333.985753][ T7704] inet6_addr_add+0x30e/0xa40 [17333.985753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17333.985753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17333.985753][ T7704] netlink_rcv_skb+0x130/0x360 [17333.985753][ T7704] netlink_unicast+0x449/0x710 [17333.985753][ T7704] netlink_sendmsg+0x723/0xbe0 [17333.985753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17333.985753][ T7704] ___sys_sendmsg+0xee/0x170 [17333.985753][ T7704] __sys_sendmsg+0xcd/0x170 [17333.985753][ T7704] do_syscall_64+0xc6/0x1e0 [17333.985753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17333.985753][ T7704] [17333.988028][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17333.988028][ T7704] netdev_get_by_index+0x5e/0x80 [17333.988028][ T7704] fib6_nh_init+0x3d8/0x15b0 [17333.988028][ T7704] ip6_route_info_create+0xf18/0x17d0 [17333.988028][ T7704] ip6_route_add+0x1c/0x140 [17333.988028][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17333.988028][ T7704] addrconf_add_dev+0xe2/0x170 [17333.988028][ T7704] inet6_addr_add+0x12f/0xa40 [17333.988028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17333.988028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17333.988028][ T7704] netlink_rcv_skb+0x130/0x360 [17333.988028][ T7704] netlink_unicast+0x449/0x710 [17333.988028][ T7704] netlink_sendmsg+0x723/0xbe0 [17333.988028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17333.988028][ T7704] ___sys_sendmsg+0xee/0x170 [17333.988028][ T7704] __sys_sendmsg+0xcd/0x170 [17333.988028][ T7704] do_syscall_64+0xc6/0x1e0 [17333.988028][ T7704] [17333.990270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17333.990270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17333.990270][ T7704] ipv6_find_idev+0x102/0x170 [17333.990270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17333.990270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17333.990270][ T7704] netlink_rcv_skb+0x130/0x360 [17333.990270][ T7704] netlink_unicast+0x449/0x710 [17333.990270][ T7704] netlink_sendmsg+0x723/0xbe0 [17333.990270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17333.990270][ T7704] ___sys_sendmsg+0xee/0x170 [17333.990270][ T7704] __sys_sendmsg+0xcd/0x170 [17333.990270][ T7704] do_syscall_64+0xc6/0x1e0 [17333.990270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17333.990270][ T7704] [17333.992017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17333.992017][ T7704] neigh_parms_alloc+0x1e5/0x510 [17333.992017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17333.992017][ T7704] ipv6_find_idev+0x102/0x170 [17333.992017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17333.992017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17333.992017][ T7704] netlink_rcv_skb+0x130/0x360 [17333.992017][ T7704] netlink_unicast+0x449/0x710 [17333.992017][ T7704] netlink_sendmsg+0x723/0xbe0 [17333.992017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17333.992017][ T7704] ___sys_sendmsg+0xee/0x170 [17333.992017][ T7704] __sys_sendmsg+0xcd/0x170 [17333.992017][ T7704] do_syscall_64+0xc6/0x1e0 [17333.992017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17333.992017][ T7704] [17344.239014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17344.239541][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17344.239541][ T7704] netdev_get_by_index+0x5e/0x80 [17344.239541][ T7704] fib6_nh_init+0x3d8/0x15b0 [17344.239541][ T7704] ip6_route_info_create+0xf18/0x17d0 [17344.239541][ T7704] ip6_route_add+0x1c/0x140 [17344.239541][ T7704] addrconf_prefix_route+0x2a6/0x430 [17344.239541][ T7704] inet6_addr_add+0x4f8/0xa40 [17344.239541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17344.239541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17344.239541][ T7704] netlink_rcv_skb+0x130/0x360 [17344.239541][ T7704] netlink_unicast+0x449/0x710 [17344.239541][ T7704] netlink_sendmsg+0x723/0xbe0 [17344.239541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17344.239541][ T7704] ___sys_sendmsg+0xee/0x170 [17344.239541][ T7704] __sys_sendmsg+0xcd/0x170 [17344.239541][ T7704] do_syscall_64+0xc6/0x1e0 [17344.239541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17344.239541][ T7704] [17344.241839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17344.241839][ T7704] netdev_get_by_index+0x5e/0x80 [17344.241839][ T7704] fib6_nh_init+0x3d8/0x15b0 [17344.241839][ T7704] ip6_route_info_create+0xf18/0x17d0 [17344.241839][ T7704] addrconf_f6i_alloc+0x315/0x560 [17344.241839][ T7704] ipv6_add_addr+0x411/0x2000 [17344.241839][ T7704] inet6_addr_add+0x30e/0xa40 [17344.241839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17344.241839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17344.241839][ T7704] netlink_rcv_skb+0x130/0x360 [17344.241839][ T7704] netlink_unicast+0x449/0x710 [17344.241839][ T7704] netlink_sendmsg+0x723/0xbe0 [17344.241839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17344.241839][ T7704] ___sys_sendmsg+0xee/0x170 [17344.241839][ T7704] __sys_sendmsg+0xcd/0x170 [17344.241839][ T7704] do_syscall_64+0xc6/0x1e0 [17344.241839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17344.241839][ T7704] [17344.244117][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17344.244117][ T7704] netdev_get_by_index+0x5e/0x80 [17344.244117][ T7704] fib6_nh_init+0x3d8/0x15b0 [17344.244117][ T7704] ip6_route_info_create+0xf18/0x17d0 [17344.244117][ T7704] ip6_route_add+0x1c/0x140 [17344.244117][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17344.244117][ T7704] addrconf_add_dev+0xe2/0x170 [17344.244117][ T7704] inet6_addr_add+0x12f/0xa40 [17344.244117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17344.244117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17344.244117][ T7704] netlink_rcv_skb+0x130/0x360 [17344.244117][ T7704] netlink_unicast+0x449/0x710 [17344.244117][ T7704] netlink_sendmsg+0x723/0xbe0 [17344.244117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17344.244117][ T7704] ___sys_sendmsg+0xee/0x170 [17344.244117][ T7704] __sys_sendmsg+0xcd/0x170 [17344.244117][ T7704] do_syscall_64+0xc6/0x1e0 [17344.244117][ T7704] [17344.246366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17344.246366][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17344.246366][ T7704] ipv6_find_idev+0x102/0x170 [17344.246366][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17344.246366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17344.246366][ T7704] netlink_rcv_skb+0x130/0x360 [17344.246366][ T7704] netlink_unicast+0x449/0x710 [17344.246366][ T7704] netlink_sendmsg+0x723/0xbe0 [17344.246366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17344.246366][ T7704] ___sys_sendmsg+0xee/0x170 [17344.246366][ T7704] __sys_sendmsg+0xcd/0x170 [17344.246366][ T7704] do_syscall_64+0xc6/0x1e0 [17344.246366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17344.246366][ T7704] [17344.248131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17344.248131][ T7704] neigh_parms_alloc+0x1e5/0x510 [17344.248131][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17344.248131][ T7704] ipv6_find_idev+0x102/0x170 [17344.248131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17344.248131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17344.248131][ T7704] netlink_rcv_skb+0x130/0x360 [17344.248131][ T7704] netlink_unicast+0x449/0x710 [17344.248131][ T7704] netlink_sendmsg+0x723/0xbe0 [17344.248131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17344.248131][ T7704] ___sys_sendmsg+0xee/0x170 [17344.248131][ T7704] __sys_sendmsg+0xcd/0x170 [17344.248131][ T7704] do_syscall_64+0xc6/0x1e0 [17344.248131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17344.248131][ T7704] [17354.494944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17354.495429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17354.495429][ T7704] netdev_get_by_index+0x5e/0x80 [17354.495429][ T7704] fib6_nh_init+0x3d8/0x15b0 [17354.495429][ T7704] ip6_route_info_create+0xf18/0x17d0 [17354.495429][ T7704] ip6_route_add+0x1c/0x140 [17354.495429][ T7704] addrconf_prefix_route+0x2a6/0x430 [17354.495429][ T7704] inet6_addr_add+0x4f8/0xa40 [17354.495429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17354.495429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17354.495429][ T7704] netlink_rcv_skb+0x130/0x360 [17354.495429][ T7704] netlink_unicast+0x449/0x710 [17354.495429][ T7704] netlink_sendmsg+0x723/0xbe0 [17354.495429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17354.495429][ T7704] ___sys_sendmsg+0xee/0x170 [17354.495429][ T7704] __sys_sendmsg+0xcd/0x170 [17354.495429][ T7704] do_syscall_64+0xc6/0x1e0 [17354.495429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17354.495429][ T7704] [17354.497677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17354.497677][ T7704] netdev_get_by_index+0x5e/0x80 [17354.497677][ T7704] fib6_nh_init+0x3d8/0x15b0 [17354.497677][ T7704] ip6_route_info_create+0xf18/0x17d0 [17354.497677][ T7704] addrconf_f6i_alloc+0x315/0x560 [17354.497677][ T7704] ipv6_add_addr+0x411/0x2000 [17354.497677][ T7704] inet6_addr_add+0x30e/0xa40 [17354.497677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17354.497677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17354.497677][ T7704] netlink_rcv_skb+0x130/0x360 [17354.497677][ T7704] netlink_unicast+0x449/0x710 [17354.497677][ T7704] netlink_sendmsg+0x723/0xbe0 [17354.497677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17354.497677][ T7704] ___sys_sendmsg+0xee/0x170 [17354.497677][ T7704] __sys_sendmsg+0xcd/0x170 [17354.497677][ T7704] do_syscall_64+0xc6/0x1e0 [17354.497677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17354.497677][ T7704] [17354.499951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17354.499951][ T7704] netdev_get_by_index+0x5e/0x80 [17354.499951][ T7704] fib6_nh_init+0x3d8/0x15b0 [17354.499951][ T7704] ip6_route_info_create+0xf18/0x17d0 [17354.499951][ T7704] ip6_route_add+0x1c/0x140 [17354.499951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17354.499951][ T7704] addrconf_add_dev+0xe2/0x170 [17354.499951][ T7704] inet6_addr_add+0x12f/0xa40 [17354.499951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17354.499951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17354.499951][ T7704] netlink_rcv_skb+0x130/0x360 [17354.499951][ T7704] netlink_unicast+0x449/0x710 [17354.499951][ T7704] netlink_sendmsg+0x723/0xbe0 [17354.499951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17354.499951][ T7704] ___sys_sendmsg+0xee/0x170 [17354.499951][ T7704] __sys_sendmsg+0xcd/0x170 [17354.499951][ T7704] do_syscall_64+0xc6/0x1e0 [17354.499951][ T7704] [17354.502141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17354.502141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17354.502141][ T7704] ipv6_find_idev+0x102/0x170 [17354.502141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17354.502141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17354.502141][ T7704] netlink_rcv_skb+0x130/0x360 [17354.502141][ T7704] netlink_unicast+0x449/0x710 [17354.502141][ T7704] netlink_sendmsg+0x723/0xbe0 [17354.502141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17354.502141][ T7704] ___sys_sendmsg+0xee/0x170 [17354.502141][ T7704] __sys_sendmsg+0xcd/0x170 [17354.502141][ T7704] do_syscall_64+0xc6/0x1e0 [17354.502141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17354.502141][ T7704] [17354.503856][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17354.503856][ T7704] neigh_parms_alloc+0x1e5/0x510 [17354.503856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17354.503856][ T7704] ipv6_find_idev+0x102/0x170 [17354.503856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17354.503856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17354.503856][ T7704] netlink_rcv_skb+0x130/0x360 [17354.503856][ T7704] netlink_unicast+0x449/0x710 [17354.503856][ T7704] netlink_sendmsg+0x723/0xbe0 [17354.503856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17354.503856][ T7704] ___sys_sendmsg+0xee/0x170 [17354.503856][ T7704] __sys_sendmsg+0xcd/0x170 [17354.503856][ T7704] do_syscall_64+0xc6/0x1e0 [17354.503856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17354.503856][ T7704] [17364.751008][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17364.751545][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17364.751545][ T7704] netdev_get_by_index+0x5e/0x80 [17364.751545][ T7704] fib6_nh_init+0x3d8/0x15b0 [17364.751545][ T7704] ip6_route_info_create+0xf18/0x17d0 [17364.751545][ T7704] ip6_route_add+0x1c/0x140 [17364.751545][ T7704] addrconf_prefix_route+0x2a6/0x430 [17364.751545][ T7704] inet6_addr_add+0x4f8/0xa40 [17364.751545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17364.751545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17364.751545][ T7704] netlink_rcv_skb+0x130/0x360 [17364.751545][ T7704] netlink_unicast+0x449/0x710 [17364.751545][ T7704] netlink_sendmsg+0x723/0xbe0 [17364.751545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17364.751545][ T7704] ___sys_sendmsg+0xee/0x170 [17364.751545][ T7704] __sys_sendmsg+0xcd/0x170 [17364.751545][ T7704] do_syscall_64+0xc6/0x1e0 [17364.751545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17364.751545][ T7704] [17364.753795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17364.753795][ T7704] netdev_get_by_index+0x5e/0x80 [17364.753795][ T7704] fib6_nh_init+0x3d8/0x15b0 [17364.753795][ T7704] ip6_route_info_create+0xf18/0x17d0 [17364.753795][ T7704] addrconf_f6i_alloc+0x315/0x560 [17364.753795][ T7704] ipv6_add_addr+0x411/0x2000 [17364.753795][ T7704] inet6_addr_add+0x30e/0xa40 [17364.753795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17364.753795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17364.753795][ T7704] netlink_rcv_skb+0x130/0x360 [17364.753795][ T7704] netlink_unicast+0x449/0x710 [17364.753795][ T7704] netlink_sendmsg+0x723/0xbe0 [17364.753795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17364.753795][ T7704] ___sys_sendmsg+0xee/0x170 [17364.753795][ T7704] __sys_sendmsg+0xcd/0x170 [17364.753795][ T7704] do_syscall_64+0xc6/0x1e0 [17364.753795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17364.753795][ T7704] [17364.756026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17364.756026][ T7704] netdev_get_by_index+0x5e/0x80 [17364.756026][ T7704] fib6_nh_init+0x3d8/0x15b0 [17364.756026][ T7704] ip6_route_info_create+0xf18/0x17d0 [17364.756026][ T7704] ip6_route_add+0x1c/0x140 [17364.756026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17364.756026][ T7704] addrconf_add_dev+0xe2/0x170 [17364.756026][ T7704] inet6_addr_add+0x12f/0xa40 [17364.756026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17364.756026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17364.756026][ T7704] netlink_rcv_skb+0x130/0x360 [17364.756026][ T7704] netlink_unicast+0x449/0x710 [17364.756026][ T7704] netlink_sendmsg+0x723/0xbe0 [17364.756026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17364.756026][ T7704] ___sys_sendmsg+0xee/0x170 [17364.756026][ T7704] __sys_sendmsg+0xcd/0x170 [17364.756026][ T7704] do_syscall_64+0xc6/0x1e0 [17364.756026][ T7704] [17364.758165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17364.758165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17364.758165][ T7704] ipv6_find_idev+0x102/0x170 [17364.758165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17364.758165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17364.758165][ T7704] netlink_rcv_skb+0x130/0x360 [17364.758165][ T7704] netlink_unicast+0x449/0x710 [17364.758165][ T7704] netlink_sendmsg+0x723/0xbe0 [17364.758165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17364.758165][ T7704] ___sys_sendmsg+0xee/0x170 [17364.758165][ T7704] __sys_sendmsg+0xcd/0x170 [17364.758165][ T7704] do_syscall_64+0xc6/0x1e0 [17364.758165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17364.758165][ T7704] [17364.759883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17364.759883][ T7704] neigh_parms_alloc+0x1e5/0x510 [17364.759883][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17364.759883][ T7704] ipv6_find_idev+0x102/0x170 [17364.759883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17364.759883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17364.759883][ T7704] netlink_rcv_skb+0x130/0x360 [17364.759883][ T7704] netlink_unicast+0x449/0x710 [17364.759883][ T7704] netlink_sendmsg+0x723/0xbe0 [17364.759883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17364.759883][ T7704] ___sys_sendmsg+0xee/0x170 [17364.759883][ T7704] __sys_sendmsg+0xcd/0x170 [17364.759883][ T7704] do_syscall_64+0xc6/0x1e0 [17364.759883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17364.759883][ T7704] [17374.807006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17374.807483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17374.807483][ T7704] netdev_get_by_index+0x5e/0x80 [17374.807483][ T7704] fib6_nh_init+0x3d8/0x15b0 [17374.807483][ T7704] ip6_route_info_create+0xf18/0x17d0 [17374.807483][ T7704] ip6_route_add+0x1c/0x140 [17374.807483][ T7704] addrconf_prefix_route+0x2a6/0x430 [17374.807483][ T7704] inet6_addr_add+0x4f8/0xa40 [17374.807483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17374.807483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17374.807483][ T7704] netlink_rcv_skb+0x130/0x360 [17374.807483][ T7704] netlink_unicast+0x449/0x710 [17374.807483][ T7704] netlink_sendmsg+0x723/0xbe0 [17374.807483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17374.807483][ T7704] ___sys_sendmsg+0xee/0x170 [17374.807483][ T7704] __sys_sendmsg+0xcd/0x170 [17374.807483][ T7704] do_syscall_64+0xc6/0x1e0 [17374.807483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17374.807483][ T7704] [17374.809724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17374.809724][ T7704] netdev_get_by_index+0x5e/0x80 [17374.809724][ T7704] fib6_nh_init+0x3d8/0x15b0 [17374.809724][ T7704] ip6_route_info_create+0xf18/0x17d0 [17374.809724][ T7704] addrconf_f6i_alloc+0x315/0x560 [17374.809724][ T7704] ipv6_add_addr+0x411/0x2000 [17374.809724][ T7704] inet6_addr_add+0x30e/0xa40 [17374.809724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17374.809724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17374.809724][ T7704] netlink_rcv_skb+0x130/0x360 [17374.809724][ T7704] netlink_unicast+0x449/0x710 [17374.809724][ T7704] netlink_sendmsg+0x723/0xbe0 [17374.809724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17374.809724][ T7704] ___sys_sendmsg+0xee/0x170 [17374.809724][ T7704] __sys_sendmsg+0xcd/0x170 [17374.809724][ T7704] do_syscall_64+0xc6/0x1e0 [17374.809724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17374.809724][ T7704] [17374.811939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17374.811939][ T7704] netdev_get_by_index+0x5e/0x80 [17374.811939][ T7704] fib6_nh_init+0x3d8/0x15b0 [17374.811939][ T7704] ip6_route_info_create+0xf18/0x17d0 [17374.811939][ T7704] ip6_route_add+0x1c/0x140 [17374.811939][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17374.811939][ T7704] addrconf_add_dev+0xe2/0x170 [17374.811939][ T7704] inet6_addr_add+0x12f/0xa40 [17374.811939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17374.811939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17374.811939][ T7704] netlink_rcv_skb+0x130/0x360 [17374.811939][ T7704] netlink_unicast+0x449/0x710 [17374.811939][ T7704] netlink_sendmsg+0x723/0xbe0 [17374.811939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17374.811939][ T7704] ___sys_sendmsg+0xee/0x170 [17374.811939][ T7704] __sys_sendmsg+0xcd/0x170 [17374.811939][ T7704] do_syscall_64+0xc6/0x1e0 [17374.811939][ T7704] [17374.814064][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17374.814064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17374.814064][ T7704] ipv6_find_idev+0x102/0x170 [17374.814064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17374.814064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17374.814064][ T7704] netlink_rcv_skb+0x130/0x360 [17374.814064][ T7704] netlink_unicast+0x449/0x710 [17374.814064][ T7704] netlink_sendmsg+0x723/0xbe0 [17374.814064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17374.814064][ T7704] ___sys_sendmsg+0xee/0x170 [17374.814064][ T7704] __sys_sendmsg+0xcd/0x170 [17374.814064][ T7704] do_syscall_64+0xc6/0x1e0 [17374.814064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17374.814064][ T7704] [17374.815729][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17374.815729][ T7704] neigh_parms_alloc+0x1e5/0x510 [17374.815729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17374.815729][ T7704] ipv6_find_idev+0x102/0x170 [17374.815729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17374.815729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17374.815729][ T7704] netlink_rcv_skb+0x130/0x360 [17374.815729][ T7704] netlink_unicast+0x449/0x710 [17374.815729][ T7704] netlink_sendmsg+0x723/0xbe0 [17374.815729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17374.815729][ T7704] ___sys_sendmsg+0xee/0x170 [17374.815729][ T7704] __sys_sendmsg+0xcd/0x170 [17374.815729][ T7704] do_syscall_64+0xc6/0x1e0 [17374.815729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17374.815729][ T7704] [17384.919016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17384.919739][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17384.919739][ T7704] netdev_get_by_index+0x5e/0x80 [17384.919739][ T7704] fib6_nh_init+0x3d8/0x15b0 [17384.919739][ T7704] ip6_route_info_create+0xf18/0x17d0 [17384.919739][ T7704] ip6_route_add+0x1c/0x140 [17384.919739][ T7704] addrconf_prefix_route+0x2a6/0x430 [17384.919739][ T7704] inet6_addr_add+0x4f8/0xa40 [17384.919739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17384.919739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17384.919739][ T7704] netlink_rcv_skb+0x130/0x360 [17384.919739][ T7704] netlink_unicast+0x449/0x710 [17384.919739][ T7704] netlink_sendmsg+0x723/0xbe0 [17384.919739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17384.919739][ T7704] ___sys_sendmsg+0xee/0x170 [17384.919739][ T7704] __sys_sendmsg+0xcd/0x170 [17384.919739][ T7704] do_syscall_64+0xc6/0x1e0 [17384.919739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17384.919739][ T7704] [17384.921994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17384.921994][ T7704] netdev_get_by_index+0x5e/0x80 [17384.921994][ T7704] fib6_nh_init+0x3d8/0x15b0 [17384.921994][ T7704] ip6_route_info_create+0xf18/0x17d0 [17384.921994][ T7704] addrconf_f6i_alloc+0x315/0x560 [17384.921994][ T7704] ipv6_add_addr+0x411/0x2000 [17384.921994][ T7704] inet6_addr_add+0x30e/0xa40 [17384.921994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17384.921994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17384.921994][ T7704] netlink_rcv_skb+0x130/0x360 [17384.921994][ T7704] netlink_unicast+0x449/0x710 [17384.921994][ T7704] netlink_sendmsg+0x723/0xbe0 [17384.921994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17384.921994][ T7704] ___sys_sendmsg+0xee/0x170 [17384.921994][ T7704] __sys_sendmsg+0xcd/0x170 [17384.921994][ T7704] do_syscall_64+0xc6/0x1e0 [17384.921994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17384.921994][ T7704] [17384.924673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17384.924673][ T7704] netdev_get_by_index+0x5e/0x80 [17384.924673][ T7704] fib6_nh_init+0x3d8/0x15b0 [17384.924673][ T7704] ip6_route_info_create+0xf18/0x17d0 [17384.924673][ T7704] ip6_route_add+0x1c/0x140 [17384.924673][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17384.924673][ T7704] addrconf_add_dev+0xe2/0x170 [17384.924673][ T7704] inet6_addr_add+0x12f/0xa40 [17384.924673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17384.924673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17384.924673][ T7704] netlink_rcv_skb+0x130/0x360 [17384.924673][ T7704] netlink_unicast+0x449/0x710 [17384.924673][ T7704] netlink_sendmsg+0x723/0xbe0 [17384.924673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17384.924673][ T7704] ___sys_sendmsg+0xee/0x170 [17384.924673][ T7704] __sys_sendmsg+0xcd/0x170 [17384.924673][ T7704] do_syscall_64+0xc6/0x1e0 [17384.924673][ T7704] [17384.926798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17384.926798][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17384.926798][ T7704] ipv6_find_idev+0x102/0x170 [17384.926798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17384.926798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17384.926798][ T7704] netlink_rcv_skb+0x130/0x360 [17384.926798][ T7704] netlink_unicast+0x449/0x710 [17384.926798][ T7704] netlink_sendmsg+0x723/0xbe0 [17384.926798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17384.926798][ T7704] ___sys_sendmsg+0xee/0x170 [17384.926798][ T7704] __sys_sendmsg+0xcd/0x170 [17384.926798][ T7704] do_syscall_64+0xc6/0x1e0 [17384.926798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17384.926798][ T7704] [17384.928494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17384.928494][ T7704] neigh_parms_alloc+0x1e5/0x510 [17384.928494][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17384.928494][ T7704] ipv6_find_idev+0x102/0x170 [17384.928494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17384.928494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17384.928494][ T7704] netlink_rcv_skb+0x130/0x360 [17384.928494][ T7704] netlink_unicast+0x449/0x710 [17384.928494][ T7704] netlink_sendmsg+0x723/0xbe0 [17384.928494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17384.928494][ T7704] ___sys_sendmsg+0xee/0x170 [17384.928494][ T7704] __sys_sendmsg+0xcd/0x170 [17384.928494][ T7704] do_syscall_64+0xc6/0x1e0 [17384.928494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17384.928494][ T7704] [17395.119037][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17395.119518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17395.119518][ T7704] netdev_get_by_index+0x5e/0x80 [17395.119518][ T7704] fib6_nh_init+0x3d8/0x15b0 [17395.119518][ T7704] ip6_route_info_create+0xf18/0x17d0 [17395.119518][ T7704] ip6_route_add+0x1c/0x140 [17395.119518][ T7704] addrconf_prefix_route+0x2a6/0x430 [17395.119518][ T7704] inet6_addr_add+0x4f8/0xa40 [17395.119518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17395.119518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17395.119518][ T7704] netlink_rcv_skb+0x130/0x360 [17395.119518][ T7704] netlink_unicast+0x449/0x710 [17395.119518][ T7704] netlink_sendmsg+0x723/0xbe0 [17395.119518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17395.119518][ T7704] ___sys_sendmsg+0xee/0x170 [17395.119518][ T7704] __sys_sendmsg+0xcd/0x170 [17395.119518][ T7704] do_syscall_64+0xc6/0x1e0 [17395.119518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17395.119518][ T7704] [17395.151092][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17395.151092][ T7704] netdev_get_by_index+0x5e/0x80 [17395.151092][ T7704] fib6_nh_init+0x3d8/0x15b0 [17395.151092][ T7704] ip6_route_info_create+0xf18/0x17d0 [17395.151092][ T7704] addrconf_f6i_alloc+0x315/0x560 [17395.151092][ T7704] ipv6_add_addr+0x411/0x2000 [17395.151092][ T7704] inet6_addr_add+0x30e/0xa40 [17395.151092][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17395.151092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17395.151092][ T7704] netlink_rcv_skb+0x130/0x360 [17395.151092][ T7704] netlink_unicast+0x449/0x710 [17395.151092][ T7704] netlink_sendmsg+0x723/0xbe0 [17395.151092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17395.151092][ T7704] ___sys_sendmsg+0xee/0x170 [17395.151092][ T7704] __sys_sendmsg+0xcd/0x170 [17395.151092][ T7704] do_syscall_64+0xc6/0x1e0 [17395.151092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17395.151092][ T7704] [17395.153319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17395.153319][ T7704] netdev_get_by_index+0x5e/0x80 [17395.153319][ T7704] fib6_nh_init+0x3d8/0x15b0 [17395.153319][ T7704] ip6_route_info_create+0xf18/0x17d0 [17395.153319][ T7704] ip6_route_add+0x1c/0x140 [17395.153319][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17395.153319][ T7704] addrconf_add_dev+0xe2/0x170 [17395.153319][ T7704] inet6_addr_add+0x12f/0xa40 [17395.153319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17395.153319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17395.153319][ T7704] netlink_rcv_skb+0x130/0x360 [17395.153319][ T7704] netlink_unicast+0x449/0x710 [17395.153319][ T7704] netlink_sendmsg+0x723/0xbe0 [17395.153319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17395.153319][ T7704] ___sys_sendmsg+0xee/0x170 [17395.153319][ T7704] __sys_sendmsg+0xcd/0x170 [17395.153319][ T7704] do_syscall_64+0xc6/0x1e0 [17395.153319][ T7704] [17395.155504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17395.155504][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17395.155504][ T7704] ipv6_find_idev+0x102/0x170 [17395.155504][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17395.155504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17395.155504][ T7704] netlink_rcv_skb+0x130/0x360 [17395.155504][ T7704] netlink_unicast+0x449/0x710 [17395.155504][ T7704] netlink_sendmsg+0x723/0xbe0 [17395.155504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17395.155504][ T7704] ___sys_sendmsg+0xee/0x170 [17395.155504][ T7704] __sys_sendmsg+0xcd/0x170 [17395.155504][ T7704] do_syscall_64+0xc6/0x1e0 [17395.155504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17395.155504][ T7704] [17395.157201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17395.157201][ T7704] neigh_parms_alloc+0x1e5/0x510 [17395.157201][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17395.157201][ T7704] ipv6_find_idev+0x102/0x170 [17395.157201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17395.157201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17395.157201][ T7704] netlink_rcv_skb+0x130/0x360 [17395.157201][ T7704] netlink_unicast+0x449/0x710 [17395.157201][ T7704] netlink_sendmsg+0x723/0xbe0 [17395.157201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17395.157201][ T7704] ___sys_sendmsg+0xee/0x170 [17395.157201][ T7704] __sys_sendmsg+0xcd/0x170 [17395.157201][ T7704] do_syscall_64+0xc6/0x1e0 [17395.157201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17395.157201][ T7704] [17405.399024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17405.399685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17405.399685][ T7704] netdev_get_by_index+0x5e/0x80 [17405.399685][ T7704] fib6_nh_init+0x3d8/0x15b0 [17405.399685][ T7704] ip6_route_info_create+0xf18/0x17d0 [17405.399685][ T7704] ip6_route_add+0x1c/0x140 [17405.399685][ T7704] addrconf_prefix_route+0x2a6/0x430 [17405.399685][ T7704] inet6_addr_add+0x4f8/0xa40 [17405.399685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17405.399685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17405.399685][ T7704] netlink_rcv_skb+0x130/0x360 [17405.399685][ T7704] netlink_unicast+0x449/0x710 [17405.399685][ T7704] netlink_sendmsg+0x723/0xbe0 [17405.399685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17405.399685][ T7704] ___sys_sendmsg+0xee/0x170 [17405.399685][ T7704] __sys_sendmsg+0xcd/0x170 [17405.399685][ T7704] do_syscall_64+0xc6/0x1e0 [17405.399685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17405.399685][ T7704] [17405.401934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17405.401934][ T7704] netdev_get_by_index+0x5e/0x80 [17405.401934][ T7704] fib6_nh_init+0x3d8/0x15b0 [17405.401934][ T7704] ip6_route_info_create+0xf18/0x17d0 [17405.401934][ T7704] addrconf_f6i_alloc+0x315/0x560 [17405.401934][ T7704] ipv6_add_addr+0x411/0x2000 [17405.401934][ T7704] inet6_addr_add+0x30e/0xa40 [17405.401934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17405.401934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17405.401934][ T7704] netlink_rcv_skb+0x130/0x360 [17405.401934][ T7704] netlink_unicast+0x449/0x710 [17405.401934][ T7704] netlink_sendmsg+0x723/0xbe0 [17405.401934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17405.401934][ T7704] ___sys_sendmsg+0xee/0x170 [17405.401934][ T7704] __sys_sendmsg+0xcd/0x170 [17405.401934][ T7704] do_syscall_64+0xc6/0x1e0 [17405.401934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17405.401934][ T7704] [17405.404155][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17405.404155][ T7704] netdev_get_by_index+0x5e/0x80 [17405.404155][ T7704] fib6_nh_init+0x3d8/0x15b0 [17405.404155][ T7704] ip6_route_info_create+0xf18/0x17d0 [17405.404155][ T7704] ip6_route_add+0x1c/0x140 [17405.404155][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17405.404155][ T7704] addrconf_add_dev+0xe2/0x170 [17405.404155][ T7704] inet6_addr_add+0x12f/0xa40 [17405.404155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17405.404155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17405.404155][ T7704] netlink_rcv_skb+0x130/0x360 [17405.404155][ T7704] netlink_unicast+0x449/0x710 [17405.404155][ T7704] netlink_sendmsg+0x723/0xbe0 [17405.404155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17405.404155][ T7704] ___sys_sendmsg+0xee/0x170 [17405.404155][ T7704] __sys_sendmsg+0xcd/0x170 [17405.404155][ T7704] do_syscall_64+0xc6/0x1e0 [17405.404155][ T7704] [17405.406445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17405.406445][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17405.406445][ T7704] ipv6_find_idev+0x102/0x170 [17405.406445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17405.406445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17405.406445][ T7704] netlink_rcv_skb+0x130/0x360 [17405.406445][ T7704] netlink_unicast+0x449/0x710 [17405.406445][ T7704] netlink_sendmsg+0x723/0xbe0 [17405.406445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17405.406445][ T7704] ___sys_sendmsg+0xee/0x170 [17405.406445][ T7704] __sys_sendmsg+0xcd/0x170 [17405.406445][ T7704] do_syscall_64+0xc6/0x1e0 [17405.406445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17405.406445][ T7704] [17405.408158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17405.408158][ T7704] neigh_parms_alloc+0x1e5/0x510 [17405.408158][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17405.408158][ T7704] ipv6_find_idev+0x102/0x170 [17405.408158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17405.408158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17405.408158][ T7704] netlink_rcv_skb+0x130/0x360 [17405.408158][ T7704] netlink_unicast+0x449/0x710 [17405.408158][ T7704] netlink_sendmsg+0x723/0xbe0 [17405.408158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17405.408158][ T7704] ___sys_sendmsg+0xee/0x170 [17405.408158][ T7704] __sys_sendmsg+0xcd/0x170 [17405.408158][ T7704] do_syscall_64+0xc6/0x1e0 [17405.408158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17405.408158][ T7704] [17415.647009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17415.647683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17415.647683][ T7704] netdev_get_by_index+0x5e/0x80 [17415.647683][ T7704] fib6_nh_init+0x3d8/0x15b0 [17415.647683][ T7704] ip6_route_info_create+0xf18/0x17d0 [17415.647683][ T7704] ip6_route_add+0x1c/0x140 [17415.647683][ T7704] addrconf_prefix_route+0x2a6/0x430 [17415.647683][ T7704] inet6_addr_add+0x4f8/0xa40 [17415.647683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17415.647683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17415.647683][ T7704] netlink_rcv_skb+0x130/0x360 [17415.647683][ T7704] netlink_unicast+0x449/0x710 [17415.647683][ T7704] netlink_sendmsg+0x723/0xbe0 [17415.647683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17415.647683][ T7704] ___sys_sendmsg+0xee/0x170 [17415.647683][ T7704] __sys_sendmsg+0xcd/0x170 [17415.647683][ T7704] do_syscall_64+0xc6/0x1e0 [17415.647683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17415.647683][ T7704] [17415.649876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17415.649876][ T7704] netdev_get_by_index+0x5e/0x80 [17415.649876][ T7704] fib6_nh_init+0x3d8/0x15b0 [17415.649876][ T7704] ip6_route_info_create+0xf18/0x17d0 [17415.649876][ T7704] addrconf_f6i_alloc+0x315/0x560 [17415.649876][ T7704] ipv6_add_addr+0x411/0x2000 [17415.649876][ T7704] inet6_addr_add+0x30e/0xa40 [17415.649876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17415.649876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17415.649876][ T7704] netlink_rcv_skb+0x130/0x360 [17415.649876][ T7704] netlink_unicast+0x449/0x710 [17415.649876][ T7704] netlink_sendmsg+0x723/0xbe0 [17415.649876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17415.649876][ T7704] ___sys_sendmsg+0xee/0x170 [17415.649876][ T7704] __sys_sendmsg+0xcd/0x170 [17415.649876][ T7704] do_syscall_64+0xc6/0x1e0 [17415.649876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17415.649876][ T7704] [17415.652096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17415.652096][ T7704] netdev_get_by_index+0x5e/0x80 [17415.652096][ T7704] fib6_nh_init+0x3d8/0x15b0 [17415.652096][ T7704] ip6_route_info_create+0xf18/0x17d0 [17415.652096][ T7704] ip6_route_add+0x1c/0x140 [17415.652096][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17415.652096][ T7704] addrconf_add_dev+0xe2/0x170 [17415.652096][ T7704] inet6_addr_add+0x12f/0xa40 [17415.652096][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17415.652096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17415.652096][ T7704] netlink_rcv_skb+0x130/0x360 [17415.652096][ T7704] netlink_unicast+0x449/0x710 [17415.652096][ T7704] netlink_sendmsg+0x723/0xbe0 [17415.652096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17415.652096][ T7704] ___sys_sendmsg+0xee/0x170 [17415.652096][ T7704] __sys_sendmsg+0xcd/0x170 [17415.652096][ T7704] do_syscall_64+0xc6/0x1e0 [17415.652096][ T7704] [17415.654289][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17415.654289][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17415.654289][ T7704] ipv6_find_idev+0x102/0x170 [17415.654289][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17415.654289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17415.654289][ T7704] netlink_rcv_skb+0x130/0x360 [17415.654289][ T7704] netlink_unicast+0x449/0x710 [17415.654289][ T7704] netlink_sendmsg+0x723/0xbe0 [17415.654289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17415.654289][ T7704] ___sys_sendmsg+0xee/0x170 [17415.654289][ T7704] __sys_sendmsg+0xcd/0x170 [17415.654289][ T7704] do_syscall_64+0xc6/0x1e0 [17415.654289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17415.654289][ T7704] [17415.655997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17415.655997][ T7704] neigh_parms_alloc+0x1e5/0x510 [17415.655997][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17415.655997][ T7704] ipv6_find_idev+0x102/0x170 [17415.655997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17415.655997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17415.655997][ T7704] netlink_rcv_skb+0x130/0x360 [17415.655997][ T7704] netlink_unicast+0x449/0x710 [17415.655997][ T7704] netlink_sendmsg+0x723/0xbe0 [17415.655997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17415.655997][ T7704] ___sys_sendmsg+0xee/0x170 [17415.655997][ T7704] __sys_sendmsg+0xcd/0x170 [17415.655997][ T7704] do_syscall_64+0xc6/0x1e0 [17415.655997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17415.655997][ T7704] [17425.894935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17425.895347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17425.895347][ T7704] netdev_get_by_index+0x5e/0x80 [17425.895347][ T7704] fib6_nh_init+0x3d8/0x15b0 [17425.895347][ T7704] ip6_route_info_create+0xf18/0x17d0 [17425.895347][ T7704] ip6_route_add+0x1c/0x140 [17425.895347][ T7704] addrconf_prefix_route+0x2a6/0x430 [17425.895347][ T7704] inet6_addr_add+0x4f8/0xa40 [17425.895347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17425.895347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17425.895347][ T7704] netlink_rcv_skb+0x130/0x360 [17425.895347][ T7704] netlink_unicast+0x449/0x710 [17425.895347][ T7704] netlink_sendmsg+0x723/0xbe0 [17425.895347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17425.895347][ T7704] ___sys_sendmsg+0xee/0x170 [17425.895347][ T7704] __sys_sendmsg+0xcd/0x170 [17425.895347][ T7704] do_syscall_64+0xc6/0x1e0 [17425.895347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17425.895347][ T7704] [17425.897566][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17425.897566][ T7704] netdev_get_by_index+0x5e/0x80 [17425.897566][ T7704] fib6_nh_init+0x3d8/0x15b0 [17425.897566][ T7704] ip6_route_info_create+0xf18/0x17d0 [17425.897566][ T7704] addrconf_f6i_alloc+0x315/0x560 [17425.897566][ T7704] ipv6_add_addr+0x411/0x2000 [17425.897566][ T7704] inet6_addr_add+0x30e/0xa40 [17425.897566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17425.897566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17425.897566][ T7704] netlink_rcv_skb+0x130/0x360 [17425.897566][ T7704] netlink_unicast+0x449/0x710 [17425.897566][ T7704] netlink_sendmsg+0x723/0xbe0 [17425.897566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17425.897566][ T7704] ___sys_sendmsg+0xee/0x170 [17425.897566][ T7704] __sys_sendmsg+0xcd/0x170 [17425.897566][ T7704] do_syscall_64+0xc6/0x1e0 [17425.897566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17425.897566][ T7704] [17425.899803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17425.899803][ T7704] netdev_get_by_index+0x5e/0x80 [17425.899803][ T7704] fib6_nh_init+0x3d8/0x15b0 [17425.899803][ T7704] ip6_route_info_create+0xf18/0x17d0 [17425.899803][ T7704] ip6_route_add+0x1c/0x140 [17425.899803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17425.899803][ T7704] addrconf_add_dev+0xe2/0x170 [17425.899803][ T7704] inet6_addr_add+0x12f/0xa40 [17425.899803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17425.899803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17425.899803][ T7704] netlink_rcv_skb+0x130/0x360 [17425.899803][ T7704] netlink_unicast+0x449/0x710 [17425.899803][ T7704] netlink_sendmsg+0x723/0xbe0 [17425.899803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17425.899803][ T7704] ___sys_sendmsg+0xee/0x170 [17425.899803][ T7704] __sys_sendmsg+0xcd/0x170 [17425.899803][ T7704] do_syscall_64+0xc6/0x1e0 [17425.899803][ T7704] [17425.901942][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17425.901942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17425.901942][ T7704] ipv6_find_idev+0x102/0x170 [17425.901942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17425.901942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17425.901942][ T7704] netlink_rcv_skb+0x130/0x360 [17425.901942][ T7704] netlink_unicast+0x449/0x710 [17425.901942][ T7704] netlink_sendmsg+0x723/0xbe0 [17425.901942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17425.901942][ T7704] ___sys_sendmsg+0xee/0x170 [17425.901942][ T7704] __sys_sendmsg+0xcd/0x170 [17425.901942][ T7704] do_syscall_64+0xc6/0x1e0 [17425.901942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17425.901942][ T7704] [17425.904159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17425.904159][ T7704] neigh_parms_alloc+0x1e5/0x510 [17425.904159][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17425.904159][ T7704] ipv6_find_idev+0x102/0x170 [17425.904159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17425.904159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17425.904159][ T7704] netlink_rcv_skb+0x130/0x360 [17425.904159][ T7704] netlink_unicast+0x449/0x710 [17425.904159][ T7704] netlink_sendmsg+0x723/0xbe0 [17425.904159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17425.904159][ T7704] ___sys_sendmsg+0xee/0x170 [17425.904159][ T7704] __sys_sendmsg+0xcd/0x170 [17425.904159][ T7704] do_syscall_64+0xc6/0x1e0 [17425.904159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17425.904159][ T7704] [17435.943002][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17435.943664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17435.943664][ T7704] netdev_get_by_index+0x5e/0x80 [17435.943664][ T7704] fib6_nh_init+0x3d8/0x15b0 [17435.943664][ T7704] ip6_route_info_create+0xf18/0x17d0 [17435.943664][ T7704] ip6_route_add+0x1c/0x140 [17435.943664][ T7704] addrconf_prefix_route+0x2a6/0x430 [17435.943664][ T7704] inet6_addr_add+0x4f8/0xa40 [17435.943664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17435.943664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17435.943664][ T7704] netlink_rcv_skb+0x130/0x360 [17435.943664][ T7704] netlink_unicast+0x449/0x710 [17435.943664][ T7704] netlink_sendmsg+0x723/0xbe0 [17435.943664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17435.943664][ T7704] ___sys_sendmsg+0xee/0x170 [17435.943664][ T7704] __sys_sendmsg+0xcd/0x170 [17435.943664][ T7704] do_syscall_64+0xc6/0x1e0 [17435.943664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17435.943664][ T7704] [17435.945857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17435.945857][ T7704] netdev_get_by_index+0x5e/0x80 [17435.945857][ T7704] fib6_nh_init+0x3d8/0x15b0 [17435.945857][ T7704] ip6_route_info_create+0xf18/0x17d0 [17435.945857][ T7704] addrconf_f6i_alloc+0x315/0x560 [17435.945857][ T7704] ipv6_add_addr+0x411/0x2000 [17435.945857][ T7704] inet6_addr_add+0x30e/0xa40 [17435.945857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17435.945857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17435.945857][ T7704] netlink_rcv_skb+0x130/0x360 [17435.945857][ T7704] netlink_unicast+0x449/0x710 [17435.945857][ T7704] netlink_sendmsg+0x723/0xbe0 [17435.945857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17435.945857][ T7704] ___sys_sendmsg+0xee/0x170 [17435.945857][ T7704] __sys_sendmsg+0xcd/0x170 [17435.945857][ T7704] do_syscall_64+0xc6/0x1e0 [17435.945857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17435.945857][ T7704] [17435.948027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17435.948027][ T7704] netdev_get_by_index+0x5e/0x80 [17435.948027][ T7704] fib6_nh_init+0x3d8/0x15b0 [17435.948027][ T7704] ip6_route_info_create+0xf18/0x17d0 [17435.948027][ T7704] ip6_route_add+0x1c/0x140 [17435.948027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17435.948027][ T7704] addrconf_add_dev+0xe2/0x170 [17435.948027][ T7704] inet6_addr_add+0x12f/0xa40 [17435.948027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17435.948027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17435.948027][ T7704] netlink_rcv_skb+0x130/0x360 [17435.948027][ T7704] netlink_unicast+0x449/0x710 [17435.948027][ T7704] netlink_sendmsg+0x723/0xbe0 [17435.948027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17435.948027][ T7704] ___sys_sendmsg+0xee/0x170 [17435.948027][ T7704] __sys_sendmsg+0xcd/0x170 [17435.948027][ T7704] do_syscall_64+0xc6/0x1e0 [17435.948027][ T7704] [17435.950238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17435.950238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17435.950238][ T7704] ipv6_find_idev+0x102/0x170 [17435.950238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17435.950238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17435.950238][ T7704] netlink_rcv_skb+0x130/0x360 [17435.950238][ T7704] netlink_unicast+0x449/0x710 [17435.950238][ T7704] netlink_sendmsg+0x723/0xbe0 [17435.950238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17435.950238][ T7704] ___sys_sendmsg+0xee/0x170 [17435.950238][ T7704] __sys_sendmsg+0xcd/0x170 [17435.950238][ T7704] do_syscall_64+0xc6/0x1e0 [17435.950238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17435.950238][ T7704] [17435.951978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17435.951978][ T7704] neigh_parms_alloc+0x1e5/0x510 [17435.951978][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17435.951978][ T7704] ipv6_find_idev+0x102/0x170 [17435.951978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17435.951978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17435.951978][ T7704] netlink_rcv_skb+0x130/0x360 [17435.951978][ T7704] netlink_unicast+0x449/0x710 [17435.951978][ T7704] netlink_sendmsg+0x723/0xbe0 [17435.951978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17435.951978][ T7704] ___sys_sendmsg+0xee/0x170 [17435.951978][ T7704] __sys_sendmsg+0xcd/0x170 [17435.951978][ T7704] do_syscall_64+0xc6/0x1e0 [17435.951978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17435.951978][ T7704] [17446.055003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17446.055655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17446.055655][ T7704] netdev_get_by_index+0x5e/0x80 [17446.055655][ T7704] fib6_nh_init+0x3d8/0x15b0 [17446.055655][ T7704] ip6_route_info_create+0xf18/0x17d0 [17446.055655][ T7704] ip6_route_add+0x1c/0x140 [17446.055655][ T7704] addrconf_prefix_route+0x2a6/0x430 [17446.055655][ T7704] inet6_addr_add+0x4f8/0xa40 [17446.055655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17446.055655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17446.055655][ T7704] netlink_rcv_skb+0x130/0x360 [17446.055655][ T7704] netlink_unicast+0x449/0x710 [17446.055655][ T7704] netlink_sendmsg+0x723/0xbe0 [17446.055655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17446.055655][ T7704] ___sys_sendmsg+0xee/0x170 [17446.055655][ T7704] __sys_sendmsg+0xcd/0x170 [17446.055655][ T7704] do_syscall_64+0xc6/0x1e0 [17446.055655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17446.055655][ T7704] [17446.057843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17446.057843][ T7704] netdev_get_by_index+0x5e/0x80 [17446.057843][ T7704] fib6_nh_init+0x3d8/0x15b0 [17446.057843][ T7704] ip6_route_info_create+0xf18/0x17d0 [17446.057843][ T7704] addrconf_f6i_alloc+0x315/0x560 [17446.057843][ T7704] ipv6_add_addr+0x411/0x2000 [17446.057843][ T7704] inet6_addr_add+0x30e/0xa40 [17446.057843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17446.057843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17446.057843][ T7704] netlink_rcv_skb+0x130/0x360 [17446.057843][ T7704] netlink_unicast+0x449/0x710 [17446.057843][ T7704] netlink_sendmsg+0x723/0xbe0 [17446.057843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17446.057843][ T7704] ___sys_sendmsg+0xee/0x170 [17446.057843][ T7704] __sys_sendmsg+0xcd/0x170 [17446.057843][ T7704] do_syscall_64+0xc6/0x1e0 [17446.057843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17446.057843][ T7704] [17446.060017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17446.060017][ T7704] netdev_get_by_index+0x5e/0x80 [17446.060017][ T7704] fib6_nh_init+0x3d8/0x15b0 [17446.060017][ T7704] ip6_route_info_create+0xf18/0x17d0 [17446.060017][ T7704] ip6_route_add+0x1c/0x140 [17446.060017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17446.060017][ T7704] addrconf_add_dev+0xe2/0x170 [17446.060017][ T7704] inet6_addr_add+0x12f/0xa40 [17446.060017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17446.060017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17446.060017][ T7704] netlink_rcv_skb+0x130/0x360 [17446.060017][ T7704] netlink_unicast+0x449/0x710 [17446.060017][ T7704] netlink_sendmsg+0x723/0xbe0 [17446.060017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17446.060017][ T7704] ___sys_sendmsg+0xee/0x170 [17446.060017][ T7704] __sys_sendmsg+0xcd/0x170 [17446.060017][ T7704] do_syscall_64+0xc6/0x1e0 [17446.060017][ T7704] [17446.062142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17446.062142][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17446.062142][ T7704] ipv6_find_idev+0x102/0x170 [17446.062142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17446.062142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17446.062142][ T7704] netlink_rcv_skb+0x130/0x360 [17446.062142][ T7704] netlink_unicast+0x449/0x710 [17446.062142][ T7704] netlink_sendmsg+0x723/0xbe0 [17446.062142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17446.062142][ T7704] ___sys_sendmsg+0xee/0x170 [17446.062142][ T7704] __sys_sendmsg+0xcd/0x170 [17446.062142][ T7704] do_syscall_64+0xc6/0x1e0 [17446.062142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17446.062142][ T7704] [17446.063803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17446.063803][ T7704] neigh_parms_alloc+0x1e5/0x510 [17446.063803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17446.063803][ T7704] ipv6_find_idev+0x102/0x170 [17446.063803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17446.063803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17446.063803][ T7704] netlink_rcv_skb+0x130/0x360 [17446.063803][ T7704] netlink_unicast+0x449/0x710 [17446.063803][ T7704] netlink_sendmsg+0x723/0xbe0 [17446.063803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17446.063803][ T7704] ___sys_sendmsg+0xee/0x170 [17446.063803][ T7704] __sys_sendmsg+0xcd/0x170 [17446.063803][ T7704] do_syscall_64+0xc6/0x1e0 [17446.063803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17446.063803][ T7704] [17456.303012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17456.303646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17456.303646][ T7704] netdev_get_by_index+0x5e/0x80 [17456.303646][ T7704] fib6_nh_init+0x3d8/0x15b0 [17456.303646][ T7704] ip6_route_info_create+0xf18/0x17d0 [17456.303646][ T7704] ip6_route_add+0x1c/0x140 [17456.303646][ T7704] addrconf_prefix_route+0x2a6/0x430 [17456.303646][ T7704] inet6_addr_add+0x4f8/0xa40 [17456.303646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17456.303646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17456.303646][ T7704] netlink_rcv_skb+0x130/0x360 [17456.303646][ T7704] netlink_unicast+0x449/0x710 [17456.303646][ T7704] netlink_sendmsg+0x723/0xbe0 [17456.303646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17456.303646][ T7704] ___sys_sendmsg+0xee/0x170 [17456.303646][ T7704] __sys_sendmsg+0xcd/0x170 [17456.303646][ T7704] do_syscall_64+0xc6/0x1e0 [17456.303646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17456.303646][ T7704] [17456.305867][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17456.305867][ T7704] netdev_get_by_index+0x5e/0x80 [17456.305867][ T7704] fib6_nh_init+0x3d8/0x15b0 [17456.305867][ T7704] ip6_route_info_create+0xf18/0x17d0 [17456.305867][ T7704] addrconf_f6i_alloc+0x315/0x560 [17456.305867][ T7704] ipv6_add_addr+0x411/0x2000 [17456.305867][ T7704] inet6_addr_add+0x30e/0xa40 [17456.305867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17456.305867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17456.305867][ T7704] netlink_rcv_skb+0x130/0x360 [17456.305867][ T7704] netlink_unicast+0x449/0x710 [17456.305867][ T7704] netlink_sendmsg+0x723/0xbe0 [17456.305867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17456.305867][ T7704] ___sys_sendmsg+0xee/0x170 [17456.305867][ T7704] __sys_sendmsg+0xcd/0x170 [17456.305867][ T7704] do_syscall_64+0xc6/0x1e0 [17456.305867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17456.305867][ T7704] [17456.308029][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17456.308029][ T7704] netdev_get_by_index+0x5e/0x80 [17456.308029][ T7704] fib6_nh_init+0x3d8/0x15b0 [17456.308029][ T7704] ip6_route_info_create+0xf18/0x17d0 [17456.308029][ T7704] ip6_route_add+0x1c/0x140 [17456.308029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17456.308029][ T7704] addrconf_add_dev+0xe2/0x170 [17456.308029][ T7704] inet6_addr_add+0x12f/0xa40 [17456.308029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17456.308029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17456.308029][ T7704] netlink_rcv_skb+0x130/0x360 [17456.308029][ T7704] netlink_unicast+0x449/0x710 [17456.308029][ T7704] netlink_sendmsg+0x723/0xbe0 [17456.308029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17456.308029][ T7704] ___sys_sendmsg+0xee/0x170 [17456.308029][ T7704] __sys_sendmsg+0xcd/0x170 [17456.308029][ T7704] do_syscall_64+0xc6/0x1e0 [17456.308029][ T7704] [17456.310238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17456.310238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17456.310238][ T7704] ipv6_find_idev+0x102/0x170 [17456.310238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17456.310238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17456.310238][ T7704] netlink_rcv_skb+0x130/0x360 [17456.310238][ T7704] netlink_unicast+0x449/0x710 [17456.310238][ T7704] netlink_sendmsg+0x723/0xbe0 [17456.310238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17456.310238][ T7704] ___sys_sendmsg+0xee/0x170 [17456.310238][ T7704] __sys_sendmsg+0xcd/0x170 [17456.310238][ T7704] do_syscall_64+0xc6/0x1e0 [17456.310238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17456.310238][ T7704] [17456.311911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17456.311911][ T7704] neigh_parms_alloc+0x1e5/0x510 [17456.311911][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17456.311911][ T7704] ipv6_find_idev+0x102/0x170 [17456.311911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17456.311911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17456.311911][ T7704] netlink_rcv_skb+0x130/0x360 [17456.311911][ T7704] netlink_unicast+0x449/0x710 [17456.311911][ T7704] netlink_sendmsg+0x723/0xbe0 [17456.311911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17456.311911][ T7704] ___sys_sendmsg+0xee/0x170 [17456.311911][ T7704] __sys_sendmsg+0xcd/0x170 [17456.311911][ T7704] do_syscall_64+0xc6/0x1e0 [17456.311911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17456.311911][ T7704] [17466.551016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17466.551528][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17466.551528][ T7704] netdev_get_by_index+0x5e/0x80 [17466.551528][ T7704] fib6_nh_init+0x3d8/0x15b0 [17466.551528][ T7704] ip6_route_info_create+0xf18/0x17d0 [17466.551528][ T7704] ip6_route_add+0x1c/0x140 [17466.551528][ T7704] addrconf_prefix_route+0x2a6/0x430 [17466.551528][ T7704] inet6_addr_add+0x4f8/0xa40 [17466.551528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17466.551528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17466.551528][ T7704] netlink_rcv_skb+0x130/0x360 [17466.551528][ T7704] netlink_unicast+0x449/0x710 [17466.551528][ T7704] netlink_sendmsg+0x723/0xbe0 [17466.551528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17466.551528][ T7704] ___sys_sendmsg+0xee/0x170 [17466.551528][ T7704] __sys_sendmsg+0xcd/0x170 [17466.551528][ T7704] do_syscall_64+0xc6/0x1e0 [17466.551528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17466.551528][ T7704] [17466.553725][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17466.553725][ T7704] netdev_get_by_index+0x5e/0x80 [17466.553725][ T7704] fib6_nh_init+0x3d8/0x15b0 [17466.553725][ T7704] ip6_route_info_create+0xf18/0x17d0 [17466.553725][ T7704] addrconf_f6i_alloc+0x315/0x560 [17466.553725][ T7704] ipv6_add_addr+0x411/0x2000 [17466.553725][ T7704] inet6_addr_add+0x30e/0xa40 [17466.553725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17466.553725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17466.553725][ T7704] netlink_rcv_skb+0x130/0x360 [17466.553725][ T7704] netlink_unicast+0x449/0x710 [17466.553725][ T7704] netlink_sendmsg+0x723/0xbe0 [17466.553725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17466.553725][ T7704] ___sys_sendmsg+0xee/0x170 [17466.553725][ T7704] __sys_sendmsg+0xcd/0x170 [17466.553725][ T7704] do_syscall_64+0xc6/0x1e0 [17466.553725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17466.553725][ T7704] [17466.555891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17466.555891][ T7704] netdev_get_by_index+0x5e/0x80 [17466.555891][ T7704] fib6_nh_init+0x3d8/0x15b0 [17466.555891][ T7704] ip6_route_info_create+0xf18/0x17d0 [17466.555891][ T7704] ip6_route_add+0x1c/0x140 [17466.555891][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17466.555891][ T7704] addrconf_add_dev+0xe2/0x170 [17466.555891][ T7704] inet6_addr_add+0x12f/0xa40 [17466.555891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17466.555891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17466.555891][ T7704] netlink_rcv_skb+0x130/0x360 [17466.555891][ T7704] netlink_unicast+0x449/0x710 [17466.555891][ T7704] netlink_sendmsg+0x723/0xbe0 [17466.555891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17466.555891][ T7704] ___sys_sendmsg+0xee/0x170 [17466.555891][ T7704] __sys_sendmsg+0xcd/0x170 [17466.555891][ T7704] do_syscall_64+0xc6/0x1e0 [17466.555891][ T7704] [17466.558059][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17466.558059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17466.558059][ T7704] ipv6_find_idev+0x102/0x170 [17466.558059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17466.558059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17466.558059][ T7704] netlink_rcv_skb+0x130/0x360 [17466.558059][ T7704] netlink_unicast+0x449/0x710 [17466.558059][ T7704] netlink_sendmsg+0x723/0xbe0 [17466.558059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17466.558059][ T7704] ___sys_sendmsg+0xee/0x170 [17466.558059][ T7704] __sys_sendmsg+0xcd/0x170 [17466.558059][ T7704] do_syscall_64+0xc6/0x1e0 [17466.558059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17466.558059][ T7704] [17466.560248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17466.560248][ T7704] neigh_parms_alloc+0x1e5/0x510 [17466.560248][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17466.560248][ T7704] ipv6_find_idev+0x102/0x170 [17466.560248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17466.560248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17466.560248][ T7704] netlink_rcv_skb+0x130/0x360 [17466.560248][ T7704] netlink_unicast+0x449/0x710 [17466.560248][ T7704] netlink_sendmsg+0x723/0xbe0 [17466.560248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17466.560248][ T7704] ___sys_sendmsg+0xee/0x170 [17466.560248][ T7704] __sys_sendmsg+0xcd/0x170 [17466.560248][ T7704] do_syscall_64+0xc6/0x1e0 [17466.560248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17466.560248][ T7704] [17476.798947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17476.799443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17476.799443][ T7704] netdev_get_by_index+0x5e/0x80 [17476.799443][ T7704] fib6_nh_init+0x3d8/0x15b0 [17476.799443][ T7704] ip6_route_info_create+0xf18/0x17d0 [17476.799443][ T7704] ip6_route_add+0x1c/0x140 [17476.799443][ T7704] addrconf_prefix_route+0x2a6/0x430 [17476.799443][ T7704] inet6_addr_add+0x4f8/0xa40 [17476.799443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17476.799443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17476.799443][ T7704] netlink_rcv_skb+0x130/0x360 [17476.799443][ T7704] netlink_unicast+0x449/0x710 [17476.799443][ T7704] netlink_sendmsg+0x723/0xbe0 [17476.799443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17476.799443][ T7704] ___sys_sendmsg+0xee/0x170 [17476.799443][ T7704] __sys_sendmsg+0xcd/0x170 [17476.799443][ T7704] do_syscall_64+0xc6/0x1e0 [17476.799443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17476.799443][ T7704] [17476.801744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17476.801744][ T7704] netdev_get_by_index+0x5e/0x80 [17476.801744][ T7704] fib6_nh_init+0x3d8/0x15b0 [17476.801744][ T7704] ip6_route_info_create+0xf18/0x17d0 [17476.801744][ T7704] addrconf_f6i_alloc+0x315/0x560 [17476.801744][ T7704] ipv6_add_addr+0x411/0x2000 [17476.801744][ T7704] inet6_addr_add+0x30e/0xa40 [17476.801744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17476.801744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17476.801744][ T7704] netlink_rcv_skb+0x130/0x360 [17476.801744][ T7704] netlink_unicast+0x449/0x710 [17476.801744][ T7704] netlink_sendmsg+0x723/0xbe0 [17476.801744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17476.801744][ T7704] ___sys_sendmsg+0xee/0x170 [17476.801744][ T7704] __sys_sendmsg+0xcd/0x170 [17476.801744][ T7704] do_syscall_64+0xc6/0x1e0 [17476.801744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17476.801744][ T7704] [17476.803996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17476.803996][ T7704] netdev_get_by_index+0x5e/0x80 [17476.803996][ T7704] fib6_nh_init+0x3d8/0x15b0 [17476.803996][ T7704] ip6_route_info_create+0xf18/0x17d0 [17476.803996][ T7704] ip6_route_add+0x1c/0x140 [17476.803996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17476.803996][ T7704] addrconf_add_dev+0xe2/0x170 [17476.803996][ T7704] inet6_addr_add+0x12f/0xa40 [17476.803996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17476.803996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17476.803996][ T7704] netlink_rcv_skb+0x130/0x360 [17476.803996][ T7704] netlink_unicast+0x449/0x710 [17476.803996][ T7704] netlink_sendmsg+0x723/0xbe0 [17476.803996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17476.803996][ T7704] ___sys_sendmsg+0xee/0x170 [17476.803996][ T7704] __sys_sendmsg+0xcd/0x170 [17476.803996][ T7704] do_syscall_64+0xc6/0x1e0 [17476.803996][ T7704] [17476.806188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17476.806188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17476.806188][ T7704] ipv6_find_idev+0x102/0x170 [17476.806188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17476.806188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17476.806188][ T7704] netlink_rcv_skb+0x130/0x360 [17476.806188][ T7704] netlink_unicast+0x449/0x710 [17476.806188][ T7704] netlink_sendmsg+0x723/0xbe0 [17476.806188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17476.806188][ T7704] ___sys_sendmsg+0xee/0x170 [17476.806188][ T7704] __sys_sendmsg+0xcd/0x170 [17476.806188][ T7704] do_syscall_64+0xc6/0x1e0 [17476.806188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17476.806188][ T7704] [17476.807894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17476.807894][ T7704] neigh_parms_alloc+0x1e5/0x510 [17476.807894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17476.807894][ T7704] ipv6_find_idev+0x102/0x170 [17476.807894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17476.807894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17476.807894][ T7704] netlink_rcv_skb+0x130/0x360 [17476.807894][ T7704] netlink_unicast+0x449/0x710 [17476.807894][ T7704] netlink_sendmsg+0x723/0xbe0 [17476.807894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17476.807894][ T7704] ___sys_sendmsg+0xee/0x170 [17476.807894][ T7704] __sys_sendmsg+0xcd/0x170 [17476.807894][ T7704] do_syscall_64+0xc6/0x1e0 [17476.807894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17476.807894][ T7704] [17486.839050][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17486.839553][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17486.839553][ T7704] netdev_get_by_index+0x5e/0x80 [17486.839553][ T7704] fib6_nh_init+0x3d8/0x15b0 [17486.839553][ T7704] ip6_route_info_create+0xf18/0x17d0 [17486.839553][ T7704] ip6_route_add+0x1c/0x140 [17486.839553][ T7704] addrconf_prefix_route+0x2a6/0x430 [17486.839553][ T7704] inet6_addr_add+0x4f8/0xa40 [17486.839553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17486.839553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17486.839553][ T7704] netlink_rcv_skb+0x130/0x360 [17486.839553][ T7704] netlink_unicast+0x449/0x710 [17486.839553][ T7704] netlink_sendmsg+0x723/0xbe0 [17486.839553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17486.839553][ T7704] ___sys_sendmsg+0xee/0x170 [17486.839553][ T7704] __sys_sendmsg+0xcd/0x170 [17486.839553][ T7704] do_syscall_64+0xc6/0x1e0 [17486.839553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17486.839553][ T7704] [17486.841841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17486.841841][ T7704] netdev_get_by_index+0x5e/0x80 [17486.841841][ T7704] fib6_nh_init+0x3d8/0x15b0 [17486.841841][ T7704] ip6_route_info_create+0xf18/0x17d0 [17486.841841][ T7704] addrconf_f6i_alloc+0x315/0x560 [17486.841841][ T7704] ipv6_add_addr+0x411/0x2000 [17486.841841][ T7704] inet6_addr_add+0x30e/0xa40 [17486.841841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17486.841841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17486.841841][ T7704] netlink_rcv_skb+0x130/0x360 [17486.841841][ T7704] netlink_unicast+0x449/0x710 [17486.841841][ T7704] netlink_sendmsg+0x723/0xbe0 [17486.841841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17486.841841][ T7704] ___sys_sendmsg+0xee/0x170 [17486.841841][ T7704] __sys_sendmsg+0xcd/0x170 [17486.841841][ T7704] do_syscall_64+0xc6/0x1e0 [17486.841841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17486.841841][ T7704] [17486.844125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17486.844125][ T7704] netdev_get_by_index+0x5e/0x80 [17486.844125][ T7704] fib6_nh_init+0x3d8/0x15b0 [17486.844125][ T7704] ip6_route_info_create+0xf18/0x17d0 [17486.844125][ T7704] ip6_route_add+0x1c/0x140 [17486.844125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17486.844125][ T7704] addrconf_add_dev+0xe2/0x170 [17486.844125][ T7704] inet6_addr_add+0x12f/0xa40 [17486.844125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17486.844125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17486.844125][ T7704] netlink_rcv_skb+0x130/0x360 [17486.844125][ T7704] netlink_unicast+0x449/0x710 [17486.844125][ T7704] netlink_sendmsg+0x723/0xbe0 [17486.844125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17486.844125][ T7704] ___sys_sendmsg+0xee/0x170 [17486.844125][ T7704] __sys_sendmsg+0xcd/0x170 [17486.844125][ T7704] do_syscall_64+0xc6/0x1e0 [17486.844125][ T7704] [17486.846359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17486.846359][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17486.846359][ T7704] ipv6_find_idev+0x102/0x170 [17486.846359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17486.846359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17486.846359][ T7704] netlink_rcv_skb+0x130/0x360 [17486.846359][ T7704] netlink_unicast+0x449/0x710 [17486.846359][ T7704] netlink_sendmsg+0x723/0xbe0 [17486.846359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17486.846359][ T7704] ___sys_sendmsg+0xee/0x170 [17486.846359][ T7704] __sys_sendmsg+0xcd/0x170 [17486.846359][ T7704] do_syscall_64+0xc6/0x1e0 [17486.846359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17486.846359][ T7704] [17486.848112][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17486.848112][ T7704] neigh_parms_alloc+0x1e5/0x510 [17486.848112][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17486.848112][ T7704] ipv6_find_idev+0x102/0x170 [17486.848112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17486.848112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17486.848112][ T7704] netlink_rcv_skb+0x130/0x360 [17486.848112][ T7704] netlink_unicast+0x449/0x710 [17486.848112][ T7704] netlink_sendmsg+0x723/0xbe0 [17486.848112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17486.848112][ T7704] ___sys_sendmsg+0xee/0x170 [17486.848112][ T7704] __sys_sendmsg+0xcd/0x170 [17486.848112][ T7704] do_syscall_64+0xc6/0x1e0 [17486.848112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17486.848112][ T7704] [17496.967009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17496.967516][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17496.967516][ T7704] netdev_get_by_index+0x5e/0x80 [17496.967516][ T7704] fib6_nh_init+0x3d8/0x15b0 [17496.967516][ T7704] ip6_route_info_create+0xf18/0x17d0 [17496.967516][ T7704] ip6_route_add+0x1c/0x140 [17496.967516][ T7704] addrconf_prefix_route+0x2a6/0x430 [17496.967516][ T7704] inet6_addr_add+0x4f8/0xa40 [17496.967516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17496.967516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17496.967516][ T7704] netlink_rcv_skb+0x130/0x360 [17496.967516][ T7704] netlink_unicast+0x449/0x710 [17496.967516][ T7704] netlink_sendmsg+0x723/0xbe0 [17496.967516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17496.967516][ T7704] ___sys_sendmsg+0xee/0x170 [17496.967516][ T7704] __sys_sendmsg+0xcd/0x170 [17496.967516][ T7704] do_syscall_64+0xc6/0x1e0 [17496.967516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17496.967516][ T7704] [17496.969810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17496.969810][ T7704] netdev_get_by_index+0x5e/0x80 [17496.969810][ T7704] fib6_nh_init+0x3d8/0x15b0 [17496.969810][ T7704] ip6_route_info_create+0xf18/0x17d0 [17496.969810][ T7704] addrconf_f6i_alloc+0x315/0x560 [17496.969810][ T7704] ipv6_add_addr+0x411/0x2000 [17496.969810][ T7704] inet6_addr_add+0x30e/0xa40 [17496.969810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17496.969810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17496.969810][ T7704] netlink_rcv_skb+0x130/0x360 [17496.969810][ T7704] netlink_unicast+0x449/0x710 [17496.969810][ T7704] netlink_sendmsg+0x723/0xbe0 [17496.969810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17496.969810][ T7704] ___sys_sendmsg+0xee/0x170 [17496.969810][ T7704] __sys_sendmsg+0xcd/0x170 [17496.969810][ T7704] do_syscall_64+0xc6/0x1e0 [17496.969810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17496.969810][ T7704] [17496.972157][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17496.972157][ T7704] netdev_get_by_index+0x5e/0x80 [17496.972157][ T7704] fib6_nh_init+0x3d8/0x15b0 [17496.972157][ T7704] ip6_route_info_create+0xf18/0x17d0 [17496.972157][ T7704] ip6_route_add+0x1c/0x140 [17496.972157][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17496.972157][ T7704] addrconf_add_dev+0xe2/0x170 [17496.972157][ T7704] inet6_addr_add+0x12f/0xa40 [17496.972157][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17496.972157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17496.972157][ T7704] netlink_rcv_skb+0x130/0x360 [17496.972157][ T7704] netlink_unicast+0x449/0x710 [17496.972157][ T7704] netlink_sendmsg+0x723/0xbe0 [17496.972157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17496.972157][ T7704] ___sys_sendmsg+0xee/0x170 [17496.972157][ T7704] __sys_sendmsg+0xcd/0x170 [17496.972157][ T7704] do_syscall_64+0xc6/0x1e0 [17496.972157][ T7704] [17496.974288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17496.974288][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17496.974288][ T7704] ipv6_find_idev+0x102/0x170 [17496.974288][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17496.974288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17496.974288][ T7704] netlink_rcv_skb+0x130/0x360 [17496.974288][ T7704] netlink_unicast+0x449/0x710 [17496.974288][ T7704] netlink_sendmsg+0x723/0xbe0 [17496.974288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17496.974288][ T7704] ___sys_sendmsg+0xee/0x170 [17496.974288][ T7704] __sys_sendmsg+0xcd/0x170 [17496.974288][ T7704] do_syscall_64+0xc6/0x1e0 [17496.974288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17496.974288][ T7704] [17496.975973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17496.975973][ T7704] neigh_parms_alloc+0x1e5/0x510 [17496.975973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17496.975973][ T7704] ipv6_find_idev+0x102/0x170 [17496.975973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17496.975973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17496.975973][ T7704] netlink_rcv_skb+0x130/0x360 [17496.975973][ T7704] netlink_unicast+0x449/0x710 [17496.975973][ T7704] netlink_sendmsg+0x723/0xbe0 [17496.975973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17496.975973][ T7704] ___sys_sendmsg+0xee/0x170 [17496.975973][ T7704] __sys_sendmsg+0xcd/0x170 [17496.975973][ T7704] do_syscall_64+0xc6/0x1e0 [17496.975973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17496.975973][ T7704] [17507.214990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17507.215720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17507.215720][ T7704] netdev_get_by_index+0x5e/0x80 [17507.215720][ T7704] fib6_nh_init+0x3d8/0x15b0 [17507.215720][ T7704] ip6_route_info_create+0xf18/0x17d0 [17507.215720][ T7704] ip6_route_add+0x1c/0x140 [17507.215720][ T7704] addrconf_prefix_route+0x2a6/0x430 [17507.215720][ T7704] inet6_addr_add+0x4f8/0xa40 [17507.215720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17507.215720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17507.215720][ T7704] netlink_rcv_skb+0x130/0x360 [17507.215720][ T7704] netlink_unicast+0x449/0x710 [17507.215720][ T7704] netlink_sendmsg+0x723/0xbe0 [17507.215720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17507.215720][ T7704] ___sys_sendmsg+0xee/0x170 [17507.215720][ T7704] __sys_sendmsg+0xcd/0x170 [17507.215720][ T7704] do_syscall_64+0xc6/0x1e0 [17507.215720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17507.215720][ T7704] [17507.217921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17507.217921][ T7704] netdev_get_by_index+0x5e/0x80 [17507.217921][ T7704] fib6_nh_init+0x3d8/0x15b0 [17507.217921][ T7704] ip6_route_info_create+0xf18/0x17d0 [17507.217921][ T7704] addrconf_f6i_alloc+0x315/0x560 [17507.217921][ T7704] ipv6_add_addr+0x411/0x2000 [17507.217921][ T7704] inet6_addr_add+0x30e/0xa40 [17507.217921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17507.217921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17507.217921][ T7704] netlink_rcv_skb+0x130/0x360 [17507.217921][ T7704] netlink_unicast+0x449/0x710 [17507.217921][ T7704] netlink_sendmsg+0x723/0xbe0 [17507.217921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17507.217921][ T7704] ___sys_sendmsg+0xee/0x170 [17507.217921][ T7704] __sys_sendmsg+0xcd/0x170 [17507.217921][ T7704] do_syscall_64+0xc6/0x1e0 [17507.217921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17507.217921][ T7704] [17507.220156][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17507.220156][ T7704] netdev_get_by_index+0x5e/0x80 [17507.220156][ T7704] fib6_nh_init+0x3d8/0x15b0 [17507.220156][ T7704] ip6_route_info_create+0xf18/0x17d0 [17507.220156][ T7704] ip6_route_add+0x1c/0x140 [17507.220156][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17507.220156][ T7704] addrconf_add_dev+0xe2/0x170 [17507.220156][ T7704] inet6_addr_add+0x12f/0xa40 [17507.220156][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17507.220156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17507.220156][ T7704] netlink_rcv_skb+0x130/0x360 [17507.220156][ T7704] netlink_unicast+0x449/0x710 [17507.220156][ T7704] netlink_sendmsg+0x723/0xbe0 [17507.220156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17507.220156][ T7704] ___sys_sendmsg+0xee/0x170 [17507.220156][ T7704] __sys_sendmsg+0xcd/0x170 [17507.220156][ T7704] do_syscall_64+0xc6/0x1e0 [17507.220156][ T7704] [17507.222344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17507.222344][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17507.222344][ T7704] ipv6_find_idev+0x102/0x170 [17507.222344][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17507.222344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17507.222344][ T7704] netlink_rcv_skb+0x130/0x360 [17507.222344][ T7704] netlink_unicast+0x449/0x710 [17507.222344][ T7704] netlink_sendmsg+0x723/0xbe0 [17507.222344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17507.222344][ T7704] ___sys_sendmsg+0xee/0x170 [17507.222344][ T7704] __sys_sendmsg+0xcd/0x170 [17507.222344][ T7704] do_syscall_64+0xc6/0x1e0 [17507.222344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17507.222344][ T7704] [17507.224070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17507.224070][ T7704] neigh_parms_alloc+0x1e5/0x510 [17507.224070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17507.224070][ T7704] ipv6_find_idev+0x102/0x170 [17507.224070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17507.224070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17507.224070][ T7704] netlink_rcv_skb+0x130/0x360 [17507.224070][ T7704] netlink_unicast+0x449/0x710 [17507.224070][ T7704] netlink_sendmsg+0x723/0xbe0 [17507.224070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17507.224070][ T7704] ___sys_sendmsg+0xee/0x170 [17507.224070][ T7704] __sys_sendmsg+0xcd/0x170 [17507.224070][ T7704] do_syscall_64+0xc6/0x1e0 [17507.224070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17507.224070][ T7704] [17517.462941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17517.463443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17517.463443][ T7704] netdev_get_by_index+0x5e/0x80 [17517.463443][ T7704] fib6_nh_init+0x3d8/0x15b0 [17517.463443][ T7704] ip6_route_info_create+0xf18/0x17d0 [17517.463443][ T7704] ip6_route_add+0x1c/0x140 [17517.463443][ T7704] addrconf_prefix_route+0x2a6/0x430 [17517.463443][ T7704] inet6_addr_add+0x4f8/0xa40 [17517.463443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17517.463443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17517.463443][ T7704] netlink_rcv_skb+0x130/0x360 [17517.463443][ T7704] netlink_unicast+0x449/0x710 [17517.463443][ T7704] netlink_sendmsg+0x723/0xbe0 [17517.463443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17517.463443][ T7704] ___sys_sendmsg+0xee/0x170 [17517.463443][ T7704] __sys_sendmsg+0xcd/0x170 [17517.463443][ T7704] do_syscall_64+0xc6/0x1e0 [17517.463443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17517.463443][ T7704] [17517.465696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17517.465696][ T7704] netdev_get_by_index+0x5e/0x80 [17517.465696][ T7704] fib6_nh_init+0x3d8/0x15b0 [17517.465696][ T7704] ip6_route_info_create+0xf18/0x17d0 [17517.465696][ T7704] addrconf_f6i_alloc+0x315/0x560 [17517.465696][ T7704] ipv6_add_addr+0x411/0x2000 [17517.465696][ T7704] inet6_addr_add+0x30e/0xa40 [17517.465696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17517.465696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17517.465696][ T7704] netlink_rcv_skb+0x130/0x360 [17517.465696][ T7704] netlink_unicast+0x449/0x710 [17517.465696][ T7704] netlink_sendmsg+0x723/0xbe0 [17517.465696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17517.465696][ T7704] ___sys_sendmsg+0xee/0x170 [17517.465696][ T7704] __sys_sendmsg+0xcd/0x170 [17517.465696][ T7704] do_syscall_64+0xc6/0x1e0 [17517.465696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17517.465696][ T7704] [17517.467914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17517.467914][ T7704] netdev_get_by_index+0x5e/0x80 [17517.467914][ T7704] fib6_nh_init+0x3d8/0x15b0 [17517.467914][ T7704] ip6_route_info_create+0xf18/0x17d0 [17517.467914][ T7704] ip6_route_add+0x1c/0x140 [17517.467914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17517.467914][ T7704] addrconf_add_dev+0xe2/0x170 [17517.467914][ T7704] inet6_addr_add+0x12f/0xa40 [17517.467914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17517.467914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17517.467914][ T7704] netlink_rcv_skb+0x130/0x360 [17517.467914][ T7704] netlink_unicast+0x449/0x710 [17517.467914][ T7704] netlink_sendmsg+0x723/0xbe0 [17517.467914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17517.467914][ T7704] ___sys_sendmsg+0xee/0x170 [17517.467914][ T7704] __sys_sendmsg+0xcd/0x170 [17517.467914][ T7704] do_syscall_64+0xc6/0x1e0 [17517.467914][ T7704] [17517.470111][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17517.470111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17517.470111][ T7704] ipv6_find_idev+0x102/0x170 [17517.470111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17517.470111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17517.470111][ T7704] netlink_rcv_skb+0x130/0x360 [17517.470111][ T7704] netlink_unicast+0x449/0x710 [17517.470111][ T7704] netlink_sendmsg+0x723/0xbe0 [17517.470111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17517.470111][ T7704] ___sys_sendmsg+0xee/0x170 [17517.470111][ T7704] __sys_sendmsg+0xcd/0x170 [17517.470111][ T7704] do_syscall_64+0xc6/0x1e0 [17517.470111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17517.470111][ T7704] [17517.471818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17517.471818][ T7704] neigh_parms_alloc+0x1e5/0x510 [17517.471818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17517.471818][ T7704] ipv6_find_idev+0x102/0x170 [17517.471818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17517.471818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17517.471818][ T7704] netlink_rcv_skb+0x130/0x360 [17517.471818][ T7704] netlink_unicast+0x449/0x710 [17517.471818][ T7704] netlink_sendmsg+0x723/0xbe0 [17517.471818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17517.471818][ T7704] ___sys_sendmsg+0xee/0x170 [17517.471818][ T7704] __sys_sendmsg+0xcd/0x170 [17517.471818][ T7704] do_syscall_64+0xc6/0x1e0 [17517.471818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17517.471818][ T7704] [17527.663009][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17527.663563][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17527.663563][ T7704] netdev_get_by_index+0x5e/0x80 [17527.663563][ T7704] fib6_nh_init+0x3d8/0x15b0 [17527.663563][ T7704] ip6_route_info_create+0xf18/0x17d0 [17527.663563][ T7704] ip6_route_add+0x1c/0x140 [17527.663563][ T7704] addrconf_prefix_route+0x2a6/0x430 [17527.663563][ T7704] inet6_addr_add+0x4f8/0xa40 [17527.663563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17527.663563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17527.663563][ T7704] netlink_rcv_skb+0x130/0x360 [17527.663563][ T7704] netlink_unicast+0x449/0x710 [17527.663563][ T7704] netlink_sendmsg+0x723/0xbe0 [17527.663563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17527.663563][ T7704] ___sys_sendmsg+0xee/0x170 [17527.663563][ T7704] __sys_sendmsg+0xcd/0x170 [17527.663563][ T7704] do_syscall_64+0xc6/0x1e0 [17527.663563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17527.663563][ T7704] [17527.665743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17527.665743][ T7704] netdev_get_by_index+0x5e/0x80 [17527.665743][ T7704] fib6_nh_init+0x3d8/0x15b0 [17527.665743][ T7704] ip6_route_info_create+0xf18/0x17d0 [17527.665743][ T7704] addrconf_f6i_alloc+0x315/0x560 [17527.665743][ T7704] ipv6_add_addr+0x411/0x2000 [17527.665743][ T7704] inet6_addr_add+0x30e/0xa40 [17527.665743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17527.665743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17527.665743][ T7704] netlink_rcv_skb+0x130/0x360 [17527.665743][ T7704] netlink_unicast+0x449/0x710 [17527.665743][ T7704] netlink_sendmsg+0x723/0xbe0 [17527.665743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17527.665743][ T7704] ___sys_sendmsg+0xee/0x170 [17527.665743][ T7704] __sys_sendmsg+0xcd/0x170 [17527.665743][ T7704] do_syscall_64+0xc6/0x1e0 [17527.665743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17527.665743][ T7704] [17527.667899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17527.667899][ T7704] netdev_get_by_index+0x5e/0x80 [17527.667899][ T7704] fib6_nh_init+0x3d8/0x15b0 [17527.667899][ T7704] ip6_route_info_create+0xf18/0x17d0 [17527.667899][ T7704] ip6_route_add+0x1c/0x140 [17527.667899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17527.667899][ T7704] addrconf_add_dev+0xe2/0x170 [17527.667899][ T7704] inet6_addr_add+0x12f/0xa40 [17527.667899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17527.667899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17527.667899][ T7704] netlink_rcv_skb+0x130/0x360 [17527.667899][ T7704] netlink_unicast+0x449/0x710 [17527.667899][ T7704] netlink_sendmsg+0x723/0xbe0 [17527.667899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17527.667899][ T7704] ___sys_sendmsg+0xee/0x170 [17527.667899][ T7704] __sys_sendmsg+0xcd/0x170 [17527.667899][ T7704] do_syscall_64+0xc6/0x1e0 [17527.667899][ T7704] [17527.670034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17527.670034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17527.670034][ T7704] ipv6_find_idev+0x102/0x170 [17527.670034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17527.670034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17527.670034][ T7704] netlink_rcv_skb+0x130/0x360 [17527.670034][ T7704] netlink_unicast+0x449/0x710 [17527.670034][ T7704] netlink_sendmsg+0x723/0xbe0 [17527.670034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17527.670034][ T7704] ___sys_sendmsg+0xee/0x170 [17527.670034][ T7704] __sys_sendmsg+0xcd/0x170 [17527.670034][ T7704] do_syscall_64+0xc6/0x1e0 [17527.670034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17527.670034][ T7704] [17527.671689][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17527.671689][ T7704] neigh_parms_alloc+0x1e5/0x510 [17527.671689][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17527.671689][ T7704] ipv6_find_idev+0x102/0x170 [17527.671689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17527.671689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17527.671689][ T7704] netlink_rcv_skb+0x130/0x360 [17527.671689][ T7704] netlink_unicast+0x449/0x710 [17527.671689][ T7704] netlink_sendmsg+0x723/0xbe0 [17527.671689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17527.671689][ T7704] ___sys_sendmsg+0xee/0x170 [17527.671689][ T7704] __sys_sendmsg+0xcd/0x170 [17527.671689][ T7704] do_syscall_64+0xc6/0x1e0 [17527.671689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17527.671689][ T7704] [17537.919014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17537.919687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17537.919687][ T7704] netdev_get_by_index+0x5e/0x80 [17537.919687][ T7704] fib6_nh_init+0x3d8/0x15b0 [17537.919687][ T7704] ip6_route_info_create+0xf18/0x17d0 [17537.919687][ T7704] ip6_route_add+0x1c/0x140 [17537.919687][ T7704] addrconf_prefix_route+0x2a6/0x430 [17537.919687][ T7704] inet6_addr_add+0x4f8/0xa40 [17537.919687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17537.919687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17537.919687][ T7704] netlink_rcv_skb+0x130/0x360 [17537.919687][ T7704] netlink_unicast+0x449/0x710 [17537.919687][ T7704] netlink_sendmsg+0x723/0xbe0 [17537.919687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17537.919687][ T7704] ___sys_sendmsg+0xee/0x170 [17537.919687][ T7704] __sys_sendmsg+0xcd/0x170 [17537.919687][ T7704] do_syscall_64+0xc6/0x1e0 [17537.919687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17537.919687][ T7704] [17537.921891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17537.921891][ T7704] netdev_get_by_index+0x5e/0x80 [17537.921891][ T7704] fib6_nh_init+0x3d8/0x15b0 [17537.921891][ T7704] ip6_route_info_create+0xf18/0x17d0 [17537.921891][ T7704] addrconf_f6i_alloc+0x315/0x560 [17537.921891][ T7704] ipv6_add_addr+0x411/0x2000 [17537.921891][ T7704] inet6_addr_add+0x30e/0xa40 [17537.921891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17537.921891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17537.921891][ T7704] netlink_rcv_skb+0x130/0x360 [17537.921891][ T7704] netlink_unicast+0x449/0x710 [17537.921891][ T7704] netlink_sendmsg+0x723/0xbe0 [17537.921891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17537.921891][ T7704] ___sys_sendmsg+0xee/0x170 [17537.921891][ T7704] __sys_sendmsg+0xcd/0x170 [17537.921891][ T7704] do_syscall_64+0xc6/0x1e0 [17537.921891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17537.921891][ T7704] [17537.924118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17537.924118][ T7704] netdev_get_by_index+0x5e/0x80 [17537.924118][ T7704] fib6_nh_init+0x3d8/0x15b0 [17537.924118][ T7704] ip6_route_info_create+0xf18/0x17d0 [17537.924118][ T7704] ip6_route_add+0x1c/0x140 [17537.924118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17537.924118][ T7704] addrconf_add_dev+0xe2/0x170 [17537.924118][ T7704] inet6_addr_add+0x12f/0xa40 [17537.924118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17537.924118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17537.924118][ T7704] netlink_rcv_skb+0x130/0x360 [17537.924118][ T7704] netlink_unicast+0x449/0x710 [17537.924118][ T7704] netlink_sendmsg+0x723/0xbe0 [17537.924118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17537.924118][ T7704] ___sys_sendmsg+0xee/0x170 [17537.924118][ T7704] __sys_sendmsg+0xcd/0x170 [17537.924118][ T7704] do_syscall_64+0xc6/0x1e0 [17537.924118][ T7704] [17537.926319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17537.926319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17537.926319][ T7704] ipv6_find_idev+0x102/0x170 [17537.926319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17537.926319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17537.926319][ T7704] netlink_rcv_skb+0x130/0x360 [17537.926319][ T7704] netlink_unicast+0x449/0x710 [17537.926319][ T7704] netlink_sendmsg+0x723/0xbe0 [17537.926319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17537.926319][ T7704] ___sys_sendmsg+0xee/0x170 [17537.926319][ T7704] __sys_sendmsg+0xcd/0x170 [17537.926319][ T7704] do_syscall_64+0xc6/0x1e0 [17537.926319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17537.926319][ T7704] [17537.928012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17537.928012][ T7704] neigh_parms_alloc+0x1e5/0x510 [17537.928012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17537.928012][ T7704] ipv6_find_idev+0x102/0x170 [17537.928012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17537.928012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17537.928012][ T7704] netlink_rcv_skb+0x130/0x360 [17537.928012][ T7704] netlink_unicast+0x449/0x710 [17537.928012][ T7704] netlink_sendmsg+0x723/0xbe0 [17537.928012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17537.928012][ T7704] ___sys_sendmsg+0xee/0x170 [17537.928012][ T7704] __sys_sendmsg+0xcd/0x170 [17537.928012][ T7704] do_syscall_64+0xc6/0x1e0 [17537.928012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17537.928012][ T7704] [17548.183025][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17548.183682][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17548.183682][ T7704] netdev_get_by_index+0x5e/0x80 [17548.183682][ T7704] fib6_nh_init+0x3d8/0x15b0 [17548.183682][ T7704] ip6_route_info_create+0xf18/0x17d0 [17548.183682][ T7704] ip6_route_add+0x1c/0x140 [17548.183682][ T7704] addrconf_prefix_route+0x2a6/0x430 [17548.183682][ T7704] inet6_addr_add+0x4f8/0xa40 [17548.183682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17548.183682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17548.183682][ T7704] netlink_rcv_skb+0x130/0x360 [17548.183682][ T7704] netlink_unicast+0x449/0x710 [17548.183682][ T7704] netlink_sendmsg+0x723/0xbe0 [17548.183682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17548.183682][ T7704] ___sys_sendmsg+0xee/0x170 [17548.183682][ T7704] __sys_sendmsg+0xcd/0x170 [17548.183682][ T7704] do_syscall_64+0xc6/0x1e0 [17548.183682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17548.183682][ T7704] [17548.185787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17548.185787][ T7704] netdev_get_by_index+0x5e/0x80 [17548.185787][ T7704] fib6_nh_init+0x3d8/0x15b0 [17548.185787][ T7704] ip6_route_info_create+0xf18/0x17d0 [17548.185787][ T7704] addrconf_f6i_alloc+0x315/0x560 [17548.185787][ T7704] ipv6_add_addr+0x411/0x2000 [17548.185787][ T7704] inet6_addr_add+0x30e/0xa40 [17548.185787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17548.185787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17548.185787][ T7704] netlink_rcv_skb+0x130/0x360 [17548.185787][ T7704] netlink_unicast+0x449/0x710 [17548.185787][ T7704] netlink_sendmsg+0x723/0xbe0 [17548.185787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17548.185787][ T7704] ___sys_sendmsg+0xee/0x170 [17548.185787][ T7704] __sys_sendmsg+0xcd/0x170 [17548.185787][ T7704] do_syscall_64+0xc6/0x1e0 [17548.185787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17548.185787][ T7704] [17548.187877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17548.187877][ T7704] netdev_get_by_index+0x5e/0x80 [17548.187877][ T7704] fib6_nh_init+0x3d8/0x15b0 [17548.187877][ T7704] ip6_route_info_create+0xf18/0x17d0 [17548.187877][ T7704] ip6_route_add+0x1c/0x140 [17548.187877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17548.187877][ T7704] addrconf_add_dev+0xe2/0x170 [17548.187877][ T7704] inet6_addr_add+0x12f/0xa40 [17548.187877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17548.187877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17548.187877][ T7704] netlink_rcv_skb+0x130/0x360 [17548.187877][ T7704] netlink_unicast+0x449/0x710 [17548.187877][ T7704] netlink_sendmsg+0x723/0xbe0 [17548.187877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17548.187877][ T7704] ___sys_sendmsg+0xee/0x170 [17548.187877][ T7704] __sys_sendmsg+0xcd/0x170 [17548.187877][ T7704] do_syscall_64+0xc6/0x1e0 [17548.187877][ T7704] [17548.189987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17548.189987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17548.189987][ T7704] ipv6_find_idev+0x102/0x170 [17548.189987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17548.189987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17548.189987][ T7704] netlink_rcv_skb+0x130/0x360 [17548.189987][ T7704] netlink_unicast+0x449/0x710 [17548.189987][ T7704] netlink_sendmsg+0x723/0xbe0 [17548.189987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17548.189987][ T7704] ___sys_sendmsg+0xee/0x170 [17548.189987][ T7704] __sys_sendmsg+0xcd/0x170 [17548.189987][ T7704] do_syscall_64+0xc6/0x1e0 [17548.189987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17548.189987][ T7704] [17548.191590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17548.191590][ T7704] neigh_parms_alloc+0x1e5/0x510 [17548.191590][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17548.191590][ T7704] ipv6_find_idev+0x102/0x170 [17548.191590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17548.191590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17548.191590][ T7704] netlink_rcv_skb+0x130/0x360 [17548.191590][ T7704] netlink_unicast+0x449/0x710 [17548.191590][ T7704] netlink_sendmsg+0x723/0xbe0 [17548.191590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17548.191590][ T7704] ___sys_sendmsg+0xee/0x170 [17548.191590][ T7704] __sys_sendmsg+0xcd/0x170 [17548.191590][ T7704] do_syscall_64+0xc6/0x1e0 [17548.191590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17548.191590][ T7704] [17558.438969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17558.439526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17558.439526][ T7704] netdev_get_by_index+0x5e/0x80 [17558.439526][ T7704] fib6_nh_init+0x3d8/0x15b0 [17558.439526][ T7704] ip6_route_info_create+0xf18/0x17d0 [17558.439526][ T7704] ip6_route_add+0x1c/0x140 [17558.439526][ T7704] addrconf_prefix_route+0x2a6/0x430 [17558.439526][ T7704] inet6_addr_add+0x4f8/0xa40 [17558.439526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17558.439526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17558.439526][ T7704] netlink_rcv_skb+0x130/0x360 [17558.439526][ T7704] netlink_unicast+0x449/0x710 [17558.439526][ T7704] netlink_sendmsg+0x723/0xbe0 [17558.439526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17558.439526][ T7704] ___sys_sendmsg+0xee/0x170 [17558.439526][ T7704] __sys_sendmsg+0xcd/0x170 [17558.439526][ T7704] do_syscall_64+0xc6/0x1e0 [17558.439526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17558.439526][ T7704] [17558.441789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17558.441789][ T7704] netdev_get_by_index+0x5e/0x80 [17558.441789][ T7704] fib6_nh_init+0x3d8/0x15b0 [17558.441789][ T7704] ip6_route_info_create+0xf18/0x17d0 [17558.441789][ T7704] addrconf_f6i_alloc+0x315/0x560 [17558.441789][ T7704] ipv6_add_addr+0x411/0x2000 [17558.441789][ T7704] inet6_addr_add+0x30e/0xa40 [17558.441789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17558.441789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17558.441789][ T7704] netlink_rcv_skb+0x130/0x360 [17558.441789][ T7704] netlink_unicast+0x449/0x710 [17558.441789][ T7704] netlink_sendmsg+0x723/0xbe0 [17558.441789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17558.441789][ T7704] ___sys_sendmsg+0xee/0x170 [17558.441789][ T7704] __sys_sendmsg+0xcd/0x170 [17558.441789][ T7704] do_syscall_64+0xc6/0x1e0 [17558.441789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17558.441789][ T7704] [17558.443883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17558.443883][ T7704] netdev_get_by_index+0x5e/0x80 [17558.443883][ T7704] fib6_nh_init+0x3d8/0x15b0 [17558.443883][ T7704] ip6_route_info_create+0xf18/0x17d0 [17558.443883][ T7704] ip6_route_add+0x1c/0x140 [17558.443883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17558.443883][ T7704] addrconf_add_dev+0xe2/0x170 [17558.443883][ T7704] inet6_addr_add+0x12f/0xa40 [17558.443883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17558.443883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17558.443883][ T7704] netlink_rcv_skb+0x130/0x360 [17558.443883][ T7704] netlink_unicast+0x449/0x710 [17558.443883][ T7704] netlink_sendmsg+0x723/0xbe0 [17558.443883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17558.443883][ T7704] ___sys_sendmsg+0xee/0x170 [17558.443883][ T7704] __sys_sendmsg+0xcd/0x170 [17558.443883][ T7704] do_syscall_64+0xc6/0x1e0 [17558.443883][ T7704] [17558.446019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17558.446019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17558.446019][ T7704] ipv6_find_idev+0x102/0x170 [17558.446019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17558.446019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17558.446019][ T7704] netlink_rcv_skb+0x130/0x360 [17558.446019][ T7704] netlink_unicast+0x449/0x710 [17558.446019][ T7704] netlink_sendmsg+0x723/0xbe0 [17558.446019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17558.446019][ T7704] ___sys_sendmsg+0xee/0x170 [17558.446019][ T7704] __sys_sendmsg+0xcd/0x170 [17558.446019][ T7704] do_syscall_64+0xc6/0x1e0 [17558.446019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17558.446019][ T7704] [17558.447633][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17558.447633][ T7704] neigh_parms_alloc+0x1e5/0x510 [17558.447633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17558.447633][ T7704] ipv6_find_idev+0x102/0x170 [17558.447633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17558.447633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17558.447633][ T7704] netlink_rcv_skb+0x130/0x360 [17558.447633][ T7704] netlink_unicast+0x449/0x710 [17558.447633][ T7704] netlink_sendmsg+0x723/0xbe0 [17558.447633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17558.447633][ T7704] ___sys_sendmsg+0xee/0x170 [17558.447633][ T7704] __sys_sendmsg+0xcd/0x170 [17558.447633][ T7704] do_syscall_64+0xc6/0x1e0 [17558.447633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17558.447633][ T7704] [17568.694988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17568.695451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17568.695451][ T7704] netdev_get_by_index+0x5e/0x80 [17568.695451][ T7704] fib6_nh_init+0x3d8/0x15b0 [17568.695451][ T7704] ip6_route_info_create+0xf18/0x17d0 [17568.695451][ T7704] ip6_route_add+0x1c/0x140 [17568.695451][ T7704] addrconf_prefix_route+0x2a6/0x430 [17568.695451][ T7704] inet6_addr_add+0x4f8/0xa40 [17568.695451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17568.695451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17568.695451][ T7704] netlink_rcv_skb+0x130/0x360 [17568.695451][ T7704] netlink_unicast+0x449/0x710 [17568.695451][ T7704] netlink_sendmsg+0x723/0xbe0 [17568.695451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17568.695451][ T7704] ___sys_sendmsg+0xee/0x170 [17568.695451][ T7704] __sys_sendmsg+0xcd/0x170 [17568.695451][ T7704] do_syscall_64+0xc6/0x1e0 [17568.695451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17568.695451][ T7704] [17568.697911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17568.697911][ T7704] netdev_get_by_index+0x5e/0x80 [17568.697911][ T7704] fib6_nh_init+0x3d8/0x15b0 [17568.697911][ T7704] ip6_route_info_create+0xf18/0x17d0 [17568.697911][ T7704] addrconf_f6i_alloc+0x315/0x560 [17568.697911][ T7704] ipv6_add_addr+0x411/0x2000 [17568.697911][ T7704] inet6_addr_add+0x30e/0xa40 [17568.697911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17568.697911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17568.697911][ T7704] netlink_rcv_skb+0x130/0x360 [17568.697911][ T7704] netlink_unicast+0x449/0x710 [17568.697911][ T7704] netlink_sendmsg+0x723/0xbe0 [17568.697911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17568.697911][ T7704] ___sys_sendmsg+0xee/0x170 [17568.697911][ T7704] __sys_sendmsg+0xcd/0x170 [17568.697911][ T7704] do_syscall_64+0xc6/0x1e0 [17568.697911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17568.697911][ T7704] [17568.700370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17568.700370][ T7704] netdev_get_by_index+0x5e/0x80 [17568.700370][ T7704] fib6_nh_init+0x3d8/0x15b0 [17568.700370][ T7704] ip6_route_info_create+0xf18/0x17d0 [17568.700370][ T7704] ip6_route_add+0x1c/0x140 [17568.700370][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17568.700370][ T7704] addrconf_add_dev+0xe2/0x170 [17568.700370][ T7704] inet6_addr_add+0x12f/0xa40 [17568.700370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17568.700370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17568.700370][ T7704] netlink_rcv_skb+0x130/0x360 [17568.700370][ T7704] netlink_unicast+0x449/0x710 [17568.700370][ T7704] netlink_sendmsg+0x723/0xbe0 [17568.700370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17568.700370][ T7704] ___sys_sendmsg+0xee/0x170 [17568.700370][ T7704] __sys_sendmsg+0xcd/0x170 [17568.700370][ T7704] do_syscall_64+0xc6/0x1e0 [17568.700370][ T7704] [17568.702698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17568.702698][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17568.702698][ T7704] ipv6_find_idev+0x102/0x170 [17568.702698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17568.702698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17568.702698][ T7704] netlink_rcv_skb+0x130/0x360 [17568.702698][ T7704] netlink_unicast+0x449/0x710 [17568.702698][ T7704] netlink_sendmsg+0x723/0xbe0 [17568.702698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17568.702698][ T7704] ___sys_sendmsg+0xee/0x170 [17568.702698][ T7704] __sys_sendmsg+0xcd/0x170 [17568.702698][ T7704] do_syscall_64+0xc6/0x1e0 [17568.702698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17568.702698][ T7704] [17568.704548][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17568.704548][ T7704] neigh_parms_alloc+0x1e5/0x510 [17568.704548][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17568.704548][ T7704] ipv6_find_idev+0x102/0x170 [17568.704548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17568.704548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17568.704548][ T7704] netlink_rcv_skb+0x130/0x360 [17568.704548][ T7704] netlink_unicast+0x449/0x710 [17568.704548][ T7704] netlink_sendmsg+0x723/0xbe0 [17568.704548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17568.704548][ T7704] ___sys_sendmsg+0xee/0x170 [17568.704548][ T7704] __sys_sendmsg+0xcd/0x170 [17568.704548][ T7704] do_syscall_64+0xc6/0x1e0 [17568.704548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17568.704548][ T7704] [17578.958945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17578.959495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17578.959495][ T7704] netdev_get_by_index+0x5e/0x80 [17578.959495][ T7704] fib6_nh_init+0x3d8/0x15b0 [17578.959495][ T7704] ip6_route_info_create+0xf18/0x17d0 [17578.959495][ T7704] ip6_route_add+0x1c/0x140 [17578.959495][ T7704] addrconf_prefix_route+0x2a6/0x430 [17578.959495][ T7704] inet6_addr_add+0x4f8/0xa40 [17578.959495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17578.959495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17578.959495][ T7704] netlink_rcv_skb+0x130/0x360 [17578.959495][ T7704] netlink_unicast+0x449/0x710 [17578.959495][ T7704] netlink_sendmsg+0x723/0xbe0 [17578.959495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17578.959495][ T7704] ___sys_sendmsg+0xee/0x170 [17578.959495][ T7704] __sys_sendmsg+0xcd/0x170 [17578.959495][ T7704] do_syscall_64+0xc6/0x1e0 [17578.959495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17578.959495][ T7704] [17578.961716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17578.961716][ T7704] netdev_get_by_index+0x5e/0x80 [17578.961716][ T7704] fib6_nh_init+0x3d8/0x15b0 [17578.961716][ T7704] ip6_route_info_create+0xf18/0x17d0 [17578.961716][ T7704] addrconf_f6i_alloc+0x315/0x560 [17578.961716][ T7704] ipv6_add_addr+0x411/0x2000 [17578.961716][ T7704] inet6_addr_add+0x30e/0xa40 [17578.961716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17578.961716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17578.961716][ T7704] netlink_rcv_skb+0x130/0x360 [17578.961716][ T7704] netlink_unicast+0x449/0x710 [17578.961716][ T7704] netlink_sendmsg+0x723/0xbe0 [17578.961716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17578.961716][ T7704] ___sys_sendmsg+0xee/0x170 [17578.961716][ T7704] __sys_sendmsg+0xcd/0x170 [17578.961716][ T7704] do_syscall_64+0xc6/0x1e0 [17578.961716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17578.961716][ T7704] [17578.963914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17578.963914][ T7704] netdev_get_by_index+0x5e/0x80 [17578.963914][ T7704] fib6_nh_init+0x3d8/0x15b0 [17578.963914][ T7704] ip6_route_info_create+0xf18/0x17d0 [17578.963914][ T7704] ip6_route_add+0x1c/0x140 [17578.963914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17578.963914][ T7704] addrconf_add_dev+0xe2/0x170 [17578.963914][ T7704] inet6_addr_add+0x12f/0xa40 [17578.963914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17578.963914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17578.963914][ T7704] netlink_rcv_skb+0x130/0x360 [17578.963914][ T7704] netlink_unicast+0x449/0x710 [17578.963914][ T7704] netlink_sendmsg+0x723/0xbe0 [17578.963914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17578.963914][ T7704] ___sys_sendmsg+0xee/0x170 [17578.963914][ T7704] __sys_sendmsg+0xcd/0x170 [17578.963914][ T7704] do_syscall_64+0xc6/0x1e0 [17578.963914][ T7704] [17578.966146][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17578.966146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17578.966146][ T7704] ipv6_find_idev+0x102/0x170 [17578.966146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17578.966146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17578.966146][ T7704] netlink_rcv_skb+0x130/0x360 [17578.966146][ T7704] netlink_unicast+0x449/0x710 [17578.966146][ T7704] netlink_sendmsg+0x723/0xbe0 [17578.966146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17578.966146][ T7704] ___sys_sendmsg+0xee/0x170 [17578.966146][ T7704] __sys_sendmsg+0xcd/0x170 [17578.966146][ T7704] do_syscall_64+0xc6/0x1e0 [17578.966146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17578.966146][ T7704] [17578.967890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17578.967890][ T7704] neigh_parms_alloc+0x1e5/0x510 [17578.967890][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17578.967890][ T7704] ipv6_find_idev+0x102/0x170 [17578.967890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17578.967890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17578.967890][ T7704] netlink_rcv_skb+0x130/0x360 [17578.967890][ T7704] netlink_unicast+0x449/0x710 [17578.967890][ T7704] netlink_sendmsg+0x723/0xbe0 [17578.967890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17578.967890][ T7704] ___sys_sendmsg+0xee/0x170 [17578.967890][ T7704] __sys_sendmsg+0xcd/0x170 [17578.967890][ T7704] do_syscall_64+0xc6/0x1e0 [17578.967890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17578.967890][ T7704] [17589.167016][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17589.167569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17589.167569][ T7704] netdev_get_by_index+0x5e/0x80 [17589.167569][ T7704] fib6_nh_init+0x3d8/0x15b0 [17589.167569][ T7704] ip6_route_info_create+0xf18/0x17d0 [17589.167569][ T7704] ip6_route_add+0x1c/0x140 [17589.167569][ T7704] addrconf_prefix_route+0x2a6/0x430 [17589.167569][ T7704] inet6_addr_add+0x4f8/0xa40 [17589.167569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17589.167569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17589.167569][ T7704] netlink_rcv_skb+0x130/0x360 [17589.167569][ T7704] netlink_unicast+0x449/0x710 [17589.167569][ T7704] netlink_sendmsg+0x723/0xbe0 [17589.167569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17589.167569][ T7704] ___sys_sendmsg+0xee/0x170 [17589.167569][ T7704] __sys_sendmsg+0xcd/0x170 [17589.167569][ T7704] do_syscall_64+0xc6/0x1e0 [17589.167569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17589.167569][ T7704] [17589.169777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17589.169777][ T7704] netdev_get_by_index+0x5e/0x80 [17589.169777][ T7704] fib6_nh_init+0x3d8/0x15b0 [17589.169777][ T7704] ip6_route_info_create+0xf18/0x17d0 [17589.169777][ T7704] addrconf_f6i_alloc+0x315/0x560 [17589.169777][ T7704] ipv6_add_addr+0x411/0x2000 [17589.169777][ T7704] inet6_addr_add+0x30e/0xa40 [17589.169777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17589.169777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17589.169777][ T7704] netlink_rcv_skb+0x130/0x360 [17589.169777][ T7704] netlink_unicast+0x449/0x710 [17589.169777][ T7704] netlink_sendmsg+0x723/0xbe0 [17589.169777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17589.169777][ T7704] ___sys_sendmsg+0xee/0x170 [17589.169777][ T7704] __sys_sendmsg+0xcd/0x170 [17589.169777][ T7704] do_syscall_64+0xc6/0x1e0 [17589.169777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17589.169777][ T7704] [17589.171987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17589.171987][ T7704] netdev_get_by_index+0x5e/0x80 [17589.171987][ T7704] fib6_nh_init+0x3d8/0x15b0 [17589.171987][ T7704] ip6_route_info_create+0xf18/0x17d0 [17589.171987][ T7704] ip6_route_add+0x1c/0x140 [17589.171987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17589.171987][ T7704] addrconf_add_dev+0xe2/0x170 [17589.171987][ T7704] inet6_addr_add+0x12f/0xa40 [17589.171987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17589.171987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17589.171987][ T7704] netlink_rcv_skb+0x130/0x360 [17589.171987][ T7704] netlink_unicast+0x449/0x710 [17589.171987][ T7704] netlink_sendmsg+0x723/0xbe0 [17589.171987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17589.171987][ T7704] ___sys_sendmsg+0xee/0x170 [17589.171987][ T7704] __sys_sendmsg+0xcd/0x170 [17589.171987][ T7704] do_syscall_64+0xc6/0x1e0 [17589.171987][ T7704] [17589.174663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17589.174663][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17589.174663][ T7704] ipv6_find_idev+0x102/0x170 [17589.174663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17589.174663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17589.174663][ T7704] netlink_rcv_skb+0x130/0x360 [17589.174663][ T7704] netlink_unicast+0x449/0x710 [17589.174663][ T7704] netlink_sendmsg+0x723/0xbe0 [17589.174663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17589.174663][ T7704] ___sys_sendmsg+0xee/0x170 [17589.174663][ T7704] __sys_sendmsg+0xcd/0x170 [17589.174663][ T7704] do_syscall_64+0xc6/0x1e0 [17589.174663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17589.174663][ T7704] [17589.176326][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17589.176326][ T7704] neigh_parms_alloc+0x1e5/0x510 [17589.176326][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17589.176326][ T7704] ipv6_find_idev+0x102/0x170 [17589.176326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17589.176326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17589.176326][ T7704] netlink_rcv_skb+0x130/0x360 [17589.176326][ T7704] netlink_unicast+0x449/0x710 [17589.176326][ T7704] netlink_sendmsg+0x723/0xbe0 [17589.176326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17589.176326][ T7704] ___sys_sendmsg+0xee/0x170 [17589.176326][ T7704] __sys_sendmsg+0xcd/0x170 [17589.176326][ T7704] do_syscall_64+0xc6/0x1e0 [17589.176326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17589.176326][ T7704] [17599.415005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17599.415590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17599.415590][ T7704] netdev_get_by_index+0x5e/0x80 [17599.415590][ T7704] fib6_nh_init+0x3d8/0x15b0 [17599.415590][ T7704] ip6_route_info_create+0xf18/0x17d0 [17599.415590][ T7704] ip6_route_add+0x1c/0x140 [17599.415590][ T7704] addrconf_prefix_route+0x2a6/0x430 [17599.415590][ T7704] inet6_addr_add+0x4f8/0xa40 [17599.415590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17599.415590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17599.415590][ T7704] netlink_rcv_skb+0x130/0x360 [17599.415590][ T7704] netlink_unicast+0x449/0x710 [17599.415590][ T7704] netlink_sendmsg+0x723/0xbe0 [17599.415590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17599.415590][ T7704] ___sys_sendmsg+0xee/0x170 [17599.415590][ T7704] __sys_sendmsg+0xcd/0x170 [17599.415590][ T7704] do_syscall_64+0xc6/0x1e0 [17599.415590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17599.415590][ T7704] [17599.417772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17599.417772][ T7704] netdev_get_by_index+0x5e/0x80 [17599.417772][ T7704] fib6_nh_init+0x3d8/0x15b0 [17599.417772][ T7704] ip6_route_info_create+0xf18/0x17d0 [17599.417772][ T7704] addrconf_f6i_alloc+0x315/0x560 [17599.417772][ T7704] ipv6_add_addr+0x411/0x2000 [17599.417772][ T7704] inet6_addr_add+0x30e/0xa40 [17599.417772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17599.417772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17599.417772][ T7704] netlink_rcv_skb+0x130/0x360 [17599.417772][ T7704] netlink_unicast+0x449/0x710 [17599.417772][ T7704] netlink_sendmsg+0x723/0xbe0 [17599.417772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17599.417772][ T7704] ___sys_sendmsg+0xee/0x170 [17599.417772][ T7704] __sys_sendmsg+0xcd/0x170 [17599.417772][ T7704] do_syscall_64+0xc6/0x1e0 [17599.417772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17599.417772][ T7704] [17599.419955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17599.419955][ T7704] netdev_get_by_index+0x5e/0x80 [17599.419955][ T7704] fib6_nh_init+0x3d8/0x15b0 [17599.419955][ T7704] ip6_route_info_create+0xf18/0x17d0 [17599.419955][ T7704] ip6_route_add+0x1c/0x140 [17599.419955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17599.419955][ T7704] addrconf_add_dev+0xe2/0x170 [17599.419955][ T7704] inet6_addr_add+0x12f/0xa40 [17599.419955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17599.419955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17599.419955][ T7704] netlink_rcv_skb+0x130/0x360 [17599.419955][ T7704] netlink_unicast+0x449/0x710 [17599.419955][ T7704] netlink_sendmsg+0x723/0xbe0 [17599.419955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17599.419955][ T7704] ___sys_sendmsg+0xee/0x170 [17599.419955][ T7704] __sys_sendmsg+0xcd/0x170 [17599.419955][ T7704] do_syscall_64+0xc6/0x1e0 [17599.419955][ T7704] [17599.422073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17599.422073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17599.422073][ T7704] ipv6_find_idev+0x102/0x170 [17599.422073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17599.422073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17599.422073][ T7704] netlink_rcv_skb+0x130/0x360 [17599.422073][ T7704] netlink_unicast+0x449/0x710 [17599.422073][ T7704] netlink_sendmsg+0x723/0xbe0 [17599.422073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17599.422073][ T7704] ___sys_sendmsg+0xee/0x170 [17599.422073][ T7704] __sys_sendmsg+0xcd/0x170 [17599.422073][ T7704] do_syscall_64+0xc6/0x1e0 [17599.422073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17599.422073][ T7704] [17599.423737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17599.423737][ T7704] neigh_parms_alloc+0x1e5/0x510 [17599.423737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17599.423737][ T7704] ipv6_find_idev+0x102/0x170 [17599.423737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17599.423737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17599.423737][ T7704] netlink_rcv_skb+0x130/0x360 [17599.423737][ T7704] netlink_unicast+0x449/0x710 [17599.423737][ T7704] netlink_sendmsg+0x723/0xbe0 [17599.423737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17599.423737][ T7704] ___sys_sendmsg+0xee/0x170 [17599.423737][ T7704] __sys_sendmsg+0xcd/0x170 [17599.423737][ T7704] do_syscall_64+0xc6/0x1e0 [17599.423737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17599.423737][ T7704] [17609.663005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17609.663752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17609.663752][ T7704] netdev_get_by_index+0x5e/0x80 [17609.663752][ T7704] fib6_nh_init+0x3d8/0x15b0 [17609.663752][ T7704] ip6_route_info_create+0xf18/0x17d0 [17609.663752][ T7704] ip6_route_add+0x1c/0x140 [17609.663752][ T7704] addrconf_prefix_route+0x2a6/0x430 [17609.663752][ T7704] inet6_addr_add+0x4f8/0xa40 [17609.663752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17609.663752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17609.663752][ T7704] netlink_rcv_skb+0x130/0x360 [17609.663752][ T7704] netlink_unicast+0x449/0x710 [17609.663752][ T7704] netlink_sendmsg+0x723/0xbe0 [17609.663752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17609.663752][ T7704] ___sys_sendmsg+0xee/0x170 [17609.663752][ T7704] __sys_sendmsg+0xcd/0x170 [17609.663752][ T7704] do_syscall_64+0xc6/0x1e0 [17609.663752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17609.663752][ T7704] [17609.666110][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17609.666110][ T7704] netdev_get_by_index+0x5e/0x80 [17609.666110][ T7704] fib6_nh_init+0x3d8/0x15b0 [17609.666110][ T7704] ip6_route_info_create+0xf18/0x17d0 [17609.666110][ T7704] addrconf_f6i_alloc+0x315/0x560 [17609.666110][ T7704] ipv6_add_addr+0x411/0x2000 [17609.666110][ T7704] inet6_addr_add+0x30e/0xa40 [17609.666110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17609.666110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17609.666110][ T7704] netlink_rcv_skb+0x130/0x360 [17609.666110][ T7704] netlink_unicast+0x449/0x710 [17609.666110][ T7704] netlink_sendmsg+0x723/0xbe0 [17609.666110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17609.666110][ T7704] ___sys_sendmsg+0xee/0x170 [17609.666110][ T7704] __sys_sendmsg+0xcd/0x170 [17609.666110][ T7704] do_syscall_64+0xc6/0x1e0 [17609.666110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17609.666110][ T7704] [17609.668302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17609.668302][ T7704] netdev_get_by_index+0x5e/0x80 [17609.668302][ T7704] fib6_nh_init+0x3d8/0x15b0 [17609.668302][ T7704] ip6_route_info_create+0xf18/0x17d0 [17609.668302][ T7704] ip6_route_add+0x1c/0x140 [17609.668302][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17609.668302][ T7704] addrconf_add_dev+0xe2/0x170 [17609.668302][ T7704] inet6_addr_add+0x12f/0xa40 [17609.668302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17609.668302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17609.668302][ T7704] netlink_rcv_skb+0x130/0x360 [17609.668302][ T7704] netlink_unicast+0x449/0x710 [17609.668302][ T7704] netlink_sendmsg+0x723/0xbe0 [17609.668302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17609.668302][ T7704] ___sys_sendmsg+0xee/0x170 [17609.668302][ T7704] __sys_sendmsg+0xcd/0x170 [17609.668302][ T7704] do_syscall_64+0xc6/0x1e0 [17609.668302][ T7704] [17609.670429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17609.670429][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17609.670429][ T7704] ipv6_find_idev+0x102/0x170 [17609.670429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17609.670429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17609.670429][ T7704] netlink_rcv_skb+0x130/0x360 [17609.670429][ T7704] netlink_unicast+0x449/0x710 [17609.670429][ T7704] netlink_sendmsg+0x723/0xbe0 [17609.670429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17609.670429][ T7704] ___sys_sendmsg+0xee/0x170 [17609.670429][ T7704] __sys_sendmsg+0xcd/0x170 [17609.670429][ T7704] do_syscall_64+0xc6/0x1e0 [17609.670429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17609.670429][ T7704] [17609.672173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17609.672173][ T7704] neigh_parms_alloc+0x1e5/0x510 [17609.672173][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17609.672173][ T7704] ipv6_find_idev+0x102/0x170 [17609.672173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17609.672173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17609.672173][ T7704] netlink_rcv_skb+0x130/0x360 [17609.672173][ T7704] netlink_unicast+0x449/0x710 [17609.672173][ T7704] netlink_sendmsg+0x723/0xbe0 [17609.672173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17609.672173][ T7704] ___sys_sendmsg+0xee/0x170 [17609.672173][ T7704] __sys_sendmsg+0xcd/0x170 [17609.672173][ T7704] do_syscall_64+0xc6/0x1e0 [17609.672173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17609.672173][ T7704] [17619.911007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17619.911595][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17619.911595][ T7704] netdev_get_by_index+0x5e/0x80 [17619.911595][ T7704] fib6_nh_init+0x3d8/0x15b0 [17619.911595][ T7704] ip6_route_info_create+0xf18/0x17d0 [17619.911595][ T7704] ip6_route_add+0x1c/0x140 [17619.911595][ T7704] addrconf_prefix_route+0x2a6/0x430 [17619.911595][ T7704] inet6_addr_add+0x4f8/0xa40 [17619.911595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17619.911595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17619.911595][ T7704] netlink_rcv_skb+0x130/0x360 [17619.911595][ T7704] netlink_unicast+0x449/0x710 [17619.911595][ T7704] netlink_sendmsg+0x723/0xbe0 [17619.911595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17619.911595][ T7704] ___sys_sendmsg+0xee/0x170 [17619.911595][ T7704] __sys_sendmsg+0xcd/0x170 [17619.911595][ T7704] do_syscall_64+0xc6/0x1e0 [17619.911595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17619.911595][ T7704] [17619.913817][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17619.913817][ T7704] netdev_get_by_index+0x5e/0x80 [17619.913817][ T7704] fib6_nh_init+0x3d8/0x15b0 [17619.913817][ T7704] ip6_route_info_create+0xf18/0x17d0 [17619.913817][ T7704] addrconf_f6i_alloc+0x315/0x560 [17619.913817][ T7704] ipv6_add_addr+0x411/0x2000 [17619.913817][ T7704] inet6_addr_add+0x30e/0xa40 [17619.913817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17619.913817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17619.913817][ T7704] netlink_rcv_skb+0x130/0x360 [17619.913817][ T7704] netlink_unicast+0x449/0x710 [17619.913817][ T7704] netlink_sendmsg+0x723/0xbe0 [17619.913817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17619.913817][ T7704] ___sys_sendmsg+0xee/0x170 [17619.913817][ T7704] __sys_sendmsg+0xcd/0x170 [17619.913817][ T7704] do_syscall_64+0xc6/0x1e0 [17619.913817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17619.913817][ T7704] [17619.916005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17619.916005][ T7704] netdev_get_by_index+0x5e/0x80 [17619.916005][ T7704] fib6_nh_init+0x3d8/0x15b0 [17619.916005][ T7704] ip6_route_info_create+0xf18/0x17d0 [17619.916005][ T7704] ip6_route_add+0x1c/0x140 [17619.916005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17619.916005][ T7704] addrconf_add_dev+0xe2/0x170 [17619.916005][ T7704] inet6_addr_add+0x12f/0xa40 [17619.916005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17619.916005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17619.916005][ T7704] netlink_rcv_skb+0x130/0x360 [17619.916005][ T7704] netlink_unicast+0x449/0x710 [17619.916005][ T7704] netlink_sendmsg+0x723/0xbe0 [17619.916005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17619.916005][ T7704] ___sys_sendmsg+0xee/0x170 [17619.916005][ T7704] __sys_sendmsg+0xcd/0x170 [17619.916005][ T7704] do_syscall_64+0xc6/0x1e0 [17619.916005][ T7704] [17619.918205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17619.918205][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17619.918205][ T7704] ipv6_find_idev+0x102/0x170 [17619.918205][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17619.918205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17619.918205][ T7704] netlink_rcv_skb+0x130/0x360 [17619.918205][ T7704] netlink_unicast+0x449/0x710 [17619.918205][ T7704] netlink_sendmsg+0x723/0xbe0 [17619.918205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17619.918205][ T7704] ___sys_sendmsg+0xee/0x170 [17619.918205][ T7704] __sys_sendmsg+0xcd/0x170 [17619.918205][ T7704] do_syscall_64+0xc6/0x1e0 [17619.918205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17619.918205][ T7704] [17619.919917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17619.919917][ T7704] neigh_parms_alloc+0x1e5/0x510 [17619.919917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17619.919917][ T7704] ipv6_find_idev+0x102/0x170 [17619.919917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17619.919917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17619.919917][ T7704] netlink_rcv_skb+0x130/0x360 [17619.919917][ T7704] netlink_unicast+0x449/0x710 [17619.919917][ T7704] netlink_sendmsg+0x723/0xbe0 [17619.919917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17619.919917][ T7704] ___sys_sendmsg+0xee/0x170 [17619.919917][ T7704] __sys_sendmsg+0xcd/0x170 [17619.919917][ T7704] do_syscall_64+0xc6/0x1e0 [17619.919917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17619.919917][ T7704] [17630.159013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17630.159803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17630.159803][ T7704] netdev_get_by_index+0x5e/0x80 [17630.159803][ T7704] fib6_nh_init+0x3d8/0x15b0 [17630.159803][ T7704] ip6_route_info_create+0xf18/0x17d0 [17630.159803][ T7704] ip6_route_add+0x1c/0x140 [17630.159803][ T7704] addrconf_prefix_route+0x2a6/0x430 [17630.159803][ T7704] inet6_addr_add+0x4f8/0xa40 [17630.159803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17630.159803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17630.159803][ T7704] netlink_rcv_skb+0x130/0x360 [17630.159803][ T7704] netlink_unicast+0x449/0x710 [17630.159803][ T7704] netlink_sendmsg+0x723/0xbe0 [17630.159803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17630.159803][ T7704] ___sys_sendmsg+0xee/0x170 [17630.159803][ T7704] __sys_sendmsg+0xcd/0x170 [17630.159803][ T7704] do_syscall_64+0xc6/0x1e0 [17630.159803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17630.159803][ T7704] [17630.162021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17630.162021][ T7704] netdev_get_by_index+0x5e/0x80 [17630.162021][ T7704] fib6_nh_init+0x3d8/0x15b0 [17630.162021][ T7704] ip6_route_info_create+0xf18/0x17d0 [17630.162021][ T7704] addrconf_f6i_alloc+0x315/0x560 [17630.162021][ T7704] ipv6_add_addr+0x411/0x2000 [17630.162021][ T7704] inet6_addr_add+0x30e/0xa40 [17630.162021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17630.162021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17630.162021][ T7704] netlink_rcv_skb+0x130/0x360 [17630.162021][ T7704] netlink_unicast+0x449/0x710 [17630.162021][ T7704] netlink_sendmsg+0x723/0xbe0 [17630.162021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17630.162021][ T7704] ___sys_sendmsg+0xee/0x170 [17630.162021][ T7704] __sys_sendmsg+0xcd/0x170 [17630.162021][ T7704] do_syscall_64+0xc6/0x1e0 [17630.162021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17630.162021][ T7704] [17630.164207][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17630.164207][ T7704] netdev_get_by_index+0x5e/0x80 [17630.164207][ T7704] fib6_nh_init+0x3d8/0x15b0 [17630.164207][ T7704] ip6_route_info_create+0xf18/0x17d0 [17630.164207][ T7704] ip6_route_add+0x1c/0x140 [17630.164207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17630.164207][ T7704] addrconf_add_dev+0xe2/0x170 [17630.164207][ T7704] inet6_addr_add+0x12f/0xa40 [17630.164207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17630.164207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17630.164207][ T7704] netlink_rcv_skb+0x130/0x360 [17630.164207][ T7704] netlink_unicast+0x449/0x710 [17630.164207][ T7704] netlink_sendmsg+0x723/0xbe0 [17630.164207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17630.164207][ T7704] ___sys_sendmsg+0xee/0x170 [17630.164207][ T7704] __sys_sendmsg+0xcd/0x170 [17630.164207][ T7704] do_syscall_64+0xc6/0x1e0 [17630.164207][ T7704] [17630.166357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17630.166357][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17630.166357][ T7704] ipv6_find_idev+0x102/0x170 [17630.166357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17630.166357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17630.166357][ T7704] netlink_rcv_skb+0x130/0x360 [17630.166357][ T7704] netlink_unicast+0x449/0x710 [17630.166357][ T7704] netlink_sendmsg+0x723/0xbe0 [17630.166357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17630.166357][ T7704] ___sys_sendmsg+0xee/0x170 [17630.166357][ T7704] __sys_sendmsg+0xcd/0x170 [17630.166357][ T7704] do_syscall_64+0xc6/0x1e0 [17630.166357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17630.166357][ T7704] [17630.168091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17630.168091][ T7704] neigh_parms_alloc+0x1e5/0x510 [17630.168091][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17630.168091][ T7704] ipv6_find_idev+0x102/0x170 [17630.168091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17630.168091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17630.168091][ T7704] netlink_rcv_skb+0x130/0x360 [17630.168091][ T7704] netlink_unicast+0x449/0x710 [17630.168091][ T7704] netlink_sendmsg+0x723/0xbe0 [17630.168091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17630.168091][ T7704] ___sys_sendmsg+0xee/0x170 [17630.168091][ T7704] __sys_sendmsg+0xcd/0x170 [17630.168091][ T7704] do_syscall_64+0xc6/0x1e0 [17630.168091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17630.168091][ T7704] [17640.375006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17640.375568][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17640.375568][ T7704] netdev_get_by_index+0x5e/0x80 [17640.375568][ T7704] fib6_nh_init+0x3d8/0x15b0 [17640.375568][ T7704] ip6_route_info_create+0xf18/0x17d0 [17640.375568][ T7704] ip6_route_add+0x1c/0x140 [17640.375568][ T7704] addrconf_prefix_route+0x2a6/0x430 [17640.375568][ T7704] inet6_addr_add+0x4f8/0xa40 [17640.375568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17640.375568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17640.375568][ T7704] netlink_rcv_skb+0x130/0x360 [17640.375568][ T7704] netlink_unicast+0x449/0x710 [17640.375568][ T7704] netlink_sendmsg+0x723/0xbe0 [17640.375568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17640.375568][ T7704] ___sys_sendmsg+0xee/0x170 [17640.375568][ T7704] __sys_sendmsg+0xcd/0x170 [17640.375568][ T7704] do_syscall_64+0xc6/0x1e0 [17640.375568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17640.375568][ T7704] [17640.377905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17640.377905][ T7704] netdev_get_by_index+0x5e/0x80 [17640.377905][ T7704] fib6_nh_init+0x3d8/0x15b0 [17640.377905][ T7704] ip6_route_info_create+0xf18/0x17d0 [17640.377905][ T7704] addrconf_f6i_alloc+0x315/0x560 [17640.377905][ T7704] ipv6_add_addr+0x411/0x2000 [17640.377905][ T7704] inet6_addr_add+0x30e/0xa40 [17640.377905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17640.377905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17640.377905][ T7704] netlink_rcv_skb+0x130/0x360 [17640.377905][ T7704] netlink_unicast+0x449/0x710 [17640.377905][ T7704] netlink_sendmsg+0x723/0xbe0 [17640.377905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17640.377905][ T7704] ___sys_sendmsg+0xee/0x170 [17640.377905][ T7704] __sys_sendmsg+0xcd/0x170 [17640.377905][ T7704] do_syscall_64+0xc6/0x1e0 [17640.377905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17640.377905][ T7704] [17640.380596][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17640.380596][ T7704] netdev_get_by_index+0x5e/0x80 [17640.380596][ T7704] fib6_nh_init+0x3d8/0x15b0 [17640.380596][ T7704] ip6_route_info_create+0xf18/0x17d0 [17640.380596][ T7704] ip6_route_add+0x1c/0x140 [17640.380596][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17640.380596][ T7704] addrconf_add_dev+0xe2/0x170 [17640.380596][ T7704] inet6_addr_add+0x12f/0xa40 [17640.380596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17640.380596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17640.380596][ T7704] netlink_rcv_skb+0x130/0x360 [17640.380596][ T7704] netlink_unicast+0x449/0x710 [17640.380596][ T7704] netlink_sendmsg+0x723/0xbe0 [17640.380596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17640.380596][ T7704] ___sys_sendmsg+0xee/0x170 [17640.380596][ T7704] __sys_sendmsg+0xcd/0x170 [17640.380596][ T7704] do_syscall_64+0xc6/0x1e0 [17640.380596][ T7704] [17640.382806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17640.382806][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17640.382806][ T7704] ipv6_find_idev+0x102/0x170 [17640.382806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17640.382806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17640.382806][ T7704] netlink_rcv_skb+0x130/0x360 [17640.382806][ T7704] netlink_unicast+0x449/0x710 [17640.382806][ T7704] netlink_sendmsg+0x723/0xbe0 [17640.382806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17640.382806][ T7704] ___sys_sendmsg+0xee/0x170 [17640.382806][ T7704] __sys_sendmsg+0xcd/0x170 [17640.382806][ T7704] do_syscall_64+0xc6/0x1e0 [17640.382806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17640.382806][ T7704] [17640.384482][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17640.384482][ T7704] neigh_parms_alloc+0x1e5/0x510 [17640.384482][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17640.384482][ T7704] ipv6_find_idev+0x102/0x170 [17640.384482][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17640.384482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17640.384482][ T7704] netlink_rcv_skb+0x130/0x360 [17640.384482][ T7704] netlink_unicast+0x449/0x710 [17640.384482][ T7704] netlink_sendmsg+0x723/0xbe0 [17640.384482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17640.384482][ T7704] ___sys_sendmsg+0xee/0x170 [17640.384482][ T7704] __sys_sendmsg+0xcd/0x170 [17640.384482][ T7704] do_syscall_64+0xc6/0x1e0 [17640.384482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17640.384482][ T7704] [17650.407000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17650.407872][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17650.407872][ T7704] netdev_get_by_index+0x5e/0x80 [17650.407872][ T7704] fib6_nh_init+0x3d8/0x15b0 [17650.407872][ T7704] ip6_route_info_create+0xf18/0x17d0 [17650.407872][ T7704] ip6_route_add+0x1c/0x140 [17650.407872][ T7704] addrconf_prefix_route+0x2a6/0x430 [17650.407872][ T7704] inet6_addr_add+0x4f8/0xa40 [17650.407872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17650.407872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17650.407872][ T7704] netlink_rcv_skb+0x130/0x360 [17650.407872][ T7704] netlink_unicast+0x449/0x710 [17650.407872][ T7704] netlink_sendmsg+0x723/0xbe0 [17650.407872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17650.407872][ T7704] ___sys_sendmsg+0xee/0x170 [17650.407872][ T7704] __sys_sendmsg+0xcd/0x170 [17650.407872][ T7704] do_syscall_64+0xc6/0x1e0 [17650.407872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17650.407872][ T7704] [17650.410093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17650.410093][ T7704] netdev_get_by_index+0x5e/0x80 [17650.410093][ T7704] fib6_nh_init+0x3d8/0x15b0 [17650.410093][ T7704] ip6_route_info_create+0xf18/0x17d0 [17650.410093][ T7704] addrconf_f6i_alloc+0x315/0x560 [17650.410093][ T7704] ipv6_add_addr+0x411/0x2000 [17650.410093][ T7704] inet6_addr_add+0x30e/0xa40 [17650.410093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17650.410093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17650.410093][ T7704] netlink_rcv_skb+0x130/0x360 [17650.410093][ T7704] netlink_unicast+0x449/0x710 [17650.410093][ T7704] netlink_sendmsg+0x723/0xbe0 [17650.410093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17650.410093][ T7704] ___sys_sendmsg+0xee/0x170 [17650.410093][ T7704] __sys_sendmsg+0xcd/0x170 [17650.410093][ T7704] do_syscall_64+0xc6/0x1e0 [17650.410093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17650.410093][ T7704] [17650.412257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17650.412257][ T7704] netdev_get_by_index+0x5e/0x80 [17650.412257][ T7704] fib6_nh_init+0x3d8/0x15b0 [17650.412257][ T7704] ip6_route_info_create+0xf18/0x17d0 [17650.412257][ T7704] ip6_route_add+0x1c/0x140 [17650.412257][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17650.412257][ T7704] addrconf_add_dev+0xe2/0x170 [17650.412257][ T7704] inet6_addr_add+0x12f/0xa40 [17650.412257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17650.412257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17650.412257][ T7704] netlink_rcv_skb+0x130/0x360 [17650.412257][ T7704] netlink_unicast+0x449/0x710 [17650.412257][ T7704] netlink_sendmsg+0x723/0xbe0 [17650.412257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17650.412257][ T7704] ___sys_sendmsg+0xee/0x170 [17650.412257][ T7704] __sys_sendmsg+0xcd/0x170 [17650.412257][ T7704] do_syscall_64+0xc6/0x1e0 [17650.412257][ T7704] [17650.414399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17650.414399][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17650.414399][ T7704] ipv6_find_idev+0x102/0x170 [17650.414399][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17650.414399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17650.414399][ T7704] netlink_rcv_skb+0x130/0x360 [17650.414399][ T7704] netlink_unicast+0x449/0x710 [17650.414399][ T7704] netlink_sendmsg+0x723/0xbe0 [17650.414399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17650.414399][ T7704] ___sys_sendmsg+0xee/0x170 [17650.414399][ T7704] __sys_sendmsg+0xcd/0x170 [17650.414399][ T7704] do_syscall_64+0xc6/0x1e0 [17650.414399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17650.414399][ T7704] [17650.416107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17650.416107][ T7704] neigh_parms_alloc+0x1e5/0x510 [17650.416107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17650.416107][ T7704] ipv6_find_idev+0x102/0x170 [17650.416107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17650.416107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17650.416107][ T7704] netlink_rcv_skb+0x130/0x360 [17650.416107][ T7704] netlink_unicast+0x449/0x710 [17650.416107][ T7704] netlink_sendmsg+0x723/0xbe0 [17650.416107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17650.416107][ T7704] ___sys_sendmsg+0xee/0x170 [17650.416107][ T7704] __sys_sendmsg+0xcd/0x170 [17650.416107][ T7704] do_syscall_64+0xc6/0x1e0 [17650.416107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17650.416107][ T7704] [17660.654999][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17660.655690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17660.655690][ T7704] netdev_get_by_index+0x5e/0x80 [17660.655690][ T7704] fib6_nh_init+0x3d8/0x15b0 [17660.655690][ T7704] ip6_route_info_create+0xf18/0x17d0 [17660.655690][ T7704] ip6_route_add+0x1c/0x140 [17660.655690][ T7704] addrconf_prefix_route+0x2a6/0x430 [17660.655690][ T7704] inet6_addr_add+0x4f8/0xa40 [17660.655690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17660.655690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17660.655690][ T7704] netlink_rcv_skb+0x130/0x360 [17660.655690][ T7704] netlink_unicast+0x449/0x710 [17660.655690][ T7704] netlink_sendmsg+0x723/0xbe0 [17660.655690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17660.655690][ T7704] ___sys_sendmsg+0xee/0x170 [17660.655690][ T7704] __sys_sendmsg+0xcd/0x170 [17660.655690][ T7704] do_syscall_64+0xc6/0x1e0 [17660.655690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17660.655690][ T7704] [17660.657923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17660.657923][ T7704] netdev_get_by_index+0x5e/0x80 [17660.657923][ T7704] fib6_nh_init+0x3d8/0x15b0 [17660.657923][ T7704] ip6_route_info_create+0xf18/0x17d0 [17660.657923][ T7704] addrconf_f6i_alloc+0x315/0x560 [17660.657923][ T7704] ipv6_add_addr+0x411/0x2000 [17660.657923][ T7704] inet6_addr_add+0x30e/0xa40 [17660.657923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17660.657923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17660.657923][ T7704] netlink_rcv_skb+0x130/0x360 [17660.657923][ T7704] netlink_unicast+0x449/0x710 [17660.657923][ T7704] netlink_sendmsg+0x723/0xbe0 [17660.657923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17660.657923][ T7704] ___sys_sendmsg+0xee/0x170 [17660.657923][ T7704] __sys_sendmsg+0xcd/0x170 [17660.657923][ T7704] do_syscall_64+0xc6/0x1e0 [17660.657923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17660.657923][ T7704] [17660.660141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17660.660141][ T7704] netdev_get_by_index+0x5e/0x80 [17660.660141][ T7704] fib6_nh_init+0x3d8/0x15b0 [17660.660141][ T7704] ip6_route_info_create+0xf18/0x17d0 [17660.660141][ T7704] ip6_route_add+0x1c/0x140 [17660.660141][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17660.660141][ T7704] addrconf_add_dev+0xe2/0x170 [17660.660141][ T7704] inet6_addr_add+0x12f/0xa40 [17660.660141][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17660.660141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17660.660141][ T7704] netlink_rcv_skb+0x130/0x360 [17660.660141][ T7704] netlink_unicast+0x449/0x710 [17660.660141][ T7704] netlink_sendmsg+0x723/0xbe0 [17660.660141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17660.660141][ T7704] ___sys_sendmsg+0xee/0x170 [17660.660141][ T7704] __sys_sendmsg+0xcd/0x170 [17660.660141][ T7704] do_syscall_64+0xc6/0x1e0 [17660.660141][ T7704] [17660.662314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17660.662314][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17660.662314][ T7704] ipv6_find_idev+0x102/0x170 [17660.662314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17660.662314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17660.662314][ T7704] netlink_rcv_skb+0x130/0x360 [17660.662314][ T7704] netlink_unicast+0x449/0x710 [17660.662314][ T7704] netlink_sendmsg+0x723/0xbe0 [17660.662314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17660.662314][ T7704] ___sys_sendmsg+0xee/0x170 [17660.662314][ T7704] __sys_sendmsg+0xcd/0x170 [17660.662314][ T7704] do_syscall_64+0xc6/0x1e0 [17660.662314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17660.662314][ T7704] [17660.663973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17660.663973][ T7704] neigh_parms_alloc+0x1e5/0x510 [17660.663973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17660.663973][ T7704] ipv6_find_idev+0x102/0x170 [17660.663973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17660.663973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17660.663973][ T7704] netlink_rcv_skb+0x130/0x360 [17660.663973][ T7704] netlink_unicast+0x449/0x710 [17660.663973][ T7704] netlink_sendmsg+0x723/0xbe0 [17660.663973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17660.663973][ T7704] ___sys_sendmsg+0xee/0x170 [17660.663973][ T7704] __sys_sendmsg+0xcd/0x170 [17660.663973][ T7704] do_syscall_64+0xc6/0x1e0 [17660.663973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17660.663973][ T7704] [17670.903005][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17670.903869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17670.903869][ T7704] netdev_get_by_index+0x5e/0x80 [17670.903869][ T7704] fib6_nh_init+0x3d8/0x15b0 [17670.903869][ T7704] ip6_route_info_create+0xf18/0x17d0 [17670.903869][ T7704] ip6_route_add+0x1c/0x140 [17670.903869][ T7704] addrconf_prefix_route+0x2a6/0x430 [17670.903869][ T7704] inet6_addr_add+0x4f8/0xa40 [17670.903869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17670.903869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17670.903869][ T7704] netlink_rcv_skb+0x130/0x360 [17670.903869][ T7704] netlink_unicast+0x449/0x710 [17670.903869][ T7704] netlink_sendmsg+0x723/0xbe0 [17670.903869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17670.903869][ T7704] ___sys_sendmsg+0xee/0x170 [17670.903869][ T7704] __sys_sendmsg+0xcd/0x170 [17670.903869][ T7704] do_syscall_64+0xc6/0x1e0 [17670.903869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17670.903869][ T7704] [17670.906080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17670.906080][ T7704] netdev_get_by_index+0x5e/0x80 [17670.906080][ T7704] fib6_nh_init+0x3d8/0x15b0 [17670.906080][ T7704] ip6_route_info_create+0xf18/0x17d0 [17670.906080][ T7704] addrconf_f6i_alloc+0x315/0x560 [17670.906080][ T7704] ipv6_add_addr+0x411/0x2000 [17670.906080][ T7704] inet6_addr_add+0x30e/0xa40 [17670.906080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17670.906080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17670.906080][ T7704] netlink_rcv_skb+0x130/0x360 [17670.906080][ T7704] netlink_unicast+0x449/0x710 [17670.906080][ T7704] netlink_sendmsg+0x723/0xbe0 [17670.906080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17670.906080][ T7704] ___sys_sendmsg+0xee/0x170 [17670.906080][ T7704] __sys_sendmsg+0xcd/0x170 [17670.906080][ T7704] do_syscall_64+0xc6/0x1e0 [17670.906080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17670.906080][ T7704] [17670.908401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17670.908401][ T7704] netdev_get_by_index+0x5e/0x80 [17670.908401][ T7704] fib6_nh_init+0x3d8/0x15b0 [17670.908401][ T7704] ip6_route_info_create+0xf18/0x17d0 [17670.908401][ T7704] ip6_route_add+0x1c/0x140 [17670.908401][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17670.908401][ T7704] addrconf_add_dev+0xe2/0x170 [17670.908401][ T7704] inet6_addr_add+0x12f/0xa40 [17670.908401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17670.908401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17670.908401][ T7704] netlink_rcv_skb+0x130/0x360 [17670.908401][ T7704] netlink_unicast+0x449/0x710 [17670.908401][ T7704] netlink_sendmsg+0x723/0xbe0 [17670.908401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17670.908401][ T7704] ___sys_sendmsg+0xee/0x170 [17670.908401][ T7704] __sys_sendmsg+0xcd/0x170 [17670.908401][ T7704] do_syscall_64+0xc6/0x1e0 [17670.908401][ T7704] [17670.910538][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17670.910538][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17670.910538][ T7704] ipv6_find_idev+0x102/0x170 [17670.910538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17670.910538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17670.910538][ T7704] netlink_rcv_skb+0x130/0x360 [17670.910538][ T7704] netlink_unicast+0x449/0x710 [17670.910538][ T7704] netlink_sendmsg+0x723/0xbe0 [17670.910538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17670.910538][ T7704] ___sys_sendmsg+0xee/0x170 [17670.910538][ T7704] __sys_sendmsg+0xcd/0x170 [17670.910538][ T7704] do_syscall_64+0xc6/0x1e0 [17670.910538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17670.910538][ T7704] [17670.912201][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17670.912201][ T7704] neigh_parms_alloc+0x1e5/0x510 [17670.912201][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17670.912201][ T7704] ipv6_find_idev+0x102/0x170 [17670.912201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17670.912201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17670.912201][ T7704] netlink_rcv_skb+0x130/0x360 [17670.912201][ T7704] netlink_unicast+0x449/0x710 [17670.912201][ T7704] netlink_sendmsg+0x723/0xbe0 [17670.912201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17670.912201][ T7704] ___sys_sendmsg+0xee/0x170 [17670.912201][ T7704] __sys_sendmsg+0xcd/0x170 [17670.912201][ T7704] do_syscall_64+0xc6/0x1e0 [17670.912201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17670.912201][ T7704] [17681.167003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17681.167652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17681.167652][ T7704] netdev_get_by_index+0x5e/0x80 [17681.167652][ T7704] fib6_nh_init+0x3d8/0x15b0 [17681.167652][ T7704] ip6_route_info_create+0xf18/0x17d0 [17681.167652][ T7704] ip6_route_add+0x1c/0x140 [17681.167652][ T7704] addrconf_prefix_route+0x2a6/0x430 [17681.167652][ T7704] inet6_addr_add+0x4f8/0xa40 [17681.167652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17681.167652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17681.167652][ T7704] netlink_rcv_skb+0x130/0x360 [17681.167652][ T7704] netlink_unicast+0x449/0x710 [17681.167652][ T7704] netlink_sendmsg+0x723/0xbe0 [17681.167652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17681.167652][ T7704] ___sys_sendmsg+0xee/0x170 [17681.167652][ T7704] __sys_sendmsg+0xcd/0x170 [17681.167652][ T7704] do_syscall_64+0xc6/0x1e0 [17681.167652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17681.167652][ T7704] [17681.169884][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17681.169884][ T7704] netdev_get_by_index+0x5e/0x80 [17681.169884][ T7704] fib6_nh_init+0x3d8/0x15b0 [17681.169884][ T7704] ip6_route_info_create+0xf18/0x17d0 [17681.169884][ T7704] addrconf_f6i_alloc+0x315/0x560 [17681.169884][ T7704] ipv6_add_addr+0x411/0x2000 [17681.169884][ T7704] inet6_addr_add+0x30e/0xa40 [17681.169884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17681.169884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17681.169884][ T7704] netlink_rcv_skb+0x130/0x360 [17681.169884][ T7704] netlink_unicast+0x449/0x710 [17681.169884][ T7704] netlink_sendmsg+0x723/0xbe0 [17681.169884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17681.169884][ T7704] ___sys_sendmsg+0xee/0x170 [17681.169884][ T7704] __sys_sendmsg+0xcd/0x170 [17681.169884][ T7704] do_syscall_64+0xc6/0x1e0 [17681.169884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17681.169884][ T7704] [17681.171976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17681.171976][ T7704] netdev_get_by_index+0x5e/0x80 [17681.171976][ T7704] fib6_nh_init+0x3d8/0x15b0 [17681.171976][ T7704] ip6_route_info_create+0xf18/0x17d0 [17681.171976][ T7704] ip6_route_add+0x1c/0x140 [17681.171976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17681.171976][ T7704] addrconf_add_dev+0xe2/0x170 [17681.171976][ T7704] inet6_addr_add+0x12f/0xa40 [17681.171976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17681.171976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17681.171976][ T7704] netlink_rcv_skb+0x130/0x360 [17681.171976][ T7704] netlink_unicast+0x449/0x710 [17681.171976][ T7704] netlink_sendmsg+0x723/0xbe0 [17681.171976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17681.171976][ T7704] ___sys_sendmsg+0xee/0x170 [17681.171976][ T7704] __sys_sendmsg+0xcd/0x170 [17681.171976][ T7704] do_syscall_64+0xc6/0x1e0 [17681.171976][ T7704] [17681.174088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17681.174088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17681.174088][ T7704] ipv6_find_idev+0x102/0x170 [17681.174088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17681.174088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17681.174088][ T7704] netlink_rcv_skb+0x130/0x360 [17681.174088][ T7704] netlink_unicast+0x449/0x710 [17681.174088][ T7704] netlink_sendmsg+0x723/0xbe0 [17681.174088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17681.174088][ T7704] ___sys_sendmsg+0xee/0x170 [17681.174088][ T7704] __sys_sendmsg+0xcd/0x170 [17681.174088][ T7704] do_syscall_64+0xc6/0x1e0 [17681.174088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17681.174088][ T7704] [17681.175694][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17681.175694][ T7704] neigh_parms_alloc+0x1e5/0x510 [17681.175694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17681.175694][ T7704] ipv6_find_idev+0x102/0x170 [17681.175694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17681.175694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17681.175694][ T7704] netlink_rcv_skb+0x130/0x360 [17681.175694][ T7704] netlink_unicast+0x449/0x710 [17681.175694][ T7704] netlink_sendmsg+0x723/0xbe0 [17681.175694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17681.175694][ T7704] ___sys_sendmsg+0xee/0x170 [17681.175694][ T7704] __sys_sendmsg+0xcd/0x170 [17681.175694][ T7704] do_syscall_64+0xc6/0x1e0 [17681.175694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17681.175694][ T7704] [17691.415013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17691.415619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17691.415619][ T7704] netdev_get_by_index+0x5e/0x80 [17691.415619][ T7704] fib6_nh_init+0x3d8/0x15b0 [17691.415619][ T7704] ip6_route_info_create+0xf18/0x17d0 [17691.415619][ T7704] ip6_route_add+0x1c/0x140 [17691.415619][ T7704] addrconf_prefix_route+0x2a6/0x430 [17691.415619][ T7704] inet6_addr_add+0x4f8/0xa40 [17691.415619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17691.415619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17691.415619][ T7704] netlink_rcv_skb+0x130/0x360 [17691.415619][ T7704] netlink_unicast+0x449/0x710 [17691.415619][ T7704] netlink_sendmsg+0x723/0xbe0 [17691.415619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17691.415619][ T7704] ___sys_sendmsg+0xee/0x170 [17691.415619][ T7704] __sys_sendmsg+0xcd/0x170 [17691.415619][ T7704] do_syscall_64+0xc6/0x1e0 [17691.415619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17691.415619][ T7704] [17691.417780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17691.417780][ T7704] netdev_get_by_index+0x5e/0x80 [17691.417780][ T7704] fib6_nh_init+0x3d8/0x15b0 [17691.417780][ T7704] ip6_route_info_create+0xf18/0x17d0 [17691.417780][ T7704] addrconf_f6i_alloc+0x315/0x560 [17691.417780][ T7704] ipv6_add_addr+0x411/0x2000 [17691.417780][ T7704] inet6_addr_add+0x30e/0xa40 [17691.417780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17691.417780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17691.417780][ T7704] netlink_rcv_skb+0x130/0x360 [17691.417780][ T7704] netlink_unicast+0x449/0x710 [17691.417780][ T7704] netlink_sendmsg+0x723/0xbe0 [17691.417780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17691.417780][ T7704] ___sys_sendmsg+0xee/0x170 [17691.417780][ T7704] __sys_sendmsg+0xcd/0x170 [17691.417780][ T7704] do_syscall_64+0xc6/0x1e0 [17691.417780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17691.417780][ T7704] [17691.419875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17691.419875][ T7704] netdev_get_by_index+0x5e/0x80 [17691.419875][ T7704] fib6_nh_init+0x3d8/0x15b0 [17691.419875][ T7704] ip6_route_info_create+0xf18/0x17d0 [17691.419875][ T7704] ip6_route_add+0x1c/0x140 [17691.419875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17691.419875][ T7704] addrconf_add_dev+0xe2/0x170 [17691.419875][ T7704] inet6_addr_add+0x12f/0xa40 [17691.419875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17691.419875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17691.419875][ T7704] netlink_rcv_skb+0x130/0x360 [17691.419875][ T7704] netlink_unicast+0x449/0x710 [17691.419875][ T7704] netlink_sendmsg+0x723/0xbe0 [17691.419875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17691.419875][ T7704] ___sys_sendmsg+0xee/0x170 [17691.419875][ T7704] __sys_sendmsg+0xcd/0x170 [17691.419875][ T7704] do_syscall_64+0xc6/0x1e0 [17691.419875][ T7704] [17691.422020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17691.422020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17691.422020][ T7704] ipv6_find_idev+0x102/0x170 [17691.422020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17691.422020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17691.422020][ T7704] netlink_rcv_skb+0x130/0x360 [17691.422020][ T7704] netlink_unicast+0x449/0x710 [17691.422020][ T7704] netlink_sendmsg+0x723/0xbe0 [17691.422020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17691.422020][ T7704] ___sys_sendmsg+0xee/0x170 [17691.422020][ T7704] __sys_sendmsg+0xcd/0x170 [17691.422020][ T7704] do_syscall_64+0xc6/0x1e0 [17691.422020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17691.422020][ T7704] [17691.423647][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17691.423647][ T7704] neigh_parms_alloc+0x1e5/0x510 [17691.423647][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17691.423647][ T7704] ipv6_find_idev+0x102/0x170 [17691.423647][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17691.423647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17691.423647][ T7704] netlink_rcv_skb+0x130/0x360 [17691.423647][ T7704] netlink_unicast+0x449/0x710 [17691.423647][ T7704] netlink_sendmsg+0x723/0xbe0 [17691.423647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17691.423647][ T7704] ___sys_sendmsg+0xee/0x170 [17691.423647][ T7704] __sys_sendmsg+0xcd/0x170 [17691.423647][ T7704] do_syscall_64+0xc6/0x1e0 [17691.423647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17691.423647][ T7704] [17701.663043][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17701.663759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17701.663759][ T7704] netdev_get_by_index+0x5e/0x80 [17701.663759][ T7704] fib6_nh_init+0x3d8/0x15b0 [17701.663759][ T7704] ip6_route_info_create+0xf18/0x17d0 [17701.663759][ T7704] ip6_route_add+0x1c/0x140 [17701.663759][ T7704] addrconf_prefix_route+0x2a6/0x430 [17701.663759][ T7704] inet6_addr_add+0x4f8/0xa40 [17701.663759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17701.663759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17701.663759][ T7704] netlink_rcv_skb+0x130/0x360 [17701.663759][ T7704] netlink_unicast+0x449/0x710 [17701.663759][ T7704] netlink_sendmsg+0x723/0xbe0 [17701.663759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17701.663759][ T7704] ___sys_sendmsg+0xee/0x170 [17701.663759][ T7704] __sys_sendmsg+0xcd/0x170 [17701.663759][ T7704] do_syscall_64+0xc6/0x1e0 [17701.663759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17701.663759][ T7704] [17701.665932][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17701.665932][ T7704] netdev_get_by_index+0x5e/0x80 [17701.665932][ T7704] fib6_nh_init+0x3d8/0x15b0 [17701.665932][ T7704] ip6_route_info_create+0xf18/0x17d0 [17701.665932][ T7704] addrconf_f6i_alloc+0x315/0x560 [17701.665932][ T7704] ipv6_add_addr+0x411/0x2000 [17701.665932][ T7704] inet6_addr_add+0x30e/0xa40 [17701.665932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17701.665932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17701.665932][ T7704] netlink_rcv_skb+0x130/0x360 [17701.665932][ T7704] netlink_unicast+0x449/0x710 [17701.665932][ T7704] netlink_sendmsg+0x723/0xbe0 [17701.665932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17701.665932][ T7704] ___sys_sendmsg+0xee/0x170 [17701.665932][ T7704] __sys_sendmsg+0xcd/0x170 [17701.665932][ T7704] do_syscall_64+0xc6/0x1e0 [17701.665932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17701.665932][ T7704] [17701.668069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17701.668069][ T7704] netdev_get_by_index+0x5e/0x80 [17701.668069][ T7704] fib6_nh_init+0x3d8/0x15b0 [17701.668069][ T7704] ip6_route_info_create+0xf18/0x17d0 [17701.668069][ T7704] ip6_route_add+0x1c/0x140 [17701.668069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17701.668069][ T7704] addrconf_add_dev+0xe2/0x170 [17701.668069][ T7704] inet6_addr_add+0x12f/0xa40 [17701.668069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17701.668069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17701.668069][ T7704] netlink_rcv_skb+0x130/0x360 [17701.668069][ T7704] netlink_unicast+0x449/0x710 [17701.668069][ T7704] netlink_sendmsg+0x723/0xbe0 [17701.668069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17701.668069][ T7704] ___sys_sendmsg+0xee/0x170 [17701.668069][ T7704] __sys_sendmsg+0xcd/0x170 [17701.668069][ T7704] do_syscall_64+0xc6/0x1e0 [17701.668069][ T7704] [17701.670233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17701.670233][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17701.670233][ T7704] ipv6_find_idev+0x102/0x170 [17701.670233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17701.670233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17701.670233][ T7704] netlink_rcv_skb+0x130/0x360 [17701.670233][ T7704] netlink_unicast+0x449/0x710 [17701.670233][ T7704] netlink_sendmsg+0x723/0xbe0 [17701.670233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17701.670233][ T7704] ___sys_sendmsg+0xee/0x170 [17701.670233][ T7704] __sys_sendmsg+0xcd/0x170 [17701.670233][ T7704] do_syscall_64+0xc6/0x1e0 [17701.670233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17701.670233][ T7704] [17701.671899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17701.671899][ T7704] neigh_parms_alloc+0x1e5/0x510 [17701.671899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17701.671899][ T7704] ipv6_find_idev+0x102/0x170 [17701.671899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17701.671899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17701.671899][ T7704] netlink_rcv_skb+0x130/0x360 [17701.671899][ T7704] netlink_unicast+0x449/0x710 [17701.671899][ T7704] netlink_sendmsg+0x723/0xbe0 [17701.671899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17701.671899][ T7704] ___sys_sendmsg+0xee/0x170 [17701.671899][ T7704] __sys_sendmsg+0xcd/0x170 [17701.671899][ T7704] do_syscall_64+0xc6/0x1e0 [17701.671899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17701.671899][ T7704] [17711.911004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17711.911732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17711.911732][ T7704] netdev_get_by_index+0x5e/0x80 [17711.911732][ T7704] fib6_nh_init+0x3d8/0x15b0 [17711.911732][ T7704] ip6_route_info_create+0xf18/0x17d0 [17711.911732][ T7704] ip6_route_add+0x1c/0x140 [17711.911732][ T7704] addrconf_prefix_route+0x2a6/0x430 [17711.911732][ T7704] inet6_addr_add+0x4f8/0xa40 [17711.911732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17711.911732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17711.911732][ T7704] netlink_rcv_skb+0x130/0x360 [17711.911732][ T7704] netlink_unicast+0x449/0x710 [17711.911732][ T7704] netlink_sendmsg+0x723/0xbe0 [17711.911732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17711.911732][ T7704] ___sys_sendmsg+0xee/0x170 [17711.911732][ T7704] __sys_sendmsg+0xcd/0x170 [17711.911732][ T7704] do_syscall_64+0xc6/0x1e0 [17711.911732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17711.911732][ T7704] [17711.913951][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17711.913951][ T7704] netdev_get_by_index+0x5e/0x80 [17711.913951][ T7704] fib6_nh_init+0x3d8/0x15b0 [17711.913951][ T7704] ip6_route_info_create+0xf18/0x17d0 [17711.913951][ T7704] addrconf_f6i_alloc+0x315/0x560 [17711.913951][ T7704] ipv6_add_addr+0x411/0x2000 [17711.913951][ T7704] inet6_addr_add+0x30e/0xa40 [17711.913951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17711.913951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17711.913951][ T7704] netlink_rcv_skb+0x130/0x360 [17711.913951][ T7704] netlink_unicast+0x449/0x710 [17711.913951][ T7704] netlink_sendmsg+0x723/0xbe0 [17711.913951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17711.913951][ T7704] ___sys_sendmsg+0xee/0x170 [17711.913951][ T7704] __sys_sendmsg+0xcd/0x170 [17711.913951][ T7704] do_syscall_64+0xc6/0x1e0 [17711.913951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17711.913951][ T7704] [17711.916136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17711.916136][ T7704] netdev_get_by_index+0x5e/0x80 [17711.916136][ T7704] fib6_nh_init+0x3d8/0x15b0 [17711.916136][ T7704] ip6_route_info_create+0xf18/0x17d0 [17711.916136][ T7704] ip6_route_add+0x1c/0x140 [17711.916136][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17711.916136][ T7704] addrconf_add_dev+0xe2/0x170 [17711.916136][ T7704] inet6_addr_add+0x12f/0xa40 [17711.916136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17711.916136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17711.916136][ T7704] netlink_rcv_skb+0x130/0x360 [17711.916136][ T7704] netlink_unicast+0x449/0x710 [17711.916136][ T7704] netlink_sendmsg+0x723/0xbe0 [17711.916136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17711.916136][ T7704] ___sys_sendmsg+0xee/0x170 [17711.916136][ T7704] __sys_sendmsg+0xcd/0x170 [17711.916136][ T7704] do_syscall_64+0xc6/0x1e0 [17711.916136][ T7704] [17711.918287][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17711.918287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17711.918287][ T7704] ipv6_find_idev+0x102/0x170 [17711.918287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17711.918287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17711.918287][ T7704] netlink_rcv_skb+0x130/0x360 [17711.918287][ T7704] netlink_unicast+0x449/0x710 [17711.918287][ T7704] netlink_sendmsg+0x723/0xbe0 [17711.918287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17711.918287][ T7704] ___sys_sendmsg+0xee/0x170 [17711.918287][ T7704] __sys_sendmsg+0xcd/0x170 [17711.918287][ T7704] do_syscall_64+0xc6/0x1e0 [17711.918287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17711.918287][ T7704] [17711.919953][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17711.919953][ T7704] neigh_parms_alloc+0x1e5/0x510 [17711.919953][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17711.919953][ T7704] ipv6_find_idev+0x102/0x170 [17711.919953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17711.919953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17711.919953][ T7704] netlink_rcv_skb+0x130/0x360 [17711.919953][ T7704] netlink_unicast+0x449/0x710 [17711.919953][ T7704] netlink_sendmsg+0x723/0xbe0 [17711.919953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17711.919953][ T7704] ___sys_sendmsg+0xee/0x170 [17711.919953][ T7704] __sys_sendmsg+0xcd/0x170 [17711.919953][ T7704] do_syscall_64+0xc6/0x1e0 [17711.919953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17711.919953][ T7704] [17721.958937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17721.959406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17721.959406][ T7704] netdev_get_by_index+0x5e/0x80 [17721.959406][ T7704] fib6_nh_init+0x3d8/0x15b0 [17721.959406][ T7704] ip6_route_info_create+0xf18/0x17d0 [17721.959406][ T7704] ip6_route_add+0x1c/0x140 [17721.959406][ T7704] addrconf_prefix_route+0x2a6/0x430 [17721.959406][ T7704] inet6_addr_add+0x4f8/0xa40 [17721.959406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17721.959406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17721.959406][ T7704] netlink_rcv_skb+0x130/0x360 [17721.959406][ T7704] netlink_unicast+0x449/0x710 [17721.959406][ T7704] netlink_sendmsg+0x723/0xbe0 [17721.959406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17721.959406][ T7704] ___sys_sendmsg+0xee/0x170 [17721.959406][ T7704] __sys_sendmsg+0xcd/0x170 [17721.959406][ T7704] do_syscall_64+0xc6/0x1e0 [17721.959406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17721.959406][ T7704] [17721.961644][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17721.961644][ T7704] netdev_get_by_index+0x5e/0x80 [17721.961644][ T7704] fib6_nh_init+0x3d8/0x15b0 [17721.961644][ T7704] ip6_route_info_create+0xf18/0x17d0 [17721.961644][ T7704] addrconf_f6i_alloc+0x315/0x560 [17721.961644][ T7704] ipv6_add_addr+0x411/0x2000 [17721.961644][ T7704] inet6_addr_add+0x30e/0xa40 [17721.961644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17721.961644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17721.961644][ T7704] netlink_rcv_skb+0x130/0x360 [17721.961644][ T7704] netlink_unicast+0x449/0x710 [17721.961644][ T7704] netlink_sendmsg+0x723/0xbe0 [17721.961644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17721.961644][ T7704] ___sys_sendmsg+0xee/0x170 [17721.961644][ T7704] __sys_sendmsg+0xcd/0x170 [17721.961644][ T7704] do_syscall_64+0xc6/0x1e0 [17721.961644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17721.961644][ T7704] [17721.963862][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17721.963862][ T7704] netdev_get_by_index+0x5e/0x80 [17721.963862][ T7704] fib6_nh_init+0x3d8/0x15b0 [17721.963862][ T7704] ip6_route_info_create+0xf18/0x17d0 [17721.963862][ T7704] ip6_route_add+0x1c/0x140 [17721.963862][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17721.963862][ T7704] addrconf_add_dev+0xe2/0x170 [17721.963862][ T7704] inet6_addr_add+0x12f/0xa40 [17721.963862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17721.963862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17721.963862][ T7704] netlink_rcv_skb+0x130/0x360 [17721.963862][ T7704] netlink_unicast+0x449/0x710 [17721.963862][ T7704] netlink_sendmsg+0x723/0xbe0 [17721.963862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17721.963862][ T7704] ___sys_sendmsg+0xee/0x170 [17721.963862][ T7704] __sys_sendmsg+0xcd/0x170 [17721.963862][ T7704] do_syscall_64+0xc6/0x1e0 [17721.963862][ T7704] [17721.966050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17721.966050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17721.966050][ T7704] ipv6_find_idev+0x102/0x170 [17721.966050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17721.966050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17721.966050][ T7704] netlink_rcv_skb+0x130/0x360 [17721.966050][ T7704] netlink_unicast+0x449/0x710 [17721.966050][ T7704] netlink_sendmsg+0x723/0xbe0 [17721.966050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17721.966050][ T7704] ___sys_sendmsg+0xee/0x170 [17721.966050][ T7704] __sys_sendmsg+0xcd/0x170 [17721.966050][ T7704] do_syscall_64+0xc6/0x1e0 [17721.966050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17721.966050][ T7704] [17721.967764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17721.967764][ T7704] neigh_parms_alloc+0x1e5/0x510 [17721.967764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17721.967764][ T7704] ipv6_find_idev+0x102/0x170 [17721.967764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17721.967764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17721.967764][ T7704] netlink_rcv_skb+0x130/0x360 [17721.967764][ T7704] netlink_unicast+0x449/0x710 [17721.967764][ T7704] netlink_sendmsg+0x723/0xbe0 [17721.967764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17721.967764][ T7704] ___sys_sendmsg+0xee/0x170 [17721.967764][ T7704] __sys_sendmsg+0xcd/0x170 [17721.967764][ T7704] do_syscall_64+0xc6/0x1e0 [17721.967764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17721.967764][ T7704] [17732.215012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17732.215758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17732.215758][ T7704] netdev_get_by_index+0x5e/0x80 [17732.215758][ T7704] fib6_nh_init+0x3d8/0x15b0 [17732.215758][ T7704] ip6_route_info_create+0xf18/0x17d0 [17732.215758][ T7704] ip6_route_add+0x1c/0x140 [17732.215758][ T7704] addrconf_prefix_route+0x2a6/0x430 [17732.215758][ T7704] inet6_addr_add+0x4f8/0xa40 [17732.215758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17732.215758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17732.215758][ T7704] netlink_rcv_skb+0x130/0x360 [17732.215758][ T7704] netlink_unicast+0x449/0x710 [17732.215758][ T7704] netlink_sendmsg+0x723/0xbe0 [17732.215758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17732.215758][ T7704] ___sys_sendmsg+0xee/0x170 [17732.215758][ T7704] __sys_sendmsg+0xcd/0x170 [17732.215758][ T7704] do_syscall_64+0xc6/0x1e0 [17732.215758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17732.215758][ T7704] [17732.217890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17732.217890][ T7704] netdev_get_by_index+0x5e/0x80 [17732.217890][ T7704] fib6_nh_init+0x3d8/0x15b0 [17732.217890][ T7704] ip6_route_info_create+0xf18/0x17d0 [17732.217890][ T7704] addrconf_f6i_alloc+0x315/0x560 [17732.217890][ T7704] ipv6_add_addr+0x411/0x2000 [17732.217890][ T7704] inet6_addr_add+0x30e/0xa40 [17732.217890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17732.217890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17732.217890][ T7704] netlink_rcv_skb+0x130/0x360 [17732.217890][ T7704] netlink_unicast+0x449/0x710 [17732.217890][ T7704] netlink_sendmsg+0x723/0xbe0 [17732.217890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17732.217890][ T7704] ___sys_sendmsg+0xee/0x170 [17732.217890][ T7704] __sys_sendmsg+0xcd/0x170 [17732.217890][ T7704] do_syscall_64+0xc6/0x1e0 [17732.217890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17732.217890][ T7704] [17732.219989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17732.219989][ T7704] netdev_get_by_index+0x5e/0x80 [17732.219989][ T7704] fib6_nh_init+0x3d8/0x15b0 [17732.219989][ T7704] ip6_route_info_create+0xf18/0x17d0 [17732.219989][ T7704] ip6_route_add+0x1c/0x140 [17732.219989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17732.219989][ T7704] addrconf_add_dev+0xe2/0x170 [17732.219989][ T7704] inet6_addr_add+0x12f/0xa40 [17732.219989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17732.219989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17732.219989][ T7704] netlink_rcv_skb+0x130/0x360 [17732.219989][ T7704] netlink_unicast+0x449/0x710 [17732.219989][ T7704] netlink_sendmsg+0x723/0xbe0 [17732.219989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17732.219989][ T7704] ___sys_sendmsg+0xee/0x170 [17732.219989][ T7704] __sys_sendmsg+0xcd/0x170 [17732.219989][ T7704] do_syscall_64+0xc6/0x1e0 [17732.219989][ T7704] [17732.222162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17732.222162][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17732.222162][ T7704] ipv6_find_idev+0x102/0x170 [17732.222162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17732.222162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17732.222162][ T7704] netlink_rcv_skb+0x130/0x360 [17732.222162][ T7704] netlink_unicast+0x449/0x710 [17732.222162][ T7704] netlink_sendmsg+0x723/0xbe0 [17732.222162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17732.222162][ T7704] ___sys_sendmsg+0xee/0x170 [17732.222162][ T7704] __sys_sendmsg+0xcd/0x170 [17732.222162][ T7704] do_syscall_64+0xc6/0x1e0 [17732.222162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17732.222162][ T7704] [17732.223899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17732.223899][ T7704] neigh_parms_alloc+0x1e5/0x510 [17732.223899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17732.223899][ T7704] ipv6_find_idev+0x102/0x170 [17732.223899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17732.223899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17732.223899][ T7704] netlink_rcv_skb+0x130/0x360 [17732.223899][ T7704] netlink_unicast+0x449/0x710 [17732.223899][ T7704] netlink_sendmsg+0x723/0xbe0 [17732.223899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17732.223899][ T7704] ___sys_sendmsg+0xee/0x170 [17732.223899][ T7704] __sys_sendmsg+0xcd/0x170 [17732.223899][ T7704] do_syscall_64+0xc6/0x1e0 [17732.223899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17732.223899][ T7704] [17742.479035][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17742.479851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17742.479851][ T7704] netdev_get_by_index+0x5e/0x80 [17742.479851][ T7704] fib6_nh_init+0x3d8/0x15b0 [17742.479851][ T7704] ip6_route_info_create+0xf18/0x17d0 [17742.479851][ T7704] ip6_route_add+0x1c/0x140 [17742.479851][ T7704] addrconf_prefix_route+0x2a6/0x430 [17742.479851][ T7704] inet6_addr_add+0x4f8/0xa40 [17742.479851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17742.479851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17742.479851][ T7704] netlink_rcv_skb+0x130/0x360 [17742.479851][ T7704] netlink_unicast+0x449/0x710 [17742.479851][ T7704] netlink_sendmsg+0x723/0xbe0 [17742.479851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17742.479851][ T7704] ___sys_sendmsg+0xee/0x170 [17742.479851][ T7704] __sys_sendmsg+0xcd/0x170 [17742.479851][ T7704] do_syscall_64+0xc6/0x1e0 [17742.479851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17742.479851][ T7704] [17742.481979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17742.481979][ T7704] netdev_get_by_index+0x5e/0x80 [17742.481979][ T7704] fib6_nh_init+0x3d8/0x15b0 [17742.481979][ T7704] ip6_route_info_create+0xf18/0x17d0 [17742.481979][ T7704] addrconf_f6i_alloc+0x315/0x560 [17742.481979][ T7704] ipv6_add_addr+0x411/0x2000 [17742.481979][ T7704] inet6_addr_add+0x30e/0xa40 [17742.481979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17742.481979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17742.481979][ T7704] netlink_rcv_skb+0x130/0x360 [17742.481979][ T7704] netlink_unicast+0x449/0x710 [17742.481979][ T7704] netlink_sendmsg+0x723/0xbe0 [17742.481979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17742.481979][ T7704] ___sys_sendmsg+0xee/0x170 [17742.481979][ T7704] __sys_sendmsg+0xcd/0x170 [17742.481979][ T7704] do_syscall_64+0xc6/0x1e0 [17742.481979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17742.481979][ T7704] [17742.484133][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17742.484133][ T7704] netdev_get_by_index+0x5e/0x80 [17742.484133][ T7704] fib6_nh_init+0x3d8/0x15b0 [17742.484133][ T7704] ip6_route_info_create+0xf18/0x17d0 [17742.484133][ T7704] ip6_route_add+0x1c/0x140 [17742.484133][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17742.484133][ T7704] addrconf_add_dev+0xe2/0x170 [17742.484133][ T7704] inet6_addr_add+0x12f/0xa40 [17742.484133][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17742.484133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17742.484133][ T7704] netlink_rcv_skb+0x130/0x360 [17742.484133][ T7704] netlink_unicast+0x449/0x710 [17742.484133][ T7704] netlink_sendmsg+0x723/0xbe0 [17742.484133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17742.484133][ T7704] ___sys_sendmsg+0xee/0x170 [17742.484133][ T7704] __sys_sendmsg+0xcd/0x170 [17742.484133][ T7704] do_syscall_64+0xc6/0x1e0 [17742.484133][ T7704] [17742.486242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17742.486242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17742.486242][ T7704] ipv6_find_idev+0x102/0x170 [17742.486242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17742.486242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17742.486242][ T7704] netlink_rcv_skb+0x130/0x360 [17742.486242][ T7704] netlink_unicast+0x449/0x710 [17742.486242][ T7704] netlink_sendmsg+0x723/0xbe0 [17742.486242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17742.486242][ T7704] ___sys_sendmsg+0xee/0x170 [17742.486242][ T7704] __sys_sendmsg+0xcd/0x170 [17742.486242][ T7704] do_syscall_64+0xc6/0x1e0 [17742.486242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17742.486242][ T7704] [17742.487921][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17742.487921][ T7704] neigh_parms_alloc+0x1e5/0x510 [17742.487921][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17742.487921][ T7704] ipv6_find_idev+0x102/0x170 [17742.487921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17742.487921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17742.487921][ T7704] netlink_rcv_skb+0x130/0x360 [17742.487921][ T7704] netlink_unicast+0x449/0x710 [17742.487921][ T7704] netlink_sendmsg+0x723/0xbe0 [17742.487921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17742.487921][ T7704] ___sys_sendmsg+0xee/0x170 [17742.487921][ T7704] __sys_sendmsg+0xcd/0x170 [17742.487921][ T7704] do_syscall_64+0xc6/0x1e0 [17742.487921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17742.487921][ T7704] [17752.590938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17752.591437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17752.591437][ T7704] netdev_get_by_index+0x5e/0x80 [17752.591437][ T7704] fib6_nh_init+0x3d8/0x15b0 [17752.591437][ T7704] ip6_route_info_create+0xf18/0x17d0 [17752.591437][ T7704] ip6_route_add+0x1c/0x140 [17752.591437][ T7704] addrconf_prefix_route+0x2a6/0x430 [17752.591437][ T7704] inet6_addr_add+0x4f8/0xa40 [17752.591437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17752.591437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17752.591437][ T7704] netlink_rcv_skb+0x130/0x360 [17752.591437][ T7704] netlink_unicast+0x449/0x710 [17752.591437][ T7704] netlink_sendmsg+0x723/0xbe0 [17752.591437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17752.591437][ T7704] ___sys_sendmsg+0xee/0x170 [17752.591437][ T7704] __sys_sendmsg+0xcd/0x170 [17752.591437][ T7704] do_syscall_64+0xc6/0x1e0 [17752.591437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17752.591437][ T7704] [17752.593626][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17752.593626][ T7704] netdev_get_by_index+0x5e/0x80 [17752.593626][ T7704] fib6_nh_init+0x3d8/0x15b0 [17752.593626][ T7704] ip6_route_info_create+0xf18/0x17d0 [17752.593626][ T7704] addrconf_f6i_alloc+0x315/0x560 [17752.593626][ T7704] ipv6_add_addr+0x411/0x2000 [17752.593626][ T7704] inet6_addr_add+0x30e/0xa40 [17752.593626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17752.593626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17752.593626][ T7704] netlink_rcv_skb+0x130/0x360 [17752.593626][ T7704] netlink_unicast+0x449/0x710 [17752.593626][ T7704] netlink_sendmsg+0x723/0xbe0 [17752.593626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17752.593626][ T7704] ___sys_sendmsg+0xee/0x170 [17752.593626][ T7704] __sys_sendmsg+0xcd/0x170 [17752.593626][ T7704] do_syscall_64+0xc6/0x1e0 [17752.593626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17752.593626][ T7704] [17752.595829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17752.595829][ T7704] netdev_get_by_index+0x5e/0x80 [17752.595829][ T7704] fib6_nh_init+0x3d8/0x15b0 [17752.595829][ T7704] ip6_route_info_create+0xf18/0x17d0 [17752.595829][ T7704] ip6_route_add+0x1c/0x140 [17752.595829][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17752.595829][ T7704] addrconf_add_dev+0xe2/0x170 [17752.595829][ T7704] inet6_addr_add+0x12f/0xa40 [17752.595829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17752.595829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17752.595829][ T7704] netlink_rcv_skb+0x130/0x360 [17752.595829][ T7704] netlink_unicast+0x449/0x710 [17752.595829][ T7704] netlink_sendmsg+0x723/0xbe0 [17752.595829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17752.595829][ T7704] ___sys_sendmsg+0xee/0x170 [17752.595829][ T7704] __sys_sendmsg+0xcd/0x170 [17752.595829][ T7704] do_syscall_64+0xc6/0x1e0 [17752.595829][ T7704] [17752.598020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17752.598020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17752.598020][ T7704] ipv6_find_idev+0x102/0x170 [17752.598020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17752.598020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17752.598020][ T7704] netlink_rcv_skb+0x130/0x360 [17752.598020][ T7704] netlink_unicast+0x449/0x710 [17752.598020][ T7704] netlink_sendmsg+0x723/0xbe0 [17752.598020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17752.598020][ T7704] ___sys_sendmsg+0xee/0x170 [17752.598020][ T7704] __sys_sendmsg+0xcd/0x170 [17752.598020][ T7704] do_syscall_64+0xc6/0x1e0 [17752.598020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17752.598020][ T7704] [17752.599696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17752.599696][ T7704] neigh_parms_alloc+0x1e5/0x510 [17752.599696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17752.599696][ T7704] ipv6_find_idev+0x102/0x170 [17752.599696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17752.599696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17752.599696][ T7704] netlink_rcv_skb+0x130/0x360 [17752.599696][ T7704] netlink_unicast+0x449/0x710 [17752.599696][ T7704] netlink_sendmsg+0x723/0xbe0 [17752.599696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17752.599696][ T7704] ___sys_sendmsg+0xee/0x170 [17752.599696][ T7704] __sys_sendmsg+0xcd/0x170 [17752.599696][ T7704] do_syscall_64+0xc6/0x1e0 [17752.599696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17752.599696][ T7704] [17762.831001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17762.831493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17762.831493][ T7704] netdev_get_by_index+0x5e/0x80 [17762.831493][ T7704] fib6_nh_init+0x3d8/0x15b0 [17762.831493][ T7704] ip6_route_info_create+0xf18/0x17d0 [17762.831493][ T7704] ip6_route_add+0x1c/0x140 [17762.831493][ T7704] addrconf_prefix_route+0x2a6/0x430 [17762.831493][ T7704] inet6_addr_add+0x4f8/0xa40 [17762.831493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17762.831493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17762.831493][ T7704] netlink_rcv_skb+0x130/0x360 [17762.831493][ T7704] netlink_unicast+0x449/0x710 [17762.831493][ T7704] netlink_sendmsg+0x723/0xbe0 [17762.831493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17762.831493][ T7704] ___sys_sendmsg+0xee/0x170 [17762.831493][ T7704] __sys_sendmsg+0xcd/0x170 [17762.831493][ T7704] do_syscall_64+0xc6/0x1e0 [17762.831493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17762.831493][ T7704] [17762.834900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17762.834900][ T7704] netdev_get_by_index+0x5e/0x80 [17762.834900][ T7704] fib6_nh_init+0x3d8/0x15b0 [17762.834900][ T7704] ip6_route_info_create+0xf18/0x17d0 [17762.834900][ T7704] addrconf_f6i_alloc+0x315/0x560 [17762.834900][ T7704] ipv6_add_addr+0x411/0x2000 [17762.834900][ T7704] inet6_addr_add+0x30e/0xa40 [17762.834900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17762.834900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17762.834900][ T7704] netlink_rcv_skb+0x130/0x360 [17762.834900][ T7704] netlink_unicast+0x449/0x710 [17762.834900][ T7704] netlink_sendmsg+0x723/0xbe0 [17762.834900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17762.834900][ T7704] ___sys_sendmsg+0xee/0x170 [17762.834900][ T7704] __sys_sendmsg+0xcd/0x170 [17762.834900][ T7704] do_syscall_64+0xc6/0x1e0 [17762.834900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17762.834900][ T7704] [17762.837162][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17762.837162][ T7704] netdev_get_by_index+0x5e/0x80 [17762.837162][ T7704] fib6_nh_init+0x3d8/0x15b0 [17762.837162][ T7704] ip6_route_info_create+0xf18/0x17d0 [17762.837162][ T7704] ip6_route_add+0x1c/0x140 [17762.837162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17762.837162][ T7704] addrconf_add_dev+0xe2/0x170 [17762.837162][ T7704] inet6_addr_add+0x12f/0xa40 [17762.837162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17762.837162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17762.837162][ T7704] netlink_rcv_skb+0x130/0x360 [17762.837162][ T7704] netlink_unicast+0x449/0x710 [17762.837162][ T7704] netlink_sendmsg+0x723/0xbe0 [17762.837162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17762.837162][ T7704] ___sys_sendmsg+0xee/0x170 [17762.837162][ T7704] __sys_sendmsg+0xcd/0x170 [17762.837162][ T7704] do_syscall_64+0xc6/0x1e0 [17762.837162][ T7704] [17762.839402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17762.839402][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17762.839402][ T7704] ipv6_find_idev+0x102/0x170 [17762.839402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17762.839402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17762.839402][ T7704] netlink_rcv_skb+0x130/0x360 [17762.839402][ T7704] netlink_unicast+0x449/0x710 [17762.839402][ T7704] netlink_sendmsg+0x723/0xbe0 [17762.839402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17762.839402][ T7704] ___sys_sendmsg+0xee/0x170 [17762.839402][ T7704] __sys_sendmsg+0xcd/0x170 [17762.839402][ T7704] do_syscall_64+0xc6/0x1e0 [17762.839402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17762.839402][ T7704] [17762.841141][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17762.841141][ T7704] neigh_parms_alloc+0x1e5/0x510 [17762.841141][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17762.841141][ T7704] ipv6_find_idev+0x102/0x170 [17762.841141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17762.841141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17762.841141][ T7704] netlink_rcv_skb+0x130/0x360 [17762.841141][ T7704] netlink_unicast+0x449/0x710 [17762.841141][ T7704] netlink_sendmsg+0x723/0xbe0 [17762.841141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17762.841141][ T7704] ___sys_sendmsg+0xee/0x170 [17762.841141][ T7704] __sys_sendmsg+0xcd/0x170 [17762.841141][ T7704] do_syscall_64+0xc6/0x1e0 [17762.841141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17762.841141][ T7704] [17773.078945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17773.079431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17773.079431][ T7704] netdev_get_by_index+0x5e/0x80 [17773.079431][ T7704] fib6_nh_init+0x3d8/0x15b0 [17773.079431][ T7704] ip6_route_info_create+0xf18/0x17d0 [17773.079431][ T7704] ip6_route_add+0x1c/0x140 [17773.079431][ T7704] addrconf_prefix_route+0x2a6/0x430 [17773.079431][ T7704] inet6_addr_add+0x4f8/0xa40 [17773.079431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17773.079431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17773.079431][ T7704] netlink_rcv_skb+0x130/0x360 [17773.079431][ T7704] netlink_unicast+0x449/0x710 [17773.079431][ T7704] netlink_sendmsg+0x723/0xbe0 [17773.079431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17773.079431][ T7704] ___sys_sendmsg+0xee/0x170 [17773.079431][ T7704] __sys_sendmsg+0xcd/0x170 [17773.079431][ T7704] do_syscall_64+0xc6/0x1e0 [17773.079431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17773.079431][ T7704] [17773.081668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17773.081668][ T7704] netdev_get_by_index+0x5e/0x80 [17773.081668][ T7704] fib6_nh_init+0x3d8/0x15b0 [17773.081668][ T7704] ip6_route_info_create+0xf18/0x17d0 [17773.081668][ T7704] addrconf_f6i_alloc+0x315/0x560 [17773.081668][ T7704] ipv6_add_addr+0x411/0x2000 [17773.081668][ T7704] inet6_addr_add+0x30e/0xa40 [17773.081668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17773.081668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17773.081668][ T7704] netlink_rcv_skb+0x130/0x360 [17773.081668][ T7704] netlink_unicast+0x449/0x710 [17773.081668][ T7704] netlink_sendmsg+0x723/0xbe0 [17773.081668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17773.081668][ T7704] ___sys_sendmsg+0xee/0x170 [17773.081668][ T7704] __sys_sendmsg+0xcd/0x170 [17773.081668][ T7704] do_syscall_64+0xc6/0x1e0 [17773.081668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17773.081668][ T7704] [17773.083865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17773.083865][ T7704] netdev_get_by_index+0x5e/0x80 [17773.083865][ T7704] fib6_nh_init+0x3d8/0x15b0 [17773.083865][ T7704] ip6_route_info_create+0xf18/0x17d0 [17773.083865][ T7704] ip6_route_add+0x1c/0x140 [17773.083865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17773.083865][ T7704] addrconf_add_dev+0xe2/0x170 [17773.083865][ T7704] inet6_addr_add+0x12f/0xa40 [17773.083865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17773.083865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17773.083865][ T7704] netlink_rcv_skb+0x130/0x360 [17773.083865][ T7704] netlink_unicast+0x449/0x710 [17773.083865][ T7704] netlink_sendmsg+0x723/0xbe0 [17773.083865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17773.083865][ T7704] ___sys_sendmsg+0xee/0x170 [17773.083865][ T7704] __sys_sendmsg+0xcd/0x170 [17773.083865][ T7704] do_syscall_64+0xc6/0x1e0 [17773.083865][ T7704] [17773.086096][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17773.086096][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17773.086096][ T7704] ipv6_find_idev+0x102/0x170 [17773.086096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17773.086096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17773.086096][ T7704] netlink_rcv_skb+0x130/0x360 [17773.086096][ T7704] netlink_unicast+0x449/0x710 [17773.086096][ T7704] netlink_sendmsg+0x723/0xbe0 [17773.086096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17773.086096][ T7704] ___sys_sendmsg+0xee/0x170 [17773.086096][ T7704] __sys_sendmsg+0xcd/0x170 [17773.086096][ T7704] do_syscall_64+0xc6/0x1e0 [17773.086096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17773.086096][ T7704] [17773.087851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17773.087851][ T7704] neigh_parms_alloc+0x1e5/0x510 [17773.087851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17773.087851][ T7704] ipv6_find_idev+0x102/0x170 [17773.087851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17773.087851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17773.087851][ T7704] netlink_rcv_skb+0x130/0x360 [17773.087851][ T7704] netlink_unicast+0x449/0x710 [17773.087851][ T7704] netlink_sendmsg+0x723/0xbe0 [17773.087851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17773.087851][ T7704] ___sys_sendmsg+0xee/0x170 [17773.087851][ T7704] __sys_sendmsg+0xcd/0x170 [17773.087851][ T7704] do_syscall_64+0xc6/0x1e0 [17773.087851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17773.087851][ T7704] [17783.327041][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17783.327836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17783.327836][ T7704] netdev_get_by_index+0x5e/0x80 [17783.327836][ T7704] fib6_nh_init+0x3d8/0x15b0 [17783.327836][ T7704] ip6_route_info_create+0xf18/0x17d0 [17783.327836][ T7704] ip6_route_add+0x1c/0x140 [17783.327836][ T7704] addrconf_prefix_route+0x2a6/0x430 [17783.327836][ T7704] inet6_addr_add+0x4f8/0xa40 [17783.327836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17783.327836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17783.327836][ T7704] netlink_rcv_skb+0x130/0x360 [17783.327836][ T7704] netlink_unicast+0x449/0x710 [17783.327836][ T7704] netlink_sendmsg+0x723/0xbe0 [17783.327836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17783.327836][ T7704] ___sys_sendmsg+0xee/0x170 [17783.327836][ T7704] __sys_sendmsg+0xcd/0x170 [17783.327836][ T7704] do_syscall_64+0xc6/0x1e0 [17783.327836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17783.327836][ T7704] [17783.329978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17783.329978][ T7704] netdev_get_by_index+0x5e/0x80 [17783.329978][ T7704] fib6_nh_init+0x3d8/0x15b0 [17783.329978][ T7704] ip6_route_info_create+0xf18/0x17d0 [17783.329978][ T7704] addrconf_f6i_alloc+0x315/0x560 [17783.329978][ T7704] ipv6_add_addr+0x411/0x2000 [17783.329978][ T7704] inet6_addr_add+0x30e/0xa40 [17783.329978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17783.329978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17783.329978][ T7704] netlink_rcv_skb+0x130/0x360 [17783.329978][ T7704] netlink_unicast+0x449/0x710 [17783.329978][ T7704] netlink_sendmsg+0x723/0xbe0 [17783.329978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17783.329978][ T7704] ___sys_sendmsg+0xee/0x170 [17783.329978][ T7704] __sys_sendmsg+0xcd/0x170 [17783.329978][ T7704] do_syscall_64+0xc6/0x1e0 [17783.329978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17783.329978][ T7704] [17783.332143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17783.332143][ T7704] netdev_get_by_index+0x5e/0x80 [17783.332143][ T7704] fib6_nh_init+0x3d8/0x15b0 [17783.332143][ T7704] ip6_route_info_create+0xf18/0x17d0 [17783.332143][ T7704] ip6_route_add+0x1c/0x140 [17783.332143][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17783.332143][ T7704] addrconf_add_dev+0xe2/0x170 [17783.332143][ T7704] inet6_addr_add+0x12f/0xa40 [17783.332143][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17783.332143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17783.332143][ T7704] netlink_rcv_skb+0x130/0x360 [17783.332143][ T7704] netlink_unicast+0x449/0x710 [17783.332143][ T7704] netlink_sendmsg+0x723/0xbe0 [17783.332143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17783.332143][ T7704] ___sys_sendmsg+0xee/0x170 [17783.332143][ T7704] __sys_sendmsg+0xcd/0x170 [17783.332143][ T7704] do_syscall_64+0xc6/0x1e0 [17783.332143][ T7704] [17783.334330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17783.334330][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17783.334330][ T7704] ipv6_find_idev+0x102/0x170 [17783.334330][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17783.334330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17783.334330][ T7704] netlink_rcv_skb+0x130/0x360 [17783.334330][ T7704] netlink_unicast+0x449/0x710 [17783.334330][ T7704] netlink_sendmsg+0x723/0xbe0 [17783.334330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17783.334330][ T7704] ___sys_sendmsg+0xee/0x170 [17783.334330][ T7704] __sys_sendmsg+0xcd/0x170 [17783.334330][ T7704] do_syscall_64+0xc6/0x1e0 [17783.334330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17783.334330][ T7704] [17783.336088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17783.336088][ T7704] neigh_parms_alloc+0x1e5/0x510 [17783.336088][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17783.336088][ T7704] ipv6_find_idev+0x102/0x170 [17783.336088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17783.336088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17783.336088][ T7704] netlink_rcv_skb+0x130/0x360 [17783.336088][ T7704] netlink_unicast+0x449/0x710 [17783.336088][ T7704] netlink_sendmsg+0x723/0xbe0 [17783.336088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17783.336088][ T7704] ___sys_sendmsg+0xee/0x170 [17783.336088][ T7704] __sys_sendmsg+0xcd/0x170 [17783.336088][ T7704] do_syscall_64+0xc6/0x1e0 [17783.336088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17783.336088][ T7704] [17793.575011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17793.575559][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17793.575559][ T7704] netdev_get_by_index+0x5e/0x80 [17793.575559][ T7704] fib6_nh_init+0x3d8/0x15b0 [17793.575559][ T7704] ip6_route_info_create+0xf18/0x17d0 [17793.575559][ T7704] ip6_route_add+0x1c/0x140 [17793.575559][ T7704] addrconf_prefix_route+0x2a6/0x430 [17793.575559][ T7704] inet6_addr_add+0x4f8/0xa40 [17793.575559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17793.575559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17793.575559][ T7704] netlink_rcv_skb+0x130/0x360 [17793.575559][ T7704] netlink_unicast+0x449/0x710 [17793.575559][ T7704] netlink_sendmsg+0x723/0xbe0 [17793.575559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17793.575559][ T7704] ___sys_sendmsg+0xee/0x170 [17793.575559][ T7704] __sys_sendmsg+0xcd/0x170 [17793.575559][ T7704] do_syscall_64+0xc6/0x1e0 [17793.575559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17793.575559][ T7704] [17793.577759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17793.577759][ T7704] netdev_get_by_index+0x5e/0x80 [17793.577759][ T7704] fib6_nh_init+0x3d8/0x15b0 [17793.577759][ T7704] ip6_route_info_create+0xf18/0x17d0 [17793.577759][ T7704] addrconf_f6i_alloc+0x315/0x560 [17793.577759][ T7704] ipv6_add_addr+0x411/0x2000 [17793.577759][ T7704] inet6_addr_add+0x30e/0xa40 [17793.577759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17793.577759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17793.577759][ T7704] netlink_rcv_skb+0x130/0x360 [17793.577759][ T7704] netlink_unicast+0x449/0x710 [17793.577759][ T7704] netlink_sendmsg+0x723/0xbe0 [17793.577759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17793.577759][ T7704] ___sys_sendmsg+0xee/0x170 [17793.577759][ T7704] __sys_sendmsg+0xcd/0x170 [17793.577759][ T7704] do_syscall_64+0xc6/0x1e0 [17793.577759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17793.577759][ T7704] [17793.580008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17793.580008][ T7704] netdev_get_by_index+0x5e/0x80 [17793.580008][ T7704] fib6_nh_init+0x3d8/0x15b0 [17793.580008][ T7704] ip6_route_info_create+0xf18/0x17d0 [17793.580008][ T7704] ip6_route_add+0x1c/0x140 [17793.580008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17793.580008][ T7704] addrconf_add_dev+0xe2/0x170 [17793.580008][ T7704] inet6_addr_add+0x12f/0xa40 [17793.580008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17793.580008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17793.580008][ T7704] netlink_rcv_skb+0x130/0x360 [17793.580008][ T7704] netlink_unicast+0x449/0x710 [17793.580008][ T7704] netlink_sendmsg+0x723/0xbe0 [17793.580008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17793.580008][ T7704] ___sys_sendmsg+0xee/0x170 [17793.580008][ T7704] __sys_sendmsg+0xcd/0x170 [17793.580008][ T7704] do_syscall_64+0xc6/0x1e0 [17793.580008][ T7704] [17793.582225][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17793.582225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17793.582225][ T7704] ipv6_find_idev+0x102/0x170 [17793.582225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17793.582225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17793.582225][ T7704] netlink_rcv_skb+0x130/0x360 [17793.582225][ T7704] netlink_unicast+0x449/0x710 [17793.582225][ T7704] netlink_sendmsg+0x723/0xbe0 [17793.582225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17793.582225][ T7704] ___sys_sendmsg+0xee/0x170 [17793.582225][ T7704] __sys_sendmsg+0xcd/0x170 [17793.582225][ T7704] do_syscall_64+0xc6/0x1e0 [17793.582225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17793.582225][ T7704] [17793.583935][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17793.583935][ T7704] neigh_parms_alloc+0x1e5/0x510 [17793.583935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17793.583935][ T7704] ipv6_find_idev+0x102/0x170 [17793.583935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17793.583935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17793.583935][ T7704] netlink_rcv_skb+0x130/0x360 [17793.583935][ T7704] netlink_unicast+0x449/0x710 [17793.583935][ T7704] netlink_sendmsg+0x723/0xbe0 [17793.583935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17793.583935][ T7704] ___sys_sendmsg+0xee/0x170 [17793.583935][ T7704] __sys_sendmsg+0xcd/0x170 [17793.583935][ T7704] do_syscall_64+0xc6/0x1e0 [17793.583935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17793.583935][ T7704] [17803.822950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17803.823661][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17803.823661][ T7704] netdev_get_by_index+0x5e/0x80 [17803.823661][ T7704] fib6_nh_init+0x3d8/0x15b0 [17803.823661][ T7704] ip6_route_info_create+0xf18/0x17d0 [17803.823661][ T7704] ip6_route_add+0x1c/0x140 [17803.823661][ T7704] addrconf_prefix_route+0x2a6/0x430 [17803.823661][ T7704] inet6_addr_add+0x4f8/0xa40 [17803.823661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17803.823661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17803.823661][ T7704] netlink_rcv_skb+0x130/0x360 [17803.823661][ T7704] netlink_unicast+0x449/0x710 [17803.823661][ T7704] netlink_sendmsg+0x723/0xbe0 [17803.823661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17803.823661][ T7704] ___sys_sendmsg+0xee/0x170 [17803.823661][ T7704] __sys_sendmsg+0xcd/0x170 [17803.823661][ T7704] do_syscall_64+0xc6/0x1e0 [17803.823661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17803.823661][ T7704] [17803.825880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17803.825880][ T7704] netdev_get_by_index+0x5e/0x80 [17803.825880][ T7704] fib6_nh_init+0x3d8/0x15b0 [17803.825880][ T7704] ip6_route_info_create+0xf18/0x17d0 [17803.825880][ T7704] addrconf_f6i_alloc+0x315/0x560 [17803.825880][ T7704] ipv6_add_addr+0x411/0x2000 [17803.825880][ T7704] inet6_addr_add+0x30e/0xa40 [17803.825880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17803.825880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17803.825880][ T7704] netlink_rcv_skb+0x130/0x360 [17803.825880][ T7704] netlink_unicast+0x449/0x710 [17803.825880][ T7704] netlink_sendmsg+0x723/0xbe0 [17803.825880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17803.825880][ T7704] ___sys_sendmsg+0xee/0x170 [17803.825880][ T7704] __sys_sendmsg+0xcd/0x170 [17803.825880][ T7704] do_syscall_64+0xc6/0x1e0 [17803.825880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17803.825880][ T7704] [17803.828122][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17803.828122][ T7704] netdev_get_by_index+0x5e/0x80 [17803.828122][ T7704] fib6_nh_init+0x3d8/0x15b0 [17803.828122][ T7704] ip6_route_info_create+0xf18/0x17d0 [17803.828122][ T7704] ip6_route_add+0x1c/0x140 [17803.828122][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17803.828122][ T7704] addrconf_add_dev+0xe2/0x170 [17803.828122][ T7704] inet6_addr_add+0x12f/0xa40 [17803.828122][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17803.828122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17803.828122][ T7704] netlink_rcv_skb+0x130/0x360 [17803.828122][ T7704] netlink_unicast+0x449/0x710 [17803.828122][ T7704] netlink_sendmsg+0x723/0xbe0 [17803.828122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17803.828122][ T7704] ___sys_sendmsg+0xee/0x170 [17803.828122][ T7704] __sys_sendmsg+0xcd/0x170 [17803.828122][ T7704] do_syscall_64+0xc6/0x1e0 [17803.828122][ T7704] [17803.830360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17803.830360][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17803.830360][ T7704] ipv6_find_idev+0x102/0x170 [17803.830360][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17803.830360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17803.830360][ T7704] netlink_rcv_skb+0x130/0x360 [17803.830360][ T7704] netlink_unicast+0x449/0x710 [17803.830360][ T7704] netlink_sendmsg+0x723/0xbe0 [17803.830360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17803.830360][ T7704] ___sys_sendmsg+0xee/0x170 [17803.830360][ T7704] __sys_sendmsg+0xcd/0x170 [17803.830360][ T7704] do_syscall_64+0xc6/0x1e0 [17803.830360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17803.830360][ T7704] [17803.832113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17803.832113][ T7704] neigh_parms_alloc+0x1e5/0x510 [17803.832113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17803.832113][ T7704] ipv6_find_idev+0x102/0x170 [17803.832113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17803.832113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17803.832113][ T7704] netlink_rcv_skb+0x130/0x360 [17803.832113][ T7704] netlink_unicast+0x449/0x710 [17803.832113][ T7704] netlink_sendmsg+0x723/0xbe0 [17803.832113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17803.832113][ T7704] ___sys_sendmsg+0xee/0x170 [17803.832113][ T7704] __sys_sendmsg+0xcd/0x170 [17803.832113][ T7704] do_syscall_64+0xc6/0x1e0 [17803.832113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17803.832113][ T7704] [17814.071013][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17814.071573][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17814.071573][ T7704] netdev_get_by_index+0x5e/0x80 [17814.071573][ T7704] fib6_nh_init+0x3d8/0x15b0 [17814.071573][ T7704] ip6_route_info_create+0xf18/0x17d0 [17814.071573][ T7704] ip6_route_add+0x1c/0x140 [17814.071573][ T7704] addrconf_prefix_route+0x2a6/0x430 [17814.071573][ T7704] inet6_addr_add+0x4f8/0xa40 [17814.071573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17814.071573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17814.071573][ T7704] netlink_rcv_skb+0x130/0x360 [17814.071573][ T7704] netlink_unicast+0x449/0x710 [17814.071573][ T7704] netlink_sendmsg+0x723/0xbe0 [17814.071573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17814.071573][ T7704] ___sys_sendmsg+0xee/0x170 [17814.071573][ T7704] __sys_sendmsg+0xcd/0x170 [17814.071573][ T7704] do_syscall_64+0xc6/0x1e0 [17814.071573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17814.071573][ T7704] [17814.073737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17814.073737][ T7704] netdev_get_by_index+0x5e/0x80 [17814.073737][ T7704] fib6_nh_init+0x3d8/0x15b0 [17814.073737][ T7704] ip6_route_info_create+0xf18/0x17d0 [17814.073737][ T7704] addrconf_f6i_alloc+0x315/0x560 [17814.073737][ T7704] ipv6_add_addr+0x411/0x2000 [17814.073737][ T7704] inet6_addr_add+0x30e/0xa40 [17814.073737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17814.073737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17814.073737][ T7704] netlink_rcv_skb+0x130/0x360 [17814.073737][ T7704] netlink_unicast+0x449/0x710 [17814.073737][ T7704] netlink_sendmsg+0x723/0xbe0 [17814.073737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17814.073737][ T7704] ___sys_sendmsg+0xee/0x170 [17814.073737][ T7704] __sys_sendmsg+0xcd/0x170 [17814.073737][ T7704] do_syscall_64+0xc6/0x1e0 [17814.073737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17814.073737][ T7704] [17814.075978][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17814.075978][ T7704] netdev_get_by_index+0x5e/0x80 [17814.075978][ T7704] fib6_nh_init+0x3d8/0x15b0 [17814.075978][ T7704] ip6_route_info_create+0xf18/0x17d0 [17814.075978][ T7704] ip6_route_add+0x1c/0x140 [17814.075978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17814.075978][ T7704] addrconf_add_dev+0xe2/0x170 [17814.075978][ T7704] inet6_addr_add+0x12f/0xa40 [17814.075978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17814.075978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17814.075978][ T7704] netlink_rcv_skb+0x130/0x360 [17814.075978][ T7704] netlink_unicast+0x449/0x710 [17814.075978][ T7704] netlink_sendmsg+0x723/0xbe0 [17814.075978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17814.075978][ T7704] ___sys_sendmsg+0xee/0x170 [17814.075978][ T7704] __sys_sendmsg+0xcd/0x170 [17814.075978][ T7704] do_syscall_64+0xc6/0x1e0 [17814.075978][ T7704] [17814.078046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17814.078046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17814.078046][ T7704] ipv6_find_idev+0x102/0x170 [17814.078046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17814.078046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17814.078046][ T7704] netlink_rcv_skb+0x130/0x360 [17814.078046][ T7704] netlink_unicast+0x449/0x710 [17814.078046][ T7704] netlink_sendmsg+0x723/0xbe0 [17814.078046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17814.078046][ T7704] ___sys_sendmsg+0xee/0x170 [17814.078046][ T7704] __sys_sendmsg+0xcd/0x170 [17814.078046][ T7704] do_syscall_64+0xc6/0x1e0 [17814.078046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17814.078046][ T7704] [17814.079656][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17814.079656][ T7704] neigh_parms_alloc+0x1e5/0x510 [17814.079656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17814.079656][ T7704] ipv6_find_idev+0x102/0x170 [17814.079656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17814.079656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17814.079656][ T7704] netlink_rcv_skb+0x130/0x360 [17814.079656][ T7704] netlink_unicast+0x449/0x710 [17814.079656][ T7704] netlink_sendmsg+0x723/0xbe0 [17814.079656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17814.079656][ T7704] ___sys_sendmsg+0xee/0x170 [17814.079656][ T7704] __sys_sendmsg+0xcd/0x170 [17814.079656][ T7704] do_syscall_64+0xc6/0x1e0 [17814.079656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17814.079656][ T7704] [17824.335063][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17824.335630][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17824.335630][ T7704] netdev_get_by_index+0x5e/0x80 [17824.335630][ T7704] fib6_nh_init+0x3d8/0x15b0 [17824.335630][ T7704] ip6_route_info_create+0xf18/0x17d0 [17824.335630][ T7704] ip6_route_add+0x1c/0x140 [17824.335630][ T7704] addrconf_prefix_route+0x2a6/0x430 [17824.335630][ T7704] inet6_addr_add+0x4f8/0xa40 [17824.335630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17824.335630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17824.335630][ T7704] netlink_rcv_skb+0x130/0x360 [17824.335630][ T7704] netlink_unicast+0x449/0x710 [17824.335630][ T7704] netlink_sendmsg+0x723/0xbe0 [17824.335630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17824.335630][ T7704] ___sys_sendmsg+0xee/0x170 [17824.335630][ T7704] __sys_sendmsg+0xcd/0x170 [17824.335630][ T7704] do_syscall_64+0xc6/0x1e0 [17824.335630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17824.335630][ T7704] [17824.337959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17824.337959][ T7704] netdev_get_by_index+0x5e/0x80 [17824.337959][ T7704] fib6_nh_init+0x3d8/0x15b0 [17824.337959][ T7704] ip6_route_info_create+0xf18/0x17d0 [17824.337959][ T7704] addrconf_f6i_alloc+0x315/0x560 [17824.337959][ T7704] ipv6_add_addr+0x411/0x2000 [17824.337959][ T7704] inet6_addr_add+0x30e/0xa40 [17824.337959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17824.337959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17824.337959][ T7704] netlink_rcv_skb+0x130/0x360 [17824.337959][ T7704] netlink_unicast+0x449/0x710 [17824.337959][ T7704] netlink_sendmsg+0x723/0xbe0 [17824.337959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17824.337959][ T7704] ___sys_sendmsg+0xee/0x170 [17824.337959][ T7704] __sys_sendmsg+0xcd/0x170 [17824.337959][ T7704] do_syscall_64+0xc6/0x1e0 [17824.337959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17824.337959][ T7704] [17824.340119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17824.340119][ T7704] netdev_get_by_index+0x5e/0x80 [17824.340119][ T7704] fib6_nh_init+0x3d8/0x15b0 [17824.340119][ T7704] ip6_route_info_create+0xf18/0x17d0 [17824.340119][ T7704] ip6_route_add+0x1c/0x140 [17824.340119][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17824.340119][ T7704] addrconf_add_dev+0xe2/0x170 [17824.340119][ T7704] inet6_addr_add+0x12f/0xa40 [17824.340119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17824.340119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17824.340119][ T7704] netlink_rcv_skb+0x130/0x360 [17824.340119][ T7704] netlink_unicast+0x449/0x710 [17824.340119][ T7704] netlink_sendmsg+0x723/0xbe0 [17824.340119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17824.340119][ T7704] ___sys_sendmsg+0xee/0x170 [17824.340119][ T7704] __sys_sendmsg+0xcd/0x170 [17824.340119][ T7704] do_syscall_64+0xc6/0x1e0 [17824.340119][ T7704] [17824.342406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17824.342406][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17824.342406][ T7704] ipv6_find_idev+0x102/0x170 [17824.342406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17824.342406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17824.342406][ T7704] netlink_rcv_skb+0x130/0x360 [17824.342406][ T7704] netlink_unicast+0x449/0x710 [17824.342406][ T7704] netlink_sendmsg+0x723/0xbe0 [17824.342406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17824.342406][ T7704] ___sys_sendmsg+0xee/0x170 [17824.342406][ T7704] __sys_sendmsg+0xcd/0x170 [17824.342406][ T7704] do_syscall_64+0xc6/0x1e0 [17824.342406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17824.342406][ T7704] [17824.344132][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17824.344132][ T7704] neigh_parms_alloc+0x1e5/0x510 [17824.344132][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17824.344132][ T7704] ipv6_find_idev+0x102/0x170 [17824.344132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17824.344132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17824.344132][ T7704] netlink_rcv_skb+0x130/0x360 [17824.344132][ T7704] netlink_unicast+0x449/0x710 [17824.344132][ T7704] netlink_sendmsg+0x723/0xbe0 [17824.344132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17824.344132][ T7704] ___sys_sendmsg+0xee/0x170 [17824.344132][ T7704] __sys_sendmsg+0xcd/0x170 [17824.344132][ T7704] do_syscall_64+0xc6/0x1e0 [17824.344132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17824.344132][ T7704] [17834.591110][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17834.591650][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17834.591650][ T7704] netdev_get_by_index+0x5e/0x80 [17834.591650][ T7704] fib6_nh_init+0x3d8/0x15b0 [17834.591650][ T7704] ip6_route_info_create+0xf18/0x17d0 [17834.591650][ T7704] ip6_route_add+0x1c/0x140 [17834.591650][ T7704] addrconf_prefix_route+0x2a6/0x430 [17834.591650][ T7704] inet6_addr_add+0x4f8/0xa40 [17834.591650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17834.591650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17834.591650][ T7704] netlink_rcv_skb+0x130/0x360 [17834.591650][ T7704] netlink_unicast+0x449/0x710 [17834.591650][ T7704] netlink_sendmsg+0x723/0xbe0 [17834.591650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17834.591650][ T7704] ___sys_sendmsg+0xee/0x170 [17834.591650][ T7704] __sys_sendmsg+0xcd/0x170 [17834.591650][ T7704] do_syscall_64+0xc6/0x1e0 [17834.591650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17834.591650][ T7704] [17834.593893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17834.593893][ T7704] netdev_get_by_index+0x5e/0x80 [17834.593893][ T7704] fib6_nh_init+0x3d8/0x15b0 [17834.593893][ T7704] ip6_route_info_create+0xf18/0x17d0 [17834.593893][ T7704] addrconf_f6i_alloc+0x315/0x560 [17834.593893][ T7704] ipv6_add_addr+0x411/0x2000 [17834.593893][ T7704] inet6_addr_add+0x30e/0xa40 [17834.593893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17834.593893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17834.593893][ T7704] netlink_rcv_skb+0x130/0x360 [17834.593893][ T7704] netlink_unicast+0x449/0x710 [17834.593893][ T7704] netlink_sendmsg+0x723/0xbe0 [17834.593893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17834.593893][ T7704] ___sys_sendmsg+0xee/0x170 [17834.593893][ T7704] __sys_sendmsg+0xcd/0x170 [17834.593893][ T7704] do_syscall_64+0xc6/0x1e0 [17834.593893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17834.593893][ T7704] [17834.596058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17834.596058][ T7704] netdev_get_by_index+0x5e/0x80 [17834.596058][ T7704] fib6_nh_init+0x3d8/0x15b0 [17834.596058][ T7704] ip6_route_info_create+0xf18/0x17d0 [17834.596058][ T7704] ip6_route_add+0x1c/0x140 [17834.596058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17834.596058][ T7704] addrconf_add_dev+0xe2/0x170 [17834.596058][ T7704] inet6_addr_add+0x12f/0xa40 [17834.596058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17834.596058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17834.596058][ T7704] netlink_rcv_skb+0x130/0x360 [17834.596058][ T7704] netlink_unicast+0x449/0x710 [17834.596058][ T7704] netlink_sendmsg+0x723/0xbe0 [17834.596058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17834.596058][ T7704] ___sys_sendmsg+0xee/0x170 [17834.596058][ T7704] __sys_sendmsg+0xcd/0x170 [17834.596058][ T7704] do_syscall_64+0xc6/0x1e0 [17834.596058][ T7704] [17834.598357][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17834.598357][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17834.598357][ T7704] ipv6_find_idev+0x102/0x170 [17834.598357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17834.598357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17834.598357][ T7704] netlink_rcv_skb+0x130/0x360 [17834.598357][ T7704] netlink_unicast+0x449/0x710 [17834.598357][ T7704] netlink_sendmsg+0x723/0xbe0 [17834.598357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17834.598357][ T7704] ___sys_sendmsg+0xee/0x170 [17834.598357][ T7704] __sys_sendmsg+0xcd/0x170 [17834.598357][ T7704] do_syscall_64+0xc6/0x1e0 [17834.598357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17834.598357][ T7704] [17834.600079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17834.600079][ T7704] neigh_parms_alloc+0x1e5/0x510 [17834.600079][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17834.600079][ T7704] ipv6_find_idev+0x102/0x170 [17834.600079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17834.600079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17834.600079][ T7704] netlink_rcv_skb+0x130/0x360 [17834.600079][ T7704] netlink_unicast+0x449/0x710 [17834.600079][ T7704] netlink_sendmsg+0x723/0xbe0 [17834.600079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17834.600079][ T7704] ___sys_sendmsg+0xee/0x170 [17834.600079][ T7704] __sys_sendmsg+0xcd/0x170 [17834.600079][ T7704] do_syscall_64+0xc6/0x1e0 [17834.600079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17834.600079][ T7704] [17844.839112][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17844.839692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17844.839692][ T7704] netdev_get_by_index+0x5e/0x80 [17844.839692][ T7704] fib6_nh_init+0x3d8/0x15b0 [17844.839692][ T7704] ip6_route_info_create+0xf18/0x17d0 [17844.839692][ T7704] ip6_route_add+0x1c/0x140 [17844.839692][ T7704] addrconf_prefix_route+0x2a6/0x430 [17844.839692][ T7704] inet6_addr_add+0x4f8/0xa40 [17844.839692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17844.839692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17844.839692][ T7704] netlink_rcv_skb+0x130/0x360 [17844.839692][ T7704] netlink_unicast+0x449/0x710 [17844.839692][ T7704] netlink_sendmsg+0x723/0xbe0 [17844.839692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17844.839692][ T7704] ___sys_sendmsg+0xee/0x170 [17844.839692][ T7704] __sys_sendmsg+0xcd/0x170 [17844.839692][ T7704] do_syscall_64+0xc6/0x1e0 [17844.839692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17844.839692][ T7704] [17844.841930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17844.841930][ T7704] netdev_get_by_index+0x5e/0x80 [17844.841930][ T7704] fib6_nh_init+0x3d8/0x15b0 [17844.841930][ T7704] ip6_route_info_create+0xf18/0x17d0 [17844.841930][ T7704] addrconf_f6i_alloc+0x315/0x560 [17844.841930][ T7704] ipv6_add_addr+0x411/0x2000 [17844.841930][ T7704] inet6_addr_add+0x30e/0xa40 [17844.841930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17844.841930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17844.841930][ T7704] netlink_rcv_skb+0x130/0x360 [17844.841930][ T7704] netlink_unicast+0x449/0x710 [17844.841930][ T7704] netlink_sendmsg+0x723/0xbe0 [17844.841930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17844.841930][ T7704] ___sys_sendmsg+0xee/0x170 [17844.841930][ T7704] __sys_sendmsg+0xcd/0x170 [17844.841930][ T7704] do_syscall_64+0xc6/0x1e0 [17844.841930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17844.841930][ T7704] [17844.844118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17844.844118][ T7704] netdev_get_by_index+0x5e/0x80 [17844.844118][ T7704] fib6_nh_init+0x3d8/0x15b0 [17844.844118][ T7704] ip6_route_info_create+0xf18/0x17d0 [17844.844118][ T7704] ip6_route_add+0x1c/0x140 [17844.844118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17844.844118][ T7704] addrconf_add_dev+0xe2/0x170 [17844.844118][ T7704] inet6_addr_add+0x12f/0xa40 [17844.844118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17844.844118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17844.844118][ T7704] netlink_rcv_skb+0x130/0x360 [17844.844118][ T7704] netlink_unicast+0x449/0x710 [17844.844118][ T7704] netlink_sendmsg+0x723/0xbe0 [17844.844118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17844.844118][ T7704] ___sys_sendmsg+0xee/0x170 [17844.844118][ T7704] __sys_sendmsg+0xcd/0x170 [17844.844118][ T7704] do_syscall_64+0xc6/0x1e0 [17844.844118][ T7704] [17844.846245][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17844.846245][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17844.846245][ T7704] ipv6_find_idev+0x102/0x170 [17844.846245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17844.846245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17844.846245][ T7704] netlink_rcv_skb+0x130/0x360 [17844.846245][ T7704] netlink_unicast+0x449/0x710 [17844.846245][ T7704] netlink_sendmsg+0x723/0xbe0 [17844.846245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17844.846245][ T7704] ___sys_sendmsg+0xee/0x170 [17844.846245][ T7704] __sys_sendmsg+0xcd/0x170 [17844.846245][ T7704] do_syscall_64+0xc6/0x1e0 [17844.846245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17844.846245][ T7704] [17844.848000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17844.848000][ T7704] neigh_parms_alloc+0x1e5/0x510 [17844.848000][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17844.848000][ T7704] ipv6_find_idev+0x102/0x170 [17844.848000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17844.848000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17844.848000][ T7704] netlink_rcv_skb+0x130/0x360 [17844.848000][ T7704] netlink_unicast+0x449/0x710 [17844.848000][ T7704] netlink_sendmsg+0x723/0xbe0 [17844.848000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17844.848000][ T7704] ___sys_sendmsg+0xee/0x170 [17844.848000][ T7704] __sys_sendmsg+0xcd/0x170 [17844.848000][ T7704] do_syscall_64+0xc6/0x1e0 [17844.848000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17844.848000][ T7704] [17855.095014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17855.096314][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17855.096314][ T7704] netdev_get_by_index+0x5e/0x80 [17855.096314][ T7704] fib6_nh_init+0x3d8/0x15b0 [17855.096314][ T7704] ip6_route_info_create+0xf18/0x17d0 [17855.096314][ T7704] ip6_route_add+0x1c/0x140 [17855.096314][ T7704] addrconf_prefix_route+0x2a6/0x430 [17855.096314][ T7704] inet6_addr_add+0x4f8/0xa40 [17855.096314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17855.096314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17855.096314][ T7704] netlink_rcv_skb+0x130/0x360 [17855.096314][ T7704] netlink_unicast+0x449/0x710 [17855.096314][ T7704] netlink_sendmsg+0x723/0xbe0 [17855.096314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17855.096314][ T7704] ___sys_sendmsg+0xee/0x170 [17855.096314][ T7704] __sys_sendmsg+0xcd/0x170 [17855.096314][ T7704] do_syscall_64+0xc6/0x1e0 [17855.096314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17855.096314][ T7704] [17855.098546][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17855.098546][ T7704] netdev_get_by_index+0x5e/0x80 [17855.098546][ T7704] fib6_nh_init+0x3d8/0x15b0 [17855.098546][ T7704] ip6_route_info_create+0xf18/0x17d0 [17855.098546][ T7704] addrconf_f6i_alloc+0x315/0x560 [17855.098546][ T7704] ipv6_add_addr+0x411/0x2000 [17855.098546][ T7704] inet6_addr_add+0x30e/0xa40 [17855.098546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17855.098546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17855.098546][ T7704] netlink_rcv_skb+0x130/0x360 [17855.098546][ T7704] netlink_unicast+0x449/0x710 [17855.098546][ T7704] netlink_sendmsg+0x723/0xbe0 [17855.098546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17855.098546][ T7704] ___sys_sendmsg+0xee/0x170 [17855.098546][ T7704] __sys_sendmsg+0xcd/0x170 [17855.098546][ T7704] do_syscall_64+0xc6/0x1e0 [17855.098546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17855.098546][ T7704] [17855.100705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17855.100705][ T7704] netdev_get_by_index+0x5e/0x80 [17855.100705][ T7704] fib6_nh_init+0x3d8/0x15b0 [17855.100705][ T7704] ip6_route_info_create+0xf18/0x17d0 [17855.100705][ T7704] ip6_route_add+0x1c/0x140 [17855.100705][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17855.100705][ T7704] addrconf_add_dev+0xe2/0x170 [17855.100705][ T7704] inet6_addr_add+0x12f/0xa40 [17855.100705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17855.100705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17855.100705][ T7704] netlink_rcv_skb+0x130/0x360 [17855.100705][ T7704] netlink_unicast+0x449/0x710 [17855.100705][ T7704] netlink_sendmsg+0x723/0xbe0 [17855.100705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17855.100705][ T7704] ___sys_sendmsg+0xee/0x170 [17855.100705][ T7704] __sys_sendmsg+0xcd/0x170 [17855.100705][ T7704] do_syscall_64+0xc6/0x1e0 [17855.100705][ T7704] [17855.102832][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17855.102832][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17855.102832][ T7704] ipv6_find_idev+0x102/0x170 [17855.102832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17855.102832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17855.102832][ T7704] netlink_rcv_skb+0x130/0x360 [17855.102832][ T7704] netlink_unicast+0x449/0x710 [17855.102832][ T7704] netlink_sendmsg+0x723/0xbe0 [17855.102832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17855.102832][ T7704] ___sys_sendmsg+0xee/0x170 [17855.102832][ T7704] __sys_sendmsg+0xcd/0x170 [17855.102832][ T7704] do_syscall_64+0xc6/0x1e0 [17855.102832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17855.102832][ T7704] [17855.105145][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17855.105145][ T7704] neigh_parms_alloc+0x1e5/0x510 [17855.105145][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17855.105145][ T7704] ipv6_find_idev+0x102/0x170 [17855.105145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17855.105145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17855.105145][ T7704] netlink_rcv_skb+0x130/0x360 [17855.105145][ T7704] netlink_unicast+0x449/0x710 [17855.105145][ T7704] netlink_sendmsg+0x723/0xbe0 [17855.105145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17855.105145][ T7704] ___sys_sendmsg+0xee/0x170 [17855.105145][ T7704] __sys_sendmsg+0xcd/0x170 [17855.105145][ T7704] do_syscall_64+0xc6/0x1e0 [17855.105145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17855.105145][ T7704] [17865.239021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17865.239572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17865.239572][ T7704] netdev_get_by_index+0x5e/0x80 [17865.239572][ T7704] fib6_nh_init+0x3d8/0x15b0 [17865.239572][ T7704] ip6_route_info_create+0xf18/0x17d0 [17865.239572][ T7704] ip6_route_add+0x1c/0x140 [17865.239572][ T7704] addrconf_prefix_route+0x2a6/0x430 [17865.239572][ T7704] inet6_addr_add+0x4f8/0xa40 [17865.239572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17865.239572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17865.239572][ T7704] netlink_rcv_skb+0x130/0x360 [17865.239572][ T7704] netlink_unicast+0x449/0x710 [17865.239572][ T7704] netlink_sendmsg+0x723/0xbe0 [17865.239572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17865.239572][ T7704] ___sys_sendmsg+0xee/0x170 [17865.239572][ T7704] __sys_sendmsg+0xcd/0x170 [17865.239572][ T7704] do_syscall_64+0xc6/0x1e0 [17865.239572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17865.239572][ T7704] [17865.241744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17865.241744][ T7704] netdev_get_by_index+0x5e/0x80 [17865.241744][ T7704] fib6_nh_init+0x3d8/0x15b0 [17865.241744][ T7704] ip6_route_info_create+0xf18/0x17d0 [17865.241744][ T7704] addrconf_f6i_alloc+0x315/0x560 [17865.241744][ T7704] ipv6_add_addr+0x411/0x2000 [17865.241744][ T7704] inet6_addr_add+0x30e/0xa40 [17865.241744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17865.241744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17865.241744][ T7704] netlink_rcv_skb+0x130/0x360 [17865.241744][ T7704] netlink_unicast+0x449/0x710 [17865.241744][ T7704] netlink_sendmsg+0x723/0xbe0 [17865.241744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17865.241744][ T7704] ___sys_sendmsg+0xee/0x170 [17865.241744][ T7704] __sys_sendmsg+0xcd/0x170 [17865.241744][ T7704] do_syscall_64+0xc6/0x1e0 [17865.241744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17865.241744][ T7704] [17865.243895][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17865.243895][ T7704] netdev_get_by_index+0x5e/0x80 [17865.243895][ T7704] fib6_nh_init+0x3d8/0x15b0 [17865.243895][ T7704] ip6_route_info_create+0xf18/0x17d0 [17865.243895][ T7704] ip6_route_add+0x1c/0x140 [17865.243895][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17865.243895][ T7704] addrconf_add_dev+0xe2/0x170 [17865.243895][ T7704] inet6_addr_add+0x12f/0xa40 [17865.243895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17865.243895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17865.243895][ T7704] netlink_rcv_skb+0x130/0x360 [17865.243895][ T7704] netlink_unicast+0x449/0x710 [17865.243895][ T7704] netlink_sendmsg+0x723/0xbe0 [17865.243895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17865.243895][ T7704] ___sys_sendmsg+0xee/0x170 [17865.243895][ T7704] __sys_sendmsg+0xcd/0x170 [17865.243895][ T7704] do_syscall_64+0xc6/0x1e0 [17865.243895][ T7704] [17865.245957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17865.245957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17865.245957][ T7704] ipv6_find_idev+0x102/0x170 [17865.245957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17865.245957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17865.245957][ T7704] netlink_rcv_skb+0x130/0x360 [17865.245957][ T7704] netlink_unicast+0x449/0x710 [17865.245957][ T7704] netlink_sendmsg+0x723/0xbe0 [17865.245957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17865.245957][ T7704] ___sys_sendmsg+0xee/0x170 [17865.245957][ T7704] __sys_sendmsg+0xcd/0x170 [17865.245957][ T7704] do_syscall_64+0xc6/0x1e0 [17865.245957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17865.245957][ T7704] [17865.247655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17865.247655][ T7704] neigh_parms_alloc+0x1e5/0x510 [17865.247655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17865.247655][ T7704] ipv6_find_idev+0x102/0x170 [17865.247655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17865.247655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17865.247655][ T7704] netlink_rcv_skb+0x130/0x360 [17865.247655][ T7704] netlink_unicast+0x449/0x710 [17865.247655][ T7704] netlink_sendmsg+0x723/0xbe0 [17865.247655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17865.247655][ T7704] ___sys_sendmsg+0xee/0x170 [17865.247655][ T7704] __sys_sendmsg+0xcd/0x170 [17865.247655][ T7704] do_syscall_64+0xc6/0x1e0 [17865.247655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17865.247655][ T7704] [17875.351014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17875.351565][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17875.351565][ T7704] netdev_get_by_index+0x5e/0x80 [17875.351565][ T7704] fib6_nh_init+0x3d8/0x15b0 [17875.351565][ T7704] ip6_route_info_create+0xf18/0x17d0 [17875.351565][ T7704] ip6_route_add+0x1c/0x140 [17875.351565][ T7704] addrconf_prefix_route+0x2a6/0x430 [17875.351565][ T7704] inet6_addr_add+0x4f8/0xa40 [17875.351565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17875.351565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17875.351565][ T7704] netlink_rcv_skb+0x130/0x360 [17875.351565][ T7704] netlink_unicast+0x449/0x710 [17875.351565][ T7704] netlink_sendmsg+0x723/0xbe0 [17875.351565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17875.351565][ T7704] ___sys_sendmsg+0xee/0x170 [17875.351565][ T7704] __sys_sendmsg+0xcd/0x170 [17875.351565][ T7704] do_syscall_64+0xc6/0x1e0 [17875.351565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17875.351565][ T7704] [17875.353763][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17875.353763][ T7704] netdev_get_by_index+0x5e/0x80 [17875.353763][ T7704] fib6_nh_init+0x3d8/0x15b0 [17875.353763][ T7704] ip6_route_info_create+0xf18/0x17d0 [17875.353763][ T7704] addrconf_f6i_alloc+0x315/0x560 [17875.353763][ T7704] ipv6_add_addr+0x411/0x2000 [17875.353763][ T7704] inet6_addr_add+0x30e/0xa40 [17875.353763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17875.353763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17875.353763][ T7704] netlink_rcv_skb+0x130/0x360 [17875.353763][ T7704] netlink_unicast+0x449/0x710 [17875.353763][ T7704] netlink_sendmsg+0x723/0xbe0 [17875.353763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17875.353763][ T7704] ___sys_sendmsg+0xee/0x170 [17875.353763][ T7704] __sys_sendmsg+0xcd/0x170 [17875.353763][ T7704] do_syscall_64+0xc6/0x1e0 [17875.353763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17875.353763][ T7704] [17875.355852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17875.355852][ T7704] netdev_get_by_index+0x5e/0x80 [17875.355852][ T7704] fib6_nh_init+0x3d8/0x15b0 [17875.355852][ T7704] ip6_route_info_create+0xf18/0x17d0 [17875.355852][ T7704] ip6_route_add+0x1c/0x140 [17875.355852][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17875.355852][ T7704] addrconf_add_dev+0xe2/0x170 [17875.355852][ T7704] inet6_addr_add+0x12f/0xa40 [17875.355852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17875.355852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17875.355852][ T7704] netlink_rcv_skb+0x130/0x360 [17875.355852][ T7704] netlink_unicast+0x449/0x710 [17875.355852][ T7704] netlink_sendmsg+0x723/0xbe0 [17875.355852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17875.355852][ T7704] ___sys_sendmsg+0xee/0x170 [17875.355852][ T7704] __sys_sendmsg+0xcd/0x170 [17875.355852][ T7704] do_syscall_64+0xc6/0x1e0 [17875.355852][ T7704] [17875.358058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17875.358058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17875.358058][ T7704] ipv6_find_idev+0x102/0x170 [17875.358058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17875.358058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17875.358058][ T7704] netlink_rcv_skb+0x130/0x360 [17875.358058][ T7704] netlink_unicast+0x449/0x710 [17875.358058][ T7704] netlink_sendmsg+0x723/0xbe0 [17875.358058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17875.358058][ T7704] ___sys_sendmsg+0xee/0x170 [17875.358058][ T7704] __sys_sendmsg+0xcd/0x170 [17875.358058][ T7704] do_syscall_64+0xc6/0x1e0 [17875.358058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17875.358058][ T7704] [17875.360344][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17875.360344][ T7704] neigh_parms_alloc+0x1e5/0x510 [17875.360344][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17875.360344][ T7704] ipv6_find_idev+0x102/0x170 [17875.360344][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17875.360344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17875.360344][ T7704] netlink_rcv_skb+0x130/0x360 [17875.360344][ T7704] netlink_unicast+0x449/0x710 [17875.360344][ T7704] netlink_sendmsg+0x723/0xbe0 [17875.360344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17875.360344][ T7704] ___sys_sendmsg+0xee/0x170 [17875.360344][ T7704] __sys_sendmsg+0xcd/0x170 [17875.360344][ T7704] do_syscall_64+0xc6/0x1e0 [17875.360344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17875.360344][ T7704] [17885.495104][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17885.495883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17885.495883][ T7704] netdev_get_by_index+0x5e/0x80 [17885.495883][ T7704] fib6_nh_init+0x3d8/0x15b0 [17885.495883][ T7704] ip6_route_info_create+0xf18/0x17d0 [17885.495883][ T7704] ip6_route_add+0x1c/0x140 [17885.495883][ T7704] addrconf_prefix_route+0x2a6/0x430 [17885.495883][ T7704] inet6_addr_add+0x4f8/0xa40 [17885.495883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17885.495883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17885.495883][ T7704] netlink_rcv_skb+0x130/0x360 [17885.495883][ T7704] netlink_unicast+0x449/0x710 [17885.495883][ T7704] netlink_sendmsg+0x723/0xbe0 [17885.495883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17885.495883][ T7704] ___sys_sendmsg+0xee/0x170 [17885.495883][ T7704] __sys_sendmsg+0xcd/0x170 [17885.495883][ T7704] do_syscall_64+0xc6/0x1e0 [17885.495883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17885.495883][ T7704] [17885.498160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17885.498160][ T7704] netdev_get_by_index+0x5e/0x80 [17885.498160][ T7704] fib6_nh_init+0x3d8/0x15b0 [17885.498160][ T7704] ip6_route_info_create+0xf18/0x17d0 [17885.498160][ T7704] addrconf_f6i_alloc+0x315/0x560 [17885.498160][ T7704] ipv6_add_addr+0x411/0x2000 [17885.498160][ T7704] inet6_addr_add+0x30e/0xa40 [17885.498160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17885.498160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17885.498160][ T7704] netlink_rcv_skb+0x130/0x360 [17885.498160][ T7704] netlink_unicast+0x449/0x710 [17885.498160][ T7704] netlink_sendmsg+0x723/0xbe0 [17885.498160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17885.498160][ T7704] ___sys_sendmsg+0xee/0x170 [17885.498160][ T7704] __sys_sendmsg+0xcd/0x170 [17885.498160][ T7704] do_syscall_64+0xc6/0x1e0 [17885.498160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17885.498160][ T7704] [17885.500316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17885.500316][ T7704] netdev_get_by_index+0x5e/0x80 [17885.500316][ T7704] fib6_nh_init+0x3d8/0x15b0 [17885.500316][ T7704] ip6_route_info_create+0xf18/0x17d0 [17885.500316][ T7704] ip6_route_add+0x1c/0x140 [17885.500316][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17885.500316][ T7704] addrconf_add_dev+0xe2/0x170 [17885.500316][ T7704] inet6_addr_add+0x12f/0xa40 [17885.500316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17885.500316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17885.500316][ T7704] netlink_rcv_skb+0x130/0x360 [17885.500316][ T7704] netlink_unicast+0x449/0x710 [17885.500316][ T7704] netlink_sendmsg+0x723/0xbe0 [17885.500316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17885.500316][ T7704] ___sys_sendmsg+0xee/0x170 [17885.500316][ T7704] __sys_sendmsg+0xcd/0x170 [17885.500316][ T7704] do_syscall_64+0xc6/0x1e0 [17885.500316][ T7704] [17885.502490][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17885.502490][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17885.502490][ T7704] ipv6_find_idev+0x102/0x170 [17885.502490][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17885.502490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17885.502490][ T7704] netlink_rcv_skb+0x130/0x360 [17885.502490][ T7704] netlink_unicast+0x449/0x710 [17885.502490][ T7704] netlink_sendmsg+0x723/0xbe0 [17885.502490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17885.502490][ T7704] ___sys_sendmsg+0xee/0x170 [17885.502490][ T7704] __sys_sendmsg+0xcd/0x170 [17885.502490][ T7704] do_syscall_64+0xc6/0x1e0 [17885.502490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17885.502490][ T7704] [17885.504099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17885.504099][ T7704] neigh_parms_alloc+0x1e5/0x510 [17885.504099][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17885.504099][ T7704] ipv6_find_idev+0x102/0x170 [17885.504099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17885.504099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17885.504099][ T7704] netlink_rcv_skb+0x130/0x360 [17885.504099][ T7704] netlink_unicast+0x449/0x710 [17885.504099][ T7704] netlink_sendmsg+0x723/0xbe0 [17885.504099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17885.504099][ T7704] ___sys_sendmsg+0xee/0x170 [17885.504099][ T7704] __sys_sendmsg+0xcd/0x170 [17885.504099][ T7704] do_syscall_64+0xc6/0x1e0 [17885.504099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17885.504099][ T7704] [17895.743021][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17895.743842][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17895.743842][ T7704] netdev_get_by_index+0x5e/0x80 [17895.743842][ T7704] fib6_nh_init+0x3d8/0x15b0 [17895.743842][ T7704] ip6_route_info_create+0xf18/0x17d0 [17895.743842][ T7704] ip6_route_add+0x1c/0x140 [17895.743842][ T7704] addrconf_prefix_route+0x2a6/0x430 [17895.743842][ T7704] inet6_addr_add+0x4f8/0xa40 [17895.743842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17895.743842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17895.743842][ T7704] netlink_rcv_skb+0x130/0x360 [17895.743842][ T7704] netlink_unicast+0x449/0x710 [17895.743842][ T7704] netlink_sendmsg+0x723/0xbe0 [17895.743842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17895.743842][ T7704] ___sys_sendmsg+0xee/0x170 [17895.743842][ T7704] __sys_sendmsg+0xcd/0x170 [17895.743842][ T7704] do_syscall_64+0xc6/0x1e0 [17895.743842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17895.743842][ T7704] [17895.746027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17895.746027][ T7704] netdev_get_by_index+0x5e/0x80 [17895.746027][ T7704] fib6_nh_init+0x3d8/0x15b0 [17895.746027][ T7704] ip6_route_info_create+0xf18/0x17d0 [17895.746027][ T7704] addrconf_f6i_alloc+0x315/0x560 [17895.746027][ T7704] ipv6_add_addr+0x411/0x2000 [17895.746027][ T7704] inet6_addr_add+0x30e/0xa40 [17895.746027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17895.746027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17895.746027][ T7704] netlink_rcv_skb+0x130/0x360 [17895.746027][ T7704] netlink_unicast+0x449/0x710 [17895.746027][ T7704] netlink_sendmsg+0x723/0xbe0 [17895.746027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17895.746027][ T7704] ___sys_sendmsg+0xee/0x170 [17895.746027][ T7704] __sys_sendmsg+0xcd/0x170 [17895.746027][ T7704] do_syscall_64+0xc6/0x1e0 [17895.746027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17895.746027][ T7704] [17895.748138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17895.748138][ T7704] netdev_get_by_index+0x5e/0x80 [17895.748138][ T7704] fib6_nh_init+0x3d8/0x15b0 [17895.748138][ T7704] ip6_route_info_create+0xf18/0x17d0 [17895.748138][ T7704] ip6_route_add+0x1c/0x140 [17895.748138][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17895.748138][ T7704] addrconf_add_dev+0xe2/0x170 [17895.748138][ T7704] inet6_addr_add+0x12f/0xa40 [17895.748138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17895.748138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17895.748138][ T7704] netlink_rcv_skb+0x130/0x360 [17895.748138][ T7704] netlink_unicast+0x449/0x710 [17895.748138][ T7704] netlink_sendmsg+0x723/0xbe0 [17895.748138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17895.748138][ T7704] ___sys_sendmsg+0xee/0x170 [17895.748138][ T7704] __sys_sendmsg+0xcd/0x170 [17895.748138][ T7704] do_syscall_64+0xc6/0x1e0 [17895.748138][ T7704] [17895.750189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17895.750189][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17895.750189][ T7704] ipv6_find_idev+0x102/0x170 [17895.750189][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17895.750189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17895.750189][ T7704] netlink_rcv_skb+0x130/0x360 [17895.750189][ T7704] netlink_unicast+0x449/0x710 [17895.750189][ T7704] netlink_sendmsg+0x723/0xbe0 [17895.750189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17895.750189][ T7704] ___sys_sendmsg+0xee/0x170 [17895.750189][ T7704] __sys_sendmsg+0xcd/0x170 [17895.750189][ T7704] do_syscall_64+0xc6/0x1e0 [17895.750189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17895.750189][ T7704] [17895.751855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17895.751855][ T7704] neigh_parms_alloc+0x1e5/0x510 [17895.751855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17895.751855][ T7704] ipv6_find_idev+0x102/0x170 [17895.751855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17895.751855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17895.751855][ T7704] netlink_rcv_skb+0x130/0x360 [17895.751855][ T7704] netlink_unicast+0x449/0x710 [17895.751855][ T7704] netlink_sendmsg+0x723/0xbe0 [17895.751855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17895.751855][ T7704] ___sys_sendmsg+0xee/0x170 [17895.751855][ T7704] __sys_sendmsg+0xcd/0x170 [17895.751855][ T7704] do_syscall_64+0xc6/0x1e0 [17895.751855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17895.751855][ T7704] [17905.951000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17905.951663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17905.951663][ T7704] netdev_get_by_index+0x5e/0x80 [17905.951663][ T7704] fib6_nh_init+0x3d8/0x15b0 [17905.951663][ T7704] ip6_route_info_create+0xf18/0x17d0 [17905.951663][ T7704] ip6_route_add+0x1c/0x140 [17905.951663][ T7704] addrconf_prefix_route+0x2a6/0x430 [17905.951663][ T7704] inet6_addr_add+0x4f8/0xa40 [17905.951663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17905.951663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17905.951663][ T7704] netlink_rcv_skb+0x130/0x360 [17905.951663][ T7704] netlink_unicast+0x449/0x710 [17905.951663][ T7704] netlink_sendmsg+0x723/0xbe0 [17905.951663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17905.951663][ T7704] ___sys_sendmsg+0xee/0x170 [17905.951663][ T7704] __sys_sendmsg+0xcd/0x170 [17905.951663][ T7704] do_syscall_64+0xc6/0x1e0 [17905.951663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17905.951663][ T7704] [17905.953824][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17905.953824][ T7704] netdev_get_by_index+0x5e/0x80 [17905.953824][ T7704] fib6_nh_init+0x3d8/0x15b0 [17905.953824][ T7704] ip6_route_info_create+0xf18/0x17d0 [17905.953824][ T7704] addrconf_f6i_alloc+0x315/0x560 [17905.953824][ T7704] ipv6_add_addr+0x411/0x2000 [17905.953824][ T7704] inet6_addr_add+0x30e/0xa40 [17905.953824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17905.953824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17905.953824][ T7704] netlink_rcv_skb+0x130/0x360 [17905.953824][ T7704] netlink_unicast+0x449/0x710 [17905.953824][ T7704] netlink_sendmsg+0x723/0xbe0 [17905.953824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17905.953824][ T7704] ___sys_sendmsg+0xee/0x170 [17905.953824][ T7704] __sys_sendmsg+0xcd/0x170 [17905.953824][ T7704] do_syscall_64+0xc6/0x1e0 [17905.953824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17905.953824][ T7704] [17905.955928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17905.955928][ T7704] netdev_get_by_index+0x5e/0x80 [17905.955928][ T7704] fib6_nh_init+0x3d8/0x15b0 [17905.955928][ T7704] ip6_route_info_create+0xf18/0x17d0 [17905.955928][ T7704] ip6_route_add+0x1c/0x140 [17905.955928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17905.955928][ T7704] addrconf_add_dev+0xe2/0x170 [17905.955928][ T7704] inet6_addr_add+0x12f/0xa40 [17905.955928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17905.955928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17905.955928][ T7704] netlink_rcv_skb+0x130/0x360 [17905.955928][ T7704] netlink_unicast+0x449/0x710 [17905.955928][ T7704] netlink_sendmsg+0x723/0xbe0 [17905.955928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17905.955928][ T7704] ___sys_sendmsg+0xee/0x170 [17905.955928][ T7704] __sys_sendmsg+0xcd/0x170 [17905.955928][ T7704] do_syscall_64+0xc6/0x1e0 [17905.955928][ T7704] [17905.958108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17905.958108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17905.958108][ T7704] ipv6_find_idev+0x102/0x170 [17905.958108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17905.958108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17905.958108][ T7704] netlink_rcv_skb+0x130/0x360 [17905.958108][ T7704] netlink_unicast+0x449/0x710 [17905.958108][ T7704] netlink_sendmsg+0x723/0xbe0 [17905.958108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17905.958108][ T7704] ___sys_sendmsg+0xee/0x170 [17905.958108][ T7704] __sys_sendmsg+0xcd/0x170 [17905.958108][ T7704] do_syscall_64+0xc6/0x1e0 [17905.958108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17905.958108][ T7704] [17905.959711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17905.959711][ T7704] neigh_parms_alloc+0x1e5/0x510 [17905.959711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17905.959711][ T7704] ipv6_find_idev+0x102/0x170 [17905.959711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17905.959711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17905.959711][ T7704] netlink_rcv_skb+0x130/0x360 [17905.959711][ T7704] netlink_unicast+0x449/0x710 [17905.959711][ T7704] netlink_sendmsg+0x723/0xbe0 [17905.959711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17905.959711][ T7704] ___sys_sendmsg+0xee/0x170 [17905.959711][ T7704] __sys_sendmsg+0xcd/0x170 [17905.959711][ T7704] do_syscall_64+0xc6/0x1e0 [17905.959711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17905.959711][ T7704] [17916.119026][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17916.119781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17916.119781][ T7704] netdev_get_by_index+0x5e/0x80 [17916.119781][ T7704] fib6_nh_init+0x3d8/0x15b0 [17916.119781][ T7704] ip6_route_info_create+0xf18/0x17d0 [17916.119781][ T7704] ip6_route_add+0x1c/0x140 [17916.119781][ T7704] addrconf_prefix_route+0x2a6/0x430 [17916.119781][ T7704] inet6_addr_add+0x4f8/0xa40 [17916.119781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17916.119781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17916.119781][ T7704] netlink_rcv_skb+0x130/0x360 [17916.119781][ T7704] netlink_unicast+0x449/0x710 [17916.119781][ T7704] netlink_sendmsg+0x723/0xbe0 [17916.119781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17916.119781][ T7704] ___sys_sendmsg+0xee/0x170 [17916.119781][ T7704] __sys_sendmsg+0xcd/0x170 [17916.119781][ T7704] do_syscall_64+0xc6/0x1e0 [17916.119781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17916.119781][ T7704] [17916.121913][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17916.121913][ T7704] netdev_get_by_index+0x5e/0x80 [17916.121913][ T7704] fib6_nh_init+0x3d8/0x15b0 [17916.121913][ T7704] ip6_route_info_create+0xf18/0x17d0 [17916.121913][ T7704] addrconf_f6i_alloc+0x315/0x560 [17916.121913][ T7704] ipv6_add_addr+0x411/0x2000 [17916.121913][ T7704] inet6_addr_add+0x30e/0xa40 [17916.121913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17916.121913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17916.121913][ T7704] netlink_rcv_skb+0x130/0x360 [17916.121913][ T7704] netlink_unicast+0x449/0x710 [17916.121913][ T7704] netlink_sendmsg+0x723/0xbe0 [17916.121913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17916.121913][ T7704] ___sys_sendmsg+0xee/0x170 [17916.121913][ T7704] __sys_sendmsg+0xcd/0x170 [17916.121913][ T7704] do_syscall_64+0xc6/0x1e0 [17916.121913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17916.121913][ T7704] [17916.124065][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17916.124065][ T7704] netdev_get_by_index+0x5e/0x80 [17916.124065][ T7704] fib6_nh_init+0x3d8/0x15b0 [17916.124065][ T7704] ip6_route_info_create+0xf18/0x17d0 [17916.124065][ T7704] ip6_route_add+0x1c/0x140 [17916.124065][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17916.124065][ T7704] addrconf_add_dev+0xe2/0x170 [17916.124065][ T7704] inet6_addr_add+0x12f/0xa40 [17916.124065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17916.124065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17916.124065][ T7704] netlink_rcv_skb+0x130/0x360 [17916.124065][ T7704] netlink_unicast+0x449/0x710 [17916.124065][ T7704] netlink_sendmsg+0x723/0xbe0 [17916.124065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17916.124065][ T7704] ___sys_sendmsg+0xee/0x170 [17916.124065][ T7704] __sys_sendmsg+0xcd/0x170 [17916.124065][ T7704] do_syscall_64+0xc6/0x1e0 [17916.124065][ T7704] [17916.126200][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17916.126200][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17916.126200][ T7704] ipv6_find_idev+0x102/0x170 [17916.126200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17916.126200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17916.126200][ T7704] netlink_rcv_skb+0x130/0x360 [17916.126200][ T7704] netlink_unicast+0x449/0x710 [17916.126200][ T7704] netlink_sendmsg+0x723/0xbe0 [17916.126200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17916.126200][ T7704] ___sys_sendmsg+0xee/0x170 [17916.126200][ T7704] __sys_sendmsg+0xcd/0x170 [17916.126200][ T7704] do_syscall_64+0xc6/0x1e0 [17916.126200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17916.126200][ T7704] [17916.127937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17916.127937][ T7704] neigh_parms_alloc+0x1e5/0x510 [17916.127937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17916.127937][ T7704] ipv6_find_idev+0x102/0x170 [17916.127937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17916.127937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17916.127937][ T7704] netlink_rcv_skb+0x130/0x360 [17916.127937][ T7704] netlink_unicast+0x449/0x710 [17916.127937][ T7704] netlink_sendmsg+0x723/0xbe0 [17916.127937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17916.127937][ T7704] ___sys_sendmsg+0xee/0x170 [17916.127937][ T7704] __sys_sendmsg+0xcd/0x170 [17916.127937][ T7704] do_syscall_64+0xc6/0x1e0 [17916.127937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17916.127937][ T7704] [17926.263025][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17926.263704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17926.263704][ T7704] netdev_get_by_index+0x5e/0x80 [17926.263704][ T7704] fib6_nh_init+0x3d8/0x15b0 [17926.263704][ T7704] ip6_route_info_create+0xf18/0x17d0 [17926.263704][ T7704] ip6_route_add+0x1c/0x140 [17926.263704][ T7704] addrconf_prefix_route+0x2a6/0x430 [17926.263704][ T7704] inet6_addr_add+0x4f8/0xa40 [17926.263704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17926.263704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17926.263704][ T7704] netlink_rcv_skb+0x130/0x360 [17926.263704][ T7704] netlink_unicast+0x449/0x710 [17926.263704][ T7704] netlink_sendmsg+0x723/0xbe0 [17926.263704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17926.263704][ T7704] ___sys_sendmsg+0xee/0x170 [17926.263704][ T7704] __sys_sendmsg+0xcd/0x170 [17926.263704][ T7704] do_syscall_64+0xc6/0x1e0 [17926.263704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17926.263704][ T7704] [17926.265810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17926.265810][ T7704] netdev_get_by_index+0x5e/0x80 [17926.265810][ T7704] fib6_nh_init+0x3d8/0x15b0 [17926.265810][ T7704] ip6_route_info_create+0xf18/0x17d0 [17926.265810][ T7704] addrconf_f6i_alloc+0x315/0x560 [17926.265810][ T7704] ipv6_add_addr+0x411/0x2000 [17926.265810][ T7704] inet6_addr_add+0x30e/0xa40 [17926.265810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17926.265810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17926.265810][ T7704] netlink_rcv_skb+0x130/0x360 [17926.265810][ T7704] netlink_unicast+0x449/0x710 [17926.265810][ T7704] netlink_sendmsg+0x723/0xbe0 [17926.265810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17926.265810][ T7704] ___sys_sendmsg+0xee/0x170 [17926.265810][ T7704] __sys_sendmsg+0xcd/0x170 [17926.265810][ T7704] do_syscall_64+0xc6/0x1e0 [17926.265810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17926.265810][ T7704] [17926.267977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17926.267977][ T7704] netdev_get_by_index+0x5e/0x80 [17926.267977][ T7704] fib6_nh_init+0x3d8/0x15b0 [17926.267977][ T7704] ip6_route_info_create+0xf18/0x17d0 [17926.267977][ T7704] ip6_route_add+0x1c/0x140 [17926.267977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17926.267977][ T7704] addrconf_add_dev+0xe2/0x170 [17926.267977][ T7704] inet6_addr_add+0x12f/0xa40 [17926.267977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17926.267977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17926.267977][ T7704] netlink_rcv_skb+0x130/0x360 [17926.267977][ T7704] netlink_unicast+0x449/0x710 [17926.267977][ T7704] netlink_sendmsg+0x723/0xbe0 [17926.267977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17926.267977][ T7704] ___sys_sendmsg+0xee/0x170 [17926.267977][ T7704] __sys_sendmsg+0xcd/0x170 [17926.267977][ T7704] do_syscall_64+0xc6/0x1e0 [17926.267977][ T7704] [17926.270030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17926.270030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17926.270030][ T7704] ipv6_find_idev+0x102/0x170 [17926.270030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17926.270030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17926.270030][ T7704] netlink_rcv_skb+0x130/0x360 [17926.270030][ T7704] netlink_unicast+0x449/0x710 [17926.270030][ T7704] netlink_sendmsg+0x723/0xbe0 [17926.270030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17926.270030][ T7704] ___sys_sendmsg+0xee/0x170 [17926.270030][ T7704] __sys_sendmsg+0xcd/0x170 [17926.270030][ T7704] do_syscall_64+0xc6/0x1e0 [17926.270030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17926.270030][ T7704] [17926.271664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17926.271664][ T7704] neigh_parms_alloc+0x1e5/0x510 [17926.271664][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17926.271664][ T7704] ipv6_find_idev+0x102/0x170 [17926.271664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17926.271664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17926.271664][ T7704] netlink_rcv_skb+0x130/0x360 [17926.271664][ T7704] netlink_unicast+0x449/0x710 [17926.271664][ T7704] netlink_sendmsg+0x723/0xbe0 [17926.271664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17926.271664][ T7704] ___sys_sendmsg+0xee/0x170 [17926.271664][ T7704] __sys_sendmsg+0xcd/0x170 [17926.271664][ T7704] do_syscall_64+0xc6/0x1e0 [17926.271664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17926.271664][ T7704] [17936.470873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17936.471340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17936.471340][ T7704] netdev_get_by_index+0x5e/0x80 [17936.471340][ T7704] fib6_nh_init+0x3d8/0x15b0 [17936.471340][ T7704] ip6_route_info_create+0xf18/0x17d0 [17936.471340][ T7704] ip6_route_add+0x1c/0x140 [17936.471340][ T7704] addrconf_prefix_route+0x2a6/0x430 [17936.471340][ T7704] inet6_addr_add+0x4f8/0xa40 [17936.471340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17936.471340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17936.471340][ T7704] netlink_rcv_skb+0x130/0x360 [17936.471340][ T7704] netlink_unicast+0x449/0x710 [17936.471340][ T7704] netlink_sendmsg+0x723/0xbe0 [17936.471340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17936.471340][ T7704] ___sys_sendmsg+0xee/0x170 [17936.471340][ T7704] __sys_sendmsg+0xcd/0x170 [17936.471340][ T7704] do_syscall_64+0xc6/0x1e0 [17936.471340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17936.471340][ T7704] [17936.473575][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17936.473575][ T7704] netdev_get_by_index+0x5e/0x80 [17936.473575][ T7704] fib6_nh_init+0x3d8/0x15b0 [17936.473575][ T7704] ip6_route_info_create+0xf18/0x17d0 [17936.473575][ T7704] addrconf_f6i_alloc+0x315/0x560 [17936.473575][ T7704] ipv6_add_addr+0x411/0x2000 [17936.473575][ T7704] inet6_addr_add+0x30e/0xa40 [17936.473575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17936.473575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17936.473575][ T7704] netlink_rcv_skb+0x130/0x360 [17936.473575][ T7704] netlink_unicast+0x449/0x710 [17936.473575][ T7704] netlink_sendmsg+0x723/0xbe0 [17936.473575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17936.473575][ T7704] ___sys_sendmsg+0xee/0x170 [17936.473575][ T7704] __sys_sendmsg+0xcd/0x170 [17936.473575][ T7704] do_syscall_64+0xc6/0x1e0 [17936.473575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17936.473575][ T7704] [17936.475791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17936.475791][ T7704] netdev_get_by_index+0x5e/0x80 [17936.475791][ T7704] fib6_nh_init+0x3d8/0x15b0 [17936.475791][ T7704] ip6_route_info_create+0xf18/0x17d0 [17936.475791][ T7704] ip6_route_add+0x1c/0x140 [17936.475791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17936.475791][ T7704] addrconf_add_dev+0xe2/0x170 [17936.475791][ T7704] inet6_addr_add+0x12f/0xa40 [17936.475791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17936.475791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17936.475791][ T7704] netlink_rcv_skb+0x130/0x360 [17936.475791][ T7704] netlink_unicast+0x449/0x710 [17936.475791][ T7704] netlink_sendmsg+0x723/0xbe0 [17936.475791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17936.475791][ T7704] ___sys_sendmsg+0xee/0x170 [17936.475791][ T7704] __sys_sendmsg+0xcd/0x170 [17936.475791][ T7704] do_syscall_64+0xc6/0x1e0 [17936.475791][ T7704] [17936.478128][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17936.478128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17936.478128][ T7704] ipv6_find_idev+0x102/0x170 [17936.478128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17936.478128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17936.478128][ T7704] netlink_rcv_skb+0x130/0x360 [17936.478128][ T7704] netlink_unicast+0x449/0x710 [17936.478128][ T7704] netlink_sendmsg+0x723/0xbe0 [17936.478128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17936.478128][ T7704] ___sys_sendmsg+0xee/0x170 [17936.478128][ T7704] __sys_sendmsg+0xcd/0x170 [17936.478128][ T7704] do_syscall_64+0xc6/0x1e0 [17936.478128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17936.478128][ T7704] [17936.479841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17936.479841][ T7704] neigh_parms_alloc+0x1e5/0x510 [17936.479841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17936.479841][ T7704] ipv6_find_idev+0x102/0x170 [17936.479841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17936.479841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17936.479841][ T7704] netlink_rcv_skb+0x130/0x360 [17936.479841][ T7704] netlink_unicast+0x449/0x710 [17936.479841][ T7704] netlink_sendmsg+0x723/0xbe0 [17936.479841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17936.479841][ T7704] ___sys_sendmsg+0xee/0x170 [17936.479841][ T7704] __sys_sendmsg+0xcd/0x170 [17936.479841][ T7704] do_syscall_64+0xc6/0x1e0 [17936.479841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17936.479841][ T7704] [17946.718884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17946.719347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17946.719347][ T7704] netdev_get_by_index+0x5e/0x80 [17946.719347][ T7704] fib6_nh_init+0x3d8/0x15b0 [17946.719347][ T7704] ip6_route_info_create+0xf18/0x17d0 [17946.719347][ T7704] ip6_route_add+0x1c/0x140 [17946.719347][ T7704] addrconf_prefix_route+0x2a6/0x430 [17946.719347][ T7704] inet6_addr_add+0x4f8/0xa40 [17946.719347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17946.719347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17946.719347][ T7704] netlink_rcv_skb+0x130/0x360 [17946.719347][ T7704] netlink_unicast+0x449/0x710 [17946.719347][ T7704] netlink_sendmsg+0x723/0xbe0 [17946.719347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17946.719347][ T7704] ___sys_sendmsg+0xee/0x170 [17946.719347][ T7704] __sys_sendmsg+0xcd/0x170 [17946.719347][ T7704] do_syscall_64+0xc6/0x1e0 [17946.719347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17946.719347][ T7704] [17946.721809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17946.721809][ T7704] netdev_get_by_index+0x5e/0x80 [17946.721809][ T7704] fib6_nh_init+0x3d8/0x15b0 [17946.721809][ T7704] ip6_route_info_create+0xf18/0x17d0 [17946.721809][ T7704] addrconf_f6i_alloc+0x315/0x560 [17946.721809][ T7704] ipv6_add_addr+0x411/0x2000 [17946.721809][ T7704] inet6_addr_add+0x30e/0xa40 [17946.721809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17946.721809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17946.721809][ T7704] netlink_rcv_skb+0x130/0x360 [17946.721809][ T7704] netlink_unicast+0x449/0x710 [17946.721809][ T7704] netlink_sendmsg+0x723/0xbe0 [17946.721809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17946.721809][ T7704] ___sys_sendmsg+0xee/0x170 [17946.721809][ T7704] __sys_sendmsg+0xcd/0x170 [17946.721809][ T7704] do_syscall_64+0xc6/0x1e0 [17946.721809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17946.721809][ T7704] [17946.724253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17946.724253][ T7704] netdev_get_by_index+0x5e/0x80 [17946.724253][ T7704] fib6_nh_init+0x3d8/0x15b0 [17946.724253][ T7704] ip6_route_info_create+0xf18/0x17d0 [17946.724253][ T7704] ip6_route_add+0x1c/0x140 [17946.724253][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17946.724253][ T7704] addrconf_add_dev+0xe2/0x170 [17946.724253][ T7704] inet6_addr_add+0x12f/0xa40 [17946.724253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17946.724253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17946.724253][ T7704] netlink_rcv_skb+0x130/0x360 [17946.724253][ T7704] netlink_unicast+0x449/0x710 [17946.724253][ T7704] netlink_sendmsg+0x723/0xbe0 [17946.724253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17946.724253][ T7704] ___sys_sendmsg+0xee/0x170 [17946.724253][ T7704] __sys_sendmsg+0xcd/0x170 [17946.724253][ T7704] do_syscall_64+0xc6/0x1e0 [17946.724253][ T7704] [17946.726684][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17946.726684][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17946.726684][ T7704] ipv6_find_idev+0x102/0x170 [17946.726684][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17946.726684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17946.726684][ T7704] netlink_rcv_skb+0x130/0x360 [17946.726684][ T7704] netlink_unicast+0x449/0x710 [17946.726684][ T7704] netlink_sendmsg+0x723/0xbe0 [17946.726684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17946.726684][ T7704] ___sys_sendmsg+0xee/0x170 [17946.726684][ T7704] __sys_sendmsg+0xcd/0x170 [17946.726684][ T7704] do_syscall_64+0xc6/0x1e0 [17946.726684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17946.726684][ T7704] [17946.728578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17946.728578][ T7704] neigh_parms_alloc+0x1e5/0x510 [17946.728578][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17946.728578][ T7704] ipv6_find_idev+0x102/0x170 [17946.728578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17946.728578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17946.728578][ T7704] netlink_rcv_skb+0x130/0x360 [17946.728578][ T7704] netlink_unicast+0x449/0x710 [17946.728578][ T7704] netlink_sendmsg+0x723/0xbe0 [17946.728578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17946.728578][ T7704] ___sys_sendmsg+0xee/0x170 [17946.728578][ T7704] __sys_sendmsg+0xcd/0x170 [17946.728578][ T7704] do_syscall_64+0xc6/0x1e0 [17946.728578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17946.728578][ T7704] [17956.966908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17956.967356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17956.967356][ T7704] netdev_get_by_index+0x5e/0x80 [17956.967356][ T7704] fib6_nh_init+0x3d8/0x15b0 [17956.967356][ T7704] ip6_route_info_create+0xf18/0x17d0 [17956.967356][ T7704] ip6_route_add+0x1c/0x140 [17956.967356][ T7704] addrconf_prefix_route+0x2a6/0x430 [17956.967356][ T7704] inet6_addr_add+0x4f8/0xa40 [17956.967356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17956.967356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17956.967356][ T7704] netlink_rcv_skb+0x130/0x360 [17956.967356][ T7704] netlink_unicast+0x449/0x710 [17956.967356][ T7704] netlink_sendmsg+0x723/0xbe0 [17956.967356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17956.967356][ T7704] ___sys_sendmsg+0xee/0x170 [17956.967356][ T7704] __sys_sendmsg+0xcd/0x170 [17956.967356][ T7704] do_syscall_64+0xc6/0x1e0 [17956.967356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17956.967356][ T7704] [17956.969658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17956.969658][ T7704] netdev_get_by_index+0x5e/0x80 [17956.969658][ T7704] fib6_nh_init+0x3d8/0x15b0 [17956.969658][ T7704] ip6_route_info_create+0xf18/0x17d0 [17956.969658][ T7704] addrconf_f6i_alloc+0x315/0x560 [17956.969658][ T7704] ipv6_add_addr+0x411/0x2000 [17956.969658][ T7704] inet6_addr_add+0x30e/0xa40 [17956.969658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17956.969658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17956.969658][ T7704] netlink_rcv_skb+0x130/0x360 [17956.969658][ T7704] netlink_unicast+0x449/0x710 [17956.969658][ T7704] netlink_sendmsg+0x723/0xbe0 [17956.969658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17956.969658][ T7704] ___sys_sendmsg+0xee/0x170 [17956.969658][ T7704] __sys_sendmsg+0xcd/0x170 [17956.969658][ T7704] do_syscall_64+0xc6/0x1e0 [17956.969658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17956.969658][ T7704] [17956.972443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17956.972443][ T7704] netdev_get_by_index+0x5e/0x80 [17956.972443][ T7704] fib6_nh_init+0x3d8/0x15b0 [17956.972443][ T7704] ip6_route_info_create+0xf18/0x17d0 [17956.972443][ T7704] ip6_route_add+0x1c/0x140 [17956.972443][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17956.972443][ T7704] addrconf_add_dev+0xe2/0x170 [17956.972443][ T7704] inet6_addr_add+0x12f/0xa40 [17956.972443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17956.972443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17956.972443][ T7704] netlink_rcv_skb+0x130/0x360 [17956.972443][ T7704] netlink_unicast+0x449/0x710 [17956.972443][ T7704] netlink_sendmsg+0x723/0xbe0 [17956.972443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17956.972443][ T7704] ___sys_sendmsg+0xee/0x170 [17956.972443][ T7704] __sys_sendmsg+0xcd/0x170 [17956.972443][ T7704] do_syscall_64+0xc6/0x1e0 [17956.972443][ T7704] [17956.974651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17956.974651][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17956.974651][ T7704] ipv6_find_idev+0x102/0x170 [17956.974651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17956.974651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17956.974651][ T7704] netlink_rcv_skb+0x130/0x360 [17956.974651][ T7704] netlink_unicast+0x449/0x710 [17956.974651][ T7704] netlink_sendmsg+0x723/0xbe0 [17956.974651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17956.974651][ T7704] ___sys_sendmsg+0xee/0x170 [17956.974651][ T7704] __sys_sendmsg+0xcd/0x170 [17956.974651][ T7704] do_syscall_64+0xc6/0x1e0 [17956.974651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17956.974651][ T7704] [17956.976439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17956.976439][ T7704] neigh_parms_alloc+0x1e5/0x510 [17956.976439][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17956.976439][ T7704] ipv6_find_idev+0x102/0x170 [17956.976439][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17956.976439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17956.976439][ T7704] netlink_rcv_skb+0x130/0x360 [17956.976439][ T7704] netlink_unicast+0x449/0x710 [17956.976439][ T7704] netlink_sendmsg+0x723/0xbe0 [17956.976439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17956.976439][ T7704] ___sys_sendmsg+0xee/0x170 [17956.976439][ T7704] __sys_sendmsg+0xcd/0x170 [17956.976439][ T7704] do_syscall_64+0xc6/0x1e0 [17956.976439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17956.976439][ T7704] [17967.214878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17967.215292][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17967.215292][ T7704] netdev_get_by_index+0x5e/0x80 [17967.215292][ T7704] fib6_nh_init+0x3d8/0x15b0 [17967.215292][ T7704] ip6_route_info_create+0xf18/0x17d0 [17967.215292][ T7704] ip6_route_add+0x1c/0x140 [17967.215292][ T7704] addrconf_prefix_route+0x2a6/0x430 [17967.215292][ T7704] inet6_addr_add+0x4f8/0xa40 [17967.215292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17967.215292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17967.215292][ T7704] netlink_rcv_skb+0x130/0x360 [17967.215292][ T7704] netlink_unicast+0x449/0x710 [17967.215292][ T7704] netlink_sendmsg+0x723/0xbe0 [17967.215292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17967.215292][ T7704] ___sys_sendmsg+0xee/0x170 [17967.215292][ T7704] __sys_sendmsg+0xcd/0x170 [17967.215292][ T7704] do_syscall_64+0xc6/0x1e0 [17967.215292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17967.215292][ T7704] [17967.217614][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17967.217614][ T7704] netdev_get_by_index+0x5e/0x80 [17967.217614][ T7704] fib6_nh_init+0x3d8/0x15b0 [17967.217614][ T7704] ip6_route_info_create+0xf18/0x17d0 [17967.217614][ T7704] addrconf_f6i_alloc+0x315/0x560 [17967.217614][ T7704] ipv6_add_addr+0x411/0x2000 [17967.217614][ T7704] inet6_addr_add+0x30e/0xa40 [17967.217614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17967.217614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17967.217614][ T7704] netlink_rcv_skb+0x130/0x360 [17967.217614][ T7704] netlink_unicast+0x449/0x710 [17967.217614][ T7704] netlink_sendmsg+0x723/0xbe0 [17967.217614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17967.217614][ T7704] ___sys_sendmsg+0xee/0x170 [17967.217614][ T7704] __sys_sendmsg+0xcd/0x170 [17967.217614][ T7704] do_syscall_64+0xc6/0x1e0 [17967.217614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17967.217614][ T7704] [17967.219835][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17967.219835][ T7704] netdev_get_by_index+0x5e/0x80 [17967.219835][ T7704] fib6_nh_init+0x3d8/0x15b0 [17967.219835][ T7704] ip6_route_info_create+0xf18/0x17d0 [17967.219835][ T7704] ip6_route_add+0x1c/0x140 [17967.219835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17967.219835][ T7704] addrconf_add_dev+0xe2/0x170 [17967.219835][ T7704] inet6_addr_add+0x12f/0xa40 [17967.219835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17967.219835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17967.219835][ T7704] netlink_rcv_skb+0x130/0x360 [17967.219835][ T7704] netlink_unicast+0x449/0x710 [17967.219835][ T7704] netlink_sendmsg+0x723/0xbe0 [17967.219835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17967.219835][ T7704] ___sys_sendmsg+0xee/0x170 [17967.219835][ T7704] __sys_sendmsg+0xcd/0x170 [17967.219835][ T7704] do_syscall_64+0xc6/0x1e0 [17967.219835][ T7704] [17967.222015][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17967.222015][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17967.222015][ T7704] ipv6_find_idev+0x102/0x170 [17967.222015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17967.222015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17967.222015][ T7704] netlink_rcv_skb+0x130/0x360 [17967.222015][ T7704] netlink_unicast+0x449/0x710 [17967.222015][ T7704] netlink_sendmsg+0x723/0xbe0 [17967.222015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17967.222015][ T7704] ___sys_sendmsg+0xee/0x170 [17967.222015][ T7704] __sys_sendmsg+0xcd/0x170 [17967.222015][ T7704] do_syscall_64+0xc6/0x1e0 [17967.222015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17967.222015][ T7704] [17967.223723][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17967.223723][ T7704] neigh_parms_alloc+0x1e5/0x510 [17967.223723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17967.223723][ T7704] ipv6_find_idev+0x102/0x170 [17967.223723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17967.223723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17967.223723][ T7704] netlink_rcv_skb+0x130/0x360 [17967.223723][ T7704] netlink_unicast+0x449/0x710 [17967.223723][ T7704] netlink_sendmsg+0x723/0xbe0 [17967.223723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17967.223723][ T7704] ___sys_sendmsg+0xee/0x170 [17967.223723][ T7704] __sys_sendmsg+0xcd/0x170 [17967.223723][ T7704] do_syscall_64+0xc6/0x1e0 [17967.223723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17967.223723][ T7704] [17977.462880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17977.463380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17977.463380][ T7704] netdev_get_by_index+0x5e/0x80 [17977.463380][ T7704] fib6_nh_init+0x3d8/0x15b0 [17977.463380][ T7704] ip6_route_info_create+0xf18/0x17d0 [17977.463380][ T7704] ip6_route_add+0x1c/0x140 [17977.463380][ T7704] addrconf_prefix_route+0x2a6/0x430 [17977.463380][ T7704] inet6_addr_add+0x4f8/0xa40 [17977.463380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17977.463380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17977.463380][ T7704] netlink_rcv_skb+0x130/0x360 [17977.463380][ T7704] netlink_unicast+0x449/0x710 [17977.463380][ T7704] netlink_sendmsg+0x723/0xbe0 [17977.463380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17977.463380][ T7704] ___sys_sendmsg+0xee/0x170 [17977.463380][ T7704] __sys_sendmsg+0xcd/0x170 [17977.463380][ T7704] do_syscall_64+0xc6/0x1e0 [17977.463380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17977.463380][ T7704] [17977.465746][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17977.465746][ T7704] netdev_get_by_index+0x5e/0x80 [17977.465746][ T7704] fib6_nh_init+0x3d8/0x15b0 [17977.465746][ T7704] ip6_route_info_create+0xf18/0x17d0 [17977.465746][ T7704] addrconf_f6i_alloc+0x315/0x560 [17977.465746][ T7704] ipv6_add_addr+0x411/0x2000 [17977.465746][ T7704] inet6_addr_add+0x30e/0xa40 [17977.465746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17977.465746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17977.465746][ T7704] netlink_rcv_skb+0x130/0x360 [17977.465746][ T7704] netlink_unicast+0x449/0x710 [17977.465746][ T7704] netlink_sendmsg+0x723/0xbe0 [17977.465746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17977.465746][ T7704] ___sys_sendmsg+0xee/0x170 [17977.465746][ T7704] __sys_sendmsg+0xcd/0x170 [17977.465746][ T7704] do_syscall_64+0xc6/0x1e0 [17977.465746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17977.465746][ T7704] [17977.467989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17977.467989][ T7704] netdev_get_by_index+0x5e/0x80 [17977.467989][ T7704] fib6_nh_init+0x3d8/0x15b0 [17977.467989][ T7704] ip6_route_info_create+0xf18/0x17d0 [17977.467989][ T7704] ip6_route_add+0x1c/0x140 [17977.467989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17977.467989][ T7704] addrconf_add_dev+0xe2/0x170 [17977.467989][ T7704] inet6_addr_add+0x12f/0xa40 [17977.467989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17977.467989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17977.467989][ T7704] netlink_rcv_skb+0x130/0x360 [17977.467989][ T7704] netlink_unicast+0x449/0x710 [17977.467989][ T7704] netlink_sendmsg+0x723/0xbe0 [17977.467989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17977.467989][ T7704] ___sys_sendmsg+0xee/0x170 [17977.467989][ T7704] __sys_sendmsg+0xcd/0x170 [17977.467989][ T7704] do_syscall_64+0xc6/0x1e0 [17977.467989][ T7704] [17977.470271][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17977.470271][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17977.470271][ T7704] ipv6_find_idev+0x102/0x170 [17977.470271][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17977.470271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17977.470271][ T7704] netlink_rcv_skb+0x130/0x360 [17977.470271][ T7704] netlink_unicast+0x449/0x710 [17977.470271][ T7704] netlink_sendmsg+0x723/0xbe0 [17977.470271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17977.470271][ T7704] ___sys_sendmsg+0xee/0x170 [17977.470271][ T7704] __sys_sendmsg+0xcd/0x170 [17977.470271][ T7704] do_syscall_64+0xc6/0x1e0 [17977.470271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17977.470271][ T7704] [17977.472206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17977.472206][ T7704] neigh_parms_alloc+0x1e5/0x510 [17977.472206][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17977.472206][ T7704] ipv6_find_idev+0x102/0x170 [17977.472206][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17977.472206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17977.472206][ T7704] netlink_rcv_skb+0x130/0x360 [17977.472206][ T7704] netlink_unicast+0x449/0x710 [17977.472206][ T7704] netlink_sendmsg+0x723/0xbe0 [17977.472206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17977.472206][ T7704] ___sys_sendmsg+0xee/0x170 [17977.472206][ T7704] __sys_sendmsg+0xcd/0x170 [17977.472206][ T7704] do_syscall_64+0xc6/0x1e0 [17977.472206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17977.472206][ T7704] [17987.710906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17987.711411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17987.711411][ T7704] netdev_get_by_index+0x5e/0x80 [17987.711411][ T7704] fib6_nh_init+0x3d8/0x15b0 [17987.711411][ T7704] ip6_route_info_create+0xf18/0x17d0 [17987.711411][ T7704] ip6_route_add+0x1c/0x140 [17987.711411][ T7704] addrconf_prefix_route+0x2a6/0x430 [17987.711411][ T7704] inet6_addr_add+0x4f8/0xa40 [17987.711411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17987.711411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17987.711411][ T7704] netlink_rcv_skb+0x130/0x360 [17987.711411][ T7704] netlink_unicast+0x449/0x710 [17987.711411][ T7704] netlink_sendmsg+0x723/0xbe0 [17987.711411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17987.711411][ T7704] ___sys_sendmsg+0xee/0x170 [17987.711411][ T7704] __sys_sendmsg+0xcd/0x170 [17987.711411][ T7704] do_syscall_64+0xc6/0x1e0 [17987.711411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17987.711411][ T7704] [17987.713823][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17987.713823][ T7704] netdev_get_by_index+0x5e/0x80 [17987.713823][ T7704] fib6_nh_init+0x3d8/0x15b0 [17987.713823][ T7704] ip6_route_info_create+0xf18/0x17d0 [17987.713823][ T7704] addrconf_f6i_alloc+0x315/0x560 [17987.713823][ T7704] ipv6_add_addr+0x411/0x2000 [17987.713823][ T7704] inet6_addr_add+0x30e/0xa40 [17987.713823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17987.713823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17987.713823][ T7704] netlink_rcv_skb+0x130/0x360 [17987.713823][ T7704] netlink_unicast+0x449/0x710 [17987.713823][ T7704] netlink_sendmsg+0x723/0xbe0 [17987.713823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17987.713823][ T7704] ___sys_sendmsg+0xee/0x170 [17987.713823][ T7704] __sys_sendmsg+0xcd/0x170 [17987.713823][ T7704] do_syscall_64+0xc6/0x1e0 [17987.713823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17987.713823][ T7704] [17987.716160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17987.716160][ T7704] netdev_get_by_index+0x5e/0x80 [17987.716160][ T7704] fib6_nh_init+0x3d8/0x15b0 [17987.716160][ T7704] ip6_route_info_create+0xf18/0x17d0 [17987.716160][ T7704] ip6_route_add+0x1c/0x140 [17987.716160][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17987.716160][ T7704] addrconf_add_dev+0xe2/0x170 [17987.716160][ T7704] inet6_addr_add+0x12f/0xa40 [17987.716160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17987.716160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17987.716160][ T7704] netlink_rcv_skb+0x130/0x360 [17987.716160][ T7704] netlink_unicast+0x449/0x710 [17987.716160][ T7704] netlink_sendmsg+0x723/0xbe0 [17987.716160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17987.716160][ T7704] ___sys_sendmsg+0xee/0x170 [17987.716160][ T7704] __sys_sendmsg+0xcd/0x170 [17987.716160][ T7704] do_syscall_64+0xc6/0x1e0 [17987.716160][ T7704] [17987.718510][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17987.718510][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17987.718510][ T7704] ipv6_find_idev+0x102/0x170 [17987.718510][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17987.718510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17987.718510][ T7704] netlink_rcv_skb+0x130/0x360 [17987.718510][ T7704] netlink_unicast+0x449/0x710 [17987.718510][ T7704] netlink_sendmsg+0x723/0xbe0 [17987.718510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17987.718510][ T7704] ___sys_sendmsg+0xee/0x170 [17987.718510][ T7704] __sys_sendmsg+0xcd/0x170 [17987.718510][ T7704] do_syscall_64+0xc6/0x1e0 [17987.718510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17987.718510][ T7704] [17987.720297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17987.720297][ T7704] neigh_parms_alloc+0x1e5/0x510 [17987.720297][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17987.720297][ T7704] ipv6_find_idev+0x102/0x170 [17987.720297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17987.720297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17987.720297][ T7704] netlink_rcv_skb+0x130/0x360 [17987.720297][ T7704] netlink_unicast+0x449/0x710 [17987.720297][ T7704] netlink_sendmsg+0x723/0xbe0 [17987.720297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17987.720297][ T7704] ___sys_sendmsg+0xee/0x170 [17987.720297][ T7704] __sys_sendmsg+0xcd/0x170 [17987.720297][ T7704] do_syscall_64+0xc6/0x1e0 [17987.720297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17987.720297][ T7704] [17997.958886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17997.959347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17997.959347][ T7704] netdev_get_by_index+0x5e/0x80 [17997.959347][ T7704] fib6_nh_init+0x3d8/0x15b0 [17997.959347][ T7704] ip6_route_info_create+0xf18/0x17d0 [17997.959347][ T7704] ip6_route_add+0x1c/0x140 [17997.959347][ T7704] addrconf_prefix_route+0x2a6/0x430 [17997.959347][ T7704] inet6_addr_add+0x4f8/0xa40 [17997.959347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17997.959347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17997.959347][ T7704] netlink_rcv_skb+0x130/0x360 [17997.959347][ T7704] netlink_unicast+0x449/0x710 [17997.959347][ T7704] netlink_sendmsg+0x723/0xbe0 [17997.959347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17997.959347][ T7704] ___sys_sendmsg+0xee/0x170 [17997.959347][ T7704] __sys_sendmsg+0xcd/0x170 [17997.959347][ T7704] do_syscall_64+0xc6/0x1e0 [17997.959347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17997.959347][ T7704] [17997.961807][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17997.961807][ T7704] netdev_get_by_index+0x5e/0x80 [17997.961807][ T7704] fib6_nh_init+0x3d8/0x15b0 [17997.961807][ T7704] ip6_route_info_create+0xf18/0x17d0 [17997.961807][ T7704] addrconf_f6i_alloc+0x315/0x560 [17997.961807][ T7704] ipv6_add_addr+0x411/0x2000 [17997.961807][ T7704] inet6_addr_add+0x30e/0xa40 [17997.961807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17997.961807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17997.961807][ T7704] netlink_rcv_skb+0x130/0x360 [17997.961807][ T7704] netlink_unicast+0x449/0x710 [17997.961807][ T7704] netlink_sendmsg+0x723/0xbe0 [17997.961807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17997.961807][ T7704] ___sys_sendmsg+0xee/0x170 [17997.961807][ T7704] __sys_sendmsg+0xcd/0x170 [17997.961807][ T7704] do_syscall_64+0xc6/0x1e0 [17997.961807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17997.961807][ T7704] [17997.964265][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17997.964265][ T7704] netdev_get_by_index+0x5e/0x80 [17997.964265][ T7704] fib6_nh_init+0x3d8/0x15b0 [17997.964265][ T7704] ip6_route_info_create+0xf18/0x17d0 [17997.964265][ T7704] ip6_route_add+0x1c/0x140 [17997.964265][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17997.964265][ T7704] addrconf_add_dev+0xe2/0x170 [17997.964265][ T7704] inet6_addr_add+0x12f/0xa40 [17997.964265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17997.964265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17997.964265][ T7704] netlink_rcv_skb+0x130/0x360 [17997.964265][ T7704] netlink_unicast+0x449/0x710 [17997.964265][ T7704] netlink_sendmsg+0x723/0xbe0 [17997.964265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17997.964265][ T7704] ___sys_sendmsg+0xee/0x170 [17997.964265][ T7704] __sys_sendmsg+0xcd/0x170 [17997.964265][ T7704] do_syscall_64+0xc6/0x1e0 [17997.964265][ T7704] [17997.966849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17997.966849][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17997.966849][ T7704] ipv6_find_idev+0x102/0x170 [17997.966849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17997.966849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17997.966849][ T7704] netlink_rcv_skb+0x130/0x360 [17997.966849][ T7704] netlink_unicast+0x449/0x710 [17997.966849][ T7704] netlink_sendmsg+0x723/0xbe0 [17997.966849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17997.966849][ T7704] ___sys_sendmsg+0xee/0x170 [17997.966849][ T7704] __sys_sendmsg+0xcd/0x170 [17997.966849][ T7704] do_syscall_64+0xc6/0x1e0 [17997.966849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17997.966849][ T7704] [17997.968917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [17997.968917][ T7704] neigh_parms_alloc+0x1e5/0x510 [17997.968917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17997.968917][ T7704] ipv6_find_idev+0x102/0x170 [17997.968917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17997.968917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17997.968917][ T7704] netlink_rcv_skb+0x130/0x360 [17997.968917][ T7704] netlink_unicast+0x449/0x710 [17997.968917][ T7704] netlink_sendmsg+0x723/0xbe0 [17997.968917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17997.968917][ T7704] ___sys_sendmsg+0xee/0x170 [17997.968917][ T7704] __sys_sendmsg+0xcd/0x170 [17997.968917][ T7704] do_syscall_64+0xc6/0x1e0 [17997.968917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17997.968917][ T7704] [18008.158935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18008.159373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18008.159373][ T7704] netdev_get_by_index+0x5e/0x80 [18008.159373][ T7704] fib6_nh_init+0x3d8/0x15b0 [18008.159373][ T7704] ip6_route_info_create+0xf18/0x17d0 [18008.159373][ T7704] ip6_route_add+0x1c/0x140 [18008.159373][ T7704] addrconf_prefix_route+0x2a6/0x430 [18008.159373][ T7704] inet6_addr_add+0x4f8/0xa40 [18008.159373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18008.159373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18008.159373][ T7704] netlink_rcv_skb+0x130/0x360 [18008.159373][ T7704] netlink_unicast+0x449/0x710 [18008.159373][ T7704] netlink_sendmsg+0x723/0xbe0 [18008.159373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18008.159373][ T7704] ___sys_sendmsg+0xee/0x170 [18008.159373][ T7704] __sys_sendmsg+0xcd/0x170 [18008.159373][ T7704] do_syscall_64+0xc6/0x1e0 [18008.159373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18008.159373][ T7704] [18008.162072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18008.162072][ T7704] netdev_get_by_index+0x5e/0x80 [18008.162072][ T7704] fib6_nh_init+0x3d8/0x15b0 [18008.162072][ T7704] ip6_route_info_create+0xf18/0x17d0 [18008.162072][ T7704] addrconf_f6i_alloc+0x315/0x560 [18008.162072][ T7704] ipv6_add_addr+0x411/0x2000 [18008.162072][ T7704] inet6_addr_add+0x30e/0xa40 [18008.162072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18008.162072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18008.162072][ T7704] netlink_rcv_skb+0x130/0x360 [18008.162072][ T7704] netlink_unicast+0x449/0x710 [18008.162072][ T7704] netlink_sendmsg+0x723/0xbe0 [18008.162072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18008.162072][ T7704] ___sys_sendmsg+0xee/0x170 [18008.162072][ T7704] __sys_sendmsg+0xcd/0x170 [18008.162072][ T7704] do_syscall_64+0xc6/0x1e0 [18008.162072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18008.162072][ T7704] [18008.164305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18008.164305][ T7704] netdev_get_by_index+0x5e/0x80 [18008.164305][ T7704] fib6_nh_init+0x3d8/0x15b0 [18008.164305][ T7704] ip6_route_info_create+0xf18/0x17d0 [18008.164305][ T7704] ip6_route_add+0x1c/0x140 [18008.164305][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18008.164305][ T7704] addrconf_add_dev+0xe2/0x170 [18008.164305][ T7704] inet6_addr_add+0x12f/0xa40 [18008.164305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18008.164305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18008.164305][ T7704] netlink_rcv_skb+0x130/0x360 [18008.164305][ T7704] netlink_unicast+0x449/0x710 [18008.164305][ T7704] netlink_sendmsg+0x723/0xbe0 [18008.164305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18008.164305][ T7704] ___sys_sendmsg+0xee/0x170 [18008.164305][ T7704] __sys_sendmsg+0xcd/0x170 [18008.164305][ T7704] do_syscall_64+0xc6/0x1e0 [18008.164305][ T7704] [18008.166433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18008.166433][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18008.166433][ T7704] ipv6_find_idev+0x102/0x170 [18008.166433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18008.166433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18008.166433][ T7704] netlink_rcv_skb+0x130/0x360 [18008.166433][ T7704] netlink_unicast+0x449/0x710 [18008.166433][ T7704] netlink_sendmsg+0x723/0xbe0 [18008.166433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18008.166433][ T7704] ___sys_sendmsg+0xee/0x170 [18008.166433][ T7704] __sys_sendmsg+0xcd/0x170 [18008.166433][ T7704] do_syscall_64+0xc6/0x1e0 [18008.166433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18008.166433][ T7704] [18008.168089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18008.168089][ T7704] neigh_parms_alloc+0x1e5/0x510 [18008.168089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18008.168089][ T7704] ipv6_find_idev+0x102/0x170 [18008.168089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18008.168089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18008.168089][ T7704] netlink_rcv_skb+0x130/0x360 [18008.168089][ T7704] netlink_unicast+0x449/0x710 [18008.168089][ T7704] netlink_sendmsg+0x723/0xbe0 [18008.168089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18008.168089][ T7704] ___sys_sendmsg+0xee/0x170 [18008.168089][ T7704] __sys_sendmsg+0xcd/0x170 [18008.168089][ T7704] do_syscall_64+0xc6/0x1e0 [18008.168089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18008.168089][ T7704] [18018.262972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18018.263472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18018.263472][ T7704] netdev_get_by_index+0x5e/0x80 [18018.263472][ T7704] fib6_nh_init+0x3d8/0x15b0 [18018.263472][ T7704] ip6_route_info_create+0xf18/0x17d0 [18018.263472][ T7704] ip6_route_add+0x1c/0x140 [18018.263472][ T7704] addrconf_prefix_route+0x2a6/0x430 [18018.263472][ T7704] inet6_addr_add+0x4f8/0xa40 [18018.263472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18018.263472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18018.263472][ T7704] netlink_rcv_skb+0x130/0x360 [18018.263472][ T7704] netlink_unicast+0x449/0x710 [18018.263472][ T7704] netlink_sendmsg+0x723/0xbe0 [18018.263472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18018.263472][ T7704] ___sys_sendmsg+0xee/0x170 [18018.263472][ T7704] __sys_sendmsg+0xcd/0x170 [18018.263472][ T7704] do_syscall_64+0xc6/0x1e0 [18018.263472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18018.263472][ T7704] [18018.265728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18018.265728][ T7704] netdev_get_by_index+0x5e/0x80 [18018.265728][ T7704] fib6_nh_init+0x3d8/0x15b0 [18018.265728][ T7704] ip6_route_info_create+0xf18/0x17d0 [18018.265728][ T7704] addrconf_f6i_alloc+0x315/0x560 [18018.265728][ T7704] ipv6_add_addr+0x411/0x2000 [18018.265728][ T7704] inet6_addr_add+0x30e/0xa40 [18018.265728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18018.265728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18018.265728][ T7704] netlink_rcv_skb+0x130/0x360 [18018.265728][ T7704] netlink_unicast+0x449/0x710 [18018.265728][ T7704] netlink_sendmsg+0x723/0xbe0 [18018.265728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18018.265728][ T7704] ___sys_sendmsg+0xee/0x170 [18018.265728][ T7704] __sys_sendmsg+0xcd/0x170 [18018.265728][ T7704] do_syscall_64+0xc6/0x1e0 [18018.265728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18018.265728][ T7704] [18018.267977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18018.267977][ T7704] netdev_get_by_index+0x5e/0x80 [18018.267977][ T7704] fib6_nh_init+0x3d8/0x15b0 [18018.267977][ T7704] ip6_route_info_create+0xf18/0x17d0 [18018.267977][ T7704] ip6_route_add+0x1c/0x140 [18018.267977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18018.267977][ T7704] addrconf_add_dev+0xe2/0x170 [18018.267977][ T7704] inet6_addr_add+0x12f/0xa40 [18018.267977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18018.267977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18018.267977][ T7704] netlink_rcv_skb+0x130/0x360 [18018.267977][ T7704] netlink_unicast+0x449/0x710 [18018.267977][ T7704] netlink_sendmsg+0x723/0xbe0 [18018.267977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18018.267977][ T7704] ___sys_sendmsg+0xee/0x170 [18018.267977][ T7704] __sys_sendmsg+0xcd/0x170 [18018.267977][ T7704] do_syscall_64+0xc6/0x1e0 [18018.267977][ T7704] [18018.270177][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18018.270177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18018.270177][ T7704] ipv6_find_idev+0x102/0x170 [18018.270177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18018.270177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18018.270177][ T7704] netlink_rcv_skb+0x130/0x360 [18018.270177][ T7704] netlink_unicast+0x449/0x710 [18018.270177][ T7704] netlink_sendmsg+0x723/0xbe0 [18018.270177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18018.270177][ T7704] ___sys_sendmsg+0xee/0x170 [18018.270177][ T7704] __sys_sendmsg+0xcd/0x170 [18018.270177][ T7704] do_syscall_64+0xc6/0x1e0 [18018.270177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18018.270177][ T7704] [18018.271893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18018.271893][ T7704] neigh_parms_alloc+0x1e5/0x510 [18018.271893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18018.271893][ T7704] ipv6_find_idev+0x102/0x170 [18018.271893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18018.271893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18018.271893][ T7704] netlink_rcv_skb+0x130/0x360 [18018.271893][ T7704] netlink_unicast+0x449/0x710 [18018.271893][ T7704] netlink_sendmsg+0x723/0xbe0 [18018.271893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18018.271893][ T7704] ___sys_sendmsg+0xee/0x170 [18018.271893][ T7704] __sys_sendmsg+0xcd/0x170 [18018.271893][ T7704] do_syscall_64+0xc6/0x1e0 [18018.271893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18018.271893][ T7704] [18028.518937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18028.519441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18028.519441][ T7704] netdev_get_by_index+0x5e/0x80 [18028.519441][ T7704] fib6_nh_init+0x3d8/0x15b0 [18028.519441][ T7704] ip6_route_info_create+0xf18/0x17d0 [18028.519441][ T7704] ip6_route_add+0x1c/0x140 [18028.519441][ T7704] addrconf_prefix_route+0x2a6/0x430 [18028.519441][ T7704] inet6_addr_add+0x4f8/0xa40 [18028.519441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18028.519441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18028.519441][ T7704] netlink_rcv_skb+0x130/0x360 [18028.519441][ T7704] netlink_unicast+0x449/0x710 [18028.519441][ T7704] netlink_sendmsg+0x723/0xbe0 [18028.519441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18028.519441][ T7704] ___sys_sendmsg+0xee/0x170 [18028.519441][ T7704] __sys_sendmsg+0xcd/0x170 [18028.519441][ T7704] do_syscall_64+0xc6/0x1e0 [18028.519441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18028.519441][ T7704] [18028.522182][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18028.522182][ T7704] netdev_get_by_index+0x5e/0x80 [18028.522182][ T7704] fib6_nh_init+0x3d8/0x15b0 [18028.522182][ T7704] ip6_route_info_create+0xf18/0x17d0 [18028.522182][ T7704] addrconf_f6i_alloc+0x315/0x560 [18028.522182][ T7704] ipv6_add_addr+0x411/0x2000 [18028.522182][ T7704] inet6_addr_add+0x30e/0xa40 [18028.522182][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18028.522182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18028.522182][ T7704] netlink_rcv_skb+0x130/0x360 [18028.522182][ T7704] netlink_unicast+0x449/0x710 [18028.522182][ T7704] netlink_sendmsg+0x723/0xbe0 [18028.522182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18028.522182][ T7704] ___sys_sendmsg+0xee/0x170 [18028.522182][ T7704] __sys_sendmsg+0xcd/0x170 [18028.522182][ T7704] do_syscall_64+0xc6/0x1e0 [18028.522182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18028.522182][ T7704] [18028.524900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18028.524900][ T7704] netdev_get_by_index+0x5e/0x80 [18028.524900][ T7704] fib6_nh_init+0x3d8/0x15b0 [18028.524900][ T7704] ip6_route_info_create+0xf18/0x17d0 [18028.524900][ T7704] ip6_route_add+0x1c/0x140 [18028.524900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18028.524900][ T7704] addrconf_add_dev+0xe2/0x170 [18028.524900][ T7704] inet6_addr_add+0x12f/0xa40 [18028.524900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18028.524900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18028.524900][ T7704] netlink_rcv_skb+0x130/0x360 [18028.524900][ T7704] netlink_unicast+0x449/0x710 [18028.524900][ T7704] netlink_sendmsg+0x723/0xbe0 [18028.524900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18028.524900][ T7704] ___sys_sendmsg+0xee/0x170 [18028.524900][ T7704] __sys_sendmsg+0xcd/0x170 [18028.524900][ T7704] do_syscall_64+0xc6/0x1e0 [18028.524900][ T7704] [18028.527587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18028.527587][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18028.527587][ T7704] ipv6_find_idev+0x102/0x170 [18028.527587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18028.527587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18028.527587][ T7704] netlink_rcv_skb+0x130/0x360 [18028.527587][ T7704] netlink_unicast+0x449/0x710 [18028.527587][ T7704] netlink_sendmsg+0x723/0xbe0 [18028.527587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18028.527587][ T7704] ___sys_sendmsg+0xee/0x170 [18028.527587][ T7704] __sys_sendmsg+0xcd/0x170 [18028.527587][ T7704] do_syscall_64+0xc6/0x1e0 [18028.527587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18028.527587][ T7704] [18028.529685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18028.529685][ T7704] neigh_parms_alloc+0x1e5/0x510 [18028.529685][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18028.529685][ T7704] ipv6_find_idev+0x102/0x170 [18028.529685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18028.529685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18028.529685][ T7704] netlink_rcv_skb+0x130/0x360 [18028.529685][ T7704] netlink_unicast+0x449/0x710 [18028.529685][ T7704] netlink_sendmsg+0x723/0xbe0 [18028.529685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18028.529685][ T7704] ___sys_sendmsg+0xee/0x170 [18028.529685][ T7704] __sys_sendmsg+0xcd/0x170 [18028.529685][ T7704] do_syscall_64+0xc6/0x1e0 [18028.529685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18028.529685][ T7704] [18038.783083][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18038.783590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18038.783590][ T7704] netdev_get_by_index+0x5e/0x80 [18038.783590][ T7704] fib6_nh_init+0x3d8/0x15b0 [18038.783590][ T7704] ip6_route_info_create+0xf18/0x17d0 [18038.783590][ T7704] ip6_route_add+0x1c/0x140 [18038.783590][ T7704] addrconf_prefix_route+0x2a6/0x430 [18038.783590][ T7704] inet6_addr_add+0x4f8/0xa40 [18038.783590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18038.783590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18038.783590][ T7704] netlink_rcv_skb+0x130/0x360 [18038.783590][ T7704] netlink_unicast+0x449/0x710 [18038.783590][ T7704] netlink_sendmsg+0x723/0xbe0 [18038.783590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18038.783590][ T7704] ___sys_sendmsg+0xee/0x170 [18038.783590][ T7704] __sys_sendmsg+0xcd/0x170 [18038.783590][ T7704] do_syscall_64+0xc6/0x1e0 [18038.783590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18038.783590][ T7704] [18038.785974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18038.785974][ T7704] netdev_get_by_index+0x5e/0x80 [18038.785974][ T7704] fib6_nh_init+0x3d8/0x15b0 [18038.785974][ T7704] ip6_route_info_create+0xf18/0x17d0 [18038.785974][ T7704] addrconf_f6i_alloc+0x315/0x560 [18038.785974][ T7704] ipv6_add_addr+0x411/0x2000 [18038.785974][ T7704] inet6_addr_add+0x30e/0xa40 [18038.785974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18038.785974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18038.785974][ T7704] netlink_rcv_skb+0x130/0x360 [18038.785974][ T7704] netlink_unicast+0x449/0x710 [18038.785974][ T7704] netlink_sendmsg+0x723/0xbe0 [18038.785974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18038.785974][ T7704] ___sys_sendmsg+0xee/0x170 [18038.785974][ T7704] __sys_sendmsg+0xcd/0x170 [18038.785974][ T7704] do_syscall_64+0xc6/0x1e0 [18038.785974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18038.785974][ T7704] [18038.788288][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18038.788288][ T7704] netdev_get_by_index+0x5e/0x80 [18038.788288][ T7704] fib6_nh_init+0x3d8/0x15b0 [18038.788288][ T7704] ip6_route_info_create+0xf18/0x17d0 [18038.788288][ T7704] ip6_route_add+0x1c/0x140 [18038.788288][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18038.788288][ T7704] addrconf_add_dev+0xe2/0x170 [18038.788288][ T7704] inet6_addr_add+0x12f/0xa40 [18038.788288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18038.788288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18038.788288][ T7704] netlink_rcv_skb+0x130/0x360 [18038.788288][ T7704] netlink_unicast+0x449/0x710 [18038.788288][ T7704] netlink_sendmsg+0x723/0xbe0 [18038.788288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18038.788288][ T7704] ___sys_sendmsg+0xee/0x170 [18038.788288][ T7704] __sys_sendmsg+0xcd/0x170 [18038.788288][ T7704] do_syscall_64+0xc6/0x1e0 [18038.788288][ T7704] [18038.790562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18038.790562][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18038.790562][ T7704] ipv6_find_idev+0x102/0x170 [18038.790562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18038.790562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18038.790562][ T7704] netlink_rcv_skb+0x130/0x360 [18038.790562][ T7704] netlink_unicast+0x449/0x710 [18038.790562][ T7704] netlink_sendmsg+0x723/0xbe0 [18038.790562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18038.790562][ T7704] ___sys_sendmsg+0xee/0x170 [18038.790562][ T7704] __sys_sendmsg+0xcd/0x170 [18038.790562][ T7704] do_syscall_64+0xc6/0x1e0 [18038.790562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18038.790562][ T7704] [18038.792345][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18038.792345][ T7704] neigh_parms_alloc+0x1e5/0x510 [18038.792345][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18038.792345][ T7704] ipv6_find_idev+0x102/0x170 [18038.792345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18038.792345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18038.792345][ T7704] netlink_rcv_skb+0x130/0x360 [18038.792345][ T7704] netlink_unicast+0x449/0x710 [18038.792345][ T7704] netlink_sendmsg+0x723/0xbe0 [18038.792345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18038.792345][ T7704] ___sys_sendmsg+0xee/0x170 [18038.792345][ T7704] __sys_sendmsg+0xcd/0x170 [18038.792345][ T7704] do_syscall_64+0xc6/0x1e0 [18038.792345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18038.792345][ T7704] [18049.046954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18049.047445][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18049.047445][ T7704] netdev_get_by_index+0x5e/0x80 [18049.047445][ T7704] fib6_nh_init+0x3d8/0x15b0 [18049.047445][ T7704] ip6_route_info_create+0xf18/0x17d0 [18049.047445][ T7704] ip6_route_add+0x1c/0x140 [18049.047445][ T7704] addrconf_prefix_route+0x2a6/0x430 [18049.047445][ T7704] inet6_addr_add+0x4f8/0xa40 [18049.047445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18049.047445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18049.047445][ T7704] netlink_rcv_skb+0x130/0x360 [18049.047445][ T7704] netlink_unicast+0x449/0x710 [18049.047445][ T7704] netlink_sendmsg+0x723/0xbe0 [18049.047445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18049.047445][ T7704] ___sys_sendmsg+0xee/0x170 [18049.047445][ T7704] __sys_sendmsg+0xcd/0x170 [18049.047445][ T7704] do_syscall_64+0xc6/0x1e0 [18049.047445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18049.047445][ T7704] [18049.049802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18049.049802][ T7704] netdev_get_by_index+0x5e/0x80 [18049.049802][ T7704] fib6_nh_init+0x3d8/0x15b0 [18049.049802][ T7704] ip6_route_info_create+0xf18/0x17d0 [18049.049802][ T7704] addrconf_f6i_alloc+0x315/0x560 [18049.049802][ T7704] ipv6_add_addr+0x411/0x2000 [18049.049802][ T7704] inet6_addr_add+0x30e/0xa40 [18049.049802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18049.049802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18049.049802][ T7704] netlink_rcv_skb+0x130/0x360 [18049.049802][ T7704] netlink_unicast+0x449/0x710 [18049.049802][ T7704] netlink_sendmsg+0x723/0xbe0 [18049.049802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18049.049802][ T7704] ___sys_sendmsg+0xee/0x170 [18049.049802][ T7704] __sys_sendmsg+0xcd/0x170 [18049.049802][ T7704] do_syscall_64+0xc6/0x1e0 [18049.049802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18049.049802][ T7704] [18049.052121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18049.052121][ T7704] netdev_get_by_index+0x5e/0x80 [18049.052121][ T7704] fib6_nh_init+0x3d8/0x15b0 [18049.052121][ T7704] ip6_route_info_create+0xf18/0x17d0 [18049.052121][ T7704] ip6_route_add+0x1c/0x140 [18049.052121][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18049.052121][ T7704] addrconf_add_dev+0xe2/0x170 [18049.052121][ T7704] inet6_addr_add+0x12f/0xa40 [18049.052121][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18049.052121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18049.052121][ T7704] netlink_rcv_skb+0x130/0x360 [18049.052121][ T7704] netlink_unicast+0x449/0x710 [18049.052121][ T7704] netlink_sendmsg+0x723/0xbe0 [18049.052121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18049.052121][ T7704] ___sys_sendmsg+0xee/0x170 [18049.052121][ T7704] __sys_sendmsg+0xcd/0x170 [18049.052121][ T7704] do_syscall_64+0xc6/0x1e0 [18049.052121][ T7704] [18049.054388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18049.054388][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18049.054388][ T7704] ipv6_find_idev+0x102/0x170 [18049.054388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18049.054388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18049.054388][ T7704] netlink_rcv_skb+0x130/0x360 [18049.054388][ T7704] netlink_unicast+0x449/0x710 [18049.054388][ T7704] netlink_sendmsg+0x723/0xbe0 [18049.054388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18049.054388][ T7704] ___sys_sendmsg+0xee/0x170 [18049.054388][ T7704] __sys_sendmsg+0xcd/0x170 [18049.054388][ T7704] do_syscall_64+0xc6/0x1e0 [18049.054388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18049.054388][ T7704] [18049.056173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18049.056173][ T7704] neigh_parms_alloc+0x1e5/0x510 [18049.056173][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18049.056173][ T7704] ipv6_find_idev+0x102/0x170 [18049.056173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18049.056173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18049.056173][ T7704] netlink_rcv_skb+0x130/0x360 [18049.056173][ T7704] netlink_unicast+0x449/0x710 [18049.056173][ T7704] netlink_sendmsg+0x723/0xbe0 [18049.056173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18049.056173][ T7704] ___sys_sendmsg+0xee/0x170 [18049.056173][ T7704] __sys_sendmsg+0xcd/0x170 [18049.056173][ T7704] do_syscall_64+0xc6/0x1e0 [18049.056173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18049.056173][ T7704] [18059.310952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18059.311447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18059.311447][ T7704] netdev_get_by_index+0x5e/0x80 [18059.311447][ T7704] fib6_nh_init+0x3d8/0x15b0 [18059.311447][ T7704] ip6_route_info_create+0xf18/0x17d0 [18059.311447][ T7704] ip6_route_add+0x1c/0x140 [18059.311447][ T7704] addrconf_prefix_route+0x2a6/0x430 [18059.311447][ T7704] inet6_addr_add+0x4f8/0xa40 [18059.311447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18059.311447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18059.311447][ T7704] netlink_rcv_skb+0x130/0x360 [18059.311447][ T7704] netlink_unicast+0x449/0x710 [18059.311447][ T7704] netlink_sendmsg+0x723/0xbe0 [18059.311447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18059.311447][ T7704] ___sys_sendmsg+0xee/0x170 [18059.311447][ T7704] __sys_sendmsg+0xcd/0x170 [18059.311447][ T7704] do_syscall_64+0xc6/0x1e0 [18059.311447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18059.311447][ T7704] [18059.313785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18059.313785][ T7704] netdev_get_by_index+0x5e/0x80 [18059.313785][ T7704] fib6_nh_init+0x3d8/0x15b0 [18059.313785][ T7704] ip6_route_info_create+0xf18/0x17d0 [18059.313785][ T7704] addrconf_f6i_alloc+0x315/0x560 [18059.313785][ T7704] ipv6_add_addr+0x411/0x2000 [18059.313785][ T7704] inet6_addr_add+0x30e/0xa40 [18059.313785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18059.313785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18059.313785][ T7704] netlink_rcv_skb+0x130/0x360 [18059.313785][ T7704] netlink_unicast+0x449/0x710 [18059.313785][ T7704] netlink_sendmsg+0x723/0xbe0 [18059.313785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18059.313785][ T7704] ___sys_sendmsg+0xee/0x170 [18059.313785][ T7704] __sys_sendmsg+0xcd/0x170 [18059.313785][ T7704] do_syscall_64+0xc6/0x1e0 [18059.313785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18059.313785][ T7704] [18059.316113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18059.316113][ T7704] netdev_get_by_index+0x5e/0x80 [18059.316113][ T7704] fib6_nh_init+0x3d8/0x15b0 [18059.316113][ T7704] ip6_route_info_create+0xf18/0x17d0 [18059.316113][ T7704] ip6_route_add+0x1c/0x140 [18059.316113][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18059.316113][ T7704] addrconf_add_dev+0xe2/0x170 [18059.316113][ T7704] inet6_addr_add+0x12f/0xa40 [18059.316113][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18059.316113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18059.316113][ T7704] netlink_rcv_skb+0x130/0x360 [18059.316113][ T7704] netlink_unicast+0x449/0x710 [18059.316113][ T7704] netlink_sendmsg+0x723/0xbe0 [18059.316113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18059.316113][ T7704] ___sys_sendmsg+0xee/0x170 [18059.316113][ T7704] __sys_sendmsg+0xcd/0x170 [18059.316113][ T7704] do_syscall_64+0xc6/0x1e0 [18059.316113][ T7704] [18059.318390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18059.318390][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18059.318390][ T7704] ipv6_find_idev+0x102/0x170 [18059.318390][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18059.318390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18059.318390][ T7704] netlink_rcv_skb+0x130/0x360 [18059.318390][ T7704] netlink_unicast+0x449/0x710 [18059.318390][ T7704] netlink_sendmsg+0x723/0xbe0 [18059.318390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18059.318390][ T7704] ___sys_sendmsg+0xee/0x170 [18059.318390][ T7704] __sys_sendmsg+0xcd/0x170 [18059.318390][ T7704] do_syscall_64+0xc6/0x1e0 [18059.318390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18059.318390][ T7704] [18059.320171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18059.320171][ T7704] neigh_parms_alloc+0x1e5/0x510 [18059.320171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18059.320171][ T7704] ipv6_find_idev+0x102/0x170 [18059.320171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18059.320171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18059.320171][ T7704] netlink_rcv_skb+0x130/0x360 [18059.320171][ T7704] netlink_unicast+0x449/0x710 [18059.320171][ T7704] netlink_sendmsg+0x723/0xbe0 [18059.320171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18059.320171][ T7704] ___sys_sendmsg+0xee/0x170 [18059.320171][ T7704] __sys_sendmsg+0xcd/0x170 [18059.320171][ T7704] do_syscall_64+0xc6/0x1e0 [18059.320171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18059.320171][ T7704] [18069.574942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18069.575472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18069.575472][ T7704] netdev_get_by_index+0x5e/0x80 [18069.575472][ T7704] fib6_nh_init+0x3d8/0x15b0 [18069.575472][ T7704] ip6_route_info_create+0xf18/0x17d0 [18069.575472][ T7704] ip6_route_add+0x1c/0x140 [18069.575472][ T7704] addrconf_prefix_route+0x2a6/0x430 [18069.575472][ T7704] inet6_addr_add+0x4f8/0xa40 [18069.575472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18069.575472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18069.575472][ T7704] netlink_rcv_skb+0x130/0x360 [18069.575472][ T7704] netlink_unicast+0x449/0x710 [18069.575472][ T7704] netlink_sendmsg+0x723/0xbe0 [18069.575472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18069.575472][ T7704] ___sys_sendmsg+0xee/0x170 [18069.575472][ T7704] __sys_sendmsg+0xcd/0x170 [18069.575472][ T7704] do_syscall_64+0xc6/0x1e0 [18069.575472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18069.575472][ T7704] [18069.577819][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18069.577819][ T7704] netdev_get_by_index+0x5e/0x80 [18069.577819][ T7704] fib6_nh_init+0x3d8/0x15b0 [18069.577819][ T7704] ip6_route_info_create+0xf18/0x17d0 [18069.577819][ T7704] addrconf_f6i_alloc+0x315/0x560 [18069.577819][ T7704] ipv6_add_addr+0x411/0x2000 [18069.577819][ T7704] inet6_addr_add+0x30e/0xa40 [18069.577819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18069.577819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18069.577819][ T7704] netlink_rcv_skb+0x130/0x360 [18069.577819][ T7704] netlink_unicast+0x449/0x710 [18069.577819][ T7704] netlink_sendmsg+0x723/0xbe0 [18069.577819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18069.577819][ T7704] ___sys_sendmsg+0xee/0x170 [18069.577819][ T7704] __sys_sendmsg+0xcd/0x170 [18069.577819][ T7704] do_syscall_64+0xc6/0x1e0 [18069.577819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18069.577819][ T7704] [18069.580129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18069.580129][ T7704] netdev_get_by_index+0x5e/0x80 [18069.580129][ T7704] fib6_nh_init+0x3d8/0x15b0 [18069.580129][ T7704] ip6_route_info_create+0xf18/0x17d0 [18069.580129][ T7704] ip6_route_add+0x1c/0x140 [18069.580129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18069.580129][ T7704] addrconf_add_dev+0xe2/0x170 [18069.580129][ T7704] inet6_addr_add+0x12f/0xa40 [18069.580129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18069.580129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18069.580129][ T7704] netlink_rcv_skb+0x130/0x360 [18069.580129][ T7704] netlink_unicast+0x449/0x710 [18069.580129][ T7704] netlink_sendmsg+0x723/0xbe0 [18069.580129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18069.580129][ T7704] ___sys_sendmsg+0xee/0x170 [18069.580129][ T7704] __sys_sendmsg+0xcd/0x170 [18069.580129][ T7704] do_syscall_64+0xc6/0x1e0 [18069.580129][ T7704] [18069.582402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18069.582402][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18069.582402][ T7704] ipv6_find_idev+0x102/0x170 [18069.582402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18069.582402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18069.582402][ T7704] netlink_rcv_skb+0x130/0x360 [18069.582402][ T7704] netlink_unicast+0x449/0x710 [18069.582402][ T7704] netlink_sendmsg+0x723/0xbe0 [18069.582402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18069.582402][ T7704] ___sys_sendmsg+0xee/0x170 [18069.582402][ T7704] __sys_sendmsg+0xcd/0x170 [18069.582402][ T7704] do_syscall_64+0xc6/0x1e0 [18069.582402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18069.582402][ T7704] [18069.584195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18069.584195][ T7704] neigh_parms_alloc+0x1e5/0x510 [18069.584195][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18069.584195][ T7704] ipv6_find_idev+0x102/0x170 [18069.584195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18069.584195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18069.584195][ T7704] netlink_rcv_skb+0x130/0x360 [18069.584195][ T7704] netlink_unicast+0x449/0x710 [18069.584195][ T7704] netlink_sendmsg+0x723/0xbe0 [18069.584195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18069.584195][ T7704] ___sys_sendmsg+0xee/0x170 [18069.584195][ T7704] __sys_sendmsg+0xcd/0x170 [18069.584195][ T7704] do_syscall_64+0xc6/0x1e0 [18069.584195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18069.584195][ T7704] [18079.702895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18079.703390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18079.703390][ T7704] netdev_get_by_index+0x5e/0x80 [18079.703390][ T7704] fib6_nh_init+0x3d8/0x15b0 [18079.703390][ T7704] ip6_route_info_create+0xf18/0x17d0 [18079.703390][ T7704] ip6_route_add+0x1c/0x140 [18079.703390][ T7704] addrconf_prefix_route+0x2a6/0x430 [18079.703390][ T7704] inet6_addr_add+0x4f8/0xa40 [18079.703390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18079.703390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18079.703390][ T7704] netlink_rcv_skb+0x130/0x360 [18079.703390][ T7704] netlink_unicast+0x449/0x710 [18079.703390][ T7704] netlink_sendmsg+0x723/0xbe0 [18079.703390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18079.703390][ T7704] ___sys_sendmsg+0xee/0x170 [18079.703390][ T7704] __sys_sendmsg+0xcd/0x170 [18079.703390][ T7704] do_syscall_64+0xc6/0x1e0 [18079.703390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18079.703390][ T7704] [18079.705732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18079.705732][ T7704] netdev_get_by_index+0x5e/0x80 [18079.705732][ T7704] fib6_nh_init+0x3d8/0x15b0 [18079.705732][ T7704] ip6_route_info_create+0xf18/0x17d0 [18079.705732][ T7704] addrconf_f6i_alloc+0x315/0x560 [18079.705732][ T7704] ipv6_add_addr+0x411/0x2000 [18079.705732][ T7704] inet6_addr_add+0x30e/0xa40 [18079.705732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18079.705732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18079.705732][ T7704] netlink_rcv_skb+0x130/0x360 [18079.705732][ T7704] netlink_unicast+0x449/0x710 [18079.705732][ T7704] netlink_sendmsg+0x723/0xbe0 [18079.705732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18079.705732][ T7704] ___sys_sendmsg+0xee/0x170 [18079.705732][ T7704] __sys_sendmsg+0xcd/0x170 [18079.705732][ T7704] do_syscall_64+0xc6/0x1e0 [18079.705732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18079.705732][ T7704] [18079.708048][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18079.708048][ T7704] netdev_get_by_index+0x5e/0x80 [18079.708048][ T7704] fib6_nh_init+0x3d8/0x15b0 [18079.708048][ T7704] ip6_route_info_create+0xf18/0x17d0 [18079.708048][ T7704] ip6_route_add+0x1c/0x140 [18079.708048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18079.708048][ T7704] addrconf_add_dev+0xe2/0x170 [18079.708048][ T7704] inet6_addr_add+0x12f/0xa40 [18079.708048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18079.708048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18079.708048][ T7704] netlink_rcv_skb+0x130/0x360 [18079.708048][ T7704] netlink_unicast+0x449/0x710 [18079.708048][ T7704] netlink_sendmsg+0x723/0xbe0 [18079.708048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18079.708048][ T7704] ___sys_sendmsg+0xee/0x170 [18079.708048][ T7704] __sys_sendmsg+0xcd/0x170 [18079.708048][ T7704] do_syscall_64+0xc6/0x1e0 [18079.708048][ T7704] [18079.710319][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18079.710319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18079.710319][ T7704] ipv6_find_idev+0x102/0x170 [18079.710319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18079.710319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18079.710319][ T7704] netlink_rcv_skb+0x130/0x360 [18079.710319][ T7704] netlink_unicast+0x449/0x710 [18079.710319][ T7704] netlink_sendmsg+0x723/0xbe0 [18079.710319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18079.710319][ T7704] ___sys_sendmsg+0xee/0x170 [18079.710319][ T7704] __sys_sendmsg+0xcd/0x170 [18079.710319][ T7704] do_syscall_64+0xc6/0x1e0 [18079.710319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18079.710319][ T7704] [18079.712105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18079.712105][ T7704] neigh_parms_alloc+0x1e5/0x510 [18079.712105][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18079.712105][ T7704] ipv6_find_idev+0x102/0x170 [18079.712105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18079.712105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18079.712105][ T7704] netlink_rcv_skb+0x130/0x360 [18079.712105][ T7704] netlink_unicast+0x449/0x710 [18079.712105][ T7704] netlink_sendmsg+0x723/0xbe0 [18079.712105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18079.712105][ T7704] ___sys_sendmsg+0xee/0x170 [18079.712105][ T7704] __sys_sendmsg+0xcd/0x170 [18079.712105][ T7704] do_syscall_64+0xc6/0x1e0 [18079.712105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18079.712105][ T7704] [18089.950949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18089.951446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18089.951446][ T7704] netdev_get_by_index+0x5e/0x80 [18089.951446][ T7704] fib6_nh_init+0x3d8/0x15b0 [18089.951446][ T7704] ip6_route_info_create+0xf18/0x17d0 [18089.951446][ T7704] ip6_route_add+0x1c/0x140 [18089.951446][ T7704] addrconf_prefix_route+0x2a6/0x430 [18089.951446][ T7704] inet6_addr_add+0x4f8/0xa40 [18089.951446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18089.951446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18089.951446][ T7704] netlink_rcv_skb+0x130/0x360 [18089.951446][ T7704] netlink_unicast+0x449/0x710 [18089.951446][ T7704] netlink_sendmsg+0x723/0xbe0 [18089.951446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18089.951446][ T7704] ___sys_sendmsg+0xee/0x170 [18089.951446][ T7704] __sys_sendmsg+0xcd/0x170 [18089.951446][ T7704] do_syscall_64+0xc6/0x1e0 [18089.951446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18089.951446][ T7704] [18089.953782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18089.953782][ T7704] netdev_get_by_index+0x5e/0x80 [18089.953782][ T7704] fib6_nh_init+0x3d8/0x15b0 [18089.953782][ T7704] ip6_route_info_create+0xf18/0x17d0 [18089.953782][ T7704] addrconf_f6i_alloc+0x315/0x560 [18089.953782][ T7704] ipv6_add_addr+0x411/0x2000 [18089.953782][ T7704] inet6_addr_add+0x30e/0xa40 [18089.953782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18089.953782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18089.953782][ T7704] netlink_rcv_skb+0x130/0x360 [18089.953782][ T7704] netlink_unicast+0x449/0x710 [18089.953782][ T7704] netlink_sendmsg+0x723/0xbe0 [18089.953782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18089.953782][ T7704] ___sys_sendmsg+0xee/0x170 [18089.953782][ T7704] __sys_sendmsg+0xcd/0x170 [18089.953782][ T7704] do_syscall_64+0xc6/0x1e0 [18089.953782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18089.953782][ T7704] [18089.956091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18089.956091][ T7704] netdev_get_by_index+0x5e/0x80 [18089.956091][ T7704] fib6_nh_init+0x3d8/0x15b0 [18089.956091][ T7704] ip6_route_info_create+0xf18/0x17d0 [18089.956091][ T7704] ip6_route_add+0x1c/0x140 [18089.956091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18089.956091][ T7704] addrconf_add_dev+0xe2/0x170 [18089.956091][ T7704] inet6_addr_add+0x12f/0xa40 [18089.956091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18089.956091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18089.956091][ T7704] netlink_rcv_skb+0x130/0x360 [18089.956091][ T7704] netlink_unicast+0x449/0x710 [18089.956091][ T7704] netlink_sendmsg+0x723/0xbe0 [18089.956091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18089.956091][ T7704] ___sys_sendmsg+0xee/0x170 [18089.956091][ T7704] __sys_sendmsg+0xcd/0x170 [18089.956091][ T7704] do_syscall_64+0xc6/0x1e0 [18089.956091][ T7704] [18089.958377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18089.958377][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18089.958377][ T7704] ipv6_find_idev+0x102/0x170 [18089.958377][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18089.958377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18089.958377][ T7704] netlink_rcv_skb+0x130/0x360 [18089.958377][ T7704] netlink_unicast+0x449/0x710 [18089.958377][ T7704] netlink_sendmsg+0x723/0xbe0 [18089.958377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18089.958377][ T7704] ___sys_sendmsg+0xee/0x170 [18089.958377][ T7704] __sys_sendmsg+0xcd/0x170 [18089.958377][ T7704] do_syscall_64+0xc6/0x1e0 [18089.958377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18089.958377][ T7704] [18089.960154][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18089.960154][ T7704] neigh_parms_alloc+0x1e5/0x510 [18089.960154][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18089.960154][ T7704] ipv6_find_idev+0x102/0x170 [18089.960154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18089.960154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18089.960154][ T7704] netlink_rcv_skb+0x130/0x360 [18089.960154][ T7704] netlink_unicast+0x449/0x710 [18089.960154][ T7704] netlink_sendmsg+0x723/0xbe0 [18089.960154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18089.960154][ T7704] ___sys_sendmsg+0xee/0x170 [18089.960154][ T7704] __sys_sendmsg+0xcd/0x170 [18089.960154][ T7704] do_syscall_64+0xc6/0x1e0 [18089.960154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18089.960154][ T7704] [18100.198972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18100.199476][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18100.199476][ T7704] netdev_get_by_index+0x5e/0x80 [18100.199476][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.199476][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.199476][ T7704] ip6_route_add+0x1c/0x140 [18100.199476][ T7704] addrconf_prefix_route+0x2a6/0x430 [18100.199476][ T7704] inet6_addr_add+0x4f8/0xa40 [18100.199476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.199476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.199476][ T7704] netlink_rcv_skb+0x130/0x360 [18100.199476][ T7704] netlink_unicast+0x449/0x710 [18100.199476][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.199476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.199476][ T7704] ___sys_sendmsg+0xee/0x170 [18100.199476][ T7704] __sys_sendmsg+0xcd/0x170 [18100.199476][ T7704] do_syscall_64+0xc6/0x1e0 [18100.199476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.199476][ T7704] [18100.201847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18100.201847][ T7704] netdev_get_by_index+0x5e/0x80 [18100.201847][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.201847][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.201847][ T7704] addrconf_f6i_alloc+0x315/0x560 [18100.201847][ T7704] ipv6_add_addr+0x411/0x2000 [18100.201847][ T7704] inet6_addr_add+0x30e/0xa40 [18100.201847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.201847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.201847][ T7704] netlink_rcv_skb+0x130/0x360 [18100.201847][ T7704] netlink_unicast+0x449/0x710 [18100.201847][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.201847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.201847][ T7704] ___sys_sendmsg+0xee/0x170 [18100.201847][ T7704] __sys_sendmsg+0xcd/0x170 [18100.201847][ T7704] do_syscall_64+0xc6/0x1e0 [18100.201847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.201847][ T7704] [18100.204192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18100.204192][ T7704] netdev_get_by_index+0x5e/0x80 [18100.204192][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.204192][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.204192][ T7704] ip6_route_add+0x1c/0x140 [18100.204192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18100.204192][ T7704] addrconf_add_dev+0xe2/0x170 [18100.204192][ T7704] inet6_addr_add+0x12f/0xa40 [18100.204192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.204192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.204192][ T7704] netlink_rcv_skb+0x130/0x360 [18100.204192][ T7704] netlink_unicast+0x449/0x710 [18100.204192][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.204192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.204192][ T7704] ___sys_sendmsg+0xee/0x170 [18100.204192][ T7704] __sys_sendmsg+0xcd/0x170 [18100.204192][ T7704] do_syscall_64+0xc6/0x1e0 [18100.204192][ T7704] [18100.206507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18100.206507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18100.206507][ T7704] ipv6_find_idev+0x102/0x170 [18100.206507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18100.206507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.206507][ T7704] netlink_rcv_skb+0x130/0x360 [18100.206507][ T7704] netlink_unicast+0x449/0x710 [18100.206507][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.206507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.206507][ T7704] ___sys_sendmsg+0xee/0x170 [18100.206507][ T7704] __sys_sendmsg+0xcd/0x170 [18100.206507][ T7704] do_syscall_64+0xc6/0x1e0 [18100.206507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.206507][ T7704] [18100.208306][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18100.208306][ T7704] neigh_parms_alloc+0x1e5/0x510 [18100.208306][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18100.208306][ T7704] ipv6_find_idev+0x102/0x170 [18100.208306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18100.208306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.208306][ T7704] netlink_rcv_skb+0x130/0x360 [18100.208306][ T7704] netlink_unicast+0x449/0x710 [18100.208306][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.208306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.208306][ T7704] ___sys_sendmsg+0xee/0x170 [18100.208306][ T7704] __sys_sendmsg+0xcd/0x170 [18100.208306][ T7704] do_syscall_64+0xc6/0x1e0 [18100.208306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.208306][ T7704] [18110.302978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18110.303518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18110.303518][ T7704] netdev_get_by_index+0x5e/0x80 [18110.303518][ T7704] fib6_nh_init+0x3d8/0x15b0 [18110.303518][ T7704] ip6_route_info_create+0xf18/0x17d0 [18110.303518][ T7704] ip6_route_add+0x1c/0x140 [18110.303518][ T7704] addrconf_prefix_route+0x2a6/0x430 [18110.303518][ T7704] inet6_addr_add+0x4f8/0xa40 [18110.303518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18110.303518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18110.303518][ T7704] netlink_rcv_skb+0x130/0x360 [18110.303518][ T7704] netlink_unicast+0x449/0x710 [18110.303518][ T7704] netlink_sendmsg+0x723/0xbe0 [18110.303518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18110.303518][ T7704] ___sys_sendmsg+0xee/0x170 [18110.303518][ T7704] __sys_sendmsg+0xcd/0x170 [18110.303518][ T7704] do_syscall_64+0xc6/0x1e0 [18110.303518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18110.303518][ T7704] [18110.305894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18110.305894][ T7704] netdev_get_by_index+0x5e/0x80 [18110.305894][ T7704] fib6_nh_init+0x3d8/0x15b0 [18110.305894][ T7704] ip6_route_info_create+0xf18/0x17d0 [18110.305894][ T7704] addrconf_f6i_alloc+0x315/0x560 [18110.305894][ T7704] ipv6_add_addr+0x411/0x2000 [18110.305894][ T7704] inet6_addr_add+0x30e/0xa40 [18110.305894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18110.305894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18110.305894][ T7704] netlink_rcv_skb+0x130/0x360 [18110.305894][ T7704] netlink_unicast+0x449/0x710 [18110.305894][ T7704] netlink_sendmsg+0x723/0xbe0 [18110.305894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18110.305894][ T7704] ___sys_sendmsg+0xee/0x170 [18110.305894][ T7704] __sys_sendmsg+0xcd/0x170 [18110.305894][ T7704] do_syscall_64+0xc6/0x1e0 [18110.305894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18110.305894][ T7704] [18110.308756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18110.308756][ T7704] netdev_get_by_index+0x5e/0x80 [18110.308756][ T7704] fib6_nh_init+0x3d8/0x15b0 [18110.308756][ T7704] ip6_route_info_create+0xf18/0x17d0 [18110.308756][ T7704] ip6_route_add+0x1c/0x140 [18110.308756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18110.308756][ T7704] addrconf_add_dev+0xe2/0x170 [18110.308756][ T7704] inet6_addr_add+0x12f/0xa40 [18110.308756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18110.308756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18110.308756][ T7704] netlink_rcv_skb+0x130/0x360 [18110.308756][ T7704] netlink_unicast+0x449/0x710 [18110.308756][ T7704] netlink_sendmsg+0x723/0xbe0 [18110.308756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18110.308756][ T7704] ___sys_sendmsg+0xee/0x170 [18110.308756][ T7704] __sys_sendmsg+0xcd/0x170 [18110.308756][ T7704] do_syscall_64+0xc6/0x1e0 [18110.308756][ T7704] [18110.311066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18110.311066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18110.311066][ T7704] ipv6_find_idev+0x102/0x170 [18110.311066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18110.311066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18110.311066][ T7704] netlink_rcv_skb+0x130/0x360 [18110.311066][ T7704] netlink_unicast+0x449/0x710 [18110.311066][ T7704] netlink_sendmsg+0x723/0xbe0 [18110.311066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18110.311066][ T7704] ___sys_sendmsg+0xee/0x170 [18110.311066][ T7704] __sys_sendmsg+0xcd/0x170 [18110.311066][ T7704] do_syscall_64+0xc6/0x1e0 [18110.311066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18110.311066][ T7704] [18110.312877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18110.312877][ T7704] neigh_parms_alloc+0x1e5/0x510 [18110.312877][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18110.312877][ T7704] ipv6_find_idev+0x102/0x170 [18110.312877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18110.312877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18110.312877][ T7704] netlink_rcv_skb+0x130/0x360 [18110.312877][ T7704] netlink_unicast+0x449/0x710 [18110.312877][ T7704] netlink_sendmsg+0x723/0xbe0 [18110.312877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18110.312877][ T7704] ___sys_sendmsg+0xee/0x170 [18110.312877][ T7704] __sys_sendmsg+0xcd/0x170 [18110.312877][ T7704] do_syscall_64+0xc6/0x1e0 [18110.312877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18110.312877][ T7704] [18120.454947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18120.455453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18120.455453][ T7704] netdev_get_by_index+0x5e/0x80 [18120.455453][ T7704] fib6_nh_init+0x3d8/0x15b0 [18120.455453][ T7704] ip6_route_info_create+0xf18/0x17d0 [18120.455453][ T7704] ip6_route_add+0x1c/0x140 [18120.455453][ T7704] addrconf_prefix_route+0x2a6/0x430 [18120.455453][ T7704] inet6_addr_add+0x4f8/0xa40 [18120.455453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18120.455453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18120.455453][ T7704] netlink_rcv_skb+0x130/0x360 [18120.455453][ T7704] netlink_unicast+0x449/0x710 [18120.455453][ T7704] netlink_sendmsg+0x723/0xbe0 [18120.455453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18120.455453][ T7704] ___sys_sendmsg+0xee/0x170 [18120.455453][ T7704] __sys_sendmsg+0xcd/0x170 [18120.455453][ T7704] do_syscall_64+0xc6/0x1e0 [18120.455453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18120.455453][ T7704] [18120.458136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18120.458136][ T7704] netdev_get_by_index+0x5e/0x80 [18120.458136][ T7704] fib6_nh_init+0x3d8/0x15b0 [18120.458136][ T7704] ip6_route_info_create+0xf18/0x17d0 [18120.458136][ T7704] addrconf_f6i_alloc+0x315/0x560 [18120.458136][ T7704] ipv6_add_addr+0x411/0x2000 [18120.458136][ T7704] inet6_addr_add+0x30e/0xa40 [18120.458136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18120.458136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18120.458136][ T7704] netlink_rcv_skb+0x130/0x360 [18120.458136][ T7704] netlink_unicast+0x449/0x710 [18120.458136][ T7704] netlink_sendmsg+0x723/0xbe0 [18120.458136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18120.458136][ T7704] ___sys_sendmsg+0xee/0x170 [18120.458136][ T7704] __sys_sendmsg+0xcd/0x170 [18120.458136][ T7704] do_syscall_64+0xc6/0x1e0 [18120.458136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18120.458136][ T7704] [18120.460389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18120.460389][ T7704] netdev_get_by_index+0x5e/0x80 [18120.460389][ T7704] fib6_nh_init+0x3d8/0x15b0 [18120.460389][ T7704] ip6_route_info_create+0xf18/0x17d0 [18120.460389][ T7704] ip6_route_add+0x1c/0x140 [18120.460389][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18120.460389][ T7704] addrconf_add_dev+0xe2/0x170 [18120.460389][ T7704] inet6_addr_add+0x12f/0xa40 [18120.460389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18120.460389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18120.460389][ T7704] netlink_rcv_skb+0x130/0x360 [18120.460389][ T7704] netlink_unicast+0x449/0x710 [18120.460389][ T7704] netlink_sendmsg+0x723/0xbe0 [18120.460389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18120.460389][ T7704] ___sys_sendmsg+0xee/0x170 [18120.460389][ T7704] __sys_sendmsg+0xcd/0x170 [18120.460389][ T7704] do_syscall_64+0xc6/0x1e0 [18120.460389][ T7704] [18120.462604][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18120.462604][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18120.462604][ T7704] ipv6_find_idev+0x102/0x170 [18120.462604][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18120.462604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18120.462604][ T7704] netlink_rcv_skb+0x130/0x360 [18120.462604][ T7704] netlink_unicast+0x449/0x710 [18120.462604][ T7704] netlink_sendmsg+0x723/0xbe0 [18120.462604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18120.462604][ T7704] ___sys_sendmsg+0xee/0x170 [18120.462604][ T7704] __sys_sendmsg+0xcd/0x170 [18120.462604][ T7704] do_syscall_64+0xc6/0x1e0 [18120.462604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18120.462604][ T7704] [18120.464330][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18120.464330][ T7704] neigh_parms_alloc+0x1e5/0x510 [18120.464330][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18120.464330][ T7704] ipv6_find_idev+0x102/0x170 [18120.464330][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18120.464330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18120.464330][ T7704] netlink_rcv_skb+0x130/0x360 [18120.464330][ T7704] netlink_unicast+0x449/0x710 [18120.464330][ T7704] netlink_sendmsg+0x723/0xbe0 [18120.464330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18120.464330][ T7704] ___sys_sendmsg+0xee/0x170 [18120.464330][ T7704] __sys_sendmsg+0xcd/0x170 [18120.464330][ T7704] do_syscall_64+0xc6/0x1e0 [18120.464330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18120.464330][ T7704] [18130.839067][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18130.839587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18130.839587][ T7704] netdev_get_by_index+0x5e/0x80 [18130.839587][ T7704] fib6_nh_init+0x3d8/0x15b0 [18130.839587][ T7704] ip6_route_info_create+0xf18/0x17d0 [18130.839587][ T7704] ip6_route_add+0x1c/0x140 [18130.839587][ T7704] addrconf_prefix_route+0x2a6/0x430 [18130.839587][ T7704] inet6_addr_add+0x4f8/0xa40 [18130.839587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18130.839587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18130.839587][ T7704] netlink_rcv_skb+0x130/0x360 [18130.839587][ T7704] netlink_unicast+0x449/0x710 [18130.839587][ T7704] netlink_sendmsg+0x723/0xbe0 [18130.839587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18130.839587][ T7704] ___sys_sendmsg+0xee/0x170 [18130.839587][ T7704] __sys_sendmsg+0xcd/0x170 [18130.839587][ T7704] do_syscall_64+0xc6/0x1e0 [18130.839587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18130.839587][ T7704] [18130.841854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18130.841854][ T7704] netdev_get_by_index+0x5e/0x80 [18130.841854][ T7704] fib6_nh_init+0x3d8/0x15b0 [18130.841854][ T7704] ip6_route_info_create+0xf18/0x17d0 [18130.841854][ T7704] addrconf_f6i_alloc+0x315/0x560 [18130.841854][ T7704] ipv6_add_addr+0x411/0x2000 [18130.841854][ T7704] inet6_addr_add+0x30e/0xa40 [18130.841854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18130.841854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18130.841854][ T7704] netlink_rcv_skb+0x130/0x360 [18130.841854][ T7704] netlink_unicast+0x449/0x710 [18130.841854][ T7704] netlink_sendmsg+0x723/0xbe0 [18130.841854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18130.841854][ T7704] ___sys_sendmsg+0xee/0x170 [18130.841854][ T7704] __sys_sendmsg+0xcd/0x170 [18130.841854][ T7704] do_syscall_64+0xc6/0x1e0 [18130.841854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18130.841854][ T7704] [18130.844102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18130.844102][ T7704] netdev_get_by_index+0x5e/0x80 [18130.844102][ T7704] fib6_nh_init+0x3d8/0x15b0 [18130.844102][ T7704] ip6_route_info_create+0xf18/0x17d0 [18130.844102][ T7704] ip6_route_add+0x1c/0x140 [18130.844102][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18130.844102][ T7704] addrconf_add_dev+0xe2/0x170 [18130.844102][ T7704] inet6_addr_add+0x12f/0xa40 [18130.844102][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18130.844102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18130.844102][ T7704] netlink_rcv_skb+0x130/0x360 [18130.844102][ T7704] netlink_unicast+0x449/0x710 [18130.844102][ T7704] netlink_sendmsg+0x723/0xbe0 [18130.844102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18130.844102][ T7704] ___sys_sendmsg+0xee/0x170 [18130.844102][ T7704] __sys_sendmsg+0xcd/0x170 [18130.844102][ T7704] do_syscall_64+0xc6/0x1e0 [18130.844102][ T7704] [18130.846328][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18130.846328][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18130.846328][ T7704] ipv6_find_idev+0x102/0x170 [18130.846328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18130.846328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18130.846328][ T7704] netlink_rcv_skb+0x130/0x360 [18130.846328][ T7704] netlink_unicast+0x449/0x710 [18130.846328][ T7704] netlink_sendmsg+0x723/0xbe0 [18130.846328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18130.846328][ T7704] ___sys_sendmsg+0xee/0x170 [18130.846328][ T7704] __sys_sendmsg+0xcd/0x170 [18130.846328][ T7704] do_syscall_64+0xc6/0x1e0 [18130.846328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18130.846328][ T7704] [18130.848067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18130.848067][ T7704] neigh_parms_alloc+0x1e5/0x510 [18130.848067][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18130.848067][ T7704] ipv6_find_idev+0x102/0x170 [18130.848067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18130.848067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18130.848067][ T7704] netlink_rcv_skb+0x130/0x360 [18130.848067][ T7704] netlink_unicast+0x449/0x710 [18130.848067][ T7704] netlink_sendmsg+0x723/0xbe0 [18130.848067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18130.848067][ T7704] ___sys_sendmsg+0xee/0x170 [18130.848067][ T7704] __sys_sendmsg+0xcd/0x170 [18130.848067][ T7704] do_syscall_64+0xc6/0x1e0 [18130.848067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18130.848067][ T7704] [18141.102939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18141.103383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18141.103383][ T7704] netdev_get_by_index+0x5e/0x80 [18141.103383][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.103383][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.103383][ T7704] ip6_route_add+0x1c/0x140 [18141.103383][ T7704] addrconf_prefix_route+0x2a6/0x430 [18141.103383][ T7704] inet6_addr_add+0x4f8/0xa40 [18141.103383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.103383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.103383][ T7704] netlink_rcv_skb+0x130/0x360 [18141.103383][ T7704] netlink_unicast+0x449/0x710 [18141.103383][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.103383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.103383][ T7704] ___sys_sendmsg+0xee/0x170 [18141.103383][ T7704] __sys_sendmsg+0xcd/0x170 [18141.103383][ T7704] do_syscall_64+0xc6/0x1e0 [18141.103383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.103383][ T7704] [18141.105658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18141.105658][ T7704] netdev_get_by_index+0x5e/0x80 [18141.105658][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.105658][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.105658][ T7704] addrconf_f6i_alloc+0x315/0x560 [18141.105658][ T7704] ipv6_add_addr+0x411/0x2000 [18141.105658][ T7704] inet6_addr_add+0x30e/0xa40 [18141.105658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.105658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.105658][ T7704] netlink_rcv_skb+0x130/0x360 [18141.105658][ T7704] netlink_unicast+0x449/0x710 [18141.105658][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.105658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.105658][ T7704] ___sys_sendmsg+0xee/0x170 [18141.105658][ T7704] __sys_sendmsg+0xcd/0x170 [18141.105658][ T7704] do_syscall_64+0xc6/0x1e0 [18141.105658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.105658][ T7704] [18141.107905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18141.107905][ T7704] netdev_get_by_index+0x5e/0x80 [18141.107905][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.107905][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.107905][ T7704] ip6_route_add+0x1c/0x140 [18141.107905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18141.107905][ T7704] addrconf_add_dev+0xe2/0x170 [18141.107905][ T7704] inet6_addr_add+0x12f/0xa40 [18141.107905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.107905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.107905][ T7704] netlink_rcv_skb+0x130/0x360 [18141.107905][ T7704] netlink_unicast+0x449/0x710 [18141.107905][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.107905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.107905][ T7704] ___sys_sendmsg+0xee/0x170 [18141.107905][ T7704] __sys_sendmsg+0xcd/0x170 [18141.107905][ T7704] do_syscall_64+0xc6/0x1e0 [18141.107905][ T7704] [18141.110119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18141.110119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18141.110119][ T7704] ipv6_find_idev+0x102/0x170 [18141.110119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18141.110119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.110119][ T7704] netlink_rcv_skb+0x130/0x360 [18141.110119][ T7704] netlink_unicast+0x449/0x710 [18141.110119][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.110119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.110119][ T7704] ___sys_sendmsg+0xee/0x170 [18141.110119][ T7704] __sys_sendmsg+0xcd/0x170 [18141.110119][ T7704] do_syscall_64+0xc6/0x1e0 [18141.110119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.110119][ T7704] [18141.111855][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18141.111855][ T7704] neigh_parms_alloc+0x1e5/0x510 [18141.111855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18141.111855][ T7704] ipv6_find_idev+0x102/0x170 [18141.111855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18141.111855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.111855][ T7704] netlink_rcv_skb+0x130/0x360 [18141.111855][ T7704] netlink_unicast+0x449/0x710 [18141.111855][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.111855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.111855][ T7704] ___sys_sendmsg+0xee/0x170 [18141.111855][ T7704] __sys_sendmsg+0xcd/0x170 [18141.111855][ T7704] do_syscall_64+0xc6/0x1e0 [18141.111855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.111855][ T7704] [18151.359004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18151.359444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18151.359444][ T7704] netdev_get_by_index+0x5e/0x80 [18151.359444][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.359444][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.359444][ T7704] ip6_route_add+0x1c/0x140 [18151.359444][ T7704] addrconf_prefix_route+0x2a6/0x430 [18151.359444][ T7704] inet6_addr_add+0x4f8/0xa40 [18151.359444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.359444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.359444][ T7704] netlink_rcv_skb+0x130/0x360 [18151.359444][ T7704] netlink_unicast+0x449/0x710 [18151.359444][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.359444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.359444][ T7704] ___sys_sendmsg+0xee/0x170 [18151.359444][ T7704] __sys_sendmsg+0xcd/0x170 [18151.359444][ T7704] do_syscall_64+0xc6/0x1e0 [18151.359444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.359444][ T7704] [18151.361706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18151.361706][ T7704] netdev_get_by_index+0x5e/0x80 [18151.361706][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.361706][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.361706][ T7704] addrconf_f6i_alloc+0x315/0x560 [18151.361706][ T7704] ipv6_add_addr+0x411/0x2000 [18151.361706][ T7704] inet6_addr_add+0x30e/0xa40 [18151.361706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.361706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.361706][ T7704] netlink_rcv_skb+0x130/0x360 [18151.361706][ T7704] netlink_unicast+0x449/0x710 [18151.361706][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.361706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.361706][ T7704] ___sys_sendmsg+0xee/0x170 [18151.361706][ T7704] __sys_sendmsg+0xcd/0x170 [18151.361706][ T7704] do_syscall_64+0xc6/0x1e0 [18151.361706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.361706][ T7704] [18151.363959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18151.363959][ T7704] netdev_get_by_index+0x5e/0x80 [18151.363959][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.363959][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.363959][ T7704] ip6_route_add+0x1c/0x140 [18151.363959][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18151.363959][ T7704] addrconf_add_dev+0xe2/0x170 [18151.363959][ T7704] inet6_addr_add+0x12f/0xa40 [18151.363959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.363959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.363959][ T7704] netlink_rcv_skb+0x130/0x360 [18151.363959][ T7704] netlink_unicast+0x449/0x710 [18151.363959][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.363959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.363959][ T7704] ___sys_sendmsg+0xee/0x170 [18151.363959][ T7704] __sys_sendmsg+0xcd/0x170 [18151.363959][ T7704] do_syscall_64+0xc6/0x1e0 [18151.363959][ T7704] [18151.366183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18151.366183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18151.366183][ T7704] ipv6_find_idev+0x102/0x170 [18151.366183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18151.366183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.366183][ T7704] netlink_rcv_skb+0x130/0x360 [18151.366183][ T7704] netlink_unicast+0x449/0x710 [18151.366183][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.366183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.366183][ T7704] ___sys_sendmsg+0xee/0x170 [18151.366183][ T7704] __sys_sendmsg+0xcd/0x170 [18151.366183][ T7704] do_syscall_64+0xc6/0x1e0 [18151.366183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.366183][ T7704] [18151.367911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18151.367911][ T7704] neigh_parms_alloc+0x1e5/0x510 [18151.367911][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18151.367911][ T7704] ipv6_find_idev+0x102/0x170 [18151.367911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18151.367911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.367911][ T7704] netlink_rcv_skb+0x130/0x360 [18151.367911][ T7704] netlink_unicast+0x449/0x710 [18151.367911][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.367911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.367911][ T7704] ___sys_sendmsg+0xee/0x170 [18151.367911][ T7704] __sys_sendmsg+0xcd/0x170 [18151.367911][ T7704] do_syscall_64+0xc6/0x1e0 [18151.367911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.367911][ T7704] [18161.614961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18161.615461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18161.615461][ T7704] netdev_get_by_index+0x5e/0x80 [18161.615461][ T7704] fib6_nh_init+0x3d8/0x15b0 [18161.615461][ T7704] ip6_route_info_create+0xf18/0x17d0 [18161.615461][ T7704] ip6_route_add+0x1c/0x140 [18161.615461][ T7704] addrconf_prefix_route+0x2a6/0x430 [18161.615461][ T7704] inet6_addr_add+0x4f8/0xa40 [18161.615461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18161.615461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18161.615461][ T7704] netlink_rcv_skb+0x130/0x360 [18161.615461][ T7704] netlink_unicast+0x449/0x710 [18161.615461][ T7704] netlink_sendmsg+0x723/0xbe0 [18161.615461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18161.615461][ T7704] ___sys_sendmsg+0xee/0x170 [18161.615461][ T7704] __sys_sendmsg+0xcd/0x170 [18161.615461][ T7704] do_syscall_64+0xc6/0x1e0 [18161.615461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18161.615461][ T7704] [18161.617783][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18161.617783][ T7704] netdev_get_by_index+0x5e/0x80 [18161.617783][ T7704] fib6_nh_init+0x3d8/0x15b0 [18161.617783][ T7704] ip6_route_info_create+0xf18/0x17d0 [18161.617783][ T7704] addrconf_f6i_alloc+0x315/0x560 [18161.617783][ T7704] ipv6_add_addr+0x411/0x2000 [18161.617783][ T7704] inet6_addr_add+0x30e/0xa40 [18161.617783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18161.617783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18161.617783][ T7704] netlink_rcv_skb+0x130/0x360 [18161.617783][ T7704] netlink_unicast+0x449/0x710 [18161.617783][ T7704] netlink_sendmsg+0x723/0xbe0 [18161.617783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18161.617783][ T7704] ___sys_sendmsg+0xee/0x170 [18161.617783][ T7704] __sys_sendmsg+0xcd/0x170 [18161.617783][ T7704] do_syscall_64+0xc6/0x1e0 [18161.617783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18161.617783][ T7704] [18161.620000][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18161.620000][ T7704] netdev_get_by_index+0x5e/0x80 [18161.620000][ T7704] fib6_nh_init+0x3d8/0x15b0 [18161.620000][ T7704] ip6_route_info_create+0xf18/0x17d0 [18161.620000][ T7704] ip6_route_add+0x1c/0x140 [18161.620000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18161.620000][ T7704] addrconf_add_dev+0xe2/0x170 [18161.620000][ T7704] inet6_addr_add+0x12f/0xa40 [18161.620000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18161.620000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18161.620000][ T7704] netlink_rcv_skb+0x130/0x360 [18161.620000][ T7704] netlink_unicast+0x449/0x710 [18161.620000][ T7704] netlink_sendmsg+0x723/0xbe0 [18161.620000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18161.620000][ T7704] ___sys_sendmsg+0xee/0x170 [18161.620000][ T7704] __sys_sendmsg+0xcd/0x170 [18161.620000][ T7704] do_syscall_64+0xc6/0x1e0 [18161.620000][ T7704] [18161.622245][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18161.622245][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18161.622245][ T7704] ipv6_find_idev+0x102/0x170 [18161.622245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18161.622245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18161.622245][ T7704] netlink_rcv_skb+0x130/0x360 [18161.622245][ T7704] netlink_unicast+0x449/0x710 [18161.622245][ T7704] netlink_sendmsg+0x723/0xbe0 [18161.622245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18161.622245][ T7704] ___sys_sendmsg+0xee/0x170 [18161.622245][ T7704] __sys_sendmsg+0xcd/0x170 [18161.622245][ T7704] do_syscall_64+0xc6/0x1e0 [18161.622245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18161.622245][ T7704] [18161.623989][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18161.623989][ T7704] neigh_parms_alloc+0x1e5/0x510 [18161.623989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18161.623989][ T7704] ipv6_find_idev+0x102/0x170 [18161.623989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18161.623989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18161.623989][ T7704] netlink_rcv_skb+0x130/0x360 [18161.623989][ T7704] netlink_unicast+0x449/0x710 [18161.623989][ T7704] netlink_sendmsg+0x723/0xbe0 [18161.623989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18161.623989][ T7704] ___sys_sendmsg+0xee/0x170 [18161.623989][ T7704] __sys_sendmsg+0xcd/0x170 [18161.623989][ T7704] do_syscall_64+0xc6/0x1e0 [18161.623989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18161.623989][ T7704] [18171.806925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18171.807411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18171.807411][ T7704] netdev_get_by_index+0x5e/0x80 [18171.807411][ T7704] fib6_nh_init+0x3d8/0x15b0 [18171.807411][ T7704] ip6_route_info_create+0xf18/0x17d0 [18171.807411][ T7704] ip6_route_add+0x1c/0x140 [18171.807411][ T7704] addrconf_prefix_route+0x2a6/0x430 [18171.807411][ T7704] inet6_addr_add+0x4f8/0xa40 [18171.807411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18171.807411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18171.807411][ T7704] netlink_rcv_skb+0x130/0x360 [18171.807411][ T7704] netlink_unicast+0x449/0x710 [18171.807411][ T7704] netlink_sendmsg+0x723/0xbe0 [18171.807411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18171.807411][ T7704] ___sys_sendmsg+0xee/0x170 [18171.807411][ T7704] __sys_sendmsg+0xcd/0x170 [18171.807411][ T7704] do_syscall_64+0xc6/0x1e0 [18171.807411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18171.807411][ T7704] [18171.809687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18171.809687][ T7704] netdev_get_by_index+0x5e/0x80 [18171.809687][ T7704] fib6_nh_init+0x3d8/0x15b0 [18171.809687][ T7704] ip6_route_info_create+0xf18/0x17d0 [18171.809687][ T7704] addrconf_f6i_alloc+0x315/0x560 [18171.809687][ T7704] ipv6_add_addr+0x411/0x2000 [18171.809687][ T7704] inet6_addr_add+0x30e/0xa40 [18171.809687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18171.809687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18171.809687][ T7704] netlink_rcv_skb+0x130/0x360 [18171.809687][ T7704] netlink_unicast+0x449/0x710 [18171.809687][ T7704] netlink_sendmsg+0x723/0xbe0 [18171.809687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18171.809687][ T7704] ___sys_sendmsg+0xee/0x170 [18171.809687][ T7704] __sys_sendmsg+0xcd/0x170 [18171.809687][ T7704] do_syscall_64+0xc6/0x1e0 [18171.809687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18171.809687][ T7704] [18171.811955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18171.811955][ T7704] netdev_get_by_index+0x5e/0x80 [18171.811955][ T7704] fib6_nh_init+0x3d8/0x15b0 [18171.811955][ T7704] ip6_route_info_create+0xf18/0x17d0 [18171.811955][ T7704] ip6_route_add+0x1c/0x140 [18171.811955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18171.811955][ T7704] addrconf_add_dev+0xe2/0x170 [18171.811955][ T7704] inet6_addr_add+0x12f/0xa40 [18171.811955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18171.811955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18171.811955][ T7704] netlink_rcv_skb+0x130/0x360 [18171.811955][ T7704] netlink_unicast+0x449/0x710 [18171.811955][ T7704] netlink_sendmsg+0x723/0xbe0 [18171.811955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18171.811955][ T7704] ___sys_sendmsg+0xee/0x170 [18171.811955][ T7704] __sys_sendmsg+0xcd/0x170 [18171.811955][ T7704] do_syscall_64+0xc6/0x1e0 [18171.811955][ T7704] [18171.814165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18171.814165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18171.814165][ T7704] ipv6_find_idev+0x102/0x170 [18171.814165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18171.814165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18171.814165][ T7704] netlink_rcv_skb+0x130/0x360 [18171.814165][ T7704] netlink_unicast+0x449/0x710 [18171.814165][ T7704] netlink_sendmsg+0x723/0xbe0 [18171.814165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18171.814165][ T7704] ___sys_sendmsg+0xee/0x170 [18171.814165][ T7704] __sys_sendmsg+0xcd/0x170 [18171.814165][ T7704] do_syscall_64+0xc6/0x1e0 [18171.814165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18171.814165][ T7704] [18171.815931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18171.815931][ T7704] neigh_parms_alloc+0x1e5/0x510 [18171.815931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18171.815931][ T7704] ipv6_find_idev+0x102/0x170 [18171.815931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18171.815931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18171.815931][ T7704] netlink_rcv_skb+0x130/0x360 [18171.815931][ T7704] netlink_unicast+0x449/0x710 [18171.815931][ T7704] netlink_sendmsg+0x723/0xbe0 [18171.815931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18171.815931][ T7704] ___sys_sendmsg+0xee/0x170 [18171.815931][ T7704] __sys_sendmsg+0xcd/0x170 [18171.815931][ T7704] do_syscall_64+0xc6/0x1e0 [18171.815931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18171.815931][ T7704] [18181.982959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18181.983495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18181.983495][ T7704] netdev_get_by_index+0x5e/0x80 [18181.983495][ T7704] fib6_nh_init+0x3d8/0x15b0 [18181.983495][ T7704] ip6_route_info_create+0xf18/0x17d0 [18181.983495][ T7704] ip6_route_add+0x1c/0x140 [18181.983495][ T7704] addrconf_prefix_route+0x2a6/0x430 [18181.983495][ T7704] inet6_addr_add+0x4f8/0xa40 [18181.983495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18181.983495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18181.983495][ T7704] netlink_rcv_skb+0x130/0x360 [18181.983495][ T7704] netlink_unicast+0x449/0x710 [18181.983495][ T7704] netlink_sendmsg+0x723/0xbe0 [18181.983495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18181.983495][ T7704] ___sys_sendmsg+0xee/0x170 [18181.983495][ T7704] __sys_sendmsg+0xcd/0x170 [18181.983495][ T7704] do_syscall_64+0xc6/0x1e0 [18181.983495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18181.983495][ T7704] [18181.985878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18181.985878][ T7704] netdev_get_by_index+0x5e/0x80 [18181.985878][ T7704] fib6_nh_init+0x3d8/0x15b0 [18181.985878][ T7704] ip6_route_info_create+0xf18/0x17d0 [18181.985878][ T7704] addrconf_f6i_alloc+0x315/0x560 [18181.985878][ T7704] ipv6_add_addr+0x411/0x2000 [18181.985878][ T7704] inet6_addr_add+0x30e/0xa40 [18181.985878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18181.985878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18181.985878][ T7704] netlink_rcv_skb+0x130/0x360 [18181.985878][ T7704] netlink_unicast+0x449/0x710 [18181.985878][ T7704] netlink_sendmsg+0x723/0xbe0 [18181.985878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18181.985878][ T7704] ___sys_sendmsg+0xee/0x170 [18181.985878][ T7704] __sys_sendmsg+0xcd/0x170 [18181.985878][ T7704] do_syscall_64+0xc6/0x1e0 [18181.985878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18181.985878][ T7704] [18181.988220][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18181.988220][ T7704] netdev_get_by_index+0x5e/0x80 [18181.988220][ T7704] fib6_nh_init+0x3d8/0x15b0 [18181.988220][ T7704] ip6_route_info_create+0xf18/0x17d0 [18181.988220][ T7704] ip6_route_add+0x1c/0x140 [18181.988220][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18181.988220][ T7704] addrconf_add_dev+0xe2/0x170 [18181.988220][ T7704] inet6_addr_add+0x12f/0xa40 [18181.988220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18181.988220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18181.988220][ T7704] netlink_rcv_skb+0x130/0x360 [18181.988220][ T7704] netlink_unicast+0x449/0x710 [18181.988220][ T7704] netlink_sendmsg+0x723/0xbe0 [18181.988220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18181.988220][ T7704] ___sys_sendmsg+0xee/0x170 [18181.988220][ T7704] __sys_sendmsg+0xcd/0x170 [18181.988220][ T7704] do_syscall_64+0xc6/0x1e0 [18181.988220][ T7704] [18181.990513][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18181.990513][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18181.990513][ T7704] ipv6_find_idev+0x102/0x170 [18181.990513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18181.990513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18181.990513][ T7704] netlink_rcv_skb+0x130/0x360 [18181.990513][ T7704] netlink_unicast+0x449/0x710 [18181.990513][ T7704] netlink_sendmsg+0x723/0xbe0 [18181.990513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18181.990513][ T7704] ___sys_sendmsg+0xee/0x170 [18181.990513][ T7704] __sys_sendmsg+0xcd/0x170 [18181.990513][ T7704] do_syscall_64+0xc6/0x1e0 [18181.990513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18181.990513][ T7704] [18181.992313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18181.992313][ T7704] neigh_parms_alloc+0x1e5/0x510 [18181.992313][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18181.992313][ T7704] ipv6_find_idev+0x102/0x170 [18181.992313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18181.992313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18181.992313][ T7704] netlink_rcv_skb+0x130/0x360 [18181.992313][ T7704] netlink_unicast+0x449/0x710 [18181.992313][ T7704] netlink_sendmsg+0x723/0xbe0 [18181.992313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18181.992313][ T7704] ___sys_sendmsg+0xee/0x170 [18181.992313][ T7704] __sys_sendmsg+0xcd/0x170 [18181.992313][ T7704] do_syscall_64+0xc6/0x1e0 [18181.992313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18181.992313][ T7704] [18192.230991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18192.231484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18192.231484][ T7704] netdev_get_by_index+0x5e/0x80 [18192.231484][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.231484][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.231484][ T7704] ip6_route_add+0x1c/0x140 [18192.231484][ T7704] addrconf_prefix_route+0x2a6/0x430 [18192.231484][ T7704] inet6_addr_add+0x4f8/0xa40 [18192.231484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.231484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.231484][ T7704] netlink_rcv_skb+0x130/0x360 [18192.231484][ T7704] netlink_unicast+0x449/0x710 [18192.231484][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.231484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.231484][ T7704] ___sys_sendmsg+0xee/0x170 [18192.231484][ T7704] __sys_sendmsg+0xcd/0x170 [18192.231484][ T7704] do_syscall_64+0xc6/0x1e0 [18192.231484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.231484][ T7704] [18192.233830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18192.233830][ T7704] netdev_get_by_index+0x5e/0x80 [18192.233830][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.233830][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.233830][ T7704] addrconf_f6i_alloc+0x315/0x560 [18192.233830][ T7704] ipv6_add_addr+0x411/0x2000 [18192.233830][ T7704] inet6_addr_add+0x30e/0xa40 [18192.233830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.233830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.233830][ T7704] netlink_rcv_skb+0x130/0x360 [18192.233830][ T7704] netlink_unicast+0x449/0x710 [18192.233830][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.233830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.233830][ T7704] ___sys_sendmsg+0xee/0x170 [18192.233830][ T7704] __sys_sendmsg+0xcd/0x170 [18192.233830][ T7704] do_syscall_64+0xc6/0x1e0 [18192.233830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.233830][ T7704] [18192.236165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18192.236165][ T7704] netdev_get_by_index+0x5e/0x80 [18192.236165][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.236165][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.236165][ T7704] ip6_route_add+0x1c/0x140 [18192.236165][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18192.236165][ T7704] addrconf_add_dev+0xe2/0x170 [18192.236165][ T7704] inet6_addr_add+0x12f/0xa40 [18192.236165][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.236165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.236165][ T7704] netlink_rcv_skb+0x130/0x360 [18192.236165][ T7704] netlink_unicast+0x449/0x710 [18192.236165][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.236165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.236165][ T7704] ___sys_sendmsg+0xee/0x170 [18192.236165][ T7704] __sys_sendmsg+0xcd/0x170 [18192.236165][ T7704] do_syscall_64+0xc6/0x1e0 [18192.236165][ T7704] [18192.238447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18192.238447][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18192.238447][ T7704] ipv6_find_idev+0x102/0x170 [18192.238447][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18192.238447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.238447][ T7704] netlink_rcv_skb+0x130/0x360 [18192.238447][ T7704] netlink_unicast+0x449/0x710 [18192.238447][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.238447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.238447][ T7704] ___sys_sendmsg+0xee/0x170 [18192.238447][ T7704] __sys_sendmsg+0xcd/0x170 [18192.238447][ T7704] do_syscall_64+0xc6/0x1e0 [18192.238447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.238447][ T7704] [18192.240232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18192.240232][ T7704] neigh_parms_alloc+0x1e5/0x510 [18192.240232][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18192.240232][ T7704] ipv6_find_idev+0x102/0x170 [18192.240232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18192.240232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.240232][ T7704] netlink_rcv_skb+0x130/0x360 [18192.240232][ T7704] netlink_unicast+0x449/0x710 [18192.240232][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.240232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.240232][ T7704] ___sys_sendmsg+0xee/0x170 [18192.240232][ T7704] __sys_sendmsg+0xcd/0x170 [18192.240232][ T7704] do_syscall_64+0xc6/0x1e0 [18192.240232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.240232][ T7704] [18202.478964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18202.479490][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18202.479490][ T7704] netdev_get_by_index+0x5e/0x80 [18202.479490][ T7704] fib6_nh_init+0x3d8/0x15b0 [18202.479490][ T7704] ip6_route_info_create+0xf18/0x17d0 [18202.479490][ T7704] ip6_route_add+0x1c/0x140 [18202.479490][ T7704] addrconf_prefix_route+0x2a6/0x430 [18202.479490][ T7704] inet6_addr_add+0x4f8/0xa40 [18202.479490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18202.479490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18202.479490][ T7704] netlink_rcv_skb+0x130/0x360 [18202.479490][ T7704] netlink_unicast+0x449/0x710 [18202.479490][ T7704] netlink_sendmsg+0x723/0xbe0 [18202.479490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18202.479490][ T7704] ___sys_sendmsg+0xee/0x170 [18202.479490][ T7704] __sys_sendmsg+0xcd/0x170 [18202.479490][ T7704] do_syscall_64+0xc6/0x1e0 [18202.479490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18202.479490][ T7704] [18202.481851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18202.481851][ T7704] netdev_get_by_index+0x5e/0x80 [18202.481851][ T7704] fib6_nh_init+0x3d8/0x15b0 [18202.481851][ T7704] ip6_route_info_create+0xf18/0x17d0 [18202.481851][ T7704] addrconf_f6i_alloc+0x315/0x560 [18202.481851][ T7704] ipv6_add_addr+0x411/0x2000 [18202.481851][ T7704] inet6_addr_add+0x30e/0xa40 [18202.481851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18202.481851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18202.481851][ T7704] netlink_rcv_skb+0x130/0x360 [18202.481851][ T7704] netlink_unicast+0x449/0x710 [18202.481851][ T7704] netlink_sendmsg+0x723/0xbe0 [18202.481851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18202.481851][ T7704] ___sys_sendmsg+0xee/0x170 [18202.481851][ T7704] __sys_sendmsg+0xcd/0x170 [18202.481851][ T7704] do_syscall_64+0xc6/0x1e0 [18202.481851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18202.481851][ T7704] [18202.484179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18202.484179][ T7704] netdev_get_by_index+0x5e/0x80 [18202.484179][ T7704] fib6_nh_init+0x3d8/0x15b0 [18202.484179][ T7704] ip6_route_info_create+0xf18/0x17d0 [18202.484179][ T7704] ip6_route_add+0x1c/0x140 [18202.484179][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18202.484179][ T7704] addrconf_add_dev+0xe2/0x170 [18202.484179][ T7704] inet6_addr_add+0x12f/0xa40 [18202.484179][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18202.484179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18202.484179][ T7704] netlink_rcv_skb+0x130/0x360 [18202.484179][ T7704] netlink_unicast+0x449/0x710 [18202.484179][ T7704] netlink_sendmsg+0x723/0xbe0 [18202.484179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18202.484179][ T7704] ___sys_sendmsg+0xee/0x170 [18202.484179][ T7704] __sys_sendmsg+0xcd/0x170 [18202.484179][ T7704] do_syscall_64+0xc6/0x1e0 [18202.484179][ T7704] [18202.486511][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18202.486511][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18202.486511][ T7704] ipv6_find_idev+0x102/0x170 [18202.486511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18202.486511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18202.486511][ T7704] netlink_rcv_skb+0x130/0x360 [18202.486511][ T7704] netlink_unicast+0x449/0x710 [18202.486511][ T7704] netlink_sendmsg+0x723/0xbe0 [18202.486511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18202.486511][ T7704] ___sys_sendmsg+0xee/0x170 [18202.486511][ T7704] __sys_sendmsg+0xcd/0x170 [18202.486511][ T7704] do_syscall_64+0xc6/0x1e0 [18202.486511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18202.486511][ T7704] [18202.488286][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18202.488286][ T7704] neigh_parms_alloc+0x1e5/0x510 [18202.488286][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18202.488286][ T7704] ipv6_find_idev+0x102/0x170 [18202.488286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18202.488286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18202.488286][ T7704] netlink_rcv_skb+0x130/0x360 [18202.488286][ T7704] netlink_unicast+0x449/0x710 [18202.488286][ T7704] netlink_sendmsg+0x723/0xbe0 [18202.488286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18202.488286][ T7704] ___sys_sendmsg+0xee/0x170 [18202.488286][ T7704] __sys_sendmsg+0xcd/0x170 [18202.488286][ T7704] do_syscall_64+0xc6/0x1e0 [18202.488286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18202.488286][ T7704] [18212.727029][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18212.727547][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18212.727547][ T7704] netdev_get_by_index+0x5e/0x80 [18212.727547][ T7704] fib6_nh_init+0x3d8/0x15b0 [18212.727547][ T7704] ip6_route_info_create+0xf18/0x17d0 [18212.727547][ T7704] ip6_route_add+0x1c/0x140 [18212.727547][ T7704] addrconf_prefix_route+0x2a6/0x430 [18212.727547][ T7704] inet6_addr_add+0x4f8/0xa40 [18212.727547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18212.727547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18212.727547][ T7704] netlink_rcv_skb+0x130/0x360 [18212.727547][ T7704] netlink_unicast+0x449/0x710 [18212.727547][ T7704] netlink_sendmsg+0x723/0xbe0 [18212.727547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18212.727547][ T7704] ___sys_sendmsg+0xee/0x170 [18212.727547][ T7704] __sys_sendmsg+0xcd/0x170 [18212.727547][ T7704] do_syscall_64+0xc6/0x1e0 [18212.727547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18212.727547][ T7704] [18212.729910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18212.729910][ T7704] netdev_get_by_index+0x5e/0x80 [18212.729910][ T7704] fib6_nh_init+0x3d8/0x15b0 [18212.729910][ T7704] ip6_route_info_create+0xf18/0x17d0 [18212.729910][ T7704] addrconf_f6i_alloc+0x315/0x560 [18212.729910][ T7704] ipv6_add_addr+0x411/0x2000 [18212.729910][ T7704] inet6_addr_add+0x30e/0xa40 [18212.729910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18212.729910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18212.729910][ T7704] netlink_rcv_skb+0x130/0x360 [18212.729910][ T7704] netlink_unicast+0x449/0x710 [18212.729910][ T7704] netlink_sendmsg+0x723/0xbe0 [18212.729910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18212.729910][ T7704] ___sys_sendmsg+0xee/0x170 [18212.729910][ T7704] __sys_sendmsg+0xcd/0x170 [18212.729910][ T7704] do_syscall_64+0xc6/0x1e0 [18212.729910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18212.729910][ T7704] [18212.732255][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18212.732255][ T7704] netdev_get_by_index+0x5e/0x80 [18212.732255][ T7704] fib6_nh_init+0x3d8/0x15b0 [18212.732255][ T7704] ip6_route_info_create+0xf18/0x17d0 [18212.732255][ T7704] ip6_route_add+0x1c/0x140 [18212.732255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18212.732255][ T7704] addrconf_add_dev+0xe2/0x170 [18212.732255][ T7704] inet6_addr_add+0x12f/0xa40 [18212.732255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18212.732255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18212.732255][ T7704] netlink_rcv_skb+0x130/0x360 [18212.732255][ T7704] netlink_unicast+0x449/0x710 [18212.732255][ T7704] netlink_sendmsg+0x723/0xbe0 [18212.732255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18212.732255][ T7704] ___sys_sendmsg+0xee/0x170 [18212.732255][ T7704] __sys_sendmsg+0xcd/0x170 [18212.732255][ T7704] do_syscall_64+0xc6/0x1e0 [18212.732255][ T7704] [18212.734552][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18212.734552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18212.734552][ T7704] ipv6_find_idev+0x102/0x170 [18212.734552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18212.734552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18212.734552][ T7704] netlink_rcv_skb+0x130/0x360 [18212.734552][ T7704] netlink_unicast+0x449/0x710 [18212.734552][ T7704] netlink_sendmsg+0x723/0xbe0 [18212.734552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18212.734552][ T7704] ___sys_sendmsg+0xee/0x170 [18212.734552][ T7704] __sys_sendmsg+0xcd/0x170 [18212.734552][ T7704] do_syscall_64+0xc6/0x1e0 [18212.734552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18212.734552][ T7704] [18212.736362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18212.736362][ T7704] neigh_parms_alloc+0x1e5/0x510 [18212.736362][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18212.736362][ T7704] ipv6_find_idev+0x102/0x170 [18212.736362][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18212.736362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18212.736362][ T7704] netlink_rcv_skb+0x130/0x360 [18212.736362][ T7704] netlink_unicast+0x449/0x710 [18212.736362][ T7704] netlink_sendmsg+0x723/0xbe0 [18212.736362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18212.736362][ T7704] ___sys_sendmsg+0xee/0x170 [18212.736362][ T7704] __sys_sendmsg+0xcd/0x170 [18212.736362][ T7704] do_syscall_64+0xc6/0x1e0 [18212.736362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18212.736362][ T7704] [18222.974967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18222.975469][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18222.975469][ T7704] netdev_get_by_index+0x5e/0x80 [18222.975469][ T7704] fib6_nh_init+0x3d8/0x15b0 [18222.975469][ T7704] ip6_route_info_create+0xf18/0x17d0 [18222.975469][ T7704] ip6_route_add+0x1c/0x140 [18222.975469][ T7704] addrconf_prefix_route+0x2a6/0x430 [18222.975469][ T7704] inet6_addr_add+0x4f8/0xa40 [18222.975469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18222.975469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18222.975469][ T7704] netlink_rcv_skb+0x130/0x360 [18222.975469][ T7704] netlink_unicast+0x449/0x710 [18222.975469][ T7704] netlink_sendmsg+0x723/0xbe0 [18222.975469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18222.975469][ T7704] ___sys_sendmsg+0xee/0x170 [18222.975469][ T7704] __sys_sendmsg+0xcd/0x170 [18222.975469][ T7704] do_syscall_64+0xc6/0x1e0 [18222.975469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18222.975469][ T7704] [18222.977709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18222.977709][ T7704] netdev_get_by_index+0x5e/0x80 [18222.977709][ T7704] fib6_nh_init+0x3d8/0x15b0 [18222.977709][ T7704] ip6_route_info_create+0xf18/0x17d0 [18222.977709][ T7704] addrconf_f6i_alloc+0x315/0x560 [18222.977709][ T7704] ipv6_add_addr+0x411/0x2000 [18222.977709][ T7704] inet6_addr_add+0x30e/0xa40 [18222.977709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18222.977709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18222.977709][ T7704] netlink_rcv_skb+0x130/0x360 [18222.977709][ T7704] netlink_unicast+0x449/0x710 [18222.977709][ T7704] netlink_sendmsg+0x723/0xbe0 [18222.977709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18222.977709][ T7704] ___sys_sendmsg+0xee/0x170 [18222.977709][ T7704] __sys_sendmsg+0xcd/0x170 [18222.977709][ T7704] do_syscall_64+0xc6/0x1e0 [18222.977709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18222.977709][ T7704] [18222.979957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18222.979957][ T7704] netdev_get_by_index+0x5e/0x80 [18222.979957][ T7704] fib6_nh_init+0x3d8/0x15b0 [18222.979957][ T7704] ip6_route_info_create+0xf18/0x17d0 [18222.979957][ T7704] ip6_route_add+0x1c/0x140 [18222.979957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18222.979957][ T7704] addrconf_add_dev+0xe2/0x170 [18222.979957][ T7704] inet6_addr_add+0x12f/0xa40 [18222.979957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18222.979957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18222.979957][ T7704] netlink_rcv_skb+0x130/0x360 [18222.979957][ T7704] netlink_unicast+0x449/0x710 [18222.979957][ T7704] netlink_sendmsg+0x723/0xbe0 [18222.979957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18222.979957][ T7704] ___sys_sendmsg+0xee/0x170 [18222.979957][ T7704] __sys_sendmsg+0xcd/0x170 [18222.979957][ T7704] do_syscall_64+0xc6/0x1e0 [18222.979957][ T7704] [18222.982138][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18222.982138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18222.982138][ T7704] ipv6_find_idev+0x102/0x170 [18222.982138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18222.982138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18222.982138][ T7704] netlink_rcv_skb+0x130/0x360 [18222.982138][ T7704] netlink_unicast+0x449/0x710 [18222.982138][ T7704] netlink_sendmsg+0x723/0xbe0 [18222.982138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18222.982138][ T7704] ___sys_sendmsg+0xee/0x170 [18222.982138][ T7704] __sys_sendmsg+0xcd/0x170 [18222.982138][ T7704] do_syscall_64+0xc6/0x1e0 [18222.982138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18222.982138][ T7704] [18222.983843][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18222.983843][ T7704] neigh_parms_alloc+0x1e5/0x510 [18222.983843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18222.983843][ T7704] ipv6_find_idev+0x102/0x170 [18222.983843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18222.983843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18222.983843][ T7704] netlink_rcv_skb+0x130/0x360 [18222.983843][ T7704] netlink_unicast+0x449/0x710 [18222.983843][ T7704] netlink_sendmsg+0x723/0xbe0 [18222.983843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18222.983843][ T7704] ___sys_sendmsg+0xee/0x170 [18222.983843][ T7704] __sys_sendmsg+0xcd/0x170 [18222.983843][ T7704] do_syscall_64+0xc6/0x1e0 [18222.983843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18222.983843][ T7704] [18233.222983][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18233.223521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18233.223521][ T7704] netdev_get_by_index+0x5e/0x80 [18233.223521][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.223521][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.223521][ T7704] ip6_route_add+0x1c/0x140 [18233.223521][ T7704] addrconf_prefix_route+0x2a6/0x430 [18233.223521][ T7704] inet6_addr_add+0x4f8/0xa40 [18233.223521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.223521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.223521][ T7704] netlink_rcv_skb+0x130/0x360 [18233.223521][ T7704] netlink_unicast+0x449/0x710 [18233.223521][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.223521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.223521][ T7704] ___sys_sendmsg+0xee/0x170 [18233.223521][ T7704] __sys_sendmsg+0xcd/0x170 [18233.223521][ T7704] do_syscall_64+0xc6/0x1e0 [18233.223521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.223521][ T7704] [18233.225805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18233.225805][ T7704] netdev_get_by_index+0x5e/0x80 [18233.225805][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.225805][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.225805][ T7704] addrconf_f6i_alloc+0x315/0x560 [18233.225805][ T7704] ipv6_add_addr+0x411/0x2000 [18233.225805][ T7704] inet6_addr_add+0x30e/0xa40 [18233.225805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.225805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.225805][ T7704] netlink_rcv_skb+0x130/0x360 [18233.225805][ T7704] netlink_unicast+0x449/0x710 [18233.225805][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.225805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.225805][ T7704] ___sys_sendmsg+0xee/0x170 [18233.225805][ T7704] __sys_sendmsg+0xcd/0x170 [18233.225805][ T7704] do_syscall_64+0xc6/0x1e0 [18233.225805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.225805][ T7704] [18233.228020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18233.228020][ T7704] netdev_get_by_index+0x5e/0x80 [18233.228020][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.228020][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.228020][ T7704] ip6_route_add+0x1c/0x140 [18233.228020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18233.228020][ T7704] addrconf_add_dev+0xe2/0x170 [18233.228020][ T7704] inet6_addr_add+0x12f/0xa40 [18233.228020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.228020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.228020][ T7704] netlink_rcv_skb+0x130/0x360 [18233.228020][ T7704] netlink_unicast+0x449/0x710 [18233.228020][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.228020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.228020][ T7704] ___sys_sendmsg+0xee/0x170 [18233.228020][ T7704] __sys_sendmsg+0xcd/0x170 [18233.228020][ T7704] do_syscall_64+0xc6/0x1e0 [18233.228020][ T7704] [18233.230198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18233.230198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18233.230198][ T7704] ipv6_find_idev+0x102/0x170 [18233.230198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18233.230198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.230198][ T7704] netlink_rcv_skb+0x130/0x360 [18233.230198][ T7704] netlink_unicast+0x449/0x710 [18233.230198][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.230198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.230198][ T7704] ___sys_sendmsg+0xee/0x170 [18233.230198][ T7704] __sys_sendmsg+0xcd/0x170 [18233.230198][ T7704] do_syscall_64+0xc6/0x1e0 [18233.230198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.230198][ T7704] [18233.231901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18233.231901][ T7704] neigh_parms_alloc+0x1e5/0x510 [18233.231901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18233.231901][ T7704] ipv6_find_idev+0x102/0x170 [18233.231901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18233.231901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.231901][ T7704] netlink_rcv_skb+0x130/0x360 [18233.231901][ T7704] netlink_unicast+0x449/0x710 [18233.231901][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.231901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.231901][ T7704] ___sys_sendmsg+0xee/0x170 [18233.231901][ T7704] __sys_sendmsg+0xcd/0x170 [18233.231901][ T7704] do_syscall_64+0xc6/0x1e0 [18233.231901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.231901][ T7704] [18243.470947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18243.471435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18243.471435][ T7704] netdev_get_by_index+0x5e/0x80 [18243.471435][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.471435][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.471435][ T7704] ip6_route_add+0x1c/0x140 [18243.471435][ T7704] addrconf_prefix_route+0x2a6/0x430 [18243.471435][ T7704] inet6_addr_add+0x4f8/0xa40 [18243.471435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.471435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.471435][ T7704] netlink_rcv_skb+0x130/0x360 [18243.471435][ T7704] netlink_unicast+0x449/0x710 [18243.471435][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.471435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.471435][ T7704] ___sys_sendmsg+0xee/0x170 [18243.471435][ T7704] __sys_sendmsg+0xcd/0x170 [18243.471435][ T7704] do_syscall_64+0xc6/0x1e0 [18243.471435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.471435][ T7704] [18243.473686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18243.473686][ T7704] netdev_get_by_index+0x5e/0x80 [18243.473686][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.473686][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.473686][ T7704] addrconf_f6i_alloc+0x315/0x560 [18243.473686][ T7704] ipv6_add_addr+0x411/0x2000 [18243.473686][ T7704] inet6_addr_add+0x30e/0xa40 [18243.473686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.473686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.473686][ T7704] netlink_rcv_skb+0x130/0x360 [18243.473686][ T7704] netlink_unicast+0x449/0x710 [18243.473686][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.473686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.473686][ T7704] ___sys_sendmsg+0xee/0x170 [18243.473686][ T7704] __sys_sendmsg+0xcd/0x170 [18243.473686][ T7704] do_syscall_64+0xc6/0x1e0 [18243.473686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.473686][ T7704] [18243.475920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18243.475920][ T7704] netdev_get_by_index+0x5e/0x80 [18243.475920][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.475920][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.475920][ T7704] ip6_route_add+0x1c/0x140 [18243.475920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18243.475920][ T7704] addrconf_add_dev+0xe2/0x170 [18243.475920][ T7704] inet6_addr_add+0x12f/0xa40 [18243.475920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.475920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.475920][ T7704] netlink_rcv_skb+0x130/0x360 [18243.475920][ T7704] netlink_unicast+0x449/0x710 [18243.475920][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.475920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.475920][ T7704] ___sys_sendmsg+0xee/0x170 [18243.475920][ T7704] __sys_sendmsg+0xcd/0x170 [18243.475920][ T7704] do_syscall_64+0xc6/0x1e0 [18243.475920][ T7704] [18243.478097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18243.478097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18243.478097][ T7704] ipv6_find_idev+0x102/0x170 [18243.478097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18243.478097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.478097][ T7704] netlink_rcv_skb+0x130/0x360 [18243.478097][ T7704] netlink_unicast+0x449/0x710 [18243.478097][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.478097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.478097][ T7704] ___sys_sendmsg+0xee/0x170 [18243.478097][ T7704] __sys_sendmsg+0xcd/0x170 [18243.478097][ T7704] do_syscall_64+0xc6/0x1e0 [18243.478097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.478097][ T7704] [18243.479815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18243.479815][ T7704] neigh_parms_alloc+0x1e5/0x510 [18243.479815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18243.479815][ T7704] ipv6_find_idev+0x102/0x170 [18243.479815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18243.479815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.479815][ T7704] netlink_rcv_skb+0x130/0x360 [18243.479815][ T7704] netlink_unicast+0x449/0x710 [18243.479815][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.479815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.479815][ T7704] ___sys_sendmsg+0xee/0x170 [18243.479815][ T7704] __sys_sendmsg+0xcd/0x170 [18243.479815][ T7704] do_syscall_64+0xc6/0x1e0 [18243.479815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.479815][ T7704] [18253.718949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18253.719439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18253.719439][ T7704] netdev_get_by_index+0x5e/0x80 [18253.719439][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.719439][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.719439][ T7704] ip6_route_add+0x1c/0x140 [18253.719439][ T7704] addrconf_prefix_route+0x2a6/0x430 [18253.719439][ T7704] inet6_addr_add+0x4f8/0xa40 [18253.719439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.719439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.719439][ T7704] netlink_rcv_skb+0x130/0x360 [18253.719439][ T7704] netlink_unicast+0x449/0x710 [18253.719439][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.719439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.719439][ T7704] ___sys_sendmsg+0xee/0x170 [18253.719439][ T7704] __sys_sendmsg+0xcd/0x170 [18253.719439][ T7704] do_syscall_64+0xc6/0x1e0 [18253.719439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.719439][ T7704] [18253.721678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18253.721678][ T7704] netdev_get_by_index+0x5e/0x80 [18253.721678][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.721678][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.721678][ T7704] addrconf_f6i_alloc+0x315/0x560 [18253.721678][ T7704] ipv6_add_addr+0x411/0x2000 [18253.721678][ T7704] inet6_addr_add+0x30e/0xa40 [18253.721678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.721678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.721678][ T7704] netlink_rcv_skb+0x130/0x360 [18253.721678][ T7704] netlink_unicast+0x449/0x710 [18253.721678][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.721678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.721678][ T7704] ___sys_sendmsg+0xee/0x170 [18253.721678][ T7704] __sys_sendmsg+0xcd/0x170 [18253.721678][ T7704] do_syscall_64+0xc6/0x1e0 [18253.721678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.721678][ T7704] [18253.723899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18253.723899][ T7704] netdev_get_by_index+0x5e/0x80 [18253.723899][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.723899][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.723899][ T7704] ip6_route_add+0x1c/0x140 [18253.723899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18253.723899][ T7704] addrconf_add_dev+0xe2/0x170 [18253.723899][ T7704] inet6_addr_add+0x12f/0xa40 [18253.723899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.723899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.723899][ T7704] netlink_rcv_skb+0x130/0x360 [18253.723899][ T7704] netlink_unicast+0x449/0x710 [18253.723899][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.723899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.723899][ T7704] ___sys_sendmsg+0xee/0x170 [18253.723899][ T7704] __sys_sendmsg+0xcd/0x170 [18253.723899][ T7704] do_syscall_64+0xc6/0x1e0 [18253.723899][ T7704] [18253.726085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18253.726085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18253.726085][ T7704] ipv6_find_idev+0x102/0x170 [18253.726085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18253.726085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.726085][ T7704] netlink_rcv_skb+0x130/0x360 [18253.726085][ T7704] netlink_unicast+0x449/0x710 [18253.726085][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.726085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.726085][ T7704] ___sys_sendmsg+0xee/0x170 [18253.726085][ T7704] __sys_sendmsg+0xcd/0x170 [18253.726085][ T7704] do_syscall_64+0xc6/0x1e0 [18253.726085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.726085][ T7704] [18253.727787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18253.727787][ T7704] neigh_parms_alloc+0x1e5/0x510 [18253.727787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18253.727787][ T7704] ipv6_find_idev+0x102/0x170 [18253.727787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18253.727787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.727787][ T7704] netlink_rcv_skb+0x130/0x360 [18253.727787][ T7704] netlink_unicast+0x449/0x710 [18253.727787][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.727787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.727787][ T7704] ___sys_sendmsg+0xee/0x170 [18253.727787][ T7704] __sys_sendmsg+0xcd/0x170 [18253.727787][ T7704] do_syscall_64+0xc6/0x1e0 [18253.727787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.727787][ T7704] [18263.967014][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18263.967687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18263.967687][ T7704] netdev_get_by_index+0x5e/0x80 [18263.967687][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.967687][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.967687][ T7704] ip6_route_add+0x1c/0x140 [18263.967687][ T7704] addrconf_prefix_route+0x2a6/0x430 [18263.967687][ T7704] inet6_addr_add+0x4f8/0xa40 [18263.967687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.967687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.967687][ T7704] netlink_rcv_skb+0x130/0x360 [18263.967687][ T7704] netlink_unicast+0x449/0x710 [18263.967687][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.967687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.967687][ T7704] ___sys_sendmsg+0xee/0x170 [18263.967687][ T7704] __sys_sendmsg+0xcd/0x170 [18263.967687][ T7704] do_syscall_64+0xc6/0x1e0 [18263.967687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.967687][ T7704] [18263.969918][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18263.969918][ T7704] netdev_get_by_index+0x5e/0x80 [18263.969918][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.969918][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.969918][ T7704] addrconf_f6i_alloc+0x315/0x560 [18263.969918][ T7704] ipv6_add_addr+0x411/0x2000 [18263.969918][ T7704] inet6_addr_add+0x30e/0xa40 [18263.969918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.969918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.969918][ T7704] netlink_rcv_skb+0x130/0x360 [18263.969918][ T7704] netlink_unicast+0x449/0x710 [18263.969918][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.969918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.969918][ T7704] ___sys_sendmsg+0xee/0x170 [18263.969918][ T7704] __sys_sendmsg+0xcd/0x170 [18263.969918][ T7704] do_syscall_64+0xc6/0x1e0 [18263.969918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.969918][ T7704] [18263.972077][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18263.972077][ T7704] netdev_get_by_index+0x5e/0x80 [18263.972077][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.972077][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.972077][ T7704] ip6_route_add+0x1c/0x140 [18263.972077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18263.972077][ T7704] addrconf_add_dev+0xe2/0x170 [18263.972077][ T7704] inet6_addr_add+0x12f/0xa40 [18263.972077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.972077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.972077][ T7704] netlink_rcv_skb+0x130/0x360 [18263.972077][ T7704] netlink_unicast+0x449/0x710 [18263.972077][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.972077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.972077][ T7704] ___sys_sendmsg+0xee/0x170 [18263.972077][ T7704] __sys_sendmsg+0xcd/0x170 [18263.972077][ T7704] do_syscall_64+0xc6/0x1e0 [18263.972077][ T7704] [18263.974198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18263.974198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18263.974198][ T7704] ipv6_find_idev+0x102/0x170 [18263.974198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18263.974198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.974198][ T7704] netlink_rcv_skb+0x130/0x360 [18263.974198][ T7704] netlink_unicast+0x449/0x710 [18263.974198][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.974198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.974198][ T7704] ___sys_sendmsg+0xee/0x170 [18263.974198][ T7704] __sys_sendmsg+0xcd/0x170 [18263.974198][ T7704] do_syscall_64+0xc6/0x1e0 [18263.974198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.974198][ T7704] [18263.975919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18263.975919][ T7704] neigh_parms_alloc+0x1e5/0x510 [18263.975919][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18263.975919][ T7704] ipv6_find_idev+0x102/0x170 [18263.975919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18263.975919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.975919][ T7704] netlink_rcv_skb+0x130/0x360 [18263.975919][ T7704] netlink_unicast+0x449/0x710 [18263.975919][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.975919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.975919][ T7704] ___sys_sendmsg+0xee/0x170 [18263.975919][ T7704] __sys_sendmsg+0xcd/0x170 [18263.975919][ T7704] do_syscall_64+0xc6/0x1e0 [18263.975919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.975919][ T7704] [18274.198934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18274.199419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18274.199419][ T7704] netdev_get_by_index+0x5e/0x80 [18274.199419][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.199419][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.199419][ T7704] ip6_route_add+0x1c/0x140 [18274.199419][ T7704] addrconf_prefix_route+0x2a6/0x430 [18274.199419][ T7704] inet6_addr_add+0x4f8/0xa40 [18274.199419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.199419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.199419][ T7704] netlink_rcv_skb+0x130/0x360 [18274.199419][ T7704] netlink_unicast+0x449/0x710 [18274.199419][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.199419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.199419][ T7704] ___sys_sendmsg+0xee/0x170 [18274.199419][ T7704] __sys_sendmsg+0xcd/0x170 [18274.199419][ T7704] do_syscall_64+0xc6/0x1e0 [18274.199419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.199419][ T7704] [18274.201619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18274.201619][ T7704] netdev_get_by_index+0x5e/0x80 [18274.201619][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.201619][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.201619][ T7704] addrconf_f6i_alloc+0x315/0x560 [18274.201619][ T7704] ipv6_add_addr+0x411/0x2000 [18274.201619][ T7704] inet6_addr_add+0x30e/0xa40 [18274.201619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.201619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.201619][ T7704] netlink_rcv_skb+0x130/0x360 [18274.201619][ T7704] netlink_unicast+0x449/0x710 [18274.201619][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.201619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.201619][ T7704] ___sys_sendmsg+0xee/0x170 [18274.201619][ T7704] __sys_sendmsg+0xcd/0x170 [18274.201619][ T7704] do_syscall_64+0xc6/0x1e0 [18274.201619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.201619][ T7704] [18274.203852][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18274.203852][ T7704] netdev_get_by_index+0x5e/0x80 [18274.203852][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.203852][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.203852][ T7704] ip6_route_add+0x1c/0x140 [18274.203852][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18274.203852][ T7704] addrconf_add_dev+0xe2/0x170 [18274.203852][ T7704] inet6_addr_add+0x12f/0xa40 [18274.203852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.203852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.203852][ T7704] netlink_rcv_skb+0x130/0x360 [18274.203852][ T7704] netlink_unicast+0x449/0x710 [18274.203852][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.203852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.203852][ T7704] ___sys_sendmsg+0xee/0x170 [18274.203852][ T7704] __sys_sendmsg+0xcd/0x170 [18274.203852][ T7704] do_syscall_64+0xc6/0x1e0 [18274.203852][ T7704] [18274.206003][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18274.206003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18274.206003][ T7704] ipv6_find_idev+0x102/0x170 [18274.206003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18274.206003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.206003][ T7704] netlink_rcv_skb+0x130/0x360 [18274.206003][ T7704] netlink_unicast+0x449/0x710 [18274.206003][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.206003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.206003][ T7704] ___sys_sendmsg+0xee/0x170 [18274.206003][ T7704] __sys_sendmsg+0xcd/0x170 [18274.206003][ T7704] do_syscall_64+0xc6/0x1e0 [18274.206003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.206003][ T7704] [18274.207669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18274.207669][ T7704] neigh_parms_alloc+0x1e5/0x510 [18274.207669][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18274.207669][ T7704] ipv6_find_idev+0x102/0x170 [18274.207669][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18274.207669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.207669][ T7704] netlink_rcv_skb+0x130/0x360 [18274.207669][ T7704] netlink_unicast+0x449/0x710 [18274.207669][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.207669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.207669][ T7704] ___sys_sendmsg+0xee/0x170 [18274.207669][ T7704] __sys_sendmsg+0xcd/0x170 [18274.207669][ T7704] do_syscall_64+0xc6/0x1e0 [18274.207669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.207669][ T7704] [18284.446960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18284.447438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18284.447438][ T7704] netdev_get_by_index+0x5e/0x80 [18284.447438][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.447438][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.447438][ T7704] ip6_route_add+0x1c/0x140 [18284.447438][ T7704] addrconf_prefix_route+0x2a6/0x430 [18284.447438][ T7704] inet6_addr_add+0x4f8/0xa40 [18284.447438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.447438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.447438][ T7704] netlink_rcv_skb+0x130/0x360 [18284.447438][ T7704] netlink_unicast+0x449/0x710 [18284.447438][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.447438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.447438][ T7704] ___sys_sendmsg+0xee/0x170 [18284.447438][ T7704] __sys_sendmsg+0xcd/0x170 [18284.447438][ T7704] do_syscall_64+0xc6/0x1e0 [18284.447438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.447438][ T7704] [18284.449677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18284.449677][ T7704] netdev_get_by_index+0x5e/0x80 [18284.449677][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.449677][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.449677][ T7704] addrconf_f6i_alloc+0x315/0x560 [18284.449677][ T7704] ipv6_add_addr+0x411/0x2000 [18284.449677][ T7704] inet6_addr_add+0x30e/0xa40 [18284.449677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.449677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.449677][ T7704] netlink_rcv_skb+0x130/0x360 [18284.449677][ T7704] netlink_unicast+0x449/0x710 [18284.449677][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.449677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.449677][ T7704] ___sys_sendmsg+0xee/0x170 [18284.449677][ T7704] __sys_sendmsg+0xcd/0x170 [18284.449677][ T7704] do_syscall_64+0xc6/0x1e0 [18284.449677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.449677][ T7704] [18284.451890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18284.451890][ T7704] netdev_get_by_index+0x5e/0x80 [18284.451890][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.451890][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.451890][ T7704] ip6_route_add+0x1c/0x140 [18284.451890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18284.451890][ T7704] addrconf_add_dev+0xe2/0x170 [18284.451890][ T7704] inet6_addr_add+0x12f/0xa40 [18284.451890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.451890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.451890][ T7704] netlink_rcv_skb+0x130/0x360 [18284.451890][ T7704] netlink_unicast+0x449/0x710 [18284.451890][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.451890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.451890][ T7704] ___sys_sendmsg+0xee/0x170 [18284.451890][ T7704] __sys_sendmsg+0xcd/0x170 [18284.451890][ T7704] do_syscall_64+0xc6/0x1e0 [18284.451890][ T7704] [18284.454071][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18284.454071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18284.454071][ T7704] ipv6_find_idev+0x102/0x170 [18284.454071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18284.454071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.454071][ T7704] netlink_rcv_skb+0x130/0x360 [18284.454071][ T7704] netlink_unicast+0x449/0x710 [18284.454071][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.454071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.454071][ T7704] ___sys_sendmsg+0xee/0x170 [18284.454071][ T7704] __sys_sendmsg+0xcd/0x170 [18284.454071][ T7704] do_syscall_64+0xc6/0x1e0 [18284.454071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.454071][ T7704] [18284.455787][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18284.455787][ T7704] neigh_parms_alloc+0x1e5/0x510 [18284.455787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18284.455787][ T7704] ipv6_find_idev+0x102/0x170 [18284.455787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18284.455787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.455787][ T7704] netlink_rcv_skb+0x130/0x360 [18284.455787][ T7704] netlink_unicast+0x449/0x710 [18284.455787][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.455787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.455787][ T7704] ___sys_sendmsg+0xee/0x170 [18284.455787][ T7704] __sys_sendmsg+0xcd/0x170 [18284.455787][ T7704] do_syscall_64+0xc6/0x1e0 [18284.455787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.455787][ T7704] [18294.694964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18294.695465][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18294.695465][ T7704] netdev_get_by_index+0x5e/0x80 [18294.695465][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.695465][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.695465][ T7704] ip6_route_add+0x1c/0x140 [18294.695465][ T7704] addrconf_prefix_route+0x2a6/0x430 [18294.695465][ T7704] inet6_addr_add+0x4f8/0xa40 [18294.695465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.695465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.695465][ T7704] netlink_rcv_skb+0x130/0x360 [18294.695465][ T7704] netlink_unicast+0x449/0x710 [18294.695465][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.695465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.695465][ T7704] ___sys_sendmsg+0xee/0x170 [18294.695465][ T7704] __sys_sendmsg+0xcd/0x170 [18294.695465][ T7704] do_syscall_64+0xc6/0x1e0 [18294.695465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.695465][ T7704] [18294.697735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18294.697735][ T7704] netdev_get_by_index+0x5e/0x80 [18294.697735][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.697735][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.697735][ T7704] addrconf_f6i_alloc+0x315/0x560 [18294.697735][ T7704] ipv6_add_addr+0x411/0x2000 [18294.697735][ T7704] inet6_addr_add+0x30e/0xa40 [18294.697735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.697735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.697735][ T7704] netlink_rcv_skb+0x130/0x360 [18294.697735][ T7704] netlink_unicast+0x449/0x710 [18294.697735][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.697735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.697735][ T7704] ___sys_sendmsg+0xee/0x170 [18294.697735][ T7704] __sys_sendmsg+0xcd/0x170 [18294.697735][ T7704] do_syscall_64+0xc6/0x1e0 [18294.697735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.697735][ T7704] [18294.699988][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18294.699988][ T7704] netdev_get_by_index+0x5e/0x80 [18294.699988][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.699988][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.699988][ T7704] ip6_route_add+0x1c/0x140 [18294.699988][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18294.699988][ T7704] addrconf_add_dev+0xe2/0x170 [18294.699988][ T7704] inet6_addr_add+0x12f/0xa40 [18294.699988][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.699988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.699988][ T7704] netlink_rcv_skb+0x130/0x360 [18294.699988][ T7704] netlink_unicast+0x449/0x710 [18294.699988][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.699988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.699988][ T7704] ___sys_sendmsg+0xee/0x170 [18294.699988][ T7704] __sys_sendmsg+0xcd/0x170 [18294.699988][ T7704] do_syscall_64+0xc6/0x1e0 [18294.699988][ T7704] [18294.702198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18294.702198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18294.702198][ T7704] ipv6_find_idev+0x102/0x170 [18294.702198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18294.702198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.702198][ T7704] netlink_rcv_skb+0x130/0x360 [18294.702198][ T7704] netlink_unicast+0x449/0x710 [18294.702198][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.702198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.702198][ T7704] ___sys_sendmsg+0xee/0x170 [18294.702198][ T7704] __sys_sendmsg+0xcd/0x170 [18294.702198][ T7704] do_syscall_64+0xc6/0x1e0 [18294.702198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.702198][ T7704] [18294.703928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18294.703928][ T7704] neigh_parms_alloc+0x1e5/0x510 [18294.703928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18294.703928][ T7704] ipv6_find_idev+0x102/0x170 [18294.703928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18294.703928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.703928][ T7704] netlink_rcv_skb+0x130/0x360 [18294.703928][ T7704] netlink_unicast+0x449/0x710 [18294.703928][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.703928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.703928][ T7704] ___sys_sendmsg+0xee/0x170 [18294.703928][ T7704] __sys_sendmsg+0xcd/0x170 [18294.703928][ T7704] do_syscall_64+0xc6/0x1e0 [18294.703928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.703928][ T7704] [18304.943020][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18304.944148][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18304.944148][ T7704] netdev_get_by_index+0x5e/0x80 [18304.944148][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.944148][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.944148][ T7704] ip6_route_add+0x1c/0x140 [18304.944148][ T7704] addrconf_prefix_route+0x2a6/0x430 [18304.944148][ T7704] inet6_addr_add+0x4f8/0xa40 [18304.944148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.944148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.944148][ T7704] netlink_rcv_skb+0x130/0x360 [18304.944148][ T7704] netlink_unicast+0x449/0x710 [18304.944148][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.944148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.944148][ T7704] ___sys_sendmsg+0xee/0x170 [18304.944148][ T7704] __sys_sendmsg+0xcd/0x170 [18304.944148][ T7704] do_syscall_64+0xc6/0x1e0 [18304.944148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.944148][ T7704] [18304.946475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18304.946475][ T7704] netdev_get_by_index+0x5e/0x80 [18304.946475][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.946475][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.946475][ T7704] addrconf_f6i_alloc+0x315/0x560 [18304.946475][ T7704] ipv6_add_addr+0x411/0x2000 [18304.946475][ T7704] inet6_addr_add+0x30e/0xa40 [18304.946475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.946475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.946475][ T7704] netlink_rcv_skb+0x130/0x360 [18304.946475][ T7704] netlink_unicast+0x449/0x710 [18304.946475][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.946475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.946475][ T7704] ___sys_sendmsg+0xee/0x170 [18304.946475][ T7704] __sys_sendmsg+0xcd/0x170 [18304.946475][ T7704] do_syscall_64+0xc6/0x1e0 [18304.946475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.946475][ T7704] [18304.948735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18304.948735][ T7704] netdev_get_by_index+0x5e/0x80 [18304.948735][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.948735][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.948735][ T7704] ip6_route_add+0x1c/0x140 [18304.948735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18304.948735][ T7704] addrconf_add_dev+0xe2/0x170 [18304.948735][ T7704] inet6_addr_add+0x12f/0xa40 [18304.948735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.948735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.948735][ T7704] netlink_rcv_skb+0x130/0x360 [18304.948735][ T7704] netlink_unicast+0x449/0x710 [18304.948735][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.948735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.948735][ T7704] ___sys_sendmsg+0xee/0x170 [18304.948735][ T7704] __sys_sendmsg+0xcd/0x170 [18304.948735][ T7704] do_syscall_64+0xc6/0x1e0 [18304.948735][ T7704] [18304.950969][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18304.950969][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18304.950969][ T7704] ipv6_find_idev+0x102/0x170 [18304.950969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18304.950969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.950969][ T7704] netlink_rcv_skb+0x130/0x360 [18304.950969][ T7704] netlink_unicast+0x449/0x710 [18304.950969][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.950969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.950969][ T7704] ___sys_sendmsg+0xee/0x170 [18304.950969][ T7704] __sys_sendmsg+0xcd/0x170 [18304.950969][ T7704] do_syscall_64+0xc6/0x1e0 [18304.950969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.950969][ T7704] [18304.953219][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18304.953219][ T7704] neigh_parms_alloc+0x1e5/0x510 [18304.953219][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18304.953219][ T7704] ipv6_find_idev+0x102/0x170 [18304.953219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18304.953219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.953219][ T7704] netlink_rcv_skb+0x130/0x360 [18304.953219][ T7704] netlink_unicast+0x449/0x710 [18304.953219][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.953219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.953219][ T7704] ___sys_sendmsg+0xee/0x170 [18304.953219][ T7704] __sys_sendmsg+0xcd/0x170 [18304.953219][ T7704] do_syscall_64+0xc6/0x1e0 [18304.953219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.953219][ T7704] [18315.191033][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18315.191967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18315.191967][ T7704] netdev_get_by_index+0x5e/0x80 [18315.191967][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.191967][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.191967][ T7704] ip6_route_add+0x1c/0x140 [18315.191967][ T7704] addrconf_prefix_route+0x2a6/0x430 [18315.191967][ T7704] inet6_addr_add+0x4f8/0xa40 [18315.191967][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.191967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.191967][ T7704] netlink_rcv_skb+0x130/0x360 [18315.191967][ T7704] netlink_unicast+0x449/0x710 [18315.191967][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.191967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.191967][ T7704] ___sys_sendmsg+0xee/0x170 [18315.191967][ T7704] __sys_sendmsg+0xcd/0x170 [18315.191967][ T7704] do_syscall_64+0xc6/0x1e0 [18315.191967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.191967][ T7704] [18315.194209][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18315.194209][ T7704] netdev_get_by_index+0x5e/0x80 [18315.194209][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.194209][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.194209][ T7704] addrconf_f6i_alloc+0x315/0x560 [18315.194209][ T7704] ipv6_add_addr+0x411/0x2000 [18315.194209][ T7704] inet6_addr_add+0x30e/0xa40 [18315.194209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.194209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.194209][ T7704] netlink_rcv_skb+0x130/0x360 [18315.194209][ T7704] netlink_unicast+0x449/0x710 [18315.194209][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.194209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.194209][ T7704] ___sys_sendmsg+0xee/0x170 [18315.194209][ T7704] __sys_sendmsg+0xcd/0x170 [18315.194209][ T7704] do_syscall_64+0xc6/0x1e0 [18315.194209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.194209][ T7704] [18315.196776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18315.196776][ T7704] netdev_get_by_index+0x5e/0x80 [18315.196776][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.196776][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.196776][ T7704] ip6_route_add+0x1c/0x140 [18315.196776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18315.196776][ T7704] addrconf_add_dev+0xe2/0x170 [18315.196776][ T7704] inet6_addr_add+0x12f/0xa40 [18315.196776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.196776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.196776][ T7704] netlink_rcv_skb+0x130/0x360 [18315.196776][ T7704] netlink_unicast+0x449/0x710 [18315.196776][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.196776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.196776][ T7704] ___sys_sendmsg+0xee/0x170 [18315.196776][ T7704] __sys_sendmsg+0xcd/0x170 [18315.196776][ T7704] do_syscall_64+0xc6/0x1e0 [18315.196776][ T7704] [18315.198908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18315.198908][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18315.198908][ T7704] ipv6_find_idev+0x102/0x170 [18315.198908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18315.198908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.198908][ T7704] netlink_rcv_skb+0x130/0x360 [18315.198908][ T7704] netlink_unicast+0x449/0x710 [18315.198908][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.198908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.198908][ T7704] ___sys_sendmsg+0xee/0x170 [18315.198908][ T7704] __sys_sendmsg+0xcd/0x170 [18315.198908][ T7704] do_syscall_64+0xc6/0x1e0 [18315.198908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.198908][ T7704] [18315.201076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18315.201076][ T7704] neigh_parms_alloc+0x1e5/0x510 [18315.201076][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18315.201076][ T7704] ipv6_find_idev+0x102/0x170 [18315.201076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18315.201076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.201076][ T7704] netlink_rcv_skb+0x130/0x360 [18315.201076][ T7704] netlink_unicast+0x449/0x710 [18315.201076][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.201076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.201076][ T7704] ___sys_sendmsg+0xee/0x170 [18315.201076][ T7704] __sys_sendmsg+0xcd/0x170 [18315.201076][ T7704] do_syscall_64+0xc6/0x1e0 [18315.201076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.201076][ T7704] [18325.327000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18325.327956][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18325.327956][ T7704] netdev_get_by_index+0x5e/0x80 [18325.327956][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.327956][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.327956][ T7704] ip6_route_add+0x1c/0x140 [18325.327956][ T7704] addrconf_prefix_route+0x2a6/0x430 [18325.327956][ T7704] inet6_addr_add+0x4f8/0xa40 [18325.327956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.327956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.327956][ T7704] netlink_rcv_skb+0x130/0x360 [18325.327956][ T7704] netlink_unicast+0x449/0x710 [18325.327956][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.327956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.327956][ T7704] ___sys_sendmsg+0xee/0x170 [18325.327956][ T7704] __sys_sendmsg+0xcd/0x170 [18325.327956][ T7704] do_syscall_64+0xc6/0x1e0 [18325.327956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.327956][ T7704] [18325.330179][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18325.330179][ T7704] netdev_get_by_index+0x5e/0x80 [18325.330179][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.330179][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.330179][ T7704] addrconf_f6i_alloc+0x315/0x560 [18325.330179][ T7704] ipv6_add_addr+0x411/0x2000 [18325.330179][ T7704] inet6_addr_add+0x30e/0xa40 [18325.330179][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.330179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.330179][ T7704] netlink_rcv_skb+0x130/0x360 [18325.330179][ T7704] netlink_unicast+0x449/0x710 [18325.330179][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.330179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.330179][ T7704] ___sys_sendmsg+0xee/0x170 [18325.330179][ T7704] __sys_sendmsg+0xcd/0x170 [18325.330179][ T7704] do_syscall_64+0xc6/0x1e0 [18325.330179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.330179][ T7704] [18325.332417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18325.332417][ T7704] netdev_get_by_index+0x5e/0x80 [18325.332417][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.332417][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.332417][ T7704] ip6_route_add+0x1c/0x140 [18325.332417][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18325.332417][ T7704] addrconf_add_dev+0xe2/0x170 [18325.332417][ T7704] inet6_addr_add+0x12f/0xa40 [18325.332417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.332417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.332417][ T7704] netlink_rcv_skb+0x130/0x360 [18325.332417][ T7704] netlink_unicast+0x449/0x710 [18325.332417][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.332417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.332417][ T7704] ___sys_sendmsg+0xee/0x170 [18325.332417][ T7704] __sys_sendmsg+0xcd/0x170 [18325.332417][ T7704] do_syscall_64+0xc6/0x1e0 [18325.332417][ T7704] [18325.334582][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18325.334582][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18325.334582][ T7704] ipv6_find_idev+0x102/0x170 [18325.334582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18325.334582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.334582][ T7704] netlink_rcv_skb+0x130/0x360 [18325.334582][ T7704] netlink_unicast+0x449/0x710 [18325.334582][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.334582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.334582][ T7704] ___sys_sendmsg+0xee/0x170 [18325.334582][ T7704] __sys_sendmsg+0xcd/0x170 [18325.334582][ T7704] do_syscall_64+0xc6/0x1e0 [18325.334582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.334582][ T7704] [18325.336305][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18325.336305][ T7704] neigh_parms_alloc+0x1e5/0x510 [18325.336305][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18325.336305][ T7704] ipv6_find_idev+0x102/0x170 [18325.336305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18325.336305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.336305][ T7704] netlink_rcv_skb+0x130/0x360 [18325.336305][ T7704] netlink_unicast+0x449/0x710 [18325.336305][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.336305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.336305][ T7704] ___sys_sendmsg+0xee/0x170 [18325.336305][ T7704] __sys_sendmsg+0xcd/0x170 [18325.336305][ T7704] do_syscall_64+0xc6/0x1e0 [18325.336305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.336305][ T7704] [18335.574928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18335.575431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18335.575431][ T7704] netdev_get_by_index+0x5e/0x80 [18335.575431][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.575431][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.575431][ T7704] ip6_route_add+0x1c/0x140 [18335.575431][ T7704] addrconf_prefix_route+0x2a6/0x430 [18335.575431][ T7704] inet6_addr_add+0x4f8/0xa40 [18335.575431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.575431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.575431][ T7704] netlink_rcv_skb+0x130/0x360 [18335.575431][ T7704] netlink_unicast+0x449/0x710 [18335.575431][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.575431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.575431][ T7704] ___sys_sendmsg+0xee/0x170 [18335.575431][ T7704] __sys_sendmsg+0xcd/0x170 [18335.575431][ T7704] do_syscall_64+0xc6/0x1e0 [18335.575431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.575431][ T7704] [18335.577683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18335.577683][ T7704] netdev_get_by_index+0x5e/0x80 [18335.577683][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.577683][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.577683][ T7704] addrconf_f6i_alloc+0x315/0x560 [18335.577683][ T7704] ipv6_add_addr+0x411/0x2000 [18335.577683][ T7704] inet6_addr_add+0x30e/0xa40 [18335.577683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.577683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.577683][ T7704] netlink_rcv_skb+0x130/0x360 [18335.577683][ T7704] netlink_unicast+0x449/0x710 [18335.577683][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.577683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.577683][ T7704] ___sys_sendmsg+0xee/0x170 [18335.577683][ T7704] __sys_sendmsg+0xcd/0x170 [18335.577683][ T7704] do_syscall_64+0xc6/0x1e0 [18335.577683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.577683][ T7704] [18335.579883][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18335.579883][ T7704] netdev_get_by_index+0x5e/0x80 [18335.579883][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.579883][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.579883][ T7704] ip6_route_add+0x1c/0x140 [18335.579883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18335.579883][ T7704] addrconf_add_dev+0xe2/0x170 [18335.579883][ T7704] inet6_addr_add+0x12f/0xa40 [18335.579883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.579883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.579883][ T7704] netlink_rcv_skb+0x130/0x360 [18335.579883][ T7704] netlink_unicast+0x449/0x710 [18335.579883][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.579883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.579883][ T7704] ___sys_sendmsg+0xee/0x170 [18335.579883][ T7704] __sys_sendmsg+0xcd/0x170 [18335.579883][ T7704] do_syscall_64+0xc6/0x1e0 [18335.579883][ T7704] [18335.582036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18335.582036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18335.582036][ T7704] ipv6_find_idev+0x102/0x170 [18335.582036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18335.582036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.582036][ T7704] netlink_rcv_skb+0x130/0x360 [18335.582036][ T7704] netlink_unicast+0x449/0x710 [18335.582036][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.582036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.582036][ T7704] ___sys_sendmsg+0xee/0x170 [18335.582036][ T7704] __sys_sendmsg+0xcd/0x170 [18335.582036][ T7704] do_syscall_64+0xc6/0x1e0 [18335.582036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.582036][ T7704] [18335.584222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18335.584222][ T7704] neigh_parms_alloc+0x1e5/0x510 [18335.584222][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18335.584222][ T7704] ipv6_find_idev+0x102/0x170 [18335.584222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18335.584222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.584222][ T7704] netlink_rcv_skb+0x130/0x360 [18335.584222][ T7704] netlink_unicast+0x449/0x710 [18335.584222][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.584222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.584222][ T7704] ___sys_sendmsg+0xee/0x170 [18335.584222][ T7704] __sys_sendmsg+0xcd/0x170 [18335.584222][ T7704] do_syscall_64+0xc6/0x1e0 [18335.584222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.584222][ T7704] [18345.823011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18345.823938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18345.823938][ T7704] netdev_get_by_index+0x5e/0x80 [18345.823938][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.823938][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.823938][ T7704] ip6_route_add+0x1c/0x140 [18345.823938][ T7704] addrconf_prefix_route+0x2a6/0x430 [18345.823938][ T7704] inet6_addr_add+0x4f8/0xa40 [18345.823938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.823938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.823938][ T7704] netlink_rcv_skb+0x130/0x360 [18345.823938][ T7704] netlink_unicast+0x449/0x710 [18345.823938][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.823938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.823938][ T7704] ___sys_sendmsg+0xee/0x170 [18345.823938][ T7704] __sys_sendmsg+0xcd/0x170 [18345.823938][ T7704] do_syscall_64+0xc6/0x1e0 [18345.823938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.823938][ T7704] [18345.826142][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18345.826142][ T7704] netdev_get_by_index+0x5e/0x80 [18345.826142][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.826142][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.826142][ T7704] addrconf_f6i_alloc+0x315/0x560 [18345.826142][ T7704] ipv6_add_addr+0x411/0x2000 [18345.826142][ T7704] inet6_addr_add+0x30e/0xa40 [18345.826142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.826142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.826142][ T7704] netlink_rcv_skb+0x130/0x360 [18345.826142][ T7704] netlink_unicast+0x449/0x710 [18345.826142][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.826142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.826142][ T7704] ___sys_sendmsg+0xee/0x170 [18345.826142][ T7704] __sys_sendmsg+0xcd/0x170 [18345.826142][ T7704] do_syscall_64+0xc6/0x1e0 [18345.826142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.826142][ T7704] [18345.828519][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18345.828519][ T7704] netdev_get_by_index+0x5e/0x80 [18345.828519][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.828519][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.828519][ T7704] ip6_route_add+0x1c/0x140 [18345.828519][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18345.828519][ T7704] addrconf_add_dev+0xe2/0x170 [18345.828519][ T7704] inet6_addr_add+0x12f/0xa40 [18345.828519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.828519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.828519][ T7704] netlink_rcv_skb+0x130/0x360 [18345.828519][ T7704] netlink_unicast+0x449/0x710 [18345.828519][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.828519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.828519][ T7704] ___sys_sendmsg+0xee/0x170 [18345.828519][ T7704] __sys_sendmsg+0xcd/0x170 [18345.828519][ T7704] do_syscall_64+0xc6/0x1e0 [18345.828519][ T7704] [18345.831194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18345.831194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18345.831194][ T7704] ipv6_find_idev+0x102/0x170 [18345.831194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18345.831194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.831194][ T7704] netlink_rcv_skb+0x130/0x360 [18345.831194][ T7704] netlink_unicast+0x449/0x710 [18345.831194][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.831194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.831194][ T7704] ___sys_sendmsg+0xee/0x170 [18345.831194][ T7704] __sys_sendmsg+0xcd/0x170 [18345.831194][ T7704] do_syscall_64+0xc6/0x1e0 [18345.831194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.831194][ T7704] [18345.833310][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18345.833310][ T7704] neigh_parms_alloc+0x1e5/0x510 [18345.833310][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18345.833310][ T7704] ipv6_find_idev+0x102/0x170 [18345.833310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18345.833310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.833310][ T7704] netlink_rcv_skb+0x130/0x360 [18345.833310][ T7704] netlink_unicast+0x449/0x710 [18345.833310][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.833310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.833310][ T7704] ___sys_sendmsg+0xee/0x170 [18345.833310][ T7704] __sys_sendmsg+0xcd/0x170 [18345.833310][ T7704] do_syscall_64+0xc6/0x1e0 [18345.833310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.833310][ T7704] [18356.070978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18356.071427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18356.071427][ T7704] netdev_get_by_index+0x5e/0x80 [18356.071427][ T7704] fib6_nh_init+0x3d8/0x15b0 [18356.071427][ T7704] ip6_route_info_create+0xf18/0x17d0 [18356.071427][ T7704] ip6_route_add+0x1c/0x140 [18356.071427][ T7704] addrconf_prefix_route+0x2a6/0x430 [18356.071427][ T7704] inet6_addr_add+0x4f8/0xa40 [18356.071427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18356.071427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18356.071427][ T7704] netlink_rcv_skb+0x130/0x360 [18356.071427][ T7704] netlink_unicast+0x449/0x710 [18356.071427][ T7704] netlink_sendmsg+0x723/0xbe0 [18356.071427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18356.071427][ T7704] ___sys_sendmsg+0xee/0x170 [18356.071427][ T7704] __sys_sendmsg+0xcd/0x170 [18356.071427][ T7704] do_syscall_64+0xc6/0x1e0 [18356.071427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18356.071427][ T7704] [18356.073726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18356.073726][ T7704] netdev_get_by_index+0x5e/0x80 [18356.073726][ T7704] fib6_nh_init+0x3d8/0x15b0 [18356.073726][ T7704] ip6_route_info_create+0xf18/0x17d0 [18356.073726][ T7704] addrconf_f6i_alloc+0x315/0x560 [18356.073726][ T7704] ipv6_add_addr+0x411/0x2000 [18356.073726][ T7704] inet6_addr_add+0x30e/0xa40 [18356.073726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18356.073726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18356.073726][ T7704] netlink_rcv_skb+0x130/0x360 [18356.073726][ T7704] netlink_unicast+0x449/0x710 [18356.073726][ T7704] netlink_sendmsg+0x723/0xbe0 [18356.073726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18356.073726][ T7704] ___sys_sendmsg+0xee/0x170 [18356.073726][ T7704] __sys_sendmsg+0xcd/0x170 [18356.073726][ T7704] do_syscall_64+0xc6/0x1e0 [18356.073726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18356.073726][ T7704] [18356.076043][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18356.076043][ T7704] netdev_get_by_index+0x5e/0x80 [18356.076043][ T7704] fib6_nh_init+0x3d8/0x15b0 [18356.076043][ T7704] ip6_route_info_create+0xf18/0x17d0 [18356.076043][ T7704] ip6_route_add+0x1c/0x140 [18356.076043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18356.076043][ T7704] addrconf_add_dev+0xe2/0x170 [18356.076043][ T7704] inet6_addr_add+0x12f/0xa40 [18356.076043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18356.076043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18356.076043][ T7704] netlink_rcv_skb+0x130/0x360 [18356.076043][ T7704] netlink_unicast+0x449/0x710 [18356.076043][ T7704] netlink_sendmsg+0x723/0xbe0 [18356.076043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18356.076043][ T7704] ___sys_sendmsg+0xee/0x170 [18356.076043][ T7704] __sys_sendmsg+0xcd/0x170 [18356.076043][ T7704] do_syscall_64+0xc6/0x1e0 [18356.076043][ T7704] [18356.078273][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18356.078273][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18356.078273][ T7704] ipv6_find_idev+0x102/0x170 [18356.078273][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18356.078273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18356.078273][ T7704] netlink_rcv_skb+0x130/0x360 [18356.078273][ T7704] netlink_unicast+0x449/0x710 [18356.078273][ T7704] netlink_sendmsg+0x723/0xbe0 [18356.078273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18356.078273][ T7704] ___sys_sendmsg+0xee/0x170 [18356.078273][ T7704] __sys_sendmsg+0xcd/0x170 [18356.078273][ T7704] do_syscall_64+0xc6/0x1e0 [18356.078273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18356.078273][ T7704] [18356.080026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18356.080026][ T7704] neigh_parms_alloc+0x1e5/0x510 [18356.080026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18356.080026][ T7704] ipv6_find_idev+0x102/0x170 [18356.080026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18356.080026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18356.080026][ T7704] netlink_rcv_skb+0x130/0x360 [18356.080026][ T7704] netlink_unicast+0x449/0x710 [18356.080026][ T7704] netlink_sendmsg+0x723/0xbe0 [18356.080026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18356.080026][ T7704] ___sys_sendmsg+0xee/0x170 [18356.080026][ T7704] __sys_sendmsg+0xcd/0x170 [18356.080026][ T7704] do_syscall_64+0xc6/0x1e0 [18356.080026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18356.080026][ T7704] [18366.119024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18366.119744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18366.119744][ T7704] netdev_get_by_index+0x5e/0x80 [18366.119744][ T7704] fib6_nh_init+0x3d8/0x15b0 [18366.119744][ T7704] ip6_route_info_create+0xf18/0x17d0 [18366.119744][ T7704] ip6_route_add+0x1c/0x140 [18366.119744][ T7704] addrconf_prefix_route+0x2a6/0x430 [18366.119744][ T7704] inet6_addr_add+0x4f8/0xa40 [18366.119744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18366.119744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18366.119744][ T7704] netlink_rcv_skb+0x130/0x360 [18366.119744][ T7704] netlink_unicast+0x449/0x710 [18366.119744][ T7704] netlink_sendmsg+0x723/0xbe0 [18366.119744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18366.119744][ T7704] ___sys_sendmsg+0xee/0x170 [18366.119744][ T7704] __sys_sendmsg+0xcd/0x170 [18366.119744][ T7704] do_syscall_64+0xc6/0x1e0 [18366.119744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18366.119744][ T7704] [18366.121959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18366.121959][ T7704] netdev_get_by_index+0x5e/0x80 [18366.121959][ T7704] fib6_nh_init+0x3d8/0x15b0 [18366.121959][ T7704] ip6_route_info_create+0xf18/0x17d0 [18366.121959][ T7704] addrconf_f6i_alloc+0x315/0x560 [18366.121959][ T7704] ipv6_add_addr+0x411/0x2000 [18366.121959][ T7704] inet6_addr_add+0x30e/0xa40 [18366.121959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18366.121959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18366.121959][ T7704] netlink_rcv_skb+0x130/0x360 [18366.121959][ T7704] netlink_unicast+0x449/0x710 [18366.121959][ T7704] netlink_sendmsg+0x723/0xbe0 [18366.121959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18366.121959][ T7704] ___sys_sendmsg+0xee/0x170 [18366.121959][ T7704] __sys_sendmsg+0xcd/0x170 [18366.121959][ T7704] do_syscall_64+0xc6/0x1e0 [18366.121959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18366.121959][ T7704] [18366.124076][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18366.124076][ T7704] netdev_get_by_index+0x5e/0x80 [18366.124076][ T7704] fib6_nh_init+0x3d8/0x15b0 [18366.124076][ T7704] ip6_route_info_create+0xf18/0x17d0 [18366.124076][ T7704] ip6_route_add+0x1c/0x140 [18366.124076][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18366.124076][ T7704] addrconf_add_dev+0xe2/0x170 [18366.124076][ T7704] inet6_addr_add+0x12f/0xa40 [18366.124076][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18366.124076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18366.124076][ T7704] netlink_rcv_skb+0x130/0x360 [18366.124076][ T7704] netlink_unicast+0x449/0x710 [18366.124076][ T7704] netlink_sendmsg+0x723/0xbe0 [18366.124076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18366.124076][ T7704] ___sys_sendmsg+0xee/0x170 [18366.124076][ T7704] __sys_sendmsg+0xcd/0x170 [18366.124076][ T7704] do_syscall_64+0xc6/0x1e0 [18366.124076][ T7704] [18366.126188][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18366.126188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18366.126188][ T7704] ipv6_find_idev+0x102/0x170 [18366.126188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18366.126188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18366.126188][ T7704] netlink_rcv_skb+0x130/0x360 [18366.126188][ T7704] netlink_unicast+0x449/0x710 [18366.126188][ T7704] netlink_sendmsg+0x723/0xbe0 [18366.126188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18366.126188][ T7704] ___sys_sendmsg+0xee/0x170 [18366.126188][ T7704] __sys_sendmsg+0xcd/0x170 [18366.126188][ T7704] do_syscall_64+0xc6/0x1e0 [18366.126188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18366.126188][ T7704] [18366.127869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18366.127869][ T7704] neigh_parms_alloc+0x1e5/0x510 [18366.127869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18366.127869][ T7704] ipv6_find_idev+0x102/0x170 [18366.127869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18366.127869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18366.127869][ T7704] netlink_rcv_skb+0x130/0x360 [18366.127869][ T7704] netlink_unicast+0x449/0x710 [18366.127869][ T7704] netlink_sendmsg+0x723/0xbe0 [18366.127869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18366.127869][ T7704] ___sys_sendmsg+0xee/0x170 [18366.127869][ T7704] __sys_sendmsg+0xcd/0x170 [18366.127869][ T7704] do_syscall_64+0xc6/0x1e0 [18366.127869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18366.127869][ T7704] [18376.374932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18376.375444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18376.375444][ T7704] netdev_get_by_index+0x5e/0x80 [18376.375444][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.375444][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.375444][ T7704] ip6_route_add+0x1c/0x140 [18376.375444][ T7704] addrconf_prefix_route+0x2a6/0x430 [18376.375444][ T7704] inet6_addr_add+0x4f8/0xa40 [18376.375444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.375444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.375444][ T7704] netlink_rcv_skb+0x130/0x360 [18376.375444][ T7704] netlink_unicast+0x449/0x710 [18376.375444][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.375444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.375444][ T7704] ___sys_sendmsg+0xee/0x170 [18376.375444][ T7704] __sys_sendmsg+0xcd/0x170 [18376.375444][ T7704] do_syscall_64+0xc6/0x1e0 [18376.375444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.375444][ T7704] [18376.377569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18376.377569][ T7704] netdev_get_by_index+0x5e/0x80 [18376.377569][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.377569][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.377569][ T7704] addrconf_f6i_alloc+0x315/0x560 [18376.377569][ T7704] ipv6_add_addr+0x411/0x2000 [18376.377569][ T7704] inet6_addr_add+0x30e/0xa40 [18376.377569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.377569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.377569][ T7704] netlink_rcv_skb+0x130/0x360 [18376.377569][ T7704] netlink_unicast+0x449/0x710 [18376.377569][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.377569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.377569][ T7704] ___sys_sendmsg+0xee/0x170 [18376.377569][ T7704] __sys_sendmsg+0xcd/0x170 [18376.377569][ T7704] do_syscall_64+0xc6/0x1e0 [18376.377569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.377569][ T7704] [18376.379808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18376.379808][ T7704] netdev_get_by_index+0x5e/0x80 [18376.379808][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.379808][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.379808][ T7704] ip6_route_add+0x1c/0x140 [18376.379808][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18376.379808][ T7704] addrconf_add_dev+0xe2/0x170 [18376.379808][ T7704] inet6_addr_add+0x12f/0xa40 [18376.379808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.379808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.379808][ T7704] netlink_rcv_skb+0x130/0x360 [18376.379808][ T7704] netlink_unicast+0x449/0x710 [18376.379808][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.379808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.379808][ T7704] ___sys_sendmsg+0xee/0x170 [18376.379808][ T7704] __sys_sendmsg+0xcd/0x170 [18376.379808][ T7704] do_syscall_64+0xc6/0x1e0 [18376.379808][ T7704] [18376.381939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18376.381939][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18376.381939][ T7704] ipv6_find_idev+0x102/0x170 [18376.381939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18376.381939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.381939][ T7704] netlink_rcv_skb+0x130/0x360 [18376.381939][ T7704] netlink_unicast+0x449/0x710 [18376.381939][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.381939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.381939][ T7704] ___sys_sendmsg+0xee/0x170 [18376.381939][ T7704] __sys_sendmsg+0xcd/0x170 [18376.381939][ T7704] do_syscall_64+0xc6/0x1e0 [18376.381939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.381939][ T7704] [18376.383556][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18376.383556][ T7704] neigh_parms_alloc+0x1e5/0x510 [18376.383556][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18376.383556][ T7704] ipv6_find_idev+0x102/0x170 [18376.383556][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18376.383556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.383556][ T7704] netlink_rcv_skb+0x130/0x360 [18376.383556][ T7704] netlink_unicast+0x449/0x710 [18376.383556][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.383556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.383556][ T7704] ___sys_sendmsg+0xee/0x170 [18376.383556][ T7704] __sys_sendmsg+0xcd/0x170 [18376.383556][ T7704] do_syscall_64+0xc6/0x1e0 [18376.383556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.383556][ T7704] [18386.630952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18386.631386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18386.631386][ T7704] netdev_get_by_index+0x5e/0x80 [18386.631386][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.631386][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.631386][ T7704] ip6_route_add+0x1c/0x140 [18386.631386][ T7704] addrconf_prefix_route+0x2a6/0x430 [18386.631386][ T7704] inet6_addr_add+0x4f8/0xa40 [18386.631386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.631386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.631386][ T7704] netlink_rcv_skb+0x130/0x360 [18386.631386][ T7704] netlink_unicast+0x449/0x710 [18386.631386][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.631386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.631386][ T7704] ___sys_sendmsg+0xee/0x170 [18386.631386][ T7704] __sys_sendmsg+0xcd/0x170 [18386.631386][ T7704] do_syscall_64+0xc6/0x1e0 [18386.631386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.631386][ T7704] [18386.633686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18386.633686][ T7704] netdev_get_by_index+0x5e/0x80 [18386.633686][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.633686][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.633686][ T7704] addrconf_f6i_alloc+0x315/0x560 [18386.633686][ T7704] ipv6_add_addr+0x411/0x2000 [18386.633686][ T7704] inet6_addr_add+0x30e/0xa40 [18386.633686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.633686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.633686][ T7704] netlink_rcv_skb+0x130/0x360 [18386.633686][ T7704] netlink_unicast+0x449/0x710 [18386.633686][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.633686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.633686][ T7704] ___sys_sendmsg+0xee/0x170 [18386.633686][ T7704] __sys_sendmsg+0xcd/0x170 [18386.633686][ T7704] do_syscall_64+0xc6/0x1e0 [18386.633686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.633686][ T7704] [18386.635957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18386.635957][ T7704] netdev_get_by_index+0x5e/0x80 [18386.635957][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.635957][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.635957][ T7704] ip6_route_add+0x1c/0x140 [18386.635957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18386.635957][ T7704] addrconf_add_dev+0xe2/0x170 [18386.635957][ T7704] inet6_addr_add+0x12f/0xa40 [18386.635957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.635957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.635957][ T7704] netlink_rcv_skb+0x130/0x360 [18386.635957][ T7704] netlink_unicast+0x449/0x710 [18386.635957][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.635957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.635957][ T7704] ___sys_sendmsg+0xee/0x170 [18386.635957][ T7704] __sys_sendmsg+0xcd/0x170 [18386.635957][ T7704] do_syscall_64+0xc6/0x1e0 [18386.635957][ T7704] [18386.638335][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18386.638335][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18386.638335][ T7704] ipv6_find_idev+0x102/0x170 [18386.638335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18386.638335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.638335][ T7704] netlink_rcv_skb+0x130/0x360 [18386.638335][ T7704] netlink_unicast+0x449/0x710 [18386.638335][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.638335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.638335][ T7704] ___sys_sendmsg+0xee/0x170 [18386.638335][ T7704] __sys_sendmsg+0xcd/0x170 [18386.638335][ T7704] do_syscall_64+0xc6/0x1e0 [18386.638335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.638335][ T7704] [18386.640069][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18386.640069][ T7704] neigh_parms_alloc+0x1e5/0x510 [18386.640069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18386.640069][ T7704] ipv6_find_idev+0x102/0x170 [18386.640069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18386.640069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.640069][ T7704] netlink_rcv_skb+0x130/0x360 [18386.640069][ T7704] netlink_unicast+0x449/0x710 [18386.640069][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.640069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.640069][ T7704] ___sys_sendmsg+0xee/0x170 [18386.640069][ T7704] __sys_sendmsg+0xcd/0x170 [18386.640069][ T7704] do_syscall_64+0xc6/0x1e0 [18386.640069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.640069][ T7704] [18396.895011][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18396.895702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18396.895702][ T7704] netdev_get_by_index+0x5e/0x80 [18396.895702][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.895702][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.895702][ T7704] ip6_route_add+0x1c/0x140 [18396.895702][ T7704] addrconf_prefix_route+0x2a6/0x430 [18396.895702][ T7704] inet6_addr_add+0x4f8/0xa40 [18396.895702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.895702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.895702][ T7704] netlink_rcv_skb+0x130/0x360 [18396.895702][ T7704] netlink_unicast+0x449/0x710 [18396.895702][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.895702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.895702][ T7704] ___sys_sendmsg+0xee/0x170 [18396.895702][ T7704] __sys_sendmsg+0xcd/0x170 [18396.895702][ T7704] do_syscall_64+0xc6/0x1e0 [18396.895702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.895702][ T7704] [18396.897920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18396.897920][ T7704] netdev_get_by_index+0x5e/0x80 [18396.897920][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.897920][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.897920][ T7704] addrconf_f6i_alloc+0x315/0x560 [18396.897920][ T7704] ipv6_add_addr+0x411/0x2000 [18396.897920][ T7704] inet6_addr_add+0x30e/0xa40 [18396.897920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.897920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.897920][ T7704] netlink_rcv_skb+0x130/0x360 [18396.897920][ T7704] netlink_unicast+0x449/0x710 [18396.897920][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.897920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.897920][ T7704] ___sys_sendmsg+0xee/0x170 [18396.897920][ T7704] __sys_sendmsg+0xcd/0x170 [18396.897920][ T7704] do_syscall_64+0xc6/0x1e0 [18396.897920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.897920][ T7704] [18396.900119][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18396.900119][ T7704] netdev_get_by_index+0x5e/0x80 [18396.900119][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.900119][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.900119][ T7704] ip6_route_add+0x1c/0x140 [18396.900119][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18396.900119][ T7704] addrconf_add_dev+0xe2/0x170 [18396.900119][ T7704] inet6_addr_add+0x12f/0xa40 [18396.900119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.900119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.900119][ T7704] netlink_rcv_skb+0x130/0x360 [18396.900119][ T7704] netlink_unicast+0x449/0x710 [18396.900119][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.900119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.900119][ T7704] ___sys_sendmsg+0xee/0x170 [18396.900119][ T7704] __sys_sendmsg+0xcd/0x170 [18396.900119][ T7704] do_syscall_64+0xc6/0x1e0 [18396.900119][ T7704] [18396.902331][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18396.902331][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18396.902331][ T7704] ipv6_find_idev+0x102/0x170 [18396.902331][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18396.902331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.902331][ T7704] netlink_rcv_skb+0x130/0x360 [18396.902331][ T7704] netlink_unicast+0x449/0x710 [18396.902331][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.902331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.902331][ T7704] ___sys_sendmsg+0xee/0x170 [18396.902331][ T7704] __sys_sendmsg+0xcd/0x170 [18396.902331][ T7704] do_syscall_64+0xc6/0x1e0 [18396.902331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.902331][ T7704] [18396.904058][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18396.904058][ T7704] neigh_parms_alloc+0x1e5/0x510 [18396.904058][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18396.904058][ T7704] ipv6_find_idev+0x102/0x170 [18396.904058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18396.904058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.904058][ T7704] netlink_rcv_skb+0x130/0x360 [18396.904058][ T7704] netlink_unicast+0x449/0x710 [18396.904058][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.904058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.904058][ T7704] ___sys_sendmsg+0xee/0x170 [18396.904058][ T7704] __sys_sendmsg+0xcd/0x170 [18396.904058][ T7704] do_syscall_64+0xc6/0x1e0 [18396.904058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.904058][ T7704] [18406.983007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18406.983713][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18406.983713][ T7704] netdev_get_by_index+0x5e/0x80 [18406.983713][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.983713][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.983713][ T7704] ip6_route_add+0x1c/0x140 [18406.983713][ T7704] addrconf_prefix_route+0x2a6/0x430 [18406.983713][ T7704] inet6_addr_add+0x4f8/0xa40 [18406.983713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.983713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.983713][ T7704] netlink_rcv_skb+0x130/0x360 [18406.983713][ T7704] netlink_unicast+0x449/0x710 [18406.983713][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.983713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.983713][ T7704] ___sys_sendmsg+0xee/0x170 [18406.983713][ T7704] __sys_sendmsg+0xcd/0x170 [18406.983713][ T7704] do_syscall_64+0xc6/0x1e0 [18406.983713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.983713][ T7704] [18406.985859][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18406.985859][ T7704] netdev_get_by_index+0x5e/0x80 [18406.985859][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.985859][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.985859][ T7704] addrconf_f6i_alloc+0x315/0x560 [18406.985859][ T7704] ipv6_add_addr+0x411/0x2000 [18406.985859][ T7704] inet6_addr_add+0x30e/0xa40 [18406.985859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.985859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.985859][ T7704] netlink_rcv_skb+0x130/0x360 [18406.985859][ T7704] netlink_unicast+0x449/0x710 [18406.985859][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.985859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.985859][ T7704] ___sys_sendmsg+0xee/0x170 [18406.985859][ T7704] __sys_sendmsg+0xcd/0x170 [18406.985859][ T7704] do_syscall_64+0xc6/0x1e0 [18406.985859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.985859][ T7704] [18406.987955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18406.987955][ T7704] netdev_get_by_index+0x5e/0x80 [18406.987955][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.987955][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.987955][ T7704] ip6_route_add+0x1c/0x140 [18406.987955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18406.987955][ T7704] addrconf_add_dev+0xe2/0x170 [18406.987955][ T7704] inet6_addr_add+0x12f/0xa40 [18406.987955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.987955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.987955][ T7704] netlink_rcv_skb+0x130/0x360 [18406.987955][ T7704] netlink_unicast+0x449/0x710 [18406.987955][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.987955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.987955][ T7704] ___sys_sendmsg+0xee/0x170 [18406.987955][ T7704] __sys_sendmsg+0xcd/0x170 [18406.987955][ T7704] do_syscall_64+0xc6/0x1e0 [18406.987955][ T7704] [18406.990194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18406.990194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18406.990194][ T7704] ipv6_find_idev+0x102/0x170 [18406.990194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18406.990194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.990194][ T7704] netlink_rcv_skb+0x130/0x360 [18406.990194][ T7704] netlink_unicast+0x449/0x710 [18406.990194][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.990194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.990194][ T7704] ___sys_sendmsg+0xee/0x170 [18406.990194][ T7704] __sys_sendmsg+0xcd/0x170 [18406.990194][ T7704] do_syscall_64+0xc6/0x1e0 [18406.990194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.990194][ T7704] [18406.991888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18406.991888][ T7704] neigh_parms_alloc+0x1e5/0x510 [18406.991888][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18406.991888][ T7704] ipv6_find_idev+0x102/0x170 [18406.991888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18406.991888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.991888][ T7704] netlink_rcv_skb+0x130/0x360 [18406.991888][ T7704] netlink_unicast+0x449/0x710 [18406.991888][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.991888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.991888][ T7704] ___sys_sendmsg+0xee/0x170 [18406.991888][ T7704] __sys_sendmsg+0xcd/0x170 [18406.991888][ T7704] do_syscall_64+0xc6/0x1e0 [18406.991888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.991888][ T7704] [18417.230967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18417.231400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18417.231400][ T7704] netdev_get_by_index+0x5e/0x80 [18417.231400][ T7704] fib6_nh_init+0x3d8/0x15b0 [18417.231400][ T7704] ip6_route_info_create+0xf18/0x17d0 [18417.231400][ T7704] ip6_route_add+0x1c/0x140 [18417.231400][ T7704] addrconf_prefix_route+0x2a6/0x430 [18417.231400][ T7704] inet6_addr_add+0x4f8/0xa40 [18417.231400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18417.231400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18417.231400][ T7704] netlink_rcv_skb+0x130/0x360 [18417.231400][ T7704] netlink_unicast+0x449/0x710 [18417.231400][ T7704] netlink_sendmsg+0x723/0xbe0 [18417.231400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18417.231400][ T7704] ___sys_sendmsg+0xee/0x170 [18417.231400][ T7704] __sys_sendmsg+0xcd/0x170 [18417.231400][ T7704] do_syscall_64+0xc6/0x1e0 [18417.231400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18417.231400][ T7704] [18417.233686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18417.233686][ T7704] netdev_get_by_index+0x5e/0x80 [18417.233686][ T7704] fib6_nh_init+0x3d8/0x15b0 [18417.233686][ T7704] ip6_route_info_create+0xf18/0x17d0 [18417.233686][ T7704] addrconf_f6i_alloc+0x315/0x560 [18417.233686][ T7704] ipv6_add_addr+0x411/0x2000 [18417.233686][ T7704] inet6_addr_add+0x30e/0xa40 [18417.233686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18417.233686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18417.233686][ T7704] netlink_rcv_skb+0x130/0x360 [18417.233686][ T7704] netlink_unicast+0x449/0x710 [18417.233686][ T7704] netlink_sendmsg+0x723/0xbe0 [18417.233686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18417.233686][ T7704] ___sys_sendmsg+0xee/0x170 [18417.233686][ T7704] __sys_sendmsg+0xcd/0x170 [18417.233686][ T7704] do_syscall_64+0xc6/0x1e0 [18417.233686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18417.233686][ T7704] [18417.235949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18417.235949][ T7704] netdev_get_by_index+0x5e/0x80 [18417.235949][ T7704] fib6_nh_init+0x3d8/0x15b0 [18417.235949][ T7704] ip6_route_info_create+0xf18/0x17d0 [18417.235949][ T7704] ip6_route_add+0x1c/0x140 [18417.235949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18417.235949][ T7704] addrconf_add_dev+0xe2/0x170 [18417.235949][ T7704] inet6_addr_add+0x12f/0xa40 [18417.235949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18417.235949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18417.235949][ T7704] netlink_rcv_skb+0x130/0x360 [18417.235949][ T7704] netlink_unicast+0x449/0x710 [18417.235949][ T7704] netlink_sendmsg+0x723/0xbe0 [18417.235949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18417.235949][ T7704] ___sys_sendmsg+0xee/0x170 [18417.235949][ T7704] __sys_sendmsg+0xcd/0x170 [18417.235949][ T7704] do_syscall_64+0xc6/0x1e0 [18417.235949][ T7704] [18417.238161][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18417.238161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18417.238161][ T7704] ipv6_find_idev+0x102/0x170 [18417.238161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18417.238161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18417.238161][ T7704] netlink_rcv_skb+0x130/0x360 [18417.238161][ T7704] netlink_unicast+0x449/0x710 [18417.238161][ T7704] netlink_sendmsg+0x723/0xbe0 [18417.238161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18417.238161][ T7704] ___sys_sendmsg+0xee/0x170 [18417.238161][ T7704] __sys_sendmsg+0xcd/0x170 [18417.238161][ T7704] do_syscall_64+0xc6/0x1e0 [18417.238161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18417.238161][ T7704] [18417.239893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18417.239893][ T7704] neigh_parms_alloc+0x1e5/0x510 [18417.239893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18417.239893][ T7704] ipv6_find_idev+0x102/0x170 [18417.239893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18417.239893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18417.239893][ T7704] netlink_rcv_skb+0x130/0x360 [18417.239893][ T7704] netlink_unicast+0x449/0x710 [18417.239893][ T7704] netlink_sendmsg+0x723/0xbe0 [18417.239893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18417.239893][ T7704] ___sys_sendmsg+0xee/0x170 [18417.239893][ T7704] __sys_sendmsg+0xcd/0x170 [18417.239893][ T7704] do_syscall_64+0xc6/0x1e0 [18417.239893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18417.239893][ T7704] [18427.478963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18427.479403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18427.479403][ T7704] netdev_get_by_index+0x5e/0x80 [18427.479403][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.479403][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.479403][ T7704] ip6_route_add+0x1c/0x140 [18427.479403][ T7704] addrconf_prefix_route+0x2a6/0x430 [18427.479403][ T7704] inet6_addr_add+0x4f8/0xa40 [18427.479403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.479403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.479403][ T7704] netlink_rcv_skb+0x130/0x360 [18427.479403][ T7704] netlink_unicast+0x449/0x710 [18427.479403][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.479403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.479403][ T7704] ___sys_sendmsg+0xee/0x170 [18427.479403][ T7704] __sys_sendmsg+0xcd/0x170 [18427.479403][ T7704] do_syscall_64+0xc6/0x1e0 [18427.479403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.479403][ T7704] [18427.481698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18427.481698][ T7704] netdev_get_by_index+0x5e/0x80 [18427.481698][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.481698][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.481698][ T7704] addrconf_f6i_alloc+0x315/0x560 [18427.481698][ T7704] ipv6_add_addr+0x411/0x2000 [18427.481698][ T7704] inet6_addr_add+0x30e/0xa40 [18427.481698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.481698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.481698][ T7704] netlink_rcv_skb+0x130/0x360 [18427.481698][ T7704] netlink_unicast+0x449/0x710 [18427.481698][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.481698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.481698][ T7704] ___sys_sendmsg+0xee/0x170 [18427.481698][ T7704] __sys_sendmsg+0xcd/0x170 [18427.481698][ T7704] do_syscall_64+0xc6/0x1e0 [18427.481698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.481698][ T7704] [18427.483945][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18427.483945][ T7704] netdev_get_by_index+0x5e/0x80 [18427.483945][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.483945][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.483945][ T7704] ip6_route_add+0x1c/0x140 [18427.483945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18427.483945][ T7704] addrconf_add_dev+0xe2/0x170 [18427.483945][ T7704] inet6_addr_add+0x12f/0xa40 [18427.483945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.483945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.483945][ T7704] netlink_rcv_skb+0x130/0x360 [18427.483945][ T7704] netlink_unicast+0x449/0x710 [18427.483945][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.483945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.483945][ T7704] ___sys_sendmsg+0xee/0x170 [18427.483945][ T7704] __sys_sendmsg+0xcd/0x170 [18427.483945][ T7704] do_syscall_64+0xc6/0x1e0 [18427.483945][ T7704] [18427.486177][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18427.486177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18427.486177][ T7704] ipv6_find_idev+0x102/0x170 [18427.486177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18427.486177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.486177][ T7704] netlink_rcv_skb+0x130/0x360 [18427.486177][ T7704] netlink_unicast+0x449/0x710 [18427.486177][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.486177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.486177][ T7704] ___sys_sendmsg+0xee/0x170 [18427.486177][ T7704] __sys_sendmsg+0xcd/0x170 [18427.486177][ T7704] do_syscall_64+0xc6/0x1e0 [18427.486177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.486177][ T7704] [18427.487886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18427.487886][ T7704] neigh_parms_alloc+0x1e5/0x510 [18427.487886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18427.487886][ T7704] ipv6_find_idev+0x102/0x170 [18427.487886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18427.487886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.487886][ T7704] netlink_rcv_skb+0x130/0x360 [18427.487886][ T7704] netlink_unicast+0x449/0x710 [18427.487886][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.487886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.487886][ T7704] ___sys_sendmsg+0xee/0x170 [18427.487886][ T7704] __sys_sendmsg+0xcd/0x170 [18427.487886][ T7704] do_syscall_64+0xc6/0x1e0 [18427.487886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.487886][ T7704] [18437.726933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18437.727436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18437.727436][ T7704] netdev_get_by_index+0x5e/0x80 [18437.727436][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.727436][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.727436][ T7704] ip6_route_add+0x1c/0x140 [18437.727436][ T7704] addrconf_prefix_route+0x2a6/0x430 [18437.727436][ T7704] inet6_addr_add+0x4f8/0xa40 [18437.727436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.727436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.727436][ T7704] netlink_rcv_skb+0x130/0x360 [18437.727436][ T7704] netlink_unicast+0x449/0x710 [18437.727436][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.727436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.727436][ T7704] ___sys_sendmsg+0xee/0x170 [18437.727436][ T7704] __sys_sendmsg+0xcd/0x170 [18437.727436][ T7704] do_syscall_64+0xc6/0x1e0 [18437.727436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.727436][ T7704] [18437.729722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18437.729722][ T7704] netdev_get_by_index+0x5e/0x80 [18437.729722][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.729722][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.729722][ T7704] addrconf_f6i_alloc+0x315/0x560 [18437.729722][ T7704] ipv6_add_addr+0x411/0x2000 [18437.729722][ T7704] inet6_addr_add+0x30e/0xa40 [18437.729722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.729722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.729722][ T7704] netlink_rcv_skb+0x130/0x360 [18437.729722][ T7704] netlink_unicast+0x449/0x710 [18437.729722][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.729722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.729722][ T7704] ___sys_sendmsg+0xee/0x170 [18437.729722][ T7704] __sys_sendmsg+0xcd/0x170 [18437.729722][ T7704] do_syscall_64+0xc6/0x1e0 [18437.729722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.729722][ T7704] [18437.731974][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18437.731974][ T7704] netdev_get_by_index+0x5e/0x80 [18437.731974][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.731974][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.731974][ T7704] ip6_route_add+0x1c/0x140 [18437.731974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18437.731974][ T7704] addrconf_add_dev+0xe2/0x170 [18437.731974][ T7704] inet6_addr_add+0x12f/0xa40 [18437.731974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.731974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.731974][ T7704] netlink_rcv_skb+0x130/0x360 [18437.731974][ T7704] netlink_unicast+0x449/0x710 [18437.731974][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.731974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.731974][ T7704] ___sys_sendmsg+0xee/0x170 [18437.731974][ T7704] __sys_sendmsg+0xcd/0x170 [18437.731974][ T7704] do_syscall_64+0xc6/0x1e0 [18437.731974][ T7704] [18437.734181][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18437.734181][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18437.734181][ T7704] ipv6_find_idev+0x102/0x170 [18437.734181][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18437.734181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.734181][ T7704] netlink_rcv_skb+0x130/0x360 [18437.734181][ T7704] netlink_unicast+0x449/0x710 [18437.734181][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.734181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.734181][ T7704] ___sys_sendmsg+0xee/0x170 [18437.734181][ T7704] __sys_sendmsg+0xcd/0x170 [18437.734181][ T7704] do_syscall_64+0xc6/0x1e0 [18437.734181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.734181][ T7704] [18437.735922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18437.735922][ T7704] neigh_parms_alloc+0x1e5/0x510 [18437.735922][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18437.735922][ T7704] ipv6_find_idev+0x102/0x170 [18437.735922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18437.735922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.735922][ T7704] netlink_rcv_skb+0x130/0x360 [18437.735922][ T7704] netlink_unicast+0x449/0x710 [18437.735922][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.735922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.735922][ T7704] ___sys_sendmsg+0xee/0x170 [18437.735922][ T7704] __sys_sendmsg+0xcd/0x170 [18437.735922][ T7704] do_syscall_64+0xc6/0x1e0 [18437.735922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.735922][ T7704] [18447.974949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18447.975462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18447.975462][ T7704] netdev_get_by_index+0x5e/0x80 [18447.975462][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.975462][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.975462][ T7704] ip6_route_add+0x1c/0x140 [18447.975462][ T7704] addrconf_prefix_route+0x2a6/0x430 [18447.975462][ T7704] inet6_addr_add+0x4f8/0xa40 [18447.975462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.975462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.975462][ T7704] netlink_rcv_skb+0x130/0x360 [18447.975462][ T7704] netlink_unicast+0x449/0x710 [18447.975462][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.975462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.975462][ T7704] ___sys_sendmsg+0xee/0x170 [18447.975462][ T7704] __sys_sendmsg+0xcd/0x170 [18447.975462][ T7704] do_syscall_64+0xc6/0x1e0 [18447.975462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.975462][ T7704] [18447.977748][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18447.977748][ T7704] netdev_get_by_index+0x5e/0x80 [18447.977748][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.977748][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.977748][ T7704] addrconf_f6i_alloc+0x315/0x560 [18447.977748][ T7704] ipv6_add_addr+0x411/0x2000 [18447.977748][ T7704] inet6_addr_add+0x30e/0xa40 [18447.977748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.977748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.977748][ T7704] netlink_rcv_skb+0x130/0x360 [18447.977748][ T7704] netlink_unicast+0x449/0x710 [18447.977748][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.977748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.977748][ T7704] ___sys_sendmsg+0xee/0x170 [18447.977748][ T7704] __sys_sendmsg+0xcd/0x170 [18447.977748][ T7704] do_syscall_64+0xc6/0x1e0 [18447.977748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.977748][ T7704] [18447.980008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18447.980008][ T7704] netdev_get_by_index+0x5e/0x80 [18447.980008][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.980008][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.980008][ T7704] ip6_route_add+0x1c/0x140 [18447.980008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18447.980008][ T7704] addrconf_add_dev+0xe2/0x170 [18447.980008][ T7704] inet6_addr_add+0x12f/0xa40 [18447.980008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.980008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.980008][ T7704] netlink_rcv_skb+0x130/0x360 [18447.980008][ T7704] netlink_unicast+0x449/0x710 [18447.980008][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.980008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.980008][ T7704] ___sys_sendmsg+0xee/0x170 [18447.980008][ T7704] __sys_sendmsg+0xcd/0x170 [18447.980008][ T7704] do_syscall_64+0xc6/0x1e0 [18447.980008][ T7704] [18447.982734][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18447.982734][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18447.982734][ T7704] ipv6_find_idev+0x102/0x170 [18447.982734][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18447.982734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.982734][ T7704] netlink_rcv_skb+0x130/0x360 [18447.982734][ T7704] netlink_unicast+0x449/0x710 [18447.982734][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.982734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.982734][ T7704] ___sys_sendmsg+0xee/0x170 [18447.982734][ T7704] __sys_sendmsg+0xcd/0x170 [18447.982734][ T7704] do_syscall_64+0xc6/0x1e0 [18447.982734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.982734][ T7704] [18447.984481][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18447.984481][ T7704] neigh_parms_alloc+0x1e5/0x510 [18447.984481][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18447.984481][ T7704] ipv6_find_idev+0x102/0x170 [18447.984481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18447.984481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.984481][ T7704] netlink_rcv_skb+0x130/0x360 [18447.984481][ T7704] netlink_unicast+0x449/0x710 [18447.984481][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.984481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.984481][ T7704] ___sys_sendmsg+0xee/0x170 [18447.984481][ T7704] __sys_sendmsg+0xcd/0x170 [18447.984481][ T7704] do_syscall_64+0xc6/0x1e0 [18447.984481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.984481][ T7704] [18458.046957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18458.047466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18458.047466][ T7704] netdev_get_by_index+0x5e/0x80 [18458.047466][ T7704] fib6_nh_init+0x3d8/0x15b0 [18458.047466][ T7704] ip6_route_info_create+0xf18/0x17d0 [18458.047466][ T7704] ip6_route_add+0x1c/0x140 [18458.047466][ T7704] addrconf_prefix_route+0x2a6/0x430 [18458.047466][ T7704] inet6_addr_add+0x4f8/0xa40 [18458.047466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18458.047466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18458.047466][ T7704] netlink_rcv_skb+0x130/0x360 [18458.047466][ T7704] netlink_unicast+0x449/0x710 [18458.047466][ T7704] netlink_sendmsg+0x723/0xbe0 [18458.047466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18458.047466][ T7704] ___sys_sendmsg+0xee/0x170 [18458.047466][ T7704] __sys_sendmsg+0xcd/0x170 [18458.047466][ T7704] do_syscall_64+0xc6/0x1e0 [18458.047466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18458.047466][ T7704] [18458.049710][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18458.049710][ T7704] netdev_get_by_index+0x5e/0x80 [18458.049710][ T7704] fib6_nh_init+0x3d8/0x15b0 [18458.049710][ T7704] ip6_route_info_create+0xf18/0x17d0 [18458.049710][ T7704] addrconf_f6i_alloc+0x315/0x560 [18458.049710][ T7704] ipv6_add_addr+0x411/0x2000 [18458.049710][ T7704] inet6_addr_add+0x30e/0xa40 [18458.049710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18458.049710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18458.049710][ T7704] netlink_rcv_skb+0x130/0x360 [18458.049710][ T7704] netlink_unicast+0x449/0x710 [18458.049710][ T7704] netlink_sendmsg+0x723/0xbe0 [18458.049710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18458.049710][ T7704] ___sys_sendmsg+0xee/0x170 [18458.049710][ T7704] __sys_sendmsg+0xcd/0x170 [18458.049710][ T7704] do_syscall_64+0xc6/0x1e0 [18458.049710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18458.049710][ T7704] [18458.052322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18458.052322][ T7704] netdev_get_by_index+0x5e/0x80 [18458.052322][ T7704] fib6_nh_init+0x3d8/0x15b0 [18458.052322][ T7704] ip6_route_info_create+0xf18/0x17d0 [18458.052322][ T7704] ip6_route_add+0x1c/0x140 [18458.052322][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18458.052322][ T7704] addrconf_add_dev+0xe2/0x170 [18458.052322][ T7704] inet6_addr_add+0x12f/0xa40 [18458.052322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18458.052322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18458.052322][ T7704] netlink_rcv_skb+0x130/0x360 [18458.052322][ T7704] netlink_unicast+0x449/0x710 [18458.052322][ T7704] netlink_sendmsg+0x723/0xbe0 [18458.052322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18458.052322][ T7704] ___sys_sendmsg+0xee/0x170 [18458.052322][ T7704] __sys_sendmsg+0xcd/0x170 [18458.052322][ T7704] do_syscall_64+0xc6/0x1e0 [18458.052322][ T7704] [18458.054526][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18458.054526][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18458.054526][ T7704] ipv6_find_idev+0x102/0x170 [18458.054526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18458.054526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18458.054526][ T7704] netlink_rcv_skb+0x130/0x360 [18458.054526][ T7704] netlink_unicast+0x449/0x710 [18458.054526][ T7704] netlink_sendmsg+0x723/0xbe0 [18458.054526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18458.054526][ T7704] ___sys_sendmsg+0xee/0x170 [18458.054526][ T7704] __sys_sendmsg+0xcd/0x170 [18458.054526][ T7704] do_syscall_64+0xc6/0x1e0 [18458.054526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18458.054526][ T7704] [18458.056233][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18458.056233][ T7704] neigh_parms_alloc+0x1e5/0x510 [18458.056233][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18458.056233][ T7704] ipv6_find_idev+0x102/0x170 [18458.056233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18458.056233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18458.056233][ T7704] netlink_rcv_skb+0x130/0x360 [18458.056233][ T7704] netlink_unicast+0x449/0x710 [18458.056233][ T7704] netlink_sendmsg+0x723/0xbe0 [18458.056233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18458.056233][ T7704] ___sys_sendmsg+0xee/0x170 [18458.056233][ T7704] __sys_sendmsg+0xcd/0x170 [18458.056233][ T7704] do_syscall_64+0xc6/0x1e0 [18458.056233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18458.056233][ T7704] [18468.294968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18468.295455][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18468.295455][ T7704] netdev_get_by_index+0x5e/0x80 [18468.295455][ T7704] fib6_nh_init+0x3d8/0x15b0 [18468.295455][ T7704] ip6_route_info_create+0xf18/0x17d0 [18468.295455][ T7704] ip6_route_add+0x1c/0x140 [18468.295455][ T7704] addrconf_prefix_route+0x2a6/0x430 [18468.295455][ T7704] inet6_addr_add+0x4f8/0xa40 [18468.295455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18468.295455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18468.295455][ T7704] netlink_rcv_skb+0x130/0x360 [18468.295455][ T7704] netlink_unicast+0x449/0x710 [18468.295455][ T7704] netlink_sendmsg+0x723/0xbe0 [18468.295455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18468.295455][ T7704] ___sys_sendmsg+0xee/0x170 [18468.295455][ T7704] __sys_sendmsg+0xcd/0x170 [18468.295455][ T7704] do_syscall_64+0xc6/0x1e0 [18468.295455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18468.295455][ T7704] [18468.297696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18468.297696][ T7704] netdev_get_by_index+0x5e/0x80 [18468.297696][ T7704] fib6_nh_init+0x3d8/0x15b0 [18468.297696][ T7704] ip6_route_info_create+0xf18/0x17d0 [18468.297696][ T7704] addrconf_f6i_alloc+0x315/0x560 [18468.297696][ T7704] ipv6_add_addr+0x411/0x2000 [18468.297696][ T7704] inet6_addr_add+0x30e/0xa40 [18468.297696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18468.297696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18468.297696][ T7704] netlink_rcv_skb+0x130/0x360 [18468.297696][ T7704] netlink_unicast+0x449/0x710 [18468.297696][ T7704] netlink_sendmsg+0x723/0xbe0 [18468.297696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18468.297696][ T7704] ___sys_sendmsg+0xee/0x170 [18468.297696][ T7704] __sys_sendmsg+0xcd/0x170 [18468.297696][ T7704] do_syscall_64+0xc6/0x1e0 [18468.297696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18468.297696][ T7704] [18468.299917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18468.299917][ T7704] netdev_get_by_index+0x5e/0x80 [18468.299917][ T7704] fib6_nh_init+0x3d8/0x15b0 [18468.299917][ T7704] ip6_route_info_create+0xf18/0x17d0 [18468.299917][ T7704] ip6_route_add+0x1c/0x140 [18468.299917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18468.299917][ T7704] addrconf_add_dev+0xe2/0x170 [18468.299917][ T7704] inet6_addr_add+0x12f/0xa40 [18468.299917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18468.299917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18468.299917][ T7704] netlink_rcv_skb+0x130/0x360 [18468.299917][ T7704] netlink_unicast+0x449/0x710 [18468.299917][ T7704] netlink_sendmsg+0x723/0xbe0 [18468.299917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18468.299917][ T7704] ___sys_sendmsg+0xee/0x170 [18468.299917][ T7704] __sys_sendmsg+0xcd/0x170 [18468.299917][ T7704] do_syscall_64+0xc6/0x1e0 [18468.299917][ T7704] [18468.302098][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18468.302098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18468.302098][ T7704] ipv6_find_idev+0x102/0x170 [18468.302098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18468.302098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18468.302098][ T7704] netlink_rcv_skb+0x130/0x360 [18468.302098][ T7704] netlink_unicast+0x449/0x710 [18468.302098][ T7704] netlink_sendmsg+0x723/0xbe0 [18468.302098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18468.302098][ T7704] ___sys_sendmsg+0xee/0x170 [18468.302098][ T7704] __sys_sendmsg+0xcd/0x170 [18468.302098][ T7704] do_syscall_64+0xc6/0x1e0 [18468.302098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18468.302098][ T7704] [18468.303798][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18468.303798][ T7704] neigh_parms_alloc+0x1e5/0x510 [18468.303798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18468.303798][ T7704] ipv6_find_idev+0x102/0x170 [18468.303798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18468.303798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18468.303798][ T7704] netlink_rcv_skb+0x130/0x360 [18468.303798][ T7704] netlink_unicast+0x449/0x710 [18468.303798][ T7704] netlink_sendmsg+0x723/0xbe0 [18468.303798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18468.303798][ T7704] ___sys_sendmsg+0xee/0x170 [18468.303798][ T7704] __sys_sendmsg+0xcd/0x170 [18468.303798][ T7704] do_syscall_64+0xc6/0x1e0 [18468.303798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18468.303798][ T7704] [18478.542948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18478.543422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18478.543422][ T7704] netdev_get_by_index+0x5e/0x80 [18478.543422][ T7704] fib6_nh_init+0x3d8/0x15b0 [18478.543422][ T7704] ip6_route_info_create+0xf18/0x17d0 [18478.543422][ T7704] ip6_route_add+0x1c/0x140 [18478.543422][ T7704] addrconf_prefix_route+0x2a6/0x430 [18478.543422][ T7704] inet6_addr_add+0x4f8/0xa40 [18478.543422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18478.543422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18478.543422][ T7704] netlink_rcv_skb+0x130/0x360 [18478.543422][ T7704] netlink_unicast+0x449/0x710 [18478.543422][ T7704] netlink_sendmsg+0x723/0xbe0 [18478.543422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18478.543422][ T7704] ___sys_sendmsg+0xee/0x170 [18478.543422][ T7704] __sys_sendmsg+0xcd/0x170 [18478.543422][ T7704] do_syscall_64+0xc6/0x1e0 [18478.543422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18478.543422][ T7704] [18478.545667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18478.545667][ T7704] netdev_get_by_index+0x5e/0x80 [18478.545667][ T7704] fib6_nh_init+0x3d8/0x15b0 [18478.545667][ T7704] ip6_route_info_create+0xf18/0x17d0 [18478.545667][ T7704] addrconf_f6i_alloc+0x315/0x560 [18478.545667][ T7704] ipv6_add_addr+0x411/0x2000 [18478.545667][ T7704] inet6_addr_add+0x30e/0xa40 [18478.545667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18478.545667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18478.545667][ T7704] netlink_rcv_skb+0x130/0x360 [18478.545667][ T7704] netlink_unicast+0x449/0x710 [18478.545667][ T7704] netlink_sendmsg+0x723/0xbe0 [18478.545667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18478.545667][ T7704] ___sys_sendmsg+0xee/0x170 [18478.545667][ T7704] __sys_sendmsg+0xcd/0x170 [18478.545667][ T7704] do_syscall_64+0xc6/0x1e0 [18478.545667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18478.545667][ T7704] [18478.547886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18478.547886][ T7704] netdev_get_by_index+0x5e/0x80 [18478.547886][ T7704] fib6_nh_init+0x3d8/0x15b0 [18478.547886][ T7704] ip6_route_info_create+0xf18/0x17d0 [18478.547886][ T7704] ip6_route_add+0x1c/0x140 [18478.547886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18478.547886][ T7704] addrconf_add_dev+0xe2/0x170 [18478.547886][ T7704] inet6_addr_add+0x12f/0xa40 [18478.547886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18478.547886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18478.547886][ T7704] netlink_rcv_skb+0x130/0x360 [18478.547886][ T7704] netlink_unicast+0x449/0x710 [18478.547886][ T7704] netlink_sendmsg+0x723/0xbe0 [18478.547886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18478.547886][ T7704] ___sys_sendmsg+0xee/0x170 [18478.547886][ T7704] __sys_sendmsg+0xcd/0x170 [18478.547886][ T7704] do_syscall_64+0xc6/0x1e0 [18478.547886][ T7704] [18478.550084][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18478.550084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18478.550084][ T7704] ipv6_find_idev+0x102/0x170 [18478.550084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18478.550084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18478.550084][ T7704] netlink_rcv_skb+0x130/0x360 [18478.550084][ T7704] netlink_unicast+0x449/0x710 [18478.550084][ T7704] netlink_sendmsg+0x723/0xbe0 [18478.550084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18478.550084][ T7704] ___sys_sendmsg+0xee/0x170 [18478.550084][ T7704] __sys_sendmsg+0xcd/0x170 [18478.550084][ T7704] do_syscall_64+0xc6/0x1e0 [18478.550084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18478.550084][ T7704] [18478.551792][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18478.551792][ T7704] neigh_parms_alloc+0x1e5/0x510 [18478.551792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18478.551792][ T7704] ipv6_find_idev+0x102/0x170 [18478.551792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18478.551792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18478.551792][ T7704] netlink_rcv_skb+0x130/0x360 [18478.551792][ T7704] netlink_unicast+0x449/0x710 [18478.551792][ T7704] netlink_sendmsg+0x723/0xbe0 [18478.551792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18478.551792][ T7704] ___sys_sendmsg+0xee/0x170 [18478.551792][ T7704] __sys_sendmsg+0xcd/0x170 [18478.551792][ T7704] do_syscall_64+0xc6/0x1e0 [18478.551792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18478.551792][ T7704] [18488.678961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18488.679440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18488.679440][ T7704] netdev_get_by_index+0x5e/0x80 [18488.679440][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.679440][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.679440][ T7704] ip6_route_add+0x1c/0x140 [18488.679440][ T7704] addrconf_prefix_route+0x2a6/0x430 [18488.679440][ T7704] inet6_addr_add+0x4f8/0xa40 [18488.679440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.679440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.679440][ T7704] netlink_rcv_skb+0x130/0x360 [18488.679440][ T7704] netlink_unicast+0x449/0x710 [18488.679440][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.679440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.679440][ T7704] ___sys_sendmsg+0xee/0x170 [18488.679440][ T7704] __sys_sendmsg+0xcd/0x170 [18488.679440][ T7704] do_syscall_64+0xc6/0x1e0 [18488.679440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.679440][ T7704] [18488.681676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18488.681676][ T7704] netdev_get_by_index+0x5e/0x80 [18488.681676][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.681676][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.681676][ T7704] addrconf_f6i_alloc+0x315/0x560 [18488.681676][ T7704] ipv6_add_addr+0x411/0x2000 [18488.681676][ T7704] inet6_addr_add+0x30e/0xa40 [18488.681676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.681676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.681676][ T7704] netlink_rcv_skb+0x130/0x360 [18488.681676][ T7704] netlink_unicast+0x449/0x710 [18488.681676][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.681676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.681676][ T7704] ___sys_sendmsg+0xee/0x170 [18488.681676][ T7704] __sys_sendmsg+0xcd/0x170 [18488.681676][ T7704] do_syscall_64+0xc6/0x1e0 [18488.681676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.681676][ T7704] [18488.683889][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18488.683889][ T7704] netdev_get_by_index+0x5e/0x80 [18488.683889][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.683889][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.683889][ T7704] ip6_route_add+0x1c/0x140 [18488.683889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18488.683889][ T7704] addrconf_add_dev+0xe2/0x170 [18488.683889][ T7704] inet6_addr_add+0x12f/0xa40 [18488.683889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.683889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.683889][ T7704] netlink_rcv_skb+0x130/0x360 [18488.683889][ T7704] netlink_unicast+0x449/0x710 [18488.683889][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.683889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.683889][ T7704] ___sys_sendmsg+0xee/0x170 [18488.683889][ T7704] __sys_sendmsg+0xcd/0x170 [18488.683889][ T7704] do_syscall_64+0xc6/0x1e0 [18488.683889][ T7704] [18488.686083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18488.686083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18488.686083][ T7704] ipv6_find_idev+0x102/0x170 [18488.686083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18488.686083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.686083][ T7704] netlink_rcv_skb+0x130/0x360 [18488.686083][ T7704] netlink_unicast+0x449/0x710 [18488.686083][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.686083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.686083][ T7704] ___sys_sendmsg+0xee/0x170 [18488.686083][ T7704] __sys_sendmsg+0xcd/0x170 [18488.686083][ T7704] do_syscall_64+0xc6/0x1e0 [18488.686083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.686083][ T7704] [18488.687786][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18488.687786][ T7704] neigh_parms_alloc+0x1e5/0x510 [18488.687786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18488.687786][ T7704] ipv6_find_idev+0x102/0x170 [18488.687786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18488.687786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.687786][ T7704] netlink_rcv_skb+0x130/0x360 [18488.687786][ T7704] netlink_unicast+0x449/0x710 [18488.687786][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.687786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.687786][ T7704] ___sys_sendmsg+0xee/0x170 [18488.687786][ T7704] __sys_sendmsg+0xcd/0x170 [18488.687786][ T7704] do_syscall_64+0xc6/0x1e0 [18488.687786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.687786][ T7704] [18498.926948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18498.927425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18498.927425][ T7704] netdev_get_by_index+0x5e/0x80 [18498.927425][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.927425][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.927425][ T7704] ip6_route_add+0x1c/0x140 [18498.927425][ T7704] addrconf_prefix_route+0x2a6/0x430 [18498.927425][ T7704] inet6_addr_add+0x4f8/0xa40 [18498.927425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.927425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.927425][ T7704] netlink_rcv_skb+0x130/0x360 [18498.927425][ T7704] netlink_unicast+0x449/0x710 [18498.927425][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.927425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.927425][ T7704] ___sys_sendmsg+0xee/0x170 [18498.927425][ T7704] __sys_sendmsg+0xcd/0x170 [18498.927425][ T7704] do_syscall_64+0xc6/0x1e0 [18498.927425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.927425][ T7704] [18498.929672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18498.929672][ T7704] netdev_get_by_index+0x5e/0x80 [18498.929672][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.929672][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.929672][ T7704] addrconf_f6i_alloc+0x315/0x560 [18498.929672][ T7704] ipv6_add_addr+0x411/0x2000 [18498.929672][ T7704] inet6_addr_add+0x30e/0xa40 [18498.929672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.929672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.929672][ T7704] netlink_rcv_skb+0x130/0x360 [18498.929672][ T7704] netlink_unicast+0x449/0x710 [18498.929672][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.929672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.929672][ T7704] ___sys_sendmsg+0xee/0x170 [18498.929672][ T7704] __sys_sendmsg+0xcd/0x170 [18498.929672][ T7704] do_syscall_64+0xc6/0x1e0 [18498.929672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.929672][ T7704] [18498.932014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18498.932014][ T7704] netdev_get_by_index+0x5e/0x80 [18498.932014][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.932014][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.932014][ T7704] ip6_route_add+0x1c/0x140 [18498.932014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18498.932014][ T7704] addrconf_add_dev+0xe2/0x170 [18498.932014][ T7704] inet6_addr_add+0x12f/0xa40 [18498.932014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.932014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.932014][ T7704] netlink_rcv_skb+0x130/0x360 [18498.932014][ T7704] netlink_unicast+0x449/0x710 [18498.932014][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.932014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.932014][ T7704] ___sys_sendmsg+0xee/0x170 [18498.932014][ T7704] __sys_sendmsg+0xcd/0x170 [18498.932014][ T7704] do_syscall_64+0xc6/0x1e0 [18498.932014][ T7704] [18498.934229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18498.934229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18498.934229][ T7704] ipv6_find_idev+0x102/0x170 [18498.934229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18498.934229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.934229][ T7704] netlink_rcv_skb+0x130/0x360 [18498.934229][ T7704] netlink_unicast+0x449/0x710 [18498.934229][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.934229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.934229][ T7704] ___sys_sendmsg+0xee/0x170 [18498.934229][ T7704] __sys_sendmsg+0xcd/0x170 [18498.934229][ T7704] do_syscall_64+0xc6/0x1e0 [18498.934229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.934229][ T7704] [18498.935934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18498.935934][ T7704] neigh_parms_alloc+0x1e5/0x510 [18498.935934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18498.935934][ T7704] ipv6_find_idev+0x102/0x170 [18498.935934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18498.935934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.935934][ T7704] netlink_rcv_skb+0x130/0x360 [18498.935934][ T7704] netlink_unicast+0x449/0x710 [18498.935934][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.935934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.935934][ T7704] ___sys_sendmsg+0xee/0x170 [18498.935934][ T7704] __sys_sendmsg+0xcd/0x170 [18498.935934][ T7704] do_syscall_64+0xc6/0x1e0 [18498.935934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.935934][ T7704] [18509.174946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18509.175366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18509.175366][ T7704] netdev_get_by_index+0x5e/0x80 [18509.175366][ T7704] fib6_nh_init+0x3d8/0x15b0 [18509.175366][ T7704] ip6_route_info_create+0xf18/0x17d0 [18509.175366][ T7704] ip6_route_add+0x1c/0x140 [18509.175366][ T7704] addrconf_prefix_route+0x2a6/0x430 [18509.175366][ T7704] inet6_addr_add+0x4f8/0xa40 [18509.175366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18509.175366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18509.175366][ T7704] netlink_rcv_skb+0x130/0x360 [18509.175366][ T7704] netlink_unicast+0x449/0x710 [18509.175366][ T7704] netlink_sendmsg+0x723/0xbe0 [18509.175366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18509.175366][ T7704] ___sys_sendmsg+0xee/0x170 [18509.175366][ T7704] __sys_sendmsg+0xcd/0x170 [18509.175366][ T7704] do_syscall_64+0xc6/0x1e0 [18509.175366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18509.175366][ T7704] [18509.177610][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18509.177610][ T7704] netdev_get_by_index+0x5e/0x80 [18509.177610][ T7704] fib6_nh_init+0x3d8/0x15b0 [18509.177610][ T7704] ip6_route_info_create+0xf18/0x17d0 [18509.177610][ T7704] addrconf_f6i_alloc+0x315/0x560 [18509.177610][ T7704] ipv6_add_addr+0x411/0x2000 [18509.177610][ T7704] inet6_addr_add+0x30e/0xa40 [18509.177610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18509.177610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18509.177610][ T7704] netlink_rcv_skb+0x130/0x360 [18509.177610][ T7704] netlink_unicast+0x449/0x710 [18509.177610][ T7704] netlink_sendmsg+0x723/0xbe0 [18509.177610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18509.177610][ T7704] ___sys_sendmsg+0xee/0x170 [18509.177610][ T7704] __sys_sendmsg+0xcd/0x170 [18509.177610][ T7704] do_syscall_64+0xc6/0x1e0 [18509.177610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18509.177610][ T7704] [18509.179836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18509.179836][ T7704] netdev_get_by_index+0x5e/0x80 [18509.179836][ T7704] fib6_nh_init+0x3d8/0x15b0 [18509.179836][ T7704] ip6_route_info_create+0xf18/0x17d0 [18509.179836][ T7704] ip6_route_add+0x1c/0x140 [18509.179836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18509.179836][ T7704] addrconf_add_dev+0xe2/0x170 [18509.179836][ T7704] inet6_addr_add+0x12f/0xa40 [18509.179836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18509.179836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18509.179836][ T7704] netlink_rcv_skb+0x130/0x360 [18509.179836][ T7704] netlink_unicast+0x449/0x710 [18509.179836][ T7704] netlink_sendmsg+0x723/0xbe0 [18509.179836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18509.179836][ T7704] ___sys_sendmsg+0xee/0x170 [18509.179836][ T7704] __sys_sendmsg+0xcd/0x170 [18509.179836][ T7704] do_syscall_64+0xc6/0x1e0 [18509.179836][ T7704] [18509.182013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18509.182013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18509.182013][ T7704] ipv6_find_idev+0x102/0x170 [18509.182013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18509.182013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18509.182013][ T7704] netlink_rcv_skb+0x130/0x360 [18509.182013][ T7704] netlink_unicast+0x449/0x710 [18509.182013][ T7704] netlink_sendmsg+0x723/0xbe0 [18509.182013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18509.182013][ T7704] ___sys_sendmsg+0xee/0x170 [18509.182013][ T7704] __sys_sendmsg+0xcd/0x170 [18509.182013][ T7704] do_syscall_64+0xc6/0x1e0 [18509.182013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18509.182013][ T7704] [18509.183718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18509.183718][ T7704] neigh_parms_alloc+0x1e5/0x510 [18509.183718][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18509.183718][ T7704] ipv6_find_idev+0x102/0x170 [18509.183718][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18509.183718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18509.183718][ T7704] netlink_rcv_skb+0x130/0x360 [18509.183718][ T7704] netlink_unicast+0x449/0x710 [18509.183718][ T7704] netlink_sendmsg+0x723/0xbe0 [18509.183718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18509.183718][ T7704] ___sys_sendmsg+0xee/0x170 [18509.183718][ T7704] __sys_sendmsg+0xcd/0x170 [18509.183718][ T7704] do_syscall_64+0xc6/0x1e0 [18509.183718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18509.183718][ T7704] [18519.422966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18519.423377][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18519.423377][ T7704] netdev_get_by_index+0x5e/0x80 [18519.423377][ T7704] fib6_nh_init+0x3d8/0x15b0 [18519.423377][ T7704] ip6_route_info_create+0xf18/0x17d0 [18519.423377][ T7704] ip6_route_add+0x1c/0x140 [18519.423377][ T7704] addrconf_prefix_route+0x2a6/0x430 [18519.423377][ T7704] inet6_addr_add+0x4f8/0xa40 [18519.423377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18519.423377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18519.423377][ T7704] netlink_rcv_skb+0x130/0x360 [18519.423377][ T7704] netlink_unicast+0x449/0x710 [18519.423377][ T7704] netlink_sendmsg+0x723/0xbe0 [18519.423377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18519.423377][ T7704] ___sys_sendmsg+0xee/0x170 [18519.423377][ T7704] __sys_sendmsg+0xcd/0x170 [18519.423377][ T7704] do_syscall_64+0xc6/0x1e0 [18519.423377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18519.423377][ T7704] [18519.426147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18519.426147][ T7704] netdev_get_by_index+0x5e/0x80 [18519.426147][ T7704] fib6_nh_init+0x3d8/0x15b0 [18519.426147][ T7704] ip6_route_info_create+0xf18/0x17d0 [18519.426147][ T7704] addrconf_f6i_alloc+0x315/0x560 [18519.426147][ T7704] ipv6_add_addr+0x411/0x2000 [18519.426147][ T7704] inet6_addr_add+0x30e/0xa40 [18519.426147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18519.426147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18519.426147][ T7704] netlink_rcv_skb+0x130/0x360 [18519.426147][ T7704] netlink_unicast+0x449/0x710 [18519.426147][ T7704] netlink_sendmsg+0x723/0xbe0 [18519.426147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18519.426147][ T7704] ___sys_sendmsg+0xee/0x170 [18519.426147][ T7704] __sys_sendmsg+0xcd/0x170 [18519.426147][ T7704] do_syscall_64+0xc6/0x1e0 [18519.426147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18519.426147][ T7704] [18519.428358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18519.428358][ T7704] netdev_get_by_index+0x5e/0x80 [18519.428358][ T7704] fib6_nh_init+0x3d8/0x15b0 [18519.428358][ T7704] ip6_route_info_create+0xf18/0x17d0 [18519.428358][ T7704] ip6_route_add+0x1c/0x140 [18519.428358][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18519.428358][ T7704] addrconf_add_dev+0xe2/0x170 [18519.428358][ T7704] inet6_addr_add+0x12f/0xa40 [18519.428358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18519.428358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18519.428358][ T7704] netlink_rcv_skb+0x130/0x360 [18519.428358][ T7704] netlink_unicast+0x449/0x710 [18519.428358][ T7704] netlink_sendmsg+0x723/0xbe0 [18519.428358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18519.428358][ T7704] ___sys_sendmsg+0xee/0x170 [18519.428358][ T7704] __sys_sendmsg+0xcd/0x170 [18519.428358][ T7704] do_syscall_64+0xc6/0x1e0 [18519.428358][ T7704] [18519.430537][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18519.430537][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18519.430537][ T7704] ipv6_find_idev+0x102/0x170 [18519.430537][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18519.430537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18519.430537][ T7704] netlink_rcv_skb+0x130/0x360 [18519.430537][ T7704] netlink_unicast+0x449/0x710 [18519.430537][ T7704] netlink_sendmsg+0x723/0xbe0 [18519.430537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18519.430537][ T7704] ___sys_sendmsg+0xee/0x170 [18519.430537][ T7704] __sys_sendmsg+0xcd/0x170 [18519.430537][ T7704] do_syscall_64+0xc6/0x1e0 [18519.430537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18519.430537][ T7704] [18519.432234][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18519.432234][ T7704] neigh_parms_alloc+0x1e5/0x510 [18519.432234][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18519.432234][ T7704] ipv6_find_idev+0x102/0x170 [18519.432234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18519.432234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18519.432234][ T7704] netlink_rcv_skb+0x130/0x360 [18519.432234][ T7704] netlink_unicast+0x449/0x710 [18519.432234][ T7704] netlink_sendmsg+0x723/0xbe0 [18519.432234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18519.432234][ T7704] ___sys_sendmsg+0xee/0x170 [18519.432234][ T7704] __sys_sendmsg+0xcd/0x170 [18519.432234][ T7704] do_syscall_64+0xc6/0x1e0 [18519.432234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18519.432234][ T7704] [18529.670916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18529.671429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18529.671429][ T7704] netdev_get_by_index+0x5e/0x80 [18529.671429][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.671429][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.671429][ T7704] ip6_route_add+0x1c/0x140 [18529.671429][ T7704] addrconf_prefix_route+0x2a6/0x430 [18529.671429][ T7704] inet6_addr_add+0x4f8/0xa40 [18529.671429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.671429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.671429][ T7704] netlink_rcv_skb+0x130/0x360 [18529.671429][ T7704] netlink_unicast+0x449/0x710 [18529.671429][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.671429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.671429][ T7704] ___sys_sendmsg+0xee/0x170 [18529.671429][ T7704] __sys_sendmsg+0xcd/0x170 [18529.671429][ T7704] do_syscall_64+0xc6/0x1e0 [18529.671429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.671429][ T7704] [18529.673742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18529.673742][ T7704] netdev_get_by_index+0x5e/0x80 [18529.673742][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.673742][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.673742][ T7704] addrconf_f6i_alloc+0x315/0x560 [18529.673742][ T7704] ipv6_add_addr+0x411/0x2000 [18529.673742][ T7704] inet6_addr_add+0x30e/0xa40 [18529.673742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.673742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.673742][ T7704] netlink_rcv_skb+0x130/0x360 [18529.673742][ T7704] netlink_unicast+0x449/0x710 [18529.673742][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.673742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.673742][ T7704] ___sys_sendmsg+0xee/0x170 [18529.673742][ T7704] __sys_sendmsg+0xcd/0x170 [18529.673742][ T7704] do_syscall_64+0xc6/0x1e0 [18529.673742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.673742][ T7704] [18529.676049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18529.676049][ T7704] netdev_get_by_index+0x5e/0x80 [18529.676049][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.676049][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.676049][ T7704] ip6_route_add+0x1c/0x140 [18529.676049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18529.676049][ T7704] addrconf_add_dev+0xe2/0x170 [18529.676049][ T7704] inet6_addr_add+0x12f/0xa40 [18529.676049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.676049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.676049][ T7704] netlink_rcv_skb+0x130/0x360 [18529.676049][ T7704] netlink_unicast+0x449/0x710 [18529.676049][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.676049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.676049][ T7704] ___sys_sendmsg+0xee/0x170 [18529.676049][ T7704] __sys_sendmsg+0xcd/0x170 [18529.676049][ T7704] do_syscall_64+0xc6/0x1e0 [18529.676049][ T7704] [18529.678267][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18529.678267][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18529.678267][ T7704] ipv6_find_idev+0x102/0x170 [18529.678267][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18529.678267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.678267][ T7704] netlink_rcv_skb+0x130/0x360 [18529.678267][ T7704] netlink_unicast+0x449/0x710 [18529.678267][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.678267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.678267][ T7704] ___sys_sendmsg+0xee/0x170 [18529.678267][ T7704] __sys_sendmsg+0xcd/0x170 [18529.678267][ T7704] do_syscall_64+0xc6/0x1e0 [18529.678267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.678267][ T7704] [18529.680008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18529.680008][ T7704] neigh_parms_alloc+0x1e5/0x510 [18529.680008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18529.680008][ T7704] ipv6_find_idev+0x102/0x170 [18529.680008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18529.680008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.680008][ T7704] netlink_rcv_skb+0x130/0x360 [18529.680008][ T7704] netlink_unicast+0x449/0x710 [18529.680008][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.680008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.680008][ T7704] ___sys_sendmsg+0xee/0x170 [18529.680008][ T7704] __sys_sendmsg+0xcd/0x170 [18529.680008][ T7704] do_syscall_64+0xc6/0x1e0 [18529.680008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.680008][ T7704] [18539.918952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18539.919380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18539.919380][ T7704] netdev_get_by_index+0x5e/0x80 [18539.919380][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.919380][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.919380][ T7704] ip6_route_add+0x1c/0x140 [18539.919380][ T7704] addrconf_prefix_route+0x2a6/0x430 [18539.919380][ T7704] inet6_addr_add+0x4f8/0xa40 [18539.919380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.919380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.919380][ T7704] netlink_rcv_skb+0x130/0x360 [18539.919380][ T7704] netlink_unicast+0x449/0x710 [18539.919380][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.919380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.919380][ T7704] ___sys_sendmsg+0xee/0x170 [18539.919380][ T7704] __sys_sendmsg+0xcd/0x170 [18539.919380][ T7704] do_syscall_64+0xc6/0x1e0 [18539.919380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.919380][ T7704] [18539.921646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18539.921646][ T7704] netdev_get_by_index+0x5e/0x80 [18539.921646][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.921646][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.921646][ T7704] addrconf_f6i_alloc+0x315/0x560 [18539.921646][ T7704] ipv6_add_addr+0x411/0x2000 [18539.921646][ T7704] inet6_addr_add+0x30e/0xa40 [18539.921646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.921646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.921646][ T7704] netlink_rcv_skb+0x130/0x360 [18539.921646][ T7704] netlink_unicast+0x449/0x710 [18539.921646][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.921646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.921646][ T7704] ___sys_sendmsg+0xee/0x170 [18539.921646][ T7704] __sys_sendmsg+0xcd/0x170 [18539.921646][ T7704] do_syscall_64+0xc6/0x1e0 [18539.921646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.921646][ T7704] [18539.923911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18539.923911][ T7704] netdev_get_by_index+0x5e/0x80 [18539.923911][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.923911][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.923911][ T7704] ip6_route_add+0x1c/0x140 [18539.923911][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18539.923911][ T7704] addrconf_add_dev+0xe2/0x170 [18539.923911][ T7704] inet6_addr_add+0x12f/0xa40 [18539.923911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.923911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.923911][ T7704] netlink_rcv_skb+0x130/0x360 [18539.923911][ T7704] netlink_unicast+0x449/0x710 [18539.923911][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.923911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.923911][ T7704] ___sys_sendmsg+0xee/0x170 [18539.923911][ T7704] __sys_sendmsg+0xcd/0x170 [18539.923911][ T7704] do_syscall_64+0xc6/0x1e0 [18539.923911][ T7704] [18539.926121][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18539.926121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18539.926121][ T7704] ipv6_find_idev+0x102/0x170 [18539.926121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18539.926121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.926121][ T7704] netlink_rcv_skb+0x130/0x360 [18539.926121][ T7704] netlink_unicast+0x449/0x710 [18539.926121][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.926121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.926121][ T7704] ___sys_sendmsg+0xee/0x170 [18539.926121][ T7704] __sys_sendmsg+0xcd/0x170 [18539.926121][ T7704] do_syscall_64+0xc6/0x1e0 [18539.926121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.926121][ T7704] [18539.927844][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18539.927844][ T7704] neigh_parms_alloc+0x1e5/0x510 [18539.927844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18539.927844][ T7704] ipv6_find_idev+0x102/0x170 [18539.927844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18539.927844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.927844][ T7704] netlink_rcv_skb+0x130/0x360 [18539.927844][ T7704] netlink_unicast+0x449/0x710 [18539.927844][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.927844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.927844][ T7704] ___sys_sendmsg+0xee/0x170 [18539.927844][ T7704] __sys_sendmsg+0xcd/0x170 [18539.927844][ T7704] do_syscall_64+0xc6/0x1e0 [18539.927844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.927844][ T7704] [18550.166936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18550.167373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18550.167373][ T7704] netdev_get_by_index+0x5e/0x80 [18550.167373][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.167373][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.167373][ T7704] ip6_route_add+0x1c/0x140 [18550.167373][ T7704] addrconf_prefix_route+0x2a6/0x430 [18550.167373][ T7704] inet6_addr_add+0x4f8/0xa40 [18550.167373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.167373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.167373][ T7704] netlink_rcv_skb+0x130/0x360 [18550.167373][ T7704] netlink_unicast+0x449/0x710 [18550.167373][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.167373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.167373][ T7704] ___sys_sendmsg+0xee/0x170 [18550.167373][ T7704] __sys_sendmsg+0xcd/0x170 [18550.167373][ T7704] do_syscall_64+0xc6/0x1e0 [18550.167373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.167373][ T7704] [18550.169632][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18550.169632][ T7704] netdev_get_by_index+0x5e/0x80 [18550.169632][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.169632][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.169632][ T7704] addrconf_f6i_alloc+0x315/0x560 [18550.169632][ T7704] ipv6_add_addr+0x411/0x2000 [18550.169632][ T7704] inet6_addr_add+0x30e/0xa40 [18550.169632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.169632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.169632][ T7704] netlink_rcv_skb+0x130/0x360 [18550.169632][ T7704] netlink_unicast+0x449/0x710 [18550.169632][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.169632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.169632][ T7704] ___sys_sendmsg+0xee/0x170 [18550.169632][ T7704] __sys_sendmsg+0xcd/0x170 [18550.169632][ T7704] do_syscall_64+0xc6/0x1e0 [18550.169632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.169632][ T7704] [18550.171880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18550.171880][ T7704] netdev_get_by_index+0x5e/0x80 [18550.171880][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.171880][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.171880][ T7704] ip6_route_add+0x1c/0x140 [18550.171880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18550.171880][ T7704] addrconf_add_dev+0xe2/0x170 [18550.171880][ T7704] inet6_addr_add+0x12f/0xa40 [18550.171880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.171880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.171880][ T7704] netlink_rcv_skb+0x130/0x360 [18550.171880][ T7704] netlink_unicast+0x449/0x710 [18550.171880][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.171880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.171880][ T7704] ___sys_sendmsg+0xee/0x170 [18550.171880][ T7704] __sys_sendmsg+0xcd/0x170 [18550.171880][ T7704] do_syscall_64+0xc6/0x1e0 [18550.171880][ T7704] [18550.174109][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18550.174109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18550.174109][ T7704] ipv6_find_idev+0x102/0x170 [18550.174109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18550.174109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.174109][ T7704] netlink_rcv_skb+0x130/0x360 [18550.174109][ T7704] netlink_unicast+0x449/0x710 [18550.174109][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.174109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.174109][ T7704] ___sys_sendmsg+0xee/0x170 [18550.174109][ T7704] __sys_sendmsg+0xcd/0x170 [18550.174109][ T7704] do_syscall_64+0xc6/0x1e0 [18550.174109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.174109][ T7704] [18550.175834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18550.175834][ T7704] neigh_parms_alloc+0x1e5/0x510 [18550.175834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18550.175834][ T7704] ipv6_find_idev+0x102/0x170 [18550.175834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18550.175834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.175834][ T7704] netlink_rcv_skb+0x130/0x360 [18550.175834][ T7704] netlink_unicast+0x449/0x710 [18550.175834][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.175834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.175834][ T7704] ___sys_sendmsg+0xee/0x170 [18550.175834][ T7704] __sys_sendmsg+0xcd/0x170 [18550.175834][ T7704] do_syscall_64+0xc6/0x1e0 [18550.175834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.175834][ T7704] [18560.214933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18560.215372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18560.215372][ T7704] netdev_get_by_index+0x5e/0x80 [18560.215372][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.215372][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.215372][ T7704] ip6_route_add+0x1c/0x140 [18560.215372][ T7704] addrconf_prefix_route+0x2a6/0x430 [18560.215372][ T7704] inet6_addr_add+0x4f8/0xa40 [18560.215372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.215372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.215372][ T7704] netlink_rcv_skb+0x130/0x360 [18560.215372][ T7704] netlink_unicast+0x449/0x710 [18560.215372][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.215372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.215372][ T7704] ___sys_sendmsg+0xee/0x170 [18560.215372][ T7704] __sys_sendmsg+0xcd/0x170 [18560.215372][ T7704] do_syscall_64+0xc6/0x1e0 [18560.215372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.215372][ T7704] [18560.217657][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18560.217657][ T7704] netdev_get_by_index+0x5e/0x80 [18560.217657][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.217657][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.217657][ T7704] addrconf_f6i_alloc+0x315/0x560 [18560.217657][ T7704] ipv6_add_addr+0x411/0x2000 [18560.217657][ T7704] inet6_addr_add+0x30e/0xa40 [18560.217657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.217657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.217657][ T7704] netlink_rcv_skb+0x130/0x360 [18560.217657][ T7704] netlink_unicast+0x449/0x710 [18560.217657][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.217657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.217657][ T7704] ___sys_sendmsg+0xee/0x170 [18560.217657][ T7704] __sys_sendmsg+0xcd/0x170 [18560.217657][ T7704] do_syscall_64+0xc6/0x1e0 [18560.217657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.217657][ T7704] [18560.219900][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18560.219900][ T7704] netdev_get_by_index+0x5e/0x80 [18560.219900][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.219900][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.219900][ T7704] ip6_route_add+0x1c/0x140 [18560.219900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18560.219900][ T7704] addrconf_add_dev+0xe2/0x170 [18560.219900][ T7704] inet6_addr_add+0x12f/0xa40 [18560.219900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.219900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.219900][ T7704] netlink_rcv_skb+0x130/0x360 [18560.219900][ T7704] netlink_unicast+0x449/0x710 [18560.219900][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.219900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.219900][ T7704] ___sys_sendmsg+0xee/0x170 [18560.219900][ T7704] __sys_sendmsg+0xcd/0x170 [18560.219900][ T7704] do_syscall_64+0xc6/0x1e0 [18560.219900][ T7704] [18560.222131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18560.222131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18560.222131][ T7704] ipv6_find_idev+0x102/0x170 [18560.222131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18560.222131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.222131][ T7704] netlink_rcv_skb+0x130/0x360 [18560.222131][ T7704] netlink_unicast+0x449/0x710 [18560.222131][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.222131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.222131][ T7704] ___sys_sendmsg+0xee/0x170 [18560.222131][ T7704] __sys_sendmsg+0xcd/0x170 [18560.222131][ T7704] do_syscall_64+0xc6/0x1e0 [18560.222131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.222131][ T7704] [18560.223871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18560.223871][ T7704] neigh_parms_alloc+0x1e5/0x510 [18560.223871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18560.223871][ T7704] ipv6_find_idev+0x102/0x170 [18560.223871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18560.223871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.223871][ T7704] netlink_rcv_skb+0x130/0x360 [18560.223871][ T7704] netlink_unicast+0x449/0x710 [18560.223871][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.223871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.223871][ T7704] ___sys_sendmsg+0xee/0x170 [18560.223871][ T7704] __sys_sendmsg+0xcd/0x170 [18560.223871][ T7704] do_syscall_64+0xc6/0x1e0 [18560.223871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.223871][ T7704] [18570.478974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18570.479389][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18570.479389][ T7704] netdev_get_by_index+0x5e/0x80 [18570.479389][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.479389][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.479389][ T7704] ip6_route_add+0x1c/0x140 [18570.479389][ T7704] addrconf_prefix_route+0x2a6/0x430 [18570.479389][ T7704] inet6_addr_add+0x4f8/0xa40 [18570.479389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.479389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.479389][ T7704] netlink_rcv_skb+0x130/0x360 [18570.479389][ T7704] netlink_unicast+0x449/0x710 [18570.479389][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.479389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.479389][ T7704] ___sys_sendmsg+0xee/0x170 [18570.479389][ T7704] __sys_sendmsg+0xcd/0x170 [18570.479389][ T7704] do_syscall_64+0xc6/0x1e0 [18570.479389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.479389][ T7704] [18570.481625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18570.481625][ T7704] netdev_get_by_index+0x5e/0x80 [18570.481625][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.481625][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.481625][ T7704] addrconf_f6i_alloc+0x315/0x560 [18570.481625][ T7704] ipv6_add_addr+0x411/0x2000 [18570.481625][ T7704] inet6_addr_add+0x30e/0xa40 [18570.481625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.481625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.481625][ T7704] netlink_rcv_skb+0x130/0x360 [18570.481625][ T7704] netlink_unicast+0x449/0x710 [18570.481625][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.481625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.481625][ T7704] ___sys_sendmsg+0xee/0x170 [18570.481625][ T7704] __sys_sendmsg+0xcd/0x170 [18570.481625][ T7704] do_syscall_64+0xc6/0x1e0 [18570.481625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.481625][ T7704] [18570.483857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18570.483857][ T7704] netdev_get_by_index+0x5e/0x80 [18570.483857][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.483857][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.483857][ T7704] ip6_route_add+0x1c/0x140 [18570.483857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18570.483857][ T7704] addrconf_add_dev+0xe2/0x170 [18570.483857][ T7704] inet6_addr_add+0x12f/0xa40 [18570.483857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.483857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.483857][ T7704] netlink_rcv_skb+0x130/0x360 [18570.483857][ T7704] netlink_unicast+0x449/0x710 [18570.483857][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.483857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.483857][ T7704] ___sys_sendmsg+0xee/0x170 [18570.483857][ T7704] __sys_sendmsg+0xcd/0x170 [18570.483857][ T7704] do_syscall_64+0xc6/0x1e0 [18570.483857][ T7704] [18570.486032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18570.486032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18570.486032][ T7704] ipv6_find_idev+0x102/0x170 [18570.486032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18570.486032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.486032][ T7704] netlink_rcv_skb+0x130/0x360 [18570.486032][ T7704] netlink_unicast+0x449/0x710 [18570.486032][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.486032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.486032][ T7704] ___sys_sendmsg+0xee/0x170 [18570.486032][ T7704] __sys_sendmsg+0xcd/0x170 [18570.486032][ T7704] do_syscall_64+0xc6/0x1e0 [18570.486032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.486032][ T7704] [18570.488231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18570.488231][ T7704] neigh_parms_alloc+0x1e5/0x510 [18570.488231][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18570.488231][ T7704] ipv6_find_idev+0x102/0x170 [18570.488231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18570.488231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.488231][ T7704] netlink_rcv_skb+0x130/0x360 [18570.488231][ T7704] netlink_unicast+0x449/0x710 [18570.488231][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.488231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.488231][ T7704] ___sys_sendmsg+0xee/0x170 [18570.488231][ T7704] __sys_sendmsg+0xcd/0x170 [18570.488231][ T7704] do_syscall_64+0xc6/0x1e0 [18570.488231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.488231][ T7704] [18580.743004][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18580.743494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18580.743494][ T7704] netdev_get_by_index+0x5e/0x80 [18580.743494][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.743494][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.743494][ T7704] ip6_route_add+0x1c/0x140 [18580.743494][ T7704] addrconf_prefix_route+0x2a6/0x430 [18580.743494][ T7704] inet6_addr_add+0x4f8/0xa40 [18580.743494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.743494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.743494][ T7704] netlink_rcv_skb+0x130/0x360 [18580.743494][ T7704] netlink_unicast+0x449/0x710 [18580.743494][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.743494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.743494][ T7704] ___sys_sendmsg+0xee/0x170 [18580.743494][ T7704] __sys_sendmsg+0xcd/0x170 [18580.743494][ T7704] do_syscall_64+0xc6/0x1e0 [18580.743494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.743494][ T7704] [18580.745764][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18580.745764][ T7704] netdev_get_by_index+0x5e/0x80 [18580.745764][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.745764][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.745764][ T7704] addrconf_f6i_alloc+0x315/0x560 [18580.745764][ T7704] ipv6_add_addr+0x411/0x2000 [18580.745764][ T7704] inet6_addr_add+0x30e/0xa40 [18580.745764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.745764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.745764][ T7704] netlink_rcv_skb+0x130/0x360 [18580.745764][ T7704] netlink_unicast+0x449/0x710 [18580.745764][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.745764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.745764][ T7704] ___sys_sendmsg+0xee/0x170 [18580.745764][ T7704] __sys_sendmsg+0xcd/0x170 [18580.745764][ T7704] do_syscall_64+0xc6/0x1e0 [18580.745764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.745764][ T7704] [18580.748002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18580.748002][ T7704] netdev_get_by_index+0x5e/0x80 [18580.748002][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.748002][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.748002][ T7704] ip6_route_add+0x1c/0x140 [18580.748002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18580.748002][ T7704] addrconf_add_dev+0xe2/0x170 [18580.748002][ T7704] inet6_addr_add+0x12f/0xa40 [18580.748002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.748002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.748002][ T7704] netlink_rcv_skb+0x130/0x360 [18580.748002][ T7704] netlink_unicast+0x449/0x710 [18580.748002][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.748002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.748002][ T7704] ___sys_sendmsg+0xee/0x170 [18580.748002][ T7704] __sys_sendmsg+0xcd/0x170 [18580.748002][ T7704] do_syscall_64+0xc6/0x1e0 [18580.748002][ T7704] [18580.750181][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18580.750181][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18580.750181][ T7704] ipv6_find_idev+0x102/0x170 [18580.750181][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18580.750181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.750181][ T7704] netlink_rcv_skb+0x130/0x360 [18580.750181][ T7704] netlink_unicast+0x449/0x710 [18580.750181][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.750181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.750181][ T7704] ___sys_sendmsg+0xee/0x170 [18580.750181][ T7704] __sys_sendmsg+0xcd/0x170 [18580.750181][ T7704] do_syscall_64+0xc6/0x1e0 [18580.750181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.750181][ T7704] [18580.751891][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18580.751891][ T7704] neigh_parms_alloc+0x1e5/0x510 [18580.751891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18580.751891][ T7704] ipv6_find_idev+0x102/0x170 [18580.751891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18580.751891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.751891][ T7704] netlink_rcv_skb+0x130/0x360 [18580.751891][ T7704] netlink_unicast+0x449/0x710 [18580.751891][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.751891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.751891][ T7704] ___sys_sendmsg+0xee/0x170 [18580.751891][ T7704] __sys_sendmsg+0xcd/0x170 [18580.751891][ T7704] do_syscall_64+0xc6/0x1e0 [18580.751891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.751891][ T7704] [18590.839054][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18590.839560][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18590.839560][ T7704] netdev_get_by_index+0x5e/0x80 [18590.839560][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.839560][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.839560][ T7704] ip6_route_add+0x1c/0x140 [18590.839560][ T7704] addrconf_prefix_route+0x2a6/0x430 [18590.839560][ T7704] inet6_addr_add+0x4f8/0xa40 [18590.839560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.839560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.839560][ T7704] netlink_rcv_skb+0x130/0x360 [18590.839560][ T7704] netlink_unicast+0x449/0x710 [18590.839560][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.839560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.839560][ T7704] ___sys_sendmsg+0xee/0x170 [18590.839560][ T7704] __sys_sendmsg+0xcd/0x170 [18590.839560][ T7704] do_syscall_64+0xc6/0x1e0 [18590.839560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.839560][ T7704] [18590.841912][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18590.841912][ T7704] netdev_get_by_index+0x5e/0x80 [18590.841912][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.841912][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.841912][ T7704] addrconf_f6i_alloc+0x315/0x560 [18590.841912][ T7704] ipv6_add_addr+0x411/0x2000 [18590.841912][ T7704] inet6_addr_add+0x30e/0xa40 [18590.841912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.841912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.841912][ T7704] netlink_rcv_skb+0x130/0x360 [18590.841912][ T7704] netlink_unicast+0x449/0x710 [18590.841912][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.841912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.841912][ T7704] ___sys_sendmsg+0xee/0x170 [18590.841912][ T7704] __sys_sendmsg+0xcd/0x170 [18590.841912][ T7704] do_syscall_64+0xc6/0x1e0 [18590.841912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.841912][ T7704] [18590.844176][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18590.844176][ T7704] netdev_get_by_index+0x5e/0x80 [18590.844176][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.844176][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.844176][ T7704] ip6_route_add+0x1c/0x140 [18590.844176][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18590.844176][ T7704] addrconf_add_dev+0xe2/0x170 [18590.844176][ T7704] inet6_addr_add+0x12f/0xa40 [18590.844176][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.844176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.844176][ T7704] netlink_rcv_skb+0x130/0x360 [18590.844176][ T7704] netlink_unicast+0x449/0x710 [18590.844176][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.844176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.844176][ T7704] ___sys_sendmsg+0xee/0x170 [18590.844176][ T7704] __sys_sendmsg+0xcd/0x170 [18590.844176][ T7704] do_syscall_64+0xc6/0x1e0 [18590.844176][ T7704] [18590.846443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18590.846443][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18590.846443][ T7704] ipv6_find_idev+0x102/0x170 [18590.846443][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18590.846443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.846443][ T7704] netlink_rcv_skb+0x130/0x360 [18590.846443][ T7704] netlink_unicast+0x449/0x710 [18590.846443][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.846443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.846443][ T7704] ___sys_sendmsg+0xee/0x170 [18590.846443][ T7704] __sys_sendmsg+0xcd/0x170 [18590.846443][ T7704] do_syscall_64+0xc6/0x1e0 [18590.846443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.846443][ T7704] [18590.848171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18590.848171][ T7704] neigh_parms_alloc+0x1e5/0x510 [18590.848171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18590.848171][ T7704] ipv6_find_idev+0x102/0x170 [18590.848171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18590.848171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.848171][ T7704] netlink_rcv_skb+0x130/0x360 [18590.848171][ T7704] netlink_unicast+0x449/0x710 [18590.848171][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.848171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.848171][ T7704] ___sys_sendmsg+0xee/0x170 [18590.848171][ T7704] __sys_sendmsg+0xcd/0x170 [18590.848171][ T7704] do_syscall_64+0xc6/0x1e0 [18590.848171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.848171][ T7704] [18600.886955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18600.887453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18600.887453][ T7704] netdev_get_by_index+0x5e/0x80 [18600.887453][ T7704] fib6_nh_init+0x3d8/0x15b0 [18600.887453][ T7704] ip6_route_info_create+0xf18/0x17d0 [18600.887453][ T7704] ip6_route_add+0x1c/0x140 [18600.887453][ T7704] addrconf_prefix_route+0x2a6/0x430 [18600.887453][ T7704] inet6_addr_add+0x4f8/0xa40 [18600.887453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18600.887453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18600.887453][ T7704] netlink_rcv_skb+0x130/0x360 [18600.887453][ T7704] netlink_unicast+0x449/0x710 [18600.887453][ T7704] netlink_sendmsg+0x723/0xbe0 [18600.887453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18600.887453][ T7704] ___sys_sendmsg+0xee/0x170 [18600.887453][ T7704] __sys_sendmsg+0xcd/0x170 [18600.887453][ T7704] do_syscall_64+0xc6/0x1e0 [18600.887453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18600.887453][ T7704] [18600.889726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18600.889726][ T7704] netdev_get_by_index+0x5e/0x80 [18600.889726][ T7704] fib6_nh_init+0x3d8/0x15b0 [18600.889726][ T7704] ip6_route_info_create+0xf18/0x17d0 [18600.889726][ T7704] addrconf_f6i_alloc+0x315/0x560 [18600.889726][ T7704] ipv6_add_addr+0x411/0x2000 [18600.889726][ T7704] inet6_addr_add+0x30e/0xa40 [18600.889726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18600.889726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18600.889726][ T7704] netlink_rcv_skb+0x130/0x360 [18600.889726][ T7704] netlink_unicast+0x449/0x710 [18600.889726][ T7704] netlink_sendmsg+0x723/0xbe0 [18600.889726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18600.889726][ T7704] ___sys_sendmsg+0xee/0x170 [18600.889726][ T7704] __sys_sendmsg+0xcd/0x170 [18600.889726][ T7704] do_syscall_64+0xc6/0x1e0 [18600.889726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18600.889726][ T7704] [18600.891997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18600.891997][ T7704] netdev_get_by_index+0x5e/0x80 [18600.891997][ T7704] fib6_nh_init+0x3d8/0x15b0 [18600.891997][ T7704] ip6_route_info_create+0xf18/0x17d0 [18600.891997][ T7704] ip6_route_add+0x1c/0x140 [18600.891997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18600.891997][ T7704] addrconf_add_dev+0xe2/0x170 [18600.891997][ T7704] inet6_addr_add+0x12f/0xa40 [18600.891997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18600.891997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18600.891997][ T7704] netlink_rcv_skb+0x130/0x360 [18600.891997][ T7704] netlink_unicast+0x449/0x710 [18600.891997][ T7704] netlink_sendmsg+0x723/0xbe0 [18600.891997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18600.891997][ T7704] ___sys_sendmsg+0xee/0x170 [18600.891997][ T7704] __sys_sendmsg+0xcd/0x170 [18600.891997][ T7704] do_syscall_64+0xc6/0x1e0 [18600.891997][ T7704] [18600.894230][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18600.894230][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18600.894230][ T7704] ipv6_find_idev+0x102/0x170 [18600.894230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18600.894230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18600.894230][ T7704] netlink_rcv_skb+0x130/0x360 [18600.894230][ T7704] netlink_unicast+0x449/0x710 [18600.894230][ T7704] netlink_sendmsg+0x723/0xbe0 [18600.894230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18600.894230][ T7704] ___sys_sendmsg+0xee/0x170 [18600.894230][ T7704] __sys_sendmsg+0xcd/0x170 [18600.894230][ T7704] do_syscall_64+0xc6/0x1e0 [18600.894230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18600.894230][ T7704] [18600.895936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18600.895936][ T7704] neigh_parms_alloc+0x1e5/0x510 [18600.895936][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18600.895936][ T7704] ipv6_find_idev+0x102/0x170 [18600.895936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18600.895936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18600.895936][ T7704] netlink_rcv_skb+0x130/0x360 [18600.895936][ T7704] netlink_unicast+0x449/0x710 [18600.895936][ T7704] netlink_sendmsg+0x723/0xbe0 [18600.895936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18600.895936][ T7704] ___sys_sendmsg+0xee/0x170 [18600.895936][ T7704] __sys_sendmsg+0xcd/0x170 [18600.895936][ T7704] do_syscall_64+0xc6/0x1e0 [18600.895936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18600.895936][ T7704] [18611.151045][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18611.151532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18611.151532][ T7704] netdev_get_by_index+0x5e/0x80 [18611.151532][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.151532][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.151532][ T7704] ip6_route_add+0x1c/0x140 [18611.151532][ T7704] addrconf_prefix_route+0x2a6/0x430 [18611.151532][ T7704] inet6_addr_add+0x4f8/0xa40 [18611.151532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.151532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.151532][ T7704] netlink_rcv_skb+0x130/0x360 [18611.151532][ T7704] netlink_unicast+0x449/0x710 [18611.151532][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.151532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.151532][ T7704] ___sys_sendmsg+0xee/0x170 [18611.151532][ T7704] __sys_sendmsg+0xcd/0x170 [18611.151532][ T7704] do_syscall_64+0xc6/0x1e0 [18611.151532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.151532][ T7704] [18611.153822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18611.153822][ T7704] netdev_get_by_index+0x5e/0x80 [18611.153822][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.153822][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.153822][ T7704] addrconf_f6i_alloc+0x315/0x560 [18611.153822][ T7704] ipv6_add_addr+0x411/0x2000 [18611.153822][ T7704] inet6_addr_add+0x30e/0xa40 [18611.153822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.153822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.153822][ T7704] netlink_rcv_skb+0x130/0x360 [18611.153822][ T7704] netlink_unicast+0x449/0x710 [18611.153822][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.153822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.153822][ T7704] ___sys_sendmsg+0xee/0x170 [18611.153822][ T7704] __sys_sendmsg+0xcd/0x170 [18611.153822][ T7704] do_syscall_64+0xc6/0x1e0 [18611.153822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.153822][ T7704] [18611.156073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18611.156073][ T7704] netdev_get_by_index+0x5e/0x80 [18611.156073][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.156073][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.156073][ T7704] ip6_route_add+0x1c/0x140 [18611.156073][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18611.156073][ T7704] addrconf_add_dev+0xe2/0x170 [18611.156073][ T7704] inet6_addr_add+0x12f/0xa40 [18611.156073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.156073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.156073][ T7704] netlink_rcv_skb+0x130/0x360 [18611.156073][ T7704] netlink_unicast+0x449/0x710 [18611.156073][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.156073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.156073][ T7704] ___sys_sendmsg+0xee/0x170 [18611.156073][ T7704] __sys_sendmsg+0xcd/0x170 [18611.156073][ T7704] do_syscall_64+0xc6/0x1e0 [18611.156073][ T7704] [18611.158275][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18611.158275][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18611.158275][ T7704] ipv6_find_idev+0x102/0x170 [18611.158275][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18611.158275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.158275][ T7704] netlink_rcv_skb+0x130/0x360 [18611.158275][ T7704] netlink_unicast+0x449/0x710 [18611.158275][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.158275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.158275][ T7704] ___sys_sendmsg+0xee/0x170 [18611.158275][ T7704] __sys_sendmsg+0xcd/0x170 [18611.158275][ T7704] do_syscall_64+0xc6/0x1e0 [18611.158275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.158275][ T7704] [18611.160009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18611.160009][ T7704] neigh_parms_alloc+0x1e5/0x510 [18611.160009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18611.160009][ T7704] ipv6_find_idev+0x102/0x170 [18611.160009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18611.160009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.160009][ T7704] netlink_rcv_skb+0x130/0x360 [18611.160009][ T7704] netlink_unicast+0x449/0x710 [18611.160009][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.160009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.160009][ T7704] ___sys_sendmsg+0xee/0x170 [18611.160009][ T7704] __sys_sendmsg+0xcd/0x170 [18611.160009][ T7704] do_syscall_64+0xc6/0x1e0 [18611.160009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.160009][ T7704] [18621.398950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18621.399456][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18621.399456][ T7704] netdev_get_by_index+0x5e/0x80 [18621.399456][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.399456][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.399456][ T7704] ip6_route_add+0x1c/0x140 [18621.399456][ T7704] addrconf_prefix_route+0x2a6/0x430 [18621.399456][ T7704] inet6_addr_add+0x4f8/0xa40 [18621.399456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.399456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.399456][ T7704] netlink_rcv_skb+0x130/0x360 [18621.399456][ T7704] netlink_unicast+0x449/0x710 [18621.399456][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.399456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.399456][ T7704] ___sys_sendmsg+0xee/0x170 [18621.399456][ T7704] __sys_sendmsg+0xcd/0x170 [18621.399456][ T7704] do_syscall_64+0xc6/0x1e0 [18621.399456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.399456][ T7704] [18621.401735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18621.401735][ T7704] netdev_get_by_index+0x5e/0x80 [18621.401735][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.401735][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.401735][ T7704] addrconf_f6i_alloc+0x315/0x560 [18621.401735][ T7704] ipv6_add_addr+0x411/0x2000 [18621.401735][ T7704] inet6_addr_add+0x30e/0xa40 [18621.401735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.401735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.401735][ T7704] netlink_rcv_skb+0x130/0x360 [18621.401735][ T7704] netlink_unicast+0x449/0x710 [18621.401735][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.401735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.401735][ T7704] ___sys_sendmsg+0xee/0x170 [18621.401735][ T7704] __sys_sendmsg+0xcd/0x170 [18621.401735][ T7704] do_syscall_64+0xc6/0x1e0 [18621.401735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.401735][ T7704] [18621.403998][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18621.403998][ T7704] netdev_get_by_index+0x5e/0x80 [18621.403998][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.403998][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.403998][ T7704] ip6_route_add+0x1c/0x140 [18621.403998][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18621.403998][ T7704] addrconf_add_dev+0xe2/0x170 [18621.403998][ T7704] inet6_addr_add+0x12f/0xa40 [18621.403998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.403998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.403998][ T7704] netlink_rcv_skb+0x130/0x360 [18621.403998][ T7704] netlink_unicast+0x449/0x710 [18621.403998][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.403998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.403998][ T7704] ___sys_sendmsg+0xee/0x170 [18621.403998][ T7704] __sys_sendmsg+0xcd/0x170 [18621.403998][ T7704] do_syscall_64+0xc6/0x1e0 [18621.403998][ T7704] [18621.406202][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18621.406202][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18621.406202][ T7704] ipv6_find_idev+0x102/0x170 [18621.406202][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18621.406202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.406202][ T7704] netlink_rcv_skb+0x130/0x360 [18621.406202][ T7704] netlink_unicast+0x449/0x710 [18621.406202][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.406202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.406202][ T7704] ___sys_sendmsg+0xee/0x170 [18621.406202][ T7704] __sys_sendmsg+0xcd/0x170 [18621.406202][ T7704] do_syscall_64+0xc6/0x1e0 [18621.406202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.406202][ T7704] [18621.407934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18621.407934][ T7704] neigh_parms_alloc+0x1e5/0x510 [18621.407934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18621.407934][ T7704] ipv6_find_idev+0x102/0x170 [18621.407934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18621.407934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.407934][ T7704] netlink_rcv_skb+0x130/0x360 [18621.407934][ T7704] netlink_unicast+0x449/0x710 [18621.407934][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.407934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.407934][ T7704] ___sys_sendmsg+0xee/0x170 [18621.407934][ T7704] __sys_sendmsg+0xcd/0x170 [18621.407934][ T7704] do_syscall_64+0xc6/0x1e0 [18621.407934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.407934][ T7704] [18631.646936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18631.647431][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18631.647431][ T7704] netdev_get_by_index+0x5e/0x80 [18631.647431][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.647431][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.647431][ T7704] ip6_route_add+0x1c/0x140 [18631.647431][ T7704] addrconf_prefix_route+0x2a6/0x430 [18631.647431][ T7704] inet6_addr_add+0x4f8/0xa40 [18631.647431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.647431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.647431][ T7704] netlink_rcv_skb+0x130/0x360 [18631.647431][ T7704] netlink_unicast+0x449/0x710 [18631.647431][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.647431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.647431][ T7704] ___sys_sendmsg+0xee/0x170 [18631.647431][ T7704] __sys_sendmsg+0xcd/0x170 [18631.647431][ T7704] do_syscall_64+0xc6/0x1e0 [18631.647431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.647431][ T7704] [18631.649680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18631.649680][ T7704] netdev_get_by_index+0x5e/0x80 [18631.649680][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.649680][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.649680][ T7704] addrconf_f6i_alloc+0x315/0x560 [18631.649680][ T7704] ipv6_add_addr+0x411/0x2000 [18631.649680][ T7704] inet6_addr_add+0x30e/0xa40 [18631.649680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.649680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.649680][ T7704] netlink_rcv_skb+0x130/0x360 [18631.649680][ T7704] netlink_unicast+0x449/0x710 [18631.649680][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.649680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.649680][ T7704] ___sys_sendmsg+0xee/0x170 [18631.649680][ T7704] __sys_sendmsg+0xcd/0x170 [18631.649680][ T7704] do_syscall_64+0xc6/0x1e0 [18631.649680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.649680][ T7704] [18631.651907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18631.651907][ T7704] netdev_get_by_index+0x5e/0x80 [18631.651907][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.651907][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.651907][ T7704] ip6_route_add+0x1c/0x140 [18631.651907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18631.651907][ T7704] addrconf_add_dev+0xe2/0x170 [18631.651907][ T7704] inet6_addr_add+0x12f/0xa40 [18631.651907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.651907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.651907][ T7704] netlink_rcv_skb+0x130/0x360 [18631.651907][ T7704] netlink_unicast+0x449/0x710 [18631.651907][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.651907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.651907][ T7704] ___sys_sendmsg+0xee/0x170 [18631.651907][ T7704] __sys_sendmsg+0xcd/0x170 [18631.651907][ T7704] do_syscall_64+0xc6/0x1e0 [18631.651907][ T7704] [18631.654108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18631.654108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18631.654108][ T7704] ipv6_find_idev+0x102/0x170 [18631.654108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18631.654108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.654108][ T7704] netlink_rcv_skb+0x130/0x360 [18631.654108][ T7704] netlink_unicast+0x449/0x710 [18631.654108][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.654108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.654108][ T7704] ___sys_sendmsg+0xee/0x170 [18631.654108][ T7704] __sys_sendmsg+0xcd/0x170 [18631.654108][ T7704] do_syscall_64+0xc6/0x1e0 [18631.654108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.654108][ T7704] [18631.655820][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18631.655820][ T7704] neigh_parms_alloc+0x1e5/0x510 [18631.655820][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18631.655820][ T7704] ipv6_find_idev+0x102/0x170 [18631.655820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18631.655820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.655820][ T7704] netlink_rcv_skb+0x130/0x360 [18631.655820][ T7704] netlink_unicast+0x449/0x710 [18631.655820][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.655820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.655820][ T7704] ___sys_sendmsg+0xee/0x170 [18631.655820][ T7704] __sys_sendmsg+0xcd/0x170 [18631.655820][ T7704] do_syscall_64+0xc6/0x1e0 [18631.655820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.655820][ T7704] [18641.894950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18641.895422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18641.895422][ T7704] netdev_get_by_index+0x5e/0x80 [18641.895422][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.895422][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.895422][ T7704] ip6_route_add+0x1c/0x140 [18641.895422][ T7704] addrconf_prefix_route+0x2a6/0x430 [18641.895422][ T7704] inet6_addr_add+0x4f8/0xa40 [18641.895422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.895422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.895422][ T7704] netlink_rcv_skb+0x130/0x360 [18641.895422][ T7704] netlink_unicast+0x449/0x710 [18641.895422][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.895422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.895422][ T7704] ___sys_sendmsg+0xee/0x170 [18641.895422][ T7704] __sys_sendmsg+0xcd/0x170 [18641.895422][ T7704] do_syscall_64+0xc6/0x1e0 [18641.895422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.895422][ T7704] [18641.897669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18641.897669][ T7704] netdev_get_by_index+0x5e/0x80 [18641.897669][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.897669][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.897669][ T7704] addrconf_f6i_alloc+0x315/0x560 [18641.897669][ T7704] ipv6_add_addr+0x411/0x2000 [18641.897669][ T7704] inet6_addr_add+0x30e/0xa40 [18641.897669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.897669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.897669][ T7704] netlink_rcv_skb+0x130/0x360 [18641.897669][ T7704] netlink_unicast+0x449/0x710 [18641.897669][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.897669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.897669][ T7704] ___sys_sendmsg+0xee/0x170 [18641.897669][ T7704] __sys_sendmsg+0xcd/0x170 [18641.897669][ T7704] do_syscall_64+0xc6/0x1e0 [18641.897669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.897669][ T7704] [18641.899893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18641.899893][ T7704] netdev_get_by_index+0x5e/0x80 [18641.899893][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.899893][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.899893][ T7704] ip6_route_add+0x1c/0x140 [18641.899893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18641.899893][ T7704] addrconf_add_dev+0xe2/0x170 [18641.899893][ T7704] inet6_addr_add+0x12f/0xa40 [18641.899893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.899893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.899893][ T7704] netlink_rcv_skb+0x130/0x360 [18641.899893][ T7704] netlink_unicast+0x449/0x710 [18641.899893][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.899893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.899893][ T7704] ___sys_sendmsg+0xee/0x170 [18641.899893][ T7704] __sys_sendmsg+0xcd/0x170 [18641.899893][ T7704] do_syscall_64+0xc6/0x1e0 [18641.899893][ T7704] [18641.902072][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18641.902072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18641.902072][ T7704] ipv6_find_idev+0x102/0x170 [18641.902072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18641.902072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.902072][ T7704] netlink_rcv_skb+0x130/0x360 [18641.902072][ T7704] netlink_unicast+0x449/0x710 [18641.902072][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.902072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.902072][ T7704] ___sys_sendmsg+0xee/0x170 [18641.902072][ T7704] __sys_sendmsg+0xcd/0x170 [18641.902072][ T7704] do_syscall_64+0xc6/0x1e0 [18641.902072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.902072][ T7704] [18641.903790][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18641.903790][ T7704] neigh_parms_alloc+0x1e5/0x510 [18641.903790][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18641.903790][ T7704] ipv6_find_idev+0x102/0x170 [18641.903790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18641.903790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.903790][ T7704] netlink_rcv_skb+0x130/0x360 [18641.903790][ T7704] netlink_unicast+0x449/0x710 [18641.903790][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.903790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.903790][ T7704] ___sys_sendmsg+0xee/0x170 [18641.903790][ T7704] __sys_sendmsg+0xcd/0x170 [18641.903790][ T7704] do_syscall_64+0xc6/0x1e0 [18641.903790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.903790][ T7704] [18652.062899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18652.063388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18652.063388][ T7704] netdev_get_by_index+0x5e/0x80 [18652.063388][ T7704] fib6_nh_init+0x3d8/0x15b0 [18652.063388][ T7704] ip6_route_info_create+0xf18/0x17d0 [18652.063388][ T7704] ip6_route_add+0x1c/0x140 [18652.063388][ T7704] addrconf_prefix_route+0x2a6/0x430 [18652.063388][ T7704] inet6_addr_add+0x4f8/0xa40 [18652.063388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18652.063388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.063388][ T7704] netlink_rcv_skb+0x130/0x360 [18652.063388][ T7704] netlink_unicast+0x449/0x710 [18652.063388][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.063388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.063388][ T7704] ___sys_sendmsg+0xee/0x170 [18652.063388][ T7704] __sys_sendmsg+0xcd/0x170 [18652.063388][ T7704] do_syscall_64+0xc6/0x1e0 [18652.063388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.063388][ T7704] [18652.065853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18652.065853][ T7704] netdev_get_by_index+0x5e/0x80 [18652.065853][ T7704] fib6_nh_init+0x3d8/0x15b0 [18652.065853][ T7704] ip6_route_info_create+0xf18/0x17d0 [18652.065853][ T7704] addrconf_f6i_alloc+0x315/0x560 [18652.065853][ T7704] ipv6_add_addr+0x411/0x2000 [18652.065853][ T7704] inet6_addr_add+0x30e/0xa40 [18652.065853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18652.065853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.065853][ T7704] netlink_rcv_skb+0x130/0x360 [18652.065853][ T7704] netlink_unicast+0x449/0x710 [18652.065853][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.065853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.065853][ T7704] ___sys_sendmsg+0xee/0x170 [18652.065853][ T7704] __sys_sendmsg+0xcd/0x170 [18652.065853][ T7704] do_syscall_64+0xc6/0x1e0 [18652.065853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.065853][ T7704] [18652.068313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18652.068313][ T7704] netdev_get_by_index+0x5e/0x80 [18652.068313][ T7704] fib6_nh_init+0x3d8/0x15b0 [18652.068313][ T7704] ip6_route_info_create+0xf18/0x17d0 [18652.068313][ T7704] ip6_route_add+0x1c/0x140 [18652.068313][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18652.068313][ T7704] addrconf_add_dev+0xe2/0x170 [18652.068313][ T7704] inet6_addr_add+0x12f/0xa40 [18652.068313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18652.068313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.068313][ T7704] netlink_rcv_skb+0x130/0x360 [18652.068313][ T7704] netlink_unicast+0x449/0x710 [18652.068313][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.068313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.068313][ T7704] ___sys_sendmsg+0xee/0x170 [18652.068313][ T7704] __sys_sendmsg+0xcd/0x170 [18652.068313][ T7704] do_syscall_64+0xc6/0x1e0 [18652.068313][ T7704] [18652.070743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18652.070743][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18652.070743][ T7704] ipv6_find_idev+0x102/0x170 [18652.070743][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18652.070743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.070743][ T7704] netlink_rcv_skb+0x130/0x360 [18652.070743][ T7704] netlink_unicast+0x449/0x710 [18652.070743][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.070743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.070743][ T7704] ___sys_sendmsg+0xee/0x170 [18652.070743][ T7704] __sys_sendmsg+0xcd/0x170 [18652.070743][ T7704] do_syscall_64+0xc6/0x1e0 [18652.070743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.070743][ T7704] [18652.072627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18652.072627][ T7704] neigh_parms_alloc+0x1e5/0x510 [18652.072627][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18652.072627][ T7704] ipv6_find_idev+0x102/0x170 [18652.072627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18652.072627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.072627][ T7704] netlink_rcv_skb+0x130/0x360 [18652.072627][ T7704] netlink_unicast+0x449/0x710 [18652.072627][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.072627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.072627][ T7704] ___sys_sendmsg+0xee/0x170 [18652.072627][ T7704] __sys_sendmsg+0xcd/0x170 [18652.072627][ T7704] do_syscall_64+0xc6/0x1e0 [18652.072627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.072627][ T7704] [18662.150966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18662.151458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18662.151458][ T7704] netdev_get_by_index+0x5e/0x80 [18662.151458][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.151458][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.151458][ T7704] ip6_route_add+0x1c/0x140 [18662.151458][ T7704] addrconf_prefix_route+0x2a6/0x430 [18662.151458][ T7704] inet6_addr_add+0x4f8/0xa40 [18662.151458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.151458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.151458][ T7704] netlink_rcv_skb+0x130/0x360 [18662.151458][ T7704] netlink_unicast+0x449/0x710 [18662.151458][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.151458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.151458][ T7704] ___sys_sendmsg+0xee/0x170 [18662.151458][ T7704] __sys_sendmsg+0xcd/0x170 [18662.151458][ T7704] do_syscall_64+0xc6/0x1e0 [18662.151458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.151458][ T7704] [18662.154218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18662.154218][ T7704] netdev_get_by_index+0x5e/0x80 [18662.154218][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.154218][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.154218][ T7704] addrconf_f6i_alloc+0x315/0x560 [18662.154218][ T7704] ipv6_add_addr+0x411/0x2000 [18662.154218][ T7704] inet6_addr_add+0x30e/0xa40 [18662.154218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.154218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.154218][ T7704] netlink_rcv_skb+0x130/0x360 [18662.154218][ T7704] netlink_unicast+0x449/0x710 [18662.154218][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.154218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.154218][ T7704] ___sys_sendmsg+0xee/0x170 [18662.154218][ T7704] __sys_sendmsg+0xcd/0x170 [18662.154218][ T7704] do_syscall_64+0xc6/0x1e0 [18662.154218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.154218][ T7704] [18662.156933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18662.156933][ T7704] netdev_get_by_index+0x5e/0x80 [18662.156933][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.156933][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.156933][ T7704] ip6_route_add+0x1c/0x140 [18662.156933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18662.156933][ T7704] addrconf_add_dev+0xe2/0x170 [18662.156933][ T7704] inet6_addr_add+0x12f/0xa40 [18662.156933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.156933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.156933][ T7704] netlink_rcv_skb+0x130/0x360 [18662.156933][ T7704] netlink_unicast+0x449/0x710 [18662.156933][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.156933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.156933][ T7704] ___sys_sendmsg+0xee/0x170 [18662.156933][ T7704] __sys_sendmsg+0xcd/0x170 [18662.156933][ T7704] do_syscall_64+0xc6/0x1e0 [18662.156933][ T7704] [18662.159605][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18662.159605][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18662.159605][ T7704] ipv6_find_idev+0x102/0x170 [18662.159605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18662.159605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.159605][ T7704] netlink_rcv_skb+0x130/0x360 [18662.159605][ T7704] netlink_unicast+0x449/0x710 [18662.159605][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.159605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.159605][ T7704] ___sys_sendmsg+0xee/0x170 [18662.159605][ T7704] __sys_sendmsg+0xcd/0x170 [18662.159605][ T7704] do_syscall_64+0xc6/0x1e0 [18662.159605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.159605][ T7704] [18662.161696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18662.161696][ T7704] neigh_parms_alloc+0x1e5/0x510 [18662.161696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18662.161696][ T7704] ipv6_find_idev+0x102/0x170 [18662.161696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18662.161696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.161696][ T7704] netlink_rcv_skb+0x130/0x360 [18662.161696][ T7704] netlink_unicast+0x449/0x710 [18662.161696][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.161696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.161696][ T7704] ___sys_sendmsg+0xee/0x170 [18662.161696][ T7704] __sys_sendmsg+0xcd/0x170 [18662.161696][ T7704] do_syscall_64+0xc6/0x1e0 [18662.161696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.161696][ T7704] [18672.406962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18672.407460][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18672.407460][ T7704] netdev_get_by_index+0x5e/0x80 [18672.407460][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.407460][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.407460][ T7704] ip6_route_add+0x1c/0x140 [18672.407460][ T7704] addrconf_prefix_route+0x2a6/0x430 [18672.407460][ T7704] inet6_addr_add+0x4f8/0xa40 [18672.407460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.407460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.407460][ T7704] netlink_rcv_skb+0x130/0x360 [18672.407460][ T7704] netlink_unicast+0x449/0x710 [18672.407460][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.407460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.407460][ T7704] ___sys_sendmsg+0xee/0x170 [18672.407460][ T7704] __sys_sendmsg+0xcd/0x170 [18672.407460][ T7704] do_syscall_64+0xc6/0x1e0 [18672.407460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.407460][ T7704] [18672.410135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18672.410135][ T7704] netdev_get_by_index+0x5e/0x80 [18672.410135][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.410135][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.410135][ T7704] addrconf_f6i_alloc+0x315/0x560 [18672.410135][ T7704] ipv6_add_addr+0x411/0x2000 [18672.410135][ T7704] inet6_addr_add+0x30e/0xa40 [18672.410135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.410135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.410135][ T7704] netlink_rcv_skb+0x130/0x360 [18672.410135][ T7704] netlink_unicast+0x449/0x710 [18672.410135][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.410135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.410135][ T7704] ___sys_sendmsg+0xee/0x170 [18672.410135][ T7704] __sys_sendmsg+0xcd/0x170 [18672.410135][ T7704] do_syscall_64+0xc6/0x1e0 [18672.410135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.410135][ T7704] [18672.412865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18672.412865][ T7704] netdev_get_by_index+0x5e/0x80 [18672.412865][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.412865][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.412865][ T7704] ip6_route_add+0x1c/0x140 [18672.412865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18672.412865][ T7704] addrconf_add_dev+0xe2/0x170 [18672.412865][ T7704] inet6_addr_add+0x12f/0xa40 [18672.412865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.412865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.412865][ T7704] netlink_rcv_skb+0x130/0x360 [18672.412865][ T7704] netlink_unicast+0x449/0x710 [18672.412865][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.412865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.412865][ T7704] ___sys_sendmsg+0xee/0x170 [18672.412865][ T7704] __sys_sendmsg+0xcd/0x170 [18672.412865][ T7704] do_syscall_64+0xc6/0x1e0 [18672.412865][ T7704] [18672.415547][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18672.415547][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18672.415547][ T7704] ipv6_find_idev+0x102/0x170 [18672.415547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18672.415547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.415547][ T7704] netlink_rcv_skb+0x130/0x360 [18672.415547][ T7704] netlink_unicast+0x449/0x710 [18672.415547][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.415547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.415547][ T7704] ___sys_sendmsg+0xee/0x170 [18672.415547][ T7704] __sys_sendmsg+0xcd/0x170 [18672.415547][ T7704] do_syscall_64+0xc6/0x1e0 [18672.415547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.415547][ T7704] [18672.417641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18672.417641][ T7704] neigh_parms_alloc+0x1e5/0x510 [18672.417641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18672.417641][ T7704] ipv6_find_idev+0x102/0x170 [18672.417641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18672.417641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.417641][ T7704] netlink_rcv_skb+0x130/0x360 [18672.417641][ T7704] netlink_unicast+0x449/0x710 [18672.417641][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.417641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.417641][ T7704] ___sys_sendmsg+0xee/0x170 [18672.417641][ T7704] __sys_sendmsg+0xcd/0x170 [18672.417641][ T7704] do_syscall_64+0xc6/0x1e0 [18672.417641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.417641][ T7704] [18682.663003][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18682.663500][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18682.663500][ T7704] netdev_get_by_index+0x5e/0x80 [18682.663500][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.663500][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.663500][ T7704] ip6_route_add+0x1c/0x140 [18682.663500][ T7704] addrconf_prefix_route+0x2a6/0x430 [18682.663500][ T7704] inet6_addr_add+0x4f8/0xa40 [18682.663500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.663500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.663500][ T7704] netlink_rcv_skb+0x130/0x360 [18682.663500][ T7704] netlink_unicast+0x449/0x710 [18682.663500][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.663500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.663500][ T7704] ___sys_sendmsg+0xee/0x170 [18682.663500][ T7704] __sys_sendmsg+0xcd/0x170 [18682.663500][ T7704] do_syscall_64+0xc6/0x1e0 [18682.663500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.663500][ T7704] [18682.666257][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18682.666257][ T7704] netdev_get_by_index+0x5e/0x80 [18682.666257][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.666257][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.666257][ T7704] addrconf_f6i_alloc+0x315/0x560 [18682.666257][ T7704] ipv6_add_addr+0x411/0x2000 [18682.666257][ T7704] inet6_addr_add+0x30e/0xa40 [18682.666257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.666257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.666257][ T7704] netlink_rcv_skb+0x130/0x360 [18682.666257][ T7704] netlink_unicast+0x449/0x710 [18682.666257][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.666257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.666257][ T7704] ___sys_sendmsg+0xee/0x170 [18682.666257][ T7704] __sys_sendmsg+0xcd/0x170 [18682.666257][ T7704] do_syscall_64+0xc6/0x1e0 [18682.666257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.666257][ T7704] [18682.668983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18682.668983][ T7704] netdev_get_by_index+0x5e/0x80 [18682.668983][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.668983][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.668983][ T7704] ip6_route_add+0x1c/0x140 [18682.668983][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18682.668983][ T7704] addrconf_add_dev+0xe2/0x170 [18682.668983][ T7704] inet6_addr_add+0x12f/0xa40 [18682.668983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.668983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.668983][ T7704] netlink_rcv_skb+0x130/0x360 [18682.668983][ T7704] netlink_unicast+0x449/0x710 [18682.668983][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.668983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.668983][ T7704] ___sys_sendmsg+0xee/0x170 [18682.668983][ T7704] __sys_sendmsg+0xcd/0x170 [18682.668983][ T7704] do_syscall_64+0xc6/0x1e0 [18682.668983][ T7704] [18682.671655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18682.671655][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18682.671655][ T7704] ipv6_find_idev+0x102/0x170 [18682.671655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18682.671655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.671655][ T7704] netlink_rcv_skb+0x130/0x360 [18682.671655][ T7704] netlink_unicast+0x449/0x710 [18682.671655][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.671655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.671655][ T7704] ___sys_sendmsg+0xee/0x170 [18682.671655][ T7704] __sys_sendmsg+0xcd/0x170 [18682.671655][ T7704] do_syscall_64+0xc6/0x1e0 [18682.671655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.671655][ T7704] [18682.673755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18682.673755][ T7704] neigh_parms_alloc+0x1e5/0x510 [18682.673755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18682.673755][ T7704] ipv6_find_idev+0x102/0x170 [18682.673755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18682.673755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.673755][ T7704] netlink_rcv_skb+0x130/0x360 [18682.673755][ T7704] netlink_unicast+0x449/0x710 [18682.673755][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.673755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.673755][ T7704] ___sys_sendmsg+0xee/0x170 [18682.673755][ T7704] __sys_sendmsg+0xcd/0x170 [18682.673755][ T7704] do_syscall_64+0xc6/0x1e0 [18682.673755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.673755][ T7704] [18692.918955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18692.919447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18692.919447][ T7704] netdev_get_by_index+0x5e/0x80 [18692.919447][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.919447][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.919447][ T7704] ip6_route_add+0x1c/0x140 [18692.919447][ T7704] addrconf_prefix_route+0x2a6/0x430 [18692.919447][ T7704] inet6_addr_add+0x4f8/0xa40 [18692.919447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.919447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.919447][ T7704] netlink_rcv_skb+0x130/0x360 [18692.919447][ T7704] netlink_unicast+0x449/0x710 [18692.919447][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.919447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.919447][ T7704] ___sys_sendmsg+0xee/0x170 [18692.919447][ T7704] __sys_sendmsg+0xcd/0x170 [18692.919447][ T7704] do_syscall_64+0xc6/0x1e0 [18692.919447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.919447][ T7704] [18692.922185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18692.922185][ T7704] netdev_get_by_index+0x5e/0x80 [18692.922185][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.922185][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.922185][ T7704] addrconf_f6i_alloc+0x315/0x560 [18692.922185][ T7704] ipv6_add_addr+0x411/0x2000 [18692.922185][ T7704] inet6_addr_add+0x30e/0xa40 [18692.922185][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.922185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.922185][ T7704] netlink_rcv_skb+0x130/0x360 [18692.922185][ T7704] netlink_unicast+0x449/0x710 [18692.922185][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.922185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.922185][ T7704] ___sys_sendmsg+0xee/0x170 [18692.922185][ T7704] __sys_sendmsg+0xcd/0x170 [18692.922185][ T7704] do_syscall_64+0xc6/0x1e0 [18692.922185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.922185][ T7704] [18692.924916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18692.924916][ T7704] netdev_get_by_index+0x5e/0x80 [18692.924916][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.924916][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.924916][ T7704] ip6_route_add+0x1c/0x140 [18692.924916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18692.924916][ T7704] addrconf_add_dev+0xe2/0x170 [18692.924916][ T7704] inet6_addr_add+0x12f/0xa40 [18692.924916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.924916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.924916][ T7704] netlink_rcv_skb+0x130/0x360 [18692.924916][ T7704] netlink_unicast+0x449/0x710 [18692.924916][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.924916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.924916][ T7704] ___sys_sendmsg+0xee/0x170 [18692.924916][ T7704] __sys_sendmsg+0xcd/0x170 [18692.924916][ T7704] do_syscall_64+0xc6/0x1e0 [18692.924916][ T7704] [18692.927608][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18692.927608][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18692.927608][ T7704] ipv6_find_idev+0x102/0x170 [18692.927608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18692.927608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.927608][ T7704] netlink_rcv_skb+0x130/0x360 [18692.927608][ T7704] netlink_unicast+0x449/0x710 [18692.927608][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.927608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.927608][ T7704] ___sys_sendmsg+0xee/0x170 [18692.927608][ T7704] __sys_sendmsg+0xcd/0x170 [18692.927608][ T7704] do_syscall_64+0xc6/0x1e0 [18692.927608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.927608][ T7704] [18692.929698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18692.929698][ T7704] neigh_parms_alloc+0x1e5/0x510 [18692.929698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18692.929698][ T7704] ipv6_find_idev+0x102/0x170 [18692.929698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18692.929698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.929698][ T7704] netlink_rcv_skb+0x130/0x360 [18692.929698][ T7704] netlink_unicast+0x449/0x710 [18692.929698][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.929698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.929698][ T7704] ___sys_sendmsg+0xee/0x170 [18692.929698][ T7704] __sys_sendmsg+0xcd/0x170 [18692.929698][ T7704] do_syscall_64+0xc6/0x1e0 [18692.929698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.929698][ T7704] [18703.174957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18703.175452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18703.175452][ T7704] netdev_get_by_index+0x5e/0x80 [18703.175452][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.175452][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.175452][ T7704] ip6_route_add+0x1c/0x140 [18703.175452][ T7704] addrconf_prefix_route+0x2a6/0x430 [18703.175452][ T7704] inet6_addr_add+0x4f8/0xa40 [18703.175452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.175452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.175452][ T7704] netlink_rcv_skb+0x130/0x360 [18703.175452][ T7704] netlink_unicast+0x449/0x710 [18703.175452][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.175452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.175452][ T7704] ___sys_sendmsg+0xee/0x170 [18703.175452][ T7704] __sys_sendmsg+0xcd/0x170 [18703.175452][ T7704] do_syscall_64+0xc6/0x1e0 [18703.175452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.175452][ T7704] [18703.178204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18703.178204][ T7704] netdev_get_by_index+0x5e/0x80 [18703.178204][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.178204][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.178204][ T7704] addrconf_f6i_alloc+0x315/0x560 [18703.178204][ T7704] ipv6_add_addr+0x411/0x2000 [18703.178204][ T7704] inet6_addr_add+0x30e/0xa40 [18703.178204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.178204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.178204][ T7704] netlink_rcv_skb+0x130/0x360 [18703.178204][ T7704] netlink_unicast+0x449/0x710 [18703.178204][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.178204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.178204][ T7704] ___sys_sendmsg+0xee/0x170 [18703.178204][ T7704] __sys_sendmsg+0xcd/0x170 [18703.178204][ T7704] do_syscall_64+0xc6/0x1e0 [18703.178204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.178204][ T7704] [18703.180923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18703.180923][ T7704] netdev_get_by_index+0x5e/0x80 [18703.180923][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.180923][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.180923][ T7704] ip6_route_add+0x1c/0x140 [18703.180923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18703.180923][ T7704] addrconf_add_dev+0xe2/0x170 [18703.180923][ T7704] inet6_addr_add+0x12f/0xa40 [18703.180923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.180923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.180923][ T7704] netlink_rcv_skb+0x130/0x360 [18703.180923][ T7704] netlink_unicast+0x449/0x710 [18703.180923][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.180923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.180923][ T7704] ___sys_sendmsg+0xee/0x170 [18703.180923][ T7704] __sys_sendmsg+0xcd/0x170 [18703.180923][ T7704] do_syscall_64+0xc6/0x1e0 [18703.180923][ T7704] [18703.183603][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18703.183603][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18703.183603][ T7704] ipv6_find_idev+0x102/0x170 [18703.183603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18703.183603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.183603][ T7704] netlink_rcv_skb+0x130/0x360 [18703.183603][ T7704] netlink_unicast+0x449/0x710 [18703.183603][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.183603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.183603][ T7704] ___sys_sendmsg+0xee/0x170 [18703.183603][ T7704] __sys_sendmsg+0xcd/0x170 [18703.183603][ T7704] do_syscall_64+0xc6/0x1e0 [18703.183603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.183603][ T7704] [18703.185696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18703.185696][ T7704] neigh_parms_alloc+0x1e5/0x510 [18703.185696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18703.185696][ T7704] ipv6_find_idev+0x102/0x170 [18703.185696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18703.185696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.185696][ T7704] netlink_rcv_skb+0x130/0x360 [18703.185696][ T7704] netlink_unicast+0x449/0x710 [18703.185696][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.185696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.185696][ T7704] ___sys_sendmsg+0xee/0x170 [18703.185696][ T7704] __sys_sendmsg+0xcd/0x170 [18703.185696][ T7704] do_syscall_64+0xc6/0x1e0 [18703.185696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.185696][ T7704] [18713.430982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18713.431405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18713.431405][ T7704] netdev_get_by_index+0x5e/0x80 [18713.431405][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.431405][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.431405][ T7704] ip6_route_add+0x1c/0x140 [18713.431405][ T7704] addrconf_prefix_route+0x2a6/0x430 [18713.431405][ T7704] inet6_addr_add+0x4f8/0xa40 [18713.431405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.431405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.431405][ T7704] netlink_rcv_skb+0x130/0x360 [18713.431405][ T7704] netlink_unicast+0x449/0x710 [18713.431405][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.431405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.431405][ T7704] ___sys_sendmsg+0xee/0x170 [18713.431405][ T7704] __sys_sendmsg+0xcd/0x170 [18713.431405][ T7704] do_syscall_64+0xc6/0x1e0 [18713.431405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.431405][ T7704] [18713.433663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18713.433663][ T7704] netdev_get_by_index+0x5e/0x80 [18713.433663][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.433663][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.433663][ T7704] addrconf_f6i_alloc+0x315/0x560 [18713.433663][ T7704] ipv6_add_addr+0x411/0x2000 [18713.433663][ T7704] inet6_addr_add+0x30e/0xa40 [18713.433663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.433663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.433663][ T7704] netlink_rcv_skb+0x130/0x360 [18713.433663][ T7704] netlink_unicast+0x449/0x710 [18713.433663][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.433663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.433663][ T7704] ___sys_sendmsg+0xee/0x170 [18713.433663][ T7704] __sys_sendmsg+0xcd/0x170 [18713.433663][ T7704] do_syscall_64+0xc6/0x1e0 [18713.433663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.433663][ T7704] [18713.435879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18713.435879][ T7704] netdev_get_by_index+0x5e/0x80 [18713.435879][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.435879][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.435879][ T7704] ip6_route_add+0x1c/0x140 [18713.435879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18713.435879][ T7704] addrconf_add_dev+0xe2/0x170 [18713.435879][ T7704] inet6_addr_add+0x12f/0xa40 [18713.435879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.435879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.435879][ T7704] netlink_rcv_skb+0x130/0x360 [18713.435879][ T7704] netlink_unicast+0x449/0x710 [18713.435879][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.435879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.435879][ T7704] ___sys_sendmsg+0xee/0x170 [18713.435879][ T7704] __sys_sendmsg+0xcd/0x170 [18713.435879][ T7704] do_syscall_64+0xc6/0x1e0 [18713.435879][ T7704] [18713.438054][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18713.438054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18713.438054][ T7704] ipv6_find_idev+0x102/0x170 [18713.438054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18713.438054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.438054][ T7704] netlink_rcv_skb+0x130/0x360 [18713.438054][ T7704] netlink_unicast+0x449/0x710 [18713.438054][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.438054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.438054][ T7704] ___sys_sendmsg+0xee/0x170 [18713.438054][ T7704] __sys_sendmsg+0xcd/0x170 [18713.438054][ T7704] do_syscall_64+0xc6/0x1e0 [18713.438054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.438054][ T7704] [18713.439758][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18713.439758][ T7704] neigh_parms_alloc+0x1e5/0x510 [18713.439758][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18713.439758][ T7704] ipv6_find_idev+0x102/0x170 [18713.439758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18713.439758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.439758][ T7704] netlink_rcv_skb+0x130/0x360 [18713.439758][ T7704] netlink_unicast+0x449/0x710 [18713.439758][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.439758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.439758][ T7704] ___sys_sendmsg+0xee/0x170 [18713.439758][ T7704] __sys_sendmsg+0xcd/0x170 [18713.439758][ T7704] do_syscall_64+0xc6/0x1e0 [18713.439758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.439758][ T7704] [18723.662963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18723.663466][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18723.663466][ T7704] netdev_get_by_index+0x5e/0x80 [18723.663466][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.663466][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.663466][ T7704] ip6_route_add+0x1c/0x140 [18723.663466][ T7704] addrconf_prefix_route+0x2a6/0x430 [18723.663466][ T7704] inet6_addr_add+0x4f8/0xa40 [18723.663466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.663466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.663466][ T7704] netlink_rcv_skb+0x130/0x360 [18723.663466][ T7704] netlink_unicast+0x449/0x710 [18723.663466][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.663466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.663466][ T7704] ___sys_sendmsg+0xee/0x170 [18723.663466][ T7704] __sys_sendmsg+0xcd/0x170 [18723.663466][ T7704] do_syscall_64+0xc6/0x1e0 [18723.663466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.663466][ T7704] [18723.665700][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18723.665700][ T7704] netdev_get_by_index+0x5e/0x80 [18723.665700][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.665700][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.665700][ T7704] addrconf_f6i_alloc+0x315/0x560 [18723.665700][ T7704] ipv6_add_addr+0x411/0x2000 [18723.665700][ T7704] inet6_addr_add+0x30e/0xa40 [18723.665700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.665700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.665700][ T7704] netlink_rcv_skb+0x130/0x360 [18723.665700][ T7704] netlink_unicast+0x449/0x710 [18723.665700][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.665700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.665700][ T7704] ___sys_sendmsg+0xee/0x170 [18723.665700][ T7704] __sys_sendmsg+0xcd/0x170 [18723.665700][ T7704] do_syscall_64+0xc6/0x1e0 [18723.665700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.665700][ T7704] [18723.667922][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18723.667922][ T7704] netdev_get_by_index+0x5e/0x80 [18723.667922][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.667922][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.667922][ T7704] ip6_route_add+0x1c/0x140 [18723.667922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18723.667922][ T7704] addrconf_add_dev+0xe2/0x170 [18723.667922][ T7704] inet6_addr_add+0x12f/0xa40 [18723.667922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.667922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.667922][ T7704] netlink_rcv_skb+0x130/0x360 [18723.667922][ T7704] netlink_unicast+0x449/0x710 [18723.667922][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.667922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.667922][ T7704] ___sys_sendmsg+0xee/0x170 [18723.667922][ T7704] __sys_sendmsg+0xcd/0x170 [18723.667922][ T7704] do_syscall_64+0xc6/0x1e0 [18723.667922][ T7704] [18723.670099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18723.670099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18723.670099][ T7704] ipv6_find_idev+0x102/0x170 [18723.670099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18723.670099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.670099][ T7704] netlink_rcv_skb+0x130/0x360 [18723.670099][ T7704] netlink_unicast+0x449/0x710 [18723.670099][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.670099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.670099][ T7704] ___sys_sendmsg+0xee/0x170 [18723.670099][ T7704] __sys_sendmsg+0xcd/0x170 [18723.670099][ T7704] do_syscall_64+0xc6/0x1e0 [18723.670099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.670099][ T7704] [18723.671805][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18723.671805][ T7704] neigh_parms_alloc+0x1e5/0x510 [18723.671805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18723.671805][ T7704] ipv6_find_idev+0x102/0x170 [18723.671805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18723.671805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.671805][ T7704] netlink_rcv_skb+0x130/0x360 [18723.671805][ T7704] netlink_unicast+0x449/0x710 [18723.671805][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.671805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.671805][ T7704] ___sys_sendmsg+0xee/0x170 [18723.671805][ T7704] __sys_sendmsg+0xcd/0x170 [18723.671805][ T7704] do_syscall_64+0xc6/0x1e0 [18723.671805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.671805][ T7704] [18733.910942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18733.911425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18733.911425][ T7704] netdev_get_by_index+0x5e/0x80 [18733.911425][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.911425][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.911425][ T7704] ip6_route_add+0x1c/0x140 [18733.911425][ T7704] addrconf_prefix_route+0x2a6/0x430 [18733.911425][ T7704] inet6_addr_add+0x4f8/0xa40 [18733.911425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.911425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.911425][ T7704] netlink_rcv_skb+0x130/0x360 [18733.911425][ T7704] netlink_unicast+0x449/0x710 [18733.911425][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.911425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.911425][ T7704] ___sys_sendmsg+0xee/0x170 [18733.911425][ T7704] __sys_sendmsg+0xcd/0x170 [18733.911425][ T7704] do_syscall_64+0xc6/0x1e0 [18733.911425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.911425][ T7704] [18733.913676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18733.913676][ T7704] netdev_get_by_index+0x5e/0x80 [18733.913676][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.913676][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.913676][ T7704] addrconf_f6i_alloc+0x315/0x560 [18733.913676][ T7704] ipv6_add_addr+0x411/0x2000 [18733.913676][ T7704] inet6_addr_add+0x30e/0xa40 [18733.913676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.913676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.913676][ T7704] netlink_rcv_skb+0x130/0x360 [18733.913676][ T7704] netlink_unicast+0x449/0x710 [18733.913676][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.913676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.913676][ T7704] ___sys_sendmsg+0xee/0x170 [18733.913676][ T7704] __sys_sendmsg+0xcd/0x170 [18733.913676][ T7704] do_syscall_64+0xc6/0x1e0 [18733.913676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.913676][ T7704] [18733.916019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18733.916019][ T7704] netdev_get_by_index+0x5e/0x80 [18733.916019][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.916019][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.916019][ T7704] ip6_route_add+0x1c/0x140 [18733.916019][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18733.916019][ T7704] addrconf_add_dev+0xe2/0x170 [18733.916019][ T7704] inet6_addr_add+0x12f/0xa40 [18733.916019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.916019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.916019][ T7704] netlink_rcv_skb+0x130/0x360 [18733.916019][ T7704] netlink_unicast+0x449/0x710 [18733.916019][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.916019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.916019][ T7704] ___sys_sendmsg+0xee/0x170 [18733.916019][ T7704] __sys_sendmsg+0xcd/0x170 [18733.916019][ T7704] do_syscall_64+0xc6/0x1e0 [18733.916019][ T7704] [18733.918195][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18733.918195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18733.918195][ T7704] ipv6_find_idev+0x102/0x170 [18733.918195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18733.918195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.918195][ T7704] netlink_rcv_skb+0x130/0x360 [18733.918195][ T7704] netlink_unicast+0x449/0x710 [18733.918195][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.918195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.918195][ T7704] ___sys_sendmsg+0xee/0x170 [18733.918195][ T7704] __sys_sendmsg+0xcd/0x170 [18733.918195][ T7704] do_syscall_64+0xc6/0x1e0 [18733.918195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.918195][ T7704] [18733.919902][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18733.919902][ T7704] neigh_parms_alloc+0x1e5/0x510 [18733.919902][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18733.919902][ T7704] ipv6_find_idev+0x102/0x170 [18733.919902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18733.919902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.919902][ T7704] netlink_rcv_skb+0x130/0x360 [18733.919902][ T7704] netlink_unicast+0x449/0x710 [18733.919902][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.919902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.919902][ T7704] ___sys_sendmsg+0xee/0x170 [18733.919902][ T7704] __sys_sendmsg+0xcd/0x170 [18733.919902][ T7704] do_syscall_64+0xc6/0x1e0 [18733.919902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.919902][ T7704] [18744.030954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18744.031433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18744.031433][ T7704] netdev_get_by_index+0x5e/0x80 [18744.031433][ T7704] fib6_nh_init+0x3d8/0x15b0 [18744.031433][ T7704] ip6_route_info_create+0xf18/0x17d0 [18744.031433][ T7704] ip6_route_add+0x1c/0x140 [18744.031433][ T7704] addrconf_prefix_route+0x2a6/0x430 [18744.031433][ T7704] inet6_addr_add+0x4f8/0xa40 [18744.031433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18744.031433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18744.031433][ T7704] netlink_rcv_skb+0x130/0x360 [18744.031433][ T7704] netlink_unicast+0x449/0x710 [18744.031433][ T7704] netlink_sendmsg+0x723/0xbe0 [18744.031433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18744.031433][ T7704] ___sys_sendmsg+0xee/0x170 [18744.031433][ T7704] __sys_sendmsg+0xcd/0x170 [18744.031433][ T7704] do_syscall_64+0xc6/0x1e0 [18744.031433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18744.031433][ T7704] [18744.033690][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18744.033690][ T7704] netdev_get_by_index+0x5e/0x80 [18744.033690][ T7704] fib6_nh_init+0x3d8/0x15b0 [18744.033690][ T7704] ip6_route_info_create+0xf18/0x17d0 [18744.033690][ T7704] addrconf_f6i_alloc+0x315/0x560 [18744.033690][ T7704] ipv6_add_addr+0x411/0x2000 [18744.033690][ T7704] inet6_addr_add+0x30e/0xa40 [18744.033690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18744.033690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18744.033690][ T7704] netlink_rcv_skb+0x130/0x360 [18744.033690][ T7704] netlink_unicast+0x449/0x710 [18744.033690][ T7704] netlink_sendmsg+0x723/0xbe0 [18744.033690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18744.033690][ T7704] ___sys_sendmsg+0xee/0x170 [18744.033690][ T7704] __sys_sendmsg+0xcd/0x170 [18744.033690][ T7704] do_syscall_64+0xc6/0x1e0 [18744.033690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18744.033690][ T7704] [18744.035916][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18744.035916][ T7704] netdev_get_by_index+0x5e/0x80 [18744.035916][ T7704] fib6_nh_init+0x3d8/0x15b0 [18744.035916][ T7704] ip6_route_info_create+0xf18/0x17d0 [18744.035916][ T7704] ip6_route_add+0x1c/0x140 [18744.035916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18744.035916][ T7704] addrconf_add_dev+0xe2/0x170 [18744.035916][ T7704] inet6_addr_add+0x12f/0xa40 [18744.035916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18744.035916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18744.035916][ T7704] netlink_rcv_skb+0x130/0x360 [18744.035916][ T7704] netlink_unicast+0x449/0x710 [18744.035916][ T7704] netlink_sendmsg+0x723/0xbe0 [18744.035916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18744.035916][ T7704] ___sys_sendmsg+0xee/0x170 [18744.035916][ T7704] __sys_sendmsg+0xcd/0x170 [18744.035916][ T7704] do_syscall_64+0xc6/0x1e0 [18744.035916][ T7704] [18744.038102][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18744.038102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18744.038102][ T7704] ipv6_find_idev+0x102/0x170 [18744.038102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18744.038102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18744.038102][ T7704] netlink_rcv_skb+0x130/0x360 [18744.038102][ T7704] netlink_unicast+0x449/0x710 [18744.038102][ T7704] netlink_sendmsg+0x723/0xbe0 [18744.038102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18744.038102][ T7704] ___sys_sendmsg+0xee/0x170 [18744.038102][ T7704] __sys_sendmsg+0xcd/0x170 [18744.038102][ T7704] do_syscall_64+0xc6/0x1e0 [18744.038102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18744.038102][ T7704] [18744.040183][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18744.040183][ T7704] neigh_parms_alloc+0x1e5/0x510 [18744.040183][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18744.040183][ T7704] ipv6_find_idev+0x102/0x170 [18744.040183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18744.040183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18744.040183][ T7704] netlink_rcv_skb+0x130/0x360 [18744.040183][ T7704] netlink_unicast+0x449/0x710 [18744.040183][ T7704] netlink_sendmsg+0x723/0xbe0 [18744.040183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18744.040183][ T7704] ___sys_sendmsg+0xee/0x170 [18744.040183][ T7704] __sys_sendmsg+0xcd/0x170 [18744.040183][ T7704] do_syscall_64+0xc6/0x1e0 [18744.040183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18744.040183][ T7704] [18754.286947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18754.287418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18754.287418][ T7704] netdev_get_by_index+0x5e/0x80 [18754.287418][ T7704] fib6_nh_init+0x3d8/0x15b0 [18754.287418][ T7704] ip6_route_info_create+0xf18/0x17d0 [18754.287418][ T7704] ip6_route_add+0x1c/0x140 [18754.287418][ T7704] addrconf_prefix_route+0x2a6/0x430 [18754.287418][ T7704] inet6_addr_add+0x4f8/0xa40 [18754.287418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18754.287418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18754.287418][ T7704] netlink_rcv_skb+0x130/0x360 [18754.287418][ T7704] netlink_unicast+0x449/0x710 [18754.287418][ T7704] netlink_sendmsg+0x723/0xbe0 [18754.287418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18754.287418][ T7704] ___sys_sendmsg+0xee/0x170 [18754.287418][ T7704] __sys_sendmsg+0xcd/0x170 [18754.287418][ T7704] do_syscall_64+0xc6/0x1e0 [18754.287418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18754.287418][ T7704] [18754.289667][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18754.289667][ T7704] netdev_get_by_index+0x5e/0x80 [18754.289667][ T7704] fib6_nh_init+0x3d8/0x15b0 [18754.289667][ T7704] ip6_route_info_create+0xf18/0x17d0 [18754.289667][ T7704] addrconf_f6i_alloc+0x315/0x560 [18754.289667][ T7704] ipv6_add_addr+0x411/0x2000 [18754.289667][ T7704] inet6_addr_add+0x30e/0xa40 [18754.289667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18754.289667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18754.289667][ T7704] netlink_rcv_skb+0x130/0x360 [18754.289667][ T7704] netlink_unicast+0x449/0x710 [18754.289667][ T7704] netlink_sendmsg+0x723/0xbe0 [18754.289667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18754.289667][ T7704] ___sys_sendmsg+0xee/0x170 [18754.289667][ T7704] __sys_sendmsg+0xcd/0x170 [18754.289667][ T7704] do_syscall_64+0xc6/0x1e0 [18754.289667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18754.289667][ T7704] [18754.291901][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18754.291901][ T7704] netdev_get_by_index+0x5e/0x80 [18754.291901][ T7704] fib6_nh_init+0x3d8/0x15b0 [18754.291901][ T7704] ip6_route_info_create+0xf18/0x17d0 [18754.291901][ T7704] ip6_route_add+0x1c/0x140 [18754.291901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18754.291901][ T7704] addrconf_add_dev+0xe2/0x170 [18754.291901][ T7704] inet6_addr_add+0x12f/0xa40 [18754.291901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18754.291901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18754.291901][ T7704] netlink_rcv_skb+0x130/0x360 [18754.291901][ T7704] netlink_unicast+0x449/0x710 [18754.291901][ T7704] netlink_sendmsg+0x723/0xbe0 [18754.291901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18754.291901][ T7704] ___sys_sendmsg+0xee/0x170 [18754.291901][ T7704] __sys_sendmsg+0xcd/0x170 [18754.291901][ T7704] do_syscall_64+0xc6/0x1e0 [18754.291901][ T7704] [18754.294093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18754.294093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18754.294093][ T7704] ipv6_find_idev+0x102/0x170 [18754.294093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18754.294093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18754.294093][ T7704] netlink_rcv_skb+0x130/0x360 [18754.294093][ T7704] netlink_unicast+0x449/0x710 [18754.294093][ T7704] netlink_sendmsg+0x723/0xbe0 [18754.294093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18754.294093][ T7704] ___sys_sendmsg+0xee/0x170 [18754.294093][ T7704] __sys_sendmsg+0xcd/0x170 [18754.294093][ T7704] do_syscall_64+0xc6/0x1e0 [18754.294093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18754.294093][ T7704] [18754.295802][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18754.295802][ T7704] neigh_parms_alloc+0x1e5/0x510 [18754.295802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18754.295802][ T7704] ipv6_find_idev+0x102/0x170 [18754.295802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18754.295802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18754.295802][ T7704] netlink_rcv_skb+0x130/0x360 [18754.295802][ T7704] netlink_unicast+0x449/0x710 [18754.295802][ T7704] netlink_sendmsg+0x723/0xbe0 [18754.295802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18754.295802][ T7704] ___sys_sendmsg+0xee/0x170 [18754.295802][ T7704] __sys_sendmsg+0xcd/0x170 [18754.295802][ T7704] do_syscall_64+0xc6/0x1e0 [18754.295802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18754.295802][ T7704] [18764.526941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18764.527428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18764.527428][ T7704] netdev_get_by_index+0x5e/0x80 [18764.527428][ T7704] fib6_nh_init+0x3d8/0x15b0 [18764.527428][ T7704] ip6_route_info_create+0xf18/0x17d0 [18764.527428][ T7704] ip6_route_add+0x1c/0x140 [18764.527428][ T7704] addrconf_prefix_route+0x2a6/0x430 [18764.527428][ T7704] inet6_addr_add+0x4f8/0xa40 [18764.527428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18764.527428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18764.527428][ T7704] netlink_rcv_skb+0x130/0x360 [18764.527428][ T7704] netlink_unicast+0x449/0x710 [18764.527428][ T7704] netlink_sendmsg+0x723/0xbe0 [18764.527428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18764.527428][ T7704] ___sys_sendmsg+0xee/0x170 [18764.527428][ T7704] __sys_sendmsg+0xcd/0x170 [18764.527428][ T7704] do_syscall_64+0xc6/0x1e0 [18764.527428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18764.527428][ T7704] [18764.529662][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18764.529662][ T7704] netdev_get_by_index+0x5e/0x80 [18764.529662][ T7704] fib6_nh_init+0x3d8/0x15b0 [18764.529662][ T7704] ip6_route_info_create+0xf18/0x17d0 [18764.529662][ T7704] addrconf_f6i_alloc+0x315/0x560 [18764.529662][ T7704] ipv6_add_addr+0x411/0x2000 [18764.529662][ T7704] inet6_addr_add+0x30e/0xa40 [18764.529662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18764.529662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18764.529662][ T7704] netlink_rcv_skb+0x130/0x360 [18764.529662][ T7704] netlink_unicast+0x449/0x710 [18764.529662][ T7704] netlink_sendmsg+0x723/0xbe0 [18764.529662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18764.529662][ T7704] ___sys_sendmsg+0xee/0x170 [18764.529662][ T7704] __sys_sendmsg+0xcd/0x170 [18764.529662][ T7704] do_syscall_64+0xc6/0x1e0 [18764.529662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18764.529662][ T7704] [18764.531877][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18764.531877][ T7704] netdev_get_by_index+0x5e/0x80 [18764.531877][ T7704] fib6_nh_init+0x3d8/0x15b0 [18764.531877][ T7704] ip6_route_info_create+0xf18/0x17d0 [18764.531877][ T7704] ip6_route_add+0x1c/0x140 [18764.531877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18764.531877][ T7704] addrconf_add_dev+0xe2/0x170 [18764.531877][ T7704] inet6_addr_add+0x12f/0xa40 [18764.531877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18764.531877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18764.531877][ T7704] netlink_rcv_skb+0x130/0x360 [18764.531877][ T7704] netlink_unicast+0x449/0x710 [18764.531877][ T7704] netlink_sendmsg+0x723/0xbe0 [18764.531877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18764.531877][ T7704] ___sys_sendmsg+0xee/0x170 [18764.531877][ T7704] __sys_sendmsg+0xcd/0x170 [18764.531877][ T7704] do_syscall_64+0xc6/0x1e0 [18764.531877][ T7704] [18764.534067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18764.534067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18764.534067][ T7704] ipv6_find_idev+0x102/0x170 [18764.534067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18764.534067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18764.534067][ T7704] netlink_rcv_skb+0x130/0x360 [18764.534067][ T7704] netlink_unicast+0x449/0x710 [18764.534067][ T7704] netlink_sendmsg+0x723/0xbe0 [18764.534067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18764.534067][ T7704] ___sys_sendmsg+0xee/0x170 [18764.534067][ T7704] __sys_sendmsg+0xcd/0x170 [18764.534067][ T7704] do_syscall_64+0xc6/0x1e0 [18764.534067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18764.534067][ T7704] [18764.535771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18764.535771][ T7704] neigh_parms_alloc+0x1e5/0x510 [18764.535771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18764.535771][ T7704] ipv6_find_idev+0x102/0x170 [18764.535771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18764.535771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18764.535771][ T7704] netlink_rcv_skb+0x130/0x360 [18764.535771][ T7704] netlink_unicast+0x449/0x710 [18764.535771][ T7704] netlink_sendmsg+0x723/0xbe0 [18764.535771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18764.535771][ T7704] ___sys_sendmsg+0xee/0x170 [18764.535771][ T7704] __sys_sendmsg+0xcd/0x170 [18764.535771][ T7704] do_syscall_64+0xc6/0x1e0 [18764.535771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18764.535771][ T7704] [18774.782978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18774.783459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18774.783459][ T7704] netdev_get_by_index+0x5e/0x80 [18774.783459][ T7704] fib6_nh_init+0x3d8/0x15b0 [18774.783459][ T7704] ip6_route_info_create+0xf18/0x17d0 [18774.783459][ T7704] ip6_route_add+0x1c/0x140 [18774.783459][ T7704] addrconf_prefix_route+0x2a6/0x430 [18774.783459][ T7704] inet6_addr_add+0x4f8/0xa40 [18774.783459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18774.783459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18774.783459][ T7704] netlink_rcv_skb+0x130/0x360 [18774.783459][ T7704] netlink_unicast+0x449/0x710 [18774.783459][ T7704] netlink_sendmsg+0x723/0xbe0 [18774.783459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18774.783459][ T7704] ___sys_sendmsg+0xee/0x170 [18774.783459][ T7704] __sys_sendmsg+0xcd/0x170 [18774.783459][ T7704] do_syscall_64+0xc6/0x1e0 [18774.783459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18774.783459][ T7704] [18774.785705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18774.785705][ T7704] netdev_get_by_index+0x5e/0x80 [18774.785705][ T7704] fib6_nh_init+0x3d8/0x15b0 [18774.785705][ T7704] ip6_route_info_create+0xf18/0x17d0 [18774.785705][ T7704] addrconf_f6i_alloc+0x315/0x560 [18774.785705][ T7704] ipv6_add_addr+0x411/0x2000 [18774.785705][ T7704] inet6_addr_add+0x30e/0xa40 [18774.785705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18774.785705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18774.785705][ T7704] netlink_rcv_skb+0x130/0x360 [18774.785705][ T7704] netlink_unicast+0x449/0x710 [18774.785705][ T7704] netlink_sendmsg+0x723/0xbe0 [18774.785705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18774.785705][ T7704] ___sys_sendmsg+0xee/0x170 [18774.785705][ T7704] __sys_sendmsg+0xcd/0x170 [18774.785705][ T7704] do_syscall_64+0xc6/0x1e0 [18774.785705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18774.785705][ T7704] [18774.787936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18774.787936][ T7704] netdev_get_by_index+0x5e/0x80 [18774.787936][ T7704] fib6_nh_init+0x3d8/0x15b0 [18774.787936][ T7704] ip6_route_info_create+0xf18/0x17d0 [18774.787936][ T7704] ip6_route_add+0x1c/0x140 [18774.787936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18774.787936][ T7704] addrconf_add_dev+0xe2/0x170 [18774.787936][ T7704] inet6_addr_add+0x12f/0xa40 [18774.787936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18774.787936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18774.787936][ T7704] netlink_rcv_skb+0x130/0x360 [18774.787936][ T7704] netlink_unicast+0x449/0x710 [18774.787936][ T7704] netlink_sendmsg+0x723/0xbe0 [18774.787936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18774.787936][ T7704] ___sys_sendmsg+0xee/0x170 [18774.787936][ T7704] __sys_sendmsg+0xcd/0x170 [18774.787936][ T7704] do_syscall_64+0xc6/0x1e0 [18774.787936][ T7704] [18774.790120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18774.790120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18774.790120][ T7704] ipv6_find_idev+0x102/0x170 [18774.790120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18774.790120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18774.790120][ T7704] netlink_rcv_skb+0x130/0x360 [18774.790120][ T7704] netlink_unicast+0x449/0x710 [18774.790120][ T7704] netlink_sendmsg+0x723/0xbe0 [18774.790120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18774.790120][ T7704] ___sys_sendmsg+0xee/0x170 [18774.790120][ T7704] __sys_sendmsg+0xcd/0x170 [18774.790120][ T7704] do_syscall_64+0xc6/0x1e0 [18774.790120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18774.790120][ T7704] [18774.791825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18774.791825][ T7704] neigh_parms_alloc+0x1e5/0x510 [18774.791825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18774.791825][ T7704] ipv6_find_idev+0x102/0x170 [18774.791825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18774.791825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18774.791825][ T7704] netlink_rcv_skb+0x130/0x360 [18774.791825][ T7704] netlink_unicast+0x449/0x710 [18774.791825][ T7704] netlink_sendmsg+0x723/0xbe0 [18774.791825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18774.791825][ T7704] ___sys_sendmsg+0xee/0x170 [18774.791825][ T7704] __sys_sendmsg+0xcd/0x170 [18774.791825][ T7704] do_syscall_64+0xc6/0x1e0 [18774.791825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18774.791825][ T7704] [18785.038974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18785.039498][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18785.039498][ T7704] netdev_get_by_index+0x5e/0x80 [18785.039498][ T7704] fib6_nh_init+0x3d8/0x15b0 [18785.039498][ T7704] ip6_route_info_create+0xf18/0x17d0 [18785.039498][ T7704] ip6_route_add+0x1c/0x140 [18785.039498][ T7704] addrconf_prefix_route+0x2a6/0x430 [18785.039498][ T7704] inet6_addr_add+0x4f8/0xa40 [18785.039498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18785.039498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18785.039498][ T7704] netlink_rcv_skb+0x130/0x360 [18785.039498][ T7704] netlink_unicast+0x449/0x710 [18785.039498][ T7704] netlink_sendmsg+0x723/0xbe0 [18785.039498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18785.039498][ T7704] ___sys_sendmsg+0xee/0x170 [18785.039498][ T7704] __sys_sendmsg+0xcd/0x170 [18785.039498][ T7704] do_syscall_64+0xc6/0x1e0 [18785.039498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18785.039498][ T7704] [18785.041740][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18785.041740][ T7704] netdev_get_by_index+0x5e/0x80 [18785.041740][ T7704] fib6_nh_init+0x3d8/0x15b0 [18785.041740][ T7704] ip6_route_info_create+0xf18/0x17d0 [18785.041740][ T7704] addrconf_f6i_alloc+0x315/0x560 [18785.041740][ T7704] ipv6_add_addr+0x411/0x2000 [18785.041740][ T7704] inet6_addr_add+0x30e/0xa40 [18785.041740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18785.041740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18785.041740][ T7704] netlink_rcv_skb+0x130/0x360 [18785.041740][ T7704] netlink_unicast+0x449/0x710 [18785.041740][ T7704] netlink_sendmsg+0x723/0xbe0 [18785.041740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18785.041740][ T7704] ___sys_sendmsg+0xee/0x170 [18785.041740][ T7704] __sys_sendmsg+0xcd/0x170 [18785.041740][ T7704] do_syscall_64+0xc6/0x1e0 [18785.041740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18785.041740][ T7704] [18785.043957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18785.043957][ T7704] netdev_get_by_index+0x5e/0x80 [18785.043957][ T7704] fib6_nh_init+0x3d8/0x15b0 [18785.043957][ T7704] ip6_route_info_create+0xf18/0x17d0 [18785.043957][ T7704] ip6_route_add+0x1c/0x140 [18785.043957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18785.043957][ T7704] addrconf_add_dev+0xe2/0x170 [18785.043957][ T7704] inet6_addr_add+0x12f/0xa40 [18785.043957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18785.043957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18785.043957][ T7704] netlink_rcv_skb+0x130/0x360 [18785.043957][ T7704] netlink_unicast+0x449/0x710 [18785.043957][ T7704] netlink_sendmsg+0x723/0xbe0 [18785.043957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18785.043957][ T7704] ___sys_sendmsg+0xee/0x170 [18785.043957][ T7704] __sys_sendmsg+0xcd/0x170 [18785.043957][ T7704] do_syscall_64+0xc6/0x1e0 [18785.043957][ T7704] [18785.046131][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18785.046131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18785.046131][ T7704] ipv6_find_idev+0x102/0x170 [18785.046131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18785.046131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18785.046131][ T7704] netlink_rcv_skb+0x130/0x360 [18785.046131][ T7704] netlink_unicast+0x449/0x710 [18785.046131][ T7704] netlink_sendmsg+0x723/0xbe0 [18785.046131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18785.046131][ T7704] ___sys_sendmsg+0xee/0x170 [18785.046131][ T7704] __sys_sendmsg+0xcd/0x170 [18785.046131][ T7704] do_syscall_64+0xc6/0x1e0 [18785.046131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18785.046131][ T7704] [18785.047834][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18785.047834][ T7704] neigh_parms_alloc+0x1e5/0x510 [18785.047834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18785.047834][ T7704] ipv6_find_idev+0x102/0x170 [18785.047834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18785.047834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18785.047834][ T7704] netlink_rcv_skb+0x130/0x360 [18785.047834][ T7704] netlink_unicast+0x449/0x710 [18785.047834][ T7704] netlink_sendmsg+0x723/0xbe0 [18785.047834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18785.047834][ T7704] ___sys_sendmsg+0xee/0x170 [18785.047834][ T7704] __sys_sendmsg+0xcd/0x170 [18785.047834][ T7704] do_syscall_64+0xc6/0x1e0 [18785.047834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18785.047834][ T7704] [18795.294941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18795.295358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18795.295358][ T7704] netdev_get_by_index+0x5e/0x80 [18795.295358][ T7704] fib6_nh_init+0x3d8/0x15b0 [18795.295358][ T7704] ip6_route_info_create+0xf18/0x17d0 [18795.295358][ T7704] ip6_route_add+0x1c/0x140 [18795.295358][ T7704] addrconf_prefix_route+0x2a6/0x430 [18795.295358][ T7704] inet6_addr_add+0x4f8/0xa40 [18795.295358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18795.295358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18795.295358][ T7704] netlink_rcv_skb+0x130/0x360 [18795.295358][ T7704] netlink_unicast+0x449/0x710 [18795.295358][ T7704] netlink_sendmsg+0x723/0xbe0 [18795.295358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18795.295358][ T7704] ___sys_sendmsg+0xee/0x170 [18795.295358][ T7704] __sys_sendmsg+0xcd/0x170 [18795.295358][ T7704] do_syscall_64+0xc6/0x1e0 [18795.295358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18795.295358][ T7704] [18795.297601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18795.297601][ T7704] netdev_get_by_index+0x5e/0x80 [18795.297601][ T7704] fib6_nh_init+0x3d8/0x15b0 [18795.297601][ T7704] ip6_route_info_create+0xf18/0x17d0 [18795.297601][ T7704] addrconf_f6i_alloc+0x315/0x560 [18795.297601][ T7704] ipv6_add_addr+0x411/0x2000 [18795.297601][ T7704] inet6_addr_add+0x30e/0xa40 [18795.297601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18795.297601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18795.297601][ T7704] netlink_rcv_skb+0x130/0x360 [18795.297601][ T7704] netlink_unicast+0x449/0x710 [18795.297601][ T7704] netlink_sendmsg+0x723/0xbe0 [18795.297601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18795.297601][ T7704] ___sys_sendmsg+0xee/0x170 [18795.297601][ T7704] __sys_sendmsg+0xcd/0x170 [18795.297601][ T7704] do_syscall_64+0xc6/0x1e0 [18795.297601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18795.297601][ T7704] [18795.299810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18795.299810][ T7704] netdev_get_by_index+0x5e/0x80 [18795.299810][ T7704] fib6_nh_init+0x3d8/0x15b0 [18795.299810][ T7704] ip6_route_info_create+0xf18/0x17d0 [18795.299810][ T7704] ip6_route_add+0x1c/0x140 [18795.299810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18795.299810][ T7704] addrconf_add_dev+0xe2/0x170 [18795.299810][ T7704] inet6_addr_add+0x12f/0xa40 [18795.299810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18795.299810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18795.299810][ T7704] netlink_rcv_skb+0x130/0x360 [18795.299810][ T7704] netlink_unicast+0x449/0x710 [18795.299810][ T7704] netlink_sendmsg+0x723/0xbe0 [18795.299810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18795.299810][ T7704] ___sys_sendmsg+0xee/0x170 [18795.299810][ T7704] __sys_sendmsg+0xcd/0x170 [18795.299810][ T7704] do_syscall_64+0xc6/0x1e0 [18795.299810][ T7704] [18795.302385][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18795.302385][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18795.302385][ T7704] ipv6_find_idev+0x102/0x170 [18795.302385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18795.302385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18795.302385][ T7704] netlink_rcv_skb+0x130/0x360 [18795.302385][ T7704] netlink_unicast+0x449/0x710 [18795.302385][ T7704] netlink_sendmsg+0x723/0xbe0 [18795.302385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18795.302385][ T7704] ___sys_sendmsg+0xee/0x170 [18795.302385][ T7704] __sys_sendmsg+0xcd/0x170 [18795.302385][ T7704] do_syscall_64+0xc6/0x1e0 [18795.302385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18795.302385][ T7704] [18795.304495][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18795.304495][ T7704] neigh_parms_alloc+0x1e5/0x510 [18795.304495][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18795.304495][ T7704] ipv6_find_idev+0x102/0x170 [18795.304495][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18795.304495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18795.304495][ T7704] netlink_rcv_skb+0x130/0x360 [18795.304495][ T7704] netlink_unicast+0x449/0x710 [18795.304495][ T7704] netlink_sendmsg+0x723/0xbe0 [18795.304495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18795.304495][ T7704] ___sys_sendmsg+0xee/0x170 [18795.304495][ T7704] __sys_sendmsg+0xcd/0x170 [18795.304495][ T7704] do_syscall_64+0xc6/0x1e0 [18795.304495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18795.304495][ T7704] [18805.406949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18805.407450][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18805.407450][ T7704] netdev_get_by_index+0x5e/0x80 [18805.407450][ T7704] fib6_nh_init+0x3d8/0x15b0 [18805.407450][ T7704] ip6_route_info_create+0xf18/0x17d0 [18805.407450][ T7704] ip6_route_add+0x1c/0x140 [18805.407450][ T7704] addrconf_prefix_route+0x2a6/0x430 [18805.407450][ T7704] inet6_addr_add+0x4f8/0xa40 [18805.407450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18805.407450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18805.407450][ T7704] netlink_rcv_skb+0x130/0x360 [18805.407450][ T7704] netlink_unicast+0x449/0x710 [18805.407450][ T7704] netlink_sendmsg+0x723/0xbe0 [18805.407450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18805.407450][ T7704] ___sys_sendmsg+0xee/0x170 [18805.407450][ T7704] __sys_sendmsg+0xcd/0x170 [18805.407450][ T7704] do_syscall_64+0xc6/0x1e0 [18805.407450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18805.407450][ T7704] [18805.410189][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18805.410189][ T7704] netdev_get_by_index+0x5e/0x80 [18805.410189][ T7704] fib6_nh_init+0x3d8/0x15b0 [18805.410189][ T7704] ip6_route_info_create+0xf18/0x17d0 [18805.410189][ T7704] addrconf_f6i_alloc+0x315/0x560 [18805.410189][ T7704] ipv6_add_addr+0x411/0x2000 [18805.410189][ T7704] inet6_addr_add+0x30e/0xa40 [18805.410189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18805.410189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18805.410189][ T7704] netlink_rcv_skb+0x130/0x360 [18805.410189][ T7704] netlink_unicast+0x449/0x710 [18805.410189][ T7704] netlink_sendmsg+0x723/0xbe0 [18805.410189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18805.410189][ T7704] ___sys_sendmsg+0xee/0x170 [18805.410189][ T7704] __sys_sendmsg+0xcd/0x170 [18805.410189][ T7704] do_syscall_64+0xc6/0x1e0 [18805.410189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18805.410189][ T7704] [18805.412936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18805.412936][ T7704] netdev_get_by_index+0x5e/0x80 [18805.412936][ T7704] fib6_nh_init+0x3d8/0x15b0 [18805.412936][ T7704] ip6_route_info_create+0xf18/0x17d0 [18805.412936][ T7704] ip6_route_add+0x1c/0x140 [18805.412936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18805.412936][ T7704] addrconf_add_dev+0xe2/0x170 [18805.412936][ T7704] inet6_addr_add+0x12f/0xa40 [18805.412936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18805.412936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18805.412936][ T7704] netlink_rcv_skb+0x130/0x360 [18805.412936][ T7704] netlink_unicast+0x449/0x710 [18805.412936][ T7704] netlink_sendmsg+0x723/0xbe0 [18805.412936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18805.412936][ T7704] ___sys_sendmsg+0xee/0x170 [18805.412936][ T7704] __sys_sendmsg+0xcd/0x170 [18805.412936][ T7704] do_syscall_64+0xc6/0x1e0 [18805.412936][ T7704] [18805.415612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18805.415612][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18805.415612][ T7704] ipv6_find_idev+0x102/0x170 [18805.415612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18805.415612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18805.415612][ T7704] netlink_rcv_skb+0x130/0x360 [18805.415612][ T7704] netlink_unicast+0x449/0x710 [18805.415612][ T7704] netlink_sendmsg+0x723/0xbe0 [18805.415612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18805.415612][ T7704] ___sys_sendmsg+0xee/0x170 [18805.415612][ T7704] __sys_sendmsg+0xcd/0x170 [18805.415612][ T7704] do_syscall_64+0xc6/0x1e0 [18805.415612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18805.415612][ T7704] [18805.417704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18805.417704][ T7704] neigh_parms_alloc+0x1e5/0x510 [18805.417704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18805.417704][ T7704] ipv6_find_idev+0x102/0x170 [18805.417704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18805.417704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18805.417704][ T7704] netlink_rcv_skb+0x130/0x360 [18805.417704][ T7704] netlink_unicast+0x449/0x710 [18805.417704][ T7704] netlink_sendmsg+0x723/0xbe0 [18805.417704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18805.417704][ T7704] ___sys_sendmsg+0xee/0x170 [18805.417704][ T7704] __sys_sendmsg+0xcd/0x170 [18805.417704][ T7704] do_syscall_64+0xc6/0x1e0 [18805.417704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18805.417704][ T7704] [18815.662968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18815.663459][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18815.663459][ T7704] netdev_get_by_index+0x5e/0x80 [18815.663459][ T7704] fib6_nh_init+0x3d8/0x15b0 [18815.663459][ T7704] ip6_route_info_create+0xf18/0x17d0 [18815.663459][ T7704] ip6_route_add+0x1c/0x140 [18815.663459][ T7704] addrconf_prefix_route+0x2a6/0x430 [18815.663459][ T7704] inet6_addr_add+0x4f8/0xa40 [18815.663459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18815.663459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18815.663459][ T7704] netlink_rcv_skb+0x130/0x360 [18815.663459][ T7704] netlink_unicast+0x449/0x710 [18815.663459][ T7704] netlink_sendmsg+0x723/0xbe0 [18815.663459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18815.663459][ T7704] ___sys_sendmsg+0xee/0x170 [18815.663459][ T7704] __sys_sendmsg+0xcd/0x170 [18815.663459][ T7704] do_syscall_64+0xc6/0x1e0 [18815.663459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18815.663459][ T7704] [18815.666211][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18815.666211][ T7704] netdev_get_by_index+0x5e/0x80 [18815.666211][ T7704] fib6_nh_init+0x3d8/0x15b0 [18815.666211][ T7704] ip6_route_info_create+0xf18/0x17d0 [18815.666211][ T7704] addrconf_f6i_alloc+0x315/0x560 [18815.666211][ T7704] ipv6_add_addr+0x411/0x2000 [18815.666211][ T7704] inet6_addr_add+0x30e/0xa40 [18815.666211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18815.666211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18815.666211][ T7704] netlink_rcv_skb+0x130/0x360 [18815.666211][ T7704] netlink_unicast+0x449/0x710 [18815.666211][ T7704] netlink_sendmsg+0x723/0xbe0 [18815.666211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18815.666211][ T7704] ___sys_sendmsg+0xee/0x170 [18815.666211][ T7704] __sys_sendmsg+0xcd/0x170 [18815.666211][ T7704] do_syscall_64+0xc6/0x1e0 [18815.666211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18815.666211][ T7704] [18815.668936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18815.668936][ T7704] netdev_get_by_index+0x5e/0x80 [18815.668936][ T7704] fib6_nh_init+0x3d8/0x15b0 [18815.668936][ T7704] ip6_route_info_create+0xf18/0x17d0 [18815.668936][ T7704] ip6_route_add+0x1c/0x140 [18815.668936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18815.668936][ T7704] addrconf_add_dev+0xe2/0x170 [18815.668936][ T7704] inet6_addr_add+0x12f/0xa40 [18815.668936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18815.668936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18815.668936][ T7704] netlink_rcv_skb+0x130/0x360 [18815.668936][ T7704] netlink_unicast+0x449/0x710 [18815.668936][ T7704] netlink_sendmsg+0x723/0xbe0 [18815.668936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18815.668936][ T7704] ___sys_sendmsg+0xee/0x170 [18815.668936][ T7704] __sys_sendmsg+0xcd/0x170 [18815.668936][ T7704] do_syscall_64+0xc6/0x1e0 [18815.668936][ T7704] [18815.671611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18815.671611][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18815.671611][ T7704] ipv6_find_idev+0x102/0x170 [18815.671611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18815.671611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18815.671611][ T7704] netlink_rcv_skb+0x130/0x360 [18815.671611][ T7704] netlink_unicast+0x449/0x710 [18815.671611][ T7704] netlink_sendmsg+0x723/0xbe0 [18815.671611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18815.671611][ T7704] ___sys_sendmsg+0xee/0x170 [18815.671611][ T7704] __sys_sendmsg+0xcd/0x170 [18815.671611][ T7704] do_syscall_64+0xc6/0x1e0 [18815.671611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18815.671611][ T7704] [18815.673745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18815.673745][ T7704] neigh_parms_alloc+0x1e5/0x510 [18815.673745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18815.673745][ T7704] ipv6_find_idev+0x102/0x170 [18815.673745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18815.673745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18815.673745][ T7704] netlink_rcv_skb+0x130/0x360 [18815.673745][ T7704] netlink_unicast+0x449/0x710 [18815.673745][ T7704] netlink_sendmsg+0x723/0xbe0 [18815.673745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18815.673745][ T7704] ___sys_sendmsg+0xee/0x170 [18815.673745][ T7704] __sys_sendmsg+0xcd/0x170 [18815.673745][ T7704] do_syscall_64+0xc6/0x1e0 [18815.673745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18815.673745][ T7704] [18825.918892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18825.919369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18825.919369][ T7704] netdev_get_by_index+0x5e/0x80 [18825.919369][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.919369][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.919369][ T7704] ip6_route_add+0x1c/0x140 [18825.919369][ T7704] addrconf_prefix_route+0x2a6/0x430 [18825.919369][ T7704] inet6_addr_add+0x4f8/0xa40 [18825.919369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.919369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.919369][ T7704] netlink_rcv_skb+0x130/0x360 [18825.919369][ T7704] netlink_unicast+0x449/0x710 [18825.919369][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.919369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.919369][ T7704] ___sys_sendmsg+0xee/0x170 [18825.919369][ T7704] __sys_sendmsg+0xcd/0x170 [18825.919369][ T7704] do_syscall_64+0xc6/0x1e0 [18825.919369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.919369][ T7704] [18825.922099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18825.922099][ T7704] netdev_get_by_index+0x5e/0x80 [18825.922099][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.922099][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.922099][ T7704] addrconf_f6i_alloc+0x315/0x560 [18825.922099][ T7704] ipv6_add_addr+0x411/0x2000 [18825.922099][ T7704] inet6_addr_add+0x30e/0xa40 [18825.922099][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.922099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.922099][ T7704] netlink_rcv_skb+0x130/0x360 [18825.922099][ T7704] netlink_unicast+0x449/0x710 [18825.922099][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.922099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.922099][ T7704] ___sys_sendmsg+0xee/0x170 [18825.922099][ T7704] __sys_sendmsg+0xcd/0x170 [18825.922099][ T7704] do_syscall_64+0xc6/0x1e0 [18825.922099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.922099][ T7704] [18825.924833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18825.924833][ T7704] netdev_get_by_index+0x5e/0x80 [18825.924833][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.924833][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.924833][ T7704] ip6_route_add+0x1c/0x140 [18825.924833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18825.924833][ T7704] addrconf_add_dev+0xe2/0x170 [18825.924833][ T7704] inet6_addr_add+0x12f/0xa40 [18825.924833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.924833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.924833][ T7704] netlink_rcv_skb+0x130/0x360 [18825.924833][ T7704] netlink_unicast+0x449/0x710 [18825.924833][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.924833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.924833][ T7704] ___sys_sendmsg+0xee/0x170 [18825.924833][ T7704] __sys_sendmsg+0xcd/0x170 [18825.924833][ T7704] do_syscall_64+0xc6/0x1e0 [18825.924833][ T7704] [18825.927497][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18825.927497][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18825.927497][ T7704] ipv6_find_idev+0x102/0x170 [18825.927497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18825.927497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.927497][ T7704] netlink_rcv_skb+0x130/0x360 [18825.927497][ T7704] netlink_unicast+0x449/0x710 [18825.927497][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.927497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.927497][ T7704] ___sys_sendmsg+0xee/0x170 [18825.927497][ T7704] __sys_sendmsg+0xcd/0x170 [18825.927497][ T7704] do_syscall_64+0xc6/0x1e0 [18825.927497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.927497][ T7704] [18825.929580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18825.929580][ T7704] neigh_parms_alloc+0x1e5/0x510 [18825.929580][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18825.929580][ T7704] ipv6_find_idev+0x102/0x170 [18825.929580][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18825.929580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.929580][ T7704] netlink_rcv_skb+0x130/0x360 [18825.929580][ T7704] netlink_unicast+0x449/0x710 [18825.929580][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.929580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.929580][ T7704] ___sys_sendmsg+0xee/0x170 [18825.929580][ T7704] __sys_sendmsg+0xcd/0x170 [18825.929580][ T7704] do_syscall_64+0xc6/0x1e0 [18825.929580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.929580][ T7704] [18836.174938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18836.175444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18836.175444][ T7704] netdev_get_by_index+0x5e/0x80 [18836.175444][ T7704] fib6_nh_init+0x3d8/0x15b0 [18836.175444][ T7704] ip6_route_info_create+0xf18/0x17d0 [18836.175444][ T7704] ip6_route_add+0x1c/0x140 [18836.175444][ T7704] addrconf_prefix_route+0x2a6/0x430 [18836.175444][ T7704] inet6_addr_add+0x4f8/0xa40 [18836.175444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18836.175444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18836.175444][ T7704] netlink_rcv_skb+0x130/0x360 [18836.175444][ T7704] netlink_unicast+0x449/0x710 [18836.175444][ T7704] netlink_sendmsg+0x723/0xbe0 [18836.175444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18836.175444][ T7704] ___sys_sendmsg+0xee/0x170 [18836.175444][ T7704] __sys_sendmsg+0xcd/0x170 [18836.175444][ T7704] do_syscall_64+0xc6/0x1e0 [18836.175444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18836.175444][ T7704] [18836.178184][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18836.178184][ T7704] netdev_get_by_index+0x5e/0x80 [18836.178184][ T7704] fib6_nh_init+0x3d8/0x15b0 [18836.178184][ T7704] ip6_route_info_create+0xf18/0x17d0 [18836.178184][ T7704] addrconf_f6i_alloc+0x315/0x560 [18836.178184][ T7704] ipv6_add_addr+0x411/0x2000 [18836.178184][ T7704] inet6_addr_add+0x30e/0xa40 [18836.178184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18836.178184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18836.178184][ T7704] netlink_rcv_skb+0x130/0x360 [18836.178184][ T7704] netlink_unicast+0x449/0x710 [18836.178184][ T7704] netlink_sendmsg+0x723/0xbe0 [18836.178184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18836.178184][ T7704] ___sys_sendmsg+0xee/0x170 [18836.178184][ T7704] __sys_sendmsg+0xcd/0x170 [18836.178184][ T7704] do_syscall_64+0xc6/0x1e0 [18836.178184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18836.178184][ T7704] [18836.180903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18836.180903][ T7704] netdev_get_by_index+0x5e/0x80 [18836.180903][ T7704] fib6_nh_init+0x3d8/0x15b0 [18836.180903][ T7704] ip6_route_info_create+0xf18/0x17d0 [18836.180903][ T7704] ip6_route_add+0x1c/0x140 [18836.180903][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18836.180903][ T7704] addrconf_add_dev+0xe2/0x170 [18836.180903][ T7704] inet6_addr_add+0x12f/0xa40 [18836.180903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18836.180903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18836.180903][ T7704] netlink_rcv_skb+0x130/0x360 [18836.180903][ T7704] netlink_unicast+0x449/0x710 [18836.180903][ T7704] netlink_sendmsg+0x723/0xbe0 [18836.180903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18836.180903][ T7704] ___sys_sendmsg+0xee/0x170 [18836.180903][ T7704] __sys_sendmsg+0xcd/0x170 [18836.180903][ T7704] do_syscall_64+0xc6/0x1e0 [18836.180903][ T7704] [18836.183589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18836.183589][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18836.183589][ T7704] ipv6_find_idev+0x102/0x170 [18836.183589][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18836.183589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18836.183589][ T7704] netlink_rcv_skb+0x130/0x360 [18836.183589][ T7704] netlink_unicast+0x449/0x710 [18836.183589][ T7704] netlink_sendmsg+0x723/0xbe0 [18836.183589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18836.183589][ T7704] ___sys_sendmsg+0xee/0x170 [18836.183589][ T7704] __sys_sendmsg+0xcd/0x170 [18836.183589][ T7704] do_syscall_64+0xc6/0x1e0 [18836.183589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18836.183589][ T7704] [18836.185683][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18836.185683][ T7704] neigh_parms_alloc+0x1e5/0x510 [18836.185683][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18836.185683][ T7704] ipv6_find_idev+0x102/0x170 [18836.185683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18836.185683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18836.185683][ T7704] netlink_rcv_skb+0x130/0x360 [18836.185683][ T7704] netlink_unicast+0x449/0x710 [18836.185683][ T7704] netlink_sendmsg+0x723/0xbe0 [18836.185683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18836.185683][ T7704] ___sys_sendmsg+0xee/0x170 [18836.185683][ T7704] __sys_sendmsg+0xcd/0x170 [18836.185683][ T7704] do_syscall_64+0xc6/0x1e0 [18836.185683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18836.185683][ T7704] [18846.430957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18846.431451][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18846.431451][ T7704] netdev_get_by_index+0x5e/0x80 [18846.431451][ T7704] fib6_nh_init+0x3d8/0x15b0 [18846.431451][ T7704] ip6_route_info_create+0xf18/0x17d0 [18846.431451][ T7704] ip6_route_add+0x1c/0x140 [18846.431451][ T7704] addrconf_prefix_route+0x2a6/0x430 [18846.431451][ T7704] inet6_addr_add+0x4f8/0xa40 [18846.431451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18846.431451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18846.431451][ T7704] netlink_rcv_skb+0x130/0x360 [18846.431451][ T7704] netlink_unicast+0x449/0x710 [18846.431451][ T7704] netlink_sendmsg+0x723/0xbe0 [18846.431451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18846.431451][ T7704] ___sys_sendmsg+0xee/0x170 [18846.431451][ T7704] __sys_sendmsg+0xcd/0x170 [18846.431451][ T7704] do_syscall_64+0xc6/0x1e0 [18846.431451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18846.431451][ T7704] [18846.434217][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18846.434217][ T7704] netdev_get_by_index+0x5e/0x80 [18846.434217][ T7704] fib6_nh_init+0x3d8/0x15b0 [18846.434217][ T7704] ip6_route_info_create+0xf18/0x17d0 [18846.434217][ T7704] addrconf_f6i_alloc+0x315/0x560 [18846.434217][ T7704] ipv6_add_addr+0x411/0x2000 [18846.434217][ T7704] inet6_addr_add+0x30e/0xa40 [18846.434217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18846.434217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18846.434217][ T7704] netlink_rcv_skb+0x130/0x360 [18846.434217][ T7704] netlink_unicast+0x449/0x710 [18846.434217][ T7704] netlink_sendmsg+0x723/0xbe0 [18846.434217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18846.434217][ T7704] ___sys_sendmsg+0xee/0x170 [18846.434217][ T7704] __sys_sendmsg+0xcd/0x170 [18846.434217][ T7704] do_syscall_64+0xc6/0x1e0 [18846.434217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18846.434217][ T7704] [18846.436940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18846.436940][ T7704] netdev_get_by_index+0x5e/0x80 [18846.436940][ T7704] fib6_nh_init+0x3d8/0x15b0 [18846.436940][ T7704] ip6_route_info_create+0xf18/0x17d0 [18846.436940][ T7704] ip6_route_add+0x1c/0x140 [18846.436940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18846.436940][ T7704] addrconf_add_dev+0xe2/0x170 [18846.436940][ T7704] inet6_addr_add+0x12f/0xa40 [18846.436940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18846.436940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18846.436940][ T7704] netlink_rcv_skb+0x130/0x360 [18846.436940][ T7704] netlink_unicast+0x449/0x710 [18846.436940][ T7704] netlink_sendmsg+0x723/0xbe0 [18846.436940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18846.436940][ T7704] ___sys_sendmsg+0xee/0x170 [18846.436940][ T7704] __sys_sendmsg+0xcd/0x170 [18846.436940][ T7704] do_syscall_64+0xc6/0x1e0 [18846.436940][ T7704] [18846.439618][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18846.439618][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18846.439618][ T7704] ipv6_find_idev+0x102/0x170 [18846.439618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18846.439618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18846.439618][ T7704] netlink_rcv_skb+0x130/0x360 [18846.439618][ T7704] netlink_unicast+0x449/0x710 [18846.439618][ T7704] netlink_sendmsg+0x723/0xbe0 [18846.439618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18846.439618][ T7704] ___sys_sendmsg+0xee/0x170 [18846.439618][ T7704] __sys_sendmsg+0xcd/0x170 [18846.439618][ T7704] do_syscall_64+0xc6/0x1e0 [18846.439618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18846.439618][ T7704] [18846.441714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18846.441714][ T7704] neigh_parms_alloc+0x1e5/0x510 [18846.441714][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18846.441714][ T7704] ipv6_find_idev+0x102/0x170 [18846.441714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18846.441714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18846.441714][ T7704] netlink_rcv_skb+0x130/0x360 [18846.441714][ T7704] netlink_unicast+0x449/0x710 [18846.441714][ T7704] netlink_sendmsg+0x723/0xbe0 [18846.441714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18846.441714][ T7704] ___sys_sendmsg+0xee/0x170 [18846.441714][ T7704] __sys_sendmsg+0xcd/0x170 [18846.441714][ T7704] do_syscall_64+0xc6/0x1e0 [18846.441714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18846.441714][ T7704] [18856.686893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18856.687551][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18856.687551][ T7704] netdev_get_by_index+0x5e/0x80 [18856.687551][ T7704] fib6_nh_init+0x3d8/0x15b0 [18856.687551][ T7704] ip6_route_info_create+0xf18/0x17d0 [18856.687551][ T7704] ip6_route_add+0x1c/0x140 [18856.687551][ T7704] addrconf_prefix_route+0x2a6/0x430 [18856.687551][ T7704] inet6_addr_add+0x4f8/0xa40 [18856.687551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18856.687551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18856.687551][ T7704] netlink_rcv_skb+0x130/0x360 [18856.687551][ T7704] netlink_unicast+0x449/0x710 [18856.687551][ T7704] netlink_sendmsg+0x723/0xbe0 [18856.687551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18856.687551][ T7704] ___sys_sendmsg+0xee/0x170 [18856.687551][ T7704] __sys_sendmsg+0xcd/0x170 [18856.687551][ T7704] do_syscall_64+0xc6/0x1e0 [18856.687551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18856.687551][ T7704] [18856.691239][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18856.691239][ T7704] netdev_get_by_index+0x5e/0x80 [18856.691239][ T7704] fib6_nh_init+0x3d8/0x15b0 [18856.691239][ T7704] ip6_route_info_create+0xf18/0x17d0 [18856.691239][ T7704] addrconf_f6i_alloc+0x315/0x560 [18856.691239][ T7704] ipv6_add_addr+0x411/0x2000 [18856.691239][ T7704] inet6_addr_add+0x30e/0xa40 [18856.691239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18856.691239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18856.691239][ T7704] netlink_rcv_skb+0x130/0x360 [18856.691239][ T7704] netlink_unicast+0x449/0x710 [18856.691239][ T7704] netlink_sendmsg+0x723/0xbe0 [18856.691239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18856.691239][ T7704] ___sys_sendmsg+0xee/0x170 [18856.691239][ T7704] __sys_sendmsg+0xcd/0x170 [18856.691239][ T7704] do_syscall_64+0xc6/0x1e0 [18856.691239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18856.691239][ T7704] [18856.694803][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18856.694803][ T7704] netdev_get_by_index+0x5e/0x80 [18856.694803][ T7704] fib6_nh_init+0x3d8/0x15b0 [18856.694803][ T7704] ip6_route_info_create+0xf18/0x17d0 [18856.694803][ T7704] ip6_route_add+0x1c/0x140 [18856.694803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18856.694803][ T7704] addrconf_add_dev+0xe2/0x170 [18856.694803][ T7704] inet6_addr_add+0x12f/0xa40 [18856.694803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18856.694803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18856.694803][ T7704] netlink_rcv_skb+0x130/0x360 [18856.694803][ T7704] netlink_unicast+0x449/0x710 [18856.694803][ T7704] netlink_sendmsg+0x723/0xbe0 [18856.694803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18856.694803][ T7704] ___sys_sendmsg+0xee/0x170 [18856.694803][ T7704] __sys_sendmsg+0xcd/0x170 [18856.694803][ T7704] do_syscall_64+0xc6/0x1e0 [18856.694803][ T7704] [18856.698298][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18856.698298][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18856.698298][ T7704] ipv6_find_idev+0x102/0x170 [18856.698298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18856.698298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18856.698298][ T7704] netlink_rcv_skb+0x130/0x360 [18856.698298][ T7704] netlink_unicast+0x449/0x710 [18856.698298][ T7704] netlink_sendmsg+0x723/0xbe0 [18856.698298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18856.698298][ T7704] ___sys_sendmsg+0xee/0x170 [18856.698298][ T7704] __sys_sendmsg+0xcd/0x170 [18856.698298][ T7704] do_syscall_64+0xc6/0x1e0 [18856.698298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18856.698298][ T7704] [18856.701033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18856.701033][ T7704] neigh_parms_alloc+0x1e5/0x510 [18856.701033][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18856.701033][ T7704] ipv6_find_idev+0x102/0x170 [18856.701033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18856.701033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18856.701033][ T7704] netlink_rcv_skb+0x130/0x360 [18856.701033][ T7704] netlink_unicast+0x449/0x710 [18856.701033][ T7704] netlink_sendmsg+0x723/0xbe0 [18856.701033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18856.701033][ T7704] ___sys_sendmsg+0xee/0x170 [18856.701033][ T7704] __sys_sendmsg+0xcd/0x170 [18856.701033][ T7704] do_syscall_64+0xc6/0x1e0 [18856.701033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18856.701033][ T7704] [18866.870947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18866.871562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18866.871562][ T7704] netdev_get_by_index+0x5e/0x80 [18866.871562][ T7704] fib6_nh_init+0x3d8/0x15b0 [18866.871562][ T7704] ip6_route_info_create+0xf18/0x17d0 [18866.871562][ T7704] ip6_route_add+0x1c/0x140 [18866.871562][ T7704] addrconf_prefix_route+0x2a6/0x430 [18866.871562][ T7704] inet6_addr_add+0x4f8/0xa40 [18866.871562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18866.871562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18866.871562][ T7704] netlink_rcv_skb+0x130/0x360 [18866.871562][ T7704] netlink_unicast+0x449/0x710 [18866.871562][ T7704] netlink_sendmsg+0x723/0xbe0 [18866.871562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18866.871562][ T7704] ___sys_sendmsg+0xee/0x170 [18866.871562][ T7704] __sys_sendmsg+0xcd/0x170 [18866.871562][ T7704] do_syscall_64+0xc6/0x1e0 [18866.871562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18866.871562][ T7704] [18866.875165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18866.875165][ T7704] netdev_get_by_index+0x5e/0x80 [18866.875165][ T7704] fib6_nh_init+0x3d8/0x15b0 [18866.875165][ T7704] ip6_route_info_create+0xf18/0x17d0 [18866.875165][ T7704] addrconf_f6i_alloc+0x315/0x560 [18866.875165][ T7704] ipv6_add_addr+0x411/0x2000 [18866.875165][ T7704] inet6_addr_add+0x30e/0xa40 [18866.875165][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18866.875165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18866.875165][ T7704] netlink_rcv_skb+0x130/0x360 [18866.875165][ T7704] netlink_unicast+0x449/0x710 [18866.875165][ T7704] netlink_sendmsg+0x723/0xbe0 [18866.875165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18866.875165][ T7704] ___sys_sendmsg+0xee/0x170 [18866.875165][ T7704] __sys_sendmsg+0xcd/0x170 [18866.875165][ T7704] do_syscall_64+0xc6/0x1e0 [18866.875165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18866.875165][ T7704] [18866.878732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18866.878732][ T7704] netdev_get_by_index+0x5e/0x80 [18866.878732][ T7704] fib6_nh_init+0x3d8/0x15b0 [18866.878732][ T7704] ip6_route_info_create+0xf18/0x17d0 [18866.878732][ T7704] ip6_route_add+0x1c/0x140 [18866.878732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18866.878732][ T7704] addrconf_add_dev+0xe2/0x170 [18866.878732][ T7704] inet6_addr_add+0x12f/0xa40 [18866.878732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18866.878732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18866.878732][ T7704] netlink_rcv_skb+0x130/0x360 [18866.878732][ T7704] netlink_unicast+0x449/0x710 [18866.878732][ T7704] netlink_sendmsg+0x723/0xbe0 [18866.878732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18866.878732][ T7704] ___sys_sendmsg+0xee/0x170 [18866.878732][ T7704] __sys_sendmsg+0xcd/0x170 [18866.878732][ T7704] do_syscall_64+0xc6/0x1e0 [18866.878732][ T7704] [18866.882218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18866.882218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18866.882218][ T7704] ipv6_find_idev+0x102/0x170 [18866.882218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18866.882218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18866.882218][ T7704] netlink_rcv_skb+0x130/0x360 [18866.882218][ T7704] netlink_unicast+0x449/0x710 [18866.882218][ T7704] netlink_sendmsg+0x723/0xbe0 [18866.882218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18866.882218][ T7704] ___sys_sendmsg+0xee/0x170 [18866.882218][ T7704] __sys_sendmsg+0xcd/0x170 [18866.882218][ T7704] do_syscall_64+0xc6/0x1e0 [18866.882218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18866.882218][ T7704] [18866.884967][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18866.884967][ T7704] neigh_parms_alloc+0x1e5/0x510 [18866.884967][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18866.884967][ T7704] ipv6_find_idev+0x102/0x170 [18866.884967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18866.884967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18866.884967][ T7704] netlink_rcv_skb+0x130/0x360 [18866.884967][ T7704] netlink_unicast+0x449/0x710 [18866.884967][ T7704] netlink_sendmsg+0x723/0xbe0 [18866.884967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18866.884967][ T7704] ___sys_sendmsg+0xee/0x170 [18866.884967][ T7704] __sys_sendmsg+0xcd/0x170 [18866.884967][ T7704] do_syscall_64+0xc6/0x1e0 [18866.884967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18866.884967][ T7704] [18877.118988][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18877.119468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18877.119468][ T7704] netdev_get_by_index+0x5e/0x80 [18877.119468][ T7704] fib6_nh_init+0x3d8/0x15b0 [18877.119468][ T7704] ip6_route_info_create+0xf18/0x17d0 [18877.119468][ T7704] ip6_route_add+0x1c/0x140 [18877.119468][ T7704] addrconf_prefix_route+0x2a6/0x430 [18877.119468][ T7704] inet6_addr_add+0x4f8/0xa40 [18877.119468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18877.119468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18877.119468][ T7704] netlink_rcv_skb+0x130/0x360 [18877.119468][ T7704] netlink_unicast+0x449/0x710 [18877.119468][ T7704] netlink_sendmsg+0x723/0xbe0 [18877.119468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18877.119468][ T7704] ___sys_sendmsg+0xee/0x170 [18877.119468][ T7704] __sys_sendmsg+0xcd/0x170 [18877.119468][ T7704] do_syscall_64+0xc6/0x1e0 [18877.119468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18877.119468][ T7704] [18877.121708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18877.121708][ T7704] netdev_get_by_index+0x5e/0x80 [18877.121708][ T7704] fib6_nh_init+0x3d8/0x15b0 [18877.121708][ T7704] ip6_route_info_create+0xf18/0x17d0 [18877.121708][ T7704] addrconf_f6i_alloc+0x315/0x560 [18877.121708][ T7704] ipv6_add_addr+0x411/0x2000 [18877.121708][ T7704] inet6_addr_add+0x30e/0xa40 [18877.121708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18877.121708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18877.121708][ T7704] netlink_rcv_skb+0x130/0x360 [18877.121708][ T7704] netlink_unicast+0x449/0x710 [18877.121708][ T7704] netlink_sendmsg+0x723/0xbe0 [18877.121708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18877.121708][ T7704] ___sys_sendmsg+0xee/0x170 [18877.121708][ T7704] __sys_sendmsg+0xcd/0x170 [18877.121708][ T7704] do_syscall_64+0xc6/0x1e0 [18877.121708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18877.121708][ T7704] [18877.123949][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18877.123949][ T7704] netdev_get_by_index+0x5e/0x80 [18877.123949][ T7704] fib6_nh_init+0x3d8/0x15b0 [18877.123949][ T7704] ip6_route_info_create+0xf18/0x17d0 [18877.123949][ T7704] ip6_route_add+0x1c/0x140 [18877.123949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18877.123949][ T7704] addrconf_add_dev+0xe2/0x170 [18877.123949][ T7704] inet6_addr_add+0x12f/0xa40 [18877.123949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18877.123949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18877.123949][ T7704] netlink_rcv_skb+0x130/0x360 [18877.123949][ T7704] netlink_unicast+0x449/0x710 [18877.123949][ T7704] netlink_sendmsg+0x723/0xbe0 [18877.123949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18877.123949][ T7704] ___sys_sendmsg+0xee/0x170 [18877.123949][ T7704] __sys_sendmsg+0xcd/0x170 [18877.123949][ T7704] do_syscall_64+0xc6/0x1e0 [18877.123949][ T7704] [18877.126139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18877.126139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18877.126139][ T7704] ipv6_find_idev+0x102/0x170 [18877.126139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18877.126139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18877.126139][ T7704] netlink_rcv_skb+0x130/0x360 [18877.126139][ T7704] netlink_unicast+0x449/0x710 [18877.126139][ T7704] netlink_sendmsg+0x723/0xbe0 [18877.126139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18877.126139][ T7704] ___sys_sendmsg+0xee/0x170 [18877.126139][ T7704] __sys_sendmsg+0xcd/0x170 [18877.126139][ T7704] do_syscall_64+0xc6/0x1e0 [18877.126139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18877.126139][ T7704] [18877.127857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18877.127857][ T7704] neigh_parms_alloc+0x1e5/0x510 [18877.127857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18877.127857][ T7704] ipv6_find_idev+0x102/0x170 [18877.127857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18877.127857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18877.127857][ T7704] netlink_rcv_skb+0x130/0x360 [18877.127857][ T7704] netlink_unicast+0x449/0x710 [18877.127857][ T7704] netlink_sendmsg+0x723/0xbe0 [18877.127857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18877.127857][ T7704] ___sys_sendmsg+0xee/0x170 [18877.127857][ T7704] __sys_sendmsg+0xcd/0x170 [18877.127857][ T7704] do_syscall_64+0xc6/0x1e0 [18877.127857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18877.127857][ T7704] [18887.366944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18887.367369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18887.367369][ T7704] netdev_get_by_index+0x5e/0x80 [18887.367369][ T7704] fib6_nh_init+0x3d8/0x15b0 [18887.367369][ T7704] ip6_route_info_create+0xf18/0x17d0 [18887.367369][ T7704] ip6_route_add+0x1c/0x140 [18887.367369][ T7704] addrconf_prefix_route+0x2a6/0x430 [18887.367369][ T7704] inet6_addr_add+0x4f8/0xa40 [18887.367369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18887.367369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18887.367369][ T7704] netlink_rcv_skb+0x130/0x360 [18887.367369][ T7704] netlink_unicast+0x449/0x710 [18887.367369][ T7704] netlink_sendmsg+0x723/0xbe0 [18887.367369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18887.367369][ T7704] ___sys_sendmsg+0xee/0x170 [18887.367369][ T7704] __sys_sendmsg+0xcd/0x170 [18887.367369][ T7704] do_syscall_64+0xc6/0x1e0 [18887.367369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18887.367369][ T7704] [18887.369613][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18887.369613][ T7704] netdev_get_by_index+0x5e/0x80 [18887.369613][ T7704] fib6_nh_init+0x3d8/0x15b0 [18887.369613][ T7704] ip6_route_info_create+0xf18/0x17d0 [18887.369613][ T7704] addrconf_f6i_alloc+0x315/0x560 [18887.369613][ T7704] ipv6_add_addr+0x411/0x2000 [18887.369613][ T7704] inet6_addr_add+0x30e/0xa40 [18887.369613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18887.369613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18887.369613][ T7704] netlink_rcv_skb+0x130/0x360 [18887.369613][ T7704] netlink_unicast+0x449/0x710 [18887.369613][ T7704] netlink_sendmsg+0x723/0xbe0 [18887.369613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18887.369613][ T7704] ___sys_sendmsg+0xee/0x170 [18887.369613][ T7704] __sys_sendmsg+0xcd/0x170 [18887.369613][ T7704] do_syscall_64+0xc6/0x1e0 [18887.369613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18887.369613][ T7704] [18887.371939][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18887.371939][ T7704] netdev_get_by_index+0x5e/0x80 [18887.371939][ T7704] fib6_nh_init+0x3d8/0x15b0 [18887.371939][ T7704] ip6_route_info_create+0xf18/0x17d0 [18887.371939][ T7704] ip6_route_add+0x1c/0x140 [18887.371939][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18887.371939][ T7704] addrconf_add_dev+0xe2/0x170 [18887.371939][ T7704] inet6_addr_add+0x12f/0xa40 [18887.371939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18887.371939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18887.371939][ T7704] netlink_rcv_skb+0x130/0x360 [18887.371939][ T7704] netlink_unicast+0x449/0x710 [18887.371939][ T7704] netlink_sendmsg+0x723/0xbe0 [18887.371939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18887.371939][ T7704] ___sys_sendmsg+0xee/0x170 [18887.371939][ T7704] __sys_sendmsg+0xcd/0x170 [18887.371939][ T7704] do_syscall_64+0xc6/0x1e0 [18887.371939][ T7704] [18887.374135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18887.374135][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18887.374135][ T7704] ipv6_find_idev+0x102/0x170 [18887.374135][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18887.374135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18887.374135][ T7704] netlink_rcv_skb+0x130/0x360 [18887.374135][ T7704] netlink_unicast+0x449/0x710 [18887.374135][ T7704] netlink_sendmsg+0x723/0xbe0 [18887.374135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18887.374135][ T7704] ___sys_sendmsg+0xee/0x170 [18887.374135][ T7704] __sys_sendmsg+0xcd/0x170 [18887.374135][ T7704] do_syscall_64+0xc6/0x1e0 [18887.374135][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18887.374135][ T7704] [18887.375841][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18887.375841][ T7704] neigh_parms_alloc+0x1e5/0x510 [18887.375841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18887.375841][ T7704] ipv6_find_idev+0x102/0x170 [18887.375841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18887.375841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18887.375841][ T7704] netlink_rcv_skb+0x130/0x360 [18887.375841][ T7704] netlink_unicast+0x449/0x710 [18887.375841][ T7704] netlink_sendmsg+0x723/0xbe0 [18887.375841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18887.375841][ T7704] ___sys_sendmsg+0xee/0x170 [18887.375841][ T7704] __sys_sendmsg+0xcd/0x170 [18887.375841][ T7704] do_syscall_64+0xc6/0x1e0 [18887.375841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18887.375841][ T7704] [18897.614944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18897.615457][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18897.615457][ T7704] netdev_get_by_index+0x5e/0x80 [18897.615457][ T7704] fib6_nh_init+0x3d8/0x15b0 [18897.615457][ T7704] ip6_route_info_create+0xf18/0x17d0 [18897.615457][ T7704] ip6_route_add+0x1c/0x140 [18897.615457][ T7704] addrconf_prefix_route+0x2a6/0x430 [18897.615457][ T7704] inet6_addr_add+0x4f8/0xa40 [18897.615457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18897.615457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18897.615457][ T7704] netlink_rcv_skb+0x130/0x360 [18897.615457][ T7704] netlink_unicast+0x449/0x710 [18897.615457][ T7704] netlink_sendmsg+0x723/0xbe0 [18897.615457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18897.615457][ T7704] ___sys_sendmsg+0xee/0x170 [18897.615457][ T7704] __sys_sendmsg+0xcd/0x170 [18897.615457][ T7704] do_syscall_64+0xc6/0x1e0 [18897.615457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18897.615457][ T7704] [18897.617733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18897.617733][ T7704] netdev_get_by_index+0x5e/0x80 [18897.617733][ T7704] fib6_nh_init+0x3d8/0x15b0 [18897.617733][ T7704] ip6_route_info_create+0xf18/0x17d0 [18897.617733][ T7704] addrconf_f6i_alloc+0x315/0x560 [18897.617733][ T7704] ipv6_add_addr+0x411/0x2000 [18897.617733][ T7704] inet6_addr_add+0x30e/0xa40 [18897.617733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18897.617733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18897.617733][ T7704] netlink_rcv_skb+0x130/0x360 [18897.617733][ T7704] netlink_unicast+0x449/0x710 [18897.617733][ T7704] netlink_sendmsg+0x723/0xbe0 [18897.617733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18897.617733][ T7704] ___sys_sendmsg+0xee/0x170 [18897.617733][ T7704] __sys_sendmsg+0xcd/0x170 [18897.617733][ T7704] do_syscall_64+0xc6/0x1e0 [18897.617733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18897.617733][ T7704] [18897.619977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18897.619977][ T7704] netdev_get_by_index+0x5e/0x80 [18897.619977][ T7704] fib6_nh_init+0x3d8/0x15b0 [18897.619977][ T7704] ip6_route_info_create+0xf18/0x17d0 [18897.619977][ T7704] ip6_route_add+0x1c/0x140 [18897.619977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18897.619977][ T7704] addrconf_add_dev+0xe2/0x170 [18897.619977][ T7704] inet6_addr_add+0x12f/0xa40 [18897.619977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18897.619977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18897.619977][ T7704] netlink_rcv_skb+0x130/0x360 [18897.619977][ T7704] netlink_unicast+0x449/0x710 [18897.619977][ T7704] netlink_sendmsg+0x723/0xbe0 [18897.619977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18897.619977][ T7704] ___sys_sendmsg+0xee/0x170 [18897.619977][ T7704] __sys_sendmsg+0xcd/0x170 [18897.619977][ T7704] do_syscall_64+0xc6/0x1e0 [18897.619977][ T7704] [18897.622204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18897.622204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18897.622204][ T7704] ipv6_find_idev+0x102/0x170 [18897.622204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18897.622204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18897.622204][ T7704] netlink_rcv_skb+0x130/0x360 [18897.622204][ T7704] netlink_unicast+0x449/0x710 [18897.622204][ T7704] netlink_sendmsg+0x723/0xbe0 [18897.622204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18897.622204][ T7704] ___sys_sendmsg+0xee/0x170 [18897.622204][ T7704] __sys_sendmsg+0xcd/0x170 [18897.622204][ T7704] do_syscall_64+0xc6/0x1e0 [18897.622204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18897.622204][ T7704] [18897.623930][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18897.623930][ T7704] neigh_parms_alloc+0x1e5/0x510 [18897.623930][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18897.623930][ T7704] ipv6_find_idev+0x102/0x170 [18897.623930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18897.623930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18897.623930][ T7704] netlink_rcv_skb+0x130/0x360 [18897.623930][ T7704] netlink_unicast+0x449/0x710 [18897.623930][ T7704] netlink_sendmsg+0x723/0xbe0 [18897.623930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18897.623930][ T7704] ___sys_sendmsg+0xee/0x170 [18897.623930][ T7704] __sys_sendmsg+0xcd/0x170 [18897.623930][ T7704] do_syscall_64+0xc6/0x1e0 [18897.623930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18897.623930][ T7704] [18907.862950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18907.863400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18907.863400][ T7704] netdev_get_by_index+0x5e/0x80 [18907.863400][ T7704] fib6_nh_init+0x3d8/0x15b0 [18907.863400][ T7704] ip6_route_info_create+0xf18/0x17d0 [18907.863400][ T7704] ip6_route_add+0x1c/0x140 [18907.863400][ T7704] addrconf_prefix_route+0x2a6/0x430 [18907.863400][ T7704] inet6_addr_add+0x4f8/0xa40 [18907.863400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18907.863400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18907.863400][ T7704] netlink_rcv_skb+0x130/0x360 [18907.863400][ T7704] netlink_unicast+0x449/0x710 [18907.863400][ T7704] netlink_sendmsg+0x723/0xbe0 [18907.863400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18907.863400][ T7704] ___sys_sendmsg+0xee/0x170 [18907.863400][ T7704] __sys_sendmsg+0xcd/0x170 [18907.863400][ T7704] do_syscall_64+0xc6/0x1e0 [18907.863400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18907.863400][ T7704] [18907.865697][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18907.865697][ T7704] netdev_get_by_index+0x5e/0x80 [18907.865697][ T7704] fib6_nh_init+0x3d8/0x15b0 [18907.865697][ T7704] ip6_route_info_create+0xf18/0x17d0 [18907.865697][ T7704] addrconf_f6i_alloc+0x315/0x560 [18907.865697][ T7704] ipv6_add_addr+0x411/0x2000 [18907.865697][ T7704] inet6_addr_add+0x30e/0xa40 [18907.865697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18907.865697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18907.865697][ T7704] netlink_rcv_skb+0x130/0x360 [18907.865697][ T7704] netlink_unicast+0x449/0x710 [18907.865697][ T7704] netlink_sendmsg+0x723/0xbe0 [18907.865697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18907.865697][ T7704] ___sys_sendmsg+0xee/0x170 [18907.865697][ T7704] __sys_sendmsg+0xcd/0x170 [18907.865697][ T7704] do_syscall_64+0xc6/0x1e0 [18907.865697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18907.865697][ T7704] [18907.867986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18907.867986][ T7704] netdev_get_by_index+0x5e/0x80 [18907.867986][ T7704] fib6_nh_init+0x3d8/0x15b0 [18907.867986][ T7704] ip6_route_info_create+0xf18/0x17d0 [18907.867986][ T7704] ip6_route_add+0x1c/0x140 [18907.867986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18907.867986][ T7704] addrconf_add_dev+0xe2/0x170 [18907.867986][ T7704] inet6_addr_add+0x12f/0xa40 [18907.867986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18907.867986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18907.867986][ T7704] netlink_rcv_skb+0x130/0x360 [18907.867986][ T7704] netlink_unicast+0x449/0x710 [18907.867986][ T7704] netlink_sendmsg+0x723/0xbe0 [18907.867986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18907.867986][ T7704] ___sys_sendmsg+0xee/0x170 [18907.867986][ T7704] __sys_sendmsg+0xcd/0x170 [18907.867986][ T7704] do_syscall_64+0xc6/0x1e0 [18907.867986][ T7704] [18907.870237][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18907.870237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18907.870237][ T7704] ipv6_find_idev+0x102/0x170 [18907.870237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18907.870237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18907.870237][ T7704] netlink_rcv_skb+0x130/0x360 [18907.870237][ T7704] netlink_unicast+0x449/0x710 [18907.870237][ T7704] netlink_sendmsg+0x723/0xbe0 [18907.870237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18907.870237][ T7704] ___sys_sendmsg+0xee/0x170 [18907.870237][ T7704] __sys_sendmsg+0xcd/0x170 [18907.870237][ T7704] do_syscall_64+0xc6/0x1e0 [18907.870237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18907.870237][ T7704] [18907.871991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18907.871991][ T7704] neigh_parms_alloc+0x1e5/0x510 [18907.871991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18907.871991][ T7704] ipv6_find_idev+0x102/0x170 [18907.871991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18907.871991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18907.871991][ T7704] netlink_rcv_skb+0x130/0x360 [18907.871991][ T7704] netlink_unicast+0x449/0x710 [18907.871991][ T7704] netlink_sendmsg+0x723/0xbe0 [18907.871991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18907.871991][ T7704] ___sys_sendmsg+0xee/0x170 [18907.871991][ T7704] __sys_sendmsg+0xcd/0x170 [18907.871991][ T7704] do_syscall_64+0xc6/0x1e0 [18907.871991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18907.871991][ T7704] [18918.110966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18918.111472][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18918.111472][ T7704] netdev_get_by_index+0x5e/0x80 [18918.111472][ T7704] fib6_nh_init+0x3d8/0x15b0 [18918.111472][ T7704] ip6_route_info_create+0xf18/0x17d0 [18918.111472][ T7704] ip6_route_add+0x1c/0x140 [18918.111472][ T7704] addrconf_prefix_route+0x2a6/0x430 [18918.111472][ T7704] inet6_addr_add+0x4f8/0xa40 [18918.111472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18918.111472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18918.111472][ T7704] netlink_rcv_skb+0x130/0x360 [18918.111472][ T7704] netlink_unicast+0x449/0x710 [18918.111472][ T7704] netlink_sendmsg+0x723/0xbe0 [18918.111472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18918.111472][ T7704] ___sys_sendmsg+0xee/0x170 [18918.111472][ T7704] __sys_sendmsg+0xcd/0x170 [18918.111472][ T7704] do_syscall_64+0xc6/0x1e0 [18918.111472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18918.111472][ T7704] [18918.114294][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18918.114294][ T7704] netdev_get_by_index+0x5e/0x80 [18918.114294][ T7704] fib6_nh_init+0x3d8/0x15b0 [18918.114294][ T7704] ip6_route_info_create+0xf18/0x17d0 [18918.114294][ T7704] addrconf_f6i_alloc+0x315/0x560 [18918.114294][ T7704] ipv6_add_addr+0x411/0x2000 [18918.114294][ T7704] inet6_addr_add+0x30e/0xa40 [18918.114294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18918.114294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18918.114294][ T7704] netlink_rcv_skb+0x130/0x360 [18918.114294][ T7704] netlink_unicast+0x449/0x710 [18918.114294][ T7704] netlink_sendmsg+0x723/0xbe0 [18918.114294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18918.114294][ T7704] ___sys_sendmsg+0xee/0x170 [18918.114294][ T7704] __sys_sendmsg+0xcd/0x170 [18918.114294][ T7704] do_syscall_64+0xc6/0x1e0 [18918.114294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18918.114294][ T7704] [18918.116578][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18918.116578][ T7704] netdev_get_by_index+0x5e/0x80 [18918.116578][ T7704] fib6_nh_init+0x3d8/0x15b0 [18918.116578][ T7704] ip6_route_info_create+0xf18/0x17d0 [18918.116578][ T7704] ip6_route_add+0x1c/0x140 [18918.116578][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18918.116578][ T7704] addrconf_add_dev+0xe2/0x170 [18918.116578][ T7704] inet6_addr_add+0x12f/0xa40 [18918.116578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18918.116578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18918.116578][ T7704] netlink_rcv_skb+0x130/0x360 [18918.116578][ T7704] netlink_unicast+0x449/0x710 [18918.116578][ T7704] netlink_sendmsg+0x723/0xbe0 [18918.116578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18918.116578][ T7704] ___sys_sendmsg+0xee/0x170 [18918.116578][ T7704] __sys_sendmsg+0xcd/0x170 [18918.116578][ T7704] do_syscall_64+0xc6/0x1e0 [18918.116578][ T7704] [18918.118830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18918.118830][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18918.118830][ T7704] ipv6_find_idev+0x102/0x170 [18918.118830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18918.118830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18918.118830][ T7704] netlink_rcv_skb+0x130/0x360 [18918.118830][ T7704] netlink_unicast+0x449/0x710 [18918.118830][ T7704] netlink_sendmsg+0x723/0xbe0 [18918.118830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18918.118830][ T7704] ___sys_sendmsg+0xee/0x170 [18918.118830][ T7704] __sys_sendmsg+0xcd/0x170 [18918.118830][ T7704] do_syscall_64+0xc6/0x1e0 [18918.118830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18918.118830][ T7704] [18918.120583][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18918.120583][ T7704] neigh_parms_alloc+0x1e5/0x510 [18918.120583][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18918.120583][ T7704] ipv6_find_idev+0x102/0x170 [18918.120583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18918.120583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18918.120583][ T7704] netlink_rcv_skb+0x130/0x360 [18918.120583][ T7704] netlink_unicast+0x449/0x710 [18918.120583][ T7704] netlink_sendmsg+0x723/0xbe0 [18918.120583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18918.120583][ T7704] ___sys_sendmsg+0xee/0x170 [18918.120583][ T7704] __sys_sendmsg+0xcd/0x170 [18918.120583][ T7704] do_syscall_64+0xc6/0x1e0 [18918.120583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18918.120583][ T7704] [18928.358940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18928.359421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18928.359421][ T7704] netdev_get_by_index+0x5e/0x80 [18928.359421][ T7704] fib6_nh_init+0x3d8/0x15b0 [18928.359421][ T7704] ip6_route_info_create+0xf18/0x17d0 [18928.359421][ T7704] ip6_route_add+0x1c/0x140 [18928.359421][ T7704] addrconf_prefix_route+0x2a6/0x430 [18928.359421][ T7704] inet6_addr_add+0x4f8/0xa40 [18928.359421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18928.359421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18928.359421][ T7704] netlink_rcv_skb+0x130/0x360 [18928.359421][ T7704] netlink_unicast+0x449/0x710 [18928.359421][ T7704] netlink_sendmsg+0x723/0xbe0 [18928.359421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18928.359421][ T7704] ___sys_sendmsg+0xee/0x170 [18928.359421][ T7704] __sys_sendmsg+0xcd/0x170 [18928.359421][ T7704] do_syscall_64+0xc6/0x1e0 [18928.359421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18928.359421][ T7704] [18928.361676][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18928.361676][ T7704] netdev_get_by_index+0x5e/0x80 [18928.361676][ T7704] fib6_nh_init+0x3d8/0x15b0 [18928.361676][ T7704] ip6_route_info_create+0xf18/0x17d0 [18928.361676][ T7704] addrconf_f6i_alloc+0x315/0x560 [18928.361676][ T7704] ipv6_add_addr+0x411/0x2000 [18928.361676][ T7704] inet6_addr_add+0x30e/0xa40 [18928.361676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18928.361676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18928.361676][ T7704] netlink_rcv_skb+0x130/0x360 [18928.361676][ T7704] netlink_unicast+0x449/0x710 [18928.361676][ T7704] netlink_sendmsg+0x723/0xbe0 [18928.361676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18928.361676][ T7704] ___sys_sendmsg+0xee/0x170 [18928.361676][ T7704] __sys_sendmsg+0xcd/0x170 [18928.361676][ T7704] do_syscall_64+0xc6/0x1e0 [18928.361676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18928.361676][ T7704] [18928.363905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18928.363905][ T7704] netdev_get_by_index+0x5e/0x80 [18928.363905][ T7704] fib6_nh_init+0x3d8/0x15b0 [18928.363905][ T7704] ip6_route_info_create+0xf18/0x17d0 [18928.363905][ T7704] ip6_route_add+0x1c/0x140 [18928.363905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18928.363905][ T7704] addrconf_add_dev+0xe2/0x170 [18928.363905][ T7704] inet6_addr_add+0x12f/0xa40 [18928.363905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18928.363905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18928.363905][ T7704] netlink_rcv_skb+0x130/0x360 [18928.363905][ T7704] netlink_unicast+0x449/0x710 [18928.363905][ T7704] netlink_sendmsg+0x723/0xbe0 [18928.363905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18928.363905][ T7704] ___sys_sendmsg+0xee/0x170 [18928.363905][ T7704] __sys_sendmsg+0xcd/0x170 [18928.363905][ T7704] do_syscall_64+0xc6/0x1e0 [18928.363905][ T7704] [18928.366093][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18928.366093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18928.366093][ T7704] ipv6_find_idev+0x102/0x170 [18928.366093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18928.366093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18928.366093][ T7704] netlink_rcv_skb+0x130/0x360 [18928.366093][ T7704] netlink_unicast+0x449/0x710 [18928.366093][ T7704] netlink_sendmsg+0x723/0xbe0 [18928.366093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18928.366093][ T7704] ___sys_sendmsg+0xee/0x170 [18928.366093][ T7704] __sys_sendmsg+0xcd/0x170 [18928.366093][ T7704] do_syscall_64+0xc6/0x1e0 [18928.366093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18928.366093][ T7704] [18928.367797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18928.367797][ T7704] neigh_parms_alloc+0x1e5/0x510 [18928.367797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18928.367797][ T7704] ipv6_find_idev+0x102/0x170 [18928.367797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18928.367797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18928.367797][ T7704] netlink_rcv_skb+0x130/0x360 [18928.367797][ T7704] netlink_unicast+0x449/0x710 [18928.367797][ T7704] netlink_sendmsg+0x723/0xbe0 [18928.367797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18928.367797][ T7704] ___sys_sendmsg+0xee/0x170 [18928.367797][ T7704] __sys_sendmsg+0xcd/0x170 [18928.367797][ T7704] do_syscall_64+0xc6/0x1e0 [18928.367797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18928.367797][ T7704] [18938.606960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18938.607440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18938.607440][ T7704] netdev_get_by_index+0x5e/0x80 [18938.607440][ T7704] fib6_nh_init+0x3d8/0x15b0 [18938.607440][ T7704] ip6_route_info_create+0xf18/0x17d0 [18938.607440][ T7704] ip6_route_add+0x1c/0x140 [18938.607440][ T7704] addrconf_prefix_route+0x2a6/0x430 [18938.607440][ T7704] inet6_addr_add+0x4f8/0xa40 [18938.607440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18938.607440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18938.607440][ T7704] netlink_rcv_skb+0x130/0x360 [18938.607440][ T7704] netlink_unicast+0x449/0x710 [18938.607440][ T7704] netlink_sendmsg+0x723/0xbe0 [18938.607440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18938.607440][ T7704] ___sys_sendmsg+0xee/0x170 [18938.607440][ T7704] __sys_sendmsg+0xcd/0x170 [18938.607440][ T7704] do_syscall_64+0xc6/0x1e0 [18938.607440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18938.607440][ T7704] [18938.609679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18938.609679][ T7704] netdev_get_by_index+0x5e/0x80 [18938.609679][ T7704] fib6_nh_init+0x3d8/0x15b0 [18938.609679][ T7704] ip6_route_info_create+0xf18/0x17d0 [18938.609679][ T7704] addrconf_f6i_alloc+0x315/0x560 [18938.609679][ T7704] ipv6_add_addr+0x411/0x2000 [18938.609679][ T7704] inet6_addr_add+0x30e/0xa40 [18938.609679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18938.609679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18938.609679][ T7704] netlink_rcv_skb+0x130/0x360 [18938.609679][ T7704] netlink_unicast+0x449/0x710 [18938.609679][ T7704] netlink_sendmsg+0x723/0xbe0 [18938.609679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18938.609679][ T7704] ___sys_sendmsg+0xee/0x170 [18938.609679][ T7704] __sys_sendmsg+0xcd/0x170 [18938.609679][ T7704] do_syscall_64+0xc6/0x1e0 [18938.609679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18938.609679][ T7704] [18938.611899][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18938.611899][ T7704] netdev_get_by_index+0x5e/0x80 [18938.611899][ T7704] fib6_nh_init+0x3d8/0x15b0 [18938.611899][ T7704] ip6_route_info_create+0xf18/0x17d0 [18938.611899][ T7704] ip6_route_add+0x1c/0x140 [18938.611899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18938.611899][ T7704] addrconf_add_dev+0xe2/0x170 [18938.611899][ T7704] inet6_addr_add+0x12f/0xa40 [18938.611899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18938.611899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18938.611899][ T7704] netlink_rcv_skb+0x130/0x360 [18938.611899][ T7704] netlink_unicast+0x449/0x710 [18938.611899][ T7704] netlink_sendmsg+0x723/0xbe0 [18938.611899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18938.611899][ T7704] ___sys_sendmsg+0xee/0x170 [18938.611899][ T7704] __sys_sendmsg+0xcd/0x170 [18938.611899][ T7704] do_syscall_64+0xc6/0x1e0 [18938.611899][ T7704] [18938.614083][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18938.614083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18938.614083][ T7704] ipv6_find_idev+0x102/0x170 [18938.614083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18938.614083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18938.614083][ T7704] netlink_rcv_skb+0x130/0x360 [18938.614083][ T7704] netlink_unicast+0x449/0x710 [18938.614083][ T7704] netlink_sendmsg+0x723/0xbe0 [18938.614083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18938.614083][ T7704] ___sys_sendmsg+0xee/0x170 [18938.614083][ T7704] __sys_sendmsg+0xcd/0x170 [18938.614083][ T7704] do_syscall_64+0xc6/0x1e0 [18938.614083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18938.614083][ T7704] [18938.615781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18938.615781][ T7704] neigh_parms_alloc+0x1e5/0x510 [18938.615781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18938.615781][ T7704] ipv6_find_idev+0x102/0x170 [18938.615781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18938.615781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18938.615781][ T7704] netlink_rcv_skb+0x130/0x360 [18938.615781][ T7704] netlink_unicast+0x449/0x710 [18938.615781][ T7704] netlink_sendmsg+0x723/0xbe0 [18938.615781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18938.615781][ T7704] ___sys_sendmsg+0xee/0x170 [18938.615781][ T7704] __sys_sendmsg+0xcd/0x170 [18938.615781][ T7704] do_syscall_64+0xc6/0x1e0 [18938.615781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18938.615781][ T7704] [18948.854952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18948.855433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18948.855433][ T7704] netdev_get_by_index+0x5e/0x80 [18948.855433][ T7704] fib6_nh_init+0x3d8/0x15b0 [18948.855433][ T7704] ip6_route_info_create+0xf18/0x17d0 [18948.855433][ T7704] ip6_route_add+0x1c/0x140 [18948.855433][ T7704] addrconf_prefix_route+0x2a6/0x430 [18948.855433][ T7704] inet6_addr_add+0x4f8/0xa40 [18948.855433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18948.855433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18948.855433][ T7704] netlink_rcv_skb+0x130/0x360 [18948.855433][ T7704] netlink_unicast+0x449/0x710 [18948.855433][ T7704] netlink_sendmsg+0x723/0xbe0 [18948.855433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18948.855433][ T7704] ___sys_sendmsg+0xee/0x170 [18948.855433][ T7704] __sys_sendmsg+0xcd/0x170 [18948.855433][ T7704] do_syscall_64+0xc6/0x1e0 [18948.855433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18948.855433][ T7704] [18948.857674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18948.857674][ T7704] netdev_get_by_index+0x5e/0x80 [18948.857674][ T7704] fib6_nh_init+0x3d8/0x15b0 [18948.857674][ T7704] ip6_route_info_create+0xf18/0x17d0 [18948.857674][ T7704] addrconf_f6i_alloc+0x315/0x560 [18948.857674][ T7704] ipv6_add_addr+0x411/0x2000 [18948.857674][ T7704] inet6_addr_add+0x30e/0xa40 [18948.857674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18948.857674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18948.857674][ T7704] netlink_rcv_skb+0x130/0x360 [18948.857674][ T7704] netlink_unicast+0x449/0x710 [18948.857674][ T7704] netlink_sendmsg+0x723/0xbe0 [18948.857674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18948.857674][ T7704] ___sys_sendmsg+0xee/0x170 [18948.857674][ T7704] __sys_sendmsg+0xcd/0x170 [18948.857674][ T7704] do_syscall_64+0xc6/0x1e0 [18948.857674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18948.857674][ T7704] [18948.859887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18948.859887][ T7704] netdev_get_by_index+0x5e/0x80 [18948.859887][ T7704] fib6_nh_init+0x3d8/0x15b0 [18948.859887][ T7704] ip6_route_info_create+0xf18/0x17d0 [18948.859887][ T7704] ip6_route_add+0x1c/0x140 [18948.859887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18948.859887][ T7704] addrconf_add_dev+0xe2/0x170 [18948.859887][ T7704] inet6_addr_add+0x12f/0xa40 [18948.859887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18948.859887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18948.859887][ T7704] netlink_rcv_skb+0x130/0x360 [18948.859887][ T7704] netlink_unicast+0x449/0x710 [18948.859887][ T7704] netlink_sendmsg+0x723/0xbe0 [18948.859887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18948.859887][ T7704] ___sys_sendmsg+0xee/0x170 [18948.859887][ T7704] __sys_sendmsg+0xcd/0x170 [18948.859887][ T7704] do_syscall_64+0xc6/0x1e0 [18948.859887][ T7704] [18948.862075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18948.862075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18948.862075][ T7704] ipv6_find_idev+0x102/0x170 [18948.862075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18948.862075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18948.862075][ T7704] netlink_rcv_skb+0x130/0x360 [18948.862075][ T7704] netlink_unicast+0x449/0x710 [18948.862075][ T7704] netlink_sendmsg+0x723/0xbe0 [18948.862075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18948.862075][ T7704] ___sys_sendmsg+0xee/0x170 [18948.862075][ T7704] __sys_sendmsg+0xcd/0x170 [18948.862075][ T7704] do_syscall_64+0xc6/0x1e0 [18948.862075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18948.862075][ T7704] [18948.863780][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18948.863780][ T7704] neigh_parms_alloc+0x1e5/0x510 [18948.863780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18948.863780][ T7704] ipv6_find_idev+0x102/0x170 [18948.863780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18948.863780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18948.863780][ T7704] netlink_rcv_skb+0x130/0x360 [18948.863780][ T7704] netlink_unicast+0x449/0x710 [18948.863780][ T7704] netlink_sendmsg+0x723/0xbe0 [18948.863780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18948.863780][ T7704] ___sys_sendmsg+0xee/0x170 [18948.863780][ T7704] __sys_sendmsg+0xcd/0x170 [18948.863780][ T7704] do_syscall_64+0xc6/0x1e0 [18948.863780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18948.863780][ T7704] [18959.102945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18959.103373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18959.103373][ T7704] netdev_get_by_index+0x5e/0x80 [18959.103373][ T7704] fib6_nh_init+0x3d8/0x15b0 [18959.103373][ T7704] ip6_route_info_create+0xf18/0x17d0 [18959.103373][ T7704] ip6_route_add+0x1c/0x140 [18959.103373][ T7704] addrconf_prefix_route+0x2a6/0x430 [18959.103373][ T7704] inet6_addr_add+0x4f8/0xa40 [18959.103373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18959.103373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18959.103373][ T7704] netlink_rcv_skb+0x130/0x360 [18959.103373][ T7704] netlink_unicast+0x449/0x710 [18959.103373][ T7704] netlink_sendmsg+0x723/0xbe0 [18959.103373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18959.103373][ T7704] ___sys_sendmsg+0xee/0x170 [18959.103373][ T7704] __sys_sendmsg+0xcd/0x170 [18959.103373][ T7704] do_syscall_64+0xc6/0x1e0 [18959.103373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18959.103373][ T7704] [18959.105615][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18959.105615][ T7704] netdev_get_by_index+0x5e/0x80 [18959.105615][ T7704] fib6_nh_init+0x3d8/0x15b0 [18959.105615][ T7704] ip6_route_info_create+0xf18/0x17d0 [18959.105615][ T7704] addrconf_f6i_alloc+0x315/0x560 [18959.105615][ T7704] ipv6_add_addr+0x411/0x2000 [18959.105615][ T7704] inet6_addr_add+0x30e/0xa40 [18959.105615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18959.105615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18959.105615][ T7704] netlink_rcv_skb+0x130/0x360 [18959.105615][ T7704] netlink_unicast+0x449/0x710 [18959.105615][ T7704] netlink_sendmsg+0x723/0xbe0 [18959.105615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18959.105615][ T7704] ___sys_sendmsg+0xee/0x170 [18959.105615][ T7704] __sys_sendmsg+0xcd/0x170 [18959.105615][ T7704] do_syscall_64+0xc6/0x1e0 [18959.105615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18959.105615][ T7704] [18959.107831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18959.107831][ T7704] netdev_get_by_index+0x5e/0x80 [18959.107831][ T7704] fib6_nh_init+0x3d8/0x15b0 [18959.107831][ T7704] ip6_route_info_create+0xf18/0x17d0 [18959.107831][ T7704] ip6_route_add+0x1c/0x140 [18959.107831][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18959.107831][ T7704] addrconf_add_dev+0xe2/0x170 [18959.107831][ T7704] inet6_addr_add+0x12f/0xa40 [18959.107831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18959.107831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18959.107831][ T7704] netlink_rcv_skb+0x130/0x360 [18959.107831][ T7704] netlink_unicast+0x449/0x710 [18959.107831][ T7704] netlink_sendmsg+0x723/0xbe0 [18959.107831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18959.107831][ T7704] ___sys_sendmsg+0xee/0x170 [18959.107831][ T7704] __sys_sendmsg+0xcd/0x170 [18959.107831][ T7704] do_syscall_64+0xc6/0x1e0 [18959.107831][ T7704] [18959.110009][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18959.110009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18959.110009][ T7704] ipv6_find_idev+0x102/0x170 [18959.110009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18959.110009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18959.110009][ T7704] netlink_rcv_skb+0x130/0x360 [18959.110009][ T7704] netlink_unicast+0x449/0x710 [18959.110009][ T7704] netlink_sendmsg+0x723/0xbe0 [18959.110009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18959.110009][ T7704] ___sys_sendmsg+0xee/0x170 [18959.110009][ T7704] __sys_sendmsg+0xcd/0x170 [18959.110009][ T7704] do_syscall_64+0xc6/0x1e0 [18959.110009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18959.110009][ T7704] [18959.111717][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18959.111717][ T7704] neigh_parms_alloc+0x1e5/0x510 [18959.111717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18959.111717][ T7704] ipv6_find_idev+0x102/0x170 [18959.111717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18959.111717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18959.111717][ T7704] netlink_rcv_skb+0x130/0x360 [18959.111717][ T7704] netlink_unicast+0x449/0x710 [18959.111717][ T7704] netlink_sendmsg+0x723/0xbe0 [18959.111717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18959.111717][ T7704] ___sys_sendmsg+0xee/0x170 [18959.111717][ T7704] __sys_sendmsg+0xcd/0x170 [18959.111717][ T7704] do_syscall_64+0xc6/0x1e0 [18959.111717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18959.111717][ T7704] [18969.350939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18969.351427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18969.351427][ T7704] netdev_get_by_index+0x5e/0x80 [18969.351427][ T7704] fib6_nh_init+0x3d8/0x15b0 [18969.351427][ T7704] ip6_route_info_create+0xf18/0x17d0 [18969.351427][ T7704] ip6_route_add+0x1c/0x140 [18969.351427][ T7704] addrconf_prefix_route+0x2a6/0x430 [18969.351427][ T7704] inet6_addr_add+0x4f8/0xa40 [18969.351427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18969.351427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18969.351427][ T7704] netlink_rcv_skb+0x130/0x360 [18969.351427][ T7704] netlink_unicast+0x449/0x710 [18969.351427][ T7704] netlink_sendmsg+0x723/0xbe0 [18969.351427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18969.351427][ T7704] ___sys_sendmsg+0xee/0x170 [18969.351427][ T7704] __sys_sendmsg+0xcd/0x170 [18969.351427][ T7704] do_syscall_64+0xc6/0x1e0 [18969.351427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18969.351427][ T7704] [18969.354331][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18969.354331][ T7704] netdev_get_by_index+0x5e/0x80 [18969.354331][ T7704] fib6_nh_init+0x3d8/0x15b0 [18969.354331][ T7704] ip6_route_info_create+0xf18/0x17d0 [18969.354331][ T7704] addrconf_f6i_alloc+0x315/0x560 [18969.354331][ T7704] ipv6_add_addr+0x411/0x2000 [18969.354331][ T7704] inet6_addr_add+0x30e/0xa40 [18969.354331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18969.354331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18969.354331][ T7704] netlink_rcv_skb+0x130/0x360 [18969.354331][ T7704] netlink_unicast+0x449/0x710 [18969.354331][ T7704] netlink_sendmsg+0x723/0xbe0 [18969.354331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18969.354331][ T7704] ___sys_sendmsg+0xee/0x170 [18969.354331][ T7704] __sys_sendmsg+0xcd/0x170 [18969.354331][ T7704] do_syscall_64+0xc6/0x1e0 [18969.354331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18969.354331][ T7704] [18969.356558][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18969.356558][ T7704] netdev_get_by_index+0x5e/0x80 [18969.356558][ T7704] fib6_nh_init+0x3d8/0x15b0 [18969.356558][ T7704] ip6_route_info_create+0xf18/0x17d0 [18969.356558][ T7704] ip6_route_add+0x1c/0x140 [18969.356558][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18969.356558][ T7704] addrconf_add_dev+0xe2/0x170 [18969.356558][ T7704] inet6_addr_add+0x12f/0xa40 [18969.356558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18969.356558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18969.356558][ T7704] netlink_rcv_skb+0x130/0x360 [18969.356558][ T7704] netlink_unicast+0x449/0x710 [18969.356558][ T7704] netlink_sendmsg+0x723/0xbe0 [18969.356558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18969.356558][ T7704] ___sys_sendmsg+0xee/0x170 [18969.356558][ T7704] __sys_sendmsg+0xcd/0x170 [18969.356558][ T7704] do_syscall_64+0xc6/0x1e0 [18969.356558][ T7704] [18969.358768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18969.358768][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18969.358768][ T7704] ipv6_find_idev+0x102/0x170 [18969.358768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18969.358768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18969.358768][ T7704] netlink_rcv_skb+0x130/0x360 [18969.358768][ T7704] netlink_unicast+0x449/0x710 [18969.358768][ T7704] netlink_sendmsg+0x723/0xbe0 [18969.358768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18969.358768][ T7704] ___sys_sendmsg+0xee/0x170 [18969.358768][ T7704] __sys_sendmsg+0xcd/0x170 [18969.358768][ T7704] do_syscall_64+0xc6/0x1e0 [18969.358768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18969.358768][ T7704] [18969.360479][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18969.360479][ T7704] neigh_parms_alloc+0x1e5/0x510 [18969.360479][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18969.360479][ T7704] ipv6_find_idev+0x102/0x170 [18969.360479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18969.360479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18969.360479][ T7704] netlink_rcv_skb+0x130/0x360 [18969.360479][ T7704] netlink_unicast+0x449/0x710 [18969.360479][ T7704] netlink_sendmsg+0x723/0xbe0 [18969.360479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18969.360479][ T7704] ___sys_sendmsg+0xee/0x170 [18969.360479][ T7704] __sys_sendmsg+0xcd/0x170 [18969.360479][ T7704] do_syscall_64+0xc6/0x1e0 [18969.360479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18969.360479][ T7704] [18979.598960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18979.599408][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18979.599408][ T7704] netdev_get_by_index+0x5e/0x80 [18979.599408][ T7704] fib6_nh_init+0x3d8/0x15b0 [18979.599408][ T7704] ip6_route_info_create+0xf18/0x17d0 [18979.599408][ T7704] ip6_route_add+0x1c/0x140 [18979.599408][ T7704] addrconf_prefix_route+0x2a6/0x430 [18979.599408][ T7704] inet6_addr_add+0x4f8/0xa40 [18979.599408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18979.599408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18979.599408][ T7704] netlink_rcv_skb+0x130/0x360 [18979.599408][ T7704] netlink_unicast+0x449/0x710 [18979.599408][ T7704] netlink_sendmsg+0x723/0xbe0 [18979.599408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18979.599408][ T7704] ___sys_sendmsg+0xee/0x170 [18979.599408][ T7704] __sys_sendmsg+0xcd/0x170 [18979.599408][ T7704] do_syscall_64+0xc6/0x1e0 [18979.599408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18979.599408][ T7704] [18979.601651][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18979.601651][ T7704] netdev_get_by_index+0x5e/0x80 [18979.601651][ T7704] fib6_nh_init+0x3d8/0x15b0 [18979.601651][ T7704] ip6_route_info_create+0xf18/0x17d0 [18979.601651][ T7704] addrconf_f6i_alloc+0x315/0x560 [18979.601651][ T7704] ipv6_add_addr+0x411/0x2000 [18979.601651][ T7704] inet6_addr_add+0x30e/0xa40 [18979.601651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18979.601651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18979.601651][ T7704] netlink_rcv_skb+0x130/0x360 [18979.601651][ T7704] netlink_unicast+0x449/0x710 [18979.601651][ T7704] netlink_sendmsg+0x723/0xbe0 [18979.601651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18979.601651][ T7704] ___sys_sendmsg+0xee/0x170 [18979.601651][ T7704] __sys_sendmsg+0xcd/0x170 [18979.601651][ T7704] do_syscall_64+0xc6/0x1e0 [18979.601651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18979.601651][ T7704] [18979.604392][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18979.604392][ T7704] netdev_get_by_index+0x5e/0x80 [18979.604392][ T7704] fib6_nh_init+0x3d8/0x15b0 [18979.604392][ T7704] ip6_route_info_create+0xf18/0x17d0 [18979.604392][ T7704] ip6_route_add+0x1c/0x140 [18979.604392][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18979.604392][ T7704] addrconf_add_dev+0xe2/0x170 [18979.604392][ T7704] inet6_addr_add+0x12f/0xa40 [18979.604392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18979.604392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18979.604392][ T7704] netlink_rcv_skb+0x130/0x360 [18979.604392][ T7704] netlink_unicast+0x449/0x710 [18979.604392][ T7704] netlink_sendmsg+0x723/0xbe0 [18979.604392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18979.604392][ T7704] ___sys_sendmsg+0xee/0x170 [18979.604392][ T7704] __sys_sendmsg+0xcd/0x170 [18979.604392][ T7704] do_syscall_64+0xc6/0x1e0 [18979.604392][ T7704] [18979.606587][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18979.606587][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18979.606587][ T7704] ipv6_find_idev+0x102/0x170 [18979.606587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18979.606587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18979.606587][ T7704] netlink_rcv_skb+0x130/0x360 [18979.606587][ T7704] netlink_unicast+0x449/0x710 [18979.606587][ T7704] netlink_sendmsg+0x723/0xbe0 [18979.606587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18979.606587][ T7704] ___sys_sendmsg+0xee/0x170 [18979.606587][ T7704] __sys_sendmsg+0xcd/0x170 [18979.606587][ T7704] do_syscall_64+0xc6/0x1e0 [18979.606587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18979.606587][ T7704] [18979.608322][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18979.608322][ T7704] neigh_parms_alloc+0x1e5/0x510 [18979.608322][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18979.608322][ T7704] ipv6_find_idev+0x102/0x170 [18979.608322][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18979.608322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18979.608322][ T7704] netlink_rcv_skb+0x130/0x360 [18979.608322][ T7704] netlink_unicast+0x449/0x710 [18979.608322][ T7704] netlink_sendmsg+0x723/0xbe0 [18979.608322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18979.608322][ T7704] ___sys_sendmsg+0xee/0x170 [18979.608322][ T7704] __sys_sendmsg+0xcd/0x170 [18979.608322][ T7704] do_syscall_64+0xc6/0x1e0 [18979.608322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18979.608322][ T7704] [18989.839082][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18989.839525][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18989.839525][ T7704] netdev_get_by_index+0x5e/0x80 [18989.839525][ T7704] fib6_nh_init+0x3d8/0x15b0 [18989.839525][ T7704] ip6_route_info_create+0xf18/0x17d0 [18989.839525][ T7704] ip6_route_add+0x1c/0x140 [18989.839525][ T7704] addrconf_prefix_route+0x2a6/0x430 [18989.839525][ T7704] inet6_addr_add+0x4f8/0xa40 [18989.839525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18989.839525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18989.839525][ T7704] netlink_rcv_skb+0x130/0x360 [18989.839525][ T7704] netlink_unicast+0x449/0x710 [18989.839525][ T7704] netlink_sendmsg+0x723/0xbe0 [18989.839525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18989.839525][ T7704] ___sys_sendmsg+0xee/0x170 [18989.839525][ T7704] __sys_sendmsg+0xcd/0x170 [18989.839525][ T7704] do_syscall_64+0xc6/0x1e0 [18989.839525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18989.839525][ T7704] [18989.841756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18989.841756][ T7704] netdev_get_by_index+0x5e/0x80 [18989.841756][ T7704] fib6_nh_init+0x3d8/0x15b0 [18989.841756][ T7704] ip6_route_info_create+0xf18/0x17d0 [18989.841756][ T7704] addrconf_f6i_alloc+0x315/0x560 [18989.841756][ T7704] ipv6_add_addr+0x411/0x2000 [18989.841756][ T7704] inet6_addr_add+0x30e/0xa40 [18989.841756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18989.841756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18989.841756][ T7704] netlink_rcv_skb+0x130/0x360 [18989.841756][ T7704] netlink_unicast+0x449/0x710 [18989.841756][ T7704] netlink_sendmsg+0x723/0xbe0 [18989.841756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18989.841756][ T7704] ___sys_sendmsg+0xee/0x170 [18989.841756][ T7704] __sys_sendmsg+0xcd/0x170 [18989.841756][ T7704] do_syscall_64+0xc6/0x1e0 [18989.841756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18989.841756][ T7704] [18989.844033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18989.844033][ T7704] netdev_get_by_index+0x5e/0x80 [18989.844033][ T7704] fib6_nh_init+0x3d8/0x15b0 [18989.844033][ T7704] ip6_route_info_create+0xf18/0x17d0 [18989.844033][ T7704] ip6_route_add+0x1c/0x140 [18989.844033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18989.844033][ T7704] addrconf_add_dev+0xe2/0x170 [18989.844033][ T7704] inet6_addr_add+0x12f/0xa40 [18989.844033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18989.844033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18989.844033][ T7704] netlink_rcv_skb+0x130/0x360 [18989.844033][ T7704] netlink_unicast+0x449/0x710 [18989.844033][ T7704] netlink_sendmsg+0x723/0xbe0 [18989.844033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18989.844033][ T7704] ___sys_sendmsg+0xee/0x170 [18989.844033][ T7704] __sys_sendmsg+0xcd/0x170 [18989.844033][ T7704] do_syscall_64+0xc6/0x1e0 [18989.844033][ T7704] [18989.846231][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18989.846231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18989.846231][ T7704] ipv6_find_idev+0x102/0x170 [18989.846231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18989.846231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18989.846231][ T7704] netlink_rcv_skb+0x130/0x360 [18989.846231][ T7704] netlink_unicast+0x449/0x710 [18989.846231][ T7704] netlink_sendmsg+0x723/0xbe0 [18989.846231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18989.846231][ T7704] ___sys_sendmsg+0xee/0x170 [18989.846231][ T7704] __sys_sendmsg+0xcd/0x170 [18989.846231][ T7704] do_syscall_64+0xc6/0x1e0 [18989.846231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18989.846231][ T7704] [18989.847928][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [18989.847928][ T7704] neigh_parms_alloc+0x1e5/0x510 [18989.847928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18989.847928][ T7704] ipv6_find_idev+0x102/0x170 [18989.847928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18989.847928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18989.847928][ T7704] netlink_rcv_skb+0x130/0x360 [18989.847928][ T7704] netlink_unicast+0x449/0x710 [18989.847928][ T7704] netlink_sendmsg+0x723/0xbe0 [18989.847928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18989.847928][ T7704] ___sys_sendmsg+0xee/0x170 [18989.847928][ T7704] __sys_sendmsg+0xcd/0x170 [18989.847928][ T7704] do_syscall_64+0xc6/0x1e0 [18989.847928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18989.847928][ T7704] [19000.086951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19000.087406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19000.087406][ T7704] netdev_get_by_index+0x5e/0x80 [19000.087406][ T7704] fib6_nh_init+0x3d8/0x15b0 [19000.087406][ T7704] ip6_route_info_create+0xf18/0x17d0 [19000.087406][ T7704] ip6_route_add+0x1c/0x140 [19000.087406][ T7704] addrconf_prefix_route+0x2a6/0x430 [19000.087406][ T7704] inet6_addr_add+0x4f8/0xa40 [19000.087406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19000.087406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19000.087406][ T7704] netlink_rcv_skb+0x130/0x360 [19000.087406][ T7704] netlink_unicast+0x449/0x710 [19000.087406][ T7704] netlink_sendmsg+0x723/0xbe0 [19000.087406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19000.087406][ T7704] ___sys_sendmsg+0xee/0x170 [19000.087406][ T7704] __sys_sendmsg+0xcd/0x170 [19000.087406][ T7704] do_syscall_64+0xc6/0x1e0 [19000.087406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19000.087406][ T7704] [19000.089714][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19000.089714][ T7704] netdev_get_by_index+0x5e/0x80 [19000.089714][ T7704] fib6_nh_init+0x3d8/0x15b0 [19000.089714][ T7704] ip6_route_info_create+0xf18/0x17d0 [19000.089714][ T7704] addrconf_f6i_alloc+0x315/0x560 [19000.089714][ T7704] ipv6_add_addr+0x411/0x2000 [19000.089714][ T7704] inet6_addr_add+0x30e/0xa40 [19000.089714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19000.089714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19000.089714][ T7704] netlink_rcv_skb+0x130/0x360 [19000.089714][ T7704] netlink_unicast+0x449/0x710 [19000.089714][ T7704] netlink_sendmsg+0x723/0xbe0 [19000.089714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19000.089714][ T7704] ___sys_sendmsg+0xee/0x170 [19000.089714][ T7704] __sys_sendmsg+0xcd/0x170 [19000.089714][ T7704] do_syscall_64+0xc6/0x1e0 [19000.089714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19000.089714][ T7704] [19000.092002][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19000.092002][ T7704] netdev_get_by_index+0x5e/0x80 [19000.092002][ T7704] fib6_nh_init+0x3d8/0x15b0 [19000.092002][ T7704] ip6_route_info_create+0xf18/0x17d0 [19000.092002][ T7704] ip6_route_add+0x1c/0x140 [19000.092002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19000.092002][ T7704] addrconf_add_dev+0xe2/0x170 [19000.092002][ T7704] inet6_addr_add+0x12f/0xa40 [19000.092002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19000.092002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19000.092002][ T7704] netlink_rcv_skb+0x130/0x360 [19000.092002][ T7704] netlink_unicast+0x449/0x710 [19000.092002][ T7704] netlink_sendmsg+0x723/0xbe0 [19000.092002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19000.092002][ T7704] ___sys_sendmsg+0xee/0x170 [19000.092002][ T7704] __sys_sendmsg+0xcd/0x170 [19000.092002][ T7704] do_syscall_64+0xc6/0x1e0 [19000.092002][ T7704] [19000.094249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19000.094249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19000.094249][ T7704] ipv6_find_idev+0x102/0x170 [19000.094249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19000.094249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19000.094249][ T7704] netlink_rcv_skb+0x130/0x360 [19000.094249][ T7704] netlink_unicast+0x449/0x710 [19000.094249][ T7704] netlink_sendmsg+0x723/0xbe0 [19000.094249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19000.094249][ T7704] ___sys_sendmsg+0xee/0x170 [19000.094249][ T7704] __sys_sendmsg+0xcd/0x170 [19000.094249][ T7704] do_syscall_64+0xc6/0x1e0 [19000.094249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19000.094249][ T7704] [19000.096005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19000.096005][ T7704] neigh_parms_alloc+0x1e5/0x510 [19000.096005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19000.096005][ T7704] ipv6_find_idev+0x102/0x170 [19000.096005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19000.096005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19000.096005][ T7704] netlink_rcv_skb+0x130/0x360 [19000.096005][ T7704] netlink_unicast+0x449/0x710 [19000.096005][ T7704] netlink_sendmsg+0x723/0xbe0 [19000.096005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19000.096005][ T7704] ___sys_sendmsg+0xee/0x170 [19000.096005][ T7704] __sys_sendmsg+0xcd/0x170 [19000.096005][ T7704] do_syscall_64+0xc6/0x1e0 [19000.096005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19000.096005][ T7704] [19010.334980][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19010.335428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19010.335428][ T7704] netdev_get_by_index+0x5e/0x80 [19010.335428][ T7704] fib6_nh_init+0x3d8/0x15b0 [19010.335428][ T7704] ip6_route_info_create+0xf18/0x17d0 [19010.335428][ T7704] ip6_route_add+0x1c/0x140 [19010.335428][ T7704] addrconf_prefix_route+0x2a6/0x430 [19010.335428][ T7704] inet6_addr_add+0x4f8/0xa40 [19010.335428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19010.335428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19010.335428][ T7704] netlink_rcv_skb+0x130/0x360 [19010.335428][ T7704] netlink_unicast+0x449/0x710 [19010.335428][ T7704] netlink_sendmsg+0x723/0xbe0 [19010.335428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19010.335428][ T7704] ___sys_sendmsg+0xee/0x170 [19010.335428][ T7704] __sys_sendmsg+0xcd/0x170 [19010.335428][ T7704] do_syscall_64+0xc6/0x1e0 [19010.335428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19010.335428][ T7704] [19010.337744][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19010.337744][ T7704] netdev_get_by_index+0x5e/0x80 [19010.337744][ T7704] fib6_nh_init+0x3d8/0x15b0 [19010.337744][ T7704] ip6_route_info_create+0xf18/0x17d0 [19010.337744][ T7704] addrconf_f6i_alloc+0x315/0x560 [19010.337744][ T7704] ipv6_add_addr+0x411/0x2000 [19010.337744][ T7704] inet6_addr_add+0x30e/0xa40 [19010.337744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19010.337744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19010.337744][ T7704] netlink_rcv_skb+0x130/0x360 [19010.337744][ T7704] netlink_unicast+0x449/0x710 [19010.337744][ T7704] netlink_sendmsg+0x723/0xbe0 [19010.337744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19010.337744][ T7704] ___sys_sendmsg+0xee/0x170 [19010.337744][ T7704] __sys_sendmsg+0xcd/0x170 [19010.337744][ T7704] do_syscall_64+0xc6/0x1e0 [19010.337744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19010.337744][ T7704] [19010.340026][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19010.340026][ T7704] netdev_get_by_index+0x5e/0x80 [19010.340026][ T7704] fib6_nh_init+0x3d8/0x15b0 [19010.340026][ T7704] ip6_route_info_create+0xf18/0x17d0 [19010.340026][ T7704] ip6_route_add+0x1c/0x140 [19010.340026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19010.340026][ T7704] addrconf_add_dev+0xe2/0x170 [19010.340026][ T7704] inet6_addr_add+0x12f/0xa40 [19010.340026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19010.340026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19010.340026][ T7704] netlink_rcv_skb+0x130/0x360 [19010.340026][ T7704] netlink_unicast+0x449/0x710 [19010.340026][ T7704] netlink_sendmsg+0x723/0xbe0 [19010.340026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19010.340026][ T7704] ___sys_sendmsg+0xee/0x170 [19010.340026][ T7704] __sys_sendmsg+0xcd/0x170 [19010.340026][ T7704] do_syscall_64+0xc6/0x1e0 [19010.340026][ T7704] [19010.342285][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19010.342285][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19010.342285][ T7704] ipv6_find_idev+0x102/0x170 [19010.342285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19010.342285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19010.342285][ T7704] netlink_rcv_skb+0x130/0x360 [19010.342285][ T7704] netlink_unicast+0x449/0x710 [19010.342285][ T7704] netlink_sendmsg+0x723/0xbe0 [19010.342285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19010.342285][ T7704] ___sys_sendmsg+0xee/0x170 [19010.342285][ T7704] __sys_sendmsg+0xcd/0x170 [19010.342285][ T7704] do_syscall_64+0xc6/0x1e0 [19010.342285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19010.342285][ T7704] [19010.344070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19010.344070][ T7704] neigh_parms_alloc+0x1e5/0x510 [19010.344070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19010.344070][ T7704] ipv6_find_idev+0x102/0x170 [19010.344070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19010.344070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19010.344070][ T7704] netlink_rcv_skb+0x130/0x360 [19010.344070][ T7704] netlink_unicast+0x449/0x710 [19010.344070][ T7704] netlink_sendmsg+0x723/0xbe0 [19010.344070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19010.344070][ T7704] ___sys_sendmsg+0xee/0x170 [19010.344070][ T7704] __sys_sendmsg+0xcd/0x170 [19010.344070][ T7704] do_syscall_64+0xc6/0x1e0 [19010.344070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19010.344070][ T7704] [19020.582967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19020.583419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19020.583419][ T7704] netdev_get_by_index+0x5e/0x80 [19020.583419][ T7704] fib6_nh_init+0x3d8/0x15b0 [19020.583419][ T7704] ip6_route_info_create+0xf18/0x17d0 [19020.583419][ T7704] ip6_route_add+0x1c/0x140 [19020.583419][ T7704] addrconf_prefix_route+0x2a6/0x430 [19020.583419][ T7704] inet6_addr_add+0x4f8/0xa40 [19020.583419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19020.583419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19020.583419][ T7704] netlink_rcv_skb+0x130/0x360 [19020.583419][ T7704] netlink_unicast+0x449/0x710 [19020.583419][ T7704] netlink_sendmsg+0x723/0xbe0 [19020.583419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19020.583419][ T7704] ___sys_sendmsg+0xee/0x170 [19020.583419][ T7704] __sys_sendmsg+0xcd/0x170 [19020.583419][ T7704] do_syscall_64+0xc6/0x1e0 [19020.583419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19020.583419][ T7704] [19020.585755][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19020.585755][ T7704] netdev_get_by_index+0x5e/0x80 [19020.585755][ T7704] fib6_nh_init+0x3d8/0x15b0 [19020.585755][ T7704] ip6_route_info_create+0xf18/0x17d0 [19020.585755][ T7704] addrconf_f6i_alloc+0x315/0x560 [19020.585755][ T7704] ipv6_add_addr+0x411/0x2000 [19020.585755][ T7704] inet6_addr_add+0x30e/0xa40 [19020.585755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19020.585755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19020.585755][ T7704] netlink_rcv_skb+0x130/0x360 [19020.585755][ T7704] netlink_unicast+0x449/0x710 [19020.585755][ T7704] netlink_sendmsg+0x723/0xbe0 [19020.585755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19020.585755][ T7704] ___sys_sendmsg+0xee/0x170 [19020.585755][ T7704] __sys_sendmsg+0xcd/0x170 [19020.585755][ T7704] do_syscall_64+0xc6/0x1e0 [19020.585755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19020.585755][ T7704] [19020.588042][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19020.588042][ T7704] netdev_get_by_index+0x5e/0x80 [19020.588042][ T7704] fib6_nh_init+0x3d8/0x15b0 [19020.588042][ T7704] ip6_route_info_create+0xf18/0x17d0 [19020.588042][ T7704] ip6_route_add+0x1c/0x140 [19020.588042][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19020.588042][ T7704] addrconf_add_dev+0xe2/0x170 [19020.588042][ T7704] inet6_addr_add+0x12f/0xa40 [19020.588042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19020.588042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19020.588042][ T7704] netlink_rcv_skb+0x130/0x360 [19020.588042][ T7704] netlink_unicast+0x449/0x710 [19020.588042][ T7704] netlink_sendmsg+0x723/0xbe0 [19020.588042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19020.588042][ T7704] ___sys_sendmsg+0xee/0x170 [19020.588042][ T7704] __sys_sendmsg+0xcd/0x170 [19020.588042][ T7704] do_syscall_64+0xc6/0x1e0 [19020.588042][ T7704] [19020.590274][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19020.590274][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19020.590274][ T7704] ipv6_find_idev+0x102/0x170 [19020.590274][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19020.590274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19020.590274][ T7704] netlink_rcv_skb+0x130/0x360 [19020.590274][ T7704] netlink_unicast+0x449/0x710 [19020.590274][ T7704] netlink_sendmsg+0x723/0xbe0 [19020.590274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19020.590274][ T7704] ___sys_sendmsg+0xee/0x170 [19020.590274][ T7704] __sys_sendmsg+0xcd/0x170 [19020.590274][ T7704] do_syscall_64+0xc6/0x1e0 [19020.590274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19020.590274][ T7704] [19020.592070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19020.592070][ T7704] neigh_parms_alloc+0x1e5/0x510 [19020.592070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19020.592070][ T7704] ipv6_find_idev+0x102/0x170 [19020.592070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19020.592070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19020.592070][ T7704] netlink_rcv_skb+0x130/0x360 [19020.592070][ T7704] netlink_unicast+0x449/0x710 [19020.592070][ T7704] netlink_sendmsg+0x723/0xbe0 [19020.592070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19020.592070][ T7704] ___sys_sendmsg+0xee/0x170 [19020.592070][ T7704] __sys_sendmsg+0xcd/0x170 [19020.592070][ T7704] do_syscall_64+0xc6/0x1e0 [19020.592070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19020.592070][ T7704] [19030.774973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19030.775484][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19030.775484][ T7704] netdev_get_by_index+0x5e/0x80 [19030.775484][ T7704] fib6_nh_init+0x3d8/0x15b0 [19030.775484][ T7704] ip6_route_info_create+0xf18/0x17d0 [19030.775484][ T7704] ip6_route_add+0x1c/0x140 [19030.775484][ T7704] addrconf_prefix_route+0x2a6/0x430 [19030.775484][ T7704] inet6_addr_add+0x4f8/0xa40 [19030.775484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19030.775484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19030.775484][ T7704] netlink_rcv_skb+0x130/0x360 [19030.775484][ T7704] netlink_unicast+0x449/0x710 [19030.775484][ T7704] netlink_sendmsg+0x723/0xbe0 [19030.775484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19030.775484][ T7704] ___sys_sendmsg+0xee/0x170 [19030.775484][ T7704] __sys_sendmsg+0xcd/0x170 [19030.775484][ T7704] do_syscall_64+0xc6/0x1e0 [19030.775484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19030.775484][ T7704] [19030.777795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19030.777795][ T7704] netdev_get_by_index+0x5e/0x80 [19030.777795][ T7704] fib6_nh_init+0x3d8/0x15b0 [19030.777795][ T7704] ip6_route_info_create+0xf18/0x17d0 [19030.777795][ T7704] addrconf_f6i_alloc+0x315/0x560 [19030.777795][ T7704] ipv6_add_addr+0x411/0x2000 [19030.777795][ T7704] inet6_addr_add+0x30e/0xa40 [19030.777795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19030.777795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19030.777795][ T7704] netlink_rcv_skb+0x130/0x360 [19030.777795][ T7704] netlink_unicast+0x449/0x710 [19030.777795][ T7704] netlink_sendmsg+0x723/0xbe0 [19030.777795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19030.777795][ T7704] ___sys_sendmsg+0xee/0x170 [19030.777795][ T7704] __sys_sendmsg+0xcd/0x170 [19030.777795][ T7704] do_syscall_64+0xc6/0x1e0 [19030.777795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19030.777795][ T7704] [19030.780074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19030.780074][ T7704] netdev_get_by_index+0x5e/0x80 [19030.780074][ T7704] fib6_nh_init+0x3d8/0x15b0 [19030.780074][ T7704] ip6_route_info_create+0xf18/0x17d0 [19030.780074][ T7704] ip6_route_add+0x1c/0x140 [19030.780074][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19030.780074][ T7704] addrconf_add_dev+0xe2/0x170 [19030.780074][ T7704] inet6_addr_add+0x12f/0xa40 [19030.780074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19030.780074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19030.780074][ T7704] netlink_rcv_skb+0x130/0x360 [19030.780074][ T7704] netlink_unicast+0x449/0x710 [19030.780074][ T7704] netlink_sendmsg+0x723/0xbe0 [19030.780074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19030.780074][ T7704] ___sys_sendmsg+0xee/0x170 [19030.780074][ T7704] __sys_sendmsg+0xcd/0x170 [19030.780074][ T7704] do_syscall_64+0xc6/0x1e0 [19030.780074][ T7704] [19030.782340][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19030.782340][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19030.782340][ T7704] ipv6_find_idev+0x102/0x170 [19030.782340][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19030.782340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19030.782340][ T7704] netlink_rcv_skb+0x130/0x360 [19030.782340][ T7704] netlink_unicast+0x449/0x710 [19030.782340][ T7704] netlink_sendmsg+0x723/0xbe0 [19030.782340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19030.782340][ T7704] ___sys_sendmsg+0xee/0x170 [19030.782340][ T7704] __sys_sendmsg+0xcd/0x170 [19030.782340][ T7704] do_syscall_64+0xc6/0x1e0 [19030.782340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19030.782340][ T7704] [19030.784099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19030.784099][ T7704] neigh_parms_alloc+0x1e5/0x510 [19030.784099][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19030.784099][ T7704] ipv6_find_idev+0x102/0x170 [19030.784099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19030.784099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19030.784099][ T7704] netlink_rcv_skb+0x130/0x360 [19030.784099][ T7704] netlink_unicast+0x449/0x710 [19030.784099][ T7704] netlink_sendmsg+0x723/0xbe0 [19030.784099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19030.784099][ T7704] ___sys_sendmsg+0xee/0x170 [19030.784099][ T7704] __sys_sendmsg+0xcd/0x170 [19030.784099][ T7704] do_syscall_64+0xc6/0x1e0 [19030.784099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19030.784099][ T7704] [19041.022933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19041.023426][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19041.023426][ T7704] netdev_get_by_index+0x5e/0x80 [19041.023426][ T7704] fib6_nh_init+0x3d8/0x15b0 [19041.023426][ T7704] ip6_route_info_create+0xf18/0x17d0 [19041.023426][ T7704] ip6_route_add+0x1c/0x140 [19041.023426][ T7704] addrconf_prefix_route+0x2a6/0x430 [19041.023426][ T7704] inet6_addr_add+0x4f8/0xa40 [19041.023426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19041.023426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19041.023426][ T7704] netlink_rcv_skb+0x130/0x360 [19041.023426][ T7704] netlink_unicast+0x449/0x710 [19041.023426][ T7704] netlink_sendmsg+0x723/0xbe0 [19041.023426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19041.023426][ T7704] ___sys_sendmsg+0xee/0x170 [19041.023426][ T7704] __sys_sendmsg+0xcd/0x170 [19041.023426][ T7704] do_syscall_64+0xc6/0x1e0 [19041.023426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19041.023426][ T7704] [19041.025680][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19041.025680][ T7704] netdev_get_by_index+0x5e/0x80 [19041.025680][ T7704] fib6_nh_init+0x3d8/0x15b0 [19041.025680][ T7704] ip6_route_info_create+0xf18/0x17d0 [19041.025680][ T7704] addrconf_f6i_alloc+0x315/0x560 [19041.025680][ T7704] ipv6_add_addr+0x411/0x2000 [19041.025680][ T7704] inet6_addr_add+0x30e/0xa40 [19041.025680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19041.025680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19041.025680][ T7704] netlink_rcv_skb+0x130/0x360 [19041.025680][ T7704] netlink_unicast+0x449/0x710 [19041.025680][ T7704] netlink_sendmsg+0x723/0xbe0 [19041.025680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19041.025680][ T7704] ___sys_sendmsg+0xee/0x170 [19041.025680][ T7704] __sys_sendmsg+0xcd/0x170 [19041.025680][ T7704] do_syscall_64+0xc6/0x1e0 [19041.025680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19041.025680][ T7704] [19041.027896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19041.027896][ T7704] netdev_get_by_index+0x5e/0x80 [19041.027896][ T7704] fib6_nh_init+0x3d8/0x15b0 [19041.027896][ T7704] ip6_route_info_create+0xf18/0x17d0 [19041.027896][ T7704] ip6_route_add+0x1c/0x140 [19041.027896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19041.027896][ T7704] addrconf_add_dev+0xe2/0x170 [19041.027896][ T7704] inet6_addr_add+0x12f/0xa40 [19041.027896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19041.027896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19041.027896][ T7704] netlink_rcv_skb+0x130/0x360 [19041.027896][ T7704] netlink_unicast+0x449/0x710 [19041.027896][ T7704] netlink_sendmsg+0x723/0xbe0 [19041.027896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19041.027896][ T7704] ___sys_sendmsg+0xee/0x170 [19041.027896][ T7704] __sys_sendmsg+0xcd/0x170 [19041.027896][ T7704] do_syscall_64+0xc6/0x1e0 [19041.027896][ T7704] [19041.030085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19041.030085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19041.030085][ T7704] ipv6_find_idev+0x102/0x170 [19041.030085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19041.030085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19041.030085][ T7704] netlink_rcv_skb+0x130/0x360 [19041.030085][ T7704] netlink_unicast+0x449/0x710 [19041.030085][ T7704] netlink_sendmsg+0x723/0xbe0 [19041.030085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19041.030085][ T7704] ___sys_sendmsg+0xee/0x170 [19041.030085][ T7704] __sys_sendmsg+0xcd/0x170 [19041.030085][ T7704] do_syscall_64+0xc6/0x1e0 [19041.030085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19041.030085][ T7704] [19041.031800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19041.031800][ T7704] neigh_parms_alloc+0x1e5/0x510 [19041.031800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19041.031800][ T7704] ipv6_find_idev+0x102/0x170 [19041.031800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19041.031800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19041.031800][ T7704] netlink_rcv_skb+0x130/0x360 [19041.031800][ T7704] netlink_unicast+0x449/0x710 [19041.031800][ T7704] netlink_sendmsg+0x723/0xbe0 [19041.031800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19041.031800][ T7704] ___sys_sendmsg+0xee/0x170 [19041.031800][ T7704] __sys_sendmsg+0xcd/0x170 [19041.031800][ T7704] do_syscall_64+0xc6/0x1e0 [19041.031800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19041.031800][ T7704] [19051.270961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19051.271464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19051.271464][ T7704] netdev_get_by_index+0x5e/0x80 [19051.271464][ T7704] fib6_nh_init+0x3d8/0x15b0 [19051.271464][ T7704] ip6_route_info_create+0xf18/0x17d0 [19051.271464][ T7704] ip6_route_add+0x1c/0x140 [19051.271464][ T7704] addrconf_prefix_route+0x2a6/0x430 [19051.271464][ T7704] inet6_addr_add+0x4f8/0xa40 [19051.271464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19051.271464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19051.271464][ T7704] netlink_rcv_skb+0x130/0x360 [19051.271464][ T7704] netlink_unicast+0x449/0x710 [19051.271464][ T7704] netlink_sendmsg+0x723/0xbe0 [19051.271464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19051.271464][ T7704] ___sys_sendmsg+0xee/0x170 [19051.271464][ T7704] __sys_sendmsg+0xcd/0x170 [19051.271464][ T7704] do_syscall_64+0xc6/0x1e0 [19051.271464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19051.271464][ T7704] [19051.273716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19051.273716][ T7704] netdev_get_by_index+0x5e/0x80 [19051.273716][ T7704] fib6_nh_init+0x3d8/0x15b0 [19051.273716][ T7704] ip6_route_info_create+0xf18/0x17d0 [19051.273716][ T7704] addrconf_f6i_alloc+0x315/0x560 [19051.273716][ T7704] ipv6_add_addr+0x411/0x2000 [19051.273716][ T7704] inet6_addr_add+0x30e/0xa40 [19051.273716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19051.273716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19051.273716][ T7704] netlink_rcv_skb+0x130/0x360 [19051.273716][ T7704] netlink_unicast+0x449/0x710 [19051.273716][ T7704] netlink_sendmsg+0x723/0xbe0 [19051.273716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19051.273716][ T7704] ___sys_sendmsg+0xee/0x170 [19051.273716][ T7704] __sys_sendmsg+0xcd/0x170 [19051.273716][ T7704] do_syscall_64+0xc6/0x1e0 [19051.273716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19051.273716][ T7704] [19051.275944][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19051.275944][ T7704] netdev_get_by_index+0x5e/0x80 [19051.275944][ T7704] fib6_nh_init+0x3d8/0x15b0 [19051.275944][ T7704] ip6_route_info_create+0xf18/0x17d0 [19051.275944][ T7704] ip6_route_add+0x1c/0x140 [19051.275944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19051.275944][ T7704] addrconf_add_dev+0xe2/0x170 [19051.275944][ T7704] inet6_addr_add+0x12f/0xa40 [19051.275944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19051.275944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19051.275944][ T7704] netlink_rcv_skb+0x130/0x360 [19051.275944][ T7704] netlink_unicast+0x449/0x710 [19051.275944][ T7704] netlink_sendmsg+0x723/0xbe0 [19051.275944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19051.275944][ T7704] ___sys_sendmsg+0xee/0x170 [19051.275944][ T7704] __sys_sendmsg+0xcd/0x170 [19051.275944][ T7704] do_syscall_64+0xc6/0x1e0 [19051.275944][ T7704] [19051.278125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19051.278125][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19051.278125][ T7704] ipv6_find_idev+0x102/0x170 [19051.278125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19051.278125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19051.278125][ T7704] netlink_rcv_skb+0x130/0x360 [19051.278125][ T7704] netlink_unicast+0x449/0x710 [19051.278125][ T7704] netlink_sendmsg+0x723/0xbe0 [19051.278125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19051.278125][ T7704] ___sys_sendmsg+0xee/0x170 [19051.278125][ T7704] __sys_sendmsg+0xcd/0x170 [19051.278125][ T7704] do_syscall_64+0xc6/0x1e0 [19051.278125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19051.278125][ T7704] [19051.279828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19051.279828][ T7704] neigh_parms_alloc+0x1e5/0x510 [19051.279828][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19051.279828][ T7704] ipv6_find_idev+0x102/0x170 [19051.279828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19051.279828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19051.279828][ T7704] netlink_rcv_skb+0x130/0x360 [19051.279828][ T7704] netlink_unicast+0x449/0x710 [19051.279828][ T7704] netlink_sendmsg+0x723/0xbe0 [19051.279828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19051.279828][ T7704] ___sys_sendmsg+0xee/0x170 [19051.279828][ T7704] __sys_sendmsg+0xcd/0x170 [19051.279828][ T7704] do_syscall_64+0xc6/0x1e0 [19051.279828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19051.279828][ T7704] [19061.518951][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19061.519440][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19061.519440][ T7704] netdev_get_by_index+0x5e/0x80 [19061.519440][ T7704] fib6_nh_init+0x3d8/0x15b0 [19061.519440][ T7704] ip6_route_info_create+0xf18/0x17d0 [19061.519440][ T7704] ip6_route_add+0x1c/0x140 [19061.519440][ T7704] addrconf_prefix_route+0x2a6/0x430 [19061.519440][ T7704] inet6_addr_add+0x4f8/0xa40 [19061.519440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19061.519440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19061.519440][ T7704] netlink_rcv_skb+0x130/0x360 [19061.519440][ T7704] netlink_unicast+0x449/0x710 [19061.519440][ T7704] netlink_sendmsg+0x723/0xbe0 [19061.519440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19061.519440][ T7704] ___sys_sendmsg+0xee/0x170 [19061.519440][ T7704] __sys_sendmsg+0xcd/0x170 [19061.519440][ T7704] do_syscall_64+0xc6/0x1e0 [19061.519440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19061.519440][ T7704] [19061.521685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19061.521685][ T7704] netdev_get_by_index+0x5e/0x80 [19061.521685][ T7704] fib6_nh_init+0x3d8/0x15b0 [19061.521685][ T7704] ip6_route_info_create+0xf18/0x17d0 [19061.521685][ T7704] addrconf_f6i_alloc+0x315/0x560 [19061.521685][ T7704] ipv6_add_addr+0x411/0x2000 [19061.521685][ T7704] inet6_addr_add+0x30e/0xa40 [19061.521685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19061.521685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19061.521685][ T7704] netlink_rcv_skb+0x130/0x360 [19061.521685][ T7704] netlink_unicast+0x449/0x710 [19061.521685][ T7704] netlink_sendmsg+0x723/0xbe0 [19061.521685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19061.521685][ T7704] ___sys_sendmsg+0xee/0x170 [19061.521685][ T7704] __sys_sendmsg+0xcd/0x170 [19061.521685][ T7704] do_syscall_64+0xc6/0x1e0 [19061.521685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19061.521685][ T7704] [19061.523904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19061.523904][ T7704] netdev_get_by_index+0x5e/0x80 [19061.523904][ T7704] fib6_nh_init+0x3d8/0x15b0 [19061.523904][ T7704] ip6_route_info_create+0xf18/0x17d0 [19061.523904][ T7704] ip6_route_add+0x1c/0x140 [19061.523904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19061.523904][ T7704] addrconf_add_dev+0xe2/0x170 [19061.523904][ T7704] inet6_addr_add+0x12f/0xa40 [19061.523904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19061.523904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19061.523904][ T7704] netlink_rcv_skb+0x130/0x360 [19061.523904][ T7704] netlink_unicast+0x449/0x710 [19061.523904][ T7704] netlink_sendmsg+0x723/0xbe0 [19061.523904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19061.523904][ T7704] ___sys_sendmsg+0xee/0x170 [19061.523904][ T7704] __sys_sendmsg+0xcd/0x170 [19061.523904][ T7704] do_syscall_64+0xc6/0x1e0 [19061.523904][ T7704] [19061.526088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19061.526088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19061.526088][ T7704] ipv6_find_idev+0x102/0x170 [19061.526088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19061.526088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19061.526088][ T7704] netlink_rcv_skb+0x130/0x360 [19061.526088][ T7704] netlink_unicast+0x449/0x710 [19061.526088][ T7704] netlink_sendmsg+0x723/0xbe0 [19061.526088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19061.526088][ T7704] ___sys_sendmsg+0xee/0x170 [19061.526088][ T7704] __sys_sendmsg+0xcd/0x170 [19061.526088][ T7704] do_syscall_64+0xc6/0x1e0 [19061.526088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19061.526088][ T7704] [19061.527795][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19061.527795][ T7704] neigh_parms_alloc+0x1e5/0x510 [19061.527795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19061.527795][ T7704] ipv6_find_idev+0x102/0x170 [19061.527795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19061.527795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19061.527795][ T7704] netlink_rcv_skb+0x130/0x360 [19061.527795][ T7704] netlink_unicast+0x449/0x710 [19061.527795][ T7704] netlink_sendmsg+0x723/0xbe0 [19061.527795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19061.527795][ T7704] ___sys_sendmsg+0xee/0x170 [19061.527795][ T7704] __sys_sendmsg+0xcd/0x170 [19061.527795][ T7704] do_syscall_64+0xc6/0x1e0 [19061.527795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19061.527795][ T7704] [19071.766941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19071.767417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19071.767417][ T7704] netdev_get_by_index+0x5e/0x80 [19071.767417][ T7704] fib6_nh_init+0x3d8/0x15b0 [19071.767417][ T7704] ip6_route_info_create+0xf18/0x17d0 [19071.767417][ T7704] ip6_route_add+0x1c/0x140 [19071.767417][ T7704] addrconf_prefix_route+0x2a6/0x430 [19071.767417][ T7704] inet6_addr_add+0x4f8/0xa40 [19071.767417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19071.767417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19071.767417][ T7704] netlink_rcv_skb+0x130/0x360 [19071.767417][ T7704] netlink_unicast+0x449/0x710 [19071.767417][ T7704] netlink_sendmsg+0x723/0xbe0 [19071.767417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19071.767417][ T7704] ___sys_sendmsg+0xee/0x170 [19071.767417][ T7704] __sys_sendmsg+0xcd/0x170 [19071.767417][ T7704] do_syscall_64+0xc6/0x1e0 [19071.767417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19071.767417][ T7704] [19071.769669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19071.769669][ T7704] netdev_get_by_index+0x5e/0x80 [19071.769669][ T7704] fib6_nh_init+0x3d8/0x15b0 [19071.769669][ T7704] ip6_route_info_create+0xf18/0x17d0 [19071.769669][ T7704] addrconf_f6i_alloc+0x315/0x560 [19071.769669][ T7704] ipv6_add_addr+0x411/0x2000 [19071.769669][ T7704] inet6_addr_add+0x30e/0xa40 [19071.769669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19071.769669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19071.769669][ T7704] netlink_rcv_skb+0x130/0x360 [19071.769669][ T7704] netlink_unicast+0x449/0x710 [19071.769669][ T7704] netlink_sendmsg+0x723/0xbe0 [19071.769669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19071.769669][ T7704] ___sys_sendmsg+0xee/0x170 [19071.769669][ T7704] __sys_sendmsg+0xcd/0x170 [19071.769669][ T7704] do_syscall_64+0xc6/0x1e0 [19071.769669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19071.769669][ T7704] [19071.771904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19071.771904][ T7704] netdev_get_by_index+0x5e/0x80 [19071.771904][ T7704] fib6_nh_init+0x3d8/0x15b0 [19071.771904][ T7704] ip6_route_info_create+0xf18/0x17d0 [19071.771904][ T7704] ip6_route_add+0x1c/0x140 [19071.771904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19071.771904][ T7704] addrconf_add_dev+0xe2/0x170 [19071.771904][ T7704] inet6_addr_add+0x12f/0xa40 [19071.771904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19071.771904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19071.771904][ T7704] netlink_rcv_skb+0x130/0x360 [19071.771904][ T7704] netlink_unicast+0x449/0x710 [19071.771904][ T7704] netlink_sendmsg+0x723/0xbe0 [19071.771904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19071.771904][ T7704] ___sys_sendmsg+0xee/0x170 [19071.771904][ T7704] __sys_sendmsg+0xcd/0x170 [19071.771904][ T7704] do_syscall_64+0xc6/0x1e0 [19071.771904][ T7704] [19071.774088][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19071.774088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19071.774088][ T7704] ipv6_find_idev+0x102/0x170 [19071.774088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19071.774088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19071.774088][ T7704] netlink_rcv_skb+0x130/0x360 [19071.774088][ T7704] netlink_unicast+0x449/0x710 [19071.774088][ T7704] netlink_sendmsg+0x723/0xbe0 [19071.774088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19071.774088][ T7704] ___sys_sendmsg+0xee/0x170 [19071.774088][ T7704] __sys_sendmsg+0xcd/0x170 [19071.774088][ T7704] do_syscall_64+0xc6/0x1e0 [19071.774088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19071.774088][ T7704] [19071.775797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19071.775797][ T7704] neigh_parms_alloc+0x1e5/0x510 [19071.775797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19071.775797][ T7704] ipv6_find_idev+0x102/0x170 [19071.775797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19071.775797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19071.775797][ T7704] netlink_rcv_skb+0x130/0x360 [19071.775797][ T7704] netlink_unicast+0x449/0x710 [19071.775797][ T7704] netlink_sendmsg+0x723/0xbe0 [19071.775797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19071.775797][ T7704] ___sys_sendmsg+0xee/0x170 [19071.775797][ T7704] __sys_sendmsg+0xcd/0x170 [19071.775797][ T7704] do_syscall_64+0xc6/0x1e0 [19071.775797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19071.775797][ T7704] [19082.014956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19082.015435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19082.015435][ T7704] netdev_get_by_index+0x5e/0x80 [19082.015435][ T7704] fib6_nh_init+0x3d8/0x15b0 [19082.015435][ T7704] ip6_route_info_create+0xf18/0x17d0 [19082.015435][ T7704] ip6_route_add+0x1c/0x140 [19082.015435][ T7704] addrconf_prefix_route+0x2a6/0x430 [19082.015435][ T7704] inet6_addr_add+0x4f8/0xa40 [19082.015435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19082.015435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19082.015435][ T7704] netlink_rcv_skb+0x130/0x360 [19082.015435][ T7704] netlink_unicast+0x449/0x710 [19082.015435][ T7704] netlink_sendmsg+0x723/0xbe0 [19082.015435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19082.015435][ T7704] ___sys_sendmsg+0xee/0x170 [19082.015435][ T7704] __sys_sendmsg+0xcd/0x170 [19082.015435][ T7704] do_syscall_64+0xc6/0x1e0 [19082.015435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19082.015435][ T7704] [19082.017998][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19082.017998][ T7704] netdev_get_by_index+0x5e/0x80 [19082.017998][ T7704] fib6_nh_init+0x3d8/0x15b0 [19082.017998][ T7704] ip6_route_info_create+0xf18/0x17d0 [19082.017998][ T7704] addrconf_f6i_alloc+0x315/0x560 [19082.017998][ T7704] ipv6_add_addr+0x411/0x2000 [19082.017998][ T7704] inet6_addr_add+0x30e/0xa40 [19082.017998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19082.017998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19082.017998][ T7704] netlink_rcv_skb+0x130/0x360 [19082.017998][ T7704] netlink_unicast+0x449/0x710 [19082.017998][ T7704] netlink_sendmsg+0x723/0xbe0 [19082.017998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19082.017998][ T7704] ___sys_sendmsg+0xee/0x170 [19082.017998][ T7704] __sys_sendmsg+0xcd/0x170 [19082.017998][ T7704] do_syscall_64+0xc6/0x1e0 [19082.017998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19082.017998][ T7704] [19082.020722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19082.020722][ T7704] netdev_get_by_index+0x5e/0x80 [19082.020722][ T7704] fib6_nh_init+0x3d8/0x15b0 [19082.020722][ T7704] ip6_route_info_create+0xf18/0x17d0 [19082.020722][ T7704] ip6_route_add+0x1c/0x140 [19082.020722][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19082.020722][ T7704] addrconf_add_dev+0xe2/0x170 [19082.020722][ T7704] inet6_addr_add+0x12f/0xa40 [19082.020722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19082.020722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19082.020722][ T7704] netlink_rcv_skb+0x130/0x360 [19082.020722][ T7704] netlink_unicast+0x449/0x710 [19082.020722][ T7704] netlink_sendmsg+0x723/0xbe0 [19082.020722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19082.020722][ T7704] ___sys_sendmsg+0xee/0x170 [19082.020722][ T7704] __sys_sendmsg+0xcd/0x170 [19082.020722][ T7704] do_syscall_64+0xc6/0x1e0 [19082.020722][ T7704] [19082.023423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19082.023423][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19082.023423][ T7704] ipv6_find_idev+0x102/0x170 [19082.023423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19082.023423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19082.023423][ T7704] netlink_rcv_skb+0x130/0x360 [19082.023423][ T7704] netlink_unicast+0x449/0x710 [19082.023423][ T7704] netlink_sendmsg+0x723/0xbe0 [19082.023423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19082.023423][ T7704] ___sys_sendmsg+0xee/0x170 [19082.023423][ T7704] __sys_sendmsg+0xcd/0x170 [19082.023423][ T7704] do_syscall_64+0xc6/0x1e0 [19082.023423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19082.023423][ T7704] [19082.025521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19082.025521][ T7704] neigh_parms_alloc+0x1e5/0x510 [19082.025521][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19082.025521][ T7704] ipv6_find_idev+0x102/0x170 [19082.025521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19082.025521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19082.025521][ T7704] netlink_rcv_skb+0x130/0x360 [19082.025521][ T7704] netlink_unicast+0x449/0x710 [19082.025521][ T7704] netlink_sendmsg+0x723/0xbe0 [19082.025521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19082.025521][ T7704] ___sys_sendmsg+0xee/0x170 [19082.025521][ T7704] __sys_sendmsg+0xcd/0x170 [19082.025521][ T7704] do_syscall_64+0xc6/0x1e0 [19082.025521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19082.025521][ T7704] [19092.270984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19092.271496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19092.271496][ T7704] netdev_get_by_index+0x5e/0x80 [19092.271496][ T7704] fib6_nh_init+0x3d8/0x15b0 [19092.271496][ T7704] ip6_route_info_create+0xf18/0x17d0 [19092.271496][ T7704] ip6_route_add+0x1c/0x140 [19092.271496][ T7704] addrconf_prefix_route+0x2a6/0x430 [19092.271496][ T7704] inet6_addr_add+0x4f8/0xa40 [19092.271496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19092.271496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19092.271496][ T7704] netlink_rcv_skb+0x130/0x360 [19092.271496][ T7704] netlink_unicast+0x449/0x710 [19092.271496][ T7704] netlink_sendmsg+0x723/0xbe0 [19092.271496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19092.271496][ T7704] ___sys_sendmsg+0xee/0x170 [19092.271496][ T7704] __sys_sendmsg+0xcd/0x170 [19092.271496][ T7704] do_syscall_64+0xc6/0x1e0 [19092.271496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19092.271496][ T7704] [19092.273791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19092.273791][ T7704] netdev_get_by_index+0x5e/0x80 [19092.273791][ T7704] fib6_nh_init+0x3d8/0x15b0 [19092.273791][ T7704] ip6_route_info_create+0xf18/0x17d0 [19092.273791][ T7704] addrconf_f6i_alloc+0x315/0x560 [19092.273791][ T7704] ipv6_add_addr+0x411/0x2000 [19092.273791][ T7704] inet6_addr_add+0x30e/0xa40 [19092.273791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19092.273791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19092.273791][ T7704] netlink_rcv_skb+0x130/0x360 [19092.273791][ T7704] netlink_unicast+0x449/0x710 [19092.273791][ T7704] netlink_sendmsg+0x723/0xbe0 [19092.273791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19092.273791][ T7704] ___sys_sendmsg+0xee/0x170 [19092.273791][ T7704] __sys_sendmsg+0xcd/0x170 [19092.273791][ T7704] do_syscall_64+0xc6/0x1e0 [19092.273791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19092.273791][ T7704] [19092.276049][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19092.276049][ T7704] netdev_get_by_index+0x5e/0x80 [19092.276049][ T7704] fib6_nh_init+0x3d8/0x15b0 [19092.276049][ T7704] ip6_route_info_create+0xf18/0x17d0 [19092.276049][ T7704] ip6_route_add+0x1c/0x140 [19092.276049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19092.276049][ T7704] addrconf_add_dev+0xe2/0x170 [19092.276049][ T7704] inet6_addr_add+0x12f/0xa40 [19092.276049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19092.276049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19092.276049][ T7704] netlink_rcv_skb+0x130/0x360 [19092.276049][ T7704] netlink_unicast+0x449/0x710 [19092.276049][ T7704] netlink_sendmsg+0x723/0xbe0 [19092.276049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19092.276049][ T7704] ___sys_sendmsg+0xee/0x170 [19092.276049][ T7704] __sys_sendmsg+0xcd/0x170 [19092.276049][ T7704] do_syscall_64+0xc6/0x1e0 [19092.276049][ T7704] [19092.278262][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19092.278262][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19092.278262][ T7704] ipv6_find_idev+0x102/0x170 [19092.278262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19092.278262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19092.278262][ T7704] netlink_rcv_skb+0x130/0x360 [19092.278262][ T7704] netlink_unicast+0x449/0x710 [19092.278262][ T7704] netlink_sendmsg+0x723/0xbe0 [19092.278262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19092.278262][ T7704] ___sys_sendmsg+0xee/0x170 [19092.278262][ T7704] __sys_sendmsg+0xcd/0x170 [19092.278262][ T7704] do_syscall_64+0xc6/0x1e0 [19092.278262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19092.278262][ T7704] [19092.279987][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19092.279987][ T7704] neigh_parms_alloc+0x1e5/0x510 [19092.279987][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19092.279987][ T7704] ipv6_find_idev+0x102/0x170 [19092.279987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19092.279987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19092.279987][ T7704] netlink_rcv_skb+0x130/0x360 [19092.279987][ T7704] netlink_unicast+0x449/0x710 [19092.279987][ T7704] netlink_sendmsg+0x723/0xbe0 [19092.279987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19092.279987][ T7704] ___sys_sendmsg+0xee/0x170 [19092.279987][ T7704] __sys_sendmsg+0xcd/0x170 [19092.279987][ T7704] do_syscall_64+0xc6/0x1e0 [19092.279987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19092.279987][ T7704] [19102.518952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19102.519390][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19102.519390][ T7704] netdev_get_by_index+0x5e/0x80 [19102.519390][ T7704] fib6_nh_init+0x3d8/0x15b0 [19102.519390][ T7704] ip6_route_info_create+0xf18/0x17d0 [19102.519390][ T7704] ip6_route_add+0x1c/0x140 [19102.519390][ T7704] addrconf_prefix_route+0x2a6/0x430 [19102.519390][ T7704] inet6_addr_add+0x4f8/0xa40 [19102.519390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19102.519390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19102.519390][ T7704] netlink_rcv_skb+0x130/0x360 [19102.519390][ T7704] netlink_unicast+0x449/0x710 [19102.519390][ T7704] netlink_sendmsg+0x723/0xbe0 [19102.519390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19102.519390][ T7704] ___sys_sendmsg+0xee/0x170 [19102.519390][ T7704] __sys_sendmsg+0xcd/0x170 [19102.519390][ T7704] do_syscall_64+0xc6/0x1e0 [19102.519390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19102.519390][ T7704] [19102.521672][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19102.521672][ T7704] netdev_get_by_index+0x5e/0x80 [19102.521672][ T7704] fib6_nh_init+0x3d8/0x15b0 [19102.521672][ T7704] ip6_route_info_create+0xf18/0x17d0 [19102.521672][ T7704] addrconf_f6i_alloc+0x315/0x560 [19102.521672][ T7704] ipv6_add_addr+0x411/0x2000 [19102.521672][ T7704] inet6_addr_add+0x30e/0xa40 [19102.521672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19102.521672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19102.521672][ T7704] netlink_rcv_skb+0x130/0x360 [19102.521672][ T7704] netlink_unicast+0x449/0x710 [19102.521672][ T7704] netlink_sendmsg+0x723/0xbe0 [19102.521672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19102.521672][ T7704] ___sys_sendmsg+0xee/0x170 [19102.521672][ T7704] __sys_sendmsg+0xcd/0x170 [19102.521672][ T7704] do_syscall_64+0xc6/0x1e0 [19102.521672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19102.521672][ T7704] [19102.523923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19102.523923][ T7704] netdev_get_by_index+0x5e/0x80 [19102.523923][ T7704] fib6_nh_init+0x3d8/0x15b0 [19102.523923][ T7704] ip6_route_info_create+0xf18/0x17d0 [19102.523923][ T7704] ip6_route_add+0x1c/0x140 [19102.523923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19102.523923][ T7704] addrconf_add_dev+0xe2/0x170 [19102.523923][ T7704] inet6_addr_add+0x12f/0xa40 [19102.523923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19102.523923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19102.523923][ T7704] netlink_rcv_skb+0x130/0x360 [19102.523923][ T7704] netlink_unicast+0x449/0x710 [19102.523923][ T7704] netlink_sendmsg+0x723/0xbe0 [19102.523923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19102.523923][ T7704] ___sys_sendmsg+0xee/0x170 [19102.523923][ T7704] __sys_sendmsg+0xcd/0x170 [19102.523923][ T7704] do_syscall_64+0xc6/0x1e0 [19102.523923][ T7704] [19102.526127][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19102.526127][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19102.526127][ T7704] ipv6_find_idev+0x102/0x170 [19102.526127][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19102.526127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19102.526127][ T7704] netlink_rcv_skb+0x130/0x360 [19102.526127][ T7704] netlink_unicast+0x449/0x710 [19102.526127][ T7704] netlink_sendmsg+0x723/0xbe0 [19102.526127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19102.526127][ T7704] ___sys_sendmsg+0xee/0x170 [19102.526127][ T7704] __sys_sendmsg+0xcd/0x170 [19102.526127][ T7704] do_syscall_64+0xc6/0x1e0 [19102.526127][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19102.526127][ T7704] [19102.527849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19102.527849][ T7704] neigh_parms_alloc+0x1e5/0x510 [19102.527849][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19102.527849][ T7704] ipv6_find_idev+0x102/0x170 [19102.527849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19102.527849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19102.527849][ T7704] netlink_rcv_skb+0x130/0x360 [19102.527849][ T7704] netlink_unicast+0x449/0x710 [19102.527849][ T7704] netlink_sendmsg+0x723/0xbe0 [19102.527849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19102.527849][ T7704] ___sys_sendmsg+0xee/0x170 [19102.527849][ T7704] __sys_sendmsg+0xcd/0x170 [19102.527849][ T7704] do_syscall_64+0xc6/0x1e0 [19102.527849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19102.527849][ T7704] [19112.767032][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19112.767494][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19112.767494][ T7704] netdev_get_by_index+0x5e/0x80 [19112.767494][ T7704] fib6_nh_init+0x3d8/0x15b0 [19112.767494][ T7704] ip6_route_info_create+0xf18/0x17d0 [19112.767494][ T7704] ip6_route_add+0x1c/0x140 [19112.767494][ T7704] addrconf_prefix_route+0x2a6/0x430 [19112.767494][ T7704] inet6_addr_add+0x4f8/0xa40 [19112.767494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19112.767494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19112.767494][ T7704] netlink_rcv_skb+0x130/0x360 [19112.767494][ T7704] netlink_unicast+0x449/0x710 [19112.767494][ T7704] netlink_sendmsg+0x723/0xbe0 [19112.767494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19112.767494][ T7704] ___sys_sendmsg+0xee/0x170 [19112.767494][ T7704] __sys_sendmsg+0xcd/0x170 [19112.767494][ T7704] do_syscall_64+0xc6/0x1e0 [19112.767494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19112.767494][ T7704] [19112.769766][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19112.769766][ T7704] netdev_get_by_index+0x5e/0x80 [19112.769766][ T7704] fib6_nh_init+0x3d8/0x15b0 [19112.769766][ T7704] ip6_route_info_create+0xf18/0x17d0 [19112.769766][ T7704] addrconf_f6i_alloc+0x315/0x560 [19112.769766][ T7704] ipv6_add_addr+0x411/0x2000 [19112.769766][ T7704] inet6_addr_add+0x30e/0xa40 [19112.769766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19112.769766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19112.769766][ T7704] netlink_rcv_skb+0x130/0x360 [19112.769766][ T7704] netlink_unicast+0x449/0x710 [19112.769766][ T7704] netlink_sendmsg+0x723/0xbe0 [19112.769766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19112.769766][ T7704] ___sys_sendmsg+0xee/0x170 [19112.769766][ T7704] __sys_sendmsg+0xcd/0x170 [19112.769766][ T7704] do_syscall_64+0xc6/0x1e0 [19112.769766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19112.769766][ T7704] [19112.772027][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19112.772027][ T7704] netdev_get_by_index+0x5e/0x80 [19112.772027][ T7704] fib6_nh_init+0x3d8/0x15b0 [19112.772027][ T7704] ip6_route_info_create+0xf18/0x17d0 [19112.772027][ T7704] ip6_route_add+0x1c/0x140 [19112.772027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19112.772027][ T7704] addrconf_add_dev+0xe2/0x170 [19112.772027][ T7704] inet6_addr_add+0x12f/0xa40 [19112.772027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19112.772027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19112.772027][ T7704] netlink_rcv_skb+0x130/0x360 [19112.772027][ T7704] netlink_unicast+0x449/0x710 [19112.772027][ T7704] netlink_sendmsg+0x723/0xbe0 [19112.772027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19112.772027][ T7704] ___sys_sendmsg+0xee/0x170 [19112.772027][ T7704] __sys_sendmsg+0xcd/0x170 [19112.772027][ T7704] do_syscall_64+0xc6/0x1e0 [19112.772027][ T7704] [19112.774229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19112.774229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19112.774229][ T7704] ipv6_find_idev+0x102/0x170 [19112.774229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19112.774229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19112.774229][ T7704] netlink_rcv_skb+0x130/0x360 [19112.774229][ T7704] netlink_unicast+0x449/0x710 [19112.774229][ T7704] netlink_sendmsg+0x723/0xbe0 [19112.774229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19112.774229][ T7704] ___sys_sendmsg+0xee/0x170 [19112.774229][ T7704] __sys_sendmsg+0xcd/0x170 [19112.774229][ T7704] do_syscall_64+0xc6/0x1e0 [19112.774229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19112.774229][ T7704] [19112.775950][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19112.775950][ T7704] neigh_parms_alloc+0x1e5/0x510 [19112.775950][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19112.775950][ T7704] ipv6_find_idev+0x102/0x170 [19112.775950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19112.775950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19112.775950][ T7704] netlink_rcv_skb+0x130/0x360 [19112.775950][ T7704] netlink_unicast+0x449/0x710 [19112.775950][ T7704] netlink_sendmsg+0x723/0xbe0 [19112.775950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19112.775950][ T7704] ___sys_sendmsg+0xee/0x170 [19112.775950][ T7704] __sys_sendmsg+0xcd/0x170 [19112.775950][ T7704] do_syscall_64+0xc6/0x1e0 [19112.775950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19112.775950][ T7704] [19123.014992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19123.015475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19123.015475][ T7704] netdev_get_by_index+0x5e/0x80 [19123.015475][ T7704] fib6_nh_init+0x3d8/0x15b0 [19123.015475][ T7704] ip6_route_info_create+0xf18/0x17d0 [19123.015475][ T7704] ip6_route_add+0x1c/0x140 [19123.015475][ T7704] addrconf_prefix_route+0x2a6/0x430 [19123.015475][ T7704] inet6_addr_add+0x4f8/0xa40 [19123.015475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19123.015475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19123.015475][ T7704] netlink_rcv_skb+0x130/0x360 [19123.015475][ T7704] netlink_unicast+0x449/0x710 [19123.015475][ T7704] netlink_sendmsg+0x723/0xbe0 [19123.015475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19123.015475][ T7704] ___sys_sendmsg+0xee/0x170 [19123.015475][ T7704] __sys_sendmsg+0xcd/0x170 [19123.015475][ T7704] do_syscall_64+0xc6/0x1e0 [19123.015475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19123.015475][ T7704] [19123.017742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19123.017742][ T7704] netdev_get_by_index+0x5e/0x80 [19123.017742][ T7704] fib6_nh_init+0x3d8/0x15b0 [19123.017742][ T7704] ip6_route_info_create+0xf18/0x17d0 [19123.017742][ T7704] addrconf_f6i_alloc+0x315/0x560 [19123.017742][ T7704] ipv6_add_addr+0x411/0x2000 [19123.017742][ T7704] inet6_addr_add+0x30e/0xa40 [19123.017742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19123.017742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19123.017742][ T7704] netlink_rcv_skb+0x130/0x360 [19123.017742][ T7704] netlink_unicast+0x449/0x710 [19123.017742][ T7704] netlink_sendmsg+0x723/0xbe0 [19123.017742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19123.017742][ T7704] ___sys_sendmsg+0xee/0x170 [19123.017742][ T7704] __sys_sendmsg+0xcd/0x170 [19123.017742][ T7704] do_syscall_64+0xc6/0x1e0 [19123.017742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19123.017742][ T7704] [19123.019973][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19123.019973][ T7704] netdev_get_by_index+0x5e/0x80 [19123.019973][ T7704] fib6_nh_init+0x3d8/0x15b0 [19123.019973][ T7704] ip6_route_info_create+0xf18/0x17d0 [19123.019973][ T7704] ip6_route_add+0x1c/0x140 [19123.019973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19123.019973][ T7704] addrconf_add_dev+0xe2/0x170 [19123.019973][ T7704] inet6_addr_add+0x12f/0xa40 [19123.019973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19123.019973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19123.019973][ T7704] netlink_rcv_skb+0x130/0x360 [19123.019973][ T7704] netlink_unicast+0x449/0x710 [19123.019973][ T7704] netlink_sendmsg+0x723/0xbe0 [19123.019973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19123.019973][ T7704] ___sys_sendmsg+0xee/0x170 [19123.019973][ T7704] __sys_sendmsg+0xcd/0x170 [19123.019973][ T7704] do_syscall_64+0xc6/0x1e0 [19123.019973][ T7704] [19123.022165][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19123.022165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19123.022165][ T7704] ipv6_find_idev+0x102/0x170 [19123.022165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19123.022165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19123.022165][ T7704] netlink_rcv_skb+0x130/0x360 [19123.022165][ T7704] netlink_unicast+0x449/0x710 [19123.022165][ T7704] netlink_sendmsg+0x723/0xbe0 [19123.022165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19123.022165][ T7704] ___sys_sendmsg+0xee/0x170 [19123.022165][ T7704] __sys_sendmsg+0xcd/0x170 [19123.022165][ T7704] do_syscall_64+0xc6/0x1e0 [19123.022165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19123.022165][ T7704] [19123.023874][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19123.023874][ T7704] neigh_parms_alloc+0x1e5/0x510 [19123.023874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19123.023874][ T7704] ipv6_find_idev+0x102/0x170 [19123.023874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19123.023874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19123.023874][ T7704] netlink_rcv_skb+0x130/0x360 [19123.023874][ T7704] netlink_unicast+0x449/0x710 [19123.023874][ T7704] netlink_sendmsg+0x723/0xbe0 [19123.023874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19123.023874][ T7704] ___sys_sendmsg+0xee/0x170 [19123.023874][ T7704] __sys_sendmsg+0xcd/0x170 [19123.023874][ T7704] do_syscall_64+0xc6/0x1e0 [19123.023874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19123.023874][ T7704] [19133.118979][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19133.128848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19133.128848][ T7704] netdev_get_by_index+0x5e/0x80 [19133.128848][ T7704] fib6_nh_init+0x3d8/0x15b0 [19133.128848][ T7704] ip6_route_info_create+0xf18/0x17d0 [19133.128848][ T7704] ip6_route_add+0x1c/0x140 [19133.128848][ T7704] addrconf_prefix_route+0x2a6/0x430 [19133.128848][ T7704] inet6_addr_add+0x4f8/0xa40 [19133.128848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19133.128848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19133.128848][ T7704] netlink_rcv_skb+0x130/0x360 [19133.128848][ T7704] netlink_unicast+0x449/0x710 [19133.128848][ T7704] netlink_sendmsg+0x723/0xbe0 [19133.128848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19133.128848][ T7704] ___sys_sendmsg+0xee/0x170 [19133.128848][ T7704] __sys_sendmsg+0xcd/0x170 [19133.128848][ T7704] do_syscall_64+0xc6/0x1e0 [19133.128848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19133.128848][ T7704] [19133.134206][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19133.134206][ T7704] netdev_get_by_index+0x5e/0x80 [19133.134206][ T7704] fib6_nh_init+0x3d8/0x15b0 [19133.134206][ T7704] ip6_route_info_create+0xf18/0x17d0 [19133.134206][ T7704] addrconf_f6i_alloc+0x315/0x560 [19133.134206][ T7704] ipv6_add_addr+0x411/0x2000 [19133.134206][ T7704] inet6_addr_add+0x30e/0xa40 [19133.134206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19133.134206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19133.134206][ T7704] netlink_rcv_skb+0x130/0x360 [19133.134206][ T7704] netlink_unicast+0x449/0x710 [19133.134206][ T7704] netlink_sendmsg+0x723/0xbe0 [19133.134206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19133.134206][ T7704] ___sys_sendmsg+0xee/0x170 [19133.134206][ T7704] __sys_sendmsg+0xcd/0x170 [19133.134206][ T7704] do_syscall_64+0xc6/0x1e0 [19133.134206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19133.134206][ T7704] [19133.139539][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19133.139539][ T7704] netdev_get_by_index+0x5e/0x80 [19133.139539][ T7704] fib6_nh_init+0x3d8/0x15b0 [19133.139539][ T7704] ip6_route_info_create+0xf18/0x17d0 [19133.139539][ T7704] ip6_route_add+0x1c/0x140 [19133.139539][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19133.139539][ T7704] addrconf_add_dev+0xe2/0x170 [19133.139539][ T7704] inet6_addr_add+0x12f/0xa40 [19133.139539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19133.139539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19133.139539][ T7704] netlink_rcv_skb+0x130/0x360 [19133.139539][ T7704] netlink_unicast+0x449/0x710 [19133.139539][ T7704] netlink_sendmsg+0x723/0xbe0 [19133.139539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19133.139539][ T7704] ___sys_sendmsg+0xee/0x170 [19133.139539][ T7704] __sys_sendmsg+0xcd/0x170 [19133.139539][ T7704] do_syscall_64+0xc6/0x1e0 [19133.139539][ T7704] [19133.144685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19133.144685][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19133.144685][ T7704] ipv6_find_idev+0x102/0x170 [19133.144685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19133.144685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19133.144685][ T7704] netlink_rcv_skb+0x130/0x360 [19133.144685][ T7704] netlink_unicast+0x449/0x710 [19133.144685][ T7704] netlink_sendmsg+0x723/0xbe0 [19133.144685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19133.144685][ T7704] ___sys_sendmsg+0xee/0x170 [19133.144685][ T7704] __sys_sendmsg+0xcd/0x170 [19133.144685][ T7704] do_syscall_64+0xc6/0x1e0 [19133.144685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19133.144685][ T7704] [19133.151361][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19133.151361][ T7704] neigh_parms_alloc+0x1e5/0x510 [19133.151361][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19133.151361][ T7704] ipv6_find_idev+0x102/0x170 [19133.151361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19133.151361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19133.151361][ T7704] netlink_rcv_skb+0x130/0x360 [19133.151361][ T7704] netlink_unicast+0x449/0x710 [19133.151361][ T7704] netlink_sendmsg+0x723/0xbe0 [19133.151361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19133.151361][ T7704] ___sys_sendmsg+0xee/0x170 [19133.151361][ T7704] __sys_sendmsg+0xcd/0x170 [19133.151361][ T7704] do_syscall_64+0xc6/0x1e0 [19133.151361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19133.151361][ T7704] [19143.422969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19143.441401][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19143.441401][ T7704] netdev_get_by_index+0x5e/0x80 [19143.441401][ T7704] fib6_nh_init+0x3d8/0x15b0 [19143.441401][ T7704] ip6_route_info_create+0xf18/0x17d0 [19143.441401][ T7704] ip6_route_add+0x1c/0x140 [19143.441401][ T7704] addrconf_prefix_route+0x2a6/0x430 [19143.441401][ T7704] inet6_addr_add+0x4f8/0xa40 [19143.441401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19143.441401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19143.441401][ T7704] netlink_rcv_skb+0x130/0x360 [19143.441401][ T7704] netlink_unicast+0x449/0x710 [19143.441401][ T7704] netlink_sendmsg+0x723/0xbe0 [19143.441401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19143.441401][ T7704] ___sys_sendmsg+0xee/0x170 [19143.441401][ T7704] __sys_sendmsg+0xcd/0x170 [19143.441401][ T7704] do_syscall_64+0xc6/0x1e0 [19143.441401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19143.441401][ T7704] [19143.445562][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19143.445562][ T7704] netdev_get_by_index+0x5e/0x80 [19143.445562][ T7704] fib6_nh_init+0x3d8/0x15b0 [19143.445562][ T7704] ip6_route_info_create+0xf18/0x17d0 [19143.445562][ T7704] addrconf_f6i_alloc+0x315/0x560 [19143.445562][ T7704] ipv6_add_addr+0x411/0x2000 [19143.445562][ T7704] inet6_addr_add+0x30e/0xa40 [19143.445562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19143.445562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19143.445562][ T7704] netlink_rcv_skb+0x130/0x360 [19143.445562][ T7704] netlink_unicast+0x449/0x710 [19143.445562][ T7704] netlink_sendmsg+0x723/0xbe0 [19143.445562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19143.445562][ T7704] ___sys_sendmsg+0xee/0x170 [19143.445562][ T7704] __sys_sendmsg+0xcd/0x170 [19143.445562][ T7704] do_syscall_64+0xc6/0x1e0 [19143.445562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19143.445562][ T7704] [19143.449580][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19143.449580][ T7704] netdev_get_by_index+0x5e/0x80 [19143.449580][ T7704] fib6_nh_init+0x3d8/0x15b0 [19143.449580][ T7704] ip6_route_info_create+0xf18/0x17d0 [19143.449580][ T7704] ip6_route_add+0x1c/0x140 [19143.449580][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19143.449580][ T7704] addrconf_add_dev+0xe2/0x170 [19143.449580][ T7704] inet6_addr_add+0x12f/0xa40 [19143.449580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19143.449580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19143.449580][ T7704] netlink_rcv_skb+0x130/0x360 [19143.449580][ T7704] netlink_unicast+0x449/0x710 [19143.449580][ T7704] netlink_sendmsg+0x723/0xbe0 [19143.449580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19143.449580][ T7704] ___sys_sendmsg+0xee/0x170 [19143.449580][ T7704] __sys_sendmsg+0xcd/0x170 [19143.449580][ T7704] do_syscall_64+0xc6/0x1e0 [19143.449580][ T7704] [19143.455847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19143.455847][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19143.455847][ T7704] ipv6_find_idev+0x102/0x170 [19143.455847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19143.455847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19143.455847][ T7704] netlink_rcv_skb+0x130/0x360 [19143.455847][ T7704] netlink_unicast+0x449/0x710 [19143.455847][ T7704] netlink_sendmsg+0x723/0xbe0 [19143.455847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19143.455847][ T7704] ___sys_sendmsg+0xee/0x170 [19143.455847][ T7704] __sys_sendmsg+0xcd/0x170 [19143.455847][ T7704] do_syscall_64+0xc6/0x1e0 [19143.455847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19143.455847][ T7704] [19143.462865][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19143.462865][ T7704] neigh_parms_alloc+0x1e5/0x510 [19143.462865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19143.462865][ T7704] ipv6_find_idev+0x102/0x170 [19143.462865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19143.462865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19143.462865][ T7704] netlink_rcv_skb+0x130/0x360 [19143.462865][ T7704] netlink_unicast+0x449/0x710 [19143.462865][ T7704] netlink_sendmsg+0x723/0xbe0 [19143.462865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19143.462865][ T7704] ___sys_sendmsg+0xee/0x170 [19143.462865][ T7704] __sys_sendmsg+0xcd/0x170 [19143.462865][ T7704] do_syscall_64+0xc6/0x1e0 [19143.462865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19143.462865][ T7704] [19153.718964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19153.719716][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19153.719716][ T7704] netdev_get_by_index+0x5e/0x80 [19153.719716][ T7704] fib6_nh_init+0x3d8/0x15b0 [19153.719716][ T7704] ip6_route_info_create+0xf18/0x17d0 [19153.719716][ T7704] ip6_route_add+0x1c/0x140 [19153.719716][ T7704] addrconf_prefix_route+0x2a6/0x430 [19153.719716][ T7704] inet6_addr_add+0x4f8/0xa40 [19153.719716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19153.719716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19153.719716][ T7704] netlink_rcv_skb+0x130/0x360 [19153.719716][ T7704] netlink_unicast+0x449/0x710 [19153.719716][ T7704] netlink_sendmsg+0x723/0xbe0 [19153.719716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19153.719716][ T7704] ___sys_sendmsg+0xee/0x170 [19153.719716][ T7704] __sys_sendmsg+0xcd/0x170 [19153.719716][ T7704] do_syscall_64+0xc6/0x1e0 [19153.719716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19153.719716][ T7704] [19153.723947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19153.723947][ T7704] netdev_get_by_index+0x5e/0x80 [19153.723947][ T7704] fib6_nh_init+0x3d8/0x15b0 [19153.723947][ T7704] ip6_route_info_create+0xf18/0x17d0 [19153.723947][ T7704] addrconf_f6i_alloc+0x315/0x560 [19153.723947][ T7704] ipv6_add_addr+0x411/0x2000 [19153.723947][ T7704] inet6_addr_add+0x30e/0xa40 [19153.723947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19153.723947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19153.723947][ T7704] netlink_rcv_skb+0x130/0x360 [19153.723947][ T7704] netlink_unicast+0x449/0x710 [19153.723947][ T7704] netlink_sendmsg+0x723/0xbe0 [19153.723947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19153.723947][ T7704] ___sys_sendmsg+0xee/0x170 [19153.723947][ T7704] __sys_sendmsg+0xcd/0x170 [19153.723947][ T7704] do_syscall_64+0xc6/0x1e0 [19153.723947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19153.723947][ T7704] [19153.728143][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19153.728143][ T7704] netdev_get_by_index+0x5e/0x80 [19153.728143][ T7704] fib6_nh_init+0x3d8/0x15b0 [19153.728143][ T7704] ip6_route_info_create+0xf18/0x17d0 [19153.728143][ T7704] ip6_route_add+0x1c/0x140 [19153.728143][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19153.728143][ T7704] addrconf_add_dev+0xe2/0x170 [19153.728143][ T7704] inet6_addr_add+0x12f/0xa40 [19153.728143][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19153.728143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19153.728143][ T7704] netlink_rcv_skb+0x130/0x360 [19153.728143][ T7704] netlink_unicast+0x449/0x710 [19153.728143][ T7704] netlink_sendmsg+0x723/0xbe0 [19153.728143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19153.728143][ T7704] ___sys_sendmsg+0xee/0x170 [19153.728143][ T7704] __sys_sendmsg+0xcd/0x170 [19153.728143][ T7704] do_syscall_64+0xc6/0x1e0 [19153.728143][ T7704] [19153.733160][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19153.733160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19153.733160][ T7704] ipv6_find_idev+0x102/0x170 [19153.733160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19153.733160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19153.733160][ T7704] netlink_rcv_skb+0x130/0x360 [19153.733160][ T7704] netlink_unicast+0x449/0x710 [19153.733160][ T7704] netlink_sendmsg+0x723/0xbe0 [19153.733160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19153.733160][ T7704] ___sys_sendmsg+0xee/0x170 [19153.733160][ T7704] __sys_sendmsg+0xcd/0x170 [19153.733160][ T7704] do_syscall_64+0xc6/0x1e0 [19153.733160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19153.733160][ T7704] [19153.736411][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19153.736411][ T7704] neigh_parms_alloc+0x1e5/0x510 [19153.736411][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19153.736411][ T7704] ipv6_find_idev+0x102/0x170 [19153.736411][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19153.736411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19153.736411][ T7704] netlink_rcv_skb+0x130/0x360 [19153.736411][ T7704] netlink_unicast+0x449/0x710 [19153.736411][ T7704] netlink_sendmsg+0x723/0xbe0 [19153.736411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19153.736411][ T7704] ___sys_sendmsg+0xee/0x170 [19153.736411][ T7704] __sys_sendmsg+0xcd/0x170 [19153.736411][ T7704] do_syscall_64+0xc6/0x1e0 [19153.736411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19153.736411][ T7704] [19163.846885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19163.847350][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19163.847350][ T7704] netdev_get_by_index+0x5e/0x80 [19163.847350][ T7704] fib6_nh_init+0x3d8/0x15b0 [19163.847350][ T7704] ip6_route_info_create+0xf18/0x17d0 [19163.847350][ T7704] ip6_route_add+0x1c/0x140 [19163.847350][ T7704] addrconf_prefix_route+0x2a6/0x430 [19163.847350][ T7704] inet6_addr_add+0x4f8/0xa40 [19163.847350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19163.847350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19163.847350][ T7704] netlink_rcv_skb+0x130/0x360 [19163.847350][ T7704] netlink_unicast+0x449/0x710 [19163.847350][ T7704] netlink_sendmsg+0x723/0xbe0 [19163.847350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19163.847350][ T7704] ___sys_sendmsg+0xee/0x170 [19163.847350][ T7704] __sys_sendmsg+0xcd/0x170 [19163.847350][ T7704] do_syscall_64+0xc6/0x1e0 [19163.847350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19163.847350][ T7704] [19163.849628][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19163.849628][ T7704] netdev_get_by_index+0x5e/0x80 [19163.849628][ T7704] fib6_nh_init+0x3d8/0x15b0 [19163.849628][ T7704] ip6_route_info_create+0xf18/0x17d0 [19163.849628][ T7704] addrconf_f6i_alloc+0x315/0x560 [19163.849628][ T7704] ipv6_add_addr+0x411/0x2000 [19163.849628][ T7704] inet6_addr_add+0x30e/0xa40 [19163.849628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19163.849628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19163.849628][ T7704] netlink_rcv_skb+0x130/0x360 [19163.849628][ T7704] netlink_unicast+0x449/0x710 [19163.849628][ T7704] netlink_sendmsg+0x723/0xbe0 [19163.849628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19163.849628][ T7704] ___sys_sendmsg+0xee/0x170 [19163.849628][ T7704] __sys_sendmsg+0xcd/0x170 [19163.849628][ T7704] do_syscall_64+0xc6/0x1e0 [19163.849628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19163.849628][ T7704] [19163.851914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19163.851914][ T7704] netdev_get_by_index+0x5e/0x80 [19163.851914][ T7704] fib6_nh_init+0x3d8/0x15b0 [19163.851914][ T7704] ip6_route_info_create+0xf18/0x17d0 [19163.851914][ T7704] ip6_route_add+0x1c/0x140 [19163.851914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19163.851914][ T7704] addrconf_add_dev+0xe2/0x170 [19163.851914][ T7704] inet6_addr_add+0x12f/0xa40 [19163.851914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19163.851914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19163.851914][ T7704] netlink_rcv_skb+0x130/0x360 [19163.851914][ T7704] netlink_unicast+0x449/0x710 [19163.851914][ T7704] netlink_sendmsg+0x723/0xbe0 [19163.851914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19163.851914][ T7704] ___sys_sendmsg+0xee/0x170 [19163.851914][ T7704] __sys_sendmsg+0xcd/0x170 [19163.851914][ T7704] do_syscall_64+0xc6/0x1e0 [19163.851914][ T7704] [19163.854137][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19163.854137][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19163.854137][ T7704] ipv6_find_idev+0x102/0x170 [19163.854137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19163.854137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19163.854137][ T7704] netlink_rcv_skb+0x130/0x360 [19163.854137][ T7704] netlink_unicast+0x449/0x710 [19163.854137][ T7704] netlink_sendmsg+0x723/0xbe0 [19163.854137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19163.854137][ T7704] ___sys_sendmsg+0xee/0x170 [19163.854137][ T7704] __sys_sendmsg+0xcd/0x170 [19163.854137][ T7704] do_syscall_64+0xc6/0x1e0 [19163.854137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19163.854137][ T7704] [19163.855864][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19163.855864][ T7704] neigh_parms_alloc+0x1e5/0x510 [19163.855864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19163.855864][ T7704] ipv6_find_idev+0x102/0x170 [19163.855864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19163.855864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19163.855864][ T7704] netlink_rcv_skb+0x130/0x360 [19163.855864][ T7704] netlink_unicast+0x449/0x710 [19163.855864][ T7704] netlink_sendmsg+0x723/0xbe0 [19163.855864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19163.855864][ T7704] ___sys_sendmsg+0xee/0x170 [19163.855864][ T7704] __sys_sendmsg+0xcd/0x170 [19163.855864][ T7704] do_syscall_64+0xc6/0x1e0 [19163.855864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19163.855864][ T7704] [19174.102971][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19174.103687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19174.103687][ T7704] netdev_get_by_index+0x5e/0x80 [19174.103687][ T7704] fib6_nh_init+0x3d8/0x15b0 [19174.103687][ T7704] ip6_route_info_create+0xf18/0x17d0 [19174.103687][ T7704] ip6_route_add+0x1c/0x140 [19174.103687][ T7704] addrconf_prefix_route+0x2a6/0x430 [19174.103687][ T7704] inet6_addr_add+0x4f8/0xa40 [19174.103687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19174.103687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19174.103687][ T7704] netlink_rcv_skb+0x130/0x360 [19174.103687][ T7704] netlink_unicast+0x449/0x710 [19174.103687][ T7704] netlink_sendmsg+0x723/0xbe0 [19174.103687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19174.103687][ T7704] ___sys_sendmsg+0xee/0x170 [19174.103687][ T7704] __sys_sendmsg+0xcd/0x170 [19174.103687][ T7704] do_syscall_64+0xc6/0x1e0 [19174.103687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19174.103687][ T7704] [19174.107118][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19174.107118][ T7704] netdev_get_by_index+0x5e/0x80 [19174.107118][ T7704] fib6_nh_init+0x3d8/0x15b0 [19174.107118][ T7704] ip6_route_info_create+0xf18/0x17d0 [19174.107118][ T7704] addrconf_f6i_alloc+0x315/0x560 [19174.107118][ T7704] ipv6_add_addr+0x411/0x2000 [19174.107118][ T7704] inet6_addr_add+0x30e/0xa40 [19174.107118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19174.107118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19174.107118][ T7704] netlink_rcv_skb+0x130/0x360 [19174.107118][ T7704] netlink_unicast+0x449/0x710 [19174.107118][ T7704] netlink_sendmsg+0x723/0xbe0 [19174.107118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19174.107118][ T7704] ___sys_sendmsg+0xee/0x170 [19174.107118][ T7704] __sys_sendmsg+0xcd/0x170 [19174.107118][ T7704] do_syscall_64+0xc6/0x1e0 [19174.107118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19174.107118][ T7704] [19174.109753][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19174.109753][ T7704] netdev_get_by_index+0x5e/0x80 [19174.109753][ T7704] fib6_nh_init+0x3d8/0x15b0 [19174.109753][ T7704] ip6_route_info_create+0xf18/0x17d0 [19174.109753][ T7704] ip6_route_add+0x1c/0x140 [19174.109753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19174.109753][ T7704] addrconf_add_dev+0xe2/0x170 [19174.109753][ T7704] inet6_addr_add+0x12f/0xa40 [19174.109753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19174.109753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19174.109753][ T7704] netlink_rcv_skb+0x130/0x360 [19174.109753][ T7704] netlink_unicast+0x449/0x710 [19174.109753][ T7704] netlink_sendmsg+0x723/0xbe0 [19174.109753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19174.109753][ T7704] ___sys_sendmsg+0xee/0x170 [19174.109753][ T7704] __sys_sendmsg+0xcd/0x170 [19174.109753][ T7704] do_syscall_64+0xc6/0x1e0 [19174.109753][ T7704] [19174.112477][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19174.112477][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19174.112477][ T7704] ipv6_find_idev+0x102/0x170 [19174.112477][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19174.112477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19174.112477][ T7704] netlink_rcv_skb+0x130/0x360 [19174.112477][ T7704] netlink_unicast+0x449/0x710 [19174.112477][ T7704] netlink_sendmsg+0x723/0xbe0 [19174.112477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19174.112477][ T7704] ___sys_sendmsg+0xee/0x170 [19174.112477][ T7704] __sys_sendmsg+0xcd/0x170 [19174.112477][ T7704] do_syscall_64+0xc6/0x1e0 [19174.112477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19174.112477][ T7704] [19174.114507][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19174.114507][ T7704] neigh_parms_alloc+0x1e5/0x510 [19174.114507][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19174.114507][ T7704] ipv6_find_idev+0x102/0x170 [19174.114507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19174.114507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19174.114507][ T7704] netlink_rcv_skb+0x130/0x360 [19174.114507][ T7704] netlink_unicast+0x449/0x710 [19174.114507][ T7704] netlink_sendmsg+0x723/0xbe0 [19174.114507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19174.114507][ T7704] ___sys_sendmsg+0xee/0x170 [19174.114507][ T7704] __sys_sendmsg+0xcd/0x170 [19174.114507][ T7704] do_syscall_64+0xc6/0x1e0 [19174.114507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19174.114507][ T7704] [19184.198972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19184.199478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19184.199478][ T7704] netdev_get_by_index+0x5e/0x80 [19184.199478][ T7704] fib6_nh_init+0x3d8/0x15b0 [19184.199478][ T7704] ip6_route_info_create+0xf18/0x17d0 [19184.199478][ T7704] ip6_route_add+0x1c/0x140 [19184.199478][ T7704] addrconf_prefix_route+0x2a6/0x430 [19184.199478][ T7704] inet6_addr_add+0x4f8/0xa40 [19184.199478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19184.199478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19184.199478][ T7704] netlink_rcv_skb+0x130/0x360 [19184.199478][ T7704] netlink_unicast+0x449/0x710 [19184.199478][ T7704] netlink_sendmsg+0x723/0xbe0 [19184.199478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19184.199478][ T7704] ___sys_sendmsg+0xee/0x170 [19184.199478][ T7704] __sys_sendmsg+0xcd/0x170 [19184.199478][ T7704] do_syscall_64+0xc6/0x1e0 [19184.199478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19184.199478][ T7704] [19184.201840][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19184.201840][ T7704] netdev_get_by_index+0x5e/0x80 [19184.201840][ T7704] fib6_nh_init+0x3d8/0x15b0 [19184.201840][ T7704] ip6_route_info_create+0xf18/0x17d0 [19184.201840][ T7704] addrconf_f6i_alloc+0x315/0x560 [19184.201840][ T7704] ipv6_add_addr+0x411/0x2000 [19184.201840][ T7704] inet6_addr_add+0x30e/0xa40 [19184.201840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19184.201840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19184.201840][ T7704] netlink_rcv_skb+0x130/0x360 [19184.201840][ T7704] netlink_unicast+0x449/0x710 [19184.201840][ T7704] netlink_sendmsg+0x723/0xbe0 [19184.201840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19184.201840][ T7704] ___sys_sendmsg+0xee/0x170 [19184.201840][ T7704] __sys_sendmsg+0xcd/0x170 [19184.201840][ T7704] do_syscall_64+0xc6/0x1e0 [19184.201840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19184.201840][ T7704] [19184.204139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19184.204139][ T7704] netdev_get_by_index+0x5e/0x80 [19184.204139][ T7704] fib6_nh_init+0x3d8/0x15b0 [19184.204139][ T7704] ip6_route_info_create+0xf18/0x17d0 [19184.204139][ T7704] ip6_route_add+0x1c/0x140 [19184.204139][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19184.204139][ T7704] addrconf_add_dev+0xe2/0x170 [19184.204139][ T7704] inet6_addr_add+0x12f/0xa40 [19184.204139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19184.204139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19184.204139][ T7704] netlink_rcv_skb+0x130/0x360 [19184.204139][ T7704] netlink_unicast+0x449/0x710 [19184.204139][ T7704] netlink_sendmsg+0x723/0xbe0 [19184.204139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19184.204139][ T7704] ___sys_sendmsg+0xee/0x170 [19184.204139][ T7704] __sys_sendmsg+0xcd/0x170 [19184.204139][ T7704] do_syscall_64+0xc6/0x1e0 [19184.204139][ T7704] [19184.206398][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19184.206398][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19184.206398][ T7704] ipv6_find_idev+0x102/0x170 [19184.206398][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19184.206398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19184.206398][ T7704] netlink_rcv_skb+0x130/0x360 [19184.206398][ T7704] netlink_unicast+0x449/0x710 [19184.206398][ T7704] netlink_sendmsg+0x723/0xbe0 [19184.206398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19184.206398][ T7704] ___sys_sendmsg+0xee/0x170 [19184.206398][ T7704] __sys_sendmsg+0xcd/0x170 [19184.206398][ T7704] do_syscall_64+0xc6/0x1e0 [19184.206398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19184.206398][ T7704] [19184.208167][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19184.208167][ T7704] neigh_parms_alloc+0x1e5/0x510 [19184.208167][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19184.208167][ T7704] ipv6_find_idev+0x102/0x170 [19184.208167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19184.208167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19184.208167][ T7704] netlink_rcv_skb+0x130/0x360 [19184.208167][ T7704] netlink_unicast+0x449/0x710 [19184.208167][ T7704] netlink_sendmsg+0x723/0xbe0 [19184.208167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19184.208167][ T7704] ___sys_sendmsg+0xee/0x170 [19184.208167][ T7704] __sys_sendmsg+0xcd/0x170 [19184.208167][ T7704] do_syscall_64+0xc6/0x1e0 [19184.208167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19184.208167][ T7704] [19194.447088][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19194.447532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19194.447532][ T7704] netdev_get_by_index+0x5e/0x80 [19194.447532][ T7704] fib6_nh_init+0x3d8/0x15b0 [19194.447532][ T7704] ip6_route_info_create+0xf18/0x17d0 [19194.447532][ T7704] ip6_route_add+0x1c/0x140 [19194.447532][ T7704] addrconf_prefix_route+0x2a6/0x430 [19194.447532][ T7704] inet6_addr_add+0x4f8/0xa40 [19194.447532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19194.447532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19194.447532][ T7704] netlink_rcv_skb+0x130/0x360 [19194.447532][ T7704] netlink_unicast+0x449/0x710 [19194.447532][ T7704] netlink_sendmsg+0x723/0xbe0 [19194.447532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19194.447532][ T7704] ___sys_sendmsg+0xee/0x170 [19194.447532][ T7704] __sys_sendmsg+0xcd/0x170 [19194.447532][ T7704] do_syscall_64+0xc6/0x1e0 [19194.447532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19194.447532][ T7704] [19194.449871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19194.449871][ T7704] netdev_get_by_index+0x5e/0x80 [19194.449871][ T7704] fib6_nh_init+0x3d8/0x15b0 [19194.449871][ T7704] ip6_route_info_create+0xf18/0x17d0 [19194.449871][ T7704] addrconf_f6i_alloc+0x315/0x560 [19194.449871][ T7704] ipv6_add_addr+0x411/0x2000 [19194.449871][ T7704] inet6_addr_add+0x30e/0xa40 [19194.449871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19194.449871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19194.449871][ T7704] netlink_rcv_skb+0x130/0x360 [19194.449871][ T7704] netlink_unicast+0x449/0x710 [19194.449871][ T7704] netlink_sendmsg+0x723/0xbe0 [19194.449871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19194.449871][ T7704] ___sys_sendmsg+0xee/0x170 [19194.449871][ T7704] __sys_sendmsg+0xcd/0x170 [19194.449871][ T7704] do_syscall_64+0xc6/0x1e0 [19194.449871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19194.449871][ T7704] [19194.452139][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19194.452139][ T7704] netdev_get_by_index+0x5e/0x80 [19194.452139][ T7704] fib6_nh_init+0x3d8/0x15b0 [19194.452139][ T7704] ip6_route_info_create+0xf18/0x17d0 [19194.452139][ T7704] ip6_route_add+0x1c/0x140 [19194.452139][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19194.452139][ T7704] addrconf_add_dev+0xe2/0x170 [19194.452139][ T7704] inet6_addr_add+0x12f/0xa40 [19194.452139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19194.452139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19194.452139][ T7704] netlink_rcv_skb+0x130/0x360 [19194.452139][ T7704] netlink_unicast+0x449/0x710 [19194.452139][ T7704] netlink_sendmsg+0x723/0xbe0 [19194.452139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19194.452139][ T7704] ___sys_sendmsg+0xee/0x170 [19194.452139][ T7704] __sys_sendmsg+0xcd/0x170 [19194.452139][ T7704] do_syscall_64+0xc6/0x1e0 [19194.452139][ T7704] [19194.454359][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19194.454359][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19194.454359][ T7704] ipv6_find_idev+0x102/0x170 [19194.454359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19194.454359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19194.454359][ T7704] netlink_rcv_skb+0x130/0x360 [19194.454359][ T7704] netlink_unicast+0x449/0x710 [19194.454359][ T7704] netlink_sendmsg+0x723/0xbe0 [19194.454359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19194.454359][ T7704] ___sys_sendmsg+0xee/0x170 [19194.454359][ T7704] __sys_sendmsg+0xcd/0x170 [19194.454359][ T7704] do_syscall_64+0xc6/0x1e0 [19194.454359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19194.454359][ T7704] [19194.456113][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19194.456113][ T7704] neigh_parms_alloc+0x1e5/0x510 [19194.456113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19194.456113][ T7704] ipv6_find_idev+0x102/0x170 [19194.456113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19194.456113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19194.456113][ T7704] netlink_rcv_skb+0x130/0x360 [19194.456113][ T7704] netlink_unicast+0x449/0x710 [19194.456113][ T7704] netlink_sendmsg+0x723/0xbe0 [19194.456113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19194.456113][ T7704] ___sys_sendmsg+0xee/0x170 [19194.456113][ T7704] __sys_sendmsg+0xcd/0x170 [19194.456113][ T7704] do_syscall_64+0xc6/0x1e0 [19194.456113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19194.456113][ T7704] [19204.694981][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19204.695405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19204.695405][ T7704] netdev_get_by_index+0x5e/0x80 [19204.695405][ T7704] fib6_nh_init+0x3d8/0x15b0 [19204.695405][ T7704] ip6_route_info_create+0xf18/0x17d0 [19204.695405][ T7704] ip6_route_add+0x1c/0x140 [19204.695405][ T7704] addrconf_prefix_route+0x2a6/0x430 [19204.695405][ T7704] inet6_addr_add+0x4f8/0xa40 [19204.695405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19204.695405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19204.695405][ T7704] netlink_rcv_skb+0x130/0x360 [19204.695405][ T7704] netlink_unicast+0x449/0x710 [19204.695405][ T7704] netlink_sendmsg+0x723/0xbe0 [19204.695405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19204.695405][ T7704] ___sys_sendmsg+0xee/0x170 [19204.695405][ T7704] __sys_sendmsg+0xcd/0x170 [19204.695405][ T7704] do_syscall_64+0xc6/0x1e0 [19204.695405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19204.695405][ T7704] [19204.697642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19204.697642][ T7704] netdev_get_by_index+0x5e/0x80 [19204.697642][ T7704] fib6_nh_init+0x3d8/0x15b0 [19204.697642][ T7704] ip6_route_info_create+0xf18/0x17d0 [19204.697642][ T7704] addrconf_f6i_alloc+0x315/0x560 [19204.697642][ T7704] ipv6_add_addr+0x411/0x2000 [19204.697642][ T7704] inet6_addr_add+0x30e/0xa40 [19204.697642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19204.697642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19204.697642][ T7704] netlink_rcv_skb+0x130/0x360 [19204.697642][ T7704] netlink_unicast+0x449/0x710 [19204.697642][ T7704] netlink_sendmsg+0x723/0xbe0 [19204.697642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19204.697642][ T7704] ___sys_sendmsg+0xee/0x170 [19204.697642][ T7704] __sys_sendmsg+0xcd/0x170 [19204.697642][ T7704] do_syscall_64+0xc6/0x1e0 [19204.697642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19204.697642][ T7704] [19204.700776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19204.700776][ T7704] netdev_get_by_index+0x5e/0x80 [19204.700776][ T7704] fib6_nh_init+0x3d8/0x15b0 [19204.700776][ T7704] ip6_route_info_create+0xf18/0x17d0 [19204.700776][ T7704] ip6_route_add+0x1c/0x140 [19204.700776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19204.700776][ T7704] addrconf_add_dev+0xe2/0x170 [19204.700776][ T7704] inet6_addr_add+0x12f/0xa40 [19204.700776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19204.700776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19204.700776][ T7704] netlink_rcv_skb+0x130/0x360 [19204.700776][ T7704] netlink_unicast+0x449/0x710 [19204.700776][ T7704] netlink_sendmsg+0x723/0xbe0 [19204.700776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19204.700776][ T7704] ___sys_sendmsg+0xee/0x170 [19204.700776][ T7704] __sys_sendmsg+0xcd/0x170 [19204.700776][ T7704] do_syscall_64+0xc6/0x1e0 [19204.700776][ T7704] [19204.702972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19204.702972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19204.702972][ T7704] ipv6_find_idev+0x102/0x170 [19204.702972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19204.702972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19204.702972][ T7704] netlink_rcv_skb+0x130/0x360 [19204.702972][ T7704] netlink_unicast+0x449/0x710 [19204.702972][ T7704] netlink_sendmsg+0x723/0xbe0 [19204.702972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19204.702972][ T7704] ___sys_sendmsg+0xee/0x170 [19204.702972][ T7704] __sys_sendmsg+0xcd/0x170 [19204.702972][ T7704] do_syscall_64+0xc6/0x1e0 [19204.702972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19204.702972][ T7704] [19204.704678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19204.704678][ T7704] neigh_parms_alloc+0x1e5/0x510 [19204.704678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19204.704678][ T7704] ipv6_find_idev+0x102/0x170 [19204.704678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19204.704678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19204.704678][ T7704] netlink_rcv_skb+0x130/0x360 [19204.704678][ T7704] netlink_unicast+0x449/0x710 [19204.704678][ T7704] netlink_sendmsg+0x723/0xbe0 [19204.704678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19204.704678][ T7704] ___sys_sendmsg+0xee/0x170 [19204.704678][ T7704] __sys_sendmsg+0xcd/0x170 [19204.704678][ T7704] do_syscall_64+0xc6/0x1e0 [19204.704678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19204.704678][ T7704] [19214.942906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19214.943329][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19214.943329][ T7704] netdev_get_by_index+0x5e/0x80 [19214.943329][ T7704] fib6_nh_init+0x3d8/0x15b0 [19214.943329][ T7704] ip6_route_info_create+0xf18/0x17d0 [19214.943329][ T7704] ip6_route_add+0x1c/0x140 [19214.943329][ T7704] addrconf_prefix_route+0x2a6/0x430 [19214.943329][ T7704] inet6_addr_add+0x4f8/0xa40 [19214.943329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19214.943329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19214.943329][ T7704] netlink_rcv_skb+0x130/0x360 [19214.943329][ T7704] netlink_unicast+0x449/0x710 [19214.943329][ T7704] netlink_sendmsg+0x723/0xbe0 [19214.943329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19214.943329][ T7704] ___sys_sendmsg+0xee/0x170 [19214.943329][ T7704] __sys_sendmsg+0xcd/0x170 [19214.943329][ T7704] do_syscall_64+0xc6/0x1e0 [19214.943329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19214.943329][ T7704] [19214.945572][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19214.945572][ T7704] netdev_get_by_index+0x5e/0x80 [19214.945572][ T7704] fib6_nh_init+0x3d8/0x15b0 [19214.945572][ T7704] ip6_route_info_create+0xf18/0x17d0 [19214.945572][ T7704] addrconf_f6i_alloc+0x315/0x560 [19214.945572][ T7704] ipv6_add_addr+0x411/0x2000 [19214.945572][ T7704] inet6_addr_add+0x30e/0xa40 [19214.945572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19214.945572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19214.945572][ T7704] netlink_rcv_skb+0x130/0x360 [19214.945572][ T7704] netlink_unicast+0x449/0x710 [19214.945572][ T7704] netlink_sendmsg+0x723/0xbe0 [19214.945572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19214.945572][ T7704] ___sys_sendmsg+0xee/0x170 [19214.945572][ T7704] __sys_sendmsg+0xcd/0x170 [19214.945572][ T7704] do_syscall_64+0xc6/0x1e0 [19214.945572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19214.945572][ T7704] [19214.947788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19214.947788][ T7704] netdev_get_by_index+0x5e/0x80 [19214.947788][ T7704] fib6_nh_init+0x3d8/0x15b0 [19214.947788][ T7704] ip6_route_info_create+0xf18/0x17d0 [19214.947788][ T7704] ip6_route_add+0x1c/0x140 [19214.947788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19214.947788][ T7704] addrconf_add_dev+0xe2/0x170 [19214.947788][ T7704] inet6_addr_add+0x12f/0xa40 [19214.947788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19214.947788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19214.947788][ T7704] netlink_rcv_skb+0x130/0x360 [19214.947788][ T7704] netlink_unicast+0x449/0x710 [19214.947788][ T7704] netlink_sendmsg+0x723/0xbe0 [19214.947788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19214.947788][ T7704] ___sys_sendmsg+0xee/0x170 [19214.947788][ T7704] __sys_sendmsg+0xcd/0x170 [19214.947788][ T7704] do_syscall_64+0xc6/0x1e0 [19214.947788][ T7704] [19214.949970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19214.949970][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19214.949970][ T7704] ipv6_find_idev+0x102/0x170 [19214.949970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19214.949970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19214.949970][ T7704] netlink_rcv_skb+0x130/0x360 [19214.949970][ T7704] netlink_unicast+0x449/0x710 [19214.949970][ T7704] netlink_sendmsg+0x723/0xbe0 [19214.949970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19214.949970][ T7704] ___sys_sendmsg+0xee/0x170 [19214.949970][ T7704] __sys_sendmsg+0xcd/0x170 [19214.949970][ T7704] do_syscall_64+0xc6/0x1e0 [19214.949970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19214.949970][ T7704] [19214.951687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19214.951687][ T7704] neigh_parms_alloc+0x1e5/0x510 [19214.951687][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19214.951687][ T7704] ipv6_find_idev+0x102/0x170 [19214.951687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19214.951687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19214.951687][ T7704] netlink_rcv_skb+0x130/0x360 [19214.951687][ T7704] netlink_unicast+0x449/0x710 [19214.951687][ T7704] netlink_sendmsg+0x723/0xbe0 [19214.951687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19214.951687][ T7704] ___sys_sendmsg+0xee/0x170 [19214.951687][ T7704] __sys_sendmsg+0xcd/0x170 [19214.951687][ T7704] do_syscall_64+0xc6/0x1e0 [19214.951687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19214.951687][ T7704] [19224.958952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19224.959468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19224.959468][ T7704] netdev_get_by_index+0x5e/0x80 [19224.959468][ T7704] fib6_nh_init+0x3d8/0x15b0 [19224.959468][ T7704] ip6_route_info_create+0xf18/0x17d0 [19224.959468][ T7704] ip6_route_add+0x1c/0x140 [19224.959468][ T7704] addrconf_prefix_route+0x2a6/0x430 [19224.959468][ T7704] inet6_addr_add+0x4f8/0xa40 [19224.959468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19224.959468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19224.959468][ T7704] netlink_rcv_skb+0x130/0x360 [19224.959468][ T7704] netlink_unicast+0x449/0x710 [19224.959468][ T7704] netlink_sendmsg+0x723/0xbe0 [19224.959468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19224.959468][ T7704] ___sys_sendmsg+0xee/0x170 [19224.959468][ T7704] __sys_sendmsg+0xcd/0x170 [19224.959468][ T7704] do_syscall_64+0xc6/0x1e0 [19224.959468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19224.959468][ T7704] [19224.961784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19224.961784][ T7704] netdev_get_by_index+0x5e/0x80 [19224.961784][ T7704] fib6_nh_init+0x3d8/0x15b0 [19224.961784][ T7704] ip6_route_info_create+0xf18/0x17d0 [19224.961784][ T7704] addrconf_f6i_alloc+0x315/0x560 [19224.961784][ T7704] ipv6_add_addr+0x411/0x2000 [19224.961784][ T7704] inet6_addr_add+0x30e/0xa40 [19224.961784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19224.961784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19224.961784][ T7704] netlink_rcv_skb+0x130/0x360 [19224.961784][ T7704] netlink_unicast+0x449/0x710 [19224.961784][ T7704] netlink_sendmsg+0x723/0xbe0 [19224.961784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19224.961784][ T7704] ___sys_sendmsg+0xee/0x170 [19224.961784][ T7704] __sys_sendmsg+0xcd/0x170 [19224.961784][ T7704] do_syscall_64+0xc6/0x1e0 [19224.961784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19224.961784][ T7704] [19224.964079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19224.964079][ T7704] netdev_get_by_index+0x5e/0x80 [19224.964079][ T7704] fib6_nh_init+0x3d8/0x15b0 [19224.964079][ T7704] ip6_route_info_create+0xf18/0x17d0 [19224.964079][ T7704] ip6_route_add+0x1c/0x140 [19224.964079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19224.964079][ T7704] addrconf_add_dev+0xe2/0x170 [19224.964079][ T7704] inet6_addr_add+0x12f/0xa40 [19224.964079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19224.964079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19224.964079][ T7704] netlink_rcv_skb+0x130/0x360 [19224.964079][ T7704] netlink_unicast+0x449/0x710 [19224.964079][ T7704] netlink_sendmsg+0x723/0xbe0 [19224.964079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19224.964079][ T7704] ___sys_sendmsg+0xee/0x170 [19224.964079][ T7704] __sys_sendmsg+0xcd/0x170 [19224.964079][ T7704] do_syscall_64+0xc6/0x1e0 [19224.964079][ T7704] [19224.966316][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19224.966316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19224.966316][ T7704] ipv6_find_idev+0x102/0x170 [19224.966316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19224.966316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19224.966316][ T7704] netlink_rcv_skb+0x130/0x360 [19224.966316][ T7704] netlink_unicast+0x449/0x710 [19224.966316][ T7704] netlink_sendmsg+0x723/0xbe0 [19224.966316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19224.966316][ T7704] ___sys_sendmsg+0xee/0x170 [19224.966316][ T7704] __sys_sendmsg+0xcd/0x170 [19224.966316][ T7704] do_syscall_64+0xc6/0x1e0 [19224.966316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19224.966316][ T7704] [19224.968066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19224.968066][ T7704] neigh_parms_alloc+0x1e5/0x510 [19224.968066][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19224.968066][ T7704] ipv6_find_idev+0x102/0x170 [19224.968066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19224.968066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19224.968066][ T7704] netlink_rcv_skb+0x130/0x360 [19224.968066][ T7704] netlink_unicast+0x449/0x710 [19224.968066][ T7704] netlink_sendmsg+0x723/0xbe0 [19224.968066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19224.968066][ T7704] ___sys_sendmsg+0xee/0x170 [19224.968066][ T7704] __sys_sendmsg+0xcd/0x170 [19224.968066][ T7704] do_syscall_64+0xc6/0x1e0 [19224.968066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19224.968066][ T7704] [19235.030908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19235.031419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19235.031419][ T7704] netdev_get_by_index+0x5e/0x80 [19235.031419][ T7704] fib6_nh_init+0x3d8/0x15b0 [19235.031419][ T7704] ip6_route_info_create+0xf18/0x17d0 [19235.031419][ T7704] ip6_route_add+0x1c/0x140 [19235.031419][ T7704] addrconf_prefix_route+0x2a6/0x430 [19235.031419][ T7704] inet6_addr_add+0x4f8/0xa40 [19235.031419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19235.031419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19235.031419][ T7704] netlink_rcv_skb+0x130/0x360 [19235.031419][ T7704] netlink_unicast+0x449/0x710 [19235.031419][ T7704] netlink_sendmsg+0x723/0xbe0 [19235.031419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19235.031419][ T7704] ___sys_sendmsg+0xee/0x170 [19235.031419][ T7704] __sys_sendmsg+0xcd/0x170 [19235.031419][ T7704] do_syscall_64+0xc6/0x1e0 [19235.031419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19235.031419][ T7704] [19235.033703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19235.033703][ T7704] netdev_get_by_index+0x5e/0x80 [19235.033703][ T7704] fib6_nh_init+0x3d8/0x15b0 [19235.033703][ T7704] ip6_route_info_create+0xf18/0x17d0 [19235.033703][ T7704] addrconf_f6i_alloc+0x315/0x560 [19235.033703][ T7704] ipv6_add_addr+0x411/0x2000 [19235.033703][ T7704] inet6_addr_add+0x30e/0xa40 [19235.033703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19235.033703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19235.033703][ T7704] netlink_rcv_skb+0x130/0x360 [19235.033703][ T7704] netlink_unicast+0x449/0x710 [19235.033703][ T7704] netlink_sendmsg+0x723/0xbe0 [19235.033703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19235.033703][ T7704] ___sys_sendmsg+0xee/0x170 [19235.033703][ T7704] __sys_sendmsg+0xcd/0x170 [19235.033703][ T7704] do_syscall_64+0xc6/0x1e0 [19235.033703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19235.033703][ T7704] [19235.036008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19235.036008][ T7704] netdev_get_by_index+0x5e/0x80 [19235.036008][ T7704] fib6_nh_init+0x3d8/0x15b0 [19235.036008][ T7704] ip6_route_info_create+0xf18/0x17d0 [19235.036008][ T7704] ip6_route_add+0x1c/0x140 [19235.036008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19235.036008][ T7704] addrconf_add_dev+0xe2/0x170 [19235.036008][ T7704] inet6_addr_add+0x12f/0xa40 [19235.036008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19235.036008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19235.036008][ T7704] netlink_rcv_skb+0x130/0x360 [19235.036008][ T7704] netlink_unicast+0x449/0x710 [19235.036008][ T7704] netlink_sendmsg+0x723/0xbe0 [19235.036008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19235.036008][ T7704] ___sys_sendmsg+0xee/0x170 [19235.036008][ T7704] __sys_sendmsg+0xcd/0x170 [19235.036008][ T7704] do_syscall_64+0xc6/0x1e0 [19235.036008][ T7704] [19235.038241][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19235.038241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19235.038241][ T7704] ipv6_find_idev+0x102/0x170 [19235.038241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19235.038241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19235.038241][ T7704] netlink_rcv_skb+0x130/0x360 [19235.038241][ T7704] netlink_unicast+0x449/0x710 [19235.038241][ T7704] netlink_sendmsg+0x723/0xbe0 [19235.038241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19235.038241][ T7704] ___sys_sendmsg+0xee/0x170 [19235.038241][ T7704] __sys_sendmsg+0xcd/0x170 [19235.038241][ T7704] do_syscall_64+0xc6/0x1e0 [19235.038241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19235.038241][ T7704] [19235.039986][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19235.039986][ T7704] neigh_parms_alloc+0x1e5/0x510 [19235.039986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19235.039986][ T7704] ipv6_find_idev+0x102/0x170 [19235.039986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19235.039986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19235.039986][ T7704] netlink_rcv_skb+0x130/0x360 [19235.039986][ T7704] netlink_unicast+0x449/0x710 [19235.039986][ T7704] netlink_sendmsg+0x723/0xbe0 [19235.039986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19235.039986][ T7704] ___sys_sendmsg+0xee/0x170 [19235.039986][ T7704] __sys_sendmsg+0xcd/0x170 [19235.039986][ T7704] do_syscall_64+0xc6/0x1e0 [19235.039986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19235.039986][ T7704] [19245.214918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19245.215441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19245.215441][ T7704] netdev_get_by_index+0x5e/0x80 [19245.215441][ T7704] fib6_nh_init+0x3d8/0x15b0 [19245.215441][ T7704] ip6_route_info_create+0xf18/0x17d0 [19245.215441][ T7704] ip6_route_add+0x1c/0x140 [19245.215441][ T7704] addrconf_prefix_route+0x2a6/0x430 [19245.215441][ T7704] inet6_addr_add+0x4f8/0xa40 [19245.215441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19245.215441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19245.215441][ T7704] netlink_rcv_skb+0x130/0x360 [19245.215441][ T7704] netlink_unicast+0x449/0x710 [19245.215441][ T7704] netlink_sendmsg+0x723/0xbe0 [19245.215441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19245.215441][ T7704] ___sys_sendmsg+0xee/0x170 [19245.215441][ T7704] __sys_sendmsg+0xcd/0x170 [19245.215441][ T7704] do_syscall_64+0xc6/0x1e0 [19245.215441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19245.215441][ T7704] [19245.217737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19245.217737][ T7704] netdev_get_by_index+0x5e/0x80 [19245.217737][ T7704] fib6_nh_init+0x3d8/0x15b0 [19245.217737][ T7704] ip6_route_info_create+0xf18/0x17d0 [19245.217737][ T7704] addrconf_f6i_alloc+0x315/0x560 [19245.217737][ T7704] ipv6_add_addr+0x411/0x2000 [19245.217737][ T7704] inet6_addr_add+0x30e/0xa40 [19245.217737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19245.217737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19245.217737][ T7704] netlink_rcv_skb+0x130/0x360 [19245.217737][ T7704] netlink_unicast+0x449/0x710 [19245.217737][ T7704] netlink_sendmsg+0x723/0xbe0 [19245.217737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19245.217737][ T7704] ___sys_sendmsg+0xee/0x170 [19245.217737][ T7704] __sys_sendmsg+0xcd/0x170 [19245.217737][ T7704] do_syscall_64+0xc6/0x1e0 [19245.217737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19245.217737][ T7704] [19245.220020][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19245.220020][ T7704] netdev_get_by_index+0x5e/0x80 [19245.220020][ T7704] fib6_nh_init+0x3d8/0x15b0 [19245.220020][ T7704] ip6_route_info_create+0xf18/0x17d0 [19245.220020][ T7704] ip6_route_add+0x1c/0x140 [19245.220020][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19245.220020][ T7704] addrconf_add_dev+0xe2/0x170 [19245.220020][ T7704] inet6_addr_add+0x12f/0xa40 [19245.220020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19245.220020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19245.220020][ T7704] netlink_rcv_skb+0x130/0x360 [19245.220020][ T7704] netlink_unicast+0x449/0x710 [19245.220020][ T7704] netlink_sendmsg+0x723/0xbe0 [19245.220020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19245.220020][ T7704] ___sys_sendmsg+0xee/0x170 [19245.220020][ T7704] __sys_sendmsg+0xcd/0x170 [19245.220020][ T7704] do_syscall_64+0xc6/0x1e0 [19245.220020][ T7704] [19245.222270][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19245.222270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19245.222270][ T7704] ipv6_find_idev+0x102/0x170 [19245.222270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19245.222270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19245.222270][ T7704] netlink_rcv_skb+0x130/0x360 [19245.222270][ T7704] netlink_unicast+0x449/0x710 [19245.222270][ T7704] netlink_sendmsg+0x723/0xbe0 [19245.222270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19245.222270][ T7704] ___sys_sendmsg+0xee/0x170 [19245.222270][ T7704] __sys_sendmsg+0xcd/0x170 [19245.222270][ T7704] do_syscall_64+0xc6/0x1e0 [19245.222270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19245.222270][ T7704] [19245.224022][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19245.224022][ T7704] neigh_parms_alloc+0x1e5/0x510 [19245.224022][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19245.224022][ T7704] ipv6_find_idev+0x102/0x170 [19245.224022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19245.224022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19245.224022][ T7704] netlink_rcv_skb+0x130/0x360 [19245.224022][ T7704] netlink_unicast+0x449/0x710 [19245.224022][ T7704] netlink_sendmsg+0x723/0xbe0 [19245.224022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19245.224022][ T7704] ___sys_sendmsg+0xee/0x170 [19245.224022][ T7704] __sys_sendmsg+0xcd/0x170 [19245.224022][ T7704] do_syscall_64+0xc6/0x1e0 [19245.224022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19245.224022][ T7704] [19255.422966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19255.423468][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19255.423468][ T7704] netdev_get_by_index+0x5e/0x80 [19255.423468][ T7704] fib6_nh_init+0x3d8/0x15b0 [19255.423468][ T7704] ip6_route_info_create+0xf18/0x17d0 [19255.423468][ T7704] ip6_route_add+0x1c/0x140 [19255.423468][ T7704] addrconf_prefix_route+0x2a6/0x430 [19255.423468][ T7704] inet6_addr_add+0x4f8/0xa40 [19255.423468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19255.423468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19255.423468][ T7704] netlink_rcv_skb+0x130/0x360 [19255.423468][ T7704] netlink_unicast+0x449/0x710 [19255.423468][ T7704] netlink_sendmsg+0x723/0xbe0 [19255.423468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19255.423468][ T7704] ___sys_sendmsg+0xee/0x170 [19255.423468][ T7704] __sys_sendmsg+0xcd/0x170 [19255.423468][ T7704] do_syscall_64+0xc6/0x1e0 [19255.423468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19255.423468][ T7704] [19255.425743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19255.425743][ T7704] netdev_get_by_index+0x5e/0x80 [19255.425743][ T7704] fib6_nh_init+0x3d8/0x15b0 [19255.425743][ T7704] ip6_route_info_create+0xf18/0x17d0 [19255.425743][ T7704] addrconf_f6i_alloc+0x315/0x560 [19255.425743][ T7704] ipv6_add_addr+0x411/0x2000 [19255.425743][ T7704] inet6_addr_add+0x30e/0xa40 [19255.425743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19255.425743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19255.425743][ T7704] netlink_rcv_skb+0x130/0x360 [19255.425743][ T7704] netlink_unicast+0x449/0x710 [19255.425743][ T7704] netlink_sendmsg+0x723/0xbe0 [19255.425743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19255.425743][ T7704] ___sys_sendmsg+0xee/0x170 [19255.425743][ T7704] __sys_sendmsg+0xcd/0x170 [19255.425743][ T7704] do_syscall_64+0xc6/0x1e0 [19255.425743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19255.425743][ T7704] [19255.427992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19255.427992][ T7704] netdev_get_by_index+0x5e/0x80 [19255.427992][ T7704] fib6_nh_init+0x3d8/0x15b0 [19255.427992][ T7704] ip6_route_info_create+0xf18/0x17d0 [19255.427992][ T7704] ip6_route_add+0x1c/0x140 [19255.427992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19255.427992][ T7704] addrconf_add_dev+0xe2/0x170 [19255.427992][ T7704] inet6_addr_add+0x12f/0xa40 [19255.427992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19255.427992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19255.427992][ T7704] netlink_rcv_skb+0x130/0x360 [19255.427992][ T7704] netlink_unicast+0x449/0x710 [19255.427992][ T7704] netlink_sendmsg+0x723/0xbe0 [19255.427992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19255.427992][ T7704] ___sys_sendmsg+0xee/0x170 [19255.427992][ T7704] __sys_sendmsg+0xcd/0x170 [19255.427992][ T7704] do_syscall_64+0xc6/0x1e0 [19255.427992][ T7704] [19255.430222][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19255.430222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19255.430222][ T7704] ipv6_find_idev+0x102/0x170 [19255.430222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19255.430222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19255.430222][ T7704] netlink_rcv_skb+0x130/0x360 [19255.430222][ T7704] netlink_unicast+0x449/0x710 [19255.430222][ T7704] netlink_sendmsg+0x723/0xbe0 [19255.430222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19255.430222][ T7704] ___sys_sendmsg+0xee/0x170 [19255.430222][ T7704] __sys_sendmsg+0xcd/0x170 [19255.430222][ T7704] do_syscall_64+0xc6/0x1e0 [19255.430222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19255.430222][ T7704] [19255.431998][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19255.431998][ T7704] neigh_parms_alloc+0x1e5/0x510 [19255.431998][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19255.431998][ T7704] ipv6_find_idev+0x102/0x170 [19255.431998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19255.431998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19255.431998][ T7704] netlink_rcv_skb+0x130/0x360 [19255.431998][ T7704] netlink_unicast+0x449/0x710 [19255.431998][ T7704] netlink_sendmsg+0x723/0xbe0 [19255.431998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19255.431998][ T7704] ___sys_sendmsg+0xee/0x170 [19255.431998][ T7704] __sys_sendmsg+0xcd/0x170 [19255.431998][ T7704] do_syscall_64+0xc6/0x1e0 [19255.431998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19255.431998][ T7704] [19265.670917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19265.671364][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19265.671364][ T7704] netdev_get_by_index+0x5e/0x80 [19265.671364][ T7704] fib6_nh_init+0x3d8/0x15b0 [19265.671364][ T7704] ip6_route_info_create+0xf18/0x17d0 [19265.671364][ T7704] ip6_route_add+0x1c/0x140 [19265.671364][ T7704] addrconf_prefix_route+0x2a6/0x430 [19265.671364][ T7704] inet6_addr_add+0x4f8/0xa40 [19265.671364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19265.671364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19265.671364][ T7704] netlink_rcv_skb+0x130/0x360 [19265.671364][ T7704] netlink_unicast+0x449/0x710 [19265.671364][ T7704] netlink_sendmsg+0x723/0xbe0 [19265.671364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19265.671364][ T7704] ___sys_sendmsg+0xee/0x170 [19265.671364][ T7704] __sys_sendmsg+0xcd/0x170 [19265.671364][ T7704] do_syscall_64+0xc6/0x1e0 [19265.671364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19265.671364][ T7704] [19265.673726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19265.673726][ T7704] netdev_get_by_index+0x5e/0x80 [19265.673726][ T7704] fib6_nh_init+0x3d8/0x15b0 [19265.673726][ T7704] ip6_route_info_create+0xf18/0x17d0 [19265.673726][ T7704] addrconf_f6i_alloc+0x315/0x560 [19265.673726][ T7704] ipv6_add_addr+0x411/0x2000 [19265.673726][ T7704] inet6_addr_add+0x30e/0xa40 [19265.673726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19265.673726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19265.673726][ T7704] netlink_rcv_skb+0x130/0x360 [19265.673726][ T7704] netlink_unicast+0x449/0x710 [19265.673726][ T7704] netlink_sendmsg+0x723/0xbe0 [19265.673726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19265.673726][ T7704] ___sys_sendmsg+0xee/0x170 [19265.673726][ T7704] __sys_sendmsg+0xcd/0x170 [19265.673726][ T7704] do_syscall_64+0xc6/0x1e0 [19265.673726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19265.673726][ T7704] [19265.676074][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19265.676074][ T7704] netdev_get_by_index+0x5e/0x80 [19265.676074][ T7704] fib6_nh_init+0x3d8/0x15b0 [19265.676074][ T7704] ip6_route_info_create+0xf18/0x17d0 [19265.676074][ T7704] ip6_route_add+0x1c/0x140 [19265.676074][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19265.676074][ T7704] addrconf_add_dev+0xe2/0x170 [19265.676074][ T7704] inet6_addr_add+0x12f/0xa40 [19265.676074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19265.676074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19265.676074][ T7704] netlink_rcv_skb+0x130/0x360 [19265.676074][ T7704] netlink_unicast+0x449/0x710 [19265.676074][ T7704] netlink_sendmsg+0x723/0xbe0 [19265.676074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19265.676074][ T7704] ___sys_sendmsg+0xee/0x170 [19265.676074][ T7704] __sys_sendmsg+0xcd/0x170 [19265.676074][ T7704] do_syscall_64+0xc6/0x1e0 [19265.676074][ T7704] [19265.678307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19265.678307][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19265.678307][ T7704] ipv6_find_idev+0x102/0x170 [19265.678307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19265.678307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19265.678307][ T7704] netlink_rcv_skb+0x130/0x360 [19265.678307][ T7704] netlink_unicast+0x449/0x710 [19265.678307][ T7704] netlink_sendmsg+0x723/0xbe0 [19265.678307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19265.678307][ T7704] ___sys_sendmsg+0xee/0x170 [19265.678307][ T7704] __sys_sendmsg+0xcd/0x170 [19265.678307][ T7704] do_syscall_64+0xc6/0x1e0 [19265.678307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19265.678307][ T7704] [19265.680181][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19265.680181][ T7704] neigh_parms_alloc+0x1e5/0x510 [19265.680181][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19265.680181][ T7704] ipv6_find_idev+0x102/0x170 [19265.680181][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19265.680181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19265.680181][ T7704] netlink_rcv_skb+0x130/0x360 [19265.680181][ T7704] netlink_unicast+0x449/0x710 [19265.680181][ T7704] netlink_sendmsg+0x723/0xbe0 [19265.680181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19265.680181][ T7704] ___sys_sendmsg+0xee/0x170 [19265.680181][ T7704] __sys_sendmsg+0xcd/0x170 [19265.680181][ T7704] do_syscall_64+0xc6/0x1e0 [19265.680181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19265.680181][ T7704] [19275.918953][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19275.919470][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19275.919470][ T7704] netdev_get_by_index+0x5e/0x80 [19275.919470][ T7704] fib6_nh_init+0x3d8/0x15b0 [19275.919470][ T7704] ip6_route_info_create+0xf18/0x17d0 [19275.919470][ T7704] ip6_route_add+0x1c/0x140 [19275.919470][ T7704] addrconf_prefix_route+0x2a6/0x430 [19275.919470][ T7704] inet6_addr_add+0x4f8/0xa40 [19275.919470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19275.919470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19275.919470][ T7704] netlink_rcv_skb+0x130/0x360 [19275.919470][ T7704] netlink_unicast+0x449/0x710 [19275.919470][ T7704] netlink_sendmsg+0x723/0xbe0 [19275.919470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19275.919470][ T7704] ___sys_sendmsg+0xee/0x170 [19275.919470][ T7704] __sys_sendmsg+0xcd/0x170 [19275.919470][ T7704] do_syscall_64+0xc6/0x1e0 [19275.919470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19275.919470][ T7704] [19275.921828][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19275.921828][ T7704] netdev_get_by_index+0x5e/0x80 [19275.921828][ T7704] fib6_nh_init+0x3d8/0x15b0 [19275.921828][ T7704] ip6_route_info_create+0xf18/0x17d0 [19275.921828][ T7704] addrconf_f6i_alloc+0x315/0x560 [19275.921828][ T7704] ipv6_add_addr+0x411/0x2000 [19275.921828][ T7704] inet6_addr_add+0x30e/0xa40 [19275.921828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19275.921828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19275.921828][ T7704] netlink_rcv_skb+0x130/0x360 [19275.921828][ T7704] netlink_unicast+0x449/0x710 [19275.921828][ T7704] netlink_sendmsg+0x723/0xbe0 [19275.921828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19275.921828][ T7704] ___sys_sendmsg+0xee/0x170 [19275.921828][ T7704] __sys_sendmsg+0xcd/0x170 [19275.921828][ T7704] do_syscall_64+0xc6/0x1e0 [19275.921828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19275.921828][ T7704] [19275.924169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19275.924169][ T7704] netdev_get_by_index+0x5e/0x80 [19275.924169][ T7704] fib6_nh_init+0x3d8/0x15b0 [19275.924169][ T7704] ip6_route_info_create+0xf18/0x17d0 [19275.924169][ T7704] ip6_route_add+0x1c/0x140 [19275.924169][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19275.924169][ T7704] addrconf_add_dev+0xe2/0x170 [19275.924169][ T7704] inet6_addr_add+0x12f/0xa40 [19275.924169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19275.924169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19275.924169][ T7704] netlink_rcv_skb+0x130/0x360 [19275.924169][ T7704] netlink_unicast+0x449/0x710 [19275.924169][ T7704] netlink_sendmsg+0x723/0xbe0 [19275.924169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19275.924169][ T7704] ___sys_sendmsg+0xee/0x170 [19275.924169][ T7704] __sys_sendmsg+0xcd/0x170 [19275.924169][ T7704] do_syscall_64+0xc6/0x1e0 [19275.924169][ T7704] [19275.926478][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19275.926478][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19275.926478][ T7704] ipv6_find_idev+0x102/0x170 [19275.926478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19275.926478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19275.926478][ T7704] netlink_rcv_skb+0x130/0x360 [19275.926478][ T7704] netlink_unicast+0x449/0x710 [19275.926478][ T7704] netlink_sendmsg+0x723/0xbe0 [19275.926478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19275.926478][ T7704] ___sys_sendmsg+0xee/0x170 [19275.926478][ T7704] __sys_sendmsg+0xcd/0x170 [19275.926478][ T7704] do_syscall_64+0xc6/0x1e0 [19275.926478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19275.926478][ T7704] [19275.928347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19275.928347][ T7704] neigh_parms_alloc+0x1e5/0x510 [19275.928347][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19275.928347][ T7704] ipv6_find_idev+0x102/0x170 [19275.928347][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19275.928347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19275.928347][ T7704] netlink_rcv_skb+0x130/0x360 [19275.928347][ T7704] netlink_unicast+0x449/0x710 [19275.928347][ T7704] netlink_sendmsg+0x723/0xbe0 [19275.928347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19275.928347][ T7704] ___sys_sendmsg+0xee/0x170 [19275.928347][ T7704] __sys_sendmsg+0xcd/0x170 [19275.928347][ T7704] do_syscall_64+0xc6/0x1e0 [19275.928347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19275.928347][ T7704] [19286.166880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19286.167380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19286.167380][ T7704] netdev_get_by_index+0x5e/0x80 [19286.167380][ T7704] fib6_nh_init+0x3d8/0x15b0 [19286.167380][ T7704] ip6_route_info_create+0xf18/0x17d0 [19286.167380][ T7704] ip6_route_add+0x1c/0x140 [19286.167380][ T7704] addrconf_prefix_route+0x2a6/0x430 [19286.167380][ T7704] inet6_addr_add+0x4f8/0xa40 [19286.167380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19286.167380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19286.167380][ T7704] netlink_rcv_skb+0x130/0x360 [19286.167380][ T7704] netlink_unicast+0x449/0x710 [19286.167380][ T7704] netlink_sendmsg+0x723/0xbe0 [19286.167380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19286.167380][ T7704] ___sys_sendmsg+0xee/0x170 [19286.167380][ T7704] __sys_sendmsg+0xcd/0x170 [19286.167380][ T7704] do_syscall_64+0xc6/0x1e0 [19286.167380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19286.167380][ T7704] [19286.169678][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19286.169678][ T7704] netdev_get_by_index+0x5e/0x80 [19286.169678][ T7704] fib6_nh_init+0x3d8/0x15b0 [19286.169678][ T7704] ip6_route_info_create+0xf18/0x17d0 [19286.169678][ T7704] addrconf_f6i_alloc+0x315/0x560 [19286.169678][ T7704] ipv6_add_addr+0x411/0x2000 [19286.169678][ T7704] inet6_addr_add+0x30e/0xa40 [19286.169678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19286.169678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19286.169678][ T7704] netlink_rcv_skb+0x130/0x360 [19286.169678][ T7704] netlink_unicast+0x449/0x710 [19286.169678][ T7704] netlink_sendmsg+0x723/0xbe0 [19286.169678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19286.169678][ T7704] ___sys_sendmsg+0xee/0x170 [19286.169678][ T7704] __sys_sendmsg+0xcd/0x170 [19286.169678][ T7704] do_syscall_64+0xc6/0x1e0 [19286.169678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19286.169678][ T7704] [19286.171948][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19286.171948][ T7704] netdev_get_by_index+0x5e/0x80 [19286.171948][ T7704] fib6_nh_init+0x3d8/0x15b0 [19286.171948][ T7704] ip6_route_info_create+0xf18/0x17d0 [19286.171948][ T7704] ip6_route_add+0x1c/0x140 [19286.171948][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19286.171948][ T7704] addrconf_add_dev+0xe2/0x170 [19286.171948][ T7704] inet6_addr_add+0x12f/0xa40 [19286.171948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19286.171948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19286.171948][ T7704] netlink_rcv_skb+0x130/0x360 [19286.171948][ T7704] netlink_unicast+0x449/0x710 [19286.171948][ T7704] netlink_sendmsg+0x723/0xbe0 [19286.171948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19286.171948][ T7704] ___sys_sendmsg+0xee/0x170 [19286.171948][ T7704] __sys_sendmsg+0xcd/0x170 [19286.171948][ T7704] do_syscall_64+0xc6/0x1e0 [19286.171948][ T7704] [19286.174185][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19286.174185][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19286.174185][ T7704] ipv6_find_idev+0x102/0x170 [19286.174185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19286.174185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19286.174185][ T7704] netlink_rcv_skb+0x130/0x360 [19286.174185][ T7704] netlink_unicast+0x449/0x710 [19286.174185][ T7704] netlink_sendmsg+0x723/0xbe0 [19286.174185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19286.174185][ T7704] ___sys_sendmsg+0xee/0x170 [19286.174185][ T7704] __sys_sendmsg+0xcd/0x170 [19286.174185][ T7704] do_syscall_64+0xc6/0x1e0 [19286.174185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19286.174185][ T7704] [19286.175934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19286.175934][ T7704] neigh_parms_alloc+0x1e5/0x510 [19286.175934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19286.175934][ T7704] ipv6_find_idev+0x102/0x170 [19286.175934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19286.175934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19286.175934][ T7704] netlink_rcv_skb+0x130/0x360 [19286.175934][ T7704] netlink_unicast+0x449/0x710 [19286.175934][ T7704] netlink_sendmsg+0x723/0xbe0 [19286.175934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19286.175934][ T7704] ___sys_sendmsg+0xee/0x170 [19286.175934][ T7704] __sys_sendmsg+0xcd/0x170 [19286.175934][ T7704] do_syscall_64+0xc6/0x1e0 [19286.175934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19286.175934][ T7704] [19296.414908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19296.415409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19296.415409][ T7704] netdev_get_by_index+0x5e/0x80 [19296.415409][ T7704] fib6_nh_init+0x3d8/0x15b0 [19296.415409][ T7704] ip6_route_info_create+0xf18/0x17d0 [19296.415409][ T7704] ip6_route_add+0x1c/0x140 [19296.415409][ T7704] addrconf_prefix_route+0x2a6/0x430 [19296.415409][ T7704] inet6_addr_add+0x4f8/0xa40 [19296.415409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19296.415409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19296.415409][ T7704] netlink_rcv_skb+0x130/0x360 [19296.415409][ T7704] netlink_unicast+0x449/0x710 [19296.415409][ T7704] netlink_sendmsg+0x723/0xbe0 [19296.415409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19296.415409][ T7704] ___sys_sendmsg+0xee/0x170 [19296.415409][ T7704] __sys_sendmsg+0xcd/0x170 [19296.415409][ T7704] do_syscall_64+0xc6/0x1e0 [19296.415409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19296.415409][ T7704] [19296.417692][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19296.417692][ T7704] netdev_get_by_index+0x5e/0x80 [19296.417692][ T7704] fib6_nh_init+0x3d8/0x15b0 [19296.417692][ T7704] ip6_route_info_create+0xf18/0x17d0 [19296.417692][ T7704] addrconf_f6i_alloc+0x315/0x560 [19296.417692][ T7704] ipv6_add_addr+0x411/0x2000 [19296.417692][ T7704] inet6_addr_add+0x30e/0xa40 [19296.417692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19296.417692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19296.417692][ T7704] netlink_rcv_skb+0x130/0x360 [19296.417692][ T7704] netlink_unicast+0x449/0x710 [19296.417692][ T7704] netlink_sendmsg+0x723/0xbe0 [19296.417692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19296.417692][ T7704] ___sys_sendmsg+0xee/0x170 [19296.417692][ T7704] __sys_sendmsg+0xcd/0x170 [19296.417692][ T7704] do_syscall_64+0xc6/0x1e0 [19296.417692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19296.417692][ T7704] [19296.420090][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19296.420090][ T7704] netdev_get_by_index+0x5e/0x80 [19296.420090][ T7704] fib6_nh_init+0x3d8/0x15b0 [19296.420090][ T7704] ip6_route_info_create+0xf18/0x17d0 [19296.420090][ T7704] ip6_route_add+0x1c/0x140 [19296.420090][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19296.420090][ T7704] addrconf_add_dev+0xe2/0x170 [19296.420090][ T7704] inet6_addr_add+0x12f/0xa40 [19296.420090][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19296.420090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19296.420090][ T7704] netlink_rcv_skb+0x130/0x360 [19296.420090][ T7704] netlink_unicast+0x449/0x710 [19296.420090][ T7704] netlink_sendmsg+0x723/0xbe0 [19296.420090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19296.420090][ T7704] ___sys_sendmsg+0xee/0x170 [19296.420090][ T7704] __sys_sendmsg+0xcd/0x170 [19296.420090][ T7704] do_syscall_64+0xc6/0x1e0 [19296.420090][ T7704] [19296.422404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19296.422404][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19296.422404][ T7704] ipv6_find_idev+0x102/0x170 [19296.422404][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19296.422404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19296.422404][ T7704] netlink_rcv_skb+0x130/0x360 [19296.422404][ T7704] netlink_unicast+0x449/0x710 [19296.422404][ T7704] netlink_sendmsg+0x723/0xbe0 [19296.422404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19296.422404][ T7704] ___sys_sendmsg+0xee/0x170 [19296.422404][ T7704] __sys_sendmsg+0xcd/0x170 [19296.422404][ T7704] do_syscall_64+0xc6/0x1e0 [19296.422404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19296.422404][ T7704] [19296.424198][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19296.424198][ T7704] neigh_parms_alloc+0x1e5/0x510 [19296.424198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19296.424198][ T7704] ipv6_find_idev+0x102/0x170 [19296.424198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19296.424198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19296.424198][ T7704] netlink_rcv_skb+0x130/0x360 [19296.424198][ T7704] netlink_unicast+0x449/0x710 [19296.424198][ T7704] netlink_sendmsg+0x723/0xbe0 [19296.424198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19296.424198][ T7704] ___sys_sendmsg+0xee/0x170 [19296.424198][ T7704] __sys_sendmsg+0xcd/0x170 [19296.424198][ T7704] do_syscall_64+0xc6/0x1e0 [19296.424198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19296.424198][ T7704] [19306.662930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19306.663493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19306.663493][ T7704] netdev_get_by_index+0x5e/0x80 [19306.663493][ T7704] fib6_nh_init+0x3d8/0x15b0 [19306.663493][ T7704] ip6_route_info_create+0xf18/0x17d0 [19306.663493][ T7704] ip6_route_add+0x1c/0x140 [19306.663493][ T7704] addrconf_prefix_route+0x2a6/0x430 [19306.663493][ T7704] inet6_addr_add+0x4f8/0xa40 [19306.663493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19306.663493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19306.663493][ T7704] netlink_rcv_skb+0x130/0x360 [19306.663493][ T7704] netlink_unicast+0x449/0x710 [19306.663493][ T7704] netlink_sendmsg+0x723/0xbe0 [19306.663493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19306.663493][ T7704] ___sys_sendmsg+0xee/0x170 [19306.663493][ T7704] __sys_sendmsg+0xcd/0x170 [19306.663493][ T7704] do_syscall_64+0xc6/0x1e0 [19306.663493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19306.663493][ T7704] [19306.665822][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19306.665822][ T7704] netdev_get_by_index+0x5e/0x80 [19306.665822][ T7704] fib6_nh_init+0x3d8/0x15b0 [19306.665822][ T7704] ip6_route_info_create+0xf18/0x17d0 [19306.665822][ T7704] addrconf_f6i_alloc+0x315/0x560 [19306.665822][ T7704] ipv6_add_addr+0x411/0x2000 [19306.665822][ T7704] inet6_addr_add+0x30e/0xa40 [19306.665822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19306.665822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19306.665822][ T7704] netlink_rcv_skb+0x130/0x360 [19306.665822][ T7704] netlink_unicast+0x449/0x710 [19306.665822][ T7704] netlink_sendmsg+0x723/0xbe0 [19306.665822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19306.665822][ T7704] ___sys_sendmsg+0xee/0x170 [19306.665822][ T7704] __sys_sendmsg+0xcd/0x170 [19306.665822][ T7704] do_syscall_64+0xc6/0x1e0 [19306.665822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19306.665822][ T7704] [19306.668136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19306.668136][ T7704] netdev_get_by_index+0x5e/0x80 [19306.668136][ T7704] fib6_nh_init+0x3d8/0x15b0 [19306.668136][ T7704] ip6_route_info_create+0xf18/0x17d0 [19306.668136][ T7704] ip6_route_add+0x1c/0x140 [19306.668136][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19306.668136][ T7704] addrconf_add_dev+0xe2/0x170 [19306.668136][ T7704] inet6_addr_add+0x12f/0xa40 [19306.668136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19306.668136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19306.668136][ T7704] netlink_rcv_skb+0x130/0x360 [19306.668136][ T7704] netlink_unicast+0x449/0x710 [19306.668136][ T7704] netlink_sendmsg+0x723/0xbe0 [19306.668136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19306.668136][ T7704] ___sys_sendmsg+0xee/0x170 [19306.668136][ T7704] __sys_sendmsg+0xcd/0x170 [19306.668136][ T7704] do_syscall_64+0xc6/0x1e0 [19306.668136][ T7704] [19306.670422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19306.670422][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19306.670422][ T7704] ipv6_find_idev+0x102/0x170 [19306.670422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19306.670422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19306.670422][ T7704] netlink_rcv_skb+0x130/0x360 [19306.670422][ T7704] netlink_unicast+0x449/0x710 [19306.670422][ T7704] netlink_sendmsg+0x723/0xbe0 [19306.670422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19306.670422][ T7704] ___sys_sendmsg+0xee/0x170 [19306.670422][ T7704] __sys_sendmsg+0xcd/0x170 [19306.670422][ T7704] do_syscall_64+0xc6/0x1e0 [19306.670422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19306.670422][ T7704] [19306.672229][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19306.672229][ T7704] neigh_parms_alloc+0x1e5/0x510 [19306.672229][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19306.672229][ T7704] ipv6_find_idev+0x102/0x170 [19306.672229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19306.672229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19306.672229][ T7704] netlink_rcv_skb+0x130/0x360 [19306.672229][ T7704] netlink_unicast+0x449/0x710 [19306.672229][ T7704] netlink_sendmsg+0x723/0xbe0 [19306.672229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19306.672229][ T7704] ___sys_sendmsg+0xee/0x170 [19306.672229][ T7704] __sys_sendmsg+0xcd/0x170 [19306.672229][ T7704] do_syscall_64+0xc6/0x1e0 [19306.672229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19306.672229][ T7704] [19316.910941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19316.911437][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19316.911437][ T7704] netdev_get_by_index+0x5e/0x80 [19316.911437][ T7704] fib6_nh_init+0x3d8/0x15b0 [19316.911437][ T7704] ip6_route_info_create+0xf18/0x17d0 [19316.911437][ T7704] ip6_route_add+0x1c/0x140 [19316.911437][ T7704] addrconf_prefix_route+0x2a6/0x430 [19316.911437][ T7704] inet6_addr_add+0x4f8/0xa40 [19316.911437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19316.911437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19316.911437][ T7704] netlink_rcv_skb+0x130/0x360 [19316.911437][ T7704] netlink_unicast+0x449/0x710 [19316.911437][ T7704] netlink_sendmsg+0x723/0xbe0 [19316.911437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19316.911437][ T7704] ___sys_sendmsg+0xee/0x170 [19316.911437][ T7704] __sys_sendmsg+0xcd/0x170 [19316.911437][ T7704] do_syscall_64+0xc6/0x1e0 [19316.911437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19316.911437][ T7704] [19316.913737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19316.913737][ T7704] netdev_get_by_index+0x5e/0x80 [19316.913737][ T7704] fib6_nh_init+0x3d8/0x15b0 [19316.913737][ T7704] ip6_route_info_create+0xf18/0x17d0 [19316.913737][ T7704] addrconf_f6i_alloc+0x315/0x560 [19316.913737][ T7704] ipv6_add_addr+0x411/0x2000 [19316.913737][ T7704] inet6_addr_add+0x30e/0xa40 [19316.913737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19316.913737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19316.913737][ T7704] netlink_rcv_skb+0x130/0x360 [19316.913737][ T7704] netlink_unicast+0x449/0x710 [19316.913737][ T7704] netlink_sendmsg+0x723/0xbe0 [19316.913737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19316.913737][ T7704] ___sys_sendmsg+0xee/0x170 [19316.913737][ T7704] __sys_sendmsg+0xcd/0x170 [19316.913737][ T7704] do_syscall_64+0xc6/0x1e0 [19316.913737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19316.913737][ T7704] [19316.916014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19316.916014][ T7704] netdev_get_by_index+0x5e/0x80 [19316.916014][ T7704] fib6_nh_init+0x3d8/0x15b0 [19316.916014][ T7704] ip6_route_info_create+0xf18/0x17d0 [19316.916014][ T7704] ip6_route_add+0x1c/0x140 [19316.916014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19316.916014][ T7704] addrconf_add_dev+0xe2/0x170 [19316.916014][ T7704] inet6_addr_add+0x12f/0xa40 [19316.916014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19316.916014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19316.916014][ T7704] netlink_rcv_skb+0x130/0x360 [19316.916014][ T7704] netlink_unicast+0x449/0x710 [19316.916014][ T7704] netlink_sendmsg+0x723/0xbe0 [19316.916014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19316.916014][ T7704] ___sys_sendmsg+0xee/0x170 [19316.916014][ T7704] __sys_sendmsg+0xcd/0x170 [19316.916014][ T7704] do_syscall_64+0xc6/0x1e0 [19316.916014][ T7704] [19316.918246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19316.918246][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19316.918246][ T7704] ipv6_find_idev+0x102/0x170 [19316.918246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19316.918246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19316.918246][ T7704] netlink_rcv_skb+0x130/0x360 [19316.918246][ T7704] netlink_unicast+0x449/0x710 [19316.918246][ T7704] netlink_sendmsg+0x723/0xbe0 [19316.918246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19316.918246][ T7704] ___sys_sendmsg+0xee/0x170 [19316.918246][ T7704] __sys_sendmsg+0xcd/0x170 [19316.918246][ T7704] do_syscall_64+0xc6/0x1e0 [19316.918246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19316.918246][ T7704] [19316.919999][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19316.919999][ T7704] neigh_parms_alloc+0x1e5/0x510 [19316.919999][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19316.919999][ T7704] ipv6_find_idev+0x102/0x170 [19316.919999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19316.919999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19316.919999][ T7704] netlink_rcv_skb+0x130/0x360 [19316.919999][ T7704] netlink_unicast+0x449/0x710 [19316.919999][ T7704] netlink_sendmsg+0x723/0xbe0 [19316.919999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19316.919999][ T7704] ___sys_sendmsg+0xee/0x170 [19316.919999][ T7704] __sys_sendmsg+0xcd/0x170 [19316.919999][ T7704] do_syscall_64+0xc6/0x1e0 [19316.919999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19316.919999][ T7704] [19327.158897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19327.159323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19327.159323][ T7704] netdev_get_by_index+0x5e/0x80 [19327.159323][ T7704] fib6_nh_init+0x3d8/0x15b0 [19327.159323][ T7704] ip6_route_info_create+0xf18/0x17d0 [19327.159323][ T7704] ip6_route_add+0x1c/0x140 [19327.159323][ T7704] addrconf_prefix_route+0x2a6/0x430 [19327.159323][ T7704] inet6_addr_add+0x4f8/0xa40 [19327.159323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19327.159323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19327.159323][ T7704] netlink_rcv_skb+0x130/0x360 [19327.159323][ T7704] netlink_unicast+0x449/0x710 [19327.159323][ T7704] netlink_sendmsg+0x723/0xbe0 [19327.159323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19327.159323][ T7704] ___sys_sendmsg+0xee/0x170 [19327.159323][ T7704] __sys_sendmsg+0xcd/0x170 [19327.159323][ T7704] do_syscall_64+0xc6/0x1e0 [19327.159323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19327.159323][ T7704] [19327.161634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19327.161634][ T7704] netdev_get_by_index+0x5e/0x80 [19327.161634][ T7704] fib6_nh_init+0x3d8/0x15b0 [19327.161634][ T7704] ip6_route_info_create+0xf18/0x17d0 [19327.161634][ T7704] addrconf_f6i_alloc+0x315/0x560 [19327.161634][ T7704] ipv6_add_addr+0x411/0x2000 [19327.161634][ T7704] inet6_addr_add+0x30e/0xa40 [19327.161634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19327.161634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19327.161634][ T7704] netlink_rcv_skb+0x130/0x360 [19327.161634][ T7704] netlink_unicast+0x449/0x710 [19327.161634][ T7704] netlink_sendmsg+0x723/0xbe0 [19327.161634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19327.161634][ T7704] ___sys_sendmsg+0xee/0x170 [19327.161634][ T7704] __sys_sendmsg+0xcd/0x170 [19327.161634][ T7704] do_syscall_64+0xc6/0x1e0 [19327.161634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19327.161634][ T7704] [19327.163917][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19327.163917][ T7704] netdev_get_by_index+0x5e/0x80 [19327.163917][ T7704] fib6_nh_init+0x3d8/0x15b0 [19327.163917][ T7704] ip6_route_info_create+0xf18/0x17d0 [19327.163917][ T7704] ip6_route_add+0x1c/0x140 [19327.163917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19327.163917][ T7704] addrconf_add_dev+0xe2/0x170 [19327.163917][ T7704] inet6_addr_add+0x12f/0xa40 [19327.163917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19327.163917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19327.163917][ T7704] netlink_rcv_skb+0x130/0x360 [19327.163917][ T7704] netlink_unicast+0x449/0x710 [19327.163917][ T7704] netlink_sendmsg+0x723/0xbe0 [19327.163917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19327.163917][ T7704] ___sys_sendmsg+0xee/0x170 [19327.163917][ T7704] __sys_sendmsg+0xcd/0x170 [19327.163917][ T7704] do_syscall_64+0xc6/0x1e0 [19327.163917][ T7704] [19327.166158][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19327.166158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19327.166158][ T7704] ipv6_find_idev+0x102/0x170 [19327.166158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19327.166158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19327.166158][ T7704] netlink_rcv_skb+0x130/0x360 [19327.166158][ T7704] netlink_unicast+0x449/0x710 [19327.166158][ T7704] netlink_sendmsg+0x723/0xbe0 [19327.166158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19327.166158][ T7704] ___sys_sendmsg+0xee/0x170 [19327.166158][ T7704] __sys_sendmsg+0xcd/0x170 [19327.166158][ T7704] do_syscall_64+0xc6/0x1e0 [19327.166158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19327.166158][ T7704] [19327.167923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19327.167923][ T7704] neigh_parms_alloc+0x1e5/0x510 [19327.167923][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19327.167923][ T7704] ipv6_find_idev+0x102/0x170 [19327.167923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19327.167923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19327.167923][ T7704] netlink_rcv_skb+0x130/0x360 [19327.167923][ T7704] netlink_unicast+0x449/0x710 [19327.167923][ T7704] netlink_sendmsg+0x723/0xbe0 [19327.167923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19327.167923][ T7704] ___sys_sendmsg+0xee/0x170 [19327.167923][ T7704] __sys_sendmsg+0xcd/0x170 [19327.167923][ T7704] do_syscall_64+0xc6/0x1e0 [19327.167923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19327.167923][ T7704] [19337.406888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19337.407380][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19337.407380][ T7704] netdev_get_by_index+0x5e/0x80 [19337.407380][ T7704] fib6_nh_init+0x3d8/0x15b0 [19337.407380][ T7704] ip6_route_info_create+0xf18/0x17d0 [19337.407380][ T7704] ip6_route_add+0x1c/0x140 [19337.407380][ T7704] addrconf_prefix_route+0x2a6/0x430 [19337.407380][ T7704] inet6_addr_add+0x4f8/0xa40 [19337.407380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19337.407380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19337.407380][ T7704] netlink_rcv_skb+0x130/0x360 [19337.407380][ T7704] netlink_unicast+0x449/0x710 [19337.407380][ T7704] netlink_sendmsg+0x723/0xbe0 [19337.407380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19337.407380][ T7704] ___sys_sendmsg+0xee/0x170 [19337.407380][ T7704] __sys_sendmsg+0xcd/0x170 [19337.407380][ T7704] do_syscall_64+0xc6/0x1e0 [19337.407380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19337.407380][ T7704] [19337.409695][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19337.409695][ T7704] netdev_get_by_index+0x5e/0x80 [19337.409695][ T7704] fib6_nh_init+0x3d8/0x15b0 [19337.409695][ T7704] ip6_route_info_create+0xf18/0x17d0 [19337.409695][ T7704] addrconf_f6i_alloc+0x315/0x560 [19337.409695][ T7704] ipv6_add_addr+0x411/0x2000 [19337.409695][ T7704] inet6_addr_add+0x30e/0xa40 [19337.409695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19337.409695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19337.409695][ T7704] netlink_rcv_skb+0x130/0x360 [19337.409695][ T7704] netlink_unicast+0x449/0x710 [19337.409695][ T7704] netlink_sendmsg+0x723/0xbe0 [19337.409695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19337.409695][ T7704] ___sys_sendmsg+0xee/0x170 [19337.409695][ T7704] __sys_sendmsg+0xcd/0x170 [19337.409695][ T7704] do_syscall_64+0xc6/0x1e0 [19337.409695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19337.409695][ T7704] [19337.411919][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19337.411919][ T7704] netdev_get_by_index+0x5e/0x80 [19337.411919][ T7704] fib6_nh_init+0x3d8/0x15b0 [19337.411919][ T7704] ip6_route_info_create+0xf18/0x17d0 [19337.411919][ T7704] ip6_route_add+0x1c/0x140 [19337.411919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19337.411919][ T7704] addrconf_add_dev+0xe2/0x170 [19337.411919][ T7704] inet6_addr_add+0x12f/0xa40 [19337.411919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19337.411919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19337.411919][ T7704] netlink_rcv_skb+0x130/0x360 [19337.411919][ T7704] netlink_unicast+0x449/0x710 [19337.411919][ T7704] netlink_sendmsg+0x723/0xbe0 [19337.411919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19337.411919][ T7704] ___sys_sendmsg+0xee/0x170 [19337.411919][ T7704] __sys_sendmsg+0xcd/0x170 [19337.411919][ T7704] do_syscall_64+0xc6/0x1e0 [19337.411919][ T7704] [19337.414105][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19337.414105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19337.414105][ T7704] ipv6_find_idev+0x102/0x170 [19337.414105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19337.414105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19337.414105][ T7704] netlink_rcv_skb+0x130/0x360 [19337.414105][ T7704] netlink_unicast+0x449/0x710 [19337.414105][ T7704] netlink_sendmsg+0x723/0xbe0 [19337.414105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19337.414105][ T7704] ___sys_sendmsg+0xee/0x170 [19337.414105][ T7704] __sys_sendmsg+0xcd/0x170 [19337.414105][ T7704] do_syscall_64+0xc6/0x1e0 [19337.414105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19337.414105][ T7704] [19337.415811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19337.415811][ T7704] neigh_parms_alloc+0x1e5/0x510 [19337.415811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19337.415811][ T7704] ipv6_find_idev+0x102/0x170 [19337.415811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19337.415811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19337.415811][ T7704] netlink_rcv_skb+0x130/0x360 [19337.415811][ T7704] netlink_unicast+0x449/0x710 [19337.415811][ T7704] netlink_sendmsg+0x723/0xbe0 [19337.415811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19337.415811][ T7704] ___sys_sendmsg+0xee/0x170 [19337.415811][ T7704] __sys_sendmsg+0xcd/0x170 [19337.415811][ T7704] do_syscall_64+0xc6/0x1e0 [19337.415811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19337.415811][ T7704] [19347.654876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19347.655362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19347.655362][ T7704] netdev_get_by_index+0x5e/0x80 [19347.655362][ T7704] fib6_nh_init+0x3d8/0x15b0 [19347.655362][ T7704] ip6_route_info_create+0xf18/0x17d0 [19347.655362][ T7704] ip6_route_add+0x1c/0x140 [19347.655362][ T7704] addrconf_prefix_route+0x2a6/0x430 [19347.655362][ T7704] inet6_addr_add+0x4f8/0xa40 [19347.655362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19347.655362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19347.655362][ T7704] netlink_rcv_skb+0x130/0x360 [19347.655362][ T7704] netlink_unicast+0x449/0x710 [19347.655362][ T7704] netlink_sendmsg+0x723/0xbe0 [19347.655362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19347.655362][ T7704] ___sys_sendmsg+0xee/0x170 [19347.655362][ T7704] __sys_sendmsg+0xcd/0x170 [19347.655362][ T7704] do_syscall_64+0xc6/0x1e0 [19347.655362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19347.655362][ T7704] [19347.657601][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19347.657601][ T7704] netdev_get_by_index+0x5e/0x80 [19347.657601][ T7704] fib6_nh_init+0x3d8/0x15b0 [19347.657601][ T7704] ip6_route_info_create+0xf18/0x17d0 [19347.657601][ T7704] addrconf_f6i_alloc+0x315/0x560 [19347.657601][ T7704] ipv6_add_addr+0x411/0x2000 [19347.657601][ T7704] inet6_addr_add+0x30e/0xa40 [19347.657601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19347.657601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19347.657601][ T7704] netlink_rcv_skb+0x130/0x360 [19347.657601][ T7704] netlink_unicast+0x449/0x710 [19347.657601][ T7704] netlink_sendmsg+0x723/0xbe0 [19347.657601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19347.657601][ T7704] ___sys_sendmsg+0xee/0x170 [19347.657601][ T7704] __sys_sendmsg+0xcd/0x170 [19347.657601][ T7704] do_syscall_64+0xc6/0x1e0 [19347.657601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19347.657601][ T7704] [19347.659831][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19347.659831][ T7704] netdev_get_by_index+0x5e/0x80 [19347.659831][ T7704] fib6_nh_init+0x3d8/0x15b0 [19347.659831][ T7704] ip6_route_info_create+0xf18/0x17d0 [19347.659831][ T7704] ip6_route_add+0x1c/0x140 [19347.659831][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19347.659831][ T7704] addrconf_add_dev+0xe2/0x170 [19347.659831][ T7704] inet6_addr_add+0x12f/0xa40 [19347.659831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19347.659831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19347.659831][ T7704] netlink_rcv_skb+0x130/0x360 [19347.659831][ T7704] netlink_unicast+0x449/0x710 [19347.659831][ T7704] netlink_sendmsg+0x723/0xbe0 [19347.659831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19347.659831][ T7704] ___sys_sendmsg+0xee/0x170 [19347.659831][ T7704] __sys_sendmsg+0xcd/0x170 [19347.659831][ T7704] do_syscall_64+0xc6/0x1e0 [19347.659831][ T7704] [19347.662036][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19347.662036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19347.662036][ T7704] ipv6_find_idev+0x102/0x170 [19347.662036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19347.662036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19347.662036][ T7704] netlink_rcv_skb+0x130/0x360 [19347.662036][ T7704] netlink_unicast+0x449/0x710 [19347.662036][ T7704] netlink_sendmsg+0x723/0xbe0 [19347.662036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19347.662036][ T7704] ___sys_sendmsg+0xee/0x170 [19347.662036][ T7704] __sys_sendmsg+0xcd/0x170 [19347.662036][ T7704] do_syscall_64+0xc6/0x1e0 [19347.662036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19347.662036][ T7704] [19347.663741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19347.663741][ T7704] neigh_parms_alloc+0x1e5/0x510 [19347.663741][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19347.663741][ T7704] ipv6_find_idev+0x102/0x170 [19347.663741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19347.663741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19347.663741][ T7704] netlink_rcv_skb+0x130/0x360 [19347.663741][ T7704] netlink_unicast+0x449/0x710 [19347.663741][ T7704] netlink_sendmsg+0x723/0xbe0 [19347.663741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19347.663741][ T7704] ___sys_sendmsg+0xee/0x170 [19347.663741][ T7704] __sys_sendmsg+0xcd/0x170 [19347.663741][ T7704] do_syscall_64+0xc6/0x1e0 [19347.663741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19347.663741][ T7704] [19357.902961][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19357.903447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19357.903447][ T7704] netdev_get_by_index+0x5e/0x80 [19357.903447][ T7704] fib6_nh_init+0x3d8/0x15b0 [19357.903447][ T7704] ip6_route_info_create+0xf18/0x17d0 [19357.903447][ T7704] ip6_route_add+0x1c/0x140 [19357.903447][ T7704] addrconf_prefix_route+0x2a6/0x430 [19357.903447][ T7704] inet6_addr_add+0x4f8/0xa40 [19357.903447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19357.903447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19357.903447][ T7704] netlink_rcv_skb+0x130/0x360 [19357.903447][ T7704] netlink_unicast+0x449/0x710 [19357.903447][ T7704] netlink_sendmsg+0x723/0xbe0 [19357.903447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19357.903447][ T7704] ___sys_sendmsg+0xee/0x170 [19357.903447][ T7704] __sys_sendmsg+0xcd/0x170 [19357.903447][ T7704] do_syscall_64+0xc6/0x1e0 [19357.903447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19357.903447][ T7704] [19357.905693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19357.905693][ T7704] netdev_get_by_index+0x5e/0x80 [19357.905693][ T7704] fib6_nh_init+0x3d8/0x15b0 [19357.905693][ T7704] ip6_route_info_create+0xf18/0x17d0 [19357.905693][ T7704] addrconf_f6i_alloc+0x315/0x560 [19357.905693][ T7704] ipv6_add_addr+0x411/0x2000 [19357.905693][ T7704] inet6_addr_add+0x30e/0xa40 [19357.905693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19357.905693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19357.905693][ T7704] netlink_rcv_skb+0x130/0x360 [19357.905693][ T7704] netlink_unicast+0x449/0x710 [19357.905693][ T7704] netlink_sendmsg+0x723/0xbe0 [19357.905693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19357.905693][ T7704] ___sys_sendmsg+0xee/0x170 [19357.905693][ T7704] __sys_sendmsg+0xcd/0x170 [19357.905693][ T7704] do_syscall_64+0xc6/0x1e0 [19357.905693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19357.905693][ T7704] [19357.907914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19357.907914][ T7704] netdev_get_by_index+0x5e/0x80 [19357.907914][ T7704] fib6_nh_init+0x3d8/0x15b0 [19357.907914][ T7704] ip6_route_info_create+0xf18/0x17d0 [19357.907914][ T7704] ip6_route_add+0x1c/0x140 [19357.907914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19357.907914][ T7704] addrconf_add_dev+0xe2/0x170 [19357.907914][ T7704] inet6_addr_add+0x12f/0xa40 [19357.907914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19357.907914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19357.907914][ T7704] netlink_rcv_skb+0x130/0x360 [19357.907914][ T7704] netlink_unicast+0x449/0x710 [19357.907914][ T7704] netlink_sendmsg+0x723/0xbe0 [19357.907914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19357.907914][ T7704] ___sys_sendmsg+0xee/0x170 [19357.907914][ T7704] __sys_sendmsg+0xcd/0x170 [19357.907914][ T7704] do_syscall_64+0xc6/0x1e0 [19357.907914][ T7704] [19357.910097][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19357.910097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19357.910097][ T7704] ipv6_find_idev+0x102/0x170 [19357.910097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19357.910097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19357.910097][ T7704] netlink_rcv_skb+0x130/0x360 [19357.910097][ T7704] netlink_unicast+0x449/0x710 [19357.910097][ T7704] netlink_sendmsg+0x723/0xbe0 [19357.910097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19357.910097][ T7704] ___sys_sendmsg+0xee/0x170 [19357.910097][ T7704] __sys_sendmsg+0xcd/0x170 [19357.910097][ T7704] do_syscall_64+0xc6/0x1e0 [19357.910097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19357.910097][ T7704] [19357.911815][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19357.911815][ T7704] neigh_parms_alloc+0x1e5/0x510 [19357.911815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19357.911815][ T7704] ipv6_find_idev+0x102/0x170 [19357.911815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19357.911815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19357.911815][ T7704] netlink_rcv_skb+0x130/0x360 [19357.911815][ T7704] netlink_unicast+0x449/0x710 [19357.911815][ T7704] netlink_sendmsg+0x723/0xbe0 [19357.911815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19357.911815][ T7704] ___sys_sendmsg+0xee/0x170 [19357.911815][ T7704] __sys_sendmsg+0xcd/0x170 [19357.911815][ T7704] do_syscall_64+0xc6/0x1e0 [19357.911815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19357.911815][ T7704] [19368.150974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19368.151452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19368.151452][ T7704] netdev_get_by_index+0x5e/0x80 [19368.151452][ T7704] fib6_nh_init+0x3d8/0x15b0 [19368.151452][ T7704] ip6_route_info_create+0xf18/0x17d0 [19368.151452][ T7704] ip6_route_add+0x1c/0x140 [19368.151452][ T7704] addrconf_prefix_route+0x2a6/0x430 [19368.151452][ T7704] inet6_addr_add+0x4f8/0xa40 [19368.151452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19368.151452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19368.151452][ T7704] netlink_rcv_skb+0x130/0x360 [19368.151452][ T7704] netlink_unicast+0x449/0x710 [19368.151452][ T7704] netlink_sendmsg+0x723/0xbe0 [19368.151452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19368.151452][ T7704] ___sys_sendmsg+0xee/0x170 [19368.151452][ T7704] __sys_sendmsg+0xcd/0x170 [19368.151452][ T7704] do_syscall_64+0xc6/0x1e0 [19368.151452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19368.151452][ T7704] [19368.153705][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19368.153705][ T7704] netdev_get_by_index+0x5e/0x80 [19368.153705][ T7704] fib6_nh_init+0x3d8/0x15b0 [19368.153705][ T7704] ip6_route_info_create+0xf18/0x17d0 [19368.153705][ T7704] addrconf_f6i_alloc+0x315/0x560 [19368.153705][ T7704] ipv6_add_addr+0x411/0x2000 [19368.153705][ T7704] inet6_addr_add+0x30e/0xa40 [19368.153705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19368.153705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19368.153705][ T7704] netlink_rcv_skb+0x130/0x360 [19368.153705][ T7704] netlink_unicast+0x449/0x710 [19368.153705][ T7704] netlink_sendmsg+0x723/0xbe0 [19368.153705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19368.153705][ T7704] ___sys_sendmsg+0xee/0x170 [19368.153705][ T7704] __sys_sendmsg+0xcd/0x170 [19368.153705][ T7704] do_syscall_64+0xc6/0x1e0 [19368.153705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19368.153705][ T7704] [19368.155926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19368.155926][ T7704] netdev_get_by_index+0x5e/0x80 [19368.155926][ T7704] fib6_nh_init+0x3d8/0x15b0 [19368.155926][ T7704] ip6_route_info_create+0xf18/0x17d0 [19368.155926][ T7704] ip6_route_add+0x1c/0x140 [19368.155926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19368.155926][ T7704] addrconf_add_dev+0xe2/0x170 [19368.155926][ T7704] inet6_addr_add+0x12f/0xa40 [19368.155926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19368.155926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19368.155926][ T7704] netlink_rcv_skb+0x130/0x360 [19368.155926][ T7704] netlink_unicast+0x449/0x710 [19368.155926][ T7704] netlink_sendmsg+0x723/0xbe0 [19368.155926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19368.155926][ T7704] ___sys_sendmsg+0xee/0x170 [19368.155926][ T7704] __sys_sendmsg+0xcd/0x170 [19368.155926][ T7704] do_syscall_64+0xc6/0x1e0 [19368.155926][ T7704] [19368.158114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19368.158114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19368.158114][ T7704] ipv6_find_idev+0x102/0x170 [19368.158114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19368.158114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19368.158114][ T7704] netlink_rcv_skb+0x130/0x360 [19368.158114][ T7704] netlink_unicast+0x449/0x710 [19368.158114][ T7704] netlink_sendmsg+0x723/0xbe0 [19368.158114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19368.158114][ T7704] ___sys_sendmsg+0xee/0x170 [19368.158114][ T7704] __sys_sendmsg+0xcd/0x170 [19368.158114][ T7704] do_syscall_64+0xc6/0x1e0 [19368.158114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19368.158114][ T7704] [19368.159836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19368.159836][ T7704] neigh_parms_alloc+0x1e5/0x510 [19368.159836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19368.159836][ T7704] ipv6_find_idev+0x102/0x170 [19368.159836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19368.159836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19368.159836][ T7704] netlink_rcv_skb+0x130/0x360 [19368.159836][ T7704] netlink_unicast+0x449/0x710 [19368.159836][ T7704] netlink_sendmsg+0x723/0xbe0 [19368.159836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19368.159836][ T7704] ___sys_sendmsg+0xee/0x170 [19368.159836][ T7704] __sys_sendmsg+0xcd/0x170 [19368.159836][ T7704] do_syscall_64+0xc6/0x1e0 [19368.159836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19368.159836][ T7704] [19378.262990][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19378.263504][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19378.263504][ T7704] netdev_get_by_index+0x5e/0x80 [19378.263504][ T7704] fib6_nh_init+0x3d8/0x15b0 [19378.263504][ T7704] ip6_route_info_create+0xf18/0x17d0 [19378.263504][ T7704] ip6_route_add+0x1c/0x140 [19378.263504][ T7704] addrconf_prefix_route+0x2a6/0x430 [19378.263504][ T7704] inet6_addr_add+0x4f8/0xa40 [19378.263504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19378.263504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19378.263504][ T7704] netlink_rcv_skb+0x130/0x360 [19378.263504][ T7704] netlink_unicast+0x449/0x710 [19378.263504][ T7704] netlink_sendmsg+0x723/0xbe0 [19378.263504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19378.263504][ T7704] ___sys_sendmsg+0xee/0x170 [19378.263504][ T7704] __sys_sendmsg+0xcd/0x170 [19378.263504][ T7704] do_syscall_64+0xc6/0x1e0 [19378.263504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19378.263504][ T7704] [19378.266266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19378.266266][ T7704] netdev_get_by_index+0x5e/0x80 [19378.266266][ T7704] fib6_nh_init+0x3d8/0x15b0 [19378.266266][ T7704] ip6_route_info_create+0xf18/0x17d0 [19378.266266][ T7704] addrconf_f6i_alloc+0x315/0x560 [19378.266266][ T7704] ipv6_add_addr+0x411/0x2000 [19378.266266][ T7704] inet6_addr_add+0x30e/0xa40 [19378.266266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19378.266266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19378.266266][ T7704] netlink_rcv_skb+0x130/0x360 [19378.266266][ T7704] netlink_unicast+0x449/0x710 [19378.266266][ T7704] netlink_sendmsg+0x723/0xbe0 [19378.266266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19378.266266][ T7704] ___sys_sendmsg+0xee/0x170 [19378.266266][ T7704] __sys_sendmsg+0xcd/0x170 [19378.266266][ T7704] do_syscall_64+0xc6/0x1e0 [19378.266266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19378.266266][ T7704] [19378.268991][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19378.268991][ T7704] netdev_get_by_index+0x5e/0x80 [19378.268991][ T7704] fib6_nh_init+0x3d8/0x15b0 [19378.268991][ T7704] ip6_route_info_create+0xf18/0x17d0 [19378.268991][ T7704] ip6_route_add+0x1c/0x140 [19378.268991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19378.268991][ T7704] addrconf_add_dev+0xe2/0x170 [19378.268991][ T7704] inet6_addr_add+0x12f/0xa40 [19378.268991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19378.268991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19378.268991][ T7704] netlink_rcv_skb+0x130/0x360 [19378.268991][ T7704] netlink_unicast+0x449/0x710 [19378.268991][ T7704] netlink_sendmsg+0x723/0xbe0 [19378.268991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19378.268991][ T7704] ___sys_sendmsg+0xee/0x170 [19378.268991][ T7704] __sys_sendmsg+0xcd/0x170 [19378.268991][ T7704] do_syscall_64+0xc6/0x1e0 [19378.268991][ T7704] [19378.271681][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19378.271681][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19378.271681][ T7704] ipv6_find_idev+0x102/0x170 [19378.271681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19378.271681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19378.271681][ T7704] netlink_rcv_skb+0x130/0x360 [19378.271681][ T7704] netlink_unicast+0x449/0x710 [19378.271681][ T7704] netlink_sendmsg+0x723/0xbe0 [19378.271681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19378.271681][ T7704] ___sys_sendmsg+0xee/0x170 [19378.271681][ T7704] __sys_sendmsg+0xcd/0x170 [19378.271681][ T7704] do_syscall_64+0xc6/0x1e0 [19378.271681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19378.271681][ T7704] [19378.273777][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19378.273777][ T7704] neigh_parms_alloc+0x1e5/0x510 [19378.273777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19378.273777][ T7704] ipv6_find_idev+0x102/0x170 [19378.273777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19378.273777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19378.273777][ T7704] netlink_rcv_skb+0x130/0x360 [19378.273777][ T7704] netlink_unicast+0x449/0x710 [19378.273777][ T7704] netlink_sendmsg+0x723/0xbe0 [19378.273777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19378.273777][ T7704] ___sys_sendmsg+0xee/0x170 [19378.273777][ T7704] __sys_sendmsg+0xcd/0x170 [19378.273777][ T7704] do_syscall_64+0xc6/0x1e0 [19378.273777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19378.273777][ T7704] [19388.518948][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19388.519453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19388.519453][ T7704] netdev_get_by_index+0x5e/0x80 [19388.519453][ T7704] fib6_nh_init+0x3d8/0x15b0 [19388.519453][ T7704] ip6_route_info_create+0xf18/0x17d0 [19388.519453][ T7704] ip6_route_add+0x1c/0x140 [19388.519453][ T7704] addrconf_prefix_route+0x2a6/0x430 [19388.519453][ T7704] inet6_addr_add+0x4f8/0xa40 [19388.519453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19388.519453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19388.519453][ T7704] netlink_rcv_skb+0x130/0x360 [19388.519453][ T7704] netlink_unicast+0x449/0x710 [19388.519453][ T7704] netlink_sendmsg+0x723/0xbe0 [19388.519453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19388.519453][ T7704] ___sys_sendmsg+0xee/0x170 [19388.519453][ T7704] __sys_sendmsg+0xcd/0x170 [19388.519453][ T7704] do_syscall_64+0xc6/0x1e0 [19388.519453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19388.519453][ T7704] [19388.522214][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19388.522214][ T7704] netdev_get_by_index+0x5e/0x80 [19388.522214][ T7704] fib6_nh_init+0x3d8/0x15b0 [19388.522214][ T7704] ip6_route_info_create+0xf18/0x17d0 [19388.522214][ T7704] addrconf_f6i_alloc+0x315/0x560 [19388.522214][ T7704] ipv6_add_addr+0x411/0x2000 [19388.522214][ T7704] inet6_addr_add+0x30e/0xa40 [19388.522214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19388.522214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19388.522214][ T7704] netlink_rcv_skb+0x130/0x360 [19388.522214][ T7704] netlink_unicast+0x449/0x710 [19388.522214][ T7704] netlink_sendmsg+0x723/0xbe0 [19388.522214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19388.522214][ T7704] ___sys_sendmsg+0xee/0x170 [19388.522214][ T7704] __sys_sendmsg+0xcd/0x170 [19388.522214][ T7704] do_syscall_64+0xc6/0x1e0 [19388.522214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19388.522214][ T7704] [19388.524937][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19388.524937][ T7704] netdev_get_by_index+0x5e/0x80 [19388.524937][ T7704] fib6_nh_init+0x3d8/0x15b0 [19388.524937][ T7704] ip6_route_info_create+0xf18/0x17d0 [19388.524937][ T7704] ip6_route_add+0x1c/0x140 [19388.524937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19388.524937][ T7704] addrconf_add_dev+0xe2/0x170 [19388.524937][ T7704] inet6_addr_add+0x12f/0xa40 [19388.524937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19388.524937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19388.524937][ T7704] netlink_rcv_skb+0x130/0x360 [19388.524937][ T7704] netlink_unicast+0x449/0x710 [19388.524937][ T7704] netlink_sendmsg+0x723/0xbe0 [19388.524937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19388.524937][ T7704] ___sys_sendmsg+0xee/0x170 [19388.524937][ T7704] __sys_sendmsg+0xcd/0x170 [19388.524937][ T7704] do_syscall_64+0xc6/0x1e0 [19388.524937][ T7704] [19388.527607][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19388.527607][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19388.527607][ T7704] ipv6_find_idev+0x102/0x170 [19388.527607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19388.527607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19388.527607][ T7704] netlink_rcv_skb+0x130/0x360 [19388.527607][ T7704] netlink_unicast+0x449/0x710 [19388.527607][ T7704] netlink_sendmsg+0x723/0xbe0 [19388.527607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19388.527607][ T7704] ___sys_sendmsg+0xee/0x170 [19388.527607][ T7704] __sys_sendmsg+0xcd/0x170 [19388.527607][ T7704] do_syscall_64+0xc6/0x1e0 [19388.527607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19388.527607][ T7704] [19388.529696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19388.529696][ T7704] neigh_parms_alloc+0x1e5/0x510 [19388.529696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19388.529696][ T7704] ipv6_find_idev+0x102/0x170 [19388.529696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19388.529696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19388.529696][ T7704] netlink_rcv_skb+0x130/0x360 [19388.529696][ T7704] netlink_unicast+0x449/0x710 [19388.529696][ T7704] netlink_sendmsg+0x723/0xbe0 [19388.529696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19388.529696][ T7704] ___sys_sendmsg+0xee/0x170 [19388.529696][ T7704] __sys_sendmsg+0xcd/0x170 [19388.529696][ T7704] do_syscall_64+0xc6/0x1e0 [19388.529696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19388.529696][ T7704] [19398.774958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19398.775436][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19398.775436][ T7704] netdev_get_by_index+0x5e/0x80 [19398.775436][ T7704] fib6_nh_init+0x3d8/0x15b0 [19398.775436][ T7704] ip6_route_info_create+0xf18/0x17d0 [19398.775436][ T7704] ip6_route_add+0x1c/0x140 [19398.775436][ T7704] addrconf_prefix_route+0x2a6/0x430 [19398.775436][ T7704] inet6_addr_add+0x4f8/0xa40 [19398.775436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19398.775436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19398.775436][ T7704] netlink_rcv_skb+0x130/0x360 [19398.775436][ T7704] netlink_unicast+0x449/0x710 [19398.775436][ T7704] netlink_sendmsg+0x723/0xbe0 [19398.775436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19398.775436][ T7704] ___sys_sendmsg+0xee/0x170 [19398.775436][ T7704] __sys_sendmsg+0xcd/0x170 [19398.775436][ T7704] do_syscall_64+0xc6/0x1e0 [19398.775436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19398.775436][ T7704] [19398.777677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19398.777677][ T7704] netdev_get_by_index+0x5e/0x80 [19398.777677][ T7704] fib6_nh_init+0x3d8/0x15b0 [19398.777677][ T7704] ip6_route_info_create+0xf18/0x17d0 [19398.777677][ T7704] addrconf_f6i_alloc+0x315/0x560 [19398.777677][ T7704] ipv6_add_addr+0x411/0x2000 [19398.777677][ T7704] inet6_addr_add+0x30e/0xa40 [19398.777677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19398.777677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19398.777677][ T7704] netlink_rcv_skb+0x130/0x360 [19398.777677][ T7704] netlink_unicast+0x449/0x710 [19398.777677][ T7704] netlink_sendmsg+0x723/0xbe0 [19398.777677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19398.777677][ T7704] ___sys_sendmsg+0xee/0x170 [19398.777677][ T7704] __sys_sendmsg+0xcd/0x170 [19398.777677][ T7704] do_syscall_64+0xc6/0x1e0 [19398.777677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19398.777677][ T7704] [19398.779896][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19398.779896][ T7704] netdev_get_by_index+0x5e/0x80 [19398.779896][ T7704] fib6_nh_init+0x3d8/0x15b0 [19398.779896][ T7704] ip6_route_info_create+0xf18/0x17d0 [19398.779896][ T7704] ip6_route_add+0x1c/0x140 [19398.779896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19398.779896][ T7704] addrconf_add_dev+0xe2/0x170 [19398.779896][ T7704] inet6_addr_add+0x12f/0xa40 [19398.779896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19398.779896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19398.779896][ T7704] netlink_rcv_skb+0x130/0x360 [19398.779896][ T7704] netlink_unicast+0x449/0x710 [19398.779896][ T7704] netlink_sendmsg+0x723/0xbe0 [19398.779896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19398.779896][ T7704] ___sys_sendmsg+0xee/0x170 [19398.779896][ T7704] __sys_sendmsg+0xcd/0x170 [19398.779896][ T7704] do_syscall_64+0xc6/0x1e0 [19398.779896][ T7704] [19398.782595][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19398.782595][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19398.782595][ T7704] ipv6_find_idev+0x102/0x170 [19398.782595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19398.782595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19398.782595][ T7704] netlink_rcv_skb+0x130/0x360 [19398.782595][ T7704] netlink_unicast+0x449/0x710 [19398.782595][ T7704] netlink_sendmsg+0x723/0xbe0 [19398.782595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19398.782595][ T7704] ___sys_sendmsg+0xee/0x170 [19398.782595][ T7704] __sys_sendmsg+0xcd/0x170 [19398.782595][ T7704] do_syscall_64+0xc6/0x1e0 [19398.782595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19398.782595][ T7704] [19398.784297][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19398.784297][ T7704] neigh_parms_alloc+0x1e5/0x510 [19398.784297][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19398.784297][ T7704] ipv6_find_idev+0x102/0x170 [19398.784297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19398.784297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19398.784297][ T7704] netlink_rcv_skb+0x130/0x360 [19398.784297][ T7704] netlink_unicast+0x449/0x710 [19398.784297][ T7704] netlink_sendmsg+0x723/0xbe0 [19398.784297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19398.784297][ T7704] ___sys_sendmsg+0xee/0x170 [19398.784297][ T7704] __sys_sendmsg+0xcd/0x170 [19398.784297][ T7704] do_syscall_64+0xc6/0x1e0 [19398.784297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19398.784297][ T7704] [19409.023020][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19409.023446][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19409.023446][ T7704] netdev_get_by_index+0x5e/0x80 [19409.023446][ T7704] fib6_nh_init+0x3d8/0x15b0 [19409.023446][ T7704] ip6_route_info_create+0xf18/0x17d0 [19409.023446][ T7704] ip6_route_add+0x1c/0x140 [19409.023446][ T7704] addrconf_prefix_route+0x2a6/0x430 [19409.023446][ T7704] inet6_addr_add+0x4f8/0xa40 [19409.023446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19409.023446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19409.023446][ T7704] netlink_rcv_skb+0x130/0x360 [19409.023446][ T7704] netlink_unicast+0x449/0x710 [19409.023446][ T7704] netlink_sendmsg+0x723/0xbe0 [19409.023446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19409.023446][ T7704] ___sys_sendmsg+0xee/0x170 [19409.023446][ T7704] __sys_sendmsg+0xcd/0x170 [19409.023446][ T7704] do_syscall_64+0xc6/0x1e0 [19409.023446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19409.023446][ T7704] [19409.025675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19409.025675][ T7704] netdev_get_by_index+0x5e/0x80 [19409.025675][ T7704] fib6_nh_init+0x3d8/0x15b0 [19409.025675][ T7704] ip6_route_info_create+0xf18/0x17d0 [19409.025675][ T7704] addrconf_f6i_alloc+0x315/0x560 [19409.025675][ T7704] ipv6_add_addr+0x411/0x2000 [19409.025675][ T7704] inet6_addr_add+0x30e/0xa40 [19409.025675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19409.025675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19409.025675][ T7704] netlink_rcv_skb+0x130/0x360 [19409.025675][ T7704] netlink_unicast+0x449/0x710 [19409.025675][ T7704] netlink_sendmsg+0x723/0xbe0 [19409.025675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19409.025675][ T7704] ___sys_sendmsg+0xee/0x170 [19409.025675][ T7704] __sys_sendmsg+0xcd/0x170 [19409.025675][ T7704] do_syscall_64+0xc6/0x1e0 [19409.025675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19409.025675][ T7704] [19409.027886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19409.027886][ T7704] netdev_get_by_index+0x5e/0x80 [19409.027886][ T7704] fib6_nh_init+0x3d8/0x15b0 [19409.027886][ T7704] ip6_route_info_create+0xf18/0x17d0 [19409.027886][ T7704] ip6_route_add+0x1c/0x140 [19409.027886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19409.027886][ T7704] addrconf_add_dev+0xe2/0x170 [19409.027886][ T7704] inet6_addr_add+0x12f/0xa40 [19409.027886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19409.027886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19409.027886][ T7704] netlink_rcv_skb+0x130/0x360 [19409.027886][ T7704] netlink_unicast+0x449/0x710 [19409.027886][ T7704] netlink_sendmsg+0x723/0xbe0 [19409.027886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19409.027886][ T7704] ___sys_sendmsg+0xee/0x170 [19409.027886][ T7704] __sys_sendmsg+0xcd/0x170 [19409.027886][ T7704] do_syscall_64+0xc6/0x1e0 [19409.027886][ T7704] [19409.030070][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19409.030070][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19409.030070][ T7704] ipv6_find_idev+0x102/0x170 [19409.030070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19409.030070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19409.030070][ T7704] netlink_rcv_skb+0x130/0x360 [19409.030070][ T7704] netlink_unicast+0x449/0x710 [19409.030070][ T7704] netlink_sendmsg+0x723/0xbe0 [19409.030070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19409.030070][ T7704] ___sys_sendmsg+0xee/0x170 [19409.030070][ T7704] __sys_sendmsg+0xcd/0x170 [19409.030070][ T7704] do_syscall_64+0xc6/0x1e0 [19409.030070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19409.030070][ T7704] [19409.031772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19409.031772][ T7704] neigh_parms_alloc+0x1e5/0x510 [19409.031772][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19409.031772][ T7704] ipv6_find_idev+0x102/0x170 [19409.031772][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19409.031772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19409.031772][ T7704] netlink_rcv_skb+0x130/0x360 [19409.031772][ T7704] netlink_unicast+0x449/0x710 [19409.031772][ T7704] netlink_sendmsg+0x723/0xbe0 [19409.031772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19409.031772][ T7704] ___sys_sendmsg+0xee/0x170 [19409.031772][ T7704] __sys_sendmsg+0xcd/0x170 [19409.031772][ T7704] do_syscall_64+0xc6/0x1e0 [19409.031772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19409.031772][ T7704] [19419.094978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19419.095427][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19419.095427][ T7704] netdev_get_by_index+0x5e/0x80 [19419.095427][ T7704] fib6_nh_init+0x3d8/0x15b0 [19419.095427][ T7704] ip6_route_info_create+0xf18/0x17d0 [19419.095427][ T7704] ip6_route_add+0x1c/0x140 [19419.095427][ T7704] addrconf_prefix_route+0x2a6/0x430 [19419.095427][ T7704] inet6_addr_add+0x4f8/0xa40 [19419.095427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19419.095427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19419.095427][ T7704] netlink_rcv_skb+0x130/0x360 [19419.095427][ T7704] netlink_unicast+0x449/0x710 [19419.095427][ T7704] netlink_sendmsg+0x723/0xbe0 [19419.095427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19419.095427][ T7704] ___sys_sendmsg+0xee/0x170 [19419.095427][ T7704] __sys_sendmsg+0xcd/0x170 [19419.095427][ T7704] do_syscall_64+0xc6/0x1e0 [19419.095427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19419.095427][ T7704] [19419.097666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19419.097666][ T7704] netdev_get_by_index+0x5e/0x80 [19419.097666][ T7704] fib6_nh_init+0x3d8/0x15b0 [19419.097666][ T7704] ip6_route_info_create+0xf18/0x17d0 [19419.097666][ T7704] addrconf_f6i_alloc+0x315/0x560 [19419.097666][ T7704] ipv6_add_addr+0x411/0x2000 [19419.097666][ T7704] inet6_addr_add+0x30e/0xa40 [19419.097666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19419.097666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19419.097666][ T7704] netlink_rcv_skb+0x130/0x360 [19419.097666][ T7704] netlink_unicast+0x449/0x710 [19419.097666][ T7704] netlink_sendmsg+0x723/0xbe0 [19419.097666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19419.097666][ T7704] ___sys_sendmsg+0xee/0x170 [19419.097666][ T7704] __sys_sendmsg+0xcd/0x170 [19419.097666][ T7704] do_syscall_64+0xc6/0x1e0 [19419.097666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19419.097666][ T7704] [19419.099940][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19419.099940][ T7704] netdev_get_by_index+0x5e/0x80 [19419.099940][ T7704] fib6_nh_init+0x3d8/0x15b0 [19419.099940][ T7704] ip6_route_info_create+0xf18/0x17d0 [19419.099940][ T7704] ip6_route_add+0x1c/0x140 [19419.099940][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19419.099940][ T7704] addrconf_add_dev+0xe2/0x170 [19419.099940][ T7704] inet6_addr_add+0x12f/0xa40 [19419.099940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19419.099940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19419.099940][ T7704] netlink_rcv_skb+0x130/0x360 [19419.099940][ T7704] netlink_unicast+0x449/0x710 [19419.099940][ T7704] netlink_sendmsg+0x723/0xbe0 [19419.099940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19419.099940][ T7704] ___sys_sendmsg+0xee/0x170 [19419.099940][ T7704] __sys_sendmsg+0xcd/0x170 [19419.099940][ T7704] do_syscall_64+0xc6/0x1e0 [19419.099940][ T7704] [19419.102129][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19419.102129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19419.102129][ T7704] ipv6_find_idev+0x102/0x170 [19419.102129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19419.102129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19419.102129][ T7704] netlink_rcv_skb+0x130/0x360 [19419.102129][ T7704] netlink_unicast+0x449/0x710 [19419.102129][ T7704] netlink_sendmsg+0x723/0xbe0 [19419.102129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19419.102129][ T7704] ___sys_sendmsg+0xee/0x170 [19419.102129][ T7704] __sys_sendmsg+0xcd/0x170 [19419.102129][ T7704] do_syscall_64+0xc6/0x1e0 [19419.102129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19419.102129][ T7704] [19419.103851][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19419.103851][ T7704] neigh_parms_alloc+0x1e5/0x510 [19419.103851][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19419.103851][ T7704] ipv6_find_idev+0x102/0x170 [19419.103851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19419.103851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19419.103851][ T7704] netlink_rcv_skb+0x130/0x360 [19419.103851][ T7704] netlink_unicast+0x449/0x710 [19419.103851][ T7704] netlink_sendmsg+0x723/0xbe0 [19419.103851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19419.103851][ T7704] ___sys_sendmsg+0xee/0x170 [19419.103851][ T7704] __sys_sendmsg+0xcd/0x170 [19419.103851][ T7704] do_syscall_64+0xc6/0x1e0 [19419.103851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19419.103851][ T7704] [19429.174902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19429.175384][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19429.175384][ T7704] netdev_get_by_index+0x5e/0x80 [19429.175384][ T7704] fib6_nh_init+0x3d8/0x15b0 [19429.175384][ T7704] ip6_route_info_create+0xf18/0x17d0 [19429.175384][ T7704] ip6_route_add+0x1c/0x140 [19429.175384][ T7704] addrconf_prefix_route+0x2a6/0x430 [19429.175384][ T7704] inet6_addr_add+0x4f8/0xa40 [19429.175384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19429.175384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19429.175384][ T7704] netlink_rcv_skb+0x130/0x360 [19429.175384][ T7704] netlink_unicast+0x449/0x710 [19429.175384][ T7704] netlink_sendmsg+0x723/0xbe0 [19429.175384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19429.175384][ T7704] ___sys_sendmsg+0xee/0x170 [19429.175384][ T7704] __sys_sendmsg+0xcd/0x170 [19429.175384][ T7704] do_syscall_64+0xc6/0x1e0 [19429.175384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19429.175384][ T7704] [19429.177629][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19429.177629][ T7704] netdev_get_by_index+0x5e/0x80 [19429.177629][ T7704] fib6_nh_init+0x3d8/0x15b0 [19429.177629][ T7704] ip6_route_info_create+0xf18/0x17d0 [19429.177629][ T7704] addrconf_f6i_alloc+0x315/0x560 [19429.177629][ T7704] ipv6_add_addr+0x411/0x2000 [19429.177629][ T7704] inet6_addr_add+0x30e/0xa40 [19429.177629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19429.177629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19429.177629][ T7704] netlink_rcv_skb+0x130/0x360 [19429.177629][ T7704] netlink_unicast+0x449/0x710 [19429.177629][ T7704] netlink_sendmsg+0x723/0xbe0 [19429.177629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19429.177629][ T7704] ___sys_sendmsg+0xee/0x170 [19429.177629][ T7704] __sys_sendmsg+0xcd/0x170 [19429.177629][ T7704] do_syscall_64+0xc6/0x1e0 [19429.177629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19429.177629][ T7704] [19429.179853][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19429.179853][ T7704] netdev_get_by_index+0x5e/0x80 [19429.179853][ T7704] fib6_nh_init+0x3d8/0x15b0 [19429.179853][ T7704] ip6_route_info_create+0xf18/0x17d0 [19429.179853][ T7704] ip6_route_add+0x1c/0x140 [19429.179853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19429.179853][ T7704] addrconf_add_dev+0xe2/0x170 [19429.179853][ T7704] inet6_addr_add+0x12f/0xa40 [19429.179853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19429.179853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19429.179853][ T7704] netlink_rcv_skb+0x130/0x360 [19429.179853][ T7704] netlink_unicast+0x449/0x710 [19429.179853][ T7704] netlink_sendmsg+0x723/0xbe0 [19429.179853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19429.179853][ T7704] ___sys_sendmsg+0xee/0x170 [19429.179853][ T7704] __sys_sendmsg+0xcd/0x170 [19429.179853][ T7704] do_syscall_64+0xc6/0x1e0 [19429.179853][ T7704] [19429.182046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19429.182046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19429.182046][ T7704] ipv6_find_idev+0x102/0x170 [19429.182046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19429.182046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19429.182046][ T7704] netlink_rcv_skb+0x130/0x360 [19429.182046][ T7704] netlink_unicast+0x449/0x710 [19429.182046][ T7704] netlink_sendmsg+0x723/0xbe0 [19429.182046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19429.182046][ T7704] ___sys_sendmsg+0xee/0x170 [19429.182046][ T7704] __sys_sendmsg+0xcd/0x170 [19429.182046][ T7704] do_syscall_64+0xc6/0x1e0 [19429.182046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19429.182046][ T7704] [19429.183752][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19429.183752][ T7704] neigh_parms_alloc+0x1e5/0x510 [19429.183752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19429.183752][ T7704] ipv6_find_idev+0x102/0x170 [19429.183752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19429.183752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19429.183752][ T7704] netlink_rcv_skb+0x130/0x360 [19429.183752][ T7704] netlink_unicast+0x449/0x710 [19429.183752][ T7704] netlink_sendmsg+0x723/0xbe0 [19429.183752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19429.183752][ T7704] ___sys_sendmsg+0xee/0x170 [19429.183752][ T7704] __sys_sendmsg+0xcd/0x170 [19429.183752][ T7704] do_syscall_64+0xc6/0x1e0 [19429.183752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19429.183752][ T7704] [19439.422934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19439.423407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19439.423407][ T7704] netdev_get_by_index+0x5e/0x80 [19439.423407][ T7704] fib6_nh_init+0x3d8/0x15b0 [19439.423407][ T7704] ip6_route_info_create+0xf18/0x17d0 [19439.423407][ T7704] ip6_route_add+0x1c/0x140 [19439.423407][ T7704] addrconf_prefix_route+0x2a6/0x430 [19439.423407][ T7704] inet6_addr_add+0x4f8/0xa40 [19439.423407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19439.423407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19439.423407][ T7704] netlink_rcv_skb+0x130/0x360 [19439.423407][ T7704] netlink_unicast+0x449/0x710 [19439.423407][ T7704] netlink_sendmsg+0x723/0xbe0 [19439.423407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19439.423407][ T7704] ___sys_sendmsg+0xee/0x170 [19439.423407][ T7704] __sys_sendmsg+0xcd/0x170 [19439.423407][ T7704] do_syscall_64+0xc6/0x1e0 [19439.423407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19439.423407][ T7704] [19439.425642][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19439.425642][ T7704] netdev_get_by_index+0x5e/0x80 [19439.425642][ T7704] fib6_nh_init+0x3d8/0x15b0 [19439.425642][ T7704] ip6_route_info_create+0xf18/0x17d0 [19439.425642][ T7704] addrconf_f6i_alloc+0x315/0x560 [19439.425642][ T7704] ipv6_add_addr+0x411/0x2000 [19439.425642][ T7704] inet6_addr_add+0x30e/0xa40 [19439.425642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19439.425642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19439.425642][ T7704] netlink_rcv_skb+0x130/0x360 [19439.425642][ T7704] netlink_unicast+0x449/0x710 [19439.425642][ T7704] netlink_sendmsg+0x723/0xbe0 [19439.425642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19439.425642][ T7704] ___sys_sendmsg+0xee/0x170 [19439.425642][ T7704] __sys_sendmsg+0xcd/0x170 [19439.425642][ T7704] do_syscall_64+0xc6/0x1e0 [19439.425642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19439.425642][ T7704] [19439.427860][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19439.427860][ T7704] netdev_get_by_index+0x5e/0x80 [19439.427860][ T7704] fib6_nh_init+0x3d8/0x15b0 [19439.427860][ T7704] ip6_route_info_create+0xf18/0x17d0 [19439.427860][ T7704] ip6_route_add+0x1c/0x140 [19439.427860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19439.427860][ T7704] addrconf_add_dev+0xe2/0x170 [19439.427860][ T7704] inet6_addr_add+0x12f/0xa40 [19439.427860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19439.427860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19439.427860][ T7704] netlink_rcv_skb+0x130/0x360 [19439.427860][ T7704] netlink_unicast+0x449/0x710 [19439.427860][ T7704] netlink_sendmsg+0x723/0xbe0 [19439.427860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19439.427860][ T7704] ___sys_sendmsg+0xee/0x170 [19439.427860][ T7704] __sys_sendmsg+0xcd/0x170 [19439.427860][ T7704] do_syscall_64+0xc6/0x1e0 [19439.427860][ T7704] [19439.430067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19439.430067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19439.430067][ T7704] ipv6_find_idev+0x102/0x170 [19439.430067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19439.430067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19439.430067][ T7704] netlink_rcv_skb+0x130/0x360 [19439.430067][ T7704] netlink_unicast+0x449/0x710 [19439.430067][ T7704] netlink_sendmsg+0x723/0xbe0 [19439.430067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19439.430067][ T7704] ___sys_sendmsg+0xee/0x170 [19439.430067][ T7704] __sys_sendmsg+0xcd/0x170 [19439.430067][ T7704] do_syscall_64+0xc6/0x1e0 [19439.430067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19439.430067][ T7704] [19439.431769][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19439.431769][ T7704] neigh_parms_alloc+0x1e5/0x510 [19439.431769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19439.431769][ T7704] ipv6_find_idev+0x102/0x170 [19439.431769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19439.431769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19439.431769][ T7704] netlink_rcv_skb+0x130/0x360 [19439.431769][ T7704] netlink_unicast+0x449/0x710 [19439.431769][ T7704] netlink_sendmsg+0x723/0xbe0 [19439.431769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19439.431769][ T7704] ___sys_sendmsg+0xee/0x170 [19439.431769][ T7704] __sys_sendmsg+0xcd/0x170 [19439.431769][ T7704] do_syscall_64+0xc6/0x1e0 [19439.431769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19439.431769][ T7704] [19449.670952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19449.671429][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19449.671429][ T7704] netdev_get_by_index+0x5e/0x80 [19449.671429][ T7704] fib6_nh_init+0x3d8/0x15b0 [19449.671429][ T7704] ip6_route_info_create+0xf18/0x17d0 [19449.671429][ T7704] ip6_route_add+0x1c/0x140 [19449.671429][ T7704] addrconf_prefix_route+0x2a6/0x430 [19449.671429][ T7704] inet6_addr_add+0x4f8/0xa40 [19449.671429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19449.671429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19449.671429][ T7704] netlink_rcv_skb+0x130/0x360 [19449.671429][ T7704] netlink_unicast+0x449/0x710 [19449.671429][ T7704] netlink_sendmsg+0x723/0xbe0 [19449.671429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19449.671429][ T7704] ___sys_sendmsg+0xee/0x170 [19449.671429][ T7704] __sys_sendmsg+0xcd/0x170 [19449.671429][ T7704] do_syscall_64+0xc6/0x1e0 [19449.671429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19449.671429][ T7704] [19449.673674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19449.673674][ T7704] netdev_get_by_index+0x5e/0x80 [19449.673674][ T7704] fib6_nh_init+0x3d8/0x15b0 [19449.673674][ T7704] ip6_route_info_create+0xf18/0x17d0 [19449.673674][ T7704] addrconf_f6i_alloc+0x315/0x560 [19449.673674][ T7704] ipv6_add_addr+0x411/0x2000 [19449.673674][ T7704] inet6_addr_add+0x30e/0xa40 [19449.673674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19449.673674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19449.673674][ T7704] netlink_rcv_skb+0x130/0x360 [19449.673674][ T7704] netlink_unicast+0x449/0x710 [19449.673674][ T7704] netlink_sendmsg+0x723/0xbe0 [19449.673674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19449.673674][ T7704] ___sys_sendmsg+0xee/0x170 [19449.673674][ T7704] __sys_sendmsg+0xcd/0x170 [19449.673674][ T7704] do_syscall_64+0xc6/0x1e0 [19449.673674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19449.673674][ T7704] [19449.675957][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19449.675957][ T7704] netdev_get_by_index+0x5e/0x80 [19449.675957][ T7704] fib6_nh_init+0x3d8/0x15b0 [19449.675957][ T7704] ip6_route_info_create+0xf18/0x17d0 [19449.675957][ T7704] ip6_route_add+0x1c/0x140 [19449.675957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19449.675957][ T7704] addrconf_add_dev+0xe2/0x170 [19449.675957][ T7704] inet6_addr_add+0x12f/0xa40 [19449.675957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19449.675957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19449.675957][ T7704] netlink_rcv_skb+0x130/0x360 [19449.675957][ T7704] netlink_unicast+0x449/0x710 [19449.675957][ T7704] netlink_sendmsg+0x723/0xbe0 [19449.675957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19449.675957][ T7704] ___sys_sendmsg+0xee/0x170 [19449.675957][ T7704] __sys_sendmsg+0xcd/0x170 [19449.675957][ T7704] do_syscall_64+0xc6/0x1e0 [19449.675957][ T7704] [19449.678192][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19449.678192][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19449.678192][ T7704] ipv6_find_idev+0x102/0x170 [19449.678192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19449.678192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19449.678192][ T7704] netlink_rcv_skb+0x130/0x360 [19449.678192][ T7704] netlink_unicast+0x449/0x710 [19449.678192][ T7704] netlink_sendmsg+0x723/0xbe0 [19449.678192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19449.678192][ T7704] ___sys_sendmsg+0xee/0x170 [19449.678192][ T7704] __sys_sendmsg+0xcd/0x170 [19449.678192][ T7704] do_syscall_64+0xc6/0x1e0 [19449.678192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19449.678192][ T7704] [19449.679958][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19449.679958][ T7704] neigh_parms_alloc+0x1e5/0x510 [19449.679958][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19449.679958][ T7704] ipv6_find_idev+0x102/0x170 [19449.679958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19449.679958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19449.679958][ T7704] netlink_rcv_skb+0x130/0x360 [19449.679958][ T7704] netlink_unicast+0x449/0x710 [19449.679958][ T7704] netlink_sendmsg+0x723/0xbe0 [19449.679958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19449.679958][ T7704] ___sys_sendmsg+0xee/0x170 [19449.679958][ T7704] __sys_sendmsg+0xcd/0x170 [19449.679958][ T7704] do_syscall_64+0xc6/0x1e0 [19449.679958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19449.679958][ T7704] [19459.702944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19459.703442][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19459.703442][ T7704] netdev_get_by_index+0x5e/0x80 [19459.703442][ T7704] fib6_nh_init+0x3d8/0x15b0 [19459.703442][ T7704] ip6_route_info_create+0xf18/0x17d0 [19459.703442][ T7704] ip6_route_add+0x1c/0x140 [19459.703442][ T7704] addrconf_prefix_route+0x2a6/0x430 [19459.703442][ T7704] inet6_addr_add+0x4f8/0xa40 [19459.703442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19459.703442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19459.703442][ T7704] netlink_rcv_skb+0x130/0x360 [19459.703442][ T7704] netlink_unicast+0x449/0x710 [19459.703442][ T7704] netlink_sendmsg+0x723/0xbe0 [19459.703442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19459.703442][ T7704] ___sys_sendmsg+0xee/0x170 [19459.703442][ T7704] __sys_sendmsg+0xcd/0x170 [19459.703442][ T7704] do_syscall_64+0xc6/0x1e0 [19459.703442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19459.703442][ T7704] [19459.706253][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19459.706253][ T7704] netdev_get_by_index+0x5e/0x80 [19459.706253][ T7704] fib6_nh_init+0x3d8/0x15b0 [19459.706253][ T7704] ip6_route_info_create+0xf18/0x17d0 [19459.706253][ T7704] addrconf_f6i_alloc+0x315/0x560 [19459.706253][ T7704] ipv6_add_addr+0x411/0x2000 [19459.706253][ T7704] inet6_addr_add+0x30e/0xa40 [19459.706253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19459.706253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19459.706253][ T7704] netlink_rcv_skb+0x130/0x360 [19459.706253][ T7704] netlink_unicast+0x449/0x710 [19459.706253][ T7704] netlink_sendmsg+0x723/0xbe0 [19459.706253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19459.706253][ T7704] ___sys_sendmsg+0xee/0x170 [19459.706253][ T7704] __sys_sendmsg+0xcd/0x170 [19459.706253][ T7704] do_syscall_64+0xc6/0x1e0 [19459.706253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19459.706253][ T7704] [19459.708532][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19459.708532][ T7704] netdev_get_by_index+0x5e/0x80 [19459.708532][ T7704] fib6_nh_init+0x3d8/0x15b0 [19459.708532][ T7704] ip6_route_info_create+0xf18/0x17d0 [19459.708532][ T7704] ip6_route_add+0x1c/0x140 [19459.708532][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19459.708532][ T7704] addrconf_add_dev+0xe2/0x170 [19459.708532][ T7704] inet6_addr_add+0x12f/0xa40 [19459.708532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19459.708532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19459.708532][ T7704] netlink_rcv_skb+0x130/0x360 [19459.708532][ T7704] netlink_unicast+0x449/0x710 [19459.708532][ T7704] netlink_sendmsg+0x723/0xbe0 [19459.708532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19459.708532][ T7704] ___sys_sendmsg+0xee/0x170 [19459.708532][ T7704] __sys_sendmsg+0xcd/0x170 [19459.708532][ T7704] do_syscall_64+0xc6/0x1e0 [19459.708532][ T7704] [19459.710770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19459.710770][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19459.710770][ T7704] ipv6_find_idev+0x102/0x170 [19459.710770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19459.710770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19459.710770][ T7704] netlink_rcv_skb+0x130/0x360 [19459.710770][ T7704] netlink_unicast+0x449/0x710 [19459.710770][ T7704] netlink_sendmsg+0x723/0xbe0 [19459.710770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19459.710770][ T7704] ___sys_sendmsg+0xee/0x170 [19459.710770][ T7704] __sys_sendmsg+0xcd/0x170 [19459.710770][ T7704] do_syscall_64+0xc6/0x1e0 [19459.710770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19459.710770][ T7704] [19459.712518][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19459.712518][ T7704] neigh_parms_alloc+0x1e5/0x510 [19459.712518][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19459.712518][ T7704] ipv6_find_idev+0x102/0x170 [19459.712518][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19459.712518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19459.712518][ T7704] netlink_rcv_skb+0x130/0x360 [19459.712518][ T7704] netlink_unicast+0x449/0x710 [19459.712518][ T7704] netlink_sendmsg+0x723/0xbe0 [19459.712518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19459.712518][ T7704] ___sys_sendmsg+0xee/0x170 [19459.712518][ T7704] __sys_sendmsg+0xcd/0x170 [19459.712518][ T7704] do_syscall_64+0xc6/0x1e0 [19459.712518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19459.712518][ T7704] [19469.950879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19469.951373][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19469.951373][ T7704] netdev_get_by_index+0x5e/0x80 [19469.951373][ T7704] fib6_nh_init+0x3d8/0x15b0 [19469.951373][ T7704] ip6_route_info_create+0xf18/0x17d0 [19469.951373][ T7704] ip6_route_add+0x1c/0x140 [19469.951373][ T7704] addrconf_prefix_route+0x2a6/0x430 [19469.951373][ T7704] inet6_addr_add+0x4f8/0xa40 [19469.951373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19469.951373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19469.951373][ T7704] netlink_rcv_skb+0x130/0x360 [19469.951373][ T7704] netlink_unicast+0x449/0x710 [19469.951373][ T7704] netlink_sendmsg+0x723/0xbe0 [19469.951373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19469.951373][ T7704] ___sys_sendmsg+0xee/0x170 [19469.951373][ T7704] __sys_sendmsg+0xcd/0x170 [19469.951373][ T7704] do_syscall_64+0xc6/0x1e0 [19469.951373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19469.951373][ T7704] [19469.953675][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19469.953675][ T7704] netdev_get_by_index+0x5e/0x80 [19469.953675][ T7704] fib6_nh_init+0x3d8/0x15b0 [19469.953675][ T7704] ip6_route_info_create+0xf18/0x17d0 [19469.953675][ T7704] addrconf_f6i_alloc+0x315/0x560 [19469.953675][ T7704] ipv6_add_addr+0x411/0x2000 [19469.953675][ T7704] inet6_addr_add+0x30e/0xa40 [19469.953675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19469.953675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19469.953675][ T7704] netlink_rcv_skb+0x130/0x360 [19469.953675][ T7704] netlink_unicast+0x449/0x710 [19469.953675][ T7704] netlink_sendmsg+0x723/0xbe0 [19469.953675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19469.953675][ T7704] ___sys_sendmsg+0xee/0x170 [19469.953675][ T7704] __sys_sendmsg+0xcd/0x170 [19469.953675][ T7704] do_syscall_64+0xc6/0x1e0 [19469.953675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19469.953675][ T7704] [19469.955955][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19469.955955][ T7704] netdev_get_by_index+0x5e/0x80 [19469.955955][ T7704] fib6_nh_init+0x3d8/0x15b0 [19469.955955][ T7704] ip6_route_info_create+0xf18/0x17d0 [19469.955955][ T7704] ip6_route_add+0x1c/0x140 [19469.955955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19469.955955][ T7704] addrconf_add_dev+0xe2/0x170 [19469.955955][ T7704] inet6_addr_add+0x12f/0xa40 [19469.955955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19469.955955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19469.955955][ T7704] netlink_rcv_skb+0x130/0x360 [19469.955955][ T7704] netlink_unicast+0x449/0x710 [19469.955955][ T7704] netlink_sendmsg+0x723/0xbe0 [19469.955955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19469.955955][ T7704] ___sys_sendmsg+0xee/0x170 [19469.955955][ T7704] __sys_sendmsg+0xcd/0x170 [19469.955955][ T7704] do_syscall_64+0xc6/0x1e0 [19469.955955][ T7704] [19469.958582][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19469.958582][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19469.958582][ T7704] ipv6_find_idev+0x102/0x170 [19469.958582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19469.958582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19469.958582][ T7704] netlink_rcv_skb+0x130/0x360 [19469.958582][ T7704] netlink_unicast+0x449/0x710 [19469.958582][ T7704] netlink_sendmsg+0x723/0xbe0 [19469.958582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19469.958582][ T7704] ___sys_sendmsg+0xee/0x170 [19469.958582][ T7704] __sys_sendmsg+0xcd/0x170 [19469.958582][ T7704] do_syscall_64+0xc6/0x1e0 [19469.958582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19469.958582][ T7704] [19469.960346][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19469.960346][ T7704] neigh_parms_alloc+0x1e5/0x510 [19469.960346][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19469.960346][ T7704] ipv6_find_idev+0x102/0x170 [19469.960346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19469.960346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19469.960346][ T7704] netlink_rcv_skb+0x130/0x360 [19469.960346][ T7704] netlink_unicast+0x449/0x710 [19469.960346][ T7704] netlink_sendmsg+0x723/0xbe0 [19469.960346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19469.960346][ T7704] ___sys_sendmsg+0xee/0x170 [19469.960346][ T7704] __sys_sendmsg+0xcd/0x170 [19469.960346][ T7704] do_syscall_64+0xc6/0x1e0 [19469.960346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19469.960346][ T7704] [19480.198972][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19480.199461][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19480.199461][ T7704] netdev_get_by_index+0x5e/0x80 [19480.199461][ T7704] fib6_nh_init+0x3d8/0x15b0 [19480.199461][ T7704] ip6_route_info_create+0xf18/0x17d0 [19480.199461][ T7704] ip6_route_add+0x1c/0x140 [19480.199461][ T7704] addrconf_prefix_route+0x2a6/0x430 [19480.199461][ T7704] inet6_addr_add+0x4f8/0xa40 [19480.199461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19480.199461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19480.199461][ T7704] netlink_rcv_skb+0x130/0x360 [19480.199461][ T7704] netlink_unicast+0x449/0x710 [19480.199461][ T7704] netlink_sendmsg+0x723/0xbe0 [19480.199461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19480.199461][ T7704] ___sys_sendmsg+0xee/0x170 [19480.199461][ T7704] __sys_sendmsg+0xcd/0x170 [19480.199461][ T7704] do_syscall_64+0xc6/0x1e0 [19480.199461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19480.199461][ T7704] [19480.201778][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19480.201778][ T7704] netdev_get_by_index+0x5e/0x80 [19480.201778][ T7704] fib6_nh_init+0x3d8/0x15b0 [19480.201778][ T7704] ip6_route_info_create+0xf18/0x17d0 [19480.201778][ T7704] addrconf_f6i_alloc+0x315/0x560 [19480.201778][ T7704] ipv6_add_addr+0x411/0x2000 [19480.201778][ T7704] inet6_addr_add+0x30e/0xa40 [19480.201778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19480.201778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19480.201778][ T7704] netlink_rcv_skb+0x130/0x360 [19480.201778][ T7704] netlink_unicast+0x449/0x710 [19480.201778][ T7704] netlink_sendmsg+0x723/0xbe0 [19480.201778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19480.201778][ T7704] ___sys_sendmsg+0xee/0x170 [19480.201778][ T7704] __sys_sendmsg+0xcd/0x170 [19480.201778][ T7704] do_syscall_64+0xc6/0x1e0 [19480.201778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19480.201778][ T7704] [19480.204062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19480.204062][ T7704] netdev_get_by_index+0x5e/0x80 [19480.204062][ T7704] fib6_nh_init+0x3d8/0x15b0 [19480.204062][ T7704] ip6_route_info_create+0xf18/0x17d0 [19480.204062][ T7704] ip6_route_add+0x1c/0x140 [19480.204062][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19480.204062][ T7704] addrconf_add_dev+0xe2/0x170 [19480.204062][ T7704] inet6_addr_add+0x12f/0xa40 [19480.204062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19480.204062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19480.204062][ T7704] netlink_rcv_skb+0x130/0x360 [19480.204062][ T7704] netlink_unicast+0x449/0x710 [19480.204062][ T7704] netlink_sendmsg+0x723/0xbe0 [19480.204062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19480.204062][ T7704] ___sys_sendmsg+0xee/0x170 [19480.204062][ T7704] __sys_sendmsg+0xcd/0x170 [19480.204062][ T7704] do_syscall_64+0xc6/0x1e0 [19480.204062][ T7704] [19480.206308][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19480.206308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19480.206308][ T7704] ipv6_find_idev+0x102/0x170 [19480.206308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19480.206308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19480.206308][ T7704] netlink_rcv_skb+0x130/0x360 [19480.206308][ T7704] netlink_unicast+0x449/0x710 [19480.206308][ T7704] netlink_sendmsg+0x723/0xbe0 [19480.206308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19480.206308][ T7704] ___sys_sendmsg+0xee/0x170 [19480.206308][ T7704] __sys_sendmsg+0xcd/0x170 [19480.206308][ T7704] do_syscall_64+0xc6/0x1e0 [19480.206308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19480.206308][ T7704] [19480.208062][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19480.208062][ T7704] neigh_parms_alloc+0x1e5/0x510 [19480.208062][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19480.208062][ T7704] ipv6_find_idev+0x102/0x170 [19480.208062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19480.208062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19480.208062][ T7704] netlink_rcv_skb+0x130/0x360 [19480.208062][ T7704] netlink_unicast+0x449/0x710 [19480.208062][ T7704] netlink_sendmsg+0x723/0xbe0 [19480.208062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19480.208062][ T7704] ___sys_sendmsg+0xee/0x170 [19480.208062][ T7704] __sys_sendmsg+0xcd/0x170 [19480.208062][ T7704] do_syscall_64+0xc6/0x1e0 [19480.208062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19480.208062][ T7704] [19490.382870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19490.383323][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19490.383323][ T7704] netdev_get_by_index+0x5e/0x80 [19490.383323][ T7704] fib6_nh_init+0x3d8/0x15b0 [19490.383323][ T7704] ip6_route_info_create+0xf18/0x17d0 [19490.383323][ T7704] ip6_route_add+0x1c/0x140 [19490.383323][ T7704] addrconf_prefix_route+0x2a6/0x430 [19490.383323][ T7704] inet6_addr_add+0x4f8/0xa40 [19490.383323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19490.383323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19490.383323][ T7704] netlink_rcv_skb+0x130/0x360 [19490.383323][ T7704] netlink_unicast+0x449/0x710 [19490.383323][ T7704] netlink_sendmsg+0x723/0xbe0 [19490.383323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19490.383323][ T7704] ___sys_sendmsg+0xee/0x170 [19490.383323][ T7704] __sys_sendmsg+0xcd/0x170 [19490.383323][ T7704] do_syscall_64+0xc6/0x1e0 [19490.383323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19490.383323][ T7704] [19490.385660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19490.385660][ T7704] netdev_get_by_index+0x5e/0x80 [19490.385660][ T7704] fib6_nh_init+0x3d8/0x15b0 [19490.385660][ T7704] ip6_route_info_create+0xf18/0x17d0 [19490.385660][ T7704] addrconf_f6i_alloc+0x315/0x560 [19490.385660][ T7704] ipv6_add_addr+0x411/0x2000 [19490.385660][ T7704] inet6_addr_add+0x30e/0xa40 [19490.385660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19490.385660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19490.385660][ T7704] netlink_rcv_skb+0x130/0x360 [19490.385660][ T7704] netlink_unicast+0x449/0x710 [19490.385660][ T7704] netlink_sendmsg+0x723/0xbe0 [19490.385660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19490.385660][ T7704] ___sys_sendmsg+0xee/0x170 [19490.385660][ T7704] __sys_sendmsg+0xcd/0x170 [19490.385660][ T7704] do_syscall_64+0xc6/0x1e0 [19490.385660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19490.385660][ T7704] [19490.387926][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19490.387926][ T7704] netdev_get_by_index+0x5e/0x80 [19490.387926][ T7704] fib6_nh_init+0x3d8/0x15b0 [19490.387926][ T7704] ip6_route_info_create+0xf18/0x17d0 [19490.387926][ T7704] ip6_route_add+0x1c/0x140 [19490.387926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19490.387926][ T7704] addrconf_add_dev+0xe2/0x170 [19490.387926][ T7704] inet6_addr_add+0x12f/0xa40 [19490.387926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19490.387926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19490.387926][ T7704] netlink_rcv_skb+0x130/0x360 [19490.387926][ T7704] netlink_unicast+0x449/0x710 [19490.387926][ T7704] netlink_sendmsg+0x723/0xbe0 [19490.387926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19490.387926][ T7704] ___sys_sendmsg+0xee/0x170 [19490.387926][ T7704] __sys_sendmsg+0xcd/0x170 [19490.387926][ T7704] do_syscall_64+0xc6/0x1e0 [19490.387926][ T7704] [19490.390181][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19490.390181][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19490.390181][ T7704] ipv6_find_idev+0x102/0x170 [19490.390181][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19490.390181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19490.390181][ T7704] netlink_rcv_skb+0x130/0x360 [19490.390181][ T7704] netlink_unicast+0x449/0x710 [19490.390181][ T7704] netlink_sendmsg+0x723/0xbe0 [19490.390181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19490.390181][ T7704] ___sys_sendmsg+0xee/0x170 [19490.390181][ T7704] __sys_sendmsg+0xcd/0x170 [19490.390181][ T7704] do_syscall_64+0xc6/0x1e0 [19490.390181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19490.390181][ T7704] [19490.391959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19490.391959][ T7704] neigh_parms_alloc+0x1e5/0x510 [19490.391959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19490.391959][ T7704] ipv6_find_idev+0x102/0x170 [19490.391959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19490.391959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19490.391959][ T7704] netlink_rcv_skb+0x130/0x360 [19490.391959][ T7704] netlink_unicast+0x449/0x710 [19490.391959][ T7704] netlink_sendmsg+0x723/0xbe0 [19490.391959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19490.391959][ T7704] ___sys_sendmsg+0xee/0x170 [19490.391959][ T7704] __sys_sendmsg+0xcd/0x170 [19490.391959][ T7704] do_syscall_64+0xc6/0x1e0 [19490.391959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19490.391959][ T7704] [19500.630870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19500.631376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19500.631376][ T7704] netdev_get_by_index+0x5e/0x80 [19500.631376][ T7704] fib6_nh_init+0x3d8/0x15b0 [19500.631376][ T7704] ip6_route_info_create+0xf18/0x17d0 [19500.631376][ T7704] ip6_route_add+0x1c/0x140 [19500.631376][ T7704] addrconf_prefix_route+0x2a6/0x430 [19500.631376][ T7704] inet6_addr_add+0x4f8/0xa40 [19500.631376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19500.631376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19500.631376][ T7704] netlink_rcv_skb+0x130/0x360 [19500.631376][ T7704] netlink_unicast+0x449/0x710 [19500.631376][ T7704] netlink_sendmsg+0x723/0xbe0 [19500.631376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19500.631376][ T7704] ___sys_sendmsg+0xee/0x170 [19500.631376][ T7704] __sys_sendmsg+0xcd/0x170 [19500.631376][ T7704] do_syscall_64+0xc6/0x1e0 [19500.631376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19500.631376][ T7704] [19500.633707][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19500.633707][ T7704] netdev_get_by_index+0x5e/0x80 [19500.633707][ T7704] fib6_nh_init+0x3d8/0x15b0 [19500.633707][ T7704] ip6_route_info_create+0xf18/0x17d0 [19500.633707][ T7704] addrconf_f6i_alloc+0x315/0x560 [19500.633707][ T7704] ipv6_add_addr+0x411/0x2000 [19500.633707][ T7704] inet6_addr_add+0x30e/0xa40 [19500.633707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19500.633707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19500.633707][ T7704] netlink_rcv_skb+0x130/0x360 [19500.633707][ T7704] netlink_unicast+0x449/0x710 [19500.633707][ T7704] netlink_sendmsg+0x723/0xbe0 [19500.633707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19500.633707][ T7704] ___sys_sendmsg+0xee/0x170 [19500.633707][ T7704] __sys_sendmsg+0xcd/0x170 [19500.633707][ T7704] do_syscall_64+0xc6/0x1e0 [19500.633707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19500.633707][ T7704] [19500.636032][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19500.636032][ T7704] netdev_get_by_index+0x5e/0x80 [19500.636032][ T7704] fib6_nh_init+0x3d8/0x15b0 [19500.636032][ T7704] ip6_route_info_create+0xf18/0x17d0 [19500.636032][ T7704] ip6_route_add+0x1c/0x140 [19500.636032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19500.636032][ T7704] addrconf_add_dev+0xe2/0x170 [19500.636032][ T7704] inet6_addr_add+0x12f/0xa40 [19500.636032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19500.636032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19500.636032][ T7704] netlink_rcv_skb+0x130/0x360 [19500.636032][ T7704] netlink_unicast+0x449/0x710 [19500.636032][ T7704] netlink_sendmsg+0x723/0xbe0 [19500.636032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19500.636032][ T7704] ___sys_sendmsg+0xee/0x170 [19500.636032][ T7704] __sys_sendmsg+0xcd/0x170 [19500.636032][ T7704] do_syscall_64+0xc6/0x1e0 [19500.636032][ T7704] [19500.638315][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19500.638315][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19500.638315][ T7704] ipv6_find_idev+0x102/0x170 [19500.638315][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19500.638315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19500.638315][ T7704] netlink_rcv_skb+0x130/0x360 [19500.638315][ T7704] netlink_unicast+0x449/0x710 [19500.638315][ T7704] netlink_sendmsg+0x723/0xbe0 [19500.638315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19500.638315][ T7704] ___sys_sendmsg+0xee/0x170 [19500.638315][ T7704] __sys_sendmsg+0xcd/0x170 [19500.638315][ T7704] do_syscall_64+0xc6/0x1e0 [19500.638315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19500.638315][ T7704] [19500.640114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19500.640114][ T7704] neigh_parms_alloc+0x1e5/0x510 [19500.640114][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19500.640114][ T7704] ipv6_find_idev+0x102/0x170 [19500.640114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19500.640114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19500.640114][ T7704] netlink_rcv_skb+0x130/0x360 [19500.640114][ T7704] netlink_unicast+0x449/0x710 [19500.640114][ T7704] netlink_sendmsg+0x723/0xbe0 [19500.640114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19500.640114][ T7704] ___sys_sendmsg+0xee/0x170 [19500.640114][ T7704] __sys_sendmsg+0xcd/0x170 [19500.640114][ T7704] do_syscall_64+0xc6/0x1e0 [19500.640114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19500.640114][ T7704] [19510.878869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19510.879374][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19510.879374][ T7704] netdev_get_by_index+0x5e/0x80 [19510.879374][ T7704] fib6_nh_init+0x3d8/0x15b0 [19510.879374][ T7704] ip6_route_info_create+0xf18/0x17d0 [19510.879374][ T7704] ip6_route_add+0x1c/0x140 [19510.879374][ T7704] addrconf_prefix_route+0x2a6/0x430 [19510.879374][ T7704] inet6_addr_add+0x4f8/0xa40 [19510.879374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19510.879374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19510.879374][ T7704] netlink_rcv_skb+0x130/0x360 [19510.879374][ T7704] netlink_unicast+0x449/0x710 [19510.879374][ T7704] netlink_sendmsg+0x723/0xbe0 [19510.879374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19510.879374][ T7704] ___sys_sendmsg+0xee/0x170 [19510.879374][ T7704] __sys_sendmsg+0xcd/0x170 [19510.879374][ T7704] do_syscall_64+0xc6/0x1e0 [19510.879374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19510.879374][ T7704] [19510.881728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19510.881728][ T7704] netdev_get_by_index+0x5e/0x80 [19510.881728][ T7704] fib6_nh_init+0x3d8/0x15b0 [19510.881728][ T7704] ip6_route_info_create+0xf18/0x17d0 [19510.881728][ T7704] addrconf_f6i_alloc+0x315/0x560 [19510.881728][ T7704] ipv6_add_addr+0x411/0x2000 [19510.881728][ T7704] inet6_addr_add+0x30e/0xa40 [19510.881728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19510.881728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19510.881728][ T7704] netlink_rcv_skb+0x130/0x360 [19510.881728][ T7704] netlink_unicast+0x449/0x710 [19510.881728][ T7704] netlink_sendmsg+0x723/0xbe0 [19510.881728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19510.881728][ T7704] ___sys_sendmsg+0xee/0x170 [19510.881728][ T7704] __sys_sendmsg+0xcd/0x170 [19510.881728][ T7704] do_syscall_64+0xc6/0x1e0 [19510.881728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19510.881728][ T7704] [19510.884055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19510.884055][ T7704] netdev_get_by_index+0x5e/0x80 [19510.884055][ T7704] fib6_nh_init+0x3d8/0x15b0 [19510.884055][ T7704] ip6_route_info_create+0xf18/0x17d0 [19510.884055][ T7704] ip6_route_add+0x1c/0x140 [19510.884055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19510.884055][ T7704] addrconf_add_dev+0xe2/0x170 [19510.884055][ T7704] inet6_addr_add+0x12f/0xa40 [19510.884055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19510.884055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19510.884055][ T7704] netlink_rcv_skb+0x130/0x360 [19510.884055][ T7704] netlink_unicast+0x449/0x710 [19510.884055][ T7704] netlink_sendmsg+0x723/0xbe0 [19510.884055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19510.884055][ T7704] ___sys_sendmsg+0xee/0x170 [19510.884055][ T7704] __sys_sendmsg+0xcd/0x170 [19510.884055][ T7704] do_syscall_64+0xc6/0x1e0 [19510.884055][ T7704] [19510.886334][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19510.886334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19510.886334][ T7704] ipv6_find_idev+0x102/0x170 [19510.886334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19510.886334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19510.886334][ T7704] netlink_rcv_skb+0x130/0x360 [19510.886334][ T7704] netlink_unicast+0x449/0x710 [19510.886334][ T7704] netlink_sendmsg+0x723/0xbe0 [19510.886334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19510.886334][ T7704] ___sys_sendmsg+0xee/0x170 [19510.886334][ T7704] __sys_sendmsg+0xcd/0x170 [19510.886334][ T7704] do_syscall_64+0xc6/0x1e0 [19510.886334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19510.886334][ T7704] [19510.888115][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19510.888115][ T7704] neigh_parms_alloc+0x1e5/0x510 [19510.888115][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19510.888115][ T7704] ipv6_find_idev+0x102/0x170 [19510.888115][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19510.888115][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19510.888115][ T7704] netlink_rcv_skb+0x130/0x360 [19510.888115][ T7704] netlink_unicast+0x449/0x710 [19510.888115][ T7704] netlink_sendmsg+0x723/0xbe0 [19510.888115][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19510.888115][ T7704] ___sys_sendmsg+0xee/0x170 [19510.888115][ T7704] __sys_sendmsg+0xcd/0x170 [19510.888115][ T7704] do_syscall_64+0xc6/0x1e0 [19510.888115][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19510.888115][ T7704] [19521.126929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19521.127415][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19521.127415][ T7704] netdev_get_by_index+0x5e/0x80 [19521.127415][ T7704] fib6_nh_init+0x3d8/0x15b0 [19521.127415][ T7704] ip6_route_info_create+0xf18/0x17d0 [19521.127415][ T7704] ip6_route_add+0x1c/0x140 [19521.127415][ T7704] addrconf_prefix_route+0x2a6/0x430 [19521.127415][ T7704] inet6_addr_add+0x4f8/0xa40 [19521.127415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19521.127415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19521.127415][ T7704] netlink_rcv_skb+0x130/0x360 [19521.127415][ T7704] netlink_unicast+0x449/0x710 [19521.127415][ T7704] netlink_sendmsg+0x723/0xbe0 [19521.127415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19521.127415][ T7704] ___sys_sendmsg+0xee/0x170 [19521.127415][ T7704] __sys_sendmsg+0xcd/0x170 [19521.127415][ T7704] do_syscall_64+0xc6/0x1e0 [19521.127415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19521.127415][ T7704] [19521.129728][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19521.129728][ T7704] netdev_get_by_index+0x5e/0x80 [19521.129728][ T7704] fib6_nh_init+0x3d8/0x15b0 [19521.129728][ T7704] ip6_route_info_create+0xf18/0x17d0 [19521.129728][ T7704] addrconf_f6i_alloc+0x315/0x560 [19521.129728][ T7704] ipv6_add_addr+0x411/0x2000 [19521.129728][ T7704] inet6_addr_add+0x30e/0xa40 [19521.129728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19521.129728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19521.129728][ T7704] netlink_rcv_skb+0x130/0x360 [19521.129728][ T7704] netlink_unicast+0x449/0x710 [19521.129728][ T7704] netlink_sendmsg+0x723/0xbe0 [19521.129728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19521.129728][ T7704] ___sys_sendmsg+0xee/0x170 [19521.129728][ T7704] __sys_sendmsg+0xcd/0x170 [19521.129728][ T7704] do_syscall_64+0xc6/0x1e0 [19521.129728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19521.129728][ T7704] [19521.131997][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19521.131997][ T7704] netdev_get_by_index+0x5e/0x80 [19521.131997][ T7704] fib6_nh_init+0x3d8/0x15b0 [19521.131997][ T7704] ip6_route_info_create+0xf18/0x17d0 [19521.131997][ T7704] ip6_route_add+0x1c/0x140 [19521.131997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19521.131997][ T7704] addrconf_add_dev+0xe2/0x170 [19521.131997][ T7704] inet6_addr_add+0x12f/0xa40 [19521.131997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19521.131997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19521.131997][ T7704] netlink_rcv_skb+0x130/0x360 [19521.131997][ T7704] netlink_unicast+0x449/0x710 [19521.131997][ T7704] netlink_sendmsg+0x723/0xbe0 [19521.131997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19521.131997][ T7704] ___sys_sendmsg+0xee/0x170 [19521.131997][ T7704] __sys_sendmsg+0xcd/0x170 [19521.131997][ T7704] do_syscall_64+0xc6/0x1e0 [19521.131997][ T7704] [19521.134232][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19521.134232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19521.134232][ T7704] ipv6_find_idev+0x102/0x170 [19521.134232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19521.134232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19521.134232][ T7704] netlink_rcv_skb+0x130/0x360 [19521.134232][ T7704] netlink_unicast+0x449/0x710 [19521.134232][ T7704] netlink_sendmsg+0x723/0xbe0 [19521.134232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19521.134232][ T7704] ___sys_sendmsg+0xee/0x170 [19521.134232][ T7704] __sys_sendmsg+0xcd/0x170 [19521.134232][ T7704] do_syscall_64+0xc6/0x1e0 [19521.134232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19521.134232][ T7704] [19521.135981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19521.135981][ T7704] neigh_parms_alloc+0x1e5/0x510 [19521.135981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19521.135981][ T7704] ipv6_find_idev+0x102/0x170 [19521.135981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19521.135981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19521.135981][ T7704] netlink_rcv_skb+0x130/0x360 [19521.135981][ T7704] netlink_unicast+0x449/0x710 [19521.135981][ T7704] netlink_sendmsg+0x723/0xbe0 [19521.135981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19521.135981][ T7704] ___sys_sendmsg+0xee/0x170 [19521.135981][ T7704] __sys_sendmsg+0xcd/0x170 [19521.135981][ T7704] do_syscall_64+0xc6/0x1e0 [19521.135981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19521.135981][ T7704] [19531.374942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19531.375365][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19531.375365][ T7704] netdev_get_by_index+0x5e/0x80 [19531.375365][ T7704] fib6_nh_init+0x3d8/0x15b0 [19531.375365][ T7704] ip6_route_info_create+0xf18/0x17d0 [19531.375365][ T7704] ip6_route_add+0x1c/0x140 [19531.375365][ T7704] addrconf_prefix_route+0x2a6/0x430 [19531.375365][ T7704] inet6_addr_add+0x4f8/0xa40 [19531.375365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19531.375365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19531.375365][ T7704] netlink_rcv_skb+0x130/0x360 [19531.375365][ T7704] netlink_unicast+0x449/0x710 [19531.375365][ T7704] netlink_sendmsg+0x723/0xbe0 [19531.375365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19531.375365][ T7704] ___sys_sendmsg+0xee/0x170 [19531.375365][ T7704] __sys_sendmsg+0xcd/0x170 [19531.375365][ T7704] do_syscall_64+0xc6/0x1e0 [19531.375365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19531.375365][ T7704] [19531.377649][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19531.377649][ T7704] netdev_get_by_index+0x5e/0x80 [19531.377649][ T7704] fib6_nh_init+0x3d8/0x15b0 [19531.377649][ T7704] ip6_route_info_create+0xf18/0x17d0 [19531.377649][ T7704] addrconf_f6i_alloc+0x315/0x560 [19531.377649][ T7704] ipv6_add_addr+0x411/0x2000 [19531.377649][ T7704] inet6_addr_add+0x30e/0xa40 [19531.377649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19531.377649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19531.377649][ T7704] netlink_rcv_skb+0x130/0x360 [19531.377649][ T7704] netlink_unicast+0x449/0x710 [19531.377649][ T7704] netlink_sendmsg+0x723/0xbe0 [19531.377649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19531.377649][ T7704] ___sys_sendmsg+0xee/0x170 [19531.377649][ T7704] __sys_sendmsg+0xcd/0x170 [19531.377649][ T7704] do_syscall_64+0xc6/0x1e0 [19531.377649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19531.377649][ T7704] [19531.379923][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19531.379923][ T7704] netdev_get_by_index+0x5e/0x80 [19531.379923][ T7704] fib6_nh_init+0x3d8/0x15b0 [19531.379923][ T7704] ip6_route_info_create+0xf18/0x17d0 [19531.379923][ T7704] ip6_route_add+0x1c/0x140 [19531.379923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19531.379923][ T7704] addrconf_add_dev+0xe2/0x170 [19531.379923][ T7704] inet6_addr_add+0x12f/0xa40 [19531.379923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19531.379923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19531.379923][ T7704] netlink_rcv_skb+0x130/0x360 [19531.379923][ T7704] netlink_unicast+0x449/0x710 [19531.379923][ T7704] netlink_sendmsg+0x723/0xbe0 [19531.379923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19531.379923][ T7704] ___sys_sendmsg+0xee/0x170 [19531.379923][ T7704] __sys_sendmsg+0xcd/0x170 [19531.379923][ T7704] do_syscall_64+0xc6/0x1e0 [19531.379923][ T7704] [19531.382150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19531.382150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19531.382150][ T7704] ipv6_find_idev+0x102/0x170 [19531.382150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19531.382150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19531.382150][ T7704] netlink_rcv_skb+0x130/0x360 [19531.382150][ T7704] netlink_unicast+0x449/0x710 [19531.382150][ T7704] netlink_sendmsg+0x723/0xbe0 [19531.382150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19531.382150][ T7704] ___sys_sendmsg+0xee/0x170 [19531.382150][ T7704] __sys_sendmsg+0xcd/0x170 [19531.382150][ T7704] do_syscall_64+0xc6/0x1e0 [19531.382150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19531.382150][ T7704] [19531.383906][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19531.383906][ T7704] neigh_parms_alloc+0x1e5/0x510 [19531.383906][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19531.383906][ T7704] ipv6_find_idev+0x102/0x170 [19531.383906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19531.383906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19531.383906][ T7704] netlink_rcv_skb+0x130/0x360 [19531.383906][ T7704] netlink_unicast+0x449/0x710 [19531.383906][ T7704] netlink_sendmsg+0x723/0xbe0 [19531.383906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19531.383906][ T7704] ___sys_sendmsg+0xee/0x170 [19531.383906][ T7704] __sys_sendmsg+0xcd/0x170 [19531.383906][ T7704] do_syscall_64+0xc6/0x1e0 [19531.383906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19531.383906][ T7704] [19541.622932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19541.623409][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19541.623409][ T7704] netdev_get_by_index+0x5e/0x80 [19541.623409][ T7704] fib6_nh_init+0x3d8/0x15b0 [19541.623409][ T7704] ip6_route_info_create+0xf18/0x17d0 [19541.623409][ T7704] ip6_route_add+0x1c/0x140 [19541.623409][ T7704] addrconf_prefix_route+0x2a6/0x430 [19541.623409][ T7704] inet6_addr_add+0x4f8/0xa40 [19541.623409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19541.623409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19541.623409][ T7704] netlink_rcv_skb+0x130/0x360 [19541.623409][ T7704] netlink_unicast+0x449/0x710 [19541.623409][ T7704] netlink_sendmsg+0x723/0xbe0 [19541.623409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19541.623409][ T7704] ___sys_sendmsg+0xee/0x170 [19541.623409][ T7704] __sys_sendmsg+0xcd/0x170 [19541.623409][ T7704] do_syscall_64+0xc6/0x1e0 [19541.623409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19541.623409][ T7704] [19541.625712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19541.625712][ T7704] netdev_get_by_index+0x5e/0x80 [19541.625712][ T7704] fib6_nh_init+0x3d8/0x15b0 [19541.625712][ T7704] ip6_route_info_create+0xf18/0x17d0 [19541.625712][ T7704] addrconf_f6i_alloc+0x315/0x560 [19541.625712][ T7704] ipv6_add_addr+0x411/0x2000 [19541.625712][ T7704] inet6_addr_add+0x30e/0xa40 [19541.625712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19541.625712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19541.625712][ T7704] netlink_rcv_skb+0x130/0x360 [19541.625712][ T7704] netlink_unicast+0x449/0x710 [19541.625712][ T7704] netlink_sendmsg+0x723/0xbe0 [19541.625712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19541.625712][ T7704] ___sys_sendmsg+0xee/0x170 [19541.625712][ T7704] __sys_sendmsg+0xcd/0x170 [19541.625712][ T7704] do_syscall_64+0xc6/0x1e0 [19541.625712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19541.625712][ T7704] [19541.627977][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19541.627977][ T7704] netdev_get_by_index+0x5e/0x80 [19541.627977][ T7704] fib6_nh_init+0x3d8/0x15b0 [19541.627977][ T7704] ip6_route_info_create+0xf18/0x17d0 [19541.627977][ T7704] ip6_route_add+0x1c/0x140 [19541.627977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19541.627977][ T7704] addrconf_add_dev+0xe2/0x170 [19541.627977][ T7704] inet6_addr_add+0x12f/0xa40 [19541.627977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19541.627977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19541.627977][ T7704] netlink_rcv_skb+0x130/0x360 [19541.627977][ T7704] netlink_unicast+0x449/0x710 [19541.627977][ T7704] netlink_sendmsg+0x723/0xbe0 [19541.627977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19541.627977][ T7704] ___sys_sendmsg+0xee/0x170 [19541.627977][ T7704] __sys_sendmsg+0xcd/0x170 [19541.627977][ T7704] do_syscall_64+0xc6/0x1e0 [19541.627977][ T7704] [19541.630224][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19541.630224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19541.630224][ T7704] ipv6_find_idev+0x102/0x170 [19541.630224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19541.630224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19541.630224][ T7704] netlink_rcv_skb+0x130/0x360 [19541.630224][ T7704] netlink_unicast+0x449/0x710 [19541.630224][ T7704] netlink_sendmsg+0x723/0xbe0 [19541.630224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19541.630224][ T7704] ___sys_sendmsg+0xee/0x170 [19541.630224][ T7704] __sys_sendmsg+0xcd/0x170 [19541.630224][ T7704] do_syscall_64+0xc6/0x1e0 [19541.630224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19541.630224][ T7704] [19541.631970][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19541.631970][ T7704] neigh_parms_alloc+0x1e5/0x510 [19541.631970][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19541.631970][ T7704] ipv6_find_idev+0x102/0x170 [19541.631970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19541.631970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19541.631970][ T7704] netlink_rcv_skb+0x130/0x360 [19541.631970][ T7704] netlink_unicast+0x449/0x710 [19541.631970][ T7704] netlink_sendmsg+0x723/0xbe0 [19541.631970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19541.631970][ T7704] ___sys_sendmsg+0xee/0x170 [19541.631970][ T7704] __sys_sendmsg+0xcd/0x170 [19541.631970][ T7704] do_syscall_64+0xc6/0x1e0 [19541.631970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19541.631970][ T7704] [19551.838938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19551.839438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19551.839438][ T7704] netdev_get_by_index+0x5e/0x80 [19551.839438][ T7704] fib6_nh_init+0x3d8/0x15b0 [19551.839438][ T7704] ip6_route_info_create+0xf18/0x17d0 [19551.839438][ T7704] ip6_route_add+0x1c/0x140 [19551.839438][ T7704] addrconf_prefix_route+0x2a6/0x430 [19551.839438][ T7704] inet6_addr_add+0x4f8/0xa40 [19551.839438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19551.839438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19551.839438][ T7704] netlink_rcv_skb+0x130/0x360 [19551.839438][ T7704] netlink_unicast+0x449/0x710 [19551.839438][ T7704] netlink_sendmsg+0x723/0xbe0 [19551.839438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19551.839438][ T7704] ___sys_sendmsg+0xee/0x170 [19551.839438][ T7704] __sys_sendmsg+0xcd/0x170 [19551.839438][ T7704] do_syscall_64+0xc6/0x1e0 [19551.839438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19551.839438][ T7704] [19551.841735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19551.841735][ T7704] netdev_get_by_index+0x5e/0x80 [19551.841735][ T7704] fib6_nh_init+0x3d8/0x15b0 [19551.841735][ T7704] ip6_route_info_create+0xf18/0x17d0 [19551.841735][ T7704] addrconf_f6i_alloc+0x315/0x560 [19551.841735][ T7704] ipv6_add_addr+0x411/0x2000 [19551.841735][ T7704] inet6_addr_add+0x30e/0xa40 [19551.841735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19551.841735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19551.841735][ T7704] netlink_rcv_skb+0x130/0x360 [19551.841735][ T7704] netlink_unicast+0x449/0x710 [19551.841735][ T7704] netlink_sendmsg+0x723/0xbe0 [19551.841735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19551.841735][ T7704] ___sys_sendmsg+0xee/0x170 [19551.841735][ T7704] __sys_sendmsg+0xcd/0x170 [19551.841735][ T7704] do_syscall_64+0xc6/0x1e0 [19551.841735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19551.841735][ T7704] [19551.844008][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19551.844008][ T7704] netdev_get_by_index+0x5e/0x80 [19551.844008][ T7704] fib6_nh_init+0x3d8/0x15b0 [19551.844008][ T7704] ip6_route_info_create+0xf18/0x17d0 [19551.844008][ T7704] ip6_route_add+0x1c/0x140 [19551.844008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19551.844008][ T7704] addrconf_add_dev+0xe2/0x170 [19551.844008][ T7704] inet6_addr_add+0x12f/0xa40 [19551.844008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19551.844008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19551.844008][ T7704] netlink_rcv_skb+0x130/0x360 [19551.844008][ T7704] netlink_unicast+0x449/0x710 [19551.844008][ T7704] netlink_sendmsg+0x723/0xbe0 [19551.844008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19551.844008][ T7704] ___sys_sendmsg+0xee/0x170 [19551.844008][ T7704] __sys_sendmsg+0xcd/0x170 [19551.844008][ T7704] do_syscall_64+0xc6/0x1e0 [19551.844008][ T7704] [19551.846238][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19551.846238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19551.846238][ T7704] ipv6_find_idev+0x102/0x170 [19551.846238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19551.846238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19551.846238][ T7704] netlink_rcv_skb+0x130/0x360 [19551.846238][ T7704] netlink_unicast+0x449/0x710 [19551.846238][ T7704] netlink_sendmsg+0x723/0xbe0 [19551.846238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19551.846238][ T7704] ___sys_sendmsg+0xee/0x170 [19551.846238][ T7704] __sys_sendmsg+0xcd/0x170 [19551.846238][ T7704] do_syscall_64+0xc6/0x1e0 [19551.846238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19551.846238][ T7704] [19551.848007][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19551.848007][ T7704] neigh_parms_alloc+0x1e5/0x510 [19551.848007][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19551.848007][ T7704] ipv6_find_idev+0x102/0x170 [19551.848007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19551.848007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19551.848007][ T7704] netlink_rcv_skb+0x130/0x360 [19551.848007][ T7704] netlink_unicast+0x449/0x710 [19551.848007][ T7704] netlink_sendmsg+0x723/0xbe0 [19551.848007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19551.848007][ T7704] ___sys_sendmsg+0xee/0x170 [19551.848007][ T7704] __sys_sendmsg+0xcd/0x170 [19551.848007][ T7704] do_syscall_64+0xc6/0x1e0 [19551.848007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19551.848007][ T7704] [19562.014931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19562.015412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19562.015412][ T7704] netdev_get_by_index+0x5e/0x80 [19562.015412][ T7704] fib6_nh_init+0x3d8/0x15b0 [19562.015412][ T7704] ip6_route_info_create+0xf18/0x17d0 [19562.015412][ T7704] ip6_route_add+0x1c/0x140 [19562.015412][ T7704] addrconf_prefix_route+0x2a6/0x430 [19562.015412][ T7704] inet6_addr_add+0x4f8/0xa40 [19562.015412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19562.015412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19562.015412][ T7704] netlink_rcv_skb+0x130/0x360 [19562.015412][ T7704] netlink_unicast+0x449/0x710 [19562.015412][ T7704] netlink_sendmsg+0x723/0xbe0 [19562.015412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19562.015412][ T7704] ___sys_sendmsg+0xee/0x170 [19562.015412][ T7704] __sys_sendmsg+0xcd/0x170 [19562.015412][ T7704] do_syscall_64+0xc6/0x1e0 [19562.015412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19562.015412][ T7704] [19562.017733][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19562.017733][ T7704] netdev_get_by_index+0x5e/0x80 [19562.017733][ T7704] fib6_nh_init+0x3d8/0x15b0 [19562.017733][ T7704] ip6_route_info_create+0xf18/0x17d0 [19562.017733][ T7704] addrconf_f6i_alloc+0x315/0x560 [19562.017733][ T7704] ipv6_add_addr+0x411/0x2000 [19562.017733][ T7704] inet6_addr_add+0x30e/0xa40 [19562.017733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19562.017733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19562.017733][ T7704] netlink_rcv_skb+0x130/0x360 [19562.017733][ T7704] netlink_unicast+0x449/0x710 [19562.017733][ T7704] netlink_sendmsg+0x723/0xbe0 [19562.017733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19562.017733][ T7704] ___sys_sendmsg+0xee/0x170 [19562.017733][ T7704] __sys_sendmsg+0xcd/0x170 [19562.017733][ T7704] do_syscall_64+0xc6/0x1e0 [19562.017733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19562.017733][ T7704] [19562.020021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19562.020021][ T7704] netdev_get_by_index+0x5e/0x80 [19562.020021][ T7704] fib6_nh_init+0x3d8/0x15b0 [19562.020021][ T7704] ip6_route_info_create+0xf18/0x17d0 [19562.020021][ T7704] ip6_route_add+0x1c/0x140 [19562.020021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19562.020021][ T7704] addrconf_add_dev+0xe2/0x170 [19562.020021][ T7704] inet6_addr_add+0x12f/0xa40 [19562.020021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19562.020021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19562.020021][ T7704] netlink_rcv_skb+0x130/0x360 [19562.020021][ T7704] netlink_unicast+0x449/0x710 [19562.020021][ T7704] netlink_sendmsg+0x723/0xbe0 [19562.020021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19562.020021][ T7704] ___sys_sendmsg+0xee/0x170 [19562.020021][ T7704] __sys_sendmsg+0xcd/0x170 [19562.020021][ T7704] do_syscall_64+0xc6/0x1e0 [19562.020021][ T7704] [19562.022259][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19562.022259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19562.022259][ T7704] ipv6_find_idev+0x102/0x170 [19562.022259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19562.022259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19562.022259][ T7704] netlink_rcv_skb+0x130/0x360 [19562.022259][ T7704] netlink_unicast+0x449/0x710 [19562.022259][ T7704] netlink_sendmsg+0x723/0xbe0 [19562.022259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19562.022259][ T7704] ___sys_sendmsg+0xee/0x170 [19562.022259][ T7704] __sys_sendmsg+0xcd/0x170 [19562.022259][ T7704] do_syscall_64+0xc6/0x1e0 [19562.022259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19562.022259][ T7704] [19562.024011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19562.024011][ T7704] neigh_parms_alloc+0x1e5/0x510 [19562.024011][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19562.024011][ T7704] ipv6_find_idev+0x102/0x170 [19562.024011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19562.024011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19562.024011][ T7704] netlink_rcv_skb+0x130/0x360 [19562.024011][ T7704] netlink_unicast+0x449/0x710 [19562.024011][ T7704] netlink_sendmsg+0x723/0xbe0 [19562.024011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19562.024011][ T7704] ___sys_sendmsg+0xee/0x170 [19562.024011][ T7704] __sys_sendmsg+0xcd/0x170 [19562.024011][ T7704] do_syscall_64+0xc6/0x1e0 [19562.024011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19562.024011][ T7704] [19572.262930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19572.263422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19572.263422][ T7704] netdev_get_by_index+0x5e/0x80 [19572.263422][ T7704] fib6_nh_init+0x3d8/0x15b0 [19572.263422][ T7704] ip6_route_info_create+0xf18/0x17d0 [19572.263422][ T7704] ip6_route_add+0x1c/0x140 [19572.263422][ T7704] addrconf_prefix_route+0x2a6/0x430 [19572.263422][ T7704] inet6_addr_add+0x4f8/0xa40 [19572.263422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19572.263422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19572.263422][ T7704] netlink_rcv_skb+0x130/0x360 [19572.263422][ T7704] netlink_unicast+0x449/0x710 [19572.263422][ T7704] netlink_sendmsg+0x723/0xbe0 [19572.263422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19572.263422][ T7704] ___sys_sendmsg+0xee/0x170 [19572.263422][ T7704] __sys_sendmsg+0xcd/0x170 [19572.263422][ T7704] do_syscall_64+0xc6/0x1e0 [19572.263422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19572.263422][ T7704] [19572.265721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19572.265721][ T7704] netdev_get_by_index+0x5e/0x80 [19572.265721][ T7704] fib6_nh_init+0x3d8/0x15b0 [19572.265721][ T7704] ip6_route_info_create+0xf18/0x17d0 [19572.265721][ T7704] addrconf_f6i_alloc+0x315/0x560 [19572.265721][ T7704] ipv6_add_addr+0x411/0x2000 [19572.265721][ T7704] inet6_addr_add+0x30e/0xa40 [19572.265721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19572.265721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19572.265721][ T7704] netlink_rcv_skb+0x130/0x360 [19572.265721][ T7704] netlink_unicast+0x449/0x710 [19572.265721][ T7704] netlink_sendmsg+0x723/0xbe0 [19572.265721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19572.265721][ T7704] ___sys_sendmsg+0xee/0x170 [19572.265721][ T7704] __sys_sendmsg+0xcd/0x170 [19572.265721][ T7704] do_syscall_64+0xc6/0x1e0 [19572.265721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19572.265721][ T7704] [19572.268005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19572.268005][ T7704] netdev_get_by_index+0x5e/0x80 [19572.268005][ T7704] fib6_nh_init+0x3d8/0x15b0 [19572.268005][ T7704] ip6_route_info_create+0xf18/0x17d0 [19572.268005][ T7704] ip6_route_add+0x1c/0x140 [19572.268005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19572.268005][ T7704] addrconf_add_dev+0xe2/0x170 [19572.268005][ T7704] inet6_addr_add+0x12f/0xa40 [19572.268005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19572.268005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19572.268005][ T7704] netlink_rcv_skb+0x130/0x360 [19572.268005][ T7704] netlink_unicast+0x449/0x710 [19572.268005][ T7704] netlink_sendmsg+0x723/0xbe0 [19572.268005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19572.268005][ T7704] ___sys_sendmsg+0xee/0x170 [19572.268005][ T7704] __sys_sendmsg+0xcd/0x170 [19572.268005][ T7704] do_syscall_64+0xc6/0x1e0 [19572.268005][ T7704] [19572.270268][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19572.270268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19572.270268][ T7704] ipv6_find_idev+0x102/0x170 [19572.270268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19572.270268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19572.270268][ T7704] netlink_rcv_skb+0x130/0x360 [19572.270268][ T7704] netlink_unicast+0x449/0x710 [19572.270268][ T7704] netlink_sendmsg+0x723/0xbe0 [19572.270268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19572.270268][ T7704] ___sys_sendmsg+0xee/0x170 [19572.270268][ T7704] __sys_sendmsg+0xcd/0x170 [19572.270268][ T7704] do_syscall_64+0xc6/0x1e0 [19572.270268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19572.270268][ T7704] [19572.272024][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19572.272024][ T7704] neigh_parms_alloc+0x1e5/0x510 [19572.272024][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19572.272024][ T7704] ipv6_find_idev+0x102/0x170 [19572.272024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19572.272024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19572.272024][ T7704] netlink_rcv_skb+0x130/0x360 [19572.272024][ T7704] netlink_unicast+0x449/0x710 [19572.272024][ T7704] netlink_sendmsg+0x723/0xbe0 [19572.272024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19572.272024][ T7704] ___sys_sendmsg+0xee/0x170 [19572.272024][ T7704] __sys_sendmsg+0xcd/0x170 [19572.272024][ T7704] do_syscall_64+0xc6/0x1e0 [19572.272024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19572.272024][ T7704] [19582.510942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19582.511372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19582.511372][ T7704] netdev_get_by_index+0x5e/0x80 [19582.511372][ T7704] fib6_nh_init+0x3d8/0x15b0 [19582.511372][ T7704] ip6_route_info_create+0xf18/0x17d0 [19582.511372][ T7704] ip6_route_add+0x1c/0x140 [19582.511372][ T7704] addrconf_prefix_route+0x2a6/0x430 [19582.511372][ T7704] inet6_addr_add+0x4f8/0xa40 [19582.511372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19582.511372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19582.511372][ T7704] netlink_rcv_skb+0x130/0x360 [19582.511372][ T7704] netlink_unicast+0x449/0x710 [19582.511372][ T7704] netlink_sendmsg+0x723/0xbe0 [19582.511372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19582.511372][ T7704] ___sys_sendmsg+0xee/0x170 [19582.511372][ T7704] __sys_sendmsg+0xcd/0x170 [19582.511372][ T7704] do_syscall_64+0xc6/0x1e0 [19582.511372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19582.511372][ T7704] [19582.513671][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19582.513671][ T7704] netdev_get_by_index+0x5e/0x80 [19582.513671][ T7704] fib6_nh_init+0x3d8/0x15b0 [19582.513671][ T7704] ip6_route_info_create+0xf18/0x17d0 [19582.513671][ T7704] addrconf_f6i_alloc+0x315/0x560 [19582.513671][ T7704] ipv6_add_addr+0x411/0x2000 [19582.513671][ T7704] inet6_addr_add+0x30e/0xa40 [19582.513671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19582.513671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19582.513671][ T7704] netlink_rcv_skb+0x130/0x360 [19582.513671][ T7704] netlink_unicast+0x449/0x710 [19582.513671][ T7704] netlink_sendmsg+0x723/0xbe0 [19582.513671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19582.513671][ T7704] ___sys_sendmsg+0xee/0x170 [19582.513671][ T7704] __sys_sendmsg+0xcd/0x170 [19582.513671][ T7704] do_syscall_64+0xc6/0x1e0 [19582.513671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19582.513671][ T7704] [19582.515938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19582.515938][ T7704] netdev_get_by_index+0x5e/0x80 [19582.515938][ T7704] fib6_nh_init+0x3d8/0x15b0 [19582.515938][ T7704] ip6_route_info_create+0xf18/0x17d0 [19582.515938][ T7704] ip6_route_add+0x1c/0x140 [19582.515938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19582.515938][ T7704] addrconf_add_dev+0xe2/0x170 [19582.515938][ T7704] inet6_addr_add+0x12f/0xa40 [19582.515938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19582.515938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19582.515938][ T7704] netlink_rcv_skb+0x130/0x360 [19582.515938][ T7704] netlink_unicast+0x449/0x710 [19582.515938][ T7704] netlink_sendmsg+0x723/0xbe0 [19582.515938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19582.515938][ T7704] ___sys_sendmsg+0xee/0x170 [19582.515938][ T7704] __sys_sendmsg+0xcd/0x170 [19582.515938][ T7704] do_syscall_64+0xc6/0x1e0 [19582.515938][ T7704] [19582.518173][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19582.518173][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19582.518173][ T7704] ipv6_find_idev+0x102/0x170 [19582.518173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19582.518173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19582.518173][ T7704] netlink_rcv_skb+0x130/0x360 [19582.518173][ T7704] netlink_unicast+0x449/0x710 [19582.518173][ T7704] netlink_sendmsg+0x723/0xbe0 [19582.518173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19582.518173][ T7704] ___sys_sendmsg+0xee/0x170 [19582.518173][ T7704] __sys_sendmsg+0xcd/0x170 [19582.518173][ T7704] do_syscall_64+0xc6/0x1e0 [19582.518173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19582.518173][ T7704] [19582.519943][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19582.519943][ T7704] neigh_parms_alloc+0x1e5/0x510 [19582.519943][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19582.519943][ T7704] ipv6_find_idev+0x102/0x170 [19582.519943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19582.519943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19582.519943][ T7704] netlink_rcv_skb+0x130/0x360 [19582.519943][ T7704] netlink_unicast+0x449/0x710 [19582.519943][ T7704] netlink_sendmsg+0x723/0xbe0 [19582.519943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19582.519943][ T7704] ___sys_sendmsg+0xee/0x170 [19582.519943][ T7704] __sys_sendmsg+0xcd/0x170 [19582.519943][ T7704] do_syscall_64+0xc6/0x1e0 [19582.519943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19582.519943][ T7704] [19592.759007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19592.759433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19592.759433][ T7704] netdev_get_by_index+0x5e/0x80 [19592.759433][ T7704] fib6_nh_init+0x3d8/0x15b0 [19592.759433][ T7704] ip6_route_info_create+0xf18/0x17d0 [19592.759433][ T7704] ip6_route_add+0x1c/0x140 [19592.759433][ T7704] addrconf_prefix_route+0x2a6/0x430 [19592.759433][ T7704] inet6_addr_add+0x4f8/0xa40 [19592.759433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19592.759433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19592.759433][ T7704] netlink_rcv_skb+0x130/0x360 [19592.759433][ T7704] netlink_unicast+0x449/0x710 [19592.759433][ T7704] netlink_sendmsg+0x723/0xbe0 [19592.759433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19592.759433][ T7704] ___sys_sendmsg+0xee/0x170 [19592.759433][ T7704] __sys_sendmsg+0xcd/0x170 [19592.759433][ T7704] do_syscall_64+0xc6/0x1e0 [19592.759433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19592.759433][ T7704] [19592.761732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19592.761732][ T7704] netdev_get_by_index+0x5e/0x80 [19592.761732][ T7704] fib6_nh_init+0x3d8/0x15b0 [19592.761732][ T7704] ip6_route_info_create+0xf18/0x17d0 [19592.761732][ T7704] addrconf_f6i_alloc+0x315/0x560 [19592.761732][ T7704] ipv6_add_addr+0x411/0x2000 [19592.761732][ T7704] inet6_addr_add+0x30e/0xa40 [19592.761732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19592.761732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19592.761732][ T7704] netlink_rcv_skb+0x130/0x360 [19592.761732][ T7704] netlink_unicast+0x449/0x710 [19592.761732][ T7704] netlink_sendmsg+0x723/0xbe0 [19592.761732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19592.761732][ T7704] ___sys_sendmsg+0xee/0x170 [19592.761732][ T7704] __sys_sendmsg+0xcd/0x170 [19592.761732][ T7704] do_syscall_64+0xc6/0x1e0 [19592.761732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19592.761732][ T7704] [19592.764005][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19592.764005][ T7704] netdev_get_by_index+0x5e/0x80 [19592.764005][ T7704] fib6_nh_init+0x3d8/0x15b0 [19592.764005][ T7704] ip6_route_info_create+0xf18/0x17d0 [19592.764005][ T7704] ip6_route_add+0x1c/0x140 [19592.764005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19592.764005][ T7704] addrconf_add_dev+0xe2/0x170 [19592.764005][ T7704] inet6_addr_add+0x12f/0xa40 [19592.764005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19592.764005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19592.764005][ T7704] netlink_rcv_skb+0x130/0x360 [19592.764005][ T7704] netlink_unicast+0x449/0x710 [19592.764005][ T7704] netlink_sendmsg+0x723/0xbe0 [19592.764005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19592.764005][ T7704] ___sys_sendmsg+0xee/0x170 [19592.764005][ T7704] __sys_sendmsg+0xcd/0x170 [19592.764005][ T7704] do_syscall_64+0xc6/0x1e0 [19592.764005][ T7704] [19592.766242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19592.766242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19592.766242][ T7704] ipv6_find_idev+0x102/0x170 [19592.766242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19592.766242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19592.766242][ T7704] netlink_rcv_skb+0x130/0x360 [19592.766242][ T7704] netlink_unicast+0x449/0x710 [19592.766242][ T7704] netlink_sendmsg+0x723/0xbe0 [19592.766242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19592.766242][ T7704] ___sys_sendmsg+0xee/0x170 [19592.766242][ T7704] __sys_sendmsg+0xcd/0x170 [19592.766242][ T7704] do_syscall_64+0xc6/0x1e0 [19592.766242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19592.766242][ T7704] [19592.767992][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19592.767992][ T7704] neigh_parms_alloc+0x1e5/0x510 [19592.767992][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19592.767992][ T7704] ipv6_find_idev+0x102/0x170 [19592.767992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19592.767992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19592.767992][ T7704] netlink_rcv_skb+0x130/0x360 [19592.767992][ T7704] netlink_unicast+0x449/0x710 [19592.767992][ T7704] netlink_sendmsg+0x723/0xbe0 [19592.767992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19592.767992][ T7704] ___sys_sendmsg+0xee/0x170 [19592.767992][ T7704] __sys_sendmsg+0xcd/0x170 [19592.767992][ T7704] do_syscall_64+0xc6/0x1e0 [19592.767992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19592.767992][ T7704] [19603.006934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19603.007366][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19603.007366][ T7704] netdev_get_by_index+0x5e/0x80 [19603.007366][ T7704] fib6_nh_init+0x3d8/0x15b0 [19603.007366][ T7704] ip6_route_info_create+0xf18/0x17d0 [19603.007366][ T7704] ip6_route_add+0x1c/0x140 [19603.007366][ T7704] addrconf_prefix_route+0x2a6/0x430 [19603.007366][ T7704] inet6_addr_add+0x4f8/0xa40 [19603.007366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19603.007366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19603.007366][ T7704] netlink_rcv_skb+0x130/0x360 [19603.007366][ T7704] netlink_unicast+0x449/0x710 [19603.007366][ T7704] netlink_sendmsg+0x723/0xbe0 [19603.007366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19603.007366][ T7704] ___sys_sendmsg+0xee/0x170 [19603.007366][ T7704] __sys_sendmsg+0xcd/0x170 [19603.007366][ T7704] do_syscall_64+0xc6/0x1e0 [19603.007366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19603.007366][ T7704] [19603.009674][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19603.009674][ T7704] netdev_get_by_index+0x5e/0x80 [19603.009674][ T7704] fib6_nh_init+0x3d8/0x15b0 [19603.009674][ T7704] ip6_route_info_create+0xf18/0x17d0 [19603.009674][ T7704] addrconf_f6i_alloc+0x315/0x560 [19603.009674][ T7704] ipv6_add_addr+0x411/0x2000 [19603.009674][ T7704] inet6_addr_add+0x30e/0xa40 [19603.009674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19603.009674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19603.009674][ T7704] netlink_rcv_skb+0x130/0x360 [19603.009674][ T7704] netlink_unicast+0x449/0x710 [19603.009674][ T7704] netlink_sendmsg+0x723/0xbe0 [19603.009674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19603.009674][ T7704] ___sys_sendmsg+0xee/0x170 [19603.009674][ T7704] __sys_sendmsg+0xcd/0x170 [19603.009674][ T7704] do_syscall_64+0xc6/0x1e0 [19603.009674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19603.009674][ T7704] [19603.011947][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19603.011947][ T7704] netdev_get_by_index+0x5e/0x80 [19603.011947][ T7704] fib6_nh_init+0x3d8/0x15b0 [19603.011947][ T7704] ip6_route_info_create+0xf18/0x17d0 [19603.011947][ T7704] ip6_route_add+0x1c/0x140 [19603.011947][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19603.011947][ T7704] addrconf_add_dev+0xe2/0x170 [19603.011947][ T7704] inet6_addr_add+0x12f/0xa40 [19603.011947][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19603.011947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19603.011947][ T7704] netlink_rcv_skb+0x130/0x360 [19603.011947][ T7704] netlink_unicast+0x449/0x710 [19603.011947][ T7704] netlink_sendmsg+0x723/0xbe0 [19603.011947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19603.011947][ T7704] ___sys_sendmsg+0xee/0x170 [19603.011947][ T7704] __sys_sendmsg+0xcd/0x170 [19603.011947][ T7704] do_syscall_64+0xc6/0x1e0 [19603.011947][ T7704] [19603.014191][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19603.014191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19603.014191][ T7704] ipv6_find_idev+0x102/0x170 [19603.014191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19603.014191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19603.014191][ T7704] netlink_rcv_skb+0x130/0x360 [19603.014191][ T7704] netlink_unicast+0x449/0x710 [19603.014191][ T7704] netlink_sendmsg+0x723/0xbe0 [19603.014191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19603.014191][ T7704] ___sys_sendmsg+0xee/0x170 [19603.014191][ T7704] __sys_sendmsg+0xcd/0x170 [19603.014191][ T7704] do_syscall_64+0xc6/0x1e0 [19603.014191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19603.014191][ T7704] [19603.015938][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19603.015938][ T7704] neigh_parms_alloc+0x1e5/0x510 [19603.015938][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19603.015938][ T7704] ipv6_find_idev+0x102/0x170 [19603.015938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19603.015938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19603.015938][ T7704] netlink_rcv_skb+0x130/0x360 [19603.015938][ T7704] netlink_unicast+0x449/0x710 [19603.015938][ T7704] netlink_sendmsg+0x723/0xbe0 [19603.015938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19603.015938][ T7704] ___sys_sendmsg+0xee/0x170 [19603.015938][ T7704] __sys_sendmsg+0xcd/0x170 [19603.015938][ T7704] do_syscall_64+0xc6/0x1e0 [19603.015938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19603.015938][ T7704] [19613.254949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19613.255441][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19613.255441][ T7704] netdev_get_by_index+0x5e/0x80 [19613.255441][ T7704] fib6_nh_init+0x3d8/0x15b0 [19613.255441][ T7704] ip6_route_info_create+0xf18/0x17d0 [19613.255441][ T7704] ip6_route_add+0x1c/0x140 [19613.255441][ T7704] addrconf_prefix_route+0x2a6/0x430 [19613.255441][ T7704] inet6_addr_add+0x4f8/0xa40 [19613.255441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19613.255441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19613.255441][ T7704] netlink_rcv_skb+0x130/0x360 [19613.255441][ T7704] netlink_unicast+0x449/0x710 [19613.255441][ T7704] netlink_sendmsg+0x723/0xbe0 [19613.255441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19613.255441][ T7704] ___sys_sendmsg+0xee/0x170 [19613.255441][ T7704] __sys_sendmsg+0xcd/0x170 [19613.255441][ T7704] do_syscall_64+0xc6/0x1e0 [19613.255441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19613.255441][ T7704] [19613.257738][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19613.257738][ T7704] netdev_get_by_index+0x5e/0x80 [19613.257738][ T7704] fib6_nh_init+0x3d8/0x15b0 [19613.257738][ T7704] ip6_route_info_create+0xf18/0x17d0 [19613.257738][ T7704] addrconf_f6i_alloc+0x315/0x560 [19613.257738][ T7704] ipv6_add_addr+0x411/0x2000 [19613.257738][ T7704] inet6_addr_add+0x30e/0xa40 [19613.257738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19613.257738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19613.257738][ T7704] netlink_rcv_skb+0x130/0x360 [19613.257738][ T7704] netlink_unicast+0x449/0x710 [19613.257738][ T7704] netlink_sendmsg+0x723/0xbe0 [19613.257738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19613.257738][ T7704] ___sys_sendmsg+0xee/0x170 [19613.257738][ T7704] __sys_sendmsg+0xcd/0x170 [19613.257738][ T7704] do_syscall_64+0xc6/0x1e0 [19613.257738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19613.257738][ T7704] [19613.260037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19613.260037][ T7704] netdev_get_by_index+0x5e/0x80 [19613.260037][ T7704] fib6_nh_init+0x3d8/0x15b0 [19613.260037][ T7704] ip6_route_info_create+0xf18/0x17d0 [19613.260037][ T7704] ip6_route_add+0x1c/0x140 [19613.260037][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19613.260037][ T7704] addrconf_add_dev+0xe2/0x170 [19613.260037][ T7704] inet6_addr_add+0x12f/0xa40 [19613.260037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19613.260037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19613.260037][ T7704] netlink_rcv_skb+0x130/0x360 [19613.260037][ T7704] netlink_unicast+0x449/0x710 [19613.260037][ T7704] netlink_sendmsg+0x723/0xbe0 [19613.260037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19613.260037][ T7704] ___sys_sendmsg+0xee/0x170 [19613.260037][ T7704] __sys_sendmsg+0xcd/0x170 [19613.260037][ T7704] do_syscall_64+0xc6/0x1e0 [19613.260037][ T7704] [19613.262283][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19613.262283][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19613.262283][ T7704] ipv6_find_idev+0x102/0x170 [19613.262283][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19613.262283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19613.262283][ T7704] netlink_rcv_skb+0x130/0x360 [19613.262283][ T7704] netlink_unicast+0x449/0x710 [19613.262283][ T7704] netlink_sendmsg+0x723/0xbe0 [19613.262283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19613.262283][ T7704] ___sys_sendmsg+0xee/0x170 [19613.262283][ T7704] __sys_sendmsg+0xcd/0x170 [19613.262283][ T7704] do_syscall_64+0xc6/0x1e0 [19613.262283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19613.262283][ T7704] [19613.264030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19613.264030][ T7704] neigh_parms_alloc+0x1e5/0x510 [19613.264030][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19613.264030][ T7704] ipv6_find_idev+0x102/0x170 [19613.264030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19613.264030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19613.264030][ T7704] netlink_rcv_skb+0x130/0x360 [19613.264030][ T7704] netlink_unicast+0x449/0x710 [19613.264030][ T7704] netlink_sendmsg+0x723/0xbe0 [19613.264030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19613.264030][ T7704] ___sys_sendmsg+0xee/0x170 [19613.264030][ T7704] __sys_sendmsg+0xcd/0x170 [19613.264030][ T7704] do_syscall_64+0xc6/0x1e0 [19613.264030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19613.264030][ T7704] [19623.502934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19623.503420][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19623.503420][ T7704] netdev_get_by_index+0x5e/0x80 [19623.503420][ T7704] fib6_nh_init+0x3d8/0x15b0 [19623.503420][ T7704] ip6_route_info_create+0xf18/0x17d0 [19623.503420][ T7704] ip6_route_add+0x1c/0x140 [19623.503420][ T7704] addrconf_prefix_route+0x2a6/0x430 [19623.503420][ T7704] inet6_addr_add+0x4f8/0xa40 [19623.503420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19623.503420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19623.503420][ T7704] netlink_rcv_skb+0x130/0x360 [19623.503420][ T7704] netlink_unicast+0x449/0x710 [19623.503420][ T7704] netlink_sendmsg+0x723/0xbe0 [19623.503420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19623.503420][ T7704] ___sys_sendmsg+0xee/0x170 [19623.503420][ T7704] __sys_sendmsg+0xcd/0x170 [19623.503420][ T7704] do_syscall_64+0xc6/0x1e0 [19623.503420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19623.503420][ T7704] [19623.505718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19623.505718][ T7704] netdev_get_by_index+0x5e/0x80 [19623.505718][ T7704] fib6_nh_init+0x3d8/0x15b0 [19623.505718][ T7704] ip6_route_info_create+0xf18/0x17d0 [19623.505718][ T7704] addrconf_f6i_alloc+0x315/0x560 [19623.505718][ T7704] ipv6_add_addr+0x411/0x2000 [19623.505718][ T7704] inet6_addr_add+0x30e/0xa40 [19623.505718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19623.505718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19623.505718][ T7704] netlink_rcv_skb+0x130/0x360 [19623.505718][ T7704] netlink_unicast+0x449/0x710 [19623.505718][ T7704] netlink_sendmsg+0x723/0xbe0 [19623.505718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19623.505718][ T7704] ___sys_sendmsg+0xee/0x170 [19623.505718][ T7704] __sys_sendmsg+0xcd/0x170 [19623.505718][ T7704] do_syscall_64+0xc6/0x1e0 [19623.505718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19623.505718][ T7704] [19623.507985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19623.507985][ T7704] netdev_get_by_index+0x5e/0x80 [19623.507985][ T7704] fib6_nh_init+0x3d8/0x15b0 [19623.507985][ T7704] ip6_route_info_create+0xf18/0x17d0 [19623.507985][ T7704] ip6_route_add+0x1c/0x140 [19623.507985][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19623.507985][ T7704] addrconf_add_dev+0xe2/0x170 [19623.507985][ T7704] inet6_addr_add+0x12f/0xa40 [19623.507985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19623.507985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19623.507985][ T7704] netlink_rcv_skb+0x130/0x360 [19623.507985][ T7704] netlink_unicast+0x449/0x710 [19623.507985][ T7704] netlink_sendmsg+0x723/0xbe0 [19623.507985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19623.507985][ T7704] ___sys_sendmsg+0xee/0x170 [19623.507985][ T7704] __sys_sendmsg+0xcd/0x170 [19623.507985][ T7704] do_syscall_64+0xc6/0x1e0 [19623.507985][ T7704] [19623.510261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19623.510261][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19623.510261][ T7704] ipv6_find_idev+0x102/0x170 [19623.510261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19623.510261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19623.510261][ T7704] netlink_rcv_skb+0x130/0x360 [19623.510261][ T7704] netlink_unicast+0x449/0x710 [19623.510261][ T7704] netlink_sendmsg+0x723/0xbe0 [19623.510261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19623.510261][ T7704] ___sys_sendmsg+0xee/0x170 [19623.510261][ T7704] __sys_sendmsg+0xcd/0x170 [19623.510261][ T7704] do_syscall_64+0xc6/0x1e0 [19623.510261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19623.510261][ T7704] [19623.512011][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19623.512011][ T7704] neigh_parms_alloc+0x1e5/0x510 [19623.512011][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19623.512011][ T7704] ipv6_find_idev+0x102/0x170 [19623.512011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19623.512011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19623.512011][ T7704] netlink_rcv_skb+0x130/0x360 [19623.512011][ T7704] netlink_unicast+0x449/0x710 [19623.512011][ T7704] netlink_sendmsg+0x723/0xbe0 [19623.512011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19623.512011][ T7704] ___sys_sendmsg+0xee/0x170 [19623.512011][ T7704] __sys_sendmsg+0xcd/0x170 [19623.512011][ T7704] do_syscall_64+0xc6/0x1e0 [19623.512011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19623.512011][ T7704] [19633.750959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19633.751391][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19633.751391][ T7704] netdev_get_by_index+0x5e/0x80 [19633.751391][ T7704] fib6_nh_init+0x3d8/0x15b0 [19633.751391][ T7704] ip6_route_info_create+0xf18/0x17d0 [19633.751391][ T7704] ip6_route_add+0x1c/0x140 [19633.751391][ T7704] addrconf_prefix_route+0x2a6/0x430 [19633.751391][ T7704] inet6_addr_add+0x4f8/0xa40 [19633.751391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19633.751391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19633.751391][ T7704] netlink_rcv_skb+0x130/0x360 [19633.751391][ T7704] netlink_unicast+0x449/0x710 [19633.751391][ T7704] netlink_sendmsg+0x723/0xbe0 [19633.751391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19633.751391][ T7704] ___sys_sendmsg+0xee/0x170 [19633.751391][ T7704] __sys_sendmsg+0xcd/0x170 [19633.751391][ T7704] do_syscall_64+0xc6/0x1e0 [19633.751391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19633.751391][ T7704] [19633.753679][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19633.753679][ T7704] netdev_get_by_index+0x5e/0x80 [19633.753679][ T7704] fib6_nh_init+0x3d8/0x15b0 [19633.753679][ T7704] ip6_route_info_create+0xf18/0x17d0 [19633.753679][ T7704] addrconf_f6i_alloc+0x315/0x560 [19633.753679][ T7704] ipv6_add_addr+0x411/0x2000 [19633.753679][ T7704] inet6_addr_add+0x30e/0xa40 [19633.753679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19633.753679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19633.753679][ T7704] netlink_rcv_skb+0x130/0x360 [19633.753679][ T7704] netlink_unicast+0x449/0x710 [19633.753679][ T7704] netlink_sendmsg+0x723/0xbe0 [19633.753679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19633.753679][ T7704] ___sys_sendmsg+0xee/0x170 [19633.753679][ T7704] __sys_sendmsg+0xcd/0x170 [19633.753679][ T7704] do_syscall_64+0xc6/0x1e0 [19633.753679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19633.753679][ T7704] [19633.755966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19633.755966][ T7704] netdev_get_by_index+0x5e/0x80 [19633.755966][ T7704] fib6_nh_init+0x3d8/0x15b0 [19633.755966][ T7704] ip6_route_info_create+0xf18/0x17d0 [19633.755966][ T7704] ip6_route_add+0x1c/0x140 [19633.755966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19633.755966][ T7704] addrconf_add_dev+0xe2/0x170 [19633.755966][ T7704] inet6_addr_add+0x12f/0xa40 [19633.755966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19633.755966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19633.755966][ T7704] netlink_rcv_skb+0x130/0x360 [19633.755966][ T7704] netlink_unicast+0x449/0x710 [19633.755966][ T7704] netlink_sendmsg+0x723/0xbe0 [19633.755966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19633.755966][ T7704] ___sys_sendmsg+0xee/0x170 [19633.755966][ T7704] __sys_sendmsg+0xcd/0x170 [19633.755966][ T7704] do_syscall_64+0xc6/0x1e0 [19633.755966][ T7704] [19633.758204][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19633.758204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19633.758204][ T7704] ipv6_find_idev+0x102/0x170 [19633.758204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19633.758204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19633.758204][ T7704] netlink_rcv_skb+0x130/0x360 [19633.758204][ T7704] netlink_unicast+0x449/0x710 [19633.758204][ T7704] netlink_sendmsg+0x723/0xbe0 [19633.758204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19633.758204][ T7704] ___sys_sendmsg+0xee/0x170 [19633.758204][ T7704] __sys_sendmsg+0xcd/0x170 [19633.758204][ T7704] do_syscall_64+0xc6/0x1e0 [19633.758204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19633.758204][ T7704] [19633.759981][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19633.759981][ T7704] neigh_parms_alloc+0x1e5/0x510 [19633.759981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19633.759981][ T7704] ipv6_find_idev+0x102/0x170 [19633.759981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19633.759981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19633.759981][ T7704] netlink_rcv_skb+0x130/0x360 [19633.759981][ T7704] netlink_unicast+0x449/0x710 [19633.759981][ T7704] netlink_sendmsg+0x723/0xbe0 [19633.759981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19633.759981][ T7704] ___sys_sendmsg+0xee/0x170 [19633.759981][ T7704] __sys_sendmsg+0xcd/0x170 [19633.759981][ T7704] do_syscall_64+0xc6/0x1e0 [19633.759981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19633.759981][ T7704] [19643.998931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19643.999356][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19643.999356][ T7704] netdev_get_by_index+0x5e/0x80 [19643.999356][ T7704] fib6_nh_init+0x3d8/0x15b0 [19643.999356][ T7704] ip6_route_info_create+0xf18/0x17d0 [19643.999356][ T7704] ip6_route_add+0x1c/0x140 [19643.999356][ T7704] addrconf_prefix_route+0x2a6/0x430 [19643.999356][ T7704] inet6_addr_add+0x4f8/0xa40 [19643.999356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19643.999356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19643.999356][ T7704] netlink_rcv_skb+0x130/0x360 [19643.999356][ T7704] netlink_unicast+0x449/0x710 [19643.999356][ T7704] netlink_sendmsg+0x723/0xbe0 [19643.999356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19643.999356][ T7704] ___sys_sendmsg+0xee/0x170 [19643.999356][ T7704] __sys_sendmsg+0xcd/0x170 [19643.999356][ T7704] do_syscall_64+0xc6/0x1e0 [19643.999356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19643.999356][ T7704] [19644.001775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19644.001775][ T7704] netdev_get_by_index+0x5e/0x80 [19644.001775][ T7704] fib6_nh_init+0x3d8/0x15b0 [19644.001775][ T7704] ip6_route_info_create+0xf18/0x17d0 [19644.001775][ T7704] addrconf_f6i_alloc+0x315/0x560 [19644.001775][ T7704] ipv6_add_addr+0x411/0x2000 [19644.001775][ T7704] inet6_addr_add+0x30e/0xa40 [19644.001775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19644.001775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19644.001775][ T7704] netlink_rcv_skb+0x130/0x360 [19644.001775][ T7704] netlink_unicast+0x449/0x710 [19644.001775][ T7704] netlink_sendmsg+0x723/0xbe0 [19644.001775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19644.001775][ T7704] ___sys_sendmsg+0xee/0x170 [19644.001775][ T7704] __sys_sendmsg+0xcd/0x170 [19644.001775][ T7704] do_syscall_64+0xc6/0x1e0 [19644.001775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19644.001775][ T7704] [19644.004383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19644.004383][ T7704] netdev_get_by_index+0x5e/0x80 [19644.004383][ T7704] fib6_nh_init+0x3d8/0x15b0 [19644.004383][ T7704] ip6_route_info_create+0xf18/0x17d0 [19644.004383][ T7704] ip6_route_add+0x1c/0x140 [19644.004383][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19644.004383][ T7704] addrconf_add_dev+0xe2/0x170 [19644.004383][ T7704] inet6_addr_add+0x12f/0xa40 [19644.004383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19644.004383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19644.004383][ T7704] netlink_rcv_skb+0x130/0x360 [19644.004383][ T7704] netlink_unicast+0x449/0x710 [19644.004383][ T7704] netlink_sendmsg+0x723/0xbe0 [19644.004383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19644.004383][ T7704] ___sys_sendmsg+0xee/0x170 [19644.004383][ T7704] __sys_sendmsg+0xcd/0x170 [19644.004383][ T7704] do_syscall_64+0xc6/0x1e0 [19644.004383][ T7704] [19644.006554][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19644.006554][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19644.006554][ T7704] ipv6_find_idev+0x102/0x170 [19644.006554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19644.006554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19644.006554][ T7704] netlink_rcv_skb+0x130/0x360 [19644.006554][ T7704] netlink_unicast+0x449/0x710 [19644.006554][ T7704] netlink_sendmsg+0x723/0xbe0 [19644.006554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19644.006554][ T7704] ___sys_sendmsg+0xee/0x170 [19644.006554][ T7704] __sys_sendmsg+0xcd/0x170 [19644.006554][ T7704] do_syscall_64+0xc6/0x1e0 [19644.006554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19644.006554][ T7704] [19644.008256][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19644.008256][ T7704] neigh_parms_alloc+0x1e5/0x510 [19644.008256][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19644.008256][ T7704] ipv6_find_idev+0x102/0x170 [19644.008256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19644.008256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19644.008256][ T7704] netlink_rcv_skb+0x130/0x360 [19644.008256][ T7704] netlink_unicast+0x449/0x710 [19644.008256][ T7704] netlink_sendmsg+0x723/0xbe0 [19644.008256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19644.008256][ T7704] ___sys_sendmsg+0xee/0x170 [19644.008256][ T7704] __sys_sendmsg+0xcd/0x170 [19644.008256][ T7704] do_syscall_64+0xc6/0x1e0 [19644.008256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19644.008256][ T7704] [19654.246937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19654.247432][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19654.247432][ T7704] netdev_get_by_index+0x5e/0x80 [19654.247432][ T7704] fib6_nh_init+0x3d8/0x15b0 [19654.247432][ T7704] ip6_route_info_create+0xf18/0x17d0 [19654.247432][ T7704] ip6_route_add+0x1c/0x140 [19654.247432][ T7704] addrconf_prefix_route+0x2a6/0x430 [19654.247432][ T7704] inet6_addr_add+0x4f8/0xa40 [19654.247432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19654.247432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19654.247432][ T7704] netlink_rcv_skb+0x130/0x360 [19654.247432][ T7704] netlink_unicast+0x449/0x710 [19654.247432][ T7704] netlink_sendmsg+0x723/0xbe0 [19654.247432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19654.247432][ T7704] ___sys_sendmsg+0xee/0x170 [19654.247432][ T7704] __sys_sendmsg+0xcd/0x170 [19654.247432][ T7704] do_syscall_64+0xc6/0x1e0 [19654.247432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19654.247432][ T7704] [19654.250205][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19654.250205][ T7704] netdev_get_by_index+0x5e/0x80 [19654.250205][ T7704] fib6_nh_init+0x3d8/0x15b0 [19654.250205][ T7704] ip6_route_info_create+0xf18/0x17d0 [19654.250205][ T7704] addrconf_f6i_alloc+0x315/0x560 [19654.250205][ T7704] ipv6_add_addr+0x411/0x2000 [19654.250205][ T7704] inet6_addr_add+0x30e/0xa40 [19654.250205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19654.250205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19654.250205][ T7704] netlink_rcv_skb+0x130/0x360 [19654.250205][ T7704] netlink_unicast+0x449/0x710 [19654.250205][ T7704] netlink_sendmsg+0x723/0xbe0 [19654.250205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19654.250205][ T7704] ___sys_sendmsg+0xee/0x170 [19654.250205][ T7704] __sys_sendmsg+0xcd/0x170 [19654.250205][ T7704] do_syscall_64+0xc6/0x1e0 [19654.250205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19654.250205][ T7704] [19654.252933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19654.252933][ T7704] netdev_get_by_index+0x5e/0x80 [19654.252933][ T7704] fib6_nh_init+0x3d8/0x15b0 [19654.252933][ T7704] ip6_route_info_create+0xf18/0x17d0 [19654.252933][ T7704] ip6_route_add+0x1c/0x140 [19654.252933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19654.252933][ T7704] addrconf_add_dev+0xe2/0x170 [19654.252933][ T7704] inet6_addr_add+0x12f/0xa40 [19654.252933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19654.252933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19654.252933][ T7704] netlink_rcv_skb+0x130/0x360 [19654.252933][ T7704] netlink_unicast+0x449/0x710 [19654.252933][ T7704] netlink_sendmsg+0x723/0xbe0 [19654.252933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19654.252933][ T7704] ___sys_sendmsg+0xee/0x170 [19654.252933][ T7704] __sys_sendmsg+0xcd/0x170 [19654.252933][ T7704] do_syscall_64+0xc6/0x1e0 [19654.252933][ T7704] [19654.255611][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19654.255611][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19654.255611][ T7704] ipv6_find_idev+0x102/0x170 [19654.255611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19654.255611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19654.255611][ T7704] netlink_rcv_skb+0x130/0x360 [19654.255611][ T7704] netlink_unicast+0x449/0x710 [19654.255611][ T7704] netlink_sendmsg+0x723/0xbe0 [19654.255611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19654.255611][ T7704] ___sys_sendmsg+0xee/0x170 [19654.255611][ T7704] __sys_sendmsg+0xcd/0x170 [19654.255611][ T7704] do_syscall_64+0xc6/0x1e0 [19654.255611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19654.255611][ T7704] [19654.257704][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19654.257704][ T7704] neigh_parms_alloc+0x1e5/0x510 [19654.257704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19654.257704][ T7704] ipv6_find_idev+0x102/0x170 [19654.257704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19654.257704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19654.257704][ T7704] netlink_rcv_skb+0x130/0x360 [19654.257704][ T7704] netlink_unicast+0x449/0x710 [19654.257704][ T7704] netlink_sendmsg+0x723/0xbe0 [19654.257704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19654.257704][ T7704] ___sys_sendmsg+0xee/0x170 [19654.257704][ T7704] __sys_sendmsg+0xcd/0x170 [19654.257704][ T7704] do_syscall_64+0xc6/0x1e0 [19654.257704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19654.257704][ T7704] [19664.502933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19664.503413][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19664.503413][ T7704] netdev_get_by_index+0x5e/0x80 [19664.503413][ T7704] fib6_nh_init+0x3d8/0x15b0 [19664.503413][ T7704] ip6_route_info_create+0xf18/0x17d0 [19664.503413][ T7704] ip6_route_add+0x1c/0x140 [19664.503413][ T7704] addrconf_prefix_route+0x2a6/0x430 [19664.503413][ T7704] inet6_addr_add+0x4f8/0xa40 [19664.503413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19664.503413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19664.503413][ T7704] netlink_rcv_skb+0x130/0x360 [19664.503413][ T7704] netlink_unicast+0x449/0x710 [19664.503413][ T7704] netlink_sendmsg+0x723/0xbe0 [19664.503413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19664.503413][ T7704] ___sys_sendmsg+0xee/0x170 [19664.503413][ T7704] __sys_sendmsg+0xcd/0x170 [19664.503413][ T7704] do_syscall_64+0xc6/0x1e0 [19664.503413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19664.503413][ T7704] [19664.505663][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19664.505663][ T7704] netdev_get_by_index+0x5e/0x80 [19664.505663][ T7704] fib6_nh_init+0x3d8/0x15b0 [19664.505663][ T7704] ip6_route_info_create+0xf18/0x17d0 [19664.505663][ T7704] addrconf_f6i_alloc+0x315/0x560 [19664.505663][ T7704] ipv6_add_addr+0x411/0x2000 [19664.505663][ T7704] inet6_addr_add+0x30e/0xa40 [19664.505663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19664.505663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19664.505663][ T7704] netlink_rcv_skb+0x130/0x360 [19664.505663][ T7704] netlink_unicast+0x449/0x710 [19664.505663][ T7704] netlink_sendmsg+0x723/0xbe0 [19664.505663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19664.505663][ T7704] ___sys_sendmsg+0xee/0x170 [19664.505663][ T7704] __sys_sendmsg+0xcd/0x170 [19664.505663][ T7704] do_syscall_64+0xc6/0x1e0 [19664.505663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19664.505663][ T7704] [19664.507888][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19664.507888][ T7704] netdev_get_by_index+0x5e/0x80 [19664.507888][ T7704] fib6_nh_init+0x3d8/0x15b0 [19664.507888][ T7704] ip6_route_info_create+0xf18/0x17d0 [19664.507888][ T7704] ip6_route_add+0x1c/0x140 [19664.507888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19664.507888][ T7704] addrconf_add_dev+0xe2/0x170 [19664.507888][ T7704] inet6_addr_add+0x12f/0xa40 [19664.507888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19664.507888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19664.507888][ T7704] netlink_rcv_skb+0x130/0x360 [19664.507888][ T7704] netlink_unicast+0x449/0x710 [19664.507888][ T7704] netlink_sendmsg+0x723/0xbe0 [19664.507888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19664.507888][ T7704] ___sys_sendmsg+0xee/0x170 [19664.507888][ T7704] __sys_sendmsg+0xcd/0x170 [19664.507888][ T7704] do_syscall_64+0xc6/0x1e0 [19664.507888][ T7704] [19664.510100][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19664.510100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19664.510100][ T7704] ipv6_find_idev+0x102/0x170 [19664.510100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19664.510100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19664.510100][ T7704] netlink_rcv_skb+0x130/0x360 [19664.510100][ T7704] netlink_unicast+0x449/0x710 [19664.510100][ T7704] netlink_sendmsg+0x723/0xbe0 [19664.510100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19664.510100][ T7704] ___sys_sendmsg+0xee/0x170 [19664.510100][ T7704] __sys_sendmsg+0xcd/0x170 [19664.510100][ T7704] do_syscall_64+0xc6/0x1e0 [19664.510100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19664.510100][ T7704] [19664.511808][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19664.511808][ T7704] neigh_parms_alloc+0x1e5/0x510 [19664.511808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19664.511808][ T7704] ipv6_find_idev+0x102/0x170 [19664.511808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19664.511808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19664.511808][ T7704] netlink_rcv_skb+0x130/0x360 [19664.511808][ T7704] netlink_unicast+0x449/0x710 [19664.511808][ T7704] netlink_sendmsg+0x723/0xbe0 [19664.511808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19664.511808][ T7704] ___sys_sendmsg+0xee/0x170 [19664.511808][ T7704] __sys_sendmsg+0xcd/0x170 [19664.511808][ T7704] do_syscall_64+0xc6/0x1e0 [19664.511808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19664.511808][ T7704] [19674.750942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19674.751362][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19674.751362][ T7704] netdev_get_by_index+0x5e/0x80 [19674.751362][ T7704] fib6_nh_init+0x3d8/0x15b0 [19674.751362][ T7704] ip6_route_info_create+0xf18/0x17d0 [19674.751362][ T7704] ip6_route_add+0x1c/0x140 [19674.751362][ T7704] addrconf_prefix_route+0x2a6/0x430 [19674.751362][ T7704] inet6_addr_add+0x4f8/0xa40 [19674.751362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19674.751362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19674.751362][ T7704] netlink_rcv_skb+0x130/0x360 [19674.751362][ T7704] netlink_unicast+0x449/0x710 [19674.751362][ T7704] netlink_sendmsg+0x723/0xbe0 [19674.751362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19674.751362][ T7704] ___sys_sendmsg+0xee/0x170 [19674.751362][ T7704] __sys_sendmsg+0xcd/0x170 [19674.751362][ T7704] do_syscall_64+0xc6/0x1e0 [19674.751362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19674.751362][ T7704] [19674.753589][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19674.753589][ T7704] netdev_get_by_index+0x5e/0x80 [19674.753589][ T7704] fib6_nh_init+0x3d8/0x15b0 [19674.753589][ T7704] ip6_route_info_create+0xf18/0x17d0 [19674.753589][ T7704] addrconf_f6i_alloc+0x315/0x560 [19674.753589][ T7704] ipv6_add_addr+0x411/0x2000 [19674.753589][ T7704] inet6_addr_add+0x30e/0xa40 [19674.753589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19674.753589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19674.753589][ T7704] netlink_rcv_skb+0x130/0x360 [19674.753589][ T7704] netlink_unicast+0x449/0x710 [19674.753589][ T7704] netlink_sendmsg+0x723/0xbe0 [19674.753589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19674.753589][ T7704] ___sys_sendmsg+0xee/0x170 [19674.753589][ T7704] __sys_sendmsg+0xcd/0x170 [19674.753589][ T7704] do_syscall_64+0xc6/0x1e0 [19674.753589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19674.753589][ T7704] [19674.755810][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19674.755810][ T7704] netdev_get_by_index+0x5e/0x80 [19674.755810][ T7704] fib6_nh_init+0x3d8/0x15b0 [19674.755810][ T7704] ip6_route_info_create+0xf18/0x17d0 [19674.755810][ T7704] ip6_route_add+0x1c/0x140 [19674.755810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19674.755810][ T7704] addrconf_add_dev+0xe2/0x170 [19674.755810][ T7704] inet6_addr_add+0x12f/0xa40 [19674.755810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19674.755810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19674.755810][ T7704] netlink_rcv_skb+0x130/0x360 [19674.755810][ T7704] netlink_unicast+0x449/0x710 [19674.755810][ T7704] netlink_sendmsg+0x723/0xbe0 [19674.755810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19674.755810][ T7704] ___sys_sendmsg+0xee/0x170 [19674.755810][ T7704] __sys_sendmsg+0xcd/0x170 [19674.755810][ T7704] do_syscall_64+0xc6/0x1e0 [19674.755810][ T7704] [19674.757994][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19674.757994][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19674.757994][ T7704] ipv6_find_idev+0x102/0x170 [19674.757994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19674.757994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19674.757994][ T7704] netlink_rcv_skb+0x130/0x360 [19674.757994][ T7704] netlink_unicast+0x449/0x710 [19674.757994][ T7704] netlink_sendmsg+0x723/0xbe0 [19674.757994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19674.757994][ T7704] ___sys_sendmsg+0xee/0x170 [19674.757994][ T7704] __sys_sendmsg+0xcd/0x170 [19674.757994][ T7704] do_syscall_64+0xc6/0x1e0 [19674.757994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19674.757994][ T7704] [19674.759711][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19674.759711][ T7704] neigh_parms_alloc+0x1e5/0x510 [19674.759711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19674.759711][ T7704] ipv6_find_idev+0x102/0x170 [19674.759711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19674.759711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19674.759711][ T7704] netlink_rcv_skb+0x130/0x360 [19674.759711][ T7704] netlink_unicast+0x449/0x710 [19674.759711][ T7704] netlink_sendmsg+0x723/0xbe0 [19674.759711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19674.759711][ T7704] ___sys_sendmsg+0xee/0x170 [19674.759711][ T7704] __sys_sendmsg+0xcd/0x170 [19674.759711][ T7704] do_syscall_64+0xc6/0x1e0 [19674.759711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19674.759711][ T7704] [19684.998929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19684.999407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19684.999407][ T7704] netdev_get_by_index+0x5e/0x80 [19684.999407][ T7704] fib6_nh_init+0x3d8/0x15b0 [19684.999407][ T7704] ip6_route_info_create+0xf18/0x17d0 [19684.999407][ T7704] ip6_route_add+0x1c/0x140 [19684.999407][ T7704] addrconf_prefix_route+0x2a6/0x430 [19684.999407][ T7704] inet6_addr_add+0x4f8/0xa40 [19684.999407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19684.999407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19684.999407][ T7704] netlink_rcv_skb+0x130/0x360 [19684.999407][ T7704] netlink_unicast+0x449/0x710 [19684.999407][ T7704] netlink_sendmsg+0x723/0xbe0 [19684.999407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19684.999407][ T7704] ___sys_sendmsg+0xee/0x170 [19684.999407][ T7704] __sys_sendmsg+0xcd/0x170 [19684.999407][ T7704] do_syscall_64+0xc6/0x1e0 [19684.999407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19684.999407][ T7704] [19685.001639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19685.001639][ T7704] netdev_get_by_index+0x5e/0x80 [19685.001639][ T7704] fib6_nh_init+0x3d8/0x15b0 [19685.001639][ T7704] ip6_route_info_create+0xf18/0x17d0 [19685.001639][ T7704] addrconf_f6i_alloc+0x315/0x560 [19685.001639][ T7704] ipv6_add_addr+0x411/0x2000 [19685.001639][ T7704] inet6_addr_add+0x30e/0xa40 [19685.001639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19685.001639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19685.001639][ T7704] netlink_rcv_skb+0x130/0x360 [19685.001639][ T7704] netlink_unicast+0x449/0x710 [19685.001639][ T7704] netlink_sendmsg+0x723/0xbe0 [19685.001639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19685.001639][ T7704] ___sys_sendmsg+0xee/0x170 [19685.001639][ T7704] __sys_sendmsg+0xcd/0x170 [19685.001639][ T7704] do_syscall_64+0xc6/0x1e0 [19685.001639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19685.001639][ T7704] [19685.003854][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19685.003854][ T7704] netdev_get_by_index+0x5e/0x80 [19685.003854][ T7704] fib6_nh_init+0x3d8/0x15b0 [19685.003854][ T7704] ip6_route_info_create+0xf18/0x17d0 [19685.003854][ T7704] ip6_route_add+0x1c/0x140 [19685.003854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19685.003854][ T7704] addrconf_add_dev+0xe2/0x170 [19685.003854][ T7704] inet6_addr_add+0x12f/0xa40 [19685.003854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19685.003854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19685.003854][ T7704] netlink_rcv_skb+0x130/0x360 [19685.003854][ T7704] netlink_unicast+0x449/0x710 [19685.003854][ T7704] netlink_sendmsg+0x723/0xbe0 [19685.003854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19685.003854][ T7704] ___sys_sendmsg+0xee/0x170 [19685.003854][ T7704] __sys_sendmsg+0xcd/0x170 [19685.003854][ T7704] do_syscall_64+0xc6/0x1e0 [19685.003854][ T7704] [19685.006034][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19685.006034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19685.006034][ T7704] ipv6_find_idev+0x102/0x170 [19685.006034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19685.006034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19685.006034][ T7704] netlink_rcv_skb+0x130/0x360 [19685.006034][ T7704] netlink_unicast+0x449/0x710 [19685.006034][ T7704] netlink_sendmsg+0x723/0xbe0 [19685.006034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19685.006034][ T7704] ___sys_sendmsg+0xee/0x170 [19685.006034][ T7704] __sys_sendmsg+0xcd/0x170 [19685.006034][ T7704] do_syscall_64+0xc6/0x1e0 [19685.006034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19685.006034][ T7704] [19685.007736][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19685.007736][ T7704] neigh_parms_alloc+0x1e5/0x510 [19685.007736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19685.007736][ T7704] ipv6_find_idev+0x102/0x170 [19685.007736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19685.007736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19685.007736][ T7704] netlink_rcv_skb+0x130/0x360 [19685.007736][ T7704] netlink_unicast+0x449/0x710 [19685.007736][ T7704] netlink_sendmsg+0x723/0xbe0 [19685.007736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19685.007736][ T7704] ___sys_sendmsg+0xee/0x170 [19685.007736][ T7704] __sys_sendmsg+0xcd/0x170 [19685.007736][ T7704] do_syscall_64+0xc6/0x1e0 [19685.007736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19685.007736][ T7704] [19695.246935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19695.247419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19695.247419][ T7704] netdev_get_by_index+0x5e/0x80 [19695.247419][ T7704] fib6_nh_init+0x3d8/0x15b0 [19695.247419][ T7704] ip6_route_info_create+0xf18/0x17d0 [19695.247419][ T7704] ip6_route_add+0x1c/0x140 [19695.247419][ T7704] addrconf_prefix_route+0x2a6/0x430 [19695.247419][ T7704] inet6_addr_add+0x4f8/0xa40 [19695.247419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19695.247419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19695.247419][ T7704] netlink_rcv_skb+0x130/0x360 [19695.247419][ T7704] netlink_unicast+0x449/0x710 [19695.247419][ T7704] netlink_sendmsg+0x723/0xbe0 [19695.247419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19695.247419][ T7704] ___sys_sendmsg+0xee/0x170 [19695.247419][ T7704] __sys_sendmsg+0xcd/0x170 [19695.247419][ T7704] do_syscall_64+0xc6/0x1e0 [19695.247419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19695.247419][ T7704] [19695.249673][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19695.249673][ T7704] netdev_get_by_index+0x5e/0x80 [19695.249673][ T7704] fib6_nh_init+0x3d8/0x15b0 [19695.249673][ T7704] ip6_route_info_create+0xf18/0x17d0 [19695.249673][ T7704] addrconf_f6i_alloc+0x315/0x560 [19695.249673][ T7704] ipv6_add_addr+0x411/0x2000 [19695.249673][ T7704] inet6_addr_add+0x30e/0xa40 [19695.249673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19695.249673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19695.249673][ T7704] netlink_rcv_skb+0x130/0x360 [19695.249673][ T7704] netlink_unicast+0x449/0x710 [19695.249673][ T7704] netlink_sendmsg+0x723/0xbe0 [19695.249673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19695.249673][ T7704] ___sys_sendmsg+0xee/0x170 [19695.249673][ T7704] __sys_sendmsg+0xcd/0x170 [19695.249673][ T7704] do_syscall_64+0xc6/0x1e0 [19695.249673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19695.249673][ T7704] [19695.251886][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19695.251886][ T7704] netdev_get_by_index+0x5e/0x80 [19695.251886][ T7704] fib6_nh_init+0x3d8/0x15b0 [19695.251886][ T7704] ip6_route_info_create+0xf18/0x17d0 [19695.251886][ T7704] ip6_route_add+0x1c/0x140 [19695.251886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19695.251886][ T7704] addrconf_add_dev+0xe2/0x170 [19695.251886][ T7704] inet6_addr_add+0x12f/0xa40 [19695.251886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19695.251886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19695.251886][ T7704] netlink_rcv_skb+0x130/0x360 [19695.251886][ T7704] netlink_unicast+0x449/0x710 [19695.251886][ T7704] netlink_sendmsg+0x723/0xbe0 [19695.251886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19695.251886][ T7704] ___sys_sendmsg+0xee/0x170 [19695.251886][ T7704] __sys_sendmsg+0xcd/0x170 [19695.251886][ T7704] do_syscall_64+0xc6/0x1e0 [19695.251886][ T7704] [19695.254066][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19695.254066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19695.254066][ T7704] ipv6_find_idev+0x102/0x170 [19695.254066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19695.254066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19695.254066][ T7704] netlink_rcv_skb+0x130/0x360 [19695.254066][ T7704] netlink_unicast+0x449/0x710 [19695.254066][ T7704] netlink_sendmsg+0x723/0xbe0 [19695.254066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19695.254066][ T7704] ___sys_sendmsg+0xee/0x170 [19695.254066][ T7704] __sys_sendmsg+0xcd/0x170 [19695.254066][ T7704] do_syscall_64+0xc6/0x1e0 [19695.254066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19695.254066][ T7704] [19695.255775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19695.255775][ T7704] neigh_parms_alloc+0x1e5/0x510 [19695.255775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19695.255775][ T7704] ipv6_find_idev+0x102/0x170 [19695.255775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19695.255775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19695.255775][ T7704] netlink_rcv_skb+0x130/0x360 [19695.255775][ T7704] netlink_unicast+0x449/0x710 [19695.255775][ T7704] netlink_sendmsg+0x723/0xbe0 [19695.255775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19695.255775][ T7704] ___sys_sendmsg+0xee/0x170 [19695.255775][ T7704] __sys_sendmsg+0xcd/0x170 [19695.255775][ T7704] do_syscall_64+0xc6/0x1e0 [19695.255775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19695.255775][ T7704] [19705.494964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19705.495379][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19705.495379][ T7704] netdev_get_by_index+0x5e/0x80 [19705.495379][ T7704] fib6_nh_init+0x3d8/0x15b0 [19705.495379][ T7704] ip6_route_info_create+0xf18/0x17d0 [19705.495379][ T7704] ip6_route_add+0x1c/0x140 [19705.495379][ T7704] addrconf_prefix_route+0x2a6/0x430 [19705.495379][ T7704] inet6_addr_add+0x4f8/0xa40 [19705.495379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19705.495379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19705.495379][ T7704] netlink_rcv_skb+0x130/0x360 [19705.495379][ T7704] netlink_unicast+0x449/0x710 [19705.495379][ T7704] netlink_sendmsg+0x723/0xbe0 [19705.495379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19705.495379][ T7704] ___sys_sendmsg+0xee/0x170 [19705.495379][ T7704] __sys_sendmsg+0xcd/0x170 [19705.495379][ T7704] do_syscall_64+0xc6/0x1e0 [19705.495379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19705.495379][ T7704] [19705.497620][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19705.497620][ T7704] netdev_get_by_index+0x5e/0x80 [19705.497620][ T7704] fib6_nh_init+0x3d8/0x15b0 [19705.497620][ T7704] ip6_route_info_create+0xf18/0x17d0 [19705.497620][ T7704] addrconf_f6i_alloc+0x315/0x560 [19705.497620][ T7704] ipv6_add_addr+0x411/0x2000 [19705.497620][ T7704] inet6_addr_add+0x30e/0xa40 [19705.497620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19705.497620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19705.497620][ T7704] netlink_rcv_skb+0x130/0x360 [19705.497620][ T7704] netlink_unicast+0x449/0x710 [19705.497620][ T7704] netlink_sendmsg+0x723/0xbe0 [19705.497620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19705.497620][ T7704] ___sys_sendmsg+0xee/0x170 [19705.497620][ T7704] __sys_sendmsg+0xcd/0x170 [19705.497620][ T7704] do_syscall_64+0xc6/0x1e0 [19705.497620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19705.497620][ T7704] [19705.499839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19705.499839][ T7704] netdev_get_by_index+0x5e/0x80 [19705.499839][ T7704] fib6_nh_init+0x3d8/0x15b0 [19705.499839][ T7704] ip6_route_info_create+0xf18/0x17d0 [19705.499839][ T7704] ip6_route_add+0x1c/0x140 [19705.499839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19705.499839][ T7704] addrconf_add_dev+0xe2/0x170 [19705.499839][ T7704] inet6_addr_add+0x12f/0xa40 [19705.499839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19705.499839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19705.499839][ T7704] netlink_rcv_skb+0x130/0x360 [19705.499839][ T7704] netlink_unicast+0x449/0x710 [19705.499839][ T7704] netlink_sendmsg+0x723/0xbe0 [19705.499839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19705.499839][ T7704] ___sys_sendmsg+0xee/0x170 [19705.499839][ T7704] __sys_sendmsg+0xcd/0x170 [19705.499839][ T7704] do_syscall_64+0xc6/0x1e0 [19705.499839][ T7704] [19705.502013][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19705.502013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19705.502013][ T7704] ipv6_find_idev+0x102/0x170 [19705.502013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19705.502013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19705.502013][ T7704] netlink_rcv_skb+0x130/0x360 [19705.502013][ T7704] netlink_unicast+0x449/0x710 [19705.502013][ T7704] netlink_sendmsg+0x723/0xbe0 [19705.502013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19705.502013][ T7704] ___sys_sendmsg+0xee/0x170 [19705.502013][ T7704] __sys_sendmsg+0xcd/0x170 [19705.502013][ T7704] do_syscall_64+0xc6/0x1e0 [19705.502013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19705.502013][ T7704] [19705.503732][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19705.503732][ T7704] neigh_parms_alloc+0x1e5/0x510 [19705.503732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19705.503732][ T7704] ipv6_find_idev+0x102/0x170 [19705.503732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19705.503732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19705.503732][ T7704] netlink_rcv_skb+0x130/0x360 [19705.503732][ T7704] netlink_unicast+0x449/0x710 [19705.503732][ T7704] netlink_sendmsg+0x723/0xbe0 [19705.503732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19705.503732][ T7704] ___sys_sendmsg+0xee/0x170 [19705.503732][ T7704] __sys_sendmsg+0xcd/0x170 [19705.503732][ T7704] do_syscall_64+0xc6/0x1e0 [19705.503732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19705.503732][ T7704] [19715.742960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19715.743386][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19715.743386][ T7704] netdev_get_by_index+0x5e/0x80 [19715.743386][ T7704] fib6_nh_init+0x3d8/0x15b0 [19715.743386][ T7704] ip6_route_info_create+0xf18/0x17d0 [19715.743386][ T7704] ip6_route_add+0x1c/0x140 [19715.743386][ T7704] addrconf_prefix_route+0x2a6/0x430 [19715.743386][ T7704] inet6_addr_add+0x4f8/0xa40 [19715.743386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19715.743386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19715.743386][ T7704] netlink_rcv_skb+0x130/0x360 [19715.743386][ T7704] netlink_unicast+0x449/0x710 [19715.743386][ T7704] netlink_sendmsg+0x723/0xbe0 [19715.743386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19715.743386][ T7704] ___sys_sendmsg+0xee/0x170 [19715.743386][ T7704] __sys_sendmsg+0xcd/0x170 [19715.743386][ T7704] do_syscall_64+0xc6/0x1e0 [19715.743386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19715.743386][ T7704] [19715.745622][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19715.745622][ T7704] netdev_get_by_index+0x5e/0x80 [19715.745622][ T7704] fib6_nh_init+0x3d8/0x15b0 [19715.745622][ T7704] ip6_route_info_create+0xf18/0x17d0 [19715.745622][ T7704] addrconf_f6i_alloc+0x315/0x560 [19715.745622][ T7704] ipv6_add_addr+0x411/0x2000 [19715.745622][ T7704] inet6_addr_add+0x30e/0xa40 [19715.745622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19715.745622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19715.745622][ T7704] netlink_rcv_skb+0x130/0x360 [19715.745622][ T7704] netlink_unicast+0x449/0x710 [19715.745622][ T7704] netlink_sendmsg+0x723/0xbe0 [19715.745622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19715.745622][ T7704] ___sys_sendmsg+0xee/0x170 [19715.745622][ T7704] __sys_sendmsg+0xcd/0x170 [19715.745622][ T7704] do_syscall_64+0xc6/0x1e0 [19715.745622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19715.745622][ T7704] [19715.747847][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19715.747847][ T7704] netdev_get_by_index+0x5e/0x80 [19715.747847][ T7704] fib6_nh_init+0x3d8/0x15b0 [19715.747847][ T7704] ip6_route_info_create+0xf18/0x17d0 [19715.747847][ T7704] ip6_route_add+0x1c/0x140 [19715.747847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19715.747847][ T7704] addrconf_add_dev+0xe2/0x170 [19715.747847][ T7704] inet6_addr_add+0x12f/0xa40 [19715.747847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19715.747847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19715.747847][ T7704] netlink_rcv_skb+0x130/0x360 [19715.747847][ T7704] netlink_unicast+0x449/0x710 [19715.747847][ T7704] netlink_sendmsg+0x723/0xbe0 [19715.747847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19715.747847][ T7704] ___sys_sendmsg+0xee/0x170 [19715.747847][ T7704] __sys_sendmsg+0xcd/0x170 [19715.747847][ T7704] do_syscall_64+0xc6/0x1e0 [19715.747847][ T7704] [19715.750033][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19715.750033][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19715.750033][ T7704] ipv6_find_idev+0x102/0x170 [19715.750033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19715.750033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19715.750033][ T7704] netlink_rcv_skb+0x130/0x360 [19715.750033][ T7704] netlink_unicast+0x449/0x710 [19715.750033][ T7704] netlink_sendmsg+0x723/0xbe0 [19715.750033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19715.750033][ T7704] ___sys_sendmsg+0xee/0x170 [19715.750033][ T7704] __sys_sendmsg+0xcd/0x170 [19715.750033][ T7704] do_syscall_64+0xc6/0x1e0 [19715.750033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19715.750033][ T7704] [19715.751742][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19715.751742][ T7704] neigh_parms_alloc+0x1e5/0x510 [19715.751742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19715.751742][ T7704] ipv6_find_idev+0x102/0x170 [19715.751742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19715.751742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19715.751742][ T7704] netlink_rcv_skb+0x130/0x360 [19715.751742][ T7704] netlink_unicast+0x449/0x710 [19715.751742][ T7704] netlink_sendmsg+0x723/0xbe0 [19715.751742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19715.751742][ T7704] ___sys_sendmsg+0xee/0x170 [19715.751742][ T7704] __sys_sendmsg+0xcd/0x170 [19715.751742][ T7704] do_syscall_64+0xc6/0x1e0 [19715.751742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19715.751742][ T7704] [19725.990934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19725.991405][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19725.991405][ T7704] netdev_get_by_index+0x5e/0x80 [19725.991405][ T7704] fib6_nh_init+0x3d8/0x15b0 [19725.991405][ T7704] ip6_route_info_create+0xf18/0x17d0 [19725.991405][ T7704] ip6_route_add+0x1c/0x140 [19725.991405][ T7704] addrconf_prefix_route+0x2a6/0x430 [19725.991405][ T7704] inet6_addr_add+0x4f8/0xa40 [19725.991405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19725.991405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19725.991405][ T7704] netlink_rcv_skb+0x130/0x360 [19725.991405][ T7704] netlink_unicast+0x449/0x710 [19725.991405][ T7704] netlink_sendmsg+0x723/0xbe0 [19725.991405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19725.991405][ T7704] ___sys_sendmsg+0xee/0x170 [19725.991405][ T7704] __sys_sendmsg+0xcd/0x170 [19725.991405][ T7704] do_syscall_64+0xc6/0x1e0 [19725.991405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19725.991405][ T7704] [19725.993652][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19725.993652][ T7704] netdev_get_by_index+0x5e/0x80 [19725.993652][ T7704] fib6_nh_init+0x3d8/0x15b0 [19725.993652][ T7704] ip6_route_info_create+0xf18/0x17d0 [19725.993652][ T7704] addrconf_f6i_alloc+0x315/0x560 [19725.993652][ T7704] ipv6_add_addr+0x411/0x2000 [19725.993652][ T7704] inet6_addr_add+0x30e/0xa40 [19725.993652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19725.993652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19725.993652][ T7704] netlink_rcv_skb+0x130/0x360 [19725.993652][ T7704] netlink_unicast+0x449/0x710 [19725.993652][ T7704] netlink_sendmsg+0x723/0xbe0 [19725.993652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19725.993652][ T7704] ___sys_sendmsg+0xee/0x170 [19725.993652][ T7704] __sys_sendmsg+0xcd/0x170 [19725.993652][ T7704] do_syscall_64+0xc6/0x1e0 [19725.993652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19725.993652][ T7704] [19725.995875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19725.995875][ T7704] netdev_get_by_index+0x5e/0x80 [19725.995875][ T7704] fib6_nh_init+0x3d8/0x15b0 [19725.995875][ T7704] ip6_route_info_create+0xf18/0x17d0 [19725.995875][ T7704] ip6_route_add+0x1c/0x140 [19725.995875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19725.995875][ T7704] addrconf_add_dev+0xe2/0x170 [19725.995875][ T7704] inet6_addr_add+0x12f/0xa40 [19725.995875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19725.995875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19725.995875][ T7704] netlink_rcv_skb+0x130/0x360 [19725.995875][ T7704] netlink_unicast+0x449/0x710 [19725.995875][ T7704] netlink_sendmsg+0x723/0xbe0 [19725.995875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19725.995875][ T7704] ___sys_sendmsg+0xee/0x170 [19725.995875][ T7704] __sys_sendmsg+0xcd/0x170 [19725.995875][ T7704] do_syscall_64+0xc6/0x1e0 [19725.995875][ T7704] [19725.998061][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19725.998061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19725.998061][ T7704] ipv6_find_idev+0x102/0x170 [19725.998061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19725.998061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19725.998061][ T7704] netlink_rcv_skb+0x130/0x360 [19725.998061][ T7704] netlink_unicast+0x449/0x710 [19725.998061][ T7704] netlink_sendmsg+0x723/0xbe0 [19725.998061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19725.998061][ T7704] ___sys_sendmsg+0xee/0x170 [19725.998061][ T7704] __sys_sendmsg+0xcd/0x170 [19725.998061][ T7704] do_syscall_64+0xc6/0x1e0 [19725.998061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19725.998061][ T7704] [19725.999785][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19725.999785][ T7704] neigh_parms_alloc+0x1e5/0x510 [19725.999785][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19725.999785][ T7704] ipv6_find_idev+0x102/0x170 [19725.999785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19725.999785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19725.999785][ T7704] netlink_rcv_skb+0x130/0x360 [19725.999785][ T7704] netlink_unicast+0x449/0x710 [19725.999785][ T7704] netlink_sendmsg+0x723/0xbe0 [19725.999785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19725.999785][ T7704] ___sys_sendmsg+0xee/0x170 [19725.999785][ T7704] __sys_sendmsg+0xcd/0x170 [19725.999785][ T7704] do_syscall_64+0xc6/0x1e0 [19725.999785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19725.999785][ T7704] [19736.238932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19736.239347][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19736.239347][ T7704] netdev_get_by_index+0x5e/0x80 [19736.239347][ T7704] fib6_nh_init+0x3d8/0x15b0 [19736.239347][ T7704] ip6_route_info_create+0xf18/0x17d0 [19736.239347][ T7704] ip6_route_add+0x1c/0x140 [19736.239347][ T7704] addrconf_prefix_route+0x2a6/0x430 [19736.239347][ T7704] inet6_addr_add+0x4f8/0xa40 [19736.239347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19736.239347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19736.239347][ T7704] netlink_rcv_skb+0x130/0x360 [19736.239347][ T7704] netlink_unicast+0x449/0x710 [19736.239347][ T7704] netlink_sendmsg+0x723/0xbe0 [19736.239347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19736.239347][ T7704] ___sys_sendmsg+0xee/0x170 [19736.239347][ T7704] __sys_sendmsg+0xcd/0x170 [19736.239347][ T7704] do_syscall_64+0xc6/0x1e0 [19736.239347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19736.239347][ T7704] [19736.241593][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19736.241593][ T7704] netdev_get_by_index+0x5e/0x80 [19736.241593][ T7704] fib6_nh_init+0x3d8/0x15b0 [19736.241593][ T7704] ip6_route_info_create+0xf18/0x17d0 [19736.241593][ T7704] addrconf_f6i_alloc+0x315/0x560 [19736.241593][ T7704] ipv6_add_addr+0x411/0x2000 [19736.241593][ T7704] inet6_addr_add+0x30e/0xa40 [19736.241593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19736.241593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19736.241593][ T7704] netlink_rcv_skb+0x130/0x360 [19736.241593][ T7704] netlink_unicast+0x449/0x710 [19736.241593][ T7704] netlink_sendmsg+0x723/0xbe0 [19736.241593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19736.241593][ T7704] ___sys_sendmsg+0xee/0x170 [19736.241593][ T7704] __sys_sendmsg+0xcd/0x170 [19736.241593][ T7704] do_syscall_64+0xc6/0x1e0 [19736.241593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19736.241593][ T7704] [19736.243806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19736.243806][ T7704] netdev_get_by_index+0x5e/0x80 [19736.243806][ T7704] fib6_nh_init+0x3d8/0x15b0 [19736.243806][ T7704] ip6_route_info_create+0xf18/0x17d0 [19736.243806][ T7704] ip6_route_add+0x1c/0x140 [19736.243806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19736.243806][ T7704] addrconf_add_dev+0xe2/0x170 [19736.243806][ T7704] inet6_addr_add+0x12f/0xa40 [19736.243806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19736.243806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19736.243806][ T7704] netlink_rcv_skb+0x130/0x360 [19736.243806][ T7704] netlink_unicast+0x449/0x710 [19736.243806][ T7704] netlink_sendmsg+0x723/0xbe0 [19736.243806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19736.243806][ T7704] ___sys_sendmsg+0xee/0x170 [19736.243806][ T7704] __sys_sendmsg+0xcd/0x170 [19736.243806][ T7704] do_syscall_64+0xc6/0x1e0 [19736.243806][ T7704] [19736.245993][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19736.245993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19736.245993][ T7704] ipv6_find_idev+0x102/0x170 [19736.245993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19736.245993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19736.245993][ T7704] netlink_rcv_skb+0x130/0x360 [19736.245993][ T7704] netlink_unicast+0x449/0x710 [19736.245993][ T7704] netlink_sendmsg+0x723/0xbe0 [19736.245993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19736.245993][ T7704] ___sys_sendmsg+0xee/0x170 [19736.245993][ T7704] __sys_sendmsg+0xcd/0x170 [19736.245993][ T7704] do_syscall_64+0xc6/0x1e0 [19736.245993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19736.245993][ T7704] [19736.247702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19736.247702][ T7704] neigh_parms_alloc+0x1e5/0x510 [19736.247702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19736.247702][ T7704] ipv6_find_idev+0x102/0x170 [19736.247702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19736.247702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19736.247702][ T7704] netlink_rcv_skb+0x130/0x360 [19736.247702][ T7704] netlink_unicast+0x449/0x710 [19736.247702][ T7704] netlink_sendmsg+0x723/0xbe0 [19736.247702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19736.247702][ T7704] ___sys_sendmsg+0xee/0x170 [19736.247702][ T7704] __sys_sendmsg+0xcd/0x170 [19736.247702][ T7704] do_syscall_64+0xc6/0x1e0 [19736.247702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19736.247702][ T7704] [19746.486943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19746.487369][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19746.487369][ T7704] netdev_get_by_index+0x5e/0x80 [19746.487369][ T7704] fib6_nh_init+0x3d8/0x15b0 [19746.487369][ T7704] ip6_route_info_create+0xf18/0x17d0 [19746.487369][ T7704] ip6_route_add+0x1c/0x140 [19746.487369][ T7704] addrconf_prefix_route+0x2a6/0x430 [19746.487369][ T7704] inet6_addr_add+0x4f8/0xa40 [19746.487369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19746.487369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19746.487369][ T7704] netlink_rcv_skb+0x130/0x360 [19746.487369][ T7704] netlink_unicast+0x449/0x710 [19746.487369][ T7704] netlink_sendmsg+0x723/0xbe0 [19746.487369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19746.487369][ T7704] ___sys_sendmsg+0xee/0x170 [19746.487369][ T7704] __sys_sendmsg+0xcd/0x170 [19746.487369][ T7704] do_syscall_64+0xc6/0x1e0 [19746.487369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19746.487369][ T7704] [19746.489634][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19746.489634][ T7704] netdev_get_by_index+0x5e/0x80 [19746.489634][ T7704] fib6_nh_init+0x3d8/0x15b0 [19746.489634][ T7704] ip6_route_info_create+0xf18/0x17d0 [19746.489634][ T7704] addrconf_f6i_alloc+0x315/0x560 [19746.489634][ T7704] ipv6_add_addr+0x411/0x2000 [19746.489634][ T7704] inet6_addr_add+0x30e/0xa40 [19746.489634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19746.489634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19746.489634][ T7704] netlink_rcv_skb+0x130/0x360 [19746.489634][ T7704] netlink_unicast+0x449/0x710 [19746.489634][ T7704] netlink_sendmsg+0x723/0xbe0 [19746.489634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19746.489634][ T7704] ___sys_sendmsg+0xee/0x170 [19746.489634][ T7704] __sys_sendmsg+0xcd/0x170 [19746.489634][ T7704] do_syscall_64+0xc6/0x1e0 [19746.489634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19746.489634][ T7704] [19746.491850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19746.491850][ T7704] netdev_get_by_index+0x5e/0x80 [19746.491850][ T7704] fib6_nh_init+0x3d8/0x15b0 [19746.491850][ T7704] ip6_route_info_create+0xf18/0x17d0 [19746.491850][ T7704] ip6_route_add+0x1c/0x140 [19746.491850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19746.491850][ T7704] addrconf_add_dev+0xe2/0x170 [19746.491850][ T7704] inet6_addr_add+0x12f/0xa40 [19746.491850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19746.491850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19746.491850][ T7704] netlink_rcv_skb+0x130/0x360 [19746.491850][ T7704] netlink_unicast+0x449/0x710 [19746.491850][ T7704] netlink_sendmsg+0x723/0xbe0 [19746.491850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19746.491850][ T7704] ___sys_sendmsg+0xee/0x170 [19746.491850][ T7704] __sys_sendmsg+0xcd/0x170 [19746.491850][ T7704] do_syscall_64+0xc6/0x1e0 [19746.491850][ T7704] [19746.494025][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19746.494025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19746.494025][ T7704] ipv6_find_idev+0x102/0x170 [19746.494025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19746.494025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19746.494025][ T7704] netlink_rcv_skb+0x130/0x360 [19746.494025][ T7704] netlink_unicast+0x449/0x710 [19746.494025][ T7704] netlink_sendmsg+0x723/0xbe0 [19746.494025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19746.494025][ T7704] ___sys_sendmsg+0xee/0x170 [19746.494025][ T7704] __sys_sendmsg+0xcd/0x170 [19746.494025][ T7704] do_syscall_64+0xc6/0x1e0 [19746.494025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19746.494025][ T7704] [19746.495724][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19746.495724][ T7704] neigh_parms_alloc+0x1e5/0x510 [19746.495724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19746.495724][ T7704] ipv6_find_idev+0x102/0x170 [19746.495724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19746.495724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19746.495724][ T7704] netlink_rcv_skb+0x130/0x360 [19746.495724][ T7704] netlink_unicast+0x449/0x710 [19746.495724][ T7704] netlink_sendmsg+0x723/0xbe0 [19746.495724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19746.495724][ T7704] ___sys_sendmsg+0xee/0x170 [19746.495724][ T7704] __sys_sendmsg+0xcd/0x170 [19746.495724][ T7704] do_syscall_64+0xc6/0x1e0 [19746.495724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19746.495724][ T7704] [19756.734935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19756.735438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19756.735438][ T7704] netdev_get_by_index+0x5e/0x80 [19756.735438][ T7704] fib6_nh_init+0x3d8/0x15b0 [19756.735438][ T7704] ip6_route_info_create+0xf18/0x17d0 [19756.735438][ T7704] ip6_route_add+0x1c/0x140 [19756.735438][ T7704] addrconf_prefix_route+0x2a6/0x430 [19756.735438][ T7704] inet6_addr_add+0x4f8/0xa40 [19756.735438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19756.735438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19756.735438][ T7704] netlink_rcv_skb+0x130/0x360 [19756.735438][ T7704] netlink_unicast+0x449/0x710 [19756.735438][ T7704] netlink_sendmsg+0x723/0xbe0 [19756.735438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19756.735438][ T7704] ___sys_sendmsg+0xee/0x170 [19756.735438][ T7704] __sys_sendmsg+0xcd/0x170 [19756.735438][ T7704] do_syscall_64+0xc6/0x1e0 [19756.735438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19756.735438][ T7704] [19756.738175][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19756.738175][ T7704] netdev_get_by_index+0x5e/0x80 [19756.738175][ T7704] fib6_nh_init+0x3d8/0x15b0 [19756.738175][ T7704] ip6_route_info_create+0xf18/0x17d0 [19756.738175][ T7704] addrconf_f6i_alloc+0x315/0x560 [19756.738175][ T7704] ipv6_add_addr+0x411/0x2000 [19756.738175][ T7704] inet6_addr_add+0x30e/0xa40 [19756.738175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19756.738175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19756.738175][ T7704] netlink_rcv_skb+0x130/0x360 [19756.738175][ T7704] netlink_unicast+0x449/0x710 [19756.738175][ T7704] netlink_sendmsg+0x723/0xbe0 [19756.738175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19756.738175][ T7704] ___sys_sendmsg+0xee/0x170 [19756.738175][ T7704] __sys_sendmsg+0xcd/0x170 [19756.738175][ T7704] do_syscall_64+0xc6/0x1e0 [19756.738175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19756.738175][ T7704] [19756.740903][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19756.740903][ T7704] netdev_get_by_index+0x5e/0x80 [19756.740903][ T7704] fib6_nh_init+0x3d8/0x15b0 [19756.740903][ T7704] ip6_route_info_create+0xf18/0x17d0 [19756.740903][ T7704] ip6_route_add+0x1c/0x140 [19756.740903][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19756.740903][ T7704] addrconf_add_dev+0xe2/0x170 [19756.740903][ T7704] inet6_addr_add+0x12f/0xa40 [19756.740903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19756.740903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19756.740903][ T7704] netlink_rcv_skb+0x130/0x360 [19756.740903][ T7704] netlink_unicast+0x449/0x710 [19756.740903][ T7704] netlink_sendmsg+0x723/0xbe0 [19756.740903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19756.740903][ T7704] ___sys_sendmsg+0xee/0x170 [19756.740903][ T7704] __sys_sendmsg+0xcd/0x170 [19756.740903][ T7704] do_syscall_64+0xc6/0x1e0 [19756.740903][ T7704] [19756.743573][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19756.743573][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19756.743573][ T7704] ipv6_find_idev+0x102/0x170 [19756.743573][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19756.743573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19756.743573][ T7704] netlink_rcv_skb+0x130/0x360 [19756.743573][ T7704] netlink_unicast+0x449/0x710 [19756.743573][ T7704] netlink_sendmsg+0x723/0xbe0 [19756.743573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19756.743573][ T7704] ___sys_sendmsg+0xee/0x170 [19756.743573][ T7704] __sys_sendmsg+0xcd/0x170 [19756.743573][ T7704] do_syscall_64+0xc6/0x1e0 [19756.743573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19756.743573][ T7704] [19756.745664][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19756.745664][ T7704] neigh_parms_alloc+0x1e5/0x510 [19756.745664][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19756.745664][ T7704] ipv6_find_idev+0x102/0x170 [19756.745664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19756.745664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19756.745664][ T7704] netlink_rcv_skb+0x130/0x360 [19756.745664][ T7704] netlink_unicast+0x449/0x710 [19756.745664][ T7704] netlink_sendmsg+0x723/0xbe0 [19756.745664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19756.745664][ T7704] ___sys_sendmsg+0xee/0x170 [19756.745664][ T7704] __sys_sendmsg+0xcd/0x170 [19756.745664][ T7704] do_syscall_64+0xc6/0x1e0 [19756.745664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19756.745664][ T7704] [19766.990936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19766.991353][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19766.991353][ T7704] netdev_get_by_index+0x5e/0x80 [19766.991353][ T7704] fib6_nh_init+0x3d8/0x15b0 [19766.991353][ T7704] ip6_route_info_create+0xf18/0x17d0 [19766.991353][ T7704] ip6_route_add+0x1c/0x140 [19766.991353][ T7704] addrconf_prefix_route+0x2a6/0x430 [19766.991353][ T7704] inet6_addr_add+0x4f8/0xa40 [19766.991353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19766.991353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19766.991353][ T7704] netlink_rcv_skb+0x130/0x360 [19766.991353][ T7704] netlink_unicast+0x449/0x710 [19766.991353][ T7704] netlink_sendmsg+0x723/0xbe0 [19766.991353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19766.991353][ T7704] ___sys_sendmsg+0xee/0x170 [19766.991353][ T7704] __sys_sendmsg+0xcd/0x170 [19766.991353][ T7704] do_syscall_64+0xc6/0x1e0 [19766.991353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19766.991353][ T7704] [19766.993590][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19766.993590][ T7704] netdev_get_by_index+0x5e/0x80 [19766.993590][ T7704] fib6_nh_init+0x3d8/0x15b0 [19766.993590][ T7704] ip6_route_info_create+0xf18/0x17d0 [19766.993590][ T7704] addrconf_f6i_alloc+0x315/0x560 [19766.993590][ T7704] ipv6_add_addr+0x411/0x2000 [19766.993590][ T7704] inet6_addr_add+0x30e/0xa40 [19766.993590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19766.993590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19766.993590][ T7704] netlink_rcv_skb+0x130/0x360 [19766.993590][ T7704] netlink_unicast+0x449/0x710 [19766.993590][ T7704] netlink_sendmsg+0x723/0xbe0 [19766.993590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19766.993590][ T7704] ___sys_sendmsg+0xee/0x170 [19766.993590][ T7704] __sys_sendmsg+0xcd/0x170 [19766.993590][ T7704] do_syscall_64+0xc6/0x1e0 [19766.993590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19766.993590][ T7704] [19766.995800][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19766.995800][ T7704] netdev_get_by_index+0x5e/0x80 [19766.995800][ T7704] fib6_nh_init+0x3d8/0x15b0 [19766.995800][ T7704] ip6_route_info_create+0xf18/0x17d0 [19766.995800][ T7704] ip6_route_add+0x1c/0x140 [19766.995800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19766.995800][ T7704] addrconf_add_dev+0xe2/0x170 [19766.995800][ T7704] inet6_addr_add+0x12f/0xa40 [19766.995800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19766.995800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19766.995800][ T7704] netlink_rcv_skb+0x130/0x360 [19766.995800][ T7704] netlink_unicast+0x449/0x710 [19766.995800][ T7704] netlink_sendmsg+0x723/0xbe0 [19766.995800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19766.995800][ T7704] ___sys_sendmsg+0xee/0x170 [19766.995800][ T7704] __sys_sendmsg+0xcd/0x170 [19766.995800][ T7704] do_syscall_64+0xc6/0x1e0 [19766.995800][ T7704] [19766.997980][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19766.997980][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19766.997980][ T7704] ipv6_find_idev+0x102/0x170 [19766.997980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19766.997980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19766.997980][ T7704] netlink_rcv_skb+0x130/0x360 [19766.997980][ T7704] netlink_unicast+0x449/0x710 [19766.997980][ T7704] netlink_sendmsg+0x723/0xbe0 [19766.997980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19766.997980][ T7704] ___sys_sendmsg+0xee/0x170 [19766.997980][ T7704] __sys_sendmsg+0xcd/0x170 [19766.997980][ T7704] do_syscall_64+0xc6/0x1e0 [19766.997980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19766.997980][ T7704] [19766.999699][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19766.999699][ T7704] neigh_parms_alloc+0x1e5/0x510 [19766.999699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19766.999699][ T7704] ipv6_find_idev+0x102/0x170 [19766.999699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19766.999699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19766.999699][ T7704] netlink_rcv_skb+0x130/0x360 [19766.999699][ T7704] netlink_unicast+0x449/0x710 [19766.999699][ T7704] netlink_sendmsg+0x723/0xbe0 [19766.999699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19766.999699][ T7704] ___sys_sendmsg+0xee/0x170 [19766.999699][ T7704] __sys_sendmsg+0xcd/0x170 [19766.999699][ T7704] do_syscall_64+0xc6/0x1e0 [19766.999699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19766.999699][ T7704] [19777.238875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19777.239332][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19777.239332][ T7704] netdev_get_by_index+0x5e/0x80 [19777.239332][ T7704] fib6_nh_init+0x3d8/0x15b0 [19777.239332][ T7704] ip6_route_info_create+0xf18/0x17d0 [19777.239332][ T7704] ip6_route_add+0x1c/0x140 [19777.239332][ T7704] addrconf_prefix_route+0x2a6/0x430 [19777.239332][ T7704] inet6_addr_add+0x4f8/0xa40 [19777.239332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19777.239332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19777.239332][ T7704] netlink_rcv_skb+0x130/0x360 [19777.239332][ T7704] netlink_unicast+0x449/0x710 [19777.239332][ T7704] netlink_sendmsg+0x723/0xbe0 [19777.239332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19777.239332][ T7704] ___sys_sendmsg+0xee/0x170 [19777.239332][ T7704] __sys_sendmsg+0xcd/0x170 [19777.239332][ T7704] do_syscall_64+0xc6/0x1e0 [19777.239332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19777.239332][ T7704] [19777.241799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19777.241799][ T7704] netdev_get_by_index+0x5e/0x80 [19777.241799][ T7704] fib6_nh_init+0x3d8/0x15b0 [19777.241799][ T7704] ip6_route_info_create+0xf18/0x17d0 [19777.241799][ T7704] addrconf_f6i_alloc+0x315/0x560 [19777.241799][ T7704] ipv6_add_addr+0x411/0x2000 [19777.241799][ T7704] inet6_addr_add+0x30e/0xa40 [19777.241799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19777.241799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19777.241799][ T7704] netlink_rcv_skb+0x130/0x360 [19777.241799][ T7704] netlink_unicast+0x449/0x710 [19777.241799][ T7704] netlink_sendmsg+0x723/0xbe0 [19777.241799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19777.241799][ T7704] ___sys_sendmsg+0xee/0x170 [19777.241799][ T7704] __sys_sendmsg+0xcd/0x170 [19777.241799][ T7704] do_syscall_64+0xc6/0x1e0 [19777.241799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19777.241799][ T7704] [19777.244249][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19777.244249][ T7704] netdev_get_by_index+0x5e/0x80 [19777.244249][ T7704] fib6_nh_init+0x3d8/0x15b0 [19777.244249][ T7704] ip6_route_info_create+0xf18/0x17d0 [19777.244249][ T7704] ip6_route_add+0x1c/0x140 [19777.244249][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19777.244249][ T7704] addrconf_add_dev+0xe2/0x170 [19777.244249][ T7704] inet6_addr_add+0x12f/0xa40 [19777.244249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19777.244249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19777.244249][ T7704] netlink_rcv_skb+0x130/0x360 [19777.244249][ T7704] netlink_unicast+0x449/0x710 [19777.244249][ T7704] netlink_sendmsg+0x723/0xbe0 [19777.244249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19777.244249][ T7704] ___sys_sendmsg+0xee/0x170 [19777.244249][ T7704] __sys_sendmsg+0xcd/0x170 [19777.244249][ T7704] do_syscall_64+0xc6/0x1e0 [19777.244249][ T7704] [19777.246648][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19777.246648][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19777.246648][ T7704] ipv6_find_idev+0x102/0x170 [19777.246648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19777.246648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19777.246648][ T7704] netlink_rcv_skb+0x130/0x360 [19777.246648][ T7704] netlink_unicast+0x449/0x710 [19777.246648][ T7704] netlink_sendmsg+0x723/0xbe0 [19777.246648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19777.246648][ T7704] ___sys_sendmsg+0xee/0x170 [19777.246648][ T7704] __sys_sendmsg+0xcd/0x170 [19777.246648][ T7704] do_syscall_64+0xc6/0x1e0 [19777.246648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19777.246648][ T7704] [19777.248571][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19777.248571][ T7704] neigh_parms_alloc+0x1e5/0x510 [19777.248571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19777.248571][ T7704] ipv6_find_idev+0x102/0x170 [19777.248571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19777.248571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19777.248571][ T7704] netlink_rcv_skb+0x130/0x360 [19777.248571][ T7704] netlink_unicast+0x449/0x710 [19777.248571][ T7704] netlink_sendmsg+0x723/0xbe0 [19777.248571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19777.248571][ T7704] ___sys_sendmsg+0xee/0x170 [19777.248571][ T7704] __sys_sendmsg+0xcd/0x170 [19777.248571][ T7704] do_syscall_64+0xc6/0x1e0 [19777.248571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19777.248571][ T7704] [19787.486950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19787.487388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19787.487388][ T7704] netdev_get_by_index+0x5e/0x80 [19787.487388][ T7704] fib6_nh_init+0x3d8/0x15b0 [19787.487388][ T7704] ip6_route_info_create+0xf18/0x17d0 [19787.487388][ T7704] ip6_route_add+0x1c/0x140 [19787.487388][ T7704] addrconf_prefix_route+0x2a6/0x430 [19787.487388][ T7704] inet6_addr_add+0x4f8/0xa40 [19787.487388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19787.487388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19787.487388][ T7704] netlink_rcv_skb+0x130/0x360 [19787.487388][ T7704] netlink_unicast+0x449/0x710 [19787.487388][ T7704] netlink_sendmsg+0x723/0xbe0 [19787.487388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19787.487388][ T7704] ___sys_sendmsg+0xee/0x170 [19787.487388][ T7704] __sys_sendmsg+0xcd/0x170 [19787.487388][ T7704] do_syscall_64+0xc6/0x1e0 [19787.487388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19787.487388][ T7704] [19787.489659][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19787.489659][ T7704] netdev_get_by_index+0x5e/0x80 [19787.489659][ T7704] fib6_nh_init+0x3d8/0x15b0 [19787.489659][ T7704] ip6_route_info_create+0xf18/0x17d0 [19787.489659][ T7704] addrconf_f6i_alloc+0x315/0x560 [19787.489659][ T7704] ipv6_add_addr+0x411/0x2000 [19787.489659][ T7704] inet6_addr_add+0x30e/0xa40 [19787.489659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19787.489659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19787.489659][ T7704] netlink_rcv_skb+0x130/0x360 [19787.489659][ T7704] netlink_unicast+0x449/0x710 [19787.489659][ T7704] netlink_sendmsg+0x723/0xbe0 [19787.489659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19787.489659][ T7704] ___sys_sendmsg+0xee/0x170 [19787.489659][ T7704] __sys_sendmsg+0xcd/0x170 [19787.489659][ T7704] do_syscall_64+0xc6/0x1e0 [19787.489659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19787.489659][ T7704] [19787.491904][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19787.491904][ T7704] netdev_get_by_index+0x5e/0x80 [19787.491904][ T7704] fib6_nh_init+0x3d8/0x15b0 [19787.491904][ T7704] ip6_route_info_create+0xf18/0x17d0 [19787.491904][ T7704] ip6_route_add+0x1c/0x140 [19787.491904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19787.491904][ T7704] addrconf_add_dev+0xe2/0x170 [19787.491904][ T7704] inet6_addr_add+0x12f/0xa40 [19787.491904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19787.491904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19787.491904][ T7704] netlink_rcv_skb+0x130/0x360 [19787.491904][ T7704] netlink_unicast+0x449/0x710 [19787.491904][ T7704] netlink_sendmsg+0x723/0xbe0 [19787.491904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19787.491904][ T7704] ___sys_sendmsg+0xee/0x170 [19787.491904][ T7704] __sys_sendmsg+0xcd/0x170 [19787.491904][ T7704] do_syscall_64+0xc6/0x1e0 [19787.491904][ T7704] [19787.494107][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19787.494107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19787.494107][ T7704] ipv6_find_idev+0x102/0x170 [19787.494107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19787.494107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19787.494107][ T7704] netlink_rcv_skb+0x130/0x360 [19787.494107][ T7704] netlink_unicast+0x449/0x710 [19787.494107][ T7704] netlink_sendmsg+0x723/0xbe0 [19787.494107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19787.494107][ T7704] ___sys_sendmsg+0xee/0x170 [19787.494107][ T7704] __sys_sendmsg+0xcd/0x170 [19787.494107][ T7704] do_syscall_64+0xc6/0x1e0 [19787.494107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19787.494107][ T7704] [19787.495836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19787.495836][ T7704] neigh_parms_alloc+0x1e5/0x510 [19787.495836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19787.495836][ T7704] ipv6_find_idev+0x102/0x170 [19787.495836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19787.495836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19787.495836][ T7704] netlink_rcv_skb+0x130/0x360 [19787.495836][ T7704] netlink_unicast+0x449/0x710 [19787.495836][ T7704] netlink_sendmsg+0x723/0xbe0 [19787.495836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19787.495836][ T7704] ___sys_sendmsg+0xee/0x170 [19787.495836][ T7704] __sys_sendmsg+0xcd/0x170 [19787.495836][ T7704] do_syscall_64+0xc6/0x1e0 [19787.495836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19787.495836][ T7704] [19797.734938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19797.735423][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19797.735423][ T7704] netdev_get_by_index+0x5e/0x80 [19797.735423][ T7704] fib6_nh_init+0x3d8/0x15b0 [19797.735423][ T7704] ip6_route_info_create+0xf18/0x17d0 [19797.735423][ T7704] ip6_route_add+0x1c/0x140 [19797.735423][ T7704] addrconf_prefix_route+0x2a6/0x430 [19797.735423][ T7704] inet6_addr_add+0x4f8/0xa40 [19797.735423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19797.735423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19797.735423][ T7704] netlink_rcv_skb+0x130/0x360 [19797.735423][ T7704] netlink_unicast+0x449/0x710 [19797.735423][ T7704] netlink_sendmsg+0x723/0xbe0 [19797.735423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19797.735423][ T7704] ___sys_sendmsg+0xee/0x170 [19797.735423][ T7704] __sys_sendmsg+0xcd/0x170 [19797.735423][ T7704] do_syscall_64+0xc6/0x1e0 [19797.735423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19797.735423][ T7704] [19797.737696][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19797.737696][ T7704] netdev_get_by_index+0x5e/0x80 [19797.737696][ T7704] fib6_nh_init+0x3d8/0x15b0 [19797.737696][ T7704] ip6_route_info_create+0xf18/0x17d0 [19797.737696][ T7704] addrconf_f6i_alloc+0x315/0x560 [19797.737696][ T7704] ipv6_add_addr+0x411/0x2000 [19797.737696][ T7704] inet6_addr_add+0x30e/0xa40 [19797.737696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19797.737696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19797.737696][ T7704] netlink_rcv_skb+0x130/0x360 [19797.737696][ T7704] netlink_unicast+0x449/0x710 [19797.737696][ T7704] netlink_sendmsg+0x723/0xbe0 [19797.737696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19797.737696][ T7704] ___sys_sendmsg+0xee/0x170 [19797.737696][ T7704] __sys_sendmsg+0xcd/0x170 [19797.737696][ T7704] do_syscall_64+0xc6/0x1e0 [19797.737696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19797.737696][ T7704] [19797.739952][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19797.739952][ T7704] netdev_get_by_index+0x5e/0x80 [19797.739952][ T7704] fib6_nh_init+0x3d8/0x15b0 [19797.739952][ T7704] ip6_route_info_create+0xf18/0x17d0 [19797.739952][ T7704] ip6_route_add+0x1c/0x140 [19797.739952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19797.739952][ T7704] addrconf_add_dev+0xe2/0x170 [19797.739952][ T7704] inet6_addr_add+0x12f/0xa40 [19797.739952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19797.739952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19797.739952][ T7704] netlink_rcv_skb+0x130/0x360 [19797.739952][ T7704] netlink_unicast+0x449/0x710 [19797.739952][ T7704] netlink_sendmsg+0x723/0xbe0 [19797.739952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19797.739952][ T7704] ___sys_sendmsg+0xee/0x170 [19797.739952][ T7704] __sys_sendmsg+0xcd/0x170 [19797.739952][ T7704] do_syscall_64+0xc6/0x1e0 [19797.739952][ T7704] [19797.742169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19797.742169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19797.742169][ T7704] ipv6_find_idev+0x102/0x170 [19797.742169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19797.742169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19797.742169][ T7704] netlink_rcv_skb+0x130/0x360 [19797.742169][ T7704] netlink_unicast+0x449/0x710 [19797.742169][ T7704] netlink_sendmsg+0x723/0xbe0 [19797.742169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19797.742169][ T7704] ___sys_sendmsg+0xee/0x170 [19797.742169][ T7704] __sys_sendmsg+0xcd/0x170 [19797.742169][ T7704] do_syscall_64+0xc6/0x1e0 [19797.742169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19797.742169][ T7704] [19797.743905][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19797.743905][ T7704] neigh_parms_alloc+0x1e5/0x510 [19797.743905][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19797.743905][ T7704] ipv6_find_idev+0x102/0x170 [19797.743905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19797.743905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19797.743905][ T7704] netlink_rcv_skb+0x130/0x360 [19797.743905][ T7704] netlink_unicast+0x449/0x710 [19797.743905][ T7704] netlink_sendmsg+0x723/0xbe0 [19797.743905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19797.743905][ T7704] ___sys_sendmsg+0xee/0x170 [19797.743905][ T7704] __sys_sendmsg+0xcd/0x170 [19797.743905][ T7704] do_syscall_64+0xc6/0x1e0 [19797.743905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19797.743905][ T7704] [19807.982962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19807.983444][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19807.983444][ T7704] netdev_get_by_index+0x5e/0x80 [19807.983444][ T7704] fib6_nh_init+0x3d8/0x15b0 [19807.983444][ T7704] ip6_route_info_create+0xf18/0x17d0 [19807.983444][ T7704] ip6_route_add+0x1c/0x140 [19807.983444][ T7704] addrconf_prefix_route+0x2a6/0x430 [19807.983444][ T7704] inet6_addr_add+0x4f8/0xa40 [19807.983444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19807.983444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19807.983444][ T7704] netlink_rcv_skb+0x130/0x360 [19807.983444][ T7704] netlink_unicast+0x449/0x710 [19807.983444][ T7704] netlink_sendmsg+0x723/0xbe0 [19807.983444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19807.983444][ T7704] ___sys_sendmsg+0xee/0x170 [19807.983444][ T7704] __sys_sendmsg+0xcd/0x170 [19807.983444][ T7704] do_syscall_64+0xc6/0x1e0 [19807.983444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19807.983444][ T7704] [19807.985686][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19807.985686][ T7704] netdev_get_by_index+0x5e/0x80 [19807.985686][ T7704] fib6_nh_init+0x3d8/0x15b0 [19807.985686][ T7704] ip6_route_info_create+0xf18/0x17d0 [19807.985686][ T7704] addrconf_f6i_alloc+0x315/0x560 [19807.985686][ T7704] ipv6_add_addr+0x411/0x2000 [19807.985686][ T7704] inet6_addr_add+0x30e/0xa40 [19807.985686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19807.985686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19807.985686][ T7704] netlink_rcv_skb+0x130/0x360 [19807.985686][ T7704] netlink_unicast+0x449/0x710 [19807.985686][ T7704] netlink_sendmsg+0x723/0xbe0 [19807.985686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19807.985686][ T7704] ___sys_sendmsg+0xee/0x170 [19807.985686][ T7704] __sys_sendmsg+0xcd/0x170 [19807.985686][ T7704] do_syscall_64+0xc6/0x1e0 [19807.985686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19807.985686][ T7704] [19807.987892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19807.987892][ T7704] netdev_get_by_index+0x5e/0x80 [19807.987892][ T7704] fib6_nh_init+0x3d8/0x15b0 [19807.987892][ T7704] ip6_route_info_create+0xf18/0x17d0 [19807.987892][ T7704] ip6_route_add+0x1c/0x140 [19807.987892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19807.987892][ T7704] addrconf_add_dev+0xe2/0x170 [19807.987892][ T7704] inet6_addr_add+0x12f/0xa40 [19807.987892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19807.987892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19807.987892][ T7704] netlink_rcv_skb+0x130/0x360 [19807.987892][ T7704] netlink_unicast+0x449/0x710 [19807.987892][ T7704] netlink_sendmsg+0x723/0xbe0 [19807.987892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19807.987892][ T7704] ___sys_sendmsg+0xee/0x170 [19807.987892][ T7704] __sys_sendmsg+0xcd/0x170 [19807.987892][ T7704] do_syscall_64+0xc6/0x1e0 [19807.987892][ T7704] [19807.990079][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19807.990079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19807.990079][ T7704] ipv6_find_idev+0x102/0x170 [19807.990079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19807.990079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19807.990079][ T7704] netlink_rcv_skb+0x130/0x360 [19807.990079][ T7704] netlink_unicast+0x449/0x710 [19807.990079][ T7704] netlink_sendmsg+0x723/0xbe0 [19807.990079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19807.990079][ T7704] ___sys_sendmsg+0xee/0x170 [19807.990079][ T7704] __sys_sendmsg+0xcd/0x170 [19807.990079][ T7704] do_syscall_64+0xc6/0x1e0 [19807.990079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19807.990079][ T7704] [19807.991776][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19807.991776][ T7704] neigh_parms_alloc+0x1e5/0x510 [19807.991776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19807.991776][ T7704] ipv6_find_idev+0x102/0x170 [19807.991776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19807.991776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19807.991776][ T7704] netlink_rcv_skb+0x130/0x360 [19807.991776][ T7704] netlink_unicast+0x449/0x710 [19807.991776][ T7704] netlink_sendmsg+0x723/0xbe0 [19807.991776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19807.991776][ T7704] ___sys_sendmsg+0xee/0x170 [19807.991776][ T7704] __sys_sendmsg+0xcd/0x170 [19807.991776][ T7704] do_syscall_64+0xc6/0x1e0 [19807.991776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19807.991776][ T7704] [19818.022927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19818.023399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19818.023399][ T7704] netdev_get_by_index+0x5e/0x80 [19818.023399][ T7704] fib6_nh_init+0x3d8/0x15b0 [19818.023399][ T7704] ip6_route_info_create+0xf18/0x17d0 [19818.023399][ T7704] ip6_route_add+0x1c/0x140 [19818.023399][ T7704] addrconf_prefix_route+0x2a6/0x430 [19818.023399][ T7704] inet6_addr_add+0x4f8/0xa40 [19818.023399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19818.023399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19818.023399][ T7704] netlink_rcv_skb+0x130/0x360 [19818.023399][ T7704] netlink_unicast+0x449/0x710 [19818.023399][ T7704] netlink_sendmsg+0x723/0xbe0 [19818.023399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19818.023399][ T7704] ___sys_sendmsg+0xee/0x170 [19818.023399][ T7704] __sys_sendmsg+0xcd/0x170 [19818.023399][ T7704] do_syscall_64+0xc6/0x1e0 [19818.023399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19818.023399][ T7704] [19818.025639][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19818.025639][ T7704] netdev_get_by_index+0x5e/0x80 [19818.025639][ T7704] fib6_nh_init+0x3d8/0x15b0 [19818.025639][ T7704] ip6_route_info_create+0xf18/0x17d0 [19818.025639][ T7704] addrconf_f6i_alloc+0x315/0x560 [19818.025639][ T7704] ipv6_add_addr+0x411/0x2000 [19818.025639][ T7704] inet6_addr_add+0x30e/0xa40 [19818.025639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19818.025639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19818.025639][ T7704] netlink_rcv_skb+0x130/0x360 [19818.025639][ T7704] netlink_unicast+0x449/0x710 [19818.025639][ T7704] netlink_sendmsg+0x723/0xbe0 [19818.025639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19818.025639][ T7704] ___sys_sendmsg+0xee/0x170 [19818.025639][ T7704] __sys_sendmsg+0xcd/0x170 [19818.025639][ T7704] do_syscall_64+0xc6/0x1e0 [19818.025639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19818.025639][ T7704] [19818.027869][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19818.027869][ T7704] netdev_get_by_index+0x5e/0x80 [19818.027869][ T7704] fib6_nh_init+0x3d8/0x15b0 [19818.027869][ T7704] ip6_route_info_create+0xf18/0x17d0 [19818.027869][ T7704] ip6_route_add+0x1c/0x140 [19818.027869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19818.027869][ T7704] addrconf_add_dev+0xe2/0x170 [19818.027869][ T7704] inet6_addr_add+0x12f/0xa40 [19818.027869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19818.027869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19818.027869][ T7704] netlink_rcv_skb+0x130/0x360 [19818.027869][ T7704] netlink_unicast+0x449/0x710 [19818.027869][ T7704] netlink_sendmsg+0x723/0xbe0 [19818.027869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19818.027869][ T7704] ___sys_sendmsg+0xee/0x170 [19818.027869][ T7704] __sys_sendmsg+0xcd/0x170 [19818.027869][ T7704] do_syscall_64+0xc6/0x1e0 [19818.027869][ T7704] [19818.030055][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19818.030055][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19818.030055][ T7704] ipv6_find_idev+0x102/0x170 [19818.030055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19818.030055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19818.030055][ T7704] netlink_rcv_skb+0x130/0x360 [19818.030055][ T7704] netlink_unicast+0x449/0x710 [19818.030055][ T7704] netlink_sendmsg+0x723/0xbe0 [19818.030055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19818.030055][ T7704] ___sys_sendmsg+0xee/0x170 [19818.030055][ T7704] __sys_sendmsg+0xcd/0x170 [19818.030055][ T7704] do_syscall_64+0xc6/0x1e0 [19818.030055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19818.030055][ T7704] [19818.031759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19818.031759][ T7704] neigh_parms_alloc+0x1e5/0x510 [19818.031759][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19818.031759][ T7704] ipv6_find_idev+0x102/0x170 [19818.031759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19818.031759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19818.031759][ T7704] netlink_rcv_skb+0x130/0x360 [19818.031759][ T7704] netlink_unicast+0x449/0x710 [19818.031759][ T7704] netlink_sendmsg+0x723/0xbe0 [19818.031759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19818.031759][ T7704] ___sys_sendmsg+0xee/0x170 [19818.031759][ T7704] __sys_sendmsg+0xcd/0x170 [19818.031759][ T7704] do_syscall_64+0xc6/0x1e0 [19818.031759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19818.031759][ T7704] [19828.270941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19828.271421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19828.271421][ T7704] netdev_get_by_index+0x5e/0x80 [19828.271421][ T7704] fib6_nh_init+0x3d8/0x15b0 [19828.271421][ T7704] ip6_route_info_create+0xf18/0x17d0 [19828.271421][ T7704] ip6_route_add+0x1c/0x140 [19828.271421][ T7704] addrconf_prefix_route+0x2a6/0x430 [19828.271421][ T7704] inet6_addr_add+0x4f8/0xa40 [19828.271421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19828.271421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19828.271421][ T7704] netlink_rcv_skb+0x130/0x360 [19828.271421][ T7704] netlink_unicast+0x449/0x710 [19828.271421][ T7704] netlink_sendmsg+0x723/0xbe0 [19828.271421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19828.271421][ T7704] ___sys_sendmsg+0xee/0x170 [19828.271421][ T7704] __sys_sendmsg+0xcd/0x170 [19828.271421][ T7704] do_syscall_64+0xc6/0x1e0 [19828.271421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19828.271421][ T7704] [19828.273669][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19828.273669][ T7704] netdev_get_by_index+0x5e/0x80 [19828.273669][ T7704] fib6_nh_init+0x3d8/0x15b0 [19828.273669][ T7704] ip6_route_info_create+0xf18/0x17d0 [19828.273669][ T7704] addrconf_f6i_alloc+0x315/0x560 [19828.273669][ T7704] ipv6_add_addr+0x411/0x2000 [19828.273669][ T7704] inet6_addr_add+0x30e/0xa40 [19828.273669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19828.273669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19828.273669][ T7704] netlink_rcv_skb+0x130/0x360 [19828.273669][ T7704] netlink_unicast+0x449/0x710 [19828.273669][ T7704] netlink_sendmsg+0x723/0xbe0 [19828.273669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19828.273669][ T7704] ___sys_sendmsg+0xee/0x170 [19828.273669][ T7704] __sys_sendmsg+0xcd/0x170 [19828.273669][ T7704] do_syscall_64+0xc6/0x1e0 [19828.273669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19828.273669][ T7704] [19828.275887][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19828.275887][ T7704] netdev_get_by_index+0x5e/0x80 [19828.275887][ T7704] fib6_nh_init+0x3d8/0x15b0 [19828.275887][ T7704] ip6_route_info_create+0xf18/0x17d0 [19828.275887][ T7704] ip6_route_add+0x1c/0x140 [19828.275887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19828.275887][ T7704] addrconf_add_dev+0xe2/0x170 [19828.275887][ T7704] inet6_addr_add+0x12f/0xa40 [19828.275887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19828.275887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19828.275887][ T7704] netlink_rcv_skb+0x130/0x360 [19828.275887][ T7704] netlink_unicast+0x449/0x710 [19828.275887][ T7704] netlink_sendmsg+0x723/0xbe0 [19828.275887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19828.275887][ T7704] ___sys_sendmsg+0xee/0x170 [19828.275887][ T7704] __sys_sendmsg+0xcd/0x170 [19828.275887][ T7704] do_syscall_64+0xc6/0x1e0 [19828.275887][ T7704] [19828.278078][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19828.278078][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19828.278078][ T7704] ipv6_find_idev+0x102/0x170 [19828.278078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19828.278078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19828.278078][ T7704] netlink_rcv_skb+0x130/0x360 [19828.278078][ T7704] netlink_unicast+0x449/0x710 [19828.278078][ T7704] netlink_sendmsg+0x723/0xbe0 [19828.278078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19828.278078][ T7704] ___sys_sendmsg+0xee/0x170 [19828.278078][ T7704] __sys_sendmsg+0xcd/0x170 [19828.278078][ T7704] do_syscall_64+0xc6/0x1e0 [19828.278078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19828.278078][ T7704] [19828.279784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19828.279784][ T7704] neigh_parms_alloc+0x1e5/0x510 [19828.279784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19828.279784][ T7704] ipv6_find_idev+0x102/0x170 [19828.279784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19828.279784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19828.279784][ T7704] netlink_rcv_skb+0x130/0x360 [19828.279784][ T7704] netlink_unicast+0x449/0x710 [19828.279784][ T7704] netlink_sendmsg+0x723/0xbe0 [19828.279784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19828.279784][ T7704] ___sys_sendmsg+0xee/0x170 [19828.279784][ T7704] __sys_sendmsg+0xcd/0x170 [19828.279784][ T7704] do_syscall_64+0xc6/0x1e0 [19828.279784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19828.279784][ T7704] [19838.518865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19838.519338][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19838.519338][ T7704] netdev_get_by_index+0x5e/0x80 [19838.519338][ T7704] fib6_nh_init+0x3d8/0x15b0 [19838.519338][ T7704] ip6_route_info_create+0xf18/0x17d0 [19838.519338][ T7704] ip6_route_add+0x1c/0x140 [19838.519338][ T7704] addrconf_prefix_route+0x2a6/0x430 [19838.519338][ T7704] inet6_addr_add+0x4f8/0xa40 [19838.519338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19838.519338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19838.519338][ T7704] netlink_rcv_skb+0x130/0x360 [19838.519338][ T7704] netlink_unicast+0x449/0x710 [19838.519338][ T7704] netlink_sendmsg+0x723/0xbe0 [19838.519338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19838.519338][ T7704] ___sys_sendmsg+0xee/0x170 [19838.519338][ T7704] __sys_sendmsg+0xcd/0x170 [19838.519338][ T7704] do_syscall_64+0xc6/0x1e0 [19838.519338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19838.519338][ T7704] [19838.521574][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19838.521574][ T7704] netdev_get_by_index+0x5e/0x80 [19838.521574][ T7704] fib6_nh_init+0x3d8/0x15b0 [19838.521574][ T7704] ip6_route_info_create+0xf18/0x17d0 [19838.521574][ T7704] addrconf_f6i_alloc+0x315/0x560 [19838.521574][ T7704] ipv6_add_addr+0x411/0x2000 [19838.521574][ T7704] inet6_addr_add+0x30e/0xa40 [19838.521574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19838.521574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19838.521574][ T7704] netlink_rcv_skb+0x130/0x360 [19838.521574][ T7704] netlink_unicast+0x449/0x710 [19838.521574][ T7704] netlink_sendmsg+0x723/0xbe0 [19838.521574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19838.521574][ T7704] ___sys_sendmsg+0xee/0x170 [19838.521574][ T7704] __sys_sendmsg+0xcd/0x170 [19838.521574][ T7704] do_syscall_64+0xc6/0x1e0 [19838.521574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19838.521574][ T7704] [19838.523788][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19838.523788][ T7704] netdev_get_by_index+0x5e/0x80 [19838.523788][ T7704] fib6_nh_init+0x3d8/0x15b0 [19838.523788][ T7704] ip6_route_info_create+0xf18/0x17d0 [19838.523788][ T7704] ip6_route_add+0x1c/0x140 [19838.523788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19838.523788][ T7704] addrconf_add_dev+0xe2/0x170 [19838.523788][ T7704] inet6_addr_add+0x12f/0xa40 [19838.523788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19838.523788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19838.523788][ T7704] netlink_rcv_skb+0x130/0x360 [19838.523788][ T7704] netlink_unicast+0x449/0x710 [19838.523788][ T7704] netlink_sendmsg+0x723/0xbe0 [19838.523788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19838.523788][ T7704] ___sys_sendmsg+0xee/0x170 [19838.523788][ T7704] __sys_sendmsg+0xcd/0x170 [19838.523788][ T7704] do_syscall_64+0xc6/0x1e0 [19838.523788][ T7704] [19838.525961][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19838.525961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19838.525961][ T7704] ipv6_find_idev+0x102/0x170 [19838.525961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19838.525961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19838.525961][ T7704] netlink_rcv_skb+0x130/0x360 [19838.525961][ T7704] netlink_unicast+0x449/0x710 [19838.525961][ T7704] netlink_sendmsg+0x723/0xbe0 [19838.525961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19838.525961][ T7704] ___sys_sendmsg+0xee/0x170 [19838.525961][ T7704] __sys_sendmsg+0xcd/0x170 [19838.525961][ T7704] do_syscall_64+0xc6/0x1e0 [19838.525961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19838.525961][ T7704] [19838.527658][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19838.527658][ T7704] neigh_parms_alloc+0x1e5/0x510 [19838.527658][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19838.527658][ T7704] ipv6_find_idev+0x102/0x170 [19838.527658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19838.527658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19838.527658][ T7704] netlink_rcv_skb+0x130/0x360 [19838.527658][ T7704] netlink_unicast+0x449/0x710 [19838.527658][ T7704] netlink_sendmsg+0x723/0xbe0 [19838.527658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19838.527658][ T7704] ___sys_sendmsg+0xee/0x170 [19838.527658][ T7704] __sys_sendmsg+0xcd/0x170 [19838.527658][ T7704] do_syscall_64+0xc6/0x1e0 [19838.527658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19838.527658][ T7704] [19848.767015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19848.767487][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19848.767487][ T7704] netdev_get_by_index+0x5e/0x80 [19848.767487][ T7704] fib6_nh_init+0x3d8/0x15b0 [19848.767487][ T7704] ip6_route_info_create+0xf18/0x17d0 [19848.767487][ T7704] ip6_route_add+0x1c/0x140 [19848.767487][ T7704] addrconf_prefix_route+0x2a6/0x430 [19848.767487][ T7704] inet6_addr_add+0x4f8/0xa40 [19848.767487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19848.767487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19848.767487][ T7704] netlink_rcv_skb+0x130/0x360 [19848.767487][ T7704] netlink_unicast+0x449/0x710 [19848.767487][ T7704] netlink_sendmsg+0x723/0xbe0 [19848.767487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19848.767487][ T7704] ___sys_sendmsg+0xee/0x170 [19848.767487][ T7704] __sys_sendmsg+0xcd/0x170 [19848.767487][ T7704] do_syscall_64+0xc6/0x1e0 [19848.767487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19848.767487][ T7704] [19848.769756][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19848.769756][ T7704] netdev_get_by_index+0x5e/0x80 [19848.769756][ T7704] fib6_nh_init+0x3d8/0x15b0 [19848.769756][ T7704] ip6_route_info_create+0xf18/0x17d0 [19848.769756][ T7704] addrconf_f6i_alloc+0x315/0x560 [19848.769756][ T7704] ipv6_add_addr+0x411/0x2000 [19848.769756][ T7704] inet6_addr_add+0x30e/0xa40 [19848.769756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19848.769756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19848.769756][ T7704] netlink_rcv_skb+0x130/0x360 [19848.769756][ T7704] netlink_unicast+0x449/0x710 [19848.769756][ T7704] netlink_sendmsg+0x723/0xbe0 [19848.769756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19848.769756][ T7704] ___sys_sendmsg+0xee/0x170 [19848.769756][ T7704] __sys_sendmsg+0xcd/0x170 [19848.769756][ T7704] do_syscall_64+0xc6/0x1e0 [19848.769756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19848.769756][ T7704] [19848.771979][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19848.771979][ T7704] netdev_get_by_index+0x5e/0x80 [19848.771979][ T7704] fib6_nh_init+0x3d8/0x15b0 [19848.771979][ T7704] ip6_route_info_create+0xf18/0x17d0 [19848.771979][ T7704] ip6_route_add+0x1c/0x140 [19848.771979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19848.771979][ T7704] addrconf_add_dev+0xe2/0x170 [19848.771979][ T7704] inet6_addr_add+0x12f/0xa40 [19848.771979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19848.771979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19848.771979][ T7704] netlink_rcv_skb+0x130/0x360 [19848.771979][ T7704] netlink_unicast+0x449/0x710 [19848.771979][ T7704] netlink_sendmsg+0x723/0xbe0 [19848.771979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19848.771979][ T7704] ___sys_sendmsg+0xee/0x170 [19848.771979][ T7704] __sys_sendmsg+0xcd/0x170 [19848.771979][ T7704] do_syscall_64+0xc6/0x1e0 [19848.771979][ T7704] [19848.774147][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19848.774147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19848.774147][ T7704] ipv6_find_idev+0x102/0x170 [19848.774147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19848.774147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19848.774147][ T7704] netlink_rcv_skb+0x130/0x360 [19848.774147][ T7704] netlink_unicast+0x449/0x710 [19848.774147][ T7704] netlink_sendmsg+0x723/0xbe0 [19848.774147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19848.774147][ T7704] ___sys_sendmsg+0xee/0x170 [19848.774147][ T7704] __sys_sendmsg+0xcd/0x170 [19848.774147][ T7704] do_syscall_64+0xc6/0x1e0 [19848.774147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19848.774147][ T7704] [19848.775858][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19848.775858][ T7704] neigh_parms_alloc+0x1e5/0x510 [19848.775858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19848.775858][ T7704] ipv6_find_idev+0x102/0x170 [19848.775858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19848.775858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19848.775858][ T7704] netlink_rcv_skb+0x130/0x360 [19848.775858][ T7704] netlink_unicast+0x449/0x710 [19848.775858][ T7704] netlink_sendmsg+0x723/0xbe0 [19848.775858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19848.775858][ T7704] ___sys_sendmsg+0xee/0x170 [19848.775858][ T7704] __sys_sendmsg+0xcd/0x170 [19848.775858][ T7704] do_syscall_64+0xc6/0x1e0 [19848.775858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19848.775858][ T7704] [19858.822867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19858.823818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19858.823818][ T7704] netdev_get_by_index+0x5e/0x80 [19858.823818][ T7704] fib6_nh_init+0x3d8/0x15b0 [19858.823818][ T7704] ip6_route_info_create+0xf18/0x17d0 [19858.823818][ T7704] ip6_route_add+0x1c/0x140 [19858.823818][ T7704] addrconf_prefix_route+0x2a6/0x430 [19858.823818][ T7704] inet6_addr_add+0x4f8/0xa40 [19858.823818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19858.823818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19858.823818][ T7704] netlink_rcv_skb+0x130/0x360 [19858.823818][ T7704] netlink_unicast+0x449/0x710 [19858.823818][ T7704] netlink_sendmsg+0x723/0xbe0 [19858.823818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19858.823818][ T7704] ___sys_sendmsg+0xee/0x170 [19858.823818][ T7704] __sys_sendmsg+0xcd/0x170 [19858.823818][ T7704] do_syscall_64+0xc6/0x1e0 [19858.823818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19858.823818][ T7704] [19858.826037][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19858.826037][ T7704] netdev_get_by_index+0x5e/0x80 [19858.826037][ T7704] fib6_nh_init+0x3d8/0x15b0 [19858.826037][ T7704] ip6_route_info_create+0xf18/0x17d0 [19858.826037][ T7704] addrconf_f6i_alloc+0x315/0x560 [19858.826037][ T7704] ipv6_add_addr+0x411/0x2000 [19858.826037][ T7704] inet6_addr_add+0x30e/0xa40 [19858.826037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19858.826037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19858.826037][ T7704] netlink_rcv_skb+0x130/0x360 [19858.826037][ T7704] netlink_unicast+0x449/0x710 [19858.826037][ T7704] netlink_sendmsg+0x723/0xbe0 [19858.826037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19858.826037][ T7704] ___sys_sendmsg+0xee/0x170 [19858.826037][ T7704] __sys_sendmsg+0xcd/0x170 [19858.826037][ T7704] do_syscall_64+0xc6/0x1e0 [19858.826037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19858.826037][ T7704] [19858.828621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19858.828621][ T7704] netdev_get_by_index+0x5e/0x80 [19858.828621][ T7704] fib6_nh_init+0x3d8/0x15b0 [19858.828621][ T7704] ip6_route_info_create+0xf18/0x17d0 [19858.828621][ T7704] ip6_route_add+0x1c/0x140 [19858.828621][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19858.828621][ T7704] addrconf_add_dev+0xe2/0x170 [19858.828621][ T7704] inet6_addr_add+0x12f/0xa40 [19858.828621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19858.828621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19858.828621][ T7704] netlink_rcv_skb+0x130/0x360 [19858.828621][ T7704] netlink_unicast+0x449/0x710 [19858.828621][ T7704] netlink_sendmsg+0x723/0xbe0 [19858.828621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19858.828621][ T7704] ___sys_sendmsg+0xee/0x170 [19858.828621][ T7704] __sys_sendmsg+0xcd/0x170 [19858.828621][ T7704] do_syscall_64+0xc6/0x1e0 [19858.828621][ T7704] [19858.830791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19858.830791][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19858.830791][ T7704] ipv6_find_idev+0x102/0x170 [19858.830791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19858.830791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19858.830791][ T7704] netlink_rcv_skb+0x130/0x360 [19858.830791][ T7704] netlink_unicast+0x449/0x710 [19858.830791][ T7704] netlink_sendmsg+0x723/0xbe0 [19858.830791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19858.830791][ T7704] ___sys_sendmsg+0xee/0x170 [19858.830791][ T7704] __sys_sendmsg+0xcd/0x170 [19858.830791][ T7704] do_syscall_64+0xc6/0x1e0 [19858.830791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19858.830791][ T7704] [19858.832483][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19858.832483][ T7704] neigh_parms_alloc+0x1e5/0x510 [19858.832483][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19858.832483][ T7704] ipv6_find_idev+0x102/0x170 [19858.832483][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19858.832483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19858.832483][ T7704] netlink_rcv_skb+0x130/0x360 [19858.832483][ T7704] netlink_unicast+0x449/0x710 [19858.832483][ T7704] netlink_sendmsg+0x723/0xbe0 [19858.832483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19858.832483][ T7704] ___sys_sendmsg+0xee/0x170 [19858.832483][ T7704] __sys_sendmsg+0xcd/0x170 [19858.832483][ T7704] do_syscall_64+0xc6/0x1e0 [19858.832483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19858.832483][ T7704] [19868.966935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19868.967425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19868.967425][ T7704] netdev_get_by_index+0x5e/0x80 [19868.967425][ T7704] fib6_nh_init+0x3d8/0x15b0 [19868.967425][ T7704] ip6_route_info_create+0xf18/0x17d0 [19868.967425][ T7704] ip6_route_add+0x1c/0x140 [19868.967425][ T7704] addrconf_prefix_route+0x2a6/0x430 [19868.967425][ T7704] inet6_addr_add+0x4f8/0xa40 [19868.967425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19868.967425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19868.967425][ T7704] netlink_rcv_skb+0x130/0x360 [19868.967425][ T7704] netlink_unicast+0x449/0x710 [19868.967425][ T7704] netlink_sendmsg+0x723/0xbe0 [19868.967425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19868.967425][ T7704] ___sys_sendmsg+0xee/0x170 [19868.967425][ T7704] __sys_sendmsg+0xcd/0x170 [19868.967425][ T7704] do_syscall_64+0xc6/0x1e0 [19868.967425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19868.967425][ T7704] [19868.969666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19868.969666][ T7704] netdev_get_by_index+0x5e/0x80 [19868.969666][ T7704] fib6_nh_init+0x3d8/0x15b0 [19868.969666][ T7704] ip6_route_info_create+0xf18/0x17d0 [19868.969666][ T7704] addrconf_f6i_alloc+0x315/0x560 [19868.969666][ T7704] ipv6_add_addr+0x411/0x2000 [19868.969666][ T7704] inet6_addr_add+0x30e/0xa40 [19868.969666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19868.969666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19868.969666][ T7704] netlink_rcv_skb+0x130/0x360 [19868.969666][ T7704] netlink_unicast+0x449/0x710 [19868.969666][ T7704] netlink_sendmsg+0x723/0xbe0 [19868.969666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19868.969666][ T7704] ___sys_sendmsg+0xee/0x170 [19868.969666][ T7704] __sys_sendmsg+0xcd/0x170 [19868.969666][ T7704] do_syscall_64+0xc6/0x1e0 [19868.969666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19868.969666][ T7704] [19868.971898][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19868.971898][ T7704] netdev_get_by_index+0x5e/0x80 [19868.971898][ T7704] fib6_nh_init+0x3d8/0x15b0 [19868.971898][ T7704] ip6_route_info_create+0xf18/0x17d0 [19868.971898][ T7704] ip6_route_add+0x1c/0x140 [19868.971898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19868.971898][ T7704] addrconf_add_dev+0xe2/0x170 [19868.971898][ T7704] inet6_addr_add+0x12f/0xa40 [19868.971898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19868.971898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19868.971898][ T7704] netlink_rcv_skb+0x130/0x360 [19868.971898][ T7704] netlink_unicast+0x449/0x710 [19868.971898][ T7704] netlink_sendmsg+0x723/0xbe0 [19868.971898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19868.971898][ T7704] ___sys_sendmsg+0xee/0x170 [19868.971898][ T7704] __sys_sendmsg+0xcd/0x170 [19868.971898][ T7704] do_syscall_64+0xc6/0x1e0 [19868.971898][ T7704] [19868.974080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19868.974080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19868.974080][ T7704] ipv6_find_idev+0x102/0x170 [19868.974080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19868.974080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19868.974080][ T7704] netlink_rcv_skb+0x130/0x360 [19868.974080][ T7704] netlink_unicast+0x449/0x710 [19868.974080][ T7704] netlink_sendmsg+0x723/0xbe0 [19868.974080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19868.974080][ T7704] ___sys_sendmsg+0xee/0x170 [19868.974080][ T7704] __sys_sendmsg+0xcd/0x170 [19868.974080][ T7704] do_syscall_64+0xc6/0x1e0 [19868.974080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19868.974080][ T7704] [19868.975789][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19868.975789][ T7704] neigh_parms_alloc+0x1e5/0x510 [19868.975789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19868.975789][ T7704] ipv6_find_idev+0x102/0x170 [19868.975789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19868.975789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19868.975789][ T7704] netlink_rcv_skb+0x130/0x360 [19868.975789][ T7704] netlink_unicast+0x449/0x710 [19868.975789][ T7704] netlink_sendmsg+0x723/0xbe0 [19868.975789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19868.975789][ T7704] ___sys_sendmsg+0xee/0x170 [19868.975789][ T7704] __sys_sendmsg+0xcd/0x170 [19868.975789][ T7704] do_syscall_64+0xc6/0x1e0 [19868.975789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19868.975789][ T7704] [19879.094935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19879.095428][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19879.095428][ T7704] netdev_get_by_index+0x5e/0x80 [19879.095428][ T7704] fib6_nh_init+0x3d8/0x15b0 [19879.095428][ T7704] ip6_route_info_create+0xf18/0x17d0 [19879.095428][ T7704] ip6_route_add+0x1c/0x140 [19879.095428][ T7704] addrconf_prefix_route+0x2a6/0x430 [19879.095428][ T7704] inet6_addr_add+0x4f8/0xa40 [19879.095428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19879.095428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19879.095428][ T7704] netlink_rcv_skb+0x130/0x360 [19879.095428][ T7704] netlink_unicast+0x449/0x710 [19879.095428][ T7704] netlink_sendmsg+0x723/0xbe0 [19879.095428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19879.095428][ T7704] ___sys_sendmsg+0xee/0x170 [19879.095428][ T7704] __sys_sendmsg+0xcd/0x170 [19879.095428][ T7704] do_syscall_64+0xc6/0x1e0 [19879.095428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19879.095428][ T7704] [19879.097706][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19879.097706][ T7704] netdev_get_by_index+0x5e/0x80 [19879.097706][ T7704] fib6_nh_init+0x3d8/0x15b0 [19879.097706][ T7704] ip6_route_info_create+0xf18/0x17d0 [19879.097706][ T7704] addrconf_f6i_alloc+0x315/0x560 [19879.097706][ T7704] ipv6_add_addr+0x411/0x2000 [19879.097706][ T7704] inet6_addr_add+0x30e/0xa40 [19879.097706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19879.097706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19879.097706][ T7704] netlink_rcv_skb+0x130/0x360 [19879.097706][ T7704] netlink_unicast+0x449/0x710 [19879.097706][ T7704] netlink_sendmsg+0x723/0xbe0 [19879.097706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19879.097706][ T7704] ___sys_sendmsg+0xee/0x170 [19879.097706][ T7704] __sys_sendmsg+0xcd/0x170 [19879.097706][ T7704] do_syscall_64+0xc6/0x1e0 [19879.097706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19879.097706][ T7704] [19879.099976][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19879.099976][ T7704] netdev_get_by_index+0x5e/0x80 [19879.099976][ T7704] fib6_nh_init+0x3d8/0x15b0 [19879.099976][ T7704] ip6_route_info_create+0xf18/0x17d0 [19879.099976][ T7704] ip6_route_add+0x1c/0x140 [19879.099976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19879.099976][ T7704] addrconf_add_dev+0xe2/0x170 [19879.099976][ T7704] inet6_addr_add+0x12f/0xa40 [19879.099976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19879.099976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19879.099976][ T7704] netlink_rcv_skb+0x130/0x360 [19879.099976][ T7704] netlink_unicast+0x449/0x710 [19879.099976][ T7704] netlink_sendmsg+0x723/0xbe0 [19879.099976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19879.099976][ T7704] ___sys_sendmsg+0xee/0x170 [19879.099976][ T7704] __sys_sendmsg+0xcd/0x170 [19879.099976][ T7704] do_syscall_64+0xc6/0x1e0 [19879.099976][ T7704] [19879.102197][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19879.102197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19879.102197][ T7704] ipv6_find_idev+0x102/0x170 [19879.102197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19879.102197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19879.102197][ T7704] netlink_rcv_skb+0x130/0x360 [19879.102197][ T7704] netlink_unicast+0x449/0x710 [19879.102197][ T7704] netlink_sendmsg+0x723/0xbe0 [19879.102197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19879.102197][ T7704] ___sys_sendmsg+0xee/0x170 [19879.102197][ T7704] __sys_sendmsg+0xcd/0x170 [19879.102197][ T7704] do_syscall_64+0xc6/0x1e0 [19879.102197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19879.102197][ T7704] [19879.104439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19879.104439][ T7704] neigh_parms_alloc+0x1e5/0x510 [19879.104439][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19879.104439][ T7704] ipv6_find_idev+0x102/0x170 [19879.104439][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19879.104439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19879.104439][ T7704] netlink_rcv_skb+0x130/0x360 [19879.104439][ T7704] netlink_unicast+0x449/0x710 [19879.104439][ T7704] netlink_sendmsg+0x723/0xbe0 [19879.104439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19879.104439][ T7704] ___sys_sendmsg+0xee/0x170 [19879.104439][ T7704] __sys_sendmsg+0xcd/0x170 [19879.104439][ T7704] do_syscall_64+0xc6/0x1e0 [19879.104439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19879.104439][ T7704] [19889.342930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19889.343402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19889.343402][ T7704] netdev_get_by_index+0x5e/0x80 [19889.343402][ T7704] fib6_nh_init+0x3d8/0x15b0 [19889.343402][ T7704] ip6_route_info_create+0xf18/0x17d0 [19889.343402][ T7704] ip6_route_add+0x1c/0x140 [19889.343402][ T7704] addrconf_prefix_route+0x2a6/0x430 [19889.343402][ T7704] inet6_addr_add+0x4f8/0xa40 [19889.343402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19889.343402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19889.343402][ T7704] netlink_rcv_skb+0x130/0x360 [19889.343402][ T7704] netlink_unicast+0x449/0x710 [19889.343402][ T7704] netlink_sendmsg+0x723/0xbe0 [19889.343402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19889.343402][ T7704] ___sys_sendmsg+0xee/0x170 [19889.343402][ T7704] __sys_sendmsg+0xcd/0x170 [19889.343402][ T7704] do_syscall_64+0xc6/0x1e0 [19889.343402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19889.343402][ T7704] [19889.345641][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19889.345641][ T7704] netdev_get_by_index+0x5e/0x80 [19889.345641][ T7704] fib6_nh_init+0x3d8/0x15b0 [19889.345641][ T7704] ip6_route_info_create+0xf18/0x17d0 [19889.345641][ T7704] addrconf_f6i_alloc+0x315/0x560 [19889.345641][ T7704] ipv6_add_addr+0x411/0x2000 [19889.345641][ T7704] inet6_addr_add+0x30e/0xa40 [19889.345641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19889.345641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19889.345641][ T7704] netlink_rcv_skb+0x130/0x360 [19889.345641][ T7704] netlink_unicast+0x449/0x710 [19889.345641][ T7704] netlink_sendmsg+0x723/0xbe0 [19889.345641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19889.345641][ T7704] ___sys_sendmsg+0xee/0x170 [19889.345641][ T7704] __sys_sendmsg+0xcd/0x170 [19889.345641][ T7704] do_syscall_64+0xc6/0x1e0 [19889.345641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19889.345641][ T7704] [19889.347876][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19889.347876][ T7704] netdev_get_by_index+0x5e/0x80 [19889.347876][ T7704] fib6_nh_init+0x3d8/0x15b0 [19889.347876][ T7704] ip6_route_info_create+0xf18/0x17d0 [19889.347876][ T7704] ip6_route_add+0x1c/0x140 [19889.347876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19889.347876][ T7704] addrconf_add_dev+0xe2/0x170 [19889.347876][ T7704] inet6_addr_add+0x12f/0xa40 [19889.347876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19889.347876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19889.347876][ T7704] netlink_rcv_skb+0x130/0x360 [19889.347876][ T7704] netlink_unicast+0x449/0x710 [19889.347876][ T7704] netlink_sendmsg+0x723/0xbe0 [19889.347876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19889.347876][ T7704] ___sys_sendmsg+0xee/0x170 [19889.347876][ T7704] __sys_sendmsg+0xcd/0x170 [19889.347876][ T7704] do_syscall_64+0xc6/0x1e0 [19889.347876][ T7704] [19889.350051][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19889.350051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19889.350051][ T7704] ipv6_find_idev+0x102/0x170 [19889.350051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19889.350051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19889.350051][ T7704] netlink_rcv_skb+0x130/0x360 [19889.350051][ T7704] netlink_unicast+0x449/0x710 [19889.350051][ T7704] netlink_sendmsg+0x723/0xbe0 [19889.350051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19889.350051][ T7704] ___sys_sendmsg+0xee/0x170 [19889.350051][ T7704] __sys_sendmsg+0xcd/0x170 [19889.350051][ T7704] do_syscall_64+0xc6/0x1e0 [19889.350051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19889.350051][ T7704] [19889.351761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19889.351761][ T7704] neigh_parms_alloc+0x1e5/0x510 [19889.351761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19889.351761][ T7704] ipv6_find_idev+0x102/0x170 [19889.351761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19889.351761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19889.351761][ T7704] netlink_rcv_skb+0x130/0x360 [19889.351761][ T7704] netlink_unicast+0x449/0x710 [19889.351761][ T7704] netlink_sendmsg+0x723/0xbe0 [19889.351761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19889.351761][ T7704] ___sys_sendmsg+0xee/0x170 [19889.351761][ T7704] __sys_sendmsg+0xcd/0x170 [19889.351761][ T7704] do_syscall_64+0xc6/0x1e0 [19889.351761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19889.351761][ T7704] [19899.590872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19899.591293][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19899.591293][ T7704] netdev_get_by_index+0x5e/0x80 [19899.591293][ T7704] fib6_nh_init+0x3d8/0x15b0 [19899.591293][ T7704] ip6_route_info_create+0xf18/0x17d0 [19899.591293][ T7704] ip6_route_add+0x1c/0x140 [19899.591293][ T7704] addrconf_prefix_route+0x2a6/0x430 [19899.591293][ T7704] inet6_addr_add+0x4f8/0xa40 [19899.591293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19899.591293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19899.591293][ T7704] netlink_rcv_skb+0x130/0x360 [19899.591293][ T7704] netlink_unicast+0x449/0x710 [19899.591293][ T7704] netlink_sendmsg+0x723/0xbe0 [19899.591293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19899.591293][ T7704] ___sys_sendmsg+0xee/0x170 [19899.591293][ T7704] __sys_sendmsg+0xcd/0x170 [19899.591293][ T7704] do_syscall_64+0xc6/0x1e0 [19899.591293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19899.591293][ T7704] [19899.593521][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19899.593521][ T7704] netdev_get_by_index+0x5e/0x80 [19899.593521][ T7704] fib6_nh_init+0x3d8/0x15b0 [19899.593521][ T7704] ip6_route_info_create+0xf18/0x17d0 [19899.593521][ T7704] addrconf_f6i_alloc+0x315/0x560 [19899.593521][ T7704] ipv6_add_addr+0x411/0x2000 [19899.593521][ T7704] inet6_addr_add+0x30e/0xa40 [19899.593521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19899.593521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19899.593521][ T7704] netlink_rcv_skb+0x130/0x360 [19899.593521][ T7704] netlink_unicast+0x449/0x710 [19899.593521][ T7704] netlink_sendmsg+0x723/0xbe0 [19899.593521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19899.593521][ T7704] ___sys_sendmsg+0xee/0x170 [19899.593521][ T7704] __sys_sendmsg+0xcd/0x170 [19899.593521][ T7704] do_syscall_64+0xc6/0x1e0 [19899.593521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19899.593521][ T7704] [19899.595745][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19899.595745][ T7704] netdev_get_by_index+0x5e/0x80 [19899.595745][ T7704] fib6_nh_init+0x3d8/0x15b0 [19899.595745][ T7704] ip6_route_info_create+0xf18/0x17d0 [19899.595745][ T7704] ip6_route_add+0x1c/0x140 [19899.595745][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19899.595745][ T7704] addrconf_add_dev+0xe2/0x170 [19899.595745][ T7704] inet6_addr_add+0x12f/0xa40 [19899.595745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19899.595745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19899.595745][ T7704] netlink_rcv_skb+0x130/0x360 [19899.595745][ T7704] netlink_unicast+0x449/0x710 [19899.595745][ T7704] netlink_sendmsg+0x723/0xbe0 [19899.595745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19899.595745][ T7704] ___sys_sendmsg+0xee/0x170 [19899.595745][ T7704] __sys_sendmsg+0xcd/0x170 [19899.595745][ T7704] do_syscall_64+0xc6/0x1e0 [19899.595745][ T7704] [19899.597931][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19899.597931][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19899.597931][ T7704] ipv6_find_idev+0x102/0x170 [19899.597931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19899.597931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19899.597931][ T7704] netlink_rcv_skb+0x130/0x360 [19899.597931][ T7704] netlink_unicast+0x449/0x710 [19899.597931][ T7704] netlink_sendmsg+0x723/0xbe0 [19899.597931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19899.597931][ T7704] ___sys_sendmsg+0xee/0x170 [19899.597931][ T7704] __sys_sendmsg+0xcd/0x170 [19899.597931][ T7704] do_syscall_64+0xc6/0x1e0 [19899.597931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19899.597931][ T7704] [19899.599632][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19899.599632][ T7704] neigh_parms_alloc+0x1e5/0x510 [19899.599632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19899.599632][ T7704] ipv6_find_idev+0x102/0x170 [19899.599632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19899.599632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19899.599632][ T7704] netlink_rcv_skb+0x130/0x360 [19899.599632][ T7704] netlink_unicast+0x449/0x710 [19899.599632][ T7704] netlink_sendmsg+0x723/0xbe0 [19899.599632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19899.599632][ T7704] ___sys_sendmsg+0xee/0x170 [19899.599632][ T7704] __sys_sendmsg+0xcd/0x170 [19899.599632][ T7704] do_syscall_64+0xc6/0x1e0 [19899.599632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19899.599632][ T7704] [19909.750938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19909.751438][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19909.751438][ T7704] netdev_get_by_index+0x5e/0x80 [19909.751438][ T7704] fib6_nh_init+0x3d8/0x15b0 [19909.751438][ T7704] ip6_route_info_create+0xf18/0x17d0 [19909.751438][ T7704] ip6_route_add+0x1c/0x140 [19909.751438][ T7704] addrconf_prefix_route+0x2a6/0x430 [19909.751438][ T7704] inet6_addr_add+0x4f8/0xa40 [19909.751438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19909.751438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19909.751438][ T7704] netlink_rcv_skb+0x130/0x360 [19909.751438][ T7704] netlink_unicast+0x449/0x710 [19909.751438][ T7704] netlink_sendmsg+0x723/0xbe0 [19909.751438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19909.751438][ T7704] ___sys_sendmsg+0xee/0x170 [19909.751438][ T7704] __sys_sendmsg+0xcd/0x170 [19909.751438][ T7704] do_syscall_64+0xc6/0x1e0 [19909.751438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19909.751438][ T7704] [19909.753721][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19909.753721][ T7704] netdev_get_by_index+0x5e/0x80 [19909.753721][ T7704] fib6_nh_init+0x3d8/0x15b0 [19909.753721][ T7704] ip6_route_info_create+0xf18/0x17d0 [19909.753721][ T7704] addrconf_f6i_alloc+0x315/0x560 [19909.753721][ T7704] ipv6_add_addr+0x411/0x2000 [19909.753721][ T7704] inet6_addr_add+0x30e/0xa40 [19909.753721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19909.753721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19909.753721][ T7704] netlink_rcv_skb+0x130/0x360 [19909.753721][ T7704] netlink_unicast+0x449/0x710 [19909.753721][ T7704] netlink_sendmsg+0x723/0xbe0 [19909.753721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19909.753721][ T7704] ___sys_sendmsg+0xee/0x170 [19909.753721][ T7704] __sys_sendmsg+0xcd/0x170 [19909.753721][ T7704] do_syscall_64+0xc6/0x1e0 [19909.753721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19909.753721][ T7704] [19909.755972][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19909.755972][ T7704] netdev_get_by_index+0x5e/0x80 [19909.755972][ T7704] fib6_nh_init+0x3d8/0x15b0 [19909.755972][ T7704] ip6_route_info_create+0xf18/0x17d0 [19909.755972][ T7704] ip6_route_add+0x1c/0x140 [19909.755972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19909.755972][ T7704] addrconf_add_dev+0xe2/0x170 [19909.755972][ T7704] inet6_addr_add+0x12f/0xa40 [19909.755972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19909.755972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19909.755972][ T7704] netlink_rcv_skb+0x130/0x360 [19909.755972][ T7704] netlink_unicast+0x449/0x710 [19909.755972][ T7704] netlink_sendmsg+0x723/0xbe0 [19909.755972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19909.755972][ T7704] ___sys_sendmsg+0xee/0x170 [19909.755972][ T7704] __sys_sendmsg+0xcd/0x170 [19909.755972][ T7704] do_syscall_64+0xc6/0x1e0 [19909.755972][ T7704] [19909.758194][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19909.758194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19909.758194][ T7704] ipv6_find_idev+0x102/0x170 [19909.758194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19909.758194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19909.758194][ T7704] netlink_rcv_skb+0x130/0x360 [19909.758194][ T7704] netlink_unicast+0x449/0x710 [19909.758194][ T7704] netlink_sendmsg+0x723/0xbe0 [19909.758194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19909.758194][ T7704] ___sys_sendmsg+0xee/0x170 [19909.758194][ T7704] __sys_sendmsg+0xcd/0x170 [19909.758194][ T7704] do_syscall_64+0xc6/0x1e0 [19909.758194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19909.758194][ T7704] [19909.759920][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19909.759920][ T7704] neigh_parms_alloc+0x1e5/0x510 [19909.759920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19909.759920][ T7704] ipv6_find_idev+0x102/0x170 [19909.759920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19909.759920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19909.759920][ T7704] netlink_rcv_skb+0x130/0x360 [19909.759920][ T7704] netlink_unicast+0x449/0x710 [19909.759920][ T7704] netlink_sendmsg+0x723/0xbe0 [19909.759920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19909.759920][ T7704] ___sys_sendmsg+0xee/0x170 [19909.759920][ T7704] __sys_sendmsg+0xcd/0x170 [19909.759920][ T7704] do_syscall_64+0xc6/0x1e0 [19909.759920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19909.759920][ T7704] [19919.998956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19919.999452][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19919.999452][ T7704] netdev_get_by_index+0x5e/0x80 [19919.999452][ T7704] fib6_nh_init+0x3d8/0x15b0 [19919.999452][ T7704] ip6_route_info_create+0xf18/0x17d0 [19919.999452][ T7704] ip6_route_add+0x1c/0x140 [19919.999452][ T7704] addrconf_prefix_route+0x2a6/0x430 [19919.999452][ T7704] inet6_addr_add+0x4f8/0xa40 [19919.999452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19919.999452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19919.999452][ T7704] netlink_rcv_skb+0x130/0x360 [19919.999452][ T7704] netlink_unicast+0x449/0x710 [19919.999452][ T7704] netlink_sendmsg+0x723/0xbe0 [19919.999452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19919.999452][ T7704] ___sys_sendmsg+0xee/0x170 [19919.999452][ T7704] __sys_sendmsg+0xcd/0x170 [19919.999452][ T7704] do_syscall_64+0xc6/0x1e0 [19919.999452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19919.999452][ T7704] [19920.001731][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19920.001731][ T7704] netdev_get_by_index+0x5e/0x80 [19920.001731][ T7704] fib6_nh_init+0x3d8/0x15b0 [19920.001731][ T7704] ip6_route_info_create+0xf18/0x17d0 [19920.001731][ T7704] addrconf_f6i_alloc+0x315/0x560 [19920.001731][ T7704] ipv6_add_addr+0x411/0x2000 [19920.001731][ T7704] inet6_addr_add+0x30e/0xa40 [19920.001731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19920.001731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19920.001731][ T7704] netlink_rcv_skb+0x130/0x360 [19920.001731][ T7704] netlink_unicast+0x449/0x710 [19920.001731][ T7704] netlink_sendmsg+0x723/0xbe0 [19920.001731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19920.001731][ T7704] ___sys_sendmsg+0xee/0x170 [19920.001731][ T7704] __sys_sendmsg+0xcd/0x170 [19920.001731][ T7704] do_syscall_64+0xc6/0x1e0 [19920.001731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19920.001731][ T7704] [19920.003996][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19920.003996][ T7704] netdev_get_by_index+0x5e/0x80 [19920.003996][ T7704] fib6_nh_init+0x3d8/0x15b0 [19920.003996][ T7704] ip6_route_info_create+0xf18/0x17d0 [19920.003996][ T7704] ip6_route_add+0x1c/0x140 [19920.003996][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19920.003996][ T7704] addrconf_add_dev+0xe2/0x170 [19920.003996][ T7704] inet6_addr_add+0x12f/0xa40 [19920.003996][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19920.003996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19920.003996][ T7704] netlink_rcv_skb+0x130/0x360 [19920.003996][ T7704] netlink_unicast+0x449/0x710 [19920.003996][ T7704] netlink_sendmsg+0x723/0xbe0 [19920.003996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19920.003996][ T7704] ___sys_sendmsg+0xee/0x170 [19920.003996][ T7704] __sys_sendmsg+0xcd/0x170 [19920.003996][ T7704] do_syscall_64+0xc6/0x1e0 [19920.003996][ T7704] [19920.006213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19920.006213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19920.006213][ T7704] ipv6_find_idev+0x102/0x170 [19920.006213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19920.006213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19920.006213][ T7704] netlink_rcv_skb+0x130/0x360 [19920.006213][ T7704] netlink_unicast+0x449/0x710 [19920.006213][ T7704] netlink_sendmsg+0x723/0xbe0 [19920.006213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19920.006213][ T7704] ___sys_sendmsg+0xee/0x170 [19920.006213][ T7704] __sys_sendmsg+0xcd/0x170 [19920.006213][ T7704] do_syscall_64+0xc6/0x1e0 [19920.006213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19920.006213][ T7704] [19920.007959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19920.007959][ T7704] neigh_parms_alloc+0x1e5/0x510 [19920.007959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19920.007959][ T7704] ipv6_find_idev+0x102/0x170 [19920.007959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19920.007959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19920.007959][ T7704] netlink_rcv_skb+0x130/0x360 [19920.007959][ T7704] netlink_unicast+0x449/0x710 [19920.007959][ T7704] netlink_sendmsg+0x723/0xbe0 [19920.007959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19920.007959][ T7704] ___sys_sendmsg+0xee/0x170 [19920.007959][ T7704] __sys_sendmsg+0xcd/0x170 [19920.007959][ T7704] do_syscall_64+0xc6/0x1e0 [19920.007959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19920.007959][ T7704] [19930.246967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19930.247447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19930.247447][ T7704] netdev_get_by_index+0x5e/0x80 [19930.247447][ T7704] fib6_nh_init+0x3d8/0x15b0 [19930.247447][ T7704] ip6_route_info_create+0xf18/0x17d0 [19930.247447][ T7704] ip6_route_add+0x1c/0x140 [19930.247447][ T7704] addrconf_prefix_route+0x2a6/0x430 [19930.247447][ T7704] inet6_addr_add+0x4f8/0xa40 [19930.247447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19930.247447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19930.247447][ T7704] netlink_rcv_skb+0x130/0x360 [19930.247447][ T7704] netlink_unicast+0x449/0x710 [19930.247447][ T7704] netlink_sendmsg+0x723/0xbe0 [19930.247447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19930.247447][ T7704] ___sys_sendmsg+0xee/0x170 [19930.247447][ T7704] __sys_sendmsg+0xcd/0x170 [19930.247447][ T7704] do_syscall_64+0xc6/0x1e0 [19930.247447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19930.247447][ T7704] [19930.249702][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19930.249702][ T7704] netdev_get_by_index+0x5e/0x80 [19930.249702][ T7704] fib6_nh_init+0x3d8/0x15b0 [19930.249702][ T7704] ip6_route_info_create+0xf18/0x17d0 [19930.249702][ T7704] addrconf_f6i_alloc+0x315/0x560 [19930.249702][ T7704] ipv6_add_addr+0x411/0x2000 [19930.249702][ T7704] inet6_addr_add+0x30e/0xa40 [19930.249702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19930.249702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19930.249702][ T7704] netlink_rcv_skb+0x130/0x360 [19930.249702][ T7704] netlink_unicast+0x449/0x710 [19930.249702][ T7704] netlink_sendmsg+0x723/0xbe0 [19930.249702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19930.249702][ T7704] ___sys_sendmsg+0xee/0x170 [19930.249702][ T7704] __sys_sendmsg+0xcd/0x170 [19930.249702][ T7704] do_syscall_64+0xc6/0x1e0 [19930.249702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19930.249702][ T7704] [19930.251929][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19930.251929][ T7704] netdev_get_by_index+0x5e/0x80 [19930.251929][ T7704] fib6_nh_init+0x3d8/0x15b0 [19930.251929][ T7704] ip6_route_info_create+0xf18/0x17d0 [19930.251929][ T7704] ip6_route_add+0x1c/0x140 [19930.251929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19930.251929][ T7704] addrconf_add_dev+0xe2/0x170 [19930.251929][ T7704] inet6_addr_add+0x12f/0xa40 [19930.251929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19930.251929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19930.251929][ T7704] netlink_rcv_skb+0x130/0x360 [19930.251929][ T7704] netlink_unicast+0x449/0x710 [19930.251929][ T7704] netlink_sendmsg+0x723/0xbe0 [19930.251929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19930.251929][ T7704] ___sys_sendmsg+0xee/0x170 [19930.251929][ T7704] __sys_sendmsg+0xcd/0x170 [19930.251929][ T7704] do_syscall_64+0xc6/0x1e0 [19930.251929][ T7704] [19930.254120][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19930.254120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19930.254120][ T7704] ipv6_find_idev+0x102/0x170 [19930.254120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19930.254120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19930.254120][ T7704] netlink_rcv_skb+0x130/0x360 [19930.254120][ T7704] netlink_unicast+0x449/0x710 [19930.254120][ T7704] netlink_sendmsg+0x723/0xbe0 [19930.254120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19930.254120][ T7704] ___sys_sendmsg+0xee/0x170 [19930.254120][ T7704] __sys_sendmsg+0xcd/0x170 [19930.254120][ T7704] do_syscall_64+0xc6/0x1e0 [19930.254120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19930.254120][ T7704] [19930.255829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19930.255829][ T7704] neigh_parms_alloc+0x1e5/0x510 [19930.255829][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19930.255829][ T7704] ipv6_find_idev+0x102/0x170 [19930.255829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19930.255829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19930.255829][ T7704] netlink_rcv_skb+0x130/0x360 [19930.255829][ T7704] netlink_unicast+0x449/0x710 [19930.255829][ T7704] netlink_sendmsg+0x723/0xbe0 [19930.255829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19930.255829][ T7704] ___sys_sendmsg+0xee/0x170 [19930.255829][ T7704] __sys_sendmsg+0xcd/0x170 [19930.255829][ T7704] do_syscall_64+0xc6/0x1e0 [19930.255829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19930.255829][ T7704] [19940.494955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19940.495376][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19940.495376][ T7704] netdev_get_by_index+0x5e/0x80 [19940.495376][ T7704] fib6_nh_init+0x3d8/0x15b0 [19940.495376][ T7704] ip6_route_info_create+0xf18/0x17d0 [19940.495376][ T7704] ip6_route_add+0x1c/0x140 [19940.495376][ T7704] addrconf_prefix_route+0x2a6/0x430 [19940.495376][ T7704] inet6_addr_add+0x4f8/0xa40 [19940.495376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19940.495376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19940.495376][ T7704] netlink_rcv_skb+0x130/0x360 [19940.495376][ T7704] netlink_unicast+0x449/0x710 [19940.495376][ T7704] netlink_sendmsg+0x723/0xbe0 [19940.495376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19940.495376][ T7704] ___sys_sendmsg+0xee/0x170 [19940.495376][ T7704] __sys_sendmsg+0xcd/0x170 [19940.495376][ T7704] do_syscall_64+0xc6/0x1e0 [19940.495376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19940.495376][ T7704] [19940.497627][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19940.497627][ T7704] netdev_get_by_index+0x5e/0x80 [19940.497627][ T7704] fib6_nh_init+0x3d8/0x15b0 [19940.497627][ T7704] ip6_route_info_create+0xf18/0x17d0 [19940.497627][ T7704] addrconf_f6i_alloc+0x315/0x560 [19940.497627][ T7704] ipv6_add_addr+0x411/0x2000 [19940.497627][ T7704] inet6_addr_add+0x30e/0xa40 [19940.497627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19940.497627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19940.497627][ T7704] netlink_rcv_skb+0x130/0x360 [19940.497627][ T7704] netlink_unicast+0x449/0x710 [19940.497627][ T7704] netlink_sendmsg+0x723/0xbe0 [19940.497627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19940.497627][ T7704] ___sys_sendmsg+0xee/0x170 [19940.497627][ T7704] __sys_sendmsg+0xcd/0x170 [19940.497627][ T7704] do_syscall_64+0xc6/0x1e0 [19940.497627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19940.497627][ T7704] [19940.499849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19940.499849][ T7704] netdev_get_by_index+0x5e/0x80 [19940.499849][ T7704] fib6_nh_init+0x3d8/0x15b0 [19940.499849][ T7704] ip6_route_info_create+0xf18/0x17d0 [19940.499849][ T7704] ip6_route_add+0x1c/0x140 [19940.499849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19940.499849][ T7704] addrconf_add_dev+0xe2/0x170 [19940.499849][ T7704] inet6_addr_add+0x12f/0xa40 [19940.499849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19940.499849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19940.499849][ T7704] netlink_rcv_skb+0x130/0x360 [19940.499849][ T7704] netlink_unicast+0x449/0x710 [19940.499849][ T7704] netlink_sendmsg+0x723/0xbe0 [19940.499849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19940.499849][ T7704] ___sys_sendmsg+0xee/0x170 [19940.499849][ T7704] __sys_sendmsg+0xcd/0x170 [19940.499849][ T7704] do_syscall_64+0xc6/0x1e0 [19940.499849][ T7704] [19940.502030][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19940.502030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19940.502030][ T7704] ipv6_find_idev+0x102/0x170 [19940.502030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19940.502030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19940.502030][ T7704] netlink_rcv_skb+0x130/0x360 [19940.502030][ T7704] netlink_unicast+0x449/0x710 [19940.502030][ T7704] netlink_sendmsg+0x723/0xbe0 [19940.502030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19940.502030][ T7704] ___sys_sendmsg+0xee/0x170 [19940.502030][ T7704] __sys_sendmsg+0xcd/0x170 [19940.502030][ T7704] do_syscall_64+0xc6/0x1e0 [19940.502030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19940.502030][ T7704] [19940.503743][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19940.503743][ T7704] neigh_parms_alloc+0x1e5/0x510 [19940.503743][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19940.503743][ T7704] ipv6_find_idev+0x102/0x170 [19940.503743][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19940.503743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19940.503743][ T7704] netlink_rcv_skb+0x130/0x360 [19940.503743][ T7704] netlink_unicast+0x449/0x710 [19940.503743][ T7704] netlink_sendmsg+0x723/0xbe0 [19940.503743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19940.503743][ T7704] ___sys_sendmsg+0xee/0x170 [19940.503743][ T7704] __sys_sendmsg+0xcd/0x170 [19940.503743][ T7704] do_syscall_64+0xc6/0x1e0 [19940.503743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19940.503743][ T7704] [19950.606932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19950.607403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19950.607403][ T7704] netdev_get_by_index+0x5e/0x80 [19950.607403][ T7704] fib6_nh_init+0x3d8/0x15b0 [19950.607403][ T7704] ip6_route_info_create+0xf18/0x17d0 [19950.607403][ T7704] ip6_route_add+0x1c/0x140 [19950.607403][ T7704] addrconf_prefix_route+0x2a6/0x430 [19950.607403][ T7704] inet6_addr_add+0x4f8/0xa40 [19950.607403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19950.607403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19950.607403][ T7704] netlink_rcv_skb+0x130/0x360 [19950.607403][ T7704] netlink_unicast+0x449/0x710 [19950.607403][ T7704] netlink_sendmsg+0x723/0xbe0 [19950.607403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19950.607403][ T7704] ___sys_sendmsg+0xee/0x170 [19950.607403][ T7704] __sys_sendmsg+0xcd/0x170 [19950.607403][ T7704] do_syscall_64+0xc6/0x1e0 [19950.607403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19950.607403][ T7704] [19950.609655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19950.609655][ T7704] netdev_get_by_index+0x5e/0x80 [19950.609655][ T7704] fib6_nh_init+0x3d8/0x15b0 [19950.609655][ T7704] ip6_route_info_create+0xf18/0x17d0 [19950.609655][ T7704] addrconf_f6i_alloc+0x315/0x560 [19950.609655][ T7704] ipv6_add_addr+0x411/0x2000 [19950.609655][ T7704] inet6_addr_add+0x30e/0xa40 [19950.609655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19950.609655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19950.609655][ T7704] netlink_rcv_skb+0x130/0x360 [19950.609655][ T7704] netlink_unicast+0x449/0x710 [19950.609655][ T7704] netlink_sendmsg+0x723/0xbe0 [19950.609655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19950.609655][ T7704] ___sys_sendmsg+0xee/0x170 [19950.609655][ T7704] __sys_sendmsg+0xcd/0x170 [19950.609655][ T7704] do_syscall_64+0xc6/0x1e0 [19950.609655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19950.609655][ T7704] [19950.611910][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19950.611910][ T7704] netdev_get_by_index+0x5e/0x80 [19950.611910][ T7704] fib6_nh_init+0x3d8/0x15b0 [19950.611910][ T7704] ip6_route_info_create+0xf18/0x17d0 [19950.611910][ T7704] ip6_route_add+0x1c/0x140 [19950.611910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19950.611910][ T7704] addrconf_add_dev+0xe2/0x170 [19950.611910][ T7704] inet6_addr_add+0x12f/0xa40 [19950.611910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19950.611910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19950.611910][ T7704] netlink_rcv_skb+0x130/0x360 [19950.611910][ T7704] netlink_unicast+0x449/0x710 [19950.611910][ T7704] netlink_sendmsg+0x723/0xbe0 [19950.611910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19950.611910][ T7704] ___sys_sendmsg+0xee/0x170 [19950.611910][ T7704] __sys_sendmsg+0xcd/0x170 [19950.611910][ T7704] do_syscall_64+0xc6/0x1e0 [19950.611910][ T7704] [19950.614089][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19950.614089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19950.614089][ T7704] ipv6_find_idev+0x102/0x170 [19950.614089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19950.614089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19950.614089][ T7704] netlink_rcv_skb+0x130/0x360 [19950.614089][ T7704] netlink_unicast+0x449/0x710 [19950.614089][ T7704] netlink_sendmsg+0x723/0xbe0 [19950.614089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19950.614089][ T7704] ___sys_sendmsg+0xee/0x170 [19950.614089][ T7704] __sys_sendmsg+0xcd/0x170 [19950.614089][ T7704] do_syscall_64+0xc6/0x1e0 [19950.614089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19950.614089][ T7704] [19950.615801][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19950.615801][ T7704] neigh_parms_alloc+0x1e5/0x510 [19950.615801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19950.615801][ T7704] ipv6_find_idev+0x102/0x170 [19950.615801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19950.615801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19950.615801][ T7704] netlink_rcv_skb+0x130/0x360 [19950.615801][ T7704] netlink_unicast+0x449/0x710 [19950.615801][ T7704] netlink_sendmsg+0x723/0xbe0 [19950.615801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19950.615801][ T7704] ___sys_sendmsg+0xee/0x170 [19950.615801][ T7704] __sys_sendmsg+0xcd/0x170 [19950.615801][ T7704] do_syscall_64+0xc6/0x1e0 [19950.615801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19950.615801][ T7704] [19960.862944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19960.863368][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19960.863368][ T7704] netdev_get_by_index+0x5e/0x80 [19960.863368][ T7704] fib6_nh_init+0x3d8/0x15b0 [19960.863368][ T7704] ip6_route_info_create+0xf18/0x17d0 [19960.863368][ T7704] ip6_route_add+0x1c/0x140 [19960.863368][ T7704] addrconf_prefix_route+0x2a6/0x430 [19960.863368][ T7704] inet6_addr_add+0x4f8/0xa40 [19960.863368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19960.863368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19960.863368][ T7704] netlink_rcv_skb+0x130/0x360 [19960.863368][ T7704] netlink_unicast+0x449/0x710 [19960.863368][ T7704] netlink_sendmsg+0x723/0xbe0 [19960.863368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19960.863368][ T7704] ___sys_sendmsg+0xee/0x170 [19960.863368][ T7704] __sys_sendmsg+0xcd/0x170 [19960.863368][ T7704] do_syscall_64+0xc6/0x1e0 [19960.863368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19960.863368][ T7704] [19960.865598][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19960.865598][ T7704] netdev_get_by_index+0x5e/0x80 [19960.865598][ T7704] fib6_nh_init+0x3d8/0x15b0 [19960.865598][ T7704] ip6_route_info_create+0xf18/0x17d0 [19960.865598][ T7704] addrconf_f6i_alloc+0x315/0x560 [19960.865598][ T7704] ipv6_add_addr+0x411/0x2000 [19960.865598][ T7704] inet6_addr_add+0x30e/0xa40 [19960.865598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19960.865598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19960.865598][ T7704] netlink_rcv_skb+0x130/0x360 [19960.865598][ T7704] netlink_unicast+0x449/0x710 [19960.865598][ T7704] netlink_sendmsg+0x723/0xbe0 [19960.865598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19960.865598][ T7704] ___sys_sendmsg+0xee/0x170 [19960.865598][ T7704] __sys_sendmsg+0xcd/0x170 [19960.865598][ T7704] do_syscall_64+0xc6/0x1e0 [19960.865598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19960.865598][ T7704] [19960.867850][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19960.867850][ T7704] netdev_get_by_index+0x5e/0x80 [19960.867850][ T7704] fib6_nh_init+0x3d8/0x15b0 [19960.867850][ T7704] ip6_route_info_create+0xf18/0x17d0 [19960.867850][ T7704] ip6_route_add+0x1c/0x140 [19960.867850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19960.867850][ T7704] addrconf_add_dev+0xe2/0x170 [19960.867850][ T7704] inet6_addr_add+0x12f/0xa40 [19960.867850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19960.867850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19960.867850][ T7704] netlink_rcv_skb+0x130/0x360 [19960.867850][ T7704] netlink_unicast+0x449/0x710 [19960.867850][ T7704] netlink_sendmsg+0x723/0xbe0 [19960.867850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19960.867850][ T7704] ___sys_sendmsg+0xee/0x170 [19960.867850][ T7704] __sys_sendmsg+0xcd/0x170 [19960.867850][ T7704] do_syscall_64+0xc6/0x1e0 [19960.867850][ T7704] [19960.870021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19960.870021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19960.870021][ T7704] ipv6_find_idev+0x102/0x170 [19960.870021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19960.870021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19960.870021][ T7704] netlink_rcv_skb+0x130/0x360 [19960.870021][ T7704] netlink_unicast+0x449/0x710 [19960.870021][ T7704] netlink_sendmsg+0x723/0xbe0 [19960.870021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19960.870021][ T7704] ___sys_sendmsg+0xee/0x170 [19960.870021][ T7704] __sys_sendmsg+0xcd/0x170 [19960.870021][ T7704] do_syscall_64+0xc6/0x1e0 [19960.870021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19960.870021][ T7704] [19960.871718][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19960.871718][ T7704] neigh_parms_alloc+0x1e5/0x510 [19960.871718][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19960.871718][ T7704] ipv6_find_idev+0x102/0x170 [19960.871718][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19960.871718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19960.871718][ T7704] netlink_rcv_skb+0x130/0x360 [19960.871718][ T7704] netlink_unicast+0x449/0x710 [19960.871718][ T7704] netlink_sendmsg+0x723/0xbe0 [19960.871718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19960.871718][ T7704] ___sys_sendmsg+0xee/0x170 [19960.871718][ T7704] __sys_sendmsg+0xcd/0x170 [19960.871718][ T7704] do_syscall_64+0xc6/0x1e0 [19960.871718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19960.871718][ T7704] [19970.958963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19970.959388][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19970.959388][ T7704] netdev_get_by_index+0x5e/0x80 [19970.959388][ T7704] fib6_nh_init+0x3d8/0x15b0 [19970.959388][ T7704] ip6_route_info_create+0xf18/0x17d0 [19970.959388][ T7704] ip6_route_add+0x1c/0x140 [19970.959388][ T7704] addrconf_prefix_route+0x2a6/0x430 [19970.959388][ T7704] inet6_addr_add+0x4f8/0xa40 [19970.959388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19970.959388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19970.959388][ T7704] netlink_rcv_skb+0x130/0x360 [19970.959388][ T7704] netlink_unicast+0x449/0x710 [19970.959388][ T7704] netlink_sendmsg+0x723/0xbe0 [19970.959388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19970.959388][ T7704] ___sys_sendmsg+0xee/0x170 [19970.959388][ T7704] __sys_sendmsg+0xcd/0x170 [19970.959388][ T7704] do_syscall_64+0xc6/0x1e0 [19970.959388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19970.959388][ T7704] [19970.961619][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19970.961619][ T7704] netdev_get_by_index+0x5e/0x80 [19970.961619][ T7704] fib6_nh_init+0x3d8/0x15b0 [19970.961619][ T7704] ip6_route_info_create+0xf18/0x17d0 [19970.961619][ T7704] addrconf_f6i_alloc+0x315/0x560 [19970.961619][ T7704] ipv6_add_addr+0x411/0x2000 [19970.961619][ T7704] inet6_addr_add+0x30e/0xa40 [19970.961619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19970.961619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19970.961619][ T7704] netlink_rcv_skb+0x130/0x360 [19970.961619][ T7704] netlink_unicast+0x449/0x710 [19970.961619][ T7704] netlink_sendmsg+0x723/0xbe0 [19970.961619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19970.961619][ T7704] ___sys_sendmsg+0xee/0x170 [19970.961619][ T7704] __sys_sendmsg+0xcd/0x170 [19970.961619][ T7704] do_syscall_64+0xc6/0x1e0 [19970.961619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19970.961619][ T7704] [19970.963833][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19970.963833][ T7704] netdev_get_by_index+0x5e/0x80 [19970.963833][ T7704] fib6_nh_init+0x3d8/0x15b0 [19970.963833][ T7704] ip6_route_info_create+0xf18/0x17d0 [19970.963833][ T7704] ip6_route_add+0x1c/0x140 [19970.963833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19970.963833][ T7704] addrconf_add_dev+0xe2/0x170 [19970.963833][ T7704] inet6_addr_add+0x12f/0xa40 [19970.963833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19970.963833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19970.963833][ T7704] netlink_rcv_skb+0x130/0x360 [19970.963833][ T7704] netlink_unicast+0x449/0x710 [19970.963833][ T7704] netlink_sendmsg+0x723/0xbe0 [19970.963833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19970.963833][ T7704] ___sys_sendmsg+0xee/0x170 [19970.963833][ T7704] __sys_sendmsg+0xcd/0x170 [19970.963833][ T7704] do_syscall_64+0xc6/0x1e0 [19970.963833][ T7704] [19970.966530][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19970.966530][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19970.966530][ T7704] ipv6_find_idev+0x102/0x170 [19970.966530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19970.966530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19970.966530][ T7704] netlink_rcv_skb+0x130/0x360 [19970.966530][ T7704] netlink_unicast+0x449/0x710 [19970.966530][ T7704] netlink_sendmsg+0x723/0xbe0 [19970.966530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19970.966530][ T7704] ___sys_sendmsg+0xee/0x170 [19970.966530][ T7704] __sys_sendmsg+0xcd/0x170 [19970.966530][ T7704] do_syscall_64+0xc6/0x1e0 [19970.966530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19970.966530][ T7704] [19970.968246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19970.968246][ T7704] neigh_parms_alloc+0x1e5/0x510 [19970.968246][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19970.968246][ T7704] ipv6_find_idev+0x102/0x170 [19970.968246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19970.968246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19970.968246][ T7704] netlink_rcv_skb+0x130/0x360 [19970.968246][ T7704] netlink_unicast+0x449/0x710 [19970.968246][ T7704] netlink_sendmsg+0x723/0xbe0 [19970.968246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19970.968246][ T7704] ___sys_sendmsg+0xee/0x170 [19970.968246][ T7704] __sys_sendmsg+0xcd/0x170 [19970.968246][ T7704] do_syscall_64+0xc6/0x1e0 [19970.968246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19970.968246][ T7704] [19981.206943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19981.207372][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19981.207372][ T7704] netdev_get_by_index+0x5e/0x80 [19981.207372][ T7704] fib6_nh_init+0x3d8/0x15b0 [19981.207372][ T7704] ip6_route_info_create+0xf18/0x17d0 [19981.207372][ T7704] ip6_route_add+0x1c/0x140 [19981.207372][ T7704] addrconf_prefix_route+0x2a6/0x430 [19981.207372][ T7704] inet6_addr_add+0x4f8/0xa40 [19981.207372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19981.207372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19981.207372][ T7704] netlink_rcv_skb+0x130/0x360 [19981.207372][ T7704] netlink_unicast+0x449/0x710 [19981.207372][ T7704] netlink_sendmsg+0x723/0xbe0 [19981.207372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19981.207372][ T7704] ___sys_sendmsg+0xee/0x170 [19981.207372][ T7704] __sys_sendmsg+0xcd/0x170 [19981.207372][ T7704] do_syscall_64+0xc6/0x1e0 [19981.207372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19981.207372][ T7704] [19981.209612][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19981.209612][ T7704] netdev_get_by_index+0x5e/0x80 [19981.209612][ T7704] fib6_nh_init+0x3d8/0x15b0 [19981.209612][ T7704] ip6_route_info_create+0xf18/0x17d0 [19981.209612][ T7704] addrconf_f6i_alloc+0x315/0x560 [19981.209612][ T7704] ipv6_add_addr+0x411/0x2000 [19981.209612][ T7704] inet6_addr_add+0x30e/0xa40 [19981.209612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19981.209612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19981.209612][ T7704] netlink_rcv_skb+0x130/0x360 [19981.209612][ T7704] netlink_unicast+0x449/0x710 [19981.209612][ T7704] netlink_sendmsg+0x723/0xbe0 [19981.209612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19981.209612][ T7704] ___sys_sendmsg+0xee/0x170 [19981.209612][ T7704] __sys_sendmsg+0xcd/0x170 [19981.209612][ T7704] do_syscall_64+0xc6/0x1e0 [19981.209612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19981.209612][ T7704] [19981.211846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19981.211846][ T7704] netdev_get_by_index+0x5e/0x80 [19981.211846][ T7704] fib6_nh_init+0x3d8/0x15b0 [19981.211846][ T7704] ip6_route_info_create+0xf18/0x17d0 [19981.211846][ T7704] ip6_route_add+0x1c/0x140 [19981.211846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19981.211846][ T7704] addrconf_add_dev+0xe2/0x170 [19981.211846][ T7704] inet6_addr_add+0x12f/0xa40 [19981.211846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19981.211846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19981.211846][ T7704] netlink_rcv_skb+0x130/0x360 [19981.211846][ T7704] netlink_unicast+0x449/0x710 [19981.211846][ T7704] netlink_sendmsg+0x723/0xbe0 [19981.211846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19981.211846][ T7704] ___sys_sendmsg+0xee/0x170 [19981.211846][ T7704] __sys_sendmsg+0xcd/0x170 [19981.211846][ T7704] do_syscall_64+0xc6/0x1e0 [19981.211846][ T7704] [19981.214023][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19981.214023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19981.214023][ T7704] ipv6_find_idev+0x102/0x170 [19981.214023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19981.214023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19981.214023][ T7704] netlink_rcv_skb+0x130/0x360 [19981.214023][ T7704] netlink_unicast+0x449/0x710 [19981.214023][ T7704] netlink_sendmsg+0x723/0xbe0 [19981.214023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19981.214023][ T7704] ___sys_sendmsg+0xee/0x170 [19981.214023][ T7704] __sys_sendmsg+0xcd/0x170 [19981.214023][ T7704] do_syscall_64+0xc6/0x1e0 [19981.214023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19981.214023][ T7704] [19981.215726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19981.215726][ T7704] neigh_parms_alloc+0x1e5/0x510 [19981.215726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19981.215726][ T7704] ipv6_find_idev+0x102/0x170 [19981.215726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19981.215726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19981.215726][ T7704] netlink_rcv_skb+0x130/0x360 [19981.215726][ T7704] netlink_unicast+0x449/0x710 [19981.215726][ T7704] netlink_sendmsg+0x723/0xbe0 [19981.215726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19981.215726][ T7704] ___sys_sendmsg+0xee/0x170 [19981.215726][ T7704] __sys_sendmsg+0xcd/0x170 [19981.215726][ T7704] do_syscall_64+0xc6/0x1e0 [19981.215726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19981.215726][ T7704] [19991.446934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19991.447422][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19991.447422][ T7704] netdev_get_by_index+0x5e/0x80 [19991.447422][ T7704] fib6_nh_init+0x3d8/0x15b0 [19991.447422][ T7704] ip6_route_info_create+0xf18/0x17d0 [19991.447422][ T7704] ip6_route_add+0x1c/0x140 [19991.447422][ T7704] addrconf_prefix_route+0x2a6/0x430 [19991.447422][ T7704] inet6_addr_add+0x4f8/0xa40 [19991.447422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19991.447422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19991.447422][ T7704] netlink_rcv_skb+0x130/0x360 [19991.447422][ T7704] netlink_unicast+0x449/0x710 [19991.447422][ T7704] netlink_sendmsg+0x723/0xbe0 [19991.447422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19991.447422][ T7704] ___sys_sendmsg+0xee/0x170 [19991.447422][ T7704] __sys_sendmsg+0xcd/0x170 [19991.447422][ T7704] do_syscall_64+0xc6/0x1e0 [19991.447422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19991.447422][ T7704] [19991.449665][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19991.449665][ T7704] netdev_get_by_index+0x5e/0x80 [19991.449665][ T7704] fib6_nh_init+0x3d8/0x15b0 [19991.449665][ T7704] ip6_route_info_create+0xf18/0x17d0 [19991.449665][ T7704] addrconf_f6i_alloc+0x315/0x560 [19991.449665][ T7704] ipv6_add_addr+0x411/0x2000 [19991.449665][ T7704] inet6_addr_add+0x30e/0xa40 [19991.449665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19991.449665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19991.449665][ T7704] netlink_rcv_skb+0x130/0x360 [19991.449665][ T7704] netlink_unicast+0x449/0x710 [19991.449665][ T7704] netlink_sendmsg+0x723/0xbe0 [19991.449665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19991.449665][ T7704] ___sys_sendmsg+0xee/0x170 [19991.449665][ T7704] __sys_sendmsg+0xcd/0x170 [19991.449665][ T7704] do_syscall_64+0xc6/0x1e0 [19991.449665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19991.449665][ T7704] [19991.451880][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19991.451880][ T7704] netdev_get_by_index+0x5e/0x80 [19991.451880][ T7704] fib6_nh_init+0x3d8/0x15b0 [19991.451880][ T7704] ip6_route_info_create+0xf18/0x17d0 [19991.451880][ T7704] ip6_route_add+0x1c/0x140 [19991.451880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19991.451880][ T7704] addrconf_add_dev+0xe2/0x170 [19991.451880][ T7704] inet6_addr_add+0x12f/0xa40 [19991.451880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19991.451880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19991.451880][ T7704] netlink_rcv_skb+0x130/0x360 [19991.451880][ T7704] netlink_unicast+0x449/0x710 [19991.451880][ T7704] netlink_sendmsg+0x723/0xbe0 [19991.451880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19991.451880][ T7704] ___sys_sendmsg+0xee/0x170 [19991.451880][ T7704] __sys_sendmsg+0xcd/0x170 [19991.451880][ T7704] do_syscall_64+0xc6/0x1e0 [19991.451880][ T7704] [19991.454060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19991.454060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19991.454060][ T7704] ipv6_find_idev+0x102/0x170 [19991.454060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19991.454060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19991.454060][ T7704] netlink_rcv_skb+0x130/0x360 [19991.454060][ T7704] netlink_unicast+0x449/0x710 [19991.454060][ T7704] netlink_sendmsg+0x723/0xbe0 [19991.454060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19991.454060][ T7704] ___sys_sendmsg+0xee/0x170 [19991.454060][ T7704] __sys_sendmsg+0xcd/0x170 [19991.454060][ T7704] do_syscall_64+0xc6/0x1e0 [19991.454060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19991.454060][ T7704] [19991.455761][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [19991.455761][ T7704] neigh_parms_alloc+0x1e5/0x510 [19991.455761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19991.455761][ T7704] ipv6_find_idev+0x102/0x170 [19991.455761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19991.455761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19991.455761][ T7704] netlink_rcv_skb+0x130/0x360 [19991.455761][ T7704] netlink_unicast+0x449/0x710 [19991.455761][ T7704] netlink_sendmsg+0x723/0xbe0 [19991.455761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19991.455761][ T7704] ___sys_sendmsg+0xee/0x170 [19991.455761][ T7704] __sys_sendmsg+0xcd/0x170 [19991.455761][ T7704] do_syscall_64+0xc6/0x1e0 [19991.455761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19991.455761][ T7704] [20001.694964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20001.695447][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20001.695447][ T7704] netdev_get_by_index+0x5e/0x80 [20001.695447][ T7704] fib6_nh_init+0x3d8/0x15b0 [20001.695447][ T7704] ip6_route_info_create+0xf18/0x17d0 [20001.695447][ T7704] ip6_route_add+0x1c/0x140 [20001.695447][ T7704] addrconf_prefix_route+0x2a6/0x430 [20001.695447][ T7704] inet6_addr_add+0x4f8/0xa40 [20001.695447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20001.695447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20001.695447][ T7704] netlink_rcv_skb+0x130/0x360 [20001.695447][ T7704] netlink_unicast+0x449/0x710 [20001.695447][ T7704] netlink_sendmsg+0x723/0xbe0 [20001.695447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20001.695447][ T7704] ___sys_sendmsg+0xee/0x170 [20001.695447][ T7704] __sys_sendmsg+0xcd/0x170 [20001.695447][ T7704] do_syscall_64+0xc6/0x1e0 [20001.695447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20001.695447][ T7704] [20001.697698][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20001.697698][ T7704] netdev_get_by_index+0x5e/0x80 [20001.697698][ T7704] fib6_nh_init+0x3d8/0x15b0 [20001.697698][ T7704] ip6_route_info_create+0xf18/0x17d0 [20001.697698][ T7704] addrconf_f6i_alloc+0x315/0x560 [20001.697698][ T7704] ipv6_add_addr+0x411/0x2000 [20001.697698][ T7704] inet6_addr_add+0x30e/0xa40 [20001.697698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20001.697698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20001.697698][ T7704] netlink_rcv_skb+0x130/0x360 [20001.697698][ T7704] netlink_unicast+0x449/0x710 [20001.697698][ T7704] netlink_sendmsg+0x723/0xbe0 [20001.697698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20001.697698][ T7704] ___sys_sendmsg+0xee/0x170 [20001.697698][ T7704] __sys_sendmsg+0xcd/0x170 [20001.697698][ T7704] do_syscall_64+0xc6/0x1e0 [20001.697698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20001.697698][ T7704] [20001.699914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20001.699914][ T7704] netdev_get_by_index+0x5e/0x80 [20001.699914][ T7704] fib6_nh_init+0x3d8/0x15b0 [20001.699914][ T7704] ip6_route_info_create+0xf18/0x17d0 [20001.699914][ T7704] ip6_route_add+0x1c/0x140 [20001.699914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20001.699914][ T7704] addrconf_add_dev+0xe2/0x170 [20001.699914][ T7704] inet6_addr_add+0x12f/0xa40 [20001.699914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20001.699914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20001.699914][ T7704] netlink_rcv_skb+0x130/0x360 [20001.699914][ T7704] netlink_unicast+0x449/0x710 [20001.699914][ T7704] netlink_sendmsg+0x723/0xbe0 [20001.699914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20001.699914][ T7704] ___sys_sendmsg+0xee/0x170 [20001.699914][ T7704] __sys_sendmsg+0xcd/0x170 [20001.699914][ T7704] do_syscall_64+0xc6/0x1e0 [20001.699914][ T7704] [20001.702108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20001.702108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20001.702108][ T7704] ipv6_find_idev+0x102/0x170 [20001.702108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20001.702108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20001.702108][ T7704] netlink_rcv_skb+0x130/0x360 [20001.702108][ T7704] netlink_unicast+0x449/0x710 [20001.702108][ T7704] netlink_sendmsg+0x723/0xbe0 [20001.702108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20001.702108][ T7704] ___sys_sendmsg+0xee/0x170 [20001.702108][ T7704] __sys_sendmsg+0xcd/0x170 [20001.702108][ T7704] do_syscall_64+0xc6/0x1e0 [20001.702108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20001.702108][ T7704] [20001.703816][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20001.703816][ T7704] neigh_parms_alloc+0x1e5/0x510 [20001.703816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20001.703816][ T7704] ipv6_find_idev+0x102/0x170 [20001.703816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20001.703816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20001.703816][ T7704] netlink_rcv_skb+0x130/0x360 [20001.703816][ T7704] netlink_unicast+0x449/0x710 [20001.703816][ T7704] netlink_sendmsg+0x723/0xbe0 [20001.703816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20001.703816][ T7704] ___sys_sendmsg+0xee/0x170 [20001.703816][ T7704] __sys_sendmsg+0xcd/0x170 [20001.703816][ T7704] do_syscall_64+0xc6/0x1e0 [20001.703816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20001.703816][ T7704] [20011.942933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20011.943407][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20011.943407][ T7704] netdev_get_by_index+0x5e/0x80 [20011.943407][ T7704] fib6_nh_init+0x3d8/0x15b0 [20011.943407][ T7704] ip6_route_info_create+0xf18/0x17d0 [20011.943407][ T7704] ip6_route_add+0x1c/0x140 [20011.943407][ T7704] addrconf_prefix_route+0x2a6/0x430 [20011.943407][ T7704] inet6_addr_add+0x4f8/0xa40 [20011.943407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20011.943407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20011.943407][ T7704] netlink_rcv_skb+0x130/0x360 [20011.943407][ T7704] netlink_unicast+0x449/0x710 [20011.943407][ T7704] netlink_sendmsg+0x723/0xbe0 [20011.943407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20011.943407][ T7704] ___sys_sendmsg+0xee/0x170 [20011.943407][ T7704] __sys_sendmsg+0xcd/0x170 [20011.943407][ T7704] do_syscall_64+0xc6/0x1e0 [20011.943407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20011.943407][ T7704] [20011.945643][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20011.945643][ T7704] netdev_get_by_index+0x5e/0x80 [20011.945643][ T7704] fib6_nh_init+0x3d8/0x15b0 [20011.945643][ T7704] ip6_route_info_create+0xf18/0x17d0 [20011.945643][ T7704] addrconf_f6i_alloc+0x315/0x560 [20011.945643][ T7704] ipv6_add_addr+0x411/0x2000 [20011.945643][ T7704] inet6_addr_add+0x30e/0xa40 [20011.945643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20011.945643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20011.945643][ T7704] netlink_rcv_skb+0x130/0x360 [20011.945643][ T7704] netlink_unicast+0x449/0x710 [20011.945643][ T7704] netlink_sendmsg+0x723/0xbe0 [20011.945643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20011.945643][ T7704] ___sys_sendmsg+0xee/0x170 [20011.945643][ T7704] __sys_sendmsg+0xcd/0x170 [20011.945643][ T7704] do_syscall_64+0xc6/0x1e0 [20011.945643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20011.945643][ T7704] [20011.947871][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20011.947871][ T7704] netdev_get_by_index+0x5e/0x80 [20011.947871][ T7704] fib6_nh_init+0x3d8/0x15b0 [20011.947871][ T7704] ip6_route_info_create+0xf18/0x17d0 [20011.947871][ T7704] ip6_route_add+0x1c/0x140 [20011.947871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20011.947871][ T7704] addrconf_add_dev+0xe2/0x170 [20011.947871][ T7704] inet6_addr_add+0x12f/0xa40 [20011.947871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20011.947871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20011.947871][ T7704] netlink_rcv_skb+0x130/0x360 [20011.947871][ T7704] netlink_unicast+0x449/0x710 [20011.947871][ T7704] netlink_sendmsg+0x723/0xbe0 [20011.947871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20011.947871][ T7704] ___sys_sendmsg+0xee/0x170 [20011.947871][ T7704] __sys_sendmsg+0xcd/0x170 [20011.947871][ T7704] do_syscall_64+0xc6/0x1e0 [20011.947871][ T7704] [20011.950063][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20011.950063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20011.950063][ T7704] ipv6_find_idev+0x102/0x170 [20011.950063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20011.950063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20011.950063][ T7704] netlink_rcv_skb+0x130/0x360 [20011.950063][ T7704] netlink_unicast+0x449/0x710 [20011.950063][ T7704] netlink_sendmsg+0x723/0xbe0 [20011.950063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20011.950063][ T7704] ___sys_sendmsg+0xee/0x170 [20011.950063][ T7704] __sys_sendmsg+0xcd/0x170 [20011.950063][ T7704] do_syscall_64+0xc6/0x1e0 [20011.950063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20011.950063][ T7704] [20011.951770][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20011.951770][ T7704] neigh_parms_alloc+0x1e5/0x510 [20011.951770][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20011.951770][ T7704] ipv6_find_idev+0x102/0x170 [20011.951770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20011.951770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20011.951770][ T7704] netlink_rcv_skb+0x130/0x360 [20011.951770][ T7704] netlink_unicast+0x449/0x710 [20011.951770][ T7704] netlink_sendmsg+0x723/0xbe0 [20011.951770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20011.951770][ T7704] ___sys_sendmsg+0xee/0x170 [20011.951770][ T7704] __sys_sendmsg+0xcd/0x170 [20011.951770][ T7704] do_syscall_64+0xc6/0x1e0 [20011.951770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20011.951770][ T7704] [20022.190954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20022.191370][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20022.191370][ T7704] netdev_get_by_index+0x5e/0x80 [20022.191370][ T7704] fib6_nh_init+0x3d8/0x15b0 [20022.191370][ T7704] ip6_route_info_create+0xf18/0x17d0 [20022.191370][ T7704] ip6_route_add+0x1c/0x140 [20022.191370][ T7704] addrconf_prefix_route+0x2a6/0x430 [20022.191370][ T7704] inet6_addr_add+0x4f8/0xa40 [20022.191370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20022.191370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20022.191370][ T7704] netlink_rcv_skb+0x130/0x360 [20022.191370][ T7704] netlink_unicast+0x449/0x710 [20022.191370][ T7704] netlink_sendmsg+0x723/0xbe0 [20022.191370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20022.191370][ T7704] ___sys_sendmsg+0xee/0x170 [20022.191370][ T7704] __sys_sendmsg+0xcd/0x170 [20022.191370][ T7704] do_syscall_64+0xc6/0x1e0 [20022.191370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20022.191370][ T7704] [20022.193621][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20022.193621][ T7704] netdev_get_by_index+0x5e/0x80 [20022.193621][ T7704] fib6_nh_init+0x3d8/0x15b0 [20022.193621][ T7704] ip6_route_info_create+0xf18/0x17d0 [20022.193621][ T7704] addrconf_f6i_alloc+0x315/0x560 [20022.193621][ T7704] ipv6_add_addr+0x411/0x2000 [20022.193621][ T7704] inet6_addr_add+0x30e/0xa40 [20022.193621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20022.193621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20022.193621][ T7704] netlink_rcv_skb+0x130/0x360 [20022.193621][ T7704] netlink_unicast+0x449/0x710 [20022.193621][ T7704] netlink_sendmsg+0x723/0xbe0 [20022.193621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20022.193621][ T7704] ___sys_sendmsg+0xee/0x170 [20022.193621][ T7704] __sys_sendmsg+0xcd/0x170 [20022.193621][ T7704] do_syscall_64+0xc6/0x1e0 [20022.193621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20022.193621][ T7704] [20022.195829][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20022.195829][ T7704] netdev_get_by_index+0x5e/0x80 [20022.195829][ T7704] fib6_nh_init+0x3d8/0x15b0 [20022.195829][ T7704] ip6_route_info_create+0xf18/0x17d0 [20022.195829][ T7704] ip6_route_add+0x1c/0x140 [20022.195829][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20022.195829][ T7704] addrconf_add_dev+0xe2/0x170 [20022.195829][ T7704] inet6_addr_add+0x12f/0xa40 [20022.195829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20022.195829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20022.195829][ T7704] netlink_rcv_skb+0x130/0x360 [20022.195829][ T7704] netlink_unicast+0x449/0x710 [20022.195829][ T7704] netlink_sendmsg+0x723/0xbe0 [20022.195829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20022.195829][ T7704] ___sys_sendmsg+0xee/0x170 [20022.195829][ T7704] __sys_sendmsg+0xcd/0x170 [20022.195829][ T7704] do_syscall_64+0xc6/0x1e0 [20022.195829][ T7704] [20022.198019][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20022.198019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20022.198019][ T7704] ipv6_find_idev+0x102/0x170 [20022.198019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20022.198019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20022.198019][ T7704] netlink_rcv_skb+0x130/0x360 [20022.198019][ T7704] netlink_unicast+0x449/0x710 [20022.198019][ T7704] netlink_sendmsg+0x723/0xbe0 [20022.198019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20022.198019][ T7704] ___sys_sendmsg+0xee/0x170 [20022.198019][ T7704] __sys_sendmsg+0xcd/0x170 [20022.198019][ T7704] do_syscall_64+0xc6/0x1e0 [20022.198019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20022.198019][ T7704] [20022.199722][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20022.199722][ T7704] neigh_parms_alloc+0x1e5/0x510 [20022.199722][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20022.199722][ T7704] ipv6_find_idev+0x102/0x170 [20022.199722][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20022.199722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20022.199722][ T7704] netlink_rcv_skb+0x130/0x360 [20022.199722][ T7704] netlink_unicast+0x449/0x710 [20022.199722][ T7704] netlink_sendmsg+0x723/0xbe0 [20022.199722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20022.199722][ T7704] ___sys_sendmsg+0xee/0x170 [20022.199722][ T7704] __sys_sendmsg+0xcd/0x170 [20022.199722][ T7704] do_syscall_64+0xc6/0x1e0 [20022.199722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20022.199722][ T7704] [20032.454927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20032.455463][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20032.455463][ T7704] netdev_get_by_index+0x5e/0x80 [20032.455463][ T7704] fib6_nh_init+0x3d8/0x15b0 [20032.455463][ T7704] ip6_route_info_create+0xf18/0x17d0 [20032.455463][ T7704] ip6_route_add+0x1c/0x140 [20032.455463][ T7704] addrconf_prefix_route+0x2a6/0x430 [20032.455463][ T7704] inet6_addr_add+0x4f8/0xa40 [20032.455463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20032.455463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20032.455463][ T7704] netlink_rcv_skb+0x130/0x360 [20032.455463][ T7704] netlink_unicast+0x449/0x710 [20032.455463][ T7704] netlink_sendmsg+0x723/0xbe0 [20032.455463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20032.455463][ T7704] ___sys_sendmsg+0xee/0x170 [20032.455463][ T7704] __sys_sendmsg+0xcd/0x170 [20032.455463][ T7704] do_syscall_64+0xc6/0x1e0 [20032.455463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20032.455463][ T7704] [20032.457890][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20032.457890][ T7704] netdev_get_by_index+0x5e/0x80 [20032.457890][ T7704] fib6_nh_init+0x3d8/0x15b0 [20032.457890][ T7704] ip6_route_info_create+0xf18/0x17d0 [20032.457890][ T7704] addrconf_f6i_alloc+0x315/0x560 [20032.457890][ T7704] ipv6_add_addr+0x411/0x2000 [20032.457890][ T7704] inet6_addr_add+0x30e/0xa40 [20032.457890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20032.457890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20032.457890][ T7704] netlink_rcv_skb+0x130/0x360 [20032.457890][ T7704] netlink_unicast+0x449/0x710 [20032.457890][ T7704] netlink_sendmsg+0x723/0xbe0 [20032.457890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20032.457890][ T7704] ___sys_sendmsg+0xee/0x170 [20032.457890][ T7704] __sys_sendmsg+0xcd/0x170 [20032.457890][ T7704] do_syscall_64+0xc6/0x1e0 [20032.457890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20032.457890][ T7704] [20032.460130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20032.460130][ T7704] netdev_get_by_index+0x5e/0x80 [20032.460130][ T7704] fib6_nh_init+0x3d8/0x15b0 [20032.460130][ T7704] ip6_route_info_create+0xf18/0x17d0 [20032.460130][ T7704] ip6_route_add+0x1c/0x140 [20032.460130][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20032.460130][ T7704] addrconf_add_dev+0xe2/0x170 [20032.460130][ T7704] inet6_addr_add+0x12f/0xa40 [20032.460130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20032.460130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20032.460130][ T7704] netlink_rcv_skb+0x130/0x360 [20032.460130][ T7704] netlink_unicast+0x449/0x710 [20032.460130][ T7704] netlink_sendmsg+0x723/0xbe0 [20032.460130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20032.460130][ T7704] ___sys_sendmsg+0xee/0x170 [20032.460130][ T7704] __sys_sendmsg+0xcd/0x170 [20032.460130][ T7704] do_syscall_64+0xc6/0x1e0 [20032.460130][ T7704] [20032.462313][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20032.462313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20032.462313][ T7704] ipv6_find_idev+0x102/0x170 [20032.462313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20032.462313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20032.462313][ T7704] netlink_rcv_skb+0x130/0x360 [20032.462313][ T7704] netlink_unicast+0x449/0x710 [20032.462313][ T7704] netlink_sendmsg+0x723/0xbe0 [20032.462313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20032.462313][ T7704] ___sys_sendmsg+0xee/0x170 [20032.462313][ T7704] __sys_sendmsg+0xcd/0x170 [20032.462313][ T7704] do_syscall_64+0xc6/0x1e0 [20032.462313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20032.462313][ T7704] [20032.464018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20032.464018][ T7704] neigh_parms_alloc+0x1e5/0x510 [20032.464018][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20032.464018][ T7704] ipv6_find_idev+0x102/0x170 [20032.464018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20032.464018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20032.464018][ T7704] netlink_rcv_skb+0x130/0x360 [20032.464018][ T7704] netlink_unicast+0x449/0x710 [20032.464018][ T7704] netlink_sendmsg+0x723/0xbe0 [20032.464018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20032.464018][ T7704] ___sys_sendmsg+0xee/0x170 [20032.464018][ T7704] __sys_sendmsg+0xcd/0x170 [20032.464018][ T7704] do_syscall_64+0xc6/0x1e0 [20032.464018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20032.464018][ T7704] [20042.630938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20042.631416][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20042.631416][ T7704] netdev_get_by_index+0x5e/0x80 [20042.631416][ T7704] fib6_nh_init+0x3d8/0x15b0 [20042.631416][ T7704] ip6_route_info_create+0xf18/0x17d0 [20042.631416][ T7704] ip6_route_add+0x1c/0x140 [20042.631416][ T7704] addrconf_prefix_route+0x2a6/0x430 [20042.631416][ T7704] inet6_addr_add+0x4f8/0xa40 [20042.631416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20042.631416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20042.631416][ T7704] netlink_rcv_skb+0x130/0x360 [20042.631416][ T7704] netlink_unicast+0x449/0x710 [20042.631416][ T7704] netlink_sendmsg+0x723/0xbe0 [20042.631416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20042.631416][ T7704] ___sys_sendmsg+0xee/0x170 [20042.631416][ T7704] __sys_sendmsg+0xcd/0x170 [20042.631416][ T7704] do_syscall_64+0xc6/0x1e0 [20042.631416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20042.631416][ T7704] [20042.633653][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20042.633653][ T7704] netdev_get_by_index+0x5e/0x80 [20042.633653][ T7704] fib6_nh_init+0x3d8/0x15b0 [20042.633653][ T7704] ip6_route_info_create+0xf18/0x17d0 [20042.633653][ T7704] addrconf_f6i_alloc+0x315/0x560 [20042.633653][ T7704] ipv6_add_addr+0x411/0x2000 [20042.633653][ T7704] inet6_addr_add+0x30e/0xa40 [20042.633653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20042.633653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20042.633653][ T7704] netlink_rcv_skb+0x130/0x360 [20042.633653][ T7704] netlink_unicast+0x449/0x710 [20042.633653][ T7704] netlink_sendmsg+0x723/0xbe0 [20042.633653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20042.633653][ T7704] ___sys_sendmsg+0xee/0x170 [20042.633653][ T7704] __sys_sendmsg+0xcd/0x170 [20042.633653][ T7704] do_syscall_64+0xc6/0x1e0 [20042.633653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20042.633653][ T7704] [20042.635857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20042.635857][ T7704] netdev_get_by_index+0x5e/0x80 [20042.635857][ T7704] fib6_nh_init+0x3d8/0x15b0 [20042.635857][ T7704] ip6_route_info_create+0xf18/0x17d0 [20042.635857][ T7704] ip6_route_add+0x1c/0x140 [20042.635857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20042.635857][ T7704] addrconf_add_dev+0xe2/0x170 [20042.635857][ T7704] inet6_addr_add+0x12f/0xa40 [20042.635857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20042.635857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20042.635857][ T7704] netlink_rcv_skb+0x130/0x360 [20042.635857][ T7704] netlink_unicast+0x449/0x710 [20042.635857][ T7704] netlink_sendmsg+0x723/0xbe0 [20042.635857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20042.635857][ T7704] ___sys_sendmsg+0xee/0x170 [20042.635857][ T7704] __sys_sendmsg+0xcd/0x170 [20042.635857][ T7704] do_syscall_64+0xc6/0x1e0 [20042.635857][ T7704] [20042.638057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20042.638057][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20042.638057][ T7704] ipv6_find_idev+0x102/0x170 [20042.638057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20042.638057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20042.638057][ T7704] netlink_rcv_skb+0x130/0x360 [20042.638057][ T7704] netlink_unicast+0x449/0x710 [20042.638057][ T7704] netlink_sendmsg+0x723/0xbe0 [20042.638057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20042.638057][ T7704] ___sys_sendmsg+0xee/0x170 [20042.638057][ T7704] __sys_sendmsg+0xcd/0x170 [20042.638057][ T7704] do_syscall_64+0xc6/0x1e0 [20042.638057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20042.638057][ T7704] [20042.639759][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20042.639759][ T7704] neigh_parms_alloc+0x1e5/0x510 [20042.639759][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20042.639759][ T7704] ipv6_find_idev+0x102/0x170 [20042.639759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20042.639759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20042.639759][ T7704] netlink_rcv_skb+0x130/0x360 [20042.639759][ T7704] netlink_unicast+0x449/0x710 [20042.639759][ T7704] netlink_sendmsg+0x723/0xbe0 [20042.639759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20042.639759][ T7704] ___sys_sendmsg+0xee/0x170 [20042.639759][ T7704] __sys_sendmsg+0xcd/0x170 [20042.639759][ T7704] do_syscall_64+0xc6/0x1e0 [20042.639759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20042.639759][ T7704] [20052.878955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20052.879419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20052.879419][ T7704] netdev_get_by_index+0x5e/0x80 [20052.879419][ T7704] fib6_nh_init+0x3d8/0x15b0 [20052.879419][ T7704] ip6_route_info_create+0xf18/0x17d0 [20052.879419][ T7704] ip6_route_add+0x1c/0x140 [20052.879419][ T7704] addrconf_prefix_route+0x2a6/0x430 [20052.879419][ T7704] inet6_addr_add+0x4f8/0xa40 [20052.879419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20052.879419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20052.879419][ T7704] netlink_rcv_skb+0x130/0x360 [20052.879419][ T7704] netlink_unicast+0x449/0x710 [20052.879419][ T7704] netlink_sendmsg+0x723/0xbe0 [20052.879419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20052.879419][ T7704] ___sys_sendmsg+0xee/0x170 [20052.879419][ T7704] __sys_sendmsg+0xcd/0x170 [20052.879419][ T7704] do_syscall_64+0xc6/0x1e0 [20052.879419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20052.879419][ T7704] [20052.881703][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20052.881703][ T7704] netdev_get_by_index+0x5e/0x80 [20052.881703][ T7704] fib6_nh_init+0x3d8/0x15b0 [20052.881703][ T7704] ip6_route_info_create+0xf18/0x17d0 [20052.881703][ T7704] addrconf_f6i_alloc+0x315/0x560 [20052.881703][ T7704] ipv6_add_addr+0x411/0x2000 [20052.881703][ T7704] inet6_addr_add+0x30e/0xa40 [20052.881703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20052.881703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20052.881703][ T7704] netlink_rcv_skb+0x130/0x360 [20052.881703][ T7704] netlink_unicast+0x449/0x710 [20052.881703][ T7704] netlink_sendmsg+0x723/0xbe0 [20052.881703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20052.881703][ T7704] ___sys_sendmsg+0xee/0x170 [20052.881703][ T7704] __sys_sendmsg+0xcd/0x170 [20052.881703][ T7704] do_syscall_64+0xc6/0x1e0 [20052.881703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20052.881703][ T7704] [20052.883966][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20052.883966][ T7704] netdev_get_by_index+0x5e/0x80 [20052.883966][ T7704] fib6_nh_init+0x3d8/0x15b0 [20052.883966][ T7704] ip6_route_info_create+0xf18/0x17d0 [20052.883966][ T7704] ip6_route_add+0x1c/0x140 [20052.883966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20052.883966][ T7704] addrconf_add_dev+0xe2/0x170 [20052.883966][ T7704] inet6_addr_add+0x12f/0xa40 [20052.883966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20052.883966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20052.883966][ T7704] netlink_rcv_skb+0x130/0x360 [20052.883966][ T7704] netlink_unicast+0x449/0x710 [20052.883966][ T7704] netlink_sendmsg+0x723/0xbe0 [20052.883966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20052.883966][ T7704] ___sys_sendmsg+0xee/0x170 [20052.883966][ T7704] __sys_sendmsg+0xcd/0x170 [20052.883966][ T7704] do_syscall_64+0xc6/0x1e0 [20052.883966][ T7704] [20052.886196][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20052.886196][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20052.886196][ T7704] ipv6_find_idev+0x102/0x170 [20052.886196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20052.886196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20052.886196][ T7704] netlink_rcv_skb+0x130/0x360 [20052.886196][ T7704] netlink_unicast+0x449/0x710 [20052.886196][ T7704] netlink_sendmsg+0x723/0xbe0 [20052.886196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20052.886196][ T7704] ___sys_sendmsg+0xee/0x170 [20052.886196][ T7704] __sys_sendmsg+0xcd/0x170 [20052.886196][ T7704] do_syscall_64+0xc6/0x1e0 [20052.886196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20052.886196][ T7704] [20052.887959][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20052.887959][ T7704] neigh_parms_alloc+0x1e5/0x510 [20052.887959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20052.887959][ T7704] ipv6_find_idev+0x102/0x170 [20052.887959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20052.887959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20052.887959][ T7704] netlink_rcv_skb+0x130/0x360 [20052.887959][ T7704] netlink_unicast+0x449/0x710 [20052.887959][ T7704] netlink_sendmsg+0x723/0xbe0 [20052.887959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20052.887959][ T7704] ___sys_sendmsg+0xee/0x170 [20052.887959][ T7704] __sys_sendmsg+0xcd/0x170 [20052.887959][ T7704] do_syscall_64+0xc6/0x1e0 [20052.887959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20052.887959][ T7704] [20063.126920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20063.127406][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20063.127406][ T7704] netdev_get_by_index+0x5e/0x80 [20063.127406][ T7704] fib6_nh_init+0x3d8/0x15b0 [20063.127406][ T7704] ip6_route_info_create+0xf18/0x17d0 [20063.127406][ T7704] ip6_route_add+0x1c/0x140 [20063.127406][ T7704] addrconf_prefix_route+0x2a6/0x430 [20063.127406][ T7704] inet6_addr_add+0x4f8/0xa40 [20063.127406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20063.127406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20063.127406][ T7704] netlink_rcv_skb+0x130/0x360 [20063.127406][ T7704] netlink_unicast+0x449/0x710 [20063.127406][ T7704] netlink_sendmsg+0x723/0xbe0 [20063.127406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20063.127406][ T7704] ___sys_sendmsg+0xee/0x170 [20063.127406][ T7704] __sys_sendmsg+0xcd/0x170 [20063.127406][ T7704] do_syscall_64+0xc6/0x1e0 [20063.127406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20063.127406][ T7704] [20063.129655][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20063.129655][ T7704] netdev_get_by_index+0x5e/0x80 [20063.129655][ T7704] fib6_nh_init+0x3d8/0x15b0 [20063.129655][ T7704] ip6_route_info_create+0xf18/0x17d0 [20063.129655][ T7704] addrconf_f6i_alloc+0x315/0x560 [20063.129655][ T7704] ipv6_add_addr+0x411/0x2000 [20063.129655][ T7704] inet6_addr_add+0x30e/0xa40 [20063.129655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20063.129655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20063.129655][ T7704] netlink_rcv_skb+0x130/0x360 [20063.129655][ T7704] netlink_unicast+0x449/0x710 [20063.129655][ T7704] netlink_sendmsg+0x723/0xbe0 [20063.129655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20063.129655][ T7704] ___sys_sendmsg+0xee/0x170 [20063.129655][ T7704] __sys_sendmsg+0xcd/0x170 [20063.129655][ T7704] do_syscall_64+0xc6/0x1e0 [20063.129655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20063.129655][ T7704] [20063.131868][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20063.131868][ T7704] netdev_get_by_index+0x5e/0x80 [20063.131868][ T7704] fib6_nh_init+0x3d8/0x15b0 [20063.131868][ T7704] ip6_route_info_create+0xf18/0x17d0 [20063.131868][ T7704] ip6_route_add+0x1c/0x140 [20063.131868][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20063.131868][ T7704] addrconf_add_dev+0xe2/0x170 [20063.131868][ T7704] inet6_addr_add+0x12f/0xa40 [20063.131868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20063.131868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20063.131868][ T7704] netlink_rcv_skb+0x130/0x360 [20063.131868][ T7704] netlink_unicast+0x449/0x710 [20063.131868][ T7704] netlink_sendmsg+0x723/0xbe0 [20063.131868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20063.131868][ T7704] ___sys_sendmsg+0xee/0x170 [20063.131868][ T7704] __sys_sendmsg+0xcd/0x170 [20063.131868][ T7704] do_syscall_64+0xc6/0x1e0 [20063.131868][ T7704] [20063.134045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20063.134045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20063.134045][ T7704] ipv6_find_idev+0x102/0x170 [20063.134045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20063.134045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20063.134045][ T7704] netlink_rcv_skb+0x130/0x360 [20063.134045][ T7704] netlink_unicast+0x449/0x710 [20063.134045][ T7704] netlink_sendmsg+0x723/0xbe0 [20063.134045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20063.134045][ T7704] ___sys_sendmsg+0xee/0x170 [20063.134045][ T7704] __sys_sendmsg+0xcd/0x170 [20063.134045][ T7704] do_syscall_64+0xc6/0x1e0 [20063.134045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20063.134045][ T7704] [20063.136261][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20063.136261][ T7704] neigh_parms_alloc+0x1e5/0x510 [20063.136261][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20063.136261][ T7704] ipv6_find_idev+0x102/0x170 [20063.136261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20063.136261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20063.136261][ T7704] netlink_rcv_skb+0x130/0x360 [20063.136261][ T7704] netlink_unicast+0x449/0x710 [20063.136261][ T7704] netlink_sendmsg+0x723/0xbe0 [20063.136261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20063.136261][ T7704] ___sys_sendmsg+0xee/0x170 [20063.136261][ T7704] __sys_sendmsg+0xcd/0x170 [20063.136261][ T7704] do_syscall_64+0xc6/0x1e0 [20063.136261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20063.136261][ T7704] [20073.294932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20073.295396][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20073.295396][ T7704] netdev_get_by_index+0x5e/0x80 [20073.295396][ T7704] fib6_nh_init+0x3d8/0x15b0 [20073.295396][ T7704] ip6_route_info_create+0xf18/0x17d0 [20073.295396][ T7704] ip6_route_add+0x1c/0x140 [20073.295396][ T7704] addrconf_prefix_route+0x2a6/0x430 [20073.295396][ T7704] inet6_addr_add+0x4f8/0xa40 [20073.295396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20073.295396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20073.295396][ T7704] netlink_rcv_skb+0x130/0x360 [20073.295396][ T7704] netlink_unicast+0x449/0x710 [20073.295396][ T7704] netlink_sendmsg+0x723/0xbe0 [20073.295396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20073.295396][ T7704] ___sys_sendmsg+0xee/0x170 [20073.295396][ T7704] __sys_sendmsg+0xcd/0x170 [20073.295396][ T7704] do_syscall_64+0xc6/0x1e0 [20073.295396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20073.295396][ T7704] [20073.297640][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20073.297640][ T7704] netdev_get_by_index+0x5e/0x80 [20073.297640][ T7704] fib6_nh_init+0x3d8/0x15b0 [20073.297640][ T7704] ip6_route_info_create+0xf18/0x17d0 [20073.297640][ T7704] addrconf_f6i_alloc+0x315/0x560 [20073.297640][ T7704] ipv6_add_addr+0x411/0x2000 [20073.297640][ T7704] inet6_addr_add+0x30e/0xa40 [20073.297640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20073.297640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20073.297640][ T7704] netlink_rcv_skb+0x130/0x360 [20073.297640][ T7704] netlink_unicast+0x449/0x710 [20073.297640][ T7704] netlink_sendmsg+0x723/0xbe0 [20073.297640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20073.297640][ T7704] ___sys_sendmsg+0xee/0x170 [20073.297640][ T7704] __sys_sendmsg+0xcd/0x170 [20073.297640][ T7704] do_syscall_64+0xc6/0x1e0 [20073.297640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20073.297640][ T7704] [20073.299857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20073.299857][ T7704] netdev_get_by_index+0x5e/0x80 [20073.299857][ T7704] fib6_nh_init+0x3d8/0x15b0 [20073.299857][ T7704] ip6_route_info_create+0xf18/0x17d0 [20073.299857][ T7704] ip6_route_add+0x1c/0x140 [20073.299857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20073.299857][ T7704] addrconf_add_dev+0xe2/0x170 [20073.299857][ T7704] inet6_addr_add+0x12f/0xa40 [20073.299857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20073.299857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20073.299857][ T7704] netlink_rcv_skb+0x130/0x360 [20073.299857][ T7704] netlink_unicast+0x449/0x710 [20073.299857][ T7704] netlink_sendmsg+0x723/0xbe0 [20073.299857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20073.299857][ T7704] ___sys_sendmsg+0xee/0x170 [20073.299857][ T7704] __sys_sendmsg+0xcd/0x170 [20073.299857][ T7704] do_syscall_64+0xc6/0x1e0 [20073.299857][ T7704] [20073.302080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20073.302080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20073.302080][ T7704] ipv6_find_idev+0x102/0x170 [20073.302080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20073.302080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20073.302080][ T7704] netlink_rcv_skb+0x130/0x360 [20073.302080][ T7704] netlink_unicast+0x449/0x710 [20073.302080][ T7704] netlink_sendmsg+0x723/0xbe0 [20073.302080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20073.302080][ T7704] ___sys_sendmsg+0xee/0x170 [20073.302080][ T7704] __sys_sendmsg+0xcd/0x170 [20073.302080][ T7704] do_syscall_64+0xc6/0x1e0 [20073.302080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20073.302080][ T7704] [20073.303836][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20073.303836][ T7704] neigh_parms_alloc+0x1e5/0x510 [20073.303836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20073.303836][ T7704] ipv6_find_idev+0x102/0x170 [20073.303836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20073.303836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20073.303836][ T7704] netlink_rcv_skb+0x130/0x360 [20073.303836][ T7704] netlink_unicast+0x449/0x710 [20073.303836][ T7704] netlink_sendmsg+0x723/0xbe0 [20073.303836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20073.303836][ T7704] ___sys_sendmsg+0xee/0x170 [20073.303836][ T7704] __sys_sendmsg+0xcd/0x170 [20073.303836][ T7704] do_syscall_64+0xc6/0x1e0 [20073.303836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20073.303836][ T7704] [20083.342934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20083.343360][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20083.343360][ T7704] netdev_get_by_index+0x5e/0x80 [20083.343360][ T7704] fib6_nh_init+0x3d8/0x15b0 [20083.343360][ T7704] ip6_route_info_create+0xf18/0x17d0 [20083.343360][ T7704] ip6_route_add+0x1c/0x140 [20083.343360][ T7704] addrconf_prefix_route+0x2a6/0x430 [20083.343360][ T7704] inet6_addr_add+0x4f8/0xa40 [20083.343360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20083.343360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20083.343360][ T7704] netlink_rcv_skb+0x130/0x360 [20083.343360][ T7704] netlink_unicast+0x449/0x710 [20083.343360][ T7704] netlink_sendmsg+0x723/0xbe0 [20083.343360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20083.343360][ T7704] ___sys_sendmsg+0xee/0x170 [20083.343360][ T7704] __sys_sendmsg+0xcd/0x170 [20083.343360][ T7704] do_syscall_64+0xc6/0x1e0 [20083.343360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20083.343360][ T7704] [20083.345687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20083.345687][ T7704] netdev_get_by_index+0x5e/0x80 [20083.345687][ T7704] fib6_nh_init+0x3d8/0x15b0 [20083.345687][ T7704] ip6_route_info_create+0xf18/0x17d0 [20083.345687][ T7704] addrconf_f6i_alloc+0x315/0x560 [20083.345687][ T7704] ipv6_add_addr+0x411/0x2000 [20083.345687][ T7704] inet6_addr_add+0x30e/0xa40 [20083.345687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20083.345687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20083.345687][ T7704] netlink_rcv_skb+0x130/0x360 [20083.345687][ T7704] netlink_unicast+0x449/0x710 [20083.345687][ T7704] netlink_sendmsg+0x723/0xbe0 [20083.345687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20083.345687][ T7704] ___sys_sendmsg+0xee/0x170 [20083.345687][ T7704] __sys_sendmsg+0xcd/0x170 [20083.345687][ T7704] do_syscall_64+0xc6/0x1e0 [20083.345687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20083.345687][ T7704] [20083.347911][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20083.347911][ T7704] netdev_get_by_index+0x5e/0x80 [20083.347911][ T7704] fib6_nh_init+0x3d8/0x15b0 [20083.347911][ T7704] ip6_route_info_create+0xf18/0x17d0 [20083.347911][ T7704] ip6_route_add+0x1c/0x140 [20083.347911][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20083.347911][ T7704] addrconf_add_dev+0xe2/0x170 [20083.347911][ T7704] inet6_addr_add+0x12f/0xa40 [20083.347911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20083.347911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20083.347911][ T7704] netlink_rcv_skb+0x130/0x360 [20083.347911][ T7704] netlink_unicast+0x449/0x710 [20083.347911][ T7704] netlink_sendmsg+0x723/0xbe0 [20083.347911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20083.347911][ T7704] ___sys_sendmsg+0xee/0x170 [20083.347911][ T7704] __sys_sendmsg+0xcd/0x170 [20083.347911][ T7704] do_syscall_64+0xc6/0x1e0 [20083.347911][ T7704] [20083.350114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20083.350114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20083.350114][ T7704] ipv6_find_idev+0x102/0x170 [20083.350114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20083.350114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20083.350114][ T7704] netlink_rcv_skb+0x130/0x360 [20083.350114][ T7704] netlink_unicast+0x449/0x710 [20083.350114][ T7704] netlink_sendmsg+0x723/0xbe0 [20083.350114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20083.350114][ T7704] ___sys_sendmsg+0xee/0x170 [20083.350114][ T7704] __sys_sendmsg+0xcd/0x170 [20083.350114][ T7704] do_syscall_64+0xc6/0x1e0 [20083.350114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20083.350114][ T7704] [20083.351848][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20083.351848][ T7704] neigh_parms_alloc+0x1e5/0x510 [20083.351848][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20083.351848][ T7704] ipv6_find_idev+0x102/0x170 [20083.351848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20083.351848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20083.351848][ T7704] netlink_rcv_skb+0x130/0x360 [20083.351848][ T7704] netlink_unicast+0x449/0x710 [20083.351848][ T7704] netlink_sendmsg+0x723/0xbe0 [20083.351848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20083.351848][ T7704] ___sys_sendmsg+0xee/0x170 [20083.351848][ T7704] __sys_sendmsg+0xcd/0x170 [20083.351848][ T7704] do_syscall_64+0xc6/0x1e0 [20083.351848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20083.351848][ T7704] [20093.590934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20093.591433][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20093.591433][ T7704] netdev_get_by_index+0x5e/0x80 [20093.591433][ T7704] fib6_nh_init+0x3d8/0x15b0 [20093.591433][ T7704] ip6_route_info_create+0xf18/0x17d0 [20093.591433][ T7704] ip6_route_add+0x1c/0x140 [20093.591433][ T7704] addrconf_prefix_route+0x2a6/0x430 [20093.591433][ T7704] inet6_addr_add+0x4f8/0xa40 [20093.591433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20093.591433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20093.591433][ T7704] netlink_rcv_skb+0x130/0x360 [20093.591433][ T7704] netlink_unicast+0x449/0x710 [20093.591433][ T7704] netlink_sendmsg+0x723/0xbe0 [20093.591433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20093.591433][ T7704] ___sys_sendmsg+0xee/0x170 [20093.591433][ T7704] __sys_sendmsg+0xcd/0x170 [20093.591433][ T7704] do_syscall_64+0xc6/0x1e0 [20093.591433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20093.591433][ T7704] [20093.593735][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20093.593735][ T7704] netdev_get_by_index+0x5e/0x80 [20093.593735][ T7704] fib6_nh_init+0x3d8/0x15b0 [20093.593735][ T7704] ip6_route_info_create+0xf18/0x17d0 [20093.593735][ T7704] addrconf_f6i_alloc+0x315/0x560 [20093.593735][ T7704] ipv6_add_addr+0x411/0x2000 [20093.593735][ T7704] inet6_addr_add+0x30e/0xa40 [20093.593735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20093.593735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20093.593735][ T7704] netlink_rcv_skb+0x130/0x360 [20093.593735][ T7704] netlink_unicast+0x449/0x710 [20093.593735][ T7704] netlink_sendmsg+0x723/0xbe0 [20093.593735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20093.593735][ T7704] ___sys_sendmsg+0xee/0x170 [20093.593735][ T7704] __sys_sendmsg+0xcd/0x170 [20093.593735][ T7704] do_syscall_64+0xc6/0x1e0 [20093.593735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20093.593735][ T7704] [20093.596010][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20093.596010][ T7704] netdev_get_by_index+0x5e/0x80 [20093.596010][ T7704] fib6_nh_init+0x3d8/0x15b0 [20093.596010][ T7704] ip6_route_info_create+0xf18/0x17d0 [20093.596010][ T7704] ip6_route_add+0x1c/0x140 [20093.596010][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20093.596010][ T7704] addrconf_add_dev+0xe2/0x170 [20093.596010][ T7704] inet6_addr_add+0x12f/0xa40 [20093.596010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20093.596010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20093.596010][ T7704] netlink_rcv_skb+0x130/0x360 [20093.596010][ T7704] netlink_unicast+0x449/0x710 [20093.596010][ T7704] netlink_sendmsg+0x723/0xbe0 [20093.596010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20093.596010][ T7704] ___sys_sendmsg+0xee/0x170 [20093.596010][ T7704] __sys_sendmsg+0xcd/0x170 [20093.596010][ T7704] do_syscall_64+0xc6/0x1e0 [20093.596010][ T7704] [20093.598264][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20093.598264][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20093.598264][ T7704] ipv6_find_idev+0x102/0x170 [20093.598264][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20093.598264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20093.598264][ T7704] netlink_rcv_skb+0x130/0x360 [20093.598264][ T7704] netlink_unicast+0x449/0x710 [20093.598264][ T7704] netlink_sendmsg+0x723/0xbe0 [20093.598264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20093.598264][ T7704] ___sys_sendmsg+0xee/0x170 [20093.598264][ T7704] __sys_sendmsg+0xcd/0x170 [20093.598264][ T7704] do_syscall_64+0xc6/0x1e0 [20093.598264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20093.598264][ T7704] [20093.600012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20093.600012][ T7704] neigh_parms_alloc+0x1e5/0x510 [20093.600012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20093.600012][ T7704] ipv6_find_idev+0x102/0x170 [20093.600012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20093.600012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20093.600012][ T7704] netlink_rcv_skb+0x130/0x360 [20093.600012][ T7704] netlink_unicast+0x449/0x710 [20093.600012][ T7704] netlink_sendmsg+0x723/0xbe0 [20093.600012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20093.600012][ T7704] ___sys_sendmsg+0xee/0x170 [20093.600012][ T7704] __sys_sendmsg+0xcd/0x170 [20093.600012][ T7704] do_syscall_64+0xc6/0x1e0 [20093.600012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20093.600012][ T7704] [20103.838958][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20103.839443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20103.839443][ T7704] netdev_get_by_index+0x5e/0x80 [20103.839443][ T7704] fib6_nh_init+0x3d8/0x15b0 [20103.839443][ T7704] ip6_route_info_create+0xf18/0x17d0 [20103.839443][ T7704] ip6_route_add+0x1c/0x140 [20103.839443][ T7704] addrconf_prefix_route+0x2a6/0x430 [20103.839443][ T7704] inet6_addr_add+0x4f8/0xa40 [20103.839443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20103.839443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20103.839443][ T7704] netlink_rcv_skb+0x130/0x360 [20103.839443][ T7704] netlink_unicast+0x449/0x710 [20103.839443][ T7704] netlink_sendmsg+0x723/0xbe0 [20103.839443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20103.839443][ T7704] ___sys_sendmsg+0xee/0x170 [20103.839443][ T7704] __sys_sendmsg+0xcd/0x170 [20103.839443][ T7704] do_syscall_64+0xc6/0x1e0 [20103.839443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20103.839443][ T7704] [20103.841740][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20103.841740][ T7704] netdev_get_by_index+0x5e/0x80 [20103.841740][ T7704] fib6_nh_init+0x3d8/0x15b0 [20103.841740][ T7704] ip6_route_info_create+0xf18/0x17d0 [20103.841740][ T7704] addrconf_f6i_alloc+0x315/0x560 [20103.841740][ T7704] ipv6_add_addr+0x411/0x2000 [20103.841740][ T7704] inet6_addr_add+0x30e/0xa40 [20103.841740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20103.841740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20103.841740][ T7704] netlink_rcv_skb+0x130/0x360 [20103.841740][ T7704] netlink_unicast+0x449/0x710 [20103.841740][ T7704] netlink_sendmsg+0x723/0xbe0 [20103.841740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20103.841740][ T7704] ___sys_sendmsg+0xee/0x170 [20103.841740][ T7704] __sys_sendmsg+0xcd/0x170 [20103.841740][ T7704] do_syscall_64+0xc6/0x1e0 [20103.841740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20103.841740][ T7704] [20103.844014][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20103.844014][ T7704] netdev_get_by_index+0x5e/0x80 [20103.844014][ T7704] fib6_nh_init+0x3d8/0x15b0 [20103.844014][ T7704] ip6_route_info_create+0xf18/0x17d0 [20103.844014][ T7704] ip6_route_add+0x1c/0x140 [20103.844014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20103.844014][ T7704] addrconf_add_dev+0xe2/0x170 [20103.844014][ T7704] inet6_addr_add+0x12f/0xa40 [20103.844014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20103.844014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20103.844014][ T7704] netlink_rcv_skb+0x130/0x360 [20103.844014][ T7704] netlink_unicast+0x449/0x710 [20103.844014][ T7704] netlink_sendmsg+0x723/0xbe0 [20103.844014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20103.844014][ T7704] ___sys_sendmsg+0xee/0x170 [20103.844014][ T7704] __sys_sendmsg+0xcd/0x170 [20103.844014][ T7704] do_syscall_64+0xc6/0x1e0 [20103.844014][ T7704] [20103.846242][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20103.846242][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20103.846242][ T7704] ipv6_find_idev+0x102/0x170 [20103.846242][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20103.846242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20103.846242][ T7704] netlink_rcv_skb+0x130/0x360 [20103.846242][ T7704] netlink_unicast+0x449/0x710 [20103.846242][ T7704] netlink_sendmsg+0x723/0xbe0 [20103.846242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20103.846242][ T7704] ___sys_sendmsg+0xee/0x170 [20103.846242][ T7704] __sys_sendmsg+0xcd/0x170 [20103.846242][ T7704] do_syscall_64+0xc6/0x1e0 [20103.846242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20103.846242][ T7704] [20103.848012][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20103.848012][ T7704] neigh_parms_alloc+0x1e5/0x510 [20103.848012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20103.848012][ T7704] ipv6_find_idev+0x102/0x170 [20103.848012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20103.848012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20103.848012][ T7704] netlink_rcv_skb+0x130/0x360 [20103.848012][ T7704] netlink_unicast+0x449/0x710 [20103.848012][ T7704] netlink_sendmsg+0x723/0xbe0 [20103.848012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20103.848012][ T7704] ___sys_sendmsg+0xee/0x170 [20103.848012][ T7704] __sys_sendmsg+0xcd/0x170 [20103.848012][ T7704] do_syscall_64+0xc6/0x1e0 [20103.848012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20103.848012][ T7704] [20114.086926][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20114.087354][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20114.087354][ T7704] netdev_get_by_index+0x5e/0x80 [20114.087354][ T7704] fib6_nh_init+0x3d8/0x15b0 [20114.087354][ T7704] ip6_route_info_create+0xf18/0x17d0 [20114.087354][ T7704] ip6_route_add+0x1c/0x140 [20114.087354][ T7704] addrconf_prefix_route+0x2a6/0x430 [20114.087354][ T7704] inet6_addr_add+0x4f8/0xa40 [20114.087354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20114.087354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20114.087354][ T7704] netlink_rcv_skb+0x130/0x360 [20114.087354][ T7704] netlink_unicast+0x449/0x710 [20114.087354][ T7704] netlink_sendmsg+0x723/0xbe0 [20114.087354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20114.087354][ T7704] ___sys_sendmsg+0xee/0x170 [20114.087354][ T7704] __sys_sendmsg+0xcd/0x170 [20114.087354][ T7704] do_syscall_64+0xc6/0x1e0 [20114.087354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20114.087354][ T7704] [20114.089638][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20114.089638][ T7704] netdev_get_by_index+0x5e/0x80 [20114.089638][ T7704] fib6_nh_init+0x3d8/0x15b0 [20114.089638][ T7704] ip6_route_info_create+0xf18/0x17d0 [20114.089638][ T7704] addrconf_f6i_alloc+0x315/0x560 [20114.089638][ T7704] ipv6_add_addr+0x411/0x2000 [20114.089638][ T7704] inet6_addr_add+0x30e/0xa40 [20114.089638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20114.089638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20114.089638][ T7704] netlink_rcv_skb+0x130/0x360 [20114.089638][ T7704] netlink_unicast+0x449/0x710 [20114.089638][ T7704] netlink_sendmsg+0x723/0xbe0 [20114.089638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20114.089638][ T7704] ___sys_sendmsg+0xee/0x170 [20114.089638][ T7704] __sys_sendmsg+0xcd/0x170 [20114.089638][ T7704] do_syscall_64+0xc6/0x1e0 [20114.089638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20114.089638][ T7704] [20114.091907][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20114.091907][ T7704] netdev_get_by_index+0x5e/0x80 [20114.091907][ T7704] fib6_nh_init+0x3d8/0x15b0 [20114.091907][ T7704] ip6_route_info_create+0xf18/0x17d0 [20114.091907][ T7704] ip6_route_add+0x1c/0x140 [20114.091907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20114.091907][ T7704] addrconf_add_dev+0xe2/0x170 [20114.091907][ T7704] inet6_addr_add+0x12f/0xa40 [20114.091907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20114.091907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20114.091907][ T7704] netlink_rcv_skb+0x130/0x360 [20114.091907][ T7704] netlink_unicast+0x449/0x710 [20114.091907][ T7704] netlink_sendmsg+0x723/0xbe0 [20114.091907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20114.091907][ T7704] ___sys_sendmsg+0xee/0x170 [20114.091907][ T7704] __sys_sendmsg+0xcd/0x170 [20114.091907][ T7704] do_syscall_64+0xc6/0x1e0 [20114.091907][ T7704] [20114.094130][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20114.094130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20114.094130][ T7704] ipv6_find_idev+0x102/0x170 [20114.094130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20114.094130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20114.094130][ T7704] netlink_rcv_skb+0x130/0x360 [20114.094130][ T7704] netlink_unicast+0x449/0x710 [20114.094130][ T7704] netlink_sendmsg+0x723/0xbe0 [20114.094130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20114.094130][ T7704] ___sys_sendmsg+0xee/0x170 [20114.094130][ T7704] __sys_sendmsg+0xcd/0x170 [20114.094130][ T7704] do_syscall_64+0xc6/0x1e0 [20114.094130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20114.094130][ T7704] [20114.095873][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20114.095873][ T7704] neigh_parms_alloc+0x1e5/0x510 [20114.095873][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20114.095873][ T7704] ipv6_find_idev+0x102/0x170 [20114.095873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20114.095873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20114.095873][ T7704] netlink_rcv_skb+0x130/0x360 [20114.095873][ T7704] netlink_unicast+0x449/0x710 [20114.095873][ T7704] netlink_sendmsg+0x723/0xbe0 [20114.095873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20114.095873][ T7704] ___sys_sendmsg+0xee/0x170 [20114.095873][ T7704] __sys_sendmsg+0xcd/0x170 [20114.095873][ T7704] do_syscall_64+0xc6/0x1e0 [20114.095873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20114.095873][ T7704] [20124.334944][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20124.335434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20124.335434][ T7704] netdev_get_by_index+0x5e/0x80 [20124.335434][ T7704] fib6_nh_init+0x3d8/0x15b0 [20124.335434][ T7704] ip6_route_info_create+0xf18/0x17d0 [20124.335434][ T7704] ip6_route_add+0x1c/0x140 [20124.335434][ T7704] addrconf_prefix_route+0x2a6/0x430 [20124.335434][ T7704] inet6_addr_add+0x4f8/0xa40 [20124.335434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20124.335434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20124.335434][ T7704] netlink_rcv_skb+0x130/0x360 [20124.335434][ T7704] netlink_unicast+0x449/0x710 [20124.335434][ T7704] netlink_sendmsg+0x723/0xbe0 [20124.335434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20124.335434][ T7704] ___sys_sendmsg+0xee/0x170 [20124.335434][ T7704] __sys_sendmsg+0xcd/0x170 [20124.335434][ T7704] do_syscall_64+0xc6/0x1e0 [20124.335434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20124.335434][ T7704] [20124.337797][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20124.337797][ T7704] netdev_get_by_index+0x5e/0x80 [20124.337797][ T7704] fib6_nh_init+0x3d8/0x15b0 [20124.337797][ T7704] ip6_route_info_create+0xf18/0x17d0 [20124.337797][ T7704] addrconf_f6i_alloc+0x315/0x560 [20124.337797][ T7704] ipv6_add_addr+0x411/0x2000 [20124.337797][ T7704] inet6_addr_add+0x30e/0xa40 [20124.337797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20124.337797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20124.337797][ T7704] netlink_rcv_skb+0x130/0x360 [20124.337797][ T7704] netlink_unicast+0x449/0x710 [20124.337797][ T7704] netlink_sendmsg+0x723/0xbe0 [20124.337797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20124.337797][ T7704] ___sys_sendmsg+0xee/0x170 [20124.337797][ T7704] __sys_sendmsg+0xcd/0x170 [20124.337797][ T7704] do_syscall_64+0xc6/0x1e0 [20124.337797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20124.337797][ T7704] [20124.340006][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20124.340006][ T7704] netdev_get_by_index+0x5e/0x80 [20124.340006][ T7704] fib6_nh_init+0x3d8/0x15b0 [20124.340006][ T7704] ip6_route_info_create+0xf18/0x17d0 [20124.340006][ T7704] ip6_route_add+0x1c/0x140 [20124.340006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20124.340006][ T7704] addrconf_add_dev+0xe2/0x170 [20124.340006][ T7704] inet6_addr_add+0x12f/0xa40 [20124.340006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20124.340006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20124.340006][ T7704] netlink_rcv_skb+0x130/0x360 [20124.340006][ T7704] netlink_unicast+0x449/0x710 [20124.340006][ T7704] netlink_sendmsg+0x723/0xbe0 [20124.340006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20124.340006][ T7704] ___sys_sendmsg+0xee/0x170 [20124.340006][ T7704] __sys_sendmsg+0xcd/0x170 [20124.340006][ T7704] do_syscall_64+0xc6/0x1e0 [20124.340006][ T7704] [20124.342208][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20124.342208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20124.342208][ T7704] ipv6_find_idev+0x102/0x170 [20124.342208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20124.342208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20124.342208][ T7704] netlink_rcv_skb+0x130/0x360 [20124.342208][ T7704] netlink_unicast+0x449/0x710 [20124.342208][ T7704] netlink_sendmsg+0x723/0xbe0 [20124.342208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20124.342208][ T7704] ___sys_sendmsg+0xee/0x170 [20124.342208][ T7704] __sys_sendmsg+0xcd/0x170 [20124.342208][ T7704] do_syscall_64+0xc6/0x1e0 [20124.342208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20124.342208][ T7704] [20124.343934][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20124.343934][ T7704] neigh_parms_alloc+0x1e5/0x510 [20124.343934][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20124.343934][ T7704] ipv6_find_idev+0x102/0x170 [20124.343934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20124.343934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20124.343934][ T7704] netlink_rcv_skb+0x130/0x360 [20124.343934][ T7704] netlink_unicast+0x449/0x710 [20124.343934][ T7704] netlink_sendmsg+0x723/0xbe0 [20124.343934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20124.343934][ T7704] ___sys_sendmsg+0xee/0x170 [20124.343934][ T7704] __sys_sendmsg+0xcd/0x170 [20124.343934][ T7704] do_syscall_64+0xc6/0x1e0 [20124.343934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20124.343934][ T7704] [20134.526936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20134.527412][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20134.527412][ T7704] netdev_get_by_index+0x5e/0x80 [20134.527412][ T7704] fib6_nh_init+0x3d8/0x15b0 [20134.527412][ T7704] ip6_route_info_create+0xf18/0x17d0 [20134.527412][ T7704] ip6_route_add+0x1c/0x140 [20134.527412][ T7704] addrconf_prefix_route+0x2a6/0x430 [20134.527412][ T7704] inet6_addr_add+0x4f8/0xa40 [20134.527412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20134.527412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20134.527412][ T7704] netlink_rcv_skb+0x130/0x360 [20134.527412][ T7704] netlink_unicast+0x449/0x710 [20134.527412][ T7704] netlink_sendmsg+0x723/0xbe0 [20134.527412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20134.527412][ T7704] ___sys_sendmsg+0xee/0x170 [20134.527412][ T7704] __sys_sendmsg+0xcd/0x170 [20134.527412][ T7704] do_syscall_64+0xc6/0x1e0 [20134.527412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20134.527412][ T7704] [20134.529654][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20134.529654][ T7704] netdev_get_by_index+0x5e/0x80 [20134.529654][ T7704] fib6_nh_init+0x3d8/0x15b0 [20134.529654][ T7704] ip6_route_info_create+0xf18/0x17d0 [20134.529654][ T7704] addrconf_f6i_alloc+0x315/0x560 [20134.529654][ T7704] ipv6_add_addr+0x411/0x2000 [20134.529654][ T7704] inet6_addr_add+0x30e/0xa40 [20134.529654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20134.529654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20134.529654][ T7704] netlink_rcv_skb+0x130/0x360 [20134.529654][ T7704] netlink_unicast+0x449/0x710 [20134.529654][ T7704] netlink_sendmsg+0x723/0xbe0 [20134.529654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20134.529654][ T7704] ___sys_sendmsg+0xee/0x170 [20134.529654][ T7704] __sys_sendmsg+0xcd/0x170 [20134.529654][ T7704] do_syscall_64+0xc6/0x1e0 [20134.529654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20134.529654][ T7704] [20134.531875][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20134.531875][ T7704] netdev_get_by_index+0x5e/0x80 [20134.531875][ T7704] fib6_nh_init+0x3d8/0x15b0 [20134.531875][ T7704] ip6_route_info_create+0xf18/0x17d0 [20134.531875][ T7704] ip6_route_add+0x1c/0x140 [20134.531875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20134.531875][ T7704] addrconf_add_dev+0xe2/0x170 [20134.531875][ T7704] inet6_addr_add+0x12f/0xa40 [20134.531875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20134.531875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20134.531875][ T7704] netlink_rcv_skb+0x130/0x360 [20134.531875][ T7704] netlink_unicast+0x449/0x710 [20134.531875][ T7704] netlink_sendmsg+0x723/0xbe0 [20134.531875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20134.531875][ T7704] ___sys_sendmsg+0xee/0x170 [20134.531875][ T7704] __sys_sendmsg+0xcd/0x170 [20134.531875][ T7704] do_syscall_64+0xc6/0x1e0 [20134.531875][ T7704] [20134.534060][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20134.534060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20134.534060][ T7704] ipv6_find_idev+0x102/0x170 [20134.534060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20134.534060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20134.534060][ T7704] netlink_rcv_skb+0x130/0x360 [20134.534060][ T7704] netlink_unicast+0x449/0x710 [20134.534060][ T7704] netlink_sendmsg+0x723/0xbe0 [20134.534060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20134.534060][ T7704] ___sys_sendmsg+0xee/0x170 [20134.534060][ T7704] __sys_sendmsg+0xcd/0x170 [20134.534060][ T7704] do_syscall_64+0xc6/0x1e0 [20134.534060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20134.534060][ T7704] [20134.535768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20134.535768][ T7704] neigh_parms_alloc+0x1e5/0x510 [20134.535768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20134.535768][ T7704] ipv6_find_idev+0x102/0x170 [20134.535768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20134.535768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20134.535768][ T7704] netlink_rcv_skb+0x130/0x360 [20134.535768][ T7704] netlink_unicast+0x449/0x710 [20134.535768][ T7704] netlink_sendmsg+0x723/0xbe0 [20134.535768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20134.535768][ T7704] ___sys_sendmsg+0xee/0x170 [20134.535768][ T7704] __sys_sendmsg+0xcd/0x170 [20134.535768][ T7704] do_syscall_64+0xc6/0x1e0 [20134.535768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20134.535768][ T7704] [20144.774971][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20144.775449][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20144.775449][ T7704] netdev_get_by_index+0x5e/0x80 [20144.775449][ T7704] fib6_nh_init+0x3d8/0x15b0 [20144.775449][ T7704] ip6_route_info_create+0xf18/0x17d0 [20144.775449][ T7704] ip6_route_add+0x1c/0x140 [20144.775449][ T7704] addrconf_prefix_route+0x2a6/0x430 [20144.775449][ T7704] inet6_addr_add+0x4f8/0xa40 [20144.775449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20144.775449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20144.775449][ T7704] netlink_rcv_skb+0x130/0x360 [20144.775449][ T7704] netlink_unicast+0x449/0x710 [20144.775449][ T7704] netlink_sendmsg+0x723/0xbe0 [20144.775449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20144.775449][ T7704] ___sys_sendmsg+0xee/0x170 [20144.775449][ T7704] __sys_sendmsg+0xcd/0x170 [20144.775449][ T7704] do_syscall_64+0xc6/0x1e0 [20144.775449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20144.775449][ T7704] [20144.777693][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20144.777693][ T7704] netdev_get_by_index+0x5e/0x80 [20144.777693][ T7704] fib6_nh_init+0x3d8/0x15b0 [20144.777693][ T7704] ip6_route_info_create+0xf18/0x17d0 [20144.777693][ T7704] addrconf_f6i_alloc+0x315/0x560 [20144.777693][ T7704] ipv6_add_addr+0x411/0x2000 [20144.777693][ T7704] inet6_addr_add+0x30e/0xa40 [20144.777693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20144.777693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20144.777693][ T7704] netlink_rcv_skb+0x130/0x360 [20144.777693][ T7704] netlink_unicast+0x449/0x710 [20144.777693][ T7704] netlink_sendmsg+0x723/0xbe0 [20144.777693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20144.777693][ T7704] ___sys_sendmsg+0xee/0x170 [20144.777693][ T7704] __sys_sendmsg+0xcd/0x170 [20144.777693][ T7704] do_syscall_64+0xc6/0x1e0 [20144.777693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20144.777693][ T7704] [20144.779933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20144.779933][ T7704] netdev_get_by_index+0x5e/0x80 [20144.779933][ T7704] fib6_nh_init+0x3d8/0x15b0 [20144.779933][ T7704] ip6_route_info_create+0xf18/0x17d0 [20144.779933][ T7704] ip6_route_add+0x1c/0x140 [20144.779933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20144.779933][ T7704] addrconf_add_dev+0xe2/0x170 [20144.779933][ T7704] inet6_addr_add+0x12f/0xa40 [20144.779933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20144.779933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20144.779933][ T7704] netlink_rcv_skb+0x130/0x360 [20144.779933][ T7704] netlink_unicast+0x449/0x710 [20144.779933][ T7704] netlink_sendmsg+0x723/0xbe0 [20144.779933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20144.779933][ T7704] ___sys_sendmsg+0xee/0x170 [20144.779933][ T7704] __sys_sendmsg+0xcd/0x170 [20144.779933][ T7704] do_syscall_64+0xc6/0x1e0 [20144.779933][ T7704] [20144.783018][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20144.783018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20144.783018][ T7704] ipv6_find_idev+0x102/0x170 [20144.783018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20144.783018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20144.783018][ T7704] netlink_rcv_skb+0x130/0x360 [20144.783018][ T7704] netlink_unicast+0x449/0x710 [20144.783018][ T7704] netlink_sendmsg+0x723/0xbe0 [20144.783018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20144.783018][ T7704] ___sys_sendmsg+0xee/0x170 [20144.783018][ T7704] __sys_sendmsg+0xcd/0x170 [20144.783018][ T7704] do_syscall_64+0xc6/0x1e0 [20144.783018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20144.783018][ T7704] [20144.784719][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20144.784719][ T7704] neigh_parms_alloc+0x1e5/0x510 [20144.784719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20144.784719][ T7704] ipv6_find_idev+0x102/0x170 [20144.784719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20144.784719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20144.784719][ T7704] netlink_rcv_skb+0x130/0x360 [20144.784719][ T7704] netlink_unicast+0x449/0x710 [20144.784719][ T7704] netlink_sendmsg+0x723/0xbe0 [20144.784719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20144.784719][ T7704] ___sys_sendmsg+0xee/0x170 [20144.784719][ T7704] __sys_sendmsg+0xcd/0x170 [20144.784719][ T7704] do_syscall_64+0xc6/0x1e0 [20144.784719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20144.784719][ T7704] [20155.022888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20155.023419][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20155.023419][ T7704] netdev_get_by_index+0x5e/0x80 [20155.023419][ T7704] fib6_nh_init+0x3d8/0x15b0 [20155.023419][ T7704] ip6_route_info_create+0xf18/0x17d0 [20155.023419][ T7704] ip6_route_add+0x1c/0x140 [20155.023419][ T7704] addrconf_prefix_route+0x2a6/0x430 [20155.023419][ T7704] inet6_addr_add+0x4f8/0xa40 [20155.023419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20155.023419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20155.023419][ T7704] netlink_rcv_skb+0x130/0x360 [20155.023419][ T7704] netlink_unicast+0x449/0x710 [20155.023419][ T7704] netlink_sendmsg+0x723/0xbe0 [20155.023419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20155.023419][ T7704] ___sys_sendmsg+0xee/0x170 [20155.023419][ T7704] __sys_sendmsg+0xcd/0x170 [20155.023419][ T7704] do_syscall_64+0xc6/0x1e0 [20155.023419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20155.023419][ T7704] [20155.025737][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20155.025737][ T7704] netdev_get_by_index+0x5e/0x80 [20155.025737][ T7704] fib6_nh_init+0x3d8/0x15b0 [20155.025737][ T7704] ip6_route_info_create+0xf18/0x17d0 [20155.025737][ T7704] addrconf_f6i_alloc+0x315/0x560 [20155.025737][ T7704] ipv6_add_addr+0x411/0x2000 [20155.025737][ T7704] inet6_addr_add+0x30e/0xa40 [20155.025737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20155.025737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20155.025737][ T7704] netlink_rcv_skb+0x130/0x360 [20155.025737][ T7704] netlink_unicast+0x449/0x710 [20155.025737][ T7704] netlink_sendmsg+0x723/0xbe0 [20155.025737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20155.025737][ T7704] ___sys_sendmsg+0xee/0x170 [20155.025737][ T7704] __sys_sendmsg+0xcd/0x170 [20155.025737][ T7704] do_syscall_64+0xc6/0x1e0 [20155.025737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20155.025737][ T7704] [20155.028056][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20155.028056][ T7704] netdev_get_by_index+0x5e/0x80 [20155.028056][ T7704] fib6_nh_init+0x3d8/0x15b0 [20155.028056][ T7704] ip6_route_info_create+0xf18/0x17d0 [20155.028056][ T7704] ip6_route_add+0x1c/0x140 [20155.028056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20155.028056][ T7704] addrconf_add_dev+0xe2/0x170 [20155.028056][ T7704] inet6_addr_add+0x12f/0xa40 [20155.028056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20155.028056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20155.028056][ T7704] netlink_rcv_skb+0x130/0x360 [20155.028056][ T7704] netlink_unicast+0x449/0x710 [20155.028056][ T7704] netlink_sendmsg+0x723/0xbe0 [20155.028056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20155.028056][ T7704] ___sys_sendmsg+0xee/0x170 [20155.028056][ T7704] __sys_sendmsg+0xcd/0x170 [20155.028056][ T7704] do_syscall_64+0xc6/0x1e0 [20155.028056][ T7704] [20155.030320][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20155.030320][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20155.030320][ T7704] ipv6_find_idev+0x102/0x170 [20155.030320][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20155.030320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20155.030320][ T7704] netlink_rcv_skb+0x130/0x360 [20155.030320][ T7704] netlink_unicast+0x449/0x710 [20155.030320][ T7704] netlink_sendmsg+0x723/0xbe0 [20155.030320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20155.030320][ T7704] ___sys_sendmsg+0xee/0x170 [20155.030320][ T7704] __sys_sendmsg+0xcd/0x170 [20155.030320][ T7704] do_syscall_64+0xc6/0x1e0 [20155.030320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20155.030320][ T7704] [20155.032094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20155.032094][ T7704] neigh_parms_alloc+0x1e5/0x510 [20155.032094][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20155.032094][ T7704] ipv6_find_idev+0x102/0x170 [20155.032094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20155.032094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20155.032094][ T7704] netlink_rcv_skb+0x130/0x360 [20155.032094][ T7704] netlink_unicast+0x449/0x710 [20155.032094][ T7704] netlink_sendmsg+0x723/0xbe0 [20155.032094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20155.032094][ T7704] ___sys_sendmsg+0xee/0x170 [20155.032094][ T7704] __sys_sendmsg+0xcd/0x170 [20155.032094][ T7704] do_syscall_64+0xc6/0x1e0 [20155.032094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20155.032094][ T7704] [20165.270976][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20165.271473][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20165.271473][ T7704] netdev_get_by_index+0x5e/0x80 [20165.271473][ T7704] fib6_nh_init+0x3d8/0x15b0 [20165.271473][ T7704] ip6_route_info_create+0xf18/0x17d0 [20165.271473][ T7704] ip6_route_add+0x1c/0x140 [20165.271473][ T7704] addrconf_prefix_route+0x2a6/0x430 [20165.271473][ T7704] inet6_addr_add+0x4f8/0xa40 [20165.271473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20165.271473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20165.271473][ T7704] netlink_rcv_skb+0x130/0x360 [20165.271473][ T7704] netlink_unicast+0x449/0x710 [20165.271473][ T7704] netlink_sendmsg+0x723/0xbe0 [20165.271473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20165.271473][ T7704] ___sys_sendmsg+0xee/0x170 [20165.271473][ T7704] __sys_sendmsg+0xcd/0x170 [20165.271473][ T7704] do_syscall_64+0xc6/0x1e0 [20165.271473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20165.271473][ T7704] [20165.273720][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20165.273720][ T7704] netdev_get_by_index+0x5e/0x80 [20165.273720][ T7704] fib6_nh_init+0x3d8/0x15b0 [20165.273720][ T7704] ip6_route_info_create+0xf18/0x17d0 [20165.273720][ T7704] addrconf_f6i_alloc+0x315/0x560 [20165.273720][ T7704] ipv6_add_addr+0x411/0x2000 [20165.273720][ T7704] inet6_addr_add+0x30e/0xa40 [20165.273720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20165.273720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20165.273720][ T7704] netlink_rcv_skb+0x130/0x360 [20165.273720][ T7704] netlink_unicast+0x449/0x710 [20165.273720][ T7704] netlink_sendmsg+0x723/0xbe0 [20165.273720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20165.273720][ T7704] ___sys_sendmsg+0xee/0x170 [20165.273720][ T7704] __sys_sendmsg+0xcd/0x170 [20165.273720][ T7704] do_syscall_64+0xc6/0x1e0 [20165.273720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20165.273720][ T7704] [20165.275936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20165.275936][ T7704] netdev_get_by_index+0x5e/0x80 [20165.275936][ T7704] fib6_nh_init+0x3d8/0x15b0 [20165.275936][ T7704] ip6_route_info_create+0xf18/0x17d0 [20165.275936][ T7704] ip6_route_add+0x1c/0x140 [20165.275936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20165.275936][ T7704] addrconf_add_dev+0xe2/0x170 [20165.275936][ T7704] inet6_addr_add+0x12f/0xa40 [20165.275936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20165.275936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20165.275936][ T7704] netlink_rcv_skb+0x130/0x360 [20165.275936][ T7704] netlink_unicast+0x449/0x710 [20165.275936][ T7704] netlink_sendmsg+0x723/0xbe0 [20165.275936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20165.275936][ T7704] ___sys_sendmsg+0xee/0x170 [20165.275936][ T7704] __sys_sendmsg+0xcd/0x170 [20165.275936][ T7704] do_syscall_64+0xc6/0x1e0 [20165.275936][ T7704] [20165.278136][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20165.278136][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20165.278136][ T7704] ipv6_find_idev+0x102/0x170 [20165.278136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20165.278136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20165.278136][ T7704] netlink_rcv_skb+0x130/0x360 [20165.278136][ T7704] netlink_unicast+0x449/0x710 [20165.278136][ T7704] netlink_sendmsg+0x723/0xbe0 [20165.278136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20165.278136][ T7704] ___sys_sendmsg+0xee/0x170 [20165.278136][ T7704] __sys_sendmsg+0xcd/0x170 [20165.278136][ T7704] do_syscall_64+0xc6/0x1e0 [20165.278136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20165.278136][ T7704] [20165.279846][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20165.279846][ T7704] neigh_parms_alloc+0x1e5/0x510 [20165.279846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20165.279846][ T7704] ipv6_find_idev+0x102/0x170 [20165.279846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20165.279846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20165.279846][ T7704] netlink_rcv_skb+0x130/0x360 [20165.279846][ T7704] netlink_unicast+0x449/0x710 [20165.279846][ T7704] netlink_sendmsg+0x723/0xbe0 [20165.279846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20165.279846][ T7704] ___sys_sendmsg+0xee/0x170 [20165.279846][ T7704] __sys_sendmsg+0xcd/0x170 [20165.279846][ T7704] do_syscall_64+0xc6/0x1e0 [20165.279846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20165.279846][ T7704] [20175.518938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20175.519418][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20175.519418][ T7704] netdev_get_by_index+0x5e/0x80 [20175.519418][ T7704] fib6_nh_init+0x3d8/0x15b0 [20175.519418][ T7704] ip6_route_info_create+0xf18/0x17d0 [20175.519418][ T7704] ip6_route_add+0x1c/0x140 [20175.519418][ T7704] addrconf_prefix_route+0x2a6/0x430 [20175.519418][ T7704] inet6_addr_add+0x4f8/0xa40 [20175.519418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20175.519418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20175.519418][ T7704] netlink_rcv_skb+0x130/0x360 [20175.519418][ T7704] netlink_unicast+0x449/0x710 [20175.519418][ T7704] netlink_sendmsg+0x723/0xbe0 [20175.519418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20175.519418][ T7704] ___sys_sendmsg+0xee/0x170 [20175.519418][ T7704] __sys_sendmsg+0xcd/0x170 [20175.519418][ T7704] do_syscall_64+0xc6/0x1e0 [20175.519418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20175.519418][ T7704] [20175.521668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20175.521668][ T7704] netdev_get_by_index+0x5e/0x80 [20175.521668][ T7704] fib6_nh_init+0x3d8/0x15b0 [20175.521668][ T7704] ip6_route_info_create+0xf18/0x17d0 [20175.521668][ T7704] addrconf_f6i_alloc+0x315/0x560 [20175.521668][ T7704] ipv6_add_addr+0x411/0x2000 [20175.521668][ T7704] inet6_addr_add+0x30e/0xa40 [20175.521668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20175.521668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20175.521668][ T7704] netlink_rcv_skb+0x130/0x360 [20175.521668][ T7704] netlink_unicast+0x449/0x710 [20175.521668][ T7704] netlink_sendmsg+0x723/0xbe0 [20175.521668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20175.521668][ T7704] ___sys_sendmsg+0xee/0x170 [20175.521668][ T7704] __sys_sendmsg+0xcd/0x170 [20175.521668][ T7704] do_syscall_64+0xc6/0x1e0 [20175.521668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20175.521668][ T7704] [20175.523892][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20175.523892][ T7704] netdev_get_by_index+0x5e/0x80 [20175.523892][ T7704] fib6_nh_init+0x3d8/0x15b0 [20175.523892][ T7704] ip6_route_info_create+0xf18/0x17d0 [20175.523892][ T7704] ip6_route_add+0x1c/0x140 [20175.523892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20175.523892][ T7704] addrconf_add_dev+0xe2/0x170 [20175.523892][ T7704] inet6_addr_add+0x12f/0xa40 [20175.523892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20175.523892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20175.523892][ T7704] netlink_rcv_skb+0x130/0x360 [20175.523892][ T7704] netlink_unicast+0x449/0x710 [20175.523892][ T7704] netlink_sendmsg+0x723/0xbe0 [20175.523892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20175.523892][ T7704] ___sys_sendmsg+0xee/0x170 [20175.523892][ T7704] __sys_sendmsg+0xcd/0x170 [20175.523892][ T7704] do_syscall_64+0xc6/0x1e0 [20175.523892][ T7704] [20175.526085][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20175.526085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20175.526085][ T7704] ipv6_find_idev+0x102/0x170 [20175.526085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20175.526085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20175.526085][ T7704] netlink_rcv_skb+0x130/0x360 [20175.526085][ T7704] netlink_unicast+0x449/0x710 [20175.526085][ T7704] netlink_sendmsg+0x723/0xbe0 [20175.526085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20175.526085][ T7704] ___sys_sendmsg+0xee/0x170 [20175.526085][ T7704] __sys_sendmsg+0xcd/0x170 [20175.526085][ T7704] do_syscall_64+0xc6/0x1e0 [20175.526085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20175.526085][ T7704] [20175.527809][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20175.527809][ T7704] neigh_parms_alloc+0x1e5/0x510 [20175.527809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20175.527809][ T7704] ipv6_find_idev+0x102/0x170 [20175.527809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20175.527809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20175.527809][ T7704] netlink_rcv_skb+0x130/0x360 [20175.527809][ T7704] netlink_unicast+0x449/0x710 [20175.527809][ T7704] netlink_sendmsg+0x723/0xbe0 [20175.527809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20175.527809][ T7704] ___sys_sendmsg+0xee/0x170 [20175.527809][ T7704] __sys_sendmsg+0xcd/0x170 [20175.527809][ T7704] do_syscall_64+0xc6/0x1e0 [20175.527809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20175.527809][ T7704] [20185.766870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20185.767358][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20185.767358][ T7704] netdev_get_by_index+0x5e/0x80 [20185.767358][ T7704] fib6_nh_init+0x3d8/0x15b0 [20185.767358][ T7704] ip6_route_info_create+0xf18/0x17d0 [20185.767358][ T7704] ip6_route_add+0x1c/0x140 [20185.767358][ T7704] addrconf_prefix_route+0x2a6/0x430 [20185.767358][ T7704] inet6_addr_add+0x4f8/0xa40 [20185.767358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20185.767358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20185.767358][ T7704] netlink_rcv_skb+0x130/0x360 [20185.767358][ T7704] netlink_unicast+0x449/0x710 [20185.767358][ T7704] netlink_sendmsg+0x723/0xbe0 [20185.767358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20185.767358][ T7704] ___sys_sendmsg+0xee/0x170 [20185.767358][ T7704] __sys_sendmsg+0xcd/0x170 [20185.767358][ T7704] do_syscall_64+0xc6/0x1e0 [20185.767358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20185.767358][ T7704] [20185.769616][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20185.769616][ T7704] netdev_get_by_index+0x5e/0x80 [20185.769616][ T7704] fib6_nh_init+0x3d8/0x15b0 [20185.769616][ T7704] ip6_route_info_create+0xf18/0x17d0 [20185.769616][ T7704] addrconf_f6i_alloc+0x315/0x560 [20185.769616][ T7704] ipv6_add_addr+0x411/0x2000 [20185.769616][ T7704] inet6_addr_add+0x30e/0xa40 [20185.769616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20185.769616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20185.769616][ T7704] netlink_rcv_skb+0x130/0x360 [20185.769616][ T7704] netlink_unicast+0x449/0x710 [20185.769616][ T7704] netlink_sendmsg+0x723/0xbe0 [20185.769616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20185.769616][ T7704] ___sys_sendmsg+0xee/0x170 [20185.769616][ T7704] __sys_sendmsg+0xcd/0x170 [20185.769616][ T7704] do_syscall_64+0xc6/0x1e0 [20185.769616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20185.769616][ T7704] [20185.771839][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20185.771839][ T7704] netdev_get_by_index+0x5e/0x80 [20185.771839][ T7704] fib6_nh_init+0x3d8/0x15b0 [20185.771839][ T7704] ip6_route_info_create+0xf18/0x17d0 [20185.771839][ T7704] ip6_route_add+0x1c/0x140 [20185.771839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20185.771839][ T7704] addrconf_add_dev+0xe2/0x170 [20185.771839][ T7704] inet6_addr_add+0x12f/0xa40 [20185.771839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20185.771839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20185.771839][ T7704] netlink_rcv_skb+0x130/0x360 [20185.771839][ T7704] netlink_unicast+0x449/0x710 [20185.771839][ T7704] netlink_sendmsg+0x723/0xbe0 [20185.771839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20185.771839][ T7704] ___sys_sendmsg+0xee/0x170 [20185.771839][ T7704] __sys_sendmsg+0xcd/0x170 [20185.771839][ T7704] do_syscall_64+0xc6/0x1e0 [20185.771839][ T7704] [20185.774021][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20185.774021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20185.774021][ T7704] ipv6_find_idev+0x102/0x170 [20185.774021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20185.774021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20185.774021][ T7704] netlink_rcv_skb+0x130/0x360 [20185.774021][ T7704] netlink_unicast+0x449/0x710 [20185.774021][ T7704] netlink_sendmsg+0x723/0xbe0 [20185.774021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20185.774021][ T7704] ___sys_sendmsg+0xee/0x170 [20185.774021][ T7704] __sys_sendmsg+0xcd/0x170 [20185.774021][ T7704] do_syscall_64+0xc6/0x1e0 [20185.774021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20185.774021][ T7704] [20185.775726][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20185.775726][ T7704] neigh_parms_alloc+0x1e5/0x510 [20185.775726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20185.775726][ T7704] ipv6_find_idev+0x102/0x170 [20185.775726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20185.775726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20185.775726][ T7704] netlink_rcv_skb+0x130/0x360 [20185.775726][ T7704] netlink_unicast+0x449/0x710 [20185.775726][ T7704] netlink_sendmsg+0x723/0xbe0 [20185.775726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20185.775726][ T7704] ___sys_sendmsg+0xee/0x170 [20185.775726][ T7704] __sys_sendmsg+0xcd/0x170 [20185.775726][ T7704] do_syscall_64+0xc6/0x1e0 [20185.775726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20185.775726][ T7704] [20196.014937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20196.015434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20196.015434][ T7704] netdev_get_by_index+0x5e/0x80 [20196.015434][ T7704] fib6_nh_init+0x3d8/0x15b0 [20196.015434][ T7704] ip6_route_info_create+0xf18/0x17d0 [20196.015434][ T7704] ip6_route_add+0x1c/0x140 [20196.015434][ T7704] addrconf_prefix_route+0x2a6/0x430 [20196.015434][ T7704] inet6_addr_add+0x4f8/0xa40 [20196.015434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20196.015434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20196.015434][ T7704] netlink_rcv_skb+0x130/0x360 [20196.015434][ T7704] netlink_unicast+0x449/0x710 [20196.015434][ T7704] netlink_sendmsg+0x723/0xbe0 [20196.015434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20196.015434][ T7704] ___sys_sendmsg+0xee/0x170 [20196.015434][ T7704] __sys_sendmsg+0xcd/0x170 [20196.015434][ T7704] do_syscall_64+0xc6/0x1e0 [20196.015434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20196.015434][ T7704] [20196.017687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20196.017687][ T7704] netdev_get_by_index+0x5e/0x80 [20196.017687][ T7704] fib6_nh_init+0x3d8/0x15b0 [20196.017687][ T7704] ip6_route_info_create+0xf18/0x17d0 [20196.017687][ T7704] addrconf_f6i_alloc+0x315/0x560 [20196.017687][ T7704] ipv6_add_addr+0x411/0x2000 [20196.017687][ T7704] inet6_addr_add+0x30e/0xa40 [20196.017687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20196.017687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20196.017687][ T7704] netlink_rcv_skb+0x130/0x360 [20196.017687][ T7704] netlink_unicast+0x449/0x710 [20196.017687][ T7704] netlink_sendmsg+0x723/0xbe0 [20196.017687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20196.017687][ T7704] ___sys_sendmsg+0xee/0x170 [20196.017687][ T7704] __sys_sendmsg+0xcd/0x170 [20196.017687][ T7704] do_syscall_64+0xc6/0x1e0 [20196.017687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20196.017687][ T7704] [20196.019908][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20196.019908][ T7704] netdev_get_by_index+0x5e/0x80 [20196.019908][ T7704] fib6_nh_init+0x3d8/0x15b0 [20196.019908][ T7704] ip6_route_info_create+0xf18/0x17d0 [20196.019908][ T7704] ip6_route_add+0x1c/0x140 [20196.019908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20196.019908][ T7704] addrconf_add_dev+0xe2/0x170 [20196.019908][ T7704] inet6_addr_add+0x12f/0xa40 [20196.019908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20196.019908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20196.019908][ T7704] netlink_rcv_skb+0x130/0x360 [20196.019908][ T7704] netlink_unicast+0x449/0x710 [20196.019908][ T7704] netlink_sendmsg+0x723/0xbe0 [20196.019908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20196.019908][ T7704] ___sys_sendmsg+0xee/0x170 [20196.019908][ T7704] __sys_sendmsg+0xcd/0x170 [20196.019908][ T7704] do_syscall_64+0xc6/0x1e0 [20196.019908][ T7704] [20196.022091][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20196.022091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20196.022091][ T7704] ipv6_find_idev+0x102/0x170 [20196.022091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20196.022091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20196.022091][ T7704] netlink_rcv_skb+0x130/0x360 [20196.022091][ T7704] netlink_unicast+0x449/0x710 [20196.022091][ T7704] netlink_sendmsg+0x723/0xbe0 [20196.022091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20196.022091][ T7704] ___sys_sendmsg+0xee/0x170 [20196.022091][ T7704] __sys_sendmsg+0xcd/0x170 [20196.022091][ T7704] do_syscall_64+0xc6/0x1e0 [20196.022091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20196.022091][ T7704] [20196.023799][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20196.023799][ T7704] neigh_parms_alloc+0x1e5/0x510 [20196.023799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20196.023799][ T7704] ipv6_find_idev+0x102/0x170 [20196.023799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20196.023799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20196.023799][ T7704] netlink_rcv_skb+0x130/0x360 [20196.023799][ T7704] netlink_unicast+0x449/0x710 [20196.023799][ T7704] netlink_sendmsg+0x723/0xbe0 [20196.023799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20196.023799][ T7704] ___sys_sendmsg+0xee/0x170 [20196.023799][ T7704] __sys_sendmsg+0xcd/0x170 [20196.023799][ T7704] do_syscall_64+0xc6/0x1e0 [20196.023799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20196.023799][ T7704] [20206.046950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20206.047435][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20206.047435][ T7704] netdev_get_by_index+0x5e/0x80 [20206.047435][ T7704] fib6_nh_init+0x3d8/0x15b0 [20206.047435][ T7704] ip6_route_info_create+0xf18/0x17d0 [20206.047435][ T7704] ip6_route_add+0x1c/0x140 [20206.047435][ T7704] addrconf_prefix_route+0x2a6/0x430 [20206.047435][ T7704] inet6_addr_add+0x4f8/0xa40 [20206.047435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20206.047435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20206.047435][ T7704] netlink_rcv_skb+0x130/0x360 [20206.047435][ T7704] netlink_unicast+0x449/0x710 [20206.047435][ T7704] netlink_sendmsg+0x723/0xbe0 [20206.047435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20206.047435][ T7704] ___sys_sendmsg+0xee/0x170 [20206.047435][ T7704] __sys_sendmsg+0xcd/0x170 [20206.047435][ T7704] do_syscall_64+0xc6/0x1e0 [20206.047435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20206.047435][ T7704] [20206.049666][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20206.049666][ T7704] netdev_get_by_index+0x5e/0x80 [20206.049666][ T7704] fib6_nh_init+0x3d8/0x15b0 [20206.049666][ T7704] ip6_route_info_create+0xf18/0x17d0 [20206.049666][ T7704] addrconf_f6i_alloc+0x315/0x560 [20206.049666][ T7704] ipv6_add_addr+0x411/0x2000 [20206.049666][ T7704] inet6_addr_add+0x30e/0xa40 [20206.049666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20206.049666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20206.049666][ T7704] netlink_rcv_skb+0x130/0x360 [20206.049666][ T7704] netlink_unicast+0x449/0x710 [20206.049666][ T7704] netlink_sendmsg+0x723/0xbe0 [20206.049666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20206.049666][ T7704] ___sys_sendmsg+0xee/0x170 [20206.049666][ T7704] __sys_sendmsg+0xcd/0x170 [20206.049666][ T7704] do_syscall_64+0xc6/0x1e0 [20206.049666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20206.049666][ T7704] [20206.052246][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20206.052246][ T7704] netdev_get_by_index+0x5e/0x80 [20206.052246][ T7704] fib6_nh_init+0x3d8/0x15b0 [20206.052246][ T7704] ip6_route_info_create+0xf18/0x17d0 [20206.052246][ T7704] ip6_route_add+0x1c/0x140 [20206.052246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20206.052246][ T7704] addrconf_add_dev+0xe2/0x170 [20206.052246][ T7704] inet6_addr_add+0x12f/0xa40 [20206.052246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20206.052246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20206.052246][ T7704] netlink_rcv_skb+0x130/0x360 [20206.052246][ T7704] netlink_unicast+0x449/0x710 [20206.052246][ T7704] netlink_sendmsg+0x723/0xbe0 [20206.052246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20206.052246][ T7704] ___sys_sendmsg+0xee/0x170 [20206.052246][ T7704] __sys_sendmsg+0xcd/0x170 [20206.052246][ T7704] do_syscall_64+0xc6/0x1e0 [20206.052246][ T7704] [20206.054475][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20206.054475][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20206.054475][ T7704] ipv6_find_idev+0x102/0x170 [20206.054475][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20206.054475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20206.054475][ T7704] netlink_rcv_skb+0x130/0x360 [20206.054475][ T7704] netlink_unicast+0x449/0x710 [20206.054475][ T7704] netlink_sendmsg+0x723/0xbe0 [20206.054475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20206.054475][ T7704] ___sys_sendmsg+0xee/0x170 [20206.054475][ T7704] __sys_sendmsg+0xcd/0x170 [20206.054475][ T7704] do_syscall_64+0xc6/0x1e0 [20206.054475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20206.054475][ T7704] [20206.056178][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20206.056178][ T7704] neigh_parms_alloc+0x1e5/0x510 [20206.056178][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20206.056178][ T7704] ipv6_find_idev+0x102/0x170 [20206.056178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20206.056178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20206.056178][ T7704] netlink_rcv_skb+0x130/0x360 [20206.056178][ T7704] netlink_unicast+0x449/0x710 [20206.056178][ T7704] netlink_sendmsg+0x723/0xbe0 [20206.056178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20206.056178][ T7704] ___sys_sendmsg+0xee/0x170 [20206.056178][ T7704] __sys_sendmsg+0xcd/0x170 [20206.056178][ T7704] do_syscall_64+0xc6/0x1e0 [20206.056178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20206.056178][ T7704] [20216.294916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20216.295394][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20216.295394][ T7704] netdev_get_by_index+0x5e/0x80 [20216.295394][ T7704] fib6_nh_init+0x3d8/0x15b0 [20216.295394][ T7704] ip6_route_info_create+0xf18/0x17d0 [20216.295394][ T7704] ip6_route_add+0x1c/0x140 [20216.295394][ T7704] addrconf_prefix_route+0x2a6/0x430 [20216.295394][ T7704] inet6_addr_add+0x4f8/0xa40 [20216.295394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20216.295394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20216.295394][ T7704] netlink_rcv_skb+0x130/0x360 [20216.295394][ T7704] netlink_unicast+0x449/0x710 [20216.295394][ T7704] netlink_sendmsg+0x723/0xbe0 [20216.295394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20216.295394][ T7704] ___sys_sendmsg+0xee/0x170 [20216.295394][ T7704] __sys_sendmsg+0xcd/0x170 [20216.295394][ T7704] do_syscall_64+0xc6/0x1e0 [20216.295394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20216.295394][ T7704] [20216.297660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20216.297660][ T7704] netdev_get_by_index+0x5e/0x80 [20216.297660][ T7704] fib6_nh_init+0x3d8/0x15b0 [20216.297660][ T7704] ip6_route_info_create+0xf18/0x17d0 [20216.297660][ T7704] addrconf_f6i_alloc+0x315/0x560 [20216.297660][ T7704] ipv6_add_addr+0x411/0x2000 [20216.297660][ T7704] inet6_addr_add+0x30e/0xa40 [20216.297660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20216.297660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20216.297660][ T7704] netlink_rcv_skb+0x130/0x360 [20216.297660][ T7704] netlink_unicast+0x449/0x710 [20216.297660][ T7704] netlink_sendmsg+0x723/0xbe0 [20216.297660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20216.297660][ T7704] ___sys_sendmsg+0xee/0x170 [20216.297660][ T7704] __sys_sendmsg+0xcd/0x170 [20216.297660][ T7704] do_syscall_64+0xc6/0x1e0 [20216.297660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20216.297660][ T7704] [20216.299878][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20216.299878][ T7704] netdev_get_by_index+0x5e/0x80 [20216.299878][ T7704] fib6_nh_init+0x3d8/0x15b0 [20216.299878][ T7704] ip6_route_info_create+0xf18/0x17d0 [20216.299878][ T7704] ip6_route_add+0x1c/0x140 [20216.299878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20216.299878][ T7704] addrconf_add_dev+0xe2/0x170 [20216.299878][ T7704] inet6_addr_add+0x12f/0xa40 [20216.299878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20216.299878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20216.299878][ T7704] netlink_rcv_skb+0x130/0x360 [20216.299878][ T7704] netlink_unicast+0x449/0x710 [20216.299878][ T7704] netlink_sendmsg+0x723/0xbe0 [20216.299878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20216.299878][ T7704] ___sys_sendmsg+0xee/0x170 [20216.299878][ T7704] __sys_sendmsg+0xcd/0x170 [20216.299878][ T7704] do_syscall_64+0xc6/0x1e0 [20216.299878][ T7704] [20216.302053][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20216.302053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20216.302053][ T7704] ipv6_find_idev+0x102/0x170 [20216.302053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20216.302053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20216.302053][ T7704] netlink_rcv_skb+0x130/0x360 [20216.302053][ T7704] netlink_unicast+0x449/0x710 [20216.302053][ T7704] netlink_sendmsg+0x723/0xbe0 [20216.302053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20216.302053][ T7704] ___sys_sendmsg+0xee/0x170 [20216.302053][ T7704] __sys_sendmsg+0xcd/0x170 [20216.302053][ T7704] do_syscall_64+0xc6/0x1e0 [20216.302053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20216.302053][ T7704] [20216.303806][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20216.303806][ T7704] neigh_parms_alloc+0x1e5/0x510 [20216.303806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20216.303806][ T7704] ipv6_find_idev+0x102/0x170 [20216.303806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20216.303806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20216.303806][ T7704] netlink_rcv_skb+0x130/0x360 [20216.303806][ T7704] netlink_unicast+0x449/0x710 [20216.303806][ T7704] netlink_sendmsg+0x723/0xbe0 [20216.303806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20216.303806][ T7704] ___sys_sendmsg+0xee/0x170 [20216.303806][ T7704] __sys_sendmsg+0xcd/0x170 [20216.303806][ T7704] do_syscall_64+0xc6/0x1e0 [20216.303806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20216.303806][ T7704] [20226.543069][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20226.543595][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20226.543595][ T7704] netdev_get_by_index+0x5e/0x80 [20226.543595][ T7704] fib6_nh_init+0x3d8/0x15b0 [20226.543595][ T7704] ip6_route_info_create+0xf18/0x17d0 [20226.543595][ T7704] ip6_route_add+0x1c/0x140 [20226.543595][ T7704] addrconf_prefix_route+0x2a6/0x430 [20226.543595][ T7704] inet6_addr_add+0x4f8/0xa40 [20226.543595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20226.543595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20226.543595][ T7704] netlink_rcv_skb+0x130/0x360 [20226.543595][ T7704] netlink_unicast+0x449/0x710 [20226.543595][ T7704] netlink_sendmsg+0x723/0xbe0 [20226.543595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20226.543595][ T7704] ___sys_sendmsg+0xee/0x170 [20226.543595][ T7704] __sys_sendmsg+0xcd/0x170 [20226.543595][ T7704] do_syscall_64+0xc6/0x1e0 [20226.543595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20226.543595][ T7704] [20226.545830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20226.545830][ T7704] netdev_get_by_index+0x5e/0x80 [20226.545830][ T7704] fib6_nh_init+0x3d8/0x15b0 [20226.545830][ T7704] ip6_route_info_create+0xf18/0x17d0 [20226.545830][ T7704] addrconf_f6i_alloc+0x315/0x560 [20226.545830][ T7704] ipv6_add_addr+0x411/0x2000 [20226.545830][ T7704] inet6_addr_add+0x30e/0xa40 [20226.545830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20226.545830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20226.545830][ T7704] netlink_rcv_skb+0x130/0x360 [20226.545830][ T7704] netlink_unicast+0x449/0x710 [20226.545830][ T7704] netlink_sendmsg+0x723/0xbe0 [20226.545830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20226.545830][ T7704] ___sys_sendmsg+0xee/0x170 [20226.545830][ T7704] __sys_sendmsg+0xcd/0x170 [20226.545830][ T7704] do_syscall_64+0xc6/0x1e0 [20226.545830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20226.545830][ T7704] [20226.548153][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20226.548153][ T7704] netdev_get_by_index+0x5e/0x80 [20226.548153][ T7704] fib6_nh_init+0x3d8/0x15b0 [20226.548153][ T7704] ip6_route_info_create+0xf18/0x17d0 [20226.548153][ T7704] ip6_route_add+0x1c/0x140 [20226.548153][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20226.548153][ T7704] addrconf_add_dev+0xe2/0x170 [20226.548153][ T7704] inet6_addr_add+0x12f/0xa40 [20226.548153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20226.548153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20226.548153][ T7704] netlink_rcv_skb+0x130/0x360 [20226.548153][ T7704] netlink_unicast+0x449/0x710 [20226.548153][ T7704] netlink_sendmsg+0x723/0xbe0 [20226.548153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20226.548153][ T7704] ___sys_sendmsg+0xee/0x170 [20226.548153][ T7704] __sys_sendmsg+0xcd/0x170 [20226.548153][ T7704] do_syscall_64+0xc6/0x1e0 [20226.548153][ T7704] [20226.550464][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20226.550464][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20226.550464][ T7704] ipv6_find_idev+0x102/0x170 [20226.550464][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20226.550464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20226.550464][ T7704] netlink_rcv_skb+0x130/0x360 [20226.550464][ T7704] netlink_unicast+0x449/0x710 [20226.550464][ T7704] netlink_sendmsg+0x723/0xbe0 [20226.550464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20226.550464][ T7704] ___sys_sendmsg+0xee/0x170 [20226.550464][ T7704] __sys_sendmsg+0xcd/0x170 [20226.550464][ T7704] do_syscall_64+0xc6/0x1e0 [20226.550464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20226.550464][ T7704] [20226.552218][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20226.552218][ T7704] neigh_parms_alloc+0x1e5/0x510 [20226.552218][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20226.552218][ T7704] ipv6_find_idev+0x102/0x170 [20226.552218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20226.552218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20226.552218][ T7704] netlink_rcv_skb+0x130/0x360 [20226.552218][ T7704] netlink_unicast+0x449/0x710 [20226.552218][ T7704] netlink_sendmsg+0x723/0xbe0 [20226.552218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20226.552218][ T7704] ___sys_sendmsg+0xee/0x170 [20226.552218][ T7704] __sys_sendmsg+0xcd/0x170 [20226.552218][ T7704] do_syscall_64+0xc6/0x1e0 [20226.552218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20226.552218][ T7704] [20236.791052][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20236.791569][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20236.791569][ T7704] netdev_get_by_index+0x5e/0x80 [20236.791569][ T7704] fib6_nh_init+0x3d8/0x15b0 [20236.791569][ T7704] ip6_route_info_create+0xf18/0x17d0 [20236.791569][ T7704] ip6_route_add+0x1c/0x140 [20236.791569][ T7704] addrconf_prefix_route+0x2a6/0x430 [20236.791569][ T7704] inet6_addr_add+0x4f8/0xa40 [20236.791569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20236.791569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20236.791569][ T7704] netlink_rcv_skb+0x130/0x360 [20236.791569][ T7704] netlink_unicast+0x449/0x710 [20236.791569][ T7704] netlink_sendmsg+0x723/0xbe0 [20236.791569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20236.791569][ T7704] ___sys_sendmsg+0xee/0x170 [20236.791569][ T7704] __sys_sendmsg+0xcd/0x170 [20236.791569][ T7704] do_syscall_64+0xc6/0x1e0 [20236.791569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20236.791569][ T7704] [20236.793863][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20236.793863][ T7704] netdev_get_by_index+0x5e/0x80 [20236.793863][ T7704] fib6_nh_init+0x3d8/0x15b0 [20236.793863][ T7704] ip6_route_info_create+0xf18/0x17d0 [20236.793863][ T7704] addrconf_f6i_alloc+0x315/0x560 [20236.793863][ T7704] ipv6_add_addr+0x411/0x2000 [20236.793863][ T7704] inet6_addr_add+0x30e/0xa40 [20236.793863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20236.793863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20236.793863][ T7704] netlink_rcv_skb+0x130/0x360 [20236.793863][ T7704] netlink_unicast+0x449/0x710 [20236.793863][ T7704] netlink_sendmsg+0x723/0xbe0 [20236.793863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20236.793863][ T7704] ___sys_sendmsg+0xee/0x170 [20236.793863][ T7704] __sys_sendmsg+0xcd/0x170 [20236.793863][ T7704] do_syscall_64+0xc6/0x1e0 [20236.793863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20236.793863][ T7704] [20236.796126][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20236.796126][ T7704] netdev_get_by_index+0x5e/0x80 [20236.796126][ T7704] fib6_nh_init+0x3d8/0x15b0 [20236.796126][ T7704] ip6_route_info_create+0xf18/0x17d0 [20236.796126][ T7704] ip6_route_add+0x1c/0x140 [20236.796126][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20236.796126][ T7704] addrconf_add_dev+0xe2/0x170 [20236.796126][ T7704] inet6_addr_add+0x12f/0xa40 [20236.796126][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20236.796126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20236.796126][ T7704] netlink_rcv_skb+0x130/0x360 [20236.796126][ T7704] netlink_unicast+0x449/0x710 [20236.796126][ T7704] netlink_sendmsg+0x723/0xbe0 [20236.796126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20236.796126][ T7704] ___sys_sendmsg+0xee/0x170 [20236.796126][ T7704] __sys_sendmsg+0xcd/0x170 [20236.796126][ T7704] do_syscall_64+0xc6/0x1e0 [20236.796126][ T7704] [20236.798404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20236.798404][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20236.798404][ T7704] ipv6_find_idev+0x102/0x170 [20236.798404][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20236.798404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20236.798404][ T7704] netlink_rcv_skb+0x130/0x360 [20236.798404][ T7704] netlink_unicast+0x449/0x710 [20236.798404][ T7704] netlink_sendmsg+0x723/0xbe0 [20236.798404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20236.798404][ T7704] ___sys_sendmsg+0xee/0x170 [20236.798404][ T7704] __sys_sendmsg+0xcd/0x170 [20236.798404][ T7704] do_syscall_64+0xc6/0x1e0 [20236.798404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20236.798404][ T7704] [20236.800150][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20236.800150][ T7704] neigh_parms_alloc+0x1e5/0x510 [20236.800150][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20236.800150][ T7704] ipv6_find_idev+0x102/0x170 [20236.800150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20236.800150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20236.800150][ T7704] netlink_rcv_skb+0x130/0x360 [20236.800150][ T7704] netlink_unicast+0x449/0x710 [20236.800150][ T7704] netlink_sendmsg+0x723/0xbe0 [20236.800150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20236.800150][ T7704] ___sys_sendmsg+0xee/0x170 [20236.800150][ T7704] __sys_sendmsg+0xcd/0x170 [20236.800150][ T7704] do_syscall_64+0xc6/0x1e0 [20236.800150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20236.800150][ T7704] [20247.038904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20247.039417][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20247.039417][ T7704] netdev_get_by_index+0x5e/0x80 [20247.039417][ T7704] fib6_nh_init+0x3d8/0x15b0 [20247.039417][ T7704] ip6_route_info_create+0xf18/0x17d0 [20247.039417][ T7704] ip6_route_add+0x1c/0x140 [20247.039417][ T7704] addrconf_prefix_route+0x2a6/0x430 [20247.039417][ T7704] inet6_addr_add+0x4f8/0xa40 [20247.039417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20247.039417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20247.039417][ T7704] netlink_rcv_skb+0x130/0x360 [20247.039417][ T7704] netlink_unicast+0x449/0x710 [20247.039417][ T7704] netlink_sendmsg+0x723/0xbe0 [20247.039417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20247.039417][ T7704] ___sys_sendmsg+0xee/0x170 [20247.039417][ T7704] __sys_sendmsg+0xcd/0x170 [20247.039417][ T7704] do_syscall_64+0xc6/0x1e0 [20247.039417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20247.039417][ T7704] [20247.042228][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20247.042228][ T7704] netdev_get_by_index+0x5e/0x80 [20247.042228][ T7704] fib6_nh_init+0x3d8/0x15b0 [20247.042228][ T7704] ip6_route_info_create+0xf18/0x17d0 [20247.042228][ T7704] addrconf_f6i_alloc+0x315/0x560 [20247.042228][ T7704] ipv6_add_addr+0x411/0x2000 [20247.042228][ T7704] inet6_addr_add+0x30e/0xa40 [20247.042228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20247.042228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20247.042228][ T7704] netlink_rcv_skb+0x130/0x360 [20247.042228][ T7704] netlink_unicast+0x449/0x710 [20247.042228][ T7704] netlink_sendmsg+0x723/0xbe0 [20247.042228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20247.042228][ T7704] ___sys_sendmsg+0xee/0x170 [20247.042228][ T7704] __sys_sendmsg+0xcd/0x170 [20247.042228][ T7704] do_syscall_64+0xc6/0x1e0 [20247.042228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20247.042228][ T7704] [20247.044502][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20247.044502][ T7704] netdev_get_by_index+0x5e/0x80 [20247.044502][ T7704] fib6_nh_init+0x3d8/0x15b0 [20247.044502][ T7704] ip6_route_info_create+0xf18/0x17d0 [20247.044502][ T7704] ip6_route_add+0x1c/0x140 [20247.044502][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20247.044502][ T7704] addrconf_add_dev+0xe2/0x170 [20247.044502][ T7704] inet6_addr_add+0x12f/0xa40 [20247.044502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20247.044502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20247.044502][ T7704] netlink_rcv_skb+0x130/0x360 [20247.044502][ T7704] netlink_unicast+0x449/0x710 [20247.044502][ T7704] netlink_sendmsg+0x723/0xbe0 [20247.044502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20247.044502][ T7704] ___sys_sendmsg+0xee/0x170 [20247.044502][ T7704] __sys_sendmsg+0xcd/0x170 [20247.044502][ T7704] do_syscall_64+0xc6/0x1e0 [20247.044502][ T7704] [20247.046741][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20247.046741][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20247.046741][ T7704] ipv6_find_idev+0x102/0x170 [20247.046741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20247.046741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20247.046741][ T7704] netlink_rcv_skb+0x130/0x360 [20247.046741][ T7704] netlink_unicast+0x449/0x710 [20247.046741][ T7704] netlink_sendmsg+0x723/0xbe0 [20247.046741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20247.046741][ T7704] ___sys_sendmsg+0xee/0x170 [20247.046741][ T7704] __sys_sendmsg+0xcd/0x170 [20247.046741][ T7704] do_syscall_64+0xc6/0x1e0 [20247.046741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20247.046741][ T7704] [20247.048586][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20247.048586][ T7704] neigh_parms_alloc+0x1e5/0x510 [20247.048586][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20247.048586][ T7704] ipv6_find_idev+0x102/0x170 [20247.048586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20247.048586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20247.048586][ T7704] netlink_rcv_skb+0x130/0x360 [20247.048586][ T7704] netlink_unicast+0x449/0x710 [20247.048586][ T7704] netlink_sendmsg+0x723/0xbe0 [20247.048586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20247.048586][ T7704] ___sys_sendmsg+0xee/0x170 [20247.048586][ T7704] __sys_sendmsg+0xcd/0x170 [20247.048586][ T7704] do_syscall_64+0xc6/0x1e0 [20247.048586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20247.048586][ T7704] [20257.287001][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20257.287503][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20257.287503][ T7704] netdev_get_by_index+0x5e/0x80 [20257.287503][ T7704] fib6_nh_init+0x3d8/0x15b0 [20257.287503][ T7704] ip6_route_info_create+0xf18/0x17d0 [20257.287503][ T7704] ip6_route_add+0x1c/0x140 [20257.287503][ T7704] addrconf_prefix_route+0x2a6/0x430 [20257.287503][ T7704] inet6_addr_add+0x4f8/0xa40 [20257.287503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20257.287503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20257.287503][ T7704] netlink_rcv_skb+0x130/0x360 [20257.287503][ T7704] netlink_unicast+0x449/0x710 [20257.287503][ T7704] netlink_sendmsg+0x723/0xbe0 [20257.287503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20257.287503][ T7704] ___sys_sendmsg+0xee/0x170 [20257.287503][ T7704] __sys_sendmsg+0xcd/0x170 [20257.287503][ T7704] do_syscall_64+0xc6/0x1e0 [20257.287503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20257.287503][ T7704] [20257.289775][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20257.289775][ T7704] netdev_get_by_index+0x5e/0x80 [20257.289775][ T7704] fib6_nh_init+0x3d8/0x15b0 [20257.289775][ T7704] ip6_route_info_create+0xf18/0x17d0 [20257.289775][ T7704] addrconf_f6i_alloc+0x315/0x560 [20257.289775][ T7704] ipv6_add_addr+0x411/0x2000 [20257.289775][ T7704] inet6_addr_add+0x30e/0xa40 [20257.289775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20257.289775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20257.289775][ T7704] netlink_rcv_skb+0x130/0x360 [20257.289775][ T7704] netlink_unicast+0x449/0x710 [20257.289775][ T7704] netlink_sendmsg+0x723/0xbe0 [20257.289775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20257.289775][ T7704] ___sys_sendmsg+0xee/0x170 [20257.289775][ T7704] __sys_sendmsg+0xcd/0x170 [20257.289775][ T7704] do_syscall_64+0xc6/0x1e0 [20257.289775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20257.289775][ T7704] [20257.292187][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20257.292187][ T7704] netdev_get_by_index+0x5e/0x80 [20257.292187][ T7704] fib6_nh_init+0x3d8/0x15b0 [20257.292187][ T7704] ip6_route_info_create+0xf18/0x17d0 [20257.292187][ T7704] ip6_route_add+0x1c/0x140 [20257.292187][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20257.292187][ T7704] addrconf_add_dev+0xe2/0x170 [20257.292187][ T7704] inet6_addr_add+0x12f/0xa40 [20257.292187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20257.292187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20257.292187][ T7704] netlink_rcv_skb+0x130/0x360 [20257.292187][ T7704] netlink_unicast+0x449/0x710 [20257.292187][ T7704] netlink_sendmsg+0x723/0xbe0 [20257.292187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20257.292187][ T7704] ___sys_sendmsg+0xee/0x170 [20257.292187][ T7704] __sys_sendmsg+0xcd/0x170 [20257.292187][ T7704] do_syscall_64+0xc6/0x1e0 [20257.292187][ T7704] [20257.294462][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20257.294462][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20257.294462][ T7704] ipv6_find_idev+0x102/0x170 [20257.294462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20257.294462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20257.294462][ T7704] netlink_rcv_skb+0x130/0x360 [20257.294462][ T7704] netlink_unicast+0x449/0x710 [20257.294462][ T7704] netlink_sendmsg+0x723/0xbe0 [20257.294462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20257.294462][ T7704] ___sys_sendmsg+0xee/0x170 [20257.294462][ T7704] __sys_sendmsg+0xcd/0x170 [20257.294462][ T7704] do_syscall_64+0xc6/0x1e0 [20257.294462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20257.294462][ T7704] [20257.296248][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20257.296248][ T7704] neigh_parms_alloc+0x1e5/0x510 [20257.296248][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20257.296248][ T7704] ipv6_find_idev+0x102/0x170 [20257.296248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20257.296248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20257.296248][ T7704] netlink_rcv_skb+0x130/0x360 [20257.296248][ T7704] netlink_unicast+0x449/0x710 [20257.296248][ T7704] netlink_sendmsg+0x723/0xbe0 [20257.296248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20257.296248][ T7704] ___sys_sendmsg+0xee/0x170 [20257.296248][ T7704] __sys_sendmsg+0xcd/0x170 [20257.296248][ T7704] do_syscall_64+0xc6/0x1e0 [20257.296248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20257.296248][ T7704] [20267.350970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20267.351496][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20267.351496][ T7704] netdev_get_by_index+0x5e/0x80 [20267.351496][ T7704] fib6_nh_init+0x3d8/0x15b0 [20267.351496][ T7704] ip6_route_info_create+0xf18/0x17d0 [20267.351496][ T7704] ip6_route_add+0x1c/0x140 [20267.351496][ T7704] addrconf_prefix_route+0x2a6/0x430 [20267.351496][ T7704] inet6_addr_add+0x4f8/0xa40 [20267.351496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20267.351496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20267.351496][ T7704] netlink_rcv_skb+0x130/0x360 [20267.351496][ T7704] netlink_unicast+0x449/0x710 [20267.351496][ T7704] netlink_sendmsg+0x723/0xbe0 [20267.351496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20267.351496][ T7704] ___sys_sendmsg+0xee/0x170 [20267.351496][ T7704] __sys_sendmsg+0xcd/0x170 [20267.351496][ T7704] do_syscall_64+0xc6/0x1e0 [20267.351496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20267.351496][ T7704] [20267.353812][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20267.353812][ T7704] netdev_get_by_index+0x5e/0x80 [20267.353812][ T7704] fib6_nh_init+0x3d8/0x15b0 [20267.353812][ T7704] ip6_route_info_create+0xf18/0x17d0 [20267.353812][ T7704] addrconf_f6i_alloc+0x315/0x560 [20267.353812][ T7704] ipv6_add_addr+0x411/0x2000 [20267.353812][ T7704] inet6_addr_add+0x30e/0xa40 [20267.353812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20267.353812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20267.353812][ T7704] netlink_rcv_skb+0x130/0x360 [20267.353812][ T7704] netlink_unicast+0x449/0x710 [20267.353812][ T7704] netlink_sendmsg+0x723/0xbe0 [20267.353812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20267.353812][ T7704] ___sys_sendmsg+0xee/0x170 [20267.353812][ T7704] __sys_sendmsg+0xcd/0x170 [20267.353812][ T7704] do_syscall_64+0xc6/0x1e0 [20267.353812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20267.353812][ T7704] [20267.356124][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20267.356124][ T7704] netdev_get_by_index+0x5e/0x80 [20267.356124][ T7704] fib6_nh_init+0x3d8/0x15b0 [20267.356124][ T7704] ip6_route_info_create+0xf18/0x17d0 [20267.356124][ T7704] ip6_route_add+0x1c/0x140 [20267.356124][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20267.356124][ T7704] addrconf_add_dev+0xe2/0x170 [20267.356124][ T7704] inet6_addr_add+0x12f/0xa40 [20267.356124][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20267.356124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20267.356124][ T7704] netlink_rcv_skb+0x130/0x360 [20267.356124][ T7704] netlink_unicast+0x449/0x710 [20267.356124][ T7704] netlink_sendmsg+0x723/0xbe0 [20267.356124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20267.356124][ T7704] ___sys_sendmsg+0xee/0x170 [20267.356124][ T7704] __sys_sendmsg+0xcd/0x170 [20267.356124][ T7704] do_syscall_64+0xc6/0x1e0 [20267.356124][ T7704] [20267.358383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20267.358383][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20267.358383][ T7704] ipv6_find_idev+0x102/0x170 [20267.358383][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20267.358383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20267.358383][ T7704] netlink_rcv_skb+0x130/0x360 [20267.358383][ T7704] netlink_unicast+0x449/0x710 [20267.358383][ T7704] netlink_sendmsg+0x723/0xbe0 [20267.358383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20267.358383][ T7704] ___sys_sendmsg+0xee/0x170 [20267.358383][ T7704] __sys_sendmsg+0xcd/0x170 [20267.358383][ T7704] do_syscall_64+0xc6/0x1e0 [20267.358383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20267.358383][ T7704] [20267.360252][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20267.360252][ T7704] neigh_parms_alloc+0x1e5/0x510 [20267.360252][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20267.360252][ T7704] ipv6_find_idev+0x102/0x170 [20267.360252][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20267.360252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20267.360252][ T7704] netlink_rcv_skb+0x130/0x360 [20267.360252][ T7704] netlink_unicast+0x449/0x710 [20267.360252][ T7704] netlink_sendmsg+0x723/0xbe0 [20267.360252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20267.360252][ T7704] ___sys_sendmsg+0xee/0x170 [20267.360252][ T7704] __sys_sendmsg+0xcd/0x170 [20267.360252][ T7704] do_syscall_64+0xc6/0x1e0 [20267.360252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20267.360252][ T7704] [20277.598989][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20277.599499][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20277.599499][ T7704] netdev_get_by_index+0x5e/0x80 [20277.599499][ T7704] fib6_nh_init+0x3d8/0x15b0 [20277.599499][ T7704] ip6_route_info_create+0xf18/0x17d0 [20277.599499][ T7704] ip6_route_add+0x1c/0x140 [20277.599499][ T7704] addrconf_prefix_route+0x2a6/0x430 [20277.599499][ T7704] inet6_addr_add+0x4f8/0xa40 [20277.599499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20277.599499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20277.599499][ T7704] netlink_rcv_skb+0x130/0x360 [20277.599499][ T7704] netlink_unicast+0x449/0x710 [20277.599499][ T7704] netlink_sendmsg+0x723/0xbe0 [20277.599499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20277.599499][ T7704] ___sys_sendmsg+0xee/0x170 [20277.599499][ T7704] __sys_sendmsg+0xcd/0x170 [20277.599499][ T7704] do_syscall_64+0xc6/0x1e0 [20277.599499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20277.599499][ T7704] [20277.601747][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20277.601747][ T7704] netdev_get_by_index+0x5e/0x80 [20277.601747][ T7704] fib6_nh_init+0x3d8/0x15b0 [20277.601747][ T7704] ip6_route_info_create+0xf18/0x17d0 [20277.601747][ T7704] addrconf_f6i_alloc+0x315/0x560 [20277.601747][ T7704] ipv6_add_addr+0x411/0x2000 [20277.601747][ T7704] inet6_addr_add+0x30e/0xa40 [20277.601747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20277.601747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20277.601747][ T7704] netlink_rcv_skb+0x130/0x360 [20277.601747][ T7704] netlink_unicast+0x449/0x710 [20277.601747][ T7704] netlink_sendmsg+0x723/0xbe0 [20277.601747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20277.601747][ T7704] ___sys_sendmsg+0xee/0x170 [20277.601747][ T7704] __sys_sendmsg+0xcd/0x170 [20277.601747][ T7704] do_syscall_64+0xc6/0x1e0 [20277.601747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20277.601747][ T7704] [20277.603962][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20277.603962][ T7704] netdev_get_by_index+0x5e/0x80 [20277.603962][ T7704] fib6_nh_init+0x3d8/0x15b0 [20277.603962][ T7704] ip6_route_info_create+0xf18/0x17d0 [20277.603962][ T7704] ip6_route_add+0x1c/0x140 [20277.603962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20277.603962][ T7704] addrconf_add_dev+0xe2/0x170 [20277.603962][ T7704] inet6_addr_add+0x12f/0xa40 [20277.603962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20277.603962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20277.603962][ T7704] netlink_rcv_skb+0x130/0x360 [20277.603962][ T7704] netlink_unicast+0x449/0x710 [20277.603962][ T7704] netlink_sendmsg+0x723/0xbe0 [20277.603962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20277.603962][ T7704] ___sys_sendmsg+0xee/0x170 [20277.603962][ T7704] __sys_sendmsg+0xcd/0x170 [20277.603962][ T7704] do_syscall_64+0xc6/0x1e0 [20277.603962][ T7704] [20277.606171][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20277.606171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20277.606171][ T7704] ipv6_find_idev+0x102/0x170 [20277.606171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20277.606171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20277.606171][ T7704] netlink_rcv_skb+0x130/0x360 [20277.606171][ T7704] netlink_unicast+0x449/0x710 [20277.606171][ T7704] netlink_sendmsg+0x723/0xbe0 [20277.606171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20277.606171][ T7704] ___sys_sendmsg+0xee/0x170 [20277.606171][ T7704] __sys_sendmsg+0xcd/0x170 [20277.606171][ T7704] do_syscall_64+0xc6/0x1e0 [20277.606171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20277.606171][ T7704] [20277.607893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20277.607893][ T7704] neigh_parms_alloc+0x1e5/0x510 [20277.607893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20277.607893][ T7704] ipv6_find_idev+0x102/0x170 [20277.607893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20277.607893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20277.607893][ T7704] netlink_rcv_skb+0x130/0x360 [20277.607893][ T7704] netlink_unicast+0x449/0x710 [20277.607893][ T7704] netlink_sendmsg+0x723/0xbe0 [20277.607893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20277.607893][ T7704] ___sys_sendmsg+0xee/0x170 [20277.607893][ T7704] __sys_sendmsg+0xcd/0x170 [20277.607893][ T7704] do_syscall_64+0xc6/0x1e0 [20277.607893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20277.607893][ T7704] [20287.846881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20287.847307][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20287.847307][ T7704] netdev_get_by_index+0x5e/0x80 [20287.847307][ T7704] fib6_nh_init+0x3d8/0x15b0 [20287.847307][ T7704] ip6_route_info_create+0xf18/0x17d0 [20287.847307][ T7704] ip6_route_add+0x1c/0x140 [20287.847307][ T7704] addrconf_prefix_route+0x2a6/0x430 [20287.847307][ T7704] inet6_addr_add+0x4f8/0xa40 [20287.847307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20287.847307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20287.847307][ T7704] netlink_rcv_skb+0x130/0x360 [20287.847307][ T7704] netlink_unicast+0x449/0x710 [20287.847307][ T7704] netlink_sendmsg+0x723/0xbe0 [20287.847307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20287.847307][ T7704] ___sys_sendmsg+0xee/0x170 [20287.847307][ T7704] __sys_sendmsg+0xcd/0x170 [20287.847307][ T7704] do_syscall_64+0xc6/0x1e0 [20287.847307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20287.847307][ T7704] [20287.849564][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20287.849564][ T7704] netdev_get_by_index+0x5e/0x80 [20287.849564][ T7704] fib6_nh_init+0x3d8/0x15b0 [20287.849564][ T7704] ip6_route_info_create+0xf18/0x17d0 [20287.849564][ T7704] addrconf_f6i_alloc+0x315/0x560 [20287.849564][ T7704] ipv6_add_addr+0x411/0x2000 [20287.849564][ T7704] inet6_addr_add+0x30e/0xa40 [20287.849564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20287.849564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20287.849564][ T7704] netlink_rcv_skb+0x130/0x360 [20287.849564][ T7704] netlink_unicast+0x449/0x710 [20287.849564][ T7704] netlink_sendmsg+0x723/0xbe0 [20287.849564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20287.849564][ T7704] ___sys_sendmsg+0xee/0x170 [20287.849564][ T7704] __sys_sendmsg+0xcd/0x170 [20287.849564][ T7704] do_syscall_64+0xc6/0x1e0 [20287.849564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20287.849564][ T7704] [20287.851781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20287.851781][ T7704] netdev_get_by_index+0x5e/0x80 [20287.851781][ T7704] fib6_nh_init+0x3d8/0x15b0 [20287.851781][ T7704] ip6_route_info_create+0xf18/0x17d0 [20287.851781][ T7704] ip6_route_add+0x1c/0x140 [20287.851781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20287.851781][ T7704] addrconf_add_dev+0xe2/0x170 [20287.851781][ T7704] inet6_addr_add+0x12f/0xa40 [20287.851781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20287.851781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20287.851781][ T7704] netlink_rcv_skb+0x130/0x360 [20287.851781][ T7704] netlink_unicast+0x449/0x710 [20287.851781][ T7704] netlink_sendmsg+0x723/0xbe0 [20287.851781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20287.851781][ T7704] ___sys_sendmsg+0xee/0x170 [20287.851781][ T7704] __sys_sendmsg+0xcd/0x170 [20287.851781][ T7704] do_syscall_64+0xc6/0x1e0 [20287.851781][ T7704] [20287.853960][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20287.853960][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20287.853960][ T7704] ipv6_find_idev+0x102/0x170 [20287.853960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20287.853960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20287.853960][ T7704] netlink_rcv_skb+0x130/0x360 [20287.853960][ T7704] netlink_unicast+0x449/0x710 [20287.853960][ T7704] netlink_sendmsg+0x723/0xbe0 [20287.853960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20287.853960][ T7704] ___sys_sendmsg+0xee/0x170 [20287.853960][ T7704] __sys_sendmsg+0xcd/0x170 [20287.853960][ T7704] do_syscall_64+0xc6/0x1e0 [20287.853960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20287.853960][ T7704] [20287.855677][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20287.855677][ T7704] neigh_parms_alloc+0x1e5/0x510 [20287.855677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20287.855677][ T7704] ipv6_find_idev+0x102/0x170 [20287.855677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20287.855677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20287.855677][ T7704] netlink_rcv_skb+0x130/0x360 [20287.855677][ T7704] netlink_unicast+0x449/0x710 [20287.855677][ T7704] netlink_sendmsg+0x723/0xbe0 [20287.855677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20287.855677][ T7704] ___sys_sendmsg+0xee/0x170 [20287.855677][ T7704] __sys_sendmsg+0xcd/0x170 [20287.855677][ T7704] do_syscall_64+0xc6/0x1e0 [20287.855677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20287.855677][ T7704] [20298.094965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20298.095458][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20298.095458][ T7704] netdev_get_by_index+0x5e/0x80 [20298.095458][ T7704] fib6_nh_init+0x3d8/0x15b0 [20298.095458][ T7704] ip6_route_info_create+0xf18/0x17d0 [20298.095458][ T7704] ip6_route_add+0x1c/0x140 [20298.095458][ T7704] addrconf_prefix_route+0x2a6/0x430 [20298.095458][ T7704] inet6_addr_add+0x4f8/0xa40 [20298.095458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20298.095458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20298.095458][ T7704] netlink_rcv_skb+0x130/0x360 [20298.095458][ T7704] netlink_unicast+0x449/0x710 [20298.095458][ T7704] netlink_sendmsg+0x723/0xbe0 [20298.095458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20298.095458][ T7704] ___sys_sendmsg+0xee/0x170 [20298.095458][ T7704] __sys_sendmsg+0xcd/0x170 [20298.095458][ T7704] do_syscall_64+0xc6/0x1e0 [20298.095458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20298.095458][ T7704] [20298.097709][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20298.097709][ T7704] netdev_get_by_index+0x5e/0x80 [20298.097709][ T7704] fib6_nh_init+0x3d8/0x15b0 [20298.097709][ T7704] ip6_route_info_create+0xf18/0x17d0 [20298.097709][ T7704] addrconf_f6i_alloc+0x315/0x560 [20298.097709][ T7704] ipv6_add_addr+0x411/0x2000 [20298.097709][ T7704] inet6_addr_add+0x30e/0xa40 [20298.097709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20298.097709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20298.097709][ T7704] netlink_rcv_skb+0x130/0x360 [20298.097709][ T7704] netlink_unicast+0x449/0x710 [20298.097709][ T7704] netlink_sendmsg+0x723/0xbe0 [20298.097709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20298.097709][ T7704] ___sys_sendmsg+0xee/0x170 [20298.097709][ T7704] __sys_sendmsg+0xcd/0x170 [20298.097709][ T7704] do_syscall_64+0xc6/0x1e0 [20298.097709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20298.097709][ T7704] [20298.099936][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20298.099936][ T7704] netdev_get_by_index+0x5e/0x80 [20298.099936][ T7704] fib6_nh_init+0x3d8/0x15b0 [20298.099936][ T7704] ip6_route_info_create+0xf18/0x17d0 [20298.099936][ T7704] ip6_route_add+0x1c/0x140 [20298.099936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20298.099936][ T7704] addrconf_add_dev+0xe2/0x170 [20298.099936][ T7704] inet6_addr_add+0x12f/0xa40 [20298.099936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20298.099936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20298.099936][ T7704] netlink_rcv_skb+0x130/0x360 [20298.099936][ T7704] netlink_unicast+0x449/0x710 [20298.099936][ T7704] netlink_sendmsg+0x723/0xbe0 [20298.099936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20298.099936][ T7704] ___sys_sendmsg+0xee/0x170 [20298.099936][ T7704] __sys_sendmsg+0xcd/0x170 [20298.099936][ T7704] do_syscall_64+0xc6/0x1e0 [20298.099936][ T7704] [20298.102116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20298.102116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20298.102116][ T7704] ipv6_find_idev+0x102/0x170 [20298.102116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20298.102116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20298.102116][ T7704] netlink_rcv_skb+0x130/0x360 [20298.102116][ T7704] netlink_unicast+0x449/0x710 [20298.102116][ T7704] netlink_sendmsg+0x723/0xbe0 [20298.102116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20298.102116][ T7704] ___sys_sendmsg+0xee/0x170 [20298.102116][ T7704] __sys_sendmsg+0xcd/0x170 [20298.102116][ T7704] do_syscall_64+0xc6/0x1e0 [20298.102116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20298.102116][ T7704] [20298.103825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20298.103825][ T7704] neigh_parms_alloc+0x1e5/0x510 [20298.103825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20298.103825][ T7704] ipv6_find_idev+0x102/0x170 [20298.103825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20298.103825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20298.103825][ T7704] netlink_rcv_skb+0x130/0x360 [20298.103825][ T7704] netlink_unicast+0x449/0x710 [20298.103825][ T7704] netlink_sendmsg+0x723/0xbe0 [20298.103825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20298.103825][ T7704] ___sys_sendmsg+0xee/0x170 [20298.103825][ T7704] __sys_sendmsg+0xcd/0x170 [20298.103825][ T7704] do_syscall_64+0xc6/0x1e0 [20298.103825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20298.103825][ T7704] [20308.342936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20308.343414][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20308.343414][ T7704] netdev_get_by_index+0x5e/0x80 [20308.343414][ T7704] fib6_nh_init+0x3d8/0x15b0 [20308.343414][ T7704] ip6_route_info_create+0xf18/0x17d0 [20308.343414][ T7704] ip6_route_add+0x1c/0x140 [20308.343414][ T7704] addrconf_prefix_route+0x2a6/0x430 [20308.343414][ T7704] inet6_addr_add+0x4f8/0xa40 [20308.343414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20308.343414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20308.343414][ T7704] netlink_rcv_skb+0x130/0x360 [20308.343414][ T7704] netlink_unicast+0x449/0x710 [20308.343414][ T7704] netlink_sendmsg+0x723/0xbe0 [20308.343414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20308.343414][ T7704] ___sys_sendmsg+0xee/0x170 [20308.343414][ T7704] __sys_sendmsg+0xcd/0x170 [20308.343414][ T7704] do_syscall_64+0xc6/0x1e0 [20308.343414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20308.343414][ T7704] [20308.345660][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20308.345660][ T7704] netdev_get_by_index+0x5e/0x80 [20308.345660][ T7704] fib6_nh_init+0x3d8/0x15b0 [20308.345660][ T7704] ip6_route_info_create+0xf18/0x17d0 [20308.345660][ T7704] addrconf_f6i_alloc+0x315/0x560 [20308.345660][ T7704] ipv6_add_addr+0x411/0x2000 [20308.345660][ T7704] inet6_addr_add+0x30e/0xa40 [20308.345660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20308.345660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20308.345660][ T7704] netlink_rcv_skb+0x130/0x360 [20308.345660][ T7704] netlink_unicast+0x449/0x710 [20308.345660][ T7704] netlink_sendmsg+0x723/0xbe0 [20308.345660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20308.345660][ T7704] ___sys_sendmsg+0xee/0x170 [20308.345660][ T7704] __sys_sendmsg+0xcd/0x170 [20308.345660][ T7704] do_syscall_64+0xc6/0x1e0 [20308.345660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20308.345660][ T7704] [20308.347879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20308.347879][ T7704] netdev_get_by_index+0x5e/0x80 [20308.347879][ T7704] fib6_nh_init+0x3d8/0x15b0 [20308.347879][ T7704] ip6_route_info_create+0xf18/0x17d0 [20308.347879][ T7704] ip6_route_add+0x1c/0x140 [20308.347879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20308.347879][ T7704] addrconf_add_dev+0xe2/0x170 [20308.347879][ T7704] inet6_addr_add+0x12f/0xa40 [20308.347879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20308.347879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20308.347879][ T7704] netlink_rcv_skb+0x130/0x360 [20308.347879][ T7704] netlink_unicast+0x449/0x710 [20308.347879][ T7704] netlink_sendmsg+0x723/0xbe0 [20308.347879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20308.347879][ T7704] ___sys_sendmsg+0xee/0x170 [20308.347879][ T7704] __sys_sendmsg+0xcd/0x170 [20308.347879][ T7704] do_syscall_64+0xc6/0x1e0 [20308.347879][ T7704] [20308.350067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20308.350067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20308.350067][ T7704] ipv6_find_idev+0x102/0x170 [20308.350067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20308.350067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20308.350067][ T7704] netlink_rcv_skb+0x130/0x360 [20308.350067][ T7704] netlink_unicast+0x449/0x710 [20308.350067][ T7704] netlink_sendmsg+0x723/0xbe0 [20308.350067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20308.350067][ T7704] ___sys_sendmsg+0xee/0x170 [20308.350067][ T7704] __sys_sendmsg+0xcd/0x170 [20308.350067][ T7704] do_syscall_64+0xc6/0x1e0 [20308.350067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20308.350067][ T7704] [20308.351771][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20308.351771][ T7704] neigh_parms_alloc+0x1e5/0x510 [20308.351771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20308.351771][ T7704] ipv6_find_idev+0x102/0x170 [20308.351771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20308.351771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20308.351771][ T7704] netlink_rcv_skb+0x130/0x360 [20308.351771][ T7704] netlink_unicast+0x449/0x710 [20308.351771][ T7704] netlink_sendmsg+0x723/0xbe0 [20308.351771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20308.351771][ T7704] ___sys_sendmsg+0xee/0x170 [20308.351771][ T7704] __sys_sendmsg+0xcd/0x170 [20308.351771][ T7704] do_syscall_64+0xc6/0x1e0 [20308.351771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20308.351771][ T7704] [20318.398955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20318.399439][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20318.399439][ T7704] netdev_get_by_index+0x5e/0x80 [20318.399439][ T7704] fib6_nh_init+0x3d8/0x15b0 [20318.399439][ T7704] ip6_route_info_create+0xf18/0x17d0 [20318.399439][ T7704] ip6_route_add+0x1c/0x140 [20318.399439][ T7704] addrconf_prefix_route+0x2a6/0x430 [20318.399439][ T7704] inet6_addr_add+0x4f8/0xa40 [20318.399439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20318.399439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20318.399439][ T7704] netlink_rcv_skb+0x130/0x360 [20318.399439][ T7704] netlink_unicast+0x449/0x710 [20318.399439][ T7704] netlink_sendmsg+0x723/0xbe0 [20318.399439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20318.399439][ T7704] ___sys_sendmsg+0xee/0x170 [20318.399439][ T7704] __sys_sendmsg+0xcd/0x170 [20318.399439][ T7704] do_syscall_64+0xc6/0x1e0 [20318.399439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20318.399439][ T7704] [20318.401685][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20318.401685][ T7704] netdev_get_by_index+0x5e/0x80 [20318.401685][ T7704] fib6_nh_init+0x3d8/0x15b0 [20318.401685][ T7704] ip6_route_info_create+0xf18/0x17d0 [20318.401685][ T7704] addrconf_f6i_alloc+0x315/0x560 [20318.401685][ T7704] ipv6_add_addr+0x411/0x2000 [20318.401685][ T7704] inet6_addr_add+0x30e/0xa40 [20318.401685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20318.401685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20318.401685][ T7704] netlink_rcv_skb+0x130/0x360 [20318.401685][ T7704] netlink_unicast+0x449/0x710 [20318.401685][ T7704] netlink_sendmsg+0x723/0xbe0 [20318.401685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20318.401685][ T7704] ___sys_sendmsg+0xee/0x170 [20318.401685][ T7704] __sys_sendmsg+0xcd/0x170 [20318.401685][ T7704] do_syscall_64+0xc6/0x1e0 [20318.401685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20318.401685][ T7704] [20318.403894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20318.403894][ T7704] netdev_get_by_index+0x5e/0x80 [20318.403894][ T7704] fib6_nh_init+0x3d8/0x15b0 [20318.403894][ T7704] ip6_route_info_create+0xf18/0x17d0 [20318.403894][ T7704] ip6_route_add+0x1c/0x140 [20318.403894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20318.403894][ T7704] addrconf_add_dev+0xe2/0x170 [20318.403894][ T7704] inet6_addr_add+0x12f/0xa40 [20318.403894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20318.403894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20318.403894][ T7704] netlink_rcv_skb+0x130/0x360 [20318.403894][ T7704] netlink_unicast+0x449/0x710 [20318.403894][ T7704] netlink_sendmsg+0x723/0xbe0 [20318.403894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20318.403894][ T7704] ___sys_sendmsg+0xee/0x170 [20318.403894][ T7704] __sys_sendmsg+0xcd/0x170 [20318.403894][ T7704] do_syscall_64+0xc6/0x1e0 [20318.403894][ T7704] [20318.406099][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20318.406099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20318.406099][ T7704] ipv6_find_idev+0x102/0x170 [20318.406099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20318.406099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20318.406099][ T7704] netlink_rcv_skb+0x130/0x360 [20318.406099][ T7704] netlink_unicast+0x449/0x710 [20318.406099][ T7704] netlink_sendmsg+0x723/0xbe0 [20318.406099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20318.406099][ T7704] ___sys_sendmsg+0xee/0x170 [20318.406099][ T7704] __sys_sendmsg+0xcd/0x170 [20318.406099][ T7704] do_syscall_64+0xc6/0x1e0 [20318.406099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20318.406099][ T7704] [20318.407804][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20318.407804][ T7704] neigh_parms_alloc+0x1e5/0x510 [20318.407804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20318.407804][ T7704] ipv6_find_idev+0x102/0x170 [20318.407804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20318.407804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20318.407804][ T7704] netlink_rcv_skb+0x130/0x360 [20318.407804][ T7704] netlink_unicast+0x449/0x710 [20318.407804][ T7704] netlink_sendmsg+0x723/0xbe0 [20318.407804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20318.407804][ T7704] ___sys_sendmsg+0xee/0x170 [20318.407804][ T7704] __sys_sendmsg+0xcd/0x170 [20318.407804][ T7704] do_syscall_64+0xc6/0x1e0 [20318.407804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20318.407804][ T7704] [20328.414939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20328.415404][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20328.415404][ T7704] netdev_get_by_index+0x5e/0x80 [20328.415404][ T7704] fib6_nh_init+0x3d8/0x15b0 [20328.415404][ T7704] ip6_route_info_create+0xf18/0x17d0 [20328.415404][ T7704] ip6_route_add+0x1c/0x140 [20328.415404][ T7704] addrconf_prefix_route+0x2a6/0x430 [20328.415404][ T7704] inet6_addr_add+0x4f8/0xa40 [20328.415404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20328.415404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20328.415404][ T7704] netlink_rcv_skb+0x130/0x360 [20328.415404][ T7704] netlink_unicast+0x449/0x710 [20328.415404][ T7704] netlink_sendmsg+0x723/0xbe0 [20328.415404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20328.415404][ T7704] ___sys_sendmsg+0xee/0x170 [20328.415404][ T7704] __sys_sendmsg+0xcd/0x170 [20328.415404][ T7704] do_syscall_64+0xc6/0x1e0 [20328.415404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20328.415404][ T7704] [20328.417668][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20328.417668][ T7704] netdev_get_by_index+0x5e/0x80 [20328.417668][ T7704] fib6_nh_init+0x3d8/0x15b0 [20328.417668][ T7704] ip6_route_info_create+0xf18/0x17d0 [20328.417668][ T7704] addrconf_f6i_alloc+0x315/0x560 [20328.417668][ T7704] ipv6_add_addr+0x411/0x2000 [20328.417668][ T7704] inet6_addr_add+0x30e/0xa40 [20328.417668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20328.417668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20328.417668][ T7704] netlink_rcv_skb+0x130/0x360 [20328.417668][ T7704] netlink_unicast+0x449/0x710 [20328.417668][ T7704] netlink_sendmsg+0x723/0xbe0 [20328.417668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20328.417668][ T7704] ___sys_sendmsg+0xee/0x170 [20328.417668][ T7704] __sys_sendmsg+0xcd/0x170 [20328.417668][ T7704] do_syscall_64+0xc6/0x1e0 [20328.417668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20328.417668][ T7704] [20328.419894][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20328.419894][ T7704] netdev_get_by_index+0x5e/0x80 [20328.419894][ T7704] fib6_nh_init+0x3d8/0x15b0 [20328.419894][ T7704] ip6_route_info_create+0xf18/0x17d0 [20328.419894][ T7704] ip6_route_add+0x1c/0x140 [20328.419894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20328.419894][ T7704] addrconf_add_dev+0xe2/0x170 [20328.419894][ T7704] inet6_addr_add+0x12f/0xa40 [20328.419894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20328.419894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20328.419894][ T7704] netlink_rcv_skb+0x130/0x360 [20328.419894][ T7704] netlink_unicast+0x449/0x710 [20328.419894][ T7704] netlink_sendmsg+0x723/0xbe0 [20328.419894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20328.419894][ T7704] ___sys_sendmsg+0xee/0x170 [20328.419894][ T7704] __sys_sendmsg+0xcd/0x170 [20328.419894][ T7704] do_syscall_64+0xc6/0x1e0 [20328.419894][ T7704] [20328.422103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20328.422103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20328.422103][ T7704] ipv6_find_idev+0x102/0x170 [20328.422103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20328.422103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20328.422103][ T7704] netlink_rcv_skb+0x130/0x360 [20328.422103][ T7704] netlink_unicast+0x449/0x710 [20328.422103][ T7704] netlink_sendmsg+0x723/0xbe0 [20328.422103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20328.422103][ T7704] ___sys_sendmsg+0xee/0x170 [20328.422103][ T7704] __sys_sendmsg+0xcd/0x170 [20328.422103][ T7704] do_syscall_64+0xc6/0x1e0 [20328.422103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20328.422103][ T7704] [20328.423811][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20328.423811][ T7704] neigh_parms_alloc+0x1e5/0x510 [20328.423811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20328.423811][ T7704] ipv6_find_idev+0x102/0x170 [20328.423811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20328.423811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20328.423811][ T7704] netlink_rcv_skb+0x130/0x360 [20328.423811][ T7704] netlink_unicast+0x449/0x710 [20328.423811][ T7704] netlink_sendmsg+0x723/0xbe0 [20328.423811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20328.423811][ T7704] ___sys_sendmsg+0xee/0x170 [20328.423811][ T7704] __sys_sendmsg+0xcd/0x170 [20328.423811][ T7704] do_syscall_64+0xc6/0x1e0 [20328.423811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20328.423811][ T7704] [20338.670932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20338.671425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20338.671425][ T7704] netdev_get_by_index+0x5e/0x80 [20338.671425][ T7704] fib6_nh_init+0x3d8/0x15b0 [20338.671425][ T7704] ip6_route_info_create+0xf18/0x17d0 [20338.671425][ T7704] ip6_route_add+0x1c/0x140 [20338.671425][ T7704] addrconf_prefix_route+0x2a6/0x430 [20338.671425][ T7704] inet6_addr_add+0x4f8/0xa40 [20338.671425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20338.671425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20338.671425][ T7704] netlink_rcv_skb+0x130/0x360 [20338.671425][ T7704] netlink_unicast+0x449/0x710 [20338.671425][ T7704] netlink_sendmsg+0x723/0xbe0 [20338.671425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20338.671425][ T7704] ___sys_sendmsg+0xee/0x170 [20338.671425][ T7704] __sys_sendmsg+0xcd/0x170 [20338.671425][ T7704] do_syscall_64+0xc6/0x1e0 [20338.671425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20338.671425][ T7704] [20338.673708][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20338.673708][ T7704] netdev_get_by_index+0x5e/0x80 [20338.673708][ T7704] fib6_nh_init+0x3d8/0x15b0 [20338.673708][ T7704] ip6_route_info_create+0xf18/0x17d0 [20338.673708][ T7704] addrconf_f6i_alloc+0x315/0x560 [20338.673708][ T7704] ipv6_add_addr+0x411/0x2000 [20338.673708][ T7704] inet6_addr_add+0x30e/0xa40 [20338.673708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20338.673708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20338.673708][ T7704] netlink_rcv_skb+0x130/0x360 [20338.673708][ T7704] netlink_unicast+0x449/0x710 [20338.673708][ T7704] netlink_sendmsg+0x723/0xbe0 [20338.673708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20338.673708][ T7704] ___sys_sendmsg+0xee/0x170 [20338.673708][ T7704] __sys_sendmsg+0xcd/0x170 [20338.673708][ T7704] do_syscall_64+0xc6/0x1e0 [20338.673708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20338.673708][ T7704] [20338.675933][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20338.675933][ T7704] netdev_get_by_index+0x5e/0x80 [20338.675933][ T7704] fib6_nh_init+0x3d8/0x15b0 [20338.675933][ T7704] ip6_route_info_create+0xf18/0x17d0 [20338.675933][ T7704] ip6_route_add+0x1c/0x140 [20338.675933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20338.675933][ T7704] addrconf_add_dev+0xe2/0x170 [20338.675933][ T7704] inet6_addr_add+0x12f/0xa40 [20338.675933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20338.675933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20338.675933][ T7704] netlink_rcv_skb+0x130/0x360 [20338.675933][ T7704] netlink_unicast+0x449/0x710 [20338.675933][ T7704] netlink_sendmsg+0x723/0xbe0 [20338.675933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20338.675933][ T7704] ___sys_sendmsg+0xee/0x170 [20338.675933][ T7704] __sys_sendmsg+0xcd/0x170 [20338.675933][ T7704] do_syscall_64+0xc6/0x1e0 [20338.675933][ T7704] [20338.678114][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20338.678114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20338.678114][ T7704] ipv6_find_idev+0x102/0x170 [20338.678114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20338.678114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20338.678114][ T7704] netlink_rcv_skb+0x130/0x360 [20338.678114][ T7704] netlink_unicast+0x449/0x710 [20338.678114][ T7704] netlink_sendmsg+0x723/0xbe0 [20338.678114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20338.678114][ T7704] ___sys_sendmsg+0xee/0x170 [20338.678114][ T7704] __sys_sendmsg+0xcd/0x170 [20338.678114][ T7704] do_syscall_64+0xc6/0x1e0 [20338.678114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20338.678114][ T7704] [20338.679830][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20338.679830][ T7704] neigh_parms_alloc+0x1e5/0x510 [20338.679830][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20338.679830][ T7704] ipv6_find_idev+0x102/0x170 [20338.679830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20338.679830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20338.679830][ T7704] netlink_rcv_skb+0x130/0x360 [20338.679830][ T7704] netlink_unicast+0x449/0x710 [20338.679830][ T7704] netlink_sendmsg+0x723/0xbe0 [20338.679830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20338.679830][ T7704] ___sys_sendmsg+0xee/0x170 [20338.679830][ T7704] __sys_sendmsg+0xcd/0x170 [20338.679830][ T7704] do_syscall_64+0xc6/0x1e0 [20338.679830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20338.679830][ T7704] [20348.886932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20348.887400][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20348.887400][ T7704] netdev_get_by_index+0x5e/0x80 [20348.887400][ T7704] fib6_nh_init+0x3d8/0x15b0 [20348.887400][ T7704] ip6_route_info_create+0xf18/0x17d0 [20348.887400][ T7704] ip6_route_add+0x1c/0x140 [20348.887400][ T7704] addrconf_prefix_route+0x2a6/0x430 [20348.887400][ T7704] inet6_addr_add+0x4f8/0xa40 [20348.887400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20348.887400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20348.887400][ T7704] netlink_rcv_skb+0x130/0x360 [20348.887400][ T7704] netlink_unicast+0x449/0x710 [20348.887400][ T7704] netlink_sendmsg+0x723/0xbe0 [20348.887400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20348.887400][ T7704] ___sys_sendmsg+0xee/0x170 [20348.887400][ T7704] __sys_sendmsg+0xcd/0x170 [20348.887400][ T7704] do_syscall_64+0xc6/0x1e0 [20348.887400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20348.887400][ T7704] [20348.889646][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20348.889646][ T7704] netdev_get_by_index+0x5e/0x80 [20348.889646][ T7704] fib6_nh_init+0x3d8/0x15b0 [20348.889646][ T7704] ip6_route_info_create+0xf18/0x17d0 [20348.889646][ T7704] addrconf_f6i_alloc+0x315/0x560 [20348.889646][ T7704] ipv6_add_addr+0x411/0x2000 [20348.889646][ T7704] inet6_addr_add+0x30e/0xa40 [20348.889646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20348.889646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20348.889646][ T7704] netlink_rcv_skb+0x130/0x360 [20348.889646][ T7704] netlink_unicast+0x449/0x710 [20348.889646][ T7704] netlink_sendmsg+0x723/0xbe0 [20348.889646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20348.889646][ T7704] ___sys_sendmsg+0xee/0x170 [20348.889646][ T7704] __sys_sendmsg+0xcd/0x170 [20348.889646][ T7704] do_syscall_64+0xc6/0x1e0 [20348.889646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20348.889646][ T7704] [20348.891866][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20348.891866][ T7704] netdev_get_by_index+0x5e/0x80 [20348.891866][ T7704] fib6_nh_init+0x3d8/0x15b0 [20348.891866][ T7704] ip6_route_info_create+0xf18/0x17d0 [20348.891866][ T7704] ip6_route_add+0x1c/0x140 [20348.891866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20348.891866][ T7704] addrconf_add_dev+0xe2/0x170 [20348.891866][ T7704] inet6_addr_add+0x12f/0xa40 [20348.891866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20348.891866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20348.891866][ T7704] netlink_rcv_skb+0x130/0x360 [20348.891866][ T7704] netlink_unicast+0x449/0x710 [20348.891866][ T7704] netlink_sendmsg+0x723/0xbe0 [20348.891866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20348.891866][ T7704] ___sys_sendmsg+0xee/0x170 [20348.891866][ T7704] __sys_sendmsg+0xcd/0x170 [20348.891866][ T7704] do_syscall_64+0xc6/0x1e0 [20348.891866][ T7704] [20348.894050][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20348.894050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20348.894050][ T7704] ipv6_find_idev+0x102/0x170 [20348.894050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20348.894050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20348.894050][ T7704] netlink_rcv_skb+0x130/0x360 [20348.894050][ T7704] netlink_unicast+0x449/0x710 [20348.894050][ T7704] netlink_sendmsg+0x723/0xbe0 [20348.894050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20348.894050][ T7704] ___sys_sendmsg+0xee/0x170 [20348.894050][ T7704] __sys_sendmsg+0xcd/0x170 [20348.894050][ T7704] do_syscall_64+0xc6/0x1e0 [20348.894050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20348.894050][ T7704] [20348.895768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20348.895768][ T7704] neigh_parms_alloc+0x1e5/0x510 [20348.895768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20348.895768][ T7704] ipv6_find_idev+0x102/0x170 [20348.895768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20348.895768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20348.895768][ T7704] netlink_rcv_skb+0x130/0x360 [20348.895768][ T7704] netlink_unicast+0x449/0x710 [20348.895768][ T7704] netlink_sendmsg+0x723/0xbe0 [20348.895768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20348.895768][ T7704] ___sys_sendmsg+0xee/0x170 [20348.895768][ T7704] __sys_sendmsg+0xcd/0x170 [20348.895768][ T7704] do_syscall_64+0xc6/0x1e0 [20348.895768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20348.895768][ T7704] [20359.134933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20359.135403][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20359.135403][ T7704] netdev_get_by_index+0x5e/0x80 [20359.135403][ T7704] fib6_nh_init+0x3d8/0x15b0 [20359.135403][ T7704] ip6_route_info_create+0xf18/0x17d0 [20359.135403][ T7704] ip6_route_add+0x1c/0x140 [20359.135403][ T7704] addrconf_prefix_route+0x2a6/0x430 [20359.135403][ T7704] inet6_addr_add+0x4f8/0xa40 [20359.135403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20359.135403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20359.135403][ T7704] netlink_rcv_skb+0x130/0x360 [20359.135403][ T7704] netlink_unicast+0x449/0x710 [20359.135403][ T7704] netlink_sendmsg+0x723/0xbe0 [20359.135403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20359.135403][ T7704] ___sys_sendmsg+0xee/0x170 [20359.135403][ T7704] __sys_sendmsg+0xcd/0x170 [20359.135403][ T7704] do_syscall_64+0xc6/0x1e0 [20359.135403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20359.135403][ T7704] [20359.137670][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20359.137670][ T7704] netdev_get_by_index+0x5e/0x80 [20359.137670][ T7704] fib6_nh_init+0x3d8/0x15b0 [20359.137670][ T7704] ip6_route_info_create+0xf18/0x17d0 [20359.137670][ T7704] addrconf_f6i_alloc+0x315/0x560 [20359.137670][ T7704] ipv6_add_addr+0x411/0x2000 [20359.137670][ T7704] inet6_addr_add+0x30e/0xa40 [20359.137670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20359.137670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20359.137670][ T7704] netlink_rcv_skb+0x130/0x360 [20359.137670][ T7704] netlink_unicast+0x449/0x710 [20359.137670][ T7704] netlink_sendmsg+0x723/0xbe0 [20359.137670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20359.137670][ T7704] ___sys_sendmsg+0xee/0x170 [20359.137670][ T7704] __sys_sendmsg+0xcd/0x170 [20359.137670][ T7704] do_syscall_64+0xc6/0x1e0 [20359.137670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20359.137670][ T7704] [20359.139893][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20359.139893][ T7704] netdev_get_by_index+0x5e/0x80 [20359.139893][ T7704] fib6_nh_init+0x3d8/0x15b0 [20359.139893][ T7704] ip6_route_info_create+0xf18/0x17d0 [20359.139893][ T7704] ip6_route_add+0x1c/0x140 [20359.139893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20359.139893][ T7704] addrconf_add_dev+0xe2/0x170 [20359.139893][ T7704] inet6_addr_add+0x12f/0xa40 [20359.139893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20359.139893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20359.139893][ T7704] netlink_rcv_skb+0x130/0x360 [20359.139893][ T7704] netlink_unicast+0x449/0x710 [20359.139893][ T7704] netlink_sendmsg+0x723/0xbe0 [20359.139893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20359.139893][ T7704] ___sys_sendmsg+0xee/0x170 [20359.139893][ T7704] __sys_sendmsg+0xcd/0x170 [20359.139893][ T7704] do_syscall_64+0xc6/0x1e0 [20359.139893][ T7704] [20359.142075][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20359.142075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20359.142075][ T7704] ipv6_find_idev+0x102/0x170 [20359.142075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20359.142075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20359.142075][ T7704] netlink_rcv_skb+0x130/0x360 [20359.142075][ T7704] netlink_unicast+0x449/0x710 [20359.142075][ T7704] netlink_sendmsg+0x723/0xbe0 [20359.142075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20359.142075][ T7704] ___sys_sendmsg+0xee/0x170 [20359.142075][ T7704] __sys_sendmsg+0xcd/0x170 [20359.142075][ T7704] do_syscall_64+0xc6/0x1e0 [20359.142075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20359.142075][ T7704] [20359.143784][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20359.143784][ T7704] neigh_parms_alloc+0x1e5/0x510 [20359.143784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20359.143784][ T7704] ipv6_find_idev+0x102/0x170 [20359.143784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20359.143784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20359.143784][ T7704] netlink_rcv_skb+0x130/0x360 [20359.143784][ T7704] netlink_unicast+0x449/0x710 [20359.143784][ T7704] netlink_sendmsg+0x723/0xbe0 [20359.143784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20359.143784][ T7704] ___sys_sendmsg+0xee/0x170 [20359.143784][ T7704] __sys_sendmsg+0xcd/0x170 [20359.143784][ T7704] do_syscall_64+0xc6/0x1e0 [20359.143784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20359.143784][ T7704] [20369.382954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20369.383383][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20369.383383][ T7704] netdev_get_by_index+0x5e/0x80 [20369.383383][ T7704] fib6_nh_init+0x3d8/0x15b0 [20369.383383][ T7704] ip6_route_info_create+0xf18/0x17d0 [20369.383383][ T7704] ip6_route_add+0x1c/0x140 [20369.383383][ T7704] addrconf_prefix_route+0x2a6/0x430 [20369.383383][ T7704] inet6_addr_add+0x4f8/0xa40 [20369.383383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20369.383383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20369.383383][ T7704] netlink_rcv_skb+0x130/0x360 [20369.383383][ T7704] netlink_unicast+0x449/0x710 [20369.383383][ T7704] netlink_sendmsg+0x723/0xbe0 [20369.383383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20369.383383][ T7704] ___sys_sendmsg+0xee/0x170 [20369.383383][ T7704] __sys_sendmsg+0xcd/0x170 [20369.383383][ T7704] do_syscall_64+0xc6/0x1e0 [20369.383383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20369.383383][ T7704] [20369.385625][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20369.385625][ T7704] netdev_get_by_index+0x5e/0x80 [20369.385625][ T7704] fib6_nh_init+0x3d8/0x15b0 [20369.385625][ T7704] ip6_route_info_create+0xf18/0x17d0 [20369.385625][ T7704] addrconf_f6i_alloc+0x315/0x560 [20369.385625][ T7704] ipv6_add_addr+0x411/0x2000 [20369.385625][ T7704] inet6_addr_add+0x30e/0xa40 [20369.385625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20369.385625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20369.385625][ T7704] netlink_rcv_skb+0x130/0x360 [20369.385625][ T7704] netlink_unicast+0x449/0x710 [20369.385625][ T7704] netlink_sendmsg+0x723/0xbe0 [20369.385625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20369.385625][ T7704] ___sys_sendmsg+0xee/0x170 [20369.385625][ T7704] __sys_sendmsg+0xcd/0x170 [20369.385625][ T7704] do_syscall_64+0xc6/0x1e0 [20369.385625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20369.385625][ T7704] [20369.387857][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20369.387857][ T7704] netdev_get_by_index+0x5e/0x80 [20369.387857][ T7704] fib6_nh_init+0x3d8/0x15b0 [20369.387857][ T7704] ip6_route_info_create+0xf18/0x17d0 [20369.387857][ T7704] ip6_route_add+0x1c/0x140 [20369.387857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20369.387857][ T7704] addrconf_add_dev+0xe2/0x170 [20369.387857][ T7704] inet6_addr_add+0x12f/0xa40 [20369.387857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20369.387857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20369.387857][ T7704] netlink_rcv_skb+0x130/0x360 [20369.387857][ T7704] netlink_unicast+0x449/0x710 [20369.387857][ T7704] netlink_sendmsg+0x723/0xbe0 [20369.387857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20369.387857][ T7704] ___sys_sendmsg+0xee/0x170 [20369.387857][ T7704] __sys_sendmsg+0xcd/0x170 [20369.387857][ T7704] do_syscall_64+0xc6/0x1e0 [20369.387857][ T7704] [20369.390045][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20369.390045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20369.390045][ T7704] ipv6_find_idev+0x102/0x170 [20369.390045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20369.390045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20369.390045][ T7704] netlink_rcv_skb+0x130/0x360 [20369.390045][ T7704] netlink_unicast+0x449/0x710 [20369.390045][ T7704] netlink_sendmsg+0x723/0xbe0 [20369.390045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20369.390045][ T7704] ___sys_sendmsg+0xee/0x170 [20369.390045][ T7704] __sys_sendmsg+0xcd/0x170 [20369.390045][ T7704] do_syscall_64+0xc6/0x1e0 [20369.390045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20369.390045][ T7704] [20369.391757][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20369.391757][ T7704] neigh_parms_alloc+0x1e5/0x510 [20369.391757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20369.391757][ T7704] ipv6_find_idev+0x102/0x170 [20369.391757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20369.391757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20369.391757][ T7704] netlink_rcv_skb+0x130/0x360 [20369.391757][ T7704] netlink_unicast+0x449/0x710 [20369.391757][ T7704] netlink_sendmsg+0x723/0xbe0 [20369.391757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20369.391757][ T7704] ___sys_sendmsg+0xee/0x170 [20369.391757][ T7704] __sys_sendmsg+0xcd/0x170 [20369.391757][ T7704] do_syscall_64+0xc6/0x1e0 [20369.391757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20369.391757][ T7704] [20379.494938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20379.495476][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20379.495476][ T7704] netdev_get_by_index+0x5e/0x80 [20379.495476][ T7704] fib6_nh_init+0x3d8/0x15b0 [20379.495476][ T7704] ip6_route_info_create+0xf18/0x17d0 [20379.495476][ T7704] ip6_route_add+0x1c/0x140 [20379.495476][ T7704] addrconf_prefix_route+0x2a6/0x430 [20379.495476][ T7704] inet6_addr_add+0x4f8/0xa40 [20379.495476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20379.495476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20379.495476][ T7704] netlink_rcv_skb+0x130/0x360 [20379.495476][ T7704] netlink_unicast+0x449/0x710 [20379.495476][ T7704] netlink_sendmsg+0x723/0xbe0 [20379.495476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20379.495476][ T7704] ___sys_sendmsg+0xee/0x170 [20379.495476][ T7704] __sys_sendmsg+0xcd/0x170 [20379.495476][ T7704] do_syscall_64+0xc6/0x1e0 [20379.495476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20379.495476][ T7704] [20379.497772][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20379.497772][ T7704] netdev_get_by_index+0x5e/0x80 [20379.497772][ T7704] fib6_nh_init+0x3d8/0x15b0 [20379.497772][ T7704] ip6_route_info_create+0xf18/0x17d0 [20379.497772][ T7704] addrconf_f6i_alloc+0x315/0x560 [20379.497772][ T7704] ipv6_add_addr+0x411/0x2000 [20379.497772][ T7704] inet6_addr_add+0x30e/0xa40 [20379.497772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20379.497772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20379.497772][ T7704] netlink_rcv_skb+0x130/0x360 [20379.497772][ T7704] netlink_unicast+0x449/0x710 [20379.497772][ T7704] netlink_sendmsg+0x723/0xbe0 [20379.497772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20379.497772][ T7704] ___sys_sendmsg+0xee/0x170 [20379.497772][ T7704] __sys_sendmsg+0xcd/0x170 [20379.497772][ T7704] do_syscall_64+0xc6/0x1e0 [20379.497772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20379.497772][ T7704] [20379.499985][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20379.499985][ T7704] netdev_get_by_index+0x5e/0x80 [20379.499985][ T7704] fib6_nh_init+0x3d8/0x15b0 [20379.499985][ T7704] ip6_route_info_create+0xf18/0x17d0 [20379.499985][ T7704] ip6_route_add+0x1c/0x140 [20379.499985][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20379.499985][ T7704] addrconf_add_dev+0xe2/0x170 [20379.499985][ T7704] inet6_addr_add+0x12f/0xa40 [20379.499985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20379.499985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20379.499985][ T7704] netlink_rcv_skb+0x130/0x360 [20379.499985][ T7704] netlink_unicast+0x449/0x710 [20379.499985][ T7704] netlink_sendmsg+0x723/0xbe0 [20379.499985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20379.499985][ T7704] ___sys_sendmsg+0xee/0x170 [20379.499985][ T7704] __sys_sendmsg+0xcd/0x170 [20379.499985][ T7704] do_syscall_64+0xc6/0x1e0 [20379.499985][ T7704] [20379.502169][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20379.502169][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20379.502169][ T7704] ipv6_find_idev+0x102/0x170 [20379.502169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20379.502169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20379.502169][ T7704] netlink_rcv_skb+0x130/0x360 [20379.502169][ T7704] netlink_unicast+0x449/0x710 [20379.502169][ T7704] netlink_sendmsg+0x723/0xbe0 [20379.502169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20379.502169][ T7704] ___sys_sendmsg+0xee/0x170 [20379.502169][ T7704] __sys_sendmsg+0xcd/0x170 [20379.502169][ T7704] do_syscall_64+0xc6/0x1e0 [20379.502169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20379.502169][ T7704] [20379.503879][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20379.503879][ T7704] neigh_parms_alloc+0x1e5/0x510 [20379.503879][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20379.503879][ T7704] ipv6_find_idev+0x102/0x170 [20379.503879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20379.503879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20379.503879][ T7704] netlink_rcv_skb+0x130/0x360 [20379.503879][ T7704] netlink_unicast+0x449/0x710 [20379.503879][ T7704] netlink_sendmsg+0x723/0xbe0 [20379.503879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20379.503879][ T7704] ___sys_sendmsg+0xee/0x170 [20379.503879][ T7704] __sys_sendmsg+0xcd/0x170 [20379.503879][ T7704] do_syscall_64+0xc6/0x1e0 [20379.503879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20379.503879][ T7704] [20389.742947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20389.743421][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20389.743421][ T7704] netdev_get_by_index+0x5e/0x80 [20389.743421][ T7704] fib6_nh_init+0x3d8/0x15b0 [20389.743421][ T7704] ip6_route_info_create+0xf18/0x17d0 [20389.743421][ T7704] ip6_route_add+0x1c/0x140 [20389.743421][ T7704] addrconf_prefix_route+0x2a6/0x430 [20389.743421][ T7704] inet6_addr_add+0x4f8/0xa40 [20389.743421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20389.743421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20389.743421][ T7704] netlink_rcv_skb+0x130/0x360 [20389.743421][ T7704] netlink_unicast+0x449/0x710 [20389.743421][ T7704] netlink_sendmsg+0x723/0xbe0 [20389.743421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20389.743421][ T7704] ___sys_sendmsg+0xee/0x170 [20389.743421][ T7704] __sys_sendmsg+0xcd/0x170 [20389.743421][ T7704] do_syscall_64+0xc6/0x1e0 [20389.743421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20389.743421][ T7704] [20389.745687][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20389.745687][ T7704] netdev_get_by_index+0x5e/0x80 [20389.745687][ T7704] fib6_nh_init+0x3d8/0x15b0 [20389.745687][ T7704] ip6_route_info_create+0xf18/0x17d0 [20389.745687][ T7704] addrconf_f6i_alloc+0x315/0x560 [20389.745687][ T7704] ipv6_add_addr+0x411/0x2000 [20389.745687][ T7704] inet6_addr_add+0x30e/0xa40 [20389.745687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20389.745687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20389.745687][ T7704] netlink_rcv_skb+0x130/0x360 [20389.745687][ T7704] netlink_unicast+0x449/0x710 [20389.745687][ T7704] netlink_sendmsg+0x723/0xbe0 [20389.745687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20389.745687][ T7704] ___sys_sendmsg+0xee/0x170 [20389.745687][ T7704] __sys_sendmsg+0xcd/0x170 [20389.745687][ T7704] do_syscall_64+0xc6/0x1e0 [20389.745687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20389.745687][ T7704] [20389.747914][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20389.747914][ T7704] netdev_get_by_index+0x5e/0x80 [20389.747914][ T7704] fib6_nh_init+0x3d8/0x15b0 [20389.747914][ T7704] ip6_route_info_create+0xf18/0x17d0 [20389.747914][ T7704] ip6_route_add+0x1c/0x140 [20389.747914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20389.747914][ T7704] addrconf_add_dev+0xe2/0x170 [20389.747914][ T7704] inet6_addr_add+0x12f/0xa40 [20389.747914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20389.747914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20389.747914][ T7704] netlink_rcv_skb+0x130/0x360 [20389.747914][ T7704] netlink_unicast+0x449/0x710 [20389.747914][ T7704] netlink_sendmsg+0x723/0xbe0 [20389.747914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20389.747914][ T7704] ___sys_sendmsg+0xee/0x170 [20389.747914][ T7704] __sys_sendmsg+0xcd/0x170 [20389.747914][ T7704] do_syscall_64+0xc6/0x1e0 [20389.747914][ T7704] [20389.750103][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20389.750103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20389.750103][ T7704] ipv6_find_idev+0x102/0x170 [20389.750103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20389.750103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20389.750103][ T7704] netlink_rcv_skb+0x130/0x360 [20389.750103][ T7704] netlink_unicast+0x449/0x710 [20389.750103][ T7704] netlink_sendmsg+0x723/0xbe0 [20389.750103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20389.750103][ T7704] ___sys_sendmsg+0xee/0x170 [20389.750103][ T7704] __sys_sendmsg+0xcd/0x170 [20389.750103][ T7704] do_syscall_64+0xc6/0x1e0 [20389.750103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20389.750103][ T7704] [20389.751818][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20389.751818][ T7704] neigh_parms_alloc+0x1e5/0x510 [20389.751818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20389.751818][ T7704] ipv6_find_idev+0x102/0x170 [20389.751818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20389.751818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20389.751818][ T7704] netlink_rcv_skb+0x130/0x360 [20389.751818][ T7704] netlink_unicast+0x449/0x710 [20389.751818][ T7704] netlink_sendmsg+0x723/0xbe0 [20389.751818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20389.751818][ T7704] ___sys_sendmsg+0xee/0x170 [20389.751818][ T7704] __sys_sendmsg+0xcd/0x170 [20389.751818][ T7704] do_syscall_64+0xc6/0x1e0 [20389.751818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20389.751818][ T7704] [20399.990939][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20399.991453][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20399.991453][ T7704] netdev_get_by_index+0x5e/0x80 [20399.991453][ T7704] fib6_nh_init+0x3d8/0x15b0 [20399.991453][ T7704] ip6_route_info_create+0xf18/0x17d0 [20399.991453][ T7704] ip6_route_add+0x1c/0x140 [20399.991453][ T7704] addrconf_prefix_route+0x2a6/0x430 [20399.991453][ T7704] inet6_addr_add+0x4f8/0xa40 [20399.991453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20399.991453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20399.991453][ T7704] netlink_rcv_skb+0x130/0x360 [20399.991453][ T7704] netlink_unicast+0x449/0x710 [20399.991453][ T7704] netlink_sendmsg+0x723/0xbe0 [20399.991453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20399.991453][ T7704] ___sys_sendmsg+0xee/0x170 [20399.991453][ T7704] __sys_sendmsg+0xcd/0x170 [20399.991453][ T7704] do_syscall_64+0xc6/0x1e0 [20399.991453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20399.991453][ T7704] [20399.993781][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20399.993781][ T7704] netdev_get_by_index+0x5e/0x80 [20399.993781][ T7704] fib6_nh_init+0x3d8/0x15b0 [20399.993781][ T7704] ip6_route_info_create+0xf18/0x17d0 [20399.993781][ T7704] addrconf_f6i_alloc+0x315/0x560 [20399.993781][ T7704] ipv6_add_addr+0x411/0x2000 [20399.993781][ T7704] inet6_addr_add+0x30e/0xa40 [20399.993781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20399.993781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20399.993781][ T7704] netlink_rcv_skb+0x130/0x360 [20399.993781][ T7704] netlink_unicast+0x449/0x710 [20399.993781][ T7704] netlink_sendmsg+0x723/0xbe0 [20399.993781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20399.993781][ T7704] ___sys_sendmsg+0xee/0x170 [20399.993781][ T7704] __sys_sendmsg+0xcd/0x170 [20399.993781][ T7704] do_syscall_64+0xc6/0x1e0 [20399.993781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20399.993781][ T7704] [20399.996094][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20399.996094][ T7704] netdev_get_by_index+0x5e/0x80 [20399.996094][ T7704] fib6_nh_init+0x3d8/0x15b0 [20399.996094][ T7704] ip6_route_info_create+0xf18/0x17d0 [20399.996094][ T7704] ip6_route_add+0x1c/0x140 [20399.996094][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20399.996094][ T7704] addrconf_add_dev+0xe2/0x170 [20399.996094][ T7704] inet6_addr_add+0x12f/0xa40 [20399.996094][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20399.996094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20399.996094][ T7704] netlink_rcv_skb+0x130/0x360 [20399.996094][ T7704] netlink_unicast+0x449/0x710 [20399.996094][ T7704] netlink_sendmsg+0x723/0xbe0 [20399.996094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20399.996094][ T7704] ___sys_sendmsg+0xee/0x170 [20399.996094][ T7704] __sys_sendmsg+0xcd/0x170 [20399.996094][ T7704] do_syscall_64+0xc6/0x1e0 [20399.996094][ T7704] [20399.998355][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20399.998355][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20399.998355][ T7704] ipv6_find_idev+0x102/0x170 [20399.998355][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20399.998355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20399.998355][ T7704] netlink_rcv_skb+0x130/0x360 [20399.998355][ T7704] netlink_unicast+0x449/0x710 [20399.998355][ T7704] netlink_sendmsg+0x723/0xbe0 [20399.998355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20399.998355][ T7704] ___sys_sendmsg+0xee/0x170 [20399.998355][ T7704] __sys_sendmsg+0xcd/0x170 [20399.998355][ T7704] do_syscall_64+0xc6/0x1e0 [20399.998355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20399.998355][ T7704] [20400.000125][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20400.000125][ T7704] neigh_parms_alloc+0x1e5/0x510 [20400.000125][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20400.000125][ T7704] ipv6_find_idev+0x102/0x170 [20400.000125][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20400.000125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20400.000125][ T7704] netlink_rcv_skb+0x130/0x360 [20400.000125][ T7704] netlink_unicast+0x449/0x710 [20400.000125][ T7704] netlink_sendmsg+0x723/0xbe0 [20400.000125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20400.000125][ T7704] ___sys_sendmsg+0xee/0x170 [20400.000125][ T7704] __sys_sendmsg+0xcd/0x170 [20400.000125][ T7704] do_syscall_64+0xc6/0x1e0 [20400.000125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20400.000125][ T7704] [20410.238929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20410.239434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20410.239434][ T7704] netdev_get_by_index+0x5e/0x80 [20410.239434][ T7704] fib6_nh_init+0x3d8/0x15b0 [20410.239434][ T7704] ip6_route_info_create+0xf18/0x17d0 [20410.239434][ T7704] ip6_route_add+0x1c/0x140 [20410.239434][ T7704] addrconf_prefix_route+0x2a6/0x430 [20410.239434][ T7704] inet6_addr_add+0x4f8/0xa40 [20410.239434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20410.239434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20410.239434][ T7704] netlink_rcv_skb+0x130/0x360 [20410.239434][ T7704] netlink_unicast+0x449/0x710 [20410.239434][ T7704] netlink_sendmsg+0x723/0xbe0 [20410.239434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20410.239434][ T7704] ___sys_sendmsg+0xee/0x170 [20410.239434][ T7704] __sys_sendmsg+0xcd/0x170 [20410.239434][ T7704] do_syscall_64+0xc6/0x1e0 [20410.239434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20410.239434][ T7704] [20410.241825][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20410.241825][ T7704] netdev_get_by_index+0x5e/0x80 [20410.241825][ T7704] fib6_nh_init+0x3d8/0x15b0 [20410.241825][ T7704] ip6_route_info_create+0xf18/0x17d0 [20410.241825][ T7704] addrconf_f6i_alloc+0x315/0x560 [20410.241825][ T7704] ipv6_add_addr+0x411/0x2000 [20410.241825][ T7704] inet6_addr_add+0x30e/0xa40 [20410.241825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20410.241825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20410.241825][ T7704] netlink_rcv_skb+0x130/0x360 [20410.241825][ T7704] netlink_unicast+0x449/0x710 [20410.241825][ T7704] netlink_sendmsg+0x723/0xbe0 [20410.241825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20410.241825][ T7704] ___sys_sendmsg+0xee/0x170 [20410.241825][ T7704] __sys_sendmsg+0xcd/0x170 [20410.241825][ T7704] do_syscall_64+0xc6/0x1e0 [20410.241825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20410.241825][ T7704] [20410.244135][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20410.244135][ T7704] netdev_get_by_index+0x5e/0x80 [20410.244135][ T7704] fib6_nh_init+0x3d8/0x15b0 [20410.244135][ T7704] ip6_route_info_create+0xf18/0x17d0 [20410.244135][ T7704] ip6_route_add+0x1c/0x140 [20410.244135][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20410.244135][ T7704] addrconf_add_dev+0xe2/0x170 [20410.244135][ T7704] inet6_addr_add+0x12f/0xa40 [20410.244135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20410.244135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20410.244135][ T7704] netlink_rcv_skb+0x130/0x360 [20410.244135][ T7704] netlink_unicast+0x449/0x710 [20410.244135][ T7704] netlink_sendmsg+0x723/0xbe0 [20410.244135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20410.244135][ T7704] ___sys_sendmsg+0xee/0x170 [20410.244135][ T7704] __sys_sendmsg+0xcd/0x170 [20410.244135][ T7704] do_syscall_64+0xc6/0x1e0 [20410.244135][ T7704] [20410.246402][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20410.246402][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20410.246402][ T7704] ipv6_find_idev+0x102/0x170 [20410.246402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20410.246402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20410.246402][ T7704] netlink_rcv_skb+0x130/0x360 [20410.246402][ T7704] netlink_unicast+0x449/0x710 [20410.246402][ T7704] netlink_sendmsg+0x723/0xbe0 [20410.246402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20410.246402][ T7704] ___sys_sendmsg+0xee/0x170 [20410.246402][ T7704] __sys_sendmsg+0xcd/0x170 [20410.246402][ T7704] do_syscall_64+0xc6/0x1e0 [20410.246402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20410.246402][ T7704] [20410.248170][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20410.248170][ T7704] neigh_parms_alloc+0x1e5/0x510 [20410.248170][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20410.248170][ T7704] ipv6_find_idev+0x102/0x170 [20410.248170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20410.248170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20410.248170][ T7704] netlink_rcv_skb+0x130/0x360 [20410.248170][ T7704] netlink_unicast+0x449/0x710 [20410.248170][ T7704] netlink_sendmsg+0x723/0xbe0 [20410.248170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20410.248170][ T7704] ___sys_sendmsg+0xee/0x170 [20410.248170][ T7704] __sys_sendmsg+0xcd/0x170 [20410.248170][ T7704] do_syscall_64+0xc6/0x1e0 [20410.248170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20410.248170][ T7704] [20420.487006][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20420.487493][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20420.487493][ T7704] netdev_get_by_index+0x5e/0x80 [20420.487493][ T7704] fib6_nh_init+0x3d8/0x15b0 [20420.487493][ T7704] ip6_route_info_create+0xf18/0x17d0 [20420.487493][ T7704] ip6_route_add+0x1c/0x140 [20420.487493][ T7704] addrconf_prefix_route+0x2a6/0x430 [20420.487493][ T7704] inet6_addr_add+0x4f8/0xa40 [20420.487493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20420.487493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20420.487493][ T7704] netlink_rcv_skb+0x130/0x360 [20420.487493][ T7704] netlink_unicast+0x449/0x710 [20420.487493][ T7704] netlink_sendmsg+0x723/0xbe0 [20420.487493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20420.487493][ T7704] ___sys_sendmsg+0xee/0x170 [20420.487493][ T7704] __sys_sendmsg+0xcd/0x170 [20420.487493][ T7704] do_syscall_64+0xc6/0x1e0 [20420.487493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20420.487493][ T7704] [20420.489796][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20420.489796][ T7704] netdev_get_by_index+0x5e/0x80 [20420.489796][ T7704] fib6_nh_init+0x3d8/0x15b0 [20420.489796][ T7704] ip6_route_info_create+0xf18/0x17d0 [20420.489796][ T7704] addrconf_f6i_alloc+0x315/0x560 [20420.489796][ T7704] ipv6_add_addr+0x411/0x2000 [20420.489796][ T7704] inet6_addr_add+0x30e/0xa40 [20420.489796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20420.489796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20420.489796][ T7704] netlink_rcv_skb+0x130/0x360 [20420.489796][ T7704] netlink_unicast+0x449/0x710 [20420.489796][ T7704] netlink_sendmsg+0x723/0xbe0 [20420.489796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20420.489796][ T7704] ___sys_sendmsg+0xee/0x170 [20420.489796][ T7704] __sys_sendmsg+0xcd/0x170 [20420.489796][ T7704] do_syscall_64+0xc6/0x1e0 [20420.489796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20420.489796][ T7704] [20420.492067][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20420.492067][ T7704] netdev_get_by_index+0x5e/0x80 [20420.492067][ T7704] fib6_nh_init+0x3d8/0x15b0 [20420.492067][ T7704] ip6_route_info_create+0xf18/0x17d0 [20420.492067][ T7704] ip6_route_add+0x1c/0x140 [20420.492067][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20420.492067][ T7704] addrconf_add_dev+0xe2/0x170 [20420.492067][ T7704] inet6_addr_add+0x12f/0xa40 [20420.492067][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20420.492067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20420.492067][ T7704] netlink_rcv_skb+0x130/0x360 [20420.492067][ T7704] netlink_unicast+0x449/0x710 [20420.492067][ T7704] netlink_sendmsg+0x723/0xbe0 [20420.492067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20420.492067][ T7704] ___sys_sendmsg+0xee/0x170 [20420.492067][ T7704] __sys_sendmsg+0xcd/0x170 [20420.492067][ T7704] do_syscall_64+0xc6/0x1e0 [20420.492067][ T7704] [20420.494312][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20420.494312][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20420.494312][ T7704] ipv6_find_idev+0x102/0x170 [20420.494312][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20420.494312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20420.494312][ T7704] netlink_rcv_skb+0x130/0x360 [20420.494312][ T7704] netlink_unicast+0x449/0x710 [20420.494312][ T7704] netlink_sendmsg+0x723/0xbe0 [20420.494312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20420.494312][ T7704] ___sys_sendmsg+0xee/0x170 [20420.494312][ T7704] __sys_sendmsg+0xcd/0x170 [20420.494312][ T7704] do_syscall_64+0xc6/0x1e0 [20420.494312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20420.494312][ T7704] [20420.496080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20420.496080][ T7704] neigh_parms_alloc+0x1e5/0x510 [20420.496080][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20420.496080][ T7704] ipv6_find_idev+0x102/0x170 [20420.496080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20420.496080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20420.496080][ T7704] netlink_rcv_skb+0x130/0x360 [20420.496080][ T7704] netlink_unicast+0x449/0x710 [20420.496080][ T7704] netlink_sendmsg+0x723/0xbe0 [20420.496080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20420.496080][ T7704] ___sys_sendmsg+0xee/0x170 [20420.496080][ T7704] __sys_sendmsg+0xcd/0x170 [20420.496080][ T7704] do_syscall_64+0xc6/0x1e0 [20420.496080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20420.496080][ T7704] [20430.839015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20430.839508][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20430.839508][ T7704] netdev_get_by_index+0x5e/0x80 [20430.839508][ T7704] fib6_nh_init+0x3d8/0x15b0 [20430.839508][ T7704] ip6_route_info_create+0xf18/0x17d0 [20430.839508][ T7704] ip6_route_add+0x1c/0x140 [20430.839508][ T7704] addrconf_prefix_route+0x2a6/0x430 [20430.839508][ T7704] inet6_addr_add+0x4f8/0xa40 [20430.839508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20430.839508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20430.839508][ T7704] netlink_rcv_skb+0x130/0x360 [20430.839508][ T7704] netlink_unicast+0x449/0x710 [20430.839508][ T7704] netlink_sendmsg+0x723/0xbe0 [20430.839508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20430.839508][ T7704] ___sys_sendmsg+0xee/0x170 [20430.839508][ T7704] __sys_sendmsg+0xcd/0x170 [20430.839508][ T7704] do_syscall_64+0xc6/0x1e0 [20430.839508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20430.839508][ T7704] [20430.841791][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20430.841791][ T7704] netdev_get_by_index+0x5e/0x80 [20430.841791][ T7704] fib6_nh_init+0x3d8/0x15b0 [20430.841791][ T7704] ip6_route_info_create+0xf18/0x17d0 [20430.841791][ T7704] addrconf_f6i_alloc+0x315/0x560 [20430.841791][ T7704] ipv6_add_addr+0x411/0x2000 [20430.841791][ T7704] inet6_addr_add+0x30e/0xa40 [20430.841791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20430.841791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20430.841791][ T7704] netlink_rcv_skb+0x130/0x360 [20430.841791][ T7704] netlink_unicast+0x449/0x710 [20430.841791][ T7704] netlink_sendmsg+0x723/0xbe0 [20430.841791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20430.841791][ T7704] ___sys_sendmsg+0xee/0x170 [20430.841791][ T7704] __sys_sendmsg+0xcd/0x170 [20430.841791][ T7704] do_syscall_64+0xc6/0x1e0 [20430.841791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20430.841791][ T7704] [20430.844057][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20430.844057][ T7704] netdev_get_by_index+0x5e/0x80 [20430.844057][ T7704] fib6_nh_init+0x3d8/0x15b0 [20430.844057][ T7704] ip6_route_info_create+0xf18/0x17d0 [20430.844057][ T7704] ip6_route_add+0x1c/0x140 [20430.844057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20430.844057][ T7704] addrconf_add_dev+0xe2/0x170 [20430.844057][ T7704] inet6_addr_add+0x12f/0xa40 [20430.844057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20430.844057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20430.844057][ T7704] netlink_rcv_skb+0x130/0x360 [20430.844057][ T7704] netlink_unicast+0x449/0x710 [20430.844057][ T7704] netlink_sendmsg+0x723/0xbe0 [20430.844057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20430.844057][ T7704] ___sys_sendmsg+0xee/0x170 [20430.844057][ T7704] __sys_sendmsg+0xcd/0x170 [20430.844057][ T7704] do_syscall_64+0xc6/0x1e0 [20430.844057][ T7704] [20430.846302][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20430.846302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20430.846302][ T7704] ipv6_find_idev+0x102/0x170 [20430.846302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20430.846302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20430.846302][ T7704] netlink_rcv_skb+0x130/0x360 [20430.846302][ T7704] netlink_unicast+0x449/0x710 [20430.846302][ T7704] netlink_sendmsg+0x723/0xbe0 [20430.846302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20430.846302][ T7704] ___sys_sendmsg+0xee/0x170 [20430.846302][ T7704] __sys_sendmsg+0xcd/0x170 [20430.846302][ T7704] do_syscall_64+0xc6/0x1e0 [20430.846302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20430.846302][ T7704] [20430.848046][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20430.848046][ T7704] neigh_parms_alloc+0x1e5/0x510 [20430.848046][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20430.848046][ T7704] ipv6_find_idev+0x102/0x170 [20430.848046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20430.848046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20430.848046][ T7704] netlink_rcv_skb+0x130/0x360 [20430.848046][ T7704] netlink_unicast+0x449/0x710 [20430.848046][ T7704] netlink_sendmsg+0x723/0xbe0 [20430.848046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20430.848046][ T7704] ___sys_sendmsg+0xee/0x170 [20430.848046][ T7704] __sys_sendmsg+0xcd/0x170 [20430.848046][ T7704] do_syscall_64+0xc6/0x1e0 [20430.848046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20430.848046][ T7704] [20441.086931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20441.087425][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20441.087425][ T7704] netdev_get_by_index+0x5e/0x80 [20441.087425][ T7704] fib6_nh_init+0x3d8/0x15b0 [20441.087425][ T7704] ip6_route_info_create+0xf18/0x17d0 [20441.087425][ T7704] ip6_route_add+0x1c/0x140 [20441.087425][ T7704] addrconf_prefix_route+0x2a6/0x430 [20441.087425][ T7704] inet6_addr_add+0x4f8/0xa40 [20441.087425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20441.087425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20441.087425][ T7704] netlink_rcv_skb+0x130/0x360 [20441.087425][ T7704] netlink_unicast+0x449/0x710 [20441.087425][ T7704] netlink_sendmsg+0x723/0xbe0 [20441.087425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20441.087425][ T7704] ___sys_sendmsg+0xee/0x170 [20441.087425][ T7704] __sys_sendmsg+0xcd/0x170 [20441.087425][ T7704] do_syscall_64+0xc6/0x1e0 [20441.087425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20441.087425][ T7704] [20441.089712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20441.089712][ T7704] netdev_get_by_index+0x5e/0x80 [20441.089712][ T7704] fib6_nh_init+0x3d8/0x15b0 [20441.089712][ T7704] ip6_route_info_create+0xf18/0x17d0 [20441.089712][ T7704] addrconf_f6i_alloc+0x315/0x560 [20441.089712][ T7704] ipv6_add_addr+0x411/0x2000 [20441.089712][ T7704] inet6_addr_add+0x30e/0xa40 [20441.089712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20441.089712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20441.089712][ T7704] netlink_rcv_skb+0x130/0x360 [20441.089712][ T7704] netlink_unicast+0x449/0x710 [20441.089712][ T7704] netlink_sendmsg+0x723/0xbe0 [20441.089712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20441.089712][ T7704] ___sys_sendmsg+0xee/0x170 [20441.089712][ T7704] __sys_sendmsg+0xcd/0x170 [20441.089712][ T7704] do_syscall_64+0xc6/0x1e0 [20441.089712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20441.089712][ T7704] [20441.091983][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20441.091983][ T7704] netdev_get_by_index+0x5e/0x80 [20441.091983][ T7704] fib6_nh_init+0x3d8/0x15b0 [20441.091983][ T7704] ip6_route_info_create+0xf18/0x17d0 [20441.091983][ T7704] ip6_route_add+0x1c/0x140 [20441.091983][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20441.091983][ T7704] addrconf_add_dev+0xe2/0x170 [20441.091983][ T7704] inet6_addr_add+0x12f/0xa40 [20441.091983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20441.091983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20441.091983][ T7704] netlink_rcv_skb+0x130/0x360 [20441.091983][ T7704] netlink_unicast+0x449/0x710 [20441.091983][ T7704] netlink_sendmsg+0x723/0xbe0 [20441.091983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20441.091983][ T7704] ___sys_sendmsg+0xee/0x170 [20441.091983][ T7704] __sys_sendmsg+0xcd/0x170 [20441.091983][ T7704] do_syscall_64+0xc6/0x1e0 [20441.091983][ T7704] [20441.094213][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20441.094213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20441.094213][ T7704] ipv6_find_idev+0x102/0x170 [20441.094213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20441.094213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20441.094213][ T7704] netlink_rcv_skb+0x130/0x360 [20441.094213][ T7704] netlink_unicast+0x449/0x710 [20441.094213][ T7704] netlink_sendmsg+0x723/0xbe0 [20441.094213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20441.094213][ T7704] ___sys_sendmsg+0xee/0x170 [20441.094213][ T7704] __sys_sendmsg+0xcd/0x170 [20441.094213][ T7704] do_syscall_64+0xc6/0x1e0 [20441.094213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20441.094213][ T7704] [20441.095984][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20441.095984][ T7704] neigh_parms_alloc+0x1e5/0x510 [20441.095984][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20441.095984][ T7704] ipv6_find_idev+0x102/0x170 [20441.095984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20441.095984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20441.095984][ T7704] netlink_rcv_skb+0x130/0x360 [20441.095984][ T7704] netlink_unicast+0x449/0x710 [20441.095984][ T7704] netlink_sendmsg+0x723/0xbe0 [20441.095984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20441.095984][ T7704] ___sys_sendmsg+0xee/0x170 [20441.095984][ T7704] __sys_sendmsg+0xcd/0x170 [20441.095984][ T7704] do_syscall_64+0xc6/0x1e0 [20441.095984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20441.095984][ T7704] [20451.190954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20451.191399][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20451.191399][ T7704] netdev_get_by_index+0x5e/0x80 [20451.191399][ T7704] fib6_nh_init+0x3d8/0x15b0 [20451.191399][ T7704] ip6_route_info_create+0xf18/0x17d0 [20451.191399][ T7704] ip6_route_add+0x1c/0x140 [20451.191399][ T7704] addrconf_prefix_route+0x2a6/0x430 [20451.191399][ T7704] inet6_addr_add+0x4f8/0xa40 [20451.191399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20451.191399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20451.191399][ T7704] netlink_rcv_skb+0x130/0x360 [20451.191399][ T7704] netlink_unicast+0x449/0x710 [20451.191399][ T7704] netlink_sendmsg+0x723/0xbe0 [20451.191399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20451.191399][ T7704] ___sys_sendmsg+0xee/0x170 [20451.191399][ T7704] __sys_sendmsg+0xcd/0x170 [20451.191399][ T7704] do_syscall_64+0xc6/0x1e0 [20451.191399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20451.191399][ T7704] [20451.193712][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20451.193712][ T7704] netdev_get_by_index+0x5e/0x80 [20451.193712][ T7704] fib6_nh_init+0x3d8/0x15b0 [20451.193712][ T7704] ip6_route_info_create+0xf18/0x17d0 [20451.193712][ T7704] addrconf_f6i_alloc+0x315/0x560 [20451.193712][ T7704] ipv6_add_addr+0x411/0x2000 [20451.193712][ T7704] inet6_addr_add+0x30e/0xa40 [20451.193712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20451.193712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20451.193712][ T7704] netlink_rcv_skb+0x130/0x360 [20451.193712][ T7704] netlink_unicast+0x449/0x710 [20451.193712][ T7704] netlink_sendmsg+0x723/0xbe0 [20451.193712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20451.193712][ T7704] ___sys_sendmsg+0xee/0x170 [20451.193712][ T7704] __sys_sendmsg+0xcd/0x170 [20451.193712][ T7704] do_syscall_64+0xc6/0x1e0 [20451.193712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20451.193712][ T7704] [20451.196017][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20451.196017][ T7704] netdev_get_by_index+0x5e/0x80 [20451.196017][ T7704] fib6_nh_init+0x3d8/0x15b0 [20451.196017][ T7704] ip6_route_info_create+0xf18/0x17d0 [20451.196017][ T7704] ip6_route_add+0x1c/0x140 [20451.196017][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20451.196017][ T7704] addrconf_add_dev+0xe2/0x170 [20451.196017][ T7704] inet6_addr_add+0x12f/0xa40 [20451.196017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20451.196017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20451.196017][ T7704] netlink_rcv_skb+0x130/0x360 [20451.196017][ T7704] netlink_unicast+0x449/0x710 [20451.196017][ T7704] netlink_sendmsg+0x723/0xbe0 [20451.196017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20451.196017][ T7704] ___sys_sendmsg+0xee/0x170 [20451.196017][ T7704] __sys_sendmsg+0xcd/0x170 [20451.196017][ T7704] do_syscall_64+0xc6/0x1e0 [20451.196017][ T7704] [20451.198266][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20451.198266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20451.198266][ T7704] ipv6_find_idev+0x102/0x170 [20451.198266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20451.198266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20451.198266][ T7704] netlink_rcv_skb+0x130/0x360 [20451.198266][ T7704] netlink_unicast+0x449/0x710 [20451.198266][ T7704] netlink_sendmsg+0x723/0xbe0 [20451.198266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20451.198266][ T7704] ___sys_sendmsg+0xee/0x170 [20451.198266][ T7704] __sys_sendmsg+0xcd/0x170 [20451.198266][ T7704] do_syscall_64+0xc6/0x1e0 [20451.198266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20451.198266][ T7704] [20451.200031][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20451.200031][ T7704] neigh_parms_alloc+0x1e5/0x510 [20451.200031][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20451.200031][ T7704] ipv6_find_idev+0x102/0x170 [20451.200031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20451.200031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20451.200031][ T7704] netlink_rcv_skb+0x130/0x360 [20451.200031][ T7704] netlink_unicast+0x449/0x710 [20451.200031][ T7704] netlink_sendmsg+0x723/0xbe0 [20451.200031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20451.200031][ T7704] ___sys_sendmsg+0xee/0x170 [20451.200031][ T7704] __sys_sendmsg+0xcd/0x170 [20451.200031][ T7704] do_syscall_64+0xc6/0x1e0 [20451.200031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20451.200031][ T7704] [20461.438977][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20461.439505][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20461.439505][ T7704] netdev_get_by_index+0x5e/0x80 [20461.439505][ T7704] fib6_nh_init+0x3d8/0x15b0 [20461.439505][ T7704] ip6_route_info_create+0xf18/0x17d0 [20461.439505][ T7704] ip6_route_add+0x1c/0x140 [20461.439505][ T7704] addrconf_prefix_route+0x2a6/0x430 [20461.439505][ T7704] inet6_addr_add+0x4f8/0xa40 [20461.439505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20461.439505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20461.439505][ T7704] netlink_rcv_skb+0x130/0x360 [20461.439505][ T7704] netlink_unicast+0x449/0x710 [20461.439505][ T7704] netlink_sendmsg+0x723/0xbe0 [20461.439505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20461.439505][ T7704] ___sys_sendmsg+0xee/0x170 [20461.439505][ T7704] __sys_sendmsg+0xcd/0x170 [20461.439505][ T7704] do_syscall_64+0xc6/0x1e0 [20461.439505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20461.439505][ T7704] [20461.441849][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20461.441849][ T7704] netdev_get_by_index+0x5e/0x80 [20461.441849][ T7704] fib6_nh_init+0x3d8/0x15b0 [20461.441849][ T7704] ip6_route_info_create+0xf18/0x17d0 [20461.441849][ T7704] addrconf_f6i_alloc+0x315/0x560 [20461.441849][ T7704] ipv6_add_addr+0x411/0x2000 [20461.441849][ T7704] inet6_addr_add+0x30e/0xa40 [20461.441849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20461.441849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20461.441849][ T7704] netlink_rcv_skb+0x130/0x360 [20461.441849][ T7704] netlink_unicast+0x449/0x710 [20461.441849][ T7704] netlink_sendmsg+0x723/0xbe0 [20461.441849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20461.441849][ T7704] ___sys_sendmsg+0xee/0x170 [20461.441849][ T7704] __sys_sendmsg+0xcd/0x170 [20461.441849][ T7704] do_syscall_64+0xc6/0x1e0 [20461.441849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20461.441849][ T7704] [20461.444159][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20461.444159][ T7704] netdev_get_by_index+0x5e/0x80 [20461.444159][ T7704] fib6_nh_init+0x3d8/0x15b0 [20461.444159][ T7704] ip6_route_info_create+0xf18/0x17d0 [20461.444159][ T7704] ip6_route_add+0x1c/0x140 [20461.444159][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20461.444159][ T7704] addrconf_add_dev+0xe2/0x170 [20461.444159][ T7704] inet6_addr_add+0x12f/0xa40 [20461.444159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20461.444159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20461.444159][ T7704] netlink_rcv_skb+0x130/0x360 [20461.444159][ T7704] netlink_unicast+0x449/0x710 [20461.444159][ T7704] netlink_sendmsg+0x723/0xbe0 [20461.444159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20461.444159][ T7704] ___sys_sendmsg+0xee/0x170 [20461.444159][ T7704] __sys_sendmsg+0xcd/0x170 [20461.444159][ T7704] do_syscall_64+0xc6/0x1e0 [20461.444159][ T7704] [20461.446434][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20461.446434][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20461.446434][ T7704] ipv6_find_idev+0x102/0x170 [20461.446434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20461.446434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20461.446434][ T7704] netlink_rcv_skb+0x130/0x360 [20461.446434][ T7704] netlink_unicast+0x449/0x710 [20461.446434][ T7704] netlink_sendmsg+0x723/0xbe0 [20461.446434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20461.446434][ T7704] ___sys_sendmsg+0xee/0x170 [20461.446434][ T7704] __sys_sendmsg+0xcd/0x170 [20461.446434][ T7704] do_syscall_64+0xc6/0x1e0 [20461.446434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20461.446434][ T7704] [20461.448220][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20461.448220][ T7704] neigh_parms_alloc+0x1e5/0x510 [20461.448220][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20461.448220][ T7704] ipv6_find_idev+0x102/0x170 [20461.448220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20461.448220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20461.448220][ T7704] netlink_rcv_skb+0x130/0x360 [20461.448220][ T7704] netlink_unicast+0x449/0x710 [20461.448220][ T7704] netlink_sendmsg+0x723/0xbe0 [20461.448220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20461.448220][ T7704] ___sys_sendmsg+0xee/0x170 [20461.448220][ T7704] __sys_sendmsg+0xcd/0x170 [20461.448220][ T7704] do_syscall_64+0xc6/0x1e0 [20461.448220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20461.448220][ T7704] [20471.686943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20471.687454][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20471.687454][ T7704] netdev_get_by_index+0x5e/0x80 [20471.687454][ T7704] fib6_nh_init+0x3d8/0x15b0 [20471.687454][ T7704] ip6_route_info_create+0xf18/0x17d0 [20471.687454][ T7704] ip6_route_add+0x1c/0x140 [20471.687454][ T7704] addrconf_prefix_route+0x2a6/0x430 [20471.687454][ T7704] inet6_addr_add+0x4f8/0xa40 [20471.687454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20471.687454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20471.687454][ T7704] netlink_rcv_skb+0x130/0x360 [20471.687454][ T7704] netlink_unicast+0x449/0x710 [20471.687454][ T7704] netlink_sendmsg+0x723/0xbe0 [20471.687454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20471.687454][ T7704] ___sys_sendmsg+0xee/0x170 [20471.687454][ T7704] __sys_sendmsg+0xcd/0x170 [20471.687454][ T7704] do_syscall_64+0xc6/0x1e0 [20471.687454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20471.687454][ T7704] [20471.689782][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20471.689782][ T7704] netdev_get_by_index+0x5e/0x80 [20471.689782][ T7704] fib6_nh_init+0x3d8/0x15b0 [20471.689782][ T7704] ip6_route_info_create+0xf18/0x17d0 [20471.689782][ T7704] addrconf_f6i_alloc+0x315/0x560 [20471.689782][ T7704] ipv6_add_addr+0x411/0x2000 [20471.689782][ T7704] inet6_addr_add+0x30e/0xa40 [20471.689782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20471.689782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20471.689782][ T7704] netlink_rcv_skb+0x130/0x360 [20471.689782][ T7704] netlink_unicast+0x449/0x710 [20471.689782][ T7704] netlink_sendmsg+0x723/0xbe0 [20471.689782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20471.689782][ T7704] ___sys_sendmsg+0xee/0x170 [20471.689782][ T7704] __sys_sendmsg+0xcd/0x170 [20471.689782][ T7704] do_syscall_64+0xc6/0x1e0 [20471.689782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20471.689782][ T7704] [20471.692080][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20471.692080][ T7704] netdev_get_by_index+0x5e/0x80 [20471.692080][ T7704] fib6_nh_init+0x3d8/0x15b0 [20471.692080][ T7704] ip6_route_info_create+0xf18/0x17d0 [20471.692080][ T7704] ip6_route_add+0x1c/0x140 [20471.692080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20471.692080][ T7704] addrconf_add_dev+0xe2/0x170 [20471.692080][ T7704] inet6_addr_add+0x12f/0xa40 [20471.692080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20471.692080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20471.692080][ T7704] netlink_rcv_skb+0x130/0x360 [20471.692080][ T7704] netlink_unicast+0x449/0x710 [20471.692080][ T7704] netlink_sendmsg+0x723/0xbe0 [20471.692080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20471.692080][ T7704] ___sys_sendmsg+0xee/0x170 [20471.692080][ T7704] __sys_sendmsg+0xcd/0x170 [20471.692080][ T7704] do_syscall_64+0xc6/0x1e0 [20471.692080][ T7704] [20471.694341][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20471.694341][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20471.694341][ T7704] ipv6_find_idev+0x102/0x170 [20471.694341][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20471.694341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20471.694341][ T7704] netlink_rcv_skb+0x130/0x360 [20471.694341][ T7704] netlink_unicast+0x449/0x710 [20471.694341][ T7704] netlink_sendmsg+0x723/0xbe0 [20471.694341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20471.694341][ T7704] ___sys_sendmsg+0xee/0x170 [20471.694341][ T7704] __sys_sendmsg+0xcd/0x170 [20471.694341][ T7704] do_syscall_64+0xc6/0x1e0 [20471.694341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20471.694341][ T7704] [20471.696116][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20471.696116][ T7704] neigh_parms_alloc+0x1e5/0x510 [20471.696116][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20471.696116][ T7704] ipv6_find_idev+0x102/0x170 [20471.696116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20471.696116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20471.696116][ T7704] netlink_rcv_skb+0x130/0x360 [20471.696116][ T7704] netlink_unicast+0x449/0x710 [20471.696116][ T7704] netlink_sendmsg+0x723/0xbe0 [20471.696116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20471.696116][ T7704] ___sys_sendmsg+0xee/0x170 [20471.696116][ T7704] __sys_sendmsg+0xcd/0x170 [20471.696116][ T7704] do_syscall_64+0xc6/0x1e0 [20471.696116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20471.696116][ T7704] [20481.798940][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20481.799443][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20481.799443][ T7704] netdev_get_by_index+0x5e/0x80 [20481.799443][ T7704] fib6_nh_init+0x3d8/0x15b0 [20481.799443][ T7704] ip6_route_info_create+0xf18/0x17d0 [20481.799443][ T7704] ip6_route_add+0x1c/0x140 [20481.799443][ T7704] addrconf_prefix_route+0x2a6/0x430 [20481.799443][ T7704] inet6_addr_add+0x4f8/0xa40 [20481.799443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20481.799443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20481.799443][ T7704] netlink_rcv_skb+0x130/0x360 [20481.799443][ T7704] netlink_unicast+0x449/0x710 [20481.799443][ T7704] netlink_sendmsg+0x723/0xbe0 [20481.799443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20481.799443][ T7704] ___sys_sendmsg+0xee/0x170 [20481.799443][ T7704] __sys_sendmsg+0xcd/0x170 [20481.799443][ T7704] do_syscall_64+0xc6/0x1e0 [20481.799443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20481.799443][ T7704] [20481.801768][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20481.801768][ T7704] netdev_get_by_index+0x5e/0x80 [20481.801768][ T7704] fib6_nh_init+0x3d8/0x15b0 [20481.801768][ T7704] ip6_route_info_create+0xf18/0x17d0 [20481.801768][ T7704] addrconf_f6i_alloc+0x315/0x560 [20481.801768][ T7704] ipv6_add_addr+0x411/0x2000 [20481.801768][ T7704] inet6_addr_add+0x30e/0xa40 [20481.801768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20481.801768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20481.801768][ T7704] netlink_rcv_skb+0x130/0x360 [20481.801768][ T7704] netlink_unicast+0x449/0x710 [20481.801768][ T7704] netlink_sendmsg+0x723/0xbe0 [20481.801768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20481.801768][ T7704] ___sys_sendmsg+0xee/0x170 [20481.801768][ T7704] __sys_sendmsg+0xcd/0x170 [20481.801768][ T7704] do_syscall_64+0xc6/0x1e0 [20481.801768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20481.801768][ T7704] [20481.804073][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20481.804073][ T7704] netdev_get_by_index+0x5e/0x80 [20481.804073][ T7704] fib6_nh_init+0x3d8/0x15b0 [20481.804073][ T7704] ip6_route_info_create+0xf18/0x17d0 [20481.804073][ T7704] ip6_route_add+0x1c/0x140 [20481.804073][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20481.804073][ T7704] addrconf_add_dev+0xe2/0x170 [20481.804073][ T7704] inet6_addr_add+0x12f/0xa40 [20481.804073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20481.804073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20481.804073][ T7704] netlink_rcv_skb+0x130/0x360 [20481.804073][ T7704] netlink_unicast+0x449/0x710 [20481.804073][ T7704] netlink_sendmsg+0x723/0xbe0 [20481.804073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20481.804073][ T7704] ___sys_sendmsg+0xee/0x170 [20481.804073][ T7704] __sys_sendmsg+0xcd/0x170 [20481.804073][ T7704] do_syscall_64+0xc6/0x1e0 [20481.804073][ T7704] [20481.806336][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20481.806336][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20481.806336][ T7704] ipv6_find_idev+0x102/0x170 [20481.806336][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20481.806336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20481.806336][ T7704] netlink_rcv_skb+0x130/0x360 [20481.806336][ T7704] netlink_unicast+0x449/0x710 [20481.806336][ T7704] netlink_sendmsg+0x723/0xbe0 [20481.806336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20481.806336][ T7704] ___sys_sendmsg+0xee/0x170 [20481.806336][ T7704] __sys_sendmsg+0xcd/0x170 [20481.806336][ T7704] do_syscall_64+0xc6/0x1e0 [20481.806336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20481.806336][ T7704] [20481.808108][ T7704] ref_tracker: veth0.20@ffff8880060e45d0 has 1/5 users at [20481.808108][ T7704] neigh_parms_alloc+0x1e5/0x510 [20481.808108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20481.808108][ T7704] ipv6_find_idev+0x102/0x170 [20481.808108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20481.808108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20481.808108][ T7704] netlink_rcv_skb+0x130/0x360 [20481.808108][ T7704] netlink_unicast+0x449/0x710 [20481.808108][ T7704] netlink_sendmsg+0x723/0xbe0 [20481.808108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20481.808108][ T7704] ___sys_sendmsg+0xee/0x170 [20481.808108][ T7704] __sys_sendmsg+0xcd/0x170 [20481.808108][ T7704] do_syscall_64+0xc6/0x1e0 [20481.808108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20481.808108][ T7704] HARD STOP (10000) WAIT TIMEOUT stderr